Merge "Add ConfigurationRepository and BurnInInteractor" into udc-dev

2023-05-01 12:49:17 +00:00
parent 2ba8900761 f80df12003
commit f1c8054ec6
11 changed files with 714 additions and 3 deletions
--- a/packages/SystemUI/src/com/android/systemui/common/ui/data/repository/CommonRepositoryModule.kt
+++ b/packages/SystemUI/src/com/android/systemui/common/ui/data/repository/CommonRepositoryModule.kt
@@ -0,0 +1,25 @@
+/*
+ * 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.common.ui.data.repository
+
+import dagger.Binds
+import dagger.Module
+
+@Module
+interface CommonRepositoryModule {
+    @Binds fun bindRepository(impl: ConfigurationRepositoryImpl): ConfigurationRepository
+}
--- a/packages/SystemUI/src/com/android/systemui/common/ui/data/repository/ConfigurationRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/common/ui/data/repository/ConfigurationRepository.kt
@@ -0,0 +1,118 @@
+/*
+ * 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.common.ui.data.repository
+
+import android.content.Context
+import android.content.res.Configuration
+import android.view.DisplayInfo
+import com.android.systemui.common.coroutine.ChannelExt.trySendWithFailureLogging
+import com.android.systemui.common.coroutine.ConflatedCallbackFlow
+import com.android.systemui.dagger.SysUISingleton
+import com.android.systemui.dagger.qualifiers.Application
+import com.android.systemui.statusbar.policy.ConfigurationController
+import com.android.systemui.util.wrapper.DisplayUtilsWrapper
+import javax.inject.Inject
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.channels.awaitClose
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.mapLatest
+import kotlinx.coroutines.flow.stateIn
+
+interface ConfigurationRepository {
+    /** Called whenever ui mode, theme or configuration has changed. */
+    val onAnyConfigurationChange: Flow<Unit>
+    val scaleForResolution: Flow<Float>
+
+    fun getResolutionScale(): Float
+}
+
+@ExperimentalCoroutinesApi
+@SysUISingleton
+class ConfigurationRepositoryImpl
+@Inject
+constructor(
+    private val configurationController: ConfigurationController,
+    private val context: Context,
+    @Application private val scope: CoroutineScope,
+    private val displayUtils: DisplayUtilsWrapper,
+) : ConfigurationRepository {
+    private val displayInfo = MutableStateFlow(DisplayInfo())
+
+    override val onAnyConfigurationChange: Flow<Unit> =
+        ConflatedCallbackFlow.conflatedCallbackFlow {
+            val callback =
+                object : ConfigurationController.ConfigurationListener {
+                    override fun onUiModeChanged() {
+                        sendUpdate("ConfigurationRepository#onUiModeChanged")
+                    }
+
+                    override fun onThemeChanged() {
+                        sendUpdate("ConfigurationRepository#onThemeChanged")
+                    }
+
+                    override fun onConfigChanged(newConfig: Configuration) {
+                        sendUpdate("ConfigurationRepository#onConfigChanged")
+                    }
+
+                    fun sendUpdate(reason: String) {
+                        trySendWithFailureLogging(Unit, reason)
+                    }
+                }
+            configurationController.addCallback(callback)
+            awaitClose { configurationController.removeCallback(callback) }
+        }
+
+    private val configurationChange: Flow<Unit> =
+        ConflatedCallbackFlow.conflatedCallbackFlow {
+            val callback =
+                object : ConfigurationController.ConfigurationListener {
+                    override fun onConfigChanged(newConfig: Configuration) {
+                        trySendWithFailureLogging(Unit, "ConfigurationRepository#onConfigChanged")
+                    }
+                }
+            configurationController.addCallback(callback)
+            awaitClose { configurationController.removeCallback(callback) }
+        }
+
+    override val scaleForResolution: StateFlow<Float> =
+        configurationChange
+            .mapLatest { getResolutionScale() }
+            .distinctUntilChanged()
+            .stateIn(scope, SharingStarted.WhileSubscribed(), getResolutionScale())
+
+    override fun getResolutionScale(): Float {
