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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 "ash/common/system/chromeos/power/tray_power.h" | |
| 6 | |
| 7 #include <utility> | |
| 8 | |
| 9 #include "ash/common/accessibility_delegate.h" | |
| 10 #include "ash/common/ash_switches.h" | |
| 11 #include "ash/common/system/chromeos/devicetype_utils.h" | |
| 12 #include "ash/common/system/chromeos/power/battery_notification.h" | |
| 13 #include "ash/common/system/chromeos/power/dual_role_notification.h" | |
| 14 #include "ash/common/system/date/date_view.h" | |
| 15 #include "ash/common/system/system_notifier.h" | |
| 16 #include "ash/common/system/tray/system_tray_delegate.h" | |
| 17 #include "ash/common/system/tray/tray_constants.h" | |
| 18 #include "ash/common/system/tray/tray_item_view.h" | |
| 19 #include "ash/common/system/tray/tray_utils.h" | |
| 20 #include "ash/resources/grit/ash_resources.h" | |
| 21 #include "ash/strings/grit/ash_strings.h" | |
| 22 #include "base/command_line.h" | |
| 23 #include "base/logging.h" | |
| 24 #include "base/metrics/histogram.h" | |
| 25 #include "base/time/time.h" | |
| 26 #include "ui/accessibility/ax_node_data.h" | |
| 27 #include "ui/base/resource/resource_bundle.h" | |
| 28 #include "ui/message_center/message_center.h" | |
| 29 #include "ui/message_center/notification.h" | |
| 30 #include "ui/message_center/notification_delegate.h" | |
| 31 #include "ui/views/controls/image_view.h" | |
| 32 #include "ui/views/view.h" | |
| 33 | |
| 34 using message_center::MessageCenter; | |
| 35 using message_center::Notification; | |
| 36 | |
| 37 namespace ash { | |
| 38 | |
| 39 // Informs the TrayPower instance when a USB notification is closed. | |
| 40 class UsbNotificationDelegate : public message_center::NotificationDelegate { | |
| 41 public: | |
| 42 explicit UsbNotificationDelegate(TrayPower* tray_power) | |
| 43 : tray_power_(tray_power) {} | |
| 44 | |
| 45 // Overridden from message_center::NotificationDelegate. | |
| 46 void Close(bool by_user) override { | |
| 47 if (by_user) | |
| 48 tray_power_->NotifyUsbNotificationClosedByUser(); | |
| 49 } | |
| 50 | |
| 51 private: | |
| 52 ~UsbNotificationDelegate() override {} | |
| 53 | |
| 54 TrayPower* tray_power_; | |
| 55 | |
| 56 DISALLOW_COPY_AND_ASSIGN(UsbNotificationDelegate); | |
| 57 }; | |
| 58 | |
| 59 namespace { | |
| 60 | |
| 61 std::string GetNotificationStateString( | |
| 62 TrayPower::NotificationState notification_state) { | |
| 63 switch (notification_state) { | |
| 64 case TrayPower::NOTIFICATION_NONE: | |
| 65 return "none"; | |
| 66 case TrayPower::NOTIFICATION_LOW_POWER: | |
| 67 return "low power"; | |
| 68 case TrayPower::NOTIFICATION_CRITICAL: | |
| 69 return "critical power"; | |
| 70 } | |
| 71 NOTREACHED() << "Unknown state " << notification_state; | |
| 72 return "Unknown state"; | |
| 73 } | |
| 74 | |
| 75 void LogBatteryForUsbCharger(TrayPower::NotificationState state, | |
| 76 int battery_percent) { | |
| 77 LOG(WARNING) << "Showing " << GetNotificationStateString(state) | |
| 78 << " notification. USB charger is connected. " | |
| 79 << "Battery percentage: " << battery_percent << "%."; | |
| 80 } | |
| 81 | |
| 82 void LogBatteryForNoCharger(TrayPower::NotificationState state, | |
| 83 int remaining_minutes) { | |
| 84 LOG(WARNING) << "Showing " << GetNotificationStateString(state) | |
| 85 << " notification. No charger connected." | |
| 86 << " Remaining time: " << remaining_minutes << " minutes."; | |
| 87 } | |
| 88 | |
| 89 } // namespace | |
| 90 | |
| 91 namespace tray { | |
| 92 | |
| 93 // This view is used only for the tray. | |
| 94 class PowerTrayView : public TrayItemView { | |
