display geo uris as location. show 'send loction' in share menu if request location intent can be resolved

1 files changed, 71 insertions, 0 deletions

diff --git a/src/main/java/eu/siacs/conversations/utils/GeoHelper.java b/src/main/java/eu/siacs/conversations/utils/GeoHelper.java
new file mode 100644
index 00000000..f7dda936
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/utils/GeoHelper.java
@@ -0,0 +1,71 @@
+package eu.siacs.conversations.utils;
+
+import android.content.Intent;
+import android.net.Uri;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.util.ArrayList;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import eu.siacs.conversations.entities.Conversation;
+import eu.siacs.conversations.entities.Message;
+
+public class GeoHelper {
+	private static Pattern GEO_URI = Pattern.compile("geo:([\\-0-9.]+),([\\-0-9.]+)(?:,([\\-0-9.]+))?(?:\\?(.*))?", Pattern.CASE_INSENSITIVE);
+
+	public static boolean isGeoUri(String body) {
+		return body != null && GEO_URI.matcher(body).matches();
+	}
+
+	public static ArrayList<Intent> createGeoIntentsFromMessage(Message message) {
+		final ArrayList<Intent> intents = new ArrayList();
+		Matcher matcher = GEO_URI.matcher(message.getBody());
+		if (!matcher.matches()) {
+			return intents;
+		}
+		double latitude;
+		double longitude;
+		try {
+			latitude = Double.parseDouble(matcher.group(1));
+			if (latitude > 90.0 || latitude < -90.0) {
+				return intents;
+			}
+			longitude = Double.parseDouble(matcher.group(2));
+			if (longitude > 180.0 || longitude < -180.0) {
+				return intents;
+			}
+		} catch (NumberFormatException nfe) {
+			return intents;
+		}
+		final Conversation conversation = message.getConversation();
+		String label;
+		if (conversation.getMode() == Conversation.MODE_SINGLE && message.getStatus() == Message.STATUS_RECEIVED) {
+			try {
+				label = "(" + URLEncoder.encode(message.getConversation().getName(), "UTF-8") + ")";
+			} catch (UnsupportedEncodingException e) {
+				label = "";
+			}
+		} else {
+			label = "";
+		}
+
+		Intent locationPluginIntent = new Intent("eu.siacs.conversations.location.show");
+		locationPluginIntent.putExtra("latitude",latitude);
+		locationPluginIntent.putExtra("longitude",longitude);
+		if (conversation.getMode() == Conversation.MODE_SINGLE && message.getStatus() == Message.STATUS_RECEIVED) {
+			locationPluginIntent.putExtra("name",conversation.getName());
+		}
+		intents.add(locationPluginIntent);
+
+		Intent geoIntent = new Intent(Intent.ACTION_VIEW);
+		geoIntent.setData(Uri.parse("geo:" + String.valueOf(latitude) + "," + String.valueOf(longitude) + "?q=" + String.valueOf(latitude) + "," + String.valueOf(longitude) + label));
+		intents.add(geoIntent);
+
+		Intent httpIntent = new Intent(Intent.ACTION_VIEW);
+		httpIntent.setData(Uri.parse("https://maps.google.com/maps?q=loc:"+String.valueOf(latitude) + "," + String.valueOf(longitude) +label));
+		intents.add(httpIntent);
+		return intents;
+	}
+}