Support dark mode for small avatars on iOS

Shared/Extensions/RSImage-Extensions.swift

@@ -51,7 +51,7 @@ private extension RSImage {
 		let rect = CGRect(x: 0, y: 0, width: avatarSize, height: avatarSize)
 		UIGraphicsBeginImageContext(rect.size)
 		if let context = UIGraphicsGetCurrentContext() {
-			context.setFillColor(AppAssets.avatarLightBackgroundColor.cgColor)
+			context.setFillColor(AppAssets.avatarBackgroundColor.cgColor)
 			context.fill(rect)
 			context.translateBy(x: 0.0, y: CGFloat(integerLiteral: avatarSize));
 			context.scaleBy(x: 1.0, y: -1.0)

iOS/AppAssets.swift

@@ -10,14 +10,10 @@ import RSCore
 
 struct AppAssets {
 
-	static var avatarDarkBackgroundColor: UIColor {
-		return UIColor(named: "avatarDarkBackgroundColor")!
-	}
+	static var avatarBackgroundColor: UIColor = {
+		return UIColor(named: "avatarBackgroundColor")!
+	}()
 
-	static var avatarLightBackgroundColor: UIColor {
-		return UIColor(named: "avatarLightBackgroundColor")!
-	}
-	
 	static var circleClosedImage: RSImage = {
 		return RSImage(named: "circleClosedImage")!
 	}()

iOS/MasterTimeline/MasterTimelineViewController.swift

@@ -73,6 +73,19 @@ class MasterTimelineViewController: ProgressTableViewController, UndoableCommand
 		}
 	}
 	
+	override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
+		super.traitCollectionDidChange(previousTraitCollection)
+		
+		if traitCollection.userInterfaceStyle != previousTraitCollection?.userInterfaceStyle {
+			appDelegate.authorAvatarDownloader.resetCache()
+			appDelegate.feedIconDownloader.resetCache()
+			appDelegate.faviconDownloader.resetCache()
+			performBlockAndRestoreSelection {
+				tableView.reloadData()
+			}
+		}
+	}
+	
 	// MARK Actions
 
 	@IBAction func markAllAsRead(_ sender: Any) {

iOS/Resources/Assets.xcassets/avatarBackgroundColor.colorset/Contents.json

@@ -0,0 +1,38 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  },
+  "colors" : [
+    {
+      "idiom" : "universal",
+      "color" : {
+        "color-space" : "srgb",
+        "components" : {
+          "red" : "242",
+          "alpha" : "1.000",
+          "blue" : "242",
+          "green" : "242"
+        }
+      }
+    },
+    {
+      "idiom" : "universal",
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "color" : {
+        "color-space" : "srgb",
+        "components" : {
+          "red" : "56",
+          "alpha" : "1.000",
+          "blue" : "56",
+          "green" : "56"
+        }
+      }
+    }
+  ]
+}

iOS/Resources/Assets.xcassets/avatarDarkBackgroundColor.colorset/Contents.json

@@ -1,20 +0,0 @@
-{
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  },
-  "colors" : [
-    {
-      "idiom" : "universal",
-      "color" : {
-        "color-space" : "srgb",
-        "components" : {
-          "red" : "56",
-          "alpha" : "1.000",
-          "blue" : "56",
-          "green" : "56"
-        }
-      }
-    }
-  ]
-}

iOS/Resources/Assets.xcassets/avatarLightBackgroundColor.colorset/Contents.json

@@ -1,20 +0,0 @@
-{
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  },
-  "colors" : [
-    {
-      "idiom" : "universal",
-      "color" : {
-        "color-space" : "srgb",
-        "components" : {
-          "red" : "242",
-          "alpha" : "1.000",
-          "blue" : "242",
-          "green" : "242"
-        }
-      }
-    }
-  ]
-}