From e5694e9f6d2a84954eaf508557caa795f5282b07 Mon Sep 17 00:00:00 2001
From: saturneric <eric@bktus.com>
Date: Tue, 17 Oct 2023 22:57:03 +0800
Subject: refactor: change plugin system to module system

---
 src/module/system/ModuleManager.cpp | 111 ++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 src/module/system/ModuleManager.cpp

(limited to 'src/module/system/ModuleManager.cpp')

diff --git a/src/module/system/ModuleManager.cpp b/src/module/system/ModuleManager.cpp
new file mode 100644
index 00000000..8f0e7517
--- /dev/null
+++ b/src/module/system/ModuleManager.cpp
@@ -0,0 +1,111 @@
+/**
+ * Copyright (C) 2021 Saturneric <eric@bktus.com>
+ *
+ * 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 <eric@bktus.com> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "ModuleManager.h"
+
+#include "core/thread/TaskRunner.h"
+#include "module/system/GlobalModuleContext.h"
+#include "module/system/Module.h"
+
+namespace GpgFrontend::Module {
+
+ModuleMangerPtr ModuleManager::g_ = nullptr;
+
+class ModuleManager::Impl {
+ public:
+  Impl()
+      : task_runner_(std::make_shared<Thread::TaskRunner>()),
+        global_plugin_context_(
+            std::make_shared<GlobalModuleContext>(task_runner_)) {
+    task_runner_->start();
+  }
+
+  void RegisterPlugin(ModulePtr plugin) {
+    task_runner_->PostTask(new Thread::Task(
+        std::move([=](GpgFrontend::Thread::DataObjectPtr) -> int {
+          global_plugin_context_->RegisterPlugin(plugin);
+          return 0;
+        }),
+        __func__, nullptr, true));
+  }
+
+  void TriggerEvent(EventRefrernce event) {
+    task_runner_->PostTask(new Thread::Task(
+        std::move([=](GpgFrontend::Thread::DataObjectPtr) -> int {
+          global_plugin_context_->TriggerEvent(event);
+          return 0;
+        }),
+        __func__, nullptr, true));
+  }
+
+  void ActivePlugin(ModuleIdentifier identifier) {
+    task_runner_->PostTask(new Thread::Task(
+        std::move([=](GpgFrontend::Thread::DataObjectPtr) -> int {
+          global_plugin_context_->ActivePlugin(identifier);
+          return 0;
+        }),
+        __func__, nullptr, true));
+  }
+
+  std::optional<TaskRunnerPtr> GetTaskRunner(ModuleIdentifier plugin_id) {
+    return global_plugin_context_->GetTaskRunner(plugin_id);
+  }
+
+ private:
+  static ModuleMangerPtr global_plugin_manager_;
+  TaskRunnerPtr task_runner_;
+  GlobalModuleContextPtr global_plugin_context_;
+};
+
+ModuleManager::ModuleManager() : p_(std::make_unique<Impl>()) {}
+
+ModuleManager::~ModuleManager() = default;
+
+ModuleMangerPtr ModuleManager::GetInstance() {
+  if (g_ == nullptr) g_ = std::shared_ptr<ModuleManager>(new ModuleManager());
+  return g_;
+}
+
+void ModuleManager::RegisterPlugin(ModulePtr plugin) {
+  return p_->RegisterPlugin(plugin);
+}
+
+void ModuleManager::TriggerEvent(EventRefrernce event) {
+  return p_->TriggerEvent(event);
+}
+
+void ModuleManager::ActivePlugin(ModuleIdentifier identifier) {
+  return p_->ActivePlugin(identifier);
+}
+
+std::optional<TaskRunnerPtr> ModuleManager::GetTaskRunner(
+    ModuleIdentifier plugin_id) {
+  return p_->GetTaskRunner(plugin_id);
+}
+
+}  // namespace GpgFrontend::Module
\ No newline at end of file
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