| /* |
| * Copyright (C) 2017 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.dialer.calllog.database; |
| |
| import android.annotation.TargetApi; |
| import android.content.ContentProvider; |
| import android.content.ContentProviderOperation; |
| import android.content.ContentProviderResult; |
| import android.content.ContentUris; |
| import android.content.ContentValues; |
| import android.content.OperationApplicationException; |
| 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.support.annotation.NonNull; |
| import android.support.annotation.Nullable; |
| import com.android.dialer.calllog.database.AnnotatedCallLogConstraints.Operation; |
| import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract; |
| import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract.AnnotatedCallLog; |
| import com.android.dialer.common.Assert; |
| import com.android.dialer.common.LogUtil; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| |
| /** {@link ContentProvider} for the annotated call log. */ |
| public class AnnotatedCallLogContentProvider extends ContentProvider { |
| |
| private static final int ANNOTATED_CALL_LOG_TABLE_CODE = 1; |
| private static final int ANNOTATED_CALL_LOG_TABLE_ID_CODE = 2; |
| private static final int ANNOTATED_CALL_LOG_TABLE_DISTINCT_NUMBER_CODE = 3; |
| |
| private static final UriMatcher uriMatcher = new UriMatcher(UriMatcher.NO_MATCH); |
| |
| static { |
| uriMatcher.addURI( |
| AnnotatedCallLogContract.AUTHORITY, AnnotatedCallLog.TABLE, ANNOTATED_CALL_LOG_TABLE_CODE); |
| uriMatcher.addURI( |
| AnnotatedCallLogContract.AUTHORITY, |
| AnnotatedCallLog.TABLE + "/#", |
| ANNOTATED_CALL_LOG_TABLE_ID_CODE); |
| uriMatcher.addURI( |
| AnnotatedCallLogContract.AUTHORITY, |
| AnnotatedCallLog.DISTINCT_PHONE_NUMBERS, |
| ANNOTATED_CALL_LOG_TABLE_DISTINCT_NUMBER_CODE); |
| } |
| |
| private AnnotatedCallLogDatabaseHelper databaseHelper; |
| |
| private final ThreadLocal<Boolean> applyingBatch = new ThreadLocal<>(); |
| |
| /** Ensures that only a single notification is generated from {@link #applyBatch(ArrayList)}. */ |
| private boolean isApplyingBatch() { |
| return applyingBatch.get() != null && applyingBatch.get(); |
| } |
| |
| @Override |
| public boolean onCreate() { |
| databaseHelper = CallLogDatabaseComponent.get(getContext()).annotatedCallLogDatabaseHelper(); |
| |
| // Note: As this method is called before Application#onCreate, we must *not* initialize objects |
| // that require preparation work done in Application#onCreate. |
| // One example is to avoid obtaining an instance that depends on Google's proprietary config, |
| // which is initialized in Application#onCreate. |
| |
| return true; |
| } |
| |
| @TargetApi(Build.VERSION_CODES.N) // Uses try-with-resources |
| @Nullable |
| @Override |
| public Cursor query( |
| @NonNull Uri uri, |
| @Nullable String[] projection, |
| @Nullable String selection, |
| @Nullable String[] selectionArgs, |
| @Nullable String sortOrder) { |
| SQLiteDatabase db = databaseHelper.getReadableDatabase(); |
| SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder(); |
| queryBuilder.setTables(AnnotatedCallLog.TABLE); |
| int match = uriMatcher.match(uri); |
| switch (match) { |
| case ANNOTATED_CALL_LOG_TABLE_ID_CODE: |
| queryBuilder.appendWhere(AnnotatedCallLog._ID + "=" + ContentUris.parseId(uri)); |
| Cursor cursor = |
| queryBuilder.query(db, projection, selection, selectionArgs, null, null, sortOrder); |
| if (cursor != null) { |
| cursor.setNotificationUri( |
| getContext().getContentResolver(), AnnotatedCallLog.CONTENT_URI); |
| } else { |
| LogUtil.w("AnnotatedCallLogContentProvider.query", "cursor was null"); |
| } |
| return cursor; |
| case ANNOTATED_CALL_LOG_TABLE_CODE: |
| cursor = |
| queryBuilder.query(db, projection, selection, selectionArgs, null, null, sortOrder); |
| if (cursor != null) { |
| cursor.setNotificationUri( |
| getContext().getContentResolver(), AnnotatedCallLog.CONTENT_URI); |
| } else { |
