// This file is based on third party code, see below for the original author // and original license. // Modifications are (c) by Threema GmbH and licensed under the AGPLv3. // // MWPhotoBrowser.m // MWPhotoBrowser // // Created by Michael Waterfall on 14/10/2010. // Copyright 2010 d3i. All rights reserved. // #import #import "MWCommon.h" #import "MWPhotoBrowser.h" #import "MWPhotoBrowserPrivate.h" #import "SDImageCache.h" #import "UIImage+MWPhotoBrowser.h" ///***** BEGIN THREEMA MODIFICATION: Add AppGroup and utils *********/ #import "TTOpenInAppActivity.h" #import "ForwardURLActivity.h" #import "ForwardMultipleURLActivity.h" #import "AppGroup.h" #import "Utils.h" #import "ChatViewHeader.h" #import "Threema-Swift.h" #import "ActivityUtil.h" #import "ContactGroupPickerViewController.h" #import "FeatureMaskChecker.h" ///***** END THREEMA MODIFICATION: Add AppGroup and utils *********/ #define PADDING 10 static void * MWVideoPlayerObservation = &MWVideoPlayerObservation; ///***** BEGIN THREEMA MODIFICATION: Add delegates *********/ @interface MWPhotoBrowser () @end ///***** END THREEMA MODIFICATION: Add delegates *********/ @implementation MWPhotoBrowser #pragma mark - Init - (id)init { if ((self = [super init])) { [self _initialisation]; } return self; } - (id)initWithDelegate:(id )delegate { if ((self = [self init])) { _delegate = delegate; } return self; } - (id)initWithPhotos:(NSArray *)photosArray { if ((self = [self init])) { _fixedPhotosArray = photosArray; } return self; } - (id)initWithCoder:(NSCoder *)decoder { if ((self = [super initWithCoder:decoder])) { [self _initialisation]; } return self; } - (void)_initialisation { // Defaults NSNumber *isVCBasedStatusBarAppearanceNum = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"UIViewControllerBasedStatusBarAppearance"]; if (isVCBasedStatusBarAppearanceNum) { _isVCBasedStatusBarAppearance = isVCBasedStatusBarAppearanceNum.boolValue; } else { _isVCBasedStatusBarAppearance = YES; // default } self.hidesBottomBarWhenPushed = YES; _hasBelongedToViewController = NO; _photoCount = NSNotFound; _previousLayoutBounds = CGRectZero; _currentPageIndex = 0; _previousPageIndex = NSUIntegerMax; _currentVideoIndex = NSUIntegerMax; _displayActionButton = YES; _displayNavArrows = NO; _zoomPhotosToFill = YES; _performingLayout = NO; // Reset on view did appear _rotating = NO; _viewIsActive = NO; _enableGrid = YES; _startOnGrid = NO; _enableSwipeToDismiss = YES; _delayToHideElements = 5; ///***** BEGIN THREEMA MODIFICATION: don't hide controll when voiceover is running *********/ if (UIAccessibilityIsVoiceOverRunning()) { _alwaysShowControls = YES; } else { _alwaysShowControls = NO; } ///***** END THREEMA MODIFICATION: don't hide controll when voiceover is running *********/ _visiblePages = [[NSMutableSet alloc] init]; _recycledPages = [[NSMutableSet alloc] init]; _photos = [[NSMutableArray alloc] init]; _thumbPhotos = [[NSMutableArray alloc] init]; ///***** BEGIN THREEMA MODIFICATION: iOS 11 *********/ // _currentGridContentOffset = CGPointMake(0, CGFLOAT_MAX); if (@available(iOS 11.0, *)) { } else { _currentGridContentOffset = CGPointMake(0, CGFLOAT_MAX); } ///***** END THREEMA MODIFICATION: iOS 11 *********/ _didSavePreviousStateOfNavBar = NO; _testCount = 0; self.automaticallyAdjustsScrollViewInsets = NO; // Listen for MWPhoto notifications [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleMWPhotoLoadingDidEndNotification:) name:MWPHOTO_LOADING_DID_END_NOTIFICATION object:nil]; /***** BEGIN THREEMA MODIFICATION: listen for application foreground/background events to fix status bar *********/ [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationWillEnterForeground:) name:UIApplicationWillEnterForegroundNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationDidEnterBackground:) name:UIApplicationDidEnterBackgroundNotification object:nil]; /***** END THREEMA MODIFICATION: listen for application foreground/background events to fix status bar *********/ } - (void)dealloc { [self clearCurrentVideo: true]; _pagingScrollView.delegate = nil; [[NSNotificationCenter defaultCenter] removeObserver:self]; [self releaseAllUnderlyingPhotos:NO]; [[SDImageCache sharedImageCache] clearMemory]; // clear memory } - (void)releaseAllUnderlyingPhotos:(BOOL)preserveCurrent { // Create a copy in case this array is modified while we are looping through // Release photos NSArray *copy = [_photos copy]; for (id p in copy) { if (p != [NSNull null]) { if (preserveCurrent && p == [self photoAtIndex:self.currentIndex]) { continue; // skip current } [p unloadUnderlyingImage]; } } // Release thumbs copy = [_thumbPhotos copy]; for (id p in copy) { if (p != [NSNull null]) { [p unloadUnderlyingImage]; } } } - (void)didReceiveMemoryWarning { // Release any cached data, images, etc that aren't in use. [self releaseAllUnderlyingPhotos:YES]; [_recycledPages removeAllObjects]; // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; } #pragma mark - View Loading // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { // Validate grid settings if (_startOnGrid) _enableGrid = YES; if (_enableGrid) { _enableGrid = [_delegate respondsToSelector:@selector(photoBrowser:thumbPhotoAtIndex:)]; } if (!_enableGrid) _startOnGrid = NO; // View self.view.backgroundColor = [UIColor blackColor]; self.view.clipsToBounds = YES; // Setup paging scrolling view CGRect pagingScrollViewFrame = [self frameForPagingScrollView]; _pagingScrollView = [[UIScrollView alloc] initWithFrame:pagingScrollViewFrame]; _pagingScrollView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight; _pagingScrollView.pagingEnabled = YES; _pagingScrollView.delegate = self; _pagingScrollView.showsHorizontalScrollIndicator = NO; _pagingScrollView.showsVerticalScrollIndicator = NO; _pagingScrollView.backgroundColor = [UIColor blackColor]; _pagingScrollView.contentSize = [self contentSizeForPagingScrollView]; [self.view addSubview:_pagingScrollView]; // Toolbar _toolbar = [[UIToolbar alloc] initWithFrame:[self frameForToolbarAtOrientation:[[UIApplication sharedApplication] statusBarOrientation]]]; _toolbar.tintColor = [UIColor whiteColor]; _toolbar.barTintColor = nil; [_toolbar setBackgroundImage:nil forToolbarPosition:UIToolbarPositionAny barMetrics:UIBarMetricsDefault]; [_toolbar setBackgroundImage:nil forToolbarPosition:UIToolbarPositionAny barMetrics:UIBarMetricsCompact]; _toolbar.barStyle = UIBarStyleBlackTranslucent; _toolbar.autoresizingMask = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth; // Toolbar _gridToolbar = [[UIToolbar alloc] initWithFrame:[self frameForToolbarAtOrientation:[[UIApplication sharedApplication] statusBarOrientation]]]; _gridToolbar.tintColor = [UIColor whiteColor]; _gridToolbar.barTintColor = nil; [_gridToolbar setBackgroundImage:nil forToolbarPosition:UIToolbarPositionAny barMetrics:UIBarMetricsDefault]; [_gridToolbar setBackgroundImage:nil forToolbarPosition:UIToolbarPositionAny barMetrics:UIBarMetricsCompact]; _gridToolbar.barStyle = UIBarStyleBlackTranslucent; _gridToolbar.autoresizingMask = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth; // Toolbar Items if (self.displayNavArrows) { NSString *arrowPathFormat = @"MWPhotoBrowser.bundle/UIBarButtonItemArrow%@"; UIImage *previousButtonImage = [UIImage imageForResourcePath:[NSString stringWithFormat:arrowPathFormat, @"Left"] ofType:@"png" inBundle:[NSBundle bundleForClass:[self class]]]; UIImage *nextButtonImage = [UIImage imageForResourcePath:[NSString stringWithFormat:arrowPathFormat, @"Right"] ofType:@"png" inBundle:[NSBundle bundleForClass:[self class]]]; _previousButton = [[UIBarButtonItem alloc] initWithImage:previousButtonImage style:UIBarButtonItemStylePlain target:self action:@selector(gotoPreviousPage)]; _nextButton = [[UIBarButtonItem alloc] initWithImage:nextButtonImage style:UIBarButtonItemStylePlain target:self action:@selector(gotoNextPage)]; } if (self.displayActionButton) { _actionButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(actionButtonPressed:)]; _actionMultipleButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(actionMultipleButtonPressed:)]; } /***** BEGIN THREEMA MODIFICATION: add delete button *********/ if (self.displayDeleteButton) { _deleteSingleButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemTrash target:self action:@selector(deleteButtonPressed:)]; _deleteMultipleButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemTrash target:self action:@selector(deleteMultipleButtonPressed:)]; } /***** END THREEMA MODIFICATION: add delete button *********/ // Update [self reloadData: true]; // Swipe to dismiss if (_enableSwipeToDismiss) { UISwipeGestureRecognizer *swipeGesture = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(doneButtonPressed:)]; swipeGesture.direction = UISwipeGestureRecognizerDirectionDown | UISwipeGestureRecognizerDirectionUp; [self.view addGestureRecognizer:swipeGesture]; } // Super [super viewDidLoad]; } - (void)performLayout { // Setup _performingLayout = YES; NSUInteger numberOfPhotos = [self