BluetoothAvrcpController: Move AVRCP controller support to new BluetoothProfile subclass

Change-Id: Id988040a7ce623ed68e0349920301ff48db1fbce

7 files changed, 397 insertions, 32 deletions

diff --git a/framework/java/android/bluetooth/BluetoothA2dp.java b/framework/java/android/bluetooth/BluetoothA2dp.java
index 927aa2127e..5175490116 100644
--- a/framework/java/android/bluetooth/BluetoothA2dp.java
+++ b/framework/java/android/bluetooth/BluetoothA2dp.java
@@ -552,34 +552,4 @@ public final class BluetoothA2dp implements BluetoothProfile {
     private static void log(String msg) {
       Log.d(TAG, msg);
     }
-
-    /** @hide */
-    public void sendPassThroughCmd(int keyCode, int keyState) {
-        if (DBG) Log.d(TAG, "sendPassThroughCmd");
-        if (mService != null && isEnabled()) {
-            try {
-                mService.sendPassThroughCmd(keyCode, keyState);
-                return;
-            } catch (RemoteException e) {
-                Log.e(TAG, "Error talking to BT service in sendPassThroughCmd()", e);
-                return;
-            }
-        }
-        if (mService == null) Log.w(TAG, "Proxy not attached to service");
-    }
-
-    /** @hide */
-    public boolean isAvrcpConnected(BluetoothDevice device) {
-        if (DBG) Log.d(TAG, "isAvrcpConnected");
-        if (mService != null && isEnabled()) {
-            try {
-                return mService.isAvrcpConnected(device);
-            } catch (RemoteException e) {
-                Log.e(TAG, "Error talking to BT service in isAvrcpConnected()", e);
-                return false;
-            }
-        }
-        if (mService == null) Log.w(TAG, "Proxy not attached to service");
-        return false;
-    }
 }
diff --git a/framework/java/android/bluetooth/BluetoothAdapter.java b/framework/java/android/bluetooth/BluetoothAdapter.java
index ee0da22cdc..ba42f51b62 100644
--- a/framework/java/android/bluetooth/BluetoothAdapter.java
+++ b/framework/java/android/bluetooth/BluetoothAdapter.java
@@ -1393,6 +1393,9 @@ public final class BluetoothAdapter {
         } else if (profile == BluetoothProfile.A2DP_SINK) {
             BluetoothA2dpSink a2dpSink = new BluetoothA2dpSink(context, listener);
             return true;
+        } else if (profile == BluetoothProfile.AVRCP_CONTROLLER) {
+            BluetoothAvrcpController avrcp = new BluetoothAvrcpController(context, listener);
+            return true;
         } else if (profile == BluetoothProfile.INPUT_DEVICE) {
             BluetoothInputDevice iDev = new BluetoothInputDevice(context, listener);
             return true;
@@ -1440,6 +1443,10 @@ public final class BluetoothAdapter {
                 BluetoothA2dpSink a2dpSink = (BluetoothA2dpSink)proxy;
                 a2dpSink.close();
                 break;
+            case BluetoothProfile.AVRCP_CONTROLLER:
+                BluetoothAvrcpController avrcp = (BluetoothAvrcpController)proxy;
+                avrcp.close();
+                break;
             case BluetoothProfile.INPUT_DEVICE:
                 BluetoothInputDevice iDev = (BluetoothInputDevice)proxy;
                 iDev.close();
diff --git a/framework/java/android/bluetooth/BluetoothAvrcp.java b/framework/java/android/bluetooth/BluetoothAvrcp.java
new file mode 100644
index 0000000000..44fe1b7371
--- /dev/null
+++ b/framework/java/android/bluetooth/BluetoothAvrcp.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2014 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;
+
+/**
+ * This class contains constants for Bluetooth AVRCP profile.
