Add warning message when power save mode is enabled for attention settings fragment

Test: locally with flame, make RunSettingsRoboTests -j96 ROBOTEST_FILTER=AdaptiveSleepPreferenceControllerTest,AdaptiveSleepBatterySaverPreferenceControllerTest

Bug: 186690152
Change-Id: I42e018a8cf48166a8250fac9510a8882efb58568

src/com/android/settings/display/AdaptiveSleepBatterySaverPreferenceController.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2021 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.settings.display;
+
+import android.content.Context;
+import android.os.PowerManager;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settingslib.widget.BannerMessagePreference;
+
+/**
+ * The controller of Screen attention's battery saver warning preference.
+ * The preference appears when Screen Attention feature is disabled by battery saver mode.
+ */
+public class AdaptiveSleepBatterySaverPreferenceController {
+
+    @VisibleForTesting
+    final BannerMessagePreference mPreference;
+    private final PowerManager mPowerManager;
+
+    public AdaptiveSleepBatterySaverPreferenceController(Context context) {
+        mPreference = new BannerMessagePreference(context);
+        mPreference.setTitle(R.string.ambient_camera_summary_battery_saver_on);
+        mPreference.setPositiveButtonText(R.string.disable_text);
+        mPowerManager = context.getSystemService(PowerManager.class);
+        mPreference.setPositiveButtonOnClickListener(p -> {
+            mPowerManager.setPowerSaveModeEnabled(false);
+        });
+    }
+
+    /**
+     * Adds the controlled preference to the provided preference screen.
+     */
+    public void addToScreen(PreferenceScreen screen) {
+        screen.addPreference(mPreference);
+        updateVisibility();
+    }
+
+    /**
+     * Need this because all controller tests use RoboElectric. No easy way to mock this service,
+     * so we mock the call we need
+     */
+    @VisibleForTesting
+    boolean isPowerSaveMode() {
+        return mPowerManager.isPowerSaveMode();
+    }
+
+    /**
+     * Refreshes the visibility of the preference.
+     */
+    public void updateVisibility() {
+        mPreference.setVisible(isPowerSaveMode());
+    }
+}

src/com/android/settings/display/AdaptiveSleepPreferenceController.java

@@ -28,6 +28,7 @@ import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.hardware.SensorPrivacyManager;
+import android.os.PowerManager;
 import android.os.UserManager;
 import android.provider.Settings;
 import android.service.attention.AttentionService;
@@ -53,6 +54,7 @@ public class AdaptiveSleepPreferenceController {
     private final PackageManager mPackageManager;
     private final Context mContext;
     private final MetricsFeatureProvider mMetricsFeatureProvider;
+    private final PowerManager mPowerManager;
 
     @VisibleForTesting
     RestrictedSwitchPreference mPreference;
@@ -62,6 +64,20 @@ public class AdaptiveSleepPreferenceController {
         mRestrictionUtils = restrictionUtils;
         mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
         mPrivacyManager = SensorPrivacyManager.getInstance(context);
+        mPowerManager = context.getSystemService(PowerManager.class);
+        mPreference = new RestrictedSwitchPreference(context);
+        mPreference.setTitle(R.string.adaptive_sleep_title);
+        mPreference.setSummary(R.string.adaptive_sleep_description);
+        mPreference.setChecked(isChecked());
+        mPreference.setKey(PREFERENCE_KEY);
+        mPreference.setOnPreferenceClickListener(preference -> {
+            final boolean isChecked = ((RestrictedSwitchPreference) preference).isChecked();
+            mMetricsFeatureProvider.action(context, SettingsEnums.ACTION_SCREEN_ATTENTION_CHANGED,
+                    isChecked);
+            Settings.Secure.putInt(context.getContentResolver(),
+                    Settings.Secure.ADAPTIVE_SLEEP, isChecked ? 1 : DEFAULT_VALUE);
+            return true;
+        });
         mPackageManager = context.getPackageManager();
     }
 
