125 lines
3.6 KiB
Plaintext
125 lines
3.6 KiB
Plaintext
/*
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* libjingle
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* Copyright 2013 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#if !defined(__has_feature) || !__has_feature(objc_arc)
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#error "This file requires ARC support."
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#endif
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#import "RTCEnumConverter.h"
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#import "RTCMediaStreamTrack+Internal.h"
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#include <memory>
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namespace webrtc {
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class RTCMediaStreamTrackObserver : public ObserverInterface {
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public:
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RTCMediaStreamTrackObserver(RTCMediaStreamTrack* track) { _track = track; }
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void OnChanged() override {
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[_track.delegate mediaStreamTrackDidChange:_track];
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}
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private:
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__weak RTCMediaStreamTrack* _track;
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};
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}
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@implementation RTCMediaStreamTrack {
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rtc::scoped_refptr<webrtc::MediaStreamTrackInterface> _mediaTrack;
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std::unique_ptr<webrtc::RTCMediaStreamTrackObserver> _observer;
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}
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@synthesize label;
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- (BOOL)isEqual:(id)other {
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// Equality is purely based on the label just like the C++ implementation.
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if (self == other)
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return YES;
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if (![other isKindOfClass:[self class]] ||
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![self isKindOfClass:[other class]]) {
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return NO;
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}
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RTCMediaStreamTrack* otherMediaStream = (RTCMediaStreamTrack*)other;
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return [self.label isEqual:otherMediaStream.label];
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}
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- (NSUInteger)hash {
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return [self.label hash];
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}
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- (NSString*)kind {
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return @(self.mediaTrack->kind().c_str());
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}
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- (NSString*)label {
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return @(self.mediaTrack->id().c_str());
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}
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- (BOOL)isEnabled {
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return self.mediaTrack->enabled();
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}
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- (BOOL)setEnabled:(BOOL)enabled {
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return self.mediaTrack->set_enabled(enabled);
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}
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- (RTCTrackState)state {
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return [RTCEnumConverter convertTrackStateToObjC:self.mediaTrack->state()];
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}
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@end
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@implementation RTCMediaStreamTrack (Internal)
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- (id)initWithMediaTrack:
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(rtc::scoped_refptr<webrtc::MediaStreamTrackInterface>)
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mediaTrack {
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if (!mediaTrack) {
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NSAssert(NO, @"nil arguments not allowed");
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self = nil;
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return nil;
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}
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if (self = [super init]) {
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_mediaTrack = mediaTrack;
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label = @(mediaTrack->id().c_str());
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_observer.reset(new webrtc::RTCMediaStreamTrackObserver(self));
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_mediaTrack->RegisterObserver(_observer.get());
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}
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return self;
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}
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- (void)dealloc {
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_mediaTrack->UnregisterObserver(_observer.get());
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}
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- (rtc::scoped_refptr<webrtc::MediaStreamTrackInterface>)mediaTrack {
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return _mediaTrack;
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}
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@end
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