adding support for the boolean features and adding a new flag for the already have an account

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

@@ -0,0 +1,86 @@
+/*
+ * Copyright 2019 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.debug.features
+
+import android.view.View
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.Spinner
+import android.widget.TextView
+import com.airbnb.epoxy.EpoxyAttribute
+import com.airbnb.epoxy.EpoxyModelClass
+import im.vector.app.core.epoxy.VectorEpoxyHolder
+import im.vector.app.core.epoxy.VectorEpoxyModel
+
+@EpoxyModelClass(layout = im.vector.app.R.layout.item_feature)
+abstract class BooleanFeatureItem : VectorEpoxyModel<BooleanFeatureItem.Holder>() {
+
+    @EpoxyAttribute
+    lateinit var feature: Feature.BooleanFeature
+
+    @EpoxyAttribute(EpoxyAttribute.Option.DoNotHash)
+    var listener: Listener? = null
+
+    override fun bind(holder: Holder) {
+        super.bind(holder)
+        holder.label.text = feature.label
+
+        holder.optionsSpinner.apply {
+            val arrayAdapter = ArrayAdapter<String>(context, android.R.layout.simple_spinner_dropdown_item)
+            val options = listOf(
+                    "DEFAULT - ${feature.default.toEmoji()}",
+                    "✅",
+                    "❌"
+            )
+            arrayAdapter.addAll(options)
+            adapter = arrayAdapter
+
+            feature.override?.let {
+                setSelection(options.indexOf(it.toEmoji()), false)
+            }
+
+            onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+                override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
+                    when (position) {
+                        0    -> listener?.onBooleanOptionSelected(option = null, feature)
+                        else -> listener?.onBooleanOptionSelected(options[position].fromEmoji(), feature)
+                    }
+                }
+
+                override fun onNothingSelected(parent: AdapterView<*>?) {
+                    // do nothing
+                }
+            }
+        }
+    }
+
+    class Holder : VectorEpoxyHolder() {
+        val label by bind<TextView>(im.vector.app.R.id.feature_label)
+        val optionsSpinner by bind<Spinner>(im.vector.app.R.id.feature_options)
+    }
+
+    interface Listener {
+        fun onBooleanOptionSelected(option: Boolean?, feature: Feature.BooleanFeature)
+    }
+}
+
+private fun Boolean.toEmoji() = if (this) "✅" else "❌"
+private fun String.fromEmoji() = when (this) {
+    "✅"  -> true
+    "❌"  -> false
+    else -> error("unexpected input $this")
+}

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

@@ -35,10 +35,14 @@ class DebugFeaturesSettingsActivity : VectorBaseActivity<FragmentGenericRecycler
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        controller.listener = object : EnumFeatureItem.Listener {
+        controller.listener = object : FeaturesController.Listener {
-            override fun <T : Enum<T>> onOptionSelected(option: T?, feature: Feature.EnumFeature<T>) {
+            override fun <T : Enum<T>> onEnumOptionSelected(option: T?, feature: Feature.EnumFeature<T>) {
                 debugFeatures.overrideEnum(option, feature.type)
             }
+
+            override fun onBooleanOptionSelected(option: Boolean?, feature: Feature.BooleanFeature) {
+                debugFeatures.override(option, feature.key)
+            }
         }
         views.genericRecyclerView.configureWith(controller)
         controller.setData(debugFeaturesStateFactory.create())

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

@@ -28,16 +28,25 @@ class DebugFeaturesStateFactory @Inject constructor(
         return FeaturesState(listOf(
                 createEnumFeature(
                         label = "Onboarding variant",
-                        selection = debugFeatures.onboardingVariant(),
+                        override = debugFeatures.onboardingVariant(),
                         default = defaultFeatures.onboardingVariant()
+                ),
+
+                Feature.BooleanFeature(
+                        label = "Splash - already has an account",
+                        override = debugFeatures.isAlreadyHaveAccountSplashEnabled().takeIf {
+                            debugFeatures.hasOverride(DebugFeatureKeys.alreadyHaveAnAccount)
+                        },
+                        default = defaultFeatures.isAlreadyHaveAccountSplashEnabled(),
+                        key = DebugFeatureKeys.alreadyHaveAnAccount
                 )
         ))
     }
 
-    private inline fun <reified T : Enum<T>> createEnumFeature(label: String, selection: T, default: T): Feature {
+    private inline fun <reified T : Enum<T>> createEnumFeature(label: String, override: T, default: T): Feature {
         return Feature.EnumFeature(
                 label = label,
-                selection = selection.takeIf { debugFeatures.hasEnumOverride(T::class) },
+                override = override.takeIf { debugFeatures.hasEnumOverride(T::class) },
                 default = default,
                 options = enumValues<T>().toList(),
                 type = T::class

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

@@ -20,6 +20,7 @@ import android.content.Context
 import androidx.datastore.core.DataStore
 import androidx.datastore.preferences.core.MutablePreferences
 import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.booleanPreferencesKey
 import androidx.datastore.preferences.core.edit
 import androidx.datastore.preferences.core.stringPreferencesKey
 import androidx.datastore.preferences.preferencesDataStore
@@ -42,13 +43,26 @@ class DebugVectorFeatures(
         return readPreferences().getEnum<VectorFeatures.OnboardingVariant>() ?: vectorFeatures.onboardingVariant()
     }
 
