session-ios/Signal/src/view controllers/MessageComposeTableViewController.m
Matthew Chen 192264e45b Respond to CR.
// FREEBIE
2017-02-08 14:26:32 -05:00

688 lines
30 KiB
Objective-C

//
// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
//
#import "MessageComposeTableViewController.h"
#import <MessageUI/MessageUI.h>
#import "ContactTableViewCell.h"
#import "ContactsUpdater.h"
#import "Environment.h"
#import "OWSContactsSearcher.h"
#import "Signal-Swift.h"
#import "UIColor+OWS.h"
#import "UIUtil.h"
NS_ASSUME_NONNULL_BEGIN
@interface MessageComposeTableViewController () <UISearchBarDelegate,
UISearchResultsUpdating,
MFMessageComposeViewControllerDelegate>
@property (nonatomic) IBOutlet UITableViewCell *inviteCell;
@property (nonatomic) UITableViewCell *conversationForNonContactCell;
@property (nonatomic) UITableViewCell *inviteViaSMSCell;
@property (nonatomic) IBOutlet OWSNoSignalContactsView *noSignalContactsView;
@property (nonatomic) UISearchController *searchController;
@property (nonatomic) UIActivityIndicatorView *activityIndicator;
@property (nonatomic) UIBarButtonItem *addGroup;
@property (nonatomic) UIView *loadingBackgroundView;
@property (nonatomic) NSString *currentSearchTerm;
@property (copy) NSArray<Contact *> *contacts;
@property (copy) NSArray<Contact *> *searchResults;
@property (nonatomic, readonly) OWSContactsManager *contactsManager;
// This property should be set IFF the current search text can
// be parsed as a phone number. If set, it contains a E164 value.
@property (nonatomic) NSString *searchPhoneNumber;
// This dictionary is used to cache the set of phone numbers
// which are known to correspond to Signal accounts.
@property (nonatomic, nonnull, readonly) NSMutableSet *phoneNumberAccountSet;
@property (nonatomic) BOOL isBackgroundViewHidden;
@end
// The "special" sections are used to display (at most) one of three cells:
//
// * "New conversation for non-contact" if user has entered a phone
// number which corresponds to a signal account, or:
// * "Send invite via SMS" if user has entered a phone number
// which is not known to correspond to a signal account, or:
// * "Invite contacts" if the invite flow is available, or:
// * Nothing, otherwise.
typedef NS_ENUM(NSInteger, AdvancedSettingsTableViewControllerSection) {
MessageComposeTableViewControllerSectionInviteNonContactConversation = 0,
MessageComposeTableViewControllerSectionInviteViaSMS,
MessageComposeTableViewControllerSectionInviteFlow,
MessageComposeTableViewControllerSectionContacts,
MessageComposeTableViewControllerSection_Count // meta section
};
NSString *const MessageComposeTableViewControllerCellInvite = @"ContactTableInviteCell";
NSString *const MessageComposeTableViewControllerCellContact = @"ContactTableViewCell";
@implementation MessageComposeTableViewController
- (nullable instancetype)initWithCoder:(NSCoder *)aDecoder
{
self = [super initWithCoder:aDecoder];
if (!self) {
return self;
}
_contactsManager = [Environment getCurrent].contactsManager;
_phoneNumberAccountSet = [NSMutableSet set];
[self observeNotifications];
return self;
}
- (instancetype)init
{
self = [super init];
if (!self) {
return self;
}
_contactsManager = [Environment getCurrent].contactsManager;
[self observeNotifications];
return self;
}
- (void)observeNotifications
{
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(signalRecipientsDidChange:)
name:OWSContactsManagerSignalRecipientsDidChangeNotification
object:nil];
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
- (void)signalRecipientsDidChange:(NSNotification *)notification {
[self updateContacts];
}
- (void)viewDidLoad {
[super viewDidLoad];
[self.navigationController.navigationBar setTranslucent:NO];
self.tableView.estimatedRowHeight = (CGFloat)60.0;
self.tableView.rowHeight = UITableViewAutomaticDimension;
self.contacts = self.contactsManager.signalContacts;
self.searchResults = self.contacts;
[self initializeSearch];
self.searchController.searchBar.hidden = NO;
self.searchController.searchBar.backgroundColor = [UIColor whiteColor];
