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3d52d52549
Add webidl interfaces and implementations of the HTML <track> element and related TextTrack, TextTrackList, TextTrackCue, and TextTrackCueList dom objects. Visibility is controlled by the media.webvtt.enabled pref, which defaults to false. HTMLMediaElement:NewURIFromString() is hoisted to nsGenericHTMLElement so it's available to the track element as well. This patch is primarily work by Dale Karp, David Humphrey and others as Seneca College.
70 lines
1.9 KiB
C++
70 lines
1.9 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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#ifndef mozilla_dom_TextTrackList_h
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#define mozilla_dom_TextTrackList_h
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#include "mozilla/dom/TextTrack.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsDOMEventTargetHelper.h"
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namespace mozilla {
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namespace dom {
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class TextTrack;
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class TextTrackList MOZ_FINAL : public nsDOMEventTargetHelper
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(TextTrackList,
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nsDOMEventTargetHelper)
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TextTrackList(nsISupports* aGlobal);
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
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nsISupports* GetParentObject() const
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{
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return mGlobal;
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}
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uint32_t Length() const
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{
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return mTextTracks.Length();
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}
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void Update(double time) {
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uint32_t length = Length(), i;
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for( i = 0; i < length; i++ ) {
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mTextTracks[i]->Update(time);
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}
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}
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TextTrack* IndexedGetter(uint32_t aIndex, bool& aFound);
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already_AddRefed<TextTrack> AddTextTrack(TextTrackKind aKind,
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const nsAString& aLabel,
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const nsAString& aLanguage);
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void AddTextTrack(TextTrack* aTextTrack) {
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mTextTracks.AppendElement(aTextTrack);
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}
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void RemoveTextTrack(const TextTrack& aTrack);
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IMPL_EVENT_HANDLER(addtrack)
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IMPL_EVENT_HANDLER(removetrack)
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private:
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nsCOMPtr<nsISupports> mGlobal;
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nsTArray< nsRefPtr<TextTrack> > mTextTracks;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_TextTrackList_h
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