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