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receiver.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<title>FM4cast</title>
<script type="text/javascript" src="https://d3js.org/d3.v5.min.js"></script>
<script type="text/javascript" src="https://d3js.org/d3-time.v1.min.js"></script>
<script src="//www.gstatic.com/cast/sdk/libs/caf_receiver/v3/cast_receiver_framework.js"></script>
<style type="text/css">
.chart {
shape-rendering: crispEdges;
background-color: black;
}
body {
background-color: #414141;
color: black;
font-family: Verdana;
}
.miniItem0 {
fill: darksalmon;
stroke-width: 6;
}
.itemDiv {
height: 100%;
width: 100%;
display: table;
background: #c1c1c1;
outline: solid 0.2vw #ffe501;
font-size: 1.5vw;
position: relative;
}
.itemText {
display: table-cell;
vertical-align: middle;
padding: 0.5vw;
}
#tAxis {
color: white;
font-size: 1vw;
}
#tAxis .domain {
stroke: none;
}
#tAxis .tick line {
stroke-width: 0.2vw;
}
.bar_wrapper {
width: calc(100% - 1vw) ;
height: 0;
padding-bottom: 24.8%; /* calc(100%/875*217); */
position: relative;
}
.bar_wrapper_half {
width: calc(100% - 1vw) ;
height: 0;
padding-bottom: 18%; /* calc(100%/875*217); */
position: relative;
}
.bar-item {
width: 100%;
height: 100%;
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
border: none;
}
div#show {
background-size: cover;
background-position: 50%;
background-repeat: no-repeat;
}
img.logo {
width: 10vw;
margin: 2vw;
}
.current-caption {
background-color: rgba(0, 0, 0, 0.23);
display: inline-block;
position: absolute;
bottom: 0;
left: 0;
padding: 0.5vw;
font-weight: bold;
text-transform: uppercase;
color: white;
}
.mode {
padding: 0.5vw;
font-size: 2vw;
}
#showTitle {
padding: 0 0.5vw;
font-size: 3vw;
}
.app {
width: 90vw;
margin: 2vw auto;
}
#showInfo {
padding: 1vw;
background: #c1c1c1;
color: black;
font-size: 1.5vw;
}
#begleitText p {
margin: 1vw 0;
}
#showTitle2 {
font-weight: bold;
text-transform: uppercase;
}
#timeline {
margin: -0.5vw 0;
}
#timeline, .bar_wrapper, #showInfo {
border: solid 0.5vw #ffe501;
}
#artwork {
width: 15vw;
height: 15vw;
border: 1vw #c1c1c1a0 solid;
position: absolute;
right: 0;
top: 0;
margin: 2vw;
background-size: contain;
background-repeat: no-repeat;
background-position: 50%;
color:white;
}
.nowMarker {
stroke: #ffe501;
fill: #ffe501;
stroke-width: 0.2vw;
}
.itemDiv div {
display: -webkit-box;
width: 100%;
max-height: 50%;
margin: 0.2vw;
-webkit-box-orient: vertical;
-webkit-line-clamp:3;
overflow: hidden;
text-overflow: ellipsis;
position:absolute;
text-align:center;
}
#begleitText p {
display: -webkit-box;
margin: 0.2vw 0;
-webkit-box-orient: vertical;
-webkit-line-clamp: 4;
overflow: hidden;
text-overflow: ellipsis;
}
.itemDiv .song {
font-weight: bold;
bottom:50%;
}
.itemDiv .artist {
top:50%;
}
#artworkOverlay {
background-color: rgba(0, 0, 0, 0.7);
height: 100%;
width: 100%;
}
foreignObject.active .itemDiv {
background-color: #414141;
color: #ffe501;
z-index: 99;
}
</style>
</head>
<body>
<div class="app">
<div class="bar_wrapper">
<div id="show" class="bar-item">
<img class="logo" src="//tubestatic.orf.at/mojo/1_3/storyserver/tube/fm4/images/fm4.logo.svg" alt="FM4-Logo">
<div class="current-caption">
<div class="mode">jetzt live</div>
<div id="showTitle"></div>
</div>
<div id="artwork" style="display:none;">
<div id="artworkOverlay">
<div id="cSong"></div>
<div id="cArtist"></div>
</div>
</div>
</div>
</div>
<div class="bar_wrapper_half">
<div id="timeline" class="bar-item"></div>
</div>
<div id="showInfo">
<div id="showTitle2"></div>
<div id="begleitText"></div>
</div>
</div>
<script type="text/javascript">
//data
function isDebug() {
return window.location.search === "?debug";
}
function getNow() {
return isDebug()
? new Date(1541171851000)
: new Date();
}
function getDataUrl() {
return isDebug()
? '/test_data/live.json'
: 'https://audioapi.orf.at/fm4/api/json/current/live';
}
function bestImage(imageData) {
if (!imageData || !imageData.versions) {
return '';
}
return imageData.versions.sort((a,b) => b.width - a.width)[0].path;
}
function getTimeRange(date) {
return [d3.timeMinute.offset(date, -20), d3.timeMinute.offset(date, 5)];
}
function uniqueItem(value, index, self) {
return self.findIndex((e) => e.id === value.id) === index;
}
var items = [];
async function reloadData(force) {
// if (!force && new Date().getMinutes() % 5 != 0) {
// return json;
// }
var response = await fetch(getDataUrl());
json = await response.json();
var now = getNow();
items = [];
