talk-ios/NextcloudTalk/CallViewController.m

2135 строки
79 KiB
Objective-C

/**
* @copyright Copyright (c) 2020 Ivan Sein <ivan@nextcloud.com>
*
* @author Ivan Sein <ivan@nextcloud.com>
*
* @license GNU GPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#import "CallViewController.h"
#import <AVKit/AVKit.h>
#import <WebRTC/RTCCameraVideoCapturer.h>
#import <WebRTC/RTCMediaStream.h>
#import <WebRTC/RTCMTLVideoView.h>
#import <WebRTC/RTCVideoTrack.h>
#import "DBImageColorPicker.h"
#import "JDStatusBarNotification.h"
#import "UIImageView+AFNetworking.h"
#import "CallKitManager.h"
#import "CallParticipantViewCell.h"
#import "NCAPIController.h"
#import "NCAppBranding.h"
#import "NCAudioController.h"
#import "NCCallController.h"
#import "NCDatabaseManager.h"
#import "NCRoomsManager.h"
#import "NCSettingsController.h"
#import "NCSignalingMessage.h"
#import "NCUtils.h"
#import "RoomInfoTableViewController.h"
#import "NextcloudTalk-Swift.h"
typedef NS_ENUM(NSInteger, CallState) {
CallStateJoining,
CallStateWaitingParticipants,
CallStateReconnecting,
CallStateInCall,
CallStateSwitchingToAnotherRoom
};
CGFloat const kSidebarWidth = 350;
typedef void (^UpdateCallParticipantViewCellBlock)(CallParticipantViewCell *cell);
@interface PendingCellUpdate : NSObject
@property (nonatomic, strong) NCPeerConnection *peer;
@property (nonatomic, strong) UpdateCallParticipantViewCellBlock block;
@end
@implementation PendingCellUpdate
@end
@interface CallViewController () <NCCallControllerDelegate, UICollectionViewDelegate, UICollectionViewDelegateFlowLayout, UICollectionViewDataSource, RTCVideoViewDelegate, CallParticipantViewCellDelegate, UIGestureRecognizerDelegate, NCChatTitleViewDelegate>
{
CallState _callState;
NSMutableArray *_peersInCall;
NSMutableDictionary *_videoRenderersDict;
NSMutableDictionary *_screenRenderersDict;
NCCallController *_callController;
NCChatViewController *_chatViewController;
UINavigationController *_chatNavigationController;
UIView <RTCVideoRenderer> *_screenView;
CGSize _screensharingSize;
UITapGestureRecognizer *_tapGestureForDetailedView;
NSTimer *_detailedViewTimer;
NSTimer *_proximityTimer;
NSString *_displayName;
BOOL _isAudioOnly;
BOOL _isDetailedViewVisible;
BOOL _userDisabledVideo;
BOOL _userDisabledSpeaker;
BOOL _videoCallUpgrade;
BOOL _hangingUp;
BOOL _pushToTalkActive;
BOOL _isHandRaised;
BOOL _proximityState;
BOOL _showChatAfterRoomSwitch;
UIImpactFeedbackGenerator *_buttonFeedbackGenerator;
CGPoint _localVideoDragStartingPosition;
CGPoint _localVideoOriginPosition;
AVRoutePickerView *_airplayView;
NSMutableArray *_pendingPeerInserts;
NSMutableArray *_pendingPeerDeletions;
NSMutableArray *_pendingPeerUpdates;
NSTimer *_batchUpdateTimer;
}
@property (nonatomic, strong) IBOutlet UIButton *audioMuteButton;
@property (nonatomic, strong) IBOutlet UIButton *speakerButton;
@property (nonatomic, strong) IBOutlet UIButton *videoDisableButton;
@property (nonatomic, strong) IBOutlet UIButton *switchCameraButton;
@property (nonatomic, strong) IBOutlet UIButton *hangUpButton;
@property (nonatomic, strong) IBOutlet UIButton *videoCallButton;
@property (nonatomic, strong) IBOutlet UIButton *recordingButton;
@property (nonatomic, strong) IBOutlet UIButton *lowerHandButton;
@property (nonatomic, strong) IBOutlet UIButton *moreMenuButton;
@property (nonatomic, strong) IBOutlet UICollectionView *collectionView;
@property (nonatomic, strong) IBOutlet UIView *topBarView;
@property (nonatomic, strong) IBOutlet UIStackView *topBarButtonStackView;
@property (nonatomic, strong) IBOutlet UIView *sideBarView;
@property (nonatomic, strong) IBOutlet NSLayoutConstraint *collectionViewLeftConstraint;
@property (nonatomic, strong) IBOutlet NSLayoutConstraint *collectionViewBottomConstraint;
@property (nonatomic, strong) IBOutlet NSLayoutConstraint *collectionViewRightConstraint;
@property (nonatomic, strong) IBOutlet NSLayoutConstraint *topBarViewRightContraint;
@property (nonatomic, strong) IBOutlet NSLayoutConstraint *screenshareViewRightContraint;
@property (nonatomic, strong) IBOutlet NSLayoutConstraint *sideBarViewRightConstraint;
@property (nonatomic, strong) IBOutlet NSLayoutConstraint *sideBarViewBottomConstraint;
@property (nonatomic, strong) IBOutlet NSLayoutConstraint *sideBarWidth;
@end
@implementation CallViewController
@synthesize delegate = _delegate;
- (instancetype)initCallInRoom:(NCRoom *)room asUser:(NSString *)displayName audioOnly:(BOOL)audioOnly
{
self = [super init];
if (!self) {
return nil;
}
self.modalPresentationStyle = UIModalPresentationFullScreen;
_room = room;
_displayName = displayName;
_isAudioOnly = audioOnly;
_peersInCall = [[NSMutableArray alloc] init];
_videoRenderersDict = [[NSMutableDictionary alloc] init];
_screenRenderersDict = [[NSMutableDictionary alloc] init];
_buttonFeedbackGenerator = [[UIImpactFeedbackGenerator alloc] initWithStyle:(UIImpactFeedbackStyleLight)];
_pendingPeerInserts = [[NSMutableArray alloc] init];
_pendingPeerDeletions = [[NSMutableArray alloc] init];
_pendingPeerUpdates = [[NSMutableArray alloc] init];
// Use image downloader without cache so I can get 200 or 201 from the avatar requests.
[AvatarBackgroundImageView setSharedImageDownloader:[[NCAPIController sharedInstance] imageDownloaderNoCache]];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didJoinRoom:) name:NCRoomsManagerDidJoinRoomNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(providerDidEndCall:) name:CallKitManagerDidEndCallNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(providerDidChangeAudioMute:) name:CallKitManagerDidChangeAudioMuteNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(providerWantsToUpgradeToVideoCall:) name:CallKitManagerWantsToUpgradeToVideoCall object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(audioSessionDidChangeRoute:) name:AudioSessionDidChangeRouteNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(audioSessionDidActivate:) name:AudioSessionWasActivatedByProviderNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(audioSessionDidChangeSpeaker:) name:AudioSessionDidChangeSpeakerIsActiveNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(appDidBecomeActive:) name:UIApplicationDidBecomeActiveNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(appWillResignActive:) name:UIApplicationWillResignActiveNotification object:nil];
return self;
}
- (void)startCallWithSessionId:(NSString *)sessionId
{
_callController = [[NCCallController alloc] initWithDelegate:self inRoom:_room forAudioOnlyCall:_isAudioOnly withSessionId:sessionId andVoiceChatMode:_voiceChatModeAtStart];
_callController.userDisplayName = _displayName;
_callController.disableAudioAtStart = _audioDisabledAtStart;
_callController.disableVideoAtStart = _videoDisabledAtStart;
_callController.silentCall = _silentCall;
[_callController startCall];
}
- (void)viewDidLoad
{
[super viewDidLoad];
[self setCallState:CallStateJoining];
_tapGestureForDetailedView = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(showDetailedViewWithTimer)];
[_tapGestureForDetailedView setNumberOfTapsRequired:1];
UILongPressGestureRecognizer *pushToTalkRecognizer = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handlePushToTalk:)];
pushToTalkRecognizer.delegate = self;
[self.audioMuteButton addGestureRecognizer:pushToTalkRecognizer];
[_screensharingView setHidden:YES];
[self.hangUpButton.layer setCornerRadius:self.hangUpButton.frame.size.height / 2];
[self.closeScreensharingButton.layer setCornerRadius:16.0f];
[self.collectionView.layer setCornerRadius:22.0f];
[self.collectionView setContentInsetAdjustmentBehavior:UIScrollViewContentInsetAdjustmentAlways];
[self.sideBarView setClipsToBounds:YES];
[self.sideBarView.layer setCornerRadius:22.0f];
_airplayView = [[AVRoutePickerView alloc] initWithFrame:CGRectMake(0, 0, 48, 56)];
_airplayView.tintColor = [UIColor whiteColor];
_airplayView.activeTintColor = [UIColor whiteColor];
self.audioMuteButton.accessibilityLabel = NSLocalizedString(@"Microphone", nil);
self.audioMuteButton.accessibilityValue = NSLocalizedString(@"Microphone enabled", nil);
self.audioMuteButton.accessibilityHint = NSLocalizedString(@"Double tap to enable or disable the microphone", nil);
self.speakerButton.accessibilityLabel = NSLocalizedString(@"Speaker", nil);
self.speakerButton.accessibilityValue = NSLocalizedString(@"Speaker disabled", nil);
self.speakerButton.accessibilityHint = NSLocalizedString(@"Double tap to enable or disable the speaker", nil);
self.videoDisableButton.accessibilityLabel = NSLocalizedString(@"Camera", nil);
self.videoDisableButton.accessibilityValue = NSLocalizedString(@"Camera enabled", nil);
self.videoDisableButton.accessibilityHint = NSLocalizedString(@"Double tap to enable or disable the camera", nil);
self.hangUpButton.accessibilityLabel = NSLocalizedString(@"Hang up", nil);
self.hangUpButton.accessibilityHint = NSLocalizedString(@"Double tap to hang up the call", nil);
self.videoCallButton.accessibilityLabel = NSLocalizedString(@"Camera", nil);
self.videoCallButton.accessibilityHint = NSLocalizedString(@"Double tap to upgrade this voice call to a video call", nil);
self.toggleChatButton.accessibilityLabel = NSLocalizedString(@"Chat", nil);
self.toggleChatButton.accessibilityHint = NSLocalizedString(@"Double tap to show or hide chat view", nil);
self.recordingButton.accessibilityLabel = NSLocalizedString(@"Recording", nil);
self.recordingButton.accessibilityHint = NSLocalizedString(@"Double tap to stop recording", nil);
self.lowerHandButton.accessibilityLabel = NSLocalizedString(@"Lower hand", nil);
self.lowerHandButton.accessibilityHint = NSLocalizedString(@"Double tap to lower hand", nil);
self.moreMenuButton.accessibilityLabel = NSLocalizedString(@"More actions", nil);
self.moreMenuButton.accessibilityHint = NSLocalizedString(@"Double tap to show more actions", nil);
self.moreMenuButton.showsMenuAsPrimaryAction = YES;
// Text color should be always white in the call view
[self.titleView setTitleTextColor:UIColor.whiteColor];
[self.titleView updateForRoom:_room];
// The titleView uses the themeColor as a background for the userStatusImage
// As we always have a black background, we need to change that
[self.titleView setUserStatusBackgroundColor:UIColor.blackColor];
self.titleView.delegate = self;
self.collectionView.delegate = self;
[self createWaitingScreen];
// We disableLocalVideo here even if the call controller has not been created just to show the video button as disabled
// also we set _userDisabledVideo = YES so the proximity sensor doesn't enable it.
