Merge "Night display setting should be toggleable"

res/xml/display_settings.xml

@@ -40,12 +40,12 @@
         settings:controller="com.android.settings.display.DarkUIPreferenceController"
         settings:keywords="@string/keywords_dark_ui_mode"/>
 
-    <com.android.settings.display.NightDisplayPreference
+    <com.android.settings.widget.PrimarySwitchPreference
         android:key="night_display"
         android:title="@string/night_display_title"
         android:fragment="com.android.settings.display.NightDisplaySettings"
-        android:widgetLayout="@null"
-        settings:widgetLayout="@null"/>
+        settings:controller="com.android.settings.display.NightDisplayPreferenceController"
+        settings:keywords="@string/keywords_display_night_display"/>
 
     <Preference
         android:key="auto_brightness_entry"

res/xml/display_settings_v2.xml

@@ -40,12 +40,12 @@
         settings:controller="com.android.settings.display.DarkUIPreferenceController"
         settings:keywords="@string/keywords_dark_ui_mode"/>
 
-    <com.android.settings.display.NightDisplayPreference
+    <com.android.settings.widget.PrimarySwitchPreference
         android:key="night_display"
         android:title="@string/night_display_title"
         android:fragment="com.android.settings.display.NightDisplaySettings"
-        android:widgetLayout="@null"
-        settings:widgetLayout="@null"/>
+        settings:controller="com.android.settings.display.NightDisplayPreferenceController"
+        settings:keywords="@string/keywords_display_night_display"/>
 
     <Preference
         android:key="auto_brightness_entry"

src/com/android/settings/DisplaySettings.java

@@ -27,8 +27,6 @@ import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.display.BrightnessLevelPreferenceController;
 import com.android.settings.display.CameraGesturePreferenceController;
 import com.android.settings.display.LiftToWakePreferenceController;
-import com.android.settings.display.NightDisplayPreferenceController;
-import com.android.settings.display.NightModePreferenceController;
 import com.android.settings.display.ScreenSaverPreferenceController;
 import com.android.settings.display.ShowOperatorNamePreferenceController;
 import com.android.settings.display.TapToWakePreferenceController;
@@ -85,8 +83,6 @@ public class DisplaySettings extends DashboardFragment {
         final List<AbstractPreferenceController> controllers = new ArrayList<>();
         controllers.add(new CameraGesturePreferenceController(context));
         controllers.add(new LiftToWakePreferenceController(context));
-        controllers.add(new NightDisplayPreferenceController(context));
-        controllers.add(new NightModePreferenceController(context));
         controllers.add(new ScreenSaverPreferenceController(context));
         controllers.add(new TapToWakePreferenceController(context));
         controllers.add(new VrDisplayPreferenceController(context));

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

@@ -1,83 +0,0 @@
-/*
- * Copyright (C) 2016 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.hardware.display.ColorDisplayManager;
-import android.hardware.display.NightDisplayListener;
-import android.util.AttributeSet;
-
-import androidx.preference.SwitchPreference;
-
-import java.time.LocalTime;
-
-public class NightDisplayPreference extends SwitchPreference
-        implements NightDisplayListener.Callback {
-
-    private ColorDisplayManager mColorDisplayManager;
-    private NightDisplayListener mNightDisplayListener;
-    private NightDisplayTimeFormatter mTimeFormatter;
-
-    public NightDisplayPreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-
-        mColorDisplayManager = context.getSystemService(ColorDisplayManager.class);
-        mNightDisplayListener = new NightDisplayListener(context);
-        mTimeFormatter = new NightDisplayTimeFormatter(context);
-    }
-
-    @Override
-    public void onAttached() {
-        super.onAttached();
-
-        // Listen for changes only while attached.
-        mNightDisplayListener.setCallback(this);
-
-        // Update the summary since the state may have changed while not attached.
-        updateSummary();
-    }
-
-    @Override
-    public void onDetached() {
-        super.onDetached();
-
-        // Stop listening for state changes.
-        mNightDisplayListener.setCallback(null);
-    }
-
-    @Override
-    public void onActivated(boolean activated) {
-        updateSummary();
-    }
-
-    @Override
-    public void onAutoModeChanged(int autoMode) {
-        updateSummary();
-    }
-
-    @Override
-    public void onCustomStartTimeChanged(LocalTime startTime) {
-        updateSummary();
-    }
-
-    @Override
-    public void onCustomEndTimeChanged(LocalTime endTime) {
-        updateSummary();
-    }
-
-    private void updateSummary() {
-        setSummary(mTimeFormatter.getAutoModeTimeSummary(getContext(), mColorDisplayManager));
-    }
-}

