session-ios/Signal/src/ViewControllers/ConversationView/ConversationViewController.m
Matthew Chen a98c82645c Start work on typing indicators.
* Update proto schema to reflect typing indicators.
* Sketch out OWSTypingIndicatorMessage.
* Add "online" to the service message params.
* Sketch out logic to send typing indicator messages.
* Sketch out OWSTypingIndicators class.
2018-10-31 12:11:29 -04:00

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//
// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
//
#import "ConversationViewController.h"
#import "AppDelegate.h"
#import "BlockListUIUtils.h"
#import "BlockListViewController.h"
#import "ContactsViewHelper.h"
#import "ConversationCollectionView.h"
#import "ConversationInputTextView.h"
#import "ConversationInputToolbar.h"
#import "ConversationScrollButton.h"
#import "ConversationViewCell.h"
#import "ConversationViewItem.h"
#import "ConversationViewLayout.h"
#import "DateUtil.h"
#import "DebugUITableViewController.h"
#import "FingerprintViewController.h"
#import "NSAttributedString+OWS.h"
#import "NewGroupViewController.h"
#import "OWSAudioPlayer.h"
#import "OWSContactOffersCell.h"
#import "OWSConversationSettingsViewController.h"
#import "OWSConversationSettingsViewDelegate.h"
#import "OWSDisappearingMessagesJob.h"
#import "OWSMath.h"
#import "OWSMessageCell.h"
#import "OWSSystemMessageCell.h"
#import "Signal-Swift.h"
#import "SignalKeyingStorage.h"
#import "TSAttachmentPointer.h"
#import "TSCall.h"
#import "TSContactThread.h"
#import "TSDatabaseView.h"
#import "TSErrorMessage.h"
#import "TSGroupThread.h"
#import "TSIncomingMessage.h"
#import "TSInfoMessage.h"
#import "TSInvalidIdentityKeyErrorMessage.h"
#import "UIFont+OWS.h"
#import "UIViewController+Permissions.h"
#import "ViewControllerUtils.h"
#import <AVFoundation/AVFoundation.h>
#import <AssetsLibrary/AssetsLibrary.h>
#import <ContactsUI/CNContactViewController.h>
#import <MobileCoreServices/UTCoreTypes.h>
#import <PromiseKit/AnyPromise.h>
#import <SignalCoreKit/NSDate+OWS.h>
#import <SignalCoreKit/Threading.h>
#import <SignalMessaging/Environment.h>
#import <SignalMessaging/NSString+OWS.h>
#import <SignalMessaging/OWSContactOffersInteraction.h>
#import <SignalMessaging/OWSContactsManager.h>
#import <SignalMessaging/OWSFormat.h>
#import <SignalMessaging/OWSNavigationController.h>
#import <SignalMessaging/OWSUnreadIndicator.h>
#import <SignalMessaging/OWSUserProfile.h>
#import <SignalMessaging/SignalMessaging-Swift.h>
#import <SignalMessaging/ThreadUtil.h>
#import <SignalMessaging/UIUtil.h>
#import <SignalMessaging/UIViewController+OWS.h>
#import <SignalServiceKit/Contact.h>
#import <SignalServiceKit/ContactsUpdater.h>
#import <SignalServiceKit/MimeTypeUtil.h>
#import <SignalServiceKit/NSTimer+OWS.h>
#import <SignalServiceKit/OWSAddToContactsOfferMessage.h>
#import <SignalServiceKit/OWSAddToProfileWhitelistOfferMessage.h>
#import <SignalServiceKit/OWSAttachmentsProcessor.h>
#import <SignalServiceKit/OWSBlockingManager.h>
#import <SignalServiceKit/OWSDisappearingMessagesConfiguration.h>
#import <SignalServiceKit/OWSIdentityManager.h>
#import <SignalServiceKit/OWSMessageManager.h>
#import <SignalServiceKit/OWSMessageSender.h>
#import <SignalServiceKit/OWSMessageUtils.h>
#import <SignalServiceKit/OWSPrimaryStorage.h>
#import <SignalServiceKit/OWSReadReceiptManager.h>
#import <SignalServiceKit/OWSVerificationStateChangeMessage.h>
#import <SignalServiceKit/SignalServiceKit-Swift.h>
#import <SignalServiceKit/TSAccountManager.h>
#import <SignalServiceKit/TSGroupModel.h>
#import <SignalServiceKit/TSInvalidIdentityKeyReceivingErrorMessage.h>
#import <SignalServiceKit/TSNetworkManager.h>
#import <SignalServiceKit/TSQuotedMessage.h>
#import <YapDatabase/YapDatabase.h>
#import <YapDatabase/YapDatabaseAutoView.h>
#import <YapDatabase/YapDatabaseViewChange.h>
#import <YapDatabase/YapDatabaseViewConnection.h>
@import Photos;
NS_ASSUME_NONNULL_BEGIN
// Always load up to n messages when user arrives.
//
// The smaller this number is, the faster the conversation can display.
// To test, shrink you accessability font as much as possible, then count how many 1-line system info messages (our shortest cells) can
// fit on screen at a time on an iPhoneX
//
// PERF: we could do less messages on shorter (older, slower) devices
// PERF: we could cache the cell height, since some messages will be much taller.
static const int kYapDatabasePageSize = 25;
// Never show more than n messages in conversation view when user arrives.
static const int kConversationInitialMaxRangeSize = 300;
// Never show more than n messages in conversation view at a time.
static const int kYapDatabaseRangeMaxLength = 25000;
static const int kYapDatabaseRangeMinLength = 0;
static const CGFloat kLoadMoreHeaderHeight = 60.f;
static const CGFloat kToastInset = 10;
typedef enum : NSUInteger {
kMediaTypePicture,
kMediaTypeVideo,
} kMediaTypes;
#pragma mark -
@interface ConversationViewController () <AttachmentApprovalViewControllerDelegate,
ContactShareApprovalViewControllerDelegate,
AVAudioPlayerDelegate,
CNContactViewControllerDelegate,
ContactEditingDelegate,
ContactsPickerDelegate,
ContactShareViewHelperDelegate,
ContactsViewHelperDelegate,
DisappearingTimerConfigurationViewDelegate,
OWSConversationSettingsViewDelegate,
ConversationHeaderViewDelegate,
ConversationViewLayoutDelegate,
ConversationViewCellDelegate,
ConversationInputTextViewDelegate,
MessageActionsDelegate,
MenuActionsViewControllerDelegate,
OWSMessageBubbleViewDelegate,
UICollectionViewDelegate,
UICollectionViewDataSource,
UIDocumentMenuDelegate,
UIDocumentPickerDelegate,
UIImagePickerControllerDelegate,
UINavigationControllerDelegate,
UITextViewDelegate,
ConversationCollectionViewDelegate,
ConversationInputToolbarDelegate,
GifPickerViewControllerDelegate>
@property (nonatomic) TSThread *thread;
@property (nonatomic, readonly) YapDatabaseConnection *editingDatabaseConnection;
@property (nonatomic, readonly) OWSAudioActivity *recordVoiceNoteAudioActivity;
@property (nonatomic, readonly) NSTimeInterval viewControllerCreatedAt;
// These two properties must be updated in lockstep.
//
// * The first (required) step is to update uiDatabaseConnection using beginLongLivedReadTransaction.
// * The second (required) step is to update messageMappings.
// * The third (optional) step is to update the messageMappings range using
// updateMessageMappingRangeOptions.
// * The fourth (optional) step is to update the view items using reloadViewItems.
// * The steps must be done in strict order.
// * If we do any of the steps, we must do all of the required steps.
// * We can't use messageMappings or viewItems after the first step until we've
// done the last step; i.e.. we can't do any layout, since that uses the view
// items which haven't been updated yet.
// * If the first and/or second steps changes the set of messages
// their ordering and/or their state, we must do the third and fourth steps.
// * If we do the third step, we must call resetContentAndLayout afterward.
@property (nonatomic, readonly) YapDatabaseConnection *uiDatabaseConnection;
@property (nonatomic) YapDatabaseViewMappings *messageMappings;
@property (nonatomic, readonly) ConversationInputToolbar *inputToolbar;
@property (nonatomic, readonly) ConversationCollectionView *collectionView;
@property (nonatomic, readonly) ConversationViewLayout *layout;
@property (nonatomic, readonly) ConversationStyle *conversationStyle;
@property (nonatomic) NSArray<id<ConversationViewItem>> *viewItems;
@property (nonatomic) NSMutableDictionary<NSString *, id<ConversationViewItem>> *viewItemCache;
@property (nonatomic, nullable) AVAudioRecorder *audioRecorder;
@property (nonatomic, nullable) OWSAudioPlayer *audioAttachmentPlayer;
@property (nonatomic, nullable) NSUUID *voiceMessageUUID;
@property (nonatomic, nullable) NSTimer *readTimer;
@property (nonatomic) NSCache *cellMediaCache;
@property (nonatomic) ConversationHeaderView *headerView;
@property (nonatomic, nullable) UIView *bannerView;
@property (nonatomic, nullable) OWSDisappearingMessagesConfiguration *disappearingMessagesConfiguration;
// Back Button Unread Count
@property (nonatomic, readonly) UIView *backButtonUnreadCountView;
@property (nonatomic, readonly) UILabel *backButtonUnreadCountLabel;
@property (nonatomic, readonly) NSUInteger backButtonUnreadCount;
@property (nonatomic) NSUInteger lastRangeLength;
@property (nonatomic) ConversationViewAction actionOnOpen;
@property (nonatomic, nullable) NSString *focusMessageIdOnOpen;
@property (nonatomic) BOOL peek;
@property (nonatomic, readonly) ContactsViewHelper *contactsViewHelper;
@property (nonatomic) BOOL userHasScrolled;
@property (nonatomic, nullable) NSDate *lastMessageSentDate;
@property (nonatomic, nullable) ThreadDynamicInteractions *dynamicInteractions;
@property (nonatomic) BOOL hasClearedUnreadMessagesIndicator;
@property (nonatomic) BOOL showLoadMoreHeader;
@property (nonatomic) UILabel *loadMoreHeader;
@property (nonatomic) uint64_t lastVisibleTimestamp;
@property (nonatomic) BOOL isUserScrolling;
@property (nonatomic) NSLayoutConstraint *scrollDownButtonButtomConstraint;
@property (nonatomic) ConversationScrollButton *scrollDownButton;
#ifdef DEBUG
@property (nonatomic) ConversationScrollButton *scrollUpButton;
#endif
@property (nonatomic) BOOL isViewCompletelyAppeared;
@property (nonatomic) BOOL isViewVisible;
@property (nonatomic) BOOL shouldObserveDBModifications;
@property (nonatomic) BOOL viewHasEverAppeared;
@property (nonatomic) BOOL hasUnreadMessages;
@property (nonatomic) BOOL isPickingMediaAsDocument;
@property (nonatomic, nullable) NSNumber *previousLastTimestamp;
@property (nonatomic, nullable) NSNumber *viewHorizonTimestamp;
@property (nonatomic) ContactShareViewHelper *contactShareViewHelper;
@property (nonatomic) NSTimer *reloadTimer;
@property (nonatomic, nullable) NSDate *lastReloadDate;
@property (nonatomic, nullable) NSDate *collapseCutoffDate;
@end
#pragma mark -
@implementation ConversationViewController
- (nullable instancetype)initWithCoder:(NSCoder *)aDecoder
{
OWSFailDebug(@"Do not instantiate this view from coder");
self = [super initWithCoder:aDecoder];
if (!self) {
return self;
}
[self commonInit];
return self;
}
- (instancetype)initWithNibName:(nullable NSString *)nibNameOrNil bundle:(nullable NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (!self) {
return self;
}
[self commonInit];
return self;
}
- (void)commonInit
{
_viewControllerCreatedAt = CACurrentMediaTime();
_contactsViewHelper = [[ContactsViewHelper alloc] initWithDelegate:self];
_contactShareViewHelper = [[ContactShareViewHelper alloc] initWithContactsManager:self.contactsManager];
_contactShareViewHelper.delegate = self;
NSString *audioActivityDescription = [NSString stringWithFormat:@"%@ voice note", self.logTag];
_recordVoiceNoteAudioActivity = [[OWSAudioActivity alloc] initWithAudioDescription:audioActivityDescription behavior:OWSAudioBehavior_PlayAndRecord];
}
#pragma mark - Dependencies
- (SSKMessageSenderJobQueue *)messageSenderJobQueue
{
return SSKEnvironment.shared.messageSenderJobQueue;
}
- (OWSSessionResetJobQueue *)sessionResetJobQueue
{
return AppEnvironment.shared.sessionResetJobQueue;
}
- (OWSAudioSession *)audioSession
{
return Environment.shared.audioSession;
}
- (OWSMessageSender *)messageSender
{
return SSKEnvironment.shared.messageSender;
}
- (OWSContactsManager *)contactsManager
{
return Environment.shared.contactsManager;
}
- (ContactsUpdater *)contactsUpdater
{
return SSKEnvironment.shared.contactsUpdater;
}
- (OWSBlockingManager *)blockingManager
{
return [OWSBlockingManager sharedManager];
}
- (OWSPrimaryStorage *)primaryStorage
{
return SSKEnvironment.shared.primaryStorage;
}
- (TSNetworkManager *)networkManager
{
return SSKEnvironment.shared.networkManager;
}
- (OutboundCallInitiator *)outboundCallInitiator
{
return AppEnvironment.shared.outboundCallInitiator;
}
- (id<OWSTypingIndicators>)typingIndicators
{
return SSKEnvironment.shared.typingIndicators;
}
#pragma mark -
- (void)addNotificationListeners
{
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(blockListDidChange:)
name:kNSNotificationName_BlockListDidChange
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(windowManagerCallDidChange:)
name:OWSWindowManagerCallDidChangeNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(identityStateDidChange:)
name:kNSNotificationName_IdentityStateDidChange
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(didChangePreferredContentSize:)
name:UIContentSizeCategoryDidChangeNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(uiDatabaseDidUpdateExternally:)
name:OWSUIDatabaseConnectionDidUpdateExternallyNotification
object:OWSPrimaryStorage.sharedManager.dbNotificationObject];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(uiDatabaseWillUpdate:)
name:OWSUIDatabaseConnectionWillUpdateNotification
object:OWSPrimaryStorage.sharedManager.dbNotificationObject];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(uiDatabaseDidUpdate:)
name:OWSUIDatabaseConnectionDidUpdateNotification
object:OWSPrimaryStorage.sharedManager.dbNotificationObject];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationWillEnterForeground:)
name:OWSApplicationWillEnterForegroundNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationDidEnterBackground:)
name:OWSApplicationDidEnterBackgroundNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationWillResignActive:)
name:OWSApplicationWillResignActiveNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationDidBecomeActive:)
name:OWSApplicationDidBecomeActiveNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(cancelReadTimer)
name:OWSApplicationDidEnterBackgroundNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(otherUsersProfileDidChange:)
name:kNSNotificationName_OtherUsersProfileDidChange
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(profileWhitelistDidChange:)
name:kNSNotificationName_ProfileWhitelistDidChange
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(signalAccountsDidChange:)
name:OWSContactsManagerSignalAccountsDidChangeNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardWillChangeFrame:)
name:UIKeyboardWillChangeFrameNotification
object:nil];
}
- (BOOL)isGroupConversation
{
OWSAssertDebug(self.thread);
return self.thread.isGroupThread;
}
- (void)signalAccountsDidChange:(NSNotification *)notification
{
OWSAssertIsOnMainThread();
[self ensureDynamicInteractions];
}
- (void)otherUsersProfileDidChange:(NSNotification *)notification
{
OWSAssertIsOnMainThread();
NSString *recipientId = notification.userInfo[kNSNotificationKey_ProfileRecipientId];
OWSAssertDebug(recipientId.length > 0);
if (recipientId.length > 0 && [self.thread.recipientIdentifiers containsObject:recipientId]) {
if ([self.thread isKindOfClass:[TSContactThread class]]) {
// update title with profile name
[self updateNavigationTitle];
}
if (self.isGroupConversation) {
// Reload all cells if this is a group conversation,
// since we may need to update the sender names on the messages.
[self resetContentAndLayout];
}
}
}
- (void)profileWhitelistDidChange:(NSNotification *)notification
{
OWSAssertIsOnMainThread();
// If profile whitelist just changed, we may want to hide a profile whitelist offer.
NSString *_Nullable recipientId = notification.userInfo[kNSNotificationKey_ProfileRecipientId];
NSData *_Nullable groupId = notification.userInfo[kNSNotificationKey_ProfileGroupId];
if (recipientId.length > 0 && [self.thread.recipientIdentifiers containsObject:recipientId]) {
[self ensureDynamicInteractions];
} else if (groupId.length > 0 && self.thread.isGroupThread) {
TSGroupThread *groupThread = (TSGroupThread *)self.thread;
if ([groupThread.groupModel.groupId isEqualToData:groupId]) {
[self ensureDynamicInteractions];
[self ensureBannerState];
}
}
}
- (void)blockListDidChange:(id)notification
{
OWSAssertIsOnMainThread();
[self ensureBannerState];
}
- (void)identityStateDidChange:(NSNotification *)notification
{
OWSAssertIsOnMainThread();
[self updateNavigationBarSubtitleLabel];
[self ensureBannerState];
}
- (void)peekSetup
{
_peek = YES;
self.actionOnOpen = ConversationViewActionNone;
}
- (void)popped
{
_peek = NO;
[self hideInputIfNeeded];
}
- (void)configureForThread:(TSThread *)thread
action:(ConversationViewAction)action
focusMessageId:(nullable NSString *)focusMessageId
{
OWSAssertDebug(thread);
OWSLogInfo(@"configureForThread.");
_thread = thread;
self.actionOnOpen = action;
self.focusMessageIdOnOpen = focusMessageId;
_cellMediaCache = [NSCache new];
// Cache the cell media for ~24 cells.
self.cellMediaCache.countLimit = 24;
_conversationStyle = [[ConversationStyle alloc] initWithThread:thread];
// We need to update the "unread indicator" _before_ we determine the initial range
// size, since it depends on where the unread indicator is placed.
self.lastRangeLength = 0;
[self ensureDynamicInteractions];
[[OWSPrimaryStorage sharedManager] updateUIDatabaseConnectionToLatest];
[self createNewMessageMappings];
if (![self reloadViewItems]) {
OWSFailDebug(@"failed to reload view items in configureForThread.");
}
[self updateShouldObserveDBModifications];
self.reloadTimer = [NSTimer weakScheduledTimerWithTimeInterval:1.f
target:self
selector:@selector(reloadTimerDidFire)
userInfo:nil
repeats:YES];
}
- (void)dealloc
{
[self.reloadTimer invalidate];
}
- (void)reloadTimerDidFire
{
OWSAssertIsOnMainThread();
if (self.isUserScrolling || !self.isViewCompletelyAppeared || !self.isViewVisible
|| !self.shouldObserveDBModifications || !self.viewHasEverAppeared) {
return;
}
NSDate *now = [NSDate new];
if (self.lastReloadDate) {
NSTimeInterval timeSinceLastReload = [now timeIntervalSinceDate:self.lastReloadDate];
const NSTimeInterval kReloadFrequency = 60.f;
if (timeSinceLastReload < kReloadFrequency) {
return;
}
}
OWSLogVerbose(@"reloading conversation view contents.");
[self resetContentAndLayout];
}
- (BOOL)userLeftGroup
{
if (![_thread isKindOfClass:[TSGroupThread class]]) {
return NO;
}
TSGroupThread *groupThread = (TSGroupThread *)self.thread;
return ![groupThread.groupModel.groupMemberIds containsObject:[TSAccountManager localNumber]];
}
- (void)hideInputIfNeeded
{
if (_peek) {
self.inputToolbar.hidden = YES;
[self dismissKeyBoard];
return;
}
if (self.userLeftGroup) {
self.inputToolbar.hidden = YES; // user has requested they leave the group. further sends disallowed
[self dismissKeyBoard];
} else {
self.inputToolbar.hidden = NO;
}
}
- (void)viewDidLoad
{
[super viewDidLoad];
[self createContents];
[self registerCellClasses];
[self createConversationScrollButtons];
[self createHeaderViews];
if (@available(iOS 11, *)) {
// We use the default back button from home view, which animates nicely with interactive transitions like the
// interactive pop gesture and the "slide left" for info.
} else {
// On iOS9/10 the default back button is too wide, so we use a custom back button. This doesn't animate nicely
// with interactive transitions, but has the appropriate width.
[self createBackButton];
}
[self addNotificationListeners];
[self loadDraftInCompose];
[self applyTheme];
}
- (void)createContents
{
OWSAssertDebug(self.conversationStyle);
_layout = [[ConversationViewLayout alloc] initWithConversationStyle:self.conversationStyle];
self.conversationStyle.viewWidth = self.view.width;
self.layout.delegate = self;
// We use the root view bounds as the initial frame for the collection
// view so that its contents can be laid out immediately.
_collectionView =
[[ConversationCollectionView alloc] initWithFrame:self.view.bounds collectionViewLayout:self.layout];
self.collectionView.layoutDelegate = self;
self.collectionView.delegate = self;
self.collectionView.dataSource = self;
self.collectionView.showsVerticalScrollIndicator = YES;
self.collectionView.showsHorizontalScrollIndicator = NO;
self.collectionView.keyboardDismissMode = UIScrollViewKeyboardDismissModeInteractive;
[self.view addSubview:self.collectionView];
[self.collectionView autoPinEdgesToSuperviewEdges];
[self.collectionView applyScrollViewInsetsFix];
_inputToolbar = [[ConversationInputToolbar alloc] initWithConversationStyle:self.conversationStyle];
self.inputToolbar.inputToolbarDelegate = self;
self.inputToolbar.inputTextViewDelegate = self;
self.loadMoreHeader = [UILabel new];
self.loadMoreHeader.text = NSLocalizedString(@"CONVERSATION_VIEW_LOADING_MORE_MESSAGES",
@"Indicates that the app is loading more messages in this conversation.");
self.loadMoreHeader.textColor = [UIColor ows_materialBlueColor];
self.loadMoreHeader.textAlignment = NSTextAlignmentCenter;
self.loadMoreHeader.font = [UIFont ows_mediumFontWithSize:16.f];
[self.collectionView addSubview:self.loadMoreHeader];
[self.loadMoreHeader autoPinWidthToWidthOfView:self.view];
[self.loadMoreHeader autoPinEdgeToSuperviewEdge:ALEdgeTop];
[self.loadMoreHeader autoSetDimension:ALDimensionHeight toSize:kLoadMoreHeaderHeight];
}
- (BOOL)becomeFirstResponder
{
OWSLogDebug(@"");
return [super becomeFirstResponder];
}
- (BOOL)resignFirstResponder
{
OWSLogDebug(@"");
return [super resignFirstResponder];
}
- (BOOL)canBecomeFirstResponder
{
return YES;
}
- (nullable UIView *)inputAccessoryView
{
return self.inputToolbar;
}
- (void)registerCellClasses
{
[self.collectionView registerClass:[OWSSystemMessageCell class]
forCellWithReuseIdentifier:[OWSSystemMessageCell cellReuseIdentifier]];
[self.collectionView registerClass:[OWSContactOffersCell class]
forCellWithReuseIdentifier:[OWSContactOffersCell cellReuseIdentifier]];
[self.collectionView registerClass:[OWSMessageCell class]
forCellWithReuseIdentifier:[OWSMessageCell cellReuseIdentifier]];
}
- (void)applicationWillEnterForeground:(NSNotification *)notification
{
[self startReadTimer];
[self updateCellsVisible];
}
- (void)applicationDidEnterBackground:(NSNotification *)notification
{
[self updateCellsVisible];
if (self.hasClearedUnreadMessagesIndicator) {
self.hasClearedUnreadMessagesIndicator = NO;
[self.dynamicInteractions clearUnreadIndicatorState];
}
[self.cellMediaCache removeAllObjects];
}
- (void)applicationWillResignActive:(NSNotification *)notification
{
[self updateShouldObserveDBModifications];
[self cancelVoiceMemo];
self.isUserScrolling = NO;
[self saveDraft];
[self markVisibleMessagesAsRead];
[self.cellMediaCache removeAllObjects];
[self cancelReadTimer];
[self dismissPresentedViewControllerIfNecessary];
}
- (void)applicationDidBecomeActive:(NSNotification *)notification
{
[self updateShouldObserveDBModifications];
[self startReadTimer];
}
- (void)dismissPresentedViewControllerIfNecessary
{
UIViewController *_Nullable presentedViewController = self.presentedViewController;
if (!presentedViewController) {
OWSLogDebug(@"presentedViewController was nil");
return;
}
if ([presentedViewController isKindOfClass:[UIAlertController class]]) {
OWSLogDebug(@"dismissing presentedViewController: %@", presentedViewController);
[self dismissViewControllerAnimated:NO completion:nil];
return;
}
if ([presentedViewController isKindOfClass:[UIImagePickerController class]]) {
OWSLogDebug(@"dismissing presentedViewController: %@", presentedViewController);
[self dismissViewControllerAnimated:NO completion:nil];
return;
}
}
- (void)viewWillAppear:(BOOL)animated
{
OWSLogDebug(@"viewWillAppear");
[self ensureBannerState];
[super viewWillAppear:animated];
// We need to recheck on every appearance, since the user may have left the group in the settings VC,
// or on another device.
