Performance updates & smarter layout (2 lines)

- Adding support for ContactsUI when adding contacts on iOS 9.
- Multiple performance updates by liberating the main thread and
reusing tableview cells.

Signal.xcodeproj/project.pbxproj

@@ -394,6 +394,8 @@
 		B6B096931A1D25ED008BFAA6 /* NSData+messagePadding.m in Sources */ = {isa = PBXBuildFile; fileRef = B6B0965C1A1D25ED008BFAA6 /* NSData+messagePadding.m */; };
 		B6B096951A1D25ED008BFAA6 /* NSURLSessionDataTask+StatusCode.m in Sources */ = {isa = PBXBuildFile; fileRef = B6B096601A1D25ED008BFAA6 /* NSURLSessionDataTask+StatusCode.m */; };
 		B6B1013C196D213F007E3930 /* SignalKeyingStorage.m in Sources */ = {isa = PBXBuildFile; fileRef = B6B1013B196D213F007E3930 /* SignalKeyingStorage.m */; };
+		B6B226971BE4B7D200860F4D /* ContactsUI.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B6B226961BE4B7D200860F4D /* ContactsUI.framework */; };
+		B6B2269A1BE4C59200860F4D /* APNavigationController.m in Sources */ = {isa = PBXBuildFile; fileRef = B6B226991BE4C59200860F4D /* APNavigationController.m */; };
 		B6B50AAB1A4192C500F8F607 /* TSMessagesManager+attachments.m in Sources */ = {isa = PBXBuildFile; fileRef = B6B50AAA1A4192C500F8F607 /* TSMessagesManager+attachments.m */; };
 		B6B9ECFC198B31BA00C620D3 /* PushManager.m in Sources */ = {isa = PBXBuildFile; fileRef = B6B9ECFB198B31BA00C620D3 /* PushManager.m */; };
 		B6BADBE41B88CB940086A80D /* TSUpdateAttributesRequest.m in Sources */ = {isa = PBXBuildFile; fileRef = B6BADBE31B88CB940086A80D /* TSUpdateAttributesRequest.m */; };
@@ -1062,6 +1064,9 @@
 		B6B096601A1D25ED008BFAA6 /* NSURLSessionDataTask+StatusCode.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NSURLSessionDataTask+StatusCode.m"; sourceTree = "<group>"; };
 		B6B1013A196D213F007E3930 /* SignalKeyingStorage.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SignalKeyingStorage.h; sourceTree = "<group>"; };
 		B6B1013B196D213F007E3930 /* SignalKeyingStorage.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SignalKeyingStorage.m; sourceTree = "<group>"; };
+		B6B226961BE4B7D200860F4D /* ContactsUI.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = ContactsUI.framework; path = System/Library/Frameworks/ContactsUI.framework; sourceTree = SDKROOT; };
+		B6B226981BE4C59200860F4D /* APNavigationController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = APNavigationController.h; sourceTree = "<group>"; };
+		B6B226991BE4C59200860F4D /* APNavigationController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = APNavigationController.m; sourceTree = "<group>"; };
 		B6B50AA91A4192C500F8F607 /* TSMessagesManager+attachments.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "TSMessagesManager+attachments.h"; sourceTree = "<group>"; };
 		B6B50AAA1A4192C500F8F607 /* TSMessagesManager+attachments.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "TSMessagesManager+attachments.m"; sourceTree = "<group>"; };
 		B6B9ECFA198B31BA00C620D3 /* PushManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PushManager.h; sourceTree = "<group>"; };
@@ -1227,6 +1232,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				B6B226971BE4B7D200860F4D /* ContactsUI.framework in Frameworks */,
 				B6FE7EB71ADD62FA00A6D22F /* PushKit.framework in Frameworks */,
 				FC3BD9881A30A790005B96BB /* Social.framework in Frameworks */,
 				FCB11D8C1A129A76002F93FB /* CoreMedia.framework in Frameworks */,
@@ -1853,6 +1859,8 @@
 		76EB04FE18170B33006006FC /* view controllers */ = {
 			isa = PBXGroup;
 			children = (
+				B6B226981BE4C59200860F4D /* APNavigationController.h */,
+				B6B226991BE4C59200860F4D /* APNavigationController.m */,
 				B6BADBE51B88D1AC0086A80D /* LockInteractionController.h */,
 				B6BADBE61B88D1AC0086A80D /* LockInteractionController.m */,
 				FCFD25791A1543D500F4C644 /* Signup */,
@@ -2449,6 +2457,7 @@
 		D221A08C169C9E5E00537ABF /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				B6B226961BE4B7D200860F4D /* ContactsUI.framework */,
 				B6FE7EB61ADD62FA00A6D22F /* PushKit.framework */,
 				FC3BD9871A30A790005B96BB /* Social.framework */,
 				B60EDE031A05A01700D73516 /* AudioToolbox.framework */,
@@ -3174,6 +3183,7 @@
 				B6B1013C196D213F007E3930 /* SignalKeyingStorage.m in Sources */,
 				76EB059218170B33006006FC /* UnrecognizedRequestFailure.m in Sources */,
 				76EB05F818170B33006006FC /* CallConnectUtil_Initiator.m in Sources */,
+				B6B2269A1BE4C59200860F4D /* APNavigationController.m in Sources */,
 				B6B096761A1D25ED008BFAA6 /* TSServerMessage.m in Sources */,
 				B63761E319E1F487005735D1 /* AFHTTPSessionManager+SignalMethods.m in Sources */,
 				76EB05CC18170B33006006FC /* ShortAuthenticationStringGenerator.m in Sources */,

