/src/mozilla-central/dom/media/AudioTrack.cpp
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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 | | AudioTrack::AudioTrack(nsIGlobalObject* aOwnerGlobal, |
16 | | const nsAString& aId, |
17 | | const nsAString& aKind, |
18 | | const nsAString& aLabel, |
19 | | const nsAString& aLanguage, |
20 | | bool aEnabled) |
21 | | : MediaTrack(aOwnerGlobal, aId, aKind, aLabel, aLanguage) |
22 | | , mEnabled(aEnabled) |
23 | 0 | { |
24 | 0 | } |
25 | | |
26 | | JSObject* |
27 | | AudioTrack::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) |
28 | 0 | { |
29 | 0 | return AudioTrack_Binding::Wrap(aCx, this, aGivenProto); |
30 | 0 | } |
31 | | |
32 | | void |
33 | | AudioTrack::SetEnabled(bool aEnabled) |
34 | 0 | { |
35 | 0 | SetEnabledInternal(aEnabled, MediaTrack::DEFAULT); |
36 | 0 | } |
37 | | |
38 | | void |
39 | | AudioTrack::SetEnabledInternal(bool aEnabled, int aFlags) |
40 | 0 | { |
41 | 0 | if (aEnabled == mEnabled) { |
42 | 0 | return; |
43 | 0 | } |
44 | 0 | mEnabled = aEnabled; |
45 | 0 |
|
46 | 0 | // If this AudioTrack is no longer in its original AudioTrackList, then |
47 | 0 | // whether it is enabled or not has no effect on its original list. |
48 | 0 | if (!mList) { |
49 | 0 | return; |
50 | 0 | } |
51 | 0 | |
52 | 0 | if (mEnabled) { |
53 | 0 | HTMLMediaElement* element = mList->GetMediaElement(); |
54 | 0 | if (element) { |
55 | 0 | element->NotifyMediaTrackEnabled(this); |
56 | 0 | } |
57 | 0 | } else { |
58 | 0 | HTMLMediaElement* element = mList->GetMediaElement(); |
59 | 0 | if (element) { |
60 | 0 | element->NotifyMediaTrackDisabled(this); |
61 | 0 | } |
62 | 0 | } |
63 | 0 |
|
64 | 0 | if (!(aFlags & MediaTrack::FIRE_NO_EVENTS)) { |
65 | 0 | mList->CreateAndDispatchChangeEvent(); |
66 | 0 | } |
67 | 0 | } |
68 | | |
69 | | } // namespace dom |
70 | | } //namespace mozilla |