Merge changes from topic "a11y_rbc"

* changes:
  Add activity for directly navigating to Reduce Bright Colors setting page
  Add a setting page for Reduce Bright Colors under A11y

AndroidManifest.xml

@@ -1596,6 +1596,24 @@
                 android:value="true" />
         </activity>
 
+        <activity
+            android:name="Settings$ReduceBrightColorsSettingsActivity"
+            android:exported="true"
+            android:label="@string/reduce_bright_colors_preference_title">
+            <intent-filter android:priority="1">
+                <action android:name="android.settings.REDUCE_BRIGHT_COLORS_SETTINGS" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+                       android:value="com.android.settings.accessibility.ToggleReduceBrightColorsPreferenceFragment" />
+            <meta-data android:name="com.android.settings.PRIMARY_PROFILE_CONTROLLED"
+                       android:value="true" />
+        </activity>
+
         <activity
             android:name="Settings$CaptioningSettingsActivity"
             android:exported="true"

res/values/strings.xml

@@ -5239,6 +5239,18 @@
     <!-- Summary shown for tritanomaly (blue-yellow color blindness) [CHAR LIMIT=45] -->
     <string name="daltonizer_mode_tritanomaly_summary">Blue-yellow</string>
 
+    <!-- TODO(b/170970602): remove translatable=false when RBC has official name and strings -->
+    <!-- Title for the accessibility preference to configure Reduce Bright Colors feature. [CHAR LIMIT=NONE] -->
+    <string name="reduce_bright_colors_preference_title" translatable="false">Reduce Bright Colors</string>
+    <!-- Used in the accessibility service settings to control switching Reduce Bright Colors on/off. [CHAR LIMIT=NONE] -->
+    <string name="reduce_bright_colors_switch_title" translatable="false">Use Reduce Bright Colors</string>
+    <!-- Subtitle that describes Reduce Bright Colors. [CHAR LIMIT=NONE] -->
+    <string name="reduce_bright_colors_preference_subtitle" translatable="false">Reduce Bright Colors reduces screen brightness.</string>
+    <!-- Title for setting the brightness intensity of the display using Reduce Bright Colors. [CHAR LIMIT=NONE] -->
+    <string name="reduce_bright_colors_intensity_preference_title" translatable="false">Intensity</string>
+    <!-- Title for setting whether the Reduce Bright Colors activation state persists across reboots. [CHAR LIMIT=NONE] -->
+    <string name="reduce_bright_colors_persist_preference_title" translatable="false">Keeps feature on after a restart</string>
+
     <!-- Subtitle for the accessibility preference to configure feature that performs click action soon after mouse/trackpad pointer stops moving, in case delay before click is extremely short. Placeholder will be set to the number of milliseconds to which the delay amounts. [CHAR LIMIT=NONE] -->
     <plurals name="accessibilty_autoclick_preference_subtitle_short_delay">
         <item quantity="one">Short (<xliff:g id="click_delay_label" example="200">%1$s</xliff:g> second)</item>

res/xml/accessibility_settings.xml

@@ -231,6 +231,14 @@
             android:summary="@string/accessibility_shortcut_description"
             settings:controller="com.android.settings.accessibility.AccessibilityShortcutPreferenceController"/>
 
+        <!--TODO(b/170973645): Get icon-->
+        <Preference
+            android:fragment="com.android.settings.accessibility.ToggleReduceBrightColorsPreferenceFragment"
+            android:key="reduce_bright_colors_preference"
+            android:persistent="false"
+            android:title="@string/reduce_bright_colors_preference_title"
+            settings:controller="com.android.settings.accessibility.ReduceBrightColorsPreferenceController"/>
+
     </PreferenceCategory>
 
 </PreferenceScreen>

res/xml/reduce_bright_colors_settings.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  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.
+  -->
+
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:persistent="false"
+    android:title="@string/reduce_bright_colors_preference_title">
+
+    <com.android.settings.widget.SeekBarPreference
+        android:key="rbc_intensity"
+        android:persistent="false"
+        android:title="@string/reduce_bright_colors_intensity_preference_title"/>
+
+    <SwitchPreference
+        android:key="rbc_persist"
+        android:persistent="false"
+        android:title="@string/reduce_bright_colors_persist_preference_title" />
+</PreferenceScreen>

