/*

* Copyright (c) 2008 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:  

*

*/

// INCLUDE FILES

#include <badesca.h>

#include <sacls.h>

#include "mcssuitehandler.h"

#include "menueng.h"

#include "mcsinstallnotifier.h"

#include "mcssuiteparser.h"

#include "mcssuiteobject.h"

#include "menusrvengutils.h"

#include "mcsmenuitem.h"

// ================= LOCAL FUNCTIONS =======================

/**

* Cleanup support method. Call ResetAndDestroy() on the array.

* @param RMenuItemArray* as TAny*

*/

LOCAL_C void ResetAndDestroy( TAny* aArray )

    {

    ((RPointerArray<CSuiteObject>*)aArray)->ResetAndDestroy();

    }

// ---------------------------------------------------------

// CleanupResetAndDestroyPushL

// ---------------------------------------------------------

//

LOCAL_C void CleanupResetAndDestroyPushL( RPointerArray<CSuiteObject>& aArray )

    {

    CleanupStack::PushL( TCleanupItem( ResetAndDestroy, &aArray ) );

    }

// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------

// CMcsSuiteHandler::NewL

// ---------------------------------------------------------

//

CMcsSuiteHandler* CMcsSuiteHandler::NewL( CMenuEng& aEng, const TDesC& aDirName )

	{

	CMcsSuiteHandler* self = new( ELeave ) CMcsSuiteHandler( aEng );

	CleanupStack::PushL( self );

	self->ConstructL(aDirName);

	CleanupStack::Pop( self );

	return self;

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::~CMcsSuiteHandler

// ---------------------------------------------------------

//

CMcsSuiteHandler::~CMcsSuiteHandler()

	{

	iSuites.ResetAndDestroy();

	delete iMmcObserver;

	delete iFreeSpaceObserver;

	delete iInstallNotifier;

	iTimestamps.Close();

	iNewTimestamps.Close();

	iEng.DequeueOperation( *this );

	delete iInstalledFileList;

	delete iFileNewList;

	iDirPath.Close();

	iFs.Close();

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::HaveSuite

// ---------------------------------------------------------

//

TBool CMcsSuiteHandler::HaveSuite(const TDesC& aSuiteName)

	{

	return iSuites.Exist(aSuiteName);

	}

void CMcsSuiteHandler::GetAttribute( const TDesC& aSuiteName, const TDesC& aAttrName, 

	TBool& aAttrExists, TDes& aAttrVal )

	{

	TInt suitePos = iSuites.FindLastSuite(aSuiteName);

	if (suitePos != KErrNotFound)

		{

		iSuites[suitePos]->GetAttribute(aAttrName, aAttrExists, aAttrVal);

		}

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::CMcsSuiteHandler

// ---------------------------------------------------------

//

CMcsSuiteHandler::CMcsSuiteHandler( CMenuEng& aEng ) :

	iEng(aEng)

	{

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::ConstructL

// ---------------------------------------------------------

//

void CMcsSuiteHandler::ConstructL(const TDesC& aDirName)

	{

	User::LeaveIfError( iFs.Connect( ) );

	iDirPath.CreateL( KMaxPath );

	User::LeaveIfError( iFs.PrivatePath( iDirPath ) );

	iDirPath.Append(KImportDir);

	iDirPath.Append(KBackSlash);

	iDirPath.Append(aDirName);

	iDirPath.Append(KBackSlash);

	iFileNewList = new (ELeave) CDesCArrayFlat(KDefaultGranularity);

	iInstalledFileList = new (ELeave) CDesCArrayFlat(KDefaultGranularity);

	iInstallNotifier = CMcsInstallNotifier::NewL(*this, KSAUidSoftwareInstallKeyValue);

	iMmcObserver = CMcsMmcObserver::NewL( *this );

	iFreeSpaceObserver = CMcsFreeSpaceObserver::NewL( *this );

	// Import suites form suite dir

	CheckSuiteDirL();

	iEvent = EInstOpRestore;

	iEng.QueueOperationL( *this );

