--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/chromium/src/WebViewImpl.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,2191 @@
+/*
+ * Copyright (C) 2010 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 "WebViewImpl.h"
+
+#include "AutoFillPopupMenuClient.h"
+#include "AXObjectCache.h"
+#include "Chrome.h"
+#include "CompositionUnderlineVectorBuilder.h"
+#include "ContextMenu.h"
+#include "ContextMenuController.h"
+#include "ContextMenuItem.h"
+#include "CSSStyleSelector.h"
+#include "CSSValueKeywords.h"
+#include "Cursor.h"
+#include "Document.h"
+#include "DocumentLoader.h"
+#include "DOMUtilitiesPrivate.h"
+#include "DragController.h"
+#include "DragScrollTimer.h"
+#include "DragData.h"
+#include "Editor.h"
+#include "EventHandler.h"
+#include "FocusController.h"
+#include "FontDescription.h"
+#include "FrameLoader.h"
+#include "FrameTree.h"
+#include "FrameView.h"
+#include "GLES2Context.h"
+#include "GLES2ContextInternal.h"
+#include "GraphicsContext.h"
+#include "HTMLInputElement.h"
+#include "HTMLMediaElement.h"
+#include "HitTestResult.h"
+#include "HTMLNames.h"
+#include "Image.h"
+#include "InspectorController.h"
+#include "IntRect.h"
+#include "KeyboardCodes.h"
+#include "KeyboardEvent.h"
+#include "MIMETypeRegistry.h"
+#include "NodeRenderStyle.h"
+#include "Page.h"
+#include "PageGroup.h"
+#include "PageGroupLoadDeferrer.h"
+#include "Pasteboard.h"
+#include "PlatformContextSkia.h"
+#include "PlatformKeyboardEvent.h"
+#include "PlatformMouseEvent.h"
+#include "PlatformThemeChromiumGtk.h"
+#include "PlatformWheelEvent.h"
+#include "PopupMenuChromium.h"
+#include "PopupMenuClient.h"
+#include "ProgressTracker.h"
+#include "RenderView.h"
+#include "ResourceHandle.h"
+#include "SecurityOrigin.h"
+#include "SelectionController.h"
+#include "Settings.h"
+#include "Timer.h"
+#include "TypingCommand.h"
+#include "Vector.h"
+#include "WebAccessibilityObject.h"
+#include "WebDevToolsAgentPrivate.h"
+#include "WebDevToolsAgentImpl.h"
+#include "WebDragData.h"
+#include "WebFrameImpl.h"
+#include "WebImage.h"
+#include "WebInputElement.h"
+#include "WebInputEvent.h"
+#include "WebInputEventConversion.h"
+#include "WebKit.h"
+#include "WebKitClient.h"
+#include "WebMediaPlayerAction.h"
+#include "WebNode.h"
+#include "WebPlugin.h"
+#include "WebPluginContainerImpl.h"
+#include "WebPoint.h"
+#include "WebPopupMenuImpl.h"
+#include "WebRect.h"
+#include "WebSettingsImpl.h"
+#include "WebString.h"
+#include "WebVector.h"
+#include "WebViewClient.h"
+#include "wtf/OwnPtr.h"
+
+#if OS(WINDOWS)
+#include "RenderThemeChromiumWin.h"
+#else
+#if OS(LINUX)
+#include "RenderThemeChromiumLinux.h"
+#endif
+#include "RenderTheme.h"
+#endif
+
+// Get rid of WTF's pow define so we can use std::pow.
+#undef pow
+#include <cmath> // for std::pow
+
+using namespace WebCore;
+
+namespace WebKit {
+
+// Change the text zoom level by kTextSizeMultiplierRatio each time the user
+// zooms text in or out (ie., change by 20%). The min and max values limit
+// text zoom to half and 3x the original text size. These three values match
+// those in Apple's port in WebKit/WebKit/WebView/WebView.mm
+static const double textSizeMultiplierRatio = 1.2;
+static const double minTextSizeMultiplier = 0.5;
+static const double maxTextSizeMultiplier = 3.0;
+
+// The group name identifies a namespace of pages. Page group is used on OSX
+// for some programs that use HTML views to display things that don't seem like
+// web pages to the user (so shouldn't have visited link coloring). We only use
+// one page group.
+const char* pageGroupName = "default";
+
+// Used to defer all page activity in cases where the embedder wishes to run
+// a nested event loop. Using a stack enables nesting of message loop invocations.
+static Vector<PageGroupLoadDeferrer*> pageGroupLoadDeferrerStack;
+
+// Ensure that the WebDragOperation enum values stay in sync with the original
+// DragOperation constants.
+#define COMPILE_ASSERT_MATCHING_ENUM(coreName) \
+ COMPILE_ASSERT(int(coreName) == int(Web##coreName), dummy##coreName)
+COMPILE_ASSERT_MATCHING_ENUM(DragOperationNone);
+COMPILE_ASSERT_MATCHING_ENUM(DragOperationCopy);
+COMPILE_ASSERT_MATCHING_ENUM(DragOperationLink);
+COMPILE_ASSERT_MATCHING_ENUM(DragOperationGeneric);
+COMPILE_ASSERT_MATCHING_ENUM(DragOperationPrivate);
+COMPILE_ASSERT_MATCHING_ENUM(DragOperationMove);
+COMPILE_ASSERT_MATCHING_ENUM(DragOperationDelete);
+COMPILE_ASSERT_MATCHING_ENUM(DragOperationEvery);
+
+static const PopupContainerSettings autoFillPopupSettings = {
+ false, // setTextOnIndexChange
+ false, // acceptOnAbandon
+ true, // loopSelectionNavigation
+ false, // restrictWidthOfListBox (For security reasons show the entire entry
+ // so the user doesn't enter information it did not intend to.)
+ // For suggestions, we use the direction of the input field as the direction
+ // of the popup items. The main reason is to keep the display of items in
+ // drop-down the same as the items in the input field.
+ PopupContainerSettings::DOMElementDirection,
+};
+
+// WebView ----------------------------------------------------------------
+
+WebView* WebView::create(WebViewClient* client, WebDevToolsAgentClient* devToolsClient)
+{
+ // Pass the WebViewImpl's self-reference to the caller.
+ return adoptRef(new WebViewImpl(client, devToolsClient)).leakRef();
+}
+
+void WebView::updateVisitedLinkState(unsigned long long linkHash)
+{
+ Page::visitedStateChanged(PageGroup::pageGroup(pageGroupName), linkHash);
+}
+
+void WebView::resetVisitedLinkState()
+{
+ Page::allVisitedStateChanged(PageGroup::pageGroup(pageGroupName));
+}
+
+void WebView::willEnterModalLoop()
+{
+ PageGroup* pageGroup = PageGroup::pageGroup(pageGroupName);
+ ASSERT(pageGroup);
+
+ if (pageGroup->pages().isEmpty())
+ pageGroupLoadDeferrerStack.append(static_cast<PageGroupLoadDeferrer*>(0));
+ else {
+ // Pick any page in the page group since we are deferring all pages.
+ pageGroupLoadDeferrerStack.append(new PageGroupLoadDeferrer(*pageGroup->pages().begin(), true));
+ }
+}
+
+void WebView::didExitModalLoop()
+{
+ ASSERT(pageGroupLoadDeferrerStack.size());
+
+ delete pageGroupLoadDeferrerStack.last();
+ pageGroupLoadDeferrerStack.removeLast();
+}
+
+void WebViewImpl::initializeMainFrame(WebFrameClient* frameClient)
+{
+ // NOTE: The WebFrameImpl takes a reference to itself within InitMainFrame
+ // and releases that reference once the corresponding Frame is destroyed.
+ RefPtr<WebFrameImpl> frame = WebFrameImpl::create(frameClient);
+
+ frame->initializeAsMainFrame(this);
+
+ // Restrict the access to the local file system
+ // (see WebView.mm WebView::_commonInitializationWithFrameName).
+ SecurityOrigin::setLocalLoadPolicy(SecurityOrigin::AllowLocalLoadsForLocalOnly);
+}
+
+WebViewImpl::WebViewImpl(WebViewClient* client, WebDevToolsAgentClient* devToolsClient)
+ : m_client(client)
+ , m_backForwardListClientImpl(this)
+ , m_chromeClientImpl(this)
+ , m_contextMenuClientImpl(this)
+ , m_dragClientImpl(this)
+ , m_editorClientImpl(this)
+ , m_inspectorClientImpl(this)
+ , m_observedNewNavigation(false)
+#ifndef NDEBUG
+ , m_newNavigationLoader(0)
+#endif
+ , m_zoomLevel(0)
+ , m_contextMenuAllowed(false)
+ , m_doingDragAndDrop(false)
+ , m_ignoreInputEvents(false)
+ , m_suppressNextKeypressEvent(false)
+ , m_initialNavigationPolicy(WebNavigationPolicyIgnore)
+ , m_imeAcceptEvents(true)
+ , m_dragTargetDispatch(false)
+ , m_dragIdentity(0)
+ , m_dropEffect(DropEffectDefault)
+ , m_operationsAllowed(WebDragOperationNone)
+ , m_dragOperation(WebDragOperationNone)
+ , m_autoFillPopupShowing(false)
+ , m_autoFillPopupClient(0)
+ , m_autoFillPopup(0)
+ , m_isTransparent(false)
+ , m_tabsToLinks(false)
+ , m_dragScrollTimer(new DragScrollTimer())
+#if USE(ACCELERATED_COMPOSITING)
+ , m_layerRenderer(0)
+ , m_isAcceleratedCompositingActive(false)
+#endif
+ , m_gles2Context(0)
+{
+ // WebKit/win/WebView.cpp does the same thing, except they call the
+ // KJS specific wrapper around this method. We need to have threading
+ // initialized because CollatorICU requires it.
