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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Music Player collection song scanner. |
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15 * |
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16 */ |
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17 |
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18 #include <hbprogressnote.h> |
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19 |
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20 #include "mpcollectionsongscanner.h" |
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21 #include "mpmpxframeworkwrapper.h" |
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22 #include "mptrace.h" |
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23 |
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24 /*! |
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25 \class MpCollectionSongScanner |
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26 \brief Music Player collection song scanner. |
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27 |
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28 Song scanner interfaces with MPX Harvesting Framework to harvest |
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29 music files in the device. |
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30 */ |
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31 |
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32 /*! |
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33 \fn void scanEnd() |
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34 |
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35 This signal is emitted when scanning is ended. |
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36 |
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37 \sa scan() |
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38 */ |
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39 |
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40 /*! |
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41 Constructs the collection song scanner. |
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42 */ |
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43 MpCollectionSongScanner::MpCollectionSongScanner( MpMpxFrameworkWrapper *wrapper, QObject *parent ) |
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44 : QObject(parent), |
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45 mMpxWrapper(wrapper), |
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46 mScanning(false), |
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47 mScanProgressNote(0) |
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48 { |
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49 TX_ENTRY |
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50 connect( mMpxWrapper, SIGNAL(scanStarted()), this, SLOT(handleScanStarted()) ); |
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51 connect( mMpxWrapper, SIGNAL(scanEnded()), this, SLOT(handleScanEnded()) ); |
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52 connect( mMpxWrapper, SIGNAL(scanCountChanged(int)), this, SLOT(handleScanCountChanged(int)) ); |
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53 TX_EXIT |
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54 } |
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55 |
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56 /*! |
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57 Destructs the collection song scanner. |
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58 */ |
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59 MpCollectionSongScanner::~MpCollectionSongScanner() |
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60 { |
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61 TX_ENTRY |
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62 if ( mScanProgressNote ) { |
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63 delete mScanProgressNote; |
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64 } |
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65 TX_EXIT |
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66 } |
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67 |
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68 /*! |
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69 Initiates song scanning. |
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70 */ |
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71 void MpCollectionSongScanner::scan() |
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72 { |
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73 mScanning = true; |
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74 mMpxWrapper->scan(); |
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75 } |
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76 |
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77 /*! |
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78 Returns true if scanning is ongoing. |
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79 */ |
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80 bool MpCollectionSongScanner::isScanning() |
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81 { |
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82 return mScanning; |
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83 } |
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84 |
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85 /*! |
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86 Cancels ongoing song scanning, if any. |
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87 |
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88 \sa scan() |
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89 */ |
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90 void MpCollectionSongScanner::cancelScan() |
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91 { |
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92 if ( mScanning ) { |
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93 mScanning = false; |
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94 mMpxWrapper->cancelScan(); |
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95 } |
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96 } |
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97 |
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98 /*! |
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99 Slot called upon notification from MPX Harvesting FW indicating start of |
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100 scanning process. |
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101 */ |
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102 void MpCollectionSongScanner::handleScanStarted() |
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103 { |
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104 if ( !mScanProgressNote ) { |
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105 mScanProgressNote = new HbProgressNote(HbProgressNote::WaitNote); |
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106 connect(mScanProgressNote, SIGNAL(cancelled()), this, SLOT(cancelScan())); |
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107 } |
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108 mScanProgressNote->setText( QString("Scanning...") ); |
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109 mScanProgressNote->show(); |
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110 } |
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111 |
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112 /*! |
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113 Slot called upon notification from MPX Harvesting FW indicating end of |
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114 scanning process. |
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115 */ |
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116 void MpCollectionSongScanner::handleScanEnded() |
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117 { |
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118 if ( mScanning ) { |
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119 mScanning = false; |
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120 mScanProgressNote->cancel(); |
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121 } |
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122 emit scanEnded(); |
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123 } |
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124 |
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125 /*! |
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126 Slot called upon notification from MPX Harvesting FW indicating the number of |
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127 songs scanned so far. |
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128 */ |
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129 void MpCollectionSongScanner::handleScanCountChanged(int count) |
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130 { |
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131 QString added; |
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132 added.setNum(count); |
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133 added.append(" file(s) added."); |
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134 mScanProgressNote->setText(added); |
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135 } |
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136 |