Update engine's location requests (#215)

lost-sample/src/main/AndroidManifest.xml

@@ -37,6 +37,7 @@
     <activity android:name=".LocationAvailabilityActivity"/>
     <activity android:name=".MultipleLocationListenerMultipleClientsActivity"/>
     <activity android:name=".MultipleLocationListenerSingleClientActivity"/>
+    <activity android:name=".MultiplePriorityMultipleClientsActivity"/>
 
     <service
         android:name=".GeofenceIntentService"

lost-sample/src/main/java/com/example/lost/MultiplePriorityMultipleClientsActivity.java

@@ -0,0 +1,105 @@
+package com.example.lost;
+
+import com.mapzen.android.lost.api.LocationListener;
+import com.mapzen.android.lost.api.LocationRequest;
+import com.mapzen.android.lost.api.LocationServices;
+import com.mapzen.android.lost.api.LostApiClient;
+
+import android.location.Location;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.util.Log;
+import android.view.View;
+
+/**
+ * Demonstrates two {@link LostApiClient}s receiving location updates with different request
+ * priorities.
+ */
+public class MultiplePriorityMultipleClientsActivity extends LostApiClientActivity {
+
+  private static final String TAG = MultiplePriorityMultipleClientsActivity.class.getSimpleName();
+
+  LostApiClient otherClient;
+
+  LocationListener noPowerListener = new LocationListener() {
+    @Override public void onLocationChanged(Location location) {
+      Log.d(TAG, "No Power Client Location:" + location.getLongitude() + " " +
+          location.getLatitude());
+    }
+  };
+
+  LocationListener highPriorityListener = new LocationListener() {
+    @Override public void onLocationChanged(Location location) {
+      Log.d(TAG, "High Priority Client Location:" + location.getLongitude() + " " +
+          location.getLatitude());
+    }
+  };
+
+  @Override protected void onCreate(@Nullable Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_multiple_clients_requests);
+    createOtherClient();
+    setupBtns();
+  }
+
+  @Override public void onConnected() {
+    super.onConnected();
+    requestNoPowerUpdates();
+  }
+
+  private void setupBtns() {
+    findViewById(R.id.connect_no_power_btn).setOnClickListener(new View.OnClickListener() {
+      @Override public void onClick(View v) {
+        client.connect();
+      }
+    });
+    findViewById(R.id.connect_high_priority_btn).setOnClickListener(new View.OnClickListener() {
+      @Override public void onClick(View v) {
+        otherClient.connect();
+      }
+    });
+    findViewById(R.id.rm_no_power_btn).setOnClickListener(new View.OnClickListener() {
+      @Override public void onClick(View v) {
+        LocationServices.FusedLocationApi.removeLocationUpdates(client, noPowerListener);
+      }
+    });
+    findViewById(R.id.rm_high_priority_btn).setOnClickListener(new View.OnClickListener() {
+      @Override public void onClick(View v) {
+        LocationServices.FusedLocationApi.removeLocationUpdates(otherClient, highPriorityListener);
+      }
+    });
+  }
+
+  private void requestNoPowerUpdates() {
+    LocationRequest request = LocationRequest.create()
+        .setPriority(LocationRequest.PRIORITY_NO_POWER)
+        .setFastestInterval(0)
+        .setSmallestDisplacement(0)
+        .setInterval(1000); // 1 sec
+    LocationServices.FusedLocationApi.requestLocationUpdates(client, request, noPowerListener);
+  }
+
+  private void createOtherClient() {
+    otherClient = new LostApiClient.Builder(this)
+        .addConnectionCallbacks(new LostApiClient.ConnectionCallbacks() {
+
+          @Override public void onConnected() {
+            Log.d("Test", "High priority onConnected");
+
+            LocationRequest request = LocationRequest.create()
+                .setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY)
+                .setFastestInterval(0)
+                .setSmallestDisplacement(0)
+                .setInterval(1000); // 1 sec
+
+            LocationServices.FusedLocationApi.requestLocationUpdates(otherClient, request,
+                highPriorityListener);
+          }
+
+          @Override public void onConnectionSuspended() {
+
+          }
+        })
+        .build();
+  }
+}

lost-sample/src/main/java/com/example/lost/SamplesList.java

@@ -20,6 +20,9 @@ private SamplesList() {
       new Sample(R.string.sample_multiple_clients_diff_intervals_title,
           R.string.sample_multiple_clients_diff_intervals_description,
           MultipleLocationListenerMultipleClientsActivity.class),
+      new Sample(R.string.sample_multiple_clients_priorities_title,
+          R.string.sample_multiple_clients_priorities_description,
+          MultiplePriorityMultipleClientsActivity.class),
       new Sample(R.string.sample_single_client_diff_intervals_title,
           R.string.sample_single_client_diff_intervals_description,
           MultipleLocationListenerSingleClientActivity.class),

