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// Copyright (c) 2011 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 VIEWS_CONTEXT_MENU_CONTROLLER_H_
#define VIEWS_CONTEXT_MENU_CONTROLLER_H_
#pragma once
#include "views/views_export.h"
namespace gfx {
class Point;
}
namespace views {
class View;
// ContextMenuController is responsible for showing the context menu for a
// View. To use a ContextMenuController invoke set_context_menu_controller on a
// View. When the appropriate user gesture occurs ShowContextMenu is invoked
// on the ContextMenuController.
//
// Setting a ContextMenuController on a view makes the view process mouse
// events.
//
// It is up to subclasses that do their own mouse processing to invoke
// the appropriate ContextMenuController method, typically by invoking super's
// implementation for mouse processing.
class VIEWS_EXPORT ContextMenuController {
public:
// Invoked to show the context menu for the source view. If |is_mouse_gesture|
// is true, |p| is the location of the mouse. If |is_mouse_gesture| is false,
// this method was not invoked by a mouse gesture and |p| is the recommended
// location to show the menu at.
//
// |p| is in screen coordinates.
virtual void ShowContextMenuForView(View* source,
const gfx::Point& p,
bool is_mouse_gesture) = 0;
protected:
virtual ~ContextMenuController() {}
};
} // namespace views
#endif // VIEWS_CONTEXT_MENU_CONTROLLER_H_
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