ITPivotWindowEffect.m

   1 #import "ITPivotWindowEffect.h"
   2 #import "ITCoreGraphicsHacks.h"
   3 #import "ITTransientStatusWindow.h"
   4
   5
   6 @interface ITPivotWindowEffect (Private)
   7 - (void)setPivot:(float)angle;
   8 - (void)performAppearFromProgress:(float)progress effectTime:(float)time;
   9 - (void)appearStep;
  10 - (void)appearFinish;
  11 - (void)performVanishFromProgress:(float)progress effectTime:(float)time;
  12 - (void)vanishStep;
  13 - (void)vanishFinish;
  14 @end
  15
  16
  17 @implementation ITPivotWindowEffect
  18
  19
  20 + (NSString *)effectName
  21 {
  22     return @"Pivot";
  23 }
  24
  25 + (NSDictionary *)supportedPositions
  26 {
  27     return [NSDictionary dictionaryWithObjectsAndKeys:
  28         [NSDictionary dictionaryWithObjectsAndKeys:
  29             [NSNumber numberWithBool:YES], @"Left",
  30             [NSNumber numberWithBool:NO], @"Center",
  31             [NSNumber numberWithBool:YES], @"Right", nil] , @"Top" ,
  32         [NSDictionary dictionaryWithObjectsAndKeys:
  33             [NSNumber numberWithBool:NO], @"Left",
  34             [NSNumber numberWithBool:NO], @"Center",
  35             [NSNumber numberWithBool:NO], @"Right", nil] , @"Middle" ,
  36         [NSDictionary dictionaryWithObjectsAndKeys:
  37             [NSNumber numberWithBool:YES], @"Left",
  38             [NSNumber numberWithBool:NO], @"Center",
  39             [NSNumber numberWithBool:YES], @"Right", nil] , @"Bottom" , nil];
  40 }
  41
  42
  43 + (unsigned int)listOrder
  44 {
  45     return 500;
  46 }
  47
  48
  49 /*************************************************************************/
  50 #pragma mark -
  51 #pragma mark APPEAR METHODS
  52 /*************************************************************************/
  53
  54 - (void)performAppear
  55 {
  56     __idle = NO;
  57
  58     [self setWindowVisibility:ITWindowAppearingState];
  59     [self performAppearFromProgress:0.0 effectTime:_effectTime];
  60 }
  61
  62 - (void)performAppearFromProgress:(float)progress effectTime:(float)time
  63 {
  64     [_window setEffectProgress:progress];
  65     _effectSpeed = (1.0 / (EFFECT_FPS * time));
  66
  67     if ( progress == 0.0 ) {
  68         [self setPivot:315.0];
  69         [_window setAlphaValue:0.0];
  70     }
  71
  72     [_window orderFront:self];
  73     _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
  74                                                     target:self
  75                                                   selector:@selector(appearStep)
  76                                                   userInfo:nil
  77                                                    repeats:YES];
  78 }
  79
  80 - (void)appearStep
  81 {
  82     float interPivot = 0.0;
  83     float progress   = ([_window effectProgress] + _effectSpeed);
  84
  85     progress = ( (progress < 1.0) ? progress : 1.0 );
  86
  87     [_window setEffectProgress:progress];
  88
  89     interPivot = (( sin((progress * pi) - (pi / 2)) + 1 ) / 2);
  90     [self setPivot:(315 + (interPivot * 45))];
  91     [_window setAlphaValue:interPivot];
  92
  93     if ( progress >= 1.0 ) {
  94         [self appearFinish];
  95     }
  96 }
  97
  98 - (void)appearFinish
  99 {
 100     [_effectTimer invalidate];
 101     _effectTimer = nil;
 102     [self setWindowVisibility:ITWindowVisibleState];
 103
 104     __idle = YES;
 105
 106     if ( __shouldReleaseWhenIdle ) {
 107         [self release];
 108     }
 109 }
 110
 111 - (void)cancelAppear
 112 {
 113     [self setWindowVisibility:ITWindowVanishingState];
 114
 115     [_effectTimer invalidate];
 116     _effectTimer = nil;
 117
 118     [self performVanishFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)];
 119 }
 120
 121
 122 /*************************************************************************/
 123 #pragma mark -
 124 #pragma mark VANISH METHODS
 125 /*************************************************************************/
 126
 127 - (void)performVanish
 128 {
 129     __idle = NO;
 130
 131     [self setWindowVisibility:ITWindowVanishingState];
 132     [self performVanishFromProgress:1.0 effectTime:_effectTime];
 133 }
 134
 135 - (void)performVanishFromProgress:(float)progress effectTime:(float)time
 136 {
 137     [_window setEffectProgress:progress];
 138     _effectSpeed = (1.0 / (EFFECT_FPS * time));
 139     if ( progress == 1.0 ) {
 140         [self setPivot:0.0];
 141         [_window setAlphaValue:1.0];
 142     }
 143
 144     [_window orderFront:self];
 145     _effectTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / EFFECT_FPS)
