diff options
Diffstat (limited to 'WebCore/bindings/js/ScriptController.cpp')
| -rw-r--r-- | WebCore/bindings/js/ScriptController.cpp | 193 |
1 files changed, 154 insertions, 39 deletions
diff --git a/WebCore/bindings/js/ScriptController.cpp b/WebCore/bindings/js/ScriptController.cpp index 45f8c75..b0696ba 100644 --- a/WebCore/bindings/js/ScriptController.cpp +++ b/WebCore/bindings/js/ScriptController.cpp @@ -21,6 +21,7 @@ #include "config.h" #include "ScriptController.h" +#include "CString.h" #include "Event.h" #include "EventNames.h" #include "Frame.h" @@ -54,6 +55,7 @@ ScriptController::ScriptController(Frame* frame) : m_frame(frame) , m_handlerLineNumber(0) , m_sourceURL(0) + , m_inExecuteScript(false) , m_processingTimerCallback(false) , m_paused(false) , m_allowPopupsFromPlugin(false) @@ -76,8 +78,11 @@ ScriptController::ScriptController(Frame* frame) ScriptController::~ScriptController() { - if (m_windowShell) { - m_windowShell = 0; + if (!m_windowShells.isEmpty()) { + for (ShellMap::iterator iter = m_windowShells.begin(); iter != m_windowShells.end(); ++iter) + iter->first->forgetScriptController(this); + + m_windowShells.clear(); // It's likely that releasing the global object has created a lot of garbage. gcController().garbageCollectSoon(); @@ -86,11 +91,11 @@ ScriptController::~ScriptController() disconnectPlatformScriptObjects(); } -ScriptValue ScriptController::evaluate(const ScriptSourceCode& sourceCode) +ScriptValue ScriptController::evaluateInWorld(const ScriptSourceCode& sourceCode, DOMWrapperWorld* world) { const SourceCode& jsSourceCode = sourceCode.jsSourceCode(); String sourceURL = jsSourceCode.provider()->url(); - + if (!m_XSSAuditor->canEvaluate(sourceCode.source())) { // This script is not safe to be evaluated. return JSValue(); @@ -99,12 +104,12 @@ ScriptValue ScriptController::evaluate(const ScriptSourceCode& sourceCode) // evaluate code. Returns the JS return value or 0 // if there was none, an error occured or the type couldn't be converted. - initScriptIfNeeded(); // inlineCode is true for <a href="javascript:doSomething()"> // and false for <script>doSomething()</script>. Check if it has the // expected value in all cases. // See smart window.open policy for where this is used. - ExecState* exec = m_windowShell->window()->globalExec(); + JSDOMWindowShell* shell = windowShell(world); + ExecState* exec = shell->window()->globalExec(); const String* savedSourceURL = m_sourceURL; m_sourceURL = &sourceURL; @@ -112,9 +117,9 @@ ScriptValue ScriptController::evaluate(const ScriptSourceCode& sourceCode) RefPtr<Frame> protect = m_frame; - m_windowShell->window()->globalData()->timeoutChecker.start(); - Completion comp = JSC::evaluate(exec, exec->dynamicGlobalObject()->globalScopeChain(), jsSourceCode, m_windowShell); - m_windowShell->window()->globalData()->timeoutChecker.stop(); + exec->globalData().timeoutChecker.start(); + Completion comp = WebCore::evaluateInWorld(exec, exec->dynamicGlobalObject()->globalScopeChain(), jsSourceCode, shell, world); + exec->globalData().timeoutChecker.stop(); // Evaluating the JavaScript could cause the frame to be deallocated // so we start the keep alive timer here. @@ -132,52 +137,114 @@ ScriptValue ScriptController::evaluate(const ScriptSourceCode& sourceCode) return JSValue(); } -void ScriptController::evaluateInIsolatedWorld(unsigned /* worldID */, const Vector<ScriptSourceCode>& sourceCode) +ScriptValue ScriptController::evaluate(const ScriptSourceCode& sourceCode) +{ + return evaluateInWorld(sourceCode, mainThreadNormalWorld()); +} + +// An DOMWrapperWorld other than the thread's normal world. +class IsolatedWorld : public DOMWrapperWorld { +public: + IsolatedWorld(JSGlobalData* globalData) + : DOMWrapperWorld(globalData) + { + JSGlobalData::ClientData* clientData = globalData->clientData; + ASSERT(clientData); + static_cast<WebCoreJSClientData*>(clientData)->rememberWorld(this); + } + + static PassRefPtr<IsolatedWorld> create(JSGlobalData* globalData) { return adoptRef(new IsolatedWorld(globalData)); } +}; + +static