+        context.display.getDisplayInfo(displayInfo.value)
+        val maxDisplayMode =
+            displayUtils.getMaximumResolutionDisplayMode(displayInfo.value.supportedModes)
+        maxDisplayMode?.let {
+            val scaleFactor =
+                displayUtils.getPhysicalPixelDisplaySizeRatio(
+                    maxDisplayMode.physicalWidth,
+                    maxDisplayMode.physicalHeight,
+                    displayInfo.value.naturalWidth,
+                    displayInfo.value.naturalHeight
+                )
+            return if (scaleFactor == Float.POSITIVE_INFINITY) 1f else scaleFactor
+        }
+        return 1f
+    }
+}
--- a/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java
+++ b/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java
@@ -39,6 +39,7 @@ import com.android.systemui.biometrics.dagger.BiometricsModule;
 import com.android.systemui.biometrics.dagger.UdfpsModule;
 import com.android.systemui.classifier.FalsingModule;
 import com.android.systemui.clipboardoverlay.dagger.ClipboardOverlayModule;
+import com.android.systemui.common.ui.data.repository.CommonRepositoryModule;
 import com.android.systemui.complication.dagger.ComplicationComponent;
 import com.android.systemui.controls.dagger.ControlsModule;
 import com.android.systemui.dagger.qualifiers.Main;
@@ -155,6 +156,7 @@ import javax.inject.Named;
            ClipboardOverlayModule.class,
            ClockInfoModule.class,
            ClockRegistryModule.class,
+            CommonRepositoryModule.class,
            ConnectivityModule.class,
            CoroutinesModule.class,
            DreamModule.class,
--- a/packages/SystemUI/src/com/android/systemui/doze/util/BurnInHelperWrapper.kt
+++ b/packages/SystemUI/src/com/android/systemui/doze/util/BurnInHelperWrapper.kt
@@ -24,4 +24,8 @@ class BurnInHelperWrapper @Inject constructor() {
    fun burnInOffset(amplitude: Int, xAxis: Boolean): Int {
        return getBurnInOffset(amplitude, xAxis)
    }
+
+    fun burnInProgressOffset(): Float {
+        return getBurnInProgressOffset()
+    }
 }
--- a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/BurnInInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/BurnInInteractor.kt
@@ -0,0 +1,125 @@
+/*
+ *  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.keyguard.domain.interactor
+
+import android.content.Context
+import androidx.annotation.DimenRes
+import com.android.systemui.R
+import com.android.systemui.common.ui.data.repository.ConfigurationRepository
+import com.android.systemui.dagger.SysUISingleton
+import com.android.systemui.dagger.qualifiers.Application
+import com.android.systemui.doze.util.BurnInHelperWrapper
+import com.android.systemui.util.time.SystemClock
+import javax.inject.Inject
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.mapLatest
+import kotlinx.coroutines.flow.stateIn
+
+/** Encapsulates business-logic related to Ambient Display burn-in offsets. */
+@ExperimentalCoroutinesApi
+@SysUISingleton
+class BurnInInteractor
+@Inject
+constructor(
+    private val context: Context,
+    private val burnInHelperWrapper: BurnInHelperWrapper,
+    @Application private val scope: CoroutineScope,
+    private val configurationRepository: ConfigurationRepository,
+    private val systemClock: SystemClock,
+) {
+    private val _dozeTimeTick = MutableStateFlow<Long>(0)
+    val dozeTimeTick: StateFlow<Long> = _dozeTimeTick.asStateFlow()
+
+    val udfpsBurnInXOffset: StateFlow<Int> =
+        burnInOffsetDefinedInPixels(R.dimen.udfps_burn_in_offset_x, isXAxis = true)
+    val udfpsBurnInYOffset: StateFlow<Int> =
+        burnInOffsetDefinedInPixels(R.dimen.udfps_burn_in_offset_y, isXAxis = false)
+    val udfpsBurnInProgress: StateFlow<Float> =
+        dozeTimeTick
+            .mapLatest { burnInHelperWrapper.burnInProgressOffset() }
+            .stateIn(scope, SharingStarted.Lazily, burnInHelperWrapper.burnInProgressOffset())
+
+    fun dozeTimeTick() {
+        _dozeTimeTick.value = systemClock.uptimeMillis()
+    }
+
+    /**
+     * Use for max burn-in offsets that are NOT specified in pixels. This flow will recalculate the
+     * max burn-in offset on any configuration changes. If the max burn-in offset is specified in
+     * pixels, use [burnInOffsetDefinedInPixels].
