73 lines
1.8 KiB
JavaScript
73 lines
1.8 KiB
JavaScript
/*
|
|
content script running on youtube.com
|
|
*/
|
|
|
|
console.log("running script.js");
|
|
|
|
let browserType = getBrowser();
|
|
|
|
setTimeout(function(){
|
|
console.log("running setimeout")
|
|
linkFinder();
|
|
return false;
|
|
}, 2000);
|
|
|
|
|
|
// boilerplate to dedect browser type api
|
|
function getBrowser() {
|
|
if (typeof chrome !== "undefined") {
|
|
if (typeof browser !== "undefined") {
|
|
console.log("detected firefox");
|
|
return browser;
|
|
} else {
|
|
console.log("detected chrome");
|
|
return chrome;
|
|
}
|
|
} else {
|
|
console.log("failed to dedect browser");
|
|
throw "browser detection error"
|
|
};
|
|
}
|
|
|
|
|
|
// event handler for download task
|
|
function addToDownload(videoId) {
|
|
|
|
console.log(`downloading ${videoId}`);
|
|
let payload = {
|
|
"download": {
|
|
"videoId": videoId
|
|
}
|
|
};
|
|
|
|
browserType.runtime.sendMessage(payload);
|
|
|
|
}
|
|
|
|
|
|
// find relevant links to add a button to
|
|
function linkFinder() {
|
|
|
|
console.log("running link finder");
|
|
|
|
var allLinks = document.links;
|
|
for (let i = 0; i < allLinks.length; i++) {
|
|
|
|
const linkItem = allLinks[i];
|
|
const linkDest = linkItem.getAttribute("href");
|
|
|
|
if (linkDest.startsWith("/watch?v=") && linkItem.id == "video-title") {
|
|
var dlButton = document.createElement("button");
|
|
dlButton.innerText = "download";
|
|
var videoId = linkDest.split("=")[1];
|
|
dlButton.setAttribute("data-id", videoId);
|
|
dlButton.setAttribute("id", "ta-dl-" + videoId);
|
|
dlButton.onclick = function(event) {
|
|
var videoId = this.getAttribute("data-id");
|
|
addToDownload(videoId);
|
|
};
|
|
linkItem.parentElement.appendChild(dlButton);
|
|
}
|
|
}
|
|
}
|