ITCoreImageWindowEffect.m

   1 #import "ITCoreImageWindowEffect.h"
   2 #import "ITTransientStatusWindow.h"
   3 #import "ITCoreGraphicsHacks.h"
   4 #import "ITCoreImageView.h"
   5
   6 @interface ITCoreImageWindowEffect (Private)
   7 - (void)performAppearFromProgress:(float)progress effectTime:(float)time;
   8 - (void)appearStep;
   9 - (void)appearFinish;
  10 - (void)performVanishFromProgress:(float)progress effectTime:(float)time;
  11 - (void)vanishStep;
  12 - (void)vanishFinish;
  13
  14 - (void)setupEffect;
  15 @end
  16
  17 @implementation ITCoreImageWindowEffect
  18
  19 + (NSString *)effectName
  20 {
  21     return @"Core Image - Ripple";
  22 }
  23
  24 + (NSDictionary *)supportedPositions
  25 {
  26     return [NSDictionary dictionaryWithObjectsAndKeys:
  27         [NSDictionary dictionaryWithObjectsAndKeys:
  28             [NSNumber numberWithBool:YES], @"Left",
  29             [NSNumber numberWithBool:YES], @"Center",
  30             [NSNumber numberWithBool:YES], @"Right", nil] , @"Top" ,
  31         [NSDictionary dictionaryWithObjectsAndKeys:
  32             [NSNumber numberWithBool:YES], @"Left",
  33             [NSNumber numberWithBool:YES], @"Center",
  34             [NSNumber numberWithBool:YES], @"Right", nil] , @"Middle" ,
  35         [NSDictionary dictionaryWithObjectsAndKeys:
  36             [NSNumber numberWithBool:YES], @"Left",
  37             [NSNumber numberWithBool:YES], @"Center",
  38             [NSNumber numberWithBool:YES], @"Right", nil] , @"Bottom" , nil];
  39 }
  40
  41 + (unsigned int)listOrder
  42 {
  43     return 800;
  44 }
  45
  46 /*************************************************************************/
  47 #pragma mark -
  48 #pragma mark APPEAR METHODS
  49 /*************************************************************************/
  50
  51 - (void)performAppear
  52 {
  53     __idle = NO;
  54
  55     [self setWindowVisibility:ITWindowAppearingState];
  56     [self performAppearFromProgress:0.0 effectTime:_effectTime];
  57 }
  58
  59 - (void)performAppearFromProgress:(float)progress effectTime:(float)time
  60 {
  61     [_window setEffectProgress:progress];
  62     _effectSpeed = (1.0 / (EFFECT_FPS * time));
  63
  64     if ( progress == 0.0 ) {
  65         [_window setAlphaValue:0.0];
  66     }
  67
  68         [_window orderFront:self];
  69
  70     _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
  71                                                     target:self
  72                                                   selector:@selector(appearStep)
  73                                                   userInfo:nil
  74                                                    repeats:YES];
  75         [self setupEffect];
  76 }
  77
  78 - (void)appearStep
  79 {
  80     float interFade = 0.0;
  81     [_window setEffectProgress:([_window effectProgress] + _effectSpeed)];
  82     [_window setEffectProgress:( ([_window effectProgress] < 1.0) ? [_window effectProgress] : 1.0)];
  83     interFade = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
  84     [_window setAlphaValue:interFade];
  85
  86     if ( [_window effectProgress] >= 1.0 ) {
  87         [self appearFinish];
  88     }
  89 }
  90
  91 - (void)appearFinish
  92 {
  93     [_effectTimer invalidate];
  94     _effectTimer = nil;
  95
  96     [self setWindowVisibility:ITWindowVisibleState];
  97
  98     __idle = YES;
  99     if ( __shouldReleaseWhenIdle ) {
 100         [self release];
 101     }
 102 }
 103
 104 - (void)cancelAppear
 105 {
 106     [self setWindowVisibility:ITWindowVanishingState];
 107
 108     [_effectTimer invalidate];
 109     _effectTimer = nil;
 110
 111     [self performVanishFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)];
 112 }
 113
 114
 115 /*************************************************************************/
 116 #pragma mark -
 117 #pragma mark VANISH METHODS
 118 /*************************************************************************/
 119
 120 - (void)performVanish
 121 {
 122     __idle = NO;
 123
 124     [self setWindowVisibility:ITWindowVanishingState];
 125     [self performVanishFromProgress:1.0 effectTime:_effectTime];
 126 }
 127
 128 - (void)performVanishFromProgress:(float)progress effectTime:(float)time
 129 {
 130     [_window setEffectProgress:progress];
 131     _effectSpeed = (1.0 / (EFFECT_FPS * time));
 132     if ( progress == 1.0 ) {
 133         [_window setAlphaValue:1.0];
 134     }
 135
 136     [_window orderFront:self];
 137
 138     _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
 139                                                     target:self