[self hideInputIfNeeded];
self.isViewVisible = YES;
// We should have already requested contact access at this point, so this should be a no-op
// unless it ever becomes possible to load this VC without going via the HomeViewController.
[self.contactsManager requestSystemContactsOnce];
[self updateDisappearingMessagesConfiguration];
[self updateBarButtonItems];
[self updateNavigationTitle];
[self resetContentAndLayout];
// We want to set the initial scroll state the first time we enter the view.
if (!self.viewHasEverAppeared) {
[self scrollToDefaultPosition];
}
[self updateLastVisibleTimestamp];
if (!self.viewHasEverAppeared) {
NSTimeInterval appearenceDuration = CACurrentMediaTime() - self.viewControllerCreatedAt;
OWSLogVerbose(@"First viewWillAppear took: %.2fms", appearenceDuration * 1000);
}
}
- (NSIndexPath *_Nullable)indexPathOfUnreadMessagesIndicator
{
NSInteger row = 0;
for (id<ConversationViewItem> viewItem in self.viewItems) {
if (viewItem.unreadIndicator) {
return [NSIndexPath indexPathForRow:row inSection:0];
}
row++;
}
return nil;
}
- (NSIndexPath *_Nullable)indexPathOfMessageOnOpen
{
OWSAssertDebug(self.focusMessageIdOnOpen);
OWSAssertDebug(self.dynamicInteractions.focusMessagePosition);
if (!self.dynamicInteractions.focusMessagePosition) {
// This might happen if the focus message has disappeared
// before this view could appear.
OWSFailDebug(@"focus message has unknown position.");
return nil;
}
NSUInteger focusMessagePosition = self.dynamicInteractions.focusMessagePosition.unsignedIntegerValue;
if (focusMessagePosition >= self.viewItems.count) {
// This might happen if the focus message is outside the maximum
// valid load window size for this view.
OWSFailDebug(@"focus message has invalid position.");
return nil;
}
NSInteger row = (NSInteger)((self.viewItems.count - 1) - focusMessagePosition);
return [NSIndexPath indexPathForRow:row inSection:0];
}
- (void)scrollToDefaultPosition
{
if (self.isUserScrolling) {
return;
}
NSIndexPath *_Nullable indexPath = nil;
if (self.focusMessageIdOnOpen) {
indexPath = [self indexPathOfMessageOnOpen];
}
if (!indexPath) {
indexPath = [self indexPathOfUnreadMessagesIndicator];
}
if (indexPath) {
if (indexPath.section == 0 && indexPath.row == 0) {
[self.collectionView setContentOffset:CGPointZero animated:NO];
} else {
[self.collectionView scrollToItemAtIndexPath:indexPath
atScrollPosition:UICollectionViewScrollPositionTop
animated:NO];
}
} else {
[self scrollToBottomAnimated:NO];
}
}
- (void)scrollToUnreadIndicatorAnimated
{
if (self.isUserScrolling) {
return;
}
NSIndexPath *_Nullable indexPath = [self indexPathOfUnreadMessagesIndicator];
if (indexPath) {
if (indexPath.section == 0 && indexPath.row == 0) {
[self.collectionView setContentOffset:CGPointZero animated:YES];
} else {
[self.collectionView scrollToItemAtIndexPath:indexPath
atScrollPosition:UICollectionViewScrollPositionTop
animated:YES];
}
}
}
- (void)resetContentAndLayout
{
// Avoid layout corrupt issues and out-of-date message subtitles.
self.lastReloadDate = [NSDate new];
self.collapseCutoffDate = [NSDate new];
if (![self reloadViewItems]) {
OWSFailDebug(@"failed to reload view items in resetContentAndLayout.");
}
[self.collectionView.collectionViewLayout invalidateLayout];
[self.collectionView reloadData];
}
- (void)setUserHasScrolled:(BOOL)userHasScrolled
{
_userHasScrolled = userHasScrolled;
[self ensureBannerState];
}
// Returns a collection of the group members who are "no longer verified".
- (NSArray<NSString *> *)noLongerVerifiedRecipientIds
{
NSMutableArray<NSString *> *result = [NSMutableArray new];
for (NSString *recipientId in self.thread.recipientIdentifiers) {
if ([[OWSIdentityManager sharedManager] verificationStateForRecipientId:recipientId]
== OWSVerificationStateNoLongerVerified) {
[result addObject:recipientId];
}
}
return [result copy];
}
- (void)ensureBannerState
{
// This method should be called rarely, so it's simplest to discard and
// rebuild the indicator view every time.
[self.bannerView removeFromSuperview];
self.bannerView = nil;
if (self.userHasScrolled) {
return;
}
NSArray<NSString *> *noLongerVerifiedRecipientIds = [self noLongerVerifiedRecipientIds];
if (noLongerVerifiedRecipientIds.count > 0) {
NSString *message;
if (noLongerVerifiedRecipientIds.count > 1) {
message = NSLocalizedString(@"MESSAGES_VIEW_N_MEMBERS_NO_LONGER_VERIFIED",
@"Indicates that more than one member of this group conversation is no longer verified.");
} else {
NSString *recipientId = [noLongerVerifiedRecipientIds firstObject];
NSString *displayName = [self.contactsManager displayNameForPhoneIdentifier:recipientId];
NSString *format
= (self.isGroupConversation ? NSLocalizedString(@"MESSAGES_VIEW_1_MEMBER_NO_LONGER_VERIFIED_FORMAT",
@"Indicates that one member of this group conversation is no longer "
@"verified. Embeds {{user's name or phone number}}.")
: NSLocalizedString(@"MESSAGES_VIEW_CONTACT_NO_LONGER_VERIFIED_FORMAT",
@"Indicates that this 1:1 conversation is no longer verified. Embeds "
@"{{user's name or phone number}}."));
message = [NSString stringWithFormat:format, displayName];
}
[self createBannerWithTitle:message
bannerColor:[UIColor ows_destructiveRedColor]
tapSelector:@selector(noLongerVerifiedBannerViewWasTapped:)];
return;
}
NSString *blockStateMessage = nil;
if ([self isBlockedConversation]) {
if (self.isGroupConversation) {
blockStateMessage = NSLocalizedString(
@"MESSAGES_VIEW_GROUP_BLOCKED", @"Indicates that this group conversation has been blocked.");
} else {
blockStateMessage = NSLocalizedString(
@"MESSAGES_VIEW_CONTACT_BLOCKED", @"Indicates that this 1:1 conversation has been blocked.");
}
} else if (self.isGroupConversation) {
int blockedGroupMemberCount = [self blockedGroupMemberCount];
if (blockedGroupMemberCount == 1) {
blockStateMessage = NSLocalizedString(@"MESSAGES_VIEW_GROUP_1_MEMBER_BLOCKED",
@"Indicates that a single member of this group has been blocked.");
} else if (blockedGroupMemberCount > 1) {
blockStateMessage =
[NSString stringWithFormat:NSLocalizedString(@"MESSAGES_VIEW_GROUP_N_MEMBERS_BLOCKED_FORMAT",
@"Indicates that some members of this group has been blocked. Embeds "
@"{{the number of blocked users in this group}}."),
[OWSFormat formatInt:blockedGroupMemberCount]];
}
}
if (blockStateMessage) {
[self createBannerWithTitle:blockStateMessage
bannerColor:[UIColor ows_destructiveRedColor]
tapSelector:@selector(blockBannerViewWasTapped:)];
return;
}
if ([ThreadUtil shouldShowGroupProfileBannerInThread:self.thread blockingManager:self.blockingManager]) {
[self createBannerWithTitle:
NSLocalizedString(@"MESSAGES_VIEW_GROUP_PROFILE_WHITELIST_BANNER",
@"Text for banner in group conversation view that offers to share your profile with this group.")
bannerColor:[UIColor ows_reminderDarkYellowColor]
tapSelector:@selector(groupProfileWhitelistBannerWasTapped:)];
return;
}
}
- (void)createBannerWithTitle:(NSString *)title bannerColor:(UIColor *)bannerColor tapSelector:(SEL)tapSelector
{
OWSAssertDebug(title.length > 0);
OWSAssertDebug(bannerColor);
UIView *bannerView = [UIView containerView];
bannerView.backgroundColor = bannerColor;
bannerView.layer.cornerRadius = 2.5f;
// Use a shadow to "pop" the indicator above the other views.
bannerView.layer.shadowColor = [UIColor blackColor].CGColor;
bannerView.layer.shadowOffset = CGSizeMake(2, 3);
bannerView.layer.shadowRadius = 2.f;
bannerView.layer.shadowOpacity = 0.35f;
UILabel *label = [UILabel new];
label.font = [UIFont ows_mediumFontWithSize:14.f];
label.text = title;
label.textColor = [UIColor whiteColor];
label.numberOfLines = 0;
label.lineBreakMode = NSLineBreakByWordWrapping;
label.textAlignment = NSTextAlignmentCenter;
UIImage *closeIcon = [UIImage imageNamed:@"banner_close"];
UIImageView *closeButton = [[UIImageView alloc] initWithImage:closeIcon];
[bannerView addSubview:closeButton];
const CGFloat kBannerCloseButtonPadding = 8.f;
[closeButton autoPinEdgeToSuperviewEdge:ALEdgeTop withInset:kBannerCloseButtonPadding];
[closeButton autoPinTrailingToSuperviewMarginWithInset:kBannerCloseButtonPadding];
[closeButton autoSetDimension:ALDimensionWidth toSize:closeIcon.size.width];
[closeButton autoSetDimension:ALDimensionHeight toSize:closeIcon.size.height];
[bannerView addSubview:label];
[label autoPinEdgeToSuperviewEdge:ALEdgeTop withInset:5];
[label autoPinEdgeToSuperviewEdge:ALEdgeBottom withInset:5];
const CGFloat kBannerHPadding = 15.f;
[label autoPinLeadingToSuperviewMarginWithInset:kBannerHPadding];
const CGFloat kBannerHSpacing = 10.f;
[closeButton autoPinLeadingToTrailingEdgeOfView:label offset:kBannerHSpacing];
[bannerView addGestureRecognizer:[[UITapGestureRecognizer alloc] initWithTarget:self action:tapSelector]];
[self.view addSubview:bannerView];
[bannerView autoPinToTopLayoutGuideOfViewController:self withInset:10];
[bannerView autoHCenterInSuperview];
CGFloat labelDesiredWidth = [label sizeThatFits:CGSizeZero].width;
CGFloat bannerDesiredWidth
= (labelDesiredWidth + kBannerHPadding + kBannerHSpacing + closeIcon.size.width + kBannerCloseButtonPadding);
const CGFloat kMinBannerHMargin = 20.f;
if (bannerDesiredWidth + kMinBannerHMargin * 2.f >= self.view.width) {
[bannerView autoPinWidthToSuperviewWithMargin:kMinBannerHMargin];
}
[self.view layoutSubviews];
self.bannerView = bannerView;
}
- (void)blockBannerViewWasTapped:(UIGestureRecognizer *)sender
{
if (sender.state != UIGestureRecognizerStateRecognized) {
return;
}
if ([self isBlockedConversation]) {
// If this a blocked conversation, offer to unblock.
[self showUnblockConversationUI:nil];
} else if (self.isGroupConversation) {
// If this a group conversation with at least one blocked member,
// Show the block list view.
int blockedGroupMemberCount = [self blockedGroupMemberCount];
if (blockedGroupMemberCount > 0) {
BlockListViewController *vc = [[BlockListViewController alloc] init];
[self.navigationController pushViewController:vc animated:YES];
}
}
}
- (void)groupProfileWhitelistBannerWasTapped:(UIGestureRecognizer *)sender
{
if (sender.state != UIGestureRecognizerStateRecognized) {
return;
}
[self presentAddThreadToProfileWhitelistWithSuccess:^{
[self ensureBannerState];
}];
}
- (void)noLongerVerifiedBannerViewWasTapped:(UIGestureRecognizer *)sender
{
if (sender.state == UIGestureRecognizerStateRecognized) {
NSArray<NSString *> *noLongerVerifiedRecipientIds = [self noLongerVerifiedRecipientIds];
if (noLongerVerifiedRecipientIds.count < 1) {
return;
}
BOOL hasMultiple = noLongerVerifiedRecipientIds.count > 1;
UIAlertController *actionSheetController =
[UIAlertController alertControllerWithTitle:nil
message:nil
preferredStyle:UIAlertControllerStyleActionSheet];
__weak ConversationViewController *weakSelf = self;
UIAlertAction *verifyAction = [UIAlertAction
actionWithTitle:(hasMultiple ? NSLocalizedString(@"VERIFY_PRIVACY_MULTIPLE",
@"Label for button or row which allows users to verify the safety "
@"numbers of multiple users.")
: NSLocalizedString(@"VERIFY_PRIVACY",
@"Label for button or row which allows users to verify the safety "
@"number of another user."))
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
[weakSelf showNoLongerVerifiedUI];
}];
[actionSheetController addAction:verifyAction];
UIAlertAction *dismissAction = [UIAlertAction actionWithTitle:CommonStrings.dismissButton
style:UIAlertActionStyleCancel
handler:^(UIAlertAction *action) {
[weakSelf resetVerificationStateToDefault];
}];
[actionSheetController addAction:dismissAction];
[self dismissKeyBoard];
[self presentViewController:actionSheetController animated:YES completion:nil];
}
}
- (void)resetVerificationStateToDefault
{
OWSAssertIsOnMainThread();
NSArray<NSString *> *noLongerVerifiedRecipientIds = [self noLongerVerifiedRecipientIds];
for (NSString *recipientId in noLongerVerifiedRecipientIds) {
OWSAssertDebug(recipientId.length > 0);
OWSRecipientIdentity *_Nullable recipientIdentity =
[[OWSIdentityManager sharedManager] recipientIdentityForRecipientId:recipientId];
OWSAssertDebug(recipientIdentity);
NSData *identityKey = recipientIdentity.identityKey;
OWSAssertDebug(identityKey.length > 0);
if (identityKey.length < 1) {
continue;
}
[OWSIdentityManager.sharedManager setVerificationState:OWSVerificationStateDefault
identityKey:identityKey
recipientId:recipientId
isUserInitiatedChange:YES];
}
}
- (void)showUnblockConversationUI:(nullable BlockActionCompletionBlock)completionBlock
{
self.userHasScrolled = NO;
// To avoid "noisy" animations (hiding the keyboard before showing
// the action sheet, re-showing it after), hide the keyboard before
// showing the "unblock" action sheet.
//
// Unblocking is a rare interaction, so it's okay to leave the keyboard
// hidden.
[self dismissKeyBoard];
[BlockListUIUtils showUnblockThreadActionSheet:self.thread
fromViewController:self
blockingManager:self.blockingManager
contactsManager:self.contactsManager
completionBlock:completionBlock];
}
- (BOOL)isBlockedConversation
{
return [self.blockingManager isThreadBlocked:self.thread];
}
- (int)blockedGroupMemberCount
{
OWSAssertDebug(self.isGroupConversation);
OWSAssertDebug([self.thread isKindOfClass:[TSGroupThread class]]);
TSGroupThread *groupThread = (TSGroupThread *)self.thread;
int blockedMemberCount = 0;
NSArray<NSString *> *blockedPhoneNumbers = [self.blockingManager blockedPhoneNumbers];
for (NSString *contactIdentifier in groupThread.groupModel.groupMemberIds) {
if ([blockedPhoneNumbers containsObject:contactIdentifier]) {
blockedMemberCount++;
}
}
return blockedMemberCount;
}
- (void)startReadTimer
{
[self.readTimer invalidate];
self.readTimer = [NSTimer weakScheduledTimerWithTimeInterval:3.f
target:self
selector:@selector(readTimerDidFire)
userInfo:nil
repeats:YES];
}
- (void)readTimerDidFire
{
[self markVisibleMessagesAsRead];
}
- (void)cancelReadTimer
{
[self.readTimer invalidate];
self.readTimer = nil;
}
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
[ProfileFetcherJob runWithThread:self.thread];
[self markVisibleMessagesAsRead];
[self startReadTimer];
[self updateNavigationBarSubtitleLabel];
[self updateBackButtonUnreadCount];
[self autoLoadMoreIfNecessary];
self.focusMessageIdOnOpen = nil;
self.isViewCompletelyAppeared = YES;
self.viewHasEverAppeared = YES;
// HACK: Because the inputToolbar is the inputAccessoryView, we make some special considertations WRT it's firstResponder status.
//
// When a view controller is presented, it is first responder. However if we resign first responder
// and the view re-appears, without being presented, the inputToolbar can become invisible.
// e.g. specifically works around the scenario:
// - Present this VC
// - Longpress on a message to show edit menu, which entails making the pressed view the first responder.
// - Begin presenting another view, e.g. swipe-left for details or swipe-right to go back, but quit part way, so that you remain on the conversation view
// - toolbar will be not be visible unless we reaquire first responder.
if (!self.isFirstResponder) {
// We don't have to worry about the input toolbar being visible if the inputToolbar.textView is first responder
// In fact doing so would unnecessarily dismiss the keyboard which is probably not desirable and at least
// a distracting animation.
if (!self.inputToolbar.isInputTextViewFirstResponder) {
OWSLogDebug(@"reclaiming first responder to ensure toolbar is shown.");
[self becomeFirstResponder];
}
}
switch (self.actionOnOpen) {
case ConversationViewActionNone:
break;
case ConversationViewActionCompose:
[self popKeyBoard];
break;
case ConversationViewActionAudioCall:
[self startAudioCall];
break;
case ConversationViewActionVideoCall:
[self startVideoCall];
break;
}
// Clear the "on open" state after the view has been presented.
self.actionOnOpen = ConversationViewActionNone;
}
// `viewWillDisappear` is called whenever the view *starts* to disappear,
// but, as is the case with the "pan left for message details view" gesture,
// this can be canceled. As such, we shouldn't tear down anything expensive
// until `viewDidDisappear`.
- (void)viewWillDisappear:(BOOL)animated
{
OWSLogDebug(@"viewWillDisappear");
[super viewWillDisappear:animated];
self.isViewCompletelyAppeared = NO;
[[OWSWindowManager sharedManager] hideMenuActionsWindow];
}
- (void)viewDidDisappear:(BOOL)animated
{
[super viewDidDisappear:animated];
self.userHasScrolled = NO;
self.isViewVisible = NO;
[self.audioAttachmentPlayer stop];
self.audioAttachmentPlayer = nil;
[self cancelReadTimer];
[self saveDraft];
[self markVisibleMessagesAsRead];
[self cancelVoiceMemo];
[self.cellMediaCache removeAllObjects];
self.isUserScrolling = NO;
}
- (void)viewDidLayoutSubviews
{
[super viewDidLayoutSubviews];
// We resize the inputToolbar whenever it's text is modified, including when setting saved draft-text.
// However it's possible this draft-text is set before the inputToolbar (an inputAccessoryView) is mounted
// in the view hierarchy. Since it's not in the view hierarchy, it hasn't been laid out and has no width,
// which is used to determine height.
// So here we unsure the proper height once we know everything's been layed out.
[self.inputToolbar ensureTextViewHeight];
}
#pragma mark - Initiliazers
- (void)updateNavigationTitle
{
NSAttributedString *name;
if (self.thread.isGroupThread) {
if (self.thread.name.length == 0) {
name = [[NSAttributedString alloc] initWithString:[MessageStrings newGroupDefaultTitle]];
} else {
name = [[NSAttributedString alloc] initWithString:self.thread.name];
}
} else {
OWSAssertDebug(self.thread.contactIdentifier);
name =
[self.contactsManager attributedContactOrProfileNameForPhoneIdentifier:self.thread.contactIdentifier
primaryFont:self.headerView.titlePrimaryFont
secondaryFont:self.headerView.titleSecondaryFont];
}
self.title = nil;
if ([name isEqual:self.headerView.attributedTitle]) {
return;
}
self.headerView.attributedTitle = name;
}
- (void)createHeaderViews
{
_backButtonUnreadCountView = [UIView new];
_backButtonUnreadCountView.layer.cornerRadius = self.unreadCountViewDiameter / 2;
_backButtonUnreadCountView.backgroundColor = [UIColor redColor];
_backButtonUnreadCountView.hidden = YES;
_backButtonUnreadCountView.userInteractionEnabled = NO;
_backButtonUnreadCountLabel = [UILabel new];
_backButtonUnreadCountLabel.backgroundColor = [UIColor clearColor];
_backButtonUnreadCountLabel.textColor = [UIColor whiteColor];
_backButtonUnreadCountLabel.font = [UIFont systemFontOfSize:11];
_backButtonUnreadCountLabel.textAlignment = NSTextAlignmentCenter;
ConversationHeaderView *headerView =
[[ConversationHeaderView alloc] initWithThread:self.thread contactsManager:self.contactsManager];
self.headerView = headerView;
headerView.delegate = self;
self.navigationItem.titleView = headerView;
if (@available(iOS 11, *)) {
// Do nothing, we use autolayout/intrinsic content size to grow
} else {
// Request "full width" title; the navigation bar will truncate this
// to fit between the left and right buttons.
CGSize screenSize = [UIScreen mainScreen].bounds.size;
CGRect headerFrame = CGRectMake(0, 0, screenSize.width, 44);
headerView.frame = headerFrame;
}
#ifdef USE_DEBUG_UI
[headerView addGestureRecognizer:[[UILongPressGestureRecognizer alloc]
initWithTarget:self
action:@selector(navigationTitleLongPressed:)]];
#endif
[self updateNavigationBarSubtitleLabel];
}
- (CGFloat)unreadCountViewDiameter
{
return 16;
}
- (void)createBackButton
{
UIBarButtonItem *backItem = [self createOWSBackButton];
if (backItem.customView) {
// This method gets called multiple times, so it's important we re-layout the unread badge
// with respect to the new backItem.
[backItem.customView addSubview:_backButtonUnreadCountView];
// TODO: The back button assets are assymetrical. There are strong reasons
// to use spacing in the assets to manipulate the size and positioning of
// bar button items, but it means we'll probably need separate RTL and LTR
// flavors of these assets.
[_backButtonUnreadCountView autoPinEdgeToSuperviewEdge:ALEdgeTop withInset:-6];
[_backButtonUnreadCountView autoPinLeadingToSuperviewMarginWithInset:1];
[_backButtonUnreadCountView autoSetDimension:ALDimensionHeight toSize:self.unreadCountViewDiameter];
// We set a min width, but we will also pin to our subview label, so we can grow to accommodate multiple digits.
[_backButtonUnreadCountView autoSetDimension:ALDimensionWidth
toSize:self.unreadCountViewDiameter
relation:NSLayoutRelationGreaterThanOrEqual];
[_backButtonUnreadCountView addSubview:_backButtonUnreadCountLabel];
[_backButtonUnreadCountLabel autoPinWidthToSuperviewWithMargin:4];
[_backButtonUnreadCountLabel autoPinHeightToSuperview];
// Initialize newly created unread count badge to accurately reflect the current unread count.
[self updateBackButtonUnreadCount];
}
self.navigationItem.leftBarButtonItem = backItem;
}
- (void)windowManagerCallDidChange:(NSNotification *)notification
{
[self updateBarButtonItems];
}
- (void)updateBarButtonItems
{
if (self.userLeftGroup) {
self.navigationItem.rightBarButtonItems = @[];
return;
}
const CGFloat kBarButtonSize = 44;
NSMutableArray<UIBarButtonItem *> *barButtons = [NSMutableArray new];
if ([self canCall]) {
// We use UIButtons with [UIBarButtonItem initWithCustomView:...] instead of
// UIBarButtonItem in order to ensure that these buttons are spaced tightly.
// The contents of the navigation bar are cramped in this view.
