// 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 the License "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 CDISPLAY_H

 #define CDISPLAY_H

 static const TInt KDisplayWidth = 100;

 static const TInt KLineLength = KDisplayWidth;

 typedef TBuf<KLineLength> TLine;

 class CScrollWindow: public CBase

 {

 public:

     static CScrollWindow* NewL(CConsoleBase& aConsole);

     ~CScrollWindow();

 private:

     CScrollWindow(CConsoleBase& aConsole);

     void ConstructL();

 public:

     void Reset();

     void Update();

     void AppendL(const TDesC& aLine);

     TLine* NewLineL();

     void PageInc();

     void PageDec();

     void PageZero() {iPage = 0;}

 private:

     CConsoleBase& iConsole;

     TLine iTmpLine;

     RArray<TLine> iLineArray;

     TInt iPage;

     static const TInt KPageLength = 8;

 };

 class CDisplay: public MDriveDisplay, public CBase

     {

 public:

 	static CDisplay* NewLC(RFs& aFs, CConsoleBase& aConsole);

 	~CDisplay();

 private:

 	CDisplay(RFs& aFs, CConsoleBase& aConsole);

 	void ConstructL();

 public:

     void Menu();

     void DriveListL() const;

     void DevicesNumber(TInt aDevicesNumber) const;

     void DriveMapL(const TDriveMap& aDriveMap) const ;

     void DeviceMapL(TInt aRow, TInt deviceIndex, const TDeviceMap& aDeviceMap) const;

     void DeviceMapClear(TInt deviceIndex) const;

     void UpTime(TUint aUpTime) const;

     void MemoryFree(TInt aBytes) const;

     void GetDriveInfoL(TChar aChar);

     void DriveInfo();

     void Read(TRequestStatus &aStatus) {iConsole.Read(aStatus);}

     void ReadCancel() {iConsole.ReadCancel();}

     TKeyCode KeyCode() const {return iConsole.KeyCode();}

     void PageInc() {iScrollWindow->PageInc();}

     void PageDec() {iScrollWindow->PageDec();}

     void PageZero() {iScrollWindow->PageZero();}

 private:

     void FormatDriveInfoL(const TDriveInfo& aDriveInfo);

     void FormatVolumeInfoL(const TVolumeInfo& aVolumeInfo);

     void CursorHome() const;

 private:

     RFs& iFs;

     CConsoleBase& iConsole;

     TPoint iCursorPos;

     CScrollWindow* iScrollWindow;

     };

 inline void CDisplay::CursorHome() const

     {

     iConsole.SetPos(iCursorPos.iX, iCursorPos.iY);

     }

 class CMessageKeyProcessor : public CActive

 	{

 public:

 	static CMessageKeyProcessor* NewLC(CDisplay& aDisplay, RUsbOtgSession& aUsbOtgSession);

 	~CMessageKeyProcessor();

 private:

 	CMessageKeyProcessor(CDisplay& aDisplay, RUsbOtgSession& aUsbOtgSession);

 	void ConstructL();

 public:

 	// Issue request

 	void RequestCharacter();

 	// Cancel request.

 	// Defined as pure virtual by CActive;

 	// implementation provided by this class.

 	void DoCancel();

 	// Service completed request.

 	// Defined as pure virtual by CActive;

 	// implementation provided by this class,

 	void RunL();

 	// Called from RunL() to handle the completed request

 	void ProcessKeyPressL(TKeyCode aKeyCode);

 private:

     TBool HandleKeyL(TKeyCode aKeyCode);

 private:

 	CDisplay& iDisplay;

     RUsbOtgSession& iUsbOtgSession;

 	};

 #endif