athena/system/status_icon_container_view.cc

   1 // Copyright 2014 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 "athena/system/status_icon_container_view.h"
   6
   7 #include "athena/resources/athena_resources.h"
   8 #include "athena/system/network_selector.h"
   9 #include "base/bind.h"
  10 #include "base/macros.h"
  11 #include "base/strings/stringprintf.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "chromeos/dbus/dbus_thread_manager.h"
  14 #include "chromeos/dbus/power_manager/power_supply_properties.pb.h"
  15 #include "chromeos/dbus/power_manager_client.h"
  16 #include "chromeos/dbus/update_engine_client.h"
  17 #include "chromeos/network/network_state.h"
  18 #include "chromeos/network/network_state_handler.h"
  19 #include "chromeos/network/network_state_handler_observer.h"
  20 #include "chromeos/network/network_type_pattern.h"
  21 #include "extensions/shell/common/version.h"
  22 #include "ui/aura/window.h"
  23 #include "ui/base/resource/resource_bundle.h"
  24 #include "ui/gfx/image/image.h"
  25 #include "ui/gfx/image/image_skia.h"
  26 #include "ui/gfx/image/image_skia_operations.h"
  27 #include "ui/views/controls/image_view.h"
  28 #include "ui/views/controls/label.h"
  29 #include "ui/views/layout/box_layout.h"
  30
  31 namespace athena {
  32 namespace {
  33
  34 views::Label* CreateLabel(SystemUI::ColorScheme color_scheme,
  35                           const std::string& text) {
  36   views::Label* label = new views::Label(base::UTF8ToUTF16(text));
  37   label->SetEnabledColor((color_scheme == SystemUI::COLOR_SCHEME_LIGHT)
  38                              ? SK_ColorWHITE
  39                              : SK_ColorDKGRAY);
  40   label->SetAutoColorReadabilityEnabled(false);
  41   label->SetSubpixelRenderingEnabled(false);
  42   label->SetFontList(gfx::FontList().DeriveWithStyle(gfx::Font::BOLD));
  43   return label;
  44 }
  45
  46 }  // namespace
  47
  48 class StatusIconContainerView::PowerStatus
  49     : public chromeos::PowerManagerClient::Observer {
  50  public:
  51   PowerStatus(SystemUI::ColorScheme color_scheme,
  52               views::ImageView* icon)
  53       : color_scheme_(color_scheme),
  54         icon_(icon) {
  55     chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(
  56         this);
  57     chromeos::DBusThreadManager::Get()
  58         ->GetPowerManagerClient()
  59         ->RequestStatusUpdate();
  60   }
  61
  62   ~PowerStatus() override {
  63     chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(
  64         this);
  65   }
  66
  67  private:
  68   const gfx::ImageSkia GetPowerIcon(
  69       const power_manager::PowerSupplyProperties& proto) const {
  70     // Width and height of battery images.
  71     const int kBatteryImageHeight = 25;
  72     const int kBatteryImageWidth = 25;
  73
  74     // Number of different power states.
  75     const int kNumPowerImages = 15;
  76
  77     gfx::Image all = ui::ResourceBundle::GetSharedInstance().GetImageNamed(
  78         (color_scheme_ == SystemUI::COLOR_SCHEME_LIGHT)
  79             ? IDR_AURA_UBER_TRAY_POWER_SMALL
  80             : IDR_AURA_UBER_TRAY_POWER_SMALL_DARK);
  81     int horiz_offset = IsCharging(proto) ? 1 : 0;
  82     int vert_offset = -1;
  83     if (proto.battery_percent() >= 100) {
  84       vert_offset = kNumPowerImages - 1;
  85     } else {
  86       vert_offset = static_cast<int>((kNumPowerImages - 1) *
  87                                      proto.battery_percent() / 100);
  88       vert_offset = std::max(std::min(vert_offset, kNumPowerImages - 2), 0);
  89     }
  90     gfx::Rect region(horiz_offset * kBatteryImageWidth,
  91                      vert_offset * kBatteryImageHeight,
  92                      kBatteryImageWidth,
  93                      kBatteryImageHeight);
  94     return gfx::ImageSkiaOperations::ExtractSubset(*all.ToImageSkia(), region);
  95   }
  96
  97   bool IsCharging(const power_manager::PowerSupplyProperties& proto) const {
  98     return proto.external_power() !=
  99            power_manager::PowerSupplyProperties_ExternalPower_DISCONNECTED;
 100   }
 101
 102   // chromeos::PowerManagerClient::Observer:
 103   virtual void PowerChanged(
 104       const power_manager::PowerSupplyProperties& proto) override {
 105     icon_->SetImage(GetPowerIcon(proto));
 106   }
 107
 108   SystemUI::ColorScheme color_scheme_;
 109   views::ImageView* icon_;
 110
 111   DISALLOW_COPY_AND_ASSIGN(PowerStatus);
 112 };
 113
 114 class StatusIconContainerView::NetworkStatus
 115     : public chromeos::NetworkStateHandlerObserver {
 116  public:
 117   explicit NetworkStatus(views::Label* label) : label_(label) {
 118     chromeos::NetworkStateHandler* handler =
 119         chromeos::NetworkHandler::Get()->network_state_handler();
 120     handler->AddObserver(this, FROM_HERE);
 121   }
 122
 123   ~NetworkStatus() override {