UIButton *callButton = [UIButton buttonWithType:UIButtonTypeCustom];
UIImage *image = [[UIImage imageNamed:@"button_phone_white"] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
[callButton setImage:image forState:UIControlStateNormal];
if (OWSWindowManager.sharedManager.hasCall) {
callButton.enabled = NO;
callButton.userInteractionEnabled = NO;
callButton.tintColor = [Theme.navbarIconColor colorWithAlphaComponent:0.7];
} else {
callButton.enabled = YES;
callButton.userInteractionEnabled = YES;
callButton.tintColor = Theme.navbarIconColor;
}
UIEdgeInsets imageEdgeInsets = UIEdgeInsetsZero;
// We normally would want to use left and right insets that ensure the button
// is square and the icon is centered. However UINavigationBar doesn't offer us
// control over the margins and spacing of its content, and the buttons end up
// too far apart and too far from the edge of the screen. So we use a smaller
// right inset tighten up the layout.
imageEdgeInsets.left = round((kBarButtonSize - image.size.width) * 0.5f);
imageEdgeInsets.right = round((kBarButtonSize - (image.size.width + imageEdgeInsets.left)) * 0.5f);
imageEdgeInsets.top = round((kBarButtonSize - image.size.height) * 0.5f);
imageEdgeInsets.bottom = round(kBarButtonSize - (image.size.height + imageEdgeInsets.top));
callButton.imageEdgeInsets = imageEdgeInsets;
callButton.accessibilityLabel = NSLocalizedString(@"CALL_LABEL", "Accessibility label for placing call button");
[callButton addTarget:self action:@selector(startAudioCall) forControlEvents:UIControlEventTouchUpInside];
callButton.frame = CGRectMake(0,
0,
round(image.size.width + imageEdgeInsets.left + imageEdgeInsets.right),
round(image.size.height + imageEdgeInsets.top + imageEdgeInsets.bottom));
[barButtons addObject:[[UIBarButtonItem alloc] initWithCustomView:callButton]];
}
if (self.disappearingMessagesConfiguration.isEnabled) {
DisappearingTimerConfigurationView *timerView = [[DisappearingTimerConfigurationView alloc]
initWithDurationSeconds:self.disappearingMessagesConfiguration.durationSeconds];
timerView.delegate = self;
timerView.tintColor = Theme.navbarIconColor;
// As of iOS11, we can size barButton item custom views with autoLayout.
// Before that, though we can still use autoLayout *within* the customView,
// setting the view's size with constraints causes the customView to be temporarily
// laid out with a misplaced origin.
if (@available(iOS 11.0, *)) {
[timerView autoSetDimensionsToSize:CGSizeMake(36, 44)];
} else {
timerView.frame = CGRectMake(0, 0, 36, 44);
}
[barButtons addObject:[[UIBarButtonItem alloc] initWithCustomView:timerView]];
}
self.navigationItem.rightBarButtonItems = [barButtons copy];
}
- (void)updateNavigationBarSubtitleLabel
{
NSMutableAttributedString *subtitleText = [NSMutableAttributedString new];
UIColor *subtitleColor = [Theme.navbarTitleColor colorWithAlphaComponent:(CGFloat)0.9];
if (self.thread.isMuted) {
// Show a "mute" icon before the navigation bar subtitle if this thread is muted.
[subtitleText appendAttributedString:[[NSAttributedString alloc]
initWithString:LocalizationNotNeeded(@"\ue067 ")
attributes:@{
NSFontAttributeName : [UIFont ows_elegantIconsFont:7.f],
NSForegroundColorAttributeName : subtitleColor
}]];
}
BOOL isVerified = YES;
for (NSString *recipientId in self.thread.recipientIdentifiers) {
if ([[OWSIdentityManager sharedManager] verificationStateForRecipientId:recipientId]
!= OWSVerificationStateVerified) {
isVerified = NO;
break;
}
}
if (isVerified) {
// Show a "checkmark" icon before the navigation bar subtitle if this thread is verified.
[subtitleText appendAttributedString:[[NSAttributedString alloc]
initWithString:LocalizationNotNeeded(@"\uf00c ")
attributes:@{
NSFontAttributeName : [UIFont ows_fontAwesomeFont:10.f],
NSForegroundColorAttributeName : subtitleColor,
}]];
}
[subtitleText
appendAttributedString:[[NSAttributedString alloc]
initWithString:NSLocalizedString(@"MESSAGES_VIEW_TITLE_SUBTITLE",
@"The subtitle for the messages view title indicates that the "
@"title can be tapped to access settings for this conversation.")
attributes:@{
NSFontAttributeName : self.headerView.subtitleFont,
NSForegroundColorAttributeName : subtitleColor,
}]];
self.headerView.attributedSubtitle = subtitleText;
}
#pragma mark - Identity
/**
* Shows confirmation dialog if at least one of the recipient id's is not confirmed.
*
* returns YES if an alert was shown
* NO if there were no unconfirmed identities
*/
- (BOOL)showSafetyNumberConfirmationIfNecessaryWithConfirmationText:(NSString *)confirmationText
completion:(void (^)(BOOL didConfirmIdentity))completionHandler
{
return [SafetyNumberConfirmationAlert presentAlertIfNecessaryWithRecipientIds:self.thread.recipientIdentifiers
confirmationText:confirmationText
contactsManager:self.contactsManager
completion:^(BOOL didShowAlert) {
// Pre iOS-11, the keyboard and inputAccessoryView will obscure the alert if the keyboard is up when the
// alert is presented, so after hiding it, we regain first responder here.
if (@available(iOS 11.0, *)) {
// do nothing
} else {
[self becomeFirstResponder];
}
completionHandler(didShowAlert);
}
beforePresentationHandler:^(void) {
if (@available(iOS 11.0, *)) {
// do nothing
} else {
// Pre iOS-11, the keyboard and inputAccessoryView will obscure the alert if the keyboard is up when the
// alert is presented.
[self dismissKeyBoard];
[self resignFirstResponder];
}
}];
}
- (void)showFingerprintWithRecipientId:(NSString *)recipientId
{
// Ensure keyboard isn't hiding the "safety numbers changed" interaction when we
// return from FingerprintViewController.
[self dismissKeyBoard];
[FingerprintViewController presentFromViewController:self recipientId:recipientId];
}
#pragma mark - Calls
- (void)startAudioCall
{
[self callWithVideo:NO];
}
- (void)startVideoCall
{
[self callWithVideo:YES];
}
- (void)callWithVideo:(BOOL)isVideo
{
OWSAssertDebug([self.thread isKindOfClass:[TSContactThread class]]);
if (![self canCall]) {
OWSLogWarn(@"Tried to initiate a call but thread is not callable.");
return;
}
__weak ConversationViewController *weakSelf = self;
if ([self isBlockedConversation]) {
[self showUnblockConversationUI:^(BOOL isBlocked) {
if (!isBlocked) {
[weakSelf callWithVideo:isVideo];
}
}];
return;
}
BOOL didShowSNAlert =
[self showSafetyNumberConfirmationIfNecessaryWithConfirmationText:[CallStrings confirmAndCallButtonTitle]
completion:^(BOOL didConfirmIdentity) {
if (didConfirmIdentity) {
[weakSelf callWithVideo:isVideo];
}
}];
if (didShowSNAlert) {
return;
}
[self.outboundCallInitiator initiateCallWithRecipientId:self.thread.contactIdentifier isVideo:isVideo];
}
- (BOOL)canCall
{
return !(self.isGroupConversation ||
[((TSContactThread *)self.thread).contactIdentifier isEqualToString:[TSAccountManager localNumber]]);
}
#pragma mark - Dynamic Text
/**
Called whenever the user manually changes the dynamic type options inside Settings.
@param notification NSNotification with the dynamic type change information.
*/
- (void)didChangePreferredContentSize:(NSNotification *)notification
{
OWSLogInfo(@"didChangePreferredContentSize");
// Evacuate cached cell sizes.
for (id<ConversationViewItem> viewItem in self.viewItems) {
[viewItem clearCachedLayoutState];
}
[self resetContentAndLayout];
[self.inputToolbar updateFontSizes];
}
#pragma mark - Actions
- (void)showNoLongerVerifiedUI
{
NSArray<NSString *> *noLongerVerifiedRecipientIds = [self noLongerVerifiedRecipientIds];
if (noLongerVerifiedRecipientIds.count > 1) {
[self showConversationSettingsAndShowVerification:YES];
} else if (noLongerVerifiedRecipientIds.count == 1) {
// Pick one in an arbitrary but deterministic manner.
NSString *recipientId = noLongerVerifiedRecipientIds.lastObject;
[self showFingerprintWithRecipientId:recipientId];
}
}
- (void)showConversationSettings
{
[self showConversationSettingsAndShowVerification:NO];
}
- (void)showConversationSettingsAndShowVerification:(BOOL)showVerification
{
OWSConversationSettingsViewController *settingsVC = [OWSConversationSettingsViewController new];
settingsVC.conversationSettingsViewDelegate = self;
[settingsVC configureWithThread:self.thread uiDatabaseConnection:self.uiDatabaseConnection];
settingsVC.showVerificationOnAppear = showVerification;
[self.navigationController pushViewController:settingsVC animated:YES];
}
#pragma mark - DisappearingTimerConfigurationViewDelegate
- (void)disappearingTimerConfigurationViewWasTapped:(DisappearingTimerConfigurationView *)disappearingTimerView
{
OWSLogDebug(@"Tapped timer in navbar");
[self showConversationSettings];
}
#pragma mark - Load More
- (void)autoLoadMoreIfNecessary
{
BOOL isMainAppAndActive = CurrentAppContext().isMainAppAndActive;
if (self.isUserScrolling || !self.isViewVisible || !isMainAppAndActive) {
return;
}
if (!self.showLoadMoreHeader) {
return;
}
static const CGFloat kThreshold = 50.f;
if (self.collectionView.contentOffset.y < kThreshold) {
[self loadAnotherPageOfMessages];
}
}
- (void)loadAnotherPageOfMessages
{
BOOL hasEarlierUnseenMessages = self.dynamicInteractions.unreadIndicator.hasMoreUnseenMessages;
[self loadNMoreMessages:kYapDatabasePageSize];
// Dont auto-scroll after “loading more messages” unless we have “more unseen messages”.
//
// Otherwise, tapping on "load more messages" autoscrolls you downward which is completely wrong.
if (hasEarlierUnseenMessages && !self.focusMessageIdOnOpen) {
// Ensure view items are updated before trying to scroll to the
// unread indicator.
//
// loadNMoreMessages calls resetMappings which calls ensureDynamicInteractions,
// which may move the unread indicator, and for scrollToUnreadIndicatorAnimated
// to work properly, the view items need to be updated to reflect that change.
[[OWSPrimaryStorage sharedManager] updateUIDatabaseConnectionToLatest];
[self scrollToUnreadIndicatorAnimated];
}
}
- (void)loadNMoreMessages:(NSUInteger)numberOfMessagesToLoad
{
// We want to restore the current scroll state after we update the range, update
// the dynamic interactions and re-layout. Here we take a "before" snapshot.
CGFloat scrollDistanceToBottom = self.safeContentHeight - self.collectionView.contentOffset.y;
self.lastRangeLength = MIN(self.lastRangeLength + numberOfMessagesToLoad, (NSUInteger)kYapDatabaseRangeMaxLength);
[self resetMappings];
[self.layout prepareLayout];
self.collectionView.contentOffset = CGPointMake(0, self.safeContentHeight - scrollDistanceToBottom);
}
- (void)updateShowLoadMoreHeader
{
if (self.lastRangeLength == kYapDatabaseRangeMaxLength) {
self.showLoadMoreHeader = NO;
return;
}
NSUInteger loadWindowSize = [self.messageMappings numberOfItemsInGroup:self.thread.uniqueId];
__block NSUInteger totalMessageCount;
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
totalMessageCount =
[[transaction ext:TSMessageDatabaseViewExtensionName] numberOfItemsInGroup:self.thread.uniqueId];
}];
self.showLoadMoreHeader = loadWindowSize < totalMessageCount;
}
- (void)setShowLoadMoreHeader:(BOOL)showLoadMoreHeader
{
BOOL valueChanged = _showLoadMoreHeader != showLoadMoreHeader;
_showLoadMoreHeader = showLoadMoreHeader;
self.loadMoreHeader.hidden = !showLoadMoreHeader;
self.loadMoreHeader.userInteractionEnabled = showLoadMoreHeader;
if (valueChanged) {
[self resetContentAndLayout];
}
}
- (void)updateDisappearingMessagesConfiguration
{
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
self.disappearingMessagesConfiguration =
[OWSDisappearingMessagesConfiguration fetchObjectWithUniqueID:self.thread.uniqueId transaction:transaction];
}];
}
- (void)setDisappearingMessagesConfiguration:
(nullable OWSDisappearingMessagesConfiguration *)disappearingMessagesConfiguration
{
if (_disappearingMessagesConfiguration.isEnabled == disappearingMessagesConfiguration.isEnabled
&& _disappearingMessagesConfiguration.durationSeconds == disappearingMessagesConfiguration.durationSeconds) {
return;
}
_disappearingMessagesConfiguration = disappearingMessagesConfiguration;
[self updateBarButtonItems];
}
- (void)updateMessageMappingRangeOptions
{
NSUInteger rangeLength = 0;
if (self.lastRangeLength == 0) {
// If this is the first time we're configuring the range length,
// try to take into account the position of the unread indicator
// and the "focus message".
OWSAssertDebug(self.dynamicInteractions);
if (self.focusMessageIdOnOpen) {
OWSAssertDebug(self.dynamicInteractions.focusMessagePosition);
if (self.dynamicInteractions.focusMessagePosition) {
OWSLogVerbose(@"ensuring load of focus message: %@", self.dynamicInteractions.focusMessagePosition);
rangeLength = MAX(rangeLength, 1 + self.dynamicInteractions.focusMessagePosition.unsignedIntegerValue);
}
}
if (self.dynamicInteractions.unreadIndicator) {
NSUInteger unreadIndicatorPosition
= (NSUInteger)self.dynamicInteractions.unreadIndicator.unreadIndicatorPosition;
// If there is an unread indicator, increase the initial load window
// to include it.
OWSAssertDebug(unreadIndicatorPosition > 0);
OWSAssertDebug(unreadIndicatorPosition <= kYapDatabaseRangeMaxLength);
// We'd like to include at least N seen messages,
// to give the user the context of where they left off the conversation.
const NSUInteger kPreferredSeenMessageCount = 1;
rangeLength = MAX(rangeLength, unreadIndicatorPosition + kPreferredSeenMessageCount);
}
}
// Always try to load at least a single page of messages.
rangeLength = MAX(rangeLength, kYapDatabasePageSize);
// Range size should monotonically increase.
rangeLength = MAX(rangeLength, self.lastRangeLength);
// Enforce max range size.
rangeLength = MIN(rangeLength, kYapDatabaseRangeMaxLength);
self.lastRangeLength = rangeLength;
YapDatabaseViewRangeOptions *rangeOptions =
[YapDatabaseViewRangeOptions flexibleRangeWithLength:rangeLength offset:0 from:YapDatabaseViewEnd];
rangeOptions.maxLength = MAX(rangeLength, kYapDatabaseRangeMaxLength);
rangeOptions.minLength = kYapDatabaseRangeMinLength;
[self.messageMappings setRangeOptions:rangeOptions forGroup:self.thread.uniqueId];
[self updateShowLoadMoreHeader];
self.collapseCutoffDate = [NSDate new];
}
#pragma mark Bubble User Actions
- (void)handleFailedDownloadTapForMessage:(TSMessage *)message
attachmentPointer:(TSAttachmentPointer *)attachmentPointer
{
OWSAttachmentsProcessor *processor =
[[OWSAttachmentsProcessor alloc] initWithAttachmentPointer:attachmentPointer
networkManager:self.networkManager];
[processor fetchAttachmentsForMessage:message
primaryStorage:self.primaryStorage
success:^(TSAttachmentStream *attachmentStream) {
OWSLogInfo(@"Successfully redownloaded attachment in thread: %@", message.thread);
}
failure:^(NSError *error) {
OWSLogWarn(@"Failed to redownload message with error: %@", error);
}];
}
- (void)handleUnsentMessageTap:(TSOutgoingMessage *)message
{
UIAlertController *actionSheetController =
[UIAlertController alertControllerWithTitle:message.mostRecentFailureText
message:nil
preferredStyle:UIAlertControllerStyleActionSheet];
[actionSheetController addAction:[OWSAlerts cancelAction]];
UIAlertAction *deleteMessageAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"TXT_DELETE_TITLE", @"")
style:UIAlertActionStyleDestructive
handler:^(UIAlertAction *action) {
[message remove];
}];
[actionSheetController addAction:deleteMessageAction];
UIAlertAction *resendMessageAction = [UIAlertAction
actionWithTitle:NSLocalizedString(@"SEND_AGAIN_BUTTON", @"")
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
[self.editingDatabaseConnection
asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *_Nonnull transaction) {
[self.messageSenderJobQueue addMessage:message transaction:transaction];
}];
}];
[actionSheetController addAction:resendMessageAction];
[self dismissKeyBoard];
[self presentViewController:actionSheetController animated:YES completion:nil];
}
- (void)tappedNonBlockingIdentityChangeForRecipientId:(nullable NSString *)signalIdParam
{
if (signalIdParam == nil) {
if (self.thread.isGroupThread) {
// Before 2.13 we didn't track the recipient id in the identity change error.
OWSLogWarn(@"Ignoring tap on legacy nonblocking identity change since it has no signal id");
return;
} else {
OWSLogInfo(@"Assuming tap on legacy nonblocking identity change corresponds to current contact thread: %@",
self.thread.contactIdentifier);
signalIdParam = self.thread.contactIdentifier;
}
}
NSString *signalId = signalIdParam;
[self showFingerprintWithRecipientId:signalId];
}
- (void)tappedCorruptedMessage:(TSErrorMessage *)message
{
NSString *alertMessage = [NSString
stringWithFormat:NSLocalizedString(@"CORRUPTED_SESSION_DESCRIPTION", @"ActionSheet title"), self.thread.name];
UIAlertController *alertController = [UIAlertController alertControllerWithTitle:nil
message:alertMessage
preferredStyle:UIAlertControllerStyleAlert];
[alertController addAction:[OWSAlerts cancelAction]];
UIAlertAction *resetSessionAction = [UIAlertAction
actionWithTitle:NSLocalizedString(@"FINGERPRINT_SHRED_KEYMATERIAL_BUTTON", @"")
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
if (![self.thread isKindOfClass:[TSContactThread class]]) {
// Corrupt Message errors only appear in contact threads.
OWSLogError(@"Unexpected request to reset session in group thread. Refusing");
return;
}
TSContactThread *contactThread = (TSContactThread *)self.thread;
[self.editingDatabaseConnection
asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *_Nonnull transaction) {
[self.sessionResetJobQueue addContactThread:contactThread transaction:transaction];
}];
}];
[alertController addAction:resetSessionAction];
[self dismissKeyBoard];
[self presentViewController:alertController animated:YES completion:nil];
}
- (void)tappedInvalidIdentityKeyErrorMessage:(TSInvalidIdentityKeyErrorMessage *)errorMessage
{
NSString *keyOwner = [self.contactsManager displayNameForPhoneIdentifier:errorMessage.theirSignalId];
NSString *titleFormat = NSLocalizedString(@"SAFETY_NUMBERS_ACTIONSHEET_TITLE", @"Action sheet heading");
NSString *titleText = [NSString stringWithFormat:titleFormat, keyOwner];
UIAlertController *actionSheetController =
[UIAlertController alertControllerWithTitle:titleText
message:nil
preferredStyle:UIAlertControllerStyleActionSheet];
[actionSheetController addAction:[OWSAlerts cancelAction]];
UIAlertAction *showSafteyNumberAction =
[UIAlertAction actionWithTitle:NSLocalizedString(@"SHOW_SAFETY_NUMBER_ACTION", @"Action sheet item")
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
OWSLogInfo(@"Remote Key Changed actions: Show fingerprint display");
[self showFingerprintWithRecipientId:errorMessage.theirSignalId];
}];
[actionSheetController addAction:showSafteyNumberAction];
UIAlertAction *acceptSafetyNumberAction =
[UIAlertAction actionWithTitle:NSLocalizedString(@"ACCEPT_NEW_IDENTITY_ACTION", @"Action sheet item")
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
OWSLogInfo(@"Remote Key Changed actions: Accepted new identity key");
// DEPRECATED: we're no longer creating these incoming SN error's per message,
// but there will be some legacy ones in the wild, behind which await
// as-of-yet-undecrypted messages
if ([errorMessage isKindOfClass:[TSInvalidIdentityKeyReceivingErrorMessage class]]) {
// Deliberately crash if the user fails to explicitly accept the new identity
// key. In practice we haven't been creating these messages in over a year.
[errorMessage throws_acceptNewIdentityKey];
}
}];
[actionSheetController addAction:acceptSafetyNumberAction];
[self dismissKeyBoard];
[self presentViewController:actionSheetController animated:YES completion:nil];
}
- (void)handleCallTap:(TSCall *)call
{
OWSAssertDebug(call);
if (![self.thread isKindOfClass:[TSContactThread class]]) {
OWSFailDebug(@"unexpected thread: %@", self.thread);
return;
}
TSContactThread *contactThread = (TSContactThread *)self.thread;
NSString *displayName = [self.contactsManager displayNameForPhoneIdentifier:contactThread.contactIdentifier];
UIAlertController *alertController = [UIAlertController
alertControllerWithTitle:[CallStrings callBackAlertTitle]
message:[NSString stringWithFormat:[CallStrings callBackAlertMessageFormat], displayName]
preferredStyle:UIAlertControllerStyleAlert];
__weak ConversationViewController *weakSelf = self;
UIAlertAction *callAction = [UIAlertAction actionWithTitle:[CallStrings callBackAlertCallButton]
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
[weakSelf startAudioCall];
}];
[alertController addAction:callAction];
[alertController addAction:[OWSAlerts cancelAction]];
[self dismissKeyBoard];
[self presentViewController:alertController animated:YES completion:nil];
}
#pragma mark - MessageActionsDelegate
- (void)messageActionsShowDetailsForItem:(id<ConversationViewItem>)conversationViewItem
{
[self showDetailViewForViewItem:conversationViewItem];
}
- (void)messageActionsReplyToItem:(id<ConversationViewItem>)conversationViewItem
{
[self populateReplyForViewItem:conversationViewItem];
}
#pragma mark - MenuActionsViewControllerDelegate
- (void)menuActionsDidHide:(MenuActionsViewController *)menuActionsViewController
{
[[OWSWindowManager sharedManager] hideMenuActionsWindow];
[self updateShouldObserveDBModifications];
}
- (void)menuActions:(MenuActionsViewController *)menuActionsViewController
isPresentingWithVerticalFocusChange:(CGFloat)verticalChange
{
UIEdgeInsets oldInset = self.collectionView.contentInset;
CGPoint oldOffset = self.collectionView.contentOffset;
UIEdgeInsets newInset = oldInset;
CGPoint newOffset = oldOffset;
// In case the message is at the very top or bottom edge of the conversation we have to have these additional
// insets to be sure we can sufficiently scroll the contentOffset.
newInset.top += verticalChange;
newInset.bottom -= verticalChange;
newOffset.y -= verticalChange;
OWSLogDebug(@"verticalChange: %f, insets: %@ -> %@",
verticalChange,
NSStringFromUIEdgeInsets(oldInset),
NSStringFromUIEdgeInsets(newInset));
// Because we're in the context of the frame-changing animation, these adjustments should happen
// in lockstep with the messageActions frame change.
self.collectionView.contentOffset = newOffset;
self.collectionView.contentInset = newInset;
}
- (void)menuActions:(MenuActionsViewController *)menuActionsViewController
isDismissingWithVerticalFocusChange:(CGFloat)verticalChange
{
UIEdgeInsets oldInset = self.collectionView.contentInset;
CGPoint oldOffset = self.collectionView.contentOffset;
UIEdgeInsets newInset = oldInset;
CGPoint newOffset = oldOffset;
// In case the message is at the very top or bottom edge of the conversation we have to have these additional
// insets to be sure we can sufficiently scroll the contentOffset.
newInset.top -= verticalChange;
newInset.bottom += verticalChange;
newOffset.y += verticalChange;
OWSLogDebug(@"verticalChange: %f, insets: %@ -> %@",
verticalChange,
NSStringFromUIEdgeInsets(oldInset),
NSStringFromUIEdgeInsets(newInset));
// Because we're in the context of the frame-changing animation, these adjustments should happen
// in lockstep with the messageActions frame change.
self.collectionView.contentOffset = newOffset;
self.collectionView.contentInset = newInset;
}
#pragma mark - ConversationViewCellDelegate
- (void)conversationCell:(ConversationViewCell *)cell didLongpressMediaViewItem:(id<ConversationViewItem>)viewItem
{
NSArray<MenuAction *> *messageActions =
[ConversationViewItemActions mediaActionsWithConversationViewItem:viewItem delegate:self];
[self presentMessageActions:messageActions withFocusedCell:cell];
}
- (void)conversationCell:(ConversationViewCell *)cell didLongpressTextViewItem:(id<ConversationViewItem>)viewItem
{
NSArray<MenuAction *> *messageActions =
[ConversationViewItemActions textActionsWithConversationViewItem:viewItem delegate:self];
[self presentMessageActions:messageActions withFocusedCell:cell];
}
- (void)conversationCell:(ConversationViewCell *)cell didLongpressQuoteViewItem:(id<ConversationViewItem>)viewItem
{
NSArray<MenuAction *> *messageActions =
[ConversationViewItemActions quotedMessageActionsWithConversationViewItem:viewItem delegate:self];
[self presentMessageActions:messageActions withFocusedCell:cell];
}
- (void)conversationCell:(ConversationViewCell *)cell
didLongpressSystemMessageViewItem:(id<ConversationViewItem>)viewItem
{
NSArray<MenuAction *> *messageActions =
[ConversationViewItemActions infoMessageActionsWithConversationViewItem:viewItem delegate:self];
[self presentMessageActions:messageActions withFocusedCell:cell];
}
- (void)presentMessageActions:(NSArray<MenuAction *> *)messageActions withFocusedCell:(ConversationViewCell *)cell
{
MenuActionsViewController *menuActionsViewController =
[[MenuActionsViewController alloc] initWithFocusedView:cell actions:messageActions];
menuActionsViewController.delegate = self;
[[OWSWindowManager sharedManager] showMenuActionsWindow:menuActionsViewController];
[self updateShouldObserveDBModifications];
}
- (NSAttributedString *)attributedContactOrProfileNameForPhoneIdentifier:(NSString *)recipientId
{
OWSAssertIsOnMainThread();
OWSAssertDebug(recipientId.length > 0);
return [self.contactsManager attributedContactOrProfileNameForPhoneIdentifier:recipientId];
}
- (void)tappedUnknownContactBlockOfferMessage:(OWSContactOffersInteraction *)interaction
{
if (![self.thread isKindOfClass:[TSContactThread class]]) {
OWSFailDebug(@"unexpected thread: %@", self.thread);
return;
}
TSContactThread *contactThread = (TSContactThread *)self.thread;
NSString *displayName = [self.contactsManager displayNameForPhoneIdentifier:interaction.recipientId];
NSString *title =
[NSString stringWithFormat:NSLocalizedString(@"BLOCK_OFFER_ACTIONSHEET_TITLE_FORMAT",
@"Title format for action sheet that offers to block an unknown user."
