ITDissolveWindowEffect.m

   1 #import "ITDissolveWindowEffect.h"
   2 #import "ITTransientStatusWindow.h"
   3 #import "ITCoreGraphicsHacks.h"
   4
   5 @interface ITDissolveWindowEffect (Private)
   6 - (void)performAppearFromProgress:(float)progress effectTime:(float)time;
   7 - (void)appearStep;
   8 - (void)appearFinish;
   9 - (void)performVanishFromProgress:(float)progress effectTime:(float)time;
  10 - (void)vanishStep;
  11 - (void)vanishFinish;
  12 @end
  13
  14
  15 @implementation ITDissolveWindowEffect
  16
  17
  18 + (NSString *)effectName
  19 {
  20     return @"Dissolve";
  21 }
  22
  23 + (NSDictionary *)supportedPositions
  24 {
  25     return [NSDictionary dictionaryWithObjectsAndKeys:
  26         [NSDictionary dictionaryWithObjectsAndKeys:
  27             [NSNumber numberWithBool:YES], @"Left",
  28             [NSNumber numberWithBool:YES], @"Center",
  29             [NSNumber numberWithBool:YES], @"Right", nil] , @"Top" ,
  30         [NSDictionary dictionaryWithObjectsAndKeys:
  31             [NSNumber numberWithBool:YES], @"Left",
  32             [NSNumber numberWithBool:YES], @"Center",
  33             [NSNumber numberWithBool:YES], @"Right", nil] , @"Middle" ,
  34         [NSDictionary dictionaryWithObjectsAndKeys:
  35             [NSNumber numberWithBool:YES], @"Left",
  36             [NSNumber numberWithBool:YES], @"Center",
  37             [NSNumber numberWithBool:YES], @"Right", nil] , @"Bottom" , nil];
  38 }
  39
  40
  41 /*************************************************************************/
  42 #pragma mark -
  43 #pragma mark APPEAR METHODS
  44 /*************************************************************************/
  45
  46 - (void)performAppear
  47 {
  48     CGAffineTransform transform;
  49     NSPoint appearPoint;
  50     __idle = NO;
  51
  52     //Set the location on the screen
  53     if ( [(ITTransientStatusWindow *)_window horizontalPosition] == ITWindowPositionLeft ) {
  54         appearPoint.x = -( 32.0 + [[_window screen] visibleFrame].origin.x );
  55     } else if ( [(ITTransientStatusWindow *)_window horizontalPosition] == ITWindowPositionRight ) {
  56         appearPoint.x = -(([[_window screen] visibleFrame].size.width + [[_window screen] visibleFrame].origin.x) - 32.0 - [_window frame].size.width);
  57     } else if ( [(ITTransientStatusWindow *)_window horizontalPosition] == ITWindowPositionCenter ) {
  58         appearPoint.x = ( [_window frame].size.width - [[_window screen] visibleFrame].size.width ) / 2;
  59     }
  60
  61     if ( [(ITTransientStatusWindow *)_window verticalPosition] == ITWindowPositionTop ) {
  62         appearPoint.y = ( 64.0 + [[_window screen] visibleFrame].origin.y - [_window frame].size.height );
  63     } else if ( [(ITTransientStatusWindow *)_window verticalPosition] == ITWindowPositionBottom ) {
  64         appearPoint.y = -( [[_window screen] frame].size.height - ( [_window frame].size.height + 32.0 + [[_window screen] visibleFrame].origin.y) );
  65     } else if ( [(ITTransientStatusWindow *)_window verticalPosition] == ITWindowPositionMiddle ) {
  66         appearPoint.y = ( [_window frame].size.height - [[_window screen] visibleFrame].size.height) / 2;
  67     }
  68
  69     transform = CGAffineTransformMakeTranslation(appearPoint.x, appearPoint.y);
  70     CGSSetWindowTransform([NSApp contextID],
  71                           (CGSWindowID)[_window windowNumber],
  72                           transform);
  73
  74     [self setWindowVisibility:ITWindowAppearingState];
  75     [self performAppearFromProgress:0.0 effectTime:_effectTime];
  76 }
  77
  78 - (void)performAppearFromProgress:(float)progress effectTime:(float)time
  79 {
  80     [_window setEffectProgress:progress];
