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/* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
function get_appropriate_ws_url()
{
// From: https://gist.github.com/2428561
var parser = document.createElement('a');
parser.href = document.URL;
// We open the websocket encrypted if this page came on an
// https:// url itself, otherwise unencrypted
if(parser.protocol == "http:") parser.protocol = "ws:";
if(parser.protocol == "https:") parser.protocol = "wss:";
return parser.href;
}
var socket_task = new WebSocket(get_appropriate_ws_url(), "lws-task-protocol");
try {
socket_task.onopen = function() {
var connectEvent = new CustomEvent("connectEvent", {
detail: {
time: new Date(),
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(connectEvent);
}
socket_task.onmessage = function got_packet(msg) {
var messageEvent = new CustomEvent("messageEvent", {
detail: {
message: "recv [" + msg.data + "]",
time: new Date(),
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(messageEvent);
var msgs = new Array();
var idx = 0;
msgs[idx] = '';
var c = 0;
var instring = false;
for(c = 0; c < msg.data.length; c++) {
if(msg.data[c] == '"' && c > 0 && msg.data[c - 1] != '\\') instring = !instring;
if(msg.data[c] == ';' && instring == false) {
idx++;
msgs[idx] = '';
}
if(msg.data[c] != ';' || instring == true) msgs[idx] += msg.data[c];
}
f = 0;
while (f < msgs.length - 1) {
var msg = new Array();
instring = false;
idx = 0;
// Strip padding and trailing whitespace.
var msgstr = msgs[f].replace(/^\s+||\s+$/g,'');
if(msgstr == ';') {
f++;
continue;
}
msg[idx] = '';
for(c = 0; c < msgstr.length; c++) {
if(msgstr[c] == '"' && c > 0 && msgstr[c - 1] != '\\') {
instring = !instring;
continue;
}
if(msgstr[c] == ' ' && instring == false) {
msg[idx] = msg[idx].replace("\\\\","\\").replace("\\\"","\"");
idx++;
msg[idx] = '';
}
if(msgstr[c] != ' ' || instring == true) msg[idx] += msgstr[c];
}
var observeid = msg[0];
var cmd = msg[1];
var id = msg[2];
if(cmd == "remove") {
var removeEvent = new CustomEvent("removeEvent", {
detail: {
observeid: observeid,
id: id,
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(removeEvent);
}
else if(cmd == "move") {
var moveEvent = new CustomEvent("moveEvent", {
detail: {
observeid: observeid,
id: id,
parentid: msg[3],
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(moveEvent);
}
else if(cmd == "create") {
var createEvent = new CustomEvent("createEvent", {
detail: {
observeid: observeid,
id: id,
parentid: msg[3],
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(createEvent);
}
else if(cmd == "update") {
var updateEvent = new CustomEvent("updateEvent", {
detail: {
observeid: observeid,
id: id,
name: msg[3],
value: msg[4],
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(updateEvent);
}
f++;
}
}
socket_task.onclose = function(){
var disconnectEvent = new CustomEvent("disconnectEvent", {
detail: {
time: new Date(),
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(disconnectEvent);
}
} catch(exception) {
alert('<p>Error' + exception + '</p>');
}
function transmit(msg)
{
//LogEvent(msg);
var messageEvent = new CustomEvent("messageEvent", {
detail: {
message: "send [" + msg + "]",
time: new Date(),
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(messageEvent);
socket_task.send(msg);
}
function login(user, password)
{
transmit("login "+user+" "+password);
}
function logout()
{
transmit("logout");
}
function observe(id)
{
transmit("observe "+id);
}
function unobserve(id)
{
transmit("unobserve "+id);
}
function create(id, parent)
{
transmit("create "+id+" "+parent);
}
function update(id, name, value)
{
transmit("update "+id+" "+name+" "+value);
}
function remove(id)
{
transmit("remove "+id);
}
function move(id, parent)
{
transmit("move "+id+" "+parent);
}
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