Ensure that falsing is turned off when a11y is on.

Fixes: 192111575
Test: manual
Change-Id: Ie2fc70b4079c7bb429cf9511574aa898f611ed3a

packages/SystemUI/src/com/android/systemui/classifier/BrightLineFalsingManager.java

@@ -25,6 +25,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.util.IndentingPrintWriter;
 import android.util.Log;
+import android.view.accessibility.AccessibilityManager;
 
 import androidx.annotation.NonNull;
 
@@ -70,6 +71,7 @@ public class BrightLineFalsingManager implements FalsingManager {
     private final DoubleTapClassifier mDoubleTapClassifier;
     private final HistoryTracker mHistoryTracker;
     private final KeyguardStateController mKeyguardStateController;
+    private AccessibilityManager mAccessibilityManager;
     private final boolean mTestHarness;
     private final MetricsLogger mMetricsLogger;
     private int mIsFalseTouchCalls;
@@ -175,6 +177,7 @@ public class BrightLineFalsingManager implements FalsingManager {
             @Named(BRIGHT_LINE_GESTURE_CLASSIFERS) Set<FalsingClassifier> classifiers,
             SingleTapClassifier singleTapClassifier, DoubleTapClassifier doubleTapClassifier,
             HistoryTracker historyTracker, KeyguardStateController keyguardStateController,
+            AccessibilityManager accessibilityManager,
             @TestHarness boolean testHarness) {
         mDataProvider = falsingDataProvider;
         mDockManager = dockManager;
@@ -184,6 +187,7 @@ public class BrightLineFalsingManager implements FalsingManager {
         mDoubleTapClassifier = doubleTapClassifier;
         mHistoryTracker = historyTracker;
         mKeyguardStateController = keyguardStateController;
+        mAccessibilityManager = accessibilityManager;
         mTestHarness = testHarness;
 
         mDataProvider.addSessionListener(mSessionListener);
@@ -328,7 +332,8 @@ public class BrightLineFalsingManager implements FalsingManager {
                 || !mKeyguardStateController.isShowing()
                 || mTestHarness
                 || mDataProvider.isJustUnlockedWithFace()
-                || mDockManager.isDocked();
+                || mDockManager.isDocked()
+                || mAccessibilityManager.isEnabled();
     }
 
     @Override

packages/SystemUI/tests/src/com/android/systemui/classifier/BrightLineClassifierTest.java

@@ -31,6 +31,7 @@ import static org.mockito.Mockito.when;
 
 import android.testing.AndroidTestingRunner;
 import android.view.MotionEvent;
+import android.view.accessibility.AccessibilityManager;
 
 import androidx.test.filters.SmallTest;
 
@@ -77,6 +78,8 @@ public class BrightLineClassifierTest extends SysuiTestCase {
     private HistoryTracker mHistoryTracker;
     @Mock
     private KeyguardStateController mKeyguardStateController;
+    @Mock
+    private AccessibilityManager mAccessibilityManager;
 
     private final FakeExecutor mFakeExecutor = new FakeExecutor(new FakeSystemClock());
 
@@ -101,7 +104,8 @@ public class BrightLineClassifierTest extends SysuiTestCase {
         when(mKeyguardStateController.isShowing()).thenReturn(true);
         mBrightLineFalsingManager = new BrightLineFalsingManager(mFalsingDataProvider, mDockManager,
                 mMetricsLogger, mClassifiers, mSingleTapClassfier, mDoubleTapClassifier,
-                mHistoryTracker, mKeyguardStateController, false);
+                mHistoryTracker, mKeyguardStateController, mAccessibilityManager,
+                false);
 
 
         ArgumentCaptor<GestureFinalizedListener> gestureCompleteListenerCaptor =

packages/SystemUI/tests/src/com/android/systemui/classifier/BrightLineFalsingManagerTest.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2020 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.systemui.classifier;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyDouble;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.when;
+
+import android.testing.AndroidTestingRunner;
+import android.view.MotionEvent;
+import android.view.accessibility.AccessibilityManager;
+
+import androidx.test.filters.SmallTest;
+
+import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.testing.FakeMetricsLogger;
+import com.android.systemui.SysuiTestCase;
+import com.android.systemui.dock.DockManagerFake;
+import com.android.systemui.statusbar.policy.KeyguardStateController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+@SmallTest
+@RunWith(AndroidTestingRunner.class)
+public class BrightLineFalsingManagerTest extends SysuiTestCase {
+    private BrightLineFalsingManager mBrightLineFalsingManager;
+    @Mock
+    private FalsingDataProvider mFalsingDataProvider;
+    private final DockManagerFake mDockManager = new DockManagerFake();
+    private final MetricsLogger mMetricsLogger = new FakeMetricsLogger();
+    private final Set<FalsingClassifier> mClassifiers = new HashSet<>();
+    @Mock
+    private SingleTapClassifier mSingleTapClassifier;
+    @Mock
+    private DoubleTapClassifier mDoubleTapClassifier;
+    @Mock
+    private FalsingClassifier mClassifierA;
+    private final List<MotionEvent> mMotionEventList = new ArrayList<>();
+    @Mock
+    private HistoryTracker mHistoryTracker;
+    @Mock
+    private KeyguardStateController mKeyguardStateController;
+    @Mock
+    private AccessibilityManager mAccessibilityManager;
+
+    private final FalsingClassifier.Result mPassedResult = FalsingClassifier.Result.passed(1);
+    private final FalsingClassifier.Result mFalsedResult =
+            FalsingClassifier.Result.falsed(1, getClass().getSimpleName(), "");
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        when(mClassifierA.classifyGesture(anyInt(), anyDouble(), anyDouble()))
+                .thenReturn(mFalsedResult);
+        when(mSingleTapClassifier.isTap(any(List.class), anyDouble())).thenReturn(mFalsedResult);
+        when(mDoubleTapClassifier.classifyGesture(anyInt(), anyDouble(), anyDouble()))
+                .thenReturn(mFalsedResult);
+        mClassifiers.add(mClassifierA);
+        when(mFalsingDataProvider.getRecentMotionEvents()).thenReturn(mMotionEventList);
+        when(mKeyguardStateController.isShowing()).thenReturn(true);
+        mBrightLineFalsingManager = new BrightLineFalsingManager(mFalsingDataProvider, mDockManager,
+                mMetricsLogger, mClassifiers, mSingleTapClassifier, mDoubleTapClassifier,
+                mHistoryTracker, mKeyguardStateController, mAccessibilityManager,
+                false);
+    }
+
+    @Test
+    public void testA11yDisablesGesture() {
+        assertThat(mBrightLineFalsingManager.isFalseTap(1)).isTrue();
+        when(mAccessibilityManager.isEnabled()).thenReturn(true);
+        assertThat(mBrightLineFalsingManager.isFalseTap(1)).isFalse();
+    }
+
+
+    @Test
+    public void testA11yDisablesTap() {
+        assertThat(mBrightLineFalsingManager.isFalseTouch(Classifier.GENERIC)).isTrue();
+        when(mAccessibilityManager.isEnabled()).thenReturn(true);
+        assertThat(mBrightLineFalsingManager.isFalseTouch(Classifier.GENERIC)).isFalse();
+    }
+
+
+    @Test
+    public void testA11yDisablesDoubleTap() {
+        assertThat(mBrightLineFalsingManager.isFalseDoubleTap()).isTrue();
+        when(mAccessibilityManager.isEnabled()).thenReturn(true);
+        assertThat(mBrightLineFalsingManager.isFalseDoubleTap()).isFalse();
+    }
+
+
+}