 124     chromeos::NetworkStateHandler* handler =
 125         chromeos::NetworkHandler::Get()->network_state_handler();
 126     handler->RemoveObserver(this, FROM_HERE);
 127   }
 128
 129  private:
 130   void Update() {
 131     std::string status = "<unknown>";
 132     chromeos::NetworkStateHandler* handler =
 133         chromeos::NetworkHandler::Get()->network_state_handler();
 134     const chromeos::NetworkState* network = handler->DefaultNetwork();
 135     if (!network) {
 136       network = handler->ConnectedNetworkByType(
 137           chromeos::NetworkTypePattern::NonVirtual());
 138     }
 139     if (network) {
 140       status = base::StringPrintf(
 141           "%s (%s)", network->ip_address().c_str(), network->name().c_str());
 142     }
 143     label_->SetText(base::UTF8ToUTF16(status));
 144   }
 145
 146   // chromeos::NetworkStateHandlerObserver:
 147   virtual void DefaultNetworkChanged(
 148       const chromeos::NetworkState* network) override {
 149     Update();
 150   }
 151
 152   virtual void NetworkConnectionStateChanged(
 153       const chromeos::NetworkState* network) override {
 154     Update();
 155   }
 156
 157   virtual void NetworkPropertiesUpdated(
 158       const chromeos::NetworkState* network) override {
 159     Update();
 160   }
 161
 162   views::Label* label_;
 163
 164   DISALLOW_COPY_AND_ASSIGN(NetworkStatus);
 165 };
 166
 167 void StartUpdateCallback(
 168     chromeos::UpdateEngineClient::UpdateCheckResult result) {
 169   VLOG(1) << "Callback from RequestUpdateCheck, result " << result;
 170 }
 171
 172 class StatusIconContainerView::UpdateStatus
 173     : public chromeos::UpdateEngineClient::Observer {
 174  public:
 175   UpdateStatus(SystemUI::ColorScheme color_scheme, views::ImageView* icon)
 176       : color_scheme_(color_scheme),
 177         icon_(icon) {
 178     chromeos::DBusThreadManager::Get()->GetUpdateEngineClient()->AddObserver(
 179         this);
 180     chromeos::DBusThreadManager::Get()->GetUpdateEngineClient()->
 181         RequestUpdateCheck(base::Bind(StartUpdateCallback));
 182   }
 183
 184   ~UpdateStatus() override {
 185     chromeos::DBusThreadManager::Get()->GetUpdateEngineClient()->RemoveObserver(
 186         this);
 187   }
 188
 189   // chromeos::UpdateEngineClient::Observer:
 190   virtual void UpdateStatusChanged(
 191       const chromeos::UpdateEngineClient::Status& status) override {
 192     if (status.status !=
 193         chromeos::UpdateEngineClient::UPDATE_STATUS_UPDATED_NEED_REBOOT) {
 194       return;
 195     }
 196     int image_id = (color_scheme_ == SystemUI::COLOR_SCHEME_LIGHT)
 197                        ? IDR_AURA_UBER_TRAY_UPDATE
 198                        : IDR_AURA_UBER_TRAY_UPDATE_DARK;
 199     icon_->SetImage(
 200         ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(image_id));
 201   }
 202
 203  private:
 204   SystemUI::ColorScheme color_scheme_;
 205   views::ImageView* icon_;
 206
 207   DISALLOW_COPY_AND_ASSIGN(UpdateStatus);
 208 };
 209
 210 StatusIconContainerView::StatusIconContainerView(
 211     SystemUI::ColorScheme color_scheme) {
 212   const int kHorizontalSpacing = 10;
 213   const int kVerticalSpacing = 3;
 214   const int kBetweenChildSpacing = 10;
 215   SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal,
 216                                         kHorizontalSpacing,
 217                                         kVerticalSpacing,
 218                                         kBetweenChildSpacing));
 219
 220   std::string version_text =
 221       base::StringPrintf("%s (Build %s)", PRODUCT_VERSION, LAST_CHANGE);
 222   AddChildView(CreateLabel(color_scheme, version_text));
 223
 224   AddChildView(CreateLabel(color_scheme, "Network:"));
 225   views::Label* network_label = CreateLabel(color_scheme, std::string());
 226   AddChildView(network_label);
 227   if (chromeos::NetworkHandler::IsInitialized())
 228     network_status_.reset(new NetworkStatus(network_label));
 229
 230   views::ImageView* battery_view = new views::ImageView();
 231   AddChildView(battery_view);
 232   power_status_.reset(new PowerStatus(color_scheme, battery_view));
 233
 234   views::ImageView* update_view = new views::ImageView();
 235   AddChildView(update_view);
 236   update_status_.reset(new UpdateStatus(color_scheme, update_view));
 237 }
 238
 239 StatusIconContainerView::~StatusIconContainerView() {
 240 }
 241
 242 bool StatusIconContainerView::OnMousePressed(const ui::MouseEvent& event) {
 243   CreateNetworkSelector();
 244   return true;
 245 }
 246
 247 void StatusIconContainerView::OnGestureEvent(ui::GestureEvent* event) {
 248   if (event->type() == ui::ET_GESTURE_TAP) {
 249     CreateNetworkSelector();
 250     event->SetHandled();
 251   }
 252 }
 253
 254 void StatusIconContainerView::ChildPreferredSizeChanged(views::View* child) {
 255   PreferredSizeChanged();
 256 }
 257
 258 }  // namespace athena