| /* |
| * 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.homepage.contextualcards; |
| |
| import android.content.ContentProvider; |
| import android.content.ContentResolver; |
| import android.content.ContentValues; |
| import android.content.UriMatcher; |
| import android.database.Cursor; |
| import android.database.sqlite.SQLiteDatabase; |
| import android.database.sqlite.SQLiteQueryBuilder; |
| import android.net.Uri; |
| import android.os.Build; |
| import android.os.StrictMode; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.settings.R; |
| import com.android.settingslib.utils.ThreadUtils; |
| |
| import java.util.Map; |
| |
| /** |
| * Provider stores and manages user interaction feedback for homepage contextual cards. |
| */ |
| public class CardContentProvider extends ContentProvider { |
| |
| public static final String CARD_AUTHORITY = "com.android.settings.homepage.CardContentProvider"; |
| |
| public static final Uri REFRESH_CARD_URI = new Uri.Builder() |
| .scheme(ContentResolver.SCHEME_CONTENT) |
| .authority(CardContentProvider.CARD_AUTHORITY) |
| .appendPath(CardDatabaseHelper.CARD_TABLE) |
| .build(); |
| |
| public static final Uri DELETE_CARD_URI = new Uri.Builder() |
| .scheme(ContentResolver.SCHEME_CONTENT) |
| .authority(CardContentProvider.CARD_AUTHORITY) |
| .appendPath(CardDatabaseHelper.CardColumns.DISMISSED_TIMESTAMP) |
| .build(); |
| |
| private static final String TAG = "CardContentProvider"; |
| /** URI matcher for ContentProvider queries. */ |
| private static final UriMatcher URI_MATCHER = new UriMatcher(UriMatcher.NO_MATCH); |
| /** URI matcher type for cards table */ |
| private static final int MATCH_CARDS = 100; |
| |
| static { |
| URI_MATCHER.addURI(CARD_AUTHORITY, CardDatabaseHelper.CARD_TABLE, MATCH_CARDS); |
| } |
| |
| private CardDatabaseHelper mDBHelper; |
| |
| @Override |
| public boolean onCreate() { |
| mDBHelper = CardDatabaseHelper.getInstance(getContext()); |
| return true; |
| } |
| |
| @Override |
| public Uri insert(Uri uri, ContentValues values) { |
| final ContentValues[] cvs = {values}; |
| bulkInsert(uri, cvs); |
| return uri; |
| } |
| |
| @Override |
| public int bulkInsert(Uri uri, ContentValues[] values) { |
| final StrictMode.ThreadPolicy oldPolicy = StrictMode.getThreadPolicy(); |
| int numInserted = 0; |
| final SQLiteDatabase database = mDBHelper.getWritableDatabase(); |
| final boolean keepDismissalTimestampBeforeDeletion = getContext().getResources() |
| .getBoolean(R.bool.config_keep_contextual_card_dismissal_timestamp); |
| final Map<String, Long> dismissedTimeMap = new ArrayMap<>(); |
| |
| try { |
| maybeEnableStrictMode(); |
| |
| final String table = getTableFromMatch(uri); |
| database.beginTransaction(); |
| |
| if (keepDismissalTimestampBeforeDeletion) { |
| // Query the existing db and get dismissal info. |
| final String[] columns = new String[]{CardDatabaseHelper.CardColumns.NAME, |
| CardDatabaseHelper.CardColumns.DISMISSED_TIMESTAMP}; |
| final String selection = |
| CardDatabaseHelper.CardColumns.DISMISSED_TIMESTAMP + " IS NOT NULL"; |
| try (Cursor cursor = database.query(table, columns, selection, |
| null/* selectionArgs */, null /* groupBy */, |
| null /* having */, null /* orderBy */)) { |
| // Save them to a Map |
| for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) { |
| final String cardName = cursor.getString(cursor.getColumnIndex( |
| CardDatabaseHelper.CardColumns.NAME)); |
| final long timestamp = cursor.getLong(cursor.getColumnIndex( |
| CardDatabaseHelper.CardColumns.DISMISSED_TIMESTAMP)); |
| dismissedTimeMap.put(cardName, timestamp); |
| } |
| } |
| } |
| |
| // Here delete data first to avoid redundant insertion. According to cl/215350754 |
| database.delete(table, null /* whereClause */, null /* whereArgs */); |
| |
| for (ContentValues value : values) { |
| if (keepDismissalTimestampBeforeDeletion) { |
| // Replace dismissedTimestamp in each value if there is an old one. |
| final String cardName = |
| value.get(CardDatabaseHelper.CardColumns.NAME).toString(); |
| if (dismissedTimeMap.containsKey(cardName)) { |
| // Replace the value of dismissedTimestamp |
| value.put(CardDatabaseHelper.CardColumns.DISMISSED_TIMESTAMP, |
| dismissedTimeMap.get(cardName)); |
| Log.d(TAG, "Replace dismissed time: " + cardName); |
| } |
| } |
| |
| long ret = database.insert(table, null /* nullColumnHack */, value); |
| if (ret != -1L) { |
| numInserted++; |
| } else { |
| Log.e(TAG, "The row " + value.getAsString(CardDatabaseHelper.CardColumns.NAME) |
| + " insertion failed! Please check your data."); |
| } |
| } |
| database.setTransactionSuccessful(); |
| getContext().getContentResolver().notifyChange(uri, null /* observer */); |
| } finally { |
| database.endTransaction(); |
| StrictMode.setThreadPolicy(oldPolicy); |
| } |
| return numInserted; |
| } |
| |
| @Override |
| public int delete(Uri uri, String selection, String[] selectionArgs) { |
| throw new UnsupportedOperationException("delete operation not supported currently."); |
| } |
| |
| @Override |
| public String getType(Uri uri) { |
| throw new UnsupportedOperationException("getType operation not supported currently."); |
| } |
| |
| @Override |
| public Cursor query(Uri uri, String[] projection, String selection, |
| String[] selectionArgs, String sortOrder) { |
| final StrictMode.ThreadPolicy oldPolicy = StrictMode.getThreadPolicy(); |
| try { |
| maybeEnableStrictMode(); |
| |
| final SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder(); |
| final String table = getTableFromMatch(uri); |
| queryBuilder.setTables(table); |
| final SQLiteDatabase database = mDBHelper.getReadableDatabase(); |
| final Cursor cursor = queryBuilder.query(database, |
| projection, selection, selectionArgs, null /* groupBy */, null /* having */, |
| sortOrder); |
| |
| cursor.setNotificationUri(getContext().getContentResolver(), uri); |
| return cursor; |
| } finally { |
| StrictMode.setThreadPolicy(oldPolicy); |
| } |
| } |
| |
| @Override |
| public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { |
| throw new UnsupportedOperationException("update operation not supported currently."); |
| } |
| |
| @VisibleForTesting |
| void maybeEnableStrictMode() { |
| if (Build.IS_DEBUGGABLE && ThreadUtils.isMainThread()) { |
| enableStrictMode(); |
| } |
| } |
| |
| @VisibleForTesting |
| void enableStrictMode() { |
| StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder().detectAll().build()); |
| } |
| |
| @VisibleForTesting |
| String getTableFromMatch(Uri uri) { |
| final int match = URI_MATCHER.match(uri); |
| String table; |
| switch (match) { |
| case MATCH_CARDS: |
| table = CardDatabaseHelper.CARD_TABLE; |
| break; |
| default: |
| throw new IllegalArgumentException("Unknown Uri format: " + uri); |
| } |
| return table; |
| } |
| } |