| /* |
| * Copyright 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.applications.specialaccess; |
| |
| import static android.os.storage.StorageVolume.ScopedAccessProviderContract.AUTHORITY; |
| import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PACKAGES; |
| import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PACKAGES_COLUMNS; |
| import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PACKAGES_COL_PACKAGE; |
| |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.util.ArraySet; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.PreferenceGroup; |
| |
| import com.android.car.settings.common.FragmentController; |
| import com.android.car.settings.common.Logger; |
| import com.android.car.settings.common.PreferenceController; |
| import com.android.car.ui.preference.CarUiPreference; |
| import com.android.settingslib.applications.ApplicationsState.AppEntry; |
| import com.android.settingslib.applications.ApplicationsState.AppFilter; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Displays a list of preferences for apps that have directory access permissions set. Selecting an |
| * app launches a detailed view for controlling permissions at the directory level. |
| */ |
| public class DirectoryAccessPreferenceController extends PreferenceController<PreferenceGroup> { |
| |
| private static final Logger LOG = new Logger(DirectoryAccessPreferenceController.class); |
| |
| private static final AppFilter FILTER_APP_HAS_DIRECTORY_ACCESS = new AppFilter() { |
| |
| private Set<String> mPackages; |
| |
| @Override |
| public void init() { |
| throw new UnsupportedOperationException("Need to call constructor that takes context"); |
| } |
| |
| @Override |
| public void init(Context context) { |
| mPackages = null; |
| Uri providerUri = new Uri.Builder() |
| .scheme(ContentResolver.SCHEME_CONTENT) |
| .authority(AUTHORITY) |
| .appendPath(TABLE_PACKAGES) |
| .appendPath("*") |
| .build(); |
| try (Cursor cursor = context.getContentResolver().query(providerUri, |
| TABLE_PACKAGES_COLUMNS, /* queryArgs= */ null, /* cancellationSignal= */ |
| null)) { |
| if (cursor == null) { |
| LOG.w("Didn't get cursor for " + providerUri); |
| return; |
| } |
| int count = cursor.getCount(); |
| if (count == 0) { |
| LOG.d("No packages anymore (was " + mPackages + ")"); |
| return; |
| } |
| mPackages = new ArraySet<>(count); |
| while (cursor.moveToNext()) { |
| mPackages.add(cursor.getString(TABLE_PACKAGES_COL_PACKAGE)); |
| } |
| LOG.d("init(): " + mPackages); |
| } |
| } |
| |
| |
| @Override |
| public boolean filterApp(AppEntry info) { |
| return mPackages != null && mPackages.contains(info.info.packageName); |
| } |
| }; |
| |
| private final AppEntryListManager.Callback mCallback = new AppEntryListManager.Callback() { |
| @Override |
| public void onAppEntryListChanged(List<AppEntry> entries) { |
| mEntries = entries; |
| refreshUi(); |
| } |
| }; |
| |
| @VisibleForTesting |
| AppEntryListManager mAppEntryListManager; |
| private List<AppEntry> mEntries; |
| |
| public DirectoryAccessPreferenceController(Context context, String preferenceKey, |
| FragmentController fragmentController, CarUxRestrictions uxRestrictions) { |
| super(context, preferenceKey, fragmentController, uxRestrictions); |
| mAppEntryListManager = new AppEntryListManager(context); |
| } |
| |
| @Override |
| protected Class<PreferenceGroup> getPreferenceType() { |
| return PreferenceGroup.class; |
| } |
| |
| @Override |
| protected void onCreateInternal() { |
| mAppEntryListManager.init(/* extraInfoBridge= */ null, |
| () -> FILTER_APP_HAS_DIRECTORY_ACCESS, mCallback); |
| } |
| |
| @Override |
| protected void onStartInternal() { |
| mAppEntryListManager.start(); |
| } |
| |
| @Override |
| protected void onStopInternal() { |
| mAppEntryListManager.stop(); |
| } |
| |
| @Override |
| protected void onDestroyInternal() { |
| mAppEntryListManager.destroy(); |
| } |
| |
| @Override |
| protected void updateState(PreferenceGroup preference) { |
| if (mEntries == null) { |
| // Still loading. |
| return; |
| } |
| preference.removeAll(); |
| for (AppEntry entry : mEntries) { |
| CarUiPreference appPreference = new CarUiPreference(getContext()); |
| String key = entry.info.packageName + "|" + entry.info.uid; |
| appPreference.setKey(key); |
| appPreference.setTitle(entry.label); |
| appPreference.setIcon(entry.icon); |
| appPreference.setOnPreferenceClickListener(clickedPref -> { |
| getFragmentController().launchFragment( |
| DirectoryAccessDetailsFragment.getInstance(entry.info.packageName)); |
| return true; |
| }); |
| preference.addPreference(appPreference); |
| } |
| } |
| } |