restructure functions
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@ -4,32 +4,6 @@ content script running on youtube.com
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'use strict';
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let browserType = getBrowser();
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// boilerplate to dedect browser type api
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function getBrowser() {
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if (typeof chrome !== 'undefined') {
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if (typeof browser !== 'undefined') {
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console.log('detected firefox');
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return browser;
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} else {
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console.log('detected chrome');
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return chrome;
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}
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} else {
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console.log('failed to dedect browser');
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throw 'browser detection error';
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}
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}
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async function sendMessage(message) {
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let { success, value } = await browserType.runtime.sendMessage(message);
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if (!success) {
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throw value;
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}
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return value;
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}
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const downloadIcon = `<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
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viewBox="0 0 500 500" style="enable-background:new 0 0 500 500;" xml:space="preserve">
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<style type="text/css">
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@ -113,7 +87,102 @@ viewBox="0 0 500 500" style="enable-background:new 0 0 500 500;" xml:space="pres
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const defaultIcon = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><title>minus-thick</title><path d="M20 14H4V10H20" /></svg>`;
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function buildButtonDiv() {
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let browserType = getBrowser();
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// boilerplate to dedect browser type api
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function getBrowser() {
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if (typeof chrome !== 'undefined') {
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if (typeof browser !== 'undefined') {
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console.log('detected firefox');
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return browser;
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} else {
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console.log('detected chrome');
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return chrome;
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}
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} else {
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console.log('failed to dedect browser');
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throw 'browser detection error';
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}
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}
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function getChannelContainers() {
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let nodes = document.querySelectorAll('#inner-header-container, #owner');
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return nodes;
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}
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function ensureTALinks() {
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let channelContainerNodes = getChannelContainers();
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for (let channelContainer of channelContainerNodes) {
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channelContainer = adjustOwner(channelContainer);
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if (channelContainer.hasTA) continue;
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let channelButton = buildChannelButton(channelContainer);
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channelContainer.appendChild(channelButton);
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channelContainer.hasTA = true;
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}
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let titleContainerNodes = getTitleContainers();
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for (let titleContainer of titleContainerNodes) {
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if (titleContainer.hasTA) continue;
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let videoButton = buildVideoButton(titleContainer);
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if (videoButton == null) continue;
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processTitle(titleContainer);
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titleContainer.appendChild(videoButton);
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titleContainer.hasTA = true;
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}
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}
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// fix positioning of #owner div to fit new button
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function adjustOwner(channelContainer) {
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let sponsorButton = channelContainer.querySelector('#sponsor-button');
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if (sponsorButton === null) {
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return channelContainer;
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}
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let variableMinWidth;
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if (sponsorButton.hasChildNodes()) {
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variableMinWidth = '140px';
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} else {
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variableMinWidth = '45px';
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}
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Object.assign(channelContainer.firstElementChild.style, {
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minWidth: variableMinWidth,
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});
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Object.assign(channelContainer.style, {
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minWidth: 'calc(40% + 50px)',
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});
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return channelContainer;
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}
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function buildChannelButton(channelContainer) {
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let channelHandle = getChannelHandle(channelContainer);
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let buttonDiv = buildChannelButtonDiv();
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let subLink = buildChannelSubLink(channelHandle);
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buttonDiv.appendChild(subLink);
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let spacer = buildSpacer();
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buttonDiv.appendChild(spacer);
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let dlLink = buildChannelDownloadLink();
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buttonDiv.appendChild(dlLink);
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return buttonDiv;
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}
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function getChannelHandle(channelContainer) {
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const channelHandleContainer = document.querySelector('#channel-handle');
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let channelHandle = channelHandleContainer ? channelHandleContainer.innerText : null;
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if (!channelHandle) {
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let href = channelContainer.querySelector('.ytd-video-owner-renderer').href;
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const urlObj = new URL(href);
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channelHandle = urlObj.pathname.split('/')[1];
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}
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return channelHandle;
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}
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function buildChannelButtonDiv() {
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let buttonDiv = document.createElement('div');
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buttonDiv.classList.add('ta-channel-button');
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@ -130,7 +199,7 @@ function buildButtonDiv() {
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return buttonDiv;
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}
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function buildSubLink(channelHandle) {
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function buildChannelSubLink(channelHandle) {
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let subLink = document.createElement('span');
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subLink.innerText = 'Subscribe';
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subLink.title = `TA Subscribe: ${channelHandle}`;
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@ -164,7 +233,7 @@ function buildSpacer() {
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return spacer;
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}
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function buildDlLink() {
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function buildChannelDownloadLink() {
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let dlLink = document.createElement('span');
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let currentLocation = window.location.href;
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let urlObj = new URL(currentLocation);
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@ -196,86 +265,57 @@ function buildDlLink() {
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return dlLink;
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}
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function getChannelHandle(channelContainer) {
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const channelHandleContainer = document.querySelector('#channel-handle');
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let channelHandle = channelHandleContainer ? channelHandleContainer.innerText : null;
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if (!channelHandle) {
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let href = channelContainer.querySelector('.ytd-video-owner-renderer').href;
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const urlObj = new URL(href);
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channelHandle = urlObj.pathname.split('/')[1];
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}
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return channelHandle;
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}
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function buildChannelButton(channelContainer) {
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let channelHandle = getChannelHandle(channelContainer);
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let buttonDiv = buildButtonDiv();
