1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2001 Dirk Mueller (mueller (at) kde.org) 5 * (C) 2006 Alexey Proskuryakov (ap (at) webkit.org) 6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved. 7 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 8 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) 9 * Copyright (C) 2011 Google Inc. All rights reserved. 10 * 11 * This library is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU Library General Public 13 * License as published by the Free Software Foundation; either 14 * version 2 of the License, or (at your option) any later version. 15 * 16 * This library is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * Library General Public License for more details. 20 * 21 * You should have received a copy of the GNU Library General Public License 22 * along with this library; see the file COPYING.LIB. If not, write to 23 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 24 * Boston, MA 02110-1301, USA. 25 * 26 */ 27 28 #ifndef Document_h 29 #define Document_h 30 31 #include "bindings/v8/ScriptValue.h" 32 #include "core/animation/css/CSSPendingAnimations.h" 33 #include "core/dom/ContainerNode.h" 34 #include "core/dom/DOMTimeStamp.h" 35 #include "core/dom/DocumentEncodingData.h" 36 #include "core/dom/DocumentInit.h" 37 #include "core/dom/DocumentLifecycle.h" 38 #include "core/dom/DocumentSupplementable.h" 39 #include "core/dom/DocumentTiming.h" 40 #include "core/dom/ExecutionContext.h" 41 #include "core/dom/IconURL.h" 42 #include "core/dom/MutationObserver.h" 43 #include "core/dom/QualifiedName.h" 44 #include "core/dom/TextLinkColors.h" 45 #include "core/dom/TreeScope.h" 46 #include "core/dom/UserActionElementSet.h" 47 #include "core/dom/ViewportDescription.h" 48 #include "core/dom/custom/CustomElement.h" 49 #include "core/html/CollectionType.h" 50 #include "core/page/FocusDirection.h" 51 #include "core/page/PageVisibilityState.h" 52 #include "core/rendering/HitTestRequest.h" 53 #include "platform/Timer.h" 54 #include "platform/weborigin/ReferrerPolicy.h" 55 #include "wtf/HashSet.h" 56 #include "wtf/OwnPtr.h" 57 #include "wtf/PassOwnPtr.h" 58 #include "wtf/PassRefPtr.h" 59 #include "wtf/WeakPtr.h" 60 61 namespace WebCore { 62 63 class AXObjectCache; 64 class AnimationClock; 65 class Attr; 66 class CDATASection; 67 class CSSFontSelector; 68 class CSSStyleDeclaration; 69 class CSSStyleSheet; 70 class CSSStyleSheetResource; 71 class CanvasRenderingContext; 72 class CharacterData; 73 class Chrome; 74 class Comment; 75 class ContentSecurityPolicyResponseHeaders; 76 class ContextFeatures; 77 class CustomElementRegistrationContext; 78 class DOMImplementation; 79 class DOMNamedFlowCollection; 80 class DOMSecurityPolicy; 81 class DOMSelection; 82 class DOMWindow; 83 class DOMWrapperWorld; 84 class Database; 85 class DatabaseThread; 86 class DocumentFragment; 87 class DocumentLifecycleNotifier; 88 class DocumentLifecycleObserver; 89 class DocumentLoader; 90 class DocumentMarkerController; 91 class DocumentParser; 92 class DocumentSharedObjectPool; 93 class DocumentTimeline; 94 class DocumentType; 95 class Element; 96 class Event; 97 class EventListener; 98 class ExceptionState; 99 class MainThreadTaskRunner; 100 class FastTextAutosizer; 101 class FloatQuad; 102 class FloatRect; 103 class FormController; 104 class Frame; 105 class FrameView; 106 class HTMLAllCollection; 107 class HTMLCanvasElement; 108 class HTMLCollection; 109 class HTMLDialogElement; 110 class HTMLDocument; 111 class HTMLElement; 112 class HTMLFrameOwnerElement; 113 class HTMLHeadElement; 114 class HTMLIFrameElement; 115 class HTMLImport; 116 class HTMLMapElement; 117 class HTMLNameCollection; 118 class HTMLScriptElement; 119 class HitTestRequest; 120 class HitTestResult; 121 class IntPoint; 122 class JSNode; 123 class LayoutPoint; 124 class LayoutRect; 125 class LiveNodeListBase; 126 class Locale; 127 class Location; 128 class MediaQueryList; 129 class MediaQueryMatcher; 130 class MouseEventWithHitTestResults; 131 class NamedFlowCollection; 132 class NodeFilter; 133 class NodeIterator; 134 class Page; 135 class PlatformMouseEvent; 136 class ProcessingInstruction; 137 class Range; 138 class RegisteredEventListener; 139 class RenderView; 140 class RequestAnimationFrameCallback; 141 class ResourceFetcher; 142 class SVGDocumentExtensions; 143 class ScriptElementData; 144 class ScriptResource; 145 class ScriptRunner; 146 class ScriptableDocumentParser; 147 class ScriptedAnimationController; 148 class SecurityOrigin; 149 class SegmentedString; 150 class SelectorQueryCache; 151 class SerializedScriptValue; 152 class Settings; 153 class StyleEngine; 154 class StyleResolver; 155 class StyleSheet; 156 class StyleSheetContents; 157 class StyleSheetList; 158 class Text; 159 class TextAutosizer; 160 class Touch; 161 class TouchList; 162 class TransformSource; 163 class TreeWalker; 164 class VisitedLinkState; 165 class XMLHttpRequest; 166 167 struct AnnotatedRegionValue; 168 169 class FontFaceSet; 170 171 typedef int ExceptionCode; 172 173 enum RecalcStyleTime { 174 RecalcStyleImmediately, // synchronous 175 RecalcStyleDeferred // asynchronous 176 }; 177 178 enum StyleResolverUpdateMode { 179 // Discards the StyleResolver and rebuilds it. 180 FullStyleUpdate, 181 // Attempts to use StyleInvalidationAnalysis to avoid discarding the entire StyleResolver. 182 AnalyzedStyleUpdate 183 }; 184 185 enum NodeListInvalidationType { 186 DoNotInvalidateOnAttributeChanges = 0, 187 InvalidateOnClassAttrChange, 188 InvalidateOnIdNameAttrChange, 189 InvalidateOnNameAttrChange, 190 InvalidateOnForAttrChange, 191 InvalidateForFormControls, 192 InvalidateOnHRefAttrChange, 193 InvalidateOnItemAttrChange, 194 InvalidateOnAnyAttrChange, 195 }; 196 const int numNodeListInvalidationTypes = InvalidateOnAnyAttrChange + 1; 197 198 typedef HashCountedSet<Node*> TouchEventTargetSet; 199 200 enum DocumentClass { 201 DefaultDocumentClass = 0, 202 HTMLDocumentClass = 1, 203 XHTMLDocumentClass = 1 << 1, 204 ImageDocumentClass = 1 << 2, 205 PluginDocumentClass = 1 << 3, 206 MediaDocumentClass = 1 << 4, 207 SVGDocumentClass = 1 << 5, 208 }; 209 210 typedef unsigned char DocumentClassFlags; 211 212 class Document : public ContainerNode, public TreeScope, public SecurityContext, public ExecutionContext, public ExecutionContextClient 213 , public DocumentSupplementable, public LifecycleContext<Document> { 214 public: 215 static PassRefPtr<Document> create(const DocumentInit& initializer = DocumentInit()) 216 { 217 return adoptRef(new Document(initializer)); 218 } 219 static PassRefPtr<Document> createXHTML(const DocumentInit& initializer = DocumentInit()) 220 { 221 return adoptRef(new Document(initializer, XHTMLDocumentClass)); 222 } 223 virtual ~Document(); 224 225 MediaQueryMatcher& mediaQueryMatcher(); 226 227 void mediaQueryAffectingValueChanged(); 228 229 using ContainerNode::ref; 230 using ContainerNode::deref; 231 using SecurityContext::securityOrigin; 232 using