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https://github.com/vector-im/element-ios.git
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4a7930be15
- spinner bg being white
346 lines
11 KiB
Objective-C
346 lines
11 KiB
Objective-C
/*
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Copyright 2015 OpenMarket Ltd
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Copyright 2017 Vector Creations 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 "DirectoryViewController.h"
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#import "PublicRoomsDirectoryDataSource.h"
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#import "AppDelegate.h"
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@interface DirectoryViewController ()
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{
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PublicRoomsDirectoryDataSource *dataSource;
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// Observe kAppDelegateDidTapStatusBarNotification to handle tap on clock status bar.
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id kAppDelegateDidTapStatusBarNotificationObserver;
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// The animated view displayed at the table view bottom when paginating
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UIView* footerSpinnerView;
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// Observe kRiotDesignValuesDidChangeThemeNotification to handle user interface theme change.
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id kRiotDesignValuesDidChangeThemeNotificationObserver;
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}
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@end
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@implementation DirectoryViewController
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- (void)finalizeInit
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{
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[super finalizeInit];
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// Setup `MXKViewControllerHandling` properties
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self.enableBarTintColorStatusChange = NO;
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self.rageShakeManager = [RageShakeManager sharedManager];
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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.title = NSLocalizedStringFromTable(@"directory_title", @"Vector", nil);
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self.tableView.delegate = self;
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// Hide line separators of empty cells
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self.tableView.tableFooterView = [[UIView alloc] init];
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// Observe user interface theme change.
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kRiotDesignValuesDidChangeThemeNotificationObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kRiotDesignValuesDidChangeThemeNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *notif) {
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[self userInterfaceThemeDidChange];
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}];
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[self userInterfaceThemeDidChange];
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}
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- (void)userInterfaceThemeDidChange
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{
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self.defaultBarTintColor = kRiotSecondaryBgColor;
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self.barTitleColor = kRiotPrimaryTextColor;
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self.activityIndicator.backgroundColor = kRiotOverlayColor;
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// Check the table view style to select its bg color.
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self.tableView.backgroundColor = ((self.tableView.style == UITableViewStylePlain) ? kRiotPrimaryBgColor : kRiotSecondaryBgColor);
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self.view.backgroundColor = self.tableView.backgroundColor;
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if (self.tableView.dataSource)
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{
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[self.tableView reloadData];
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}
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}
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- (UIStatusBarStyle)preferredStatusBarStyle
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{
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return kRiotDesignStatusBarStyle;
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}
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- (void)destroy
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{
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[super destroy];
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if (kRiotDesignValuesDidChangeThemeNotificationObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:kRiotDesignValuesDidChangeThemeNotificationObserver];
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kRiotDesignValuesDidChangeThemeNotificationObserver = nil;
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}
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}
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- (void)viewWillAppear:(BOOL)animated
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{
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[super viewWillAppear:animated];
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// Screen tracking (via Google Analytics)
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id<GAITracker> tracker = [[GAI sharedInstance] defaultTracker];
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if (tracker)
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{
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[tracker set:kGAIScreenName value:@"Directory"];
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[tracker send:[[GAIDictionaryBuilder createScreenView] build]];
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}
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// Observe kAppDelegateDidTapStatusBarNotificationObserver.
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kAppDelegateDidTapStatusBarNotificationObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kAppDelegateDidTapStatusBarNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *notif) {
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[self.tableView setContentOffset:CGPointMake(-self.tableView.contentInset.left, -self.tableView.contentInset.top) animated:YES];
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}];
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[self.tableView reloadData];
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}
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- (void)viewDidAppear:(BOOL)animated
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{
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[super viewDidAppear:animated];
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// Release the current selected item (room/contact...) except if the second view controller is still visible (see splitViewController.isCollapsed condition)
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if (self.splitViewController && self.splitViewController.isCollapsed)
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{
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[[AppDelegate theDelegate].masterTabBarController releaseSelectedItem];
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}
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else
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{
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// In case of split view controller where the primary and secondary view controllers are displayed side-by-side onscreen,
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// the selected room (if any) is highlighted.
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[self refreshCurrentSelectedCell:YES];
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}
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}
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- (void)viewWillDisappear:(BOOL)animated
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{
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if (kAppDelegateDidTapStatusBarNotificationObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:kAppDelegateDidTapStatusBarNotificationObserver];
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kAppDelegateDidTapStatusBarNotificationObserver = nil;
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}
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[super viewWillDisappear:animated];
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}
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- (void)displayWitDataSource:(PublicRoomsDirectoryDataSource *)dataSource2
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{
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// Let the data source provide cells
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dataSource = dataSource2;
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self.tableView.dataSource = dataSource;
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}
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#pragma mark - UITableViewDelegate
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- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath;
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{
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cell.backgroundColor = kRiotPrimaryBgColor;
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// Update the selected background view
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if (kRiotSelectedBgColor)
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{
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cell.selectedBackgroundView = [[UIView alloc] init];
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cell.selectedBackgroundView.backgroundColor = kRiotSelectedBgColor;
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}
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else
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{
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if (tableView.style == UITableViewStylePlain)
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{
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cell.selectedBackgroundView = nil;
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}
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else
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{
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cell.selectedBackgroundView.backgroundColor = nil;
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}
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}
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}
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- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
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{
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return 72;
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}
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- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
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{
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MXPublicRoom *publicRoom = [dataSource roomAtIndexPath:indexPath];
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// Check whether the user has already joined the selected public room
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if ([dataSource.mxSession roomWithRoomId:publicRoom.roomId])
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{
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// Open the public room.
