/*

* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

//  Include Files  

#include "TWsGraphicShare.h"

#include <e32base.h>

#include <e32std.h>

#include <w32stdgraphic.h>

//  Local Functions

LOCAL_C void DrawSharedGraphicL(const TDesC& aSemName, TInt aScrNum, const TWsGraphicId& aId, const TRect& aDestRect, const TDesC8& aData)

	{

	// Construct & Initiate

	RWsSession ws;

	User::LeaveIfError(ws.Connect());

	CleanupClosePushL(ws);

	CWsScreenDevice* screenDevice = new(ELeave) CWsScreenDevice(ws);

	CleanupStack::PushL(screenDevice);

	User::LeaveIfError(screenDevice->Construct(aScrNum));

	TSize screenSize = screenDevice->SizeInPixels();

	CWindowGc* gc = new(ELeave) CWindowGc(screenDevice);

	CleanupStack::PushL(gc);

	User::LeaveIfError(gc->Construct());

	RWindowGroup winGroup(ws);

	CleanupClosePushL(winGroup);

	User::LeaveIfError(winGroup.Construct(1));

	RWindow win(ws);

	CleanupClosePushL(win);

	TUint32 handle = 0x0F00;

	User::LeaveIfError(win.Construct(winGroup, handle));

	win.SetBackgroundColor(TRgb(255, 255, 255));

	win.SetPosition(TPoint(aDestRect.iTl.iX, aDestRect.iTl.iY));

	win.SetSize(aDestRect.Size());

	win.Activate();

	// Draw

	gc->Activate(win);

	win.Invalidate();

	win.BeginRedraw();

	ws.Flush();	

	gc->DrawWsGraphic(aId, TRect(0,0,aDestRect.Width(),aDestRect.Height()), aData );

	gc->Deactivate();

	win.EndRedraw();

	ws.Flush();

	// Synchronize with master process

	RSemaphore semaphore;

	CleanupClosePushL(semaphore);

	User::LeaveIfError(semaphore.OpenGlobal(aSemName));

	semaphore.Signal();

	semaphore.Wait();

	semaphore.Close();

	// Deconstruct

	CleanupStack::PopAndDestroy(6);

	}

LOCAL_C void MainL ( )

	{

	TBuf<128> commandLine;

	TLex lex;

	TBuf<32> semName;

	TInt screenNumber = 0; 

	TInt graphId;	

	TInt left, top, right, bottom;

	// Read arguments from the command line

	// There is a space between two adjacent parameters

	// Commandline's format looks like that:

	// 'screenNumber' 'graphId' 'left' 'top' 'right' 'bottom' 

	User::CommandLine(commandLine);

	commandLine.TrimLeft();

	_LIT(KSpace, " ");

	TInt pos;

	// Get process name

	pos = commandLine.Find(KSpace);

	semName = commandLine.Left(pos);

	commandLine = commandLine.Mid(pos+1);

	// Get screen number	

	pos = commandLine.Find(KSpace);

	lex = commandLine.Left(pos);

	lex.Val(screenNumber);

	commandLine = commandLine.Mid(pos+1);

	// Get gragaphic id	

	pos = commandLine.Find(KSpace);

	lex = commandLine.Left(pos);

	lex.Val(graphId);

	commandLine = commandLine.Mid(pos+1);	

	// Get coordinates

	pos = commandLine.Find(KSpace);

	lex = commandLine.Left(pos);

	lex.Val(left);	

	commandLine = commandLine.Mid(pos+1);

	pos = commandLine.Find(KSpace);

	lex = commandLine.Left(pos);

	lex.Val(top);

	commandLine = commandLine.Mid(pos+1);

	pos = commandLine.Find(KSpace);

	lex = commandLine.Left(pos);

	lex.Val(right);

	commandLine = commandLine.Mid(pos+1);

	pos = commandLine.Find(KSpace);

	lex = commandLine.Left(pos);

	lex.Val(bottom);

	commandLine = commandLine.Mid(pos+1);

	// Get data

	TBuf8<32> data;

	data.Copy(commandLine);

	TWsGraphicId id(TUid::Uid(graphId));

	TRect destRect(left, top, right, bottom);	

	// Draw the graphic

	DrawSharedGraphicL(semName, screenNumber, id, destRect, data);

	}

//  Global Functions

GLDEF_C TInt E32Main()

	{

	// Create cleanup stack

	__UHEAP_MARK;

	CTrapCleanup* cleanup = CTrapCleanup::New();

	// Run application code inside TRAP harness, wait keypress when terminated

	TRAPD(error, MainL());

	_LIT(KWsGraphicShareError, "WsGraphicShareError");

	__ASSERT_ALWAYS(!error,User::Panic(KWsGraphicShareError,error));

	delete cleanup;

	__UHEAP_MARKEND;

	return KErrNone;

	}