src/mediadevicemanager.cpp

   1 //
   2 // C++ Implementation: mediadevicemanager
   3 //
   4 // Description: Controls device/medium object handling, providing
   5 //              helper functions for other objects
   6 //
   7 //
   8 // Author: Jeff Mitchell <kde-dev@emailgoeshere.com>, (C) 2006
   9 //
  10 // Copyright: See COPYING file that comes with this distribution
  11 //
  12 //
  13
  14 #include "mediadevicemanager.h"
  15
  16 #include "amarok.h"
  17 #include "amarokconfig.h"
  18 #include "debug.h"
  19 #include "devicemanager.h"
  20 #include "medium.h"
  21
  22 #include <KApplication>
  23
  24 #include <q3ptrlist.h>
  25 #include <QTimer>
  26
  27 typedef Medium::List MediumList;
  28
  29 MediaDeviceManager* MediaDeviceManager::instance()
  30 {
  31     static MediaDeviceManager dw;
  32     return &dw;
  33 }
  34
  35 MediaDeviceManager::MediaDeviceManager()
  36 {
  37     DEBUG_BLOCK
  38     connect( DeviceManager::instance(), SIGNAL( mediumAdded( const Medium*, QString ) ), SLOT( slotMediumAdded( const Medium*, QString ) ) );
  39     connect( DeviceManager::instance(), SIGNAL( mediumChanged( const Medium*, QString ) ), SLOT( slotMediumChanged( const Medium*, QString ) ) );
  40     connect( DeviceManager::instance(), SIGNAL( mediumRemoved( const Medium*, QString ) ), SLOT( slotMediumRemoved( const Medium*, QString ) ) );
  41     Medium::List mediums = DeviceManager::instance()->getDeviceList();
  42     oldForeachType( Medium::List, mediums )
  43     {
  44         slotMediumAdded( &(*it), (*it).id() );
  45     }
  46     if( !mediums.count() )
  47     {
  48         debug() << "DeviceManager didn't return any devices, we are probably running on a non-KDE system. Trying to reinit media devices later";
  49         QTimer::singleShot( 4000, this, SLOT( reinitDevices() ) );
  50     }
  51     //load manual devices
  52     QStringList manualDevices;
  53     KConfigGroup config = Amarok::config( "MediaBrowser" );
  54     QMap<QString,QString> savedDevices = config.entryMap();
  55     QMap<QString,QString>::Iterator qit;
  56     QString curr, currMountPoint, currName;
  57     for( qit = savedDevices.begin(); qit != savedDevices.end(); ++qit )
  58     {
  59         //only handle manual devices, autodetected devices should be added on the fly
  60         if( qit.key().startsWith( "manual|" ) )
  61         {
  62             curr = qit.key();
  63             curr = curr.remove( "manual|" );
  64             currName = curr.left( curr.indexOf( '|' ) );
  65             currMountPoint = curr.remove( currName + '|' );
  66             manualDevices.append( "false" );           //autodetected
  67             manualDevices.append( qit.key() );          //id
  68             manualDevices.append( currName );          //name
  69             manualDevices.append( currName );          //label
  70             manualDevices.append( QString() );     //userLabel
  71             manualDevices.append( "unknown" );         //mountable?
  72             manualDevices.append( QString() );     //device node
  73             manualDevices.append( currMountPoint );    //mountPoint
  74             manualDevices.append( "manual" );          //fsType
  75             manualDevices.append( "unknown" );         //mounted
  76             manualDevices.append( QString() );     //baseURL
  77             manualDevices.append( QString() );     //MIMEtype
  78             manualDevices.append( QString() );     //iconName
  79             manualDevices.append( "---" );             //separator
  80         }
  81     }
  82     Medium::List manualMediums = Medium::createList( manualDevices );
  83     oldForeachType( Medium::List, manualMediums )
  84     {
  85         slotMediumAdded( &(*it), (*it).id() );
  86     }
  87 }
  88
  89 MediaDeviceManager::~MediaDeviceManager()
  90 {
  91 }
  92
  93 void
  94 MediaDeviceManager::addManualDevice( Medium* added )
  95 {
  96     m_mediumMap[added->name()] = added;
  97     added->setFsType( "manual" );
  98     emit mediumAdded( added, added->name() );
  99 }
 100
 101 void
 102 MediaDeviceManager::removeManualDevice( Medium* removed )
 103 {
 104     emit mediumRemoved( removed, removed->name() );
 105     if( m_mediumMap.contains( removed->name() ) )
 106         m_mediumMap.remove( removed->name() );
 107 }
 108
 109 void MediaDeviceManager::slotMediumAdded( const Medium *m, QString id)
 110 {
 111     DEBUG_BLOCK
 112     if ( m )
 113     {
 114         if ( m->fsType() == "manual" ||
 115                 ( !m->deviceNode().startsWith( "/dev/hd" ) &&
 116                   (m->fsType() == "vfat" || m->fsType() == "hfsplus" || m->fsType() == "msdosfs" ) ) )
 117             // add other fsTypes that should be auto-detected here later
 118         {
 119             if ( m_mediumMap.contains( m->name() ) )
 120             {
 121                 Medium *tempMedium = m_mediumMap[m->name()];
 122                 m_mediumMap.remove( m->name() );
 123                 delete tempMedium;
 124             }
 125             m_mediumMap[m->name()] = new Medium( m );
 126             emit mediumAdded( m, id );
 127         }
 128     }
 129 }
 130
 131 void MediaDeviceManager::slotMediumChanged( const Medium *m, QString id )
 132 {
 133     //nothing to do here
 134     emit mediumChanged( m, id);
 135 }
 136
 137 void MediaDeviceManager::slotMediumRemoved( const Medium* , QString id )
 138 {
 139     DEBUG_BLOCK
 140     Medium* removedMedium = 0;
 141     if ( m_mediumMap.contains(id) )
 142         removedMedium = m_mediumMap[id];
 143     if ( removedMedium )
 144         debug() << "[MediaDeviceManager::slotMediumRemoved] Obtained medium name is " << id << ", id is: " << removedMedium->id();
 145     else
 146         debug() << "[MediaDeviceManager::slotMediumRemoved] Medium was unknown and is null; name was " << id;
 147     //if you get a null pointer from this signal, it means we did not know about the device
 148     //before it was removed, i.e. the removal was the first event for the device received while amarok
 149     //has been running
 150     //There is no point in calling getDevice, since it will not be in the list anyways
 151     emit mediumRemoved( removedMedium, id );
 152     if ( m_mediumMap.contains(id) )
 153         m_mediumMap.remove(id);
 154     delete removedMedium;
 155 }
 156
 157 Medium* MediaDeviceManager::getDevice( QString name )
 158 {
 159     return DeviceManager::instance()->getDevice( name );
 160 }
 161
 162 void MediaDeviceManager::reinitDevices( )
 163 {
 164     Medium::List mediums = DeviceManager::instance()->getDeviceList();
 165     oldForeachType( Medium::List, mediums )
 166     {
 167         slotMediumAdded( &(*it), (*it).id() );
 168     }
 169 }
 170
 171 #include "mediadevicemanager.moc"