1225 lines
44 KiB
JavaScript
1225 lines
44 KiB
JavaScript
// refsCallback: (optional)
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// Will be called when the player enters a marker that has a `data-ref` attribute. The value of `data-ref` will be passed to the function.
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// When leaving a marker that a `data-ref` attribute, and entering a marker without one (or not entering a new marker at all), the function will be called with `null`.
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function Player(htmlContainer, refsCallback) {
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this.container = htmlContainer;
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this.markersContainer = this.container.querySelector(".markers_container");
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this.videoContainer = this.container.querySelector(".video_container");
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this.refsCallback = refsCallback || function() {};
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if (!this.videoContainer.getAttribute("data-videoId")) {
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console.error("Expected to find data-videoId attribute on", this.videoContainer, "for player initialized on", this.container);
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throw new Error("Missing data-videoId attribute.");
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}
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this.markers = [];
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var markerEls = this.markersContainer.querySelectorAll(".marker");
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if (markerEls.length == 0) {
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console.error("No markers found in", this.markersContainer, "for player initialized on", this.container);
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throw new Error("Missing markers.");
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}
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for (var i = 0; i < markerEls.length; ++i) {
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var marker = {
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timestamp: parseInt(markerEls[i].getAttribute("data-timestamp"), 10),
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ref: markerEls[i].getAttribute("data-ref"),
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endTime: (i < markerEls.length - 1 ? parseInt(markerEls[i+1].getAttribute("data-timestamp"), 10) : null),
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el: markerEls[i],
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fadedProgress: markerEls[i].querySelector(".progress.faded"),
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progress: markerEls[i].querySelector(".progress.main"),
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hoverx: null
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};
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marker.el.addEventListener("click", this.onMarkerClick.bind(this, marker));
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marker.el.addEventListener("mousemove", this.onMarkerMouseMove.bind(this, marker));
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marker.el.addEventListener("mouseleave", this.onMarkerMouseLeave.bind(this, marker));
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this.markers.push(marker);
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}
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this.currentMarker = null;
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this.currentMarkerIdx = null;
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this.youtubePlayer = null;
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this.youtubePlayerReady = false;
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this.playing = false;
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this.shouldPlay = false;
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this.buffering = false;
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this.pauseAfterBuffer = false;
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this.speed = 1;
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this.currentTime = 0;
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this.lastFrameTime = 0;
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this.scrollTo = -1;
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this.scrollPosition = 0;
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this.nextFrame = null;
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this.looping = false;
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this.markersContainer.addEventListener("wheel", function(ev) {
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this.scrollTo = -1;
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}.bind(this));
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Player.initializeYoutube(this.onYoutubeReady.bind(this));
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this.updateSize();
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this.resume();
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}
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// Start playing the video from the current position.
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// If the player hasn't loaded yet, it will autoplay when ready.
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Player.prototype.play = function() {
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if (this.youtubePlayerReady) {
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if (!this.playing) {
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this.youtubePlayer.playVideo();
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}
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this.pauseAfterBuffer = false;
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} else {
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this.shouldPlay = true;
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}
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};
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// Pause the video at the current position.
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// If the player hasn't loaded yet, it will not autoplay when ready. (This is the default)
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Player.prototype.pause = function() {
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if (this.youtubePlayerReady) {
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if (this.playing) {
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this.youtubePlayer.pauseVideo();
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} else if (this.buffering) {
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this.pauseAfterBuffer = true;
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}
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} else {
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this.shouldPlay = false;
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}
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};
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// Sets the current time. Does not affect play status.
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// If the player hasn't loaded yet, it will seek to this time when ready.
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Player.prototype.setTime = function(time) {
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this.currentTime = time;
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if (this.youtubePlayerReady) {
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this.currentTime = Math.max(0, Math.min(this.currentTime, this.youtubePlayer.getDuration()));
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this.youtubePlayer.seekTo(this.currentTime);
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}
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this.updateProgress();
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};
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Player.prototype.jumpToNextMarker = function() {
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var targetMarkerIdx = Math.min((this.currentMarkerIdx === null ? 0 : this.currentMarkerIdx + 1), this.markers.length-1);
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var targetTime = this.markers[targetMarkerIdx].timestamp;
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this.setTime(targetTime);
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this.play();
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};
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Player.prototype.jumpToPrevMarker = function() {
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var targetMarkerIdx = Math.max(0, (this.currentMarkerIdx === null ? 0 : this.currentMarkerIdx - 1));
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var targetTime = this.markers[targetMarkerIdx].timestamp;
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this.setTime(targetTime);
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this.play();
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};
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// Call this after changing the size of the video container in order to update the youtube player.
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Player.prototype.updateSize = function() {
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var width = this.videoContainer.offsetWidth;
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var height = width / 16 * 9;
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this.markersContainer.style.height = height;
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if (this.youtubePlayerReady) {
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this.youtubePlayer.setSize(Math.floor(width), Math.floor(height));
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}
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}
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// Stops the per-frame work that the player does. Call when you want to hide or get rid of the player.
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Player.prototype.halt = function() {
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this.pause();
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this.looping = false;
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if (this.nextFrame) {
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cancelAnimationFrame(this.nextFrame);
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this.nextFrame = null;
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}
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}
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// Resumes the per-frame work that the player does. Call when you want to show the player again after hiding.
