1 | package net.sabi.pester;
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2 |
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3 | import java.io.ByteArrayInputStream;
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4 | import java.io.ByteArrayOutputStream;
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5 | import java.io.DataInputStream;
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6 | import java.io.DataOutputStream;
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7 | import danger.app.Application;
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8 | import danger.audio.RingToneObject;
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9 | import danger.internal.Date;
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10 | import danger.system.Hardware;
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11 | import danger.util.LocaleUtils;
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12 | import danger.util.StdActiveList;
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13 | import danger.util.StdActiveObject;
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14 | import danger.util.DEBUG;
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15 | import danger.util.format.DateFormat;
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16 | import danger.util.format.StringFormat;
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17 |
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18 | public class Alarm extends StdActiveObject {
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19 | private static final int VERSION_1 = 1;
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20 |
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21 | // persisted
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22 | private String mMessage;
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23 | private int mType;
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24 | private int mPeriod;
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25 | private Date mDate;
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26 | private RingToneObject mAlert;
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27 |
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28 | // transient
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29 | private int mState;
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30 | private int mAbsoluteFireTime; // only valid if periodic
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31 | private danger.app.Alarm mAlarm;
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32 |
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33 | public Alarm() {
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34 | mState = STATE_INVALID;
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35 | mAlarm = new danger.app.Alarm(0, Application.getCurrentApp(), this);
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36 | }
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37 |
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38 | public String getMessage() {
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39 | return mMessage;
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40 | }
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41 | public int getPeriod() {
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42 | return mPeriod;
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43 | }
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44 | public boolean getUsesPeriod() {
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45 | return mType != TYPE_DATE;
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46 | }
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47 | public boolean getRepeating() {
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48 | return mType == TYPE_PERIODIC_REPEATING;
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49 | }
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50 | public Date getDate() {
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51 | return mDate;
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52 | }
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53 | public RingToneObject getAlert() {
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54 | return mAlert;
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55 | }
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56 |
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57 | public void setMessage(String message) {
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58 | mMessage = message;
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59 | }
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60 | public void setPeriod(int period, boolean repeating) {
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61 | mType = repeating ? TYPE_PERIODIC_REPEATING : TYPE_PERIODIC;
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62 | mPeriod = period;
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63 | }
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64 | public void setDate(Date date) {
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65 | mType = TYPE_DATE;
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66 | mDate = date;
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67 | }
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68 | public void setAlert(RingToneObject alert) {
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69 | mAlert = alert.isValid() ? alert : null;
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70 | }
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71 |
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72 | public byte[] toByteArray() {
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73 | try {
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74 | ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
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75 | DataOutputStream dataStream = new DataOutputStream(byteStream);
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76 |
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77 | dataStream.writeByte(VERSION_1);
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78 | dataStream.writeUTF(mMessage);
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79 | dataStream.writeInt(mPeriod);
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80 | dataStream.writeInt(mDate.getUnixTimeGMT());
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81 | dataStream.writeInt(mType);
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82 | dataStream.writeInt(mAlert == null ? 0 : mAlert.getID());
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83 | dataStream.flush();
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84 | return byteStream.toByteArray();
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85 | } catch (Exception e) {
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86 | // XXX do something
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87 | DEBUG.p("failed to write alarm:" + e);
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88 | }
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89 | return null;
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90 | }
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91 |
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92 | public void fromByteArray(byte[] data) {
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93 | try {
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94 | ByteArrayInputStream byteStream = new ByteArrayInputStream(data);
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95 | DataInputStream dataStream = new DataInputStream(byteStream);
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96 |
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97 | byte version = dataStream.readByte();
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98 | if (version != VERSION_1) {
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99 | // XXX barf
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100 | }
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101 | mMessage = dataStream.readUTF();
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102 | mPeriod = dataStream.readInt();
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103 | mDate = new Date(dataStream.readInt());
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104 | mType = dataStream.readInt();
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105 | int alertID = dataStream.readInt();
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106 | mAlert = (alertID == 0 ? null : new RingToneObject(alertID));
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107 | } catch (Exception e) {
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108 | // XXX do something
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109 | DEBUG.p("failed to read alarm:" + e);
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110 | }
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111 | }
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112 |
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113 | void beginEditing() {
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114 | mState = STATE_EDITING;
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115 | mAlarm.deactivate();
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116 | }
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117 |
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118 | public static int secondsFromNow(Date date) {
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119 | return date.getDangerTimeGMT() - new Date().getDangerTimeGMT();
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120 | }
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121 |
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122 | protected int remainingInterval() {
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123 | return secondsFromNow(mDate);
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124 | }
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125 |
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126 | void resume() {
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127 | mState = STATE_SCHEDULED;
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128 | int interval = remainingInterval();
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129 | if (interval < 0) interval = 0;
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130 | mAlarm.resetWake(interval);
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131 | DEBUG.p("resetWake: " + description() + " - " + interval + "s left");
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132 | update();
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133 | }
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134 |
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135 | void timeChanged() {
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136 | if (mState != STATE_SCHEDULED)
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137 | return;
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138 | if (getUsesPeriod()) {
