--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Wikipedia/RssReader.js	Tue Mar 09 10:34:58 2010 +0000
@@ -0,0 +1,165 @@
+///////////////////////////////////////////////////////////////////////////////
+// RSS Reader from WRTKit examples, modified for Wikipedia widget
+
+// RSS reader class
+
+function RssReader(aFeedName, aFeedUrl, aFeedPresenter, aParent, aResponseParser){
+	this.responseParser = aResponseParser;
+	this.feedUpdateBroker = null;
+	this.feedUpdateBrokerActive = false;
+	this.feedName = aFeedName;
+	this.feedURL = aFeedUrl;
+	this.feedUpdateForced = false;
+	this.feedItemControls = [];
+	this.feedLastModified = 0;
+	this.feedPresenter = aFeedPresenter;
+	this.ignoreContent = false;
+	this.hasData = false;
+	this.startFromItem = 0;
+	this.maxItems = 0;
+	this.feedPresenter = 0;
+	if ( aFeedName != undefined ) {
+		this.init(aFeedName, aFeedUrl, aFeedPresenter, aParent, aResponseParser);
+	}
+}
+
+RssReader.prototype = new ListView(null, null);
+	
+RssReader.prototype.init = function (aFeedName, aFeedUrl, aFeedPresenter, aParent, aResponseParser){
+	this.previousView = aParent;
+	this.feedPresenter = aFeedPresenter;
+	this.responseParser = aResponseParser;
+	this.feedName = aFeedName;
+	this.feedURL = aFeedUrl;
+	if (aFeedPresenter != null) {
+		this.feedPresenter = aFeedPresenter;
+		this.feedPresenter.init(this);
+	} else {
+		this.feedPresenter = new HtmlFeedPresenter(this);
+	}
+	ListView.prototype.init.call(this, null, null);
+	
+	var caption = new NavigationButton(1, "titlebar.png", aFeedName, true);
+	caption.addEventListener("ActionPerformed", function(){wikiHomeView.show();});
+	this.addControl(caption);
+	// add pre-amble items (latest posts, new thread, reply etc)
+	this.feedPresenter.addPreambleItems();
+}	
+
+	
+// Callback function that gets called when a feed update has completed.
+RssReader.prototype.feedUpdateCompleted = function(event){
+	// remove cancel button
+	this.setupSoftKeys();
+	if (event.status == "ok") {
+		// if there aren't any feed items yet, we'll hide the progress dialog
+		
+		// check if the feed has updated
+		if (event.lastModified != this.feedLastModified) {
+			// remember the last modified timestamp
+			this.feedLastModified = event.lastModified;
+			
+			// feed fetched and parsed successfully
+			this.setFeedItems(event.items);			
+			this.feedPresenter.addFooterItems();
+			this.focusFirst();
+		}
+		uiManager.hideNotification();
+	}
+	else if (event.status != "cancelled") {
+		// show error message
+		uiManager.showNotification(3000, "warning", "Error loading page!");
+	}
+	
+	// reset the broker 
+	this.feedUpdateBroker = null;
+	this.feedUpdateBrokerActive = false;
+	
+	// reset commanded feed update flag
+	this.feedUpdateForced = false;
+}
+	
+RssReader.prototype.focusFirst = function(){
+	// focus the first feed item control
+	// (but only if we are in the main view)
+	if (this.feedItemControls.length > 0) {
+		this.feedItemControls[0].setFocused(true);
+	}
+}
+	
+// Removes feed items.
+RssReader.prototype.removeFeedItems = function (){
+	// remove all current feed items from the main view
+	for (var i = 0; i < this.feedItemControls.length; i++) {
+		this.removeControl(this.feedItemControls[i]);
+	}
+	
+	// reset feed item control array
+	this.feedItemControls = [];
+}
+	
+// Sets feed items.
+RssReader.prototype.addFeedItemControl = function(c){
+	this.feedItemControls.push(c);
+	this.addControl(c);
+}
+
+// Sets feed items.
+RssReader.prototype.setFeedItems = function (items){
+	// start by removing all current feed items
+	this.removeFeedItems();
+	
+	if (items.length == 0) {
+		this.feedPresenter.showNoItems();
+	}
+	else {
+		// create new feed items and add them to the main view
+		// use feed item pool to recycle controls
+		for (var i = 0; i < items.length; i++) {
+			var item = items[i];
+			this.feedPresenter.show(item);
+		}
+		
+	}
+	this.hasData = true;
+}
+	
+	
+// Update feed
+RssReader.prototype.update = function(forceFeedUpdate, notification){
+	if ( this.hasData && !forceFeedUpdate ) {
+		return;
+	}		
+	this.feedUpdateForced = forceFeedUpdate;
+	
+	if ( notification == undefined ) {
+		notification = true;
+	}
+	
+	// check if a feed update has been scheduled, if it's time to update now,
+	// and if there's no update currently in progress and if we're in the main view
+	if ((this.feedURL != null) && (!this.feedUpdateBrokerActive) ) { //&& (uiManager.getView() == this) ) {
+		// fetch the feed from the specified URL
+		this.feedUpdateBrokerActive = true;
+		this.feedUpdateBroker = new FeedUpdateBroker();
+		this.feedUpdateBroker.startFromItem = this.startFromItem;
+		this.feedUpdateBroker.maxItems = this.maxItems;
+		
+		if ( this.responseParser != null ) {
+			this.feedUpdateBroker.responseParser = this.responseParser;
+		}
+		this.feedUpdateBroker.ignoreContent = this.ignoreContent;
+		this.feedUpdateBroker.fetchFeed(this.feedURL, this);
+		// allow cancelling
+	    if (window.widget) {
+			var self = this;
+			menu.setRightSoftkeyLabel("Cancel", function(){
+				self.feedUpdateBroker.cancel(); self.setupSoftKeys();
+				uiManager.hideNotification();
+				});
+	    }
+		if (notification) {
+			uiManager.showNotification(-1, "wait", "Loading...", -1);
+		}
+	}
+}