Added Smart Invert Colors support

First take on deferred permissions request

Images.xcassets/Settings/Permissions/CellularData.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "Data@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "Data@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Images.xcassets/Settings/Permissions/Contacts.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "Contacts@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "Contacts@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Images.xcassets/Settings/Permissions/Contents.json

@@ -0,0 +1,9 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  },
+  "properties" : {
+    "provides-namespace" : true
+  }
+}

Images.xcassets/Settings/Permissions/Notifications.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "Notifications@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "Notifications@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Images.xcassets/Settings/RecentSessionsPlaceholder.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "AuthSessionsEmptyIcon@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "AuthSessionsEmptyIcon@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

TelegramUI.xcodeproj/project.pbxproj

@@ -58,6 +58,11 @@
 		09874E582107A4C300E190B8 /* VimeoEmbedImplementation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 09874E3A21075BF400E190B8 /* VimeoEmbedImplementation.swift */; };
 		09874E592107BD4100E190B8 /* GenericEmbedImplementation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 09874E4021075C1700E190B8 /* GenericEmbedImplementation.swift */; };
 		09AE3823214C110900850BFD /* LegacySecureIdScanController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 09AE3822214C110800850BFD /* LegacySecureIdScanController.swift */; };
+		09B4EE4721A6D33F00847FA6 /* RecentSessionsEmptyStateItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 09B4EE4621A6D33F00847FA6 /* RecentSessionsEmptyStateItem.swift */; };
+		09B4EE4D21A7B73800847FA6 /* PermissionController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 09B4EE4C21A7B73800847FA6 /* PermissionController.swift */; };
+		09B4EE4F21A7B75D00847FA6 /* PermissionControllerNode.swift in Sources */ = {isa = PBXBuildFile; fileRef = 09B4EE4E21A7B75D00847FA6 /* PermissionControllerNode.swift */; };
+		09B4EE5221A7CC3E00847FA6 /* SolidRoundedButtonNode.swift in Sources */ = {isa = PBXBuildFile; fileRef = 09B4EE5121A7CC3E00847FA6 /* SolidRoundedButtonNode.swift */; };
+		09B4EE5621A8149C00847FA6 /* NotificationPermissionInfoItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 09B4EE5521A8149C00847FA6 /* NotificationPermissionInfoItem.swift */; };
 		09C3466D2167D63A00B76780 /* Accessibility.swift in Sources */ = {isa = PBXBuildFile; fileRef = 09C3466C2167D63A00B76780 /* Accessibility.swift */; };
 		09C500242142BA6400EF253E /* ItemListWebsiteItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 09C500232142BA6400EF253E /* ItemListWebsiteItem.swift */; };
 		09C9EA33219F79F600E90146 /* ID3Artwork.m in Sources */ = {isa = PBXBuildFile; fileRef = 09C9EA31219F79F500E90146 /* ID3Artwork.m */; };
@@ -1124,6 +1129,11 @@
 		09874E4221075C3000E190B8 /* VKEmbedImplementation.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VKEmbedImplementation.swift; sourceTree = "<group>"; };
 		09874E4421075C3F00E190B8 /* StreamableEmbedImplementation.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StreamableEmbedImplementation.swift; sourceTree = "<group>"; };
 		09AE3822214C110800850BFD /* LegacySecureIdScanController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LegacySecureIdScanController.swift; sourceTree = "<group>"; };
+		09B4EE4621A6D33F00847FA6 /* RecentSessionsEmptyStateItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RecentSessionsEmptyStateItem.swift; sourceTree = "<group>"; };
+		09B4EE4C21A7B73800847FA6 /* PermissionController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PermissionController.swift; sourceTree = "<group>"; };
+		09B4EE4E21A7B75D00847FA6 /* PermissionControllerNode.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PermissionControllerNode.swift; sourceTree = "<group>"; };
+		09B4EE5121A7CC3E00847FA6 /* SolidRoundedButtonNode.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SolidRoundedButtonNode.swift; sourceTree = "<group>"; };
+		09B4EE5521A8149C00847FA6 /* NotificationPermissionInfoItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NotificationPermissionInfoItem.swift; sourceTree = "<group>"; };
 		09C3466C2167D63A00B76780 /* Accessibility.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Accessibility.swift; sourceTree = "<group>"; };
 		09C500232142BA6400EF253E /* ItemListWebsiteItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ItemListWebsiteItem.swift; sourceTree = "<group>"; };
 		09C9EA31219F79F500E90146 /* ID3Artwork.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ID3Artwork.m; sourceTree = "<group>"; };
@@ -2332,6 +2342,27 @@
 			path = TelegramUI/Resources/WebEmbed;
 			sourceTree = "<group>";
 		};
+		09B4EE4821A6D34900847FA6 /* Recent Sessions */ = {
+			isa = PBXGroup;
+			children = (
+				D05A32E91E6F143C002760B4 /* RecentSessionsController.swift */,
+				09B4EE4621A6D33F00847FA6 /* RecentSessionsEmptyStateItem.swift */,
+				D05A32ED1E6F25A0002760B4 /* ItemListRecentSessionItem.swift */,
+				09C500232142BA6400EF253E /* ItemListWebsiteItem.swift */,
+			);
+			name = "Recent Sessions";
+			sourceTree = "<group>";
+		};
+		09B4EE5721A82F5900847FA6 /* Permissions */ = {
+			isa = PBXGroup;
+			children = (
+				09B4EE4C21A7B73800847FA6 /* PermissionController.swift */,
+				09B4EE4E21A7B75D00847FA6 /* PermissionControllerNode.swift */,
+				09B4EE5121A7CC3E00847FA6 /* SolidRoundedButtonNode.swift */,
+			);
+			name = Permissions;
+			sourceTree = "<group>";
+		};
 		09CC52A7210615AA000578F8 /* Web Embed */ = {
 			isa = PBXGroup;
 			children = (
@@ -2563,6 +2594,7 @@
 				D01B279C1E394A500022A4C0 /* NotificationsAndSounds.swift */,
 				D0A749961E3AA25200AD786E /* NotificationSoundSelection.swift */,
 				D02C81722177AC5900CD1006 /* NotificationSearchItem.swift */,
+				09B4EE5521A8149C00847FA6 /* NotificationPermissionInfoItem.swift */,
 			);
 			name = Notifications;
 			sourceTree = "<group>";
@@ -4155,6 +4187,7 @@
 				D0430AFE1FF456F400A35ADD /* Web */,
 				D0F8C3952017747300236FC5 /* Feed */,
 				0941A99E210B053300EBE194 /* Open In */,
+				09B4EE5721A82F5900847FA6 /* Permissions */,
 			);
 			name = Controllers;
 			sourceTree = "<group>";
@@ -4560,11 +4593,9 @@
 		D0FA0AC21E7742CE005BB9B7 /* Privacy and Security */ = {
 			isa = PBXGroup;
 			children = (
+				09B4EE4821A6D34900847FA6 /* Recent Sessions */,
 				D05A32DD1E6F0097002760B4 /* PrivacyAndSecurityController.swift */,
 				D08984EF2114AE0C00918162 /* DataPrivacySettingsController.swift */,
-				D05A32ED1E6F25A0002760B4 /* ItemListRecentSessionItem.swift */,
-				09C500232142BA6400EF253E /* ItemListWebsiteItem.swift */,
-				D05A32E91E6F143C002760B4 /* RecentSessionsController.swift */,
 				D05A32EB1E6F1462002760B4 /* BlockedPeersController.swift */,
 				D05B724C1E720393000BD3AD /* SelectivePrivacySettingsController.swift */,
 				D0EF40DC1E72F00E000DFCD4 /* SelectivePrivacySettingsPeersController.swift */,
@@ -4957,6 +4988,7 @@
 				D0471B5C1EFEB4F30074D609 /* BotPaymentFieldItemNode.swift in Sources */,
 				D0C27B3D1F4B454800A4E170 /* InstantPagePlayableVideoNode.swift in Sources */,
 				D0EC6CD11EB9F58800EBF1C3 /* UrlHandling.swift in Sources */,
+				09B4EE4D21A7B73800847FA6 /* PermissionController.swift in Sources */,
 				D0FC4FBB1F751E8900B7443F /* SelectablePeerNode.swift in Sources */,
 				D0E9BAD21F0573C000F079A4 /* STPToken.m in Sources */,
 				D0EC6CD31EB9F58800EBF1C3 /* GenerateTextEntities.swift in Sources */,
@@ -5239,6 +5271,7 @@
 				D0EC6D631EB9F58800EBF1C3 /* ContactListActionItem.swift in Sources */,
 				D0EC6D641EB9F58800EBF1C3 /* ContactsPeerItem.swift in Sources */,
 				D0B85C1E1FF6F76600E795B4 /* AuthorizationSequencePasswordRecoveryControllerNode.swift in Sources */,
+				09B4EE4721A6D33F00847FA6 /* RecentSessionsEmptyStateItem.swift in Sources */,
 				D00BED201F73F60F00922292 /* ShareSearchContainerNode.swift in Sources */,
 				D0CE8CEC1F6FCCA300AA2DB0 /* TransformImageArguments.swift in Sources */,
 				D0EC6D661EB9F58800EBF1C3 /* ContactsSectionHeaderAccessoryItem.swift in Sources */,
@@ -5268,6 +5301,7 @@
 				D0EC6D731EB9F58800EBF1C3 /* AuthorizationSequenceSignUpController.swift in Sources */,
 				0979787C210642CB0077D77F /* WebEmbedPlayerNode.swift in Sources */,
 				D0C12EB01F9A8D1300600BB2 /* ListMessageDateHeader.swift in Sources */,
+				09B4EE5221A7CC3E00847FA6 /* SolidRoundedButtonNode.swift in Sources */,
 				D0E9BA5D1F055A3300F079A4 /* STPBINRange.m in Sources */,
 				D0EC6D741EB9F58800EBF1C3 /* AuthorizationSequenceSignUpControllerNode.swift in Sources */,
 				D0EC6D751EB9F58800EBF1C3 /* TelegramRootController.swift in Sources */,
@@ -5348,6 +5382,7 @@
 				D0147BA7206E8B4F00E40378 /* SecureIdAuthAcceptNode.swift in Sources */,
 				D0E8174E2011FC3800B82BBB /* ChatMessageEventLogPreviousDescriptionContentNode.swift in Sources */,
 				D0EC6D981EB9F58900EBF1C3 /* ChatMessageItemView.swift in Sources */,
+				09B4EE4F21A7B75D00847FA6 /* PermissionControllerNode.swift in Sources */,
 				09D304152173C0E900C00567 /* WatchManager.swift in Sources */,
 				9F06830921A404AB001D8EDB /* NotificationExceptionControllerNode.swift in Sources */,
 				D039FB1921711B5D00BD1BAD /* PlatformVideoContent.swift in Sources */,
@@ -5455,6 +5490,7 @@
 				D0BCC3D2203F0A6C008126C2 /* StringForMessageTimestampStatus.swift in Sources */,
 				D0EC6DCF1EB9F58900EBF1C3 /* HorizontalStickerGridItem.swift in Sources */,
 				D0EC6DD01EB9F58900EBF1C3 /* HashtagChatInputContextPanelNode.swift in Sources */,
+				09B4EE5621A8149C00847FA6 /* NotificationPermissionInfoItem.swift in Sources */,
 				D0EC6DD11EB9F58900EBF1C3 /* HashtagChatInputPanelItem.swift in Sources */,
 				D0EC6DD21EB9F58900EBF1C3 /* MentionChatInputContextPanelNode.swift in Sources */,
 				D00701A22029F6D0006B9E34 /* TGMimeTypeMap.m in Sources */,

TelegramUI/Accessibility.swift

@@ -1,6 +1,14 @@
 import SwiftSignalKit
 import UIKit
 
+func smartInvertColorsEnabled() -> Bool {
+    if #available(iOSApplicationExtension 11.0, *), UIAccessibilityIsInvertColorsEnabled() {
+        return true
+    } else {
+        return false
+    }
+}
+
 func reduceMotionEnabled() -> Signal<Bool, NoError> {
     return Signal { subscriber in
         subscriber.putNext(UIAccessibility.isReduceMotionEnabled)

TelegramUI/AvatarNode.swift

@@ -177,6 +177,14 @@ public final class AvatarNode: ASDisplayNode {
         self.addSubnode(self.imageNode)
     }
     
+    override public func didLoad() {
+        super.didLoad()
+        
+        if #available(iOSApplicationExtension 11.0, *), !self.isLayerBacked {
+            self.view.accessibilityIgnoresInvertColors = true
+        }
+    }
+    
     override public var frame: CGRect {
         get {
             return super.frame

TelegramUI/CallListCallItem.swift

@@ -204,7 +204,7 @@ class CallListCallItemNode: ItemListRevealOptionsItemNode {
         self.highlightedBackgroundNode.isLayerBacked = true
         
         self.avatarNode = AvatarNode(font: avatarFont)
-        self.avatarNode.isLayerBacked = true
+        self.avatarNode.isLayerBacked = !smartInvertColorsEnabled()
         
         self.titleNode = TextNode()
         self.statusNode = TextNode()

TelegramUI/ChatContextResultPeekContentNode.swift

@@ -106,7 +106,7 @@ private final class ChatContextResultPeekNode: ASDisplayNode, PeekControllerCont
         
         self.imageNode = TransformImageNode()
         self.imageNode.contentAnimations = [.subsequentUpdates]
-        self.imageNode.isLayerBacked = true
+        self.imageNode.isLayerBacked = !smartInvertColorsEnabled()
         self.imageNode.displaysAsynchronously = false
         
         var timebase: CMTimebase?

