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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_TOUCH_SELECTION_TOUCH_HANDLE_H_ | 5 #ifndef UI_TOUCH_SELECTION_TOUCH_HANDLE_H_ |
| 6 #define UI_TOUCH_SELECTION_TOUCH_HANDLE_H_ | 6 #define UI_TOUCH_SELECTION_TOUCH_HANDLE_H_ |
| 7 | 7 |
| 8 #include <memory> |
| 9 |
| 8 #include "base/logging.h" | 10 #include "base/logging.h" |
| 9 #include "base/macros.h" | 11 #include "base/macros.h" |
| 10 #include "base/memory/scoped_ptr.h" | |
| 11 #include "base/time/time.h" | 12 #include "base/time/time.h" |
| 12 #include "ui/events/gesture_detection/motion_event.h" | 13 #include "ui/events/gesture_detection/motion_event.h" |
| 13 #include "ui/gfx/geometry/point_f.h" | 14 #include "ui/gfx/geometry/point_f.h" |
| 14 #include "ui/gfx/geometry/rect_f.h" | 15 #include "ui/gfx/geometry/rect_f.h" |
| 15 #include "ui/gfx/geometry/vector2d_f.h" | 16 #include "ui/gfx/geometry/vector2d_f.h" |
| 16 #include "ui/touch_selection/touch_handle_orientation.h" | 17 #include "ui/touch_selection/touch_handle_orientation.h" |
| 17 #include "ui/touch_selection/touch_selection_draggable.h" | 18 #include "ui/touch_selection/touch_selection_draggable.h" |
| 18 #include "ui/touch_selection/ui_touch_selection_export.h" | 19 #include "ui/touch_selection/ui_touch_selection_export.h" |
| 19 | 20 |
| 20 namespace ui { | 21 namespace ui { |
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| 53 }; | 54 }; |
| 54 | 55 |
| 55 // Interface through which |TouchHandle| communicates handle manipulation and | 56 // Interface through which |TouchHandle| communicates handle manipulation and |
| 56 // requests concrete drawable instances. | 57 // requests concrete drawable instances. |
| 57 class UI_TOUCH_SELECTION_EXPORT TouchHandleClient | 58 class UI_TOUCH_SELECTION_EXPORT TouchHandleClient |
| 58 : public TouchSelectionDraggableClient { | 59 : public TouchSelectionDraggableClient { |
| 59 public: | 60 public: |
| 60 ~TouchHandleClient() override {} | 61 ~TouchHandleClient() override {} |
| 61 virtual void OnHandleTapped(const TouchHandle& handle) = 0; | 62 virtual void OnHandleTapped(const TouchHandle& handle) = 0; |
| 62 virtual void SetNeedsAnimate() = 0; | 63 virtual void SetNeedsAnimate() = 0; |
| 63 virtual scoped_ptr<TouchHandleDrawable> CreateDrawable() = 0; | 64 virtual std::unique_ptr<TouchHandleDrawable> CreateDrawable() = 0; |
| 64 virtual base::TimeDelta GetMaxTapDuration() const = 0; | 65 virtual base::TimeDelta GetMaxTapDuration() const = 0; |
| 65 virtual bool IsAdaptiveHandleOrientationEnabled() const = 0; | 66 virtual bool IsAdaptiveHandleOrientationEnabled() const = 0; |
| 66 }; | 67 }; |
| 67 | 68 |
| 68 // Responsible for displaying a selection or insertion handle for text | 69 // Responsible for displaying a selection or insertion handle for text |
| 69 // interaction. | 70 // interaction. |
| 70 class UI_TOUCH_SELECTION_EXPORT TouchHandle : public TouchSelectionDraggable { | 71 class UI_TOUCH_SELECTION_EXPORT TouchHandle : public TouchSelectionDraggable { |
| 71 public: | 72 public: |
| 72 // The drawable will be enabled but invisible until otherwise specified. | 73 // The drawable will be enabled but invisible until otherwise specified. |
| 73 TouchHandle(TouchHandleClient* client, | 74 TouchHandle(TouchHandleClient* client, |
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| 124 | 125 |
| 125 private: | 126 private: |
| 126 gfx::PointF ComputeHandleOrigin() const; | 127 gfx::PointF ComputeHandleOrigin() const; |
| 127 void BeginDrag(); | 128 void BeginDrag(); |
| 128 void EndDrag(); | 129 void EndDrag(); |
| 129 void BeginFade(); | 130 void BeginFade(); |
| 130 void EndFade(); | 131 void EndFade(); |
| 131 void SetAlpha(float alpha); | 132 void SetAlpha(float alpha); |
| 132 void SetUpdateLayoutRequired(); | 133 void SetUpdateLayoutRequired(); |
| 133 | 134 |
| 134 scoped_ptr<TouchHandleDrawable> drawable_; | 135 std::unique_ptr<TouchHandleDrawable> drawable_; |
| 135 | 136 |
| 136 TouchHandleClient* const client_; | 137 TouchHandleClient* const client_; |
| 137 | 138 |
| 138 gfx::PointF focus_bottom_; | 139 gfx::PointF focus_bottom_; |
| 139 gfx::PointF focus_top_; | 140 gfx::PointF focus_top_; |
| 140 gfx::RectF viewport_rect_; | 141 gfx::RectF viewport_rect_; |
| 141 TouchHandleOrientation orientation_; | 142 TouchHandleOrientation orientation_; |
| 142 TouchHandleOrientation deferred_orientation_; | 143 TouchHandleOrientation deferred_orientation_; |
| 143 | 144 |
| 144 gfx::PointF touch_down_position_; | 145 gfx::PointF touch_down_position_; |
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| 163 bool mirror_vertical_; | 164 bool mirror_vertical_; |
| 164 bool mirror_horizontal_; | 165 bool mirror_horizontal_; |
| 165 float handle_horizontal_padding_; | 166 float handle_horizontal_padding_; |
| 166 | 167 |
| 167 DISALLOW_COPY_AND_ASSIGN(TouchHandle); | 168 DISALLOW_COPY_AND_ASSIGN(TouchHandle); |
| 168 }; | 169 }; |
| 169 | 170 |
| 170 } // namespace ui | 171 } // namespace ui |
| 171 | 172 |
| 172 #endif // UI_TOUCH_SELECTION_TOUCH_HANDLE_H_ | 173 #endif // UI_TOUCH_SELECTION_TOUCH_HANDLE_H_ |
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