adding about screen with video

static/images/play_button.svg

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<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"
+	 viewBox="-335 665 180 180" enable-background="new -335 665 180 180" xml:space="preserve">
+<path d="M-245,669c-47.5,0-86,38.5-86,86s38.5,86,86,86s86-38.5,86-86S-197.5,669-245,669z"/>
+<g>
+	<g>
+		<g>
+			<path fill="#FFFFFF" d="M-261.9,720.9c-0.5-0.3-0.8-0.1-0.8,0.4v67.2c0,0.5,0.4,0.7,0.8,0.4l49.9-33.5c0.5-0.3,0.5-0.8,0-1.1
+				L-261.9,720.9z"/>
+		</g>
+		<g>
+			<path fill="#FFFFFF" d="M-262.8,789.6v-69.2"/>
+		</g>
+	</g>
+</g>
+</svg>

static/src/interface/About.js

@@ -0,0 +1,118 @@
+/**
+ * Copyright 2016 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import 'style/about.css'
+import YouTubeIframeLoader from 'youtube-iframe'
+import events from 'events'
+
+const magentaLink = 'https://github.com/tensorflow/magenta'
+const sourceCode = 'https://github.com/googlecreativelab/aiexperiments-ai-duet'
+const toneLink = 'https://github.com/Tonejs/Tone.js'
+
+const blurbCopy = `Built by Yotam Mann with friends on the Magenta and Creative Lab teams at Google. 
+					It uses <a target='_blank' href='${toneLink}'>Tone.js</a> and tools 
+					from the <a target='_blank' href='${magentaLink}'>Magenta project</a>. 
+					The open-source code is <a target='_blank' href='${sourceCode}'>available here</a>.`
+
+export class About extends events.EventEmitter{
+	constructor(container){
+
+		super()
+
+		this._container = document.createElement('div')
+		this._container.id = 'about'
+		container.appendChild(this._container)
+
+		this._toggleButton = document.createElement('div')
+		this._toggleButton.id = 'aboutButton'
+		this._toggleButton.classList.add('open')
+		container.appendChild(this._toggleButton)
+		this._toggleButton.addEventListener('click', (e) => {
+			e.preventDefault()
+			if (this.isOpen()){
+				this.close()
+			} else {
+				this.open()
+			}
+		})
+
+		const content = document.createElement('div')
+		content.id = 'content'
+		this._container.appendChild(content)
+
+		const title = document.createElement('div')
+		title.id = 'title'
+		title.textContent = 'A.I. Duet'
+		content.appendChild(title)
+
+		const video = document.createElement('div')
+		video.id = 'video'
+		//vid YT0k99hCY5I 
+		video.innerHTML = `<iframe id='youtube-iframe' src="https://www.youtube.com/embed/0ZE1bfPtvZo?modestbranding=0&showinfo=0&enablejsapi=1" frameborder="0" allowfullscreen></iframe>`
+		content.appendChild(video)
+
+		this._ytplayer = null
+
+		this._playButton = document.createElement('div')
+		this._playButton.id = 'playButton'
+		this._playButton.classList.add('visible')
+		video.appendChild(this._playButton)
+
+		YouTubeIframeLoader.load((YT) => {
+			this._ytplayer = new YT.Player('youtube-iframe', {
+				events : {
+					onStateChange : (state) => {
+						this._playButton.classList.remove('visible')
+					}
+				}
+			})
+		})
+
+		const blurb = document.createElement('div')
+		blurb.id = 'blurb'
+		content.appendChild(blurb)
+		blurb.innerHTML = blurbCopy
+
+	}
+	close(){
+		this._toggleButton.classList.remove('close')
+		this._toggleButton.classList.add('open')
+
+		this._container.classList.remove('visible')
+
+		if (this._ytplayer){
+			this._ytplayer.stopVideo()
+		}
+		this.emit('close')
+		if (window.ga){
+			ga('send', 'event', 'AI-Duet', 'Click', 'About - Close')
+		}
+	}
+	open(){
+		this._toggleButton.classList.add('close')
+		this._toggleButton.classList.remove('open')
+
+		this._playButton.classList.add('visible')
+		this._container.classList.add('visible')
+		this.emit('open')
+		if (window.ga){
+			ga('send', 'event', 'AI-Duet', 'Click', 'About - Open')
+		}
+	}
+	isOpen(){
+		return this._container.classList.contains('visible')
+	}
+}

static/src/interface/Splash.js

@@ -23,7 +23,7 @@ class Splash extends events.EventEmitter{
 	constructor(container){
 
 		super()
-		const splash = document.createElement('div')
+		const splash = this._splash = document.createElement('div')
 		splash.id = 'splash'
 		container.appendChild(splash)
 
@@ -42,26 +42,39 @@ class Splash extends events.EventEmitter{
 		titleContainer.appendChild(subTitle)
 		subTitle.textContent = 'Trade melodies with a neural network.'
 
