1 | package org.tipple.mapDisplay;
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2 |
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3 | import java.io.File;
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4 | import java.text.DecimalFormat;
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5 | import java.util.ArrayList;
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6 | import java.util.HashMap;
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7 | import java.util.HashSet;
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8 | import java.util.Set;
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9 |
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10 | import org.mapsforge.android.maps.ArrayItemizedMarkerOverlay;
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11 | import org.mapsforge.android.maps.CircleOverlay;
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12 | import org.mapsforge.android.maps.GeoPoint;
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13 | import org.mapsforge.android.maps.MapController;
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14 | import org.mapsforge.android.maps.MapView;
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15 | import org.mapsforge.android.maps.OverlayMarkerItem;
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16 | import org.mapsforge.android.maps.OverlayTextAudioItem;
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17 | import org.mapsforge.android.maps.Projection;
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18 |
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19 | import android.app.Activity;
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20 | import android.content.Context;
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21 | import android.graphics.Color;
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22 | import android.graphics.Paint;
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23 | import android.graphics.Point;
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24 | import android.graphics.drawable.Drawable;
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25 | import android.location.Location;
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26 | import android.location.LocationListener;
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27 | import android.location.LocationManager;
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28 | import android.media.MediaPlayer;
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29 | import android.os.Bundle;
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30 | import android.os.Vibrator;
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31 | import android.widget.TextView;
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32 |
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33 | public class locationListener implements LocationListener {
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34 | public static Location lastKnownLocation = null;
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35 |
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36 | protected ArrayList<tippleLocation> locations;
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37 |
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38 | protected ArrayList<tippleLocation> locations_;
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39 | Drawable highlight_marker2;
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40 | Drawable highlight_marker1;
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41 | Drawable marker;
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42 |
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43 | protected Activity activity_;
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44 | protected MapView map_view_;
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45 | protected TextView text_view_;
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46 | protected LocationManager tip_location_manager_;
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47 | protected TippleLocationManagerVersion2 tipManager;
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48 | // protected tippleLocationManager tipManager;
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49 | protected MapController map_controller_;
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50 | protected CircleOverlay here_overlay_;
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51 | protected ArrayItemizedMarkerOverlay highlight_marker_overlay_;
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52 |
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53 | protected Vibrator vibrator_;
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54 |
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55 | protected Set<tippleLocation> curr_locations_;
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56 | protected Set<tippleLocation> prev_locations_;
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57 | HashMap<Integer, OverlayMarkerItem> highlight_marker_hash_;
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58 |
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59 | public locationListener(Activity activity, MapView map_view,
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60 | TextView text_view, LocationManager location_manager,
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61 | TippleLocationManagerVersion2 tipManager,
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62 | ArrayList<tippleLocation> locations) {
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63 | activity_ = activity;
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64 | map_view_ = map_view;
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65 | text_view_ = text_view;
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66 | this.tipManager = tipManager;
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67 | tip_location_manager_ = location_manager;
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68 | locations_ = locations;
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69 |
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70 | // location aware
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71 | Paint circleFillPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
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72 | circleFillPaint.setStyle(Paint.Style.FILL);
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73 | circleFillPaint.setColor(Color.GREEN);
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74 | circleFillPaint.setAlpha(64);
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75 |
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76 | Paint circleOutlinePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
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77 | circleOutlinePaint.setStyle(Paint.Style.STROKE);
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78 | circleOutlinePaint.setColor(Color.GREEN);
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79 | circleOutlinePaint.setAlpha(128);
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80 | circleOutlinePaint.setStrokeWidth(3);
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81 |
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82 | Drawable highlightMarker = activity_.getResources().getDrawable(
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83 | R.drawable.markerhighlightbook1);
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84 |
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85 | highlight_marker_overlay_ = new ArrayItemizedMarkerOverlay(
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86 | highlightMarker, activity);
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87 |
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88 | map_view_.getOverlays().add(highlight_marker_overlay_);
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89 |
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90 | vibrator_ = (Vibrator) activity
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91 | .getSystemService(Context.VIBRATOR_SERVICE);
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92 |
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93 | curr_locations_ = new HashSet<tippleLocation>();
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94 | prev_locations_ = new HashSet<tippleLocation>();
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95 | highlight_marker_hash_ = new HashMap<Integer, OverlayMarkerItem>();
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96 |
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97 | }
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98 |
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99 | ArrayList<tippleLocation> getLocations() {
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100 | return locations_;
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101 | }
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102 |
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103 | void setLocations(ArrayList<tippleLocation> locations) {
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104 | this.locations_ = locations;
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105 | }
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106 |
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107 | Activity getActivity() {
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108 | return activity_;
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109 | }
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110 |
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111 | void resetOverlayThreadsOnListener() {
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112 |
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113 | if (highlight_marker_overlay_ != null) {
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114 | highlight_marker_overlay_.clear();
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115 | highlight_marker_overlay_ = null;
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116 | }
