057d498fd4
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3719 fd906abe-77d9-0310-91a1-e0d9ade77398
124 lines
3.1 KiB
JavaScript
124 lines
3.1 KiB
JavaScript
/*
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* Copyright (c) 2010 Helmut Merz helmutm@cy55.de
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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// $Id$
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dojo.provide('jocy.talk');
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dojo.declare('jocy.talk.Connection', null, {
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info: 'jocy.talk Connection',
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constructor: function() {
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this.receiver = null;
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this.polling = false;
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this.id = null;
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},
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open: function(receiver, id) {
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this.receiver = receiver;
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if (id != undefined) {
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this.id = id;
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} else {
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this._getid();
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}
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this._poll();
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return this.id;
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},
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close: function() {
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return dojo.xhrPost({
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url: '/.stop/' + this.id,
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load: dojo.hitch(this, function(response, ioArgs) {
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this.polling = false;
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})
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});
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},
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send: function(path, data) {
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return dojo.xhrPost({
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url: '/.send/' + this.id + path,
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postData: dojo.toJson(data)
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});
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},
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// private methods
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_getId: function() {
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return dojo.xhrPost({
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url: '/.getid',
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sync: true,
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load: dojo.hitch(this, function(response, ioArgs) {
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this.id = response;
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})
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});
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},
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_poll: function() {
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if (this.polling) {
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return;
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}
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if (this.id == undefined) {
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this._getId();
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}
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this.polling = true;
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return dojo.xhrPost({
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url: '/.poll/' + this.id,
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handleAs: 'json',
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error: dojo.hitch(this, this._handlePollError),
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load: dojo.hitch(this, this._handlePollResponse)
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});
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},
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_handlePollResponse: function(response, ioArgs) {
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if (!this.polling) {
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return;
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}
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this.polling = false;
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t = response.type;
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switch (response.type) {
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case 'stop':
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break;
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case 'idle':
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this._poll();
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break;
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case 'error':
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self.receiver(response.data);
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break;
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case 'data':
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this._poll();
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self.receiver(response.data);
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break;
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default:
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this.poll();
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}
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},
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_handlePollError: function(response, ioArgs) {
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if (!this.polling) {
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return;
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}
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this.polling = false;
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this._poll();
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}
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});
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jocy.talk.connection = new jocy.talk.Connection();
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