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Player.prototype.resume = function() {
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this.looping = true;
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if (!this.nextFrame) {
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this.doFrame();
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}
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}
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Player.initializeYoutube = function(callback) {
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if (window.APYoutubeAPIReady === undefined) {
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window.APYoutubeAPIReady = false;
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window.APCallbacks = (callback ? [callback] : []);
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window.onYouTubeIframeAPIReady = function() {
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window.APYoutubeAPIReady = true;
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for (var i = 0; i < APCallbacks.length; ++i) {
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APCallbacks[i]();
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}
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};
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var scriptTag = document.createElement("SCRIPT");
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scriptTag.setAttribute("type", "text/javascript");
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scriptTag.setAttribute("src", "https://www.youtube.com/iframe_api");
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document.body.appendChild(scriptTag);
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} else if (window.APYoutubeAPIReady === false) {
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window.APCallbacks.push(callback);
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} else if (window.APYoutubeAPIReady === true) {
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callback();
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}
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}
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// END PUBLIC INTERFACE
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Player.prototype.onMarkerClick = function(marker, ev) {
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var time = marker.timestamp;
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if (this.currentMarker == marker && marker.hoverx !== null) {
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time += (marker.endTime - marker.timestamp) * marker.hoverx;
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}
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this.setTime(time);
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this.play();
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};
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function getElementXOffsetFromPage(el) {
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var left = 0;
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do {
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left += el.offsetLeft;
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} while (el = el.offsetParent);
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return left;
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}
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Player.prototype.onMarkerMouseMove = function(marker, ev) {
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if (this.currentMarker == marker) {
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marker.hoverx = (ev.pageX - getElementXOffsetFromPage(marker.el)) / marker.el.offsetWidth;
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}
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};
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Player.prototype.onMarkerMouseLeave = function(marker, ev) {
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marker.hoverx = null;
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};
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Player.prototype.updateProgress = function() {
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var prevMarker = this.currentMarker;
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this.currentMarker = null;
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this.currentMarkerIdx = null;
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for (var i = 0; i < this.markers.length; ++i) {
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var marker = this.markers[i];
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if (marker.timestamp <= this.currentTime && this.currentTime < marker.endTime) {
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this.currentMarker = marker;
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this.currentMarkerIdx = i;
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break;
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}
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}
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if (this.currentMarker) {
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var totalWidth = this.currentMarker.el.offsetWidth;
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var progress = (this.currentTime - this.currentMarker.timestamp) / (this.currentMarker.endTime - this.currentMarker.timestamp);
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if (this.currentMarker.hoverx === null) {
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var pixelWidth = progress * totalWidth;
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this.currentMarker.fadedProgress.style.width = Math.ceil(pixelWidth) + "px";
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this.currentMarker.fadedProgress.style.opacity = pixelWidth - Math.floor(pixelWidth);
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this.currentMarker.progress.style.width = Math.floor(pixelWidth) + "px";
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} else {
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this.currentMarker.fadedProgress.style.opacity = 1;
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this.currentMarker.progress.style.width = Math.floor(Math.min(this.currentMarker.hoverx, progress) * totalWidth) + "px";
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this.currentMarker.fadedProgress.style.width = Math.floor(Math.max(this.currentMarker.hoverx, progress) * totalWidth) + "px";
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}
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}
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if (this.currentMarker != prevMarker) {
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if (prevMarker) {
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prevMarker.el.classList.remove("current");
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prevMarker.fadedProgress.style.width = "0px";
