141 lines
3.7 KiB
C++
141 lines
3.7 KiB
C++
/*
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* Strawberry Music Player
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* Copyright 2018-2021, 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 <utility>
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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 <QString>
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#include <QStringList>
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#include <QSettings>
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#include "core/logging.h"
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#include "core/settings.h"
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#include "lyricsprovider.h"
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#include "lyricsproviders.h"
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#include "settings/lyricssettingspage.h"
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int LyricsProviders::NextOrderId = 0;
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LyricsProviders::LyricsProviders(QObject *parent) : QObject(parent) {}
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LyricsProviders::~LyricsProviders() {
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while (!lyrics_providers_.isEmpty()) {
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delete lyrics_providers_.firstKey();
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}
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}
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void LyricsProviders::ReloadSettings() {
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QMap<int, QString> all_providers;
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QList<LyricsProvider*> old_providers = lyrics_providers_.keys();
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for (LyricsProvider *provider : std::as_const(old_providers)) {
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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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Settings s;
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s.beginGroup(LyricsSettingsPage::kSettingsGroup);
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const 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<LyricsProvider*> new_providers;
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for (const QString &name : providers_enabled) {
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LyricsProvider *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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new_providers << provider; // clazy:exclude=reserve-candidates
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}
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}
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old_providers = lyrics_providers_.keys();
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for (LyricsProvider *provider : std::as_const(old_providers)) {
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if (!new_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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LyricsProvider *LyricsProviders::ProviderByName(const QString &name) const {
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const QList<LyricsProvider*> providers = lyrics_providers_.keys();
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for (LyricsProvider *provider : providers) {
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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 LyricsProviders::AddProvider(LyricsProvider *provider) {
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{
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QMutexLocker locker(&mutex_);
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lyrics_providers_.insert(provider, provider->name());
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QObject::connect(provider, &LyricsProvider::destroyed, this, &LyricsProviders::ProviderDestroyed);
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}
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provider->set_order(++NextOrderId);
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qLog(Debug) << "Registered lyrics provider" << provider->name();
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}
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void LyricsProviders::RemoveProvider(LyricsProvider *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 = lyrics_providers_.take(provider);
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}
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if (name.isNull()) {
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qLog(Debug) << "Tried to remove a lyrics provider that was not registered";
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}
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else {
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qLog(Debug) << "Unregistered lyrics provider" << name;
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}
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}
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void LyricsProviders::ProviderDestroyed() {
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LyricsProvider *provider = static_cast<LyricsProvider*>(sender());
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RemoveProvider(provider);
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}
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int LyricsProviders::NextId() { return next_id_.fetchAndAddRelaxed(1); }
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