1/* 2 * Copyright (C) 2006, 2007, 2009, 2011 Apple Inc. All rights reserved. 3 * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies) 4 * Copyright (C) 2012, Samsung Electronics. All rights reserved. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22#include "config.h" 23#include "core/page/Chrome.h" 24 25#include "public/platform/WebScreenInfo.h" 26#include "HTMLNames.h" 27#include "core/dom/Document.h" 28#include "core/html/HTMLInputElement.h" 29#include "core/inspector/InspectorInstrumentation.h" 30#include "core/page/ChromeClient.h" 31#include "core/page/Frame.h" 32#include "core/page/FrameTree.h" 33#include "core/page/Page.h" 34#include "core/page/PageGroupLoadDeferrer.h" 35#include "core/page/PopupOpeningObserver.h" 36#include "core/page/WindowFeatures.h" 37#include "core/platform/ColorChooser.h" 38#include "core/platform/DateTimeChooser.h" 39#include "core/platform/FileChooser.h" 40#include "core/platform/graphics/FloatRect.h" 41#include "core/platform/network/DNS.h" 42#include "core/rendering/HitTestResult.h" 43#include "wtf/PassRefPtr.h" 44#include "wtf/Vector.h" 45 46namespace WebCore { 47 48using namespace HTMLNames; 49using namespace std; 50 51Chrome::Chrome(Page* page, ChromeClient* client) 52 : m_page(page) 53 , m_client(client) 54{ 55 ASSERT(m_client); 56} 57 58Chrome::~Chrome() 59{ 60 m_client->chromeDestroyed(); 61} 62 63PassOwnPtr<Chrome> Chrome::create(Page* page, ChromeClient* client) 64{ 65 return adoptPtr(new Chrome(page, client)); 66} 67 68void Chrome::invalidateContentsAndRootView(const IntRect& updateRect) 69{ 70 m_client->invalidateContentsAndRootView(updateRect); 71} 72 73void Chrome::invalidateContentsForSlowScroll(const IntRect& updateRect) 74{ 75 m_client->invalidateContentsForSlowScroll(updateRect); 76} 77 78void Chrome::scroll(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect) 79{ 80 m_client->scroll(scrollDelta, rectToScroll, clipRect); 81 InspectorInstrumentation::didScroll(m_page); 82} 83 84IntPoint Chrome::screenToRootView(const IntPoint& point) const 85{ 86 return m_client->screenToRootView(point); 87} 88 89IntRect Chrome::rootViewToScreen(const IntRect& rect) const 90{ 91 return m_client->rootViewToScreen(rect); 92} 93 94WebKit::WebScreenInfo Chrome::screenInfo() const 95{ 96 return m_client->screenInfo(); 97} 98 99void Chrome::contentsSizeChanged(Frame* frame, const IntSize& size) const 100{ 101 m_client->contentsSizeChanged(frame, size); 102} 103 104void Chrome::layoutUpdated(Frame* frame) const 105{ 106 m_client->layoutUpdated(frame); 107} 108 109void Chrome::setWindowRect(const FloatRect& rect) const 110{ 111 m_client->setWindowRect(rect); 112} 113 114FloatRect Chrome::windowRect() const 115{ 116 return m_client->windowRect(); 117} 118 119FloatRect Chrome::pageRect() const 120{ 121 return m_client->pageRect(); 122} 123 124void Chrome::focus() const 125{ 126 m_client->focus(); 127} 128 129void Chrome::unfocus() const 130{ 131 m_client->unfocus(); 132} 133 134bool Chrome::canTakeFocus(FocusDirection direction) const 135{ 136 return m_client->canTakeFocus(direction); 137} 138 139void Chrome::takeFocus(FocusDirection direction) const 140{ 141 m_client->takeFocus(direction); 142} 143 144void Chrome::focusedNodeChanged(Node* node) const 145{ 146 m_client->focusedNodeChanged(node); 147} 148 149void Chrome::show(NavigationPolicy policy) const 150{ 151 m_client->show(policy); 152} 153 154bool Chrome::canRunModal() const 155{ 156 return m_client->canRunModal(); 157} 158 159static bool canRunModalIfDuringPageDismissal(Page* page, ChromeClient::DialogType dialog, const String& message) 160{ 161 for (Frame* frame = page->mainFrame(); frame; frame = frame->tree()->traverseNext()) { 162 FrameLoader::PageDismissalType dismissal = frame->loader()->pageDismissalEventBeingDispatched(); 163 if (dismissal != FrameLoader::NoDismissal) 164 return page->chrome().client()->shouldRunModalDialogDuringPageDismissal(dialog, message, dismissal); 165 } 166 return true; 167} 168 169bool Chrome::canRunModalNow() const 170{ 171 return canRunModal() && canRunModalIfDuringPageDismissal(m_page, ChromeClient::HTMLDialog, String()); 172} 173 174void Chrome::runModal() const 175{ 176 // Defer callbacks in all the other pages in this group, so we