SecurityContext::contentSecurityPolicy; 233 using ExecutionContextClient::addConsoleMessage; 234 235 virtual bool canContainRangeEndPoint() const { return true; } 236 237 SelectorQueryCache& selectorQueryCache(); 238 239 // DOM methods & attributes for Document 240 241 DEFINE_ATTRIBUTE_EVENT_LISTENER(beforecopy); 242 DEFINE_ATTRIBUTE_EVENT_LISTENER(beforecut); 243 DEFINE_ATTRIBUTE_EVENT_LISTENER(beforepaste); 244 DEFINE_ATTRIBUTE_EVENT_LISTENER(copy); 245 DEFINE_ATTRIBUTE_EVENT_LISTENER(cut); 246 DEFINE_ATTRIBUTE_EVENT_LISTENER(paste); 247 DEFINE_ATTRIBUTE_EVENT_LISTENER(readystatechange); 248 DEFINE_ATTRIBUTE_EVENT_LISTENER(search); 249 DEFINE_ATTRIBUTE_EVENT_LISTENER(securitypolicyviolation); 250 DEFINE_ATTRIBUTE_EVENT_LISTENER(selectionchange); 251 DEFINE_ATTRIBUTE_EVENT_LISTENER(selectstart); 252 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchcancel); 253 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchend); 254 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchmove); 255 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchstart); 256 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitfullscreenchange); 257 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitfullscreenerror); 258 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitpointerlockchange); 259 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitpointerlockerror); 260 DEFINE_ATTRIBUTE_EVENT_LISTENER(wheel); 261 262 bool shouldMergeWithLegacyDescription(ViewportDescription::Type); 263 bool shouldOverrideLegacyDescription(ViewportDescription::Type); 264 void setViewportDescription(const ViewportDescription&); 265 const ViewportDescription& viewportDescription() const { return m_viewportDescription; } 266 #ifndef NDEBUG 267 bool didDispatchViewportPropertiesChanged() const { return m_didDispatchViewportPropertiesChanged; } 268 #endif 269 bool hasLegacyViewportTag() const { return m_legacyViewportDescription.isLegacyViewportType(); } 270 271 void setReferrerPolicy(ReferrerPolicy referrerPolicy) { m_referrerPolicy = referrerPolicy; } 272 ReferrerPolicy referrerPolicy() const { return m_referrerPolicy; } 273 274 String outgoingReferrer(); 275 String outgoingOrigin() const; 276 277 void setDoctype(PassRefPtr<DocumentType>); 278 DocumentType* doctype() const { return m_docType.get(); } 279 280 DOMImplementation* implementation(); 281 282 Element* documentElement() const 283 { 284 return m_documentElement.get(); 285 } 286 287 bool hasManifest() const; 288 289 Location* location() const; 290 291 PassRefPtr<Element> createElement(const AtomicString& name, ExceptionState&); 292 PassRefPtr<DocumentFragment> createDocumentFragment(); 293 PassRefPtr<Text> createTextNode(const String& data); 294 PassRefPtr<Comment> createComment(const String& data); 295 PassRefPtr<CDATASection> createCDATASection(const String& data, ExceptionState&); 296 PassRefPtr<ProcessingInstruction> createProcessingInstruction(const String& target, const String& data, ExceptionState&); 297 PassRefPtr<Attr> createAttribute(const AtomicString& name, ExceptionState&); 298 PassRefPtr<Attr> createAttributeNS(const AtomicString& namespaceURI, const AtomicString& qualifiedName, ExceptionState&, bool shouldIgnoreNamespaceChecks = false); 299 PassRefPtr<Node> importNode(Node* importedNode, ExceptionState& ec) { return importNode(importedNode, true, ec); } 300 PassRefPtr<Node> importNode(Node* importedNode, bool deep, ExceptionState&); 301 PassRefPtr<Element> createElementNS(const AtomicString& namespaceURI, const AtomicString& qualifiedName, ExceptionState&); 302 PassRefPtr<Element> createElement(const QualifiedName&, bool createdByParser); 303 304 PassRefPtr<DOMNamedFlowCollection> webkitGetNamedFlows(); 305 306 NamedFlowCollection* namedFlows(); 307 308 bool regionBasedColumnsEnabled() const; 309 310 /** 311 * Retrieve all nodes that intersect a rect in the window's document, until it is fully enclosed by 312 * the boundaries of a node. 313 * 314 * @param centerX x reference for the rectangle in CSS pixels 315 * @param centerY y reference for the rectangle in CSS pixels 316 * @param topPadding How much to expand the top of the rectangle 317 * @param rightPadding How much to expand the right of the rectangle 318 * @param bottomPadding How much to expand the bottom of the rectangle 319 * @param leftPadding How much to expand the left of the rectangle 320 */ 321 PassRefPtr<NodeList> nodesFromRect(int centerX, int centerY, 322 unsigned topPadding, unsigned rightPadding, unsigned bottomPadding, unsigned leftPadding, 323 HitTestRequest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::ConfusingAndOftenMisusedDisallowShadowContent) const; 324 Element* elementFromPoint(int x, int y) const; 325 PassRefPtr<Range> caretRangeFromPoint(int x, int y); 326 327 String readyState() const; 328 329 String defaultCharset() const; 330 331 AtomicString inputEncoding() const { return Document::encodingName(); } 332 AtomicString charset() const { return Document::encodingName(); } 333 AtomicString characterSet() const { return Document::encodingName(); } 334 335 AtomicString encodingName() const; 336 337 void setCharset(const String&); 338 339 void setContent(const String&); 340 341 String suggestedMIMEType() const; 342 343 const AtomicString& contentLanguage() const { return m_contentLanguage; } 344 void setContentLanguage(const AtomicString&); 345 346 String xmlEncoding() const { return m_xmlEncoding; } 347 String xmlVersion() const { return m_xmlVersion; } 348 enum StandaloneStatus { StandaloneUnspecified, Standalone, NotStandalone }; 349 bool xmlStandalone() const { return m_xmlStandalone == Standalone; } 350 StandaloneStatus xmlStandaloneStatus() const { return static_cast<StandaloneStatus>(m_xmlStandalone); } 351 bool hasXMLDeclaration() const { return m_hasXMLDeclaration; } 352 353 void setXMLEncoding(const String& encoding) { m_xmlEncoding = encoding; } // read-only property, only to be set from XMLDocumentParser 354 void setXMLVersion(const String&, ExceptionState&); 355 void setXMLStandalone(bool, ExceptionState&); 356 void setHasXMLDeclaration(bool hasXMLDeclaration) { m_hasXMLDeclaration = hasXMLDeclaration ? 