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add ShowOff Client for communicating with a ShowOff node server.

see github.com/technoweenie/showoff-server
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1 parent 576312d commit bd9c05cb7cc137fc8988c0645512fed0dc0e0573 @technoweenie technoweenie committed Apr 4, 2010
Showing with 210 additions and 3 deletions.
  1. +96 −0 public/js/jquery.cookie.js
  2. +24 −0 public/js/jquery.uuid.js
  3. +80 −0 public/js/showoff.client.js
  4. +4 −0 public/js/showoff.js
  5. +6 −3 views/index.erb
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@@ -0,0 +1,96 @@
+/**
+ * Cookie plugin
+ *
+ * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
+ * Dual licensed under the MIT and GPL licenses:
+ * http://www.opensource.org/licenses/mit-license.php
+ * http://www.gnu.org/licenses/gpl.html
+ *
+ */
+
+/**
+ * Create a cookie with the given name and value and other optional parameters.
+ *
+ * @example $.cookie('the_cookie', 'the_value');
+ * @desc Set the value of a cookie.
+ * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
+ * @desc Create a cookie with all available options.
+ * @example $.cookie('the_cookie', 'the_value');
+ * @desc Create a session cookie.
+ * @example $.cookie('the_cookie', null);
+ * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
+ * used when the cookie was set.
+ *
+ * @param String name The name of the cookie.
+ * @param String value The value of the cookie.
+ * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
+ * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
+ * If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
+ * If set to null or omitted, the cookie will be a session cookie and will not be retained
+ * when the the browser exits.
+ * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
+ * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
+ * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
+ * require a secure protocol (like HTTPS).
+ * @type undefined
+ *
+ * @name $.cookie
+ * @cat Plugins/Cookie
+ * @author Klaus Hartl/klaus.hartl@stilbuero.de
+ */
+
+/**
+ * Get the value of a cookie with the given name.
+ *
+ * @example $.cookie('the_cookie');
+ * @desc Get the value of a cookie.
+ *
+ * @param String name The name of the cookie.
+ * @return The value of the cookie.
+ * @type String
+ *
+ * @name $.cookie
+ * @cat Plugins/Cookie
+ * @author Klaus Hartl/klaus.hartl@stilbuero.de
+ */
+jQuery.cookie = function(name, value, options) {
+ if (typeof value != 'undefined') { // name and value given, set cookie
+ options = options || {};
+ if (value === null) {
+ value = '';
+ options.expires = -1;
+ }
+ var expires = '';
+ if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
+ var date;
+ if (typeof options.expires == 'number') {
+ date = new Date();
+ date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
+ } else {
+ date = options.expires;
+ }
+ expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
+ }
+ // CAUTION: Needed to parenthesize options.path and options.domain
+ // in the following expressions, otherwise they evaluate to undefined
+ // in the packed version for some reason...
+ var path = options.path ? '; path=' + (options.path) : '';
+ var domain = options.domain ? '; domain=' + (options.domain) : '';
+ var secure = options.secure ? '; secure' : '';
+ document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
+ } else { // only name given, get cookie
+ var cookieValue = null;
+ if (document.cookie && document.cookie != '') {
+ var cookies = document.cookie.split(';');
+ for (var i = 0; i < cookies.length; i++) {
+ var cookie = jQuery.trim(cookies[i]);
+ // Does this cookie string begin with the name we want?
