Use Gifu for GIF playback

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "Cache"]
 	path = Cache
 	url = git@github.com:hyperoslo/Cache.git
+[submodule "Gifu"]
+	path = Gifu
+	url = git://github.com/kaishin/Gifu.git

Gifu

@@ -0,0 +1 @@
+Subproject commit ed572f53ce58b8e23499abeb3a926033cbe480f7

Tusker.xcodeproj/project.pbxproj

@@ -115,6 +115,8 @@
 		D6A5FAF1217B7E05003DB2D9 /* ComposeViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = D6A5FAF0217B7E05003DB2D9 /* ComposeViewController.xib */; };
 		D6A5FAFB217B86CE003DB2D9 /* OnboardingViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = D6A5FAFA217B86CE003DB2D9 /* OnboardingViewController.xib */; };
 		D6B8DB342182A59300424AF7 /* UIAlertController+Visibility.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B8DB332182A59300424AF7 /* UIAlertController+Visibility.swift */; };
+		D6BC874521961F73006163F1 /* Gifu.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D6BC874421961F73006163F1 /* Gifu.framework */; };
+		D6BC874621961F73006163F1 /* Gifu.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = D6BC874421961F73006163F1 /* Gifu.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		D6BED170212663DA00F02DA0 /* SwiftSoup.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = D6BED16E212663DA00F02DA0 /* SwiftSoup.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		D6BED174212667E900F02DA0 /* StatusTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BED173212667E900F02DA0 /* StatusTableViewCell.swift */; };
 		D6C693CA2161253F007D6A6D /* SilentActionPermissionsTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693C92161253F007D6A6D /* SilentActionPermissionsTableViewController.swift */; };
@@ -194,6 +196,7 @@
 				04496BD0216252E5001F1B23 /* TTTAttributedLabel.framework in Embed Frameworks */,
 				D61099C12144B0CC00432DC2 /* Pachyderm.framework in Embed Frameworks */,
 				D6BED170212663DA00F02DA0 /* SwiftSoup.framework in Embed Frameworks */,
+				D6BC874621961F73006163F1 /* Gifu.framework in Embed Frameworks */,
 				0461A3912163CBAE00C0A807 /* Cache.framework in Embed Frameworks */,
 			);
 			name = "Embed Frameworks";
@@ -309,6 +312,7 @@
 		D6A5FAF0217B7E05003DB2D9 /* ComposeViewController.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = ComposeViewController.xib; sourceTree = "<group>"; };
 		D6A5FAFA217B86CE003DB2D9 /* OnboardingViewController.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = OnboardingViewController.xib; sourceTree = "<group>"; };
 		D6B8DB332182A59300424AF7 /* UIAlertController+Visibility.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIAlertController+Visibility.swift"; sourceTree = "<group>"; };
+		D6BC874421961F73006163F1 /* Gifu.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = Gifu.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		D6BED16E212663DA00F02DA0 /* SwiftSoup.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = SwiftSoup.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		D6BED173212667E900F02DA0 /* StatusTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusTableViewCell.swift; sourceTree = "<group>"; };
 		D6C693C92161253F007D6A6D /* SilentActionPermissionsTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SilentActionPermissionsTableViewController.swift; sourceTree = "<group>"; };
@@ -369,6 +373,7 @@
 				04496BCF216252E5001F1B23 /* TTTAttributedLabel.framework in Frameworks */,
 				D61099C02144B0CC00432DC2 /* Pachyderm.framework in Frameworks */,
 				D65A37F321472F300087646E /* SwiftSoup.framework in Frameworks */,
+				D6BC874521961F73006163F1 /* Gifu.framework in Frameworks */,
 				0461A3902163CBAE00C0A807 /* Cache.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -742,6 +747,7 @@
 		D6D4DDC3212518A000E1C4BB = {
 			isa = PBXGroup;
 			children = (
+				D6BC874421961F73006163F1 /* Gifu.framework */,
 				0461A38F2163CBAE00C0A807 /* Cache.framework */,
 				D6BED16E212663DA00F02DA0 /* SwiftSoup.framework */,
 				D61099AC2144B0CC00432DC2 /* Pachyderm */,