+ WTF::initializeThreading();
+ WTF::initializeMainThread();
+
+ // set to impossible point so we always get the first mouse pos
+ m_lastMousePosition = WebPoint(-1, -1);
+
+ if (devToolsClient)
+ m_devToolsAgent = new WebDevToolsAgentImpl(this, devToolsClient);
+
+ m_page.set(new Page(&m_chromeClientImpl, &m_contextMenuClientImpl, &m_editorClientImpl, &m_dragClientImpl, &m_inspectorClientImpl, 0, 0, 0, 0));
+
+ // the page will take ownership of the various clients
+
+ m_page->backForwardList()->setClient(&m_backForwardListClientImpl);
+ m_page->setGroupName(pageGroupName);
+
+ m_inspectorSettingsMap.set(new SettingsMap);
+}
+
+WebViewImpl::~WebViewImpl()
+{
+ ASSERT(!m_page);
+}
+
+RenderTheme* WebViewImpl::theme() const
+{
+ return m_page.get() ? m_page->theme() : RenderTheme::defaultTheme().get();
+}
+
+WebFrameImpl* WebViewImpl::mainFrameImpl()
+{
+ return m_page.get() ? WebFrameImpl::fromFrame(m_page->mainFrame()) : 0;
+}
+
+bool WebViewImpl::tabKeyCyclesThroughElements() const
+{
+ ASSERT(m_page.get());
+ return m_page->tabKeyCyclesThroughElements();
+}
+
+void WebViewImpl::setTabKeyCyclesThroughElements(bool value)
+{
+ if (m_page)
+ m_page->setTabKeyCyclesThroughElements(value);
+}
+
+void WebViewImpl::mouseMove(const WebMouseEvent& event)
+{
+ if (!mainFrameImpl() || !mainFrameImpl()->frameView())
+ return;
+
+ m_lastMousePosition = WebPoint(event.x, event.y);
+
+ // We call mouseMoved here instead of handleMouseMovedEvent because we need
+ // our ChromeClientImpl to receive changes to the mouse position and
+ // tooltip text, and mouseMoved handles all of that.
+ mainFrameImpl()->frame()->eventHandler()->mouseMoved(
+ PlatformMouseEventBuilder(mainFrameImpl()->frameView(), event));
+}
+
+void WebViewImpl::mouseLeave(const WebMouseEvent& event)
+{
+ // This event gets sent as the main frame is closing. In that case, just
+ // ignore it.
+ if (!mainFrameImpl() || !mainFrameImpl()->frameView())
+ return;
+
+ m_client->setMouseOverURL(WebURL());
+
+ mainFrameImpl()->frame()->eventHandler()->handleMouseMoveEvent(
+ PlatformMouseEventBuilder(mainFrameImpl()->frameView(), event));
+}
+
+void WebViewImpl::mouseDown(const WebMouseEvent& event)
+{
+ if (!mainFrameImpl() || !mainFrameImpl()->frameView())
+ return;
+
+ // If there is a select popup open, close it as the user is clicking on
+ // the page (outside of the popup). We also save it so we can prevent a
+ // click on the select element from immediately reopening the popup.
+ RefPtr<WebCore::PopupContainer> selectPopup;
+ if (event.button == WebMouseEvent::ButtonLeft) {
+ selectPopup = m_selectPopup;
+ hideSelectPopup();
+ ASSERT(!m_selectPopup);
+ }
+
+ m_lastMouseDownPoint = WebPoint(event.x, event.y);
+
+ RefPtr<Node> clickedNode;
+ if (event.button == WebMouseEvent::ButtonLeft) {
+ IntPoint point(event.x, event.y);
+ point = m_page->mainFrame()->view()->windowToContents(point);
+ HitTestResult result(m_page->mainFrame()->eventHandler()->hitTestResultAtPoint(point, false));
+ Node* hitNode = result.innerNonSharedNode();
+
+ // Take capture on a mouse down on a plugin so we can send it mouse events.
+ if (hitNode && hitNode->renderer() && hitNode->renderer()->isEmbeddedObject())
+ m_mouseCaptureNode = hitNode;
+
+ // If a text field that has focus is clicked again, we should display the
+ // AutoFill popup.
+ RefPtr<Node> focusedNode = focusedWebCoreNode();
+ if (focusedNode.get() && toHTMLInputElement(focusedNode.get())) {
+ if (hitNode == focusedNode) {
+ // Already focused text field was clicked, let's remember this. If
+ // focus has not changed after the mouse event is processed, we'll
+ // trigger the autocomplete.
+ clickedNode = focusedNode;
+ }
+ }
+ }
+
+ mainFrameImpl()->frame()->loader()->resetMultipleFormSubmissionProtection();
+
+ mainFrameImpl()->frame()->eventHandler()->handleMousePressEvent(
+ PlatformMouseEventBuilder(mainFrameImpl()->frameView(), event));
+
+ if (clickedNode.get() && clickedNode == focusedWebCoreNode()) {
+ // Focus has not changed, show the AutoFill popup.
+ static_cast<EditorClientImpl*>(m_page->editorClient())->
+ showFormAutofillForNode(clickedNode.get());
+ }
+ if (m_selectPopup && m_selectPopup == selectPopup) {
+ // That click triggered a select popup which is the same as the one that
+ // was showing before the click. It means the user clicked the select
+ // while the popup was showing, and as a result we first closed then
+ // immediately reopened the select popup. It needs to be closed.
+ hideSelectPopup();
+ }
+
+ // Dispatch the contextmenu event regardless of if the click was swallowed.
+ // On Windows, we handle it on mouse up, not down.
+#if OS(DARWIN)
+ if (event.button == WebMouseEvent::ButtonRight
+ || (event.button == WebMouseEvent::ButtonLeft
+ && event.modifiers & WebMouseEvent::ControlKey))
+ mouseContextMenu(event);
+#elif OS(LINUX)
+ if (event.button == WebMouseEvent::ButtonRight)
+ mouseContextMenu(event);
+#endif
+}
+
+void WebViewImpl::mouseContextMenu(const WebMouseEvent& event)
+{
+ if (!mainFrameImpl() || !mainFrameImpl()->frameView())
+ return;
+
+ m_page->contextMenuController()->clearContextMenu();
+
+ PlatformMouseEventBuilder pme(mainFrameImpl()->frameView(), event);
+
+ // Find the right target frame. See issue 1186900.
+ HitTestResult result = hitTestResultForWindowPos(pme.pos());
+ Frame* targetFrame;
+ if (result.innerNonSharedNode())
+ targetFrame = result.innerNonSharedNode()->document()->frame();
+ else
+ targetFrame = m_page->focusController()->focusedOrMainFrame();
+
+#if OS(WINDOWS)
+ targetFrame->view()->setCursor(pointerCursor());
+#endif
+
+ m_contextMenuAllowed = true;
+ targetFrame->eventHandler()->sendContextMenuEvent(pme);
+ m_contextMenuAllowed = false;
+ // Actually showing the context menu is handled by the ContextMenuClient
+ // implementation...
+}
+
+void WebViewImpl::mouseUp(const WebMouseEvent& event)
+{
+ if (!mainFrameImpl() || !mainFrameImpl()->frameView())
+ return;
+
+#if OS(LINUX)
+ // If the event was a middle click, attempt to copy text into the focused
+ // frame. We execute this before we let the page have a go at the event
+ // because the page may change what is focused during in its event handler.
+ //
+ // This code is in the mouse up handler. There is some debate about putting
+ // this here, as opposed to the mouse down handler.
+ // xterm: pastes on up.
+ // GTK: pastes on down.
+ // Firefox: pastes on up.
+ // Midori: couldn't paste at all with 0.1.2
+ //
+ // There is something of a webcompat angle to this well, as highlighted by
+ // crbug.com/14608. Pages can clear text boxes 'onclick' and, if we paste on
+ // down then the text is pasted just before the onclick handler runs and
+ // clears the text box. So it's important this happens after the
+ // handleMouseReleaseEvent() earlier in this function
+ if (event.button == WebMouseEvent::ButtonMiddle) {
+ Frame* focused = focusedWebCoreFrame();
+ FrameView* view = m_page->mainFrame()->view();
+ IntPoint clickPoint(m_lastMouseDownPoint.x, m_lastMouseDownPoint.y);
+ IntPoint contentPoint = view->windowToContents(clickPoint);
+ HitTestResult hitTestResult = focused->eventHandler()->hitTestResultAtPoint(contentPoint, false, false, ShouldHitTestScrollbars);
+ // We don't want to send a paste when middle clicking a scroll bar or a
+ // link (which will navigate later in the code). The main scrollbars
+ // have to be handled separately.
+ if (!hitTestResult.scrollbar() && !hitTestResult.isLiveLink() && focused && !view->scrollbarAtPoint(clickPoint)) {
+ Editor* editor = focused->editor();
+ Pasteboard* pasteboard = Pasteboard::generalPasteboard();
+ bool oldSelectionMode = pasteboard->isSelectionMode();
+ pasteboard->setSelectionMode(true);
+ editor->command(AtomicString("Paste")).execute();
+ pasteboard->setSelectionMode(oldSelectionMode);
+ }
+ }
+#endif
+
+ mainFrameImpl()->frame()->eventHandler()->handleMouseReleaseEvent(
+ PlatformMouseEventBuilder(mainFrameImpl()->frameView(), event));
+
+#if OS(WINDOWS)
+ // Dispatch the contextmenu event regardless of if the click was swallowed.
+ // On Mac/Linux, we handle it on mouse down, not up.
+ if (event.button == WebMouseEvent::ButtonRight)
+ mouseContextMenu(event);
+#endif
+}
+
+void WebViewImpl::mouseWheel(const WebMouseWheelEvent& event)
+{
+ PlatformWheelEventBuilder platformEvent(mainFrameImpl()->frameView(), event);
+ mainFrameImpl()->frame()->eventHandler()->handleWheelEvent(platformEvent);
+}
+
+bool WebViewImpl::keyEvent(const WebKeyboardEvent& event)
+{
+ ASSERT((event.type == WebInputEvent::RawKeyDown)
+ || (event.type == WebInputEvent::KeyDown)
+ || (event.type == WebInputEvent::KeyUp));
+
+ // Please refer to the comments explaining the m_suppressNextKeypressEvent
+ // member.
