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/*
Copyright (C) 2010 by Jacopo De Simoi <wilderkde@gmail.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, 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "ksolidnotify.h"
#include "knotify.h"
//solid specific includes
#include <Solid/DeviceNotifier>
#include <Solid/Device>
#include <Solid/DeviceInterface>
#include <Solid/StorageDrive>
#include <Solid/StorageVolume>
#include <Solid/StorageAccess>
#include <Solid/OpticalDrive>
#include <Solid/OpticalDisc>
#include <Solid/PortableMediaPlayer>
#include <Solid/Predicate>
#include <QDBusConnection>
#include <QDBusConnectionInterface>
#include <QDBusServiceWatcher>
#include <KLocale>
static const char dbusDeviceNotificationsName[] = "org.kde.DeviceNotifications";
static const char dbusDeviceNotificationsPath[] = "/org/kde/DeviceNotifications";
KSolidNotify::KSolidNotify(KNotify* parent):
QObject(parent),
m_kNotify(parent),
m_dbusServiceExists(false)
{
Solid::Predicate p(Solid::DeviceInterface::StorageAccess);
p |= Solid::Predicate(Solid::DeviceInterface::OpticalDrive);
p |= Solid::Predicate(Solid::DeviceInterface::PortableMediaPlayer);
QList<Solid::Device> devices = Solid::Device::listFromQuery(p);
foreach (const Solid::Device &dev, devices)
{
m_devices.insert(dev.udi(), dev);
connectSignals(&m_devices[dev.udi()]);
}
connect(Solid::DeviceNotifier::instance(), SIGNAL(deviceAdded(const QString &)),
this, SLOT(onDeviceAdded(const QString &)));
connect(Solid::DeviceNotifier::instance(), SIGNAL(deviceRemoved(const QString &)),
this, SLOT(onDeviceRemoved(const QString &)));
// check if service already exists on plugin instantiation
QDBusConnectionInterface* interface = QDBusConnection::sessionBus().interface();
m_dbusServiceExists = interface && interface->isServiceRegistered(dbusDeviceNotificationsName);
if( m_dbusServiceExists )
slotServiceOwnerChanged(dbusDeviceNotificationsName, QString(), "_"); //connect signals
// to catch register/unregister events from service in runtime
QDBusServiceWatcher *watcher = new QDBusServiceWatcher(this);
watcher->setConnection(QDBusConnection::sessionBus());
watcher->setWatchMode(QDBusServiceWatcher::WatchForOwnerChange);
watcher->addWatchedService(dbusDeviceNotificationsName);
connect(watcher, SIGNAL(serviceOwnerChanged(const QString&, const QString&, const QString&)),
SLOT(slotServiceOwnerChanged(const QString&, const QString&, const QString&)));
}
void KSolidNotify::onDeviceAdded(const QString &udi)
{
Solid::Device device(udi);
m_devices.insert(udi, device);
connectSignals(&m_devices[udi]);
}
void KSolidNotify::onDeviceRemoved(const QString &udi)
{
if (m_devices[udi].is<Solid::StorageVolume>())
{
Solid::StorageAccess *access = m_devices[udi].as<Solid::StorageAccess>();
if (access)
disconnect(access, 0, this, 0);
}
m_devices.remove(udi);
}
bool KSolidNotify::isSafelyRemovable(const QString &udi)
{
Solid::Device parent = m_devices[udi].parent();
if (parent.is<Solid::StorageDrive>())
{
Solid::StorageDrive *drive = parent.as<Solid::StorageDrive>();
return (!drive->isInUse() && (drive->isHotpluggable() || drive->isRemovable()));
}
Solid::StorageAccess* access = m_devices[udi].as<Solid::StorageAccess>();
if (access) {
return !m_devices[udi].as<Solid::StorageAccess>()->isAccessible();
} else {
// If this check fails, the device has been already physically
// ejected, so no need to say that it is safe to remove it
return false;
}
}
void KSolidNotify::connectSignals(Solid::Device* device)
{
Solid::StorageAccess *access = device->as<Solid::StorageAccess>();
if (access)