numberOfPhotos]; // Setup pages [_visiblePages removeAllObjects]; [_recycledPages removeAllObjects]; // Navigation buttons if ([self.navigationController.viewControllers objectAtIndex:0] == self || self.navigationController == nil) { // We're first on stack so show done button _doneButton = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Done", nil) style:UIBarButtonItemStylePlain target:self action:@selector(doneButtonPressed:)]; // Set appearance [_doneButton setBackgroundImage:nil forState:UIControlStateNormal barMetrics:UIBarMetricsDefault]; [_doneButton setBackgroundImage:nil forState:UIControlStateNormal barMetrics:UIBarMetricsCompact]; [_doneButton setBackgroundImage:nil forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault]; [_doneButton setBackgroundImage:nil forState:UIControlStateHighlighted barMetrics:UIBarMetricsCompact]; [_doneButton setTitleTextAttributes:[NSDictionary dictionary] forState:UIControlStateNormal]; [_doneButton setTitleTextAttributes:[NSDictionary dictionary] forState:UIControlStateHighlighted]; /***** BEGIN THREEMA MODIFICATION: 'done' on left *********/ self.navigationItem.leftBarButtonItem = _doneButton; /***** END THREEMA MODIFICATION: 'done' on left *********/ } else { // We're not first so show back button UIViewController *previousViewController = [self.navigationController.viewControllers objectAtIndex:self.navigationController.viewControllers.count-2]; NSString *backButtonTitle = previousViewController.navigationItem.backBarButtonItem ? previousViewController.navigationItem.backBarButtonItem.title : previousViewController.title; UIBarButtonItem *newBackButton = [[UIBarButtonItem alloc] initWithTitle:backButtonTitle style:UIBarButtonItemStylePlain target:nil action:nil]; // Appearance [newBackButton setBackButtonBackgroundImage:nil forState:UIControlStateNormal barMetrics:UIBarMetricsDefault]; [newBackButton setBackButtonBackgroundImage:nil forState:UIControlStateNormal barMetrics:UIBarMetricsCompact]; [newBackButton setBackButtonBackgroundImage:nil forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault]; [newBackButton setBackButtonBackgroundImage:nil forState:UIControlStateHighlighted barMetrics:UIBarMetricsCompact]; [newBackButton setTitleTextAttributes:[NSDictionary dictionary] forState:UIControlStateNormal]; [newBackButton setTitleTextAttributes:[NSDictionary dictionary] forState:UIControlStateHighlighted]; _previousViewControllerBackButton = previousViewController.navigationItem.backBarButtonItem; // remember previous previousViewController.navigationItem.backBarButtonItem = newBackButton; } // Toolbar items BOOL hasItems = NO; UIBarButtonItem *fixedSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:self action:nil]; fixedSpace.width = 32; // To balance action button UIBarButtonItem *flexSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:self action:nil]; NSMutableArray *items = [[NSMutableArray alloc] init]; // Left button - Grid if (_enableGrid) { hasItems = YES; ///***** BEGIN THREEMA MODIFICATION: don't hide controll when voiceover is running *********/ UIBarButtonItem *item = [[UIBarButtonItem alloc] initWithImage:[UIImage imageForResourcePath:@"MWPhotoBrowser.bundle/UIBarButtonItemGrid" ofType:@"png" inBundle:[NSBundle bundleForClass:[self class]]] style:UIBarButtonItemStylePlain target:self action:@selector(showGridAnimated)]; item.accessibilityLabel = NSLocalizedString(@"media_overview", nil); [items addObject:item]; ///***** END THREEMA MODIFICATION: don't hide controll when voiceover is running *********/ } else { [items addObject:fixedSpace]; } // Middle - Nav if (_previousButton && _nextButton && numberOfPhotos > 1) { hasItems = YES; [items addObject:flexSpace]; [items addObject:_previousButton]; [items addObject:flexSpace]; /***** BEGIN THREEMA MODIFICATION: add delete single button *********/ if (_deleteSingleButton) { [items addObject:_deleteSingleButton]; [items addObject:flexSpace]; } /***** END THREEMA MODIFICATION: add delete single button *********/ [items addObject:_nextButton]; [items addObject:flexSpace]; } else { [items addObject:flexSpace]; /***** BEGIN THREEMA MODIFICATION: add delete single button *********/ if (_deleteSingleButton) { [items addObject:_deleteSingleButton]; [items addObject:flexSpace]; } /***** END THREEMA MODIFICATION: add delete single button *********/ } // Right - Action if (_actionButton && !(!hasItems && !self.navigationItem.rightBarButtonItem)) { [items addObject:_actionButton]; } else { // We're not showing the toolbar so try and show in top right if (_actionButton) self.navigationItem.rightBarButtonItem = _actionButton; [items addObject:fixedSpace]; } // Toolbar visibility [_toolbar setItems:items]; BOOL hideToolbar = YES; for (UIBarButtonItem* item in _toolbar.items) { if (item != fixedSpace && item != flexSpace) { hideToolbar = NO; break; } } if (hideToolbar) { [_toolbar removeFromSuperview]; } else { [self.view addSubview:_toolbar]; } ///***** BEGIN THREEMA MODIFICATION: Add grid toolbar *********/ // Grid toolbar items NSMutableArray *gridItems = [[NSMutableArray alloc] init]; // Left button - Delete multiple if (_deleteMultipleButton) { [gridItems addObject:_deleteMultipleButton]; } else { [gridItems addObject:fixedSpace]; } // Middle - empty [gridItems addObject:flexSpace]; // Right - Action if (_actionMultipleButton) { [gridItems addObject:_actionMultipleButton]; } else { [gridItems addObject:fixedSpace]; } // GridToolbar visibility [_gridToolbar setItems:gridItems]; [_gridToolbar removeFromSuperview]; ///***** END THREEMA MODIFICATION: Add grid toolbar *********/ // Update nav [self updateNavigation]; // Content offset _pagingScrollView.contentOffset = [self contentOffsetForPageAtIndex:_currentPageIndex]; [self tilePages]; _performingLayout = NO; } - (BOOL)presentingViewControllerPrefersStatusBarHidden { UIViewController *presenting = self.presentingViewController; if (presenting) { if ([presenting isKindOfClass:[UINavigationController class]]) { presenting = [(UINavigationController *)presenting topViewController]; } } else { // We're in a navigation controller so get previous one! if (self.navigationController && self.navigationController.viewControllers.count > 1) { presenting = [self.navigationController.viewControllers objectAtIndex:self.navigationController.viewControllers.count-2]; } } if (presenting) { return [presenting prefersStatusBarHidden]; } else { return NO; } } #pragma mark - Appearance - (void)viewWillAppear:(BOOL)animated { // Super [super viewWillAppear:animated]; // Status bar if (!_viewHasAppearedInitially) { _leaveStatusBarAlone = [self presentingViewControllerPrefersStatusBarHidden]; // Check if status bar is hidden on first appear, and if so then ignore it if (CGRectEqualToRect([[UIApplication sharedApplication] statusBarFrame], CGRectZero)) { _leaveStatusBarAlone = YES; } } // Set style if (!_leaveStatusBarAlone && UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) { _previousStatusBarStyle = [[UIApplication sharedApplication] statusBarStyle]; [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent animated:animated]; } // Navigation bar appearance if (!_viewIsActive && [self.navigationController.viewControllers objectAtIndex:0] != self) { [self storePreviousNavBarAppearance]; } [self setNavBarAppearance:animated]; // Update UI [self hideControlsAfterDelay]; // Initial appearance if (!_viewHasAppearedInitially) { if (_startOnGrid) { [self showGrid:NO]; } } // If rotation occured while we're presenting a modal // and the index changed, make sure we show the right one now if (_currentPageIndex != _pageIndexBeforeRotation) { [self jumpToPageAtIndex:_pageIndexBeforeRotation animated:NO]; } // Layout /***** BEGIN THREEMA MODIFICATION: ios 11 bugfix *********/ if (@available(iOS 11.0, *)) { [self layoutVisiblePages]; } /***** END THREEMA MODIFICATION: ios 11 bu gfix *********/ [self.view setNeedsLayout]; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; _viewIsActive = YES; // Autoplay if first is video if (!_viewHasAppearedInitially) { if (_autoPlayOnAppear) { MWPhoto *photo = [self photoAtIndex:_currentPageIndex]; if ([photo respondsToSelector:@selector(isVideo)] && photo.isVideo) { [self playVideoAtIndex:_currentPageIndex]; } } } _viewHasAppearedInitially = YES; } /***** BEGIN THREEMA MODIFICATION: show controls/status bar when moving into background to avoid iOS 8 back button bug *********/ - (void)applicationDidEnterBackground:(NSNotification*)notification { [self setControlsHidden:NO animated:NO permanent:YES]; } - (void)applicationWillEnterForeground:(NSNotification*)notification { [self hideControlsAfterDelay]; } /***** END THREEMA MODIFICATION: show controls/status bar when moving into background to avoid iOS 8 back button bug *********/ - (void)viewWillDisappear:(BOOL)animated { // Detect if rotation occurs while we're presenting a modal _pageIndexBeforeRotation = _currentPageIndex; // Check that we're disappearing for good // self.isMovingFromParentViewController just doesn't work, ever. Or self.isBeingDismissed if ((_doneButton && self.navigationController.isBeingDismissed) || ([self.navigationController.viewControllers objectAtIndex:0] != self && ![self.navigationController.viewControllers containsObject:self])) { // State _viewIsActive = NO; [self clearCurrentVideo: true]; // Clear current playing video // Bar state / appearance [self restorePreviousNavBarAppearance:animated]; } // Controls [self.navigationController.navigationBar.layer removeAllAnimations]; // Stop all animations on nav bar [NSObject cancelPreviousPerformRequestsWithTarget:self]; // Cancel any pending toggles from taps [self setControlsHidden:NO animated:NO permanent:YES]; // Status bar if (!