Mock for a CDE dashboard watcher

poll.js

function isEditorActive(){
	return document.hasFocus();
}

function getActiveDashboardStateId (){
	// Returns an identifier for the current saved state of the dashboard.
}

function getSavedDashboardStateId( ){
	return $.ajax('dashboard_state_endpoint_url');
}

function promptReload(){
	// Prompts the user to reload the dashboard
}

function throttle(){
	// Some throttle implementation. Underscore.js has one.
}


var throttledTest = throttle( function ( callback ){
		return getSavedDashboardStateId();
	}, 1000 );

function handleSavedStateResponse ( newSavedStateId ){
	if ( newSavedStateId !== getActiveDashboardStateId() ){
		promptReload();
	} else if ( !isEditorActive() ){
		throttledTest( ).then( handleSavedStateResponse );
	}
}

function startSavedStateTest(){
	throttledTest( ).then( handleSavedStateResponse );
}

//---------------------------------------//

$(window).blur( startSavedStateTest );