restructured geolocation plugin
Project: http://git-wip-us.apache.org/repos/asf/incubator-cordova-android/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-cordova-android/commit/724ea49f Tree: http://git-wip-us.apache.org/repos/asf/incubator-cordova-android/tree/724ea49f Diff: http://git-wip-us.apache.org/repos/asf/incubator-cordova-android/diff/724ea49f Branch: refs/heads/CordovaWebView Commit: 724ea49f0b4e26286fda38b380f3f5d128ad5d15 Parents: 6fc2a3b Author: Fil Maj <maj....@gmail.com> Authored: Fri Mar 30 01:48:12 2012 -0700 Committer: Fil Maj <maj....@gmail.com> Committed: Mon May 7 16:09:20 2012 -0700 ---------------------------------------------------------------------- .../apache/cordova/CordovaLocationListener.java | 198 ++++++++++++ framework/src/org/apache/cordova/GeoBroker.java | 243 ++++++++------- framework/src/org/apache/cordova/GeoListener.java | 133 -------- framework/src/org/apache/cordova/GpsListener.java | 138 +-------- .../src/org/apache/cordova/NetworkListener.java | 143 +-------- 5 files changed, 354 insertions(+), 501 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-cordova-android/blob/724ea49f/framework/src/org/apache/cordova/CordovaLocationListener.java ---------------------------------------------------------------------- diff --git a/framework/src/org/apache/cordova/CordovaLocationListener.java b/framework/src/org/apache/cordova/CordovaLocationListener.java new file mode 100755 index 0000000..6eccfb4 --- /dev/null +++ b/framework/src/org/apache/cordova/CordovaLocationListener.java @@ -0,0 +1,198 @@ +/* + Licensed to the Apache Software Foundation (ASF) under one + or more contributor license agreements. See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you under the Apache License, Version 2.0 (the + "License"); you may not use this file except in compliance + with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, + software distributed under the License is distributed on an + "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + KIND, either express or implied. See the License for the + specific language governing permissions and limitations + under the License. +*/ +package org.apache.cordova; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; +import java.util.Map; + +import android.location.Location; +import android.location.LocationListener; +import android.location.LocationManager; +import android.os.Bundle; +import android.util.Log; + +public class CordovaLocationListener implements LocationListener { + public static int PERMISSION_DENIED = 1; + public static int POSITION_UNAVAILABLE = 2; + public static int TIMEOUT = 3; + + protected LocationManager locationManager; + private GeoBroker owner; + protected boolean running = false; + + public HashMap<String, String> watches = new HashMap<String, String>(); + private List<String> callbacks = new ArrayList<String>(); + + private String TAG = "[Cordova Location Listener]"; + + public CordovaLocationListener(LocationManager manager, GeoBroker broker, String tag) { + this.locationManager = manager; + this.owner = broker; + this.TAG = tag; + } + + protected void fail(int code, String message) { + for (String callbackId: this.callbacks) + { + this.owner.fail(code, message, callbackId); + } + this.callbacks.clear(); + + Iterator it = this.watches.entrySet().iterator(); + while (it.hasNext()) { + Map.Entry pairs = (Map.Entry)it.next(); + this.owner.fail(code, message, (String)pairs.getValue()); + } + } + + private void win(Location loc) { + for (String callbackId: this.callbacks) + { + this.owner.win(loc, callbackId); + } + this.callbacks.clear(); + + Iterator it = this.watches.entrySet().iterator(); + while (it.hasNext()) { + Map.Entry pairs = (Map.Entry)it.next(); + this.owner.win(loc, (String)pairs.getValue()); + } + } + + /** + * Location Listener Methods + */ + + /** + * Called when the provider is disabled by the user. + * + * @param provider + */ + public void onProviderDisabled(String provider) { + Log.d(TAG, "Location provider '" + provider + "' disabled."); + this.fail(POSITION_UNAVAILABLE, "GPS provider disabled."); + } + + /** + * Called when the provider is enabled by the user. + * + * @param provider + */ + public void onProviderEnabled(String provider) { + Log.d(TAG, "Location provider "+ provider + " has been enabled"); + } + + /** + * Called when the provider status changes. This method is called when a + * provider is unable to fetch a location or if the provider has recently + * become available after a period of unavailability. + * + * @param provider + * @param status + * @param extras + */ + public void onStatusChanged(String provider, int status, Bundle extras) { + Log.d(TAG, "The status of the provider " + provider + " has changed"); + if (status == 0) { + Log.d(TAG, provider + " is OUT OF SERVICE"); + this.fail(CordovaLocationListener.POSITION_UNAVAILABLE, "Provider " + provider + " is out of service."); + } + else if (status == 1) { + Log.d(TAG, provider + " is TEMPORARILY_UNAVAILABLE"); + } + else { + Log.d(TAG, provider + " is AVAILABLE"); + } + } + + /** + * Called when the location has changed. + * + * @param location + */ + public void onLocationChanged(Location location) { + Log.d(TAG, "The location has been updated!"); + this.win(location); + } + + // PUBLIC + + public int size() { + return this.watches.size() + this.callbacks.size(); + } + + public void addWatch(String timerId, String callbackId) { + this.watches.put(timerId, callbackId); + if (this.size() == 1) { + this.start(); + } + } + public void addCallback(String callbackId) { + this.callbacks.add(callbackId); + if (this.size() == 1) { + this.start(); + } + } + public void clearWatch(String timerId) { + if (this.watches.containsKey(timerId)) { + this.watches.remove(timerId); + } + if (this.size() == 0) { + this.stop(); + } + } + + /** + * Destroy listener. + */ + public void destroy() { + this.stop(); + } + + // LOCAL + + /** + * Start requesting location updates. + * + * @param interval + */ + private void start() { + if (!this.running) { + if (this.locationManager.getProvider(LocationManager.NETWORK_PROVIDER) != null) { + this.running = true; + this.locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 60000, 10, this); + } else { + this.fail(CordovaLocationListener.POSITION_UNAVAILABLE, "Network provider is not available."); + } + } + } + + /** + * Stop receiving location updates. + */ + private void stop() { + if (this.running) { + this.locationManager.removeUpdates(this); + this.running = false; + } + } +} http://git-wip-us.apache.org/repos/asf/incubator-cordova-android/blob/724ea49f/framework/src/org/apache/cordova/GeoBroker.java ---------------------------------------------------------------------- diff --git a/framework/src/org/apache/cordova/GeoBroker.java b/framework/src/org/apache/cordova/GeoBroker.java index aa89d5a..b8cfe4e 100755 --- a/framework/src/org/apache/cordova/GeoBroker.java +++ b/framework/src/org/apache/cordova/GeoBroker.java @@ -18,14 +18,15 @@ */ package org.apache.cordova; -import java.util.HashMap; -import java.util.Map.Entry; - import org.apache.cordova.api.Plugin; import org.apache.cordova.api.PluginResult; import org.json.JSONArray; import org.json.JSONException; +import org.json.JSONObject; +import android.content.Context; +import android.location.Location; +import android.location.LocationManager; /* * This class is the interface to the Geolocation. It's bound to the geo object. @@ -34,132 +35,142 @@ import org.json.JSONException; */ public class GeoBroker extends Plugin { - - // List of gGeolocation listeners - private HashMap<String, GeoListener> geoListeners; - private GeoListener global; + private GPSListener gpsListener; + private NetworkListener networkListener; + private LocationManager locationManager; - /** - * Constructor. - */ - public GeoBroker() { - this.geoListeners = new HashMap<String, GeoListener>(); + /** + * Constructor. + */ + public GeoBroker() { + this.locationManager = (LocationManager) this.ctx.getSystemService(Context.LOCATION_SERVICE); + this.networkListener = new NetworkListener(this.locationManager, this); + this.gpsListener = new GPSListener(this.locationManager, this); + } + + /** + * Executes the request and returns PluginResult. + * + * @param action The action to execute. + * @param args JSONArry of arguments for the plugin. + * @param callbackId The callback id used when calling back into JavaScript. + * @return A PluginResult object with a status and message. + */ + public PluginResult execute(String action, JSONArray args, String callbackId) { + 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, GeoBroker.