1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.tv.settings.widget.picker; 18 19 import android.os.Bundle; 20 21 import java.util.ArrayList; 22 import java.util.Calendar; 23 24 25 public class TimePicker extends Picker { 26 27 private static final String EXTRA_24H_FORMAT = "24h_format"; 28 private static final String EXTRA_DEFAULT_TO_CURRENT = "delault_to_current"; 29 30 private static final int COL_HOUR = 0; 31 private static final int COL_MINUTE = 1; 32 private static final int COL_AMPM = 2; 33 34 private static final int HOURS_IN_HALF_DAY = 12; 35 36 private boolean mIs24hFormat = false; 37 private boolean mPendingTime = false; 38 private int mInitHour; 39 private int mInitMinute; 40 private boolean mInitIsPm; 41 newInstance()42 public static TimePicker newInstance() { 43 return newInstance(true, true); 44 } 45 newInstance(boolean is24hFormat, boolean defaultToCurrentTime)46 public static TimePicker newInstance(boolean is24hFormat, boolean defaultToCurrentTime) { 47 TimePicker picker = new TimePicker(); 48 Bundle args = new Bundle(); 49 args.putBoolean(EXTRA_24H_FORMAT, is24hFormat); 50 args.putBoolean(EXTRA_DEFAULT_TO_CURRENT, defaultToCurrentTime); 51 picker.setArguments(args); 52 return picker; 53 } 54 55 @Override onCreate(Bundle savedInstanceState)56 public void onCreate(Bundle savedInstanceState) { 57 mIs24hFormat = getArguments().getBoolean(EXTRA_24H_FORMAT, false); 58 boolean useCurrent = getArguments().getBoolean(EXTRA_DEFAULT_TO_CURRENT, false); 59 60 super.onCreate(savedInstanceState); 61 62 if (useCurrent) { 63 mPendingTime = true; 64 Calendar cal = Calendar.getInstance(); 65 mInitHour = cal.get(Calendar.HOUR_OF_DAY); 66 67 if (!mIs24hFormat) { 68 if (mInitHour >= HOURS_IN_HALF_DAY) { 69 // PM case, valid hours: 12-23 70 mInitIsPm = true; 71 if (mInitHour > HOURS_IN_HALF_DAY) { 72 mInitHour = mInitHour - HOURS_IN_HALF_DAY; 73 } 74 } else { 75 // AM case, valid hours: 0-11 76 mInitIsPm = false; 77 if (mInitHour == 0) { 78 mInitHour = HOURS_IN_HALF_DAY; 79 } 80 } 81 } 82 83 mInitMinute = cal.get(Calendar.MINUTE); 84 } 85 } 86 87 @Override onResume()88 public void onResume() { 89 if (mPendingTime) { 90 mPendingTime = false; 91 setTime(mInitHour, mInitMinute, mInitIsPm); 92 } 93 super.onResume(); 94 } 95 setTime(int hour, int minute, boolean isPm)96 protected boolean setTime(int hour, int minute, boolean isPm) { 97 if (minute < 0 || minute > 59) { 98 return false; 99 } 100 101 if (mIs24hFormat) { 102 if (hour < 0 || hour > 23) { 103 return false; 104 } 105 } else { 106 if (hour < 1 || hour > 12) { 107 return false; 108 } 109 } 110 111 updateSelection(COL_HOUR, mIs24hFormat ? hour : (hour - 1)); 112 updateSelection(COL_MINUTE, minute); 113 if (!mIs24hFormat) { 114 updateSelection(COL_AMPM, isPm ? 1 : 0); 115 } 116 117 return true; 118 } 119 120 @Override getColumns()121 protected ArrayList<PickerColumn> getColumns() { 122 ArrayList<PickerColumn> ret = new ArrayList<PickerColumn>(); 123 PickerColumn hours = new PickerColumn(mIs24hFormat ? mConstant.hours24 : mConstant.hours12); 124 PickerColumn minutes = new PickerColumn(mConstant.minutes); 125 ret.add(hours); 126 ret.add(minutes); 127 128 if (!mIs24hFormat) { 129 PickerColumn ampm = new PickerColumn(mConstant.ampm); 130 ret.add(ampm); 131 } 132 return ret; 133 } 134 135 @Override getSeparator()136 protected String getSeparator() { 137 return mConstant.timeSeparator; 138 } 139 } 140