1/* 2 * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved. 3 * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies) 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21#include "config.h" 22#include "Chrome.h" 23 24#include "ChromeClient.h" 25#include "DNS.h" 26#include "Document.h" 27#include "FileList.h" 28#include "FloatRect.h" 29#include "Frame.h" 30#include "FrameTree.h" 31#include "Geolocation.h" 32#include "HTMLFormElement.h" 33#include "HTMLInputElement.h" 34#include "HTMLNames.h" 35#include "HitTestResult.h" 36#include "InspectorInstrumentation.h" 37#include "Page.h" 38#include "PageGroupLoadDeferrer.h" 39#include "RenderObject.h" 40#include "ResourceHandle.h" 41#include "ScriptController.h" 42#include "SecurityOrigin.h" 43#include "Settings.h" 44#include "WindowFeatures.h" 45#include <wtf/PassRefPtr.h> 46#include <wtf/RefPtr.h> 47#include <wtf/Vector.h> 48 49#if ENABLE(DOM_STORAGE) 50#include "StorageNamespace.h" 51#endif 52 53namespace WebCore { 54 55using namespace HTMLNames; 56using namespace std; 57 58Chrome::Chrome(Page* page, ChromeClient* client) 59 : m_page(page) 60 , m_client(client) 61{ 62 ASSERT(m_client); 63} 64 65Chrome::~Chrome() 66{ 67 m_client->chromeDestroyed(); 68} 69 70void Chrome::invalidateWindow(const IntRect& updateRect, bool immediate) 71{ 72 m_client->invalidateWindow(updateRect, immediate); 73} 74 75void Chrome::invalidateContentsAndWindow(const IntRect& updateRect, bool immediate) 76{ 77 m_client->invalidateContentsAndWindow(updateRect, immediate); 78} 79 80void Chrome::invalidateContentsForSlowScroll(const IntRect& updateRect, bool immediate) 81{ 82 m_client->invalidateContentsForSlowScroll(updateRect, immediate); 83} 84 85void Chrome::scroll(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect) 86{ 87 m_client->scroll(scrollDelta, rectToScroll, clipRect); 88} 89 90#if ENABLE(TILED_BACKING_STORE) 91void Chrome::delegatedScrollRequested(const IntPoint& scrollPoint) 92{ 93 m_client->delegatedScrollRequested(scrollPoint); 94} 95#endif 96 97IntPoint Chrome::screenToWindow(const IntPoint& point) const 98{ 99 return m_client->screenToWindow(point); 100} 101 102IntRect Chrome::windowToScreen(const IntRect& rect) const 103{ 104 return m_client->windowToScreen(rect); 105} 106 107PlatformPageClient Chrome::platformPageClient() const 108{ 109 return m_client->platformPageClient(); 110} 111 112void Chrome::contentsSizeChanged(Frame* frame, const IntSize& size) const 113{ 114 m_client->contentsSizeChanged(frame, size); 115} 116 117void Chrome::scrollRectIntoView(const IntRect& rect) const 118{ 119 // FIXME: The unused ScrollView* argument can and should be removed from ChromeClient::scrollRectIntoView. 120 m_client->scrollRectIntoView(rect, 0); 121} 122 123void Chrome::scrollbarsModeDidChange() const 124{ 125 m_client->scrollbarsModeDidChange(); 126} 127 128void Chrome::setWindowRect(const FloatRect& rect) const 129{ 130 m_client->setWindowRect(rect); 131} 132 133FloatRect Chrome::windowRect() const 134{ 135 return m_client->windowRect(); 136} 137 138FloatRect Chrome::pageRect() const 139{ 140 return m_client->pageRect(); 141} 142 143float Chrome::scaleFactor() 144{ 145 return m_client->scaleFactor(); 146} 147 148void Chrome::focus() const 149{ 150 m_client->focus(); 151} 152 153void Chrome::unfocus() const 154{ 155 m_client->unfocus(); 156} 157 158bool Chrome::canTakeFocus(FocusDirection direction) const 159{ 160 return m_client->canTakeFocus(direction); 161} 162 163void Chrome::takeFocus(FocusDirection direction) const 164{ 165 m_client->takeFocus(direction); 166} 167 168void Chrome::focusedNodeChanged(Node* node) const 169{ 170 m_client->focusedNodeChanged(node); 171} 172 173void Chrome::focusedFrameChanged(Frame* frame) const 174{ 175 m_client->focusedFrameChanged(frame); 176} 177 178Page* Chrome::createWindow(Frame* frame, const FrameLoadRequest& request, const