Signal/src/Storyboard/Storyboard.storyboard

@@ -4,6 +4,7 @@
         <deployment identifier="iOS"/>
         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9049"/>
         <capability name="Constraints to layout margins" minToolsVersion="6.0"/>
+        <capability name="Segues with Peek and Pop" minToolsVersion="7.1"/>
     </dependencies>
     <scenes>
         <!--Conversations-->
@@ -40,22 +41,25 @@
                                     <constraint firstAttribute="centerY" secondItem="Srx-i1-WhD" secondAttribute="centerY" constant="95" id="XST-YY-qXT"/>
                                 </constraints>
                             </view>
-                            <tableView hidden="YES" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" showsHorizontalScrollIndicator="NO" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" translatesAutoresizingMaskIntoConstraints="NO" id="PaA-ol-uQT">
+                            <tableView hidden="YES" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" showsHorizontalScrollIndicator="NO" dataMode="prototypes" style="plain" separatorStyle="default" allowsSelectionDuringEditing="YES" rowHeight="44" sectionHeaderHeight="28" sectionFooterHeight="28" translatesAutoresizingMaskIntoConstraints="NO" id="PaA-ol-uQT">
                                 <rect key="frame" x="0.0" y="64" width="330" height="504"/>
                                 <animations/>
-                                <color key="backgroundColor" red="0.94901960780000005" green="0.94901960780000005" blue="0.94901960780000005" alpha="1" colorSpace="calibratedRGB"/>
+                                <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                                 <prototypes>
-                                    <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" hidesAccessoryWhenEditing="NO" indentationLevel="1" indentationWidth="0.0" reuseIdentifier="showCell" id="bnD-Ld-pC4">
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" reuseIdentifier="cells" id="Ao0-kZ-6Fk">
-                                        <rect key="frame" x="0.0" y="22" width="330" height="44"/>
+                                        <rect key="frame" x="0.0" y="28" width="330" height="44"/>
                                         <autoresizingMask key="autoresizingMask"/>
-                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="bnD-Ld-pC4" id="9EM-iT-Acg">
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="Ao0-kZ-6Fk" id="Kzg-Il-hgK">
                                             <rect key="frame" x="0.0" y="0.0" width="297" height="43"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <animations/>
                                         </tableViewCellContentView>
                                         <animations/>
                                         <connections>
-                                            <segue destination="DtA-8O-wrT" kind="push" identifier="showSegue" id="06M-BZ-tnn"/>
+                                            <segue destination="DtA-8O-wrT" kind="push" identifier="showSegue" id="ANb-Oa-vQe">
+                                                <segue key="commit" inheritsFrom="parent" id="3Aj-hB-zgq"/>
+                                                <segue key="preview" inheritsFrom="commit" id="ktS-lA-hcf"/>
+                                            </segue>
                                         </connections>
                                     </tableViewCell>
                                 </prototypes>
@@ -2040,8 +2044,9 @@ A0 09 9A FF A8 8A 09 99</string>
         <image name="speaker-inactive" width="80" height="80"/>
     </resources>
     <inferredMetricsTieBreakers>
+        <segue reference="ANb-Oa-vQe"/>
         <segue reference="DR8-fx-0PD"/>
-        <segue reference="D0d-4f-lcI"/>
         <segue reference="xo7-5J-BJb"/>
+        <segue reference="D0d-4f-lcI"/>
     </inferredMetricsTieBreakers>
 </document>

Signal/src/textsecure/Messages/TSMessagesManager.h

@@ -32,5 +32,6 @@
 
 - (NSUInteger)unreadMessagesCount;
 - (NSUInteger)unreadMessagesCountExcept:(TSThread*)thread;
+- (NSUInteger)unreadMessagesInThread:(TSThread*)thread;
 
 @end

Signal/src/textsecure/Messages/TSMessagesManager.m

@@ -407,6 +407,14 @@
     return numberOfItems;
 }
 
+- (NSUInteger)unreadMessagesInThread:(TSThread*)thread {
+    __block NSUInteger numberOfItems;
+    [self.dbConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
+        numberOfItems = [[transaction ext:TSUnreadDatabaseViewExtensionName] numberOfItemsInGroup:thread.uniqueId];
+    }];
+    return numberOfItems;
+}
+
 - (void)notifyUserForCall:(TSCall*)call inThread:(TSThread*)thread {
     if ([UIApplication sharedApplication].applicationState != UIApplicationStateActive){
         // Remove previous notification of call and show missed notification.

Signal/src/view controllers/APNavigationController.m

@@ -60,9 +60,9 @@
         frame.origin.y = CGRectGetMaxY(self.navigationBar.frame);
         self.dropDownToolbar.frame = frame;
         [UIView animateWithDuration:0.25 animations:^{
-            CGRect frame = self.dropDownToolbar.frame;
+            CGRect finalframe = self.dropDownToolbar.frame;
-            frame.origin.y = 0.;
+            finalframe.origin.y = 0.;
-            weakSelf.dropDownToolbar.frame = frame;
+            weakSelf.dropDownToolbar.frame = finalframe;
         } completion:^(BOOL finished) {
             weakSelf.isDropDownVisible = !weakSelf.isDropDownVisible;
             weakSelf.dropDownToolbar.hidden = YES;
@@ -86,9 +86,9 @@
         self.dropDownToolbar.hidden = NO;
         self.dropDownToolbar.frame = frame;
         [UIView animateWithDuration:0.25 animations:^{
-            CGRect frame = self.dropDownToolbar.frame;
+            CGRect finalframe = self.dropDownToolbar.frame;
-            frame.origin.y = CGRectGetMaxY(self.navigationBar.frame);
+            finalframe.origin.y = CGRectGetMaxY(self.navigationBar.frame);
-            weakSelf.dropDownToolbar.frame = frame;
+            weakSelf.dropDownToolbar.frame = finalframe;
         } completion:^(BOOL finished) {
             weakSelf.isDropDownVisible = !weakSelf.isDropDownVisible;
         }];

Signal/src/view controllers/InboxTableViewCell.h

@@ -34,7 +34,9 @@ typedef enum : NSUInteger {
 
 @property (nonatomic, strong) IBOutlet UIView *archiveView;
 @property (nonatomic, strong) IBOutlet UIImageView *archiveImageView;
+@property (nonatomic, retain) IBOutlet UIView *messageCounter;
 @property (nonatomic, assign) id<TableViewCellDelegate> delegate;
+@property (nonatomic, retain) NSString *threadId;
 
 + (instancetype)inboxTableViewCell;
 - (void)configureWithThread:(TSThread*)thread;

Signal/src/view controllers/InboxTableViewCell.m

@@ -14,12 +14,22 @@
 #import "TSGroupThread.h"
 #import "TSContactThread.h"
 #import "JSQMessagesAvatarImageFactory.h"
+#import "TSMessagesManager.h"
+
 #define ARCHIVE_IMAGE_VIEW_WIDTH 22.0f
 #define DELETE_IMAGE_VIEW_WIDTH 19.0f
 #define TIME_LABEL_SIZE 11
 #define DATE_LABEL_SIZE 13
 #define SWIPE_ARCHIVE_OFFSET -50
 
+@interface InboxTableViewCell ()
+
+@property NSUInteger unreadMessages;
+@property UIView     *messagesBadge;
+@property UILabel    *unreadLabel;
+
+@end
+
 @implementation InboxTableViewCell
 
 + (instancetype)inboxTableViewCell {
@@ -37,6 +47,8 @@
     
     _scrollView.contentOffset = CGPointMake(CGRectGetWidth(_archiveView.frame), 0);
     _archiveImageView.image   = [_archiveImageView.image imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
+    
+    self.selectionStyle = UITableViewCellSelectionStyleDefault;
 }
 
