1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 *           (C) 1999 Antti Koivisto (koivisto@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
28namespace WebCore {
29
30class DocumentFragment;
31class HTMLCollection;
32class HTMLFormElement;
33
34class HTMLElement : public StyledElement {
35public:
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
86protected:
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
96private:
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
113inline HTMLElement* toHTMLElement(Node* node)
114{
115    ASSERT(!node || node->isHTMLElement());
116    return static_cast<HTMLElement*>(node);
117}
118
119inline const HTMLElement* toHTMLElement(const Node* node)
120{
121    ASSERT(!node || node->isHTMLElement());
122    return static_cast<const HTMLElement*>(node);
123}
124
125inline 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