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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_SELECTION_CONTROLLER_H_ | 5 #ifndef UI_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_H_ |
6 #define UI_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_H_ | 6 #define UI_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_H_ |
7 | 7 |
8 #include "ui/base/touch/selection_bound.h" | 8 #include "ui/base/touch/selection_bound.h" |
9 #include "ui/gfx/geometry/point_f.h" | 9 #include "ui/gfx/geometry/point_f.h" |
10 #include "ui/gfx/geometry/rect_f.h" | 10 #include "ui/gfx/geometry/rect_f.h" |
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31 const gfx::PointF& position) = 0; | 31 const gfx::PointF& position) = 0; |
32 virtual scoped_ptr<TouchHandleDrawable> CreateDrawable() = 0; | 32 virtual scoped_ptr<TouchHandleDrawable> CreateDrawable() = 0; |
33 }; | 33 }; |
34 | 34 |
35 // Controller for manipulating text selection via touch input. | 35 // Controller for manipulating text selection via touch input. |
36 class UI_TOUCH_SELECTION_EXPORT TouchSelectionController | 36 class UI_TOUCH_SELECTION_EXPORT TouchSelectionController |
37 : public TouchHandleClient { | 37 : public TouchHandleClient { |
38 public: | 38 public: |
39 TouchSelectionController(TouchSelectionControllerClient* client, | 39 TouchSelectionController(TouchSelectionControllerClient* client, |
40 base::TimeDelta tap_timeout, | 40 base::TimeDelta tap_timeout, |
41 float tap_slop); | 41 float tap_slop, |
| 42 bool show_on_tap_for_empty_editable); |
42 ~TouchSelectionController() override; | 43 ~TouchSelectionController() override; |
43 | 44 |
44 // To be called when the selection bounds have changed. | 45 // To be called when the selection bounds info has been updated. |
45 // Note that such updates will trigger handle updates only if preceded | 46 // Note that such updates will trigger handle updates only if preceded |
46 // by an appropriate call to allow automatic showing. | 47 // by an appropriate call to allow automatic showing. |
47 void OnSelectionBoundsChanged(const SelectionBound& start, | 48 void OnSelectionBoundsUpdated(const SelectionBound& start, |
48 const SelectionBound& end); | 49 const SelectionBound& end); |
49 | 50 |
50 // Allows touch-dragging of the handle. | 51 // Allows touch-dragging of the handle. |
51 // Returns true iff the event was consumed, in which case the caller should | 52 // Returns true iff the event was consumed, in which case the caller should |
52 // cease further handling of the event. | 53 // cease further handling of the event. |
53 bool WillHandleTouchEvent(const MotionEvent& event); | 54 bool WillHandleTouchEvent(const MotionEvent& event); |
54 | 55 |
55 // To be called before forwarding a tap event. This allows automatically | 56 // To be called before forwarding a tap event. This allows automatically |
56 // showing the insertion handle from subsequent bounds changes. | 57 // showing the insertion handle from subsequent bounds changes. |
57 void OnTapEvent(); | 58 void OnTapEvent(); |
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74 // To be called when the editability of the focused region changes. | 75 // To be called when the editability of the focused region changes. |
75 void OnSelectionEditable(bool editable); | 76 void OnSelectionEditable(bool editable); |
76 | 77 |
77 // To be called when the contents of the focused region changes. | 78 // To be called when the contents of the focused region changes. |
78 void OnSelectionEmpty(bool empty); | 79 void OnSelectionEmpty(bool empty); |
79 | 80 |
80 // Ticks an active animation, as requested to the client by |SetNeedsAnimate|. | 81 // Ticks an active animation, as requested to the client by |SetNeedsAnimate|. |
81 // Returns true if an animation is active and requires further ticking. | 82 // Returns true if an animation is active and requires further ticking. |
82 bool Animate(base::TimeTicks animate_time); | 83 bool Animate(base::TimeTicks animate_time); |
83 | 84 |
| 85 void TryActivateSelection(); |
| 86 |
| 87 const SelectionBound& start() const { return start_; } |
| 88 const SelectionBound& end() const { return end_; } |
| 89 |
| 90 bool is_insertion_active() const { return is_insertion_active_; } |