| LogUtil.w("AnnotatedCallLogContentProvider.query", "cursor was null"); |
| } |
| return cursor; |
| case ANNOTATED_CALL_LOG_TABLE_DISTINCT_NUMBER_CODE: |
| Assert.checkArgument( |
| Arrays.equals(projection, new String[] {AnnotatedCallLog.NUMBER}), |
| "only NUMBER supported for projection for distinct phone number query, got: %s", |
| Arrays.toString(projection)); |
| queryBuilder.setDistinct(true); |
| cursor = |
| queryBuilder.query(db, projection, selection, selectionArgs, null, null, sortOrder); |
| if (cursor != null) { |
| cursor.setNotificationUri( |
| getContext().getContentResolver(), AnnotatedCallLog.CONTENT_URI); |
| } else { |
| LogUtil.w("AnnotatedCallLogContentProvider.query", "cursor was null"); |
| } |
| return cursor; |
| default: |
| throw new IllegalArgumentException("Unknown uri: " + uri); |
| } |
| } |
| |
| @Nullable |
| @Override |
| public String getType(@NonNull Uri uri) { |
| return AnnotatedCallLog.CONTENT_ITEM_TYPE; |
| } |
| |
| @Nullable |
| @Override |
| public Uri insert(@NonNull Uri uri, @Nullable ContentValues values) { |
| // Javadoc states values is not nullable, even though it is annotated as such (a bug)! |
| Assert.checkArgument(values != null); |
| |
| AnnotatedCallLogConstraints.check(values, Operation.INSERT); |
| |
| SQLiteDatabase database = databaseHelper.getWritableDatabase(); |
| int match = uriMatcher.match(uri); |
| switch (match) { |
| case ANNOTATED_CALL_LOG_TABLE_CODE: |
| Assert.checkArgument( |
| values.get(AnnotatedCallLog._ID) != null, "You must specify an _ID when inserting"); |
| break; |
| case ANNOTATED_CALL_LOG_TABLE_ID_CODE: |
| Long idFromUri = ContentUris.parseId(uri); |
| Long idFromValues = values.getAsLong(AnnotatedCallLog._ID); |
| Assert.checkArgument( |
| idFromValues == null || idFromValues.equals(idFromUri), |
| "_ID from values %d does not match ID from URI: %s", |
| idFromValues, |
| uri); |
| if (idFromValues == null) { |
| values.put(AnnotatedCallLog._ID, idFromUri); |
| } |
| break; |
| case ANNOTATED_CALL_LOG_TABLE_DISTINCT_NUMBER_CODE: |
| throw new UnsupportedOperationException(); |
| default: |
| throw new IllegalArgumentException("Unknown uri: " + uri); |
| } |
| long id = database.insert(AnnotatedCallLog.TABLE, null, values); |
| if (id < 0) { |
| LogUtil.w( |
| "AnnotatedCallLogContentProvider.insert", |
| "error inserting row with id: %d", |
| values.get(AnnotatedCallLog._ID)); |
| return null; |
| } |
| Uri insertedUri = ContentUris.withAppendedId(AnnotatedCallLog.CONTENT_URI, id); |
| if (!isApplyingBatch()) { |
| notifyChange(insertedUri); |
| } |
| return insertedUri; |
| } |
| |
| @Override |
| public int delete( |
| @NonNull Uri uri, @Nullable String selection, @Nullable String[] selectionArgs) { |
| SQLiteDatabase database = databaseHelper.getWritableDatabase(); |
| final int match = uriMatcher.match(uri); |
| switch (match) { |
| case ANNOTATED_CALL_LOG_TABLE_CODE: |
| break; |
| case ANNOTATED_CALL_LOG_TABLE_ID_CODE: |
| Assert.checkArgument(selection == null, "Do not specify selection when deleting by ID"); |
| Assert.checkArgument( |
| selectionArgs == null, "Do not specify selection args when deleting by ID"); |
| long id = ContentUris.parseId(uri); |
| Assert.checkArgument(id != -1, "error parsing id from uri %s", uri); |
| selection = getSelectionWithId(id); |
| break; |
| case ANNOTATED_CALL_LOG_TABLE_DISTINCT_NUMBER_CODE: |
| throw new UnsupportedOperationException(); |
| default: |
| throw new IllegalArgumentException("Unknown uri: " + uri); |
| } |
| int rows = database.delete(AnnotatedCallLog.TABLE, selection, selectionArgs); |
| if (rows == 0) { |
| LogUtil.w("AnnotatedCallLogContentProvider.delete", "no rows deleted"); |
| return rows; |
| } |
| if (!isApplyingBatch()) { |
| notifyChange(uri); |
| } |
| return rows; |
| } |
| |
| @Override |
| public int update( |
| @NonNull Uri uri, |
| @Nullable ContentValues values, |
| @Nullable String selection, |
| @Nullable String[] selectionArgs) { |
| // Javadoc states values is not nullable, even though it is annotated as such (a bug)! |
