Rework and unify the system messages.

// FREEBIE

Signal/src/Models/OWSMessagesBubblesSizeCalculator.m

@@ -51,14 +51,9 @@ NS_ASSUME_NONNULL_BEGIN
                               atIndexPath:(NSIndexPath *)indexPath
                                withLayout:(JSQMessagesCollectionViewFlowLayout *)layout
 {
-    //    DDLogError(@"----- ?? %@",
-    //               [messageData class]);
-
     if ([messageData isKindOfClass:[TSMessageAdapter class]]) {
         TSMessageAdapter *message = (TSMessageAdapter *)messageData;
 
-        //        DDLogError(@"----- ???? %d", (int) message.messageType);
-
         switch (message.messageType) {
             case TSCallAdapter:
             case TSInfoMessageAdapter:
@@ -69,32 +64,9 @@ NS_ASSUME_NONNULL_BEGIN
             }
             case TSUnreadIndicatorAdapter: {
                 id cacheKey = [self cacheKeyForMessageData:messageData];
-
                 TSUnreadIndicatorInteraction *interaction
                     = (TSUnreadIndicatorInteraction *)((TSMessageAdapter *)messageData).interaction;
-
+                return [self sizeForUnreadIndicator:interaction cacheKey:cacheKey layout:layout];
-                NSValue *cachedSize = [self.cache objectForKey:cacheKey];
-                if (cachedSize != nil) {
-                    //                    DDLogError(@"----- cache hit[%@,%@], %@ %@",
-                    //                               [interaction class],
-                    //                               cacheKey,
-                    //                               NSStringFromCGSize([cachedSize CGSizeValue]),
-                    //                               interaction.description);
-                    return [cachedSize CGSizeValue];
-                }
-
-                CGSize result = [OWSUnreadIndicatorCell cellSizeForInteraction:interaction
-                                                           collectionViewWidth:layout.collectionView.width];
-
-                [self.cache setObject:[NSValue valueWithCGSize:result] forKey:cacheKey];
-
-                //                DDLogError(@"----- cache miss[%@,%@], %@ %@",
-                //                           [interaction class],
-                //                           cacheKey,
-                //                           NSStringFromCGSize(result),
-                //                           interaction.description);
-
-                return result;
             }
             default:
                 // TODO: we need to examine the other cases.
@@ -127,11 +99,6 @@ NS_ASSUME_NONNULL_BEGIN
 
     NSValue *cachedSize = [self.cache objectForKey:cacheKey];
     if (cachedSize != nil) {
-        //        DDLogError(@"----- cache hit[%@,%@], %@ %@",
-        //                   [interaction class],
-        //                   cacheKey,
-        //                   NSStringFromCGSize([cachedSize CGSizeValue]),
-        //                   interaction.description);
         return [cachedSize CGSizeValue];
     }
 
@@ -140,11 +107,25 @@ NS_ASSUME_NONNULL_BEGIN
 
     [self.cache setObject:[NSValue valueWithCGSize:result] forKey:cacheKey];
 
-    //    DDLogError(@"----- cache miss[%@,%@], %@ %@",
+    return result;
-    //               [interaction class],
+}
-    //               cacheKey,
+
-    //               NSStringFromCGSize(result),
+- (CGSize)sizeForUnreadIndicator:(TSUnreadIndicatorInteraction *)interaction
-    //               interaction.description);
+                        cacheKey:(id)cacheKey
+                          layout:(JSQMessagesCollectionViewFlowLayout *)layout
+{
+    OWSAssert(interaction);
+    OWSAssert(cacheKey);
+
+    NSValue *cachedSize = [self.cache objectForKey:cacheKey];
+    if (cachedSize != nil) {
+        return [cachedSize CGSizeValue];
+    }
+
+    CGSize result =
+        [OWSUnreadIndicatorCell cellSizeForInteraction:interaction collectionViewWidth:layout.collectionView.width];
+
+    [self.cache setObject:[NSValue valueWithCGSize:result] forKey:cacheKey];
 
     return result;
 }

Signal/src/views/OWSSystemMessageCell.m

@@ -15,13 +15,8 @@
 
 @interface OWSSystemMessageCell ()
 
-//@property (nonatomic) UIView *bannerView;
-//@property (nonatomic) UIView *bannerTopHighlightView;
-//@property (nonatomic) UIView *bannerBottomHighlightView1;
-//@property (nonatomic) UIView *bannerBottomHighlightView2;
 @property (nonatomic) UIImageView *imageView;
 @property (nonatomic) UILabel *titleLabel;
-//@property (nonatomic) UILabel *subtitleLabel;
 
