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| 1 /* | |
| 2 * Copyright (C) 2008, 2009 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 ScriptController_h | |
| 32 #define ScriptController_h | |
| 33 | |
| 34 #include "bindings/v8/ScriptValue.h" | |
| 35 #include "bindings/v8/SharedPersistent.h" | |
| 36 | |
| 37 #include "core/fetch/CrossOriginAccessControl.h" | |
| 38 #include "wtf/Forward.h" | |
| 39 #include "wtf/HashMap.h" | |
| 40 #include "wtf/RefCounted.h" | |
| 41 #include "wtf/Vector.h" | |
| 42 #include "wtf/text/TextPosition.h" | |
| 43 #include <v8.h> | |
| 44 | |
| 45 struct NPObject; | |
| 46 | |
| 47 namespace WebCore { | |
| 48 | |
| 49 class DOMWrapperWorld; | |
| 50 class ExecutionContext; | |
| 51 class Event; | |
| 52 class HTMLDocument; | |
| 53 class HTMLPlugInElement; | |
| 54 class KURL; | |
| 55 class LocalFrame; | |
| 56 class ScriptState; | |
| 57 class ScriptSourceCode; | |
| 58 class SecurityOrigin; | |
| 59 class V8WindowShell; | |
| 60 class Widget; | |
| 61 | |
| 62 typedef WTF::Vector<v8::Extension*> V8Extensions; | |
| 63 | |
| 64 enum ReasonForCallingCanExecuteScripts { | |
| 65 AboutToExecuteScript, | |
| 66 NotAboutToExecuteScript | |
| 67 }; | |
| 68 | |
| 69 class ScriptController { | |
| 70 public: | |
| 71 enum ExecuteScriptPolicy { | |
| 72 ExecuteScriptWhenScriptsDisabled, | |
| 73 DoNotExecuteScriptWhenScriptsDisabled | |
| 74 }; | |
| 75 | |
| 76 ScriptController(LocalFrame*); | |
| 77 ~ScriptController(); | |
| 78 | |
| 79 bool initializeMainWorld(); | |
| 80 V8WindowShell* windowShell(DOMWrapperWorld&); | |
| 81 V8WindowShell* existingWindowShell(DOMWrapperWorld&); | |
| 82 | |
| 83 // Evaluate JavaScript in the main world. | |
| 84 void executeScriptInMainWorld(const String&, ExecuteScriptPolicy = DoNotExec
uteScriptWhenScriptsDisabled); | |
| 85 void executeScriptInMainWorld(const ScriptSourceCode&, AccessControlStatus =
NotSharableCrossOrigin); | |
| 86 v8::Local<v8::Value> executeScriptInMainWorldAndReturnValue(const ScriptSour
ceCode&); | |
| 87 v8::Local<v8::Value> executeScriptAndReturnValue(v8::Handle<v8::Context>, co
nst ScriptSourceCode&, AccessControlStatus = NotSharableCrossOrigin); | |
| 88 | |
| 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), | |
| 91 // and its own wrappers for all DOM nodes and DOM constructors. | |
| 92 // | |
| 93 // If an isolated world with the specified ID already exists, it is reused. | |
| 94 // Otherwise, a new world is created. | |
| 95 // | |
| 96 // FIXME: Get rid of extensionGroup here. | |
| 97 void executeScriptInIsolatedWorld(int worldID, const Vector<ScriptSourceCode
>& sources, int extensionGroup, Vector<v8::Local<v8::Value> >* results); | |
| 98 | |
| 99 // Returns true if argument is a JavaScript URL. | |
| 100 bool executeScriptIfJavaScriptURL(const KURL&); | |
| 101 | |
| 102 v8::Local<v8::Value> callFunction(v8::Handle<v8::Function>, v8::Handle<v8::V
alue>, int argc, v8::Handle<v8::Value> argv[]); | |
| 103 static v8::Local<v8::Value> callFunction(ExecutionContext*, v8::Handle<v8::F
unction>, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> info[]
, v8::Isolate*); | |
| 104 | |
| 105 // Returns true if the current world is isolated, and has its own Content | |