-		const loader = new Loader(titleContainer)
+		this._clicked = false
+		const loader = this._loader = new Loader(titleContainer)
 		loader.on('click', () => {
 			splash.classList.add('disappear')
+			this._clicked = true
 			this.emit('click')
 		})
 
+		const magenta = document.createElement('div')
+		magenta.id = 'magentaLink'
+		titleContainer.appendChild(magenta)
+		magenta.innerHTML = 'Built using <a href="https://github.com/tensorflow/magenta" target="_blank">Magenta</a>'
+
+		const badges = document.createElement('div')
+		badges.id = 'badges'
+		splash.appendChild(badges)
+
 		const aiExperiments = document.createElement('a')
 		aiExperiments.id = 'aiExperiments'
 		aiExperiments.href = 'https://aiexperiments.withgoogle.com'
 		aiExperiments.target = '_blank'
-		splash.appendChild(aiExperiments)
+		aiExperiments.classList.add('badge')
+		badges.appendChild(aiExperiments)
 
 		// break
 		const badgeBreak = document.createElement('div')
 		badgeBreak.id = 'badgeBreak'
-		splash.appendChild(badgeBreak)		
+		badges.appendChild(badgeBreak)		
 
 		const googleFriends = document.createElement('a')
 		googleFriends.id = 'googleFriends'
-		splash.appendChild(googleFriends)
+		googleFriends.classList.add('badge')
+		badges.appendChild(googleFriends)
 
 		const privacyAndTerms = document.createElement('div')
 		privacyAndTerms.id = 'privacyAndTerms'
@@ -69,6 +82,22 @@ class Splash extends events.EventEmitter{
 		splash.appendChild(privacyAndTerms)
 
 	}
+
+	get loaded(){
+		return this._loader.loaded
+	}
+
+	isOpen(){
+		return !this._clicked
+	}
+
+	show(){
+		this._splash.classList.remove('disappear')
+	}
+
+	hide(){
+		this._splash.classList.add('disappear')
+	}
 }
 
 export {Splash}

static/style/about.css

@@ -0,0 +1,155 @@
+/**
+ * Copyright 2016 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@import 'common.scss';
+
+#aboutButton {
+	$closeSize : 30px;
+	position: absolute;
+	top: 15px;
+	right: 15px;
+	width: $closeSize;
+	height: $closeSize;
+	cursor: pointer;
+	z-index: 1000;
+	transition: transform 0.1s;
+	text-align: center;
+
+	&:hover {
+		transform: scale(1.1);
+	}
+
+	&:before{
+		font-family: $font-family;
+		font-weight: bold;
+		width: 100%;
+		height: 100%;
+		position: absolute;
+		top: 0px;
+		right: 0px;
+		line-height: $closeSize;
+	}
+
+	&.close:before{
+		content: "✕";
+		font-size: 25px;
+		color: white;
+		background-color: transparent;
+
+	}
+	&.open:before{
+		content: "?";
+		background-color: white;
+		border-radius: 50%;
+
+	}
+}
+
+#about {
+	width: 100%;
+	height: 100%;
+	z-index: 10;
+	top: 0px;
+	left: 0px;
+	position: absolute;
+	overflow-y: auto;
+	display: none;
+
+	&.visible {
+		display: initial;
+	}
+
+	#content {
+		width: 90%;
+		margin: 50px auto 30px auto;
+		min-width: 300px;
+		max-width: 800px;
+		height: auto;
+		position: relative;
+		color: white;
+		font-family: $font-family;
+		position: relative;
+
+		#title {
+			font-family: $font-family;
+			font-size: 40px;
+			line-height: 30px;
+			margin: 20px 0px 30px 0px;
+			position: relative;
+		}
+
+		$smallScreen : 450px;
+		$mediumScreen : 700px;
+
+		#video {
+			width: 100%;
+			cursor: pointer;
+			position: relative;
+
+			@media (max-width: $smallScreen) {
+				height: 200px;
+			}
+
+			@media (min-width: $smallScreen) and (max-width: $mediumScreen) {
+				height: 380px;
+			}
+
+			@media (min-width: $mediumScreen){
+				height: 450px;
+			}
+
+			iframe {
+				width: 100%;
+				height: 100%;
+			}
+
+			#playButton {
+				pointer-events: none;
+				position: absolute;
+				top: 50%;
+				left: 50%;
+				transform: translate(-50%, -50%);
+				width: 100px;
+				height: 100px;
+				background-image: url(../images/play_button.svg);
+				background-size: 100% 100%;
+				display: none;
+
+				&.visible {
+					display: initial;
+				}
+			}
+
+			&:hover #playButton svg{
+				fill: blue;
+			}
+		}
+
+		#blurb {
+
+			position: relative;
+			text-transform: none;
+			margin-top: 30px;
+			font-size: 16px;
+			line-height: 25px;
+
+			a {
+				color: $orange;
+			}
+		}
+
+	}
+}

static/style/splash.css

@@ -1,6 +1,6 @@
 @import 'common.scss';
 
