function showFriends(db) {
    Service.readActiveConfig(db,function(login){
        Service.requestFriends(login.url,login.user,login.password,displayFriends);
    });
}
function displayFriends(obj){
     for (var i=0; i<obj.length; i++){
                print(obj[i]);
                if (obj[i]) {friendsModel.append({"friendName": obj[i]});
                };
         
}}

function ensureVisibility(c,f)
{
    if (f.contentX >= c.x)
        f.contentX = c.x;
    else if (f.contentX+f.width <= c.x+c.width)
        f.contentX = c.x+c.width-f.width;
    if (f.contentY >= c.y)
        f.contentY = c.y;
    else if (f.contentY+f.height <= c.y+c.height)
        f.contentY = c.y+c.height-f.height;
}

function createObject(objectQml,qmlParameters,parentitem,callback) {
   var component = Qt.createComponent(objectQml);
    if (component.status === Component.Ready || component.status === Component.Error)
       finishCreation(component,qmlParameters,parentitem,callback);
    else
       component.statusChanged.connect(finishCreation(qmlParameters)); 
} 

function finishCreation(component,qmlParameters,parentitem,callback) {
    if (component.status === Component.Ready) {
       var createdObject = component.createObject(parentitem, qmlParameters);
   if (createdObject === null)
    print("Error creating image"); }
  else if (component.status === Component.Error)
    print("Error loading component:"+component.errorString());
    else {print("created")}
    //callback(createdObject);
}