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https://github.com/apache/cordova-android.git
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Port CompassListener to CordovaPlugin.
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@ -20,8 +20,9 @@ package org.apache.cordova;
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import java.util.List;
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import org.apache.cordova.api.CallbackContext;
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import org.apache.cordova.api.CordovaInterface;
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import org.apache.cordova.api.Plugin;
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import org.apache.cordova.api.CordovaPlugin;
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import org.apache.cordova.api.PluginResult;
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import org.json.JSONArray;
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import org.json.JSONException;
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@ -33,12 +34,13 @@ import android.hardware.SensorEventListener;
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import android.hardware.SensorManager;
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import android.content.Context;
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import android.util.Log;
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import android.os.Handler;
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import android.os.Looper;
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/**
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* This class listens to the compass sensor and stores the latest heading value.
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*/
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public class CompassListener extends Plugin implements SensorEventListener {
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public class CompassListener extends CordovaPlugin implements SensorEventListener {
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public static int STOPPED = 0;
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public static int STARTING = 1;
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@ -56,6 +58,8 @@ public class CompassListener extends Plugin implements SensorEventListener {
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private SensorManager sensorManager;// Sensor manager
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Sensor mSensor; // Compass sensor returned by sensor manager
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private CallbackContext callbackContext;
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/**
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* Constructor.
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*/
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@ -70,24 +74,22 @@ public class CompassListener extends Plugin implements SensorEventListener {
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* get file paths associated with the Activity.
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*
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* @param cordova The context of the main Activity.
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* @param webView The CordovaWebView Cordova is running in.
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*/
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public void setContext(CordovaInterface cordova) {
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super.setContext(cordova);
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public void initialize(CordovaInterface cordova, CordovaWebView webView) {
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super.initialize(cordova, webView);
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this.sensorManager = (SensorManager) cordova.getActivity().getSystemService(Context.SENSOR_SERVICE);
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}
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/**
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* Executes the request and returns PluginResult.
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*
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* @param action The action to execute.
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* @param args JSONArry of arguments for the plugin.
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* @param callbackId The callback id used when calling back into JavaScript.
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* @return A PluginResult object with a status and message.
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* @param action The action to execute.
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* @param args JSONArry of arguments for the plugin.
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* @param callbackS=Context The callback id used when calling back into JavaScript.
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* @return True if the action was valid.
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*/
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public PluginResult execute(String action, JSONArray args, String callbackId) {
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PluginResult.Status status = PluginResult.Status.OK;
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String result = "";
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public boolean execute(String action, JSONArray args, CallbackContext callbackContext) {
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try {
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if (action.equals("start")) {
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this.start();
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@ -97,68 +99,42 @@ public class CompassListener extends Plugin implements SensorEventListener {
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}
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else if (action.equals("getStatus")) {
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int i = this.getStatus();
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return new PluginResult(status, i);
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callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, i));
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}
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else if (action.equals("getHeading")) {
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// If not running, then this is an async call, so don't worry about waiting
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if (this.status != CompassListener.RUNNING) {
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int r = this.start();
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if (r == CompassListener.ERROR_FAILED_TO_START) {
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return new PluginResult(PluginResult.Status.IO_EXCEPTION, CompassListener.ERROR_FAILED_TO_START);
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callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, CompassListener.ERROR_FAILED_TO_START));
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return true;
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}
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// Wait until running
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long timeout = 2000;
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while ((this.status == STARTING) && (timeout > 0)) {
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timeout = timeout - 100;
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) {
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e.printStackTrace();
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// Set a timeout callback on the main thread.
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Handler handler = new Handler(Looper.getMainLooper());
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handler.postDelayed(new Runnable() {
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@Override
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public void run() {
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CompassListener.this.timeout();
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}
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}
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if (timeout == 0) {
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return new PluginResult(PluginResult.Status.IO_EXCEPTION, CompassListener.ERROR_FAILED_TO_START);
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}
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}, 2000);
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}
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return new PluginResult(status, getCompassHeading());
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callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, getCompassHeading()));
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}
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else if (action.equals("setTimeout")) {
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this.setTimeout(args.getLong(0));
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}
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else if (action.equals("getTimeout")) {
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long l = this.getTimeout();
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return new PluginResult(status, l);
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callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, l));
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} else {
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// Unsupported action
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return new PluginResult(PluginResult.Status.INVALID_ACTION);
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return false;
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}
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return new PluginResult(status, result);
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} catch (JSONException e) {
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e.printStackTrace();
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return new PluginResult(PluginResult.Status.JSON_EXCEPTION);
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callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION));
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}
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}
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/**
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* Identifies if action to be executed returns a value and should be run synchronously.
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*
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* @param action The action to execute
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* @return T=returns value
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*/
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public boolean isSynch(String action) {
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if (action.equals("getStatus")) {
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return true;
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}
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else if (action.equals("getHeading")) {
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// Can only return value if RUNNING
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if (this.status == CompassListener.RUNNING) {
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return true;
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}
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}
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else if (action.equals("getTimeout")) {
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return true;
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}
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return false;
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return true;
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}
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/**
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@ -225,6 +201,16 @@ public class CompassListener extends Plugin implements SensorEventListener {
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// TODO Auto-generated method stub
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}
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/**
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* Called after a delay to time out if the listener has not attached fast enough.
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*/
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private void timeout() {
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if (this.status == CompassListener.STARTING) {
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this.setStatus(CompassListener.ERROR_FAILED_TO_START);
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this.callbackContext.error("Compass listener failed to start.");
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}
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}
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/**
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* Sensor listener event.
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*
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