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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_SLIDE_OUT_VIEW_H_ | 5 #ifndef UI_VIEWS_CONTROLS_SLIDE_OUT_VIEW_H_ |
6 #define UI_VIEWS_CONTROLS_SLIDE_OUT_VIEW_H_ | 6 #define UI_VIEWS_CONTROLS_SLIDE_OUT_VIEW_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "ui/compositor/layer_animation_observer.h" | 9 #include "ui/compositor/layer_animation_observer.h" |
10 #include "ui/views/view.h" | 10 #include "ui/views/view.h" |
11 #include "ui/views/views_export.h" | 11 #include "ui/views/views_export.h" |
12 | 12 |
13 namespace views { | 13 namespace views { |
14 | 14 |
15 // A View that can be closed by a slide-out touch gesture. | 15 // A View that can be closed by a slide-out touch gesture. |
16 class VIEWS_EXPORT SlideOutView : public views::View, | 16 class VIEWS_EXPORT SlideOutView : public views::View, |
17 public ui::ImplicitAnimationObserver { | 17 public ui::ImplicitAnimationObserver { |
18 public: | 18 public: |
19 SlideOutView(); | 19 SlideOutView(); |
20 ~SlideOutView() override; | 20 ~SlideOutView() override; |
21 | 21 |
| 22 bool slide_out_enabled() { return is_slide_out_enabled_; } |
| 23 |
22 protected: | 24 protected: |
23 // Called when user intends to close the View by sliding it out. | 25 // Called when user intends to close the View by sliding it out. |
24 virtual void OnSlideOut() = 0; | 26 virtual void OnSlideOut() = 0; |
25 | 27 |
26 // Overridden from views::View. | 28 // Overridden from views::View. |
27 void OnGestureEvent(ui::GestureEvent* event) override; | 29 void OnGestureEvent(ui::GestureEvent* event) override; |
28 | 30 |
| 31 void set_slide_out_enabled(bool is_slide_out_enabled) { |
| 32 is_slide_out_enabled_ = is_slide_out_enabled; |
| 33 } |
| 34 |
29 private: | 35 private: |
30 enum SlideDirection { | 36 enum SlideDirection { |
31 SLIDE_LEFT, | 37 SLIDE_LEFT, |
32 SLIDE_RIGHT, | 38 SLIDE_RIGHT, |
33 }; | 39 }; |
34 | 40 |
35 // Restores the transform and opacity of the view. | 41 // Restores the transform and opacity of the view. |
36 void RestoreVisualState(); | 42 void RestoreVisualState(); |
37 | 43 |
38 // Slides the view out and closes it after the animation. | 44 // Slides the view out and closes it after the animation. |
39 void SlideOutAndClose(SlideDirection direction); | 45 void SlideOutAndClose(SlideDirection direction); |
40 | 46 |
41 // Overridden from ImplicitAnimationObserver. | 47 // Overridden from ImplicitAnimationObserver. |
42 void OnImplicitAnimationsCompleted() override; | 48 void OnImplicitAnimationsCompleted() override; |
43 | 49 |
44 float gesture_scroll_amount_; | 50 float gesture_amount_ = 0.f; |
| 51 bool is_slide_out_enabled_ = true; |
45 | 52 |
46 DISALLOW_COPY_AND_ASSIGN(SlideOutView); | 53 DISALLOW_COPY_AND_ASSIGN(SlideOutView); |
47 }; | 54 }; |
48 | 55 |
49 } // namespace views | 56 } // namespace views |
50 | 57 |
51 #endif // UI_VIEWS_CONTROLS_SLIDE_OUT_VIEW_H_ | 58 #endif // UI_VIEWS_CONTROLS_SLIDE_OUT_VIEW_H_ |
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