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      1 /*
      2  * Copyright (C) 2009 Google Inc. All rights reserved.
      3  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  *     * Redistributions of source code must retain the above copyright
     10  * notice, this list of conditions and the following disclaimer.
     11  *     * Redistributions in binary form must reproduce the above
     12  * copyright notice, this list of conditions and the following disclaimer
     13  * in the documentation and/or other materials provided with the
     14  * distribution.
     15  *     * Neither the name of Google Inc. nor the names of its
     16  * contributors may be used to endorse or promote products derived from
     17  * this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "config.h"
     33 #include "web/ChromeClientImpl.h"
     34 
     35 #include "bindings/v8/ScriptController.h"
     36 #include "core/HTMLNames.h"
     37 #include "core/accessibility/AXObject.h"
     38 #include "core/accessibility/AXObjectCache.h"
     39 #include "core/dom/Document.h"
     40 #include "core/dom/DocumentFullscreen.h"
     41 #include "core/dom/Node.h"
     42 #include "core/events/KeyboardEvent.h"
     43 #include "core/events/MouseEvent.h"
     44 #include "core/events/WheelEvent.h"
     45 #include "core/frame/Console.h"
     46 #include "core/frame/FrameView.h"
     47 #include "core/frame/Settings.h"
     48 #include "core/html/HTMLInputElement.h"
     49 #include "core/loader/DocumentLoader.h"
     50 #include "core/loader/FrameLoadRequest.h"
     51 #include "core/page/Page.h"
     52 #include "core/page/PagePopupDriver.h"
     53 #include "core/page/WindowFeatures.h"
     54 #include "core/rendering/HitTestResult.h"
     55 #include "core/rendering/RenderWidget.h"
     56 #include "platform/ColorChooser.h"
     57 #include "platform/ColorChooserClient.h"
     58 #include "platform/Cursor.h"
     59 #include "platform/DateTimeChooser.h"
     60 #include "platform/FileChooser.h"
     61 #include "platform/NotImplemented.h"
     62 #include "platform/PlatformScreen.h"
     63 #include "platform/RuntimeEnabledFeatures.h"
     64 #include "platform/exported/WrappedResourceRequest.h"
     65 #include "platform/geometry/FloatRect.h"
     66 #include "platform/geometry/IntRect.h"
     67 #include "platform/graphics/GraphicsLayer.h"
     68 #include "platform/weborigin/SecurityOrigin.h"
     69 #include "public/platform/Platform.h"
     70 #include "public/platform/WebCursorInfo.h"
     71 #include "public/platform/WebRect.h"
     72 #include "public/platform/WebURLRequest.h"
     73 #include "public/web/WebAXObject.h"
     74 #include "public/web/WebAutofillClient.h"
     75 #include "public/web/WebColorChooser.h"
     76 #include "public/web/WebColorSuggestion.h"
     77 #include "public/web/WebConsoleMessage.h"
     78 #include "public/web/WebFrameClient.h"
     79 #include "public/web/WebInputElement.h"
     80 #include "public/web/WebInputEvent.h"
     81 #include "public/web/WebKit.h"
     82 #include "public/web/WebNode.h"
     83 #include "public/web/WebPlugin.h"
     84 #include "public/web/WebPopupMenuInfo.h"
     85 #include "public/web/WebSettings.h"
     86 #include "public/web/WebTextDirection.h"
     87 #include "public/web/WebTouchAction.h"
     88 #include "public/web/WebUserGestureIndicator.h"
     89 #include "public/web/WebUserGestureToken.h"
     90 #include "public/web/WebViewClient.h"
     91 #include "public/web/WebWindowFeatures.h"
     92 #include "web/ColorChooserPopupUIController.h"
     93 #include "web/ColorChooserUIController.h"
     94 #include "web/DateTimeChooserImpl.h"
     95 #include "web/ExternalDateTimeChooser.h"
     96 #include "web/ExternalPopupMenu.h"
     97 #include "web/PopupMenuChromium.h"
     98 #include "web/WebFileChooserCompletionImpl.h"
     99 #include "web/WebInputEventConversion.h"
    100 #include "web/WebLocalFrameImpl.h"
    101 #include "web/WebPluginContainerImpl.h"
    102 #include "web/WebPopupMenuImpl.h"
    103 #include "web/WebSettingsImpl.h"
    104 #include "web/WebViewImpl.h"
    105 #include "wtf/text/CString.h"
    106 #include "wtf/text/StringBuilder.h"
    107 #include "wtf/text/StringConcatenate.h"
    108 #include "wtf/unicode/CharacterNames.h"
    109 
    110 using namespace WebCore;
    111 
    112 namespace blink {
    113 
    114 // Converts a WebCore::AXObjectCache::AXNotification to a blink::WebAXEvent
    115 static WebAXEvent toWebAXEvent(AXObjectCache::AXNotification notification)
    116 {
    117     // These enums have the same values; enforced in AssertMatchingEnums.cpp.
