| /* |
| * 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 "ARDVideoCallView.h" |
| |
| #import <AVFoundation/AVFoundation.h> |
| #import "UIImage+ARDUtilities.h" |
| |
| static CGFloat const kButtonPadding = 16; |
| static CGFloat const kButtonSize = 48; |
| static CGFloat const kLocalVideoViewSize = 120; |
| static CGFloat const kLocalVideoViewPadding = 8; |
| static CGFloat const kStatusBarHeight = 20; |
| |
| @interface ARDVideoCallView () <RTCEAGLVideoViewDelegate> |
| @end |
| |
| @implementation ARDVideoCallView { |
| UIButton *_routeChangeButton; |
| UIButton *_cameraSwitchButton; |
| UIButton *_hangupButton; |
| CGSize _remoteVideoSize; |
| BOOL _useRearCamera; |
| } |
| |
| @synthesize statusLabel = _statusLabel; |
| @synthesize localVideoView = _localVideoView; |
| @synthesize remoteVideoView = _remoteVideoView; |
| @synthesize statsView = _statsView; |
| @synthesize delegate = _delegate; |
| |
| - (instancetype)initWithFrame:(CGRect)frame { |
| if (self = [super initWithFrame:frame]) { |
| _remoteVideoView = [[RTCEAGLVideoView alloc] initWithFrame:CGRectZero]; |
| _remoteVideoView.delegate = self; |
| [self addSubview:_remoteVideoView]; |
| |
| _localVideoView = [[RTCCameraPreviewView alloc] initWithFrame:CGRectZero]; |
| [self addSubview:_localVideoView]; |
| |
| _statsView = [[ARDStatsView alloc] initWithFrame:CGRectZero]; |
| _statsView.hidden = YES; |
| [self addSubview:_statsView]; |
| |
| _routeChangeButton = [UIButton buttonWithType:UIButtonTypeCustom]; |
| _routeChangeButton.backgroundColor = [UIColor whiteColor]; |
| _routeChangeButton.layer.cornerRadius = kButtonSize / 2; |
| _routeChangeButton.layer.masksToBounds = YES; |
| UIImage *image = [UIImage imageNamed:@"ic_surround_sound_black_24dp.png"]; |
| [_routeChangeButton setImage:image forState:UIControlStateNormal]; |
| [_routeChangeButton addTarget:self |
| action:@selector(onRouteChange:) |
| forControlEvents:UIControlEventTouchUpInside]; |
| [self addSubview:_routeChangeButton]; |
| |
| // TODO(tkchin): don't display this if we can't actually do camera switch. |
| _cameraSwitchButton = [UIButton buttonWithType:UIButtonTypeCustom]; |
| _cameraSwitchButton.backgroundColor = [UIColor whiteColor]; |
| _cameraSwitchButton.layer.cornerRadius = kButtonSize / 2; |
| _cameraSwitchButton.layer.masksToBounds = YES; |
| image = [UIImage imageNamed:@"ic_switch_video_black_24dp.png"]; |
| [_cameraSwitchButton setImage:image forState:UIControlStateNormal]; |
| [_cameraSwitchButton addTarget:self |
| action:@selector(onCameraSwitch:) |
| forControlEvents:UIControlEventTouchUpInside]; |
| [self addSubview:_cameraSwitchButton]; |
| |
| _hangupButton = [UIButton buttonWithType:UIButtonTypeCustom]; |
| _hangupButton.backgroundColor = [UIColor redColor]; |
| _hangupButton.layer.cornerRadius = kButtonSize / 2; |
| _hangupButton.layer.masksToBounds = YES; |
| image = [UIImage imageForName:@"ic_call_end_black_24dp.png" |
| color:[UIColor whiteColor]]; |
| [_hangupButton setImage:image forState:UIControlStateNormal]; |
| [_hangupButton addTarget:self |
| action:@selector(onHangup:) |
| forControlEvents:UIControlEventTouchUpInside]; |
| [self addSubview:_hangupButton]; |
| |
| _statusLabel = [[UILabel alloc] initWithFrame:CGRectZero]; |
| _statusLabel.font = [UIFont fontWithName:@"Roboto" size:16]; |
| _statusLabel.textColor = [UIColor whiteColor]; |
| [self addSubview:_statusLabel]; |
