The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 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 | |
| 17 | package android.provider; |
| 18 | |
| 19 | import android.annotation.SdkConstant; |
| 20 | import android.annotation.SdkConstant.SdkConstantType; |
| 21 | import android.content.ContentResolver; |
| 22 | import android.content.ContentValues; |
| 23 | import android.content.ContentUris; |
Marco Nelissen | 3822f73 | 2011-02-03 10:59:30 -0800 | [diff] [blame] | 24 | import android.content.Context; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 25 | import android.database.Cursor; |
| 26 | import android.database.DatabaseUtils; |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 27 | import android.database.sqlite.SQLiteException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 28 | import android.graphics.Bitmap; |
| 29 | import android.graphics.BitmapFactory; |
| 30 | import android.graphics.Matrix; |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 31 | import android.media.MiniThumbFile; |
Ray Chen | bf124e7 | 2010-01-26 14:43:35 -0800 | [diff] [blame] | 32 | import android.media.ThumbnailUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 33 | import android.net.Uri; |
| 34 | import android.os.Environment; |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 35 | import android.os.ParcelFileDescriptor; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 36 | import android.util.Log; |
| 37 | |
| 38 | import java.io.FileInputStream; |
| 39 | import java.io.FileNotFoundException; |
| 40 | import java.io.IOException; |
| 41 | import java.io.InputStream; |
| 42 | import java.io.OutputStream; |
| 43 | import java.io.UnsupportedEncodingException; |
| 44 | import java.text.Collator; |
| 45 | |
| 46 | /** |
| 47 | * The Media provider contains meta data for all available media on both internal |
| 48 | * and external storage devices. |
| 49 | */ |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 50 | public final class MediaStore { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 51 | private final static String TAG = "MediaStore"; |
| 52 | |
| 53 | public static final String AUTHORITY = "media"; |
| 54 | |
| 55 | private static final String CONTENT_AUTHORITY_SLASH = "content://" + AUTHORITY + "/"; |
| 56 | |
Mike Lockwood | a315605 | 2010-11-20 12:28:27 -0500 | [diff] [blame] | 57 | /** |
| 58 | * Broadcast Action: A broadcast to indicate the end of an MTP session with the host. |
| 59 | * This broadcast is only sent if MTP activity has modified the media database during the |
| 60 | * most recent MTP session. |
Mike Lockwood | e222872 | 2011-01-19 16:07:25 -0800 | [diff] [blame] | 61 | * |
| 62 | * @hide |
Mike Lockwood | a315605 | 2010-11-20 12:28:27 -0500 | [diff] [blame] | 63 | */ |
| 64 | public static final String ACTION_MTP_SESSION_END = "android.provider.action.MTP_SESSION_END"; |
| 65 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 66 | /** |
Daniel Sandler | edcdbb6 | 2010-02-18 16:00:43 -0500 | [diff] [blame] | 67 | * Activity Action: Launch a music player. |
| 68 | * The activity should be able to play, browse, or manipulate music files stored on the device. |
| 69 | */ |
| 70 | @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) |
| 71 | public static final String INTENT_ACTION_MUSIC_PLAYER = "android.intent.action.MUSIC_PLAYER"; |
| 72 | |
| 73 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 74 | * Activity Action: Perform a search for media. |
| 75 | * Contains at least the {@link android.app.SearchManager#QUERY} extra. |
| 76 | * May also contain any combination of the following extras: |
| 77 | * EXTRA_MEDIA_ARTIST, EXTRA_MEDIA_ALBUM, EXTRA_MEDIA_TITLE, EXTRA_MEDIA_FOCUS |
| 78 | * |
| 79 | * @see android.provider.MediaStore#EXTRA_MEDIA_ARTIST |
