Files
cantata/devices/mediadevicecache.cpp
2012-01-19 19:30:25 +00:00

454 lines
16 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2012 Craig Drummond <craig.p.drummond@gmail.com>
*
*/
/****************************************************************************************
* Copyright (c) 2007 Jeff Mitchell <kde-dev@emailgoeshere.com> *
* *
* This program is free software; you can redistribute it and/or modify it under *
* the terms of the GNU General Public License as published by the Free Software *
* Foundation; either version 2 of the License, or (at your option) any later *
* version. *
* *
* This program is distributed in the hope that it will be useful, but WITHOUT ANY *
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A *
* PARTICULAR PURPOSE. See the GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License along with *
* this program. If not, see <http://www.gnu.org/licenses/>. *
****************************************************************************************/
#include "mediadevicecache.h"
#include <KDE/KConfigGroup>
#include <KDE/KGlobal>
#include <KDE/KConfig>
#include <solid/device.h>
#include <solid/deviceinterface.h>
#include <solid/devicenotifier.h>
#include <solid/genericinterface.h>
#include <solid/opticaldisc.h>
#include <solid/portablemediaplayer.h>
#include <solid/storageaccess.h>
#include <solid/storagedrive.h>
#include <solid/block.h>
#include <solid/storagevolume.h>
#include <kdeversion.h>
#include <kmountpoint.h>
#include <QtCore/QDir>
#include <QtCore/QFile>
#include <QtCore/QList>
#define DEBUG_BLOCK
#include <QtCore/QDebug>
#define debug qDebug
MediaDeviceCache* MediaDeviceCache::s_instance = 0;
MediaDeviceCache::MediaDeviceCache() : QObject()
, m_type()
, m_name()
, m_volumes()
{
DEBUG_BLOCK
s_instance = this;
connect( Solid::DeviceNotifier::instance(), SIGNAL( deviceAdded( const QString & ) ),
this, SLOT( slotAddSolidDevice( const QString & ) ) );
connect( Solid::DeviceNotifier::instance(), SIGNAL( deviceRemoved( const QString & ) ),
this, SLOT( slotRemoveSolidDevice( const QString & ) ) );
// connect(&m_timer, SIGNAL(timeout()), this, SLOT(slotTimeout()));
// m_timer.setSingleShot(true);
// m_timer.start(1000);
}
MediaDeviceCache::~MediaDeviceCache()
{
s_instance = 0;
}
void
MediaDeviceCache::refreshCache()
{
DEBUG_BLOCK
m_type.clear();
m_name.clear();
QList<Solid::Device> deviceList = Solid::Device::listFromType( Solid::DeviceInterface::PortableMediaPlayer );
foreach( const Solid::Device &device, deviceList )
{
if( device.as<Solid::StorageDrive>() )
{
debug() << "Found Solid PMP that is also a StorageDrive, skipping";
continue;
}
debug() << "Found Solid::DeviceInterface::PortableMediaPlayer with udi = " << device.udi();
debug() << "Device name is = " << device.product() << " and was made by " << device.vendor();
m_type[device.udi()] = MediaDeviceCache::SolidPMPType;
m_name[device.udi()] = device.vendor() + " - " + device.product();
}
deviceList = Solid::Device::listFromType( Solid::DeviceInterface::StorageAccess );
foreach( const Solid::Device &device, deviceList )
{
debug() << "Found Solid::DeviceInterface::StorageAccess with udi = " << device.udi();
debug() << "Device name is = " << device.product() << " and was made by " << device.vendor();
const Solid::StorageAccess* ssa = device.as<Solid::StorageAccess>();
if( ssa )
{
if( !device.parent().as<Solid::StorageDrive>() || Solid::StorageDrive::Usb!=device.parent().as<Solid::StorageDrive>()->bus() )
{
debug() << "Found Solid::DeviceInterface::StorageAccess that is not usb, skipping";
continue;
}
if( !m_volumes.contains( device.udi() ) )
{
connect( ssa, SIGNAL( accessibilityChanged(bool, const QString&) ),
this, SLOT( slotAccessibilityChanged(bool, const QString&) ) );
m_volumes.append( device.udi() );
}
if( ssa->isAccessible() )
{
m_type[device.udi()] = MediaDeviceCache::SolidVolumeType;
m_name[device.udi()] = ssa->filePath();
m_accessibility[ device.udi() ] = true;
}
else
{
m_accessibility[ device.udi() ] = false;
debug() << "Solid device is not accessible, will wait until it is to consider it added.";
}
}
}
// deviceList = Solid::Device::listFromType( Solid::DeviceInterface::StorageDrive );
// foreach( const Solid::Device &device, deviceList )
// {
