ITSlideHorizontallyWindowEffect.m

   1 #import "ITSlideHorizontallyWindowEffect.h"
   2 #import "ITCoreGraphicsHacks.h"
   3 #import "ITTransientStatusWindow.h"
   4
   5
   6 @interface ITSlideHorizontallyWindowEffect (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 - (void)setSlide:(float)distance;
  14 @end
  15
  16
  17 @implementation ITSlideHorizontallyWindowEffect
  18
  19
  20 /*************************************************************************/
  21 #pragma mark -
  22 #pragma mark APPEAR METHODS
  23 /*************************************************************************/
  24
  25 - (void)performAppear
  26 {
  27     __idle = NO;
  28
  29     [self setWindowVisibility:ITWindowAppearingState];
  30     [self performAppearFromProgress:0.0 effectTime:_effectTime];
  31 }
  32
  33 - (void)performAppearFromProgress:(float)progress effectTime:(float)time
  34 {
  35     [_window setEffectProgress:progress];
  36     _effectSpeed = (1.0 / (EFFECT_FPS * time));
  37
  38     if ( progress == 0.0 ) {
  39         [_window setAlphaValue:0.0];
  40     }
  41
  42     [_window orderFront:self];
  43     _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
  44                                                     target:self
  45                                                   selector:@selector(appearStep)
  46                                                   userInfo:nil
  47                                                    repeats:YES];
  48 }
  49
  50 - (void)appearStep
  51 {
  52     float interSlide = 0.0;
  53     [_window setEffectProgress:([_window effectProgress] + _effectSpeed)];
  54     [_window setEffectProgress:( ([_window effectProgress] < 1.0) ? [_window effectProgress] : 1.0)];
  55     interSlide = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
  56     [self setSlide:( [_window frame].size.width - (interSlide * [_window frame].size.width) )];
  57     [_window setAlphaValue:interSlide];
  58
  59     if ( [_window effectProgress] >= 1.0 ) {
  60         [self appearFinish];
  61     }
  62 }
  63
  64 - (void)appearFinish
  65 {
  66     [_effectTimer invalidate];
  67     _effectTimer = nil;
  68     [self setWindowVisibility:ITWindowVisibleState];
  69
  70     __idle = YES;
  71
  72     if ( __shouldReleaseWhenIdle ) {
  73         [self release];
  74     }
  75 }
  76
  77 - (void)cancelAppear
  78 {
  79     [self setWindowVisibility:ITWindowVanishingState];
  80
  81     [_effectTimer invalidate];
  82     _effectTimer = nil;
  83
  84     [self performVanishFromProgress:[_window effectProgress] effectTime:(_effectTime / 4.0)];
  85 }
  86
  87
  88 /*************************************************************************/
  89 #pragma mark -
  90 #pragma mark VANISH METHODS
  91 /*************************************************************************/
  92
  93 - (void)performVanish
  94 {
  95     __idle = NO;
  96
  97     [self setWindowVisibility:ITWindowVanishingState];
  98     [self performVanishFromProgress:1.0 effectTime:_effectTime];
  99 }
 100
 101 - (void)performVanishFromProgress:(float)progress effectTime:(float)time
 102 {
 103     [_window setEffectProgress:progress];
 104     _effectSpeed = (1.0 / (EFFECT_FPS * time));
 105     if ( progress == 1.0 ) {
 106         [_window setAlphaValue:1.0];
 107     }
 108
 109     [_window orderFront:self];
 110     _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
 111                                                     target:self
 112                                                   selector:@selector(vanishStep)
 113                                                   userInfo:nil
 114                                                    repeats:YES];
 115 }
 116
 117 - (void)vanishStep
 118 {
 119     float interSlide = 1.0;
 120     [_window setEffectProgress:([_window effectProgress] - _effectSpeed)];
 121     [_window setEffectProgress:( ([_window effectProgress] > 0.0) ? [_window effectProgress] : 0.0)];
 122     interSlide = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
 123     [self setSlide:( [_window frame].size.width - (interSlide * [_window frame].size.width) )];
 124     [_window setAlphaValue:interSlide];
 125
 126     if ( [_window effectProgress] <= 0.0 ) {
 127         [self vanishFinish];
 128     }
 129 }
 130
 131 - (void)vanishFinish
 132 {
 133     [_effectTimer invalidate];
 134     _effectTimer = nil;
 135     [_window orderOut:self];
 136     [_window setAlphaValue:1.0];
 137     [self setSlide:0.0];
 138     [self setWindowVisibility:ITWindowHiddenState];
 139
 140     __idle = YES;
 141
 142     if ( __shouldReleaseWhenIdle ) {
 143         [self release];
 144     }
 145 }
 146
 147 - (void)cancelVanish
 148 {
 149     [self setWindowVisibility:ITWindowAppearingState];
 150
 151     [_effectTimer invalidate];
 152     _effectTimer = nil;
 153
 154     [self performAppearFromProgress:[_window effectProgress] effectTime:(_effectTime / 4.0)];
 155 }
 156
 157 - (void)setSlide:(float)distance
 158 {
 159     CGAffineTransform transform = CGAffineTransformMakeTranslation((distance - (32.0 + [[_window screen] visibleFrame].origin.x)),
 160                                                                    -( [[_window screen] frame].size.height - ( [_window frame].size.height + 32.0 + [[_window screen] visibleFrame].origin.y) ) );
 161
 162     CGSSetWindowTransform([NSApp contextID],
 163                           (CGSWindowID)[_window windowNumber],
 164                           transform);
 165 }
 166 @end