X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fthecheat;a=blobdiff_plain;f=FadeView.m;fp=FadeView.m;h=0e9b7ee6a0db455f389a25e9e2652d9ebd9426df;hp=0000000000000000000000000000000000000000;hb=d27548f80fe411fda2ee69c74a24eab4292267e9;hpb=e8d51183acdd2410a38dcf8f0efbf7c30cd6c581

diff --git a/FadeView.m b/FadeView.m
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+++ b/FadeView.m
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+//
+//  FadeView.m
+//  The Cheat
+//
+//  Created by Chaz McGarvey on 12/6/04.
+//  Copyright 2004 Chaz McGarvey. All rights reserved.
+//
+
+#import "FadeView.h"
+
+
+@interface FadeView ( PrivateAPI )
+
+- (void)_fadeTimer:(NSTimer *)timer;
+
+@end
+
+
+@implementation FadeView
+
+
+- (id)init
+{
+	if ( self = [super init] ) {
+		[self setFadeDuration:1.0];
+		[self setFadeInterval:5.0/60.0];
+	}
+	return self;
+}
+
+- (id)initWithFrame:(NSRect)frame
+{
+	if ( self = [super initWithFrame:frame] ) {
+		[self setFadeDuration:1.0];
+		[self setFadeInterval:5.0/60.0];
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	[self stopFadeAnimation];
+	[_fadeImage release];
+	[super dealloc];
+}
+
+
+- (void)drawRect:(NSRect)rect
+{
+    [_fadeImage dissolveToPoint:NSMakePoint(0,0) fraction:_fadeAlpha];
+}
+
+
+- (NSImage *)image
+{
+	return _fadeImage;
+}
+
+- (NSTimeInterval)fadeDuration
+{
+	return _fadeDuration;
+}
+
+- (NSTimeInterval)fadeInterval
+{
+	return _fadeInterval;
+}
+
+- (double)alpha
+{
+	return _fadeAlpha;
+}
+
+
+- (void)setImage:(NSImage *)image
+{
+	[image retain];
+	[_fadeImage release];
+	_fadeImage = image;
+}
+
+- (void)setFadeDuration:(NSTimeInterval)seconds
+{
+	if ( seconds != 0.0 ) {
+		_fadeDuration = seconds;
+	}
+	else {
+		_fadeDuration = 1.0;
+	}
+}
+
+- (void)setFadeInterval:(NSTimeInterval)seconds
+{
+	_fadeInterval = seconds;
+}
+
+- (void)startFadeAnimation
+{
+	[self stopFadeAnimation];
+	
+	_fadeAlpha = 1.0;
+	[self setNeedsDisplay:YES];
+	
+	_fadeTimer = [[NSTimer scheduledTimerWithTimeInterval:_fadeInterval target:self selector:@selector(_fadeTimer:) userInfo:nil repeats:YES] retain];
+	[[NSRunLoop currentRunLoop] addTimer:_fadeTimer forMode:NSEventTrackingRunLoopMode];
+	[[NSRunLoop currentRunLoop] addTimer:_fadeTimer forMode:NSModalPanelRunLoopMode];
+	[self release];
+}
+
+- (void)stopFadeAnimation
+{
+	if ( _fadeTimer ) {
+		[self retain];
+		[_fadeTimer invalidate];
+		[_fadeTimer release];
+		_fadeTimer = nil;
+	}
+}
+
+- (void)_fadeTimer:(NSTimer *)timer
+{
+	_fadeAlpha -= [timer timeInterval] / _fadeDuration;
+	[self setNeedsDisplay:YES];
+	
+	if ( _fadeAlpha <= 0.0 ) {
+		[self stopFadeAnimation];
+		if ( [_delegate respondsToSelector:@selector(fadeViewFinishedAnimation:)] ) {
+			[_delegate fadeViewFinishedAnimation:self];
+		}
+	}
+}
+
+
+- (id)delegate
+{
+	return _delegate;
+}
+
+- (void)setDelegate:(id)delegate
+{
+	_delegate = delegate;
+}
+
+
+@end