127 lines
4.4 KiB
Java
127 lines
4.4 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the
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* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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package com.android.settings.display;
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import android.content.Context;
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import android.support.v7.preference.Preference;
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import android.util.AttributeSet;
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import com.android.internal.app.NightDisplayController;
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import com.android.settings.R;
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import java.text.DateFormat;
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import java.util.Calendar;
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import java.util.TimeZone;
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public class NightDisplayPreference extends Preference implements NightDisplayController.Callback {
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private NightDisplayController mController;
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private DateFormat mTimeFormatter;
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public NightDisplayPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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mController = new NightDisplayController(context);
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mTimeFormatter = android.text.format.DateFormat.getTimeFormat(context);
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mTimeFormatter.setTimeZone(TimeZone.getTimeZone("UTC"));
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}
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@Override
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public void onAttached() {
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super.onAttached();
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// Listen for changes only while attached.
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mController.setListener(this);
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// Update the summary since the state may have changed while not attached.
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updateSummary();
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}
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@Override
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public void onDetached() {
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super.onDetached();
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// Stop listening for state changes.
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mController.setListener(null);
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}
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private String getFormattedTimeString(NightDisplayController.LocalTime localTime) {
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final Calendar c = Calendar.getInstance();
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c.setTimeZone(mTimeFormatter.getTimeZone());
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c.set(Calendar.HOUR_OF_DAY, localTime.hourOfDay);
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c.set(Calendar.MINUTE, localTime.minute);
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c.set(Calendar.SECOND, 0);
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c.set(Calendar.MILLISECOND, 0);
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return mTimeFormatter.format(c.getTime());
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}
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private void updateSummary() {
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final Context context = getContext();
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final boolean isActivated = mController.isActivated();
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final int autoMode = mController.getAutoMode();
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final String autoModeSummary;
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switch (autoMode) {
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default:
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case NightDisplayController.AUTO_MODE_DISABLED:
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autoModeSummary = context.getString(isActivated
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? R.string.night_display_summary_on_auto_mode_never
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: R.string.night_display_summary_off_auto_mode_never);
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break;
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case NightDisplayController.AUTO_MODE_CUSTOM:
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if (isActivated) {
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autoModeSummary = context.getString(
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R.string.night_display_summary_on_auto_mode_custom,
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getFormattedTimeString(mController.getCustomEndTime()));
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} else {
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autoModeSummary = context.getString(
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R.string.night_display_summary_off_auto_mode_custom,
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getFormattedTimeString(mController.getCustomStartTime()));
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}
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break;
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case NightDisplayController.AUTO_MODE_TWILIGHT:
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autoModeSummary = context.getString(isActivated
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? R.string.night_display_summary_on_auto_mode_twilight
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: R.string.night_display_summary_off_auto_mode_twilight);
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break;
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}
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final int summaryFormatResId = isActivated ? R.string.night_display_summary_on
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: R.string.night_display_summary_off;
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setSummary(context.getString(summaryFormatResId, autoModeSummary));
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}
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@Override
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public void onActivated(boolean activated) {
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updateSummary();
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}
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@Override
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public void onAutoModeChanged(int autoMode) {
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updateSummary();
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}
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@Override
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public void onCustomStartTimeChanged(NightDisplayController.LocalTime startTime) {
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updateSummary();
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}
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@Override
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public void onCustomEndTimeChanged(NightDisplayController.LocalTime endTime) {
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updateSummary();
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}
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}
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