public static IInterception Create(
PropertyChangedInterceptor propertyChangedInterceptor,
IInvocation invocation,
NotifyMode fireOption)
{
switch (invocation)
{
case { } inv when inv.IsPropertyChangedAdd():
return(new PropertyChangedAddInterception(propertyChangedInterceptor, inv));
case { } inv when inv.IsPropertyChangedRemove():
return(new PropertyChangedRemoveInterception(propertyChangedInterceptor, inv));
case { } inv when inv.IsPropertySetter() && NotifyMode.OnlyOnChange == fireOption:
return(new OnlyOnChangePropertySetterInterception(propertyChangedInterceptor, invocation)
.WrapWith(new PropertyIsINotifyInterception(propertyChangedInterceptor, invocation)));
case { } inv when inv.IsPropertySetter():
return(new PropertySetterInterception(propertyChangedInterceptor, invocation)
.WrapWith(new PropertyIsINotifyInterception(propertyChangedInterceptor, invocation)));
default:
return(new InvocationInterception(invocation));
}
}
static void AddHandler(IInvocation invocation, PropertyChangedInterceptor propertyChangedInterceptor)
{
if (!handlers.ContainsKey(invocation.InvocationTarget))
handlers.Add(invocation.InvocationTarget, new Dictionary<string, PropertyChangedEventHandler>());
handlers[invocation.InvocationTarget].Add(invocation.PropertyName(), (o, e) =>
{
propertyChangedInterceptor.Notify(invocation);
propertyChangedInterceptor.SetDependents(invocation);
});
(invocation.GetArgumentValue(0) as INotifyPropertyChanged).PropertyChanged += handlers[invocation.InvocationTarget][invocation.PropertyName()];
}
public static IInterception Create(PropertyChangedInterceptor propertyChangedInterceptor, IInvocation invocation, FireOptions fireOption, ILog log)
{
if(invocation.IsPropertyChangedAdd())
return new PropertyChangedAddInterception(propertyChangedInterceptor, invocation);
if(invocation.IsPropertyChangedRemove())
return new PropertyChangedRemoveInterception(propertyChangedInterceptor, invocation);
if(invocation.IsPropertySetter() && FireOptions.OnlyOnChange == fireOption)
return new OnlyOnChangePropertySetterInterception(propertyChangedInterceptor, invocation, log).WrapWith(
new PropertyIsINotifyInterception(propertyChangedInterceptor, invocation));
if(invocation.IsPropertySetter())
return new PropertySetterInterception(propertyChangedInterceptor, invocation).WrapWith(
new PropertyIsINotifyInterception(propertyChangedInterceptor, invocation));
return new InvocationInterception(invocation);
}
public PropertyChangedAddInterception(PropertyChangedInterceptor propertyChangedInterceptor, IInvocation invocation)
{
_propertyChangedInterceptor = propertyChangedInterceptor;
_invocation = invocation;
}
public OnlyOnChangePropertySetterInterception(PropertyChangedInterceptor propertyChangedInterceptor, IInvocation invocation, ILog logger)
{
_propertyChangedInterceptor = propertyChangedInterceptor;
_invocation = invocation;
_logger = logger;
}
