f9c5c2574d
MtpStorageManager keeps track of file information and send notifications for new files. MtpDatabase now uses this instead of MediaProvider for getting object information, although some operations are still reflected into MP. Since MtpStorageManager handles storage ids, remove that field from StorageVolume and VolumeInfo. Clean up a lot of the jni code for MtpDatabase. Bug: 63143623 Test: Test every MtpOperation in a variety of situations on Linux and Windows. Also use the shell to manipulate files. Verify that the cache is consistent throughout, and the operations behave as expected. Verify files created by the shell appear. Test: adb shell am instrument -w android.mtp /android.support.test.runner.AndroidJUnitRunner Change-Id: Id4ea810047b0c323399cd833047733e5daafb30a
344 lines
14 KiB
Java
344 lines
14 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.mtp;
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import android.content.ContentProviderClient;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.RemoteException;
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import android.provider.MediaStore.Audio;
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import android.provider.MediaStore.Files;
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import android.provider.MediaStore.Images;
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import android.util.Log;
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import java.util.ArrayList;
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/**
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* MtpPropertyGroup represents a list of MTP properties.
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* {@hide}
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*/
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class MtpPropertyGroup {
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private static final String TAG = MtpPropertyGroup.class.getSimpleName();
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private class Property {
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int code;
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int type;
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int column;
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Property(int code, int type, int column) {
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this.code = code;
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this.type = type;
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this.column = column;
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}
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}
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private final ContentProviderClient mProvider;
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private final String mVolumeName;
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private final Uri mUri;
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// list of all properties in this group
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private final Property[] mProperties;
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// list of columns for database query
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private String[] mColumns;
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private static final String PATH_WHERE = Files.FileColumns.DATA + "=?";
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// constructs a property group for a list of properties
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public MtpPropertyGroup(ContentProviderClient provider, String volumeName, int[] properties) {
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mProvider = provider;
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mVolumeName = volumeName;
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mUri = Files.getMtpObjectsUri(volumeName);
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int count = properties.length;
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ArrayList<String> columns = new ArrayList<>(count);
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columns.add(Files.FileColumns._ID);
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mProperties = new Property[count];
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for (int i = 0; i < count; i++) {
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mProperties[i] = createProperty(properties[i], columns);
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}
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count = columns.size();
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mColumns = new String[count];
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for (int i = 0; i < count; i++) {
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mColumns[i] = columns.get(i);
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}
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}
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private Property createProperty(int code, ArrayList<String> columns) {
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String column = null;
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int type;
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switch (code) {
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case MtpConstants.PROPERTY_STORAGE_ID:
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type = MtpConstants.TYPE_UINT32;
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break;
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case MtpConstants.PROPERTY_OBJECT_FORMAT:
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type = MtpConstants.TYPE_UINT16;
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break;
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case MtpConstants.PROPERTY_PROTECTION_STATUS:
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type = MtpConstants.TYPE_UINT16;
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break;
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case MtpConstants.PROPERTY_OBJECT_SIZE:
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type = MtpConstants.TYPE_UINT64;
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break;
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case MtpConstants.PROPERTY_OBJECT_FILE_NAME:
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_NAME:
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_DATE_MODIFIED:
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_DATE_ADDED:
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_ORIGINAL_RELEASE_DATE:
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column = Audio.AudioColumns.YEAR;
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_PARENT_OBJECT:
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type = MtpConstants.TYPE_UINT32;
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break;
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case MtpConstants.PROPERTY_PERSISTENT_UID:
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type = MtpConstants.TYPE_UINT128;
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break;
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case MtpConstants.PROPERTY_DURATION:
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column = Audio.AudioColumns.DURATION;
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type = MtpConstants.TYPE_UINT32;
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break;
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case MtpConstants.PROPERTY_TRACK:
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column = Audio.AudioColumns.TRACK;
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type = MtpConstants.TYPE_UINT16;
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break;
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case MtpConstants.PROPERTY_DISPLAY_NAME:
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_ARTIST:
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_ALBUM_NAME:
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_ALBUM_ARTIST:
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column = Audio.AudioColumns.ALBUM_ARTIST;
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_GENRE:
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// genre requires a special query
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_COMPOSER:
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column = Audio.AudioColumns.COMPOSER;
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_DESCRIPTION:
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column = Images.ImageColumns.DESCRIPTION;
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_AUDIO_WAVE_CODEC:
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case MtpConstants.PROPERTY_AUDIO_BITRATE:
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case MtpConstants.PROPERTY_SAMPLE_RATE:
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// these are special cased
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type = MtpConstants.TYPE_UINT32;
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break;
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case MtpConstants.PROPERTY_BITRATE_TYPE:
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case MtpConstants.PROPERTY_NUMBER_OF_CHANNELS:
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// these are special cased
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type = MtpConstants.TYPE_UINT16;
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break;
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default:
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type = MtpConstants.TYPE_UNDEFINED;
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Log.e(TAG, "unsupported property " + code);
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break;
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}
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if (column != null) {
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columns.add(column);
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return new Property(code, type, columns.size() - 1);
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} else {
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return new Property(code, type, -1);
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}
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}
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private String queryAudio(String path, String column) {
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Cursor c = null;
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try {
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c = mProvider.query(Audio.Media.getContentUri(mVolumeName),
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new String [] { column },
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PATH_WHERE, new String[] {path}, null, null);
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if (c != null && c.moveToNext()) {
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return c.getString(0);
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} else {
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return "";
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}
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} catch (Exception e) {
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return "";
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} finally {
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if (c != null) {
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c.close();
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}
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}
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}
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private String queryGenre(String path) {
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Cursor c = null;
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try {
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c = mProvider.query(Audio.Genres.getContentUri(mVolumeName),
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new String [] { Audio.GenresColumns.NAME },
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PATH_WHERE, new String[] {path}, null, null);
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if (c != null && c.moveToNext()) {
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return c.getString(0);
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} else {
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return "";
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}
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} catch (Exception e) {
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return "";
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} finally {
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if (c != null) {
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c.close();
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}
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}
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}
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/**
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* Gets the values of the properties represented by this property group for the given
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* object and adds them to the given property list.
