/// <summary>
/// Returns true if this object is identical to the specified object.
/// </summary>
/// <param name="anObject"> the Object to compare this object to </param>
/// <returns> true if the objects are identical </returns>
public sealed override bool Equals(Object anObject)
{
if (anObject is AWTKeyStroke)
{
AWTKeyStroke ks = (AWTKeyStroke)anObject;
return(ks.KeyChar_Renamed == KeyChar_Renamed && ks.KeyCode_Renamed == KeyCode_Renamed && ks.OnKeyRelease_Renamed == OnKeyRelease_Renamed && ks.Modifiers_Renamed == Modifiers_Renamed);
}
return(false);
}
private static AWTKeyStroke GetCachedStroke(char keyChar, int keyCode, int modifiers, bool onKeyRelease)
{
lock (typeof(AWTKeyStroke))
{
IDictionary <AWTKeyStroke, AWTKeyStroke> cache = (IDictionary)AppContext.AppContext.get(APP_CONTEXT_CACHE_KEY);
AWTKeyStroke cacheKey = (AWTKeyStroke)AppContext.AppContext.get(APP_CONTEXT_KEYSTROKE_KEY);
if (cache == null)
{
cache = new Dictionary <>();
AppContext.AppContext.put(APP_CONTEXT_CACHE_KEY, cache);
}
if (cacheKey == null)
{
try
{
Class clazz = AWTKeyStrokeClass;
cacheKey = (AWTKeyStroke)GetCtor(clazz).newInstance((Object[])null);
AppContext.AppContext.put(APP_CONTEXT_KEYSTROKE_KEY, cacheKey);
}
catch (InstantiationException)
{
assert(false);
}
catch (IllegalAccessException)
{
assert(false);
}
catch (InvocationTargetException)
{
assert(false);
}
}
cacheKey.KeyChar_Renamed = keyChar;
cacheKey.KeyCode_Renamed = keyCode;
cacheKey.Modifiers_Renamed = MapNewModifiers(MapOldModifiers(modifiers));
cacheKey.OnKeyRelease_Renamed = onKeyRelease;
AWTKeyStroke stroke = (AWTKeyStroke)cache[cacheKey];
if (stroke == null)
{
stroke = cacheKey;
cache[stroke] = stroke;
AppContext.AppContext.remove(APP_CONTEXT_KEYSTROKE_KEY);
}
return(stroke);
}
}
/// <summary>
/// Registers a new class which the factory methods in
/// <code>AWTKeyStroke</code> will use when generating new
/// instances of <code>AWTKeyStroke</code>s. After invoking this
/// method, the factory methods will return instances of the specified
/// Class. The specified Class must be either <code>AWTKeyStroke</code>
/// or derived from <code>AWTKeyStroke</code>, and it must have a
/// no-arg constructor. The constructor can be of any accessibility,
/// including <code>private</code>. This operation
/// flushes the current <code>AWTKeyStroke</code> cache.
/// </summary>
/// <param name="subclass"> the new Class of which the factory methods should create
/// instances </param>
/// <exception cref="IllegalArgumentException"> if subclass is <code>null</code>,
/// or if subclass does not have a no-arg constructor </exception>
/// <exception cref="ClassCastException"> if subclass is not
/// <code>AWTKeyStroke</code>, or a class derived from
/// <code>AWTKeyStroke</code> </exception>
protected internal static void RegisterSubclass(Class subclass)
{
if (subclass == null)
{
throw new IllegalArgumentException("subclass cannot be null");
}
lock (typeof(AWTKeyStroke))
{
Class keyStrokeClass = (Class)AppContext.AppContext.get(typeof(AWTKeyStroke));
if (keyStrokeClass != null && keyStrokeClass.Equals(subclass))
{
// Already registered
return;
}
}
if (!subclass.IsSubclassOf(typeof(AWTKeyStroke)))
{
throw new ClassCastException("subclass is not derived from AWTKeyStroke");
}
Constructor ctor = GetCtor(subclass);
String couldNotInstantiate = "subclass could not be instantiated";
if (ctor == null)
{
throw new IllegalArgumentException(couldNotInstantiate);
}
try
{
AWTKeyStroke stroke = (AWTKeyStroke)ctor.newInstance((Object[])null);
if (stroke == null)
{
throw new IllegalArgumentException(couldNotInstantiate);
}
}
catch (NoSuchMethodError)
{
throw new IllegalArgumentException(couldNotInstantiate);
}
catch (ExceptionInInitializerError)
{
throw new IllegalArgumentException(couldNotInstantiate);
}
catch (InstantiationException)
{
throw new IllegalArgumentException(couldNotInstantiate);
}
catch (IllegalAccessException)
{
throw new IllegalArgumentException(couldNotInstantiate);
}
catch (InvocationTargetException)
{
throw new IllegalArgumentException(couldNotInstantiate);
}
lock (typeof(AWTKeyStroke))
{
AppContext.AppContext.put(typeof(AWTKeyStroke), subclass);
AppContext.AppContext.remove(APP_CONTEXT_CACHE_KEY);
AppContext.AppContext.remove(APP_CONTEXT_KEYSTROKE_KEY);
}
}
