Improve handling of contact display names.

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

@@ -4,13 +4,11 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-@class OWSContactShare;
+@class OWSContact;
 
 @interface OWSContactShareView : UIView
 
-- (instancetype)initWithContactShare:(OWSContactShare *)contactShare
-                    contactShareName:(NSString *)contactShareName
-                          isIncoming:(BOOL)isIncoming;
+- (instancetype)initWithContactShare:(OWSContact *)contactShare isIncoming:(BOOL)isIncoming;
 
 - (void)createContents;
 

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

@@ -7,14 +7,13 @@
 #import "UIColor+OWS.h"
 #import "UIFont+OWS.h"
 #import "UIView+OWS.h"
-#import <SignalServiceKit/OWSContactShare.h>
+#import <SignalServiceKit/OWSContact.h>
 
 NS_ASSUME_NONNULL_BEGIN
 
 @interface OWSContactShareView ()
 
-@property (nonatomic) OWSContactShare *contactShare;
-@property (nonatomic) NSString *contactShareName;
+@property (nonatomic) OWSContact *contactShare;
 @property (nonatomic) BOOL isIncoming;
 
 @end
@@ -23,15 +22,12 @@ NS_ASSUME_NONNULL_BEGIN
 
 @implementation OWSContactShareView
 
-- (instancetype)initWithContactShare:(OWSContactShare *)contactShare
-                    contactShareName:(NSString *)contactShareName
-                          isIncoming:(BOOL)isIncoming
+- (instancetype)initWithContactShare:(OWSContact *)contactShare isIncoming:(BOOL)isIncoming
 {
     self = [super init];
 
     if (self) {
         _contactShare = contactShare;
-        _contactShareName = contactShareName;
         _isIncoming = isIncoming;
     }
 
@@ -123,7 +119,7 @@ NS_ASSUME_NONNULL_BEGIN
     [imageView autoCenterInSuperview];
 
     UILabel *topLabel = [UILabel new];
-    topLabel.text = self.contactShareName;
+    topLabel.text = self.contactShare.displayName;
     topLabel.textColor = [UIColor blackColor];
     topLabel.lineBreakMode = NSLineBreakByTruncatingTail;
     topLabel.font = [UIFont ows_dynamicTypeBodyFont];

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

@@ -796,11 +796,9 @@ NS_ASSUME_NONNULL_BEGIN
 - (UIView *)loadViewForShareContact
 {
     OWSAssert(self.viewItem.contactShare);
-    OWSAssert(self.viewItem.contactShareName.length > 0);
 
     OWSContactShareView *contactShareView =
         [[OWSContactShareView alloc] initWithContactShare:self.viewItem.contactShare
-                                         contactShareName:self.viewItem.contactShareName
                                                isIncoming:self.isIncoming];
     [contactShareView createContents];
     //    [self addAttachmentUploadViewIfNecessary:attachmentView];

Signal/src/ViewControllers/ConversationView/ConversationViewItem.h

@@ -27,7 +27,7 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType);
 @class ConversationViewCell;
 @class DisplayableText;
 @class OWSAudioMessageView;
-@class OWSContactShare;
+@class OWSContact;
 @class OWSQuotedReplyModel;
 @class TSAttachmentPointer;
 @class TSAttachmentStream;
@@ -103,8 +103,7 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType);
 // if a load has previously failed.
 @property (nonatomic) BOOL didCellMediaFailToLoad;
 
-- (nullable OWSContactShare *)contactShare;
-- (nullable NSString *)contactShareName;
+- (nullable OWSContact *)contactShare;
 
 #pragma mark - UIMenuController
 

Signal/src/ViewControllers/ConversationView/ConversationViewItem.m

@@ -11,7 +11,7 @@
 #import "Signal-Swift.h"
 #import <AssetsLibrary/AssetsLibrary.h>
 #import <SignalMessaging/NSString+OWS.h>
-#import <SignalServiceKit/OWSContactShare.h>
+#import <SignalServiceKit/OWSContact.h>
 #import <SignalServiceKit/TSInteraction.h>
 
