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// 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.
#ifndef ASH_SYSTEM_DATE_DATE_VIEW_H_
#define ASH_SYSTEM_DATE_DATE_VIEW_H_
#include "ash/ash_export.h"
#include "ash/system/date/tray_date.h"
#include "ash/system/tray/actionable_view.h"
#include "base/i18n/time_formatting.h"
#include "base/memory/scoped_ptr.h"
#include "base/timer/timer.h"
#include "ui/views/view.h"
namespace views {
class Label;
}
namespace ash {
namespace internal {
namespace tray {
// Abstract base class containing common updating and layout code for the
// DateView popup and the TimeView tray icon. Exported for tests.
class ASH_EXPORT BaseDateTimeView : public ActionableView {
public:
virtual ~BaseDateTimeView();
// Updates the displayed text for the current time and calls SetTimer().
void UpdateText();
protected:
BaseDateTimeView();
private:
// Starts |timer_| to schedule the next update.
void SetTimer(const base::Time& now);
// Updates labels to display the current time.
virtual void UpdateTextInternal(const base::Time& now) = 0;
// Overridden from views::View.
virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE;
virtual void OnLocaleChanged() OVERRIDE;
// Invokes UpdateText() when the displayed time should change.
base::OneShotTimer<BaseDateTimeView> timer_;
DISALLOW_COPY_AND_ASSIGN(BaseDateTimeView);
};
// Popup view used to display the date and day of week.
class DateView : public BaseDateTimeView {
public:
DateView();
virtual ~DateView();
// Sets whether the view is actionable. An actionable date view gives visual
// feedback on hover, can be focused by keyboard, and clicking/pressing space
// or enter on the view shows date-related settings.
void SetActionable(bool actionable);
// Updates the format of the displayed time.
void UpdateTimeFormat();
private:
// Overridden from BaseDateTimeView.
virtual void UpdateTextInternal(const base::Time& now) OVERRIDE;
// Overridden from ActionableView.
virtual bool PerformAction(const ui::Event& event) OVERRIDE;
// Overridden from views::View.
virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
views::Label* date_label_;
// Time format (12/24hr) used for accessibility string.
base::HourClockType hour_type_;
bool actionable_;
DISALLOW_COPY_AND_ASSIGN(DateView);
};
// Tray view used to display the current time.
// Exported for tests.
class ASH_EXPORT TimeView : public BaseDateTimeView {
public:
explicit TimeView(TrayDate::ClockLayout clock_layout);
virtual ~TimeView();
// Updates the format of the displayed time.
void UpdateTimeFormat();
// Updates clock layout.
void UpdateClockLayout(TrayDate::ClockLayout clock_layout);
private:
friend class TimeViewTest;
// Overridden from BaseDateTimeView.
virtual void UpdateTextInternal(const base::Time& now) OVERRIDE;
// Overridden from ActionableView.
virtual bool PerformAction(const ui::Event& event) OVERRIDE;
// Overridden from views::View.
virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
void SetBorder(TrayDate::ClockLayout clock_layout);
void SetupLabels();
void SetupLabel(views::Label* label);
// Label text used for the normal horizontal shelf.
scoped_ptr<views::Label> horizontal_label_;
// The time label is split into two lines for the vertical shelf.
scoped_ptr<views::Label> vertical_label_hours_;
scoped_ptr<views::Label> vertical_label_minutes_;
base::HourClockType hour_type_;
DISALLOW_COPY_AND_ASSIGN(TimeView);
};
} // namespace tray
} // namespace internal
} // namespace ash
#endif // ASH_SYSTEM_DATE_DATE_VIEW_H_
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