From 226205305b72f952c9ccc47f06f5fb80dda4ea4d Mon Sep 17 00:00:00 2001
From: Mallory Paine <mpaine@gmail.com>
Date: Sun, 15 Feb 2015 21:11:05 -0800
Subject: [PATCH] =?UTF-8?q?Suppose=20you=20show=20a=20HUD=20during=20a=20n?=
 =?UTF-8?q?etwork=20request,=20but=20that=20request=20completes=20very=20q?=
 =?UTF-8?q?uickly.=20Without=20this=20feature,=20the=20HUD=20appears=20and?=
 =?UTF-8?q?=20then=20quickly=20disappears,=20flashing=20too=20quickly=20on?=
 =?UTF-8?q?=20the=20screen.=20Prevent=20quick=20flashes=20by=20allowing=20?=
 =?UTF-8?q?specification=20of=20a=20=E2=80=9CminimumDisplayTime=E2=80=9D.?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 JGProgressHUD/JGProgressHUD/JGProgressHUD.h |  7 +++++++
 JGProgressHUD/JGProgressHUD/JGProgressHUD.m | 14 ++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/JGProgressHUD/JGProgressHUD/JGProgressHUD.h b/JGProgressHUD/JGProgressHUD/JGProgressHUD.h
index 2338c0a..511b9dc 100755
--- a/JGProgressHUD/JGProgressHUD/JGProgressHUD.h
+++ b/JGProgressHUD/JGProgressHUD/JGProgressHUD.h
@@ -251,6 +251,13 @@ typedef NS_ENUM(NSUInteger, JGProgressHUDInteractionType) {
 - (void)setProgress:(float)progress animated:(BOOL)animated;
 
 
+/**
+ Specify a minimum time that the HUD will be on-screen. Useful to prevent the HUD from flashing quickly on the screen when network operations complete more quickly than expected.
+ 
+ @b Default: 0.0.
+ */
+@property (nonatomic, assign) NSTimeInterval minimumDisplayTime;
+
 /////////////
 // Showing //
 /////////////
diff --git a/JGProgressHUD/JGProgressHUD/JGProgressHUD.m b/JGProgressHUD/JGProgressHUD/JGProgressHUD.m
index 1dee300..05db45f 100755
--- a/JGProgressHUD/JGProgressHUD/JGProgressHUD.m
+++ b/JGProgressHUD/JGProgressHUD/JGProgressHUD.m
@@ -42,6 +42,8 @@ @interface JGProgressHUD () {
     BOOL _dismissAfterTransitionFinished;
     BOOL _dismissAfterTransitionFinishedWithAnimation;
     
+    CFAbsoluteTime _displayTime;
+    
     JGProgressHUDIndicatorView *_indicatorViewAfterTransitioning;
 }
 
@@ -328,6 +330,7 @@ - (void)cleanUpAfterPresentation {
     self.hidden = NO;
     
     _transitioning = NO;
+    _displayTime = CFAbsoluteTimeGetCurrent();
     
     if (_indicatorViewAfterTransitioning) {
         self.indicatorView = _indicatorViewAfterTransitioning;
@@ -389,6 +392,8 @@ - (void)showInRect:(CGRect)rect inView:(UIView *)view animated:(BOOL)animated {
     
     _transitioning = YES;
     
+    _displayTime = 0;
+    
     if ([self.delegate respondsToSelector:@selector(progressHUD:willPresentInView:)]) {
         [self.delegate progressHUD:self willPresentInView:view];
     }
@@ -435,6 +440,15 @@ - (void)dismissAnimated:(BOOL)animated {
         return;
     }
     
+    if (self.minimumDisplayTime > 0 && _displayTime > 0) {
+        CFAbsoluteTime displayedTime = CFAbsoluteTimeGetCurrent() - _displayTime;
+        if (displayedTime < self.minimumDisplayTime) {
+            NSTimeInterval delay = self.minimumDisplayTime - displayedTime;
+            [self dismissAfterDelay:delay animated:animated];
+            return;
+        }
+    }
+    
     _transitioning = YES;
     
     if ([self.delegate respondsToSelector:@selector(progressHUD:willDismissFromView:)]) {