f7f608ccc3
Under the new MtpStorageManager design of Android P, media info like MP3 Track title, album and artist, Genre, etc can not be retrieved via MTP by Windows Media Player, Linux Rhythmbox and BMW Car Kit Bug: 112635346 Test: Windows Media Player Test: Linux Rhythmbox Change-Id: Ibbdaff52a24fa36c6090e799323b767dd5692207 (cherry picked from commit 7784da12b9b3394beb791b16befcd33075668270)
1008 lines
40 KiB
Java
Executable File
1008 lines
40 KiB
Java
Executable File
/*
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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.BroadcastReceiver;
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import android.content.ContentProviderClient;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.SharedPreferences;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.media.MediaScanner;
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import android.net.Uri;
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import android.os.BatteryManager;
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import android.os.RemoteException;
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import android.os.SystemProperties;
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import android.os.storage.StorageVolume;
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import android.provider.MediaStore;
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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.MediaColumns;
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import android.system.ErrnoException;
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import android.system.Os;
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import android.system.OsConstants;
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import android.util.Log;
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import android.view.Display;
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import android.view.WindowManager;
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import dalvik.system.CloseGuard;
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import com.google.android.collect.Sets;
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import java.io.File;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Locale;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.stream.IntStream;
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/**
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* MtpDatabase provides an interface for MTP operations that MtpServer can use. To do this, it uses
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* MtpStorageManager for filesystem operations and MediaProvider to get media metadata. File
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* operations are also reflected in MediaProvider if possible.
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* operations
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* {@hide}
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*/
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public class MtpDatabase implements AutoCloseable {
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private static final String TAG = MtpDatabase.class.getSimpleName();
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private final Context mContext;
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private final ContentProviderClient mMediaProvider;
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private final String mVolumeName;
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private final Uri mObjectsUri;
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private final MediaScanner mMediaScanner;
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private final AtomicBoolean mClosed = new AtomicBoolean();
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private final CloseGuard mCloseGuard = CloseGuard.get();
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private final HashMap<String, MtpStorage> mStorageMap = new HashMap<>();
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// cached property groups for single properties
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private final HashMap<Integer, MtpPropertyGroup> mPropertyGroupsByProperty = new HashMap<>();
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// cached property groups for all properties for a given format
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private final HashMap<Integer, MtpPropertyGroup> mPropertyGroupsByFormat = new HashMap<>();
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// SharedPreferences for writable MTP device properties
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private SharedPreferences mDeviceProperties;
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// Cached device properties
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private int mBatteryLevel;
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private int mBatteryScale;
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private int mDeviceType;
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private MtpServer mServer;
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private MtpStorageManager mManager;
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private static final String PATH_WHERE = Files.FileColumns.DATA + "=?";
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private static final String[] ID_PROJECTION = new String[] {Files.FileColumns._ID};
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private static final String[] PATH_PROJECTION = new String[] {Files.FileColumns.DATA};
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private static final String NO_MEDIA = ".nomedia";
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static {
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System.loadLibrary("media_jni");
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}
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private static final int[] PLAYBACK_FORMATS = {
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// allow transferring arbitrary files
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MtpConstants.FORMAT_UNDEFINED,
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MtpConstants.FORMAT_ASSOCIATION,
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MtpConstants.FORMAT_TEXT,
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MtpConstants.FORMAT_HTML,
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MtpConstants.FORMAT_WAV,
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MtpConstants.FORMAT_MP3,
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MtpConstants.FORMAT_MPEG,
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MtpConstants.FORMAT_EXIF_JPEG,
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MtpConstants.FORMAT_TIFF_EP,
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MtpConstants.FORMAT_BMP,
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MtpConstants.FORMAT_GIF,
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MtpConstants.FORMAT_JFIF,
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MtpConstants.FORMAT_PNG,
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MtpConstants.FORMAT_TIFF,
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MtpConstants.FORMAT_WMA,
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MtpConstants.FORMAT_OGG,
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MtpConstants.FORMAT_AAC,
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MtpConstants.FORMAT_MP4_CONTAINER,
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MtpConstants.FORMAT_MP2,
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MtpConstants.FORMAT_3GP_CONTAINER,
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MtpConstants.FORMAT_ABSTRACT_AV_PLAYLIST,
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MtpConstants.FORMAT_WPL_PLAYLIST,
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MtpConstants.FORMAT_M3U_PLAYLIST,
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MtpConstants.FORMAT_PLS_PLAYLIST,
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MtpConstants.FORMAT_XML_DOCUMENT,
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MtpConstants.FORMAT_FLAC,
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MtpConstants.FORMAT_DNG,
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MtpConstants.FORMAT_HEIF,
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};
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private static final int[] FILE_PROPERTIES = {
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MtpConstants.PROPERTY_STORAGE_ID,
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MtpConstants.PROPERTY_OBJECT_FORMAT,
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MtpConstants.PROPERTY_PROTECTION_STATUS,
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MtpConstants.PROPERTY_OBJECT_SIZE,
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MtpConstants.PROPERTY_OBJECT_FILE_NAME,
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MtpConstants.PROPERTY_DATE_MODIFIED,
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MtpConstants.PROPERTY_PERSISTENT_UID,
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MtpConstants.PROPERTY_PARENT_OBJECT,
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MtpConstants.PROPERTY_NAME,
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MtpConstants.PROPERTY_DISPLAY_NAME,
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MtpConstants.PROPERTY_DATE_ADDED,
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};
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private static final int[] AUDIO_PROPERTIES = {
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MtpConstants.PROPERTY_ARTIST,
