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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_LAUNCHER_LAUNCHER_BUTTON_HOST_H_
#define ASH_LAUNCHER_LAUNCHER_BUTTON_HOST_H_
#pragma once
#include "ash/ash_export.h"
#include "ash/wm/shelf_types.h"
#include "base/string16.h"
namespace views {
class MouseEvent;
class View;
}
namespace ash {
namespace internal {
// The launcher buttons communicate back to the host by way of this interface.
// This interface is used to enable reordering the items on the launcher.
class ASH_EXPORT LauncherButtonHost {
public:
// Invoked when the mouse is pressed on a view.
virtual void MousePressedOnButton(views::View* view,
const views::MouseEvent& event) = 0;
// Invoked when the mouse is dragged over a view.
virtual void MouseDraggedOnButton(views::View* view,
const views::MouseEvent& event) = 0;
// Invoked either if the mouse is released or mouse capture canceled.
virtual void MouseReleasedOnButton(views::View* view,
bool canceled) = 0;
// Invoked when the mouse moves on the item.
virtual void MouseMovedOverButton(views::View* view) = 0;
// Invoked when the mouse enters the item.
virtual void MouseEnteredButton(views::View* view) = 0;
// Invoked when the mouse exits the item.
virtual void MouseExitedButton(views::View* view) = 0;
virtual ShelfAlignment GetShelfAlignment() const = 0;
// Invoked to get the accessible name of the item.
virtual string16 GetAccessibleName(const views::View* view) = 0;
protected:
virtual ~LauncherButtonHost() {}
};
} // namespace internal
} // namespace ash
#endif // ASH_LAUNCHER_LAUNCHER_BUTTON_HOST_H_
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