/// <summary>
/// Encapsulates a layer attached to a loading thread
/// </summary>
/// <param name="devIf"></param>
/// <param name="position"></param>
/// <param name="dimensions"></param>
/// <param name="id"></param>
/// <param name="dependants"></param>
/// <param name="dependancies"></param>
public LoadingLayer(DeviceInterface devIf, Point position, Size dimensions, string id, IResource[] dependants,
ISharableResource[] dependancies)
: base(devIf, position, dimensions, id, dependants, dependancies)
{
AddItem(LayoutManager.AlignItem(progressBar = new GUIProgressBar(new Point(0, 0), new Size(200, 20), Color.Blue),
LayoutRules.Positioning.Center, LayoutRules.Positioning.Center));
progressBar.Progress = 0;
}
public void Checkin(ISharableResource rz)
{
SharableResource srz = (SharableResource)rz;
srz.RemoveUser();
lock (srz)
{
if (srz.UsersCount == 0)
{
resources.Remove(srz.Name);
}
}
}
public SimpleGUILayer(DeviceInterface devIf, Point position, Size dimensions,
string id, IResource[] dependants, ISharableResource[] dependancies)
: base(id, dependants, dependancies)
{
this.devIf = devIf;
device = devIf.Device;
this.position = position;
this.dimensions = dimensions;
enabled = true;
visible = true;
itemsList = new List<GUILayerItem>();
itemsLayout = new QuadTree<GUILayerItem>(dimensions.Width, dimensions.Height);
checkedOutResources = new List<ISharableResource>();
layoutManager = new LayoutManager();
}
public void Checkin(object resource, string name, out ISharableResource rz)
{
ResourceSet.SharableResource sRz = new SharableResource(name, this, resource);
resources.Add(name, sRz);
rz = sRz;
}
public IResource GetResource(string url, bool allowShare,
ref List <ISharableResource> checkedOutList,
out IResource[] unhandledDependants,
out IResource[] unhandledDependancies)
{
// TODO: break-up url here
Uri uri = new Uri(url);
if (uri.IsFile)
{
// look for existing
ISharableResource sRz = resourceSet.Checkout(url);
if (sRz != null)
{
if (sRz.Value is IResource)
{
checkedOutList.Add(sRz);
unhandledDependants = null;
unhandledDependancies = null;
return((IResource)sRz.Value);
}
// throw away
resourceSet.Checkin(sRz);
}
// load up from fresh
IResource[] dependants, dependancies;
string realRzId;
IResource rz = cdi.ResourceLoader.LoadResource(uri, this, out dependants, out dependancies, out realRzId);
// share if allowed
if (allowShare && rz != null)
{
resourceSet.Checkin(rz, realRzId, out sRz);
checkedOutList.Add(sRz);
// deal with dependants & dependancies
if (dependants != null)
{
foreach (IResource item in dependants)
{
resourceSet.Checkin(item, item.Id, out sRz);
checkedOutList.Add(sRz);
}
}
if (dependancies != null)
{
foreach (IResource item in dependancies)
{
resourceSet.Checkin(item, item.Id, out sRz);
checkedOutList.Add(sRz);
}
}
unhandledDependants = null;
unhandledDependancies = null;
}
else
{
unhandledDependants = dependants;
unhandledDependancies = dependancies;
}
// double check we have right rz
if (realRzId != null)
{
rz = (IResource)resourceSet.PeekRz(url).Value;
}
return(rz);
}
unhandledDependants = null;
unhandledDependancies = null;
return(null);
}
/// <summary>
/// Initializes a new instance of the Resource class.
/// </summary>
/// <param name="id"></param>
/// <param name="dependants"></param>
/// <param name="sharedDependancies"></param>
public Resource(string id, IResource[] dependants, ISharableResource[] sharedDependancies)
{
this.id = id;
this.dependants = dependants;
this.sharedDependancies = sharedDependancies;
}
public void Checkin(ISharableResource rz)
{
SharableResource srz = (SharableResource)rz;
srz.RemoveUser();
lock (srz)
{
if (srz.UsersCount == 0)
resources.Remove(srz.Name);
}
}
public void Checkin(object resource, string name, out ISharableResource rz)
{
ResourceSet.SharableResource sRz = new SharableResource(name, this, resource);
resources.Add(name, sRz);
rz = sRz;
}
