Add preference for default notifications display mode

Closes #45

Pachyderm/Client.swift

@@ -246,8 +246,10 @@ public class Client {
     }
     
     // MARK: - Notifications
-    public func getNotifications(range: RequestRange = .default) -> Request<[Notification]> {
+    public func getNotifications(excludeTypes: [Notification.Kind], range: RequestRange = .default) -> Request<[Notification]> {
-        var request = Request<[Notification]>(method: .get, path: "/api/v1/notifications")
+        var request = Request<[Notification]>(method: .get, path: "/api/v1/notifications", queryParameters:
+            "exclude_types" => excludeTypes.map { $0.rawValue }
+        )
         request.range = range
         return request
     }

Pachyderm/Model/Notification.swift

@@ -31,7 +31,7 @@ public class Notification: Decodable {
 }
 
 extension Notification {
-    public enum Kind: String, Decodable {
+    public enum Kind: String, Decodable, CaseIterable {
         case mention
         case reblog
         case favourite

Pachyderm/Utilities/InstanceType.swift

@@ -0,0 +1,24 @@
+//
+//  InstanceType.swift
+//  Pachyderm
+//
+//  Created by Shadowfacts on 9/11/19.
+//  Copyright © 2019 Shadowfacts. All rights reserved.
+//
+
+import Foundation
+
+public enum InstanceType {
+    case mastodon, pleroma
+}
+
+public extension Instance {
+    var instanceType: InstanceType {
+        let lowercased = version.lowercased()
+        if lowercased.contains("pleroma") {
+            return .pleroma
+        } else {
+            return .mastodon
+        }
+    }
+}

