103 lines
3 KiB
JavaScript
103 lines
3 KiB
JavaScript
|
dojo.provide("dojox.cometd.callbackPollTransport");
|
||
|
|
dojo.require("dojox.cometd._base");
|
||
|
|
dojo.require("dojox.cometd.longPollTransport");
|
||
|
|
dojo.require("dojo.io.script");
|
||
|
|
|
||
|
|
dojox.cometd.callbackPollTransport = new function(){
|
||
|
|
|
||
|
|
this._connectionType = "callback-polling";
|
||
|
|
this._cometd = null;
|
||
|
|
|
||
|
|
this.check = function(types, version, xdomain){
|
||
|
|
// we handle x-domain!
|
||
|
|
return (dojo.indexOf(types, "callback-polling") >= 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.tunnelInit = function(){
|
||
|
|
var message = {
|
||
|
|
channel: "/meta/connect",
|
||
|
|
clientId: this._cometd.clientId,
|
||
|
|
connectionType: this._connectionType,
|
||
|
|
id: "" + this._cometd.messageId++
|
||
|
|
};
|
||
|
|
message = this._cometd._extendOut(message);
|
||
|
|
this.openTunnelWith([message]);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.tunnelCollapse = dojox.cometd.longPollTransport.tunnelCollapse;
|
||
|
|
this._connect = dojox.cometd.longPollTransport._connect;
|
||
|
|
this.deliver = dojox.cometd.longPollTransport.deliver;
|
||
|
|
|
||
|
|
this.openTunnelWith = function(content, url){
|
||
|
|
this._cometd._polling = true;
|
||
|
|
var script = {
|
||
|
|
load: dojo.hitch(this, function(data){
|
||
|
|
this._cometd._polling=false;
|
||
|
|
this._cometd.deliver(data);
|
||
|
|
this._cometd._backon();
|
||
|
|
this.tunnelCollapse();
|
||
|
|
}),
|
||
|
|
error: dojo.hitch(this, function(err){
|
||
|
|
this._cometd._polling = false;
|
||
|
|
this._cometd._publishMeta("connect",false);
|
||
|
|
this._cometd._backoff();
|
||
|
|
this.tunnelCollapse();
|
||
|
|
}),
|
||
|
|
url: (url || this._cometd.url),
|
||
|
|
content: { message: dojo.toJson(content) },
|
||
|
|
callbackParamName: "jsonp"
|
||
|
|
};
|
||
|
|
var connectTimeout = this._cometd._connectTimeout();
|
||
|
|
if(connectTimeout > 0){
|
||
|
|
script.timeout=connectTimeout;
|
||
|
|
}
|
||
|
|
dojo.io.script.get(script);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.sendMessages = function(/*array*/ messages){
|
||
|
|
for(var i = 0; i < messages.length; i++){
|
||
|
|
messages[i].clientId = this._cometd.clientId;
|
||
|
|
messages[i].id = ""+this._cometd.messageId++;
|
||
|
|
messages[i]=this._cometd._extendOut(messages[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
var bindArgs = {
|
||
|
|
url: this._cometd.url || dojo.config["cometdRoot"],
|
||
|
|
load: dojo.hitch(this._cometd, "deliver"),
|
||
|
|
callbackParamName: "jsonp",
|
||
|
|
content: { message: dojo.toJson( messages ) },
|
||
|
|
error: dojo.hitch(this, function(err){
|
||
|
|
this._cometd._publishMeta("publish",false,{messages:messages});
|
||
|
|
}),
|
||
|
|
timeout: this._cometd.expectedNetworkDelay
|
||
|
|
};
|
||
|
|
return dojo.io.script.get(bindArgs);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.startup = function(handshakeData){
|
||
|
|
if(this._cometd._connected){ return; }
|
||
|
|
this.tunnelInit();
|
||
|
|
}
|
||
|
|
|
||
|
|
// FIXME: what is this supposed to do? ;)
|
||
|
|
this.disconnect = dojox.cometd.longPollTransport.disconnect;
|
||
|
|
this.disconnect = function(){
|
||
|
|
var message = {
|
||
|
|
channel: "/meta/disconnect",
|
||
|
|
clientId: this._cometd.clientId,
|
||
|
|
id: "" + this._cometd.messageId++
|
||
|
|
};
|
||
|
|
message = this._cometd._extendOut(message);
|
||
|
|
dojo.io.script.get({
|
||
|
|
url: this._cometd.url || dojo.config["cometdRoot"],
|
||
|
|
callbackParamName: "jsonp",
|
||
|
|
content: { message: dojo.toJson([message]) }
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
this.cancelConnect = function(){}
|
||
|
|
}
|
||
|
|
|
||
|
|
dojox.cometd.connectionTypes.register("callback-polling", dojox.cometd.callbackPollTransport.check, dojox.cometd.callbackPollTransport);
|
||
|
|
|