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Session.xcodeproj/project.pbxproj

@@ -165,6 +165,7 @@
 		B8041A9525C8FA1D003C2166 /* MediaLoaderView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B8041A9425C8FA1D003C2166 /* MediaLoaderView.swift */; };
 		B8041AA725C90927003C2166 /* TypingIndicatorCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = B8041AA625C90927003C2166 /* TypingIndicatorCell.swift */; };
 		B80A579F23DFF1F300876683 /* NewClosedGroupVC.swift in Sources */ = {isa = PBXBuildFile; fileRef = B80A579E23DFF1F300876683 /* NewClosedGroupVC.swift */; };
+		B817AD9A26436593009DF825 /* SimplifiedConversationCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = B817AD9926436593009DF825 /* SimplifiedConversationCell.swift */; };
 		B81D25C426157F40004D1FE1 /* storage-seed-3.crt in Resources */ = {isa = PBXBuildFile; fileRef = B81D25B926157F20004D1FE1 /* storage-seed-3.crt */; };
 		B81D25C526157F40004D1FE1 /* storage-seed-1.crt in Resources */ = {isa = PBXBuildFile; fileRef = B81D25B726157F20004D1FE1 /* storage-seed-1.crt */; };
 		B81D25C626157F40004D1FE1 /* public-loki-foundation.crt in Resources */ = {isa = PBXBuildFile; fileRef = B81D25B826157F20004D1FE1 /* public-loki-foundation.crt */; };
@@ -1157,6 +1158,7 @@
 		B8041A9425C8FA1D003C2166 /* MediaLoaderView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MediaLoaderView.swift; sourceTree = "<group>"; };
 		B8041AA625C90927003C2166 /* TypingIndicatorCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TypingIndicatorCell.swift; sourceTree = "<group>"; };
 		B80A579E23DFF1F300876683 /* NewClosedGroupVC.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NewClosedGroupVC.swift; sourceTree = "<group>"; };
+		B817AD9926436593009DF825 /* SimplifiedConversationCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SimplifiedConversationCell.swift; sourceTree = "<group>"; };
 		B81D25B726157F20004D1FE1 /* storage-seed-1.crt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = "storage-seed-1.crt"; sourceTree = "<group>"; };
 		B81D25B826157F20004D1FE1 /* public-loki-foundation.crt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = "public-loki-foundation.crt"; sourceTree = "<group>"; };
 		B81D25B926157F20004D1FE1 /* storage-seed-3.crt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = "storage-seed-3.crt"; sourceTree = "<group>"; };
@@ -1990,6 +1992,7 @@
 				34480B341FD0929200BC14EF /* ShareAppExtensionContext.h */,
 				34480B351FD0929200BC14EF /* ShareAppExtensionContext.m */,
 				C3ADC66026426688005F1414 /* ShareVC.swift */,
+				B817AD9926436593009DF825 /* SimplifiedConversationCell.swift */,
 			);
 			path = SessionShareExtension;
 			sourceTree = "<group>";
@@ -4416,6 +4419,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				B817AD9A26436593009DF825 /* SimplifiedConversationCell.swift in Sources */,
 				4535186B1FC635DD00210559 /* ShareViewController.swift in Sources */,
 				34480B361FD0929200BC14EF /* ShareAppExtensionContext.m in Sources */,
 				C3ADC66126426688005F1414 /* ShareVC.swift in Sources */,

SessionShareExtension/ShareVC.swift

@@ -1,9 +1,30 @@
 import SessionUIKit
 
-final class ShareVC : UIViewController, AppModeManagerDelegate {
+final class ShareVC : UIViewController, UITableViewDataSource, AppModeManagerDelegate {
     @IBOutlet private var logoImageView: UIImageView!
     private var areVersionMigrationsComplete = false
-
+    private var threads: YapDatabaseViewMappings!
+    private var threadViewModelCache: [String:ThreadViewModel] = [:] // Thread ID to ThreadViewModel
+    
+    private var threadCount: UInt {
+        threads.numberOfItems(inGroup: TSInboxGroup)
+    }
+    
+    private lazy var dbConnection: YapDatabaseConnection = {
+        let result = OWSPrimaryStorage.shared().newDatabaseConnection()
+        result.objectCacheLimit = 500
+        return result
+    }()
+
+    private lazy var tableView: UITableView = {
+        let result = UITableView()
+        result.backgroundColor = .clear
+        result.separatorStyle = .none
+        result.register(SimplifiedConversationCell.self, forCellReuseIdentifier: SimplifiedConversationCell.reuseIdentifier)
+        result.showsVerticalScrollIndicator = false
+        return result
+    }()
+    
     // MARK: Lifecycle
     override func loadView() {
         super.loadView()
@@ -130,7 +151,21 @@ final class ShareVC : UIViewController, AppModeManagerDelegate {
     }
 
     private func setUpViewHierarchy() {
-        
+        // Threads
+        dbConnection.beginLongLivedReadTransaction() // Freeze the connection for use on the main thread (this gives us a stable data source that doesn't change until we tell it to)
+        threads = YapDatabaseViewMappings(groups: [ TSInboxGroup ], view: TSThreadDatabaseViewExtensionName) // The extension should be registered at this point
+        threads.setIsReversed(true, forGroup: TSInboxGroup)
+        dbConnection.read { transaction in
+            self.threads.update(with: transaction) // Perform the initial update
+        }
+        // Logo
+        logoImageView.alpha = 0
+        // Table view
+        tableView.dataSource = self
+        view.addSubview(tableView)
+        tableView.pin(to: view)
+        // Reload
+        reload()
     }
 
