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| 1 /* | |
| 2 * libjingle | |
| 3 * Copyright 2014 Google Inc. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright notice, | |
| 9 * this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 11 * this list of conditions and the following disclaimer in the documentation | |
| 12 * and/or other materials provided with the distribution. | |
| 13 * 3. The name of the author may not be used to endorse or promote products | |
| 14 * derived from this software without specific prior written permission. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
| 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
| 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
| 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
| 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 */ | |
| 27 | |
| 28 #import "APPRTCViewController.h" | |
| 29 | |
| 30 #import <AVFoundation/AVFoundation.h> | |
| 31 #import "ARDAppClient.h" | |
| 32 #import "RTCNSGLVideoView.h" | |
| 33 #import "RTCVideoTrack.h" | |
| 34 | |
| 35 static NSUInteger const kContentWidth = 1280; | |
| 36 static NSUInteger const kContentHeight = 720; | |
| 37 static NSUInteger const kRoomFieldWidth = 80; | |
| 38 static NSUInteger const kLogViewHeight = 280; | |
| 39 | |
| 40 @class APPRTCMainView; | |
| 41 @protocol APPRTCMainViewDelegate | |
| 42 | |
| 43 - (void)appRTCMainView:(APPRTCMainView*)mainView | |
| 44 didEnterRoomId:(NSString*)roomId; | |
| 45 | |
| 46 @end | |
| 47 | |
| 48 @interface APPRTCMainView : NSView | |
| 49 | |
| 50 @property(nonatomic, weak) id<APPRTCMainViewDelegate> delegate; | |
| 51 @property(nonatomic, readonly) RTCNSGLVideoView* localVideoView; | |
| 52 @property(nonatomic, readonly) RTCNSGLVideoView* remoteVideoView; | |
| 53 | |
| 54 - (void)displayLogMessage:(NSString*)message; | |
| 55 | |
| 56 @end | |
| 57 | |
| 58 @interface APPRTCMainView () <NSTextFieldDelegate, RTCNSGLVideoViewDelegate> | |
| 59 @end | |
| 60 @implementation APPRTCMainView { | |
| 61 NSScrollView* _scrollView; | |
| 62 NSTextField* _roomLabel; | |
| 63 NSTextField* _roomField; | |
| 64 NSTextView* _logView; | |
| 65 RTCNSGLVideoView* _localVideoView; | |
| 66 RTCNSGLVideoView* _remoteVideoView; | |
| 67 CGSize _localVideoSize; | |
| 68 CGSize _remoteVideoSize; | |
| 69 } | |
| 70 | |
| 71 + (BOOL)requiresConstraintBasedLayout { | |
| 72 return YES; | |
| 73 } | |
| 74 | |
| 75 - (instancetype)initWithFrame:(NSRect)frame { | |
| 76 if (self = [super initWithFrame:frame]) { | |
| 77 [self setupViews]; | |
| 78 } | |
| 79 return self; | |
| 80 } | |
| 81 | |
| 82 - (void)updateConstraints { | |
| 83 NSParameterAssert( | |
| 84 _roomField != nil && _scrollView != nil && _remoteVideoView != nil); | |
| 85 [self removeConstraints:[self constraints]]; | |
| 86 NSDictionary* viewsDictionary = | |
| 87 NSDictionaryOfVariableBindings(_roomLabel, | |
| 88 _roomField, | |
| 89 _scrollView, | |
| 90 _remoteVideoView); | |
| 91 | |
| 92 NSSize remoteViewSize = [self remoteVideoViewSize]; | |
| 93 NSDictionary* metrics = @{ | |
| 94 @"kLogViewHeight" : @(kLogViewHeight), | |
| 95 @"kRoomFieldWidth" : @(kRoomFieldWidth), | |
| 96 @"remoteViewWidth" : @(remoteViewSize.width), | |
| 97 @"remoteViewHeight" : @(remoteViewSize.height), | |
| 98 }; | |
| 99 // Declare this separately to avoid compiler warning about splitting string | |
| 100 // within an NSArray expression. | |
| 101 NSString* verticalConstraint = | |
| 102 @"V:|-[_roomLabel]-[_roomField]-[_scrollView(kLogViewHeight)]" | |
| 103 "-[_remoteVideoView(remoteViewHeight)]-|"; | |
| 104 NSArray* constraintFormats = @[ | |
| 105 verticalConstraint, | |
| 106 @"|-[_roomLabel]", | |
| 107 @"|-[_roomField(kRoomFieldWidth)]", | |
| 108 @"|-[_scrollView(remoteViewWidth)]-|", | |
| 109 @"|-[_remoteVideoView(remoteViewWidth)]-|", | |
| 110 ]; | |
| 111 for (NSString* constraintFormat in constraintFormats) { | |
| 112 NSArray* constraints = | |
