зеркало из https://github.com/mozilla/gecko-dev.git
63 строки
1.6 KiB
C++
63 строки
1.6 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/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(const nsAString& aId,
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const nsAString& aKind,
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const nsAString& aLabel,
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const nsAString& aLanguage,
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bool aEnabled)
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: MediaTrack(aId, aKind, aLabel, aLanguage)
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, mEnabled(aEnabled)
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{
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}
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JSObject*
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AudioTrack::WrapObject(JSContext* aCx)
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{
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return AudioTrackBinding::Wrap(aCx, this);
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}
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void
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AudioTrack::SetEnabled(bool aEnabled)
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{
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SetEnabledInternal(aEnabled, MediaTrack::DEFAULT);
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}
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void
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AudioTrack::SetEnabledInternal(bool aEnabled, int aFlags)
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{
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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 (!(aFlags & MediaTrack::FIRE_NO_EVENTS)) {
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mList->CreateAndDispatchChangeEvent();
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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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}
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}
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} // namespace dom
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} //namespace mozilla
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