--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/appfw/viewserver/server/VWSWEVNT.CPP	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,285 @@
+// Copyright (c) 1999-2009 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:
+//
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
+#include "vwsinternal.h"
+#include "vwsdefpartner.h"
+#endif //SYMBIAN_ENABLE_SPLIT_HEADERS
+#include "VWSWEVNT.H"
+#include "VWSERVER.H"
+#include "VWSDEBUG.H"
+
+const TInt KPriorityNeverAtFront = -999;
+const TInt KPriorityAlwaysAtFront = 999;//Setting a priority greater than or equal to KPasswordWindowGroupPriority which is 1000,
+										//on a window group will require the capability SwEvent.If the client does not have 
+						    		    //this capability, then the window group priority will be reduced to KPasswordWindowGroupPriority - 1. 
+					 					//As KPasswordWindowGroupPriority has been deprectated 999 is set as the priority.KPriorityAlwaysAtFront
+					                    //is used when calling SetOrdinalPosition API.
+ 
+
+//
+// CVwsWServEventHandler.
+//
+
+CVwsWServEventHandler::CVwsWServEventHandler(CVwsServer& aServer, RWsSession& aWsSession, TBool aIgnoreFirstScreenDeviceChangedEvent)
+	: CActive(CActive::EPriorityStandard),iServer(aServer),iWsSession(aWsSession),
+	iIgnoreNextScreenDeviceChangedEvent(aIgnoreFirstScreenDeviceChangedEvent)
+	{
+	}
+
+CVwsWServEventHandler::~CVwsWServEventHandler()
+	{
+	Cancel();
+	}
+
+CVwsWServEventHandler* CVwsWServEventHandler::NewL(CVwsServer& aServer, RWsSession& aWsSession, TBool aIgnoreFirstScreenDeviceChangedEvent)
+	{
+	CVwsWServEventHandler* self=new(ELeave) CVwsWServEventHandler(aServer, aWsSession, aIgnoreFirstScreenDeviceChangedEvent);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop();
+	return self;
+	}
+
+void CVwsWServEventHandler::ConstructL()
+	{
+	CActiveScheduler::Add(this);
+	Queue();
+	}
+
+void CVwsWServEventHandler::Queue()
+	{
+	ASSERT (!IsActive());
+	iWsSession.EventReady(&iStatus);
+	SetActive();
+	}
+
+void CVwsWServEventHandler::RunL()
+	{
+	TWsEvent event;
+	iWsSession.GetEvent(event);
+	LOG3(CVwsLog::ELoud,_L("Received %d event type from WServ"),event.Type());
+	TInt err=KErrNone;
+	switch (event.Type()) 
+		{
+	case EEventScreenDeviceChanged:
+		if (iIgnoreNextScreenDeviceChangedEvent)
+			{
+			iIgnoreNextScreenDeviceChangedEvent = EFalse;
+			}
+		else
+			{
+			TRAP(err,iServer.HandleScreenDeviceChangedL());
+			}
+		break;
+	case EEventFocusGroupChanged:
+		iServer.HandleForegroundTaskChange();
+		break;
+	default:
+		break;
+		}
+
+	Queue();
+	User::LeaveIfError(err);
+	}
+
+void CVwsWServEventHandler::DoCancel()
+	{
+	iWsSession.EventReadyCancel();
+	}
+
+#ifdef _DEBUG
+TInt CVwsWServEventHandler::RunError(TInt aError)
+#else
+TInt CVwsWServEventHandler::RunError(TInt /*aError*/)
+#endif
+	{
+	LOG3(CVwsLog::ENormal,_L("CVwsWServEventHandler::RunError: %d"), aError);
+	iServer.KickStartEventQ();
+	return KErrNone;       
+	}
+
+//
+// class CVwsWServRedrawer
+//
+
+CVwsWServRedrawer::CVwsWServRedrawer(RWsSession& aWsSession, CWindowGc& aGc, RWindow& aWindow)
+	: CActive(EPriorityLow),iWsSession(aWsSession),iGc(aGc),iWindow(aWindow),iOpaque(EFalse)
+	{
+	}
+
+CVwsWServRedrawer::~CVwsWServRedrawer()
+	{
+	Cancel();
+	}
+
+CVwsWServRedrawer* CVwsWServRedrawer::NewL(RWsSession& aWsSession, CWindowGc& aGc, RWindow& aWindow)
+	{
+	CVwsWServRedrawer* self=new(ELeave) CVwsWServRedrawer(aWsSession,aGc,aWindow);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop();
+	return self;
+	}	
+
+void CVwsWServRedrawer::ConstructL()
+	{
+	CActiveScheduler::Add(this);
+	Queue();
+	}
+
+void CVwsWServRedrawer::RunL()
+	{
+	TWsRedrawEvent redraw;
+	iWsSession.GetRedraw(redraw);
+	HandleRedrawEvent(redraw.Rect());
+	Queue();
+	}
+
+void CVwsWServRedrawer::Queue()
+	{
+	ASSERT (!IsActive());
+	iWsSession.RedrawReady(&iStatus);
+	SetActive();
+	}
+
+void CVwsWServRedrawer::DoCancel()
+	{
+	iWsSession.RedrawReadyCancel();
+	}
+
+void CVwsWServRedrawer::SetDrawMode(TBool aOpaque)
+	{
+	iOpaque=aOpaque;
+	}
+
+void CVwsWServRedrawer::HandleRedrawEvent(const TRect& aRect)
+	{
+	// this code is needed to make the screen redraw correctly
+	// after a screen mode switch.