| 113 [NSLayoutConstraint constraintsWithVisualFormat:constraintFormat | |
| 114 options:0 | |
| 115 metrics:metrics | |
| 116 views:viewsDictionary]; | |
| 117 for (NSLayoutConstraint* constraint in constraints) { | |
| 118 [self addConstraint:constraint]; | |
| 119 } | |
| 120 } | |
| 121 [super updateConstraints]; | |
| 122 } | |
| 123 | |
| 124 - (void)displayLogMessage:(NSString*)message { | |
| 125 _logView.string = | |
| 126 [NSString stringWithFormat:@"%@%@\n", _logView.string, message]; | |
| 127 NSRange range = NSMakeRange([_logView.string length], 0); | |
| 128 [_logView scrollRangeToVisible:range]; | |
| 129 } | |
| 130 | |
| 131 #pragma mark - NSControl delegate | |
| 132 | |
| 133 - (void)controlTextDidEndEditing:(NSNotification*)notification { | |
| 134 NSDictionary* userInfo = [notification userInfo]; | |
| 135 NSInteger textMovement = [userInfo[@"NSTextMovement"] intValue]; | |
| 136 if (textMovement == NSReturnTextMovement) { | |
| 137 [self.delegate appRTCMainView:self didEnterRoomId:_roomField.stringValue]; | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 #pragma mark - RTCNSGLVideoViewDelegate | |
| 142 | |
| 143 - (void)videoView:(RTCNSGLVideoView*)videoView | |
| 144 didChangeVideoSize:(NSSize)size { | |
| 145 if (videoView == _remoteVideoView) { | |
| 146 _remoteVideoSize = size; | |
| 147 } else if (videoView == _localVideoView) { | |
| 148 _localVideoSize = size; | |
| 149 } else { | |
| 150 return; | |
| 151 } | |
| 152 [self setNeedsUpdateConstraints:YES]; | |
| 153 } | |
| 154 | |
| 155 #pragma mark - Private | |
| 156 | |
| 157 - (void)setupViews { | |
| 158 NSParameterAssert([[self subviews] count] == 0); | |
| 159 | |
| 160 _roomLabel = [[NSTextField alloc] initWithFrame:NSZeroRect]; | |
| 161 [_roomLabel setTranslatesAutoresizingMaskIntoConstraints:NO]; | |
| 162 [_roomLabel setBezeled:NO]; | |
| 163 [_roomLabel setDrawsBackground:NO]; | |
| 164 [_roomLabel setEditable:NO]; | |
| 165 [_roomLabel setStringValue:@"Enter AppRTC room id:"]; | |
| 166 [self addSubview:_roomLabel]; | |
| 167 | |
| 168 _roomField = [[NSTextField alloc] initWithFrame:NSZeroRect]; | |
| 169 [_roomField setTranslatesAutoresizingMaskIntoConstraints:NO]; | |
| 170 [self addSubview:_roomField]; | |
| 171 [_roomField setEditable:YES]; | |
| 172 [_roomField setDelegate:self]; | |
| 173 | |
| 174 _logView = [[NSTextView alloc] initWithFrame:NSZeroRect]; | |
| 175 [_logView setMinSize:NSMakeSize(0, kLogViewHeight)]; | |
| 176 [_logView setMaxSize:NSMakeSize(FLT_MAX, FLT_MAX)]; | |
| 177 [_logView setVerticallyResizable:YES]; | |
| 178 [_logView setAutoresizingMask:NSViewWidthSizable]; | |
| 179 NSTextContainer* textContainer = [_logView textContainer]; | |
| 180 NSSize containerSize = NSMakeSize(kContentWidth, FLT_MAX); | |
| 181 [textContainer setContainerSize:containerSize]; | |
| 182 [textContainer setWidthTracksTextView:YES]; | |
| 183 [_logView setEditable:NO]; | |
| 184 | |
| 185 _scrollView = [[NSScrollView alloc] initWithFrame:NSZeroRect]; | |
| 186 [_scrollView setTranslatesAutoresizingMaskIntoConstraints:NO]; | |
| 187 [_scrollView setHasVerticalScroller:YES]; | |
| 188 [_scrollView setDocumentView:_logView]; | |
| 189 [self addSubview:_scrollView]; | |
| 190 | |
| 191 NSOpenGLPixelFormatAttribute attributes[] = { | |
| 192 NSOpenGLPFADoubleBuffer, | |
| 193 NSOpenGLPFADepthSize, 24, | |
| 194 NSOpenGLPFAOpenGLProfile, | |
| 195 NSOpenGLProfileVersion3_2Core, | |
| 196 0 | |
| 197 }; | |
| 198 NSOpenGLPixelFormat* pixelFormat = | |
| 199 [[NSOpenGLPixelFormat alloc] initWithAttributes:attributes]; | |
| 200 _remoteVideoView = [[RTCNSGLVideoView alloc] initWithFrame:NSZeroRect | |
| 201 pixelFormat:pixelFormat]; | |
| 202 [_remoteVideoView setTranslatesAutoresizingMaskIntoConstraints:NO]; | |
| 203 _remoteVideoView.delegate = self; | |
| 204 [self addSubview:_remoteVideoView]; | |
| 205 | |
| 206 // TODO(tkchin): create local video view. | |
