gecko-dev/netwerk/cache/nsCacheSession.h

67 строки
2.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* 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 _nsCacheSession_h_
#define _nsCacheSession_h_
#include "nspr.h"
#include "nsError.h"
#include "nsCOMPtr.h"
#include "nsICacheSession.h"
#include "nsIFile.h"
#include "nsString.h"
class nsCacheSession : public nsICacheSession
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSICACHESESSION
nsCacheSession(const char * clientID, nsCacheStoragePolicy storagePolicy, bool streamBased);
virtual ~nsCacheSession();
nsCString * ClientID() { return &mClientID; }
enum SessionInfo {
eStoragePolicyMask = 0x000000FF,
eStreamBasedMask = 0x00000100,
eDoomEntriesIfExpiredMask = 0x00001000,
ePrivateMask = 0x00010000
};
void MarkStreamBased() { mInfo |= eStreamBasedMask; }
void ClearStreamBased() { mInfo &= ~eStreamBasedMask; }
bool IsStreamBased() { return (mInfo & eStreamBasedMask) != 0; }
void MarkDoomEntriesIfExpired() { mInfo |= eDoomEntriesIfExpiredMask; }
void ClearDoomEntriesIfExpired() { mInfo &= ~eDoomEntriesIfExpiredMask; }
bool WillDoomEntriesIfExpired() { return (0 != (mInfo & eDoomEntriesIfExpiredMask)); }
void MarkPrivate() { mInfo |= ePrivateMask; }
void MarkPublic() { mInfo &= ~ePrivateMask; }
bool IsPrivate() { return (mInfo & ePrivateMask) != 0; }
nsCacheStoragePolicy StoragePolicy()
{
return (nsCacheStoragePolicy)(mInfo & eStoragePolicyMask);
}
void SetStoragePolicy(nsCacheStoragePolicy policy)
{
NS_ASSERTION(policy <= 0xFF, "too many bits in nsCacheStoragePolicy");
mInfo &= ~eStoragePolicyMask; // clear storage policy bits
mInfo |= policy;
}
nsIFile* ProfileDir() { return mProfileDir; }
private:
nsCString mClientID;
uint32_t mInfo;
nsCOMPtr<nsIFile> mProfileDir;
};
#endif // _nsCacheSession_h_