Adding two UiEvent IDs to log when slider tracks and stops tracking
touch.

The events are part of a new enumerable class BrightnessSliderEvent.
They are: SLIDER_STARTED_TRACKING_TOUCH and SLIDER_STOPPED_TRACKING_TOUCH

Test: atest BrightnessSliderControllerTest
Test: manual, make statsd_testdrive && statsd_testdrive 90
Bug: 295932558

Change-Id: I8062a3950b67d218aba224b08cf12ced864db33e
diff --git a/packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessSliderController.java b/packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessSliderController.java
index 6c8190a..d0d37c4 100644
--- a/packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessSliderController.java
+++ b/packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessSliderController.java
@@ -25,6 +25,7 @@
 
 import androidx.annotation.Nullable;
 
+import com.android.internal.logging.UiEventLogger;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.systemui.Gefingerpoken;
 import com.android.systemui.R;
@@ -52,6 +53,7 @@
     private BrightnessMirrorController mMirrorController;
     private boolean mTracking;
     private final FalsingManager mFalsingManager;
+    private final UiEventLogger mUiEventLogger;
 
     private final Gefingerpoken mOnInterceptListener = new Gefingerpoken() {
         @Override
@@ -72,9 +74,11 @@
 
     BrightnessSliderController(
             BrightnessSliderView brightnessSliderView,
-            FalsingManager falsingManager) {
+            FalsingManager falsingManager,
+            UiEventLogger uiEventLogger) {
         super(brightnessSliderView);
         mFalsingManager = falsingManager;
+        mUiEventLogger = uiEventLogger;
     }
 
     /**
@@ -206,7 +210,7 @@
         @Override
         public void onStartTrackingTouch(SeekBar seekBar) {
             mTracking = true;
-
+            mUiEventLogger.log(BrightnessSliderEvent.SLIDER_STARTED_TRACKING_TOUCH);
             if (mListener != null) {
                 mListener.onChanged(mTracking, getValue(), false);
             }
@@ -220,7 +224,7 @@
         @Override
         public void onStopTrackingTouch(SeekBar seekBar) {
             mTracking = false;
-
+            mUiEventLogger.log(BrightnessSliderEvent.SLIDER_STOPPED_TRACKING_TOUCH);
             if (mListener != null) {
                 mListener.onChanged(mTracking, getValue(), true);
             }
@@ -237,10 +241,12 @@
     public static class Factory {
 
         private final FalsingManager mFalsingManager;
+        private final UiEventLogger mUiEventLogger;
 
         @Inject
-        public Factory(FalsingManager falsingManager) {
+        public Factory(FalsingManager falsingManager, UiEventLogger uiEventLogger) {
             mFalsingManager = falsingManager;
+            mUiEventLogger = uiEventLogger;
         }
 
         /**
@@ -250,11 +256,13 @@
          * @param viewRoot the {@link ViewGroup} that will contain the hierarchy. The inflated
          *                 hierarchy will not be attached
          */
-        public BrightnessSliderController create(Context context, @Nullable ViewGroup viewRoot) {
+        public BrightnessSliderController create(
+                Context context,
+                @Nullable ViewGroup viewRoot) {
             int layout = getLayout();
             BrightnessSliderView root = (BrightnessSliderView) LayoutInflater.from(context)
                     .inflate(layout, viewRoot, false);
-            return new BrightnessSliderController(root, mFalsingManager);
+            return new BrightnessSliderController(root, mFalsingManager, mUiEventLogger);
         }
 
         /** Get the layout to inflate based on what slider to use */
diff --git a/packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessSliderEvent.java b/packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessSliderEvent.java
new file mode 100644
index 0000000..3a30880
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessSliderEvent.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2023 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.settings.brightness;
+
+import com.android.internal.logging.UiEvent;
+import com.android.internal.logging.UiEventLogger;
+
+public enum BrightnessSliderEvent implements UiEventLogger.UiEventEnum {
+
+    @UiEvent(doc = "slider started to track touch")
+    SLIDER_STARTED_TRACKING_TOUCH(1472),
+    @UiEvent(doc = "slider stopped tracking touch")
+    SLIDER_STOPPED_TRACKING_TOUCH(1473);
+
+    private final int mId;
+
+    BrightnessSliderEvent(int id) {
+        mId = id;
+    }
+
+    @Override
+    public int getId() {
+        return mId;
+    }
+}
diff --git a/packages/SystemUI/tests/src/com/android/systemui/settings/brightness/BrightnessSliderControllerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/settings/brightness/BrightnessSliderControllerTest.kt
index 2b39354..d75405f 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/settings/brightness/BrightnessSliderControllerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/settings/brightness/BrightnessSliderControllerTest.kt
@@ -20,6 +20,7 @@
 import android.view.MotionEvent
 import android.widget.SeekBar
 import androidx.test.filters.SmallTest
+import com.android.internal.logging.testing.UiEventLoggerFake
 import com.android.settingslib.RestrictedLockUtils
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.classifier.FalsingManagerFake
@@ -39,6 +40,7 @@
 import org.mockito.Mockito.isNull
 import org.mockito.Mockito.never
 import org.mockito.Mockito.notNull
+import org.mockito.Mockito.times
 import org.mockito.Mockito.verify
 import org.mockito.MockitoAnnotations
 import org.mockito.Mockito.`when` as whenever
@@ -64,6 +66,7 @@
     private lateinit var seekBarChangeCaptor: ArgumentCaptor<SeekBar.OnSeekBarChangeListener>
     @Mock
     private lateinit var seekBar: SeekBar
+    private val uiEventLogger = UiEventLoggerFake()
     private var mFalsingManager: FalsingManagerFake = FalsingManagerFake()
 
     private lateinit var mController: BrightnessSliderController
@@ -75,7 +78,8 @@
         whenever(mirrorController.toggleSlider).thenReturn(mirror)
         whenever(motionEvent.copy()).thenReturn(motionEvent)
 
-        mController = BrightnessSliderController(brightnessSliderView, mFalsingManager)
+        mController =
+            BrightnessSliderController(brightnessSliderView, mFalsingManager, uiEventLogger)
         mController.init()
         mController.setOnChangedListener(listener)
     }
@@ -190,6 +194,7 @@
     @Test
     fun testSeekBarTrackingStarted() {
         whenever(brightnessSliderView.value).thenReturn(42)
+        val event = BrightnessSliderEvent.SLIDER_STARTED_TRACKING_TOUCH
 
         mController.onViewAttached()
         mController.setMirrorControllerAndMirror(mirrorController)
@@ -200,11 +205,14 @@
         verify(listener).onChanged(eq(true), eq(42), eq(false))
         verify(mirrorController).showMirror()
         verify(mirrorController).setLocationAndSize(brightnessSliderView)
+        assertThat(uiEventLogger.numLogs()).isEqualTo(1)
+        assertThat(uiEventLogger.eventId(0)).isEqualTo(event.id)
     }
 
     @Test
     fun testSeekBarTrackingStopped() {
         whenever(brightnessSliderView.value).thenReturn(23)
+        val event = BrightnessSliderEvent.SLIDER_STOPPED_TRACKING_TOUCH
 
         mController.onViewAttached()
         mController.setMirrorControllerAndMirror(mirrorController)
@@ -214,5 +222,7 @@
 
         verify(listener).onChanged(eq(false), eq(23), eq(true))
         verify(mirrorController).hideMirror()
+        assertThat(uiEventLogger.numLogs()).isEqualTo(1)
+        assertThat(uiEventLogger.eventId(0)).isEqualTo(event.id)
     }
 }
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