MAP MCE

Add MAP client code into packages/apps/Bluetooth.  Changes here are to
define the MAP MCE interface and enable its selection when running on a
device that is also running a PBAP client (Car Kitt).

Bug: 30467210
Change-Id: Ifa2cdea7d67f63a2b5f3d971df8ec6d321dc5fee
(cherry picked from commit fae5ff2578fe1e51a4677e6d344d4f5ff4618ed1)

1 files changed, 415 insertions, 0 deletions

diff --git a/framework/java/android/bluetooth/BluetoothMapClient.java b/framework/java/android/bluetooth/BluetoothMapClient.java
new file mode 100644
index 0000000000..da66b93f2d
--- /dev/null
+++ b/framework/java/android/bluetooth/BluetoothMapClient.java
@@ -0,0 +1,415 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed 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 android.bluetooth;
+
+import android.app.PendingIntent;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.net.Uri;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * This class provides the APIs to control the Bluetooth MAP MCE Profile.
+ *
+ * @hide
+ */
+public final class BluetoothMapClient implements BluetoothProfile {
+
+    private static final String TAG = "BluetoothMapClient";
+    private static final boolean DBG = Log.isLoggable(TAG, Log.DEBUG);
+    private static final boolean VDBG = Log.isLoggable(TAG, Log.VERBOSE);
+
+    public static final String ACTION_CONNECTION_STATE_CHANGED =
+            "android.bluetooth.mapmce.profile.action.CONNECTION_STATE_CHANGED";
+    public static final String ACTION_MESSAGE_RECEIVED =
+            "android.bluetooth.mapmce.profile.action.MESSAGE_RECEIVED";
+    /* Actions to be used for pending intents */
+    public static final String ACTION_MESSAGE_SENT_SUCCESSFULLY =
+            "android.bluetooth.mapmce.profile.action.MESSAGE_SENT_SUCCESSFULLY";
+    public static final String ACTION_MESSAGE_DELIVERED_SUCCESSFULLY =
+            "android.bluetooth.mapmce.profile.action.MESSAGE_DELIVERED_SUCCESSFULLY";
+
+    private IBluetoothMapClient mService;
+    private final Context mContext;
+    private ServiceListener mServiceListener;
+    private BluetoothAdapter mAdapter;
+
+    /** There was an error trying to obtain the state */
+    public static final int STATE_ERROR = -1;
+
+    public static final int RESULT_FAILURE = 0;
+    public static final int RESULT_SUCCESS = 1;
+    /** Connection canceled before completion. */
+    public static final int RESULT_CANCELED = 2;
+
+    final private IBluetoothStateChangeCallback mBluetoothStateChangeCallback =
+            new IBluetoothStateChangeCallback.Stub() {
+                public void onBluetoothStateChange(boolean up) {
+                    if (DBG) Log.d(TAG, "onBluetoothStateChange: up=" + up);
+                    if (!up) {
+                        if (VDBG) Log.d(TAG, "Unbinding service...");
+                        synchronized (mConnection) {
+                            try {
+                                mService = null;
+                                mContext.unbindService(mConnection);
+                            } catch (Exception re) {
+                                Log.e(TAG, "", re);
+                            }
+                        }
+                    } else {
+                        synchronized (mConnection) {
+                            try {
+                                if (mService == null) {
+                                    if (VDBG) Log.d(TAG, "Binding service...");
+                                    doBind();
+                                }
+                            } catch (Exception re) {
+                                Log.e(TAG, "", re);
+                            }
+                        }
+                    }
+                }
+            };
+
+    /**
+     * Create a BluetoothMapClient proxy object.
+     */
+    /*package*/ BluetoothMapClient(Context context, ServiceListener l) {
+        if (DBG) Log.d(TAG, "Create BluetoothMapClient proxy object");
+        mContext = context;
+        mServiceListener = l;
+        mAdapter = BluetoothAdapter.getDefaultAdapter();
+        IBluetoothManager mgr = mAdapter.getBluetoothManager();
+        if (mgr != null) {
+            try {
+                mgr.registerStateChangeCallback(mBluetoothStateChangeCallback);
+            } catch (RemoteException e) {
+                Log.e(TAG, "", e);
+            }
+        }
+        doBind();
+    }
+
+    boolean doBind() {
+        Intent intent = new Intent(IBluetoothMapClient.class.getName());
+        ComponentName comp = intent.resolveSystemService(mContext.getPackageManager(), 0);
+        intent.setComponent(comp);
+        if (comp == null || !mContext.bindServiceAsUser(intent, mConnection, 0,
+                android.os.Process.myUserHandle())) {
+            Log.e(TAG, "Could not bind to Bluetooth MAP MCE Service with " + intent);
+            return false;
+        }
+        return true;
+    }
+
+    protected void finalize() throws Throwable {
+        try {
+            close();
+        } finally {
+            super.finalize();
+        }
+    }
+
+    /**
+     * Close the connection to the backing service.
