diff -r 000000000000 -r 4f2f89ce4247 WebKit/chromium/src/ChromeClientImpl.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebKit/chromium/src/ChromeClientImpl.cpp Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,768 @@ +/* + * Copyright (C) 2009 Google 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: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "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 THE COPYRIGHT + * OWNER 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 "ChromeClientImpl.h" + +#include "AXObjectCache.h" +#include "AccessibilityObject.h" +#include "CharacterNames.h" +#include "Console.h" +#include "Cursor.h" +#include "DatabaseTracker.h" +#include "Document.h" +#include "DocumentLoader.h" +#include "FileChooser.h" +#include "FloatRect.h" +#include "FrameLoadRequest.h" +#include "FrameView.h" +#include "GLES2Context.h" +#include "Geolocation.h" +#include "GeolocationService.h" +#include "GeolocationServiceChromium.h" +#include "GraphicsLayer.h" +#include "HTMLNames.h" +#include "HitTestResult.h" +#include "IntRect.h" +#include "Node.h" +#include "NotificationPresenterImpl.h" +#include "Page.h" +#include "PopupMenuChromium.h" +#include "ScriptController.h" +#include "WebGeolocationService.h" +#if USE(V8) +#include "V8Proxy.h" +#endif +#include "WebAccessibilityObject.h" +#include "WebConsoleMessage.h" +#include "WebCursorInfo.h" +#include "WebFileChooserCompletionImpl.h" +#include "WebFrameClient.h" +#include "WebFrameImpl.h" +#include "WebInputEvent.h" +#include "WebKit.h" +#include "WebNode.h" +#include "WebPopupMenuImpl.h" +#include "WebPopupMenuInfo.h" +#include "WebPopupType.h" +#include "WebRect.h" +#include "WebTextDirection.h" +#include "WebURLRequest.h" +#include "WebViewClient.h" +#include "WebViewImpl.h" +#include "WebWindowFeatures.h" +#include "WindowFeatures.h" +#include "WrappedResourceRequest.h" + +using namespace WebCore; + +namespace WebKit { + +// Converts a WebCore::PopupContainerType to a WebKit::WebPopupType. +static WebPopupType convertPopupType(PopupContainer::PopupType type) +{ + switch (type) { + case PopupContainer::Select: + return WebPopupTypeSelect; + case PopupContainer::Suggestion: + return WebPopupTypeSuggestion; + default: + ASSERT_NOT_REACHED(); + return WebPopupTypeNone; + } +} + +ChromeClientImpl::ChromeClientImpl(WebViewImpl* webView) + : m_webView(webView) + , m_toolbarsVisible(true) + , m_statusbarVisible(true) + , m_scrollbarsVisible(true) + , m_menubarVisible(true) + , m_resizable(true) +{ +} + +ChromeClientImpl::~ChromeClientImpl() +{ +} + +void ChromeClientImpl::chromeDestroyed() +{ + // Our lifetime is bound to the WebViewImpl. +} + +void ChromeClientImpl::setWindowRect(const FloatRect& r) +{ + if (m_webView->client()) + m_webView->client()->setWindowRect(IntRect(r)); +} + +FloatRect ChromeClientImpl::windowRect() +{ + WebRect rect; + if (m_webView->client()) + rect = m_webView->client()->rootWindowRect(); + else { + // These numbers will be fairly wrong. The window's x/y coordinates will + // be the top left corner of the screen and the size will be the content + // size instead of the window size. + rect.width = m_webView->size().width; + rect.height = m_webView->size().height; + } + return FloatRect(rect); +} + +FloatRect ChromeClientImpl::pageRect() +{ + // We hide the details of the window's border thickness from the web page by + // simple re-using the window position here. So, from the point-of-view of + // the web page, the window has no border. + return windowRect(); +} + +float ChromeClientImpl::scaleFactor() +{ + // This is supposed to return the scale factor of the web page. It looks like + // the implementor of the graphics layer is responsible for doing most of the + // operations associated with scaling. However, this value is used ins some + // cases by WebCore. For example, this is used as a scaling factor in canvas + // so that things drawn in it are scaled just like the web page is. + // + // We don't currently implement scaling, so just return 1.0 (no scaling). + return 1.0; +} + +void ChromeClientImpl::focus() +{ + if (m_webView->client()) + m_webView->client()->didFocus(); +} + +void ChromeClientImpl::unfocus() +{ + if (m_webView->client()) + m_webView->client()->didBlur(); +} + +bool ChromeClientImpl::canTakeFocus(FocusDirection) +{ + // For now the browser can always take focus if we're not running layout + // tests. + return !layoutTestMode(); +} + +void ChromeClientImpl::takeFocus(FocusDirection direction) +{ + if (!m_webView->client()) + return; + if (direction == FocusDirectionBackward) + m_webView->client()->focusPrevious(); + else + m_webView->client()->focusNext(); +} + +void ChromeClientImpl::focusedNodeChanged(Node* node) +{ + m_webView->client()->focusedNodeChanged(WebNode(node)); + + WebURL focusURL; + if (node && node->isLink()) { + // This HitTestResult hack is the easiest way to get a link URL out of a + // WebCore::Node. + HitTestResult hitTest(IntPoint(0, 0)); + // This cast must be valid because of the isLink() check. + hitTest.setURLElement(static_cast(node)); + if (hitTest.isLiveLink()) + focusURL = hitTest.absoluteLinkURL(); + } + m_webView->client()->setKeyboardFocusURL(focusURL); + + if (!node) + return; + + // If accessibility is enabled, we should notify assistive technology that + // the active AccessibilityObject changed. + Document* document = node->document(); + if (!document) { + ASSERT_NOT_REACHED(); + return; + } + if (document && document->axObjectCache()->accessibilityEnabled()) { + // Retrieve the focused AccessibilityObject. + AccessibilityObject* focusedAccObj = + document->axObjectCache()->getOrCreate(node->renderer()); + + // Alert assistive technology that focus changed. + if (focusedAccObj) + m_webView->client()->focusAccessibilityObject(WebAccessibilityObject(focusedAccObj)); + } +} + +Page* ChromeClientImpl::createWindow( + Frame* frame, const FrameLoadRequest& r, const WindowFeatures& features) +{ + if (!m_webView->client()) + return 0; + + WebViewImpl* newView = static_cast( + m_webView->client()->createView(WebFrameImpl::fromFrame(frame), features, r.frameName())); + if (!newView) + return 0; + + // The request is empty when we are just being asked to open a blank window. + // This corresponds to window.open(""), for example. + if (!r.resourceRequest().isEmpty()) { + WrappedResourceRequest request(r.resourceRequest()); + newView->mainFrame()->loadRequest(request); + } + + return newView->page(); +} + +static inline bool currentEventShouldCauseBackgroundTab(const WebInputEvent* inputEvent) +{ + if (!inputEvent) + return false; + + if (inputEvent->type != WebInputEvent::MouseUp) + return false; + + const WebMouseEvent* mouseEvent = static_cast(inputEvent); + + WebNavigationPolicy policy; + unsigned short buttonNumber; + switch (mouseEvent->button) { + case WebMouseEvent::ButtonLeft: + buttonNumber = 0; + break; + case WebMouseEvent::ButtonMiddle: + buttonNumber = 1; + break; + case WebMouseEvent::ButtonRight: + buttonNumber = 2; + break; + default: + return false; + } + bool ctrl = mouseEvent->modifiers & WebMouseEvent::ControlKey; + bool shift = mouseEvent->modifiers & WebMouseEvent::ShiftKey; + bool alt = mouseEvent->modifiers & WebMouseEvent::AltKey; + bool meta = mouseEvent->modifiers & WebMouseEvent::MetaKey; + + if (!WebViewImpl::navigationPolicyFromMouseEvent(buttonNumber, ctrl, shift, alt, meta, &policy)) + return false; + + return policy == WebNavigationPolicyNewBackgroundTab; +} + +void ChromeClientImpl::show() +{ + if (!m_webView->client()) + return; + + // If our default configuration was modified by a script or wasn't + // created by a user gesture, then show as a popup. Else, let this + // new window be opened as a toplevel window. + bool asPopup = !m_toolbarsVisible + || !m_statusbarVisible + || !m_scrollbarsVisible + || !m_menubarVisible + || !m_resizable; + + WebNavigationPolicy policy = WebNavigationPolicyNewForegroundTab; + if (asPopup) + policy = WebNavigationPolicyNewPopup; + if (currentEventShouldCauseBackgroundTab(WebViewImpl::currentInputEvent())) + policy = WebNavigationPolicyNewBackgroundTab; + + m_webView->client()->show(policy); +} + +bool ChromeClientImpl::canRunModal() +{ + return !!m_webView->client(); +} + +void ChromeClientImpl::runModal() +{ + if (m_webView->client()) + m_webView->client()->runModal(); +} + +void ChromeClientImpl::setToolbarsVisible(bool