429 lines
13 KiB
Objective-C
429 lines
13 KiB
Objective-C
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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#import "SelectThreadViewController.h"
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#import "BlockListUIUtils.h"
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#import "ContactTableViewCell.h"
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#import "Environment.h"
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#import "InboxTableViewCell.h"
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#import "OWSContactsManager.h"
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#import "OWSContactsSearcher.h"
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#import "OWSTableViewController.h"
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#import "ThreadViewHelper.h"
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#import "UIColor+OWS.h"
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#import "UIFont+OWS.h"
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#import "UIView+OWS.h"
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#import <SignalServiceKit/OWSBlockingManager.h>
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#import <SignalServiceKit/TSAccountManager.h>
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#import <SignalServiceKit/TSContactThread.h>
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#import <SignalServiceKit/TSThread.h>
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NS_ASSUME_NONNULL_BEGIN
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@interface SelectThreadViewController () <OWSTableViewControllerDelegate, ThreadViewHelperDelegate, UISearchBarDelegate>
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@property (nonatomic, readonly) OWSBlockingManager *blockingManager;
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@property (nonatomic) NSSet<NSString *> *blockedPhoneNumberSet;
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@property (nonatomic, readonly) OWSContactsManager *contactsManager;
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@property (nonatomic) NSArray<Contact *> *contacts;
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@property (nonatomic, readonly) ThreadViewHelper *threadViewHelper;
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@property (nonatomic, readonly) OWSTableViewController *tableViewController;
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@property (nonatomic, readonly) UISearchBar *searchBar;
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@end
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#pragma mark -
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@implementation SelectThreadViewController
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- (void)loadView
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{
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[super loadView];
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self.navigationItem.leftBarButtonItem =
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[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemStop
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target:self
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action:@selector(dismissPressed:)];
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self.view.backgroundColor = [UIColor whiteColor];
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_blockingManager = [OWSBlockingManager sharedManager];
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_blockedPhoneNumberSet = [NSSet setWithArray:[_blockingManager blockedPhoneNumbers]];
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_contactsManager = [Environment getCurrent].contactsManager;
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self.contacts = [self filteredContacts];
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_threadViewHelper = [ThreadViewHelper new];
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_threadViewHelper.delegate = self;
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[self createViews];
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[self addNotificationListeners];
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[self updateTableContents];
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}
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- (void)viewDidLoad
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{
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[super viewDidLoad];
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[self.navigationController.navigationBar setTranslucent:NO];
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}
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- (void)addNotificationListeners
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{
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(blockedPhoneNumbersDidChange:)
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name:kNSNotificationName_BlockedPhoneNumbersDidChange
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(signalRecipientsDidChange:)
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name:OWSContactsManagerSignalRecipientsDidChangeNotification
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object:nil];
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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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- (void)createViews
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{
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// Table
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_tableViewController = [OWSTableViewController new];
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_tableViewController.delegate = self;
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_tableViewController.contents = [OWSTableContents new];
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[self.view addSubview:self.tableViewController.view];
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[_tableViewController.view autoPinWidthToSuperview];
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[_tableViewController.view autoPinToTopLayoutGuideOfViewController:self withInset:0];
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[_tableViewController.view autoPinEdgeToSuperviewEdge:ALEdgeBottom];
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// Search
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UISearchBar *searchBar = [UISearchBar new];
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_searchBar = searchBar;
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searchBar.searchBarStyle = UISearchBarStyleProminent;
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searchBar.delegate = self;
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searchBar.placeholder = NSLocalizedString(@"SEARCH_BYNAMEORNUMBER_PLACEHOLDER_TEXT", @"");
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[searchBar sizeToFit];
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_tableViewController.tableView.tableHeaderView = searchBar;
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}
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#pragma mark - UISearchBarDelegate
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- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText
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{
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[self updateTableContents];
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}
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- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar
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{
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[self updateTableContents];
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}
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- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar
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{
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[self updateTableContents];
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}
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- (void)searchBarResultsListButtonClicked:(UISearchBar *)searchBar
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{
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[self updateTableContents];
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}
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- (void)searchBar:(UISearchBar *)searchBar selectedScopeButtonIndexDidChange:(NSInteger)selectedScope
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{
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[self updateTableContents];
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}
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#pragma mark - Actions
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- (void)updateTableContents
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{
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__weak SelectThreadViewController *weakSelf = self;
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OWSTableContents *contents = [OWSTableContents new];
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OWSTableSection *section = [OWSTableSection new];
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// Threads
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for (TSThread *thread in [self filteredThreadsWithSearchText]) {
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[section addItem:[OWSTableItem itemWithCustomCellBlock:^{
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SelectThreadViewController *strongSelf = weakSelf;
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if (!strongSelf) {
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return (InboxTableViewCell *)nil;
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}
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InboxTableViewCell *cell = [InboxTableViewCell inboxTableViewCell];
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[cell configureWithThread:thread
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contactsManager:strongSelf.contactsManager
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blockedPhoneNumberSet:strongSelf.blockedPhoneNumberSet];
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return cell;
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}
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customRowHeight:[InboxTableViewCell rowHeight]
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actionBlock:^{
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[weakSelf.delegate threadWasSelected:thread];
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}]];
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}
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// Contacts
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NSArray<Contact *> *filteredContacts = [self filteredContactsWithSearchText];
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for (Contact *contact in filteredContacts) {
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[section addItem:[OWSTableItem itemWithCustomCellBlock:^{
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SelectThreadViewController *strongSelf = weakSelf;
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if (!strongSelf) {
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return (InboxTableViewCell *)nil;
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}
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// To be consistent with the threads (above), we use InboxTableViewCell
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// instead of ContactTableViewCell to present contacts.