+     */
+    private fun burnInOffset(
+        @DimenRes maxBurnInOffsetResourceId: Int,
+        isXAxis: Boolean,
+    ): StateFlow<Int> {
+        return configurationRepository.onAnyConfigurationChange
+            .flatMapLatest {
+                val maxBurnInOffsetPixels =
+                    context.resources.getDimensionPixelSize(maxBurnInOffsetResourceId)
+                dozeTimeTick.mapLatest { calculateOffset(maxBurnInOffsetPixels, isXAxis) }
+            }
+            .stateIn(
+                scope,
+                SharingStarted.Lazily,
+                calculateOffset(
+                    context.resources.getDimensionPixelSize(maxBurnInOffsetResourceId),
+                    isXAxis,
+                )
+            )
+    }
+
+    /**
+     * Use for max burn-in offBurn-in offsets that ARE specified in pixels. This flow will apply the
+     * a scale for any resolution changes. If the max burn-in offset is specified in dp, use
+     * [burnInOffset].
+     */
+    private fun burnInOffsetDefinedInPixels(
+        @DimenRes maxBurnInOffsetResourceId: Int,
+        isXAxis: Boolean,
+    ): StateFlow<Int> {
+        return configurationRepository.scaleForResolution
+            .flatMapLatest { scale ->
+                val maxBurnInOffsetPixels =
+                    context.resources.getDimensionPixelSize(maxBurnInOffsetResourceId)
+                dozeTimeTick.mapLatest { calculateOffset(maxBurnInOffsetPixels, isXAxis, scale) }
+            }
+            .stateIn(
+                scope,
+                SharingStarted.WhileSubscribed(),
+                calculateOffset(
+                    context.resources.getDimensionPixelSize(maxBurnInOffsetResourceId),
+                    isXAxis,
+                    configurationRepository.getResolutionScale(),
+                )
+            )
+    }
+
+    private fun calculateOffset(
+        maxBurnInOffsetPixels: Int,
+        isXAxis: Boolean,
+        scale: Float = 1f
+    ): Int {
+        return (burnInHelperWrapper.burnInOffset(maxBurnInOffsetPixels, isXAxis) * scale).toInt()
+    }
+}
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeServiceHost.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeServiceHost.java
@@ -37,6 +37,7 @@ import com.android.systemui.doze.DozeHost;
 import com.android.systemui.doze.DozeLog;
 import com.android.systemui.doze.DozeReceiver;
 import com.android.systemui.keyguard.WakefulnessLifecycle;
+import com.android.systemui.keyguard.domain.interactor.BurnInInteractor;
 import com.android.systemui.shade.NotificationShadeWindowViewController;
 import com.android.systemui.shade.ShadeViewController;
 import com.android.systemui.statusbar.NotificationShadeWindowController;
@@ -56,10 +57,12 @@ import java.util.ArrayList;

 import javax.inject.Inject;

+import kotlinx.coroutines.ExperimentalCoroutinesApi;
+
 /**
 * Implementation of DozeHost for SystemUI.
