Updating trunk VERSION from 2139.0 to 2140.0
[chromium-blink-merge.git] / ash / system / chromeos / power / power_status_view.cc
blob760c3d4da642691f83ba7c08170c3203fd6740b9
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.
5 #include "ash/system/chromeos/power/power_status_view.h"
7 #include "ash/shell.h"
8 #include "ash/shell_delegate.h"
9 #include "ash/system/chromeos/power/power_status.h"
10 #include "ash/system/chromeos/power/tray_power.h"
11 #include "ash/system/tray/fixed_sized_image_view.h"
12 #include "ash/system/tray/tray_constants.h"
13 #include "base/strings/string_number_conversions.h"
14 #include "base/strings/utf_string_conversions.h"
15 #include "grit/ash_strings.h"
16 #include "ui/base/l10n/l10n_util.h"
17 #include "ui/base/l10n/time_format.h"
18 #include "ui/base/resource/resource_bundle.h"
19 #include "ui/views/controls/image_view.h"
20 #include "ui/views/controls/label.h"
21 #include "ui/views/layout/box_layout.h"
22 #include "ui/views/layout/grid_layout.h"
24 namespace ash {
26 // Padding between battery status text and battery icon on default view.
27 const int kPaddingBetweenBatteryStatusAndIcon = 3;
29 PowerStatusView::PowerStatusView(ViewType view_type,
30 bool default_view_right_align)
31 : default_view_right_align_(default_view_right_align),
32 status_label_(NULL),
33 time_label_(NULL),
34 time_status_label_(NULL),
35 percentage_label_(NULL),
36 icon_(NULL),
37 view_type_(view_type) {
38 PowerStatus::Get()->AddObserver(this);
39 if (view_type == VIEW_DEFAULT) {
40 time_status_label_ = new views::Label;
41 percentage_label_ = new views::Label;
42 percentage_label_->SetEnabledColor(kHeaderTextColorNormal);
43 LayoutDefaultView();
44 } else {
45 status_label_ = new views::Label;
46 time_label_ = new views::Label;
47 LayoutNotificationView();
49 OnPowerStatusChanged();
52 PowerStatusView::~PowerStatusView() {
53 PowerStatus::Get()->RemoveObserver(this);
56 void PowerStatusView::OnPowerStatusChanged() {
57 view_type_ == VIEW_DEFAULT ?
58 UpdateTextForDefaultView() : UpdateTextForNotificationView();
60 if (icon_) {
61 icon_->SetImage(
62 PowerStatus::Get()->GetBatteryImage(PowerStatus::ICON_DARK));
63 icon_->SetVisible(true);
67 void PowerStatusView::LayoutDefaultView() {
68 if (default_view_right_align_) {
69 views::BoxLayout* layout =
70 new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0,
71 kPaddingBetweenBatteryStatusAndIcon);
72 SetLayoutManager(layout);
74 AddChildView(percentage_label_);
75 AddChildView(time_status_label_);
77 icon_ = new views::ImageView;
78 AddChildView(icon_);
79 } else {
80 // PowerStatusView is left aligned on the system tray pop up item.
81 views::BoxLayout* layout =
82 new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0,
83 kTrayPopupPaddingBetweenItems);
84 SetLayoutManager(layout);
86 icon_ = new ash::FixedSizedImageView(0, ash::kTrayPopupItemHeight);
87 AddChildView(icon_);
89 AddChildView(percentage_label_);
90 AddChildView(time_status_label_);
94 void PowerStatusView::LayoutNotificationView() {
95 SetLayoutManager(
96 new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 1));
97 status_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
98 AddChildView(status_label_);
100 time_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
101 AddChildView(time_label_);
104 void PowerStatusView::UpdateTextForDefaultView() {
105 const PowerStatus& status = *PowerStatus::Get();
106 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
107 base::string16 battery_percentage;
108 base::string16 battery_time_status;
110 if (status.IsBatteryFull()) {
111 battery_time_status =
112 rb.GetLocalizedString(IDS_ASH_STATUS_TRAY_BATTERY_FULL);
113 } else {
114 battery_percentage = l10n_util::GetStringFUTF16(
115 IDS_ASH_STATUS_TRAY_BATTERY_PERCENT_ONLY,
116 base::IntToString16(status.GetRoundedBatteryPercent()));
117 if (status.IsUsbChargerConnected()) {
118 battery_time_status = rb.GetLocalizedString(
119 IDS_ASH_STATUS_TRAY_BATTERY_CHARGING_UNRELIABLE);
120 } else if (status.IsBatteryTimeBeingCalculated()) {
121 battery_time_status =
122 rb.GetLocalizedString(IDS_ASH_STATUS_TRAY_BATTERY_CALCULATING);
123 } else {
124 base::TimeDelta time = status.IsBatteryCharging() ?