    118     return static_cast<WebAXEvent>(notification);
    119 }
    120 
    121 ChromeClientImpl::ChromeClientImpl(WebViewImpl* webView)
    122     : m_webView(webView)
    123     , m_toolbarsVisible(true)
    124     , m_statusbarVisible(true)
    125     , m_scrollbarsVisible(true)
    126     , m_menubarVisible(true)
    127     , m_resizable(true)
    128     , m_pagePopupDriver(webView)
    129 {
    130 }
    131 
    132 ChromeClientImpl::~ChromeClientImpl()
    133 {
    134 }
    135 
    136 void* ChromeClientImpl::webView() const
    137 {
    138     return static_cast<void*>(m_webView);
    139 }
    140 
    141 void ChromeClientImpl::chromeDestroyed()
    142 {
    143     // Our lifetime is bound to the WebViewImpl.
    144 }
    145 
    146 void ChromeClientImpl::setWindowRect(const FloatRect& r)
    147 {
    148     if (m_webView->client())
    149         m_webView->client()->setWindowRect(IntRect(r));
    150 }
    151 
    152 FloatRect ChromeClientImpl::windowRect()
    153 {
    154     WebRect rect;
    155     if (m_webView->client())
    156         rect = m_webView->client()->rootWindowRect();
    157     else {
    158         // These numbers will be fairly wrong. The window's x/y coordinates will
    159         // be the top left corner of the screen and the size will be the content
    160         // size instead of the window size.
    161         rect.width = m_webView->size().width;
    162         rect.height = m_webView->size().height;
    163     }
    164     return FloatRect(rect);
    165 }
    166 
    167 FloatRect ChromeClientImpl::pageRect()
    168 {
    169     // We hide the details of the window's border thickness from the web page by
    170     // simple re-using the window position here.  So, from the point-of-view of
    171     // the web page, the window has no border.
    172     return windowRect();
    173 }
    174 
    175 void ChromeClientImpl::focus()
    176 {
    177     if (m_webView->client())
    178         m_webView->client()->didFocus();
    179 }
    180 
    181 bool ChromeClientImpl::canTakeFocus(FocusType)
    182 {
    183     // For now the browser can always take focus if we're not running layout
    184     // tests.
    185     return !layoutTestMode();
    186 }
    187 
    188 void ChromeClientImpl::takeFocus(FocusType type)
    189 {
    190     if (!m_webView->client())
    191         return;
    192     if (type == FocusTypeBackward)
    193         m_webView->client()->focusPrevious();
    194     else
    195         m_webView->client()->focusNext();
    196 }
    197 
    198 void ChromeClientImpl::focusedNodeChanged(Node* node)
    199 {
    200     m_webView->client()->focusedNodeChanged(WebNode(node));
    201 
    202     WebURL focusURL;
    203     if (node && node->isLink()) {
    204         // This HitTestResult hack is the easiest way to get a link URL out of a
    205         // WebCore::Node.
    206         HitTestResult hitTest(IntPoint(0, 0));
    207         // This cast must be valid because of the isLink() check.
