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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 #include "ui/views/controls/slide_out_view.h" | 5 #include "ui/views/controls/slide_out_view.h" |
6 | 6 |
7 #include "ui/compositor/layer.h" | 7 #include "ui/compositor/layer.h" |
8 #include "ui/compositor/scoped_layer_animation_settings.h" | 8 #include "ui/compositor/scoped_layer_animation_settings.h" |
9 #include "ui/gfx/transform.h" | 9 #include "ui/gfx/transform.h" |
10 | 10 |
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36 if (!event->IsScrollGestureEvent()) | 36 if (!event->IsScrollGestureEvent()) |
37 return ui::ER_UNHANDLED; | 37 return ui::ER_UNHANDLED; |
38 | 38 |
39 if (event->type() == ui::ET_GESTURE_SCROLL_BEGIN) { | 39 if (event->type() == ui::ET_GESTURE_SCROLL_BEGIN) { |
40 gesture_scroll_amount_ = 0.f; | 40 gesture_scroll_amount_ = 0.f; |
41 } else if (event->type() == ui::ET_GESTURE_SCROLL_UPDATE) { | 41 } else if (event->type() == ui::ET_GESTURE_SCROLL_UPDATE) { |
42 // The scroll-update events include the incremental scroll amount. | 42 // The scroll-update events include the incremental scroll amount. |
43 gesture_scroll_amount_ += event->details().scroll_x(); | 43 gesture_scroll_amount_ += event->details().scroll_x(); |
44 | 44 |
45 gfx::Transform transform; | 45 gfx::Transform transform; |
46 transform.SetTranslateX(gesture_scroll_amount_); | 46 transform.Translate(gesture_scroll_amount_, 0.0); |
47 layer()->SetTransform(transform); | 47 layer()->SetTransform(transform); |
48 layer()->SetOpacity( | 48 layer()->SetOpacity( |
49 1.f - std::min(fabsf(gesture_scroll_amount_) / width(), 1.f)); | 49 1.f - std::min(fabsf(gesture_scroll_amount_) / width(), 1.f)); |
50 } else if (event->type() == ui::ET_GESTURE_SCROLL_END) { | 50 } else if (event->type() == ui::ET_GESTURE_SCROLL_END) { |
51 const float kScrollRatioForClosingNotification = 0.5f; | 51 const float kScrollRatioForClosingNotification = 0.5f; |
52 float scrolled_ratio = fabsf(gesture_scroll_amount_) / width(); | 52 float scrolled_ratio = fabsf(gesture_scroll_amount_) / width(); |
53 if (scrolled_ratio >= kScrollRatioForClosingNotification) { | 53 if (scrolled_ratio >= kScrollRatioForClosingNotification) { |
54 SlideOutAndClose(gesture_scroll_amount_ < 0 ? SLIDE_LEFT : SLIDE_RIGHT); | 54 SlideOutAndClose(gesture_scroll_amount_ < 0 ? SLIDE_LEFT : SLIDE_RIGHT); |
55 return ui::ER_CONSUMED; | 55 return ui::ER_CONSUMED; |
56 } | 56 } |
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72 | 72 |
73 void SlideOutView::SlideOutAndClose(SlideDirection direction) { | 73 void SlideOutView::SlideOutAndClose(SlideDirection direction) { |
74 const int kSwipeOutTotalDurationMS = 150; | 74 const int kSwipeOutTotalDurationMS = 150; |
75 int swipe_out_duration = kSwipeOutTotalDurationMS * layer()->opacity(); | 75 int swipe_out_duration = kSwipeOutTotalDurationMS * layer()->opacity(); |
76 ui::ScopedLayerAnimationSettings settings(layer()->GetAnimator()); | 76 ui::ScopedLayerAnimationSettings settings(layer()->GetAnimator()); |
77 settings.SetTransitionDuration( | 77 settings.SetTransitionDuration( |
78 base::TimeDelta::FromMilliseconds(swipe_out_duration)); | 78 base::TimeDelta::FromMilliseconds(swipe_out_duration)); |
79 settings.AddObserver(this); | 79 settings.AddObserver(this); |
80 | 80 |
81 gfx::Transform transform; | 81 gfx::Transform transform; |
82 transform.SetTranslateX(direction == SLIDE_LEFT ? -width() : width()); | 82 transform.Translate(direction == SLIDE_LEFT ? -width() : width(), 0.0); |
83 layer()->SetTransform(transform); | 83 layer()->SetTransform(transform); |
84 layer()->SetOpacity(0.f); | 84 layer()->SetOpacity(0.f); |
85 } | 85 } |
86 | 86 |
87 void SlideOutView::OnImplicitAnimationsCompleted() { | 87 void SlideOutView::OnImplicitAnimationsCompleted() { |
88 OnSlideOut(); | 88 OnSlideOut(); |
89 } | 89 } |
90 | 90 |
91 } // namespace views | 91 } // namespace views |
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