--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/appfw/viewserver/inc/VWSSEVNT.H	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,197 @@
+// 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:
+//
+
+
+#ifndef __VWSSEVNT_H__
+#define __VWSSEVNT_H__
+
+#include <e32std.h>
+
+#include "VWSQUEUE.H"
+#include "VWSSESSN.H"
+
+
+/**
+ * The CVwsSessionEvent class is the base class for session events generated WHEN ?
+ */
+class CVwsSessionEvent : public CVwsEvent
+	{
+public:
+	CVwsSessionEvent(CVwsSession& aSession,TType aType,CVwsEventQueue& aQueue);
+	CVwsSessionEvent(CVwsSession& aSession,TType aType,CVwsEventQueue& aQueue,MVwsSessionObserver& aObserver);
+	~CVwsSessionEvent();
+public:
+	virtual void HandleViewEventRequestL(TInt aError,const RMessage2& aMessage)=0;
+	void ReportRequestCompleted(MVwsSessionObserver::TRequestType aType,TInt aError,const RMessage2& aMessage);
+	void NullifyObserver();
+protected:
+	CVwsSession& iSession;
+	MVwsSessionObserver* iObserver;
+	};
+
+
+/**
+ * The CVwsSessionEvent_Activation represents an activation event in a session's event queue
+ */
+class CVwsSessionEvent_Activation : public CVwsSessionEvent, public MVwsMessageHandler
+	{
+public:
+	CVwsSessionEvent_Activation(CVwsSession& aSession,CVwsEventQueue& aQueue,MVwsSessionObserver& iObserver,const TVwsViewId& aViewId,const TVwsViewId& aPreviousViewId,CVwsClientMessage* aClientMessage,const RThread& aThreadOfClientInitiatingViewSwitch);
+	~CVwsSessionEvent_Activation();
+private:	// From CVwsEvent.
+	virtual void ProcessEventL();
+	virtual void Complete(TInt aError);
+private:	// From CVwsSessionEvent.
+	virtual void HandleViewEventRequestL(TInt aError,const RMessage2& aMessage);
+private:	// From MVwsMessageHandler.
+	void WriteClientMessageL(const RMessage2& aMessage);
+	void CheckSourceOfViewSwitchL(const RMessage2& aMessage);
+private:
+	void RequestActivationL();
+	void Complete(TInt aError,const RMessage2& aMessage);
+private:
+	enum TState
+		{
+		EPending,
+		EWaitingForClientViewEventRequest,
+		EWaitingForCustomMessageCollection,
+		EWaitingForAcknowledgementOfActivation
+		};
+private:
+	const TVwsViewId iViewId;
+	const TVwsViewId iPreviousViewId;
+	CVwsClientMessage* iClientMessage;
+	TState iState;
+	RThread iThreadOfClientInitiatingViewSwitch;
+	};
+
+
+/**
+ * The CVwsSessionEvent_Deactivation represents a deactivation event in a session's event queue
+ */
+class CVwsSessionEvent_Deactivation : public CVwsSessionEvent
+	{
+public:
+	CVwsSessionEvent_Deactivation(CVwsSession& aSession,CVwsEventQueue& aQueue,MVwsSessionObserver& iObserver,const TVwsViewId& aViewId,const TVwsViewId& aActiveViewId, TBool aDifferentInstanceOfSameApp);
+	~CVwsSessionEvent_Deactivation();
+private:	// From CVwsEvent.
+	virtual void ProcessEventL();
+private:	// From CVwsSessionEvent.
+	virtual void HandleViewEventRequestL(TInt aError,const RMessage2& aMessage);
+private:
+	void RequestDeactivationL();
+	void Complete(TInt aError,const RMessage2& aMessage);
+private:
+	enum TState
+		{
+		EPending,
+		EWaitingForClientViewEventRequest,
+		EWaitingForAcknowledgementOfDeactivation
+		};
+private:
+	const TVwsViewId iViewId;
+	const TVwsViewId iActiveViewId;
+	TState iState;
+	TBool iDifferentInstanceOfSameApp;
+	};
+
+
+/**
+ * The CVwsSessionEvent_ScreenDeviceChangeNotification represents a screen device changes notification event in a
+ * session's event queue
+ */
+class CVwsSessionEvent_ScreenDeviceChangeNotification : public CVwsSessionEvent
+	{
+public:
+	CVwsSessionEvent_ScreenDeviceChangeNotification(CVwsSession& aSession,CVwsEventQueue& aQueue,MVwsSessionObserver& iObserver,const TVwsViewId& aViewId);
+	~CVwsSessionEvent_ScreenDeviceChangeNotification();
+private:	// From CVwsEvent.
+	virtual void ProcessEventL();
+private:	// From CVwsSessionEvent.
+	virtual void HandleViewEventRequestL(TInt aError,const RMessage2& aMessage);
+private:
+	void RequestScreenDeviceChangeNotificationL();
+	void Complete(TInt aError,const RMessage2& aMessage);
+private:
+	enum TState
+		{
+		EPending,
+		EWaitingForClientViewEventRequest,
+		EWaitingForAcknowledgementOfScreenDeviceChange
+		};
+private:
+	const TVwsViewId iViewId;
+	TState iState;
+	};
+
+
+/**
+ * The CVwsSessionEvent_DeactivationNotification represents a deactivation notification event in a session's event queue.
+ */
+class CVwsSessionEvent_DeactivationNotification : public CVwsSessionEvent
+	{
+public:
+	CVwsSessionEvent_DeactivationNotification(CVwsSession& aSession,CVwsEventQueue& aQueue,const TVwsViewId& aViewId,const TVwsViewId& aActiveViewId);
+	~CVwsSessionEvent_DeactivationNotification();
+private:	// From CVwsEvent.
+	virtual void ProcessEventL();
+private:	// From CVwsSessionEvent.
+	virtual void HandleViewEventRequestL(TInt aError,const RMessage2& aMessage);
+private:
+	void RequestDeactivationNotificationL();
+	void Complete(TInt aError);
+private:
+	enum TState
+		{
+		EPending,
+		EWaitingForClientViewEventRequest,
+		EWaitingForAcknowledgementOfDeactivationNotification
+		};
+private:
+	const TVwsViewId iViewId;
+	const TVwsViewId iActiveViewId;
+	TState iState;
+	};
+
+
+/**
+ * The CVwsSessionEvent_ActivationNotification represents a deactivation notification event in a session's event queue.
+ */
+class CVwsSessionEvent_ActivationNotification : public CVwsSessionEvent
+	{
+public:
+	CVwsSessionEvent_ActivationNotification(CVwsSession& aSession,CVwsEventQueue& aQueue,const TVwsViewId& aViewId,const TVwsViewId& aViewToBeDeactivatedId);
+	~CVwsSessionEvent_ActivationNotification();
+private:	// From CVwsEvent.
+	virtual void ProcessEventL();
+private:	// From CVwsSessionEvent.
+	virtual void HandleViewEventRequestL(TInt aError,const RMessage2& aMessage);
+private:
+	void RequestActivationNotificationL();
+	void Complete(TInt aError);
+private:
+	enum TState
+		{
+		EPending,
+		EWaitingForClientViewEventRequest,
+		EWaitingForAcknowledgementOfActivationNotification
+		};
+private:
+	const TVwsViewId iViewId;
+	const TVwsViewId iViewToBeDeactivatedId;
+	TState iState;
+	};
+
+#endif