#119 Refresh available LV2 plugins whenever an LV2 plugin is installed.

src/Lv2PluginChangeMonitor.hpp

@@ -0,0 +1,42 @@
+// Copyright (c) 2024 Robin Davies
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#pragma once
+
+#include <thread>
+#include <atomic>
+
+namespace pipedal
+{
+    class PiPedalModel;
+    class Lv2PluginChangeMonitor {
+    public:
+        Lv2PluginChangeMonitor(PiPedalModel&model);
+        ~Lv2PluginChangeMonitor();
+        void Shutdown();
+    private:
+        void ThreadProc();
+
+        int shutdown_eventfd;
+        bool isClosed = false;
+        PiPedalModel&model;
+        std::unique_ptr<std::thread> monitorThread;
+        std::atomic<bool> terminateThread {false};
+    };
+}