Merge pull request #635 from C4Framework/MutedMovie

Muted movie

Author: traviskirton

Diff for: C4/UI/Movie.swift

@@ -88,6 +88,21 @@ public class Movie: View {
         }
     }
 
+    /// Mute/Unmute the audio track.
+    ///
+    /// The default value of this property is `false`.
+    public var muted: Bool {
+        get {
+            guard let p = player else {
+                return false
+            }
+            return p.muted
+        }
+        set {
+            player?.muted = newValue
+        }
+    }
+
     var movieLayer: PlayerLayer {
         get {
             return self.movieView.movieLayer

Diff for: C4/UI/View.swift

@@ -101,9 +101,9 @@ public class View: NSObject {
 
         if let maskToCopy = viewToCopy.mask {
             if viewToCopy.mask is Shape {
-                mask = Shape(copy: viewToCopy.mask as! Shape)
+                mask = Shape(copy: viewToCopy.mask as! Shape) // swiftlint:disable:this force_cast
             } else if viewToCopy.mask is Image {
-                mask = Image(copy: viewToCopy.mask as! Image)
+                mask = Image(copy: viewToCopy.mask as! Image) // swiftlint:disable:this force_cast
             } else {
                 mask = View(copyView: maskToCopy)
             }
@@ -568,5 +568,3 @@ public class View: NSObject {
         zPosition = view.zPosition - 1
     }
 }
-
-