src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java

/*
 * Copyright (C) 2017 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.deviceinfo;

import android.content.Context;
import android.os.Build;
import android.text.TextUtils;
import android.util.Log;

import androidx.fragment.app.Fragment;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;

import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import com.android.settingslib.DeviceInfoUtils;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;

public class DeviceModelPreferenceController extends BasePreferenceController {


    private static final String TAG = "DeviceModelPrefCtrl";

    private Fragment mHost;

    public DeviceModelPreferenceController(Context context, String key) {
        super(context, key);
    }

    public void setHost(Fragment fragment) {
        mHost = fragment;
    }

    @Override
    public void displayPreference(PreferenceScreen screen) {
        super.displayPreference(screen);
    }

    @Override
    public int getAvailabilityStatus() {
        return mContext.getResources().getBoolean(R.bool.config_show_device_model)
                ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
    }

    @Override
    public CharSequence getSummary() {
        return mContext.getResources().getString(R.string.model_summary, getDeviceModel());
    }

    @Override
    public boolean handlePreferenceTreeClick(Preference preference) {
        if (!TextUtils.equals(preference.getKey(), getPreferenceKey())) {
            return false;
        }
        final HardwareInfoDialogFragment fragment = HardwareInfoDialogFragment.newInstance();
        fragment.show(mHost.getFragmentManager(), HardwareInfoDialogFragment.TAG);
        return true;
    }

    public static String getDeviceModel() {
        FutureTask<String> msvSuffixTask = new FutureTask<String>(new Callable<String>() {
            @Override
            public String call() {
                return DeviceInfoUtils.getMsvSuffix();
            }
        });

        msvSuffixTask.run();
        try {
            // Wait for msv suffix value.
            final String msvSuffix = msvSuffixTask.get();
            return Build.MODEL + msvSuffix;
        } catch (ExecutionException e) {
            Log.e(TAG, "Execution error, so we only show model name");
        } catch (InterruptedException e) {
            Log.e(TAG, "Interruption error, so we only show model name");
        }
        // If we can't get an msv suffix value successfully,
        // it's better to return model name.
        return Build.MODEL;
    }
}