【发布时间】：2016-10-22 02:19:27
【问题描述】：
快速提问，我为页面底部显示的嵌入式 YouTube 视频生成了一个自定义进度条。唯一的问题是，当从 YouTube 播放列表加载下一首歌曲时，该栏不会重置并开始跟踪下一首歌曲。我该如何解决这个问题？
另外，如果用户感兴趣，我将如何阻止用户点击嵌入的视频来暂停视频，但仍允许用户点击视频上弹出的广告？ Plug.dj 以某种方式做到了这一点：https://plug.dj/the-chillout-room/
到目前为止，这是我工作的一个 jsfiddle：https://jsfiddle.net/qrsqa5zy/
HTML：
<!DOCTYPE html>
<html>
<head>
<title>Chat</title>
<link rel="stylesheet" href="main.css">
</head>
<body>
<div class="header-bar">
<div class="bar">
<img src="C:\Users\jlewa\Desktop\assets\affinity_fm_only_letters.png" class="top-logo" style="float: left;">
<ul class="standard-nav" style="float: left;">
<li>Home</li>
<li>Lyrics Hub</li>
<li>Affinity LIVE</li>
<li>Merchandise</li>
</ul>
</div>
<div class="dropshadow"></div>
</div>
<div class="container-middle-third">
<div class="youtube-video" style="float: left;">
<div class="DJ-text">Affinity FM DJ Room</div>
<div class="DJ-underline"></div>
<div id="player" style="width: 853px; height: 480px;"></div></div>
</div>
<div class="chat" style="float: left;">
<div class="Chat-text">Chat</div>
<div class="Chat-underline"></div>
<input type="text" class="chat-name" placeholder="Chat">
<div class="info-rect">Info</div>
<div class="chat-messages"></div>
<textarea placeholder="Join the conversation..."></textarea>
<div class="chat-status">Status: <span>Idle</span></div>
</div>
</div>
<div class="bottom-bar">
<div class="thumbnail" style="float: left">
</div>
<div class="title-bar" style="float: left;">
<div class="song-name">Finding Hope - Let Go (feat. Deverano)</div>
<div class="dj-playing">Affinity FM is playing</div>
<div class="progress-background">
<div id="progress-bar" class="progress-bar"></div>
</div>
</div>
<div class="subscribe" style="float: left;"></div>
</div>
<script src="http://127.0.0.1:8080/socket.io/socket.io.js"></script>
<script>
(function() {
var getNode = function(s) {
return document.querySelector(s);
},
// Get required nodes
status = getNode('.chat-status span'),
messages = getNode('.chat-messages'),
textarea = getNode('.chat textarea'),
chatName = getNode('.chat-name'),
statusDefault = status.textContent,
setStatus = function(s){
status.textContent = s;
if(s !== statusDefault){
var delay = setTimeout(function(){
setStatus(statusDefault);
clearInterval(delay);
}, 3000);
}
};
//try connection
try{
var socket = io.connect('http://127.0.0.1:8080');
} catch(e){
//Set status to warn user
}
if(socket !== undefined){
//Listen for output
socket.on('output', function(data){
if(data.length){
//Loop through results
for(var x = 0; x < data.length; x = x + 1){
var message = document.createElement('div');
message.setAttribute('class', 'chat-message');
message.textContent = ': ' + data[x].message;
var name=document.createElement('span');
name.setAttribute('class', 'userName');
name.textContent = data[x].name;
message.insertBefore(name, message.firstChild);
//Append
messages.appendChild(message);
messages.insertBefore(message, messages.firstChild);
}
}
});
//Listen for a status
socket.on('status', function(data){
setStatus((typeof data === 'object') ? data.message : data);
if(data.clear === true){
textarea.value = '';
}
});
//Listen for keydown
textarea.addEventListener('keydown', function(event){
var self = this,
name = chatName.value;
if(event.which === 13 && event.shiftKey === false){
socket.emit('input', {
name: name,
message: self.value
});
}
});
}
})();
</script>
<script>
var time_total;
var timeout_setter;
var player;
var tag = document.createElement("script");//This code loads the IFrame Player API code asynchronously
tag.src = "https://www.youtube.com/iframe_api";
var firstScriptTag = document.getElementsByTagName("script")[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
//This function creates an <iframe> (and YouTube player) OR uses the iframe if it exists at the "player" element after the API code downloads
function onYouTubeIframeAPIReady()
{
player = new YT.Player("player",
{
height: "853",
width: "480",
/* videoId: "GGmxVDXM5X2UxaP9PvWQ4Z171DXyGcq", */
playerVars: {
listType:'playlist',
list: 'PL_GGmxVDXM5X2UxaP9PvWQ4Z171DXyGcq',
controls: '0',
html5: '1',
cc_load_policy: '0',
disablekb: '1',
iv_load_policy: '3',
modestbranding: '1',
