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      1 /*
      2  * Copyright (C) 2011, Google 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 are met:
      6  *
      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 GOOGLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
     14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     16  * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
     17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     19  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     20  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
     23  * DAMAGE.
     24  */
     25 
     26 #ifndef DOMWindowIndexedDatabase_h
     27 #define DOMWindowIndexedDatabase_h
     28 
     29 #include "core/frame/DOMWindowProperty.h"
     30 #include "modules/indexeddb/IndexedDBClient.h"
     31 #include "platform/Supplementable.h"
     32 
     33 namespace blink {
     34 
     35 class IDBFactory;
     36 class LocalDOMWindow;
     37 
     38 class DOMWindowIndexedDatabase FINAL : public NoBaseWillBeGarbageCollected<DOMWindowIndexedDatabase>, public WillBeHeapSupplement<LocalDOMWindow>, public DOMWindowProperty {
     39     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DOMWindowIndexedDatabase);
     40     DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(DOMWindowIndexedDatabase);
     41 public:
     42     static DOMWindowIndexedDatabase& from(LocalDOMWindow&);
     43 
     44     static IDBFactory* indexedDB(LocalDOMWindow&);
     45 
     46     virtual void willDestroyGlobalObjectInFrame() OVERRIDE;
     47     virtual void willDetachGlobalObjectFromFrame() OVERRIDE;
     48 
     49     void trace(Visitor*);
     50 
     51 private:
     52     explicit DOMWindowIndexedDatabase(LocalDOMWindow&);
     53 
     54     IDBFactory* indexedDB();
     55     static const char* supplementName();
     56 
     57     LocalDOMWindow& m_window;
     58     PersistentWillBeMember<IDBFactory> m_idbFactory;
     59 };
     60 
     61 } // namespace blink
     62 
     63 #endif // DOMWindowIndexedDatabase_h
     64