if (_videoDisabledAtStart) {
_userDisabledVideo = YES;
[self disableLocalVideo];
}
if (_voiceChatModeAtStart) {
_userDisabledSpeaker = YES;
}
TalkAccount *activeAccount = [[NCDatabaseManager sharedInstance] activeAccount];
// 'conversation-permissions' capability was not added in Talk 13 release, so we check for 'direct-mention-flag' capability
// as a workaround.
BOOL serverSupportsConversationPermissions =
[[NCDatabaseManager sharedInstance] serverHasTalkCapability:kCapabilityConversationPermissions forAccountId:activeAccount.accountId] ||
[[NCDatabaseManager sharedInstance] serverHasTalkCapability:kCapabilityDirectMentionFlag forAccountId:activeAccount.accountId];
if (serverSupportsConversationPermissions) {
[self setAudioMuteButtonEnabled:(_room.permissions & NCPermissionCanPublishAudio)];
[self setVideoDisableButtonEnabled:(_room.permissions & NCPermissionCanPublishVideo)];
}
[self.collectionView registerNib:[UINib nibWithNibName:kCallParticipantCellNibName bundle:nil] forCellWithReuseIdentifier:kCallParticipantCellIdentifier];
[self.collectionView setContentInsetAdjustmentBehavior:UIScrollViewContentInsetAdjustmentNever];
UIPanGestureRecognizer *localVideoDragGesturure = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(localVideoDragged:)];
[self.localVideoView addGestureRecognizer:localVideoDragGesturure];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(sensorStateChange:)
name:UIDeviceProximityStateDidChangeNotification object:nil];
}
- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator
{
[super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
[self adjustConstraints];
[self.collectionView.collectionViewLayout invalidateLayout];
[coordinator animateAlongsideTransition:^(id<UIViewControllerTransitionCoordinatorContext> _Nonnull context) {
[self setLocalVideoRect];
[self resizeScreensharingView];
[self adjustTopBar];
} completion:^(id<UIViewControllerTransitionCoordinatorContext> _Nonnull context) {
}];
}
- (void)viewSafeAreaInsetsDidChange
{
[super viewSafeAreaInsetsDidChange];
[self adjustConstraints];
[self setLocalVideoRect];
[self adjustTopBar];
}
- (void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
[self setSideBarVisible:NO animated:NO withCompletion:nil];
[self adjustConstraints];
[self setLocalVideoRect];
[self adjustSpeakerButton];
[self adjustTopBar];
}
- (void)viewWillDisappear:(BOOL)animated
{
[super viewWillDisappear:animated];
[[UIDevice currentDevice] setProximityMonitoringEnabled:NO];
[UIApplication sharedApplication].idleTimerDisabled = NO;
}
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
[[UIDevice currentDevice] setProximityMonitoringEnabled:YES];
[UIApplication sharedApplication].idleTimerDisabled = YES;
}
- (UIStatusBarStyle)preferredStatusBarStyle
{
return UIStatusBarStyleLightContent;
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (void)pressesBegan:(NSSet<UIPress *> *)presses withEvent:(UIPressesEvent *)event
{
// No push-to-talk while in chat
if (!_chatNavigationController) {
for (UIPress* press in presses) {
if (press.key.keyCode == UIKeyboardHIDUsageKeyboardSpacebar) {
[self pushToTalkStart];
return;
}
}
}
[super pressesBegan:presses withEvent:event];
}
- (void)pressesEnded:(NSSet<UIPress *> *)presses withEvent:(UIPressesEvent *)event
{
// No push-to-talk while in chat
if (!_chatNavigationController) {
for (UIPress* press in presses) {
if (press.key.keyCode == UIKeyboardHIDUsageKeyboardSpacebar) {
[self pushToTalkEnd];
return;
}
}
}
[super pressesEnded:presses withEvent:event];
}
#pragma mark - App lifecycle notifications
-(void)appDidBecomeActive:(NSNotification*)notification
{
if (!_isAudioOnly && _callController && !_userDisabledVideo) {
// Only enable video if it was not disabled by the user.
[self enableLocalVideo];
}
}
-(void)appWillResignActive:(NSNotification*)notification
{
if (!_isAudioOnly && _callController) {
[_callController getVideoEnabledStateWithCompletionBlock:^(BOOL isEnabled) {
if (isEnabled) {
// Disable video when the app moves to the background as we can't access the camera anymore.
[self disableLocalVideo];
}
}];
}
}
#pragma mark - Rooms manager notifications
- (void)didJoinRoom:(NSNotification *)notification
{
NSString *token = [notification.userInfo objectForKey:@"token"];
if (![token isEqualToString:_room.token]) {
return;
}
NSError *error = [notification.userInfo objectForKey:@"error"];
if (error) {
[self presentJoinError:[notification.userInfo objectForKey:@"errorReason"]];
return;
}
NCRoomController *roomController = [notification.userInfo objectForKey:@"roomController"];
if (!_callController) {
[self startCallWithSessionId:roomController.userSessionId];
}
[self.titleView updateForRoom:_room];
}
- (void)providerDidChangeAudioMute:(NSNotification *)notification
{
NSString *roomToken = [notification.userInfo objectForKey:@"roomToken"];
if (![roomToken isEqualToString:_room.token]) {
return;
}
BOOL isMuted = [[notification.userInfo objectForKey:@"isMuted"] boolValue];
[self setAudioMuted:isMuted];
}
- (void)providerDidEndCall:(NSNotification *)notification
{
NSString *roomToken = [notification.userInfo objectForKey:@"roomToken"];
if (![roomToken isEqualToString:_room.token]) {
return;
}
[self hangup];
}
- (void)providerWantsToUpgradeToVideoCall:(NSNotification *)notification
{
NSString *roomToken = [notification.userInfo objectForKey:@"roomToken"];
if (![roomToken isEqualToString:_room.token]) {
return;
}
if (_isAudioOnly) {
[self showUpgradeToVideoCallDialog];
}
}
#pragma mark - Audio controller notifications
- (void)audioSessionDidChangeRoute:(NSNotification *)notification
{
[self adjustSpeakerButton];
}
- (void)audioSessionDidActivate:(NSNotification *)notification
{
[self adjustSpeakerButton];
}
- (void)audioSessionDidChangeSpeaker:(NSNotification *)notification
{
[self adjustSpeakerButton];
dispatch_async(dispatch_get_main_queue(), ^{
[self adjustMoreButtonMenu];
});
}
#pragma mark - Local video
- (void)setLocalVideoRect
{
CGSize localVideoSize;
CGFloat width = [UIScreen mainScreen].bounds.size.width / 6;
CGFloat height = [UIScreen mainScreen].bounds.size.height / 6;
NSString *videoResolution = [[[NCSettingsController sharedInstance] videoSettingsModel] currentVideoResolutionSettingFromStore];
NSString *localVideoRes = [[[NCSettingsController sharedInstance] videoSettingsModel] readableResolution:videoResolution];
// When running on MacOS the camera will always be in portrait mode
if ([localVideoRes isEqualToString:@"Low"] || [localVideoRes isEqualToString:@"Normal"]) {
if (width < height || [NCUtils isiOSAppOnMac]) {
localVideoSize = CGSizeMake(height * 3/4, height);
} else {
localVideoSize = CGSizeMake(width, width * 3/4);
}
} else {
if (width < height || [NCUtils isiOSAppOnMac]) {
localVideoSize = CGSizeMake(height * 9/16, height);
} else {
localVideoSize = CGSizeMake(width, width * 9/16);
}
}
UIEdgeInsets safeAreaInsets = self.view.safeAreaInsets;
_localVideoOriginPosition = CGPointMake(16 + safeAreaInsets.left + _collectionViewLeftConstraint.constant, 80 + safeAreaInsets.top);
CGRect localVideoRect = CGRectMake(_localVideoOriginPosition.x, _localVideoOriginPosition.y, localVideoSize.width, localVideoSize.height);
dispatch_async(dispatch_get_main_queue(), ^{
self->_localVideoView.frame = localVideoRect;
self->_localVideoView.layer.cornerRadius = 15.0f;
self->_localVideoView.layer.masksToBounds = YES;
});
}
#pragma mark - Proximity sensor
- (void)sensorStateChange:(NSNotificationCenter *)notification
{
dispatch_async(dispatch_get_main_queue(), ^{
[self->_proximityTimer invalidate];
self->_proximityTimer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(adjustProximityState) userInfo:nil repeats:NO];
});
}
- (void)adjustProximityState
{
BOOL currentProximityState = [[UIDevice currentDevice] proximityState];
if (currentProximityState == _proximityState) {
return;
}
_proximityState = currentProximityState;
if (!_isAudioOnly) {
if (_proximityState == YES) {
[self disableLocalVideo];
[self disableSpeaker];
} else {
// Only enable video if it was not disabled by the user.
