ITWindowEffect.m

   1 #import "ITWindowEffect.h"
   2 #import "ITTransientStatusWindow.h"
   3 #import <OpenGL/gl.h>
   4 #import <OpenGL/glu.h>
   5 #import <OpenGL/glext.h>
   6
   7 @implementation ITWindowEffect
   8
   9 + (NSArray *)effectClasses
  10 {
  11     NSMutableArray *classes = [[NSArray arrayWithObjects:
  12         NSClassFromString(@"ITCutWindowEffect"),
  13         NSClassFromString(@"ITDissolveWindowEffect"),
  14         NSClassFromString(@"ITSlideHorizontallyWindowEffect"),
  15         NSClassFromString(@"ITSlideVerticallyWindowEffect"),
  16         NSClassFromString(@"ITPivotWindowEffect"),
  17         NSClassFromString(@"ITZoomWindowEffect"),
  18         NSClassFromString(@"ITSpinWindowEffect"),
  19         NSClassFromString(@"ITSpinAndZoomWindowEffect"),
  20         nil] mutableCopy];
  21
  22         long version;
  23         if ((Gestalt(gestaltSystemVersion, &version) == noErr) && (version >= 4160) && (version < 4166)) {
  24                 NSOpenGLView *view = [[NSOpenGLView alloc] initWithFrame:NSMakeRect(0, 0, 1, 1) pixelFormat:[NSOpenGLView defaultPixelFormat]];
  25                 if ([view openGLContext]) {
  26                         NSString *string = [NSString stringWithCString:glGetString(GL_EXTENSIONS)];
  27                         NSRange result = [string rangeOfString:@"ARB_fragment_program"];
  28                         if (result.location != NSNotFound) {
  29                                 [classes addObject:NSClassFromString(@"ITCoreImageWindowEffect")];
  30                         }
  31                 }
  32                 [view release];
  33         }
  34
  35     return [classes autorelease];
  36 }
  37
  38 - (id)initWithWindow:(NSWindow *)window
  39 {
  40     if ( (self = [super init]) ) {
  41         _window                 = [window retain];
  42         _effectTime             = DEFAULT_EFFECT_TIME;
  43         _effectTimer            = nil;
  44         __shouldReleaseWhenIdle = NO;
  45         __idle                  = YES;
  46
  47         if ( [window conformsToProtocol:@protocol(ITWindowPositioning)] ) {
  48             _verticalPosition   = (ITVerticalWindowPosition)[(ITTransientStatusWindow *)window verticalPosition];
  49             _horizontalPosition = (ITHorizontalWindowPosition)[(ITTransientStatusWindow *)window horizontalPosition];
  50         } else {
  51             NSLog(@"ITWindowEffect - initWithWindow: - window does not conform to ITWindowPositioning.");
  52             _verticalPosition   = ITWindowPositionBottom;
  53             _horizontalPosition = ITWindowPositionLeft;
  54         }
  55     }
  56     return self;
  57 }
  58
  59 - (NSWindow *)window
  60 {
  61     return _window;
  62 }
  63
  64 - (void)setWindow:(NSWindow *)newWindow
  65 {
  66     [_window autorelease];
  67     _window = [newWindow retain];
  68 }
  69
  70 - (void)setWindowVisibility:(ITWindowVisibilityState)visibilityState
  71 {
  72     if ( [_window conformsToProtocol:@protocol(ITWindowMotility)] ) {
  73        // Cast so the compiler won't gripe
  74         [(ITTransientStatusWindow *)_window setVisibilityState:visibilityState];
  75     } else {
  76         NSLog(@"ITWindowEffect - setWindowVisibility: - window does not conform to ITWindowVisibility.");
  77     }
  78 }
  79
  80 - (float)effectTime
  81 {
  82     return _effectTime;
  83 }
  84
  85 - (void)setEffectTime:(float)newTime
  86 {
  87     _effectTime = newTime;
  88 }
  89
  90 + (NSString *)effectName
  91 {
  92     NSLog(@"ITWindowEffect does not implement +effectName.");
  93     return nil;
  94 }
  95
  96 + (NSDictionary *)supportedPositions
  97 {
  98     NSLog(@"ITWindowEffect does not implement +supportedPositions.");
  99
 100 //  Below is an example dictionary.  Modify it appropriately when subclassing.
 101     return [NSDictionary dictionaryWithObjectsAndKeys:
 102         [NSDictionary dictionaryWithObjectsAndKeys:
 103             [NSNumber numberWithBool:NO], @"Left",
 104             [NSNumber numberWithBool:NO], @"Center",
 105             [NSNumber numberWithBool:NO], @"Right", nil] , @"Top" ,
 106         [NSDictionary dictionaryWithObjectsAndKeys:
 107             [NSNumber numberWithBool:NO], @"Left",
 108             [NSNumber numberWithBool:NO], @"Center",
 109             [NSNumber numberWithBool:NO], @"Right", nil] , @"Middle" ,
 110         [NSDictionary dictionaryWithObjectsAndKeys:
 111             [NSNumber numberWithBool:NO], @"Left",
 112             [NSNumber numberWithBool:NO], @"Center",
 113             [NSNumber numberWithBool:NO], @"Right", nil] , @"Bottom" , nil];
 114 }
 115
 116 + (unsigned int)listOrder
 117 {
 118     NSLog(@"ITWindowEffect does not implement +listOrder.");
 119     return 0;
 120 }
 121
 122 - (void)performAppear
 123 {
 124     NSLog(@"ITWindowEffect does not implement -performAppear.");
 125 }
 126
 127 - (void)performVanish
 128 {
 129     NSLog(@"ITWindowEffect does not implement -performVanish.");
 130 }
 131
 132 - (void)cancelAppear
 133 {
 134     NSLog(@"ITWindowEffect does not implement -cancelAppear.");
 135 }
 136
 137 - (void)cancelVanish
 138 {
 139     NSLog(@"ITWindowEffect does not implement -cancelVanish.");
 140 }
 141
 142 - (void)releaseWhenIdle;
 143 {
 144     if ( __idle ) {
 145         [self release];
 146     } else {
 147         __shouldReleaseWhenIdle = YES;
 148     }
 149 }
 150
 151 - (void)dealloc
 152 {
 153         [_window release];
 154         [super dealloc];
 155 }
 156
 157
 158 @end