96 lines
2.6 KiB
C++
96 lines
2.6 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 <QThreadPool>
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#include "core/song.h"
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#include "albumcoverloaderoptions.h"
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#include "albumcoverexport.h"
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#include "albumcoverexporter.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(const AlbumCoverExport::DialogResult &dialog_result) {
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dialog_result_ = dialog_result;
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}
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void AlbumCoverExporter::SetCoverTypes(const AlbumCoverLoaderOptions::Types &cover_types) {
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cover_types_ = cover_types;
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}
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void AlbumCoverExporter::AddExportRequest(const Song &song) {
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requests_.append(new CoverExportRunnable(dialog_result_, cover_types_, song));
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all_ = static_cast<int>(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() && thread_pool_->activeThreadCount() < thread_pool_->maxThreadCount()) {
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CoverExportRunnable *runnable = requests_.dequeue();
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QObject::connect(runnable, &CoverExportRunnable::CoverExported, this, &AlbumCoverExporter::CoverExported);
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QObject::connect(runnable, &CoverExportRunnable::CoverSkipped, this, &AlbumCoverExporter::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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