_leaveStatusBarAlone && UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) { [[UIApplication sharedApplication] setStatusBarStyle:_previousStatusBarStyle animated:animated]; } // Super [super viewWillDisappear:animated]; } ///***** BEGIN THREEMA MODIFICATION: show controls/status bar when moving into background to avoid iOS 8 back button bug *********/ //- (void)applicationDidEnterBackground:(NSNotification*)notification { // [self setControlsHidden:NO animated:NO permanent:YES]; //} // //- (void)applicationWillEnterForeground:(NSNotification*)notification { // [self hideControlsAfterDelay]; //} ///***** END THREEMA MODIFICATION: show controls/status bar when moving into background to avoid iOS 8 back button bug *********/ - (void)willMoveToParentViewController:(UIViewController *)parent { if (parent && _hasBelongedToViewController) { [NSException raise:@"MWPhotoBrowser Instance Reuse" format:@"MWPhotoBrowser instances cannot be reused."]; } } - (void)didMoveToParentViewController:(UIViewController *)parent { if (!parent) _hasBelongedToViewController = YES; } #pragma mark - Nav Bar Appearance - (void)setNavBarAppearance:(BOOL)animated { [self.navigationController setNavigationBarHidden:NO animated:animated]; UINavigationBar *navBar = self.navigationController.navigationBar; navBar.tintColor = [UIColor whiteColor]; navBar.barTintColor = nil; navBar.shadowImage = nil; navBar.translucent = YES; navBar.barStyle = UIBarStyleBlackTranslucent; [navBar setBackgroundImage:nil forBarMetrics:UIBarMetricsDefault]; [navBar setBackgroundImage:nil forBarMetrics:UIBarMetricsCompact]; /***** BEGIN THREEMA MODIFICATION: adapt to own style *********/ [Colors updateNavigationBar: navBar]; /***** END THREEMA MODIFICATION *********/ } - (void)storePreviousNavBarAppearance { _didSavePreviousStateOfNavBar = YES; _previousNavBarBarTintColor = self.navigationController.navigationBar.barTintColor; _previousNavBarTranslucent = self.navigationController.navigationBar.translucent; _previousNavBarTintColor = self.navigationController.navigationBar.tintColor; _previousNavBarHidden = self.navigationController.navigationBarHidden; _previousNavBarStyle = self.navigationController.navigationBar.barStyle; _previousNavigationBarBackgroundImageDefault = [self.navigationController.navigationBar backgroundImageForBarMetrics:UIBarMetricsDefault]; _previousNavigationBarBackgroundImageLandscapePhone = [self.navigationController.navigationBar backgroundImageForBarMetrics:UIBarMetricsCompact]; } - (void)restorePreviousNavBarAppearance:(BOOL)animated { if (_didSavePreviousStateOfNavBar) { [self.navigationController setNavigationBarHidden:_previousNavBarHidden animated:animated]; UINavigationBar *navBar = self.navigationController.navigationBar; navBar.tintColor = _previousNavBarTintColor; navBar.translucent = _previousNavBarTranslucent; navBar.barTintColor = _previousNavBarBarTintColor; navBar.barStyle = _previousNavBarStyle; [navBar setBackgroundImage:_previousNavigationBarBackgroundImageDefault forBarMetrics:UIBarMetricsDefault]; [navBar setBackgroundImage:_previousNavigationBarBackgroundImageLandscapePhone forBarMetrics:UIBarMetricsCompact]; // Restore back button if we need to if (_previousViewControllerBackButton) { UIViewController *previousViewController = [self.navigationController topViewController]; // We've disappeared so previous is now top previousViewController.navigationItem.backBarButtonItem = _previousViewControllerBackButton; _previousViewControllerBackButton = nil; } } } #pragma mark - Layout - (void)viewWillLayoutSubviews { [super viewWillLayoutSubviews]; /***** BEGIN THREEMA MODIFICATION: ios 11 bugfix *********/ if (@available(iOS 11.0, *)) { // do nothing } else { [self layoutVisiblePages]; } /***** END THREEMA MODIFICATION: ios 11 bugfix *********/ } - (void)layoutVisiblePages { // Flag _performingLayout = YES; // Toolbar _toolbar.frame = [self frameForToolbarAtOrientation:[[UIApplication sharedApplication] statusBarOrientation]]; _gridToolbar.frame = [self frameForToolbarAtOrientation:[[UIApplication sharedApplication] statusBarOrientation]]; // Remember index NSUInteger indexPriorToLayout = _currentPageIndex; // Get paging scroll view frame to determine if anything needs changing CGRect pagingScrollViewFrame = [self frameForPagingScrollView]; // Frame needs changing if (!_skipNextPagingScrollViewPositioning) { _pagingScrollView.frame = pagingScrollViewFrame; } _skipNextPagingScrollViewPositioning = NO; // Recalculate contentSize based on current orientation _pagingScrollView.contentSize = [self contentSizeForPagingScrollView]; // Adjust frames and configuration of each visible page for (MWZoomingScrollView *page in _visiblePages) { NSUInteger index = page.index; page.frame = [self frameForPageAtIndex:index]; if (page.captionView) { page.captionView.frame = [self frameForCaptionView:page.captionView atIndex:index]; } if (page.selectedButton) { page.selectedButton.frame = [self frameForSelectedButton:page.selectedButton atIndex:index]; } if (page.playButton) { page.playButton.frame = [self frameForPlayButton:page.playButton atIndex:index]; } // Adjust scales if bounds has changed since last time if (!CGRectEqualToRect(_previousLayoutBounds, self.view.bounds)) { // Update zooms for new bounds [page setMaxMinZoomScalesForCurrentBounds]; _previousLayoutBounds = self.view.bounds; } } // Adjust video loading indicator if it's visible [self positionVideoLoadingIndicator]; // Adjust contentOffset to preserve page location based on values collected prior to location _pagingScrollView.contentOffset = [self contentOffsetForPageAtIndex:indexPriorToLayout]; [self didStartViewingPageAtIndex:_currentPageIndex]; // initial // Reset _currentPageIndex = indexPriorToLayout; _performingLayout = NO; } #pragma mark - Rotation - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation { return YES; } - (UIInterfaceOrientationMask)supportedInterfaceOrientations { return UIInterfaceOrientationMaskAll; } - (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration { // Remember page index before rotation _pageIndexBeforeRotation = _currentPageIndex; _rotating = YES; // In iOS 7 the nav bar gets shown after rotation, but might as well do this for everything! if ([self areControlsHidden]) { // Force hidden self.navigationController.navigationBarHidden = YES; } } - (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration { // Perform layout _currentPageIndex = _pageIndexBeforeRotation; // Delay control holding [self hideControlsAfterDelay]; // Layout [self layoutVisiblePages]; /***** BEGIN THREEMA MODIFICATION: refresh status bar visibility when rotating on iOS 8.0 *********/ [self setNeedsStatusBarAppearanceUpdate]; /***** END THREEMA MODIFICATION: refresh status bar visibility when rotating on iOS 8.0 *********/ } - (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation { _rotating = NO; // Ensure nav bar isn't re-displayed if ([self areControlsHidden]) { self.navigationController.navigationBarHidden = NO; self.navigationController.navigationBar.alpha = 0; } } #pragma mark - Data - (NSUInteger)currentIndex { return _currentPageIndex; } /***** BEGIN THREEMA MODIFICATION: update for delete files *********/ - (void)reloadData:(BOOL)updateLayout { // Reset _photoCount = NSNotFound; // Get data NSUInteger numberOfPhotos = [self numberOfPhotos]; [self releaseAllUnderlyingPhotos:YES]; [_photos removeAllObjects]; [_thumbPhotos removeAllObjects]; for (int i = 0; i < numberOfPhotos; i++) { [_photos addObject:[NSNull null]]; [_thumbPhotos addObject:[NSNull null]]; } // Update current page index if (numberOfPhotos > 0) { _currentPageIndex = MAX(0, MIN(_currentPageIndex, numberOfPhotos - 1)); } else { _currentPageIndex = 0; } if (_gridController) { _toolbar.alpha = 0.0; } // Update layout if ([self isViewLoaded] && updateLayout) { _pagingScrollView.contentSize = [self contentSizeForPagingScrollView]; while (_pagingScrollView.subviews.count) { [[_pagingScrollView.subviews lastObject] removeFromSuperview]; } [self performLayout]; [self.view setNeedsLayout]; } } /***** END THREEMA MODIFICATION: update for delete files *********/ - (NSUInteger)numberOfPhotos { if (_photoCount == NSNotFound) { if ([_delegate respondsToSelector:@selector(numberOfPhotosInPhotoBrowser:)]) { _photoCount = [_delegate numberOfPhotosInPhotoBrowser:self]; } else