@@ -87,7 +103,8 @@ public class AdaptiveSleepPreferenceController {
         if (enforcedAdmin != null) {
             mPreference.setDisabledByAdmin(enforcedAdmin);
         } else {
-            mPreference.setEnabled(hasSufficientPermission(mPackageManager) && !isCameraLocked());
+            mPreference.setEnabled(hasSufficientPermission(mPackageManager) && !isCameraLocked()
+                    && !isPowerSaveMode());
         }
     }
 
@@ -114,7 +131,7 @@ public class AdaptiveSleepPreferenceController {
     @VisibleForTesting
     boolean isChecked() {
         return hasSufficientPermission(mContext.getPackageManager()) && !isCameraLocked()
-                && Settings.Secure.getInt(mContext.getContentResolver(),
+                && !isPowerSaveMode() && Settings.Secure.getInt(mContext.getContentResolver(),
                 Settings.Secure.ADAPTIVE_SLEEP, DEFAULT_VALUE)
                 != DEFAULT_VALUE;
     }
@@ -128,6 +145,11 @@ public class AdaptiveSleepPreferenceController {
         return mPrivacyManager.isSensorPrivacyEnabled(CAMERA);
     }
 
+    @VisibleForTesting
+    boolean isPowerSaveMode() {
+        return mPowerManager.isPowerSaveMode();
+    }
+
     public static int isControllerAvailable(Context context) {
         return context.getResources().getBoolean(
                 com.android.internal.R.bool.config_adaptive_sleep_available)

src/com/android/settings/display/ScreenTimeoutSettings.java

@@ -21,10 +21,14 @@ import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT;
 
 import android.app.admin.DevicePolicyManager;
 import android.app.settings.SettingsEnums;
+import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
 import android.hardware.SensorPrivacyManager;
+import android.os.PowerManager;
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.text.SpannableString;
@@ -73,6 +77,12 @@ public class ScreenTimeoutSettings extends RadioButtonPickerFragment implements
     private FooterPreference mPrivacyPreference;
     private final MetricsFeatureProvider mMetricsFeatureProvider;
     private SensorPrivacyManager mPrivacyManager;
+    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            mAdaptiveSleepBatterySaverPreferenceController.updateVisibility();
+        }
+    };
 
     @VisibleForTesting
     Context mContext;
@@ -92,6 +102,9 @@ public class ScreenTimeoutSettings extends RadioButtonPickerFragment implements
     @VisibleForTesting
     AdaptiveSleepPreferenceController mAdaptiveSleepController;
 
+    @VisibleForTesting
+    AdaptiveSleepBatterySaverPreferenceController mAdaptiveSleepBatterySaverPreferenceController;
+
     public ScreenTimeoutSettings() {
         super();
         mMetricsFeatureProvider = FeatureFactory.getFactory(getContext())
@@ -109,6 +122,13 @@ public class ScreenTimeoutSettings extends RadioButtonPickerFragment implements
                 context);
         mAdaptiveSleepCameraStatePreferenceController =
                 new AdaptiveSleepCameraStatePreferenceController(context);
+        mAdaptiveSleepBatterySaverPreferenceController =
+                new AdaptiveSleepBatterySaverPreferenceController(context);
+        mPrivacyPreference = new FooterPreference(context);
+        mPrivacyPreference.setIcon(R.drawable.ic_privacy_shield_24dp);
+        mPrivacyPreference.setTitle(R.string.adaptive_sleep_privacy);
+        mPrivacyPreference.setSelectable(false);
+        mPrivacyPreference.setLayoutResource(R.layout.preference_footer);
         mPrivacyManager = SensorPrivacyManager.getInstance(context);
         mPrivacyManager.addSensorPrivacyListener(CAMERA,
                 (sensor, enabled) -> mAdaptiveSleepController.updatePreference());
@@ -136,7 +156,16 @@ public class ScreenTimeoutSettings extends RadioButtonPickerFragment implements
         super.onStart();
         mAdaptiveSleepPermissionController.updateVisibility();
         mAdaptiveSleepCameraStatePreferenceController.updateVisibility();
+        mAdaptiveSleepBatterySaverPreferenceController.updateVisibility();
         mAdaptiveSleepController.updatePreference();
+        mContext.registerReceiver(mReceiver,
+                new IntentFilter(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED));
+    }
+
+    @Override
+    public void onStop() {
+        super.onStop();
+        mContext.unregisterReceiver(mReceiver);
     }
 