    208         hitTest.setURLElement(toElement(node));
    209         if (hitTest.isLiveLink())
    210             focusURL = hitTest.absoluteLinkURL();
    211     }
    212     m_webView->client()->setKeyboardFocusURL(focusURL);
    213 }
    214 
    215 void ChromeClientImpl::focusedFrameChanged(WebCore::LocalFrame* frame)
    216 {
    217     WebLocalFrameImpl* webframe = WebLocalFrameImpl::fromFrame(frame);
    218     if (webframe && webframe->client())
    219         webframe->client()->frameFocused();
    220 }
    221 
    222 Page* ChromeClientImpl::createWindow(LocalFrame* frame, const FrameLoadRequest& r, const WindowFeatures& features,
    223     NavigationPolicy navigationPolicy, ShouldSendReferrer shouldSendReferrer)
    224 {
    225     if (!m_webView->client())
    226         return 0;
    227 
    228     WebNavigationPolicy policy = static_cast<WebNavigationPolicy>(navigationPolicy);
    229     if (policy == WebNavigationPolicyIgnore)
    230         policy = getNavigationPolicy();
    231 
    232     ASSERT(frame->document());
    233     DocumentFullscreen::webkitCancelFullScreen(*frame->document());
    234 
    235     WebViewImpl* newView = toWebViewImpl(
    236         m_webView->client()->createView(WebLocalFrameImpl::fromFrame(frame), WrappedResourceRequest(r.resourceRequest()), features, r.frameName(), policy, shouldSendReferrer == NeverSendReferrer));
    237     if (!newView)
    238         return 0;
    239     return newView->page();
    240 }
    241 
    242 static inline void updatePolicyForEvent(const WebInputEvent* inputEvent, NavigationPolicy* policy)
    243 {
    244     if (!inputEvent || inputEvent->type != WebInputEvent::MouseUp)
    245         return;
    246 
    247     const WebMouseEvent* mouseEvent = static_cast<const WebMouseEvent*>(inputEvent);
    248 
    249     unsigned short buttonNumber;
    250     switch (mouseEvent->button) {
    251     case WebMouseEvent::ButtonLeft:
    252         buttonNumber = 0;
    253         break;
    254     case WebMouseEvent::ButtonMiddle:
    255         buttonNumber = 1;
    256         break;
    257     case WebMouseEvent::ButtonRight:
    258         buttonNumber = 2;
    259         break;
    260     default:
    261         return;
    262     }
    263     bool ctrl = mouseEvent->modifiers & WebMouseEvent::ControlKey;
    264     bool shift = mouseEvent->modifiers & WebMouseEvent::ShiftKey;
    265     bool alt = mouseEvent->modifiers & WebMouseEvent::AltKey;
    266     bool meta = mouseEvent->modifiers & WebMouseEvent::MetaKey;
    267 
    268     NavigationPolicy userPolicy = *policy;
    269     navigationPolicyFromMouseEvent(buttonNumber, ctrl, shift, alt, meta, &userPolicy);
    270     // User and app agree that we want a new window; let the app override the decorations.
    271     if (userPolicy == NavigationPolicyNewWindow && *policy == NavigationPolicyNewPopup)
    272         return;
    273     *policy = userPolicy;
    274 }
    275 
    276 WebNavigationPolicy ChromeClientImpl::getNavigationPolicy()
    277 {
    278     // If our default configuration was modified by a script or wasn't
    279     // created by a user gesture, then show as a popup. Else, let this
    280     // new window be opened as a toplevel window.
    281     bool asPopup = !m_toolbarsVisible
    282         || !m_statusbarVisible
    283         || !m_scrollbarsVisible
    284         || !m_menubarVisible
    285         || !m_resizable;
    286 
    287     NavigationPolicy policy = NavigationPolicyNewForegroundTab;
    288     if (asPopup)
    289         policy = NavigationPolicyNewPopup;
    290     updatePolicyForEvent(WebViewImpl::currentInputEvent(), &policy);
    291 
    292     return static_cast<WebNavigationPolicy>(policy);
    293 }
    294 
    295 void ChromeClientImpl::show(NavigationPolicy navigationPolicy)
    296 {
    297     if (!m_webView->client())
    298         return;
    299 
    300     WebNavigationPolicy policy = static_cast<WebNavigationPolicy>(navigationPolicy);
    301     if (policy == WebNavigationPolicyIgnore)
    302         policy = getNavigationPolicy();
    303     m_webView->client()->show(policy);
    304 }
    305 
    306 bool ChromeClientImpl::canRunModal()
    307 {
    308     return !!m_webView->client();
    309 }
    310 
    311 void ChromeClientImpl::runModal()
    312 {
    313     if (m_webView->client())
    314         m_webView->client()->runModal();
    315 }
    316 
    317 void ChromeClientImpl::setToolbarsVisible(bool value)
