Sketch out GIF picker.

// FREEBIE

Signal.xcodeproj/project.pbxproj

@@ -13,6 +13,7 @@
 		340CB2241EAC155C0001CAA1 /* ContactsViewHelper.m in Sources */ = {isa = PBXBuildFile; fileRef = 340CB2231EAC155C0001CAA1 /* ContactsViewHelper.m */; };
 		340CB2271EAC25820001CAA1 /* UpdateGroupViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 340CB2261EAC25820001CAA1 /* UpdateGroupViewController.m */; };
 		341207271EE19F6A00463194 /* OWSSystemMessageCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 341207261EE19F6A00463194 /* OWSSystemMessageCell.m */; };
+		341B057C1F78A3B5007D3F7A /* GifPickerViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 341B057B1F78A3B5007D3F7A /* GifPickerViewController.swift */; };
 		341BB7491DB727EE001E2975 /* JSQMediaItem+OWS.m in Sources */ = {isa = PBXBuildFile; fileRef = 341BB7481DB727EE001E2975 /* JSQMediaItem+OWS.m */; };
 		341F2C0F1F2B8AE700D07D6B /* DebugUIMisc.m in Sources */ = {isa = PBXBuildFile; fileRef = 341F2C0E1F2B8AE700D07D6B /* DebugUIMisc.m */; };
 		342FCE6B1EF9C375002690AD /* OWS105AttachmentFilePaths.m in Sources */ = {isa = PBXBuildFile; fileRef = 342FCE6A1EF9C375002690AD /* OWS105AttachmentFilePaths.m */; };
@@ -413,6 +414,7 @@
 		340CB2261EAC25820001CAA1 /* UpdateGroupViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = UpdateGroupViewController.m; sourceTree = "<group>"; };
 		341207251EE19F6A00463194 /* OWSSystemMessageCell.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; lineEnding = 0; path = OWSSystemMessageCell.h; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objcpp; };
 		341207261EE19F6A00463194 /* OWSSystemMessageCell.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; lineEnding = 0; path = OWSSystemMessageCell.m; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objc; };
+		341B057B1F78A3B5007D3F7A /* GifPickerViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GifPickerViewController.swift; sourceTree = "<group>"; };
 		341BB7471DB727EE001E2975 /* JSQMediaItem+OWS.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "JSQMediaItem+OWS.h"; sourceTree = "<group>"; };
 		341BB7481DB727EE001E2975 /* JSQMediaItem+OWS.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "JSQMediaItem+OWS.m"; sourceTree = "<group>"; };
 		341F2C0D1F2B8AE700D07D6B /* DebugUIMisc.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DebugUIMisc.h; sourceTree = "<group>"; };
@@ -1030,6 +1032,7 @@
 				34E8BF371EE9E2FD00F5F4CA /* FingerprintViewScanController.m */,
 				34B3F8471E8DF1700035BE1A /* FullImageViewController.h */,
 				34B3F8481E8DF1700035BE1A /* FullImageViewController.m */,
+				341B057B1F78A3B5007D3F7A /* GifPickerViewController.swift */,
 				34B3F86F1E8DF1700035BE1A /* HomeViewController.h */,
 				34B3F8701E8DF1700035BE1A /* HomeViewController.m */,
 				34B3F8491E8DF1700035BE1A /* InboxTableViewCell.h */,
@@ -2209,6 +2212,7 @@
 				34D99C931F2937CC00D284D6 /* OWSAnalytics.swift in Sources */,
 				34D9134B1F62D4A500722898 /* SignalAttachment.swift in Sources */,
 				34B3F88E1E8DF1700035BE1A /* PrivacySettingsTableViewController.m in Sources */,
+				341B057C1F78A3B5007D3F7A /* GifPickerViewController.swift in Sources */,
 				4505C2C21E648F7A00CEBF41 /* ExperienceUpgradeFinder.swift in Sources */,
 				341F2C0F1F2B8AE700D07D6B /* DebugUIMisc.m in Sources */,
 				34E3EF0D1EFC235B007F6822 /* DebugUIDiskUsage.m in Sources */,

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

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

Signal/src/ViewControllers/ConversationView/ConversationViewController.m

@@ -3203,6 +3203,15 @@ typedef NS_ENUM(NSInteger, MessagesRangeSizeMode) {