+ // The m_suppressNextKeypressEvent is set if the KeyDown is handled by
+ // Webkit. A keyDown event is typically associated with a keyPress(char)
+ // event and a keyUp event. We reset this flag here as this is a new keyDown
+ // event.
+ m_suppressNextKeypressEvent = false;
+
+ // Give any select popup a chance at consuming the key event.
+ if (selectPopupHandleKeyEvent(event))
+ return true;
+
+ // Give Autocomplete a chance to consume the key events it is interested in.
+ if (autocompleteHandleKeyEvent(event))
+ return true;
+
+ Frame* frame = focusedWebCoreFrame();
+ if (!frame)
+ return false;
+
+ EventHandler* handler = frame->eventHandler();
+ if (!handler)
+ return keyEventDefault(event);
+
+#if OS(WINDOWS) || OS(LINUX)
+ const WebInputEvent::Type contextMenuTriggeringEventType =
+#if OS(WINDOWS)
+ WebInputEvent::KeyUp;
+#elif OS(LINUX)
+ WebInputEvent::RawKeyDown;
+#endif
+
+ if (((!event.modifiers && (event.windowsKeyCode == VKEY_APPS))
+ || ((event.modifiers == WebInputEvent::ShiftKey) && (event.windowsKeyCode == VKEY_F10)))
+ && event.type == contextMenuTriggeringEventType) {
+ sendContextMenuEvent(event);
+ return true;
+ }
+#endif
+
+ // It's not clear if we should continue after detecting a capslock keypress.
+ // I'll err on the side of continuing, which is the pre-existing behaviour.
+ if (event.windowsKeyCode == VKEY_CAPITAL)
+ handler->capsLockStateMayHaveChanged();
+
+ PlatformKeyboardEventBuilder evt(event);
+
+ if (handler->keyEvent(evt)) {
+ if (WebInputEvent::RawKeyDown == event.type) {
+ // Suppress the next keypress event unless the focused node is a plug-in node.
+ // (Flash needs these keypress events to handle non-US keyboards.)
+ Node* node = frame->document()->focusedNode();
+ if (!node || !node->renderer() || !node->renderer()->isEmbeddedObject())
+ m_suppressNextKeypressEvent = true;
+ }
+ return true;
+ }
+
+ return keyEventDefault(event);
+}
+
+bool WebViewImpl::selectPopupHandleKeyEvent(const WebKeyboardEvent& event)
+{
+ if (!m_selectPopup)
+ return false;
+
+ return m_selectPopup->handleKeyEvent(PlatformKeyboardEventBuilder(event));
+}
+
+bool WebViewImpl::autocompleteHandleKeyEvent(const WebKeyboardEvent& event)
+{
+ if (!m_autoFillPopupShowing
+ // Home and End should be left to the text field to process.
+ || event.windowsKeyCode == VKEY_HOME
+ || event.windowsKeyCode == VKEY_END)
+ return false;
+
+ // Pressing delete triggers the removal of the selected suggestion from the DB.
+ if (event.windowsKeyCode == VKEY_DELETE
+ && m_autoFillPopup->selectedIndex() != -1) {
+ Node* node = focusedWebCoreNode();
+ if (!node || (node->nodeType() != Node::ELEMENT_NODE)) {
+ ASSERT_NOT_REACHED();
+ return false;
+ }
+ Element* element = static_cast<Element*>(node);
+ if (!element->hasLocalName(HTMLNames::inputTag)) {
+ ASSERT_NOT_REACHED();
+ return false;
+ }
+
+ int selectedIndex = m_autoFillPopup->selectedIndex();
+
+ if (!m_autoFillPopupClient->canRemoveSuggestionAtIndex(selectedIndex))
+ return false;
+
+ WebString name = WebInputElement(static_cast<HTMLInputElement*>(element)).nameForAutofill();
+ WebString value = m_autoFillPopupClient->itemText(selectedIndex);
+ m_client->removeAutofillSuggestions(name, value);
+ // Update the entries in the currently showing popup to reflect the
+ // deletion.
+ m_autoFillPopupClient->removeSuggestionAtIndex(selectedIndex);
+ refreshAutoFillPopup();
+ return false;
+ }
+
+ if (!m_autoFillPopup->isInterestedInEventForKey(event.windowsKeyCode))
+ return false;
+
+ if (m_autoFillPopup->handleKeyEvent(PlatformKeyboardEventBuilder(event))) {
+ // We need to ignore the next Char event after this otherwise pressing
+ // enter when selecting an item in the menu will go to the page.
+ if (WebInputEvent::RawKeyDown == event.type)
+ m_suppressNextKeypressEvent = true;
+ return true;
+ }
+
+ return false;
+}
+
+bool WebViewImpl::charEvent(const WebKeyboardEvent& event)
+{
+ ASSERT(event.type == WebInputEvent::Char);
+
+ // Please refer to the comments explaining the m_suppressNextKeypressEvent
+ // member. The m_suppressNextKeypressEvent is set if the KeyDown is
+ // handled by Webkit. A keyDown event is typically associated with a
+ // keyPress(char) event and a keyUp event. We reset this flag here as it
+ // only applies to the current keyPress event.
+ bool suppress = m_suppressNextKeypressEvent;
+ m_suppressNextKeypressEvent = false;
+
+ Frame* frame = focusedWebCoreFrame();
+ if (!frame)
+ return suppress;
+
+ EventHandler* handler = frame->eventHandler();
+ if (!handler)
+ return suppress || keyEventDefault(event);
+
+ PlatformKeyboardEventBuilder evt(event);
+ if (!evt.isCharacterKey())
+ return true;
+
+ // Accesskeys are triggered by char events and can't be suppressed.
+ if (handler->handleAccessKey(evt))
+ return true;
+
+ // Safari 3.1 does not pass off windows system key messages (WM_SYSCHAR) to
+ // the eventHandler::keyEvent. We mimic this behavior on all platforms since
+ // for now we are converting other platform's key events to windows key
+ // events.
+ if (evt.isSystemKey())
+ return false;
+
+ if (!suppress && !handler->keyEvent(evt))
+ return keyEventDefault(event);
+
+ return true;
+}
+
+#if ENABLE(TOUCH_EVENTS)
+bool WebViewImpl::touchEvent(const WebTouchEvent& event)
+{
+ if (!mainFrameImpl() || !mainFrameImpl()->frameView())
+ return false;
+
+ PlatformTouchEventBuilder touchEventBuilder(mainFrameImpl()->frameView(), event);
+ return mainFrameImpl()->frame()->eventHandler()->handleTouchEvent(touchEventBuilder);
+}
+#endif
+
+#if OS(WINDOWS) || OS(LINUX)
+// Mac has no way to open a context menu based on a keyboard event.
+bool WebViewImpl::sendContextMenuEvent(const WebKeyboardEvent& event)
+{
+ // The contextMenuController() holds onto the last context menu that was
+ // popped up on the page until a new one is created. We need to clear
+ // this menu before propagating the event through the DOM so that we can
+ // detect if we create a new menu for this event, since we won't create
+ // a new menu if the DOM swallows the event and the defaultEventHandler does
+ // not run.
+ page()->contextMenuController()->clearContextMenu();
+
+ m_contextMenuAllowed = true;
+ Frame* focusedFrame = page()->focusController()->focusedOrMainFrame();
+ bool handled = focusedFrame->eventHandler()->sendContextMenuEventForKey();
+ m_contextMenuAllowed = false;
+ return handled;
+}
+#endif
+
+bool WebViewImpl::keyEventDefault(const WebKeyboardEvent& event)
+{
+ Frame* frame = focusedWebCoreFrame();
+ if (!frame)
+ return false;
+
+ switch (event.type) {
+ case WebInputEvent::Char:
+ if (event.windowsKeyCode == VKEY_SPACE) {
+ int keyCode = ((event.modifiers & WebInputEvent::ShiftKey) ? VKEY_PRIOR : VKEY_NEXT);
+ return scrollViewWithKeyboard(keyCode, event.modifiers);
+ }
+ break;
+ case WebInputEvent::RawKeyDown:
+ if (event.modifiers == WebInputEvent::ControlKey) {
+ switch (event.windowsKeyCode) {
+#if !OS(DARWIN)
+ case 'A':
+ focusedFrame()->executeCommand(WebString::fromUTF8("SelectAll"));
+ return true;
+ case VKEY_INSERT:
+ case 'C':
+ focusedFrame()->executeCommand(WebString::fromUTF8("Copy"));
+ return true;
+#endif
+ // Match FF behavior in the sense that Ctrl+home/end are the only Ctrl
+ // key combinations which affect scrolling. Safari is buggy in the
+ // sense that it scrolls the page for all Ctrl+scrolling key
+ // combinations. For e.g. Ctrl+pgup/pgdn/up/down, etc.