TelegramUI/ChatHistoryNavigationButtons.swift

@@ -90,11 +90,11 @@ final class ChatHistoryNavigationButtons: ASDisplayNode {
     
     func updateLayout(transition: ContainedViewLayoutTransition) -> CGSize {
         let buttonSize = CGSize(width: 38.0, height: 38.0)
-        let completeSize = CGSize(width: buttonSize.width, height: buttonSize.height * 2.0 + 6.0)
+        let completeSize = CGSize(width: buttonSize.width, height: buttonSize.height * 2.0 + 12.0)
         var mentionsOffset: CGFloat = 0.0
         
         if self.displayDownButton {
-            mentionsOffset = buttonSize.height + 8.0
+            mentionsOffset = buttonSize.height + 12.0
             transition.updateAlpha(node: self.downButton, alpha: 1.0)
             transition.updateTransformScale(node: self.downButton, scale: 1.0)
         } else {

TelegramUI/ChatItemGalleryFooterContentNode.swift

@@ -218,7 +218,7 @@ final class ChatItemGalleryFooterContentNode: GalleryFooterContentNode {
         
         self.textNode = ImmediateTextNode()
         self.textNode.maximumNumberOfLines = 10
-        self.textNode.linkHighlightColor = UIColor(white: 1.0, alpha: 0.4)
+        self.textNode.linkHighlightColor = UIColor(rgb: 0x5ac8fa, alpha: 0.2)
 
         self.authorNameNode = ASTextNode()
         self.authorNameNode.maximumNumberOfLines = 1

TelegramUI/ChatMediaInputPeerSpecificItem.swift

@@ -72,13 +72,13 @@ final class ChatMediaInputPeerSpecificItemNode: ListViewItemNode {
     
     private let stickerFetchedDisposable = MetaDisposable()
     
-    init() {
+    init() {        
         self.highlightNode = ASImageNode()
         self.highlightNode.isLayerBacked = true
         self.highlightNode.isHidden = true
         
         self.avatarNode = AvatarNode(font: avatarFont)
-        self.avatarNode.isLayerBacked = true
+        self.avatarNode.isLayerBacked = !smartInvertColorsEnabled()
         self.avatarNode.transform = CATransform3DMakeRotation(CGFloat.pi / 2.0, 0.0, 0.0, 1.0)
         
         let imageSize = CGSize(width: 32.0, height: 32.0)

TelegramUI/ChatMediaInputStickerPackItem.swift

@@ -80,7 +80,7 @@ final class ChatMediaInputStickerPackItemNode: ListViewItemNode {
         self.highlightNode.isHidden = true
         
         self.imageNode = TransformImageNode()
-        self.imageNode.isLayerBacked = true
+        self.imageNode.isLayerBacked = !smartInvertColorsEnabled()
         
         self.highlightNode.frame = CGRect(origin: CGPoint(x: floor((boundingSize.width - highlightSize.width) / 2.0) + verticalOffset, y: floor((boundingSize.height - highlightSize.height) / 2.0)), size: highlightSize)
         

TelegramUI/ChatMessageAttachedContentNode.swift

@@ -249,7 +249,7 @@ final class ChatMessageAttachedContentNode: ASDisplayNode {
         
         self.inlineImageNode = TransformImageNode()
         self.inlineImageNode.contentAnimations = [.subsequentUpdates]
-        self.inlineImageNode.isLayerBacked = true
+        self.inlineImageNode.isLayerBacked = !smartInvertColorsEnabled()
         self.inlineImageNode.displaysAsynchronously = false
         
         self.statusNode = ChatMessageDateAndStatusNode()

TelegramUI/ChatMessageAvatarAccessoryItem.swift

@@ -42,13 +42,15 @@ final class ChatMessageAvatarAccessoryItemNode: ListViewAccessoryItemNode {
     let avatarNode: AvatarNode
     
     override init() {
+        let isLayerBacked = !smartInvertColorsEnabled()
+        
         self.avatarNode = AvatarNode(font: avatarFont)
-        self.avatarNode.isLayerBacked = true
+        self.avatarNode.isLayerBacked = isLayerBacked
         self.avatarNode.frame = CGRect(origin: CGPoint(), size: CGSize(width: 38.0, height: 38.0))
         
         super.init()
         
-        self.isLayerBacked = true
+        self.isLayerBacked = isLayerBacked
         self.addSubnode(self.avatarNode)
     }
     

TelegramUI/ChatMessageLiveLocationPositionNode.swift

@@ -38,13 +38,15 @@ final class ChatMessageLiveLocationPositionNode: ASDisplayNode {
     private var pulseImage: UIImage?
     
     override init() {
+        let isLayerBacked = !smartInvertColorsEnabled()
+        
         self.backgroundNode = ASImageNode()
         self.backgroundNode.isLayerBacked = true
         self.backgroundNode.displaysAsynchronously = false
         self.backgroundNode.displayWithoutProcessing = true
         
         self.avatarNode = AvatarNode(font: avatarFont)
-        self.avatarNode.isLayerBacked = true
+        self.avatarNode.isLayerBacked = isLayerBacked
         
         self.pulseNode = ASImageNode()
         self.pulseNode.isLayerBacked = true
@@ -54,7 +56,7 @@ final class ChatMessageLiveLocationPositionNode: ASDisplayNode {
         
         super.init()
         
-        self.isLayerBacked = true
+        self.isLayerBacked = isLayerBacked
         
         self.addSubnode(self.pulseNode)
         self.addSubnode(self.backgroundNode)

TelegramUI/ChatMessageReplyInfoNode.swift

@@ -173,7 +173,7 @@ class ChatMessageReplyInfoNode: ASDisplayNode {
                 if let applyImage = applyImage {
                     let imageNode = applyImage()
                     if node.imageNode == nil {
-                        imageNode.isLayerBacked = true
+                        imageNode.isLayerBacked = !smartInvertColorsEnabled()
                         node.addSubnode(imageNode)
                         node.imageNode = imageNode
                     }

TelegramUI/CheckDeviceAccess.swift

@@ -2,11 +2,14 @@ import Foundation
 import UIKit
 import AVFoundation
 import Display
+import TelegramCore
 import SwiftSignalKit
 import Photos
 import CoreLocation
 import Contacts
 import AddressBook
+import UserNotifications
+import CoreTelephony
 
 import LegacyComponents
 
@@ -33,9 +36,13 @@ public enum DeviceAccessSubject {
     case mediaLibrary(DeviceAccessMediaLibrarySubject)
     case location(DeviceAccessLocationSubject)
     case contacts
+    case notifications
+    case siri
+    case cellularData
 }
 
-private enum AccessType {
+public enum AccessType {
+    case notDetermined
     case allowed
     case denied
     case restricted
@@ -49,11 +56,109 @@ public final class DeviceAccess {
         return self.contactsPromise.get()
     }
     
+    private static let notificationsPromise = Promise<AccessType?>(nil)
+    
     public static func isMicrophoneAccessAuthorized() -> Bool? {
         return AVAudioSession.sharedInstance().recordPermission() == .granted
     }
     
-    public static func authorizeAccess(to subject: DeviceAccessSubject, presentationData: PresentationData, present: @escaping (ViewController, Any?) -> Void, openSettings: @escaping () -> Void, displayNotificatoinFromBackground: @escaping (String) -> Void = { _ in }, _ completion: @escaping (Bool) -> Void) {
+    public static func authorizationStatus(account: Account, subject: DeviceAccessSubject) -> Signal<AccessType, NoError> {
+        switch subject {
+            case .notifications:
+                let status = Signal<AccessType, NoError> { subscriber in
+                    if #available(iOSApplicationExtension 10.0, *) {
+                        UNUserNotificationCenter.current().getNotificationSettings(completionHandler: { settings in
+                            switch settings.authorizationStatus {
+                                case .authorized:
+                                    subscriber.putNext(.allowed)
+                                case .denied:
+                                    subscriber.putNext(.denied)
+                                case .notDetermined:
+                                    subscriber.putNext(.notDetermined)
+                                default:
+                                    subscriber.putNext(.notDetermined)
+                            }
+                            subscriber.putCompletion()
+                        })
+                    } else {
+                        subscriber.putNext(.notDetermined)
+                        subscriber.putCompletion()
+                    }
+                    return EmptyDisposable
+                }
+                return account.telegramApplicationContext.applicationBindings.applicationInForeground
+                |> distinctUntilChanged
+                |> mapToSignal { inForeground -> Signal<AccessType, NoError> in
+                    return status
+                }
+            case .contacts:
+                let status = Signal<AccessType, NoError> { subscriber in
+                    if #available(iOSApplicationExtension 9.0, *) {
+                        switch CNContactStore.authorizationStatus(for: .contacts) {
+                            case .notDetermined:
+                                subscriber.putNext(.notDetermined)
+                            case .authorized:
+                                subscriber.putNext(.allowed)
+                            default:
+                                subscriber.putNext(.denied)
+                        }
+                        subscriber.putCompletion()
+                    } else {
+                        switch ABAddressBookGetAuthorizationStatus() {
+                            case .notDetermined:
+                                subscriber.putNext(.notDetermined)
+                            case .authorized:
+                                subscriber.putNext(.allowed)
+                            default:
+                                subscriber.putNext(.denied)
+                        }
+                        subscriber.putCompletion()
+                    }
+                    return EmptyDisposable
+                }
+                return status
+                |> then(self.contacts
+                    |> mapToSignal { authorized -> Signal<AccessType, NoError> in
+                        if let authorized = authorized {
+                            return .single(authorized ? .allowed : .denied)
+                        } else {
+                            return .complete()
+                        }
+                    })
+            case .cellularData:
+                return Signal { subscriber in
+                    if #available(iOSApplicationExtension 9.0, *) {
+                        func statusForCellularState(_ state: CTCellularDataRestrictedState) -> AccessType? {
+                            switch state {
+                            case .restricted:
+                                return .denied
+                            case .notRestricted:
+                                return .allowed
+                            default:
+                                return nil
+                            }
+                        }
+                        let cellState = CTCellularData.init()
+                        if let status = statusForCellularState(cellState.restrictedState) {
+                            subscriber.putNext(status)
+                        }
+                        cellState.cellularDataRestrictionDidUpdateNotifier = { restrictedState in
+                            if let status = statusForCellularState(restrictedState) {
+                                subscriber.putNext(status)
+                            }
+                        }
+                    } else {
+                        subscriber.putNext(.notDetermined)
+                        subscriber.putCompletion()
+                    }
+                    return EmptyDisposable
+            }
+            default:
+                return .single(.notDetermined)
+        }
+    }
+    
+    public static func authorizeAccess(to subject: DeviceAccessSubject, presentationData: PresentationData, present: @escaping (ViewController, Any?) -> Void, openSettings: @escaping () -> Void, displayNotificationFromBackground: @escaping (String) -> Void = { _ in }, _ completion: @escaping (Bool) -> Void) {
             switch subject {
                 case .camera:
                     let status = PGCamera.cameraAuthorizationStatus()
@@ -108,7 +213,7 @@ public final class DeviceAccess {
                                     openSettings()
                                 })]), nil)
                                 if case .voiceCall = microphoneSubject {
-                                    displayNotificatoinFromBackground(text)
+                                    displayNotificationFromBackground(text)
                                 }
                             }
                         })
@@ -231,6 +336,8 @@ public final class DeviceAccess {
                             }
                         }
                     })
+                default:
+                    break
             }
     }
 }

TelegramUI/ContactListNode.swift

@@ -559,6 +559,7 @@ final class ContactListNode: ASDisplayNode {
     
     var activateSearch: (() -> Void)?
     var openPeer: ((ContactListPeer) -> Void)?
+    var openPrivacyPolicy: (() -> Void)?
     
     private let previousEntries = Atomic<[ContactListNodeEntry]?>(value: nil)
     private let disposable = MetaDisposable()
@@ -567,6 +568,8 @@ final class ContactListNode: ASDisplayNode {
     private var presentationDataDisposable: Disposable?
     private let themeAndStringsPromise: Promise<(PresentationTheme, PresentationStrings, PresentationDateTimeFormat, PresentationPersonNameOrder, PresentationPersonNameOrder, Bool)>
     
+    private let authorizationNode: PermissionControllerNode
+    
     init(account: Account, presentation: ContactListPresentation, filters: [ContactListFilter] = [.excludeSelf], selectionState: ContactListNodeGroupSelectionState? = nil) {
         self.account = account
         self.presentation = presentation
@@ -579,6 +582,9 @@ final class ContactListNode: ASDisplayNode {
         
         self.themeAndStringsPromise = Promise((self.presentationData.theme, self.presentationData.strings, self.presentationData.dateTimeFormat, self.presentationData.nameSortOrder, self.presentationData.nameDisplayOrder, self.presentationData.disableAnimations))
         
+        self.authorizationNode = PermissionControllerNode(theme: defaultLightAuthorizationTheme, strings: self.presentationData.strings)
+        self.authorizationNode.updateData(subject: .contacts, currentStatus: .denied)
+        
         super.init()
         
         self.backgroundColor = self.presentationData.theme.chatList.backgroundColor
@@ -586,8 +592,9 @@ final class ContactListNode: ASDisplayNode {
         self.selectionStateValue = selectionState
         self.selectionStatePromise.set(.single(selectionState))
         
-        self.addSubnode(self.listNode)
+        //self.addSubnode(self.listNode)
-        
+        self.addSubnode(self.authorizationNode)
+
         let processingQueue = Queue()
         let previousEntries = Atomic<[ContactListNodeEntry]?>(value: nil)
         
@@ -808,6 +815,13 @@ final class ContactListNode: ASDisplayNode {
             fixSearchableListNodeScrolling(strongSelf.listNode)
         }
         
+        self.authorizationNode.allow = { [weak self] in
+            self?.account.telegramApplicationContext.applicationBindings.openSettings()
+        }
+        self.authorizationNode.openPrivacyPolicy = { [weak self] in
+            self?.openPrivacyPolicy?()
+        }
+        
         self.enableUpdates = true
     }
     
