pgl: skeleton api

libraries/libstratosphere/include/stratosphere/pgl/pgl_event_observer.hpp

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2019-2020 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/os.hpp>
+#include <stratosphere/pm.hpp>
+#include <stratosphere/pgl/pgl_types.hpp>
+#include <stratosphere/pgl/sf/pgl_sf_i_event_observer.hpp>
+
+namespace ams::pgl {
+
+    class EventObserver {
+        NON_COPYABLE(EventObserver);
+        private:
+            std::shared_ptr<pgl::sf::IEventObserver> interface;
+        public:
+            EventObserver() { /* ... */ }
+            explicit EventObserver(std::shared_ptr<pgl::sf::IEventObserver> intf) : interface(std::move(intf)) { /* ... */ }
+
+            EventObserver(EventObserver &&rhs) {
+                this->interface = std::move(rhs.interface);
+            }
+
+            EventObserver &operator=(EventObserver &&rhs) {
+                EventObserver(std::move(rhs)).Swap(*this);
+                return *this;
+            }
+
+            void Swap(EventObserver &rhs) {
+                std::swap(this->interface, rhs.interface);
+            }
+        public:
+            Result GetSystemEvent(os::SystemEventType *out) {
+                ams::sf::CopyHandle handle;
+                R_TRY(this->interface->GetProcessEventHandle(std::addressof(handle)));
+                os::AttachSystemEvent(out, handle.GetValue(), true, svc::InvalidHandle, false, os::EventClearMode_AutoClear);
+                return ResultSuccess();
+            }
+
+            Result GetProcessEventInfo(pm::ProcessEventInfo *out) {
+                return this->interface->GetProcessEventInfo(out);
+            }
+    };
+
+}