src/com/android/settings/Settings.java

@@ -111,6 +111,10 @@ public class Settings extends SettingsActivity {
     public static class AccessibilityInversionSettingsActivity extends SettingsActivity { /* empty */ }
     public static class AccessibilityContrastSettingsActivity extends SettingsActivity { /* empty */ }
     public static class AccessibilityDaltonizerSettingsActivity extends SettingsActivity { /* empty */ }
+    /**
+     * Activity for Reduce Bright Colors.
+     */
+    public static class ReduceBrightColorsSettingsActivity extends SettingsActivity { /* empty */ }
     public static class SecurityDashboardActivity extends SettingsActivity { /* empty */ }
     public static class UsageAccessSettingsActivity extends SettingsActivity { /* empty */ }
     public static class AppUsageAccessSettingsActivity extends SettingsActivity { /* empty */ }

src/com/android/settings/accessibility/AccessibilitySettings.java

@@ -97,6 +97,8 @@ public class AccessibilitySettings extends DashboardFragment {
             "magnification_preference_screen";
     private static final String DISPLAY_DALTONIZER_PREFERENCE_SCREEN =
             "daltonizer_preference";
+    private static final String DISPLAY_REDUCE_BRIGHT_COLORS_PREFERENCE_SCREEN =
+            "reduce_bright_colors_preference";
 
     // Extras passed to sub-fragments.
     static final String EXTRA_PREFERENCE_KEY = "preference_key";
@@ -170,6 +172,8 @@ public class AccessibilitySettings extends DashboardFragment {
     private Preference mDisplayMagnificationPreferenceScreen;
     private Preference mDisplayDaltonizerPreferenceScreen;
     private Preference mToggleInversionPreference;
+    private Preference mReduceBrightColorsPreference;
+
 
     /**
      * Check if the color transforms are color accelerated. Some transforms are experimental only
@@ -335,6 +339,10 @@ public class AccessibilitySettings extends DashboardFragment {
 
         // Display color adjustments.
         mDisplayDaltonizerPreferenceScreen = findPreference(DISPLAY_DALTONIZER_PREFERENCE_SCREEN);
+
+        // Reduce brightness.
+        mReduceBrightColorsPreference =
+                findPreference(DISPLAY_REDUCE_BRIGHT_COLORS_PREFERENCE_SCREEN);
     }
 
     private void updateAllPreferences() {
@@ -488,6 +496,7 @@ public class AccessibilitySettings extends DashboardFragment {
                     mCategoryToPrefCategoryMap.get(CATEGORY_DISPLAY);
             experimentalCategory.removePreference(mToggleInversionPreference);
             experimentalCategory.removePreference(mDisplayDaltonizerPreferenceScreen);
+            experimentalCategory.removePreference(mReduceBrightColorsPreference);
             mDisplayMagnificationPreferenceScreen.setSummary(
                     ToggleScreenMagnificationPreferenceFragment.getServiceSummary(getContext()));
             mDisplayDaltonizerPreferenceScreen.setOrder(
@@ -502,8 +511,13 @@ public class AccessibilitySettings extends DashboardFragment {
                     mToggleLargePointerIconPreference.getOrder() + 1);
             mToggleInversionPreference.setSummary(AccessibilityUtil.getSummary(
                     getContext(), Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED));
+            mReduceBrightColorsPreference.setOrder(
+                    mToggleDisableAnimationsPreference.getOrder() + 1);
+            mReduceBrightColorsPreference.setSummary(AccessibilityUtil.getSummary(
+                    getContext(), Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED));
             displayCategory.addPreference(mToggleInversionPreference);
             displayCategory.addPreference(mDisplayDaltonizerPreferenceScreen);
+            displayCategory.addPreference(mReduceBrightColorsPreference);
         }
     }
 

src/com/android/settings/accessibility/ReduceBrightColorsIntensityPreferenceController.java

@@ -0,0 +1,82 @@
+/*
+ * 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.settings.accessibility;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.core.SliderPreferenceController;
+import com.android.settings.widget.SeekBarPreference;
+
+/** PreferenceController for feature intensity. */
+public class ReduceBrightColorsIntensityPreferenceController extends SliderPreferenceController {
+
+    public ReduceBrightColorsIntensityPreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        // TODO(b/170970675): Call into ColorDisplayService (CDS) to get availability/config status
+        return AVAILABLE;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        final SeekBarPreference preference = screen.findPreference(getPreferenceKey());
+        preference.setContinuousUpdates(true);
+        preference.setMax(getMax());
+        preference.setMin(getMin());
+        updateState(preference);
+    }
+
+
+    @Override
+    public final void updateState(Preference preference) {
+        super.updateState(preference);
+        preference.setEnabled(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED, 0) == 1);
+    }
+
+    @Override
+    public int getSliderPosition() {
+        // TODO(b/170970675): Call into CDS to get intensity
+        return 0;
+    }
+
+    @Override
+    public boolean setSliderPosition(int position) {
+        // TODO(b/170970675): Call into CDS to set intensity
+        return true;
+    }
+
+    @Override
+    public int getMax() {
+        // TODO(b/170970675): Call into CDS to get config max intensity
+        return 100;
+    }
+
+    @Override
+    public int getMin() {
+        // TODO(b/170970675): Call into CDS to get config min intensity
+        return 0;
+    }
+}

src/com/android/settings/accessibility/ReduceBrightColorsPersistencePreferenceController.java