if (_fixedPhotosArray) { _photoCount = _fixedPhotosArray.count; } } if (_photoCount == NSNotFound) _photoCount = 0; return _photoCount; } - (id)photoAtIndex:(NSUInteger)index { id photo = nil; if (index < _photos.count) { if ([_photos objectAtIndex:index] == [NSNull null]) { if ([_delegate respondsToSelector:@selector(photoBrowser:photoAtIndex:)]) { photo = [_delegate photoBrowser:self photoAtIndex:index]; } else if (_fixedPhotosArray && index < _fixedPhotosArray.count) { photo = [_fixedPhotosArray objectAtIndex:index]; } if (photo) [_photos replaceObjectAtIndex:index withObject:photo]; } else { photo = [_photos objectAtIndex:index]; } } return photo; } - (id)thumbPhotoAtIndex:(NSUInteger)index { id photo = nil; if (index < _thumbPhotos.count) { if ([_thumbPhotos objectAtIndex:index] == [NSNull null]) { if ([_delegate respondsToSelector:@selector(photoBrowser:thumbPhotoAtIndex:)]) { photo = [_delegate photoBrowser:self thumbPhotoAtIndex:index]; } if (photo) [_thumbPhotos replaceObjectAtIndex:index withObject:photo]; } else { photo = [_thumbPhotos objectAtIndex:index]; } } return photo; } - (MWCaptionView *)captionViewForPhotoAtIndex:(NSUInteger)index { MWCaptionView *captionView = nil; if ([_delegate respondsToSelector:@selector(photoBrowser:captionViewForPhotoAtIndex:)]) { captionView = [_delegate photoBrowser:self captionViewForPhotoAtIndex:index]; } else { id photo = [self photoAtIndex:index]; if ([photo respondsToSelector:@selector(caption)]) { if ([photo caption]) captionView = [[MWCaptionView alloc] initWithPhoto:photo]; } } captionView.alpha = [self areControlsHidden] ? 0 : 1; // Initial alpha return captionView; } - (BOOL)photoIsSelectedAtIndex:(NSUInteger)index { BOOL value = NO; if (_displaySelectionButtons) { if ([self.delegate respondsToSelector:@selector(photoBrowser:isPhotoSelectedAtIndex:)]) { value = [self.delegate photoBrowser:self isPhotoSelectedAtIndex:index]; } } return value; } - (void)setPhotoSelected:(BOOL)selected atIndex:(NSUInteger)index { if (_displaySelectionButtons) { if ([self.delegate respondsToSelector:@selector(photoBrowser:photoAtIndex:selectedChanged:)]) { [self.delegate photoBrowser:self photoAtIndex:index selectedChanged:selected]; } if ([self.delegate respondsToSelector:@selector(mediaSelectionCount)]) { NSUInteger selectionCount = [((ChatViewHeader *)self.delegate) mediaSelectionCount]; _deleteMultipleButton.enabled = selectionCount > 0; _actionMultipleButton.enabled = selectionCount > 0; } } } - (UIImage *)imageForPhoto:(id)photo { if (photo) { // Get image or obtain in background if ([photo underlyingImage]) { return [photo underlyingImage]; } else { [photo loadUnderlyingImageAndNotify]; } } return nil; } - (void)loadAdjacentPhotosIfNecessary:(id)photo { MWZoomingScrollView *page = [self pageDisplayingPhoto:photo]; if (page) { // If page is current page then initiate loading of previous and next pages NSUInteger pageIndex = page.index; if (_currentPageIndex == pageIndex) { if (pageIndex > 0) { // Preload index - 1 id photo = [self photoAtIndex:pageIndex-1]; if (![photo underlyingImage]) { [photo loadUnderlyingImageAndNotify]; MWLog(@"Pre-loading image at index %lu", (unsigned long)pageIndex-1); } } if (pageIndex < [self numberOfPhotos] - 1) { // Preload index + 1 id photo = [self photoAtIndex:pageIndex+1]; if (![photo underlyingImage]) { [photo loadUnderlyingImageAndNotify]; MWLog(@"Pre-loading image at index %lu", (unsigned long)pageIndex+1); } } } } } #pragma mark - MWPhoto Loading Notification - (void)handleMWPhotoLoadingDidEndNotification:(NSNotification *)notification { id photo = [notification object]; MWZoomingScrollView *page = [self pageDisplayingPhoto:photo]; if (page) { if ([photo underlyingImage]) { // Successful load [page displayImage]; [self loadAdjacentPhotosIfNecessary:photo]; } else { // Failed to load [page displayImageFailure]; } // Update nav [self updateNavigation]; } } #pragma mark - Paging - (void)tilePages { // Calculate which pages should be visible // Ignore padding as paging bounces encroach on that // and lead to false page loads CGRect visibleBounds = _pagingScrollView.bounds; NSInteger iFirstIndex = (NSInteger)floorf((CGRectGetMinX(visibleBounds)+PADDING*2) / CGRectGetWidth(visibleBounds)); NSInteger iLastIndex = (NSInteger)floorf((CGRectGetMaxX(visibleBounds)-PADDING*2-1) / CGRectGetWidth(visibleBounds)); if (iFirstIndex < 0) iFirstIndex = 0; if (iFirstIndex > [self numberOfPhotos] - 1) iFirstIndex = [self numberOfPhotos] - 1; if (iLastIndex < 0) iLastIndex = 0; if (iLastIndex > [self numberOfPhotos] - 1) iLastIndex = [self numberOfPhotos] - 1; // // Recycle no longer needed pages NSInteger pageIndex; for (MWZoomingScrollView *page in _visiblePages) { pageIndex = page.index; if (pageIndex < (NSUInteger)iFirstIndex || pageIndex > (NSUInteger)iLastIndex) { [_recycledPages addObject:page]; [page.captionView removeFromSuperview]; [page.selectedButton removeFromSuperview]; [page.playButton removeFromSuperview]; [page prepareForReuse]; [page removeFromSuperview]; MWLog(@"Removed page at index %lu", (unsigned long)pageIndex); } } [_visiblePages minusSet:_recycledPages]; while (_recycledPages.count > 2) // Only keep 2 recycled pages [_recycledPages removeObject:[_recycledPages anyObject]]; // Add missing pages for (NSUInteger index = (NSUInteger)iFirstIndex; index <= (NSUInteger)iLastIndex; index++) { if (![self isDisplayingPageForIndex:index]) { // Add new page MWZoomingScrollView *page = [self dequeueRecycledPage]; if (!page) { page = [[MWZoomingScrollView alloc] initWithPhotoBrowser:self]; } [_visiblePages addObject:page]; [self configurePage:page forIndex:index]; [_pagingScrollView addSubview:page]; MWLog(@"Added page at index %lu", (unsigned long)index); // Add caption MWCaptionView *captionView = [self captionViewForPhotoAtIndex:index]; if (captionView) { captionView.frame = [self frameForCaptionView:captionView atIndex:index]; [_pagingScrollView addSubview:captionView]; page.captionView = captionView; } // Add play button if needed if (page.displayingVideo) { UIButton *playButton = [UIButton buttonWithType:UIButtonTypeCustom]; [playButton setImage:[UIImage imageForResourcePath:@"MWPhotoBrowser.bundle/PlayButtonOverlayLarge" ofType:@"png" inBundle:[NSBundle bundleForClass:[self class]]] forState:UIControlStateNormal]; [playButton setImage:[UIImage imageForResourcePath:@"MWPhotoBrowser.bundle/PlayButtonOverlayLargeTap" ofType:@"png" inBundle:[NSBundle bundleForClass:[self class]]] forState:UIControlStateHighlighted]; [playButton addTarget:self action:@selector(playButtonTapped:) forControlEvents:UIControlEventTouchUpInside]; [playButton sizeToFit]; playButton.frame = [self frameForPlayButton:playButton atIndex:index]; [_pagingScrollView addSubview:playButton]; page.playButton = playButton; } // Add selected button if (self.displaySelectionButtons) { UIButton *selectedButton = [UIButton buttonWithType:UIButtonTypeCustom]; [selectedButton setImage:[UIImage imageForResourcePath:@"MWPhotoBrowser.bundle/ImageSelectedOff" ofType:@"png" inBundle:[NSBundle bundleForClass:[self class]]] forState:UIControlStateNormal]; UIImage *selectedOnImage; if (self.customImageSelectedIcon) { ///***** BEGIN THREEMA MODIFICATION: use image instead of name *********/ selectedOnImage = self.customImageSelectedIcon; ///***** END THREEMA MODIFICATION: use image instead of name *********/ } else { selectedOnImage = [UIImage imageForResourcePath:@"MWPhotoBrowser.bundle/ImageSelectedOn" ofType:@"png" inBundle:[NSBundle bundleForClass:[self class]]]; } [selectedButton setImage:selectedOnImage forState:UIControlStateSelected]; [selectedButton sizeToFit]; selectedButton.adjustsImageWhenHighlighted = NO; [selectedButton addTarget:self action:@selector(selectedButtonTapped:) forControlEvents:UIControlEventTouchUpInside]; selectedButton.frame = [self frameForSelectedButton:selectedButton atIndex:index]; [_pagingScrollView addSubview:selectedButton]; page.selectedButton = selectedButton; selectedButton.selected = [self photoIsSelectedAtIndex:index]; /***** BEGIN THREEMA MODIFICATION: *********/ selectedButton.accessibilityLabel = NSLocalizedString(@"mwphotobrowser_select", nil); /***** END THREEMA MODIFICATION: *********/ } } } } - (void)updateVisiblePageStates { NSSet *copy = [_visiblePages copy]; for (MWZoomingScrollView *page in copy) { // Update selection page.selectedButton.selected = [self photoIsSelectedAtIndex:page.index]; } } - (BOOL)isDisplayingPageForIndex:(NSUInteger)index { for (MWZoomingScrollView *page in _visiblePages) if (page.index == index) return YES; return NO; } - (MWZoomingScrollView *)pageDisplayedAtIndex:(NSUInteger)index { MWZoomingScrollView *thePage = nil; for (MWZoomingScrollView *page in _visiblePages) { if (page.index == index) { thePage = page; break; } } return thePage; } - (MWZoomingScrollView *)pageDisplayingPhoto:(id)photo { MWZoomingScrollView *thePage = nil; for (MWZoomingScrollView *page in _visiblePages) { if (page.photo == photo) { thePage = page; break; } } return thePage; } - (void)configurePage:(MWZoomingScrollView *)page forIndex:(NSUInteger)index { page.frame = [self frameForPageAtIndex:index]; page.index = index; page.photo = [self photoAtIndex:index]; } - (MWZoomingScrollView *)dequeueRecycledPage { MWZoomingScrollView *page = [_recycledPages anyObject]; if (page) { [_recycledPages removeObject:page]; } return page; } // Handle page changes - (void)didStartViewingPageAtIndex:(NSUInteger)index { // Handle 0 photos if (![self numberOfPhotos]) { // Show controls [self setControlsHidden:NO animated:YES permanent:YES]; return; } // Handle video on page change if (!