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.internal.Date;
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9 | import danger.util.LocaleUtils;
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10 | import danger.util.StdActiveList;
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11 | import danger.util.StdActiveObject;
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12 | import danger.util.DEBUG;
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13 | import danger.util.format.DateFormat;
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14 | import danger.util.format.StringFormat;
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15 |
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16 | public class Alarm extends StdActiveObject {
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17 | private static final int VERSION_1 = 1;
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18 |
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19 | // persisted
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20 | private String mMessage;
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21 | private int mType;
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22 | private int mPeriod; // XXX rename to 'interval'
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23 | private Date mDate;
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24 |
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25 | // transient
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26 | private int mState;
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27 | private danger.app.Alarm mAlarm;
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28 |
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29 | public Alarm() {
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30 | mState = STATE_INVALID;
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31 | mAlarm = new danger.app.Alarm(0, Application.getCurrentApp(), this);
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32 | }
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33 |
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34 | public String getMessage() {
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35 | return mMessage;
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36 | }
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37 | public int getPeriod() {
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38 | return mPeriod;
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39 | }
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40 | public boolean getUsesPeriod() {
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41 | return mType != TYPE_DATE;
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42 | }
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43 | public boolean getRepeating() {
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44 | return mType == TYPE_PERIODIC_REPEATING;
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45 | }
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46 | public Date getDate() {
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47 | return mDate;
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48 | }
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49 |
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50 | public void setMessage(String message) {
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51 | mMessage = message;
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52 | }
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53 | public void setPeriod(int period, boolean repeating) {
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54 | mType = repeating ? TYPE_PERIODIC_REPEATING : TYPE_PERIODIC;
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55 | mPeriod = period;
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56 | }
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57 | public void setDate(Date date) {
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58 | mType = TYPE_DATE;
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59 | mDate = date;
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60 | }
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61 |
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62 | public byte[] toByteArray() {
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63 | try {
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64 | ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
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65 | DataOutputStream dataStream = new DataOutputStream(byteStream);
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66 |
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67 | dataStream.writeByte(VERSION_1);
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68 | dataStream.writeUTF(mMessage);
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69 | dataStream.writeInt(mPeriod);
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70 | dataStream.writeInt(mDate.getUnixTimeGMT());
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71 | dataStream.writeInt(mType);
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72 | dataStream.flush();
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73 | return byteStream.toByteArray();
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74 | } catch (Exception e) {
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75 | // XXX do something
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76 | }
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77 | return null;
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78 | }
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79 |
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80 | public void fromByteArray(byte[] data) {
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81 | try {
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82 | ByteArrayInputStream byteStream = new ByteArrayInputStream(data);
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83 | DataInputStream dataStream = new DataInputStream(byteStream);
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84 |
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85 | byte version = dataStream.readByte();
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86 | if (version != VERSION_1) {
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87 | // XXX barf
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88 | }
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89 | mMessage = dataStream.readUTF();
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90 | mPeriod = dataStream.readInt();
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91 | mType = dataStream.readInt();
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92 | } catch (Exception e) {
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93 | // XXX do something
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94 | }
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95 | }
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96 |
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97 | void beginEditing() {
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98 | mState = STATE_EDITING;
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99 | mAlarm.deactivate();
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100 | }
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101 |
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102 | void resume() {
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103 | mState = STATE_SCHEDULED;
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104 | int period = mDate.getDangerTimeGMT() - new Date().getDangerTimeGMT();
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105 | if (period < 0) period = 0;
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106 | mAlarm.resetWake(period);
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107 | DEBUG.p("resetWake: " + description() + " - " + period + "s left");
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108 | update();
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109 | }
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110 |
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111 | void schedule() {
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112 | if (getUsesPeriod()) {
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113 | mDate = new Date();
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114 | mDate.addSeconds(mPeriod);
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115 | }
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116 | resume();
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117 | }
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118 |
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119 | void dismiss() {
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120 | if (getRepeating())
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121 | schedule();
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122 | else
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123 | ((StdActiveList)getDelegate()).removeItem(this);
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124 | }
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125 |
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126 | void cancel() {
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127 | mState = STATE_INVALID;
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128 | mAlarm.deactivate();
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129 | }
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130 |
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131 | public String description() {
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132 | StringBuffer sb = new StringBuffer();
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133 | switch (mState) {
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134 | case STATE_INVALID: sb.append("invalid "); break;
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135 | case STATE_EDITING: sb.append("editing "); break;
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136 | case STATE_SCHEDULED: sb.append("scheduled "); break;
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137 | }
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138 | switch (mType) {
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139 | case TYPE_PERIODIC:
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140 | sb.append("periodic (").append(mPeriod).append("s) "); break;
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141 | case TYPE_PERIODIC_REPEATING:
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142 | sb.append("repeating periodic (").append(mPeriod).append("s) ");
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143 | break;
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144 | case TYPE_DATE:
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145 | sb.append("date (").append(getDateTimeString()).append(") "); break;
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146 | }
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147 | sb.append("alarm: ");
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148 | sb.append('"').append(mMessage).append('"');
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149 | return sb.toString();
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150 | }
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151 |
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152 | protected static String dateTimeString(Date date) {
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153 | if (date == null)
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154 | return null;
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155 | String layout = LocaleUtils.getDateTimePattern();
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156 | String timeFormat = LocaleUtils.getMediumTimeFormat();
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157 | String dateFormat = LocaleUtils.getShortDateFormat();
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158 | return StringFormat.withFormat(layout,
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159 | DateFormat.withFormat(timeFormat, date),
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160 | DateFormat.withFormat(dateFormat, date));
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161 | }
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162 |
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163 | public String getDateTimeString() {
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164 | return dateTimeString(mDate);
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165 | }
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166 |
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167 | public String toString() {
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168 | return mMessage;
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169 | }
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170 |
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171 | public static final int TYPE_PERIODIC = 0;
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172 | public static final int TYPE_PERIODIC_REPEATING = 1;
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173 | public static final int TYPE_DATE = 2;
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174 |
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175 | public static final int STATE_INVALID = 0;
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176 | public static final int STATE_EDITING = 1;
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177 | public static final int STATE_SCHEDULED = 2;
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178 | } |
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