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--- /dev/null
+#import "ITSpinWindowEffect.h"
+#import "ITCoreGraphicsHacks.h"
+#import "ITTransientStatusWindow.h"
+
+
+@interface ITSpinWindowEffect (Private)
+- (void)performAppearFromProgress:(float)progress effectTime:(float)time;
+- (void)appearStep;
+- (void)appearFinish;
+- (void)performVanishFromProgress:(float)progress effectTime:(float)time;
+- (void)vanishStep;
+- (void)vanishFinish;
+- (void)setSpin:(float)progress;
+@end
+
+
+@implementation ITSpinWindowEffect
+
+
++ (NSString *)effectName
+{
+ return @"Spin";
+}
+
++ (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 600;
+}
+
+
+/*************************************************************************/
+#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 ) {
+ [self setSpin: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];
+}
+
+- (void)appearStep
+{
+ float interSpin = 0.0;
+ [_window setEffectProgress:([_window effectProgress] + _effectSpeed)];
+ [_window setEffectProgress:( ([_window effectProgress] < 1.0) ? [_window effectProgress] : 1.0)];
+ interSpin = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
+ [self setSpin:-interSpin];
+ [_window setAlphaValue:interSpin];
+
+ 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 ) {
+ [self setSpin:0.0];
+ [_window setAlphaValue:1.0];
+ }
+
+ [_window orderFront:self];
+ _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
+ target:self
+ selector:@selector(vanishStep)
+ userInfo:nil
+ repeats:YES];
+}
+
+- (void)vanishStep
+{
+ float interSpin = 1.0;
+ [_window setEffectProgress:([_window effectProgress] - _effectSpeed)];
+ [_window setEffectProgress:( ([_window effectProgress] > 0.0) ? [_window effectProgress] : 0.0)];
+ interSpin = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
+ [self setSpin:interSpin];
+ [_window setAlphaValue:interSpin];
+
+ if ( [_window effectProgress] <= 0.0 ) {
+ [self vanishFinish];
+ }
+}
+
+- (void)vanishFinish
+{
+ [_effectTimer invalidate];
+ _effectTimer = nil;
+ [_window orderOut:self];
+ [_window setAlphaValue:1.0];
+ [self setSpin:0.0];
+ [self setWindowVisibility:ITWindowHiddenState];
+
+ __idle = YES;
+
+ if ( __shouldReleaseWhenIdle ) {
+ [self release];
+ }
+}
+
+- (void)cancelVanish
+{
+ [self setWindowVisibility:ITWindowAppearingState];
+
+ [_effectTimer invalidate];
+ _effectTimer = nil;
+
+ [self performAppearFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)];
+}
+
+
+/*************************************************************************/
+#pragma mark -
+#pragma mark PRIVATE METHOD IMPLEMENTATIONS
+/*************************************************************************/
+
+- (void)setSpin:(float)progress
+{
+ int hPos = [_window horizontalPosition];
+ float radAngle = (progress * 4 * pi);
+ CGAffineTransform transform;
+ NSPoint translation;
+ NSRect screenFrame = [[_window screen] frame];
+
+ translation.x = screenFrame.origin.x + ([_window frame].size.width / 2.0);
+ translation.y = screenFrame.origin.y + ([_window frame].size.height / 2.0);
+ transform = CGAffineTransformMakeTranslation(translation.x, translation.y);
+ transform = CGAffineTransformRotate(transform, radAngle);
+ //transform = CGAffineTransformScale(transform, 1.0 / progress, 1.0 / progress);
+ transform = CGAffineTransformTranslate(transform, -translation.x, -translation.y);
+
+ if (hPos == ITWindowPositionLeft) {
+ translation.x = -[_window frame].origin.x;
+ } else if (hPos == ITWindowPositionRight) {
+ translation.x = -[_window frame].origin.x;
+ } else {
+ translation.x = -[_window frame].origin.x;
+ }
+
+ translation.y = -( [[_window screen] frame].size.height - [_window frame].origin.y - [_window frame].size.height );
+
+ transform = CGAffineTransformTranslate(transform, translation.x, translation.y);
+
+ CGSSetWindowTransform([NSApp contextID],
+ (CGSWindowID)[_window windowNumber],
+ transform);
+}
+
+@end