sysstatemgmt/systemstatemgr/ssm/inc/ssmswpindividualtransitionscheduler.h
changeset 0 4e1aa6a622a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysstatemgmt/systemstatemgr/ssm/inc/ssmswpindividualtransitionscheduler.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,91 @@
+// Copyright (c) 2008-2009 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 __SSMSWPINDIVIDUALTRANSITIONSCHEDULER_H__
+#define __SSMSWPINDIVIDUALTRANSITIONSCHEDULER_H__
+
+#include <e32base.h>
+
+class CSsmSwpTransitionEngine;
+class MSwpSchedulerMonitor;
+
+class CSsmSwpTransitionScheduler;
+
+/**
+ The scheduler class is responsible for submitting and scheduling transitions sequencially
+ If  transition is active, the scheduler will queue the transition until all active 
+ and queued transitions have been completed.
+ 
+ @internalComponent
+ @released
+ */
+class CSsmSwpIndividualTransitionScheduler : public CActive
+	{
+
+public:
+	// methods
+	static CSsmSwpIndividualTransitionScheduler* NewLC(TUint aSwpKey, MCleSessionProxy* aCleSession, CSsmSwpTransitionScheduler& aParent);
+	~CSsmSwpIndividualTransitionScheduler();
+
+	void SubmitL(CSsmSwpTransitionEngine* aEngine); // takes ownership
+	void Cancel(CSession2* aSession);
+
+	TUint SwpKey() const;
+	TBool IsIdle() const;
+protected: 
+	//from CActive
+	void DoCancel();
+	void RunL();
+	TInt RunError(TInt aError);
+
+private:
+	// methods
+	CSsmSwpIndividualTransitionScheduler(TUint aSwpKey, CSsmSwpTransitionScheduler& aParent); // only accessible from factory methods
+	void ConstructL(MCleSessionProxy* aCleSession);
+	void DoSubmitL(CSsmSwpTransitionEngine* aEngine);
+	void ScheduleTransition();
+	CSsmSwpTransitionEngine* GetNextFromQueue();
+	void DestroyTransitionQueue();
+	void CancelTransitionQueue(CSession2* aSession);
+	TBool CurrentTransitionOriginatesFrom(CSession2* aSession);
+
+	void NotifyTransitionQueued();
+	void NotifyTransitionStarted();
+	void NotifyTransitionCompleted();
+	void NotifyTransitionFailed();
+
+private:
+	// constant types
+	enum TSchedulerStates
+		{
+		EIdle,
+		ERunningTransition
+		};
+
+private:
+	// members
+	RPointerArray<CSsmSwpTransitionEngine> iTransitionQueue;
+	CSsmSwpTransitionEngine* iCurrentTransition;
+	TSchedulerStates iSchedulerState;
+	CSession2* iCancellingSession;
+
+	MCleSessionProxy* iCleSession;
+	CSsmSwpPolicyCliSession* iSsmSwpPolicySession;
+	
+	TUint iSwpKey;
+	CSsmSwpTransitionScheduler& iParent;
+	};
+
+#endif