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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.
 */

#include "homescreenhandler.h"
#include <functional>
#include "hmi-debug.h"

void* HomescreenHandler::myThis = 0;

HomescreenHandler::HomescreenHandler(QObject *parent) :
    QObject(parent),
    mp_hs(NULL)
{

}

HomescreenHandler::~HomescreenHandler()
{
    if (mp_hs != NULL) {
        delete mp_hs;
    }
}

void HomescreenHandler::init(int port, const char *token)
{
    mp_hs = new LibHomeScreen();
    mp_hs->init(port, token);

    myThis = this;

    mp_hs->registerCallback(nullptr, HomescreenHandler::onRep_static);

    mp_hs->set_event_handler(LibHomeScreen::Event_OnScreenMessage, [this](json_object *object){
        const char *display_message = json_object_get_string(
            json_object_object_get(object, "display_message"));
        HMI_DEBUG("HomeScreen","set_event_handler Event_OnScreenMessage display_message = %s", display_message);
    });

}

void HomescreenHandler::tapShortcut(QString application_id)
{
    HMI_DEBUG("HomeScreen","tapShortcut %s", application_id.toStdString().c_str());
    mp_hs->tapShortcut(application_id.toStdString().c_str());
}

void HomescreenHandler::onRep_static(struct json_object* reply_contents)
{
    static_cast<HomescreenHandler*>(HomescreenHandler::myThis)->onRep(reply_contents);
}

void HomescreenHandler::onEv_static(const string& event, struct json_object* event_contents)
{
    static_cast<HomescreenHandler*>(HomescreenHandler::myThis)->onEv(event, event_contents);
}

void HomescreenHandler::onRep(struct json_object* reply_contents)
{
    const char* str = json_object_to_json_string(reply_contents);
    HMI_DEBUG("HomeScreen","HomeScreen onReply %s", str);
}

void HomescreenHandler::onEv(const string& event, struct json_object* event_contents)
{
    const char* str = json_object_to_json_string(event_contents);
    HMI_DEBUG("HomeScreen","HomeScreen onEv %s, contents: %s", event.c_str(), str);

    if (event.compare("homescreen/on_screen_message") == 0) {
        struct json_object *json_data = json_object_object_get(event_contents, "data");
        struct json_object *json_display_message = json_object_object_get(json_data, "display_message");
        const char* display_message = json_object_get_string(json_display_message);

        HMI_DEBUG("HomeScreen","display_message = %s", display_message);
    }
}