genericservices/taskscheduler/SCHSVR/SCHCLI.H
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericservices/taskscheduler/SCHSVR/SCHCLI.H	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,112 @@
+// Copyright (c) 2004-2009 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:
+// class CClientProxy
+// -scheduler's representation of client
+// -contains info scheduler needs to start real client in its own process	
+// -reference-counted: deleted when no tasks & no sessions reference it
+// 
+//
+
+#ifndef __SCHCLI_H__
+#define __SCHCLI_H__
+
+#include <e32base.h>
+
+// Classes referenced
+class RFs;
+class CScheduledTask;
+class RWriteStream;
+class CFileStore;
+class CSchLogManager;
+
+
+/**
+@internalComponent
+*/
+NONSHARABLE_CLASS(CClientProxy) : public CBase
+	{
+public:
+	static CClientProxy* NewL(RFs& aFsSession, 
+							RReadStream& aStream,
+							CSchLogManager& aLogManager);
+	static CClientProxy* NewL(RFs& aFsSession, 
+							const TDesC& aFileName, 
+							TInt aPriority,
+							CSchLogManager& aLogManager);
+	~CClientProxy();
+
+private:
+	CClientProxy(RFs& aFsSession,CSchLogManager& aLogManager);
+	CClientProxy(RFs& aFsSession, TInt aPriority,CSchLogManager& aLogManager);
+	void ConstructL(const TDesC& aFileName); 
+
+public:
+	TBool IsEqual(const TDesC& aFilename, TInt aPriority) const;
+	void ExecuteTasks();
+	void AddTask(CScheduledTask& aTask);
+	void RemoveTask(CScheduledTask* aTask);
+	void RemoveDueTasks();
+	void TransferTasks(CClientProxy& aTargetClient);
+
+	// sharing stuff
+	inline void DecUsers();			
+	inline void IncUsers();				
+	inline TInt Users() const;	
+
+	// execution
+	inline void ReadyToExecute();		
+	inline TBool IsReadyToExecute() const;
+
+	// list capability
+	inline static TInt Offset();
+	inline void Remove();// remove youself from que
+
+	inline const TDesC& ExecutorFileName() const { return *iFileName; }
+	TDblQueIter<CScheduledTask> TaskIterator();
+	TInt Priority() const;
+
+public:
+	void InternalizeL(RReadStream& aStream);
+	void ExternalizeL(RWriteStream& aStream) const;
+
+private: // internal functions
+	void DoExecuteTasksL();
+	CArrayPtr<CScheduledTask>* DueTasksL();// copy the due tasks into an array
+
+	// called before running the task
+	TInt DoExecuteTasks(const CArrayPtr<CScheduledTask>& aTasks, 
+						const TDesC& aFileName);
+
+	void DoExecuteTasksL(const CArrayPtr<CScheduledTask>& aTasks, 
+						const TDesC& aFileName,
+						const TDesC& aErrorMessage);
+
+	void SaveTasksToFileL(const CArrayPtr<CScheduledTask>& aTasks, 
+						const TDesC& aFileName);// save 'em to a new file
+	void SaveTasksL(CFileStore& aStore, const CArrayPtr<CScheduledTask>& aTasks);
+	CFileStore* CreateStoreL(const TDesC& aName, TUint aFileMode);// needed so we can call store->CreateLC() in a trap
+	
+private: // member data
+	RFs& iFsSession;
+	TBool iReadyToExecute;
+	TInt iUsers;// for sharing
+	HBufC* iFileName;// name of supplied ExeDll thingie
+	//
+	TPriQueLink iPriLink;// owned by scheduler & kept in priority que
+	TPriQue<CScheduledTask> iTasks;
+	CSchLogManager& iSchLogManager;
+	};
+
+#include "SCHCLI.INL"
+#endif