@@ -0,0 +1,49 @@
+/*
+ * 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.settings.accessibility;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import com.android.settings.core.TogglePreferenceController;
+
+/** PreferenceController for persisting feature activation state after a restart. */
+public class ReduceBrightColorsPersistencePreferenceController extends TogglePreferenceController {
+
+    public ReduceBrightColorsPersistencePreferenceController(
+            Context context, String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        // TODO(b/170970675): call into CDS to get availability/config status
+        return AVAILABLE;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.REDUCE_BRIGHT_COLORS_PERSIST_ACROSS_REBOOTS, 0) == 1;
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        return Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.REDUCE_BRIGHT_COLORS_PERSIST_ACROSS_REBOOTS, (isChecked ? 1 : 0));
+    }
+}

src/com/android/settings/accessibility/ReduceBrightColorsPreferenceController.java

@@ -0,0 +1,43 @@
+/*
+ * 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.settings.accessibility;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import com.android.settings.core.BasePreferenceController;
+
+/** PreferenceController that shows the Reduce Bright Colors summary */
+public class ReduceBrightColorsPreferenceController extends BasePreferenceController {
+
+    public ReduceBrightColorsPreferenceController(Context context,
+            String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        return AccessibilityUtil.getSummary(mContext,
+                Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        // TODO(b/170970675): call into CDS to get availability/config status
+        return AVAILABLE;
+    }
+}

src/com/android/settings/accessibility/ToggleReduceBrightColorsPreferenceFragment.java

