Make enabled but inactive ports visible in port forwarding setting

Bug: 382998391
Test: Run VmTerminalApp

Change-Id: Iab4e0753487c6d15833e0eb186ee00adbc4be3d9
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingActiveAdapter.kt b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingActiveAdapter.kt
new file mode 100644
index 0000000..c46effa
--- /dev/null
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingActiveAdapter.kt
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * 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 com.android.virtualization.terminal
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.materialswitch.MaterialSwitch
+
+class SettingsPortForwardingActiveAdapter(private val mPortsStateManager: PortsStateManager) :
+    SettingsPortForwardingBaseAdapter<SettingsPortForwardingActiveAdapter.ViewHolder>() {
+
+    override fun getItems(): ArrayList<SettingsPortForwardingItem> {
+        val enabledPorts = mPortsStateManager.getEnabledPorts()
+        return mPortsStateManager
+            .getActivePorts()
+            .map { SettingsPortForwardingItem(it, enabledPorts.contains(it)) }
+            .toCollection(ArrayList())
+    }
+
+    class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+        val enabledSwitch: MaterialSwitch =
+            view.findViewById(R.id.settings_port_forwarding_active_item_enabled_switch)
+        val port: TextView = view.findViewById(R.id.settings_port_forwarding_active_item_port)
+    }
+
+    override fun onCreateViewHolder(viewGroup: ViewGroup, viewType: Int): ViewHolder {
+        val view =
+            LayoutInflater.from(viewGroup.context)
+                .inflate(R.layout.settings_port_forwarding_active_item, viewGroup, false)
+        return ViewHolder(view)
+    }
+
+    override fun onBindViewHolder(viewHolder: ViewHolder, position: Int) {
+        val port = mItems[position].port
+        viewHolder.port.text = port.toString()
+        viewHolder.enabledSwitch.contentDescription = viewHolder.port.text
+        viewHolder.enabledSwitch.isChecked = mItems[position].enabled
+        viewHolder.enabledSwitch.setOnCheckedChangeListener { _, isChecked ->
+            mPortsStateManager.updateEnabledPort(port, isChecked)
+        }
+    }
+}
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingActivity.kt b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingActivity.kt
index d64c267..83a8d05 100644
--- a/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingActivity.kt
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingActivity.kt
@@ -22,27 +22,50 @@
 
 class SettingsPortForwardingActivity : AppCompatActivity() {
     private lateinit var mPortsStateManager: PortsStateManager
-    private lateinit var mAdapter: SettingsPortForwardingAdapter
+    private lateinit var mPortsStateListener: Listener
+    private lateinit var mActivePortsAdapter: SettingsPortForwardingActiveAdapter
+    private lateinit var mInactivePortsAdapter: SettingsPortForwardingInactiveAdapter
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.settings_port_forwarding)
 
         mPortsStateManager = PortsStateManager.getInstance(this)
-        mAdapter = SettingsPortForwardingAdapter(mPortsStateManager)
 
-        val recyclerView: RecyclerView = findViewById(R.id.settings_port_forwarding_recycler_view)
-        recyclerView.layoutManager = LinearLayoutManager(this)
-        recyclerView.adapter = mAdapter
+        mActivePortsAdapter = SettingsPortForwardingActiveAdapter(mPortsStateManager)
+        val activeRecyclerView: RecyclerView =
+            findViewById(R.id.settings_port_forwarding_active_recycler_view)
+        activeRecyclerView.layoutManager = LinearLayoutManager(this)
+        activeRecyclerView.adapter = mActivePortsAdapter
+
+        mInactivePortsAdapter = SettingsPortForwardingInactiveAdapter(mPortsStateManager, this)
+        val inactiveRecyclerView: RecyclerView =
+            findViewById(R.id.settings_port_forwarding_inactive_recycler_view)
+        inactiveRecyclerView.layoutManager = LinearLayoutManager(this)
+        inactiveRecyclerView.adapter = mInactivePortsAdapter
+
+        mPortsStateListener = Listener()
+    }
+
+    private fun refreshAdapters() {
+        mActivePortsAdapter.refreshItems()
+        mInactivePortsAdapter.refreshItems()
     }
 
     override fun onResume() {
         super.onResume()
-        mAdapter.registerPortsStateListener()
+        mPortsStateManager.registerListener(mPortsStateListener)
+        refreshAdapters()
     }
 