1 : 0; } 357 358 String documentURI() const { return m_documentURI; } 359 360 virtual KURL baseURI() const; 361 362 String visibilityState() const; 363 bool hidden() const; 364 void dispatchVisibilityStateChangeEvent(); 365 366 DOMSecurityPolicy* securityPolicy(); 367 368 PassRefPtr<Node> adoptNode(PassRefPtr<Node> source, ExceptionState&); 369 370 PassRefPtr<HTMLCollection> images(); 371 PassRefPtr<HTMLCollection> embeds(); 372 PassRefPtr<HTMLCollection> applets(); 373 PassRefPtr<HTMLCollection> links(); 374 PassRefPtr<HTMLCollection> forms(); 375 PassRefPtr<HTMLCollection> anchors(); 376 PassRefPtr<HTMLCollection> scripts(); 377 PassRefPtr<HTMLCollection> allForBinding(); 378 PassRefPtr<HTMLCollection> all(); 379 380 PassRefPtr<HTMLCollection> windowNamedItems(const AtomicString& name); 381 PassRefPtr<HTMLCollection> documentNamedItems(const AtomicString& name); 382 383 bool isHTMLDocument() const { return m_documentClasses & HTMLDocumentClass; } 384 bool isXHTMLDocument() const { return m_documentClasses & XHTMLDocumentClass; } 385 bool isImageDocument() const { return m_documentClasses & ImageDocumentClass; } 386 bool isSVGDocument() const { return m_documentClasses & SVGDocumentClass; } 387 bool isPluginDocument() const { return m_documentClasses & PluginDocumentClass; } 388 bool isMediaDocument() const { return m_documentClasses & MediaDocumentClass; } 389 390 bool hasSVGRootNode() const; 391 392 bool isFrameSet() const; 393 394 bool isSrcdocDocument() const { return m_isSrcdocDocument; } 395 bool isMobileDocument() const { return m_isMobileDocument; } 396 397 StyleResolver* styleResolver() const; 398 StyleResolver& ensureStyleResolver() const; 399 400 bool isViewSource() const { return m_isViewSource; } 401 void setIsViewSource(bool); 402 403 bool sawElementsInKnownNamespaces() const { return m_sawElementsInKnownNamespaces; } 404 405 void notifyRemovePendingSheetIfNeeded(); 406 407 bool haveStylesheetsLoaded() const; 408 bool haveStylesheetsAndImportsLoaded() const { return haveImportsLoaded() && haveStylesheetsLoaded(); } 409 410 // This is a DOM function. 411 StyleSheetList* styleSheets(); 412 413 StyleEngine* styleEngine() { return m_styleEngine.get(); } 414 415 bool gotoAnchorNeededAfterStylesheetsLoad() { return m_gotoAnchorNeededAfterStylesheetsLoad; } 416 void setGotoAnchorNeededAfterStylesheetsLoad(bool b) { m_gotoAnchorNeededAfterStylesheetsLoad = b; } 417 418 // Called when one or more stylesheets in the document may have been added, removed, or changed. 419 void styleResolverChanged(RecalcStyleTime, StyleResolverUpdateMode = FullStyleUpdate); 420 421 // FIXME: Switch all callers of styleResolverChanged to these or better ones and then make them 422 // do something smarter. 423 void removedStyleSheet(StyleSheet*, RecalcStyleTime when = RecalcStyleDeferred, StyleResolverUpdateMode = FullStyleUpdate); 424 void addedStyleSheet(StyleSheet*, RecalcStyleTime when = RecalcStyleDeferred) { styleResolverChanged(when); } 425 void modifiedStyleSheet(StyleSheet*, RecalcStyleTime when = RecalcStyleDeferred, StyleResolverUpdateMode = FullStyleUpdate); 426 void changedSelectorWatch() { styleResolverChanged(RecalcStyleDeferred); } 427 428 void evaluateMediaQueryList(); 429 430 // Never returns 0. 431 FormController* formController(); 432 Vector<String> formElementsState() const; 433 void setStateForNewFormElements(const Vector<String>&); 434 435 FrameView* view() const; // can be null 436 Frame* frame() const { return m_frame; } // can be null 437 Page* page() const; // can be null 438 Settings* settings() const; // can be null 439 440 float devicePixelRatio() const; 441 442 PassRefPtr<Range> createRange(); 443 444 PassRefPtr<NodeIterator> createNodeIterator(Node* root, ExceptionState&); 445 PassRefPtr<NodeIterator> createNodeIterator(Node* root, unsigned whatToShow, ExceptionState&); 446 PassRefPtr<NodeIterator> createNodeIterator(Node* root, unsigned whatToShow, PassRefPtr<NodeFilter>, ExceptionState&); 447 448 PassRefPtr<TreeWalker> createTreeWalker(Node* root, ExceptionState&); 449 PassRefPtr<TreeWalker> createTreeWalker(Node* root, unsigned whatToShow, ExceptionState&); 450 PassRefPtr<TreeWalker> createTreeWalker(Node* root, unsigned whatToShow, PassRefPtr<NodeFilter>, ExceptionState&); 451 452 // Special support for editing 453 PassRefPtr<CSSStyleDeclaration> createCSSStyleDeclaration(); 454 PassRefPtr<Text> createEditingTextNode(const String&); 455 456 void setStyleDependentState(RenderStyle* documentStyle); 457 void inheritHtmlAndBodyElementStyles(StyleRecalcChange); 458 void recalcStyle(StyleRecalcChange); 459 void updateStyleIfNeeded(); 460 void updateStyleForNodeIfNeeded(Node*); 461 void updateLayout(); 462 enum RunPostLayoutTasks { 463 RunPostLayoutTasksAsyhnchronously, 464 RunPostLayoutTasksSynchronously, 465 }; 466 void updateLayoutIgnorePendingStylesheets(RunPostLayoutTasks = RunPostLayoutTasksAsyhnchronously); 467 void partialUpdateLayoutIgnorePendingStylesheets(Node*); 468 PassRefPtr<RenderStyle> styleForElementIgnoringPendingStylesheets(Element*); 469 PassRefPtr<RenderStyle> styleForPage(int pageIndex); 470 471 void updateDistributionForNodeIfNeeded(Node*); 472 473 // Returns true if page box (margin boxes and page borders) is visible. 474 bool isPageBoxVisible(int pageIndex); 475 476 // Returns the preferred page size and margins in pixels, assuming 96 477 // pixels per inch. pageSize, marginTop, marginRight, marginBottom, 478 // marginLeft must be initialized to the default values that are used if 479 // auto is specified. 480 void pageSizeAndMarginsInPixels(int pageIndex, IntSize& pageSize, int& marginTop, int& marginRight, int& marginBottom, int& marginLeft); 481 482 ResourceFetcher* fetcher() { return m_fetcher.get(); } 483 484 virtual void attach(const AttachContext& = AttachContext()) OVERRIDE; 485 virtual void detach(const AttachContext& = AttachContext()) OVERRIDE; 486 void prepareForDestruction(); 487 488 RenderView* renderView() const { return m_renderView; } 489 490 AXObjectCache* existingAXObjectCache() const; 491 AXObjectCache* axObjectCache() const; 492 void clearAXObjectCache(); 493 494 // to get visually ordered hebrew and arabic pages right 495 void setVisuallyOrdered(); 496 bool visuallyOrdered() const { return m_visuallyOrdered; } 497 498 DocumentLoader* loader() const; 499 500 void open(Document* ownerDocument = 0); 501 PassRefPtr<DocumentParser> implicitOpen(); 502 503 // close() is the DOM API document.close() 504 void close(); 505 // In some situations (see the code), we ignore document.close(). 506 // explicitClose() bypass these checks and actually tries to close the 507 // input stream. 508 void explicitClose(); 509 // implicitClose() actually does the work of closing the input stream. 510 void implicitClose(); 511 512 bool dispatchBeforeUnloadEvent(Chrome&, bool&); 513 void dispatchUnloadEvents(); 514 515 enum PageDismissalType { 516 NoDismissal = 0, 517 BeforeUnloadDismissal = 1, 518 PageHideDismissal = 2, 519 UnloadDismissal = 3 520 }; 521 PageDismissalType pageDismissalEventBeingDispatched() const; 522 523 void cancelParsing(); 524 525 void write(const SegmentedString& text, Document* ownerDocument = 0); 526 void write(const String& text, Document* ownerDocument = 0); 527 void writeln(const String& text, Document* ownerDocument = 0); 528 529 bool wellFormed() const { return m_wellFormed; } 530 531 const KURL& url() const { return m_url; } 532 void setURL(const KURL&); 533 534 // To understand how these concepts relate to one another, please see the 535 // comments surrounding their declaration. 