 */
-@SysUISingleton
+@ExperimentalCoroutinesApi @SysUISingleton
 public final class DozeServiceHost implements DozeHost {
    private static final String TAG = "DozeServiceHost";
    private final ArrayList<Callback> mCallbacks = new ArrayList<>();
@@ -89,6 +92,7 @@ public final class DozeServiceHost implements DozeHost {
    private NotificationShadeWindowViewController mNotificationShadeWindowViewController;
    private final AuthController mAuthController;
    private final NotificationIconAreaController mNotificationIconAreaController;
+    private final BurnInInteractor mBurnInInteractor;
    private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager;
    private ShadeViewController mNotificationPanel;
    private View mAmbientIndicationContainer;
@@ -110,7 +114,8 @@ public final class DozeServiceHost implements DozeHost {
            NotificationShadeWindowController notificationShadeWindowController,
            NotificationWakeUpCoordinator notificationWakeUpCoordinator,
            AuthController authController,
-            NotificationIconAreaController notificationIconAreaController) {
+            NotificationIconAreaController notificationIconAreaController,
+            BurnInInteractor burnInInteractor) {
        super();
        mDozeLog = dozeLog;
        mPowerManager = powerManager;
@@ -129,6 +134,7 @@ public final class DozeServiceHost implements DozeHost {
        mNotificationWakeUpCoordinator = notificationWakeUpCoordinator;
        mAuthController = authController;
        mNotificationIconAreaController = notificationIconAreaController;
+        mBurnInInteractor = burnInInteractor;
        mHeadsUpManagerPhone.addListener(mOnHeadsUpChangedListener);
    }

@@ -304,6 +310,7 @@ public final class DozeServiceHost implements DozeHost {
        if (mAmbientIndicationContainer instanceof DozeReceiver) {
            ((DozeReceiver) mAmbientIndicationContainer).dozeTimeTick();
        }
+        mBurnInInteractor.dozeTimeTick();
    }

    @Override
--- a/packages/SystemUI/src/com/android/systemui/util/wrapper/DisplayUtilsWrapper.kt
+++ b/packages/SystemUI/src/com/android/systemui/util/wrapper/DisplayUtilsWrapper.kt
@@ -0,0 +1,42 @@
+/*
+ * 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.util.wrapper
+
+import android.util.DisplayUtils
+import android.view.Display
+import javax.inject.Inject
+
+/** Injectable wrapper around `DisplayUtils` functions */
+class DisplayUtilsWrapper @Inject constructor() {
+    fun getPhysicalPixelDisplaySizeRatio(
+        physicalWidth: Int,
+        physicalHeight: Int,
+        currentWidth: Int,
+        currentHeight: Int
+    ): Float {
+        return DisplayUtils.getPhysicalPixelDisplaySizeRatio(
+            physicalWidth,
+            physicalHeight,
+            currentWidth,
+            currentHeight
+        )
+    }
+
+    fun getMaximumResolutionDisplayMode(modes: Array<Display.Mode>?): Display.Mode? {
+        return DisplayUtils.getMaximumResolutionDisplayMode(modes)
+    }
+}
--- a/packages/SystemUI/tests/src/com/android/systemui/common/ui/data/repository/ConfigurationRepositoryImplTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/common/ui/data/repository/ConfigurationRepositoryImplTest.kt
@@ -0,0 +1,196 @@
+/*
+ * 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.common.ui.data.repository
+
+import android.content.res.Configuration
+import android.view.Display
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.android.systemui.SysuiTestCase
+import com.android.systemui.coroutines.collectLastValue
+import com.android.systemui.statusbar.policy.ConfigurationController
+import com.android.systemui.util.mockito.any
+import com.android.systemui.util.mockito.whenever
+import com.android.systemui.util.mockito.withArgCaptor
+import com.android.systemui.util.wrapper.DisplayUtilsWrapper
+import com.google.common.truth.Truth.assertThat
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.runCurrent
+import kotlinx.coroutines.test.runTest
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.ArgumentMatchers.anyInt
+import org.mockito.Mock
+import org.mockito.Mockito.mock
+import org.mockito.Mockito.verify
+import org.mockito.MockitoAnnotations
+
+@ExperimentalCoroutinesApi
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class ConfigurationRepositoryImplTest : SysuiTestCase() {
+    private var displaySizeRatio = 0f