     @Override
@@ -176,6 +205,7 @@ public class ScreenTimeoutSettings extends RadioButtonPickerFragment implements
         if (isScreenAttentionAvailable(getContext())) {
             mAdaptiveSleepPermissionController.addToScreen(screen);
             mAdaptiveSleepCameraStatePreferenceController.addToScreen(screen);
+            mAdaptiveSleepBatterySaverPreferenceController.addToScreen(screen);
             mAdaptiveSleepController.addToScreen(screen);
             screen.addPreference(mPrivacyPreference);
         }

tests/robotests/src/com/android/settings/display/AdaptiveSleepBatterySaverPreferenceControllerTest.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2021 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.settings.display;
+
+import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+
+import androidx.preference.PreferenceScreen;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+
+@RunWith(RobolectricTestRunner.class)
+public class AdaptiveSleepBatterySaverPreferenceControllerTest {
+    private Context mContext;
+    private AdaptiveSleepBatterySaverPreferenceController mController;
+
+    @Mock
+    private PackageManager mPackageManager;
+    @Mock
+    private PreferenceScreen mScreen;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(getApplicationContext());
+
+        doReturn(mPackageManager).when(mContext).getPackageManager();
+        when(mPackageManager.getAttentionServicePackageName()).thenReturn("some.package");
+        when(mPackageManager.checkPermission(any(), any())).thenReturn(
+                PackageManager.PERMISSION_GRANTED);
+
+        mController = spy(new AdaptiveSleepBatterySaverPreferenceController(mContext));
+        when(mController.isPowerSaveMode()).thenReturn(false);
+    }
+
+    @Test
+    public void addToScreen_normalCase_hidePreference() {
+        mController.addToScreen(mScreen);
+
+        assertThat(mController.mPreference.isVisible()).isFalse();
+    }
+
+    @Test
+    public void addToScreen_powerSaveEnabled_showPreference() {
+        when(mController.isPowerSaveMode()).thenReturn(true);
+
+        mController.addToScreen(mScreen);
+
+        assertThat(mController.mPreference.isVisible()).isTrue();
+    }
+}

tests/robotests/src/com/android/settings/display/AdaptiveSleepPreferenceControllerTest.java

@@ -83,9 +83,10 @@ public class AdaptiveSleepPreferenceControllerTest {
         when(mRestrictionUtils.checkIfRestrictionEnforced(any(),
                 eq(UserManager.DISALLOW_CONFIG_SCREEN_TIMEOUT))).thenReturn(null);
 
-        mController = new AdaptiveSleepPreferenceController(mContext, mRestrictionUtils);
+        mController = spy(new AdaptiveSleepPreferenceController(mContext, mRestrictionUtils));
         mController.initializePreference();
         when(mController.isCameraLocked()).thenReturn(false);
+        when(mController.isPowerSaveMode()).thenReturn(false);
     }
 
     @Test
@@ -174,4 +175,14 @@ public class AdaptiveSleepPreferenceControllerTest {
 
         assertThat(mController.mPreference.isEnabled()).isFalse();
     }
+
+    @Test
+    public void addToScreen_powerSaveEnabled_disablePreference() {
+        when(mController.isPowerSaveMode()).thenReturn(true);
+
+        mController.addToScreen(mScreen);
+
+        assertThat(mController.mPreference.isEnabled()).isFalse();
+    }
+
 }