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      1 /*
      2  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
      3  * Copyright (C) 2008 Matt Lilek <webkit (at) mattlilek.com>
      4  * Copyright (C) 2009 Google Inc. All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  *
     10  * 1.  Redistributions of source code must retain the above copyright
     11  *     notice, this list of conditions and the following disclaimer.
     12  * 2.  Redistributions in binary form must reproduce the above copyright
     13  *     notice, this list of conditions and the following disclaimer in the
     14  *     documentation and/or other materials provided with the distribution.
     15  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     16  *     its contributors may be used to endorse or promote products derived
     17  *     from this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     20  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     22  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     26  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef InspectorDOMStorageResource_h
     32 #define InspectorDOMStorageResource_h
     33 
     34 #if ENABLE(DOM_STORAGE)
     35 
     36 #include "EventListener.h"
     37 #include "InspectorFrontend.h"
     38 
     39 #include <wtf/PassRefPtr.h>
     40 #include <wtf/RefCounted.h>
     41 #include <wtf/RefPtr.h>
     42 
     43 namespace WebCore {
     44 
     45     class Storage;
     46     class Frame;
     47     class InspectorFrontend;
     48 
     49     class InspectorDOMStorageResource : public EventListener {
     50     public:
     51         static PassRefPtr<InspectorDOMStorageResource> create(Storage* domStorage, bool isLocalStorage, Frame* frame)
     52         {
     53             return adoptRef(new InspectorDOMStorageResource(domStorage, isLocalStorage, frame));
     54         }
     55 
     56         static const InspectorDOMStorageResource* cast(const EventListener* listener)
     57         {
     58             return listener->type() == InspectorDOMStorageResourceType ? static_cast<const InspectorDOMStorageResource*>(listener) : 0;
     59         }
     60 
     61         void bind(InspectorFrontend* frontend);
     62         void unbind();
     63         void startReportingChangesToFrontend();
     64 
     65         virtual void handleEvent(ScriptExecutionContext*, Event*);
     66         virtual bool operator==(const EventListener& listener);
     67 
     68         bool isSameHostAndType(Frame*, bool isLocalStorage) const;
     69         int id() const { return m_id; }
     70         Storage* domStorage() const { return m_domStorage.get(); }
     71 
     72     private:
     73 
     74         InspectorDOMStorageResource(Storage*, bool isLocalStorage, Frame*);
     75 
     76         RefPtr<Storage> m_domStorage;
     77         bool m_isLocalStorage;
     78         RefPtr<Frame> m_frame;
     79         InspectorFrontend::DOMStorage* m_frontend;
     80         int m_id;
     81         bool m_reportingChangesToFrontend;
     82 
     83         static int s_nextUnusedId;
     84     };
     85 
     86 } // namespace WebCore
     87 
     88 #endif
     89 
     90 #endif // InspectorDOMStorageResource_h
     91