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::HandleInstallNotifyL

// ---------------------------------------------------------

//

void CMcsSuiteHandler::HandleInstallNotifyL(TInt aEvent)

	{

	// Look for new files

    CheckSuiteDirL();

    iEvent = aEvent;

    iEng.QueueOperationL( *this );

    }

// ---------------------------------------------------------

// CMcsSuiteHandler::HandleMmcEventL

// ---------------------------------------------------------

//

void CMcsSuiteHandler::HandleMmcEventL(TInt aEvent)

    {

    CheckSuiteDirL();

    if (aEvent == EMmcInsert)

        {

        iEvent = EInstOpInstall;

        }

    else if (aEvent == EMmcRemove)

        {

        iEvent = EInstOpUninstall;

        }

    iEng.QueueOperationL( *this );

    }

// ---------------------------------------------------------

// CMcsSuiteHandler::HandleFreeSpaceEventL

// ---------------------------------------------------------

//

void CMcsSuiteHandler::HandleFreeSpaceEventL()

    {

    CheckSuiteDirL();

    iEvent = EInstOpUninstall;

    iEng.QueueOperationL( *this );

    }

// ---------------------------------------------------------

// CMcsSuiteHandler::CheckSuiteDirL

// ---------------------------------------------------------

//

void CMcsSuiteHandler::CheckSuiteDirL()

	{

	// Get file list

	iFileNewList->Reset();

	iNewTimestamps.Reset();

	TDriveList driveList;

	TChar driveLetter;

	User::LeaveIfError(iFs.DriveList(driveList));

	for (TInt driveNumber = EDriveA; driveNumber <= EDriveZ; driveNumber++)

		{

		if (driveList[driveNumber])

			{

			User::LeaveIfError(iFs.DriveToChar(driveNumber, driveLetter));

			RBuf filePath;

			filePath.CreateL(KMaxPath);

			CleanupClosePushL(filePath);

			filePath.Append(driveLetter);

			filePath.Append(KColen);

			filePath.Append(iDirPath);

			CDir* fileList;

			iFs.GetDir(filePath, KEntryAttMaskSupported,

					ESortByName, fileList);

			CleanupStack::PopAndDestroy(&filePath);

			if (fileList)

				{

				CleanupStack::PushL(fileList);

				for (TInt i = 0; i < fileList->Count(); i++)

					{

					// Not dir, xml file

					if (!(*fileList)[i].IsDir() && ValidExtansion(

							(*fileList)[i].iName))

						{

						// Don't add same file names more then once

						// Or else it will case trouble during update

						TInt dummy;

						if ( iFileNewList->Find((*fileList)[i].iName, dummy) )

							{

							iFileNewList->AppendL((*fileList)[i].iName);

							iNewTimestamps.AppendL((*fileList)[i].iModified);

							}

						}

					}

				CleanupStack::PopAndDestroy(fileList);

				}

			}

		}

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::AddNewL

// ---------------------------------------------------------

//

void CMcsSuiteHandler::AddNew()

	{

	for ( TInt i = 0; i < iFileNewList->Count(); i++ )

		{

		TPtrC fileNewName = (*iFileNewList)[i];

		TTime fileTimestamp = iNewTimestamps[i];

		if ( !FileInstalled(fileNewName) )

			{

			// Not yet installed, install it

			TRAP_IGNORE( InstallFileL(fileNewName, fileTimestamp) );

			}

		else if (FileNeedUpdate(fileNewName, fileTimestamp) )

			{

			//Installed, but needs update

			TRAP_IGNORE( UpdateFileL( fileNewName, fileTimestamp) );

			}

		}

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::RemoveOldL

// ---------------------------------------------------------

//

void CMcsSuiteHandler::RemoveOld()

	{

	for ( TInt i = 0; i < iInstalledFileList->Count(); i++ )

		{

		TPtrC fileNewName = (*iInstalledFileList)[i]; 

		// File was removed, unistall it

		if ( FileUninstalled(fileNewName) )

			{

			TRAP_IGNORE( UninstallFileL(fileNewName) );

