github/cordova-android
github/cordova-android
3
0
Fork 1
mirror of https://github.com/apache/cordova-android.git synced 2025-02-20 23:56:20 +08:00
Code Issues Packages Projects Releases Wiki Activity

Update

Browse Source
This commit is contained in:
Bryce Curtis 2012-05-14 23:18:26 -05:00
parent d44d9ddca6
commit 01abb32025
1 changed files with 93 additions and 92 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

185
framework/src/org/apache/cordova/GeoBroker.java
View File

@ -38,7 +38,7 @@ public class GeoBroker extends Plugin {
private GPSListener gpsListener;
private NetworkListener networkListener;
private LocationManager locationManager;
/**
* Constructor.
*/
@ -54,65 +54,65 @@ public class GeoBroker extends Plugin {
* @return A PluginResult object with a status and message.
*/
public PluginResult execute(String action, JSONArray args, String callbackId) {
if (this.locationManager == null) {
this.locationManager = (LocationManager) this.ctx.getSystemService(Context.LOCATION_SERVICE);
this.networkListener = new NetworkListener(this.locationManager, this);
this.gpsListener = new GPSListener(this.locationManager, this);
}
if (this.locationManager == null) {
this.locationManager = (LocationManager) this.ctx.getActivity().getSystemService(Context.LOCATION_SERVICE);
this.networkListener = new NetworkListener(this.locationManager, this);
this.gpsListener = new GPSListener(this.locationManager, this);
}
PluginResult.Status status = PluginResult.Status.NO_RESULT;
String message = "";
PluginResult result = new PluginResult(status, message);
result.setKeepCallback(true);
try {
if (action.equals("getLocation")) {
boolean enableHighAccuracy = args.getBoolean(0);
int maximumAge = args.getInt(1);
Location last = this.locationManager.getLastKnownLocation((enableHighAccuracy ? LocationManager.GPS_PROVIDER : LocationManager.NETWORK_PROVIDER));
// Check if we can use lastKnownLocation to get a quick reading and use less battery
if ((System.currentTimeMillis() - last.getTime()) <= maximumAge) {
result = new PluginResult(PluginResult.Status.OK, this.returnLocationJSON(last));
} else {
this.getCurrentLocation(callbackId, enableHighAccuracy);
}
boolean enableHighAccuracy = args.getBoolean(0);
int maximumAge = args.getInt(1);
Location last = this.locationManager.getLastKnownLocation((enableHighAccuracy ? LocationManager.GPS_PROVIDER : LocationManager.NETWORK_PROVIDER));
// Check if we can use lastKnownLocation to get a quick reading and use less battery
if ((System.currentTimeMillis() - last.getTime()) <= maximumAge) {
result = new PluginResult(PluginResult.Status.OK, this.returnLocationJSON(last));
} else {
this.getCurrentLocation(callbackId, enableHighAccuracy);
}
}
else if (action.equals("addWatch")) {
String id = args.getString(0);
boolean enableHighAccuracy = args.getBoolean(1);
this.addWatch(id, callbackId, enableHighAccuracy);
String id = args.getString(0);
boolean enableHighAccuracy = args.getBoolean(1);
this.addWatch(id, callbackId, enableHighAccuracy);
}
else if (action.equals("clearWatch")) {
String id = args.getString(0);
this.clearWatch(id);
String id = args.getString(0);
this.clearWatch(id);
}
} catch (JSONException e) {
result = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage());
result = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage());
}
return result;
}
private void clearWatch(String id) {
this.gpsListener.clearWatch(id);
this.networkListener.clearWatch(id);
}
private void getCurrentLocation(String callbackId, boolean enableHighAccuracy) {
if (enableHighAccuracy) {
this.gpsListener.addCallback(callbackId);
} else {
this.networkListener.addCallback(callbackId);
}
}
private void addWatch(String timerId, String callbackId, boolean enableHighAccuracy) {
if (enableHighAccuracy) {