     [self presentViewController:menuController animated:YES completion:nil];
 }
 
+#pragma mark - Attachment Picking: GIFs
+
+- (void)showGifPicker
+{
+    GifPickerViewController *view = [GifPickerViewController new];
+    UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:view];
+    [self presentViewController:navigationController animated:YES completion:nil];
+}
+
 #pragma mark UIDocumentMenuDelegate
 
 - (void)documentMenu:(UIDocumentMenuViewController *)documentMenu
@@ -4042,6 +4051,22 @@ typedef NS_ENUM(NSInteger, MessagesRangeSizeMode) {
     [chooseDocumentAction setValue:chooseDocumentImage forKey:@"image"];
     [actionSheetController addAction:chooseDocumentAction];
 
+#ifdef DEBUG
+    UIAlertAction *gifAction =
+        // TODO:
+        [UIAlertAction actionWithTitle:NSLocalizedString(@"SELECT_GIF_BUTTON",
+                                           @"Label for 'select gif to attach' action sheet button")
+                                 style:UIAlertActionStyleDefault
+                               handler:^(UIAlertAction *_Nonnull action) {
+                                   [self showGifPicker];
+                               }];
+    // TODO:
+    UIImage *gifImage = [UIImage imageNamed:@"actionsheet_gif_black"];
+    OWSAssert(gifImage);
+    [gifAction setValue:gifImage forKey:@"image"];
+    [actionSheetController addAction:gifAction];
+#endif
+
     [self presentViewController:actionSheetController animated:true completion:nil];
 }
 

Signal/src/ViewControllers/GifPickerViewController.swift

@@ -0,0 +1,535 @@
+//
+//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//
+
+import Foundation
+//import MediaPlayer
+
+class GifPickerViewController: OWSViewController, UISearchBarDelegate
+//, OWSAudioAttachmentPlayerDelegate
+{
+    let TAG = "[GifPickerViewController]"
+
+    // MARK: Properties
+
+    let searchBar: UISearchBar
+    let collectionView: UICollectionView
+
+//    let attachment: SignalAttachment
+//
+//    var successCompletion : (() -> Void)?
+//
+//    var videoPlayer: MPMoviePlayerController?
+//
+//    var audioPlayer: OWSAudioAttachmentPlayer?
+//    var audioStatusLabel: UILabel?
+//    var audioPlayButton: UIButton?
+//    var isAudioPlayingFlag = false
+//    var isAudioPaused = false
+//    var audioProgressSeconds: CGFloat = 0
+//    var audioDurationSeconds: CGFloat = 0
+
+    // MARK: Initializers
+
+    @available(*, unavailable, message:"use attachment: constructor instead.")
+    required init?(coder aDecoder: NSCoder) {
+        self.searchBar = UISearchBar()
+        self.collectionView = UICollectionView()
+//        self.attachment = SignalAttachment.empty()
+        super.init(coder: aDecoder)
+        owsFail("\(self.TAG) invalid constructor")
+    }
+
+    required init() {
+        self.searchBar = UISearchBar()
+        self.collectionView = UICollectionView()
+//        assert(!attachment.hasError)
+//        self.attachment = attachment
+//        self.successCompletion = successCompletion
+        super.init(nibName: nil, bundle: nil)
+    }
+
+    // MARK: View Lifecycle
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        view.backgroundColor = UIColor.white
+
+        self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem:.stop,
+                                                                target:self,
+                                                                action:#selector(donePressed))
+        self.navigationItem.title = NSLocalizedString("GIF_PICKER_VIEW_TITLE",
+                                                      comment: "Title for the 'gif picker' dialog.")
