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+/*
+ * Copyright (c) 2017, Ford Motor Company
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * Neither the name of the Ford Motor Company nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SRC_COMPONENTS_FUNCTIONAL_MODULE_INCLUDE_FUNCTIONAL_MODULE_PLUGIN_MANAGER_H_
+#define SRC_COMPONENTS_FUNCTIONAL_MODULE_INCLUDE_FUNCTIONAL_MODULE_PLUGIN_MANAGER_H_
+
+#include <map>
+#include <string>
+#include "functional_module/generic_module.h"
+#include "application_manager/service.h"
+#include "application_manager/message.h"
+
+namespace functional_modules {
+
+class PluginManager : public ModuleObserver {
+ public:
+  PluginManager();
+  ~PluginManager();
+  typedef std::map<ModuleID, ModulePtr> Modules;
+
+  /**
+   * @brief LoadPlugins initialize loading plugins
+   * @param plugin_path path to search to plugin shared libraries
+   * @return count of loaded plugins
+   */
+  int LoadPlugins(const std::string& plugin_path);
+
+  /**
+   * @brief UnloadPlugins unload from memory all plugins
+   */
+  void UnloadPlugins();
+
+  /**
+   * @brief IsMessageForPlugin Verifies whether mobile message will be processed
+   * by plugins
+   * @param msg Mobile message
+   * @return True if any of plugins will process the message, otherwise - false
+   */
+  bool IsMessageForPlugin(application_manager::MessagePtr msg);
+
+  /**
+   * @brief IsHMIMessageForPlugin Verifies whether HMI message will be processed
+   * by plugins
+   * @param msg HMI message
+   * @return True if any of plugins will process the message, otherwise - false
+   */
+  bool IsHMIMessageForPlugin(application_manager::MessagePtr msg);
+
+  /**
+   * @brief ProcessMessage forwards mobile message to modules if any is
+   * subsribed for the message.
+   * @param msg Mobile message to process
+   * @return Result of processing
+   */
+  ProcessResult ProcessMessage(application_manager::MessagePtr msg);
+
+  /**
+   * @brief ProcessHMIMessage forwards HMI message to modules if any is
+   * subscribed for the message
+   * @param msg HMI message to process
+   * @return Result of processing
+   */
+  ProcessResult ProcessHMIMessage(application_manager::MessagePtr msg);
+  void SetServiceHandler(application_manager::ServicePtr service) {
+    service_ = service;
+  }
+  void OnServiceStateChanged(ServiceState state);
+  void OnError(ModuleObserver::Errors error, ModuleID module_id) FINAL;
+
+  /**
+   * @brief Remove extension created for specified application
+   * @param app_id application id
+   */
+  void RemoveAppExtension(uint32_t app_id);
+
+  /**
+   * @brief Check if app cooperates with one or more plugins, init it
+   * inside plugin accordingly if needed.
+   * @param app Application in question.
+   */
+  bool IsAppForPlugins(application_manager::ApplicationSharedPtr app);
+
+  /**
+   * Check if app cooperates with plugin
+   * @param app application
+   * @param module_id unique identifier of plugin
+   * @return true if application cooperates with this plugin
+   */
+  bool IsAppForPlugin(application_manager::ApplicationSharedPtr app,
+                      ModuleID module_id) const;
+
+  /**
+   * @brief Notify plugins about change of HMILevel of app
+   * if app is related to plugin
+   * @param app App with new HMILevel
+   * @param old_level Old HMILevel of app
+   */
+  void OnAppHMILevelChanged(application_manager::ApplicationSharedPtr app,
+                            mobile_apis::HMILevel::eType old_level);
+
+  /**
+   * @brief OnApplicationEvent Notifies modules on certain application events
+   * @param event Event
+   * @param application_id Application id of particular application
+   */
+  void OnApplicationEvent(functional_modules::ApplicationEvent event,
+                          const uint32_t application_id);
+
+  /**
+   * @brief OnPolicyEvent Notifies modules on certain events from policy
+   * @param event Policy event
+   */
+  void OnPolicyEvent(functional_modules::PolicyEvent event);
+
+  Modules& plugins();
+
+ private:
+  Modules plugins_;
+  std::map<ModuleID, void*> dlls_;
+  std::map<RCFunctionID, ModulePtr> mobile_subscribers_;
+  std::map<HMIFunctionID, ModulePtr> hmi_subscribers_;
+  application_manager::ServicePtr service_;
+
+  DISALLOW_COPY_AND_ASSIGN(PluginManager);
+};
+
+}  //  namespace functional_modules
+
+#endif  // SRC_COMPONENTS_FUNCTIONAL_MODULE_INCLUDE_FUNCTIONAL_MODULE_PLUGIN_MANAGER_H_