1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 *
22 */
23
24 #ifndef HTMLTextAreaElement_h
25 #define HTMLTextAreaElement_h
26
27 #include "core/html/HTMLTextFormControlElement.h"
28
29 namespace WebCore {
30
31 class BeforeTextInsertedEvent;
32 class ExceptionState;
33 class VisibleSelection;
34
35 class HTMLTextAreaElement FINAL : public HTMLTextFormControlElement {
36 public:
37 static PassRefPtr<HTMLTextAreaElement> create(Document&, HTMLFormElement*);
38
cols()39 int cols() const { return m_cols; }
rows()40 int rows() const { return m_rows; }
41
shouldWrapText()42 bool shouldWrapText() const { return m_wrap != NoWrap; }
43
44 virtual String value() const;
45 void setValue(const String&);
46 String defaultValue() const;
47 void setDefaultValue(const String&);
textLength()48 int textLength() const { return value().length(); }
49 virtual int maxLength() const;
50 void setMaxLength(int, ExceptionState&);
51 // For ValidityState
52 virtual String validationMessage() const OVERRIDE;
53 virtual bool valueMissing() const OVERRIDE;
54 virtual bool tooLong() const OVERRIDE;
55 bool isValidValue(const String&) const;
56
57 void rendererWillBeDestroyed();
58
59 void setCols(int);
60 void setRows(int);
61
62 private:
63 HTMLTextAreaElement(Document&, HTMLFormElement*);
64
65 enum WrapMethod { NoWrap, SoftWrap, HardWrap };
66
67 virtual void didAddUserAgentShadowRoot(ShadowRoot&) OVERRIDE;
68 // FIXME: Author shadows should be allowed
69 // https://bugs.webkit.org/show_bug.cgi?id=92608
areAuthorShadowsAllowed()70 virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; }
71
72 void handleBeforeTextInsertedEvent(BeforeTextInsertedEvent*) const;
73 static String sanitizeUserInputValue(const String&, unsigned maxLength);
74 void updateValue() const;
75 void setNonDirtyValue(const String&);
76 void setValueCommon(const String&);
77
supportsPlaceholder()78 virtual bool supportsPlaceholder() const { return true; }
79 virtual void updatePlaceholderText();
isEmptyValue()80 virtual bool isEmptyValue() const { return value().isEmpty(); }
81
isOptionalFormControl()82 virtual bool isOptionalFormControl() const { return !isRequiredFormControl(); }
isRequiredFormControl()83 virtual bool isRequiredFormControl() const { return isRequired(); }
84
85 virtual void defaultEventHandler(Event*);
86 virtual void handleFocusEvent(Element* oldFocusedNode, FocusDirection) OVERRIDE;
87
88 virtual void subtreeHasChanged();
89
isEnumeratable()90 virtual bool isEnumeratable() const { return true; }
91 virtual bool isInteractiveContent() const OVERRIDE;
supportLabels()92 virtual bool supportLabels() const OVERRIDE { return true; }
93
94 virtual const AtomicString& formControlType() const;
95
96 virtual FormControlState saveFormControlState() const OVERRIDE;
97 virtual void restoreFormControlState(const FormControlState&) OVERRIDE;
98
isTextFormControl()99 virtual bool isTextFormControl() const { return true; }
100
101 virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
102 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
103 virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE;
104 virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE;
105 virtual RenderObject* createRenderer(RenderStyle*);
106 virtual bool appendFormData(FormDataList&, bool);
107 virtual void resetImpl() OVERRIDE;
108 virtual bool hasCustomFocusLogic() const OVERRIDE;
109 virtual bool shouldShowFocusRingOnMouseFocus() const OVERRIDE;
110 virtual bool isKeyboardFocusable() const OVERRIDE;
111 virtual void updateFocusAppearance(bool restorePreviousSelection);
112
113 virtual void accessKeyAction(bool sendMouseEvents);
114
115 virtual bool shouldUseInputMethod();
116 virtual bool matchesReadOnlyPseudoClass() const OVERRIDE;
117 virtual bool matchesReadWritePseudoClass() const OVERRIDE;
118
valueMissing(const String & value)119 bool valueMissing(const String& value) const { return isRequiredFormControl() && !isDisabledOrReadOnly() && value.isEmpty(); }
120 bool tooLong(const String&, NeedsToCheckDirtyFlag) const;
121
122 int m_rows;
123 int m_cols;
124 WrapMethod m_wrap;
125 mutable String m_value;
126 mutable bool m_isDirty;
127 };
128
isHTMLTextAreaElement(const Node * node)129 inline bool isHTMLTextAreaElement(const Node* node)
130 {
131 return node->hasTagName(HTMLNames::textareaTag);
132 }
133
isHTMLTextAreaElement(const Element * element)134 inline bool isHTMLTextAreaElement(const Element* element)
135 {
136 return element->hasTagName(HTMLNames::textareaTag);
137 }
138
139 DEFINE_NODE_TYPE_CASTS(HTMLTextAreaElement, hasTagName(HTMLNames::textareaTag));
140
141 } //namespace
142
143 #endif
144