/*
 * Copyright 2010, Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef WINDOW_STACK_H
#define WINDOW_STACK_H

#include <Window.h>


class BWindowStack
{
public:
							BWindowStack(BWindow* window);
							~BWindowStack();

		status_t			InitCheck();

		status_t			AddWindow(BWindow* window);
		status_t			AddWindow(BMessenger& window);
		status_t			AddWindowAt(BWindow* window, int32 position);
		status_t			AddWindowAt(BMessenger& window, int32 position);

		status_t			RemoveWindow(BWindow* window);
		status_t			RemoveWindow(BMessenger& window);
		status_t			RemoveWindowAt(int32 position,
								BMessenger* window = NULL);

		int32				CountWindows();

		status_t			WindowAt(int32 position, BMessenger& messenger);
		bool				HasWindow(BWindow* window);
		bool				HasWindow(BMessenger& window);

private:
		status_t			_AttachMessenger(BMessenger& window);
		status_t			_ReadMessenger(BMessenger& window);
		status_t			_StartMessage(int32 what);

		BPrivate::PortLink*	fLink;
};


#endif