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

@@ -15,18 +15,30 @@ package com.android.settings.display;
 
 import android.content.Context;
 import android.hardware.display.ColorDisplayManager;
+import android.hardware.display.NightDisplayListener;
+
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
-import com.android.settings.core.PreferenceControllerMixin;
-import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settings.core.TogglePreferenceController;
+import com.android.settings.widget.PrimarySwitchPreference;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
 
-public class NightDisplayPreferenceController extends AbstractPreferenceController implements
-        PreferenceControllerMixin {
+/** A controller can control the behavior of night display setting. */
+public class NightDisplayPreferenceController extends TogglePreferenceController
+        implements NightDisplayListener.Callback, LifecycleObserver, OnStart, OnStop {
 
-    private static final String KEY_NIGHT_DISPLAY = "night_display";
+    private final ColorDisplayManager mColorDisplayManager;
+    private final NightDisplayListener mNightDisplayListener;
+    private PrimarySwitchPreference mPreference;
 
-    public NightDisplayPreferenceController(Context context) {
-        super(context);
+    public NightDisplayPreferenceController(Context context, String key) {
+        super(context, key);
+
+        mColorDisplayManager = context.getSystemService(ColorDisplayManager.class);
+        mNightDisplayListener = new NightDisplayListener(context);
     }
 
     public static boolean isSuggestionComplete(Context context) {
@@ -41,12 +53,41 @@ public class NightDisplayPreferenceController extends AbstractPreferenceControll
     }
 
     @Override
-    public boolean isAvailable() {
-        return ColorDisplayManager.isNightDisplayAvailable(mContext);
+    public void onStart() {
+        // Listen for changes only while attached.
+        mNightDisplayListener.setCallback(this);
     }
 
     @Override
-    public String getPreferenceKey() {
-        return KEY_NIGHT_DISPLAY;
+    public void onStop() {
+        // Stop listening for state changes.
+        mNightDisplayListener.setCallback(null);
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mPreference = screen.findPreference(getPreferenceKey());
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return ColorDisplayManager.isNightDisplayAvailable(mContext)
+                ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return mColorDisplayManager.isNightDisplayActivated();
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        return mColorDisplayManager.setNightDisplayActivated(isChecked);
+    }
+
+    @Override
+    public void onActivated(boolean activated) {
+        updateState(mPreference);
     }
 }

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

@@ -2,11 +2,15 @@ package com.android.settings.display;
 
 import static com.google.common.truth.Truth.assertThat;
 
-import android.app.Application;
+import android.content.Context;
 import android.hardware.display.ColorDisplayManager;
+
 import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
 import com.android.settings.testutils.shadow.SettingsShadowResources;
+
 import org.junit.After;
+import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
@@ -17,6 +21,17 @@ import org.robolectric.annotation.Config;
 @Config(shadows = {SettingsShadowResources.class})
 public class NightDisplayPreferenceControllerTest {
 
+    private Context mContext;
+    private ColorDisplayManager mColorDisplayManager;
+    private NightDisplayPreferenceController mPreferenceController;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mColorDisplayManager = mContext.getSystemService(ColorDisplayManager.class);
+        mPreferenceController = new NightDisplayPreferenceController(mContext, "test");
+    }
+
     @After
     public void tearDown() {
         SettingsShadowResources.reset();
@@ -24,34 +39,63 @@ public class NightDisplayPreferenceControllerTest {
 