+
+        createViews()
+    }
+
+    // MARK: Views
+
+    private func createViews() {
+//        @property (nonatomic, readonly) UISearchBar *searchBar;
+
+        view.backgroundColor = UIColor.white
+
+        // Search
+        searchBar.searchBarStyle = .minimal
+        searchBar.delegate = self
+        searchBar.placeholder = NSLocalizedString("GIF_VIEW_SEARCH_PLACEHOLDER_TEXT",
+                                                  comment:"Placeholder text for the search field in gif view")
+        searchBar.backgroundColor = UIColor.white
+        self.view.addSubview(searchBar)
+        searchBar.autoPinWidthToSuperview()
+        searchBar.autoPin(toTopLayoutGuideOf: self, withInset:0)
+//        [searchBar sizeToFit];
+
+//        _tableViewController = [OWSTableViewController new];
+//        _tableViewController.delegate = self;
+//        _tableViewController.tableViewStyle = UITableViewStylePlain;
+//        [self.view addSubview:self.tableViewController.view];
+//        [_tableViewController.view autoPinWidthToSuperview];
+//        
+//        [_tableViewController.view autoPinEdge:ALEdgeTop toEdge:ALEdgeBottom ofView:contactsPermissionReminderView];
+//        [_tableViewController.view autoPinToBottomLayoutGuideOfViewController:self withInset:0];
+//        _tableViewController.tableView.tableHeaderView = searchBar;
+//        
+//        _noSignalContactsView = [self createNoSignalContactsView];
+//        self.noSignalContactsView.hidden = YES;
+//        [self.view addSubview:self.noSignalContactsView];
+//        [self.noSignalContactsView autoPinWidthToSuperview];
+//        [self.noSignalContactsView autoPinEdgeToSuperviewEdge:ALEdgeTop];
+//        [self.noSignalContactsView autoPinToBottomLayoutGuideOfViewController:self withInset:0];
+//        
+//        UIRefreshControl *pullToRefreshView = [UIRefreshControl new];
+//        pullToRefreshView.tintColor = [UIColor grayColor];
+//        [pullToRefreshView addTarget:self
+//            action:@selector(pullToRefreshPerformed:)
+//            forControlEvents:UIControlEventValueChanged];
+//        [self.tableViewController.tableView insertSubview:pullToRefreshView atIndex:0];
+//        
+//        [self updateTableContents];
+    }
+
+//    override func viewDidLoad() {
+//        super.viewDidLoad()
+//
+//        view.backgroundColor = UIColor.white
+//
+//        self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem:.stop,
+//                                                                target:self,
+//                                                                action:#selector(donePressed))
+//        self.navigationItem.title = dialogTitle()
+//
+//        createViews()
+//    }
+//
+//    private func dialogTitle() -> String {
+//        guard let filename = formattedFileName() else {
+//            return NSLocalizedString("ATTACHMENT_APPROVAL_DIALOG_TITLE",
+//                                     comment: "Title for the 'attachment approval' dialog.")
+//        }
+//        return filename
+//    }
+//
+//    override func viewWillAppear(_ animated: Bool) {
+//        super.viewWillAppear(animated)
+//
+//        ViewControllerUtils.setAudioIgnoresHardwareMuteSwitch(true)
+//    }
+//
+//    override func viewWillDisappear(_ animated: Bool) {
+//        super.viewWillDisappear(animated)
+//
+//        ViewControllerUtils.setAudioIgnoresHardwareMuteSwitch(false)
+//    }
+//
+//    // MARK: - Create Views
+//
+//    private func createViews() {
+//        let previewTopMargin: CGFloat = 30
+//        let previewHMargin: CGFloat = 20
+//
+//        let attachmentPreviewView = UIView()
+//        self.view.addSubview(attachmentPreviewView)
+//        attachmentPreviewView.autoPinWidthToSuperview(withMargin:previewHMargin)
+//        attachmentPreviewView.autoPin(toTopLayoutGuideOf: self, withInset:previewTopMargin)
+//
+//        createButtonRow(attachmentPreviewView:attachmentPreviewView)
+//
+//        if attachment.isAnimatedImage {
+//            createAnimatedPreview(attachmentPreviewView:attachmentPreviewView)
+//        } else if attachment.isImage {
+//            createImagePreview(attachmentPreviewView:attachmentPreviewView)
+//        } else if attachment.isVideo {
+//            createVideoPreview(attachmentPreviewView:attachmentPreviewView)
+//        } else if attachment.isAudio {
+//            createAudioPreview(attachmentPreviewView:attachmentPreviewView)
+//        } else {
+//            createGenericPreview(attachmentPreviewView:attachmentPreviewView)
+//        }
+//    }
+//
+//    private func wrapViewsInVerticalStack(subviews: [UIView]) -> UIView {
+//        assert(subviews.count > 0)
+//
+//        let stackView = UIView()
+//
+//        var lastView: UIView?
