/* * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "DOMWindow.h" #include "BarInfo.h" #include "BeforeUnloadEvent.h" #include "CSSComputedStyleDeclaration.h" #include "CSSRuleList.h" #include "CSSStyleSelector.h" #include "CString.h" #include "Chrome.h" #include "Console.h" #include "DOMSelection.h" #include "DOMTimer.h" #include "Document.h" #include "Element.h" #include "EventException.h" #include "EventListener.h" #include "EventNames.h" #include "ExceptionCode.h" #include "FloatRect.h" #include "Frame.h" #include "FrameLoader.h" #include "FrameTree.h" #include "FrameView.h" #include "HTMLFrameOwnerElement.h" #include "History.h" #include "InspectorController.h" #include "Location.h" #include "MessageEvent.h" #include "Navigator.h" #include "Page.h" #include "PageGroup.h" #include "PlatformScreen.h" #include "PlatformString.h" #include "Screen.h" #include "SecurityOrigin.h" #include "Settings.h" #include "SuddenTermination.h" #include "WebKitPoint.h" #include #include #if ENABLE(DATABASE) #include "Database.h" #endif #if ENABLE(DOM_STORAGE) #include "Storage.h" #include "StorageArea.h" #include "StorageNamespace.h" #endif #if ENABLE(OFFLINE_WEB_APPLICATIONS) #include "DOMApplicationCache.h" #endif using std::min; using std::max; namespace WebCore { class PostMessageTimer : public TimerBase { public: PostMessageTimer(DOMWindow* window, const String& message, const String& sourceOrigin, PassRefPtr source, PassOwnPtr channel, SecurityOrigin* targetOrigin) : m_window(window) , m_message(message) , m_origin(sourceOrigin) , m_source(source) , m_channel(channel) , m_targetOrigin(targetOrigin) { } PassRefPtr event(ScriptExecutionContext* context) { RefPtr messagePort; if (m_channel) { messagePort = MessagePort::create(*context); messagePort->entangle(m_channel.release()); } return MessageEvent::create(m_message, m_origin, "", m_source, messagePort.release()); } SecurityOrigin* targetOrigin() const { return m_targetOrigin.get(); } private: virtual void fired() { m_window->postMessageTimerFired(this); } RefPtr m_window; String m_message; String m_origin; RefPtr m_source; OwnPtr m_channel; RefPtr m_targetOrigin; }; typedef HashMap DOMWindowRegisteredEventListenerMap; static DOMWindowRegisteredEventListenerMap& pendingUnloadEventListenerMap() { DEFINE_STATIC_LOCAL(DOMWindowRegisteredEventListenerMap, eventListenerMap, ()); return eventListenerMap; } static DOMWindowRegisteredEventListenerMap& pendingBeforeUnloadEventListenerMap() { DEFINE_STATIC_LOCAL(DOMWindowRegisteredEventListenerMap, eventListenerMap, ()); return eventListenerMap; } static bool allowsPendingBeforeUnloadListeners(DOMWindow* window) { ASSERT_ARG(window, window); Frame* frame = window->frame(); Page* page = frame->page(); return page && frame == page->mainFrame(); } static void addPendingEventListener(DOMWindowRegisteredEventListenerMap& map, DOMWindow* window, RegisteredEventListener* listener) { ASSERT_ARG(window, window); ASSERT_ARG(listener, listener); if (map.isEmpty()) disableSuddenTermination(); pair result = map.add(window, 0); if (result.second) result.first->second = new RegisteredEventListenerVector; result.first->second->append(listener); } static void removePendingEventListener(DOMWindowRegisteredEventListenerMap& map, DOMWindow* window, RegisteredEventListener* listener) { ASSERT_ARG(window, window); ASSERT_ARG(listener, listener); DOMWindowRegisteredEventListenerMap::iterator it = map.find(window); ASSERT(it != map.end()); RegisteredEventListenerVector* listeners = it->second; size_t index = listeners->find(listener); ASSERT(index != WTF::notFound); listeners->remove(index); if (!listeners->isEmpty()) return; map.remove(it); delete listeners; if (map.isEmpty()) enableSuddenTermination(); } static void removePendingEventListeners(DOMWindowRegisteredEventListenerMap& map, DOMWindow* window) { ASSERT_ARG(window, window); RegisteredEventListenerVector* listeners = map.take(window); if (!listeners) return; delete listeners; if (map.isEmpty()) enableSuddenTermination(); } bool DOMWindow::dispatchAllPendingBeforeUnloadEvents() { DOMWindowRegisteredEventListenerMap& map = pendingBeforeUnloadEventListenerMap(); if (map.isEmpty()) return true; static bool alreadyDispatched = false; ASSERT(!alreadyDispatched); if (alreadyDispatched) return true; Vector > windows; DOMWindowRegisteredEventListenerMap::iterator mapEnd = map.end(); for (DOMWindowRegisteredEventListenerMap::iterator it = map.begin(); it != mapEnd; ++it) windows.append(it->first); size_t size = windows.size(); for (size_t i = 0; i < size; ++i) { DOMWindow* window = windows[i].get(); RegisteredEventListenerVector* listeners = map.get(window); if (!listeners) continue; RegisteredEventListenerVector listenersCopy = *listeners; Frame* frame = window->frame(); if (!frame->shouldClose(&listenersCopy)) return false; } enableSuddenTermination(); alreadyDispatched = true; return true; } unsigned DOMWindow::pendingUnloadEventListeners() const { RegisteredEventListenerVector* listeners = pendingUnloadEventListenerMap().get(const_cast(this)); return listeners ? listeners->size() : 0; } void DOMWindow::dispatchAllPendingUnloadEvents() { DOMWindowRegisteredEventListenerMap& map = pendingUnloadEventListenerMap(); if (map.isEmpty()) return; static bool alreadyDispatched = false; ASSERT(!alreadyDispatched); if (alreadyDispatched) return; Vector > windows; DOMWindowRegisteredEventListenerMap::iterator mapEnd = map.end(); for (DOMWindowRegisteredEventListenerMap::iterator it = map.begin(); it != mapEnd; ++it) windows.append(it->first); size_t size = windows.size(); for (size_t i = 0; i < size; ++i) { DOMWindow* window = windows[i].get(); RegisteredEventListenerVector* listeners = map.get(window); if (!listeners) continue; RegisteredEventListenerVector listenersCopy = *listeners; window->dispatchUnloadEvent(&listenersCopy); } enableSuddenTermination(); alreadyDispatched = true; } // This function: // 1) Validates the pending changes are not changing to NaN // 2) Constrains the window rect to no smaller than 100 in each dimension and no // bigger than the the float rect's dimensions. // 3) Constrain window rect to within the top and left boundaries of the screen rect // 4) Constraint the window rect to within the bottom and right boundaries of the // screen rect. // 5) Translate the window rect coordinates to be within the coordinate space of // the screen rect. void DOMWindow::adjustWindowRect(const FloatRect& screen, FloatRect& window, const FloatRect& pendingChanges) { // Make sure we're in a valid state before adjusting dimensions. ASSERT(isfinite(screen.x())); ASSERT(isfinite(screen.y())); ASSERT(isfinite(screen.width())); ASSERT(isfinite(screen.height())); ASSERT(isfinite(window.x())); ASSERT(isfinite(window.y())); ASSERT(isfinite(window.width())); ASSERT(isfinite(window.height())); // Update window values if new requested values are not NaN. if (!isnan(pendingChanges.x())) window.setX(pendingChanges.x()); if (!isnan(pendingChanges.y())) window.setY(pendingChanges.y()); if (!isnan(pendingChanges.width())) window.setWidth(pendingChanges.width()); if (!isnan(pendingChanges.height())) window.setHeight(pendingChanges.height()); // Resize the window to between 100 and the screen width and height. window.setWidth(min(max(100.0f, window.width()), screen.width())); window.setHeight(min(max(100.0f, window.height()), screen.height())); // Constrain the window position to the screen. window.setX(max(screen.x(), min(window.x(), screen.right() - window.width()))); window.setY(max(screen.y(), min(window.y(), screen.bottom() - window.height()))); } void DOMWindow::parseModalDialogFeatures(const String& featuresArg, HashMap& map) { Vector features; featuresArg.split(';', features); Vector::const_iterator end = features.end(); for (Vector::const_iterator it = features.begin(); it != end; ++it) { String s = *it; int pos = s.find('='); int colonPos = s.find(':'); if (pos >= 0 && colonPos >= 0) continue; // ignore any strings that have both = and : if (pos < 0) pos = colonPos; if (pos < 0) { // null string for value means key without value map.set(s.stripWhiteSpace().lower(), String()); } else { String key = s.left(pos).stripWhiteSpace().lower(); String val = s.substring(pos + 1).stripWhiteSpace().lower(); int spacePos = val.find(' '); if (spacePos != -1) val = val.left(spacePos); map.set(key, val); } } } bool DOMWindow::allowPopUp(Frame* activeFrame) { ASSERT(activeFrame); if (activeFrame->script()->processingUserGesture()) return true; Settings* settings = activeFrame->settings(); return settings && settings->javaScriptCanOpenWindowsAutomatically(); } bool DOMWindow::canShowModalDialog(const Frame* frame) { if (!frame) return false; Page* page = frame->page(); if (!page) return false; return page->chrome()->canRunModal(); } bool DOMWindow::canShowModalDialogNow(const Frame* frame) { if (!frame) return false; Page* page = frame->page(); if (!page) return false; return page->chrome()->canRunModalNow(); } DOMWindow::DOMWindow(Frame* frame) : m_frame(frame) { } DOMWindow::~DOMWindow() { if (m_frame) m_frame->clearFormerDOMWindow(this); removePendingEventListeners(pendingUnloadEventListenerMap(), this); removePendingEventListeners(pendingBeforeUnloadEventListenerMap(), this); } ScriptExecutionContext* DOMWindow::scriptExecutionContext() const { return document(); } void DOMWindow::disconnectFrame() { m_frame = 0; clear(); } void DOMWindow::clear() { if (m_screen) m_screen->disconnectFrame(); m_screen = 0; if (m_selection) m_selection->disconnectFrame(); m_selection = 0; if (m_history) m_history->disconnectFrame(); m_history = 0; if (m_locationbar) m_locationbar->disconnectFrame(); m_locationbar = 0; if (m_menubar) m_menubar->disconnectFrame(); m_menubar = 0; if (m_personalbar) m_personalbar->disconnectFrame(); m_personalbar = 0; if (m_scrollbars) m_scrollbars->disconnectFrame(); m_scrollbars = 0; if (m_statusbar) m_statusbar->disconnectFrame(); m_statusbar = 0; if (m_toolbar) m_toolbar->disconnectFrame(); m_toolbar = 0; if (m_console) m_console->disconnectFrame(); m_console = 0; if (m_navigator) m_navigator->disconnectFrame(); m_navigator = 0; if (m_location) m_location->disconnectFrame(); m_location = 0; #if ENABLE(DOM_STORAGE) if (m_sessionStorage) m_sessionStorage->disconnectFrame(); m_sessionStorage = 0; if (m_localStorage) m_localStorage->disconnectFrame(); m_localStorage = 0; #endif #if ENABLE(OFFLINE_WEB_APPLICATIONS) if (m_applicationCache) m_applicationCache->disconnectFrame(); m_applicationCache = 0; #endif } Screen* DOMWindow::screen() const { if (!m_screen) m_screen = Screen::create(m_frame); return m_screen.get(); } History* DOMWindow::history() const { if (!m_history) m_history = History::create(m_frame); return m_history.get(); } BarInfo* DOMWindow::locationbar() const { if (!m_locationbar) m_locationbar = BarInfo::create(m_frame, BarInfo::Locationbar); return m_locationbar.get(); } BarInfo* DOMWindow::menubar() const { if (!m_menubar) m_menubar = BarInfo::create(m_frame, BarInfo::Menubar); return m_menubar.get(); } BarInfo* DOMWindow::personalbar() const { if (!m_personalbar) m_personalbar = BarInfo::create(m_frame, BarInfo::Personalbar); return m_personalbar.get(); } BarInfo* DOMWindow::scrollbars() const { if (!m_scrollbars) m_scrollbars = BarInfo::create(m_frame, BarInfo::Scrollbars); return m_scrollbars.get(); } BarInfo* DOMWindow::statusbar() const { if (!m_statusbar) m_statusbar = BarInfo::create(m_frame, BarInfo::Statusbar); return m_statusbar.get(); } BarInfo* DOMWindow::toolbar() const { if (!m_toolbar) m_toolbar = BarInfo::create(m_frame, BarInfo::Toolbar); return m_toolbar.get(); } Console* DOMWindow::console() const { if (!m_console) m_console = Console::create(m_frame); return m_console.get(); } #if ENABLE(OFFLINE_WEB_APPLICATIONS) DOMApplicationCache* DOMWindow::applicationCache() const { if (!m_applicationCache) m_applicationCache = DOMApplicationCache::create(m_frame); return m_applicationCache.get(); } #endif Navigator* DOMWindow::navigator() const { if (!m_navigator) m_navigator = Navigator::create(m_frame); return m_navigator.get(); } Location* DOMWindow::location() const { if (!m_location) m_location = Location::create(m_frame); return m_location.get(); } #if ENABLE(DOM_STORAGE) Storage* DOMWindow::sessionStorage() const { if (m_sessionStorage) return m_sessionStorage.get(); Page* page = m_frame->page(); if (!page) return 0; Document* document = m_frame->document(); RefPtr storageArea = page->sessionStorage()->storageArea(document->securityOrigin()); page->inspectorController()->didUseDOMStorage(storageArea.get(), false, m_frame); m_sessionStorage = Storage::create(m_frame, storageArea.release()); return m_sessionStorage.get(); } Storage* DOMWindow::localStorage() const { if (m_localStorage) return m_localStorage.get(); Document* document = this->document(); if (!document) return 0; Page* page = document->page(); if (!page) return 0; Settings* settings = document->settings(); if (!settings || !settings->localStorageEnabled()) return 0; StorageNamespace* localStorage = page->group().localStorage(); RefPtr storageArea = localStorage ? localStorage->storageArea(document->securityOrigin()) : 0; if (storageArea) { page->inspectorController()->didUseDOMStorage(storageArea.get(), true, m_frame); m_localStorage = Storage::create(m_frame, storageArea.release()); } return m_localStorage.get(); } #endif void DOMWindow::postMessage(const String& message, MessagePort* messagePort, const String& targetOrigin, DOMWindow* source, ExceptionCode& ec) { if (!m_frame) return; // Compute the target origin. We need to do this synchronously in order // to generate the SYNTAX_ERR exception correctly. RefPtr target; if (targetOrigin != "*") { target = SecurityOrigin::createFromString(targetOrigin); if (target->isEmpty()) { ec = SYNTAX_ERR; return; } } OwnPtr channel; if (messagePort) channel = messagePort->disentangle(ec); if (ec) return; // Capture the source of the message. We need to do this synchronously // in order to capture the source of the message correctly. Document* sourceDocument = source->document(); if (!sourceDocument) return; String sourceOrigin = sourceDocument->securityOrigin()->toString(); // Schedule the message. PostMessageTimer* timer = new PostMessageTimer(this, message, sourceOrigin, source, channel.release(), target.get()); timer->startOneShot(0); } void DOMWindow::postMessageTimerFired(PostMessageTimer* t) { OwnPtr timer(t); if (!document()) return; if (timer->targetOrigin()) { // Check target origin now since the target document may have changed since the simer was scheduled. if (!timer->targetOrigin()->isSameSchemeHostPort(document()->securityOrigin())) { String message = String::format("Unable to post message to %s. Recipient has origin %s.\n", timer->targetOrigin()->toString().utf8().data(), document()->securityOrigin()->toString().utf8().data()); console()->addMessage(JSMessageSource, LogMessageType, ErrorMessageLevel, message, 0, String()); return; } } ExceptionCode ec = 0; dispatchEvent(timer->event(document()), ec); } DOMSelection* DOMWindow::getSelection() { if (!m_selection) m_selection = DOMSelection::create(m_frame); return m_selection.get(); } Element* DOMWindow::frameElement() const { if (!m_frame) return 0; return m_frame->ownerElement(); } void DOMWindow::focus() { if (!m_frame) return; m_frame->focusWindow(); } void DOMWindow::blur() { if (!m_frame) return; m_frame->unfocusWindow(); } void DOMWindow::close() { if (!m_frame) return; Page* page = m_frame->page(); if (!page) return; if (m_frame != page->mainFrame()) return; Settings* settings = m_frame->settings(); bool allowScriptsToCloseWindows = settings && settings->allowScriptsToCloseWindows(); if (m_frame->loader()->openedByDOM() || m_frame->loader()->getHistoryLength() <= 1 || allowScriptsToCloseWindows) m_frame->scheduleClose(); } void DOMWindow::print() { if (!m_frame) return; Page* page = m_frame->page(); if (!page) return; page->chrome()->print(m_frame); } void DOMWindow::stop() { if (!m_frame) return; // We must check whether the load is complete asynchronously, because we might still be parsing // the document until the callstack unwinds. m_frame->loader()->stopForUserCancel(true); } void DOMWindow::alert(const String& message) { if (!m_frame) return; m_frame->document()->updateStyleIfNeeded(); Page* page = m_frame->page(); if (!page) return; page->chrome()->runJavaScriptAlert(m_frame, message); } bool DOMWindow::confirm(const String& message) { if (!m_frame) return false; m_frame->document()->updateStyleIfNeeded(); Page* page = m_frame->page(); if (!page) return false; return page->chrome()->runJavaScriptConfirm(m_frame, message); } String DOMWindow::prompt(const String& message, const String& defaultValue) { if (!m_frame) return String(); m_frame->document()->updateStyleIfNeeded(); Page* page = m_frame->page(); if (!page) return String(); String returnValue; if (page->chrome()->runJavaScriptPrompt(m_frame, message, defaultValue, returnValue)) return returnValue; return String(); } bool DOMWindow::find(const String& string, bool caseSensitive, bool backwards, bool wrap, bool /*wholeWord*/, bool /*searchInFrames*/, bool /*showDialog*/) const { if (!m_frame) return false; // FIXME (13016): Support wholeWord, searchInFrames and showDialog return m_frame->findString(string, !backwards, caseSensitive, wrap, false); } bool DOMWindow::offscreenBuffering() const { return true; } int DOMWindow::outerHeight() const { if (!m_frame) return 0; Page* page = m_frame->page(); if (!page) return 0; return static_cast(page->chrome()->windowRect().height()); } int DOMWindow::outerWidth() const { if (!m_frame) return 0; Page* page = m_frame->page(); if (!page) return 0; return static_cast(page->chrome()->windowRect().width()); } int DOMWindow::innerHeight() const { if (!m_frame) return 0; FrameView* view = m_frame->view(); if (!view) return 0; return static_cast(view->height() / m_frame->pageZoomFactor()); } int DOMWindow::innerWidth() const { if (!m_frame) return 0; FrameView* view = m_frame->view(); if (!view) return 0; return static_cast(view->width() / m_frame->pageZoomFactor()); } int DOMWindow::screenX() const { if (!m_frame) return 0; Page* page = m_frame->page(); if (!page) return 0; return static_cast(page->chrome()->windowRect().x()); } int DOMWindow::screenY() const { if (!m_frame) return 0; Page* page = m_frame->page(); if (!page) return 0; return static_cast(page->chrome()->windowRect().y()); } int DOMWindow::scrollX() const { if (!m_frame) return 0; FrameView* view = m_frame->view(); if (!view) return 0; m_frame->document()->updateLayoutIgnorePendingStylesheets(); return static_cast(view->scrollX() / m_frame->pageZoomFactor()); } int DOMWindow::scrollY() const { if (!m_frame) return 0; FrameView* view = m_frame->view(); if (!view) return 0; m_frame->document()->updateLayoutIgnorePendingStylesheets(); return static_cast(view->scrollY() / m_frame->pageZoomFactor()); } bool DOMWindow::closed() const { return !m_frame; } unsigned DOMWindow::length() const { if (!m_frame) return 0; return m_frame->tree()->childCount(); } String DOMWindow::name() const { if (!m_frame) return String(); return m_frame->tree()->name(); } void DOMWindow::setName(const String& string) { if (!m_frame) return; m_frame->tree()->setName(string); } String DOMWindow::status() const { if (!m_frame) return String(); return m_frame->jsStatusBarText(); } void DOMWindow::setStatus(const String& string) { if (!m_frame) return; m_frame->setJSStatusBarText(string); } String DOMWindow::defaultStatus() const { if (!m_frame) return String(); return m_frame->jsDefaultStatusBarText(); } void DOMWindow::setDefaultStatus(const String& string) { if (!m_frame) return; m_frame->setJSDefaultStatusBarText(string); } DOMWindow* DOMWindow::self() const { if (!m_frame) return 0; return m_frame->domWindow(); } DOMWindow* DOMWindow::opener() const { if (!m_frame) return 0; Frame* opener = m_frame->loader()->opener(); if (!opener) return 0; return opener->domWindow(); } DOMWindow* DOMWindow::parent() const { if (!m_frame) return 0; Frame* parent = m_frame->tree()->parent(true); if (parent) return parent->domWindow(); return m_frame->domWindow(); } DOMWindow* DOMWindow::top() const { if (!m_frame) return 0; Page* page = m_frame->page(); if (!page) return 0; return m_frame->tree()->top(true)->domWindow(); } Document* DOMWindow::document() const { // FIXME: This function shouldn't need a frame to work. if (!m_frame) return 0; // The m_frame pointer is not zeroed out when the window is put into b/f cache, so it can hold an unrelated document/window pair. // FIXME: We should always zero out the frame pointer on navigation to avoid accidentally accessing the new frame content. if (m_frame->domWindow() != this) return 0; ASSERT(m_frame->document()); return m_frame->document(); } PassRefPtr DOMWindow::getComputedStyle(Element* elt, const String&) const { if (!elt) return 0; // FIXME: This needs take pseudo elements into account. return computedStyle(elt); } PassRefPtr DOMWindow::getMatchedCSSRules(Element* elt, const String& pseudoElt, bool authorOnly) const { if (!m_frame) return 0; Document* doc = m_frame->document(); if (!pseudoElt.isEmpty()) return doc->styleSelector()->pseudoStyleRulesForElement(elt, pseudoElt, authorOnly); return doc->styleSelector()->styleRulesForElement(elt, authorOnly); } PassRefPtr DOMWindow::webkitConvertPointFromNodeToPage(Node* node, const WebKitPoint* p) const { if (!node || !p) return 0; FloatPoint pagePoint(p->x(), p->y()); pagePoint = node->convertToPage(pagePoint); return WebKitPoint::create(pagePoint.x(), pagePoint.y()); } PassRefPtr DOMWindow::webkitConvertPointFromPageToNode(Node* node, const WebKitPoint* p) const { if (!node || !p) return 0; FloatPoint nodePoint(p->x(), p->y()); nodePoint = node->convertFromPage(nodePoint); return WebKitPoint::create(nodePoint.x(), nodePoint.y()); } double DOMWindow::devicePixelRatio() const { if (!m_frame) return 0.0; Page* page = m_frame->page(); if (!page) return 0.0; return page->chrome()->scaleFactor(); } #if ENABLE(DATABASE) PassRefPtr DOMWindow::openDatabase(const String& name, const String& version, const String& displayName, unsigned long estimatedSize, ExceptionCode& ec) { if (!m_frame) return 0; Document* doc = m_frame->document(); Settings* settings = m_frame->settings(); if (!settings || !settings->databasesEnabled()) return 0; return Database::openDatabase(doc, name, version, displayName, estimatedSize, ec); } #endif void DOMWindow::scrollBy(int x, int y) const { if (!m_frame) return; m_frame->document()->updateLayoutIgnorePendingStylesheets(); FrameView* view = m_frame->view(); if (!view) return; view->scrollBy(IntSize(x, y)); } void DOMWindow::scrollTo(int x, int y) const { if (!m_frame) return; m_frame->document()->updateLayoutIgnorePendingStylesheets(); FrameView* view = m_frame->view(); if (!view) return; int zoomedX = static_cast(x * m_frame->pageZoomFactor()); int zoomedY = static_cast(y * m_frame->pageZoomFactor()); view->setScrollPosition(IntPoint(zoomedX, zoomedY)); } void DOMWindow::moveBy(float x, float y) const { if (!m_frame) return; Page* page = m_frame->page(); if (!page) return; if (m_frame != page->mainFrame()) return; FloatRect fr = page->chrome()->windowRect(); FloatRect update = fr; update.move(x, y); // Security check (the spec talks about UniversalBrowserWrite to disable this check...) adjustWindowRect(screenAvailableRect(page->mainFrame()->view()), fr, update); page->chrome()->setWindowRect(fr); } void DOMWindow::moveTo(float x, float y) const { if (!m_frame) return; Page* page = m_frame->page(); if (!page) return; if (m_frame != page->mainFrame()) return; FloatRect fr = page->chrome()->windowRect(); FloatRect sr = screenAvailableRect(page->mainFrame()->view()); fr.setLocation(sr.location()); FloatRect update = fr; update.move(x, y); // Security check (the spec talks about UniversalBrowserWrite to disable this check...) adjustWindowRect(sr, fr, update); page->chrome()->setWindowRect(fr); } void DOMWindow::resizeBy(float x, float y) const { if (!m_frame) return; Page* page = m_frame->page(); if (!page) return; if (m_frame != page->mainFrame()) return; FloatRect fr = page->chrome()->windowRect(); FloatSize dest = fr.size() + FloatSize(x, y); FloatRect update(fr.location(), dest); adjustWindowRect(screenAvailableRect(page->mainFrame()->view()), fr, update); page->chrome()->setWindowRect(fr); } void DOMWindow::resizeTo(float width, float height) const { if (!m_frame) return; Page* page = m_frame->page(); if (!page) return; if (m_frame != page->mainFrame()) return; FloatRect fr = page->chrome()->windowRect(); FloatSize dest = FloatSize(width, height); FloatRect update(fr.location(), dest); adjustWindowRect(screenAvailableRect(page->mainFrame()->view()), fr, update); page->chrome()->setWindowRect(fr); } int DOMWindow::setTimeout(ScheduledAction* action, int timeout) { return DOMTimer::install(scriptExecutionContext(), action, timeout, true); } void DOMWindow::clearTimeout(int timeoutId) { DOMTimer::removeById(scriptExecutionContext(), timeoutId); } int DOMWindow::setInterval(ScheduledAction* action, int timeout) { return DOMTimer::install(scriptExecutionContext(), action, timeout, false); } void DOMWindow::clearInterval(int timeoutId) { DOMTimer::removeById(scriptExecutionContext(), timeoutId); } void DOMWindow::handleEvent(Event* event, bool useCapture, RegisteredEventListenerVector* alternateListeners) { RegisteredEventListenerVector& listeners = (alternateListeners ? *alternateListeners : m_eventListeners); if (listeners.isEmpty()) return; // If any HTML event listeners are registered on the window, dispatch them here. RegisteredEventListenerVector listenersCopy = listeners; size_t size = listenersCopy.size(); for (size_t i = 0; i < size; ++i) { RegisteredEventListener& r = *listenersCopy[i]; if (r.eventType() == event->type() && r.useCapture() == useCapture && !r.removed()) r.listener()->handleEvent(event, true); } } void DOMWindow::addEventListener(const AtomicString& eventType, PassRefPtr listener, bool useCapture) { // Remove existing identical listener set with identical arguments. // The DOM 2 spec says that "duplicate instances are discarded" in this case. removeEventListener(eventType, listener.get(), useCapture); if (Document* document = this->document()) document->addListenerTypeIfNeeded(eventType); RefPtr registeredListener = RegisteredEventListener::create(eventType, listener, useCapture); m_eventListeners.append(registeredListener); if (eventType == eventNames().unloadEvent) addPendingEventListener(pendingUnloadEventListenerMap(), this, registeredListener.get()); else if (eventType == eventNames().beforeunloadEvent && allowsPendingBeforeUnloadListeners(this)) addPendingEventListener(pendingBeforeUnloadEventListenerMap(), this, registeredListener.get()); } void DOMWindow::removeEventListener(const AtomicString& eventType, EventListener* listener, bool useCapture) { size_t size = m_eventListeners.size(); for (size_t i = 0; i < size; ++i) { RegisteredEventListener& r = *m_eventListeners[i]; if (r.eventType() == eventType && r.listener() == listener && r.useCapture() == useCapture) { if (eventType == eventNames().unloadEvent) removePendingEventListener(pendingUnloadEventListenerMap(), this, &r); else if (eventType == eventNames().beforeunloadEvent && allowsPendingBeforeUnloadListeners(this)) removePendingEventListener(pendingBeforeUnloadEventListenerMap(), this, &r); r.setRemoved(true); m_eventListeners.remove(i); return; } } } bool DOMWindow::dispatchEvent(PassRefPtr e, ExceptionCode& ec) { ASSERT(!eventDispatchForbidden()); RefPtr event = e; if (!event || event->type().isEmpty()) { ec = EventException::UNSPECIFIED_EVENT_TYPE_ERR; return true; } RefPtr protect(this); event->setTarget(this); event->setCurrentTarget(this); handleEvent(event.get(), true); handleEvent(event.get(), false); return !event->defaultPrevented(); } void DOMWindow::dispatchEvent(const AtomicString& eventType, bool canBubble, bool cancelable) { ASSERT(!eventDispatchForbidden()); ExceptionCode ec = 0; dispatchEvent(Event::create(eventType, canBubble, cancelable), ec); } // This function accommodates the Firefox quirk of dispatching the load, unload and // beforeunload events on the window, but setting event.target to be the Document. inline void DOMWindow::dispatchEventWithDocumentAsTarget(PassRefPtr e, RegisteredEventListenerVector* alternateEventListeners) { ASSERT(!eventDispatchForbidden()); RefPtr event = e; RefPtr protect(this); RefPtr document = this->document(); event->setTarget(document); event->setCurrentTarget(this); handleEvent(event.get(), true, alternateEventListeners); handleEvent(event.get(), false, alternateEventListeners); } void DOMWindow::dispatchLoadEvent() { dispatchEventWithDocumentAsTarget(Event::create(eventNames().loadEvent, false, false)); // For load events, send a separate load event to the enclosing frame only. // This is a DOM extension and is independent of bubbling/capturing rules of // the DOM. Element* ownerElement = document()->ownerElement(); if (ownerElement) { RefPtr ownerEvent = Event::create(eventNames().loadEvent, false, false); ownerEvent->setTarget(ownerElement); ownerElement->dispatchGenericEvent(ownerEvent.release()); } } void DOMWindow::dispatchUnloadEvent(RegisteredEventListenerVector* alternateEventListeners) { dispatchEventWithDocumentAsTarget(Event::create(eventNames().unloadEvent, false, false), alternateEventListeners); } PassRefPtr DOMWindow::dispatchBeforeUnloadEvent(RegisteredEventListenerVector* alternateEventListeners) { RefPtr beforeUnloadEvent = BeforeUnloadEvent::create(); dispatchEventWithDocumentAsTarget(beforeUnloadEvent.get(), alternateEventListeners); return beforeUnloadEvent.release(); } void DOMWindow::removeAllEventListeners() { size_t size = m_eventListeners.size(); for (size_t i = 0; i < size; ++i) m_eventListeners[i]->setRemoved(true); m_eventListeners.clear(); removePendingEventListeners(pendingUnloadEventListenerMap(), this); removePendingEventListeners(pendingBeforeUnloadEventListenerMap(), this); } bool DOMWindow::hasEventListener(const AtomicString& eventType) { size_t size = m_eventListeners.size(); for (size_t i = 0; i < size; ++i) { if (m_eventListeners[i]->eventType() == eventType) return true; } return false; } void DOMWindow::setAttributeEventListener(const AtomicString& eventType, PassRefPtr listener) { clearAttributeEventListener(eventType); if (listener) addEventListener(eventType, listener, false); } void DOMWindow::clearAttributeEventListener(const AtomicString& eventType) { size_t size = m_eventListeners.size(); for (size_t i = 0; i < size; ++i) { RegisteredEventListener& r = *m_eventListeners[i]; if (r.eventType() == eventType && r.listener()->isAttribute()) { if (eventType == eventNames().unloadEvent) removePendingEventListener(pendingUnloadEventListenerMap(), this, &r); else if (eventType == eventNames().beforeunloadEvent && allowsPendingBeforeUnloadListeners(this)) removePendingEventListener(pendingBeforeUnloadEventListenerMap(), this, &r); r.setRemoved(true); m_eventListeners.remove(i); return; } } } EventListener* DOMWindow::getAttributeEventListener(const AtomicString& eventType) const { size_t size = m_eventListeners.size(); for (size_t i = 0; i < size; ++i) { RegisteredEventListener& r = *m_eventListeners[i]; if (r.eventType() == eventType && r.listener()->isAttribute()) return r.listener(); } return 0; } EventListener* DOMWindow::onabort() const { return getAttributeEventListener(eventNames().abortEvent); } void DOMWindow::setOnabort(PassRefPtr eventListener) { setAttributeEventListener(eventNames().abortEvent, eventListener); } EventListener* DOMWindow::onblur() const { return getAttributeEventListener(eventNames().blurEvent); } void DOMWindow::setOnblur(PassRefPtr eventListener) { setAttributeEventListener(eventNames().blurEvent, eventListener); } EventListener* DOMWindow::onchange() const { return getAttributeEventListener(eventNames().changeEvent); } void DOMWindow::setOnchange(PassRefPtr eventListener) { setAttributeEventListener(eventNames().changeEvent, eventListener); } EventListener* DOMWindow::onclick() const { return getAttributeEventListener(eventNames().clickEvent); } void DOMWindow::setOnclick(PassRefPtr eventListener) { setAttributeEventListener(eventNames().clickEvent, eventListener); } EventListener* DOMWindow::ondblclick() const { return getAttributeEventListener(eventNames().dblclickEvent); } void DOMWindow::setOndblclick(PassRefPtr eventListener) { setAttributeEventListener(eventNames().dblclickEvent, eventListener); } EventListener* DOMWindow::ondrag() const { return getAttributeEventListener(eventNames().dragEvent); } void DOMWindow::setOndrag(PassRefPtr eventListener) { setAttributeEventListener(eventNames().dragEvent, eventListener); } EventListener* DOMWindow::ondragend() const { return getAttributeEventListener(eventNames().dragendEvent); } void DOMWindow::setOndragend(PassRefPtr eventListener) { setAttributeEventListener(eventNames().dragendEvent, eventListener); } EventListener* DOMWindow::ondragenter() const { return getAttributeEventListener(eventNames().dragenterEvent); } void DOMWindow::setOndragenter(PassRefPtr eventListener) { setAttributeEventListener(eventNames().dragenterEvent, eventListener); } EventListener* DOMWindow::ondragleave() const { return getAttributeEventListener(eventNames().dragleaveEvent); } void DOMWindow::setOndragleave(PassRefPtr eventListener) { setAttributeEventListener(eventNames().dragleaveEvent, eventListener); } EventListener* DOMWindow::ondragover() const { return getAttributeEventListener(eventNames().dragoverEvent); } void DOMWindow::setOndragover(PassRefPtr eventListener) { setAttributeEventListener(eventNames().dragoverEvent, eventListener); } EventListener* DOMWindow::ondragstart() const { return getAttributeEventListener(eventNames().dragstartEvent); } void DOMWindow::setOndragstart(PassRefPtr eventListener) { setAttributeEventListener(eventNames().dragstartEvent, eventListener); } EventListener* DOMWindow::ondrop() const { return getAttributeEventListener(eventNames().dropEvent); } void DOMWindow::setOndrop(PassRefPtr eventListener) { setAttributeEventListener(eventNames().dropEvent, eventListener); } EventListener* DOMWindow::onerror() const { return getAttributeEventListener(eventNames().errorEvent); } void DOMWindow::setOnerror(PassRefPtr eventListener) { setAttributeEventListener(eventNames().errorEvent, eventListener); } EventListener* DOMWindow::onfocus() const { return getAttributeEventListener(eventNames().focusEvent); } void DOMWindow::setOnfocus(PassRefPtr eventListener) { setAttributeEventListener(eventNames().focusEvent, eventListener); } EventListener* DOMWindow::onkeydown() const { return getAttributeEventListener(eventNames().keydownEvent); } void DOMWindow::setOnkeydown(PassRefPtr eventListener) { setAttributeEventListener(eventNames().keydownEvent, eventListener); } EventListener* DOMWindow::onkeypress() const { return getAttributeEventListener(eventNames().keypressEvent); } void DOMWindow::setOnkeypress(PassRefPtr eventListener) { setAttributeEventListener(eventNames().keypressEvent, eventListener); } EventListener* DOMWindow::onkeyup() const { return getAttributeEventListener(eventNames().keyupEvent); } void DOMWindow::setOnkeyup(PassRefPtr eventListener) { setAttributeEventListener(eventNames().keyupEvent, eventListener); } EventListener* DOMWindow::onload() const { return getAttributeEventListener(eventNames().loadEvent); } void DOMWindow::setOnload(PassRefPtr eventListener) { setAttributeEventListener(eventNames().loadEvent, eventListener); } EventListener* DOMWindow::onmousedown() const { return getAttributeEventListener(eventNames().mousedownEvent); } void DOMWindow::setOnmousedown(PassRefPtr eventListener) { setAttributeEventListener(eventNames().mousedownEvent, eventListener); } EventListener* DOMWindow::onmousemove() const { return getAttributeEventListener(eventNames().mousemoveEvent); } void DOMWindow::setOnmousemove(PassRefPtr eventListener) { setAttributeEventListener(eventNames().mousemoveEvent, eventListener); } EventListener* DOMWindow::onmouseout() const { return getAttributeEventListener(eventNames().mouseoutEvent); } void DOMWindow::setOnmouseout(PassRefPtr eventListener) { setAttributeEventListener(eventNames().mouseoutEvent, eventListener); } EventListener* DOMWindow::onmouseover() const { return getAttributeEventListener(eventNames().mouseoverEvent); } void DOMWindow::setOnmouseover(PassRefPtr eventListener) { setAttributeEventListener(eventNames().mouseoverEvent, eventListener); } EventListener* DOMWindow::onmouseup() const { return getAttributeEventListener(eventNames().mouseupEvent); } void DOMWindow::setOnmouseup(PassRefPtr eventListener) { setAttributeEventListener(eventNames().mouseupEvent, eventListener); } EventListener* DOMWindow::onmousewheel() const { return getAttributeEventListener(eventNames().mousewheelEvent); } void DOMWindow::setOnmousewheel(PassRefPtr eventListener) { setAttributeEventListener(eventNames().mousewheelEvent, eventListener); } EventListener* DOMWindow::onoffline() const { return getAttributeEventListener(eventNames().offlineEvent); } void DOMWindow::setOnoffline(PassRefPtr eventListener) { setAttributeEventListener(eventNames().offlineEvent, eventListener); } EventListener* DOMWindow::ononline() const { return getAttributeEventListener(eventNames().onlineEvent); } void DOMWindow::setOnonline(PassRefPtr eventListener) { setAttributeEventListener(eventNames().onlineEvent, eventListener); } EventListener* DOMWindow::onreset() const { return getAttributeEventListener(eventNames().resetEvent); } void DOMWindow::setOnreset(PassRefPtr eventListener) { setAttributeEventListener(eventNames().resetEvent, eventListener); } EventListener* DOMWindow::onresize() const { return getAttributeEventListener(eventNames().resizeEvent); } void DOMWindow::setOnresize(PassRefPtr eventListener) { setAttributeEventListener(eventNames().resizeEvent, eventListener); } EventListener* DOMWindow::onscroll() const { return getAttributeEventListener(eventNames().scrollEvent); } void DOMWindow::setOnscroll(PassRefPtr eventListener) { setAttributeEventListener(eventNames().scrollEvent, eventListener); } EventListener* DOMWindow::onsearch() const { return getAttributeEventListener(eventNames().searchEvent); } void DOMWindow::setOnsearch(PassRefPtr eventListener) { setAttributeEventListener(eventNames().searchEvent, eventListener); } EventListener* DOMWindow::onselect() const { return getAttributeEventListener(eventNames().selectEvent); } void DOMWindow::setOnselect(PassRefPtr eventListener) { setAttributeEventListener(eventNames().selectEvent, eventListener); } EventListener* DOMWindow::onstorage() const { return getAttributeEventListener(eventNames().storageEvent); } void DOMWindow::setOnstorage(PassRefPtr eventListener) { setAttributeEventListener(eventNames().storageEvent, eventListener); } EventListener* DOMWindow::onsubmit() const { return getAttributeEventListener(eventNames().submitEvent); } void DOMWindow::setOnsubmit(PassRefPtr eventListener) { setAttributeEventListener(eventNames().submitEvent, eventListener); } EventListener* DOMWindow::onunload() const { return getAttributeEventListener(eventNames().unloadEvent); } void DOMWindow::setOnunload(PassRefPtr eventListener) { setAttributeEventListener(eventNames().unloadEvent, eventListener); } EventListener* DOMWindow::onbeforeunload() const { return getAttributeEventListener(eventNames().beforeunloadEvent); } void DOMWindow::setOnbeforeunload(PassRefPtr eventListener) { setAttributeEventListener(eventNames().beforeunloadEvent, eventListener); } EventListener* DOMWindow::onwebkitanimationstart() const { return getAttributeEventListener(eventNames().webkitAnimationStartEvent); } void DOMWindow::setOnwebkitanimationstart(PassRefPtr eventListener) { setAttributeEventListener(eventNames().webkitAnimationStartEvent, eventListener); } EventListener* DOMWindow::onwebkitanimationiteration() const { return getAttributeEventListener(eventNames().webkitAnimationIterationEvent); } void DOMWindow::setOnwebkitanimationiteration(PassRefPtr eventListener) { setAttributeEventListener(eventNames().webkitAnimationIterationEvent, eventListener); } EventListener* DOMWindow::onwebkitanimationend() const { return getAttributeEventListener(eventNames().webkitAnimationEndEvent); } void DOMWindow::setOnwebkitanimationend(PassRefPtr eventListener) { setAttributeEventListener(eventNames().webkitAnimationEndEvent, eventListener); } EventListener* DOMWindow::onwebkittransitionend() const { return getAttributeEventListener(eventNames().webkitTransitionEndEvent); } void DOMWindow::setOnwebkittransitionend(PassRefPtr