 - (NSString *)reuseIdentifier {
@@ -44,47 +56,71 @@
 }
 
 -(void)configureWithThread:(TSThread*)thread {
-    _nameLabel.text           = thread.name;
+    if (!_threadId || ![_threadId isEqualToString:thread.uniqueId]) {
-    _snippetLabel.text        = thread.lastMessageLabel;
+        self.hidden = YES;
-    _timeLabel.attributedText = [self dateAttributedString:thread.lastMessageDate];
-    if([thread isKindOfClass:[TSGroupThread class]]) {
-        _contactPictureView.image = ((TSGroupThread*)thread).groupModel.groupImage!=nil ? ((TSGroupThread*)thread).groupModel.groupImage : [UIImage imageNamed:@"empty-group-avatar"];
-        if([_nameLabel.text length]==0) {
-            _nameLabel.text = NSLocalizedString(@"NEW_GROUP_DEFAULT_TITLE", @"");
-        }
-        if(_contactPictureView.image!=nil) {
-            [UIUtil applyRoundedBorderToImageView:&_contactPictureView];
-        }
     }
-    else {
+    
-        NSMutableString *initials = [NSMutableString string];
+    NSString *name = thread.name;
-        
+    _threadId = thread.uniqueId;
-        if([thread.name length]>0) {
+    NSString *snippetLabel = thread.lastMessageLabel;
-            NSArray *words = [thread.name componentsSeparatedByCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
+    NSAttributedString *attributedDate = [self dateAttributedString:thread.lastMessageDate];
-            for (NSString * word in words) {
+    NSUInteger unreadCount = [[TSMessagesManager sharedManager] unreadMessagesInThread:thread];
-                if ([word length] > 0) {
+    
-                    NSString *firstLetter = [word substringToIndex:1];
+    dispatch_async(dispatch_get_main_queue(), ^{
-                    [initials appendString:[firstLetter uppercaseString]];
+        _nameLabel.text           = name;
-                }
+        _snippetLabel.text        = snippetLabel;
+        _timeLabel.attributedText = attributedDate;
+        
+        if([thread isKindOfClass:[TSGroupThread class]]) {
+            _contactPictureView.image = ((TSGroupThread*)thread).groupModel.groupImage!=nil ? ((TSGroupThread*)thread).groupModel.groupImage : [UIImage imageNamed:@"empty-group-avatar"];
+            if([_nameLabel.text length]==0) {
+                _nameLabel.text = NSLocalizedString(@"NEW_GROUP_DEFAULT_TITLE", @"");
+            }
+            if(_contactPictureView.image!=nil) {
+                dispatch_async(dispatch_get_main_queue(), ^{
+                    [UIUtil applyRoundedBorderToImageView:&_contactPictureView];
+                });
             }
         }
+        else {
+            NSMutableString *initials = [NSMutableString string];
+            
+            if([name length]>0) {
+                NSArray *words = [name componentsSeparatedByCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
+                for (NSString * word in words) {
+                    if ([word length] > 0) {
+                        NSString *firstLetter = [word substringToIndex:1];
+                        [initials appendString:[firstLetter uppercaseString]];
+                    }
+                }
+            }
+            
+            NSRange stringRange = {0, MIN([initials length], (NSUInteger)3)}; //Rendering max 3 letters.
+            initials = [[initials substringWithRange:stringRange] mutableCopy];
             
-        NSRange stringRange = {0, MIN([initials length], (NSUInteger)3)}; //Rendering max 3 letters.
+            UIColor *backgroundColor = thread.isGroupThread ? [UIColor whiteColor] : [UIColor backgroundColorForContact:((TSContactThread*)thread).contactIdentifier];
-        initials = [[initials substringWithRange:stringRange] mutableCopy];
+            dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+                UIImage* image = [[JSQMessagesAvatarImageFactory avatarImageWithUserInitials:initials backgroundColor:backgroundColor textColor:[UIColor whiteColor] font:[UIFont ows_boldFontWithSize:36.0] diameter:100] avatarImage];
+                dispatch_async(dispatch_get_main_queue(), ^{
+                    _contactPictureView.image = thread.image!=nil ? thread.image : image;
                     
-        UIColor *backgroundColor = thread.isGroupThread ? [UIColor whiteColor] : [UIColor backgroundColorForContact:((TSContactThread*)thread).contactIdentifier];
+                    if(thread.image!=nil) {
-        UIImage* image = [[JSQMessagesAvatarImageFactory avatarImageWithUserInitials:initials backgroundColor:backgroundColor textColor:[UIColor whiteColor] font:[UIFont ows_boldFontWithSize:36.0] diameter:100] avatarImage];
+                        [UIUtil applyRoundedBorderToImageView:&_contactPictureView];
-        _contactPictureView.image = thread.image!=nil ? thread.image : image;
+                    }
-        if(thread.image!=nil) {
+                });
-            [UIUtil applyRoundedBorderToImageView:&_contactPictureView];
+            });
         }
-    }
         
-    self.separatorInset = UIEdgeInsetsMake(0,_contactPictureView.frame.size.width*1.5f, 0, 0);
+        self.separatorInset = UIEdgeInsetsMake(0,_contactPictureView.frame.size.width*1.5f, 0, 0);
         
-    if (thread.hasUnreadMessages) {
+        if (thread.hasUnreadMessages) {
-        [self updateCellForUnreadMessage];
+            [self updateCellForUnreadMessage];
-    }
+        } else {
+            [self updateCellForReadMessage];
+        }
+        [self setUnreadMsgCount:unreadCount];
+        self.hidden = NO;
+    });
 }
 
 -(void)configureForState:(CellState)state
@@ -104,14 +140,18 @@
 -(void)updateCellForUnreadMessage
 {
     _nameLabel.font         = [UIFont ows_boldFontWithSize:14.0f];
+    _nameLabel.textColor    = [UIColor ows_blackColor];
+    _snippetLabel.font      = [UIFont ows_mediumFontWithSize:12];
     _snippetLabel.textColor = [UIColor ows_blackColor];
     _timeLabel.textColor    = [UIColor ows_materialBlueColor];
 }
 
 -(void)updateCellForReadMessage
 {
-    _nameLabel.font         = [UIFont ows_regularFontWithSize:14.0f];
+    _nameLabel.font         = [UIFont ows_boldFontWithSize:14.0f];
+    _nameLabel.textColor    = [UIColor ows_blackColor];
     _snippetLabel.textColor = [UIColor lightGrayColor];
+    _timeLabel.textColor    = [UIColor ows_darkGrayColor];
 }
 
 #pragma mark - Date formatting
@@ -165,6 +205,53 @@
     }
 }
 
+- (void)setUnreadMsgCount:(NSUInteger)unreadMessages {
+    if (_unreadMessages != unreadMessages) {
+        _unreadMessages = unreadMessages;
+        
+        if (_unreadMessages > 0) {
+            if (_messagesBadge == nil) {
+                static UIImage *backgroundImage = nil;
+                static dispatch_once_t onceToken;
+                dispatch_once(&onceToken, ^
+                              {
+                                  UIGraphicsBeginImageContextWithOptions(CGSizeMake(25.0f, 25.0f), false, 0.0f);
+                                  CGContextRef context = UIGraphicsGetCurrentContext();
+                                  CGContextSetFillColorWithColor(context, [UIColor ows_materialBlueColor].CGColor);
+                                  CGContextFillEllipseInRect(context, CGRectMake(0.0f, 0.0f, 25.0f, 25.0f));
+                                  backgroundImage = [UIGraphicsGetImageFromCurrentImageContext() stretchableImageWithLeftCapWidth:8 topCapHeight:8];
+                                  UIGraphicsEndImageContext();
+                              });
+                
+                _messagesBadge = [[UIImageView alloc] initWithFrame:CGRectMake(0.0f, 0.0f,
+                                                                               _messageCounter.frame.size
+                                                                               .height,
+                                                                               _messageCounter.frame.size.width)];
+                _messagesBadge.userInteractionEnabled = NO;
+                _messagesBadge.layer.zPosition        = 2000;
+                
+                UIImageView *unreadBackground = [[UIImageView alloc] initWithImage:backgroundImage];
+                [_messageCounter addSubview:unreadBackground];
+                
+                _unreadLabel                 = [[UILabel alloc] init];
+                _unreadLabel.backgroundColor = [UIColor clearColor];
+                _unreadLabel.textColor       = [UIColor whiteColor];
+                _unreadLabel.font            = [UIFont systemFontOfSize:12];
+                [_messageCounter addSubview:_unreadLabel];
+            }
+            
+            _unreadLabel.text = [[NSNumber numberWithUnsignedInteger:unreadMessages] stringValue];
+            [_unreadLabel sizeToFit];
+            
+            CGPoint offset = CGPointMake(0.0f, 5.0f);
+            _unreadLabel.frame = CGRectMake(offset.x + floor((2.0f*(25 - _unreadLabel.frame.size.width)/ 2.0f)/2.0f), offset.y, _unreadLabel.frame.size.width, _unreadLabel.frame.size.height);
+            _messageCounter.hidden = NO;
+        } else {
+            _messageCounter.hidden = YES;
+        }
+    }
+}
+
 - (void)scrollViewWillEndDragging:(UIScrollView *)scrollView
                      withVelocity:(CGPoint)velocity
               targetContentOffset:(inout CGPoint *)targetContentOffset {