this.gpsListener.addWatch(timerId, callbackId);
} else {
this.networkListener.addWatch(timerId, callbackId);
}
this.gpsListener.clearWatch(id);
this.networkListener.clearWatch(id);
}
/**
private void getCurrentLocation(String callbackId, boolean enableHighAccuracy) {
if (enableHighAccuracy) {
this.gpsListener.addCallback(callbackId);
} else {
this.networkListener.addCallback(callbackId);
}
}
private void addWatch(String timerId, String callbackId, boolean enableHighAccuracy) {
if (enableHighAccuracy) {
this.gpsListener.addWatch(timerId, callbackId);
} else {
this.networkListener.addWatch(timerId, callbackId);
}
}
/**
* Identifies if action to be executed returns a value and should be run synchronously.
*
* @param action The action to execute
@ -122,65 +122,66 @@ public class GeoBroker extends Plugin {
// Starting listeners is easier to run on main thread, so don't run async.
return true;
}
/**
* Called when the activity is to be shut down.
* Stop listener.
*/
public void onDestroy() {
this.networkListener.destroy();
this.gpsListener.destroy();
this.networkListener.destroy();
this.gpsListener.destroy();
this.networkListener = null;
this.gpsListener = null;
}
public JSONObject returnLocationJSON(Location loc) {
JSONObject o = new JSONObject();
try {
o.put("latitude", loc.getLatitude());
o.put("longitude", loc.getLongitude());
o.put("altitude", (loc.hasAltitude() ? loc.getAltitude() : null));
o.put("accuracy", loc.getAccuracy());
o.put("heading", (loc.hasBearing() ? (loc.hasSpeed() ? loc.getBearing() : null) : null));
o.put("speed", loc.getSpeed());
o.put("timestamp", loc.getTime());
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return o;
}
public void win(Location loc, String callbackId) {
PluginResult result = new PluginResult(PluginResult.Status.OK, this.returnLocationJSON(loc));
this.success(result, callbackId);
}
/**
* Location failed. Send error back to JavaScript.
*
* @param code The error code
* @param msg The error message
* @throws JSONException
*/
public void fail(int code, String msg, String callbackId) {
JSONObject obj = new JSONObject();
String backup = null;
try {
obj.put("code", code);
obj.put("message", msg);
} catch (JSONException e) {
obj = null;
backup = "{'code':" + code + ",'message':'" + msg.replaceAll("'", "\'") + "'}";
}
PluginResult result;
if (obj != null) {
result = new PluginResult(PluginResult.Status.ERROR, obj);
} else {
result = new PluginResult(PluginResult.Status.ERROR, backup);
}
this.error(result, callbackId);
}
JSONObject o = new JSONObject();
try {
o.put("latitude", loc.getLatitude());
o.put("longitude", loc.getLongitude());
o.put("altitude", (loc.hasAltitude() ? loc.getAltitude() : null));
o.put("accuracy", loc.getAccuracy());
o.put("heading", (loc.hasBearing() ? (loc.hasSpeed() ? loc.getBearing() : null) : null));
o.put("speed", loc.getSpeed());
o.put("timestamp", loc.getTime());
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return o;
}
public void win(Location loc, String callbackId) {
PluginResult result = new PluginResult(PluginResult.Status.OK, this.returnLocationJSON(loc));
this.success(result, callbackId);
}
/**
* Location failed. Send error back to JavaScript.
*
* @param code The error code
* @param msg The error message
* @throws JSONException
*/
public void fail(int code, String msg, String callbackId) {
JSONObject obj = new JSONObject();
String backup = null;
try {
obj.put("code", code);
obj.put("message", msg);
} catch (JSONException e) {
obj = null;
backup = "{'code':" + code + ",'message':'" + msg.replaceAll("'", "\'") + "'}";
}
PluginResult result;
if (obj != null) {
result = new PluginResult(PluginResult.Status.ERROR, obj);
} else {
result = new PluginResult(PluginResult.Status.ERROR, backup);
}
this.error(result, callbackId);
}
}