groups and calls have optional avatar; consumer must specify that it should be used and provide images in project of naming convention. otherwise no image will be used

JSQMessagesViewController/Controllers/JSQMessagesViewController.m

@@ -471,34 +471,43 @@ static void * kJSQMessagesKeyValueObservingContext = &kJSQMessagesKeyValueObserv
         cellIdentifier = self.callCellIndentifier;
         JSQCallCollectionViewCell * callCell = [collectionView dequeueReusableCellWithReuseIdentifier:cellIdentifier forIndexPath:indexPath];
         
-        NSString *text = [call text];
-        NSString *dateText = [call dateText];
-        NSString *allText = [text stringByAppendingString:dateText];
+        NSString *text =  call.date != nil ? [call text] : call.senderDisplayName;
+        NSString *allText = call.date != nil ? [text stringByAppendingString:[call dateText]] : text;
         const CGFloat fontSize = 14;
-        UIFont *boldFont = [UIFont boldSystemFontOfSize:fontSize];
-        UIFont *regularFont = [UIFont systemFontOfSize:fontSize];
+        UIFont *boldFont = [UIFont fontWithName:@"HelveticaNeue-Medium" size:12.0f];
+        UIFont *regularFont = [UIFont fontWithName:@"HelveticaNeue-Light" size:12.0f];
         UIColor *foregroundColor = [UIColor whiteColor];
         NSDictionary *attrs = [NSDictionary dictionaryWithObjectsAndKeys:
                                boldFont, NSFontAttributeName, nil];
-        NSDictionary *subAttrs = [NSDictionary dictionaryWithObjectsAndKeys:
+        
+        NSMutableAttributedString *attributedText = [[NSMutableAttributedString alloc] initWithString:allText
+                                                                                           attributes:attrs];
+        if([call date]!=nil) {
+            // Not a group meta message
+            NSDictionary *subAttrs = [NSDictionary dictionaryWithObjectsAndKeys:
                                   regularFont, NSFontAttributeName, nil];
-        const NSRange range = NSMakeRange([text length],[dateText length]);
-        NSMutableAttributedString *attributedText =
-        [[NSMutableAttributedString alloc] initWithString:allText
-                                               attributes:attrs];
-        [attributedText setAttributes:subAttrs range:range];
-        
-        callCell.cellLabel.attributedText = attributedText;
-        callCell.cellLabel.textColor = [UIColor colorWithRed:32.f/255.f green:144.f/255.f blue:234.f/255.f  alpha:1.f];
-        
-        BOOL isOutgoing = [self.senderId isEqualToString:call.senderId];
-        if (isOutgoing)
-        {
-            callCell.outgoingCallImageView.image = [call thumbnailImage];
-        } else {
+            const NSRange range = NSMakeRange([text length],[[call dateText] length]);
+         
+            [attributedText setAttributes:subAttrs range:range];
+            BOOL isOutgoing = [self.senderId isEqualToString:call.senderId];
+            if (isOutgoing)
+            {
+                callCell.outgoingCallImageView.image = [call thumbnailImage];
+            } else {
+                callCell.incomingCallImageView.image = [call thumbnailImage];
+            }
+        }
+        else {
+            // A group meta message
             callCell.incomingCallImageView.image = [call thumbnailImage];
         }
         
+        callCell.cellLabel.attributedText = attributedText;
+        callCell.cellLabel.lineBreakMode = UILineBreakModeWordWrap;
+        callCell.cellLabel.numberOfLines = 0; // uses as many lines as it needs
+        callCell.cellLabel.textColor = [UIColor colorWithRed:32.f/255.f green:144.f/255.f blue:234.f/255.f  alpha:1.f];
+        
+        
         callCell.layer.shouldRasterize = YES;
         callCell.layer.rasterizationScale = [UIScreen mainScreen].scale;
         return callCell;

JSQMessagesViewController/Model/JSQCall.h

@@ -13,9 +13,13 @@ typedef enum : NSUInteger {
     kCallOutgoing = 1,
     kCallIncoming = 2,
     kCallMissed   = 3,
+    kGroupUpdateJoin = 4,
+    kGroupUpdateLeft = 5,
+    kGroupUpdate = 6
 } CallStatus;
 
 
+
 @interface JSQCall : NSObject <JSQMessageData, NSCoding, NSCopying>
 
 /*
@@ -45,6 +49,11 @@ typedef enum : NSUInteger {
  */
 @property (nonatomic) TSMessageAdapterType messageType;
 
+/*
+ * User can configure whether a thumbnail is used in the display of this cell or not
+ */
+@property (nonatomic) BOOL useThumbnail;
+
 
 #pragma mark - Initialization 
 

JSQMessagesViewController/Model/JSQCall.m

@@ -21,7 +21,6 @@
 {
     NSParameterAssert(senderId != nil);
     NSParameterAssert(senderDisplayName != nil);
-    NSParameterAssert(date != nil);
     
     self = [super init];
     if (self) {
@@ -74,11 +73,35 @@
     return [dateFormatter stringFromDate:_date];
 }
 
--(UIImage*)thumbnailImage
-{
-    return nil;
+-(UIImage*)thumbnailImage {
+    // This relies on those assets being in the project
+    if(!_useThumbnail) {
+        return nil;
+    }
+    switch (_status) {
+        case kCallOutgoing:
+            return [UIImage imageNamed:@"statCallOutgoing--blue"];
+            break;
+        case kCallIncoming:
+        case kCallMissed:
+            return [UIImage imageNamed:@"statCallIncoming--blue"];
+            break;
+        case kGroupUpdate:
+            return [UIImage imageNamed:@"statRefreshedGroup--blue"];
+            break;
+        case kGroupUpdateLeft:
+            return [UIImage imageNamed:@"statLeftGroup--blue"];
+            break;
+        case kGroupUpdateJoin:
+            return [UIImage imageNamed:@"statJoinedGroup--blue"];
+            break;
+        default:
+            return nil;
+            break;
+    }
 }
 
+
 #pragma mark - NSObject
 
 -(BOOL)isEqual:(id)object

JSQMessagesViewController/Views/JSQCallCollectionViewCell.h

@@ -9,8 +9,8 @@
 
 #import "JSQMessagesLabel.h"
 
-#define kCallCellHeight 20.0f
-#define kCallCellWidth 200.0f
+#define kCallCellHeight 40.0f
+#define kCallCellWidth 400.0f
 
 @interface JSQCallCollectionViewCell : UICollectionViewCell