mpengine/src/mpsongscanner.cpp
changeset 29 8192e5b5c935
parent 25 3ec52facab4d
child 32 c163ef0b758d
equal deleted inserted replaced
25:3ec52facab4d 29:8192e5b5c935
     1 /*
       
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: Music Player song scanner.
       
    15 *
       
    16 */
       
    17 
       
    18 #include <hbprogressdialog.h>
       
    19 #include <hbnotificationdialog.h>
       
    20 #include <hblabel.h>
       
    21 #include <hbfontspec.h>
       
    22 #include <hbmessagebox.h>
       
    23 
       
    24 #include "mpsongscanner.h"
       
    25 #include "mpmpxharvesterframeworkwrapper.h"
       
    26 #include "mptrace.h"
       
    27 
       
    28 /*!
       
    29     \class MpSongScanner
       
    30     \brief Music Player song scanner.
       
    31 
       
    32     Song scanner interfaces with MPX Harvesting Framework to harvest
       
    33     music files in the device.
       
    34 */
       
    35 
       
    36 /*!
       
    37  \fn void scanEnd()
       
    38 
       
    39  This signal is emitted when scanning is ended.
       
    40 
       
    41  \sa scan()
       
    42 */
       
    43 
       
    44 /*!
       
    45  Constructs the song scanner.
       
    46  */
       
    47 MpSongScanner::MpSongScanner( MpMpxHarvesterFrameworkWrapper *wrapper, QObject *parent )
       
    48     : QObject( parent ),
       
    49       mMpxWrapper(wrapper),
       
    50       mScanProgressNote(0),
       
    51       mScanning(false)
       
    52 {
       
    53     TX_ENTRY
       
    54     connect( mMpxWrapper, SIGNAL(scanStarted()), this, SLOT(handleScanStarted()) );
       
    55     connect( mMpxWrapper, SIGNAL(scanEnded( int, int )), this, SLOT(handleScanEnded( int, int )) );
       
    56     connect( mMpxWrapper, SIGNAL(scanCountChanged(int)), this, SLOT(handleScanCountChanged(int)) );
       
    57     TX_EXIT
       
    58 }
       
    59 
       
    60 /*!
       
    61  Destructs the song scanner.
       
    62  */
       
    63 MpSongScanner::~MpSongScanner()
       
    64 {
       
    65     TX_LOG
       
    66 }
       
    67 
       
    68 /*!
       
    69  Initiates song scanning.
       
    70  */
       
    71 void MpSongScanner::scan()
       
    72 {
       
    73     if ( !mScanning ) {
       
    74         mScanning = true;
       
    75         mMpxWrapper->scan();
       
    76     }
       
    77 }
       
    78 
       
    79 /*!
       
    80  Returns true if scanning is ongoing.
       
    81  */
       
    82 bool MpSongScanner::isScanning()
       
    83 {
       
    84     return mScanning;
       
    85 }
       
    86 
       
    87 /*!
       
    88  Cancels ongoing song scanning, if any.
       
    89 
       
    90  \sa scan()
       
    91  */
       
    92 void MpSongScanner::cancelScan()
       
    93 {
       
    94     if ( mScanning ) {
       
    95         mScanning = false;
       
    96         mMpxWrapper->cancelScan();
       
    97     }
       
    98 }
       
    99 
       
   100 /*!
       
   101  Slot called upon notification from MPX Harvesting FW indicating start of
       
   102  scanning process.
       
   103  */
       
   104 void MpSongScanner::handleScanStarted()
       
   105 {
       
   106     if ( !mScanProgressNote ) {
       
   107         mScanProgressNote = new HbProgressDialog( HbProgressDialog::WaitDialog );
       
   108         connect( mScanProgressNote, SIGNAL( cancelled() ), this, SLOT( cancelScan() ) );
       
   109         connect( mScanProgressNote, SIGNAL( aboutToClose() ), this, SLOT( handleProgressNoteClosing() ) );
       
   110     }
       
   111     mScanProgressNote->setModal( true );
       
   112     HbLabel *title = new HbLabel( hbTrId( "txt_mus_title_refreshing" ) );
       
   113     title->setFontSpec(HbFontSpec(HbFontSpec::Primary));
       
   114 
       
   115     mScanProgressNote->setHeadingWidget( title );
       
   116     mScanProgressNote->setText( QString("") );
       
   117     mScanProgressNote->setAttribute( Qt::WA_DeleteOnClose );
       
   118     mScanProgressNote->show();
       
   119 }
       
   120 
       
   121 /*!
       
