zaply/pages/overlay.templ
2025-01-24 20:04:15 +01:00

119 lines
5.1 KiB
Plaintext

package pages
import "github.com/skip2/go-qrcode"
import "encoding/base64"
templ Overlay(lnurl string, lnaddr string) {
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>zaply</title>
<link href="/css/tailwind.css" rel="stylesheet">
<link href="/css/zap.css" rel="stylesheet">
<script src={ GetBaseUrl(ctx) + "/js/htmx.min.js" } integrity="sha384-HGfztofotfshcF7+8n44JQL2oJmowVChPTg48S+jvZoztPfvwD79OC/LTtG6dMp+" crossorigin="anonymous"></script>
<script src={ GetBaseUrl(ctx) + "/js/htmx-sse.js" } crossorigin="anonymous"></script>
if GetEnv(ctx) == "development" {
<script src={ GetBaseUrl(ctx) + "/js/livereload.js" }></script>
}
</head>
<body>
<div
id="zap-container"
hx-ext="sse"
sse-connect="/overlay/sse"
sse-swap="zap"
hx-swap="beforeend"
class="fixed bottom-0 right-0 cursor-move"
draggable="true"
>
<div class="hidden items-center justify-center text-center border border-dashed border-[#212529] m-3 h-[64px] w-[384px] text-lg">
zap messages will show up here
</div>
</div>
<div id="qr" class="bg-white fixed bottom-0 left-0 text-center p-3 cursor-move" draggable="true">
<div class="p-2">
<div class="font-bold">{ lnaddr }</div>
<img src={ "data:image/jpeg;base64," + qrEncode(lnurl) }/>
</div>
<div class="italic">zap us a message!</div>
</div>
<script>
// zap messages disappear after a minute
document.body.addEventListener('htmx:sseMessage', function (e) {
setTimeout(() => {
const div = document.getElementById(e.detail.lastEventId)
div.classList.add('zap-animate-out')
div.addEventListener('animationend', div.remove)
}, 60_000)
})
function enableDrag(elementId, xParam, yParam) {
const element = document.getElementById(elementId);
const localStorageKey = `${elementId}-position`
const urlParams = new URLSearchParams(window.location.search);
let queryX = parseInt(urlParams.get(xParam));
let queryY = parseInt(urlParams.get(yParam));
const [localX,localY] = localStorage.getItem(localStorageKey)?.split(',').map(Number) ?? [0,0];
let currentX = !isNaN(queryX) ? queryX : localX;
let currentY = !isNaN(queryY) ? queryY : localY;
element.style.transform = `translate(${currentX}px, ${currentY}px)`;
let startX = 0;
let startY = 0;
element.addEventListener("dragstart", (e) => {
console.log("dragstart", e)
startX = e.clientX - currentX;
startY = e.clientY - currentY;
e.dataTransfer.setData("text/plain", `${currentX},${currentY}`);
});
element.addEventListener("drag", (e) => {
if (e.clientX && e.clientY) {
currentX = e.clientX - startX;
currentY = e.clientY - startY;
element.style.transform = `translate(${currentX}px, ${currentY}px)`;
}
});
element.addEventListener("dragend", (e) => {
currentX = e.clientX - startX;
currentY = e.clientY - startY;
element.style.transform = `translate(${currentX}px, ${currentY}px)`;
localStorage.setItem(localStorageKey, `${currentX},${currentY}`);
const params = new URLSearchParams(window.location.search);
params.set(xParam, currentX);
params.set(yParam, currentY);
window.location.search = params.toString();
});
}
enableDrag("qr", "qrX", "qrY")
enableDrag("zap-container", "zapX", "zapY")
// hide 'zap messages will show up here' if query param given
const params = new URLSearchParams(window.location.search)
if (params.has("help", 1)) {
const element = document.querySelector("#zap-container>div")
element.style.display = "flex"
}
</script>
</body>
</html>
}
func qrEncode(value string) string {
q, err := qrcode.New(value, qrcode.Medium)
q.DisableBorder = true
png, err := q.PNG(256)
if err != nil {
return ""
}
return base64.StdEncoding.EncodeToString([]byte(png))
}