[Settings] Remove PhoneStateIntentReceiver

1. Replace PhoneStateIntentReceiver by adopting PhoneStateListener
2. Replace TelephonyProperties.in_ecm_mode() by
TelephonyManager.getEmergencyCallbackMode()

Bug: 144331663
Change-Id: Ib127cb165c65f50851c4390b05a16dfb8024fab1
Bug: 145830780
Test: Manual
Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=AirplaneModeEnabler
Merged-In: Ib39ab1881484f65bc5a3834b2828c6ba98198cca

src/com/android/settings/AirplaneModeEnabler.java

@@ -19,28 +19,34 @@ package com.android.settings;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.Intent;
-import android.database.ContentObserver;
-import android.os.Handler;
-import android.os.Looper;
-import android.os.Message;
-import android.os.SystemProperties;
 import android.os.UserHandle;
 import android.provider.Settings;
+import android.telephony.PhoneStateListener;
+import android.telephony.SubscriptionInfo;
+import android.telephony.TelephonyManager;
+import android.util.Log;
 
-import com.android.internal.telephony.PhoneStateIntentReceiver;
+import androidx.annotation.VisibleForTesting;
-import com.android.internal.telephony.TelephonyProperties;
+
+import com.android.settings.network.GlobalSettingsChangeListener;
+import com.android.settings.network.ProxySubscriptionManager;
+import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.WirelessUtils;
 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
 
-public class AirplaneModeEnabler {
+import java.util.List;
 
-    private static final int EVENT_SERVICE_STATE_CHANGED = 3;
+/**
+ * Monitor and update configuration of airplane mode settings
+ */
+public class AirplaneModeEnabler extends GlobalSettingsChangeListener {
+
+    private static final String LOG_TAG = "AirplaneModeEnabler";
+    private static final boolean DEBUG = false;
 
     private final Context mContext;
     private final MetricsFeatureProvider mMetricsFeatureProvider;
 
-    private PhoneStateIntentReceiver mPhoneStateReceiver;
-
     private OnAirplaneModeChangedListener mOnAirplaneModeChangedListener;
 
     public interface OnAirplaneModeChangedListener {
@@ -52,46 +58,50 @@ public class AirplaneModeEnabler {
         void onAirplaneModeChanged(boolean isAirplaneModeOn);
     }
 
-    private Handler mHandler = new Handler(Looper.getMainLooper()) {
+    private TelephonyManager mTelephonyManager;
-        @Override
+    @VisibleForTesting
-        public void handleMessage(Message msg) {
+    PhoneStateListener mPhoneStateListener;
-            switch (msg.what) {
-                case EVENT_SERVICE_STATE_CHANGED:
-                    onAirplaneModeChanged();
-                    break;
-            }
-        }
-    };
 
-    private ContentObserver mAirplaneModeObserver = new ContentObserver(
+    private GlobalSettingsChangeListener mAirplaneModeObserver;
-            new Handler(Looper.getMainLooper())) {
-        @Override
-        public void onChange(boolean selfChange) {
-            onAirplaneModeChanged();
-        }
-    };
 
-    public AirplaneModeEnabler(Context context, MetricsFeatureProvider metricsFeatureProvider,
+    public AirplaneModeEnabler(Context context, OnAirplaneModeChangedListener listener) {
-            OnAirplaneModeChangedListener listener) {
+        super(context, Settings.Global.AIRPLANE_MODE_ON);
 
         mContext = context;
-        mMetricsFeatureProvider = metricsFeatureProvider;
+        mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
         mOnAirplaneModeChangedListener = listener;
 
