WIP: Location API

AndroidManifest.xml

@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest package="com.google.android.gms">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    <uses-sdk minSdkVersion="5" />
+    package="com.google.android.gms">
+
+    <uses-sdk android:minSdkVersion="5" />
 </manifest>

src/com/google/android/gms/common/GooglePlayServicesClient.java

@@ -0,0 +1,40 @@
+package com.google.android.gms.common;
+
+import android.os.Bundle;
+
+@Deprecated
+public interface GooglePlayServicesClient {
+    void connect();
+
+    void disconnect();
+
+    boolean isConnected();
+
+    boolean isConnecting();
+
+    void registerConnectionCallbacks(ConnectionCallbacks listener);
+
+    boolean isConnectionCallbacksRegistered(ConnectionCallbacks listener);
+
+    void unregisterConnectionCallbacks(ConnectionCallbacks listener);
+
+    void registerConnectionFailedListener(OnConnectionFailedListener listener);
+
+    boolean isConnectionFailedListenerRegistered(OnConnectionFailedListener listener);
+
+    void unregisterConnectionFailedListener(OnConnectionFailedListener listener);
+
+    @Deprecated
+    public interface OnConnectionFailedListener {
+
+        void onConnectionFailed(ConnectionResult result);
+    }
+
+    @Deprecated
+    public interface ConnectionCallbacks {
+
+        void onConnected(Bundle connectionHint);
+
+        void onDisconnected();
+    }
+}

src/com/google/android/gms/common/GooglePlayServicesUtil.java

@@ -49,7 +49,8 @@ public class GooglePlayServicesUtil {
     }
 
     public static int isGooglePlayServicesAvailable(Context context) {
-        return 0; // TODO
+        // As we can't know right now if the later desired feature is available, we just pretend it to be.
+        return ConnectionResult.SUCCESS;
     }
 
     public static boolean isGoogleSignedUid(PackageManager packageManager, int uid) {

src/com/google/android/gms/common/api/Api.java

@@ -1,5 +1,8 @@
 package com.google.android.gms.common.api;
 
+import android.content.Context;
+import android.os.Looper;
+
 /**
  * Describes a section of the Google Play Services API that should be made available. Instances of
  * this should be passed into {@link GoogleApiClient.Builder#addApi(Api)} to enable the appropriate
@@ -13,6 +16,16 @@ package com.google.android.gms.common.api;
  * See {@link GoogleApiClient.Builder} for usage examples.
  */
 public final class Api<O extends Api.ApiOptions> {
+    
+    private final Builder<O> builder;
+    
+    public Api(Builder<O> builder) {
+        this.builder = builder;
+    }
+
+    public Builder<O> getBuilder() {
+        return builder;
+    }
 
     /**
      * Base interface for API options. These are used to configure specific parameters for
@@ -34,7 +47,7 @@ public final class Api<O extends Api.ApiOptions> {
         /**
          * {@link ApiOptions} implementation for {@link Api}s that do not take any options.
          */
-        public class NoOptions implements NotRequiredOptions {
+        public final class NoOptions implements NotRequiredOptions {
         }
 
         /**
@@ -43,4 +56,16 @@ public final class Api<O extends Api.ApiOptions> {
         public interface Optional extends HasOptions, NotRequiredOptions {
         }
     }
+
+    public interface Connection {
+        public void connect();
+        public void disconnect();
+        public boolean isConnected();
+    }
+
+    public interface Builder<O extends ApiOptions> {
+        Connection build(Context context, Looper looper, O options, AccountInfo accountInfo,
+                GoogleApiClient.ConnectionCallbacks callbacks,
+                GoogleApiClient.OnConnectionFailedListener connectionFailedListener);
+    }
 }

src/com/google/android/gms/common/api/GoogleApiClient.java

@@ -3,12 +3,19 @@ package com.google.android.gms.common.api;
 import android.app.Activity;
 import android.content.Context;
 import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
 import android.support.v4.app.FragmentActivity;
 import android.view.View;
 import com.google.android.gms.common.ConnectionResult;
+import org.microg.gms.Constants;
+import org.microg.gms.common.api.GoogleApiClientImpl;
 
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.TimeUnit;
-import java.util.logging.Handler;
 
 /**
  * The main entry point for Google Play services integration.
@@ -209,13 +216,27 @@ public interface GoogleApiClient {
      * Builder to configure a {@link GoogleApiClient}.
      */
     public class Builder {
+        private final Context context;
+        private final Map<Api, Api.ApiOptions> apis = new HashMap<>();
+        private final Set<ConnectionCallbacks> connectionCallbacks = new HashSet<>();
+        private final Set<OnConnectionFailedListener> connectionFailedListeners = new HashSet<>();
+        private final Set<String> scopes = new HashSet<>();
+        private String accountName;
+        private int clientId = -1;
+        private FragmentActivity fragmentActivity;
+        private Looper looper;
+        private int gravityForPopups;
+        private OnConnectionFailedListener unresolvedConnectionFailedListener;
+        private View viewForPopups;
+
         /**
          * Builder to help construct the {@link GoogleApiClient} object.
          *
          * @param context The context to use for the connection.
          */
         public Builder(Context context) {
-
+            this.context = context;
+            this.looper = context.getMainLooper();
         }
 
