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/core/v8/ScriptState.h" 34 #include "wtf/Forward.h" 35 #include "wtf/HashMap.h" 36 #include "wtf/text/WTFString.h" 37 #include <v8.h> 38 39 namespace blink { 40 41 class LocalDOMWindow; 42 class InjectedScript; 43 class InjectedScriptHost; 44 class ScriptValue; 45 46 class InjectedScriptManager : public NoBaseWillBeGarbageCollectedFinalized<InjectedScriptManager> { 47 WTF_MAKE_NONCOPYABLE(InjectedScriptManager); 48 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; 49 public: 50 struct CallbackData { 51 ScopedPersistent<v8::Object> handle; 52 #if ENABLE(OILPAN) 53 WrapperPersistent<InjectedScriptHost>* hostPtr; 54 #else 55 RefPtr<InjectedScriptHost> host; 56 #endif 57 InjectedScriptManager* injectedScriptManager; 58 59 #if ENABLE(OILPAN) CallbackDataCallbackData60 CallbackData() : hostPtr(0) { } 61 ~CallbackData(); 62 #endif 63 }; 64 65 static PassOwnPtrWillBeRawPtr<InjectedScriptManager> createForPage(); 66 static PassOwnPtrWillBeRawPtr<InjectedScriptManager> createForWorker(); 67 ~InjectedScriptManager(); 68 void trace(Visitor*); 69 70 void disconnect(); 71 72 InjectedScriptHost* injectedScriptHost(); 73 74 InjectedScript injectedScriptFor(ScriptState*); 75 InjectedScript injectedScriptForId(int); 76 int injectedScriptIdFor(ScriptState*); 77 InjectedScript injectedScriptForObjectId(const String& objectId); 78 void discardInjectedScripts(); 79 void discardInjectedScriptsFor(LocalDOMWindow*); 80 void releaseObjectGroup(const String& objectGroup); 81 82 typedef bool (*InspectedStateAccessCheck)(ScriptState*); inspectedStateAccessCheck()83 InspectedStateAccessCheck inspectedStateAccessCheck() const { return m_inspectedStateAccessCheck; } 84 85 static void setWeakCallback(const v8::WeakCallbackData<v8::Object, CallbackData>&); 86 CallbackData* createCallbackData(InjectedScriptManager*); 87 void removeCallbackData(CallbackData*); 88 89 private: 90 explicit InjectedScriptManager(InspectedStateAccessCheck); 91 92 String injectedScriptSource(); 93 ScriptValue createInjectedScript(const String& source, ScriptState*, int id); 94 95 static bool canAccessInspectedWindow(ScriptState*); 96 static bool canAccessInspectedWorkerGlobalScope(ScriptState*); 97 98 int m_nextInjectedScriptId; 99 typedef HashMap<int, InjectedScript> IdToInjectedScriptMap; 100 IdToInjectedScriptMap m_idToInjectedScript; 101 RefPtrWillBeMember<InjectedScriptHost> m_injectedScriptHost; 102 InspectedStateAccessCheck m_inspectedStateAccessCheck; 103 typedef HashMap<RefPtr<ScriptState>, int> ScriptStateToId; 104 ScriptStateToId m_scriptStateToId; 105 HashSet<OwnPtr<CallbackData> > m_callbackDataSet; 106 }; 107 108 } // namespace blink 109 110 #endif // !defined(InjectedScriptManager_h) 111