+ *
+ * {@hide}
+ */
+public final class BluetoothAvrcp {
+
+    /*
+     * State flags for Passthrough commands
+    */
+    public static final int PASSTHROUGH_STATE_PRESS    = 0;
+    public static final int PASSTHROUGH_STATE_RELEASE  = 1;
+
+    /*
+     * Operation IDs for Passthrough commands
+    */
+    public static final int PASSTHROUGH_ID_SELECT      = 0x00;    /* select */
+    public static final int PASSTHROUGH_ID_UP          = 0x01;    /* up */
+    public static final int PASSTHROUGH_ID_DOWN        = 0x02;    /* down */
+    public static final int PASSTHROUGH_ID_LEFT        = 0x03;    /* left */
+    public static final int PASSTHROUGH_ID_RIGHT       = 0x04;    /* right */
+    public static final int PASSTHROUGH_ID_RIGHT_UP    = 0x05;    /* right-up */
+    public static final int PASSTHROUGH_ID_RIGHT_DOWN  = 0x06;    /* right-down */
+    public static final int PASSTHROUGH_ID_LEFT_UP     = 0x07;    /* left-up */
+    public static final int PASSTHROUGH_ID_LEFT_DOWN   = 0x08;    /* left-down */
+    public static final int PASSTHROUGH_ID_ROOT_MENU   = 0x09;    /* root menu */
+    public static final int PASSTHROUGH_ID_SETUP_MENU  = 0x0A;    /* setup menu */
+    public static final int PASSTHROUGH_ID_CONT_MENU   = 0x0B;    /* contents menu */
+    public static final int PASSTHROUGH_ID_FAV_MENU    = 0x0C;    /* favorite menu */
+    public static final int PASSTHROUGH_ID_EXIT        = 0x0D;    /* exit */
+    public static final int PASSTHROUGH_ID_0           = 0x20;    /* 0 */
+    public static final int PASSTHROUGH_ID_1           = 0x21;    /* 1 */
+    public static final int PASSTHROUGH_ID_2           = 0x22;    /* 2 */
+    public static final int PASSTHROUGH_ID_3           = 0x23;    /* 3 */
+    public static final int PASSTHROUGH_ID_4           = 0x24;    /* 4 */
+    public static final int PASSTHROUGH_ID_5           = 0x25;    /* 5 */
+    public static final int PASSTHROUGH_ID_6           = 0x26;    /* 6 */
+    public static final int PASSTHROUGH_ID_7           = 0x27;    /* 7 */
+    public static final int PASSTHROUGH_ID_8           = 0x28;    /* 8 */
+    public static final int PASSTHROUGH_ID_9           = 0x29;    /* 9 */
+    public static final int PASSTHROUGH_ID_DOT         = 0x2A;    /* dot */
+    public static final int PASSTHROUGH_ID_ENTER       = 0x2B;    /* enter */
+    public static final int PASSTHROUGH_ID_CLEAR       = 0x2C;    /* clear */
+    public static final int PASSTHROUGH_ID_CHAN_UP     = 0x30;    /* channel up */
+    public static final int PASSTHROUGH_ID_CHAN_DOWN   = 0x31;    /* channel down */
+    public static final int PASSTHROUGH_ID_PREV_CHAN   = 0x32;    /* previous channel */
+    public static final int PASSTHROUGH_ID_SOUND_SEL   = 0x33;    /* sound select */
+    public static final int PASSTHROUGH_ID_INPUT_SEL   = 0x34;    /* input select */
+    public static final int PASSTHROUGH_ID_DISP_INFO   = 0x35;    /* display information */
+    public static final int PASSTHROUGH_ID_HELP        = 0x36;    /* help */
+    public static final int PASSTHROUGH_ID_PAGE_UP     = 0x37;    /* page up */
+    public static final int PASSTHROUGH_ID_PAGE_DOWN   = 0x38;    /* page down */
+    public static final int PASSTHROUGH_ID_POWER       = 0x40;    /* power */
+    public static final int PASSTHROUGH_ID_VOL_UP      = 0x41;    /* volume up */
+    public static final int PASSTHROUGH_ID_VOL_DOWN    = 0x42;    /* volume down */
+    public static final int PASSTHROUGH_ID_MUTE        = 0x43;    /* mute */
+    public static final int PASSTHROUGH_ID_PLAY        = 0x44;    /* play */
+    public static final int PASSTHROUGH_ID_STOP        = 0x45;    /* stop */
+    public static final int PASSTHROUGH_ID_PAUSE       = 0x46;    /* pause */
+    public static final int PASSTHROUGH_ID_RECORD      = 0x47;    /* record */
+    public static final int PASSTHROUGH_ID_REWIND      = 0x48;    /* rewind */
+    public static final int PASSTHROUGH_ID_FAST_FOR    = 0x49;    /* fast forward */
+    public static final int PASSTHROUGH_ID_EJECT       = 0x4A;    /* eject */
+    public static final int PASSTHROUGH_ID_FORWARD     = 0x4B;    /* forward */
+    public static final int PASSTHROUGH_ID_BACKWARD    = 0x4C;    /* backward */
+    public static final int PASSTHROUGH_ID_ANGLE       = 0x50;    /* angle */
+    public static final int PASSTHROUGH_ID_SUBPICT     = 0x51;    /* subpicture */
+    public static final int PASSTHROUGH_ID_F1          = 0x71;    /* F1 */