     override fun onPause() {
-        mAdapter.unregisterPortsStateListener()
+        mPortsStateManager.unregisterListener(mPortsStateListener)
         super.onPause()
     }
+
+    private inner class Listener : PortsStateManager.Listener {
+        override fun onPortsStateUpdated(oldActivePorts: Set<Int>, newActivePorts: Set<Int>) {
+            refreshAdapters()
+        }
+    }
 }
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingAdapter.kt b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingAdapter.kt
deleted file mode 100644
index 8282910..0000000
--- a/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingAdapter.kt
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * 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 com.android.virtualization.terminal
-
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.TextView
-import androidx.recyclerview.widget.RecyclerView
-import androidx.recyclerview.widget.SortedList
-import androidx.recyclerview.widget.SortedListAdapterCallback
-import com.google.android.material.materialswitch.MaterialSwitch
-
-class SettingsPortForwardingAdapter(private val mPortsStateManager: PortsStateManager) :
-    RecyclerView.Adapter<SettingsPortForwardingAdapter.ViewHolder>() {
-
-    private var mItems: SortedList<SettingsPortForwardingItem>
-    private val mPortsStateListener: Listener
-
-    init {
-        mItems =
-            SortedList(
-                SettingsPortForwardingItem::class.java,
-                object : SortedListAdapterCallback<SettingsPortForwardingItem>(this) {
-                    override fun compare(
-                        o1: SettingsPortForwardingItem,
-                        o2: SettingsPortForwardingItem,
-                    ): Int {
-                        return o1.port - o2.port
-                    }
-
-                    override fun areContentsTheSame(
-                        o1: SettingsPortForwardingItem,
-                        o2: SettingsPortForwardingItem,
-                    ): Boolean {
-                        return o1.port == o2.port && o1.enabled == o2.enabled
-                    }
-
-                    override fun areItemsTheSame(
-                        o1: SettingsPortForwardingItem,
-                        o2: SettingsPortForwardingItem,
-                    ): Boolean {
-                        return o1.port == o2.port
-                    }
-                },
-            )
-        mItems.addAll(getCurrentSettingsPortForwardingItem())
-        mPortsStateListener = Listener()
-    }
-
-    fun registerPortsStateListener() {
-        mPortsStateManager.registerListener(mPortsStateListener)
-        mItems.replaceAll(getCurrentSettingsPortForwardingItem())
-    }
-
-    fun unregisterPortsStateListener() {
-        mPortsStateManager.unregisterListener(mPortsStateListener)
-    }
-
-    private fun getCurrentSettingsPortForwardingItem(): ArrayList<SettingsPortForwardingItem> {
-        val enabledPorts = mPortsStateManager.getEnabledPorts()
-        return mPortsStateManager
-            .getActivePorts()
-            .map { SettingsPortForwardingItem(it, enabledPorts.contains(it)) }
-            .toCollection(ArrayList())
-    }
-
-    class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {
-        val enabledSwitch: MaterialSwitch =
-            view.findViewById(R.id.settings_port_forwarding_item_enabled_switch)
-        val port: TextView = view.findViewById(R.id.settings_port_forwarding_item_port)
-    }
-
-    override fun onCreateViewHolder(viewGroup: ViewGroup, viewType: Int): ViewHolder {
-        val view =
-            LayoutInflater.from(viewGroup.context)
-                .inflate(R.layout.settings_port_forwarding_item, viewGroup, false)
-        return ViewHolder(view)
-    }
-
-    override fun onBindViewHolder(viewHolder: ViewHolder, position: Int) {
-        val port = mItems[position].port
-        viewHolder.port.text = port.toString()
-        viewHolder.enabledSwitch.contentDescription = viewHolder.port.text
-        viewHolder.enabledSwitch.isChecked = mItems[position].enabled
-        viewHolder.enabledSwitch.setOnCheckedChangeListener { _, isChecked ->
-            mPortsStateManager.updateEnabledPort(port, isChecked)
-        }
-    }
-
-    override fun getItemCount() = mItems.size()
-
-    private inner class Listener : PortsStateManager.Listener {
-        override fun onPortsStateUpdated(oldActivePorts: Set<Int>, newActivePorts: Set<Int>) {
-            mItems.replaceAll(getCurrentSettingsPortForwardingItem())
-        }
-    }
-}
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingBaseAdapter.kt b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingBaseAdapter.kt
new file mode 100644
index 0000000..4595372
--- /dev/null
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingBaseAdapter.kt
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * 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 com.android.virtualization.terminal
+
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.SortedList
+import androidx.recyclerview.widget.SortedListAdapterCallback
+
+abstract class SettingsPortForwardingBaseAdapter<T : RecyclerView.ViewHolder>() :
+    RecyclerView.Adapter<T>() {
+    var mItems: SortedList<SettingsPortForwardingItem>
+
+    init {
+        mItems =
+            SortedList(
+                SettingsPortForwardingItem::class.java,
+                object : SortedListAdapterCallback<SettingsPortForwardingItem>(this) {
+                    override fun compare(
+                        o1: SettingsPortForwardingItem,
+                        o2: SettingsPortForwardingItem,
+                    ): Int {
+                        return o1.port - o2.port
+                    }
+
+                    override fun areContentsTheSame(
+                        o1: SettingsPortForwardingItem,
+                        o2: SettingsPortForwardingItem,
+                    ): Boolean {
+                        return o1.port == o2.port && o1.enabled == o2.enabled
+                    }
+
+                    override fun areItemsTheSame(
+                        o1: SettingsPortForwardingItem,
+                        o2: SettingsPortForwardingItem,
+                    ): Boolean {
+                        return o1.port == o2.port
+                    }
+                },
+            )
+    }
+
+    override fun getItemCount() = mItems.size()
+
+    abstract fun getItems(): ArrayList<SettingsPortForwardingItem>
+
+    fun refreshItems() {
+        mItems.replaceAll(getItems())
+    }
+}
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingInactiveAdapter.kt b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingInactiveAdapter.kt
new file mode 100644
index 0000000..ee0bee5
--- /dev/null
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsPortForwardingInactiveAdapter.kt
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * 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 com.android.virtualization.terminal
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageButton
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+
+class SettingsPortForwardingInactiveAdapter(
+    private val mPortsStateManager: PortsStateManager,
+    private val mContext: Context,
+) : SettingsPortForwardingBaseAdapter<SettingsPortForwardingInactiveAdapter.ViewHolder>() {
+
+    override fun getItems(): ArrayList<SettingsPortForwardingItem> {
+        return mPortsStateManager
+            .getEnabledPorts()
+            .subtract(mPortsStateManager.getActivePorts())
+            .map { SettingsPortForwardingItem(it, true) }
+            .toCollection(ArrayList())
+    }
+
+    class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+        val closeButton: ImageButton =
+            view.findViewById(R.id.settings_port_forwarding_active_item_close_button)
+        val port: TextView = view.findViewById(R.id.settings_port_forwarding_inactive_item_port)
+    }
+
+    override fun onCreateViewHolder(viewGroup: ViewGroup, viewType: Int): ViewHolder {
+        val view =
+            LayoutInflater.from(viewGroup.context)
+                .inflate(R.layout.settings_port_forwarding_inactive_item, viewGroup, false)
+        return ViewHolder(view)
+    }
+
+    override fun onBindViewHolder(viewHolder: ViewHolder, position: Int) {
+        val port = mItems[position].port
+        viewHolder.port.text = port.toString()
+        viewHolder.closeButton.contentDescription =
+            mContext.getString(
+                R.string.settings_port_forwarding_other_enabled_port_close_button,
+                port,
+            )
+        viewHolder.closeButton.setOnClickListener { _ ->
+            mPortsStateManager.updateEnabledPort(port, false)
+        }
+    }
+}
diff --git a/android/TerminalApp/res/drawable/ic_close.xml b/android/TerminalApp/res/drawable/ic_close.xml
new file mode 100644
index 0000000..e21c19c
--- /dev/null
+++ b/android/TerminalApp/res/drawable/ic_close.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--  Copyright 2024 The Android Open Source Project
+
+     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.
+ -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M256,760L200,704L424,480L200,256L256,200L480,424L704,200L760,256L536,480L760,704L704,760L480,536L256,760Z"/>
+</vector>
diff --git a/android/TerminalApp/res/layout/settings_port_forwarding.xml b/android/TerminalApp/res/layout/settings_port_forwarding.xml
index 2d21962..77b9bf7 100644
--- a/android/TerminalApp/res/layout/settings_port_forwarding.xml
+++ b/android/TerminalApp/res/layout/settings_port_forwarding.xml
@@ -31,9 +31,33 @@
         android:hyphenationFrequency="full"
         android:layout_marginBottom="24dp"/>
 
