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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "mash/wm/shelf_layout.h" | |
6 | |
7 #include "components/mus/public/cpp/property_type_converters.h" | |
8 #include "components/mus/public/cpp/window.h" | |
9 #include "components/mus/public/cpp/window_property.h" | |
10 #include "mash/wm/property_util.h" | |
11 #include "mash/wm/public/interfaces/ash_window_type.mojom.h" | |
12 #include "ui/gfx/geometry/rect.h" | |
13 | |
14 namespace mash { | |
15 namespace wm { | |
16 | |
17 namespace { | |
18 | |
19 mojom::AshWindowType GetAshWindowType(const mus::Window* window) { | |
20 if (!window->HasSharedProperty(mojom::kAshWindowType_Property)) | |
21 return mojom::AshWindowType::COUNT; | |
22 | |
23 return static_cast<mojom::AshWindowType>( | |
24 window->GetSharedProperty<int32_t>(mojom::kAshWindowType_Property)); | |
25 } | |
26 | |
27 } // namespace | |
28 | |
29 ShelfLayout::ShelfLayout(mus::Window* owner) | |
30 : LayoutManager(owner), | |
31 alignment_(mash::shelf::mojom::Alignment::BOTTOM), | |
32 auto_hide_behavior_(mash::shelf::mojom::AutoHideBehavior::NEVER) { | |
33 AddLayoutProperty(mus::mojom::WindowManager::kPreferredSize_Property); | |
34 } | |
35 | |
36 ShelfLayout::~ShelfLayout() {} | |
37 | |
38 // We explicitly don't make assertions about the number of children in this | |
39 // layout as the number of children can vary when the application providing the | |
40 // shelf restarts. | |
41 | |
42 void ShelfLayout::LayoutWindow(mus::Window* window) { | |
43 const mojom::AshWindowType ash_window_type = GetAshWindowType(window); | |
44 gfx::Size size = GetWindowPreferredSize(window); | |
45 | |
46 if (alignment_ == mash::shelf::mojom::Alignment::BOTTOM) { | |
47 const int y = owner()->bounds().height() - size.height(); | |
48 if (ash_window_type == mojom::AshWindowType::SHELF) { | |
49 size.set_width(owner()->bounds().width()); | |
50 window->SetBounds(gfx::Rect(0, y, size.width(), size.height())); | |
51 } else if (ash_window_type == mojom::AshWindowType::STATUS_AREA) { | |
52 // TODO(msw): Place the status area on the left for RTL UIs. | |
53 window->SetBounds(gfx::Rect(owner()->bounds().width() - size.width(), y, | |
54 size.width(), size.height())); | |
55 } else { | |
56 NOTREACHED() << "Unknown window in USER_SHELF container."; | |
57 } | |
58 } else { | |
59 const int x = (alignment_ == mash::shelf::mojom::Alignment::LEFT) | |
60 ? 0 | |
61 : (owner()->bounds().width() - size.width()); | |
62 if (ash_window_type == mojom::AshWindowType::SHELF) { | |
63 size.set_height(owner()->bounds().height()); | |
64 window->SetBounds(gfx::Rect(x, 0, size.width(), size.height())); | |
65 } else if (ash_window_type == mojom::AshWindowType::STATUS_AREA) { | |
66 window->SetBounds(gfx::Rect(x, owner()->bounds().height() - size.height(), | |
67 size.width(), size.height())); | |
68 } else { | |
69 NOTREACHED() << "Unknown window in USER_SHELF container."; | |
70 } | |
71 } | |
72 } | |
73 | |
74 void ShelfLayout::SetAlignment(mash::shelf::mojom::Alignment alignment) { | |
75 if (alignment_ == alignment) | |
76 return; | |
77 | |
78 alignment_ = alignment; | |
79 for (mus::Window* window : owner()->children()) | |
80 LayoutWindow(window); | |
81 } | |
82 | |
83 void ShelfLayout::SetAutoHideBehavior( | |
84 mash::shelf::mojom::AutoHideBehavior auto_hide) { | |
85 if (auto_hide_behavior_ == auto_hide) | |
86 return; | |
87 | |
88 auto_hide_behavior_ = auto_hide; | |
89 NOTIMPLEMENTED(); | |
90 } | |
91 | |
92 } // namespace wm | |
93 } // namespace mash | |
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