 146                                                     target:self
 147                                                   selector:@selector(vanishStep)
 148                                                   userInfo:nil
 149                                                    repeats:YES];
 150 }
 151
 152 - (void)vanishStep
 153 {
 154     float interPivot = 1.0;
 155     float progress   = ([_window effectProgress] - _effectSpeed);
 156
 157     progress = ( (progress > 0.0) ? progress : 0.0);
 158
 159     [_window setEffectProgress:progress];
 160
 161     interPivot = (( sin(([_window effectProgress] * pi) - (pi / 2)) + 1 ) / 2);
 162     [self setPivot:(315 + (interPivot * 45))];
 163     [_window setAlphaValue:interPivot];
 164
 165     if ( progress <= 0.0 ) {
 166         [self vanishFinish];
 167     }
 168 }
 169
 170 - (void)vanishFinish
 171 {
 172     [_effectTimer invalidate];
 173     _effectTimer = nil;
 174     [_window orderOut:self];
 175     [_window setAlphaValue:1.0];
 176     [self setPivot:0.0];
 177     [self setWindowVisibility:ITWindowHiddenState];
 178
 179     __idle = YES;
 180
 181     if ( __shouldReleaseWhenIdle ) {
 182         [self release];
 183     }
 184 }
 185
 186 - (void)cancelVanish
 187 {
 188     [self setWindowVisibility:ITWindowAppearingState];
 189
 190     [_effectTimer invalidate];
 191     _effectTimer = nil;
 192
 193     [self performAppearFromProgress:[_window effectProgress] effectTime:(_effectTime / 3.5)];
 194 }
 195
 196
 197 /*************************************************************************/
 198 #pragma mark -
 199 #pragma mark PRIVATE METHOD IMPLEMENTATIONS
 200 /*************************************************************************/
 201
 202 - (void)setPivot:(float)angle
 203 {
 204     int hPos = [_window horizontalPosition];
 205     int vPos = [_window verticalPosition];
 206
 207     if ( (hPos == ITWindowPositionCenter) || (vPos == ITWindowPositionMiddle) ) {
 208
 209         CGAffineTransform transform;
 210         NSPoint translation;
 211
 212         translation.x = ( -([_window frame].origin.x) ) ;
 213         translation.y = -( [[_window screen] frame].size.height - [_window frame].origin.y - [_window frame].size.height );
 214
 215         transform = CGAffineTransformMakeTranslation( translation.x, translation.y );
 216
 217         CGSSetWindowTransform([NSApp contextID],
 218                               (CGSWindowID)[_window windowNumber],
 219                               transform);
 220     } else {
 221
 222         float  degAngle;
 223         NSRect windowFrame = [_window frame];
 224         NSRect screenFrame = [[_window screen] frame];
 225         float  translateX = 0;
 226         float  translateY = 0;
 227         CGAffineTransform transform;
 228
 229         if ( vPos == ITWindowPositionBottom ) {
 230             if ( hPos == ITWindowPositionLeft ) {
 231                 angle = angle;
 232             } else if ( hPos == ITWindowPositionRight ) {
 233                 angle = ( 45 - -(315 - angle) );
 234             }
 235         } else if ( vPos == ITWindowPositionTop ) {
 236             if ( hPos == ITWindowPositionLeft ) {
 237                 angle = ( 45 - -(315 - angle) );
 238             } else if ( hPos == ITWindowPositionRight ) {
 239                 angle = angle;
 240             }
 241         }
 242
 243         degAngle  = (angle * (pi / 180));
 244         transform = CGAffineTransformMakeRotation(degAngle);
 245
 246         if ( vPos == ITWindowPositionBottom ) {
 247             transform.ty = ( windowFrame.size.height + windowFrame.origin.y);
 248             translateY   = -(screenFrame.size.height);
 249         } else if ( vPos == ITWindowPositionTop ) {
 250             transform.ty = -( screenFrame.size.height - windowFrame.origin.y - windowFrame.size.height );
 251             translateY   = 0;
 252         }
 253
 254         if ( hPos == ITWindowPositionLeft ) {
 255             transform.tx = -( windowFrame.origin.x );
 256             translateX   = 0;
 257         } else if ( hPos == ITWindowPositionRight ) {
 258             transform.tx = ( screenFrame.size.width - windowFrame.origin.x );
 259             translateX   = -(screenFrame.size.width);
 260         }
 261
 262         CGSSetWindowTransform([NSApp contextID],
 263                               (CGSWindowID)[_window windowNumber],
 264                               CGAffineTransformTranslate( transform,
 265                                                           translateX,
 266                                                           translateY ) );
 267     }
 268 }
 269
 270
 271 @end