refactor: move module system to core and make it work

1 files changed, 104 insertions, 0 deletions

diff --git a/src/core/module/ModuleManager.h b/src/core/module/ModuleManager.h
new file mode 100644
index 00000000..bb201ebe
--- /dev/null
+++ b/src/core/module/ModuleManager.h
@@ -0,0 +1,104 @@
+/**
+ * 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
+ *
+ */
+
+#ifndef GPGFRONTEND_MODULEMANAGER_H
+#define GPGFRONTEND_MODULEMANAGER_H
+
+#include <memory>
+#include <string>
+
+#include "core/GpgFrontendCore.h"
+#include "core/thread/Task.h"
+
+namespace GpgFrontend::Thread {
+class TaskRunner;
+}
+
+namespace GpgFrontend::Module {
+
+using TaskRunnerPtr = std::shared_ptr<Thread::TaskRunner>;
+
+class Event;
+class Module;
+class GlobalModuleContext;
+class ModuleManager;
+
+using EventRefrernce = std::shared_ptr<Event>;
+using ModuleIdentifier = std::string;
+using ModulePtr = std::shared_ptr<Module>;
+using ModuleMangerPtr = std::shared_ptr<ModuleManager>;
+using GlobalModuleContextPtr = std::shared_ptr<GlobalModuleContext>;
+
+class GPGFRONTEND_CORE_EXPORT ModuleManager : public QObject {
+  Q_OBJECT
+ public:
+  ~ModuleManager();
+
+  static ModuleMangerPtr GetInstance();
+
+  void RegisterModule(ModulePtr);
+
+  void TriggerEvent(EventRefrernce);
+
+  void ActiveModule(ModuleIdentifier);
+
+  void DeactiveModule(ModuleIdentifier);
+
+  std::optional<TaskRunnerPtr> GetTaskRunner(ModuleIdentifier);
+
+ private:
+  class Impl;
+  std::unique_ptr<Impl> p_;
+  static ModuleMangerPtr g_;
+
+  ModuleManager();
+};
+
+template <typename T, typename... Args>
+void RegisterModule(Args&&... args) {
+  ModuleManager::GetInstance()->RegisterModule(
+      std::make_shared<T>(std::forward<Args>(args)...));
+}
+
+template <typename T, typename... Args>
+void RegisterAndActivateModule(Args&&... args) {
+  auto manager = ModuleManager::GetInstance();
+  auto module = std::make_shared<T>(std::forward<Args>(args)...);
+  manager->RegisterModule(module);
+  manager->ActiveModule(module->GetModuleIdentifier());
+}
+
+template <typename... Args>
+void TriggerEvent(const std::string& eventIdentifier, Args&&... args) {
+  ModuleManager::GetInstance()->TriggerEvent(std::make_shared<Event>(
+      std::move(MakeEvent(eventIdentifier, std::forward<Args>(args)...))));
+}
+
+}  // namespace GpgFrontend::Module
+
+#endif  // GPGFRONTEND_MODULEMANAGER_H
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