     @Test
     public void nightDisplaySuggestion_isNotCompleted_ifAutoModeDisabled() {
-    final Application context = RuntimeEnvironment.application;
-    context.getSystemService(ColorDisplayManager.class)
-        .setNightDisplayAutoMode(ColorDisplayManager.AUTO_MODE_DISABLED);
-    assertThat(NightDisplayPreferenceController.isSuggestionComplete(context)).isFalse();
+        mColorDisplayManager.setNightDisplayAutoMode(ColorDisplayManager.AUTO_MODE_DISABLED);
+
+        assertThat(NightDisplayPreferenceController.isSuggestionComplete(mContext)).isFalse();
     }
 
     @Test
     public void nightDisplaySuggestion_isCompleted_ifAutoModeCustom() {
-    final Application context = RuntimeEnvironment.application;
-    context.getSystemService(ColorDisplayManager.class)
-        .setNightDisplayAutoMode(ColorDisplayManager.AUTO_MODE_CUSTOM_TIME);
-    assertThat(NightDisplayPreferenceController.isSuggestionComplete(context)).isTrue();
+        mColorDisplayManager.setNightDisplayAutoMode(ColorDisplayManager.AUTO_MODE_CUSTOM_TIME);
+
+        assertThat(NightDisplayPreferenceController.isSuggestionComplete(mContext)).isTrue();
     }
 
     @Test
     public void nightDisplaySuggestion_isCompleted_ifAutoModeTwilight() {
-    final Application context = RuntimeEnvironment.application;
-    context.getSystemService(ColorDisplayManager.class)
-        .setNightDisplayAutoMode(ColorDisplayManager.AUTO_MODE_TWILIGHT);
-    assertThat(NightDisplayPreferenceController.isSuggestionComplete(context)).isTrue();
+        mColorDisplayManager.setNightDisplayAutoMode(ColorDisplayManager.AUTO_MODE_TWILIGHT);
+
+        assertThat(NightDisplayPreferenceController.isSuggestionComplete(mContext)).isTrue();
     }
 
     @Test
     public void nightDisplaySuggestion_isCompleted_ifSuggestionDisabled() {
-    final Application context = RuntimeEnvironment.application;
-    context.getSystemService(ColorDisplayManager.class)
-        .setNightDisplayAutoMode(ColorDisplayManager.AUTO_MODE_DISABLED);
-    SettingsShadowResources.overrideResource(R.bool.config_night_light_suggestion_enabled, false);
-    assertThat(NightDisplayPreferenceController.isSuggestionComplete(context)).isTrue();
+        mColorDisplayManager.setNightDisplayAutoMode(ColorDisplayManager.AUTO_MODE_DISABLED);
+        SettingsShadowResources.overrideResource(R.bool.config_night_light_suggestion_enabled,
+                false);
+
+        assertThat(NightDisplayPreferenceController.isSuggestionComplete(mContext)).isTrue();
+    }
+
+    @Test
+    public void getAvailabilityStatus_nightDisplayIsSupported_returnAvailable() {
+        SettingsShadowResources.overrideResource(
+                com.android.internal.R.bool.config_nightDisplayAvailable, true);
+
+        assertThat(mPreferenceController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_nightDisplayIsNotSupported_returnUnsupportedOnDevice() {
+        SettingsShadowResources.overrideResource(
+                com.android.internal.R.bool.config_nightDisplayAvailable, false);
+
+        assertThat(mPreferenceController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.UNSUPPORTED_ON_DEVICE);
+    }
+
+    @Test
+    public void isChecked_nightDisplayIsActivated_returnTrue() {
+        mColorDisplayManager.setNightDisplayActivated(true);
+
+        assertThat(mPreferenceController.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_nightDisplayIsNotActivated_returnFalse() {
+        mColorDisplayManager.setNightDisplayActivated(false);
+
+        assertThat(mPreferenceController.isChecked()).isFalse();
     }
 }