mpengine/src/mpsongscanner.cpp
author hgs
Fri, 30 Apr 2010 19:33:32 -0500
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permissions -rw-r--r--
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Music Player song scanner.
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*
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*/
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#include <hbprogressdialog.h>
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#include <hbnotificationdialog.h>
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#include <hblabel.h>
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#include <hbfontspec.h>
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#include <hbmessagebox.h>
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#include "mpsongscanner.h"
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#include "mpmpxharvesterframeworkwrapper.h"
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#include "mptrace.h"
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/*!
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    \class MpSongScanner
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    \brief Music Player song scanner.
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    Song scanner interfaces with MPX Harvesting Framework to harvest
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    music files in the device.
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*/
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/*!
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 \fn void scanEnd()
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 This signal is emitted when scanning is ended.
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 \sa scan()
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*/
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/*!
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 Constructs the song scanner.
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 */
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MpSongScanner::MpSongScanner( MpMpxHarvesterFrameworkWrapper *wrapper, QObject *parent )
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    : QObject( parent ),
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      mMpxWrapper(wrapper),
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      mScanProgressNote(0),
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      mScanning(false)
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{
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    TX_ENTRY
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    connect( mMpxWrapper, SIGNAL(scanStarted()), this, SLOT(handleScanStarted()) );
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    connect( mMpxWrapper, SIGNAL(scanEnded( int, int )), this, SLOT(handleScanEnded( int, int )) );
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    connect( mMpxWrapper, SIGNAL(scanCountChanged(int)), this, SLOT(handleScanCountChanged(int)) );
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    TX_EXIT
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}
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/*!
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 Destructs the song scanner.
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 */
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MpSongScanner::~MpSongScanner()
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{
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    TX_LOG
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}
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/*!
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 Initiates song scanning.
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 */
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void MpSongScanner::scan()
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{
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    if ( !mScanning ) {
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        mScanning = true;
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        mMpxWrapper->scan();
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    }
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}
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/*!
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 Returns true if scanning is ongoing.
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 */
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bool MpSongScanner::isScanning()
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{
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    return mScanning;
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}
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/*!
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 Cancels ongoing song scanning, if any.
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 \sa scan()
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 */
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void MpSongScanner::cancelScan()
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{
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    if ( mScanning ) {
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        mScanning = false;
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        mMpxWrapper->cancelScan();
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    }
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}
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/*!
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 Slot called upon notification from MPX Harvesting FW indicating start of
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 scanning process.
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 */
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void MpSongScanner::handleScanStarted()
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{
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    if ( !mScanProgressNote ) {
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        mScanProgressNote = new HbProgressDialog( HbProgressDialog::WaitDialog );
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        connect( mScanProgressNote, SIGNAL( cancelled() ), this, SLOT( cancelScan() ) );
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        connect( mScanProgressNote, SIGNAL( aboutToClose() ), this, SLOT( handleProgressNoteClosing() ) );
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    }
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    mScanProgressNote->setModal( true );
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    HbLabel *title = new HbLabel( hbTrId( "txt_mus_title_refreshing" ) );
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    title->setFontSpec(HbFontSpec(HbFontSpec::Primary));
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    mScanProgressNote->setHeadingWidget( title );
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    mScanProgressNote->setText( QString("") );
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    mScanProgressNote->setAttribute( Qt::WA_DeleteOnClose );
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    mScanProgressNote->show();
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}
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/*!
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 Slot called upon notification from MPX Harvesting FW indicating end of
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 scanning process.
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 */
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void MpSongScanner::handleScanEnded( int numItemsAdded, int error )
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{
22
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    if (error == KErrDiskFull) {
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		if ( mScanProgressNote ) {     
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                mScanProgressNote->cancel();
20
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        }
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        HbMessageBox *diskFullDialog = new HbMessageBox();
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        diskFullDialog->setIcon( HbIcon( QString("qtg_small_fail") ) );
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        diskFullDialog->setText( hbTrId( "txt_mus_title_refresh_cancelled" ) );
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        diskFullDialog->setTimeout( HbPopup::NoTimeout);
34
hgs
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        diskFullDialog->setAttribute( Qt::WA_DeleteOnClose );
hgs
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        diskFullDialog->show();
22
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        mScanning = false;
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20
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    }
22
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    else{
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        QString added;
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        HbNotificationDialog *finishedDialog = new HbNotificationDialog();
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        finishedDialog->setModal(true);
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        finishedDialog->setAttribute( Qt::WA_DeleteOnClose );
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        added = hbTrId( "txt_mus_dpopinfo_ln_songs_added", numItemsAdded );
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        finishedDialog->setText( added );
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        if( error < 0) {
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            if ( mScanProgressNote ) {     
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                mScanProgressNote->cancel();
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            }
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            finishedDialog->setIcon( HbIcon( QString("qtg_small_fail") ) );
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            finishedDialog->setTitle( hbTrId( "txt_mus_dpophead_refresh_cancelled" ) );
20
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        }
22
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        else if ( mScanning ) {
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            if ( mScanProgressNote ) {     
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                mScanProgressNote->cancel();
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            }
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            finishedDialog->setIcon( HbIcon( QString("qtg_large_ok") ) );
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            finishedDialog->setTitle( hbTrId( "txt_mus_dpophead_refresh_complete" ) );
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        }
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        else {
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            finishedDialog->setIcon( HbIcon( QString("qtg_small_fail") ) );
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            finishedDialog->setTitle( hbTrId( "txt_mus_dpophead_refresh_cancelled" ) );
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        }
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        mScanning = false;
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        finishedDialog->show();
20
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    }
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}
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/*!
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 Slot called upon notification from MPX Harvesting FW indicating the number of
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 songs scanned so far.
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 */
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void MpSongScanner::handleScanCountChanged(int count)
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{
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    QString added;
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    added = hbTrId( "txt_mus_info_ln_songs_added" , count );
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    if ( mScanProgressNote ) {
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        mScanProgressNote->setText( added );
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    }
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}
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/*!
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 Slot to be called when disk event is received from MPX framework.
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 */
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void MpSongScanner::handleDiskEvent( MpxDiskEvents event )
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{
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    Q_UNUSED( event );
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    if ( mScanning ) {
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        if ( mScanProgressNote ) {
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            mScanProgressNote->cancel();
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        }
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        mScanning = false;
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        // AK - Should we show a dialog?
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    }
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    TX_EXIT
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}
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/*!
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 Slot used to clear mScanProgressNote when dialog is closing.
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 */
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void MpSongScanner::handleProgressNoteClosing()
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{
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    mScanProgressNote = 0;
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}
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   209