WindowFeatures& features, const NavigationAction& action) const 179{ 180 Page* newPage = m_client->createWindow(frame, request, features, action); 181 182#if ENABLE(DOM_STORAGE) 183 if (newPage) { 184 if (StorageNamespace* oldSessionStorage = m_page->sessionStorage(false)) 185 newPage->setSessionStorage(oldSessionStorage->copy()); 186 } 187#endif 188 189 return newPage; 190} 191 192void Chrome::show() const 193{ 194 m_client->show(); 195} 196 197bool Chrome::canRunModal() const 198{ 199 return m_client->canRunModal(); 200} 201 202bool Chrome::canRunModalNow() const 203{ 204 // If loads are blocked, we can't run modal because the contents 205 // of the modal dialog will never show up! 206 return canRunModal() && !ResourceHandle::loadsBlocked(); 207} 208 209void Chrome::runModal() const 210{ 211 // Defer callbacks in all the other pages in this group, so we don't try to run JavaScript 212 // in a way that could interact with this view. 213 PageGroupLoadDeferrer deferrer(m_page, false); 214 215 TimerBase::fireTimersInNestedEventLoop(); 216 m_client->runModal(); 217} 218 219void Chrome::setToolbarsVisible(bool b) const 220{ 221 m_client->setToolbarsVisible(b); 222} 223 224bool Chrome::toolbarsVisible() const 225{ 226 return m_client->toolbarsVisible(); 227} 228 229void Chrome::setStatusbarVisible(bool b) const 230{ 231 m_client->setStatusbarVisible(b); 232} 233 234bool Chrome::statusbarVisible() const 235{ 236 return m_client->statusbarVisible(); 237} 238 239void Chrome::setScrollbarsVisible(bool b) const 240{ 241 m_client->setScrollbarsVisible(b); 242} 243 244bool Chrome::scrollbarsVisible() const 245{ 246 return m_client->scrollbarsVisible(); 247} 248 249void Chrome::setMenubarVisible(bool b) const 250{ 251 m_client->setMenubarVisible(b); 252} 253 254bool Chrome::menubarVisible() const 255{ 256 return m_client->menubarVisible(); 257} 258 259void Chrome::setResizable(bool b) const 260{ 261 m_client->setResizable(b); 262} 263 264bool Chrome::canRunBeforeUnloadConfirmPanel() 265{ 266 return m_client->canRunBeforeUnloadConfirmPanel(); 267} 268 269bool Chrome::runBeforeUnloadConfirmPanel(const String& message, Frame* frame) 270{ 271 // Defer loads in case the client method runs a new event loop that would 272 // otherwise cause the load to continue while we're in the middle of executing JavaScript. 273 PageGroupLoadDeferrer deferrer(m_page, true); 274 275 return m_client->runBeforeUnloadConfirmPanel(message, frame); 276} 277 278void Chrome::closeWindowSoon() 279{ 280 m_client->closeWindowSoon(); 281} 282 283static inline void willRunModalDialog(const Frame* frame, const ChromeClient::DialogType& dialogType, const ChromeClient* client) 284{ 285 if (frame->loader()->pageDismissalEventBeingDispatched()) 286 client->willRunModalDialogDuringPageDismissal(dialogType); 287} 288 289void Chrome::runJavaScriptAlert(Frame* frame, const String& message) 290{ 291 willRunModalDialog(frame, ChromeClient::AlertDialog, m_client); 292 293 // Defer loads in case the client method runs a new event loop that would 294 // otherwise cause the load to continue while we're in the middle of executing JavaScript. 295 PageGroupLoadDeferrer deferrer(m_page, true); 296 297 ASSERT(frame); 298 m_client->runJavaScriptAlert(frame, frame->displayStringModifiedByEncoding(message)); 299} 300 301bool Chrome::runJavaScriptConfirm(Frame* frame, const String& message) 302{ 303 willRunModalDialog(frame, ChromeClient::ConfirmDialog, m_client); 304 305 // Defer loads in case the client method runs a new event loop that would 306 // otherwise cause the load to continue while we're in the middle of executing JavaScript. 