_rotating && index != _currentVideoIndex) { [self clearCurrentVideo: true]; } // Release images further away than +/-1 NSUInteger i; if (index > 0) { // Release anything < index - 1 for (i = 0; i < index-1; i++) { id photo = [_photos objectAtIndex:i]; if (photo != [NSNull null]) { [photo unloadUnderlyingImage]; [_photos replaceObjectAtIndex:i withObject:[NSNull null]]; MWLog(@"Released underlying image at index %lu", (unsigned long)i); } } } if (index < [self numberOfPhotos] - 1) { // Release anything > index + 1 for (i = index + 2; i < _photos.count; i++) { id photo = [_photos objectAtIndex:i]; if (photo != [NSNull null]) { [photo unloadUnderlyingImage]; [_photos replaceObjectAtIndex:i withObject:[NSNull null]]; MWLog(@"Released underlying image at index %lu", (unsigned long)i); } } } // Load adjacent images if needed and the photo is already // loaded. Also called after photo has been loaded in background id currentPhoto = [self photoAtIndex:index]; if ([currentPhoto underlyingImage]) { // photo loaded so load ajacent now [self loadAdjacentPhotosIfNecessary:currentPhoto]; } /***** BEGIN THREEMA MODIFICATION: always show controls for video *********/ if ([currentPhoto showControls] && !_peeking) { [self setControlsHidden:NO animated:YES permanent:YES]; } else { [self hideControlsAfterDelay]; } /***** END THREEMA MODIFICATION: always show controls for video *********/ // Notify delegate if (index != _previousPageIndex) { if ([_delegate respondsToSelector:@selector(photoBrowser:didDisplayPhotoAtIndex:)]) [_delegate photoBrowser:self didDisplayPhotoAtIndex:index]; _previousPageIndex = index; } // Update nav [self updateNavigation]; } #pragma mark - Frame Calculations - (CGRect)frameForPagingScrollView { CGRect frame = self.view.bounds;// [[UIScreen mainScreen] bounds]; frame.origin.x -= PADDING; frame.size.width += (2 * PADDING); return CGRectIntegral(frame); } - (CGRect)frameForPageAtIndex:(NSUInteger)index { // We have to use our paging scroll view's bounds, not frame, to calculate the page placement. When the device is in // landscape orientation, the frame will still be in portrait because the pagingScrollView is the root view controller's // view, so its frame is in window coordinate space, which is never rotated. Its bounds, however, will be in landscape // because it has a rotation transform applied. CGRect bounds = _pagingScrollView.bounds; CGRect pageFrame = bounds; pageFrame.size.width -= (2 * PADDING); pageFrame.origin.x = (bounds.size.width * index) + PADDING; return CGRectIntegral(pageFrame); } - (CGSize)contentSizeForPagingScrollView { // We have to use the paging scroll view's bounds to calculate the contentSize, for the same reason outlined above. CGRect bounds = _pagingScrollView.bounds; return CGSizeMake(bounds.size.width * [self numberOfPhotos], bounds.size.height); } - (CGPoint)contentOffsetForPageAtIndex:(NSUInteger)index { CGFloat pageWidth = _pagingScrollView.bounds.size.width; CGFloat newOffset = index * pageWidth; return CGPointMake(newOffset, 0); } - (CGRect)frameForToolbarAtOrientation:(UIInterfaceOrientation)orientation { CGFloat height = 44; if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone && UIInterfaceOrientationIsLandscape(orientation)) height = 32; CGFloat adjust = 0; if (@available(iOS 11.0, *)) { //Account for possible notch UIEdgeInsets safeArea = [[UIApplication sharedApplication] keyWindow].safeAreaInsets; adjust = safeArea.bottom; } return CGRectIntegral(CGRectMake(0, self.view.bounds.size.height - height - adjust, self.view.bounds.size.width, height)); } - (CGRect)frameForCaptionView:(MWCaptionView *)captionView atIndex:(NSUInteger)index { CGRect pageFrame = [self frameForPageAtIndex:index]; CGSize captionSize = [captionView sizeThatFits:CGSizeMake(pageFrame.size.width, 0)]; CGRect toolBarRect = [self frameForToolbarAtOrientation:[[UIApplication sharedApplication] statusBarOrientation]]; CGRect captionFrame = CGRectMake(pageFrame.origin.x, toolBarRect.origin.y - captionSize.height, pageFrame.size.width, captionSize.height); return CGRectIntegral(captionFrame); } - (CGRect)frameForSelectedButton:(UIButton *)selectedButton atIndex:(NSUInteger)index { CGRect pageFrame = [self frameForPageAtIndex:index]; CGFloat padding = 20; CGFloat yOffset = 0; if (![self areControlsHidden]) { UINavigationBar *navBar = self.navigationController.navigationBar; yOffset = navBar.frame.origin.y + navBar.frame.size.height; } /***** BEGIN THREEMA MODIFICATION: change button to bottom right instead of top right *********/ CGRect selectedButtonFrame = CGRectMake(pageFrame.origin.x + pageFrame.size.width - selectedButton.frame.size.width - padding, pageFrame.origin.y + pageFrame.size.height - selectedButton.frame.size.height - padding, selectedButton.frame.size.width, selectedButton.frame.size.height); /***** END THREEMA MODIFICATION: change button to bottom right instead of top right *********/ return CGRectIntegral(selectedButtonFrame); } - (CGRect)frameForPlayButton:(UIButton *)playButton atIndex:(NSUInteger)index { CGRect pageFrame = [self frameForPageAtIndex:index]; return CGRectMake(floorf(CGRectGetMidX(pageFrame) - playButton.frame.size.width / 2), floorf(CGRectGetMidY(pageFrame) - playButton.frame.size.height / 2), playButton.frame.size.width, playButton.frame.size.height); } #pragma mark - UIScrollView Delegate - (void)scrollViewDidScroll:(UIScrollView *)scrollView { // Checks if (!_viewIsActive || _performingLayout || _rotating) return; // Tile pages [self tilePages]; // Calculate current page CGRect visibleBounds = _pagingScrollView.bounds; NSInteger index = (NSInteger)(floorf(CGRectGetMidX(visibleBounds) / CGRectGetWidth(visibleBounds))); if (index < 0) index = 0; if (index > [self numberOfPhotos] - 1) index = [self numberOfPhotos] - 1; NSUInteger previousCurrentPage = _currentPageIndex; _currentPageIndex = index; if (_currentPageIndex != previousCurrentPage) { [self didStartViewingPageAtIndex:index]; } } - (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView { // Hide controls when dragging begins [self setControlsHidden:YES animated:YES permanent:NO]; } - (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView { // Update nav when page changes [self updateNavigation]; } #pragma mark - Navigation - (void)updateNavigation { // Title NSUInteger numberOfPhotos = [self numberOfPhotos]; if (_gridController) { if (_gridController.selectionMode) { self.title = NSLocalizedString(@"Select Photos", nil); } else { NSString *photosText; if (numberOfPhotos == 1) { photosText = NSLocalizedString(@"photo", @"Used in the context: '1 photo'"); } else { photosText = NSLocalizedString(@"photos", @"Used in the context: '3 photos'"); } self.title = [NSString stringWithFormat:@"%lu %@", (unsigned long)numberOfPhotos, photosText]; } } else if (numberOfPhotos > 1) { if ([_delegate respondsToSelector:@selector(photoBrowser:titleForPhotoAtIndex:)]) { self.title = [_delegate photoBrowser:self titleForPhotoAtIndex:_currentPageIndex]; } else { self.title = [NSString stringWithFormat:@"%lu %@ %lu", (unsigned long)(_currentPageIndex+1), NSLocalizedString(@"of", @"Used in the context: 'Showing 1 of 3 items'"), (unsigned long)numberOfPhotos]; } } else { self.title = nil; } // Buttons _previousButton.enabled = (_currentPageIndex > 0); _nextButton.enabled = (_currentPageIndex < numberOfPhotos - 1); // // Disable action button if there is no image or it's a video // MWPhoto *photo = [self photoAtIndex:_currentPageIndex]; // if ([photo underlyingImage] == nil || ([photo respondsToSelector:@selector(isVideo)] && photo.isVideo)) { // _actionButton.enabled = NO; // _actionButton.tintColor = [UIColor clearColor]; // Tint to hide button // } else { // _actionButton.enabled = YES; // _actionButton.tintColor = nil; // } } - (void)jumpToPageAtIndex:(NSUInteger)index animated:(BOOL)animated { // Change page if (index < [self numberOfPhotos]) { CGRect pageFrame = [self frameForPageAtIndex:index]; [_pagingScrollView setContentOffset:CGPointMake(pageFrame.origin.x - PADDING, 0) animated:animated]; [self updateNavigation]; } // Update timer to give more time [self hideControlsAfterDelay]; } - (void)gotoPreviousPage { [self showPreviousPhotoAnimated:NO]; } - (void)gotoNextPage { [self showNextPhotoAnimated:NO]; } - (void)showPreviousPhotoAnimated:(BOOL)animated { [self jumpToPageAtIndex:_currentPageIndex-1 animated:animated]; } - (void)showNextPhotoAnimated:(BOOL)animated { [self jumpToPageAtIndex:_currentPageIndex+1 animated:animated]; } #pragma mark - Interactions - (void)selectedButtonTapped:(id)sender { UIButton *selectedButton = (UIButton *)sender; selectedButton.selected = !selectedButton.selected; NSUInteger index = NSUIntegerMax; for (MWZoomingScrollView *page in _visiblePages) { if (page.selectedButton == selectedButton) { index = page.index; break; } } if (index != NSUIntegerMax) { [self setPhotoSelected:selectedButton.selected atIndex:index]; } } - (void)playButtonTapped:(id)sender { // Ignore if we're already playing a video if (_currentVideoIndex != NSUIntegerMax) { return; } NSUInteger index = [self indexForPlayButton:sender]; if (index != NSUIntegerMax) { if (!