Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 17 | package android.mtp; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 18 | |
Jeff Sharkey | 60cfad8 | 2016-01-05 17:30:57 -0700 | [diff] [blame] | 19 | import android.content.ContentProviderClient; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 20 | import android.database.Cursor; |
| 21 | import android.net.Uri; |
| 22 | import android.os.RemoteException; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 23 | import android.provider.MediaStore.Audio; |
| 24 | import android.provider.MediaStore.Files; |
| 25 | import android.provider.MediaStore.Images; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 26 | import android.util.Log; |
| 27 | |
| 28 | import java.util.ArrayList; |
| 29 | |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 30 | /** |
| 31 | * MtpPropertyGroup represents a list of MTP properties. |
| 32 | * {@hide} |
| 33 | */ |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 34 | class MtpPropertyGroup { |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 35 | private static final String TAG = MtpPropertyGroup.class.getSimpleName(); |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 36 | |
| 37 | private class Property { |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 38 | int code; |
| 39 | int type; |
| 40 | int column; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 41 | |
| 42 | Property(int code, int type, int column) { |
| 43 | this.code = code; |
| 44 | this.type = type; |
| 45 | this.column = column; |
| 46 | } |
| 47 | } |
| 48 | |
Jeff Sharkey | 60cfad8 | 2016-01-05 17:30:57 -0700 | [diff] [blame] | 49 | private final ContentProviderClient mProvider; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 50 | private final String mVolumeName; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 51 | |
| 52 | // list of all properties in this group |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 53 | private final Property[] mProperties; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 54 | |
| 55 | // list of columns for database query |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 56 | private String[] mColumns; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 57 | |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 58 | private static final String PATH_WHERE = Files.FileColumns.DATA + "=?"; |
| 59 | |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 60 | // constructs a property group for a list of properties |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 61 | public MtpPropertyGroup(ContentProviderClient provider, String volumeName, int[] properties) { |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 62 | mProvider = provider; |
Jeff Sharkey | 60cfad8 | 2016-01-05 17:30:57 -0700 | [diff] [blame] | 63 | mVolumeName = volumeName; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 64 | |
| 65 | int count = properties.length; |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 66 | ArrayList<String> columns = new ArrayList<>(count); |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 67 | columns.add(Files.FileColumns._ID); |
| 68 | |
| 69 | mProperties = new Property[count]; |
| 70 | for (int i = 0; i < count; i++) { |
| 71 | mProperties[i] = createProperty(properties[i], columns); |
| 72 | } |
| 73 | count = columns.size(); |
| 74 | mColumns = new String[count]; |
| 75 | for (int i = 0; i < count; i++) { |
| 76 | mColumns[i] = columns.get(i); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | private Property createProperty(int code, ArrayList<String> columns) { |
| 81 | String column = null; |
| 82 | int type; |
| 83 | |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 84 | switch (code) { |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 85 | case MtpConstants.PROPERTY_STORAGE_ID: |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 86 | type = MtpConstants.TYPE_UINT32; |
| 87 | break; |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 88 | case MtpConstants.PROPERTY_OBJECT_FORMAT: |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 89 | type = MtpConstants.TYPE_UINT16; |
| 90 | break; |
| 91 | case MtpConstants.PROPERTY_PROTECTION_STATUS: |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 92 | type = MtpConstants.TYPE_UINT16; |
| 93 | break; |
| 94 | case MtpConstants.PROPERTY_OBJECT_SIZE: |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 95 | type = MtpConstants.TYPE_UINT64; |
| 96 | break; |
| 97 | case MtpConstants.PROPERTY_OBJECT_FILE_NAME: |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 98 | type = MtpConstants.TYPE_STR; |