| 106 // Security Policy. In this case, the policy of the main world should be | |
| 107 // ignored when evaluating resources injected into the DOM. | |
| 108 bool shouldBypassMainWorldCSP(); | |
| 109 | |
| 110 // Creates a property of the global object of a frame. | |
| 111 void bindToWindowObject(LocalFrame*, const String& key, NPObject*); | |
| 112 | |
| 113 PassRefPtr<SharedPersistent<v8::Object> > createPluginWrapper(Widget*); | |
| 114 | |
| 115 void enableEval(); | |
| 116 void disableEval(const String& errorMessage); | |
| 117 | |
| 118 static bool canAccessFromCurrentOrigin(LocalFrame*); | |
| 119 | |
| 120 static void setCaptureCallStackForUncaughtExceptions(bool); | |
| 121 void collectIsolatedContexts(Vector<std::pair<ScriptState*, SecurityOrigin*>
>&); | |
| 122 | |
| 123 bool canExecuteScripts(ReasonForCallingCanExecuteScripts); | |
| 124 | |
| 125 TextPosition eventHandlerPosition() const; | |
| 126 | |
| 127 void clearWindowShell(); | |
| 128 void updateDocument(); | |
| 129 | |
| 130 void namedItemAdded(HTMLDocument*, const AtomicString&); | |
| 131 void namedItemRemoved(HTMLDocument*, const AtomicString&); | |
| 132 | |
| 133 void updateSecurityOrigin(SecurityOrigin*); | |
| 134 void clearScriptObjects(); | |
| 135 void cleanupScriptObjectsForPlugin(Widget*); | |
| 136 | |
| 137 void clearForClose(); | |
| 138 | |
| 139 NPObject* createScriptObjectForPluginElement(HTMLPlugInElement*); | |
| 140 NPObject* windowScriptNPObject(); | |
| 141 | |
| 142 // Registers a v8 extension to be available on webpages. Will only | |
| 143 // affect v8 contexts initialized after this call. Takes ownership of | |
| 144 // the v8::Extension object passed. | |
| 145 static void registerExtensionIfNeeded(v8::Extension*); | |
| 146 static V8Extensions& registeredExtensions(); | |
| 147 | |
| 148 bool setContextDebugId(int); | |
| 149 static int contextDebugId(v8::Handle<v8::Context>); | |
| 150 | |
| 151 v8::Isolate* isolate() const { return m_isolate; } | |
| 152 | |
| 153 private: | |
| 154 typedef HashMap<int, OwnPtr<V8WindowShell> > IsolatedWorldMap; | |
| 155 typedef HashMap<Widget*, NPObject*> PluginObjectMap; | |
| 156 | |
| 157 v8::Local<v8::Value> evaluateScriptInMainWorld(const ScriptSourceCode&, Acce
ssControlStatus, ExecuteScriptPolicy); | |
| 158 | |
| 159 LocalFrame* m_frame; | |
| 160 const String* m_sourceURL; | |
| 161 v8::Isolate* m_isolate; | |
| 162 | |
| 163 OwnPtr<V8WindowShell> m_windowShell; | |
| 164 IsolatedWorldMap m_isolatedWorlds; | |
| 165 | |
| 166 // A mapping between Widgets and their corresponding script object. | |
| 167 // This list is used so that when the plugin dies, we can immediately | |
| 168 // invalidate all sub-objects which are associated with that plugin. | |
| 169 // The frame keeps a NPObject reference for each item on the list. | |
| 170 PluginObjectMap m_pluginObjects; | |
| 171 | |
| 172 NPObject* m_windowScriptNPObject; | |
| 173 }; | |
| 174 | |
| 175 } // namespace WebCore | |
| 176 | |
| 177 #endif // ScriptController_h | |
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Chromium Code Reviews
Issue 351423002:
Moved files under Source/bindings/v8 to Source/bindings/core/v8. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk