/*

* Copyright (c) 2005-2006 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:  VCommandManager application which is started during boot. 

*

*/

// INCLUDE FILES

#include "rubydebug.h"

#include <centralrepository.h>

#include "srsfprivatecrkeys.h"

#include <menu2internalcrkeys.h>

#include <f32file.h>

#include "vcommandmanager.h"

#include "vcxmlparser.h"

#include "vcommandmerger.h"

// CONSTANTS

_LIT( KPrivateSubDirectory, "import\\" );

_LIT( KFileFilter, "*.xml" );

//static const TInt KUndefinedLanguage = -1;

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

// CVCommandManager::CVCommandManager

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CVCommandManager::CVCommandManager( TBool aForceRetrain )

 : iCommands(), iMatchingIndices(), iLanguageChanged( aForceRetrain )

    {

    // Nothing

    }

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

// CVCommandManager::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CVCommandManager::ConstructL()

    {

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

    iParser = CVcXmlParser::NewL( iRFs, *this );

    // Create service object

    CVCommandHandler* service = CVCommandHandler::NewL();

    CleanupStack::PushL( service );

    ParseAllFilesL();

    // Get all existing commands from VCommandHandler

    iCommandArray = service->ListCommandsL();

    CVCommandMerger* merger = CVCommandMerger::NewLC();

    CVCommandArray* deduction = merger->ProduceDeductionByRunnablesLC( *iCommandArray, iCommands );

    CVCommandArray* addition = merger->ProduceAdditionByRunnablesLC( *iCommandArray, iCommands );

    service->RemoveCommandsL( deduction->PointerArray(), ETrue );

    service->AddCommandsL( addition->PointerArray(), ETrue );

    CleanupStack::PopAndDestroy( addition );

    CleanupStack::PopAndDestroy( deduction );

    CleanupStack::PopAndDestroy( merger );

    CleanupStack::PopAndDestroy( service );

    }

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

// CVCommandManager::NewL

// Two-phased constructor.

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

//

CVCommandManager* CVCommandManager::NewL( TBool aForceRetrain )

    {

    CVCommandManager* self = new ( ELeave ) CVCommandManager( aForceRetrain );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CVCommandManager::ParseAllFilesL

// Goes through directories and parses all xml files.

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

//

void CVCommandManager::ParseAllFilesL()

    {

    RUBY_DEBUG_BLOCK( "CVCommandManager::ParseAllFilesL" );

    TDriveList drivelist;

    User::LeaveIfError( iRFs.DriveList( drivelist ) ); 

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

        {

        if ( drivelist[drive] ) 

            {

            TChar driveLetter; 

			User::LeaveIfError( iRFs.DriveToChar( drive, driveLetter ) );

            TFileName directory;

            iRFs.PrivatePath( directory );

            directory.Insert( 0, _L(" :"));

            directory[0] = driveLetter; // replace " " with a drive letter

            // parse files from private directory

            ParseAllFilesFromDirectoryL( directory );

            // parse filer from import directory

            directory.Append( KPrivateSubDirectory );

            ParseAllFilesFromDirectoryL( directory );    

            }

        }

    }

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

// CVCommandManager::ParseAllFilesFromDirectoryL

// Goes through directory and parses all xml files.

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

//

void CVCommandManager::ParseAllFilesFromDirectoryL( const TDesC& aDirectory )

    {

    RUBY_DEBUG_BLOCK( "CVCommandManager::ParseAllFilesFromDirectoryL" );

    CDir* dirContents = NULL;

    TFileName searchPath( aDirectory );

    searchPath.Append( KFileFilter );

    RUBY_DEBUG1( "CVCommandManager::ParseAllFilesFromDirectoryL - Search path: [%S]", &searchPath );

    TInt error = iRFs.GetDir( searchPath, KEntryAttMatchMask, ESortNone, dirContents );   

    if ( error == KErrNone )

        {        

        CleanupStack::PushL( dirContents );

