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https://gitlab.winehq.org/wine/wine-gecko.git
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5939f3d97a
- Active cues now returns the subset of cues in mCueList that are valid for the current playback time. - Introduces new code in media element, when seeking, and in TextTrack, when adding and removing cues, to mark the active cue list as dirty so that we know when we might need to rebuild the list completely.
72 lines
2.1 KiB
C++
72 lines
2.1 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_TextTrackCueList_h
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#define mozilla_dom_TextTrackCueList_h
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#include "nsTArray.h"
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsWrapperCache.h"
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#include "mozilla/ErrorResult.h"
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namespace mozilla {
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namespace dom {
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class TextTrackCue;
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class TextTrackCueList MOZ_FINAL : public nsISupports
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, public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TextTrackCueList)
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// TextTrackCueList WebIDL
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TextTrackCueList(nsISupports* aParent);
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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 mParent;
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}
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uint32_t Length() const
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{
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return mList.Length();
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}
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// Time is in seconds.
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void Update(double aTime);
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TextTrackCue* IndexedGetter(uint32_t aIndex, bool& aFound);
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TextTrackCue* operator[](uint32_t aIndex);
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TextTrackCue* GetCueById(const nsAString& aId);
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// Adds a cue to mList by performing an insertion sort on mList.
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// We expect most files to already be sorted, so an insertion sort starting
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// from the end of the current array should be more efficient than a general
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// sort step after all cues are loaded.
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void AddCue(TextTrackCue& aCue);
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void RemoveCue(TextTrackCue& aCue, ErrorResult& aRv);
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void RemoveCueAt(uint32_t aIndex);
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void RemoveAll();
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private:
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nsCOMPtr<nsISupports> mParent;
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// A sorted list of TextTrackCues sorted by earliest start time. If the start
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// times are equal then it will be sorted by end time, earliest first.
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nsTArray< nsRefPtr<TextTrackCue> > mList;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_TextTrackCueList_h
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