536 const KURL& baseURL() const { return m_baseURL; } 537 void setBaseURLOverride(const KURL&); 538 const KURL& baseURLOverride() const { return m_baseURLOverride; } 539 const KURL& baseElementURL() const { return m_baseElementURL; } 540 const String& baseTarget() const { return m_baseTarget; } 541 void processBaseElement(); 542 543 KURL completeURL(const String&) const; 544 KURL completeURL(const String&, const KURL& baseURLOverride) const; 545 546 virtual String userAgent(const KURL&) const; 547 virtual void disableEval(const String& errorMessage); 548 549 bool canNavigate(Frame* targetFrame); 550 Frame* findUnsafeParentScrollPropagationBoundary(); 551 552 CSSStyleSheet* elementSheet(); 553 554 virtual PassRefPtr<DocumentParser> createParser(); 555 DocumentParser* parser() const { return m_parser.get(); } 556 ScriptableDocumentParser* scriptableDocumentParser() const; 557 558 bool printing() const { return m_printing; } 559 void setPrinting(bool p) { m_printing = p; } 560 561 bool paginatedForScreen() const { return m_paginatedForScreen; } 562 void setPaginatedForScreen(bool p) { m_paginatedForScreen = p; } 563 564 bool paginated() const { return printing() || paginatedForScreen(); } 565 566 enum CompatibilityMode { QuirksMode, LimitedQuirksMode, NoQuirksMode }; 567 568 void setCompatibilityMode(CompatibilityMode m); 569 void lockCompatibilityMode() { m_compatibilityModeLocked = true; } 570 CompatibilityMode compatibilityMode() const { return m_compatibilityMode; } 571 572 String compatMode() const; 573 574 bool inQuirksMode() const { return m_compatibilityMode == QuirksMode; } 575 bool inLimitedQuirksMode() const { return m_compatibilityMode == LimitedQuirksMode; } 576 bool inNoQuirksMode() const { return m_compatibilityMode == NoQuirksMode; } 577 578 enum ReadyState { 579 Loading, 580 Interactive, 581 Complete 582 }; 583 void setReadyState(ReadyState); 584 bool isLoadCompleted(); 585 586 void setParsing(bool); 587 bool parsing() const { return m_bParsing; } 588 int minimumLayoutDelay(); 589 590 bool shouldScheduleLayout(); 591 bool shouldParserYieldAgressivelyBeforeScriptExecution(); 592 int elapsedTime() const; 593 594 TextLinkColors& textLinkColors() { return m_textLinkColors; } 595 VisitedLinkState& visitedLinkState() const { return *m_visitedLinkState; } 596 597 MouseEventWithHitTestResults prepareMouseEvent(const HitTestRequest&, const LayoutPoint&, const PlatformMouseEvent&); 598 599 /* Newly proposed CSS3 mechanism for selecting alternate 600 stylesheets using the DOM. May be subject to change as 601 spec matures. - dwh 602 */ 603 String preferredStylesheetSet() const; 604 String selectedStylesheetSet() const; 605 void setSelectedStylesheetSet(const String&); 606 607 bool setFocusedElement(PassRefPtr<Element>, FocusDirection = FocusDirectionNone); 608 Element* focusedElement() const { return m_focusedElement.get(); } 609 UserActionElementSet& userActionElements() { return m_userActionElements; } 610 const UserActionElementSet& userActionElements() const { return m_userActionElements; } 611 void setNeedsFocusedElementCheck(); 612 void didRunCheckFocusedElementTask() { m_didPostCheckFocusedElementTask = false; } 613 614 void setHoverNode(PassRefPtr<Node>); 615 Node* hoverNode() const { return m_hoverNode.get(); } 616 617 void setActiveElement(PassRefPtr<Element>); 618 Element* activeElement() const { return m_activeElement.get(); } 619 620 void removeFocusedElementOfSubtree(Node*, bool amongChildrenOnly = false); 621 void hoveredNodeDetached(Node*); 622 void activeChainNodeDetached(Node*); 623 624 void updateHoverActiveState(const HitTestRequest&, Element*, const PlatformMouseEvent* = 0); 625 626 // Updates for :target (CSS3 selector). 627 void setCSSTarget(Element*); 628 Element* cssTarget() const { return m_cssTarget; } 629 630 void scheduleStyleRecalc(); 631 void unscheduleStyleRecalc(); 632 bool hasPendingStyleRecalc() const; 633 bool hasPendingForcedStyleRecalc() const; 634 void styleRecalcTimerFired(Timer<Document>*); 635 636 void registerNodeList(LiveNodeListBase*); 637 void unregisterNodeList(LiveNodeListBase*); 638 bool shouldInvalidateNodeListCaches(const QualifiedName* attrName = 0) const; 639 void invalidateNodeListCaches(const QualifiedName* attrName); 640 641 void attachNodeIterator(NodeIterator*); 642 void detachNodeIterator(NodeIterator*); 643 void moveNodeIteratorsToNewDocument(Node*, Document*); 644 645 void attachRange(Range*); 646 void detachRange(Range*); 647 648 void updateRangesAfterChildrenChanged(ContainerNode*); 649 // nodeChildrenWillBeRemoved is used when removing all node children at once. 650 void nodeChildrenWillBeRemoved(ContainerNode*); 651 // nodeWillBeRemoved is only safe when removing one node at a time. 652 void nodeWillBeRemoved(Node&); 653 bool canReplaceChild(const Node& newChild, const Node& oldChild) const; 654 655 void didInsertText(Node*, unsigned offset, unsigned length); 656 void didRemoveText(Node*, unsigned offset, unsigned length); 657 void didMergeTextNodes(Text* oldNode, unsigned offset); 658 void didSplitTextNode(Text* oldNode); 659 660 void clearDOMWindow() { m_domWindow = 0; } 661 DOMWindow* domWindow() const { return m_domWindow; } 662 663 // Helper functions for forwarding DOMWindow event related tasks to the DOMWindow if it exists. 664 void setWindowAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, DOMWrapperWorld* isolatedWorld = 0); 665 EventListener* getWindowAttributeEventListener(const AtomicString& eventType, DOMWrapperWorld* isolatedWorld); 666 667 PassRefPtr<Event> createEvent(const String& eventType, ExceptionState&); 668 669 // keep track of what types of event listeners are registered, so we don't 670 // dispatch events unnecessarily 671 enum ListenerType { 672 DOMSUBTREEMODIFIED_LISTENER = 1, 673 DOMNODEINSERTED_LISTENER = 1 << 1, 674 DOMNODEREMOVED_LISTENER = 1 << 2, 675 DOMNODEREMOVEDFROMDOCUMENT_LISTENER = 1 << 3, 676 DOMNODEINSERTEDINTODOCUMENT_LISTENER = 1 << 4, 677 DOMCHARACTERDATAMODIFIED_LISTENER = 1 << 5, 678 OVERFLOWCHANGED_LISTENER = 1 << 6, 679 ANIMATIONEND_LISTENER = 1 << 7, 680 ANIMATIONSTART_LISTENER = 1 << 8, 681 ANIMATIONITERATION_LISTENER = 1 << 9, 682 TRANSITIONEND_LISTENER = 1 << 10, 683 BEFORELOAD_LISTENER = 1 << 11, 684 SCROLL_LISTENER = 1 << 12 685 // 3 bits remaining 686 }; 687 688 bool hasListenerType(ListenerType listenerType) const { return (m_listenerTypes & listenerType); } 689 void addListenerTypeIfNeeded(const AtomicString& eventType); 690 691 bool hasMutationObserversOfType(MutationObserver::MutationType type) const 692 { 693 return m_mutationObserverTypes & type; 694 } 695 bool hasMutationObservers() const { return m_mutationObserverTypes; } 696 void addMutationObserverTypes(MutationObserverOptions types) { m_mutationObserverTypes |= types; } 697 698 CSSStyleDeclaration* getOverrideStyle(Element*, const String& pseudoElt); 699 700 /** 701 * Handles a HTTP header equivalent set by a meta tag using <meta http-equiv="..." content="...">. This is called 702 * when a meta tag is encountered during document parsing, and also when a script dynamically changes or adds a meta 703 * tag. This enables scripts to use meta tags to perform refreshes and set expiry dates in addition to them being 704 * specified in a HTML file. 705 * 706 * @param equiv The http header name (value of the meta tag's "equiv" attribute) 707 * @param content The header value (value of the meta tag's "content" attribute) 708 */ 709 void processHttpEquiv(const AtomicString& equiv, const AtomicString& content); 710 void processViewport(const String& features, ViewportDescription::Type origin); 711 void updateViewportDescription(); 712 void processReferrerPolicy(const String& policy); 713 714 // Returns the owning element in the parent document. 