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// **********************************************************************
//
// Copyright (c) 2003-2014 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
(function(){
//
// Initialize the communicator.
//
var communicator = Ice.initialize();
function sayHello()
{
Ice.Promise.try(
function()
{
setState(State.Busy);
//
// Create a proxy for the hello object
//
var hostname = document.location.hostname || "127.0.0.1";
var proxy = communicator.stringToProxy("hello:ws -h " + hostname + " -p 10000");
//
// Down-cast this proxy to the derived interface Demo::Hello
// using checkedCast, and invoke the sayHello operation if
// the checkedCast succeeds.
//
return Demo.HelloPrx.checkedCast(proxy).then(
function(hello)
{
return hello.sayHello();
});
}
).exception(
function(ex)
{
//
// Handle any exceptions thrown above.
//
$("#output").val(ex.toString());
}
).finally(
function()
{
setState(State.Idle);
}
);
return false;
}
//
// Handle the client state
//
var State = {
Idle: 0,
Busy: 1
};
var state;
function setState(newState)
{
function assert(v)
{
if(!v)
{
throw new Error("Assertion failed");
}
}
assert(state !== newState);
switch(newState)
{
case State.Idle:
{
assert(state === undefined || state == State.Busy);
//
// Hide the progress indicator.
//
$("#progress").hide();
$("body").removeClass("waiting");
//
// Enable buttons
//
$("#hello").removeClass("disabled").click(sayHello);
break;
}
case State.Busy:
{
assert(state == State.Idle);
//
// Clear any previous error messages.
//
$("#output").val("");
//
// Disable buttons.
//
$("#hello").addClass("disabled").off("click");
//
// Display the progress indicator and set the wait cursor.
//
$("#progress").show();
$("body").addClass("waiting");
break;
}
}
state = newState;
}
//
// Start in the idle state
//
setState(State.Idle);
}());
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