gecko/content/media/mediasource/MediaSourceResource.h

74 lines
3.2 KiB
C++

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