b/2498180 b/2568119 Retry if BT dock disconnects unexpectedly

Change-Id: Ic4771e7c305192fee56f5f80c6cabeecf11a99dc

1 files changed, 53 insertions, 0 deletions

diff --git a/src/com/android/settings/bluetooth/DockEventReceiver.java b/src/com/android/settings/bluetooth/DockEventReceiver.java
index 2d634b2..6d11972 100644
--- a/src/com/android/settings/bluetooth/DockEventReceiver.java
+++ b/src/com/android/settings/bluetooth/DockEventReceiver.java
@@ -16,12 +16,17 @@
 
 package com.android.settings.bluetooth;
 
+import com.android.settings.bluetooth.LocalBluetoothProfileManager.Profile;
+
 import android.app.Service;
+import android.bluetooth.BluetoothA2dp;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothHeadset;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.os.PowerManager;
 import android.util.Log;
 
@@ -75,6 +80,54 @@ public class DockEventReceiver extends BroadcastReceiver {
                     if (DEBUG) Log.e(TAG, "Unknown state");
                     break;
             }
+        } else if (BluetoothHeadset.ACTION_STATE_CHANGED.equals(intent.getAction())) {
+            /*
+             *  Reconnect to the dock if:
+             *  1) it is a dock
+             *  2) it is disconnected
+             *  3) the disconnect is initiated remotely
+             *  4) the dock is still docked (check can only be done in the Service)
+             */
+            if (device == null) {
+                if (DEBUG) Log.d(TAG, "Device is missing");
+                return;
+            }
+
+            int newState = intent.getIntExtra(BluetoothHeadset.EXTRA_STATE,
+                    BluetoothHeadset.STATE_CONNECTED);
+            if (newState != BluetoothHeadset.STATE_DISCONNECTED) return;
+
+            int source = intent.getIntExtra(BluetoothHeadset.EXTRA_DISCONNECT_INITIATOR,
+                    BluetoothHeadset.LOCAL_DISCONNECT);
+            if (source != BluetoothHeadset.REMOTE_DISCONNECT) return;
+
+            // Too bad, the dock state can't be checked from a BroadcastReceiver.
+            Intent i = new Intent(intent);
+            i.setClass(context, DockService.class);
+            beginStartingService(context, i);
+
+        } else if (BluetoothA2dp.ACTION_SINK_STATE_CHANGED.equals(intent.getAction())) {
+            /*
+             *  Reconnect to the dock if:
+             *  1) it is a dock
+             *  2) it is an unexpected disconnect i.e. didn't go through disconnecting state
+             *  3) the dock is still docked (check can only be done in the Service)
+             */
+            if (device == null) {
+                if (DEBUG) Log.d(TAG, "Device is missing");
+                return;
+            }
+
+            int newState = intent.getIntExtra(BluetoothA2dp.EXTRA_SINK_STATE, 0);
+            int oldState = intent.getIntExtra(BluetoothA2dp.EXTRA_PREVIOUS_SINK_STATE, 0);
+            if (newState == BluetoothA2dp.STATE_DISCONNECTED &&
+                    oldState != BluetoothA2dp.STATE_DISCONNECTING) {
+                // Too bad, the dock state can't be checked from a BroadcastReceiver.
+                Intent i = new Intent(intent);
+                i.setClass(context, DockService.class);
+                beginStartingService(context, i);
+            }
+
         } else if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) {
             int btState = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
             if (btState != BluetoothAdapter.STATE_TURNING_ON) {