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MtpConstants.PROPERTY_ALBUM_NAME,
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MtpConstants.PROPERTY_ALBUM_ARTIST,
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MtpConstants.PROPERTY_TRACK,
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MtpConstants.PROPERTY_ORIGINAL_RELEASE_DATE,
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MtpConstants.PROPERTY_DURATION,
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MtpConstants.PROPERTY_GENRE,
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MtpConstants.PROPERTY_COMPOSER,
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MtpConstants.PROPERTY_AUDIO_WAVE_CODEC,
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MtpConstants.PROPERTY_BITRATE_TYPE,
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MtpConstants.PROPERTY_AUDIO_BITRATE,
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MtpConstants.PROPERTY_NUMBER_OF_CHANNELS,
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MtpConstants.PROPERTY_SAMPLE_RATE,
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};
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private static final int[] VIDEO_PROPERTIES = {
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MtpConstants.PROPERTY_ARTIST,
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MtpConstants.PROPERTY_ALBUM_NAME,
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MtpConstants.PROPERTY_DURATION,
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MtpConstants.PROPERTY_DESCRIPTION,
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};
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private static final int[] IMAGE_PROPERTIES = {
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MtpConstants.PROPERTY_DESCRIPTION,
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};
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private static final int[] DEVICE_PROPERTIES = {
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MtpConstants.DEVICE_PROPERTY_SYNCHRONIZATION_PARTNER,
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MtpConstants.DEVICE_PROPERTY_DEVICE_FRIENDLY_NAME,
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MtpConstants.DEVICE_PROPERTY_IMAGE_SIZE,
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MtpConstants.DEVICE_PROPERTY_BATTERY_LEVEL,
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MtpConstants.DEVICE_PROPERTY_PERCEIVED_DEVICE_TYPE,
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};
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private int[] getSupportedObjectProperties(int format) {
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switch (format) {
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case MtpConstants.FORMAT_MP3:
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case MtpConstants.FORMAT_WAV:
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case MtpConstants.FORMAT_WMA:
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case MtpConstants.FORMAT_OGG:
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case MtpConstants.FORMAT_AAC:
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return IntStream.concat(Arrays.stream(FILE_PROPERTIES),
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Arrays.stream(AUDIO_PROPERTIES)).toArray();
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case MtpConstants.FORMAT_MPEG:
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case MtpConstants.FORMAT_3GP_CONTAINER:
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case MtpConstants.FORMAT_WMV:
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return IntStream.concat(Arrays.stream(FILE_PROPERTIES),
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Arrays.stream(VIDEO_PROPERTIES)).toArray();
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case MtpConstants.FORMAT_EXIF_JPEG:
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case MtpConstants.FORMAT_GIF:
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case MtpConstants.FORMAT_PNG:
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case MtpConstants.FORMAT_BMP:
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case MtpConstants.FORMAT_DNG:
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case MtpConstants.FORMAT_HEIF:
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return IntStream.concat(Arrays.stream(FILE_PROPERTIES),
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Arrays.stream(IMAGE_PROPERTIES)).toArray();
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default:
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return FILE_PROPERTIES;
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}
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}
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private int[] getSupportedDeviceProperties() {
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return DEVICE_PROPERTIES;
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}
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private int[] getSupportedPlaybackFormats() {
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return PLAYBACK_FORMATS;
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}
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private int[] getSupportedCaptureFormats() {
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// no capture formats yet
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return null;
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}
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private BroadcastReceiver mBatteryReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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String action = intent.getAction();
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if (action.equals(Intent.ACTION_BATTERY_CHANGED)) {
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mBatteryScale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, 0);
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int newLevel = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);
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if (newLevel != mBatteryLevel) {
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mBatteryLevel = newLevel;
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if (mServer != null) {
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// send device property changed event
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mServer.sendDevicePropertyChanged(
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MtpConstants.DEVICE_PROPERTY_BATTERY_LEVEL);
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}
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}
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}
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}
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};
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public MtpDatabase(Context context, String volumeName,
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String[] subDirectories) {
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native_setup();
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mContext = context;
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mMediaProvider = context.getContentResolver()
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.acquireContentProviderClient(MediaStore.AUTHORITY);
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mVolumeName = volumeName;
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mObjectsUri = Files.getMtpObjectsUri(volumeName);
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mMediaScanner = new MediaScanner(context, mVolumeName);
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mManager = new MtpStorageManager(new MtpStorageManager.MtpNotifier() {
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@Override
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public void sendObjectAdded(int id) {
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if (MtpDatabase.this.mServer != null)
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MtpDatabase.this.mServer.sendObjectAdded(id);
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}
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@Override
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public void sendObjectRemoved(int id) {
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if (MtpDatabase.this.mServer != null)
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MtpDatabase.this.mServer.sendObjectRemoved(id);
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}
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@Override
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public void sendObjectInfoChanged(int id) {
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if (MtpDatabase.this.mServer != null)
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MtpDatabase.this.mServer.sendObjectInfoChanged(id);
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}
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}, subDirectories == null ? null : Sets.newHashSet(subDirectories));
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initDeviceProperties(context);
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mDeviceType = SystemProperties.getInt("sys.usb.mtp.device_type", 0);
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mCloseGuard.open("close");
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}
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public void setServer(MtpServer server) {
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mServer = server;
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// always unregister before registering
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try {