@@ -823,6 +837,11 @@ final class ContactListNode: ASDisplayNode {
         }
     }
     
+    override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
+        let result = super.hitTest(point, with: event)
+        return result
+    }
+    
     func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
         var insets = layout.insets(options: [.input])
         insets.left += layout.safeInsets.left
@@ -857,6 +876,10 @@ final class ContactListNode: ASDisplayNode {
         
         self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: nil, updateSizeAndInsets: updateSizeAndInsets, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
         
+        let sublayout = layout.addedInsets(insets: UIEdgeInsetsMake(0.0, 0.0, 40.0, 0.0))
+        transition.updateFrame(node: self.authorizationNode, frame: self.bounds)
+        self.authorizationNode.containerLayoutUpdated(sublayout, navigationBarHeight: 0.0, transition: transition)
+        
         if !self.hasValidLayout {
             self.hasValidLayout = true
             self.dequeueTransitions()

TelegramUI/ContactsController.swift

@@ -21,7 +21,7 @@ public class ContactsController: ViewController {
     
     private var presentationData: PresentationData
     private var presentationDataDisposable: Disposable?
-    private var contactsAccessDisposable: Disposable?
+    private var authorizationDisposable: Disposable?
     
     public init(account: Account) {
         self.account = account
@@ -49,18 +49,25 @@ public class ContactsController: ViewController {
         }
         
         self.presentationDataDisposable = (account.telegramApplicationContext.presentationData
-            |> deliverOnMainQueue).start(next: { [weak self] presentationData in
+        |> deliverOnMainQueue).start(next: { [weak self] presentationData in
-                if let strongSelf = self {
+            if let strongSelf = self {
-                    let previousTheme = strongSelf.presentationData.theme
+                let previousTheme = strongSelf.presentationData.theme
-                    let previousStrings = strongSelf.presentationData.strings
+                let previousStrings = strongSelf.presentationData.strings
-                    
+                
-                    strongSelf.presentationData = presentationData
+                strongSelf.presentationData = presentationData
-                    
+                
-                    if previousTheme !== presentationData.theme || previousStrings !== presentationData.strings {
+                if previousTheme !== presentationData.theme || previousStrings !== presentationData.strings {
-                        strongSelf.updateThemeAndStrings()
+                    strongSelf.updateThemeAndStrings()
-                    }
                 }
-            })
+            }
+        })
+        
+        self.authorizationDisposable = (DeviceAccess.authorizationStatus(account: account, subject: .contacts)
+        |> deliverOnMainQueue).start(next: { [weak self] status in
+            if let strongSelf = self {
+                strongSelf.tabBarItem.badgeValue = status != .allowed ? "!" : nil
+            }
+        })
     }
     
     required public init(coder aDecoder: NSCoder) {
@@ -69,7 +76,7 @@ public class ContactsController: ViewController {
     
     deinit {
         self.presentationDataDisposable?.dispose()
-        self.contactsAccessDisposable?.dispose()
+        self.authorizationDisposable?.dispose()
     }
     
     private func updateThemeAndStrings() {
@@ -107,6 +114,12 @@ public class ContactsController: ViewController {
             }*/
         }
         
+        self.contactsNode.contactListNode.openPrivacyPolicy = { [weak self] in
+            if let strongSelf = self {
+                openExternalUrl(account: strongSelf.account, context: .generic, url: "https://telegram.org/privacy", forceExternal: true, presentationData: strongSelf.presentationData, applicationContext: strongSelf.account.telegramApplicationContext, navigationController: strongSelf.navigationController as? NavigationController, dismissInput: {})
+            }
+        }
+        
         self.contactsNode.contactListNode.activateSearch = { [weak self] in
             self?.activateSearch()
         }

TelegramUI/ContactsPeerItem.swift

@@ -316,7 +316,7 @@ class ContactsPeerItemNode: ItemListRevealOptionsItemNode {
         self.highlightedBackgroundNode.isLayerBacked = true
         
         self.avatarNode = AvatarNode(font: avatarFont)
-        self.avatarNode.isLayerBacked = true
+        self.avatarNode.isLayerBacked = !smartInvertColorsEnabled()
         
         self.titleNode = TextNode()
         self.statusNode = TextNode()

TelegramUI/GalleryController.swift

@@ -305,8 +305,6 @@ class GalleryController: ViewController {
     private var performAction: (GalleryControllerInteractionTapAction) -> Void
     private var openActionOptions: (GalleryControllerInteractionTapAction) -> Void
     
-    private let resolveDisposable = MetaDisposable()
-    
     init(account: Account, source: GalleryControllerItemSource, invertItemOrder: Bool = false, streamSingleVideo: Bool = false, synchronousLoad: Bool = false, replaceRootController: @escaping (ViewController, ValuePromise<Bool>?) -> Void, baseNavigationController: NavigationController?, actionInteraction: GalleryControllerActionInteraction? = nil) {
         self.account = account
         self.replaceRootController = replaceRootController
@@ -686,7 +684,6 @@ class GalleryController: ViewController {
     
     deinit {
         self.disposable.dispose()
-        self.resolveDisposable.dispose()
         self.centralItemAttributesDisposable.dispose()
         if let hiddenMediaManagerIndex = self.hiddenMediaManagerIndex, let mediaManager = self.account.telegramApplicationContext.mediaManager {
             mediaManager.galleryHiddenMediaManager.removeSource(hiddenMediaManagerIndex)

TelegramUI/GalleryControllerNode.swift

@@ -181,9 +181,9 @@ class GalleryControllerNode: ASDisplayNode, UIScrollViewDelegate, UIGestureRecog
     override func didLoad() {
         super.didLoad()
         
-        /*let recognizer = SwipeToDismissGestureRecognizer(target: self, action: #selector(self.panGesture(_:)))
+        if #available(iOSApplicationExtension 11.0, *), !self.isLayerBacked {
-        recognizer.delegate = self
+            self.view.accessibilityIgnoresInvertColors = true
-        self.view.addGestureRecognizer(recognizer)*/
+        }
     }
     
     func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {

TelegramUI/GroupStickerPackCurrentItem.swift

@@ -116,7 +116,7 @@ class GroupStickerPackCurrentItemNode: ItemListRevealOptionsItemNode {
         self.bottomStripeNode.isLayerBacked = true
         
         self.imageNode = TransformImageNode()
-        self.imageNode.isLayerBacked = true
+        self.imageNode.isLayerBacked = !smartInvertColorsEnabled()
         
         self.notFoundNode = ASImageNode()
         self.notFoundNode.isLayerBacked = true

TelegramUI/HorizontalListContextResultsChatInputPanelItem.swift

@@ -148,7 +148,7 @@ final class HorizontalListContextResultsChatInputPanelItemNode: ListViewItemNode
         
         self.imageNode = TransformImageNode()
         self.imageNode.contentAnimations = [.subsequentUpdates]
-        self.imageNode.isLayerBacked = true
+        self.imageNode.isLayerBacked = !smartInvertColorsEnabled()
         self.imageNode.displaysAsynchronously = false
         
         var timebase: CMTimebase?
@@ -350,7 +350,8 @@ final class HorizontalListContextResultsChatInputPanelItemNode: ListViewItemNode
                         }
                     }
                     
-                    let progressFrame = CGRect(origin: CGPoint(x: floorToScreenPixels((nodeLayout.contentSize.width - 37) / 2), y: floorToScreenPixels((nodeLayout.contentSize.height - 37) / 2)), size: CGSize(width: 37, height: 37))
+                    let progressSize = CGSize(width: 24.0, height: 24.0)
+                    let progressFrame = CGRect(origin: CGPoint(x: floorToScreenPixels((nodeLayout.contentSize.width - progressSize.width) / 2.0), y: floorToScreenPixels((nodeLayout.contentSize.height - progressSize.height) / 2.0)), size: progressSize)
 
                     strongSelf.statusNode.removeFromSupernode()
                     strongSelf.addSubnode(strongSelf.statusNode)

TelegramUI/InstalledStickerPacksController.swift

@@ -236,7 +236,7 @@ private enum InstalledStickerPacksEntry: ItemListNodeEntry {
                     arguments.openSuggestOptions()
                 })
             case let .trending(theme, text, count):
-                return ItemListDisclosureItem(theme: theme, title: text, label: count == 0 ? "" : "\(count)", labelStyle: .badge, sectionId: self.section, style: .blocks, action: {
+                return ItemListDisclosureItem(theme: theme, title: text, label: count == 0 ? "" : "\(count)", labelStyle: .badge(theme.list.itemAccentColor), sectionId: self.section, style: .blocks, action: {
                     arguments.openFeatured()
                 })
             case let .masks(theme, text):

TelegramUI/InstantPageGalleryFooterContentNode.swift

@@ -36,7 +36,7 @@ final class InstantPageGalleryFooterContentNode: GalleryFooterContentNode {
         self.textNode = ImmediateTextNode()
         self.textNode.maximumNumberOfLines = 10
         self.textNode.insets = UIEdgeInsets(top: 8.0, left: 0.0, bottom: 8.0, right: 0.0)
-        self.textNode.linkHighlightColor = UIColor(white: 1.0, alpha: 0.4)
+        self.textNode.linkHighlightColor = UIColor(rgb: 0x5ac8fa, alpha: 0.2)
         
         super.init()
         

TelegramUI/ItemListController.swift

@@ -93,15 +93,17 @@ final class ItemListControllerTabBarItem: Equatable {
     let title: String
     let image: UIImage?
     let selectedImage: UIImage?
+    let badgeValue: String?
     
-    init(title: String, image: UIImage?, selectedImage: UIImage?) {
+    init(title: String, image: UIImage?, selectedImage: UIImage?, badgeValue: String? = nil) {
         self.title = title
         self.image = image
         self.selectedImage = selectedImage
+        self.badgeValue = badgeValue
     }
     
     static func ==(lhs: ItemListControllerTabBarItem, rhs: ItemListControllerTabBarItem) -> Bool {
-        return lhs.title == rhs.title && lhs.image === rhs.image && lhs.selectedImage === rhs.selectedImage
+        return lhs.title == rhs.title && lhs.image === rhs.image && lhs.selectedImage === rhs.selectedImage && lhs.badgeValue == rhs.badgeValue
     }
 }
 

TelegramUI/ItemListDisclosureItem.swift

@@ -15,7 +15,7 @@ enum ItemListDisclosureStyle {
 
 enum ItemListDisclosureLabelStyle {
     case text
-    case badge
+    case badge(UIColor)
     case color(UIColor)
 }
 
@@ -183,9 +183,11 @@ class ItemListDisclosureItemNode: ListViewItemNode {
             var updatedLabelBadgeImage: UIImage?
             var updatedLabelImage: UIImage?
             
-            var hasBadge = false
+            var badgeColor: UIColor?
-            if case .badge = item.labelStyle {
+            if case let .badge(color) = item.labelStyle {
-                hasBadge = item.label.count > 0
+                if item.label.count > 0 {
+                    badgeColor = color
+                }
             }
             if case let .color(color) = item.labelStyle {
                 var updatedColor = true
@@ -201,11 +203,11 @@ class ItemListDisclosureItemNode: ListViewItemNode {
             if currentItem?.theme !== item.theme {
                 updatedTheme = item.theme
                 updateArrowImage = PresentationResourcesItemList.disclosureArrowImage(item.theme)
-                if hasBadge {
+                if let badgeColor = badgeColor {
-                    updatedLabelBadgeImage = generateStretchableFilledCircleImage(diameter: badgeDiameter, color: item.theme.list.itemAccentColor)
+                    updatedLabelBadgeImage = generateStretchableFilledCircleImage(diameter: badgeDiameter, color: badgeColor)
                 }
-            } else if hasBadge && !currentHasBadge {
+            } else if let badgeColor = badgeColor, !currentHasBadge {
-                updatedLabelBadgeImage = generateStretchableFilledCircleImage(diameter: badgeDiameter, color: item.theme.list.itemAccentColor)
+                updatedLabelBadgeImage = generateStretchableFilledCircleImage(diameter: badgeDiameter, color: badgeColor)
             }
             
             var updateIcon = false
@@ -336,26 +338,26 @@ class ItemListDisclosureItemNode: ListViewItemNode {
                     
                     strongSelf.titleNode.frame = CGRect(origin: CGPoint(x: leftInset, y: 11.0), size: titleLayout.size)
                     
-                    let labelY: CGFloat
-                    if case .badge = item.labelStyle {
-                        labelY = 13.0
-                    } else {
-                        labelY = 11.0
-                    }
-                    strongSelf.labelNode.frame = CGRect(origin: CGPoint(x: params.width - rightInset - labelLayout.size.width, y: labelY), size: labelLayout.size)
-                    
                     if let updateBadgeImage = updatedLabelBadgeImage {
                         if strongSelf.labelBadgeNode.supernode == nil {
                             strongSelf.insertSubnode(strongSelf.labelBadgeNode, belowSubnode: strongSelf.labelNode)
                         }
                         strongSelf.labelBadgeNode.image = updateBadgeImage
                     }
-                    if !hasBadge && strongSelf.labelBadgeNode.supernode != nil {
+                    if badgeColor == nil && strongSelf.labelBadgeNode.supernode != nil {
                         strongSelf.labelBadgeNode.image = nil
                         strongSelf.labelBadgeNode.removeFromSupernode()
                     }
-                    strongSelf.labelBadgeNode.frame = CGRect(origin: CGPoint(x: params.width - rightInset - labelLayout.size.width - 5.0, y: 12.0), size: CGSize(width: max(badgeDiameter, labelLayout.size.width + 10.0), height: badgeDiameter))
                     