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); + } + else if (action.equals("clearWatch")) { + String id = args.getString(0); + this.clearWatch(id); + } + } catch (JSONException e) { + result = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage()); + } + return result; + } + + private void clearWatch(String id) { + this.gpsListener.clearWatch(id); + this.networkListener.clearWatch(id); } - /** - * Executes the request and returns PluginResult. - * - * @param action The action to execute. - * @param args JSONArry of arguments for the plugin. - * @param callbackId The callback id used when calling back into JavaScript. - * @return A PluginResult object with a status and message. - */ - public PluginResult execute(String action, JSONArray args, String callbackId) { - PluginResult.Status status = PluginResult.Status.OK; - String result = ""; - - try { - if (action.equals("getCurrentLocation")) { - this.getCurrentLocation(args.getBoolean(0), args.getInt(1), args.getInt(2)); - } - else if (action.equals("start")) { - String s = this.start(args.getString(0), args.getBoolean(1), args.getInt(2), args.getInt(3)); - return new PluginResult(status, s); - } - else if (action.equals("stop")) { - this.stop(args.getString(0)); - } - return new PluginResult(status, result); - } catch (JSONException e) { - return new PluginResult(PluginResult.Status.JSON_EXCEPTION); + 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 - * @return T=returns value - */ - public boolean isSynch(String action) { - // Starting listeners is easier to run on main thread, so don't run async. - return true; - } + * Identifies if action to be executed returns a value and should be run synchronously. + * + * @param action The action to execute + * @return T=returns value + */ + public boolean isSynch(String action) { + // 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() { - java.util.Set<Entry<String,GeoListener>> s = this.geoListeners.entrySet(); - java.util.Iterator<Entry<String,GeoListener>> it = s.iterator(); - while (it.hasNext()) { - Entry<String,GeoListener> entry = it.next(); - GeoListener listener = entry.getValue(); - listener.destroy(); - } - this.geoListeners.clear(); - if (this.global != null) { - this.global.destroy(); - } - this.global = null; + this.networkListener.destroy(); + this.gpsListener.destroy(); + this.networkListener = null; + this.gpsListener = null; } - //-------------------------------------------------------------------------- - // LOCAL METHODS - //-------------------------------------------------------------------------- - - /** - * Get current location. - * The result is returned to JavaScript via a callback. - * - * @param enableHighAccuracy - * @param timeout - * @param maximumAge - */ - public void getCurrentLocation(boolean enableHighAccuracy, int timeout, int maximumAge) { - - // Create a geolocation listener just for getCurrentLocation and call it "global" - if (this.global == null) { - this.global = new GeoListener(this, "global", maximumAge); - } - else { - this.global.start(maximumAge); - } - } - - /** - * Start geolocation listener and add to listener list. - * - * @param key The listener id - * @param enableHighAccuracy - * @param timeout - * @param maximumAge - * @return - */ - public String start(String key, boolean enableHighAccuracy, int timeout, int maximumAge) { - - // Make sure this listener doesn't already exist - GeoListener listener = geoListeners.get(key); - if (listener == null) { - listener = new GeoListener(this, key, maximumAge); - geoListeners.put(key, listener); - } - - // Start it - listener.start(maximumAge); - return key; - } - - /** - * Stop geolocation listener and remove from listener list. - * - * @param key The listener id - */ - public void stop(String key) { - GeoListener listener = geoListeners.remove(key); - if (listener != null) { - listener.stop(); - } - } + public static String returnLocationJSON(Location loc) { + return "{" + + "'latitude':" + loc.getLatitude() + "," + + "'longitude':" + loc.getLongitude() + "," + + "'altitude':" + (loc.hasAltitude() ? loc.getAltitude() : "null") + "," + + "'accuracy':" + loc.getAccuracy() + "," + + "'heading':" + (loc.hasBearing() ? (loc.hasSpeed() ? loc.getBearing() : "NaN") : "null") + "," + + "'speed':" + loc.getSpeed() + "," + + "'timestamp':" + loc.getTime() + + "}"; + } + public void win(Location loc, String callbackId) { + PluginResult result = new PluginResult(PluginResult.Status.OK, GeoBroker.