Signal/src/view controllers/InboxTableViewCell.xib

@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="6254" systemVersion="14C109" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="9059" systemVersion="15B42" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES">
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6247"/>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9049"/>
+        <capability name="Aspect ratio constraints" minToolsVersion="5.1"/>
         <capability name="Constraints to layout margins" minToolsVersion="6.0"/>
     </dependencies>
     <objects>
@@ -11,20 +13,22 @@
             <rect key="frame" x="0.0" y="0.0" width="400" height="72"/>
             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
             <tableViewCellContentView key="contentView" multipleTouchEnabled="YES" contentMode="center" tableViewCell="axX-Rb-kiK" id="BRG-hJ-lRa">
-                <rect key="frame" x="0.0" y="0.0" width="318" height="71"/>
+                <rect key="frame" x="0.0" y="0.0" width="400" height="71"/>
                 <autoresizingMask key="autoresizingMask" flexibleMaxY="YES"/>
                 <subviews>
-                    <view contentMode="scaleToFill" misplaced="YES" translatesAutoresizingMaskIntoConstraints="NO" id="yBY-TS-2tI" userLabel="Archive View">
+                    <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="yBY-TS-2tI" userLabel="Archive View">
-                        <rect key="frame" x="-32" y="1" width="200" height="72"/>
+                        <rect key="frame" x="-32" y="0.0" width="200" height="72"/>
                         <subviews>
                             <imageView userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="cellBtnMoveToArchive--blue" translatesAutoresizingMaskIntoConstraints="NO" id="WyX-Hb-Mpn">
                                 <rect key="frame" x="60" y="25" width="22" height="22"/>
+                                <animations/>
                                 <constraints>
                                     <constraint firstAttribute="width" constant="22" id="POu-Gs-JsW"/>
                                     <constraint firstAttribute="height" constant="22" id="oci-BQ-wXb"/>
                                 </constraints>
                             </imageView>
                         </subviews>
+                        <animations/>
                         <color key="backgroundColor" red="0.79607843137254897" green="0.8901960784313725" blue="0.98039215686274506" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
                             <constraint firstItem="WyX-Hb-Mpn" firstAttribute="top" secondItem="yBY-TS-2tI" secondAttribute="top" constant="25" id="D9f-ck-Her"/>
@@ -33,21 +37,20 @@
                             <constraint firstAttribute="height" constant="72" id="nSm-46-Dix"/>
                         </constraints>
                     </view>
-                    <scrollView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" ambiguous="YES" alwaysBounceHorizontal="YES" showsHorizontalScrollIndicator="NO" showsVerticalScrollIndicator="NO" translatesAutoresizingMaskIntoConstraints="NO" id="bG5-iK-ql3" customClass="NextResponderScrollView">
+                    <scrollView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" alwaysBounceHorizontal="YES" showsHorizontalScrollIndicator="NO" showsVerticalScrollIndicator="NO" canCancelContentTouches="NO" translatesAutoresizingMaskIntoConstraints="NO" id="bG5-iK-ql3" customClass="NextResponderScrollView">
                         <rect key="frame" x="0.0" y="0.0" width="400" height="72"/>
                         <subviews>
-                            <view contentMode="scaleToFill" ambiguous="YES" translatesAutoresizingMaskIntoConstraints="NO" id="kq8-RD-txC" userLabel="Container View">
+                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="kq8-RD-txC" userLabel="Container View">
                                 <rect key="frame" x="0.0" y="0.0" width="400" height="72"/>
                                 <subviews>
-                                    <view contentMode="scaleToFill" ambiguous="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Wco-u2-Bz6">
+                                    <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="p9o-x6-nT5">
-                                        <rect key="frame" x="0.0" y="0.0" width="400" height="72"/>
-                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
-                                    </view>
-                                    <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" image="contact_default_feed.png" translatesAutoresizingMaskIntoConstraints="NO" id="p9o-x6-nT5">
                                         <rect key="frame" x="10" y="10" width="52" height="53"/>
+                                        <animations/>
                                     </imageView>
-                                    <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" ambiguous="YES" text="Thursday" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="bp6-EC-9eP">
+                                    <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" misplaced="YES" text="" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" enabled="NO" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="bp6-EC-9eP">
-                                        <rect key="frame" x="317" y="20" width="56" height="17"/>
+                                        <rect key="frame" x="383" y="10" width="0.0" height="0.0"/>
+                                        <animations/>
+                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                                         <constraints>
                                             <constraint firstAttribute="height" constant="17" id="kgo-Kw-ZP3"/>
                                         </constraints>
@@ -55,158 +58,77 @@
                                         <color key="textColor" red="0.13725490200000001" green="0.1215686275" blue="0.12549019610000001" alpha="1" colorSpace="calibratedRGB"/>
                                         <color key="highlightedColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                                     </label>
-                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="Label" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Qgj-EY-BWC">
+                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" misplaced="YES" text="" lineBreakMode="tailTruncation" numberOfLines="2" baselineAdjustment="alignBaselines" enabled="NO" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Qgj-EY-BWC">
-                                        <rect key="frame" x="75" y="29" width="234" height="35"/>
+                                        <rect key="frame" x="75" y="29" width="235" height="33"/>
-                                        <fontDescription key="fontDescription" name="HelveticaNeue" family="Helvetica Neue" pointSize="12"/>
+                                        <animations/>
+                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                        <fontDescription key="fontDescription" name="HelveticaNeue" family="Helvetica Neue" pointSize="14"/>
                                         <color key="textColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/>
                                         <nil key="highlightedColor"/>
                                     </label>
-                                    <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" fixedFrame="YES" text="Name Label" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="gWV-cB-qZe">
+                                    <view userInteractionEnabled="NO" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="KNJ-HQ-UVM" userLabel="New Messages Tag">
-                                        <rect key="frame" x="74" y="12" width="180" height="30"/>
+                                        <rect key="frame" x="353" y="35" width="27" height="27"/>