    318 {
    319     m_toolbarsVisible = value;
    320 }
    321 
    322 bool ChromeClientImpl::toolbarsVisible()
    323 {
    324     return m_toolbarsVisible;
    325 }
    326 
    327 void ChromeClientImpl::setStatusbarVisible(bool value)
    328 {
    329     m_statusbarVisible = value;
    330 }
    331 
    332 bool ChromeClientImpl::statusbarVisible()
    333 {
    334     return m_statusbarVisible;
    335 }
    336 
    337 void ChromeClientImpl::setScrollbarsVisible(bool value)
    338 {
    339     m_scrollbarsVisible = value;
    340     WebLocalFrameImpl* webFrame = toWebLocalFrameImpl(m_webView->mainFrame());
    341     if (webFrame)
    342         webFrame->setCanHaveScrollbars(value);
    343 }
    344 
    345 bool ChromeClientImpl::scrollbarsVisible()
    346 {
    347     return m_scrollbarsVisible;
    348 }
    349 
    350 void ChromeClientImpl::setMenubarVisible(bool value)
    351 {
    352     m_menubarVisible = value;
    353 }
    354 
    355 bool ChromeClientImpl::menubarVisible()
    356 {
    357     return m_menubarVisible;
    358 }
    359 
    360 void ChromeClientImpl::setResizable(bool value)
    361 {
    362     m_resizable = value;
    363 }
    364 
    365 bool ChromeClientImpl::shouldReportDetailedMessageForSource(const String& url)
    366 {
    367     WebLocalFrameImpl* webframe = m_webView->mainFrameImpl();
    368     return webframe->client() && webframe->client()->shouldReportDetailedMessageForSource(url);
    369 }
    370 
    371 void ChromeClientImpl::addMessageToConsole(LocalFrame* localFrame, MessageSource source, MessageLevel level, const String& message, unsigned lineNumber, const String& sourceID, const String& stackTrace)
    372 {
    373     WebLocalFrameImpl* frame = WebLocalFrameImpl::fromFrame(localFrame);
    374     if (frame && frame->client()) {
    375         frame->client()->didAddMessageToConsole(
    376             WebConsoleMessage(static_cast<WebConsoleMessage::Level>(level), message),
    377             sourceID,
    378             lineNumber,
    379             stackTrace);
    380     }
    381 }
    382 
    383 bool ChromeClientImpl::canRunBeforeUnloadConfirmPanel()
    384 {
    385     return !!m_webView->client();
    386 }
    387 
    388 bool ChromeClientImpl::runBeforeUnloadConfirmPanel(const String& message, LocalFrame* frame)
    389 {
    390     WebLocalFrameImpl* webframe = WebLocalFrameImpl::fromFrame(frame);
    391 
    392     bool isReload = false;
    393     WebDataSource* ds = webframe->provisionalDataSource();
    394     if (ds)
    395         isReload = (ds->navigationType() == blink::WebNavigationTypeReload);
    396 
    397     if (webframe->client())
    398         return webframe->client()->runModalBeforeUnloadDialog(isReload, message);
    399     return false;
    400 }
    401 
    402 void ChromeClientImpl::closeWindowSoon()
    403 {
    404     // Make sure this Page can no longer be found by JS.
    405     Page::ordinaryPages().remove(m_webView->page());
    406 
    407     // Make sure that all loading is stopped.  Ensures that JS stops executing!
    408     m_webView->mainFrame()->stopLoading();
    409 
    410     if (m_webView->client())
    411         m_webView->client()->closeWidgetSoon();
    412 }
    413 
    414 // Although a LocalFrame is passed in, we don't actually use it, since we
    415 // already know our own m_webView.
    416 void ChromeClientImpl::runJavaScriptAlert(LocalFrame* frame, const String& message)
    417 {
    418     WebLocalFrameImpl* webframe = WebLocalFrameImpl::fromFrame(frame);
    419     if (webframe->client()) {
    420         if (WebUserGestureIndicator::isProcessingUserGesture())
    421             WebUserGestureIndicator::currentUserGestureToken().setJavascriptPrompt();
    422         webframe->client()->runModalAlertDialog(message);
    423     }
    424 }
    425 
    426 // See comments for runJavaScriptAlert().
    427 bool ChromeClientImpl::runJavaScriptConfirm(LocalFrame* frame, const String& message)
    428 {
    429     WebLocalFrameImpl* webframe = WebLocalFrameImpl::fromFrame(frame);
    430     if (webframe->client()) {
    431         if (WebUserGestureIndicator::isProcessingUserGesture())
    432             WebUserGestureIndicator::currentUserGestureToken().setJavascriptPrompt();
    433         return webframe->client()->runModalConfirmDialog(message);
    434     }
    435     return false;
    436 }
    437 
    438 // See comments for runJavaScriptAlert().
