Sketch out sticker keyboard.

SignalMessaging/ViewControllers/Stickers/StickerKeyboard.swift

@@ -20,14 +20,28 @@ public class StickerKeyboard: UIStackView {
     @objc
     override public var frame: CGRect {
         didSet {
-            Logger.verbose("----- frame: \(frame), bounds: \(bounds)")
+            logLayout()
         }
     }
 
     @objc
     override public var bounds: CGRect {
         didSet {
-            Logger.verbose("----- frame: \(frame), bounds: \(bounds)")
+            logLayout()
+        }
+    }
+
+    private func logLayout() {
+        Logger.verbose("----- frame: \(frame), bounds: \(bounds)")
+        Logger.verbose("----- \t: \(headerView.frame)")
+        Logger.verbose("----- \t: \(stickerCollectionView.frame)")
+        Logger.verbose("----- \t: \(footerView.frame)")
+
+        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 2.0) {
+            Logger.verbose("----- frame: \(self.frame), bounds: \(self.bounds)")
+            Logger.verbose("----- \t: \(self.headerView.frame)")
+            Logger.verbose("----- \t: \(self.stickerCollectionView.frame)")
+            Logger.verbose("----- \t: \(self.footerView.frame)")
         }
     }
 
@@ -89,11 +103,11 @@ public class StickerKeyboard: UIStackView {
         stickerCollectionView.setCompressionResistanceVerticalLow()
 //        stickerCollectionView.autoSetDimension(.height, toSize: 100)
 
-        footerView.axis = .horizontal
-        footerView.alignment = .center
-        addArrangedSubview(footerView)
-        footerView.setContentHuggingVerticalHigh()
-        footerView.setCompressionResistanceVerticalHigh()
+//        footerView.axis = .horizontal
+//        footerView.alignment = .center
+//        addArrangedSubview(footerView)
+//        footerView.setContentHuggingVerticalHigh()
+//        footerView.setCompressionResistanceVerticalHigh()
     }
 
     private func reloadStickers() {

SignalMessaging/ViewControllers/Stickers/StickerPackCollectionView.swift

@@ -21,19 +21,7 @@ public class StickerPackCollectionView: UICollectionView {
         didSet {
             AssertIsOnMainThread()
 
-            if let stickerPack = stickerPack {
-                // Only show installed stickers.
-                stickerInfos = StickerManager.installedStickers(forStickerPack: stickerPack)
-
-                // Download any missing stickers.
-                StickerManager.ensureDownloadsAsync(forStickerPack: stickerPack)
-            } else {
-                stickerInfos = []
-            }
-
-            Logger.verbose("---- stickerInfos: \(stickerInfos.count)")
-
-            self.reloadData()
+            reloadStickers()
         }
     }
 
@@ -79,12 +67,30 @@ public class StickerPackCollectionView: UICollectionView {
     @objc func stickersOrPacksDidChange() {
         AssertIsOnMainThread()
 
-        self.reloadData()
+        reloadStickers()
     }
 
     required public init(coder: NSCoder) {
         notImplemented()
     }
+
+    private func reloadStickers() {
+        AssertIsOnMainThread()
+
+        if let stickerPack = stickerPack {
+            // Only show installed stickers.
+            stickerInfos = StickerManager.installedStickers(forStickerPack: stickerPack)
+
+            // Download any missing stickers.
+            StickerManager.ensureDownloadsAsync(forStickerPack: stickerPack)
+        } else {
+            stickerInfos = []
+        }
+
+        Logger.verbose("---- stickerInfos: \(stickerInfos.count)")
+
+        reloadData()
+    }
 }
 
 // MARK: - UICollectionViewDelegate
@@ -192,7 +198,6 @@ extension StickerPackCollectionView {
         if (itemSize != flowLayout.itemSize) {
             flowLayout.itemSize = itemSize
             flowLayout.invalidateLayout()
-            reloadData()
         }
     }
 }