Preliminary drag-and-drop, although it doesn't seem to work when dropping a URL.

clients/ios/Classes/FeedDetailViewController.h

@@ -21,7 +21,8 @@
 <UITableViewDelegate, UITableViewDataSource,
  UIPopoverControllerDelegate,
  MCSwipeTableViewCellDelegate,
- UIGestureRecognizerDelegate, UISearchBarDelegate> {
+ UIGestureRecognizerDelegate, UISearchBarDelegate,
+ UITableViewDragDelegate> {
     NewsBlurAppDelegate *appDelegate;
     
     BOOL pageFetching;

clients/ios/Classes/FeedDetailViewController.m

@@ -86,6 +86,10 @@
 
     self.storyTitlesTable.backgroundColor = UIColorFromRGB(0xf4f4f4);
     self.storyTitlesTable.separatorColor = UIColorFromRGB(0xE9E8E4);
+    if (@available(iOS 11.0, *)) {
+        self.storyTitlesTable.dragDelegate = self;
+        self.storyTitlesTable.dragInteractionEnabled = YES;
+    }
     self.view.backgroundColor = UIColorFromRGB(0xf4f4f4);
 
     spacerBarButton = [[UIBarButtonItem alloc]
@@ -106,6 +110,9 @@
     [self.searchBar setAutocapitalizationType:UITextAutocapitalizationTypeNone];
     self.storyTitlesTable.tableHeaderView = self.searchBar;
     self.storyTitlesTable.keyboardDismissMode = UIScrollViewKeyboardDismissModeOnDrag;
+    self.storyTitlesTable.translatesAutoresizingMaskIntoConstraints = NO;
+    self.messageView.translatesAutoresizingMaskIntoConstraints = NO;
+//    self.view.translatesAutoresizingMaskIntoConstraints = NO; // No autolayout until UISplitViewController is built
     
     UIImage *separatorImage = [UIImage imageNamed:@"bar-separator.png"];
     if ([ThemeManager themeManager].isDarkTheme) {
@@ -2426,4 +2433,30 @@ didEndSwipingSwipingWithState:(MCSwipeTableViewCellState)state
     [appDelegate informError:error];
 }
 
+#pragma mark - Drag Delegate
+
+- (NSArray<UIDragItem *> *)tableView:(UITableView *)tableView itemsForBeginningDragSession:(id<UIDragSession>)session atIndexPath:(NSIndexPath *)indexPath API_AVAILABLE(ios(11.0)) {
+    NSDictionary *story = [self getStoryAtRow:indexPath.row];
+    NSItemProvider *itemProvider = [[NSItemProvider alloc] init];
+    [itemProvider registerDataRepresentationForTypeIdentifier:(NSString *)kUTTypeURL visibility:NSItemProviderRepresentationVisibilityAll loadHandler:^NSProgress * _Nullable(void (^ _Nonnull completionHandler)(NSData * _Nullable, NSError * _Nullable)) {
+        completionHandler(story[@"story_permalink"], nil);
+        return nil;
+    }];
+    
+    [itemProvider registerDataRepresentationForTypeIdentifier:(NSString *)kUTTypeUTF8PlainText visibility:NSItemProviderRepresentationVisibilityAll loadHandler:^NSProgress * _Nullable(void (^ _Nonnull completionHandler)(NSData * _Nullable, NSError * _Nullable)) {
+        completionHandler(story[@"story_title"], nil);
+        return nil;
+    }];
+    
+    return [NSArray arrayWithObjects:[[UIDragItem alloc] initWithItemProvider:itemProvider], nil];
+}
+
+- (void)tableView:(UITableView *)tableView dragSessionWillBegin:(id<UIDragSession>)session API_AVAILABLE(ios(11.0)) {
+    
+}
+
+- (void)tableView:(UITableView *)tableView dragSessionDidEnd:(id<UIDragSession>)session API_AVAILABLE(ios(11.0)) {
+    
+}
+
 @end

clients/ios/Classes/NewsBlurViewController.m

@@ -105,6 +105,7 @@ static UIFont *userLabelFont;
     self.refreshControl.backgroundColor = UIColorFromRGB(0xE3E6E0);
     [self.refreshControl addTarget:self action:@selector(refresh:) forControlEvents:UIControlEventValueChanged];
     [self.feedTitlesTable addSubview:self.refreshControl];
+    self.feedViewToolbar.translatesAutoresizingMaskIntoConstraints = NO;
     
     userLabelFont = [UIFont fontWithName:@"Helvetica-Bold" size:14.0];
     