| 99 | break; |
| 100 | case MtpConstants.PROPERTY_NAME: |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 101 | type = MtpConstants.TYPE_STR; |
| 102 | break; |
| 103 | case MtpConstants.PROPERTY_DATE_MODIFIED: |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 104 | type = MtpConstants.TYPE_STR; |
| 105 | break; |
| 106 | case MtpConstants.PROPERTY_DATE_ADDED: |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 107 | type = MtpConstants.TYPE_STR; |
| 108 | break; |
| 109 | case MtpConstants.PROPERTY_ORIGINAL_RELEASE_DATE: |
| 110 | column = Audio.AudioColumns.YEAR; |
| 111 | type = MtpConstants.TYPE_STR; |
| 112 | break; |
| 113 | case MtpConstants.PROPERTY_PARENT_OBJECT: |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 114 | type = MtpConstants.TYPE_UINT32; |
| 115 | break; |
| 116 | case MtpConstants.PROPERTY_PERSISTENT_UID: |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 117 | type = MtpConstants.TYPE_UINT128; |
| 118 | break; |
| 119 | case MtpConstants.PROPERTY_DURATION: |
| 120 | column = Audio.AudioColumns.DURATION; |
| 121 | type = MtpConstants.TYPE_UINT32; |
| 122 | break; |
| 123 | case MtpConstants.PROPERTY_TRACK: |
| 124 | column = Audio.AudioColumns.TRACK; |
| 125 | type = MtpConstants.TYPE_UINT16; |
| 126 | break; |
| 127 | case MtpConstants.PROPERTY_DISPLAY_NAME: |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 128 | type = MtpConstants.TYPE_STR; |
| 129 | break; |
| 130 | case MtpConstants.PROPERTY_ARTIST: |
| 131 | type = MtpConstants.TYPE_STR; |
| 132 | break; |
| 133 | case MtpConstants.PROPERTY_ALBUM_NAME: |
| 134 | type = MtpConstants.TYPE_STR; |
| 135 | break; |
| 136 | case MtpConstants.PROPERTY_ALBUM_ARTIST: |
| 137 | column = Audio.AudioColumns.ALBUM_ARTIST; |
| 138 | type = MtpConstants.TYPE_STR; |
| 139 | break; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 140 | case MtpConstants.PROPERTY_COMPOSER: |
| 141 | column = Audio.AudioColumns.COMPOSER; |
| 142 | type = MtpConstants.TYPE_STR; |
| 143 | break; |
| 144 | case MtpConstants.PROPERTY_DESCRIPTION: |
| 145 | column = Images.ImageColumns.DESCRIPTION; |
| 146 | type = MtpConstants.TYPE_STR; |
| 147 | break; |
Mike Lockwood | 7182774 | 2015-01-23 10:50:08 -0800 | [diff] [blame] | 148 | case MtpConstants.PROPERTY_AUDIO_WAVE_CODEC: |
| 149 | case MtpConstants.PROPERTY_AUDIO_BITRATE: |
| 150 | case MtpConstants.PROPERTY_SAMPLE_RATE: |
| 151 | // these are special cased |
| 152 | type = MtpConstants.TYPE_UINT32; |
| 153 | break; |
| 154 | case MtpConstants.PROPERTY_BITRATE_TYPE: |
| 155 | case MtpConstants.PROPERTY_NUMBER_OF_CHANNELS: |
| 156 | // these are special cased |
| 157 | type = MtpConstants.TYPE_UINT16; |
| 158 | break; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 159 | default: |
| 160 | type = MtpConstants.TYPE_UNDEFINED; |
| 161 | Log.e(TAG, "unsupported property " + code); |
| 162 | break; |
| 163 | } |
| 164 | |
| 165 | if (column != null) { |
| 166 | columns.add(column); |
| 167 | return new Property(code, type, columns.size() - 1); |
| 168 | } else { |
| 169 | return new Property(code, type, -1); |
| 170 | } |
| 171 | } |
| 172 | |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 173 | /** |
| 174 | * Gets the values of the properties represented by this property group for the given |
| 175 | * object and adds them to the given property list. |
| 176 | * @return Response_OK if the operation succeeded. |
| 177 | */ |
| 178 | public int getPropertyList(MtpStorageManager.MtpObject object, MtpPropertyList list) { |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 179 | Cursor c = null; |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 180 | int id = object.getId(); |
| 181 | String path = object.getPath().toString(); |
| 182 | for (Property property : mProperties) { |
| 183 | if (property.column != -1 && c == null) { |
| 184 | try { |
| 185 | // Look up the entry in MediaProvider only if one of those properties is needed. |
Jeff Sharkey | ff20095 | 2019-03-24 12:50:51 -0600 | [diff] [blame] | 186 | final Uri uri = MtpDatabase.getObjectPropertiesUri(object.getFormat(), |
| 187 | mVolumeName); |
| 188 | c = mProvider.query(uri, mColumns, |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 189 | PATH_WHERE, new String[] {path}, null, null); |
| 190 | if (c != null && !c.moveToNext()) { |
| 191 | c.close(); |
| 192 | c = null; |
| 193 | } |
Jeff Sharkey | ff20095 | 2019-03-24 12:50:51 -0600 | [diff] [blame] | 194 | } catch (IllegalArgumentException e) { |