self.inviteCell.textLabel.text = NSLocalizedString(
@"INVITE_FRIENDS_CONTACT_TABLE_BUTTON", @"Text for button at the top of the contact picker");
self.conversationForNonContactCell = [UITableViewCell new];
self.inviteViaSMSCell = [UITableViewCell new];
self.tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];
[self createLoadingAndBackgroundViews];
self.title = NSLocalizedString(@"MESSAGE_COMPOSEVIEW_TITLE", @"");
}
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
if ([self.contacts count] == 0) {
[self showEmptyBackgroundView:YES];
}
}
- (UILabel *)createLabelWithFirstLine:(NSString *)firstLine andSecondLine:(NSString *)secondLine {
UILabel *label = [[UILabel alloc] init];
label.textColor = [UIColor grayColor];
label.font = [UIFont ows_regularFontWithSize:18.f];
label.textAlignment = NSTextAlignmentCenter;
label.numberOfLines = 4;
NSMutableAttributedString *fullLabelString =
[[NSMutableAttributedString alloc] initWithString:[NSString stringWithFormat:@"%@\n%@", firstLine, secondLine]];
[fullLabelString addAttribute:NSFontAttributeName
value:[UIFont ows_boldFontWithSize:15.f]
range:NSMakeRange(0, firstLine.length)];
[fullLabelString addAttribute:NSFontAttributeName
value:[UIFont ows_regularFontWithSize:14.f]
range:NSMakeRange(firstLine.length + 1, secondLine.length)];
[fullLabelString addAttribute:NSForegroundColorAttributeName
value:[UIColor blackColor]
range:NSMakeRange(0, firstLine.length)];
[fullLabelString addAttribute:NSForegroundColorAttributeName
value:[UIColor ows_darkGrayColor]
range:NSMakeRange(firstLine.length + 1, secondLine.length)];
label.attributedText = fullLabelString;
// 250, 66, 140
[label setFrame:CGRectMake([self marginSize], 100 + 140, [self contentWidth], 66)];
return label;
}
- (void)createLoadingAndBackgroundViews {
// This will be further tweaked per design recs. It must currently be hardcoded (or we can place in separate .xib I
// suppose) as the controller must be a TableViewController to have access to the native pull to refresh
// capabilities. That means we can't do a UIView in the storyboard
_loadingBackgroundView = [[UIView alloc] initWithFrame:self.tableView.frame];
UIImageView *loadingImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"uiEmpty"]];
[loadingImageView setBackgroundColor:[UIColor whiteColor]];
[loadingImageView setContentMode:UIViewContentModeCenter];
[loadingImageView setFrame:CGRectMake(self.tableView.frame.size.width / 2.0f - 115.0f / 2.0f, 100, 115, 110)];
loadingImageView.contentMode = UIViewContentModeCenter;
loadingImageView.contentMode = UIViewContentModeScaleAspectFit;
UIActivityIndicatorView *loadingProgressView =
[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
[loadingProgressView
setFrame:CGRectMake(self.tableView.frame.size.width / 2.0f - loadingProgressView.frame.size.width / 2.0f,
100 + 110 / 2.0f - loadingProgressView.frame.size.height / 2.0f,
loadingProgressView.frame.size.width,
loadingProgressView.frame.size.height)];
[loadingProgressView setHidesWhenStopped:NO];
[loadingProgressView startAnimating];
UILabel *loadingLabel = [self createLabelWithFirstLine:NSLocalizedString(@"LOADING_CONTACTS_LABEL_LINE1", @"")
andSecondLine:NSLocalizedString(@"LOADING_CONTACTS_LABEL_LINE2", @"")];
[_loadingBackgroundView addSubview:loadingImageView];
[_loadingBackgroundView addSubview:loadingProgressView];
[_loadingBackgroundView addSubview:loadingLabel];
UIButton *inviteButton = self.noSignalContactsView.inviteButton;
[inviteButton addTarget:self
action:@selector(presentInviteFlow)
forControlEvents:UIControlEventTouchUpInside];
[inviteButton setTitleColor:[UIColor ows_materialBlueColor]
forState:UIControlStateNormal];
[inviteButton.titleLabel setFont:[UIFont ows_regularFontWithSize:17.f]];
UIButton *searchByPhoneNumberButton = [UIButton buttonWithType:UIButtonTypeCustom];
[searchByPhoneNumberButton setTitle:NSLocalizedString(@"NO_CONTACTS_SEARCH_BY_PHONE_NUMBER",
@"Label for a button that lets users search for contacts by phone number")