+     * Other public functions of BluetoothMap will return default error
+     * results once close() has been called. Multiple invocations of close()
+     * are ok.
+     */
+    public void close() {
+        IBluetoothManager mgr = mAdapter.getBluetoothManager();
+        if (mgr != null) {
+            try {
+                mgr.unregisterStateChangeCallback(mBluetoothStateChangeCallback);
+            } catch (Exception e) {
+                Log.e(TAG, "", e);
+            }
+        }
+
+        synchronized (mConnection) {
+            if (mService != null) {
+                try {
+                    mService = null;
+                    mContext.unbindService(mConnection);
+                } catch (Exception re) {
+                    Log.e(TAG, "", re);
+                }
+            }
+        }
+        mServiceListener = null;
+    }
+
+    /**
+     * Returns true if the specified Bluetooth device is connected.
+     * Returns false if not connected, or if this proxy object is not
+     * currently connected to the Map service.
+     */
+    public boolean isConnected(BluetoothDevice device) {
+        if (VDBG) Log.d(TAG, "isConnected(" + device + ")");
+        if (mService != null) {
+            try {
+                return mService.isConnected(device);
+            } catch (RemoteException e) {
+                Log.e(TAG, e.toString());
+            }
+        } else {
+            Log.w(TAG, "Proxy not attached to service");
+            if (DBG) Log.d(TAG, Log.getStackTraceString(new Throwable()));
+        }
+        return false;
+    }
+
+    /**
+     * Initiate connection. Initiation of outgoing connections is not
+     * supported for MAP server.
+     */
+    public boolean connect(BluetoothDevice device) {
+        if (DBG) Log.d(TAG, "connect(" + device + ")" + "for MAPS MCE");
+        if (mService != null) {
+            try {
+                return mService.connect(device);
+            } catch (RemoteException e) {
+                Log.e(TAG, e.toString());
+            }
+        } else {
+            Log.w(TAG, "Proxy not attached to service");
+            if (DBG) Log.d(TAG, Log.getStackTraceString(new Throwable()));
+        }
+        return false;
+    }
+
+    /**
+     * Initiate disconnect.
+     *
+     * @param device Remote Bluetooth Device
+     * @return false on error, true otherwise
+     */
+    public boolean disconnect(BluetoothDevice device) {
+        if (DBG) Log.d(TAG, "disconnect(" + device + ")");
+        if (mService != null && isEnabled() &&
+                isValidDevice(device)) {
+            try {
+                return mService.disconnect(device);
+            } catch (RemoteException e) {
+                Log.e(TAG, Log.getStackTraceString(new Throwable()));
+            }
+        }
+        if (mService == null) Log.w(TAG, "Proxy not attached to service");
+        return false;
+    }
+
+    /**
+     * Get the list of connected devices. Currently at most one.
+     *
+     * @return list of connected devices
+     */
+    @Override
+    public List<BluetoothDevice> getConnectedDevices() {
+        if (DBG) Log.d(TAG, "getConnectedDevices()");
+        if (mService != null && isEnabled()) {
+            try {
+                return mService.getConnectedDevices();
+            } catch (RemoteException e) {
+                Log.e(TAG, Log.getStackTraceString(new Throwable()));
+                return new ArrayList<>();
+            }
+        }
+        if (mService == null) Log.w(TAG, "Proxy not attached to service");
+        return new ArrayList<>();
+    }
+
+    /**
+     * Get the list of devices matching specified states. Currently at most one.
+     *
+     * @return list of matching devices
+     */
+    @Override
+    public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) {
+        if (DBG) Log.d(TAG, "getDevicesMatchingStates()");
+        if (mService != null && isEnabled()) {
+            try {
+                return mService.getDevicesMatchingConnectionStates(states);
+            } catch (RemoteException e) {
+                Log.e(TAG, Log.getStackTraceString(new Throwable()));
+                return new ArrayList<>();
+            }
+        }
+        if (mService == null) Log.w(TAG, "Proxy not attached to service");
+        return new ArrayList<>();
+    }
+
+    /**
+     * Get connection state of device
+     *
+     * @return device connection state
+     */
+    @Override
+    public int getConnectionState(BluetoothDevice device) {
+        if (DBG) Log.d(TAG, "getConnectionState(" + device + ")");
+        if (mService != null && isEnabled() &&
+                isValidDevice(device)) {
+            try {
+                return mService.getConnectionState(device);
+            } catch (RemoteException e) {
+                Log.e(TAG, Log.getStackTraceString(new Throwable()));
+                return BluetoothProfile.STATE_DISCONNECTED;
+            }
+        }
+        if (mService == null) Log.w(TAG, "Proxy not attached to service");
+        return BluetoothProfile.STATE_DISCONNECTED;
+    }
+
+    /**
+     * Set priority of the profile
+     *
+     * <p> The device should already be paired.  Priority can be one of {@link #PRIORITY_ON} or
+     * {@link #PRIORITY_OFF},
+     *
+     * @param device Paired bluetooth device
+     * @return true if priority is set, false on error
+     */
+    public boolean setPriority(BluetoothDevice device, int priority) {
+        if (DBG) Log.d(TAG, "setPriority(" + device + ", " + priority + ")");
+        if (mService != null && isEnabled() &&
+                isValidDevice(device)) {
+            if (priority != BluetoothProfile.PRIORITY_OFF &&
+                    priority != BluetoothProfile.PRIORITY_ON) {
+                return false;
+            }
+            try {
+                return mService.setPriority(device, priority);
+            } catch (RemoteException e) {
+                Log.e(TAG, Log.getStackTraceString(new Throwable()));
+                return false;
+            }
+        }
+        if (mService == null) Log.w(TAG, "Proxy not attached to service");
+        return false;
+    }
+
+    /**
+     * Get the priority of the profile.