@"Embeds {{the unknown user's name or phone number}}."),
[BlockListUIUtils formatDisplayNameForAlertTitle:displayName]];
UIAlertController *actionSheetController =
[UIAlertController alertControllerWithTitle:title message:nil preferredStyle:UIAlertControllerStyleActionSheet];
[actionSheetController addAction:[OWSAlerts cancelAction]];
UIAlertAction *blockAction = [UIAlertAction
actionWithTitle:NSLocalizedString(
@"BLOCK_OFFER_ACTIONSHEET_BLOCK_ACTION", @"Action sheet that will block an unknown user.")
style:UIAlertActionStyleDestructive
handler:^(UIAlertAction *action) {
OWSLogInfo(@"Blocking an unknown user.");
[self.blockingManager addBlockedPhoneNumber:interaction.recipientId];
// Delete the offers.
[self.editingDatabaseConnection readWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
contactThread.hasDismissedOffers = YES;
[contactThread saveWithTransaction:transaction];
[interaction removeWithTransaction:transaction];
}];
}];
[actionSheetController addAction:blockAction];
[self dismissKeyBoard];
[self presentViewController:actionSheetController animated:YES completion:nil];
}
- (void)tappedAddToContactsOfferMessage:(OWSContactOffersInteraction *)interaction
{
if (!self.contactsManager.supportsContactEditing) {
OWSFailDebug(@"Contact editing not supported");
return;
}
if (![self.thread isKindOfClass:[TSContactThread class]]) {
OWSFailDebug(@"unexpected thread: %@", [self.thread class]);
return;
}
TSContactThread *contactThread = (TSContactThread *)self.thread;
[self.contactsViewHelper presentContactViewControllerForRecipientId:contactThread.contactIdentifier
fromViewController:self
editImmediately:YES];
// Delete the offers.
[self.editingDatabaseConnection readWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
contactThread.hasDismissedOffers = YES;
[contactThread saveWithTransaction:transaction];
[interaction removeWithTransaction:transaction];
}];
}
- (void)tappedAddToProfileWhitelistOfferMessage:(OWSContactOffersInteraction *)interaction
{
// This is accessed via the contact offer. Group whitelisting happens via a different interaction.
if (![self.thread isKindOfClass:[TSContactThread class]]) {
OWSFailDebug(@"unexpected thread: %@", [self.thread class]);
return;
}
TSContactThread *contactThread = (TSContactThread *)self.thread;
[self presentAddThreadToProfileWhitelistWithSuccess:^() {
// Delete the offers.
[self.editingDatabaseConnection readWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
contactThread.hasDismissedOffers = YES;
[contactThread saveWithTransaction:transaction];
[interaction removeWithTransaction:transaction];
}];
}];
}
- (void)presentAddThreadToProfileWhitelistWithSuccess:(void (^)(void))successHandler
{
[[OWSProfileManager sharedManager] presentAddThreadToProfileWhitelist:self.thread
fromViewController:self
success:successHandler];
}
#pragma mark - OWSMessageBubbleViewDelegate
- (void)didTapImageViewItem:(id<ConversationViewItem>)viewItem
attachmentStream:(TSAttachmentStream *)attachmentStream
imageView:(UIView *)imageView
{
OWSAssertIsOnMainThread();
OWSAssertDebug(viewItem);
OWSAssertDebug(attachmentStream);
OWSAssertDebug(imageView);
[self dismissKeyBoard];
// In case we were presenting edit menu, we need to become first responder before presenting another VC
// else UIKit won't restore first responder status to us when the presented VC is dismissed.
if (!self.isFirstResponder) {
[self becomeFirstResponder];
}
if (![viewItem.interaction isKindOfClass:[TSMessage class]]) {
OWSFailDebug(@"Unexpected viewItem.interaction");
return;
}
TSMessage *mediaMessage = (TSMessage *)viewItem.interaction;
MediaGalleryViewController *vc = [[MediaGalleryViewController alloc]
initWithThread:self.thread
uiDatabaseConnection:self.uiDatabaseConnection
options:MediaGalleryOptionSliderEnabled | MediaGalleryOptionShowAllMediaButton];
[vc presentDetailViewFromViewController:self mediaMessage:mediaMessage replacingView:imageView];
}
- (void)didTapVideoViewItem:(id<ConversationViewItem>)viewItem
attachmentStream:(TSAttachmentStream *)attachmentStream
imageView:(UIImageView *)imageView
{
OWSAssertIsOnMainThread();
OWSAssertDebug(viewItem);
OWSAssertDebug(attachmentStream);
[self dismissKeyBoard];
// In case we were presenting edit menu, we need to become first responder before presenting another VC
// else UIKit won't restore first responder status to us when the presented VC is dismissed.
if (!self.isFirstResponder) {
[self becomeFirstResponder];
}
if (![viewItem.interaction isKindOfClass:[TSMessage class]]) {
OWSFailDebug(@"Unexpected viewItem.interaction");
return;
}
TSMessage *mediaMessage = (TSMessage *)viewItem.interaction;
MediaGalleryViewController *vc = [[MediaGalleryViewController alloc]
initWithThread:self.thread
uiDatabaseConnection:self.uiDatabaseConnection
options:MediaGalleryOptionSliderEnabled | MediaGalleryOptionShowAllMediaButton];
[vc presentDetailViewFromViewController:self mediaMessage:mediaMessage replacingView:imageView];
}
- (void)didTapAudioViewItem:(id<ConversationViewItem>)viewItem attachmentStream:(TSAttachmentStream *)attachmentStream
{
OWSAssertIsOnMainThread();
OWSAssertDebug(viewItem);
OWSAssertDebug(attachmentStream);
NSFileManager *fileManager = [NSFileManager defaultManager];
if (![fileManager fileExistsAtPath:attachmentStream.originalFilePath]) {
OWSFailDebug(@"Missing video file: %@", attachmentStream.originalMediaURL);
}
[self dismissKeyBoard];
if (self.audioAttachmentPlayer) {
// Is this player associated with this media adapter?
if (self.audioAttachmentPlayer.owner == viewItem) {
// Tap to pause & unpause.
[self.audioAttachmentPlayer togglePlayState];
return;
}
[self.audioAttachmentPlayer stop];
self.audioAttachmentPlayer = nil;
}
self.audioAttachmentPlayer =
[[OWSAudioPlayer alloc] initWithMediaUrl:attachmentStream.originalMediaURL audioBehavior:OWSAudioBehavior_AudioMessagePlayback delegate:viewItem];
// Associate the player with this media adapter.
self.audioAttachmentPlayer.owner = viewItem;
[self.audioAttachmentPlayer play];
}
- (void)didTapTruncatedTextMessage:(id<ConversationViewItem>)conversationItem
{
OWSAssertIsOnMainThread();
OWSAssertDebug(conversationItem);
OWSAssertDebug([conversationItem.interaction isKindOfClass:[TSMessage class]]);
LongTextViewController *view = [[LongTextViewController alloc] initWithViewItem:conversationItem];
[self.navigationController pushViewController:view animated:YES];
}
- (void)didTapContactShareViewItem:(id<ConversationViewItem>)conversationItem
{
OWSAssertIsOnMainThread();
OWSAssertDebug(conversationItem);
OWSAssertDebug(conversationItem.contactShare);
OWSAssertDebug([conversationItem.interaction isKindOfClass:[TSMessage class]]);
ContactViewController *view = [[ContactViewController alloc] initWithContactShare:conversationItem.contactShare];
[self.navigationController pushViewController:view animated:YES];
}
- (void)didTapSendMessageToContactShare:(ContactShareViewModel *)contactShare
{
OWSAssertIsOnMainThread();
OWSAssertDebug(contactShare);
[self.contactShareViewHelper sendMessageWithContactShare:contactShare fromViewController:self];
}
- (void)didTapSendInviteToContactShare:(ContactShareViewModel *)contactShare
{
OWSAssertIsOnMainThread();
OWSAssertDebug(contactShare);
[self.contactShareViewHelper showInviteContactWithContactShare:contactShare fromViewController:self];
}
- (void)didTapShowAddToContactUIForContactShare:(ContactShareViewModel *)contactShare
{
OWSAssertIsOnMainThread();
OWSAssertDebug(contactShare);
[self.contactShareViewHelper showAddToContactsWithContactShare:contactShare fromViewController:self];
}
- (void)didTapFailedIncomingAttachment:(id<ConversationViewItem>)viewItem
attachmentPointer:(TSAttachmentPointer *)attachmentPointer
{
OWSAssertIsOnMainThread();
OWSAssertDebug(viewItem);
OWSAssertDebug(attachmentPointer);
// Restart failed downloads
TSMessage *message = (TSMessage *)viewItem.interaction;
[self handleFailedDownloadTapForMessage:message attachmentPointer:attachmentPointer];
}
- (void)didTapFailedOutgoingMessage:(TSOutgoingMessage *)message
{
OWSAssertIsOnMainThread();
OWSAssertDebug(message);
[self handleUnsentMessageTap:message];
}
- (void)didTapConversationItem:(id<ConversationViewItem>)viewItem
quotedReply:(OWSQuotedReplyModel *)quotedReply
failedThumbnailDownloadAttachmentPointer:(TSAttachmentPointer *)attachmentPointer
{
OWSAssertIsOnMainThread();
OWSAssertDebug(viewItem);
OWSAssertDebug(attachmentPointer);
TSMessage *message = (TSMessage *)viewItem.interaction;
if (![message isKindOfClass:[TSMessage class]]) {
OWSFailDebug(@"message had unexpected class: %@", message.class);
return;
}
OWSAttachmentsProcessor *processor =
[[OWSAttachmentsProcessor alloc] initWithAttachmentPointer:attachmentPointer
networkManager:self.networkManager];
[self.editingDatabaseConnection asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
[processor fetchAttachmentsForMessage:nil
transaction:transaction
success:^(TSAttachmentStream *attachmentStream) {
[self.editingDatabaseConnection
asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *postSuccessTransaction) {
[message setQuotedMessageThumbnailAttachmentStream:attachmentStream];
[message saveWithTransaction:postSuccessTransaction];
}];
}
failure:^(NSError *error) {
OWSLogWarn(@"Failed to redownload thumbnail with error: %@", error);
[self.editingDatabaseConnection
asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *postSuccessTransaction) {
[message touchWithTransaction:transaction];
}];
}];
}];
}
- (void)didTapConversationItem:(id<ConversationViewItem>)viewItem quotedReply:(OWSQuotedReplyModel *)quotedReply
{
OWSAssertIsOnMainThread();
OWSAssertDebug(viewItem);
OWSAssertDebug(quotedReply);
OWSAssertDebug(quotedReply.timestamp > 0);
OWSAssertDebug(quotedReply.authorId.length > 0);
// We try to find the index of the item within the current thread's
// interactions that includes the "quoted interaction".
//
// NOTE: There are two indices:
//
// * The "group index" of the member of the database views group at
// the db conneciton's current checkpoint.
// * The "index row/section" in the message mapping.
//
// NOTE: Since the range _IS NOT_ filtered by author,
// and timestamp collisions are possible, it's possible
// for:
//
// * The range to include more than the "quoted interaction".
// * The range to be non-empty but NOT include the "quoted interaction",
// although this would be a bug.
__block TSInteraction *_Nullable quotedInteraction;
__block NSUInteger threadInteractionCount = 0;
__block NSNumber *_Nullable groupIndex = nil;
if (quotedReply.isRemotelySourced) {
[self presentRemotelySourcedQuotedReplyToast];
return;
}
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
quotedInteraction = [ThreadUtil findInteractionInThreadByTimestamp:quotedReply.timestamp
authorId:quotedReply.authorId
threadUniqueId:self.thread.uniqueId
transaction:transaction];
if (!quotedInteraction) {
return;
}
YapDatabaseAutoViewTransaction *_Nullable extension =
[transaction extension:TSMessageDatabaseViewExtensionName];
if (!extension) {
OWSFailDebug(@"Couldn't load view.");
return;
}
threadInteractionCount = [extension numberOfItemsInGroup:self.thread.uniqueId];
groupIndex = [self findGroupIndexOfThreadInteraction:quotedInteraction transaction:transaction];
}];
if (!quotedInteraction || !groupIndex) {
[self presentMissingQuotedReplyToast];
return;
}
NSUInteger indexRow = 0;
NSUInteger indexSection = 0;
BOOL isInMappings = [self.messageMappings getRow:&indexRow
section:&indexSection
forIndex:groupIndex.unsignedIntegerValue
inGroup:self.thread.uniqueId];
if (!isInMappings) {
NSInteger desiredWindowSize = MAX(0, 1 + (NSInteger)threadInteractionCount - groupIndex.integerValue);
NSUInteger oldLoadWindowSize = [self.messageMappings numberOfItemsInGroup:self.thread.uniqueId];
NSInteger additionalItemsToLoad = MAX(0, desiredWindowSize - (NSInteger)oldLoadWindowSize);
if (additionalItemsToLoad < 1) {
OWSLogError(@"Couldn't determine how to load quoted reply.");
return;
}
// Try to load more messages so that the quoted message
// is in the load window.
//
// This may fail if the quoted message is very old, in which
// case we'll load the max number of messages.
[self loadNMoreMessages:(NSUInteger)additionalItemsToLoad];
// `loadNMoreMessages` will reset the mapping and possibly
// integrate new changes, so we need to reload the "group index"
// of the quoted message.
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
groupIndex = [self findGroupIndexOfThreadInteraction:quotedInteraction transaction:transaction];
}];
if (!quotedInteraction || !groupIndex) {
OWSLogError(@"Failed to find quoted reply in group.");
return;
}
isInMappings = [self.messageMappings getRow:&indexRow
section:&indexSection
forIndex:groupIndex.unsignedIntegerValue
inGroup:self.thread.uniqueId];
if (!isInMappings) {
OWSLogError(@"Could not load quoted reply into mapping.");
return;
}
}
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:(NSInteger)indexRow inSection:(NSInteger)indexSection];
[self.collectionView scrollToItemAtIndexPath:indexPath
atScrollPosition:UICollectionViewScrollPositionTop
animated:YES];
// TODO: Highlight the quoted message?
}
- (nullable NSNumber *)findGroupIndexOfThreadInteraction:(TSInteraction *)interaction
transaction:(YapDatabaseReadTransaction *)transaction
{
OWSAssertDebug(interaction);
OWSAssertDebug(transaction);
YapDatabaseAutoViewTransaction *_Nullable extension = [transaction extension:TSMessageDatabaseViewExtensionName];
if (!extension) {
OWSFailDebug(@"Couldn't load view.");
return nil;
}
NSUInteger groupIndex = 0;
BOOL foundInGroup =
[extension getGroup:nil index:&groupIndex forKey:interaction.uniqueId inCollection:TSInteraction.collection];
if (!foundInGroup) {
OWSLogError(@"Couldn't find quoted message in group.");
return nil;
}
return @(groupIndex);
}
- (void)showDetailViewForViewItem:(id<ConversationViewItem>)conversationItem
{
OWSAssertIsOnMainThread();
OWSAssertDebug(conversationItem);
OWSAssertDebug([conversationItem.interaction isKindOfClass:[TSMessage class]]);
TSMessage *message = (TSMessage *)conversationItem.interaction;
MessageDetailViewController *view =
[[MessageDetailViewController alloc] initWithViewItem:conversationItem
message:message
thread:self.thread
mode:MessageMetadataViewModeFocusOnMetadata];
[self.navigationController pushViewController:view animated:YES];
}
- (void)populateReplyForViewItem:(id<ConversationViewItem>)conversationItem
{
OWSLogDebug(@"user did tap reply");
__block OWSQuotedReplyModel *quotedReply;
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
quotedReply = [OWSQuotedReplyModel quotedReplyForSendingWithConversationViewItem:conversationItem
transaction:transaction];
}];
if (![quotedReply isKindOfClass:[OWSQuotedReplyModel class]]) {
OWSFailDebug(@"unexpected quotedMessage: %@", quotedReply.class);
return;
}
self.inputToolbar.quotedReply = quotedReply;
[self.inputToolbar beginEditingTextMessage];
}
#pragma mark - ContactEditingDelegate
- (void)didFinishEditingContact
{
OWSLogDebug(@"");
[self dismissViewControllerAnimated:NO completion:nil];
}
#pragma mark - CNContactViewControllerDelegate
- (void)contactViewController:(CNContactViewController *)viewController
didCompleteWithContact:(nullable CNContact *)contact
{
if (contact) {
// Saving normally returns you to the "Show Contact" view
// which we're not interested in, so we skip it here. There is
// an unfortunate blip of the "Show Contact" view on slower devices.
OWSLogDebug(@"completed editing contact.");
[self dismissViewControllerAnimated:NO completion:nil];
} else {
OWSLogDebug(@"canceled editing contact.");
[self dismissViewControllerAnimated:YES completion:nil];
}
}
#pragma mark - ContactsViewHelperDelegate
- (void)contactsViewHelperDidUpdateContacts
{
[self ensureDynamicInteractions];
}
- (void)ensureDynamicInteractions
{
OWSAssertIsOnMainThread();
const int currentMaxRangeSize = (int)self.lastRangeLength;
const int maxRangeSize = MAX(kConversationInitialMaxRangeSize, currentMaxRangeSize);
self.dynamicInteractions = [ThreadUtil ensureDynamicInteractionsForThread:self.thread
contactsManager:self.contactsManager
blockingManager:self.blockingManager
dbConnection:self.editingDatabaseConnection
hideUnreadMessagesIndicator:self.hasClearedUnreadMessagesIndicator
lastUnreadIndicator:self.dynamicInteractions.unreadIndicator
focusMessageId:self.focusMessageIdOnOpen
maxRangeSize:maxRangeSize];
}
- (void)clearUnreadMessagesIndicator
{
OWSAssertIsOnMainThread();
NSIndexPath *_Nullable indexPathOfUnreadIndicator = [self indexPathOfUnreadMessagesIndicator];
if (indexPathOfUnreadIndicator) {
id<ConversationViewItem> oldIndicatorItem = [self viewItemForIndex:indexPathOfUnreadIndicator.row];
OWSAssertDebug(oldIndicatorItem);
// TODO ideally this would be happening within the *same* transaction that caused the unreadMessageIndicator
// to be cleared.
[self.editingDatabaseConnection
asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *_Nonnull transaction) {
[oldIndicatorItem.interaction touchWithTransaction:transaction];
}];
}
if (self.hasClearedUnreadMessagesIndicator) {
// ensureDynamicInteractionsForThread is somewhat expensive
// so we don't want to call it unnecessarily.
return;
}
// Once we've cleared the unread messages indicator,
// make sure we don't show it again.
self.hasClearedUnreadMessagesIndicator = YES;
if (self.dynamicInteractions.unreadIndicator) {
// If we've just cleared the "unread messages" indicator,
// update the dynamic interactions.
[self ensureDynamicInteractions];
}
}
- (void)createConversationScrollButtons
{
self.scrollDownButton = [[ConversationScrollButton alloc] initWithIconText:@"\uf103"];
[self.scrollDownButton addTarget:self
action:@selector(scrollDownButtonTapped)
forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:self.scrollDownButton];
[self.scrollDownButton autoSetDimension:ALDimensionWidth toSize:ConversationScrollButton.buttonSize];
[self.scrollDownButton autoSetDimension:ALDimensionHeight toSize:ConversationScrollButton.buttonSize];
self.scrollDownButtonButtomConstraint = [self.scrollDownButton autoPinEdgeToSuperviewMargin:ALEdgeBottom];
[self.scrollDownButton autoPinEdgeToSuperviewEdge:ALEdgeTrailing];
#ifdef DEBUG
self.scrollUpButton = [[ConversationScrollButton alloc] initWithIconText:@"\uf102"];
[self.scrollUpButton addTarget:self
action:@selector(scrollUpButtonTapped)
forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:self.scrollUpButton];
[self.scrollUpButton autoSetDimension:ALDimensionWidth toSize:ConversationScrollButton.buttonSize];
[self.scrollUpButton autoSetDimension:ALDimensionHeight toSize:ConversationScrollButton.buttonSize];
[self.scrollUpButton autoPinToTopLayoutGuideOfViewController:self withInset:0];
[self.scrollUpButton autoPinEdgeToSuperviewEdge:ALEdgeTrailing];
#endif
}
- (void)setHasUnreadMessages:(BOOL)hasUnreadMessages
{
if (_hasUnreadMessages == hasUnreadMessages) {
return;
}
_hasUnreadMessages = hasUnreadMessages;
self.scrollDownButton.hasUnreadMessages = hasUnreadMessages;
[self ensureDynamicInteractions];
}
- (void)scrollDownButtonTapped
{
NSIndexPath *indexPathOfUnreadMessagesIndicator = [self indexPathOfUnreadMessagesIndicator];
if (indexPathOfUnreadMessagesIndicator != nil) {
NSInteger unreadRow = indexPathOfUnreadMessagesIndicator.row;
BOOL isScrolledAboveUnreadIndicator = YES;
NSArray<NSIndexPath *> *visibleIndices = self.collectionView.indexPathsForVisibleItems;
for (NSIndexPath *indexPath in visibleIndices) {
if (indexPath.row > unreadRow) {
isScrolledAboveUnreadIndicator = NO;
break;
}
}
if (isScrolledAboveUnreadIndicator) {
// Only scroll as far as the unread indicator if we're scrolled above the unread indicator.
