249 lines
11 KiB
Plaintext
249 lines
11 KiB
Plaintext
package pages
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import "github.com/skip2/go-qrcode"
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import "encoding/base64"
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templ Overlay(lnurl string, lnaddr string) {
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<html>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>zaply</title>
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<link href="/css/tailwind.css" rel="stylesheet">
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<link href="/css/zap.css" rel="stylesheet">
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<script src={ GetBaseUrl(ctx) + "/js/htmx.min.js" } integrity="sha384-HGfztofotfshcF7+8n44JQL2oJmowVChPTg48S+jvZoztPfvwD79OC/LTtG6dMp+" crossorigin="anonymous"></script>
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<script src={ GetBaseUrl(ctx) + "/js/htmx-sse.js" } crossorigin="anonymous"></script>
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if GetEnv(ctx) == "development" {
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<script src={ GetBaseUrl(ctx) + "/js/livereload.js" }></script>
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}
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<style id="zap-custom-css"></style>
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</head>
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<body>
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<div id="controls" class="hidden grid grid-cols-[auto_auto] fixed top-0 left-0 items-center gap-3 m-3">
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<label for="qr-scale-slider" class="text-black">QR code size:</label>
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<input
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type="range"
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id="qr-scale-slider"
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min="0.5"
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max="5"
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step="0.1"
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value="1.0"
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class="w-32 accent-teal"
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/>
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<label for="zap-scale-slider" class="text-black">Zap message size:</label>
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<input
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type="range"
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id="zap-scale-slider"
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min="1"
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max="10"
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step="1"
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value="1.0"
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class="w-32 accent-teal"
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/>
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<label for="stream-url" class="text-black">Stream URL:</label>
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<a id="stream-url" class="text-sky-600 hover:text-sky-900 underline">click me</a>
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</div>
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<div
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id="zap-container"
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hx-ext="sse"
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sse-connect="/overlay/sse"
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sse-swap="zap"
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hx-swap="beforeend"
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class="fixed bottom-0 right-0 cursor-move"
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draggable="true"
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>
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<div id="zap-template" class="hidden items-center justify-center text-center border border-dashed border-[#212529] m-0 p-3 w-fit">
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zap messages will show up here
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</div>
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</div>
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<div id="qr" class="bg-white fixed bottom-0 left-0 text-center p-3 cursor-move" draggable="true">
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<div id="qr-scaler">
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<div class="p-2">
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<div class="font-bold">{ lnaddr }</div>
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<img src={ "data:image/jpeg;base64," + qrEncode(lnurl) }/>
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</div>
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<div class="italic">zap us a message!</div>
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</div>
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</div>
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<script>
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// zap messages disappear after a minute
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document.body.addEventListener('htmx:sseMessage', function (e) {
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setTimeout(() => {
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const div = document.getElementById(e.detail.lastEventId)
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div.classList.add('zap-animate-out')
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div.addEventListener('animationend', div.remove)
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}, 60_000)
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})
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function enableDrag(elementId, xParam, yParam) {
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const element = document.getElementById(elementId);
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const localStorageKey = `${elementId}-position`
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const urlParams = new URLSearchParams(window.location.search);
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let queryX = parseInt(urlParams.get(xParam));
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let queryY = parseInt(urlParams.get(yParam));
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const [localX,localY] = localStorage.getItem(localStorageKey)?.split(',').map(Number) ?? [0,0];
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let currentX = !isNaN(queryX) ? queryX : localX;
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let currentY = !isNaN(queryY) ? queryY : localY;
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element.style.transform = `translate(${currentX}px, ${currentY}px)`;
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let startX = 0;
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let startY = 0;
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element.addEventListener("dragstart", (e) => {
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console.log("dragstart", e)
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startX = e.clientX - currentX;
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startY = e.clientY - currentY;
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e.dataTransfer.setData("text/plain", `${currentX},${currentY}`);
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});
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element.addEventListener("drag", (e) => {
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if (e.clientX && e.clientY) {
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currentX = e.clientX - startX;
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currentY = e.clientY - startY;
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element.style.transform = `translate(${currentX}px, ${currentY}px)`;
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}
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});
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element.addEventListener("dragend", (e) => {
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currentX = e.clientX - startX;
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currentY = e.clientY - startY;
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element.style.transform = `translate(${currentX}px, ${currentY}px)`;
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localStorage.setItem(localStorageKey, `${currentX},${currentY}`);
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const params = new URLSearchParams(window.location.search);
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params.set(xParam, currentX);
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params.set(yParam, currentY);
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window.location.search = params.toString();
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});
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}
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enableDrag("qr", "qrX", "qrY")
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enableDrag("zap-container", "zapX", "zapY")
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// hide 'zap messages will show up here' if query param given
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function showControls() {
