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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "ui/views/controls/slide_out_view_impl.h" | |
6 | |
7 #include "ui/compositor/layer.h" | |
8 #include "ui/compositor/scoped_layer_animation_settings.h" | |
9 #include "ui/gfx/transform.h" | |
10 #include "ui/views/controls/slide_out_view.h" | |
11 | |
12 namespace views { | |
13 | |
14 SlideOutViewImpl::SlideOutViewImpl(SlideOutView* view) | |
15 : view_(view) { | |
16 view->SetPaintToLayer(true); | |
17 view->SetFillsBoundsOpaquely(false); | |
18 } | |
19 | |
20 SlideOutViewImpl::~SlideOutViewImpl() { | |
21 } | |
22 | |
23 void SlideOutViewImpl::TransformView(float scroll_amount) { | |
24 gfx::Transform transform; | |
msw
2013/01/17 02:28:30
Perhaps it's just me, but I'd rather see these imp
sadrul
2013/01/17 03:27:22
I agree. That would be simpler.
dewittj
2013/01/17 21:25:18
Done.
| |
25 transform.Translate(scroll_amount, 0.0); | |
26 view_->layer()->SetTransform(transform); | |
27 view_->layer()->SetOpacity( | |
28 1.f - std::min(fabsf(scroll_amount) / view_->width(), 1.f)); | |
29 } | |
30 | |
31 void SlideOutViewImpl::RestoreView() { | |
32 const int kSwipeRestoreDurationMS = 150; | |
33 ui::ScopedLayerAnimationSettings settings(view_->layer()->GetAnimator()); | |
34 settings.SetTransitionDuration( | |
35 base::TimeDelta::FromMilliseconds(kSwipeRestoreDurationMS)); | |
36 view_->layer()->SetTransform(gfx::Transform()); | |
37 view_->layer()->SetOpacity(1.f); | |
38 } | |
39 | |
40 void SlideOutViewImpl::HideView(SlideOutView::SlideDirection direction) { | |
41 const int kSwipeOutTotalDurationMS = 150; | |
42 int swipe_out_duration = kSwipeOutTotalDurationMS * view_->layer()->opacity(); | |
43 ui::ScopedLayerAnimationSettings settings(view_->layer()->GetAnimator()); | |
44 settings.SetTransitionDuration( | |
45 base::TimeDelta::FromMilliseconds(swipe_out_duration)); | |
46 settings.AddObserver(view_); | |
47 | |
48 gfx::Transform transform; | |
49 if (direction == SlideOutView::SLIDE_LEFT) | |
50 transform.Translate(-view_->width(), 0.0); | |
51 else | |
52 transform.Translate(view_->width(), 0.0); | |
53 view_->layer()->SetTransform(transform); | |
54 view_->layer()->SetOpacity(0.f); | |
55 } | |
56 | |
57 } // namespace views | |
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