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

// 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. 

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

// Loads widget preferences.

function loadPreferences() {

    if (window.widget) {

        // load settings from widget preferences store

        data = widget.preferenceForKey("data");

    }

}

// Loads widget preferences.

function savePreferences() {

    if (window.widget) {

        // save settings in widget preferences store

        widget.setPreferenceForKey(data, "data");

    }

}

function nocache(url) {

    if (url.indexOf("?") == -1) {

        url += "?";

    } else {

        url += "&";

    }

    url += "nocache=" + (new Date().getTime());

	return url;

}

function sessionMatches(session, startDate) {

	var m_date = session.getDate()==startDate.getDate();

	var m_year = session.getFullYear()==startDate.getFullYear();

	var m_month = session.getMonth()==startDate.getMonth();

	var m_hour = session.getHours()==startDate.getHours();

	var m_minute = session.getMinutes()==startDate.getMinutes();

	return m_date && m_month && m_year && m_hour && m_minute; 

}

function dayToString(day) {

	return day.toDateString(); 	

}

function dayMatches(day, startDate){

	var m_date = day.getDate()==startDate.getDate();

	var m_year = day.getFullYear()==startDate.getFullYear();

	var m_month = day.getMonth()==startDate.getMonth();

	return m_date && m_month && m_year; 

}

function sessionTimeToString(session) {

	return ""+session.getHours()+":"+pad(session.getMinutes(),2); 	

}

function dateToString(day) {

	var full = day.toDateString();

	// remove year as it doesn't fit on small screens

	return full.substring(0, full.length-4); 	

}

function pad(num, digits) {

	var str = "" + num;

	while ( str.length < digits ) {

		str = "0" + str;

	}

	return str;

}

// Opens a URL in a separate browser window

function openURL(url) {

    if (window.widget) {

        // in WRT

        widget.openURL(url);

    } else {

        // outside WRT

        window.open(url, "NewWindow");

    }

}

function setDefaultFontSizeForScreenSize(){

	// no preference available, check screen size

	if (window.innerWidth > 400 || window.innerHeight > 400) {

		// hi res screen, use large font

		setLargeView();

	}

	else {

		// lo res screen, use small font

		setSmallView();

	}

}

function setLargeView(){

	document.getElementById('stylesheet').href = 'WRTKit/Resources/UI-large.css';

}

function setSmallView(){

	document.getElementById('stylesheet').href = 'WRTKit/Resources/UI.css';

}