// debug() << "Found Solid::DeviceInterface::StorageDrive with udi = " << device.udi();
// debug() << "Device name is = " << device.product() << " and was made by " << device.vendor();
//
// if( device.as<Solid::StorageDrive>() )
// {
// m_type[device.udi()] = MediaDeviceCache::SolidGenericType;
// m_name[device.udi()] = device.vendor() + " - " + device.product();
// }
// }
// deviceList = Solid::Device::listFromType( Solid::DeviceInterface::OpticalDisc );
// foreach( const Solid::Device &device, deviceList )
// {
// debug() << "Found Solid::DeviceInterface::OpticalDisc with udi = " << device.udi();
// debug() << "Device name is = " << device.product() << " and was made by " << device.vendor();
//
// const Solid::OpticalDisc * opt = device.as<Solid::OpticalDisc>();
//
// if ( opt && opt->availableContent() & Solid::OpticalDisc::Audio )
// {
// debug() << "device is an Audio CD";
// m_type[device.udi()] = MediaDeviceCache::SolidAudioCdType;
// m_name[device.udi()] = device.vendor() + " - " + device.product();
// }
// }
// deviceList = Solid::Device::allDevices();
// foreach( const Solid::Device &device, deviceList )
// {
// if( const Solid::GenericInterface *generic = device.as<Solid::GenericInterface>() )
// {
// if( m_type.contains( device.udi() ) )
// continue;
//
// const QMap<QString, QVariant> properties = generic->allProperties();
// if( !properties.contains("info.capabilities") )
// continue;
//
// const QStringList capabilities = properties["info.capabilities"].toStringList();
// if( !capabilities.contains("afc") )
// continue;
//
// debug() << "Found AFC capable Solid::DeviceInterface::GenericInterface with udi = " << device.udi();
// debug() << "Device name is = " << device.product() << " and was made by " << device.vendor();
//
// m_type[device.udi()] = MediaDeviceCache::SolidGenericType;
// m_name[device.udi()] = device.vendor() + " - " + device.product();
// }
// }
// KConfigGroup config(KGlobal::config(), "PortableDevices" );
// const QStringList manualDeviceKeys = config.entryMap().keys();
// foreach( const QString &udi, manualDeviceKeys )
// {
// if( udi.startsWith( "manual" ) )
// {
// debug() << "Found manual device with udi = " << udi;
// m_type[udi] = MediaDeviceCache::ManualType;
// m_name[udi] = udi.split( '|' )[1];
// }
// }
}
void
MediaDeviceCache::slotAddSolidDevice( const QString &udi )
{
DEBUG_BLOCK
Solid::Device device( udi );
debug() << "Found new Solid device with udi = " << device.udi();
debug() << "Device name is = " << device.product() << " and was made by " << device.vendor();
Solid::StorageAccess *ssa = device.as<Solid::StorageAccess>();
Solid::OpticalDisc * opt = device.as<Solid::OpticalDisc>();
if ( opt && opt->availableContent() & Solid::OpticalDisc::Audio )
{
debug() << "device is an Audio CD";
m_type[udi] = MediaDeviceCache::SolidAudioCdType;
m_name[udi] = device.vendor() + " - " + device.product();
}
else if( ssa )
{
debug() << "volume is generic storage";
if( !m_volumes.contains( device.udi() ) )
{
connect( ssa, SIGNAL( accessibilityChanged(bool, const QString&) ),
this, SLOT( slotAccessibilityChanged(bool, const QString&) ) );
m_volumes.append( device.udi() );
}
if( ssa->isAccessible() )
{
m_type[udi] = MediaDeviceCache::SolidVolumeType;
m_name[udi] = ssa->filePath();
}
else
{
debug() << "storage volume is not accessible right now, not adding.";
return;
}
}
else if( device.is<Solid::StorageDrive>() )
{
debug() << "device is a Storage drive, still need a volume";
m_type[udi] = MediaDeviceCache::SolidGenericType;
m_name[udi] = device.vendor() + " - " + device.product();
}
else if( device.is<Solid::PortableMediaPlayer>() )
{
debug() << "device is a PMP";
m_type[udi] = MediaDeviceCache::SolidPMPType;
m_name[udi] = device.vendor() + " - " + device.product();
}
else if( const Solid::GenericInterface *generic = device.as<Solid::GenericInterface>() )
{
const QMap<QString, QVariant> properties = generic->allProperties();
/* At least iPod touch 3G and iPhone 3G do not advertise AFC (Apple File
* Connection) capabilities. Therefore we have to white-list them so that they are
* still recognised ad iPods
*
* @see IpodConnectionAssistant::identify() for a quirk that is currently also
* needed for proper identification of iPhone-like devices.