         /**
@@ -242,7 +263,7 @@ public interface GoogleApiClient {
          * @see Api
          */
         public <O extends Api.ApiOptions.HasOptions> Builder addApi(Api<O> api, O options) {
-            // TODO
+            apis.put(api, options);
             return this;
         }
 
@@ -253,7 +274,7 @@ public interface GoogleApiClient {
          * @see Api
          */
         public Builder addApi(Api<? extends Api.ApiOptions.NotRequiredOptions> api) {
-            // TODO
+            apis.put(api, null);
             return this;
         }
 
@@ -273,7 +294,7 @@ public interface GoogleApiClient {
          *                 call are delivered.
          */
         public Builder addConnectionCallbacks(ConnectionCallbacks listener) {
-            // TODO
+            connectionCallbacks.add(listener);
             return this;
         }
 
@@ -293,7 +314,7 @@ public interface GoogleApiClient {
          *                 call are delivered.
          */
         public Builder addOnConnectionFailedListener(OnConnectionFailedListener listener) {
-            // TODO
+            connectionFailedListeners.add(listener);
             return this;
         }
 
@@ -305,7 +326,7 @@ public interface GoogleApiClient {
          * @see com.google.android.gms.common.Scopes
          */
         public Builder addScope(Scope scope) {
-            // TODO
+            scopes.add(scope.getScopeUri());
             return this;
         }
 
@@ -315,13 +336,20 @@ public interface GoogleApiClient {
          * @return The {@link GoogleApiClient} object.
          */
         public GoogleApiClient build() {
-            return null; // TODO
+            return new GoogleApiClientImpl(context, looper, getAccountInfo(), apis,
+                    connectionCallbacks, connectionFailedListeners, clientId);
+        }
+
+        private AccountInfo getAccountInfo() {
+            return null;
         }
 
         public Builder enableAutoManage(FragmentActivity fragmentActivity, int cliendId,
                 OnConnectionFailedListener unresolvedConnectionFailedListener)
                 throws NullPointerException, IllegalArgumentException, IllegalStateException {
-            // TODO
+            this.fragmentActivity = fragmentActivity;
+            this.clientId = cliendId;
+            this.unresolvedConnectionFailedListener = unresolvedConnectionFailedListener;
             return this;
         }
 
@@ -334,7 +362,7 @@ public interface GoogleApiClient {
          *                    {@link GoogleApiClient}.
          */
         public Builder setAccountName(String accountName) {
-            // TODO
+            this.accountName = accountName;
             return this;
         }
 
@@ -345,7 +373,7 @@ public interface GoogleApiClient {
          * @param gravityForPopups The gravity which controls the placement of games service popups.
          */
         public Builder setGravityForPopups(int gravityForPopups) {
-            // TODO
+            this.gravityForPopups = gravityForPopups;
             return this;
         }
 
@@ -355,7 +383,7 @@ public interface GoogleApiClient {
          * thread will be used.
          */
         public Builder setHandler(Handler handler) {
-            // TODO
+            this.looper = handler.getLooper();
             return this;
         }
 
@@ -365,7 +393,7 @@ public interface GoogleApiClient {
          * @param viewForPopups The view to use as a content view for popups. View cannot be null.
          */
         public Builder setViewForPopups(View viewForPopups) {
-            // TODO
+            this.viewForPopups = viewForPopups;
             return this;
         }
 
@@ -373,13 +401,13 @@ public interface GoogleApiClient {
          * Specify that the default account should be used when connecting to services.
          */
         public Builder useDefaultAccount() {
-            // TODO
+            this.accountName = Constants.DEFAULT_ACCOUNT;
             return this;
         }
     }
 
     /**
-     * Provides callbacks that are called when the client is connected or disconnected from the 
+     * Provides callbacks that are called when the client is connected or disconnected from the
      * service. Most applications implement {@link #onConnected(Bundle)} to start making requests.
      */
     public interface ConnectionCallbacks {

src/com/google/android/gms/common/api/Result.java

@@ -1,8 +0,0 @@
-package com.google.android.gms.common.api;
-
-/**
- * Represents the final result of invoking an API method in Google Play Services.
- */
-public interface Result {
-    public Status getStatus();
-}

src/com/google/android/gms/common/api/Status.java

@@ -1,13 +0,0 @@
-package com.google.android.gms.common.api;
-
-/**
- * Represents the results of work.
- * <p/>
- * TODO: content (is this IPC API?)
- */
-public final class Status implements Result {
-    @Override
-    public Status getStatus() {
-        return this;
-    }
-}

