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Side by Side Diff: Source/modules/accessibility/AXLayoutObject.h

Issue 1227783004: Fix virtual/override/final usage in Source/modules/. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: rebase Created 5 years, 5 months ago
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1 /* 1 /*
2 * Copyright (C) 2008 Apple Inc. All rights reserved. 2 * Copyright (C) 2008 Apple Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 7 *
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
(...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after
45 class Node; 45 class Node;
46 class VisibleSelection; 46 class VisibleSelection;
47 class Widget; 47 class Widget;
48 48
49 class MODULES_EXPORT AXLayoutObject : public AXNodeObject { 49 class MODULES_EXPORT AXLayoutObject : public AXNodeObject {
50 protected: 50 protected:
51 AXLayoutObject(LayoutObject*, AXObjectCacheImpl&); 51 AXLayoutObject(LayoutObject*, AXObjectCacheImpl&);
52 52
53 public: 53 public:
54 static PassRefPtrWillBeRawPtr<AXLayoutObject> create(LayoutObject*, AXObject CacheImpl&); 54 static PassRefPtrWillBeRawPtr<AXLayoutObject> create(LayoutObject*, AXObject CacheImpl&);
55 virtual ~AXLayoutObject(); 55 ~AXLayoutObject() override;
56 56
57 // Public, overridden from AXObject. 57 // Public, overridden from AXObject.
58 virtual LayoutObject* layoutObject() const override final { return m_layoutO bject; } 58 LayoutObject* layoutObject() const final { return m_layoutObject; }
59 virtual LayoutRect elementRect() const override; 59 LayoutRect elementRect() const override;
60 60
61 void setLayoutObject(LayoutObject*); 61 void setLayoutObject(LayoutObject*);
62 LayoutBoxModelObject* layoutBoxModelObject() const; 62 LayoutBoxModelObject* layoutBoxModelObject() const;
63 Document* topDocument() const; 63 Document* topDocument() const;
64 bool shouldNotifyActiveDescendant() const; 64 bool shouldNotifyActiveDescendant() const;
65 virtual ScrollableArea* getScrollableAreaIfScrollable() const override final ; 65 ScrollableArea* getScrollableAreaIfScrollable() const final;
66 virtual AccessibilityRole determineAccessibilityRole() override; 66 AccessibilityRole determineAccessibilityRole() override;
67 void checkCachedElementRect() const; 67 void checkCachedElementRect() const;
68 void updateCachedElementRect() const; 68 void updateCachedElementRect() const;
69 69
70 protected: 70 protected:
71 LayoutObject* m_layoutObject; 71 LayoutObject* m_layoutObject;
72 mutable LayoutRect m_cachedElementRect; 72 mutable LayoutRect m_cachedElementRect;
73 mutable LayoutRect m_cachedFrameRect; 73 mutable LayoutRect m_cachedFrameRect;
74 mutable IntPoint m_cachedScrollPosition; 74 mutable IntPoint m_cachedScrollPosition;
75 mutable bool m_cachedElementRectDirty; 75 mutable bool m_cachedElementRectDirty;
76 76
77 // 77 //
78 // Overridden from AXObject. 78 // Overridden from AXObject.
79 // 79 //
80 80
81 virtual void init() override; 81 void init() override;
82 virtual void detach() override; 82 void detach() override;
83 virtual bool isDetached() const override { return !m_layoutObject; } 83 bool isDetached() const override { return !m_layoutObject; }
84 virtual bool isAXLayoutObject() const override { return true; } 84 bool isAXLayoutObject() const override { return true; }
85 85
86 // Check object role or purpose. 86 // Check object role or purpose.
87 virtual bool isAttachment() const override; 87 bool isAttachment() const override;
88 virtual bool isRichlyEditable() const override; 88 bool isRichlyEditable() const override;
89 virtual bool isLinked() const override; 89 bool isLinked() const override;
90 virtual bool isLoaded() const override; 90 bool isLoaded() const override;
91 virtual bool isOffScreen() const override; 91 bool isOffScreen() const override;
92 virtual bool isReadOnly() const override; 92 bool isReadOnly() const override;
93 virtual bool isVisited() const override; 93 bool isVisited() const override;
94 94
95 // Check object state. 95 // Check object state.
96 virtual bool isFocused() const override; 96 bool isFocused() const override;
97 virtual bool isSelected() const override; 97 bool isSelected() const override;
98 98
99 // Whether objects are ignored, i.e. not included in the tree. 99 // Whether objects are ignored, i.e. not included in the tree.
100 virtual AXObjectInclusion defaultObjectInclusion(IgnoredReasons* = nullptr) const override; 100 AXObjectInclusion defaultObjectInclusion(IgnoredReasons* = nullptr) const ov erride;
101 virtual bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override; 101 bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override ;
102 102
103 // Properties of static elements. 103 // Properties of static elements.
104 virtual const AtomicString& accessKey() const override; 104 const AtomicString& accessKey() const override;
105 virtual RGBA32 backgroundColor() const override final; 105 RGBA32 backgroundColor() const final;
106 virtual RGBA32 color() const override final; 106 RGBA32 color() const final;
107 // Font size is in pixels. 107 // Font size is in pixels.