        RUBY_DEBUG1( "CVCommandManager::ParseAllFilesFromDirectoryL - Found %d xml-file(s)", dirContents->Count() );

        // Go through all found xml files

        for ( TInt iCounter = 0; iCounter < dirContents->Count(); iCounter++ )

            {

            TEntry entry = (*dirContents)[iCounter];

            if ( !entry.IsDir() )

                {

                TFileName filename( aDirectory );

                filename.Append( entry.iName );                

                TRAPD( error, iParser->ParseFileL( filename ) );

                if ( error )

                    {

                    // Reset parser if an error occurs

                    delete iParser;

                    iParser = NULL;

                    iParser = CVcXmlParser::NewL( iRFs, *this );

                    }

                }

            }

        CleanupStack::PopAndDestroy( dirContents );    

        }

    else

        {

        RUBY_DEBUG1( "CVCommandManager::ParseAllFilesFromDirectoryL - GetDir returns [%d]", error );

        }

    }

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

// CVCommandManager::CompareCommands

// Compares if two commands are equal

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

//  

TBool CVCommandManager::CompareCommands( const CVCommand* aFirst, const CVCommand* aSecond )

    {

    TBool result = EFalse;

    if ( aFirst && aSecond )

        {

        result = aFirst->Runnable() == aSecond->Runnable();

        }

    return result;

    }

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

// CVCommandManager::~CVCommandManager

// Destructor.

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

//

CVCommandManager::~CVCommandManager()

    {

    delete iParser;

//    delete iClient;

    delete iCommandArray;

    iCommands.ResetAndDestroy();

    iMatchingIndices.Close();

    iRFs.Close();

    }

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

// CVCommandManager::VCMThreadFunction

// Static main function for Voice Command Manager thread

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

//    

TInt CVCommandManager::VCMThreadFunction( TAny* /*aParams*/ )

    {

    __UHEAP_MARK;

    // CleanupStack creation

    CTrapCleanup* cleanupStack = CTrapCleanup::New();

    CActiveScheduler* scheduler = NULL;

    TInt error = KErrNone;

    TRAP( error, 

        // ActiveScheduler creation

        scheduler = new ( ELeave ) CActiveScheduler();

        CleanupStack::PushL( scheduler );

        CActiveScheduler::Install( scheduler );

        TSecureId sid = RThread().SecureId();

        RUBY_DEBUG1( "VCommandManager secure id [%x]", sid.iId );

        // Create VCommandManager

        CVCommandManager* vcmanager = CVCommandManager::NewL( EFalse );

        delete vcmanager;

        CleanupStack::PopAndDestroy( scheduler ); 

    ); // TRAP

    delete cleanupStack;

    __UHEAP_MARKEND;

    RUBY_DEBUG0( "CVCommandManager::VCMThreadFunction finished ok" );

    return error;

    }

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

// CVCommandManager::ConstructCommandL

// Constructs new command with given data

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

//      

void CVCommandManager::ConstructCommandL( const TDesC& aWrittenText,

                                          const TDesC& aSpokenText,

                                          const TDesC& aTooltipText,

                                          const TDesC& aFolder,

                                          const TDesC& aFolderTitle,

                                          const TDesC& aParameters, 

                                          TUid aIcon,

                                          TUid aAppId,

                                          const TDesC& aAppName,

                                          TBool aStartImmediately,

                                          TBool aUserCanModify,

                                          const TDesC& aFolderIconFile,

                                      	  TInt aFolderIconIndex

                                           )

    {

    const TInt KCenRepBufferSize = 255;

    RUBY_DEBUG_BLOCKL( "CVCommandManager::ConstructCommandL" );

    RUBY_DEBUG1( "CVCommandManager::ConstructCommandL - Creating command: [%S]", &aWrittenText );    

    // First check that if the application is hidden so voice command is not created then

    if ( aAppId != KNullUid )

    	{

	    TBuf<KCenRepBufferSize> buf;