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); + } } http://git-wip-us.apache.org/repos/asf/incubator-cordova-android/blob/724ea49f/framework/src/org/apache/cordova/GeoListener.java ---------------------------------------------------------------------- diff --git a/framework/src/org/apache/cordova/GeoListener.java b/framework/src/org/apache/cordova/GeoListener.java deleted file mode 100755 index fdfcc42..0000000 --- a/framework/src/org/apache/cordova/GeoListener.java +++ /dev/null @@ -1,133 +0,0 @@ -/* - Licensed to the Apache Software Foundation (ASF) under one - or more contributor license agreements. See the NOTICE file - distributed with this work for additional information - regarding copyright ownership. The ASF licenses this file - to you under the Apache License, Version 2.0 (the - "License"); you may not use this file except in compliance - with the License. You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, - software distributed under the License is distributed on an - "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - KIND, either express or implied. See the License for the - specific language governing permissions and limitations - under the License. -*/ -package org.apache.cordova; - -import android.content.Context; -import android.location.Location; -import android.location.LocationManager; -import android.webkit.WebView; - -public class GeoListener { - public static int PERMISSION_DENIED = 1; - public static int POSITION_UNAVAILABLE = 2; - public static int TIMEOUT = 3; - - String id; // Listener ID - String successCallback; // - String failCallback; - GpsListener mGps; // GPS listener - NetworkListener mNetwork; // Network listener - LocationManager mLocMan; // Location manager - - private GeoBroker broker; // GeoBroker object - - int interval; - - /** - * Constructor. - * - * @param id Listener id - * @param ctx - * @param time Sampling period in msec - * @param appView - */ - GeoListener(GeoBroker broker, String id, int time) { - this.id = id; - this.interval = time; - this.broker = broker; - this.mGps = null; - this.mNetwork = null; - this.mLocMan = (LocationManager) broker.ctx.getSystemService(Context.LOCATION_SERVICE); - - // If GPS provider, then create and start GPS listener - if (this.mLocMan.getProvider(LocationManager.GPS_PROVIDER) != null) { - this.mGps = new GpsListener(broker.ctx, time, this); - } - - // If network provider, then create and start network listener - if (this.mLocMan.getProvider(LocationManager.NETWORK_PROVIDER) != null) { - this.mNetwork = new NetworkListener(broker.ctx, time, this); - } - } - - /** - * Destroy listener. - */ - public void destroy() { - this.stop(); - } - - /** - * Location found. Send location back to JavaScript. - * - * @param loc - */ - void success(Location loc) { - - String params = loc.getLatitude() + "," + loc.getLongitude() + ", " + loc.getAltitude() + - "," + loc.getAccuracy() + "," + loc.getBearing() + - "," + loc.getSpeed() + "," + loc.getTime(); - - if (id == "global") { - this.stop(); - } - this.broker.sendJavascript("navigator._geo.success('" + id + "'," + params + ");"); - } - - /** - * Location failed. Send error back to JavaScript. - * - * @param code The error code - * @param msg The error message - */ - void fail(int code, String msg) { - this.broker.sendJavascript("navigator._geo.fail('" + this.id + "', '" + code + "', '" + msg + "');"); - this.stop(); - } - - /** - * Start retrieving location. - * - * @param interval - */ - void start(int interval) { - if (this.mGps != null) { - this.mGps.start(interval); - } - if (this.mNetwork != null) { - this.mNetwork.start(interval); - } - if (this.mNetwork == null && this.mGps == null) { - this.fail(POSITION_UNAVAILABLE, "No location providers available."); - } - } - - /** - * Stop listening for location. - */ - void stop() { - if (this.mGps != null) { - this.mGps.stop(); - } - if (this.mNetwork != null) { - this.mNetwork.stop(); - } - } - -} http://git-wip-us.apache.org/repos/asf/incubator-cordova-android/blob/724ea49f/framework/src/org/apache/cordova/GpsListener.java ---------------------------------------------------------------------- diff --git a/framework/src/org/apache/cordova/GpsListener.java b/framework/src/org/apache/cordova/GpsListener.java index f000692..5010736 100755 --- a/framework/src/org/apache/cordova/GpsListener.java +++ b/framework/src/org/apache/cordova/GpsListener.java @@ -19,145 +19,37 @@ package org.apache.cordova; -import org.apache.cordova.api.CordovaInterface; - -import android.content.Context; -import android.location.Location; import android.location.LocationManager; -import android.location.LocationListener; -import android.os.Bundle; /** * This class handles requests for GPS location services. * */ -public class GpsListener implements