forState:UIControlStateNormal];
[searchByPhoneNumberButton setTitleColor:[UIColor ows_materialBlueColor]
forState:UIControlStateNormal];
[searchByPhoneNumberButton.titleLabel setFont:[UIFont ows_regularFontWithSize:17.f]];
[inviteButton.superview addSubview:searchByPhoneNumberButton];
[searchByPhoneNumberButton autoHCenterInSuperview];
[searchByPhoneNumberButton autoPinEdge:ALEdgeTop
toEdge:ALEdgeBottom
ofView:inviteButton
withOffset:20];
[searchByPhoneNumberButton addTarget:self
action:@selector(hideBackgroundView)
forControlEvents:UIControlEventTouchUpInside];
}
- (void)hideBackgroundView {
self.isBackgroundViewHidden = YES;
[self showEmptyBackgroundView:NO];
}
- (void)presentInviteFlow
{
OWSInviteFlow *inviteFlow =
[[OWSInviteFlow alloc] initWithPresentingViewController:self contactsManager:self.contactsManager];
[self presentViewController:inviteFlow.actionSheetController animated:YES completion:nil];
}
- (void)showLoadingBackgroundView:(BOOL)show {
if (show && !self.isBackgroundViewHidden) {
_addGroup = self.navigationItem.rightBarButtonItem != nil ? _addGroup : self.navigationItem.rightBarButtonItem;
self.navigationItem.rightBarButtonItem = nil;
self.searchController.searchBar.hidden = YES;
self.tableView.backgroundView = _loadingBackgroundView;
self.refreshControl = nil;
self.tableView.backgroundView.opaque = YES;
} else {
[self initializeRefreshControl];
self.navigationItem.rightBarButtonItem =
self.navigationItem.rightBarButtonItem != nil ? self.navigationItem.rightBarButtonItem : _addGroup;
self.searchController.searchBar.hidden = NO;
self.tableView.backgroundView = nil;
}
}
- (void)showEmptyBackgroundView:(BOOL)show {
if (show) {
self.refreshControl = nil;
_addGroup = self.navigationItem.rightBarButtonItem != nil ? _addGroup : self.navigationItem.rightBarButtonItem;
self.navigationItem.rightBarButtonItem =
[[UIBarButtonItem alloc] initWithImage:[[UIImage imageNamed:@"btnRefresh--white"]
imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]
style:UIBarButtonItemStylePlain
target:self
action:@selector(refreshContacts)];
self.navigationItem.rightBarButtonItem.imageInsets = UIEdgeInsetsMake(8, 8, 8, 8);
self.inviteCell.hidden = YES;
self.conversationForNonContactCell.hidden = YES;
self.inviteViaSMSCell.hidden = YES;
self.searchController.searchBar.hidden = YES;
self.tableView.backgroundView = self.noSignalContactsView;
self.tableView.backgroundView.opaque = YES;
} else {
[self initializeRefreshControl];
self.refreshControl.enabled = YES;
self.navigationItem.rightBarButtonItem =
self.navigationItem.rightBarButtonItem != nil ? self.navigationItem.rightBarButtonItem : _addGroup;
self.searchController.searchBar.hidden = NO;
self.tableView.backgroundView = nil;
self.inviteCell.hidden = NO;
self.conversationForNonContactCell.hidden = NO;
self.inviteViaSMSCell.hidden = NO;
}
}
#pragma mark - Initializers
- (void)initializeSearch {
self.searchController = [[UISearchController alloc] initWithSearchResultsController:nil];
self.searchController.searchResultsUpdater = self;
self.searchController.dimsBackgroundDuringPresentation = NO;
self.searchController.hidesNavigationBarDuringPresentation = NO;
self.searchController.searchBar.frame = CGRectMake(self.searchController.searchBar.frame.origin.x,
self.searchController.searchBar.frame.origin.y,
self.searchController.searchBar.frame.size.width,
44.0);
self.tableView.tableHeaderView = self.searchController.searchBar;
self.searchController.searchBar.searchBarStyle = UISearchBarStyleMinimal;
self.searchController.searchBar.delegate = self;
self.searchController.searchBar.placeholder = NSLocalizedString(@"SEARCH_BYNAMEORNUMBER_PLACEHOLDER_TEXT", @"");
[self initializeRefreshControl];
}
- (void)initializeRefreshControl {
UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
[refreshControl addTarget:self action:@selector(refreshContacts) forControlEvents:UIControlEventValueChanged];
self.refreshControl = refreshControl;
[self.tableView addSubview:self.refreshControl];
}
#pragma mark - UISearchResultsUpdating
