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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) 2000 Dirk Mueller (mueller@kde.org) | 4 * (C) 2000 Dirk Mueller (mueller@kde.org) |
5 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
reserved. | 5 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
reserved. |
6 * Copyright (C) 2009, 2010, 2011 Google Inc. All rights reserved. | 6 * Copyright (C) 2009, 2010, 2011 Google 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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61 | 61 |
62 // The derived class should return true if placeholder processing is needed. | 62 // The derived class should return true if placeholder processing is needed. |
63 virtual bool supportsPlaceholder() const = 0; | 63 virtual bool supportsPlaceholder() const = 0; |
64 String strippedPlaceholder() const; | 64 String strippedPlaceholder() const; |
65 bool placeholderShouldBeVisible() const; | 65 bool placeholderShouldBeVisible() const; |
66 HTMLElement* placeholderElement() const; | 66 HTMLElement* placeholderElement() const; |
67 void updatePlaceholderVisibility(bool); | 67 void updatePlaceholderVisibility(bool); |
68 | 68 |
69 VisiblePosition visiblePositionForIndex(int) const; | 69 VisiblePosition visiblePositionForIndex(int) const; |
70 int indexForVisiblePosition(const VisiblePosition&) const; | 70 int indexForVisiblePosition(const VisiblePosition&) const; |
71 int selectionStart() const; | 71 unsigned selectionStart() const; |
72 int selectionEnd() const; | 72 unsigned selectionEnd() const; |
73 const AtomicString& selectionDirection() const; | 73 const AtomicString& selectionDirection() const; |
74 void setSelectionStart(int); | 74 void setSelectionStart(int); |
75 void setSelectionEnd(int); | 75 void setSelectionEnd(int); |
76 void setSelectionDirection(const String&); | 76 void setSelectionDirection(const String&); |
77 void select(NeedToDispatchSelectEvent = DispatchSelectEvent); | 77 void select(NeedToDispatchSelectEvent = DispatchSelectEvent); |
78 virtual void setRangeText(const String& replacement, ExceptionState&); | 78 virtual void setRangeText(const String& replacement, ExceptionState&); |
79 virtual void setRangeText(const String& replacement, unsigned start, unsigne
d end, const String& selectionMode, ExceptionState&); | 79 virtual void setRangeText(const String& replacement, unsigned start, unsigne
d end, const String& selectionMode, ExceptionState&); |
80 void setSelectionRange(int start, int end, const String& direction); | 80 void setSelectionRange(unsigned start, unsigned end, const String& direction
); |
81 void setSelectionRange(int start, int end, TextFieldSelectionDirection = Sel
ectionHasNoDirection, NeedToDispatchSelectEvent = DispatchSelectEvent, Selection
Option = ChangeSelection); | 81 void setSelectionRange(unsigned start, unsigned end, TextFieldSelectionDirec
tion = SelectionHasNoDirection, NeedToDispatchSelectEvent = DispatchSelectEvent,
SelectionOption = ChangeSelection); |
82 PassRefPtrWillBeRawPtr<Range> selection() const; | 82 PassRefPtrWillBeRawPtr<Range> selection() const; |
83 | 83 |
84 virtual bool supportsAutocapitalize() const = 0; | 84 virtual bool supportsAutocapitalize() const = 0; |
85 virtual const AtomicString& defaultAutocapitalize() const = 0; | 85 virtual const AtomicString& defaultAutocapitalize() const = 0; |
86 const AtomicString& autocapitalize() const; | 86 const AtomicString& autocapitalize() const; |
87 void setAutocapitalize(const AtomicString&); | 87 void setAutocapitalize(const AtomicString&); |
88 | 88 |
89 void dispatchFormControlChangeEvent() final; | 89 void dispatchFormControlChangeEvent() final; |
90 | 90 |
91 virtual String value() const = 0; | 91 virtual String value() const = 0; |
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109 static Position startOfSentence(const Position&); | 109 static Position startOfSentence(const Position&); |
110 static Position endOfSentence(const Position&); | 110 static Position endOfSentence(const Position&); |
111 | 111 |
112 protected: | 112 protected: |
113 HTMLTextFormControlElement(const QualifiedName&, Document&, HTMLFormElement*
); | 113 HTMLTextFormControlElement(const QualifiedName&, Document&, HTMLFormElement*
); |
114 bool isPlaceholderEmpty() const; | 114 bool isPlaceholderEmpty() const; |
115 virtual void updatePlaceholderText() = 0; | 115 virtual void updatePlaceholderText() = 0; |
116 | 116 |
117 void parseAttribute(const QualifiedName&, const AtomicString&) override; | 117 void parseAttribute(const QualifiedName&, const AtomicString&) override; |
118 | 118 |
119 void cacheSelection(int start, int end, TextFieldSelectionDirection directio
n) | 119 void cacheSelection(unsigned start, unsigned end, TextFieldSelectionDirectio