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mContext.unregisterReceiver(mBatteryReceiver);
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} catch (IllegalArgumentException e) {
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// wasn't previously registered, ignore
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}
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// register for battery notifications when we are connected
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if (server != null) {
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mContext.registerReceiver(mBatteryReceiver,
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new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
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}
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}
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@Override
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public void close() {
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mManager.close();
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mCloseGuard.close();
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if (mClosed.compareAndSet(false, true)) {
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mMediaScanner.close();
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if (mMediaProvider != null) {
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mMediaProvider.close();
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}
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native_finalize();
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}
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}
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@Override
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protected void finalize() throws Throwable {
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try {
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if (mCloseGuard != null) {
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mCloseGuard.warnIfOpen();
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}
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close();
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} finally {
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super.finalize();
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}
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}
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public void addStorage(StorageVolume storage) {
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MtpStorage mtpStorage = mManager.addMtpStorage(storage);
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mStorageMap.put(storage.getPath(), mtpStorage);
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if (mServer != null) {
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mServer.addStorage(mtpStorage);
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}
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}
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public void removeStorage(StorageVolume storage) {
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MtpStorage mtpStorage = mStorageMap.get(storage.getPath());
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if (mtpStorage == null) {
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return;
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}
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if (mServer != null) {
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mServer.removeStorage(mtpStorage);
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}
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mManager.removeMtpStorage(mtpStorage);
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mStorageMap.remove(storage.getPath());
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}
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private void initDeviceProperties(Context context) {
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final String devicePropertiesName = "device-properties";
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mDeviceProperties = context.getSharedPreferences(devicePropertiesName,
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Context.MODE_PRIVATE);
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File databaseFile = context.getDatabasePath(devicePropertiesName);
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if (databaseFile.exists()) {
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// for backward compatibility - read device properties from sqlite database
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// and migrate them to shared prefs
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SQLiteDatabase db = null;
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Cursor c = null;
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try {
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db = context.openOrCreateDatabase("device-properties", Context.MODE_PRIVATE, null);
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if (db != null) {
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c = db.query("properties", new String[]{"_id", "code", "value"},
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null, null, null, null, null);
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if (c != null) {
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SharedPreferences.Editor e = mDeviceProperties.edit();
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while (c.moveToNext()) {
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String name = c.getString(1);
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String value = c.getString(2);
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e.putString(name, value);
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}
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e.commit();
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}
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}
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} catch (Exception e) {
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Log.e(TAG, "failed to migrate device properties", e);
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} finally {
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if (c != null) c.close();
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if (db != null) db.close();
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}
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context.deleteDatabase(devicePropertiesName);
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}
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}
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private int beginSendObject(String path, int format, int parent, int storageId) {
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MtpStorageManager.MtpObject parentObj =
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parent == 0 ? mManager.getStorageRoot(storageId) : mManager.getObject(parent);
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if (parentObj == null) {
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return -1;
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}
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Path objPath = Paths.get(path);
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return mManager.beginSendObject(parentObj, objPath.getFileName().toString(), format);
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}
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private void endSendObject(int handle, boolean succeeded) {
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MtpStorageManager.MtpObject obj = mManager.getObject(handle);
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if (obj == null || !mManager.endSendObject(obj, succeeded)) {
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Log.e(TAG, "Failed to successfully end send object");
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return;
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}
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// Add the new file to MediaProvider
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if (succeeded) {
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String path = obj.getPath().toString();
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int format = obj.getFormat();
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// Get parent info from MediaProvider, since the id is different from MTP's
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ContentValues values = new ContentValues();
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values.put(Files.FileColumns.DATA, path);
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values.put(Files.FileColumns.FORMAT, format);
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values.put(Files.FileColumns.SIZE, obj.getSize());
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values.put(Files.FileColumns.DATE_MODIFIED, obj.getModifiedTime());
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try {
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if (obj.getParent().isRoot()) {
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values.put(Files.FileColumns.PARENT, 0);
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} else {
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int parentId = findInMedia(obj.getParent().getPath());
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if (parentId != -1) {
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values.put(Files.FileColumns.PARENT, parentId);
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} else {
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// The parent isn't in MediaProvider. Don't add the new file.