 140                                                   selector:@selector(vanishStep)
 141                                                   userInfo:nil
 142                                                    repeats:YES];
 143         [self setupEffect];
 144 }
 145
 146 - (void)vanishStep
 147 {
 148     float interFade = 1.0;
 149     [_window setEffectProgress:([_window effectProgress] - _effectSpeed)];
 150     [_window setEffectProgress:( ([_window effectProgress] > 0.0) ? [_window effectProgress] : 0.0)];
 151     interFade = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
 152     [_window setAlphaValue:interFade];
 153
 154     if ( [_window effectProgress] <= 0.0 ) {
 155         [self vanishFinish];
 156     }
 157 }
 158
 159 - (void)vanishFinish
 160 {
 161     [_effectTimer invalidate];
 162     _effectTimer = nil;
 163     [_window orderOut:self];
 164     [_window setAlphaValue:1.0];
 165
 166     [self setWindowVisibility:ITWindowHiddenState];
 167
 168     __idle = YES;
 169
 170     if ( __shouldReleaseWhenIdle ) {
 171         [self release];
 172     }
 173 }
 174
 175 - (void)cancelVanish
 176 {
 177     [self setWindowVisibility:ITWindowVanishingState];
 178
 179     [_effectTimer invalidate];
 180     _effectTimer = nil;
 181
 182     [self performAppearFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)];
 183 }
 184
 185 /*************************************************************************/
 186 #pragma mark -
 187 #pragma mark CORE IMAGE METHODS
 188 /*************************************************************************/
 189
 190 - (void)setupEffect
 191 {
 192         NSRect rippleRect = [_window frame];
 193         NSRect screenRect = [[_window screen] frame];
 194
 195     rippleRect.origin.y = - (NSMaxY(rippleRect) - screenRect.size.height);
 196
 197         _effectWindow = [[NSWindow alloc] initWithContentRect:NSInsetRect([_window frame], -200, -200) styleMask:NSBorderlessWindowMask backing:NSBackingStoreBuffered defer:NO];
 198         [_effectWindow setBackgroundColor:[NSColor clearColor]];
 199         [_effectWindow setAlphaValue:1.0];
 200         [_effectWindow setOpaque:NO];
 201         [_effectWindow setHasShadow:NO];
 202         [_effectWindow setContentView:[[ITCoreImageView alloc] initWithFrame:[_window frame]]];
 203         [_effectWindow setLevel:[_window level]];
 204
 205         [_effectWindow orderFrontRegardless];
 206     [_window orderWindow:NSWindowAbove relativeTo:[_effectWindow windowNumber]];
 207
 208         _effectFilter = [[CIFilter filterWithName:@"CIShapedWaterRipple"] retain];
 209     [_effectFilter setDefaults];
 210     [_effectFilter setValue:[NSNumber numberWithFloat:50.0] forKey:@"inputCornerRadius"];
 211     [_effectFilter setValue:[CIVector vectorWithX:rippleRect.origin.x Y:rippleRect.origin.y] forKey:@"inputPoint0"];
 212     [_effectFilter setValue:[CIVector vectorWithX:(rippleRect.origin.x + rippleRect.size.width) Y:(rippleRect.origin.y + rippleRect.size.height)] forKey:@"inputPoint1"];
 213     [_effectFilter setValue:[NSNumber numberWithFloat:0.0] forKey:@"inputPhase"];
 214
 215         _windowFilter = [[CICGSFilter filterWithFilter:_effectFilter connectionID:[NSApp contextID]] retain];
 216         [_windowFilter addToWindow:(CGSWindowID)[_effectWindow windowNumber] flags:1];
 217
 218         [NSThread detachNewThreadSelector:@selector(runFilterAnimation:) toTarget:self withObject:self];
 219 }
 220
 221 - (void)runFilterAnimation:(id)sender
 222 {
 223         NSAutoreleasePool *pool;
 224     CICGSFilter *oldFilter;
 225     CFAbsoluteTime startTime, time;
 226         CGSWindowID windowNumber = (CGSWindowID)[_effectWindow windowNumber];
 227
 228     pool = [[NSAutoreleasePool alloc] init];
 229
 230     startTime = CFAbsoluteTimeGetCurrent();
 231     time = CFAbsoluteTimeGetCurrent();
 232
 233         while (time < (startTime + 2.5) && (time >= startTime)) {
 234                 oldFilter = _windowFilter;
 235                 [_effectFilter setValue:[NSNumber numberWithFloat:160*(time - startTime)] forKey:@"inputPhase"];
 236         _windowFilter = [[CICGSFilter filterWithFilter:_effectFilter connectionID:[NSApp contextID]] retain];
 237         [_windowFilter addToWindow:windowNumber flags:1];
 238                 [oldFilter removeFromWindow:windowNumber];
 239                 [oldFilter release];
 240         time = CFAbsoluteTimeGetCurrent();
 241         }
 242
 243         [_windowFilter removeFromWindow:windowNumber];
 244         [_windowFilter release];
 245     [_effectFilter release];
 246     [_effectWindow orderOut:self];
 247         [[_effectWindow contentView] release];
 248     [_effectWindow release];
 249     [pool release];
 250 }
 251
 252 @end