+                    let badgeWidth = max(badgeDiameter, labelLayout.size.width + 10.0)
+                    strongSelf.labelBadgeNode.frame = CGRect(origin: CGPoint(x: params.width - rightInset - badgeWidth, y: 12.0), size: CGSize(width: badgeWidth, height: badgeDiameter))
+                    
+                    if case .badge = item.labelStyle {
+                        strongSelf.labelNode.frame = CGRect(origin: CGPoint(x: params.width - rightInset - badgeWidth + (badgeWidth - labelLayout.size.width) / 2.0, y: 13.0), size: labelLayout.size)
+                    } else {
+                        strongSelf.labelNode.frame = CGRect(origin: CGPoint(x: params.width - rightInset - labelLayout.size.width, y: 11.0), size: labelLayout.size)
+                    }
+ 
                     if case .color = item.labelStyle {
                         if let updatedLabelImage = updatedLabelImage {
                             strongSelf.labelImageNode.image = updatedLabelImage

TelegramUI/ItemListPeerItem.swift

@@ -200,7 +200,7 @@ class ItemListPeerItemNode: ItemListRevealOptionsItemNode {
         self.bottomStripeNode.isLayerBacked = true
         
         self.avatarNode = AvatarNode(font: avatarFont)
-        self.avatarNode.isLayerBacked = true
+        self.avatarNode.isLayerBacked = !smartInvertColorsEnabled()
         
         self.titleNode = TextNode()
         self.titleNode.isUserInteractionEnabled = false

TelegramUI/ItemListStickerPackItem.swift

@@ -162,7 +162,7 @@ class ItemListStickerPackItemNode: ItemListRevealOptionsItemNode {
         self.bottomStripeNode.isLayerBacked = true
         
         self.imageNode = TransformImageNode()
-        self.imageNode.isLayerBacked = true
+        self.imageNode.isLayerBacked = !smartInvertColorsEnabled()
         
         self.titleNode = TextNode()
         self.titleNode.isUserInteractionEnabled = false

TelegramUI/LocationBroadcastActionSheetItem.swift

@@ -59,7 +59,7 @@ public class LocationBroadcastActionSheetItemNode: ActionSheetItemNode {
         self.button = HighlightTrackingButton()
         
         self.avatarNode = AvatarNode(font: avatarFont)
-        self.avatarNode.isLayerBacked = true
+        self.avatarNode.isLayerBacked = !smartInvertColorsEnabled()
         
         self.label = ImmediateTextNode()
         self.label.isUserInteractionEnabled = false

TelegramUI/MultiplexedVideoNode.swift

@@ -220,8 +220,8 @@ final class MultiplexedVideoNode: UIScrollView, UIScrollViewDelegate {
                 self.visibleThumbnailLayers[item.fileReference.media.fileId] = thumbnailLayer
             }
             
-            let progessSize = CGSize(width: 24.0, height: 24.0)
+            let progressSize = CGSize(width: 24.0, height: 24.0)
-            let progressFrame =  CGRect(origin: CGPoint(x: item.frame.midX - progessSize.width / 2.0, y: item.frame.midY - progessSize.height / 2.0), size: progessSize)
+            let progressFrame =  CGRect(origin: CGPoint(x: item.frame.midX - progressSize.width / 2.0, y: item.frame.midY - progressSize.height / 2.0), size: progressSize)
             
             let updatedStatusSignal = account.postbox.mediaBox.resourceStatus(item.fileReference.media.resource)
             

TelegramUI/NotificationPermissionInfoItem.swift

@@ -0,0 +1,207 @@
+import Foundation
+import Display
+import AsyncDisplayKit
+import SwiftSignalKit
+
+class NotificationPermissionInfoItem: ListViewItem, ItemListItem {
+    let selectable: Bool = false
+    let sectionId: ItemListSectionId
+    
+    let theme: PresentationTheme
+    let strings: PresentationStrings
+    
+    init(theme: PresentationTheme, strings: PresentationStrings, sectionId: ItemListSectionId) {
+        self.theme = theme
+        self.strings = strings
+        self.sectionId = sectionId
+    }
+    
+    func nodeConfiguredForParams(async: @escaping (@escaping () -> Void) -> Void, params: ListViewItemLayoutParams, previousItem: ListViewItem?, nextItem: ListViewItem?, completion: @escaping (ListViewItemNode, @escaping () -> (Signal<Void, NoError>?, () -> Void)) -> Void) {
+        async {
+            let node = NotificationPermissionInfoItemNode()
+            let (layout, apply) = node.asyncLayout()(self, params, itemListNeighbors(item: self, topItem: previousItem as? ItemListItem, bottomItem: nextItem as? ItemListItem))
+            
+            node.contentSize = layout.contentSize
+            node.insets = layout.insets
+            
+            Queue.mainQueue().async {
+                completion(node, {
+                    return (nil, { apply() })
+                })
+            }
+        }
+    }
+    
+    func updateNode(async: @escaping (@escaping () -> Void) -> Void, node: @escaping () -> ListViewItemNode, params: ListViewItemLayoutParams, previousItem: ListViewItem?, nextItem: ListViewItem?, animation: ListViewItemUpdateAnimation, completion: @escaping (ListViewItemNodeLayout, @escaping () -> Void) -> Void) {
+        Queue.mainQueue().async {
+            if let nodeValue = node() as? NotificationPermissionInfoItemNode {
+                let makeLayout = nodeValue.asyncLayout()
+                
+                async {
+                    let (layout, apply) = makeLayout(self, params, itemListNeighbors(item: self, topItem: previousItem as? ItemListItem, bottomItem: nextItem as? ItemListItem))
+                    Queue.mainQueue().async {
+                        completion(layout, {
+                            apply()
+                        })
+                    }
+                }
+            }
+        }
+    }
+}
+
+private let titleFont = Font.semibold(17.0)
+private let textFont = Font.regular(16.0)
+private let badgeFont = Font.regular(15.0)
+
+class NotificationPermissionInfoItemNode: ListViewItemNode {
+    private let backgroundNode: ASDisplayNode
+    private let topStripeNode: ASDisplayNode
+    private let bottomStripeNode: ASDisplayNode
+    
+    let badgeNode: ASImageNode
+    let labelNode: TextNode
+    let titleNode: TextNode
+    let textNode: TextNode
+    
+    private var item: NotificationPermissionInfoItem?
+    
+    override var canBeSelected: Bool {
+        return false
+    }
+    
+    init() {
+        self.backgroundNode = ASDisplayNode()
+        self.backgroundNode.isLayerBacked = true
+        self.backgroundNode.backgroundColor = .white
+        
+        self.topStripeNode = ASDisplayNode()
+        self.topStripeNode.isLayerBacked = true
+        
+        self.bottomStripeNode = ASDisplayNode()
+        self.bottomStripeNode.isLayerBacked = true
+        
+        self.badgeNode = ASImageNode()
+        self.badgeNode.displayWithoutProcessing = true
+        self.badgeNode.displaysAsynchronously = false
+        self.badgeNode.isLayerBacked = true
+        
+        self.labelNode = TextNode()
+        self.labelNode.isUserInteractionEnabled = false
+        
+        self.titleNode = TextNode()
+        self.titleNode.isUserInteractionEnabled = false
+        
+        self.textNode = TextNode()
+        self.textNode.isUserInteractionEnabled = false
+    
+        super.init(layerBacked: false, dynamicBounce: false)
+        
+        self.addSubnode(self.badgeNode)
+        self.addSubnode(self.labelNode)
+        self.addSubnode(self.titleNode)
+        self.addSubnode(self.textNode)
+    }
+    
+    func asyncLayout() -> (_ item: NotificationPermissionInfoItem, _ params: ListViewItemLayoutParams, _ insets: ItemListNeighbors) -> (ListViewItemNodeLayout, () -> Void) {
+        let makeLabelLayout = TextNode.asyncLayout(self.labelNode)
+        let makeTitleLayout = TextNode.asyncLayout(self.titleNode)
+        let makeTextLayout = TextNode.asyncLayout(self.textNode)
+        
+        let currentItem = self.item
+        
+        return { item, params, neighbors in
+            let leftInset: CGFloat = 16.0 + params.leftInset
+            let rightInset: CGFloat = 16.0 + params.rightInset
+    
+            var updatedTheme: PresentationTheme?
+            var updatedBadgeImage: UIImage?
+            
+            let badgeDiameter: CGFloat = 20.0
+            if currentItem?.theme !== item.theme {
+                updatedTheme = item.theme
+                updatedBadgeImage = generateStretchableFilledCircleImage(diameter: badgeDiameter, color: item.theme.list.itemDestructiveColor)
+            }
+            
+            let insets = itemListNeighborsGroupedInsets(neighbors)
+            let separatorHeight = UIScreenPixel
+            let itemBackgroundColor = item.theme.list.itemBlocksBackgroundColor
+            let itemSeparatorColor = item.theme.list.itemBlocksSeparatorColor
+            
+            let (labelLayout, labelApply) = makeLabelLayout(TextNodeLayoutArguments(attributedString: NSAttributedString(string: "!", font: badgeFont, textColor: item.theme.list.itemCheckColors.foregroundColor), backgroundColor: nil, maximumNumberOfLines: 1, truncationType: .end, constrainedSize: CGSize(width: badgeDiameter, height: badgeDiameter), alignment: .natural, cutout: nil, insets: UIEdgeInsets()))
+            let (titleLayout, titleApply) = makeTitleLayout(TextNodeLayoutArguments(attributedString: NSAttributedString(string: "Turn ON Notifications", font: titleFont, textColor: item.theme.list.itemPrimaryTextColor), backgroundColor: nil, maximumNumberOfLines: 1, truncationType: .end, constrainedSize: CGSize(width: params.width - leftInset - rightInset - badgeDiameter - 8.0, height: CGFloat.greatestFiniteMagnitude), alignment: .natural, cutout: nil, insets: UIEdgeInsets()))
+            let (textLayout, textApply) = makeTextLayout(TextNodeLayoutArguments(attributedString: NSAttributedString(string: "Don't miss important messages from your friends and coworkers.", font: textFont, textColor: item.theme.list.itemPrimaryTextColor), backgroundColor: nil, maximumNumberOfLines: 3, truncationType: .end, constrainedSize: CGSize(width: params.width - leftInset - rightInset, height: CGFloat.greatestFiniteMagnitude), alignment: .natural, cutout: nil, insets: UIEdgeInsets()))
+            
+            let contentSize = CGSize(width: params.width, height: titleLayout.size.height + textLayout.size.height + 36.0)
+            return (ListViewItemNodeLayout(contentSize: contentSize, insets: insets), { [weak self] in
+                if let strongSelf = self {
+                    strongSelf.item = item
+                
+                    if let _ = updatedTheme {
+                        strongSelf.topStripeNode.backgroundColor = itemSeparatorColor
+                        strongSelf.bottomStripeNode.backgroundColor = itemSeparatorColor
+                        strongSelf.backgroundNode.backgroundColor = itemBackgroundColor
+                    }
+                    
+                    let _ = labelApply()
+                    let _ = titleApply()
+                    let _ = textApply()
+                    
+                    if strongSelf.backgroundNode.supernode == nil {
+                        strongSelf.insertSubnode(strongSelf.backgroundNode, at: 0)
+                    }
+                    if strongSelf.topStripeNode.supernode == nil {
+                        strongSelf.insertSubnode(strongSelf.topStripeNode, at: 1)
+                    }
+                    if strongSelf.bottomStripeNode.supernode == nil {
+                        strongSelf.insertSubnode(strongSelf.bottomStripeNode, at: 2)
+                    }
+                    switch neighbors.top {
+                        case .sameSection(false):
+                            strongSelf.topStripeNode.isHidden = true
+                        default:
+                            strongSelf.topStripeNode.isHidden = false
+                    }
+                    let bottomStripeInset: CGFloat
+                    switch neighbors.bottom {
+                        case .sameSection(false):
+                            bottomStripeInset = leftInset
+                        default:
+                            bottomStripeInset = 0.0
+                    }
+                    
+                    strongSelf.backgroundNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -min(insets.top, separatorHeight)), size: CGSize(width: params.width, height: contentSize.height + min(insets.top, separatorHeight) + min(insets.bottom, separatorHeight)))
+                    strongSelf.topStripeNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -min(insets.top, separatorHeight)), size: CGSize(width: params.width, height: separatorHeight))
+                    strongSelf.bottomStripeNode.frame = CGRect(origin: CGPoint(x: bottomStripeInset, y: contentSize.height - separatorHeight), size: CGSize(width: params.width - bottomStripeInset, height: separatorHeight))
+                    
+                    if let updateBadgeImage = updatedBadgeImage {
+                        if strongSelf.badgeNode.supernode == nil {
+                            strongSelf.insertSubnode(strongSelf.badgeNode, belowSubnode: strongSelf.labelNode)
+                        }
+                        strongSelf.badgeNode.image = updateBadgeImage
+                    }
+                    
+                    strongSelf.badgeNode.frame = CGRect(origin: CGPoint(x: leftInset, y: 16.0), size: CGSize(width: badgeDiameter, height: badgeDiameter))
+                    
+                    strongSelf.labelNode.frame = CGRect(origin: CGPoint(x: strongSelf.badgeNode.frame.midX - labelLayout.size.width / 2.0, y: strongSelf.badgeNode.frame.minY + 1.0), size: labelLayout.size)
+                    
+                    strongSelf.titleNode.frame = CGRect(origin: CGPoint(x: strongSelf.badgeNode.frame.maxX + 8.0, y: 16.0), size: titleLayout.size)
+                    
+                    strongSelf.textNode.frame = CGRect(origin: CGPoint(x: leftInset, y: strongSelf.titleNode.frame.maxY + 9.0), size: textLayout.size)
+                }
+            })
+        }
+    }
+
+    override func animateInsertion(_ currentTimestamp: Double, duration: Double, short: Bool) {
+        self.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.4)
+    }
+    
+    override func animateAdded(_ currentTimestamp: Double, duration: Double) {
+        self.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
+    }
+    
+    override func animateRemoved(_ currentTimestamp: Double, duration: Double) {
+        self.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, removeOnCompletion: false)
+    }
+}

