diff options
Diffstat (limited to 'java/com/android/dialer/searchfragment/directories/DirectoryContactsCursorLoader.java')
-rw-r--r-- | java/com/android/dialer/searchfragment/directories/DirectoryContactsCursorLoader.java | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/java/com/android/dialer/searchfragment/directories/DirectoryContactsCursorLoader.java b/java/com/android/dialer/searchfragment/directories/DirectoryContactsCursorLoader.java new file mode 100644 index 000000000..fc36f59bb --- /dev/null +++ b/java/com/android/dialer/searchfragment/directories/DirectoryContactsCursorLoader.java @@ -0,0 +1,162 @@ +/* + * 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.searchfragment.directories; + +import android.content.Context; +import android.content.CursorLoader; +import android.database.Cursor; +import android.database.MatrixCursor; +import android.net.Uri; +import android.os.Build.VERSION; +import android.os.Build.VERSION_CODES; +import android.provider.ContactsContract; +import android.provider.ContactsContract.CommonDataKinds.Phone; +import android.support.annotation.NonNull; +import android.support.annotation.VisibleForTesting; +import com.android.contacts.common.compat.DirectoryCompat; +import com.android.dialer.searchfragment.common.Projections; +import com.android.dialer.searchfragment.directories.DirectoriesCursorLoader.Directory; +import java.util.ArrayList; +import java.util.List; + +/** + * Cursor loader to load extended contacts on device. + * + * <p>This loader performs several database queries in serial and merges the resulting cursors + * together into {@link DirectoryContactsCursor}. If there are no results, the loader will return a + * null cursor. + */ +public final class DirectoryContactsCursorLoader extends CursorLoader { + + private static final Uri ENTERPRISE_CONTENT_FILTER_URI = + Uri.withAppendedPath(Phone.CONTENT_URI, "filter_enterprise"); + + private static final String IGNORE_NUMBER_TOO_LONG_CLAUSE = "length(" + Phone.NUMBER + ") < 1000"; + private static final String PHONE_NUMBER_NOT_NULL = Phone.NUMBER + " IS NOT NULL"; + private static final String MAX_RESULTS = "10"; + + private final String query; + private final List<Directory> directories; + private final Cursor[] cursors; + + public DirectoryContactsCursorLoader(Context context, String query, List<Directory> directories) { + super( + context, + null, + Projections.DATA_PROJECTION, + IGNORE_NUMBER_TOO_LONG_CLAUSE + " AND " + PHONE_NUMBER_NOT_NULL, + null, + Phone.SORT_KEY_PRIMARY); + this.query = query; + this.directories = new ArrayList<>(directories); + cursors = new Cursor[directories.size()]; + } + + @Override + public Cursor loadInBackground() { + for (int i = 0; i < directories.size(); i++) { + Directory directory = directories.get(i); + + // Only load contacts in the enterprise directory & remote directories. + if (!DirectoryCompat.isRemoteDirectoryId(directory.getId()) + && !DirectoryCompat.isEnterpriseDirectoryId(directory.getId())) { + cursors[i] = null; + continue; + } + + // Filter out invisible directories. + if (DirectoryCompat.isInvisibleDirectory(directory.getId())) { + cursors[i] = null; + continue; + } + + Cursor cursor = + getContext() + .getContentResolver() + .query( + getContentFilterUri(query, directory.getId()), + getProjection(), + getSelection(), + getSelectionArgs(), + getSortOrder()); + // Even though the cursor specifies "WHERE PHONE_NUMBER IS NOT NULL" the Blackberry Hub app's + // directory extension doesn't appear to respect it, and sometimes returns a null phone + // number. In this case just hide the row entirely. See a bug. + cursors[i] = createMatrixCursorFilteringNullNumbers(cursor); + } + return DirectoryContactsCursor.newInstance(getContext(), cursors, directories); + } + + private MatrixCursor createMatrixCursorFilteringNullNumbers(Cursor cursor) { + if (cursor == null) { + return null; + } + MatrixCursor matrixCursor = new MatrixCursor(cursor.getColumnNames()); + try { + if (cursor.moveToFirst()) { + do { + String number = cursor.getString(Projections.PHONE_NUMBER); + if (number == null) { + continue; + } + matrixCursor.addRow(objectArrayFromCursor(cursor)); + } while (cursor.moveToNext()); + } + } finally { + cursor.close(); + } + return matrixCursor; + } + + @NonNull + private static Object[] objectArrayFromCursor(@NonNull Cursor cursor) { + Object[] values = new Object[cursor.getColumnCount()]; + for (int i = 0; i < cursor.getColumnCount(); i++) { + int fieldType = cursor.getType(i); + if (fieldType == Cursor.FIELD_TYPE_BLOB) { + values[i] = cursor.getBlob(i); + } else if (fieldType == Cursor.FIELD_TYPE_FLOAT) { + values[i] = cursor.getDouble(i); + } else if (fieldType == Cursor.FIELD_TYPE_INTEGER) { + values[i] = cursor.getLong(i); + } else if (fieldType == Cursor.FIELD_TYPE_STRING) { + values[i] = cursor.getString(i); + } else if (fieldType == Cursor.FIELD_TYPE_NULL) { + values[i] = null; + } else { + throw new IllegalStateException("Unknown fieldType (" + fieldType + ") for column: " + i); + } + } + return values; + } + + @VisibleForTesting + static Uri getContentFilterUri(String query, long directoryId) { + Uri baseUri = + VERSION.SDK_INT >= VERSION_CODES.N + ? ENTERPRISE_CONTENT_FILTER_URI + : Phone.CONTENT_FILTER_URI; + + return baseUri + .buildUpon() + .appendPath(query) + .appendQueryParameter(ContactsContract.DIRECTORY_PARAM_KEY, String.valueOf(directoryId)) + .appendQueryParameter(ContactsContract.REMOVE_DUPLICATE_ENTRIES, "true") + .appendQueryParameter(ContactsContract.LIMIT_PARAM_KEY, MAX_RESULTS) + .build(); + } +} |