715 // Returns 0 if this is the top level document. 716 HTMLFrameOwnerElement* ownerElement() const; 717 718 HTMLIFrameElement* seamlessParentIFrame() const; 719 bool shouldDisplaySeamlesslyWithParent() const; 720 721 String title() const { return m_title; } 722 void setTitle(const String&); 723 724 Element* titleElement() const { return m_titleElement.get(); } 725 void setTitleElement(const String& title, Element* titleElement); 726 void removeTitle(Element* titleElement); 727 728 String cookie(ExceptionState&) const; 729 void setCookie(const String&, ExceptionState&); 730 731 const AtomicString& referrer() const; 732 733 String domain() const; 734 void setDomain(const String& newDomain, ExceptionState&); 735 736 String lastModified() const; 737 738 // The cookieURL is used to query the cookie database for this document's 739 // cookies. For example, if the cookie URL is http://example.com, we'll 740 // use the non-Secure cookies for example.com when computing 741 // document.cookie. 742 // 743 // Q: How is the cookieURL different from the document's URL? 744 // A: The two URLs are the same almost all the time. However, if one 745 // document inherits the security context of another document, it 746 // inherits its cookieURL but not its URL. 747 // 748 const KURL& cookieURL() const { return m_cookieURL; } 749 void setCookieURL(const KURL& url) { m_cookieURL = url; } 750 751 const KURL& firstPartyForCookies() const; 752 753 // The following implements the rule from HTML 4 for what valid names are. 754 // To get this right for all the XML cases, we probably have to improve this or move it 755 // and make it sensitive to the type of document. 756 static bool isValidName(const String&); 757 758 // The following breaks a qualified name into a prefix and a local name. 759 // It also does a validity check, and returns false if the qualified name 760 // is invalid. It also sets ExceptionCode when name is invalid. 761 static bool parseQualifiedName(const AtomicString& qualifiedName, AtomicString& prefix, AtomicString& localName, ExceptionState&); 762 763 // Checks to make sure prefix and namespace do not conflict (per DOM Core 3) 764 static bool hasValidNamespaceForElements(const QualifiedName&); 765 static bool hasValidNamespaceForAttributes(const QualifiedName&); 766 767 HTMLElement* body() const; 768 void setBody(PassRefPtr<HTMLElement>, ExceptionState&); 769 770 HTMLHeadElement* head(); 771 772 DocumentMarkerController* markers() const { return m_markers.get(); } 773 774 bool directionSetOnDocumentElement() const { return m_directionSetOnDocumentElement; } 775 bool writingModeSetOnDocumentElement() const { return m_writingModeSetOnDocumentElement; } 776 void setDirectionSetOnDocumentElement(bool b) { m_directionSetOnDocumentElement = b; } 777 void setWritingModeSetOnDocumentElement(bool b) { m_writingModeSetOnDocumentElement = b; } 778 779 bool execCommand(const String& command, bool userInterface = false, const String& value = String()); 780 bool queryCommandEnabled(const String& command); 781 bool queryCommandIndeterm(const String& command); 782 bool queryCommandState(const String& command); 783 bool queryCommandSupported(const String& command); 784 String queryCommandValue(const String& command); 785 786 KURL openSearchDescriptionURL(); 787 788 // designMode support 789 enum InheritedBool { off = false, on = true, inherit }; 790 void setDesignMode(InheritedBool value); 791 InheritedBool getDesignMode() const; 792 bool inDesignMode() const; 793 794 Document* parentDocument() const; 795 Document* topDocument() const; 796 WeakPtr<Document> contextDocument(); 797 798 ScriptRunner* scriptRunner() { return m_scriptRunner.get(); } 799 800 HTMLScriptElement* currentScript() const { return !m_currentScriptStack.isEmpty() ? m_currentScriptStack.last().get() : 0; } 801 void pushCurrentScript(PassRefPtr<HTMLScriptElement>); 802 void popCurrentScript(); 803 804 void applyXSLTransform(ProcessingInstruction* pi); 805 PassRefPtr<Document> transformSourceDocument() { return m_transformSourceDocument; } 806 void setTransformSourceDocument(Document* doc) { m_transformSourceDocument = doc; } 807 808 void setTransformSource(PassOwnPtr<TransformSource>); 809 TransformSource* transformSource() const { return m_transformSource.get(); } 810 811 void incDOMTreeVersion() { m_domTreeVersion = ++s_globalTreeVersion; } 812 uint64_t domTreeVersion() const { return m_domTreeVersion; } 813 814 enum PendingSheetLayout { NoLayoutWithPendingSheets, DidLayoutWithPendingSheets, IgnoreLayoutWithPendingSheets }; 815 816 bool didLayoutWithPendingStylesheets() const { return m_pendingSheetLayout == DidLayoutWithPendingSheets; } 817 818 bool hasNodesWithPlaceholderStyle() const { return m_hasNodesWithPlaceholderStyle; } 819 void setHasNodesWithPlaceholderStyle() { m_hasNodesWithPlaceholderStyle = true; } 820 821 Vector<IconURL> iconURLs(int iconTypesMask); 822 823 void setUseSecureKeyboardEntryWhenActive(bool); 824 bool useSecureKeyboardEntryWhenActive() const; 825 826 void updateFocusAppearanceSoon(bool restorePreviousSelection); 827 void cancelFocusAppearanceUpdate(); 828 829 // Extension for manipulating canvas drawing contexts for use in CSS 830 CanvasRenderingContext* getCSSCanvasContext(const String& type, const String& name, int width, int height); 831 HTMLCanvasElement* getCSSCanvasElement(const String& name); 832 833 bool isDNSPrefetchEnabled() const { return m_isDNSPrefetchEnabled; } 834 void parseDNSPrefetchControlHeader(const String&); 835 836 // FIXME(crbug.com/305497): This should be removed once DOMWindow is an ExecutionContext. 837 virtual void postTask(PassOwnPtr<ExecutionContextTask>) OVERRIDE; // Executes the task on context's thread asynchronously. 