			}

		}

	iInstalledFileList->Compress();

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::ScanSuitesL

// ---------------------------------------------------------

//

void CMcsSuiteHandler::ScanSuitesL()

	{

	RArray<TMenuItem> suiteItems; 

	CleanupClosePushL( suiteItems );

	GetMenuSuitesL( suiteItems, KMenuAttSuiteAdded(), KMenuTrue() );

	for ( TInt i = 0; i < suiteItems.Count(); i++ )

		{

		TBool dummy(EFalse);

		TPtrC suiteName(KNullDesC);

		iEng.ObjectL( suiteItems[i].Id() ).

			FindAttribute( KMenuAttSuiteName, suiteName, dummy );

		if ( !HaveSuite( suiteName ) )

			{

			iEng.RemoveL( suiteItems[i].Id() );

			}

		}

	CleanupStack::PopAndDestroy(&suiteItems);

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::FileExistL

// ---------------------------------------------------------

//

TBool CMcsSuiteHandler::FileInstalled(const TDesC& aFileName)

	{

	TInt posInArray;

	// uses Folded Comparing

	if (iInstalledFileList->Find(aFileName, posInArray) == KErrNone)

		{

		return ETrue;

		}

	return EFalse;

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::FileUninstalled

// ---------------------------------------------------------

//

TBool CMcsSuiteHandler::FileUninstalled(const TDesC& aFileName)

	{

	for (TInt j = 0 ; j < iFileNewList->Count(); j++)

		{

		if ( !(*iFileNewList)[j].Compare( aFileName ) )

			{

			// Wasn't removed but maybe needs to be updated (rom case)

			return FileNeedUpdate(aFileName, iNewTimestamps[j]);

			}

		}

	return ETrue;

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::FileNeedUpdate

// ---------------------------------------------------------

//

TBool CMcsSuiteHandler::FileNeedUpdate(const TDesC& aFileName, const TTime& aTimestamp)

	{

	TInt posInArray;

	// uses Folded Comparing

	if (iInstalledFileList->Find(aFileName, posInArray) == KErrNone)

		{

		// If timestamps mach then it's the same file

		return (iTimestamps[posInArray] != aTimestamp);

		}

	return EFalse;

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::ValidExtansion

// ---------------------------------------------------------

//

TBool CMcsSuiteHandler::ValidExtansion(const TDesC& aFileName)

	{

	TPtrC fileExt = 

		aFileName.Mid( aFileName.LocateReverse( KDot ) + 1 );

	return ( fileExt.CompareF(KXmlExt) == 0 );

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::InstallFile

// ---------------------------------------------------------

//

void CMcsSuiteHandler::InstallFileL(const TDesC& aFileName, const TTime& aTimestam)

	{	

	RPointerArray<CSuiteObject> suiteArray;

	CleanupResetAndDestroyPushL(suiteArray);

	// Get suite from suite file

	GetSuitesL(aFileName, suiteArray);

	//Add filename to installed suites files array

	//If Leave occured during GetSuitesL filename wont be added 

	iInstalledFileList->AppendL(aFileName);

	iTimestamps.AppendL(aTimestam);

	// Take the ownership of suite items

	for (TInt i = 0; i < suiteArray.Count(); i++ )

		{

		User::LeaveIfError( iSuites.Append( suiteArray[i] ) );

        TRAPD( err, AddSuiteL( suiteArray[i]->SuiteName() ) );

		if( err!=KErrNone )

		    {

		    if( i==0 )

                {

                iInstalledFileList->Delete( iInstalledFileList->Count()-1 );

                iTimestamps.Remove( iTimestamps.Count()-1 );

                }

            iSuites.Remove( iSuites.Count()-1 );

            User::Leave( err );

		    }

		suiteArray[i] = NULL;

		}

	CleanupStack::Pop(&suiteArray);

	suiteArray.Close();

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::UninstallFile

// ---------------------------------------------------------

//

void CMcsSuiteHandler::UninstallFileL(const TDesC& aFileName)

