Merge "Emergency callback mode handling"

Author: isheriff

services/java/com/android/server/WifiService.java

@@ -69,6 +69,7 @@
 import java.io.PrintWriter;
 
 import com.android.internal.app.IBatteryStats;
+import com.android.internal.telephony.TelephonyIntents;
 import com.android.internal.util.AsyncChannel;
 import com.android.server.am.BatteryStatsService;
 import com.android.internal.R;
@@ -96,6 +97,7 @@ public class WifiService extends IWifiManager.Stub {
     private static final int IDLE_REQUEST = 0;
     private boolean mScreenOff;
     private boolean mDeviceIdle;
+    private boolean mEmergencyCallbackMode = false;
     private int mPluggedType;
 
     /* Chipset supports background scan */
@@ -996,6 +998,9 @@ public void onReceive(Context context, Intent intent) {
                 int state = intent.getIntExtra(BluetoothAdapter.EXTRA_CONNECTION_STATE,
                         BluetoothAdapter.STATE_DISCONNECTED);
                 mWifiStateMachine.sendBluetoothAdapterStateChange(state);
+            } else if (action.equals(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED)) {
+                mEmergencyCallbackMode = intent.getBooleanExtra("phoneinECMState", false);
+                updateWifiState();
             }
         }
 
@@ -1057,7 +1062,13 @@ private synchronized void reportStartWorkSource() {
     private void updateWifiState() {
         boolean lockHeld = mLocks.hasLocks();
         int strongestLockMode = WifiManager.WIFI_MODE_FULL;
-        boolean wifiShouldBeStarted = !mDeviceIdle || lockHeld;
+        boolean wifiShouldBeStarted;
+
+        if (mEmergencyCallbackMode) {
+            wifiShouldBeStarted = false;
+        } else {
+            wifiShouldBeStarted = !mDeviceIdle || lockHeld;
+        }
 
         if (lockHeld) {
             strongestLockMode = mLocks.getStrongestLockMode();
@@ -1097,6 +1108,7 @@ private void registerForBroadcasts() {
         intentFilter.addAction(Intent.ACTION_BATTERY_CHANGED);
         intentFilter.addAction(ACTION_DEVICE_IDLE);
         intentFilter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED);
+        intentFilter.addAction(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED);
         mContext.registerReceiver(mReceiver, intentFilter);
     }
 

wifi/java/android/net/wifi/p2p/WifiP2pService.java

@@ -61,6 +61,7 @@
 import android.widget.EditText;
 
 import com.android.internal.R;
+import com.android.internal.telephony.TelephonyIntents;
 import com.android.internal.util.AsyncChannel;
 import com.android.internal.util.Protocol;
 import com.android.internal.util.State;
@@ -134,6 +135,8 @@ public class WifiP2pService extends IWifiP2pManager.Stub {
 
     /* Airplane mode changed */
     private static final int AIRPLANE_MODE_CHANGED          =   BASE + 6;
+    /* Emergency callback mode */
+    private static final int EMERGENCY_CALLBACK_MODE        =   BASE + 7;
 
     private final boolean mP2pSupported;
     private final String mDeviceType;
@@ -172,6 +175,7 @@ public WifiP2pService(Context context) {
         IntentFilter filter = new IntentFilter();
         filter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION);
         filter.addAction(Intent.ACTION_AIRPLANE_MODE_CHANGED);
+        filter.addAction(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED);
         filter.addAction(WifiManager.WIFI_AP_STATE_CHANGED_ACTION);
         mContext.registerReceiver(new WifiStateReceiver(), filter);
 
@@ -185,14 +189,19 @@ public void connectivityServiceReady() {
     private class WifiStateReceiver extends BroadcastReceiver {
         @Override
         public void onReceive(Context context, Intent intent) {
-            if (intent.getAction().equals(WifiManager.WIFI_STATE_CHANGED_ACTION)) {
+            String action = intent.getAction();
+            if (action.equals(WifiManager.WIFI_STATE_CHANGED_ACTION)) {
                 mWifiState = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE,
                         WifiManager.WIFI_STATE_DISABLED);
-            } else if (intent.getAction().equals(WifiManager.WIFI_AP_STATE_CHANGED_ACTION)) {
+            } else if (action.equals(WifiManager.WIFI_AP_STATE_CHANGED_ACTION)) {
                 mWifiApState = intent.getIntExtra(WifiManager.EXTRA_WIFI_AP_STATE,
                         WifiManager.WIFI_AP_STATE_DISABLED);
-            } else if (intent.getAction().equals(Intent.ACTION_AIRPLANE_MODE_CHANGED)) {
+            } else if (action.equals(Intent.ACTION_AIRPLANE_MODE_CHANGED)) {
                 mP2pStateMachine.sendMessage(AIRPLANE_MODE_CHANGED);
+            } else if (action.equals(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED)) {
+                if (intent.getBooleanExtra("phoneinECMState", false) == true) {
+                    mP2pStateMachine.sendMessage(EMERGENCY_CALLBACK_MODE);
+                }
             }
         }
     }
@@ -361,6 +370,9 @@ public boolean processMessage(Message message) {
                 case AIRPLANE_MODE_CHANGED:
                     if (isAirplaneModeOn()) sendMessage(WifiP2pManager.DISABLE_P2P);
                     break;
+                case EMERGENCY_CALLBACK_MODE:
+                    sendMessage(WifiP2pManager.DISABLE_P2P);
+                    break;
                     // Ignore
                 case WIFI_DISABLE_USER_ACCEPT:
                 case WIFI_DISABLE_USER_REJECT: