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| 1 /* | 1 /* |
| 2 * Copyright (C) 2008, 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2008, 2009 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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| 49 class DOMWrapperWorld; | 49 class DOMWrapperWorld; |
| 50 class ExecutionContext; | 50 class ExecutionContext; |
| 51 class Event; | 51 class Event; |
| 52 class HTMLDocument; | 52 class HTMLDocument; |
| 53 class HTMLPlugInElement; | 53 class HTMLPlugInElement; |
| 54 class KURL; | 54 class KURL; |
| 55 class LocalFrame; | 55 class LocalFrame; |
| 56 class ScriptState; | 56 class ScriptState; |
| 57 class ScriptSourceCode; | 57 class ScriptSourceCode; |
| 58 class SecurityOrigin; | 58 class SecurityOrigin; |
| 59 class V8WindowShell; | 59 class WindowProxy; |
| 60 class Widget; | 60 class Widget; |
| 61 | 61 |
| 62 typedef WTF::Vector<v8::Extension*> V8Extensions; | 62 typedef WTF::Vector<v8::Extension*> V8Extensions; |
| 63 | 63 |
| 64 enum ReasonForCallingCanExecuteScripts { | 64 enum ReasonForCallingCanExecuteScripts { |
| 65 AboutToExecuteScript, | 65 AboutToExecuteScript, |
| 66 NotAboutToExecuteScript | 66 NotAboutToExecuteScript |
| 67 }; | 67 }; |
| 68 | 68 |
| 69 class ScriptController { | 69 class ScriptController { |
| 70 public: | 70 public: |
| 71 enum ExecuteScriptPolicy { | 71 enum ExecuteScriptPolicy { |
| 72 ExecuteScriptWhenScriptsDisabled, | 72 ExecuteScriptWhenScriptsDisabled, |
| 73 DoNotExecuteScriptWhenScriptsDisabled | 73 DoNotExecuteScriptWhenScriptsDisabled |
| 74 }; | 74 }; |
| 75 | 75 |
| 76 ScriptController(LocalFrame*); | 76 ScriptController(LocalFrame*); |
| 77 ~ScriptController(); | 77 ~ScriptController(); |
| 78 | 78 |
| 79 bool initializeMainWorld(); | 79 bool initializeMainWorld(); |
| 80 V8WindowShell* windowShell(DOMWrapperWorld&); | 80 WindowProxy* windowProxy(DOMWrapperWorld&); |
| 81 V8WindowShell* existingWindowShell(DOMWrapperWorld&); | 81 WindowProxy* existingWindowProxy(DOMWrapperWorld&); |
| 82 | 82 |
| 83 // Evaluate JavaScript in the main world. | 83 // Evaluate JavaScript in the main world. |
| 84 void executeScriptInMainWorld(const String&, ExecuteScriptPolicy = DoNotExec
uteScriptWhenScriptsDisabled); | 84 void executeScriptInMainWorld(const String&, ExecuteScriptPolicy = DoNotExec
uteScriptWhenScriptsDisabled); |
| 85 void executeScriptInMainWorld(const ScriptSourceCode&, AccessControlStatus =
NotSharableCrossOrigin); | 85 void executeScriptInMainWorld(const ScriptSourceCode&, AccessControlStatus =
NotSharableCrossOrigin); |
| 86 v8::Local<v8::Value> executeScriptInMainWorldAndReturnValue(const ScriptSour
ceCode&); | 86 v8::Local<v8::Value> executeScriptInMainWorldAndReturnValue(const ScriptSour
ceCode&); |
| 87 v8::Local<v8::Value> executeScriptAndReturnValue(v8::Handle<v8::Context>, co
nst ScriptSourceCode&, AccessControlStatus = NotSharableCrossOrigin); | 87 v8::Local<v8::Value> executeScriptAndReturnValue(v8::Handle<v8::Context>, co
nst ScriptSourceCode&, AccessControlStatus = NotSharableCrossOrigin); |
| 88 | 88 |
| 89 // Executes JavaScript in an isolated world. The script gets its own global
scope, | 89 // Executes JavaScript in an isolated world. The script gets its own global
scope, |
| 90 // its own prototypes for intrinsic JavaScript objects (String, Array, and s
o-on), | 90 // its own prototypes for intrinsic JavaScript objects (String, Array, and s
o-on), |
| 91 // and its own wrappers for all DOM nodes and DOM constructors. | 91 // and its own wrappers for all DOM nodes and DOM constructors. |
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| 117 | 117 |
| 118 static bool canAccessFromCurrentOrigin(LocalFrame*); | 118 static bool canAccessFromCurrentOrigin(LocalFrame*); |
| 119 | 119 |
| 120 static void setCaptureCallStackForUncaughtExceptions(bool); | 120 static void setCaptureCallStackForUncaughtExceptions(bool); |
| 121 void collectIsolatedContexts(Vector<std::pair<ScriptState*, SecurityOrigin*>
>&); | 121 void collectIsolatedContexts(Vector<std::pair<ScriptState*, SecurityOrigin*>
>&); |
| 122 | 122 |
