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