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/*
* Copyright (c) 2018 TOYOTA MOTOR CORPORATION
* Copyright (C) 2016 The Qt Company Ltd.
*
* 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.
*/
import QtQuick 2.6
import QtQuick.Layouts 1.1
import QtQuick.Controls 2.0
import QtWebSockets 1.0
ApplicationWindow {
id: window
title: "HUD Speed Demo"
width: 480
height: 180
visible: true
property string api_str: "low-can"
property string verb_str: "subscribe"
property var msgid_enu: { "call":2, "retok":3, "reterr":4, "event":5 }
property string request_str: ""
property string status_str: ""
property double speed_val: 0
WebSocket {
id: websocket
url: bindingAddress
onStatusChanged: {
if (websocket.status === WebSocket.Error){
console.log ("Error: " + websocket.errorString)
websocket.active = false
}else if (websocket.status === WebSocket.Open){
console.log ("Socket Open")
do_subscribe()
}else if (websocket.status === WebSocket.Closed){
console.log ("Socket closed")
}
}
onTextMessageReceived: {
var message_json = JSON.parse(message)
console.log ("Raw response: " + message)
console.log ("JSON response: " + message_json)
if (message_json[0] === msgid_enu.event){
//get speed from low-can app
var property_name = message_json[2].event.split("/")[1]
if(property_name === "messages.vehicle.average.speed") {
speed_val = message_json[2].data.value
console.log ("speed_val: " + speed_val)
}
}
else{
if (message_json[0] !== msgid_enu.retok) {
console.log ("Return value is not ok !")
return
}
}
/* refresh happen */
}
active: true
}
//subscribe
function do_subscribe() {
request_str ='[' + msgid_enu.call + ',"99998","' + api_str +'/'+ verb_str +'",{ \"event\" : \"vehicle.average.speed\" } ]';
websocket.sendTextMessage (request_str)
}
Rectangle {
color: '#111111'
anchors.fill: parent
Label {
id: speed
anchors.left: parent.left
anchors.top: parent.top
text: speed_val.toFixed(0)
font.pixelSize: parent.height*4/5
color: "white"
}
Label {
id: unit
anchors.right: parent.right
anchors.bottom: parent.bottom
text: 'MPH'
font.pixelSize: parent.height/5
}
}
}
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