+//        for subview in subviews {
+//
+//            stackView.addSubview(subview)
+//            subview.autoHCenterInSuperview()
+//
+//            if lastView == nil {
+//                subview.autoPinEdge(toSuperviewEdge:.top)
+//            } else {
+//                subview.autoPinEdge(.top, to:.bottom, of:lastView!, withOffset:10)
+//            }
+//
+//            lastView = subview
+//        }
+//
+//        lastView?.autoPinEdge(toSuperviewEdge:.bottom)
+//
+//        return stackView
+//    }
+//
+//    private func createAudioPreview(attachmentPreviewView: UIView) {
+//        guard let dataUrl = attachment.dataUrl else {
+//            createGenericPreview(attachmentPreviewView:attachmentPreviewView)
+//            return
+//        }
+//
+//        audioPlayer = OWSAudioAttachmentPlayer(mediaUrl: dataUrl, delegate: self)
+//
+//        var subviews = [UIView]()
+//
+//        let audioPlayButton = UIButton()
+//        self.audioPlayButton = audioPlayButton
+//        setAudioIconToPlay()
+//        audioPlayButton.imageView?.layer.minificationFilter = kCAFilterTrilinear
+//        audioPlayButton.imageView?.layer.magnificationFilter = kCAFilterTrilinear
+//        audioPlayButton.addTarget(self, action:#selector(audioPlayButtonPressed), for:.touchUpInside)
+//        let buttonSize = createHeroViewSize()
+//        audioPlayButton.autoSetDimension(.width, toSize:buttonSize)
+//        audioPlayButton.autoSetDimension(.height, toSize:buttonSize)
+//        subviews.append(audioPlayButton)
+//
+//        let fileNameLabel = createFileNameLabel()
+//        if let fileNameLabel = fileNameLabel {
+//            subviews.append(fileNameLabel)
+//        }
+//
+//        let fileSizeLabel = createFileSizeLabel()
+//        subviews.append(fileSizeLabel)
+//
+//        let audioStatusLabel = createAudioStatusLabel()
+//        self.audioStatusLabel = audioStatusLabel
+//        updateAudioStatusLabel()
+//        subviews.append(audioStatusLabel)
+//
+//        let stackView = wrapViewsInVerticalStack(subviews:subviews)
+//        attachmentPreviewView.addSubview(stackView)
+//        fileNameLabel?.autoPinWidthToSuperview(withMargin: 32)
+//        stackView.autoPinWidthToSuperview()
+//        stackView.autoVCenterInSuperview()
+//    }
+//
+//    private func createAnimatedPreview(attachmentPreviewView: UIView) {
+//        guard attachment.isValidImage else {
+//            return
+//        }
+//        let data = attachment.data
+//        // Use Flipboard FLAnimatedImage library to display gifs
+//        guard let animatedImage = FLAnimatedImage(gifData:data) else {
+//            createGenericPreview(attachmentPreviewView:attachmentPreviewView)
+//            return
+//        }
+//        let animatedImageView = FLAnimatedImageView()
+//        animatedImageView.animatedImage = animatedImage
+//        animatedImageView.contentMode = .scaleAspectFit
+//        attachmentPreviewView.addSubview(animatedImageView)
+//        animatedImageView.autoPinWidthToSuperview()
+//        animatedImageView.autoPinHeightToSuperview()
+//    }
+//
+//    private func createImagePreview(attachmentPreviewView: UIView) {
+//        var image = attachment.image
+//        if image == nil {
