/*

* Copyright (c) 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: Utils class for Media Fetch plug-in

*

*/

#ifndef AUDIOFETCHERDIALOGUTILS_H

#define AUDIOFETCHERDIALOGUTILS_H

//  INCLUDES

#include <e32base.h>

#include <s32strm.h>  // RReadStream RWriteStream

#include <f32file.h>  // RFs

#include <eikspane.h>   // CEikStatusPane

#include <aknnavi.h>    // CAknNavigationControlContainer

#include <eikimage.h>   // CEikImage

// CONSTANTS

const TInt KBufSize64  = 64;

const TInt KBufSize128 = 128;

const TInt KBufSize256 = 256;

const TInt KBufSize512 = 512;

//	FORWARD DECLARATIONS

class CAknAppUi;

class CRepository;

/**

* MMFActiveCallerObserver

*

* MMFActiveCallerObserver is for observing CActiveCaller.

*/

NONSHARABLE_CLASS (MActiveCallerObserver)

    {

    public:

	    virtual void HandleActiveCallL( TInt aCallId ) = 0;

    };

/**

* CActiveCaller

*

* CActiveCaller is used for generating a call from active scheduler.

* Typical use is to start some operation after a short delay.

*/

NONSHARABLE_CLASS (CActiveCaller) : public CActive

    {

    public:

        static CActiveCaller* NewL( MActiveCallerObserver* aObserver );

        virtual ~CActiveCaller();

    private:

	    CActiveCaller( MActiveCallerObserver* aObserver );

	    void ConstructL();

	public:

		void Start( TInt aCallId, TInt aMilliseconds );

		void Stop();

		void Request();

    private:

	    void RunL();

	    void DoCancel();

    private:

		// call that is passed to observer

		TInt iCallId;

		// timer

		RTimer iTimer;

		// observer that gets called

		MActiveCallerObserver* iObserver;

    };

/**

* CNaviPaneHandler

* 

* This class is used for changing navipane title.

*/

NONSHARABLE_CLASS (CNaviPaneHandler) : public CBase

    {

    public:

        /**

        * Destructor.

        */

        virtual ~CNaviPaneHandler();

        /**

        * C++ default constructor.

        */

        CNaviPaneHandler(CEikStatusPane* aStatusPane);

    public:

        /**

        * Sets navi pane title.

        * @param aTitle.

        * @return None.

        */

        void SetNaviPaneTitleL(const TDesC& aTitle);

        /**

        * Store navi pane.

        * @param None.

        * @return None.

        */

        void StoreNavipaneL();

    private:

        // status pane

        CEikStatusPane* iStatusPane;

        // navi Pane

        CAknNavigationControlContainer* iNaviPane;

        // navi decorator

        CAknNavigationDecorator* iNaviDecorator;

        // has Navidecorator been pushed into navi pane

        TBool iNavidecoratorPushed;

        // has navi pane been pushed into navigation pane's object stack

        TBool iNavipanePushed;

    };

/**

* CStatusPaneHandler

* 

* This class is used for changing dialog title and image.

*/

NONSHARABLE_CLASS (CStatusPaneHandler) : public CBase

    {

    public:

        /**

        * Two-phased constructor.

        */

        static CStatusPaneHandler* NewL( CAknAppUi* aAppUi );

        /**

        * Destructor.

        */

        virtual ~CStatusPaneHandler();

    private:

        /**

        * By default Symbian OS constructor is private.

        */

        void ConstructL();

        /**

        * C++ default constructor.

        */

        CStatusPaneHandler( CAknAppUi* aAppUi );

    public:

        /**

        * Stores original title so it can be restored when dialog closes.

        * @param  None.

        * @return None.

        */

        void StoreOriginalTitleL();

        /**

        * Restores original title.

        * @param  None.

        * @return None.

        */

        void RestoreOriginalTitleL();

        /**

        * Sets dialog title.

        * @param  aText.

        * @return None.

        */

        void SetTitleL( const TDesC& aText );

        /**

        * Sets dialog title.

        * @param  aResourceId.

        * @return None.

        */

        void SetTitleL( TInt aResourceId );

    public:

        /**

        * Sets dialog title.

        * @param aAppUi.

        * @param aText.

        * @return Return code.

        */

        static TBool SetTitleL( CAknAppUi* aAppUi, const TDesC& aText );

        /**

        * Gets dialog title.

        * @param aAppUi.

        * @param aText.

        * @return Return code.

        */

        static TBool GetTitleL( CAknAppUi* aAppUi, TDes& aText );

        /**

        * Sets navi pane title.

        * @param aTitle.

        * @return None.

        */

        void SetNaviPaneTitleL( const TDesC& aTitle );

        /**

        * Sets navi pane title.

        * @param aTitle.

        * @return None.

        */

        void SetNaviPaneTitle( const TDesC& aTitle );

        /**

        * Sets navi pane title.

        * @param aTitle.

        * @return None.

        */

        void SetNaviPaneTitleL( TInt aResource );

        /**

        * Store navi pane.

        * @param None.

        * @return None.

        */

        void StoreNavipaneL();

        static void StrCopy( TDes& aTarget, const TDesC& aSource );

    private:

        // access to app ui

        CAknAppUi* iAppUi;

        // original status pane title

        TBuf<KBufSize256> iOriginalTitle;

        // is original status pane title stored

        TBool iOriginalTitleStored;

        // original context pane image

        CEikImage* iOriginalImage;

        CNaviPaneHandler* iNaviPaneHandler;

    };

/**

* CDriveUtil

*

* CDriveUtil is used for getting drive information.

*/

NONSHARABLE_CLASS (CDriveUtil) : public CBase

    {

    public:

        static CDriveUtil* NewL();

        virtual ~CDriveUtil();

    private:

        CDriveUtil();

        void ConstructL();

    public:

        TBool IsMemoryCard( const TDesC& aFullPath );

        TBool IsMassStorage( const TDesC& aFullPath );

        TBool IsRom( const TDesC& aFullPath );

    private:

        RFs iFsSession;

    };

#endif // AUDIOFETCHERDIALOGUTILS_H

// End of File