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luci-base: extend xhr.js

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Add timeout options to get() and post() and introduce XHR.stop() to support
stopping a poll operation.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2018-04-26 09:39:22 +02:00
parent 65479e3236
commit aa6c97154e
1 changed files with 28 additions and 6 deletions
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34
modules/luci-base/htdocs/luci-static/resources/xhr.js
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@ -39,7 +39,7 @@ XHR = function()
this._xmlHttp.abort();
}
this.get = function(url,data,callback)
this.get = function(url,data,callback,timeout)
{
this.reinit();
@ -54,6 +54,9 @@ XHR = function()
else
url += '?' + code;
if (!isNaN(timeout))
xhr.timeout = timeout;
xhr.open('GET', url, true);
xhr.onreadystatechange = function()
@ -76,7 +79,7 @@ XHR = function()
xhr.send(null);
}
this.post = function(url,data,callback)
this.post = function(url,data,callback,timeout)
{
this.reinit();
@ -89,6 +92,9 @@ XHR = function()
callback(xhr);
}
if (!isNaN(timeout))
xhr.timeout = timeout;
xhr.open('POST', url, true);
xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
xhr.send(code);
@ -168,7 +174,7 @@ XHR.get = function(url, data, callback)
(new XHR()).get(url, data, callback);
}
XHR.poll = function(interval, url, data, callback)
XHR.poll = function(interval, url, data, callback, post)
{
if (isNaN(interval) || interval < 1)
interval = 5;
@ -181,22 +187,38 @@ XHR.poll = function(interval, url, data, callback)
for (var i = 0, e = XHR._q[0]; i < XHR._q.length; e = XHR._q[++i])
{
if (!(XHR._t % e.interval) && !e.xhr.busy())
e.xhr.get(e.url, e.data, e.callback);
e.xhr[post ? 'post' : 'get'](e.url, e.data, e.callback, e.interval * 1000 - 5);
}
XHR._t++;
};
}
XHR._q.push({
var e = {
interval: interval,
callback: callback,
url: url,
data: data,
xhr: new XHR()
});
};
XHR._q.push(e);
XHR.run();
return e;
}
XHR.stop = function(e)
{
for (var i = 0; XHR._q && XHR._q[i]; i++) {
if (XHR._q[i] === e) {
e.xhr.cancel();
XHR._q.splice(i, 1);
return true;
}
}
return false;
}
XHR.halt = function()