[[self collectionView] scrollToItemAtIndexPath:indexPathOfUnreadMessagesIndicator
atScrollPosition:UICollectionViewScrollPositionTop
animated:YES];
return;
}
}
[self scrollToBottomAnimated:YES];
}
#ifdef DEBUG
- (void)scrollUpButtonTapped
{
[self.collectionView setContentOffset:CGPointZero animated:YES];
}
#endif
- (void)ensureScrollDownButton
{
OWSAssertIsOnMainThread();
BOOL shouldShowScrollDownButton = NO;
CGFloat scrollSpaceToBottom = (self.safeContentHeight + self.collectionView.contentInset.bottom
- (self.collectionView.contentOffset.y + self.collectionView.frame.size.height));
CGFloat pageHeight = (self.collectionView.frame.size.height
- (self.collectionView.contentInset.top + self.collectionView.contentInset.bottom));
// Show "scroll down" button if user is scrolled up at least
// one page.
BOOL isScrolledUp = scrollSpaceToBottom > pageHeight * 1.f;
if (self.viewItems.count > 0) {
id<ConversationViewItem> lastViewItem = [self.viewItems lastObject];
OWSAssertDebug(lastViewItem);
if (lastViewItem.interaction.timestampForSorting > self.lastVisibleTimestamp) {
shouldShowScrollDownButton = YES;
} else if (isScrolledUp) {
shouldShowScrollDownButton = YES;
}
}
if (shouldShowScrollDownButton) {
self.scrollDownButton.hidden = NO;
} else {
self.scrollDownButton.hidden = YES;
}
#ifdef DEBUG
BOOL shouldShowScrollUpButton = self.collectionView.contentOffset.y > 0;
if (shouldShowScrollUpButton) {
self.scrollUpButton.hidden = NO;
} else {
self.scrollUpButton.hidden = YES;
}
#endif
}
#pragma mark - Attachment Picking: Contacts
- (void)chooseContactForSending
{
ContactsPicker *contactsPicker =
[[ContactsPicker alloc] initWithAllowsMultipleSelection:NO subtitleCellType:SubtitleCellValueNone];
contactsPicker.contactsPickerDelegate = self;
contactsPicker.title
= NSLocalizedString(@"CONTACT_PICKER_TITLE", @"navbar title for contact picker when sharing a contact");
OWSNavigationController *navigationController =
[[OWSNavigationController alloc] initWithRootViewController:contactsPicker];
[self dismissKeyBoard];
[self presentViewController:navigationController animated:YES completion:nil];
}
#pragma mark - Attachment Picking: Documents
- (void)showAttachmentDocumentPickerMenu
{
NSString *allItems = (__bridge NSString *)kUTTypeItem;
NSArray<NSString *> *documentTypes = @[ allItems ];
// UIDocumentPickerModeImport copies to a temp file within our container.
// It uses more memory than "open" but lets us avoid working with security scoped URLs.
UIDocumentPickerMode pickerMode = UIDocumentPickerModeImport;
// TODO: UIDocumentMenuViewController is deprecated; we should use UIDocumentPickerViewController
// instead.
UIDocumentMenuViewController *menuController =
[[UIDocumentMenuViewController alloc] initWithDocumentTypes:documentTypes inMode:pickerMode];
menuController.delegate = self;
UIImage *takeMediaImage = [UIImage imageNamed:@"actionsheet_camera_black"];
OWSAssertDebug(takeMediaImage);
[menuController addOptionWithTitle:NSLocalizedString(
@"MEDIA_FROM_LIBRARY_BUTTON", @"media picker option to choose from library")
image:takeMediaImage
order:UIDocumentMenuOrderFirst
handler:^{
[self chooseFromLibraryAsDocument];
}];
[self dismissKeyBoard];
[self presentViewController:menuController animated:YES completion:nil];
}
#pragma mark - Attachment Picking: GIFs
- (void)showGifPicker
{
GifPickerViewController *view =
[[GifPickerViewController alloc] initWithThread:self.thread messageSender:self.messageSender];
view.delegate = self;
OWSNavigationController *navigationController = [[OWSNavigationController alloc] initWithRootViewController:view];
[self dismissKeyBoard];
[self presentViewController:navigationController animated:YES completion:nil];
}
#pragma mark GifPickerViewControllerDelegate
- (void)gifPickerDidSelectWithAttachment:(SignalAttachment *)attachment
{
OWSAssertDebug(attachment);
[self tryToSendAttachmentIfApproved:attachment];
[ThreadUtil addThreadToProfileWhitelistIfEmptyContactThread:self.thread];
[self ensureDynamicInteractions];
}
- (void)messageWasSent:(TSOutgoingMessage *)message
{
OWSAssertIsOnMainThread();
OWSAssertDebug(message);
[self updateLastVisibleTimestamp:message.timestampForSorting];
self.lastMessageSentDate = [NSDate new];
[self clearUnreadMessagesIndicator];
self.inputToolbar.quotedReply = nil;
if (!Environment.shared.preferences.hasSentAMessage) {
[Environment.shared.preferences setHasSentAMessage:YES];
}
if ([Environment.shared.preferences soundInForeground]) {
SystemSoundID soundId = [OWSSounds systemSoundIDForSound:OWSSound_MessageSent quiet:YES];
AudioServicesPlaySystemSound(soundId);
}
[self.typingIndicators didSendOutgoingMessageInThread:self.thread];
}
#pragma mark UIDocumentMenuDelegate
- (void)documentMenu:(UIDocumentMenuViewController *)documentMenu
didPickDocumentPicker:(UIDocumentPickerViewController *)documentPicker
{
documentPicker.delegate = self;
[self dismissKeyBoard];
[self presentViewController:documentPicker animated:YES completion:nil];
}
#pragma mark UIDocumentPickerDelegate
- (void)documentPicker:(UIDocumentPickerViewController *)controller didPickDocumentAtURL:(NSURL *)url
{
OWSLogDebug(@"Picked document at url: %@", url);
NSString *type;
NSError *typeError;
[url getResourceValue:&type forKey:NSURLTypeIdentifierKey error:&typeError];
if (typeError) {
OWSFailDebug(@"Determining type of picked document at url: %@ failed with error: %@", url, typeError);
}
if (!type) {
OWSFailDebug(@"falling back to default filetype for picked document at url: %@", url);
type = (__bridge NSString *)kUTTypeData;
}
NSNumber *isDirectory;
NSError *isDirectoryError;
[url getResourceValue:&isDirectory forKey:NSURLIsDirectoryKey error:&isDirectoryError];
if (isDirectoryError) {
OWSFailDebug(@"Determining if picked document was a directory failed with error: %@", isDirectoryError);
} else if ([isDirectory boolValue]) {
OWSLogInfo(@"User picked directory.");
dispatch_async(dispatch_get_main_queue(), ^{
[OWSAlerts
showAlertWithTitle:
NSLocalizedString(@"ATTACHMENT_PICKER_DOCUMENTS_PICKED_DIRECTORY_FAILED_ALERT_TITLE",
@"Alert title when picking a document fails because user picked a directory/bundle")
message:
NSLocalizedString(@"ATTACHMENT_PICKER_DOCUMENTS_PICKED_DIRECTORY_FAILED_ALERT_BODY",
@"Alert body when picking a document fails because user picked a directory/bundle")];
});
return;
}
NSString *filename = url.lastPathComponent;
if (!filename) {
OWSFailDebug(@"Unable to determine filename");
filename = NSLocalizedString(
@"ATTACHMENT_DEFAULT_FILENAME", @"Generic filename for an attachment with no known name");
}
OWSAssertDebug(type);
OWSAssertDebug(filename);
DataSource *_Nullable dataSource = [DataSourcePath dataSourceWithURL:url shouldDeleteOnDeallocation:NO];
if (!dataSource) {
OWSFailDebug(@"attachment data was unexpectedly empty for picked document");
dispatch_async(dispatch_get_main_queue(), ^{
[OWSAlerts showAlertWithTitle:NSLocalizedString(@"ATTACHMENT_PICKER_DOCUMENTS_FAILED_ALERT_TITLE",
@"Alert title when picking a document fails for an unknown reason")];
});
return;
}
[dataSource setSourceFilename:filename];
// Although we want to be able to send higher quality attachments through the document picker
// it's more imporant that we ensure the sent format is one all clients can accept (e.g. *not* quicktime .mov)
if ([SignalAttachment isInvalidVideoWithDataSource:dataSource dataUTI:type]) {
[self sendQualityAdjustedAttachmentForVideo:url filename:filename skipApprovalDialog:NO];
return;
}
// "Document picker" attachments _SHOULD NOT_ be resized, if possible.
SignalAttachment *attachment =
[SignalAttachment attachmentWithDataSource:dataSource dataUTI:type imageQuality:TSImageQualityOriginal];
[self tryToSendAttachmentIfApproved:attachment];
}
#pragma mark - UIImagePickerController
/*
* Presenting UIImagePickerController
*/
- (void)takePictureOrVideo
{
[self ows_askForCameraPermissions:^(BOOL granted) {
if (!granted) {
OWSLogWarn(@"camera permission denied.");
return;
}
UIImagePickerController *picker = [UIImagePickerController new];
picker.sourceType = UIImagePickerControllerSourceTypeCamera;
picker.mediaTypes = @[ (__bridge NSString *)kUTTypeImage, (__bridge NSString *)kUTTypeMovie ];
picker.allowsEditing = NO;
picker.delegate = self;
[self dismissKeyBoard];
[self presentViewController:picker animated:YES completion:nil];
}];
}
- (void)chooseFromLibraryAsDocument
{
OWSAssertIsOnMainThread();
[self chooseFromLibraryAsDocument:YES];
}
- (void)chooseFromLibraryAsMedia
{
OWSAssertIsOnMainThread();
[self chooseFromLibraryAsDocument:NO];
}
- (void)chooseFromLibraryAsDocument:(BOOL)shouldTreatAsDocument
{
OWSAssertIsOnMainThread();
self.isPickingMediaAsDocument = shouldTreatAsDocument;
[self ows_askForMediaLibraryPermissions:^(BOOL granted) {
if (!granted) {
OWSLogWarn(@"Media Library permission denied.");
return;
}
UIImagePickerController *picker = [UIImagePickerController new];
picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
picker.delegate = self;
picker.mediaTypes = @[ (__bridge NSString *)kUTTypeImage, (__bridge NSString *)kUTTypeMovie ];
[self dismissKeyBoard];
[self presentViewController:picker animated:YES completion:nil];
}];
}
/*
* Dismissing UIImagePickerController
*/
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[self dismissViewControllerAnimated:YES completion:nil];
}
- (void)resetFrame
{
// fixes bug on frame being off after this selection
CGRect frame = [UIScreen mainScreen].bounds;
self.view.frame = frame;
}
/*
* Fetching data from UIImagePickerController
*/
- (void)imagePickerController:(UIImagePickerController *)picker
didFinishPickingMediaWithInfo:(NSDictionary<NSString *, id> *)info
{
[self resetFrame];
NSURL *referenceURL = [info valueForKey:UIImagePickerControllerReferenceURL];
if (!referenceURL) {
OWSLogVerbose(@"Could not retrieve reference URL for picked asset");
[self imagePickerController:picker didFinishPickingMediaWithInfo:info filename:nil];
return;
}
ALAssetsLibraryAssetForURLResultBlock resultblock = ^(ALAsset *imageAsset) {
ALAssetRepresentation *imageRep = [imageAsset defaultRepresentation];
NSString *filename = [imageRep filename];
[self imagePickerController:picker didFinishPickingMediaWithInfo:info filename:filename];
};
ALAssetsLibrary *assetslibrary = [[ALAssetsLibrary alloc] init];
[assetslibrary assetForURL:referenceURL
resultBlock:resultblock
failureBlock:^(NSError *error) {
OWSCFailDebug(@"Error retrieving filename for asset: %@", error);
}];
}
- (void)imagePickerController:(UIImagePickerController *)picker
didFinishPickingMediaWithInfo:(NSDictionary<NSString *, id> *)info
filename:(NSString *_Nullable)filename
{
OWSAssertIsOnMainThread();
void (^failedToPickAttachment)(NSError *error) = ^void(NSError *error) {
OWSLogError(@"failed to pick attachment with error: %@", error);
};
NSString *mediaType = info[UIImagePickerControllerMediaType];
if ([mediaType isEqualToString:(__bridge NSString *)kUTTypeMovie]) {
// Video picked from library or captured with camera
NSURL *videoURL = info[UIImagePickerControllerMediaURL];
[self dismissViewControllerAnimated:YES
completion:^{
[self sendQualityAdjustedAttachmentForVideo:videoURL
filename:filename
skipApprovalDialog:NO];
}];
} else if (picker.sourceType == UIImagePickerControllerSourceTypeCamera) {
// Static Image captured from camera
UIImage *imageFromCamera = [info[UIImagePickerControllerOriginalImage] normalizedImage];
[self dismissViewControllerAnimated:YES
completion:^{
OWSAssertIsOnMainThread();
if (imageFromCamera) {
// "Camera" attachments _SHOULD_ be resized, if possible.
SignalAttachment *attachment =
[SignalAttachment imageAttachmentWithImage:imageFromCamera
dataUTI:(NSString *)kUTTypeJPEG
filename:filename
imageQuality:TSImageQualityCompact];
if (!attachment || [attachment hasError]) {
OWSLogWarn(@"Invalid attachment: %@.",
attachment ? [attachment errorName] : @"Missing data");
[self showErrorAlertForAttachment:attachment];
failedToPickAttachment(nil);
} else {
[self tryToSendAttachmentIfApproved:attachment skipApprovalDialog:NO];
}
} else {
failedToPickAttachment(nil);
}
}];
} else {
// Non-Video image picked from library
// To avoid re-encoding GIF and PNG's as JPEG we have to get the raw data of
// the selected item vs. using the UIImagePickerControllerOriginalImage
NSURL *assetURL = info[UIImagePickerControllerReferenceURL];
PHAsset *asset = [[PHAsset fetchAssetsWithALAssetURLs:@[ assetURL ] options:nil] lastObject];
if (!asset) {
return failedToPickAttachment(nil);
}
// Images chosen from the "attach document" UI should be sent as originals;
// images chosen from the "attach media" UI should be resized to "medium" size;
TSImageQuality imageQuality = (self.isPickingMediaAsDocument ? TSImageQualityOriginal : TSImageQualityMedium);
PHImageRequestOptions *options = [[PHImageRequestOptions alloc] init];
options.synchronous = YES; // We're only fetching one asset.
options.networkAccessAllowed = YES; // iCloud OK
options.deliveryMode = PHImageRequestOptionsDeliveryModeHighQualityFormat; // Don't need quick/dirty version
[[PHImageManager defaultManager]
requestImageDataForAsset:asset
options:options
resultHandler:^(NSData *_Nullable imageData,
NSString *_Nullable dataUTI,
UIImageOrientation orientation,
NSDictionary *_Nullable assetInfo) {
NSError *assetFetchingError = assetInfo[PHImageErrorKey];
if (assetFetchingError || !imageData) {
return failedToPickAttachment(assetFetchingError);
}
OWSAssertIsOnMainThread();
DataSource *_Nullable dataSource =
[DataSourceValue dataSourceWithData:imageData utiType:dataUTI];
[dataSource setSourceFilename:filename];
SignalAttachment *attachment = [SignalAttachment attachmentWithDataSource:dataSource
dataUTI:dataUTI
imageQuality:imageQuality];
[self dismissViewControllerAnimated:YES
completion:^{
OWSAssertIsOnMainThread();
if (!attachment || [attachment hasError]) {
OWSLogWarn(@"Invalid attachment: %@.",
attachment ? [attachment errorName] : @"Missing data");
[self showErrorAlertForAttachment:attachment];
failedToPickAttachment(nil);
} else {
[self tryToSendAttachmentIfApproved:attachment];
}
}];
}];
}
}
- (void)sendMessageAttachment:(SignalAttachment *)attachment
{
OWSAssertIsOnMainThread();
// TODO: Should we assume non-nil or should we check for non-nil?
OWSAssertDebug(attachment != nil);
OWSAssertDebug(![attachment hasError]);
OWSAssertDebug([attachment mimeType].length > 0);
OWSLogVerbose(@"Sending attachment. Size in bytes: %lu, contentType: %@",
(unsigned long)[attachment dataLength],
[attachment mimeType]);
BOOL didAddToProfileWhitelist = [ThreadUtil addThreadToProfileWhitelistIfEmptyContactThread:self.thread];
TSOutgoingMessage *message = [ThreadUtil enqueueMessageWithAttachment:attachment
inThread:self.thread
quotedReplyModel:self.inputToolbar.quotedReply];
[self messageWasSent:message];
if (didAddToProfileWhitelist) {
[self ensureDynamicInteractions];
}
}
- (void)sendContactShare:(ContactShareViewModel *)contactShare
{
OWSAssertIsOnMainThread();
OWSAssertDebug(contactShare);
OWSLogVerbose(@"Sending contact share.");
BOOL didAddToProfileWhitelist = [ThreadUtil addThreadToProfileWhitelistIfEmptyContactThread:self.thread];
[self.editingDatabaseConnection
asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
// TODO - in line with QuotedReply and other message attachments, saving should happen as part of sending
// preparation rather than duplicated here and in the SAE
if (contactShare.avatarImage) {
[contactShare.dbRecord saveAvatarImage:contactShare.avatarImage transaction:transaction];
}
}
completionBlock:^{
TSOutgoingMessage *message =
[ThreadUtil enqueueMessageWithContactShare:contactShare.dbRecord inThread:self.thread];
[self messageWasSent:message];
if (didAddToProfileWhitelist) {
[self ensureDynamicInteractions];
}
}];
}
- (void)sendQualityAdjustedAttachmentForVideo:(NSURL *)movieURL
filename:(nullable NSString *)filename
skipApprovalDialog:(BOOL)skipApprovalDialog
{
OWSAssertIsOnMainThread();
[ModalActivityIndicatorViewController
presentFromViewController:self
canCancel:YES
backgroundBlock:^(ModalActivityIndicatorViewController *modalActivityIndicator) {
DataSource *dataSource =
[DataSourcePath dataSourceWithURL:movieURL shouldDeleteOnDeallocation:NO];
dataSource.sourceFilename = filename;
VideoCompressionResult *compressionResult =
[SignalAttachment compressVideoAsMp4WithDataSource:dataSource
dataUTI:(NSString *)kUTTypeMPEG4];
[compressionResult.attachmentPromise retainUntilComplete];
compressionResult.attachmentPromise.then(^(SignalAttachment *attachment) {
OWSAssertIsOnMainThread();
OWSAssertDebug([attachment isKindOfClass:[SignalAttachment class]]);
if (modalActivityIndicator.wasCancelled) {
return;
}
[modalActivityIndicator dismissWithCompletion:^{
if (!attachment || [attachment hasError]) {
OWSLogError(@"Invalid attachment: %@.",
attachment ? [attachment errorName] : @"Missing data");
[self showErrorAlertForAttachment:attachment];
} else {
[self tryToSendAttachmentIfApproved:attachment skipApprovalDialog:skipApprovalDialog];
}
}];
});
}];
}
#pragma mark - Storage access
- (YapDatabaseConnection *)uiDatabaseConnection
{
return OWSPrimaryStorage.sharedManager.uiDatabaseConnection;
}
- (YapDatabaseConnection *)editingDatabaseConnection
{
return OWSPrimaryStorage.sharedManager.dbReadWriteConnection;
}
- (void)uiDatabaseDidUpdateExternally:(NSNotification *)notification
{
OWSAssertIsOnMainThread();
OWSLogVerbose(@"");
if (self.shouldObserveDBModifications) {
// External database modifications can't be converted into incremental updates,
// so rebuild everything. This is expensive and usually isn't necessary, but
// there's no alternative.
//
// We don't need to do this if we're not observing db modifications since we'll
// do it when we resume.
[self resetMappings];
}
}
- (void)uiDatabaseWillUpdate:(NSNotification *)notification
{
// HACK to work around radar #28167779
// "UICollectionView performBatchUpdates can trigger a crash if the collection view is flagged for layout"
// more: https://github.com/PSPDFKit-labs/radar.apple.com/tree/master/28167779%20-%20CollectionViewBatchingIssue
// This was our #2 crash, and much exacerbated by the refactoring somewhere between 2.6.2.0-2.6.3.8
//
// NOTE: It's critical we do this before beginLongLivedReadTransaction.
// We want to relayout our contents using the old message mappings and
// view items before they are updated.
[self.collectionView layoutIfNeeded];
// ENDHACK to work around radar #28167779
}
- (void)uiDatabaseDidUpdate:(NSNotification *)notification
{
OWSAssertIsOnMainThread();
if (!self.shouldObserveDBModifications) {
return;
}
OWSLogVerbose(@"");
NSArray *notifications = notification.userInfo[OWSUIDatabaseConnectionNotificationsKey];
OWSAssertDebug([notifications isKindOfClass:[NSArray class]]);
[self updateBackButtonUnreadCount];
[self updateNavigationBarSubtitleLabel];
if (self.isGroupConversation) {
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
[self.thread reloadWithTransaction:transaction];
}];
[self updateNavigationTitle];
}
[self updateDisappearingMessagesConfiguration];
if (![[self.uiDatabaseConnection ext:TSMessageDatabaseViewExtensionName] hasChangesForGroup:self.thread.uniqueId
inNotifications:notifications]) {
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
[self.messageMappings updateWithTransaction:transaction];
}];
return;
}
NSArray<YapDatabaseViewSectionChange *> *sectionChanges = nil;
NSArray<YapDatabaseViewRowChange *> *rowChanges = nil;
[[self.uiDatabaseConnection ext:TSMessageDatabaseViewExtensionName] getSectionChanges:&sectionChanges
rowChanges:&rowChanges
forNotifications:notifications
withMappings:self.messageMappings];
if ([sectionChanges count] == 0 && [rowChanges count] == 0) {
// YapDatabase will ignore insertions within the message mapping's
// range that are not within the current mapping's contents. We
// may need to extend the mapping's contents to reflect the current
// range.
[self updateMessageMappingRangeOptions];
// Calling resetContentAndLayout is a bit expensive.
// Since by definition this won't affect any cells in the previous
// range, it should be sufficient to call invalidateLayout.
//
// TODO: Investigate whether we can just call invalidateLayout.
[self resetContentAndLayout];
return;
}
// We need to reload any modified interactions _before_ we call
// reloadViewItems.
BOOL hasMalformedRowChange = NO;
for (YapDatabaseViewRowChange *rowChange in rowChanges) {
switch (rowChange.type) {
case YapDatabaseViewChangeUpdate: {
YapCollectionKey *collectionKey = rowChange.collectionKey;
if (collectionKey.key) {
id<ConversationViewItem> _Nullable viewItem = self.viewItemCache[collectionKey.key];
if (viewItem) {
[self reloadInteractionForViewItem:viewItem];
} else {
hasMalformedRowChange = YES;
}
} else if (rowChange.indexPath && rowChange.originalIndex < self.viewItems.count) {
// Do nothing, this is a pseudo-update generated due to
// setCellDrawingDependencyOffsets.
OWSAssertDebug(rowChange.changes == YapDatabaseViewChangedDependency);
} else {
hasMalformedRowChange = YES;
}
break;
}
case YapDatabaseViewChangeDelete: {
// Discard cached view items after deletes.
YapCollectionKey *collectionKey = rowChange.collectionKey;
if (collectionKey.key) {
[self.viewItemCache removeObjectForKey:collectionKey.key];
} else {
hasMalformedRowChange = YES;
}
break;
}
default:
break;
}
if (hasMalformedRowChange) {
break;
}
}
if (hasMalformedRowChange) {
// These errors seems to be very rare; they can only be reproduced
// using the more extreme actions in the debug UI.
OWSFailDebug(@"hasMalformedRowChange");
[self resetMappings];
[self updateLastVisibleTimestamp];
[self scrollToBottomAnimated:NO];
return;
}
NSUInteger oldViewItemCount = self.viewItems.count;
if (![self reloadViewItems]) {
// These errors are rare.
OWSFailDebug(@"could not reload view items; hard resetting message mappings.");
[self resetMappings];
[self updateLastVisibleTimestamp];
[self scrollToBottomAnimated:NO];
return;
}
BOOL wasAtBottom = [self isScrolledToBottom];
// We want sending messages to feel snappy. So, if the only
// update is a new outgoing message AND we're already scrolled to
// the bottom of the conversation, skip the scroll animation.
__block BOOL shouldAnimateScrollToBottom = !wasAtBottom;
// We want to scroll to the bottom if the user:
//
// a) already was at the bottom of the conversation.
// b) is inserting new interactions.
