public void Dispose()
{
LinkedListNode <PriorityBindingEntry> binding = Interlocked.Exchange(ref _binding, null);
if (binding == null)
{
// Some system is trying to remove binding twice.
Debug.Assert(false);
return;
}
PriorityBindingEntry entry = binding.Value;
if (!entry.HasCompleted)
{
_bindings.Remove(binding);
entry.Dispose();
if (entry.Index >= _priorityLevel.ActiveBindingIndex)
{
_priorityLevel.ActivateFirstBinding();
}
}
}
/// <summary>
/// Invoked when an entry in <see cref="Bindings"/> completes.
/// </summary>
/// <param name="entry">The entry that completed.</param>
public void Completed(PriorityBindingEntry entry)
{
Bindings.Remove(entry);
if (entry.Index >= ActiveBindingIndex)
{
ActivateFirstBinding();
}
}
/// <summary>
/// Adds a binding.
/// </summary>
/// <param name="binding">The binding to add.</param>
/// <returns>A disposable used to remove the binding.</returns>
public IDisposable Add(IObservable <object> binding)
{
Contract.Requires <ArgumentNullException>(binding != null);
var entry = new PriorityBindingEntry(this, _nextIndex++);
var node = Bindings.AddFirst(entry);
entry.Start(binding);
return(new RemoveBindingDisposable(node, Bindings, this));
}
/// <summary>
/// Invoked when an entry in <see cref="Bindings"/> changes value.
/// </summary>
/// <param name="entry">The entry that changed.</param>
public void Changed(PriorityBindingEntry entry)
{
if (entry.Index >= ActiveBindingIndex)
{
if (entry.Value != AvaloniaProperty.UnsetValue)
{
Value = entry.Value;
ActiveBindingIndex = entry.Index;
Owner.LevelValueChanged(this);
}
else
{
ActivateFirstBinding();
}
}
}
public void Dispose()
{
PriorityBindingEntry entry = _binding.Value;
if (!entry.HasCompleted)
{
_bindings.Remove(_binding);
entry.Dispose();
if (entry.Index >= _priorityLevel.ActiveBindingIndex)
{
_priorityLevel.ActivateFirstBinding();
}
}
}
/// <summary>
/// Adds a binding.
/// </summary>
/// <param name="binding">The binding to add.</param>
/// <returns>A disposable used to remove the binding.</returns>
public IDisposable Add(IObservable <object> binding)
{
Contract.Requires <ArgumentNullException>(binding != null);
var entry = new PriorityBindingEntry(this, _nextIndex++);
var node = Bindings.AddFirst(entry);
entry.Start(binding);
return(Disposable.Create(() =>
{
Bindings.Remove(node);
entry.Dispose();
if (entry.Index >= ActiveBindingIndex)
{
ActivateFirstBinding();
}
}));
}
/// <summary>
/// Invoked when an entry in <see cref="Bindings"/> encounters a recoverable error.
/// </summary>
/// <param name="entry">The entry that completed.</param>
/// <param name="error">The error.</param>
public void Error(PriorityBindingEntry entry, BindingNotification error)
{
Owner.LevelError(this, error);
}
/// <summary>
/// Invoked when an entry in <see cref="Bindings"/> reports validation status.
/// </summary>
/// <param name="entry">The entry that completed.</param>
/// <param name="validationStatus">The validation status.</param>
public void Validation(PriorityBindingEntry entry, IValidationStatus validationStatus)
{
_owner.LevelValidation(this, validationStatus);
}
/// <summary>
/// Invoked when an entry in <see cref="Bindings"/> encounters a recoverable error.
/// </summary>
/// <param name="entry">The entry that completed.</param>
/// <param name="error">The error.</param>
public void Error(PriorityBindingEntry entry, BindingError error)
{
_owner.LevelError(this, error);
}
/// <summary>
/// Invoked when an entry in <see cref="Bindings"/> completes.
/// </summary>
/// <param name="entry">The entry that completed.</param>
public void Completed(PriorityBindingEntry entry)
{
Bindings.Remove(entry);
if (entry.Index >= ActiveBindingIndex)
{
ActivateFirstBinding();
}
}
/// <summary>
/// Invoked when an entry in <see cref="Bindings"/> changes value.
/// </summary>
/// <param name="entry">The entry that changed.</param>
public void Changed(PriorityBindingEntry entry)
{
if (entry.Index >= ActiveBindingIndex)
{
if (entry.Value != AvaloniaProperty.UnsetValue)
{
Value = entry.Value;
ActiveBindingIndex = entry.Index;
_owner.LevelValueChanged(this);
}
else
{
ActivateFirstBinding();
}
}
}
/// <summary>
/// Adds a binding.
/// </summary>
/// <param name="binding">The binding to add.</param>
/// <returns>A disposable used to remove the binding.</returns>
public IDisposable Add(IObservable<object> binding)
{
Contract.Requires<ArgumentNullException>(binding != null);
var entry = new PriorityBindingEntry(this, _nextIndex++);
var node = Bindings.AddFirst(entry);
entry.Start(binding);
return Disposable.Create(() =>
{
Bindings.Remove(node);
entry.Dispose();
if (entry.Index >= ActiveBindingIndex)
{
ActivateFirstBinding();
}
});
}
/// <summary>
/// Invoked when an entry in <see cref="Bindings"/> reports validation status.
/// </summary>
/// <param name="entry">The entry that completed.</param>
/// <param name="validationStatus">The validation status.</param>
public void Validation(PriorityBindingEntry entry, IValidationStatus validationStatus)
{
_owner.LevelValidation(this, validationStatus);
}
/// <summary>
/// Invoked when an entry in <see cref="Bindings"/> encounters a recoverable error.
/// </summary>
/// <param name="entry">The entry that completed.</param>
/// <param name="error">The error.</param>
public void Error(PriorityBindingEntry entry, BindingError error)
{
_owner.LevelError(this, error);
}
