1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef HTMLFormControlElement_h
#define HTMLFormControlElement_h
#include "HTMLElement.h"
namespace WebCore {
class FormDataList;
class HTMLFormElement;
class RenderTextControl;
class ValidityState;
class VisibleSelection;
class HTMLFormControlElement : public HTMLElement {
public:
HTMLFormControlElement(const QualifiedName& tagName, Document*, HTMLFormElement*, ConstructionType = CreateElementZeroRefCount);
virtual ~HTMLFormControlElement();
virtual HTMLTagStatus endTagRequirement() const { return TagStatusRequired; }
virtual int tagPriority() const { return 1; }
HTMLFormElement* form() const { return m_form; }
ValidityState* validity();
bool formNoValidate() const;
void setFormNoValidate(bool);
virtual bool isTextFormControl() const { return false; }
virtual bool isEnabledFormControl() const { return !disabled(); }
virtual void parseMappedAttribute(MappedAttribute*);
virtual void attach();
virtual void insertedIntoTree(bool deep);
virtual void removedFromTree(bool deep);
virtual void reset() {}
virtual bool formControlValueMatchesRenderer() const { return m_valueMatchesRenderer; }
virtual void setFormControlValueMatchesRenderer(bool b) { m_valueMatchesRenderer = b; }
virtual void dispatchFormControlChangeEvent();
bool disabled() const { return m_disabled; }
void setDisabled(bool);
virtual bool supportsFocus() const;
virtual bool isFocusable() const;
virtual bool isKeyboardFocusable(KeyboardEvent*) const;
virtual bool isMouseFocusable() const;
virtual bool isEnumeratable() const { return false; }
virtual bool isReadOnlyFormControl() const { return m_readOnly; }
void setReadOnly(bool);
// Determines whether or not a control will be automatically focused
virtual bool autofocus() const;
void setAutofocus(bool);
bool required() const;
void setRequired(bool);
virtual void recalcStyle(StyleChange);
virtual const AtomicString& formControlName() const;
virtual const AtomicString& formControlType() const = 0;
const AtomicString& type() const { return formControlType(); }
const AtomicString& name() const { return formControlName(); }
void setName(const AtomicString& name);
virtual bool isFormControlElement() const { return true; }
virtual bool isRadioButton() const { return false; }
/* Override in derived classes to get the encoded name=value pair for submitting.
* Return true for a successful control (see HTML4-17.13.2).
*/
virtual bool appendFormData(FormDataList&, bool) { return false; }
virtual bool isSuccessfulSubmitButton() const { return false; }
virtual bool isActivatedSubmit() const { return false; }
virtual void setActivatedSubmit(bool) { }
virtual short tabIndex() const;
virtual bool willValidate() const;
String validationMessage();
bool checkValidity();
// This must be called when a validation constraint or control value is changed.
void setNeedsValidityCheck();
void setCustomValidity(const String&);
virtual bool valueMissing() const { return false; }
virtual bool patternMismatch() const { return false; }
virtual bool tooLong() const { return false; }
void formDestroyed();
virtual void dispatchFocusEvent();
virtual void dispatchBlurEvent();
protected:
void removeFromForm();
// This must be called any time the result of willValidate() has changed.
void setNeedsWillValidateCheck();
private:
virtual HTMLFormElement* virtualForm() const;
virtual bool isDefaultButtonForForm() const;
virtual bool isValidFormControlElement();
HTMLFormElement* m_form;
OwnPtr<ValidityState> m_validityState;
bool m_hasName : 1;
bool m_disabled : 1;
bool m_readOnly : 1;
bool m_required : 1;
bool m_valueMatchesRenderer : 1;
};
class HTMLFormControlElementWithState : public HTMLFormControlElement {
public:
HTMLFormControlElementWithState(const QualifiedName& tagName, Document*, HTMLFormElement*);
virtual ~HTMLFormControlElementWithState();
virtual void finishParsingChildren();
protected:
virtual void willMoveToNewOwnerDocument();
virtual void didMoveToNewOwnerDocument();
};
class HTMLTextFormControlElement : public HTMLFormControlElementWithState {
public:
HTMLTextFormControlElement(const QualifiedName&, Document*, HTMLFormElement*);
virtual ~HTMLTextFormControlElement();
virtual void dispatchFocusEvent();
virtual void dispatchBlurEvent();
int selectionStart();
int selectionEnd();
void setSelectionStart(int);
void setSelectionEnd(int);
void select();
void setSelectionRange(int start, int end);
VisibleSelection selection() const;
protected:
bool placeholderShouldBeVisible() const;
void updatePlaceholderVisibility(bool);
virtual int cachedSelectionStart() const = 0;
virtual int cachedSelectionEnd() const = 0;
virtual void parseMappedAttribute(MappedAttribute*);
private:
// A subclass should return true if placeholder processing is needed.
virtual bool supportsPlaceholder() const = 0;
// Returns true if user-editable value is empty. This is used to check placeholder visibility.
virtual bool isEmptyValue() const = 0;
// Called in dispatchFocusEvent(), after placeholder process, before calling parent's dispatchFocusEvent().
virtual void handleFocusEvent() { }
// Called in dispatchBlurEvent(), after placeholder process, before calling parent's dispatchBlurEvent().
virtual void handleBlurEvent() { }
RenderTextControl* textRendererAfterUpdateLayout();
};
} //namespace
#endif
|