+ case VKEY_HOME:
+ case VKEY_END:
+ break;
+ default:
+ return false;
+ }
+ }
+ if (!event.isSystemKey && !(event.modifiers & WebInputEvent::ShiftKey))
+ return scrollViewWithKeyboard(event.windowsKeyCode, event.modifiers);
+ break;
+ default:
+ break;
+ }
+ return false;
+}
+
+bool WebViewImpl::scrollViewWithKeyboard(int keyCode, int modifiers)
+{
+ ScrollDirection scrollDirection;
+ ScrollGranularity scrollGranularity;
+ if (!mapKeyCodeForScroll(keyCode, &scrollDirection, &scrollGranularity))
+ return false;
+ return propagateScroll(scrollDirection, scrollGranularity);
+}
+
+bool WebViewImpl::mapKeyCodeForScroll(int keyCode,
+ WebCore::ScrollDirection* scrollDirection,
+ WebCore::ScrollGranularity* scrollGranularity)
+{
+ switch (keyCode) {
+ case VKEY_LEFT:
+ *scrollDirection = ScrollLeft;
+ *scrollGranularity = ScrollByLine;
+ break;
+ case VKEY_RIGHT:
+ *scrollDirection = ScrollRight;
+ *scrollGranularity = ScrollByLine;
+ break;
+ case VKEY_UP:
+ *scrollDirection = ScrollUp;
+ *scrollGranularity = ScrollByLine;
+ break;
+ case VKEY_DOWN:
+ *scrollDirection = ScrollDown;
+ *scrollGranularity = ScrollByLine;
+ break;
+ case VKEY_HOME:
+ *scrollDirection = ScrollUp;
+ *scrollGranularity = ScrollByDocument;
+ break;
+ case VKEY_END:
+ *scrollDirection = ScrollDown;
+ *scrollGranularity = ScrollByDocument;
+ break;
+ case VKEY_PRIOR: // page up
+ *scrollDirection = ScrollUp;
+ *scrollGranularity = ScrollByPage;
+ break;
+ case VKEY_NEXT: // page down
+ *scrollDirection = ScrollDown;
+ *scrollGranularity = ScrollByPage;
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+void WebViewImpl::hideSelectPopup()
+{
+ if (m_selectPopup.get())
+ m_selectPopup->hidePopup();
+}
+
+bool WebViewImpl::propagateScroll(ScrollDirection scrollDirection,
+ ScrollGranularity scrollGranularity)
+{
+ Frame* frame = focusedWebCoreFrame();
+ if (!frame)
+ return false;
+
+ bool scrollHandled =
+ frame->eventHandler()->scrollOverflow(scrollDirection,
+ scrollGranularity);
+ Frame* currentFrame = frame;
+ while (!scrollHandled && currentFrame) {
+ scrollHandled = currentFrame->view()->scroll(scrollDirection,
+ scrollGranularity);
+ currentFrame = currentFrame->tree()->parent();
+ }
+ return scrollHandled;
+}
+
+void WebViewImpl::popupOpened(WebCore::PopupContainer* popupContainer)
+{
+ if (popupContainer->popupType() == WebCore::PopupContainer::Select) {
+ ASSERT(!m_selectPopup);
+ m_selectPopup = popupContainer;
+ }
+}
+
+void WebViewImpl::popupClosed(WebCore::PopupContainer* popupContainer)
+{
+ if (popupContainer->popupType() == WebCore::PopupContainer::Select) {
+ ASSERT(m_selectPopup.get());
+ m_selectPopup = 0;
+ }
+}
+
+void WebViewImpl::hideAutoFillPopup()
+{
+ if (m_autoFillPopupShowing) {
+ m_autoFillPopup->hidePopup();
+ m_autoFillPopupShowing = false;
+ }
+}
+
+Frame* WebViewImpl::focusedWebCoreFrame()
+{
+ return m_page.get() ? m_page->focusController()->focusedOrMainFrame() : 0;
+}
+
+WebViewImpl* WebViewImpl::fromPage(Page* page)
+{
+ if (!page)
+ return 0;
+
+ return static_cast<ChromeClientImpl*>(page->chrome()->client())->webView();
+}
+
+// WebWidget ------------------------------------------------------------------
+
+void WebViewImpl::close()
+{
+ RefPtr<WebFrameImpl> mainFrameImpl;
+
+ if (m_page.get()) {
+ // Initiate shutdown for the entire frameset. This will cause a lot of
+ // notifications to be sent.
+ if (m_page->mainFrame()) {
+ mainFrameImpl = WebFrameImpl::fromFrame(m_page->mainFrame());
+ m_page->mainFrame()->loader()->frameDetached();
+ }
+ m_page.clear();
+ }
+
+ // Should happen after m_page.clear().
+ if (m_devToolsAgent.get())
+ m_devToolsAgent.clear();
+
+ // Reset the delegate to prevent notifications being sent as we're being
+ // deleted.
+ m_client = 0;
+
+ deref(); // Balances ref() acquired in WebView::create
+}
+
+void WebViewImpl::resize(const WebSize& newSize)
+{
+ if (m_size == newSize)
+ return;
+ m_size = newSize;
+
+ if (mainFrameImpl()->frameView()) {
+ mainFrameImpl()->frameView()->resize(m_size.width, m_size.height);
+ mainFrameImpl()->frame()->eventHandler()->sendResizeEvent();
+ }
+
+ if (m_client) {
+ WebRect damagedRect(0, 0, m_size.width, m_size.height);
+ m_client->didInvalidateRect(damagedRect);
+ }
+}
+
+void WebViewImpl::layout()
+{
+ WebFrameImpl* webframe = mainFrameImpl();
+ if (webframe) {
+ // In order for our child HWNDs (NativeWindowWidgets) to update properly,
+ // they need to be told that we are updating the screen. The problem is
+ // that the native widgets need to recalculate their clip region and not
+ // overlap any of our non-native widgets. To force the resizing, call
+ // setFrameRect(). This will be a quick operation for most frames, but
+ // the NativeWindowWidgets will update a proper clipping region.
+ FrameView* view = webframe->frameView();
+ if (view)
+ view->setFrameRect(view->frameRect());
+
+ // setFrameRect may have the side-effect of causing existing page
+ // layout to be invalidated, so layout needs to be called last.
+
+ webframe->layout();
+ }
+}
+
+void WebViewImpl::paint(WebCanvas* canvas, const WebRect& rect)
+{
+
+#if USE(ACCELERATED_COMPOSITING)
+ if (!isAcceleratedCompositingActive()) {
+#endif
+ WebFrameImpl* webframe = mainFrameImpl();
+ if (webframe)
+ webframe->paint(canvas, rect);
+#if USE(ACCELERATED_COMPOSITING)
+ } else {
+ // Draw the contents of the root layer.
+ updateRootLayerContents(rect);
+
+ WebFrameImpl* webframe = mainFrameImpl();
+ if (!webframe)
+ return;
+ FrameView* view = webframe->frameView();
+ if (!view)
+ return;
+
+ // The visibleRect includes scrollbars whereas the contentRect doesn't.
+ IntRect visibleRect = view->visibleContentRect(true);
+ IntRect contentRect = view->visibleContentRect(false);
+
+ // Ask the layer compositor to redraw all the layers.
+ m_layerRenderer->drawLayers(rect, visibleRect, contentRect, IntPoint(view->scrollX(), view->scrollY()));
+ }
+#endif
+}
+
+// FIXME: m_currentInputEvent should be removed once ChromeClient::show() can
+// get the current-event information from WebCore.
+const WebInputEvent* WebViewImpl::m_currentInputEvent = 0;
+
+bool WebViewImpl::handleInputEvent(const WebInputEvent& inputEvent)
+{
+ // If we've started a drag and drop operation, ignore input events until
+ // we're done.
+ if (m_doingDragAndDrop)
+ return true;
+
+ if (m_ignoreInputEvents)
+ return true;
+
+ if (m_mouseCaptureNode.get() && WebInputEvent::isMouseEventType(inputEvent.type)) {
+ // Save m_mouseCaptureNode since mouseCaptureLost() will clear it.
+ RefPtr<Node> node = m_mouseCaptureNode;
+
+ // Not all platforms call mouseCaptureLost() directly.
+ if (inputEvent.type == WebInputEvent::MouseUp)
+ mouseCaptureLost();
+
+ AtomicString eventType;
+ switch (inputEvent.type) {
+ case WebInputEvent::MouseMove:
+ eventType = eventNames().mousemoveEvent;
+ break;
+ case WebInputEvent::MouseLeave:
+ eventType = eventNames().mouseoutEvent;
+ break;
+ case WebInputEvent::MouseDown:
+ eventType = eventNames().mousedownEvent;
+ break;
+ case WebInputEvent::MouseUp:
+ eventType = eventNames().mouseupEvent;
+ break;
+ default:
+ ASSERT_NOT_REACHED();
+ }
+
+ node->dispatchMouseEvent(
+ PlatformMouseEventBuilder(mainFrameImpl()->frameView(), *static_cast<const WebMouseEvent*>(&inputEvent)),
+ eventType);
+ return true;
+ }
+
+ // FIXME: Remove m_currentInputEvent.
+ // This only exists to allow ChromeClient::show() to know which mouse button
+ // triggered a window.open event.
+ // Safari must perform a similar hack, ours is in our WebKit glue layer
+ // theirs is in the application. This should go when WebCore can be fixed
+ // to pass more event information to ChromeClient::show()
+ m_currentInputEvent = &inputEvent;
+
+ bool handled = true;
+
+ // FIXME: WebKit seems to always return false on mouse events processing
+ // methods. For now we'll assume it has processed them (as we are only
+ // interested in whether keyboard events are processed).
+ switch (inputEvent.type) {
+ case WebInputEvent::MouseMove:
+ mouseMove(*static_cast<const WebMouseEvent*>(&inputEvent));
+ break;
+
+ case WebInputEvent::MouseLeave:
+ mouseLeave(*static_cast<const WebMouseEvent*>(&inputEvent));
+ break;
+
+ case WebInputEvent::MouseWheel:
+ mouseWheel(*static_cast<const WebMouseWheelEvent*>(&inputEvent));
+ break;
+
+ case WebInputEvent::MouseDown:
+ mouseDown(*static_cast<const WebMouseEvent*>(&inputEvent));
+ break;
+
+ case WebInputEvent::MouseUp:
+ mouseUp(*static_cast<const WebMouseEvent*>(&inputEvent));
+ break;
+
+ case WebInputEvent::RawKeyDown:
+ case WebInputEvent::KeyDown:
+ case WebInputEvent::KeyUp:
+ handled = keyEvent(*static_cast<const WebKeyboardEvent*>(&inputEvent));
+ break;
+
+ case WebInputEvent::Char:
+ handled = charEvent(*static_cast<const WebKeyboardEvent*>(&inputEvent));
+ break;
+
+#if ENABLE(TOUCH_EVENTS)
+ case WebInputEvent::TouchStart:
+ case WebInputEvent::TouchMove:
+ case WebInputEvent::TouchEnd:
+ case WebInputEvent::TouchCancel:
+ handled = touchEvent(*static_cast<const WebTouchEvent*>(&inputEvent));
+ break;
+#endif
+
+ default:
+ handled = false;
+ }
+
+ m_currentInputEvent = 0;
+
+ return handled;
+}
+
+void WebViewImpl::mouseCaptureLost()
+{
+ m_mouseCaptureNode = 0;
+}
+
+void WebViewImpl::setFocus(bool enable)
+{
+ m_page->focusController()->setFocused(enable);
+ if (enable) {
+ // Note that we don't call setActive() when disabled as this cause extra
+ // focus/blur events to be dispatched.
