Move drivers to a separate object

Towards eliminating dependencies on the Patchage "god object".

1 files changed, 65 insertions, 0 deletions

diff --git a/src/Drivers.hpp b/src/Drivers.hpp
new file mode 100644
index 0000000..0e3cdce
--- /dev/null
+++ b/src/Drivers.hpp
@@ -0,0 +1,65 @@
+/* This file is part of Patchage.
+ * Copyright 2007-2021 David Robillard <d@drobilla.net>
+ *
+ * Patchage 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.
+ *
+ * Patchage 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 details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Patchage.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PATCHAGE_DRIVERS_HPP
+#define PATCHAGE_DRIVERS_HPP
+
+#include "ClientType.hpp"
+#include "Driver.hpp"
+
+#include <memory>
+
+namespace patchage {
+
+class AudioDriver;
+class ILog;
+
+/// Manager for all drivers
+class Drivers
+{
+public:
+  Drivers(ILog& log, Driver::EventSink emit_event);
+
+  Drivers(const Drivers&) = delete;
+  Drivers& operator=(const Drivers&) = delete;
+
+  Drivers(Drivers&&) = delete;
+  Drivers& operator=(Drivers&&) = delete;
+
+  ~Drivers() = default;
+
+  /// Refresh all drivers and emit results to the event sink
+  void refresh();
+
+  /// Return a pointer to the driver for the given client type (or null)
+  Driver* driver(ClientType type);
+
+  /// Return a pointer to the ALSA driver (or null)
+  const std::unique_ptr<Driver>& alsa() { return _alsa_driver; }
+
+  /// Return a pointer to the JACK driver (or null)
+  const std::unique_ptr<AudioDriver>& jack() { return _jack_driver; }
+
+protected:
+  ILog&                        _log;
+  std::unique_ptr<Driver>      _alsa_driver;
+  std::unique_ptr<AudioDriver> _jack_driver;
+  Driver::EventSink            _emit_event;
+};
+
+} // namespace patchage
+
+#endif // PATCHAGE_DRIVER_HPP