Streamline usage of quoted message view.

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

@@ -26,6 +26,9 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, readonly) BOOL isForPreview;
 @property (nonatomic, readonly) BOOL isOutgoing;
 
+@property (nonatomic, readonly) UILabel *quotedAuthorLabel;
+@property (nonatomic, readonly) UILabel *quotedTextLabel;
+
 @end
 
 #pragma mark -
@@ -53,10 +56,12 @@ NS_ASSUME_NONNULL_BEGIN
         displayableQuotedText = [DisplayableText displayableText:quotedMessage.body];
     }
 
-    return [[OWSQuotedMessageView alloc] initWithQuotedMessage:quotedMessage
-                                         displayableQuotedText:displayableQuotedText
-                                                  isForPreview:YES
-                                                    isOutgoing:YES];
+    OWSQuotedMessageView *instance = [[OWSQuotedMessageView alloc] initWithQuotedMessage:quotedMessage
+                                                                   displayableQuotedText:displayableQuotedText
+                                                                            isForPreview:YES
+                                                                              isOutgoing:YES];
+    [instance createContents];
+    return instance;
 }
 
 - (instancetype)initWithQuotedMessage:(OWSQuotedReplyModel *)quotedMessage
@@ -77,7 +82,8 @@ NS_ASSUME_NONNULL_BEGIN
     _isForPreview = isForPreview;
     _isOutgoing = isOutgoing;
 
-    [self createContents];
+    _quotedAuthorLabel = [UILabel new];
+    _quotedTextLabel = [UILabel new];
 
     return self;
 }
@@ -106,6 +112,8 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (void)createContents
 {
+    OWSAssert(!self.boundsStrokeView);
+
     self.backgroundColor = [UIColor whiteColor];
     self.userInteractionEnabled = NO;
     self.layoutMargins = UIEdgeInsetsZero;
@@ -155,7 +163,7 @@ NS_ASSUME_NONNULL_BEGIN
         [quotedAttachmentView setCompressionResistanceHigh];
     }
 
-    UILabel *quotedAuthorLabel = [self createQuotedAuthorLabel];
+    UILabel *quotedAuthorLabel = [self configureQuotedAuthorLabel];
     {
         [self addSubview:quotedAuthorLabel];
         [quotedAuthorLabel autoPinEdgeToSuperviewEdge:ALEdgeTop withInset:self.quotedAuthorTopInset];
@@ -171,6 +179,7 @@ NS_ASSUME_NONNULL_BEGIN
         [quotedAuthorLabel setCompressionResistanceLow];
     }
 
+    UILabel *quotedTextLabel;
     {
         // Stripe and text container.
         UIView *stripeAndTextContainer = [UIView containerView];
@@ -204,7 +213,7 @@ NS_ASSUME_NONNULL_BEGIN
         [quoteStripView setCompressionResistanceHigh];
 
         // Text.
-        UILabel *quotedTextLabel = [self createQuotedTextLabel];
+        quotedTextLabel = [self configureQuotedTextLabel];
         [stripeAndTextContainer addSubview:quotedTextLabel];
         [quotedTextLabel autoPinTopToSuperviewMarginWithInset:self.quotedReplyStripeVExtension];
         [quotedTextLabel autoPinBottomToSuperviewMarginWithInset:self.quotedReplyStripeVExtension];
@@ -243,8 +252,10 @@ NS_ASSUME_NONNULL_BEGIN
     return imageView;
 }
 
-- (UILabel *)createQuotedTextLabel
+- (UILabel *)configureQuotedTextLabel
 {
+    OWSAssert(self.quotedTextLabel);
+
     UIColor *textColor = self.quotedTextColor;
     UIFont *font = self.quotedTextFont;
     NSString *text = @"";
@@ -271,14 +282,13 @@ NS_ASSUME_NONNULL_BEGIN
         font = self.fileTypeFont;
     }
 
