ScriptCachedFrameData.h revision 2daae5fd11344eaa88a0d92b0f6d65f8d2255c00 
1/*
2 * Copyright (c) 2008, Google Inc. All rights reserved.
3 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef ScriptCachedFrameData_h
33#define ScriptCachedFrameData_h
34
35#include <heap/Strong.h>
36#include <wtf/HashMap.h>
37
38namespace WebCore {
39    class Frame;
40    class JSDOMWindow;
41    class DOMWindow;
42    class DOMWrapperWorld;
43
44    class ScriptCachedFrameData {
45        WTF_MAKE_NONCOPYABLE(ScriptCachedFrameData); WTF_MAKE_FAST_ALLOCATED;
46        typedef HashMap< RefPtr<DOMWrapperWorld>, JSC::Strong<JSDOMWindow> > JSDOMWindowSet;
47
48    public:
49        ScriptCachedFrameData(Frame*);
50        ~ScriptCachedFrameData();
51
52        void restore(Frame*);
53        void clear();
54        DOMWindow* domWindow() const;
55
56    private:
57        JSDOMWindowSet m_windows;
58        DOMWindow* m_domWindow;
59    };
60
61} // namespace WebCore
62
63#endif // ScriptCachedFrameData_h
64