1 files changed, 250 insertions, 0 deletions
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallViewController.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallViewController.m
new file mode 100644
index 0000000000..a82d90b290
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallViewController.m
@@ -0,0 +1,250 @@
+/*
+ *  Copyright 2015 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#import "ARDVideoCallViewController.h"
+
+#import "sdk/objc/api/peerconnection/RTCMediaConstraints.h"
+#import "sdk/objc/base/RTCLogging.h"
+#import "sdk/objc/components/audio/RTCAudioSession.h"
+#import "sdk/objc/components/capturer/RTCCameraVideoCapturer.h"
+#import "sdk/objc/helpers/RTCDispatcher.h"
+
+#import "ARDAppClient.h"
+#import "ARDCaptureController.h"
+#import "ARDFileCaptureController.h"
+#import "ARDSettingsModel.h"
+#import "ARDVideoCallView.h"
+
+@interface ARDVideoCallViewController () <ARDAppClientDelegate,
+                                          ARDVideoCallViewDelegate,
+                                          RTC_OBJC_TYPE (RTCAudioSessionDelegate)>
+@property(nonatomic, strong) RTC_OBJC_TYPE(RTCVideoTrack) * remoteVideoTrack;
+@property(nonatomic, readonly) ARDVideoCallView *videoCallView;
+@property(nonatomic, assign) AVAudioSessionPortOverride portOverride;
+@end
+
+@implementation ARDVideoCallViewController {
+  ARDAppClient *_client;
+  RTC_OBJC_TYPE(RTCVideoTrack) * _remoteVideoTrack;
+  ARDCaptureController *_captureController;
+  ARDFileCaptureController *_fileCaptureController NS_AVAILABLE_IOS(10);
+}
+
+@synthesize videoCallView = _videoCallView;
+@synthesize remoteVideoTrack = _remoteVideoTrack;
+@synthesize delegate = _delegate;
+@synthesize portOverride = _portOverride;
+
+- (instancetype)initForRoom:(NSString *)room
+                 isLoopback:(BOOL)isLoopback
+                   delegate:(id<ARDVideoCallViewControllerDelegate>)delegate {
+  if (self = [super init]) {
+    ARDSettingsModel *settingsModel = [[ARDSettingsModel alloc] init];
+    _delegate = delegate;
+
+    _client = [[ARDAppClient alloc] initWithDelegate:self];
+    [_client connectToRoomWithId:room settings:settingsModel isLoopback:isLoopback];
+  }
+  return self;
+}
+
+- (void)loadView {
+  _videoCallView = [[ARDVideoCallView alloc] initWithFrame:CGRectZero];
+  _videoCallView.delegate = self;
+  _videoCallView.statusLabel.text =
+      [self statusTextForState:RTCIceConnectionStateNew];
+  self.view = _videoCallView;
+
+  RTC_OBJC_TYPE(RTCAudioSession) *session = [RTC_OBJC_TYPE(RTCAudioSession) sharedInstance];
+  [session addDelegate:self];
+}
+
+- (UIInterfaceOrientationMask)supportedInterfaceOrientations {
+  return UIInterfaceOrientationMaskAll;
+}
+
+#pragma mark - ARDAppClientDelegate
+
+- (void)appClient:(ARDAppClient *)client
+    didChangeState:(ARDAppClientState)state {
+  switch (state) {
+    case kARDAppClientStateConnected:
+      RTCLog(@"Client connected.");
+      break;
+    case kARDAppClientStateConnecting:
+      RTCLog(@"Client connecting.");
+      break;
+    case kARDAppClientStateDisconnected:
+      RTCLog(@"Client disconnected.");
+      [self hangup];
+      break;
+  }
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didChangeConnectionState:(RTCIceConnectionState)state {
+  RTCLog(@"ICE state changed: %ld", (long)state);
+  __weak ARDVideoCallViewController *weakSelf = self;
+  dispatch_async(dispatch_get_main_queue(), ^{
+    ARDVideoCallViewController *strongSelf = weakSelf;
+    strongSelf.videoCallView.statusLabel.text =
+        [strongSelf statusTextForState:state];
+  });
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didCreateLocalCapturer:(RTC_OBJC_TYPE(RTCCameraVideoCapturer) *)localCapturer {
+  _videoCallView.localVideoView.captureSession = localCapturer.captureSession;
+  ARDSettingsModel *settingsModel = [[ARDSettingsModel alloc] init];
+  _captureController =
+      [[ARDCaptureController alloc] initWithCapturer:localCapturer settings:settingsModel];
+  [_captureController startCapture];
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didCreateLocalFileCapturer:(RTC_OBJC_TYPE(RTCFileVideoCapturer) *)fileCapturer {
+#if defined(__IPHONE_11_0) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_11_0)
+  if (@available(iOS 10, *)) {
+    _fileCaptureController = [[ARDFileCaptureController alloc] initWithCapturer:fileCapturer];
+    [_fileCaptureController startCapture];
+  }
+#endif
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didReceiveLocalVideoTrack:(RTC_OBJC_TYPE(RTCVideoTrack) *)localVideoTrack {
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didReceiveRemoteVideoTrack:(RTC_OBJC_TYPE(RTCVideoTrack) *)remoteVideoTrack {
+  self.remoteVideoTrack = remoteVideoTrack;
+  __weak ARDVideoCallViewController *weakSelf = self;
