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Side by Side Diff: public/web/WebAXObject.h

Issue 1185343003: Implements the ability to get and set the caret position and the current selection from anywhere in… (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Fixed retrieving the selection in text controls. Created 5 years, 5 months ago
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1 /* 1 /*
2 * Copyright (C) 2009 Google Inc. All rights reserved. 2 * Copyright (C) 2009 Google 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 are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * 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 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
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149 // Only used when invalidState() returns WebAXInvalidStateOther. 149 // Only used when invalidState() returns WebAXInvalidStateOther.
150 BLINK_EXPORT WebString ariaInvalidValue() const; 150 BLINK_EXPORT WebString ariaInvalidValue() const;
151 BLINK_EXPORT double estimatedLoadingProgress() const; 151 BLINK_EXPORT double estimatedLoadingProgress() const;
152 BLINK_EXPORT int headingLevel() const; 152 BLINK_EXPORT int headingLevel() const;
153 BLINK_EXPORT int hierarchicalLevel() const; 153 BLINK_EXPORT int hierarchicalLevel() const;
154 BLINK_EXPORT WebAXObject hitTest(const WebPoint&) const; 154 BLINK_EXPORT WebAXObject hitTest(const WebPoint&) const;
155 BLINK_EXPORT WebString keyboardShortcut() const; 155 BLINK_EXPORT WebString keyboardShortcut() const;
156 BLINK_EXPORT WebString language() const; 156 BLINK_EXPORT WebString language() const;
157 BLINK_EXPORT WebAXOrientation orientation() const; 157 BLINK_EXPORT WebAXOrientation orientation() const;
158 BLINK_EXPORT WebAXRole role() const; 158 BLINK_EXPORT WebAXRole role() const;
159 BLINK_EXPORT unsigned selectionEnd() const;
160 BLINK_EXPORT unsigned selectionEndLineNumber() const;
161 BLINK_EXPORT unsigned selectionStart() const;
162 BLINK_EXPORT unsigned selectionStartLineNumber() const;
163 BLINK_EXPORT WebString stringValue() const; 159 BLINK_EXPORT WebString stringValue() const;
164 BLINK_EXPORT WebAXTextDirection textDirection() const; 160 BLINK_EXPORT WebAXTextDirection textDirection() const;
165 BLINK_EXPORT WebAXTextStyle textStyle() const; 161 BLINK_EXPORT WebAXTextStyle textStyle() const;
166 BLINK_EXPORT WebURL url() const; 162 BLINK_EXPORT WebURL url() const;
167 163
168 // Deprecated text alternative calculation API. All of these will be replace d 164 // Deprecated text alternative calculation API. All of these will be replace d
169 // with the new API, below (under "New text alternative calculation API". 165 // with the new API, below (under "New text alternative calculation API".
170 BLINK_EXPORT WebString deprecatedAccessibilityDescription() const; 166 BLINK_EXPORT WebString deprecatedAccessibilityDescription() const;
171 BLINK_EXPORT bool deprecatedAriaDescribedby(WebVector<WebAXObject>& describe dbyElements) const; 167 BLINK_EXPORT bool deprecatedAriaDescribedby(WebVector<WebAXObject>& describe dbyElements) const;
172 BLINK_EXPORT bool deprecatedAriaLabelledby(WebVector<WebAXObject>& labelledb yElements) const; 168 BLINK_EXPORT bool deprecatedAriaLabelledby(WebVector<WebAXObject>& labelledb yElements) const;
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193 // Takes the result of nameFrom from calling |name|, above, and retrieves th e 189 // Takes the result of nameFrom from calling |name|, above, and retrieves th e
194 // accessible description of the object, which is secondary to |name|, an en um indicating 190 // accessible description of the object, which is secondary to |name|, an en um indicating
195 // where the description was derived from, and a list of objects that were u sed to 191 // where the description was derived from, and a list of objects that were u sed to
196 // derive the description, if any. 192 // derive the description, if any.
197 BLINK_EXPORT WebString description(WebAXNameFrom, WebAXDescriptionFrom&, Web Vector<WebAXObject>& descriptionObjects); 193 BLINK_EXPORT WebString description(WebAXNameFrom, WebAXDescriptionFrom&, Web Vector<WebAXObject>& descriptionObjects);
198 // Takes the result of nameFrom and descriptionFrom from calling |name| and |description|, 194 // Takes the result of nameFrom and descriptionFrom from calling |name| and |description|,
199 // above, and retrieves the placeholder of the object, if present and if it wasn't already 195 // above, and retrieves the placeholder of the object, if present and if it wasn't already
200 // exposed by one of the two functions above. 196 // exposed by one of the two functions above.
201 BLINK_EXPORT WebString placeholder(WebAXNameFrom, WebAXDescriptionFrom); 197 BLINK_EXPORT WebString placeholder(WebAXNameFrom, WebAXDescriptionFrom);
202 198
199 // The following selection functions get or set the global document
200 // selection and can be called on any object in the tree.
201 BLINK_EXPORT void selection(WebAXObject& anchorObject, int& anchorOffset,
202 WebAXObject& focusObject, int& focusOffset) const;
203 BLINK_EXPORT void setSelection(const WebAXObject& anchorObject, int anchorOf fset,
204 const WebAXObject& focusObject, int focusOffset) const;
205
206 // The following selection functions return text offsets calculated starting
207 // the current object. They only report on a selection that is placed on
208 // the current object or on any of its descendants.
209 BLINK_EXPORT unsigned selectionEnd() const;
210 BLINK_EXPORT unsigned selectionEndLineNumber() const;
211 BLINK_EXPORT unsigned selectionStart() const;
212 BLINK_EXPORT unsigned selectionStartLineNumber() const;
213
203 // 1-based position in set & Size of set. 214 // 1-based position in set & Size of set.
204 BLINK_EXPORT int posInSet() const; 215 BLINK_EXPORT int posInSet() const;
205 BLINK_EXPORT int setSize() const; 216 BLINK_EXPORT int setSize() const;
206 217
207 // Live regions. 218 // Live regions.
208 BLINK_EXPORT bool isInLiveRegion() const; 219 BLINK_EXPORT bool isInLiveRegion() const;
209 BLINK_EXPORT bool liveRegionAtomic() const; 220 BLINK_EXPORT bool liveRegionAtomic() const;
210 BLINK_EXPORT bool liveRegionBusy() const; 221 BLINK_EXPORT bool liveRegionBusy() const;
211 BLINK_EXPORT WebString liveRegionRelevant() const; 222 BLINK_EXPORT WebString liveRegionRelevant() const;
212 BLINK_EXPORT WebString liveRegionStatus() const; 223 BLINK_EXPORT WebString liveRegionStatus() const;
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303 operator WTF::PassRefPtr<AXObject>() const; 314 operator WTF::PassRefPtr<AXObject>() const;
304 #endif 315 #endif
305 316
306 private: 317 private:
307 WebPrivatePtr<AXObject> m_private; 318 WebPrivatePtr<AXObject> m_private;
308 }; 319 };
309 320
310 } // namespace blink 321 } // namespace blink
311 322
312 #endif 323 #endif
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