  81     _effectSpeed = (1.0 / (EFFECT_FPS * time));
  82
  83     if ( progress == 0.0 ) {
  84         [_window setAlphaValue:0.0];
  85     }
  86
  87     [_window orderFront:self];
  88     _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
  89                                                     target:self
  90                                                   selector:@selector(appearStep)
  91                                                   userInfo:nil
  92                                                    repeats:YES];
  93 }
  94
  95 - (void)appearStep
  96 {
  97     float interFade = 0.0;
  98     [_window setEffectProgress:([_window effectProgress] + _effectSpeed)];
  99     [_window setEffectProgress:( ([_window effectProgress] < 1.0) ? [_window effectProgress] : 1.0)];
 100     interFade = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
 101     [_window setAlphaValue:interFade];
 102
 103     if ( [_window effectProgress] >= 1.0 ) {
 104         [self appearFinish];
 105     }
 106 }
 107
 108 - (void)appearFinish
 109 {
 110     [_effectTimer invalidate];
 111     _effectTimer = nil;
 112     [self setWindowVisibility:ITWindowVisibleState];
 113
 114     __idle = YES;
 115
 116     if ( __shouldReleaseWhenIdle ) {
 117         [self release];
 118     }
 119 }
 120
 121 - (void)cancelAppear
 122 {
 123     [self setWindowVisibility:ITWindowVanishingState];
 124
 125     [_effectTimer invalidate];
 126     _effectTimer = nil;
 127
 128     [self performVanishFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)];
 129 }
 130
 131
 132 /*************************************************************************/
 133 #pragma mark -
 134 #pragma mark VANISH METHODS
 135 /*************************************************************************/
 136
 137 - (void)performVanish
 138 {
 139     __idle = NO;
 140
 141     [self setWindowVisibility:ITWindowVanishingState];
 142     [self performVanishFromProgress:1.0 effectTime:_effectTime];
 143 }
 144
 145 - (void)performVanishFromProgress:(float)progress effectTime:(float)time
 146 {
 147     [_window setEffectProgress:progress];
 148     _effectSpeed = (1.0 / (EFFECT_FPS * time));
 149     if ( progress == 1.0 ) {
 150         [_window setAlphaValue:1.0];
 151     }
 152
 153     [_window orderFront:self];
 154     _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
 155                                                     target:self
 156                                                   selector:@selector(vanishStep)
 157                                                   userInfo:nil
 158                                                    repeats:YES];
 159 }
 160
 161 - (void)vanishStep
 162 {
 163     float interFade = 1.0;
 164     [_window setEffectProgress:([_window effectProgress] - _effectSpeed)];
 165     [_window setEffectProgress:( ([_window effectProgress] > 0.0) ? [_window effectProgress] : 0.0)];
 166     interFade = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
 167     [_window setAlphaValue:interFade];
 168
 169     if ( [_window effectProgress] <= 0.0 ) {
 170         [self vanishFinish];
 171     }
 172 }
 173
 174 - (void)vanishFinish
 175 {
 176     [_effectTimer invalidate];
 177     _effectTimer = nil;
 178     [_window orderOut:self];
 179     [_window setAlphaValue:1.0];
 180     [self setWindowVisibility:ITWindowHiddenState];
 181
 182     __idle = YES;
 183
 184     if ( __shouldReleaseWhenIdle ) {
 185         [self release];
 186     }
 187 }
 188
 189 - (void)cancelVanish
 190 {
 191     [self setWindowVisibility:ITWindowVanishingState];
 192
 193     [_effectTimer invalidate];
 194     _effectTimer = nil;
 195
 196     [self performAppearFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)];
 197 }
 198
 199
 200 @end