TelegramUI/NotificationsAndSounds.swift

@@ -10,6 +10,8 @@ private final class NotificationsAndSoundsArguments {
     let pushController: (ViewController) -> Void
     let soundSelectionDisposable: MetaDisposable
     
+    let enableNotifications: () -> Void
+    
     let updateMessageAlerts: (Bool) -> Void
     let updateMessagePreviews: (Bool) -> Void
     let updateMessageSound: (PeerMessageSound) -> Void
@@ -37,11 +39,12 @@ private final class NotificationsAndSoundsArguments {
     
     let openAppSettings: () -> Void
     
-    init(account: Account, presentController: @escaping (ViewController, ViewControllerPresentationArguments?) -> Void, pushController: @escaping(ViewController)->Void, soundSelectionDisposable: MetaDisposable, updateMessageAlerts: @escaping (Bool) -> Void, updateMessagePreviews: @escaping (Bool) -> Void, updateMessageSound: @escaping (PeerMessageSound) -> Void, updateGroupAlerts: @escaping (Bool) -> Void, updateGroupPreviews: @escaping (Bool) -> Void, updateGroupSound: @escaping (PeerMessageSound) -> Void, updateChannelAlerts: @escaping (Bool) -> Void, updateChannelPreviews: @escaping (Bool) -> Void, updateChannelSound: @escaping (PeerMessageSound) -> Void, updateInAppSounds: @escaping (Bool) -> Void, updateInAppVibration: @escaping (Bool) -> Void, updateInAppPreviews: @escaping (Bool) -> Void, updateDisplayNameOnLockscreen: @escaping (Bool) -> Void, updateTotalUnreadCountStyle: @escaping (Bool) -> Void, updateIncludeTag: @escaping (PeerSummaryCounterTags, Bool) -> Void, updateTotalUnreadCountCategory: @escaping (Bool) -> Void, resetNotifications: @escaping () -> Void, updatedExceptionMode: @escaping(NotificationExceptionMode) -> Void, openAppSettings: @escaping () -> Void) {
+    init(account: Account, presentController: @escaping (ViewController, ViewControllerPresentationArguments?) -> Void, pushController: @escaping(ViewController)->Void, soundSelectionDisposable: MetaDisposable, enableNotifications: @escaping () -> Void, updateMessageAlerts: @escaping (Bool) -> Void, updateMessagePreviews: @escaping (Bool) -> Void, updateMessageSound: @escaping (PeerMessageSound) -> Void, updateGroupAlerts: @escaping (Bool) -> Void, updateGroupPreviews: @escaping (Bool) -> Void, updateGroupSound: @escaping (PeerMessageSound) -> Void, updateChannelAlerts: @escaping (Bool) -> Void, updateChannelPreviews: @escaping (Bool) -> Void, updateChannelSound: @escaping (PeerMessageSound) -> Void, updateInAppSounds: @escaping (Bool) -> Void, updateInAppVibration: @escaping (Bool) -> Void, updateInAppPreviews: @escaping (Bool) -> Void, updateDisplayNameOnLockscreen: @escaping (Bool) -> Void, updateTotalUnreadCountStyle: @escaping (Bool) -> Void, updateIncludeTag: @escaping (PeerSummaryCounterTags, Bool) -> Void, updateTotalUnreadCountCategory: @escaping (Bool) -> Void, resetNotifications: @escaping () -> Void, updatedExceptionMode: @escaping(NotificationExceptionMode) -> Void, openAppSettings: @escaping () -> Void) {
         self.account = account
         self.presentController = presentController
         self.pushController = pushController
         self.soundSelectionDisposable = soundSelectionDisposable
+        self.enableNotifications = enableNotifications
         self.updateMessageAlerts = updateMessageAlerts
         self.updateMessagePreviews = updateMessagePreviews
         self.updateMessageSound = updateMessageSound
@@ -65,6 +68,7 @@ private final class NotificationsAndSoundsArguments {
 }
 
 private enum NotificationsAndSoundsSection: Int32 {
+    case permission
     case messages
     case groups
     case channels
@@ -75,6 +79,9 @@ private enum NotificationsAndSoundsSection: Int32 {
 }
 
 private enum NotificationsAndSoundsEntry: ItemListNodeEntry {
+    case permissionInfo(PresentationTheme, PresentationStrings)
+    case permissionEnable(PresentationTheme, String)
+    
     case messageHeader(PresentationTheme, String)
     case messageAlerts(PresentationTheme, String, Bool)
     case messagePreviews(PresentationTheme, String, Bool)
@@ -117,6 +124,8 @@ private enum NotificationsAndSoundsEntry: ItemListNodeEntry {
     
     var section: ItemListSectionId {
         switch self {
+            case .permissionInfo, .permissionEnable:
+                return NotificationsAndSoundsSection.permission.rawValue
             case .messageHeader, .messageAlerts, .messagePreviews, .messageSound, .messageNotice, .userExceptions:
                 return NotificationsAndSoundsSection.messages.rawValue
             case .groupHeader, .groupAlerts, .groupPreviews, .groupSound, .groupNotice, .groupExceptions:
@@ -136,75 +145,91 @@ private enum NotificationsAndSoundsEntry: ItemListNodeEntry {
     
     var stableId: Int32 {
         switch self {
-            case .messageHeader:
+            case .permissionInfo:
                 return 0
-            case .messageAlerts:
+            case .permissionEnable:
                 return 1
-            case .messagePreviews:
+            case .messageHeader:
                 return 2
-            case .messageSound:
+            case .messageAlerts:
                 return 3
-            case .userExceptions:
+            case .messagePreviews:
                 return 4
-            case .messageNotice:
+            case .messageSound:
                 return 5
-            case .groupHeader:
+            case .userExceptions:
                 return 6
-            case .groupAlerts:
+            case .messageNotice:
                 return 7
-            case .groupPreviews:
+            case .groupHeader:
                 return 8
-            case .groupSound:
+            case .groupAlerts:
                 return 9
-            case .groupExceptions:
+            case .groupPreviews:
                 return 10
-            case .groupNotice:
+            case .groupSound:
                 return 11
-            case .channelHeader:
+            case .groupExceptions:
                 return 12
-            case .channelAlerts:
+            case .groupNotice:
                 return 13
-            case .channelPreviews:
+            case .channelHeader:
                 return 14
-            case .channelSound:
+            case .channelAlerts:
                 return 15
-            case .channelExceptions:
+            case .channelPreviews:
                 return 16
-            case .channelNotice:
+            case .channelSound:
                 return 17
-            case .inAppHeader:
+            case .channelExceptions:
                 return 18
-            case .inAppSounds:
+            case .channelNotice:
                 return 19
-            case .inAppVibrate:
+            case .inAppHeader:
                 return 20
-            case .inAppPreviews:
+            case .inAppSounds:
                 return 21
-            case .displayNamesOnLockscreen:
+            case .inAppVibrate:
                 return 22
-            case .displayNamesOnLockscreenInfo:
+            case .inAppPreviews:
                 return 23
-            case .badgeHeader:
+            case .displayNamesOnLockscreen:
                 return 24
-            case .unreadCountStyle:
+            case .displayNamesOnLockscreenInfo:
                 return 25
-            case .includePublicGroups:
+            case .badgeHeader:
                 return 26
-            case .includeChannels:
+            case .unreadCountStyle:
                 return 27
-            case .unreadCountCategory:
+            case .includePublicGroups:
                 return 28
-            case .unreadCountCategoryInfo:
+            case .includeChannels:
                 return 29
-            case .reset:
+            case .unreadCountCategory:
                 return 30
-            case .resetNotice:
+            case .unreadCountCategoryInfo:
                 return 31
+            case .reset:
+                return 32
+            case .resetNotice:
+                return 33
         }
     }
     
     static func ==(lhs: NotificationsAndSoundsEntry, rhs: NotificationsAndSoundsEntry) -> Bool {
         switch lhs {
+            case let .permissionInfo(lhsTheme, lhsStrings):
+                if case let .permissionInfo(rhsTheme, rhsStrings) = rhs, lhsTheme === rhsTheme, lhsStrings === rhsStrings {
+                    return true
+                } else {
+                    return false
+            }
+            case let .permissionEnable(lhsTheme, lhsText):
+                if case let .permissionEnable(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
+                    return true
+                } else {
+                    return false
+                }
             case let .messageHeader(lhsTheme, lhsText):
                 if case let .messageHeader(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
                     return true
@@ -406,6 +431,12 @@ private enum NotificationsAndSoundsEntry: ItemListNodeEntry {
     
     func item(_ arguments: NotificationsAndSoundsArguments) -> ListViewItem {
         switch self {
+            case let .permissionInfo(theme, strings):
+                return NotificationPermissionInfoItem(theme: theme, strings: strings, sectionId: self.section)
+            case let .permissionEnable(theme, text):
+                return ItemListActionItem(theme: theme, title: text, kind: .generic, alignment: .natural, sectionId: self.section, style: .blocks, action: {
+                    arguments.enableNotifications()
+                })
             case let .messageHeader(theme, text):
                 return ItemListSectionHeaderItem(theme: theme, text: text, sectionId: self.section)
             case let .messageAlerts(theme, text, value):
@@ -538,9 +569,20 @@ private func filteredGlobalSound(_ sound: PeerMessageSound) -> PeerMessageSound
     }
 }
 
-private func notificationsAndSoundsEntries(globalSettings: GlobalNotificationSettingsSet, inAppSettings: InAppNotificationSettings, exceptions: (users: NotificationExceptionMode, groups: NotificationExceptionMode, channels: NotificationExceptionMode), presentationData: PresentationData) -> [NotificationsAndSoundsEntry] {
+private func notificationsAndSoundsEntries(authorizationStatus: AccessType, globalSettings: GlobalNotificationSettingsSet, inAppSettings: InAppNotificationSettings, exceptions: (users: NotificationExceptionMode, groups: NotificationExceptionMode, channels: NotificationExceptionMode), presentationData: PresentationData) -> [NotificationsAndSoundsEntry] {
     var entries: [NotificationsAndSoundsEntry] = []
     
+    switch authorizationStatus {
+        case .denied:
+            entries.append(.permissionInfo(presentationData.theme, presentationData.strings))
+            entries.append(.permissionEnable(presentationData.theme, "Turn ON in Settings"))
+        case .notDetermined:
+            entries.append(.permissionInfo(presentationData.theme, presentationData.strings))
+            entries.append(.permissionEnable(presentationData.theme, "Turn Notifications ON"))
+        default:
+            break
+    }
+    
     entries.append(.messageHeader(presentationData.theme, presentationData.strings.Notifications_MessageNotifications))
     entries.append(.messageAlerts(presentationData.theme, presentationData.strings.Notifications_MessageNotificationsAlert, globalSettings.privateChats.enabled))
     entries.append(.messagePreviews(presentationData.theme, presentationData.strings.Notifications_MessageNotificationsPreview, globalSettings.privateChats.displayPreviews))
@@ -600,8 +642,6 @@ public func notificationsAndSoundsController(account: Account, exceptionsList: N
     var presentControllerImpl: ((ViewController, ViewControllerPresentationArguments?) -> Void)?
     var pushControllerImpl: ((ViewController) -> Void)?
     
-    
-    
     let notificationExceptions: Promise<(users: NotificationExceptionMode, groups: NotificationExceptionMode, channels: NotificationExceptionMode)> = Promise()
     
     let updateNotificationExceptions:((users: NotificationExceptionMode, groups: NotificationExceptionMode, channels: NotificationExceptionMode)) -> Void = { value in
@@ -612,7 +652,20 @@ public func notificationsAndSoundsController(account: Account, exceptionsList: N
         presentControllerImpl?(controller, arguments)
     }, pushController: { controller in
         pushControllerImpl?(controller)
-    }, soundSelectionDisposable: MetaDisposable(), updateMessageAlerts: { value in
+    }, soundSelectionDisposable: MetaDisposable(), enableNotifications: {
+        let _ = (DeviceAccess.authorizationStatus(account: account, subject: .notifications)
+        |> take(1)
+        |> deliverOnMainQueue).start(next: { status in
+            switch status {
+                case .notDetermined:
+                    account.telegramApplicationContext.applicationBindings.registerForNotifications()
+                case .denied, .restricted:
+                    account.telegramApplicationContext.applicationBindings.openSettings()
+                default:
+                    break
+            }
+        })
+    }, updateMessageAlerts: { value in
         let _ = updateGlobalNotificationSettingsInteractively(postbox: account.postbox, { settings in
             return settings.withUpdatedPrivateChats {
                 return $0.withUpdatedEnabled(value)
@@ -799,8 +852,8 @@ public func notificationsAndSoundsController(account: Account, exceptionsList: N
     
 
     