+     *
+     * <p> The priority can be any of:
+     * {@link #PRIORITY_AUTO_CONNECT}, {@link #PRIORITY_OFF},
+     * {@link #PRIORITY_ON}, {@link #PRIORITY_UNDEFINED}
+     *
+     * @param device Bluetooth device
+     * @return priority of the device
+     */
+    public int getPriority(BluetoothDevice device) {
+        if (VDBG) Log.d(TAG, "getPriority(" + device + ")");
+        if (mService != null && isEnabled() &&
+                isValidDevice(device)) {
+            try {
+                return mService.getPriority(device);
+            } catch (RemoteException e) {
+                Log.e(TAG, Log.getStackTraceString(new Throwable()));
+                return PRIORITY_OFF;
+            }
+        }
+        if (mService == null) Log.w(TAG, "Proxy not attached to service");
+        return PRIORITY_OFF;
+    }
+
+    /**
+     * Send a message.
+     *
+     * Send an SMS message to either the contacts primary number or the telephone number specified.
+     *
+     * @param device          Bluetooth device
+     * @param contacts        Uri[] of the contacts
+     * @param message         Message to be sent
+     * @param sentIntent      intent issued when message is sent
+     * @param deliveredIntent intent issued when message is delivered
+     * @return true if the message is enqueued, false on error
+     */
+    public boolean sendMessage(BluetoothDevice device, Uri[] contacts, String message,
+            PendingIntent sentIntent, PendingIntent deliveredIntent) {
+        if (DBG) Log.d(TAG, "sendMessage(" + device + ", " + contacts + ", " + message);
+        if (mService != null && isEnabled() && isValidDevice(device)) {
+            try {
+                return mService.sendMessage(device, contacts, message, sentIntent, deliveredIntent);
+            } catch (RemoteException e) {
+                Log.e(TAG, Log.getStackTraceString(new Throwable()));
+                return false;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Get unread messages.  Unread messages will be published via {@LINK #ACTION_MESSAGE_RECEIVED}.
+     *
+     * @param device Bluetooth device
+     * @return true if the message is enqueued, false on error
+     */
+    public boolean getUnreadMessages(BluetoothDevice device) {
+        if (DBG) Log.d(TAG, "getUnreadMessages(" + device + ")");
+        if (mService != null && isEnabled() && isValidDevice(device)) {
+            try {
+                return mService.getUnreadMessages(device);
+            } catch (RemoteException e) {
+                Log.e(TAG, Log.getStackTraceString(new Throwable()));
+                return false;
+            }
+        }
+        return false;
+    }
+
+    private final ServiceConnection mConnection = new ServiceConnection() {
+        public void onServiceConnected(ComponentName className, IBinder service) {
+            if (DBG) Log.d(TAG, "Proxy object connected");
+            mService = IBluetoothMapClient.Stub.asInterface(service);
+            if (mServiceListener != null) {
+                mServiceListener.onServiceConnected(BluetoothProfile.MAP_CLIENT,
+                    BluetoothMapClient.this);
+            }
+        }
+
+        public void onServiceDisconnected(ComponentName className) {
+            if (DBG) Log.d(TAG, "Proxy object disconnected");
+            mService = null;
+            if (mServiceListener != null) {
+                mServiceListener.onServiceDisconnected(BluetoothProfile.MAP_CLIENT);
+            }
+        }
+    };
+
+    private boolean isEnabled() {
+        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
+        if (adapter != null && adapter.getState() == BluetoothAdapter.STATE_ON) return true;
+        if (DBG) Log.d(TAG, "Bluetooth is Not enabled");
+        return false;
+    }
+
+    private boolean isValidDevice(BluetoothDevice device) {
+        if (device == null) return false;
+
+        if (BluetoothAdapter.checkBluetoothAddress(device.getAddress())) return true;
+        return false;
+    }
+
+
+}