Tusker.xcworkspace/contents.xcworkspacedata

@@ -10,4 +10,7 @@
    <FileRef
       location = "group:SwiftSoup/SwiftSoup.xcodeproj">
    </FileRef>
+   <FileRef
+      location = "group:Gifu/Gifu.xcodeproj">
+   </FileRef>
 </Workspace>

Tusker/AppRouter.swift

@@ -91,6 +91,13 @@ class AppRouter {
         return vc
     }
     
+    func largeImage(gifData: Data, description: String?, sourceFrame: CGRect, sourceCornerRadius: CGFloat, transitioningDelegate: UIViewControllerTransitioningDelegate?) -> LargeImageViewController {
+        let vc = LargeImageViewController(image: UIImage(data: gifData)!, description: description, sourceFrame: sourceFrame, sourceCornerRadius: sourceCornerRadius, router: self)
+        vc.gifData = gifData
+        vc.transitioningDelegate = transitioningDelegate
+        return vc
+    }
+    
     func moreOptions(forStatus statusID: String) -> UIAlertController {
         guard let status = MastodonCache.status(for: statusID) else { fatalError("Missing cached status \(statusID)") }
         

Tusker/Caching/ImageCache.swift

@@ -15,45 +15,45 @@ class ImageCache {
     static let headers = ImageCache(name: "Headers", memoryExpiry: .seconds(60 * 60), diskExpiry: .seconds(60 * 60 * 24))
     static let attachments = ImageCache(name: "Attachments", memoryExpiry: .seconds(60 * 2))
 
-    let cache: Cache<UIImage>
+    let cache: Cache<Data>
     
     var requests = [URL: Request]()
     
     init(name: String, memoryExpiry expiry: Expiry) {
-        let storage = MemoryStorage<UIImage>(config: MemoryConfig(expiry: expiry))
+        let storage = MemoryStorage<Data>(config: MemoryConfig(expiry: expiry))
         self.cache = .memory(storage)
     }
     
     init(name: String, diskExpiry expiry: Expiry) {
-        let storage = try! DiskStorage<UIImage>(config: DiskConfig(name: name, expiry: expiry), transformer: TransformerFactory.forImage())
+        let storage = try! DiskStorage<Data>(config: DiskConfig(name: name, expiry: expiry), transformer: TransformerFactory.forData())
         self.cache = .disk(storage)
     }
     
     init(name: String, memoryExpiry: Expiry, diskExpiry: Expiry) {
-        let memory = MemoryStorage<UIImage>(config: MemoryConfig(expiry: memoryExpiry))
+        let memory = MemoryStorage<Data>(config: MemoryConfig(expiry: memoryExpiry))
-        let disk = try! DiskStorage<UIImage>(config: DiskConfig(name: name, expiry: diskExpiry), transformer: TransformerFactory.forImage())
+        let disk = try! DiskStorage<Data>(config: DiskConfig(name: name, expiry: diskExpiry), transformer: TransformerFactory.forData())
         self.cache = .hybrid(HybridStorage(memoryStorage: memory, diskStorage: disk))
     }
     
-    func get(_ url: URL, completion: ((UIImage?) -> Void)?) {
+    func get(_ url: URL, completion: ((Data?) -> Void)?) {
         let key = url.absoluteString
         if (try? cache.existsObject(forKey: key)) ?? false,
-            let image = try? cache.object(forKey: key) {
+            let data = try? cache.object(forKey: key) {
-            completion?(image)
+            completion?(data)
         } else {
             if let completion = completion, let request = requests[url] {
                 request.callbacks.append(completion)
             } else {
                 let request = Request(url: url, completion: completion)
                 requests[url] = request
-                request.run { (image) in
+                request.run { (data) in
-                    try? self.cache.setObject(image, forKey: key)
+                    try? self.cache.setObject(data, forKey: key)
                 }
             }
         }
     }
     
-    func get(_ url: URL) -> UIImage? {
+    func get(_ url: URL) -> Data? {
         return try? cache.object(forKey: url.absoluteString)
     }
     
@@ -64,9 +64,9 @@ class ImageCache {
     class Request {
         let url: URL
         var task: URLSessionDataTask?
-        var callbacks: [(UIImage?) -> Void]
+        var callbacks: [(Data?) -> Void]
         
