Build ChatListUI

submodules/LegacyComponents/Sources/TGPhotoEditorAnimation.m

@@ -0,0 +1,36 @@
+#import <LegacyComponents/TGPhotoEditorAnimation.h>
+
+@implementation TGPhotoEditorAnimation
+
++ (POPSpringAnimation *)prepareTransitionAnimationForPropertyNamed:(NSString *)propertyName
+{
+    POPSpringAnimation *animation = [POPSpringAnimation animationWithPropertyNamed:propertyName];
+    animation.springBounciness = 1;
+    animation.springSpeed = 12;
+    
+    return animation;
+}
+
++ (void)performBlock:(void (^)(bool))block whenCompletedAllAnimations:(NSArray *)animations
+{
+    if (block == nil)
+        return;
+    
+    NSMutableSet *animationsSet = [NSMutableSet setWithArray:animations];
+    __block bool allFinished = true;
+    void (^onAnimationCompletion)(POPAnimation *, BOOL) = ^(POPAnimation *animation, BOOL finished)
+    {
+        if (!finished)
+            allFinished = false;
+            
+        [animationsSet removeObject:animation];
+        
+        if (animationsSet.count == 0 && block != nil)
+            block(allFinished);
+    };
+    
+    for (POPAnimation *animation in animations)
+        animation.completionBlock = onAnimationCompletion;
+}
+
+@end