Mac-4.7.4/src/3rdparty/webkit/WebCore/bindings/js/ScriptCachedFrameData.h

/*
 * Copyright (c) 2008, Google Inc. All rights reserved.
 * Copyright (C) 2008 Apple 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:
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 * notice, this list of conditions and the following disclaimer.
 *     * 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.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
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#ifndef ScriptCachedFrameData_h
#define ScriptCachedFrameData_h

#include <runtime/Protect.h>

namespace WebCore {
    class Frame;
    class JSDOMWindow;
    class DOMWindow;
    class DOMWrapperWorld;

    class ScriptCachedFrameData  : public Noncopyable {
        typedef HashMap< RefPtr<DOMWrapperWorld>, JSC::ProtectedPtr<JSDOMWindow> > JSDOMWindowSet;

    public:
        ScriptCachedFrameData(Frame*);
        ~ScriptCachedFrameData();

        void restore(Frame*);
        void clear();
        DOMWindow* domWindow() const;

    private:
        JSDOMWindowSet m_windows;
        DOMWindow* m_domWindow;
    };

} // namespace WebCore

#endif // ScriptCachedFrameData_h