| /* |
| * 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.settingslib.schedulesprovider; |
| |
| import android.content.ContentProvider; |
| import android.content.ContentValues; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.SystemProperties; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| |
| import java.util.ArrayList; |
| import java.util.stream.Collectors; |
| |
| /** |
| * A bridge for client apps to provide the schedule data. Client provider needs to implement |
| * {@link #getScheduleInfoList()} returning a list of {@link ScheduleInfo}. |
| */ |
| public abstract class SchedulesProvider extends ContentProvider { |
| public static final String METHOD_GENERATE_SCHEDULE_INFO_LIST = "generateScheduleInfoList"; |
| public static final String BUNDLE_SCHEDULE_INFO_LIST = "scheduleInfoList"; |
| private static final String TAG = "SchedulesProvider"; |
| |
| @Override |
| public boolean onCreate() { |
| return true; |
| } |
| |
| @Override |
| public final Cursor query(Uri uri, String[] projection, String selection, |
| String[] selectionArgs, String sortOrder) { |
| throw new UnsupportedOperationException("Query operation is not supported currently."); |
| } |
| |
| @Override |
| public final String getType(Uri uri) { |
| throw new UnsupportedOperationException("GetType operation is not supported currently."); |
| } |
| |
| @Override |
| public final Uri insert(Uri uri, ContentValues values) { |
| throw new UnsupportedOperationException("Insert operation is not supported currently."); |
| } |
| |
| @Override |
| public final int delete(Uri uri, String selection, String[] selectionArgs) { |
| throw new UnsupportedOperationException("Delete operation not supported currently."); |
| } |
| |
| @Override |
| public final int update(Uri uri, ContentValues values, String selection, |
| String[] selectionArgs) { |
| throw new UnsupportedOperationException("Update operation is not supported currently."); |
| } |
| |
| /** |
| * Returns the list of the schedule information. |
| */ |
| public abstract ArrayList<ScheduleInfo> getScheduleInfoList(); |
| |
| /** |
| * Returns a bundle which contains a list of {@link ScheduleInfo}s: |
| * |
| * <ul> |
| * <li>scheduleInfoList: ArrayList<ScheduleInfo> |
| * </ul> |
| */ |
| @Override |
| public Bundle call(@NonNull String method, @Nullable String arg, @Nullable Bundle extras) { |
| if (!TextUtils.equals(getCallingPackage(), |
| getContext().getText(R.string.config_schedules_provider_caller_package))) { |
| return null; |
| } |
| |
| final Bundle bundle = new Bundle(); |
| if (METHOD_GENERATE_SCHEDULE_INFO_LIST.equals(method)) { |
| final ArrayList<ScheduleInfo> scheduleInfoList = filterInvalidData( |
| getScheduleInfoList()); |
| if (scheduleInfoList != null) { |
| bundle.putParcelableArrayList(BUNDLE_SCHEDULE_INFO_LIST, scheduleInfoList); |
| } |
| } |
| return bundle; |
| } |
| |
| /** |
| * Filters our invalid schedule infos from {@code schedulesInfoList}. |
| * |
| * @return valid {@link SchedulesInfo}s if {@code schedulesInfoList} is not null. Otherwise, |
| * null. |
| */ |
| @Nullable |
| private ArrayList<ScheduleInfo> filterInvalidData( |
| @Nullable ArrayList<ScheduleInfo> scheduleInfoList) { |
| if (scheduleInfoList == null) { |
| Log.d(TAG, "package : " + getContext().getPackageName() + " has no scheduling data."); |
| return null; |
| } |
| // Dump invalid data in debug mode. |
| if (SystemProperties.getInt("ro.debuggable", 0) == 1) { |
| dumpInvalidData(scheduleInfoList); |
| } |
| return scheduleInfoList |
| .stream() |
| .filter(ScheduleInfo::isValid) |
| .collect(Collectors.toCollection(ArrayList::new)); |
| } |
| |
| private void dumpInvalidData(ArrayList<ScheduleInfo> scheduleInfoList) { |
| final boolean hasInvalidData = scheduleInfoList |
| .stream() |
| .anyMatch(scheduleInfo -> !scheduleInfo.isValid()); |
| |
| if (hasInvalidData) { |
| Log.w(TAG, "package : " + getContext().getPackageName() |
| + " provided some scheduling data that are invalid."); |
| scheduleInfoList |
| .stream() |
| .filter(scheduleInfo -> !scheduleInfo.isValid()) |
| .forEach(scheduleInfo -> Log.w(TAG, scheduleInfo.toString())); |
| } |
| } |
| } |