WebCore/inspector/InspectorDOMStorageResource.h

/*
 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
 * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
 * Copyright (C) 2009 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef InspectorDOMStorageResource_h
#define InspectorDOMStorageResource_h

#if ENABLE(DOM_STORAGE)

#include "EventListener.h"

#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>

namespace WebCore {

    class Storage;
    class Frame;
    class InspectorFrontend;

    class InspectorDOMStorageResource : public EventListener {
    public:
        static PassRefPtr<InspectorDOMStorageResource> create(Storage* domStorage, bool isLocalStorage, Frame* frame)
        {
            return adoptRef(new InspectorDOMStorageResource(domStorage, isLocalStorage, frame));
        }
        static const InspectorDOMStorageResource* cast(const EventListener* listener)
        {
            return listener->type() == InspectorDOMStorageResourceType ? static_cast<const InspectorDOMStorageResource*>(listener) : 0;
        }

        void bind(InspectorFrontend* frontend);
        void unbind();
        void startReportingChangesToFrontend();

        virtual void handleEvent(ScriptExecutionContext*, Event*);
        virtual bool operator==(const EventListener& listener);

        bool isSameHostAndType(Frame*, bool isLocalStorage) const;
        long id() const { return m_id; }
        Storage* domStorage() const { return m_domStorage.get(); }

    private:

        InspectorDOMStorageResource(Storage*, bool isLocalStorage, Frame*);

        RefPtr<Storage> m_domStorage;
        bool m_isLocalStorage;
        RefPtr<Frame> m_frame;
        InspectorFrontend* m_frontend;
        int m_id;
        bool m_reportingChangesToFrontend;

        static int s_nextUnusedId;
    };

} // namespace WebCore

#endif

#endif // InspectorDOMStorageResource_h