lost-sample/src/main/res/layout/activity_multiple_clients_requests.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+  <Button
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:text="Connect no power client"
+      android:id="@+id/connect_no_power_btn"
+      />
+
+  <Button
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:text="Connect high priority client"
+      android:id="@+id/connect_high_priority_btn"
+      />
+
+  <Button
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:text="Rm no power requests"
+      android:id="@+id/rm_no_power_btn"
+      />
+
+  <Button
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:text="Rm high priority requests"
+      android:id="@+id/rm_high_priority_btn"
+      />
+
+
+</LinearLayout>

lost-sample/src/main/res/values/strings.xml

@@ -80,5 +80,7 @@
   <string name="sample_multiple_clients_diff_intervals_description">Demonstrates how multiple clients can request location updates at different fastest intervals</string>
   <string name="sample_single_client_diff_intervals_title">Single Client w/different Intervals</string>
   <string name="sample_single_client_diff_intervals_description">Demonstrates how a single client can request location updates at different fastest intervals</string>
+  <string name="sample_multiple_clients_priorities_title">Multiple Clients w/different request priorities</string>
+  <string name="sample_multiple_clients_priorities_description">Demonstrates multiple clients receiving location requests for different location priorities</string>
 
 </resources>

lost/src/main/aidl/com/mapzen/android/lost/internal/IFusedLocationProviderService.aidl

@@ -14,7 +14,7 @@ interface IFusedLocationProviderService {
 
   void requestLocationUpdates(in LocationRequest request);
 
-  void removeLocationUpdates();
+  void removeLocationUpdates(in List<LocationRequest> requests);
 
   void setMockMode(boolean isMockMode);
 

lost/src/main/java/com/mapzen/android/lost/api/LocationRequest.java

@@ -25,6 +25,13 @@ public static LocationRequest create() {
     return new LocationRequest();
   }
 
+  public LocationRequest(LocationRequest incoming) {
+    this.setInterval(incoming.getInterval());
+    this.setFastestInterval(incoming.getFastestInterval());
+    this.setSmallestDisplacement(incoming.getSmallestDisplacement());
+    this.setPriority(incoming.getPriority());
+  }
+
   public long getInterval() {
     return interval;
   }
@@ -73,6 +80,38 @@ public LocationRequest setPriority(int priority) {
     return this;
   }
 
+  @Override public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+
+    LocationRequest that = (LocationRequest) o;
+
+    if (interval != that.interval) {
+      return false;
+    }
+    if (fastestInterval != that.fastestInterval) {
+      return false;
+    }
+    if (Float.compare(that.smallestDisplacement, smallestDisplacement) != 0) {
+      return false;
+    }
+    return priority == that.priority;
+  }
+
+  @Override public int hashCode() {
+    int result = (int) (interval ^ (interval >>> 32));
+    result = 31 * result + (int) (fastestInterval ^ (fastestInterval >>> 32));
+    result =
+        31 * result + (smallestDisplacement != +0.0f ? Float.floatToIntBits(smallestDisplacement)
+            : 0);
+    result = 31 * result + priority;
+    return result;
+  }
+
   @Override public int describeContents() {
     return 0;
   }

lost/src/main/java/com/mapzen/android/lost/api/LocationServices.java

@@ -6,6 +6,7 @@
 import com.mapzen.android.lost.internal.FusedLocationServiceConnectionManager;
 import com.mapzen.android.lost.internal.GeofencingApiImpl;
 import com.mapzen.android.lost.internal.GeofencingServiceIntentFactory;
+import com.mapzen.android.lost.internal.LostRequestManager;
 import com.mapzen.android.lost.internal.PendingIntentIdGenerator;
 import com.mapzen.android.lost.internal.SettingsApiImpl;
 
@@ -19,7 +20,7 @@ public class LocationServices {
    */
   public static final FusedLocationProviderApi FusedLocationApi =
       new FusedLocationProviderApiImpl(new FusedLocationServiceConnectionManager(),
-          new FusedLocationServiceCallbackManager());
+          new FusedLocationServiceCallbackManager(), LostRequestManager.shared());
 
   /**
    * Entry point for APIs concerning geofences.

lost/src/main/java/com/mapzen/android/lost/internal/ClientCallbackWrapper.java

@@ -0,0 +1,41 @@
+package com.mapzen.android.lost.internal;
+
+import com.mapzen.android.lost.api.LostApiClient;
+
+
+/**
+ * Wraps a {@link LostApiClient} to either a {@link com.mapzen.android.lost.api.LocationListener},
+ * {@link android.app.PendingIntent}, or {@link com.mapzen.android.lost.api.LocationCallback}.
+ */
+class ClientCallbackWrapper {
+
+  private LostApiClient client;
+  private Object callback;
+
+  public <T> ClientCallbackWrapper(LostApiClient client, T callback) {
+    this.client = client;
+    this.callback = callback;
+  }
+
+  @Override public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+
+    ClientCallbackWrapper wrapper = (ClientCallbackWrapper) o;
+
+    if (!client.equals(wrapper.client)) {
+      return false;
+    }
+    return callback.equals(wrapper.callback);
+  }
+
+  @Override public int hashCode() {
+    int result = client.hashCode();
+    result = 31 * result + callback.hashCode();
+    return result;
+  }
+}