fixed bugs when changing orientation, and added optional dynamic blur

CCMPopup/CCMPopupAnimation.m

@@ -19,8 +19,9 @@
 #import "UIImage+screenshot.h"
 #import "UIImage+ImageEffects.h"
 #import "UIViewController+CCMPopupAnimation.h"
+#import "FXBlurView.h"
 
-static UIView *blurredBackground;
+static FXBlurView *blurredBackground;
 static UIView *touchView;
 
 @interface CCMPopupAnimation ()
@@ -52,12 +53,19 @@ - (void)animatePresentationTransition:(id<UIViewControllerContextTransitioning>)
     CGRect endBounds = [popupTransitioning destinationBounds];
 
     toViewController.view.frame = endBounds;
+    toViewController.view.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleBottomMargin;
 
     if (popupTransitioning.backgroundBlurRadius != 0) {
 //        blurredBackground = [[UIImageView alloc] initWithImage:[[UIImage screenshot] applyBlurWithRadius:5.0 tintColor:[UIColor colorWithRed:20/255.0 green:36/255.0 blue:47/255.0 alpha:0.6] saturationDeltaFactor:1.0 maskImage:nil]];
-        blurredBackground = [[UIImageView alloc] initWithImage:[[UIImage screenshot] applyBlurWithRadius:popupTransitioning.backgroundBlurRadius tintColor:nil saturationDeltaFactor:1.0 maskImage:nil]];
+        //blurredBackground = [[UIImageView alloc] initWithImage:[[UIImage screenshot] applyBlurWithRadius:popupTransitioning.backgroundBlurRadius tintColor:nil saturationDeltaFactor:1.0 maskImage:nil]];
+        blurredBackground = [[FXBlurView alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+        blurredBackground.tintColor = [UIColor clearColor];
+        blurredBackground.blurRadius = popupTransitioning.backgroundBlurRadius;
+        blurredBackground.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
+        blurredBackground.dynamic = popupTransitioning.dynamic;
     }
     touchView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+    touchView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
     if (popupTransitioning.backgroundViewAlpha != 0) {
         touchView.backgroundColor = popupTransitioning.backgroundViewColor;
         touchView.alpha = popupTransitioning.backgroundViewAlpha;

CCMPopup/CCMPopupSegue.h

@@ -22,6 +22,7 @@
 @property CGFloat backgroundBlurRadius;
 @property UIColor *backgroundViewColor;
 @property CGFloat backgroundViewAlpha;
+@property BOOL dynamic;
 @property BOOL dismissableByTouchingBackground;
 
 @end

CCMPopup/CCMPopupSegue.m

@@ -41,6 +41,7 @@ -(void)perform{
     delegate.backgroundBlurRadius = self.backgroundBlurRadius;
     delegate.backgroundViewAlpha = self.backgroundViewAlpha;
     delegate.backgroundViewColor = self.backgroundViewColor;
+    delegate.dynamic = self.dynamic;
     delegate.dismissableByTouchingBackground = self.dismissableByTouchingBackground;
     delegate.presentedController = destination;
     delegate.presentingController = source;

CCMPopup/CCMPopupTransitioning.h

@@ -25,6 +25,7 @@
 @property CGFloat backgroundBlurRadius;
 @property UIColor *backgroundViewColor;
 @property CGFloat backgroundViewAlpha;
+@property BOOL dynamic;
 @property BOOL dismissableByTouchingBackground;
 
 +(instancetype)sharedInstance;

CCMPopup/FXBlurView/FXBlurView.h

@@ -0,0 +1,79 @@
+//
+//  FXBlurView.h
+//
+//  Version 1.6.3
+//
+//  Created by Nick Lockwood on 25/08/2013.
+//  Copyright (c) 2013 Charcoal Design
+//
+//  Distributed under the permissive zlib License
+//  Get the latest version from here:
+//
+//  https://github.com/nicklockwood/FXBlurView
+//
+//  This software is provided 'as-is', without any express or implied
+//  warranty.  In no event will the authors be held liable for any damages
+//  arising from the use of this software.
+//
+//  Permission is granted to anyone to use this software for any purpose,
+//  including commercial applications, and to alter it and redistribute it
+//  freely, subject to the following restrictions:
+//
+//  1. The origin of this software must not be misrepresented; you must not
+//  claim that you wrote the original software. If you use this software
+//  in a product, an acknowledgment in the product documentation would be
+//  appreciated but is not required.
+//
+//  2. Altered source versions must be plainly marked as such, and must not be
+//  misrepresented as being the original software.
+//
+//  3. This notice may not be removed or altered from any source distribution.
+//
+
+
+#import <UIKit/UIKit.h>
+#import <QuartzCore/QuartzCore.h>
+#import <Accelerate/Accelerate.h>
+
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wobjc-missing-property-synthesis"
+
+
+#import <Availability.h>
+#undef weak_ref
+#if __has_feature(objc_arc) && __has_feature(objc_arc_weak)
+#define weak_ref weak
+#else
+#define weak_ref unsafe_unretained
+#endif
+
+
+@interface UIImage (FXBlurView)
+
+- (UIImage *)blurredImageWithRadius:(CGFloat)radius iterations:(NSUInteger)iterations tintColor:(UIColor *)tintColor;
+
+@end
+
+
+@interface FXBlurView : UIView
+
++ (void)setBlurEnabled:(BOOL)blurEnabled;
++ (void)setUpdatesEnabled;
++ (void)setUpdatesDisabled;
+
+@property (nonatomic, getter = isBlurEnabled) BOOL blurEnabled;
+@property (nonatomic, getter = isDynamic) BOOL dynamic;
+@property (nonatomic, assign) NSUInteger iterations;
+@property (nonatomic, assign) NSTimeInterval updateInterval;
+@property (nonatomic, assign) CGFloat blurRadius;
+@property (nonatomic, strong) UIColor *tintColor;
+@property (nonatomic, weak_ref) IBOutlet UIView *underlyingView;
+
+- (void)updateAsynchronously:(BOOL)async completion:(void (^)())completion;
+
+@end
+
+
+#pragma GCC diagnostic pop
+