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/*
* Copyright (C) 2020 MERA
*
* 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 "mainwindow.h"
#include "ui_mainwindow.h"
#include <QDebug>
#include <unistd.h>
#include <sys/stat.h>
#include <nlohmann/json.hpp>
#include <libcloudproxy.h>
extern CloudProxyClient* g_cloudproxyclient;
MainWindow::MainWindow(double scale_factor, QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(scale_factor, this);
//AGL style
setWindowFlags(Qt::FramelessWindowHint | Qt::WindowSystemMenuHint);
this->setStyleSheet(
"background-image:url(:/images/AGL_HMI_Blue_Background_NoCar-01.png) 0 0 0 0 stretch stretch; background: transparent;" );
}
void MainWindow::updateState(QVariant recvMsg)
{
if (!recvMsg.isValid())
return;
// expected format: {"message": "bla-bla"}
std::string cloud_msg;
try
{
const std::string& msg = recvMsg.toString().toStdString();
if (msg.empty())
{
qDebug() << "Received message is empty";
}
else
{
const nlohmann::json& jmsg = nlohmann::json::parse(msg);
cloud_msg = jmsg["message"].get<std::string>();
}
}
catch (std::exception& ex)
{
qDebug() << "Can't parse incomming message: " << ex.what();
}
QString str = QString::asprintf("Cloud message: %s", cloud_msg.c_str());
ui->stateLabel->setText(str);
}
void MainWindow::updateSendStatus(bool status)
{
static bool init{false}, prev{false};
if (!init || prev != status)
{
init = true;
prev = status;
QString str = QString::asprintf("Connection status: %s", (status ? "OK" : "ERROR"));
ui->sendStatusLabel->setText(str);
}
}
void MainWindow::startMsgButtonClick()
{
qDebug() << "MainWindow::startMsgButtonClick()";
if (started)
ui->startMsgButton->setText("Start");
else
ui->startMsgButton->setText("Stop");
started = !started;
if (worker)
{
worker->stop();
worker.reset();
qDebug() << "Worker destroyed";
}
if (started)
{
worker.reset(new TelemetryWorker(g_cloudproxyclient, this));
connect(worker.get(), SIGNAL(timeout()), worker.get(), SLOT(send()));
worker->start(1001);
}
}
MainWindow::~MainWindow()
{
delete ui;
}
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