json.forEach(function(show) {
items = items.concat(show.items);
if (now > show.start && now < show.end) {
document.getElementById("show").style.backgroundImage = "url(" + bestImage(show.images[0]) + ")";
document.getElementById("showTitle").innerText = show.title;
document.getElementById("showTitle2").innerText = show.title;
document.getElementById("begleitText").innerHTML = show.subtitle;
}
});
items = items.filter(uniqueItem);
return items;
}
async function init() {
var now = getNow();
var m = [0, 0, 0, 0], //top right bottom left
w = document.getElementById('timeline').clientWidth - m[1] - m[3],
h = document.getElementById('timeline').clientHeight - m[0] - m[2],
mainHeight = h - 50;
items = await reloadData(true);
//scales
var x1 = d3.scaleTime()
.domain(getTimeRange(now))
.range([0, w]);
window.x1 = x1;
var axis = d3.axisBottom(x1);
axis.ticks(d3.timeMinute.every(1));
axis.tickFormat(d3.timeFormat("%H:%M"))
axis.tickSize(h / 12);
var chart = d3.select("#timeline")
.append("svg")
.attr("width", w + m[1] + m[3])
.attr("height", h + m[0] + m[2])
.attr("class", "chart");
var main = chart.append("g")
.attr("width", w)
.attr("height", mainHeight)
.attr("class", "main");
main.append("g")
.attr('id', 'tAxis')
.call(axis);
var itemRects = main.append("g")
.attr("id", "songs");
var symbol = d3.symbol().size([h])
var line = d3.line()
.x(function(d) { return x1(d['x']); })
.y(function(d) { return d['y']; });
main.append('path')
.attr('class','nowMarker')
.attr('d', line([{x:now, y: 5 },{x:now, y:h}]));
main.append('path')
.attr('class','nowMarker')
.attr('d', symbol.type(d3.symbolTriangle))
.attr('x', x1(now))
.attr('transform', 'translate('+x1(now)+', 0), scale(1,-1)');
display(true);
window.setInterval(display, 1000);
window.setInterval(reloadData, 60 * 1000);
function display(force) {
var now = getNow();
if (!force && now.getSeconds() % 5 != 0) {
return;
}
var rects, labels,
minExtent = x1.domain()[0].getTime(),
maxExtent = x1.domain()[1].getTime(),
visItems = items.filter(function(d) {
return (d.type == 'M' || d.type == 'N' || d.type == 'B' || d.type == null) && d.end > minExtent;
});
var currentSong = visItems.find(function(i) { return i.type == 'M' && i.start < now.getTime() && i.end > now.getTime(); });
items = visItems;
var artwork = document.getElementById('artwork');
if (currentSong) {
artwork.style.backgroundImage = 'url(' + bestImage(currentSong.images[0]) + ')';
artwork.style.display = 'block';
document.getElementById('cSong').innerText = currentSong.title;
document.getElementById('cArtist').innerText = currentSong.interpreter;
document.getElementById('artworkOverlay').style.display = currentSong.images[0].category == 'imgcov-fallback' ? 'block' : 'none';
} else {
artwork.style.display = 'none';
}
x1.domain(getTimeRange(now));
main.select("#tAxis").call(axis);
var ticks = d3.selectAll(".tick text");
ticks.attr("class", function(d, i) {
if (d.getMinutes() % 5 != 0) d3.select(this).remove();
});
//update the item labels
labels = itemRects.selectAll("foreignObject")
.data(visItems, function(d) {
return d.title;
})
.attr("x", function(d) {
return x1(new Date(d.start));
})
.attr('class',(d) => {
return d.state === 'P' && d.end > now.getTime() ? 'active' : '';
});
labels.enter().append("foreignObject")
.attr("x", function(d) {
return x1(new Date(d.start));
})
.attr("y", function(d) {
return h / 5;
})
.attr("width", function(d) {
return x1(new Date(d.end)) - x1(new Date(d.start));
})
.attr("height", function(d) {
return h * 0.7;
})
.attr("text-anchor", "start")
.attr('class',(d) => {
return d.state === 'P' && d.end > now.getTime() ? 'active' : '';
})
.append("xhtml:div")
.attr('class','itemDiv')
.html(function(d) {
return "<div class='song'>" +(d.title || '') + "</div>" +
"<div class='artist'>" + (d.interpreter || d.subtitle || '') + "</div>";
});
labels.exit().remove();
}
}
init();
</script>
<audio class="castMediaElement"></audio>
<script type="text/javascript">
const context = cast.framework.CastReceiverContext.getInstance();
const playerManager = context.getPlayerManager();
playerManager.addEventListener(cast.framework.events.category.CORE,
event => {
console.log(event);
});
const playerData = {};
const playerDataBinder = new cast.framework.ui.PlayerDataBinder(playerData);
playerDataBinder.addEventListener(
cast.framework.ui.PlayerDataEventType.STATE_CHANGED,
e => {
console.log(e);
});
const options = new cast.framework.CastReceiverOptions();
context.start(options);
</script>
</body>
</html>