ash/system/date/tray_date.cc

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ash/system/date/tray_date.h"

#include "ash/shell.h"
#include "ash/system/date/date_view.h"
#include "ash/system/tray/system_tray.h"
#include "ash/system/tray/system_tray_delegate.h"
#include "ash/system/tray/tray_constants.h"
#include "ash/system/tray/tray_item_view.h"
#include "ash/system/tray/tray_views.h"
#include "base/i18n/time_formatting.h"
#include "base/stringprintf.h"
#include "base/time.h"
#include "base/timer.h"
#include "base/utf_string_conversions.h"
#include "grit/ash_resources.h"
#include "grit/ash_strings.h"
#include "third_party/skia/include/core/SkRect.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/size.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/button/text_button.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/painter.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
#include "unicode/datefmt.h"
#include "unicode/fieldpos.h"
#include "unicode/fmtable.h"

namespace {

const int kPaddingVertical = 19;

class DateDefaultView : public views::View,
                        public views::ButtonListener {
 public:
  explicit DateDefaultView(ash::user::LoginStatus login)
      : help_(NULL),
        shutdown_(NULL),
        lock_(NULL) {
    SetLayoutManager(new views::FillLayout);

    ash::internal::tray::DateView* date_view =
        new ash::internal::tray::DateView();
    date_view->set_border(views::Border::CreateEmptyBorder(kPaddingVertical,
        ash::kTrayPopupPaddingHorizontal,
        0,
        0));
    ash::internal::SpecialPopupRow* view = new ash::internal::SpecialPopupRow();
    view->SetContent(date_view);
    AddChildView(view);

    if (login == ash::user::LOGGED_IN_LOCKED ||
        login == ash::user::LOGGED_IN_NONE)
      return;

    date_view->SetActionable(false);

    help_ = new ash::internal::TrayPopupHeaderButton(this,
        IDR_AURA_UBER_TRAY_HELP,
        IDR_AURA_UBER_TRAY_HELP,
        IDR_AURA_UBER_TRAY_HELP_HOVER,
        IDR_AURA_UBER_TRAY_HELP_HOVER,
        IDS_ASH_STATUS_TRAY_HELP);
    view->AddButton(help_);

    if (login != ash::user::LOGGED_IN_LOCKED &&
        login != ash::user::LOGGED_IN_KIOSK) {
      shutdown_ = new ash::internal::TrayPopupHeaderButton(this,
          IDR_AURA_UBER_TRAY_SHUTDOWN,
          IDR_AURA_UBER_TRAY_SHUTDOWN,
          IDR_AURA_UBER_TRAY_SHUTDOWN_HOVER,
          IDR_AURA_UBER_TRAY_SHUTDOWN_HOVER,
          IDS_ASH_STATUS_TRAY_SHUTDOWN);
      view->AddButton(shutdown_);

      if (login != ash::user::LOGGED_IN_GUEST) {
        lock_ = new ash::internal::TrayPopupHeaderButton(this,
            IDR_AURA_UBER_TRAY_LOCKSCREEN,
            IDR_AURA_UBER_TRAY_LOCKSCREEN,
            IDR_AURA_UBER_TRAY_LOCKSCREEN_HOVER,
            IDR_AURA_UBER_TRAY_LOCKSCREEN_HOVER,
            IDS_ASH_STATUS_TRAY_LOCK);
        view->AddButton(lock_);
      }
    }
  }

  virtual ~DateDefaultView() {}

 private:
  // Overridden from views::ButtonListener.
  virtual void ButtonPressed(views::Button* sender,
                             const ui::Event& event) OVERRIDE {
    ash::SystemTrayDelegate* tray = ash::Shell::GetInstance()->tray_delegate();
    if (sender == help_)
      tray->ShowHelp();
    else if (sender == shutdown_)
      tray->ShutDown();
    else if (sender == lock_)
      tray->RequestLockScreen();
    else
      NOTREACHED();
  }

  ash::internal::TrayPopupHeaderButton* help_;
  ash::internal::TrayPopupHeaderButton* shutdown_;
  ash::internal::TrayPopupHeaderButton* lock_;

  DISALLOW_COPY_AND_ASSIGN(DateDefaultView);
};

}  // namespace

namespace ash {
namespace internal {

TrayDate::TrayDate()
    : time_tray_(NULL) {
}

TrayDate::~TrayDate() {
}

views::View* TrayDate::CreateTrayView(user::LoginStatus status) {
  CHECK(time_tray_ == NULL);
  ClockLayout clock_layout =
      ash::Shell::GetInstance()->system_tray()->shelf_alignment() ==
         SHELF_ALIGNMENT_BOTTOM ?
      HORIZONTAL_CLOCK : VERTICAL_CLOCK;
  time_tray_ = new tray::TimeView(clock_layout);
  views::View* view = new TrayItemView;
  view->AddChildView(time_tray_);
  return view;
}

views::View* TrayDate::CreateDefaultView(user::LoginStatus status) {
  return new DateDefaultView(status);
}

views::View* TrayDate::CreateDetailedView(user::LoginStatus status) {
  return NULL;
}

void TrayDate::DestroyTrayView() {
  time_tray_ = NULL;
}

void TrayDate::DestroyDefaultView() {
}

void TrayDate::DestroyDetailedView() {
}

void TrayDate::UpdateAfterLoginStatusChange(user::LoginStatus status) {
}

void TrayDate::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) {
  if (time_tray_) {
    ClockLayout clock_layout = alignment == SHELF_ALIGNMENT_BOTTOM ?
        HORIZONTAL_CLOCK : VERTICAL_CLOCK;
    time_tray_->UpdateClockLayout(clock_layout);
  }
}

void TrayDate::OnDateFormatChanged() {
  if (time_tray_)
    time_tray_->UpdateTimeFormat();
}

void TrayDate::Refresh() {
  if (time_tray_)
    time_tray_->UpdateText();
}

}  // namespace internal
}  // namespace ash