-        init(url: URL, completion: ((UIImage?) -> Void)?) {
+        init(url: URL, completion: ((Data?) -> Void)?) {
             if let completion = completion {
                 self.callbacks = [completion]
             } else {
@@ -75,14 +75,14 @@ class ImageCache {
             self.url = url
         }
         
-        func run(cache: @escaping (UIImage) -> Void) {
+        func run(cache: @escaping (Data) -> Void) {
             task = URLSession.shared.dataTask(with: url, completionHandler: { (data, response, error) in
-                guard error == nil, let data = data, let image = UIImage(data: data) else {
+                guard error == nil, let data = data else {
                     self.complete(with: nil)
                     return
                 }
-                cache(image)
+                cache(data)
-                self.complete(with: image)
+                self.complete(with: data)
             })
             task!.resume()
         }
@@ -92,8 +92,8 @@ class ImageCache {
             complete(with: nil)
         }
         
-        func complete(with image: UIImage?) {
+        func complete(with data: Data?) {
-            callbacks.forEach { $0(image) }
+            callbacks.forEach { $0(data) }
         }
     }
     

Tusker/Screens/Compose/ComposeViewController.swift

@@ -98,9 +98,10 @@ class ComposeViewController: UIViewController {
             inReplyToAvatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: inReplyToAvatarImageView)
             inReplyToAvatarImageView.layer.masksToBounds = true
             inReplyToAvatarImageView.image = nil
-            ImageCache.avatars.get(inReplyTo.account.avatar) { (image) in
+            ImageCache.avatars.get(inReplyTo.account.avatar) { (data) in
+                guard let data = data else { return }
                 DispatchQueue.main.async {
-                    self.inReplyToAvatarImageView.image = image
+                    self.inReplyToAvatarImageView.image = UIImage(data: data)
                 }
             }
             inReplyToLabel.text = "In reply to \(inReplyTo.account.realDisplayName)"

Tusker/Screens/Large Image/LargeImageViewController.swift

@@ -8,6 +8,7 @@
 
 import UIKit
 import Photos
+import Gifu
 
 class LargeImageViewController: UIViewController, UIScrollViewDelegate {
 
@@ -18,7 +19,7 @@ class LargeImageViewController: UIViewController, UIScrollViewDelegate {
     var dismissInteractionController: LargeImageInteractionController?
     
     @IBOutlet weak var scrollView: UIScrollView!
-    @IBOutlet weak var imageView: UIImageView!
+    @IBOutlet weak var imageView: GIFImageView!
     @IBOutlet weak var imageViewLeadingConstraint: NSLayoutConstraint!
     @IBOutlet weak var imageViewTrailingConstraint: NSLayoutConstraint!
     @IBOutlet weak var imageViewTopConstraint: NSLayoutConstraint!
@@ -39,6 +40,7 @@ class LargeImageViewController: UIViewController, UIScrollViewDelegate {
     var initializedTopControlsConstrains = false
     
     var image: UIImage?
+    var gifData: Data?
     var imageDescription: String?
     
     var controlsVisible = true {
@@ -70,6 +72,16 @@ class LargeImageViewController: UIViewController, UIScrollViewDelegate {
         super.init(nibName: "LargeImageViewController", bundle: nil)
     }
     
+//    init(gifData: Data?, description: String?, sourceFrame: CGRect, sourceCornerRadius: CGFloat, router: AppRouter) {
+//        self.router = router
+//        self.gifData = gifData
+//        self.imageDescription = description
+//        self.originFrame = sourceFrame
+//        self.originCornerRadius = sourceCornerRadius
+//        
+//        super.init(nibName: "LargeImageViewController", bundle: nil)
+//    }
+    
     required init?(coder aDecoder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
@@ -78,8 +90,12 @@ class LargeImageViewController: UIViewController, UIScrollViewDelegate {
         super.viewDidLoad()
 
         imageView.image = image
+        if let gifData = gifData {
+            imageView.animate(withGIFData: gifData)
+        }
+        
         scrollView.delegate = self
-        imageView.bounds = CGRect(origin: .zero, size: image!.size)
+        imageView.bounds = CGRect(origin: .zero, size: imageView.image!.size)
         
         if let imageDescription = imageDescription {
             descriptionLabel.text = imageDescription