if (!_userDisabledVideo) {
[self enableLocalVideo];
}
if (!_userDisabledSpeaker) {
[self enableSpeaker];
}
}
}
[self pushToTalkEnd];
}
#pragma mark - User Interface
- (void)setCallState:(CallState)state
{
_callState = state;
switch (state) {
case CallStateJoining:
case CallStateWaitingParticipants:
case CallStateReconnecting:
{
[self showWaitingScreen];
[self invalidateDetailedViewTimer];
[self showDetailedView];
[self removeTapGestureForDetailedView];
}
break;
case CallStateInCall:
{
[self hideWaitingScreen];
if (!_isAudioOnly) {
[self addTapGestureForDetailedView];
[self showDetailedViewWithTimer];
}
}
break;
case CallStateSwitchingToAnotherRoom:
{
[self showWaitingScreen];
[self invalidateDetailedViewTimer];
[self showDetailedView];
[self removeTapGestureForDetailedView];
}
break;
default:
break;
}
}
- (void)setCallStateForPeersInCall
{
if ([_peersInCall count] > 0) {
if (_callState != CallStateInCall) {
[self setCallState:CallStateInCall];
}
} else {
if (_callState == CallStateInCall) {
[self setCallState:CallStateWaitingParticipants];
}
}
}
- (void)createWaitingScreen
{
self.avatarBackgroundImageView.backgroundColor = [NCAppBranding themeColor];
if (_room.type == kNCRoomTypeOneToOne) {
__weak AvatarBackgroundImageView *weakBGView = self.avatarBackgroundImageView;
[self.avatarBackgroundImageView setImageWithURLRequest:[[NCAPIController sharedInstance] createAvatarRequestForUser:_room.name withStyle:self.traitCollection.userInterfaceStyle andSize:96 usingAccount:[[NCDatabaseManager sharedInstance] activeAccount]]
placeholderImage:nil success:^(NSURLRequest * _Nonnull request, NSHTTPURLResponse * _Nullable response, UIImage * _Nonnull image) {
NSDictionary *headers = [response allHeaderFields];
id customAvatarHeader = [headers objectForKey:@"X-NC-IsCustomAvatar"];
BOOL shouldShowBlurBackground = YES;
if (customAvatarHeader) {
shouldShowBlurBackground = [customAvatarHeader boolValue];
} else if ([response statusCode] == 201) {
shouldShowBlurBackground = NO;
}
if (shouldShowBlurBackground) {
UIImage *blurImage = [NCUtils blurImageFromImage:image];
[weakBGView setImage:blurImage];
weakBGView.contentMode = UIViewContentModeScaleAspectFill;
} else {
DBImageColorPicker *colorPicker = [[DBImageColorPicker alloc] initFromImage:image withBackgroundType:DBImageColorPickerBackgroundTypeDefault];
[weakBGView setBackgroundColor:colorPicker.backgroundColor];
weakBGView.backgroundColor = [weakBGView.backgroundColor colorWithAlphaComponent:0.8];
}
} failure:nil];
}
[self setWaitingScreenText];
}
- (void)setWaitingScreenText
{
NSString *waitingMessage = NSLocalizedString(@"Waiting for others to join call …", nil);
if (_room.type == kNCRoomTypeOneToOne) {
waitingMessage = [NSString stringWithFormat:NSLocalizedString(@"Waiting for %@ to join call …", nil), _room.displayName];
}
if (_callState == CallStateReconnecting) {
waitingMessage = NSLocalizedString(@"Connecting to the call …", nil);
}
if (_callState == CallStateSwitchingToAnotherRoom) {
waitingMessage = NSLocalizedString(@"Switching to another conversation …", nil);
}
dispatch_async(dispatch_get_main_queue(), ^{
self.waitingLabel.text = waitingMessage;
});
}
- (void)showWaitingScreen
{
[self setWaitingScreenText];
dispatch_async(dispatch_get_main_queue(), ^{
self.collectionView.backgroundView = self.waitingView;
});
}
- (void)hideWaitingScreen
{
dispatch_async(dispatch_get_main_queue(), ^{
self.collectionView.backgroundView = nil;
});
}
- (void)addTapGestureForDetailedView
{
dispatch_async(dispatch_get_main_queue(), ^{
[self.view addGestureRecognizer:self->_tapGestureForDetailedView];
});
}
- (void)removeTapGestureForDetailedView
{
dispatch_async(dispatch_get_main_queue(), ^{
[self.view removeGestureRecognizer:self->_tapGestureForDetailedView];
});
}
- (void)showDetailedView
{
_isDetailedViewVisible = YES;
[self showPeersInfo];
}
- (void)showDetailedViewWithTimer
{
if (_isDetailedViewVisible) {
[self hideDetailedView];
} else {
[self showDetailedView];
[self setDetailedViewTimer];
}
}
- (void)hideDetailedView
{
// Keep detailed view visible while push to talk is active
if (_pushToTalkActive) {
[self setDetailedViewTimer];
return;
}
_isDetailedViewVisible = NO;
[self hidePeersInfo];
[self invalidateDetailedViewTimer];
}
- (void)setAudioMuteButtonActive:(BOOL)active
{
dispatch_async(dispatch_get_main_queue(), ^{
NSString *micStatusString = nil;
if (active) {
micStatusString = NSLocalizedString(@"Microphone enabled", nil);
[self->_audioMuteButton setImage:[UIImage imageNamed:@"audio"] forState:UIControlStateNormal];
} else {
micStatusString = NSLocalizedString(@"Microphone disabled", nil);
[self->_audioMuteButton setImage:[UIImage imageNamed:@"audio-off"] forState:UIControlStateNormal];
}
self->_audioMuteButton.accessibilityValue = micStatusString;
});
}
- (void)setAudioMuteButtonEnabled:(BOOL)enabled
{
dispatch_async(dispatch_get_main_queue(), ^{
self->_audioMuteButton.enabled = enabled;
});
}
- (void)setVideoDisableButtonActive:(BOOL)active
{
dispatch_async(dispatch_get_main_queue(), ^{
NSString *cameraStatusString = nil;
if (active) {
cameraStatusString = NSLocalizedString(@"Camera enabled", nil);
[self->_videoDisableButton setImage:[UIImage imageNamed:@"video"] forState:UIControlStateNormal];
} else {
cameraStatusString = NSLocalizedString(@"Camera disabled", nil);
[self->_videoDisableButton setImage:[UIImage imageNamed:@"video-off"] forState:UIControlStateNormal];
}
self->_videoDisableButton.accessibilityValue = cameraStatusString;
});
}
- (void)setVideoDisableButtonEnabled:(BOOL)enabled
{
dispatch_async(dispatch_get_main_queue(), ^{
self->_videoDisableButton.enabled = enabled;
});
}
- (void)setLocalVideoViewHidden:(BOOL)hidden
{
dispatch_async(dispatch_get_main_queue(), ^{
[self->_localVideoView setHidden:hidden];
});
}
- (void)adjustTopBar
{
dispatch_async(dispatch_get_main_queue(), ^{
// Enable/Disable video buttons
self->_videoDisableButton.hidden = self->_isAudioOnly;
self->_switchCameraButton.hidden = self->_isAudioOnly;
self->_videoCallButton.hidden = !self->_isAudioOnly;
self->_lowerHandButton.hidden = !self->_isHandRaised;
self->_speakerButton.hidden = NO;
BOOL hideRecordingButton = ![self->_room callRecordingIsInActiveState];
self->_recordingButton.hidden = hideRecordingButton;
// Differ between starting a call recording and an actual running call recording
if (self->_room.callRecording == NCCallRecordingStateVideoStarting || self->_room.callRecording == NCCallRecordingStateAudioStarting) {
self->_recordingButton.tintColor = UIColor.systemGrayColor;
} else {
self->_recordingButton.tintColor = UIColor.systemRedColor;
}
// When the horizontal size is compact (e.g. iPhone portrait) we don't show the 'End call' text on the button
// Don't make assumptions about the device here, because with split screen even an iPad can have a compact width
if (self.traitCollection.horizontalSizeClass == UIUserInterfaceSizeClassCompact) {
[self->_hangUpButton setTitle:@"" forState:UIControlStateNormal];
} else {
[self->_hangUpButton setTitle:NSLocalizedString(@"End call", nil) forState:UIControlStateNormal];
}
// Make sure we get the correct frame for the stack view, after changing the visibility of buttons
[self->_topBarView setNeedsLayout];
[self->_topBarView layoutIfNeeded];
// Hide titleView if we don't have enough space
// Don't do it in one go, as then we will have some jumping
if (self->_titleView.frame.size.width < 200) {
[self->_hangUpButton setTitle:@"" forState:UIControlStateNormal];
[self->_titleView setHidden:YES];
} else {
[self->_titleView setHidden:NO];
}
// Need to update the layout again, if we changed it here
[self->_topBarView setNeedsLayout];
[self->_topBarView layoutIfNeeded];
// Hide the speaker button to make some more room for higher priority buttons
// This should only be the case for iPhone SE (1st Gen) when recording is active and/or hand is raised
if (self->_topBarButtonStackView.frame.origin.x < 0) {
self->_speakerButton.hidden = YES;
}
[self adjustMoreButtonMenu];
});
}
- (void)adjustConstraints
{
CGFloat rightConstraintConstant = [self getRightSideConstraintConstant];
[self->_collectionViewRightConstraint setConstant:rightConstraintConstant];
if (self.traitCollection.horizontalSizeClass == UIUserInterfaceSizeClassCompact) {
[self->_collectionViewLeftConstraint setConstant:0.0f];
} else {
[self->_collectionViewLeftConstraint setConstant:8.0f];
}
if (self.traitCollection.verticalSizeClass == UIUserInterfaceSizeClassCompact) {
[self->_collectionViewBottomConstraint setConstant:0.0f];
[self->_sideBarViewBottomConstraint setConstant:0.0f];
} else {
[self->_collectionViewBottomConstraint setConstant:8.0f];
[self->_sideBarViewBottomConstraint setConstant:8.0f];
}
}
- (void)adjustMoreButtonMenu
{
// When we target iOS 15, we might want to use an uncached UIDeferredMenuElement
NSMutableArray *items = [[NSMutableArray alloc] init];
// Add speaker button to menu if it was hidden from topbar
if ([self.speakerButton isHidden]) {
// TODO: Adjust for AirPlay?
