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Issue 2732813002: chromeos: Move files in //ash/common to //ash, part 1 (Closed)
Patch Set: rebase Created 3 years, 9 months ago
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1 // Copyright 2016 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/common/system/tray/tri_view.h"
6
7 #include "ash/common/system/tray/size_range_layout.h"
8 #include "base/logging.h"
9 #include "ui/views/border.h"
10 #include "ui/views/layout/box_layout.h"
11 #include "ui/views/layout/fill_layout.h"
12 #include "ui/views/layout/layout_manager.h"
13
14 namespace ash {
15 namespace {
16
17 // Converts TriView::Orientation values to views::BoxLayout::Orientation values.
18 views::BoxLayout::Orientation GetOrientation(TriView::Orientation orientation) {
19 switch (orientation) {
20 case TriView::Orientation::HORIZONTAL:
21 return views::BoxLayout::kHorizontal;
22 case TriView::Orientation::VERTICAL:
23 return views::BoxLayout::kVertical;
24 }
25 // Required for some compilers.
26 NOTREACHED();
27 return views::BoxLayout::kHorizontal;
28 }
29
30 // A View that will perform a layout if a child view's preferred size changes.
31 class RelayoutView : public views::View {
32 public:
33 RelayoutView() {}
34
35 // views::View:
36 void ChildPreferredSizeChanged(View* child) override { Layout(); }
37
38 private:
39 DISALLOW_COPY_AND_ASSIGN(RelayoutView);
40 };
41
42 } // namespace
43
44 TriView::TriView() : TriView(0) {}
45
46 TriView::TriView(int padding_between_containers)
47 : TriView(Orientation::HORIZONTAL, padding_between_containers) {}
48
49 TriView::TriView(Orientation orientation) : TriView(orientation, 0) {}
50
51 TriView::TriView(Orientation orientation, int padding_between_containers)
52 : box_layout_(new views::BoxLayout(GetOrientation(orientation),
53 0,
54 0,
55 padding_between_containers)),
56 start_container_layout_manager_(new SizeRangeLayout),
57 center_container_layout_manager_(new SizeRangeLayout),
58 end_container_layout_manager_(new SizeRangeLayout) {
59 AddChildView(new RelayoutView);
60 AddChildView(new RelayoutView);
61 AddChildView(new RelayoutView);
62
63 GetContainer(Container::START)
64 ->SetLayoutManager(GetLayoutManager(Container::START));
65 GetContainer(Container::CENTER)
66 ->SetLayoutManager(GetLayoutManager(Container::CENTER));
67 GetContainer(Container::END)
68 ->SetLayoutManager(GetLayoutManager(Container::END));
69
70 box_layout_->set_cross_axis_alignment(
71 views::BoxLayout::CROSS_AXIS_ALIGNMENT_START);
72 SetLayoutManager(box_layout_);
73
74 enable_hierarchy_changed_dcheck_ = true;
75 }
76
77 TriView::~TriView() {
78 enable_hierarchy_changed_dcheck_ = false;
79 }
80
81 void TriView::SetMinHeight(int height) {
82 gfx::Size min_size;
83
84 min_size = GetMinSize(TriView::Container::START);
85 min_size.set_height(height);
86 SetMinSize(TriView::Container::START, min_size);
87
88 min_size = GetMinSize(TriView::Container::CENTER);
89 min_size.set_height(height);
90 SetMinSize(TriView::Container::CENTER, min_size);
91
92 min_size = GetMinSize(TriView::Container::END);
93 min_size.set_height(height);
94 SetMinSize(TriView::Container::END, min_size);
95 }
96
97 void TriView::SetMinSize(Container container, const gfx::Size& size) {
98 GetLayoutManager(container)->SetMinSize(size);
99 }
100
101 gfx::Size TriView::GetMinSize(Container container) {
102 return GetLayoutManager(container)->min_size();
103 }
104
105 void TriView::SetMaxSize(Container container, const gfx::Size& size) {
106 GetLayoutManager(container)->SetMaxSize(size);
107 }
108
109 void TriView::AddView(Container container, views::View* view) {
110 GetContainer(container)->AddChildView(view);
111 }
112
113 void TriView::RemoveAllChildren(Container container, bool delete_children) {
114 GetContainer(container)->RemoveAllChildViews(delete_children);
115 }
116
117 void TriView::SetInsets(const gfx::Insets& insets) {
118 box_layout_->set_inside_border_insets(insets);
119 }
120
121 void TriView::SetContainerBorder(Container container,
122 std::unique_ptr<views::Border> border) {
123 GetContainer(container)->SetBorder(std::move(border));
124 }
125
126 void TriView::SetContainerVisible(Container container, bool visible) {
127 GetContainer(container)->SetVisible(visible);
128 }
129
130 void TriView::SetFlexForContainer(Container container, int flex) {
131 box_layout_->SetFlexForView(GetContainer(container), flex);
132 }
133
134 void TriView::SetContainerLayout(
135 Container container,
136 std::unique_ptr<views::LayoutManager> layout_manager) {
137 GetLayoutManager(container)->SetLayoutManager(std::move(layout_manager));
138 }
139
140 void TriView::ViewHierarchyChanged(
141 const views::View::ViewHierarchyChangedDetails& details) {
142 views::View::ViewHierarchyChanged(details);
143 if (!enable_hierarchy_changed_dcheck_)
144 return;
145
146 if (details.parent == this) {
147 if (details.is_add) {
148 DCHECK(false)
149 << "Child views should not be added directly. They should be added "
150 "using TriView::AddView().";
151 } else {
152 DCHECK(false) << "Container views should not be removed.";
153 }
154 }
155 }
156
157 const char* TriView::GetClassName() const {
158 return "TriView";
159 }
160
161 views::View* TriView::GetContainer(Container container) {
162 return child_at(static_cast<int>(container));
163 }
164
165 SizeRangeLayout* TriView::GetLayoutManager(Container container) {
166 switch (container) {
167 case Container::START:
168 return start_container_layout_manager_;
169 case Container::CENTER:
170 return center_container_layout_manager_;
171 case Container::END:
172 return end_container_layout_manager_;
173 }
174 // Required for some compilers.
175 NOTREACHED();
176 return nullptr;
177 }
178
179 } // namespace ash
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