Clementine-audio-player-Mac.../src/library/library.cpp

261 lines
10 KiB
C++

/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine 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.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "library.h"
#include "core/application.h"
#include "core/database.h"
#include "core/player.h"
#include "core/tagreaderclient.h"
#include "core/taskmanager.h"
#include "core/thread.h"
#include "librarybackend.h"
#include "librarydirectorymodel.h"
#include "librarymodel.h"
#include "smartplaylists/generator.h"
#include "smartplaylists/querygenerator.h"
#include "smartplaylists/search.h"
const char* Library::kSongsTable = "songs";
const char* Library::kDirsTable = "directories";
const char* Library::kSubdirsTable = "subdirectories";
const char* Library::kFtsTable = "songs_fts";
Library::Library(Application* app, QObject* parent)
: QObject(parent),
app_(app),
backend_(nullptr),
model_(nullptr),
watcher_(nullptr),
watcher_thread_(nullptr),
save_statistics_in_files_(false),
save_ratings_in_files_(false) {
backend_.reset(new LibraryBackend);
backend()->moveToThread(app->database()->thread());
backend_->Init(app->database(), kSongsTable, kDirsTable, kSubdirsTable,
kFtsTable);
using smart_playlists::Generator;
using smart_playlists::GeneratorPtr;
using smart_playlists::QueryGenerator;
using smart_playlists::Search;
using smart_playlists::SearchTerm;
model_ = new LibraryModel(backend_, app_, this);
dir_model_ = new LibraryDirectoryModel(backend_, this);
model_->set_show_smart_playlists(true);
model_->set_default_smart_playlists(
LibraryModel::DefaultGenerators()
<< (LibraryModel::GeneratorList()
<< GeneratorPtr(new QueryGenerator(
QT_TRANSLATE_NOOP("Library", "50 random tracks"),
Search(Search::Type_All, Search::TermList(),
Search::Sort_Random, SearchTerm::Field_Title, 50)))
<< GeneratorPtr(new QueryGenerator(
QT_TRANSLATE_NOOP("Library", "Ever played"),
Search(Search::Type_And,
Search::TermList()
<< SearchTerm(SearchTerm::Field_PlayCount,
SearchTerm::Op_GreaterThan, 0),
Search::Sort_Random, SearchTerm::Field_Title)))
<< GeneratorPtr(new QueryGenerator(
QT_TRANSLATE_NOOP("Library", "Never played"),
Search(Search::Type_And,
Search::TermList()
<< SearchTerm(SearchTerm::Field_PlayCount,
SearchTerm::Op_Equals, 0),
Search::Sort_Random, SearchTerm::Field_Title)))
<< GeneratorPtr(new QueryGenerator(
QT_TRANSLATE_NOOP("Library", "Last played"),
Search(Search::Type_All, Search::TermList(),
Search::Sort_FieldDesc, SearchTerm::Field_LastPlayed)))
<< GeneratorPtr(new QueryGenerator(
QT_TRANSLATE_NOOP("Library", "Most played"),
Search(Search::Type_All, Search::TermList(),
Search::Sort_FieldDesc, SearchTerm::Field_PlayCount)))
<< GeneratorPtr(new QueryGenerator(
QT_TRANSLATE_NOOP("Library", "Favourite tracks"),
Search(Search::Type_All, Search::TermList(),
Search::Sort_FieldDesc, SearchTerm::Field_Score)))
<< GeneratorPtr(new QueryGenerator(
QT_TRANSLATE_NOOP("Library", "Newest tracks"),
Search(Search::Type_All, Search::TermList(),
Search::Sort_FieldDesc,
SearchTerm::Field_DateCreated))))
<< (LibraryModel::GeneratorList()
<< GeneratorPtr(new QueryGenerator(
QT_TRANSLATE_NOOP("Library", "All tracks"),
Search(Search::Type_All, Search::TermList(),
Search::Sort_FieldAsc, SearchTerm::Field_Artist, -1)))
<< GeneratorPtr(new QueryGenerator(
QT_TRANSLATE_NOOP("Library", "Least favourite tracks"),
Search(Search::Type_Or,
Search::TermList()
<< SearchTerm(SearchTerm::Field_Rating,
SearchTerm::Op_LessThan, 0.6)
<< SearchTerm(SearchTerm::Field_SkipCount,
SearchTerm::Op_GreaterThan, 4),
Search::Sort_FieldDesc, SearchTerm::Field_SkipCount))))
<< (LibraryModel::GeneratorList() << GeneratorPtr(new QueryGenerator(
QT_TRANSLATE_NOOP("Library", "Dynamic random mix"),
Search(Search::Type_All, Search::TermList(), Search::Sort_Random,
SearchTerm::Field_Title),
true))));
// full rescan revisions
full_rescan_revisions_[26] = tr("CUE sheet support");
full_rescan_revisions_[50] = tr("Original year tag support");
ReloadSettings();
}
Library::~Library() {
watcher_->Stop();
watcher_->deleteLater();
watcher_thread_->exit();
watcher_thread_->wait(5000 /* five seconds */);
}
void Library::Init() {
watcher_ = new LibraryWatcher;
watcher_thread_ = new Thread(this);
watcher_thread_->SetIoPriority(Utilities::IOPRIO_CLASS_IDLE);
watcher_->moveToThread(watcher_thread_);
watcher_thread_->start(QThread::IdlePriority);
watcher_->set_backend(backend_.get());
watcher_->set_task_manager(app_->task_manager());
connect(backend_.get(),
SIGNAL(DirectoryDiscovered(Directory, SubdirectoryList)), watcher_,
SLOT(AddDirectory(Directory, SubdirectoryList)));
// RemoveDirectory should be called from the sender's thread.
