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