mirror of
https://gitlab.opencode.de/bwi/bundesmessenger/clients/bundesmessenger-ios.git
synced 2026-04-19 16:13:42 +02:00
Structure project almost by features. Start by organizing view controllers.
This commit is contained in:
SBiOSoftWhare
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/*
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Copyright 2016 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 "RoomSearchViewController.h"
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#import "RoomMessagesSearchViewController.h"
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#import "RoomSearchDataSource.h"
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#import "RoomFilesSearchViewController.h"
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#import "FilesSearchCellData.h"
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#import "AppDelegate.h"
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@interface RoomSearchViewController ()
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{
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RoomMessagesSearchViewController *messagesSearchViewController;
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RoomSearchDataSource *messagesSearchDataSource;
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RoomFilesSearchViewController *filesSearchViewController;
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MXKSearchDataSource *filesSearchDataSource;
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}
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@end
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@implementation RoomSearchViewController
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- (void)finalizeInit
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{
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[super finalizeInit];
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// The navigation bar tint color and the rageShake Manager are handled by super (see SegmentedViewController).
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}
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- (void)viewDidLoad
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{
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// Set up the SegmentedVC tabs before calling [super viewDidLoad]
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NSMutableArray* viewControllers = [[NSMutableArray alloc] init];
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NSMutableArray* titles = [[NSMutableArray alloc] init];
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[titles addObject: NSLocalizedStringFromTable(@"search_messages", @"Vector", nil)];
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messagesSearchViewController = [RoomMessagesSearchViewController searchViewController];
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[viewControllers addObject:messagesSearchViewController];
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// add Files tab
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[titles addObject: NSLocalizedStringFromTable(@"search_files", @"Vector", nil)];
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filesSearchViewController = [RoomFilesSearchViewController searchViewController];
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[viewControllers addObject:filesSearchViewController];
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[self initWithTitles:titles viewControllers:viewControllers defaultSelected:0];
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[super viewDidLoad];
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// Add the Riot background image when search bar is empty
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[self addBackgroundImageViewToView:self.view];
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// Initialize here the data sources if a matrix session has been already set.
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[self initializeDataSources];
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self.searchBar.autocapitalizationType = UITextAutocapitalizationTypeNone;
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}
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- (void)userInterfaceThemeDidChange
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{
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[super userInterfaceThemeDidChange];
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UIImageView *backgroundImageView = self.backgroundImageView;
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if (backgroundImageView)
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{
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UIImage *image = [MXKTools paintImage:backgroundImageView.image withColor:kRiotKeyboardColor];
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backgroundImageView.image = image;
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}
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}
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- (void)destroy
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{
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[super destroy];
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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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// Let's child display the loading not this view controller
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if (self.activityIndicator)
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{
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[self.activityIndicator stopAnimating];
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self.activityIndicator = nil;
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}
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// Screen tracking
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[[Analytics sharedInstance] trackScreen:@"RoomsSearch"];
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// Enable the search field by default at the screen opening
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if (self.searchBarHidden)
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{
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[self showSearch:NO];
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}
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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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// Refresh the search results.
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// Note: We wait for 'viewDidAppear' call to consider the actual view size during this update.
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[self updateSearch];
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}
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#pragma mark -
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- (void)setRoomDataSource:(MXKRoomDataSource *)roomDataSource
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{
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// Remove existing matrix session if any
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while (self.mainSession)
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{
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[self removeMatrixSession:self.mainSession];
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}
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_roomDataSource = roomDataSource;
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[self addMatrixSession:_roomDataSource.mxSession];
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// Check whether the controller's view is already loaded into memory.
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if (messagesSearchViewController)
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{
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// Prepare data sources
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[self initializeDataSources];
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}
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}
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- (void)initializeDataSources
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{
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MXSession *mainSession = self.mainSession;
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if (mainSession && _roomDataSource)
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{
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// Init the search for messages
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messagesSearchDataSource = [[RoomSearchDataSource alloc] initWithRoomDataSource:_roomDataSource];
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[messagesSearchViewController displaySearch:messagesSearchDataSource];
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// Init the search for attachments
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filesSearchDataSource = [[MXKSearchDataSource alloc] initWithMatrixSession:mainSession];
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filesSearchDataSource.roomEventFilter.rooms = @[_roomDataSource.roomId];
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filesSearchDataSource.roomEventFilter.containsURL = YES;
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filesSearchDataSource.shouldShowRoomDisplayName = NO;
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[filesSearchDataSource registerCellDataClass:FilesSearchCellData.class forCellIdentifier:kMXKSearchCellDataIdentifier];
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[filesSearchViewController displaySearch:filesSearchDataSource];
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}
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}
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#pragma mark - Override MXKViewController
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- (void)setKeyboardHeight:(CGFloat)keyboardHeight
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{
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[self setKeyboardHeightForBackgroundImage:keyboardHeight];
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[super setKeyboardHeight:keyboardHeight];
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[self checkAndShowBackgroundImage];
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}
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- (void)startActivityIndicator
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{
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// Redirect the operation to the currently displayed VC
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// It is a MXKViewController or a MXKTableViewController. So it supports startActivityIndicator
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[self.selectedViewController performSelector:@selector(startActivityIndicator)];
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}
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- (void)stopActivityIndicator
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{
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// The selected view controller mwy have changed since the call of [self startActivityIndicator]
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// So, stop the activity indicator for all children
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for (UIViewController *viewController in self.viewControllers)
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{
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[viewController performSelector:@selector(stopActivityIndicator)];
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}
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}
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#pragma mark - Override UIViewController+VectorSearch
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- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText
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{
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if (!self.searchBar.text.length)
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{
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// Reset current search if any
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[self updateSearch];
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}
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}
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- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar
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{
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[searchBar resignFirstResponder];
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if (self.selectedViewController == messagesSearchViewController || self.selectedViewController == filesSearchViewController)
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{
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// As the messages/files search is done homeserver-side, launch it only on the "Search" button
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[self updateSearch];
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}
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}
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- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar
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{
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[searchBar resignFirstResponder];
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// Leave the screen
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[self.navigationController popViewControllerAnimated:YES];
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}
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- (void)setKeyboardHeightForBackgroundImage:(CGFloat)keyboardHeight
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{
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[super setKeyboardHeightForBackgroundImage:keyboardHeight];
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if (keyboardHeight > 0)
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{
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[self checkAndShowBackgroundImage];
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}
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}
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// Check conditions before displaying the background
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- (void)checkAndShowBackgroundImage
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{
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// Note: This background is hidden when keyboard is dismissed.