+    <TextView
+        android:layout_height="wrap_content"
+        android:layout_width="wrap_content"
+        android:text="@string/settings_port_forwarding_active_ports_title"
+        android:textSize="24sp"
+        android:hyphenationFrequency="full"
+        android:layout_marginBottom="24dp"/>
+
     <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/settings_port_forwarding_recycler_view"
+        android:id="@+id/settings_port_forwarding_active_recycler_view"
         android:layout_marginHorizontal="16dp"
+        android:layout_marginBottom="24dp"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="wrap_content" />
+
+    <TextView
+        android:layout_height="wrap_content"
+        android:layout_width="wrap_content"
+        android:text="@string/settings_port_forwarding_other_enabled_ports_title"
+        android:textSize="24sp"
+        android:hyphenationFrequency="full"
+        android:layout_marginBottom="24dp"/>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/settings_port_forwarding_inactive_recycler_view"
+        android:layout_marginHorizontal="16dp"
+        android:layout_marginBottom="24dp"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
 </LinearLayout>
diff --git a/android/TerminalApp/res/layout/settings_port_forwarding_item.xml b/android/TerminalApp/res/layout/settings_port_forwarding_active_item.xml
similarity index 81%
rename from android/TerminalApp/res/layout/settings_port_forwarding_item.xml
rename to android/TerminalApp/res/layout/settings_port_forwarding_active_item.xml
index 8a57b41..2a74146 100644
--- a/android/TerminalApp/res/layout/settings_port_forwarding_item.xml
+++ b/android/TerminalApp/res/layout/settings_port_forwarding_active_item.xml
@@ -19,21 +19,26 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:minHeight="48dp"
     app:layout_constraintCircleRadius="@dimen/material_emphasis_medium">
 
