content/media/mediasource/MediaSourceResource.h@44a2da4a2ab2 (annotated)
content/media/mediasource/MediaSourceResource.h
Fri, 16 Jan 2015 04:50:19 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 04:50:19 +0100
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
- permissions
- -rw-r--r--
Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32
| 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_MEDIASOURCERESOURCE_H_ |
| michael@0 | 8 | #define MOZILLA_MEDIASOURCERESOURCE_H_ |
| michael@0 | 9 | |
| michael@0 | 10 | #include "MediaResource.h" |
| michael@0 | 11 | |
| michael@0 | 12 | namespace mozilla { |
| michael@0 | 13 | |
| michael@0 | 14 | class MediaSourceResource MOZ_FINAL : public MediaResource |
| michael@0 | 15 | { |
| michael@0 | 16 | public: |
| michael@0 | 17 | MediaSourceResource() {} |
| michael@0 | 18 | |
| michael@0 | 19 | virtual nsresult Close() MOZ_OVERRIDE { return NS_OK; } |
| michael@0 | 20 | virtual void Suspend(bool aCloseImmediately) MOZ_OVERRIDE {} |
| michael@0 | 21 | virtual void Resume() MOZ_OVERRIDE {} |
| michael@0 | 22 | virtual already_AddRefed<nsIPrincipal> GetCurrentPrincipal() MOZ_OVERRIDE { return nullptr; } |
| michael@0 | 23 | virtual bool CanClone() MOZ_OVERRIDE { return false; } |
| michael@0 | 24 | virtual already_AddRefed<MediaResource> CloneData(MediaDecoder* aDecoder) MOZ_OVERRIDE { return nullptr; } |
| michael@0 | 25 | virtual void SetReadMode(MediaCacheStream::ReadMode aMode) MOZ_OVERRIDE {} |
| michael@0 | 26 | virtual void SetPlaybackRate(uint32_t aBytesPerSecond) MOZ_OVERRIDE {} |
| michael@0 | 27 | virtual nsresult Read(char* aBuffer, uint32_t aCount, uint32_t* aBytes) MOZ_OVERRIDE { return NS_ERROR_FAILURE; } |
| michael@0 | 28 | virtual nsresult ReadAt(int64_t aOffset, char* aBuffer, uint32_t aCount, uint32_t* aBytes) MOZ_OVERRIDE { return NS_ERROR_FAILURE; } |
| michael@0 | 29 | virtual nsresult Seek(int32_t aWhence, int64_t aOffset) MOZ_OVERRIDE { return NS_ERROR_FAILURE; } |
| michael@0 | 30 | virtual void StartSeekingForMetadata() MOZ_OVERRIDE {} |
| michael@0 | 31 | virtual void EndSeekingForMetadata() MOZ_OVERRIDE {} |
| michael@0 | 32 | virtual int64_t Tell() MOZ_OVERRIDE { return -1; } |
| michael@0 | 33 | virtual void Pin() MOZ_OVERRIDE {} |
| michael@0 | 34 | virtual void Unpin() MOZ_OVERRIDE {} |
| michael@0 | 35 | virtual double GetDownloadRate(bool* aIsReliable) MOZ_OVERRIDE { return 0; } |
| michael@0 | 36 | virtual int64_t GetLength() MOZ_OVERRIDE { return -1; } |
| michael@0 | 37 | virtual int64_t GetNextCachedData(int64_t aOffset) MOZ_OVERRIDE { return aOffset; } |
| michael@0 | 38 | virtual int64_t GetCachedDataEnd(int64_t aOffset) MOZ_OVERRIDE { return GetLength(); } |
| michael@0 | 39 | virtual bool IsDataCachedToEndOfResource(int64_t aOffset) MOZ_OVERRIDE { return false; } |
| michael@0 | 40 | virtual bool IsSuspendedByCache() MOZ_OVERRIDE { return false; } |
| michael@0 | 41 | virtual bool IsSuspended() MOZ_OVERRIDE { return false; } |
| michael@0 | 42 | virtual nsresult ReadFromCache(char* aBuffer, int64_t aOffset, uint32_t aCount) MOZ_OVERRIDE { return NS_ERROR_FAILURE; } |
| michael@0 | 43 | virtual nsresult Open(nsIStreamListener** aStreamListener) MOZ_OVERRIDE { return NS_ERROR_FAILURE; } |
| michael@0 | 44 | |
| michael@0 | 45 | virtual nsresult GetCachedRanges(nsTArray<MediaByteRange>& aRanges) MOZ_OVERRIDE |
| michael@0 | 46 | { |
| michael@0 | 47 | aRanges.AppendElement(MediaByteRange(0, GetLength())); |
| michael@0 | 48 | return NS_OK; |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | virtual bool IsTransportSeekable() MOZ_OVERRIDE { return true; } |
| michael@0 | 52 | virtual const nsCString& GetContentType() const MOZ_OVERRIDE { return mType; } |
| michael@0 | 53 | |
| michael@0 | 54 | private: |
| michael@0 | 55 | virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE |
| michael@0 | 56 | { |
| michael@0 | 57 | size_t size = MediaResource::SizeOfExcludingThis(aMallocSizeOf); |
| michael@0 | 58 | size += mType.SizeOfExcludingThisIfUnshared(aMallocSizeOf); |
| michael@0 | 59 | |
| michael@0 | 60 | return size; |
| michael@0 | 61 | } |
| michael@0 | 62 | |
| michael@0 | 63 | virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE |
| michael@0 | 64 | { |
| michael@0 | 65 | return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf); |
| michael@0 | 66 | } |
| michael@0 | 67 | |
| michael@0 | 68 | const nsAutoCString mType; |
| michael@0 | 69 | }; |
| michael@0 | 70 | |
| michael@0 | 71 | } // namespace mozilla |
| michael@0 | 72 | |
| michael@0 | 73 | #endif /* MOZILLA_MEDIASOURCERESOURCE_H_ */ |