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[self openRoomWithId:publicRoom.roomId inMatrixSession:dataSource.mxSession];
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}
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else
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{
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// Preview the public room
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if (publicRoom.worldReadable)
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{
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RoomPreviewData *roomPreviewData = [[RoomPreviewData alloc] initWithRoomId:publicRoom.roomId andSession:dataSource.mxSession];
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[self startActivityIndicator];
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// Try to get more information about the room before opening its preview
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[roomPreviewData peekInRoom:^(BOOL succeeded) {
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[self stopActivityIndicator];
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[[AppDelegate theDelegate].masterTabBarController showRoomPreview:roomPreviewData];
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}];
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}
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else
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{
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RoomPreviewData *roomPreviewData = [[RoomPreviewData alloc] initWithPublicRoom:publicRoom andSession:dataSource.mxSession];
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[[AppDelegate theDelegate].masterTabBarController showRoomPreview:roomPreviewData];
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}
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}
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}
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- (void)scrollViewDidScroll:(UIScrollView *)scrollView
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{
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// Trigger inconspicuous pagination when user scrolls down
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if ((scrollView.contentSize.height - scrollView.contentOffset.y - scrollView.frame.size.height) < 300)
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{
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[self triggerPagination];
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}
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}
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#pragma mark - Private methods
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- (void)openRoomWithId:(NSString*)roomId inMatrixSession:(MXSession*)mxSession
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{
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[[AppDelegate theDelegate].masterTabBarController selectRoomWithId:roomId andEventId:nil inMatrixSession:mxSession];
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}
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- (void)refreshCurrentSelectedCell:(BOOL)forceVisible
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{
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MasterTabBarController *masterTabBarController = [AppDelegate theDelegate].masterTabBarController;
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// Update here the index of the current selected cell (if any) - Useful in landscape mode with split view controller.
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NSIndexPath *currentSelectedCellIndexPath = nil;
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if (masterTabBarController.currentRoomViewController)
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{
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// Look for the rank of this selected room in displayed recents
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currentSelectedCellIndexPath = [dataSource cellIndexPathWithRoomId:masterTabBarController.selectedRoomId andMatrixSession:masterTabBarController.selectedRoomSession];
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}
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if (currentSelectedCellIndexPath)
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{
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// Select the right row
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[self.tableView selectRowAtIndexPath:currentSelectedCellIndexPath animated:YES scrollPosition:UITableViewScrollPositionNone];
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if (forceVisible)
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{
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// Scroll table view to make the selected row appear at second position
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NSInteger topCellIndexPathRow = currentSelectedCellIndexPath.row ? currentSelectedCellIndexPath.row - 1: currentSelectedCellIndexPath.row;
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NSIndexPath* indexPath = [NSIndexPath indexPathForRow:topCellIndexPathRow inSection:currentSelectedCellIndexPath.section];
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[self.tableView scrollToRowAtIndexPath:indexPath atScrollPosition:UITableViewScrollPositionTop animated:NO];
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}
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}
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else
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{
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NSIndexPath *indexPath = [self.tableView indexPathForSelectedRow];
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if (indexPath)
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{
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[self.tableView deselectRowAtIndexPath:indexPath animated:NO];
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}
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}
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}
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- (void)triggerPagination
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{
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if (dataSource.hasReachedPaginationEnd || footerSpinnerView)
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{
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// We got all public rooms or we are already paginating
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// Do nothing
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return;
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}
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[self addSpinnerFooterView];
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__weak __typeof(self) weakSelf = self;
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[dataSource paginate:^(NSUInteger roomsAdded) {
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if (weakSelf)
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{
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__strong __typeof(weakSelf) self = weakSelf;
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if (roomsAdded)
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{
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[self.tableView reloadData];
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}
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[self removeSpinnerFooterView];
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}
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} failure:^(NSError *error) {
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if (weakSelf)
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{
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__strong __typeof(weakSelf) self = weakSelf;
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[self removeSpinnerFooterView];
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}
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}];
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}
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- (void)addSpinnerFooterView
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{
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if (!footerSpinnerView)
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{
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UIActivityIndicatorView* spinner = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
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spinner.transform = CGAffineTransformMakeScale(0.75f, 0.75f);
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CGRect frame = spinner.frame;
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frame.size.height = 80; // 80 * 0.75 = 60
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spinner.bounds = frame;
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spinner.color = [UIColor darkGrayColor];
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spinner.hidesWhenStopped = NO;
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spinner.backgroundColor = [UIColor clearColor];
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[spinner startAnimating];
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// No need to manage constraints here, iOS defines them
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self.tableView.tableFooterView = footerSpinnerView = spinner;
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}
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}
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- (void)removeSpinnerFooterView
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{
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if (footerSpinnerView)
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{
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footerSpinnerView = nil;
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// Hide line separators of empty cells
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self.tableView.tableFooterView = [[UIView alloc] init];;
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}
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}
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@end
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