зеркало из https://github.com/mozilla/gecko-dev.git
85 строки
2.4 KiB
C++
85 строки
2.4 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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#include "Intervals.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 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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explicit TextTrackCueList(nsISupports* aParent);
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) 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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bool IsEmpty() const
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{
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return mList.Length() == 0;
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}
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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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TextTrackCueList& operator=(const TextTrackCueList& aOther);
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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);
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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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void GetArray(nsTArray<RefPtr<TextTrackCue> >& aCues);
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void SetCuesInactive();
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already_AddRefed<TextTrackCueList>
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GetCueListByTimeInterval(media::Interval<double>& aInterval);
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void NotifyCueUpdated(TextTrackCue *aCue);
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bool IsCueExist(TextTrackCue *aCue);
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private:
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~TextTrackCueList();
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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< RefPtr<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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