-    let signal = combineLatest((account.applicationContext as! TelegramApplicationContext).presentationData, preferences, notificationExceptions.get())
+    let signal = combineLatest((account.applicationContext as! TelegramApplicationContext).presentationData, preferences, notificationExceptions.get(), DeviceAccess.authorizationStatus(account: account, subject: .notifications))
-        |> map { presentationData, view, exceptions -> (ItemListControllerState, (ItemListNodeState<NotificationsAndSoundsEntry>, NotificationsAndSoundsEntry.ItemGenerationArguments)) in
+        |> map { presentationData, view, exceptions, authorizationStatus -> (ItemListControllerState, (ItemListNodeState<NotificationsAndSoundsEntry>, NotificationsAndSoundsEntry.ItemGenerationArguments)) in
             
             let viewSettings: GlobalNotificationSettingsSet
             if let settings = view.values[PreferencesKeys.globalNotifications] as? GlobalNotificationSettings {
@@ -817,7 +870,7 @@ public func notificationsAndSoundsController(account: Account, exceptionsList: N
             }
             
             let controllerState = ItemListControllerState(theme: presentationData.theme, title: .text(presentationData.strings.Notifications_Title), leftNavigationButton: nil, rightNavigationButton: nil, backNavigationButton: ItemListBackButton(title: presentationData.strings.Common_Back))
-            let listState = ItemListNodeState(entries: notificationsAndSoundsEntries(globalSettings: viewSettings, inAppSettings: inAppSettings, exceptions: exceptions, presentationData: presentationData), style: .blocks)
+            let listState = ItemListNodeState(entries: notificationsAndSoundsEntries(authorizationStatus: authorizationStatus, globalSettings: viewSettings, inAppSettings: inAppSettings, exceptions: exceptions, presentationData: presentationData), style: .blocks)
             
             return (controllerState, (listState, arguments))
     }

TelegramUI/PermissionController.swift

@@ -0,0 +1,63 @@
+import Foundation
+import Display
+import AsyncDisplayKit
+import SwiftSignalKit
+import TelegramCore
+
+final class PermissionController : ViewController {
+    private var controllerNode: PermissionControllerNode {
+        return self.displayNode as! PermissionControllerNode
+    }
+    
+    private let account: Account
+    private let strings: PresentationStrings
+    private let theme: AuthorizationTheme
+    
+    init(account: Account) {
+        self.account = account
+        self.strings = account.telegramApplicationContext.currentPresentationData.with { $0 }.strings
+        self.theme = defaultLightAuthorizationTheme
+        
+        super.init(navigationBarPresentationData: NavigationBarPresentationData(theme: AuthorizationSequenceController.navigationBarTheme(theme), strings: NavigationBarStrings(presentationStrings: strings)))
+        
+        self.supportedOrientations = ViewControllerSupportedOrientations(regularSize: .all, compactSize: .portrait)
+        
+        self.statusBar.statusBarStyle = self.theme.statusBarStyle
+    }
+    
+    required init(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func loadDisplayNode() {
+        self.displayNode = PermissionControllerNode(theme: self.theme, strings: self.strings)
+        self.displayNodeDidLoad()
+        
+        self.controllerNode.dismiss = { [weak self] in
+            self?.presentingViewController?.dismiss(animated: false, completion: nil)
+        }
+        self.controllerNode.allow = { [weak self] in
+            self?.account.telegramApplicationContext.applicationBindings.openSettings()
+        }
+        self.controllerNode.next = { [weak self] in
+            self?.dismiss(completion: nil)
+        }
+        self.controllerNode.openPrivacyPolicy = {
+            
+        }
+    }
+    
+    override func dismiss(completion: (() -> Void)?) {
+        self.controllerNode.animateOut(completion: completion)
+    }
+    
+    func updateData(subject: DeviceAccessSubject, currentStatus: AccessType) {
+        self.controllerNode.updateData(subject: .notifications, currentStatus: currentStatus)
+    }
+    
+    override func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
+        super.containerLayoutUpdated(layout, transition: transition)
+        
+        self.controllerNode.containerLayoutUpdated(layout, navigationBarHeight: self.navigationHeight, transition: transition)
+    }
+}

TelegramUI/PermissionControllerNode.swift

@@ -0,0 +1,203 @@
+import Foundation
+import Display
+import AsyncDisplayKit
+import SwiftSignalKit
+import TelegramCore
+
+final class PermissionControllerNode: ASDisplayNode {
+    private let theme: AuthorizationTheme
+    private let strings: PresentationStrings
+    
+    private let iconNode: ASImageNode
+    private let titleNode: ImmediateTextNode
+    private let textNode: ImmediateTextNode
+    private let buttonNode: SolidRoundedButtonNode
+    private let privacyPolicyNode: HighlightableButtonNode
+    private let nextNode: HighlightableButtonNode
+    
+    private var layoutArguments: (ContainerViewLayout, CGFloat)?
+    
+    private var title: String?
+    
+    var allow: (() -> Void)?
+    var next: (() -> Void)? {
+        didSet {
+            self.nextNode.isHidden = self.next == nil
+        }
+    }
+    var openPrivacyPolicy: (() -> Void)?
+    var dismiss: (() -> Void)?
+    
+    init(theme: AuthorizationTheme, strings: PresentationStrings) {
+        self.theme = theme
+        self.strings = strings
+        
+        self.iconNode = ASImageNode()
+        self.iconNode.isLayerBacked = true
+        self.iconNode.displayWithoutProcessing = true
+        self.iconNode.displaysAsynchronously = false
+        
+        self.titleNode = ImmediateTextNode()
+        self.titleNode.maximumNumberOfLines = 0
+        self.titleNode.textAlignment = .center
+        self.titleNode.isUserInteractionEnabled = false
+        self.titleNode.displaysAsynchronously = false
+        
+        self.textNode = ImmediateTextNode()
+        self.textNode.textAlignment = .center
+        self.textNode.maximumNumberOfLines = 0
+        self.textNode.displaysAsynchronously = false
+        let body = MarkdownAttributeSet(font: Font.regular(16.0), textColor: theme.primaryColor)
+        let link = MarkdownAttributeSet(font: Font.regular(16.0), textColor: theme.accentColor, additionalAttributes: [TelegramTextAttributes.URL: ""])
+        self.textNode.attributedText = parseMarkdownIntoAttributedString(strings.Login_TermsOfServiceLabel.replacingOccurrences(of: "]", with: "]()"), attributes: MarkdownAttributes(body: body, bold: body, link: link, linkAttribute: { _ in nil }), textAlignment: .center)
+        
+        self.buttonNode = SolidRoundedButtonNode(theme: self.theme, height: 48.0, cornerRadius: 9.0)
+        
+        self.privacyPolicyNode = HighlightableButtonNode()
+        self.privacyPolicyNode.setTitle("Privacy Policy", with: Font.regular(16.0), with: self.theme.accentColor, for: .normal)
+        
+        self.nextNode = HighlightableButtonNode()
+        self.nextNode.setTitle("Skip", with: Font.regular(17.0), with: self.theme.accentColor, for: .normal)
+        self.nextNode.isHidden = true
+        
+        super.init()
+        
+        self.setViewBlock({
+            return UITracingLayerView()
+        })
+        
+        self.backgroundColor = self.theme.backgroundColor
+        
+        self.addSubnode(self.iconNode)
+        self.addSubnode(self.titleNode)
+        self.addSubnode(self.textNode)
+        self.addSubnode(self.buttonNode)
+        self.addSubnode(self.privacyPolicyNode)
+        self.addSubnode(self.nextNode)
+        
+        self.buttonNode.pressed = { [weak self] in
+            self?.allow?()
+        }
+    
+        self.privacyPolicyNode.addTarget(self, action: #selector(self.privacyPolicyPressed), forControlEvents: .touchUpInside)
+        self.nextNode.addTarget(self, action: #selector(self.nextPressed), forControlEvents: .touchUpInside)
+    }
+    
+    func updateData(subject: DeviceAccessSubject, currentStatus: AccessType) {
+        var icon: UIImage?
+        var title = ""
+        var text = ""
+        var buttonTitle = ""
+        var hasPrivacyPolicy = false
+        
+        switch subject {
+            case .contacts:
+                icon = UIImage(bundleImageName: "Settings/Permissions/Contacts")
+                title = "Sync Your Contacts"
+                text = "See who's on Telegram and switch seamlessly, without having to \"add\" to add your friends."
+                if currentStatus == .denied {
+                    buttonTitle = "Allow in Settings"
+                } else {
+                    buttonTitle = "Allow Access"
+                }
+                hasPrivacyPolicy = true
+            case .notifications:
+                icon = UIImage(bundleImageName: "Settings/Permissions/Notifications")
+                title = "Turn ON Notifications"
+                text = "Don't miss important messages from your friends and coworkers."
+                if currentStatus == .denied || currentStatus == .restricted {
+                    buttonTitle = "Turn ON in Settings"
+                } else {
+                    buttonTitle = "Turn Notifications ON"
+                }
+            case .cellularData:
+                icon = UIImage(bundleImageName: "Settings/Permissions/CellularData")
+                title = "Turn ON Mobile Data"
+                text = "Don't worry, Telegram keeps network usage to a minimum. You can further control this in Settings > Data and Storage."
+                buttonTitle = "Turn ON in Settings"
+            case .siri:
+                title = "Turn ON Siri"
+                text = "Use Siri to send messages and make calls."
+                if currentStatus == .denied {
+                    buttonTitle = "Turn ON in Settings"
+                } else {
+                    buttonTitle = "Turn Siri ON"
+                }
+            default:
+                break
+        }
+        
+        self.iconNode.image = icon
+        self.title = title
+
+        let body = MarkdownAttributeSet(font: Font.regular(16.0), textColor: self.theme.primaryColor)
+        let link = MarkdownAttributeSet(font: Font.regular(16.0), textColor: self.theme.accentColor, additionalAttributes: [TelegramTextAttributes.URL: ""])
+        self.textNode.attributedText = parseMarkdownIntoAttributedString(text.replacingOccurrences(of: "]", with: "]()"), attributes: MarkdownAttributes(body: body, bold: body, link: link, linkAttribute: { _ in nil }), textAlignment: .center)
+        
+        self.buttonNode.title = buttonTitle
+        
+        self.privacyPolicyNode.isHidden = !hasPrivacyPolicy
+        
+        if let (layout, navigationHeight) = self.layoutArguments {
+            self.containerLayoutUpdated(layout, navigationBarHeight: navigationHeight, transition: .immediate)
+        }
+    }
+    
+    func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
+        self.layoutArguments = (layout, navigationBarHeight)
+        
+        let insets = layout.insets(options: [.statusBar])
+        let fontSize: CGFloat
+        let sideInset: CGFloat
+        if layout.size.width > 330.0 {
+            fontSize = 22.0
+            sideInset = 38.0
+        } else {
+            fontSize = 18.0
+            sideInset = 20.0
+        }
+        
+        let nextSize = self.nextNode.measure(layout.size)
+        transition.updateFrame(node: self.nextNode, frame: CGRect(x: layout.size.width - insets.right - nextSize.width - 16.0, y: insets.top + 10.0 + 60.0, width: nextSize.width, height: nextSize.height))
+        
+        self.titleNode.attributedText = NSAttributedString(string: self.title ?? "", font: Font.semibold(fontSize), textColor: self.theme.primaryColor)
+        
+        let titleSize = self.titleNode.updateLayout(CGSize(width: layout.size.width - sideInset * 2.0, height: CGFloat.greatestFiniteMagnitude))
+        let textSize = self.textNode.updateLayout(CGSize(width: layout.size.width - sideInset * 2.0, height: CGFloat.greatestFiniteMagnitude))
+        let buttonHeight = self.buttonNode.updateLayout(width: layout.size.width, transition: transition)
+
+        var items: [AuthorizationLayoutItem] = []
+        if let icon = self.iconNode.image {
+            items.append(AuthorizationLayoutItem(node: self.iconNode, size: icon.size, spacingBefore: AuthorizationLayoutItemSpacing(weight: 122.0, maxValue: 122.0), spacingAfter: AuthorizationLayoutItemSpacing(weight: 15.0, maxValue: 15.0)))
+        }
+        items.append(AuthorizationLayoutItem(node: self.titleNode, size: titleSize, spacingBefore: AuthorizationLayoutItemSpacing(weight: 18.0, maxValue: 18.0), spacingAfter: AuthorizationLayoutItemSpacing(weight: 0.0, maxValue: 0.0)))
+        items.append(AuthorizationLayoutItem(node: self.textNode, size: textSize, spacingBefore: AuthorizationLayoutItemSpacing(weight: 5.0, maxValue: 5.0), spacingAfter: AuthorizationLayoutItemSpacing(weight: 35.0, maxValue: 35.0)))
+        items.append(AuthorizationLayoutItem(node: self.buttonNode, size: CGSize(width: layout.size.width, height: buttonHeight), spacingBefore: AuthorizationLayoutItemSpacing(weight: 35.0, maxValue: 35.0), spacingAfter: AuthorizationLayoutItemSpacing(weight: 50.0, maxValue: 50.0)))
+        
+        let _ = layoutAuthorizationItems(bounds: CGRect(origin: CGPoint(x: 0.0, y: insets.top), size: CGSize(width: layout.size.width, height: layout.size.height - insets.top - insets.bottom - 20.0)), items: items, transition: transition, failIfDoesNotFit: false)
+        
+        let privacyPolicySize = self.privacyPolicyNode.measure(layout.size)
+        transition.updateFrame(node: self.privacyPolicyNode, frame: CGRect(x: (layout.size.width - privacyPolicySize.width) / 2.0, y: self.buttonNode.frame.maxY + (layout.size.height - self.buttonNode.frame.maxY - insets.bottom - privacyPolicySize.height) / 2.0, width: privacyPolicySize.width, height: privacyPolicySize.height))
+    }
+    
+    @objc func allowPressed() {
+        self.allow?()
+    }
+    
+    @objc func privacyPolicyPressed() {
+        self.openPrivacyPolicy?()
+    }
+    
+    @objc func nextPressed() {
+        self.next?()
+    }
+    
+    func animateOut(completion: (() -> Void)? = nil) {
+        self.layer.animatePosition(from: self.layer.position, to: CGPoint(x: self.layer.position.x, y: self.layer.position.y + self.layer.bounds.size.height), duration: 0.2, timingFunction: kCAMediaTimingFunctionEaseInEaseOut, removeOnCompletion: false, completion: { [weak self] _ in
+            if let strongSelf = self {
+                strongSelf.dismiss?()
+            }
+            completion?()
+        })
+    }
+}