| 95 public: | |
| 96 explicit PowerTrayView(SystemTrayItem* owner) : TrayItemView(owner) { | |
| 97 CreateImageView(); | |
| 98 UpdateImage(); | |
| 99 } | |
| 100 | |
| 101 ~PowerTrayView() override {} | |
| 102 | |
| 103 // Overriden from views::View. | |
| 104 void GetAccessibleNodeData(ui::AXNodeData* node_data) override { | |
| 105 node_data->SetName(accessible_name_); | |
| 106 node_data->role = ui::AX_ROLE_BUTTON; | |
| 107 } | |
| 108 | |
| 109 void UpdateStatus(bool battery_alert) { | |
| 110 UpdateImage(); | |
| 111 SetVisible(PowerStatus::Get()->IsBatteryPresent()); | |
| 112 | |
| 113 if (battery_alert) { | |
| 114 accessible_name_ = PowerStatus::Get()->GetAccessibleNameString(true); | |
| 115 NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true); | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 private: | |
| 120 void UpdateImage() { | |
| 121 const PowerStatus::BatteryImageInfo info = | |
| 122 PowerStatus::Get()->GetBatteryImageInfo(PowerStatus::ICON_LIGHT); | |
| 123 if (info != previous_image_info_) { | |
| 124 image_view()->SetImage(PowerStatus::Get()->GetBatteryImage(info)); | |
| 125 previous_image_info_ = info; | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 base::string16 accessible_name_; | |
| 130 | |
| 131 // Information about the last-used image. Cached to avoid unnecessary updates | |
| 132 // (http://crbug.com/589348). | |
| 133 PowerStatus::BatteryImageInfo previous_image_info_; | |
| 134 | |
| 135 DISALLOW_COPY_AND_ASSIGN(PowerTrayView); | |
| 136 }; | |
| 137 | |
| 138 } // namespace tray | |
| 139 | |
| 140 const int TrayPower::kCriticalMinutes = 5; | |
| 141 const int TrayPower::kLowPowerMinutes = 15; | |
| 142 const int TrayPower::kNoWarningMinutes = 30; | |
| 143 const int TrayPower::kCriticalPercentage = 5; | |
| 144 const int TrayPower::kLowPowerPercentage = 10; | |
| 145 const int TrayPower::kNoWarningPercentage = 15; | |
| 146 | |
| 147 const char TrayPower::kUsbNotificationId[] = "usb-charger"; | |
| 148 | |
| 149 TrayPower::TrayPower(SystemTray* system_tray, MessageCenter* message_center) | |
| 150 : SystemTrayItem(system_tray, UMA_POWER), | |
| 151 message_center_(message_center), | |
| 152 power_tray_(NULL), | |
| 153 notification_state_(NOTIFICATION_NONE), | |
| 154 usb_charger_was_connected_(false), | |
| 155 line_power_was_connected_(false), | |
| 156 usb_notification_dismissed_(false) { | |
| 157 PowerStatus::Get()->AddObserver(this); | |
| 158 } | |
| 159 | |
| 160 TrayPower::~TrayPower() { | |
| 161 PowerStatus::Get()->RemoveObserver(this); | |
| 162 message_center_->RemoveNotification(kUsbNotificationId, false); | |
| 163 } | |
| 164 | |
| 165 views::View* TrayPower::CreateTrayView(LoginStatus status) { | |
| 166 // There may not be enough information when this is created about whether | |
| 167 // there is a battery or not. So always create this, and adjust visibility as | |
| 168 // necessary. | |
| 169 CHECK(power_tray_ == NULL); | |
| 170 power_tray_ = new tray::PowerTrayView(this); | |
| 171 power_tray_->UpdateStatus(false); | |
| 172 return power_tray_; | |
| 173 } | |
| 174 | |
| 175 views::View* TrayPower::CreateDefaultView(LoginStatus status) { | |
| 176 // Make sure icon status is up to date. (Also triggers stub activation). | |
| 177 PowerStatus::Get()->RequestStatusUpdate(); | |
| 178 return NULL; | |
| 179 } | |
| 180 | |
| 181 void TrayPower::DestroyTrayView() { | |
| 182 power_tray_ = NULL; | |
| 183 } | |
| 184 | |
| 185 void TrayPower::DestroyDefaultView() {} | |
| 186 | |
| 187 void TrayPower::UpdateAfterLoginStatusChange(LoginStatus status) {} | |
| 188 | |
| 189 void TrayPower::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) { | |
