dojo.provide("tm1.iwidget.utilities.IFrame");

dojo.require("bux.Helper");
dojo.require("bux.Encodings");

dojo.declare("tm1.iwidget.utilities.IFrame", dijit._Widget, {

	url: null,
	frameTitle: null,
	resizeZone: null,
	iframe: null,

	constructor: function(params) {
	},

	setUrl: function(url) {
		this.url = url;
		if (this.iframe) {
			this.iframe.src = this.prepareUrl(url);
		}
	},

	prepareUrl: function(url) {
		if (url === null || url === "") {
			return url;
		}
		
		url = bux.Helper.normalizeURL(url);
		return url;
	},

	setFrameTitle: function(title) {
		this.frameTitle = title;
		if (this.iframe) {
			this.iframe.title = bux.Encodings.htmlencode(title);
		}
	},

	startup: function() {
		this.inherited(arguments);

		var dn = this.domNode;
		var url = this.url;

		this.resizeZone = dn.ownerDocument.createElement("div");
		dn.appendChild(this.resizeZone);

		dn = (this.iframe = dojo.doc.createElement('iframe'));
		dn.id = this.id + "_iframe";
		dn.style.border = "none";
		dn.style.width = "100%";
		dn.frameBorder = 0;
		dn.tabIndex = 0;
		dn.title = this.frameTitle;
		dn.setAttribute('src', this.prepareUrl(url));
		this.resizeZone.appendChild(dn);

		if (dojo.isWebKit) {
			setTimeout(function() {
				dn.setAttribute('src', this.prepareUrl(url));
			}, 0);
		}
	},

	resize: function(size) {
		dijit.layout._LayoutWidget.prototype.resize.apply(this, arguments);
		if (dojo.isWebKit) {
			this.domNode.style.display = "none";
			setTimeout(dojo.hitch(this, function(){
				this.domNode.style.display = "";
			}), 1);
		}
	},

	layout: function() {
		this.resizeZone.style.height = this._contentBox.h + "px";
		if (this.iframe) {
			this.iframe.style.height = "100%";
		}
	}
});