Add Qobuz support (#181)

src/qobuz/qobuzurlhandler.h

@@ -0,0 +1,55 @@
+/*
+ * 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 QOBUZURLHANDLER_H
+#define QOBUZURLHANDLER_H
+
+#include <QObject>
+#include <QString>
+#include <QUrl>
+
+#include "core/urlhandler.h"
+#include "core/song.h"
+#include "qobuz/qobuzservice.h"
+
+class Application;
+class QobuzService;
+
+class QobuzUrlHandler : public UrlHandler {
+  Q_OBJECT
+
+ public:
+  QobuzUrlHandler(Application *app, QobuzService *service);
+
+  QString scheme() const { return service_->url_scheme(); }
+  LoadResult StartLoading(const QUrl &url);
+
+  void CancelTask();
+
+ private slots:
+  void GetStreamURLFinished(QUrl original_url, QUrl url, Song::FileType filetype, QString error = QString());
+
+ private:
+  Application *app_;
+  QobuzService *service_;
+  int task_id_;
+
+};
+
+#endif