/*

* 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:

*

*/

/**

 @file

 @internalComponent

*/

#ifndef REFERENCEPOLICYPLUGIN_H

#define REFERENCEPOLICYPLUGIN_H

#include <usb/hostms/msmmpolicypluginbase.h>

#include <f32file.h>

typedef RPointerArray<TPolicyMountRecord> RMountRecordArray;

class CRepository;

class CMsmmPolicyNotificationManager;

NONSHARABLE_CLASS(CReferencePolicyPlugin) : 

    public CMsmmPolicyPluginBase

    {

public:

    virtual ~CReferencePolicyPlugin();

    static CReferencePolicyPlugin* NewL();

    // CMsmmPolicyPluginBase implementation

    void RetrieveDriveLetterL(TText& aDriveName, 

            const TPolicyRequestData& aData, TRequestStatus& aStatus);

    void CancelRetrieveDriveLetter();

    void SaveLatestMountInfoL(const TPolicyMountRecord& aData, 

            TRequestStatus& aStatus);

    void CancelSaveLatestMountInfo();

    void SendErrorNotificationL(const THostMsErrData& aErrData);

    void GetSuspensionPolicy(TSuspensionPolicy& aPolicy);

protected:

    // CActive implementation

    void DoCancel();

    void RunL();

private: // Constructor

    CReferencePolicyPlugin();

    void ConstructL();

    void RetrieveDriveLetterL(TText& aDriveName, 

            const TPolicyRequestData& aData);

    void SaveLatestMountInfoL(const TPolicyMountRecord& aData);

    void Complete(TInt aError = KErrNone);

    // Prepare available drive name list buffer

    void PrepareAvailableDriveList();

    // Get available drive names by policy (Forbidden list will be removed)

    void AvailableDriveListL();

    // Filter F32 forbidden drive names from available list

    void FilterFsForbiddenDriveListL(TDriveList& aAvailableNames);

    // Called to filter the used drive letters

    void FindFirstNotUsedDriveLetter(

            const TDriveList& aAvailableNames,

            TText& aDriveName);

    // Retrieve history from CR

    void RetrieveHistoryL();

    // Remove all buffered history

    void ClearHistory();

    // Search in history array for a logic unit

    TInt SearchHistoryByLogicUnit(const TPolicyRequestData& aLogicUnit) const;

private:

    CRepository* iRepository;    // Owned

    TInt iMaxHistoryRecCount;

    TDriveList iAvailableDrvList;  // Drive list available by policy

    RMountRecordArray iHistory;  // Device history

    TSuspensionPolicy iSuspensionPolicy; // Suspension policy

    RFs iFs;

    CMsmmPolicyNotificationManager* iNotificationMan;

    TRequestStatus* iClientStatus; // No ownership

    };

#endif /*REFERENCEPOLICYPLUGIN_H*/