adding feature flag and redirecting the sign in flow

- temporarily to the combined register fragment

vector/src/debug/java/im/vector/app/features/debug/features/DebugFeaturesStateFactory.kt

@@ -60,6 +60,11 @@ class DebugFeaturesStateFactory @Inject constructor(
                                 key = DebugFeatureKeys.onboardingCombinedRegister,
                                 factory = VectorFeatures::isOnboardingCombinedRegisterEnabled
                         ),
+                        createBooleanFeature(
+                                label = "FTUE Combined login",
+                                key = DebugFeatureKeys.onboardingCombinedLogin,
+                                factory = VectorFeatures::isOnboardingCombinedLoginEnabled
+                        ),
                 )
         )
     }

vector/src/debug/java/im/vector/app/features/debug/features/DebugVectorFeatures.kt

@@ -57,6 +57,9 @@ class DebugVectorFeatures(
     override fun isOnboardingCombinedRegisterEnabled(): Boolean = read(DebugFeatureKeys.onboardingCombinedRegister)
             ?: vectorFeatures.isOnboardingCombinedRegisterEnabled()
 
+    override fun isOnboardingCombinedLoginEnabled(): Boolean = read(DebugFeatureKeys.onboardingCombinedLogin)
+            ?: vectorFeatures.isOnboardingCombinedLoginEnabled()
+
     override fun isScreenSharingEnabled(): Boolean = read(DebugFeatureKeys.screenSharing)
             ?: vectorFeatures.isScreenSharingEnabled()
 
@@ -113,6 +116,7 @@ object DebugFeatureKeys {
     val onboardingUseCase = booleanPreferencesKey("onboarding-splash-carousel")
     val onboardingPersonalize = booleanPreferencesKey("onboarding-personalize")
     val onboardingCombinedRegister = booleanPreferencesKey("onboarding-combined-register")
+    val onboardingCombinedLogin = booleanPreferencesKey("onboarding-combined-login")
     val liveLocationSharing = booleanPreferencesKey("live-location-sharing")
     val screenSharing = booleanPreferencesKey("screen-sharing")
 }

vector/src/main/java/im/vector/app/features/VectorFeatures.kt

@@ -26,6 +26,7 @@ interface VectorFeatures {
     fun isOnboardingUseCaseEnabled(): Boolean
     fun isOnboardingPersonalizeEnabled(): Boolean
     fun isOnboardingCombinedRegisterEnabled(): Boolean
+    fun isOnboardingCombinedLoginEnabled(): Boolean
     fun isScreenSharingEnabled(): Boolean
 
     enum class OnboardingVariant {
@@ -42,5 +43,6 @@ class DefaultVectorFeatures : VectorFeatures {
     override fun isOnboardingUseCaseEnabled() = true
     override fun isOnboardingPersonalizeEnabled() = false
     override fun isOnboardingCombinedRegisterEnabled() = false
+    override fun isOnboardingCombinedLoginEnabled() = false
     override fun isScreenSharingEnabled(): Boolean = true
 }

vector/src/main/java/im/vector/app/features/onboarding/OnboardingViewEvents.kt

@@ -37,6 +37,7 @@ sealed class OnboardingViewEvents : VectorViewEvents {
     object OpenUseCaseSelection : OnboardingViewEvents()
     object OpenServerSelection : OnboardingViewEvents()
     object OpenCombinedRegister : OnboardingViewEvents()
+    object OpenCombinedLogin : OnboardingViewEvents()
     object EditServerSelection : OnboardingViewEvents()
     data class OnServerSelectionDone(val serverType: ServerType) : OnboardingViewEvents()
     object OnLoginFlowRetrieved : OnboardingViewEvents()

vector/src/main/java/im/vector/app/features/onboarding/OnboardingViewModel.kt

@@ -194,7 +194,9 @@ class OnboardingViewModel @AssistedInject constructor(
             } else {
                 OnboardingViewEvents.OpenServerSelection
             }
-            OnboardingFlow.SignIn,
+            OnboardingFlow.SignIn       -> if (vectorFeatures.isOnboardingCombinedRegisterEnabled()) {
+                OnboardingViewEvents.OpenCombinedLogin
+            } else OnboardingViewEvents.OpenServerSelection
             OnboardingFlow.SignInSignUp -> OnboardingViewEvents.OpenServerSelection
         }
         _viewEvents.post(nextOnboardingStep)

vector/src/main/java/im/vector/app/features/onboarding/ftueauth/FtueAuthVariant.kt

@@ -227,10 +227,15 @@ class FtueAuthVariant(
                         option = commonOption
                 )
             }
-            OnboardingViewEvents.OnHomeserverEdited                            -> activity.popBackstack()
+            OnboardingViewEvents.OnHomeserverEdited -> activity.popBackstack()
+            OnboardingViewEvents.OpenCombinedLogin  -> onStartCombinedLogin()
         }
     }
 
+    private fun onStartCombinedLogin() {
+        addRegistrationStageFragmentToBackstack(FtueAuthCombinedRegisterFragment::class.java)
+    }
+
     private fun onRegistrationFlow(viewEvents: OnboardingViewEvents.RegistrationFlowResult) {
         when {
             registrationShouldFallback(viewEvents)               -> displayFallbackWebDialog()