    439 bool ChromeClientImpl::runJavaScriptPrompt(LocalFrame* frame,
    440                                            const String& message,
    441                                            const String& defaultValue,
    442                                            String& result)
    443 {
    444     WebLocalFrameImpl* webframe = WebLocalFrameImpl::fromFrame(frame);
    445     if (webframe->client()) {
    446         if (WebUserGestureIndicator::isProcessingUserGesture())
    447             WebUserGestureIndicator::currentUserGestureToken().setJavascriptPrompt();
    448         WebString actualValue;
    449         bool ok = webframe->client()->runModalPromptDialog(
    450             message,
    451             defaultValue,
    452             &actualValue);
    453         if (ok)
    454             result = actualValue;
    455         return ok;
    456     }
    457     return false;
    458 }
    459 
    460 void ChromeClientImpl::setStatusbarText(const String& message)
    461 {
    462     if (m_webView->client())
    463         m_webView->client()->setStatusText(message);
    464 }
    465 
    466 bool ChromeClientImpl::tabsToLinks()
    467 {
    468     return m_webView->tabsToLinks();
    469 }
    470 
    471 IntRect ChromeClientImpl::windowResizerRect() const
    472 {
    473     IntRect result;
    474     if (m_webView->client())
    475         result = m_webView->client()->windowResizerRect();
    476     return result;
    477 }
    478 
    479 void ChromeClientImpl::invalidateContentsAndRootView(const IntRect& updateRect)
    480 {
    481     if (updateRect.isEmpty())
    482         return;
    483     m_webView->invalidateRect(updateRect);
    484 }
    485 
    486 void ChromeClientImpl::invalidateContentsForSlowScroll(const IntRect& updateRect)
    487 {
    488     invalidateContentsAndRootView(updateRect);
    489 }
    490 
    491 void ChromeClientImpl::scheduleAnimation()
    492 {
    493     m_webView->scheduleAnimation();
    494 }
    495 
    496 void ChromeClientImpl::scroll(
    497     const IntSize& scrollDelta, const IntRect& scrollRect,
    498     const IntRect& clipRect)
    499 {
    500     if (!m_webView->isAcceleratedCompositingActive()) {
    501         if (m_webView->client()) {
    502             int dx = scrollDelta.width();
    503             int dy = scrollDelta.height();
    504             m_webView->client()->didScrollRect(dx, dy, intersection(scrollRect, clipRect));
    505         }
    506     } else {
    507         m_webView->scrollRootLayer();
    508     }
    509 }
    510 
    511 IntRect ChromeClientImpl::rootViewToScreen(const IntRect& rect) const
    512 {
    513     IntRect screenRect(rect);
    514 
    515     if (m_webView->client()) {
    516         WebRect windowRect = m_webView->client()->windowRect();
    517         screenRect.move(windowRect.x, windowRect.y);
    518     }
    519 
    520     return screenRect;
    521 }
    522 
    523 WebScreenInfo ChromeClientImpl::screenInfo() const
    524 {
    525     return m_webView->client() ? m_webView->client()->screenInfo() : WebScreenInfo();
    526 }
    527 
    528 void ChromeClientImpl::contentsSizeChanged(LocalFrame* frame, const IntSize& size) const
    529 {
    530     m_webView->didChangeContentsSize();
    531 
    532     WebLocalFrameImpl* webframe = WebLocalFrameImpl::fromFrame(frame);
    533     webframe->didChangeContentsSize(size);
    534 
    535     frame->loader().restoreScrollPositionAndViewState();
    536 }
    537 
    538 void ChromeClientImpl::deviceOrPageScaleFactorChanged() const
    539 {
    540     m_webView->deviceOrPageScaleFactorChanged();
    541 }
    542 
    543 void ChromeClientImpl::layoutUpdated(LocalFrame* frame) const
    544 {
    545     m_webView->layoutUpdated(WebLocalFrameImpl::fromFrame(frame));
    546 }
    547 
    548 void ChromeClientImpl::mouseDidMoveOverElement(
    549     const HitTestResult& result, unsigned modifierFlags)
    550 {
    551     if (!m_webView->client())
    552         return;
    553 
    554     WebURL url;
    555     // Find out if the mouse is over a link, and if so, let our UI know...
    556     if (result.isLiveLink() && !result.absoluteLinkURL().string().isEmpty()) {
    557         url = result.absoluteLinkURL();
    558     } else if (result.innerNonSharedNode()
    559         && (isHTMLObjectElement(*result.innerNonSharedNode())
    560             || isHTMLEmbedElement(*result.innerNonSharedNode()))) {
    561         RenderObject* object = result.innerNonSharedNode()->renderer();
    562         if (object && object->isWidget()) {
    563             Widget* widget = toRenderWidget(object)->widget();
    564             if (widget && widget->isPluginContainer()) {
    565                 WebPluginContainerImpl* plugin = toWebPluginContainerImpl(widget);
    566                 url = plugin->plugin()->linkAtPosition(result.roundedPointInInnerNodeFrame());
    567             }
    568         }
    569     }
    570 
    571     m_webView->client()->setMouseOverURL(url);
    572 }
    573 
    574 void ChromeClientImpl::setToolTip(const String& tooltipText, TextDirection dir)
    575 {
    576     if (!m_webView->client())
    577         return;
