The Tor Browser: netwerk/cache2/CacheFileInputStream.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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 CacheFileInputStream__h__

     6 #define CacheFileInputStream__h__

     8 #include "nsIAsyncInputStream.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;

    20 class CacheFileInputStream : public nsIAsyncInputStream

    21                            , public nsISeekableStream

    22                            , public CacheFileChunkListener

    23 {

    24   NS_DECL_THREADSAFE_ISUPPORTS

    25   NS_DECL_NSIINPUTSTREAM

    26   NS_DECL_NSIASYNCINPUTSTREAM

    27   NS_DECL_NSISEEKABLESTREAM

    29 public:

    30   CacheFileInputStream(CacheFile *aFile);

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

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

    34   NS_IMETHOD OnChunkAvailable(nsresult aResult, uint32_t aChunkIdx,

    35                               CacheFileChunk *aChunk);

    36   NS_IMETHOD OnChunkUpdated(CacheFileChunk *aChunk);

    38   // Memory reporting

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

    41 private:

    42   virtual ~CacheFileInputStream();

    44   void ReleaseChunk();

    45   void EnsureCorrectChunk(bool aReleaseOnly);

    46   void CanRead(int64_t *aCanRead, const char **aBuf);

    47   void NotifyListener();

    48   void MaybeNotifyListener();

    50   nsRefPtr<CacheFile>      mFile;

    51   nsRefPtr<CacheFileChunk> mChunk;

    52   int64_t                  mPos;

    53   bool                     mClosed;

    54   nsresult                 mStatus;

    55   bool                     mWaitingForUpdate;

    56   int64_t                  mListeningForChunk;

    57   bool                     mInReadSegments;

    59   nsCOMPtr<nsIInputStreamCallback> mCallback;

    60   uint32_t                         mCallbackFlags;

    61   nsCOMPtr<nsIEventTarget>         mCallbackTarget;

    62 };

    65 } // net

    66 } // mozilla

    68 #endif

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