From 66f08907ae6230d5313332ddebf2a70c2cc5cc60 Mon Sep 17 00:00:00 2001
From: David Linsin <dlinsin@gmail.com>
Date: Tue, 4 Jan 2011 11:14:27 +0100
Subject: [PATCH] * refactored iOS 4 code to work on 3.0

---
 OBSlider/OBSlider.m | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/OBSlider/OBSlider.m b/OBSlider/OBSlider.m
index 4b88288..cfce3cf 100644
--- a/OBSlider/OBSlider.m
+++ b/OBSlider/OBSlider.m
@@ -97,6 +97,16 @@ - (BOOL) beginTrackingWithTouch:(UITouch *)touch withEvent:(UIEvent *)event
     return beginTracking;
 }
 
+- (NSUInteger) findIndexOfLowerScrubbingSpeed:(NSArray*)scrubbingSpeedPositions :(CGFloat)verticalOffset {
+    for (int i=0; i < [scrubbingSpeedPositions count]; i++) {
+        NSNumber *obj = [scrubbingSpeedPositions objectAtIndex:i];
+        if (verticalOffset < [obj floatValue]) {
+            return i;
+        }
+    }
+    return NSNotFound; 
+}
+
 
 - (BOOL) continueTrackingWithTouch:(UITouch *)touch withEvent:(UIEvent *)event
 {
@@ -108,9 +118,7 @@ - (BOOL) continueTrackingWithTouch:(UITouch *)touch withEvent:(UIEvent *)event
         
         // Find the scrubbing speed that curresponds to the touch's vertical offset
         CGFloat verticalOffset = fabsf(currentLocation.y - self.beganTrackingLocation.y);
-        NSUInteger scrubbingSpeedChangePosIndex = [self.scrubbingSpeedChangePositions indexOfObjectPassingTest:^(id obj, NSUInteger idx, BOOL *stop) {
-            return (BOOL)(verticalOffset < [obj floatValue]);
-        }];
+        NSUInteger scrubbingSpeedChangePosIndex = [self findIndexOfLowerScrubbingSpeed:self.scrubbingSpeedChangePositions :verticalOffset];        
         if (scrubbingSpeedChangePosIndex == NSNotFound) {
             scrubbingSpeedChangePosIndex = [self.scrubbingSpeeds count];
         }