__block BOOL scrollToBottom = wasAtBottom;
void (^batchUpdates)(void) = ^{
for (YapDatabaseViewRowChange *rowChange in rowChanges) {
switch (rowChange.type) {
case YapDatabaseViewChangeDelete: {
OWSLogVerbose(@"YapDatabaseViewChangeDelete collectionKey: %@, indexPath: %@, finalIndex: %lu",
rowChange.collectionKey,
rowChange.indexPath,
(unsigned long)rowChange.finalIndex);
[self.collectionView deleteItemsAtIndexPaths:@[ rowChange.indexPath ]];
YapCollectionKey *collectionKey = rowChange.collectionKey;
OWSAssertDebug(collectionKey.key.length > 0);
break;
}
case YapDatabaseViewChangeInsert: {
OWSLogVerbose(@"YapDatabaseViewChangeInsert collectionKey: %@, newIndexPath: %@, finalIndex: %lu",
rowChange.collectionKey,
rowChange.newIndexPath,
(unsigned long)rowChange.finalIndex);
[self.collectionView insertItemsAtIndexPaths:@[ rowChange.newIndexPath ]];
id<ConversationViewItem> _Nullable viewItem =
[self viewItemForIndex:(NSInteger)rowChange.finalIndex];
if ([viewItem.interaction isKindOfClass:[TSOutgoingMessage class]]) {
TSOutgoingMessage *outgoingMessage = (TSOutgoingMessage *)viewItem.interaction;
if (!outgoingMessage.isFromLinkedDevice) {
scrollToBottom = YES;
shouldAnimateScrollToBottom = NO;
}
}
break;
}
case YapDatabaseViewChangeMove: {
OWSLogVerbose(@"YapDatabaseViewChangeMove collectionKey: %@, indexPath: %@, newIndexPath: %@, "
@"finalIndex: %lu",
rowChange.collectionKey,
rowChange.indexPath,
rowChange.newIndexPath,
(unsigned long)rowChange.finalIndex);
[self.collectionView moveItemAtIndexPath:rowChange.indexPath toIndexPath:rowChange.newIndexPath];
break;
}
case YapDatabaseViewChangeUpdate: {
OWSLogVerbose(@"YapDatabaseViewChangeUpdate collectionKey: %@, indexPath: %@, finalIndex: %lu",
rowChange.collectionKey,
rowChange.indexPath,
(unsigned long)rowChange.finalIndex);
[self.collectionView reloadItemsAtIndexPaths:@[ rowChange.indexPath ]];
break;
}
}
}
};
OWSLogVerbose(@"self.viewItems.count: %zd -> %zd", oldViewItemCount, self.viewItems.count);
BOOL shouldAnimateUpdates = [self shouldAnimateRowUpdates:rowChanges oldViewItemCount:oldViewItemCount];
void (^batchUpdatesCompletion)(BOOL) = ^(BOOL finished) {
OWSAssertIsOnMainThread();
if (!finished) {
OWSLogInfo(@"performBatchUpdates did not finish");
}
[self updateLastVisibleTimestamp];
if (scrollToBottom && shouldAnimateUpdates) {
[self scrollToBottomAnimated:shouldAnimateScrollToBottom];
}
};
@try {
if (shouldAnimateUpdates) {
[self.collectionView performBatchUpdates:batchUpdates completion:batchUpdatesCompletion];
} else {
// HACK: We use `UIView.animateWithDuration:0` rather than `UIView.performWithAnimation` to work around a
// UIKit Crash like:
//
// *** Assertion failure in -[ConversationViewLayout prepareForCollectionViewUpdates:],
// /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKit_Sim/UIKit-3600.7.47/UICollectionViewLayout.m:760
// *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'While
// preparing update a visible view at <NSIndexPath: 0xc000000011c00016> {length = 2, path = 0 - 142}
// wasn't found in the current data model and was not in an update animation. This is an internal
// error.'
//
// I'm unclear if this is a bug in UIKit, or if we're doing something crazy in
// ConversationViewLayout#prepareLayout. To reproduce, rapidily insert and delete items into the
// conversation. See `DebugUIMessages#thrashCellsInThread:`
[UIView
animateWithDuration:0.0
animations:^{
[self.collectionView performBatchUpdates:batchUpdates completion:batchUpdatesCompletion];
if (scrollToBottom) {
[self scrollToBottomAnimated:shouldAnimateUpdates];
}
}];
}
} @catch (NSException *exception) {
OWSFailDebug(@"exception: %@ of type: %@ with reason: %@, user info: %@.",
exception.description,
exception.name,
exception.reason,
exception.userInfo);
for (YapDatabaseViewRowChange *rowChange in rowChanges) {
switch (rowChange.type) {
case YapDatabaseViewChangeDelete:
OWSLogWarn(@"YapDatabaseViewChangeDelete collectionKey: %@, indexPath: %@, finalIndex: %lu",
rowChange.collectionKey,
rowChange.indexPath,
(unsigned long)rowChange.finalIndex);
break;
case YapDatabaseViewChangeInsert:
OWSLogWarn(@"YapDatabaseViewChangeInsert collectionKey: %@, newIndexPath: %@, finalIndex: %lu",
rowChange.collectionKey,
rowChange.newIndexPath,
(unsigned long)rowChange.finalIndex);
break;
case YapDatabaseViewChangeMove:
OWSLogWarn(@"YapDatabaseViewChangeMove collectionKey: %@, indexPath: %@, finalIndex: %@, "
@"finalIndex: %lu",
rowChange.collectionKey,
rowChange.indexPath,
rowChange.newIndexPath,
(unsigned long)rowChange.finalIndex);
break;
case YapDatabaseViewChangeUpdate:
OWSLogWarn(@"YapDatabaseViewChangeUpdate collectionKey: %@, indexPath: %@, finalIndex: %lu, "
@"isDependency: %d",
rowChange.collectionKey,
rowChange.indexPath,
(unsigned long)rowChange.finalIndex,
rowChange.changes == YapDatabaseViewChangedDependency);
break;
}
}
@throw exception;
}
self.lastReloadDate = [NSDate new];
}
- (BOOL)shouldAnimateRowUpdates:(NSArray<YapDatabaseViewRowChange *> *)rowChanges
oldViewItemCount:(NSUInteger)oldViewItemCount
{
OWSAssertDebug(rowChanges);
// If user sends a new outgoing message, don't animate the change.
BOOL isOnlyModifyingLastMessage = YES;
for (YapDatabaseViewRowChange *rowChange in rowChanges) {
switch (rowChange.type) {
case YapDatabaseViewChangeDelete:
isOnlyModifyingLastMessage = NO;
break;
case YapDatabaseViewChangeInsert: {
id<ConversationViewItem> _Nullable viewItem = [self viewItemForIndex:(NSInteger)rowChange.finalIndex];
if (([viewItem.interaction isKindOfClass:[TSIncomingMessage class]] ||
[viewItem.interaction isKindOfClass:[TSOutgoingMessage class]])
&& rowChange.finalIndex >= oldViewItemCount) {
continue;
}
isOnlyModifyingLastMessage = NO;
break;
}
case YapDatabaseViewChangeMove:
isOnlyModifyingLastMessage = NO;
break;
case YapDatabaseViewChangeUpdate: {
if (rowChange.changes == YapDatabaseViewChangedDependency) {
continue;
}
id<ConversationViewItem> _Nullable viewItem = [self viewItemForIndex:(NSInteger)rowChange.finalIndex];
if (([viewItem.interaction isKindOfClass:[TSIncomingMessage class]] ||
[viewItem.interaction isKindOfClass:[TSOutgoingMessage class]])
&& rowChange.finalIndex >= oldViewItemCount) {
continue;
}
isOnlyModifyingLastMessage = NO;
break;
}
}
}
BOOL shouldAnimateRowUpdates = !isOnlyModifyingLastMessage;
return shouldAnimateRowUpdates;
}
- (BOOL)isScrolledToBottom
{
CGFloat contentHeight = self.safeContentHeight;
// This is a bit subtle.
//
// The _wrong_ way to determine if we're scrolled to the bottom is to
// measure whether the collection view's content is "near" the bottom edge
// of the collection view. This is wrong because the collection view
// might not have enough content to fill the collection view's bounds
// _under certain conditions_ (e.g. with the keyboard dismissed).
//
// What we're really interested in is something a bit more subtle:
// "Is the scroll view scrolled down as far as it can, "at rest".
//
// To determine that, we find the appropriate "content offset y" if
// the scroll view were scrolled down as far as possible. IFF the
// actual "content offset y" is "near" that value, we return YES.
const CGFloat kIsAtBottomTolerancePts = 5;
// Note the usage of MAX() to handle the case where there isn't enough
// content to fill the collection view at its current size.
CGFloat contentOffsetYBottom
= MAX(0.f, contentHeight + self.collectionView.contentInset.bottom - self.collectionView.bounds.size.height);
CGFloat distanceFromBottom = contentOffsetYBottom - self.collectionView.contentOffset.y;
BOOL isScrolledToBottom = distanceFromBottom <= kIsAtBottomTolerancePts;
return isScrolledToBottom;
}
#pragma mark - Audio
- (void)requestRecordingVoiceMemo
{
OWSAssertIsOnMainThread();
NSUUID *voiceMessageUUID = [NSUUID UUID];
self.voiceMessageUUID = voiceMessageUUID;
__weak typeof(self) weakSelf = self;
[self ows_askForMicrophonePermissions:^(BOOL granted) {
__strong typeof(self) strongSelf = weakSelf;
if (!strongSelf) {
return;
}
if (strongSelf.voiceMessageUUID != voiceMessageUUID) {
// This voice message recording has been cancelled
// before recording could begin.
return;
}
if (granted) {
[strongSelf startRecordingVoiceMemo];
} else {
OWSLogInfo(@"we do not have recording permission.");
[strongSelf cancelVoiceMemo];
[OWSAlerts showNoMicrophonePermissionAlert];
}
}];
}
- (void)startRecordingVoiceMemo
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"startRecordingVoiceMemo");
// Cancel any ongoing audio playback.
[self.audioAttachmentPlayer stop];
self.audioAttachmentPlayer = nil;
NSString *temporaryDirectory = OWSTemporaryDirectory();
NSString *filename = [NSString stringWithFormat:@"%lld.m4a", [NSDate ows_millisecondTimeStamp]];
NSString *filepath = [temporaryDirectory stringByAppendingPathComponent:filename];
NSURL *fileURL = [NSURL fileURLWithPath:filepath];
// Setup audio session
BOOL configuredAudio = [self.audioSession startAudioActivity:self.recordVoiceNoteAudioActivity];
if (!configuredAudio) {
OWSFailDebug(@"Couldn't configure audio session");
[self cancelVoiceMemo];
return;
}
NSError *error;
// Initiate and prepare the recorder
self.audioRecorder = [[AVAudioRecorder alloc] initWithURL:fileURL
settings:@{
AVFormatIDKey : @(kAudioFormatMPEG4AAC),
AVSampleRateKey : @(44100),
AVNumberOfChannelsKey : @(2),
AVEncoderBitRateKey : @(128 * 1024),
}
error:&error];
if (error) {
OWSFailDebug(@"Couldn't create audioRecorder: %@", error);
[self cancelVoiceMemo];
return;
}
self.audioRecorder.meteringEnabled = YES;
if (![self.audioRecorder prepareToRecord]) {
OWSFailDebug(@"audioRecorder couldn't prepareToRecord.");
[self cancelVoiceMemo];
return;
}
if (![self.audioRecorder record]) {
OWSFailDebug(@"audioRecorder couldn't record.");
[self cancelVoiceMemo];
return;
}
}
- (void)endRecordingVoiceMemo
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"endRecordingVoiceMemo");
self.voiceMessageUUID = nil;
if (!self.audioRecorder) {
// No voice message recording is in progress.
// We may be cancelling before the recording could begin.
OWSLogError(@"Missing audioRecorder");
return;
}
NSTimeInterval durationSeconds = self.audioRecorder.currentTime;
[self stopRecording];
const NSTimeInterval kMinimumRecordingTimeSeconds = 1.f;
if (durationSeconds < kMinimumRecordingTimeSeconds) {
OWSLogInfo(@"Discarding voice message; too short.");
self.audioRecorder = nil;
[self dismissKeyBoard];
[OWSAlerts
showAlertWithTitle:
NSLocalizedString(@"VOICE_MESSAGE_TOO_SHORT_ALERT_TITLE",
@"Title for the alert indicating the 'voice message' needs to be held to be held down to record.")
message:NSLocalizedString(@"VOICE_MESSAGE_TOO_SHORT_ALERT_MESSAGE",
@"Message for the alert indicating the 'voice message' needs to be held to be held "
@"down to record.")];
return;
}
DataSource *_Nullable dataSource =
[DataSourcePath dataSourceWithURL:self.audioRecorder.url shouldDeleteOnDeallocation:YES];
self.audioRecorder = nil;
if (!dataSource) {
OWSFailDebug(@"Couldn't load audioRecorder data");
self.audioRecorder = nil;
return;
}
NSString *filename = [NSLocalizedString(@"VOICE_MESSAGE_FILE_NAME", @"Filename for voice messages.")
stringByAppendingPathExtension:@"m4a"];
[dataSource setSourceFilename:filename];
SignalAttachment *attachment =
[SignalAttachment voiceMessageAttachmentWithDataSource:dataSource dataUTI:(NSString *)kUTTypeMPEG4Audio];
OWSLogVerbose(@"voice memo duration: %f, file size: %zd", durationSeconds, [dataSource dataLength]);
if (!attachment || [attachment hasError]) {
OWSLogWarn(@"Invalid attachment: %@.", attachment ? [attachment errorName] : @"Missing data");
[self showErrorAlertForAttachment:attachment];
} else {
[self tryToSendAttachmentIfApproved:attachment skipApprovalDialog:YES];
}
}
- (void)stopRecording
{
[self.audioRecorder stop];
[self.audioSession endAudioActivity:self.recordVoiceNoteAudioActivity];
}
- (void)cancelRecordingVoiceMemo
{
OWSAssertIsOnMainThread();
OWSLogDebug(@"cancelRecordingVoiceMemo");
[self stopRecording];
self.audioRecorder = nil;
self.voiceMessageUUID = nil;
[self.typingIndicators didStopTypeOutgoingInputInThread:self.thread];
}
- (void)setAudioRecorder:(nullable AVAudioRecorder *)audioRecorder
{
// Prevent device from sleeping while recording a voice message.
if (audioRecorder) {
[DeviceSleepManager.sharedInstance addBlockWithBlockObject:audioRecorder];
} else if (_audioRecorder) {
[DeviceSleepManager.sharedInstance removeBlockWithBlockObject:_audioRecorder];
}
_audioRecorder = audioRecorder;
}
#pragma mark Accessory View
- (void)attachmentButtonPressed
{
[self dismissKeyBoard];
__weak ConversationViewController *weakSelf = self;
if ([self isBlockedConversation]) {
[self showUnblockConversationUI:^(BOOL isBlocked) {
if (!isBlocked) {
[weakSelf attachmentButtonPressed];
}
}];
return;
}
BOOL didShowSNAlert =
[self showSafetyNumberConfirmationIfNecessaryWithConfirmationText:
NSLocalizedString(@"CONFIRMATION_TITLE", @"Generic button text to proceed with an action")
completion:^(BOOL didConfirmIdentity) {
if (didConfirmIdentity) {
[weakSelf attachmentButtonPressed];
}
}];
if (didShowSNAlert) {
return;
}
UIAlertController *actionSheetController =
[UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleActionSheet];
[actionSheetController addAction:[OWSAlerts cancelAction]];
UIAlertAction *takeMediaAction = [UIAlertAction
actionWithTitle:NSLocalizedString(@"MEDIA_FROM_CAMERA_BUTTON", @"media picker option to take photo or video")
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
[self takePictureOrVideo];
}];
UIImage *takeMediaImage = [UIImage imageNamed:@"actionsheet_camera_black"];
OWSAssertDebug(takeMediaImage);
[takeMediaAction setValue:takeMediaImage forKey:@"image"];
[actionSheetController addAction:takeMediaAction];
UIAlertAction *chooseMediaAction = [UIAlertAction
actionWithTitle:NSLocalizedString(@"MEDIA_FROM_LIBRARY_BUTTON", @"media picker option to choose from library")
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
[self chooseFromLibraryAsMedia];
}];
UIImage *chooseMediaImage = [UIImage imageNamed:@"actionsheet_camera_roll_black"];
OWSAssertDebug(chooseMediaImage);
[chooseMediaAction setValue:chooseMediaImage forKey:@"image"];
[actionSheetController addAction:chooseMediaAction];
UIAlertAction *gifAction = [UIAlertAction
actionWithTitle:NSLocalizedString(@"SELECT_GIF_BUTTON", @"Label for 'select GIF to attach' action sheet button")
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
[self showGifPicker];
}];
UIImage *gifImage = [UIImage imageNamed:@"actionsheet_gif_black"];
OWSAssertDebug(gifImage);
[gifAction setValue:gifImage forKey:@"image"];
[actionSheetController addAction:gifAction];
UIAlertAction *chooseDocumentAction =
[UIAlertAction actionWithTitle:NSLocalizedString(@"MEDIA_FROM_DOCUMENT_PICKER_BUTTON",
@"action sheet button title when choosing attachment type")
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
[self showAttachmentDocumentPickerMenu];
}];
UIImage *chooseDocumentImage = [UIImage imageNamed:@"actionsheet_document_black"];
OWSAssertDebug(chooseDocumentImage);
[chooseDocumentAction setValue:chooseDocumentImage forKey:@"image"];
[actionSheetController addAction:chooseDocumentAction];
if (kIsSendingContactSharesEnabled) {
UIAlertAction *chooseContactAction =
[UIAlertAction actionWithTitle:NSLocalizedString(@"ATTACHMENT_MENU_CONTACT_BUTTON",
@"attachment menu option to send contact")
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
[self chooseContactForSending];
}];
UIImage *chooseContactImage = [UIImage imageNamed:@"actionsheet_contact"];
OWSAssertDebug(takeMediaImage);
[chooseContactAction setValue:chooseContactImage forKey:@"image"];
[actionSheetController addAction:chooseContactAction];
}
[self dismissKeyBoard];
[self presentViewController:actionSheetController animated:true completion:nil];
[self.typingIndicators didStartTypeOutgoingInputInThread:self.thread];
}
- (nullable NSIndexPath *)lastVisibleIndexPath
{
NSIndexPath *_Nullable lastVisibleIndexPath = nil;
for (NSIndexPath *indexPath in [self.collectionView indexPathsForVisibleItems]) {
if (!lastVisibleIndexPath || indexPath.row > lastVisibleIndexPath.row) {
lastVisibleIndexPath = indexPath;
}
}
if (lastVisibleIndexPath && lastVisibleIndexPath.row >= (NSInteger)self.viewItems.count) {
return (self.viewItems.count > 0 ? [NSIndexPath indexPathForRow:(NSInteger)self.viewItems.count - 1 inSection:0]
: nil);
}
return lastVisibleIndexPath;
}
- (nullable id<ConversationViewItem>)lastVisibleViewItem
{
NSIndexPath *_Nullable lastVisibleIndexPath = [self lastVisibleIndexPath];
if (!lastVisibleIndexPath) {
return nil;
}
return [self viewItemForIndex:lastVisibleIndexPath.row];
}
// In the case where we explicitly scroll to bottom, we want to synchronously
// update the UI to reflect that, since the "mark as read" logic is asynchronous
// and won't update the UI state immediately.
- (void)didScrollToBottom
{
id<ConversationViewItem> _Nullable lastVisibleViewItem = [self.viewItems lastObject];
if (lastVisibleViewItem) {
uint64_t lastVisibleTimestamp = lastVisibleViewItem.interaction.timestampForSorting;
self.lastVisibleTimestamp = MAX(self.lastVisibleTimestamp, lastVisibleTimestamp);
}
self.scrollDownButton.hidden = YES;
self.hasUnreadMessages = NO;
}
- (void)updateLastVisibleTimestamp
{
id<ConversationViewItem> _Nullable lastVisibleViewItem = [self lastVisibleViewItem];
if (lastVisibleViewItem) {
uint64_t lastVisibleTimestamp = lastVisibleViewItem.interaction.timestampForSorting;
self.lastVisibleTimestamp = MAX(self.lastVisibleTimestamp, lastVisibleTimestamp);
}
[self ensureScrollDownButton];
__block NSUInteger numberOfUnreadMessages;
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
numberOfUnreadMessages =
[[transaction ext:TSUnreadDatabaseViewExtensionName] numberOfItemsInGroup:self.thread.uniqueId];
}];
self.hasUnreadMessages = numberOfUnreadMessages > 0;
}
- (void)updateLastVisibleTimestamp:(uint64_t)timestamp
{
OWSAssertDebug(timestamp > 0);
self.lastVisibleTimestamp = MAX(self.lastVisibleTimestamp, timestamp);
[self ensureScrollDownButton];
}
- (void)markVisibleMessagesAsRead
{
if (self.presentedViewController) {
OWSLogInfo(@"Not marking messages as read; another view is presented.");
return;
}
if (OWSWindowManager.sharedManager.shouldShowCallView) {
OWSLogInfo(@"Not marking messages as read; call view is presented.");
return;
}
if (self.navigationController.topViewController != self) {
OWSLogInfo(@"Not marking messages as read; another view is pushed.");
return;
}
[self updateLastVisibleTimestamp];
uint64_t lastVisibleTimestamp = self.lastVisibleTimestamp;
if (lastVisibleTimestamp == 0) {
// No visible messages yet. New Thread.
return;
}
[OWSReadReceiptManager.sharedManager markAsReadLocallyBeforeTimestamp:lastVisibleTimestamp thread:self.thread];
}
- (void)updateGroupModelTo:(TSGroupModel *)newGroupModel successCompletion:(void (^_Nullable)(void))successCompletion
{
__block TSGroupThread *groupThread;
__block TSOutgoingMessage *message;
[self.editingDatabaseConnection readWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
groupThread = [TSGroupThread getOrCreateThreadWithGroupModel:newGroupModel transaction:transaction];
NSString *updateGroupInfo =
[groupThread.groupModel getInfoStringAboutUpdateTo:newGroupModel contactsManager:self.contactsManager];
groupThread.groupModel = newGroupModel;
[groupThread saveWithTransaction:transaction];
uint32_t expiresInSeconds = [groupThread disappearingMessagesDurationWithTransaction:transaction];
message = [TSOutgoingMessage outgoingMessageInThread:groupThread
groupMetaMessage:TSGroupMetaMessageUpdate
expiresInSeconds:expiresInSeconds];
[message updateWithCustomMessage:updateGroupInfo transaction:transaction];
}];
[groupThread fireAvatarChangedNotification];
if (newGroupModel.groupImage) {
NSData *data = UIImagePNGRepresentation(newGroupModel.groupImage);
DataSource *_Nullable dataSource = [DataSourceValue dataSourceWithData:data fileExtension:@"png"];
// DURABLE CLEANUP - currently one caller uses the completion handler to delete the tappable error message
// which causes this code to be called. Once we're more aggressive about durable sending retry,
// we could get rid of this "retryable tappable error message".
[self.messageSender sendTemporaryAttachment:dataSource
contentType:OWSMimeTypeImagePng
inMessage:message
success:^{
OWSLogDebug(@"Successfully sent group update with avatar");
if (successCompletion) {
successCompletion();
}
}
failure:^(NSError *error) {
OWSLogError(@"Failed to send group avatar update with error: %@", error);
}];
} else {
// DURABLE CLEANUP - currently one caller uses the completion handler to delete the tappable error message
// which causes this code to be called. Once we're more aggressive about durable sending retry,
// we could get rid of this "retryable tappable error message".