UIImage *speakerImage = [[UIImage imageNamed:@"speaker"] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
NSString *speakerActionTitle = NSLocalizedString(@"Speaker", nil);
if (![NCAudioController sharedInstance].isSpeakerActive) {
speakerImage = [[UIImage imageNamed:@"speaker-off"] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
}
UIAction *speakerAction = [UIAction actionWithTitle:speakerActionTitle image:speakerImage identifier:nil handler:^(UIAction *action) {
[self speakerButtonPressed:nil];
}];
[items addObject:speakerAction];
}
if ([[NCDatabaseManager sharedInstance] serverHasTalkCapability:kCapabilityRaiseHand]) {
NSString *raiseHandTitel = NSLocalizedString(@"Raise hand", nil);
if (_isHandRaised) {
raiseHandTitel = NSLocalizedString(@"Lower hand", nil);
}
UIAction *raiseHandAction = [UIAction actionWithTitle:raiseHandTitel image:[UIImage imageNamed:@"hand"] identifier:nil handler:^(UIAction *action) {
[self->_callController raiseHand:!self->_isHandRaised];
self->_isHandRaised = !self->_isHandRaised;
[self adjustTopBar];
}];
[items addObject:raiseHandAction];
}
if ([self->_room isUserOwnerOrModerator] && [[NCSettingsController sharedInstance] isRecordingEnabled]) {
UIImage *recordingImage = [UIImage imageNamed:@"record-circle"];
NSString *recordingActionTitle = NSLocalizedString(@"Start recording", nil);
if ([self->_room callRecordingIsInActiveState]) {
recordingImage = [UIImage imageNamed:@"stop-circle"];
recordingActionTitle = NSLocalizedString(@"Stop recording", nil);
}
UIAction *recordingAction = [UIAction actionWithTitle:recordingActionTitle image:recordingImage identifier:nil handler:^(UIAction *action) {
if ([self->_room callRecordingIsInActiveState]) {
[self showStopRecordingConfirmationDialog];
} else {
[self->_callController startRecording];
}
}];
[items addObject:recordingAction];
}
self.moreMenuButton.menu = [UIMenu menuWithTitle:@"" children:items];
}
- (void)adjustSpeakerButton
{
[[WebRTCCommon shared] dispatch:^{
NCAudioController *audioController = [NCAudioController sharedInstance];
AVAudioSession *audioSession = audioController.rtcAudioSession.session;
NSUInteger numberOfAvailableInputs = audioSession.availableInputs.count;
[self setSpeakerButtonActive:audioController.isSpeakerActive];
dispatch_async(dispatch_get_main_queue(), ^{
// Show AirPlay button if there are more audio routes available
if (numberOfAvailableInputs > 1) {
[self setSpeakerButtonWithAirplayButton];
} else {
[self->_airplayView removeFromSuperview];
}
});
}];
}
- (void)setDetailedViewTimer
{
[self invalidateDetailedViewTimer];
_detailedViewTimer = [NSTimer scheduledTimerWithTimeInterval:5.0 target:self selector:@selector(hideDetailedView) userInfo:nil repeats:NO];
}
- (void)invalidateDetailedViewTimer
{
[_detailedViewTimer invalidate];
_detailedViewTimer = nil;
}
- (void)presentJoinError:(NSString *)alertMessage
{
NSString *alertTitle = [NSString stringWithFormat:NSLocalizedString(@"Could not join %@ call", nil), _room.displayName];
if (_room.type == kNCRoomTypeOneToOne) {
alertTitle = [NSString stringWithFormat:NSLocalizedString(@"Could not join call with %@", nil), _room.displayName];
}
UIAlertController * alert = [UIAlertController alertControllerWithTitle:alertTitle
message:alertMessage
preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction* okButton = [UIAlertAction actionWithTitle:NSLocalizedString(@"OK", nil)
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * _Nonnull action) {
[self hangup];
}];
[alert addAction:okButton];
dispatch_async(dispatch_get_main_queue(), ^{
[self presentViewController:alert animated:YES completion:nil];
});
}
- (void)adjustLocalVideoPositionFromOriginPosition:(CGPoint)position
{
UIEdgeInsets safeAreaInsets = _localVideoView.superview.safeAreaInsets;
CGFloat edgeInsetTop = 16 + _topBarView.frame.origin.y + _topBarView.frame.size.height;
CGFloat edgeInsetLeft = 16 + safeAreaInsets.left + _collectionViewLeftConstraint.constant;
CGFloat edgeInsetBottom = 16 + safeAreaInsets.bottom + _collectionViewBottomConstraint.constant;
CGFloat edgeInsetRight = 16 + safeAreaInsets.right + _collectionViewRightConstraint.constant;
UIEdgeInsets edgeInsets = UIEdgeInsetsMake(edgeInsetTop, edgeInsetLeft, edgeInsetBottom, edgeInsetRight);
CGSize parentSize = _localVideoView.superview.bounds.size;
CGSize viewSize = _localVideoView.bounds.size;
// Adjust left
if (position.x < edgeInsets.left) {
position = CGPointMake(edgeInsets.left, position.y);
}
// Adjust top
if (position.y < edgeInsets.top) {
position = CGPointMake(position.x, edgeInsets.top);
}
// Adjust right
if (position.x > parentSize.width - viewSize.width - edgeInsets.right) {
position = CGPointMake(parentSize.width - viewSize.width - edgeInsets.right, position.y);
}
// Adjust bottom
if (position.y > parentSize.height - viewSize.height - edgeInsets.bottom) {
position = CGPointMake(position.x, parentSize.height - viewSize.height - edgeInsets.bottom);
}
CGRect frame = _localVideoView.frame;
frame.origin.x = position.x;
frame.origin.y = position.y;
[UIView animateWithDuration:0.3 animations:^{
self->_localVideoView.frame = frame;
}];
}
- (void)localVideoDragged:(UIPanGestureRecognizer *)gesture
{
if (gesture.view == _localVideoView) {
if (gesture.state == UIGestureRecognizerStateBegan) {
_localVideoDragStartingPosition = gesture.view.center;
} else if (gesture.state == UIGestureRecognizerStateChanged) {
CGPoint translation = [gesture translationInView:gesture.view];
_localVideoView.center = CGPointMake(_localVideoDragStartingPosition.x + translation.x, _localVideoDragStartingPosition.y + translation.y);
} else if (gesture.state == UIGestureRecognizerStateEnded) {
_localVideoOriginPosition = gesture.view.frame.origin;
[self adjustLocalVideoPositionFromOriginPosition:_localVideoOriginPosition];
}
}
}
#pragma mark - Call actions
-(void)handlePushToTalk:(UILongPressGestureRecognizer *)gestureRecognizer
{
if (gestureRecognizer.state == UIGestureRecognizerStateBegan) {
[self pushToTalkStart];
} else if (gestureRecognizer.state == UIGestureRecognizerStateEnded) {
[self pushToTalkEnd];
}
}
- (void)pushToTalkStart
{
if (!_callController) {
return;
}
[_callController getAudioEnabledStateWithCompletionBlock:^(BOOL isEnabled) {
if (!isEnabled) {
[self setAudioMuted:NO];
dispatch_async(dispatch_get_main_queue(), ^{
[self->_buttonFeedbackGenerator impactOccurred];
self->_pushToTalkActive = YES;
});
}
}];
}
- (void)pushToTalkEnd
{
if (_pushToTalkActive) {
[self setAudioMuted:YES];
_pushToTalkActive = NO;
}
}
- (IBAction)audioButtonPressed:(id)sender
{
if (!_callController) {
return;
}
[_callController getAudioEnabledStateWithCompletionBlock:^(BOOL isEnabled) {
if ([CallKitManager isCallKitAvailable]) {
dispatch_async(dispatch_get_main_queue(), ^{
[[CallKitManager sharedInstance] changeAudioMuted:isEnabled forCall:self->_room.token];
});
} else {
[self setAudioMuted:isEnabled];
}
}];
}
- (void)forceMuteAudio
{
[self setAudioMuted:YES];
NSString *micDisabledString = NSLocalizedString(@"Microphone disabled", nil);
NSString *forceMutedString = NSLocalizedString(@"You have been muted by a moderator", nil);
dispatch_async(dispatch_get_main_queue(), ^{
[[JDStatusBarNotificationPresenter sharedPresenter] presentWithTitle:micDisabledString subtitle:forceMutedString includedStyle:JDStatusBarNotificationIncludedStyleDark completion:nil];
[[JDStatusBarNotificationPresenter sharedPresenter] dismissAfterDelay:7.0];
});
}
- (void)setAudioMuted:(BOOL)isMuted
{
[_callController enableAudio:!isMuted];
[self setAudioMuteButtonActive:!isMuted];
}
- (IBAction)videoButtonPressed:(id)sender
{
if (!_callController) {
return;
}
[_callController getVideoEnabledStateWithCompletionBlock:^(BOOL isEnabled) {
[self setLocalVideoEnabled:!isEnabled];
self->_userDisabledVideo = isEnabled;
}];
}
- (void)disableLocalVideo
{
[self setLocalVideoEnabled:NO];
}
- (void)enableLocalVideo
{
[self setLocalVideoEnabled:YES];
}
- (void)setLocalVideoEnabled:(BOOL)enabled
{
[_callController enableVideo:enabled];
[self setLocalVideoViewHidden:!enabled];
[self setVideoDisableButtonActive:enabled];
}
- (IBAction)switchCameraButtonPressed:(id)sender