*/
if ( !device.product().contains("iPod") && !device.product().contains("iPhone"))
{
if( !properties.contains("info.capabilities") )
{
debug() << "udi " << udi << " does not describe a portable media player or storage volume";
return;
}
const QStringList capabilities = properties["info.capabilities"].toStringList();
if( !capabilities.contains("afc") )
{
debug() << "udi " << udi << " does not describe a portable media player or storage volume";
return;
}
}
debug() << "udi" << udi << "is AFC cabable (Apple mobile device)";
m_type[udi] = MediaDeviceCache::SolidGenericType;
m_name[udi] = device.vendor() + " - " + device.product();
}
else
{
debug() << "udi " << udi << " does not describe a portable media player or storage volume";
return;
}
emit deviceAdded( udi );
}
void
MediaDeviceCache::slotRemoveSolidDevice( const QString &udi )
{
DEBUG_BLOCK
debug() << "udi is: " << udi;
Solid::Device device( udi );
if( m_volumes.contains( udi ) )
{
disconnect( device.as<Solid::StorageAccess>(), SIGNAL( accessibilityChanged(bool, const QString&) ),
this, SLOT( slotAccessibilityChanged(bool, const QString&) ) );
m_volumes.removeAll( udi );
emit deviceRemoved( udi );
}
if( m_type.contains( udi ) )
{
m_type.remove( udi );
m_name.remove( udi );
emit deviceRemoved( udi );
return;
}
debug() << "Odd, got a deviceRemoved at udi " << udi << " but it did not seem to exist in the first place...";
emit deviceRemoved( udi );
}
// void MediaDeviceCache::slotTimeout()
// {
// KMountPoint::List possibleMountList = KMountPoint::possibleMountPoints();
// KMountPoint::List currentMountList = KMountPoint::currentMountPoints();
// QList<Solid::Device> deviceList = Solid::Device::listFromType( Solid::DeviceInterface::StorageAccess );
//
// for (KMountPoint::List::iterator it = possibleMountList.begin(); it != possibleMountList.end(); ++it) {
// if ((*it)->mountType() == "nfs" || (*it)->mountType() == "nfs4" ||
// (*it)->mountType() == "smb" || (*it)->mountType() == "cifs") {
// QString path = (*it)->mountPoint();
// bool mounted = false;
// QString udi = QString();
//
// foreach( const Solid::Device &device, deviceList )
// {
// const Solid::StorageAccess* ssa = device.as<Solid::StorageAccess>();
// if( ssa && path == ssa->filePath())
// udi = device.udi();
// }
//
// for (KMountPoint::List::iterator it2 = currentMountList.begin(); it2 != currentMountList.end(); ++it2) {
// if ( (*it)->mountType() == (*it2)->mountType() &&
// (*it)->mountPoint() == (*it2)->mountPoint() ) {
// mounted = true;
// break;
// }
// }
//
// if ( m_accessibility[udi] != mounted ) {
// m_accessibility[udi] = mounted;
// slotAccessibilityChanged( mounted, udi);
// }
// }
// }
//
// m_timer.setSingleShot(true);
// m_timer.start(1000);
// }
void
MediaDeviceCache::slotAccessibilityChanged( bool accessible, const QString &udi )
{
debug() << "accessibility of device " << udi << " has changed to accessible = " << (accessible ? "true":"false");
if( accessible )
{
Solid::Device device( udi );
m_type[udi] = MediaDeviceCache::SolidVolumeType;
Solid::StorageAccess *ssa = device.as<Solid::StorageAccess>();
if( ssa )
m_name[udi] = ssa->filePath();
emit deviceAdded( udi );
return;
}
else
{
if( m_type.contains( udi ) )
{
m_type.remove( udi );
m_name.remove( udi );
emit deviceRemoved( udi );
return;
}
debug() << "Got accessibility changed to false but was not there in the first place...";
}
emit accessibilityChanged( accessible, udi );
}
MediaDeviceCache::DeviceType
MediaDeviceCache::deviceType( const QString &udi ) const
{
if( m_type.contains( udi ) )
{
return m_type[udi];
}
return MediaDeviceCache::InvalidType;
}
const QString
MediaDeviceCache::deviceName( const QString &udi ) const
{
if( m_name.contains( udi ) )
{
return m_name[udi];
}
return "ERR_NO_NAME"; //Should never happen!
}
const QString
MediaDeviceCache::device( const QString &udi ) const
{
DEBUG_BLOCK
Solid::Device device( udi );
Solid::Device parent( device.parent() );
if( !parent.isValid() )
{
debug() << udi << "has no parent, returning null string.";
return QString();
}
Solid::Block* sb = parent.as<Solid::Block>();
if( !sb )
{
debug() << parent.udi() << "failed to convert to Block, returning null string.";
return QString();
}
return sb->device();
}
bool
MediaDeviceCache::isGenericEnabled( const QString &udi ) const
{
DEBUG_BLOCK
if( m_type[udi] != MediaDeviceCache::SolidVolumeType )
{
debug() << "Not SolidVolumeType, returning false";
return false;
}
Solid::Device device( udi );
Solid::StorageAccess* ssa = device.as<Solid::StorageAccess>();
if( !ssa || !ssa->isAccessible() )
{
debug() << "Not able to convert to StorageAccess or not accessible, returning false";
return false;
}
if( device.parent().as<Solid::PortableMediaPlayer>() )
{
debug() << "Could convert parent to PortableMediaPlayer, returning true";
return true;
}
if( QFile::exists( ssa->filePath() + QDir::separator() + ".is_audio_player" ) )
{
return true;
}
return false;
}
const QString
MediaDeviceCache::volumeMountPoint( const QString &udi ) const
{
DEBUG_BLOCK
Solid::Device device( udi );
Solid::StorageAccess* ssa = device.as<Solid::StorageAccess>();
if( !ssa || !ssa->isAccessible() )
{
debug() << "Not able to convert to StorageAccess or not accessible, returning empty";
return QString();
}
return ssa->filePath();
}