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5433bf6d01
This way when the video is resized the rendering algorithm for the cues will run again and hence, the caption size will be increased/decreased for the new size of the video.
147 lines
3.5 KiB
C++
147 lines
3.5 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_TextTrack_h
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#define mozilla_dom_TextTrack_h
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/dom/TextTrackBinding.h"
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsString.h"
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namespace mozilla {
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namespace dom {
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class TextTrackList;
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class TextTrackCue;
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class TextTrackCueList;
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class TextTrackRegion;
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class HTMLTrackElement;
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enum TextTrackSource {
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Track,
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AddTextTrack,
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MediaResourceSpecific
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};
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// Constants for numeric readyState property values.
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enum TextTrackReadyState {
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NotLoaded = 0U,
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Loading = 1U,
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Loaded = 2U,
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FailedToLoad = 3U
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};
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class TextTrack MOZ_FINAL : public DOMEventTargetHelper
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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(TextTrack, DOMEventTargetHelper)
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TextTrack(nsPIDOMWindow* aOwnerWindow,
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TextTrackKind aKind,
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const nsAString& aLabel,
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const nsAString& aLanguage,
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TextTrackMode aMode,
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TextTrackReadyState aReadyState,
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TextTrackSource aTextTrackSource);
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TextTrack(nsPIDOMWindow* aOwnerWindow,
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TextTrackList* aTextTrackList,
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TextTrackKind aKind,
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const nsAString& aLabel,
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const nsAString& aLanguage,
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TextTrackMode aMode,
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TextTrackReadyState aReadyState,
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TextTrackSource aTextTrackSource);
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void SetDefaultSettings();
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virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
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TextTrackKind Kind() const
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{
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return mKind;
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}
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void GetLabel(nsAString& aLabel) const
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{
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aLabel = mLabel;
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}
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void GetLanguage(nsAString& aLanguage) const
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{
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aLanguage = mLanguage;
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}
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void GetInBandMetadataTrackDispatchType(nsAString& aType) const
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{
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aType = mType;
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}
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void GetId(nsAString& aId) const;
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TextTrackMode Mode() const
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{
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return mMode;
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}
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void SetMode(TextTrackMode aValue);
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TextTrackCueList* GetCues() const
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{
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if (mMode == TextTrackMode::Disabled) {
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return nullptr;
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}
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return mCueList;
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}
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TextTrackCueList* GetActiveCues();
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void UpdateActiveCueList();
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void GetActiveCueArray(nsTArray<nsRefPtr<TextTrackCue> >& aCues);
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TextTrackReadyState ReadyState() const;
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void SetReadyState(TextTrackReadyState aState);
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void SetReadyState(uint32_t aReadyState);
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void AddCue(TextTrackCue& aCue);
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void RemoveCue(TextTrackCue& aCue, ErrorResult& aRv);
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void SetDirty() { mDirty = true; }
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void SetCuesDirty();
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TextTrackList* GetTextTrackList();
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void SetTextTrackList(TextTrackList* aTextTrackList);
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IMPL_EVENT_HANDLER(cuechange)
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HTMLTrackElement* GetTrackElement();
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void SetTrackElement(HTMLTrackElement* aTrackElement);
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TextTrackSource GetTextTrackSource() {
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return mTextTrackSource;
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}
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private:
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nsRefPtr<TextTrackList> mTextTrackList;
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TextTrackKind mKind;
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nsString mLabel;
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nsString mLanguage;
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nsString mType;
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TextTrackMode mMode;
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nsRefPtr<TextTrackCueList> mCueList;
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nsRefPtr<TextTrackCueList> mActiveCueList;
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nsRefPtr<HTMLTrackElement> mTrackElement;
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uint32_t mCuePos;
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TextTrackReadyState mReadyState;
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bool mDirty;
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// An enum that represents where the track was sourced from.
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TextTrackSource mTextTrackSource;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_TextTrack_h
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