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document.querySelector('#zap-template').style.display = "flex";
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document.querySelector('#controls').style.display = "grid";
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}
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const params = new URLSearchParams(window.location.search)
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if (!params.has("stream", 1) && (!params.has("config") || params.has("config", 1))) {
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showControls()
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}
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function enableSlider(sliderId, elementId, param, onChange) {
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const slider = document.getElementById(sliderId);
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const target = document.getElementById(elementId);
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const initialValue = localStorage.getItem(param) ?? 1.0;
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slider.value = initialValue;
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onChange(target, initialValue);
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let timeout
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slider.oninput = function (e) {
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const value = e.target.value
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clearTimeout(timeout);
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localStorage.setItem(param, value);
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onChange(target, value);
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updateStreamUrl();
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timeout = setTimeout(() => {
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const params = new URLSearchParams(window.location.search);
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params.set(param, value);
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window.location.search = params.toString();
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}, 1_000);
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}
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}
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enableSlider('qr-scale-slider', 'qr-scaler', 'qrScale', (element, value) => {
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element.style.transform = `scaleX(${value}) scaleY(${value})`;
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})
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enableSlider('zap-scale-slider', 'zap-custom-css', 'zapScale', (element, value) => {
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// https://tailwindcss.com/docs/font-size
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const description = {
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1.0: 'font-size: 18px', // text-lg
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2.0: 'font-size: 20px', // text-xl
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3.0: 'font-size: 24px', // text-2xl
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4.0: 'font-size: 30px', // text-3xl
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5.0: 'font-size: 36px', // text-4xl
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6.0: 'font-size: 48px', // text-5xl
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7.0: 'font-size: 60px', // text-6xl
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8.0: 'font-size: 72px', // text-7xl
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9.0: 'font-size: 96px', // text-8xl
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10.0: 'font-size: 120px', // text-9xl
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}
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const amount = {
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1.0: 'font-size: 14px', // text-sm
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2.0: 'font-size: 16px', // text-base
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3.0: 'font-size: 18px', // text-lg
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4.0: 'font-size: 20px', // text-xl
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5.0: 'font-size: 24px', // text-2xl
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6.0: 'font-size: 30px', // text-3xl
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7.0: 'font-size: 36px', // text-4xl
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8.0: 'font-size: 48px', // text-5xl
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9.0: 'font-size: 60px', // text-6xl
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10.0: 'font-size: 72px', // text-7xl
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}
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const svg = {
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1.0: 'width: 32px; height: 32px',
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2.0: 'width: 40px; height: 40px',
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3.0: 'width: 48px; height: 48px',
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4.0: 'width: 56px; height: 56px',
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5.0: 'width: 64px; height: 64px',
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6.0: 'width: 72px; height: 72px',
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7.0: 'width: 80px; height: 80px',
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8.0: 'width: 88px; height: 88px',
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9.0: 'width: 96px; height: 96px',
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10.0: 'width: 104px; height: 104px',
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}
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element.textContent = `
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#zap-template {
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${description[value]}
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}
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.zap-description {
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${description[value]}
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}
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.zap-amount {
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${amount[value]}
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}
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.zap-svg {
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${svg[value]}
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}
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`;
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})
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function updateStreamUrl() {
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const params = new URLSearchParams({ stream: 1 });
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const [qrX,qrY] = localStorage.getItem('qr-position')?.split(',').map(Number) ?? [0,0];
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params.set("qrX", qrX);
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params.set("qrY", qrY);
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const [zapX,zapY] = localStorage.getItem('zap-container-position')?.split(',').map(Number) ?? [0,0];
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params.set("zapX", zapX);
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params.set("zapY", zapY);
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const qrScale = localStorage.getItem('qrScale') ?? 1.0;
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params.set("qrScale", qrScale);
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const zapScale = localStorage.getItem('zapScale') ?? 1.0;
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params.set("zapScale", zapScale);
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const streamUrl = `${window.location.origin}${window.location.pathname}?${params.toString()}`
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const element = document.getElementById('stream-url');
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element.href = streamUrl;
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element.textContent = '/overlay?' + params.toString();
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}
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updateStreamUrl();
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</script>
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</body>
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</html>
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}
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func qrEncode(value string) string {
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q, err := qrcode.New(value, qrcode.Medium)
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q.DisableBorder = true
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png, err := q.PNG(256)
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if err != nil {
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return ""
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}
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return base64.StdEncoding.EncodeToString([]byte(png))
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}
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