| /* |
| * 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.documentsui.testing; |
| |
| import android.annotation.NonNull; |
| import android.content.pm.ProviderInfo; |
| import android.database.Cursor; |
| import android.database.MatrixCursor; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.CancellationSignal; |
| import android.os.ParcelFileDescriptor; |
| import android.provider.DocumentsContract.Document; |
| import android.provider.DocumentsProvider; |
| |
| import com.android.documentsui.base.DocumentInfo; |
| |
| import java.io.FileNotFoundException; |
| |
| /** |
| * Test doubles of {@link DocumentsProvider} to isolate document providers. This is not registered |
| * or exposed through AndroidManifest, but only used locally. |
| */ |
| public class TestDocumentsProvider extends DocumentsProvider { |
| |
| private String[] DOCUMENTS_PROJECTION = new String[] { |
| Document.COLUMN_DOCUMENT_ID, |
| Document.COLUMN_MIME_TYPE, |
| Document.COLUMN_DISPLAY_NAME, |
| Document.COLUMN_LAST_MODIFIED, |
| Document.COLUMN_FLAGS, |
| Document.COLUMN_SUMMARY, |
| Document.COLUMN_SIZE, |
| Document.COLUMN_ICON |
| }; |
| |
| private Cursor mNextChildDocuments; |
| private Cursor mNextRecentDocuments; |
| |
| public TestDocumentsProvider(String authority) { |
| ProviderInfo info = new ProviderInfo(); |
| info.authority = authority; |
| attachInfoForTesting(null, info); |
| } |
| |
| @Override |
| public boolean refresh(Uri url, Bundle args, CancellationSignal signal) { |
| return true; |
| } |
| |
| @Override |
| public Cursor queryRoots(String[] projection) throws FileNotFoundException { |
| return null; |
| } |
| |
| @Override |
| public Cursor queryDocument(String documentId, String[] projection) |
| throws FileNotFoundException { |
| return null; |
| } |
| |
| @Override |
| public Cursor queryChildDocuments(String parentDocumentId, String[] projection, |
| String sortOrder) throws FileNotFoundException { |
| return mNextChildDocuments; |
| } |
| |
| @Override |
| public ParcelFileDescriptor openDocument(String documentId, String mode, |
| CancellationSignal signal) throws FileNotFoundException { |
| return null; |
| } |
| |
| @Override |
| public Cursor queryRecentDocuments(String rootId, String[] projection) { |
| return mNextRecentDocuments; |
| } |
| |
| @Override |
| public Cursor querySearchDocuments(String rootId, String query, String[] projection) { |
| if (mNextChildDocuments != null) { |
| return filterCursorByString(mNextChildDocuments, query); |
| } |
| |
| return mNextChildDocuments; |
| } |
| |
| @Override |
| public boolean onCreate() { |
| return true; |
| } |
| |
| /** |
| * Sets the next return value for {@link #queryChildDocuments(String, String[], String)}. |
| * @param docs docs to return for next query. |
| */ |
| public void setNextChildDocumentsReturns(DocumentInfo... docs) { |
| mNextChildDocuments = createDocumentsCursor(docs); |
| } |
| |
| public void setNextRecentDocumentsReturns(DocumentInfo... docs) { |
| mNextRecentDocuments = createDocumentsCursor(docs); |
| } |
| |
| private Cursor createDocumentsCursor(DocumentInfo... docs) { |
| MatrixCursor cursor = new MatrixCursor(DOCUMENTS_PROJECTION); |
| for (DocumentInfo doc : docs) { |
| cursor.newRow() |
| .add(Document.COLUMN_DOCUMENT_ID, doc.documentId) |
| .add(Document.COLUMN_MIME_TYPE, doc.mimeType) |
| .add(Document.COLUMN_DISPLAY_NAME, doc.displayName) |
| .add(Document.COLUMN_LAST_MODIFIED, doc.lastModified) |
| .add(Document.COLUMN_FLAGS, doc.flags) |
| .add(Document.COLUMN_SUMMARY, doc.summary) |
| .add(Document.COLUMN_SIZE, doc.size) |
| .add(Document.COLUMN_ICON, doc.icon); |
| } |
| |
| return cursor; |
| } |
| |
| private static Cursor filterCursorByString(@NonNull Cursor cursor, String query) { |
| final int count = cursor.getCount(); |
| final String[] columnNames = cursor.getColumnNames(); |
| |
| final MatrixCursor resultCursor = new MatrixCursor(columnNames, count); |
| cursor.moveToPosition(-1); |
| for (int i = 0; i < count; i++) { |
| cursor.moveToNext(); |
| final int index = cursor.getColumnIndex(Document.COLUMN_DISPLAY_NAME); |
| if (!cursor.getString(index).contains(query)) { |
| continue; |
| } |
| |
| final MatrixCursor.RowBuilder builder = resultCursor.newRow(); |
| final int columnCount = cursor.getColumnCount(); |
| for (int j = 0; j < columnCount; j++) { |
| final int type = cursor.getType(j); |
| switch (type) { |
| case Cursor.FIELD_TYPE_INTEGER: |
| builder.add(cursor.getLong(j)); |
| break; |
| |
| case Cursor.FIELD_TYPE_STRING: |
| builder.add(cursor.getString(j)); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| } |
| cursor.moveToPosition(-1); |
| return resultCursor; |
| } |
| } |