| 207 // https://code.google.com/p/webrtc/issues/detail?id=3417. | |
| 208 } | |
| 209 | |
| 210 - (NSSize)remoteVideoViewSize { | |
| 211 if (_remoteVideoSize.width > 0 && _remoteVideoSize.height > 0) { | |
| 212 return _remoteVideoSize; | |
| 213 } else { | |
| 214 return NSMakeSize(kContentWidth, kContentHeight); | |
| 215 } | |
| 216 } | |
| 217 | |
| 218 - (NSSize)localVideoViewSize { | |
| 219 return NSZeroSize; | |
| 220 } | |
| 221 | |
| 222 @end | |
| 223 | |
| 224 @interface APPRTCViewController () | |
| 225 <ARDAppClientDelegate, APPRTCMainViewDelegate> | |
| 226 @property(nonatomic, readonly) APPRTCMainView* mainView; | |
| 227 @end | |
| 228 | |
| 229 @implementation APPRTCViewController { | |
| 230 ARDAppClient* _client; | |
| 231 RTCVideoTrack* _localVideoTrack; | |
| 232 RTCVideoTrack* _remoteVideoTrack; | |
| 233 } | |
| 234 | |
| 235 - (void)dealloc { | |
| 236 [self disconnect]; | |
| 237 } | |
| 238 | |
| 239 - (void)loadView { | |
| 240 APPRTCMainView* view = [[APPRTCMainView alloc] initWithFrame:NSZeroRect]; | |
| 241 [view setTranslatesAutoresizingMaskIntoConstraints:NO]; | |
| 242 view.delegate = self; | |
| 243 self.view = view; | |
| 244 } | |
| 245 | |
| 246 - (void)windowWillClose:(NSNotification*)notification { | |
| 247 [self disconnect]; | |
| 248 } | |
| 249 | |
| 250 #pragma mark - ARDAppClientDelegate | |
| 251 | |
| 252 - (void)appClient:(ARDAppClient *)client | |
| 253 didChangeState:(ARDAppClientState)state { | |
| 254 switch (state) { | |
| 255 case kARDAppClientStateConnected: | |
| 256 NSLog(@"Client connected."); | |
| 257 break; | |
| 258 case kARDAppClientStateConnecting: | |
| 259 NSLog(@"Client connecting."); | |
| 260 break; | |
| 261 case kARDAppClientStateDisconnected: | |
| 262 NSLog(@"Client disconnected."); | |
| 263 [self resetUI]; | |
| 264 _client = nil; | |
| 265 break; | |
| 266 } | |
| 267 } | |
| 268 | |
| 269 - (void)appClient:(ARDAppClient *)client | |
| 270 didChangeConnectionState:(RTCICEConnectionState)state { | |
| 271 } | |
| 272 | |
| 273 - (void)appClient:(ARDAppClient *)client | |
| 274 didReceiveLocalVideoTrack:(RTCVideoTrack *)localVideoTrack { | |
| 275 _localVideoTrack = localVideoTrack; | |
| 276 } | |
| 277 | |
| 278 - (void)appClient:(ARDAppClient *)client | |
| 279 didReceiveRemoteVideoTrack:(RTCVideoTrack *)remoteVideoTrack { | |
| 280 _remoteVideoTrack = remoteVideoTrack; | |
| 281 [_remoteVideoTrack addRenderer:self.mainView.remoteVideoView]; | |
| 282 } | |
| 283 | |
| 284 - (void)appClient:(ARDAppClient *)client | |
| 285 didError:(NSError *)error { | |
| 286 [self showAlertWithMessage:[NSString stringWithFormat:@"%@", error]]; | |
| 287 [self disconnect]; | |
| 288 } | |
| 289 | |
| 290 #pragma mark - APPRTCMainViewDelegate | |
| 291 | |
| 292 - (void)appRTCMainView:(APPRTCMainView*)mainView | |
| 293 didEnterRoomId:(NSString*)roomId { | |
| 294 [_client disconnect]; | |
| 295 ARDAppClient *client = [[ARDAppClient alloc] initWithDelegate:self]; | |
| 296 [client connectToRoomWithId:roomId options:nil]; | |
| 297 _client = client; | |
| 298 } | |
| 299 | |
| 300 #pragma mark - Private | |
| 301 | |
| 302 - (APPRTCMainView*)mainView { | |
| 303 return (APPRTCMainView*)self.view; | |
| 304 } | |
| 305 | |
| 306 - (void)showAlertWithMessage:(NSString*)message { | |
| 307 NSAlert* alert = [[NSAlert alloc] init]; | |
| 308 [alert setMessageText:message]; | |
| 309 [alert runModal]; | |
| 310 } | |
| 311 | |
| 312 - (void)resetUI { | |
| 313 [_remoteVideoTrack removeRenderer:self.mainView.remoteVideoView]; | |
| 314 _remoteVideoTrack = nil; | |
| 315 [self.mainView.remoteVideoView renderFrame:nil]; | |
| 316 } | |
| 317 | |
| 318 - (void)disconnect { | |
| 319 [self resetUI]; | |
| 320 [_client disconnect]; | |
| 321 } | |
| 322 | |
| 323 @end | |
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Chromium Code Reviews
Issue 1235563006:
Move talk/examples/* to webrtc/examples. (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@master