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prevMarker.progress.style.width = "0px";
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prevMarker.hoverx = null;
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}
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if (this.currentMarker) {
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this.currentMarker.el.classList.add("current");
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this.scrollTo = this.currentMarker.el.offsetTop + this.currentMarker.el.offsetHeight/2.0;
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this.scrollPosition = this.markersContainer.scrollTop;
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}
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if (this.currentMarker) {
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this.refsCallback(this.currentMarker.ref, this.currentMarker.el);
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} else if (prevMarker && prevMarker.ref) {
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this.refsCallback(null);
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}
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}
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};
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Player.prototype.doFrame = function() {
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var now = performance.now();
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var delta = (now - this.lastFrameTime) / 1000.0;
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this.lastFrameTime = now;
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if (this.playing) {
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this.currentTime += delta * this.speed;
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}
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this.updateProgress();
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if (this.scrollTo >= 0) {
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var targetPosition = this.scrollTo - this.markersContainer.offsetHeight/2.0;
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targetPosition = Math.max(0, Math.min(targetPosition, this.markersContainer.scrollHeight - this.markersContainer.offsetHeight));
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this.scrollPosition += (targetPosition - this.scrollPosition) * 0.1;
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if (Math.abs(this.scrollPosition - targetPosition) < 1.0) {
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this.markersContainer.scrollTop = targetPosition;
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this.scrollTo = -1;
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} else {
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this.markersContainer.scrollTop = this.scrollPosition;
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}
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}
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this.nextFrame = requestAnimationFrame(this.doFrame.bind(this));
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};
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Player.prototype.onYoutubePlayerReady = function() {
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this.youtubePlayerReady = true;
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this.markers[this.markers.length-1].endTime = this.youtubePlayer.getDuration();
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this.updateSize();
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this.youtubePlayer.setPlaybackQuality("hd1080");
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if (this.currentTime > 0) {
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this.currentTime = Math.max(0, Math.min(this.currentTime, this.youtubePlayer.getDuration()));
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this.youtubePlayer.seekTo(this.currentTime, true);
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}
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if (this.shouldPlay) {
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this.youtubePlayer.playVideo();
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}
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};
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Player.prototype.onYoutubePlayerStateChange = function(ev) {
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if (ev.data == YT.PlayerState.PLAYING) {
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this.playing = true;
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this.currentTime = this.youtubePlayer.getCurrentTime();
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} else if (ev.data == YT.PlayerState.PAUSED || ev.data == YT.PlayerState.BUFFERING) {
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this.playing = false;
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this.currentTime = this.youtubePlayer.getCurrentTime();
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this.updateProgress();
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} else {
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this.playing = false;
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}
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this.buffering = ev.data == YT.PlayerState.BUFFERING;
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if (this.playing && this.pauseAfterBuffer) {
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this.pauseAfterBuffering = false;
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this.pause();
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}
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};
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Player.prototype.onYoutubePlayerPlaybackRateChange = function(ev) {
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this.speed = ev.data;
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};
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Player.prototype.onYoutubeReady = function() {
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var youtubePlayerDiv = document.createElement("DIV");
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youtubePlayerDiv.id = "youtube_player_" + Player.youtubePlayerCount++;
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this.videoContainer.appendChild(youtubePlayerDiv);
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this.youtubePlayer = new YT.Player(youtubePlayerDiv.id, {
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videoId: this.videoContainer.getAttribute("data-videoId"),
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width: this.videoContainer.offsetWidth,
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height: this.videoContainer.offsetWidth / 16 * 9,
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//playerVars: { disablekb: 1 },
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events: {
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"onReady": this.onYoutubePlayerReady.bind(this),