value) +{ + m_toolbarsVisible = value; +} + +bool ChromeClientImpl::toolbarsVisible() +{ + return m_toolbarsVisible; +} + +void ChromeClientImpl::setStatusbarVisible(bool value) +{ + m_statusbarVisible = value; +} + +bool ChromeClientImpl::statusbarVisible() +{ + return m_statusbarVisible; +} + +void ChromeClientImpl::setScrollbarsVisible(bool value) +{ + m_scrollbarsVisible = value; + WebFrameImpl* web_frame = static_cast(m_webView->mainFrame()); + if (web_frame) + web_frame->setCanHaveScrollbars(value); +} + +bool ChromeClientImpl::scrollbarsVisible() +{ + return m_scrollbarsVisible; +} + +void ChromeClientImpl::setMenubarVisible(bool value) +{ + m_menubarVisible = value; +} + +bool ChromeClientImpl::menubarVisible() +{ + return m_menubarVisible; +} + +void ChromeClientImpl::setResizable(bool value) +{ + m_resizable = value; +} + +void ChromeClientImpl::addMessageToConsole(MessageSource source, + MessageType type, + MessageLevel level, + const String& message, + unsigned lineNumber, + const String& sourceID) +{ + if (m_webView->client()) { + m_webView->client()->didAddMessageToConsole( + WebConsoleMessage(static_cast(level), message), + sourceID, + lineNumber); + } +} + +bool ChromeClientImpl::canRunBeforeUnloadConfirmPanel() +{ + return !!m_webView->client(); +} + +bool ChromeClientImpl::runBeforeUnloadConfirmPanel(const String& message, Frame* frame) +{ + if (m_webView->client()) { + return m_webView->client()->runModalBeforeUnloadDialog( + WebFrameImpl::fromFrame(frame), message); + } + return false; +} + +void ChromeClientImpl::closeWindowSoon() +{ + // Make sure this Page can no longer be found by JS. + m_webView->page()->setGroupName(String()); + + // Make sure that all loading is stopped. Ensures that JS stops executing! + m_webView->mainFrame()->stopLoading(); + + if (m_webView->client()) + m_webView->client()->closeWidgetSoon(); +} + +// Although a Frame is passed in, we don't actually use it, since we +// already know our own m_webView. +void ChromeClientImpl::runJavaScriptAlert(Frame* frame, const String& message) +{ + if (m_webView->client()) { +#if USE(V8) + // Before showing the JavaScript dialog, we give the proxy implementation + // a chance to process any pending console messages. + V8Proxy::processConsoleMessages(); +#endif + m_webView->client()->runModalAlertDialog( + WebFrameImpl::fromFrame(frame), message); + } +} + +// See comments for runJavaScriptAlert(). +bool ChromeClientImpl::runJavaScriptConfirm(Frame* frame, const String& message) +{ + if (m_webView->client()) { + return m_webView->client()->runModalConfirmDialog( + WebFrameImpl::fromFrame(frame), message); + } + return false; +} + +// See comments for runJavaScriptAlert(). +bool ChromeClientImpl::runJavaScriptPrompt(Frame* frame, + const String& message, + const String& defaultValue, + String& result) +{ + if (m_webView->client()) { + WebString actualValue; + bool ok = m_webView->client()->runModalPromptDialog( + WebFrameImpl::fromFrame(frame), + message, + defaultValue, + &actualValue); + if (ok) + result = actualValue; + return ok; + } + return false; +} + +void ChromeClientImpl::setStatusbarText(const String& message) +{ + if (m_webView->client()) + m_webView->client()->setStatusText(message); +} + +bool ChromeClientImpl::shouldInterruptJavaScript() +{ + // FIXME: implement me + return false; +} + +bool ChromeClientImpl::tabsToLinks() const +{ + // Returns true if anchors should accept keyboard focus with the tab key. + // This method is used in a convoluted fashion by EventHandler::tabsToLinks. + // It's a twisted path (self-evident, but more complicated than seems + // necessary), but the net result is that returning true from here, on a + // platform other than MAC or QT, lets anchors get keyboard focus. + return m_webView->tabsToLinks(); +} + +IntRect ChromeClientImpl::windowResizerRect() const +{ + IntRect result; + if (m_webView->client()) + result = m_webView->client()->windowResizerRect(); + return result; +} + +void ChromeClientImpl::invalidateWindow(const IntRect&, bool) +{ + notImplemented(); +} + +void ChromeClientImpl::invalidateContentsAndWindow(const IntRect& updateRect, bool /*immediate*/) +{ + if (updateRect.isEmpty()) + return; + if (m_webView->client()) + m_webView->client()->didInvalidateRect(updateRect); +} + +void ChromeClientImpl::invalidateContentsForSlowScroll(const IntRect& updateRect, bool immediate) +{ + m_webView->hidePopups(); + invalidateContentsAndWindow(updateRect, immediate); +} + +void ChromeClientImpl::scroll( + const IntSize& scrollDelta, const IntRect& scrollRect, + const IntRect& clipRect) +{ + m_webView->hidePopups(); + if (m_webView->client()) { + int dx = scrollDelta.width(); + int dy = scrollDelta.height(); + m_webView->client()->didScrollRect(dx, dy, clipRect); + } +} + +IntPoint ChromeClientImpl::screenToWindow(const IntPoint&) const +{ + notImplemented(); + return IntPoint(); +} + +IntRect ChromeClientImpl::windowToScreen(const IntRect& rect) const +{ + IntRect screenRect(rect); + + if (m_webView->client()) { + WebRect windowRect = m_webView->client()->windowRect(); + screenRect.move(windowRect.x, windowRect.y); + } + + return screenRect; +} + +void ChromeClientImpl::contentsSizeChanged(Frame* frame, const IntSize& size) const +{ + WebFrameImpl* webframe = WebFrameImpl::fromFrame(frame); + if (webframe->client()) + webframe->client()->didChangeContentsSize(webframe, size); +} + +void ChromeClientImpl::scrollbarsModeDidChange() const +{ +} + +void ChromeClientImpl::mouseDidMoveOverElement( + const HitTestResult& result, unsigned modifierFlags) +{ + if (!m_webView->client()) + return; + // Find out if the mouse is over a link, and if so, let our UI know... + if (result.isLiveLink() && !result.absoluteLinkURL().string().isEmpty()) + m_webView->client()->setMouseOverURL(result.absoluteLinkURL()); + else + m_webView->client()->setMouseOverURL(WebURL()); +} + +void ChromeClientImpl::setToolTip(const String& tooltipText, TextDirection dir) +{ + if (!m_webView->client()) + return; + WebTextDirection textDirection = (dir == RTL) ? + WebTextDirectionRightToLeft : + WebTextDirectionLeftToRight; + m_webView->client()->setToolTipText( + tooltipText, textDirection); +} + +void ChromeClientImpl::print(Frame* frame) +{ + if (m_webView->client()) + m_webView->client()->printPage(WebFrameImpl::fromFrame(frame)); +} + +void ChromeClientImpl::exceededDatabaseQuota(Frame* frame, const String& databaseName) +{ + // Chromium users cannot currently change the default quota +} + +#if ENABLE(OFFLINE_WEB_APPLICATIONS) +void ChromeClientImpl::reachedMaxAppCacheSize(int64_t spaceNeeded) +{ + ASSERT_NOT_REACHED(); +} +#endif + +void ChromeClientImpl::runOpenPanel(Frame* frame, PassRefPtr fileChooser) +{ + WebViewClient* client = m_webView->client(); + if (!client) + return; + + WebFileChooserParams params; + params.multiSelect = fileChooser->allowsMultipleFiles(); +#if ENABLE(DIRECTORY_UPLOAD) + params.directory = fileChooser->allowsDirectoryUpload(); +#else + params.directory = false; +#endif + params.acceptTypes = fileChooser->acceptTypes(); + params.selectedFiles = fileChooser->filenames(); + if (params.selectedFiles.size() > 0) + params.initialValue = params.selectedFiles[0]; + WebFileChooserCompletionImpl* chooserCompletion = + new WebFileChooserCompletionImpl(fileChooser); + + if (client->runFileChooser(params, chooserCompletion)) + return; + + // Choosing failed, so do callback with an empty list. + chooserCompletion->didChooseFile(WebVector()); +} + +void ChromeClientImpl::chooseIconForFiles(const Vector&, WebCore::FileChooser*) +{ + notImplemented(); +} + +void ChromeClientImpl::popupOpened(PopupContainer* popupContainer, + const IntRect& bounds, + bool handleExternally) +{ + if (!m_webView->client()) + return; + + WebWidget* webwidget; + if (handleExternally) { + WebPopupMenuInfo popupInfo; + getPopupMenuInfo(popupContainer, &popupInfo); + webwidget = m_webView->client()->createPopupMenu(popupInfo); + } else { + webwidget = m_webView->client()->createPopupMenu( + convertPopupType(popupContainer->popupType())); + // We only notify when the WebView has to handle the popup, as when + // the popup is handled externally, the fact that a popup is showing is + // transparent to the WebView. + m_webView->popupOpened(popupContainer); + } + static_cast(webwidget)->Init(popupContainer, bounds); +} + +void