108 virtual float fontSize() const override final; 108 float fontSize() const final;
109 virtual AccessibilityOrientation orientation() const override; 109 AccessibilityOrientation orientation() const override;
110 virtual String text() const override; 110 String text() const override;
111 virtual AccessibilityTextDirection textDirection() const override final; 111 AccessibilityTextDirection textDirection() const final;
112 virtual int textLength() const override; 112 int textLength() const override;
113 virtual TextStyle textStyle() const override final; 113 TextStyle textStyle() const final;
114 virtual KURL url() const override; 114 KURL url() const override;
115 115
116 // Inline text boxes. 116 // Inline text boxes.
117 virtual void loadInlineTextBoxes() override; 117 void loadInlineTextBoxes() override;
118 virtual AXObject* nextOnLine() const override; 118 AXObject* nextOnLine() const override;
119 virtual AXObject* previousOnLine() const override; 119 AXObject* previousOnLine() const override;
120 120
121 // Properties of interactive elements. 121 // Properties of interactive elements.
122 virtual String actionVerb() const override; 122 String actionVerb() const override;
123 virtual String stringValue() const override; 123 String stringValue() const override;
124 124
125 // ARIA attributes. 125 // ARIA attributes.
126 virtual AXObject* activeDescendant() const override; 126 AXObject* activeDescendant() const override;
127 virtual void ariaFlowToElements(AccessibilityChildrenVector&) const override ; 127 void ariaFlowToElements(AccessibilityChildrenVector&) const override;
128 virtual void ariaControlsElements(AccessibilityChildrenVector&) const overri de; 128 void ariaControlsElements(AccessibilityChildrenVector&) const override;
129 virtual void deprecatedAriaDescribedbyElements(AccessibilityChildrenVector&) const override; 129 void deprecatedAriaDescribedbyElements(AccessibilityChildrenVector&) const o verride;
130 virtual void deprecatedAriaLabelledbyElements(AccessibilityChildrenVector&) const override; 130 void deprecatedAriaLabelledbyElements(AccessibilityChildrenVector&) const ov erride;
131 virtual void ariaOwnsElements(AccessibilityChildrenVector&) const override; 131 void ariaOwnsElements(AccessibilityChildrenVector&) const override;
132 132
133 virtual bool ariaHasPopup() const override; 133 bool ariaHasPopup() const override;
134 virtual bool ariaRoleHasPresentationalChildren() const override; 134 bool ariaRoleHasPresentationalChildren() const override;
135 virtual AXObject* ancestorForWhichThisIsAPresentationalChild() const overrid e; 135 AXObject* ancestorForWhichThisIsAPresentationalChild() const override;
136 virtual bool shouldFocusActiveDescendant() const override; 136 bool shouldFocusActiveDescendant() const override;
137 virtual bool supportsARIADragging() const override; 137 bool supportsARIADragging() const override;
138 virtual bool supportsARIADropping() const override; 138 bool supportsARIADropping() const override;
139 virtual bool supportsARIAFlowTo() const override; 139 bool supportsARIAFlowTo() const override;
140 virtual bool supportsARIAOwns() const override; 140 bool supportsARIAOwns() const override;
141 141
142 // ARIA live-region features. 142 // ARIA live-region features.
143 virtual const AtomicString& liveRegionStatus() const override; 143 const AtomicString& liveRegionStatus() const override;
144 virtual const AtomicString& liveRegionRelevant() const override; 144 const AtomicString& liveRegionRelevant() const override;
145 virtual bool liveRegionAtomic() const override; 145 bool liveRegionAtomic() const override;
146 virtual bool liveRegionBusy() const override; 146 bool liveRegionBusy() const override;
147 147
148 // Accessibility Text. 148 // Accessibility Text.
149 virtual String deprecatedTextUnderElement(TextUnderElementMode) const overri de; 149 String deprecatedTextUnderElement(TextUnderElementMode) const override;
150 150
151 // Accessibility Text - (To be deprecated). 151 // Accessibility Text - (To be deprecated).
152 virtual String deprecatedHelpText() const override; 152 String deprecatedHelpText() const override;
153 153
154 // Location and click point in frame-relative coordinates. 154 // Location and click point in frame-relative coordinates.
155 virtual void markCachedElementRectDirty() const override; 155 void markCachedElementRectDirty() const override;
156 virtual IntPoint clickPoint() override; 156 IntPoint clickPoint() override;
157 157
158 // Hit testing. 158 // Hit testing.
159 virtual AXObject* accessibilityHitTest(const IntPoint&) const override; 159 AXObject* accessibilityHitTest(const IntPoint&) const override;
160 virtual AXObject* elementAccessibilityHitTest(const IntPoint&) const overrid e; 160 AXObject* elementAccessibilityHitTest(const IntPoint&) const override;
161 161
162 // High-level accessibility tree access. Other modules should only use these functions. 162 // High-level accessibility tree access. Other modules should only use these functions.