Tusker.xcodeproj/project.pbxproj

@@ -103,6 +103,7 @@
 		D663626C21361C6700C9CBA2 /* Account+Preferences.swift in Sources */ = {isa = PBXBuildFile; fileRef = D663626B21361C6700C9CBA2 /* Account+Preferences.swift */; };
 		D66362712136338600C9CBA2 /* ComposeViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D66362702136338600C9CBA2 /* ComposeViewController.swift */; };
 		D66362752137068A00C9CBA2 /* Visibility+Helpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = D66362742137068A00C9CBA2 /* Visibility+Helpers.swift */; };
+		D667383C23299340000A2373 /* InstanceType.swift in Sources */ = {isa = PBXBuildFile; fileRef = D667383B23299340000A2373 /* InstanceType.swift */; };
 		D667E5E12134937B0057A976 /* StatusTableViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D667E5E02134937B0057A976 /* StatusTableViewCell.xib */; };
 		D667E5E721349D4C0057A976 /* ProfileTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D667E5E621349D4C0057A976 /* ProfileTableViewController.swift */; };
 		D667E5E921349EE50057A976 /* ProfileHeaderTableViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D667E5E821349EE50057A976 /* ProfileHeaderTableViewCell.xib */; };
@@ -142,6 +143,7 @@
 		D68632AA21ED8319008C716E /* GMGridViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = D686329021ED8319008C716E /* GMGridViewController.m */; };
 		D68632AB21ED8319008C716E /* GMImagePickerController.h in Headers */ = {isa = PBXBuildFile; fileRef = D686329121ED8319008C716E /* GMImagePickerController.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		D68632AC21ED8319008C716E /* GMImagePicker.strings in Resources */ = {isa = PBXBuildFile; fileRef = D686329321ED8319008C716E /* GMImagePicker.strings */; };
+		D68FEC4F232C5BC300C84F23 /* SegmentedPageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68FEC4E232C5BC300C84F23 /* SegmentedPageViewController.swift */; };
 		D6A3BC7723218E1300FD64D5 /* TimelineSegment.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A3BC7323218C6E00FD64D5 /* TimelineSegment.swift */; };
 		D6A3BC7923218E9200FD64D5 /* NotificationGroup.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A3BC7823218E9200FD64D5 /* NotificationGroup.swift */; };
 		D6A3BC7C232195C600FD64D5 /* ActionNotificationGroupTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A3BC7A232195C600FD64D5 /* ActionNotificationGroupTableViewCell.swift */; };
@@ -164,6 +166,9 @@
 		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, ); }; };
 		D6BC8748219738E1006163F1 /* EnhancedTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC8747219738E1006163F1 /* EnhancedTableViewController.swift */; };
+		D6BC9DB1232C61BC002CA326 /* NotificationsPageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DB0232C61BC002CA326 /* NotificationsPageViewController.swift */; };
+		D6BC9DB3232D4C07002CA326 /* WellnessPrefsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DB2232D4C07002CA326 /* WellnessPrefsView.swift */; };
+		D6BC9DB5232D4CE3002CA326 /* NotificationsMode.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DB4232D4CE3002CA326 /* NotificationsMode.swift */; };
 		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 */; };
 		D6C693EF216192C2007D6A6D /* TuskerNavigationDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693EE216192C2007D6A6D /* TuskerNavigationDelegate.swift */; };
@@ -348,6 +353,7 @@
 		D663626B21361C6700C9CBA2 /* Account+Preferences.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Account+Preferences.swift"; sourceTree = "<group>"; };
 		D66362702136338600C9CBA2 /* ComposeViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposeViewController.swift; sourceTree = "<group>"; };
 		D66362742137068A00C9CBA2 /* Visibility+Helpers.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Visibility+Helpers.swift"; sourceTree = "<group>"; };
+		D667383B23299340000A2373 /* InstanceType.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = InstanceType.swift; sourceTree = "<group>"; };
 		D667E5E02134937B0057A976 /* StatusTableViewCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = StatusTableViewCell.xib; sourceTree = "<group>"; };
 		D667E5E621349D4C0057A976 /* ProfileTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProfileTableViewController.swift; sourceTree = "<group>"; };
 		D667E5E821349EE50057A976 /* ProfileHeaderTableViewCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = ProfileHeaderTableViewCell.xib; sourceTree = "<group>"; };
@@ -387,6 +393,7 @@
 		D686329021ED8319008C716E /* GMGridViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GMGridViewController.m; sourceTree = "<group>"; };
 		D686329121ED8319008C716E /* GMImagePickerController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = GMImagePickerController.h; sourceTree = "<group>"; };
 		D686329421ED8319008C716E /* de */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = de; path = GMImagePicker.strings; sourceTree = "<group>"; };
+		D68FEC4E232C5BC300C84F23 /* SegmentedPageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SegmentedPageViewController.swift; sourceTree = "<group>"; };