838 839 virtual void tasksWereSuspended() OVERRIDE; 840 virtual void tasksWereResumed() OVERRIDE; 841 virtual void suspendScheduledTasks() OVERRIDE; 842 virtual void resumeScheduledTasks() OVERRIDE; 843 virtual bool tasksNeedSuspension() OVERRIDE; 844 845 void finishedParsing(); 846 847 void setEncodingData(const DocumentEncodingData& newData); 848 const WTF::TextEncoding& encoding() const { return m_encodingData.encoding; } 849 850 bool encodingWasDetectedHeuristically() const { return m_encodingData.wasDetectedHeuristically; } 851 bool sawDecodingError() const { return m_encodingData.sawDecodingError; } 852 853 void setAnnotatedRegionsDirty(bool f) { m_annotatedRegionsDirty = f; } 854 bool annotatedRegionsDirty() const { return m_annotatedRegionsDirty; } 855 bool hasAnnotatedRegions () const { return m_hasAnnotatedRegions; } 856 void setHasAnnotatedRegions(bool f) { m_hasAnnotatedRegions = f; } 857 const Vector<AnnotatedRegionValue>& annotatedRegions() const; 858 void setAnnotatedRegions(const Vector<AnnotatedRegionValue>&); 859 860 virtual void removeAllEventListeners(); 861 862 const SVGDocumentExtensions* svgExtensions(); 863 SVGDocumentExtensions* accessSVGExtensions(); 864 865 void initSecurityContext(); 866 void initSecurityContext(const DocumentInit&); 867 void initContentSecurityPolicy(const ContentSecurityPolicyResponseHeaders&); 868 869 bool allowInlineEventHandlers(Node*, EventListener*, const String& contextURL, const WTF::OrdinalNumber& contextLine); 870 bool allowExecutingScripts(Node*); 871 872 void statePopped(PassRefPtr<SerializedScriptValue>); 873 874 enum LoadEventProgress { 875 LoadEventNotRun, 876 LoadEventTried, 877 LoadEventInProgress, 878 LoadEventCompleted, 879 BeforeUnloadEventInProgress, 880 BeforeUnloadEventCompleted, 881 PageHideInProgress, 882 UnloadEventInProgress, 883 UnloadEventHandled 884 }; 885 bool loadEventStillNeeded() const { return m_loadEventProgress == LoadEventNotRun; } 886 bool processingLoadEvent() const { return m_loadEventProgress == LoadEventInProgress; } 887 bool loadEventFinished() const { return m_loadEventProgress >= LoadEventCompleted; } 888 889 void setContainsPlugins() { m_containsPlugins = true; } 890 bool containsPlugins() const { return m_containsPlugins; } 891 892 virtual bool isContextThread() const; 893 virtual bool isJSExecutionForbidden() const { return false; } 894 895 bool containsValidityStyleRules() const { return m_containsValidityStyleRules; } 896 void setContainsValidityStyleRules() { m_containsValidityStyleRules = true; } 897 898 void enqueueResizeEvent(); 899 void enqueueScrollEventForNode(Node*); 900 void enqueueAnimationFrameEvent(PassRefPtr<Event>); 901 902 const QualifiedName& idAttributeName() const { return m_idAttributeName; } 903 904 bool hasFullscreenElementStack() const { return m_hasFullscreenElementStack; } 905 void setHasFullscreenElementStack() { m_hasFullscreenElementStack = true; } 906 907 void webkitExitPointerLock(); 908 Element* webkitPointerLockElement() const; 909 910 // Used to allow element that loads data without going through a FrameLoader to delay the 'load' event. 911 void incrementLoadEventDelayCount() { ++m_loadEventDelayCount; } 912 void decrementLoadEventDelayCount(); 913 bool isDelayingLoadEvent() const { return m_loadEventDelayCount; } 914 915 PassRefPtr<Touch> createTouch(DOMWindow*, EventTarget*, int identifier, int pageX, int pageY, int screenX, int screenY, int radiusX, int radiusY, float rotationAngle, float force) const; 916 PassRefPtr<TouchList> createTouchList(Vector<RefPtr<Touch> >&) const; 917 918 const DocumentTiming* timing() const { return &m_documentTiming; } 919 920 int requestAnimationFrame(PassOwnPtr<RequestAnimationFrameCallback>); 921 void cancelAnimationFrame(int id); 922 void serviceScriptedAnimations(double monotonicAnimationStartTime); 923 924 virtual EventTarget* errorEventTarget(); 925 virtual void logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtr<ScriptCallStack>); 926 927 void initDNSPrefetch(); 928 929 double lastHandledUserGestureTimestamp() const { return m_lastHandledUserGestureTimestamp; } 930 void resetLastHandledUserGestureTimestamp(); 931 932 bool hasTouchEventHandlers() const { return (m_touchEventTargets.get()) ? m_touchEventTargets->size() : false; } 933 934 void didAddTouchEventHandler(Node*); 935 void didRemoveTouchEventHandler(Node*); 936 937 void didRemoveEventTargetNode(Node*); 938 939 const TouchEventTargetSet* touchEventTargets() const { return m_touchEventTargets.get(); } 940 941 bool isInDocumentWrite() { return m_writeRecursionDepth > 0; } 942 943 IntSize initialViewportSize() const; 944 945 // There are currently two parallel autosizing implementations: TextAutosizer and FastTextAutosizer. 946 // See http://tinyurl.com/chromium-fast-autosizer for more details. 947 TextAutosizer* textAutosizer(); 948 FastTextAutosizer* fastTextAutosizer(); 949 950 PassRefPtr<Element> createElement(const AtomicString& localName, const AtomicString& typeExtension, ExceptionState&); 951 PassRefPtr<Element> createElementNS(const AtomicString& namespaceURI, const AtomicString& qualifiedName, const AtomicString& typeExtension, ExceptionState&); 952 ScriptValue registerElement(WebCore::ScriptState*, const AtomicString& name, ExceptionState&); 953 ScriptValue registerElement(WebCore::ScriptState*, const AtomicString& name, const Dictionary& options, ExceptionState&, CustomElement::NameSet validNames = CustomElement::StandardNames); 954 CustomElementRegistrationContext* registrationContext() { return m_registrationContext.get(); } 955 956 void setImport(HTMLImport*); 957 HTMLImport* import() const { return m_import; } 958 bool haveImportsLoaded() const; 959 void didLoadAllImports(); 960 961 void adjustFloatQuadsForScrollAndAbsoluteZoom(Vector<FloatQuad>&, RenderObject&); 962 void adjustFloatRectForScrollAndAbsoluteZoom(FloatRect&, RenderObject&); 963 964 bool hasActiveParser(); 965 unsigned activeParserCount() { return m_activeParserCount; } 966 void incrementActiveParserCount() { ++m_activeParserCount; } 967 void decrementActiveParserCount(); 968 969 void setContextFeatures(PassRefPtr<ContextFeatures>); 970 ContextFeatures* contextFeatures() const { return m_contextFeatures.get(); } 971 972 DocumentSharedObjectPool* sharedObjectPool() { return m_sharedObjectPool.get(); } 973 974 void didRemoveAllPendingStylesheet(); 975 void setNeedsNotifyRemoveAllPendingStylesheet() { m_needsNotifyRemoveAllPendingStylesheet = true; } 976 void clearStyleResolver(); 977 void notifySeamlessChildDocumentsOfStylesheetUpdate() const; 978 979 bool inStyleRecalc() { return m_inStyleRecalc; } 980 981 // Return a Locale for the default locale if the argument is null or empty. 