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/*
* 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.darkmode;
import android.app.UiModeManager;
import android.content.Context;
import android.content.res.Configuration;
import android.os.PowerManager;
import android.util.AttributeSet;
import com.android.settings.R;
import com.android.settings.widget.PrimarySwitchPreference;
import java.time.LocalTime;
/**
* component for the display settings dark ui summary
*/
public class DarkModePreference extends PrimarySwitchPreference {
private UiModeManager mUiModeManager;
private DarkModeObserver mDarkModeObserver;
private PowerManager mPowerManager;
private Runnable mCallback;
private TimeFormatter mFormat;
public DarkModePreference(Context context, AttributeSet attrs) {
super(context, attrs);
mDarkModeObserver = new DarkModeObserver(context);
mUiModeManager = context.getSystemService(UiModeManager.class);
mPowerManager = context.getSystemService(PowerManager.class);
mFormat = new TimeFormatter(context);
mCallback = () -> {
final boolean batterySaver = mPowerManager.isPowerSaveMode();
final boolean active = (getContext().getResources().getConfiguration().uiMode
& Configuration.UI_MODE_NIGHT_YES) != 0;
setSwitchEnabled(!batterySaver);
updateSummary(batterySaver, active);
};
mDarkModeObserver.subscribe(mCallback);
}
@Override
public void onAttached() {
super.onAttached();
mDarkModeObserver.subscribe(mCallback);
}
@Override
public void onDetached() {
super.onDetached();
mDarkModeObserver.unsubscribe();
}
private void updateSummary(boolean batterySaver, boolean active) {
if (batterySaver) {
final int stringId = active
? R.string.dark_ui_mode_disabled_summary_dark_theme_on
: R.string.dark_ui_mode_disabled_summary_dark_theme_off;
setSummary(getContext().getString(stringId));
return;
}
final int mode = mUiModeManager.getNightMode();
String summary;
if (mode == UiModeManager.MODE_NIGHT_AUTO) {
summary = getContext().getString(active
? R.string.dark_ui_summary_on_auto_mode_auto
: R.string.dark_ui_summary_off_auto_mode_auto);
} else if (mode == UiModeManager.MODE_NIGHT_CUSTOM) {
final LocalTime time = active
? mUiModeManager.getCustomNightModeEnd()
: mUiModeManager.getCustomNightModeStart();
final String timeStr = mFormat.of(time);
summary = getContext().getString(active
? R.string.dark_ui_summary_on_auto_mode_custom
: R.string.dark_ui_summary_off_auto_mode_custom, timeStr);
} else {
summary = getContext().getString(active
? R.string.dark_ui_summary_on_auto_mode_never
: R.string.dark_ui_summary_off_auto_mode_never);
}
setSummary(summary);
}
}
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