+ if (cookie.substring(0, name.length + 1) == (name + '=')) {
+ cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
+ break;
+ }
+ }
+ }
+ return cookieValue;
+ }
+};
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@@ -0,0 +1,24 @@
+/*
+Usage 1: define the default prefix by using an object with the property prefix as a parameter which contains a string value; {prefix: 'id'}
+Usage 2: call the function jQuery.uuid() with a string parameter p to be used as a prefix to generate a random uuid;
+Usage 3: call the function jQuery.uuid() with no parameters to generate a uuid with the default prefix; defaul prefix: '' (empty string)
+*/
+
+/*
+Generate fragment of random numbers
+*/
+jQuery._uuid_default_prefix = '';
+jQuery._uuidlet = function () {
+ return(((1+Math.random())*0x10000)|0).toString(16).substring(1);
+};
+/*
+Generates random uuid
+*/
+jQuery.uuid = function (p) {
+ if (typeof(p) == 'object' && typeof(p.prefix) == 'string') {
+ jQuery._uuid_default_prefix = p.prefix;
+ } else {
+ p = p || jQuery._uuid_default_prefix || '';
+ return(p+jQuery._uuidlet()+jQuery._uuidlet()+"-"+jQuery._uuidlet()+"-"+jQuery._uuidlet()+"-"+jQuery._uuidlet()+"-"+jQuery._uuidlet()+jQuery._uuidlet()+jQuery._uuidlet());
+ };
+};
@@ -0,0 +1,80 @@
+//alert($.uuid('c-'))
+//alert($.uuid('p-'))
+//$.ws.conn({
+// url : 'ws://localhost:3840/connect?to=master&id=client',
+// onopen : function () {
+// console.log('connected');
+// },
+// onmessage : function (data) {
+// console.log("received: " + data)
+// if(data == 'next') {
+// nextStep()
+// } else if(data == 'prev') {
+// prevStep()
+// } else if(data.match(/^\d+$/)) {
+// gotoSlide(data)
+// }
+// },
+// onclose : function (event) {
+// console.log('disconnected');
+// }
+//})
+
+(function($) {
+ var client = ShowOff.Client = function() {
+ this.id = $.cookie('showoff-client-id')
+ if(!this.id) {
+ this.id = $.uuid('c-')
+ $.cookie('showoff-client-id', this.id)
+ }
+ this.master = false;
+ }
+
+ // a no-op until the client is connected
+ client.send = client.sendToClients = function() {}
+
+ client.create = function() {
+ ShowOff.Client = new ShowOff.Client();
+ return ShowOff.Client;
+ }
+
+ client.prototype.watchPresentation = function(host, port, presentationId) {
+ var url = 'ws://' + host + ':' + port + '/connect?to=' + presentationId + '&id=' + this.id;
+ var cli = this;
+ this.socket = $.ws.conn({
+ url : url,
+ onmessage : this.onMessage,
+ onopen : function () {
+ console.log('connected to ' + url);
+ },
+ onclose : function () {
+ console.log('disconnected');
+ }
+ })
+ }
+
+ client.prototype.onMessage = function(data) {
+ var cli = ShowOff.Client;
+ console.log("recd: " + data)
+ switch(data) {
+ case 'master':
+ cli.master = true;
+ break;
+ case 'next':
+ nextStep();
+ break;
+ default:
+ if(data.match(/^\d+$/))
+ gotoSlide(data);
+ }
+ }
+
+ client.prototype.sendToClients = function(data) {
+ if(!this.master) return
+ this.send(data)
+ }
+
+ client.prototype.send = function(data) {
+ this.socket.send(data);
+ }
+})(jQuery)
View
@@ -1,5 +1,7 @@
/* ShowOff JS Logic */
+var ShowOff = {};
+
var preso_started = false
var slidenum = 0
var slideTotal = 0
@@ -112,6 +114,7 @@ function showSlide(back_step) {
}
removeResults()
+ ShowOff.Client.sendToClients(slidenum)
}
function getSlidePercent()
@@ -155,6 +158,7 @@ function nextStep()
incrElem.eq(incrCurr).show()
}
incrCurr++
+ ShowOff.Client.sendToClients('next')
}
}
View
@@ -10,13 +10,16 @@
<link rel="stylesheet" href="css/showoff.css" type="text/css"/>
<script type="text/javascript" src="/js/jquery-1.4.min.js"></script>
- <script type="text/javascript" src="/js/jquery-print.js"></script>
- <script type="text/javascript" src="/js/fg.menu.js"></script>
+ <script type="text/javascript" src="/js/jquery-print.js"></script>
+ <script type="text/javascript" src="/js/jquery.uuid.js"></script>
+ <script type="text/javascript" src="/js/jquery.cookie.js"></script>
+ <script type="text/javascript" src="/js/jquery.ws-0.3pre.js"></script>
+ <script type="text/javascript" src="/js/fg.menu.js"></script>
<script type="text/javascript" src="/js/showoff.js"></script>
+ <script type="text/javascript" src="/js/showoff.client.js"></script>
<script type="text/javascript" src="/js/jTypeWriter.js"> </script>
<script type="text/javascript" src="/js/sh_main.min.js"></script>
- <script type="text/javascript" src="/js/jquery.ws-0.3pre.js"></script>
<link type="text/css" href="/css/fg.menu.css" media="screen" rel="stylesheet" />
<link type="text/css" href="/css/theme/ui.all.css" media="screen" rel="stylesheet" />

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