+    @Mock private lateinit var configurationController: ConfigurationController
+    @Mock private lateinit var displayUtils: DisplayUtilsWrapper
+
+    private lateinit var testScope: TestScope
+    private lateinit var underTest: ConfigurationRepositoryImpl
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        setPhysicalPixelDisplaySizeRatio(displaySizeRatio)
+
+        testScope = TestScope()
+        underTest =
+            ConfigurationRepositoryImpl(
+                configurationController,
+                context,
+                testScope.backgroundScope,
+                displayUtils,
+            )
+    }
+
+    @Test
+    fun onAnyConfigurationChange_updatesOnUiModeChanged() =
+        testScope.runTest {
+            val lastAnyConfigurationChange by collectLastValue(underTest.onAnyConfigurationChange)
+            assertThat(lastAnyConfigurationChange).isNull()
+
+            val configurationCallback = withArgCaptor {
+                verify(configurationController).addCallback(capture())
+            }
+
+            configurationCallback.onUiModeChanged()
+            runCurrent()
+            assertThat(lastAnyConfigurationChange).isNotNull()
+        }
+
+    @Test
+    fun onAnyConfigurationChange_updatesOnThemeChanged() =
+        testScope.runTest {
+            val lastAnyConfigurationChange by collectLastValue(underTest.onAnyConfigurationChange)
+            assertThat(lastAnyConfigurationChange).isNull()
+
+            val configurationCallback = withArgCaptor {
+                verify(configurationController).addCallback(capture())
+            }
+
+            configurationCallback.onThemeChanged()
+            runCurrent()
+            assertThat(lastAnyConfigurationChange).isNotNull()
+        }
+
+    @Test
+    fun onAnyConfigurationChange_updatesOnConfigChanged() =
+        testScope.runTest {
+            val lastAnyConfigurationChange by collectLastValue(underTest.onAnyConfigurationChange)
+            assertThat(lastAnyConfigurationChange).isNull()
+
+            val configurationCallback = withArgCaptor {
+                verify(configurationController).addCallback(capture())
+            }
+
+            configurationCallback.onConfigChanged(mock(Configuration::class.java))
+            runCurrent()
+            assertThat(lastAnyConfigurationChange).isNotNull()
+        }
+
+    @Test
+    fun onResolutionScale_updatesOnConfigurationChange() =
+        testScope.runTest {
+            val scaleForResolution by collectLastValue(underTest.scaleForResolution)
+            assertThat(scaleForResolution).isEqualTo(displaySizeRatio)
+
+            val configurationCallback = withArgCaptor {
+                verify(configurationController).addCallback(capture())
+            }
+
+            setPhysicalPixelDisplaySizeRatio(2f)
+            configurationCallback.onConfigChanged(mock(Configuration::class.java))
+            assertThat(scaleForResolution).isEqualTo(displaySizeRatio)
+
+            setPhysicalPixelDisplaySizeRatio(.21f)
+            configurationCallback.onConfigChanged(mock(Configuration::class.java))
+            assertThat(scaleForResolution).isEqualTo(displaySizeRatio)
+        }
+
+    @Test
+    fun onResolutionScale_nullMaxResolution() =
+        testScope.runTest {
+            val scaleForResolution by collectLastValue(underTest.scaleForResolution)
+            runCurrent()
+
+            givenNullMaxResolutionDisplayMode()
+            val configurationCallback = withArgCaptor {
+                verify(configurationController).addCallback(capture())
+            }
+            configurationCallback.onConfigChanged(mock(Configuration::class.java))
+            assertThat(scaleForResolution).isEqualTo(1f)
+        }
+
+    @Test
+    fun getResolutionScale_nullMaxResolutionDisplayMode() {
+        givenNullMaxResolutionDisplayMode()
+        assertThat(underTest.getResolutionScale()).isEqualTo(1f)
+    }
+
+    @Test
+    fun getResolutionScale_infiniteDisplayRatios() {
+        setPhysicalPixelDisplaySizeRatio(Float.POSITIVE_INFINITY)
+        assertThat(underTest.getResolutionScale()).isEqualTo(1f)
+    }
+
+    @Test
+    fun getResolutionScale_differentDisplayRatios() {
+        setPhysicalPixelDisplaySizeRatio(.5f)
+        assertThat(underTest.getResolutionScale()).isEqualTo(displaySizeRatio)
+
+        setPhysicalPixelDisplaySizeRatio(.283f)
