mirror of
https://github.com/vector-im/element-ios.git
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496 lines
18 KiB
Objective-C
496 lines
18 KiB
Objective-C
/*
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Copyright 2014 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "RecentsViewController.h"
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#import "RoomViewController.h"
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#import "RecentRoom.h"
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#import "RecentsTableViewCell.h"
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#import "AppDelegate.h"
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#import "MatrixHandler.h"
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@interface RecentsViewController () {
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// Array of RecentRooms
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NSMutableArray *recents;
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id recentsListener;
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// Search
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UISearchBar *recentsSearchBar;
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NSMutableArray *filteredRecents;
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BOOL searchBarShouldEndEditing;
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// Date formatter
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NSDateFormatter *dateFormatter;
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RoomViewController *currentRoomViewController;
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}
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@property (strong, nonatomic) IBOutlet UIActivityIndicatorView *activityIndicator;
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@end
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@implementation RecentsViewController
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- (void)awakeFromNib {
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[super awakeFromNib];
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if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
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self.clearsSelectionOnViewWillAppear = NO;
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self.preferredContentSize = CGSizeMake(320.0, 600.0);
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}
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}
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- (void)viewDidLoad {
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[super viewDidLoad];
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// Do any additional setup after loading the view, typically from a nib.
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self.navigationItem.leftBarButtonItem = self.editButtonItem;
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UIBarButtonItem *searchButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemSearch target:self action:@selector(search:)];
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UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(createNewRoom:)];
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self.navigationItem.rightBarButtonItems = @[searchButton, addButton];
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// Add background to activity indicator
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CGRect frame = _activityIndicator.frame;
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frame.size.width += 30;
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frame.size.height += 30;
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_activityIndicator.bounds = frame;
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_activityIndicator.backgroundColor = [UIColor darkGrayColor];
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[_activityIndicator.layer setCornerRadius:5];
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// Initialisation
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recents = nil;
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filteredRecents = nil;
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NSString *dateFormat = @"MMM dd HH:mm";
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dateFormatter = [[NSDateFormatter alloc] init];
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[dateFormatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:[[[NSBundle mainBundle] preferredLocalizations] objectAtIndex:0]]];
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[dateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4];
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[dateFormatter setTimeStyle:NSDateFormatterNoStyle];
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[dateFormatter setDateFormat:dateFormat];
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}
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- (void)dealloc {
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if (currentRoomViewController) {
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currentRoomViewController.roomId = nil;
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}
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if (recentsListener) {
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[[MatrixHandler sharedHandler].mxSession removeListener:recentsListener];
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recentsListener = nil;
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}
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recents = nil;
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_preSelectedRoomId = nil;
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recentsSearchBar = nil;
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filteredRecents = nil;
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if (dateFormatter) {
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dateFormatter = nil;
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}
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}
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- (void)didReceiveMemoryWarning {
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[super didReceiveMemoryWarning];
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// Dispose of any resources that can be recreated.