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InboxTableViewCell *cell = [InboxTableViewCell inboxTableViewCell];
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// TODO: Use ContactAccount.
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NSString *recipientId = contact.textSecureIdentifiers.firstObject;
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BOOL isBlocked = [strongSelf isContactBlocked:contact];
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[cell configureWithContact:contact
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recipientId:recipientId
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contactsManager:strongSelf.contactsManager
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isBlocked:isBlocked];
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return cell;
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}
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customRowHeight:[InboxTableViewCell rowHeight]
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actionBlock:^{
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[weakSelf contactWasSelected:contact];
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}]];
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}
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if (section.itemCount < 1) {
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[section addItem:[OWSTableItem itemWithCustomCellBlock:^{
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UITableViewCell *cell = [UITableViewCell new];
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cell.textLabel.text = NSLocalizedString(
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@"SETTINGS_BLOCK_LIST_NO_CONTACTS", @"A label that indicates the user has no Signal contacts.");
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cell.textLabel.font = [UIFont ows_regularFontWithSize:15.f];
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cell.textLabel.textColor = [UIColor colorWithWhite:0.5f alpha:1.f];
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cell.textLabel.textAlignment = NSTextAlignmentCenter;
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return cell;
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}
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actionBlock:nil]];
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}
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[contents addSection:section];
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self.tableViewController.contents = contents;
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}
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- (void)contactWasSelected:(Contact *)contact
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{
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OWSAssert(contact);
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OWSAssert(self.delegate);
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// TODO: Use ContactAccount.
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NSString *recipientId = contact.textSecureIdentifiers.firstObject;
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if ([self isRecipientIdBlocked:recipientId] &&
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![self.delegate canSelectBlockedContact]) {
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__weak SelectThreadViewController *weakSelf = self;
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[BlockListUIUtils showUnblockContactActionSheet:contact
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fromViewController:self
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blockingManager:self.blockingManager
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contactsManager:self.contactsManager
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completionBlock:^(BOOL isBlocked) {
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if (!isBlocked) {
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[weakSelf contactWasSelected:contact];
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}
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}];
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return;
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}
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__block TSThread *thread = nil;
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[[TSStorageManager sharedManager].dbConnection readWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
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thread = [TSContactThread getOrCreateThreadWithContactId:recipientId transaction:transaction];
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}];
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OWSAssert(thread);
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[self.delegate threadWasSelected:thread];
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}
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#pragma mark - Filter
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- (NSArray<TSThread *> *)filteredThreadsWithSearchText
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{
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NSArray<TSThread *> *threads = self.threadViewHelper.threads;
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NSString *searchTerm =
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[[self.searchBar text] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
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if ([searchTerm isEqualToString:@""]) {
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return threads;
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}
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NSString *formattedNumber = [PhoneNumber removeFormattingCharacters:searchTerm];
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NSMutableArray *result = [NSMutableArray new];
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for (TSThread *thread in threads) {
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if ([thread.name containsString:searchTerm]) {
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[result addObject:thread];
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} else if ([thread isKindOfClass:[TSContactThread class]]) {
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TSContactThread *contactThread = (TSContactThread *)thread;
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if (formattedNumber.length > 0 && [contactThread.contactIdentifier containsString:formattedNumber]) {
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[result addObject:thread];
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}
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}
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}
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return result;
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}
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// TODO: Move this to contacts view helper.