+    public static final int PASSTHROUGH_ID_F2          = 0x72;    /* F2 */
+    public static final int PASSTHROUGH_ID_F3          = 0x73;    /* F3 */
+    public static final int PASSTHROUGH_ID_F4          = 0x74;    /* F4 */
+    public static final int PASSTHROUGH_ID_F5          = 0x75;    /* F5 */
+    public static final int PASSTHROUGH_ID_VENDOR      = 0x7E;    /* vendor unique */
+    public static final int PASSTHROUGH_KEYPRESSED_RELEASE = 0x80;
+}
diff --git a/framework/java/android/bluetooth/BluetoothAvrcpController.java b/framework/java/android/bluetooth/BluetoothAvrcpController.java
new file mode 100644
index 0000000000..b53a8fc0f6
--- /dev/null
+++ b/framework/java/android/bluetooth/BluetoothAvrcpController.java
@@ -0,0 +1,260 @@
+/*
+ * Copyright (C) 2014 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.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * This class provides the public APIs to control the Bluetooth AVRCP Controller
+ * profile.
+ *
+ *<p>BluetoothAvrcpController is a proxy object for controlling the Bluetooth AVRCP
+ * Service via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get
+ * the BluetoothAvrcpController proxy object.
+ *
+ * {@hide}
+ */
+public final class BluetoothAvrcpController implements BluetoothProfile {
+    private static final String TAG = "BluetoothAvrcpController";
+    private static final boolean DBG = true;
+    private static final boolean VDBG = false;
+
+    /**
+     * Intent used to broadcast the change in connection state of the AVRCP Controller
+     * profile.
+     *
+     * <p>This intent will have 3 extras:
+     * <ul>
+     *   <li> {@link #EXTRA_STATE} - The current state of the profile. </li>
+     *   <li> {@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile.</li>
+     *   <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
+     * </ul>
+     *
+     * <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of
+     * {@link #STATE_DISCONNECTED}, {@link #STATE_CONNECTING},
+     * {@link #STATE_CONNECTED}, {@link #STATE_DISCONNECTING}.
+     *
+     * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission to
+     * receive.
+     */
+    public static final String ACTION_CONNECTION_STATE_CHANGED =
+        "android.bluetooth.acrcp-controller.profile.action.CONNECTION_STATE_CHANGED";
+
+    private Context mContext;
+    private ServiceListener mServiceListener;
+    private IBluetoothAvrcpController mService;
+    private BluetoothAdapter mAdapter;
+
+    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 BluetoothAvrcpController proxy object for interacting with the local
+     * Bluetooth AVRCP service.
+     *
+     */
+    /*package*/ BluetoothAvrcpController(Context context, ServiceListener l) {
+        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(IBluetoothAvrcpController.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 AVRCP Controller Service with " + intent);
+            return false;
+        }
+        return true;
+    }
+
+    /*package*/ void close() {
+        mServiceListener = null;
+        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);
+                }
+            }
+        }
+    }
+
+    public void finalize() {
+        close();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public List<BluetoothDevice> getConnectedDevices() {
+        if (VDBG) log("getConnectedDevices()");
+        if (mService != null && isEnabled()) {
+            try {
+                return mService.getConnectedDevices();
+            } catch (RemoteException e) {
+                Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
+                return new ArrayList<BluetoothDevice>();
+            }
+        }
+        if (mService == null) Log.w(TAG, "Proxy not attached to service");
+        return new ArrayList<BluetoothDevice>();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) {
+        if (VDBG) log("getDevicesMatchingStates()");
+        if (mService != null && isEnabled()) {
+            try {
+                return mService.getDevicesMatchingConnectionStates(states);
+            } catch (RemoteException e) {
+                Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
+                return new ArrayList<BluetoothDevice>();
+            }
+        }
+        if (mService == null) Log.w(TAG, "Proxy not attached to service");
+        return new ArrayList<BluetoothDevice>();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public int getConnectionState(BluetoothDevice device) {