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return;
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}
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}
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Uri uri = mMediaProvider.insert(mObjectsUri, values);
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if (uri != null) {
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rescanFile(path, Integer.parseInt(uri.getPathSegments().get(2)), format);
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}
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} catch (RemoteException e) {
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Log.e(TAG, "RemoteException in beginSendObject", e);
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}
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}
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}
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private void rescanFile(String path, int handle, int format) {
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// handle abstract playlists separately
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// they do not exist in the file system so don't use the media scanner here
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if (format == MtpConstants.FORMAT_ABSTRACT_AV_PLAYLIST) {
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// extract name from path
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String name = path;
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int lastSlash = name.lastIndexOf('/');
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if (lastSlash >= 0) {
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name = name.substring(lastSlash + 1);
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}
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// strip trailing ".pla" from the name
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if (name.endsWith(".pla")) {
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name = name.substring(0, name.length() - 4);
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}
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ContentValues values = new ContentValues(1);
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values.put(Audio.Playlists.DATA, path);
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values.put(Audio.Playlists.NAME, name);
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values.put(Files.FileColumns.FORMAT, format);
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values.put(Files.FileColumns.DATE_MODIFIED, System.currentTimeMillis() / 1000);
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values.put(MediaColumns.MEDIA_SCANNER_NEW_OBJECT_ID, handle);
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try {
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mMediaProvider.insert(
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Audio.Playlists.EXTERNAL_CONTENT_URI, values);
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} catch (RemoteException e) {
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Log.e(TAG, "RemoteException in endSendObject", e);
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}
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} else {
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mMediaScanner.scanMtpFile(path, handle, format);
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}
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}
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private int[] getObjectList(int storageID, int format, int parent) {
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List<MtpStorageManager.MtpObject> objs = mManager.getObjects(parent,
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format, storageID);
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if (objs == null) {
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return null;
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}
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int[] ret = new int[objs.size()];
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for (int i = 0; i < objs.size(); i++) {
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ret[i] = objs.get(i).getId();
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}
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return ret;
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}
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private int getNumObjects(int storageID, int format, int parent) {
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List<MtpStorageManager.MtpObject> objs = mManager.getObjects(parent,
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format, storageID);
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if (objs == null) {
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return -1;
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}
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return objs.size();
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}
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private MtpPropertyList getObjectPropertyList(int handle, int format, int property,
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int groupCode, int depth) {
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// FIXME - implement group support
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if (property == 0) {
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if (groupCode == 0) {
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return new MtpPropertyList(MtpConstants.RESPONSE_PARAMETER_NOT_SUPPORTED);
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}
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return new MtpPropertyList(MtpConstants.RESPONSE_SPECIFICATION_BY_GROUP_UNSUPPORTED);
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}
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if (depth == 0xFFFFFFFF && (handle == 0 || handle == 0xFFFFFFFF)) {
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// request all objects starting at root
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handle = 0xFFFFFFFF;
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depth = 0;
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}
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if (!(depth == 0 || depth == 1)) {
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// we only support depth 0 and 1
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// depth 0: single object, depth 1: immediate children
|
|
return new MtpPropertyList(MtpConstants.RESPONSE_SPECIFICATION_BY_DEPTH_UNSUPPORTED);
|
|
}
|
|
List<MtpStorageManager.MtpObject> objs = null;
|
|
MtpStorageManager.MtpObject thisObj = null;
|
|
if (handle == 0xFFFFFFFF) {
|
|
// All objects are requested
|
|
objs = mManager.getObjects(0, format, 0xFFFFFFFF);
|
|
if (objs == null) {
|
|
return new MtpPropertyList(MtpConstants.RESPONSE_INVALID_OBJECT_HANDLE);
|
|
}
|
|
} else if (handle != 0) {
|
|
// Add the requested object if format matches
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(handle);
|
|
if (obj == null) {
|
|
return new MtpPropertyList(MtpConstants.RESPONSE_INVALID_OBJECT_HANDLE);
|
|
}
|
|
if (obj.getFormat() == format || format == 0) {
|
|
thisObj = obj;
|
|
}
|
|
}
|
|
if (handle == 0 || depth == 1) {
|
|
if (handle == 0) {
|
|
handle = 0xFFFFFFFF;
|
|
}
|
|
// Get the direct children of root or this object.