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117 | if (highlight_marker_hash_ != null)
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118 |
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119 | {
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120 | highlight_marker_hash_.clear();
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121 | highlight_marker_hash_ = null;
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122 | }
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123 | if (locations_ != null)
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124 |
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125 | {
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126 | locations_.clear();
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127 | locations_ = null;
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128 | }
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129 |
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130 | if (curr_locations_ != null) {
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131 | curr_locations_.clear();
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132 | curr_locations_ = null;
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133 | }
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134 | if (prev_locations_ != null) {
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135 | prev_locations_.clear();
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136 | prev_locations_ = null;
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137 | }
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138 |
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139 | }
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140 |
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141 | boolean checking_location_ = false;
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142 |
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143 | synchronized protected boolean getLock() {
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144 | if (!checking_location_) {
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145 | checking_location_ = true;
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146 | }
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147 |
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148 | return checking_location_;
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149 | }
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150 |
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151 | synchronized protected void freeLock() {
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152 | checking_location_ = false;
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153 | }
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154 |
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155 | protected double pointDistance(Point place_point, Point here_point) {
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156 | double delta_x = place_point.x - here_point.x;
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157 | double delta_y = place_point.y - here_point.y;
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158 | double pixel_distance = Math.sqrt((delta_x * delta_x)
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159 | + (delta_y * delta_y));
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160 |
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161 | return pixel_distance;
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162 | }
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163 |
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164 | Point lastLoggedPoint_ = null;
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165 |
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166 | protected void updateActiveLocations(Location loc) {
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167 | // Find out if the current GPS location lies within the boundaries
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168 | // of any of the tour locations
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169 | Projection projection = map_view_.getProjection();
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170 | byte zoom_level = map_view_.getZoomLevel();
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171 | // byte zoom_level = 10; // work at a reasonable level of scale
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172 |
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173 | float in_out_gap_meters = 3.0f;
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174 | float in_out_gap_pixels = projection.metersToPixels(in_out_gap_meters,
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175 | zoom_level);
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176 |
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177 | double here_latitude = loc.getLatitude();
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178 | double here_longitude = loc.getLongitude();
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179 | GeoPoint here_geopoint = new GeoPoint(here_latitude, here_longitude);
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180 | Point here_point = projection.toPoint(here_geopoint, null, zoom_level);
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181 |
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182 | if (lastLoggedPoint_ == null) {
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183 | lastLoggedPoint_ = here_point;
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184 | // tippleActivity.log.optMessage("GPS Location Reading");
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185 | } else {
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186 | float far_enough_meters = 3.0f; // 3 meters
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187 | float far_enough_pixels = projection.metersToPixels(
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188 | far_enough_meters, zoom_level);
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189 | if (pointDistance(here_point, lastLoggedPoint_) > far_enough_pixels) {
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190 | // tippleActivity.log.optMessage("GPS Location Reading");
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191 | }
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192 | }
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193 |
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194 | for (int i = 0; i < locations_.size(); i++) {
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195 |
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196 | tippleLocation place = locations_.get(i);
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197 |
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198 | double place_latitude = place.getlatitude();
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199 | double place_longitude = place.getlongitude();
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200 | double radius_meters = place.getradius() * 1000.0;
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201 |
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202 | GeoPoint place_geopoint = new GeoPoint(place_latitude,
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203 | place_longitude);
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204 | Point place_point = projection.toPoint(place_geopoint, null,
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205 | zoom_level);
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206 |
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207 | float radius_pixel_distance = projection.metersToPixels(
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208 | (float) radius_meters, zoom_level);
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209 |
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210 | double delta_x = place_point.x - here_point.x;
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211 | double delta_y = place_point.y - here_point.y;
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212 | double pixel_distance = Math.sqrt((delta_x * delta_x)
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213 | + (delta_y * delta_y));
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214 |
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215 | double outside_pixel_distance = radius_pixel_distance
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216 | + in_out_gap_pixels;
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217 | double inside_pixel_distance = radius_pixel_distance;
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218 |
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219 | if (pixel_distance <= inside_pixel_distance) {
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220 |
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221 | if (!curr_locations_.contains(place)) {
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222 | // User has entered new location on tour
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223 |
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224 | curr_locations_.add(place);
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225 | vibrator_.vibrate(1000);
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226 | Bundle bundle = new Bundle();
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227 | bundle.putString("placeName", place.getTitle());
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228 |
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229 | boolean visited_previously = prev_locations_
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230 | .contains(place);
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231 | tipManager
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232 | .textToSpeechToLocation(place, visited_previously);
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233 |
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234 | OverlayTextAudioItem here_marker_item = (OverlayTextAudioItem) TippleLocationManagerVersion2.itemizedMarkerOverlayArrayList
