| /* |
| * libjingle |
| * Copyright 2013, Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #if !defined(__has_feature) || !__has_feature(objc_arc) |
| #error "This file requires ARC support." |
| #endif |
| |
| #import "APPRTCViewController.h" |
| |
| #import <AVFoundation/AVFoundation.h> |
| #import "APPRTCConnectionManager.h" |
| #import "RTCEAGLVideoView.h" |
| |
| // Padding space for local video view with its parent. |
| static CGFloat const kLocalViewPadding = 20; |
| |
| @interface APPRTCViewController () |
| <APPRTCConnectionManagerDelegate, APPRTCLogger, RTCEAGLVideoViewDelegate> |
| @property(nonatomic, assign) UIInterfaceOrientation statusBarOrientation; |
| @property(nonatomic, strong) RTCEAGLVideoView* localVideoView; |
| @property(nonatomic, strong) RTCEAGLVideoView* remoteVideoView; |
| @end |
| |
| @implementation APPRTCViewController { |
| APPRTCConnectionManager* _connectionManager; |
| CGSize _localVideoSize; |
| CGSize _remoteVideoSize; |
| } |
| |
| - (instancetype)initWithNibName:(NSString*)nibName |
| bundle:(NSBundle*)bundle { |
| if (self = [super initWithNibName:nibName bundle:bundle]) { |
| _connectionManager = |
| [[APPRTCConnectionManager alloc] initWithDelegate:self |
| logger:self]; |
| } |
| return self; |
| } |
| |
| - (void)viewDidLoad { |
| [super viewDidLoad]; |
| |
| self.remoteVideoView = |
| [[RTCEAGLVideoView alloc] initWithFrame:self.blackView.bounds]; |
| self.remoteVideoView.delegate = self; |
| self.remoteVideoView.transform = CGAffineTransformMakeScale(-1, 1); |
| [self.blackView addSubview:self.remoteVideoView]; |
| |
| self.localVideoView = |
| [[RTCEAGLVideoView alloc] initWithFrame:self.blackView.bounds]; |
| self.localVideoView.delegate = self; |
| [self.blackView addSubview:self.localVideoView]; |
| |
| self.statusBarOrientation = |
| [UIApplication sharedApplication].statusBarOrientation; |
| self.roomInput.delegate = self; |
| [self.roomInput becomeFirstResponder]; |
| } |
| |
| - (void)viewDidLayoutSubviews { |
| if (self.statusBarOrientation != |
| [UIApplication sharedApplication].statusBarOrientation) { |
| self.statusBarOrientation = |
| [UIApplication sharedApplication].statusBarOrientation; |
| [[NSNotificationCenter defaultCenter] |
| postNotificationName:@"StatusBarOrientationDidChange" |
| object:nil]; |
| } |
| } |
| |
| - (void)applicationWillResignActive:(UIApplication*)application { |
| [self logMessage:@"Application lost focus, connection broken."]; |
| [self disconnect]; |
| } |
| |
| #pragma mark - APPRTCConnectionManagerDelegate |
| |
| - (void)connectionManager:(APPRTCConnectionManager*)manager |
| didReceiveLocalVideoTrack:(RTCVideoTrack*)localVideoTrack { |
| self.localVideoView.hidden = NO; |
| self.localVideoView.videoTrack = localVideoTrack; |
| } |
| |
| - (void)connectionManager:(APPRTCConnectionManager*)manager |
| didReceiveRemoteVideoTrack:(RTCVideoTrack*)remoteVideoTrack { |
| self.remoteVideoView.videoTrack = remoteVideoTrack; |
| } |
| |
| - (void)connectionManagerDidReceiveHangup:(APPRTCConnectionManager*)manager { |
| [self showAlertWithMessage:@"Remote hung up."]; |
| [self disconnect]; |
| } |
| |
| - (void)connectionManager:(APPRTCConnectionManager*)manager |
| didErrorWithMessage:(NSString*)message { |
| [self showAlertWithMessage:message]; |
| [self disconnect]; |
| } |
| |
| #pragma mark - APPRTCLogger |
| |
| - (void)logMessage:(NSString*)message { |
