Youtube视频播放&暂停取决于 jquery 框架的可见性 [英] Youtube video play & pause depend on visibility of the frame with jquery
问题描述
首先我要感谢 Kosmos 为他提供了惊人的 answer.
First I want to say thanks to Kosmos for his amazing answer.
如何控制 youtube 视频播放 &pause 取决于框架或播放器的可见性.有没有办法用带有 HTML 标签的 youtube 嵌入视频来做到这一点?
How to control youtube video play & pause depend on visibility of the frame or player. Is there any way to do this with youtube embed videos with HTML Tabs?
例如:
<br><br><br>
<div class="container">
<ul class="tabs">
<li class="tab-link current" data-tab="tab-1">Tab One</li>
<li class="tab-link" data-tab="tab-2">Tab Two</li>
<li class="tab-link" data-tab="tab-3">Tab Three</li>
<li class="tab-link" data-tab="tab-4">Tab Four</li>
</ul>
<div id="tab-1" class="tab-content current">
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
</div>
<div id="tab-2" class="tab-content">
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
</div>
<div id="tab-3" class="tab-content">
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
</div>
<div id="tab-4" class="tab-content">
<iframe id="playerA" width="300" height="220" src="https://www.youtube.com/embed/0_P4pKbvaII?rel=0" frameborder="0" allowfullscreen></iframe>
</div>
</div><!-- container -->
如果上述框架可见视频自动播放，并且框架隐藏或向下滚动，如 DEMO jsfiddle 它会自动暂停.
If the above frame visible the video autoplay and if the frame hide or scroll down like DEMO jsfiddle it will auto pause.
JS Answer 来自 Kosmos，即 使用滚动方法非常有效(感谢他)，这意味着如果用户滚动视频暂停并且再次滚动到视口中的视频帧，它就会开始播放.不，我的问题是如何使用 HTML 标签实现这一点
var LoadVideo = function(player_id){
var Program = {
Init: function(){
this.NewPlayer();
this.EventHandler();
},
NewPlayer: function(){
var _this = this;
this.Player = new YT.Player(player_id, {});
_this.Player.$element = $('#' + player_id);
},
Play: function(){
if( this.Player.getPlayerState() === 1 ) return;
this.Player.playVideo();
},
Pause: function(){
if( this.Player.getPlayerState() === 2 ) return;
this.Player.pauseVideo();
},
ScrollControl: function(){
if( Utils.IsElementInViewport(this.Player.$element[0]) ) this.Play();
else this.Pause();
},
EventHandler: function(){
var _this = this;
$(window).on('scroll', function(){
_this.ScrollControl();
});
}
};
var Utils = {
/** @author https://stackoverflow.com/a/7557433/1684970 */
IsElementInViewport: function(el){
if (typeof jQuery === "function" && el instanceof jQuery) el = el[0];
var rect = el.getBoundingClientRect();
return (
rect.top >= 0 &&
rect.left >= 0 &&
rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) &&
rect.right <= (window.innerWidth || document.documentElement.clientWidth)
);
}
};
Program.Init();
};
window.onload = function(){
LoadVideo('playerA');
LoadVideo('playerB');
LoadVideo('playerC');
// or (loop mode)
//$('iframe').each(function(){
// LoadVideo($(this).attr('id'));
//});
};
请帮助或分享您的想法将不胜感激.谢谢！
Please help or share your idea will be highly appreciate. Thanks!
推荐答案
好吧，我做了一个简单的例子来做你正在寻找的使用 Youtube Iframe API.
Well, I made a simple example to do what you are looking for using the Youtube Iframe API.
这是 jsfiddle:https://jsfiddle.net/kmsdev/gsfkL6xL/
Here's the jsfiddle: https://jsfiddle.net/kmsdev/gsfkL6xL/
这是代码(请参阅 API 文档以更好地理解它):
And here's the code (see the API docs to understand it better):
更新示例代码以匹配 OP 请求.我刚刚添加了一个活动处理程序来监听 tab 点击事件.不要忘记附加&enablejsapi=1 到 iframe 源 url，否则 API 将不起作用.因为现在的想法不仅仅是播放和停止视频通过滚动，也许这段代码不是最好的选择，但它仍然是解决方法.
Example code updated to match OP requests. I just added an event handler to listen to tab click events. Don't forget to append
&enablejsapi=1to the iframe source url, else the API won't work. Since the idea now is a little more than just play and stop the videos by scroll, maybe this code is not the best option, but it is still a workaround.
更新的 jsFiddle:https://jsfiddle.net/kmsdev/gsfkL6xL/3/
Updated jsFiddle: https://jsfiddle.net/kmsdev/gsfkL6xL/3/
var LoadVideo = function(player_id){
var Program = {
Init: function(){
this.NewPlayer();
this.EventHandler();
},
NewPlayer: function(){
var _this = this;
this.Player = new YT.Player(player_id, {});
_this.Player.$element = $('#' + player_id);
},
Play: function(){
console.log(this.Player.IsReady);
if( this.Player.getPlayerState() === 1 ) return;
this.Player.playVideo();
},
Pause: function(){
if( this.Player.getPlayerState() === 2 ) return;
this.Player.pauseVideo();
},
ScrollControl: function(){
if( Utils.IsElementInViewport(this.Player.$element[0]) ) this.Play();
else this.Pause();
},
EventHandler: function(){
var _this = this;
$(window).on('scroll', function(){
_this.ScrollControl();
});
$('.tab-link').on('click', function(){
var $target = $('#' + $(this).data().tab);
if( !!$('iframe', $target).length && $('iframe', $target).attr('id') == _this.Player.$element.attr('id') ){
_this.Play();
}
});
}
};
var Utils = {
/** @author http://stackoverflow.com/a/7557433/1684970 */
IsElementInViewport: function(el){
if (typeof jQuery === "function" && el instanceof jQuery) el = el[0];
var rect = el.getBoundingClientRect();
return (
rect.top >= 0 &&
rect.left >= 0 &&
rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) &&
rect.right <= (window.innerWidth || document.documentElement.clientWidth)
);
}
};
Program.Init();
};
window.onload = function(){
LoadVideo('playerA');
LoadVideo('playerB');
};
请随意使用和修改以达到您的目的.
Feel free to use and modify it for your purpose.
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