Implement mac version of AppRTCDemo.
- Refactored and moved AppRTCDemo to support sharing AppRTC connection code between iOS and mac counterparts.
- Refactored OpenGL rendering code to be shared between iOS and mac counterparts.
- iOS AppRTCDemo now respects video aspect ratio.
BUG=2168
R=fischman@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/17589004
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6291 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/examples/objc/AppRTCDemo/ios/APPRTCViewController.m b/talk/examples/objc/AppRTCDemo/ios/APPRTCViewController.m
new file mode 100644
index 0000000..a4a0bd3
--- /dev/null
+++ b/talk/examples/objc/AppRTCDemo/ios/APPRTCViewController.m
@@ -0,0 +1,231 @@
+/*
+ * 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.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.blackView.hidden = YES;
+ [self.remoteVideoView removeFromSuperview];
+ self.remoteVideoView = nil;
+ [self.localVideoView removeFromSuperview];
+ self.localVideoView = nil;
+}
+
+- (void)setupCaptureSession {
+ self.blackView.hidden = NO;
+ 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 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