showinfo: '0',
rel: '0',
},
events:
{
"onReady": onPlayerReady,
"onStateChange": onPlayerStateChange
}
});
}
//The API will call this function when the video player is ready
function onPlayerReady(event)
{
event.target.playVideo();
time_total = convert_to_mins_and_secs(player.getDuration(), 1);
loopy();
}
function loopy()
{
var current_time = convert_to_mins_and_secs(player.getCurrentTime(), 0);
document.getElementById("progress-bar").style.width = (player.getCurrentTime()/player.getDuration())*100+"%";
console.log( current_time + " / " + time_total);
timeout_setter = setTimeout(loopy, 1000);
}
function convert_to_mins_and_secs(seconds, minus1)
{
var mins = (seconds>=60) ?Math.round(seconds/60):0;
var secs = (seconds%60!=0) ?Math.round(seconds%60):0;
var secs = (minus1==true) ?(secs-1):secs; //Youtube always displays 1 sec less than its duration time!!! Then we have to set minus1 flag to true for converting player.getDuration()
var time = mins + ":" + ((secs<10)?"0"+secs:secs);
return time;
}
// 5. The API calls this function when the player's state changes
function onPlayerStateChange(event)
{
if (event.data == YT.PlayerState.ENDED)
{
console.log("END!");
clearTimeout(timeout_setter);
}
else
{
console.log(event.data);
}
}
</script>
</body>
</html>
CSS：
body {
background-color: #0f0f17;
margin: 0px;
width: 100%;
}
.container-middle-third{
margin-top: 20px;
margin-left: 155px;
}
body,
textarea,
input {
font: 13px "Raleway", sans-serif;
color: #ffffff;
}
.bar{
height: 80px;
width: 100%;
background-color: #15151d;
}
.top-logo{
max-height: 100%;
max-width: 100%;
margin-left: 4%
}
li{
display: inline;
padding-right: 20px;
}
.standard-nav {
list-style: none;
padding: 0;
text-transform: uppercase;
line-height: 13px;
font-weight: 700;
margin-left: 63%;
max-height: 100%;
}
.DJ-text{
font-weight: 700;
/*position:relative;*/
text-transform: uppercase;
}
.Chat-text{
font-weight: 700;
text-transform: uppercase;
}
.DJ-underline{
width: 850px;
height: 1px;
position:relative;top:10px;
background-color: #3f3f45;
margin: 0px 0px 40px;
}
.Chat-underline{
width: 100%;
position:relative;
/*left:-140px;*/
float:right;
height: 1px;
position:relative;top:10px;
background-color: #3f3f45;
margin: 0px 0px 40px;
}
.youtube-video{
}
.transparent-layer{
width: 850px;
height: 477px;
pointer-events: none;
background-color: #ffffff;
}
.ad{
width: 728px;
height: 90px;
border: 1px solid #000000;
margin-left: 11px;
margin-top: 20px;
}
.chat {
min-width: 400px;
margin: 0px 0px 0px 135px;
}
.chat-messages,
.chat-textarea,
.chat-name {
border: 1px solid #1a1a23;
background-color: #1a1a23;
}
.userName{
font-weight: 700;
color: #079ce0;
}
.chat-messages {
width:380px;
height:400px;
overflow-y:scroll;
padding:10px;
}
.chat-message {
margin-bottom:10px;
}
.info-rect{
height: 40px;
width: 180px;
padding:10px;
max-width: 100%;
margin:0;
border:0;
display: flex;
align-items: center;
justify-content: center;
font-weight: 700;
text-transform: uppercase;
background-color: #15151d
}
.chat-name{
height: 40px;
max-width: 100%;
width: 180px;
padding:10px;
border:0;
margin:0;
font-weight: 700;
text-transform: uppercase;
float:left;
text-align: center;
}
.chat textarea {
width:380px;
padding:10px;
margin:0;
border-top:0;
max-width:100%;
border-top: 1px solid #0f0f17;
border-bottom: 1px solid #1a1a23;
border-right: 1px solid #1a1a23;
border-left: 1px solid #1a1a23;
background-color: #1a1a23;
}
.chat-status {
color: #bbb;
opacity: 0;
background-color: #0f0f17;
}
.info-rect,
.chat textarea,
.chat-name {
max-width: 100%;
}
.bottom-bar{
position: fixed;
bottom: 0;
width: 100%;
}
.thumbnail{
width: 4%;
height: 80px;
opacity: 0;
background-color: #ffffff
}
.title-bar{
width:63%;
height: 80px;
background-color: #1a1a23;
}
.song-name{
font-weight: 700;
text-transform: uppercase;
margin-left: 30px;
margin-top: 25px;
}
.dj-playing{
margin-left: 30px;
}
.progress-background{
width: 63%;
height: 4px;
background-color: #313139;
position: fixed;
bottom: 0;
}
.progress-bar{
height: 4px;
transition: all 1s linear;
background-color: #fa1d57;
bottom: 0;
}
.subscribe{
width: 33%;
height: 80px;
background-color: #15151d;
}
【问题讨论】：
标签： html css user-interface video youtube-api