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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 #include "ash/system/status_area_widget_delegate.h" | 5 #include "ash/system/status_area_widget_delegate.h" |
6 | 6 |
7 #include "ash/ash_export.h" | 7 #include "ash/ash_export.h" |
8 #include "ash/focus_cycler.h" | 8 #include "ash/focus_cycler.h" |
9 #include "ash/shell.h" | 9 #include "ash/shell.h" |
10 #include "ash/shell_window_ids.h" | 10 #include "ash/shell_window_ids.h" |
11 #include "base/utf_string_conversions.h" | 11 #include "base/utf_string_conversions.h" |
12 #include "grit/ui_resources_standard.h" | 12 #include "grit/ui_resources_standard.h" |
13 #include "ui/aura/root_window.h" | 13 #include "ui/aura/root_window.h" |
14 #include "ui/base/resource/resource_bundle.h" | 14 #include "ui/base/resource/resource_bundle.h" |
15 #include "ui/gfx/canvas.h" | 15 #include "ui/gfx/canvas.h" |
16 #include "ui/gfx/image/image.h" | 16 #include "ui/gfx/image/image.h" |
17 #include "ui/views/accessible_pane_view.h" | 17 #include "ui/views/accessible_pane_view.h" |
| 18 #include "ui/views/layout/grid_layout.h" |
18 #include "ui/views/widget/widget.h" | 19 #include "ui/views/widget/widget.h" |
19 | 20 |
20 namespace { | 21 namespace { |
21 | 22 |
22 int kTraySpacing = 10; | 23 int kTraySpacing = 10; |
23 | 24 |
24 } // namespace | 25 } // namespace |
25 | 26 |
26 namespace ash { | 27 namespace ash { |
27 namespace internal { | 28 namespace internal { |
28 | 29 |
29 StatusAreaWidgetDelegate::StatusAreaWidgetDelegate() | 30 StatusAreaWidgetDelegate::StatusAreaWidgetDelegate() |
30 : focus_cycler_for_testing_(NULL) { | 31 : focus_cycler_for_testing_(NULL), |
31 SetLayout(views::BoxLayout::kHorizontal); | 32 alignment_(SHELF_ALIGNMENT_BOTTOM) { |
32 } | 33 } |
33 | 34 |
34 StatusAreaWidgetDelegate::~StatusAreaWidgetDelegate() { | 35 StatusAreaWidgetDelegate::~StatusAreaWidgetDelegate() { |
35 } | 36 } |
36 | 37 |
37 void StatusAreaWidgetDelegate::SetFocusCyclerForTesting( | 38 void StatusAreaWidgetDelegate::SetFocusCyclerForTesting( |
38 const FocusCycler* focus_cycler) { | 39 const FocusCycler* focus_cycler) { |
39 focus_cycler_for_testing_ = focus_cycler; | 40 focus_cycler_for_testing_ = focus_cycler; |
40 } | 41 } |
41 | 42 |
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65 // We don't want mouse clicks to activate us, but we need to allow | 66 // We don't want mouse clicks to activate us, but we need to allow |
66 // activation when the user is using the keyboard (FocusCycler). | 67 // activation when the user is using the keyboard (FocusCycler). |
67 const FocusCycler* focus_cycler = focus_cycler_for_testing_ ? | 68 const FocusCycler* focus_cycler = focus_cycler_for_testing_ ? |
68 focus_cycler_for_testing_ : Shell::GetInstance()->focus_cycler(); | 69 focus_cycler_for_testing_ : Shell::GetInstance()->focus_cycler(); |
69 return focus_cycler->widget_activating() == GetWidget(); | 70 return focus_cycler->widget_activating() == GetWidget(); |
70 } | 71 } |
71 | 72 |
72 void StatusAreaWidgetDelegate::DeleteDelegate() { | 73 void StatusAreaWidgetDelegate::DeleteDelegate() { |
73 } | 74 } |
74 | 75 |
75 void StatusAreaWidgetDelegate::SetLayout( | 76 void StatusAreaWidgetDelegate::AddTray(views::View* tray) { |
76 views::BoxLayout::Orientation orientation) { | 77 SetLayoutManager(NULL); // Reset layout manager before adding a child. |
77 SetLayoutManager(new views::BoxLayout(orientation, 0, 0, kTraySpacing)); | 78 AddChildView(tray); |
| 79 // Set the layout manager with the new list of children. |
| 80 UpdateLayout(); |
| 81 } |
| 82 |
| 83 void StatusAreaWidgetDelegate::UpdateLayout() { |
| 84 // Use a grid layout so that the trays can be centered in each cell, and |
| 85 // so that the widget gets laid out correctly when tray sizes change. |
| 86 views::GridLayout* layout = new views::GridLayout(this); |
| 87 SetLayoutManager(layout); |
| 88 |
| 89 views::ColumnSet* columns = layout->AddColumnSet(0); |
| 90 if (alignment_ == SHELF_ALIGNMENT_BOTTOM) { |
| 91 for (int c = 0; c < child_count(); ++c) { |
| 92 if (c != 0) |
| 93 columns->AddPaddingColumn(0, kTraySpacing); |
| 94 columns->AddColumn(views::GridLayout::CENTER, views::GridLayout::CENTER, |
| 95 0, /* resize percent */ |
| 96 views::GridLayout::USE_PREF, 0, 0); |
| 97 } |
| 98 layout->StartRow(0, 0); |
| 99 for (int c = 0; c < child_count(); ++c) |
| 100 layout->AddView(child_at(c)); |
| 101 } else { |
| 102 columns->AddColumn(views::GridLayout::CENTER, views::GridLayout::CENTER, |
| 103 0, /* resize percent */ |
| 104 views::GridLayout::USE_PREF, 0, 0); |
| 105 for (int c = 0; c < child_count(); ++c) { |
| 106 if (c != 0) |
| 107 layout->AddPaddingRow(0, kTraySpacing); |
| 108 layout->StartRow(0, 0); |
| 109 layout->AddView(child_at(c)); |
| 110 } |
| 111 } |
78 Layout(); | 112 Layout(); |
79 } | 113 } |
80 | 114 |
| 115 void StatusAreaWidgetDelegate::ChildPreferredSizeChanged(View* child) { |
| 116 // Need to re-layout the parent window when trays or items are added/removed. |
| 117 parent()->GetWidget()->GetRootView()->Layout(); |
| 118 } |
| 119 |
81 } // namespace internal | 120 } // namespace internal |
82 } // namespace ash | 121 } // namespace ash |
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