| 190 SetTrayImageItemBorder(power_tray_, alignment); | |
| 191 } | |
| 192 | |
| 193 void TrayPower::OnPowerStatusChanged() { | |
| 194 bool battery_alert = UpdateNotificationState(); | |
| 195 if (power_tray_) | |
| 196 power_tray_->UpdateStatus(battery_alert); | |
| 197 | |
| 198 // Factory testing may place the battery into unusual states. | |
| 199 if (base::CommandLine::ForCurrentProcess()->HasSwitch( | |
| 200 ash::switches::kAshHideNotificationsForFactory)) | |
| 201 return; | |
| 202 | |
| 203 MaybeShowUsbChargerNotification(); | |
| 204 MaybeShowDualRoleNotification(); | |
| 205 | |
| 206 if (battery_alert) { | |
| 207 // Remove any existing notification so it's dismissed before adding a new | |
| 208 // one. Otherwise we might update a "low battery" notification to "critical" | |
| 209 // without it being shown again. | |
| 210 battery_notification_.reset(); | |
| 211 battery_notification_.reset( | |
| 212 new BatteryNotification(message_center_, notification_state_)); | |
| 213 } else if (notification_state_ == NOTIFICATION_NONE) { | |
| 214 battery_notification_.reset(); | |
| 215 } else if (battery_notification_.get()) { | |
| 216 battery_notification_->Update(notification_state_); | |
| 217 } | |
| 218 | |
| 219 usb_charger_was_connected_ = PowerStatus::Get()->IsUsbChargerConnected(); | |
| 220 line_power_was_connected_ = PowerStatus::Get()->IsLinePowerConnected(); | |
| 221 } | |
| 222 | |
| 223 bool TrayPower::MaybeShowUsbChargerNotification() { | |
| 224 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); | |
| 225 const PowerStatus& status = *PowerStatus::Get(); | |
| 226 | |
| 227 bool usb_charger_is_connected = status.IsUsbChargerConnected(); | |
| 228 | |
| 229 // Check for a USB charger being connected. | |
| 230 if (usb_charger_is_connected && !usb_charger_was_connected_ && | |
| 231 !usb_notification_dismissed_) { | |
| 232 std::unique_ptr<Notification> notification(new Notification( | |
| 233 message_center::NOTIFICATION_TYPE_SIMPLE, kUsbNotificationId, | |
| 234 rb.GetLocalizedString(IDS_ASH_STATUS_TRAY_LOW_POWER_CHARGER_TITLE), | |
| 235 ash::SubstituteChromeOSDeviceType( | |
| 236 IDS_ASH_STATUS_TRAY_LOW_POWER_CHARGER_MESSAGE_SHORT), | |
| 237 rb.GetImageNamed(IDR_AURA_NOTIFICATION_LOW_POWER_CHARGER), | |
| 238 base::string16(), GURL(), | |
| 239 message_center::NotifierId(message_center::NotifierId::SYSTEM_COMPONENT, | |
| 240 system_notifier::kNotifierPower), | |
| 241 message_center::RichNotificationData(), | |
| 242 new UsbNotificationDelegate(this))); | |
| 243 message_center_->AddNotification(std::move(notification)); | |
| 244 return true; | |
| 245 } else if (!usb_charger_is_connected && usb_charger_was_connected_) { | |
| 246 // USB charger was unplugged or was identified as a different type while | |
| 247 // the USB charger notification was showing. | |
| 248 message_center_->RemoveNotification(kUsbNotificationId, false); | |
| 249 if (!status.IsLinePowerConnected()) | |
| 250 usb_notification_dismissed_ = false; | |
| 251 return true; | |
| 252 } | |
| 253 return false; | |
| 254 } | |
| 255 | |
| 256 void TrayPower::MaybeShowDualRoleNotification() { | |
| 257 const PowerStatus& status = *PowerStatus::Get(); | |
| 258 if (!status.HasDualRoleDevices()) { | |
| 259 dual_role_notification_.reset(); | |
| 260 return; | |
| 261 } | |
| 262 | |
| 263 if (!dual_role_notification_) | |
| 264 dual_role_notification_.reset(new DualRoleNotification(message_center_)); | |
| 265 dual_role_notification_->Update(); | |
| 266 } | |
| 267 | |
| 268 bool TrayPower::UpdateNotificationState() { | |
| 269 const PowerStatus& status = *PowerStatus::Get(); | |
