// ////////////////////////////////////////////////////////////////////////////

// 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. 

// ////////////////////////////////////////////////////////////////////////////

// Login to the developer site

var loginUrlContent = null;

var loginUrlHttpReq = null;

var loginCallback = null;

var isHideNotifications = true;

function login(callback){

	if ( forumUsername == null || forumPassword == null ) {

		loginInitiated = true;

		loginInitiatedCallback = callback;

		promptForPassword();

		return;

	}

	loginCallback = callback;

	loginInitiated = false;

	loginInitiatedCallback = null;

	uiManager.showNotification(-1, "wait", "Please wait...", -1);	

	var parameters =  symbianOrgLoginUsernameField + "=" + forumUsername

	          + "&" + symbianOrgLoginPasswordField + "=" + forumPassword

			  + "&submit=Login&image_submit.x=0&image_submit.y=0&image_submit=submit"

			  + "&referrer="+symbianOrgBaseUrl;

	loginUrlHttpReq = new Ajax();

    loginUrlHttpReq.onreadystatechange = loginComplete;

    // initiate the request

	loginUrlHttpReq.open('POST', symbianOrgLoginUrl +"?referer="+symbianOrgBaseUrl, true);

	loginUrlHttpReq.setRequestHeader("Referer", symbianOrgBaseUrl);

	loginUrlHttpReq.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

	loginUrlHttpReq.setRequestHeader("Content-length", parameters.length);

	loginUrlHttpReq.setRequestHeader("Connection", "close");

	loginUrlHttpReq.send(parameters);

}

function loginComplete(){

	if ( loginUrlHttpReq == null ) {

		return;

	}

    // complete request?

	var readyState = loginUrlHttpReq.readyState;

    // attempt to get response status

    var responseStatus = null;

    try {

        responseStatus = loginUrlHttpReq.status;

    } catch (noStatusException) {}

    if (readyState == 4) {

		if (responseStatus < 300) {

			var content = loginUrlHttpReq.responseText;

			if (content.indexOf("LoginWelcome") == -1) {

				uiManager.showNotification(3000, "warning", "Login failed.");

				promptForPassword();

			}

			else {

				if (loginCallback != null) {

					loginCallback.call();

				}

				// ensure we have all the cookies we need

				var vbCookieGet = new Ajax();

				var vburl = symbianOrgBaseUrl + "/forum/";

			    vbCookieGet.onreadystatechange = forumCookieHarvestComplete;

				vbCookieGet.open('GET', vburl, true);

				vbCookieGet.send(null);

			}

		} else if (responseStatus < 400) {

			// do nothing, this must be a redirect

		} else {

			uiManager.hideNotification();

			uiManager.showNotification(3000, "warning", "Login failed.");

			promptForPassword();

		}

    }

}

function forumCookieHarvestComplete () {

	if (isHideNotifications) {

		uiManager.hideNotification();

	}

	isHideNotifications = true;

}