+ m_page->focusController()->setActive(true);
+ RefPtr<Frame> focusedFrame = m_page->focusController()->focusedFrame();
+ if (focusedFrame) {
+ Node* focusedNode = focusedFrame->document()->focusedNode();
+ if (focusedNode && focusedNode->isElementNode()
+ && focusedFrame->selection()->selection().isNone()) {
+ // If the selection was cleared while the WebView was not
+ // focused, then the focus element shows with a focus ring but
+ // no caret and does respond to keyboard inputs.
+ Element* element = static_cast<Element*>(focusedNode);
+ if (element->isTextFormControl())
+ element->updateFocusAppearance(true);
+ else if (focusedNode->isContentEditable()) {
+ // updateFocusAppearance() selects all the text of
+ // contentseditable DIVs. So we set the selection explicitly
+ // instead. Note that this has the side effect of moving the
+ // caret back to the beginning of the text.
+ Position position(focusedNode, 0,
+ Position::PositionIsOffsetInAnchor);
+ focusedFrame->selection()->setSelection(
+ VisibleSelection(position, SEL_DEFAULT_AFFINITY));
+ }
+ }
+ }
+ m_imeAcceptEvents = true;
+ } else {
+ hideAutoFillPopup();
+ hideSelectPopup();
+
+ // Clear focus on the currently focused frame if any.
+ if (!m_page.get())
+ return;
+
+ Frame* frame = m_page->mainFrame();
+ if (!frame)
+ return;
+
+ RefPtr<Frame> focusedFrame = m_page->focusController()->focusedFrame();
+ if (focusedFrame.get()) {
+ // Finish an ongoing composition to delete the composition node.
+ Editor* editor = focusedFrame->editor();
+ if (editor && editor->hasComposition())
+ editor->confirmComposition();
+ m_imeAcceptEvents = false;
+ }
+ }
+}
+
+bool WebViewImpl::setComposition(
+ const WebString& text,
+ const WebVector<WebCompositionUnderline>& underlines,
+ int selectionStart,
+ int selectionEnd)
+{
+ Frame* focused = focusedWebCoreFrame();
+ if (!focused || !m_imeAcceptEvents)
+ return false;
+ Editor* editor = focused->editor();
+ if (!editor)
+ return false;
+
+ // The input focus has been moved to another WebWidget object.
+ // We should use this |editor| object only to complete the ongoing
+ // composition.
+ if (!editor->canEdit() && !editor->hasComposition())
+ return false;
+
+ // We should verify the parent node of this IME composition node are
+ // editable because JavaScript may delete a parent node of the composition
+ // node. In this case, WebKit crashes while deleting texts from the parent
+ // node, which doesn't exist any longer.
+ PassRefPtr<Range> range = editor->compositionRange();
+ if (range) {
+ const Node* node = range->startPosition().node();
+ if (!node || !node->isContentEditable())
+ return false;
+ }
+
+ // If we're not going to fire a keypress event, then the keydown event was
+ // canceled. In that case, cancel any existing composition.
+ if (text.isEmpty() || m_suppressNextKeypressEvent) {
+ // A browser process sent an IPC message which does not contain a valid
+ // string, which means an ongoing composition has been canceled.
+ // If the ongoing composition has been canceled, replace the ongoing
+ // composition string with an empty string and complete it.
+ String emptyString;
+ Vector<CompositionUnderline> emptyUnderlines;
+ editor->setComposition(emptyString, emptyUnderlines, 0, 0);
+ return text.isEmpty();
+ }
+
+ // When the range of composition underlines overlap with the range between
+ // selectionStart and selectionEnd, WebKit somehow won't paint the selection
+ // at all (see InlineTextBox::paint() function in InlineTextBox.cpp).
+ // But the selection range actually takes effect.
+ editor->setComposition(String(text),
+ CompositionUnderlineVectorBuilder(underlines),
+ selectionStart, selectionEnd);
+
+ return editor->hasComposition();
+}
+
+bool WebViewImpl::confirmComposition()
+{
+ Frame* focused = focusedWebCoreFrame();
+ if (!focused || !m_imeAcceptEvents)
+ return false;
+ Editor* editor = focused->editor();
+ if (!editor || !editor->hasComposition())
+ return false;
+
+ // We should verify the parent node of this IME composition node are
+ // editable because JavaScript may delete a parent node of the composition
+ // node. In this case, WebKit crashes while deleting texts from the parent
+ // node, which doesn't exist any longer.
+ PassRefPtr<Range> range = editor->compositionRange();
+ if (range) {
+ const Node* node = range->startPosition().node();
+ if (!node || !node->isContentEditable())
+ return false;
+ }
+
+ editor->confirmComposition();
+ return true;
+}
+
+WebTextInputType WebViewImpl::textInputType()
+{
+ WebTextInputType type = WebTextInputTypeNone;
+ const Frame* focused = focusedWebCoreFrame();
+ if (!focused)
+ return type;
+
+ const Editor* editor = focused->editor();
+ if (!editor || !editor->canEdit())
+ return type;
+
+ SelectionController* controller = focused->selection();
+ if (!controller)
+ return type;
+
+ const Node* node = controller->start().node();
+ if (!node)
+ return type;
+
+ // FIXME: Support more text input types when necessary, eg. Number,
+ // Date, Email, URL, etc.
+ if (controller->isInPasswordField())
+ type = WebTextInputTypePassword;
+ else if (node->shouldUseInputMethod())
+ type = WebTextInputTypeText;
+
+ return type;
+}
+
+WebRect WebViewImpl::caretOrSelectionBounds()
+{
+ WebRect rect;
+ const Frame* focused = focusedWebCoreFrame();
+ if (!focused)
+ return rect;
+
+ SelectionController* controller = focused->selection();
+ if (!controller)
+ return rect;
+
+ const FrameView* view = focused->view();
+ if (!view)
+ return rect;
+
+ const Node* node = controller->start().node();
+ if (!node || !node->renderer())
+ return rect;
+
+ if (controller->isCaret())
+ rect = view->contentsToWindow(controller->absoluteCaretBounds());
+ else if (controller->isRange()) {
+ node = controller->end().node();
+ if (!node || !node->renderer())
+ return rect;
+ RefPtr<Range> range = controller->toNormalizedRange();
+ rect = view->contentsToWindow(focused->firstRectForRange(range.get()));
+ }
+ return rect;
+}
+
+void WebViewImpl::setTextDirection(WebTextDirection direction)
+{
+ // The Editor::setBaseWritingDirection() function checks if we can change
+ // the text direction of the selected node and updates its DOM "dir"
+ // attribute and its CSS "direction" property.
+ // So, we just call the function as Safari does.
+ const Frame* focused = focusedWebCoreFrame();
+ if (!focused)
+ return;
+
+ Editor* editor = focused->editor();
+ if (!editor || !editor->canEdit())
+ return;
+
+ switch (direction) {
+ case WebTextDirectionDefault:
+ editor->setBaseWritingDirection(NaturalWritingDirection);
+ break;
+
+ case WebTextDirectionLeftToRight:
+ editor->setBaseWritingDirection(LeftToRightWritingDirection);
+ break;
+
+ case WebTextDirectionRightToLeft:
+ editor->setBaseWritingDirection(RightToLeftWritingDirection);
+ break;
+
+ default:
+ notImplemented();
+ break;
+ }
+}
+
+bool WebViewImpl::isAcceleratedCompositingActive() const
+{
+#if USE(ACCELERATED_COMPOSITING)
+ return m_isAcceleratedCompositingActive;
+#else
+ return false;
+#endif
+}
+
+// WebView --------------------------------------------------------------------
+
+WebSettings* WebViewImpl::settings()
+{
+ if (!m_webSettings.get())
+ m_webSettings.set(new WebSettingsImpl(m_page->settings()));
+ ASSERT(m_webSettings.get());
+ return m_webSettings.get();
+}
+
+WebString WebViewImpl::pageEncoding() const
+{
+ if (!m_page.get())
+ return WebString();
+
+ return m_page->mainFrame()->loader()->writer()->encoding();
+}
+
+void WebViewImpl::setPageEncoding(const WebString& encodingName)
+{
+ if (!m_page.get())
+ return;
+
+ // Only change override encoding, don't change default encoding.
+ // Note that the new encoding must be 0 if it isn't supposed to be set.
+ String newEncodingName;
+ if (!encodingName.isEmpty())
+ newEncodingName = encodingName;
+ m_page->mainFrame()->loader()->reloadWithOverrideEncoding(newEncodingName);
+}
+
+bool WebViewImpl::dispatchBeforeUnloadEvent()
+{
+ // FIXME: This should really cause a recursive depth-first walk of all
+ // frames in the tree, calling each frame's onbeforeunload. At the moment,
+ // we're consistent with Safari 3.1, not IE/FF.
+ Frame* frame = m_page->mainFrame();
+ if (!frame)
+ return true;
+
+ return frame->loader()->shouldClose();
+}
+
+void WebViewImpl::dispatchUnloadEvent()
+{
+ // Run unload handlers.