-                                        <fontDescription key="fontDescription" name="HelveticaNeue-Bold" family="Helvetica Neue" pointSize="14"/>
+                                        <animations/>
-                                        <color key="textColor" red="0.11764705882352941" green="0.11764705882352941" blue="0.11764705882352941" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                        <color key="backgroundColor" red="0.25882352939999997" green="0.74901960779999999" blue="0.25098039220000001" alpha="0.0" colorSpace="custom" customColorSpace="sRGB"/>
-                                        <color key="highlightedColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                        <constraints>
+                                            <constraint firstAttribute="width" constant="27" id="S3w-sZ-O53"/>
+                                            <constraint firstAttribute="width" secondItem="KNJ-HQ-UVM" secondAttribute="height" multiplier="1:1" id="pRB-Zk-iwR"/>
+                                        </constraints>
+                                    </view>
+                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="mfN-2A-QxN">
+                                        <rect key="frame" x="75" y="6" width="236" height="25"/>
+                                        <animations/>
+                                        <fontDescription key="fontDescription" type="boldSystem" pointSize="16"/>
+                                        <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                                        <nil key="highlightedColor"/>
                                     </label>
                                 </subviews>
+                                <animations/>
+                                <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                                 <constraints>
-                                    <constraint firstAttribute="width" secondItem="Wco-u2-Bz6" secondAttribute="width" id="1T6-40-omZ"/>
+                                    <constraint firstItem="KNJ-HQ-UVM" firstAttribute="top" secondItem="bp6-EC-9eP" secondAttribute="bottom" constant="8" id="Xxt-Pd-bUm"/>
-                                    <constraint firstAttribute="centerX" secondItem="Wco-u2-Bz6" secondAttribute="centerX" constant="-10" id="3FF-mP-SEU"/>
+                                    <constraint firstItem="Qgj-EY-BWC" firstAttribute="top" secondItem="kq8-RD-txC" secondAttribute="top" constant="29" id="YQx-hl-fQf"/>
-                                    <constraint firstItem="Wco-u2-Bz6" firstAttribute="leading" secondItem="kq8-RD-txC" secondAttribute="leading" id="7CN-Mr-Ecm"/>
-                                    <constraint firstAttribute="height" secondItem="Wco-u2-Bz6" secondAttribute="height" id="EXS-jQ-F5B"/>
-                                    <constraint firstAttribute="width" secondItem="Wco-u2-Bz6" secondAttribute="width" id="GAp-II-hEP"/>
-                                    <constraint firstAttribute="centerY" secondItem="Wco-u2-Bz6" secondAttribute="centerY" id="GZX-5M-GH9"/>
-                                    <constraint firstAttribute="bottom" secondItem="Wco-u2-Bz6" secondAttribute="bottom" id="IZD-iJ-o1H"/>
-                                    <constraint firstAttribute="centerX" secondItem="Wco-u2-Bz6" secondAttribute="centerX" constant="102" id="Mt5-CN-g2H"/>
-                                    <constraint firstAttribute="centerX" secondItem="Wco-u2-Bz6" secondAttribute="centerX" id="Szl-70-i1e"/>
-                                    <constraint firstAttribute="centerY" secondItem="Wco-u2-Bz6" secondAttribute="centerY" id="asx-dO-cbp"/>
-                                    <constraint firstAttribute="trailing" secondItem="Wco-u2-Bz6" secondAttribute="trailing" constant="102" id="bSf-ft-rxR"/>
-                                    <constraint firstItem="Wco-u2-Bz6" firstAttribute="top" secondItem="kq8-RD-txC" secondAttribute="top" id="dXQ-dR-4SK"/>
-                                    <constraint firstItem="bp6-EC-9eP" firstAttribute="trailing" secondItem="Wco-u2-Bz6" secondAttribute="trailing" constant="-27" id="eJL-bU-QWF"/>
-                                    <constraint firstItem="bp6-EC-9eP" firstAttribute="top" secondItem="Wco-u2-Bz6" secondAttribute="top" constant="20" id="pBv-RK-St3"/>
                                 </constraints>
-                                <variation key="default">
-                                    <mask key="constraints">
-                                        <exclude reference="1T6-40-omZ"/>
-                                        <exclude reference="3FF-mP-SEU"/>
-                                        <exclude reference="7CN-Mr-Ecm"/>
-                                        <exclude reference="GZX-5M-GH9"/>
-                                        <exclude reference="IZD-iJ-o1H"/>
-                                        <exclude reference="Mt5-CN-g2H"/>
-                                        <exclude reference="bSf-ft-rxR"/>
-                                        <exclude reference="dXQ-dR-4SK"/>
-                                    </mask>
-                                </variation>
                             </view>
                         </subviews>
+                        <animations/>
                         <constraints>
-                            <constraint firstAttribute="trailing" secondItem="kq8-RD-txC" secondAttribute="trailing" id="3iz-A6-N93"/>
                             <constraint firstAttribute="bottom" secondItem="kq8-RD-txC" secondAttribute="bottom" id="4a6-E0-eBE"/>
                             <constraint firstItem="kq8-RD-txC" firstAttribute="top" secondItem="bG5-iK-ql3" secondAttribute="top" id="AG5-dI-2pd"/>
-                            <constraint firstItem="kq8-RD-txC" firstAttribute="top" secondItem="bG5-iK-ql3" secondAttribute="top" id="An4-9G-IYU"/>
                             <constraint firstAttribute="trailing" secondItem="kq8-RD-txC" secondAttribute="trailing" id="CWM-Sv-BB9"/>
-                            <constraint firstItem="kq8-RD-txC" firstAttribute="leading" secondItem="bG5-iK-ql3" secondAttribute="leading" id="HqR-mX-M8E"/>
+                            <constraint firstAttribute="trailing" secondItem="KNJ-HQ-UVM" secondAttribute="trailing" constant="20" id="J8b-wh-IUa"/>
-                            <constraint firstAttribute="centerX" secondItem="kq8-RD-txC" secondAttribute="centerX" constant="-102" id="LkM-VZ-WRa"/>
+                            <constraint firstAttribute="trailing" secondItem="Qgj-EY-BWC" secondAttribute="trailing" constant="90" id="LNQ-nI-2z4"/>
-                            <constraint firstItem="kq8-RD-txC" firstAttribute="leading" secondItem="bG5-iK-ql3" secondAttribute="leading" id="TDZ-oq-p0x"/>
+                            <constraint firstAttribute="trailing" secondItem="bp6-EC-9eP" secondAttribute="trailing" constant="17" id="ZIh-x7-oZT"/>
-                            <constraint firstAttribute="trailing" secondItem="kq8-RD-txC" secondAttribute="trailing" constant="-204" id="Vnt-oN-8TR"/>
                             <constraint firstItem="kq8-RD-txC" firstAttribute="centerX" secondItem="bG5-iK-ql3" secondAttribute="centerX" id="dF0-aa-sOI"/>
+                            <constraint firstItem="bp6-EC-9eP" firstAttribute="top" secondItem="bG5-iK-ql3" secondAttribute="top" constant="10" id="ghx-vM-qjc"/>
                             <constraint firstItem="kq8-RD-txC" firstAttribute="leading" secondItem="bG5-iK-ql3" secondAttribute="leading" id="lDQ-73-Y5y"/>
-                            <constraint firstItem="kq8-RD-txC" firstAttribute="width" secondItem="bG5-iK-ql3" secondAttribute="width" id="lpQ-vV-DDu"/>
+                            <constraint firstItem="Qgj-EY-BWC" firstAttribute="leading" secondItem="bG5-iK-ql3" secondAttribute="leading" constant="75" id="vVN-fS-XXB"/>
-                            <constraint firstAttribute="bottom" secondItem="kq8-RD-txC" secondAttribute="bottom" id="nsI-NR-f3Y"/>
-                            <constraint firstAttribute="centerY" secondItem="kq8-RD-txC" secondAttribute="centerY" id="q6R-fT-3Qv"/>