_currentVideoPlayerViewController) { [self playVideoAtIndex:index]; } } } - (NSUInteger)indexForPlayButton:(UIView *)playButton { NSUInteger index = NSUIntegerMax; for (MWZoomingScrollView *page in _visiblePages) { if (page.playButton == playButton) { index = page.index; break; } } return index; } #pragma mark - Video - (void)playVideoAtIndex:(NSUInteger)index { id photo = [self photoAtIndex:index]; if ([photo respondsToSelector:@selector(getVideoURL:)]) { // Valid for playing [self clearCurrentVideo: true]; _currentVideoIndex = index; [self setVideoLoadingIndicatorVisible:YES atPageIndex:index]; ///***** BEGIN THREEMA MODIFICATION: ignore mute switch *********/ NSInteger state = [[VoIPCallStateManager shared] currentCallState]; if (state == CallStateIdle) { _prevAudioCategory = [[AVAudioSession sharedInstance] category]; [[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback error:nil]; } ///***** END THREEMA MODIFICATION: ignore mute switch *********/ // Get video and play typeof(self) __weak weakSelf = self; [photo getVideoURL:^(NSURL *url) { dispatch_async(dispatch_get_main_queue(), ^{ // If the video is not playing anymore then bail typeof(self) strongSelf = weakSelf; if (!strongSelf) return; if (strongSelf->_currentVideoIndex != index || !strongSelf->_viewIsActive) { return; } if (url) { [weakSelf _playVideo:url atPhotoIndex:index]; } else { [weakSelf setVideoLoadingIndicatorVisible:NO atPageIndex:index]; } }); }]; } } - (void)_playVideo:(NSURL *)videoURL atPhotoIndex:(NSUInteger)index { AVPlayer *player = [AVPlayer playerWithURL:videoURL]; _currentVideoPlayerViewController = [AVPlayerViewController new]; _currentVideoPlayerViewController.player = player; ///***** BEGIN THREEMA MODIFICATION: ignore mute switch *********/ _currentVideoPlayerViewController.delegate = self; ///***** END THREEMA MODIFICATION: ignore mute switch *********/ [self presentViewController:_currentVideoPlayerViewController animated:YES completion:^{ [_currentVideoPlayerViewController.player play]; [self clearCurrentVideo: false]; }]; } ///***** BEGIN THREEMA MODIFICATION: reset audio *********/ - (void)clearCurrentVideo:(BOOL)audioFree { [_currentVideoLoadingIndicator removeFromSuperview]; _currentVideoPlayerViewController = nil; _currentVideoLoadingIndicator = nil; [[self pageDisplayedAtIndex:_currentVideoIndex] playButton].hidden = NO; _currentVideoIndex = NSUIntegerMax; NSInteger state = [[VoIPCallStateManager shared] currentCallState]; if (audioFree == true && state == CallStateIdle) { [[AVAudioSession sharedInstance] setActive:NO withOptions:AVAudioSessionSetActiveOptionNotifyOthersOnDeactivation error:nil]; } } ///***** END THREEMA MODIFICATION: reset audio *********/ - (void)setVideoLoadingIndicatorVisible:(BOOL)visible atPageIndex:(NSUInteger)pageIndex { if (_currentVideoLoadingIndicator && !visible) { [_currentVideoLoadingIndicator removeFromSuperview]; _currentVideoLoadingIndicator = nil; [[self pageDisplayedAtIndex:pageIndex] playButton].hidden = NO; } else if (!_currentVideoLoadingIndicator && visible) { _currentVideoLoadingIndicator = [[UIActivityIndicatorView alloc] initWithFrame:CGRectZero]; [_currentVideoLoadingIndicator sizeToFit]; [_currentVideoLoadingIndicator startAnimating]; [_pagingScrollView addSubview:_currentVideoLoadingIndicator]; [self positionVideoLoadingIndicator]; [[self pageDisplayedAtIndex:pageIndex] playButton].hidden = YES; } } - (void)positionVideoLoadingIndicator { if (_currentVideoLoadingIndicator && _currentVideoIndex != NSUIntegerMax) { CGRect frame = [self frameForPageAtIndex:_currentVideoIndex]; _currentVideoLoadingIndicator.center = CGPointMake(CGRectGetMidX(frame), CGRectGetMidY(frame)); } } #pragma mark - Grid - (void)showGridAnimated { [self showGrid:YES]; } - (void)showGrid:(BOOL)animated { if (_gridController) return; // Clear video [self clearCurrentVideo: true]; // Init grid controller _gridController = [[MWGridViewController alloc] init]; ///***** BEGIN THREEMA MODIFICATION: iOS 11 *********/ // _gridController.initialContentOffset = _currentGridContentOffset; if (@available(iOS 11.0, *)) { } else { _gridController.initialContentOffset = _currentGridContentOffset; } ///***** END THREEMA MODIFICATION: iOS 11 *********/ /***** BEGIN THREEMA MODIFICATION: add select button *********/ _selectButton = [[UIBarButtonItem alloc] initWithTitle:[BundleUtil localizedStringForKey:@"mwphotobrowser_select"] style:UIBarButtonItemStylePlain target:self action:@selector(selectButtonPressed:)]; _selectButton.enabled = [self numberOfPhotos] > 0; self.navigationItem.rightBarButtonItem = _selectButton; /***** END THREEMA MODIFICATION: add select button *********/ _gridController.browser = self; _gridController.selectionMode = _displaySelectionButtons; _gridController.view.frame = self.view.bounds; _gridController.view.frame = CGRectOffset(_gridController.view.frame, 0, (self.startOnGrid ? -1 : 1) * self.view.bounds.size.height); // Stop specific layout being triggered _skipNextPagingScrollViewPositioning = YES; // Add as a child view controller [self addChildViewController:_gridController]; [self.view addSubview:_gridController.view]; // Perform any adjustments [_gridController.view layoutIfNeeded]; [_gridController adjustOffsetsAsRequired]; // Hide action button on nav bar if it exists if (self.navigationItem.rightBarButtonItem == _actionButton) { _gridPreviousRightNavItem = _actionButton; [self.navigationItem setRightBarButtonItem:nil animated:YES]; } else { _gridPreviousRightNavItem = nil; } // Update [self updateNavigation]; [self setControlsHidden:NO animated:YES permanent:YES]; // Animate grid in and photo scroller out [_gridController willMoveToParentViewController:self]; [UIView animateWithDuration:animated ? 0.3 : 0 animations:^(void) { _gridController.view.frame = self.view.bounds; CGRect newPagingFrame = [self frameForPagingScrollView]; newPagingFrame = CGRectOffset(newPagingFrame, 0, (self.startOnGrid ? 1 : -1) * newPagingFrame.size.height); _pagingScrollView.frame = newPagingFrame; } completion:^(BOOL finished) { [_gridController didMoveToParentViewController:self]; }]; } - (void)hideGrid { if (!_gridController) return; ///***** BEGIN THREEMA MODIFICATION: iOS 11 *********/ // Remember previous content offset // _currentGridContentOffset = _gridController.collectionView.contentOffset; if (@available(iOS 11.0, *)) { } else { // Remember previous content offset _currentGridContentOffset = _gridController.collectionView.contentOffset; } ///***** END THREEMA MODIFICATION: iOS 11 *********/ /***** BEGIN THREEMA MODIFICATION: add select button *********/ self.navigationItem.rightBarButtonItem = nil; /***** END THREEMA MODIFICATION: add select button *********/ // Restore action button if it was removed if (_gridPreviousRightNavItem == _actionButton && _actionButton) { [self.navigationItem setRightBarButtonItem:_gridPreviousRightNavItem animated:YES]; } // Position prior to hide animation CGRect newPagingFrame = [self frameForPagingScrollView]; newPagingFrame = CGRectOffset(newPagingFrame, 0, (self.startOnGrid ? 1 : -1) * newPagingFrame.size.height); _pagingScrollView.frame = newPagingFrame; // Remember and remove controller now so things can detect a nil grid controller MWGridViewController *tmpGridController = _gridController; _gridController = nil; // Update [self updateNavigation]; [self updateVisiblePageStates]; // Animate, hide grid and show paging scroll view [UIView animateWithDuration:0.3 animations:^{ tmpGridController.view.frame = CGRectOffset(self.view.bounds, 0, (self.startOnGrid ? -1 : 1) * self.view.bounds.size.height); _pagingScrollView.frame = [self frameForPagingScrollView]; } completion:^(BOOL finished) { [tmpGridController willMoveToParentViewController:nil]; [tmpGridController.view removeFromSuperview]; [tmpGridController removeFromParentViewController]; [self setControlsHidden:NO animated:YES permanent:NO]; // retrigger timer }]; } #pragma mark - Control Hiding / Showing // If permanent then we don't set timers to hide again // Fades all controls on iOS 5 & 6, and iOS 7 controls slide and fade - (void)setControlsHidden:(BOOL)hidden animated:(BOOL)animated permanent:(BOOL)permanent { // Force visible if (![self numberOfPhotos] || _gridController || _alwaysShowControls) hidden = NO; // Cancel any timers [self cancelControlHiding]; // Animations & positions CGFloat animatonOffset = 20; CGFloat animationDuration = (animated ? 