src/com/google/android/gms/location/FusedLocationProviderApi.java

@@ -0,0 +1,33 @@
+package com.google.android.gms.location;
+
+import android.app.PendingIntent;
+import android.location.Location;
+import android.os.Looper;
+import com.google.android.gms.common.api.GoogleApiClient;
+import com.google.android.gms.common.api.PendingResult;
+import org.microg.gms.Constants;
+
+public interface FusedLocationProviderApi {
+    String KEY_LOCATION_CHANGED = "com.google.android.location.LOCATION";
+    String KEY_MOCK_LOCATION = Constants.KEY_MOCK_LOCATION;
+
+    public Location getLastLocation(GoogleApiClient client);
+
+    public PendingResult requestLocationUpdates(GoogleApiClient client, LocationRequest request,
+            LocationListener listener);
+
+    public PendingResult requestLocationUpdates(GoogleApiClient client, LocationRequest request,
+            LocationListener listener, Looper looper);
+
+    public PendingResult requestLocationUpdates(GoogleApiClient client, LocationRequest request,
+            PendingIntent callbackIntent);
+
+    public PendingResult removeLocationUpdates(GoogleApiClient client, LocationListener listener);
+
+    public PendingResult removeLocationUpdates(GoogleApiClient client,
+            PendingIntent callbackIntent);
+
+    public PendingResult setMockMode(GoogleApiClient client, boolean isMockMode);
+
+    public PendingResult setMockLocation(GoogleApiClient client, Location mockLocation);
+}

src/com/google/android/gms/location/GeofencingApi.java

@@ -0,0 +1,4 @@
+package com.google.android.gms.location;
+
+public interface GeofencingApi {
+}

src/com/google/android/gms/location/LocationClient.java

@@ -0,0 +1,78 @@
+package com.google.android.gms.location;
+
+import android.content.Context;
+import com.google.android.gms.common.GooglePlayServicesClient;
+import com.google.android.gms.common.api.GoogleApiClient;
+import org.microg.gms.common.ForwardConnectionCallbacks;
+import org.microg.gms.common.ForwardConnectionFailedListener;
+
+@Deprecated
+public class LocationClient implements GooglePlayServicesClient {
+    private GoogleApiClient googleApiClient;
+    
+    public LocationClient(Context context, ConnectionCallbacks callbacks) {
+        googleApiClient = new GoogleApiClient.Builder(context)
+                .addApi(LocationServices.API)
+                .addConnectionCallbacks(new ForwardConnectionCallbacks(callbacks))
+                .build();
+    }
+
+    @Override
+    public void connect() {
+        googleApiClient.connect();
+    }
+
+    @Override
+    public void disconnect() {
+        googleApiClient.disconnect();
+    }
+
+    @Override
+    public boolean isConnected() {
+        return googleApiClient.isConnected();
+    }
+
+    @Override
+    public boolean isConnecting() {
+        return googleApiClient.isConnecting();
+    }
+
+    @Override
+    public void registerConnectionCallbacks(final ConnectionCallbacks listener) {
+        googleApiClient.registerConnectionCallbacks(new ForwardConnectionCallbacks(listener));
+    }
+
+    @Override
+    public boolean isConnectionCallbacksRegistered(ConnectionCallbacks listener) {
+        return googleApiClient
+                .isConnectionCallbacksRegistered(new ForwardConnectionCallbacks(listener));
+    }
+
+    @Override
+    public void unregisterConnectionCallbacks(
+            ConnectionCallbacks listener) {
+        googleApiClient.unregisterConnectionCallbacks(new ForwardConnectionCallbacks(listener));
+    }
+
+    @Override
+    public void registerConnectionFailedListener(
+            OnConnectionFailedListener listener) {
+        googleApiClient.registerConnectionFailedListener(
+                new ForwardConnectionFailedListener(listener));
+    }
+
+    @Override
+    public boolean isConnectionFailedListenerRegistered(
+            OnConnectionFailedListener listener) {
+        return googleApiClient.isConnectionFailedListenerRegistered(
+                new ForwardConnectionFailedListener(listener));
+    }
+
+    @Override
+    public void unregisterConnectionFailedListener(
+            OnConnectionFailedListener listener) {
+        googleApiClient.unregisterConnectionFailedListener(
+                new ForwardConnectionFailedListener(listener));
+    }
+
+}

src/com/google/android/gms/location/LocationListener.java

@@ -0,0 +1,4 @@
+package com.google.android.gms.location;
+
+public interface LocationListener {
+}