+    override fun isAlreadyHaveAccountSplashEnabled(): Boolean = readPreferences()[DebugFeatureKeys.alreadyHaveAnAccount]
+            ?: vectorFeatures.isAlreadyHaveAccountSplashEnabled()
+
+    fun <T> override(value: T?, key: Preferences.Key<T>) = updatePreferences {
+        if (value == null) {
+            it.remove(key)
+        } else {
+            it[key] = value
+        }
+    }
+
+    fun <T> hasOverride(key: Preferences.Key<T>) = readPreferences().contains(key)
+
     fun <T : Enum<T>> hasEnumOverride(type: KClass<T>) = readPreferences().containsEnum(type)
 
-    fun <T : Enum<T>> overrideEnum(value: T?, type: KClass<T>) {
+    fun <T : Enum<T>> overrideEnum(value: T?, type: KClass<T>) = updatePreferences {
         if (value == null) {
-            updatePreferences { it.removeEnum(type) }
+            it.removeEnum(type)
         } else {
-            updatePreferences { it.putEnum(value, type) }
+            it.putEnum(value, type)
         }
     }
 
@@ -76,3 +90,8 @@ private inline fun <reified T : Enum<T>> Preferences.getEnum(): T? {
 private inline fun <reified T : Enum<T>> enumPreferencesKey() = enumPreferencesKey(T::class)
 
 private fun <T : Enum<T>> enumPreferencesKey(type: KClass<T>) = stringPreferencesKey("enum-${type.simpleName}")
+
+object DebugFeatureKeys {
+
+    val alreadyHaveAnAccount = booleanPreferencesKey("already-have-an-account")
+}

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

@@ -45,14 +45,14 @@ abstract class EnumFeatureItem : VectorEpoxyModel<EnumFeatureItem.Holder>() {
             arrayAdapter.addAll(feature.options.map { it.name })
             adapter = arrayAdapter
 
-            feature.selection?.let {
+            feature.override?.let {
                 setSelection(feature.options.indexOf(it) + 1, false)
             }
 
             onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
                 override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
                     when (position) {
-                        0    -> listener?.onOptionSelected(option = null, feature)
+                        0    -> listener?.onEnumOptionSelected(option = null, feature)
                         else -> feature.onOptionSelected(position - 1)
                     }
                 }
@@ -65,7 +65,7 @@ abstract class EnumFeatureItem : VectorEpoxyModel<EnumFeatureItem.Holder>() {
     }
 
     private fun <T : Enum<T>> Feature.EnumFeature<T>.onOptionSelected(selection: Int) {
-        listener?.onOptionSelected(options[selection], this)
+        listener?.onEnumOptionSelected(options[selection], this)
     }
 
     class Holder : VectorEpoxyHolder() {
@@ -74,6 +74,6 @@ abstract class EnumFeatureItem : VectorEpoxyModel<EnumFeatureItem.Holder>() {
     }
 
     interface Listener {
-        fun <T : Enum<T>> onOptionSelected(option: T?, feature: Feature.EnumFeature<T>)
+        fun <T : Enum<T>> onEnumOptionSelected(option: T?, feature: Feature.EnumFeature<T>)
     }
 }

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

@@ -16,6 +16,7 @@
 
 package im.vector.app.features.debug.features
 
+import androidx.datastore.preferences.core.Preferences
 import com.airbnb.epoxy.TypedEpoxyController
 import javax.inject.Inject
 import kotlin.reflect.KClass
@@ -28,16 +29,23 @@ sealed interface Feature {
 
     data class EnumFeature<T : Enum<T>>(
             val label: String,
-            val selection: T?,
+            val override: T?,
             val default: T,
             val options: List<T>,
             val type: KClass<T>
     ) : Feature
+
+    data class BooleanFeature(
+            val label: String,
+            val override: Boolean?,
+            val default: Boolean,
+            val key: Preferences.Key<Boolean>
+    ) : Feature
 }
 
 class FeaturesController @Inject constructor() : TypedEpoxyController<FeaturesState>() {
 
-    var listener: EnumFeatureItem.Listener? = null
+    var listener: Listener? = null
 
     override fun buildModels(data: FeaturesState?) {
         if (data == null) return
@@ -49,7 +57,14 @@ class FeaturesController @Inject constructor() : TypedEpoxyController<FeaturesSt
                     feature(feature)
                     listener(this@FeaturesController.listener)
                 }
+                is Feature.BooleanFeature -> booleanFeatureItem {
+                    id(index)
+                    feature(feature)
+                    listener(this@FeaturesController.listener)
+                }
             }
         }
     }
+
+    interface Listener : EnumFeatureItem.Listener, BooleanFeatureItem.Listener
 }

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

@@ -22,6 +22,8 @@ interface VectorFeatures {
 
     fun onboardingVariant(): OnboardingVariant
 
+    fun isAlreadyHaveAccountSplashEnabled(): Boolean
+
     enum class OnboardingVariant {
         LEGACY,
         LOGIN_2,
@@ -36,4 +38,5 @@ interface VectorFeatures {
 
 class DefaultVectorFeatures : VectorFeatures {
     override fun onboardingVariant(): VectorFeatures.OnboardingVariant = BuildConfig.ONBOARDING_VARIANT
+    override fun isAlreadyHaveAccountSplashEnabled() = true
 }