     @objc
@@ -159,7 +194,6 @@ final class ShareVC : UIViewController, AppModeManagerDelegate {
     }
 
     // MARK: App Mode
-
     public func getCurrentAppMode() -> AppMode {
         guard let window = self.view.window else { return .light }
         let userInterfaceStyle = window.traitCollection.userInterfaceStyle
@@ -170,4 +204,50 @@ final class ShareVC : UIViewController, AppModeManagerDelegate {
     public func setCurrentAppMode(to appMode: AppMode) {
         return // Not applicable to share extensions
     }
+    
+    // MARK: Table View Data Source
+    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return Int(threadCount)
+    }
+    
+    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: SimplifiedConversationCell.reuseIdentifier) as! SimplifiedConversationCell
+        cell.threadViewModel = threadViewModel(at: indexPath.row)
+        return cell
+    }
+    
+    // MARK: Updating
+    private func reload() {
+        AssertIsOnMainThread()
+        dbConnection.beginLongLivedReadTransaction() // Jump to the latest commit
+        dbConnection.read { transaction in
+            self.threads.update(with: transaction)
+        }
+        threadViewModelCache.removeAll()
+        tableView.reloadData()
+    }
+    
+    // MARK: Convenience
+    private func thread(at index: Int) -> TSThread? {
+        var thread: TSThread? = nil
+        dbConnection.read { transaction in
+            let ext = transaction.ext(TSThreadDatabaseViewExtensionName) as! YapDatabaseViewTransaction
+            thread = ext.object(atRow: UInt(index), inSection: 0, with: self.threads) as! TSThread?
+        }
+        return thread
+    }
+    
+    private func threadViewModel(at index: Int) -> ThreadViewModel? {
+        guard let thread = thread(at: index) else { return nil }
+        if let cachedThreadViewModel = threadViewModelCache[thread.uniqueId!] {
+            return cachedThreadViewModel
+        } else {
+            var threadViewModel: ThreadViewModel? = nil
+            dbConnection.read { transaction in
+                threadViewModel = ThreadViewModel(thread: thread, transaction: transaction)
+            }
+            threadViewModelCache[thread.uniqueId!] = threadViewModel
+            return threadViewModel
+        }
+    }
 }

SessionShareExtension/SimplifiedConversationCell.swift

@@ -0,0 +1,92 @@
+import UIKit
+import SessionUIKit
+
+final class SimplifiedConversationCell : UITableViewCell {
+    var threadViewModel: ThreadViewModel! { didSet { update() } }
+    
+    static let reuseIdentifier = "SimplifiedConversationCell"
+    
+    // MARK: UI Components
+    private lazy var accentLineView: UIView = {
+        let result = UIView()
+        result.backgroundColor = Colors.destructive
+        return result
+    }()
+    
+    private lazy var profilePictureView = ProfilePictureView()
+    
+    private lazy var displayNameLabel: UILabel = {
+        let result = UILabel()
+        result.font = .boldSystemFont(ofSize: Values.mediumFontSize)
+        result.textColor = Colors.text
+        result.lineBreakMode = .byTruncatingTail
+        return result
+    }()
+    
+    // MARK: Initialization
+    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
+        super.init(style: style, reuseIdentifier: reuseIdentifier)
+        setUpViewHierarchy()
+    }
+    
+    required init?(coder: NSCoder) {
+        super.init(coder: coder)
+        setUpViewHierarchy()
+    }
+    
+    private func setUpViewHierarchy() {
+        // Background color
+        backgroundColor = Colors.cellBackground
+        // Highlight color
+        let selectedBackgroundView = UIView()
+        selectedBackgroundView.backgroundColor = Colors.cellSelected
+        self.selectedBackgroundView = selectedBackgroundView
+        // Accent line view
+        accentLineView.set(.width, to: Values.accentLineThickness)
+        accentLineView.set(.height, to: 68)
+        // Profile picture view
+        let profilePictureViewSize = Values.mediumProfilePictureSize
+        profilePictureView.set(.width, to: profilePictureViewSize)
+        profilePictureView.set(.height, to: profilePictureViewSize)
+        profilePictureView.size = profilePictureViewSize
+        // Main stack view
+        let stackView = UIStackView(arrangedSubviews: [ accentLineView, profilePictureView, displayNameLabel ])
+        stackView.axis = .horizontal
+        stackView.alignment = .center
+        stackView.spacing = Values.mediumSpacing
+        addSubview(stackView)
+        stackView.pin(to: self)
+    }
+    
+    // MARK: Updating
+    private func update() {
+        AssertIsOnMainThread()
+        guard let thread = threadViewModel?.threadRecord else { return }
+        let isBlocked: Bool
+        if let thread = thread as? TSContactThread {
+            isBlocked = SSKEnvironment.shared.blockingManager.isRecipientIdBlocked(thread.contactSessionID())
+        } else {
+            isBlocked = false
+        }
+        accentLineView.alpha = isBlocked ? 1 : 0
+        profilePictureView.update(for: thread)
+        displayNameLabel.text = getDisplayName()
+    }
+    
+    private func getDisplayName() -> String {
+        if threadViewModel.isGroupThread {
+            if threadViewModel.name.isEmpty {
+                return "Unknown Group"
+            } else {
+                return threadViewModel.name
+            }
+        } else {
+            if threadViewModel.threadRecord.isNoteToSelf() {
+                return NSLocalizedString("NOTE_TO_SELF", comment: "")
+            } else {
+                let hexEncodedPublicKey = threadViewModel.contactSessionID!
+                return Storage.shared.getContact(with: hexEncodedPublicKey)?.displayName(for: .regular) ?? hexEncodedPublicKey
+            }
+        }
+    }
+}