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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "ui/message_center/message_view_multiple.h" | |
6 | |
7 #include "base/utf_string_conversions.h" | |
8 #include "grit/ui_resources.h" | |
9 #include "ui/base/accessibility/accessible_view_state.h" | |
10 #include "ui/base/resource/resource_bundle.h" | |
11 #include "ui/base/text/text_elider.h" | |
12 #include "ui/gfx/canvas.h" | |
13 #include "ui/gfx/size.h" | |
14 #include "ui/message_center/message_center_constants.h" | |
15 #include "ui/native_theme/native_theme.h" | |
16 #include "ui/views/controls/button/image_button.h" | |
17 #include "ui/views/controls/image_view.h" | |
18 #include "ui/views/controls/label.h" | |
19 #include "ui/views/layout/box_layout.h" | |
20 #include "ui/views/layout/grid_layout.h" | |
21 | |
22 namespace { | |
23 | |
24 // Notification dimensions. | |
25 const int kIconLeftPadding = 0; | |
26 const int kIconColumnWidth = message_center::kNotificationIconWidth; | |
27 const int kIconToTextPadding = 15; | |
28 const int kTextToClosePadding = 10; | |
29 const int kCloseColumnWidth = 8; | |
30 const int kCloseRightPadding = 6; | |
31 const int kIconTopPadding = 0; | |
32 const int kTextTopPadding = 9; | |
33 const int kCloseTopPadding = 6; | |
34 const int kIconBottomPadding = 0; | |
35 const int kTextBottomPadding = 12; | |
36 const int kItemTitleToDetailsPadding = 3; | |
37 | |
38 // Notification colors. The text background colors below are used only to keep | |
39 // view::Label from modifying the text color and will not actually be drawn. | |
40 // See view::Label's SetEnabledColor() and SetBackgroundColor() for details. | |
41 const SkColor kBackgroundColor = SkColorSetRGB(255, 255, 255); | |
42 const SkColor kTitleColor = SkColorSetRGB(68, 68, 68); | |
43 const SkColor kTitleBackgroundColor = SK_ColorWHITE; | |
44 const SkColor kMessageColor = SkColorSetRGB(136, 136, 136); | |
45 const SkColor kMessageBackgroundColor = SK_ColorBLACK; | |
46 | |
47 // Static function to create an empty border to be used as padding. | |
48 views::Border* MakePadding(int top, int left, int bottom, int right) { | |
49 return views::Border::CreateEmptyBorder(top, left, bottom, right); | |
50 } | |
51 | |
52 // ItemViews are responsible for drawing each MessageViewMultiple item's title | |
53 // and message next to each other within a single column. | |
54 class ItemView : public views::View { | |
55 public: | |
56 ItemView(const message_center::NotificationList::NotificationItem& item); | |
57 virtual ~ItemView(); | |
58 | |
59 private: | |
60 DISALLOW_COPY_AND_ASSIGN(ItemView); | |
61 }; | |
62 | |
63 ItemView::ItemView( | |
64 const message_center::NotificationList::NotificationItem& item) { | |
65 views::BoxLayout* layout = | |
66 new views::BoxLayout(views::BoxLayout::kHorizontal, | |
67 0, 0, kItemTitleToDetailsPadding); | |
68 SetLayoutManager(layout); | |
69 | |
70 views::Label* title = new views::Label(item.title); | |
71 title->SetHorizontalAlignment(gfx::ALIGN_LEFT); | |
72 title->SetElideBehavior(views::Label::ELIDE_AT_END); | |
73 title->SetEnabledColor(kTitleColor); | |
74 title->SetBackgroundColor(kTitleBackgroundColor); | |
75 AddChildViewAt(title, 0); | |
76 | |
77 views::Label* details = new views::Label(item.message); | |
78 details->SetHorizontalAlignment(gfx::ALIGN_LEFT); | |
79 details->SetElideBehavior(views::Label::ELIDE_AT_END); | |
80 details->SetEnabledColor(kMessageColor); | |
81 details->SetBackgroundColor(kMessageBackgroundColor); | |
82 AddChildViewAt(details, 1); | |
83 | |
84 PreferredSizeChanged(); | |
85 SchedulePaint(); | |
86 } | |
87 | |
88 ItemView::~ItemView() { | |
89 } | |
90 | |
91 } // namespace | |
92 | |
93 namespace message_center { | |
94 | |
95 MessageViewMultiple::MessageViewMultiple( | |
96 NotificationList::Delegate* list_delegate, | |
97 const NotificationList::Notification& notification) | |
98 : MessageView(list_delegate, notification) { | |
99 } | |
100 | |
101 MessageViewMultiple::~MessageViewMultiple() { | |
102 } | |
103 | |
104 // TODO(dharcourt): Make this a subclass of BaseFormatView or of a | |
