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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/app_list/views/pulsing_block_view.h" | 5 #include "ui/app_list/views/pulsing_block_view.h" |
| 6 | 6 |
| 7 #include <stddef.h> | 7 #include <stddef.h> |
| 8 | 8 |
| 9 #include <memory> | 9 #include <memory> |
| 10 #include <vector> | 10 #include <vector> |
| 11 | 11 |
| 12 #include "base/macros.h" | 12 #include "base/macros.h" |
| 13 #include "base/memory/ptr_util.h" | 13 #include "base/memory/ptr_util.h" |
| 14 #include "base/rand_util.h" | 14 #include "base/rand_util.h" |
| 15 #include "third_party/skia/include/core/SkColor.h" | 15 #include "third_party/skia/include/core/SkColor.h" |
| 16 #include "ui/compositor/layer.h" | 16 #include "ui/compositor/layer.h" |
| 17 #include "ui/compositor/layer_animation_element.h" | 17 #include "ui/compositor/layer_animation_element.h" |
| 18 #include "ui/compositor/layer_animation_sequence.h" | 18 #include "ui/compositor/layer_animation_sequence.h" |
| 19 #include "ui/compositor/layer_animator.h" | 19 #include "ui/compositor/layer_animator.h" |
| 20 #include "ui/compositor/layer_type.h" |
| 20 #include "ui/gfx/canvas.h" | 21 #include "ui/gfx/canvas.h" |
| 21 #include "ui/gfx/transform_util.h" | 22 #include "ui/gfx/transform_util.h" |
| 22 | 23 |
| 23 namespace { | 24 namespace { |
| 24 | 25 |
| 25 const SkColor kBlockColor = SkColorSetRGB(225, 225, 225); | 26 const SkColor kBlockColor = SkColorSetRGB(225, 225, 225); |
| 26 const int kBlockSize = 64; | 27 const int kBlockSize = 64; |
| 27 | 28 |
| 28 const int kAnimationDurationInMs = 600; | 29 const int kAnimationDurationInMs = 600; |
| 29 const float kAnimationOpacity[] = { 0.4f, 0.8f, 0.4f }; | 30 const float kAnimationOpacity[] = { 0.4f, 0.8f, 0.4f }; |
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| 69 animations.push_back(opacity_sequence.release()); | 70 animations.push_back(opacity_sequence.release()); |
| 70 animations.push_back(transform_sequence.release()); | 71 animations.push_back(transform_sequence.release()); |
| 71 layer->GetAnimator()->ScheduleTogether(animations); | 72 layer->GetAnimator()->ScheduleTogether(animations); |
| 72 } | 73 } |
| 73 | 74 |
| 74 } // namespace | 75 } // namespace |
| 75 | 76 |
| 76 namespace app_list { | 77 namespace app_list { |
| 77 | 78 |
| 78 PulsingBlockView::PulsingBlockView(const gfx::Size& size, bool start_delay) { | 79 PulsingBlockView::PulsingBlockView(const gfx::Size& size, bool start_delay) { |
| 79 SetPaintToLayer(true); | 80 SetPaintToLayer(ui::LAYER_TEXTURED); |
| 80 layer()->SetFillsBoundsOpaquely(false); | 81 layer()->SetFillsBoundsOpaquely(false); |
| 81 | 82 |
| 82 const int max_delay = kAnimationDurationInMs * arraysize(kAnimationOpacity); | 83 const int max_delay = kAnimationDurationInMs * arraysize(kAnimationOpacity); |
| 83 const int delay = start_delay ? base::RandInt(0, max_delay) : 0; | 84 const int delay = start_delay ? base::RandInt(0, max_delay) : 0; |
| 84 start_delay_timer_.Start( | 85 start_delay_timer_.Start( |
| 85 FROM_HERE, | 86 FROM_HERE, |
| 86 base::TimeDelta::FromMilliseconds(delay), | 87 base::TimeDelta::FromMilliseconds(delay), |
| 87 this, &PulsingBlockView::OnStartDelayTimer); | 88 this, &PulsingBlockView::OnStartDelayTimer); |
| 88 } | 89 } |
| 89 | 90 |
| 90 PulsingBlockView::~PulsingBlockView() { | 91 PulsingBlockView::~PulsingBlockView() { |
| 91 } | 92 } |
| 92 | 93 |
| 93 void PulsingBlockView::OnStartDelayTimer() { | 94 void PulsingBlockView::OnStartDelayTimer() { |
| 94 SchedulePulsingAnimation(layer()); | 95 SchedulePulsingAnimation(layer()); |
| 95 } | 96 } |
| 96 | 97 |
| 97 void PulsingBlockView::OnPaint(gfx::Canvas* canvas) { | 98 void PulsingBlockView::OnPaint(gfx::Canvas* canvas) { |
| 98 gfx::Rect rect(GetContentsBounds()); | 99 gfx::Rect rect(GetContentsBounds()); |
| 99 rect.ClampToCenteredSize(gfx::Size(kBlockSize, kBlockSize)); | 100 rect.ClampToCenteredSize(gfx::Size(kBlockSize, kBlockSize)); |
| 100 canvas->FillRect(rect, kBlockColor); | 101 canvas->FillRect(rect, kBlockColor); |
| 101 } | 102 } |
| 102 | 103 |
| 103 } // namespace app_list | 104 } // namespace app_list |
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