Android/frameworks_base
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Assume all touches are valid after face auth

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Biometric authentication is a strong user presense signal.
Let's factor it into FalsingManager.

Fixes: 132094802
Test: manual
Change-Id: I799a07040faffa41e0990ada7cb73022e53315a3
This commit is contained in:
Lucas Dupin
2019-05-08 15:13:36 -07:00
parent 0d04871fb3
commit 7e35d14037
1 changed files with 22 additions and 0 deletions
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22
packages/SystemUI/src/com/android/systemui/classifier/FalsingManagerImpl.java
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@@ -22,6 +22,7 @@ import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.hardware.biometrics.BiometricSourceType;
import android.net.Uri;
import android.os.Handler;
import android.os.Looper;
@@ -33,6 +34,8 @@ import android.view.MotionEvent;
import android.view.accessibility.AccessibilityManager;
import com.android.internal.logging.MetricsLogger;
import com.android.keyguard.KeyguardUpdateMonitor;
import com.android.keyguard.KeyguardUpdateMonitorCallback;
import com.android.systemui.Dependency;
import com.android.systemui.UiOffloadThread;
import com.android.systemui.analytics.DataCollector;
@@ -80,6 +83,7 @@ public class FalsingManagerImpl implements FalsingManagerFactory.FalsingManager
private boolean mBouncerOffOnDown = false;
private boolean mSessionActive = false;
private boolean mIsTouchScreen = true;
private boolean mJustUnlockedWithFace = false;
private int mState = StatusBarState.SHADE;
private boolean mScreenOn;
private boolean mShowingAod;
@@ -120,6 +124,17 @@ public class FalsingManagerImpl implements FalsingManagerFactory.FalsingManager
updateConfiguration();
}
};
private final KeyguardUpdateMonitorCallback mKeyguardUpdateCallback =
new KeyguardUpdateMonitorCallback() {
@Override
public void onBiometricAuthenticated(int userId,
BiometricSourceType biometricSourceType) {
if (userId == KeyguardUpdateMonitor.getCurrentUser()
&& biometricSourceType == BiometricSourceType.FACE) {
mJustUnlockedWithFace = true;
}
}
};
FalsingManagerImpl(Context context) {
mContext = context;
@@ -138,6 +153,7 @@ public class FalsingManagerImpl implements FalsingManagerFactory.FalsingManager
updateConfiguration();
Dependency.get(StatusBarStateController.class).addCallback(mStatusBarStateListener);
KeyguardUpdateMonitor.getInstance(context).registerCallback(mKeyguardUpdateCallback);
}
private void updateConfiguration() {
@@ -199,6 +215,7 @@ public class FalsingManagerImpl implements FalsingManagerFactory.FalsingManager
}
mBouncerOn = false;
mSessionActive = true;
mJustUnlockedWithFace = false;
mIsFalseTouchCalls = 0;
if (mHumanInteractionClassifier.isEnabled()) {
@@ -285,6 +302,11 @@ public class FalsingManagerImpl implements FalsingManagerFactory.FalsingManager
// anti-falsed.
return false;
}
if (mJustUnlockedWithFace) {
// Unlocking with face is a strong user presence signal, we can assume the user
// is present until the next session starts.
return false;
}
mIsFalseTouchCalls++;
boolean isFalse = mHumanInteractionClassifier.isFalseTouch();
if (!isFalse) {