1.1 --- a/Source/GGBLayer.m	Thu Jul 03 17:44:30 2008 -0700
     1.2 +++ b/Source/GGBLayer.m	Sat Jul 05 17:46:43 2008 -0700
     1.3 @@ -8,6 +8,10 @@
     1.4  
     1.5  #import "GGBLayer.h"
     1.6  #import "QuartzUtils.h"
     1.7 +#import "GGBUtils.h"
     1.8 +
     1.9 +
    1.10 +NSString* const GGBLayerStyleChangedNotification = @"GGBLayerStyleChanged";
    1.11  
    1.12  
    1.13  @implementation GGBLayer
    1.14 @@ -67,6 +71,56 @@
    1.15  }
    1.16  
    1.17  
    1.18 +- (void) setStyle: (NSDictionary*)style
    1.19 +{
    1.20 +    if( style != _styleDict ) {
    1.21 +        if( _styleDict )
    1.22 +            [[NSNotificationCenter defaultCenter] removeObserver: self 
    1.23 +                                                            name: GGBLayerStyleChangedNotification
    1.24 +                                                          object: _styleDict];
    1.25 +        if( style )
    1.26 +            [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(_styleChanged)
    1.27 +                                                         name: GGBLayerStyleChangedNotification
    1.28 +                                                       object: style];
    1.29 +        setObj(&_styleDict,style);
    1.30 +    }
    1.31 +    [super setStyle: style];
    1.32 +}
    1.33 +
    1.34 +- (void) _styleChanged
    1.35 +{
    1.36 +    // Reapply the style, so any changes in the dict will take effect.
    1.37 +    [super setStyle: _styleDict];
    1.38 +}
    1.39 +
    1.40 +- (void) dealloc
    1.41 +{
    1.42 +    if( _styleDict )
    1.43 +        [[NSNotificationCenter defaultCenter] removeObserver: self
    1.44 +                                                        name: GGBLayerStyleChangedNotification
    1.45 +                                                      object: _styleDict];
    1.46 +    [super dealloc];
    1.47 +}
    1.48 +
    1.49 +
    1.50 +- (void) setValue: (id)value ofStyleProperty: (NSString*)prop
    1.51 +{
    1.52 +    if( _styleDict ) {
    1.53 +        id oldValue = [_styleDict objectForKey: prop];
    1.54 +        if( oldValue != value ) {
    1.55 +            if( value )
    1.56 +                [_styleDict setObject: value forKey: prop];
    1.57 +            else
    1.58 +                [_styleDict removeObjectForKey: prop];
    1.59 +            [[NSNotificationCenter defaultCenter] postNotificationName: GGBLayerStyleChangedNotification
    1.60 +                                                                object: _styleDict];
    1.61 +        }
    1.62 +    } else
    1.63 +        [self setValue: value forKey: prop];
    1.64 +}
    1.65 +
    1.66 +
    1.67 +
    1.68  #if TARGET_OS_IPHONE
    1.69  
    1.70  #pragma mark -