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"onStateChange": this.onYoutubePlayerStateChange.bind(this),
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"onPlaybackRateChange": this.onYoutubePlayerPlaybackRateChange.bind(this)
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}
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});
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};
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Player.youtubePlayerCount = 0;
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// NOTE(matt): Hereafter is my stuff. Beware!
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function toggleMenuVisibility(element) {
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if(element.classList.contains("visible"))
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{
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element.classList.remove("visible");
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element.parentNode.classList.remove("visible");
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focusedElement.classList.remove("focused");
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focusedElement = null;
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if(focusedIdentifier)
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{
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focusedIdentifier.classList.remove("focused");
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focusedIdentifier = null;
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}
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}
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else
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{
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for(menuIndex in menuState)
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{
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menuState[menuIndex].classList.remove("visible");
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menuState[menuIndex].parentNode.classList.remove("visible");
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if(focusedElement)
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{
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focusedElement.classList.remove("focused");
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}
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if(focusedIdentifier)
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{
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focusedIdentifier.classList.remove("focused");
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}
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}
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element.classList.add("visible");
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element.parentNode.classList.add("visible");
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if(element.classList.contains("quotes_container"))
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{
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if(!lastFocusedQuote)
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{
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lastFocusedQuote = element.querySelectorAll(".ref")[0];
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}
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focusedElement = lastFocusedQuote;
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focusedElement.classList.add("focused");
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}
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else if(element.classList.contains("references_container"))
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{
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if(!lastFocusedReference || !lastFocusedIdentifier)
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{
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lastFocusedReference = element.querySelectorAll(".ref")[0];
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lastFocusedIdentifier = lastFocusedReference.querySelector(".ref_indices").firstElementChild;
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}
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focusedElement = lastFocusedReference;
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focusedElement.classList.add("focused");
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focusedIdentifier = lastFocusedIdentifier;
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focusedIdentifier.classList.add("focused");
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}
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else if(element.classList.contains("filter_container"))
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{
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if(!lastFocusedCategory)
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{
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lastFocusedCategory = element.querySelectorAll(".filter_content")[0];
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}
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focusedElement = lastFocusedCategory;
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focusedElement.classList.add("focused");
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}
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else if(element.classList.contains("credits_container"))
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{
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if(!lastFocusedCreditItem)
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{
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if(element.querySelectorAll(".credit .support")[0])
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{
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lastFocusedCreditItem = element.querySelectorAll(".credit .support")[0];
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}
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else
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{
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lastFocusedCreditItem = element.querySelectorAll(".credit .person")[0];
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}
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}
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focusedElement = lastFocusedCreditItem;
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focusedElement.classList.add("focused");
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}
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}
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}
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function handleKey(key) {
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var gotKey = true;
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switch (key) {
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case "q": {
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if(quotesMenu)
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{