src/com/google/android/gms/location/LocationServices.java

@@ -0,0 +1,28 @@
+package com.google.android.gms.location;
+
+import android.content.Context;
+import android.os.Looper;
+import com.google.android.gms.common.api.AccountInfo;
+import com.google.android.gms.common.api.Api;
+import com.google.android.gms.common.api.GoogleApiClient;
+import org.microg.gms.location.FusedLocationProviderApiImpl;
+import org.microg.gms.location.GeofencingApiImpl;
+import org.microg.gms.location.LocationClientImpl;
+
+/**
+ * The main entry point for location services integration.
+ */
+public class LocationServices {
+    public static final Api<Api.ApiOptions.NoOptions> API = new Api<>(
+            new Api.Builder<Api.ApiOptions.NoOptions>() {
+                @Override
+                public Api.Connection build(Context context, Looper looper,
+                        Api.ApiOptions.NoOptions options,
+                        AccountInfo accountInfo, GoogleApiClient.ConnectionCallbacks callbacks,
+                        GoogleApiClient.OnConnectionFailedListener connectionFailedListener) {
+                    return new LocationClientImpl(context);
+                }
+            });
+    public static final FusedLocationProviderApi FusedLocationApi = new FusedLocationProviderApiImpl();
+    public static final GeofencingApi GeofencingApi = new GeofencingApiImpl();
+}

src/org/microg/gms/common/ForwardConnectionCallbacks.java

@@ -0,0 +1,35 @@
+package org.microg.gms.common;
+
+import android.os.Bundle;
+import com.google.android.gms.common.GooglePlayServicesClient;
+import com.google.android.gms.common.api.GoogleApiClient;
+import com.google.android.gms.location.LocationClient;
+
+public final class ForwardConnectionCallbacks implements GoogleApiClient.ConnectionCallbacks {
+    private final GooglePlayServicesClient.ConnectionCallbacks callbacks;
+
+    public ForwardConnectionCallbacks(GooglePlayServicesClient.ConnectionCallbacks callbacks) {
+        this.callbacks = callbacks;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        return o instanceof ForwardConnectionCallbacks &&
+                callbacks.equals(((ForwardConnectionCallbacks) o).callbacks);
+    }
+
+    @Override
+    public int hashCode() {
+        return callbacks.hashCode();
+    }
+
+    @Override
+    public void onConnected(Bundle connectionHint) {
+        callbacks.onConnected(connectionHint);
+    }
+
+    @Override
+    public void onConnectionSuspended(int cause) {
+        callbacks.onDisconnected();
+    }
+}

src/org/microg/gms/common/ForwardConnectionFailedListener.java

@@ -0,0 +1,31 @@
+package org.microg.gms.common;
+
+import com.google.android.gms.common.ConnectionResult;
+import com.google.android.gms.common.GooglePlayServicesClient;
+import com.google.android.gms.common.api.GoogleApiClient;
+
+public final class ForwardConnectionFailedListener
+        implements GoogleApiClient.OnConnectionFailedListener {
+    private final GooglePlayServicesClient.OnConnectionFailedListener listener;
+
+    public ForwardConnectionFailedListener(
+            GooglePlayServicesClient.OnConnectionFailedListener listener) {
+        this.listener = listener;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        return o instanceof ForwardConnectionFailedListener &&
+                listener.equals(((ForwardConnectionFailedListener) o).listener);
+    }
+
+    @Override
+    public int hashCode() {
+        return listener.hashCode();
+    }
+
+    @Override
+    public void onConnectionFailed(ConnectionResult result) {
+        listener.onConnectionFailed(result);
+    }
+}

src/org/microg/gms/common/GmsClient.java

@@ -0,0 +1,105 @@
+package org.microg.gms.common;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.ServiceConnection;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.os.IInterface;
+import android.os.RemoteException;
+import com.google.android.gms.common.ConnectionResult;
+import com.google.android.gms.common.GooglePlayServicesUtil;
+import com.google.android.gms.common.api.Api;
+import com.google.android.gms.common.internal.IGmsCallbacks;
+import com.google.android.gms.common.internal.IGmsServiceBroker;
+
+public abstract class GmsClient<I extends IInterface> implements Api.Connection {
+    private static final String TAG = "GmsClient";
+
+    private final Context context;
+    private ConnectionState state = ConnectionState.CONNECTED;
+    private ServiceConnection serviceConnection;
+    private I serviceInterface;
+
+    public GmsClient(Context context) {
+        this.context = context;
+    }
+
+    protected abstract String getActionString();
+
+    protected abstract void onConnectedToBroker(IGmsServiceBroker broker, GmsCallbacks callbacks)
+            throws RemoteException;
+
+    protected abstract I interfaceFromBinder(IBinder binder);
+
+    @Override
+    public void connect() {
+        state = ConnectionState.CONNECTING;
+        if (GooglePlayServicesUtil.isGooglePlayServicesAvailable(context) !=
+                ConnectionResult.SUCCESS) {
+            state = ConnectionState.NOT_CONNECTED;
+        } else {
+            if (serviceConnection != null) {
+                MultiConnectionKeeper.getInstance(context)
+                        .unbind(getActionString(), serviceConnection);
+            }
+            serviceConnection = new GmsServiceConnection();
+            MultiConnectionKeeper.getInstance(context).bind(getActionString(),
+                    serviceConnection);
+        }
+    }
+
+    @Override
+    public void disconnect() {
+        serviceInterface = null;
+        if (serviceConnection != null) {
+            MultiConnectionKeeper.getInstance(context).unbind(getActionString(), serviceConnection);
+            serviceConnection = null;
+        }
+        state = ConnectionState.NOT_CONNECTED;
+    }
+
+    @Override
+    public boolean isConnected() {
+        return state == ConnectionState.CONNECTED;
+    }
+
+    public Context getContext() {
+        return context;
+    }
+    
+    public I getServiceInterface() {
+        return serviceInterface;
+    }
+
+    private enum ConnectionState {
+        NOT_CONNECTED, CONNECTING, CONNECTED, ERROR
+    }
+
+    private class GmsServiceConnection implements ServiceConnection {
+
+        @Override
+        public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
+            try {
+                onConnectedToBroker(IGmsServiceBroker.Stub.asInterface(iBinder), new GmsCallbacks());
+            } catch (RemoteException e) {
+                disconnect();
+            }
+        }
+
+        @Override
+        public void onServiceDisconnected(ComponentName componentName) {
+            state = ConnectionState.ERROR;
+        }
+    }
+
+    public class GmsCallbacks extends IGmsCallbacks.Stub {
+
+        @Override
+        public void onPostInitComplete(int statusCode, IBinder binder, Bundle params)
+                throws RemoteException {
+            serviceInterface = interfaceFromBinder(binder);
+        }
+    }
+
+}

