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// Copyright 2013 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_SHELF_OVERFLOW_BUBBLE_H_
#define ASH_SHELF_OVERFLOW_BUBBLE_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ui/events/event_handler.h"
#include "ui/views/widget/widget_observer.h"
namespace ui {
class LocatedEvent;
}
namespace views {
class View;
}
namespace ash {
namespace internal {
class OverflowBubbleView;
class ShelfLayoutManager;
class ShelfView;
// OverflowBubble displays the overflown launcher items in a bubble.
class OverflowBubble : public ui::EventHandler,
public views::WidgetObserver {
public:
OverflowBubble();
virtual ~OverflowBubble();
// Shows an bubble pointing to |anchor| with |shelf_view| as its content.
void Show(views::View* anchor, ShelfView* shelf_view);
void Hide();
// This method as name indicates will hide bubble and schedule paint
// for overflow button.
void HideBubbleAndRefreshButton();
bool IsShowing() const { return !!bubble_; }
ShelfView* shelf_view() { return shelf_view_; }
OverflowBubbleView* bubble_view() { return bubble_; }
private:
void ProcessPressedEvent(ui::LocatedEvent* event);
// Overridden from ui::EventHandler:
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
// Overridden from views::WidgetObserver:
virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE;
OverflowBubbleView* bubble_; // Owned by views hierarchy.
views::View* anchor_; // Owned by ShelfView.
ShelfView* shelf_view_; // Owned by |bubble_|.
DISALLOW_COPY_AND_ASSIGN(OverflowBubble);
};
} // namespace internal
} // namespace ash
#endif // ASH_SHELF_OVERFLOW_BUBBLE_H_
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