Show footer to notify user no 5G in DSDS mode.

/*

 * Copyright (C) 2020 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.network.telephony;

import android.content.Context;

import android.telephony.SubscriptionManager;

import android.telephony.TelephonyManager;

import com.android.settings.core.BasePreferenceController;

/**

 * Class to show the footer that can't connect to 5G when device is in DSDS mode.

 */

public class NrDisabledInDsdsFooterPreferenceController extends BasePreferenceController {

    private int mSubId;

    /**

     * Constructor.

     */

    public NrDisabledInDsdsFooterPreferenceController(Context context, String preferenceKey) {

        super(context, preferenceKey);

        mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;

    }

    /**

     * Init and specify a subId.

     */

    public void init(int subId) {

        mSubId = subId;

    }

    @Override

    public int getAvailabilityStatus() {

        if (mSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {

            return CONDITIONALLY_UNAVAILABLE;

        }

        final TelephonyManager teleManager = ((TelephonyManager)

                mContext.getSystemService(Context.TELEPHONY_SERVICE))

                .createForSubscriptionId(mSubId);

        // Show the footer only when DSDS is enabled, and mobile data is enabled on this SIM, and

        // 5G is supported on this device.

        if (!teleManager.isDataEnabled() || teleManager.getActiveModemCount() < 2

                || !is5GSupportedByRadio(teleManager)) {

            return CONDITIONALLY_UNAVAILABLE;

        }

        return AVAILABLE;

    }

    private boolean is5GSupportedByRadio(TelephonyManager tm) {

        return (tm.getSupportedRadioAccessFamily() & TelephonyManager.NETWORK_TYPE_BITMASK_NR) > 0;

    }

}

/*

 * Copyright (C) 2020 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.network.telephony;

import static com.google.common.truth.Truth.assertThat;

import static org.mockito.ArgumentMatchers.anyInt;

import static org.mockito.Mockito.doReturn;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.when;

import android.content.Context;

import android.telephony.TelephonyManager;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

import org.robolectric.RobolectricTestRunner;

import org.robolectric.RuntimeEnvironment;

@RunWith(RobolectricTestRunner.class)

public class NrDisabledInDsdsFooterPreferenceControllerTest {

    private static final String PREF_KEY = "pref_key";

    private static final int SUB_ID = 111;

    private Context mContext;

    @Mock

    private TelephonyManager mTelephonyManager;

    private NrDisabledInDsdsFooterPreferenceController mController;

    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);

        mContext = spy(RuntimeEnvironment.application);

        doReturn(mTelephonyManager).when(mContext).getSystemService(Context.TELEPHONY_SERVICE);

        doReturn(mTelephonyManager).when(mTelephonyManager).createForSubscriptionId(anyInt());

        mController = new NrDisabledInDsdsFooterPreferenceController(mContext, PREF_KEY);

    }

    @Test

    public void isAvailable_noInit_notAvailable() {

        assertThat(mController.isAvailable()).isFalse();

    }

    @Test

    public void isAvailable_dataOnAndDsdsAnd5GSupported_Available() {

        when(mTelephonyManager.getSupportedRadioAccessFamily())

                .thenReturn(TelephonyManager.NETWORK_TYPE_BITMASK_NR);

        when(mTelephonyManager.getActiveModemCount()).thenReturn(2);

        when(mTelephonyManager.isDataEnabled()).thenReturn(true);

        mController.init(SUB_ID);

        assertThat(mController.isAvailable()).isTrue();

    }

    @Test

    public void isAvailable_5gNotSupported_notAvailable() {

        when(mTelephonyManager.getSupportedRadioAccessFamily())

                .thenReturn(TelephonyManager.NETWORK_TYPE_BITMASK_LTE);

        when(mTelephonyManager.getActiveModemCount()).thenReturn(2);

        when(mTelephonyManager.isDataEnabled()).thenReturn(true);

        mController.init(SUB_ID);

        assertThat(mController.isAvailable()).isFalse();

    }

    @Test

    public void isAvailable_mobileDataOff_notAvailable() {

        when(mTelephonyManager.getSupportedRadioAccessFamily())

                .thenReturn(TelephonyManager.NETWORK_TYPE_BITMASK_NR);

        when(mTelephonyManager.getActiveModemCount()).thenReturn(2);

        when(mTelephonyManager.isDataEnabled()).thenReturn(false);

        mController.init(SUB_ID);

        assertThat(mController.isAvailable()).isFalse();

    }

    @Test

    public void isAvailable_singleSimMode_notAvailable() {

        when(mTelephonyManager.getSupportedRadioAccessFamily())

                .thenReturn(TelephonyManager.NETWORK_TYPE_BITMASK_NR);

        when(mTelephonyManager.getActiveModemCount()).thenReturn(1);

        when(mTelephonyManager.isDataEnabled()).thenReturn(true);

        mController.init(SUB_ID);

        assertThat(mController.isAvailable()).isFalse();

    }

}