[self.messageSender sendMessage:message
success:^{
OWSLogDebug(@"Successfully sent group update");
if (successCompletion) {
successCompletion();
}
}
failure:^(NSError *error) {
OWSLogError(@"Failed to send group update with error: %@", error);
}];
}
self.thread = groupThread;
}
- (void)popKeyBoard
{
[self.inputToolbar beginEditingTextMessage];
}
- (void)dismissKeyBoard
{
[self.inputToolbar endEditingTextMessage];
}
#pragma mark Drafts
- (void)loadDraftInCompose
{
OWSAssertIsOnMainThread();
__block NSString *draft;
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
draft = [self.thread currentDraftWithTransaction:transaction];
}];
[self.inputToolbar setMessageText:draft animated:NO];
}
- (void)saveDraft
{
if (!self.inputToolbar.hidden) {
__block TSThread *thread = _thread;
__block NSString *currentDraft = [self.inputToolbar messageText];
[self.editingDatabaseConnection asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
[thread setDraft:currentDraft transaction:transaction];
}];
}
}
- (void)clearDraft
{
__block TSThread *thread = _thread;
[self.editingDatabaseConnection asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
[thread setDraft:@"" transaction:transaction];
}];
}
#pragma mark Unread Badge
- (void)updateBackButtonUnreadCount
{
OWSAssertIsOnMainThread();
self.backButtonUnreadCount = [OWSMessageUtils.sharedManager unreadMessagesCountExcept:self.thread];
}
- (void)setBackButtonUnreadCount:(NSUInteger)unreadCount
{
OWSAssertIsOnMainThread();
if (_backButtonUnreadCount == unreadCount) {
// No need to re-render same count.
return;
}
_backButtonUnreadCount = unreadCount;
OWSAssertDebug(_backButtonUnreadCountView != nil);
_backButtonUnreadCountView.hidden = unreadCount <= 0;
OWSAssertDebug(_backButtonUnreadCountLabel != nil);
// Max out the unread count at 99+.
const NSUInteger kMaxUnreadCount = 99;
_backButtonUnreadCountLabel.text = [OWSFormat formatInt:(int)MIN(kMaxUnreadCount, unreadCount)];
}
#pragma mark 3D Touch Preview Actions
- (NSArray<id<UIPreviewActionItem>> *)previewActionItems
{
return @[];
}
#pragma mark - ConversationHeaderViewDelegate
- (void)didTapConversationHeaderView:(ConversationHeaderView *)conversationHeaderView
{
[self showConversationSettings];
}
#ifdef USE_DEBUG_UI
- (void)navigationTitleLongPressed:(UIGestureRecognizer *)gestureRecognizer
{
if (gestureRecognizer.state == UIGestureRecognizerStateBegan) {
[DebugUITableViewController presentDebugUIForThread:self.thread fromViewController:self];
}
}
#endif
#pragma mark - ConversationInputTextViewDelegate
- (void)textViewDidChange:(UITextView *)textView
{
if (textView.text.length > 0) {
[self.typingIndicators didStartTypeOutgoingInputInThread:self.thread];
} else {
[self.typingIndicators didStopTypeOutgoingInputInThread:self.thread];
}
}
- (void)inputTextViewSendMessagePressed
{
[self sendButtonPressed];
}
- (void)didPasteAttachment:(SignalAttachment *_Nullable)attachment
{
OWSLogError(@"");
[self tryToSendAttachmentIfApproved:attachment];
}
- (void)tryToSendAttachmentIfApproved:(SignalAttachment *_Nullable)attachment
{
[self tryToSendAttachmentIfApproved:attachment skipApprovalDialog:NO];
}
- (void)tryToSendAttachmentIfApproved:(SignalAttachment *_Nullable)attachment
skipApprovalDialog:(BOOL)skipApprovalDialog
{
OWSLogError(@"");
DispatchMainThreadSafe(^{
__weak ConversationViewController *weakSelf = self;
if ([self isBlockedConversation]) {
[self showUnblockConversationUI:^(BOOL isBlocked) {
if (!isBlocked) {
[weakSelf tryToSendAttachmentIfApproved:attachment];
}
}];
return;
}
BOOL didShowSNAlert = [self
showSafetyNumberConfirmationIfNecessaryWithConfirmationText:[SafetyNumberStrings confirmSendButton]
completion:^(BOOL didConfirmIdentity) {
if (didConfirmIdentity) {
[weakSelf
tryToSendAttachmentIfApproved:attachment];
}
}];
if (didShowSNAlert) {
return;
}
if (attachment == nil || [attachment hasError]) {
OWSLogWarn(@"Invalid attachment: %@.", attachment ? [attachment errorName] : @"Missing data");
[self showErrorAlertForAttachment:attachment];
} else if (skipApprovalDialog) {
[self sendMessageAttachment:attachment];
} else {
OWSNavigationController *modal =
[AttachmentApprovalViewController wrappedInNavControllerWithAttachment:attachment delegate:self];
[self presentViewController:modal animated:YES completion:nil];
}
});
}
- (void)keyboardWillChangeFrame:(NSNotification *)notification
{
// `willChange` is the correct keyboard notifiation to observe when adjusting contentInset
// in lockstep with the keyboard presentation animation. `didChange` results in the contentInset
// not adjusting until after the keyboard is fully up.
OWSLogVerbose(@"");
[self handleKeyboardNotification:notification];
}
- (void)handleKeyboardNotification:(NSNotification *)notification
{
OWSAssertIsOnMainThread();
NSDictionary *userInfo = [notification userInfo];
NSValue *_Nullable keyboardBeginFrameValue = userInfo[UIKeyboardFrameBeginUserInfoKey];
if (!keyboardBeginFrameValue) {
OWSFailDebug(@"Missing keyboard begin frame");
return;
}
NSValue *_Nullable keyboardEndFrameValue = userInfo[UIKeyboardFrameEndUserInfoKey];
if (!keyboardEndFrameValue) {
OWSFailDebug(@"Missing keyboard end frame");
return;
}
CGRect keyboardEndFrame = [keyboardEndFrameValue CGRectValue];
UIEdgeInsets oldInsets = self.collectionView.contentInset;
UIEdgeInsets newInsets = oldInsets;
// bottomLayoutGuide accounts for extra offset needed on iPhoneX
newInsets.bottom = keyboardEndFrame.size.height - self.bottomLayoutGuide.length;
BOOL wasScrolledToBottom = [self isScrolledToBottom];
void (^adjustInsets)(void) = ^(void) {
if (!UIEdgeInsetsEqualToEdgeInsets(self.collectionView.contentInset, newInsets)) {
self.collectionView.contentInset = newInsets;
}
self.collectionView.scrollIndicatorInsets = newInsets;
// Note there is a bug in iOS11.2 which where switching to the emoji keyboard
// does not fire a UIKeyboardFrameWillChange notification. In that case, the scroll
// down button gets mostly obscured by the keyboard.
// RADAR: #36297652
self.scrollDownButtonButtomConstraint.constant = -1 * newInsets.bottom;
[self.scrollDownButton setNeedsLayout];
[self.scrollDownButton layoutIfNeeded];
// HACK: I've made the assumption that we are already in the context of an animation, in which case the
// above should be sufficient to smoothly move the scrollDown button in step with the keyboard presentation
// animation. Yet, setting the constraint doesn't animate the movement of the button - it "jumps" to it's final
// position. So here we manually lay out the scroll down button frame (seemingly redundantly), which allows it
// to be smoothly animated.
CGRect newButtonFrame = self.scrollDownButton.frame;
newButtonFrame.origin.y
= self.scrollDownButton.superview.height - (newInsets.bottom + self.scrollDownButton.height);
self.scrollDownButton.frame = newButtonFrame;
// Adjust content offset to prevent the presented keyboard from obscuring content.
if (!self.viewHasEverAppeared) {
[self scrollToDefaultPosition];
} else if (wasScrolledToBottom) {
// If we were scrolled to the bottom, don't do any fancy math. Just stay at the bottom.
[self scrollToBottomAnimated:NO];
} else {
// If we were scrolled away from the bottom, shift the content in lockstep with the
// keyboard, up to the limits of the content bounds.
CGFloat insetChange = newInsets.bottom - oldInsets.bottom;
CGFloat oldYOffset = self.collectionView.contentOffset.y;
CGFloat newYOffset = CGFloatClamp(oldYOffset + insetChange, 0, self.safeContentHeight);
CGPoint newOffset = CGPointMake(0, newYOffset);
// If the user is dismissing the keyboard via interactive scrolling, any additional conset offset feels
// redundant, so we only adjust content offset when *presenting* the keyboard (i.e. when insetChange > 0).
if (insetChange > 0 && newYOffset > keyboardEndFrame.origin.y) {
[self.collectionView setContentOffset:newOffset animated:NO];
}
}
};
if (self.isViewCompletelyAppeared) {
adjustInsets();
} else {
// Even though we are scrolling without explicitly animating, the notification seems to occur within the context
// of a system animation, which is desirable when the view is visible, because the user sees the content rise
// in sync with the keyboard. However, when the view hasn't yet been presented, the animation conflicts and the
// result is that initial load causes the collection cells to visably "animate" to their final position once the
// view appears.
[UIView performWithoutAnimation:adjustInsets];
}
}
- (void)applyTheme
{
OWSAssertIsOnMainThread();
// make sure toolbar extends below iPhoneX home button.
self.view.backgroundColor = Theme.toolbarBackgroundColor;
self.collectionView.backgroundColor = Theme.backgroundColor;
[self updateNavigationBarSubtitleLabel];
}
- (void)attachmentApproval:(AttachmentApprovalViewController *)attachmentApproval didApproveAttachment:(SignalAttachment * _Nonnull)attachment
{
[self sendMessageAttachment:attachment];
[self dismissViewControllerAnimated:YES completion:nil];
// We always want to scroll to the bottom of the conversation after the local user
// sends a message. Normally, this is taken care of in yapDatabaseModified:, but
// we don't listen to db modifications when this view isn't visible, i.e. when the
// attachment approval view is presented.
[self scrollToBottomAnimated:YES];
}
- (void)attachmentApproval:(AttachmentApprovalViewController *)attachmentApproval didCancelAttachment:(SignalAttachment * _Nonnull)attachment
{
[self dismissViewControllerAnimated:YES completion:nil];
}
- (void)showErrorAlertForAttachment:(SignalAttachment *_Nullable)attachment
{
OWSAssertDebug(attachment == nil || [attachment hasError]);
NSString *errorMessage
= (attachment ? [attachment localizedErrorDescription] : [SignalAttachment missingDataErrorMessage]);
OWSLogError(@": %@", errorMessage);
[OWSAlerts showAlertWithTitle:NSLocalizedString(
@"ATTACHMENT_ERROR_ALERT_TITLE", @"The title of the 'attachment error' alert.")
message:errorMessage];
}
- (CGFloat)safeContentHeight
{
// Don't use self.collectionView.contentSize.height as the collection view's
// content size might not be set yet.
//
// We can safely call prepareLayout to ensure the layout state is up-to-date
// since our layout uses a dirty flag internally to debounce redundant work.
[self.layout prepareLayout];
return [self.collectionView.collectionViewLayout collectionViewContentSize].height;
}
- (void)scrollToBottomAnimated:(BOOL)animated
{
OWSAssertIsOnMainThread();
if (self.isUserScrolling) {
return;
}
// Ensure the view is fully layed out before we try to scroll to the bottom, since
// we use the collectionView bounds to determine where the "bottom" is.
[self.view layoutIfNeeded];
const CGFloat topInset = ^{
if (@available(iOS 11, *)) {
return -self.collectionView.adjustedContentInset.top;
} else {
return -self.collectionView.contentInset.top;
}
}();
const CGFloat bottomInset = ^{
if (@available(iOS 11, *)) {
return -self.collectionView.adjustedContentInset.bottom;
} else {
return -self.collectionView.contentInset.bottom;
}
}();
const CGFloat firstContentPageTop = topInset;
const CGFloat collectionViewUnobscuredHeight = self.collectionView.bounds.size.height + bottomInset;
const CGFloat lastContentPageTop = self.safeContentHeight - collectionViewUnobscuredHeight;
CGFloat dstY = MAX(firstContentPageTop, lastContentPageTop);
[self.collectionView setContentOffset:CGPointMake(0, dstY) animated:NO];
[self didScrollToBottom];
}
#pragma mark - UIScrollViewDelegate
- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
[self updateLastVisibleTimestamp];
[self autoLoadMoreIfNecessary];
}
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView
{
self.userHasScrolled = YES;
self.isUserScrolling = YES;
}
- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate
{
self.isUserScrolling = NO;
}
#pragma mark - OWSConversationSettingsViewDelegate
- (void)resendGroupUpdateForErrorMessage:(TSErrorMessage *)message
{
OWSAssertIsOnMainThread();
OWSAssertDebug([_thread isKindOfClass:[TSGroupThread class]]);
OWSAssertDebug(message);
TSGroupThread *groupThread = (TSGroupThread *)self.thread;
TSGroupModel *groupModel = groupThread.groupModel;
[self updateGroupModelTo:groupModel
successCompletion:^{
OWSLogInfo(@"Group updated, removing group creation error.");
[message remove];
}];
}
- (void)conversationColorWasUpdated
{
[self.conversationStyle updateProperties];
[self.headerView updateAvatar];
[self resetContentAndLayout];
}
- (void)groupWasUpdated:(TSGroupModel *)groupModel
{
OWSAssertDebug(groupModel);
NSMutableSet *groupMemberIds = [NSMutableSet setWithArray:groupModel.groupMemberIds];
[groupMemberIds addObject:[TSAccountManager localNumber]];
groupModel.groupMemberIds = [NSMutableArray arrayWithArray:[groupMemberIds allObjects]];
[self updateGroupModelTo:groupModel successCompletion:nil];
}
- (void)popAllConversationSettingsViews
{
if (self.presentedViewController) {
[self.presentedViewController
dismissViewControllerAnimated:YES
completion:^{
[self.navigationController popToViewController:self animated:YES];
}];
} else {
[self.navigationController popToViewController:self animated:YES];
}
}
#pragma mark - ConversationViewLayoutDelegate
- (NSArray<id<ConversationViewLayoutItem>> *)layoutItems
{
return self.viewItems;
}
- (CGFloat)layoutHeaderHeight
{
return (self.showLoadMoreHeader ? kLoadMoreHeaderHeight : 0.f);
}
#pragma mark - ConversationInputToolbarDelegate
- (void)sendButtonPressed
{
[self tryToSendTextMessage:self.inputToolbar.messageText updateKeyboardState:YES];
}
- (void)tryToSendTextMessage:(NSString *)text updateKeyboardState:(BOOL)updateKeyboardState
{
__weak ConversationViewController *weakSelf = self;
if ([self isBlockedConversation]) {
[self showUnblockConversationUI:^(BOOL isBlocked) {
if (!isBlocked) {
[weakSelf tryToSendTextMessage:text updateKeyboardState:NO];
}
}];
return;
}
BOOL didShowSNAlert =
[self showSafetyNumberConfirmationIfNecessaryWithConfirmationText:[SafetyNumberStrings confirmSendButton]
completion:^(BOOL didConfirmIdentity) {
if (didConfirmIdentity) {
[weakSelf tryToSendTextMessage:text
updateKeyboardState:NO];
}
}];
if (didShowSNAlert) {
return;
}
text = [text ows_stripped];
if (text.length < 1) {
return;
}
// Limit outgoing text messages to 16kb.
//
// We convert large text messages to attachments
// which are presented as normal text messages.
BOOL didAddToProfileWhitelist = [ThreadUtil addThreadToProfileWhitelistIfEmptyContactThread:self.thread];
__block TSOutgoingMessage *message;
if ([text lengthOfBytesUsingEncoding:NSUTF8StringEncoding] >= kOversizeTextMessageSizeThreshold) {
DataSource *_Nullable dataSource = [DataSourceValue dataSourceWithOversizeText:text];
SignalAttachment *attachment =
[SignalAttachment attachmentWithDataSource:dataSource dataUTI:kOversizeTextAttachmentUTI];
// TODO we should redundantly send the first n chars in the body field so it can be viewed
// on clients that don't support oversized text messgaes, (and potentially generate a preview
// before the attachment is downloaded)
message = [ThreadUtil enqueueMessageWithAttachment:attachment
inThread:self.thread
quotedReplyModel:self.inputToolbar.quotedReply];
} else {
[self.editingDatabaseConnection readWriteWithBlock:^(YapDatabaseReadWriteTransaction *_Nonnull transaction) {
message = [ThreadUtil enqueueMessageWithText:text
inThread:self.thread
quotedReplyModel:self.inputToolbar.quotedReply
transaction:transaction];
}];
}
[self messageWasSent:message];
if (updateKeyboardState) {
[self.inputToolbar toggleDefaultKeyboard];
}
[self.inputToolbar clearTextMessageAnimated:YES];
[self clearDraft];
if (didAddToProfileWhitelist) {
[self ensureDynamicInteractions];
}
}
- (void)voiceMemoGestureDidStart
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"voiceMemoGestureDidStart");
const CGFloat kIgnoreMessageSendDoubleTapDurationSeconds = 2.f;
if (self.lastMessageSentDate &&
[[NSDate new] timeIntervalSinceDate:self.lastMessageSentDate] < kIgnoreMessageSendDoubleTapDurationSeconds) {
// If users double-taps the message send button, the second tap can look like a
// very short voice message gesture. We want to ignore such gestures.
[self.inputToolbar cancelVoiceMemoIfNecessary];
[self.inputToolbar hideVoiceMemoUI:NO];
[self cancelRecordingVoiceMemo];
return;
}
[self.inputToolbar showVoiceMemoUI];
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
[self requestRecordingVoiceMemo];
[self.typingIndicators didStartTypeOutgoingInputInThread:self.thread];
}
- (void)voiceMemoGestureDidEnd
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"voiceMemoGestureDidEnd");
[self.inputToolbar hideVoiceMemoUI:YES];
[self endRecordingVoiceMemo];
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
}
- (void)voiceMemoGestureDidCancel
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"voiceMemoGestureDidCancel");
[self.inputToolbar hideVoiceMemoUI:NO];
[self cancelRecordingVoiceMemo];
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
}
- (void)voiceMemoGestureDidChange:(CGFloat)cancelAlpha
{
OWSAssertIsOnMainThread();
[self.inputToolbar setVoiceMemoUICancelAlpha:cancelAlpha];
}
- (void)cancelVoiceMemo
{
OWSAssertIsOnMainThread();
[self.inputToolbar cancelVoiceMemoIfNecessary];
[self.inputToolbar hideVoiceMemoUI:NO];
[self cancelRecordingVoiceMemo];
}
#pragma mark - Database Observation
- (void)setIsUserScrolling:(BOOL)isUserScrolling
{
_isUserScrolling = isUserScrolling;
[self autoLoadMoreIfNecessary];
}
- (void)setIsViewVisible:(BOOL)isViewVisible
{
_isViewVisible = isViewVisible;
[self updateShouldObserveDBModifications];
[self updateCellsVisible];
}
- (void)updateCellsVisible
{
BOOL isAppInBackground = CurrentAppContext().isInBackground;
BOOL isCellVisible = self.isViewVisible && !isAppInBackground;
for (ConversationViewCell *cell in self.collectionView.visibleCells) {
cell.isCellVisible = isCellVisible;
}
}
- (void)updateShouldObserveDBModifications
{
if (!CurrentAppContext().isAppForegroundAndActive) {
self.shouldObserveDBModifications = NO;
return;
}
if (!self.isViewVisible) {
self.shouldObserveDBModifications = NO;
return;
}
if (OWSWindowManager.sharedManager.isPresentingMenuActions) {
self.shouldObserveDBModifications = NO;
return;
}
self.shouldObserveDBModifications = YES;
}
- (void)setShouldObserveDBModifications:(BOOL)shouldObserveDBModifications
{
if (_shouldObserveDBModifications == shouldObserveDBModifications) {
return;
}
_shouldObserveDBModifications = shouldObserveDBModifications;
if (self.shouldObserveDBModifications) {
OWSLogVerbose(@"resume observation of database modifications.");
// We need to call resetMappings when we _resume_ observing DB modifications,
// since we've been ignore DB modifications so the mappings can be wrong.
//
// resetMappings can however have the side effect of increasing the mapping's
// "window" size. If that happens, we need to restore the scroll state.
// Snapshot the scroll state by measuring the "distance from top of view to
// bottom of content"; if the mapping's "window" size grows, it will grow
// _upward_.
CGFloat viewTopToContentBottom = 0;
OWSAssertDebug([self.collectionView.collectionViewLayout isKindOfClass:[ConversationViewLayout class]]);
ConversationViewLayout *conversationViewLayout
= (ConversationViewLayout *)self.collectionView.collectionViewLayout;
// To avoid laying out the collection view during initial view
// presentation, don't trigger layout here (via safeContentHeight)
// until layout has been done at least once.
if (conversationViewLayout.hasEverHadLayout) {
viewTopToContentBottom = self.safeContentHeight - self.collectionView.contentOffset.y;
}
NSUInteger oldCellCount = [self.messageMappings numberOfItemsInGroup:self.thread.uniqueId];
// ViewItems modified while we were not observing may be stale.
//
// TODO: have a more fine-grained cache expiration based on rows modified.
[self.viewItemCache removeAllObjects];
// Snapshot the "previousLastTimestamp" value; it will be cleared by resetMappings.
NSNumber *_Nullable previousLastTimestamp = self.previousLastTimestamp;
[self resetMappings];
NSUInteger newCellCount = [self.messageMappings numberOfItemsInGroup:self.thread.uniqueId];
// Detect changes in the mapping's "window" size.
if (oldCellCount != newCellCount) {
CGFloat newContentHeight = self.safeContentHeight;
CGPoint newContentOffset = CGPointMake(0, MAX(0, newContentHeight - viewTopToContentBottom));
[self.collectionView setContentOffset:newContentOffset animated:NO];
}
// When we resume observing database changes, we want to scroll to show the user
// any new items inserted while we were not observing. We therefore find the
// first item at or after the "view horizon". See the comments below which explain
// the "view horizon".
id<ConversationViewItem> _Nullable lastViewItem = self.viewItems.lastObject;
BOOL hasAddedNewItems = (lastViewItem && previousLastTimestamp
&& lastViewItem.interaction.timestamp > previousLastTimestamp.unsignedLongLongValue);
OWSLogInfo(@"hasAddedNewItems: %d", hasAddedNewItems);
if (hasAddedNewItems) {
NSIndexPath *_Nullable indexPathToShow = [self firstIndexPathAtViewHorizonTimestamp];
if (indexPathToShow) {
// The goal is to show _both_ the last item before the "view horizon" and the
// first item after the "view horizon". We can't do "top on first item after"
// or "bottom on last item before" or we won't see the other. Unfortunately,
// this gets tricky if either is huge. The largest cells are oversize text,
// which should be rare. Other cells are considerably smaller than a screenful.
[self.collectionView scrollToItemAtIndexPath:indexPathToShow
atScrollPosition:UICollectionViewScrollPositionCenteredVertically
animated:NO];
}
}
self.viewHorizonTimestamp = nil;
OWSLogVerbose(@"resumed observation of database modifications.");
} else {
OWSLogVerbose(@"pausing observation of database modifications.");
// When stopping observation, try to record the timestamp of the "view horizon".
// The "view horizon" is where we'll want to focus the users when we resume
// observation if any changes have happened while we weren't observing.
// Ideally, we'll focus on those changes. But we can't skip over unread
// interactions, so we prioritize those, if any.
//
// We'll use this later to update the view to reflect any changes made while
// we were not observing the database. See extendRangeToIncludeUnobservedItems
// and the logic above.
id<ConversationViewItem> _Nullable lastViewItem = self.viewItems.lastObject;
if (lastViewItem) {
self.previousLastTimestamp = @(lastViewItem.interaction.timestamp);
} else {
self.previousLastTimestamp = nil;
}
__block TSInteraction *_Nullable firstUnseenInteraction = nil;
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
firstUnseenInteraction =
[[TSDatabaseView unseenDatabaseViewExtension:transaction] firstObjectInGroup:self.thread.uniqueId];
}];
if (firstUnseenInteraction) {
// If there are any unread interactions, focus on the first one.
self.viewHorizonTimestamp = @(firstUnseenInteraction.timestamp);
} else if (lastViewItem) {
// Otherwise, focus _just after_ the last interaction.
self.viewHorizonTimestamp = @(lastViewItem.interaction.timestamp + 1);
} else {
self.viewHorizonTimestamp = nil;
}
OWSLogVerbose(@"paused observation of database modifications.");
}
}
- (nullable NSIndexPath *)firstIndexPathAtViewHorizonTimestamp
{
OWSAssertDebug(self.shouldObserveDBModifications);
if (!self.viewHorizonTimestamp) {
return nil;
}
if (self.viewItems.count < 1) {
return nil;
}
uint64_t viewHorizonTimestamp = self.viewHorizonTimestamp.unsignedLongLongValue;
// Binary search for the first view item whose timestamp >= the "view horizon" timestamp.
// We want to move "left" rightward, discarding interactions before this cutoff.
// We want to move "right" leftward, discarding all-but-the-first interaction after this cutoff.
// In the end, if we converge on an item _after_ this cutoff, it's the one we want.
// If we converge on an item _before_ this cutoff, there was no interaction that fit our criteria.
