ash/system/tray_update.cc

   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/system/tray_update.h"
   6
   7 #include "ash/root_window_controller.h"
   8 #include "ash/shelf/shelf_layout_manager.h"
   9 #include "ash/shelf/shelf_widget.h"
  10 #include "ash/shell.h"
  11 #include "ash/system/status_area_widget.h"
  12 #include "ash/system/tray/fixed_sized_image_view.h"
  13 #include "ash/system/tray/system_tray.h"
  14 #include "ash/system/tray/system_tray_delegate.h"
  15 #include "ash/system/tray/system_tray_notifier.h"
  16 #include "ash/system/tray/tray_constants.h"
  17 #include "base/time/time.h"
  18 #include "base/timer/timer.h"
  19 #include "grit/ash_resources.h"
  20 #include "grit/ash_strings.h"
  21 #include "ui/aura/window.h"
  22 #include "ui/base/resource/resource_bundle.h"
  23 #include "ui/compositor/layer.h"
  24 #include "ui/compositor/layer_animation_observer.h"
  25 #include "ui/compositor/layer_animation_sequence.h"
  26 #include "ui/gfx/image/image.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 #include "ui/views/widget/widget.h"
  31
  32 namespace {
  33
  34 // How many seconds should we wait before showing the nag reminder?
  35 const int kUpdateNaggingTimeSeconds = 24 * 60 * 60;
  36
  37 // How long should the nag reminder be displayed?
  38 const int kShowUpdateNaggerForSeconds = 15;
  39
  40 int DecideResource(ash::UpdateInfo::UpdateSeverity severity, bool dark) {
  41   switch (severity) {
  42     case ash::UpdateInfo::UPDATE_NORMAL:
  43       return dark ? IDR_AURA_UBER_TRAY_UPDATE_DARK:
  44                     IDR_AURA_UBER_TRAY_UPDATE;
  45
  46     case ash::UpdateInfo::UPDATE_LOW_GREEN:
  47       return dark ? IDR_AURA_UBER_TRAY_UPDATE_DARK_GREEN :
  48                     IDR_AURA_UBER_TRAY_UPDATE_GREEN;
  49
  50     case ash::UpdateInfo::UPDATE_HIGH_ORANGE:
  51       return dark ? IDR_AURA_UBER_TRAY_UPDATE_DARK_ORANGE :
  52                     IDR_AURA_UBER_TRAY_UPDATE_ORANGE;
  53
  54     case ash::UpdateInfo::UPDATE_SEVERE_RED:
  55       return dark ? IDR_AURA_UBER_TRAY_UPDATE_DARK_RED :
  56                     IDR_AURA_UBER_TRAY_UPDATE_RED;
  57   }
  58
  59   NOTREACHED() << "Unknown update severity level.";
  60   return 0;
  61 }
  62
  63 class UpdateView : public ash::ActionableView {
  64  public:
  65   explicit UpdateView(const ash::UpdateInfo& info) {
  66     SetLayoutManager(new
  67         views::BoxLayout(views::BoxLayout::kHorizontal,
  68         ash::kTrayPopupPaddingHorizontal, 0,
  69         ash::kTrayPopupPaddingBetweenItems));
  70
  71     ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
  72     views::ImageView* image =
  73         new ash::FixedSizedImageView(0, ash::kTrayPopupItemHeight);
  74     image->SetImage(bundle.GetImageNamed(DecideResource(info.severity, true))
  75                         .ToImageSkia());
  76
  77     AddChildView(image);
  78
  79     base::string16 label =
  80         info.factory_reset_required
  81             ? bundle.GetLocalizedString(
  82                   IDS_ASH_STATUS_TRAY_RESTART_AND_POWERWASH_TO_UPDATE)
  83             : bundle.GetLocalizedString(IDS_ASH_STATUS_TRAY_UPDATE);
  84     AddChildView(new views::Label(label));
  85     SetAccessibleName(label);
  86   }
  87
  88   ~UpdateView() override {}
  89
  90  private:
  91   // Overridden from ActionableView.
