The Tor Browser: netwerk/cache2/CacheFileOutputStream.h@7e26c7da4463

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #ifndef CacheFileOutputStream__h__

     6 #define CacheFileOutputStream__h__

     8 #include "nsIAsyncOutputStream.h"

     9 #include "nsISeekableStream.h"

    10 #include "nsCOMPtr.h"

    11 #include "nsAutoPtr.h"

    12 #include "CacheFileChunk.h"

    15 namespace mozilla {

    16 namespace net {

    18 class CacheFile;

    19 class CacheOutputCloseListener;

    21 class CacheFileOutputStream : public nsIAsyncOutputStream

    22                             , public nsISeekableStream

    23                             , public CacheFileChunkListener

    24 {

    25   NS_DECL_THREADSAFE_ISUPPORTS

    26   NS_DECL_NSIOUTPUTSTREAM

    27   NS_DECL_NSIASYNCOUTPUTSTREAM

    28   NS_DECL_NSISEEKABLESTREAM

    30 public:

    31   CacheFileOutputStream(CacheFile *aFile, CacheOutputCloseListener *aCloseListener);

    33   NS_IMETHOD OnChunkRead(nsresult aResult, CacheFileChunk *aChunk);

    34   NS_IMETHOD OnChunkWritten(nsresult aResult, CacheFileChunk *aChunk);

    35   NS_IMETHOD OnChunkAvailable(nsresult aResult, uint32_t aChunkIdx,

    36                               CacheFileChunk *aChunk);

    37   NS_IMETHOD OnChunkUpdated(CacheFileChunk *aChunk);

    39   void NotifyCloseListener();

    41   // Memory reporting

    42   size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf) const;

    44 private:

    45   virtual ~CacheFileOutputStream();

    47   void ReleaseChunk();

    48   void EnsureCorrectChunk(bool aReleaseOnly);

    49   void FillHole();

    50   void NotifyListener();

    52   nsRefPtr<CacheFile>      mFile;

    53   nsRefPtr<CacheFileChunk> mChunk;

    54   nsRefPtr<CacheOutputCloseListener> mCloseListener;

    55   int64_t                  mPos;

    56   bool                     mClosed;

    57   nsresult                 mStatus;

    59   nsCOMPtr<nsIOutputStreamCallback> mCallback;

    60   uint32_t                          mCallbackFlags;

    61   nsCOMPtr<nsIEventTarget>          mCallbackTarget;

    62 };

    65 } // net

    66 } // mozilla

    68 #endif

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