From bdf6c8ce39a0f182ea6b2b8bb398dd93433e23f8 Mon Sep 17 00:00:00 2001
From: Josep del Rio <joseprio@google.com>
Date: Mon, 12 Dec 2022 22:06:26 +0000
Subject: [PATCH] Add toast messages when toggling mic from keyboard

At the moment, the "microphone mute" key (KEYCODE_MUTE) will just
toggle the microphone sensor without any feedback to the user;
this change will add a toast message that will inform the user of
the state the microphone is in.

Test: tested on device
Bug: 258853916
Change-Id: I98e04a11395ba0fcb88081b80ffd0098e2e2498c
---
 core/res/res/values/strings.xml                 |  4 ++++
 core/res/res/values/symbols.xml                 |  2 ++
 .../server/policy/PhoneWindowManager.java       | 17 +++++++++++++++++
 3 files changed, 23 insertions(+)

diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 8106e247ae638..add7307bbda40 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -6435,4 +6435,8 @@ ul.</string>
     <string name="permlab_startForegroundServicesFromBackground">Start foreground services from background</string>
     <!-- Description of start foreground services from background permission [CHAR LIMIT=NONE] -->
     <string name="permdesc_startForegroundServicesFromBackground">Allows a companion app to start foreground services from background.</string>
+    <!-- Toast message that is shown when the user unmutes the microphone from the keyboard. [CHAR LIMIT=TOAST] -->
+    <string name="mic_access_on_toast">Microphone is available</string>
+    <!-- Toast message that is shown when the user mutes the microphone from the keyboard. [CHAR LIMIT=TOAST] -->
+    <string name="mic_access_off_toast">Microphone is blocked</string>
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index e8304d801ab2a..35be4ebf3b6a5 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -836,6 +836,8 @@
   <java-symbol type="string" name="lockscreen_emergency_call" />
   <java-symbol type="string" name="lockscreen_return_to_call" />
   <java-symbol type="string" name="low_memory" />
+  <java-symbol type="string" name="mic_access_off_toast" />
+  <java-symbol type="string" name="mic_access_on_toast" />
   <java-symbol type="string" name="midnight" />
   <java-symbol type="string" name="mismatchPin" />
   <java-symbol type="string" name="mmiComplete" />
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index d5fbe46c55824..7e7dec7d3b81e 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -181,6 +181,7 @@ import android.view.accessibility.AccessibilityManager;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 import android.view.autofill.AutofillManagerInternal;
+import android.widget.Toast;
 
 import com.android.internal.R;
 import com.android.internal.accessibility.AccessibilityShortcutController;
@@ -204,6 +205,7 @@ import com.android.server.ExtconUEventObserver;
 import com.android.server.GestureLauncherService;
 import com.android.server.LocalServices;
 import com.android.server.SystemServiceManager;
+import com.android.server.UiThread;
 import com.android.server.input.InputManagerInternal;
 import com.android.server.inputmethod.InputMethodManagerInternal;
 import com.android.server.policy.KeyCombinationManager.TwoKeysCombinationRule;
@@ -3220,8 +3222,23 @@ public class PhoneWindowManager implements WindowManagerPolicy {
             boolean isEnabled = mSensorPrivacyManager.isSensorPrivacyEnabled(
                     SensorPrivacyManager.TOGGLE_TYPE_SOFTWARE,
                     SensorPrivacyManager.Sensors.MICROPHONE);
+
             mSensorPrivacyManager.setSensorPrivacy(SensorPrivacyManager.Sensors.MICROPHONE,
                     !isEnabled);
+
+            int toastTextResId;
+            if (isEnabled) {
+                toastTextResId = R.string.mic_access_on_toast;
+            } else {
+                toastTextResId = R.string.mic_access_off_toast;
+            }
+
+            Toast.makeText(
+                mContext,
+                UiThread.get().getLooper(),
+                mContext.getString(toastTextResId),
+                Toast.LENGTH_SHORT)
+                .show();
         }
     }