-                            <constraint firstAttribute="height" constant="72" id="s7n-Dd-n3b"/>
-                            <constraint firstItem="kq8-RD-txC" firstAttribute="height" secondItem="bG5-iK-ql3" secondAttribute="height" id="uTM-6V-qUa"/>
                             <constraint firstItem="kq8-RD-txC" firstAttribute="centerY" secondItem="bG5-iK-ql3" secondAttribute="centerY" id="zll-OP-FWQ"/>
                         </constraints>
-                        <variation key="default">
-                            <mask key="constraints">
-                                <exclude reference="3iz-A6-N93"/>
-                                <exclude reference="4a6-E0-eBE"/>
-                                <exclude reference="AG5-dI-2pd"/>
-                                <exclude reference="An4-9G-IYU"/>
-                                <exclude reference="CWM-Sv-BB9"/>
-                                <exclude reference="HqR-mX-M8E"/>
-                                <exclude reference="LkM-VZ-WRa"/>
-                                <exclude reference="TDZ-oq-p0x"/>
-                                <exclude reference="Vnt-oN-8TR"/>
-                                <exclude reference="dF0-aa-sOI"/>
-                                <exclude reference="lDQ-73-Y5y"/>
-                                <exclude reference="nsI-NR-f3Y"/>
-                                <exclude reference="zll-OP-FWQ"/>
-                            </mask>
-                        </variation>
-                        <variation key="heightClass=regular-widthClass=compact">
-                            <mask key="constraints">
-                                <exclude reference="s7n-Dd-n3b"/>
-                                <include reference="4a6-E0-eBE"/>
-                                <include reference="AG5-dI-2pd"/>
-                                <include reference="CWM-Sv-BB9"/>
-                                <exclude reference="TDZ-oq-p0x"/>
-                                <exclude reference="Vnt-oN-8TR"/>
-                                <include reference="dF0-aa-sOI"/>
-                                <include reference="lDQ-73-Y5y"/>
-                                <exclude reference="lpQ-vV-DDu"/>
-                                <exclude reference="q6R-fT-3Qv"/>
-                                <exclude reference="uTM-6V-qUa"/>
-                                <include reference="zll-OP-FWQ"/>
-                            </mask>
-                        </variation>
                         <connections>
                             <outlet property="delegate" destination="axX-Rb-kiK" id="TMe-oF-FQE"/>
                         </connections>
                     </scrollView>
                 </subviews>
+                <animations/>
                 <color key="backgroundColor" red="0.94901960780000005" green="0.94901960780000005" blue="0.94901960780000005" alpha="1" colorSpace="calibratedRGB"/>
                 <constraints>
-                    <constraint firstAttribute="centerX" secondItem="bG5-iK-ql3" secondAttribute="centerX" id="1eG-bp-0aH"/>
-                    <constraint firstAttribute="centerX" secondItem="yBY-TS-2tI" secondAttribute="centerX" constant="100" id="45M-LI-hyw"/>
                     <constraint firstAttribute="centerY" secondItem="yBY-TS-2tI" secondAttribute="centerY" constant="-0.5" id="4d0-90-jLX"/>
                     <constraint firstItem="bG5-iK-ql3" firstAttribute="centerY" secondItem="yBY-TS-2tI" secondAttribute="centerY" id="5Va-qA-vJx"/>
-                    <constraint firstItem="bG5-iK-ql3" firstAttribute="leading" secondItem="BRG-hJ-lRa" secondAttribute="leadingMargin" constant="-8" id="Dmq-W5-Xkr"/>
-                    <constraint firstItem="bG5-iK-ql3" firstAttribute="trailing" secondItem="yBY-TS-2tI" secondAttribute="trailing" constant="400" id="Efu-Ej-DLZ"/>
-                    <constraint firstItem="yBY-TS-2tI" firstAttribute="leading" secondItem="BRG-hJ-lRa" secondAttribute="leadingMargin" constant="-8" id="HBi-XD-XdK"/>
-                    <constraint firstAttribute="centerY" secondItem="bG5-iK-ql3" secondAttribute="centerY" constant="-0.25" id="IQe-4d-baG"/>
-                    <constraint firstAttribute="centerY" secondItem="yBY-TS-2tI" secondAttribute="centerY" constant="-0.5" id="LFd-ft-Cx2"/>
                     <constraint firstAttribute="trailing" secondItem="bG5-iK-ql3" secondAttribute="trailing" id="Wbl-He-blg"/>
                     <constraint firstItem="yBY-TS-2tI" firstAttribute="leading" secondItem="BRG-hJ-lRa" secondAttribute="leadingMargin" constant="-40" id="ZTu-mT-wNL"/>
                     <constraint firstItem="bG5-iK-ql3" firstAttribute="leading" secondItem="BRG-hJ-lRa" secondAttribute="leading" id="byS-fb-Uet"/>
-                    <constraint firstItem="yBY-TS-2tI" firstAttribute="leading" secondItem="BRG-hJ-lRa" secondAttribute="leadingMargin" constant="-8" id="dJ9-E4-MkG"/>
-                    <constraint firstAttribute="trailingMargin" secondItem="bG5-iK-ql3" secondAttribute="trailing" constant="-8" id="ikW-Es-Ngp"/>
-                    <constraint firstItem="yBY-TS-2tI" firstAttribute="leading" secondItem="BRG-hJ-lRa" secondAttribute="leadingMargin" id="lMh-PN-kR2"/>
                     <constraint firstItem="bG5-iK-ql3" firstAttribute="bottom" secondItem="yBY-TS-2tI" secondAttribute="bottom" id="opm-uv-Fhc"/>
                 </constraints>
-                <variation key="default">
-                    <mask key="constraints">
-                        <exclude reference="5Va-qA-vJx"/>
-                        <exclude reference="Efu-Ej-DLZ"/>
-                        <exclude reference="Wbl-He-blg"/>
-                        <exclude reference="byS-fb-Uet"/>
-                        <exclude reference="opm-uv-Fhc"/>
-                        <exclude reference="45M-LI-hyw"/>
-                        <exclude reference="HBi-XD-XdK"/>
-                        <exclude reference="LFd-ft-Cx2"/>
-                        <exclude reference="dJ9-E4-MkG"/>
-                        <exclude reference="lMh-PN-kR2"/>
-                    </mask>
-                </variation>
-                <variation key="heightClass=regular-widthClass=compact">
-                    <mask key="constraints">
-                        <exclude reference="1eG-bp-0aH"/>
-                        <include reference="5Va-qA-vJx"/>
-                        <exclude reference="Dmq-W5-Xkr"/>
-                        <exclude reference="IQe-4d-baG"/>
-                        <include reference="Wbl-He-blg"/>
-                        <include reference="byS-fb-Uet"/>
-                        <exclude reference="ikW-Es-Ngp"/>
-                        <include reference="opm-uv-Fhc"/>
-                    </mask>
-                </variation>
             </tableViewCellContentView>
+            <animations/>
             <connections>
                 <outlet property="archiveImageView" destination="WyX-Hb-Mpn" id="99i-j3-F49"/>
                 <outlet property="archiveView" destination="yBY-TS-2tI" id="Olb-KX-yw5"/>
                 <outlet property="contactPictureView" destination="p9o-x6-nT5" id="oUA-O3-JIc"/>
                 <outlet property="contentContainerView" destination="kq8-RD-txC" id="yaJ-z3-8sC"/>
-                <outlet property="nameLabel" destination="gWV-cB-qZe" id="drr-G2-EB6"/>
+                <outlet property="messageCounter" destination="KNJ-HQ-UVM" id="Ysu-EC-k1P"/>
+                <outlet property="nameLabel" destination="mfN-2A-QxN" id="Jr0-05-R1t"/>
                 <outlet property="scrollView" destination="bG5-iK-ql3" id="wEp-AH-Pdu"/>
                 <outlet property="snippetLabel" destination="Qgj-EY-BWC" id="EIb-je-Cw5"/>
                 <outlet property="timeLabel" destination="bp6-EC-9eP" id="O4O-ST-o3v"/>
@@ -216,6 +138,5 @@
     </objects>
     <resources>
         <image name="cellBtnMoveToArchive--blue" width="30" height="30"/>
-        <image name="contact_default_feed.png" width="242" height="242"/>
     </resources>
 </document>

