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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.
88 lines
2.2 KiB
C++
88 lines
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/TextTrack.h"
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#include "mozilla/dom/TextTrackBinding.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_3(TextTrack,
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mParent,
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mCueList,
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mActiveCueList)
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NS_IMPL_ADDREF_INHERITED(TextTrack, nsDOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(TextTrack, nsDOMEventTargetHelper)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(TextTrack)
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NS_INTERFACE_MAP_END_INHERITING(nsDOMEventTargetHelper)
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TextTrack::TextTrack(nsISupports* aParent,
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TextTrackKind aKind,
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const nsAString& aLabel,
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const nsAString& aLanguage)
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: mParent(aParent)
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, mKind(aKind)
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, mLabel(aLabel)
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, mLanguage(aLanguage)
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, mMode(TextTrackMode::Hidden)
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, mCueList(new TextTrackCueList(aParent))
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, mActiveCueList(new TextTrackCueList(aParent))
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{
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SetIsDOMBinding();
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}
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TextTrack::TextTrack(nsISupports* aParent)
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: mParent(aParent)
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, mKind(TextTrackKind::Subtitles)
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, mMode(TextTrackMode::Disabled)
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, mCueList(new TextTrackCueList(aParent))
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, mActiveCueList(new TextTrackCueList(aParent))
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{
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SetIsDOMBinding();
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}
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void
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TextTrack::Update(double time)
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{
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mCueList->Update(time);
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}
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JSObject*
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TextTrack::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)
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{
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return TextTrackBinding::Wrap(aCx, aScope, this);
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}
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void
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TextTrack::SetMode(TextTrackMode aValue)
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{
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mMode = aValue;
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}
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void
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TextTrack::AddCue(TextTrackCue& aCue)
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{
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//XXX: If cue exists, remove. Bug 867823.
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mCueList->AddCue(aCue);
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}
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void
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TextTrack::RemoveCue(TextTrackCue& aCue)
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{
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//XXX: If cue does not exists throw NotFoundError. Bug 867823.
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mCueList->RemoveCue(aCue);
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}
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void
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TextTrack::CueChanged(TextTrackCue& aCue)
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{
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//XXX: Implement Cue changed. Bug 867823.
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}
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} // namespace dom
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} // namespace mozilla
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