-    UILabel *quotedTextLabel = [UILabel new];
-    quotedTextLabel.numberOfLines = self.isForPreview ? 1 : 3;
-    quotedTextLabel.lineBreakMode = NSLineBreakByTruncatingTail;
-    quotedTextLabel.text = text;
-    quotedTextLabel.textColor = textColor;
-    quotedTextLabel.font = font;
+    self.quotedTextLabel.numberOfLines = self.isForPreview ? 1 : 3;
+    self.quotedTextLabel.lineBreakMode = NSLineBreakByTruncatingTail;
+    self.quotedTextLabel.text = text;
+    self.quotedTextLabel.textColor = textColor;
+    self.quotedTextLabel.font = font;
 
-    return quotedTextLabel;
+    return self.quotedTextLabel;
 }
 
 - (nullable NSString *)fileTypeForSnippet
@@ -305,8 +315,10 @@ NS_ASSUME_NONNULL_BEGIN
     return nil;
 }
 
-- (UILabel *)createQuotedAuthorLabel
+- (UILabel *)configureQuotedAuthorLabel
 {
+    OWSAssert(self.quotedAuthorLabel);
+
     NSString *_Nullable localNumber = [TSAccountManager localNumber];
     NSString *quotedAuthorText;
     if ([localNumber isEqualToString:self.quotedMessage.authorId]) {
@@ -328,13 +340,13 @@ NS_ASSUME_NONNULL_BEGIN
             quotedAuthor];
     }
 
-    UILabel *quotedAuthorLabel = [UILabel new];
-    quotedAuthorLabel.text = quotedAuthorText;
-    quotedAuthorLabel.font = self.quotedAuthorFont;
-    quotedAuthorLabel.textColor = [self quotedAuthorColor];
-    quotedAuthorLabel.lineBreakMode = NSLineBreakByTruncatingTail;
-    quotedAuthorLabel.numberOfLines = 1;
-    return quotedAuthorLabel;
+    self.quotedAuthorLabel.text = quotedAuthorText;
+    self.quotedAuthorLabel.font = self.quotedAuthorFont;
+    self.quotedAuthorLabel.textColor = [self quotedAuthorColor];
+    self.quotedAuthorLabel.lineBreakMode = NSLineBreakByTruncatingTail;
+    self.quotedAuthorLabel.numberOfLines = 1;
+
+    return self.quotedAuthorLabel;
 }
 
 #pragma mark - Measurement
@@ -362,7 +374,7 @@ NS_ASSUME_NONNULL_BEGIN
     {
         CGFloat maxQuotedAuthorWidth = maxWidth - result.width;
 
-        UILabel *quotedAuthorLabel = [self createQuotedAuthorLabel];
+        UILabel *quotedAuthorLabel = [self configureQuotedAuthorLabel];
 
         CGSize quotedAuthorSize
             = CGSizeCeil([quotedAuthorLabel sizeThatFits:CGSizeMake(maxQuotedAuthorWidth, CGFLOAT_MAX)]);
@@ -380,7 +392,7 @@ NS_ASSUME_NONNULL_BEGIN
         CGFloat maxQuotedTextWidth
             = (maxWidth - (result.width + self.quotedReplyStripeThickness + self.quotedReplyStripeHSpacing));
 
-        UILabel *quotedTextLabel = [self createQuotedTextLabel];
+        UILabel *quotedTextLabel = [self configureQuotedTextLabel];
 
         CGSize textSize = CGSizeCeil([quotedTextLabel sizeThatFits:CGSizeMake(maxQuotedTextWidth, CGFLOAT_MAX)]);
         textSize.width = MIN(textSize.width, maxQuotedTextWidth);

Signal/src/views/QuotedReplyPreview.swift

@@ -36,7 +36,6 @@ class QuotedReplyPreview: UIView {
 
     func updateContents() {
         subviews.forEach { $0.removeFromSuperview() }
-        self.quotedMessageView = OWSQuotedMessageView(forPreview: quotedReply)
 
         quotedMessageView.backgroundColor = .clear