// Window.h

// 

// Copyright (c) 2010 Accenture. All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

// 

// Initial Contributors:

// Accenture - Initial contribution

//

#if !defined(AFX_WINDOW_H__079A244F_DED8_49A3_AB8E_EEE262119929__INCLUDED_)

#define AFX_WINDOW_H__079A244F_DED8_49A3_AB8E_EEE262119929__INCLUDED_

#if _MSC_VER > 1000

#pragma once

#endif // _MSC_VER > 1000

#include "Base.h"

const unsigned int KSocketMessage = WM_USER;

class CWindow;

class MWindowMessageHandler

	{

public:

	MWindowMessageHandler();

	virtual LRESULT HandleWindowMessage(UINT aMessage, WPARAM aWParam, LPARAM aLParam) = 0;

private:

	friend class CWindow;

	MWindowMessageHandler* iNext;

	MWindowMessageHandler* iPrevious;

	};

class MWindowObserver

	{

public:

	virtual void HandleWindowClosure(CWindow& aWindow) = 0;

	virtual LRESULT HandleWindowCommand(UINT aMessage, WPARAM aWParam, LPARAM aLParam) = 0;

	};

class CWindow : public CBase

	{

public:

	virtual ~CWindow();

	void AddMessageHandler(MWindowMessageHandler& aHandler);

	void RemoveMessageHandler(MWindowMessageHandler& aHandler);

	HWND Handle() const;

	void SetTitle(LPCTSTR aTitle);

	void GetTitle(LPTSTR aTitle, int aMaxLength) const;

	void Redraw();

protected:

	CWindow();

	void Construct(HINSTANCE aAppHandle, LPCTSTR aWindowClass, LPCTSTR aTitle, int aPoxX, int aPosY, int aWidth, int aHeight, MWindowObserver* aObserver);

private:

	virtual void Draw() const;

	virtual LRESULT HandleChar(TCHAR aChar, UINT aModifiers);

	virtual LRESULT HandleCommand(UINT aMessage, WPARAM aWParam, LPARAM aLParam);

	virtual LRESULT HandleFocusChange(bool aFocused);

	virtual void HandleScrollEvent(UINT aMessage, WPARAM aWParam);

	virtual void HandleSizeChanged(int aWidth, int aHeight);

	virtual void HandleMouseEvent(UINT aMessage, WPARAM aWParam, LPARAM aLParam);

	virtual void HandleMenuPopUp(HMENU aMenu);

public:

	static LRESULT CALLBACK HandleMessage(HWND aHandle, UINT aMessage, WPARAM aWParam, LPARAM aLParam);

	static CWindow* Instance(HWND aHandle);

private:

	static CWindow* sFirst;

	static CWindow* sLast;

	static MWindowMessageHandler* sFirstMessageHandler;

	static MWindowMessageHandler* sLastMessageHandler;

	CWindow* iNext;

	CWindow* iPrevious;

	HINSTANCE iAppHandle;

	HWND iHandle;

	MWindowObserver* iObserver;

	};

#endif // !defined(AFX_WINDOW_H__079A244F_DED8_49A3_AB8E_EEE262119929__INCLUDED_)