  92   bool PerformAction(const ui::Event& event) override {
  93     ash::Shell::GetInstance()->
  94         system_tray_delegate()->RequestRestartForUpdate();
  95     return true;
  96   }
  97
  98   DISALLOW_COPY_AND_ASSIGN(UpdateView);
  99 };
 100
 101 }
 102
 103 namespace ash {
 104 namespace tray {
 105
 106 class UpdateNagger : public ui::LayerAnimationObserver {
 107  public:
 108   explicit UpdateNagger(SystemTrayItem* owner)
 109       : owner_(owner) {
 110     RestartTimer();
 111     owner_->system_tray()->GetWidget()->GetNativeView()->layer()->
 112         GetAnimator()->AddObserver(this);
 113   }
 114
 115   ~UpdateNagger() override {
 116     StatusAreaWidget* status_area =
 117         Shell::GetPrimaryRootWindowController()->shelf()->status_area_widget();
 118     if (status_area) {
 119       status_area->system_tray()->GetWidget()->GetNativeView()->layer()->
 120           GetAnimator()->RemoveObserver(this);
 121     }
 122   }
 123
 124   void RestartTimer() {
 125     timer_.Stop();
 126     timer_.Start(FROM_HERE,
 127                  base::TimeDelta::FromSeconds(kUpdateNaggingTimeSeconds),
 128                  this,
 129                  &UpdateNagger::Nag);
 130   }
 131
 132  private:
 133   void Nag() {
 134     owner_->PopupDetailedView(kShowUpdateNaggerForSeconds, false);
 135   }
 136
 137   // Overridden from ui::LayerAnimationObserver.
 138   void OnLayerAnimationEnded(ui::LayerAnimationSequence* sequence) override {
 139     // TODO(oshima): Find out if the updator will be shown on non
 140     // primary display.
 141     if (Shell::GetPrimaryRootWindowController()->shelf()->IsVisible())
 142       timer_.Stop();
 143     else if (!timer_.IsRunning())
 144       RestartTimer();
 145   }
 146
 147   void OnLayerAnimationAborted(ui::LayerAnimationSequence* sequence) override {}
 148
 149   void OnLayerAnimationScheduled(
 150       ui::LayerAnimationSequence* sequence) override {}
 151
 152   SystemTrayItem* owner_;
 153   base::OneShotTimer<UpdateNagger> timer_;
 154
 155   DISALLOW_COPY_AND_ASSIGN(UpdateNagger);
 156 };
 157
 158 }  // namespace tray
 159
 160 TrayUpdate::TrayUpdate(SystemTray* system_tray)
 161     : TrayImageItem(system_tray, IDR_AURA_UBER_TRAY_UPDATE) {
 162   Shell::GetInstance()->system_tray_notifier()->AddUpdateObserver(this);
 163 }
 164
 165 TrayUpdate::~TrayUpdate() {
 166   Shell::GetInstance()->system_tray_notifier()->RemoveUpdateObserver(this);
 167 }
 168
 169 bool TrayUpdate::GetInitialVisibility() {
 170   UpdateInfo info;
 171   Shell::GetInstance()->system_tray_delegate()->GetSystemUpdateInfo(&info);
 172   return info.update_required;
 173 }
 174
 175 views::View* TrayUpdate::CreateDefaultView(user::LoginStatus status) {
 176   UpdateInfo info;
 177   Shell::GetInstance()->system_tray_delegate()->GetSystemUpdateInfo(&info);
 178   return info.update_required ? new UpdateView(info) : nullptr;
 179 }
 180
 181 views::View* TrayUpdate::CreateDetailedView(user::LoginStatus status) {
 182   return CreateDefaultView(status);
 183 }
 184
 185 void TrayUpdate::DestroyDetailedView() {
 186   if (nagger_) {
 187     // The nagger was being displayed. Now that the detailed view is being
 188     // closed, that means either the user clicks on it to restart, or the user
 189     // didn't click on it to restart. In either case, start the timer to show
 190     // the nag reminder again after the specified time.
 191     nagger_->RestartTimer();
 192   }
 193 }
 194
 195 void TrayUpdate::OnUpdateRecommended(const UpdateInfo& info) {
 196   SetImageFromResourceId(DecideResource(info.severity, false));
 197   tray_view()->SetVisible(true);
 198   if (!Shell::GetPrimaryRootWindowController()->shelf()->IsVisible() &&
 199       !nagger_.get()) {
 200     // The shelf is not visible, and there is no nagger scheduled.
 201     nagger_.reset(new tray::UpdateNagger(this));
 202   }
 203 }
 204
 205 }  // namespace ash