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Tha_14
248
local_pod_repo/objcTox/iOSDemo/OCTVideoViewController.m
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248
local_pod_repo/objcTox/iOSDemo/OCTVideoViewController.m
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#import "OCTVideoViewController.h"
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#import "OCTSubmanagerCalls.h"
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#import "OCTTableViewController.h"
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static const CGFloat kEdgeInsets = 25.0;
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@interface OCTVideoViewController ()
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@property (nonatomic, strong) id<OCTSubmanagerCalls> manager;
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@property (nonatomic, strong) UIButton *menuActionButton;
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@property (nonatomic, strong) UIView *previewView;
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@property (nonatomic, weak) CALayer *previewLayer;
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@property (nonatomic, strong) UIView *videoFeed;
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@property (nonatomic, strong) OCTCall *call;
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@end
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@implementation OCTVideoViewController
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- (instancetype)initWithCallManager:(id<OCTSubmanagerCalls>)manager call:(OCTCall *)call
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{
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self = [super init];
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if (! self) {
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return nil;
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}
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_manager = manager;
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_call = call;
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return self;
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}
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- (void)viewDidLoad
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{
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[super viewDidLoad];
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[self createDismissVCButton];
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[self createPreviewView];
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[self createVideoFeedView];
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[self createPreviewViewConstraints];
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}
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- (void)viewDidLayoutSubviews
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{
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[self adjustPreviewLayer];
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}
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- (void)createVideoViewConstraints
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{
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NSLayoutConstraint *videoViewTop = [NSLayoutConstraint constraintWithItem:self.videoFeed
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeTop
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multiplier:1.0
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constant:kEdgeInsets];
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NSLayoutConstraint *videoViewRight = [NSLayoutConstraint constraintWithItem:self.videoFeed
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attribute:NSLayoutAttributeRight
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeRight
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multiplier:1.0
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constant:-kEdgeInsets];
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NSLayoutConstraint *videoViewLeft = [NSLayoutConstraint constraintWithItem:self.videoFeed
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attribute:NSLayoutAttributeLeft
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeLeft
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multiplier:1.0
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constant:kEdgeInsets];
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NSLayoutConstraint *videoViewBottom = [NSLayoutConstraint constraintWithItem:self.videoFeed
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attribute:NSLayoutAttributeBottom
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relatedBy:NSLayoutRelationEqual
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toItem:self.previewView
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attribute:NSLayoutAttributeTop
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multiplier:1.0
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constant:0];
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[self.view addConstraints:@[videoViewBottom, videoViewLeft, videoViewRight, videoViewTop]];
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}
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- (void)createPreviewViewConstraints
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{
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NSLayoutConstraint *previewViewBottom = [NSLayoutConstraint constraintWithItem:self.previewView
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attribute:NSLayoutAttributeBottom
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeBottom
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multiplier:1.0
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constant:-kEdgeInsets];
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NSLayoutConstraint *previewViewLeft = [NSLayoutConstraint constraintWithItem:self.previewView
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attribute:NSLayoutAttributeLeft
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeLeft
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multiplier:1.0
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constant:kEdgeInsets];
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NSLayoutConstraint *previewViewRight = [NSLayoutConstraint constraintWithItem:self.previewView
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attribute:NSLayoutAttributeRight
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeRight
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multiplier:1.0
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constant:-kEdgeInsets];
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NSLayoutConstraint *previewViewHeight = [NSLayoutConstraint constraintWithItem:self.previewView
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attribute:NSLayoutAttributeHeight
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeHeight
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multiplier:0.5
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constant:-kEdgeInsets];
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[self.view addConstraints:@[previewViewBottom, previewViewHeight, previewViewLeft, previewViewRight]];
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}
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- (void)createPreviewView
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{
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self.previewView = [UIView new];
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self.previewView.userInteractionEnabled = NO;
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self.previewView.backgroundColor = [UIColor blackColor];
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self.previewView.translatesAutoresizingMaskIntoConstraints = NO;
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[self.view addSubview:self.previewView];
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}
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- (void)adjustPreviewLayer
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{
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if (! self.previewLayer) {
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__weak OCTVideoViewController *weakSelf = self;
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[self.previewView.layer addSublayer:self.previewLayer];
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[self.manager getVideoCallPreview:^(CALayer *layer) {
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OCTVideoViewController *strongSelf = weakSelf;
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[strongSelf.previewView.layer addSublayer:layer];
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strongSelf.previewLayer = layer;
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strongSelf.previewLayer.frame = strongSelf.previewView.bounds;
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}];
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}
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else {
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self.previewLayer.frame = self.previewView.bounds;
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}
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}
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- (void)createVideoFeedView
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{
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self.videoFeed = [self.manager videoFeed];
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self.videoFeed.translatesAutoresizingMaskIntoConstraints = NO;
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self.videoFeed.userInteractionEnabled = NO;
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[self.view addSubview:self.videoFeed];
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[self createVideoViewConstraints];
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}
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- (void)createDismissVCButton
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{
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self.menuActionButton = [[UIButton alloc] initWithFrame:self.view.bounds];
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self.menuActionButton.backgroundColor = [UIColor clearColor];
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[self.menuActionButton addTarget:self
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action:@selector(showActionDialog)
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forControlEvents:UIControlEventTouchUpInside];
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[self.view addSubview:self.menuActionButton];
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}
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- (void)showActionDialog
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{
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__weak OCTVideoViewController *weakSelf = self;
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"Video"
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message:@"actions"
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preferredStyle:UIAlertControllerStyleActionSheet];
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UIAlertAction *stopSendingVideoAction = [UIAlertAction actionWithTitle:@"Stop sending video"
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style:UIAlertActionStyleDefault
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handler:^(UIAlertAction *action) {
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[weakSelf stopSendingVideo];
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}];
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UIAlertAction *startSendingVideoAction = [UIAlertAction actionWithTitle:@"Start sending video"
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style:UIAlertActionStyleDefault
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handler:^(UIAlertAction *action) {
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[weakSelf startSendingVideo];
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}];
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UIAlertAction *switchToRearAction = [UIAlertAction actionWithTitle:@"Use rear camera"
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style:UIAlertActionStyleDefault
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handler:^(UIAlertAction *action) {
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[weakSelf switchToBack];
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}];
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UIAlertAction *switchToFrontAction = [UIAlertAction actionWithTitle:@"Use front camera"
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style:UIAlertActionStyleDefault
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handler:^(UIAlertAction *action) {
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[weakSelf switchToFront];
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}];
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UIAlertAction *dismissAction = [UIAlertAction actionWithTitle:@"Dismiss view"
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style:UIAlertActionStyleDestructive
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handler:^(UIAlertAction *action) {
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[weakSelf dismissViewButtonPressed];
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}];
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[alertController addAction:stopSendingVideoAction];
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[alertController addAction:startSendingVideoAction];
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[alertController addAction:switchToRearAction];
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[alertController addAction:switchToFrontAction];
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[alertController addAction:dismissAction];
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[self presentViewController:alertController animated:YES completion:nil];
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}
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#pragma mark - Touch actions
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- (void)dismissViewButtonPressed
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{
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[self dismissViewControllerAnimated:YES completion:nil];
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}
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- (void)stopSendingVideo
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{
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[self.manager enableVideoSending:NO forCall:self.call error:nil];
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}
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- (void)startSendingVideo
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{
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[self.manager enableVideoSending:YES forCall:self.call error:nil];
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}
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- (void)switchToFront
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{
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[self.manager switchToCameraFront:YES error:nil];
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}
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- (void)switchToBack
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{
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[self.manager switchToCameraFront:NO error:nil];
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}
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@end
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