 @end
 
@@ -39,22 +34,6 @@
     self.backgroundColor = [UIColor whiteColor];
 
     if (!self.titleLabel) {
-        //        self.bannerView = [UIView new];
-        //        self.bannerView.backgroundColor = [UIColor colorWithRGBHex:0xf6eee3];
-        //        [self.contentView addSubview:self.bannerView];
-        //
-        //        self.bannerTopHighlightView = [UIView new];
-        //        self.bannerTopHighlightView.backgroundColor = [UIColor colorWithRGBHex:0xf9f3eb];
-        //        [self.bannerView addSubview:self.bannerTopHighlightView];
-        //
-        //        self.bannerBottomHighlightView1 = [UIView new];
-        //        self.bannerBottomHighlightView1.backgroundColor = [UIColor colorWithRGBHex:0xd1c6b8];
-        //        [self.bannerView addSubview:self.bannerBottomHighlightView1];
-        //
-        //        self.bannerBottomHighlightView2 = [UIView new];
-        //        self.bannerBottomHighlightView2.backgroundColor = [UIColor colorWithRGBHex:0xdbcfc0];
-        //        [self.bannerView addSubview:self.bannerBottomHighlightView2];
-
         self.imageView = [UIImageView new];
         [self.contentView addSubview:self.imageView];
 
@@ -64,85 +43,63 @@
         self.titleLabel.numberOfLines = 0;
         self.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
         [self.contentView addSubview:self.titleLabel];
-
-        //        self.subtitleLabel = [UILabel new];
-        //        self.subtitleLabel.text = [OWSSystemMessageCell subtitleForInteraction:self.interaction];
-        //        self.subtitleLabel.textColor = [UIColor ows_infoMessageBorderColor];
-        //        self.subtitleLabel.font = [OWSSystemMessageCell subtitleFont];
-        //        self.subtitleLabel.numberOfLines = 0;
-        //        self.subtitleLabel.lineBreakMode = NSLineBreakByWordWrapping;
-        //        self.subtitleLabel.textAlignment = NSTextAlignmentCenter;
-        //        [self.contentView addSubview:self.subtitleLabel];
     }
-    //    [self.imageView addRedBorder];
-    //    [self addRedBorder];
 
-    UIColor *contentColor = [self colorForInteraction:self.interaction];
     UIImage *icon = [self iconForInteraction:self.interaction];
     self.imageView.image = [icon imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
-    //    self.imageView.tintColor = [UIColor colorWithRGBHex:0x505050];
+    self.imageView.tintColor = [self iconColorForInteraction:self.interaction];
-    self.imageView.tintColor = contentColor;
-    //    self.imageView.image = [OWSSystemMessageCell iconForInteraction:self.interaction];
     self.titleLabel.text = [OWSSystemMessageCell titleForInteraction:self.interaction];
-    self.titleLabel.textColor = contentColor;
+    self.titleLabel.textColor = [self textColorForInteraction:self.interaction];
-
-    //    DDLogError(@"----- %@ %@",
-    //               [self.interaction class],
-    //               self.interaction.description);
 
     [self setNeedsLayout];
-    //    [self addRedBorder];
 }
 
-- (UIColor *)colorForInteraction:(TSInteraction *)interaction
+- (UIColor *)textColorForInteraction:(TSInteraction *)interaction
 {
-    //    UIImage *result = nil;
+    return [UIColor colorWithRGBHex:0x303030];
+}
 