 		D6A3BC7323218C6E00FD64D5 /* TimelineSegment.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineSegment.swift; sourceTree = "<group>"; };
 		D6A3BC7823218E9200FD64D5 /* NotificationGroup.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NotificationGroup.swift; sourceTree = "<group>"; };
 		D6A3BC7A232195C600FD64D5 /* ActionNotificationGroupTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ActionNotificationGroupTableViewCell.swift; sourceTree = "<group>"; };
@@ -408,6 +415,9 @@
 		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; };
 		D6BC8747219738E1006163F1 /* EnhancedTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EnhancedTableViewController.swift; sourceTree = "<group>"; };
+		D6BC9DB0232C61BC002CA326 /* NotificationsPageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NotificationsPageViewController.swift; sourceTree = "<group>"; };
+		D6BC9DB2232D4C07002CA326 /* WellnessPrefsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WellnessPrefsView.swift; sourceTree = "<group>"; };
+		D6BC9DB4232D4CE3002CA326 /* NotificationsMode.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NotificationsMode.swift; sourceTree = "<group>"; };
 		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>"; };
 		D6C693EE216192C2007D6A6D /* TuskerNavigationDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TuskerNavigationDelegate.swift; sourceTree = "<group>"; };
@@ -734,6 +744,7 @@
 		D641C786213DD852004B4513 /* Notifications */ = {
 			isa = PBXGroup;
 			children = (
+				D6BC9DB0232C61BC002CA326 /* NotificationsPageViewController.swift */,
 				D641C772213CAA25004B4513 /* NotificationsTableViewController.swift */,
 			);
 			path = Notifications;
@@ -766,6 +777,7 @@
 				04586B4022B2FFB10021BD04 /* PreferencesView.swift */,
 				04586B4222B301470021BD04 /* AppearancePrefsView.swift */,
 				0427033722B30F5F000D31B6 /* BehaviorPrefsView.swift */,
+				D6BC9DB2232D4C07002CA326 /* WellnessPrefsView.swift */,
 				0427033922B31269000D31B6 /* AdvancedPrefsView.swift */,
 				0427037B22B316B9000D31B6 /* SilentActionPrefs.swift */,
 			);
@@ -828,6 +840,7 @@
 				0427033522B30B3D000D31B6 /* Preference.swift */,
 				D6DD353C22F28CD000A9563A /* ContentWarningCopyMode.swift */,
 				D6DD353E22F502EC00A9563A /* Preferences+Notification.swift */,
+				D6BC9DB4232D4CE3002CA326 /* NotificationsMode.swift */,
 			);
 			path = Preferences;
 			sourceTree = "<group>";
@@ -947,6 +960,7 @@
 				D6E6F26221603F8B006A8599 /* CharacterCounter.swift */,
 				D6A3BC7323218C6E00FD64D5 /* TimelineSegment.swift */,
 				D6A3BC7823218E9200FD64D5 /* NotificationGroup.swift */,
+				D667383B23299340000A2373 /* InstanceType.swift */,
 			);
 			path = Utilities;
 			sourceTree = "<group>";
@@ -1026,6 +1040,7 @@
 				D6538944214D6D7500E3CEFC /* TableViewSwipeActionProvider.swift */,
 				D6B8DB332182A59300424AF7 /* UIAlertController+Visibility.swift */,
 				D6BC8747219738E1006163F1 /* EnhancedTableViewController.swift */,
+				D68FEC4E232C5BC300C84F23 /* SegmentedPageViewController.swift */,
 			);
 			path = Utilities;
 			sourceTree = "<group>";
@@ -1428,6 +1443,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				D61099E5214561AB00432DC2 /* Application.swift in Sources */,
+				D667383C23299340000A2373 /* InstanceType.swift in Sources */,
 				D61099FF21456A4C00432DC2 /* Status.swift in Sources */,
 				D61099E32144C38900432DC2 /* Emoji.swift in Sources */,
 				D6109A0D214599E100432DC2 /* RequestRange.swift in Sources */,
@@ -1487,10 +1503,13 @@
 				D6757A822157E8FA00721E32 /* XCBSession.swift in Sources */,
 				04DACE8C212CB14B009840C4 /* MainTabBarViewController.swift in Sources */,
 				D6AEBB412321642700E5038B /* SendMesasgeActivity.swift in Sources */,
+				D6BC9DB1232C61BC002CA326 /* NotificationsPageViewController.swift in Sources */,
 				D6C693F92162E4DB007D6A6D /* StatusContentLabel.swift in Sources */,
+				D6BC9DB3232D4C07002CA326 /* WellnessPrefsView.swift in Sources */,
 				D6D58DF922074B74009C8DD9 /* LinkLabel.swift in Sources */,
 				0454DDAF22B462EF00B8BB8E /* GalleryExpandAnimationController.swift in Sources */,
 				D6A3BC8A2321F79B00FD64D5 /* AccountTableViewCell.swift in Sources */,
+				D68FEC4F232C5BC300C84F23 /* SegmentedPageViewController.swift in Sources */,
 				0450531F22B0097E00100BA2 /* Timline+UI.swift in Sources */,
 				D667E5F52135BCD50057A976 /* ConversationTableViewController.swift in Sources */,
 				D6C7D27D22B6EBF800071952 /* AttachmentsContainerView.swift in Sources */,
@@ -1551,6 +1570,7 @@
 				D6A3BC7C232195C600FD64D5 /* ActionNotificationGroupTableViewCell.swift in Sources */,
 				D6F953EC212519E700CF0F2B /* TimelineTableViewController.swift in Sources */,
 				04586B4122B2FFB10021BD04 /* PreferencesView.swift in Sources */,
+				D6BC9DB5232D4CE3002CA326 /* NotificationsMode.swift in Sources */,
 				D667E5EB21349EF80057A976 /* ProfileHeaderTableViewCell.swift in Sources */,
 				04D14BB022B34A2800642648 /* GalleryViewController.swift in Sources */,
 				D641C773213CAA25004B4513 /* NotificationsTableViewController.swift in Sources */,