-        mPhoneStateReceiver = new PhoneStateIntentReceiver(mContext, mHandler);
+        mTelephonyManager = context.getSystemService(TelephonyManager.class);
-        mPhoneStateReceiver.notifyServiceState(EVENT_SERVICE_STATE_CHANGED);
+
+        mPhoneStateListener = new PhoneStateListener() {
+            @Override
+            public void onRadioPowerStateChanged(int state) {
+                if (DEBUG) {
+                    Log.d(LOG_TAG, "RadioPower: " + state);
+                }
+                onAirplaneModeChanged();
+            }
+        };
+    }
+
+    /**
+     * Implementation of GlobalSettingsChangeListener.onChanged
+     */
+    public void onChanged(String field) {
+        if (DEBUG) {
+            Log.d(LOG_TAG, "Airplane mode configuration update");
+        }
+        onAirplaneModeChanged();
     }
 
     public void resume() {
-        mPhoneStateReceiver.registerIntent();
+        mTelephonyManager.listen(mPhoneStateListener,
-        mContext.getContentResolver().registerContentObserver(
+                PhoneStateListener.LISTEN_RADIO_POWER_STATE_CHANGED);
-                Settings.Global.getUriFor(Settings.Global.AIRPLANE_MODE_ON), true,
-                mAirplaneModeObserver);
     }
 
     public void pause() {
-        mPhoneStateReceiver.unregisterIntent();
+        mTelephonyManager.listen(mPhoneStateListener,
-        mContext.getContentResolver().unregisterContentObserver(mAirplaneModeObserver);
+                PhoneStateListener.LISTEN_NONE);
     }
 
     private void setAirplaneModeOn(boolean enabling) {
@@ -105,7 +115,7 @@ public class AirplaneModeEnabler {
         }
 
         // Post the intent
-        Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
+        final Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
         intent.putExtra("state", enabling);
         mContext.sendBroadcastAsUser(intent, UserHandle.ALL);
     }
@@ -124,10 +134,36 @@ public class AirplaneModeEnabler {
         }
     }
 
+    /**
+     * Check the status of ECM mode
+     *
+     * @return any subscription within device is under ECM mode
+     */
+    public boolean isInEcmMode() {
+        if (mTelephonyManager.getEmergencyCallbackMode()) {
+            return true;
+        }
+        final List<SubscriptionInfo> subInfoList =
+                ProxySubscriptionManager.getInstance(mContext).getActiveSubscriptionsInfo();
+        if (subInfoList == null) {
+            return false;
+        }
+        for (SubscriptionInfo subInfo : subInfoList) {
+            final TelephonyManager telephonyManager =
+                    mTelephonyManager.createForSubscriptionId(subInfo.getSubscriptionId());
+            if (telephonyManager != null) {
+                if (telephonyManager.getEmergencyCallbackMode()) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
     public void setAirplaneMode(boolean isAirplaneModeOn) {
-        if (Boolean.parseBoolean(
+        if (isInEcmMode()) {
-                SystemProperties.get(TelephonyProperties.PROPERTY_INECM_MODE))) {
             // In ECM mode, do not update database at this point
+            Log.d(LOG_TAG, "ECM airplane mode=" + isAirplaneModeOn);
         } else {
             mMetricsFeatureProvider.action(mContext, SettingsEnums.ACTION_AIRPLANE_TOGGLE,
                     isAirplaneModeOn);
@@ -136,6 +172,7 @@ public class AirplaneModeEnabler {
     }
 
     public void setAirplaneModeInECM(boolean isECMExit, boolean isAirplaneModeOn) {
+        Log.d(LOG_TAG, "Exist ECM=" + isECMExit + ", with airplane mode=" + isAirplaneModeOn);
         if (isECMExit) {
             // update database based on the current checkbox state
             setAirplaneModeOn(isAirplaneModeOn);

src/com/android/settings/network/AirplaneModePreferenceController.java

@@ -20,7 +20,6 @@ import static android.provider.SettingsSlicesContract.KEY_AIRPLANE_MODE;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
-import android.os.SystemProperties;
 
 import androidx.fragment.app.Fragment;
 import androidx.preference.Preference;
@@ -28,12 +27,9 @@ import androidx.preference.PreferenceScreen;
 import androidx.preference.SwitchPreference;
 
 import com.android.internal.telephony.TelephonyIntents;
-import com.android.internal.telephony.TelephonyProperties;
 import com.android.settings.AirplaneModeEnabler;
 import com.android.settings.R;
 import com.android.settings.core.TogglePreferenceController;
-import com.android.settings.overlay.FeatureFactory;
-import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.core.lifecycle.events.OnPause;
 import com.android.settingslib.core.lifecycle.events.OnResume;
@@ -47,14 +43,15 @@ public class AirplaneModePreferenceController extends TogglePreferenceController
     private static final String EXIT_ECM_RESULT = "exit_ecm_result";
 