105 // BaseFormatView superclass and leverage that class' SetUpView(). | |
106 void MessageViewMultiple::SetUpView() { | |
107 set_background(views::Background::CreateSolidBackground(kBackgroundColor)); | |
108 | |
109 views::GridLayout* layout = new views::GridLayout(this); | |
110 SetLayoutManager(layout); | |
111 | |
112 // Three columns (icon, text, close button) surrounded by padding. The icon | |
113 // and close button columns and the padding have fixed widths and the text | |
114 // column fills up the remaining space. To minimize the number of columns and | |
115 // simplify column spanning padding is applied to each view within columns | |
116 // instead of through padding columns. | |
117 views::ColumnSet* columns = layout->AddColumnSet(0); | |
118 columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::LEADING, | |
119 0, views::GridLayout::FIXED, | |
120 kIconLeftPadding + kIconColumnWidth + kIconToTextPadding, | |
121 kIconLeftPadding + kIconColumnWidth + kIconToTextPadding); | |
122 // Padding + icon + padding. | |
123 columns->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL, | |
124 100, views::GridLayout::USE_PREF, | |
125 0, 0); | |
126 // Text + padding (kTextToClosePadding). | |
127 columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::LEADING, | |
128 0, views::GridLayout::FIXED, | |
129 kCloseColumnWidth + kCloseRightPadding, | |
130 kCloseColumnWidth + kCloseRightPadding); | |
131 // Close button + padding. | |
132 | |
133 // First row: Icon. This vertically spans the close button padding row, the | |
134 // close button row, and all item rows. | |
135 layout->StartRow(0, 0); | |
136 views::ImageView* icon = new views::ImageView(); | |
137 icon->SetImageSize(gfx::Size(message_center::kNotificationIconWidth, | |
138 message_center::kNotificationIconWidth)); | |
139 icon->SetImage(notification_.primary_icon); | |
140 icon->SetHorizontalAlignment(views::ImageView::LEADING); | |
141 icon->SetVerticalAlignment(views::ImageView::LEADING); | |
142 icon->set_border(MakePadding(kIconTopPadding, kIconLeftPadding, | |
143 kIconBottomPadding, kIconToTextPadding)); | |
144 layout->AddView(icon, 1, 2 + notification_.items.size()); | |
145 | |
146 // First row: Title. This vertically spans the close button padding row and | |
147 // the close button row. | |
148 // TODO(dharcourt): Skip the title Label when there's no title text. | |
149 views::Label* title = new views::Label(notification_.title); | |
150 title->SetHorizontalAlignment(gfx::ALIGN_LEFT); | |
151 title->SetFont(title->font().DeriveFont(4)); | |
152 title->SetEnabledColor(kTitleColor); | |
153 title->SetBackgroundColor(kTitleBackgroundColor); | |
154 title->set_border(MakePadding(kTextTopPadding, 0, 3, kTextToClosePadding)); | |
155 layout->AddView(title, 1, 2); | |
156 | |
157 // First row: Close button padding. | |
158 views::View* padding = new views::ImageView(); | |
159 padding->set_border(MakePadding(kCloseTopPadding, 1, 0, 0)); | |
160 layout->AddView(padding); | |
161 | |
162 // Second row: Close button, which has to be on a row of its own because its | |
163 // top padding can't be set using empty borders (ImageButtons don't support | |
164 // borders). The resize factor of this row (100) is much higher than that of | |
165 // other rows (0) to ensure the first row's height stays at kCloseTopPadding. | |
166 layout->StartRow(100, 0); | |
167 layout->SkipColumns(2); | |
168 DCHECK(close_button_); | |
169 layout->AddView(close_button_); | |
170 | |
171 // One row for each notification item, including appropriate padding. | |
172 for (int i = 0, n = notification_.items.size(); i < n; ++i) { | |
173 int bottom_padding = (i < n - 1) ? 4 : (kTextBottomPadding - 2); | |
174 layout->StartRow(0, 0); | |
175 layout->SkipColumns(1); | |
176 ItemView* item = new ItemView(notification_.items[i]); | |
177 item->set_border(MakePadding(0, 0, bottom_padding, kTextToClosePadding)); | |
178 layout->AddView(item); | |
179 layout->SkipColumns(1); | |
180 } | |
181 } | |
182 | |
183 } // namespace message_center | |
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