Tusker/Preferences/NotificationsMode.swift

@@ -0,0 +1,25 @@
+//
+//  NotificationsMode.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 9/14/19.
+//  Copyright © 2019 Shadowfacts. All rights reserved.
+//
+
+import Foundation
+
+enum NotificationsMode: String, Codable, CaseIterable {
+    case allNotifications
+    case mentionsOnly
+}
+
+extension NotificationsMode {
+    var displayName: String {
+        switch self {
+        case .allNotifications:
+            return NSLocalizedString("All Notifications", comment: "display all notifications mode")
+        case .mentionsOnly:
+            return NSLocalizedString("Mentions Only", comment: "display only mentions mode")
+        }
+    }
+}

Tusker/Preferences/Preferences.swift

@@ -35,34 +35,79 @@ class Preferences: Codable, ObservableObject {
     
     private init() {}
     
+    required init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        
+        self.showRepliesInProfiles = try container.decode(Bool.self, forKey: .showRepliesInProfiles)
+        self.avatarStyle = try container.decode(AvatarStyle.self, forKey: .avatarStyle)
+        self.hideCustomEmojiInUsernames = try container.decode(Bool.self, forKey: .hideCustomEmojiInUsernames)
+        
+        self.defaultPostVisibility = try container.decode(Status.Visibility.self, forKey: .defaultPostVisibility)
+        self.automaticallySaveDrafts = try container.decode(Bool.self, forKey: .automaticallySaveDrafts)
+        self.contentWarningCopyMode = try container.decode(ContentWarningCopyMode.self, forKey: .contentWarningCopyMode)
+        self.openLinksInApps = try container.decode(Bool.self, forKey: .openLinksInApps)
+        
+        self.defaultNotificationsMode = try container.decode(NotificationsMode.self, forKey: .defaultNotificationsType)
+        
+        self.silentActions = try container.decode([String: Permission].self, forKey: .silentActions)
+        self.statusContentType = try container.decode(StatusContentType.self, forKey: .statusContentType)
+    }
+    
+    func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: CodingKeys.self)
+        
+        try container.encode(showRepliesInProfiles, forKey: .showRepliesInProfiles)
+        try container.encode(avatarStyle, forKey: .avatarStyle)
+        try container.encode(hideCustomEmojiInUsernames, forKey: .hideCustomEmojiInUsernames)
+        
+        try container.encode(defaultPostVisibility, forKey: .defaultPostVisibility)
+        try container.encode(automaticallySaveDrafts, forKey: .automaticallySaveDrafts)
+        try container.encode(contentWarningCopyMode, forKey: .contentWarningCopyMode)
+        try container.encode(openLinksInApps, forKey: .openLinksInApps)
+        
+        try container.encode(defaultNotificationsMode, forKey: .defaultNotificationsType)
+        
+        try container.encode(silentActions, forKey: .silentActions)
+        try container.encode(statusContentType, forKey: .statusContentType)
+    }
+    
     typealias ObjectWillChangePublisher = PassthroughSubject<Preferences, Never>
     let objectWillChange = PassthroughSubject<Preferences, Never>()
     
     // MARK: - Appearance
-    var showRepliesInProfiles = false { willSet { objectWillChange.send(self) } }
+    @Published var showRepliesInProfiles = false
-    var avatarStyle = AvatarStyle.roundRect { willSet { objectWillChange.send(self) } }
+    @Published var avatarStyle = AvatarStyle.roundRect
-    var hideCustomEmojiInUsernames = false { willSet { objectWillChange.send(self) } }
+    @Published var hideCustomEmojiInUsernames = false
     
     // MARK: - Behavior
-    var defaultPostVisibility = Status.Visibility.public { willSet { objectWillChange.send(self) } }
+    @Published var defaultPostVisibility = Status.Visibility.public
-    var automaticallySaveDrafts = true { willSet { objectWillChange.send(self) } }
+    @Published var automaticallySaveDrafts = true
-    var contentWarningCopyMode = ContentWarningCopyMode.asIs { willSet { objectWillChange.send(self) } }
+    @Published var contentWarningCopyMode = ContentWarningCopyMode.asIs
-    var openLinksInApps = true { willSet { objectWillChange.send(self) } }
+    @Published var openLinksInApps = true
+    
+    // MARK: - Digital Wellness
+    @Published var defaultNotificationsMode = NotificationsMode.allNotifications
     