+ m_page->mainFrame()->loader()->closeURL();
+}
+
+WebFrame* WebViewImpl::mainFrame()
+{
+ return mainFrameImpl();
+}
+
+WebFrame* WebViewImpl::findFrameByName(
+ const WebString& name, WebFrame* relativeToFrame)
+{
+ if (!relativeToFrame)
+ relativeToFrame = mainFrame();
+ Frame* frame = static_cast<WebFrameImpl*>(relativeToFrame)->frame();
+ frame = frame->tree()->find(name);
+ return WebFrameImpl::fromFrame(frame);
+}
+
+WebFrame* WebViewImpl::focusedFrame()
+{
+ return WebFrameImpl::fromFrame(focusedWebCoreFrame());
+}
+
+void WebViewImpl::setFocusedFrame(WebFrame* frame)
+{
+ if (!frame) {
+ // Clears the focused frame if any.
+ Frame* frame = focusedWebCoreFrame();
+ if (frame)
+ frame->selection()->setFocused(false);
+ return;
+ }
+ WebFrameImpl* frameImpl = static_cast<WebFrameImpl*>(frame);
+ Frame* webcoreFrame = frameImpl->frame();
+ webcoreFrame->page()->focusController()->setFocusedFrame(webcoreFrame);
+}
+
+void WebViewImpl::setInitialFocus(bool reverse)
+{
+ if (!m_page.get())
+ return;
+
+ // Since we don't have a keyboard event, we'll create one.
+ WebKeyboardEvent keyboardEvent;
+ keyboardEvent.type = WebInputEvent::RawKeyDown;
+ if (reverse)
+ keyboardEvent.modifiers = WebInputEvent::ShiftKey;
+
+ // VK_TAB which is only defined on Windows.
+ keyboardEvent.windowsKeyCode = 0x09;
+ PlatformKeyboardEventBuilder platformEvent(keyboardEvent);
+ RefPtr<KeyboardEvent> webkitEvent = KeyboardEvent::create(platformEvent, 0);
+ page()->focusController()->setInitialFocus(
+ reverse ? FocusDirectionBackward : FocusDirectionForward,
+ webkitEvent.get());
+}
+
+void WebViewImpl::clearFocusedNode()
+{
+ if (!m_page.get())
+ return;
+
+ RefPtr<Frame> frame = m_page->mainFrame();
+ if (!frame.get())
+ return;
+
+ RefPtr<Document> document = frame->document();
+ if (!document.get())
+ return;
+
+ RefPtr<Node> oldFocusedNode = document->focusedNode();
+
+ // Clear the focused node.
+ document->setFocusedNode(0);
+
+ if (!oldFocusedNode.get())
+ return;
+
+ // If a text field has focus, we need to make sure the selection controller
+ // knows to remove selection from it. Otherwise, the text field is still
+ // processing keyboard events even though focus has been moved to the page and
+ // keystrokes get eaten as a result.
+ if (oldFocusedNode->hasTagName(HTMLNames::textareaTag)
+ || (oldFocusedNode->hasTagName(HTMLNames::inputTag)
+ && static_cast<HTMLInputElement*>(oldFocusedNode.get())->isTextField())) {
+ // Clear the selection.
+ SelectionController* selection = frame->selection();
+ selection->clear();
+ }
+}
+
+int WebViewImpl::zoomLevel()
+{
+ return m_zoomLevel;
+}
+
+int WebViewImpl::setZoomLevel(bool textOnly, int zoomLevel)
+{
+ float zoomFactor = static_cast<float>(
+ std::max(std::min(std::pow(textSizeMultiplierRatio, zoomLevel),
+ maxTextSizeMultiplier),
+ minTextSizeMultiplier));
+ Frame* frame = mainFrameImpl()->frame();
+ FrameView* view = frame->view();
+ if (!view)
+ return m_zoomLevel;
+ if (zoomFactor != view->zoomFactor()) {
+ view->setZoomFactor(zoomFactor, textOnly ? ZoomTextOnly : ZoomPage);
+ WebPluginContainerImpl* pluginContainer = WebFrameImpl::pluginContainerFromFrame(frame);
+ if (pluginContainer)
+ pluginContainer->plugin()->setZoomFactor(zoomFactor, textOnly);
+ m_zoomLevel = zoomLevel;
+ }
+ return m_zoomLevel;
+}
+
+void WebViewImpl::performMediaPlayerAction(const WebMediaPlayerAction& action,
+ const WebPoint& location)
+{
+ HitTestResult result =
+ hitTestResultForWindowPos(location);
+ RefPtr<Node> node = result.innerNonSharedNode();
+ if (!node->hasTagName(HTMLNames::videoTag) && !node->hasTagName(HTMLNames::audioTag))
+ return;
+
+ RefPtr<HTMLMediaElement> mediaElement =
+ static_pointer_cast<HTMLMediaElement>(node);
+ switch (action.type) {
+ case WebMediaPlayerAction::Play:
+ if (action.enable)
+ mediaElement->play(mediaElement->processingUserGesture());
+ else
+ mediaElement->pause(mediaElement->processingUserGesture());
+ break;
+ case WebMediaPlayerAction::Mute:
+ mediaElement->setMuted(action.enable);
+ break;
+ case WebMediaPlayerAction::Loop:
+ mediaElement->setLoop(action.enable);
+ break;
+ case WebMediaPlayerAction::Controls:
+ mediaElement->setControls(action.enable);
+ break;
+ default:
+ ASSERT_NOT_REACHED();
+ }
+}
+
+void WebViewImpl::copyImageAt(const WebPoint& point)
+{
+ if (!m_page.get())
+ return;
+
+ HitTestResult result = hitTestResultForWindowPos(point);
+
+ if (result.absoluteImageURL().isEmpty()) {
+ // There isn't actually an image at these coordinates. Might be because
+ // the window scrolled while the context menu was open or because the page
+ // changed itself between when we thought there was an image here and when
+ // we actually tried to retreive the image.
+ //
+ // FIXME: implement a cache of the most recent HitTestResult to avoid having
+ // to do two hit tests.
+ return;
+ }
+
+ m_page->mainFrame()->editor()->copyImage(result);
+}
+
+void WebViewImpl::dragSourceEndedAt(
+ const WebPoint& clientPoint,
+ const WebPoint& screenPoint,
+ WebDragOperation operation)
+{
+ PlatformMouseEvent pme(clientPoint,
+ screenPoint,
+ LeftButton, MouseEventMoved, 0, false, false, false,
+ false, 0);
+ m_page->mainFrame()->eventHandler()->dragSourceEndedAt(pme,
+ static_cast<DragOperation>(operation));
+ m_dragScrollTimer->stop();
+}
+
+void WebViewImpl::dragSourceMovedTo(
+ const WebPoint& clientPoint,
+ const WebPoint& screenPoint,
+ WebDragOperation operation)
+{
+ m_dragScrollTimer->triggerScroll(mainFrameImpl()->frameView(), clientPoint);
+}
+
+void WebViewImpl::dragSourceSystemDragEnded()
+{
+ // It's possible for us to get this callback while not doing a drag if
+ // it's from a previous page that got unloaded.
+ if (m_doingDragAndDrop) {
+ m_page->dragController()->dragEnded();
+ m_doingDragAndDrop = false;
+ }
+}
+
+WebDragOperation WebViewImpl::dragTargetDragEnter(
+ const WebDragData& webDragData, int identity,
+ const WebPoint& clientPoint,
+ const WebPoint& screenPoint,
+ WebDragOperationsMask operationsAllowed)
+{
+ ASSERT(!m_currentDragData.get());
+
+ m_currentDragData = webDragData;
+ m_dragIdentity = identity;
+ m_operationsAllowed = operationsAllowed;
+
+ return dragTargetDragEnterOrOver(clientPoint, screenPoint, DragEnter);
+}
+
+WebDragOperation WebViewImpl::dragTargetDragOver(
+ const WebPoint& clientPoint,
+ const WebPoint& screenPoint,
+ WebDragOperationsMask operationsAllowed)
+{
+ m_operationsAllowed = operationsAllowed;
+
+ return dragTargetDragEnterOrOver(clientPoint, screenPoint, DragOver);
+}
+
+void WebViewImpl::dragTargetDragLeave()
+{
+ ASSERT(m_currentDragData.get());
+
+ DragData dragData(
+ m_currentDragData.get(),
+ IntPoint(),
+ IntPoint(),
+ static_cast<DragOperation>(m_operationsAllowed));
+
+ m_dragTargetDispatch = true;
+ m_page->dragController()->dragExited(&dragData);
+ m_dragTargetDispatch = false;
+
+ m_currentDragData = 0;
+ m_dropEffect = DropEffectDefault;
+ m_dragOperation = WebDragOperationNone;
+ m_dragIdentity = 0;
+}
+
+void WebViewImpl::dragTargetDrop(const WebPoint& clientPoint,
+ const WebPoint& screenPoint)
+{
+ ASSERT(m_currentDragData.get());
+
+ // If this webview transitions from the "drop accepting" state to the "not
+ // accepting" state, then our IPC message reply indicating that may be in-
+ // flight, or else delayed by javascript processing in this webview. If a
+ // drop happens before our IPC reply has reached the browser process, then
+ // the browser forwards the drop to this webview. So only allow a drop to
+ // proceed if our webview m_dragOperation state is not DragOperationNone.
+
+ if (m_dragOperation == WebDragOperationNone) { // IPC RACE CONDITION: do not allow this drop.