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}
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- (void)viewWillAppear:(BOOL)animated {
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[super viewWillAppear:animated];
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// Refresh display
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[self configureView];
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[[MatrixHandler sharedHandler] addObserver:self forKeyPath:@"isInitialSyncDone" options:0 context:nil];
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[[MatrixHandler sharedHandler] addObserver:self forKeyPath:@"isResumeDone" options:0 context:nil];
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}
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- (void)viewWillDisappear:(BOOL)animated {
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[super viewWillDisappear:animated];
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// Leave potential editing mode
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[self setEditing:NO];
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// Leave potential search session
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if (recentsSearchBar) {
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[self searchBarCancelButtonClicked:recentsSearchBar];
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}
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// Hide activity indicator
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[self stopActivityIndicator];
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_preSelectedRoomId = nil;
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[[MatrixHandler sharedHandler] removeObserver:self forKeyPath:@"isInitialSyncDone"];
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[[MatrixHandler sharedHandler] removeObserver:self forKeyPath:@"isResumeDone"];
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}
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#pragma mark -
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- (void)setPreSelectedRoomId:(NSString *)roomId {
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_preSelectedRoomId = nil;
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if (roomId) {
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// Check whether recents update is in progress
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if ([_activityIndicator isAnimating]) {
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// Postpone room details display
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_preSelectedRoomId = roomId;
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return;
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}
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// Look for the room index in recents list
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NSIndexPath *indexPath = nil;
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for (NSUInteger index = 0; index < recents.count; index++) {
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RecentRoom *recentRoom = [recents objectAtIndex:index];
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if ([roomId isEqualToString:recentRoom.roomId]) {
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indexPath = [NSIndexPath indexPathForRow:index inSection:0];
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break;
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}
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}
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if (indexPath) {
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// Open details view
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[self.tableView selectRowAtIndexPath:indexPath animated:NO scrollPosition:UITableViewScrollPositionMiddle];
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UITableViewCell *recentCell = [self.tableView cellForRowAtIndexPath:indexPath];
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[self performSegueWithIdentifier:@"showDetail" sender:recentCell];
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} else {
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NSLog(@"We are not able to open room (%@) because it does not appear in recents yet", roomId);
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// Postpone room details display. We run activity indicator until recents are updated
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_preSelectedRoomId = roomId;
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// Start activity indicator
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[self startActivityIndicator];
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}
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}
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}
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#pragma mark - Internal methods
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- (void)configureView {
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MatrixHandler *mxHandler = [MatrixHandler sharedHandler];
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[self startActivityIndicator];
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if ([mxHandler isInitialSyncDone] || [mxHandler isLogged] == NO) {
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// Create/Update recents
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if (mxHandler.mxSession) {
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if (!recents) {
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NSArray *recentEvents = [NSMutableArray arrayWithArray:[mxHandler.mxSession recentsWithTypeIn:mxHandler.eventsFilterForMessages]];
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recents = [NSMutableArray arrayWithCapacity:recentEvents.count];
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for (MXEvent *mxEvent in recentEvents) {
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RecentRoom *recentRoom = [[RecentRoom alloc] initWithLastEvent:mxEvent andMarkAsUnread:NO];
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if (recentRoom) {
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[recents addObject:recentRoom];
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}
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}
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// Register recent listener
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recentsListener = [mxHandler.mxSession listenToEventsOfTypes:mxHandler.eventsFilterForMessages onEvent:^(MXEvent *event, MXEventDirection direction, id customObject) {
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// consider only live event
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if (direction == MXEventDirectionForwards) {
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// Consider this new event as unread only if the sender is not the user and if the room is not visible
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BOOL isUnread = (![event.userId isEqualToString:mxHandler.userId]
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&& ![[AppDelegate theDelegate].masterTabBarController.visibleRoomId isEqualToString:event.roomId]);
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// Look for the room
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BOOL isFound = NO;
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for (NSUInteger index = 0; index < recents.count; index++) {
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RecentRoom *recentRoom = [recents objectAtIndex:index];
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if ([event.roomId isEqualToString:recentRoom.roomId]) {
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isFound = YES;
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[recentRoom updateWithLastEvent:event andMarkAsUnread:isUnread];
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// Move this room at first position
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[recents removeObjectAtIndex:index];
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[recents insertObject:recentRoom atIndex:0];
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break;
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}
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}
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if (!isFound) {
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// Insert in first position this new room
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RecentRoom *recentRoom = [[RecentRoom alloc] initWithLastEvent:event andMarkAsUnread:isUnread];
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if (recentRoom) {
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[recents insertObject:recentRoom atIndex:0];
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}
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}
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// Reload table
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[self.tableView reloadData];
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}
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}];
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}
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// else nothing to do
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} else {
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recents = nil;
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}
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// Reload table
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[self.tableView reloadData];