| 80 | * @see android.provider.MediaStore#EXTRA_MEDIA_ALBUM |
| 81 | * @see android.provider.MediaStore#EXTRA_MEDIA_TITLE |
| 82 | * @see android.provider.MediaStore#EXTRA_MEDIA_FOCUS |
| 83 | */ |
| 84 | @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) |
| 85 | public static final String INTENT_ACTION_MEDIA_SEARCH = "android.intent.action.MEDIA_SEARCH"; |
| 86 | |
| 87 | /** |
Mike LeBeau | 2fe6fd0 | 2010-09-08 19:10:17 -0400 | [diff] [blame] | 88 | * An intent to perform a search for music media and automatically play content from the |
| 89 | * result when possible. This can be fired, for example, by the result of a voice recognition |
| 90 | * command to listen to music. |
| 91 | * <p> |
| 92 | * Contains the {@link android.app.SearchManager#QUERY} extra, which is a string |
| 93 | * that can contain any type of unstructured music search, like the name of an artist, |
| 94 | * an album, a song, a genre, or any combination of these. |
| 95 | * <p> |
| 96 | * Because this intent includes an open-ended unstructured search string, it makes the most |
| 97 | * sense for apps that can support large-scale search of music, such as services connected |
| 98 | * to an online database of music which can be streamed and played on the device. |
| 99 | */ |
| 100 | public static final String INTENT_ACTION_MEDIA_PLAY_FROM_SEARCH = |
| 101 | "android.media.action.MEDIA_PLAY_FROM_SEARCH"; |
| 102 | |
| 103 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 104 | * The name of the Intent-extra used to define the artist |
| 105 | */ |
| 106 | public static final String EXTRA_MEDIA_ARTIST = "android.intent.extra.artist"; |
| 107 | /** |
| 108 | * The name of the Intent-extra used to define the album |
| 109 | */ |
| 110 | public static final String EXTRA_MEDIA_ALBUM = "android.intent.extra.album"; |
| 111 | /** |
| 112 | * The name of the Intent-extra used to define the song title |
| 113 | */ |
| 114 | public static final String EXTRA_MEDIA_TITLE = "android.intent.extra.title"; |
| 115 | /** |
| 116 | * The name of the Intent-extra used to define the search focus. The search focus |
| 117 | * indicates whether the search should be for things related to the artist, album |
| 118 | * or song that is identified by the other extras. |
| 119 | */ |
| 120 | public static final String EXTRA_MEDIA_FOCUS = "android.intent.extra.focus"; |
| 121 | |
| 122 | /** |
| 123 | * The name of the Intent-extra used to control the orientation of a ViewImage or a MovieView. |
| 124 | * This is an int property that overrides the activity's requestedOrientation. |
| 125 | * @see android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED |
| 126 | */ |
| 127 | public static final String EXTRA_SCREEN_ORIENTATION = "android.intent.extra.screenOrientation"; |
| 128 | |
| 129 | /** |
| 130 | * The name of an Intent-extra used to control the UI of a ViewImage. |
| 131 | * This is a boolean property that overrides the activity's default fullscreen state. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 132 | */ |
| 133 | public static final String EXTRA_FULL_SCREEN = "android.intent.extra.fullScreen"; |
| 134 | |
| 135 | /** |
| 136 | * The name of an Intent-extra used to control the UI of a ViewImage. |
| 137 | * This is a boolean property that specifies whether or not to show action icons. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 138 | */ |
| 139 | public static final String EXTRA_SHOW_ACTION_ICONS = "android.intent.extra.showActionIcons"; |
| 140 | |
| 141 | /** |
| 142 | * The name of the Intent-extra used to control the onCompletion behavior of a MovieView. |
| 143 | * This is a boolean property that specifies whether or not to finish the MovieView activity |
| 144 | * when the movie completes playing. The default value is true, which means to automatically |