     // MARK: - Advanced
-    var silentActions: [String: Permission] = [:] { willSet { objectWillChange.send(self) } }
+    @Published var silentActions: [String: Permission] = [:]
-    var statusContentType: StatusContentType = .plain { willSet { objectWillChange.send(self) } }
+    @Published var statusContentType: StatusContentType = .plain
 
+    enum CodingKeys: String, CodingKey {
+        case showRepliesInProfiles
+        case avatarStyle
+        case hideCustomEmojiInUsernames
+        
+        case defaultPostVisibility
+        case automaticallySaveDrafts
+        case contentWarningCopyMode
+        case openLinksInApps
+        
+        case defaultNotificationsType
+        
+        case silentActions
+        case statusContentType
     }
     
-extension PassthroughSubject: Codable {
-    public convenience init(from decoder: Decoder) throws {
-        self.init()
-    }
-    
-    public func encode(to encoder: Encoder) throws {
-        
-    }
 }
 
 extension Preferences {

Tusker/Screens/Compose/ComposeViewController.swift

@@ -283,7 +283,12 @@ class ComposeViewController: UIViewController {
     }
     
     func updateAddAttachmentButton() {
-        addAttachmentButton.isEnabled = selectedAssets.count < 5 // 4 attachments + 1 button
+        switch MastodonController.instance.instanceType {
+        case .pleroma:
+            addAttachmentButton.isEnabled = true
+        case .mastodon:
+            addAttachmentButton.isEnabled = selectedAssets.count <= 4 && selectedAssets.first(where: { $0.mediaType == .video }) == nil
+        }
     }
     
     func updateAttachmentViews() {
@@ -311,7 +316,6 @@ class ComposeViewController: UIViewController {
     }
     
     func saveDraft() {
-        // TODO: save CW to draft
         var attachments = [DraftsManager.DraftAttachment]()
         for asset in selectedAssets {
             let index = attachments.count
@@ -559,9 +563,17 @@ extension ComposeViewController: GMImagePickerControllerDelegate {
     }
     
     func assetsPickerController(_ picker: GMImagePickerController!, shouldSelect asset: PHAsset!) -> Bool {
+        switch MastodonController.instance.instanceType {
+        case .pleroma:
+            return true
+        case .mastodon:
+            if (asset.mediaType == .video && selectedAssets.count > 0) || selectedAssets.first(where: { $0.mediaType == .video }) != nil {
+                return false
+            }
             return selectedAssets.count + picker.selectedAssets.count < 4
         }
     }
+}
 
 extension ComposeViewController: ComposeMediaViewDelegate {
     func didRemoveMedia(_ mediaView: ComposeMediaView) {

Tusker/Screens/Main/MainTabBarViewController.swift

@@ -17,7 +17,7 @@ class MainTabBarViewController: UITabBarController, UITabBarControllerDelegate {
         
         viewControllers = [
             embedInNavigationController(TimelineTableViewController(for: .home)),
-            embedInNavigationController(NotificationsTableViewController()),
+            embedInNavigationController(NotificationsPageViewController()),
             ComposeViewController(),
             embedInNavigationController(TimelineTableViewController(for: .public(local: false))),
             embedInNavigationController(MyProfileTableViewController()),