307 PageGroupLoadDeferrer deferrer(m_page, true); 308 309 ASSERT(frame); 310 return m_client->runJavaScriptConfirm(frame, frame->displayStringModifiedByEncoding(message)); 311} 312 313bool Chrome::runJavaScriptPrompt(Frame* frame, const String& prompt, const String& defaultValue, String& result) 314{ 315 willRunModalDialog(frame, ChromeClient::PromptDialog, m_client); 316 317 // Defer loads in case the client method runs a new event loop that would 318 // otherwise cause the load to continue while we're in the middle of executing JavaScript. 319 PageGroupLoadDeferrer deferrer(m_page, true); 320 321 ASSERT(frame); 322 bool ok = m_client->runJavaScriptPrompt(frame, frame->displayStringModifiedByEncoding(prompt), frame->displayStringModifiedByEncoding(defaultValue), result); 323 324 if (ok) 325 result = frame->displayStringModifiedByEncoding(result); 326 327 return ok; 328} 329 330void Chrome::setStatusbarText(Frame* frame, const String& status) 331{ 332 ASSERT(frame); 333 m_client->setStatusbarText(frame->displayStringModifiedByEncoding(status)); 334} 335 336bool Chrome::shouldInterruptJavaScript() 337{ 338 // Defer loads in case the client method runs a new event loop that would 339 // otherwise cause the load to continue while we're in the middle of executing JavaScript. 340 PageGroupLoadDeferrer deferrer(m_page, true); 341 342 return m_client->shouldInterruptJavaScript(); 343} 344 345#if ENABLE(REGISTER_PROTOCOL_HANDLER) 346void Chrome::registerProtocolHandler(const String& scheme, const String& baseURL, const String& url, const String& title) 347{ 348 m_client->registerProtocolHandler(scheme, baseURL, url, title); 349} 350#endif 351 352IntRect Chrome::windowResizerRect() const 353{ 354 return m_client->windowResizerRect(); 355} 356 357void Chrome::mouseDidMoveOverElement(const HitTestResult& result, unsigned modifierFlags) 358{ 359 if (result.innerNode()) { 360 Document* document = result.innerNode()->document(); 361 if (document && document->isDNSPrefetchEnabled()) 362 ResourceHandle::prepareForURL(result.absoluteLinkURL()); 363 } 364 m_client->mouseDidMoveOverElement(result, modifierFlags); 365 366 InspectorInstrumentation::mouseDidMoveOverElement(m_page, result, modifierFlags); 367} 368 369void Chrome::setToolTip(const HitTestResult& result) 370{ 371 // First priority is a potential toolTip representing a spelling or grammar error 372 TextDirection toolTipDirection; 373 String toolTip = result.spellingToolTip(toolTipDirection); 374 375 // Next priority is a toolTip from a URL beneath the mouse (if preference is set to show those). 376 if (toolTip.isEmpty() && m_page->settings()->showsURLsInToolTips()) { 377 if (Node* node = result.innerNonSharedNode()) { 378 // Get tooltip representing form action, if relevant 379 if (node->hasTagName(inputTag)) { 380 HTMLInputElement* input = static_cast<HTMLInputElement*>(node); 381 if (input->isSubmitButton()) 382 if (HTMLFormElement* form = input->form()) { 383 toolTip = form->action(); 384 if (form->renderer()) 385 toolTipDirection = form->renderer()->style()->direction(); 386 else 387 toolTipDirection = LTR; 388 } 389 } 390 } 391 392 // Get tooltip representing link's URL 393 if (toolTip.isEmpty()) { 394 // FIXME: Need to pass this URL through userVisibleString once that's in WebCore 395 toolTip = result.absoluteLinkURL().string(); 396 // URL always display as LTR. 397 toolTipDirection = LTR; 398 } 399 } 400 401 // Next we'll consider a tooltip for element with "title" attribute 402 if (toolTip.isEmpty()) 403 toolTip = result.title(toolTipDirection); 404 405 // Lastly, for <input type="file"> that allow multiple files, we'll consider a tooltip for the selected filenames 406 if (toolTip.isEmpty()) { 407 if (Node* node = result.innerNonSharedNode()) { 408 if (node->hasTagName(inputTag)) { 409 HTMLInputElement* input = static_cast<HTMLInputElement*>(node); 410 if (input->isFileUpload()) { 411 FileList* files = input->files(); 412 unsigned listSize = files->length(); 413 if (listSize > 1) { 414 Vector<UChar> names; 415 for (size_t i = 0; i < listSize; ++i) { 416 append(names, files->item(i)->fileName()); 417 if (i != listSize - 1) 418 