| Assert.checkArgument(values != null); |
| |
| AnnotatedCallLogConstraints.check(values, Operation.UPDATE); |
| |
| SQLiteDatabase database = databaseHelper.getWritableDatabase(); |
| int match = uriMatcher.match(uri); |
| switch (match) { |
| case ANNOTATED_CALL_LOG_TABLE_CODE: |
| int rows = database.update(AnnotatedCallLog.TABLE, values, selection, selectionArgs); |
| if (rows == 0) { |
| LogUtil.w("AnnotatedCallLogContentProvider.update", "no rows updated"); |
| return rows; |
| } |
| if (!isApplyingBatch()) { |
| notifyChange(uri); |
| } |
| return rows; |
| case ANNOTATED_CALL_LOG_TABLE_ID_CODE: |
| Assert.checkArgument( |
| !values.containsKey(AnnotatedCallLog._ID), "Do not specify _ID when updating by ID"); |
| Assert.checkArgument(selection == null, "Do not specify selection when updating by ID"); |
| Assert.checkArgument( |
| selectionArgs == null, "Do not specify selection args when updating by ID"); |
| selection = getSelectionWithId(ContentUris.parseId(uri)); |
| rows = database.update(AnnotatedCallLog.TABLE, values, selection, selectionArgs); |
| if (rows == 0) { |
| LogUtil.w("AnnotatedCallLogContentProvider.update", "no rows updated"); |
| return rows; |
| } |
| if (!isApplyingBatch()) { |
| notifyChange(uri); |
| } |
| return rows; |
| case ANNOTATED_CALL_LOG_TABLE_DISTINCT_NUMBER_CODE: |
| throw new UnsupportedOperationException(); |
| default: |
| throw new IllegalArgumentException("Unknown uri: " + uri); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * <p>Note: When applyBatch is used with the AnnotatedCallLog, only a single notification for the |
| * content URI is generated, not individual notifications for each affected URI. |
| */ |
| @NonNull |
| @Override |
| public ContentProviderResult[] applyBatch(@NonNull ArrayList<ContentProviderOperation> operations) |
| throws OperationApplicationException { |
| ContentProviderResult[] results = new ContentProviderResult[operations.size()]; |
| if (operations.isEmpty()) { |
| return results; |
| } |
| |
| SQLiteDatabase database = databaseHelper.getWritableDatabase(); |
| try { |
| applyingBatch.set(true); |
| database.beginTransaction(); |
| for (int i = 0; i < operations.size(); i++) { |
| ContentProviderOperation operation = operations.get(i); |
| int match = uriMatcher.match(operation.getUri()); |
| switch (match) { |
| case ANNOTATED_CALL_LOG_TABLE_CODE: |
| case ANNOTATED_CALL_LOG_TABLE_ID_CODE: |
| // These are allowed values, continue. |
| break; |
| case ANNOTATED_CALL_LOG_TABLE_DISTINCT_NUMBER_CODE: |
| throw new UnsupportedOperationException(); |
| default: |
| throw new IllegalArgumentException("Unknown uri: " + operation.getUri()); |
| } |
| ContentProviderResult result = operation.apply(this, results, i); |
| if (operations.get(i).isInsert()) { |
| if (result.uri == null) { |
| throw new OperationApplicationException("error inserting row"); |
| } |
| } else if (result.count == 0) { |
| /* |
| * The batches built by MutationApplier happen to contain operations in order of: |
| * |
| * 1. Inserts |
| * 2. Updates |
| * 3. Deletes |
| * |
| * Let's say the last row in the table is row Z, and MutationApplier wishes to update it, |
| * as well as insert row A. When row A gets inserted, row Z will be deleted via the |
| * trigger if the table is full. Then later, when we try to process the update for row Z, |
| * it won't exist. |
| */ |
| LogUtil.w( |
| "AnnotatedCallLogContentProvider.applyBatch", |
| "update or delete failed, possibly because row got cleaned up"); |
| } |
| results[i] = result; |
| } |
| database.setTransactionSuccessful(); |
| } finally { |
| applyingBatch.set(false); |
| database.endTransaction(); |
| } |
| notifyChange(AnnotatedCallLog.CONTENT_URI); |
| return results; |
| } |
| |
| private String getSelectionWithId(long id) { |
| return AnnotatedCallLog._ID + "=" + id; |
| } |
| |
| private void notifyChange(Uri uri) { |
| getContext().getContentResolver().notifyChange(uri, /* observer = */ null); |
| } |
| } |