src/ash/system/logout_button/logout_button_tray.cc

   1 // Copyright 2013 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/logout_button/logout_button_tray.h"
   6
   7 #include "ash/shelf/shelf_types.h"
   8 #include "ash/shell.h"
   9 #include "ash/system/status_area_widget.h"
  10 #include "ash/system/tray/system_tray_delegate.h"
  11 #include "ash/system/tray/system_tray_notifier.h"
  12 #include "ash/system/tray/tray_constants.h"
  13 #include "ash/system/tray/tray_utils.h"
  14 #include "base/logging.h"
  15 #include "grit/ash_resources.h"
  16 #include "third_party/skia/include/core/SkColor.h"
  17 #include "ui/events/event.h"
  18 #include "ui/gfx/geometry/insets.h"
  19 #include "ui/gfx/geometry/size.h"
  20 #include "ui/views/bubble/tray_bubble_view.h"
  21 #include "ui/views/controls/button/label_button.h"
  22 #include "ui/views/controls/button/label_button_border.h"
  23 #include "ui/views/painter.h"
  24
  25 namespace ash {
  26 namespace internal {
  27
  28 namespace {
  29
  30 const int kLogoutButtonHorizontalExtraPadding = 7;
  31
  32 const int kLogoutButtonNormalImages[] = {
  33   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_TOP_LEFT,
  34   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_TOP,
  35   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_TOP_RIGHT,
  36   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_LEFT,
  37   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_CENTER,
  38   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_RIGHT,
  39   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_BOTTOM_LEFT,
  40   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_BOTTOM,
  41   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_BOTTOM_RIGHT
  42 };
  43
  44 const int kLogoutButtonPushedImages[] = {
  45   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_TOP_LEFT,
  46   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_TOP,
  47   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_TOP_RIGHT,
  48   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_LEFT,
  49   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_CENTER,
  50   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_RIGHT,
  51   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_BOTTOM_LEFT,
  52   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_BOTTOM,
  53   IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_BOTTOM_RIGHT
  54 };
  55
  56 class LogoutButton : public views::LabelButton {
  57  public:
  58   LogoutButton(views::ButtonListener* listener);
  59   virtual ~LogoutButton();
  60
  61  private:
  62   DISALLOW_COPY_AND_ASSIGN(LogoutButton);
  63 };
  64
  65 class LogoutConfirmationDialogDelegate
  66     : public LogoutConfirmationDialogView::Delegate {
  67
  68  public:
  69   LogoutConfirmationDialogDelegate() {}
  70   virtual ~LogoutConfirmationDialogDelegate() {}
  71
  72   virtual void LogoutCurrentUser() OVERRIDE;
  73   virtual base::TimeTicks GetCurrentTime() const OVERRIDE;
  74   virtual void ShowDialog(views::DialogDelegate* dialog) OVERRIDE;
  75
  76  private:
  77   DISALLOW_COPY_AND_ASSIGN(LogoutConfirmationDialogDelegate);
  78 };
  79
  80 }  // namespace
  81
  82 LogoutButton::LogoutButton(views::ButtonListener* listener)
  83     : views::LabelButton(listener, base::string16()) {
  84   SetupLabelForTray(label());
  85   SetFontList(label()->font_list());
  86   for (size_t state = 0; state < views::Button::STATE_COUNT; ++state)
  87     SetTextColor(static_cast<views::Button::ButtonState>(state), SK_ColorWHITE);
  88
  89   scoped_ptr<views::LabelButtonBorder> border(
  90       new views::LabelButtonBorder(views::Button::STYLE_TEXTBUTTON));
  91   border->SetPainter(false, views::Button::STATE_NORMAL,
  92       views::Painter::CreateImageGridPainter(kLogoutButtonNormalImages));
  93   border->SetPainter(false, views::Button::STATE_HOVERED,
  94       views::Painter::CreateImageGridPainter(kLogoutButtonNormalImages));
  95   border->SetPainter(false, views::Button::STATE_PRESSED,
  96       views::Painter::CreateImageGridPainter(kLogoutButtonPushedImages));
  97   gfx::Insets insets = border->GetInsets();
  98   insets += gfx::Insets(0, kLogoutButtonHorizontalExtraPadding,
  99                         0, kLogoutButtonHorizontalExtraPadding);
 100   border->set_insets(insets);
 101   SetBorder(border.PassAs<views::Border>());
 102   set_animate_on_state_change(false);
 103
 104   set_min_size(gfx::Size(0, GetShelfItemHeight()));
 105 }
 106
 107 LogoutButton::~LogoutButton() {
 108 }
 109
 110 void LogoutConfirmationDialogDelegate::LogoutCurrentUser() {
 111   Shell::GetInstance()->system_tray_delegate()->SignOut();
 112 }
 113
 114 base::TimeTicks LogoutConfirmationDialogDelegate::GetCurrentTime() const {
 115   return base::TimeTicks::Now();
 116 }
 117
 118 void LogoutConfirmationDialogDelegate::ShowDialog(
 119     views::DialogDelegate *dialog) {
 120   views::DialogDelegate::CreateDialogWidget(
 121       dialog, ash::Shell::GetPrimaryRootWindow(), NULL);
 122   dialog->GetWidget()->Show();
 123 }
 124
 125 LogoutButtonTray::LogoutButtonTray(StatusAreaWidget* status_area_widget)
 126     : TrayBackgroundView(status_area_widget),
 127       button_(NULL),
 128       login_status_(user::LOGGED_IN_NONE),
 129       show_logout_button_in_tray_(false),
 130       confirmation_dialog_(NULL),
 131       confirmation_delegate_(new LogoutConfirmationDialogDelegate) {
 132   button_ = new LogoutButton(this);
 133   tray_container()->AddChildView(button_);
 134   tray_container()->SetBorder(views::Border::NullBorder());
 135   // The Shell may not exist in some unit tests.
