80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
/* This file is part of Clementine.
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Copyright 2013, Andreas <asfa194@gmail.com>
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Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
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Copyright 2014, John Maguire <john.maguire@gmail.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 "albumcoverexporter.h"
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#include <QFile>
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#include <QThreadPool>
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#include "core/song.h"
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#include "coverexportrunnable.h"
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const int AlbumCoverExporter::kMaxConcurrentRequests = 3;
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AlbumCoverExporter::AlbumCoverExporter(QObject* parent)
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: QObject(parent),
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thread_pool_(new QThreadPool(this)),
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exported_(0),
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skipped_(0),
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all_(0) {
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thread_pool_->setMaxThreadCount(kMaxConcurrentRequests);
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}
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void AlbumCoverExporter::SetDialogResult(
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const AlbumCoverExport::DialogResult& dialog_result) {
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dialog_result_ = dialog_result;
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}
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void AlbumCoverExporter::AddExportRequest(Song song) {
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requests_.append(new CoverExportRunnable(dialog_result_, song));
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all_ = requests_.count();
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}
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void AlbumCoverExporter::Cancel() { requests_.clear(); }
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void AlbumCoverExporter::StartExporting() {
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exported_ = 0;
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skipped_ = 0;
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AddJobsToPool();
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}
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void AlbumCoverExporter::AddJobsToPool() {
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while (!requests_.isEmpty() &&
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thread_pool_->activeThreadCount() < thread_pool_->maxThreadCount()) {
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CoverExportRunnable* runnable = requests_.dequeue();
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connect(runnable, SIGNAL(CoverExported()), SLOT(CoverExported()));
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connect(runnable, SIGNAL(CoverSkipped()), SLOT(CoverSkipped()));
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thread_pool_->start(runnable);
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}
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}
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void AlbumCoverExporter::CoverExported() {
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exported_++;
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emit AlbumCoversExportUpdate(exported_, skipped_, all_);
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AddJobsToPool();
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}
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void AlbumCoverExporter::CoverSkipped() {
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skipped_++;
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emit AlbumCoversExportUpdate(exported_, skipped_, all_);
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AddJobsToPool();
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}
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