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cf709f8952
- This implements sorting on the MediaElement's list of TextTracks as described in: http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-model This is important as automatically positioned cues will have a line position that is relative to their TextTrack's position in the MediaElement's list of TextTracks. - Added a TextTrackSource enum which all TextTracks have. This helps distinguish where a TextTrack came from.
85 lines
2.5 KiB
C++
85 lines
2.5 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 HTMLMediaElement;
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class TextTrackManager;
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class CompareTextTracks;
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class TrackEvent;
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class TrackEventRunner;
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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_CLASS_INHERITED(TextTrackList, nsDOMEventTargetHelper)
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TextTrackList(nsISupports* aGlobal);
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TextTrackList(nsISupports* aGlobal, TextTrackManager* aTextTrackManager);
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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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// Get all the current active cues.
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void GetAllActiveCues(nsTArray<nsRefPtr<TextTrackCue> >& aCues);
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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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TextTrackSource aTextTrackSource,
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const CompareTextTracks& aCompareTT);
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TextTrack* GetTrackById(const nsAString& aId);
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void AddTextTrack(TextTrack* aTextTrack, const CompareTextTracks& aCompareTT);
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void RemoveTextTrack(TextTrack* aTrack);
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void DidSeek();
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HTMLMediaElement* GetMediaElement();
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void SetTextTrackManager(TextTrackManager* aTextTrackManager);
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nsresult DispatchTrackEvent(nsIDOMEvent* aEvent);
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void CreateAndDispatchChangeEvent();
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IMPL_EVENT_HANDLER(change)
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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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nsRefPtr<TextTrackManager> mTextTrackManager;
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void CreateAndDispatchTrackEventRunner(TextTrack* aTrack,
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const nsAString& aEventName);
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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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