+- (UIColor *)iconColorForInteraction:(TSInteraction *)interaction
+{
+    // "Phone" and "Shield" icons have a lot of "ink" so they
+    // are less dark for balance.
     if ([interaction isKindOfClass:[TSErrorMessage class]]) {
         switch (((TSErrorMessage *)self.interaction).errorType) {
             case TSErrorMessageInvalidKeyException:
-                return [UIColor ows_yellowColor];
             case TSErrorMessageNonBlockingIdentityChange:
             case TSErrorMessageWrongTrustedIdentityKey:
             case TSErrorMessageMissingKeyId:
-                //                result = [UIImage imageNamed:@"system_message_security"];
+                return [UIColor colorWithRGBHex:0x404040];
                 break;
             case TSErrorMessageNoSession:
             case TSErrorMessageInvalidMessage:
             case TSErrorMessageDuplicateMessage:
             case TSErrorMessageInvalidVersion:
             case TSErrorMessageUnknownContactBlockOffer:
-                //                result = [UIImage imageNamed:@"system_message_warning"];
                 break;
         }
     } else if ([interaction isKindOfClass:[TSInfoMessage class]]) {
         switch (((TSInfoMessage *)self.interaction).messageType) {
             case TSInfoMessageUserNotRegistered:
-                //                result = [UIImage imageNamed:@"system_message_warning"];
                 break;
             case TSInfoMessageTypeSessionDidEnd:
             case TSInfoMessageTypeUnsupportedMessage:
             case TSInfoMessageAddToContactsOffer:
-                //                result = [UIImage imageNamed:@"system_message_info"];
                 break;
             case TSInfoMessageTypeGroupUpdate:
             case TSInfoMessageTypeGroupQuit:
-                // TODO:
-                //                result = [UIImage imageNamed:@"system_message_info"];
                 break;
             case TSInfoMessageTypeDisappearingMessagesUpdate:
-                //                result = [UIImage imageNamed:@"system_message_timer"];
                 break;
         }
     } else if ([interaction isKindOfClass:[TSCall class]]) {
-        // TODO:
+        return [UIColor colorWithRGBHex:0x404040];
-        //        result = [UIImage imageNamed:@"system_message_call"];
     } else {
         OWSFail(@"Unknown interaction type");
         return nil;
     }
-    //    return [UIColor ows_darkGrayColor];
+
-    return [UIColor colorWithRGBHex:0x505050];
+    return [UIColor colorWithRGBHex:0x303030];
 }
 
 - (UIImage *)iconForInteraction:(TSInteraction *)interaction
@@ -150,10 +107,6 @@
     UIImage *result = nil;
 
     if ([interaction isKindOfClass:[TSErrorMessage class]]) {
-        //        DDLogError(@"----- %@ %@: %d",
-        //                   [self.interaction class],
-        //                   self.interaction.description,
-        //                   (int) ((TSErrorMessage *) self.interaction).errorType);
         switch (((TSErrorMessage *)self.interaction).errorType) {
             case TSErrorMessageInvalidKeyException:
             case TSErrorMessageNonBlockingIdentityChange:
@@ -166,17 +119,13 @@
             case TSErrorMessageDuplicateMessage:
             case TSErrorMessageInvalidVersion:
             case TSErrorMessageUnknownContactBlockOffer:
-                result = [UIImage imageNamed:@"system_message_warning"];
+                result = [UIImage imageNamed:@"system_message_info"];
                 break;
         }
     } else if ([interaction isKindOfClass:[TSInfoMessage class]]) {
-        //        DDLogError(@"----- %@ %@: %d",
-        //                   [self.interaction class],
-        //                   self.interaction.description,
-        //                   (int) ((TSInfoMessage *) self.interaction).messageType);
         switch (((TSInfoMessage *)self.interaction).messageType) {
             case TSInfoMessageUserNotRegistered:
-                result = [UIImage imageNamed:@"system_message_warning"];
+                result = [UIImage imageNamed:@"system_message_info"];
                 break;
             case TSInfoMessageTypeSessionDidEnd:
             case TSInfoMessageTypeUnsupportedMessage:
@@ -192,7 +141,6 @@
                 break;
         }
     } else if ([interaction isKindOfClass:[TSCall class]]) {
-        // TODO:
         result = [UIImage imageNamed:@"system_message_call"];
     } else {
         OWSFail(@"Unknown interaction type");
@@ -200,37 +148,22 @@
     }
     OWSAssert(result);
     return result;
-    //    return NSLocalizedString(@"MESSAGES_VIEW_UNREAD_INDICATOR", @"Indicator that separates read from unread
-    //    messages.")
-    //        .uppercaseString;
 }
 
 + (NSString *)titleForInteraction:(TSInteraction *)interaction
 {
+    // TODO: Should we move the copy generation into this view?
+
     if ([interaction isKindOfClass:[TSErrorMessage class]]) {
-        // TODO: Should we move the copy generation into this view?
         return interaction.description;
     } else if ([interaction isKindOfClass:[TSInfoMessage class]]) {
-        // TODO: Should we move the copy generation into this view?
         return interaction.description;
     } else if ([interaction isKindOfClass:[TSCall class]]) {
-        //        switch (((TSCall *) self.interaction).callType) {
-        //            case <#constant#>:
-        //                <#statements#>
-        //                break;
-        //
-        //            default:
-        //                break;
-        //        }
-        // TODO: Should we move the copy generation into this view?
         return interaction.description;
     } else {
         OWSFail(@"Unknown interaction type");
         return nil;
     }
-    //    return NSLocalizedString(@"MESSAGES_VIEW_UNREAD_INDICATOR", @"Indicator that separates read from unread
-    //    messages.")
-    //        .uppercaseString;
 }
 
 + (UIFont *)titleFont