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/*
* 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"
namespace webrtc {
class RTCMediaStreamTrackObserver : public ObserverInterface {
public:
RTCMediaStreamTrackObserver(RTCMediaStreamTrack* track) { _track = track; }
virtual void OnChanged() OVERRIDE {
[_track.delegate mediaStreamTrackDidChange:_track];
}
private:
__weak RTCMediaStreamTrack* _track;
};
}
@implementation RTCMediaStreamTrack {
rtc::scoped_refptr<webrtc::MediaStreamTrackInterface> _mediaTrack;
rtc::scoped_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()];
}
- (BOOL)setState:(RTCTrackState)state {
return self.mediaTrack->set_state(
[RTCEnumConverter convertTrackStateToNative: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
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