@@ -163,6 +164,7 @@ static UIFont *userLabelFont;
     
     self.feedTitlesTable.backgroundColor = UIColorFromRGB(0xf4f4f4);
     self.feedTitlesTable.separatorColor = [UIColor clearColor];
+    self.feedTitlesTable.translatesAutoresizingMaskIntoConstraints = NO;
     
     userAvatarButton.customView.hidden = YES;
     userInfoBarButton.customView.hidden = YES;

clients/ios/Resources-iPad/MainWindow~ipad.xib

@@ -197,7 +197,7 @@
             <extendedEdge key="edgesForExtendedLayout"/>
             <simulatedStatusBarMetrics key="simulatedStatusBarMetrics" statusBarStyle="blackOpaque"/>
             <navigationBar key="navigationBar" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" id="174">
-                <rect key="frame" x="0.0" y="0.0" width="1000" height="1000"/>
+                <rect key="frame" x="0.0" y="20" width="768" height="44"/>
                 <autoresizingMask key="autoresizingMask"/>
             </navigationBar>
             <viewControllers>

clients/ios/Resources-iPhone/FeedDetailViewController.xib

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="13529" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useSafeAreas="YES" colorMatched="YES">
-    <device id="retina4_7" orientation="portrait">
+    <device id="retina5_5" orientation="portrait">
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
@@ -22,11 +22,11 @@
         </placeholder>
         <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
         <view contentMode="scaleToFill" id="1">
-            <rect key="frame" x="0.0" y="0.0" width="320" height="480"/>
+            <rect key="frame" x="0.0" y="0.0" width="414" height="736"/>
             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
             <subviews>
                 <tableView clipsSubviews="YES" contentMode="scaleToFill" showsHorizontalScrollIndicator="NO" bouncesZoom="NO" style="plain" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" translatesAutoresizingMaskIntoConstraints="NO" id="4">
-                    <rect key="frame" x="0.0" y="0.0" width="320" height="480"/>
+                    <rect key="frame" x="0.0" y="0.0" width="414" height="736"/>
                     <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                     <inset key="separatorInset" minX="0.0" minY="0.0" maxX="0.0" maxY="0.0"/>
                     <connections>
@@ -34,17 +34,17 @@
                         <outlet property="delegate" destination="-1" id="37"/>
                     </connections>
                 </tableView>
-                <view hidden="YES" opaque="NO" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="6Mr-6Q-kKI">
-                    <rect key="frame" x="8" y="80.5" width="304" height="204.5"/>
+                <view hidden="YES" opaque="NO" contentMode="scaleToFill" insetsLayoutMarginsFromSafeArea="NO" translatesAutoresizingMaskIntoConstraints="NO" id="6Mr-6Q-kKI">
+                    <rect key="frame" x="0.0" y="220.33333333333337" width="414" height="180.66666666666663"/>
                     <subviews>
                         <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" text="No stories to display. No stories to display. No stories to display. No stories to display." textAlignment="center" lineBreakMode="wordWrap" numberOfLines="8" baselineAdjustment="alignBaselines" minimumFontSize="10" translatesAutoresizingMaskIntoConstraints="NO" id="Ryt-Dy-u2n">
-                            <rect key="frame" x="20" y="96" width="264" height="95.5"/>
+                            <rect key="frame" x="20" y="95.999999999999972" width="374" height="71.666666666666657"/>
                             <fontDescription key="fontDescription" type="boldSystem" pointSize="20"/>
                             <color key="textColor" red="0.75644385814666748" green="0.75644385814666748" blue="0.75644385814666748" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <nil key="highlightedColor"/>
                         </label>
                         <imageView userInteractionEnabled="NO" alpha="0.40000000596046448" contentMode="scaleToFill" image="big_world.png" translatesAutoresizingMaskIntoConstraints="NO" id="Kdh-D5-esJ">
-                            <rect key="frame" x="120" y="24" width="64" height="64"/>
+                            <rect key="frame" x="175.33333333333334" y="24" width="64" height="64"/>
                             <constraints>
                                 <constraint firstAttribute="height" constant="64" id="1c2-mE-46C"/>
                                 <constraint firstAttribute="width" constant="64" id="Odo-if-TOJ"/>
@@ -63,16 +63,15 @@
                 </view>
             </subviews>
             <constraints>
-                <constraint firstItem="3cs-AJ-WzR" firstAttribute="trailing" secondItem="6Mr-6Q-kKI" secondAttribute="trailing" constant="8" id="4oQ-NR-Xjf"/>
+                <constraint firstAttribute="trailing" secondItem="6Mr-6Q-kKI" secondAttribute="trailing" id="4oQ-NR-Xjf"/>
                 <constraint firstItem="4" firstAttribute="leading" secondItem="3cs-AJ-WzR" secondAttribute="leading" id="6SF-3m-dmB"/>
                 <constraint firstItem="4" firstAttribute="bottom" secondItem="1" secondAttribute="bottom" id="FtD-pN-AaO"/>
                 <constraint firstItem="4" firstAttribute="top" secondItem="1" secondAttribute="top" id="Gtv-2z-WY8"/>
-                <constraint firstItem="6Mr-6Q-kKI" firstAttribute="leading" secondItem="3cs-AJ-WzR" secondAttribute="leading" constant="8" id="MNk-r4-01O"/>
+                <constraint firstItem="6Mr-6Q-kKI" firstAttribute="leading" secondItem="1" secondAttribute="leading" id="MNk-r4-01O"/>
                 <constraint firstItem="4" firstAttribute="trailing" secondItem="3cs-AJ-WzR" secondAttribute="trailing" id="MvI-qm-bdt"/>
                 <constraint firstItem="6Mr-6Q-kKI" firstAttribute="centerY" secondItem="4" secondAttribute="centerYWithinMargins" constant="-67.5" id="umc-BG-1FN"/>
             </constraints>
             <nil key="simulatedStatusBarMetrics"/>
-            <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
             <viewLayoutGuide key="safeArea" id="3cs-AJ-WzR"/>
         </view>
     </objects>