1 files changed, 95 insertions, 0 deletions
diff --git a/src/core/module/Event.h b/src/core/module/Event.h
new file mode 100644
index 00000000..92268216
--- /dev/null
+++ b/src/core/module/Event.h
@@ -0,0 +1,95 @@
+/**
+ * Copyright (C) 2021 Saturneric <[email protected]>
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend 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.
+ *
+ * GpgFrontend 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 GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric <[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#pragma once
+
+#include <any>
+#include <functional>
+#include <optional>
+
+#include "core/GpgFrontendCore.h"
+#include "core/model/DataObject.h"
+
+namespace GpgFrontend::Module {
+
+class Event;
+
+using EventRefrernce = std::shared_ptr<Event>;
+using EventIdentifier = QString;
+using Evnets = std::vector<Event>;
+
+class GPGFRONTEND_CORE_EXPORT Event {
+ public:
+  using ParameterValue = std::any;
+  using EventIdentifier = QString;
+  using ListenerIdentifier = QString;
+  using EventCallback =
+      std::function<void(EventIdentifier, ListenerIdentifier, DataObjectPtr)>;
+  struct ParameterInitializer {
+    QString key;
+    ParameterValue value;
+  };
+
+  explicit Event(const QString&,
+                 std::initializer_list<ParameterInitializer> = {},
+                 EventCallback = nullptr);
+
+  ~Event();
+
+  auto operator[](const QString& key) const -> std::optional<ParameterValue>;
+
+  auto operator==(const Event& other) const -> bool;
+
+  auto operator!=(const Event& other) const -> bool;
+
+  auto operator<(const Event& other) const -> bool;
+
+  auto operator<=(const Event& other) const -> bool;
+
+  explicit operator QString() const;
+
+  auto GetIdentifier() -> EventIdentifier;
+
+  void AddParameter(const QString& key, const ParameterValue& value);
+
+  void ExecuteCallback(ListenerIdentifier, DataObjectPtr);
+
+ private:
+  class Impl;
+  SecureUniquePtr<Impl> p_;
+};
+
+template <typename... Args>
+auto MakeEvent(const EventIdentifier& event_id, Args&&... args,
+               Event::EventCallback e_cb) -> EventRefrernce {
+  std::initializer_list<Event::ParameterInitializer> params = {
+      Event::ParameterInitializer{std::forward<Args>(args)}...};
+  return GpgFrontend::SecureCreateSharedObject<Event>(event_id, params, e_cb);
+}
+
+}  // namespace GpgFrontend::Module
+\ No newline at end of file