src/org/microg/gms/common/MultiConnectionKeeper.java

@@ -0,0 +1,136 @@
+package org.microg.gms.common;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.IBinder;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import static org.microg.gms.Constants.GMS_PACKAGE_NAME;
+
+public class MultiConnectionKeeper {
+    private static MultiConnectionKeeper INSTANCE;
+
+    private final Context context;
+    private final Map<String, Connection> connections = new HashMap<>();
+
+    public MultiConnectionKeeper(Context context) {
+        this.context = context;
+    }
+
+    public static MultiConnectionKeeper getInstance(Context context) {
+        if (INSTANCE == null)
+            INSTANCE = new MultiConnectionKeeper(context);
+        return INSTANCE;
+    }
+
+    public boolean bind(String action, ServiceConnection connection) {
+        Connection con = connections.get(action);
+        if (con != null) {
+            if (!con.forwardsConnection(connection)) {
+                con.addConnectionForward(connection);
+                if (!con.isBound())
+                    con.bind();
+            }
+        } else {
+            con = new Connection(action);
+            con.addConnectionForward(connection);
+            con.bind();
+            connections.put(action, con);
+        }
+        return con.isBound();
+    }
+    
+    public void unbind(String action, ServiceConnection connection) {
+        Connection con = connections.get(action);
+        if (con != null) {
+            con.removeConnectionForward(connection);
+            if (!con.hasForwards() && con.isBound()) {
+                con.unbind();
+            }
+        }
+    }
+
+    public class Connection {
+        private final String actionString;
+        private final Set<ServiceConnection> connectionForwards = new HashSet<>();
+        private boolean bound = false;
+        private boolean connected = false;
+        private IBinder binder;
+        private ComponentName component;
+        private ServiceConnection serviceConnection = new ServiceConnection() {
+            @Override
+            public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
+                binder = iBinder;
+                component = componentName;
+                for (ServiceConnection connection : connectionForwards) {
+                    connection.onServiceConnected(componentName, iBinder);
+                }
+                connected = true;
+            }
+
+            @Override
+            public void onServiceDisconnected(ComponentName componentName) {
+                binder = null;
+                component = componentName;
+                for (ServiceConnection connection : connectionForwards) {
+                    connection.onServiceDisconnected(componentName);
+                }
+                connected = false;
+            }
+        };
+
+        public Connection(String actionString) {
+            this.actionString = actionString;
+        }
+
+        public void bind() {
+            Intent intent = new Intent(actionString).setPackage(GMS_PACKAGE_NAME);
+            bound = context.bindService(intent, serviceConnection,
+                    Context.BIND_ADJUST_WITH_ACTIVITY & Context.BIND_AUTO_CREATE);
+            if (!bound) {
+                context.unbindService(serviceConnection);
+            }
+        }
+
+        public boolean isBound() {
+            return bound;
+        }
+
+        public IBinder getBinder() {
+            return binder;
+        }
+
+        public void unbind() {
+            context.unbindService(serviceConnection);
+            bound = false;
+        }
+
+        public void addConnectionForward(ServiceConnection connection) {
+            connectionForwards.add(connection);
+            if (connected) {
+                connection.onServiceConnected(component, binder);
+            }
+        }
+
+        public void removeConnectionForward(ServiceConnection connection) {
+            connectionForwards.remove(connection);
+            if (connected) {
+                connection.onServiceDisconnected(component);
+            }
+        }
+
+        public boolean forwardsConnection(ServiceConnection connection) {
+            return connectionForwards.contains(connection);
+        }
+        
+        public boolean hasForwards() {
+            return !connectionForwards.isEmpty();
+        }
+    }
+}

