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