added back in old non block based animations for targets before ios4.0

SRandazzo · Sep 7, 2011 · 66a2f70 · 66a2f70
1 parent 0328bce
commit 66a2f70
Showing 1 changed file with 24 additions and 12 deletions.
diff --git a/class/HPGrowingTextView.m b/class/HPGrowingTextView.m
@@ -214,18 +214,30 @@ - (void)textViewDidChange:(UITextView *)textView
 		{
             if(animateHeightChange) {
 
-                [UIView animateWithDuration:0.1f 
-                                      delay:0 
-                                    options:(UIViewAnimationOptionAllowUserInteraction|
-                                             UIViewAnimationOptionBeginFromCurrentState)                                 
-                                 animations:^(void) {
-                                     [self resizeTextView:newSizeH];
-                                 } 
-                                 completion:^(BOOL finished) {
-                                     if ([delegate respondsToSelector:@selector(growingTextView:didChangeHeight:)]) {
-                                         [delegate growingTextView:self didChangeHeight:newSizeH];
-                                     }
-                                 }];
+                if ([UIView resolveClassMethod:@selector(animateWithDuration:animations:)]) {
+#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 40000
+                    [UIView animateWithDuration:0.1f 
+                                          delay:0 
+                                        options:(UIViewAnimationOptionAllowUserInteraction|
+                                                 UIViewAnimationOptionBeginFromCurrentState)                                 
+                                     animations:^(void) {
+                                         [self resizeTextView:newSizeH];
+                                     } 
+                                     completion:^(BOOL finished) {
+                                         if ([delegate respondsToSelector:@selector(growingTextView:didChangeHeight:)]) {
+                                             [delegate growingTextView:self didChangeHeight:newSizeH];
+                                         }
+                                     }];
+#endif
+                } else {
+                    [UIView beginAnimations:@"" context:nil];
+                    [UIView setAnimationDuration:0.1f];
+                    [UIView setAnimationDelegate:self];
+                    [UIView setAnimationDidStopSelector:@selector(growDidStop)];
+                    [UIView setAnimationBeginsFromCurrentState:YES];
+                    [self resizeTextView:newSizeH];
+                    [UIView commitAnimations];
+                }
             } else {
                 [self resizeTextView:newSizeH];                
                 // [fixed] The growingTextView:didChangeHeight: delegate method was not called at all when not animating height changes.