Tusker/Screens/Notifications/NotificationsPageViewController.swift

@@ -0,0 +1,54 @@
+//
+//  NotificationsPageViewController.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 9/13/19.
+//  Copyright © 2019 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Pachyderm
+
+class NotificationsPageViewController: SegmentedPageViewController {
+    
+    private let notificationsTitle = NSLocalizedString("Notifications", comment: "notifications tab title")
+    private let mentionsTitle = NSLocalizedString("Mentions", comment: "mentions tab title")
+    
+    init() {
+        let notifications = NotificationsTableViewController(allowedTypes: Pachyderm.Notification.Kind.allCases)
+        notifications.title = notificationsTitle
+        
+        let mentions = NotificationsTableViewController(allowedTypes: [.mention])
+        mentions.title = mentionsTitle
+        
+        super.init(titles: [
+            notificationsTitle,
+            mentionsTitle
+        ], pageControllers: [
+            notifications,
+            mentions
+        ])
+        
+        title = notificationsTitle
+        tabBarItem.image = UIImage(systemName: "bell.fill")
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        let index: Int
+        switch Preferences.shared.defaultNotificationsMode {
+        case .allNotifications:
+            index = 0
+        case .mentionsOnly:
+            index = 1
+        }
+        segmentedControl.selectedSegmentIndex = index
+        selectPage(at: index, animated: false)
+    }
+
+}

Tusker/Screens/Notifications/NotificationsTableViewController.swift

@@ -15,6 +15,7 @@ class NotificationsTableViewController: EnhancedTableViewController {
     private let actionGroupCell = "actionGroupCell"
     private let followGroupCell = "followGroupCell"
     
+    let excludedTypes: [Pachyderm.Notification.Kind]
     let groupTypes = [Notification.Kind.favourite, .reblog, .follow]
 
     var groups: [NotificationGroup] = [] {
@@ -28,11 +29,10 @@ class NotificationsTableViewController: EnhancedTableViewController {
     var newer: RequestRange?
     var older: RequestRange?
     
-    init() {
+    init(allowedTypes: [Pachyderm.Notification.Kind]) {
-        super.init(style: .plain)
+        self.excludedTypes = Array(Set(Pachyderm.Notification.Kind.allCases).subtracting(allowedTypes))
         
-        title = "Notifications"
+        super.init(style: .plain)
-        tabBarItem.image = UIImage(systemName: "bell.fill")
 
         self.refreshControl = UIRefreshControl()
         refreshControl!.addTarget(self, action: #selector(refreshNotifications(_:)), for: .valueChanged)
@@ -54,7 +54,7 @@ class NotificationsTableViewController: EnhancedTableViewController {
         
         tableView.prefetchDataSource = self
         
-        let request = MastodonController.client.getNotifications()
+        let request = MastodonController.client.getNotifications(excludeTypes: excludedTypes)
         MastodonController.client.run(request) { result in
             guard case let .success(notifications, pagination) = result else { fatalError() }
             
@@ -116,7 +116,7 @@ class NotificationsTableViewController: EnhancedTableViewController {
         if indexPath.row == groups.count - 1 {
             guard let older = older else { return }
             
-            let request = MastodonController.client.getNotifications(range: older)
+            let request = MastodonController.client.getNotifications(excludeTypes: excludedTypes, range: older)
             MastodonController.client.run(request) { result in
                 guard case let .success(newNotifications, pagination) = result else { fatalError() }
                 
@@ -148,7 +148,7 @@ class NotificationsTableViewController: EnhancedTableViewController {
     @objc func refreshNotifications(_ sender: Any) {
         guard let newer = newer else { return }
         
-        let request = MastodonController.client.getNotifications(range: newer)
+        let request = MastodonController.client.getNotifications(excludeTypes: excludedTypes, range: newer)
         MastodonController.client.run(request) { result in
             guard case let .success(newNotifications, pagination) = result else { fatalError() }
             

Tusker/Screens/Preferences/BehaviorPrefsView.swift

@@ -23,7 +23,7 @@ struct BehaviorPrefsView : View {
     }
     
     var section1: some View {
-        Section {
+        Section(header: Text("COMPOSING")) {
             Picker(selection: _defaultPostVisibility.binding, label: Text("Default Post Visibility")) {
                 ForEach(Status.Visibility.allCases, id: \.self) { visibility in
                     HStack {
@@ -46,7 +46,7 @@ struct BehaviorPrefsView : View {
     }
     
     var section2: some View {
-        Section {
+        Section(header: Text("READING")) {
             Toggle(isOn: _openLinksInApps.binding) {
                 Text("Open Links in Apps")
             }

