Merge "Add Save and Restore of BluetoothOn setting"

core/java/android/provider/Settings.java

@@ -9114,7 +9114,8 @@ public final class Settings {
             CALL_AUTO_RETRY,
             DOCK_AUDIO_MEDIA_ENABLED,
             ENCODED_SURROUND_OUTPUT,
-            LOW_POWER_MODE_TRIGGER_LEVEL
+            LOW_POWER_MODE_TRIGGER_LEVEL,
+            BLUETOOTH_ON
         };
 
         // Populated lazily, guarded by class object:

packages/SettingsProvider/src/com/android/providers/settings/SettingsHelper.java

@@ -62,11 +62,12 @@ public class SettingsHelper {
      */
     private static final ArraySet<String> sBroadcastOnRestore;
     static {
-        sBroadcastOnRestore = new ArraySet<String>(4);
+        sBroadcastOnRestore = new ArraySet<String>(5);
         sBroadcastOnRestore.add(Settings.Secure.ENABLED_NOTIFICATION_LISTENERS);
         sBroadcastOnRestore.add(Settings.Secure.ENABLED_VR_LISTENERS);
         sBroadcastOnRestore.add(Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES);
         sBroadcastOnRestore.add(Settings.Secure.ENABLED_INPUT_METHODS);
+        sBroadcastOnRestore.add(Settings.Global.BLUETOOTH_ON);
     }
 
     private interface SettingsLookup {

services/core/java/com/android/server/BluetoothManagerService.java

@@ -90,6 +90,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
     private static final String REASON_SYSTEM_BOOT = "system boot";
     private static final String REASON_UNEXPECTED = "unexpected crash";
     private static final String REASON_USER_SWITCH = "user switch";
+    private static final String REASON_RESTORE_USER_SETTING = "restore user setting";
 
     private static final int TIMEOUT_BIND_MS = 3000; //Maximum msec to wait for a bind
     //Maximum msec to wait for service restart
@@ -118,6 +119,10 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
     private static final int MESSAGE_USER_UNLOCKED = 301;
     private static final int MESSAGE_ADD_PROXY_DELAYED = 400;
     private static final int MESSAGE_BIND_PROFILE_SERVICE = 401;
+    private static final int MESSAGE_RESTORE_USER_SETTING = 500;
+
+    private static final int RESTORE_SETTING_TO_ON = 1;
+    private static final int RESTORE_SETTING_TO_OFF = 0;
 
     private static final int MAX_SAVE_RETRIES = 3;
     private static final int MAX_ERROR_RESTART_RETRIES = 6;
@@ -315,6 +320,26 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
                 } else {
                     if (DBG) Slog.e(TAG, "No Bluetooth Adapter address parameter found");
                 }
+            } else if (Intent.ACTION_SETTING_RESTORED.equals(action)) {
+                final String name = intent.getStringExtra(Intent.EXTRA_SETTING_NAME);
+                if (Settings.Global.BLUETOOTH_ON.equals(name)) {
+                    // The Bluetooth On state may be changed during system restore.
+                    final String prevValue = intent.getStringExtra(
+                            Intent.EXTRA_SETTING_PREVIOUS_VALUE);
+                    final String newValue = intent.getStringExtra(
+                            Intent.EXTRA_SETTING_NEW_VALUE);
+
+                    if (DBG) Slog.d(TAG, "ACTION_SETTING_RESTORED with BLUETOOTH_ON, prevValue=" +
+                                    prevValue + ", newValue=" + newValue);
+
+                    if ((newValue != null) && (prevValue != null) && !prevValue.equals(newValue)) {
+                        Message msg = mHandler.obtainMessage(MESSAGE_RESTORE_USER_SETTING,
+                                                             newValue.equals("0") ?
+                                                             RESTORE_SETTING_TO_OFF :
+                                                             RESTORE_SETTING_TO_ON, 0);
+                        mHandler.sendMessage(msg);
+                    }
+                }
             }
         }
     };
@@ -348,12 +373,14 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
         registerForBleScanModeChange();
         mCallbacks = new RemoteCallbackList<IBluetoothManagerCallback>();
         mStateChangeCallbacks = new RemoteCallbackList<IBluetoothStateChangeCallback>();
-        IntentFilter filter = new IntentFilter(BluetoothAdapter.ACTION_LOCAL_NAME_CHANGED);
+
-        filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY);
+        IntentFilter filter = new IntentFilter();
-        mContext.registerReceiver(mReceiver, filter);
+        filter.addAction(BluetoothAdapter.ACTION_LOCAL_NAME_CHANGED);
-        filter = new IntentFilter(BluetoothAdapter.ACTION_BLUETOOTH_ADDRESS_CHANGED);
+        filter.addAction(BluetoothAdapter.ACTION_BLUETOOTH_ADDRESS_CHANGED);
+        filter.addAction(Intent.ACTION_SETTING_RESTORED);
         filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY);
         mContext.registerReceiver(mReceiver, filter);
+
         loadStoredNameAndAddress();
         if (isBluetoothPersistedStateOn()) {
             if (DBG) Slog.d(TAG, "Startup: Bluetooth persisted state is ON.");
@@ -1424,6 +1451,20 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
                     }
                     break;
 
+                case MESSAGE_RESTORE_USER_SETTING:
+                    try {
+                        if ((msg.arg1 == RESTORE_SETTING_TO_OFF) && mEnable) {
+                            if (DBG) Slog.d(TAG, "Restore Bluetooth state to disabled");
+                            disable(REASON_RESTORE_USER_SETTING, true);
+                        } else if ((msg.arg1 == RESTORE_SETTING_TO_ON) && !mEnable) {
+                            if (DBG) Slog.d(TAG, "Restore Bluetooth state to enabled");
+                            enable(REASON_RESTORE_USER_SETTING);
+                        }
+                    } catch (RemoteException e) {
+                        Slog.e(TAG,"Unable to change Bluetooth On setting", e);
+                    }
+                    break;
+
                 case MESSAGE_REGISTER_ADAPTER:
                 {
                     IBluetoothManagerCallback callback = (IBluetoothManagerCallback) msg.obj;