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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_STATUS_AREA_WIDGET_DELEGATE_H_
#define ASH_SYSTEM_STATUS_AREA_WIDGET_DELEGATE_H_
#include "ash/ash_export.h"
#include "ash/shelf/shelf_types.h"
#include "ash/wm/gestures/shelf_gesture_handler.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/views/accessible_pane_view.h"
#include "ui/views/widget/widget_delegate.h"
namespace ash {
namespace internal {
class FocusCycler;
class ASH_EXPORT StatusAreaWidgetDelegate : public views::AccessiblePaneView,
public views::WidgetDelegate {
public:
StatusAreaWidgetDelegate();
virtual ~StatusAreaWidgetDelegate();
// Add a tray view to the widget (e.g. system tray, web notifications).
void AddTray(views::View* tray);
// Called whenever layout might change (e.g. alignment changed).
void UpdateLayout();
// Sets the focus cycler.
void SetFocusCyclerForTesting(const FocusCycler* focus_cycler);
void set_alignment(ShelfAlignment alignment) { alignment_ = alignment; }
// Overridden from views::AccessiblePaneView.
virtual View* GetDefaultFocusableChild() OVERRIDE;
// Overridden from views::View:
virtual views::Widget* GetWidget() OVERRIDE;
virtual const views::Widget* GetWidget() const OVERRIDE;
// Overridden from ui::EventHandler:
virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
// views::WidgetDelegate overrides:
virtual bool CanActivate() const OVERRIDE;
virtual void DeleteDelegate() OVERRIDE;
protected:
// Overridden from views::View:
virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE;
virtual void ChildVisibilityChanged(views::View* child) OVERRIDE;
private:
void UpdateWidgetSize();
const FocusCycler* focus_cycler_for_testing_;
ShelfAlignment alignment_;
ShelfGestureHandler gesture_handler_;
DISALLOW_COPY_AND_ASSIGN(StatusAreaWidgetDelegate);
};
} // namespace internal
} // namespace ash
#endif // ASH_SYSTEM_STATUS_AREA_WIDGET_DELEGATE_H_
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