src/org/microg/gms/common/api/AbstractPendingResult.java

@@ -0,0 +1,95 @@
+package org.microg.gms.common.api;
+
+import android.os.Looper;
+import com.google.android.gms.common.api.PendingResult;
+import com.google.android.gms.common.api.Result;
+import com.google.android.gms.common.api.ResultCallback;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+public class AbstractPendingResult<R extends Result> implements PendingResult<R> {
+    private final Object lock = new Object();
+    private final CountDownLatch countDownLatch = new CountDownLatch(1);
+    private final CallbackHandler handler;
+    private boolean canceled;
+    private R result;
+    private ResultCallback<R> resultCallback;
+
+    public AbstractPendingResult(Looper looper) {
+        handler = new CallbackHandler(looper);
+    }
+
+    private R getResult() {
+        synchronized (lock) {
+            return result;
+        }
+    }
+
+    @Override
+    public R await() {
+        try {
+            countDownLatch.await();
+        } catch (InterruptedException ignored) {
+        }
+        return getResult();
+    }
+
+    @Override
+    public R await(long time, TimeUnit unit) {
+        try {
+            countDownLatch.await(time, unit);
+        } catch (InterruptedException ignored) {
+        }
+        return getResult();
+    }
+
+    @Override
+    public void cancel() {
+        // TODO
+    }
+
+    @Override
+    public boolean isCanceled() {
+        synchronized (lock) {
+            return canceled;
+        }
+    }
+
+    public boolean isReady() {
+        return this.countDownLatch.getCount() == 0L;
+    }
+
+    @Override
+    public void setResultCallback(ResultCallback<R> callback, long time, TimeUnit unit) {
+        synchronized (lock) {
+            if (!isCanceled()) {
+                if (isReady()) {
+                    handler.sendResultCallback(callback, getResult());
+                } else {
+                    handler.sendTimeoutResultCallback(this, unit.toMillis(time));
+                }
+            }
+        }
+    }
+
+    @Override
+    public void setResultCallback(ResultCallback<R> callback) {
+        synchronized (lock) {
+            if (!isCanceled()) {
+                if (isReady()) {
+                    handler.sendResultCallback(callback, getResult());
+                } else {
+                    resultCallback = callback;
+                }
+            }
+        }
+    }
+    
+    private void deliverResult(R result) {
+        this.result = result;
+        countDownLatch.countDown();
+        
+    }
+
+}

src/org/microg/gms/common/api/CallbackHandler.java

@@ -0,0 +1,42 @@
+package org.microg.gms.common.api;
+
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import com.google.android.gms.common.api.Result;
+import com.google.android.gms.common.api.ResultCallback;
+
+class CallbackHandler<R extends Result> extends Handler {
+    public static final int CALLBACK_ON_COMPLETE = 1;
+    public static final int CALLBACK_ON_TIMEOUT = 2;
+    
+    public CallbackHandler(Looper looper) {
+        super(looper);
+    }
+
+    @Override
+    public void handleMessage(Message msg) {
+        switch (msg.what) {
+            case CALLBACK_ON_COMPLETE:
+                OnCompleteObject<R> o = (OnCompleteObject<R>) msg.obj;
+                o.callback.onResult(o.result);
+                break;
+            case CALLBACK_ON_TIMEOUT:
+                // TODO
+                break;
+        }
+    }
+
+    public void sendResultCallback(ResultCallback<R> callback, R result) {
+        
+    }
+
+    public void sendTimeoutResultCallback(AbstractPendingResult pendingResult, long millis) {
+        
+    }
+
+    public static class OnCompleteObject<R extends Result> {
+        public ResultCallback<R> callback;
+        public R result;
+    }
+}