| 270 if (!status.IsBatteryPresent() || status.IsBatteryTimeBeingCalculated() || | |
| 271 status.IsMainsChargerConnected()) { | |
| 272 notification_state_ = NOTIFICATION_NONE; | |
| 273 return false; | |
| 274 } | |
| 275 | |
| 276 return status.IsUsbChargerConnected() | |
| 277 ? UpdateNotificationStateForRemainingPercentage() | |
| 278 : UpdateNotificationStateForRemainingTime(); | |
| 279 } | |
| 280 | |
| 281 bool TrayPower::UpdateNotificationStateForRemainingTime() { | |
| 282 // The notification includes a rounded minutes value, so round the estimate | |
| 283 // received from the power manager to match. | |
| 284 const int remaining_minutes = static_cast<int>( | |
| 285 PowerStatus::Get()->GetBatteryTimeToEmpty().InSecondsF() / 60.0 + 0.5); | |
| 286 | |
| 287 if (remaining_minutes >= kNoWarningMinutes || | |
| 288 PowerStatus::Get()->IsBatteryFull()) { | |
| 289 notification_state_ = NOTIFICATION_NONE; | |
| 290 return false; | |
| 291 } | |
| 292 | |
| 293 switch (notification_state_) { | |
| 294 case NOTIFICATION_NONE: | |
| 295 if (remaining_minutes <= kCriticalMinutes) { | |
| 296 notification_state_ = NOTIFICATION_CRITICAL; | |
| 297 LogBatteryForNoCharger(notification_state_, remaining_minutes); | |
| 298 return true; | |
| 299 } | |
| 300 if (remaining_minutes <= kLowPowerMinutes) { | |
| 301 notification_state_ = NOTIFICATION_LOW_POWER; | |
| 302 LogBatteryForNoCharger(notification_state_, remaining_minutes); | |
| 303 return true; | |
| 304 } | |
| 305 return false; | |
| 306 case NOTIFICATION_LOW_POWER: | |
| 307 if (remaining_minutes <= kCriticalMinutes) { | |
| 308 notification_state_ = NOTIFICATION_CRITICAL; | |
| 309 LogBatteryForNoCharger(notification_state_, remaining_minutes); | |
| 310 return true; | |
| 311 } | |
| 312 return false; | |
| 313 case NOTIFICATION_CRITICAL: | |
| 314 return false; | |
| 315 } | |
| 316 NOTREACHED(); | |
| 317 return false; | |
| 318 } | |
| 319 | |
| 320 bool TrayPower::UpdateNotificationStateForRemainingPercentage() { | |
| 321 // The notification includes a rounded percentage, so round the value received | |
| 322 // from the power manager to match. | |
| 323 const int remaining_percentage = | |
| 324 PowerStatus::Get()->GetRoundedBatteryPercent(); | |
| 325 | |
| 326 if (remaining_percentage >= kNoWarningPercentage || | |
| 327 PowerStatus::Get()->IsBatteryFull()) { | |
| 328 notification_state_ = NOTIFICATION_NONE; | |
| 329 return false; | |
| 330 } | |
| 331 | |
| 332 switch (notification_state_) { | |
| 333 case NOTIFICATION_NONE: | |
| 334 if (remaining_percentage <= kCriticalPercentage) { | |
| 335 notification_state_ = NOTIFICATION_CRITICAL; | |
| 336 LogBatteryForUsbCharger(notification_state_, remaining_percentage); | |
| 337 return true; | |
| 338 } | |
| 339 if (remaining_percentage <= kLowPowerPercentage) { | |
| 340 notification_state_ = NOTIFICATION_LOW_POWER; | |
| 341 LogBatteryForUsbCharger(notification_state_, remaining_percentage); | |
| 342 return true; | |
| 343 } | |
| 344 return false; | |
| 345 case NOTIFICATION_LOW_POWER: | |
| 346 if (remaining_percentage <= kCriticalPercentage) { | |
| 347 notification_state_ = NOTIFICATION_CRITICAL; | |
| 348 LogBatteryForUsbCharger(notification_state_, remaining_percentage); | |
| 349 return true; | |
| 350 } | |
| 351 return false; | |
| 352 case NOTIFICATION_CRITICAL: | |
| 353 return false; | |
| 354 } | |
| 355 NOTREACHED(); | |
| 356 return false; | |
| 357 } | |
| 358 | |
| 359 void TrayPower::NotifyUsbNotificationClosedByUser() { | |
| 360 usb_notification_dismissed_ = true; | |
| 361 } | |
| 362 | |
| 363 } // namespace ash | |
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