ash/system/date/tray_date.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/date/tray_date.h"
   6
   7 #include "ash/shell.h"
   8 #include "ash/system/date/date_default_view.h"
   9 #include "ash/system/date/date_view.h"
  10 #include "ash/system/tray/system_tray.h"
  11 #include "ash/system/tray/system_tray_notifier.h"
  12 #include "ash/system/tray/tray_item_view.h"
  13
  14 #if defined(OS_CHROMEOS)
  15 #include "ash/system/chromeos/system_clock_observer.h"
  16 #endif
  17
  18 namespace ash {
  19
  20 TrayDate::TrayDate(SystemTray* system_tray)
  21     : SystemTrayItem(system_tray),
  22       time_tray_(NULL),
  23       default_view_(NULL),
  24       login_status_(user::LOGGED_IN_NONE) {
  25 #if defined(OS_CHROMEOS)
  26   system_clock_observer_.reset(new SystemClockObserver());
  27 #endif
  28   Shell::GetInstance()->system_tray_notifier()->AddClockObserver(this);
  29 }
  30
  31 TrayDate::~TrayDate() {
  32   Shell::GetInstance()->system_tray_notifier()->RemoveClockObserver(this);
  33 }
  34
  35 views::View* TrayDate::GetHelpButtonView() const {
  36   if (!default_view_)
  37     return NULL;
  38   return default_view_->GetHelpButtonView();
  39 }
  40
  41 const tray::TimeView* TrayDate::GetTimeTrayForTesting() const {
  42   return time_tray_;
  43 }
  44
  45 const DateDefaultView* TrayDate::GetDefaultViewForTesting() const {
  46   return default_view_;
  47 }
  48
  49 views::View* TrayDate::CreateDefaultViewForTesting(user::LoginStatus status) {
  50   return CreateDefaultView(status);
  51 }
  52
  53 views::View* TrayDate::CreateTrayView(user::LoginStatus status) {
  54   CHECK(time_tray_ == NULL);
  55   ClockLayout clock_layout =
  56       (system_tray()->shelf_alignment() == SHELF_ALIGNMENT_BOTTOM ||
  57        system_tray()->shelf_alignment() == SHELF_ALIGNMENT_TOP) ?
  58           HORIZONTAL_CLOCK : VERTICAL_CLOCK;
  59   time_tray_ = new tray::TimeView(clock_layout);
  60   views::View* view = new TrayItemView(this);
  61   view->AddChildView(time_tray_);
  62   return view;
  63 }
  64
  65 views::View* TrayDate::CreateDefaultView(user::LoginStatus status) {
  66   default_view_ = new DateDefaultView(status);
  67
  68 #if defined(OS_CHROMEOS)
  69   // Save the login status we created the view with.
  70   login_status_ = status;
  71
  72   OnSystemClockCanSetTimeChanged(system_clock_observer_->can_set_time());
  73 #endif
  74   return default_view_;
  75 }
  76
  77 views::View* TrayDate::CreateDetailedView(user::LoginStatus status) {
  78   return NULL;
  79 }
  80
  81 void TrayDate::DestroyTrayView() {
  82   time_tray_ = NULL;
  83 }
  84
  85 void TrayDate::DestroyDefaultView() {
  86   default_view_ = NULL;
  87 }
  88
  89 void TrayDate::DestroyDetailedView() {
  90 }
  91
  92 void TrayDate::UpdateAfterLoginStatusChange(user::LoginStatus status) {
  93 }
  94
  95 void TrayDate::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) {
  96   if (time_tray_) {
  97     ClockLayout clock_layout = (alignment == SHELF_ALIGNMENT_BOTTOM ||
  98         alignment == SHELF_ALIGNMENT_TOP) ?
  99             HORIZONTAL_CLOCK : VERTICAL_CLOCK;
 100     time_tray_->UpdateClockLayout(clock_layout);
 101   }
 102 }
 103
 104 void TrayDate::OnDateFormatChanged() {
 105   if (time_tray_)
 106     time_tray_->UpdateTimeFormat();
 107   if (default_view_)
 108     default_view_->GetDateView()->UpdateTimeFormat();
 109 }
 110
 111 void TrayDate::OnSystemClockTimeUpdated() {
 112   if (time_tray_)
 113     time_tray_->UpdateTimeFormat();
 114   if (default_view_)
 115     default_view_->GetDateView()->UpdateTimeFormat();
 116 }
 117
 118 void TrayDate::OnSystemClockCanSetTimeChanged(bool can_set_time) {
 119   // Outside of a logged-in session, the date button should launch the set time
 120   // dialog if the time can be set.
 121   if (default_view_ && login_status_ == user::LOGGED_IN_NONE) {
 122     default_view_->GetDateView()->SetAction(
 123         can_set_time ? TrayDate::SET_SYSTEM_TIME : TrayDate::NONE);
 124   }
 125 }
 126
 127 void TrayDate::Refresh() {
 128   if (time_tray_)
 129     time_tray_->UpdateText();
 130 }
 131
 132 }  // namespace ash