+//            image = UIImage(data:attachment.data)
+//        }
+//        guard image != nil else {
+//            createGenericPreview(attachmentPreviewView:attachmentPreviewView)
+//            return
+//        }
+//
+//        let imageView = UIImageView(image:image)
+//        imageView.layer.minificationFilter = kCAFilterTrilinear
+//        imageView.layer.magnificationFilter = kCAFilterTrilinear
+//        imageView.contentMode = .scaleAspectFit
+//        attachmentPreviewView.addSubview(imageView)
+//        imageView.autoPinWidthToSuperview()
+//        imageView.autoPinHeightToSuperview()
+//    }
+//
+//    private func createVideoPreview(attachmentPreviewView: UIView) {
+//        guard let dataUrl = attachment.dataUrl else {
+//            createGenericPreview(attachmentPreviewView:attachmentPreviewView)
+//            return
+//        }
+//        guard let videoPlayer = MPMoviePlayerController(contentURL:dataUrl) else {
+//            createGenericPreview(attachmentPreviewView:attachmentPreviewView)
+//            return
+//        }
+//        videoPlayer.prepareToPlay()
+//
+//        videoPlayer.controlStyle = .default
+//        videoPlayer.shouldAutoplay = false
+//
+//        attachmentPreviewView.addSubview(videoPlayer.view)
+//        self.videoPlayer = videoPlayer
+//        videoPlayer.view.autoPinWidthToSuperview()
+//        videoPlayer.view.autoPinHeightToSuperview()
+//    }
+//
+//    private func createGenericPreview(attachmentPreviewView: UIView) {
+//        var subviews = [UIView]()
+//
+//        let imageView = createHeroImageView(imageName: "file-thin-black-filled-large")
+//        subviews.append(imageView)
+//
+//        let fileNameLabel = createFileNameLabel()
+//        if let fileNameLabel = fileNameLabel {
+//            subviews.append(fileNameLabel)
+//        }
+//
+//        let fileSizeLabel = createFileSizeLabel()
+//        subviews.append(fileSizeLabel)
+//
+//        let stackView = wrapViewsInVerticalStack(subviews:subviews)
+//        attachmentPreviewView.addSubview(stackView)
+//        fileNameLabel?.autoPinWidthToSuperview(withMargin: 32)
+//        stackView.autoPinWidthToSuperview()
+//        stackView.autoVCenterInSuperview()
+//    }
+//
+//    private func createHeroViewSize() -> CGFloat {
+//        return ScaleFromIPhone5To7Plus(175, 225)
+//    }
+//
+//    private func createHeroImageView(imageName: String) -> UIView {
+//        let imageSize = createHeroViewSize()
+//        let image = UIImage(named:imageName)
+//        assert(image != nil)
+//        let imageView = UIImageView(image:image)
+//        imageView.layer.minificationFilter = kCAFilterTrilinear
+//        imageView.layer.magnificationFilter = kCAFilterTrilinear
+//        imageView.layer.shadowColor = UIColor.black.cgColor
+//        let shadowScaling = 5.0
+//        imageView.layer.shadowRadius = CGFloat(2.0 * shadowScaling)
+//        imageView.layer.shadowOpacity = 0.25
+//        imageView.layer.shadowOffset = CGSize(width: 0.75 * shadowScaling, height: 0.75 * shadowScaling)
+//        imageView.autoSetDimension(.width, toSize:imageSize)
+//        imageView.autoSetDimension(.height, toSize:imageSize)
+//
+//        return imageView
+//    }
+//
