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Side by Side Diff: Source/core/dom/Element.h

Issue 166163005: [SVG2] Add tabindex handling in svg. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: rebase Created 6 years, 7 months ago
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1 /* 1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) 3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Peter Kelly (pmk@post.com) 4 * (C) 2001 Peter Kelly (pmk@post.com)
5 * (C) 2001 Dirk Mueller (mueller@kde.org) 5 * (C) 2001 Dirk Mueller (mueller@kde.org)
6 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013 Appl e Inc. All rights reserved. 6 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013 Appl e Inc. All rights reserved.
7 * 7 *
8 * This library is free software; you can redistribute it and/or 8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public 9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either 10 * License as published by the Free Software Foundation; either
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284 // For exposing to DOM only. 284 // For exposing to DOM only.
285 NamedNodeMap* attributes() const; 285 NamedNodeMap* attributes() const;
286 286
287 enum AttributeModificationReason { 287 enum AttributeModificationReason {
288 ModifiedDirectly, 288 ModifiedDirectly,
289 ModifiedByCloning 289 ModifiedByCloning
290 }; 290 };
291 291
292 // This method is called whenever an attribute is added, changed or removed. 292 // This method is called whenever an attribute is added, changed or removed.
293 virtual void attributeChanged(const QualifiedName&, const AtomicString&, Att ributeModificationReason = ModifiedDirectly); 293 virtual void attributeChanged(const QualifiedName&, const AtomicString&, Att ributeModificationReason = ModifiedDirectly);
294 virtual void parseAttribute(const QualifiedName&, const AtomicString&) { } 294 virtual void parseAttribute(const QualifiedName&, const AtomicString&);
295 295
296 virtual bool hasLegalLinkAttribute(const QualifiedName&) const; 296 virtual bool hasLegalLinkAttribute(const QualifiedName&) const;
297 virtual const QualifiedName& subResourceAttributeName() const; 297 virtual const QualifiedName& subResourceAttributeName() const;
298 298
299 // Only called by the parser immediately after element construction. 299 // Only called by the parser immediately after element construction.
300 void parserSetAttributes(const Vector<Attribute>&); 300 void parserSetAttributes(const Vector<Attribute>&);
301 301
302 // Remove attributes that might introduce scripting from the vector leaving the element unchanged. 302 // Remove attributes that might introduce scripting from the vector leaving the element unchanged.
303 void stripScriptingAttributes(Vector<Attribute>&) const; 303 void stripScriptingAttributes(Vector<Attribute>&) const;
304 304
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367 virtual const AtomicString imageSourceURL() const; 367 virtual const AtomicString imageSourceURL() const;
368 virtual Image* imageContents() { return 0; } 368 virtual Image* imageContents() { return 0; }
369 369
370 virtual void focus(bool restorePreviousSelection = true, FocusType = FocusTy peNone); 370 virtual void focus(bool restorePreviousSelection = true, FocusType = FocusTy peNone);
371 virtual void updateFocusAppearance(bool restorePreviousSelection); 371 virtual void updateFocusAppearance(bool restorePreviousSelection);
372 virtual void blur(); 372 virtual void blur();
373 // Whether this element can receive focus at all. Most elements are not 373 // Whether this element can receive focus at all. Most elements are not
374 // focusable but some elements, such as form controls and links, are. Unlike 374 // focusable but some elements, such as form controls and links, are. Unlike
375 // rendererIsFocusable(), this method may be called when layout is not up to 375 // rendererIsFocusable(), this method may be called when layout is not up to
376 // date, so it must not use the renderer to determine focusability. 376 // date, so it must not use the renderer to determine focusability.
377 virtual bool supportsFocus() const { return hasElementFlag(TabIndexWasSetExp licitly); } 377 virtual bool supportsFocus() const;
378 // Whether the node can actually be focused. 378 // Whether the node can actually be focused.
