Added a new core image ripple effect.
[ITKit.git] / ITCoreImageWindowEffect.m
diff --git a/ITCoreImageWindowEffect.m b/ITCoreImageWindowEffect.m
new file mode 100644 (file)
index 0000000..1c751af
--- /dev/null
@@ -0,0 +1,252 @@
+#import "ITCoreImageWindowEffect.h"
+#import "ITTransientStatusWindow.h"
+#import "ITCoreGraphicsHacks.h"
+#import "ITCoreImageView.h"
+
+@interface ITCoreImageWindowEffect (Private)
+- (void)performAppearFromProgress:(float)progress effectTime:(float)time;
+- (void)appearStep;
+- (void)appearFinish;
+- (void)performVanishFromProgress:(float)progress effectTime:(float)time;
+- (void)vanishStep;
+- (void)vanishFinish;
+
+- (void)setupEffect;
+@end
+
+@implementation ITCoreImageWindowEffect
+
++ (NSString *)effectName
+{
+    return @"Core Image - Ripple";
+}
+
++ (NSDictionary *)supportedPositions
+{
+    return [NSDictionary dictionaryWithObjectsAndKeys:
+        [NSDictionary dictionaryWithObjectsAndKeys:
+            [NSNumber numberWithBool:YES], @"Left",
+            [NSNumber numberWithBool:YES], @"Center",
+            [NSNumber numberWithBool:YES], @"Right", nil] , @"Top" ,
+        [NSDictionary dictionaryWithObjectsAndKeys:
+            [NSNumber numberWithBool:YES], @"Left",
+            [NSNumber numberWithBool:YES], @"Center",
+            [NSNumber numberWithBool:YES], @"Right", nil] , @"Middle" ,
+        [NSDictionary dictionaryWithObjectsAndKeys:
+            [NSNumber numberWithBool:YES], @"Left",
+            [NSNumber numberWithBool:YES], @"Center",
+            [NSNumber numberWithBool:YES], @"Right", nil] , @"Bottom" , nil];
+}
+
++ (unsigned int)listOrder
+{
+    return 800;
+}
+
+/*************************************************************************/
+#pragma mark -
+#pragma mark APPEAR METHODS
+/*************************************************************************/
+
+- (void)performAppear
+{
+    __idle = NO;
+       
+    [self setWindowVisibility:ITWindowAppearingState];
+    [self performAppearFromProgress:0.0 effectTime:_effectTime];
+}
+
+- (void)performAppearFromProgress:(float)progress effectTime:(float)time
+{
+    [_window setEffectProgress:progress];
+    _effectSpeed = (1.0 / (EFFECT_FPS * time));
+
+    if ( progress == 0.0 ) {
+        [_window setAlphaValue:0.0];
+    }
+       
+       [_window orderFront:self];
+       
+    _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
+                                                    target:self
+                                                  selector:@selector(appearStep)
+                                                  userInfo:nil
+                                                   repeats:YES];
+       [self setupEffect];
+}
+
+- (void)appearStep
+{
+    float interFade = 0.0;
+    [_window setEffectProgress:([_window effectProgress] + _effectSpeed)];
+    [_window setEffectProgress:( ([_window effectProgress] < 1.0) ? [_window effectProgress] : 1.0)];
+    interFade = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
+    [_window setAlphaValue:interFade];
+
+    if ( [_window effectProgress] >= 1.0 ) {
+        [self appearFinish];
+    }
+}
+
+- (void)appearFinish
+{
+    [_effectTimer invalidate];
+    _effectTimer = nil;
+
+    [self setWindowVisibility:ITWindowVisibleState];
+
+    __idle = YES;
+    if ( __shouldReleaseWhenIdle ) {
+        [self release];
+    }
+}
+
+- (void)cancelAppear
+{
+    [self setWindowVisibility:ITWindowVanishingState];
+
+    [_effectTimer invalidate];
+    _effectTimer = nil;
+
+    [self performVanishFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)];
+}
+
+
+/*************************************************************************/
+#pragma mark -
+#pragma mark VANISH METHODS
+/*************************************************************************/
+
+- (void)performVanish
+{
+    __idle = NO;
+       
+    [self setWindowVisibility:ITWindowVanishingState];
+    [self performVanishFromProgress:1.0 effectTime:_effectTime];
+}
+
+- (void)performVanishFromProgress:(float)progress effectTime:(float)time
+{
+    [_window setEffectProgress:progress];
+    _effectSpeed = (1.0 / (EFFECT_FPS * time));
+    if ( progress == 1.0 ) {
+        [_window setAlphaValue:1.0];
+    }
+
+    [_window orderFront:self];
+       
+    _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
+                                                    target:self
