1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the 10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 11 * KIND, either express or implied. See the License for the specific language governing 12 * permissions and limitations under the License. 13 */ 14 15 package com.android.settings.display; 16 17 import android.content.Context; 18 import android.support.v14.preference.SwitchPreference; 19 import android.util.AttributeSet; 20 21 import com.android.internal.app.ColorDisplayController; 22 23 import java.time.LocalTime; 24 25 public class NightDisplayPreference extends SwitchPreference 26 implements ColorDisplayController.Callback { 27 28 private ColorDisplayController mController; 29 private NightDisplayTimeFormatter mTimeFormatter; 30 NightDisplayPreference(Context context, AttributeSet attrs)31 public NightDisplayPreference(Context context, AttributeSet attrs) { 32 super(context, attrs); 33 34 mController = new ColorDisplayController(context); 35 mTimeFormatter = new NightDisplayTimeFormatter(context); 36 } 37 38 @Override onAttached()39 public void onAttached() { 40 super.onAttached(); 41 42 // Listen for changes only while attached. 43 mController.setListener(this); 44 45 // Update the summary since the state may have changed while not attached. 46 updateSummary(); 47 } 48 49 @Override onDetached()50 public void onDetached() { 51 super.onDetached(); 52 53 // Stop listening for state changes. 54 mController.setListener(null); 55 } 56 57 @Override onActivated(boolean activated)58 public void onActivated(boolean activated) { 59 updateSummary(); 60 } 61 62 @Override onAutoModeChanged(int autoMode)63 public void onAutoModeChanged(int autoMode) { 64 updateSummary(); 65 } 66 67 @Override onCustomStartTimeChanged(LocalTime startTime)68 public void onCustomStartTimeChanged(LocalTime startTime) { 69 updateSummary(); 70 } 71 72 @Override onCustomEndTimeChanged(LocalTime endTime)73 public void onCustomEndTimeChanged(LocalTime endTime) { 74 updateSummary(); 75 } 76 updateSummary()77 private void updateSummary() { 78 setSummary(mTimeFormatter.getAutoModeTimeSummary(getContext(), mController)); 79 } 80 } 81