import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

netwerk/cache/nsCacheSession.h

@@ -0,0 +1,67 @@
+/* -*- 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
+{
+    virtual ~nsCacheSession();
+
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSICACHESESSION
+    
+    nsCacheSession(const char * clientID, nsCacheStoragePolicy storagePolicy, bool streamBased);
+    
+    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_