+  dispatch_async(dispatch_get_main_queue(), ^{
+    ARDVideoCallViewController *strongSelf = weakSelf;
+    strongSelf.videoCallView.statusLabel.hidden = YES;
+  });
+}
+
+- (void)appClient:(ARDAppClient *)client didGetStats:(RTC_OBJC_TYPE(RTCStatisticsReport) *)stats {
+  _videoCallView.statsView.stats = stats;
+  [_videoCallView setNeedsLayout];
+}
+
+- (void)appClient:(ARDAppClient *)client
+         didError:(NSError *)error {
+  NSString *message =
+      [NSString stringWithFormat:@"%@", error.localizedDescription];
+  [self hangup];
+  [self showAlertWithMessage:message];
+}
+
+#pragma mark - ARDVideoCallViewDelegate
+
+- (void)videoCallViewDidHangup:(ARDVideoCallView *)view {
+  [self hangup];
+}
+
+- (void)videoCallView:(ARDVideoCallView *)view
+    shouldSwitchCameraWithCompletion:(void (^)(NSError *))completion {
+  [_captureController switchCamera:completion];
+}
+
+- (void)videoCallView:(ARDVideoCallView *)view
+    shouldChangeRouteWithCompletion:(void (^)(void))completion {
+  NSParameterAssert(completion);
+  AVAudioSessionPortOverride override = AVAudioSessionPortOverrideNone;
+  if (_portOverride == AVAudioSessionPortOverrideNone) {
+    override = AVAudioSessionPortOverrideSpeaker;
+  }
+  [RTC_OBJC_TYPE(RTCDispatcher) dispatchAsyncOnType:RTCDispatcherTypeAudioSession
+                                              block:^{
+                                                RTC_OBJC_TYPE(RTCAudioSession) *session =
+                                                    [RTC_OBJC_TYPE(RTCAudioSession) sharedInstance];
+                                                [session lockForConfiguration];
+                                                NSError *error = nil;
+                                                if ([session overrideOutputAudioPort:override
+                                                                               error:&error]) {
+                                                  self.portOverride = override;
+                                                } else {
+                                                  RTCLogError(@"Error overriding output port: %@",
+                                                              error.localizedDescription);
+                                                }
+                                                [session unlockForConfiguration];
+                                                completion();
+                                              }];
+}
+
+- (void)videoCallViewDidEnableStats:(ARDVideoCallView *)view {
+  _client.shouldGetStats = YES;
+  _videoCallView.statsView.hidden = NO;
+}
+
+#pragma mark - RTC_OBJC_TYPE(RTCAudioSessionDelegate)
+
+- (void)audioSession:(RTC_OBJC_TYPE(RTCAudioSession) *)audioSession
+    didDetectPlayoutGlitch:(int64_t)totalNumberOfGlitches {
+  RTCLog(@"Audio session detected glitch, total: %lld", totalNumberOfGlitches);
+}
+
+#pragma mark - Private
+
+- (void)setRemoteVideoTrack:(RTC_OBJC_TYPE(RTCVideoTrack) *)remoteVideoTrack {
+  if (_remoteVideoTrack == remoteVideoTrack) {
+    return;
+  }
+  [_remoteVideoTrack removeRenderer:_videoCallView.remoteVideoView];
+  _remoteVideoTrack = nil;
+  [_videoCallView.remoteVideoView renderFrame:nil];
+  _remoteVideoTrack = remoteVideoTrack;
+  [_remoteVideoTrack addRenderer:_videoCallView.remoteVideoView];
+}
+
+- (void)hangup {
+  self.remoteVideoTrack = nil;
+  _videoCallView.localVideoView.captureSession = nil;
+  [_captureController stopCapture];
+  _captureController = nil;
+  [_fileCaptureController stopCapture];
+  _fileCaptureController = nil;
+  [_client disconnect];
+  [_delegate viewControllerDidFinish:self];
+}
+
+- (NSString *)statusTextForState:(RTCIceConnectionState)state {
+  switch (state) {
+    case RTCIceConnectionStateNew:
+    case RTCIceConnectionStateChecking:
+      return @"Connecting...";
+    case RTCIceConnectionStateConnected:
+    case RTCIceConnectionStateCompleted:
+    case RTCIceConnectionStateFailed:
+    case RTCIceConnectionStateDisconnected:
+    case RTCIceConnectionStateClosed:
+    case RTCIceConnectionStateCount:
+      return nil;
+  }
+}
+
+- (void)showAlertWithMessage:(NSString*)message {
+  UIAlertController *alert =
+      [UIAlertController alertControllerWithTitle:nil
+                                          message:message
+                                   preferredStyle:UIAlertControllerStyleAlert];
+
+  UIAlertAction *defaultAction = [UIAlertAction actionWithTitle:@"OK"
+                                                          style:UIAlertActionStyleDefault
+                                                        handler:^(UIAlertAction *action){
+                                                        }];
+
+  [alert addAction:defaultAction];
+  [self presentViewController:alert animated:YES completion:nil];
+}
+
+@end