- (void)updateSearchResultsForSearchController:(UISearchController *)searchController {
NSString *searchString = [self.searchController.searchBar text];
[self filterContentForSearchText:searchString];
[self.tableView reloadData];
}
#pragma mark - UISearchBarDelegate
- (void)searchBar:(UISearchBar *)searchBar selectedScopeButtonIndexDidChange:(NSInteger)selectedScope {
[self updateSearchResultsForSearchController:self.searchController];
}
- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar {
}
#pragma mark - Filter
- (void)filterContentForSearchText:(NSString *)searchText
{
OWSContactsSearcher *contactsSearcher = [[OWSContactsSearcher alloc] initWithContacts: self.contacts];
self.searchResults = [contactsSearcher filterWithString:searchText];
NSString *formattedNumber = [PhoneNumber tryParsePhoneNumberFromUserSpecifiedText:searchText].toE164;
// text to a non-signal number if we have no results and a valid phone #
if (self.searchResults.count == 0 && searchText.length > 8 && formattedNumber) {
self.currentSearchTerm = formattedNumber;
self.searchPhoneNumber = formattedNumber;
// Kick off account lookup if necessary.
[self checkIsNonContactPhoneNumberSignalUser:formattedNumber];
} else {
_searchPhoneNumber = nil;
}
}
- (void)checkIsNonContactPhoneNumberSignalUser:(NSString *)phoneNumber
{
if ([self.phoneNumberAccountSet containsObject:phoneNumber]) {
return;
}
__weak MessageComposeTableViewController *weakSelf = self;
[[ContactsUpdater sharedUpdater] lookupIdentifier:phoneNumber
success:^(SignalRecipient *recipient) {
MessageComposeTableViewController *strongSelf = weakSelf;
if (!strongSelf) {
return;
}
if (![strongSelf.phoneNumberAccountSet containsObject:phoneNumber]) {
[strongSelf.phoneNumberAccountSet addObject:phoneNumber];
[strongSelf.tableView reloadData];
}
}
failure:^(NSError *error) {
// Ignore.
}];
}
- (void)setSearchPhoneNumber:(NSString *)searchPhoneNumber {
if ([_searchPhoneNumber isEqualToString:searchPhoneNumber]) {
return;
}
_searchPhoneNumber = searchPhoneNumber;
[self.tableView reloadData];
}
#pragma mark - Send Normal Text to Unknown Contact
- (void)sendText {
NSString *confirmMessage = NSLocalizedString(@"SEND_SMS_CONFIRM_TITLE", @"");
if ([self.currentSearchTerm length] > 0) {
confirmMessage = NSLocalizedString(@"SEND_SMS_INVITE_TITLE", @"");
confirmMessage = [confirmMessage stringByAppendingString:self.currentSearchTerm];
confirmMessage = [confirmMessage stringByAppendingString:NSLocalizedString(@"QUESTIONMARK_PUNCTUATION", @"")];
}
UIAlertController *alertController =
[UIAlertController alertControllerWithTitle:NSLocalizedString(@"CONFIRMATION_TITLE", @"")
message:confirmMessage
preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"TXT_CANCEL_TITLE", @"")
style:UIAlertActionStyleCancel
handler:^(UIAlertAction *action) {
DDLogDebug(@"Cancel action");
}];
UIAlertAction *okAction = [UIAlertAction
actionWithTitle:NSLocalizedString(@"OK", @"")
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
[self.searchController setActive:NO];
if ([MFMessageComposeViewController canSendText]) {
MFMessageComposeViewController *picker = [[MFMessageComposeViewController alloc] init];
picker.messageComposeDelegate = self;
picker.recipients =
[self.currentSearchTerm length] > 0 ? [NSArray arrayWithObject:self.currentSearchTerm] : nil;
picker.body = [NSLocalizedString(@"SMS_INVITE_BODY", @"")
stringByAppendingString:
@" https://itunes.apple.com/us/app/signal-private-messenger/id874139669?mt=8"];
[self presentViewController:picker animated:YES completion:[UIUtil modalCompletionBlock]];
} else {
UIAlertView *notPermitted =
[[UIAlertView alloc] initWithTitle:@""
message:NSLocalizedString(@"UNSUPPORTED_FEATURE_ERROR", @"")
delegate:nil
cancelButtonTitle:NSLocalizedString(@"OK", @"")
otherButtonTitles:nil];
[notPermitted show];
}
}];
[alertController addAction:cancelAction];
[alertController addAction:okAction];
self.searchController.searchBar.text = @"";
//must dismiss search controller before presenting alert.
