| /* |
| * Copyright (C) 2018 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.applications; |
| |
| 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.content.ContentResolver; |
| import android.content.Context; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.util.ArraySet; |
| import android.util.Log; |
| |
| import com.android.settingslib.applications.ApplicationsState; |
| import com.android.settingslib.applications.ApplicationsState.AppEntry; |
| import com.android.settingslib.applications.ApplicationsState.AppFilter; |
| |
| import java.util.Set; |
| |
| // TODO(b/72055774): add unit tests |
| public class AppStateDirectoryAccessBridge extends AppStateBaseBridge { |
| |
| private static final String TAG = "DirectoryAccessBridge"; |
| |
| // TODO(b/72055774): set to false once feature is ready (or use Log.isLoggable) |
| static final boolean DEBUG = true; |
| static final boolean VERBOSE = true; |
| |
| public AppStateDirectoryAccessBridge(ApplicationsState appState, Callback callback) { |
| super(appState, callback); |
| } |
| |
| @Override |
| protected void loadAllExtraInfo() { } |
| |
| @Override |
| protected void updateExtraInfo(AppEntry app, String pkg, int uid) { } |
| |
| public 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; |
| final 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, null, null)) { |
| if (cursor == null) { |
| Log.w(TAG, "Didn't get cursor for " + providerUri); |
| return; |
| } |
| final int count = cursor.getCount(); |
| if (count == 0) { |
| if (DEBUG) { |
| Log.d(TAG, "No packages anymore (was " + mPackages + ")"); |
| } |
| return; |
| } |
| mPackages = new ArraySet<>(count); |
| while (cursor.moveToNext()) { |
| mPackages.add(cursor.getString(TABLE_PACKAGES_COL_PACKAGE)); |
| } |
| if (DEBUG) { |
| Log.d(TAG, "init(): " + mPackages); |
| } |
| } |
| } |
| |
| |
| @Override |
| public boolean filterApp(AppEntry info) { |
| return mPackages != null && mPackages.contains(info.info.packageName); |
| } |
| }; |
| } |