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      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 InjectedScript_h
     32 #define InjectedScript_h
     33 
     34 #include "InjectedScriptManager.h"
     35 #include "ScriptObject.h"
     36 #include <wtf/Forward.h>
     37 #include <wtf/Noncopyable.h>
     38 #include <wtf/PassRefPtr.h>
     39 #include <wtf/RefPtr.h>
     40 
     41 namespace WebCore {
     42 
     43 class InspectorArray;
     44 class InspectorObject;
     45 class InspectorValue;
     46 class Node;
     47 class ScriptFunctionCall;
     48 
     49 typedef String ErrorString;
     50 
     51 class InjectedScript {
     52 public:
     53     InjectedScript();
     54     ~InjectedScript() { }
     55 
     56     bool hasNoValue() const { return m_injectedScriptObject.hasNoValue(); }
     57 
     58     void evaluate(ErrorString*, const String& expression, const String& objectGroup, bool includeCommandLineAPI, RefPtr<InspectorObject>* result);
     59     void evaluateOn(ErrorString*, const String& objectId, const String& expression, RefPtr<InspectorObject>* result);
     60     void evaluateOnCallFrame(ErrorString*, const String& callFrameId, const String& expression, const String& objectGroup, bool includeCommandLineAPI, RefPtr<InspectorObject>* result);
     61     void getProperties(ErrorString*, const String& objectId, bool ignoreHasOwnProperty, RefPtr<InspectorArray>* result);
     62     Node* nodeForObjectId(const String& objectId);
     63     void setPropertyValue(ErrorString*, const String& objectId, const String& propertyName, const String& expression);
     64     void releaseObject(const String& objectId);
     65 
     66 #if ENABLE(JAVASCRIPT_DEBUGGER)
     67     PassRefPtr<InspectorArray> callFrames();
     68 #endif
     69 
     70     PassRefPtr<InspectorObject> wrapObject(ScriptValue, const String& groupName);
     71     PassRefPtr<InspectorObject> wrapNode(Node*);
     72     void inspectNode(Node*);
     73     void releaseObjectGroup(const String&);
     74     ScriptState* scriptState() const { return m_injectedScriptObject.scriptState(); }
     75 
     76 private:
     77     friend InjectedScript InjectedScriptManager::injectedScriptFor(ScriptState*);
     78     typedef bool (*InspectedStateAccessCheck)(ScriptState*);
     79     InjectedScript(ScriptObject, InspectedStateAccessCheck);
     80 
     81     bool canAccessInspectedWindow();
     82     void makeCall(ScriptFunctionCall&, RefPtr<InspectorValue>* result);
     83     void makeObjectCall(ErrorString*, ScriptFunctionCall&, RefPtr<InspectorObject>* result);
     84     ScriptValue nodeAsScriptValue(Node*);
     85 
     86     ScriptObject m_injectedScriptObject;
     87     InspectedStateAccessCheck m_inspectedStateAccessCheck;
     88 };
     89 
     90 } // namespace WebCore
     91 
     92 #endif
     93