379 bool isFocusable() const; 379 bool isFocusable() const;
380 virtual bool isKeyboardFocusable() const; 380 virtual bool isKeyboardFocusable() const;
381 virtual bool isMouseFocusable() const; 381 virtual bool isMouseFocusable() const;
382 virtual void dispatchFocusEvent(Element* oldFocusedElement, FocusType); 382 virtual void dispatchFocusEvent(Element* oldFocusedElement, FocusType);
383 virtual void dispatchBlurEvent(Element* newFocusedElement); 383 virtual void dispatchBlurEvent(Element* newFocusedElement);
384 void dispatchFocusInEvent(const AtomicString& eventType, Element* oldFocused Element); 384 void dispatchFocusInEvent(const AtomicString& eventType, Element* oldFocused Element);
385 void dispatchFocusOutEvent(const AtomicString& eventType, Element* newFocuse dElement); 385 void dispatchFocusOutEvent(const AtomicString& eventType, Element* newFocuse dElement);
386 386
387 String innerText(); 387 String innerText();
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503 InputMethodContext& inputMethodContext(); 503 InputMethodContext& inputMethodContext();
504 bool hasInputMethodContext() const; 504 bool hasInputMethodContext() const;
505 505
506 void setPrefix(const AtomicString&, ExceptionState&); 506 void setPrefix(const AtomicString&, ExceptionState&);
507 507
508 void synchronizeAttribute(const AtomicString& localName) const; 508 void synchronizeAttribute(const AtomicString& localName) const;
509 509
510 MutableStylePropertySet& ensureMutableInlineStyle(); 510 MutableStylePropertySet& ensureMutableInlineStyle();
511 void clearMutableInlineStyleIfEmpty(); 511 void clearMutableInlineStyleIfEmpty();
512 512
513 void setTabIndex(int);
514 virtual short tabIndex() const OVERRIDE;
515
513 protected: 516 protected:
514 Element(const QualifiedName& tagName, Document* document, ConstructionType t ype) 517 Element(const QualifiedName& tagName, Document* document, ConstructionType t ype)
515 : ContainerNode(document, type) 518 : ContainerNode(document, type)
516 , m_tagName(tagName) 519 , m_tagName(tagName)
517 { 520 {
518 ScriptWrappable::init(this); 521 ScriptWrappable::init(this);
519 } 522 }
520 523
521 void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPr opertyID, CSSValueID identifier); 524 void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPr opertyID, CSSValueID identifier);
522 void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPr opertyID, double value, CSSPrimitiveValue::UnitTypes); 525 void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPr opertyID, double value, CSSPrimitiveValue::UnitTypes);
523 void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPr opertyID, const String& value); 526 void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPr opertyID, const String& value);
524 527
525 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 528 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
526 virtual void removedFrom(ContainerNode*) OVERRIDE; 529 virtual void removedFrom(ContainerNode*) OVERRIDE;
527 virtual void childrenChanged(bool changedByParser = false, Node* beforeChang e = 0, Node* afterChange = 0, int childCountDelta = 0) OVERRIDE; 530 virtual void childrenChanged(bool changedByParser = false, Node* beforeChang e = 0, Node* afterChange = 0, int childCountDelta = 0) OVERRIDE;
528 531
529 virtual void willRecalcStyle(StyleRecalcChange); 532 virtual void willRecalcStyle(StyleRecalcChange);
530 virtual void didRecalcStyle(StyleRecalcChange); 533 virtual void didRecalcStyle(StyleRecalcChange);
531 virtual PassRefPtr<RenderStyle> customStyleForRenderer(); 534 virtual PassRefPtr<RenderStyle> customStyleForRenderer();
532 535
533 virtual bool shouldRegisterAsNamedItem() const { return false; } 536 virtual bool shouldRegisterAsNamedItem() const { return false; }
534 virtual bool shouldRegisterAsExtraNamedItem() const { return false; } 537 virtual bool shouldRegisterAsExtraNamedItem() const { return false; }
535 538
539 virtual bool supportsSpatialNavigationFocus() const;
540
536 void clearTabIndexExplicitlyIfNeeded(); 541 void clearTabIndexExplicitlyIfNeeded();
537 void setTabIndexExplicitly(short); 542 void setTabIndexExplicitly(short);
538 virtual short tabIndex() const OVERRIDE;
539 // Subclasses may override this method to affect focusability. Unlike 543 // Subclasses may override this method to affect focusability. Unlike
540 // supportsFocus, this method must be called on an up-to-date layout, so it 544 // supportsFocus, this method must be called on an up-to-date layout, so it
541 // may use the renderer to reason about focusability. This method cannot be 545 // may use the renderer to reason about focusability. This method cannot be
542 // moved to RenderObject because some focusable nodes don't have renderers, 546 // moved to RenderObject because some focusable nodes don't have renderers,
543 // e.g., HTMLOptionElement. 547 // e.g., HTMLOptionElement.
544 virtual bool rendererIsFocusable() const; 548 virtual bool rendererIsFocusable() const;
545 PassRefPtr<HTMLCollection> ensureCachedHTMLCollection(CollectionType); 549 PassRefPtr<HTMLCollection> ensureCachedHTMLCollection(CollectionType);
546 HTMLCollection* cachedHTMLCollection(CollectionType); 550 HTMLCollection* cachedHTMLCollection(CollectionType);
547 551
548 // classAttributeChanged() exists to share code between 552 // classAttributeChanged() exists to share code between
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875 template <> inline bool isElementOfType<const thisType>(const Element& eleme nt) { return element.predicate; } \ 879 template <> inline bool isElementOfType<const thisType>(const Element& eleme nt) { return element.predicate; } \
876 DEFINE_NODE_TYPE_CASTS(thisType, predicate) 880 DEFINE_NODE_TYPE_CASTS(thisType, predicate)
877 881
878 #define DEFINE_ELEMENT_TYPE_CASTS_WITH_FUNCTION(thisType) \ 882 #define DEFINE_ELEMENT_TYPE_CASTS_WITH_FUNCTION(thisType) \
879 template <> inline bool isElementOfType<const thisType>(const Element& eleme nt) { return is##thisType(element); } \ 883 template <> inline bool isElementOfType<const thisType>(const Element& eleme nt) { return is##thisType(element); } \
880 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(thisType) 884 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(thisType)
881 885
882 } // namespace 886 } // namespace
883 887
884 #endif 888 #endif
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