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if ([mxHandler isResumeDone]) {
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[self stopActivityIndicator];
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}
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// Check whether a room is preselected
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if (_preSelectedRoomId) {
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self.preSelectedRoomId = _preSelectedRoomId;
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}
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} else {
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recents = nil;
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[self.tableView reloadData];
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}
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if (!recents) {
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// Remove potential listener
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if (recentsListener && mxHandler.mxSession) {
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[mxHandler.mxSession removeListener:recentsListener];
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recentsListener = nil;
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}
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}
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}
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- (void)createNewRoom:(id)sender {
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[[AppDelegate theDelegate].masterTabBarController showRoomCreationForm];
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}
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- (void)search:(id)sender {
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if (!recentsSearchBar) {
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// Check whether there are data in which search
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if (recents.count) {
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// Create search bar
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recentsSearchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 44)];
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recentsSearchBar.showsCancelButton = YES;
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recentsSearchBar.returnKeyType = UIReturnKeyDone;
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recentsSearchBar.delegate = self;
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searchBarShouldEndEditing = NO;
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[recentsSearchBar becomeFirstResponder];
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// Reload table in order to display search bar as section header
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[self.tableView reloadData];
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}
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} else {
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[self searchBarCancelButtonClicked: recentsSearchBar];
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}
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}
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- (void)startActivityIndicator {
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// Add the spinner on main screen in order to ignore potential table scrolling
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_activityIndicator.center = CGPointMake(self.view.center.x, self.view.center.x);
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[[AppDelegate theDelegate].window addSubview:_activityIndicator];
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[_activityIndicator startAnimating];
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}
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- (void)stopActivityIndicator {
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[_activityIndicator stopAnimating];
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[_activityIndicator removeFromSuperview];
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}
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#pragma mark - KVO
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- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
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if ([@"isInitialSyncDone" isEqualToString:keyPath]) {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self configureView];
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});
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} else if ([@"isResumeDone" isEqualToString:keyPath]) {
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if ([[MatrixHandler sharedHandler] isResumeDone]) {
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[self stopActivityIndicator];
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} else {
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[self startActivityIndicator];
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}
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}
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}
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#pragma mark - Segues
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- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
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if ([[segue identifier] isEqualToString:@"showDetail"]) {
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NSIndexPath *indexPath = [self.tableView indexPathForSelectedRow];
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RecentRoom *recentRoom;
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if (filteredRecents) {
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recentRoom = filteredRecents[indexPath.row];
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} else {
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recentRoom = recents[indexPath.row];
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}
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UIViewController *controller;
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if ([[segue destinationViewController] isKindOfClass:[UINavigationController class]]) {
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controller = [[segue destinationViewController] topViewController];
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} else {
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controller = [segue destinationViewController];
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}
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if ([controller isKindOfClass:[RoomViewController class]]) {
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if (currentRoomViewController) {
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if ((currentRoomViewController != controller) || (![currentRoomViewController.roomId isEqualToString:recentRoom.roomId])) {
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// Release the current one
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currentRoomViewController.roomId = nil;
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}
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}
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currentRoomViewController = (RoomViewController *)controller;
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currentRoomViewController.roomId = recentRoom.roomId;
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}
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// Reset unread count for this room
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[recentRoom resetUnreadCount];
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if (self.splitViewController) {
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// Refresh display (required in case of splitViewController)
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[self.tableView reloadData];
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controller.navigationItem.leftBarButtonItem = self.splitViewController.displayModeButtonItem;
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controller.navigationItem.leftItemsSupplementBackButton = YES;
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}
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}
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}
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#pragma mark - Table View
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- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
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return 1;
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}
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
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if (filteredRecents) {
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return filteredRecents.count;
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}
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return recents.count;
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}
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- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
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return 70;
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}
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- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
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if (recentsSearchBar) {
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return recentsSearchBar.frame.size.height;
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}
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return 0;
