Delete talk directory, and references from build_ios_libs.sh.

talk/app/webrtc/objc/RTCMediaStreamTrack.mm

-/*
- * 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 "RTCEnumConverter.h"
-#import "RTCMediaStreamTrack+Internal.h"
-
-#include <memory>
-
-namespace webrtc {
-
-class RTCMediaStreamTrackObserver : public ObserverInterface {
- public:
-  RTCMediaStreamTrackObserver(RTCMediaStreamTrack* track) { _track = track; }
-
-  void OnChanged() override {
-    [_track.delegate mediaStreamTrackDidChange:_track];
-  }
-
- private:
-  __weak RTCMediaStreamTrack* _track;
-};
-}
-
-@implementation RTCMediaStreamTrack {
-  rtc::scoped_refptr<webrtc::MediaStreamTrackInterface> _mediaTrack;
-  std::unique_ptr<webrtc::RTCMediaStreamTrackObserver> _observer;
-}
-
-@synthesize label;
-
-- (BOOL)isEqual:(id)other {
-  // Equality is purely based on the label just like the C++ implementation.
-  if (self == other)
-    return YES;
-  if (![other isKindOfClass:[self class]] ||
-      ![self isKindOfClass:[other class]]) {
-    return NO;
-  }
-  RTCMediaStreamTrack* otherMediaStream = (RTCMediaStreamTrack*)other;
-  return [self.label isEqual:otherMediaStream.label];
-}
-
-- (NSUInteger)hash {
-  return [self.label hash];
-}
-
-- (NSString*)kind {
-  return @(self.mediaTrack->kind().c_str());
-}
-
-- (NSString*)label {
-  return @(self.mediaTrack->id().c_str());
-}
-
-- (BOOL)isEnabled {
-  return self.mediaTrack->enabled();
-}
-
-- (BOOL)setEnabled:(BOOL)enabled {
-  return self.mediaTrack->set_enabled(enabled);
-}
-
-- (RTCTrackState)state {
-  return [RTCEnumConverter convertTrackStateToObjC:self.mediaTrack->state()];
-}
-
-@end
-
-@implementation RTCMediaStreamTrack (Internal)
-
-- (id)initWithMediaTrack:
-          (rtc::scoped_refptr<webrtc::MediaStreamTrackInterface>)
-      mediaTrack {
-  if (!mediaTrack) {
-    NSAssert(NO, @"nil arguments not allowed");
-    self = nil;
-    return nil;
-  }
-  if (self = [super init]) {
-    _mediaTrack = mediaTrack;
-    label = @(mediaTrack->id().c_str());
-    _observer.reset(new webrtc::RTCMediaStreamTrackObserver(self));
-    _mediaTrack->RegisterObserver(_observer.get());
-  }
-  return self;
-}
-
-- (void)dealloc {
-  _mediaTrack->UnregisterObserver(_observer.get());
-}
-
-- (rtc::scoped_refptr<webrtc::MediaStreamTrackInterface>)mediaTrack {
-  return _mediaTrack;
-}
-
-@end