src/org/microg/gms/common/api/GoogleApiClientImpl.java

@@ -0,0 +1,155 @@
+package org.microg.gms.common.api;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.os.Looper;
+import android.support.v4.app.FragmentActivity;
+import com.google.android.gms.common.ConnectionResult;
+import com.google.android.gms.common.api.*;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+public class GoogleApiClientImpl implements GoogleApiClient {
+    private final Context context;
+    private final Looper looper;
+    private final AccountInfo accountInfo;
+    private final Map<Api, Api.ApiOptions> apis = new HashMap<>();
+    private final Map<Api, Api.Connection> apiConnections = new HashMap<>();
+    private final Set<ConnectionCallbacks> connectionCallbacks = new HashSet<>();
+    private final Set<OnConnectionFailedListener> connectionFailedListeners = new HashSet<>();
+    private final ConnectionCallbacks baseConnectionCallbacks = new ConnectionCallbacks() {
+        @Override
+        public void onConnected(Bundle connectionHint) {
+            for (ConnectionCallbacks callback : connectionCallbacks) {
+                callback.onConnected(connectionHint);
+            }
+        }
+
+        @Override
+        public void onConnectionSuspended(int cause) {
+            for (ConnectionCallbacks callback : connectionCallbacks) {
+                callback.onConnectionSuspended(cause);
+            }
+        }
+    };
+    private final OnConnectionFailedListener baseConnectionFailedListener = new OnConnectionFailedListener() {
+        @Override
+        public void onConnectionFailed(ConnectionResult result) {
+            for (OnConnectionFailedListener listener : connectionFailedListeners) {
+                listener.onConnectionFailed(result);
+            }
+        }
+    };
+    private final int clientId;
+
+    public GoogleApiClientImpl(Context context, Looper looper, AccountInfo accountInfo,
+            Map<Api, Api.ApiOptions> apis,
+            Set<ConnectionCallbacks> connectionCallbacks,
+            Set<OnConnectionFailedListener> connectionFailedListeners, int clientId) {
+        this.context = context;
+        this.looper = looper;
+        this.accountInfo = accountInfo;
+        this.apis.putAll(apis);
+        this.connectionCallbacks.addAll(connectionCallbacks);
+        this.connectionFailedListeners.addAll(connectionFailedListeners);
+        this.clientId = clientId;
+        
+        for (Api api : apis.keySet()) {
+            apiConnections.put(api, api.getBuilder().build(context, looper,
+                    apis.get(api), accountInfo, baseConnectionCallbacks,
+                    baseConnectionFailedListener));
+        }
+    }
+    
+    public Api.Connection getApiConnection(Api api) {
+        return apiConnections.get(api);
+    }
+
+    @Override
+    public ConnectionResult blockingConnect() {
+        return null;
+    }
+
+    @Override
+    public ConnectionResult blockingConnect(long timeout, TimeUnit unit) {
+        return null;
+    }
+
+    @Override
+    public PendingResult<Status> clearDefaultAccountAndReconnect() {
+        return null;
+    }
+
+    @Override
+    public void connect() {
+        for (Api.Connection connection : apiConnections.values()) {
+            connection.connect();
+        }
+    }
+
+    @Override
+    public void disconnect() {
+        for (Api.Connection connection : apiConnections.values()) {
+            connection.disconnect();
+        }
+    }
+
+    @Override
+    public boolean isConnected() {
+        for (Api.Connection connection : apiConnections.values()) {
+            if (!connection.isConnected()) return false;
+        }
+        return true;
+    }
+
+    @Override
+    public boolean isConnecting() {
+        return false; // TODO
+    }
+
+    @Override
+    public boolean isConnectionCallbacksRegistered(ConnectionCallbacks listener) {
+        return connectionCallbacks.contains(listener);
+    }
+
+    @Override
+    public boolean isConnectionFailedListenerRegistered(
+            OnConnectionFailedListener listener) {
+        return connectionFailedListeners.contains(listener);
+    }
+
+    @Override
+    public void reconnect() {
+        disconnect();
+        connect();
+    }
+
+    @Override
+    public void registerConnectionCallbacks(ConnectionCallbacks listener) {
+        connectionCallbacks.add(listener);
+    }
+
+    @Override
+    public void registerConnectionFailedListener(OnConnectionFailedListener listener) {
+        connectionFailedListeners.add(listener);
+    }
+
+    @Override
+    public void stopAutoManager(FragmentActivity lifecycleActivity) throws IllegalStateException {
+
+    }
+
+    @Override
+    public void unregisterConnectionCallbacks(ConnectionCallbacks listener) {
+        connectionCallbacks.remove(listener);
+    }
+
+    @Override
+    public void unregisterConnectionFailedListener(OnConnectionFailedListener listener) {
+        connectionFailedListeners.remove(listener);
+    }
+}