| 91 bool is_selection_active() const { return is_selection_active_; } |
| 92 |
84 private: | 93 private: |
| 94 friend class TouchSelectionControllerAuraTest; |
| 95 |
85 enum InputEventType { TAP, LONG_PRESS, INPUT_EVENT_TYPE_NONE }; | 96 enum InputEventType { TAP, LONG_PRESS, INPUT_EVENT_TYPE_NONE }; |
86 | 97 |
87 // TouchHandleClient implementation. | 98 // TouchHandleClient implementation. |
88 void OnHandleDragBegin(const TouchHandle& handle) override; | 99 void OnHandleDragBegin(const TouchHandle& handle) override; |
89 void OnHandleDragUpdate(const TouchHandle& handle, | 100 void OnHandleDragUpdate(const TouchHandle& handle, |
90 const gfx::PointF& new_position) override; | 101 const gfx::PointF& new_position) override; |
91 void OnHandleDragEnd(const TouchHandle& handle) override; | 102 void OnHandleDragEnd(const TouchHandle& handle) override; |
92 void OnHandleTapped(const TouchHandle& handle) override; | 103 void OnHandleTapped(const TouchHandle& handle) override; |
93 void SetNeedsAnimate() override; | 104 void SetNeedsAnimate() override; |
94 scoped_ptr<TouchHandleDrawable> CreateDrawable() override; | 105 scoped_ptr<TouchHandleDrawable> CreateDrawable() override; |
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108 void ResetCachedValuesIfInactive(); | 119 void ResetCachedValuesIfInactive(); |
109 | 120 |
110 const gfx::PointF& GetStartPosition() const; | 121 const gfx::PointF& GetStartPosition() const; |
111 const gfx::PointF& GetEndPosition() const; | 122 const gfx::PointF& GetEndPosition() const; |
112 gfx::Vector2dF GetStartLineOffset() const; | 123 gfx::Vector2dF GetStartLineOffset() const; |
113 gfx::Vector2dF GetEndLineOffset() const; | 124 gfx::Vector2dF GetEndLineOffset() const; |
114 bool GetStartVisible() const; | 125 bool GetStartVisible() const; |
115 bool GetEndVisible() const; | 126 bool GetEndVisible() const; |
116 TouchHandle::AnimationStyle GetAnimationStyle(bool was_active) const; | 127 TouchHandle::AnimationStyle GetAnimationStyle(bool was_active) const; |
117 | 128 |
| 129 TouchHandle* insertion_handle_for_testing() const { |
| 130 return insertion_handle_.get(); |
| 131 } |
| 132 |
118 TouchSelectionControllerClient* const client_; | 133 TouchSelectionControllerClient* const client_; |
119 const base::TimeDelta tap_timeout_; | 134 const base::TimeDelta tap_timeout_; |
120 const float tap_slop_; | 135 const float tap_slop_; |
121 | 136 |
| 137 // Controls whether an insertion handle is shown on a tap for an empty |
| 138 // editable selection. |
| 139 bool show_on_tap_for_empty_editable_; |
| 140 |
122 InputEventType response_pending_input_event_; | 141 InputEventType response_pending_input_event_; |
123 | 142 |
124 SelectionBound start_; | 143 SelectionBound start_; |
125 SelectionBound end_; | 144 SelectionBound end_; |
126 TouchHandleOrientation start_orientation_; | 145 TouchHandleOrientation start_orientation_; |
127 TouchHandleOrientation end_orientation_; | 146 TouchHandleOrientation end_orientation_; |
128 | 147 |
129 scoped_ptr<TouchHandle> insertion_handle_; | 148 scoped_ptr<TouchHandle> insertion_handle_; |
130 bool is_insertion_active_; | 149 bool is_insertion_active_; |
131 bool activate_insertion_automatically_; | 150 bool activate_insertion_automatically_; |
132 | 151 |
133 scoped_ptr<TouchHandle> start_selection_handle_; | 152 scoped_ptr<TouchHandle> start_selection_handle_; |
134 scoped_ptr<TouchHandle> end_selection_handle_; | 153 scoped_ptr<TouchHandle> end_selection_handle_; |
135 bool is_selection_active_; | 154 bool is_selection_active_; |
136 bool activate_selection_automatically_; | 155 bool activate_selection_automatically_; |
137 | 156 |
138 bool selection_empty_; | 157 bool selection_empty_; |
139 bool selection_editable_; | 158 bool selection_editable_; |
140 | 159 |
141 bool temporarily_hidden_; | 160 bool temporarily_hidden_; |
142 | 161 |
143 DISALLOW_COPY_AND_ASSIGN(TouchSelectionController); | 162 DISALLOW_COPY_AND_ASSIGN(TouchSelectionController); |
144 }; | 163 }; |
145 | 164 |
146 } // namespace ui | 165 } // namespace ui |
147 | 166 |
148 #endif // UI_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_H_ | 167 #endif // UI_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_H_ |
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