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Side by Side Diff: ash/mus/shadow.h

Issue 2182633011: Replaces ::ui:: with ui:: in ash (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 4 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 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 ASH_MUS_SHADOW_H_ 5 #ifndef ASH_MUS_SHADOW_H_
6 #define ASH_MUS_SHADOW_H_ 6 #define ASH_MUS_SHADOW_H_
7 7
8 #include <memory> 8 #include <memory>
9 9
10 #include "base/macros.h" 10 #include "base/macros.h"
11 #include "services/ui/public/cpp/window_observer.h" 11 #include "services/ui/public/cpp/window_observer.h"
12 #include "ui/compositor/layer_animation_observer.h" 12 #include "ui/compositor/layer_animation_observer.h"
13 #include "ui/gfx/geometry/rect.h" 13 #include "ui/gfx/geometry/rect.h"
14 14
15 namespace ui { 15 namespace ui {
16 class Layer; 16 class Layer;
17 } // namespace ui 17 } // namespace ui
18 18
19 namespace ash { 19 namespace ash {
20 namespace mus { 20 namespace mus {
21 21
22 // Simple class that draws a drop shadow around content at given bounds. 22 // Simple class that draws a drop shadow around content at given bounds.
23 class Shadow : public ui::ImplicitAnimationObserver, 23 class Shadow : public ui::ImplicitAnimationObserver, public ui::WindowObserver {
24 public ::ui::WindowObserver {
25 public: 24 public:
26 enum Style { 25 enum Style {
27 // Active windows have more opaque shadows, shifted down to make the window 26 // Active windows have more opaque shadows, shifted down to make the window
28 // appear "higher". 27 // appear "higher".
29 STYLE_ACTIVE, 28 STYLE_ACTIVE,
30 29
31 // Inactive windows have less opaque shadows. 30 // Inactive windows have less opaque shadows.
32 STYLE_INACTIVE, 31 STYLE_INACTIVE,
33 32
34 // Small windows like tooltips and context menus have lighter, smaller 33 // Small windows like tooltips and context menus have lighter, smaller
(...skipping 21 matching lines...) Expand all
56 const gfx::Rect& content_bounds() const { return content_bounds_; } 55 const gfx::Rect& content_bounds() const { return content_bounds_; }
57 Style style() const { return style_; } 56 Style style() const { return style_; }
58 57
59 // Moves and resizes the shadow layer to frame |content_bounds|. 58 // Moves and resizes the shadow layer to frame |content_bounds|.
60 void SetContentBounds(const gfx::Rect& content_bounds); 59 void SetContentBounds(const gfx::Rect& content_bounds);
61 60
62 // Sets the shadow's style, animating opacity as necessary. 61 // Sets the shadow's style, animating opacity as necessary.
63 void SetStyle(Style style); 62 void SetStyle(Style style);
64 63
65 // Installs this shadow for |window|. 64 // Installs this shadow for |window|.
66 void Install(::ui::Window* window); 65 void Install(ui::Window* window);
67 66
68 // ui::ImplicitAnimationObserver overrides: 67 // ui::ImplicitAnimationObserver overrides:
69 void OnImplicitAnimationsCompleted() override; 68 void OnImplicitAnimationsCompleted() override;
70 69
71 private: 70 private:
72 // Updates the shadow images to the current |style_|. 71 // Updates the shadow images to the current |style_|.
73 void UpdateImagesForStyle(); 72 void UpdateImagesForStyle();
74 73
75 // Updates the shadow layer bounds based on the inteior inset and the current 74 // Updates the shadow layer bounds based on the inteior inset and the current
76 // |content_bounds_|. 75 // |content_bounds_|.
77 void UpdateLayerBounds(); 76 void UpdateLayerBounds();
78 77
79 // WindowObserver: 78 // WindowObserver:
80 void OnWindowDestroyed(::ui::Window* window) override; 79 void OnWindowDestroyed(ui::Window* window) override;
81 80
82 // The current style, set when the transition animation starts. 81 // The current style, set when the transition animation starts.
83 Style style_; 82 Style style_;
84 83
85 // The parent layer of the shadow layer. It serves as a container accessible 84 // The parent layer of the shadow layer. It serves as a container accessible
86 // from the outside to control the visibility of the shadow. 85 // from the outside to control the visibility of the shadow.
87 std::unique_ptr<ui::Layer> layer_; 86 std::unique_ptr<ui::Layer> layer_;
88 87
89 // The actual shadow layer corresponding to a cc::NinePatchLayer. 88 // The actual shadow layer corresponding to a cc::NinePatchLayer.
90 std::unique_ptr<ui::Layer> shadow_layer_; 89 std::unique_ptr<ui::Layer> shadow_layer_;
91 90
92 // Size of the current shadow image. 91 // Size of the current shadow image.
93 gfx::Size image_size_; 92 gfx::Size image_size_;
94 93
95 // Bounds of the content that the shadow encloses. 94 // Bounds of the content that the shadow encloses.
96 gfx::Rect content_bounds_; 95 gfx::Rect content_bounds_;
97 96
98 // The interior inset of the shadow images. The content bounds of the image 97 // The interior inset of the shadow images. The content bounds of the image
99 // grid should be set to |content_bounds_| inset by this amount. 98 // grid should be set to |content_bounds_| inset by this amount.
100 int interior_inset_; 99 int interior_inset_;
101 100
102 ::ui::Window* window_; 101 ui::Window* window_;
103 102
104 DISALLOW_COPY_AND_ASSIGN(Shadow); 103 DISALLOW_COPY_AND_ASSIGN(Shadow);
105 }; 104 };
106 105
107 } // namespace mus 106 } // namespace mus
108 } // namespace ash 107 } // namespace ash
109 108
110 #endif // ASH_MUS_SHADOW_H_ 109 #endif // ASH_MUS_SHADOW_H_
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