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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