eventListener) { setAttributeEventListener(eventNames().webkitTransitionEndEvent, eventListener); } EventListener* DOMWindow::oncanplay() const { return getAttributeEventListener(eventNames().canplayEvent); } void DOMWindow::setOncanplay(PassRefPtr eventListener) { setAttributeEventListener(eventNames().canplayEvent, eventListener); } EventListener* DOMWindow::oncanplaythrough() const { return getAttributeEventListener(eventNames().canplaythroughEvent); } void DOMWindow::setOncanplaythrough(PassRefPtr eventListener) { setAttributeEventListener(eventNames().canplaythroughEvent, eventListener); } EventListener* DOMWindow::ondurationchange() const { return getAttributeEventListener(eventNames().durationchangeEvent); } void DOMWindow::setOndurationchange(PassRefPtr eventListener) { setAttributeEventListener(eventNames().durationchangeEvent, eventListener); } EventListener* DOMWindow::onemptied() const { return getAttributeEventListener(eventNames().emptiedEvent); } void DOMWindow::setOnemptied(PassRefPtr eventListener) { setAttributeEventListener(eventNames().emptiedEvent, eventListener); } EventListener* DOMWindow::onended() const { return getAttributeEventListener(eventNames().endedEvent); } void DOMWindow::setOnended(PassRefPtr eventListener) { setAttributeEventListener(eventNames().endedEvent, eventListener); } EventListener* DOMWindow::onloadeddata() const { return getAttributeEventListener(eventNames().loadeddataEvent); } void DOMWindow::setOnloadeddata(PassRefPtr eventListener) { setAttributeEventListener(eventNames().loadeddataEvent, eventListener); } EventListener* DOMWindow::onloadedmetadata() const { return getAttributeEventListener(eventNames().loadedmetadataEvent); } void DOMWindow::setOnloadedmetadata(PassRefPtr eventListener) { setAttributeEventListener(eventNames().loadedmetadataEvent, eventListener); } EventListener* DOMWindow::onpause() const { return getAttributeEventListener(eventNames().pauseEvent); } void DOMWindow::setOnpause(PassRefPtr eventListener) { setAttributeEventListener(eventNames().pauseEvent, eventListener); } EventListener* DOMWindow::onplay() const { return getAttributeEventListener(eventNames().playEvent); } void DOMWindow::setOnplay(PassRefPtr eventListener) { setAttributeEventListener(eventNames().playEvent, eventListener); } EventListener* DOMWindow::onplaying() const { return getAttributeEventListener(eventNames().playingEvent); } void DOMWindow::setOnplaying(PassRefPtr eventListener) { setAttributeEventListener(eventNames().playingEvent, eventListener); } EventListener* DOMWindow::onratechange() const { return getAttributeEventListener(eventNames().ratechangeEvent); } void DOMWindow::setOnratechange(PassRefPtr eventListener) { setAttributeEventListener(eventNames().ratechangeEvent, eventListener); } EventListener* DOMWindow::onseeked() const { return getAttributeEventListener(eventNames().seekedEvent); } void DOMWindow::setOnseeked(PassRefPtr eventListener) { setAttributeEventListener(eventNames().seekedEvent, eventListener); } EventListener* DOMWindow::onseeking() const { return getAttributeEventListener(eventNames().seekingEvent); } void DOMWindow::setOnseeking(PassRefPtr eventListener) { setAttributeEventListener(eventNames().seekingEvent, eventListener); } EventListener* DOMWindow::ontimeupdate() const { return getAttributeEventListener(eventNames().timeupdateEvent); } void DOMWindow::setOntimeupdate(PassRefPtr eventListener) { setAttributeEventListener(eventNames().timeupdateEvent, eventListener); } EventListener* DOMWindow::onvolumechange() const { return getAttributeEventListener(eventNames().volumechangeEvent); } void DOMWindow::setOnvolumechange(PassRefPtr eventListener) { setAttributeEventListener(eventNames().volumechangeEvent, eventListener); } EventListener* DOMWindow::onwaiting() const { return getAttributeEventListener(eventNames().waitingEvent); } void DOMWindow::setOnwaiting(PassRefPtr eventListener) { setAttributeEventListener(eventNames().waitingEvent, eventListener); } EventListener* DOMWindow::onloadstart() const { return getAttributeEventListener(eventNames().loadstartEvent); } void DOMWindow::setOnloadstart(PassRefPtr eventListener) { setAttributeEventListener(eventNames().loadstartEvent, eventListener); } EventListener* DOMWindow::onprogress() const { return getAttributeEventListener(eventNames().progressEvent); } void DOMWindow::setOnprogress(PassRefPtr eventListener) { setAttributeEventListener(eventNames().progressEvent, eventListener); } EventListener* DOMWindow::onstalled() const { return getAttributeEventListener(eventNames().stalledEvent); } void DOMWindow::setOnstalled(PassRefPtr eventListener) { setAttributeEventListener(eventNames().stalledEvent, eventListener); } EventListener* DOMWindow::onsuspend() const { return getAttributeEventListener(eventNames().suspendEvent); } void DOMWindow::setOnsuspend(PassRefPtr eventListener) { setAttributeEventListener(eventNames().suspendEvent, eventListener); } EventListener* DOMWindow::oninput() const { return getAttributeEventListener(eventNames().inputEvent); } void DOMWindow::setOninput(PassRefPtr eventListener) { setAttributeEventListener(eventNames().inputEvent, eventListener); } EventListener* DOMWindow::onmessage() const { return getAttributeEventListener(eventNames().messageEvent); } void DOMWindow::setOnmessage(PassRefPtr eventListener) { setAttributeEventListener(eventNames().messageEvent, eventListener); } EventListener* DOMWindow::oncontextmenu() const { return getAttributeEventListener(eventNames().contextmenuEvent); } void DOMWindow::setOncontextmenu(PassRefPtr eventListener) { setAttributeEventListener(eventNames().contextmenuEvent, eventListener); } void DOMWindow::captureEvents() { // Not implemented. } void DOMWindow::releaseEvents() { // Not implemented. } } // namespace WebCore