+        assertThat(underTest.getResolutionScale()).isEqualTo(displaySizeRatio)
+
+        setPhysicalPixelDisplaySizeRatio(3.58f)
+        assertThat(underTest.getResolutionScale()).isEqualTo(displaySizeRatio)
+
+        setPhysicalPixelDisplaySizeRatio(0f)
+        assertThat(underTest.getResolutionScale()).isEqualTo(displaySizeRatio)
+
+        setPhysicalPixelDisplaySizeRatio(1f)
+        assertThat(underTest.getResolutionScale()).isEqualTo(displaySizeRatio)
+    }
+
+    private fun givenNullMaxResolutionDisplayMode() {
+        whenever(displayUtils.getMaximumResolutionDisplayMode(any())).thenReturn(null)
+    }
+
+    private fun setPhysicalPixelDisplaySizeRatio(ratio: Float) {
+        displaySizeRatio = ratio
+        whenever(displayUtils.getMaximumResolutionDisplayMode(any()))
+            .thenReturn(Display.Mode(0, 0, 0, 90f))
+        whenever(
+                displayUtils.getPhysicalPixelDisplaySizeRatio(
+                    anyInt(),
+                    anyInt(),
+                    anyInt(),
+                    anyInt()
+                )
+            )
+            .thenReturn(ratio)
+    }
+}
--- a/packages/SystemUI/tests/src/com/android/systemui/common/ui/data/repository/FakeConfigurationRepository.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/common/ui/data/repository/FakeConfigurationRepository.kt
@@ -0,0 +1,44 @@
+/*
+ * 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.common.ui.data.repository
+
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.receiveAsFlow
+
+class FakeConfigurationRepository : ConfigurationRepository {
+    private val onAnyConfigurationChangeChannel = Channel<Unit>()
+    override val onAnyConfigurationChange: Flow<Unit> =
+        onAnyConfigurationChangeChannel.receiveAsFlow()
+
+    private val _scaleForResolution = MutableStateFlow(1f)
+    override val scaleForResolution: Flow<Float> = _scaleForResolution.asStateFlow()
+
+    suspend fun onAnyConfigurationChange() {
+        onAnyConfigurationChangeChannel.send(Unit)
+    }
+
+    fun setScaleForResolution(scale: Float) {
+        _scaleForResolution.value = scale
+    }
+
+    override fun getResolutionScale(): Float {
+        return _scaleForResolution.value
+    }
+}
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/domain/interactor/BurnInInteractorTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/domain/interactor/BurnInInteractorTest.kt
@@ -0,0 +1,137 @@
+/*
+ * 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.keyguard.domain.interactor
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.android.systemui.SysuiTestCase
+import com.android.systemui.common.ui.data.repository.FakeConfigurationRepository
+import com.android.systemui.coroutines.collectLastValue
+import com.android.systemui.doze.util.BurnInHelperWrapper
+import com.android.systemui.util.mockito.whenever
+import com.android.systemui.util.time.FakeSystemClock
+import com.google.common.truth.Truth.assertThat
+import junit.framework.Assert.assertEquals
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.runTest
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.ArgumentMatchers.anyBoolean
+import org.mockito.ArgumentMatchers.anyInt
+import org.mockito.Mock
+import org.mockito.MockitoAnnotations
+
+@ExperimentalCoroutinesApi
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class BurnInInteractorTest : SysuiTestCase() {
+    private val burnInOffset = 7
+    private var burnInProgress = 0f
+
+    @Mock private lateinit var burnInHelperWrapper: BurnInHelperWrapper
+
+    private lateinit var configurationRepository: FakeConfigurationRepository
+    private lateinit var systemClock: FakeSystemClock
+    private lateinit var testScope: TestScope
+    private lateinit var underTest: BurnInInteractor
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        configurationRepository = FakeConfigurationRepository()
+        systemClock = FakeSystemClock()
+
+        whenever(burnInHelperWrapper.burnInOffset(anyInt(), anyBoolean())).thenReturn(burnInOffset)
+        setBurnInProgress(.65f)
+
+        testScope = TestScope()
+        underTest =
+            BurnInInteractor(
+                context,
+                burnInHelperWrapper,
+                testScope.backgroundScope,
+                configurationRepository,
+                systemClock,
+            )
+    }
+
+    @Test
+    fun dozeTimeTick_updatesOnDozeTimeTick() =