982 Locale& getCachedLocale(const AtomicString& locale = nullAtom); 983 984 AnimationClock& animationClock() { return *m_animationClock; } 985 DocumentTimeline* timeline() const { return m_timeline.get(); } 986 DocumentTimeline* transitionTimeline() const { return m_transitionTimeline.get(); } 987 CSSPendingAnimations& cssPendingAnimations() { return m_cssPendingAnimations; } 988 989 void addToTopLayer(Element*, const Element* before = 0); 990 void removeFromTopLayer(Element*); 991 const Vector<RefPtr<Element> >& topLayerElements() const { return m_topLayerElements; } 992 HTMLDialogElement* activeModalDialog() const; 993 994 const Document* templateDocument() const; 995 Document& ensureTemplateDocument(); 996 void setTemplateDocumentHost(Document* templateDocumentHost) { m_templateDocumentHost = templateDocumentHost; } 997 Document* templateDocumentHost() { return m_templateDocumentHost; } 998 999 void didAssociateFormControl(Element*); 1000 1001 void addConsoleMessageWithRequestIdentifier(MessageSource, MessageLevel, const String& message, unsigned long requestIdentifier); 1002 1003 virtual DOMWindow* executingWindow() OVERRIDE { return domWindow(); } 1004 virtual void userEventWasHandled() OVERRIDE { resetLastHandledUserGestureTimestamp(); } 1005 1006 DocumentLifecycleNotifier& lifecycleNotifier(); 1007 bool isActive() const { return m_lifecyle.state() == DocumentLifecycle::Active; } 1008 bool isStopped() const { return m_lifecyle.state() == DocumentLifecycle::Stopped; } 1009 1010 enum HttpRefreshType { 1011 HttpRefreshFromHeader, 1012 HttpRefreshFromMetaTag 1013 }; 1014 void maybeHandleHttpRefresh(const String&, HttpRefreshType); 1015 1016 void updateSecurityOrigin(PassRefPtr<SecurityOrigin>); 1017 PassOwnPtr<LifecycleNotifier<Document> > createLifecycleNotifier(); 1018 1019 protected: 1020 Document(const DocumentInit&, DocumentClassFlags = DefaultDocumentClass); 1021 1022 virtual void didUpdateSecurityOrigin() OVERRIDE; 1023 1024 void clearXMLVersion() { m_xmlVersion = String(); } 1025 1026 virtual void dispose() OVERRIDE; 1027 1028 virtual PassRefPtr<Document> cloneDocumentWithoutChildren(); 1029 1030 private: 1031 friend class Node; 1032 friend class IgnoreDestructiveWriteCountIncrementer; 1033 1034 ScriptedAnimationController& ensureScriptedAnimationController(); 1035 virtual SecurityContext& securityContext() OVERRIDE { return *this; } 1036 virtual EventQueue* eventQueue() const FINAL; 1037 1038 void updateDistributionIfNeeded(); 1039 1040 void detachParser(); 1041 1042 virtual bool isDocument() const OVERRIDE { return true; } 1043 1044 virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0); 1045 1046 virtual String nodeName() const; 1047 virtual NodeType nodeType() const; 1048 virtual bool childTypeAllowed(NodeType) const; 1049 virtual PassRefPtr<Node> cloneNode(bool deep = true); 1050 void cloneDataFromDocument(const Document&); 1051 1052 virtual void refExecutionContext() { ref(); } 1053 virtual void derefExecutionContext() { deref(); } 1054 1055 virtual const KURL& virtualURL() const; // Same as url(), but needed for ExecutionContext to implement it without a performance loss for direct calls. 1056 virtual KURL virtualCompleteURL(const String&) const; // Same as completeURL() for the same reason as above. 1057 1058 virtual void reportBlockedScriptExecutionToInspector(const String& directiveText) OVERRIDE; 1059 virtual void addMessage(MessageSource, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, ScriptState*); 1060 void internalAddMessage(MessageSource, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, PassRefPtr<ScriptCallStack>, ScriptState*); 1061 1062 virtual double timerAlignmentInterval() const; 1063 1064 void updateTitle(const String&); 1065 void updateFocusAppearanceTimerFired(Timer<Document>*); 1066 void updateBaseURL(); 1067 1068 void executeScriptsWaitingForResourcesIfNeeded(); 1069 1070 void seamlessParentUpdatedStylesheets(); 1071 1072 void recalcStyleForLayoutIgnoringPendingStylesheets(); 1073 1074 PassRefPtr<NodeList> handleZeroPadding(const HitTestRequest&, HitTestResult&) const; 1075 1076 void loadEventDelayTimerFired(Timer<Document>*); 1077 1078 PageVisibilityState pageVisibilityState() const; 1079 1080 PassRefPtr<HTMLCollection> ensureCachedCollection(CollectionType); 1081 1082 // Note that dispatching a window load event may cause the DOMWindow to be detached from 1083 // the Frame, so callers should take a reference to the DOMWindow (which owns us) to 1084 // prevent the Document from getting blown away from underneath them. 1085 void dispatchWindowLoadEvent(); 1086 1087 void addListenerType(ListenerType listenerType) { m_listenerTypes |= listenerType; } 1088 void addMutationEventListenerTypeIfEnabled(ListenerType); 1089 1090 void didAssociateFormControlsTimerFired(Timer<Document>*); 1091 void styleResolverThrowawayTimerFired(Timer<Document>*); 1092 1093 void processHttpEquivDefaultStyle(const AtomicString& content); 1094 void processHttpEquivRefresh(const AtomicString& content); 1095 void processHttpEquivSetCookie(const AtomicString& content); 1096 void processHttpEquivXFrameOptions(const AtomicString& content); 1097 void processHttpEquivContentSecurityPolicy(const AtomicString& equiv, const AtomicString& content); 1098 1099 DocumentLifecycle m_lifecyle; 1100 1101 bool m_hasNodesWithPlaceholderStyle; 1102 bool m_needsNotifyRemoveAllPendingStylesheet; 1103 bool m_evaluateMediaQueriesOnStyleRecalc; 1104 1105 // If we do ignore the pending stylesheet count, then we need to add a boolean 1106 // to track that this happened so that we can do a full repaint when the stylesheets 1107 // do eventually load. 1108 PendingSheetLayout m_pendingSheetLayout; 1109 1110 Frame* m_frame; 1111 DOMWindow* m_domWindow; 1112 HTMLImport* m_import; 1113 1114 RefPtr<ResourceFetcher> m_fetcher; 1115 RefPtr<DocumentParser> m_parser; 1116 unsigned m_activeParserCount; 1117 RefPtr<ContextFeatures> m_contextFeatures; 1118 1119 bool m_wellFormed; 1120 1121 // Document URLs. 1122 KURL m_url; // Document.URL: The URL from which this document was retrieved. 1123 KURL m_baseURL; // Node.baseURI: The URL to use when resolving relative URLs. 1124 KURL m_baseURLOverride; // An alternative base URL that takes precedence over m_baseURL (but not m_baseElementURL). 1125 KURL m_baseElementURL; // The URL set by the <base> element. 1126 KURL m_cookieURL; // The URL to use for cookie access. 1127 1128 // Document.documentURI: 1129 // Although URL-like, Document.documentURI can actually be set to any 1130 // string by content. Document.documentURI affects m_baseURL unless the 1131 // document contains a <base> element, in which case the <base> element 1132 // takes precedence. 1133 String m_documentURI; 1134 1135 String m_baseTarget; 1136 1137 RefPtr<DocumentType> m_docType; 1138 OwnPtr<DOMImplementation> m_implementation; 1139 1140 RefPtr<CSSStyleSheet> m_elemSheet; 1141 1142 bool m_printing; 1143 bool m_paginatedForScreen; 1144 1145 CompatibilityMode m_compatibilityMode; 1146 bool m_compatibilityModeLocked; // This is cheaper than making setCompatibilityMode virtual. 