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let subLink = buildSubLink(channelHandle);
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buttonDiv.appendChild(subLink);
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let spacer = buildSpacer();
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buttonDiv.appendChild(spacer);
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let dlLink = buildDlLink();
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buttonDiv.appendChild(dlLink);
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return buttonDiv;
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}
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function getChannelContainers() {
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let nodes = document.querySelectorAll('#inner-header-container, #owner');
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return nodes;
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}
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function getTitleContainers() {
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let nodes = document.querySelectorAll('#video-title');
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return nodes;
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}
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// fix positioning of #owner div to fit new button
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function adjustOwner(channelContainer) {
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let sponsorButton = channelContainer.querySelector('#sponsor-button');
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if (sponsorButton === null) {
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return channelContainer;
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}
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function buildVideoButton(titleContainer) {
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let href = getNearestLink(titleContainer);
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const dlButton = document.createElement('a');
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dlButton.classList.add('ta-button');
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dlButton.href = '#';
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let variableMinWidth;
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if (sponsorButton.hasChildNodes()) {
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variableMinWidth = '140px';
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} else {
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variableMinWidth = '45px';
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}
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let params = new URLSearchParams(href);
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let videoId = params.get('/watch?v');
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if (!videoId) return;
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Object.assign(channelContainer.firstElementChild.style, {
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minWidth: variableMinWidth,
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dlButton.setAttribute('data-id', videoId);
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dlButton.setAttribute('data-type', 'video');
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dlButton.title = `TA download video: ${titleContainer.innerText} [${videoId}]`;
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Object.assign(dlButton.style, {
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display: 'flex',
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alignItems: 'center',
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justifyContent: 'center',
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backgroundColor: '#00202f',
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color: '#fff',
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fontSize: '1.4rem',
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textDecoration: 'none',
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borderRadius: '8px',
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cursor: 'pointer',
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height: 'fit-content',
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opacity: 0,
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});
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Object.assign(channelContainer.style, {
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minWidth: 'calc(40% + 50px)',
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let dlIcon = document.createElement('span');
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dlIcon.innerHTML = defaultIcon;
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Object.assign(dlIcon.style, {
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filter: 'invert()',
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width: '18px',
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height: '18px',
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padding: '7px 8px',
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});
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return channelContainer;
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}
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function ensureTALinks() {
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let channelContainerNodes = getChannelContainers();
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dlButton.appendChild(dlIcon);
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for (let channelContainer of channelContainerNodes) {
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channelContainer = adjustOwner(channelContainer);
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if (channelContainer.hasTA) continue;
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let channelButton = buildChannelButton(channelContainer);
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channelContainer.appendChild(channelButton);
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channelContainer.hasTA = true;
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}
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dlButton.addEventListener('click', e => {
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e.preventDefault();
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sendDownload(dlButton);
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e.stopPropagation();
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});
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let titleContainerNodes = getTitleContainers();
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for (let titleContainer of titleContainerNodes) {
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if (titleContainer.hasTA) continue;
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let videoButton = buildVideoButton(titleContainer);
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if (videoButton == null) continue;
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processTitle(titleContainer);
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titleContainer.appendChild(videoButton);
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titleContainer.hasTA = true;
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}
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return dlButton;
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}
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function getNearestLink(element) {
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@ -329,54 +369,6 @@ function checkVideoExists(taButton) {
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sending.then(handleResponse, handleError);
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}
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function buildVideoButton(titleContainer) {
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let href = getNearestLink(titleContainer);
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const dlButton = document.createElement('a');
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dlButton.classList.add('ta-button');
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dlButton.href = '#';
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let params = new URLSearchParams(href);
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let videoId = params.get('/watch?v');
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if (!videoId) return;
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dlButton.setAttribute('data-id', videoId);
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dlButton.setAttribute('data-type', 'video');
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dlButton.title = `TA download video: ${titleContainer.innerText} [${videoId}]`;
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Object.assign(dlButton.style, {
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display: 'flex',
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alignItems: 'center',
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justifyContent: 'center',
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backgroundColor: '#00202f',
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color: '#fff',
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fontSize: '1.4rem',
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textDecoration: 'none',
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borderRadius: '8px',
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cursor: 'pointer',
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height: 'fit-content',
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opacity: 0,
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});
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let dlIcon = document.createElement('span');
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dlIcon.innerHTML = defaultIcon;
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Object.assign(dlIcon.style, {
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filter: 'invert()',
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width: '18px',
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height: '18px',
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padding: '7px 8px',
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});
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dlButton.appendChild(dlIcon);
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dlButton.addEventListener('click', e => {
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e.preventDefault();
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sendDownload(dlButton);
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e.stopPropagation();
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});
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return dlButton;
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}
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function sendDownload(button) {
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let url = button.dataset.id;
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if (!url) return;
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@ -439,6 +431,14 @@ function sendUrl(url, action, button) {
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sending.then(handleResponse, handleError);
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}
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async function sendMessage(message) {
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let { success, value } = await browserType.runtime.sendMessage(message);
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if (!success) {
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throw value;
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}
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return value;
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}
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function cleanButtons() {
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console.log('trigger clean buttons');
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document.querySelectorAll('.ta-button').forEach(button => {
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