| 145 | * exit the movie player activity when the movie completes playing. |
| 146 | */ |
| 147 | public static final String EXTRA_FINISH_ON_COMPLETION = "android.intent.extra.finishOnCompletion"; |
| 148 | |
| 149 | /** |
| 150 | * The name of the Intent action used to launch a camera in still image mode. |
| 151 | */ |
| 152 | public static final String INTENT_ACTION_STILL_IMAGE_CAMERA = "android.media.action.STILL_IMAGE_CAMERA"; |
| 153 | |
| 154 | /** |
| 155 | * The name of the Intent action used to launch a camera in video mode. |
| 156 | */ |
| 157 | public static final String INTENT_ACTION_VIDEO_CAMERA = "android.media.action.VIDEO_CAMERA"; |
| 158 | |
| 159 | /** |
| 160 | * Standard Intent action that can be sent to have the camera application |
| 161 | * capture an image and return it. |
| 162 | * <p> |
| 163 | * The caller may pass an extra EXTRA_OUTPUT to control where this image will be written. |
| 164 | * If the EXTRA_OUTPUT is not present, then a small sized image is returned as a Bitmap |
| 165 | * object in the extra field. This is useful for applications that only need a small image. |
| 166 | * If the EXTRA_OUTPUT is present, then the full-sized image will be written to the Uri |
| 167 | * value of EXTRA_OUTPUT. |
| 168 | * @see #EXTRA_OUTPUT |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 169 | */ |
| 170 | public final static String ACTION_IMAGE_CAPTURE = "android.media.action.IMAGE_CAPTURE"; |
| 171 | |
| 172 | /** |
| 173 | * Standard Intent action that can be sent to have the camera application |
| 174 | * capture an video and return it. |
| 175 | * <p> |
| 176 | * The caller may pass in an extra EXTRA_VIDEO_QUALITY to control the video quality. |
| 177 | * <p> |
| 178 | * The caller may pass in an extra EXTRA_OUTPUT to control |
| 179 | * where the video is written. If EXTRA_OUTPUT is not present the video will be |
| 180 | * written to the standard location for videos, and the Uri of that location will be |
| 181 | * returned in the data field of the Uri. |
| 182 | * @see #EXTRA_OUTPUT |
Wu-cheng Li | e7bc746 | 2011-03-16 17:18:58 +0800 | [diff] [blame] | 183 | * @see #EXTRA_VIDEO_QUALITY |
| 184 | * @see #EXTRA_SIZE_LIMIT |
| 185 | * @see #EXTRA_DURATION_LIMIT |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 186 | */ |
| 187 | public final static String ACTION_VIDEO_CAPTURE = "android.media.action.VIDEO_CAPTURE"; |
| 188 | |
| 189 | /** |
| 190 | * The name of the Intent-extra used to control the quality of a recorded video. This is an |
| 191 | * integer property. Currently value 0 means low quality, suitable for MMS messages, and |
| 192 | * value 1 means high quality. In the future other quality levels may be added. |
| 193 | */ |
| 194 | public final static String EXTRA_VIDEO_QUALITY = "android.intent.extra.videoQuality"; |
| 195 | |
| 196 | /** |
| 197 | * Specify the maximum allowed size. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 198 | */ |
| 199 | public final static String EXTRA_SIZE_LIMIT = "android.intent.extra.sizeLimit"; |
| 200 | |
| 201 | /** |
Chih-Chung Chang | eb0098d | 2009-08-25 12:59:54 +0800 | [diff] [blame] | 202 | * Specify the maximum allowed recording duration in seconds. |
Chih-Chung Chang | eb0098d | 2009-08-25 12:59:54 +0800 | [diff] [blame] | 203 | */ |
| 204 | public final static String EXTRA_DURATION_LIMIT = "android.intent.extra.durationLimit"; |
| 205 | |
| 206 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 207 | * The name of the Intent-extra used to indicate a content resolver Uri to be used to |
| 208 | * store the requested image or video. |
| 209 | */ |
| 210 | public final static String EXTRA_OUTPUT = "output"; |
| 211 | |
| 212 | /** |
