The Tor Browser: netwerk/cache/nsCacheSession.h@a63d609f5ebe

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  *

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

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

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

     7 #ifndef _nsCacheSession_h_

     8 #define _nsCacheSession_h_

    10 #include "nspr.h"

    11 #include "nsError.h"

    12 #include "nsCOMPtr.h"

    13 #include "nsICacheSession.h"

    14 #include "nsIFile.h"

    15 #include "nsString.h"

    17 class nsCacheSession : public nsICacheSession

    18 {

    19 public:

    20     NS_DECL_ISUPPORTS

    21     NS_DECL_NSICACHESESSION

    23     nsCacheSession(const char * clientID, nsCacheStoragePolicy storagePolicy, bool streamBased);

    24     virtual ~nsCacheSession();

    26     nsCString *           ClientID()      { return &mClientID; }

    28     enum SessionInfo {

    29         eStoragePolicyMask        = 0x000000FF,

    30         eStreamBasedMask          = 0x00000100,

    31         eDoomEntriesIfExpiredMask = 0x00001000,

    32         ePrivateMask              = 0x00010000

    33     };

    35     void   MarkStreamBased()  { mInfo |=  eStreamBasedMask; }

    36     void   ClearStreamBased() { mInfo &= ~eStreamBasedMask; }

    37     bool IsStreamBased()    { return (mInfo & eStreamBasedMask) != 0; }

    39     void   MarkDoomEntriesIfExpired()  { mInfo |=  eDoomEntriesIfExpiredMask; }

    40     void   ClearDoomEntriesIfExpired() { mInfo &= ~eDoomEntriesIfExpiredMask; }

    41     bool WillDoomEntriesIfExpired()  { return (0 != (mInfo & eDoomEntriesIfExpiredMask)); }

    43     void   MarkPrivate() { mInfo |= ePrivateMask; }

    44     void   MarkPublic() { mInfo &= ~ePrivateMask; }

    45     bool IsPrivate() { return (mInfo & ePrivateMask) != 0; }

    46     nsCacheStoragePolicy  StoragePolicy()

    47     {

    48         return (nsCacheStoragePolicy)(mInfo & eStoragePolicyMask);

    49     }

    51     void SetStoragePolicy(nsCacheStoragePolicy policy)

    52     {

    53         NS_ASSERTION(policy <= 0xFF, "too many bits in nsCacheStoragePolicy");

    54         mInfo &= ~eStoragePolicyMask; // clear storage policy bits

    55         mInfo |= policy;

    56     }

    58     nsIFile* ProfileDir() { return mProfileDir; }

    60 private:

    61     nsCString               mClientID;

    62     uint32_t                mInfo;

    63     nsCOMPtr<nsIFile>       mProfileDir;

    64 };

    66 #endif // _nsCacheSession_h_

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