src/3rdparty/webkit/WebCore/storage/SessionStorage.h

   1 /*
   2  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef SessionStorage_h
  27 #define SessionStorage_h
  28
  29 #if ENABLE(DOM_STORAGE)
  30
  31 #include "SecurityOriginHash.h"
  32 #include "SessionStorageArea.h"
  33
  34 #include <wtf/HashMap.h>
  35 #include <wtf/RefCounted.h>
  36
  37 namespace WebCore {
  38
  39     class Page;
  40
  41     class SessionStorage : public RefCounted<SessionStorage> {
  42     public:
  43         static PassRefPtr<SessionStorage> create(Page*);
  44         PassRefPtr<SessionStorage> copy(Page*);
  45
  46         PassRefPtr<StorageArea> storageArea(SecurityOrigin*);
  47
  48 #ifndef NDEBUG
  49         Page* page() { return m_page; }
  50 #endif
  51
  52     private:
  53         SessionStorage(Page*);
  54
  55         void dispatchStorageEvent(StorageArea*, const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame);
  56
  57         Page* m_page;
  58
  59         typedef HashMap<RefPtr<SecurityOrigin>, RefPtr<SessionStorageArea>, SecurityOriginHash> SessionStorageAreaMap;
  60         SessionStorageAreaMap m_storageAreaMap;
  61     };
  62
  63 } // namespace WebCore
  64
  65 #endif // ENABLE(DOM_STORAGE)
  66
  67 #endif // SessionStorage_h