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
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
/*
* Copyright (C) 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef AccessibilityRenderObject_h
#define AccessibilityRenderObject_h
#include "AccessibilityObject.h"
namespace WebCore {
class AXObjectCache;
class Element;
class Frame;
class FrameView;
class HitTestResult;
class HTMLAnchorElement;
class HTMLAreaElement;
class HTMLElement;
class HTMLLabelElement;
class HTMLMapElement;
class HTMLSelectElement;
class IntPoint;
class IntSize;
class Node;
class RenderObject;
class RenderListBox;
class RenderTextControl;
class RenderView;
class VisibleSelection;
class String;
class Widget;
class AccessibilityRenderObject : public AccessibilityObject {
protected:
AccessibilityRenderObject(RenderObject*);
public:
static PassRefPtr<AccessibilityRenderObject> create(RenderObject*);
virtual ~AccessibilityRenderObject();
bool isAccessibilityRenderObject() const { return true; };
virtual bool isAnchor() const;
virtual bool isAttachment() const;
virtual bool isHeading() const;
virtual bool isLink() const;
virtual bool isImageButton() const;
virtual bool isImage() const;
virtual bool isNativeImage() const;
virtual bool isPasswordField() const;
virtual bool isTextControl() const;
virtual bool isNativeTextControl() const;
virtual bool isWebArea() const;
virtual bool isCheckboxOrRadio() const;
virtual bool isFileUploadButton() const;
virtual bool isInputImage() const;
virtual bool isProgressIndicator() const;
virtual bool isSlider() const;
virtual bool isMenuRelated() const;
virtual bool isMenu() const;
virtual bool isMenuBar() const;
virtual bool isMenuButton() const;
virtual bool isMenuItem() const;
virtual bool isControl() const;
virtual bool isFieldset() const;
virtual bool isGroup() const;
virtual bool isEnabled() const;
virtual bool isSelected() const;
virtual bool isFocused() const;
virtual bool isChecked() const;
virtual bool isHovered() const;
virtual bool isIndeterminate() const;
virtual bool isLoaded() const;
virtual bool isMultiSelect() const;
virtual bool isOffScreen() const;
virtual bool isPressed() const;
virtual bool isReadOnly() const;
virtual bool isVisited() const;
const AtomicString& getAttribute(const QualifiedName&) const;
virtual bool canSetFocusAttribute() const;
virtual bool canSetTextRangeAttributes() const;
virtual bool canSetValueAttribute() const;
virtual bool hasIntValue() const;
virtual bool accessibilityIsIgnored() const;
static int headingLevel(Node*);
virtual int intValue() const;
virtual float valueForRange() const;
virtual float maxValueForRange() const;
virtual float minValueForRange() const;
virtual int layoutCount() const;
virtual AccessibilityObject* doAccessibilityHitTest(const IntPoint&) const;
virtual AccessibilityObject* focusedUIElement() const;
virtual AccessibilityObject* firstChild() const;
virtual AccessibilityObject* lastChild() const;
virtual AccessibilityObject* previousSibling() const;
virtual AccessibilityObject* nextSibling() const;
virtual AccessibilityObject* parentObject() const;
virtual AccessibilityObject* parentObjectIfExists() const;
virtual AccessibilityObject* observableObject() const;
virtual void linkedUIElements(AccessibilityChildrenVector&) const;
virtual bool exposesTitleUIElement() const;
virtual AccessibilityObject* titleUIElement() const;
virtual AccessibilityRole ariaRoleAttribute() const;
virtual bool isPresentationalChildOfAriaRole() const;
virtual bool ariaRoleHasPresentationalChildren() const;
void setAriaRole();
virtual AccessibilityRole roleValue() const;
virtual AXObjectCache* axObjectCache() const;
virtual Element* actionElement() const;
Element* mouseButtonListener() const;
FrameView* frameViewIfRenderView() const;
virtual Element* anchorElement() const;
AccessibilityObject* menuForMenuButton() const;
AccessibilityObject* menuButtonForMenu() const;