{
[_callController switchCamera];
[self flipLocalVideoView];
}
- (void)flipLocalVideoView
{
CATransition *animation = [CATransition animation];
animation.duration = .5f;
animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
animation.type = @"oglFlip";
animation.subtype = kCATransitionFromRight;
[self.localVideoView.layer addAnimation:animation forKey:nil];
}
- (IBAction)speakerButtonPressed:(id)sender
{
if ([NCAudioController sharedInstance].isSpeakerActive) {
[self disableSpeaker];
_userDisabledSpeaker = YES;
} else {
[self enableSpeaker];
_userDisabledSpeaker = NO;
}
[self adjustMoreButtonMenu];
}
- (void)disableSpeaker
{
[self setSpeakerButtonActive:NO];
[[WebRTCCommon shared] dispatch:^{
[[NCAudioController sharedInstance] setAudioSessionToVoiceChatMode];
}];
}
- (void)enableSpeaker
{
[self setSpeakerButtonActive:YES];
[[WebRTCCommon shared] dispatch:^{
[[NCAudioController sharedInstance] setAudioSessionToVideoChatMode];
}];
}
- (void)setSpeakerButtonActive:(BOOL)active
{
dispatch_async(dispatch_get_main_queue(), ^{
NSString *speakerStatusString = nil;
if (active) {
speakerStatusString = NSLocalizedString(@"Speaker enabled", nil);
[self.speakerButton setImage:[UIImage imageNamed:@"speaker"] forState:UIControlStateNormal];
} else {
speakerStatusString = NSLocalizedString(@"Speaker disabled", nil);
[self.speakerButton setImage:[UIImage imageNamed:@"speaker-off"] forState:UIControlStateNormal];
}
self.speakerButton.accessibilityValue = speakerStatusString;
self.speakerButton.accessibilityHint = NSLocalizedString(@"Double tap to enable or disable the speaker", nil);
});
}
- (void)setSpeakerButtonWithAirplayButton
{
dispatch_async(dispatch_get_main_queue(), ^{
[self.speakerButton setImage:nil forState:UIControlStateNormal];
self.speakerButton.accessibilityValue = NSLocalizedString(@"AirPlay button", nil);
self.speakerButton.accessibilityHint = NSLocalizedString(@"Double tap to select different audio routes", nil);
[self.speakerButton addSubview:self->_airplayView];
});
}
- (IBAction)hangupButtonPressed:(id)sender
{
[self hangup];
}
- (void)hangup
{
if (!_hangingUp) {
_hangingUp = YES;
// Dismiss possible notifications
[[NSNotificationCenter defaultCenter] removeObserver:self];
// Make sure we don't try to receive messages while hanging up
if (_chatViewController) {
[_chatViewController leaveChat];
_chatViewController = nil;
}
[self.delegate callViewControllerWantsToBeDismissed:self];
[_localVideoView.captureSession stopRunning];
_localVideoView.captureSession = nil;
[_localVideoView setHidden:YES];
dispatch_async(dispatch_get_main_queue(), ^{
for (NCPeerConnection *peerConnection in self->_peersInCall) {
// Video renderers
RTCMTLVideoView *videoRenderer = [self->_videoRenderersDict objectForKey:peerConnection.peerId];
[self->_videoRenderersDict removeObjectForKey:peerConnection.peerId];
// Screen renderers
RTCMTLVideoView *screenRenderer = [self->_screenRenderersDict objectForKey:peerConnection.peerId];
[self->_screenRenderersDict removeObjectForKey:peerConnection.peerId];
[[WebRTCCommon shared] dispatch:^{
[[peerConnection.remoteStream.videoTracks firstObject] removeRenderer:videoRenderer];
[[peerConnection.remoteStream.videoTracks firstObject] removeRenderer:screenRenderer];
}];
}
});
if (_callController) {
[_callController leaveCall];
} else {
[self finishCall];
}
}
}
- (IBAction)videoCallButtonPressed:(id)sender
{
[self showUpgradeToVideoCallDialog];
}
- (void)showUpgradeToVideoCallDialog
{
UIAlertController *confirmDialog =
[UIAlertController alertControllerWithTitle:NSLocalizedString(@"Do you want to enable your camera?", nil)
message:NSLocalizedString(@"If you enable your camera, this call will be interrupted for a few seconds.", nil)
preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *confirmAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Enable", nil) style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
[self upgradeToVideoCall];
}];
[confirmDialog addAction:confirmAction];
UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Cancel", nil) style:UIAlertActionStyleCancel handler:nil];
[confirmDialog addAction:cancelAction];
[self presentViewController:confirmDialog animated:YES completion:nil];
}
- (void)upgradeToVideoCall
{
_videoCallUpgrade = YES;
[self hangup];
}
- (IBAction)toggleChatButtonPressed:(id)sender
{
[self toggleChatView];
}
- (CGFloat)getRightSideConstraintConstant
{
CGFloat constant = 0;
if (self.sideBarWidth.constant > 0) {
// Take sidebar width into account
constant += self.sideBarWidth.constant;
// Add padding between the element and the sidebar
constant += 8;
}
if (self.traitCollection.horizontalSizeClass == UIUserInterfaceSizeClassRegular) {
// On regular size classes, we also have a padding of 8 to the safe area
constant += 8;
}
return constant;
}
- (void)setSideBarVisible:(BOOL)visible animated:(BOOL)animated withCompletion:(void (^ __nullable)(void))block
{
[self.view layoutIfNeeded];
if (visible) {
[self.sideBarView setHidden:NO];
[self.sideBarWidth setConstant:kSidebarWidth];
} else {
[self.sideBarWidth setConstant:0];
}
CGFloat rightConstraintConstant = [self getRightSideConstraintConstant];
[self.topBarViewRightContraint setConstant:rightConstraintConstant];
[self.screenshareViewRightContraint setConstant:rightConstraintConstant];
[self.collectionViewRightConstraint setConstant:rightConstraintConstant];
[self adjustTopBar];
void (^animations)(void) = ^void() {
[self.titleView layoutIfNeeded];
[self.view layoutIfNeeded];
[self adjustLocalVideoPositionFromOriginPosition:self.localVideoView.frame.origin];
};
void (^afterAnimations)(void) = ^void() {
if (!visible) {
[self.sideBarView setHidden:YES];
}
if (block) {
block();
}
};
if (animated) {
[UIView animateWithDuration:0.3f animations:^{
animations();
} completion:^(BOOL finished) {
afterAnimations();
}];
} else {
animations();
afterAnimations();
}
}
- (void)adjustChatLocation
{
if (!_chatNavigationController) {
return;
}
if (self.traitCollection.horizontalSizeClass == UIUserInterfaceSizeClassCompact && [_chatNavigationController.view isDescendantOfView:_sideBarView]) {
// Chat is displayed in the sidebar, but needs to move to full screen
// Remove chat from the sidebar and add to call view
[_chatNavigationController.view removeFromSuperview];
[self.view addSubview:_chatNavigationController.view];
// Show the navigationbar in case of fullscreen and adjust the frame
[_chatNavigationController setNavigationBarHidden:NO];
_chatNavigationController.view.frame = self.view.bounds;
// Finally hide the sidebar
[self setSideBarVisible:NO animated:NO withCompletion:nil];
} else if (self.traitCollection.horizontalSizeClass == UIUserInterfaceSizeClassRegular && [_chatNavigationController.view isDescendantOfView:self.view]) {
// Chat is fullscreen, but should move to the sidebar
// Remove chat from the call view and move it to the sidebar
[_chatNavigationController.view removeFromSuperview];
[self.sideBarView addSubview:_chatNavigationController.view];
// Show the sidebar to have the correct bounds
[self setSideBarVisible:YES animated:NO withCompletion:nil];
CGRect sideBarViewBounds = self.sideBarView.bounds;
_chatNavigationController.view.frame = CGRectMake(sideBarViewBounds.origin.x, sideBarViewBounds.origin.y, kSidebarWidth, sideBarViewBounds.size.height);
// Don't show the navigation bar when we show the chat in the sidebar
[_chatNavigationController setNavigationBarHidden:YES];
}
}
- (void)showChat
{
if (!_chatNavigationController) {
// Create new chat controller
TalkAccount *activeAccount = [[NCDatabaseManager sharedInstance] activeAccount];
NCRoom *room = [[NCRoomsManager sharedInstance] roomWithToken:_room.token forAccountId:activeAccount.accountId];
_chatViewController = [[NCChatViewController alloc] initForRoom:room];
_chatViewController.presentedInCall = YES;
_chatNavigationController = [[UINavigationController alloc] initWithRootViewController:_chatViewController];
}
[self addChildViewController:_chatNavigationController];
if (self.traitCollection.horizontalSizeClass == UIUserInterfaceSizeClassCompact) {
// Show chat fullscreen
