Add back Tidal support

src/tidal/tidalurlhandler.h

@@ -0,0 +1,57 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2018, 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 TIDALURLHANDLER_H
+#define TIDALURLHANDLER_H
+
+#include "config.h"
+
+#include <QtGlobal>
+#include <QObject>
+#include <QString>
+#include <QUrl>
+
+#include "core/urlhandler.h"
+#include "core/song.h"
+#include "tidal/tidalservice.h"
+
+class Application;
+
+class TidalUrlHandler : public UrlHandler {
+  Q_OBJECT
+
+ public:
+  TidalUrlHandler(Application *app, TidalService *service);
+
+  QString scheme() const { return service_->url_scheme(); }
+  LoadResult StartLoading(const QUrl &url);
+
+  void CancelTask();
+
+ private slots:
+  void GetStreamURLFinished(const QUrl &original_url, const QUrl &stream_url, const Song::FileType filetype, const int samplerate, const int bit_depth, const qint64 duration, QString error = QString());
+
+ private:
+  Application *app_;
+  TidalService *service_;
+  int task_id_;
+
+};
+
+#endif