	{

	TInt pos(KErrNotFound);

	if ( !iInstalledFileList->Find(aFileName, pos))

		{

		// Need to know what suites are beeing removed

		CDesCArrayFlat* removedSuites = 

			new (ELeave) CDesCArrayFlat(KDefaultGranularity);

		CleanupStack::PushL(removedSuites);

		for (TInt i = 0; i < iSuites.Count(); i++)

			{

			if ( aFileName.Compare( iSuites[i]->FileName() ) == KErrNone )

			    {

				removedSuites->AppendL( iSuites[i]->SuiteName() );

				}

			}

		// We know what suites are beeing removed, we can remove those safly

		iSuites.RemoveByFileName(aFileName);

		// Remove uninstalled file from our list

		iInstalledFileList->Delete(pos);

		iTimestamps.Remove(pos);

		// And reopen removed suites defined in other files

		for (TInt i = 0; i < removedSuites->Count(); i++)

			{

			TInt suitePos = iSuites.FindLastSuite( (*removedSuites)[i] );

			if (suitePos != KErrNotFound)

				{

				ReopenSuiteL(suitePos);

				}

			else

			    {

			    RemoveSuiteFromXmlL( (*removedSuites)[i] );

			    }

			}

		CleanupStack::PopAndDestroy(removedSuites);

		}

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::UpdateFileL

// ---------------------------------------------------------

//

void CMcsSuiteHandler::UpdateFileL(const TDesC& aFileName, const TTime& aTimestam)

	{

	TInt pos;

	if (iInstalledFileList->Find(aFileName, pos) == KErrNone)

		{

		// Get rid of out of date suites

		iSuites.RemoveByFileName(aFileName);

		iInstalledFileList->Delete(pos);

		//iInstalledFileList->Compress();

		iTimestamps.Remove(pos);

		// Instal suites form file name 

		InstallFileL(aFileName, aTimestam);

		}

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::GetSuites

// ---------------------------------------------------------

//

void CMcsSuiteHandler::GetSuitesL(const TDesC& aFileName, 

		RPointerArray<CSuiteObject>& aSuiteArray)

	{

	TDriveList driveList;

    TChar driveLetter;

    User::LeaveIfError( iFs.DriveList( driveList ) );

    for ( TInt driveNumber = EDriveZ; driveNumber >= EDriveA; driveNumber-- )

        {

        if ( driveList[driveNumber] )

            {

            User::LeaveIfError( iFs.DriveToChar( driveNumber, driveLetter ) );

            RBuf file;

            file.CleanupClosePushL();

            file.CreateL( KMaxPath );

            file.Append( driveLetter );

            file.Append( KColen );

            file.Append( iDirPath );

            file.Append( aFileName );

            CSuiteParser* suiteParser = CSuiteParser::NewL(file);

            CleanupStack::PushL(suiteParser);

            TRAP_IGNORE( suiteParser->GetSuitsArrayL( aSuiteArray ) );

            CleanupStack::PopAndDestroy(suiteParser);

            CleanupStack::PopAndDestroy( &file );

            }

        }

	}

// ---------------------------------------------------------

// CMcsSuiteHandler::ReopenSuite

// ---------------------------------------------------------

//

void CMcsSuiteHandler::ReopenSuiteL(TInt aSuiteArrayPos)

	{

	RPointerArray<CSuiteObject> suiteArray;

	CleanupResetAndDestroyPushL(suiteArray);

	TPtrC suiteName = iSuites[aSuiteArrayPos]->SuiteName();

	TPtrC fileName = iSuites[aSuiteArrayPos]->FileName();

	// Get suite from suite file

	GetSuitesL(fileName, suiteArray);

	// Find our suite in suites from specified file

	CSuiteObject* neededSuite = NULL;

	for (TInt j = 0; j < suiteArray.Count(); j++)

		{

		if (suiteArray[j]->SuiteName().Compare(suiteName) == KErrNone)

			{

			// Take ownership of Suite Object

			neededSuite = suiteArray[j];

			suiteArray.Remove(j);

			break;

			}

		}

	if ( neededSuite )