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toggleMenuVisibility(quotesMenu)
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}
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} break;
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case "r": {
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if(referencesMenu)
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{
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toggleMenuVisibility(referencesMenu)
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}
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} break;
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case "f": {
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if(filterMenu)
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{
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toggleMenuVisibility(filterMenu)
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}
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} break;
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case "c": {
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if(creditsMenu)
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{
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toggleMenuVisibility(creditsMenu)
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}
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} break;
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case "Enter": {
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if(focusedElement)
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{
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if(focusedElement.parentNode.classList.contains("quotes_container"))
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{
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var time = focusedElement.querySelector(".timecode").getAttribute("data-timestamp");
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player.setTime(parseInt(time, 10));
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player.play();
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}
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else if(focusedElement.parentNode.classList.contains("references_container"))
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{
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var time = focusedIdentifier.getAttribute("data-timestamp");
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player.setTime(parseInt(time, 10));
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player.play();
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}
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else if(focusedElement.parentNode.classList.contains("credit"))
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{
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if(focusedElement.hasAttribute)
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{
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var url = focusedElement.getAttribute("href");
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window.open(url, "_blank");
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}
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}
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}
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else
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{
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console.log("TODO(matt): Implement me, perhaps?\n");
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}
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} break;
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case "o": {
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if(focusedElement)
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{
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if(focusedElement.parentNode.classList.contains("references_container"))
|
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{
|
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var url = focusedElement.getAttribute("href");
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window.open(url, "_blank");
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}
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else if(focusedElement.parentNode.classList.contains("credit"))
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{
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if(focusedElement.hasAttribute("href"))
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{
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var url = focusedElement.getAttribute("href");
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window.open(url, "_blank");
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}
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}
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}
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} break;
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|
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case "w": case "k": case "ArrowUp": {
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if(focusedElement)
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{
|
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if(focusedElement.parentNode.classList.contains("quotes_container"))
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{
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if(focusedElement.previousElementSibling)
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{
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focusedElement.classList.remove("focused");
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lastFocusedQuote = focusedElement.previousElementSibling;
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focusedElement = lastFocusedQuote;
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focusedElement.classList.add("focused");
|
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}
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}
|
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else if(focusedElement.parentNode.classList.contains("references_container"))
|
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{
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if(focusedElement.previousElementSibling)
|
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{
|
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focusedElement.classList.remove("focused");
|
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focusedIdentifier.classList.remove("focused");
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|
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lastFocusedReference = focusedElement.previousElementSibling;
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focusedElement = lastFocusedReference;
|
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focusedElement.classList.add("focused");
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|