 NS_ASSUME_NONNULL_BEGIN
@@ -65,8 +65,7 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType)
 @property (nonatomic, readonly, nullable) NSString *quotedRecipientId;
 @property (nonatomic, nullable) TSAttachmentStream *attachmentStream;
 @property (nonatomic, nullable) TSAttachmentPointer *attachmentPointer;
-@property (nonatomic, nullable) OWSContactShare *contactShare;
-@property (nonatomic, nullable) NSString *contactShareName;
+@property (nonatomic, nullable) OWSContact *contactShare;
 @property (nonatomic) CGSize mediaSize;
 
 @end
@@ -407,14 +406,9 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType)
 
     TSMessage *message = (TSMessage *)self.interaction;
     if (message.contactShare) {
-        // TODO: Format contact share name.
-        NSString *contactShareName = @"Alice";
-        if (contactShareName.length > 0) {
-            self.contactShare = message.contactShare;
-            self.contactShareName = contactShareName;
-            self.messageCellType = OWSMessageCellType_ShareContact;
-            return;
-        }
+        self.contactShare = message.contactShare;
+        self.messageCellType = OWSMessageCellType_ShareContact;
+        return;
     }
     TSAttachment *_Nullable attachment = [self firstAttachmentIfAnyOfMessage:message transaction:transaction];
     if (attachment) {

Signal/src/ViewControllers/DebugUI/DebugUIMessages.m

@@ -2942,6 +2942,7 @@ typedef OWSContact * (^OWSContactBlock)(void);
                                               contactBlock:^{
                                                   OWSContact *contact = [OWSContact new];
                                                   contact.givenName = @"Alice";
+                                                  contact.displayName = @"Alice";
                                                   OWSContactPhoneNumber *phoneNumber = [OWSContactPhoneNumber new];
                                                   phoneNumber.phoneType = OWSContactPhoneType_Home;
                                                   phoneNumber.phoneNumber = @"+13213214321";
@@ -2955,6 +2956,7 @@ typedef OWSContact * (^OWSContactBlock)(void);
                                               contactBlock:^{
                                                   OWSContact *contact = [OWSContact new];
                                                   contact.givenName = @"Bob";
+                                                  contact.displayName = @"Bob";
                                                   OWSContactEmail *email = [OWSContactEmail new];
                                                   email.emailType = OWSContactEmailType_Home;
                                                   email.email = @"a@b.com";

SignalServiceKit/src/Messages/Interactions/OWSContact.m

@@ -186,6 +186,28 @@ NS_ASSUME_NONNULL_BEGIN
     return hasValue;
 }
 
+- (nullable NSString *)displayName
+{
+    [self ensureDisplayName];
+
+    return _displayName;
+}
+
+- (void)ensureDisplayName
+{
+    if (_displayName.length < 1) {
+        CNContact *_Nullable systemContact = [OWSContacts systemContactForContact:self];
+        _displayName = [CNContactFormatter stringFromContact:systemContact style:CNContactFormatterStyleFullName];
+    }
+    if (_displayName.length < 1) {
+        // Fall back to using the organization name.
+        _displayName = self.organizationName;
+    }
+    if (_displayName.length < 1) {
+        DDLogError(@"%@ could not derive a valid display name.", self.logTag);
+    }
+}
+
 @end
 
 #pragma mark -
@@ -318,6 +340,8 @@ NS_ASSUME_NONNULL_BEGIN
     //    @property (readonly, copy, nullable, NS_NONATOMIC_IOSONLY) NSData *imageData;
     //    @property (readonly, copy, nullable, NS_NONATOMIC_IOSONLY) NSData *thumbnailImageData;
 
+    [contact ensureDisplayName];
+
     return contact;
 }
 
@@ -635,6 +659,8 @@ NS_ASSUME_NONNULL_BEGIN
 
     // TODO: Avatar
 
+    [contact ensureDisplayName];
+
     return contact;
 }