+                                                  selector:@selector(vanishStep)
+                                                  userInfo:nil
+                                                   repeats:YES];
+       [self setupEffect];
+}
+
+- (void)vanishStep
+{
+    float interFade = 1.0;
+    [_window setEffectProgress:([_window effectProgress] - _effectSpeed)];
+    [_window setEffectProgress:( ([_window effectProgress] > 0.0) ? [_window effectProgress] : 0.0)];
+    interFade = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
+    [_window setAlphaValue:interFade];
+
+    if ( [_window effectProgress] <= 0.0 ) {
+        [self vanishFinish];
+    }
+}
+
+- (void)vanishFinish
+{
+    [_effectTimer invalidate];
+    _effectTimer = nil;
+    [_window orderOut:self];
+    [_window setAlphaValue:1.0];
+       
+    [self setWindowVisibility:ITWindowHiddenState];
+
+    __idle = YES;
+    
+    if ( __shouldReleaseWhenIdle ) {
+        [self release];
+    }
+}
+
+- (void)cancelVanish
+{
+    [self setWindowVisibility:ITWindowVanishingState];
+
+    [_effectTimer invalidate];
+    _effectTimer = nil;
+
+    [self performAppearFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)];
+}
+
+/*************************************************************************/
+#pragma mark -
+#pragma mark CORE IMAGE METHODS
+/*************************************************************************/
+
+- (void)setupEffect
+{
+       NSRect rippleRect = [_window frame];
+       NSRect screenRect = [[_window screen] frame];
+       
+    rippleRect.origin.y = - (NSMaxY(rippleRect) - screenRect.size.height);
+       
+       _effectWindow = [[NSWindow alloc] initWithContentRect:NSInsetRect([_window frame], -200, -200) styleMask:NSBorderlessWindowMask backing:NSBackingStoreBuffered defer:NO];
+       [_effectWindow setBackgroundColor:[NSColor clearColor]];
+       [_effectWindow setAlphaValue:1.0];
+       [_effectWindow setOpaque:NO];
+       [_effectWindow setHasShadow:NO];
+       [_effectWindow setContentView:[[ITCoreImageView alloc] initWithFrame:[_window frame]]];
+       [_effectWindow setLevel:[_window level]];
+       
+       [_effectWindow orderFrontRegardless];
+    [_window orderWindow:NSWindowAbove relativeTo:[_effectWindow windowNumber]];
+       
+       _effectFilter = [[CIFilter filterWithName:@"CIShapedWaterRipple"] retain];
+    [_effectFilter setDefaults];
+    [_effectFilter setValue:[NSNumber numberWithFloat:50.0] forKey:@"inputCornerRadius"];
+    [_effectFilter setValue:[CIVector vectorWithX:rippleRect.origin.x Y:rippleRect.origin.y] forKey:@"inputPoint0"];
+    [_effectFilter setValue:[CIVector vectorWithX:(rippleRect.origin.x + rippleRect.size.width) Y:(rippleRect.origin.y + rippleRect.size.height)] forKey:@"inputPoint1"];
+    [_effectFilter setValue:[NSNumber numberWithFloat:0.0] forKey:@"inputPhase"];
+       
+       _windowFilter = [[CICGSFilter filterWithFilter:_effectFilter connectionID:[NSApp contextID]] retain];
+       [_windowFilter addToWindow:(CGSWindowID)[_effectWindow windowNumber] flags:1];
+       
+       [NSThread detachNewThreadSelector:@selector(runFilterAnimation:) toTarget:self withObject:self];
+}
+
+- (void)runFilterAnimation:(id)sender
+{
+       NSAutoreleasePool *pool;
+    CICGSFilter *oldFilter;
+    CFAbsoluteTime startTime, time;
+       CGSWindowID windowNumber = (CGSWindowID)[_effectWindow windowNumber];
+    
+    pool = [[NSAutoreleasePool alloc] init];
+       
+    startTime = CFAbsoluteTimeGetCurrent();
+    time = CFAbsoluteTimeGetCurrent();
+       
+       while (time < (startTime + 2.5) && (time >= startTime)) {
+               oldFilter = _windowFilter;
+               [_effectFilter setValue:[NSNumber numberWithFloat:160*(time - startTime)] forKey:@"inputPhase"];
+        _windowFilter = [[CICGSFilter filterWithFilter:_effectFilter connectionID:[NSApp contextID]] retain];
+        [_windowFilter addToWindow:windowNumber flags:1];
+               [oldFilter removeFromWindow:windowNumber];
+               [oldFilter release];
+        time = CFAbsoluteTimeGetCurrent();
+       }
+       
+       [_windowFilter removeFromWindow:windowNumber];
+       [_windowFilter release];
+    [_effectFilter release];
+    [_effectWindow orderOut:self];
+       [[_effectWindow contentView] release];
+    [_effectWindow release];
+    [pool release];
+}
+
+@end