| 195 | return MtpConstants.RESPONSE_INVALID_OBJECT_PROP_CODE; |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 196 | } catch (RemoteException e) { |
| 197 | Log.e(TAG, "Mediaprovider lookup failed"); |
Mike Lockwood | 4356d81 | 2011-02-07 13:40:21 -0500 | [diff] [blame] | 198 | } |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 199 | } |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 200 | switch (property.code) { |
| 201 | case MtpConstants.PROPERTY_PROTECTION_STATUS: |
| 202 | // protection status is always 0 |
| 203 | list.append(id, property.code, property.type, 0); |
| 204 | break; |
| 205 | case MtpConstants.PROPERTY_NAME: |
| 206 | case MtpConstants.PROPERTY_OBJECT_FILE_NAME: |
| 207 | case MtpConstants.PROPERTY_DISPLAY_NAME: |
| 208 | list.append(id, property.code, object.getName()); |
| 209 | break; |
| 210 | case MtpConstants.PROPERTY_DATE_MODIFIED: |
| 211 | case MtpConstants.PROPERTY_DATE_ADDED: |
| 212 | // convert from seconds to DateTime |
| 213 | list.append(id, property.code, |
| 214 | format_date_time(object.getModifiedTime())); |
| 215 | break; |
| 216 | case MtpConstants.PROPERTY_STORAGE_ID: |
| 217 | list.append(id, property.code, property.type, object.getStorageId()); |
| 218 | break; |
| 219 | case MtpConstants.PROPERTY_OBJECT_FORMAT: |
| 220 | list.append(id, property.code, property.type, object.getFormat()); |
| 221 | break; |
| 222 | case MtpConstants.PROPERTY_OBJECT_SIZE: |
| 223 | list.append(id, property.code, property.type, object.getSize()); |
| 224 | break; |
| 225 | case MtpConstants.PROPERTY_PARENT_OBJECT: |
| 226 | list.append(id, property.code, property.type, |
| 227 | object.getParent().isRoot() ? 0 : object.getParent().getId()); |
| 228 | break; |
| 229 | case MtpConstants.PROPERTY_PERSISTENT_UID: |
| 230 | // The persistent uid must be unique and never reused among all objects, |
| 231 | // and remain the same between sessions. |
| 232 | long puid = (object.getPath().toString().hashCode() << 32) |
| 233 | + object.getModifiedTime(); |
| 234 | list.append(id, property.code, property.type, puid); |
| 235 | break; |
| 236 | case MtpConstants.PROPERTY_ORIGINAL_RELEASE_DATE: |
| 237 | // release date is stored internally as just the year |
| 238 | int year = 0; |
| 239 | if (c != null) |
| 240 | year = c.getInt(property.column); |
| 241 | String dateTime = Integer.toString(year) + "0101T000000"; |
| 242 | list.append(id, property.code, dateTime); |
| 243 | break; |
| 244 | case MtpConstants.PROPERTY_TRACK: |
| 245 | int track = 0; |
| 246 | if (c != null) |
| 247 | track = c.getInt(property.column); |
| 248 | list.append(id, property.code, MtpConstants.TYPE_UINT16, |
| 249 | track % 1000); |
| 250 | break; |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 251 | case MtpConstants.PROPERTY_AUDIO_WAVE_CODEC: |
| 252 | case MtpConstants.PROPERTY_AUDIO_BITRATE: |
| 253 | case MtpConstants.PROPERTY_SAMPLE_RATE: |
| 254 | // we don't have these in our database, so return 0 |
| 255 | list.append(id, property.code, MtpConstants.TYPE_UINT32, 0); |
| 256 | break; |
| 257 | case MtpConstants.PROPERTY_BITRATE_TYPE: |
| 258 | case MtpConstants.PROPERTY_NUMBER_OF_CHANNELS: |
| 259 | // we don't have these in our database, so return 0 |
| 260 | list.append(id, property.code, MtpConstants.TYPE_UINT16, 0); |
| 261 | break; |
| 262 | default: |
| 263 | switch(property.type) { |
| 264 | case MtpConstants.TYPE_UNDEFINED: |
| 265 | list.append(id, property.code, property.type, 0); |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 266 | break; |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 267 | case MtpConstants.TYPE_STR: |
| 268 | String value = ""; |
| 269 | if (c != null) |
| 270 | value = c.getString(property.column); |
| 271 | list.append(id, property.code, value); |
Mike Lockwood | 7182774 | 2015-01-23 10:50:08 -0800 | [diff] [blame] | 272 | break; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 273 | default: |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 274 | long longValue = 0L; |
| 275 | if (c != null) |
| 276 | longValue = c.getLong(property.column); |
| 277 | list.append(id, property.code, property.type, longValue); |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 278 | } |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 279 | } |
| 280 | } |
Jerry Zhang | f9c5c25 | 2017-08-16 18:07:51 -0700 | [diff] [blame] | 281 | if (c != null) |
| 282 | c.close(); |
| 283 | return MtpConstants.RESPONSE_OK; |
Mike Lockwood | 7d7fb63 | 2010-12-01 18:46:23 -0500 | [diff] [blame] | 284 | } |
| 285 | |
| 286 | private native String format_date_time(long seconds); |
| 287 | } |