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/*
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* Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: A class that can read multiple contacts from ETel store.
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* Uses ETel RMobilePhoneBookStore Read
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*
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*/
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#ifndef VPBKSIMSTOREIMPL_CMULTIPLEREADCMD_H
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#define VPBKSIMSTOREIMPL_CMULTIPLEREADCMD_H
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// INCLUDES
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#include <MVPbkSimCommand.h>
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#include <e32base.h>
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#include <etelmm.h>
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// FORWARD DECLARATIONS
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class CVPbkETelCntConverter;
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class CVPbkSimContactBuf;
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namespace VPbkSimStoreImpl {
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// FORWARD DECLARATIONS
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class CBasicStore;
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// CLASS DECLARATION
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/**
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* A class that can read multiple contacts from ETel store.
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*
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*/
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NONSHARABLE_CLASS(CMultipleReadCmd) : public CActive,
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public MVPbkSimCommand
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{
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public: // Constructors and destructor
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/**
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* Two-phased constructor. Reads all contacts from ETel.
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* @param aBasicStore the parent store for the contacts
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* @return a new instance of this class
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*/
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static CMultipleReadCmd* NewLC( CBasicStore& aBasicStore );
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/**
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* Two-phased constructor.
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* @param aBasicStore the parent store for the contacts
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* @param aFirstIndexToRead the first ETel index to read ( >=1 )
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* @param aLastIndexToRead the last ETel index to read
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* @return a new instance of this class
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*/
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static CMultipleReadCmd* NewLC( CBasicStore& aBasicStore,
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TInt aFirstIndexToRead, TInt aLastIndexToRead );
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/**
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* Two-phased constructor.
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*
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* This constructor is for the case that command is created before
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* the index is known.
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* @param aBasicStore the parent store for the contacts
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* @param aIndexToRead a reference to the index to read
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* @return a new instance of this class
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*/
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static CMultipleReadCmd* NewLC( CBasicStore& aBasicStore,
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TInt& aIndexToRead );
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/**
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* Destructor.
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*/
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virtual ~CMultipleReadCmd();
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public: // Functions from base classes
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/**
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* From MVPbkSimCommand
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*/
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void Execute();
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/**
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* From MVPbkSimCommand
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*/
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void AddObserverL( MVPbkSimCommandObserver& aObserver );
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/**
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* From MVPbkSimCommand
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*/
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void CancelCmd();
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private: // Functions from base classes
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/**
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* From CActive
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*/
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void RunL();
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/**
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* From CActive
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*/
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void DoCancel();
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/**
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* From CActive
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*/
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TInt RunError( TInt aError );
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private: // Construction
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/**
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* C++ constructor.
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*/
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CMultipleReadCmd( CBasicStore& aBasicStore,
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TInt aFirstIndexToRead, TInt aLastIndexToRead );
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/**
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* C++ constructor.
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*/
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CMultipleReadCmd( CBasicStore& aBasicStore,
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TInt& aIndexToRead );
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/**
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* By default Symbian 2nd phase constructor is private.
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*/
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void ConstructL();
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private: // New functions
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/// Completes the active object with given result
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void DoDummyRequest( TInt aResult );
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/// Does the ETel request
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void DoRequest();
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/// Checks that is buffer growing without control
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TBool IsBufferSizeInSane();
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/// Enlarges the buffer if it wasn't big enough
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void EnlargeBufferL();
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/// Converts contact from buffer
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void ConvertContactsL();
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/// Returns ETrue if buffer was big enough
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TBool WasBufferBigEnough();
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/// Inserts contacts to contact array
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void UpdateContactArrayL();
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/// Fills buffer with zeros and sets the length to zero
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void ResetBuffer();
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private: // Data
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/// The parent store
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CBasicStore& iBasicStore;
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/// The first ETel index to read, minimum is 1, not zero.
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TInt iFirstIndexToRead;
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/// The amount contacts that is tried to read at once
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TInt iLastIndexToRead;
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/// The index to read in the case the index is not known when
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/// the command is created.
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const TInt& iIndexToRead;
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/// Own: a buffer for ETel contacts
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HBufC8* iBuffer;
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/// A pointer to the buffer
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TPtr8 iBufferPtr;
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/// Own: converts ETel contacts to own format
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CVPbkETelCntConverter* iCntConverter;
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/// an array for the contacts. Owns contact until contact array
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/// takes the ownership
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RPointerArray<CVPbkSimContactBuf> iCntArray;
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/// Ref: only one observer supported
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MVPbkSimCommandObserver* iObserver;
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};
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} // namespace VPbkSimStoreImpl
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#endif // VPBKSIMSTOREIMPL_CMULTIPLEREADCMD_H
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// End of File
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