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using System;
namespace Xamarin.PropertyEditing.Mac
{
internal enum ProxyRowType
{
SingleView,
FirstView,
LastView
}
internal class ProxyResponder
{
protected WeakReference<PropertyEditorControl> editorControl;
readonly ProxyRowType rowType;
public ProxyResponder (PropertyEditorControl editorControl, ProxyRowType rowType)
{
this.rowType = rowType;
this.editorControl = new WeakReference<PropertyEditorControl> (editorControl);
}
public bool NextResponder()
{
if (this.editorControl.TryGetTarget (out var editor))
{
if (this.rowType == ProxyRowType.LastView || this.rowType == ProxyRowType.SingleView) {
editor.OnNextResponderRequested (false);
return true;
}
}
return false;
}
public bool PreviousResponder ()
{
if (this.editorControl.TryGetTarget (out var editor))
{
if (this.rowType == ProxyRowType.FirstView || this.rowType == ProxyRowType.SingleView) {
editor.OnNextResponderRequested (true);
return true;
}
}
return false;
}
}
}
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