[self.view addSubview:_chatNavigationController.view];
_chatNavigationController.view.frame = self.view.bounds;
_chatNavigationController.view.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
} else {
// Show chat in sidebar
[self.sideBarView addSubview:_chatNavigationController.view];
CGRect sideBarViewBounds = self.sideBarView.bounds;
_chatNavigationController.view.frame = CGRectMake(sideBarViewBounds.origin.x, sideBarViewBounds.origin.y, kSidebarWidth, sideBarViewBounds.size.height);
// Make sure the width does not change when collapsing the side bar (weird animation)
_chatNavigationController.view.autoresizingMask = UIViewAutoresizingFlexibleHeight;
[_chatNavigationController setNavigationBarHidden:YES];
__weak typeof(self) weakSelf = self;
[self setSideBarVisible:YES animated:YES withCompletion:^{
__strong typeof(self) strongSelf = weakSelf;
strongSelf->_chatNavigationController.view.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
}];
}
[_chatNavigationController didMoveToParentViewController:self];
}
- (void)traitCollectionDidChange:(UITraitCollection *)previousTraitCollection
{
if (!_chatNavigationController) {
return;
}
if (previousTraitCollection.horizontalSizeClass != self.traitCollection.horizontalSizeClass) {
// Need to adjust the position of the chat, either sidebar -> fullscreen or fullscreen -> sidebar
[self adjustChatLocation];
}
}
- (void)toggleChatView
{
if (!_chatNavigationController) {
[self showChat];
if (!_isAudioOnly) {
[self.view bringSubviewToFront:_localVideoView];
}
[self removeTapGestureForDetailedView];
} else {
[self.view layoutIfNeeded];
// Make sure we have a nice animation when closing the side bar and the chat is not squished
_chatNavigationController.view.autoresizingMask = UIViewAutoresizingFlexibleHeight;
__weak typeof(self) weakSelf = self;
[self setSideBarVisible:NO animated:YES withCompletion:^{
__strong typeof(self) strongSelf = weakSelf;
[strongSelf->_chatViewController leaveChat];
strongSelf->_chatViewController = nil;
[strongSelf->_chatNavigationController willMoveToParentViewController:nil];
[strongSelf->_chatNavigationController.view removeFromSuperview];
[strongSelf->_chatNavigationController removeFromParentViewController];
strongSelf->_chatNavigationController = nil;
if ((!strongSelf->_isAudioOnly && strongSelf->_callState == CallStateInCall) || strongSelf->_screenView) {
[strongSelf addTapGestureForDetailedView];
[strongSelf showDetailedViewWithTimer];
}
}];
}
}
- (void)finishCall
{
_callController = nil;
if (_videoCallUpgrade) {
_videoCallUpgrade = NO;
[self.delegate callViewControllerWantsVideoCallUpgrade:self];
} else {
[self.delegate callViewControllerDidFinish:self];
}
}
- (IBAction)lowerHandButtonPressed:(id)sender
{
self->_isHandRaised = NO;
[self->_callController raiseHand:NO];
[self adjustTopBar];
}
- (IBAction)videoRecordingButtonPressed:(id)sender
{
if (![_room canModerate]) {
return;
}
[self showStopRecordingConfirmationDialog];
}
- (void)showStopRecordingConfirmationDialog
{
UIAlertController *confirmDialog =
[UIAlertController alertControllerWithTitle:NSLocalizedString(@"Stop recording", nil)
message:NSLocalizedString(@"Do you want to stop the recording?", nil)
preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *stopAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Stop", @"Action to 'Stop' a recording") style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
[self->_callController stopRecording];
}];
[confirmDialog addAction:stopAction];
UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Cancel", nil) style:UIAlertActionStyleCancel handler:nil];
[confirmDialog addAction:cancelAction];
[self presentViewController:confirmDialog animated:YES completion:nil];
}
#pragma mark - CallParticipantViewCell delegate
- (void)cellWantsToPresentScreenSharing:(CallParticipantViewCell *)participantCell
{
[self showScreenOfPeerId:participantCell.peerId];
}
- (void)cellWantsToChangeZoom:(CallParticipantViewCell *)participantCell showOriginalSize:(BOOL)showOriginalSize
{
NCPeerConnection *peer = [self peerConnectionForPeerId:participantCell.peerId];
if (peer) {
[peer setShowRemoteVideoInOriginalSize:showOriginalSize];
}
}
#pragma mark - UICollectionView Datasource
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
[self setCallStateForPeersInCall];
return [_peersInCall count];
}
- (void)updateParticipantCell:(CallParticipantViewCell *)cell withPeerConnection:(NCPeerConnection *)peerConnection
{
BOOL isVideoDisabled = peerConnection.isRemoteVideoDisabled;
if (_isAudioOnly || peerConnection.remoteStream == nil) {
isVideoDisabled = YES;
}
[cell setVideoView:[_videoRenderersDict objectForKey:peerConnection.peerId]];
[cell setDisplayName:peerConnection.peerName];
[cell setAudioDisabled:peerConnection.isRemoteAudioDisabled];
[cell setScreenShared:[_screenRenderersDict objectForKey:peerConnection.peerId]];
[cell setVideoDisabled: isVideoDisabled];
[cell setShowOriginalSize:peerConnection.showRemoteVideoInOriginalSize];
[cell setRaiseHand:peerConnection.isHandRaised];
[cell.peerNameLabel setAlpha:_isDetailedViewVisible ? 1.0 : 0.0];
[cell.audioOffIndicator setAlpha:_isDetailedViewVisible ? 1.0 : 0.0];
[[WebRTCCommon shared] dispatch:^{
NSString *userId = [self->_callController getUserIdFromSessionId:peerConnection.peerId];
dispatch_async(dispatch_get_main_queue(), ^{
[cell setUserAvatar:userId withDisplayName:peerConnection.peerName];
});
}];
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
CallParticipantViewCell *cell = (CallParticipantViewCell *)[collectionView dequeueReusableCellWithReuseIdentifier:kCallParticipantCellIdentifier forIndexPath:indexPath];
NCPeerConnection *peerConnection = [_peersInCall objectAtIndex:indexPath.row];
cell.peerId = peerConnection.peerId;
cell.actionsDelegate = self;
return cell;
}
-(void)collectionView:(UICollectionView *)collectionView willDisplayCell:(UICollectionViewCell *)cell forItemAtIndexPath:(NSIndexPath *)indexPath
{
CallParticipantViewCell *participantCell = (CallParticipantViewCell *)cell;
NCPeerConnection *peerConnection = [_peersInCall objectAtIndex:indexPath.row];
[self updateParticipantCell:participantCell withPeerConnection:peerConnection];
}
#pragma mark - Call Controller delegate
- (void)callControllerDidJoinCall:(NCCallController *)callController
{
[self setCallState:CallStateWaitingParticipants];
// Show chat if it was visible before room switch
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^(void){
if (self->_showChatAfterRoomSwitch && !self->_chatViewController) {
self->_showChatAfterRoomSwitch = NO;
[self toggleChatView];
}
});
}
- (void)callControllerDidFailedJoiningCall:(NCCallController *)callController statusCode:(NSNumber *)statusCode errorReason:(NSString *) errorReason
{
[self presentJoinError:errorReason];
}
- (void)callControllerDidEndCall:(NCCallController *)callController
{
[self finishCall];
}
- (void)callController:(NCCallController *)callController peerJoined:(NCPeerConnection *)peer
{
// Always add a joined peer, even if the peer doesn't publish any streams (yet)
[self addPeer:peer];
}
- (void)callController:(NCCallController *)callController peerLeft:(NCPeerConnection *)peer
{
[self removePeer:peer];
}
- (void)callController:(NCCallController *)callController didCreateLocalVideoCapturer:(RTCCameraVideoCapturer *)videoCapturer
{
_localVideoView.captureSession = videoCapturer.captureSession;
}
- (void)callController:(NCCallController *)callController userPermissionsChanged:(NSInteger)permissions
{
[self setAudioMuteButtonEnabled:(permissions & NCPermissionCanPublishAudio)];
[self setVideoDisableButtonEnabled:(permissions & NCPermissionCanPublishVideo)];
}
- (void)callController:(NCCallController *)callController didCreateLocalAudioTrack:(RTCAudioTrack *)audioTrack
{
[self setAudioMuteButtonActive:audioTrack.isEnabled];
}
- (void)callController:(NCCallController *)callController didCreateLocalVideoTrack:(RTCVideoTrack *)videoTrack
{
[self setLocalVideoViewHidden:!videoTrack.isEnabled];
[self setVideoDisableButtonActive:videoTrack.isEnabled];
// We set _userDisabledVideo = YES so the proximity sensor doesn't enable it.