ChromeClientImpl::popupClosed(WebCore::PopupContainer* popupContainer) +{ + m_webView->popupClosed(popupContainer); +} + +void ChromeClientImpl::setCursor(const WebCursorInfo& cursor) +{ + if (m_webView->client()) + m_webView->client()->didChangeCursor(cursor); +} + +void ChromeClientImpl::setCursorForPlugin(const WebCursorInfo& cursor) +{ + setCursor(cursor); +} + +void ChromeClientImpl::formStateDidChange(const Node* node) +{ + // The current history item is not updated yet. That happens lazily when + // WebFrame::currentHistoryItem is requested. + WebFrameImpl* webframe = WebFrameImpl::fromFrame(node->document()->frame()); + if (webframe->client()) + webframe->client()->didUpdateCurrentHistoryItem(webframe); +} + +void ChromeClientImpl::getPopupMenuInfo(PopupContainer* popupContainer, + WebPopupMenuInfo* info) +{ + const Vector& inputItems = popupContainer->popupData(); + + WebVector outputItems(inputItems.size()); + + for (size_t i = 0; i < inputItems.size(); ++i) { + const PopupItem& inputItem = *inputItems[i]; + WebPopupMenuInfo::Item& outputItem = outputItems[i]; + + outputItem.label = inputItem.label; + outputItem.enabled = inputItem.enabled; + + switch (inputItem.type) { + case PopupItem::TypeOption: + outputItem.type = WebPopupMenuInfo::Item::Option; + break; + case PopupItem::TypeGroup: + outputItem.type = WebPopupMenuInfo::Item::Group; + break; + case PopupItem::TypeSeparator: + outputItem.type = WebPopupMenuInfo::Item::Separator; + break; + default: + ASSERT_NOT_REACHED(); + } + } + + info->itemHeight = popupContainer->menuItemHeight(); + info->itemFontSize = popupContainer->menuItemFontSize(); + info->selectedIndex = popupContainer->selectedIndex(); + info->items.swap(outputItems); + info->rightAligned = popupContainer->menuStyle().textDirection() == RTL; +} + +void ChromeClientImpl::didChangeAccessibilityObjectState(AccessibilityObject* obj) +{ + // Alert assistive technology about the accessibility object state change + if (obj) + m_webView->client()->didChangeAccessibilityObjectState(WebAccessibilityObject(obj)); +} + +#if ENABLE(NOTIFICATIONS) +NotificationPresenter* ChromeClientImpl::notificationPresenter() const +{ + return m_webView->notificationPresenterImpl(); +} +#endif + +void ChromeClientImpl::requestGeolocationPermissionForFrame(Frame* frame, Geolocation* geolocation) +{ + GeolocationServiceChromium* geolocationService = static_cast(geolocation->getGeolocationService()); + geolocationService->geolocationServiceBridge()->attachBridgeIfNeeded(); + m_webView->client()->geolocationService()->requestPermissionForFrame(geolocationService->geolocationServiceBridge()->getBridgeId(), frame->document()->url()); +} + +void ChromeClientImpl::cancelGeolocationPermissionRequestForFrame(Frame* frame, Geolocation* geolocation) +{ + GeolocationServiceChromium* geolocationService = static_cast(geolocation->getGeolocationService()); + m_webView->client()->geolocationService()->cancelPermissionRequestForFrame(geolocationService->geolocationServiceBridge()->getBridgeId(), frame->document()->url()); +} + +#if USE(ACCELERATED_COMPOSITING) +void ChromeClientImpl::attachRootGraphicsLayer(Frame* frame, GraphicsLayer* graphicsLayer) +{ + m_webView->setRootGraphicsLayer(graphicsLayer ? graphicsLayer->platformLayer() : 0); +} + +void ChromeClientImpl::scheduleCompositingLayerSync() +{ + m_webView->setRootLayerNeedsDisplay(); +} + +PassOwnPtr ChromeClientImpl::getOnscreenGLES2Context() +{ + return m_webView->getOnscreenGLES2Context(); +} + +PassOwnPtr ChromeClientImpl::getOffscreenGLES2Context() +{ + return m_webView->getOffscreenGLES2Context(); +} +#endif + +bool ChromeClientImpl::supportsFullscreenForNode(const WebCore::Node* node) +{ + if (m_webView->client() && node->hasTagName(WebCore::HTMLNames::videoTag)) + return m_webView->client()->supportsFullscreen(); + return false; +} + +void ChromeClientImpl::enterFullscreenForNode(WebCore::Node* node) +{ + if (m_webView->client()) + m_webView->client()->enterFullscreenForNode(WebNode(node)); +} + +void ChromeClientImpl::exitFullscreenForNode(WebCore::Node* node) +{ + if (m_webView->client()) + m_webView->client()->exitFullscreenForNode(WebNode(node)); +} + +} // namespace WebKit