Respond to CR.

Signal/src/ViewControllers/ConversationView/Cells/OWSBubbleShapeView.h

@@ -30,10 +30,15 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (instancetype)init NS_UNAVAILABLE;
 
-+ (OWSBubbleShapeView *)bubbleDrawView;
-+ (OWSBubbleShapeView *)bubbleShadowView;
-+ (OWSBubbleShapeView *)bubbleClipView;
-+ (OWSBubbleShapeView *)bubbleInnerShadowView;
+- (instancetype)initDraw NS_DESIGNATED_INITIALIZER;
+- (instancetype)initShadow NS_DESIGNATED_INITIALIZER;
+;
+- (instancetype)initClip NS_DESIGNATED_INITIALIZER;
+;
+- (instancetype)initInnerShadowWithColor:(UIColor *)color
+                                  radius:(CGFloat)radius
+                                 opacity:(float)opacity NS_DESIGNATED_INITIALIZER;
+;
 
 @end
 

Signal/src/ViewControllers/ConversationView/Cells/OWSBubbleShapeView.m

@@ -31,13 +31,8 @@ typedef NS_ENUM(NSUInteger, OWSBubbleShapeViewMode) {
 
 @implementation OWSBubbleShapeView
 
-- (instancetype)init
+- (void)configure
 {
-    self = [super init];
-    if (!self) {
-        return self;
-    }
-
     self.mode = OWSBubbleShapeViewMode_Draw;
     self.opaque = NO;
     self.backgroundColor = [UIColor clearColor];
@@ -47,36 +42,67 @@ typedef NS_ENUM(NSUInteger, OWSBubbleShapeViewMode) {
     [self.layer addSublayer:self.shapeLayer];
 
     self.maskLayer = [CAShapeLayer new];
-
-    return self;
 }
 
-+ (OWSBubbleShapeView *)bubbleDrawView
+
+- (instancetype)initDraw
 {
-    OWSBubbleShapeView *instance = [OWSBubbleShapeView new];
-    instance.mode = OWSBubbleShapeViewMode_Draw;
-    return instance;
+    self = [super init];
+    if (!self) {
+        return self;
+    }
+
+    self.mode = OWSBubbleShapeViewMode_Draw;
+
+    [self configure];
+
+    return self;
 }
 
-+ (OWSBubbleShapeView *)bubbleShadowView
+- (instancetype)initShadow
 {
-    OWSBubbleShapeView *instance = [OWSBubbleShapeView new];
-    instance.mode = OWSBubbleShapeViewMode_Shadow;
-    return instance;
+    self = [super init];
+    if (!self) {
+        return self;
+    }
+
+    self.mode = OWSBubbleShapeViewMode_Shadow;
+
+    [self configure];
+
+    return self;
 }
 
-+ (OWSBubbleShapeView *)bubbleClipView
+- (instancetype)initClip
 {
-    OWSBubbleShapeView *instance = [OWSBubbleShapeView new];
-    instance.mode = OWSBubbleShapeViewMode_Clip;
-    return instance;
+    self = [super init];
+    if (!self) {
+        return self;
+    }
+
+    self.mode = OWSBubbleShapeViewMode_Clip;
+
+    [self configure];
+
+    return self;
 }
 
-+ (OWSBubbleShapeView *)bubbleInnerShadowView
+- (instancetype)initInnerShadowWithColor:(UIColor *)color radius:(CGFloat)radius opacity:(float)opacity
 {
-    OWSBubbleShapeView *instance = [OWSBubbleShapeView new];
-    instance.mode = OWSBubbleShapeViewMode_InnerShadow;
-    return instance;
+    self = [super init];
+    if (!self) {
+        return self;
+    }
+
+    self.mode = OWSBubbleShapeViewMode_InnerShadow;
+    _innerShadowColor = color;
+    _innerShadowRadius = radius;
+    _innerShadowOpacity = opacity;
+
+    [self configure];
+    [self updateLayers];
+
+    return self;
 }
 
 - (void)setFillColor:(nullable UIColor *)fillColor

Signal/src/ViewControllers/ConversationView/Cells/OWSMessageBubbleView.m

@@ -352,11 +352,11 @@ const UIDataDetectorTypes kOWSAllowedDataDetectorTypes
             if (self.hasBodyMediaWithThumbnail) {
                 [self.stackView addArrangedSubview:bodyMediaView];
 
-                OWSBubbleShapeView *innerShadowView = [OWSBubbleShapeView bubbleInnerShadowView];
-                innerShadowView.innerShadowColor
-                    = (Theme.isDarkThemeEnabled ? UIColor.ows_whiteColor : UIColor.ows_blackColor);
-                innerShadowView.innerShadowRadius = 0.5f;
-                innerShadowView.innerShadowOpacity = 0.15f;
+                OWSBubbleShapeView *innerShadowView = [[OWSBubbleShapeView alloc]
+                    initInnerShadowWithColor:(Theme.isDarkThemeEnabled ? UIColor.ows_whiteColor
+                                                                       : UIColor.ows_blackColor)
+                                      radius:0.5f
+                                     opacity:0.15f];
                 [bodyMediaView addSubview:innerShadowView];
                 [self.bubbleView addPartnerView:innerShadowView];
                 [self.viewConstraints addObjectsFromArray:[innerShadowView ows_autoPinToSuperviewEdges]];
@@ -497,8 +497,8 @@ const UIDataDetectorTypes kOWSAllowedDataDetectorTypes
     UIView *proxyView = [UIView new];
     [self.stackView addArrangedSubview:proxyView];
 
-    OWSBubbleShapeView *shadowView = [OWSBubbleShapeView bubbleShadowView];
-    OWSBubbleShapeView *clipView = [OWSBubbleShapeView bubbleClipView];
+    OWSBubbleShapeView *shadowView = [[OWSBubbleShapeView alloc] initShadow];
+    OWSBubbleShapeView *clipView = [[OWSBubbleShapeView alloc] initClip];
 
     [self addSubview:shadowView];
     [self addSubview:clipView];