altosdroid: Support for sorting rockets by age

Now we can just sort rockets so that the top-most shown is the newest

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/altosdroid/src/org/altusmetrum/AltosDroid/TabMapOffline.java b/altosdroid/src/org/altusmetrum/AltosDroid/TabMapOffline.java
index 4b728c23ffca828488197511db27d9a744a7cb00..296e21225bd55a94127b71c872e8608cb21f40b0 100644 (file)
--- a/altosdroid/src/org/altusmetrum/AltosDroid/TabMapOffline.java
+++ b/altosdroid/src/org/altusmetrum/AltosDroid/TabMapOffline.java
@@ -32,9 +32,10 @@ import android.widget.*;
 import android.location.Location;
 import android.content.*;
 
-class Rocket {
+class Rocket implements Comparable {
        AltosLatLon     position;
        String          name;
+       long            last_packet;
        TabMapOffline   tab;
 
        void paint() {
@@ -42,14 +43,27 @@ class Rocket {
                tab.draw_text(position, name, 0, 3*tab.rocket_bitmap.getHeight()/4);
        }
 
-       void set_position(AltosLatLon position) {
+       void set_position(AltosLatLon position, long last_packet) {
                this.position = position;
+               this.last_packet = last_packet;
        }
 
        Rocket(String name, TabMapOffline tab) {
                this.name = name;
                this.tab = tab;
        }
+
+       public int compareTo(Object o) {
+               Rocket other = (Rocket) o;
+
+               long    diff = last_packet - other.last_packet;
+
+               if (diff > 0)
+                       return 1;
+               if (diff < 0)
+                       return -1;
+               return 0;
+       }
 }
 
 public class TabMapOffline extends AltosDroidTab implements AltosMapInterface {
@@ -137,59 +151,10 @@ public class TabMapOffline extends AltosDroidTab implements AltosMapInterface {
                CYAN,   // stateless
        };
 
-       class MapPath extends AltosMapPath {
-
-               boolean line_in(AltosPointDouble a, AltosPointDouble b) {
-                       final Rect bounds = canvas.getClipBounds();
-                       int left = (int) Math.floor (Math.min((float) a.x, (float) b.x) - stroke_width / 2.0f);
-                       int right = (int) Math.ceil(Math.max((float) a.x, (float) b.x) + stroke_width / 2.0f);
-                       int top = (int) Math.floor(Math.min((float) a.y, (float) b.y) - stroke_width / 2.0f);
-                       int bottom = (int) Math.ceil(Math.max((float) a.y, (float) b.y) + stroke_width / 2.0f);
-
-                       return left < bounds.right && bounds.left < right &&
-                               top < bounds.bottom && bounds.top < bottom;
-               }
-
-               public void paint(AltosMapTransform t) {
-                       AltosPointDouble        prev = null;
-                       int                     cur_color = paint.getColor();
-
-                       for (AltosMapPathPoint point : points) {
-                               AltosPointDouble        cur = t.screen(point.lat_lon);
-
-                               if (prev != null && line_in(prev, cur)) {
-                                       int color;
-                                       if (0 <= point.state && point.state < stateColors.length)
-                                               color = stateColors[point.state];
-                                       else
-                                               color = stateColors[AltosLib.ao_flight_invalid];
-                                       if (color != cur_color) {
-                                               paint.setColor(color);
-                                               cur_color = color;
-                                       }
-                                       canvas.drawLine((float) prev.x, (float) prev.y, (float) cur.x, (float) cur.y, paint);
-                               }
-                               prev = cur;
-                       }
-               }
-
-               public MapPath() {
-                       stroke_width = TabMapOffline.this.stroke_width;
-               }
-       }
-
        public AltosMapPath new_path() {
                return null;
        }
 
-       class MapLine extends AltosMapLine {
-               public void paint(AltosMapTransform t) {
-               }
-
-               public MapLine() {
-               }
-       }
-
        public AltosMapLine new_line() {
                return null;
        }
@@ -423,7 +388,8 @@ public class TabMapOffline extends AltosDroidTab implements AltosMapInterface {
                                        rocket = new Rocket(String.format("%d", serial), this);
                                        rockets.put(serial, rocket);
                                }
-                               rocket.set_position(new AltosLatLon(t_state.gps.lat, t_state.gps.lon));
+                               if (t_state.gps != null)
+                                       rocket.set_position(new AltosLatLon(t_state.gps.lat, t_state.gps.lon), t_state.received_time);
                        }
                }