139 lines
3.5 KiB
C++
139 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 2010, David Sansome <me@davidsansome.com>
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* Copyright 2018-2020, Jonas Kvinge <jonas@jkvinge.net>
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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 <QMutex>
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#include <QList>
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#include <QMap>
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#include <QVariant>
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#include <QVariantList>
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#include <QString>
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#include <QStringList>
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#include <QSettings>
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#include <QtDebug>
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#include "core/logging.h"
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#include "coverprovider.h"
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#include "coverproviders.h"
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#include "settings/coverssettingspage.h"
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int CoverProviders::NextOrderId = 0;
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CoverProviders::CoverProviders(QObject *parent) : QObject(parent) {}
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CoverProviders::~CoverProviders() {
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while (!cover_providers_.isEmpty()) {
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delete cover_providers_.firstKey();
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}
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}
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void CoverProviders::ReloadSettings() {
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QMap<int, QString> all_providers;
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for (CoverProvider *provider : cover_providers_.keys()) {
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if (!provider->is_enabled()) continue;
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all_providers.insert(provider->order(), provider->name());
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}
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QSettings s;
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s.beginGroup(CoversSettingsPage::kSettingsGroup);
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QStringList providers_enabled = s.value("providers", QStringList() << all_providers.values()).toStringList();
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s.endGroup();
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int i = 0;
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QList<CoverProvider*> providers;
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for (const QString &name : providers_enabled) {
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CoverProvider *provider = ProviderByName(name);
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if (provider) {
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provider->set_enabled(true);
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provider->set_order(++i);
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providers << provider;
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}
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}
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for (CoverProvider *provider : cover_providers_.keys()) {
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if (!providers.contains(provider)) {
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provider->set_enabled(false);
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provider->set_order(++i);
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}
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}
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}
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CoverProvider *CoverProviders::ProviderByName(const QString &name) const {
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for (CoverProvider *provider : cover_providers_.keys()) {
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if (provider->name() == name) return provider;
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}
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return nullptr;
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}
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void CoverProviders::AddProvider(CoverProvider *provider) {
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{
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QMutexLocker locker(&mutex_);
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cover_providers_.insert(provider, provider->name());
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connect(provider, SIGNAL(destroyed()), SLOT(ProviderDestroyed()));
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}
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provider->set_order(++NextOrderId);
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qLog(Debug) << "Registered cover provider" << provider->name();
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}
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void CoverProviders::RemoveProvider(CoverProvider *provider) {
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if (!provider) return;
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// It's not safe to dereference provider at this point because it might have already been destroyed.
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QString name;
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{
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QMutexLocker locker(&mutex_);
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name = cover_providers_.take(provider);
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}
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if (name.isNull()) {
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qLog(Debug) << "Tried to remove a cover provider that was not registered";
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}
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else {
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qLog(Debug) << "Unregistered cover provider" << name;
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}
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}
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void CoverProviders::ProviderDestroyed() {
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CoverProvider *provider = static_cast<CoverProvider*>(sender());
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RemoveProvider(provider);
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}
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int CoverProviders::NextId() { return next_id_.fetchAndAddRelaxed(1); }
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