Google Reader Starter

app.js

Titanium.UI.setBackgroundColor('#fff');

Ti.include( "js/greader.js");


var win = Ti.UI.createWindow({
	
});

var button1 = Ti.UI.createButton({
	top:5,
	height:30,
	width:100,
	title:'login',
	left:5
});

button1.addEventListener('click', function(e){
	greader.login( "YOUREMAIL" , "YOURPASSWORD" );
});

win.add(button1);

var button2 = Ti.UI.createButton({
	top:5,
	height:30,
	width:100,
	title:'get feeds',
	left:115,
	enabled: false
});

button2.addEventListener('click', function(e){
	greader.getFeeds();
});

win.add(button2);

var label = Ti.UI.createLabel({
	top : 5,
	left: 220,
	height: 30,
	text:"Click the button to get started"
});

win.add( label );

var table = Ti.UI.createTableView({
  top : 45
});

win.add(table)

Ti.App.addEventListener('greader.logincomplete', function(e){
	Ti.API.debug('Google Reader Login complete' );
	if( e.success ){
	  label.text = "login successful";
	  button2.enabled = true;
	} else {
	  label.text = e.message; 
	}
});

Ti.App.addEventListener('greader.feeds', function(e){
	if( e.success ){
	  label.text = "feeds fetched successfully";
	  Ti.API.debug( e.data );
	  var subs = [];
	  for( var i = 0; i < e.data.subscriptions.length ; i++ ){
	  	subs.push( {title :  e.data.subscriptions[i].title });
	  }
	  table.setData( subs );
	} else {
	  label.text = e.message; 
	}
});

win.open();

greader.js

var greader = {}; ( function() {

	var cookie = "";
	var GOOGLE = "http://www.google.com";
	var GOOGLE_SSL = GOOGLE.replace("http://", "https://");
	var LOGIN_URL = "/accounts/ClientLogin?service=reader";
	var xhr = Ti.Network.createHTTPClient();

	greader.login = function(email, password) {
		// reset the cookie
		cookie = "";
		var url = GOOGLE_SSL + LOGIN_URL + "&Email=" + email + "&Passwd=" + password;
		xhr.open("GET", url);
		xhr.onload = function() {
			var success = false;
			var message = "";
			if(xhr.status == "200") {
				var response = xhr.responseText.split("\n");
				for(var i = 0; i < response.length; i++) {
					Ti.API.debug("greader:checking " + response[i]);
					var tokens = response[i].split("=");
					if(tokens[0] == "Auth") {
						cookie = "GoogleLogin auth=" + tokens[1];
						success = true;
						message = "OK";
						break;
					}
				}
				if(!success) {
					message = "cannot find Auth token";
					Ti.API.debug("cannot find Auth token");
				} else {
					Ti.API.debug("greader:Auth is " + cookie);
				}
			} else if(this.status == "403") {
				Ti.API.debug("greader:invalid credentials for google reader");
				message = "invalid login";
			} else {
				Ti.API.debug("greader:unexpected status from google reader: " + this.status);
				message = "unexpected status from google reader: " + this.status;
			}
			Ti.App.fireEvent('greader.logincomplete', {
				success : success,
				message : message
			});
		};
		xhr.onerror = function() {
			Ti.API.error("greader:error in google reader login");
			Ti.App.fireEvent('greader.logincomplete', {
				success : false,
				message : "error in google reader login"
			});
		};
		xhr.send();
	};

	greader.getFeeds = function() {
		var url = "/reader/api/0/subscription/list?output=json";
		xhr.open("GET", GOOGLE + url);
		xhr.setRequestHeader("Authorization", cookie);
		xhr.onload = function() {
			Ti.App.fireEvent('greader.feeds', {
				success : (xhr.status == "200"),
				status : xhr.status,
				data : JSON.parse(xhr.responseText)
			});
		};
		xhr.send();
	};
}());