286 lines
8.7 KiB
C++
286 lines
8.7 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Clementine is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "devicekitlister.h"
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#include "filesystemdevice.h"
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#include "core/logging.h"
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#include "core/utilities.h"
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#include "dbus/udisks.h"
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#include "dbus/udisksdevice.h"
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#ifdef HAVE_LIBGPOD
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#include "gpoddevice.h"
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#endif
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#include <sys/statvfs.h>
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#include <QtDebug>
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DeviceKitLister::DeviceKitLister() {}
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DeviceKitLister::~DeviceKitLister() { qLog(Debug) << __PRETTY_FUNCTION__; }
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QString DeviceKitLister::DeviceData::unique_id() const {
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return QString("DeviceKit/%1/%2/%3/%4")
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.arg(drive_serial, drive_vendor, drive_model)
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.arg(device_size);
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}
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void DeviceKitLister::Init() {
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interface_.reset(new OrgFreedesktopUDisksInterface(
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OrgFreedesktopUDisksInterface::staticInterfaceName(),
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"/org/freedesktop/UDisks", QDBusConnection::systemBus()));
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// Get all the devices currently attached
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QDBusPendingReply<QList<QDBusObjectPath> > reply =
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interface_->EnumerateDevices();
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reply.waitForFinished();
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if (!reply.isValid()) {
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qLog(Warning) << "Error enumerating DeviceKit-disks devices:"
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<< reply.error().name() << reply.error().message();
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interface_.reset();
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return;
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}
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// Listen for changes
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connect(interface_.get(), SIGNAL(DeviceAdded(QDBusObjectPath)),
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SLOT(DBusDeviceAdded(QDBusObjectPath)));
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connect(interface_.get(), SIGNAL(DeviceRemoved(QDBusObjectPath)),
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SLOT(DBusDeviceRemoved(QDBusObjectPath)));
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connect(interface_.get(), SIGNAL(DeviceChanged(QDBusObjectPath)),
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SLOT(DBusDeviceChanged(QDBusObjectPath)));
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// Get information about each one
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QMap<QString, DeviceData> device_data;
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for (const QDBusObjectPath& path : reply.value()) {
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DeviceData data = ReadDeviceData(path);
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if (data.suitable) device_data[data.unique_id()] = data;
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}
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// Update the internal cache
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{
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QMutexLocker l(&mutex_);
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device_data_ = device_data;
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}
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// Notify about the changes
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for (const QString& id : device_data.keys()) {
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emit DeviceAdded(id);
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}
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}
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QStringList DeviceKitLister::DeviceUniqueIDs() {
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QMutexLocker l(&mutex_);
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return device_data_.keys();
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}
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QVariantList DeviceKitLister::DeviceIcons(const QString& id) {
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QString path = LockAndGetDeviceInfo(id, &DeviceData::device_mount_paths)[0];
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return QVariantList() << GuessIconForPath(path)
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<< GuessIconForModel(DeviceManufacturer(id),
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DeviceModel(id))
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<< LockAndGetDeviceInfo(
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id, &DeviceData::device_presentation_icon_name);
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}
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QString DeviceKitLister::DeviceManufacturer(const QString& id) {
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return LockAndGetDeviceInfo(id, &DeviceData::drive_vendor);
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}
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QString DeviceKitLister::DeviceModel(const QString& id) {
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return LockAndGetDeviceInfo(id, &DeviceData::drive_model);
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}
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quint64 DeviceKitLister::DeviceCapacity(const QString& id) {
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return LockAndGetDeviceInfo(id, &DeviceData::device_size);
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}
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quint64 DeviceKitLister::DeviceFreeSpace(const QString& id) {
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return LockAndGetDeviceInfo(id, &DeviceData::free_space);
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}
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QVariantMap DeviceKitLister::DeviceHardwareInfo(const QString& id) {
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QVariantMap ret;
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QMutexLocker l(&mutex_);
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if (!device_data_.contains(id)) return ret;
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const DeviceData& data = device_data_[id];
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ret[QT_TR_NOOP("DBus path")] = data.dbus_path;
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ret[QT_TR_NOOP("Serial number")] = data.drive_serial;
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ret[QT_TR_NOOP("Mount points")] = data.device_mount_paths.join(", ");
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ret[QT_TR_NOOP("Device")] = data.device_file;
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return ret;
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}
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QString DeviceKitLister::MakeFriendlyName(const QString& id) {
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QMutexLocker l(&mutex_);
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if (!device_data_.contains(id)) return QString();
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const DeviceData& data = device_data_[id];
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if (!data.device_presentation_name.isEmpty())
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return data.device_presentation_name;
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if (!data.drive_model.isEmpty() && !data.drive_vendor.isEmpty())
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return data.drive_vendor + " " + data.drive_model;
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if (!data.drive_model.isEmpty()) return data.drive_model;
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return data.drive_serial;
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}
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DeviceKitLister::DeviceData DeviceKitLister::ReadDeviceData(
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const QDBusObjectPath& path) const {
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DeviceData ret;
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OrgFreedesktopUDisksDeviceInterface device(
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OrgFreedesktopUDisksInterface::staticInterfaceName(), path.path(),
