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1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* vim:set ts=2 sw=2 et tw=78: */
3 : /* This Source Code Form is subject to the terms of the Mozilla Public
4 : * License, v. 2.0. If a copy of the MPL was not distributed with this
5 : * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 :
7 : #include "mozilla/dom/AudioTrack.h"
8 : #include "mozilla/dom/AudioTrackBinding.h"
9 : #include "mozilla/dom/AudioTrackList.h"
10 : #include "mozilla/dom/HTMLMediaElement.h"
11 :
12 : namespace mozilla {
13 : namespace dom {
14 :
15 0 : AudioTrack::AudioTrack(const nsAString& aId,
16 : const nsAString& aKind,
17 : const nsAString& aLabel,
18 : const nsAString& aLanguage,
19 0 : bool aEnabled)
20 : : MediaTrack(aId, aKind, aLabel, aLanguage)
21 0 : , mEnabled(aEnabled)
22 : {
23 0 : }
24 :
25 : JSObject*
26 0 : AudioTrack::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
27 : {
28 0 : return AudioTrackBinding::Wrap(aCx, this, aGivenProto);
29 : }
30 :
31 : void
32 0 : AudioTrack::SetEnabled(bool aEnabled)
33 : {
34 0 : SetEnabledInternal(aEnabled, MediaTrack::DEFAULT);
35 0 : }
36 :
37 : void
38 0 : AudioTrack::SetEnabledInternal(bool aEnabled, int aFlags)
39 : {
40 0 : if (aEnabled == mEnabled) {
41 0 : return;
42 : }
43 0 : mEnabled = aEnabled;
44 :
45 : // If this AudioTrack is no longer in its original AudioTrackList, then
46 : // whether it is enabled or not has no effect on its original list.
47 0 : if (!mList) {
48 0 : return;
49 : }
50 :
51 0 : if (mEnabled) {
52 0 : HTMLMediaElement* element = mList->GetMediaElement();
53 0 : if (element) {
54 0 : element->NotifyMediaTrackEnabled(this);
55 : }
56 : } else {
57 0 : HTMLMediaElement* element = mList->GetMediaElement();
58 0 : if (element) {
59 0 : element->NotifyMediaTrackDisabled(this);
60 : }
61 : }
62 :
63 0 : if (!(aFlags & MediaTrack::FIRE_NO_EVENTS)) {
64 0 : mList->CreateAndDispatchChangeEvent();
65 : }
66 : }
67 :
68 : } // namespace dom
69 : } //namespace mozilla
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