101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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*
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* Strawberry 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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*
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* Strawberry 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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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <QObject>
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#include <QString>
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#include <QtConcurrentRun>
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#include <QFuture>
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#include <QFutureWatcher>
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#include "core/shared_ptr.h"
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#include "core/taskmanager.h"
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#include "playlist/playlist.h"
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#include "playlistgenerator.h"
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#include "playlistgeneratorinserter.h"
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class CollectionBackend;
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PlaylistGeneratorInserter::PlaylistGeneratorInserter(SharedPtr<TaskManager> task_manager, SharedPtr<CollectionBackend> collection_backend, QObject *parent)
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: QObject(parent),
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task_manager_(task_manager),
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collection_backend_(collection_backend),
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task_id_(-1),
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destination_(nullptr),
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row_(0),
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play_now_(false),
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enqueue_(false),
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enqueue_next_(false),
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is_dynamic_(false) {}
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PlaylistItemPtrList PlaylistGeneratorInserter::Generate(PlaylistGeneratorPtr generator, int dynamic_count) {
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if (dynamic_count > 0) {
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return generator->GenerateMore(dynamic_count);
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}
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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 PlaylistGeneratorInserter::Load(Playlist *destination, const int row, const bool play_now, const bool enqueue, const bool enqueue_next, PlaylistGeneratorPtr generator, const 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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QObject::connect(&*generator, &PlaylistGenerator::Error, this, &PlaylistGeneratorInserter::Error);
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QFuture<PlaylistItemPtrList> future = QtConcurrent::run(PlaylistGeneratorInserter::Generate, generator, dynamic_count);
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QFutureWatcher<PlaylistItemPtrList> *watcher = new QFutureWatcher<PlaylistItemPtrList>();
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QObject::connect(watcher, &QFutureWatcher<PlaylistItemPtrList>::finished, this, &PlaylistGeneratorInserter::Finished);
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watcher->setFuture(future);
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}
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void PlaylistGeneratorInserter::Finished() {
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QFutureWatcher<PlaylistItemPtrList> *watcher = static_cast<QFutureWatcher<PlaylistItemPtrList>*>(sender());
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PlaylistItemPtrList items = watcher->result();
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watcher->deleteLater();
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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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}
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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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