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1 /*
2  * Copyright (C) 2007 Apple Inc. All rights reserved.
3  * Copyright (C) 2009-2011 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 "PlatformString.h"
34 #include "ScriptState.h"
35 
36 #include <wtf/Forward.h>
37 #include <wtf/HashMap.h>
38 
39 namespace WebCore {
40 
41 class InjectedScript;
42 class InjectedScriptHost;
43 class InspectorObject;
44 class ScriptObject;
45 
46 class InjectedScriptManager {
47     WTF_MAKE_NONCOPYABLE(InjectedScriptManager);
48 public:
49     static PassOwnPtr<InjectedScriptManager> createForPage();
50     static PassOwnPtr<InjectedScriptManager> createForWorker();
51     ~InjectedScriptManager();
52 
53     void disconnect();
54 
55     InjectedScriptHost* injectedScriptHost();
56 
57     pair<long, ScriptObject> injectScript(const String& source, ScriptState*);
58     InjectedScript injectedScriptFor(ScriptState*);
59     InjectedScript injectedScriptForId(long);
60     InjectedScript injectedScriptForObjectId(const String& objectId);
61     void discardInjectedScripts();
62     void releaseObjectGroup(const String& objectGroup);
63 
64 
65 private:
66     typedef bool (*InspectedStateAccessCheck)(ScriptState*);
67     explicit InjectedScriptManager(InspectedStateAccessCheck);
68 
69     String injectedScriptSource();
70     ScriptObject createInjectedScript(const String& source, ScriptState*, long id);
71     void discardInjectedScript(ScriptState*);
72 
73     static bool canAccessInspectedWindow(ScriptState*);
74     static bool canAccessInspectedWorkerContext(ScriptState*);
75 
76     long m_nextInjectedScriptId;
77     typedef HashMap<long, InjectedScript> IdToInjectedScriptMap;
78     IdToInjectedScriptMap m_idToInjectedScript;
79     RefPtr<InjectedScriptHost> m_injectedScriptHost;
80     InspectedStateAccessCheck m_inspectedStateAccessCheck;
81 };
82 
83 } // namespace WebCore
84 
85 #endif // !defined(InjectedScriptManager_h)
86