1/*
2 * Copyright (C) 2007 Apple Inc. All rights reserved.
3 * Copyright (C) 2012 Google 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
7 * are met:
8 *
9 * 1.  Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 * 2.  Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
15 *     its contributors may be used to endorse or promote products derived
16 *     from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef InjectedScriptManager_h
31#define InjectedScriptManager_h
32
33#include "bindings/v8/ScriptState.h"
34#include "wtf/Forward.h"
35#include "wtf/HashMap.h"
36#include "wtf/text/WTFString.h"
37
38namespace WebCore {
39
40class DOMWindow;
41class InjectedScript;
42class InjectedScriptHost;
43class ScriptObject;
44
45class InjectedScriptManager {
46    WTF_MAKE_NONCOPYABLE(InjectedScriptManager); WTF_MAKE_FAST_ALLOCATED;
47public:
48    static PassOwnPtr<InjectedScriptManager> createForPage();
49    static PassOwnPtr<InjectedScriptManager> createForWorker();
50    ~InjectedScriptManager();
51
52    void disconnect();
53
54    InjectedScriptHost* injectedScriptHost();
55
56    InjectedScript injectedScriptFor(ScriptState*);
57    InjectedScript injectedScriptForId(int);
58    int injectedScriptIdFor(ScriptState*);
59    InjectedScript injectedScriptForObjectId(const String& objectId);
60    void discardInjectedScripts();
61    void discardInjectedScriptsFor(DOMWindow*);
62    void releaseObjectGroup(const String& objectGroup);
63
64    typedef bool (*InspectedStateAccessCheck)(ScriptState*);
65    InspectedStateAccessCheck inspectedStateAccessCheck() const { return m_inspectedStateAccessCheck; }
66
67    static void makeWeakCallback(v8::Isolate*, v8::Persistent<v8::Object>*, InjectedScriptHost*);
68private:
69    explicit InjectedScriptManager(InspectedStateAccessCheck);
70
71    String injectedScriptSource();
72    ScriptObject createInjectedScript(const String& source, ScriptState*, int id);
73
74    static bool canAccessInspectedWindow(ScriptState*);
75    static bool canAccessInspectedWorkerGlobalScope(ScriptState*);
76
77    int m_nextInjectedScriptId;
78    typedef HashMap<int, InjectedScript> IdToInjectedScriptMap;
79    IdToInjectedScriptMap m_idToInjectedScript;
80    RefPtr<InjectedScriptHost> m_injectedScriptHost;
81    InspectedStateAccessCheck m_inspectedStateAccessCheck;
82    typedef HashMap<ScriptState*, int> ScriptStateToId;
83    ScriptStateToId m_scriptStateToId;
84};
85
86} // namespace WebCore
87
88#endif // !defined(InjectedScriptManager_h)
89