Tusker/Screens/Large Image/LargeImageViewController.xib

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="14460.30.1" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="14460.31" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
     <device id="retina4_7" orientation="portrait">
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14460.19.1"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14460.20"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -38,7 +38,7 @@
                 <scrollView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" ambiguous="YES" minimumZoomScale="0.25" maximumZoomScale="2" translatesAutoresizingMaskIntoConstraints="NO" id="Skj-xq-AgQ">
                     <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                     <subviews>
-                        <imageView contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" ambiguous="YES" translatesAutoresizingMaskIntoConstraints="NO" id="qcn-1t-3sS">
+                        <imageView contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" ambiguous="YES" translatesAutoresizingMaskIntoConstraints="NO" id="qcn-1t-3sS" customClass="GIFImageView" customModule="Gifu">
                             <rect key="frame" x="0.0" y="-10" width="375" height="647"/>
                             <gestureRecognizers/>
                         </imageView>

Tusker/Screens/Large Image/Transitions/LargeImageExpandAnimationController.swift

@@ -7,6 +7,7 @@
 //
 
 import UIKit
+import Gifu
 
 class LargeImageExpandAnimationController: NSObject, UIViewControllerAnimatedTransitioning {
     
@@ -23,14 +24,17 @@ class LargeImageExpandAnimationController: NSObject, UIViewControllerAnimatedTra
         
         let containerView = transitionContext.containerView
         let finalVCFrame = transitionContext.finalFrame(for: toVC)
-        let image = toVC.image!
+        let image = toVC.imageView.image!
         let ratio = image.size.width / image.size.height
         let width = finalVCFrame.width
         let height = width / ratio
         let finalFrame = CGRect(x: finalVCFrame.midX - width / 2, y: finalVCFrame.midY - height / 2, width: width, height: height)
         
-        let imageView = UIImageView(frame: originFrame)
+        let imageView = GIFImageView(frame: originFrame)
-        imageView.image = toVC.image!
+        imageView.image = toVC.imageView.image!
+        if let gifData = toVC.gifData {
+            imageView.animate(withGIFData: gifData)
+        }
         imageView.contentMode = .scaleAspectFill
         imageView.layer.cornerRadius = toVC.originCornerRadius!
         imageView.layer.masksToBounds = true

Tusker/Screens/Large Image/Transitions/LargeImageShrinkAnimationController.swift

@@ -7,6 +7,7 @@
 //
 
 import UIKit
+import Gifu
 
 class LargeImageShrinkAnimationController: NSObject, UIViewControllerAnimatedTransitioning {
     
@@ -36,8 +37,11 @@ class LargeImageShrinkAnimationController: NSObject, UIViewControllerAnimatedTra
         let height = width / ratio
         let originalFrame = CGRect(x: originalVCFrame.midX - width / 2, y: originalVCFrame.midY - height / 2, width: width, height: height)
         
-        let imageView = UIImageView(frame: originalFrame)
+        let imageView = GIFImageView(frame: originalFrame)
         imageView.image = fromVC.image!
+        if let gifData = fromVC.gifData {
+            imageView.animate(withGIFData: gifData)
+        }
         imageView.contentMode = .scaleAspectFill
         imageView.layer.cornerRadius = 0
         imageView.layer.masksToBounds = true

Tusker/TuskerNavigationDelegate.swift

@@ -30,8 +30,12 @@ protocol TuskerNavigationDelegate {
     
     func largeImage(_ image: UIImage, description: String?, sourceView: UIView) -> LargeImageViewController
     
+    func largeImage(gifData: Data, description: String?, sourceView: UIView) -> LargeImageViewController
+    
     func showLargeImage(_ image: UIImage, description: String?, animatingFrom sourceView: UIView)
     
+    func showLargeImage(gifData: Data, description: String?, animatingFrom sourceView: UIView)
+    
     func showMoreOptions(forStatus statusID: String)
     
     func showMoreOptions(forURL url: URL)
@@ -95,10 +99,28 @@ extension TuskerNavigationDelegate where Self: UIViewController {
         return router.largeImage(image, description: description, sourceFrame: sourceFrame, sourceCornerRadius: sourceCornerRadius, transitioningDelegate: self)
     }
     
