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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(json_object*)>;
enum EventType {
Event_TapShortcut = 1,
Event_OnScreenMessage,
Event_OnScreenReply
};
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);
int onScreenReply(const char* reply_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();
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 */
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