diaspora/public/javascripts/diaspora.js
Dan Hansen 545611fffa green?
2011-08-21 20:45:51 -05:00

77 lines
No EOL
2.2 KiB
JavaScript

/* Copyright (c) 2010, Diaspora Inc. This file is
* licensed under the Affero General Public License version 3 or later. See
* the COPYRIGHT file.
*/
(function() {
var Diaspora = {
Pages: {},
Widgets: {}
};
Diaspora.EventBroker = {
extend: function(Klass) {
var whatToExtend = (typeof Klass === "function") ? Klass.prototype : Klass;
$.extend(whatToExtend, {
eventsContainer: $({}),
publish: function(eventName, args) {
var eventNames = eventName.split(" ");
for(eventName in eventNames) {
this.eventsContainer.trigger(eventNames[eventName], args);
}
},
subscribe: function(eventName, callback, context) {
var eventNames = eventName.split(" ");
for(eventName in eventNames) {
this.eventsContainer.bind(eventNames[eventName], $.proxy(callback, context));
}
}
});
return whatToExtend;
}
};
Diaspora.BaseWidget = {
instantiate: function(Widget, element) {
if(typeof Diaspora.Widgets[Widget] === "undefined") { throw new Error("Widget " + Widget + " does not exist"); }
$.extend(Diaspora.Widgets[Widget].prototype, Diaspora.EventBroker.extend(Diaspora.BaseWidget));
var widget = new Diaspora.Widgets[Widget](),
args = Array.prototype.slice.call(arguments, 1);
widget.publish("widget/ready", args);
return widget;
},
globalSubscribe: function(eventName, callback, context) {
if(typeof callback === "undefined") { throw new Error("Callback must be defined for event: " + eventName); }
Diaspora.page.subscribe(eventName, callback, context);
},
globalPublish: function(eventName, args) {
Diaspora.page.publish(eventName, args);
}
};
window.Diaspora = Diaspora;
})();
$(function() {
if (typeof Diaspora.Pages[Diaspora.Page] === "undefined") {
Diaspora.page = Diaspora.EventBroker.extend(Diaspora.BaseWidget);
return;
}
var Page = Diaspora.Pages[Diaspora.Page];
$.extend(Page.prototype, Diaspora.EventBroker.extend(Diaspora.BaseWidget));
Diaspora.page = new Page();
Diaspora.page.publish("page/ready", [$(document.body)])
});