    578     WebTextDirection textDirection = (dir == RTL) ?
    579         WebTextDirectionRightToLeft :
    580         WebTextDirectionLeftToRight;
    581     m_webView->client()->setToolTipText(
    582         tooltipText, textDirection);
    583 }
    584 
    585 void ChromeClientImpl::dispatchViewportPropertiesDidChange(const ViewportDescription& description) const
    586 {
    587     m_webView->updatePageDefinedViewportConstraints(description);
    588 }
    589 
    590 void ChromeClientImpl::print(LocalFrame* frame)
    591 {
    592     if (m_webView->client())
    593         m_webView->client()->printPage(WebLocalFrameImpl::fromFrame(frame));
    594 }
    595 
    596 PassOwnPtr<ColorChooser> ChromeClientImpl::createColorChooser(LocalFrame* frame, ColorChooserClient* chooserClient, const Color&)
    597 {
    598     OwnPtr<ColorChooserUIController> controller;
    599     if (RuntimeEnabledFeatures::pagePopupEnabled())
    600         controller = adoptPtr(new ColorChooserPopupUIController(frame, this, chooserClient));
    601     else
    602         controller = adoptPtr(new ColorChooserUIController(frame, chooserClient));
    603     controller->openUI();
    604     return controller.release();
    605 }
    606 
    607 PassRefPtrWillBeRawPtr<DateTimeChooser> ChromeClientImpl::openDateTimeChooser(DateTimeChooserClient* pickerClient, const DateTimeChooserParameters& parameters)
    608 {
    609 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
    610     return DateTimeChooserImpl::create(this, pickerClient, parameters);
    611 #else
    612     return ExternalDateTimeChooser::create(this, m_webView->client(), pickerClient, parameters);
    613 #endif
    614 }
    615 
    616 void ChromeClientImpl::runOpenPanel(LocalFrame* frame, PassRefPtr<FileChooser> fileChooser)
    617 {
    618     WebViewClient* client = m_webView->client();
    619     if (!client)
    620         return;
    621 
    622     WebFileChooserParams params;
    623     params.multiSelect = fileChooser->settings().allowsMultipleFiles;
    624     params.directory = fileChooser->settings().allowsDirectoryUpload;
    625     params.acceptTypes = fileChooser->settings().acceptTypes();
    626     params.selectedFiles = fileChooser->settings().selectedFiles;
    627     if (params.selectedFiles.size() > 0)
    628         params.initialValue = params.selectedFiles[0];
    629 #if ENABLE(MEDIA_CAPTURE)
    630     params.useMediaCapture = fileChooser->settings().useMediaCapture;
    631 #endif
    632     WebFileChooserCompletionImpl* chooserCompletion =
    633         new WebFileChooserCompletionImpl(fileChooser);
    634 
    635     if (client->runFileChooser(params, chooserCompletion))
    636         return;
    637 
    638     // Choosing failed, so do callback with an empty list.
    639     chooserCompletion->didChooseFile(WebVector<WebString>());
    640 }
    641 
    642 void ChromeClientImpl::enumerateChosenDirectory(FileChooser* fileChooser)
    643 {
    644     WebViewClient* client = m_webView->client();
    645     if (!client)
    646         return;
    647 
    648     WebFileChooserCompletionImpl* chooserCompletion =
    649         new WebFileChooserCompletionImpl(fileChooser);
    650 
    651     ASSERT(fileChooser && fileChooser->settings().selectedFiles.size());
    652 
    653     // If the enumeration can't happen, call the callback with an empty list.
    654     if (!client->enumerateChosenDirectory(fileChooser->settings().selectedFiles[0], chooserCompletion))
    655         chooserCompletion->didChooseFile(WebVector<WebString>());
    656 }
    657 
    658 void ChromeClientImpl::setCursor(const WebCore::Cursor& cursor)
    659 {
    660     setCursor(WebCursorInfo(cursor));
    661 }
    662 
    663 void ChromeClientImpl::setCursor(const WebCursorInfo& cursor)
    664 {
    665 #if OS(MACOSX)
    666     // On Mac the mousemove event propagates to both the popup and main window.
    667     // If a popup is open we don't want the main window to change the cursor.
    668     if (m_webView->hasOpenedPopup())
    669         return;
    670 #endif
    671     if (m_webView->client())
    672         m_webView->client()->didChangeCursor(cursor);
    673 }
    674 
    675 void ChromeClientImpl::setCursorForPlugin(const WebCursorInfo& cursor)
    676 {
    677     setCursor(cursor);
    678 }
    679 
    680 void ChromeClientImpl::postAccessibilityNotification(AXObject* obj, AXObjectCache::AXNotification notification)
    681 {
    682     // Alert assistive technology about the accessibility object notification.
