wip: carousel view

Session.xcodeproj/project.pbxproj

@@ -112,6 +112,7 @@
 		7B2561C22978B307005C086C /* MediaInfoVC+MediaInfoView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7B2561C12978B307005C086C /* MediaInfoVC+MediaInfoView.swift */; };
 		7B3A392E2977791E002FE4AC /* MediaInfoVC.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7B3A392D2977791E002FE4AC /* MediaInfoVC.swift */; };
 		7B3A3930297A3919002FE4AC /* MediaInfoVC+MediaPreviewView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7B3A392F297A3919002FE4AC /* MediaInfoVC+MediaPreviewView.swift */; };
+		7B3A39322980D02B002FE4AC /* SessionCarouselView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7B3A39312980D02B002FE4AC /* SessionCarouselView.swift */; };
 		7B46AAAF28766DF4001AF2DC /* AllMediaViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7B46AAAE28766DF4001AF2DC /* AllMediaViewController.swift */; };
 		7B4C75CB26B37E0F0000AC89 /* UnsendRequest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7B4C75CA26B37E0F0000AC89 /* UnsendRequest.swift */; };
 		7B4C75CD26BB92060000AC89 /* DeletedMessageView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7B4C75CC26BB92060000AC89 /* DeletedMessageView.swift */; };
@@ -1181,6 +1182,7 @@
 		7B2DB2AD26F1B0FF0035B509 /* si */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = si; path = si.lproj/Localizable.strings; sourceTree = "<group>"; };
 		7B3A392D2977791E002FE4AC /* MediaInfoVC.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MediaInfoVC.swift; sourceTree = "<group>"; };
 		7B3A392F297A3919002FE4AC /* MediaInfoVC+MediaPreviewView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "MediaInfoVC+MediaPreviewView.swift"; sourceTree = "<group>"; };
+		7B3A39312980D02B002FE4AC /* SessionCarouselView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SessionCarouselView.swift; sourceTree = "<group>"; };
 		7B46AAAE28766DF4001AF2DC /* AllMediaViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AllMediaViewController.swift; sourceTree = "<group>"; };
 		7B4C75CA26B37E0F0000AC89 /* UnsendRequest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UnsendRequest.swift; sourceTree = "<group>"; };
 		7B4C75CC26BB92060000AC89 /* DeletedMessageView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeletedMessageView.swift; sourceTree = "<group>"; };
@@ -2584,6 +2586,7 @@
 				FD52090828B59411006098F6 /* ScreenLockUI.swift */,
 				FD37EA0828AA2D27003AE748 /* SessionTableViewModel.swift */,
 				FD37EA0628AA2CCA003AE748 /* SessionTableViewController.swift */,
+				7B3A39312980D02B002FE4AC /* SessionCarouselView.swift */,
 			);
 			path = Shared;
 			sourceTree = "<group>";
@@ -5765,6 +5768,7 @@
 				FD71163828E2C50700B47552 /* SessionTableViewModel.swift in Sources */,
 				FD71164A28E3EA5B00B47552 /* DismissType.swift in Sources */,
 				C328251F25CA3A900062D0A7 /* QuoteView.swift in Sources */,
+				7B3A39322980D02B002FE4AC /* SessionCarouselView.swift in Sources */,
 				FD37E9CC28A1E578003AE748 /* AppearanceViewController.swift in Sources */,
 				B8EB20F02640F7F000773E52 /* OpenGroupInvitationView.swift in Sources */,
 				C328254025CA55880062D0A7 /* ContextMenuVC.swift in Sources */,

Session/Media Viewing & Editing/MediaInfoVC+MediaInfoView.swift

@@ -54,7 +54,7 @@ extension MediaInfoVC {
         
         // MARK: - Lifecycle
         
-        init(attachment: Attachment? = nil) {
+        init(attachment: Attachment?) {
             self.attachment = attachment
             
             super.init(frame: CGRect.zero)

Session/Media Viewing & Editing/MediaInfoVC.swift

@@ -11,7 +11,7 @@ final class MediaInfoVC: BaseVC {
     private let isOutgoing: Bool
     
     // MARK: - UI
-    private lazy var mediaInfoView: MediaInfoView = MediaInfoView()
+    private lazy var mediaInfoView: MediaInfoView = MediaInfoView(attachment: nil)
     
     // MARK: - Initialization
     
@@ -50,11 +50,18 @@ final class MediaInfoVC: BaseVC {
             mediaStackView.addArrangedSubview(mediaPreviewView)
         }
         
+        let contentWidth: CGFloat = Self.mediaSize * CGFloat(attachments.count)
+        let contentHeight: CGFloat = Self.mediaSize
+        mediaStackView.set(.width, to: contentWidth)
+        mediaStackView.set(.height, to: contentHeight)
+        
         let scrollView: UIScrollView = UIScrollView()
         scrollView.isPagingEnabled = true
+        scrollView.showsVerticalScrollIndicator = false
+        scrollView.showsHorizontalScrollIndicator = false
         scrollView.set(.width, to: Self.mediaSize)
         scrollView.set(.height, to: Self.mediaSize)
-        scrollView.contentSize = CGSize(width: Self.mediaSize * CGFloat(attachments.count), height: Self.mediaSize)
+        scrollView.contentSize = CGSize(width: contentWidth, height: contentHeight)
         scrollView.addSubview(mediaStackView)
         
         mediaInfoView.update(attachment: attachments[0])

Session/Shared/SessionCarouselView.swift

@@ -0,0 +1,68 @@
+// Copyright © 2023 Rangeproof Pty Ltd. All rights reserved.
+
+import Foundation
+
+final class SessionCarouselView: UIView {
+    private let slices: [UIView]
+    private let sliceSize: CGSize
+    
+    // MARK: - Settings
+    public var showPageControl: Bool = true {
+        didSet {
+            self.pageControl.isHidden = !showPageControl
+        }
+    }
+    
+    // MARK: - UI
+    private lazy var scrollView: UIScrollView = {
+        let result: UIScrollView = UIScrollView()
+        result.isPagingEnabled = true
+        result.showsHorizontalScrollIndicator = false
+        result.showsVerticalScrollIndicator = false
+        result.contentSize = CGSize(
+            width: self.sliceSize.width * CGFloat(self.slices.count),
+            height: self.sliceSize.height
+        )
+        
+        return result
+    }()
+    
+    private lazy var pageControl: UIPageControl = {
+        let result: UIPageControl = UIPageControl()
+        result.numberOfPages = self.slices.count
+        
+        return result
+    }()
+    
+    // MARK: - Lifecycle
+    init(slices: [UIView], sliceSize: CGSize) {
+        self.slices = slices
+        self.sliceSize = sliceSize
+        
+        super.init(frame: CGRect.zero)
+        setUpViewHierarchy()
+    }
+
+    override init(frame: CGRect) {
+        preconditionFailure("Use init(attachment:) instead.")
+    }
+
+    required init?(coder: NSCoder) {
+        preconditionFailure("Use init(attachment:) instead.")
+    }
+
+    private func setUpViewHierarchy() {
+        let stackView: UIStackView = UIStackView(arrangedSubviews: self.slices)
+        stackView.axis = .horizontal
+        stackView.set(.width, to: self.sliceSize.width * CGFloat(self.slices.count))
+        stackView.set(.height, to: self.sliceSize.height)
+        
+        addSubview(self.scrollView)
+        scrollView.pin(to: self)
+        scrollView.addSubview(stackView)
+        
+        addSubview(self.pageControl)
+        self.pageControl.center(.horizontal, in: self)
+        self.pageControl.pin(.bottom, to: .bottom, of: self)
+    }
+}