tio: implement SdCardObserver (finishes sysmodule)

libraries/libstratosphere/source/fs/impl/fs_event_notifier_object_adapter.hpp

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::fs::impl {
+
+    class EventNotifierObjectAdapter final : public ::ams::fs::IEventNotifier, public ::ams::fs::impl::Newable {
+        private:
+            sf::SharedPointer<fssrv::sf::IEventNotifier> m_object;
+        public:
+            EventNotifierObjectAdapter(sf::SharedPointer<fssrv::sf::IEventNotifier> &&obj) : m_object(obj) { /* ... */ }
+            virtual ~EventNotifierObjectAdapter() { /* ... */ }
+        private:
+            virtual Result DoBindEvent(os::SystemEventType *out, os::EventClearMode clear_mode) override {
+                /* Get the handle. */
+                sf::CopyHandle handle;
+                AMS_FS_R_TRY(m_object->GetEventHandle(std::addressof(handle)));
+
+                /* Create the system event. */
+                os::AttachReadableHandleToSystemEvent(out, handle, true, clear_mode);
+
+                return ResultSuccess();
+            }
+    };
+
+    class RemoteEventNotifierObjectAdapter final : public ::ams::fs::IEventNotifier, public ::ams::fs::impl::Newable {
+        private:
+            ::FsEventNotifier m_notifier;
+        public:
+            RemoteEventNotifierObjectAdapter(::FsEventNotifier &n) : m_notifier(n) { /* ... */ }
+            virtual ~RemoteEventNotifierObjectAdapter() { fsEventNotifierClose(std::addressof(m_notifier)); }
+        private:
+            virtual Result DoBindEvent(os::SystemEventType *out, os::EventClearMode clear_mode) override {
+                /* Get the handle. */
+                ::Event e;
+                R_TRY(fsEventNotifierGetEventHandle(std::addressof(m_notifier), std::addressof(e), false));
+
+                /* Create the system event. */
+                os::AttachReadableHandleToSystemEvent(out, e.revent, true, clear_mode);
+
+                return ResultSuccess();
+            }
+    };
+
+}