@@ -0,0 +1,200 @@
+/*
+ * 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.settings.accessibility;
+
+import static com.android.settings.accessibility.AccessibilityUtil.State.OFF;
+import static com.android.settings.accessibility.AccessibilityUtil.State.ON;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Handler;
+import android.provider.Settings;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+
+import com.android.internal.accessibility.AccessibilityShortcutController;
+import com.android.settings.R;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.search.SearchIndexable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/** Settings for reducing brightness. */
+@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
+public class ToggleReduceBrightColorsPreferenceFragment extends ToggleFeaturePreferenceFragment {
+    private static final String REDUCE_BRIGHT_COLORS_ACTIVATED_KEY =
+            Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED;
+    private static final String KEY_INTENSITY = "rbc_intensity";
+    private static final String KEY_PERSIST = "rbc_persist";
+
+    private final Handler mHandler = new Handler();
+    private SettingsContentObserver mSettingsContentObserver;
+    private ReduceBrightColorsIntensityPreferenceController mRbcIntensityPreferenceController;
+    private ReduceBrightColorsPersistencePreferenceController mRbcPersistencePreferenceController;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+
+        // TODO(b/170973645): Add banner
+        mComponentName = AccessibilityShortcutController.REDUCE_BRIGHT_COLORS_COMPONENT_NAME;
+        mPackageName = getText(R.string.reduce_bright_colors_preference_title);
+        mHtmlDescription = getText(R.string.reduce_bright_colors_preference_subtitle);
+        final List<String> enableServiceFeatureKeys = new ArrayList<>(/* initialCapacity= */ 1);
+        enableServiceFeatureKeys.add(REDUCE_BRIGHT_COLORS_ACTIVATED_KEY);
+        mRbcIntensityPreferenceController =
+                new ReduceBrightColorsIntensityPreferenceController(getContext(), KEY_INTENSITY);
+        mRbcPersistencePreferenceController =
+                new ReduceBrightColorsPersistencePreferenceController(getContext(), KEY_PERSIST);
+        mRbcIntensityPreferenceController.displayPreference(getPreferenceScreen());
+        mRbcPersistencePreferenceController.displayPreference(getPreferenceScreen());
+        mSettingsContentObserver = new SettingsContentObserver(mHandler, enableServiceFeatureKeys) {
+            @Override
+            public void onChange(boolean selfChange, Uri uri) {
+                    updateSwitchBarToggleSwitch();
+            }
+        };
+
+        return super.onCreateView(inflater, container, savedInstanceState);
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        updatePreferenceOrder();
+    }
+
+    /** Customizes the order by preference key. */
+    private List<String> getPreferenceOrderList() {
+        final List<String> lists = new ArrayList<>();
+        lists.add(KEY_USE_SERVICE_PREFERENCE);
+        lists.add(KEY_INTENSITY);
+        lists.add(KEY_PERSIST);
+        lists.add(KEY_GENERAL_CATEGORY);
+        lists.add(KEY_INTRODUCTION_CATEGORY);
+        return lists;
+    }
+
+    private void updatePreferenceOrder() {
+        final List<String> lists = getPreferenceOrderList();
+        final PreferenceScreen preferenceScreen = getPreferenceScreen();
+        preferenceScreen.setOrderingAsAdded(false);
+
+        final int size = lists.size();
+        for (int i = 0; i < size; i++) {
+            final Preference preference = preferenceScreen.findPreference(lists.get(i));
+            if (preference != null) {
+                preference.setOrder(i);
+            }
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        updateSwitchBarToggleSwitch();
+        mSettingsContentObserver.register(getContentResolver());
+    }
+
+    @Override
+    public void onPause() {
+        mSettingsContentObserver.unregister(getContentResolver());
+        super.onPause();
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.REDUCE_BRIGHT_COLORS_SETTINGS;
+    }
+
+    @Override
+    public int getHelpResource() {
+        // TODO(170973645): Link to help support page
+        return 0;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.reduce_bright_colors_settings;
+    }
+
+
+    @Override
+    protected void onPreferenceToggled(String preferenceKey, boolean enabled) {
+        AccessibilityStatsLogUtils.logAccessibilityServiceEnabled(mComponentName, enabled);
+        Settings.Secure.putInt(getContentResolver(),
+                REDUCE_BRIGHT_COLORS_ACTIVATED_KEY, enabled ? ON : OFF);
+    }
+
+    @Override
+    protected void onRemoveSwitchPreferenceToggleSwitch() {
+        super.onRemoveSwitchPreferenceToggleSwitch();
+        mToggleServiceDividerSwitchPreference.setOnPreferenceClickListener(
+                /* onPreferenceClickListener= */ null);
+    }
+
+    @Override
+    protected void updateToggleServiceTitle(SwitchPreference switchPreference) {
+        switchPreference.setTitle(R.string.reduce_bright_colors_switch_title);
+    }
+
+    @Override
+    protected void onInstallSwitchPreferenceToggleSwitch() {
+        super.onInstallSwitchPreferenceToggleSwitch();
+        updateSwitchBarToggleSwitch();
+        mToggleServiceDividerSwitchPreference.setOnPreferenceClickListener((preference) -> {
+            boolean checked = ((SwitchPreference) preference).isChecked();
+            onPreferenceToggled(mPreferenceKey, checked);
+            return false;
+        });
+    }
+
+    @Override
+    int getUserShortcutTypes() {
+        return AccessibilityUtil.getUserShortcutTypesFromSettings(getPrefContext(),
+                mComponentName);
+    }
+
+    private void updateSwitchBarToggleSwitch() {
+        final boolean checked = Settings.Secure.getInt(getContentResolver(),
+                REDUCE_BRIGHT_COLORS_ACTIVATED_KEY, OFF) == ON;
+        mRbcIntensityPreferenceController.updateState(getPreferenceScreen()
+                .findPreference(KEY_INTENSITY));
+        mRbcPersistencePreferenceController.updateState(getPreferenceScreen()
+                .findPreference(KEY_PERSIST));
+        if (mToggleServiceDividerSwitchPreference.isChecked() != checked) {
+            mToggleServiceDividerSwitchPreference.setChecked(checked);
+        }
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.reduce_bright_colors_settings) {
+                @Override
+                protected boolean isPageSearchEnabled(Context context) {
+                    // TODO(b/170970675): call into CDS to get availability/config status
+                    return true;
+                }
+            };
+}

src/com/android/settings/core/gateway/SettingsGateway.java

@@ -29,6 +29,7 @@ import com.android.settings.accessibility.AccessibilitySettings;
 import com.android.settings.accessibility.AccessibilitySettingsForSetupWizard;
 import com.android.settings.accessibility.CaptionPropertiesFragment;
 import com.android.settings.accessibility.ToggleDaltonizerPreferenceFragment;
+import com.android.settings.accessibility.ToggleReduceBrightColorsPreferenceFragment;
 import com.android.settings.accounts.AccountDashboardFragment;
 import com.android.settings.accounts.AccountSyncSettings;
 import com.android.settings.accounts.ChooseAccountFragment;
@@ -205,6 +206,7 @@ public class SettingsGateway {
             AccessibilitySettingsForSetupWizard.class.getName(),
             CaptionPropertiesFragment.class.getName(),
             ToggleDaltonizerPreferenceFragment.class.getName(),
+            ToggleReduceBrightColorsPreferenceFragment.class.getName(),
             TextToSpeechSettings.class.getName(),
             StorageSettings.class.getName(),
             PrivateVolumeForget.class.getName(),

