Build higher res avatar for call screen

Initials avatar looks blurry on call screen

// FREEBIE

Signal/src/Models/OWSAvatarBuilder.h

@@ -1,5 +1,6 @@
-//  Created by Michael Kirk on 9/26/16.
-//  Copyright © 2016 Open Whisper Systems. All rights reserved.
+//
+//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//
 
 NS_ASSUME_NONNULL_BEGIN
 
@@ -10,6 +11,7 @@ NS_ASSUME_NONNULL_BEGIN
 @interface OWSAvatarBuilder : NSObject
 
 + (UIImage *)buildImageForThread:(TSThread *)thread contactsManager:(OWSContactsManager *)contactsManager;
++ (UIImage *)buildImageForThread:(TSThread *)thread contactsManager:(OWSContactsManager *)contactsManager diameter:(CGFloat)diameter;
 
 - (nullable UIImage *)buildSavedImage;
 - (UIImage *)buildDefaultImage;

Signal/src/Models/OWSAvatarBuilder.m

@@ -1,5 +1,6 @@
-//  Created by Michael Kirk on 9/26/16.
-//  Copyright © 2016 Open Whisper Systems. All rights reserved.
+//
+//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//
 
 #import "OWSAvatarBuilder.h"
 #import "OWSContactAvatarBuilder.h"
@@ -12,11 +13,16 @@ NS_ASSUME_NONNULL_BEGIN
 @implementation OWSAvatarBuilder
 
 + (UIImage *)buildImageForThread:(TSThread *)thread contactsManager:(OWSContactsManager *)contactsManager
+{
+    const CGFloat kDefaultAvatarDiameter = 100;
+    return [self buildImageForThread:thread contactsManager:contactsManager diameter:kDefaultAvatarDiameter];
+}
+
++ (UIImage *)buildImageForThread:(TSThread *)thread contactsManager:(OWSContactsManager *)contactsManager diameter:(CGFloat)diameter
 {
     OWSAvatarBuilder *avatarBuilder;
     if ([thread isKindOfClass:[TSContactThread class]]) {
-        avatarBuilder =
-            [[OWSContactAvatarBuilder alloc] initWithThread:(TSContactThread *)thread contactsManager:contactsManager];
+        avatarBuilder = [[OWSContactAvatarBuilder alloc] initWithThread:(TSContactThread *)thread contactsManager:contactsManager diameter:diameter];
     } else if ([thread isKindOfClass:[TSGroupThread class]]) {
         avatarBuilder = [[OWSGroupAvatarBuilder alloc] initWithThread:(TSGroupThread *)thread];
     } else {

Signal/src/Models/OWSContactAvatarBuilder.h

@@ -1,5 +1,6 @@
-//  Created by Michael Kirk on 9/22/16.
-//  Copyright © 2016 Open Whisper Systems. All rights reserved.
+//
+//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//
 
 #import "OWSAvatarBuilder.h"
 
@@ -14,6 +15,15 @@ NS_ASSUME_NONNULL_BEGIN
                              name:(NSString *)name
                   contactsManager:(OWSContactsManager *)contactsManager;
 
+- (instancetype)initWithContactId:(NSString *)contactId
+                             name:(NSString *)name
+                  contactsManager:(OWSContactsManager *)contactsManager
+                         diameter:(NSUInteger)diameter;
+
+- (instancetype)initWithThread:(TSContactThread *)thread
+               contactsManager:(OWSContactsManager *)contactsManager
+                      diameter:(NSUInteger)diameter;
+
 - (instancetype)initWithThread:(TSContactThread *)thread contactsManager:(OWSContactsManager *)contactsManager;
 
 @end

Signal/src/Models/OWSContactAvatarBuilder.m

@@ -1,5 +1,6 @@
-//  Created by Michael Kirk on 9/22/16.
-//  Copyright © 2016 Open Whisper Systems. All rights reserved.
+//
+//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//
 