     <TextView
-        android:id="@+id/settings_port_forwarding_item_port"
+        android:id="@+id/settings_port_forwarding_active_item_port"
         android:layout_height="wrap_content"
         android:layout_width="match_parent"
+        android:textSize="16sp"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"/>
 
     <com.google.android.material.materialswitch.MaterialSwitch
-        android:id="@+id/settings_port_forwarding_item_enabled_switch"
+        android:id="@+id/settings_port_forwarding_active_item_enabled_switch"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/android/TerminalApp/res/layout/settings_port_forwarding_item.xml b/android/TerminalApp/res/layout/settings_port_forwarding_inactive_item.xml
similarity index 74%
copy from android/TerminalApp/res/layout/settings_port_forwarding_item.xml
copy to android/TerminalApp/res/layout/settings_port_forwarding_inactive_item.xml
index 8a57b41..127b152 100644
--- a/android/TerminalApp/res/layout/settings_port_forwarding_item.xml
+++ b/android/TerminalApp/res/layout/settings_port_forwarding_inactive_item.xml
@@ -19,21 +19,28 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:minHeight="48dp"
     app:layout_constraintCircleRadius="@dimen/material_emphasis_medium">
 
     <TextView
-        android:id="@+id/settings_port_forwarding_item_port"
+        android:id="@+id/settings_port_forwarding_inactive_item_port"
         android:layout_height="wrap_content"
         android:layout_width="match_parent"
+        android:textSize="16sp"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"/>
 
-    <com.google.android.material.materialswitch.MaterialSwitch
-        android:id="@+id/settings_port_forwarding_item_enabled_switch"
+    <ImageButton
+        android:id="@+id/settings_port_forwarding_active_item_close_button"
+        android:src="@drawable/ic_close"
+        android:background="@android:color/transparent"
+        android:contentDescription="@null"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent" />
-
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/android/TerminalApp/res/values/strings.xml b/android/TerminalApp/res/values/strings.xml
index 20fd95d..493496c 100644
--- a/android/TerminalApp/res/values/strings.xml
+++ b/android/TerminalApp/res/values/strings.xml
@@ -89,6 +89,8 @@
     <string name="settings_port_forwarding_active_ports_title">Listening ports</string>
     <!-- Title for other enabled ports setting in port forwarding [CHAR LIMIT=none] -->
     <string name="settings_port_forwarding_other_enabled_ports_title">Saved allowed ports</string>
+    <!-- Description of close button for other enabled ports. Used for talkback. [CHAR LIMIT=none] -->
+    <string name="settings_port_forwarding_other_enabled_port_close_button">Delete <xliff:g id="port_number" example="8000">%d</xliff:g></string>
 
     <!-- Dialog title for enabling a new port [CHAR LIMIT=none] -->
     <string name="settings_port_forwarding_dialog_title">Allow a new port</string>