tests/robotests/assets/exempt_slice_controller_not_in_xml

@@ -8,4 +8,6 @@ com.android.settings.testutils.FakeToggleController
 com.android.settings.testutils.FakeSliderController
 com.android.settings.testutils.FakeInvalidSliderController
 com.android.settings.wifi.details2.WifiAutoConnectPreferenceController2
+com.android.settings.accessibility.ReduceBrightColorsIntensityPreferenceController
+com.android.settings.accessibility.ReduceBrightColorsPersistencePreferenceController
 

tests/robotests/src/com/android/settings/accessibility/ReduceBrightColorsIntensityPreferenceControllerTest.java

@@ -0,0 +1,49 @@
+/*
+ * 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.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+/** TODO(b/170970675): Update and add tests after ColorDisplayService work is integrated */
+public class ReduceBrightColorsIntensityPreferenceControllerTest {
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private final ReduceBrightColorsIntensityPreferenceController mPreferenceController =
+            new ReduceBrightColorsIntensityPreferenceController(mContext,
+            "rbc_intensity");
+
+    @Test
+    public void isAvailable_configuredRbcAvailable_enabledRbc_shouldReturnTrue() {
+        assertThat(mPreferenceController.isAvailable()).isTrue();
+    }
+    @Test
+    public void isAvailable_configuredRbcAvailable_disabledRbc_shouldReturnFalse() {
+        assertThat(mPreferenceController.isAvailable()).isTrue();
+    }
+    @Test
+    public void isAvailable_configuredRbcUnavailable_enabledRbc_shouldReturnFalse() {
+        assertThat(mPreferenceController.isAvailable()).isTrue();
+    }
+}

tests/robotests/src/com/android/settings/accessibility/ReduceBrightColorsPersistencePreferenceControllerTest.java

@@ -0,0 +1,82 @@
+/*
+ * 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.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class ReduceBrightColorsPersistencePreferenceControllerTest {
+    private static final String PREF_KEY = "rbc_persist";
+    private static final String RBC_PERSIST =
+            Settings.Secure.REDUCE_BRIGHT_COLORS_PERSIST_ACROSS_REBOOTS;
+    private static final int ON = 1;
+    private static final int OFF = 0;
+    private static final int UNKNOWN = -1;
+
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private final SwitchPreference mPreference = new SwitchPreference(mContext);
+    private final ReduceBrightColorsPersistencePreferenceController mController =
+            new ReduceBrightColorsPersistencePreferenceController(mContext, PREF_KEY);
+
+    @Test
+    public void isChecked_enabledRbc_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(), RBC_PERSIST, ON);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledRbc_shouldReturnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(), RBC_PERSIST, OFF);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_setTrue_shouldEnableRbc() {
+        mController.setChecked(true);
+
+        assertThat(
+                Settings.Secure.getInt(mContext.getContentResolver(), RBC_PERSIST, UNKNOWN))
+                .isEqualTo(ON);
+    }
+
+    @Test
+    public void setChecked_setFalse_shouldDisableRbc() {
+        mController.setChecked(false);
+
+        assertThat(
+                Settings.Secure.getInt(mContext.getContentResolver(), RBC_PERSIST, UNKNOWN))
+                .isEqualTo(OFF);
+    }
+}

tests/robotests/src/com/android/settings/accessibility/ReduceBrightColorsPreferenceControllerTest.java

@@ -0,0 +1,60 @@
+/*
+ * 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.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.R;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class ReduceBrightColorsPreferenceControllerTest {
+    private static final String PREF_KEY = "rbc_preference";
+    private static final String RBC_ACTIVATED =
+            Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED;
+    private static final int ON = 1;
+    private static final int OFF = 0;
+
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private final ReduceBrightColorsPreferenceController mController =
+            new ReduceBrightColorsPreferenceController(mContext, PREF_KEY);
+
+    @Test
+    public void getSummary_enabledRbc_shouldReturnOnSummary() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                RBC_ACTIVATED, ON);
+
+        assertThat(mController.getSummary().toString().contains(
+                mContext.getText(R.string.accessibility_feature_state_on))).isTrue();
+    }
+    @Test
+    public void getSummary_disabledRbc_shouldReturnOffSummary() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                RBC_ACTIVATED, OFF);
+
+        assertThat(mController.getSummary().toString().contains(
+                mContext.getText(R.string.accessibility_feature_state_off))).isTrue();
+    }
+}