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lastFocusedIdentifier = focusedElement.querySelector(".ref_indices").firstElementChild;
|
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focusedIdentifier = lastFocusedIdentifier;
|
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focusedIdentifier.classList.add("focused");
|
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}
|
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}
|
|
else if(focusedElement.parentNode.parentNode.classList.contains("filters"))
|
|
{
|
|
if(focusedElement.previousElementSibling &&
|
|
focusedElement.previousElementSibling.classList.contains("filter_content"))
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
|
|
lastFocusedCategory = focusedElement.previousElementSibling;
|
|
focusedElement = lastFocusedCategory;
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
else if(focusedElement.parentNode.classList.contains("credit"))
|
|
{
|
|
if(focusedElement.parentNode.previousElementSibling)
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
if(focusedElement.parentNode.previousElementSibling.querySelector(".support") &&
|
|
focusedElement.classList.contains("support"))
|
|
{
|
|
lastFocusedCreditItem = focusedElement.parentNode.previousElementSibling.querySelector(".support");
|
|
focusedElement = lastFocusedCreditItem;
|
|
}
|
|
else
|
|
{
|
|
lastFocusedCreditItem = focusedElement.parentNode.previousElementSibling.querySelector(".person");
|
|
focusedElement = lastFocusedCreditItem;
|
|
}
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
}
|
|
} break;
|
|
|
|
case "s": case "j": case "ArrowDown": {
|
|
if(focusedElement)
|
|
{
|
|
if(focusedElement.parentNode.classList.contains("quotes_container"))
|
|
{
|
|
if(focusedElement.nextElementSibling)
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
|
|
lastFocusedQuote = focusedElement.nextElementSibling;
|
|
focusedElement = lastFocusedQuote;
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
else if(focusedElement.parentNode.classList.contains("references_container"))
|
|
{
|
|
if(focusedElement.nextElementSibling)
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
focusedIdentifier.classList.remove("focused");
|
|
|
|
lastFocusedReference = focusedElement.nextElementSibling;
|
|
focusedElement = lastFocusedReference;
|
|
focusedElement.classList.add("focused");
|
|
|
|
lastFocusedIdentifier = focusedElement.querySelector(".ref_indices").firstElementChild;
|
|
focusedIdentifier = lastFocusedIdentifier;
|
|
focusedIdentifier.classList.add("focused");
|
|
}
|
|
}
|
|
else if(focusedElement.parentNode.parentNode.classList.contains("filters"))
|
|
{
|
|
if(focusedElement.nextElementSibling &&
|
|
focusedElement.nextElementSibling.classList.contains("filter_content"))
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
|
|
lastFocusedCategory = focusedElement.nextElementSibling;
|
|
focusedElement = lastFocusedCategory;
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
else if(focusedElement.parentNode.classList.contains("credit"))
|
|
{
|
|
if(focusedElement.parentNode.nextElementSibling)
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
if(focusedElement.parentNode.nextElementSibling.querySelector(".support") &&
|
|
focusedElement.classList.contains("support"))
|
|
{
|
|
lastFocusedCreditItem = focusedElement.parentNode.nextElementSibling.querySelector(".support");
|
|
focusedElement = lastFocusedCreditItem;
|
|
}
|
|
else
|
|
{
|
|
lastFocusedCreditItem = focusedElement.parentNode.nextElementSibling.querySelector(".person");
|
|
focusedElement = lastFocusedCreditItem;
|
|
}
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
}
|
|
} break;
|
|
|
|
case "a": case "h": case "ArrowLeft": {
|
|
if(focusedElement)
|
|
{
|
|
if(focusedElement.parentNode.classList.contains("references_container"))
|
|
{
|
|
if(focusedIdentifier.previousElementSibling)
|
|
{
|
|
focusedIdentifier.classList.remove("focused");
|
|
|
|
lastFocusedIdentifier = focusedIdentifier.previousElementSibling;
|
|
focusedIdentifier = lastFocusedIdentifier;
|
|
focusedIdentifier.classList.add("focused");
|
|
}
|
|
}
|
|
else if(focusedElement.classList.contains("filter_content"))
|
|
{
|
|
if(focusedElement.parentNode.classList.contains("filter_media") &&
|
|
focusedElement.parentNode.previousElementSibling)
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
lastFocusedMedium = focusedElement;
|
|
|
|
if(!lastFocusedTopic)
|
|
{
|
|
lastFocusedTopic = focusedElement.parentNode.previousElementSibling.children[1];
|
|
}
|
|
lastFocusedCategory = lastFocusedTopic;
|
|
focusedElement = lastFocusedCategory;
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
else if(focusedElement.parentNode.classList.contains("credit"))
|
|
{
|
|
if(focusedElement.classList.contains("support"))
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
|
|
lastFocusedCreditItem = focusedElement.previousElementSibling;
|
|
focusedElement = lastFocusedCreditItem;
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
}
|
|
} break;
|
|
|
|
case "d": case "l": case "ArrowRight": {
|
|
if(focusedElement)
|
|
{
|
|
if(focusedElement.parentNode.classList.contains("references_container"))
|
|
{
|
|
if(focusedIdentifier.nextElementSibling)
|
|
{
|
|
focusedIdentifier.classList.remove("focused");
|
|
|
|
lastFocusedIdentifier = focusedIdentifier.nextElementSibling;
|
|
focusedIdentifier = lastFocusedIdentifier;
|
|
focusedIdentifier.classList.add("focused");
|
|
}
|
|
}
|
|
else if(focusedElement.classList.contains("filter_content"))
|
|
{
|
|
if(focusedElement.parentNode.classList.contains("filter_topics") &&
|
|
focusedElement.parentNode.nextElementSibling)
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
lastFocusedTopic = focusedElement;
|
|
|
|
if(!lastFocusedMedium)
|
|
{
|
|
lastFocusedMedium = focusedElement.parentNode.nextElementSibling.children[1];
|
|
}
|
|
lastFocusedCategory = lastFocusedMedium;
|
|
focusedElement = lastFocusedCategory;
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
else if(focusedElement.parentNode.classList.contains("credit"))
|
|
{
|
|
if(focusedElement.classList.contains("person") &&
|
|
focusedElement.nextElementSibling)
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
|
|
lastFocusedCreditItem = focusedElement.nextElementSibling;
|
|
focusedElement = lastFocusedCreditItem;
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
}
|
|
} break;
|
|
|
|
case "x": case " ": {
|
|
if(focusedElement && focusedElement.classList.contains("filter_content"))
|
|
{
|
|
filterItemToggle(focusedElement);
|
|
if(focusedElement.nextElementSibling &&
|
|
focusedElement.nextElementSibling.classList.contains("filter_content"))
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
if(focusedElement.parentNode.classList.contains("filter_topics"))
|
|
{
|
|
lastFocusedTopic = focusedElement.nextElementSibling;
|
|
lastFocusedCategory = lastFocusedTopic;
|
|
}
|
|
else
|
|
{
|
|
lastFocusedMedium = focusedElement.nextElementSibling;
|
|
lastFocusedCategory = lastFocusedMedium;
|
|
}
|
|
lastFocusedElement = lastFocusedCategory;
|
|
focusedElement = lastFocusedElement;
