OLD | NEW |
| (Empty) |
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 "ash/wallpaper/wallpaper_widget_controller.h" | |
6 | |
7 #include "ash/ash_export.h" | |
8 #include "ash/common/wallpaper/wallpaper_delegate.h" | |
9 #include "ash/common/wm_lookup.h" | |
10 #include "ash/common/wm_shell.h" | |
11 #include "ash/common/wm_window.h" | |
12 #include "ash/root_window_controller.h" | |
13 #include "ui/aura/window.h" | |
14 #include "ui/compositor/layer_animation_observer.h" | |
15 #include "ui/compositor/scoped_layer_animation_settings.h" | |
16 #include "ui/views/widget/widget.h" | |
17 | |
18 namespace ash { | |
19 namespace { | |
20 | |
21 class ShowWallpaperAnimationObserver : public ui::ImplicitAnimationObserver, | |
22 public views::WidgetObserver { | |
23 public: | |
24 ShowWallpaperAnimationObserver(RootWindowController* root_window_controller, | |
25 views::Widget* wallpaper_widget, | |
26 bool is_initial_animation) | |
27 : root_window_controller_(root_window_controller), | |
28 wallpaper_widget_(wallpaper_widget), | |
29 is_initial_animation_(is_initial_animation) { | |
30 DCHECK(wallpaper_widget_); | |
31 wallpaper_widget_->AddObserver(this); | |
32 } | |
33 | |
34 ~ShowWallpaperAnimationObserver() override { | |
35 StopObservingImplicitAnimations(); | |
36 if (wallpaper_widget_) | |
37 wallpaper_widget_->RemoveObserver(this); | |
38 } | |
39 | |
40 private: | |
41 // Overridden from ui::ImplicitAnimationObserver: | |
42 void OnImplicitAnimationsScheduled() override { | |
43 if (is_initial_animation_) { | |
44 root_window_controller_->HandleInitialWallpaperAnimationStarted(); | |
45 } | |
46 } | |
47 | |
48 void OnImplicitAnimationsCompleted() override { | |
49 root_window_controller_->OnWallpaperAnimationFinished(wallpaper_widget_); | |
50 delete this; | |
51 } | |
52 | |
53 // Overridden from views::WidgetObserver. | |
54 void OnWidgetDestroying(views::Widget* widget) override { delete this; } | |
55 | |
56 RootWindowController* root_window_controller_; | |
57 views::Widget* wallpaper_widget_; | |
58 | |
59 // Is this object observing the initial brightness/grayscale animation? | |
60 const bool is_initial_animation_; | |
61 | |
62 DISALLOW_COPY_AND_ASSIGN(ShowWallpaperAnimationObserver); | |
63 }; | |
64 | |
65 } // namespace | |
66 | |
67 WallpaperWidgetController::WallpaperWidgetController(views::Widget* widget) | |
68 : widget_(widget), | |
69 widget_parent_(WmLookup::Get()->GetWindowForWidget(widget)->GetParent()) { | |
70 DCHECK(widget_); | |
71 widget_->AddObserver(this); | |
72 widget_parent_->AddObserver(this); | |
73 } | |
74 | |
75 WallpaperWidgetController::~WallpaperWidgetController() { | |
76 if (widget_) { | |
77 views::Widget* widget = widget_; | |
78 RemoveObservers(); | |
79 widget->CloseNow(); | |
80 } | |
81 } | |
82 | |
83 void WallpaperWidgetController::OnWidgetDestroying(views::Widget* widget) { | |
84 RemoveObservers(); | |
85 } | |
86 | |
87 void WallpaperWidgetController::SetBounds(const gfx::Rect& bounds) { | |
88 if (widget_) | |
89 widget_->SetBounds(bounds); | |
90 } | |
91 | |
92 bool WallpaperWidgetController::Reparent(aura::Window* root_window, | |
93 int container) { | |
94 if (widget_) { | |
95 widget_parent_->RemoveObserver(this); | |
96 views::Widget::ReparentNativeView(widget_->GetNativeView(), | |
97 root_window->GetChildById(container)); | |
98 widget_parent_ = WmLookup::Get()->GetWindowForWidget(widget_)->GetParent(); | |
99 widget_parent_->AddObserver(this); | |
100 return true; | |
101 } | |
102 // Nothing to reparent. | |
103 return false; | |
104 } | |
105 | |
106 void WallpaperWidgetController::RemoveObservers() { | |
107 widget_parent_->RemoveObserver(this); | |
108 widget_->RemoveObserver(this); | |
109 widget_ = nullptr; | |
110 } | |
111 | |
112 void WallpaperWidgetController::OnWindowBoundsChanged( | |
113 WmWindow* window, | |
114 const gfx::Rect& old_bounds, | |
115 const gfx::Rect& new_bounds) { | |
116 SetBounds(new_bounds); | |
117 } | |
118 | |
119 void WallpaperWidgetController::StartAnimating( | |
120 RootWindowController* root_window_controller) { | |
121 if (widget_) { | |
122 ui::ScopedLayerAnimationSettings settings( | |
123 widget_->GetNativeView()->layer()->GetAnimator()); | |
124 settings.AddObserver(new ShowWallpaperAnimationObserver( | |
125 root_window_controller, widget_, | |
126 WmShell::Get()->wallpaper_delegate()->ShouldShowInitialAnimation())); | |
127 // When |widget_| shows, AnimateShowWindowCommon() is called to do the | |
128 // animation. Sets transition duration to 0 to avoid animating to the | |
129 // show animation's initial values. | |
130 settings.SetTransitionDuration(base::TimeDelta()); | |
131 widget_->Show(); | |
132 } | |
133 } | |
134 | |
135 AnimatingWallpaperWidgetController::AnimatingWallpaperWidgetController( | |
136 WallpaperWidgetController* controller) | |
137 : controller_(controller) {} | |
138 | |
139 AnimatingWallpaperWidgetController::~AnimatingWallpaperWidgetController() {} | |
140 | |
141 void AnimatingWallpaperWidgetController::StopAnimating() { | |
142 if (controller_) { | |
143 ui::Layer* layer = controller_->widget()->GetNativeView()->layer(); | |
144 layer->GetAnimator()->StopAnimating(); | |
145 } | |
146 } | |
147 | |
148 WallpaperWidgetController* AnimatingWallpaperWidgetController::GetController( | |
149 bool pass_ownership) { | |
150 if (pass_ownership) | |
151 return controller_.release(); | |
152 return controller_.get(); | |
153 } | |
154 | |
155 } // namespace ash | |
OLD | NEW |