connect(backend_.get(), &LibraryBackend::DirectoryDeleted, watcher_,
&LibraryWatcher::RemoveDirectory, Qt::DirectConnection);
connect(backend_.get(), SIGNAL(SongsRatingChanged(SongList)),
SLOT(SongsRatingChanged(SongList)));
connect(backend_.get(), SIGNAL(SongsStatisticsChanged(SongList)),
SLOT(SongsStatisticsChanged(SongList)));
connect(watcher_, SIGNAL(NewOrUpdatedSongs(SongList)), backend_.get(),
SLOT(AddOrUpdateSongs(SongList)));
connect(watcher_, SIGNAL(SongsMTimeUpdated(SongList)), backend_.get(),
SLOT(UpdateMTimesOnly(SongList)));
connect(watcher_, SIGNAL(SongsDeleted(SongList)), backend_.get(),
SLOT(MarkSongsUnavailable(SongList)));
connect(watcher_, SIGNAL(SongsReadded(SongList, bool)), backend_.get(),
SLOT(MarkSongsUnavailable(SongList, bool)));
connect(watcher_, SIGNAL(SubdirsDiscovered(SubdirectoryList)), backend_.get(),
SLOT(AddOrUpdateSubdirs(SubdirectoryList)));
connect(watcher_, SIGNAL(SubdirsMTimeUpdated(SubdirectoryList)),
backend_.get(), SLOT(AddOrUpdateSubdirs(SubdirectoryList)));
connect(watcher_, SIGNAL(CompilationsNeedUpdating()), backend_.get(),
SLOT(UpdateCompilations()));
connect(watcher_, &LibraryWatcher::Error, app_, &Application::AddError);
connect(app_->playlist_manager(), SIGNAL(CurrentSongChanged(Song)),
SLOT(CurrentSongChanged(Song)));
connect(app_->player(), SIGNAL(Stopped()), SLOT(Stopped()));
// This will start the watcher checking for updates
backend_->LoadDirectoriesAsync();
}
void Library::IncrementalScan() { watcher_->IncrementalScanAsync(); }
void Library::FullScan() { watcher_->FullScanAsync(); }
void Library::PauseWatcher() { watcher_->SetRescanPausedAsync(true); }
void Library::ResumeWatcher() { watcher_->SetRescanPausedAsync(false); }
void Library::ReloadSettings() {
watcher_->ReloadSettingsAsync();
// These don't belong in LibraryBackend's group but it's too late to change
// now.
QSettings s;
s.beginGroup(LibraryBackend::kSettingsGroup);
save_statistics_in_files_ =
s.value("save_statistics_in_file", false).toBool();
save_ratings_in_files_ = s.value("save_ratings_in_file", false).toBool();
}
void Library::WriteAllSongsStatisticsToFiles() {
const SongList all_songs = backend_->GetAllSongs();
const int task_id = app_->task_manager()->StartTask(
tr("Saving songs statistics into songs files"));
app_->task_manager()->SetTaskBlocksLibraryScans(task_id);
const int nb_songs = all_songs.size();
int i = 0;
for (const Song& song : all_songs) {
TagReaderClient::Instance()->UpdateSongStatisticsBlocking(song);
TagReaderClient::Instance()->UpdateSongRatingBlocking(song);
app_->task_manager()->SetTaskProgress(task_id, ++i, nb_songs);
}
app_->task_manager()->SetTaskFinished(task_id);
}
void Library::Stopped() { CurrentSongChanged(Song()); }
void Library::CurrentSongChanged(const Song& song) {
TagReaderReply* reply = nullptr;
if (queued_rating_.is_valid()) {
reply = app_->tag_reader_client()->UpdateSongRating(queued_rating_);
queued_rating_ = Song();
} else if (queued_statistics_.is_valid()) {
reply = app_->tag_reader_client()->UpdateSongStatistics(queued_statistics_);
queued_statistics_ = Song();
}
if (reply) {
connect(reply, SIGNAL(Finished(bool)), reply, SLOT(deleteLater()));
}
if (song.filetype() == Song::Type_Asf) {
current_wma_song_url_ = song.url();
}
}
void Library::SongsRatingChanged(const SongList& songs) {
if (save_ratings_in_files_) {
app_->tag_reader_client()->UpdateSongsRating(
FilterCurrentWMASong(songs, &queued_rating_));
}
}
void Library::SongsStatisticsChanged(const SongList& songs) {
if (save_statistics_in_files_) {
app_->tag_reader_client()->UpdateSongsStatistics(
FilterCurrentWMASong(songs, &queued_statistics_));
}
}
SongList Library::FilterCurrentWMASong(SongList songs, Song* queued) {
for (SongList::iterator it = songs.begin(); it != songs.end();) {
if (it->url() == current_wma_song_url_) {
*queued = *it;
it = songs.erase(it);
} else {
++it;
}
}
return songs;
}