PassRefPtr<IsolatedWorld> findWorld(unsigned worldID) +{ + if (!worldID) + return IsolatedWorld::create(JSDOMWindow::commonJSGlobalData()); + + typedef HashMap<unsigned, RefPtr<IsolatedWorld> > WorldMap; + DEFINE_STATIC_LOCAL(WorldMap, isolatedWorlds, ()); + + WorldMap::iterator iter = isolatedWorlds.find(worldID); + if (iter != isolatedWorlds.end()) + return iter->second; + + RefPtr<IsolatedWorld> newWorld = IsolatedWorld::create(JSDOMWindow::commonJSGlobalData()); + isolatedWorlds.add(worldID, newWorld); + return newWorld; +} + +JSDOMWindow* ScriptController::globalObject(unsigned worldID) +{ + RefPtr<DOMWrapperWorld> world = findWorld(worldID); + return windowShell(world.get())->window(); +} + +ScriptValue ScriptController::evaluateInIsolatedWorld(unsigned worldID, const ScriptSourceCode& sourceCode) +{ + RefPtr<DOMWrapperWorld> world = findWorld(worldID); + return evaluateInWorld(sourceCode, world.get()); +} + +void ScriptController::evaluateInIsolatedWorld(unsigned worldID, const Vector<ScriptSourceCode>& sourceCode) { - // FIXME: Actually support isolated worlds! + RefPtr<DOMWrapperWorld> world = findWorld(worldID); + unsigned size = sourceCode.size(); for (unsigned i = 0; i < size; ++i) - evaluate(sourceCode[i]); + evaluateInWorld(sourceCode[i], world.get()); } void ScriptController::clearWindowShell() { - if (!m_windowShell) + if (m_windowShells.isEmpty()) return; JSLock lock(SilenceAssertionsOnly); // Clear the debugger from the current window before setting the new window. + DOMWrapperWorld* debugWorld = debuggerWorld(); attachDebugger(0); - m_windowShell->window()->willRemoveFromWindowShell(); - m_windowShell->setWindow(m_frame->domWindow()); + for (ShellMap::iterator iter = m_windowShells.begin(); iter != m_windowShells.end(); ++iter) { + DOMWrapperWorld* world = iter->first; + JSDOMWindowShell* windowShell = iter->second; + windowShell->window()->willRemoveFromWindowShell(); + windowShell->setWindow(m_frame->domWindow()); - if (Page* page = m_frame->page()) { - attachDebugger(page->debugger()); - m_windowShell->window()->setProfileGroup(page->group().identifier()); + if (Page* page = m_frame->page()) { + if (world == debugWorld) + attachDebugger(page->debugger()); + windowShell->window()->setProfileGroup(page->group().identifier()); + } } // There is likely to be a lot of garbage now. gcController().garbageCollectSoon(); } -void ScriptController::initScript() +JSDOMWindowShell* ScriptController::initScript(DOMWrapperWorld* world) { - if (m_windowShell) - return; + ASSERT(!m_windowShells.contains(world)); JSLock lock(SilenceAssertionsOnly); - m_windowShell = new JSDOMWindowShell(m_frame->domWindow()); - m_windowShell->window()->updateDocument(); + JSDOMWindowShell* windowShell = new JSDOMWindowShell(m_frame->domWindow()); + m_windowShells.add(world, windowShell); + world->rememberScriptController(this); + windowShell->window()->updateDocument(world); if (Page* page = m_frame->page()) { - attachDebugger(page->debugger()); - m_windowShell->window()->setProfileGroup(page->group().identifier()); + if (world == debuggerWorld()) + attachDebugger(page->debugger()); + windowShell->window()->setProfileGroup(page->group().identifier()); } - m_frame->loader()->dispatchWindowObjectAvailable(); + { + EnterDOMWrapperWorld worldEntry(*JSDOMWindow::commonJSGlobalData(), world); + m_frame->loader()->dispatchWindowObjectAvailable(); + } + + return windowShell; } bool ScriptController::processingUserGesture() const @@ -187,10 +254,14 @@ bool ScriptController::processingUserGesture() const bool ScriptController::processingUserGestureEvent() const { - if (!m_windowShell) + JSDOMWindowShell* shell = existingWindowShell(mainThreadNormalWorld()); + if (!shell) return false; - if (Event* event = m_windowShell->window()->currentEvent()) { + if (Event* event = shell->window()->currentEvent()) { + if (event->createdByDOM()) + return false; + const AtomicString& type = event->type(); if ( // mouse events type == eventNames().clickEvent || type == eventNames().mousedownEvent || @@ -250,13 +321,16 @@ bool ScriptController::isEnabled() void ScriptController::attachDebugger(JSC::Debugger* debugger) { - if (!m_windowShell) + // FIXME: Should be able to debug isolated worlds. + JSDOMWindowShell* shell = existingWindowShell(debuggerWorld()); + if (!shell) return; + JSDOMWindow* globalObject = shell->window(); if (debugger) - debugger->attach(m_windowShell->window()); - else if (JSC::Debugger* currentDebugger = m_windowShell->window()->debugger()) - currentDebugger->detach(m_windowShell->window()); + debugger->attach(globalObject); + else if (JSC::Debugger* currentDebugger = globalObject->debugger()) + currentDebugger->detach(globalObject); } void ScriptController::updateDocument() @@ -265,8 +339,8 @@ void ScriptController::updateDocument() return; JSLock lock(SilenceAssertionsOnly); - if (m_windowShell) - m_windowShell->window()->updateDocument(); + for (ShellMap::iterator iter = m_windowShells.begin(); iter != m_windowShells.end(); ++iter) + iter->second->window()->updateDocument(iter->first); } void ScriptController::updateSecurityOrigin() @@ -281,7 +355,7 @@ Bindings::RootObject* ScriptController::bindingRootObject() if (!m_bindingRootObject) { JSLock lock(SilenceAssertionsOnly); - m_bindingRootObject = Bindings::RootObject::create(0, globalObject()); + m_bindingRootObject = Bindings::RootObject::create(0, globalObject(pluginWorld())); } return m_bindingRootObject.get(); } @@ -292,7 +366,7 @@ PassRefPtr<Bindings::RootObject> ScriptController::createRootObject(void* native if (it != m_rootObjects.end()) return it->second; - RefPtr<Bindings::RootObject> rootObject = Bindings::RootObject::create(nativeHandle, globalObject()); + RefPtr<Bindings::RootObject> rootObject = Bindings::RootObject::create(nativeHandle, globalObject(pluginWorld())); m_rootObjects.set(nativeHandle, rootObject); return rootObject.release(); @@ -307,7 +381,7 @@ NPObject* ScriptController::windowScriptNPObject() // JavaScript is enabled, so there is a JavaScript window object. // Return an NPObject bound to the window object. JSC::JSLock lock(SilenceAssertionsOnly); - JSObject* win = windowShell()->window(); + JSObject* win = windowShell(pluginWorld())->window(); ASSERT(win); Bindings::RootObject* root = bindingRootObject(); m_windowScriptNPObject = _NPN_CreateScriptObject(0, win, root); @@ -341,8 +415,9 @@ JSObject* ScriptController::jsObjectForPluginElement(HTMLPlugInElement* plugin) // Create a JSObject bound to this element JSLock lock(SilenceAssertionsOnly); - ExecState* exec = globalObject()->globalExec(); - JSValue jsElementValue = toJS(exec, globalObject(), plugin); + JSDOMWindow* globalObj = globalObject(pluginWorld()); + // FIXME: is normal okay? - used for NP plugins? + JSValue jsElementValue = toJS(globalObj->globalExec(), globalObj, plugin); if (!jsElementValue || !jsElementValue.isObject()) return 0; @@ -398,4 +473,44 @@ void ScriptController::clearScriptObjects() #endif } +ScriptValue ScriptController::executeScriptInIsolatedWorld(unsigned worldID, const String& script, bool forceUserGesture) +{ + ScriptSourceCode sourceCode(script, forceUserGesture ? KURL() : m_frame->loader()->url()); + + if (!isEnabled() || isPaused()) + return ScriptValue(); + + bool wasInExecuteScript = m_inExecuteScript; + m_inExecuteScript = true; + + ScriptValue result = evaluateInIsolatedWorld(worldID, sourceCode); + + if (!wasInExecuteScript) { + m_inExecuteScript = false; + Document::updateStyleForAllDocuments(); + } + + return result; +} + +ScriptValue ScriptController::executeScriptInIsolatedWorld(DOMWrapperWorld* world, const String& script, bool forceUserGesture) +{ + ScriptSourceCode sourceCode(script, forceUserGesture ? KURL() : m_frame->loader()->url()); + + if (!isEnabled() || isPaused()) + return ScriptValue(); + + bool wasInExecuteScript = m_inExecuteScript; + m_inExecuteScript = true; + + ScriptValue result = evaluateInWorld(sourceCode, world); + + if (!wasInExecuteScript) { + m_inExecuteScript = false; + Document::updateStyleForAllDocuments(); + } + + return result; +} + } // namespace WebCore |