|
|
objs = mManager.getObjects(handle, format,
|
|
0xFFFFFFFF);
|
|
if (objs == null) {
|
|
return new MtpPropertyList(MtpConstants.RESPONSE_INVALID_OBJECT_HANDLE);
|
|
}
|
|
}
|
|
if (objs == null) {
|
|
objs = new ArrayList<>();
|
|
}
|
|
if (thisObj != null) {
|
|
objs.add(thisObj);
|
|
}
|
|
|
|
MtpPropertyList ret = new MtpPropertyList(MtpConstants.RESPONSE_OK);
|
|
MtpPropertyGroup propertyGroup;
|
|
for (MtpStorageManager.MtpObject obj : objs) {
|
|
if (property == 0xffffffff) {
|
|
if (format == 0 && handle != 0 && handle != 0xffffffff) {
|
|
// return properties based on the object's format
|
|
format = obj.getFormat();
|
|
}
|
|
// Get all properties supported by this object
|
|
// format should be the same between get & put
|
|
propertyGroup = mPropertyGroupsByFormat.get(format);
|
|
if (propertyGroup == null) {
|
|
int[] propertyList = getSupportedObjectProperties(format);
|
|
propertyGroup = new MtpPropertyGroup(mMediaProvider, mVolumeName,
|
|
propertyList);
|
|
mPropertyGroupsByFormat.put(format, propertyGroup);
|
|
}
|
|
} else {
|
|
// Get this property value
|
|
final int[] propertyList = new int[]{property};
|
|
propertyGroup = mPropertyGroupsByProperty.get(property);
|
|
if (propertyGroup == null) {
|
|
propertyGroup = new MtpPropertyGroup(mMediaProvider, mVolumeName,
|
|
propertyList);
|
|
mPropertyGroupsByProperty.put(property, propertyGroup);
|
|
}
|
|
}
|
|
int err = propertyGroup.getPropertyList(obj, ret);
|
|
if (err != MtpConstants.RESPONSE_OK) {
|
|
return new MtpPropertyList(err);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
private int renameFile(int handle, String newName) {
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(handle);
|
|
if (obj == null) {
|
|
return MtpConstants.RESPONSE_INVALID_OBJECT_HANDLE;
|
|
}
|
|
Path oldPath = obj.getPath();
|
|
|
|
// now rename the file. make sure this succeeds before updating database
|
|
if (!mManager.beginRenameObject(obj, newName))
|
|
return MtpConstants.RESPONSE_GENERAL_ERROR;
|
|
Path newPath = obj.getPath();
|
|
boolean success = oldPath.toFile().renameTo(newPath.toFile());
|
|
try {
|
|
Os.access(oldPath.toString(), OsConstants.F_OK);
|
|
Os.access(newPath.toString(), OsConstants.F_OK);
|
|
} catch (ErrnoException e) {
|
|
// Ignore. Could fail if the metadata was already updated.
|
|
}
|
|
|
|
if (!mManager.endRenameObject(obj, oldPath.getFileName().toString(), success)) {
|
|
Log.e(TAG, "Failed to end rename object");
|
|
}
|
|
if (!success) {
|
|
return MtpConstants.RESPONSE_GENERAL_ERROR;
|
|
}
|
|
|
|
// finally update MediaProvider
|
|
ContentValues values = new ContentValues();
|
|
values.put(Files.FileColumns.DATA, newPath.toString());
|
|
String[] whereArgs = new String[]{oldPath.toString()};
|
|
try {
|
|
// note - we are relying on a special case in MediaProvider.update() to update
|
|
// the paths for all children in the case where this is a directory.
|
|
mMediaProvider.update(mObjectsUri, values, PATH_WHERE, whereArgs);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "RemoteException in mMediaProvider.update", e);
|
|
}
|
|
|
|
// check if nomedia status changed
|
|
if (obj.isDir()) {
|
|
// for directories, check if renamed from something hidden to something non-hidden
|
|
if (oldPath.getFileName().startsWith(".") && !newPath.startsWith(".")) {
|
|
// directory was unhidden
|
|
try {
|
|
mMediaProvider.call(MediaStore.UNHIDE_CALL, newPath.toString(), null);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "failed to unhide/rescan for " + newPath);
|
|
}
|
|
}
|
|
} else {
|
|
// for files, check if renamed from .nomedia to something else
|
|
if (oldPath.getFileName().toString().toLowerCase(Locale.US).equals(NO_MEDIA)
|
|
&& !newPath.getFileName().toString().toLowerCase(Locale.US).equals(NO_MEDIA)) {
|
|
try {
|
|
mMediaProvider.call(MediaStore.UNHIDE_CALL,
|
|
oldPath.getParent().toString(), null);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "failed to unhide/rescan for " + newPath);
|
|
}
|
|
}
|
|
}
|
|
return MtpConstants.RESPONSE_OK;
|
|
}
|
|
|
|
private int beginMoveObject(int handle, int newParent, int newStorage) {
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(handle);
|
|
MtpStorageManager.MtpObject parent = newParent == 0 ?
|
|
mManager.getStorageRoot(newStorage) : mManager.getObject(newParent);
|
|
if (obj == null || parent == null)
|
|
return MtpConstants.RESPONSE_INVALID_OBJECT_HANDLE;
|
|
|
|
boolean allowed = mManager.beginMoveObject(obj, parent);
|
|
return allowed ? MtpConstants.RESPONSE_OK : MtpConstants.RESPONSE_GENERAL_ERROR;
|
|
}
|
|
|
|
private void endMoveObject(int oldParent, int newParent, int oldStorage, int newStorage,
|
|
int objId, boolean success) {
|
|
MtpStorageManager.MtpObject oldParentObj = oldParent == 0 ?
|
|
mManager.getStorageRoot(oldStorage) : mManager.getObject(oldParent);
|
|
MtpStorageManager.MtpObject newParentObj = newParent == 0 ?