if ([self presentedViewController]) {
[self dismissViewControllerAnimated:YES completion:^{
[self presentViewController:alertController animated:YES completion:[UIUtil modalCompletionBlock]];
}];
} else {
[self presentViewController:alertController animated:YES completion:[UIUtil modalCompletionBlock]];
}
}
#pragma mark - SMS Composer Delegate
// called on completion of message screen
- (void)messageComposeViewController:(MFMessageComposeViewController *)controller
didFinishWithResult:(MessageComposeResult)result {
switch (result) {
case MessageComposeResultCancelled:
break;
case MessageComposeResultFailed: {
UIAlertView *warningAlert =
[[UIAlertView alloc] initWithTitle:@""
message:NSLocalizedString(@"SEND_INVITE_FAILURE", @"")
delegate:nil
cancelButtonTitle:NSLocalizedString(@"OK", @"")
otherButtonTitles:nil];
[warningAlert show];
break;
}
case MessageComposeResultSent: {
[self dismissViewControllerAnimated:NO
completion:^{
DDLogDebug(@"view controller dismissed");
}];
UIAlertView *successAlert =
[[UIAlertView alloc] initWithTitle:@""
message:NSLocalizedString(@"SEND_INVITE_SUCCESS", @"Alert body after invite succeeded")
delegate:nil
cancelButtonTitle:NSLocalizedString(@"OK", @"")
otherButtonTitles:nil];
[successAlert show];
break;
}
default:
break;
}
[self dismissViewControllerAnimated:YES completion:nil];
}
#pragma mark - Table View Data Source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return MessageComposeTableViewControllerSection_Count;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
// This logic will determine which one (if any) of the following special controls
// should be shown. No more than one should be shown at a time.
BOOL showNonContactConversation = NO;
BOOL showInviteViaSMS = NO;
BOOL showInviteFlow = NO;
BOOL hasPhoneNumber = self.searchPhoneNumber.length > 0;
BOOL isKnownSignalUser = hasPhoneNumber && [self.phoneNumberAccountSet containsObject:self.searchPhoneNumber];
BOOL isInviteFlowSupported = SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(9, 0);
if (hasPhoneNumber && isKnownSignalUser) {
showNonContactConversation = YES;
} else if (hasPhoneNumber) {
showInviteViaSMS = YES;
} else if (isInviteFlowSupported) {
showInviteFlow = YES;
}
if (section == MessageComposeTableViewControllerSectionInviteNonContactConversation) {
return showNonContactConversation ? 1 : 0;
} else if (section == MessageComposeTableViewControllerSectionInviteViaSMS) {
return showInviteViaSMS ? 1 : 0;
} else if (section == MessageComposeTableViewControllerSectionInviteFlow) {
return showInviteFlow ? 1 : 0;
} else {
OWSAssert(section == MessageComposeTableViewControllerSectionContacts)
if (self.searchController.active) {
return (NSInteger)[self.searchResults count];
} else {
return (NSInteger)[self.contacts count];
}
}
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
if (indexPath.section == MessageComposeTableViewControllerSectionInviteNonContactConversation) {
self.conversationForNonContactCell.textLabel.text = [NSString stringWithFormat:NSLocalizedString(@"NEW_CONVERSATION_FOR_NON_CONTACT_FORMAT",
@"Text for button to start a new conversation with a non-contact"),
self.searchPhoneNumber];
return self.conversationForNonContactCell;
} else if (indexPath.section == MessageComposeTableViewControllerSectionInviteViaSMS) {
self.inviteViaSMSCell.textLabel.text = [NSString stringWithFormat:NSLocalizedString(@"SEND_INVITE_VIA_SMS_BUTTON_FORMAT",
@"Text for button to send a Signal invite via SMS. %@ is placeholder for the receipient's phone number."),
self.searchPhoneNumber];
return self.inviteViaSMSCell;
} else if (indexPath.section == MessageComposeTableViewControllerSectionInviteFlow) {