+ dragTargetDragLeave();
+ return;
+ }
+
+ DragData dragData(
+ m_currentDragData.get(),
+ clientPoint,
+ screenPoint,
+ static_cast<DragOperation>(m_operationsAllowed));
+
+ m_dragTargetDispatch = true;
+ m_page->dragController()->performDrag(&dragData);
+ m_dragTargetDispatch = false;
+
+ m_currentDragData = 0;
+ m_dropEffect = DropEffectDefault;
+ m_dragOperation = WebDragOperationNone;
+ m_dragIdentity = 0;
+ m_dragScrollTimer->stop();
+}
+
+int WebViewImpl::dragIdentity()
+{
+ if (m_dragTargetDispatch)
+ return m_dragIdentity;
+ return 0;
+}
+
+WebDragOperation WebViewImpl::dragTargetDragEnterOrOver(const WebPoint& clientPoint, const WebPoint& screenPoint, DragAction dragAction)
+{
+ ASSERT(m_currentDragData.get());
+
+ DragData dragData(
+ m_currentDragData.get(),
+ clientPoint,
+ screenPoint,
+ static_cast<DragOperation>(m_operationsAllowed));
+
+ m_dropEffect = DropEffectDefault;
+ m_dragTargetDispatch = true;
+ DragOperation effect = dragAction == DragEnter ? m_page->dragController()->dragEntered(&dragData)
+ : m_page->dragController()->dragUpdated(&dragData);
+ // Mask the operation against the drag source's allowed operations.
+ if (!(effect & dragData.draggingSourceOperationMask()))
+ effect = DragOperationNone;
+ m_dragTargetDispatch = false;
+
+ if (m_dropEffect != DropEffectDefault) {
+ m_dragOperation = (m_dropEffect != DropEffectNone) ? WebDragOperationCopy
+ : WebDragOperationNone;
+ } else
+ m_dragOperation = static_cast<WebDragOperation>(effect);
+
+ if (dragAction == DragOver)
+ m_dragScrollTimer->triggerScroll(mainFrameImpl()->frameView(), clientPoint);
+ else
+ m_dragScrollTimer->stop();
+
+
+ return m_dragOperation;
+}
+
+unsigned long WebViewImpl::createUniqueIdentifierForRequest()
+{
+ if (m_page)
+ return m_page->progress()->createUniqueIdentifier();
+ return 0;
+}
+
+void WebViewImpl::inspectElementAt(const WebPoint& point)
+{
+ if (!m_page.get())
+ return;
+
+ if (point.x == -1 || point.y == -1)
+ m_page->inspectorController()->inspect(0);
+ else {
+ HitTestResult result = hitTestResultForWindowPos(point);
+
+ if (!result.innerNonSharedNode())
+ return;
+
+ m_page->inspectorController()->inspect(result.innerNonSharedNode());
+ }
+}
+
+WebString WebViewImpl::inspectorSettings() const
+{
+ return m_inspectorSettings;
+}
+
+void WebViewImpl::setInspectorSettings(const WebString& settings)
+{
+ m_inspectorSettings = settings;
+}
+
+bool WebViewImpl::inspectorSetting(const WebString& key, WebString* value) const
+{
+ if (!m_inspectorSettingsMap->contains(key))
+ return false;
+ *value = m_inspectorSettingsMap->get(key);
+ return true;
+}
+
+void WebViewImpl::setInspectorSetting(const WebString& key,
+ const WebString& value)
+{
+ m_inspectorSettingsMap->set(key, value);
+ client()->didUpdateInspectorSetting(key, value);
+}
+
+WebDevToolsAgent* WebViewImpl::devToolsAgent()
+{
+ return m_devToolsAgent.get();
+}
+
+WebAccessibilityObject WebViewImpl::accessibilityObject()
+{
+ if (!mainFrameImpl())
+ return WebAccessibilityObject();
+
+ Document* document = mainFrameImpl()->frame()->document();
+ return WebAccessibilityObject(
+ document->axObjectCache()->getOrCreate(document->renderer()));
+}
+
+void WebViewImpl::applyAutoFillSuggestions(
+ const WebNode& node,
+ const WebVector<WebString>& names,
+ const WebVector<WebString>& labels,
+ int separatorIndex)
+{
+ WebVector<int> uniqueIDs(names.size());
+ applyAutoFillSuggestions(node, names, labels, uniqueIDs, separatorIndex);
+}
+
+void WebViewImpl::applyAutoFillSuggestions(
+ const WebNode& node,
+ const WebVector<WebString>& names,
+ const WebVector<WebString>& labels,
+ const WebVector<int>& uniqueIDs,
+ int separatorIndex)
+{
+ ASSERT(names.size() == labels.size());
+ ASSERT(names.size() == uniqueIDs.size());
+ ASSERT(separatorIndex < static_cast<int>(names.size()));
+
+ if (names.isEmpty()) {
+ hideAutoFillPopup();
+ return;
+ }
+
+ RefPtr<Node> focusedNode = focusedWebCoreNode();
+ // If the node for which we queried the AutoFill suggestions is not the
+ // focused node, then we have nothing to do. FIXME: also check the
+ // caret is at the end and that the text has not changed.
+ if (!focusedNode || focusedNode != PassRefPtr<Node>(node)) {
+ hideAutoFillPopup();
+ return;
+ }
+
+ HTMLInputElement* inputElem =
+ static_cast<HTMLInputElement*>(focusedNode.get());
+
+ // The first time the AutoFill popup is shown we'll create the client and
+ // the popup.
+ if (!m_autoFillPopupClient.get())
+ m_autoFillPopupClient.set(new AutoFillPopupMenuClient);
+
+ m_autoFillPopupClient->initialize(
+ inputElem, names, labels, uniqueIDs, separatorIndex);
+
+ if (!m_autoFillPopup.get()) {
+ m_autoFillPopup = PopupContainer::create(m_autoFillPopupClient.get(),
+ PopupContainer::Suggestion,
+ autoFillPopupSettings);
+ }
+
+ if (m_autoFillPopupShowing) {
+ m_autoFillPopupClient->setSuggestions(
+ names, labels, uniqueIDs, separatorIndex);
+ refreshAutoFillPopup();
+ } else {
+ m_autoFillPopup->show(focusedNode->getRect(),
+ focusedNode->ownerDocument()->view(), 0);
+ m_autoFillPopupShowing = true;
+ }
+
+ // DEPRECATED: This special mode will go away once AutoFill and Autocomplete
+ // merge is complete.
+ if (m_autoFillPopupClient)
+ m_autoFillPopupClient->setAutocompleteMode(false);
+}
+
+// DEPRECATED: replacing with applyAutoFillSuggestions.
+void WebViewImpl::applyAutocompleteSuggestions(
+ const WebNode& node,
+ const WebVector<WebString>& suggestions,
+ int defaultSuggestionIndex)
+{
+ WebVector<WebString> names(suggestions.size());
+ WebVector<WebString> labels(suggestions.size());
+ WebVector<int> uniqueIDs(suggestions.size());
+
+ for (size_t i = 0; i < suggestions.size(); ++i)
+ names[i] = suggestions[i];
+
+ applyAutoFillSuggestions(node, names, labels, uniqueIDs, -1);
+ if (m_autoFillPopupClient)
+ m_autoFillPopupClient->setAutocompleteMode(true);
+}
+
+void WebViewImpl::hidePopups()
+{
+ hideSelectPopup();
+ hideAutoFillPopup();
+}
+
+void WebViewImpl::performCustomContextMenuAction(unsigned action)
+{
+ if (!m_page)
+ return;
+ ContextMenu* menu = m_page->contextMenuController()->contextMenu();
+ if (!menu)
+ return;
+ ContextMenuItem* item = menu->itemWithAction(static_cast<ContextMenuAction>(ContextMenuItemBaseCustomTag + action));
+ if (item)
+ m_page->contextMenuController()->contextMenuItemSelected(item);
+ m_page->contextMenuController()->clearContextMenu();
+}
+
+// WebView --------------------------------------------------------------------
+
+bool WebViewImpl::setDropEffect(bool accept)
+{
+ if (m_dragTargetDispatch) {
+ m_dropEffect = accept ? DropEffectCopy : DropEffectNone;
+ return true;
+ }
+ return false;
+}
+
+void WebViewImpl::setIsTransparent(bool isTransparent)
+{
+ // Set any existing frames to be transparent.
+ Frame* frame = m_page->mainFrame();
+ while (frame) {
+ frame->view()->setTransparent(isTransparent);
+ frame = frame->tree()->traverseNext();
+ }
+
+ // Future frames check this to know whether to be transparent.