|
|
mManager.getStorageRoot(newStorage) : mManager.getObject(newParent);
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(objId);
|
|
String name = obj.getName();
|
|
if (newParentObj == null || oldParentObj == null
|
|
||!mManager.endMoveObject(oldParentObj, newParentObj, name, success)) {
|
|
Log.e(TAG, "Failed to end move object");
|
|
return;
|
|
}
|
|
|
|
obj = mManager.getObject(objId);
|
|
if (!success || obj == null)
|
|
return;
|
|
// Get parent info from MediaProvider, since the id is different from MTP's
|
|
ContentValues values = new ContentValues();
|
|
Path path = newParentObj.getPath().resolve(name);
|
|
Path oldPath = oldParentObj.getPath().resolve(name);
|
|
values.put(Files.FileColumns.DATA, path.toString());
|
|
if (obj.getParent().isRoot()) {
|
|
values.put(Files.FileColumns.PARENT, 0);
|
|
} else {
|
|
int parentId = findInMedia(path.getParent());
|
|
if (parentId != -1) {
|
|
values.put(Files.FileColumns.PARENT, parentId);
|
|
} else {
|
|
// The new parent isn't in MediaProvider, so delete the object instead
|
|
deleteFromMedia(oldPath, obj.isDir());
|
|
return;
|
|
}
|
|
}
|
|
// update MediaProvider
|
|
Cursor c = null;
|
|
String[] whereArgs = new String[]{oldPath.toString()};
|
|
try {
|
|
int parentId = -1;
|
|
if (!oldParentObj.isRoot()) {
|
|
parentId = findInMedia(oldPath.getParent());
|
|
}
|
|
if (oldParentObj.isRoot() || parentId != -1) {
|
|
// Old parent exists in MediaProvider - perform a move
|
|
// note - we are relying on a special case in MediaProvider.update() to update
|
|
// the paths for all children in the case where this is a directory.
|
|
mMediaProvider.update(mObjectsUri, values, PATH_WHERE, whereArgs);
|
|
} else {
|
|
// Old parent doesn't exist - add the object
|
|
values.put(Files.FileColumns.FORMAT, obj.getFormat());
|
|
values.put(Files.FileColumns.SIZE, obj.getSize());
|
|
values.put(Files.FileColumns.DATE_MODIFIED, obj.getModifiedTime());
|
|
Uri uri = mMediaProvider.insert(mObjectsUri, values);
|
|
if (uri != null) {
|
|
rescanFile(path.toString(),
|
|
Integer.parseInt(uri.getPathSegments().get(2)), obj.getFormat());
|
|
}
|
|
}
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "RemoteException in mMediaProvider.update", e);
|
|
}
|
|
}
|
|
|
|
private int beginCopyObject(int handle, int newParent, int newStorage) {
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(handle);
|
|
MtpStorageManager.MtpObject parent = newParent == 0 ?
|
|
mManager.getStorageRoot(newStorage) : mManager.getObject(newParent);
|
|
if (obj == null || parent == null)
|
|
return MtpConstants.RESPONSE_INVALID_OBJECT_HANDLE;
|
|
return mManager.beginCopyObject(obj, parent);
|
|
}
|
|
|
|
private void endCopyObject(int handle, boolean success) {
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(handle);
|
|
if (obj == null || !mManager.endCopyObject(obj, success)) {
|
|
Log.e(TAG, "Failed to end copy object");
|
|
return;
|
|
}
|
|
if (!success) {
|
|
return;
|
|
}
|
|
String path = obj.getPath().toString();
|
|
int format = obj.getFormat();
|
|
// Get parent info from MediaProvider, since the id is different from MTP's
|
|
ContentValues values = new ContentValues();
|
|
values.put(Files.FileColumns.DATA, path);
|
|
values.put(Files.FileColumns.FORMAT, format);
|
|
values.put(Files.FileColumns.SIZE, obj.getSize());
|
|
values.put(Files.FileColumns.DATE_MODIFIED, obj.getModifiedTime());
|
|
try {
|
|
if (obj.getParent().isRoot()) {
|
|
values.put(Files.FileColumns.PARENT, 0);
|
|
} else {
|
|
int parentId = findInMedia(obj.getParent().getPath());
|
|
if (parentId != -1) {
|
|
values.put(Files.FileColumns.PARENT, parentId);
|
|
} else {
|
|
// The parent isn't in MediaProvider. Don't add the new file.