+    func largeImage(gifData: Data, description: String?, sourceView: UIView) -> LargeImageViewController {
+        var sourceFrame = sourceView.convert(sourceView.bounds, to: view)
+        if let scrollView = view as? UIScrollView {
+            let scale = scrollView.zoomScale
+            let width = sourceFrame.width * scale
+            let height = sourceFrame.height * scale
+            let x = sourceFrame.minX * scale - scrollView.contentOffset.x + scrollView.frame.minX
+            let y = sourceFrame.minY * scale - scrollView.contentOffset.y + scrollView.frame.minY
+            sourceFrame = CGRect(x: x, y: y, width: width, height: height)
+        }
+        let sourceCornerRadius = sourceView.layer.cornerRadius
+        return router.largeImage(gifData: gifData, description: description, sourceFrame: sourceFrame, sourceCornerRadius: sourceCornerRadius, transitioningDelegate: self)
+    }
+    
     func showLargeImage(_ image: UIImage, description: String?, animatingFrom sourceView: UIView) {
         router.present(largeImage(image, description: description, sourceView: sourceView), animated: true)
     }
     
+    func showLargeImage(gifData: Data, description: String?, animatingFrom sourceView: UIView) {
+        router.present(largeImage(gifData: gifData, description: description, sourceView: sourceView), animated: true)
+    }
+    
     func showMoreOptions(forStatus statusID: String) {
         router.present(router.moreOptions(forStatus: statusID), animated: true)
     }

Tusker/Views/AttachmentView.swift

@@ -8,16 +8,20 @@
 
 import UIKit
 import Pachyderm
+import Gifu
 
 protocol AttachmentViewDelegate {
     func showLargeAttachment(for attachmentView: AttachmentView)
 }
 
-class AttachmentView: UIImageView {
+class AttachmentView: UIImageView, GIFAnimatable {
     
     var delegate: AttachmentViewDelegate?
     
     var attachment: Attachment!
+    var gifData: Data?
+    
+    public lazy var animator: Animator? = Animator(withDelegate: self)
     
     required init?(coder aDecoder: NSCoder) {
         super.init(coder: aDecoder)
@@ -43,12 +47,22 @@ class AttachmentView: UIImageView {
     }
     
     func loadImage() {
-        ImageCache.attachments.get(attachment.url) { (image) in
+        ImageCache.attachments.get(attachment.url) { (data) in
+            guard let data = data else { return }
             DispatchQueue.main.async {
-                self.image = image
+                if self.attachment.url.pathExtension == "gif" {
+                    self.animate(withGIFData: data)
+                    self.gifData = data
+                } else {
+                    self.image = UIImage(data: data)
                 }
             }
         }
+    }
+    
+    override func display(_ layer: CALayer) {
+        updateImageIfNeeded()
+    }
     
     @objc func imagePressed() {
         if image != nil {

Tusker/Views/Notifications/ActionNotificationTableViewCell.swift

@@ -79,17 +79,19 @@ class ActionNotificationTableViewCell: UITableViewCell, PreferencesAdaptive {
         usernameLabel.text = "@\(status.account.acct)"
         opAvatarImageView.image = nil
         opAvatarURL = status.account.avatar
-        ImageCache.avatars.get(status.account.avatar) { (image) in
+        ImageCache.avatars.get(status.account.avatar) { (data) in
+            guard let data = data else { return }
             DispatchQueue.main.async {
-                self.opAvatarImageView.image = image
+                self.opAvatarImageView.image = UIImage(data: data)
                 self.opAvatarURL = nil
             }
         }
         actionAvatarImageView.image = nil
         actionAvatarURL = notification.account.avatar
-        ImageCache.avatars.get(notification.account.avatar) { (image) in
+        ImageCache.avatars.get(notification.account.avatar) { (data) in
+            guard let data = data else { return }
             DispatchQueue.main.async {
-                self.actionAvatarImageView.image = image
+                self.actionAvatarImageView.image = UIImage(data: data)
                 self.actionAvatarURL = nil
             }
         }