virtual IntRect boundingBoxRect() const;
virtual IntRect elementRect() const;
virtual IntSize size() const;
virtual IntPoint clickPoint() const;
void setRenderer(RenderObject* renderer) { m_renderer = renderer; }
RenderObject* renderer() const { return m_renderer; }
RenderView* topRenderer() const;
RenderTextControl* textControl() const;
Document* document() const;
FrameView* topDocumentFrameView() const;
HTMLLabelElement* labelElementContainer() const;
virtual KURL url() const;
virtual PlainTextRange selectedTextRange() const;
virtual VisibleSelection selection() const;
virtual String stringValue() const;
virtual String ariaAccessiblityName(const String&) const;
virtual String ariaLabeledByAttribute() const;
virtual String title() const;
virtual String ariaDescribedByAttribute() const;
virtual String accessibilityDescription() const;
virtual String helpText() const;
virtual String textUnderElement() const;
virtual String text() const;
virtual int textLength() const;
virtual PassRefPtr<Range> ariaSelectedTextDOMRange() const;
virtual String selectedText() const;
virtual const AtomicString& accessKey() const;
virtual const String& actionVerb() const;
virtual Widget* widget() const;
virtual Widget* widgetForAttachmentView() const;
virtual void getDocumentLinks(AccessibilityChildrenVector&);
virtual FrameView* documentFrameView() const;
virtual String language() const;
virtual const AccessibilityChildrenVector& children();
virtual void setFocused(bool);
virtual void setSelectedTextRange(const PlainTextRange&);
virtual void setValue(const String&);
virtual void detach();
virtual void childrenChanged();
virtual void addChildren();
virtual bool canHaveChildren() const;
virtual void selectedChildren(AccessibilityChildrenVector&);
virtual void visibleChildren(AccessibilityChildrenVector&);
virtual bool shouldFocusActiveDescendant() const;
virtual AccessibilityObject* activeDescendant() const;
virtual void handleActiveDescendantChanged();
virtual VisiblePositionRange visiblePositionRange() const;
virtual VisiblePositionRange visiblePositionRangeForLine(unsigned) const;
virtual IntRect boundsForVisiblePositionRange(const VisiblePositionRange&) const;
virtual void setSelectedVisiblePositionRange(const VisiblePositionRange&) const;
virtual VisiblePosition visiblePositionForPoint(const IntPoint&) const;
virtual VisiblePosition visiblePositionForIndex(unsigned indexValue, bool lastIndexOK) const;
virtual int index(const VisiblePosition&) const;
virtual VisiblePosition visiblePositionForIndex(int) const;
virtual int indexForVisiblePosition(const VisiblePosition&) const;
virtual PlainTextRange doAXRangeForLine(unsigned) const;
virtual PlainTextRange doAXRangeForIndex(unsigned) const;
virtual String doAXStringForRange(const PlainTextRange&) const;
virtual IntRect doAXBoundsForRange(const PlainTextRange&) const;
virtual void updateBackingStore();
protected:
RenderObject* m_renderer;
AccessibilityRole m_ariaRole;
mutable bool m_childrenDirty;
void setRenderObject(RenderObject* renderer) { m_renderer = renderer; }
virtual bool isDetached() const { return !m_renderer; }
private:
void ariaListboxSelectedChildren(AccessibilityChildrenVector&);
void ariaListboxVisibleChildren(AccessibilityChildrenVector&);
bool ariaIsHidden() const;
Element* menuElementForMenuButton() const;
Element* menuItemElementForMenu() const;
AccessibilityRole determineAriaRoleAttribute() const;
IntRect checkboxOrRadioRect() const;
void addRadioButtonGroupMembers(AccessibilityChildrenVector& linkedUIElements) const;
AccessibilityObject* internalLinkElement() const;
AccessibilityObject* accessibilityImageMapHitTest(HTMLAreaElement*, const IntPoint&) const;
AccessibilityObject* accessibilityParentForImageMap(HTMLMapElement* map) const;
void markChildrenDirty() const { m_childrenDirty = true; }
};
} // namespace WebCore
#endif // AccessibilityRenderObject_h
|
