Rename to media album.

Signal/src/ViewControllers/ColorPickerViewController.swift

@@ -429,7 +429,7 @@ private class MockConversationViewItem: NSObject, ConversationViewItem {
         return 2
     }
 
-    func firstValidGalleryAttachment() -> TSAttachmentStream? {
+    func firstValidAlbumAttachment() -> TSAttachmentStream? {
         owsFailDebug("unexpected invocation")
         return nil
     }

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

@@ -241,7 +241,7 @@ const UIDataDetectorTypes kOWSAllowedDataDetectorTypes
         case OWSMessageCellType_ContactShare:
             return NO;
         case OWSMessageCellType_MediaAlbum:
-            // Is there a gallery title?
+            // Is there an album title?
             return self.hasBodyText;
     }
 }
@@ -1414,9 +1414,9 @@ const UIDataDetectorTypes kOWSAllowedDataDetectorTypes
             OWSAssertDebug(self.viewItem.mediaAlbumItems.count > 0);
 
             // For now, use first valid attachment.
-            TSAttachmentStream *_Nullable attachmentStream = self.viewItem.firstValidGalleryAttachment;
+            TSAttachmentStream *_Nullable attachmentStream = self.viewItem.firstValidAlbumAttachment;
             if (!attachmentStream) {
-                OWSLogInfo(@"Ignoring tap on gallery without any valid attachments.");
+                OWSLogInfo(@"Ignoring tap on album without any valid attachments.");
                 return;
             }
 

Signal/src/ViewControllers/ConversationView/ConversationViewItem.h

@@ -144,7 +144,7 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType);
 // For other view views (like the typing indicator), this is a unique, stable string.
 - (NSString *)itemId;
 
-- (nullable TSAttachmentStream *)firstValidGalleryAttachment;
+- (nullable TSAttachmentStream *)firstValidAlbumAttachment;
 
 @end
 

Signal/src/ViewControllers/ConversationView/ConversationViewItem.m

@@ -409,7 +409,7 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType)
     }
 }
 
-- (nullable TSAttachmentStream *)firstValidGalleryAttachment
+- (nullable TSAttachmentStream *)firstValidAlbumAttachment
 {
     OWSAssertDebug(self.mediaAlbumItems.count > 0);
 
@@ -575,9 +575,9 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType)
         NSArray<ConversationMediaAlbumItem *> *mediaAlbumItems = [self mediaAlbumItemsForAttachments:attachments];
         self.mediaAlbumItems = mediaAlbumItems;
         self.messageCellType = OWSMessageCellType_MediaAlbum;
-        NSString *_Nullable galleryTitle = [message bodyTextWithTransaction:transaction];
+        NSString *_Nullable albumTitle = [message bodyTextWithTransaction:transaction];
-        if (galleryTitle) {
+        if (albumTitle) {
-            self.displayableBodyText = [self displayableBodyTextForText:galleryTitle interactionId:message.uniqueId];
+            self.displayableBodyText = [self displayableBodyTextForText:albumTitle interactionId:message.uniqueId];
         }
         return;
     }
@@ -899,7 +899,7 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType)
             break;
         }
         case OWSMessageCellType_MediaAlbum: {
-            OWSFailDebug(@"Can't copy media gallery");
+            OWSFailDebug(@"Can't copy media album");
             break;
         }
     }
@@ -952,7 +952,7 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType)
                 }
             }
             if (attachmentStreams.count < 1) {
-                OWSFailDebug(@"Can't share media gallery; no valid items.");
+                OWSFailDebug(@"Can't share media album; no valid items.");
                 return;
             }
             [AttachmentSharing showShareUIForAttachments:attachmentStreams completion:nil];
@@ -1126,7 +1126,7 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType)
         }
         case OWSMessageCellType_MediaAlbum:
             // TODO: I suspect we need separate "can save media", "can share media", etc. methods.
-            return self.firstValidGalleryAttachment != nil;
+            return self.firstValidAlbumAttachment != nil;
     }
 }