Tusker/Views/Notifications/FollowNotificationTableViewCell.swift

@@ -51,9 +51,10 @@ class FollowNotificationTableViewCell: UITableViewCell, PreferencesAdaptive {
         usernameLabel.text = "@\(account.acct)"
         avatarImageView.image = nil
         avatarURL = account.avatar
-        ImageCache.avatars.get(account.avatar) { (image) in
+        ImageCache.avatars.get(account.avatar) { (data) in
+            guard let data = data else { return }
             DispatchQueue.main.async {
-                self.avatarImageView.image = image
+                self.avatarImageView.image = UIImage(data: data)
                 self.avatarURL = nil
             }
         }

Tusker/Views/Profile Header/ProfileHeaderTableViewCell.swift

@@ -61,15 +61,17 @@ class ProfileHeaderTableViewCell: UITableViewCell, PreferencesAdaptive {
         
         avatarImageView.image = nil
         avatarURL = account.avatar
-        ImageCache.avatars.get(account.avatar) { (image) in
+        ImageCache.avatars.get(account.avatar) { (data) in
+            guard let data = data else { return }
             DispatchQueue.main.async {
-                self.avatarImageView.image = image
+                self.avatarImageView.image = UIImage(data: data)
                 self.avatarURL = nil
             }
         }
-        ImageCache.headers.get(account.header) { (image) in
+        ImageCache.headers.get(account.header) { (data) in
+            guard let data = data else { return }
             DispatchQueue.main.async {
-                self.headerImageView.image = image
+                self.headerImageView.image = UIImage(data: data)
                 self.headerURL = nil
             }
         }

Tusker/Views/Status/ConversationMainStatusTableViewCell.swift

@@ -80,9 +80,10 @@ class ConversationMainStatusTableViewCell: UITableViewCell, PreferencesAdaptive
         usernameLabel.text = "@\(account.acct)"
         avatarImageView.image = nil
         avatarURL = account.avatar
-        ImageCache.avatars.get(account.avatar) { (image) in
+        ImageCache.avatars.get(account.avatar) { (data) in
+            guard let data = data else { return }
             DispatchQueue.main.async {
-                self.avatarImageView.image = image
+                self.avatarImageView.image = UIImage(data: data)
                 self.avatarURL = nil
             }
         }
@@ -221,9 +222,13 @@ class ConversationMainStatusTableViewCell: UITableViewCell, PreferencesAdaptive
 
 extension ConversationMainStatusTableViewCell: AttachmentViewDelegate {
     func showLargeAttachment(for attachmentView: AttachmentView) {
+        if let gifData = attachmentView.gifData {
+            delegate?.showLargeImage(gifData: gifData, description: attachmentView.attachment.description, animatingFrom: attachmentView)
+        } else {
             delegate?.showLargeImage(attachmentView.image!, description: attachmentView.attachment.description, animatingFrom: attachmentView)
         }
     }
+}
 
 extension ConversationMainStatusTableViewCell: PreviewViewControllerProvider {
     func getPreviewViewController(forLocation location: CGPoint, sourceViewController: UIViewController) -> UIViewController? {

Tusker/Views/Status/StatusTableViewCell.swift

@@ -97,9 +97,10 @@ class StatusTableViewCell: UITableViewCell, PreferencesAdaptive {
         usernameLabel.text = "@\(account.acct)"
         avatarImageView.image = nil
         avatarURL = account.avatar
-        ImageCache.avatars.get(account.avatar) { (image) in
+        ImageCache.avatars.get(account.avatar) { (data) in
+            guard let data = data else { return }
             DispatchQueue.main.async {
-                self.avatarImageView.image = image
+                self.avatarImageView.image = UIImage(data: data)
                 self.avatarURL = nil
             }
         }
@@ -352,9 +353,13 @@ extension StatusTableViewCell: TableViewSwipeActionProvider {
 
 extension StatusTableViewCell: AttachmentViewDelegate {
     func showLargeAttachment(for attachmentView: AttachmentView) {
+        if let gifData = attachmentView.gifData {
+            delegate?.showLargeImage(gifData: gifData, description: attachmentView.attachment.description, animatingFrom: attachmentView)
+        } else {
             delegate?.showLargeImage(attachmentView.image!, description: attachmentView.attachment.description, animatingFrom: attachmentView)
         }
     }
+}
 
 extension StatusTableViewCell: PreviewViewControllerProvider {
     func getPreviewViewController(forLocation location: CGPoint, sourceViewController: UIViewController) -> UIViewController? {