+ m_isTransparent = isTransparent;
+}
+
+bool WebViewImpl::isTransparent() const
+{
+ return m_isTransparent;
+}
+
+void WebViewImpl::setIsActive(bool active)
+{
+ if (page() && page()->focusController())
+ page()->focusController()->setActive(active);
+}
+
+bool WebViewImpl::isActive() const
+{
+ return (page() && page()->focusController()) ? page()->focusController()->isActive() : false;
+}
+
+void WebViewImpl::setScrollbarColors(unsigned inactiveColor,
+ unsigned activeColor,
+ unsigned trackColor) {
+#if OS(LINUX)
+ PlatformThemeChromiumGtk::setScrollbarColors(inactiveColor,
+ activeColor,
+ trackColor);
+#endif
+}
+
+void WebViewImpl::setSelectionColors(unsigned activeBackgroundColor,
+ unsigned activeForegroundColor,
+ unsigned inactiveBackgroundColor,
+ unsigned inactiveForegroundColor) {
+#if OS(LINUX)
+ RenderThemeChromiumLinux::setSelectionColors(activeBackgroundColor,
+ activeForegroundColor,
+ inactiveBackgroundColor,
+ inactiveForegroundColor);
+ theme()->platformColorsDidChange();
+#endif
+}
+
+void WebView::addUserScript(const WebString& sourceCode,
+ const WebVector<WebString>& patternsIn,
+ WebView::UserScriptInjectAt injectAt,
+ WebView::UserContentInjectIn injectIn)
+{
+ OwnPtr<Vector<String> > patterns(new Vector<String>);
+ for (size_t i = 0; i < patternsIn.size(); ++i)
+ patterns->append(patternsIn[i]);
+
+ PageGroup* pageGroup = PageGroup::pageGroup(pageGroupName);
+ RefPtr<DOMWrapperWorld> world(DOMWrapperWorld::create());
+ pageGroup->addUserScriptToWorld(world.get(), sourceCode, WebURL(), patterns.release(), 0,
+ static_cast<UserScriptInjectionTime>(injectAt),
+ static_cast<UserContentInjectedFrames>(injectIn));
+}
+
+void WebView::addUserStyleSheet(const WebString& sourceCode,
+ const WebVector<WebString>& patternsIn,
+ WebView::UserContentInjectIn injectIn)
+{
+ OwnPtr<Vector<String> > patterns(new Vector<String>);
+ for (size_t i = 0; i < patternsIn.size(); ++i)
+ patterns->append(patternsIn[i]);
+
+ PageGroup* pageGroup = PageGroup::pageGroup(pageGroupName);
+ RefPtr<DOMWrapperWorld> world(DOMWrapperWorld::create());
+ pageGroup->addUserStyleSheetToWorld(world.get(), sourceCode, WebURL(), patterns.release(), 0,
+ static_cast<UserContentInjectedFrames>(injectIn));
+}
+
+void WebView::removeAllUserContent()
+{
+ PageGroup* pageGroup = PageGroup::pageGroup(pageGroupName);
+ pageGroup->removeAllUserContent();
+}
+
+void WebViewImpl::didCommitLoad(bool* isNewNavigation)
+{
+ if (isNewNavigation)
+ *isNewNavigation = m_observedNewNavigation;
+
+#ifndef NDEBUG
+ ASSERT(!m_observedNewNavigation
+ || m_page->mainFrame()->loader()->documentLoader() == m_newNavigationLoader);
+ m_newNavigationLoader = 0;
+#endif
+ m_observedNewNavigation = false;
+}
+
+bool WebViewImpl::navigationPolicyFromMouseEvent(unsigned short button,
+ bool ctrl, bool shift,
+ bool alt, bool meta,
+ WebNavigationPolicy* policy)
+{
+#if OS(WINDOWS) || OS(LINUX) || OS(FREEBSD) || OS(SOLARIS)
+ const bool newTabModifier = (button == 1) || ctrl;
+#elif OS(DARWIN)
+ const bool newTabModifier = (button == 1) || meta;
+#endif
+ if (!newTabModifier && !shift && !alt)
+ return false;
+
+ ASSERT(policy);
+ if (newTabModifier) {
+ if (shift)
+ *policy = WebNavigationPolicyNewForegroundTab;
+ else
+ *policy = WebNavigationPolicyNewBackgroundTab;
+ } else {
+ if (shift)
+ *policy = WebNavigationPolicyNewWindow;
+ else
+ *policy = WebNavigationPolicyDownload;
+ }
+ return true;
+}
+
+void WebViewImpl::startDragging(const WebDragData& dragData,
+ WebDragOperationsMask mask,
+ const WebImage& dragImage,
+ const WebPoint& dragImageOffset)
+{
+ if (!m_client)
+ return;
+ ASSERT(!m_doingDragAndDrop);
+ m_doingDragAndDrop = true;
+ m_client->startDragging(dragData, mask, dragImage, dragImageOffset);
+}
+
+void WebViewImpl::setCurrentHistoryItem(HistoryItem* item)
+{
+ m_backForwardListClientImpl.setCurrentHistoryItem(item);
+}
+
+HistoryItem* WebViewImpl::previousHistoryItem()
+{
+ return m_backForwardListClientImpl.previousHistoryItem();
+}
+
+void WebViewImpl::observeNewNavigation()
+{
+ m_observedNewNavigation = true;
+#ifndef NDEBUG
+ m_newNavigationLoader = m_page->mainFrame()->loader()->documentLoader();
+#endif
+}
+
+void WebViewImpl::setIgnoreInputEvents(bool newValue)
+{
+ ASSERT(m_ignoreInputEvents != newValue);
+ m_ignoreInputEvents = newValue;
+}
+
+#if ENABLE(NOTIFICATIONS)
+NotificationPresenterImpl* WebViewImpl::notificationPresenterImpl()
+{
+ if (!m_notificationPresenter.isInitialized() && m_client)
+ m_notificationPresenter.initialize(m_client->notificationPresenter());
+ return &m_notificationPresenter;
+}
+#endif
+
+void WebViewImpl::refreshAutoFillPopup()
+{
+ ASSERT(m_autoFillPopupShowing);
+
+ // Hide the popup if it has become empty.
+ if (!m_autoFillPopupClient->listSize()) {
+ hideAutoFillPopup();
+ return;
+ }
+
+ IntRect oldBounds = m_autoFillPopup->boundsRect();
+ m_autoFillPopup->refresh();
+ IntRect newBounds = m_autoFillPopup->boundsRect();
+ // Let's resize the backing window if necessary.
+ if (oldBounds != newBounds) {
+ WebPopupMenuImpl* popupMenu =
+ static_cast<WebPopupMenuImpl*>(m_autoFillPopup->client());
+ if (popupMenu)
+ popupMenu->client()->setWindowRect(newBounds);
+ }
+}
+
+Node* WebViewImpl::focusedWebCoreNode()
+{
+ Frame* frame = m_page->focusController()->focusedFrame();
+ if (!frame)
+ return 0;
+
+ Document* document = frame->document();
+ if (!document)
+ return 0;
+
+ return document->focusedNode();
+}
+
+HitTestResult WebViewImpl::hitTestResultForWindowPos(const IntPoint& pos)
+{
+ IntPoint docPoint(m_page->mainFrame()->view()->windowToContents(pos));
+ return m_page->mainFrame()->eventHandler()->hitTestResultAtPoint(docPoint, false);
+}
+
+void WebViewImpl::setTabsToLinks(bool enable)
+{
+ m_tabsToLinks = enable;
+}
+
+bool WebViewImpl::tabsToLinks() const
+{
+ return m_tabsToLinks;
+}
+
+#if USE(ACCELERATED_COMPOSITING)
+void WebViewImpl::setRootGraphicsLayer(WebCore::PlatformLayer* layer)
+{
+ setIsAcceleratedCompositingActive(layer ? true : false);
+ if (m_layerRenderer)
+ m_layerRenderer->setRootLayer(layer);
+}
+
+void WebViewImpl::setIsAcceleratedCompositingActive(bool active)
+{
+ if (m_isAcceleratedCompositingActive == active)
+ return;
+
+ if (active) {
+ m_layerRenderer = LayerRendererChromium::create(getOnscreenGLES2Context());
+ if (m_layerRenderer->hardwareCompositing())
+ m_isAcceleratedCompositingActive = true;
+ else {
+ m_layerRenderer.clear();
+ m_isAcceleratedCompositingActive = false;
+ }
+ } else {
+ m_layerRenderer = 0;
+ m_isAcceleratedCompositingActive = false;
+ }
+}
+
+void WebViewImpl::updateRootLayerContents(const WebRect& rect)
+{
+ if (!isAcceleratedCompositingActive())
+ return;
+
+ // FIXME: The accelerated compositing path invalidates a 1x1 rect at (0, 0)
+ // in order to get the renderer to ask the compositor to redraw. This is only
+ // temporary until we get the compositor to render directly from its own thread.
+ if (!rect.x && !rect.y && rect.width == 1 && rect.height == 1)
+ return;
+
+ WebFrameImpl* webframe = mainFrameImpl();
+ if (!webframe)
+ return;
+ FrameView* view = webframe->frameView();
+ if (!view)
+ return;
+
+ LayerChromium* rootLayer = m_layerRenderer->rootLayer();
+ if (rootLayer) {
+ IntRect visibleRect = view->visibleContentRect(true);
+
+ m_layerRenderer->setRootLayerCanvasSize(IntSize(rect.width, rect.height));
+ GraphicsContext* rootLayerContext = m_layerRenderer->rootLayerGraphicsContext();
+
+#if PLATFORM(SKIA)
+ PlatformContextSkia* skiaContext = rootLayerContext->platformContext();
+ skia::PlatformCanvas* platformCanvas = skiaContext->canvas();
+
+ platformCanvas->save();
+
+ // Bring the canvas into the coordinate system of the paint rect.
+ platformCanvas->translate(static_cast<SkScalar>(-rect.x), static_cast<SkScalar>(-rect.y));
+
+ rootLayerContext->save();
+
+ webframe->paintWithContext(*rootLayerContext, rect);
+ rootLayerContext->restore();
+
+ platformCanvas->restore();
+#endif
+ }
+}
+
+void WebViewImpl::setRootLayerNeedsDisplay()
+{
+ // FIXME: For now we're posting a repaint event for the entire page which is an overkill.
+ if (WebFrameImpl* webframe = mainFrameImpl()) {
+ if (FrameView* view = webframe->frameView()) {
+ // FIXME: Temporary hack to invalidate part of the page so that we get called to render
+ // again.
+ IntRect visibleRect = view->visibleContentRect(true);
+ m_client->didInvalidateRect(IntRect(0, 0, 1, 1));
+ }
+ }
+
+ if (m_layerRenderer)
+ m_layerRenderer->setNeedsDisplay();
+}
+#endif // USE(ACCELERATED_COMPOSITING)
+
+PassOwnPtr<GLES2Context> WebViewImpl::getOnscreenGLES2Context()
+{
+ return GLES2Context::create(GLES2ContextInternal::create(gles2Context(), false));
+}
+
+PassOwnPtr<GLES2Context> WebViewImpl::getOffscreenGLES2Context()
+{
+ WebGLES2Context* context = webKitClient()->createGLES2Context();
+ if (!context)
+ return 0;
+ if (!context->initialize(0, gles2Context()))
+ return 0;
+ return GLES2Context::create(GLES2ContextInternal::create(context, true));
+}
+
+// Returns the GLES2 context associated with this View. If one doesn't exist
+// it will get created first.
+WebGLES2Context* WebViewImpl::gles2Context()
+{
+ if (!m_gles2Context) {
+ m_gles2Context = webKitClient()->createGLES2Context();
+ if (!m_gles2Context)
+ return 0;
+
+ if (!m_gles2Context->initialize(this, 0)) {
+ m_gles2Context.clear();
+ return 0;
+ }
+ }
+ return m_gles2Context.get();
+}
+
+} // namespace WebKit