+
+	LOG2(CVwsLog::ELoud,_L("CVwsWServRedrawer::HandleRedrawEvent"));
+	iGc.Activate(iWindow);
+	iWindow.BeginRedraw(aRect);
+	iWindow.EndRedraw();
+	iGc.Deactivate();
+	iWsSession.Flush();
+	}
+
+CVwsWServSessionHandler::CVwsWServSessionHandler(CVwsServer& aServer)
+	:iServer(aServer),
+	iFirstDisplay(ETrue)
+	{
+	}
+
+CVwsWServSessionHandler::~CVwsWServSessionHandler()
+	{
+	delete iWServEventHandler;
+	delete iWServRedrawer;
+	delete iGc;
+	delete iScreen;
+	iRootWin.Close();
+	if (iWindow!=NULL)
+		{
+		iWindow->Close();
+		delete iWindow;
+		}
+	
+	ASSERT(iWsSession.ResourceCount()==0);
+	iWsSession.Close();
+	}
+
+CVwsWServSessionHandler* CVwsWServSessionHandler::NewL(CVwsServer& aServer)
+	{
+	CVwsWServSessionHandler* self=new(ELeave) CVwsWServSessionHandler(aServer);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop();
+	return self;
+	}
+
+void CVwsWServSessionHandler::ConstructL()
+	{
+	CreateWServSessionL();
+	TBool ignoreFirstScreenDeviceChangedEvent = (GetScreenMode() > 0);
+	iWServEventHandler=CVwsWServEventHandler::NewL(iServer,iWsSession,
+												   ignoreFirstScreenDeviceChangedEvent);
+	iWServRedrawer=CVwsWServRedrawer::NewL(iWsSession,*iGc,*iWindow);
+	}
+
+void CVwsWServSessionHandler::CreateWServSessionL()
+	{
+	User::LeaveIfError(iWsSession.Connect());
+
+	iScreen=new(ELeave) CWsScreenDevice(iWsSession);
+	User::LeaveIfError(iScreen->Construct());
+	User::LeaveIfError(iScreen->CreateContext(iGc));
+
+	iRootWin=RWindowGroup(iWsSession);
+	User::LeaveIfError(iRootWin.Construct((TUint32)this,EFalse));
+	iRootWin.SetOrdinalPosition(0,KPriorityNeverAtFront);
+	iRootWin.EnableScreenChangeEvents();
+	iRootWin.EnableFocusChangeEvents();
+
+	iWindow=new(ELeave) RWindow(iWsSession);
+	User::LeaveIfError(iWindow->Construct(iRootWin,((TUint32)this)+1));
+	iWindow->Activate();
+	iWindow->SetVisible(EFalse);
+	}
+
+TInt CVwsWServSessionHandler::GetScreenMode()
+	{
+	return iScreen->CurrentScreenMode();
+	}
+
+void CVwsWServSessionHandler::ConfigureScreenDevice()
+	{
+	LOG2(CVwsLog::ENormal,_L("CVwsWServSessionHandler:::ConfigureScreenDevice()"));
+	TPixelsAndRotation sizeAndRotation;
+	iScreen->GetDefaultScreenSizeAndRotation(sizeAndRotation);
+	iScreen->SetScreenSizeAndRotation(sizeAndRotation);
+	iWindow->SetSize(sizeAndRotation.iPixelSize);
+	}
+
+void CVwsWServSessionHandler::DisplayWindow()
+	{
+	LOG2(CVwsLog::ENormal,_L("CVwsWServSessionHandler::DisplayWindow()"));
+	if (iFirstDisplay)
+		{
+		iRootWin.SetOrdinalPosition(0,KPriorityAlwaysAtFront);
+		iFirstDisplay=EFalse;
+		}
+	iWindow->SetVisible(ETrue);
+	iWsSession.Flush();	
+	}
+
+void CVwsWServSessionHandler::HideWindow()
+	{
+	LOG2(CVwsLog::ENormal,_L("CVwsWServSessionHandler::HideWindow()"));
+	iWindow->SetVisible(EFalse);
+	iWsSession.Flush();
+	iWServRedrawer->SetDrawMode(EFalse);
+	}
+
+void CVwsWServSessionHandler::UpdateScreenAndDisplayWindow()
+	{
+	ConfigureScreenDevice();
+	iWServRedrawer->SetDrawMode(ETrue);
+	DisplayWindow();
+	}
+	
+void CVwsWServSessionHandler::SetWindowBackgroundColor(const TRgb& aBgColor)
+	{
+	iWindow->SetBackgroundColor(aBgColor);
+	}