src/ash/system/chromeos/session/logout_button_tray.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 "ash/system/chromeos/session/logout_button_tray.h"
   6
   7 #include "ash/shelf/shelf_types.h"
   8 #include "ash/shell.h"
   9 #include "ash/system/chromeos/session/logout_confirmation_controller.h"
  10 #include "ash/system/status_area_widget.h"
  11 #include "ash/system/tray/system_tray_delegate.h"
  12 #include "ash/system/tray/system_tray_notifier.h"
  13 #include "ash/system/tray/tray_constants.h"
  14 #include "ash/system/tray/tray_utils.h"
  15 #include "base/logging.h"
  16 #include "base/memory/scoped_ptr.h"
  17 #include "grit/ash_resources.h"
  18 #include "third_party/skia/include/core/SkColor.h"
  19 #include "ui/events/event.h"
  20 #include "ui/gfx/geometry/insets.h"
  21 #include "ui/gfx/geometry/size.h"
  22 #include "ui/views/bubble/tray_bubble_view.h"
  23 #include "ui/views/controls/button/label_button.h"
  24 #include "ui/views/controls/button/label_button_border.h"
  25 #include "ui/views/painter.h"
  26
  27 namespace ash {
  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 }  // namespace
  66
  67 LogoutButton::LogoutButton(views::ButtonListener* listener)
  68     : views::LabelButton(listener, base::string16()) {
  69   SetupLabelForTray(label());
  70   SetFontList(label()->font_list());
  71   for (size_t state = 0; state < views::Button::STATE_COUNT; ++state)
  72     SetTextColor(static_cast<views::Button::ButtonState>(state), SK_ColorWHITE);
  73
  74   scoped_ptr<views::LabelButtonBorder> border(
  75       new views::LabelButtonBorder(views::Button::STYLE_TEXTBUTTON));
  76   border->SetPainter(false, views::Button::STATE_NORMAL,
  77       views::Painter::CreateImageGridPainter(kLogoutButtonNormalImages));
  78   border->SetPainter(false, views::Button::STATE_HOVERED,
  79       views::Painter::CreateImageGridPainter(kLogoutButtonNormalImages));
  80   border->SetPainter(false, views::Button::STATE_PRESSED,
  81       views::Painter::CreateImageGridPainter(kLogoutButtonPushedImages));
  82   gfx::Insets insets = border->GetInsets();
  83   insets += gfx::Insets(0, kLogoutButtonHorizontalExtraPadding,
  84                         0, kLogoutButtonHorizontalExtraPadding);
  85   border->set_insets(insets);
  86   SetBorder(border.Pass());
  87   set_animate_on_state_change(false);
  88
  89   SetMinSize(gfx::Size(0, kShelfItemHeight));
  90 }
  91
  92 LogoutButton::~LogoutButton() {
  93 }
  94
  95 LogoutButtonTray::LogoutButtonTray(StatusAreaWidget* status_area_widget)
  96     : TrayBackgroundView(status_area_widget),
  97       button_(NULL),
  98       login_status_(user::LOGGED_IN_NONE),
  99       show_logout_button_in_tray_(false) {
 100   button_ = new LogoutButton(this);
 101   tray_container()->AddChildView(button_);
 102   tray_container()->SetBorder(views::Border::NullBorder());
 103   Shell::GetInstance()->system_tray_notifier()->AddLogoutButtonObserver(this);
 104 }
 105
 106 LogoutButtonTray::~LogoutButtonTray() {
 107   Shell::GetInstance()->system_tray_notifier()->
 108       RemoveLogoutButtonObserver(this);
 109 }
 110
 111 void LogoutButtonTray::SetShelfAlignment(ShelfAlignment alignment) {
 112   TrayBackgroundView::SetShelfAlignment(alignment);
 113   tray_container()->SetBorder(views::Border::NullBorder());
 114 }
 115
 116 base::string16 LogoutButtonTray::GetAccessibleNameForTray() {
 117   return button_->GetText();
 118 }
 119
 120 void LogoutButtonTray::HideBubbleWithView(
 121     const views::TrayBubbleView* bubble_view) {
 122 }
 123
 124 bool LogoutButtonTray::ClickedOutsideBubble() {
 125   return false;
 126 }
 127
 128 void LogoutButtonTray::OnShowLogoutButtonInTrayChanged(bool show) {
 129   show_logout_button_in_tray_ = show;
 130   UpdateVisibility();
 131 }
 132
 133 void LogoutButtonTray::OnLogoutDialogDurationChanged(base::TimeDelta duration) {
 134   dialog_duration_ = duration;
 135 }
 136
 137 void LogoutButtonTray::ButtonPressed(views::Button* sender,
 138                                      const ui::Event& event) {
 139   DCHECK_EQ(sender, button_);
 140   if (dialog_duration_ <= base::TimeDelta()) {
 141     // Sign out immediately if |dialog_duration_| is non-positive.
 142     Shell::GetInstance()->system_tray_delegate()->SignOut();
 143   } else if (Shell::GetInstance()->logout_confirmation_controller()) {
 144     Shell::GetInstance()->logout_confirmation_controller()->ConfirmLogout(
 145         base::TimeTicks::Now() + dialog_duration_);
 146   }
 147 }
 148
 149 void LogoutButtonTray::UpdateAfterLoginStatusChange(
 150     user::LoginStatus login_status) {
 151   login_status_ = login_status;
 152   const base::string16 title =
 153       GetLocalizedSignOutStringForStatus(login_status, false);
 154   button_->SetText(title);
 155   button_->SetAccessibleName(title);
 156   UpdateVisibility();
 157 }
 158
 159 void LogoutButtonTray::UpdateVisibility() {
 160   SetVisible(show_logout_button_in_tray_ &&
 161              login_status_ != user::LOGGED_IN_NONE &&
 162              login_status_ != user::LOGGED_IN_LOCKED);
 163 }
 164
 165 }  // namespace ash