	    CRepository* cenRepSession = CRepository::NewLC( KCRUidMenu );

	    cenRepSession->Get( KMenuHideApplication, buf );

	    CleanupStack::PopAndDestroy( cenRepSession );

		buf.LowerCase();

	    TBuf<8> textUidHex;

	    textUidHex.AppendNumFixedWidth( aAppId.iUid, EHex, 8 );    

	    if ( buf.Find( textUidHex ) != KErrNotFound )

	    	{

	    	// hidden application: no voice tag needed

	    	RUBY_DEBUG1( "%S hidden application", &aWrittenText );  

	    	return;

	    	}

        }

	HBufC8* arguments = HBufC8::NewL( aParameters.Length() );

	CleanupStack::PushL( arguments );

	TPtr8 argumentsPtr = arguments->Des();

	argumentsPtr.Copy( aParameters );        

    // Create runnable object

    CVCRunnable* runnable = NULL;        

    if ( aAppId != KNullUid )

        {

        runnable = CVCRunnable::NewL( aAppId, argumentsPtr );

        }

    else

        {

        runnable = CVCRunnable::NewL( aAppName, argumentsPtr );

        }

    CleanupStack::PushL( runnable );

    CVCFolderInfo* folderInfo = CVCFolderInfo::NewL( aFolderTitle, aFolder, 0, 

    												 aFolderIconIndex, aFolderIconFile );

    CleanupStack::PushL( folderInfo );

    // Create commandUi object

    CVCCommandUi* commandUi = CVCCommandUi::NewL( aWrittenText,

                                                  *folderInfo,

                                                  aUserCanModify,

                                                  aTooltipText,

                                                  aIcon,

                                                  KNullDesC,

                                                  !aStartImmediately );

    CleanupStack::PopAndDestroy( folderInfo );

    CleanupStack::PushL( commandUi );

    // Create command object

    CVCommand* command = CVCommand::NewL( aSpokenText, *runnable, *commandUi );

    TBool found = EFalse;

    // Check that identical command has not already been found from some xml-file

    for ( int i = 0; i < iCommands.Count(); ++i )

        {

        if ( CompareCommands( iCommands[ i ], command ) )

            {

            found = ETrue;

            break;

            }            

        }

    // Add command if not found already

    if ( !found )

        {

        iCommands.Append( command );

        iMatchingIndices.Append( KErrNotFound );

        }

    else

        {

        delete command;

        }

    CleanupStack::PopAndDestroy( commandUi ); 

    CleanupStack::PopAndDestroy( runnable ); 

    CleanupStack::PopAndDestroy( arguments );    

    }

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

// CVCommandManager::MvcxpoVoiceCommandFound

// Callback from VC XML parser

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

//        

void CVCommandManager::MvcxpoVoiceCommandFound( const TDesC& aWrittenText,

                                                const TDesC& aSpokenText,

                                                const TDesC& aTooltipText,

                                                const TDesC& aFolder,

                                                const TDesC& aFolderTitle,

                                                const TDesC& aParameters, 

                                                TUid aIcon,

                                                TUid aAppId,

                                                const TDesC& aAppName,

                                                TBool aStartImmediately,

                                                TBool aUserCanModify,

                                                const TDesC& aFolderIconFile,

		                                        TInt aFolderIconIndex

                                                 )

    {

    RUBY_DEBUG0( "CVCommandManager::MvcxpoVoiceCommandFound START" );

    TRAP_IGNORE( ConstructCommandL( aWrittenText,

                                    aSpokenText,

                                    aTooltipText,

                                    aFolder,

                                    aFolderTitle,

                                    aParameters,

                                    aIcon,

                                    aAppId,

                                    aAppName,

                                    aStartImmediately,

                                    aUserCanModify,

                                    aFolderIconFile,

                                    aFolderIconIndex ) );

    RUBY_DEBUG0( "CVCommandManager::MvcxpoVoiceCommandFound EXIT" );

    }

// End of File