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Side by Side Diff: ui/base/accessibility/accessible_text_utils.h

Issue 93863005: ui: Rename ui_export.h to ui_base_export.h (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: UI_BASE_IMPLEMENTATION Created 6 years, 11 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef UI_BASE_ACCESSIBILITY_ACCESSIBLE_TEXT_UTILS_H_ 5 #ifndef UI_BASE_ACCESSIBILITY_ACCESSIBLE_TEXT_UTILS_H_
6 #define UI_BASE_ACCESSIBILITY_ACCESSIBLE_TEXT_UTILS_H_ 6 #define UI_BASE_ACCESSIBILITY_ACCESSIBLE_TEXT_UTILS_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
11 #include "base/strings/string16.h" 11 #include "base/strings/string16.h"
12 #include "ui/base/ui_export.h" 12 #include "ui/base/ui_base_export.h"
13 13
14 namespace ui { 14 namespace ui {
15 15
16 // Boundaries that can be passed to FindAccessibleTextBoundary, 16 // Boundaries that can be passed to FindAccessibleTextBoundary,
17 // representing various visual boundaries in (potentially multi-line) 17 // representing various visual boundaries in (potentially multi-line)
18 // text. This is used by assistive technology in order to, for example, 18 // text. This is used by assistive technology in order to, for example,
19 // retrieve the nearest word to the cursor, or retrieve all of the 19 // retrieve the nearest word to the cursor, or retrieve all of the
20 // text from the current cursor position to the end of the line. 20 // text from the current cursor position to the end of the line.
21 // These should be self-explanatory; "line" here refers to the visual 21 // These should be self-explanatory; "line" here refers to the visual
22 // line as currently displayed (possibly affected by wrapping). 22 // line as currently displayed (possibly affected by wrapping).
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35 FORWARDS_DIRECTION, 35 FORWARDS_DIRECTION,
36 // Search backwards for the previous boundary before the starting position. 36 // Search backwards for the previous boundary before the starting position.
37 BACKWARDS_DIRECTION 37 BACKWARDS_DIRECTION
38 }; 38 };
39 39
40 // Convenience method needed to implement platform-specific text 40 // Convenience method needed to implement platform-specific text
41 // accessibility APIs like IAccessible2. Search forwards or backwards 41 // accessibility APIs like IAccessible2. Search forwards or backwards
42 // (depending on |direction|) from the given |start_offset| until the 42 // (depending on |direction|) from the given |start_offset| until the
43 // given boundary is found, and return the offset of that boundary, 43 // given boundary is found, and return the offset of that boundary,
44 // using the vector of line break character offsets in |line_breaks|. 44 // using the vector of line break character offsets in |line_breaks|.
45 size_t UI_EXPORT FindAccessibleTextBoundary(const base::string16& text, 45 size_t UI_BASE_EXPORT
46 const std::vector<int>& line_breaks, 46 FindAccessibleTextBoundary(const base::string16& text,
47 TextBoundaryType boundary, 47 const std::vector<int>& line_breaks,
48 size_t start_offset, 48 TextBoundaryType boundary,
49 TextBoundaryDirection direction); 49 size_t start_offset,
50 TextBoundaryDirection direction);
50 51
51 } // namespace ui 52 } // namespace ui
52 53
53 #endif // UI_BASE_ACCESSIBILITY_ACCESSIBLE_TEXT_UTILS_H_ 54 #endif // UI_BASE_ACCESSIBILITY_ACCESSIBLE_TEXT_UTILS_H_
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