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235 | .get(i);
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236 | GeoPoint dm_geopoint = here_marker_item.getPoint();
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237 | String title = here_marker_item.getTitle();
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238 | String[] nodeId = here_marker_item.getNodeID().split("\\.");
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239 | if (nodeId[0]
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240 | .equalsIgnoreCase(TippleLocationManagerVersion2.stationOfCrossURL)) {// hamiltonGardenURL
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241 | marker = activity_.getResources().getDrawable(
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242 | R.drawable.markerhighlightbook2);
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243 |
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244 | }
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245 |
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246 | else {
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247 | marker = activity_.getResources().getDrawable(
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248 | R.drawable.markerhighlightbook1);// red+yellow
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249 |
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250 | }
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251 | OverlayMarkerItem highlight_marker_item = new OverlayMarkerItem(
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252 | dm_geopoint, title);
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253 | highlight_marker_item.setMarker(marker);
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254 | highlight_marker_hash_.put(i, highlight_marker_item);
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255 | highlight_marker_overlay_.addOverlay(highlight_marker_item);
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256 |
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257 | try {
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258 | // Cue up audio alert
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259 | String audio_dir = "/sdcard/";// currently all file
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260 | // String audio_dir = tippleActivity.audioDirectory;
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261 | File alert_file = new File(audio_dir,
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262 | "BeepMorseSonar.wav");
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263 | String alert_filename = alert_file.getAbsolutePath();
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264 |
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265 | MediaPlayer mp = new MediaPlayer();
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266 | mp.setDataSource(alert_filename);
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267 | mp.prepare();
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268 | mp.start();
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269 | } catch (Exception e) {
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270 | System.err
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271 | .println("Failed to play audio alert for active GPS location");
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272 | e.printStackTrace();
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273 | }
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274 |
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275 | // Now record the fact we've been here
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276 | prev_locations_.add(place);
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277 |
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278 | }
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279 |
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280 | }
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281 |
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282 | else if (pixel_distance >= outside_pixel_distance) {
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283 |
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284 | if (curr_locations_.contains(place)) {
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285 | curr_locations_.remove(place);
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286 | OverlayMarkerItem highlight_marker_item = highlight_marker_hash_
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287 | .remove(i);
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288 | highlight_marker_overlay_
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289 | .removeOverlay(highlight_marker_item);
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290 |
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291 | }
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292 | }
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293 | }
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294 | }
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295 |
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296 | public void onLocationChanged(Location loc) {
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297 |
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298 | if (loc != null) {
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299 |
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300 | System.err
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301 | .println("TipLocationListener::onLocationChaged -- start");
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302 | lastKnownLocation = loc;
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303 |
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304 | if (getLock()) {
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305 | updateActiveLocations(loc);
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306 | freeLock();
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307 | }
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308 |
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309 | DecimalFormat truncPlaces = new DecimalFormat("0.00000");
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310 | double longitude = loc.getLongitude();
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311 | double latitude = loc.getLatitude();
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312 |
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313 | String trunc_long = truncPlaces.format(longitude);
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314 | String trunc_lat = truncPlaces.format(latitude);
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315 |
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316 | String text_mess = "(Long,Lat): (" + trunc_long + "," + trunc_lat
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317 | + ")";
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318 | text_view_.setText(text_mess);
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319 | // location aware
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320 | GeoPoint point = new GeoPoint(latitude, longitude);
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321 | // Use the following line if you want to map to auto center on the
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322 | // GPS location
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323 | boolean centre_on_gps_loc = tippleActivity.sharedPreferences
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324 | .getBoolean("centreOnGPSLoc", false);
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325 | if (centre_on_gps_loc) {
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326 | MapController map_controller = map_view_.getController();
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327 | if (map_controller != null) {
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328 | map_controller.setCenter(point);
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329 | }
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330 | }
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331 | }
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332 | // System.err.println("TipLocationListener::onLocationChaged -- finished");
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333 | }
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334 |
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335 | @Override
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336 | public void onProviderDisabled(String provider) {
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337 | // TODO Auto-generated method stub
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338 | System.err.println("TipLocationListener::onProviderDisabled()");
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339 | }
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340 |
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341 | @Override
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342 | public void onProviderEnabled(String provider) {
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343 | // TODO Auto-generated method stub
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344 | System.err.println("TipLocationListener::onProviderEnabled()");
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345 |
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346 | }
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347 |
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348 | @Override
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349 | public void onStatusChanged(String provider, int status, Bundle extras) {
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350 | // TODO Auto-generated method stub
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351 | System.err.println("TipLocationListener::onStatusChanged()");
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352 |
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353 | }
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354 | }
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