Reland of name AppRTCDemo on Android and iOS to AppRTCMobile

webrtc/examples/objc/AppRTCDemo/ios/ARDVideoCallViewController.m

-/*
- *  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 "webrtc/modules/audio_device/ios/objc/RTCAudioSession.h"
-
-#import "WebRTC/RTCAVFoundationVideoSource.h"
-#import "WebRTC/RTCDispatcher.h"
-#import "WebRTC/RTCLogging.h"
-
-#import "ARDAppClient.h"
-#import "ARDVideoCallView.h"
-
-@interface ARDVideoCallViewController () <ARDAppClientDelegate,
-    ARDVideoCallViewDelegate>
-@property(nonatomic, strong) RTCVideoTrack *localVideoTrack;
-@property(nonatomic, strong) RTCVideoTrack *remoteVideoTrack;
-@property(nonatomic, readonly) ARDVideoCallView *videoCallView;
-@end
-
-@implementation ARDVideoCallViewController {
-  ARDAppClient *_client;
-  RTCVideoTrack *_remoteVideoTrack;
-  RTCVideoTrack *_localVideoTrack;
-  AVAudioSessionPortOverride _portOverride;
-}
-
-@synthesize videoCallView = _videoCallView;
-@synthesize delegate = _delegate;
-
-- (instancetype)initForRoom:(NSString *)room
-                 isLoopback:(BOOL)isLoopback
-                isAudioOnly:(BOOL)isAudioOnly
-          shouldMakeAecDump:(BOOL)shouldMakeAecDump
-      shouldUseLevelControl:(BOOL)shouldUseLevelControl
-                   delegate:(id<ARDVideoCallViewControllerDelegate>)delegate {
-  if (self = [super init]) {
-    _delegate = delegate;
-    _client = [[ARDAppClient alloc] initWithDelegate:self];
-    [_client connectToRoomWithId:room
-                      isLoopback:isLoopback
-                     isAudioOnly:isAudioOnly
-               shouldMakeAecDump:shouldMakeAecDump
-           shouldUseLevelControl:shouldUseLevelControl];
-  }
-  return self;
-}
-
-- (void)loadView {
-  _videoCallView = [[ARDVideoCallView alloc] initWithFrame:CGRectZero];
-  _videoCallView.delegate = self;
-  _videoCallView.statusLabel.text =
-      [self statusTextForState:RTCIceConnectionStateNew];
-  self.view = _videoCallView;
-}
-
-#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
-    didReceiveLocalVideoTrack:(RTCVideoTrack *)localVideoTrack {
-  self.localVideoTrack = localVideoTrack;
-}
-
-- (void)appClient:(ARDAppClient *)client
-    didReceiveRemoteVideoTrack:(RTCVideoTrack *)remoteVideoTrack {
-  self.remoteVideoTrack = remoteVideoTrack;
-  _videoCallView.statusLabel.hidden = YES;
-}
-
-- (void)appClient:(ARDAppClient *)client
-      didGetStats:(NSArray *)stats {
-  _videoCallView.statsView.stats = stats;
-  [_videoCallView setNeedsLayout];
-}
-
-- (void)appClient:(ARDAppClient *)client
-         didError:(NSError *)error {
-  NSString *message =
-      [NSString stringWithFormat:@"%@", error.localizedDescription];
-  [self showAlertWithMessage:message];
-  [self hangup];
-}
-
-#pragma mark - ARDVideoCallViewDelegate
-
-- (void)videoCallViewDidHangup:(ARDVideoCallView *)view {
-  [self hangup];
-}
-
-- (void)videoCallViewDidSwitchCamera:(ARDVideoCallView *)view {
-  // TODO(tkchin): Rate limit this so you can't tap continously on it.
-  // Probably through an animation.
-  [self switchCamera];
-}
-
-- (void)videoCallViewDidChangeRoute:(ARDVideoCallView *)view {
-  AVAudioSessionPortOverride override = AVAudioSessionPortOverrideNone;
-  if (_portOverride == AVAudioSessionPortOverrideNone) {
-    override = AVAudioSessionPortOverrideSpeaker;
-  }
-  [RTCDispatcher dispatchAsyncOnType:RTCDispatcherTypeAudioSession
-                               block:^{
-    RTCAudioSession *session = [RTCAudioSession sharedInstance];
-    [session lockForConfiguration];
-    NSError *error = nil;
-    if ([session overrideOutputAudioPort:override error:&error]) {
-      _portOverride = override;
-    } else {
-      RTCLogError(@"Error overriding output port: %@",
-                  error.localizedDescription);
-    }
-    [session unlockForConfiguration];
-  }];
-}
-
-- (void)videoCallViewDidEnableStats:(ARDVideoCallView *)view {
-  _client.shouldGetStats = YES;
-  _videoCallView.statsView.hidden = NO;
-}
-
-#pragma mark - Private
-
-- (void)setLocalVideoTrack:(RTCVideoTrack *)localVideoTrack {
-  if (_localVideoTrack == localVideoTrack) {
-    return;
-  }
-  _localVideoTrack = nil;
-  _localVideoTrack = localVideoTrack;
-  RTCAVFoundationVideoSource *source = nil;
-  if ([localVideoTrack.source
-          isKindOfClass:[RTCAVFoundationVideoSource class]]) {
-    source = (RTCAVFoundationVideoSource*)localVideoTrack.source;
-  }
-  _videoCallView.localVideoView.captureSession = source.captureSession;
-}
-
-- (void)setRemoteVideoTrack:(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;
-  self.localVideoTrack = nil;
-  [_client disconnect];
-  [_delegate viewControllerDidFinish:self];
-}
-
-- (void)switchCamera {
-  RTCVideoSource* source = self.localVideoTrack.source;
-  if ([source isKindOfClass:[RTCAVFoundationVideoSource class]]) {
-    RTCAVFoundationVideoSource* avSource = (RTCAVFoundationVideoSource*)source;
-    avSource.useBackCamera = !avSource.useBackCamera;
-  }
-}
-
-- (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 {
-  UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil
-                                                      message:message
-                                                     delegate:nil
-                                            cancelButtonTitle:@"OK"
-                                            otherButtonTitles:nil];
-  [alertView show];
-}
-
-@end