Real assets

// FREEBIE

Signal/Images.xcassets/ic_gallery_badge_gif.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "icon_GIF@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "icon_GIF@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "icon_GIF@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Signal/Images.xcassets/ic_gallery_badge_video.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "icon_video@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "icon_video@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "icon_video@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Signal/src/ViewControllers/MediaTileViewController.swift

@@ -555,29 +555,22 @@ fileprivate class MediaGalleryCell: UICollectionViewCell {
     private var tapGesture: UITapGestureRecognizer!
 
     private let badgeView: UIImageView
+    private let gradientView: GradientView
 
     private var item: MediaGalleryItem?
     public weak var delegate: MediaGalleryCellDelegate?
 
-    // TODO real icons
-    let videoBadgeImage = #imageLiteral(resourceName: "video-video-selected")
-    let animatedBadgeImage = #imageLiteral(resourceName: "video-mute-selected")
+    static let videoBadgeImage = #imageLiteral(resourceName: "ic_gallery_badge_video")
+    static let animatedBadgeImage = #imageLiteral(resourceName: "ic_gallery_badge_gif")
 
     override init(frame: CGRect) {
         self.imageView = UIImageView()
         imageView.contentMode = .scaleAspectFill
 
         self.badgeView = UIImageView()
-        badgeView.contentMode = .scaleAspectFit
         badgeView.isHidden = true
 
-        badgeView.backgroundColor = UIColor.white
-        let badgeLabel = UILabel()
-//        badgeLabel.text = "GIF"
-        badgeLabel.textColor = UIColor.gray
-        badgeLabel.adjustsFontSizeToFitWidth = true
-        badgeView.addSubview(badgeLabel)
-        badgeLabel.autoPinEdgesToSuperviewEdges()
+        self.gradientView = GradientView(from: .clear, to: UIColor.black.withAlphaComponent(0.5))
 
         super.init(frame: frame)
 
@@ -586,13 +579,20 @@ fileprivate class MediaGalleryCell: UICollectionViewCell {
 
         self.clipsToBounds = true
         self.contentView.addSubview(imageView)
+        self.contentView.addSubview(gradientView)
         self.contentView.addSubview(badgeView)
 
+        imageView.autoPinEdgesToSuperviewEdges()
+
+        gradientView.autoPinEdgesToSuperviewEdges(with: .zero, excludingEdge: .top)
+        gradientView.autoSetDimension(.height, toSize: 16)
+
+        // Note assets were rendered to match exactly. We don't want to re-size with
+        // content mode lest they become less legible.
+        let kBadgeSize = CGSize(width: 18, height: 12)
         badgeView.autoPinEdge(toSuperviewEdge: .leading, withInset: 3)
         badgeView.autoPinEdge(toSuperviewEdge: .bottom, withInset: 3)
-        badgeView.autoSetDimensions(to: CGSize(width: 15, height: 10))
-        badgeView.layer.cornerRadius = 2
-        imageView.autoPinEdgesToSuperviewEdges()
+        badgeView.autoSetDimensions(to: kBadgeSize)
     }
 
     @available(*, unavailable, message: "Unimplemented")
@@ -604,13 +604,16 @@ fileprivate class MediaGalleryCell: UICollectionViewCell {
         self.item = item
         self.imageView.image = item.thumbnailImage
         if item.isVideo {
+            self.gradientView.isHidden = false
             self.badgeView.isHidden = false
-//            self.badgeView.image = self.videoBadgeImage
+            self.badgeView.image = MediaGalleryCell.videoBadgeImage
         } else if item.isAnimated {
+            self.gradientView.isHidden = false
             self.badgeView.isHidden = false
-//            self.badgeView.image = self.animatedBadgeImage
+            self.badgeView.image = MediaGalleryCell.animatedBadgeImage
         } else {
             assert(item.isImage)
+            self.gradientView.isHidden = true
             self.badgeView.isHidden = true
         }
 

SignalMessaging/attachments/AttachmentApprovalViewController.swift

@@ -472,22 +472,23 @@ extension AttachmentApprovalViewController: UIScrollViewDelegate {
     }
 }
 
-private class GradientView: UIView {
+// TODO extract into it's own file
+public class GradientView: UIView {
 
     let gradientLayer = CAGradientLayer()
 
-    required init(from fromColor: UIColor, to toColor: UIColor) {
+    public required init(from fromColor: UIColor, to toColor: UIColor) {
         gradientLayer.colors = [fromColor.cgColor, toColor.cgColor]
         super.init(frame: CGRect.zero)
 
         self.layer.addSublayer(gradientLayer)
     }
 
-    required init?(coder aDecoder: NSCoder) {
+    public required init?(coder aDecoder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
 
-    override func layoutSubviews() {
+    public override func layoutSubviews() {
         super.layoutSubviews()
         gradientLayer.frame = self.bounds
     }