   122  Slot called upon notification from MPX Harvesting FW indicating end of
       
   123  scanning process.
       
   124  */
       
   125 void MpSongScanner::handleScanEnded( int numItemsAdded, int error )
       
   126 {
       
   127     if (error == KErrDiskFull) {
       
   128 		if ( mScanProgressNote ) {     
       
   129                 mScanProgressNote->cancel();
       
   130         }
       
   131         HbMessageBox *diskFullDialog = new HbMessageBox();
       
   132         diskFullDialog->setIcon( HbIcon( QString("qtg_small_fail") ) );
       
   133         diskFullDialog->setText( hbTrId( "txt_mus_title_refresh_cancelled" ) );
       
   134         diskFullDialog->setTimeout( HbPopup::NoTimeout);
       
   135         diskFullDialog->setAttribute( Qt::WA_DeleteOnClose );
       
   136         diskFullDialog->show();
       
   137         mScanning = false;
       
   138                
       
   139     }
       
   140     else{
       
   141         QString added;
       
   142         HbNotificationDialog *finishedDialog = new HbNotificationDialog();
       
   143         finishedDialog->setModal(true);
       
   144         finishedDialog->setAttribute( Qt::WA_DeleteOnClose );
       
   145     
       
   146         added = hbTrId( "txt_mus_dpopinfo_ln_songs_added", numItemsAdded );
       
   147         finishedDialog->setText( added );
       
   148               
       
   149         if( error < 0) {
       
   150             if ( mScanProgressNote ) {     
       
   151                 mScanProgressNote->cancel();
       
   152             }
       
   153             finishedDialog->setIcon( HbIcon( QString("qtg_small_fail") ) );
       
   154             finishedDialog->setTitle( hbTrId( "txt_mus_dpophead_refresh_cancelled" ) );
       
   155         }
       
   156         else if ( mScanning ) {
       
   157             if ( mScanProgressNote ) {     
       
   158                 mScanProgressNote->cancel();
       
   159             }
       
   160             finishedDialog->setIcon( HbIcon( QString("qtg_large_ok") ) );
       
   161             finishedDialog->setTitle( hbTrId( "txt_mus_dpophead_refresh_complete" ) );
       
   162         }
       
   163         else {
       
   164             finishedDialog->setIcon( HbIcon( QString("qtg_small_fail") ) );
       
   165             finishedDialog->setTitle( hbTrId( "txt_mus_dpophead_refresh_cancelled" ) );
       
   166         }
       
   167         mScanning = false;
       
   168         finishedDialog->show();
       
   169     }
       
   170 }
       
   171 
       
   172 /*!
       
   173  Slot called upon notification from MPX Harvesting FW indicating the number of
       
   174  songs scanned so far.
       
   175  */
       
   176 void MpSongScanner::handleScanCountChanged(int count)
       
   177 {
       
   178     QString added;
       
   179 
       
   180     added = hbTrId( "txt_mus_info_ln_songs_added" , count );
       
   181     if ( mScanProgressNote ) {
       
   182         mScanProgressNote->setText( added );
       
   183     }
       
   184 }
       
   185 
       
   186 /*!
       
   187  Slot to be called when disk event is received from MPX framework.
       
   188  */
       
   189 void MpSongScanner::handleDiskEvent( MpxDiskEvents event )
       
   190 {
       
   191     Q_UNUSED( event );
       
   192     if ( mScanning ) {
       
   193         if ( mScanProgressNote ) {
       
   194             mScanProgressNote->cancel();
       
   195         }
       
   196         mScanning = false;
       
   197         // AK - Should we show a dialog?
       
   198     }
       
   199     TX_EXIT
       
   200 }
       
   201 
       
   202 /*!
       
   203  Slot used to clear mScanProgressNote when dialog is closing.
       
   204  */
       
   205 void MpSongScanner::handleProgressNoteClosing()
       
   206 {
       
   207     mScanProgressNote = 0;
       
   208 }
       
   209