| |
| UITapGestureRecognizer *tapRecognizer = |
| [[UITapGestureRecognizer alloc] |
| initWithTarget:self |
| action:@selector(didTripleTap:)]; |
| tapRecognizer.numberOfTapsRequired = 3; |
| [self addGestureRecognizer:tapRecognizer]; |
| } |
| return self; |
| } |
| |
| - (void)layoutSubviews { |
| CGRect bounds = self.bounds; |
| if (_remoteVideoSize.width > 0 && _remoteVideoSize.height > 0) { |
| // Aspect fill remote video into bounds. |
| CGRect remoteVideoFrame = |
| AVMakeRectWithAspectRatioInsideRect(_remoteVideoSize, bounds); |
| CGFloat scale = 1; |
| if (remoteVideoFrame.size.width > remoteVideoFrame.size.height) { |
| // Scale by height. |
| scale = bounds.size.height / remoteVideoFrame.size.height; |
| } else { |
| // Scale by width. |
| scale = bounds.size.width / remoteVideoFrame.size.width; |
| } |
| remoteVideoFrame.size.height *= scale; |
| remoteVideoFrame.size.width *= scale; |
| _remoteVideoView.frame = remoteVideoFrame; |
| _remoteVideoView.center = |
| CGPointMake(CGRectGetMidX(bounds), CGRectGetMidY(bounds)); |
| } else { |
| _remoteVideoView.frame = bounds; |
| } |
| |
| // Aspect fit local video view into a square box. |
| CGRect localVideoFrame = |
| CGRectMake(0, 0, kLocalVideoViewSize, kLocalVideoViewSize); |
| // Place the view in the bottom right. |
| localVideoFrame.origin.x = CGRectGetMaxX(bounds) |
| - localVideoFrame.size.width - kLocalVideoViewPadding; |
| localVideoFrame.origin.y = CGRectGetMaxY(bounds) |
| - localVideoFrame.size.height - kLocalVideoViewPadding; |
| _localVideoView.frame = localVideoFrame; |
| |
| // Place stats at the top. |
| CGSize statsSize = [_statsView sizeThatFits:bounds.size]; |
| _statsView.frame = CGRectMake(CGRectGetMinX(bounds), |
| CGRectGetMinY(bounds) + kStatusBarHeight, |
| statsSize.width, statsSize.height); |
| |
| // Place hangup button in the bottom left. |
| _hangupButton.frame = |
| CGRectMake(CGRectGetMinX(bounds) + kButtonPadding, |
| CGRectGetMaxY(bounds) - kButtonPadding - |
| kButtonSize, |
| kButtonSize, |
| kButtonSize); |
| |
| // Place button to the right of hangup button. |
| CGRect cameraSwitchFrame = _hangupButton.frame; |
| cameraSwitchFrame.origin.x = |
| CGRectGetMaxX(cameraSwitchFrame) + kButtonPadding; |
| _cameraSwitchButton.frame = cameraSwitchFrame; |
| |
| // Place route button to the right of camera button. |
| CGRect routeChangeFrame = _cameraSwitchButton.frame; |
| routeChangeFrame.origin.x = |
| CGRectGetMaxX(routeChangeFrame) + kButtonPadding; |
| _routeChangeButton.frame = routeChangeFrame; |
| |
| [_statusLabel sizeToFit]; |
| _statusLabel.center = |
| CGPointMake(CGRectGetMidX(bounds), CGRectGetMidY(bounds)); |
| } |
| |
| #pragma mark - RTCEAGLVideoViewDelegate |
| |
| - (void)videoView:(RTCEAGLVideoView*)videoView didChangeVideoSize:(CGSize)size { |
| if (videoView == _remoteVideoView) { |
| _remoteVideoSize = size; |
| } |
| [self setNeedsLayout]; |
| } |
| |
| #pragma mark - Private |
| |
| - (void)onCameraSwitch:(id)sender { |
| [_delegate videoCallViewDidSwitchCamera:self]; |
| } |
| |
| - (void)onRouteChange:(id)sender { |
| [_delegate videoCallViewDidChangeRoute:self]; |
| } |
| |
| - (void)onHangup:(id)sender { |
| [_delegate videoCallViewDidHangup:self]; |
| } |
| |
| - (void)didTripleTap:(UITapGestureRecognizer *)recognizer { |
| [_delegate videoCallViewDidEnableStats:self]; |
| } |
| |
| @end |