Add title to the new two bottom sheets

vector/src/main/java/im/vector/app/core/ui/bottomsheet/BottomSheetGenericController.kt

@@ -17,6 +17,7 @@ package im.vector.app.core.ui.bottomsheet
 
 import android.view.View
 import com.airbnb.epoxy.TypedEpoxyController
+import im.vector.app.core.epoxy.dividerItem
 
 /**
  * Epoxy controller for generic bottom sheet actions
@@ -26,10 +27,27 @@ abstract class BottomSheetGenericController<State : BottomSheetGenericState, Act
 
     var listener: Listener<Action>? = null
 
+    abstract fun getTitle(): String?
+
+    open fun getSubTitle(): String? = null
+
     abstract fun getActions(state: State): List<Action>
 
     override fun buildModels(state: State?) {
         state ?: return
+        // Title
+        getTitle()?.let { title ->
+            bottomSheetTitleItem {
+                id("title")
+                title(title)
+                subTitle(getSubTitle())
+            }
+
+            dividerItem {
+                id("title_separator")
+            }
+        }
+        // Actions
         getActions(state).forEach { action ->
             action.toBottomSheetItem()
                     .listener(View.OnClickListener { listener?.didSelectAction(action) })

vector/src/main/java/im/vector/app/core/ui/bottomsheet/BottomSheetTitleItem.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2020 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.core.ui.bottomsheet
+
+import android.widget.TextView
+import com.airbnb.epoxy.EpoxyAttribute
+import com.airbnb.epoxy.EpoxyModelClass
+import im.vector.app.R
+import im.vector.app.core.epoxy.VectorEpoxyHolder
+import im.vector.app.core.epoxy.VectorEpoxyModel
+import im.vector.app.core.extensions.setTextOrHide
+
+/**
+ * A title for bottom sheet, with an optional subtitle. It does not include the bottom separator.
+ */
+@EpoxyModelClass(layout = R.layout.item_bottom_sheet_title)
+abstract class BottomSheetTitleItem : VectorEpoxyModel<BottomSheetTitleItem.Holder>() {
+
+    @EpoxyAttribute
+    lateinit var title: String
+
+    @EpoxyAttribute
+    var subTitle: String? = null
+
+    override fun bind(holder: Holder) {
+        super.bind(holder)
+        holder.title.text = title
+        holder.subtitle.setTextOrHide(subTitle)
+    }
+
+    class Holder : VectorEpoxyHolder() {
+        val title by bind<TextView>(R.id.itemBottomSheetTitleTitle)
+        val subtitle by bind<TextView>(R.id.itemBottomSheetTitleSubtitle)
+    }
+}

vector/src/main/java/im/vector/app/features/roomprofile/settings/historyvisibility/RoomHistoryVisibilityController.kt

@@ -16,15 +16,22 @@
 
 package im.vector.app.features.roomprofile.settings.historyvisibility
 
+import im.vector.app.R
+import im.vector.app.core.resources.StringProvider
 import im.vector.app.core.ui.bottomsheet.BottomSheetGenericController
 import im.vector.app.features.home.room.detail.timeline.format.RoomHistoryVisibilityFormatter
 import org.matrix.android.sdk.api.session.room.model.RoomHistoryVisibility
 import javax.inject.Inject
 
 class RoomHistoryVisibilityController @Inject constructor(
-        private val historyVisibilityFormatter: RoomHistoryVisibilityFormatter
+        private val historyVisibilityFormatter: RoomHistoryVisibilityFormatter,
+        private val stringProvider: StringProvider
 ) : BottomSheetGenericController<RoomHistoryVisibilityState, RoomHistoryVisibilityAction>() {
 
+    override fun getTitle() = stringProvider.getString(R.string.room_settings_room_read_history_rules_pref_dialog_title)
+
+    override fun getSubTitle() = stringProvider.getString(R.string.room_settings_room_read_history_dialog_subtitle)
+
     override fun getActions(state: RoomHistoryVisibilityState): List<RoomHistoryVisibilityAction> {
         return listOf(
                 RoomHistoryVisibility.WORLD_READABLE,

vector/src/main/java/im/vector/app/features/roomprofile/settings/joinrule/RoomJoinRuleController.kt

@@ -27,6 +27,8 @@ class RoomJoinRuleController @Inject constructor(
         private val stringProvider: StringProvider
 ) : BottomSheetGenericController<RoomJoinRuleState, RoomJoinRuleAction>() {
 
+    override fun getTitle() = stringProvider.getString(R.string.room_settings_room_access_rules_pref_dialog_title)
+
     override fun getActions(state: RoomJoinRuleState): List<RoomJoinRuleAction> {
         return listOf(
                 RoomJoinRuleAction(

vector/src/main/res/layout/item_bottom_sheet_title.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:minHeight="50dp"
+    android:paddingStart="@dimen/layout_horizontal_margin"
+    android:paddingTop="8dp"
+    android:paddingEnd="@dimen/layout_horizontal_margin"
+    android:paddingBottom="8dp">
+
+    <TextView
+        android:id="@+id/itemBottomSheetTitleTitle"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:textColor="?riotx_text_primary"
+        android:textSize="18sp"
+        app:layout_constraintBottom_toTopOf="@+id/itemBottomSheetTitleSubtitle"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="@string/room_settings_room_read_history_rules_pref_dialog_title" />
+
+    <TextView
+        android:id="@+id/itemBottomSheetTitleSubtitle"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:textColor="?riotx_text_primary"
+        android:textSize="15sp"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/itemBottomSheetTitleTitle"
+        tools:text="@string/room_settings_room_read_history_dialog_subtitle"
+        tools:visibility="visible" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

vector/src/main/res/values/strings.xml

@@ -1022,6 +1022,7 @@
     <string name="room_settings_room_access_rules_pref_title">Room Access</string>
     <string name="room_settings_room_read_history_rules_pref_title">Room History Readability</string>
     <string name="room_settings_room_read_history_rules_pref_dialog_title">Who can read history?</string>
+    <string name="room_settings_room_read_history_dialog_subtitle">Changes to who can read history will only apply to future messages in this room. The visibility of existing history will be unchanged.</string>
     <string name="room_settings_room_access_rules_pref_dialog_title">Who can access this room?</string>
     <string name="room_settings_room_access_title">Room access</string>