lbry.tech/app/components/client/tour-scripts.js

354 lines
11 KiB
JavaScript

/* global $, send */ "use strict";
initializeTour();
if (window.location.href.search && window.location.href.split("?url=")[1]) { // pre-fill example one if search parameter exists
const searchParameter = window.location.href.split("?url=")[1];
fetchMetadata(1, searchParameter);
}
document.querySelector("body").addEventListener("click", event => {
if (event.target.dataset.action) {
event.preventDefault();
document.querySelector(".tour").classList.add("waiting");
handleExamples(event.target);
}
if (
event.explicitOriginalTarget.classList &&
event.explicitOriginalTarget.classList[0] === "tour__content__meme__canvas__thumbnail"
) {
for (const thumbnail of document.querySelectorAll(".tour__content__meme__canvas__thumbnail")) {
thumbnail.classList.remove("selected");
}
event.explicitOriginalTarget.classList.add("selected");
updateCanvas(event.explicitOriginalTarget);
}
});
document.getElementById("fetch-claim-uri").addEventListener("keyup", event => {
const key = event.keyCode ? event.keyCode : event.which;
switch(true) {
case (document.querySelector("[data-example='1']").classList.contains("active")):
if (
key === 13 &&
document.getElementById("fetch-claim-uri").value.length > 0
) fetchMetadata(1, document.getElementById("fetch-claim-uri").value);
break;
case (document.querySelector("[data-example='3']").classList.contains("active")):
if (
key === 13 &&
document.getElementById("fetch-claim-uri").value.length > 0
) fetchMetadata(3, document.getElementById("fetch-claim-uri").value);
break;
}
});
document.querySelector("body").addEventListener("keyup", event => {
if (
event.target.id === "meme-top-line" ||
event.target.id === "meme-bottom-line"
) updateCanvas();
});
// H E L P E R S
function clearCanvas(canvas) {
const ctx = canvas.getContext("2d");
ctx.save();
ctx.globalCompositeOperation = "copy";
ctx.strokeStyle = "transparent";
ctx.beginPath();
ctx.lineTo(0, 0);
ctx.stroke();
ctx.restore();
}
function detectLanguageAndUpdate() { // eslint-disable-line
const compare = (array1, array2) => array2.filter(value => array2.indexOf(value)); // compare two arrays and get match(es)
const memeLocaleObject = $("#meme-language").children();
const memeLocales = [];
const userLocales = [];
for (const language of navigator.languages) userLocales.push(language);
for (const key in memeLocaleObject) {
if (memeLocaleObject[key] && memeLocaleObject[key].value) memeLocales.push(memeLocaleObject[key].value);
}
if (
memeLocales.length &&
userLocales.length &&
compare(memeLocales, userLocales).length
) $("#meme-language").children(`option[value="${compare(memeLocales, userLocales)[0]}"]`).attr("selected", true);
}
function debounce(func, wait, immediate) {
let timeout;
return function () {
const context = this;
const args = arguments;
const later = () => {
timeout = null;
if (!immediate) func.apply(context, args);
};
const callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
if (callNow) func.apply(context, args);
};
}
function initializeTour() {
document.querySelector(".tour").classList.add("waiting");
document.querySelector("#fetch-claim-uri").value = "";
document.querySelector("#fetch-claim-uri").focus();
document.querySelector(".tour__navigation__example:nth-child(1)").classList.add("active");
send(JSON.stringify({
"message": "landed on tour"
}));
setTimeout(() => {
document.querySelector(".tour__navigation__example:nth-child(1)").click();
}, 300);
}
function fetchMetadata(exampleNumber, data) {
if (!exampleNumber) return;
switch(exampleNumber) {
case 1:
send(JSON.stringify({
"claim": data,
"message": "fetch metadata",
"method": "resolve",
"example": exampleNumber
}));
$("#fetch-claim-uri").val(data);
$("#tour-results").html(`
<pre><code class="language-bash">
<span class="token comment"># With the LBRY app/daemon running locally, you can use this in your Terminal</span>
curl --header <span class="token string">"Content-Type: application/json"</span> --data <span class="token string">'{ "method": "resolve", "params": { "uri": "${data}" }}'</span> <span class="token url">http://localhost:5279 </span>
</code></pre>
<div class="loader" id="temp-loader"></div>
<div id="example1-result"></div>
`);
$("#tour-loader").hide();
break;
case 2:
send(JSON.stringify({
"data": data,
"message": "fetch metadata",
"method": "publish",
"example": exampleNumber
}));
$("#tour-results").html(`
<pre><code class="language-bash">
<span class="token comment"># This will be updated soon</span>
</code></pre>
<div class="loader" id="temp-loader"></div>
<div id="example2-result"></div>
`);
$("#tour-loader").hide();
break;
case 3:
send(JSON.stringify({
"claim": data,
"message": "fetch metadata",
"method": "wallet_send",
"example": exampleNumber
}));
$("#fetch-claim-uri").val(data);
$("#tour-results").html(`
<pre><code class="language-bash">
<span class="token comment"># With the LBRY app/daemon running locally, you can use this in your Terminal</span>
