mirror of
https://github.com/clementine-player/Clementine
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81 lines
2.5 KiB
C++
81 lines
2.5 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 "smartplaylists/generatorinserter.h"
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#include <QtConcurrentRun>
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#include "core/closure.h"
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#include "core/taskmanager.h"
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#include "playlist/playlist.h"
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#include "smartplaylists/generator.h"
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namespace smart_playlists {
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GeneratorInserter::GeneratorInserter(TaskManager* task_manager,
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LibraryBackend* library, QObject* parent)
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: QObject(parent),
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task_manager_(task_manager),
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library_(library),
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task_id_(-1),
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is_dynamic_(false) {}
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static PlaylistItemList Generate(GeneratorPtr generator, int dynamic_count) {
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if (dynamic_count) {
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return generator->GenerateMore(dynamic_count);
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} else {
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return generator->Generate();
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}
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}
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void GeneratorInserter::Load(Playlist* destination, int row, bool play_now,
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bool enqueue, bool enqueue_next,
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GeneratorPtr generator, int dynamic_count) {
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task_id_ = task_manager_->StartTask(tr("Loading smart playlist"));
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destination_ = destination;
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row_ = row;
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play_now_ = play_now;
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enqueue_ = enqueue;
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enqueue_next_ = enqueue_next;
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is_dynamic_ = generator->is_dynamic();
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connect(generator.get(), SIGNAL(Error(QString)), SIGNAL(Error(QString)));
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QFuture<PlaylistItemList> future =
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QtConcurrent::run(Generate, generator, dynamic_count);
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NewClosure(future, this, SLOT(Finished(QFuture<PlaylistItemList>)), future);
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}
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void GeneratorInserter::Finished(QFuture<PlaylistItemList> future) {
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PlaylistItemList items = future.result();
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if (items.isEmpty()) {
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if (is_dynamic_) {
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destination_->TurnOffDynamicPlaylist();
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}
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} else {
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destination_->InsertItems(items, row_, play_now_, enqueue_);
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}
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task_manager_->SetTaskFinished(task_id_);
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deleteLater();
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}
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} // namespace
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