Tusker/Screens/Preferences/PreferencesView.swift

@@ -18,6 +18,9 @@ struct PreferencesView : View {
                 NavigationLink(destination: BehaviorPrefsView()) {
                     Text("Behavior")
                 }
+                NavigationLink(destination: WellnessPrefsView()) {
+                    Text("Digital Wellness")
+                }
                 NavigationLink(destination: AdvancedPrefsView()) {
                     Text("Advanced")
                 }

Tusker/Screens/Preferences/WellnessPrefsView.swift

@@ -0,0 +1,39 @@
+//
+//  WellnessPrefsView.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 9/14/19.
+//  Copyright © 2019 Shadowfacts. All rights reserved.
+//
+
+import SwiftUI
+
+struct WellnessPrefsView: View {
+    @Preference(\.defaultNotificationsMode) var defaultNotificationsMode: NotificationsMode
+    var body: some View {
+        List {
+            notificationsModeSection
+        }.listStyle(GroupedListStyle())
+            .navigationBarTitle(Text("Digital Wellness"))
+    }
+    
+    var notificationsModeSection: some View {
+        Section(footer: notificationsModeFooter) {
+            Picker(selection: _defaultNotificationsMode.binding, label: Text("Default Notifications Mode")) {
+                ForEach(NotificationsMode.allCases, id: \.self) { type in
+                    Text(type.displayName).tag(type)
+                }
+            }
+        }
+    }
+    
+    var notificationsModeFooter: some View {
+        Text("Choose which kinds of notifications will be shown by default in the Notifications tab.")
+    }
+}
+
+struct WellnessPrefsView_Previews: PreviewProvider {
+    static var previews: some View {
+        WellnessPrefsView()
+    }
+}

Tusker/Screens/Utilities/SegmentedPageViewController.swift

@@ -0,0 +1,78 @@
+//
+//  SegmentedPageViewController.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 9/13/19.
+//  Copyright © 2019 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+
+class SegmentedPageViewController: UIPageViewController, UIPageViewControllerDataSource, UIPageViewControllerDelegate {
+
+    let titles: [String]
+    let pageControllers: [UIViewController]
+    
+    private(set) var currentIndex: Int!
+    
+    var segmentedControl: UISegmentedControl!
+
+    init(titles: [String], pageControllers: [UIViewController]) {
+        self.titles = titles
+        self.pageControllers = pageControllers
+        
+        super.init(transitionStyle: .scroll, navigationOrientation: .horizontal, options: nil)
+
+        self.dataSource = self
+        self.delegate = self
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        view.backgroundColor = .systemBackground
+        
+        segmentedControl = UISegmentedControl(items: titles)
+        segmentedControl.addTarget(self, action: #selector(segmentedControlChanged), for: .valueChanged)
+        navigationItem.titleView = segmentedControl
+        
+        segmentedControl.selectedSegmentIndex = 0
+        selectPage(at: 0, animated: false)
+    }
+    
+    func selectPage(at index: Int, animated: Bool) {
+        let direction: UIPageViewController.NavigationDirection = currentIndex == nil ? .forward  : index - currentIndex > 0 ? .forward : .reverse
+        setViewControllers([pageControllers[index]], direction: direction, animated: animated)
+        navigationItem.title = pageControllers[index].title
+        currentIndex = index
+    }
+    
+    @objc func segmentedControlChanged() {
+        selectPage(at: segmentedControl.selectedSegmentIndex, animated: true)
+    }
+    
+    // MARK: - Page View Controller Data Source
+    func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
+        guard let index = pageControllers.firstIndex(of: viewController),
+            index > 0 else { return nil }
+        return pageControllers[index - 1]
+    }
+    
+    func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
+        guard let index = pageControllers.firstIndex(of: viewController),
+            index < pageControllers.count - 1 else { return nil }
+        return pageControllers[index + 1]
+    }
+    
+    // MARK: - Page View Controller Delegate
+    func pageViewController(_ pageViewController: UIPageViewController, didFinishAnimating finished: Bool, previousViewControllers: [UIViewController], transitionCompleted completed: Bool) {
+        currentIndex = pageControllers.firstIndex(of: viewControllers!.first!)!
+        segmentedControl.selectedSegmentIndex = currentIndex
+        navigationItem.title = viewControllers!.first!.title
+    }
+
+}