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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 1999 Antti Koivisto (koivisto (at) kde.org)
      4  * Copyright (C) 2004, 2005, 2006, 2007, 2009 Apple Inc. 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 
     23 #ifndef HTMLElement_h
     24 #define HTMLElement_h
     25 
     26 #include "StyledElement.h"
     27 
     28 namespace WebCore {
     29 
     30 class DocumentFragment;
     31 class HTMLCollection;
     32 class HTMLFormElement;
     33 
     34 class HTMLElement : public StyledElement {
     35 public:
     36     static PassRefPtr<HTMLElement> create(const QualifiedName& tagName, Document*);
     37 
     38     PassRefPtr<HTMLCollection> children();
     39 
     40     virtual String title() const;
     41 
     42     virtual short tabIndex() const;
     43     void setTabIndex(int);
     44 
     45     String innerHTML() const;
     46     String outerHTML() const;
     47     // deprecatedCreateContextualFragment logic should be moved into Range::createContextualFragment
     48     PassRefPtr<DocumentFragment> deprecatedCreateContextualFragment(const String&, FragmentScriptingPermission = FragmentScriptingAllowed);
     49     void setInnerHTML(const String&, ExceptionCode&);
     50     void setOuterHTML(const String&, ExceptionCode&);
     51     void setInnerText(const String&, ExceptionCode&);
     52     void setOuterText(const String&, ExceptionCode&);
     53 
     54     Element* insertAdjacentElement(const String& where, Element* newChild, ExceptionCode&);
     55     void insertAdjacentHTML(const String& where, const String& html, ExceptionCode&);
     56     void insertAdjacentText(const String& where, const String& text, ExceptionCode&);
     57 
     58     virtual bool supportsFocus() const;
     59 
     60     String contentEditable() const;
     61     void setContentEditable(const String&, ExceptionCode&);
     62 
     63     virtual bool draggable() const;
     64     void setDraggable(bool);
     65 
     66     bool spellcheck() const;
     67     void setSpellcheck(bool);
     68 
     69     void click();
     70 
     71     virtual void accessKeyAction(bool sendToAnyElement);
     72 
     73     bool ieForbidsInsertHTML() const;
     74 
     75     virtual bool rendererIsNeeded(RenderStyle*);
     76     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
     77 
     78     HTMLFormElement* form() const { return virtualForm(); }
     79 
     80     static void addHTMLAlignmentToStyledElement(StyledElement*, Attribute*);
     81 
     82     HTMLFormElement* findFormAncestor() const;
     83 
     84     TextDirection directionalityIfhasDirAutoAttribute(bool& isAuto) const;
     85 
     86 protected:
     87     HTMLElement(const QualifiedName& tagName, Document*);
     88 
     89     void addHTMLAlignment(Attribute*);
     90 
     91     virtual bool mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const;
     92     virtual void parseMappedAttribute(Attribute*);
     93 
     94     virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
     95 
     96 private:
     97     virtual String nodeName() const;
     98 
     99     void setContentEditable(Attribute*);
    100 
    101     virtual HTMLFormElement* virtualForm() const;
    102 
    103     Node* insertAdjacent(const String& where, Node* newChild, ExceptionCode&);
    104     PassRefPtr<DocumentFragment> textToFragment(const String&, ExceptionCode&);
    105 
    106     void dirAttributeChanged(Attribute*);
    107     void adjustDirectionalityIfNeededAfterChildAttributeChanged(Element* child);
    108     void calculateAndAdjustDirectionality();
    109     void adjustDirectionalityIfNeededAfterChildrenChanged(Node* beforeChange, int childCountDelta);
    110     TextDirection directionality(Node** strongDirectionalityTextNode= 0) const;
    111 };
    112 
    113 inline HTMLElement* toHTMLElement(Node* node)
    114 {
    115     ASSERT(!node || node->isHTMLElement());
    116     return static_cast<HTMLElement*>(node);
    117 }
    118 
    119 inline const HTMLElement* toHTMLElement(const Node* node)
    120 {
    121     ASSERT(!node || node->isHTMLElement());
    122     return static_cast<const HTMLElement*>(node);
    123 }
    124 
    125 inline HTMLElement::HTMLElement(const QualifiedName& tagName, Document* document)
    126     : StyledElement(tagName, document, CreateHTMLElement)
    127 {
    128     ASSERT(tagName.localName().impl());
    129 }
    130 
    131 } // namespace WebCore
    132 
    133 #endif // HTMLElement_h
    134