WindowBlurWindowHack.m

   1 //
   2 //  WindowBlurWindowHack.m
   3 //  WindowBlur
   4 //
   5 //  Created by Joseph Spiros on 5/12/09.
   6 //  Copyright 2009 __MyCompanyName__. All rights reserved.
   7 //
   8
   9 #import "WindowBlurSIMBL.h"
  10 #import "WindowBlurWindowHack.h"
  11 #import "CGSInternal.h"
  12
  13 static NSMutableDictionary *instanceIDToIvars = nil;
  14 static BOOL needToSwizzleDealloc = YES;
  15
  16 @implementation WindowBlurWindowHack
  17
  18 - (id)PRE__instanceID
  19 {
  20     return [NSValue valueWithPointer:self];
  21 }
  22
  23 - (NSMutableDictionary *)PRE__ivars
  24 {
  25     NSMutableDictionary *ivars;
  26
  27     if (needToSwizzleDealloc)
  28     {
  29         MethodSwizzle([NSWindow class],
  30                       @selector(dealloc),
  31                       @selector(PRE__deallocSwizzler));
  32         needToSwizzleDealloc = NO;
  33     }
  34
  35     if (instanceIDToIvars == nil)
  36     {
  37         instanceIDToIvars = [[NSMutableDictionary alloc] init];
  38     }
  39
  40     ivars = [instanceIDToIvars objectForKey:[self PRE__instanceID]];
  41     if (ivars == nil)
  42     {
  43         ivars = [NSMutableDictionary dictionary];
  44         [instanceIDToIvars setObject:ivars forKey:[self PRE__instanceID]];
  45     }
  46
  47     return ivars;
  48 }
  49
  50 - (void)PRE__deallocSwizzler
  51 {
  52     [instanceIDToIvars removeObjectForKey:[self PRE__instanceID]];
  53     if ([instanceIDToIvars count] == 0)
  54     {
  55         [instanceIDToIvars release];
  56         instanceIDToIvars = nil;
  57     }
  58
  59     [self PRE__deallocSwizzler];
  60 }
  61
  62 - (void)update {
  63         if ([[[self PRE__ivars] objectForKey:@"blurred"] boolValue] != YES) {
  64 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
  65                 if (floor(NSAppKitVersionNumber) > 824) {
  66                         NSLog(@"AppKit Check Confirmed");
  67                         CGSConnectionID con = CGSMainConnectionID();
  68                         if (con) {
  69                                 NSLog(@"CGSConnection Confirmed");
  70                                 int blurFilter;
  71                                 if (noErr == CGSNewCIFilterByName(con, (CFStringRef)@"CIGaussianBlur", &blurFilter)) {
  72                                         NSLog(@"Should work!");
  73                                         NSDictionary *optionsDict = [NSDictionary dictionaryWithObject:[NSNumber numberWithFloat:2.0] forKey:@"inputRadius"];
  74                                         CGSSetCIFilterValuesFromDictionary(con, blurFilter, (CFDictionaryRef)optionsDict);
  75                                         CGSAddWindowFilter(con, [self windowNumber], blurFilter, kCGWindowFilterUnderlay);
  76                                         [[self PRE__ivars] setObject:[NSNumber numberWithBool:YES] forKey:@"blurred"];
  77                                 }
  78                         }
  79                 }
  80 #endif
  81         }
  82 }
  83
  84 @end