NSUInteger left = 0, right = self.viewItems.count - 1;
while (left != right) {
OWSAssertDebug(left < right);
NSUInteger mid = (left + right) / 2;
OWSAssertDebug(left <= mid);
OWSAssertDebug(mid < right);
id<ConversationViewItem> viewItem = self.viewItems[mid];
if (viewItem.interaction.timestamp >= viewHorizonTimestamp) {
right = mid;
} else {
// This is an optimization; it also ensures that we converge.
left = mid + 1;
}
}
OWSAssertDebug(left == right);
id<ConversationViewItem> viewItem = self.viewItems[left];
if (viewItem.interaction.timestamp >= viewHorizonTimestamp) {
OWSLogInfo(@"firstIndexPathAtViewHorizonTimestamp: %zd / %zd", left, self.viewItems.count);
return [NSIndexPath indexPathForRow:(NSInteger) left inSection:0];
} else {
OWSLogInfo(@"firstIndexPathAtViewHorizonTimestamp: none / %zd", self.viewItems.count);
return nil;
}
}
// We stop observing database modifications when the app or this view is not visible
// (see: shouldObserveDBModifications). When we resume observing db modifications,
// we want to extend the "range" of this view to include any items added to this
// thread while we were not observing.
- (void)extendRangeToIncludeUnobservedItems
{
if (!self.shouldObserveDBModifications) {
return;
}
if (!self.previousLastTimestamp) {
return;
}
uint64_t previousLastTimestamp = self.previousLastTimestamp.unsignedLongLongValue;
__block NSUInteger addedItemCount = 0;
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
[[transaction ext:TSMessageDatabaseViewExtensionName]
enumerateRowsInGroup:self.thread.uniqueId
withOptions:NSEnumerationReverse
usingBlock:^(NSString *collection,
NSString *key,
id object,
id metadata,
NSUInteger index,
BOOL *stop) {
if (![object isKindOfClass:[TSInteraction class]]) {
OWSFailDebug(@"Expected a TSInteraction: %@", [object class]);
return;
}
TSInteraction *interaction = (TSInteraction *)object;
if (interaction.timestamp <= previousLastTimestamp) {
*stop = YES;
return;
}
addedItemCount++;
}];
}];
OWSLogInfo(@"extendRangeToIncludeUnobservedItems: %zd", addedItemCount);
self.lastRangeLength += addedItemCount;
// We only want to do this once, so clear the "previous last timestamp".
self.previousLastTimestamp = nil;
}
- (void)createNewMessageMappings
{
if (self.thread.uniqueId.length > 0) {
self.messageMappings = [[YapDatabaseViewMappings alloc] initWithGroups:@[ self.thread.uniqueId ]
view:TSMessageDatabaseViewExtensionName];
} else {
OWSFailDebug(@"uniqueId unexpectedly empty for thread: %@", self.thread);
self.messageMappings =
[[YapDatabaseViewMappings alloc] initWithGroups:@[] view:TSMessageDatabaseViewExtensionName];
}
// Cells' appearance can depend on adjacent cells in both directions.
[self.messageMappings setCellDrawingDependencyOffsets:[NSSet setWithArray:@[
@(-1),
@(+1),
]]
forGroup:self.thread.uniqueId];
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
[self.messageMappings updateWithTransaction:transaction];
}];
// We need to impose the range restrictions on the mappings immediately to avoid
// doing a great deal of unnecessary work and causing a perf hotspot.
[self updateMessageMappingRangeOptions];
}
- (void)resetMappings
{
// If we're entering "active" mode (e.g. view is visible and app is in foreground),
// reset all state updated by yapDatabaseModified:.
if (self.messageMappings != nil) {
// Before we begin observing database modifications, make sure
// our mapping and table state is up-to-date.
[self extendRangeToIncludeUnobservedItems];
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
[self.messageMappings updateWithTransaction:transaction];
}];
[self updateMessageMappingRangeOptions];
}
self.collapseCutoffDate = [NSDate new];
[self resetContentAndLayout];
[self ensureDynamicInteractions];
[self updateBackButtonUnreadCount];
[self updateNavigationBarSubtitleLabel];
// There appears to be a bug in YapDatabase that sometimes delays modifications
// made in another process (e.g. the SAE) from showing up in other processes.
// There's a simple workaround: a trivial write to the database flushes changes
// made from other processes.
[self.editingDatabaseConnection asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
[transaction setObject:[NSUUID UUID].UUIDString forKey:@"conversation_view_noop_mod" inCollection:@"temp"];
}];
}
#pragma mark - ConversationCollectionViewDelegate
- (void)collectionViewWillChangeLayout
{
OWSAssertIsOnMainThread();
}
- (void)collectionViewDidChangeLayout
{
OWSAssertIsOnMainThread();
[self updateLastVisibleTimestamp];
self.conversationStyle.viewWidth = self.collectionView.width;
}
#pragma mark - View Items
// This is a key method. It builds or rebuilds the list of
// cell view models.
//
// Returns NO on error.
- (BOOL)reloadViewItems
{
NSMutableArray<id<ConversationViewItem>> *viewItems = [NSMutableArray new];
NSMutableDictionary<NSString *, id<ConversationViewItem>> *viewItemCache = [NSMutableDictionary new];
NSUInteger count = [self.messageMappings numberOfItemsInSection:0];
BOOL isGroupThread = self.isGroupConversation;
__block BOOL hasError = NO;
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
YapDatabaseViewTransaction *viewTransaction = [transaction ext:TSMessageDatabaseViewExtensionName];
OWSAssertDebug(viewTransaction);
for (NSUInteger row = 0; row < count; row++) {
TSInteraction *interaction =
[viewTransaction objectAtRow:row inSection:0 withMappings:self.messageMappings];
if (!interaction) {
OWSFailDebug(
@"missing interaction in message mappings: %lu / %lu.", (unsigned long)row, (unsigned long)count);
// TODO: Add analytics.
hasError = YES;
continue;
}
if (!interaction.uniqueId) {
OWSFailDebug(@"invalid interaction in message mappings: %lu / %lu: %@.",
(unsigned long)row,
(unsigned long)count,
interaction);
// TODO: Add analytics.
hasError = YES;
continue;
}
id<ConversationViewItem> _Nullable viewItem = self.viewItemCache[interaction.uniqueId];
if (!viewItem) {
viewItem = [[ConversationInteractionViewItem alloc] initWithInteraction:interaction
isGroupThread:isGroupThread
transaction:transaction
conversationStyle:self.conversationStyle];
}
[viewItems addObject:viewItem];
OWSAssertDebug(!viewItemCache[interaction.uniqueId]);
viewItemCache[interaction.uniqueId] = viewItem;
}
}];
// Flag to ensure that we only increment once per launch.
if (hasError) {
OWSLogWarn(@"incrementing version of: %@", TSMessageDatabaseViewExtensionName);
[OWSPrimaryStorage incrementVersionOfDatabaseExtension:TSMessageDatabaseViewExtensionName];
}
// Update the "break" properties (shouldShowDate and unreadIndicator) of the view items.
BOOL shouldShowDateOnNextViewItem = YES;
uint64_t previousViewItemTimestamp = 0;
OWSUnreadIndicator *_Nullable unreadIndicator = self.dynamicInteractions.unreadIndicator;
uint64_t collapseCutoffTimestamp = [NSDate ows_millisecondsSince1970ForDate:self.collapseCutoffDate];
BOOL hasPlacedUnreadIndicator = NO;
for (id<ConversationViewItem> viewItem in viewItems) {
BOOL canShowDate = NO;
switch (viewItem.interaction.interactionType) {
case OWSInteractionType_Unknown:
case OWSInteractionType_Offer:
canShowDate = NO;
break;
case OWSInteractionType_IncomingMessage:
case OWSInteractionType_OutgoingMessage:
case OWSInteractionType_Error:
case OWSInteractionType_Info:
case OWSInteractionType_Call:
canShowDate = YES;
break;
}
uint64_t viewItemTimestamp = viewItem.interaction.timestampForSorting;
OWSAssertDebug(viewItemTimestamp > 0);
BOOL shouldShowDate = NO;
if (previousViewItemTimestamp == 0) {
shouldShowDateOnNextViewItem = YES;
} else if (![DateUtil isSameDayWithTimestamp:previousViewItemTimestamp timestamp:viewItemTimestamp]) {
shouldShowDateOnNextViewItem = YES;
}
if (shouldShowDateOnNextViewItem && canShowDate) {
shouldShowDate = YES;
shouldShowDateOnNextViewItem = NO;
}
viewItem.shouldShowDate = shouldShowDate;
previousViewItemTimestamp = viewItemTimestamp;
// When a conversation without unread messages receives an incoming message,
// we call ensureDynamicInteractions to ensure that the unread indicator (etc.)
// state is updated accordingly. However this is done in a separate transaction.
// We don't want to show the incoming message _without_ an unread indicator and
// then immediately re-render it _with_ an unread indicator.
//
// To avoid this, we use a temporary instance of OWSUnreadIndicator whenever
// we find an unread message that _should_ have an unread indicator, but no
// unread indicator exists yet on dynamicInteractions.
BOOL isItemUnread = ([viewItem.interaction conformsToProtocol:@protocol(OWSReadTracking)]
&& !((id<OWSReadTracking>)viewItem.interaction).wasRead);
if (isItemUnread && !unreadIndicator && !hasPlacedUnreadIndicator && !self.hasClearedUnreadMessagesIndicator) {
unreadIndicator =
[[OWSUnreadIndicator alloc] initUnreadIndicatorWithTimestamp:viewItem.interaction.timestamp
hasMoreUnseenMessages:NO
missingUnseenSafetyNumberChangeCount:0
unreadIndicatorPosition:0
firstUnseenInteractionTimestamp:viewItem.interaction.timestamp];
}
// Place the unread indicator onto the first appropriate view item,
// if any.
if (unreadIndicator && viewItem.interaction.timestampForSorting >= unreadIndicator.timestamp) {
viewItem.unreadIndicator = unreadIndicator;
unreadIndicator = nil;
hasPlacedUnreadIndicator = YES;
} else {
viewItem.unreadIndicator = nil;
}
}
if (unreadIndicator) {
// This isn't necessarily a bug - all of the interactions after the
// unread indicator may have disappeared or been deleted.
OWSLogWarn(@"Couldn't find an interaction to hang the unread indicator on.");
}
// Update the properties of the view items.
//
// NOTE: This logic uses the break properties which are set in the previous pass.
for (NSUInteger i = 0; i < viewItems.count; i++) {
id<ConversationViewItem> viewItem = viewItems[i];
id<ConversationViewItem> _Nullable previousViewItem = (i > 0 ? viewItems[i - 1] : nil);
id<ConversationViewItem> _Nullable nextViewItem = (i + 1 < viewItems.count ? viewItems[i + 1] : nil);
BOOL shouldShowSenderAvatar = NO;
BOOL shouldHideFooter = NO;
BOOL isFirstInCluster = YES;
BOOL isLastInCluster = YES;
NSAttributedString *_Nullable senderName = nil;
OWSInteractionType interactionType = viewItem.interaction.interactionType;
NSString *timestampText = [DateUtil formatTimestampShort:viewItem.interaction.timestamp];
if (interactionType == OWSInteractionType_OutgoingMessage) {
TSOutgoingMessage *outgoingMessage = (TSOutgoingMessage *)viewItem.interaction;
MessageReceiptStatus receiptStatus =
[MessageRecipientStatusUtils recipientStatusWithOutgoingMessage:outgoingMessage];
BOOL isDisappearingMessage = outgoingMessage.isExpiringMessage;
if (nextViewItem && nextViewItem.interaction.interactionType == interactionType) {
TSOutgoingMessage *nextOutgoingMessage = (TSOutgoingMessage *)nextViewItem.interaction;
MessageReceiptStatus nextReceiptStatus =
[MessageRecipientStatusUtils recipientStatusWithOutgoingMessage:nextOutgoingMessage];
NSString *nextTimestampText = [DateUtil formatTimestampShort:nextViewItem.interaction.timestamp];
// We can skip the "outgoing message status" footer if the next message
// has the same footer and no "date break" separates us...
// ...but always show "failed to send" status
// ...and always show the "disappearing messages" animation.
shouldHideFooter
= ([timestampText isEqualToString:nextTimestampText] && receiptStatus == nextReceiptStatus
&& outgoingMessage.messageState != TSOutgoingMessageStateFailed
&& outgoingMessage.messageState != TSOutgoingMessageStateSending && !nextViewItem.hasCellHeader
&& !isDisappearingMessage);
}
// clustering
if (previousViewItem == nil) {
isFirstInCluster = YES;
} else if (viewItem.hasCellHeader) {
isFirstInCluster = YES;
} else {
isFirstInCluster = previousViewItem.interaction.interactionType != OWSInteractionType_OutgoingMessage;
}
if (nextViewItem == nil) {
isLastInCluster = YES;
} else if (nextViewItem.hasCellHeader) {
isLastInCluster = YES;
} else {
isLastInCluster = nextViewItem.interaction.interactionType != OWSInteractionType_OutgoingMessage;
}
} else if (interactionType == OWSInteractionType_IncomingMessage) {
TSIncomingMessage *incomingMessage = (TSIncomingMessage *)viewItem.interaction;
NSString *incomingSenderId = incomingMessage.authorId;
OWSAssertDebug(incomingSenderId.length > 0);
BOOL isDisappearingMessage = incomingMessage.isExpiringMessage;
NSString *_Nullable nextIncomingSenderId = nil;
if (nextViewItem && nextViewItem.interaction.interactionType == interactionType) {
TSIncomingMessage *nextIncomingMessage = (TSIncomingMessage *)nextViewItem.interaction;
nextIncomingSenderId = nextIncomingMessage.authorId;
OWSAssertDebug(nextIncomingSenderId.length > 0);
}
if (nextViewItem && nextViewItem.interaction.interactionType == interactionType) {
NSString *nextTimestampText = [DateUtil formatTimestampShort:nextViewItem.interaction.timestamp];
// We can skip the "incoming message status" footer in a cluster if the next message
// has the same footer and no "date break" separates us.
// ...but always show the "disappearing messages" animation.
shouldHideFooter = ([timestampText isEqualToString:nextTimestampText] && !nextViewItem.hasCellHeader &&
[NSObject isNullableObject:nextIncomingSenderId equalTo:incomingSenderId]
&& !isDisappearingMessage);
}
// clustering
if (previousViewItem == nil) {
isFirstInCluster = YES;
} else if (viewItem.hasCellHeader) {
isFirstInCluster = YES;
} else if (previousViewItem.interaction.interactionType != OWSInteractionType_IncomingMessage) {
isFirstInCluster = YES;
} else {
TSIncomingMessage *previousIncomingMessage = (TSIncomingMessage *)previousViewItem.interaction;
isFirstInCluster = ![incomingSenderId isEqual:previousIncomingMessage.authorId];
}
if (nextViewItem == nil) {
isLastInCluster = YES;
} else if (nextViewItem.interaction.interactionType != OWSInteractionType_IncomingMessage) {
isLastInCluster = YES;
} else if (nextViewItem.hasCellHeader) {
isLastInCluster = YES;
} else {
TSIncomingMessage *nextIncomingMessage = (TSIncomingMessage *)nextViewItem.interaction;
isLastInCluster = ![incomingSenderId isEqual:nextIncomingMessage.authorId];
}
if (viewItem.isGroupThread) {
// Show the sender name for incoming group messages unless
// the previous message has the same sender name and
// no "date break" separates us.
BOOL shouldShowSenderName = YES;
if (previousViewItem && previousViewItem.interaction.interactionType == interactionType) {
TSIncomingMessage *previousIncomingMessage = (TSIncomingMessage *)previousViewItem.interaction;
NSString *previousIncomingSenderId = previousIncomingMessage.authorId;
OWSAssertDebug(previousIncomingSenderId.length > 0);
shouldShowSenderName
= (![NSObject isNullableObject:previousIncomingSenderId equalTo:incomingSenderId]
|| viewItem.hasCellHeader);
}
if (shouldShowSenderName) {
senderName = [self.contactsManager
attributedContactOrProfileNameForPhoneIdentifier:incomingSenderId
primaryAttributes:[OWSMessageBubbleView
senderNamePrimaryAttributes]
secondaryAttributes:[OWSMessageBubbleView
senderNameSecondaryAttributes]];
}
// Show the sender avatar for incoming group messages unless
// the next message has the same sender avatar and
// no "date break" separates us.
shouldShowSenderAvatar = YES;
if (nextViewItem && nextViewItem.interaction.interactionType == interactionType) {
shouldShowSenderAvatar = (![NSObject isNullableObject:nextIncomingSenderId equalTo:incomingSenderId]
|| nextViewItem.hasCellHeader);
}
}
}
if (viewItem.interaction.timestampForSorting > collapseCutoffTimestamp) {
shouldHideFooter = NO;
}
viewItem.isFirstInCluster = isFirstInCluster;
viewItem.isLastInCluster = isLastInCluster;
viewItem.shouldShowSenderAvatar = shouldShowSenderAvatar;
viewItem.shouldHideFooter = shouldHideFooter;
viewItem.senderName = senderName;
}
self.viewItems = viewItems;
self.viewItemCache = viewItemCache;
return !hasError;
}
// Whenever an interaction is modified, we need to reload it from the DB
// and update the corresponding view item.
- (void)reloadInteractionForViewItem:(id<ConversationViewItem>)viewItem
{
OWSAssertIsOnMainThread();
OWSAssertDebug(viewItem);
// This should never happen, but don't crash in production if we have a bug.
if (!viewItem) {
return;
}
[self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
TSInteraction *_Nullable interaction =
[TSInteraction fetchObjectWithUniqueID:viewItem.interaction.uniqueId transaction:transaction];
if (!interaction) {
OWSFailDebug(@"could not reload interaction");
} else {
[viewItem replaceInteraction:interaction transaction:transaction];
}
}];
}
- (nullable id<ConversationViewItem>)viewItemForIndex:(NSInteger)index
{
if (index < 0 || index >= (NSInteger)self.viewItems.count) {
OWSFailDebug(@"Invalid view item index: %lu", (unsigned long)index);
return nil;
}
return self.viewItems[(NSUInteger)index];
}
#pragma mark - UICollectionViewDataSource
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
return (NSInteger)self.viewItems.count;
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView
cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
id<ConversationViewItem> _Nullable viewItem = [self viewItemForIndex:indexPath.row];
ConversationViewCell *cell = [viewItem dequeueCellForCollectionView:self.collectionView indexPath:indexPath];
if (!cell) {
OWSFailDebug(@"Could not dequeue cell.");
return cell;
}
cell.viewItem = viewItem;
cell.delegate = self;
if ([cell isKindOfClass:[OWSMessageCell class]]) {
OWSMessageCell *messageCell = (OWSMessageCell *)cell;
messageCell.messageBubbleView.delegate = self;
}
cell.conversationStyle = self.conversationStyle;
[cell loadForDisplay];
return cell;
}
#pragma mark - UICollectionViewDelegate
- (void)collectionView:(UICollectionView *)collectionView
willDisplayCell:(UICollectionViewCell *)cell
forItemAtIndexPath:(NSIndexPath *)indexPath
{
OWSAssertDebug([cell isKindOfClass:[ConversationViewCell class]]);
ConversationViewCell *conversationViewCell = (ConversationViewCell *)cell;
conversationViewCell.isCellVisible = YES;
}
- (void)collectionView:(UICollectionView *)collectionView
didEndDisplayingCell:(nonnull UICollectionViewCell *)cell
forItemAtIndexPath:(nonnull NSIndexPath *)indexPath
{
OWSAssertDebug([cell isKindOfClass:[ConversationViewCell class]]);
ConversationViewCell *conversationViewCell = (ConversationViewCell *)cell;
conversationViewCell.isCellVisible = NO;
}
#pragma mark - ContactsPickerDelegate
- (void)contactsPickerDidCancel:(ContactsPicker *)contactsPicker
{
OWSLogDebug(@"");
[self dismissViewControllerAnimated:YES completion:nil];
}
- (void)contactsPicker:(ContactsPicker *)contactsPicker contactFetchDidFail:(NSError *)error
{
OWSLogDebug(@"with error %@", error);
[self dismissViewControllerAnimated:YES completion:nil];
}
- (void)contactsPicker:(ContactsPicker *)contactsPicker didSelectContact:(Contact *)contact
{
OWSAssertDebug(contact);
CNContact *_Nullable cnContact = [self.contactsManager cnContactWithId:contact.cnContactId];
if (!cnContact) {
OWSFailDebug(@"Could not load system contact.");
return;
}
OWSLogDebug(@"with contact: %@", contact);
OWSContact *_Nullable contactShareRecord = [OWSContacts contactForSystemContact:cnContact];
if (!contactShareRecord) {
OWSFailDebug(@"Could not convert system contact.");
return;
}
BOOL isProfileAvatar = NO;
NSData *_Nullable avatarImageData = [self.contactsManager avatarDataForCNContactId:cnContact.identifier];
for (NSString *recipientId in contact.textSecureIdentifiers) {
if (avatarImageData) {
break;
}
avatarImageData = [self.contactsManager profileImageDataForPhoneIdentifier:recipientId];
if (avatarImageData) {
isProfileAvatar = YES;
}
}
contactShareRecord.isProfileAvatar = isProfileAvatar;
ContactShareViewModel *contactShare =
[[ContactShareViewModel alloc] initWithContactShareRecord:contactShareRecord avatarImageData:avatarImageData];
// TODO: We should probably show this in the same navigation view controller.
ContactShareApprovalViewController *approveContactShare =
[[ContactShareApprovalViewController alloc] initWithContactShare:contactShare
contactsManager:self.contactsManager
delegate:self];
OWSAssertDebug(contactsPicker.navigationController);
[contactsPicker.navigationController pushViewController:approveContactShare animated:YES];
}
- (void)contactsPicker:(ContactsPicker *)contactsPicker didSelectMultipleContacts:(NSArray<Contact *> *)contacts
{
OWSFailDebug(@"with contacts: %@", contacts);
[self dismissViewControllerAnimated:YES completion:nil];
}
- (BOOL)contactsPicker:(ContactsPicker *)contactsPicker shouldSelectContact:(Contact *)contact
{
// Any reason to preclude contacts?
return YES;
}
#pragma mark - ContactShareApprovalViewControllerDelegate
- (void)approveContactShare:(ContactShareApprovalViewController *)approveContactShare
didApproveContactShare:(ContactShareViewModel *)contactShare
{
OWSLogInfo(@"");
[self dismissViewControllerAnimated:YES
completion:^{
[self sendContactShare:contactShare];
}];
}
- (void)approveContactShare:(ContactShareApprovalViewController *)approveContactShare
didCancelContactShare:(ContactShareViewModel *)contactShare
{
OWSLogInfo(@"");
[self dismissViewControllerAnimated:YES completion:nil];
}
#pragma mark - ContactShareViewHelperDelegate
- (void)didCreateOrEditContact
{
OWSLogInfo(@"");
[self dismissViewControllerAnimated:YES completion:nil];
}
#pragma mark - Toast
- (void)presentMissingQuotedReplyToast
{
OWSLogInfo(@"");
NSString *toastText = NSLocalizedString(@"QUOTED_REPLY_ORIGINAL_MESSAGE_DELETED",
@"Toast alert text shown when tapping on a quoted message which we cannot scroll to because the local copy of "
@"the message was since deleted.");
ToastController *toastController = [[ToastController alloc] initWithText:toastText];
CGFloat bottomInset = kToastInset + self.collectionView.contentInset.bottom + self.view.layoutMargins.bottom;
[toastController presentToastViewFromBottomOfView:self.view inset:bottomInset];
}
- (void)presentRemotelySourcedQuotedReplyToast
{
OWSLogInfo(@"");
NSString *toastText = NSLocalizedString(@"QUOTED_REPLY_ORIGINAL_MESSAGE_REMOTELY_SOURCED",
@"Toast alert text shown when tapping on a quoted message which we cannot scroll to because the local copy of "
@"the message didn't exist when the quote was received.");
ToastController *toastController = [[ToastController alloc] initWithText:toastText];
CGFloat bottomInset = kToastInset + self.collectionView.contentInset.bottom + self.view.layoutMargins.bottom;
[toastController presentToastViewFromBottomOfView:self.view inset:bottomInset];
}
#pragma mark -
- (void)presentViewController:(UIViewController *)viewController
animated:(BOOL)animated
completion:(void (^__nullable)(void))completion
{
// Ensure that we are first responder before presenting other views.
// This ensures that the input toolbar will be restored after the
// presented view is dismissed.
if (![self isFirstResponder]) {
[self becomeFirstResponder];
}
[super presentViewController:viewController animated:animated completion:completion];
}
@end
NS_ASSUME_NONNULL_END