зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.2 KiB
C++
73 строки
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 et tw=78: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/AudioStreamTrack.h"
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#include "mozilla/dom/AudioTrack.h"
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#include "mozilla/dom/AudioTrackBinding.h"
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#include "mozilla/dom/AudioTrackList.h"
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#include "mozilla/dom/HTMLMediaElement.h"
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namespace mozilla {
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namespace dom {
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AudioTrack::AudioTrack(nsIGlobalObject* aOwnerGlobal, const nsAString& aId,
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const nsAString& aKind, const nsAString& aLabel,
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const nsAString& aLanguage, bool aEnabled,
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AudioStreamTrack* aStreamTrack)
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: MediaTrack(aOwnerGlobal, aId, aKind, aLabel, aLanguage),
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mEnabled(aEnabled),
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mAudioStreamTrack(aStreamTrack) {}
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AudioTrack::~AudioTrack() = default;
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NS_IMPL_CYCLE_COLLECTION_INHERITED(AudioTrack, MediaTrack, mAudioStreamTrack)
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NS_IMPL_ADDREF_INHERITED(AudioTrack, MediaTrack)
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NS_IMPL_RELEASE_INHERITED(AudioTrack, MediaTrack)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AudioTrack)
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NS_INTERFACE_MAP_END_INHERITING(MediaTrack)
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JSObject* AudioTrack::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return AudioTrack_Binding::Wrap(aCx, this, aGivenProto);
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}
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void AudioTrack::SetEnabled(bool aEnabled) {
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SetEnabledInternal(aEnabled, MediaTrack::DEFAULT);
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}
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void AudioTrack::SetEnabledInternal(bool aEnabled, int aFlags) {
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if (aEnabled == mEnabled) {
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return;
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}
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mEnabled = aEnabled;
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// If this AudioTrack is no longer in its original AudioTrackList, then
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// whether it is enabled or not has no effect on its original list.
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if (!mList) {
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return;
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}
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if (mEnabled) {
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HTMLMediaElement* element = mList->GetMediaElement();
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if (element) {
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element->NotifyMediaTrackEnabled(this);
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}
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} else {
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HTMLMediaElement* element = mList->GetMediaElement();
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if (element) {
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element->NotifyMediaTrackDisabled(this);
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}
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}
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if (!(aFlags & MediaTrack::FIRE_NO_EVENTS)) {
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mList->CreateAndDispatchChangeEvent();
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}
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}
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} // namespace dom
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} // namespace mozilla
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