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

103 lines
2.8 KiB
C++

/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
* Copyright 2019, 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 <libmtp.h>
#include <QObject>
#include <QUrl>
#include "core/taskmanager.h"
#include "core/song.h"
#include "core/logging.h"
#include "collection/collectionbackend.h"
#include "connecteddevice.h"
#include "mtpdevice.h"
#include "mtpconnection.h"
#include "mtploader.h"
MtpLoader::MtpLoader(const QUrl &url, TaskManager *task_manager, CollectionBackend *backend, std::shared_ptr<ConnectedDevice> device)
: QObject(nullptr),
url_(url),
task_manager_(task_manager),
backend_(backend),
device_(device) {
original_thread_ = thread();
}
MtpLoader::~MtpLoader() {}
bool MtpLoader::Init() { return true; }
void MtpLoader::LoadDatabase() {
int task_id = task_manager_->StartTask(tr("Loading MTP device"));
emit TaskStarted(task_id);
bool success = TryLoad();
moveToThread(original_thread_);
task_manager_->SetTaskFinished(task_id);
emit LoadFinished(success);
}
bool MtpLoader::TryLoad() {
MtpDevice *device = dynamic_cast<MtpDevice*>(device_.get()); // FIXME
if (!device->connection() || !device->connection()->is_valid())
device->NewConnection();
if (!device->connection() || !device->connection()->is_valid()) {
emit Error(tr("Error connecting MTP device %1").arg(url_.toString()));
return false;
}
// Load the list of songs on the device
SongList songs;
LIBMTP_track_t* tracks = LIBMTP_Get_Tracklisting_With_Callback(device->connection()->device(), nullptr, nullptr);
while (tracks) {
LIBMTP_track_t *track = tracks;
Song song(Song::Source_Device);
song.InitFromMTP(track, url_.host());
if (song.is_valid() && !song.artist().isEmpty() && !song.title().isEmpty()) {
song.set_directory_id(1);
songs << song;
}
tracks = tracks->next;
LIBMTP_destroy_track_t(track);
}
// Need to remove all the existing songs in the database first
backend_->DeleteSongs(backend_->FindSongsInDirectory(1));
// Add the songs we've just loaded
backend_->AddOrUpdateSongs(songs);
return true;
}