--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/See09/twitter.js Thu Oct 22 15:52:58 2009 +0100
@@ -0,0 +1,130 @@
+// ////////////////////////////////////////////////////////////////////////////
+// Symbian Foundation Example Code
+//
+// This software is in the public domain. No copyright is claimed, and you
+// may use it for any purpose without license from the Symbian Foundation.
+// No warranty for any purpose is expressed or implied by the authors or
+// the Symbian Foundation.
+// ////////////////////////////////////////////////////////////////////////////
+
+
+var twitterurl = "http://twitter.com/statuses/user_timeline/21138778.rss";
+
+function Twitter(parentView) {
+ this.parentView = parentView;
+ this.buttons = null;
+ this.numToShow = 5;
+ this.http = null;
+}
+
+Twitter.prototype.Update = function(numToShow){
+ this.numToShow = numToShow;
+ if ( this.buttons == null ) {
+ // add the separator
+ var separator = new NavigationButton(null, "tweetz-icon.png", "<img src='tweetz.png' border=0>");
+ separator.setEnabled(false);
+ this.parentView.addControl(separator);
+ // create buttons
+ this.buttons = new Array();
+ for( var i = 0 ; i < this.numToShow; i++ ) {
+ var button = new NavigationButton("twitter_button_"+i, null , "");
+ this.parentView.addControl(button);
+ this.buttons.push(button);
+ }
+ this.buttons[0].setText("Loading twitter feed...");
+ }
+ var self = this;
+ // get the rss
+ // Prepare synchronous download
+ this.http = new Ajax();
+ this.http.open("GET", twitterurl , true); // false means synchronous
+ this.http.onreadystatechange = function() { self.DoUpdate(); };
+ this.http.send(null);
+}
+
+Twitter.prototype.DoUpdate = function(){
+ if (this.http.readyState == 4) {
+
+ try {
+ // Get parsed Doc
+ var xmlDoc = this.http.responseXML;
+ if (xmlDoc == null) {
+ // if the content type is not set correctly, we get the response as text
+ var xmlparser = new DOMParser();
+ xmlDoc = xmlparser.parseFromString(this.http.responseText, "text/xml");
+ }
+ var itemElements = xmlDoc.getElementsByTagName("item");
+ var loopEnd = Math.min(this.numToShow, itemElements.length);
+ // traverse elements and create buttons
+ for (var i = 0; i < loopEnd; i++) {
+ // iterate through child nodes of this item and gather tweets
+ var title = null;
+ var date = null;
+
+ node = itemElements[i].firstChild;
+ while (node != null) {
+ if (node.nodeType == Node.ELEMENT_NODE) {
+ if (node.nodeName == "title") {
+ // item title
+ title = getTextOfNode(node);
+ }
+ else
+ if (node.nodeName == "pubDate" || node.nodeName == "dc:date") {
+ // item publishing date
+ date = getTextOfNode(node);
+ }
+ }
+ node = node.nextSibling;
+ }
+
+ this.buttons[i].setText("<font size=0.6em><i>" + date + "</i> " + title + "</font>");
+ this.buttons[i].setImage("tweet.png");
+ }
+ }
+ catch (x) {
+ this.buttons[0].setText("<font size=0.6em>Uh-Oh! Tweetz not tweeting right now.</font>");
+ for (var i = 0; i < this.numToShow; i++) {
+ this.buttons[i].setText("");
+ this.buttons[i].setImage(null);
+ }
+ }
+ }
+}
+
+// Returns the text of a node.
+function getTextOfNode(node) {
+ var buf = "";
+ // iterate through all child elements and collect all text to the buffer
+ var child = node.firstChild;
+ while (child != null) {
+ if (child.nodeType == Node.TEXT_NODE || child.nodeType == Node.CDATA_SECTION_NODE) {
+ // append text to buffer
+ if (buf != "") {
+ buf += " ";
+ }
+ buf += child.nodeValue;
+ }
+ child = child.nextSibling;
+ }
+ // make link if there is a url
+ var ind = buf.indexOf("http://");
+ var endind = buf.indexOf(" ", ind);
+ if ( ind != -1 ) {
+ var tmp = buf.substring(0,ind);
+ var url = "";
+ if ( endind == -1 ) {
+ url = buf.substring(ind);
+ } else {
+ url = buf.substring(ind, endind);
+ }
+ tmp += "<div class=\"FeedItemLink\">";
+ tmp += "<a href=\"JavaScript:void(0)\" onclick=\"openURL('" + url + "'); return false;\">";
+ tmp += url + "</a></div>";
+
+ if ( endind != -1 ) {
+ tmp += buf.substring(endind);
+ }
+ buf = tmp;
+ }
+ return buf;
+}