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QDBusConnection::systemBus());
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if (!device.isValid()) {
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qLog(Warning) << "Error connecting to the device interface on"
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<< path.path();
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return ret;
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}
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// Don't do anything with internal drives, hidden drives, or partition tables
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if (device.deviceIsSystemInternal() || device.devicePresentationHide() ||
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device.deviceMountPaths().isEmpty() || device.deviceIsPartitionTable()) {
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return ret;
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}
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ret.suitable = true;
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ret.dbus_path = path.path();
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ret.drive_serial = device.driveSerial();
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ret.drive_model = device.driveModel();
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ret.drive_vendor = device.driveVendor();
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ret.device_file = device.deviceFile();
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ret.device_presentation_name = device.devicePresentationName();
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ret.device_presentation_icon_name = device.devicePresentationIconName();
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ret.device_size = device.deviceSize();
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ret.device_mount_paths = device.deviceMountPaths();
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// Get free space info
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if (!ret.device_mount_paths.isEmpty())
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ret.free_space = Utilities::FileSystemFreeSpace(ret.device_mount_paths[0]);
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return ret;
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}
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void DeviceKitLister::DBusDeviceAdded(const QDBusObjectPath& path) {
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DeviceData data = ReadDeviceData(path);
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if (!data.suitable) return;
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{
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QMutexLocker l(&mutex_);
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device_data_[data.unique_id()] = data;
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}
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emit DeviceAdded(data.unique_id());
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}
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void DeviceKitLister::DBusDeviceRemoved(const QDBusObjectPath& path) {
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QString id;
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{
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QMutexLocker l(&mutex_);
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id = FindUniqueIdByPath(path);
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if (id.isNull()) return;
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device_data_.remove(id);
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}
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emit DeviceRemoved(id);
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}
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void DeviceKitLister::DBusDeviceChanged(const QDBusObjectPath& path) {
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bool already_known = false;
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{
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QMutexLocker l(&mutex_);
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already_known = !FindUniqueIdByPath(path).isNull();
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}
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DeviceData data = ReadDeviceData(path);
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if (already_known && !data.suitable)
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DBusDeviceRemoved(path);
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else if (!already_known && data.suitable)
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DBusDeviceAdded(path);
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else if (already_known && data.suitable) {
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{
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QMutexLocker l(&mutex_);
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device_data_[data.unique_id()] = data;
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}
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emit DeviceChanged(data.unique_id());
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}
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}
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QString DeviceKitLister::FindUniqueIdByPath(const QDBusObjectPath& path) const {
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for (const DeviceData& data : device_data_) {
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if (data.dbus_path == path.path()) return data.unique_id();
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}
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return QString();
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}
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QList<QUrl> DeviceKitLister::MakeDeviceUrls(const QString& id) {
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QString mount_point =
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LockAndGetDeviceInfo(id, &DeviceData::device_mount_paths)[0];
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return QList<QUrl>() << MakeUrlFromLocalPath(mount_point);
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}
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void DeviceKitLister::UnmountDevice(const QString& id) {
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QString path = LockAndGetDeviceInfo(id, &DeviceData::dbus_path);
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OrgFreedesktopUDisksDeviceInterface device(
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OrgFreedesktopUDisksInterface::staticInterfaceName(), path,
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QDBusConnection::systemBus());
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if (!device.isValid()) {
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qLog(Warning) << "Error connecting to the device interface on" << path;
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return;
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}
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// Get the device's parent drive
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QString drive_path = device.partitionSlave().path();
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OrgFreedesktopUDisksDeviceInterface drive(
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OrgFreedesktopUDisksInterface::staticInterfaceName(), drive_path,
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QDBusConnection::systemBus());
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if (!drive.isValid()) {
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qLog(Warning) << "Error connecting to the drive interface on" << drive_path;
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return;
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}
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// Unmount the filesystem
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QDBusPendingReply<> reply = device.FilesystemUnmount(QStringList());
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reply.waitForFinished();
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// Eject the drive
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drive.DriveEject(QStringList());
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// Don't bother waiting for the eject to finish
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}
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void DeviceKitLister::UpdateDeviceFreeSpace(const QString& id) {
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{
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QMutexLocker l(&mutex_);
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if (!device_data_.contains(id)) return;
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DeviceData& data = device_data_[id];
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if (!data.device_mount_paths.isEmpty())
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data.free_space =
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Utilities::FileSystemFreeSpace(data.device_mount_paths[0]);
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}
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emit DeviceChanged(id);
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}
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