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+/*
+ * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LIBHOMESCREEN_H
+#define LIBHOMESCREEN_H
+#include <vector>
+#include <map>
+#include <string>
+#include <functional>
+#include <json-c/json.h>
+#include <systemd/sd-event.h>
+extern "C"
+{
+#include <afb/afb-binding.h>
+#include <afb/afb-wsj1.h>
+#include <afb/afb-ws-client.h>
+}
+
+class LibHomeScreen
+{
+public:
+ LibHomeScreen();
+ ~LibHomeScreen();
+
+ LibHomeScreen(const LibHomeScreen &) = delete;
+ LibHomeScreen &operator=(const LibHomeScreen &) = delete;
+
+ using handler_func = std::function<void(const char*)>;
+
+ enum EventType {
+ Event_TapShortcut = 1,
+ Event_OnScreenMessage
+ };
+
+ static const std::vector<std::string> api_list;
+ static const std::vector<std::string> event_list;
+
+ /* Method */
+ int init(const int port, const std::string& token);
+
+ int tapShortcut(const char* application_name);
+ int onScreenMessage(const char* display_message);
+
+ void set_event_handler(enum EventType et, handler_func f);
+
+ void registerCallback(
+ void (*event_cb)(const std::string& event, struct json_object* event_contents),
+ void (*reply_cb)(struct json_object* reply_contents),
+ void (*hangup_cb)(void) = nullptr);
+
+ int call(const std::string& verb, struct json_object* arg);
+ int call(const char* verb, struct json_object* arg);
+ int subscribe(const std::string& event_name);
+ int unsubscribe(const std::string& event_name);
+
+private:
+ int initialize_websocket();
+ int runEventloop();
+
+ void (*onEvent)(const std::string& event, struct json_object* event_contents);
+ void (*onReply)(struct json_object* reply);
+ void (*onHangup)(void);
+
+ struct afb_wsj1* sp_websock;
+ struct afb_wsj1_itf minterface;
+ sd_event* mploop;
+ std::string muri;
+
+ int mport = 2000;
+ std::string mtoken = "hs";
+
+ std::map<EventType, handler_func> handlers;
+
+public:
+ /* Don't use/ Internal only */
+ void on_hangup(void *closure, struct afb_wsj1 *wsj);
+ void on_call(void *closure, const char *api, const char *verb, struct afb_wsj1_msg *msg);
+ void on_event(void *closure, const char *event, struct afb_wsj1_msg *msg);
+ void on_reply(void *closure, struct afb_wsj1_msg *msg);
+};
+
+#endif /* LIBHOMESCREEN_H */