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
} break;
|
|
|
|
case "X": case "capitalSpace": {
|
|
if(focusedElement && focusedElement.classList.contains("filter_content"))
|
|
{
|
|
filterItemToggle(focusedElement);
|
|
if(focusedElement.previousElementSibling &&
|
|
focusedElement.previousElementSibling.classList.contains("filter_content"))
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
if(focusedElement.parentNode.classList.contains("filter_topics"))
|
|
{
|
|
lastFocusedTopic = focusedElement.previousElementSibling;
|
|
lastFocusedCategory = lastFocusedTopic;
|
|
}
|
|
else
|
|
{
|
|
lastFocusedMedium = focusedElement.previousElementSibling;
|
|
lastFocusedCategory = lastFocusedMedium;
|
|
}
|
|
lastFocusedElement = lastFocusedCategory;
|
|
focusedElement = lastFocusedElement;
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
} break;
|
|
|
|
case "z": {
|
|
toggleFilterMode();
|
|
} break;
|
|
|
|
case "v": {
|
|
if(focusedElement && focusedElement.classList.contains("filter_content"))
|
|
{
|
|
invertFilter(focusedElement)
|
|
}
|
|
} break;
|
|
|
|
case "V": {
|
|
resetFilter();
|
|
} break;
|
|
|
|
case "?": {
|
|
helpDocumentation.classList.toggle("visible");
|
|
} break;
|
|
|
|
case 'N':
|
|
case 'D':
|
|
case 'S': {
|
|
player.jumpToNextMarker();
|
|
} break;
|
|
|
|
case 'P':
|
|
case 'A':
|
|
case 'W': {
|
|
player.jumpToPrevMarker();
|
|
} break;
|
|
default: {
|
|
gotKey = false;
|
|
} break;
|
|
}
|
|
return gotKey;
|
|
}
|
|
|
|
function applyFilter() {
|
|
if(filterMode == "exclusive")
|
|
{
|
|
for(var i = 0; i < testMarkers.length; ++i)
|
|
{
|
|
var testCategories = testMarkers[i].classList;
|
|
for(var j = 0; j < testCategories.length; ++j)
|
|
{
|
|
if((testCategories[j].startsWith("off_")) && !testMarkers[i].classList.contains("skip"))
|
|
{
|
|
testMarkers[i].classList.add("skip");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for(var i = 0; i < testMarkers.length; ++i)
|
|
{
|
|
var testCategories = testMarkers[i].classList;
|
|
for(var j = 0; j < testCategories.length; ++j)
|
|
{
|
|
if((testCategories[j] in filterState || testCategories[j].startsWith("cat_")) && testMarkers[i].classList.contains("skip"))
|
|
{
|
|
testMarkers[i].classList.remove("skip");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function toggleFilterMode() {
|
|
if(filterMode == "inclusive")
|
|
{
|
|
filterModeElement.classList.remove("inclusive");
|
|
filterModeElement.classList.add("exclusive");
|
|
filterMode = "exclusive";
|
|
}
|
|
else
|
|
{
|
|
filterModeElement.classList.remove("exclusive");
|
|
filterModeElement.classList.add("inclusive");
|
|
filterMode = "inclusive";
|
|
}
|
|
applyFilter();
|
|
}
|
|
|
|
function filterItemToggle(filterItem) {
|
|
var selectedCategory = filterItem.classList[1];
|
|
filterState[selectedCategory].off = !filterState[selectedCategory].off;
|
|
|
|
if(filterState[selectedCategory].off)
|
|
{
|
|
filterItem.classList.add("off");
|
|
if(!filterItem.parentNode.classList.contains("filter_media"))
|
|
{
|
|
filterItem.querySelector(".icon").style.backgroundColor = "transparent";
|
|
}
|
|
var testMarkers = document.querySelectorAll(".marker." + selectedCategory + ", .marker.cat_" + selectedCategory);
|
|
for(var j = 0; j < testMarkers.length; ++j)
|
|
{
|
|
if(filterState[selectedCategory].type == "topic")
|
|
{
|
|
testMarkers[j].classList.remove("cat_" + selectedCategory);
|
|
testMarkers[j].classList.add("off_" + selectedCategory);
|
|
var markerCategories = testMarkers[j].querySelectorAll(".category." + selectedCategory);
|
|
for(var k = 0; k < markerCategories.length; ++k)
|
|
{
|
|
if(markerCategories[k].classList.contains(selectedCategory))
|
|
{
|
|
markerCategories[k].classList.add("off");
|
|
markerCategories[k].style.backgroundColor = "transparent";
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
testMarkers[j].classList.remove(selectedCategory);
|
|
testMarkers[j].classList.add("off_" + selectedCategory);
|
|
}
|
|
|
|
Skipping = 1;
|
|
if(filterMode == "exclusive")
|
|
{
|
|
testMarkers[j].classList.add("skip");
|
|
}
|
|
else
|
|
{
|
|
var markerClasses = testMarkers[j].classList;
|
|
for(var k = 0; k < markerClasses.length; ++k)
|
|
{
|
|
if(markerClasses[k] in filterState || markerClasses[k].replace(/^cat_/, "") in filterState)
|
|
{
|
|
Skipping = 0;
|
|
}
|
|
}
|
|
if(Skipping)
|
|
{
|
|
testMarkers[j].classList.add("skip");
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
else
|
|
{
|
|
filterItem.classList.remove("off");
|
|
if(!filterItem.parentNode.classList.contains("filter_media"))
|
|
{
|
|
filterItem.querySelector(".icon").style.backgroundColor = getComputedStyle(filterItem.querySelector(".icon")).getPropertyValue("border-color");
|
|
}
|
|
setDotLightness(filterItem.querySelector(".icon"));
|
|
var testMarkers = document.querySelectorAll(".marker.off_" + selectedCategory);
|
|
for(var j = 0; j < testMarkers.length; ++j)
|
|
{
|
|
if(filterState[selectedCategory].type == "topic")
|
|
{
|
|
testMarkers[j].classList.remove("off_" + selectedCategory);
|
|
testMarkers[j].classList.add("cat_" + selectedCategory);
|
|
var markerCategories = testMarkers[j].querySelectorAll(".category." + selectedCategory);
|
|
for(var k = 0; k < markerCategories.length; ++k)
|
|
{
|
|
if(markerCategories[k].classList.contains(selectedCategory))
|
|
{
|
|
markerCategories[k].classList.remove("off");
|
|
markerCategories[k].style.backgroundColor = getComputedStyle(markerCategories[k]).getPropertyValue("border-color");
|
|
setDotLightness(markerCategories[k]);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
testMarkers[j].classList.remove("off_" + selectedCategory);
|
|
testMarkers[j].classList.add(selectedCategory);
|
|
}
|
|
|
|
Skipping = 0;
|
|
if(filterMode == "inclusive")
|
|
{
|
|
testMarkers[j].classList.remove("skip");
|
|
}
|
|
else
|
|
{
|
|
var markerClasses = testMarkers[j].classList;
|
|
for(var k = 0; k < markerClasses.length; ++k)
|
|
{
|
|
if(markerClasses[k].startsWith("off_"))
|
|
{
|
|
Skipping = 1;
|
|
}
|
|
}
|
|
if(!Skipping)
|
|
{
|
|
testMarkers[j].classList.remove("skip");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function resetFilter() {
|
|
for(i in filterItems)
|
|
{
|
|
if(filterItems[i].classList && filterItems[i].classList.contains("off"))
|
|
{
|
|
filterItemToggle(filterItems[i]);
|
|
}
|
|
}
|
|
if(filterMode == "exclusive")
|
|
{
|
|
toggleFilterMode();
|
|
}
|
|
}
|
|
|
|
function invertFilter(focusedElement) {
|
|
var siblings = focusedElement.parentNode.querySelectorAll(".filter_content");
|
|
for(i in siblings)
|
|
{
|
|
if(siblings[i].classList)
|
|
{
|
|
filterItemToggle(siblings[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
function resetFade() {
|
|
filter.classList.remove("responsible");
|
|
filter.querySelector(".filter_mode").classList.remove("responsible");
|
|
var responsibleCategories = filter.querySelectorAll(".filter_content.responsible");
|
|
for(var i = 0; i < responsibleCategories.length; ++i)
|
|
{
|
|
responsibleCategories[i].classList.remove("responsible");
|
|
}
|
|
}
|
|
|
|
function onRefChanged(ref, element) {
|
|