+        testScope.runTest {
+            // Initial state set to 0
+            val lastDozeTimeTick by collectLastValue(underTest.dozeTimeTick)
+            assertEquals(0L, lastDozeTimeTick)
+
+            // WHEN dozeTimeTick updated
+            incrementUptimeMillis()
+            underTest.dozeTimeTick()
+
+            // THEN listeners were updated to the latest uptime millis
+            assertThat(systemClock.uptimeMillis()).isEqualTo(lastDozeTimeTick)
+        }
+
+    @Test
+    fun udfpsBurnInOffset_updatesOnResolutionScaleChange() =
+        testScope.runTest {
+            val udfpsBurnInOffsetX by collectLastValue(underTest.udfpsBurnInXOffset)
+            val udfpsBurnInOffsetY by collectLastValue(underTest.udfpsBurnInYOffset)
+            assertThat(udfpsBurnInOffsetX).isEqualTo(burnInOffset)
+            assertThat(udfpsBurnInOffsetY).isEqualTo(burnInOffset)
+
+            configurationRepository.setScaleForResolution(3f)
+            assertThat(udfpsBurnInOffsetX).isEqualTo(burnInOffset * 3)
+            assertThat(udfpsBurnInOffsetY).isEqualTo(burnInOffset * 3)
+
+            configurationRepository.setScaleForResolution(.5f)
+            assertThat(udfpsBurnInOffsetX).isEqualTo(burnInOffset / 2)
+            assertThat(udfpsBurnInOffsetY).isEqualTo(burnInOffset / 2)
+        }
+
+    @Test
+    fun udfpsBurnInProgress_updatesOnDozeTimeTick() =
+        testScope.runTest {
+            val udfpsBurnInProgress by collectLastValue(underTest.udfpsBurnInProgress)
+            assertThat(udfpsBurnInProgress).isEqualTo(burnInProgress)
+
+            setBurnInProgress(.88f)
+            incrementUptimeMillis()
+            underTest.dozeTimeTick()
+            assertThat(udfpsBurnInProgress).isEqualTo(burnInProgress)
+
+            setBurnInProgress(.92f)
+            incrementUptimeMillis()
+            underTest.dozeTimeTick()
+            assertThat(udfpsBurnInProgress).isEqualTo(burnInProgress)
+
+            setBurnInProgress(.32f)
+            incrementUptimeMillis()
+            underTest.dozeTimeTick()
+            assertThat(udfpsBurnInProgress).isEqualTo(burnInProgress)
+        }
+
+    private fun incrementUptimeMillis() {
+        systemClock.setUptimeMillis(systemClock.uptimeMillis() + 5)
+    }
+
+    private fun setBurnInProgress(progress: Float) {
+        burnInProgress = progress
+        whenever(burnInHelperWrapper.burnInProgressOffset()).thenReturn(burnInProgress)
+    }
+}
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeServiceHostTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeServiceHostTest.java
@@ -41,6 +41,7 @@ import com.android.systemui.biometrics.AuthController;
 import com.android.systemui.doze.DozeHost;
 import com.android.systemui.doze.DozeLog;
 import com.android.systemui.keyguard.WakefulnessLifecycle;
+import com.android.systemui.keyguard.domain.interactor.BurnInInteractor;
 import com.android.systemui.shade.NotificationShadeWindowViewController;
 import com.android.systemui.shade.ShadeViewController;
 import com.android.systemui.statusbar.NotificationShadeWindowController;
@@ -92,6 +93,7 @@ public class DozeServiceHostTest extends SysuiTestCase {
    @Mock private BiometricUnlockController mBiometricUnlockController;
    @Mock private AuthController mAuthController;
    @Mock private DozeHost.Callback mCallback;
+    @Mock private BurnInInteractor mBurnInInteractor;

    @Before
    public void setup() {
@@ -102,7 +104,8 @@ public class DozeServiceHostTest extends SysuiTestCase {
                () -> mAssistManager, mDozeScrimController,
                mKeyguardUpdateMonitor, mPulseExpansionHandler,
                mNotificationShadeWindowController, mNotificationWakeUpCoordinator,
-                mAuthController, mNotificationIconAreaController);
+                mAuthController, mNotificationIconAreaController,
+                mBurnInInteractor);

        mDozeServiceHost.initialize(
                mCentralSurfaces,
@@ -213,4 +216,12 @@ public class DozeServiceHostTest extends SysuiTestCase {
        assertFalse(mDozeServiceHost.isPulsePending());
        verify(mDozeScrimController).pulseOutNow();
    }
+    @Test
+    public void dozeTimeTickSentTBurnInInteractor() {
+        // WHEN dozeTimeTick
+        mDozeServiceHost.dozeTimeTick();
+
+        // THEN burnInInteractor's dozeTimeTick is updated
+        verify(mBurnInInteractor).dozeTimeTick();
+    }
 }