+        if (VDBG) log("getState(" + device + ")");
+        if (mService != null && isEnabled()
+            && isValidDevice(device)) {
+            try {
+                return mService.getConnectionState(device);
+            } catch (RemoteException e) {
+                Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
+                return BluetoothProfile.STATE_DISCONNECTED;
+            }
+        }
+        if (mService == null) Log.w(TAG, "Proxy not attached to service");
+        return BluetoothProfile.STATE_DISCONNECTED;
+    }
+
+    public void sendPassThroughCmd(BluetoothDevice device, int keyCode, int keyState) {
+        if (DBG) Log.d(TAG, "sendPassThroughCmd");
+        if (mService != null && isEnabled()) {
+            try {
+                mService.sendPassThroughCmd(device, keyCode, keyState);
+                return;
+            } catch (RemoteException e) {
+                Log.e(TAG, "Error talking to BT service in sendPassThroughCmd()", e);
+                return;
+            }
+        }
+        if (mService == null) Log.w(TAG, "Proxy not attached to service");
+    }
+
+    private final ServiceConnection mConnection = new ServiceConnection() {
+        public void onServiceConnected(ComponentName className, IBinder service) {
+            if (DBG) Log.d(TAG, "Proxy object connected");
+            mService = IBluetoothAvrcpController.Stub.asInterface(service);
+
+            if (mServiceListener != null) {
+                mServiceListener.onServiceConnected(BluetoothProfile.AVRCP_CONTROLLER,
+                        BluetoothAvrcpController.this);
+            }
+        }
+        public void onServiceDisconnected(ComponentName className) {
+            if (DBG) Log.d(TAG, "Proxy object disconnected");
+            mService = null;
+            if (mServiceListener != null) {
+                mServiceListener.onServiceDisconnected(BluetoothProfile.AVRCP_CONTROLLER);
+            }
+        }
+    };
+
+    private boolean isEnabled() {
+       if (mAdapter.getState() == BluetoothAdapter.STATE_ON) return true;
+       return false;
+    }
+
+    private boolean isValidDevice(BluetoothDevice device) {
+       if (device == null) return false;
+
+       if (BluetoothAdapter.checkBluetoothAddress(device.getAddress())) return true;
+       return false;
+    }
+
+    private static void log(String msg) {
+      Log.d(TAG, msg);
+    }
+}
diff --git a/framework/java/android/bluetooth/BluetoothProfile.java b/framework/java/android/bluetooth/BluetoothProfile.java
index ee95eceadb..136740505a 100644
--- a/framework/java/android/bluetooth/BluetoothProfile.java
+++ b/framework/java/android/bluetooth/BluetoothProfile.java
@@ -110,6 +110,12 @@ public interface BluetoothProfile {
     public static final int A2DP_SINK = 10;
 
     /**
+     * AVRCP Controller Profile
+     * @hide
+     */
+    public static final int AVRCP_CONTROLLER = 11;
+
+    /**
      * Headset Client - HFP HF Role
      * @hide
      */
diff --git a/framework/java/android/bluetooth/IBluetoothA2dp.aidl b/framework/java/android/bluetooth/IBluetoothA2dp.aidl
index 4d9c0079fe..26ff9e274c 100644
--- a/framework/java/android/bluetooth/IBluetoothA2dp.aidl
+++ b/framework/java/android/bluetooth/IBluetoothA2dp.aidl
@@ -36,6 +36,4 @@ interface IBluetoothA2dp {
     oneway void adjustAvrcpAbsoluteVolume(int direction);
     oneway void setAvrcpAbsoluteVolume(int volume);
     boolean isA2dpPlaying(in BluetoothDevice device);
-    void sendPassThroughCmd(int keyCode, int keyState);
-    boolean isAvrcpConnected(in BluetoothDevice device);
 }
diff --git a/framework/java/android/bluetooth/IBluetoothAvrcpController.aidl b/framework/java/android/bluetooth/IBluetoothAvrcpController.aidl
new file mode 100644
index 0000000000..f917a50860
--- /dev/null
+++ b/framework/java/android/bluetooth/IBluetoothAvrcpController.aidl
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2014 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.bluetooth.BluetoothDevice;
+
+/**
+ * APIs for Bluetooth AVRCP controller service
+ *
+ * @hide
+ */
+interface IBluetoothAvrcpController {
+    List<BluetoothDevice> getConnectedDevices();
+    List<BluetoothDevice> getDevicesMatchingConnectionStates(in int[] states);
+    int getConnectionState(in BluetoothDevice device);
+    void sendPassThroughCmd(in BluetoothDevice device, int keyCode, int keyState);
+}