if(element.classList.contains("skip"))
|
|
{
|
|
if(!filter.classList.contains("responsible"))
|
|
{
|
|
filter.classList.add("responsible");
|
|
}
|
|
|
|
for(var selector = 0; selector < element.classList.length; ++selector)
|
|
{
|
|
if(element.classList[selector].startsWith("off_"))
|
|
{
|
|
if(!filter.querySelector(".filter_content." + element.classList[selector].replace(/^off_/, "")).classList.contains("responsible"))
|
|
{
|
|
filter.querySelector(".filter_content." + element.classList[selector].replace(/^off_/, "")).classList.add("responsible");
|
|
}
|
|
}
|
|
if((element.classList[selector].startsWith("cat_") || element.classList[selector] in filterState))
|
|
{
|
|
if(!filter.querySelector(".filter_mode").classList.add("responsible"))
|
|
{
|
|
filter.querySelector(".filter_mode").classList.add("responsible");
|
|
}
|
|
}
|
|
setTimeout(resetFade, 8000);
|
|
}
|
|
player.jumpToNextMarker();
|
|
return;
|
|
}
|
|
|
|
for (var MenuIndex = 0; MenuIndex < sourceMenus.length; ++MenuIndex)
|
|
{
|
|
var SetMenu = 0;
|
|
if (ref !== undefined && ref !== null) {
|
|
var refElements = sourceMenus[MenuIndex].querySelectorAll(".refs .ref");
|
|
var refs = ref.split(",");
|
|
|
|
for (var i = 0; i < refElements.length; ++i) {
|
|
if (refs.includes(refElements[i].getAttribute("data-id"))) {
|
|
refElements[i].classList.add("current");
|
|
SetMenu = 1;
|
|
} else {
|
|
refElements[i].classList.remove("current");
|
|
}
|
|
}
|
|
if(SetMenu) {
|
|
sourceMenus[MenuIndex].classList.add("current");
|
|
} else {
|
|
sourceMenus[MenuIndex].classList.remove("current");
|
|
}
|
|
|
|
} else {
|
|
sourceMenus[MenuIndex].classList.remove("current");
|
|
var refs = sourceMenus[MenuIndex].querySelectorAll(".refs .ref");
|
|
for (var i = 0; i < refs.length; ++i) {
|
|
refs[i].classList.remove("current");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function navigateFilter(filterItem) {
|
|
if(filterItem != lastFocusedCategory)
|
|
{
|
|
lastFocusedCategory.classList.remove("focused");
|
|
if(filterItem.parentNode.classList.contains("filter_topics"))
|
|
{
|
|
lastFocusedTopic = filterItem;
|
|
lastFocusedCategory = lastFocusedTopic;
|
|
}
|
|
else
|
|
{
|
|
lastFocusedMedium = filterItem;
|
|
lastFocusedCategory = lastFocusedMedium;
|
|
}
|
|
focusedElement = lastFocusedCategory;
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
|
|
function mouseOverQuotes(quote) {
|
|
if(focusedElement && quote != lastFocusedQuote)
|
|
{
|
|
focusedElement.classList.remove("focused");
|
|
lastFocusedQuote = quote;
|
|
focusedElement = lastFocusedQuote;
|
|
focusedElement.classList.add("focused");
|
|
}
|
|
}
|
|
|
|
function mouseOverReferences(reference) {
|
|
if(focusedElement && reference != lastFocusedReference)
|
|
{
|
|
focusedElement.classList.remove("focused")
|
|
lastFocusedReference = reference;
|
|
}
|
|
focusedElement = lastFocusedReference;
|
|
focusedElement.classList.add("focused");
|
|
|
|
var ourIdentifiers = reference.querySelector(".ref_indices").children;
|
|
weWereLastFocused = false;
|
|
for(var k = 0; k < ourIdentifiers.length; ++k)
|
|
{
|
|
if(ourIdentifiers[k] == lastFocusedIdentifier)
|
|
{
|
|
weWereLastFocused = true;
|
|
}
|
|
}
|
|
if(!weWereLastFocused)
|
|
{
|
|
lastFocusedIdentifier.classList.remove("focused");
|
|
lastFocusedIdentifier = reference.querySelector(".ref_indices").firstElementChild;
|
|
}
|
|
focusedIdentifer = lastFocusedIdentifier;
|
|
focusedIdentifer.classList.add("focused");
|
|
|
|
for(var l = 0; l < ourIdentifiers.length; ++l)
|
|
{
|
|
ourIdentifiers[l].addEventListener("mouseenter", function(ev) {
|
|
if(this != lastFocusedIdentifier)
|
|
{
|
|
lastFocusedIdentifier.classList.remove("focused");
|
|
lastFocusedIdentifier = this;
|
|
lastFocusedIdentifier.classList.add("focused");
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
function mouseSkipToTimecode(player, time, ev)
|
|
{
|
|
player.setTime(parseInt(time, 10));
|
|
player.play();
|
|
ev.preventDefault();
|
|
ev.stopPropagation();
|
|
return false;
|
|
}
|
|
|
|
function handleMouseOverMenu(menu, eventType)
|
|
{
|
|
if(!(menu.classList.contains("visible")) && eventType == "mouseenter" ||
|
|
menu.classList.contains("visible") && eventType == "mouseleave")
|
|
{
|
|
if(menu.classList.contains("quotes"))
|
|
{
|
|
toggleMenuVisibility(quotesMenu);
|
|
}
|
|
else if(menu.classList.contains("references"))
|
|
{
|
|
toggleMenuVisibility(referencesMenu);
|
|
}
|
|
else if(menu.classList.contains("filter"))
|
|
{
|
|
toggleMenuVisibility(filterMenu);
|
|
}
|
|
else if(menu.classList.contains("credits"))
|
|
{
|
|
toggleMenuVisibility(creditsMenu);
|
|
}
|
|
}
|
|
if(eventType == "click" && menu.classList.contains("help"))
|
|
{
|
|
helpDocumentation.classList.toggle("visible");
|
|
}
|
|
}
|
|
|
|
function RGBtoHSL(colour)
|
|
{
|
|
var rgb = colour.slice(4, -1).split(", ");
|
|
var red = rgb[0];
|
|
var green = rgb[1];
|
|
var blue = rgb[2];
|
|
var min = Math.min(red, green, blue);
|
|
var max = Math.max(red, green, blue);
|
|
var chroma = max - min;
|
|
var hue = 0;
|
|
if(max == red)
|
|
{
|
|
hue = ((green - blue) / chroma) % 6;
|
|
}
|
|
else if(max == green)
|
|
{
|
|
hue = ((blue - red) / chroma) + 2;
|
|
}
|
|
else if(max == blue)
|
|
{
|
|
hue = ((red - green) / chroma) + 4;
|
|
}
|
|
|
|
var saturation = chroma / 255 * 100;
|
|
hue = (hue * 60) < 0 ? 360 + (hue * 60) : (hue * 60);
|
|
|
|
return [hue, saturation]
|
|
}
|
|
|
|
function getBackgroundBrightness(element) {
|
|
var colour = getComputedStyle(element).getPropertyValue("background-color");
|
|
var depth = 0;
|
|
while((colour == "transparent" || colour == "rgba(0, 0, 0, 0)") && depth <= 4)
|
|
{
|
|
element = element.parentNode;
|
|
colour = getComputedStyle(element).getPropertyValue("background-color");
|
|
++depth;
|
|
}
|
|
var rgb = colour.slice(4, -1).split(", ");
|
|
var result = Math.sqrt(rgb[0] * rgb[0] * .241 +
|
|
rgb[1] * rgb[1] * .691 +
|
|
rgb[2] * rgb[2] * .068);
|
|
return result;
|
|
}
|
|
|
|
function setTextLightness(textElement)
|
|
{
|
|
var textHue = textElement.getAttribute("data-hue");
|
|
var textSaturation = textElement.getAttribute("data-saturation");
|
|
if(getBackgroundBrightness(textElement.parentNode) < 127)
|
|
{
|
|
textElement.style.color = ("hsl(" + textHue + ", " + textSaturation + ", 76%)");
|
|
}
|
|
else
|
|
{
|
|
textElement.style.color = ("hsl(" + textHue + ", " + textSaturation + ", 24%)");
|
|
}
|
|
}
|
|
|
|
function setDotLightness(topicDot)
|
|
{
|
|
var Hue = RGBtoHSL(getComputedStyle(topicDot).getPropertyValue("background-color"))[0];
|
|
var Saturation = RGBtoHSL(getComputedStyle(topicDot).getPropertyValue("background-color"))[1];
|
|
if(getBackgroundBrightness(topicDot.parentNode) < 127)
|
|
{
|
|
topicDot.style.backgroundColor = ("hsl(" + Hue + ", " + Saturation + "%, 76%)");
|
|
topicDot.style.borderColor = ("hsl(" + Hue + ", " + Saturation + "%, 76%)");
|
|
}
|
|
else
|
|
{
|
|
topicDot.style.backgroundColor = ("hsl(" + Hue + ", " + Saturation + "%, 24%)");
|
|
topicDot.style.borderColor = ("hsl(" + Hue + ", " + Saturation + "%, 24%)");
|
|
}
|
|
}
|