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1/*
2 * libjingle
3 * Copyright 2013, 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#if !defined(__has_feature) || !__has_feature(objc_arc)
29#error "This file requires ARC support."
30#endif
31
32#import "RTCMediaStreamTrack+internal.h"
33#import "RTCEnumConverter.h"
34
35@implementation RTCMediaStreamTrack {
36  talk_base::scoped_refptr<webrtc::MediaStreamTrackInterface> _mediaTrack;
37}
38
39@synthesize label;
40
41- (BOOL)isEqual:(id)other {
42  // Equality is purely based on the label just like the C++ implementation.
43  if (self == other) return YES;
44  if (![other isKindOfClass:[self class]] ||
45      ![self isKindOfClass:[other class]]) {
46    return NO;
47  }
48  RTCMediaStreamTrack *otherMediaStream = (RTCMediaStreamTrack *)other;
49  return [self.label isEqual:otherMediaStream.label];
50}
51
52- (NSUInteger)hash {
53  return [self.label hash];
54}
55
56- (NSString *)kind {
57  return @(self.mediaTrack->kind().c_str());
58}
59
60- (NSString *)label {
61  return @(self.mediaTrack->id().c_str());
62}
63
64- (BOOL)isEnabled {
65  return self.mediaTrack->enabled();
66}
67
68- (BOOL)setEnabled:(BOOL)enabled {
69  return self.mediaTrack->set_enabled(enabled);
70}
71
72- (RTCTrackState)state {
73  return [RTCEnumConverter convertTrackStateToObjC:self.mediaTrack->state()];
74}
75
76- (BOOL)setState:(RTCTrackState)state {
77  return self.mediaTrack->set_state(
78      [RTCEnumConverter convertTrackStateToNative:state]);
79}
80
81@end
82
83@implementation RTCMediaStreamTrack (Internal)
84
85- (id)initWithMediaTrack:(
86    talk_base::scoped_refptr<webrtc::MediaStreamTrackInterface>)mediaTrack {
87  if (!mediaTrack) {
88    NSAssert(NO, @"nil arguments not allowed");
89    self = nil;
90    return nil;
91  }
92  if ((self = [super init])) {
93    _mediaTrack = mediaTrack;
94    label = @(mediaTrack->id().c_str());
95  }
96  return self;
97}
98
99- (talk_base::scoped_refptr<webrtc::MediaStreamTrackInterface>)mediaTrack {
100  return _mediaTrack;
101}
102
103@end
104