am c008ca96: Merge "Work around for errant headsets." into gingerbread

Merge commit 'c008ca96bb32289958010dcf8f247c35ab9b1f18' into gingerbread-plus-aosp

* commit 'c008ca96bb32289958010dcf8f247c35ab9b1f18':
  Work around for errant headsets.

core/java/android/bluetooth/BluetoothDeviceProfileState.java

@@ -136,6 +136,10 @@ public final class BluetoothDeviceProfileState extends HierarchicalStateMachine
                 Message msg = new Message();
                 msg.what = AUTO_CONNECT_PROFILES;
                 sendMessageDelayed(msg, AUTO_CONNECT_DELAY);
+            } else if (action.equals(BluetoothDevice.ACTION_ACL_DISCONNECTED)) {
+                // This is technically not needed, but we can get stuck sometimes.
+                // For example, if incoming A2DP fails, we are not informed by Bluez
+                sendMessage(TRANSITION_TO_STABLE);
             }
       }
     };
@@ -175,6 +179,7 @@ public final class BluetoothDeviceProfileState extends HierarchicalStateMachine
         filter.addAction(BluetoothA2dp.ACTION_SINK_STATE_CHANGED);
         filter.addAction(BluetoothHeadset.ACTION_STATE_CHANGED);
         filter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
+        filter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
 
         mContext.registerReceiver(mBroadcastReceiver, filter);
 
@@ -302,7 +307,11 @@ public final class BluetoothDeviceProfileState extends HierarchicalStateMachine
                 Log.e(TAG, "Error: OutgoingHandsfree state with command:" + mCommand);
             }
             mStatus = processCommand(mCommand);
-            if (!mStatus) sendMessage(TRANSITION_TO_STABLE);
+            if (!mStatus) {
+                sendMessage(TRANSITION_TO_STABLE);
+                mService.sendProfileStateMessage(BluetoothProfileState.HFP,
+                                                 BluetoothProfileState.TRANSITION_TO_STABLE);
+            }
         }
 
         @Override
@@ -393,7 +402,11 @@ public final class BluetoothDeviceProfileState extends HierarchicalStateMachine
                 Log.e(TAG, "Error: IncomingHandsfree state with command:" + mCommand);
             }
             mStatus = processCommand(mCommand);
-            if (!mStatus) sendMessage(TRANSITION_TO_STABLE);
+            if (!mStatus) {
+                sendMessage(TRANSITION_TO_STABLE);
+                mService.sendProfileStateMessage(BluetoothProfileState.HFP,
+                                                 BluetoothProfileState.TRANSITION_TO_STABLE);
+            }
         }
 
         @Override
@@ -461,7 +474,11 @@ public final class BluetoothDeviceProfileState extends HierarchicalStateMachine
                 Log.e(TAG, "Error: OutgoingA2DP state with command:" + mCommand);
             }
             mStatus = processCommand(mCommand);
-            if (!mStatus) sendMessage(TRANSITION_TO_STABLE);
+            if (!mStatus) {
+                sendMessage(TRANSITION_TO_STABLE);
+                mService.sendProfileStateMessage(BluetoothProfileState.A2DP,
+                                                 BluetoothProfileState.TRANSITION_TO_STABLE);
+            }
         }
 
         @Override
@@ -549,7 +566,11 @@ public final class BluetoothDeviceProfileState extends HierarchicalStateMachine
                 Log.e(TAG, "Error: IncomingA2DP state with command:" + mCommand);
             }
             mStatus = processCommand(mCommand);
-            if (!mStatus) sendMessage(TRANSITION_TO_STABLE);
+            if (!mStatus) {
+                sendMessage(TRANSITION_TO_STABLE);
+                mService.sendProfileStateMessage(BluetoothProfileState.A2DP,
+                                                 BluetoothProfileState.TRANSITION_TO_STABLE);
+            }
         }
 
         @Override

core/java/android/bluetooth/BluetoothProfileState.java

@@ -43,10 +43,10 @@ public class BluetoothProfileState extends HierarchicalStateMachine {
     private static final boolean DBG = true; // STOPSHIP - change to false.
     private static final String TAG = "BluetoothProfileState";
 
-    public static int HFP = 0;
-    public static int A2DP = 1;
+    public static final int HFP = 0;
+    public static final int A2DP = 1;
 
-    private static int TRANSITION_TO_STABLE = 100;
+    static final int TRANSITION_TO_STABLE = 100;
 
     private int mProfile;
     private BluetoothDevice mPendingDevice;
@@ -57,7 +57,7 @@ public class BluetoothProfileState extends HierarchicalStateMachine {
         @Override
         public void onReceive(Context context, Intent intent) {
             String action = intent.getAction();
-
+            BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
             if (action.equals(BluetoothHeadset.ACTION_STATE_CHANGED)) {
                 int newState = intent.getIntExtra(BluetoothHeadset.EXTRA_STATE, 0);
                 if (mProfile == HFP && (newState == BluetoothHeadset.STATE_CONNECTED ||
@@ -70,6 +70,10 @@ public class BluetoothProfileState extends HierarchicalStateMachine {
                     newState == BluetoothA2dp.STATE_DISCONNECTED)) {
                     sendMessage(TRANSITION_TO_STABLE);
                 }
+            } else if (action.equals(BluetoothDevice.ACTION_ACL_DISCONNECTED)) {
+                if (device.equals(mPendingDevice)) {
+                    sendMessage(TRANSITION_TO_STABLE);
+                }
             }
         }
     };
@@ -84,6 +88,7 @@ public class BluetoothProfileState extends HierarchicalStateMachine {
         IntentFilter filter = new IntentFilter();
         filter.addAction(BluetoothA2dp.ACTION_SINK_STATE_CHANGED);
         filter.addAction(BluetoothHeadset.ACTION_STATE_CHANGED);
+        filter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
         context.registerReceiver(mBroadcastReceiver, filter);
     }
 

core/java/android/server/BluetoothEventLoop.java

@@ -539,7 +539,14 @@ class BluetoothEventLoop {
             authorized = a2dp.getSinkPriority(device) > BluetoothA2dp.PRIORITY_OFF;
             if (authorized) {
                 Log.i(TAG, "Allowing incoming A2DP / AVRCP connection from " + address);
-                mBluetoothService.notifyIncomingA2dpConnection(address);
+                // Some headsets try to connect AVCTP before AVDTP - against the recommendation
+                // If AVCTP connection fails, we get stuck in IncomingA2DP state in the state
+                // machine.  We don't handle AVCTP signals currently. We only send
+                // intents for AVDTP state changes. We need to handle both of them in
+                // some cases. For now, just don't move to incoming state in this case.
+                if (!BluetoothUuid.isAvrcpTarget(uuid)) {
+                    mBluetoothService.notifyIncomingA2dpConnection(address);
+                }
             } else {
                 Log.i(TAG, "Rejecting incoming A2DP / AVRCP connection from " + address);
             }

core/java/android/server/BluetoothService.java

@@ -2227,6 +2227,16 @@ public class BluetoothService extends IBluetooth.Stub {
         mA2dpService = a2dpService;
     }
 
+    public void sendProfileStateMessage(int profile, int cmd) {
+        Message msg = new Message();
+        msg.what = cmd;
+        if (profile == BluetoothProfileState.HFP) {
+            mHfpProfileState.sendMessage(msg);
+        } else if (profile == BluetoothProfileState.A2DP) {
+            mA2dpProfileState.sendMessage(msg);
+        }
+    }
+
     private static void log(String msg) {
         Log.d(TAG, msg);
     }