LocationListener { - - private CordovaInterface mCtx; // CordovaActivity object - - private LocationManager mLocMan; // Location manager object - private GeoListener owner; // Geolistener object (parent) - private boolean hasData = false; // Flag indicates if location data is available in cLoc - private Location cLoc; // Last recieved location - private boolean running = false; // Flag indicates if listener is running - - /** - * Constructor. - * Automatically starts listening. - * - * @param ctx - * @param interval - * @param m - */ - public GpsListener(CordovaInterface ctx, int interval, GeoListener m) { - this.owner = m; - this.mCtx = ctx; - this.mLocMan = (LocationManager) this.mCtx.getSystemService(Context.LOCATION_SERVICE); - this.running = false; - this.start(interval); - } - - /** - * Get last location. - * - * @return Location object - */ - public Location getLocation() { - this.cLoc = this.mLocMan.getLastKnownLocation(LocationManager.GPS_PROVIDER); - if (this.cLoc != null) { - this.hasData = true; - } - return this.cLoc; - } - - /** - * Called when the provider is disabled by the user. - * - * @param provider - */ - public void onProviderDisabled(String provider) { - this.owner.fail(GeoListener.POSITION_UNAVAILABLE, "GPS provider disabled."); - } - - /** - * Called when the provider is enabled by the user. - * - * @param provider - */ - public void onProviderEnabled(String provider) { - System.out.println("GpsListener: The provider "+ provider + " is enabled"); +public class GPSListener extends CordovaLocationListener { + public GPSListener(LocationManager locationManager, GeoBroker m) { + super(locationManager, m, "[Cordova GPSListener]"); + if (this.locationManager.getProvider(LocationManager.GPS_PROVIDER) != null) { + // If network provider, then create and start network listener + this.locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 60000, 0, this); + } else { + this.fail(CordovaLocationListener.POSITION_UNAVAILABLE, "GPS provider is not available."); + } } - /** - * Called when the provider status changes. This method is called when a - * provider is unable to fetch a location or if the provider has recently - * become available after a period of unavailability. - * - * @param provider - * @param status - * @param extras - */ - public void onStatusChanged(String provider, int status, Bundle extras) { - System.out.println("GpsListener: The status of the provider " + provider + " has changed"); - if (status == 0) { - System.out.println("GpsListener: " + provider + " is OUT OF SERVICE"); - this.owner.fail(GeoListener.POSITION_UNAVAILABLE, "GPS out of service."); - } - else if (status == 1) { - System.out.println("GpsListener: " + provider + " is TEMPORARILY_UNAVAILABLE"); - } - else { - System.out.println("GpsListener: " + provider + " is Available"); - } - } - - /** - * Called when the location has changed. - * - * @param location - */ - public void onLocationChanged(Location location) { - System.out.println("GpsListener: The location has been updated!"); - this.hasData = true; - this.cLoc = location; - this.owner.success(location); - } - - /** - * Determine if location data is available. - * - * @return - */ - public boolean hasLocation() { - return this.hasData; - } /** * Start requesting location updates. * * @param interval */ - public void start(int interval) { + public void start() { if (!this.running) { - this.running = true; - this.mLocMan.requestLocationUpdates(LocationManager.GPS_PROVIDER, interval, 0, this); - this.getLocation(); - - // If GPS provider has data, then send now - if (this.hasData) { - this.owner.success(this.cLoc); + if (this.locationManager.getProvider(LocationManager.GPS_PROVIDER) != null) { + this.running = true; + this.locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 60000, 0, this); + } else { + this.fail(CordovaLocationListener.POSITION_UNAVAILABLE, "GPS provider is not available."); } } } - - /** - * Stop receiving location updates. - */ - public void stop() { - if (this.running) { - this.mLocMan.removeUpdates(this); - } - this.running = false; - } - } http://git-wip-us.apache.org/repos/asf/incubator-cordova-android/blob/724ea49f/framework/src/org/apache/cordova/NetworkListener.java ---------------------------------------------------------------------- diff --git a/framework/src/org/apache/cordova/NetworkListener.java b/framework/src/org/apache/cordova/NetworkListener.java index fd3fbd5..050560a 100755 --- a/framework/src/org/apache/cordova/NetworkListener.java +++ b/framework/src/org/apache/cordova/NetworkListener.java @@ -16,138 +16,23 @@ specific language governing permissions and limitations under the License. */ -package org.apache.cordova; -import org.apache.cordova.api.CordovaInterface; +package org.apache.cordova; -import android.content.Context; -import android.location.Location; import android.location.LocationManager; -import android.location.LocationListener; -import android.os.Bundle; - -public class NetworkListener implements LocationListener { - - private CordovaInterface mCtx; // CordovaActivity object - - private LocationManager mLocMan; // Location manager object - private GeoListener owner; // Geolistener object (parent) - private boolean hasData = false; // Flag indicates if location data is available in cLoc - private Location cLoc; // Last recieved location - private boolean running = false; // Flag indicates if listener is running - - /** - * Constructor. - * Automatically starts listening. - * - * @param ctx - * @param interval - * @param m - */ - public NetworkListener(CordovaInterface ctx, int interval, GeoListener m) { - this.owner = m; - this.mCtx = ctx; - this.mLocMan = (LocationManager) this.mCtx.getSystemService(Context.LOCATION_SERVICE); - this.running = false; - this.start(interval); - } - - /** - * Get last location. - * - * @return Location object - */ - public Location getLocation() { - this.cLoc = this.mLocMan.getLastKnownLocation(LocationManager.NETWORK_PROVIDER); - if (this.cLoc != null) { - this.hasData = true; - } - return this.cLoc; - } - - /** - * Called when the provider is disabled by the user. - * - * @param provider - */ - public void onProviderDisabled(String provider) { - System.out.println("NetworkListener: The provider " + provider + " is disabled"); - } - - /** - * Called when the provider is enabled by the user. - * - * @param provider - */ - public void onProviderEnabled(String provider) { - System.out.println("NetworkListener: The provider "+ provider + " is enabled"); - } - /** - * Called when the provider status changes. This method is called when a - * provider is unable to fetch a location or if the provider has recently - * become available after a period of unavailability. - * - * @param provider - * @param status - * @param extras - */ - public void onStatusChanged(String provider, int status, Bundle extras) { - System.out.println("NetworkListener: The status of the provider " + provider + " has changed"); - if (status == 0) { - System.out.println("NetworkListener: " + provider + " is OUT OF SERVICE"); - } - else if (status == 1) { - System.out.println("NetworkListener: " + provider + " is TEMPORARILY_UNAVAILABLE"); - } - else { - System.out.println("NetworkListener: " + provider + " is Available"); - } - } - - /** - * Called when the location has changed. - * - * @param location - */ - public void onLocationChanged(Location location) { - System.out.println("NetworkListener: The location has been updated!"); - this.hasData = true; - this.cLoc = location; - - // The GPS is the primary form of Geolocation in Cordova. - // Only fire the success variables if the GPS is down for some reason. - if (!this.owner.mGps.hasLocation()) { - this.owner.success(location); - } - } - - /** - * Start requesting location updates. - * - * @param interval - */ - public void start(int interval) { - if (!this.running) { - this.running = true; - this.mLocMan.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, interval, 0, this); - this.getLocation(); - - // If Network provider has data but GPS provider doesn't, then send ours - if (this.hasData && !this.owner.mGps.hasLocation()) { - this.owner.success(this.cLoc); - } - } - } - - /** - * Stop receiving location updates. - */ - public void stop() { - if (this.running) { - this.mLocMan.removeUpdates(this); - } - this.running = false; +/** + * This class handles requests for GPS location services. + * + */ +public class NetworkListener extends CordovaLocationListener { + public NetworkListener(LocationManager locationManager, GeoBroker m) { + super(locationManager, m, "[Cordova NetworkListener]"); + if (this.locationManager.getProvider(LocationManager.NETWORK_PROVIDER) != null) { + // If network provider, then create and start network listener + this.locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 60000, 10, this); + } else { + this.fail(CordovaLocationListener.POSITION_UNAVAILABLE, "Network provider is not available."); + } } - }
