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// Copyright (c) 2008 Daniel Grunwald
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
using System;
namespace SmartWeakEvent
{
public interface IEventSource
{
event EventHandler Event;
}
public class SmartEventSource : IEventSource
{
SmartWeakEvent<EventHandler> _event = new SmartWeakEvent<EventHandler>();
public event EventHandler Event {
add { _event.Add(value); }
remove { _event.Remove(value); }
}
public void RaiseEvent()
{
_event.Raise(this, EventArgs.Empty);
}
}
public class FastSmartEventSource : IEventSource
{
FastSmartWeakEvent<EventHandler> _event = new FastSmartWeakEvent<EventHandler>();
public event EventHandler Event {
add { _event.Add(value); }
remove { _event.Remove(value); }
}
public void RaiseEvent()
{
_event.Raise(this, EventArgs.Empty);
}
}
public class EventListener
{
IEventSource source;
public EventListener(IEventSource source)
{
this.source = source;
}
public void Attach()
{
source.Event += source_Event;
}
public void Detach()
{
source.Event -= source_Event;
}
void source_Event(object sender, EventArgs e)
{
Console.WriteLine("Event was called!");
}
~EventListener()
{
Console.WriteLine("EventListener was garbage-collected!");
}
}
}
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