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content/media/TextTrack.h@97036ab72558 (annotated)

content/media/TextTrack.h

Tue, 06 Jan 2015 21:39:09 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Tue, 06 Jan 2015 21:39:09 +0100

branch

TOR_BUG_9701

changeset 8

97036ab72558

permissions

-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* vim:set ts=2 sw=2 et tw=78: */
michael@0	3	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#ifndef mozilla_dom_TextTrack_h
michael@0	8	#define mozilla_dom_TextTrack_h
michael@0	9
michael@0	10	#include "mozilla/DOMEventTargetHelper.h"
michael@0	11	#include "mozilla/dom/TextTrackBinding.h"
michael@0	12	#include "nsCOMPtr.h"
michael@0	13	#include "nsCycleCollectionParticipant.h"
michael@0	14	#include "nsString.h"
michael@0	15
michael@0	16	namespace mozilla {
michael@0	17	namespace dom {
michael@0	18
michael@0	19	class TextTrackList;
michael@0	20	class TextTrackCue;
michael@0	21	class TextTrackCueList;
michael@0	22	class TextTrackRegion;
michael@0	23	class HTMLTrackElement;
michael@0	24
michael@0	25	enum TextTrackSource {
michael@0	26	Track,
michael@0	27	AddTextTrack,
michael@0	28	MediaResourceSpecific
michael@0	29	};
michael@0	30
michael@0	31	// Constants for numeric readyState property values.
michael@0	32	enum TextTrackReadyState {
michael@0	33	NotLoaded = 0U,
michael@0	34	Loading = 1U,
michael@0	35	Loaded = 2U,
michael@0	36	FailedToLoad = 3U
michael@0	37	};
michael@0	38
michael@0	39	class TextTrack MOZ_FINAL : public DOMEventTargetHelper
michael@0	40	{
michael@0	41	public:
michael@0	42	NS_DECL_ISUPPORTS_INHERITED
michael@0	43	NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TextTrack, DOMEventTargetHelper)
michael@0	44
michael@0	45	TextTrack(nsPIDOMWindow* aOwnerWindow,
michael@0	46	TextTrackKind aKind,
michael@0	47	const nsAString& aLabel,
michael@0	48	const nsAString& aLanguage,
michael@0	49	TextTrackMode aMode,
michael@0	50	TextTrackReadyState aReadyState,
michael@0	51	TextTrackSource aTextTrackSource);
michael@0	52	TextTrack(nsPIDOMWindow* aOwnerWindow,
michael@0	53	TextTrackList* aTextTrackList,
michael@0	54	TextTrackKind aKind,
michael@0	55	const nsAString& aLabel,
michael@0	56	const nsAString& aLanguage,
michael@0	57	TextTrackMode aMode,
michael@0	58	TextTrackReadyState aReadyState,
michael@0	59	TextTrackSource aTextTrackSource);
michael@0	60
michael@0	61	void SetDefaultSettings();
michael@0	62
michael@0	63	virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0	64
michael@0	65	TextTrackKind Kind() const
michael@0	66	{
michael@0	67	return mKind;
michael@0	68	}
michael@0	69	void GetLabel(nsAString& aLabel) const
michael@0	70	{
michael@0	71	aLabel = mLabel;
michael@0	72	}
michael@0	73	void GetLanguage(nsAString& aLanguage) const
michael@0	74	{
michael@0	75	aLanguage = mLanguage;
michael@0	76	}
michael@0	77	void GetInBandMetadataTrackDispatchType(nsAString& aType) const
michael@0	78	{
michael@0	79	aType = mType;
michael@0	80	}
michael@0	81	void GetId(nsAString& aId) const;
michael@0	82
michael@0	83	TextTrackMode Mode() const
michael@0	84	{
michael@0	85	return mMode;
michael@0	86	}
michael@0	87	void SetMode(TextTrackMode aValue);
michael@0	88
michael@0	89	TextTrackCueList* GetCues() const
michael@0	90	{
michael@0	91	if (mMode == TextTrackMode::Disabled) {
michael@0	92	return nullptr;
michael@0	93	}
michael@0	94	return mCueList;
michael@0	95	}
michael@0	96
michael@0	97	TextTrackCueList* GetActiveCues();
michael@0	98	void UpdateActiveCueList();
michael@0	99	void GetActiveCueArray(nsTArray<nsRefPtr<TextTrackCue> >& aCues);
michael@0	100
michael@0	101	TextTrackReadyState ReadyState() const;
michael@0	102	void SetReadyState(TextTrackReadyState aState);
michael@0	103	void SetReadyState(uint32_t aReadyState);
michael@0	104
michael@0	105	void AddCue(TextTrackCue& aCue);
michael@0	106	void RemoveCue(TextTrackCue& aCue, ErrorResult& aRv);
michael@0	107	void SetDirty() { mDirty = true; }
michael@0	108	void SetCuesDirty();
michael@0	109
michael@0	110	TextTrackList* GetTextTrackList();
michael@0	111	void SetTextTrackList(TextTrackList* aTextTrackList);
michael@0	112
michael@0	113	IMPL_EVENT_HANDLER(cuechange)
michael@0	114
michael@0	115	HTMLTrackElement* GetTrackElement();
michael@0	116	void SetTrackElement(HTMLTrackElement* aTrackElement);
michael@0	117
michael@0	118	TextTrackSource GetTextTrackSource() {
michael@0	119	return mTextTrackSource;
michael@0	120	}
michael@0	121
michael@0	122	private:
michael@0	123	nsRefPtr<TextTrackList> mTextTrackList;
michael@0	124
michael@0	125	TextTrackKind mKind;
michael@0	126	nsString mLabel;
michael@0	127	nsString mLanguage;
michael@0	128	nsString mType;
michael@0	129	TextTrackMode mMode;
michael@0	130
michael@0	131	nsRefPtr<TextTrackCueList> mCueList;
michael@0	132	nsRefPtr<TextTrackCueList> mActiveCueList;
michael@0	133	nsRefPtr<HTMLTrackElement> mTrackElement;
michael@0	134
michael@0	135	uint32_t mCuePos;
michael@0	136	TextTrackReadyState mReadyState;
michael@0	137	bool mDirty;
michael@0	138
michael@0	139	// An enum that represents where the track was sourced from.
michael@0	140	TextTrackSource mTextTrackSource;
michael@0	141	};
michael@0	142
michael@0	143	} // namespace dom
michael@0	144	} // namespace mozilla
michael@0	145
michael@0	146	#endif // mozilla_dom_TextTrack_h