125 status.GetBatteryTimeToFull() : status.GetBatteryTimeToEmpty();
126 if (PowerStatus::ShouldDisplayBatteryTime(time) &&
127 !status.IsBatteryDischargingOnLinePower()) {
128 int hour = 0, min = 0;
129 PowerStatus::SplitTimeIntoHoursAndMinutes(time, &hour, &min);
130 base::string16 minute = min < 10 ?
131 base::ASCIIToUTF16("0") + base::IntToString16(min) :
132 base::IntToString16(min);
133 battery_time_status =
134 l10n_util::GetStringFUTF16(
135 status.IsBatteryCharging() ?
136 IDS_ASH_STATUS_TRAY_BATTERY_TIME_UNTIL_FULL_SHORT :
137 IDS_ASH_STATUS_TRAY_BATTERY_TIME_LEFT_SHORT,
138 base::IntToString16(hour),
139 minute);
142 battery_percentage = battery_time_status.empty() ?
143 battery_percentage : battery_percentage + base::ASCIIToUTF16(" - ");
145 percentage_label_->SetVisible(!battery_percentage.empty());
146 percentage_label_->SetText(battery_percentage);
147 time_status_label_->SetVisible(!battery_time_status.empty());
148 time_status_label_->SetText(battery_time_status);
151 void PowerStatusView::UpdateTextForNotificationView() {
152 const PowerStatus& status = *PowerStatus::Get();
153 if (status.IsBatteryFull()) {
154 status_label_->SetText(
155 ui::ResourceBundle::GetSharedInstance().GetLocalizedString(
156 IDS_ASH_STATUS_TRAY_BATTERY_FULL));
157 } else {
158 status_label_->SetText(
159 l10n_util::GetStringFUTF16(
160 IDS_ASH_STATUS_TRAY_BATTERY_PERCENT,
161 base::IntToString16(status.GetRoundedBatteryPercent())));
164 const base::TimeDelta time = status.IsBatteryCharging() ?
165 status.GetBatteryTimeToFull() : status.GetBatteryTimeToEmpty();
167 if (status.IsUsbChargerConnected()) {
168 time_label_->SetText(
169 ui::ResourceBundle::GetSharedInstance().GetLocalizedString(
170 IDS_ASH_STATUS_TRAY_BATTERY_CHARGING_UNRELIABLE));
171 } else if (status.IsBatteryTimeBeingCalculated()) {
172 time_label_->SetText(
173 ui::ResourceBundle::GetSharedInstance().GetLocalizedString(
174 IDS_ASH_STATUS_TRAY_BATTERY_CALCULATING));
175 } else if (PowerStatus::ShouldDisplayBatteryTime(time) &&
176 !status.IsBatteryDischargingOnLinePower()) {
177 int hour = 0, min = 0;
178 PowerStatus::SplitTimeIntoHoursAndMinutes(time, &hour, &min);
179 if (status.IsBatteryCharging()) {
180 time_label_->SetText(
181 l10n_util::GetStringFUTF16(
182 IDS_ASH_STATUS_TRAY_BATTERY_TIME_UNTIL_FULL,
183 base::IntToString16(hour),
184 base::IntToString16(min)));
185 } else {
186 // This is a low battery warning prompting the user in minutes.
187 time_label_->SetText(ui::TimeFormat::Simple(
188 ui::TimeFormat::FORMAT_REMAINING, ui::TimeFormat::LENGTH_LONG,
189 base::TimeDelta::FromMinutes(hour * 60 + min)));
191 } else {
192 time_label_->SetText(base::string16());
196 void PowerStatusView::ChildPreferredSizeChanged(views::View* child) {
197 PreferredSizeChanged();
200 gfx::Size PowerStatusView::GetPreferredSize() const {
201 gfx::Size size = views::View::GetPreferredSize();
202 return gfx::Size(size.width(), kTrayPopupItemHeight);
205 int PowerStatusView::GetHeightForWidth(int width) const {
206 return kTrayPopupItemHeight;
209 void PowerStatusView::Layout() {
210 views::View::Layout();
212 // Move the time_status_label_ closer to percentage_label_.
213 if (percentage_label_ && time_status_label_ &&
214 percentage_label_->visible() && time_status_label_->visible()) {
215 time_status_label_->SetX(percentage_label_->bounds().right() + 1);
219 } // namespace ash