Makes sure to never set textInputbar hidden twice. No need to different animation duration anymore.

Author: ignacio

Source/Classes/SLKTextViewController.m

@@ -834,9 +834,9 @@ - (void)setTextInputbarHidden:(BOOL)hidden
 
 - (void)setTextInputbarHidden:(BOOL)hidden animated:(BOOL)animated
 {
-//    if (self.isTextInputbarHidden == hidden) {
-//        return;
-//    }
+    if (self.isTextInputbarHidden == hidden) {
+        return;
+    }
 
     __weak typeof(self) weakSelf = self;
 
@@ -858,9 +858,7 @@ - (void)setTextInputbarHidden:(BOOL)hidden animated:(BOOL)animated
     };
 
     if (animated) {
-        NSTimeInterval duration = animated ? 0.25 : 0.0;
-
-        [UIView animateWithDuration:duration animations:animations completion:completion];
+        [UIView animateWithDuration:0.25 animations:animations completion:completion];
     }
     else {
         animations();