Use the legacy device lock reporting on iOS 9

submodules/AccountContext/Sources/AccountContext.swift

@@ -387,6 +387,7 @@ public enum CreateGroupMode {
 
 public protocol AppLockContext: class {
     var invalidAttempts: Signal<AccessChallengeAttempts?, NoError> { get }
+    var autolockDeadline: Signal<Int32?, NoError> { get }
     
     func lock()
     func unlock()

submodules/AppLock/Sources/AppLock.swift

@@ -80,6 +80,7 @@ public final class AppLockContextImpl: AppLockContext {
     private let currentState = Promise<LockState>()
     
     private let autolockTimeout = ValuePromise<Int32?>(nil, ignoreRepeated: true)
+    private let autolockReportTimeout = ValuePromise<Int32?>(nil, ignoreRepeated: true)
     
     private let isCurrentlyLockedPromise = Promise<Bool>()
     public var isCurrentlyLocked: Signal<Bool, NoError> {
@@ -148,10 +149,24 @@ public final class AppLockContextImpl: AppLockContext {
                 }
                 
                 strongSelf.autolockTimeout.set(nil)
+                strongSelf.autolockReportTimeout.set(nil)
             } else {
                 if let autolockTimeout = passcodeSettings.autolockTimeout, !appInForeground {
                     shouldDisplayCoveringView = true
                 }
+                
+                if !appInForeground {
+                    if let autolockTimeout = passcodeSettings.autolockTimeout {
+                        strongSelf.autolockReportTimeout.set(autolockTimeout)
+                    } else if state.isManuallyLocked {
+                        strongSelf.autolockReportTimeout.set(1)
+                    } else {
+                        strongSelf.autolockReportTimeout.set(nil)
+                    }
+                } else {
+                    strongSelf.autolockReportTimeout.set(nil)
+                }
+                
                 strongSelf.autolockTimeout.set(passcodeSettings.autolockTimeout)
                 
                 if isLocked(passcodeSettings: passcodeSettings, state: state, isApplicationActive: appInForeground) {
@@ -296,6 +311,18 @@ public final class AppLockContextImpl: AppLockContext {
         }
     }
     
+    public var autolockDeadline: Signal<Int32?, NoError> {
+        return self.autolockReportTimeout.get()
+        |> distinctUntilChanged
+        |> map { value -> Int32? in
+            if let value = value {
+                return Int32(Date().timeIntervalSince1970) + value
+            } else {
+                return nil
+            }
+        }
+    }
+    
     public func lock() {
         self.updateLockState { state in
             var state = state

submodules/TelegramUI/TelegramUI/AppDelegate.swift

@@ -375,6 +375,19 @@ final class SharedApplicationContext {
         let apiHash: String = buildConfig.apiHash
         let languagesCategory = "ios"
         
+        let autolockDeadine: Signal<Int32?, NoError>
+        if #available(iOS 10.0, *) {
+            autolockDeadine = .single(nil)
+        } else {
+            autolockDeadine = self.context.get()
+            |> mapToSignal { context -> Signal<Int32?, NoError> in
+                guard let context = context else {
+                    return .single(nil)
+                }
+                return context.context.sharedContext.appLockContext.autolockDeadline
+            }
+        }
+        
         let networkArguments = NetworkInitializationArguments(apiId: apiId, apiHash: apiHash, languagesCategory: languagesCategory, appVersion: appVersion, voipMaxLayer: PresentationCallManagerImpl.voipMaxLayer, appData: self.deviceToken.get()
         |> map { token in
             let data = buildConfig.bundleData(withAppToken: token, signatureDict: signatureDict)
@@ -384,7 +397,7 @@ final class SharedApplicationContext {
                 Logger.shared.log("data", "can't deserialize")
             }
             return data
-        }, autolockDeadine: .single(nil), encryptionProvider: OpenSSLEncryptionProvider())
+        }, autolockDeadine: autolockDeadine, encryptionProvider: OpenSSLEncryptionProvider())
         
         guard let appGroupUrl = maybeAppGroupUrl else {
             UIAlertView(title: nil, message: "Error 2", delegate: nil, cancelButtonTitle: "OK").show()