Mute microphone when the mic privacy toggle is enabled
If the mic is only known to be muted for the reasons of the toggle we
don't expose it in the isMicrophoneMuted api.
Test: Test with user switching and changing the toggle
Bug: 162549680
Change-Id: Iea794fee4d6d232e0bd5697eb8ed38c6a9f65208
diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index 68f10a5..1950710 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -61,6 +61,8 @@
import android.content.pm.UserInfo;
import android.content.res.Configuration;
import android.database.ContentObserver;
+import android.hardware.SensorPrivacyManager;
+import android.hardware.SensorPrivacyManagerInternal;
import android.hardware.hdmi.HdmiAudioSystemClient;
import android.hardware.hdmi.HdmiControlManager;
import android.hardware.hdmi.HdmiPlaybackClient;
@@ -520,6 +522,7 @@
/** Interface for UserManagerService. */
private final UserManagerInternal mUserManagerInternal;
private final ActivityManagerInternal mActivityManagerInternal;
+ private final SensorPrivacyManagerInternal mSensorPrivacyManagerInternal;
private final UserRestrictionsListener mUserRestrictionsListener =
new AudioServiceUserRestrictionsListener();
@@ -720,9 +723,12 @@
private String mEnabledSurroundFormats;
private boolean mSurroundModeChanged;
+ private boolean mSupportsMicPrivacyToggle;
+
private boolean mMicMuteFromSwitch;
private boolean mMicMuteFromApi;
private boolean mMicMuteFromRestrictions;
+ private boolean mMicMuteFromPrivacyToggle;
// caches the value returned by AudioSystem.isMicrophoneMuted()
private boolean mMicMuteFromSystemCached;
@@ -822,6 +828,8 @@
mUserManagerInternal = LocalServices.getService(UserManagerInternal.class);
mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
+ mSensorPrivacyManagerInternal =
+ LocalServices.getService(SensorPrivacyManagerInternal.class);
PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
mAudioEventWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "handleAudioEvent");
@@ -831,6 +839,9 @@
mVibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
mHasVibrator = mVibrator == null ? false : mVibrator.hasVibrator();
+ mSupportsMicPrivacyToggle = mContext.getPackageManager()
+ .hasSystemFeature(PackageManager.FEATURE_MICROPHONE_TOGGLE);
+
// Initialize volume
// Priority 1 - Android Property
// Priority 2 - Audio Policy Service
@@ -1106,6 +1117,16 @@
}
}
+ if (mSupportsMicPrivacyToggle) {
+ mSensorPrivacyManagerInternal.addSensorPrivacyListenerForAllUsers(
+ SensorPrivacyManager.Sensors.MICROPHONE, (userId, enabled) -> {
+ if (userId == getCurrentUserId()) {
+ mMicMuteFromPrivacyToggle = enabled;
+ setMicrophoneMuteNoCallerCheck(getCurrentUserId());
+ }
+ });
+ }
+
mNm = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
sendMsg(mAudioHandler,
@@ -3840,11 +3861,12 @@
* @return true if microphone is reported as muted by primary HAL
*/
public boolean isMicrophoneMuted() {
- return mMicMuteFromSystemCached;
+ return mMicMuteFromSystemCached && !mMicMuteFromPrivacyToggle;
}
private boolean isMicrophoneSupposedToBeMuted() {
- return mMicMuteFromSwitch || mMicMuteFromRestrictions || mMicMuteFromApi;
+ return mMicMuteFromSwitch || mMicMuteFromRestrictions || mMicMuteFromApi
+ || mMicMuteFromPrivacyToggle;
}
private void setMicrophoneMuteNoCallerCheck(int userId) {
@@ -7474,6 +7496,13 @@
// the current audio focus owner is no longer valid
mMediaFocusControl.discardAudioFocusOwner();
+ if (mSupportsMicPrivacyToggle) {
+ mMicMuteFromPrivacyToggle = mSensorPrivacyManagerInternal
+ .isSensorPrivacyEnabled(getCurrentUserId(),
+ SensorPrivacyManager.Sensors.MICROPHONE);
+ setMicrophoneMuteNoCallerCheck(getCurrentUserId());
+ }
+
// load volume settings for new user
readAudioSettings(true /*userSwitch*/);
// preserve STREAM_MUSIC volume from one user to the next.