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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_VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_H_ | 5 #ifndef UI_VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_H_ |
6 #define UI_VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_H_ | 6 #define UI_VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_H_ |
7 | 7 |
8 #include "ui/views/context_menu_controller.h" | 8 #include "ui/views/context_menu_controller.h" |
9 #include "ui/views/controls/button/image_button.h" | 9 #include "ui/views/controls/button/image_button.h" |
10 #include "ui/views/controls/menu/menu_delegate.h" | 10 #include "ui/views/controls/menu/menu_delegate.h" |
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92 // Wrapper functions that calls the controller. We need this since native | 92 // Wrapper functions that calls the controller. We need this since native |
93 // scrollbars wrap around a different scrollbar. When calling the controller | 93 // scrollbars wrap around a different scrollbar. When calling the controller |
94 // we need to pass in the appropriate scrollbar. For normal scrollbars it's | 94 // we need to pass in the appropriate scrollbar. For normal scrollbars it's |
95 // the |this| scrollbar, for native scrollbars it's the native scrollbar used | 95 // the |this| scrollbar, for native scrollbars it's the native scrollbar used |
96 // to create this. | 96 // to create this. |
97 virtual void ScrollToPosition(int position); | 97 virtual void ScrollToPosition(int position); |
98 virtual int GetScrollIncrement(bool is_page, bool is_positive); | 98 virtual int GetScrollIncrement(bool is_page, bool is_positive); |
99 | 99 |
100 private: | 100 private: |
101 // Changes to 'pushed' state and starts a timer to scroll repeatedly. | 101 // Changes to 'pushed' state and starts a timer to scroll repeatedly. |
102 void ProcessPressEvent(const LocatedEvent& event); | 102 void ProcessPressEvent(const ui::LocatedEvent& event); |
103 | 103 |
104 // Resets state to 'normal' and stops the repeater. | 104 // Resets state to 'normal' and stops the repeater. |
105 void ResetState(); | 105 void ResetState(); |
106 | 106 |
107 // Called when the mouse is pressed down in the track area. | 107 // Called when the mouse is pressed down in the track area. |
108 void TrackClicked(); | 108 void TrackClicked(); |
109 | 109 |
110 // Responsible for scrolling the contents and also updating the UI to the | 110 // Responsible for scrolling the contents and also updating the UI to the |
111 // current value of the Scroll Offset. | 111 // current value of the Scroll Offset. |
112 void ScrollContentsToOffset(); | 112 void ScrollContentsToOffset(); |
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155 int context_menu_mouse_position_; | 155 int context_menu_mouse_position_; |
156 | 156 |
157 scoped_ptr<MenuRunner> menu_runner_; | 157 scoped_ptr<MenuRunner> menu_runner_; |
158 | 158 |
159 DISALLOW_COPY_AND_ASSIGN(BaseScrollBar); | 159 DISALLOW_COPY_AND_ASSIGN(BaseScrollBar); |
160 }; | 160 }; |
161 | 161 |
162 } // namespace views | 162 } // namespace views |
163 | 163 |
164 #endif // UI_VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_H_ | 164 #endif // UI_VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_H_ |
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