mirror of https://github.com/status-im/consul.git
114 lines
3.7 KiB
JavaScript
114 lines
3.7 KiB
JavaScript
document.addEventListener("turbolinks:load", function() {
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var qs = document.querySelector.bind(document);
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var qsa = document.querySelectorAll.bind(document);
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var $hero = qs("#home-hero");
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if ($hero) {
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var $$wrappers = qsa("#home-hero .videos > div"); // all the wrappers for the videos
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var $$videos = qsa("#home-hero video"); // all the videos
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var $$videoBars = qsa("#home-hero .progress-bar span"); // progress bars
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var $$videoControls = qsa("#home-hero .controls > div"); // carousel controllers
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var currentIndex = 1; // currently playing video
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var playbackRate = 2; // video playback speed
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// initiate a video change
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function initiateVideoChange(index) {
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var wrapper = $$wrappers[currentIndex];
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var nextWrapper = $$wrappers[index];
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// pause the current video
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$$videos[currentIndex].pause();
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// deactivate the current video
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wrapper.classList.remove("active");
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wrapper.classList.add("deactivate");
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// after the current video animates out...
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setTimeout(function() {
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// reset the current video
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if (!isNaN($$videos[currentIndex].duration)) {
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$$videos[currentIndex].currentTime = 0;
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}
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$$videoControls[currentIndex].classList.remove("playing");
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// stop deactivation
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wrapper.classList.remove("deactivate");
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// check if the video is loaded
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// if not, listen for it to load
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if ($$videos[index].classList.contains("loaded")) {
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playVideo(index, nextWrapper);
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} else {
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$$videos[index].addEventListener(
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"canplaythrough",
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playVideo(index, nextWrapper)
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);
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}
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}, 1000);
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}
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// activate and play a video
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function playVideo(index, wrapper) {
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// toggle
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$$videos[index].classList.add("loaded");
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// activate the next video and start playing it
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wrapper.classList.add("active");
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$$videoControls[index].classList.add("playing");
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$$videos[index].play();
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// sync playback bars to video.currentTime
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setInterval(() => {
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if (!isNaN($$videos[index].duration)) {
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$$videoBars[index].style.width = `${($$videos[index].currentTime /
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$$videos[index].duration) *
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100}%`;
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}
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}, 200);
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// set the currentIndex to be that of the current video's index
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currentIndex = index;
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}
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function initiateVideos() {
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// loop through videos to set up options/listeners
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for (var i = 0; i < $$videos.length; i++) {
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// set video default speed
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$$videos[i].playbackRate = playbackRate;
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// listen for video ending, then go to the next video
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$$videos[i].addEventListener("ended", function() {
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var nextIndex = currentIndex + 1;
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initiateVideoChange(nextIndex < $$videos.length ? nextIndex : 0);
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});
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}
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for (var i = 0; i < $$videoControls.length; i++) {
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// listen for control clicks and initiate videos appropriately
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$$videoControls[i].addEventListener("click", function() {
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if (!this.classList.contains("playing")) {
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initiateVideoChange(this.dataset.index);
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}
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});
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}
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// go to first video to start this thing
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if ($$videos.length > 0) {
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initiateVideoChange(0);
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}
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}
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initiateVideos();
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// reset it all
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document.addEventListener("turbolinks:before-cache", function() {
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for (var i = 0; i < $$videos.length; i++) {
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$$videos[i].currentTime = 0;
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$$videoBars[i].style.width = 0;
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$$videoControls[i].classList.remove("playing");
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$$wrappers[i].classList.remove("active");
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}
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});
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}
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});
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