names.append('\n'); 419 } 420 toolTip = String::adopt(names); 421 // filename always display as LTR. 422 toolTipDirection = LTR; 423 } 424 } 425 } 426 } 427 } 428 429 m_client->setToolTip(toolTip, toolTipDirection); 430} 431 432void Chrome::print(Frame* frame) 433{ 434 m_client->print(frame); 435} 436 437void Chrome::requestGeolocationPermissionForFrame(Frame* frame, Geolocation* geolocation) 438{ 439 m_client->requestGeolocationPermissionForFrame(frame, geolocation); 440} 441 442void Chrome::cancelGeolocationPermissionRequestForFrame(Frame* frame, Geolocation* geolocation) 443{ 444 m_client->cancelGeolocationPermissionRequestForFrame(frame, geolocation); 445} 446 447#if ENABLE(DIRECTORY_UPLOAD) 448void Chrome::enumerateChosenDirectory(const String& path, FileChooser* fileChooser) 449{ 450 m_client->enumerateChosenDirectory(path, fileChooser); 451} 452#endif 453 454void Chrome::runOpenPanel(Frame* frame, PassRefPtr<FileChooser> fileChooser) 455{ 456 m_client->runOpenPanel(frame, fileChooser); 457} 458 459void Chrome::chooseIconForFiles(const Vector<String>& filenames, FileChooser* fileChooser) 460{ 461 m_client->chooseIconForFiles(filenames, fileChooser); 462} 463 464void Chrome::dispatchViewportDataDidChange(const ViewportArguments& arguments) const 465{ 466 m_client->dispatchViewportDataDidChange(arguments); 467} 468 469void Chrome::setCursor(const Cursor& cursor) 470{ 471 m_client->setCursor(cursor); 472} 473 474#if ENABLE(REQUEST_ANIMATION_FRAME) 475void Chrome::scheduleAnimation() 476{ 477 m_client->scheduleAnimation(); 478} 479#endif 480 481#if ENABLE(NOTIFICATIONS) 482NotificationPresenter* Chrome::notificationPresenter() const 483{ 484 return m_client->notificationPresenter(); 485} 486#endif 487 488// -------- 489 490#if ENABLE(DASHBOARD_SUPPORT) 491void ChromeClient::dashboardRegionsChanged() 492{ 493} 494#endif 495 496void ChromeClient::populateVisitedLinks() 497{ 498} 499 500FloatRect ChromeClient::customHighlightRect(Node*, const AtomicString&, const FloatRect&) 501{ 502 return FloatRect(); 503} 504 505void ChromeClient::paintCustomHighlight(Node*, const AtomicString&, const FloatRect&, const FloatRect&, bool, bool) 506{ 507} 508 509bool ChromeClient::shouldReplaceWithGeneratedFileForUpload(const String&, String&) 510{ 511 return false; 512} 513 514String ChromeClient::generateReplacementFile(const String&) 515{ 516 ASSERT_NOT_REACHED(); 517 return String(); 518} 519 520bool ChromeClient::paintCustomScrollbar(GraphicsContext*, const FloatRect&, ScrollbarControlSize, 521 ScrollbarControlState, ScrollbarPart, bool, 522 float, float, ScrollbarControlPartMask) 523{ 524 return false; 525} 526 527bool ChromeClient::paintCustomScrollCorner(GraphicsContext*, const FloatRect&) 528{ 529 return false; 530} 531 532bool ChromeClient::paintCustomOverhangArea(GraphicsContext*, const IntRect&, const IntRect&, const IntRect&) 533{ 534 return false; 535} 536 537bool Chrome::selectItemWritingDirectionIsNatural() 538{ 539 return m_client->selectItemWritingDirectionIsNatural(); 540} 541 542bool Chrome::selectItemAlignmentFollowsMenuWritingDirection() 543{ 544 return m_client->selectItemAlignmentFollowsMenuWritingDirection(); 545} 546 547PassRefPtr<PopupMenu> Chrome::createPopupMenu(PopupMenuClient* client) const 548{ 549 return m_client->createPopupMenu(client); 550} 551 552PassRefPtr<SearchPopupMenu> Chrome::createSearchPopupMenu(PopupMenuClient* client) const 553{ 554 return m_client->createSearchPopupMenu(client); 555} 556 557#if ENABLE(CONTEXT_MENUS) 558void Chrome::showContextMenu() 559{ 560 m_client->showContextMenu(); 561} 562#endif 563 564bool Chrome::requiresFullscreenForVideoPlayback() 565{ 566 return m_client->requiresFullscreenForVideoPlayback(); 567} 568 569void Chrome::willRunModalHTMLDialog(const Frame* frame) const 570{ 571 willRunModalDialog(frame, ChromeClient::HTMLDialog, m_client); 572} 573 574} // namespace WebCore 575