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/platform/external/webkit/WebCore/bindings/v8/ScriptCachedFrameData.h

https://github.com/aharish/totoro-gb-opensource-update2
C Header | 91 lines | 39 code | 17 blank | 35 comment | 0 complexity | b09e115f46a94d0862d70a4ab09eceb9 MD5 | raw file
 1/*
 2 * Copyright (C) 2010 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
 6 * met:
 7 *
 8 *     * Redistributions of source code must retain the above copyright
 9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef ScriptCachedFrameData_h
32#define ScriptCachedFrameData_h
33
34#if PLATFORM(CHROMIUM)
35// We don't use WebKit's page caching, so this implementation is just a stub.
36
37namespace WebCore {
38
39class Frame;
40class DOMWindow;
41
42class ScriptCachedFrameData  {
43public:
44    ScriptCachedFrameData(Frame*) { }
45    ~ScriptCachedFrameData() { }
46
47    void restore(Frame*) { }
48    void clear() { }
49    DOMWindow* domWindow() const { return 0; }
50};
51
52} // namespace WebCore
53
54#elif PLATFORM(ANDROID)
55// FIXME: the right guard should be ENABLE(PAGE_CACHE). Replace with the right guard, once
56// https://bugs.webkit.org/show_bug.cgi?id=35061 is fixed.
57//
58// On Android we do use WebKit's page cache. For now we don't support isolated worlds
59// so our implementation does not take them into account.
60
61#include "OwnHandle.h"
62#include <v8.h>
63#include <wtf/Noncopyable.h>
64
65namespace WebCore {
66
67class Frame;
68class DOMWindow;
69
70class ScriptCachedFrameData  : public Noncopyable {
71public:
72    ScriptCachedFrameData(Frame*);
73    ~ScriptCachedFrameData() { }
74
75    void restore(Frame*);
76    void clear();
77    DOMWindow* domWindow() const;
78
79private:
80    OwnHandle<v8::Object> m_global;
81    OwnHandle<v8::Context> m_context;
82    DOMWindow* m_domWindow;
83};
84
85} // namespace WebCore
86
87#else
88#error You need to consider whether you want Page Cache and either add a stub or a real implementation.
89#endif // PLATFORM(CHROMIUM)
90
91#endif // ScriptCachedFrameData_h