if (!videoTrack.isEnabled) {
_userDisabledVideo = YES;
}
}
- (void)callController:(NCCallController *)callController didAddStream:(RTCMediaStream *)remoteStream ofPeer:(NCPeerConnection *)remotePeer
{
[[WebRTCCommon shared] assertQueue];
dispatch_async(dispatch_get_main_queue(), ^{
RTCMTLVideoView *renderView = [[RTCMTLVideoView alloc] initWithFrame:CGRectZero];
[[WebRTCCommon shared] dispatch:^{
RTCVideoTrack *remoteVideoTrack = [remotePeer.remoteStream.videoTracks firstObject];
renderView.delegate = self;
[remoteVideoTrack addRenderer:renderView];
}];
if ([remotePeer.roomType isEqualToString:kRoomTypeVideo]) {
[self->_videoRenderersDict setObject:renderView forKey:remotePeer.peerId];
NSIndexPath *indexPath = [self indexPathForPeerId:remotePeer.peerId];
if (!indexPath) {
// This is a new peer, add it
[self addPeer:remotePeer];
} else {
// This peer already exists in the collection view, so we can just update its cell
BOOL isVideoDisabled = (self->_isAudioOnly || remotePeer.isRemoteVideoDisabled);
[self updatePeer:remotePeer block:^(CallParticipantViewCell *cell) {
[cell setVideoView:renderView];
[cell setVideoDisabled:isVideoDisabled];
}];
}
} else if ([remotePeer.roomType isEqualToString:kRoomTypeScreen]) {
[self->_screenRenderersDict setObject:renderView forKey:remotePeer.peerId];
[self showScreenOfPeerId:remotePeer.peerId];
[self updatePeer:remotePeer block:^(CallParticipantViewCell *cell) {
[cell setScreenShared:YES];
}];
}
});
}
- (void)callController:(NCCallController *)callController didRemoveStream:(RTCMediaStream *)remoteStream ofPeer:(NCPeerConnection *)remotePeer
{
}
- (void)callController:(NCCallController *)callController iceStatusChanged:(RTCIceConnectionState)state ofPeer:(NCPeerConnection *)peer
{
if (state == RTCIceConnectionStateClosed) {
dispatch_async(dispatch_get_main_queue(), ^{
if ([peer.roomType isEqualToString:kRoomTypeVideo]) {
[self removePeer:peer];
} else if ([peer.roomType isEqualToString:kRoomTypeScreen]) {
[self removeScreensharingOfPeer:peer];
}
});
} else if ([peer.roomType isEqualToString:kRoomTypeVideo]) {
[self updatePeer:peer block:^(CallParticipantViewCell *cell) {
[cell setConnectionState:state];
}];
}
}
- (void)callController:(NCCallController *)callController didAddDataChannel:(RTCDataChannel *)dataChannel
{
}
- (void)callController:(NCCallController *)callController didReceiveDataChannelMessage:(NSString *)message fromPeer:(NCPeerConnection *)peer
{
if ([message isEqualToString:@"audioOn"] || [message isEqualToString:@"audioOff"]) {
[self updatePeer:peer block:^(CallParticipantViewCell *cell) {
[cell setAudioDisabled:peer.isRemoteAudioDisabled];
}];
} else if ([message isEqualToString:@"videoOn"] || [message isEqualToString:@"videoOff"]) {
if (!_isAudioOnly) {
[self updatePeer:peer block:^(CallParticipantViewCell *cell) {
[cell setVideoDisabled:peer.isRemoteVideoDisabled];
}];
}
} else if ([message isEqualToString:@"speaking"] || [message isEqualToString:@"stoppedSpeaking"]) {
if ([_peersInCall count] > 1) {
[self updatePeer:peer block:^(CallParticipantViewCell *cell) {
[cell setSpeaking:peer.isPeerSpeaking];
}];
}
} else if ([message isEqualToString:@"raiseHand"]) {
[self updatePeer:peer block:^(CallParticipantViewCell *cell) {
[cell setRaiseHand:peer.isHandRaised];
}];
}
}
- (void)callController:(NCCallController *)callController didReceiveNick:(NSString *)nick fromPeer:(NCPeerConnection *)peer
{
[self updatePeer:peer block:^(CallParticipantViewCell *cell) {
[cell setDisplayName:nick];
}];
}
- (void)callController:(NCCallController *)callController didReceiveUnshareScreenFromPeer:(NCPeerConnection *)peer
{
[self removeScreensharingOfPeer:peer];
}
- (void)callController:(NCCallController *)callController didReceiveForceMuteActionForPeerId:(NSString *)peerId
{
if ([peerId isEqualToString:callController.signalingSessionId]) {
[self forceMuteAudio];
} else {
NSLog(@"Peer was force muted: %@", peerId);
}
}
- (void)callControllerIsReconnectingCall:(NCCallController *)callController
{
[self setCallState:CallStateReconnecting];
}
- (void)callControllerWantsToHangUpCall:(NCCallController *)callController
{
dispatch_async(dispatch_get_main_queue(), ^{
[self hangup];
});
}
- (void)callControllerDidChangeRecording:(NCCallController *)callController
{
[self adjustTopBar];
dispatch_async(dispatch_get_main_queue(), ^{
NSString *notificationText = NSLocalizedString(@"Call recording stopped", nil);
if (self->_room.callRecording == NCCallRecordingStateVideoStarting || self->_room.callRecording == NCCallRecordingStateAudioStarting) {
notificationText = NSLocalizedString(@"Call recording is starting", nil);
} else if (self->_room.callRecording == NCCallRecordingStateVideoRunning || self->_room.callRecording == NCCallRecordingStateAudioRunning) {
notificationText = NSLocalizedString(@"Call recording started", nil);
} else if (self->_room.callRecording == NCCallRecordingStateFailed && self->_room.isUserOwnerOrModerator) {
notificationText = NSLocalizedString(@"Call recording failed. Please contact your administrator", nil);
}
[[JDStatusBarNotificationPresenter sharedPresenter] presentWithText:notificationText dismissAfterDelay:7.0 includedStyle:JDStatusBarNotificationIncludedStyleDark];
});
}
- (void)callController:(NCCallController *)callController isSwitchingToCall:(NSString *)token withAudioEnabled:(BOOL)audioEnabled andVideoEnabled:(BOOL)videoEnabled
{
[self setCallState:CallStateSwitchingToAnotherRoom];
// Close chat before switching to another room
if (_chatViewController) {
_showChatAfterRoomSwitch = YES;
[self toggleChatView];
}
// Connect to new call
TalkAccount *activeAccount = [[NCDatabaseManager sharedInstance] activeAccount];
[[NCRoomsManager sharedInstance] updateRoom:token withCompletionBlock:^(NSDictionary *roomDict, NSError *error) {
if (error) {
NSLog(@"Error getting room to switch");
return;
}
// Prepare rooms manager to switch to another room
[[NCRoomsManager sharedInstance] prepareSwitchToAnotherRoomFromRoom:self->_room.token withCompletionBlock:^(NSError *error) {
// Notify callkit about room switch
[self.delegate callViewController:self wantsToSwitchCallFromCall:self->_room.token toRoom:token];
// Assign new room as current room
self->_room = [NCRoom roomWithDictionary:roomDict andAccountId:activeAccount.accountId];
// Save current audio and video state
self->_audioDisabledAtStart = !audioEnabled;
self->_videoDisabledAtStart = !videoEnabled;
// Forget current call controller
self->_callController = nil;
// Join new room
[[NCRoomsManager sharedInstance] joinRoom:token forCall:YES];
}];
}];
}
#pragma mark - Screensharing
- (void)showScreenOfPeerId:(NSString *)peerId
{
dispatch_async(dispatch_get_main_queue(), ^{
RTCMTLVideoView *renderView = [self->_screenRenderersDict objectForKey:peerId];
[self->_screenView removeFromSuperview];
self->_screenView = nil;
self->_screenView = renderView;
self->_screensharingSize = renderView.frame.size;
[self->_screensharingView addSubview:self->_screenView];
[self->_screensharingView bringSubviewToFront:self->_closeScreensharingButton];
[UIView transitionWithView:self->_screensharingView duration:0.4
options:UIViewAnimationOptionTransitionCrossDissolve
animations:^{self->_screensharingView.hidden = NO;}
completion:nil];
[self resizeScreensharingView];
});
// Enable/Disable detailed view with tap gesture
// in voice only call when screensharing is enabled
if (_isAudioOnly) {
[self addTapGestureForDetailedView];
[self showDetailedViewWithTimer];
}
}
- (void)removeScreensharingOfPeer:(NCPeerConnection *)peer
{
dispatch_async(dispatch_get_main_queue(), ^{
RTCMTLVideoView *screenRenderer = [self->_screenRenderersDict objectForKey:peer.peerId];
[self->_screenRenderersDict removeObjectForKey:peer.peerId];
[self updatePeer:peer block:^(CallParticipantViewCell *cell) {
[cell setScreenShared:NO];
}];
if (self->_screenView == screenRenderer) {
[self closeScreensharingButtonPressed:self];
}
[[WebRTCCommon shared] dispatch:^{
[[peer.remoteStream.videoTracks firstObject] removeRenderer:screenRenderer];
}];
});
}
- (void)resizeScreensharingView {
CGRect bounds = _screensharingView.bounds;
CGSize videoSize = _screensharingSize;
if (videoSize.width > 0 && videoSize.height > 0) {
// Aspect fill remote video into bounds.