curl --header <span class="token string">"Content-Type: application/json"</span> --data <span class="token string">'{ "method": "wallet_send", "params": { "amount": "0.01", "claim_id": "${data}" }}'</span> <span class="token url">http://localhost:5279 </span>
</code></pre>
<div class="loader" id="temp-loader"></div>
<div id="example3-result"></div>
`);
$("#tour-loader").hide();
break;
default:
break;
}
}
function getMemeInfo() { // TODO: Error handling
const info = {
description: $("#meme-description").val(),
file_path: $("#meme-canvas")[0].toDataURL("image/jpeg", 0.6),
language: $("#meme-language").val(),
license: $("#meme-license").val(),
name: $("#meme-title").val(),
nsfw: $("#meme-nsfw-flag")[0].checked,
title: $("#meme-title").val()
};
return info;
}
const handleExamples = debounce(event => {
let exampleNumber;
const data = event.dataset;
if (!parseInt($(".tour__navigation__example.active")[0].dataset.example)) return;
exampleNumber = parseInt($(".tour__navigation__example.active")[0].dataset.example);
switch(data.action) {
case "choose claim":
fetchMetadata(exampleNumber, data.claimId);
break;
case "execute claim":
if (!$("#fetch-claim-uri").val()) return;
fetchMetadata(exampleNumber, $("#fetch-claim-uri").val());
break;
case "tour, example 1":
if ($("#tour-loader").hasClass("tour__content__meme")) {
$("#tour-loader").removeClass("tour__content__meme").addClass("tour__content__trends");
}
$("#fetch-claim-uri").val(""); // reset URL bar
$("#tour-url button").text("Resolve");
if ($("#tour-url")[0].style.display === "none") $("#tour-url").show();
$(".tour__navigation__example").removeClass("active");
$(".tour__navigation__example:nth-child(1)").addClass("active");
$("#tour-loader").empty().show();
$("#tour-results").empty().show();
send(JSON.stringify({
"message": `request for ${data.action}`
}));
break;
case "tour, example 2":
if ($("#tour-loader").hasClass("tour__content__trends")) {
$("#tour-loader").removeClass("tour__content__trends").addClass("tour__content__meme");
}
$("#fetch-claim-uri").val(""); // reset URL bar
$("#tour-url").hide();
$(".tour__navigation__example").removeClass("active");
$(".tour__navigation__example:nth-child(2)").addClass("active");
$("#tour-loader").empty().show();
$("#tour-results").empty().show();
send(JSON.stringify({
"message": `request for ${data.action}`
}));
break;
case "tour, example 3":
if ($("#tour-loader").hasClass("tour__content__meme")) {
$("#tour-loader").removeClass("tour__content__meme").addClass("tour__content__trends");
}
$("#fetch-claim-uri").val(""); // reset URL bar
$("#tour-url button").text("Tip");
// $("#tour-url").after("<p>In the LBRY app, you can financially support your favorite creators by donating LBRY Coin (LBC). In this example, we are donating LBC in your stead.</p>");
if ($("#tour-url")[0].style.display === "none") $("#tour-url").show();
$(".tour__navigation__example").removeClass("active");
$(".tour__navigation__example:nth-child(3)").addClass("active");
$("#tour-loader").empty().show();
$("#tour-results").empty().show();
send(JSON.stringify({
"message": `request for ${data.action}`
}));
break;
case "upload image":
fetchMetadata(exampleNumber, getMemeInfo());
break;
default:
break;
}
}, 10);
function initCanvas() { // eslint-disable-line
const canvas = document.getElementById("meme-canvas");
const canvasWidth = 400;
const canvasHeight = 300;
const ctx = canvas.getContext("2d");
const img = document.getElementById("base-image");
clearCanvas(canvas);
ctx.drawImage(img, 0, 0, canvasWidth, canvasHeight, 0, 0, canvasWidth, canvasHeight);
ctx.fillStyle = "white";
ctx.font = "bold 28px Karla";
ctx.lineJoin = "round";
ctx.lineWidth = 4;
ctx.strokeStyle = "black";
ctx.textAlign = "center";
ctx.textBaseline = "top";
ctx.strokeText($("#meme-top-line").val().toUpperCase(), canvasWidth / 2, 20);
ctx.strokeText($("#meme-bottom-line").val().toUpperCase(), canvasWidth / 2, (canvasHeight - 40));
ctx.fillText($("#meme-top-line").val().toUpperCase(), canvasWidth / 2, 20);
ctx.fillText($("#meme-bottom-line").val().toUpperCase(), canvasWidth / 2, (canvasHeight - 40));
}
function updateCanvas(imageSource) {
const canvas = document.getElementById("meme-canvas");
const canvasWidth = 400;
const canvasHeight = 300;
const ctx = canvas.getContext("2d");
const img = document.getElementById("base-image");
clearCanvas(canvas);
if (imageSource) {
ctx.drawImage(imageSource, 0, 0, canvasWidth, canvasHeight, 0, 0, canvasWidth, canvasHeight);
img.src = imageSource.src;
} ctx.drawImage(img, 0, 0, canvasWidth, canvasHeight, 0, 0, canvasWidth, canvasHeight);
ctx.strokeText($("#meme-top-line").val().toUpperCase(), canvasWidth / 2, 20);
ctx.strokeText($("#meme-bottom-line").val().toUpperCase(), canvasWidth / 2, (canvasHeight - 40));
ctx.fillText($("#meme-top-line").val().toUpperCase(), canvasWidth / 2, 20);
ctx.fillText($("#meme-bottom-line").val().toUpperCase(), canvasWidth / 2, (canvasHeight - 40));
}