n direction) |
120 { | 120 { |
121 ASSERT(start >= 0); | |
122 m_cachedSelectionStart = start; | 121 m_cachedSelectionStart = start; |
123 m_cachedSelectionEnd = end; | 122 m_cachedSelectionEnd = end; |
124 m_cachedSelectionDirection = direction; | 123 m_cachedSelectionDirection = direction; |
125 } | 124 } |
126 | 125 |
127 void restoreCachedSelection(); | 126 void restoreCachedSelection(); |
128 | 127 |
129 void defaultEventHandler(Event*) override; | 128 void defaultEventHandler(Event*) override; |
130 virtual void subtreeHasChanged() = 0; | 129 virtual void subtreeHasChanged() = 0; |
131 | 130 |
132 void setLastChangeWasNotUserEdit() { m_lastChangeWasUserEdit = false; } | 131 void setLastChangeWasNotUserEdit() { m_lastChangeWasUserEdit = false; } |
133 | 132 |
134 String valueWithHardLineBreaks() const; | 133 String valueWithHardLineBreaks() const; |
135 | 134 |
136 virtual bool shouldDispatchFormControlChangeEvent(String&, String&); | 135 virtual bool shouldDispatchFormControlChangeEvent(String&, String&); |
137 void copyNonAttributePropertiesFromElement(const Element&) override; | 136 void copyNonAttributePropertiesFromElement(const Element&) override; |
138 | 137 |
139 private: | 138 private: |
140 int computeSelectionStart() const; | 139 unsigned computeSelectionStart() const; |
141 int computeSelectionEnd() const; | 140 unsigned computeSelectionEnd() const; |
142 TextFieldSelectionDirection computeSelectionDirection() const; | 141 TextFieldSelectionDirection computeSelectionDirection() const; |
143 | 142 |
144 void dispatchFocusEvent(Element* oldFocusedElement, WebFocusType, InputDevic
e* sourceDevice) final; | 143 void dispatchFocusEvent(Element* oldFocusedElement, WebFocusType, InputDevic
e* sourceDevice) final; |
145 void dispatchBlurEvent(Element* newFocusedElement, WebFocusType, InputDevice
* sourceDevice) final; | 144 void dispatchBlurEvent(Element* newFocusedElement, WebFocusType, InputDevice
* sourceDevice) final; |
146 void scheduleSelectEvent(); | 145 void scheduleSelectEvent(); |
147 | 146 |
148 // Returns true if user-editable value is empty. Used to check placeholder v
isibility. | 147 // Returns true if user-editable value is empty. Used to check placeholder v
isibility. |
149 virtual bool isEmptyValue() const = 0; | 148 virtual bool isEmptyValue() const = 0; |
150 // Returns true if suggested value is empty. Used to check placeholder visib
ility. | 149 // Returns true if suggested value is empty. Used to check placeholder visib
ility. |
151 virtual bool isEmptySuggestedValue() const { return true; } | 150 virtual bool isEmptySuggestedValue() const { return true; } |
152 // Called in dispatchFocusEvent(), after placeholder process, before calling
parent's dispatchFocusEvent(). | 151 // Called in dispatchFocusEvent(), after placeholder process, before calling
parent's dispatchFocusEvent(). |
153 virtual void handleFocusEvent(Element* /* oldFocusedNode */, WebFocusType) {
} | 152 virtual void handleFocusEvent(Element* /* oldFocusedNode */, WebFocusType) {
} |
154 // Called in dispatchBlurEvent(), after placeholder process, before calling
parent's dispatchBlurEvent(). | 153 // Called in dispatchBlurEvent(), after placeholder process, before calling
parent's dispatchBlurEvent(). |
155 virtual void handleBlurEvent() { } | 154 virtual void handleBlurEvent() { } |
156 | 155 |
157 String m_textAsOfLastFormControlChangeEvent; | 156 String m_textAsOfLastFormControlChangeEvent; |
158 bool m_lastChangeWasUserEdit; | 157 bool m_lastChangeWasUserEdit; |
159 | 158 |
160 int m_cachedSelectionStart; | 159 unsigned m_cachedSelectionStart; |
161 int m_cachedSelectionEnd; | 160 unsigned m_cachedSelectionEnd; |
162 TextFieldSelectionDirection m_cachedSelectionDirection; | 161 TextFieldSelectionDirection m_cachedSelectionDirection; |
163 }; | 162 }; |
164 | 163 |
165 inline bool isHTMLTextFormControlElement(const Element& element) | 164 inline bool isHTMLTextFormControlElement(const Element& element) |
166 { | 165 { |
167 return element.isTextFormControl(); | 166 return element.isTextFormControl(); |
168 } | 167 } |
169 | 168 |
170 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLTextFormControlElement); | 169 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLTextFormControlElement); |
171 | 170 |
172 HTMLTextFormControlElement* enclosingTextFormControl(const Position&); | 171 HTMLTextFormControlElement* enclosingTextFormControl(const Position&); |
173 HTMLTextFormControlElement* enclosingTextFormControl(Node*); | 172 HTMLTextFormControlElement* enclosingTextFormControl(Node*); |
174 | 173 |
175 } // namespace | 174 } // namespace |
176 | 175 |
177 #endif | 176 #endif |
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