Signal/src/view controllers/MessagesViewController.h

@@ -29,6 +29,9 @@
 - (void)setupWithTSIdentifier:(NSString*)identifier;
 - (void)setupWithTSGroup:(TSGroupModel*)model;
 
+- (void)peekSetup;
+- (void)popped;
+
 - (void)setComposeOnOpen:(BOOL)compose;
 
 - (TSThread*)thread;

Signal/src/view controllers/MessagesViewController.m

@@ -9,6 +9,7 @@
 #import "AppDelegate.h"
 
 #import <AddressBookUI/AddressBookUI.h>
+#import <ContactsUI/CNContactViewController.h>
 
 #import "MessagesViewController.h"
 #import "FullImageViewController.h"
@@ -99,6 +100,7 @@ typedef enum : NSUInteger {
 
 @property BOOL isVisible;
 @property (nonatomic)  BOOL composeOnOpen;
+@property (nonatomic)  BOOL peek;
 
 @end
 
@@ -131,6 +133,16 @@ typedef enum : NSUInteger {
     isGroupConversation = YES;
 }
 
+- (void)peekSetup {
+    _peek = YES;
+    [self setComposeOnOpen:NO];
+}
+
+- (void)popped {
+    _peek = NO;
+    [self hideInputIfNeeded];
+}
+
 - (void)setComposeOnOpen:(BOOL)compose {
     _composeOnOpen = compose;
 }
@@ -145,13 +157,18 @@ typedef enum : NSUInteger {
 }
 
 - (void)hideInputIfNeeded {
+    if (_peek) {
+        [self inputToolbar].hidden = YES;
+        return;
+    }
+    
     if([_thread  isKindOfClass:[TSGroupThread class]] && ![((TSGroupThread*)_thread).groupModel.groupMemberIds containsObject:[SignalKeyingStorage.localNumber toE164]]) {
         [self inputToolbar].hidden= YES; // user has requested they leave the group. further sends disallowed
         self.navigationItem.rightBarButtonItem = nil; // further group action disallowed
-    }
+    } else if(![self isTextSecureReachable] ){
-    else if(![self isTextSecureReachable] ){
         [self inputToolbar].hidden= YES; // only RedPhone
     } else {
+        [self inputToolbar].hidden= NO;
         [self loadDraftInCompose];
     }
 }
@@ -234,22 +251,28 @@ typedef enum : NSUInteger {
 }
 
 - (void)viewDidAppear:(BOOL)animated {
-    [self updateBackButton];
     [super viewDidAppear:animated];
     [self markAllMessagesAsRead];
     [self startReadTimer];
     _isVisible = YES;
     [self initializeTitleLabelGestureRecognizer];
     
-    [self updateBackButton];
+    [self updateBackButtonAsync];
     
     if (_composeOnOpen) {
         [self popKeyBoard];
     }
 }
 
-- (void)updateBackButton {
+- (void)updateBackButtonAsync {
-    [self setUnreadCount:[[TSMessagesManager sharedManager] unreadMessagesCountExcept:self.thread]];
+    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+        NSUInteger count = [[TSMessagesManager sharedManager] unreadMessagesCountExcept:self.thread];
+        dispatch_async(dispatch_get_main_queue() , ^{
+            if (self) {
+                [self setUnreadCount:count];
+            }
+        });
+    });
 }
 
 - (void)viewWillDisappear:(BOOL)animated {
@@ -474,22 +497,53 @@ typedef enum : NSUInteger {
         
         Contact *contact = [[[Environment getCurrent] contactsManager] latestContactForPhoneNumber:[self phoneNumberForThread]];
         if (!contact) {
-            ABUnknownPersonViewController *view = [[ABUnknownPersonViewController alloc] init];
             
-            ABRecordRef aContact = ABPersonCreate();
+            if (!(SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(NSFoundationVersionNumber_iOS_9))) {
-            CFErrorRef anError = NULL;
+                ABUnknownPersonViewController *view = [[ABUnknownPersonViewController alloc] init];
+                
+                ABRecordRef aContact = ABPersonCreate();
+                CFErrorRef anError = NULL;
+                
+                ABMultiValueRef phone = ABMultiValueCreateMutable(kABMultiStringPropertyType);
+                
+                ABMultiValueAddValueAndLabel(phone, (__bridge CFTypeRef) [self phoneNumberForThread].toE164, kABPersonPhoneMainLabel, NULL);
+                
+                ABRecordSetValue(aContact, kABPersonPhoneProperty, phone, &anError);
+                CFRelease(phone);
+                
+                if (!anError && aContact) {
+                    view.displayedPerson = aContact; // Assume person is already defined.
+                    view.allowsAddingToAddressBook = YES;
+                    [self.navigationController pushViewController:view animated:YES];
+                }
+            } else {
+                CNContactStore *contactStore = [Environment getCurrent].contactsManager.contactStore;
+                
+                CNMutableContact *cncontact = [[CNMutableContact alloc] init];
+                cncontact.phoneNumbers = @[[CNLabeledValue labeledValueWithLabel:nil value:[CNPhoneNumber phoneNumberWithStringValue:[self phoneNumberForThread].toE164]]];
+                
+                CNContactViewController *controller = [CNContactViewController viewControllerForUnknownContact:cncontact];
+                controller.allowsActions = NO;
+                controller.allowsEditing = YES;
+                controller.contactStore = contactStore;
+                
+                [self.navigationController pushViewController:controller animated:YES];
+                 
+                 // The "Add to existing contacts" is known to be destroying the view controller stack on iOS 9 http://stackoverflow.com/questions/32973254/cncontactviewcontroller-forunknowncontact-unusable-destroys-interface
+                    
+                    // Warning the user
+                    UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"iOS 9 Bug" message:@"iOS 9 introduced a bug that prevents us from adding this number to an existing contact from the app. You can still create a new contact for this number or copy-paste it into an existing contact sheet." preferredStyle:UIAlertControllerStyleAlert];
                     