1147 1148 bool m_didPostCheckFocusedElementTask; 1149 RefPtr<Element> m_focusedElement; 1150 RefPtr<Node> m_hoverNode; 1151 RefPtr<Element> m_activeElement; 1152 RefPtr<Element> m_documentElement; 1153 UserActionElementSet m_userActionElements; 1154 1155 uint64_t m_domTreeVersion; 1156 static uint64_t s_globalTreeVersion; 1157 1158 HashSet<NodeIterator*> m_nodeIterators; 1159 HashSet<Range*> m_ranges; 1160 1161 unsigned short m_listenerTypes; 1162 1163 MutationObserverOptions m_mutationObserverTypes; 1164 1165 OwnPtr<StyleEngine> m_styleEngine; 1166 RefPtr<StyleSheetList> m_styleSheetList; 1167 1168 OwnPtr<FormController> m_formController; 1169 1170 TextLinkColors m_textLinkColors; 1171 const OwnPtr<VisitedLinkState> m_visitedLinkState; 1172 1173 bool m_loadingSheet; 1174 bool m_visuallyOrdered; 1175 ReadyState m_readyState; 1176 bool m_bParsing; 1177 1178 Timer<Document> m_styleRecalcTimer; 1179 bool m_inStyleRecalc; 1180 1181 bool m_gotoAnchorNeededAfterStylesheetsLoad; 1182 bool m_isDNSPrefetchEnabled; 1183 bool m_haveExplicitlyDisabledDNSPrefetch; 1184 bool m_containsValidityStyleRules; 1185 bool m_updateFocusAppearanceRestoresSelection; 1186 bool m_containsPlugins; 1187 1188 // http://www.whatwg.org/specs/web-apps/current-work/#ignore-destructive-writes-counter 1189 unsigned m_ignoreDestructiveWriteCount; 1190 1191 String m_title; 1192 String m_rawTitle; 1193 bool m_titleSetExplicitly; 1194 RefPtr<Element> m_titleElement; 1195 1196 OwnPtr<AXObjectCache> m_axObjectCache; 1197 OwnPtr<DocumentMarkerController> m_markers; 1198 1199 Timer<Document> m_updateFocusAppearanceTimer; 1200 1201 Element* m_cssTarget; 1202 1203 LoadEventProgress m_loadEventProgress; 1204 1205 double m_startTime; 1206 bool m_overMinimumLayoutThreshold; 1207 1208 OwnPtr<ScriptRunner> m_scriptRunner; 1209 1210 Vector<RefPtr<HTMLScriptElement> > m_currentScriptStack; 1211 1212 OwnPtr<TransformSource> m_transformSource; 1213 RefPtr<Document> m_transformSourceDocument; 1214 1215 String m_xmlEncoding; 1216 String m_xmlVersion; 1217 unsigned m_xmlStandalone : 2; 1218 unsigned m_hasXMLDeclaration : 1; 1219 1220 AtomicString m_contentLanguage; 1221 1222 DocumentEncodingData m_encodingData; 1223 1224 InheritedBool m_designMode; 1225 1226 HashSet<LiveNodeListBase*> m_listsInvalidatedAtDocument; 1227 unsigned m_nodeListCounts[numNodeListInvalidationTypes]; 1228 1229 OwnPtr<SVGDocumentExtensions> m_svgExtensions; 1230 1231 Vector<AnnotatedRegionValue> m_annotatedRegions; 1232 bool m_hasAnnotatedRegions; 1233 bool m_annotatedRegionsDirty; 1234 1235 HashMap<String, RefPtr<HTMLCanvasElement> > m_cssCanvasElements; 1236 1237 OwnPtr<SelectorQueryCache> m_selectorQueryCache; 1238 1239 bool m_useSecureKeyboardEntryWhenActive; 1240 1241 DocumentClassFlags m_documentClasses; 1242 1243 bool m_isViewSource; 1244 bool m_sawElementsInKnownNamespaces; 1245 bool m_isSrcdocDocument; 1246 bool m_isMobileDocument; 1247 // Set in Document::initSecurityContext() at Document creation, per: 1248 // http://www.whatwg.org/specs/web-apps/current-work/#attr-iframe-seamless 1249 bool m_mayDisplaySeamlesslyWithParent; 1250 1251 RenderView* m_renderView; 1252 1253 WeakPtrFactory<Document> m_weakFactory; 1254 WeakPtr<Document> m_contextDocument; 1255 1256 QualifiedName m_idAttributeName; 1257 1258 bool m_hasFullscreenElementStack; // For early return in FullscreenElementStack::fromIfExists() 1259 1260 Vector<RefPtr<Element> > m_topLayerElements; 1261 1262 int m_loadEventDelayCount; 1263 Timer<Document> m_loadEventDelayTimer; 1264 1265 ViewportDescription m_viewportDescription; 1266 ViewportDescription m_legacyViewportDescription; 1267 1268 ReferrerPolicy m_referrerPolicy; 1269 1270 bool m_directionSetOnDocumentElement; 1271 bool m_writingModeSetOnDocumentElement; 1272 DocumentTiming m_documentTiming; 1273 RefPtr<MediaQueryMatcher> m_mediaQueryMatcher; 1274 bool m_writeRecursionIsTooDeep; 1275 unsigned m_writeRecursionDepth; 1276 1277 OwnPtr<TouchEventTargetSet> m_touchEventTargets; 1278 1279 double m_lastHandledUserGestureTimestamp; 1280 1281 RefPtr<ScriptedAnimationController> m_scriptedAnimationController; 1282 OwnPtr<MainThreadTaskRunner> m_taskRunner; 1283 OwnPtr<TextAutosizer> m_textAutosizer; 1284 OwnPtr<FastTextAutosizer> m_fastTextAutosizer; 1285 1286 RefPtr<CustomElementRegistrationContext> m_registrationContext; 1287 1288 RefPtr<NamedFlowCollection> m_namedFlows; 1289 1290 RefPtr<DOMSecurityPolicy> m_domSecurityPolicy; 1291 1292 void sharedObjectPoolClearTimerFired(Timer<Document>*); 1293 Timer<Document> m_sharedObjectPoolClearTimer; 1294 1295 OwnPtr<DocumentSharedObjectPool> m_sharedObjectPool; 1296 1297 #ifndef NDEBUG 1298 bool m_didDispatchViewportPropertiesChanged; 1299 #endif 1300 1301 typedef HashMap<AtomicString, OwnPtr<Locale> > LocaleIdentifierToLocaleMap; 1302 LocaleIdentifierToLocaleMap m_localeCache; 1303 1304 OwnPtr<AnimationClock> m_animationClock; 1305 RefPtr<DocumentTimeline> m_timeline; 1306 RefPtr<DocumentTimeline> m_transitionTimeline; 1307 CSSPendingAnimations m_cssPendingAnimations; 1308 1309 RefPtr<Document> m_templateDocument; 1310 Document* m_templateDocumentHost; // Manually managed weakref (backpointer from m_templateDocument). 1311 1312 Timer<Document> m_didAssociateFormControlsTimer; 1313 HashSet<RefPtr<Element> > m_associatedFormControls; 1314 }; 1315 1316 inline void Document::notifyRemovePendingSheetIfNeeded() 1317 { 1318 if (m_needsNotifyRemoveAllPendingStylesheet) 1319 didRemoveAllPendingStylesheet(); 1320 } 1321 1322 inline const Document* Document::templateDocument() const 1323 { 1324 // If DOCUMENT does not have a browsing context, Let TEMPLATE CONTENTS OWNER be DOCUMENT and abort these steps. 1325 if (!m_frame) 1326 return this; 1327 1328 return m_templateDocument.get(); 1329 } 1330 1331 inline bool Document::shouldOverrideLegacyDescription(ViewportDescription::Type origin) 1332 { 1333 // The different (legacy) meta tags have different priorities based on the type 1334 // regardless of which order they appear in the DOM. The priority is given by the 1335 // ViewportDescription::Type enum. 1336 return origin >= m_legacyViewportDescription.type; 1337 } 1338 1339 inline Document* toDocument(ExecutionContext* executionContext) 1340 { 1341 ASSERT_WITH_SECURITY_IMPLICATION(!executionContext || executionContext->isDocument()); 1342 return static_cast<Document*>(executionContext); 1343 } 1344 1345 inline const Document* toDocument(const ExecutionContext* executionContext) 1346 { 1347 ASSERT_WITH_SECURITY_IMPLICATION(!executionContext || executionContext->isDocument()); 1348 return static_cast<const Document*>(executionContext); 1349 } 1350 1351 DEFINE_NODE_TYPE_CASTS(Document, isDocumentNode()); 1352 1353 #define DEFINE_DOCUMENT_TYPE_CASTS(thisType) \ 1354 DEFINE_TYPE_CASTS(thisType, Document, document, document->is##thisType(), document.is##thisType()) 1355 1356 // All these varations are needed to avoid ambiguous overloads with the Node and TreeScope versions. 1357 inline bool operator==(const Document& a, const Document& b) { return &a == &b; } 1358 inline bool operator==(const Document& a, const Document* b) { return &a == b; } 1359 inline bool operator==(const Document* a, const Document& b) { return a == &b; } 1360 inline bool operator!=(const Document& a, const Document& b) { return !(a == b); } 1361 inline bool operator!=(const Document& a, const Document* b) { return !(a == b); } 1362 inline bool operator!=(const Document* a, const Document& b) { return !(a == b); } 1363 1364 // Put these methods here, because they require the Document definition, but we really want to inline them. 1365 1366 inline bool Node::isDocumentNode() const 1367 { 1368 return this == documentInternal(); 1369 } 1370 1371 Node* eventTargetNodeForDocument(Document*); 1372 1373 } // namespace WebCore 1374 1375 #endif // Document_h 1376