+//    private func labelFont() -> UIFont {
+//        return UIFont.ows_regularFont(withSize:ScaleFromIPhone5To7Plus(18, 24))
+//    }
+//
+//    private func formattedFileExtension() -> String? {
+//        guard let fileExtension = attachment.fileExtension else {
+//            return nil
+//        }
+//
+//        return String(format:NSLocalizedString("ATTACHMENT_APPROVAL_FILE_EXTENSION_FORMAT",
+//                                               comment: "Format string for file extension label in call interstitial view"),
+//                      fileExtension.uppercased())
+//    }
+//
+//    private func formattedFileName() -> String? {
+//        guard let sourceFilename = attachment.sourceFilename else {
+//            return nil
+//        }
+//        let filename = sourceFilename.trimmingCharacters(in: CharacterSet.whitespacesAndNewlines)
+//        guard filename.characters.count > 0 else {
+//            return nil
+//        }
+//        return filename
+//    }
+//
+//    private func createFileNameLabel() -> UIView? {
+//        let filename = formattedFileName() ?? formattedFileExtension()
+//
+//        guard filename != nil else {
+//            return nil
+//        }
+//
+//        let label = UILabel()
+//        label.text = filename
+//        label.textColor = UIColor.ows_materialBlue()
+//        label.font = labelFont()
+//        label.textAlignment = .center
+//        label.lineBreakMode = .byTruncatingMiddle
+//        return label
+//    }
+//
+//    private func createFileSizeLabel() -> UIView {
+//        let label = UILabel()
+//        let fileSize = attachment.dataLength
+//        label.text = String(format:NSLocalizedString("ATTACHMENT_APPROVAL_FILE_SIZE_FORMAT",
+//                                                     comment: "Format string for file size label in call interstitial view. Embeds: {{file size as 'N mb' or 'N kb'}}."),
+//                            ViewControllerUtils.formatFileSize(UInt(fileSize)))
+//
+//        label.textColor = UIColor.ows_materialBlue()
+//        label.font = labelFont()
+//        label.textAlignment = .center
+//
+//        return label
+//    }
+//
+//    private func createAudioStatusLabel() -> UILabel {
+//        let label = UILabel()
+//        label.textColor = UIColor.ows_materialBlue()
+//        label.font = labelFont()
+//        label.textAlignment = .center
+//
+//        return label
+//    }
+//
+//    private func createButtonRow(attachmentPreviewView: UIView) {
+//        let buttonTopMargin = ScaleFromIPhone5To7Plus(30, 40)
+//        let buttonBottomMargin = ScaleFromIPhone5To7Plus(25, 40)
+//        let buttonHSpacing = ScaleFromIPhone5To7Plus(20, 30)
+//
+//        let buttonRow = UIView()
+//        self.view.addSubview(buttonRow)
+//        buttonRow.autoPinWidthToSuperview()
+//        buttonRow.autoPinEdge(toSuperviewEdge:.bottom, withInset:buttonBottomMargin)
+//        buttonRow.autoPinEdge(.top, to:.bottom, of:attachmentPreviewView, withOffset:buttonTopMargin)
+//
+//        // We use this invisible subview to ensure that the buttons are centered
+//        // horizontally.
+//        let buttonSpacer = UIView()
+//        buttonRow.addSubview(buttonSpacer)
+//        // Vertical positioning of this view doesn't matter.