 136   if (Shell::HasInstance()) {
 137     Shell::GetInstance()->system_tray_notifier()->
 138         AddLogoutButtonObserver(this);
 139   }
 140 }
 141
 142 LogoutButtonTray::~LogoutButtonTray() {
 143   EnsureConfirmationDialogIsClosed();
 144   // The Shell may not exist in some unit tests.
 145   if (Shell::HasInstance()) {
 146     Shell::GetInstance()->system_tray_notifier()->
 147         RemoveLogoutButtonObserver(this);
 148   }
 149 }
 150
 151 bool LogoutButtonTray::IsConfirmationDialogShowing() const {
 152   return confirmation_dialog_ != NULL;
 153 }
 154
 155 void LogoutButtonTray::EnsureConfirmationDialogIsShowing() {
 156   if (!confirmation_dialog_) {
 157     confirmation_dialog_ = new LogoutConfirmationDialogView(
 158         this, confirmation_delegate_.get());
 159     confirmation_dialog_->Show(dialog_duration_);
 160   }
 161 }
 162
 163 void LogoutButtonTray::EnsureConfirmationDialogIsClosed() {
 164   if (confirmation_dialog_)
 165     confirmation_dialog_->Close();
 166 }
 167
 168 void LogoutButtonTray::SetShelfAlignment(ShelfAlignment alignment) {
 169   TrayBackgroundView::SetShelfAlignment(alignment);
 170   tray_container()->SetBorder(views::Border::NullBorder());
 171 }
 172
 173 base::string16 LogoutButtonTray::GetAccessibleNameForTray() {
 174   return button_->GetText();
 175 }
 176
 177 void LogoutButtonTray::HideBubbleWithView(
 178     const views::TrayBubbleView* bubble_view) {
 179 }
 180
 181 bool LogoutButtonTray::ClickedOutsideBubble() {
 182   return false;
 183 }
 184
 185 void LogoutButtonTray::OnShowLogoutButtonInTrayChanged(bool show) {
 186   show_logout_button_in_tray_ = show;
 187   UpdateVisibility();
 188 }
 189
 190 void LogoutButtonTray::OnLogoutDialogDurationChanged(base::TimeDelta duration) {
 191   dialog_duration_ = duration;
 192   if (confirmation_dialog_)
 193     confirmation_dialog_->UpdateDialogDuration(dialog_duration_);
 194 }
 195
 196 void LogoutButtonTray::ButtonPressed(views::Button* sender,
 197                                      const ui::Event& event) {
 198   DCHECK_EQ(sender, button_);
 199   // Sign out immediately if |dialog_duration_| is non-positive.
 200   if (dialog_duration_ <= base::TimeDelta())
 201     confirmation_delegate_->LogoutCurrentUser();
 202   else
 203     EnsureConfirmationDialogIsShowing();
 204 }
 205
 206 void LogoutButtonTray::UpdateAfterLoginStatusChange(
 207     user::LoginStatus login_status) {
 208   login_status_ = login_status;
 209   const base::string16 title =
 210       GetLocalizedSignOutStringForStatus(login_status, false);
 211   button_->SetText(title);
 212   button_->SetAccessibleName(title);
 213   UpdateVisibility();
 214 }
 215
 216 void LogoutButtonTray::ReleaseConfirmationDialog() {
 217   confirmation_dialog_ = NULL;
 218 }
 219
 220 void LogoutButtonTray::SetDelegateForTest(
 221     scoped_ptr<LogoutConfirmationDialogView::Delegate> delegate) {
 222   confirmation_delegate_ = delegate.Pass();
 223 }
 224
 225 void LogoutButtonTray::UpdateVisibility() {
 226   SetVisible(show_logout_button_in_tray_ &&
 227              login_status_ != user::LOGGED_IN_NONE &&
 228              login_status_ != user::LOGGED_IN_LOCKED);
 229   if (!show_logout_button_in_tray_)
 230     EnsureConfirmationDialogIsClosed();
 231 }
 232
 233 }  // namespace internal
 234 }  // namespace ash