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- (NSArray<Contact *> *)filteredContactsWithSearchText
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{
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// We don't want to show a 1:1 thread with Alice and Alice's contact,
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// so we de-duplicate by recipientId.
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NSArray<TSThread *> *threads = self.threadViewHelper.threads;
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NSMutableSet *contactIdsToIgnore = [NSMutableSet new];
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for (TSThread *thread in threads) {
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if ([thread isKindOfClass:[TSContactThread class]]) {
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TSContactThread *contactThread = (TSContactThread *)thread;
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[contactIdsToIgnore addObject:contactThread.contactIdentifier];
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}
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}
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NSString *searchString = [self.searchBar text];
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NSArray *nonRedundantContacts =
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[self.contacts filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(Contact *contact,
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NSDictionary<NSString *, id> *_Nullable bindings) {
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return ![contactIdsToIgnore containsObject:contact.textSecureIdentifiers.firstObject];
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}]];
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// TODO: Move this to contacts view helper.
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OWSContactsSearcher *contactsSearcher = [[OWSContactsSearcher alloc] initWithContacts:nonRedundantContacts];
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NSArray<Contact *> *filteredContacts = [contactsSearcher filterWithString:searchString];
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return filteredContacts;
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}
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#pragma mark - Contacts and Blocking
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- (void)blockedPhoneNumbersDidChange:(id)notification
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{
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dispatch_async(dispatch_get_main_queue(), ^{
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_blockedPhoneNumberSet = [NSSet setWithArray:[_blockingManager blockedPhoneNumbers]];
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[self updateContacts];
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});
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}
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- (void)signalRecipientsDidChange:(NSNotification *)notification
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{
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dispatch_async(dispatch_get_main_queue(), ^{
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[self updateContacts];
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});
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}
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- (void)updateContacts
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{
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OWSAssert([NSThread isMainThread]);
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self.contacts = [self filteredContacts];
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[self updateTableContents];
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}
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- (BOOL)isContactBlocked:(Contact *)contact
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{
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if (contact.parsedPhoneNumbers.count < 1) {
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// Hide contacts without any valid phone numbers.
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return NO;
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}
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for (PhoneNumber *phoneNumber in contact.parsedPhoneNumbers) {
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if ([_blockedPhoneNumberSet containsObject:phoneNumber.toE164]) {
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return YES;
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}
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}
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return NO;
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}
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- (BOOL)isRecipientIdBlocked:(NSString *)recipientId
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{
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OWSAssert(recipientId.length > 0);
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return [_blockedPhoneNumberSet containsObject:recipientId];
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}
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- (BOOL)isContactHidden:(Contact *)contact
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{
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if (contact.parsedPhoneNumbers.count < 1) {
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// Hide contacts without any valid phone numbers.
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return YES;
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}
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if ([self isCurrentUserContact:contact]) {
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return YES;
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}
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return NO;
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}
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- (BOOL)isCurrentUserContact:(Contact *)contact
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{
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for (PhoneNumber *phoneNumber in contact.parsedPhoneNumbers) {
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if ([[phoneNumber toE164] isEqualToString:[TSAccountManager localNumber]]) {
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return YES;
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}
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}
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return NO;
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}
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- (NSArray<Contact *> *_Nonnull)filteredContacts
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{
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NSMutableArray<Contact *> *result = [NSMutableArray new];
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for (Contact *contact in self.contactsManager.signalContacts) {
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if (![self isContactHidden:contact]) {
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[result addObject:contact];
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}
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}
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return [result copy];
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}
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#pragma mark - Events
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- (void)dismissPressed:(id)sender
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{
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[self.searchBar resignFirstResponder];
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[self dismissViewControllerAnimated:YES completion:nil];
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}
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#pragma mark - OWSTableViewControllerDelegate
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- (void)tableViewDidScroll
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{
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[self.searchBar resignFirstResponder];
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}
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#pragma mark - ThreadViewHelperDelegate
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- (void)threadListDidChange
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{
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[self updateTableContents];
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}
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#pragma mark - Logging
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+ (NSString *)tag
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{
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return [NSString stringWithFormat:@"[%@]", self.class];
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}
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- (NSString *)tag
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{
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return self.class.tag;
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}
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@end
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NS_ASSUME_NONNULL_END
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