michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=8 sts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef MOZILLA_MEDIASOURCERESOURCE_H_
michael@0: #define MOZILLA_MEDIASOURCERESOURCE_H_
michael@0: 
michael@0: #include "MediaResource.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: class MediaSourceResource MOZ_FINAL : public MediaResource
michael@0: {
michael@0: public:
michael@0:   MediaSourceResource() {}
michael@0: 
michael@0:   virtual nsresult Close() MOZ_OVERRIDE { return NS_OK; }
michael@0:   virtual void Suspend(bool aCloseImmediately) MOZ_OVERRIDE {}
michael@0:   virtual void Resume() MOZ_OVERRIDE {}
michael@0:   virtual already_AddRefed<nsIPrincipal> GetCurrentPrincipal() MOZ_OVERRIDE { return nullptr; }
michael@0:   virtual bool CanClone() MOZ_OVERRIDE { return false; }
michael@0:   virtual already_AddRefed<MediaResource> CloneData(MediaDecoder* aDecoder) MOZ_OVERRIDE { return nullptr; }
michael@0:   virtual void SetReadMode(MediaCacheStream::ReadMode aMode) MOZ_OVERRIDE {}
michael@0:   virtual void SetPlaybackRate(uint32_t aBytesPerSecond) MOZ_OVERRIDE  {}
michael@0:   virtual nsresult Read(char* aBuffer, uint32_t aCount, uint32_t* aBytes) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
michael@0:   virtual nsresult ReadAt(int64_t aOffset, char* aBuffer, uint32_t aCount, uint32_t* aBytes) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
michael@0:   virtual nsresult Seek(int32_t aWhence, int64_t aOffset) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
michael@0:   virtual void StartSeekingForMetadata() MOZ_OVERRIDE {}
michael@0:   virtual void EndSeekingForMetadata() MOZ_OVERRIDE {}
michael@0:   virtual int64_t Tell() MOZ_OVERRIDE { return -1; }
michael@0:   virtual void Pin() MOZ_OVERRIDE {}
michael@0:   virtual void Unpin() MOZ_OVERRIDE {}
michael@0:   virtual double GetDownloadRate(bool* aIsReliable) MOZ_OVERRIDE { return 0; }
michael@0:   virtual int64_t GetLength() MOZ_OVERRIDE { return -1; }
michael@0:   virtual int64_t GetNextCachedData(int64_t aOffset) MOZ_OVERRIDE { return aOffset; }
michael@0:   virtual int64_t GetCachedDataEnd(int64_t aOffset) MOZ_OVERRIDE { return GetLength(); }
michael@0:   virtual bool IsDataCachedToEndOfResource(int64_t aOffset) MOZ_OVERRIDE { return false; }
michael@0:   virtual bool IsSuspendedByCache() MOZ_OVERRIDE { return false; }
michael@0:   virtual bool IsSuspended() MOZ_OVERRIDE { return false; }
michael@0:   virtual nsresult ReadFromCache(char* aBuffer, int64_t aOffset, uint32_t aCount) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
michael@0:   virtual nsresult Open(nsIStreamListener** aStreamListener) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
michael@0: 
michael@0:   virtual nsresult GetCachedRanges(nsTArray<MediaByteRange>& aRanges) MOZ_OVERRIDE
michael@0:   {
michael@0:     aRanges.AppendElement(MediaByteRange(0, GetLength()));
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   virtual bool IsTransportSeekable() MOZ_OVERRIDE { return true; }
michael@0:   virtual const nsCString& GetContentType() const MOZ_OVERRIDE { return mType; }
michael@0: 
michael@0: private:
michael@0:   virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE
michael@0:   {
michael@0:     size_t size = MediaResource::SizeOfExcludingThis(aMallocSizeOf);
michael@0:     size += mType.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
michael@0: 
michael@0:     return size;
michael@0:   }
michael@0: 
michael@0:   virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE
michael@0:   {
michael@0:     return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
michael@0:   }
michael@0: 
michael@0:   const nsAutoCString mType;
michael@0: };
michael@0: 
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif /* MOZILLA_MEDIASOURCERESOURCE_H_ */