CGRect remoteVideoFrame = AVMakeRectWithAspectRatioInsideRect(videoSize, bounds);
CGFloat scale = 1;
remoteVideoFrame.size.height *= scale;
remoteVideoFrame.size.width *= scale;
_screenView.frame = remoteVideoFrame;
_screenView.center = CGPointMake(CGRectGetMidX(bounds), CGRectGetMidY(bounds));
} else {
_screenView.frame = bounds;
}
}
- (IBAction)closeScreensharingButtonPressed:(id)sender
{
dispatch_async(dispatch_get_main_queue(), ^{
[self->_screenView removeFromSuperview];
self->_screenView = nil;
[UIView transitionWithView:self->_screensharingView duration:0.4
options:UIViewAnimationOptionTransitionCrossDissolve
animations:^{self->_screensharingView.hidden = YES;}
completion:nil];
});
// Back to normal voice only UI
if (_isAudioOnly) {
[self invalidateDetailedViewTimer];
[self showDetailedView];
[self removeTapGestureForDetailedView];
}
}
#pragma mark - RTCVideoViewDelegate
- (void)videoView:(RTCMTLVideoView*)videoView didChangeVideoSize:(CGSize)size
{
dispatch_async(dispatch_get_main_queue(), ^{
for (RTCMTLVideoView *rendererView in [self->_videoRenderersDict allValues]) {
if ([videoView isEqual:rendererView]) {
rendererView.frame = CGRectMake(0, 0, size.width, size.height);
NSArray *keys = [self->_videoRenderersDict allKeysForObject:videoView];
if (keys.count) {
NSIndexPath *indexPath = [self indexPathForPeerId:keys[0]];
if (indexPath) {
CallParticipantViewCell *participantCell = (CallParticipantViewCell *) [self.collectionView cellForItemAtIndexPath:indexPath];
[participantCell setRemoteVideoSize:size];
}
}
}
}
for (RTCMTLVideoView *rendererView in [self->_screenRenderersDict allValues]) {
if ([videoView isEqual:rendererView]) {
rendererView.frame = CGRectMake(0, 0, size.width, size.height);
if ([self->_screenView isEqual:rendererView]) {
self->_screensharingSize = rendererView.frame.size;
[self resizeScreensharingView];
}
}
}
});
}
#pragma mark - Cell updates
- (NSIndexPath *)indexPathForPeerId:(NSString *)peerId
{
NSIndexPath *indexPath = nil;
for (int i = 0; i < _peersInCall.count; i ++) {
NCPeerConnection *peer = [_peersInCall objectAtIndex:i];
if ([peer.peerId isEqualToString:peerId]) {
indexPath = [NSIndexPath indexPathForRow:i inSection:0];
}
}
return indexPath;
}
- (void)updatePeer:(NCPeerConnection *)peer block:(UpdateCallParticipantViewCellBlock)block
{
dispatch_async(dispatch_get_main_queue(), ^{
NSIndexPath *indexPath = [self indexPathForPeerId:peer.peerId];
if (indexPath) {
CallParticipantViewCell *cell = (id)[self.collectionView cellForItemAtIndexPath:indexPath];
block(cell);
} else {
// The participant might not be added at this point -> delay the update
PendingCellUpdate *pendingUpdate = [[PendingCellUpdate alloc] init];
pendingUpdate.peer = peer;
pendingUpdate.block = block;
[self->_pendingPeerUpdates addObject:pendingUpdate];
}
});
}
- (NCPeerConnection *)peerConnectionForPeerId:(NSString *)peerId {
for (NCPeerConnection *peerConnection in self->_peersInCall) {
if ([peerConnection.peerId isEqualToString:peerId]) {
return peerConnection;
}
}
return nil;
}
- (void)showPeersInfo
{
dispatch_async(dispatch_get_main_queue(), ^{
NSArray *visibleCells = [self->_collectionView visibleCells];
for (CallParticipantViewCell *cell in visibleCells) {
[UIView animateWithDuration:0.3f animations:^{
[cell.peerNameLabel setAlpha:1.0f];
[cell.audioOffIndicator setAlpha:1.0f];
[cell layoutIfNeeded];
}];
}
});
}
- (void)hidePeersInfo
{
dispatch_async(dispatch_get_main_queue(), ^{
NSArray *visibleCells = [self->_collectionView visibleCells];
for (CallParticipantViewCell *cell in visibleCells) {
[UIView animateWithDuration:0.3f animations:^{
// Don't hide raise hand indicator, that should always be visible
[cell.peerNameLabel setAlpha:0.0f];
[cell.audioOffIndicator setAlpha:0.0f];
[cell layoutIfNeeded];
}];
}
});
}
- (void)addPeer:(NCPeerConnection *)peer
{
dispatch_async(dispatch_get_main_queue(), ^{
if (self->_peersInCall.count == 0) {
// Don't delay adding the first peer
[self->_peersInCall addObject:peer];
NSIndexPath *insertionIndexPath = [NSIndexPath indexPathForRow:0 inSection:0];
[self.collectionView insertItemsAtIndexPaths:@[insertionIndexPath]];
} else {
// Delay updating the collection view a bit to allow batch updating
[self->_pendingPeerInserts addObject:peer];
[self scheduleBatchCollectionViewUpdate];
}
});
}
- (void)removePeer:(NCPeerConnection *)peer
{
dispatch_async(dispatch_get_main_queue(), ^{
if ([self->_pendingPeerInserts containsObject:peer]) {
// The peer is a pending insert, but was removed before the batch update
// In this case we can just remove the pending insert
[self->_pendingPeerInserts removeObject:peer];
} else {
[self->_pendingPeerDeletions addObject:peer];
[self scheduleBatchCollectionViewUpdate];
}
});
}
- (void)scheduleBatchCollectionViewUpdate
{
// Make sure to call this only from the main queue
if (self->_batchUpdateTimer == nil) {
self->_batchUpdateTimer = [NSTimer scheduledTimerWithTimeInterval:0.5 target:self selector:@selector(batchCollectionViewUpdate) userInfo:nil repeats:NO];
}
}
- (void)batchCollectionViewUpdate
{
self->_batchUpdateTimer = nil;
if (_pendingPeerInserts.count == 0 && _pendingPeerDeletions.count == 0) {
return;
}
[_collectionView performBatchUpdates:^{
// Perform deletes before inserts according to apples docs
NSMutableArray *indexPathsToDelete = [[NSMutableArray alloc] init];
// Determine all indexPaths we want to delete and remove the renderers
for (NCPeerConnection *peer in _pendingPeerDeletions) {
// Video renderers
RTCMTLVideoView *videoRenderer = [self->_videoRenderersDict objectForKey:peer.peerId];
[self->_videoRenderersDict removeObjectForKey:peer.peerId];
[[WebRTCCommon shared] dispatch:^{
[[peer.remoteStream.videoTracks firstObject] removeRenderer:videoRenderer];
}];
// Screen renderers
[self removeScreensharingOfPeer:peer];
NSIndexPath *indexPath = [self indexPathForPeerId:peer.peerId];
// Make sure we remove every index path only once
if (indexPath && ![indexPathsToDelete containsObject:indexPath]) {
[indexPathsToDelete addObject:indexPath];
}
}
// Deletes should be done in descending order
NSSortDescriptor *rowSortDescending = [[NSSortDescriptor alloc] initWithKey:@"row" ascending:NO];
NSArray *indexPathsToDeleteSorted = [indexPathsToDelete sortedArrayUsingDescriptors:@[rowSortDescending]];
for (NSIndexPath *indexPath in indexPathsToDeleteSorted) {
[self->_peersInCall removeObjectAtIndex:indexPath.row];
[_collectionView deleteItemsAtIndexPaths:@[indexPath]];
}
// Add all new peers
for (NCPeerConnection *peer in _pendingPeerInserts) {
NSIndexPath *indexPath = [self indexPathForPeerId:peer.peerId];
if (!indexPath) {
[self->_peersInCall addObject:peer];
NSIndexPath *insertionIndexPath = [NSIndexPath indexPathForRow:self->_peersInCall.count - 1 inSection:0];
[self.collectionView insertItemsAtIndexPaths:@[insertionIndexPath]];
}
}
// Process pending updates
for (PendingCellUpdate *pendingUpdate in _pendingPeerUpdates) {
[self updatePeer:pendingUpdate.peer block:pendingUpdate.block];
}
_pendingPeerInserts = [[NSMutableArray alloc] init];
_pendingPeerDeletions = [[NSMutableArray alloc] init];
_pendingPeerUpdates = [[NSMutableArray alloc] init];
} completion:^(BOOL finished) {
}];
}
#pragma mark - NCChatTitleViewDelegate
- (void)chatTitleViewTapped:(NCChatTitleView *)titleView
{
RoomInfoTableViewController *roomInfoVC = [[RoomInfoTableViewController alloc] initForRoom:_room];
roomInfoVC.modalPresentationStyle = UIModalPresentationPageSheet;
UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:roomInfoVC];
[self presentViewController:navController animated:YES completion:nil];
}
@end