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139 | int realSecondsLeft = mAbsoluteFireTime - Hardware.getAbsoluteTime();
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140 | mDate = new Date();
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141 | mDate.addSeconds(realSecondsLeft < 0 ? 0 : realSecondsLeft);
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142 | // no need to call resume(): alarm uses absolute time
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143 | } else {
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144 | resume();
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145 | }
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146 | }
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147 |
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148 | void schedule() {
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149 | if (getUsesPeriod()) {
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150 | mDate = new Date();
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151 | mDate.addSeconds(mPeriod);
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152 | mAbsoluteFireTime = Hardware.getAbsoluteTime() + mPeriod;
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153 | }
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154 | resume();
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155 | }
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156 |
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157 | void dismiss() {
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158 | if (getRepeating())
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159 | schedule();
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160 | else
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161 | ((StdActiveList)getDelegate()).removeItem(this);
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162 | }
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163 |
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164 | void cancel() {
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165 | mState = STATE_INVALID;
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166 | mAlarm.deactivate();
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167 | }
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168 |
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169 | public String description() {
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170 | StringBuffer sb = new StringBuffer();
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171 | switch (mState) {
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172 | case STATE_INVALID: sb.append("invalid "); break;
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173 | case STATE_EDITING: sb.append("editing "); break;
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174 | case STATE_SCHEDULED: sb.append("scheduled "); break;
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175 | }
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176 | switch (mType) {
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177 | case TYPE_PERIODIC:
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178 | sb.append("periodic (").append(mPeriod).append("s) "); break;
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179 | case TYPE_PERIODIC_REPEATING:
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180 | sb.append("repeating periodic (").append(mPeriod).append("s) ");
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181 | break;
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182 | case TYPE_DATE:
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183 | sb.append("date (").append(getDateTimeString()).append(") "); break;
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184 | }
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185 | sb.append("alarm: ");
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186 | sb.append('"').append(mMessage).append('"');
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187 | return sb.toString();
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188 | }
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189 |
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190 | public static String dateTimeString(Date date, boolean relative) {
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191 | if (date == null)
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192 | return null;
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193 | String layout = LocaleUtils.getDateTimePattern();
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194 | String dateFormat = LocaleUtils.getMediumDateFormat();
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195 | String dateString;
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196 | String timeFormat;
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197 | if (relative) {
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198 | timeFormat = LocaleUtils.getShortTimeFormat();
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199 | int daysFromToday = date.getDaysBetween(new Date());
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200 | if (daysFromToday == 0)
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201 | dateString = "Today"; // XXX localize
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202 | else if (daysFromToday == 1)
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203 | dateString = "Tomorrow"; // XXX localize
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204 | else if (daysFromToday < 7)
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205 | dateString = date.getDayString();
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206 | else
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207 | dateString = DateFormat.withFormat(dateFormat, date);
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208 | } else {
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209 | dateString = DateFormat.withFormat(dateFormat, date);
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210 | timeFormat = LocaleUtils.getMediumTimeFormat();
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211 | }
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212 | String timeString = DateFormat.withFormat(timeFormat, date);
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213 | return StringFormat.withFormat(layout, timeString, dateString);
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214 | }
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215 |
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216 | protected static void addUnit(StringBuffer sb, int n, String unit) {
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217 | if (n == 0) return;
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218 | if (sb.length() > 0) sb.append(", ");
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219 | if (n == 1) sb.append("one ").append(unit);
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220 | else sb.append(n).append(' ').append(unit).append("s");
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221 | }
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222 |
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223 | public static String intervalString(int i) { // XXX localize
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224 | if (i < 0)
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225 | return "expired";
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226 | StringBuffer sb = new StringBuffer();
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227 | if (i < 60) {
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228 | addUnit(sb, i, "second");
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229 | } else {
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230 | i /= 60; // minutes
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231 | if (i < 24 * 60) {
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232 | addUnit(sb, i / 60, "hour");
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233 | addUnit(sb, i % 60, "minute");
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234 | } else {
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235 | i /= 60; // hours
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236 | if (i < 365) {
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237 | addUnit(sb, i / 24, "day");
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238 | addUnit(sb, i % 24, "hour");
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239 | } else {
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240 | i /= 24; // days
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241 | addUnit(sb, i / 365, "year"); // XXX actually 365.242199
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242 | addUnit(sb, i % 365, "day");
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243 | }
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244 | }
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245 | }
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246 | return sb.toString();
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247 | }
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248 |
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249 | public String getDateTimeString(boolean relative) {
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250 | return dateTimeString(mDate, relative);
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251 | }
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252 |
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253 | public String getDateTimeString() {
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254 | return getDateTimeString(false);
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255 | }
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256 |
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257 | public String getIntervalString() {
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258 | return intervalString(remainingInterval());
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259 | }
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260 |
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261 | public String toString() {
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262 | return getDateTimeString(true) + " - " + mMessage;
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263 | }
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264 |
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265 | public static final int TYPE_PERIODIC = 0;
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266 | public static final int TYPE_PERIODIC_REPEATING = 1;
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267 | public static final int TYPE_DATE = 2;
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268 |
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269 | public static final int STATE_INVALID = 0;
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270 | public static final int STATE_EDITING = 1;
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271 | public static final int STATE_SCHEDULED = 2;
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272 | } |
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