110 lines
3.5 KiB
C++
110 lines
3.5 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2012, 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 <QtGlobal>
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#include <QObject>
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#include <QAbstractItemModel>
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#include <QStandardItem>
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#include <QMap>
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#include <QSet>
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#include <QImage>
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#include <QPixmap>
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#include <QIcon>
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#include "covermanager/albumcoverloader.h"
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#include "standarditemiconloader.h"
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StandardItemIconLoader::StandardItemIconLoader(AlbumCoverLoader *cover_loader, QObject *parent)
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: QObject(parent),
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cover_loader_(cover_loader),
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model_(nullptr) {
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cover_options_.desired_height_ = 16;
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QObject::connect(cover_loader_, &AlbumCoverLoader::AlbumCoverLoaded, this, &StandardItemIconLoader::AlbumCoverLoaded);
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}
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void StandardItemIconLoader::SetModel(QAbstractItemModel *model) {
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if (model_) {
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QObject::disconnect(model_, &QAbstractItemModel::rowsAboutToBeRemoved, this, &StandardItemIconLoader::RowsAboutToBeRemoved);
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}
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model_ = model;
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QObject::connect(model_, &QAbstractItemModel::rowsAboutToBeRemoved, this, &StandardItemIconLoader::RowsAboutToBeRemoved);
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QObject::connect(model_, &QAbstractItemModel::modelAboutToBeReset, this, &StandardItemIconLoader::ModelReset);
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}
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void StandardItemIconLoader::LoadIcon(const QUrl &art_automatic, const QUrl &art_manual, QStandardItem *for_item) {
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const quint64 id = cover_loader_->LoadImageAsync(cover_options_, art_automatic, art_manual);
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pending_covers_[id] = for_item;
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}
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void StandardItemIconLoader::LoadIcon(const Song &song, QStandardItem *for_item) {
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const quint64 id = cover_loader_->LoadImageAsync(cover_options_, song);
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pending_covers_[id] = for_item;
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}
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void StandardItemIconLoader::RowsAboutToBeRemoved(const QModelIndex &parent, int begin, int end) {
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for (QMap<quint64, QStandardItem*>::iterator it = pending_covers_.begin(); it != pending_covers_.end();) {
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const QStandardItem *item = it.value();
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const QStandardItem *item_parent = item->parent();
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if (item_parent && item_parent->index() == parent && item->index().row() >= begin && item->index().row() <= end) {
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cover_loader_->CancelTask(it.key());
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it = pending_covers_.erase(it); // clazy:exclude=strict-iterators
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}
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else {
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++it;
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}
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}
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}
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void StandardItemIconLoader::ModelReset() {
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#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
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cover_loader_->CancelTasks(QSet<quint64>(pending_covers_.keyBegin(), pending_covers_.keyEnd()));
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#else
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cover_loader_->CancelTasks(QSet<quint64>::fromList(pending_covers_.keys()));
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#endif
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pending_covers_.clear();
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}
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void StandardItemIconLoader::AlbumCoverLoaded(const quint64 id, const AlbumCoverLoaderResult &result) {
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QStandardItem *item = pending_covers_.take(id);
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if (!item) return;
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if (result.success && !result.image_scaled.isNull() && result.type != AlbumCoverLoaderResult::Type_ManuallyUnset) {
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item->setIcon(QIcon(QPixmap::fromImage(result.image_scaled)));
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}
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}
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