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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_VIEW_H_
#define ASH_SHELF_OVERFLOW_BUBBLE_VIEW_H_
#include "ash/ash_export.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ui/views/bubble/bubble_delegate.h"
namespace ash {
namespace test {
class OverflowBubbleViewTestAPI;
}
namespace internal {
class ShelfLayoutManager;
class ShelfView;
// OverflowBubbleView hosts a ShelfView to display overflown items.
// Exports to access this class from OverflowBubbleViewTestAPI.
class ASH_EXPORT OverflowBubbleView : public views::BubbleDelegateView {
public:
OverflowBubbleView();
virtual ~OverflowBubbleView();
void InitOverflowBubble(views::View* anchor, ShelfView* shelf_view);
// views::BubbleDelegateView overrides:
virtual gfx::Rect GetBubbleBounds() OVERRIDE;
private:
friend class test::OverflowBubbleViewTestAPI;
bool IsHorizontalAlignment() const;
const gfx::Size GetContentsSize() const;
// Gets arrow location based on shelf alignment.
views::BubbleBorder::Arrow GetBubbleArrow() const;
void ScrollByXOffset(int x_offset);
void ScrollByYOffset(int y_offset);
// views::View overrides:
virtual gfx::Size GetPreferredSize() OVERRIDE;
virtual void Layout() OVERRIDE;
virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE;
virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE;
// ui::EventHandler overrides:
virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
ShelfLayoutManager* GetShelfLayoutManagerForLauncher() const;
ShelfView* shelf_view_; // Owned by views hierarchy.
gfx::Vector2d scroll_offset_;
DISALLOW_COPY_AND_ASSIGN(OverflowBubbleView);
};
} // namespace internal
} // namespace ash
#endif // ASH_SHELF_OVERFLOW_BUBBLE_VIEW_H_
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