| 123 bool canExecuteScripts(ReasonForCallingCanExecuteScripts); | 123 bool canExecuteScripts(ReasonForCallingCanExecuteScripts); |
| 124 | 124 |
| 125 TextPosition eventHandlerPosition() const; | 125 TextPosition eventHandlerPosition() const; |
| 126 | 126 |
| 127 void clearWindowShell(); | 127 void clearWindowProxy(); |
| 128 void updateDocument(); | 128 void updateDocument(); |
| 129 | 129 |
| 130 void namedItemAdded(HTMLDocument*, const AtomicString&); | 130 void namedItemAdded(HTMLDocument*, const AtomicString&); |
| 131 void namedItemRemoved(HTMLDocument*, const AtomicString&); | 131 void namedItemRemoved(HTMLDocument*, const AtomicString&); |
| 132 | 132 |
| 133 void updateSecurityOrigin(SecurityOrigin*); | 133 void updateSecurityOrigin(SecurityOrigin*); |
| 134 void clearScriptObjects(); | 134 void clearScriptObjects(); |
| 135 void cleanupScriptObjectsForPlugin(Widget*); | 135 void cleanupScriptObjectsForPlugin(Widget*); |
| 136 | 136 |
| 137 void clearForClose(); | 137 void clearForClose(); |
| 138 | 138 |
| 139 NPObject* createScriptObjectForPluginElement(HTMLPlugInElement*); | 139 NPObject* createScriptObjectForPluginElement(HTMLPlugInElement*); |
| 140 NPObject* windowScriptNPObject(); | 140 NPObject* windowScriptNPObject(); |
| 141 | 141 |
| 142 // Registers a v8 extension to be available on webpages. Will only | 142 // Registers a v8 extension to be available on webpages. Will only |
| 143 // affect v8 contexts initialized after this call. Takes ownership of | 143 // affect v8 contexts initialized after this call. Takes ownership of |
| 144 // the v8::Extension object passed. | 144 // the v8::Extension object passed. |
| 145 static void registerExtensionIfNeeded(v8::Extension*); | 145 static void registerExtensionIfNeeded(v8::Extension*); |
| 146 static V8Extensions& registeredExtensions(); | 146 static V8Extensions& registeredExtensions(); |
| 147 | 147 |
| 148 void setWorldDebugId(int worldId, int debuggerId); | 148 void setWorldDebugId(int worldId, int debuggerId); |
| 149 | 149 |
| 150 v8::Isolate* isolate() const { return m_isolate; } | 150 v8::Isolate* isolate() const { return m_isolate; } |
| 151 | 151 |
| 152 private: | 152 private: |
| 153 typedef HashMap<int, OwnPtr<V8WindowShell> > IsolatedWorldMap; | 153 typedef HashMap<int, OwnPtr<WindowProxy> > IsolatedWorldMap; |
| 154 typedef HashMap<Widget*, NPObject*> PluginObjectMap; | 154 typedef HashMap<Widget*, NPObject*> PluginObjectMap; |
| 155 | 155 |
| 156 v8::Local<v8::Value> evaluateScriptInMainWorld(const ScriptSourceCode&, Acce
ssControlStatus, ExecuteScriptPolicy); | 156 v8::Local<v8::Value> evaluateScriptInMainWorld(const ScriptSourceCode&, Acce
ssControlStatus, ExecuteScriptPolicy); |
| 157 | 157 |
| 158 LocalFrame* m_frame; | 158 LocalFrame* m_frame; |
| 159 const String* m_sourceURL; | 159 const String* m_sourceURL; |
| 160 v8::Isolate* m_isolate; | 160 v8::Isolate* m_isolate; |
| 161 | 161 |
| 162 OwnPtr<V8WindowShell> m_windowShell; | 162 OwnPtr<WindowProxy> m_windowProxy; |
| 163 IsolatedWorldMap m_isolatedWorlds; | 163 IsolatedWorldMap m_isolatedWorlds; |
| 164 | 164 |
| 165 // A mapping between Widgets and their corresponding script object. | 165 // A mapping between Widgets and their corresponding script object. |
| 166 // This list is used so that when the plugin dies, we can immediately | 166 // This list is used so that when the plugin dies, we can immediately |
| 167 // invalidate all sub-objects which are associated with that plugin. | 167 // invalidate all sub-objects which are associated with that plugin. |
| 168 // The frame keeps a NPObject reference for each item on the list. | 168 // The frame keeps a NPObject reference for each item on the list. |
| 169 PluginObjectMap m_pluginObjects; | 169 PluginObjectMap m_pluginObjects; |
| 170 | 170 |
| 171 NPObject* m_windowScriptNPObject; | 171 NPObject* m_windowScriptNPObject; |
| 172 }; | 172 }; |
| 173 | 173 |
| 174 } // namespace blink | 174 } // namespace blink |
| 175 | 175 |
| 176 #endif // ScriptController_h | 176 #endif // ScriptController_h |
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