strawberry-audio-player-win.../src/device/filesystemdevice.cpp

119 lines
4.2 KiB
C++

/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
* Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
*
* Strawberry 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 3 of the License, or
* (at your option) any later version.
*
* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <cassert>
#include <QThread>
#include <QString>
#include <QUrl>
#include <QtDebug>
#include "core/application.h"
#include "core/logging.h"
#include "core/song.h"
#include "collection/collectionbackend.h"
#include "collection/collectionmodel.h"
#include "collection/collectionwatcher.h"
#include "connecteddevice.h"
#include "devicemanager.h"
#include "filesystemdevice.h"
class DeviceLister;
FilesystemDevice::FilesystemDevice(const QUrl &url, DeviceLister *lister, const QString &unique_id, DeviceManager *manager, Application *app, const int database_id, const bool first_time, QObject *parent)
: FilesystemMusicStorage(url.toLocalFile()),
ConnectedDevice(url, lister, unique_id, manager, app, database_id, first_time, parent),
watcher_(new CollectionWatcher(Song::Source_Device)),
watcher_thread_(new QThread(this)) {
watcher_->moveToThread(watcher_thread_);
watcher_thread_->start(QThread::IdlePriority);
qLog(Debug) << watcher_ << "for device" << unique_id << "moved to thread" << watcher_thread_;
watcher_->set_device_name(manager->DeviceNameByID(unique_id));
watcher_->set_backend(backend_);
watcher_->set_task_manager(app_->task_manager());
QObject::connect(backend_, &CollectionBackend::DirectoryDiscovered, watcher_, &CollectionWatcher::AddDirectory);
QObject::connect(backend_, &CollectionBackend::DirectoryDeleted, watcher_, &CollectionWatcher::RemoveDirectory);
QObject::connect(watcher_, &CollectionWatcher::NewOrUpdatedSongs, backend_, &CollectionBackend::AddOrUpdateSongs);
QObject::connect(watcher_, &CollectionWatcher::SongsMTimeUpdated, backend_, &CollectionBackend::UpdateMTimesOnly);
QObject::connect(watcher_, &CollectionWatcher::SongsDeleted, backend_, &CollectionBackend::DeleteSongs);
QObject::connect(watcher_, &CollectionWatcher::SubdirsDiscovered, backend_, &CollectionBackend::AddOrUpdateSubdirs);
QObject::connect(watcher_, &CollectionWatcher::SubdirsMTimeUpdated, backend_, &CollectionBackend::AddOrUpdateSubdirs);
QObject::connect(watcher_, &CollectionWatcher::CompilationsNeedUpdating, backend_, &CollectionBackend::CompilationsNeedUpdating);
QObject::connect(watcher_, &CollectionWatcher::ScanStarted, this, &FilesystemDevice::TaskStarted);
}
FilesystemDevice::~FilesystemDevice() {
watcher_->Stop();
watcher_->deleteLater();
watcher_thread_->exit();
watcher_thread_->wait();
}
bool FilesystemDevice::Init() {
InitBackendDirectory(url_.toLocalFile(), first_time_);
model_->Init();
return true;
}
void FilesystemDevice::CloseAsync() {
QMetaObject::invokeMethod(this, "Close", Qt::QueuedConnection);
}
void FilesystemDevice::Close() {
assert(QThread::currentThread() == thread());
wait_for_exit_ << backend_ << watcher_;
QObject::disconnect(backend_, nullptr, watcher_, nullptr);
QObject::disconnect(watcher_, nullptr, backend_, nullptr);
QObject::connect(backend_, &CollectionBackend::ExitFinished, this, &FilesystemDevice::ExitFinished);
QObject::connect(watcher_, &CollectionWatcher::ExitFinished, this, &FilesystemDevice::ExitFinished);
backend_->ExitAsync();
watcher_->ExitAsync();
}
void FilesystemDevice::ExitFinished() {
QObject *obj = sender();
if (!obj) return;
QObject::disconnect(obj, nullptr, this, nullptr);
qLog(Debug) << obj << "successfully exited.";
wait_for_exit_.removeAll(obj);
if (wait_for_exit_.isEmpty()) {
emit DeviceCloseFinished(unique_id());
}
}