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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_COMMON_SYSTEM_STATUS_AREA_WIDGET_H_
#define ASH_COMMON_SYSTEM_STATUS_AREA_WIDGET_H_
#include "ash/ash_export.h"
#include "ash/common/login_status.h"
#include "ash/common/shelf/shelf_background_animator_observer.h"
#include "ash/public/cpp/shelf_types.h"
#include "base/macros.h"
#include "ui/views/widget/widget.h"
namespace ash {
class OverviewButtonTray;
class ShellDelegate;
class StatusAreaWidgetDelegate;
class SystemTray;
class TrayBackgroundView;
class WebNotificationTray;
class WmShelf;
class WmWindow;
#if defined(OS_CHROMEOS)
class ImeMenuTray;
class LogoutButtonTray;
class PaletteTray;
class VirtualKeyboardTray;
#endif
class ASH_EXPORT StatusAreaWidget : public views::Widget,
public ShelfBackgroundAnimatorObserver {
public:
StatusAreaWidget(WmWindow* status_container, WmShelf* wm_shelf);
~StatusAreaWidget() override;
// Creates the SystemTray, WebNotificationTray and LogoutButtonTray.
void CreateTrayViews();
// Destroys the system tray and web notification tray. Called before
// tearing down the windows to avoid shutdown ordering issues.
void Shutdown();
// Update the alignment of the widget and tray views.
void SetShelfAlignment(ShelfAlignment alignment);
// Called by the client when the login status changes. Caches login_status
// and calls UpdateAfterLoginStatusChange for the system tray and the web
// notification tray.
void UpdateAfterLoginStatusChange(LoginStatus login_status);
// Based on visibility of |tray| and a tray item on its right, sets |tray|'s
// separator visibility either to true or false. Note that no leading
// separator is required before the logout_button_tray because that
// button's red background is distinctive on its own.
void OnTrayVisibilityChanged(TrayBackgroundView* tray);
StatusAreaWidgetDelegate* status_area_widget_delegate() {
return status_area_widget_delegate_;
}
SystemTray* system_tray() { return system_tray_; }
WebNotificationTray* web_notification_tray() {
return web_notification_tray_;
}
OverviewButtonTray* overview_button_tray() { return overview_button_tray_; }
#if defined(OS_CHROMEOS)
PaletteTray* palette_tray() { return palette_tray_; }
ImeMenuTray* ime_menu_tray() { return ime_menu_tray_; }
#endif
WmShelf* wm_shelf() { return wm_shelf_; }
LoginStatus login_status() const { return login_status_; }
// Returns true if the shelf should be visible. This is used when the
// shelf is configured to auto-hide and test if the shelf should force
// the shelf to remain visible.
bool ShouldShowShelf() const;
// True if any message bubble is shown.
bool IsMessageBubbleShown() const;
// Notifies child trays, and the |status_area_widget_delegate_| to schedule a
// paint.
void SchedulePaint();
// Overridden from views::Widget:
const ui::NativeTheme* GetNativeTheme() const override;
void OnNativeWidgetActivationChanged(bool active) override;
// ShelfBackgroundAnimatorObserver:
void UpdateShelfItemBackground(int alpha) override;
private:
void AddSystemTray();
void AddWebNotificationTray();
#if defined(OS_CHROMEOS)
void AddLogoutButtonTray();
void AddPaletteTray();
void AddVirtualKeyboardTray();
void AddImeMenuTray();
// Checks if |tray| is the next visible tray to the left of
// |logout_button_tray_|. Returns true if both are visible, false otherwise.
bool IsNextVisibleTrayToLogout(TrayBackgroundView* tray) const;
#endif
void AddOverviewButtonTray();
// Weak pointers to View classes that are parented to StatusAreaWidget:
StatusAreaWidgetDelegate* status_area_widget_delegate_;
OverviewButtonTray* overview_button_tray_;
SystemTray* system_tray_;
WebNotificationTray* web_notification_tray_;
#if defined(OS_CHROMEOS)
LogoutButtonTray* logout_button_tray_;
PaletteTray* palette_tray_;
VirtualKeyboardTray* virtual_keyboard_tray_;
ImeMenuTray* ime_menu_tray_;
#endif
LoginStatus login_status_;
WmShelf* wm_shelf_;
DISALLOW_COPY_AND_ASSIGN(StatusAreaWidget);
};
} // namespace ash
#endif // ASH_COMMON_SYSTEM_STATUS_AREA_WIDGET_H_