don't try to run JavaScript 177 // in a way that could interact with this view. 178 PageGroupLoadDeferrer deferrer(m_page, false); 179 180 TimerBase::fireTimersInNestedEventLoop(); 181 m_client->runModal(); 182} 183 184void Chrome::setWindowFeatures(const WindowFeatures& features) const 185{ 186 m_client->setToolbarsVisible(features.toolBarVisible || features.locationBarVisible); 187 m_client->setStatusbarVisible(features.statusBarVisible); 188 m_client->setScrollbarsVisible(features.scrollbarsVisible); 189 m_client->setMenubarVisible(features.menuBarVisible); 190 m_client->setResizable(features.resizable); 191} 192 193bool Chrome::toolbarsVisible() const 194{ 195 return m_client->toolbarsVisible(); 196} 197 198bool Chrome::statusbarVisible() const 199{ 200 return m_client->statusbarVisible(); 201} 202 203bool Chrome::scrollbarsVisible() const 204{ 205 return m_client->scrollbarsVisible(); 206} 207 208bool Chrome::menubarVisible() const 209{ 210 return m_client->menubarVisible(); 211} 212 213bool Chrome::canRunBeforeUnloadConfirmPanel() 214{ 215 return m_client->canRunBeforeUnloadConfirmPanel(); 216} 217 218bool Chrome::runBeforeUnloadConfirmPanel(const String& message, Frame* frame) 219{ 220 // Defer loads in case the client method runs a new event loop that would 221 // otherwise cause the load to continue while we're in the middle of executing JavaScript. 222 PageGroupLoadDeferrer deferrer(m_page, true); 223 224 InspectorInstrumentationCookie cookie = InspectorInstrumentation::willRunJavaScriptDialog(m_page, message); 225 bool ok = m_client->runBeforeUnloadConfirmPanel(message, frame); 226 InspectorInstrumentation::didRunJavaScriptDialog(cookie); 227 return ok; 228} 229 230void Chrome::closeWindowSoon() 231{ 232 m_client->closeWindowSoon(); 233} 234 235void Chrome::runJavaScriptAlert(Frame* frame, const String& message) 236{ 237 if (!canRunModalIfDuringPageDismissal(m_page, ChromeClient::AlertDialog, message)) 238 return; 239 240 // Defer loads in case the client method runs a new event loop that would 241 // otherwise cause the load to continue while we're in the middle of executing JavaScript. 242 PageGroupLoadDeferrer deferrer(m_page, true); 243 244 ASSERT(frame); 245 notifyPopupOpeningObservers(); 246 String displayMessage = frame->displayStringModifiedByEncoding(message); 247 248 InspectorInstrumentationCookie cookie = InspectorInstrumentation::willRunJavaScriptDialog(m_page, displayMessage); 249 m_client->runJavaScriptAlert(frame, displayMessage); 250 InspectorInstrumentation::didRunJavaScriptDialog(cookie); 251} 252 253bool Chrome::runJavaScriptConfirm(Frame* frame, const String& message) 254{ 255 if (!canRunModalIfDuringPageDismissal(m_page, ChromeClient::ConfirmDialog, message)) 256 return false; 257 258 // Defer loads in case the client method runs a new event loop that would 259 // otherwise cause the load to continue while we're in the middle of executing JavaScript. 260 PageGroupLoadDeferrer deferrer(m_page, true); 261 262 ASSERT(frame); 263 notifyPopupOpeningObservers(); 264 String displayMessage = frame->displayStringModifiedByEncoding(message); 265 266 InspectorInstrumentationCookie cookie = InspectorInstrumentation::willRunJavaScriptDialog(m_page, displayMessage); 267 bool ok = m_client->runJavaScriptConfirm(frame, displayMessage); 268 InspectorInstrumentation::didRunJavaScriptDialog(cookie); 269 return ok; 270} 271 272bool Chrome::runJavaScriptPrompt(Frame* frame, const String& prompt, const String& defaultValue, String& result) 273{ 274 if (!canRunModalIfDuringPageDismissal(m_page, ChromeClient::PromptDialog, prompt)) 275 return false; 276 277 // Defer loads in case the client method runs a new event loop that would 278 // otherwise cause the load to continue while we're in the middle of executing JavaScript. 