TelegramUI/RecentSessionsController.swift

@@ -604,7 +604,6 @@ public func recentSessionsController(account: Account) -> ViewController {
     let websitesSignal: Signal<([WebAuthorization], [PeerId : Peer])?, NoError> = .single(nil) |> then(webSessions(network: account.network) |> map(Optional.init))
     websitesPromise.set(websitesSignal)
     
-    
     let previousMode = Atomic<RecentSessionsMode>(value: .sessions)
     
     let signal = combineLatest((account.applicationContext as! TelegramApplicationContext).presentationData, mode.get(), statePromise.get(), sessionsPromise.get(), websitesPromise.get())
@@ -635,6 +634,8 @@ public func recentSessionsController(account: Account) -> ViewController {
             var emptyStateItem: ItemListControllerEmptyStateItem?
             if sessions == nil {
                 emptyStateItem = ItemListLoadingIndicatorEmptyStateItem(theme: presentationData.theme)
+            } else if let sessions = sessions, sessions.count == 1 {
+                emptyStateItem = RecentSessionsEmptyStateItem(theme: presentationData.theme, strings: presentationData.strings)
             }
             
             let title: ItemListControllerTitle

TelegramUI/RecentSessionsEmptyStateItem.swift

@@ -0,0 +1,95 @@
+import Foundation
+import AsyncDisplayKit
+import Display
+
+final class RecentSessionsEmptyStateItem: ItemListControllerEmptyStateItem {
+    let theme: PresentationTheme
+    let strings: PresentationStrings
+    
+    init(theme: PresentationTheme, strings: PresentationStrings) {
+        self.theme = theme
+        self.strings = strings
+    }
+    
+    func isEqual(to: ItemListControllerEmptyStateItem) -> Bool {
+        if let item = to as? RecentSessionsEmptyStateItem {
+            return self.theme === item.theme && self.strings === item.strings
+        } else {
+            return false
+        }
+    }
+    
+    func node(current: ItemListControllerEmptyStateItemNode?) -> ItemListControllerEmptyStateItemNode {
+        if let current = current as? RecentSessionsEmptyStateItemNode {
+            current.item = self
+            return current
+        } else {
+            return RecentSessionsEmptyStateItemNode(item: self)
+        }
+    }
+}
+
+final class RecentSessionsEmptyStateItemNode: ItemListControllerEmptyStateItemNode {
+    private let imageNode: ASImageNode
+    private let titleNode: ASTextNode
+    private let textNode: ASTextNode
+    private var validLayout: (ContainerViewLayout, CGFloat)?
+    
+    var item: RecentSessionsEmptyStateItem {
+        didSet {
+            self.updateThemeAndStrings(theme: self.item.theme, strings: self.item.strings)
+            if let (layout, navigationHeight) = self.validLayout {
+                self.updateLayout(layout: layout, navigationBarHeight: navigationHeight, transition: .immediate)
+            }
+        }
+    }
+    
+    init(item: RecentSessionsEmptyStateItem) {
+        self.item = item
+        
+        self.imageNode = ASImageNode()
+        
+        self.titleNode = ASTextNode()
+        self.titleNode.isUserInteractionEnabled = false
+        
+        self.textNode = ASTextNode()
+        self.textNode.isUserInteractionEnabled = false
+        
+        super.init()
+        
+        self.addSubnode(self.imageNode)
+        self.addSubnode(self.titleNode)
+        self.addSubnode(self.textNode)
+        
+        self.updateThemeAndStrings(theme: self.item.theme, strings: self.item.strings)
+    }
+    
+    private func updateThemeAndStrings(theme: PresentationTheme, strings: PresentationStrings) {
+        self.imageNode.image = generateTintedImage(image: UIImage(bundleImageName: "Settings/RecentSessionsPlaceholder"), color: theme.list.freeTextColor)
+        self.titleNode.attributedText = NSAttributedString(string: strings.AuthSessions_EmptyTitle, font: Font.bold(17.0), textColor: theme.list.freeTextColor, paragraphAlignment: .center)
+        self.textNode.attributedText = NSAttributedString(string: strings.AuthSessions_EmptyText, font: Font.regular(14.0), textColor: theme.list.freeTextColor, paragraphAlignment: .center)
+    }
+    
+    override func updateLayout(layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
+        self.validLayout = (layout, navigationBarHeight)
+        var insets = layout.insets(options: [])
+        insets.top += navigationBarHeight + 128.0
+        
+        let imageSpacing: CGFloat = 8.0
+        let textSpacing: CGFloat = 8.0
+        
+        let imageSize = self.imageNode.image?.size ?? CGSize()
+        let imageHeight = layout.size.width < layout.size.height ? imageSize.height + imageSpacing : 0.0
+        
+        let titleSize = self.titleNode.measure(CGSize(width: layout.size.width - 50.0, height: max(1.0, layout.size.height - insets.top - insets.bottom)))
+        let textSize = self.textNode.measure(CGSize(width: layout.size.width - 50.0, height: max(1.0, layout.size.height - insets.top - insets.bottom)))
+        
+        let totalHeight = imageHeight + titleSize.height + textSpacing + textSize.height
+        let topOffset = insets.top + floor((layout.size.height - insets.top - insets.bottom - totalHeight) / 2.0)
+        
+        transition.updateAlpha(node: self.imageNode, alpha: imageHeight > 0.0 ? 1.0 : 0.0)
+        transition.updateFrame(node: self.imageNode, frame: CGRect(origin: CGPoint(x: floor((layout.size.width - imageSize.width) / 2.0), y: topOffset), size: imageSize))
+        transition.updateFrame(node: self.titleNode, frame: CGRect(origin: CGPoint(x: floor((layout.size.width - titleSize.width) / 2.0), y: topOffset + imageHeight), size: titleSize))
+        transition.updateFrame(node: self.textNode, frame: CGRect(origin: CGPoint(x: floor((layout.size.width - textSize.width) / 2.0), y: self.titleNode.frame.maxY + textSpacing), size: textSize))
+    }
+}

TelegramUI/SelectablePeerNode.swift

@@ -89,14 +89,12 @@ final class SelectablePeerNode: ASDisplayNode {
         
         self.avatarNode = AvatarNode(font: avatarFont)
         self.avatarNode.frame = CGRect(origin: CGPoint(), size: CGSize(width: 60.0, height: 60.0))
-        self.avatarNode.isLayerBacked = true
+        self.avatarNode.isLayerBacked = !smartInvertColorsEnabled()
         
         self.textNode = ASTextNode()
         self.textNode.isUserInteractionEnabled = false
         self.textNode.displaysAsynchronously = true
         
-        
-       
         super.init()
         
         self.avatarNodeContainer.addSubnode(self.avatarSelectionNode)

TelegramUI/SettingsController.swift

@@ -71,7 +71,7 @@ private enum SettingsEntry: ItemListNodeEntry {
     case recentCalls(PresentationTheme, UIImage?, String)
     case stickers(PresentationTheme, UIImage?, String, String, [ArchivedStickerPackItem]?)
     
-    case notificationsAndSounds(PresentationTheme, UIImage?, String, NotificationExceptionsList?)
+    case notificationsAndSounds(PresentationTheme, UIImage?, String, NotificationExceptionsList?, Bool)
     case privacyAndSecurity(PresentationTheme, UIImage?, String)
     case dataAndStorage(PresentationTheme, UIImage?, String)
     case themes(PresentationTheme, UIImage?, String)
@@ -209,8 +209,8 @@ private enum SettingsEntry: ItemListNodeEntry {
                 } else {
                     return false
                 }
-            case let .notificationsAndSounds(lhsTheme, lhsImage, lhsText, lhsExceptionsList):
+            case let .notificationsAndSounds(lhsTheme, lhsImage, lhsText, lhsExceptionsList, lhsWarning):
-                if case let .notificationsAndSounds(rhsTheme, rhsImage, rhsText, rhsExceptionsList) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText, lhsExceptionsList == rhsExceptionsList {
+                if case let .notificationsAndSounds(rhsTheme, rhsImage, rhsText, rhsExceptionsList, rhsWarning) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText, lhsExceptionsList == rhsExceptionsList, lhsWarning == rhsWarning {
                     return true
                 } else {
                     return false
@@ -302,13 +302,13 @@ private enum SettingsEntry: ItemListNodeEntry {
                     arguments.openRecentCalls()
                 })
             case let .stickers(theme, image, text, value, archivedPacks):
-                return ItemListDisclosureItem(theme: theme, icon: image, title: text, label: value, labelStyle: .badge, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
+                return ItemListDisclosureItem(theme: theme, icon: image, title: text, label: value, labelStyle: .badge(theme.list.itemAccentColor), sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                     arguments.pushController(installedStickerPacksController(account: arguments.account, mode: .general, archivedPacks: archivedPacks, updatedPacks: { packs in
                         arguments.updateArchivedPacks(packs)
                     }))
                 })
-            case let .notificationsAndSounds(theme, image, text, exceptionsList):
+            case let .notificationsAndSounds(theme, image, text, exceptionsList, warning):
-                return ItemListDisclosureItem(theme: theme, icon: image, title: text, label: "", sectionId: ItemListSectionId(self.section), style: .blocks, action: {
+                return ItemListDisclosureItem(theme: theme, icon: image, title: text, label: warning ? "!" : "", labelStyle: warning ? .badge(theme.list.itemDestructiveColor) : .text, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                     arguments.pushController(notificationsAndSoundsController(account: arguments.account, exceptionsList: exceptionsList))
                 })
             case let .privacyAndSecurity(theme, image, text):
@@ -366,7 +366,7 @@ private struct SettingsState: Equatable {
     }
 }
 
-private func settingsEntries(presentationData: PresentationData, state: SettingsState, view: PeerView, proxySettings: ProxySettings, notifyExceptions: NotificationExceptionsList?, unreadTrendingStickerPacks: Int, archivedPacks: [ArchivedStickerPackItem]?, hasPassport: Bool, hasWatchApp: Bool) -> [SettingsEntry] {
+private func settingsEntries(presentationData: PresentationData, state: SettingsState, view: PeerView, proxySettings: ProxySettings, notifyExceptions: NotificationExceptionsList?, notificationsAuthorizationStatus: AccessType, unreadTrendingStickerPacks: Int, archivedPacks: [ArchivedStickerPackItem]?, hasPassport: Bool, hasWatchApp: Bool) -> [SettingsEntry] {
     var entries: [SettingsEntry] = []
     
     if let peer = peerViewMainPeer(view) as? TelegramUser {
@@ -398,7 +398,7 @@ private func settingsEntries(presentationData: PresentationData, state: Settings
         entries.append(.recentCalls(presentationData.theme, SettingsItemIcons.recentCalls, presentationData.strings.CallSettings_RecentCalls))
         entries.append(.stickers(presentationData.theme, SettingsItemIcons.stickers, presentationData.strings.ChatSettings_Stickers, unreadTrendingStickerPacks == 0 ? "" : "\(unreadTrendingStickerPacks)", archivedPacks))
         
-        entries.append(.notificationsAndSounds(presentationData.theme, SettingsItemIcons.notifications, presentationData.strings.Settings_NotificationsAndSounds, notifyExceptions))
+        entries.append(.notificationsAndSounds(presentationData.theme, SettingsItemIcons.notifications, presentationData.strings.Settings_NotificationsAndSounds, notifyExceptions, notificationsAuthorizationStatus != .allowed))
         entries.append(.privacyAndSecurity(presentationData.theme, SettingsItemIcons.security, presentationData.strings.Settings_PrivacySettings))
         entries.append(.dataAndStorage(presentationData.theme, SettingsItemIcons.dataAndStorage, presentationData.strings.Settings_ChatSettings))
         entries.append(.themes(presentationData.theme, SettingsItemIcons.appearance, presentationData.strings.Settings_Appearance))
@@ -673,19 +673,20 @@ public func settingsController(account: Account, accountManager: AccountManager)
     }
     updatePassport()
     
+    let notificationAuthorizationStatus = Promise<AccessType>(.allowed)
+    notificationAuthorizationStatus.set(DeviceAccess.authorizationStatus(account: account, subject: .notifications))
     
     let notifyExceptions = Promise<NotificationExceptionsList?>(nil)
     let updateNotifyExceptions: () -> Void = {
         notifyExceptions.set(notificationExceptionsList(network: account.network) |> map(Optional.init))
     }
- //   updateNotifyExceptions()
     
     let hasWatchApp = Promise<Bool>(false)
     if let context = account.applicationContext as? TelegramApplicationContext, let watchManager = context.watchManager {
         hasWatchApp.set(watchManager.watchAppInstalled)
     }
     
-    let signal = combineLatest(account.telegramApplicationContext.presentationData, statePromise.get(), peerView, combineLatest(account.postbox.preferencesView(keys: [PreferencesKeys.proxySettings]), notifyExceptions.get()), combineLatest(account.viewTracker.featuredStickerPacks(), archivedPacks.get()), combineLatest(hasPassport.get(), hasWatchApp.get()))
+    let signal = combineLatest(account.telegramApplicationContext.presentationData, statePromise.get(), peerView, combineLatest(account.postbox.preferencesView(keys: [PreferencesKeys.proxySettings]), notifyExceptions.get(), notificationAuthorizationStatus.get()), combineLatest(account.viewTracker.featuredStickerPacks(), archivedPacks.get()), combineLatest(hasPassport.get(), hasWatchApp.get()))
         |> map { presentationData, state, view, preferencesAndExceptions, featuredAndArchived, hasPassportAndWatch -> (ItemListControllerState, (ItemListNodeState<SettingsEntry>, SettingsEntry.ItemGenerationArguments)) in
             let proxySettings: ProxySettings = preferencesAndExceptions.0.values[PreferencesKeys.proxySettings] as? ProxySettings ?? ProxySettings.defaultSettings
             