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// The other conditions depend on the current selected view controller.
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if (self.selectedViewController == messagesSearchViewController)
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{
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self.backgroundImageView.hidden = ((messagesSearchDataSource.serverCount != 0) || !messagesSearchViewController.noResultsLabel.isHidden || (self.keyboardHeight == 0));
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}
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else if (self.selectedViewController == filesSearchViewController)
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{
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self.backgroundImageView.hidden = ((filesSearchDataSource.serverCount != 0) || !filesSearchViewController.noResultsLabel.isHidden || (self.keyboardHeight == 0));
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}
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else
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{
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self.backgroundImageView.hidden = (self.keyboardHeight == 0);
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}
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if (!self.backgroundImageView.hidden)
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{
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[self.backgroundImageView layoutIfNeeded];
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[self.selectedViewController.view layoutIfNeeded];
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// Check whether there is enough space to display this background
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// For example, in landscape with the iPhone 5 & 6 screen size, the backgroundImageView must be hidden.
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if (self.backgroundImageView.frame.origin.y < 0 || (self.selectedViewController.view.frame.size.height - self.backgroundImageViewBottomConstraint.constant) < self.backgroundImageView.frame.size.height)
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{
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self.backgroundImageView.hidden = YES;
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}
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}
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}
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#pragma mark - Override SegmentedViewController
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- (void)setSelectedIndex:(NSUInteger)selectedIndex
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{
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[super setSelectedIndex:selectedIndex];
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[self updateSearch];
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}
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#pragma mark - Navigation
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- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
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{
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[super prepareForSegue:segue sender:sender];
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if ([[segue identifier] isEqualToString:@"showTimeline"])
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{
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// Check whether an event has been selected from messages or files search tab
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MXEvent *selectedSearchEvent = messagesSearchViewController.selectedEvent;
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MXSession *selectedSearchEventSession = messagesSearchDataSource.mxSession;
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if (!selectedSearchEvent)
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{
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selectedSearchEvent = filesSearchViewController.selectedEvent;
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selectedSearchEventSession = filesSearchDataSource.mxSession;
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}
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if (selectedSearchEvent)
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{
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RoomViewController *roomViewController = segue.destinationViewController;
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RoomDataSource *roomDataSource = [[RoomDataSource alloc] initWithRoomId:selectedSearchEvent.roomId initialEventId:selectedSearchEvent.eventId andMatrixSession:selectedSearchEventSession];
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[roomDataSource finalizeInitialization];
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roomDataSource.markTimelineInitialEvent = YES;
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[roomViewController displayRoom:roomDataSource];
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roomViewController.hasRoomDataSourceOwnership = YES;
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roomViewController.navigationItem.leftItemsSupplementBackButton = YES;
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}
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// Hide back button title
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self.navigationItem.backBarButtonItem =[[UIBarButtonItem alloc] initWithTitle:@"" style:UIBarButtonItemStylePlain target:nil action:nil];
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}
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}
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#pragma mark - Search
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// Update search results under the currently selected tab
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- (void)updateSearch
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{
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if (self.searchBar.text.length)
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{
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self.backgroundImageView.hidden = YES;
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// Forward the search request to the data source
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if (self.selectedViewController == messagesSearchViewController)
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{
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// Launch the search only if the keyboard is no more visible
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if (!self.searchBar.isFirstResponder)
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{
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// Do it asynchronously to give time to messagesSearchViewController to be set up
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// so that it can display its loading wheel
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dispatch_async(dispatch_get_main_queue(), ^{
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[messagesSearchDataSource searchMessages:self.searchBar.text force:NO];
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messagesSearchViewController.shouldScrollToBottomOnRefresh = YES;
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});
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}
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}
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else if (self.selectedViewController == filesSearchViewController)
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{
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// Launch the search only if the keyboard is no more visible
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if (!self.searchBar.isFirstResponder)
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{
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// Do it asynchronously to give time to filesSearchViewController to be set up
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// so that it can display its loading wheel
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dispatch_async(dispatch_get_main_queue(), ^{
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[filesSearchDataSource searchMessages:self.searchBar.text force:NO];
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filesSearchViewController.shouldScrollToBottomOnRefresh = YES;
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});
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}
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}
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}
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else
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{
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// Nothing to search - Reset search result (if any)
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if (messagesSearchDataSource.searchText.length)
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{
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[messagesSearchDataSource searchMessages:nil force:NO];
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}
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if (filesSearchDataSource.searchText.length)
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{
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[filesSearchDataSource searchMessages:nil force:NO];
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}
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}
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[self checkAndShowBackgroundImage];
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}
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@end
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