package com.android.settings.display;
import android.app.UiModeManager;
+import android.content.BroadcastReceiver;
import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.PowerManager;
import android.provider.Settings;
import androidx.annotation.VisibleForTesting;
import androidx.fragment.app.Fragment;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import com.android.settings.R;
import com.android.settings.core.TogglePreferenceController;
+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 DarkUIPreferenceController extends TogglePreferenceController {
+public class DarkUIPreferenceController extends TogglePreferenceController implements
+ LifecycleObserver, OnStart, OnStop {
public static final String DARK_MODE_PREFS = "dark_mode_prefs";
public static final String PREF_DARK_MODE_DIALOG_SEEN = "dark_mode_dialog_seen";
public static final int DIALOG_SEEN = 1;
+
+ @VisibleForTesting
+ SwitchPreference mPreference;
+
private UiModeManager mUiModeManager;
+ private PowerManager mPowerManager;
private Context mContext;
+
private Fragment mFragment;
+ private BroadcastReceiver mReceiver = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ updateEnabledStateIfNeeded();
+ }
+ };
+
public DarkUIPreferenceController(Context context, String key) {
super(context, key);
mContext = context;
mUiModeManager = context.getSystemService(UiModeManager.class);
+ mPowerManager = context.getSystemService(PowerManager.class);
}
@Override
}
@Override
+ public void displayPreference(PreferenceScreen screen) {
+ super.displayPreference(screen);
+ mPreference = screen.findPreference(getPreferenceKey());
+ }
+
+ @Override
+ public void updateState(Preference preference) {
+ super.updateState(preference);
+ updateEnabledStateIfNeeded();
+ }
+
+ @Override
public boolean setChecked(boolean isChecked) {
final boolean dialogSeen =
Settings.Secure.getInt(mContext.getContentResolver(),
}
@VisibleForTesting
+ void updateEnabledStateIfNeeded() {
+ if (mPreference == null) {
+ return;
+ }
+ boolean isBatterySaver = isPowerSaveMode();
+ mPreference.setEnabled(!isBatterySaver);
+ if (isBatterySaver) {
+ int stringId = mUiModeManager.getNightMode() == UiModeManager.MODE_NIGHT_YES
+ ? R.string.dark_ui_mode_disabled_summary_dark_theme_on
+ : R.string.dark_ui_mode_disabled_summary_dark_theme_off;
+ mPreference.setSummary(mContext.getString(stringId));
+ } else {
+ mPreference.setSummary(null);
+ }
+ }
+
+ @VisibleForTesting
+ boolean isPowerSaveMode() {
+ return mPowerManager.isPowerSaveMode();
+ }
+
+
+ @VisibleForTesting
void setUiModeManager(UiModeManager uiModeManager) {
mUiModeManager = uiModeManager;
}
}
@Override
+ public void onStart() {
+ mContext.registerReceiver(mReceiver,
+ new IntentFilter(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED));
+ }
+
+ @Override
+ public void onStop() {
+ mContext.unregisterReceiver(mReceiver);
+ }
+
+ @Override
public int getAvailabilityStatus() {
return AVAILABLE;
}
--- /dev/null
+/*
+ * Copyright (C) 2019 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 com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.os.Handler;
+import android.os.IPowerManager;
+import android.os.PowerManager;
+
+import androidx.fragment.app.Fragment;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+
+import org.junit.Assert;
+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;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class DarkUIPreferenceControllerTest {
+
+ private DarkUIPreferenceController mController;
+ private Context mContext;
+ @Mock
+ private Fragment mFragment;
+
+ @Before
+ public void setUp() {
+ MockitoAnnotations.initMocks(this);
+ mContext = spy(RuntimeEnvironment.application);
+ mController = spy(new DarkUIPreferenceController(mContext, "dark_ui_mode"));
+ mController.setParentFragment(mFragment);
+ mController.mPreference = new SwitchPreference(mContext);
+ mController.onStart();
+ }
+
+ @Test
+ public void batterySaverToggles_disabledStateUpdates() {
+ doReturn(true).when(mController).isPowerSaveMode();
+ mController.updateEnabledStateIfNeeded();
+ assertThat(mController.mPreference.isEnabled()).isFalse();
+
+ doReturn(false).when(mController).isPowerSaveMode();
+ mController.updateEnabledStateIfNeeded();
+ assertThat(mController.mPreference.isEnabled()).isTrue();
+
+ doReturn(true).when(mController).isPowerSaveMode();
+ mController.updateEnabledStateIfNeeded();
+ assertThat(mController.mPreference.isEnabled()).isFalse();
+ }
+}