Simplify bubble edge.

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

@@ -175,27 +175,32 @@ const CGFloat kBubbleTextVInset = 10.f;
     [bezierPath addQuadCurveToPoint:CGPointMake(bubbleRight, bubbleTop + kBubbleVRounding)
                        controlPoint:CGPointMake(bubbleRight, bubbleTop)];
     [bezierPath addLineToPoint:CGPointMake(bubbleRight, bubbleBottom - kBubbleVRounding)];
-    [bezierPath addQuadCurveToPoint:CGPointMake(bubbleRight - kBubbleHRounding, bubbleBottom)
-                       controlPoint:CGPointMake(bubbleRight, bubbleBottom)];
-    [bezierPath addLineToPoint:CGPointMake(bubbleLeft + kBubbleHRounding, bubbleBottom)];
-    [bezierPath addQuadCurveToPoint:CGPointMake(bubbleLeft, bubbleBottom - kBubbleVRounding)
-                       controlPoint:CGPointMake(bubbleLeft, bubbleBottom)];
-    [bezierPath addLineToPoint:CGPointMake(bubbleLeft, bubbleTop + kBubbleVRounding)];
-    [bezierPath addQuadCurveToPoint:CGPointMake(bubbleLeft + kBubbleHRounding, bubbleTop)
-                       controlPoint:CGPointMake(bubbleLeft, bubbleTop)];
 
-    if (!hideTail) {
+    if (hideTail) {
+        [bezierPath addQuadCurveToPoint:CGPointMake(bubbleRight - kBubbleHRounding, bubbleBottom)
+                           controlPoint:CGPointMake(bubbleRight, bubbleBottom)];
+    } else {
         // Thorn Tip
         CGPoint thornTip = CGPointMake(size.width + 1, size.height);
-        CGPoint thornA = CGPointMake(bubbleRight - kBubbleHRounding * 0.5f, bubbleBottom - kBubbleVRounding);
         CGPoint thornB = CGPointMake(bubbleRight, bubbleBottom - kBubbleVRounding);
-        [bezierPath moveToPoint:thornTip];
-        [bezierPath addQuadCurveToPoint:thornA controlPoint:CGPointMake(thornA.x, bubbleBottom)];
-        [bezierPath addLineToPoint:thornB];
+        // Approximate intersection of the thorn and the bubble edge.
+        CGPoint thornPrime
+            = CGPointMake(bubbleRight - kBubbleHRounding * 0.25f, bubbleBottom - kBubbleVRounding * 0.25f);
+        CGPoint thornPrimeA = CGPointMake(thornPrime.x, bubbleBottom - kBubbleVRounding * 0.08f);
+
         [bezierPath addQuadCurveToPoint:thornTip controlPoint:CGPointMake(thornB.x, bubbleBottom)];
-        [bezierPath addLineToPoint:thornTip];
+        [bezierPath addQuadCurveToPoint:thornPrime controlPoint:thornPrimeA];
+        [bezierPath addQuadCurveToPoint:CGPointMake(bubbleRight - kBubbleHRounding, bubbleBottom)
+                           controlPoint:thornPrimeA];
     }
 
+    [bezierPath addLineToPoint:CGPointMake(bubbleLeft + kBubbleHRounding, bubbleBottom)];
+    [bezierPath addQuadCurveToPoint:CGPointMake(bubbleLeft, bubbleBottom - kBubbleVRounding)
+                       controlPoint:CGPointMake(bubbleLeft, bubbleBottom)];
+    [bezierPath addLineToPoint:CGPointMake(bubbleLeft, bubbleTop + kBubbleVRounding)];
+    [bezierPath addQuadCurveToPoint:CGPointMake(bubbleLeft + kBubbleHRounding, bubbleTop)
+                       controlPoint:CGPointMake(bubbleLeft, bubbleTop)];
+
     // Horizontal Flip If Necessary
     BOOL shouldFlip = isOutgoing == isRTL;
     if (shouldFlip) {

Signal/src/ViewControllers/HomeViewController.m

@@ -284,6 +284,15 @@ typedef NS_ENUM(NSInteger, CellState) { kArchiveState, kInboxState };
     }
 
     [self updateBarButtonItems];
+
+    dispatch_async(dispatch_get_main_queue(), ^{
+        NSIndexPath *indexPath = [NSIndexPath indexPathForRow:0 inSection:0];
+        TSThread *thread = [self threadForIndexPath:indexPath];
+        if (!thread) {
+            return;
+        }
+        [self presentThread:thread keyboardOnViewAppearing:NO callOnViewAppearing:NO];
+    });
 }
 
 - (void)viewDidAppear:(BOOL)animated