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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 <limits> | |
6 | |
7 #include "ash/common/system/tray/size_range_layout.h" | |
8 | |
9 #include "base/logging.h" | |
10 #include "ui/views/layout/fill_layout.h" | |
11 | |
12 namespace ash { | |
13 | |
14 // static | |
15 | |
16 const int SizeRangeLayout::kMinSize = 0; | |
17 | |
18 const int SizeRangeLayout::kMaxSize = std::numeric_limits<int>::max(); | |
19 | |
20 gfx::Size SizeRangeLayout::MinSize() { | |
21 return gfx::Size(kMinSize, kMinSize); | |
22 } | |
23 | |
24 gfx::Size SizeRangeLayout::MaxSize() { | |
25 return gfx::Size(kMaxSize, kMaxSize); | |
26 } | |
27 | |
28 // Non static | |
29 | |
30 SizeRangeLayout::SizeRangeLayout() : SizeRangeLayout(MinSize(), MaxSize()) {} | |
31 | |
32 SizeRangeLayout::SizeRangeLayout(const gfx::Size& min_size, | |
33 const gfx::Size& max_size) | |
34 : layout_manager_(new views::FillLayout()) { | |
35 SetMinSize(min_size); | |
36 SetMaxSize(max_size); | |
37 } | |
38 | |
39 SizeRangeLayout::~SizeRangeLayout() {} | |
40 | |
41 void SizeRangeLayout::SetSize(const gfx::Size& size) { | |
42 SetMinSize(size); | |
43 SetMaxSize(size); | |
44 } | |
45 | |
46 void SizeRangeLayout::SetMinSize(const gfx::Size& size) { | |
47 min_size_ = size; | |
48 min_size_.SetToMax(gfx::Size()); | |
49 } | |
50 | |
51 void SizeRangeLayout::SetMaxSize(const gfx::Size& size) { | |
52 max_size_ = size; | |
53 min_size_.SetToMax(gfx::Size()); | |
tdanderson
2016/10/19 18:30:59
You probably wanted this to be |max_size_|
bruthig
2016/10/20 04:40:12
D'oh, done!
| |
54 } | |
55 | |
56 void SizeRangeLayout::SetLayoutManager( | |
57 std::unique_ptr<LayoutManager> layout_manager) { | |
58 layout_manager_ = std::move(layout_manager); | |
59 if (layout_manager_) | |
60 layout_manager_->Installed(host_); | |
61 } | |
62 | |
63 void SizeRangeLayout::Installed(views::View* host) { | |
64 DCHECK(!host_); | |
65 host_ = host; | |
66 if (layout_manager_) | |
67 layout_manager_->Installed(host); | |
68 } | |
69 | |
70 void SizeRangeLayout::Layout(views::View* host) { | |
71 if (layout_manager_) | |
72 layout_manager_->Layout(host); | |
73 } | |
74 | |
75 gfx::Size SizeRangeLayout::GetPreferredSize(const views::View* host) const { | |
76 // TODO(bruthig): Handle Views that override GetPreferredSize(). | |
tdanderson
2016/10/19 18:30:59
As discussed in person, can you append something l
bruthig
2016/10/20 04:40:12
Removed.
| |
77 gfx::Size preferred_size = | |
78 layout_manager_ ? layout_manager_->GetPreferredSize(host) : gfx::Size(); | |
79 ClampSizeToRange(&preferred_size); | |
80 return preferred_size; | |
81 } | |
82 | |
83 int SizeRangeLayout::GetPreferredHeightForWidth(const views::View* host, | |
84 int width) const { | |
85 // TODO(bruthig): Handle Views that override GetPreferredSize(). | |
86 const int height = | |
87 layout_manager_ ? layout_manager_->GetPreferredHeightForWidth(host, width) | |
88 : 0; | |
89 gfx::Size size(0, height); | |
90 ClampSizeToRange(&size); | |
91 return size.height(); | |
92 } | |
93 | |
94 void SizeRangeLayout::ViewAdded(views::View* host, views::View* view) { | |
95 if (layout_manager_) | |
tdanderson
2016/10/19 18:30:59
Regarding your 'if (layout_manager_)' checks in th
bruthig
2016/10/20 04:40:12
I've changed it to a DCHECK(). Do you think it's
tdanderson
2016/10/20 18:16:48
A DCHECK should be fine.
| |
96 layout_manager_->ViewAdded(host, view); | |
97 } | |
98 | |
99 void SizeRangeLayout::ViewRemoved(views::View* host, views::View* view) { | |
100 if (layout_manager_) | |
101 layout_manager_->ViewRemoved(host, view); | |
102 } | |
103 | |
104 void SizeRangeLayout::ClampSizeToRange(gfx::Size* size) const { | |
105 size->SetToMax(min_size_); | |
106 size->SetToMin(max_size_); | |
107 } | |
108 | |
109 } // namespace ash | |
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