content/media/mediasource/MediaSource.h@97036ab72558 (annotated)
content/media/mediasource/MediaSource.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: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| 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_MediaSource_h_ |
| michael@0 | 8 | #define mozilla_dom_MediaSource_h_ |
| michael@0 | 9 | |
| michael@0 | 10 | #include "MediaSourceDecoder.h" |
| michael@0 | 11 | #include "js/RootingAPI.h" |
| michael@0 | 12 | #include "mozilla/Assertions.h" |
| michael@0 | 13 | #include "mozilla/Attributes.h" |
| michael@0 | 14 | #include "mozilla/DOMEventTargetHelper.h" |
| michael@0 | 15 | #include "mozilla/dom/MediaSourceBinding.h" |
| michael@0 | 16 | #include "nsAutoPtr.h" |
| michael@0 | 17 | #include "nsCOMPtr.h" |
| michael@0 | 18 | #include "nsCycleCollectionNoteChild.h" |
| michael@0 | 19 | #include "nsCycleCollectionParticipant.h" |
| michael@0 | 20 | #include "nsID.h" |
| michael@0 | 21 | #include "nsISupports.h" |
| michael@0 | 22 | #include "nscore.h" |
| michael@0 | 23 | |
| michael@0 | 24 | struct JSContext; |
| michael@0 | 25 | class JSObject; |
| michael@0 | 26 | class nsPIDOMWindow; |
| michael@0 | 27 | |
| michael@0 | 28 | namespace mozilla { |
| michael@0 | 29 | |
| michael@0 | 30 | class ErrorResult; |
| michael@0 | 31 | template <typename T> class AsyncEventRunner; |
| michael@0 | 32 | |
| michael@0 | 33 | namespace dom { |
| michael@0 | 34 | |
| michael@0 | 35 | class GlobalObject; |
| michael@0 | 36 | class SourceBuffer; |
| michael@0 | 37 | class SourceBufferList; |
| michael@0 | 38 | template <typename T> class Optional; |
| michael@0 | 39 | |
| michael@0 | 40 | #define MOZILLA_DOM_MEDIASOURCE_IMPLEMENTATION_IID \ |
| michael@0 | 41 | { 0x3839d699, 0x22c5, 0x439f, \ |
| michael@0 | 42 | { 0x94, 0xca, 0x0e, 0x0b, 0x26, 0xf9, 0xca, 0xbf } } |
| michael@0 | 43 | |
| michael@0 | 44 | class MediaSource MOZ_FINAL : public DOMEventTargetHelper |
| michael@0 | 45 | { |
| michael@0 | 46 | public: |
| michael@0 | 47 | /** WebIDL Methods. */ |
| michael@0 | 48 | static already_AddRefed<MediaSource> |
| michael@0 | 49 | Constructor(const GlobalObject& aGlobal, |
| michael@0 | 50 | ErrorResult& aRv); |
| michael@0 | 51 | |
| michael@0 | 52 | SourceBufferList* SourceBuffers(); |
| michael@0 | 53 | SourceBufferList* ActiveSourceBuffers(); |
| michael@0 | 54 | MediaSourceReadyState ReadyState(); |
| michael@0 | 55 | |
| michael@0 | 56 | double Duration(); |
| michael@0 | 57 | void SetDuration(double aDuration, ErrorResult& aRv); |
| michael@0 | 58 | |
| michael@0 | 59 | already_AddRefed<SourceBuffer> AddSourceBuffer(const nsAString& aType, ErrorResult& aRv); |
| michael@0 | 60 | void RemoveSourceBuffer(SourceBuffer& aSourceBuffer, ErrorResult& aRv); |
| michael@0 | 61 | |
| michael@0 | 62 | void EndOfStream(const Optional<MediaSourceEndOfStreamError>& aError, ErrorResult& aRv); |
| michael@0 | 63 | static bool IsTypeSupported(const GlobalObject&, const nsAString& aType); |
| michael@0 | 64 | /** End WebIDL Methods. */ |
| michael@0 | 65 | |
| michael@0 | 66 | NS_DECL_ISUPPORTS_INHERITED |
| michael@0 | 67 | NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaSource, DOMEventTargetHelper) |
| michael@0 | 68 | NS_DECLARE_STATIC_IID_ACCESSOR(MOZILLA_DOM_MEDIASOURCE_IMPLEMENTATION_IID) |
| michael@0 | 69 | |
| michael@0 | 70 | nsPIDOMWindow* GetParentObject() const; |
| michael@0 | 71 | |
| michael@0 | 72 | JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; |
| michael@0 | 73 | |
| michael@0 | 74 | // Attach this MediaSource to Decoder aDecoder. Returns false if already attached. |
| michael@0 | 75 | bool Attach(MediaSourceDecoder* aDecoder); |
| michael@0 | 76 | void Detach(); |
| michael@0 | 77 | |
| michael@0 | 78 | // Set mReadyState to aState and fire the required events at the MediaSource. |
| michael@0 | 79 | void SetReadyState(MediaSourceReadyState aState); |
| michael@0 | 80 | |
| michael@0 | 81 | // Used by SourceBuffer to call CreateSubDecoder. |
| michael@0 | 82 | MediaSourceDecoder* GetDecoder() |
| michael@0 | 83 | { |
| michael@0 | 84 | return mDecoder; |
| michael@0 | 85 | } |
| michael@0 | 86 | |
| michael@0 | 87 | // Called by SourceBuffers to notify this MediaSource that data has |
| michael@0 | 88 | // been evicted from the buffered data. The start and end times |
| michael@0 | 89 | // that were evicted are provided. |
| michael@0 | 90 | void NotifyEvicted(double aStart, double aEnd); |
| michael@0 | 91 | |
| michael@0 | 92 | private: |
| michael@0 | 93 | explicit MediaSource(nsPIDOMWindow* aWindow); |
| michael@0 | 94 | |
| michael@0 | 95 | friend class AsyncEventRunner<MediaSource>; |
| michael@0 | 96 | void DispatchSimpleEvent(const char* aName); |
| michael@0 | 97 | void QueueAsyncSimpleEvent(const char* aName); |
| michael@0 | 98 | |
| michael@0 | 99 | void DurationChange(double aNewDuration, ErrorResult& aRv); |
| michael@0 | 100 | |
| michael@0 | 101 | double mDuration; |
| michael@0 | 102 | |
| michael@0 | 103 | nsRefPtr<SourceBufferList> mSourceBuffers; |
| michael@0 | 104 | nsRefPtr<SourceBufferList> mActiveSourceBuffers; |
| michael@0 | 105 | |
| michael@0 | 106 | nsRefPtr<MediaSourceDecoder> mDecoder; |
| michael@0 | 107 | |
| michael@0 | 108 | MediaSourceReadyState mReadyState; |
| michael@0 | 109 | }; |
| michael@0 | 110 | |
| michael@0 | 111 | NS_DEFINE_STATIC_IID_ACCESSOR(MediaSource, MOZILLA_DOM_MEDIASOURCE_IMPLEMENTATION_IID) |
| michael@0 | 112 | |
| michael@0 | 113 | } // namespace dom |
| michael@0 | 114 | |
| michael@0 | 115 | } // namespace mozilla |
| michael@0 | 116 | #endif /* mozilla_dom_MediaSource_h_ */ |