163 virtual AXObject* computeParent() const override; 163 AXObject* computeParent() const override;
164 virtual AXObject* computeParentIfExists() const override; 164 AXObject* computeParentIfExists() const override;
165 165
166 // Low-level accessibility tree exploration, only for use within the accessi bility module. 166 // Low-level accessibility tree exploration, only for use within the accessi bility module.
167 virtual AXObject* firstChild() const override; 167 AXObject* firstChild() const override;
168 virtual AXObject* nextSibling() const override; 168 AXObject* nextSibling() const override;
169 virtual void addChildren() override; 169 void addChildren() override;
170 virtual bool canHaveChildren() const override; 170 bool canHaveChildren() const override;
171 virtual void updateChildrenIfNecessary() override; 171 void updateChildrenIfNecessary() override;
172 virtual bool needsToUpdateChildren() const override { return m_childrenDirty ; } 172 bool needsToUpdateChildren() const override { return m_childrenDirty; }
173 virtual void setNeedsToUpdateChildren() override { m_childrenDirty = true; } 173 void setNeedsToUpdateChildren() override { m_childrenDirty = true; }
174 virtual void clearChildren() override; 174 void clearChildren() override;
175 175
176 // Properties of the object's owning document or page. 176 // Properties of the object's owning document or page.
177 virtual double estimatedLoadingProgress() const override; 177 double estimatedLoadingProgress() const override;
178 178
179 // DOM and layout tree access. 179 // DOM and layout tree access.
180 virtual Node* node() const override; 180 Node* node() const override;
181 virtual Document* document() const override; 181 Document* document() const override;
182 virtual FrameView* documentFrameView() const override; 182 FrameView* documentFrameView() const override;
183 virtual Element* anchorElement() const override; 183 Element* anchorElement() const override;
184 virtual Widget* widgetForAttachmentView() const override; 184 Widget* widgetForAttachmentView() const override;
185 185
186 // Selected text. 186 // Selected text.
187 virtual PlainTextRange selectedTextRange() const override; 187 PlainTextRange selectedTextRange() const override;
188 188
189 // Modify or take an action on an object. 189 // Modify or take an action on an object.
190 virtual void setSelectedTextRange(const PlainTextRange&) override; 190 void setSelectedTextRange(const PlainTextRange&) override;
191 virtual void setValue(const String&) override; 191 void setValue(const String&) override;
192 192
193 // Notifications that this object may have changed. 193 // Notifications that this object may have changed.
194 virtual void handleActiveDescendantChanged() override; 194 void handleActiveDescendantChanged() override;
195 virtual void handleAriaExpandedChanged() override; 195 void handleAriaExpandedChanged() override;
196 virtual void textChanged() override; 196 void textChanged() override;
197 197
198 // Text metrics. Most of these should be deprecated, needs major cleanup. 198 // Text metrics. Most of these should be deprecated, needs major cleanup.
199 virtual int index(const VisiblePosition&) const override; 199 int index(const VisiblePosition&) const override;
200 virtual VisiblePosition visiblePositionForIndex(int) const override; 200 VisiblePosition visiblePositionForIndex(int) const override;
201 virtual void lineBreaks(Vector<int>&) const override; 201 void lineBreaks(Vector<int>&) const override;
202 202
203 private: 203 private:
204 AXObject* treeAncestorDisallowingChild() const; 204 AXObject* treeAncestorDisallowingChild() const;
205 void ariaListboxSelectedChildren(AccessibilityChildrenVector&); 205 void ariaListboxSelectedChildren(AccessibilityChildrenVector&);
206 PlainTextRange visibleSelectionUnderObject() const; 206 PlainTextRange visibleSelectionUnderObject() const;
207 bool nodeIsTextControl(const Node*) const; 207 bool nodeIsTextControl(const Node*) const;
208 bool isTabItemSelected() const; 208 bool isTabItemSelected() const;
209 AXObject* accessibilityImageMapHitTest(HTMLAreaElement*, const IntPoint&) co nst; 209 AXObject* accessibilityImageMapHitTest(HTMLAreaElement*, const IntPoint&) co nst;
210 LayoutObject* layoutParentObject() const; 210 LayoutObject* layoutParentObject() const;
211 bool isSVGImage() const; 211 bool isSVGImage() const;
(...skipping 15 matching lines...) Expand all
227 LayoutRect computeElementRect() const; 227 LayoutRect computeElementRect() const;
228 VisibleSelection selection() const; 228 VisibleSelection selection() const;
229 int indexForVisiblePosition(const VisiblePosition&) const; 229 int indexForVisiblePosition(const VisiblePosition&) const;
230 }; 230 };
231 231
232 DEFINE_AX_OBJECT_TYPE_CASTS(AXLayoutObject, isAXLayoutObject()); 232 DEFINE_AX_OBJECT_TYPE_CASTS(AXLayoutObject, isAXLayoutObject());
233 233
234 } // namespace blink 234 } // namespace blink
235 235
236 #endif // AXLayoutObject_h 236 #endif // AXLayoutObject_h
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