     private Fragment mFragment;
-    private final MetricsFeatureProvider mMetricsFeatureProvider;
     private AirplaneModeEnabler mAirplaneModeEnabler;
     private SwitchPreference mAirplaneModePreference;
 
     public AirplaneModePreferenceController(Context context, String key) {
         super(context, key);
-        mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
+
-        mAirplaneModeEnabler = new AirplaneModeEnabler(mContext, mMetricsFeatureProvider, this);
+        if (isAvailable(mContext)) {
+            mAirplaneModeEnabler = new AirplaneModeEnabler(mContext, this);
+        }
     }
 
     public void setFragment(Fragment hostFragment) {
@@ -63,8 +60,8 @@ public class AirplaneModePreferenceController extends TogglePreferenceController
 
     @Override
     public boolean handlePreferenceTreeClick(Preference preference) {
-        if (KEY_AIRPLANE_MODE.equals(preference.getKey()) && Boolean.parseBoolean(
+        if (KEY_AIRPLANE_MODE.equals(preference.getKey())
-                SystemProperties.get(TelephonyProperties.PROPERTY_INECM_MODE))) {
+                && mAirplaneModeEnabler.isInEcmMode()) {
             // In ECM mode launch ECM app dialog
             if (mFragment != null) {
                 mFragment.startActivityForResult(
@@ -80,9 +77,7 @@ public class AirplaneModePreferenceController extends TogglePreferenceController
     @Override
     public void displayPreference(PreferenceScreen screen) {
         super.displayPreference(screen);
-        if (isAvailable()) {
+        mAirplaneModePreference = screen.findPreference(getPreferenceKey());
-            mAirplaneModePreference = screen.findPreference(getPreferenceKey());
-        }
     }
 
     public static boolean isAvailable(Context context) {
@@ -117,7 +112,7 @@ public class AirplaneModePreferenceController extends TogglePreferenceController
 
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (requestCode == REQUEST_CODE_EXIT_ECM) {
-            Boolean isChoiceYes = data.getBooleanExtra(EXIT_ECM_RESULT, false);
+            final boolean isChoiceYes = data.getBooleanExtra(EXIT_ECM_RESULT, false);
             // Set Airplane mode based on the return value and checkbox state
             mAirplaneModeEnabler.setAirplaneModeInECM(isChoiceYes,
                     mAirplaneModePreference.isChecked());

tests/robotests/src/com/android/settings/AirplaneModeEnablerTest.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2019 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 com.android.settings;
+
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+import android.telephony.TelephonyManager;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.shadows.ShadowSettings;
+
+
+@RunWith(AndroidJUnit4.class)
+public final class AirplaneModeEnablerTest {
+
+    private Context mContext;
+
+    @Mock
+    private AirplaneModeChangedListener mAirplaneModeChangedListener;
+    private AirplaneModeEnabler mAirplaneModeEnabler;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = RuntimeEnvironment.application.getBaseContext();
+        mAirplaneModeEnabler = new AirplaneModeEnabler(mContext,
+                mAirplaneModeChangedListener);
+    }
+
+    @Test
+    public void onRadioPowerStateChanged_beenInvoke_invokeOnAirplaneModeChanged() {
+        mAirplaneModeEnabler.resume();
+
+        ShadowSettings.setAirplaneMode(true);
+
+        mAirplaneModeEnabler.mPhoneStateListener.onRadioPowerStateChanged(
+                TelephonyManager.RADIO_POWER_OFF);
+
+        verify(mAirplaneModeChangedListener, times(1)).onAirplaneModeChanged(true);
+    }
+
+    private class AirplaneModeChangedListener
+            implements AirplaneModeEnabler.OnAirplaneModeChangedListener {
+        public void onAirplaneModeChanged(boolean isAirplaneModeOn) {}
+    }
+}