|
|
return;
|
|
}
|
|
}
|
|
if (obj.isDir()) {
|
|
mMediaScanner.scanDirectories(new String[]{path});
|
|
} else {
|
|
Uri uri = mMediaProvider.insert(mObjectsUri, values);
|
|
if (uri != null) {
|
|
rescanFile(path, Integer.parseInt(uri.getPathSegments().get(2)), format);
|
|
}
|
|
}
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "RemoteException in beginSendObject", e);
|
|
}
|
|
}
|
|
|
|
private int setObjectProperty(int handle, int property,
|
|
long intValue, String stringValue) {
|
|
switch (property) {
|
|
case MtpConstants.PROPERTY_OBJECT_FILE_NAME:
|
|
return renameFile(handle, stringValue);
|
|
|
|
default:
|
|
return MtpConstants.RESPONSE_OBJECT_PROP_NOT_SUPPORTED;
|
|
}
|
|
}
|
|
|
|
private int getDeviceProperty(int property, long[] outIntValue, char[] outStringValue) {
|
|
switch (property) {
|
|
case MtpConstants.DEVICE_PROPERTY_SYNCHRONIZATION_PARTNER:
|
|
case MtpConstants.DEVICE_PROPERTY_DEVICE_FRIENDLY_NAME:
|
|
// writable string properties kept in shared preferences
|
|
String value = mDeviceProperties.getString(Integer.toString(property), "");
|
|
int length = value.length();
|
|
if (length > 255) {
|
|
length = 255;
|
|
}
|
|
value.getChars(0, length, outStringValue, 0);
|
|
outStringValue[length] = 0;
|
|
return MtpConstants.RESPONSE_OK;
|
|
case MtpConstants.DEVICE_PROPERTY_IMAGE_SIZE:
|
|
// use screen size as max image size
|
|
Display display = ((WindowManager) mContext.getSystemService(
|
|
Context.WINDOW_SERVICE)).getDefaultDisplay();
|
|
int width = display.getMaximumSizeDimension();
|
|
int height = display.getMaximumSizeDimension();
|
|
String imageSize = Integer.toString(width) + "x" + Integer.toString(height);
|
|
imageSize.getChars(0, imageSize.length(), outStringValue, 0);
|
|
outStringValue[imageSize.length()] = 0;
|
|
return MtpConstants.RESPONSE_OK;
|
|
case MtpConstants.DEVICE_PROPERTY_PERCEIVED_DEVICE_TYPE:
|
|
outIntValue[0] = mDeviceType;
|
|
return MtpConstants.RESPONSE_OK;
|
|
case MtpConstants.DEVICE_PROPERTY_BATTERY_LEVEL:
|
|
outIntValue[0] = mBatteryLevel;
|
|
outIntValue[1] = mBatteryScale;
|
|
return MtpConstants.RESPONSE_OK;
|
|
default:
|
|
return MtpConstants.RESPONSE_DEVICE_PROP_NOT_SUPPORTED;
|
|
}
|
|
}
|
|
|
|
private int setDeviceProperty(int property, long intValue, String stringValue) {
|
|
switch (property) {
|
|
case MtpConstants.DEVICE_PROPERTY_SYNCHRONIZATION_PARTNER:
|
|
case MtpConstants.DEVICE_PROPERTY_DEVICE_FRIENDLY_NAME:
|
|
// writable string properties kept in shared prefs
|
|
SharedPreferences.Editor e = mDeviceProperties.edit();
|
|
e.putString(Integer.toString(property), stringValue);
|
|
return (e.commit() ? MtpConstants.RESPONSE_OK
|
|
: MtpConstants.RESPONSE_GENERAL_ERROR);
|
|
}
|
|
|
|
return MtpConstants.RESPONSE_DEVICE_PROP_NOT_SUPPORTED;
|
|
}
|
|
|
|
private boolean getObjectInfo(int handle, int[] outStorageFormatParent,
|
|
char[] outName, long[] outCreatedModified) {
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(handle);
|
|
if (obj == null) {
|
|
return false;
|
|
}
|
|
outStorageFormatParent[0] = obj.getStorageId();
|
|
outStorageFormatParent[1] = obj.getFormat();
|
|
outStorageFormatParent[2] = obj.getParent().isRoot() ? 0 : obj.getParent().getId();
|
|
|
|
int nameLen = Integer.min(obj.getName().length(), 255);
|
|
obj.getName().getChars(0, nameLen, outName, 0);
|
|
outName[nameLen] = 0;
|
|
|
|
outCreatedModified[0] = obj.getModifiedTime();
|
|
outCreatedModified[1] = obj.getModifiedTime();
|
|
return true;
|
|
}
|
|
|
|
private int getObjectFilePath(int handle, char[] outFilePath, long[] outFileLengthFormat) {
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(handle);
|
|
if (obj == null) {
|
|
return MtpConstants.RESPONSE_INVALID_OBJECT_HANDLE;
|
|
}
|
|
|
|
String path = obj.getPath().toString();
|
|
int pathLen = Integer.min(path.length(), 4096);
|
|
path.getChars(0, pathLen, outFilePath, 0);
|
|
outFilePath[pathLen] = 0;
|
|
|
|
outFileLengthFormat[0] = obj.getSize();
|
|
outFileLengthFormat[1] = obj.getFormat();
|
|
return MtpConstants.RESPONSE_OK;
|
|
}
|
|
|
|
private int getObjectFormat(int handle) {
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(handle);
|
|
if (obj == null) {
|
|
return -1;
|
|
}
|
|
return obj.getFormat();
|
|
}
|
|
|
|
private int beginDeleteObject(int handle) {
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(handle);
|
|
if (obj == null) {
|
|
return MtpConstants.RESPONSE_INVALID_OBJECT_HANDLE;
|
|
}
|
|
if (!mManager.beginRemoveObject(obj)) {
|
|
return MtpConstants.RESPONSE_GENERAL_ERROR;
|
|
}
|
|
return MtpConstants.RESPONSE_OK;
|
|
}
|
|
|
|
private void endDeleteObject(int handle, boolean success) {
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(handle);
|
|
if (obj == null) {
|
|
return;
|
|
}
|
|
if (!mManager.endRemoveObject(obj, success))
|
|
Log.e(TAG, "Failed to end remove object");
|
|
if (success)
|
|
deleteFromMedia(obj.getPath(), obj.isDir());
|
|
}
|
|
|
|
private int findInMedia(Path path) {
|
|
int ret = -1;
|
|
Cursor c = null;
|
|
try {
|
|
c = mMediaProvider.query(mObjectsUri, ID_PROJECTION, PATH_WHERE,
|
|
new String[]{path.toString()}, null, null);
|
|
if (c != null && c.moveToNext()) {
|
|
ret = c.getInt(0);
|
|
}
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Error finding " + path + " in MediaProvider");
|
|
} finally {
|
|
if (c != null)
|
|
c.close();
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
private void deleteFromMedia(Path path, boolean isDir) {
|
|
try {
|
|
// Delete the object(s) from MediaProvider, but ignore errors.