    683     if (!obj)
    684         return;
    685     if (m_webView->client())
    686         m_webView->client()->postAccessibilityEvent(WebAXObject(obj), toWebAXEvent(notification));
    687 }
    688 
    689 String ChromeClientImpl::acceptLanguages()
    690 {
    691     return m_webView->client()->acceptLanguages();
    692 }
    693 
    694 bool ChromeClientImpl::paintCustomOverhangArea(GraphicsContext* context, const IntRect& horizontalOverhangArea, const IntRect& verticalOverhangArea, const IntRect& dirtyRect)
    695 {
    696     LocalFrame* frame = m_webView->mainFrameImpl()->frame();
    697     WebPluginContainerImpl* pluginContainer = WebLocalFrameImpl::pluginContainerFromFrame(frame);
    698     if (pluginContainer)
    699         return pluginContainer->paintCustomOverhangArea(context, horizontalOverhangArea, verticalOverhangArea, dirtyRect);
    700     return false;
    701 }
    702 
    703 GraphicsLayerFactory* ChromeClientImpl::graphicsLayerFactory() const
    704 {
    705     return m_webView->graphicsLayerFactory();
    706 }
    707 
    708 void ChromeClientImpl::attachRootGraphicsLayer(GraphicsLayer* rootLayer)
    709 {
    710     m_webView->setRootGraphicsLayer(rootLayer);
    711 }
    712 
    713 void ChromeClientImpl::enterFullScreenForElement(Element* element)
    714 {
    715     m_webView->enterFullScreenForElement(element);
    716 }
    717 
    718 void ChromeClientImpl::exitFullScreenForElement(Element* element)
    719 {
    720     m_webView->exitFullScreenForElement(element);
    721 }
    722 
    723 bool ChromeClientImpl::hasOpenedPopup() const
    724 {
    725     return m_webView->hasOpenedPopup();
    726 }
    727 
    728 PassRefPtr<PopupMenu> ChromeClientImpl::createPopupMenu(LocalFrame& frame, PopupMenuClient* client) const
    729 {
    730     if (WebViewImpl::useExternalPopupMenus())
    731         return adoptRef(new ExternalPopupMenu(frame, client, *m_webView));
    732 
    733     return adoptRef(new PopupMenuChromium(frame, client));
    734 }
    735 
    736 PagePopup* ChromeClientImpl::openPagePopup(PagePopupClient* client, const IntRect& originBoundsInRootView)
    737 {
    738     ASSERT(m_pagePopupDriver);
    739     return m_pagePopupDriver->openPagePopup(client, originBoundsInRootView);
    740 }
    741 
    742 void ChromeClientImpl::closePagePopup(PagePopup* popup)
    743 {
    744     ASSERT(m_pagePopupDriver);
    745     m_pagePopupDriver->closePagePopup(popup);
    746 }
    747 
    748 void ChromeClientImpl::setPagePopupDriver(PagePopupDriver* driver)
    749 {
    750     ASSERT(driver);
    751     m_pagePopupDriver = driver;
    752 }
    753 
    754 void ChromeClientImpl::resetPagePopupDriver()
    755 {
    756     m_pagePopupDriver = m_webView;
    757 }
    758 
    759 bool ChromeClientImpl::shouldRunModalDialogDuringPageDismissal(const DialogType& dialogType, const String& dialogMessage, Document::PageDismissalType dismissalType) const
    760 {
    761     const char* kDialogs[] = {"alert", "confirm", "prompt", "showModalDialog"};
    762     int dialog = static_cast<int>(dialogType);
    763     ASSERT_WITH_SECURITY_IMPLICATION(0 <= dialog && dialog < static_cast<int>(arraysize(kDialogs)));
    764 
    765     const char* kDismissals[] = {"beforeunload", "pagehide", "unload"};
    766     int dismissal = static_cast<int>(dismissalType) - 1; // Exclude NoDismissal.