-$topMargin: 50px;
+$topMargin: 40px;
 
 #splash {
 	position: absolute;
@@ -9,7 +9,7 @@ $topMargin: 50px;
 	top: 0px;
 	left: 0px;
 	z-index: 100;
-	font-family: 'Quicksand', sans-serif;
+	font-family: $font-family;
 	font-weight: bold;
 	color: white;
 	transition: opacity 0.2s;
@@ -54,6 +54,30 @@ $topMargin: 50px;
 			font-weight: normal;
 		}
 
+		#magentaLink {
+			margin-top: $topMargin * 0.8;
+			letter-spacing: 0.8px;
+			line-height: 30px;
+			font-size: 20px;
+			width: 100%;
+			margin-left: auto;
+			margin-right: auto;
+			text-align: center;
+			font-weight: normal;
+			color: #aaa;
+			font-size: 14px;
+
+			a {
+				color: $orange;
+				text-decoration: underline;
+				cursor: pointer;
+				&:hover:active {
+					color: white;
+				}
+			}
+
+		}
+
 		$loaderWidth: 200px;
 		$loaderHeight: 60px;
 
@@ -144,50 +168,78 @@ $topMargin: 50px;
 		margin-top: $topMargin;
 	}
 
-	$badgeWidth : 80px;
+	$badgeWidth : 110px;
-	$badgeHeight: 50px;
+	$badgeHeight: 60px;
 	$badgeMargin : 20px;
 	$badegOpacity: 0.7;
 
-	#aiExperiments, #googleFriends {
+	$smallScreen : 500px;
-		width: $badgeWidth;
+	$smallBadgeWidth : 70px;
-		height: $badgeHeight;
+	$smallBadgeHeight: 40px;
+
+	#badges {
+
 		position: absolute;
+		display: inline-block;
 		bottom: $badgeMargin;
-		opacity: $badegOpacity;
-		background-repeat: no-repeat;
-		background-size: 100% 100%;
-	}
-
-	#aiExperiments {
 		left: $badgeMargin;
-		background-image: url(../images/badgeAI_master.svg);
 
-		&:hover {
+		@media (max-width: $smallScreen) {
-			opacity: 1;
+			// bottom: $badgeMargin * 0.5;
+		}
 
-			&:active {
+		.badge {
-				opacity: 0.3;
+			display: inline-block;
+			position: relative;
+			margin-right: $badgeMargin;
+			width: $badgeWidth;
+			height: $badgeHeight;
+			background-repeat: no-repeat;
+			background-size: 100% 100%;
+			opacity: $badegOpacity;
+
+			@media (max-width: $smallScreen) {
+				width: $smallBadgeWidth;
+				height: $smallBadgeHeight;				
+			}
+		}
+
+		#aiExperiments {
+			background-image: url(../images/badgeAI_master.svg);
+			&:hover {
+				opacity: 1;
+				&:active {
+					opacity: 0.3;
+				}
+			}
+		}
+
+		#googleFriends {
+			cursor: initial;
+			background-image: url(../images/badgeFriends_master.svg);	
+		}
+
+		#badgeBreak{
+			display: inline-block;
+			position: relative;
+			margin-right: $badgeMargin;
+
+			$breakScale : 0.95;
+
+			$breakHeight: $badgeHeight * $breakScale;
+			height: $breakHeight;
+			background-color: white;
+			opacity: $badegOpacity / 2;
+			width: 1px;
+
+			@media (max-width: $smallScreen) {
+				$smallBreakHeight: $smallBadgeHeight * $breakScale;
+				height: $smallBreakHeight;
 			}
 		}
 	}
 
-	#googleFriends {
-		cursor: initial;
-		left: $badgeWidth + $badgeMargin * 3;
-		background-image: url(../images/badgeFriends_master.svg);	
-	}
 
-	#badgeBreak{
-		$breakHeight: $badgeHeight * 0.8;
-		height: $breakHeight;
-		left: $badgeWidth + $badgeMargin * 1.8;
-		background-color: white;
-		opacity: $badegOpacity / 2;
-		position: absolute;
-		width: 1px;
-		bottom: $badgeMargin + ($badgeHeight - $breakHeight) / 2;
-	}
 
 	#privacyAndTerms {
 		position: absolute;
@@ -199,7 +251,7 @@ $topMargin: 50px;
 		* {
 			height: 14px;
 			line-height: 14px;
-			font-size: 14px;
+			font-size: 10px;
 			color: white;
 			display: inline;
 			opacity: $badegOpacity;