@@ -708,7 +709,7 @@ public func settingsController(account: Account, accountManager: AccountManager)
             
             let (hasPassport, hasWatchApp) = hasPassportAndWatch
             
-            let listState = ItemListNodeState(entries: settingsEntries(presentationData: presentationData, state: state, view: view, proxySettings: proxySettings, notifyExceptions: preferencesAndExceptions.1, unreadTrendingStickerPacks: unreadTrendingStickerPacks, archivedPacks: featuredAndArchived.1, hasPassport: hasPassport, hasWatchApp: hasWatchApp), style: .blocks)
+            let listState = ItemListNodeState(entries: settingsEntries(presentationData: presentationData, state: state, view: view, proxySettings: proxySettings, notifyExceptions: preferencesAndExceptions.1, notificationsAuthorizationStatus: preferencesAndExceptions.2, unreadTrendingStickerPacks: unreadTrendingStickerPacks, archivedPacks: featuredAndArchived.1, hasPassport: hasPassport, hasWatchApp: hasWatchApp), style: .blocks)
             
             return (controllerState, (listState, arguments))
     } |> afterDisposed {
@@ -717,8 +718,8 @@ public func settingsController(account: Account, accountManager: AccountManager)
     
     let icon = UIImage(bundleImageName: "Chat List/Tabs/IconSettings")
     
-    let controller = ItemListController(account: account, state: signal, tabBarItem: (account.applicationContext as! TelegramApplicationContext).presentationData |> map { presentationData in
+    let controller = ItemListController(account: account, state: signal, tabBarItem: combineLatest((account.applicationContext as! TelegramApplicationContext).presentationData, notificationAuthorizationStatus.get()) |> map { presentationData, status in
-        return ItemListControllerTabBarItem(title: presentationData.strings.Settings_Title, image: icon, selectedImage: icon)
+        return ItemListControllerTabBarItem(title: presentationData.strings.Settings_Title, image: icon, selectedImage: icon, badgeValue: status != .allowed ? "!" : nil)
     })
     pushControllerImpl = { [weak controller] value in
         (controller?.navigationController as? NavigationController)?.replaceAllButRootController(value, animated: true)

TelegramUI/SolidRoundedButtonNode.swift

@@ -0,0 +1,88 @@
+import Foundation
+import AsyncDisplayKit
+import Display
+
+private let textFont: UIFont = Font.regular(16.0)
+
+final class SolidRoundedButtonNode: ASDisplayNode {
+    private var theme: AuthorizationTheme
+    
+    private let buttonBackgroundNode: ASImageNode
+    private let buttonNode: HighlightTrackingButtonNode
+    private let labelNode: ImmediateTextNode
+    
+    private let buttonHeight: CGFloat
+    private let buttonCornerRadius: CGFloat
+    
+    var pressed: (() -> Void)?
+    var validLayout: CGFloat?
+    
+    var title: String? {
+        didSet {
+            if let width = self.validLayout {
+                _ = self.updateLayout(width: width, transition: .immediate)
+            }
+        }
+    }
+    
+    init(title: String? = nil, theme: AuthorizationTheme, height: CGFloat = 48.0, cornerRadius: CGFloat = 24.0) {
+        self.theme = theme
+        self.buttonHeight = height
+        self.buttonCornerRadius = cornerRadius
+        self.title = title
+        
+        self.buttonBackgroundNode = ASImageNode()
+        self.buttonBackgroundNode.isLayerBacked = true
+        self.buttonBackgroundNode.displayWithoutProcessing = true
+        self.buttonBackgroundNode.displaysAsynchronously = false
+        self.buttonBackgroundNode.image = generateStretchableFilledCircleImage(radius: cornerRadius, color: theme.accentColor)
+        
+        self.buttonNode = HighlightTrackingButtonNode()
+        
+        self.labelNode = ImmediateTextNode()
+        self.labelNode.isUserInteractionEnabled = false
+        
+        super.init()
+        
+        self.addSubnode(self.buttonBackgroundNode)
+        self.addSubnode(self.buttonNode)
+        self.addSubnode(self.labelNode)
+        
+        self.buttonNode.addTarget(self, action: #selector(self.buttonPressed), forControlEvents: .touchUpInside)
+        self.buttonNode.highligthedChanged = { [weak self] highlighted in
+            if let strongSelf = self {
+                if highlighted {
+                    strongSelf.buttonBackgroundNode.layer.removeAnimation(forKey: "opacity")
+                    strongSelf.buttonBackgroundNode.alpha = 0.55
+                } else {
+                    strongSelf.buttonBackgroundNode.alpha = 1.0
+                    strongSelf.buttonBackgroundNode.layer.animateAlpha(from: 0.55, to: 1.0, duration: 0.2)
+                }
+            }
+        }
+    }
+    
+    func updateLayout(width: CGFloat, transition: ContainedViewLayoutTransition) -> CGFloat {
+        self.validLayout = width
+        
+        let inset: CGFloat = 38.0
+        let buttonSize = CGSize(width: width - inset * 2.0, height: self.buttonHeight)
+        let buttonFrame = CGRect(origin: CGPoint(x: inset, y: 0.0), size: buttonSize)
+        transition.updateFrame(node: self.buttonBackgroundNode, frame: buttonFrame)
+        transition.updateFrame(node: self.buttonNode, frame: buttonFrame)
+        
+        if self.title != self.labelNode.attributedText?.string {
+            self.labelNode.attributedText = NSAttributedString(string: self.title ?? "", font: Font.medium(17.0), textColor: self.theme.backgroundColor)
+        }
+        
+        let labelSize = self.labelNode.updateLayout(buttonSize)
+        let labelFrame = CGRect(origin: CGPoint(x: buttonFrame.minX + floor((buttonFrame.width - labelSize.width) / 2.0), y: buttonFrame.minY + floor((buttonFrame.height - labelSize.height) / 2.0)), size: labelSize)
+        transition.updateFrame(node: self.labelNode, frame: labelFrame)
+        
+        return buttonSize.height
+    }
+    
+    @objc private func buttonPressed() {
+        self.pressed?()
+    }
+}

TelegramUI/StickerPackPreviewGridItem.swift

@@ -64,7 +64,7 @@ final class StickerPackPreviewGridItemNode: GridItemNode {
     
     override init() {
         self.imageNode = TransformImageNode()
-        self.imageNode.isLayerBacked = true
+        self.imageNode.isLayerBacked = !smartInvertColorsEnabled()
         //self.imageNode.alphaTransitionOnFirstUpdate = true
         
         self.textNode = ASTextNode()

TelegramUI/SystemVideoContent.swift

@@ -79,7 +79,6 @@ private final class SystemVideoContentNode: ASDisplayNode, UniversalVideoContent
         self.approximateDuration = approximateDuration
         
         self.imageNode = TransformImageNode()
-        self.imageNode.isLayerBacked = true
         
         self.playerItem = AVPlayerItem(url: URL(string: url)!)
         let player = AVPlayer(playerItem: self.playerItem)

TelegramUI/TelegramApplicationContext.swift

@@ -26,11 +26,12 @@ public final class TelegramApplicationBindings {
     public let pushIdleTimerExtension: () -> Disposable
     public let openSettings: () -> Void
     public let openAppStorePage: () -> Void
+    public let registerForNotifications: () -> Void
     public let getWindowHost: () -> WindowHost?
     public let presentNativeController: (UIViewController) -> Void
     public let dismissNativeController: () -> Void
     
-    public init(isMainApp: Bool, openUrl: @escaping (String) -> Void, openUniversalUrl: @escaping (String, TelegramApplicationOpenUrlCompletion) -> Void, canOpenUrl: @escaping (String) -> Bool, getTopWindow: @escaping () -> UIWindow?, displayNotification: @escaping (String) -> Void, applicationInForeground: Signal<Bool, NoError>, applicationIsActive: Signal<Bool, NoError>, clearMessageNotifications: @escaping ([MessageId]) -> Void, pushIdleTimerExtension: @escaping () -> Disposable, openSettings: @escaping () -> Void, openAppStorePage: @escaping () -> Void, getWindowHost: @escaping () -> WindowHost?, presentNativeController: @escaping (UIViewController) -> Void, dismissNativeController: @escaping () -> Void) {
+    public init(isMainApp: Bool, openUrl: @escaping (String) -> Void, openUniversalUrl: @escaping (String, TelegramApplicationOpenUrlCompletion) -> Void, canOpenUrl: @escaping (String) -> Bool, getTopWindow: @escaping () -> UIWindow?, displayNotification: @escaping (String) -> Void, applicationInForeground: Signal<Bool, NoError>, applicationIsActive: Signal<Bool, NoError>, clearMessageNotifications: @escaping ([MessageId]) -> Void, pushIdleTimerExtension: @escaping () -> Disposable, openSettings: @escaping () -> Void, openAppStorePage: @escaping () -> Void, registerForNotifications: @escaping () -> Void, getWindowHost: @escaping () -> WindowHost?, presentNativeController: @escaping (UIViewController) -> Void, dismissNativeController: @escaping () -> Void) {
         self.isMainApp = isMainApp
         self.openUrl = openUrl
         self.openUniversalUrl = openUniversalUrl
@@ -43,6 +44,7 @@ public final class TelegramApplicationBindings {
         self.pushIdleTimerExtension = pushIdleTimerExtension
         self.openSettings = openSettings
         self.openAppStorePage = openAppStorePage
+        self.registerForNotifications = registerForNotifications
         self.presentNativeController = presentNativeController
         self.dismissNativeController = dismissNativeController
         self.getWindowHost = getWindowHost

TelegramUI/TelegramRootController.swift

@@ -14,6 +14,7 @@ public final class TelegramRootController: NavigationController {
     public var chatListController: ChatListController?
     public var accountSettingsController: ViewController?
     
+    private var permissionsDisposable: Disposable?
     private var presentationDataDisposable: Disposable?
     private var presentationData: PresentationData
     
@@ -24,6 +25,8 @@ public final class TelegramRootController: NavigationController {
         
         super.init(mode: .automaticMasterDetail, theme: NavigationControllerTheme(presentationTheme: self.presentationData.theme))
         
+        //self.permissionsDisposable =
+        
         self.presentationDataDisposable = (account.telegramApplicationContext.presentationData
             |> deliverOnMainQueue).start(next: { [weak self] presentationData in
             if let strongSelf = self {
@@ -42,6 +45,7 @@ public final class TelegramRootController: NavigationController {
     }
     
     deinit {
+        self.permissionsDisposable?.dispose()
         self.presentationDataDisposable?.dispose()
     }
     
@@ -112,4 +116,20 @@ public final class TelegramRootController: NavigationController {
         }
         presentedLegacyShortcutCamera(account: self.account, saveCapturedMedia: false, saveEditedPhotos: false, mediaGrouping: true, parentController: controller)
     }
+    
+    public func requestPermissions() {
+        guard let parentController = self.viewControllers.last as? ViewController else {
+            return
+        }
+        
+        let _ = (DeviceAccess.authorizationStatus(account: self.account, subject: .notifications)
+        |> take(1)
+        |> deliverOnMainQueue).start(next: { status in
+            if status != .allowed {
+                let controller = PermissionController(account: self.account)
+                controller.updateData(subject: .notifications, currentStatus: status)
+                parentController.present(controller, in: .window(.root))
+            }
+        })
+    }
 }

TelegramUI/TransformImageNode.swift

@@ -31,6 +31,14 @@ public class TransformImageNode: ASDisplayNode {
         self.disposable.dispose()
     }
     
+    override public func didLoad() {
+        super.didLoad()
+        
+        if #available(iOSApplicationExtension 11.0, *), !self.isLayerBacked {
+            self.view.accessibilityIgnoresInvertColors = true
+        }
+    }
+    
     override public var frame: CGRect {
         didSet {
             if let overlayNode = self.overlayNode {

TelegramUI/VerticalListContextResultsChatInputPanelItem.swift

@@ -117,7 +117,7 @@ final class VerticalListContextResultsChatInputPanelItemNode: ListViewItemNode {
         
         self.iconImageNode = TransformImageNode()
         self.iconImageNode.contentAnimations = [.subsequentUpdates]
-        self.iconImageNode.isLayerBacked = true
+        self.iconImageNode.isLayerBacked = !smartInvertColorsEnabled()
         self.iconImageNode.displaysAsynchronously = false
         
         super.init(layerBacked: false, dynamicBounce: false)
@@ -327,9 +327,8 @@ final class VerticalListContextResultsChatInputPanelItemNode: ListViewItemNode {
                     
                     strongSelf.highlightedBackgroundNode.frame = CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: CGSize(width: params.width, height: nodeLayout.size.height + UIScreenPixel))
                     
-                    
+                    let progressSize = CGSize(width: 24.0, height: 24.0)
-                    let progressFrame = CGRect(origin: CGPoint(x: iconFrame.minX + floorToScreenPixels((iconFrame.width - 37) / 2), y: iconFrame.minY + floorToScreenPixels((iconFrame.height - 37) / 2)), size: CGSize(width: 37, height: 37))
+                    let progressFrame = CGRect(origin: CGPoint(x: iconFrame.minX + floorToScreenPixels((iconFrame.width - progressSize.width) / 2.0), y: iconFrame.minY + floorToScreenPixels((iconFrame.height - progressSize.height) / 2.0)), size: progressSize)
-                    
                     
                     if let updatedStatusSignal = updatedStatusSignal {
                         strongSelf.statusDisposable.set((updatedStatusSignal |> deliverOnMainQueue).start(next: { [weak strongSelf] status in