| /* |
| * 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.car.settings.system.legal; |
| |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| |
| import androidx.preference.Preference; |
| |
| import com.android.car.settings.common.FragmentController; |
| import com.android.car.settings.common.PreferenceController; |
| |
| import java.util.List; |
| |
| /** |
| * Base class for legal preferences. Locates an activity coupled with the given intent and updates |
| * the preference accordingly. |
| */ |
| public abstract class LegalPreferenceController extends PreferenceController<Preference> { |
| private final PackageManager mPackageManager; |
| private ResolveInfo mResolveInfo; |
| |
| public LegalPreferenceController(Context context, String preferenceKey, |
| FragmentController fragmentController, CarUxRestrictions uxRestrictions) { |
| super(context, preferenceKey, fragmentController, uxRestrictions); |
| mPackageManager = context.getPackageManager(); |
| } |
| |
| @Override |
| protected Class<Preference> getPreferenceType() { |
| return Preference.class; |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| mResolveInfo = findMatchingSpecificActivity(); |
| return mResolveInfo != null ? AVAILABLE : UNSUPPORTED_ON_DEVICE; |
| } |
| |
| @Override |
| protected void updateState(Preference preference) { |
| if (mResolveInfo == null) { |
| return; |
| } |
| |
| // Replace the intent with this specific activity. |
| preference.setIntent(new Intent().setClassName( |
| mResolveInfo.activityInfo.packageName, |
| mResolveInfo.activityInfo.name)); |
| |
| preference.setTitle(mResolveInfo.loadLabel(mPackageManager)); |
| } |
| |
| /** Intent with a matching system activity to display legal disclaimers or licenses. */ |
| protected abstract Intent getIntent(); |
| |
| private ResolveInfo findMatchingSpecificActivity() { |
| Intent intent = getIntent(); |
| if (intent == null) { |
| return null; |
| } |
| |
| // Find the activity that is in the system image. |
| List<ResolveInfo> list = mPackageManager.queryIntentActivities(intent, /* flags= */ 0); |
| if (list == null) { |
| return null; |
| } |
| |
| for (ResolveInfo resolveInfo : list) { |
| if ((resolveInfo.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) |
| != 0) { |
| return resolveInfo; |
| } |
| } |
| return null; |
| } |
| } |