return self.inviteCell;
} else {
OWSAssert(indexPath.section == MessageComposeTableViewControllerSectionContacts)
ContactTableViewCell *cell = (ContactTableViewCell *)[tableView
dequeueReusableCellWithIdentifier:MessageComposeTableViewControllerCellContact];
[cell configureWithContact:[self contactForIndexPath:indexPath] contactsManager:self.contactsManager];
return cell;
}
}
#pragma mark - Table View delegate
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
if (indexPath.section == MessageComposeTableViewControllerSectionInviteNonContactConversation) {
OWSAssert(self.searchPhoneNumber.length > 0);
if (self.searchPhoneNumber.length > 0) {
[self dismissViewControllerAnimated:YES
completion:^() {
[Environment messageIdentifier:self.searchPhoneNumber withCompose:YES];
}];
}
} else if (indexPath.section == MessageComposeTableViewControllerSectionInviteViaSMS) {
[self sendText];
} else if (indexPath.section == MessageComposeTableViewControllerSectionInviteFlow) {
void (^showInvite)() = ^{
OWSInviteFlow *inviteFlow =
[[OWSInviteFlow alloc] initWithPresentingViewController:self contactsManager:self.contactsManager];
[self presentViewController:inviteFlow.actionSheetController
animated:YES
completion:^{
[self.tableView deselectRowAtIndexPath:indexPath animated:YES];
}];
};
if (self.presentedViewController) {
// If search controller is active, dismiss it first.
[self dismissViewControllerAnimated:YES completion:showInvite];
} else {
showInvite();
}
} else {
OWSAssert(indexPath.section == MessageComposeTableViewControllerSectionContacts)
NSString *identifier = [[[self contactForIndexPath:indexPath] textSecureIdentifiers] firstObject];
[self dismissViewControllerAnimated:YES
completion:^() {
[Environment messageIdentifier:identifier withCompose:YES];
}];
}
}
- (Contact *)contactForIndexPath:(NSIndexPath *)indexPath {
Contact *contact = nil;
if (self.searchController.active) {
contact = [self.searchResults objectAtIndex:(NSUInteger)indexPath.row];
} else {
contact = [self.contacts objectAtIndex:(NSUInteger)indexPath.row];
}
return contact;
}
#pragma mark Refresh controls
- (void)updateAfterRefreshTry {
[self.refreshControl endRefreshing];
[self showLoadingBackgroundView:NO];
if ([self.contacts count] == 0) {
[self showEmptyBackgroundView:YES];
} else {
[self showEmptyBackgroundView:NO];
}
}
- (void)refreshContacts {
[[ContactsUpdater sharedUpdater] updateSignalContactIntersectionWithABContacts:self.contactsManager.allContacts
success:^{
[self updateContacts];
}
failure:^(NSError *error) {
dispatch_async(dispatch_get_main_queue(), ^{
UIAlertView *alert =
[[UIAlertView alloc] initWithTitle:NSLocalizedString(@"ERROR_WAS_DETECTED_TITLE", @"")
message:NSLocalizedString(@"TIMEOUT_CONTACTS_DETAIL", @"")
delegate:nil
cancelButtonTitle:NSLocalizedString(@"OK", @"")
otherButtonTitles:nil];
[alert show];
[self updateAfterRefreshTry];
});
}];
if ([self.contacts count] == 0) {
[self showLoadingBackgroundView:YES];
}
}
- (void)updateContacts {
self.contacts = self.contactsManager.signalContacts;
dispatch_async(dispatch_get_main_queue(), ^{
[self updateSearchResultsForSearchController:self.searchController];
[self.tableView reloadData];
[self updateAfterRefreshTry];
});
}
#pragma mark - Navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(nullable id)sender
{
self.searchController.active = NO;
}
- (IBAction)closeAction:(id)sender {
[self dismissViewControllerAnimated:YES completion:nil];
}
- (CGFloat)contentWidth {
return [UIScreen mainScreen].bounds.size.width - 2 * [self marginSize];
}
- (CGFloat)marginSize {
return 20;
}
@end
NS_ASSUME_NONNULL_END