{
connect(access, SIGNAL(teardownDone(Solid::ErrorType, QVariant, const QString &)),
this, SLOT(storageTeardownDone(Solid::ErrorType, QVariant , const QString &)));
connect(access, SIGNAL(setupDone(Solid::ErrorType, QVariant, const QString &)),
this, SLOT(storageSetupDone(Solid::ErrorType, QVariant , const QString &)));
}
if (device->is<Solid::OpticalDisc>())
{
Solid::OpticalDrive *drive = device->parent().as<Solid::OpticalDrive>();
connect(drive, SIGNAL(ejectDone(Solid::ErrorType, QVariant, const QString &)),
this, SLOT(storageEjectDone(Solid::ErrorType, QVariant , const QString &)));
}
}
void KSolidNotify::notifySolidEvent(QString event, Solid::ErrorType error, QVariant errorData, const QString & udi, const QString & errorMessage)
{
ContextList context;
if (m_dbusServiceExists)
{
KNotifyConfig mountConfig("hardwarenotifications", ContextList(), event);
if (mountConfig.readEntry("Action").split('|').contains("Popup"))
{
QDBusMessage m = QDBusMessage::createMethodCall( dbusDeviceNotificationsName, dbusDeviceNotificationsPath, dbusDeviceNotificationsName, "notify" );
m << error << errorMessage << errorData.toString().simplified() << udi;
QDBusConnection::sessionBus().call(m);
}
context << QPair<QString, QString>("devnotifier", "present");
}
m_kNotify->event(event, "hardwarenotifications", context, i18n("Devices notification"), errorMessage, KNotifyImage(), QStringList(), -1);
}
void KSolidNotify::storageSetupDone(Solid::ErrorType error, QVariant errorData, const QString &udi)
{
if (error)
{
Solid::Device device(udi);
QString errorMessage = i18n("Could not mount the following device: %1", device.description());
notifySolidEvent("mounterror", error, errorData, udi, errorMessage);
}
}
void KSolidNotify::storageTeardownDone(Solid::ErrorType error, QVariant errorData, const QString &udi)
{
if (error)
{
Solid::Device device(udi);
QString errorMessage = i18n("Could not unmount the following device: %1\nOne or more files on this device are open within an application ", device.description());
notifySolidEvent("mounterror", error, errorData, udi, errorMessage);
} else if (isSafelyRemovable(udi))
{
Solid::Device device(udi);
notifySolidEvent("safetoremove", error, errorData, udi, i18nc("The term \"remove\" here means \"physically disconnect the device from the computer\", whereas \"safely\" means \"without risk of data loss\"", "The following device can now be safely removed: %1", device.description()));
}
}
void KSolidNotify::storageEjectDone(Solid::ErrorType error, QVariant errorData, const QString &udi)
{
if (error)
{
QString discUdi;
foreach (Solid::Device device, m_devices) {
if (device.parentUdi() == udi) {
discUdi = device.udi();
}
}
if (discUdi.isNull()) {
//This should not happen, bail out
return;
}
Solid::Device discDevice(discUdi);
QString errorMessage = i18n("Could not eject the following device: %1\nOne or more files on this device are open within an application ", discDevice.description());
notifySolidEvent("mounterror", error, errorData, udi, errorMessage);
} else if (isSafelyRemovable(udi))
{
Solid::Device device(udi);
notifySolidEvent("safetoremove", error, errorData, udi, i18n("The following device can now be safely removed: %1", device.description()));
}
}
void KSolidNotify::slotServiceOwnerChanged( const QString & serviceName, const QString & oldOwner, const QString & newOwner )
{
Q_UNUSED(serviceName);
if (newOwner.isEmpty())
m_dbusServiceExists = false;
else if (oldOwner.isEmpty())
m_dbusServiceExists = true;
}
#include "ksolidnotify.moc"
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