| dispatch_async(dispatch_get_main_queue(), ^{ |
| NSString* output = |
| [NSString stringWithFormat:@"%@\n%@", self.logView.text, message]; |
| self.logView.text = output; |
| [self.logView |
| scrollRangeToVisible:NSMakeRange([self.logView.text length], 0)]; |
| }); |
| } |
| |
| #pragma mark - RTCEAGLVideoViewDelegate |
| |
| - (void)videoView:(RTCEAGLVideoView*)videoView |
| didChangeVideoSize:(CGSize)size { |
| if (videoView == self.localVideoView) { |
| _localVideoSize = size; |
| } else if (videoView == self.remoteVideoView) { |
| _remoteVideoSize = size; |
| } else { |
| NSParameterAssert(NO); |
| } |
| [self updateVideoViewLayout]; |
| } |
| |
| #pragma mark - UITextFieldDelegate |
| |
| - (void)textFieldDidEndEditing:(UITextField*)textField { |
| NSString* room = textField.text; |
| if ([room length] == 0) { |
| return; |
| } |
| textField.hidden = YES; |
| self.instructionsView.hidden = YES; |
| self.logView.hidden = NO; |
| NSString* url = |
| [NSString stringWithFormat:@"https://apprtc.appspot.com/?r=%@", room]; |
| [_connectionManager connectToRoomWithURL:[NSURL URLWithString:url]]; |
| [self setupCaptureSession]; |
| } |
| |
| - (BOOL)textFieldShouldReturn:(UITextField*)textField { |
| // There is no other control that can take focus, so manually resign focus |
| // when return (Join) is pressed to trigger |textFieldDidEndEditing|. |
| [textField resignFirstResponder]; |
| return YES; |
| } |
| |
| #pragma mark - Private |
| |
| - (void)disconnect { |
| [self resetUI]; |
| [_connectionManager disconnect]; |
| } |
| |
| - (void)showAlertWithMessage:(NSString*)message { |
| UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil |
| message:message |
| delegate:nil |
| cancelButtonTitle:@"OK" |
| otherButtonTitles:nil]; |
| [alertView show]; |
| } |
| |
| - (void)resetUI { |
| [self.roomInput resignFirstResponder]; |
| self.roomInput.text = nil; |
| self.roomInput.hidden = NO; |
| self.instructionsView.hidden = NO; |
| self.logView.hidden = YES; |
| self.logView.text = nil; |
| self.localVideoView.videoTrack = nil; |
| self.remoteVideoView.videoTrack = nil; |
| self.blackView.hidden = YES; |
| } |
| |
| - (void)setupCaptureSession { |
| self.blackView.hidden = NO; |
| [self updateVideoViewLayout]; |
| } |
| |
| - (void)updateVideoViewLayout { |
| // TODO(tkchin): handle rotation. |
| CGSize defaultAspectRatio = CGSizeMake(4, 3); |
| CGSize localAspectRatio = CGSizeEqualToSize(_localVideoSize, CGSizeZero) ? |
| defaultAspectRatio : _localVideoSize; |
| CGSize remoteAspectRatio = CGSizeEqualToSize(_remoteVideoSize, CGSizeZero) ? |
| defaultAspectRatio : _remoteVideoSize; |
| |
| CGRect remoteVideoFrame = |
| AVMakeRectWithAspectRatioInsideRect(remoteAspectRatio, |
| self.blackView.bounds); |
| self.remoteVideoView.frame = remoteVideoFrame; |
| |
| CGRect localVideoFrame = |
| AVMakeRectWithAspectRatioInsideRect(localAspectRatio, |
| self.blackView.bounds); |
| localVideoFrame.size.width = localVideoFrame.size.width / 3; |
| localVideoFrame.size.height = localVideoFrame.size.height / 3; |
| localVideoFrame.origin.x = CGRectGetMaxX(self.blackView.bounds) |
| - localVideoFrame.size.width - kLocalViewPadding; |
| localVideoFrame.origin.y = CGRectGetMaxY(self.blackView.bounds) |
| - localVideoFrame.size.height - kLocalViewPadding; |
| self.localVideoView.frame = localVideoFrame; |
| } |
| |
| @end |