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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 VIEWS_WIDGET_FOCUS_SEARCH_H_ | 5 #ifndef VIEWS_WIDGET_FOCUS_SEARCH_H_ |
| 6 #define VIEWS_WIDGET_FOCUS_SEARCH_H_ | 6 #define VIEWS_WIDGET_FOCUS_SEARCH_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "views/view.h" | 9 #include "views/view.h" |
| 10 | 10 |
| 11 namespace views { | 11 namespace views { |
| 12 | 12 |
| 13 class FocusTraversable; | 13 class FocusTraversable; |
| 14 | 14 |
| 15 // FocusSearch is an object that implements the algorithm to find the | 15 // FocusSearch is an object that implements the algorithm to find the |
| 16 // next view to focus. | 16 // next view to focus. |
| 17 class VIEWS_API FocusSearch { | 17 class VIEWS_EXPORT FocusSearch { |
| 18 public: | 18 public: |
| 19 // The direction in which the focus traversal is going. | 19 // The direction in which the focus traversal is going. |
| 20 // TODO (jcampan): add support for lateral (left, right) focus traversal. The | 20 // TODO (jcampan): add support for lateral (left, right) focus traversal. The |
| 21 // goal is to switch to focusable views on the same level when using the arrow | 21 // goal is to switch to focusable views on the same level when using the arrow |
| 22 // keys (ala Windows: in a dialog box, arrow keys typically move between the | 22 // keys (ala Windows: in a dialog box, arrow keys typically move between the |
| 23 // dialog OK, Cancel buttons). | 23 // dialog OK, Cancel buttons). |
| 24 enum Direction { | 24 enum Direction { |
| 25 UP = 0, | 25 UP = 0, |
| 26 DOWN | 26 DOWN |
| 27 }; | 27 }; |
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| 113 View* root_; | 113 View* root_; |
| 114 bool cycle_; | 114 bool cycle_; |
| 115 bool accessibility_mode_; | 115 bool accessibility_mode_; |
| 116 | 116 |
| 117 DISALLOW_COPY_AND_ASSIGN(FocusSearch); | 117 DISALLOW_COPY_AND_ASSIGN(FocusSearch); |
| 118 }; | 118 }; |
| 119 | 119 |
| 120 } // namespace views | 120 } // namespace views |
| 121 | 121 |
| 122 #endif // VIEWS_WIDGET_FOCUS_SEARCH_H_ | 122 #endif // VIEWS_WIDGET_FOCUS_SEARCH_H_ |
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