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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_TRAY_SYSTEM_TRAY_ITEM_H_
#define ASH_SYSTEM_TRAY_SYSTEM_TRAY_ITEM_H_
#pragma once
#include "ash/ash_export.h"
#include "ash/system/user/login_status.h"
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
namespace views {
class View;
}
namespace ash {
class ASH_EXPORT SystemTrayItem {
public:
SystemTrayItem();
virtual ~SystemTrayItem();
// Returns a view to be displayed in the system tray. If this returns NULL,
// then this item is not displayed in the tray.
virtual views::View* CreateTrayView(user::LoginStatus status) = 0;
// Returns a view for the item to be displayed in the list. This view can be
// displayed with a number of other tray items, so this should not be too
// big.
virtual views::View* CreateDefaultView(user::LoginStatus status) = 0;
// Returns a detailed view for the item. This view is displayed standalone.
virtual views::View* CreateDetailedView(user::LoginStatus status) = 0;
// These functions are called when the corresponding view item is about to be
// removed. An item should do appropriate cleanup in these functions.
virtual void DestroyTrayView() = 0;
virtual void DestroyDefaultView() = 0;
virtual void DestroyDetailedView() = 0;
// Pops up the detailed view for this item. An item can request to show its
// detailed view using this function (e.g. from an observer callback when
// something, e.g. volume, network availability etc. changes). If
// |for_seconds| is non-zero, then the popup is closed after the specified
// time.
void PopupDetailedView(int for_seconds, bool activate);
private:
DISALLOW_COPY_AND_ASSIGN(SystemTrayItem);
};
} // namespace ash
#endif // ASH_SYSTEM_TRAY_SYSTEM_TRAY_ITEM_H_
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