0.35 : 0); // Status bar if (!_leaveStatusBarAlone) { // Hide status bar if (!_isVCBasedStatusBarAppearance) { // Non-view controller based [[UIApplication sharedApplication] setStatusBarHidden:hidden withAnimation:animated ? UIStatusBarAnimationSlide : UIStatusBarAnimationNone]; } else { // View controller based so animate away _statusBarShouldBeHidden = hidden; [UIView animateWithDuration:animationDuration animations:^(void) { [self setNeedsStatusBarAppearanceUpdate]; } completion:^(BOOL finished) {}]; } } // Toolbar, nav bar and captions // Pre-appear animation positions for sliding if ([self areControlsHidden] && !hidden && animated) { // Toolbar _toolbar.frame = CGRectOffset([self frameForToolbarAtOrientation:[[UIApplication sharedApplication] statusBarOrientation]], 0, animatonOffset); _gridToolbar.frame = CGRectOffset([self frameForToolbarAtOrientation:[[UIApplication sharedApplication] statusBarOrientation]], 0, animatonOffset); // Captions for (MWZoomingScrollView *page in _visiblePages) { if (page.captionView) { MWCaptionView *v = page.captionView; // Pass any index, all we're interested in is the Y CGRect captionFrame = [self frameForCaptionView:v atIndex:0]; captionFrame.origin.x = v.frame.origin.x; // Reset X v.frame = CGRectOffset(captionFrame, 0, animatonOffset); } } } [UIView animateWithDuration:animationDuration animations:^(void) { CGFloat alpha = hidden ? 0 : 1; // Nav bar slides up on it's own on iOS 7+ [self.navigationController.navigationBar setAlpha:alpha]; // Toolbar _toolbar.frame = [self frameForToolbarAtOrientation:[[UIApplication sharedApplication] statusBarOrientation]]; _gridToolbar.frame = [self frameForToolbarAtOrientation:[[UIApplication sharedApplication] statusBarOrientation]]; if (hidden) _toolbar.frame = CGRectOffset(_toolbar.frame, 0, animatonOffset); _toolbar.alpha = alpha; // Captions for (MWZoomingScrollView *page in _visiblePages) { if (page.captionView) { MWCaptionView *v = page.captionView; // Pass any index, all we're interested in is the Y CGRect captionFrame = [self frameForCaptionView:v atIndex:0]; captionFrame.origin.x = v.frame.origin.x; // Reset X if (hidden) captionFrame = CGRectOffset(captionFrame, 0, animatonOffset); v.frame = captionFrame; v.alpha = alpha; } } // Selected buttons for (MWZoomingScrollView *page in _visiblePages) { if (page.selectedButton) { UIButton *v = page.selectedButton; CGRect newFrame = [self frameForSelectedButton:v atIndex:0]; newFrame.origin.x = v.frame.origin.x; v.frame = newFrame; } } } completion:^(BOOL finished) {}]; // Control hiding timer // Will cancel existing timer but only begin hiding if // they are visible if (!permanent) [self hideControlsAfterDelay]; } - (BOOL)prefersStatusBarHidden { /***** BEGIN THREEMA MODIFICATION: always hide status bar in landscape mode on iOS 8.0 *********/ if (UIInterfaceOrientationIsLandscape([[UIApplication sharedApplication] statusBarOrientation])) { return YES; } /***** END THREEMA MODIFICATION: always hide status bar in landscape mode on iOS 8.0 *********/ if (!_leaveStatusBarAlone) { return _statusBarShouldBeHidden; } else { return [self presentingViewControllerPrefersStatusBarHidden]; } } - (UIStatusBarStyle)preferredStatusBarStyle { return UIStatusBarStyleLightContent; } - (UIStatusBarAnimation)preferredStatusBarUpdateAnimation { return UIStatusBarAnimationSlide; } - (void)cancelControlHiding { // If a timer exists then cancel and release if (_controlVisibilityTimer) { [_controlVisibilityTimer invalidate]; _controlVisibilityTimer = nil; } } // Enable/disable control visiblity timer - (void)hideControlsAfterDelay { if (![self areControlsHidden]) { [self cancelControlHiding]; _controlVisibilityTimer = [NSTimer scheduledTimerWithTimeInterval:self.delayToHideElements target:self selector:@selector(hideControls) userInfo:nil repeats:NO]; } } - (BOOL)areControlsHidden { return (_toolbar.alpha == 0); } - (void)hideControls { [self setControlsHidden:YES animated:YES permanent:NO]; } - (void)showControls { [self setControlsHidden:NO animated:YES permanent:NO]; } - (void)toggleControls { [self setControlsHidden:![self areControlsHidden] animated:YES permanent:NO]; } #pragma mark - Properties - (void)setCurrentPhotoIndex:(NSUInteger)index { // Validate NSUInteger photoCount = [self numberOfPhotos]; if (photoCount == 0) { index = 0; } else { if (index >= photoCount) index = [self numberOfPhotos]-1; } _currentPageIndex = index; if ([self isViewLoaded]) { [self jumpToPageAtIndex:index animated:NO]; if (!_viewIsActive) [self tilePages]; // Force tiling if view is not visible } } #pragma mark - Misc - (void)doneButtonPressed:(id)sender { // Only if we're modal and there's a done button if (_doneButton) { // Dismiss view controller if ([_delegate respondsToSelector:@selector(photoBrowserDidFinishModalPresentation:)]) { // Call delegate method and let them dismiss us [_delegate photoBrowserDidFinishModalPresentation:self]; } else { [self dismissViewControllerAnimated:YES completion:nil]; } } } #pragma mark - Actions - (void)actionButtonPressed:(id)sender { // Only react when image has loaded id photo = [self photoAtIndex:_currentPageIndex]; if ([self numberOfPhotos] > 0 && [photo underlyingImage]) { // If they have defined a delegate method then just message them if ([self.delegate respondsToSelector:@selector(photoBrowser:actionButtonPressedForPhotoAtIndex:)]) { // Let delegate handle things [self.delegate photoBrowser:self actionButtonPressedForPhotoAtIndex:_currentPageIndex]; } else { // Share current photo [self shareMedia:photo]; } // Keep controls hidden [self setControlsHidden:NO animated:YES permanent:YES]; } } /***** BEGIN THREEMA MODIFICATION: add delete button *********/ - (void)deleteButtonPressed:(id)sender { if ([self numberOfPhotos] > 0) { if ([self.delegate respondsToSelector:@selector(photoBrowser:deleteButton:pressedForPhotoAtIndex:)]) { [self.delegate photoBrowser:self deleteButton:_deleteSingleButton pressedForPhotoAtIndex:_currentPageIndex]; } } } - (void)selectButtonPressed:(id)sender { if (!self.displaySelectionButtons) { self.displaySelectionButtons = YES; self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:[BundleUtil localizedStringForKey:@"mwphotobrowser_select_all"] style:UIBarButtonItemStylePlain target:self action:@selector(selectAllButtonPressed:)]; self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Cancel", nil) style:UIBarButtonItemStylePlain target:self action:@selector(selectButtonPressed:)]; _deleteMultipleButton.enabled = false; _actionMultipleButton.enabled = false; [self.view addSubview:_gridToolbar]; } else { self.displaySelectionButtons = NO; self.navigationItem.leftBarButtonItem = _doneButton; self.navigationItem.rightBarButtonItem = _selectButton; [_gridToolbar removeFromSuperview]; } if ([self.delegate respondsToSelector:@selector(photoBrowserResetSelection:)]) { [self.delegate photoBrowserResetSelection:self]; } [_gridController setSelectionMode:self.displaySelectionButtons]; [[_gridController collectionView] reloadData]; } - (void)selectAllButtonPressed:(id)sender { if ([self.delegate respondsToSelector:@selector(photoBrowserSelectAll:)]) { [self.delegate photoBrowserSelectAll:self]; } [_gridController setSelectionMode:self.displaySelectionButtons]; [[_gridController collectionView] reloadData]; self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:[BundleUtil localizedStringForKey:@"mwphotobrowser_deselect_all"] style:UIBarButtonItemStylePlain target:self action:@selector(deselectAllButtonPressed:)]; _deleteMultipleButton.enabled = true; _actionMultipleButton.enabled = true; } - (void)deselectAllButtonPressed:(id)sender { if ([self.delegate respondsToSelector:@selector(photoBrowserResetSelection:)]) { [self.delegate photoBrowserResetSelection:self]; } [_gridController setSelectionMode:self.displaySelectionButtons]; [[_gridController collectionView] reloadData]; self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:[BundleUtil localizedStringForKey:@"mwphotobrowser_select_all"] style:UIBarButtonItemStylePlain target:self action:@selector(selectAllButtonPressed:)]; _deleteMultipleButton.enabled = false; _actionMultipleButton.enabled = false; } - (void)deleteMultipleButtonPressed:(id)sender { if ([self numberOfPhotos] > 0) { NSString *actionTitle; NSUInteger selectionCount = [((ChatViewHeader *)self.delegate) mediaSelectionCount]; if (selectionCount == 0) { /* clear all */ actionTitle = NSLocalizedString(@"media_delete_all_confirm", nil); } else { actionTitle = NSLocalizedString(@"media_delete_selected_confirm", nil); } UIAlertController *deleteActionSheet = [UIAlertController alertControllerWithTitle:actionTitle message:nil preferredStyle:UIAlertControllerStyleAlert]; [deleteActionSheet addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"delete", nil) style:UIAlertActionStyleDestructive handler:^(UIAlertAction * action) { [self showProgressHUDWithMessage:[NSString stringWithFormat:@"%@...", NSLocalizedString(@"delete", "")]]; if ([self.delegate respondsToSelector:@selector(photoBrowser:deleteButton:)]) { [self.delegate photoBrowser:self deleteButton:_deleteMultipleButton]; [self reloadData:YES]; [self updateNavigation]; } }]]; [deleteActionSheet addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"cancel", nil) style:UIAlertActionStyleCancel handler:nil]]; deleteActionSheet.popoverPresentationController.barButtonItem = self.navigationItem.leftBarButtonItem; [self presentViewController:deleteActionSheet animated:YES completion:nil]; } } - (void)actionMultipleButtonPressed:(id)sender { MDMSetup *mdmSetup = [[MDMSetup alloc] initWithSetup:false]; if ([mdmSetup disableShareMedia] == true) { // do nothing } else { NSSet *selectedPhotosIndexes = [((ChatViewHeader *)self.delegate) mediaPhotoSelection]; NSMutableArray *allSelectedPhotos = [NSMutableArray new]; [selectedPhotosIndexes enumerateObjectsUsingBlock:^(NSNumber *index, BOOL * _Nonnull stop) { MWPhoto *photo = [self photoAtIndex:[index unsignedIntegerValue]]; NSURL *photoUrl = [photo urlForExportData:[index stringValue]]; if (photoUrl != nil) { [allSelectedPhotos addObject:photoUrl]; } }]; if (allSelectedPhotos.count == 0) { return; } TTOpenInAppActivity *openInAppActivity = [[TTOpenInAppActivity alloc] initWithView:self.view andBarButtonItem:_actionButton]; ForwardMultipleURLActivity *forwardUrlActivity = [[ForwardMultipleURLActivity alloc] init]; self.activityViewController = [ActivityUtil activityViewControllerWithActivityItems:allSelectedPhotos applicationActivities:@[forwardUrlActivity, openInAppActivity]]; // Show typeof(self) __weak weakSelf = self; // iOS 8 - Set the Anchor Point for the popover self.activityViewController.popoverPresentationController.barButtonItem = _actionButton; NSUserDefaults *defaults = [AppGroup userDefaults]; [defaults setDouble:[Utils systemUptime] forKey:@"UIActivityViewControllerOpenTime"]; [defaults synchronize]; [self.activityViewController setCompletionWithItemsHandler:^(UIActivityType _Nullable activityType, BOOL completed, NSArray * _Nullable returnedItems, NSError * _Nullable activityError) { weakSelf.activityViewController = nil; [weakSelf hideControlsAfterDelay]; [weakSelf hideProgressHUD:YES]; NSUserDefaults *defaults = [AppGroup userDefaults]; [defaults removeObjectForKey:@"UIActivityViewControllerOpenTime"]; }]; [self presentViewController:self.activityViewController animated:YES completion:nil]; } } - (void)finishedDeleteMedia { [self selectButtonPressed:nil]; [self hideProgressHUD:true]; [self reloadData:false]; } /***** END THREEMA MODIFICATION: add delete button *********/ #pragma mark - Action Progress - (MBProgressHUD *)progressHUD { if (!_progressHUD) { _progressHUD = [[MBProgressHUD alloc] initWithView:self.view]; _progressHUD.minSize = CGSizeMake(120, 120); _progressHUD.minShowTime = 1; [self.view addSubview:_progressHUD]; } return _progressHUD; } - (void)showProgressHUDWithMessage:(NSString *)message { self.progressHUD.label.text = message; self.progressHUD.mode = MBProgressHUDModeIndeterminate; [self.progressHUD showAnimated:YES]; self.navigationController.navigationBar.userInteractionEnabled = NO; } - (void)hideProgressHUD:(BOOL)animated { [self.progressHUD hideAnimated:animated]; self.navigationController.navigationBar.userInteractionEnabled = YES; } - (void)showProgressHUDCompleteMessage:(NSString *)message { if (message) { if (self.progressHUD.isHidden) [self.progressHUD showAnimated:YES]; self.progressHUD.label.text = message; self.progressHUD.mode = MBProgressHUDModeCustomView; [self.progressHUD hideAnimated:YES afterDelay:1.5]; } else { [self.progressHUD hideAnimated:YES]; } self.navigationController.navigationBar.userInteractionEnabled = YES; } /***** BEGIN THREEMA MODIFICATION: add peeking *********/ - (BOOL)peeking { return _peeking; } - (void)setPeeking:(BOOL)peeking { _peeking = peeking; [self setControlsHidden:peeking animated:!peeking permanent:NO]; } /***** END THREEMA MODIFICATION: add peeking *********/ ///***** BEGIN THREEMA MODIFICATION: ignore mute switch *********/ #pragma mark - AVPlayerViewControllerDelegate - (void)playerViewControllerWillBeginDismissalTransition:(AVPlayerViewController *)playerViewController { NSInteger state = [[VoIPCallStateManager shared] currentCallState]; if (state == CallStateIdle) { [[AVAudioSession sharedInstance] setCategory:_prevAudioCategory error:nil]; } } ///***** END THREEMA MODIFICATION: ignore mute switch *********/ - (void)shareMedia:(MWPhoto *)item { /***** BEGIN THREEMA MODIFICATION: use TTOpenInAppActivity, ForwardURLActivity, MDM share restriction *********/ MDMSetup *mdmSetup = [[MDMSetup alloc] initWithSetup:false]; if ([mdmSetup disableShareMedia] == true) { ModalNavigationController *navigationController = [ContactGroupPickerViewController pickerFromStoryboardWithDelegate:self]; ContactGroupPickerViewController *picker = (ContactGroupPickerViewController *)navigationController.topViewController; picker.enableMulitSelection = true; picker.enableTextInput = true; picker.submitOnSelect = false; [self presentViewController:navigationController animated:YES completion:nil]; } else { NSURL *photoUrl = [item urlForExportData:@"file"]; if (photoUrl == nil) { [self setControlsHidden:NO animated:YES permanent:YES]; return; } NSArray *items = [NSArray arrayWithObject: photoUrl]; TTOpenInAppActivity *openInAppActivity = [[TTOpenInAppActivity alloc] initWithView:self.view andBarButtonItem:_actionButton]; ForwardURLActivity *forwardUrlActivity = [[ForwardURLActivity alloc] init]; self.activityViewController = [ActivityUtil activityViewControllerWithActivityItems:items applicationActivities:@[forwardUrlActivity, openInAppActivity]]; openInAppActivity.superViewController = self.activityViewController; // Show typeof(self) __weak weakSelf = self; // iOS 8 - Set the Anchor Point for the popover self.activityViewController.popoverPresentationController.barButtonItem = _actionButton; NSUserDefaults *defaults = [AppGroup userDefaults]; [defaults setDouble:[Utils systemUptime] forKey:@"UIActivityViewControllerOpenTime"]; [defaults synchronize]; [self.activityViewController setCompletionWithItemsHandler:^(UIActivityType _Nullable activityType, BOOL completed, NSArray * _Nullable returnedItems, NSError * _Nullable activityError) { // Fix: iOS 13 close modal view after save image to photos if (@available(iOS 13.0, *)) { if (activityType == UIActivityTypeSaveToCameraRoll && completed){ // do nothing } else { [weakSelf dismissViewControllerAnimated:NO completion:nil]; } } weakSelf.activityViewController = nil; [weakSelf hideControlsAfterDelay]; [weakSelf hideProgressHUD:YES]; NSUserDefaults *defaults = [AppGroup userDefaults]; [defaults removeObjectForKey:@"UIActivityViewControllerOpenTime"]; }]; // Fix: iOS 13 close modal view after save image to photos UIViewController *fakeVC=[[UIViewController alloc] init]; if (@available(iOS 13.0, *)) { [self presentViewController:fakeVC animated:NO completion:^{ [fakeVC presentViewController:self.activityViewController animated:YES completion:nil]; }]; } else { [self presentViewController:self.activityViewController animated:YES completion:nil]; } } ///***** END THREEMA MODIFICATION: use TTOpenInAppActivity, ForwardURLActivity, MDM share restriction *********/ } - (void)showAlert:(NSString *)title message:(NSString *)message { ///***** BEGIN THREEMA MODIFICATION: Use own AlertController *********/ [UIAlertTemplate showAlertWithOwner:self title:title message:message actionOk:nil]; ///***** END THREEMA MODIFICATION: Use own AlertController *********/ } ///***** BEGIN THREEMA MODIFICATION: ContactGroupPickerDelegate *********/ #pragma mark - Contact picker delegate - (void)contactPicker:(ContactGroupPickerViewController*)contactPicker didPickConversations:(NSSet *)conversations renderType:(NSNumber *)renderType sendAsFile:(BOOL)sendAsFile { FeatureMaskChecker *featureMaskChecker = [[FeatureMaskChecker alloc] init]; id photo = [self photoAtIndex:_currentPageIndex]; if ([self numberOfPhotos] > 0 && [photo underlyingImage]) { NSString *filename = [FileUtility getTemporarySendableFileNameWithBase:@"image"]; NSURL *photoUrl = [photo urlForExportData:filename]; [featureMaskChecker checkFileTransferFor:conversations presentAlarmOn:contactPicker onSuccess:^{ for (Conversation *conversation in conversations) { [URLSender sendUrl:photoUrl asFile:sendAsFile caption:contactPicker.additionalTextToSend conversation:conversation]; } [contactPicker dismissViewControllerAnimated:YES completion:nil]; } onFailure:^{ [contactPicker dismissViewControllerAnimated:YES completion:nil]; }]; } else { [contactPicker dismissViewControllerAnimated:YES completion:nil]; } } - (void)contactPickerDidCancel:(ContactGroupPickerViewController*)contactPicker { [contactPicker dismissViewControllerAnimated:YES completion:nil]; } ///***** END THREEMA MODIFICATION: ContactGroupPickerDelegate *********/ @end