Add lyrics from lrclib.net

src/lyrics/lrcliblyricsprovider.h

@@ -0,0 +1,51 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2025, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef LRCLIBLYRICSPROVIDER_H
+#define LRCLIBLYRICSPROVIDER_H
+
+#include "config.h"
+
+#include <QString>
+
+#include "jsonlyricsprovider.h"
+#include "lyricssearchrequest.h"
+#include "lyricssearchresult.h"
+
+class QNetworkReply;
+class NetworkAccessManager;
+
+class LrcLibLyricsProvider : public JsonLyricsProvider {
+  Q_OBJECT
+
+ public:
+  explicit LrcLibLyricsProvider(const SharedPtr<NetworkAccessManager> network, QObject *parent = nullptr);
+
+ private:
+  JsonObjectResult ParseJsonObject(QNetworkReply *reply);
+  void EndSearch(const int id, const LyricsSearchRequest &request, const LyricsSearchResults &results);
+
+ protected Q_SLOTS:
+  void StartSearch(const int id, const LyricsSearchRequest &request) override;
+
+ private Q_SLOTS:
+  void HandleSearchReply(QNetworkReply *reply, const int id, const LyricsSearchRequest &request);
+};
+
+#endif  // LRCLIBLYRICSPROVIDER_H