279 PageGroupLoadDeferrer deferrer(m_page, true); 280 281 ASSERT(frame); 282 notifyPopupOpeningObservers(); 283 String displayPrompt = frame->displayStringModifiedByEncoding(prompt); 284 285 InspectorInstrumentationCookie cookie = InspectorInstrumentation::willRunJavaScriptDialog(m_page, displayPrompt); 286 bool ok = m_client->runJavaScriptPrompt(frame, displayPrompt, frame->displayStringModifiedByEncoding(defaultValue), result); 287 InspectorInstrumentation::didRunJavaScriptDialog(cookie); 288 289 if (ok) 290 result = frame->displayStringModifiedByEncoding(result); 291 292 return ok; 293} 294 295void Chrome::setStatusbarText(Frame* frame, const String& status) 296{ 297 ASSERT(frame); 298 m_client->setStatusbarText(frame->displayStringModifiedByEncoding(status)); 299} 300 301IntRect Chrome::windowResizerRect() const 302{ 303 return m_client->windowResizerRect(); 304} 305 306void Chrome::mouseDidMoveOverElement(const HitTestResult& result, unsigned modifierFlags) 307{ 308 if (result.innerNode()) { 309 Document* document = result.innerNode()->document(); 310 if (document && document->isDNSPrefetchEnabled()) 311 prefetchDNS(result.absoluteLinkURL().host()); 312 } 313 m_client->mouseDidMoveOverElement(result, modifierFlags); 314} 315 316void Chrome::setToolTip(const HitTestResult& result) 317{ 318 // First priority is a potential toolTip representing a spelling or grammar error 319 TextDirection toolTipDirection; 320 String toolTip = result.spellingToolTip(toolTipDirection); 321 322 // Next we'll consider a tooltip for element with "title" attribute 323 if (toolTip.isEmpty()) 324 toolTip = result.title(toolTipDirection); 325 326 // Lastly, for <input type="file"> that allow multiple files, we'll consider a tooltip for the selected filenames 327 if (toolTip.isEmpty()) { 328 if (Node* node = result.innerNonSharedNode()) { 329 if (node->hasTagName(inputTag)) { 330 HTMLInputElement* input = toHTMLInputElement(node); 331 toolTip = input->defaultToolTip(); 332 333 // FIXME: We should obtain text direction of tooltip from 334 // ChromeClient or platform. As of October 2011, all client 335 // implementations don't use text direction information for 336 // ChromeClient::setToolTip. We'll work on tooltip text 337 // direction during bidi cleanup in form inputs. 338 toolTipDirection = LTR; 339 } 340 } 341 } 342 343 m_client->setToolTip(toolTip, toolTipDirection); 344} 345 346void Chrome::print(Frame* frame) 347{ 348 // FIXME: This should have PageGroupLoadDeferrer, like runModal() or runJavaScriptAlert(), becasue it's no different from those. 349 m_client->print(frame); 350} 351 352void Chrome::enumerateChosenDirectory(FileChooser* fileChooser) 353{ 354 m_client->enumerateChosenDirectory(fileChooser); 355} 356 357PassOwnPtr<ColorChooser> Chrome::createColorChooser(ColorChooserClient* client, const Color& initialColor) 358{ 359 notifyPopupOpeningObservers(); 360 return m_client->createColorChooser(client, initialColor); 361} 362 363PassRefPtr<DateTimeChooser> Chrome::openDateTimeChooser(DateTimeChooserClient* client, const DateTimeChooserParameters& parameters) 364{ 365 notifyPopupOpeningObservers(); 366 return m_client->openDateTimeChooser(client, parameters); 367} 368 369void Chrome::runOpenPanel(Frame* frame, PassRefPtr<FileChooser> fileChooser) 370{ 371 notifyPopupOpeningObservers(); 372 m_client->runOpenPanel(frame, fileChooser); 373} 374 375void Chrome::dispatchViewportPropertiesDidChange(const ViewportArguments& arguments) const 376{ 377 m_client->dispatchViewportPropertiesDidChange(arguments); 378} 379 380void Chrome::setCursor(const Cursor& cursor) 381{ 382 m_client->setCursor(cursor); 383} 384 385void Chrome::scheduleAnimation() 386{ 387 m_client->scheduleAnimation(); 388} 389 390// -------- 391 392bool Chrome::hasOpenedPopup() const 393{ 394 return m_client->hasOpenedPopup(); 395} 396 397PassRefPtr<PopupMenu> Chrome::createPopupMenu(Frame& frame, PopupMenuClient* client) const 398{ 399 notifyPopupOpeningObservers(); 400 return m_client->createPopupMenu(frame, client); 401} 402 403void Chrome::registerPopupOpeningObserver(PopupOpeningObserver* observer) 404{ 405 ASSERT(observer); 406 m_popupOpeningObservers.append(observer); 407} 408 409void Chrome::unregisterPopupOpeningObserver(PopupOpeningObserver* observer) 410{ 411 size_t index = m_popupOpeningObservers.find(observer); 412 ASSERT(index != notFound); 413 m_popupOpeningObservers.remove(index); 414} 415 416void Chrome::notifyPopupOpeningObservers() const 417{ 418 const Vector<PopupOpeningObserver*> observers(m_popupOpeningObservers); 419 for (size_t i = 0; i < observers.size(); ++i) 420 observers[i]->willOpenPopup(); 421} 422 423} // namespace WebCore 424