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}
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- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
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return recentsSearchBar;
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}
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
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RecentsTableViewCell *cell = (RecentsTableViewCell*)[tableView dequeueReusableCellWithIdentifier:@"RecentsCell" forIndexPath:indexPath];
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RecentRoom *recentRoom;
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if (filteredRecents) {
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recentRoom = filteredRecents[indexPath.row];
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} else {
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recentRoom = recents[indexPath.row];
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}
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MatrixHandler *mxHandler = [MatrixHandler sharedHandler];
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MXRoom *mxRoom = [mxHandler.mxSession roomWithRoomId:recentRoom.roomId];
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cell.roomTitle.text = [mxRoom.state displayname];
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cell.lastEventDescription.text = [mxHandler displayTextForEvent:recentRoom.lastEvent withRoomState:mxRoom.state inSubtitleMode:YES];
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// Set in bold public room name
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if (mxRoom.state.isPublic) {
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cell.roomTitle.font = [UIFont boldSystemFontOfSize:20];
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} else {
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cell.roomTitle.font = [UIFont systemFontOfSize:19];
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}
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if (recentRoom.lastEvent.originServerTs != kMXUndefinedTimestamp) {
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NSDate *date = [NSDate dateWithTimeIntervalSince1970:recentRoom.lastEvent.originServerTs/1000];
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cell.recentDate.text = [dateFormatter stringFromDate:date];
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} else {
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cell.recentDate.text = nil;
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}
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// set background color
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if (recentRoom.unreadCount) {
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cell.backgroundColor = [UIColor colorWithRed:1 green:0.9 blue:0.9 alpha:1.0];
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cell.roomTitle.text = [NSString stringWithFormat:@"%@ (%d)", cell.roomTitle.text, recentRoom.unreadCount];
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} else {
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cell.backgroundColor = [UIColor clearColor];
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}
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return cell;
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}
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- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
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// Return NO if you do not want the specified item to be editable.
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return YES;
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}
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- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
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if (editingStyle == UITableViewCellEditingStyleDelete) {
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// Leave the selected room
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RecentRoom *recentRoom;
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if (filteredRecents) {
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recentRoom = filteredRecents[indexPath.row];
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} else {
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recentRoom = recents[indexPath.row];
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}
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MXRoom *mxRoom = [[MatrixHandler sharedHandler].mxSession roomWithRoomId:recentRoom.roomId];
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[mxRoom leave:^{
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// Refresh table display
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if (filteredRecents) {
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[filteredRecents removeObjectAtIndex:indexPath.row];
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} else {
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[recents removeObjectAtIndex:indexPath.row];
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}
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[tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
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} failure:^(NSError *error) {
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NSLog(@"Failed to leave room (%@) failed: %@", recentRoom.roomId, error);
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//Alert user
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[[AppDelegate theDelegate] showErrorAsAlert:error];
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}];
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}
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}
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#pragma mark - UISearchBarDelegate
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- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar {
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searchBarShouldEndEditing = NO;
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return YES;
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}
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- (BOOL)searchBarShouldEndEditing:(UISearchBar *)searchBar {
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return searchBarShouldEndEditing;
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}
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- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText {
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// Update filtered list
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if (searchText.length) {
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if (filteredRecents) {
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[filteredRecents removeAllObjects];
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} else {
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filteredRecents = [NSMutableArray arrayWithCapacity:recents.count];
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}
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MatrixHandler *mxHandler = [MatrixHandler sharedHandler];
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for (RecentRoom *recentRoom in recents) {
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MXRoom *mxRoom = [mxHandler.mxSession roomWithRoomId:recentRoom.roomId];
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if ([[mxRoom.state displayname] rangeOfString:searchText options:NSCaseInsensitiveSearch].location != NSNotFound) {
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[filteredRecents addObject:recentRoom];
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}
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}
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} else {
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filteredRecents = nil;
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}
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// Refresh display
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[self.tableView reloadData];
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if (filteredRecents.count) {
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[self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0] atScrollPosition:UITableViewScrollPositionTop animated:NO];
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}
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}
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- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar {
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// "Done" key has been pressed
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searchBarShouldEndEditing = YES;
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[searchBar resignFirstResponder];
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}
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- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar {
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// Leave search
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searchBarShouldEndEditing = YES;
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[searchBar resignFirstResponder];
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recentsSearchBar = nil;
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filteredRecents = nil;
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[self.tableView reloadData];
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}
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@end
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