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ready_test.html
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ready_test.html
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<html>
<head>
<title>Signals Sample</title>
<style>
body {
overflow: hidden;
position: absolute;
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
}
.wrapper {
width: 30%;
display: flex;
flex-direction: column;
gap: 1rem;
justify-content: center;
align-items: center;
background-color: white;
}
.container {
width: 100%;
text-align: left;
font-size: large;
font-weight: bold;
padding: 1rem;
}
.result {
display: flex;
flex-direction: row;
justify-content: space-between;
padding: 1rem;
}
.result-title {
font-weight: bold;
font-size: medium;
}
.result-text {
font-weight: normal;
font-size: medium;
}
.progress-bar {
width: 80%;
margin-top: 1rem;
background-color: #e0e0e0;
border-radius: 3px;
box-shadow: inset 0 1px 3px rgba(0, 0, 0, .2);
}
.progress-bar-fill {
display: block;
height: 22px;
background-color: #659cef;
border-radius: 3px;
transition: width 100ms ease-out;
}
</style>
<script language="JavaScript">
const tStart = 3; // s
const tBad = 1; // s
const tDur = 5; // s
const dt = 0.1; // s
const totalTime = tStart + tDur;
let time = 0;
let remTime = totalTime;
function sendMessage(msg) {
// Send "command" to renderer process in CEF, which gets routed to
// the main thread
const signals = document.getElementById("signals");
const response = document.getElementById("response");
showResult(signals, msg, "msg");
window.gstSendMsg({
request: msg,
onSuccess: function(response) {
try {
const json = JSON.parse(response);
showResult(response, json, "response");
if (json && json.success && json.cmd === "ready") {
console.log("got response to READY from cefsrc");
}
} catch (e) {
console.error("parse error", e);
}
},
onFailure: function(error_code, error_message) {
try {
const json = JSON.parse(error_message);
showResult(response, JSON.stringify(json), "error");
} catch (e) {
console.error("parse error", e);
}
}
});
}
function showResult(element, msg, title) {
element.innerHTML +=
"<br />" +
`<div class="result">` +
`<div class="result-title">${title} at ${(time + dt).toFixed(1)}s: </div>` +
`<div class="result-text">${msg}</div>` +
`</div>`;
}
console.log(`sending 'ready' signal in ${tStart}s...`);
setTimeout(() => {
console.log("sending 'ready' signal");
sendMessage("ready");
}, tStart * 1000);
setTimeout(() => {
console.log("sending eos signal");
sendMessage("eos");
}, (tStart + tDur) * 1000);
setTimeout(() => {
console.log("sending test 'bad' signal");
sendMessage("bad");
}, (tStart + tBad) * 1000);
setInterval(() => {
document.getElementById("timer").innerHTML =
`countdown: ${remTime.toFixed(1)}s` + "<br />" +
`running: ${time.toFixed(1)}s`;
document.getElementById("progress").style.width =
`${Math.max((remTime / totalTime), 0) * 100}%`;
time += dt;
remTime -= dt;
}, dt * 1000);
</script>
</head>
<body>
<div class="wrapper">
<div id="signals" class="container" style="background-color: #32a852;">
Signals:
</div>
<div id="response" class="container" style="background-color: #8c8edb;">
Responses:
</div>
<div id="timer" class="container" style="background-color: #ff775c;"></div>
<div class="progress-bar">
<span id="progress" class="progress-bar-fill" style="width: 100%;"></span>
</div>
</div>
</body>
</html>