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 + (unsigned int)listOrder
  41 {
  42     return 200;
  43 }
  44
  45
  46 /*************************************************************************/
  47 #pragma mark -
  48 #pragma mark APPEAR METHODS
  49 /*************************************************************************/
  50
  51 - (void)performAppear
  52 {
  53     CGAffineTransform transform;
  54     NSPoint appearPoint;
  55     __idle = NO;
  56
  57     //Set the location on the screen
  58     if ( [(ITTransientStatusWindow *)_window horizontalPosition] == ITWindowPositionLeft ) {
  59         appearPoint.x = -( 32.0 + [[_window screen] visibleFrame].origin.x );
  60     } else if ( [(ITTransientStatusWindow *)_window horizontalPosition] == ITWindowPositionRight ) {
  61         appearPoint.x = -(([[_window screen] visibleFrame].size.width + [[_window screen] visibleFrame].origin.x) - 32.0 - [_window frame].size.width);
  62     } else if ( [(ITTransientStatusWindow *)_window horizontalPosition] == ITWindowPositionCenter ) {
  63         appearPoint.x = ( [_window frame].size.width - [[_window screen] visibleFrame].size.width ) / 2;
  64     }
  65
  66     if ( [(ITTransientStatusWindow *)_window verticalPosition] == ITWindowPositionTop ) {
  67         appearPoint.y = ( 64.0 + [[_window screen] visibleFrame].origin.y - [_window frame].size.height );
  68     } else if ( [(ITTransientStatusWindow *)_window verticalPosition] == ITWindowPositionBottom ) {
  69         appearPoint.y = -( [[_window screen] frame].size.height - ( [_window frame].size.height + 32.0 + [[_window screen] visibleFrame].origin.y) );
  70     } else if ( [(ITTransientStatusWindow *)_window verticalPosition] == ITWindowPositionMiddle ) {
  71         appearPoint.y = ( [_window frame].size.height - [[_window screen] visibleFrame].size.height) / 2;
  72     }
  73
  74     transform = CGAffineTransformMakeTranslation(appearPoint.x, appearPoint.y);
  75     CGSSetWindowTransform([NSApp contextID],
  76                           (CGSWindowID)[_window windowNumber],
  77                           transform);
  78
  79     [self setWindowVisibility:ITWindowAppearingState];
  80     [self performAppearFromProgress:0.0 effectTime:_effectTime];
  81 }
  82
  83 - (void)performAppearFromProgress:(float)progress effectTime:(float)time
  84 {
  85     [_window setEffectProgress:progress];
  86     _effectSpeed = (1.0 / (EFFECT_FPS * time));
  87
  88     if ( progress == 0.0 ) {
  89         [_window setAlphaValue:0.0];
  90     }
  91
  92     [_window orderFront:self];
  93     _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
  94                                                     target:self
  95                                                   selector:@selector(appearStep)
  96                                                   userInfo:nil
  97                                                    repeats:YES];
  98 }
  99
 100 - (void)appearStep
 101 {
 102     float interFade = 0.0;
 103     [_window setEffectProgress:([_window effectProgress] + _effectSpeed)];
 104     [_window setEffectProgress:( ([_window effectProgress] < 1.0) ? [_window effectProgress] : 1.0)];
 105     interFade = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
 106     [_window setAlphaValue:interFade];
 107
 108     if ( [_window effectProgress] >= 1.0 ) {
 109         [self appearFinish];
 110     }
 111 }
 112
 113 - (void)appearFinish
 114 {
 115     [_effectTimer invalidate];
 116     _effectTimer = nil;
 117     [self setWindowVisibility:ITWindowVisibleState];
 118
 119     __idle = YES;
 120
 121     if ( __shouldReleaseWhenIdle ) {
 122         [self release];
 123     }
 124 }
 125
 126 - (void)cancelAppear
 127 {
 128     [self setWindowVisibility:ITWindowVanishingState];
 129
 130     [_effectTimer invalidate];
 131     _effectTimer = nil;
 132
 133     [self performVanishFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)];
 134 }
 135
 136
 137 /*************************************************************************/
 138 #pragma mark -
 139 #pragma mark VANISH METHODS
 140 /*************************************************************************/
 141
 142 - (void)performVanish
 143 {
 144     __idle = NO;
 145
 146     [self setWindowVisibility:ITWindowVanishingState];
 147     [self performVanishFromProgress:1.0 effectTime:_effectTime];
 148 }
 149
 150 - (void)performVanishFromProgress:(float)progress effectTime:(float)time
 151 {
 152     [_window setEffectProgress:progress];
 153     _effectSpeed = (1.0 / (EFFECT_FPS * time));
 154     if ( progress == 1.0 ) {
 155         [_window setAlphaValue:1.0];
 156     }
 157
 158     [_window orderFront:self];
 159     _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
 160                                                     target:self
 161                                                   selector:@selector(vanishStep)
 162                                                   userInfo:nil
 163                                                    repeats:YES];
 164 }
 165
 166 - (void)vanishStep
 167 {
 168     float interFade = 1.0;
 169     [_window setEffectProgress:([_window effectProgress] - _effectSpeed)];
 170     [_window setEffectProgress:( ([_window effectProgress] > 0.0) ? [_window effectProgress] : 0.0)];
 171     interFade = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
 172     [_window setAlphaValue:interFade];
 173
 174     if ( [_window effectProgress] <= 0.0 ) {
 175         [self vanishFinish];
 176     }
 177 }
 178
 179 - (void)vanishFinish
 180 {
 181     [_effectTimer invalidate];
 182     _effectTimer = nil;
 183     [_window orderOut:self];
 184     [_window setAlphaValue:1.0];
 185     [self setWindowVisibility:ITWindowHiddenState];
 186
 187     __idle = YES;
 188
 189     if ( __shouldReleaseWhenIdle ) {
 190         [self release];
 191     }
 192 }
 193
 194 - (void)cancelVanish
 195 {
 196     [self setWindowVisibility:ITWindowVanishingState];
 197
 198     [_effectTimer invalidate];
 199     _effectTimer = nil;
 200
 201     [self performAppearFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)];
 202 }
 203
 204
 205 @end