#import "ITPivotWindowEffect.h" #import "ITCoreGraphicsHacks.h" #import "ITTransientStatusWindow.h" @interface ITPivotWindowEffect (Private) - (void)setPivot:(float)angle; - (void)performAppearFromProgress:(float)progress effectTime:(float)time; - (void)appearStep; - (void)appearFinish; - (void)performVanishFromProgress:(float)progress effectTime:(float)time; - (void)vanishStep; - (void)vanishFinish; @end @implementation ITPivotWindowEffect /*************************************************************************/ #pragma mark - #pragma mark APPEAR METHODS /*************************************************************************/ - (void)performAppear { [self setWindowVisibility:ITTransientStatusWindowAppearingState]; [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 setPivot:315.0]; [_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 interPivot = 0.0; [_window setEffectProgress:([_window effectProgress] + _effectSpeed)]; [_window setEffectProgress:( ([_window effectProgress] < 1.0) ? [_window effectProgress] : 1.0)]; interPivot = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2); [self setPivot:((interPivot * 45) + 315)]; [_window setAlphaValue:interPivot]; if ( [_window effectProgress] >= 1.0 ) { [self appearFinish]; } } - (void)appearFinish { [_effectTimer invalidate]; _effectTimer = nil; [self setWindowVisibility:ITTransientStatusWindowVisibleState]; } - (void)cancelAppear { [self setWindowVisibility:ITTransientStatusWindowVanishingState]; [_effectTimer invalidate]; _effectTimer = nil; [self performVanishFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)]; } /*************************************************************************/ #pragma mark - #pragma mark VANISH METHODS /*************************************************************************/ - (void)performVanish { [self setWindowVisibility:ITTransientStatusWindowVanishingState]; [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 setPivot: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 interPivot = 1.0; [_window setEffectProgress:([_window effectProgress] - _effectSpeed)]; [_window setEffectProgress:( ([_window effectProgress] > 0.0) ? [_window effectProgress] : 0.0)]; interPivot = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2); [self setPivot:((interPivot * 45) + 315)]; [_window setAlphaValue:interPivot]; if ( [_window effectProgress] <= 0.0 ) { [self vanishFinish]; } } - (void)vanishFinish { [_effectTimer invalidate]; _effectTimer = nil; [_window orderOut:self]; [_window setAlphaValue:1.0]; [self setWindowVisibility:ITTransientStatusWindowHiddenState]; } - (void)cancelVanish { [self setWindowVisibility:ITTransientStatusWindowAppearingState]; [_effectTimer invalidate]; _effectTimer = nil; [self performAppearFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)]; } /*************************************************************************/ #pragma mark - #pragma mark PRIVATE METHOD IMPLEMENTATIONS /*************************************************************************/ - (void)setPivot:(float)angle { float degAngle = (angle * (pi / 180)); CGAffineTransform transform = CGAffineTransformMakeRotation(degAngle); // Set pivot rotation point transform.tx = -32.0; transform.ty = [_window frame].size.height + 32.0; CGSSetWindowTransform([NSApp contextID], (CGSWindowID)[_window windowNumber], CGAffineTransformTranslate(transform, (([_window frame].origin.x - 32.0) * -1), (([[_window screen] frame].size.height - ([_window frame].origin.y) + 32.0) * -1) )); } @end