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* @return Response_OK if the operation succeeded.
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*/
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public int getPropertyList(MtpStorageManager.MtpObject object, MtpPropertyList list) {
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Cursor c = null;
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int id = object.getId();
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String path = object.getPath().toString();
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for (Property property : mProperties) {
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if (property.column != -1 && c == null) {
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try {
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// Look up the entry in MediaProvider only if one of those properties is needed.
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c = mProvider.query(mUri, mColumns,
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PATH_WHERE, new String[] {path}, null, null);
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if (c != null && !c.moveToNext()) {
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c.close();
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c = null;
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}
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} catch (RemoteException e) {
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Log.e(TAG, "Mediaprovider lookup failed");
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}
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}
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switch (property.code) {
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case MtpConstants.PROPERTY_PROTECTION_STATUS:
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// protection status is always 0
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list.append(id, property.code, property.type, 0);
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break;
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case MtpConstants.PROPERTY_NAME:
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case MtpConstants.PROPERTY_OBJECT_FILE_NAME:
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case MtpConstants.PROPERTY_DISPLAY_NAME:
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list.append(id, property.code, object.getName());
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break;
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case MtpConstants.PROPERTY_DATE_MODIFIED:
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case MtpConstants.PROPERTY_DATE_ADDED:
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// convert from seconds to DateTime
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list.append(id, property.code,
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format_date_time(object.getModifiedTime()));
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break;
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case MtpConstants.PROPERTY_STORAGE_ID:
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list.append(id, property.code, property.type, object.getStorageId());
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break;
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case MtpConstants.PROPERTY_OBJECT_FORMAT:
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list.append(id, property.code, property.type, object.getFormat());
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break;
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case MtpConstants.PROPERTY_OBJECT_SIZE:
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list.append(id, property.code, property.type, object.getSize());
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break;
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case MtpConstants.PROPERTY_PARENT_OBJECT:
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list.append(id, property.code, property.type,
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object.getParent().isRoot() ? 0 : object.getParent().getId());
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break;
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case MtpConstants.PROPERTY_PERSISTENT_UID:
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// The persistent uid must be unique and never reused among all objects,
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// and remain the same between sessions.
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long puid = (object.getPath().toString().hashCode() << 32)
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+ object.getModifiedTime();
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list.append(id, property.code, property.type, puid);
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break;
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case MtpConstants.PROPERTY_ORIGINAL_RELEASE_DATE:
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// release date is stored internally as just the year
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int year = 0;
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if (c != null)
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year = c.getInt(property.column);
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String dateTime = Integer.toString(year) + "0101T000000";
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list.append(id, property.code, dateTime);
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break;
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case MtpConstants.PROPERTY_TRACK:
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int track = 0;
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if (c != null)
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track = c.getInt(property.column);
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list.append(id, property.code, MtpConstants.TYPE_UINT16,
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track % 1000);
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break;
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case MtpConstants.PROPERTY_ARTIST:
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list.append(id, property.code,
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queryAudio(path, Audio.AudioColumns.ARTIST));
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break;
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case MtpConstants.PROPERTY_ALBUM_NAME:
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list.append(id, property.code,
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queryAudio(path, Audio.AudioColumns.ALBUM));
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break;
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case MtpConstants.PROPERTY_GENRE:
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String genre = queryGenre(path);
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if (genre != null) {
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list.append(id, property.code, genre);
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}
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break;
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case MtpConstants.PROPERTY_AUDIO_WAVE_CODEC:
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case MtpConstants.PROPERTY_AUDIO_BITRATE:
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case MtpConstants.PROPERTY_SAMPLE_RATE:
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// we don't have these in our database, so return 0
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list.append(id, property.code, MtpConstants.TYPE_UINT32, 0);
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break;
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case MtpConstants.PROPERTY_BITRATE_TYPE:
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case MtpConstants.PROPERTY_NUMBER_OF_CHANNELS:
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// we don't have these in our database, so return 0
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list.append(id, property.code, MtpConstants.TYPE_UINT16, 0);
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break;
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default:
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switch(property.type) {
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case MtpConstants.TYPE_UNDEFINED:
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list.append(id, property.code, property.type, 0);
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break;
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case MtpConstants.TYPE_STR:
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String value = "";
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if (c != null)
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value = c.getString(property.column);
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list.append(id, property.code, value);
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break;
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default:
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long longValue = 0L;
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if (c != null)
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longValue = c.getLong(property.column);
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list.append(id, property.code, property.type, longValue);
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}
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}
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}
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if (c != null)
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c.close();
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return MtpConstants.RESPONSE_OK;
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}
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private native String format_date_time(long seconds);
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}
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