+//        buttonSpacer.autoPinEdge(toSuperviewEdge:.top)
+//        buttonSpacer.autoSetDimension(.width, toSize:buttonHSpacing)
+//        buttonSpacer.autoHCenterInSuperview()
+//
+//        let cancelButton = createButton(title: CommonStrings.cancelButton,
+//                                        color : UIColor.ows_destructiveRed(),
+//                                        action: #selector(cancelPressed))
+//        buttonRow.addSubview(cancelButton)
+//        cancelButton.autoPinEdge(toSuperviewEdge:.top)
+//        cancelButton.autoPinEdge(toSuperviewEdge:.bottom)
+//        cancelButton.autoPinEdge(.right, to:.left, of:buttonSpacer)
+//
+//        let sendButton = createButton(title: NSLocalizedString("ATTACHMENT_APPROVAL_SEND_BUTTON",
+//                                                               comment: "Label for 'send' button in the 'attachment approval' dialog."),
+//                                      color : UIColor(rgbHex:0x2ecc71),
+//                                      action: #selector(sendPressed))
+//        buttonRow.addSubview(sendButton)
+//        sendButton.autoPinEdge(toSuperviewEdge:.top)
+//        sendButton.autoPinEdge(toSuperviewEdge:.bottom)
+//        sendButton.autoPinEdge(.left, to:.right, of:buttonSpacer)
+//    }
+//
+//    private func createButton(title: String, color: UIColor, action: Selector) -> UIView {
+//        let buttonWidth = ScaleFromIPhone5To7Plus(110, 140)
+//        let buttonHeight = ScaleFromIPhone5To7Plus(35, 45)
+//
+//        return OWSFlatButton.button(title:title,
+//                                    titleColor:UIColor.white,
+//                                    backgroundColor:color,
+//                                    width:buttonWidth,
+//                                    height:buttonHeight,
+//                                    target:target,
+//                                    selector:action)
+//    }
+//
+//    // MARK: - Event Handlers
+//
+//    func donePressed(sender: UIButton) {
+//        dismiss(animated: true, completion:nil)
+//    }
+//
+//    func cancelPressed(sender: UIButton) {
+//        dismiss(animated: true, completion:nil)
+//    }
+//
+//    func sendPressed(sender: UIButton) {
+//        let successCompletion = self.successCompletion
+//        dismiss(animated: true, completion: {
+//            successCompletion?()
+//        })
+//    }
+//
+//    func audioPlayButtonPressed(sender: UIButton) {
+//        audioPlayer?.togglePlayState()
+//    }
+//
+//    // MARK: - OWSAudioAttachmentPlayerDelegate
+//
+//    public func isAudioPlaying() -> Bool {
+//        return isAudioPlayingFlag
+//    }
+//
+//    public func setIsAudioPlaying(_ isAudioPlaying: Bool) {
+//        isAudioPlayingFlag = isAudioPlaying
+//
+//        updateAudioStatusLabel()
+//    }
+//
+//    public func isPaused() -> Bool {
+//        return isAudioPaused
+//    }
+//
+//    public func setIsPaused(_ isPaused: Bool) {
+//        isAudioPaused = isPaused
+//    }
+//
+//    public func setAudioProgress(_ progress: CGFloat, duration: CGFloat) {
+//        audioProgressSeconds = progress
+//        audioDurationSeconds = duration
+//
+//        updateAudioStatusLabel()
+//    }
+//
+//    private func updateAudioStatusLabel() {
+//        guard let audioStatusLabel = self.audioStatusLabel else {
+//            owsFail("Missing audio status label")
+//            return
+//        }
+//
+//        if isAudioPlayingFlag && audioProgressSeconds > 0 && audioDurationSeconds > 0 {
+//            audioStatusLabel.text = String(format:"%@ / %@",
+//                ViewControllerUtils.formatDurationSeconds(Int(round(self.audioProgressSeconds))),
+//                ViewControllerUtils.formatDurationSeconds(Int(round(self.audioDurationSeconds))))
+//        } else {
+//            audioStatusLabel.text = " "
+//        }
+//    }
+//
+//    public func setAudioIconToPlay() {
+//        let image = UIImage(named:"audio_play_black_large")?.withRenderingMode(.alwaysTemplate)
+//        assert(image != nil)
+//        audioPlayButton?.setImage(image, for:.normal)
+//        audioPlayButton?.imageView?.tintColor = UIColor.ows_materialBlue()
+//    }
+//
+//    public func setAudioIconToPause() {
+//        let image = UIImage(named:"audio_pause_black_large")?.withRenderingMode(.alwaysTemplate)
+//        assert(image != nil)
+//        audioPlayButton?.setImage(image, for:.normal)
+//        audioPlayButton?.imageView?.tintColor = UIColor.ows_materialBlue()
+//    }
+
+    // MARK: - Event Handlers
+
+    func donePressed(sender: UIButton) {
+        dismiss(animated: true, completion:nil)
+    }
+}