 #import "OWSContactAvatarBuilder.h"
 #import "OWSContactsManager.h"
@@ -17,6 +18,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, readonly) OWSContactsManager *contactsManager;
 @property (nonatomic, readonly) NSString *signalId;
 @property (nonatomic, readonly) NSString *contactName;
+@property (nonatomic, readonly) NSUInteger diameter;
 
 @end
 
@@ -25,23 +27,32 @@ NS_ASSUME_NONNULL_BEGIN
 - (instancetype)initWithContactId:(NSString *)contactId
                              name:(NSString *)name
                   contactsManager:(OWSContactsManager *)contactsManager
+{
+    const CGFloat kDefaultAvatarDiamater = 100;
+    return [self initWithContactId:contactId name:name contactsManager:contactsManager diameter:kDefaultAvatarDiamater];
+}
+
+- (instancetype)initWithContactId:(NSString *)contactId
+                             name:(NSString *)name
+                  contactsManager:(OWSContactsManager *)contactsManager
+                         diameter:(NSUInteger)diameter
 {
     self = [super init];
     if (!self) {
         return self;
     }
-
+    
     _signalId = contactId;
     _contactName = name;
     _contactsManager = contactsManager;
-
+    _diameter = diameter;
+    
     return self;
 }
 
-
-- (instancetype)initWithThread:(TSContactThread *)thread contactsManager:(OWSContactsManager *)contactsManager
+- (instancetype)initWithThread:(TSContactThread *)thread contactsManager:(OWSContactsManager *)contactsManager diameter:(CGFloat)diameter
 {
-    return [self initWithContactId:thread.contactIdentifier name:thread.name contactsManager:contactsManager];
+    return [self initWithContactId:thread.contactIdentifier name:thread.name contactsManager:contactsManager diameter:diameter];
 }
 
 - (nullable UIImage *)buildSavedImage
@@ -51,7 +62,8 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (UIImage *)buildDefaultImage
 {
-    UIImage *cachedAvatar = [self.contactsManager.avatarCache objectForKey:self.signalId];
+    NSString *cacheKey = [NSString stringWithFormat:@"signalId:%@:diamater:%lu", self.signalId, (unsigned long)self.diameter];
+    UIImage *cachedAvatar = [self.contactsManager.avatarCache objectForKey:cacheKey];
     if (cachedAvatar) {
         return cachedAvatar;
     }
@@ -82,12 +94,13 @@ NS_ASSUME_NONNULL_BEGIN
         [initials appendString:@"#"];
     }
     
+    CGFloat fontSize = (CGFloat)self.diameter / 2.8;
     UIColor *backgroundColor = [UIColor backgroundColorForContact:self.signalId];
     UIImage *image = [[JSQMessagesAvatarImageFactory avatarImageWithUserInitials:initials
                                                                  backgroundColor:backgroundColor
                                                                        textColor:[UIColor whiteColor]
-                                                                            font:[UIFont ows_boldFontWithSize:36.0]
-                                                                        diameter:100] avatarImage];
+                                                                            font:[UIFont ows_boldFontWithSize:fontSize]
+                                                                        diameter:self.diameter] avatarImage];
     [self.contactsManager.avatarCache setObject:image forKey:self.signalId];
     return image;
 }

Signal/src/ViewControllers/CallViewController.swift

@@ -147,7 +147,7 @@ class CallViewController: UIViewController, CallObserver, CallServiceObserver, R
         createViews()
 
         contactNameLabel.text = contactsManager.displayName(forPhoneIdentifier: thread.contactIdentifier())
-        contactAvatarView.image = OWSAvatarBuilder.buildImage(for: thread, contactsManager: contactsManager)
+        contactAvatarView.image = OWSAvatarBuilder.buildImage(for: thread, contactsManager: contactsManager, diameter:400)
 
         assert(call != nil)
         // Subscribe for future call updates