-            ABMultiValueRef phone = ABMultiValueCreateMutable(kABMultiStringPropertyType);
                     
-            ABMultiValueAddValueAndLabel(phone, (__bridge CFTypeRef) [self phoneNumberForThread].toE164, kABPersonPhoneMainLabel, NULL);
+                    [alertController addAction:[UIAlertAction actionWithTitle:@"Continue" style:UIAlertActionStyleCancel handler:nil]];
                     
-            ABRecordSetValue(aContact, kABPersonPhoneProperty, phone, &anError);
+                    [alertController addAction:[UIAlertAction actionWithTitle:@"Copy number" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
-            CFRelease(phone);
+                        UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
+                        pasteboard.string = [self phoneNumberForThread].toE164;
+                        [controller.navigationController popViewControllerAnimated:YES];
+                    }]];
                     
-            if (!anError && aContact) {
+                [controller presentViewController:alertController animated:YES completion:nil];
-                view.displayedPerson = aContact; // Assume person is already defined.
-                view.allowsAddingToAddressBook = YES;
-                [self.navigationController pushViewController:view animated:YES];
             }
         }
     }
@@ -1349,7 +1403,7 @@ typedef enum : NSUInteger {
 
 - (void)yapDatabaseModified:(NSNotification *)notification {
     
-    [self updateBackButton];
+    [self updateBackButtonAsync];
     
     if(isGroupConversation) {
         [self.uiDatabaseConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {

Signal/src/view controllers/UITests/SignalsViewController.h

@@ -13,7 +13,7 @@
 #import "TSGroupModel.h"
 #import "CallState.h"
 
-@interface SignalsViewController : UIViewController <UITableViewDelegate, UITableViewDataSource, TableViewCellDelegate>
+@interface SignalsViewController : UIViewController <UITableViewDelegate, UITableViewDataSource, TableViewCellDelegate, UIViewControllerPreviewingDelegate>
 
 @property (nonatomic) NSString        *contactIdentifierFromCompose;
 @property (nonatomic) TSGroupModel    *groupFromCompose;

Signal/src/view controllers/UITests/SignalsViewController.m

@@ -27,8 +27,6 @@
 #define CELL_HEIGHT 72.0f
 #define HEADER_HEIGHT 44.0f
 
-
-static NSString *const inboxTableViewCell   = @"inBoxTableViewCell";
 static NSString *const kSegueIndentifier    = @"showSegue";
 static NSString* const kShowSignupFlowSegue = @"showSignupFlow";
 
@@ -40,6 +38,7 @@ static NSString* const kShowSignupFlowSegue = @"showSignupFlow";
 @property (nonatomic) CellState viewingThreadsIn;
 @property (nonatomic) long inboxCount;
 @property (nonatomic, retain) UISegmentedControl *segmentedControl;
+@property (nonatomic)  NSArray<id<UIPreviewActionItem>> *previewActions;
 
 @end
 
@@ -75,6 +74,56 @@ static NSString* const kShowSignupFlowSegue = @"showSignupFlow";
     [self.segmentedControl addTarget:self action:@selector(swappedSegmentedControl) forControlEvents:UIControlEventValueChanged];
     self.navigationItem.titleView = self.segmentedControl;
     [self.segmentedControl setSelectedSegmentIndex:0];
+    
+    if ([self.traitCollection
+         respondsToSelector:@selector(forceTouchCapability)] &&
+        (self.traitCollection.forceTouchCapability ==
+         UIForceTouchCapabilityAvailable))
+    {
+        [self registerForPreviewingWithDelegate:self sourceView:self.view];
+    }
+}
+
+- (UIViewController *)previewingContext:
+(id<UIViewControllerPreviewing>)previewingContext
+              viewControllerForLocation:(CGPoint)location {
+    NSIndexPath *indexPath = [self.tableView
+                              indexPathForRowAtPoint:location];
+    
+    MessagesViewController * vc    = [[MessagesViewController alloc] initWithNibName:nil bundle:nil];
+    TSThread *thread               = [self threadForIndexPath:indexPath];
+    [vc setupWithThread:thread];
+    [vc peekSetup];
+    
+    return vc;
+}
+
+- (void)previewingContext:(id<UIViewControllerPreviewing>)previewingContext
+     commitViewController:(UIViewController *)viewControllerToCommit {
+    
+    MessagesViewController *vc = (MessagesViewController*)viewControllerToCommit;
+    [vc popped];
+    
+    [self.navigationController pushViewController:vc
+                                         animated:NO];
+}
+
+- (NSArray<id<UIPreviewActionItem>> *)previewActionItems {
+    return self.previewActions;
+}
+
+- (NSArray<id<UIPreviewActionItem>> *)previewActions {
+    if (_previewActions == nil) {
+        UIPreviewAction *printAction = [UIPreviewAction
+                                        actionWithTitle:@"Print"
+                                        style:UIPreviewActionStyleDefault
+                                        handler:^(UIPreviewAction * _Nonnull action,
+                                                  UIViewController * _Nonnull previewViewController) {
+                                            // ... code to handle action here
+                                        }];
+        _previewActions = @[printAction];
+    }
+    return _previewActions;
 }
 
 - (void)swappedSegmentedControl {
@@ -117,7 +166,7 @@ static NSString* const kShowSignupFlowSegue = @"showSignupFlow";
 
 - (InboxTableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath {
     
-    InboxTableViewCell *cell = [self.tableView dequeueReusableCellWithIdentifier:inboxTableViewCell];
+    InboxTableViewCell *cell = [self.tableView dequeueReusableCellWithIdentifier:NSStringFromClass([InboxTableViewCell class])];
     TSThread *thread         = [self threadForIndexPath:indexPath];
     
     if (!cell) {
@@ -125,8 +174,10 @@ static NSString* const kShowSignupFlowSegue = @"showSignupFlow";
         cell.delegate = self;
     }
     
-    [cell configureWithThread:thread];
+    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
-    [cell configureForState:self.viewingThreadsIn == kInboxState ? kInboxState : kArchiveState];
+        [cell configureWithThread:thread];
+        [cell configureForState:self.viewingThreadsIn == kInboxState ? kInboxState : kArchiveState];
+    });
     
     if ((unsigned long)indexPath.row == [self.threadMappings numberOfItemsInSection:0]-1) {
         cell.separatorInset = UIEdgeInsetsMake(0.f, cell.bounds.size.width, 0.f, 0.f);