sl@0: // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // class CClientProxy
sl@0: // -scheduler's representation of client
sl@0: // -contains info scheduler needs to start real client in its own process	
sl@0: // -reference-counted: deleted when no tasks & no sessions reference it
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef __SCHCLI_H__
sl@0: #define __SCHCLI_H__
sl@0: 
sl@0: #include <e32base.h>
sl@0: 
sl@0: // Classes referenced
sl@0: class RFs;
sl@0: class CScheduledTask;
sl@0: class RWriteStream;
sl@0: class CFileStore;
sl@0: class CSchLogManager;
sl@0: 
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: NONSHARABLE_CLASS(CClientProxy) : public CBase
sl@0: 	{
sl@0: public:
sl@0: 	static CClientProxy* NewL(RFs& aFsSession, 
sl@0: 							RReadStream& aStream,
sl@0: 							CSchLogManager& aLogManager);
sl@0: 	static CClientProxy* NewL(RFs& aFsSession, 
sl@0: 							const TDesC& aFileName, 
sl@0: 							TInt aPriority,
sl@0: 							CSchLogManager& aLogManager);
sl@0: 	~CClientProxy();
sl@0: 
sl@0: private:
sl@0: 	CClientProxy(RFs& aFsSession,CSchLogManager& aLogManager);
sl@0: 	CClientProxy(RFs& aFsSession, TInt aPriority,CSchLogManager& aLogManager);
sl@0: 	void ConstructL(const TDesC& aFileName); 
sl@0: 
sl@0: public:
sl@0: 	TBool IsEqual(const TDesC& aFilename, TInt aPriority) const;
sl@0: 	void ExecuteTasks();
sl@0: 	void AddTask(CScheduledTask& aTask);
sl@0: 	void RemoveTask(CScheduledTask* aTask);
sl@0: 	void RemoveDueTasks();
sl@0: 	void TransferTasks(CClientProxy& aTargetClient);
sl@0: 
sl@0: 	// sharing stuff
sl@0: 	inline void DecUsers();			
sl@0: 	inline void IncUsers();				
sl@0: 	inline TInt Users() const;	
sl@0: 
sl@0: 	// execution
sl@0: 	inline void ReadyToExecute();		
sl@0: 	inline TBool IsReadyToExecute() const;
sl@0: 
sl@0: 	// list capability
sl@0: 	inline static TInt Offset();
sl@0: 	inline void Remove();// remove youself from que
sl@0: 
sl@0: 	inline const TDesC& ExecutorFileName() const { return *iFileName; }
sl@0: 	TDblQueIter<CScheduledTask> TaskIterator();
sl@0: 	TInt Priority() const;
sl@0: 
sl@0: public:
sl@0: 	void InternalizeL(RReadStream& aStream);
sl@0: 	void ExternalizeL(RWriteStream& aStream) const;
sl@0: 
sl@0: private: // internal functions
sl@0: 	void DoExecuteTasksL();
sl@0: 	CArrayPtr<CScheduledTask>* DueTasksL();// copy the due tasks into an array
sl@0: 
sl@0: 	// called before running the task
sl@0: 	TInt DoExecuteTasks(const CArrayPtr<CScheduledTask>& aTasks, 
sl@0: 						const TDesC& aFileName);
sl@0: 
sl@0: 	void DoExecuteTasksL(const CArrayPtr<CScheduledTask>& aTasks, 
sl@0: 						const TDesC& aFileName,
sl@0: 						const TDesC& aErrorMessage);
sl@0: 
sl@0: 	void SaveTasksToFileL(const CArrayPtr<CScheduledTask>& aTasks, 
sl@0: 						const TDesC& aFileName);// save 'em to a new file
sl@0: 	void SaveTasksL(CFileStore& aStore, const CArrayPtr<CScheduledTask>& aTasks);
sl@0: 	CFileStore* CreateStoreL(const TDesC& aName, TUint aFileMode);// needed so we can call store->CreateLC() in a trap
sl@0: 	
sl@0: private: // member data
sl@0: 	RFs& iFsSession;
sl@0: 	TBool iReadyToExecute;
sl@0: 	TInt iUsers;// for sharing
sl@0: 	HBufC* iFileName;// name of supplied ExeDll thingie
sl@0: 	//
sl@0: 	TPriQueLink iPriLink;// owned by scheduler & kept in priority que
sl@0: 	TPriQue<CScheduledTask> iTasks;
sl@0: 	CSchLogManager& iSchLogManager;
sl@0: 	};
sl@0: 
sl@0: #include "SCHCLI.INL"
sl@0: #endif