    767     ASSERT_WITH_SECURITY_IMPLICATION(0 <= dismissal && dismissal < static_cast<int>(arraysize(kDismissals)));
    768 
    769     blink::Platform::current()->histogramEnumeration("Renderer.ModalDialogsDuringPageDismissal", dismissal * arraysize(kDialogs) + dialog, arraysize(kDialogs) * arraysize(kDismissals));
    770 
    771     String message = String("Blocked ") + kDialogs[dialog] + "('" + dialogMessage + "') during " + kDismissals[dismissal] + ".";
    772     m_webView->mainFrame()->addMessageToConsole(WebConsoleMessage(WebConsoleMessage::LevelError, message));
    773 
    774     return false;
    775 }
    776 
    777 void ChromeClientImpl::needTouchEvents(bool needsTouchEvents)
    778 {
    779     m_webView->hasTouchEventHandlers(needsTouchEvents);
    780 }
    781 
    782 void ChromeClientImpl::setTouchAction(TouchAction touchAction)
    783 {
    784     if (WebViewClient* client = m_webView->client()) {
    785         WebTouchAction webTouchAction = static_cast<WebTouchAction>(touchAction);
    786         client->setTouchAction(webTouchAction);
    787     }
    788 }
    789 
    790 bool ChromeClientImpl::requestPointerLock()
    791 {
    792     return m_webView->requestPointerLock();
    793 }
    794 
    795 void ChromeClientImpl::requestPointerUnlock()
    796 {
    797     return m_webView->requestPointerUnlock();
    798 }
    799 
    800 void ChromeClientImpl::annotatedRegionsChanged()
    801 {
    802     WebViewClient* client = m_webView->client();
    803     if (client)
    804         client->draggableRegionsChanged();
    805 }
    806 
    807 void ChromeClientImpl::didAssociateFormControls(const WillBeHeapVector<RefPtrWillBeMember<Element> >& elements)
    808 {
    809     if (m_webView->autofillClient())
    810         m_webView->autofillClient()->didAssociateFormControls(elements);
    811 }
    812 
    813 void ChromeClientImpl::didCancelCompositionOnSelectionChange()
    814 {
    815     if (m_webView->client())
    816         m_webView->client()->didCancelCompositionOnSelectionChange();
    817 }
    818 
    819 void ChromeClientImpl::willSetInputMethodState()
    820 {
    821     if (m_webView->client())
    822         m_webView->client()->resetInputMethod();
    823 }
    824 
    825 void ChromeClientImpl::didUpdateTextOfFocusedElementByNonUserInput()
    826 {
    827     if (m_webView->client())
    828         m_webView->client()->didUpdateTextOfFocusedElementByNonUserInput();
    829 }
    830 
    831 void ChromeClientImpl::handleKeyboardEventOnTextField(HTMLInputElement& inputElement, KeyboardEvent& event)
    832 {
    833     if (!m_webView->autofillClient())
    834         return;
    835     m_webView->autofillClient()->textFieldDidReceiveKeyDown(WebInputElement(&inputElement), WebKeyboardEventBuilder(event));
    836 }
    837 
    838 // FIXME: Remove this code once we have input routing in the browser
    839 // process. See http://crbug.com/339659.
    840 void ChromeClientImpl::forwardInputEvent(
    841     WebCore::Frame* frame, WebCore::Event* event)
    842 {
    843     WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(toLocalFrameTemporary(frame));
    844 
    845     // This is only called when we have out-of-process iframes, which
    846     // need to forward input events across processes.
    847     // FIXME: Add a check for out-of-process iframes enabled.
    848     if (event->isKeyboardEvent()) {
    849         WebKeyboardEventBuilder webEvent(*static_cast<WebCore::KeyboardEvent*>(event));
    850         webFrame->client()->forwardInputEvent(&webEvent);
    851     } else if (event->isMouseEvent()) {
    852         WebMouseEventBuilder webEvent(webFrame->frameView(), frame->ownerRenderer(), *static_cast<WebCore::MouseEvent*>(event));
    853         // Internal Blink events should not be forwarded.
    854         if (webEvent.type == WebInputEvent::Undefined)
    855             return;
    856 
    857         webFrame->client()->forwardInputEvent(&webEvent);
    858     } else if (event->isWheelEvent()) {
    859         WebMouseWheelEventBuilder webEvent(webFrame->frameView(), frame->ownerRenderer(), *static_cast<WebCore::WheelEvent*>(event));
    860         if (webEvent.type == WebInputEvent::Undefined)
    861             return;
    862         webFrame->client()->forwardInputEvent(&webEvent);
    863     }
    864 }
    865 
    866 void ChromeClientImpl::didChangeValueInTextField(HTMLFormControlElement& element)
    867 {
    868     if (!m_webView->autofillClient())
    869         return;
    870     m_webView->autofillClient()->textFieldDidChange(WebFormControlElement(&element));
    871 }
    872 
    873 void ChromeClientImpl::didEndEditingOnTextField(HTMLInputElement& inputElement)
    874 {
    875     if (m_webView->autofillClient())
    876         m_webView->autofillClient()->textFieldDidEndEditing(WebInputElement(&inputElement));
    877 }
    878 
    879 void ChromeClientImpl::openTextDataListChooser(HTMLInputElement& input)
    880 {
    881     if (m_webView->autofillClient())
    882         m_webView->autofillClient()->openTextDataListChooser(WebInputElement(&input));
    883 }
    884 
    885 } // namespace blink
    886