Build ChatListUI

submodules/LegacyComponents/Sources/TGEmbedPIPButton.m

@@ -0,0 +1,93 @@
+#import "TGEmbedPIPButton.h"
+
+const CGSize TGEmbedPIPButtonSize = { 42.0f, 42.0f };
+
+@interface TGEmbedPIPButton ()
+{
+    UIVisualEffectView *_backView;
+    UIView *_highlightView;
+    UIImageView *_iconView;
+    
+    bool _animateHighlight;
+}
+@end
+
+@implementation TGEmbedPIPButton
+
+- (instancetype)initWithFrame:(CGRect)frame
+{
+    self = [super initWithFrame:frame];
+    if (self != nil)
+    {
+        self.clipsToBounds = true;
+        self.exclusiveTouch = true;
+        
+        UIVisualEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
+        _backView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
+        _backView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+        _backView.frame = self.bounds;
+        _backView.userInteractionEnabled = false;
+        [self addSubview:_backView];
+        
+        _highlightView = [[UIView alloc] initWithFrame:self.bounds];
+        _highlightView.alpha = 0.0f;
+        _highlightView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+        _highlightView.backgroundColor = [UIColor whiteColor];
+        _highlightView.userInteractionEnabled = false;
+        [self addSubview:_highlightView];
+        
+        _iconView = [[UIImageView alloc] initWithFrame:self.bounds];
+        _iconView.contentMode = UIViewContentModeCenter;
+        [self addSubview:_iconView];
+    }
+    return self;
+}
+
+- (void)setFrame:(CGRect)frame
+{
+    [super setFrame:frame];
+    self.layer.cornerRadius = frame.size.width / 2.0f;
+}
+
+- (void)setIconImage:(UIImage *)iconImage
+{
+    _iconView.image = iconImage;
+}
+
+- (void)setHighlighted:(BOOL)highlighted
+{
+    [super setHighlighted:highlighted];
+    
+    void (^changeBlock)(void) = ^
+    {
+        _highlightView.alpha = highlighted ? 1.0f : 0.0f;
+    };
+    
+    if (_animateHighlight)
+        [UIView animateWithDuration:0.2 animations:changeBlock];
+    else
+        changeBlock();
+}
+
+- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
+{
+    _animateHighlight = true;
+    [super touchesMoved:touches withEvent:event];
+    _animateHighlight = false;
+}
+
+- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
+{
+    _animateHighlight = true;
+    [super touchesEnded:touches withEvent:event];
+    _animateHighlight = false;
+}
+
+- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
+{
+    _animateHighlight = true;
+    [super touchesCancelled:touches withEvent:event];
+    _animateHighlight = false;
+}
+
+@end