src/org/microg/gms/location/FusedLocationProviderApiImpl.java

@@ -0,0 +1,72 @@
+package org.microg.gms.location;
+
+import android.app.PendingIntent;
+import android.location.Location;
+import android.os.Looper;
+import android.os.RemoteException;
+import android.util.Log;
+import com.google.android.gms.common.api.GoogleApiClient;
+import com.google.android.gms.common.api.PendingResult;
+import com.google.android.gms.location.FusedLocationProviderApi;
+import com.google.android.gms.location.LocationListener;
+import com.google.android.gms.location.LocationRequest;
+
+public class FusedLocationProviderApiImpl implements FusedLocationProviderApi {
+    private static final String TAG = "GmsFusedApiImpl";
+    
+    @Override
+    public Location getLastLocation(GoogleApiClient client) {
+        try {
+            return LocationClientImpl.get(client).getLastLocation();
+        } catch (RemoteException e) {
+            Log.w(TAG, e);
+            return null;
+        }
+    }
+
+    @Override
+    public PendingResult requestLocationUpdates(GoogleApiClient client, LocationRequest request,
+            LocationListener listener) {
+        //LocationClientImpl.get(client).requestLocationUpdates(request, listener);
+        return null;
+    }
+
+    @Override
+    public PendingResult requestLocationUpdates(GoogleApiClient client, LocationRequest request,
+            LocationListener listener, Looper looper) {
+        //LocationClientImpl.get(client).requestLocationUpdates(request, listener, looper);
+        return null;
+    }
+
+    @Override
+    public PendingResult requestLocationUpdates(GoogleApiClient client, LocationRequest request,
+            PendingIntent callbackIntent) {
+        //LocationClientImpl.get(client).requestLocationUpdates(request, callbackIntent);
+        return null;
+    }
+
+    @Override
+    public PendingResult removeLocationUpdates(GoogleApiClient client, LocationListener listener) {
+        //LocationClientImpl.get(client).removeLocationUpdates(listener);
+        return null;
+    }
+
+    @Override
+    public PendingResult removeLocationUpdates(GoogleApiClient client,
+            PendingIntent callbackIntent) {
+        //LocationClientImpl.get(client).removeLocationUpdates(callbackIntent);
+        return null;
+    }
+
+    @Override
+    public PendingResult setMockMode(GoogleApiClient client, boolean isMockMode) {
+        //LocationClientImpl.get(client).setMockMode(isMockMode);
+        return null;
+    }
+
+    @Override
+    public PendingResult setMockLocation(GoogleApiClient client, Location mockLocation) {
+        //LocationClientImpl.get(client).setMockLocation(mockLocation);
+        return null;
+    }
+}

src/org/microg/gms/location/GeofencingApiImpl.java

@@ -0,0 +1,6 @@
+package org.microg.gms.location;
+
+import com.google.android.gms.location.GeofencingApi;
+
+public class GeofencingApiImpl implements GeofencingApi {
+}

src/org/microg/gms/location/GoogleLocationManagerClient.java

@@ -0,0 +1,35 @@
+package org.microg.gms.location;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.os.RemoteException;
+import com.google.android.gms.common.internal.IGmsServiceBroker;
+import com.google.android.gms.location.internal.IGoogleLocationManagerService;
+import org.microg.gms.Constants;
+import org.microg.gms.common.GmsClient;
+
+public class GoogleLocationManagerClient extends GmsClient<IGoogleLocationManagerService> {
+    public GoogleLocationManagerClient(Context context) {
+        super(context);
+    }
+
+    @Override
+    protected String getActionString() {
+        return Constants.ACTION_GMS_LOCATION_MANAGER_SERVICE_START;
+    }
+
+    @Override
+    protected IGoogleLocationManagerService interfaceFromBinder(IBinder binder) {
+        return IGoogleLocationManagerService.Stub.asInterface(binder);
+    }
+
+    @Override
+    protected void onConnectedToBroker(IGmsServiceBroker broker, GmsCallbacks callbacks)
+            throws RemoteException {
+        Bundle bundle = new Bundle();
+        bundle.putString("client_name", "locationServices");
+        broker.getGoogleLocationManagerService(callbacks, Constants.MAX_REFERENCE_VERSION,
+                getContext().getPackageName(), bundle);
+    }
+}

src/org/microg/gms/location/LocationClientImpl.java

@@ -0,0 +1,61 @@
+package org.microg.gms.location;
+
+import android.app.PendingIntent;
+import android.content.Context;
+import android.location.Location;
+import android.os.Looper;
+import android.os.RemoteException;
+import com.google.android.gms.common.api.GoogleApiClient;
+import com.google.android.gms.location.LocationListener;
+import com.google.android.gms.location.LocationRequest;
+import com.google.android.gms.location.LocationServices;
+import org.microg.gms.common.api.GoogleApiClientImpl;
+
+public class LocationClientImpl extends GoogleLocationManagerClient {
+    public LocationClientImpl(Context context) {
+        super(context);
+    }
+
+    public static LocationClientImpl get(GoogleApiClient apiClient) {
+        if (apiClient instanceof GoogleApiClientImpl) {
+            return (LocationClientImpl) ((GoogleApiClientImpl) apiClient)
+                    .getApiConnection(LocationServices.API);
+        }
+        return null;
+    }
+
+    public Location getLastLocation() throws RemoteException {
+        return getServiceInterface().getLastLocation();
+    }
+
+    public void requestLocationUpdates(LocationRequest request, LocationListener listener)
+            throws RemoteException {
+
+    }
+
+    public void requestLocationUpdates(LocationRequest request, PendingIntent pendingIntent)
+            throws RemoteException {
+
+    }
+
+    public void requestLocationUpdates(LocationRequest request, LocationListener listener,
+            Looper looper) throws RemoteException {
+
+    }
+
+    public void removeLocationUpdates(LocationListener listener) throws RemoteException {
+
+    }
+
+    public void removeLocationUpdates(PendingIntent pendingIntent) throws RemoteException {
+
+    }
+
+    public void setMockMode(boolean isMockMode) throws RemoteException {
+
+    }
+
+    public void setMockLocation(Location mockLocation) throws RemoteException {
+
+    }
+}