|
|
if (isDir) {
|
|
// recursive case - delete all children first
|
|
mMediaProvider.delete(mObjectsUri,
|
|
// the 'like' makes it use the index, the 'lower()' makes it correct
|
|
// when the path contains sqlite wildcard characters
|
|
"_data LIKE ?1 AND lower(substr(_data,1,?2))=lower(?3)",
|
|
new String[]{path + "/%", Integer.toString(path.toString().length() + 1),
|
|
path.toString() + "/"});
|
|
}
|
|
|
|
String[] whereArgs = new String[]{path.toString()};
|
|
if (mMediaProvider.delete(mObjectsUri, PATH_WHERE, whereArgs) > 0) {
|
|
if (!isDir && path.toString().toLowerCase(Locale.US).endsWith(NO_MEDIA)) {
|
|
try {
|
|
String parentPath = path.getParent().toString();
|
|
mMediaProvider.call(MediaStore.UNHIDE_CALL, parentPath, null);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "failed to unhide/rescan for " + path);
|
|
}
|
|
}
|
|
} else {
|
|
Log.i(TAG, "Mediaprovider didn't delete " + path);
|
|
}
|
|
} catch (Exception e) {
|
|
Log.d(TAG, "Failed to delete " + path + " from MediaProvider");
|
|
}
|
|
}
|
|
|
|
private int[] getObjectReferences(int handle) {
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(handle);
|
|
if (obj == null)
|
|
return null;
|
|
// Translate this handle to the MediaProvider Handle
|
|
handle = findInMedia(obj.getPath());
|
|
if (handle == -1)
|
|
return null;
|
|
Uri uri = Files.getMtpReferencesUri(mVolumeName, handle);
|
|
Cursor c = null;
|
|
try {
|
|
c = mMediaProvider.query(uri, PATH_PROJECTION, null, null, null, null);
|
|
if (c == null) {
|
|
return null;
|
|
}
|
|
ArrayList<Integer> result = new ArrayList<>();
|
|
while (c.moveToNext()) {
|
|
// Translate result handles back into handles for this session.
|
|
String refPath = c.getString(0);
|
|
MtpStorageManager.MtpObject refObj = mManager.getByPath(refPath);
|
|
if (refObj != null) {
|
|
result.add(refObj.getId());
|
|
}
|
|
}
|
|
return result.stream().mapToInt(Integer::intValue).toArray();
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "RemoteException in getObjectList", e);
|
|
} finally {
|
|
if (c != null) {
|
|
c.close();
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private int setObjectReferences(int handle, int[] references) {
|
|
MtpStorageManager.MtpObject obj = mManager.getObject(handle);
|
|
if (obj == null)
|
|
return MtpConstants.RESPONSE_INVALID_OBJECT_HANDLE;
|
|
// Translate this handle to the MediaProvider Handle
|
|
handle = findInMedia(obj.getPath());
|
|
if (handle == -1)
|
|
return MtpConstants.RESPONSE_GENERAL_ERROR;
|
|
Uri uri = Files.getMtpReferencesUri(mVolumeName, handle);
|
|
ArrayList<ContentValues> valuesList = new ArrayList<>();
|
|
for (int id : references) {
|
|
// Translate each reference id to the MediaProvider Id
|
|
MtpStorageManager.MtpObject refObj = mManager.getObject(id);
|
|
if (refObj == null)
|
|
continue;
|
|
int refHandle = findInMedia(refObj.getPath());
|
|
if (refHandle == -1)
|
|
continue;
|
|
ContentValues values = new ContentValues();
|
|
values.put(Files.FileColumns._ID, refHandle);
|
|
valuesList.add(values);
|
|
}
|
|
try {
|
|
if (mMediaProvider.bulkInsert(uri, valuesList.toArray(new ContentValues[0])) > 0) {
|
|
return MtpConstants.RESPONSE_OK;
|
|
}
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "RemoteException in setObjectReferences", e);
|
|
}
|
|
return MtpConstants.RESPONSE_GENERAL_ERROR;
|
|
}
|
|
|
|
// used by the JNI code
|
|
private long mNativeContext;
|
|
|
|
private native final void native_setup();
|
|
private native final void native_finalize();
|
|
}
|