Marco Nelissen | ed297a8 | 2010-01-04 13:24:31 -0800 | [diff] [blame] | 213 | * The string that is used when a media attribute is not known. For example, |
| 214 | * if an audio file does not have any meta data, the artist and album columns |
| 215 | * will be set to this value. |
Marco Nelissen | ed297a8 | 2010-01-04 13:24:31 -0800 | [diff] [blame] | 216 | */ |
| 217 | public static final String UNKNOWN_STRING = "<unknown>"; |
| 218 | |
| 219 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 220 | * Common fields for most MediaProvider tables |
| 221 | */ |
| 222 | |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 223 | public interface MediaColumns extends BaseColumns { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 224 | /** |
| 225 | * The data stream for the file |
| 226 | * <P>Type: DATA STREAM</P> |
| 227 | */ |
| 228 | public static final String DATA = "_data"; |
| 229 | |
| 230 | /** |
| 231 | * The size of the file in bytes |
| 232 | * <P>Type: INTEGER (long)</P> |
| 233 | */ |
| 234 | public static final String SIZE = "_size"; |
| 235 | |
| 236 | /** |
| 237 | * The display name of the file |
| 238 | * <P>Type: TEXT</P> |
| 239 | */ |
| 240 | public static final String DISPLAY_NAME = "_display_name"; |
| 241 | |
| 242 | /** |
| 243 | * The title of the content |
| 244 | * <P>Type: TEXT</P> |
| 245 | */ |
| 246 | public static final String TITLE = "title"; |
| 247 | |
| 248 | /** |
| 249 | * The time the file was added to the media provider |
| 250 | * Units are seconds since 1970. |
| 251 | * <P>Type: INTEGER (long)</P> |
| 252 | */ |
| 253 | public static final String DATE_ADDED = "date_added"; |
| 254 | |
| 255 | /** |
| 256 | * The time the file was last modified |
| 257 | * Units are seconds since 1970. |
| 258 | * NOTE: This is for internal use by the media scanner. Do not modify this field. |
| 259 | * <P>Type: INTEGER (long)</P> |
| 260 | */ |
| 261 | public static final String DATE_MODIFIED = "date_modified"; |
| 262 | |
| 263 | /** |
| 264 | * The MIME type of the file |
| 265 | * <P>Type: TEXT</P> |
| 266 | */ |
| 267 | public static final String MIME_TYPE = "mime_type"; |
Mike Lockwood | d815f79 | 2010-07-12 08:49:01 -0400 | [diff] [blame] | 268 | |
| 269 | /** |
Mike Lockwood | cbaea35 | 2010-07-17 08:34:17 -0400 | [diff] [blame] | 270 | * The MTP object handle of a newly transfered file. |
| 271 | * Used to pass the new file's object handle through the media scanner |
| 272 | * from MTP to the media provider |
| 273 | * For internal use only by MTP, media scanner and media provider. |
| 274 | * <P>Type: INTEGER</P> |
| 275 | * @hide |
| 276 | */ |
| 277 | public static final String MEDIA_SCANNER_NEW_OBJECT_ID = "media_scanner_new_object_id"; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 278 | } |
| 279 | |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 280 | /** |
Mike Lockwood | 0b20b77 | 2010-11-04 13:16:48 -0400 | [diff] [blame] | 281 | * Media provider table containing an index of all files in the media storage, |
| 282 | * including non-media files. This should be used by applications that work with |
| 283 | * non-media file types (text, HTML, PDF, etc) as well as applications that need to |
| 284 | * work with multiple media file types in a single query. |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 285 | */ |
Mike Lockwood | 3b2a62e | 2010-09-08 12:47:57 -0400 | [diff] [blame] | 286 | public static final class Files { |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 287 | |
Mike Lockwood | 0b20b77 | 2010-11-04 13:16:48 -0400 | [diff] [blame] | 288 | /** |
| 289 | * Get the content:// style URI for the files table on the |
| 290 | * given volume. |
| 291 | * |
| 292 | * @param volumeName the name of the volume to get the URI for |
| 293 | * @return the URI to the files table on the given volume |
| 294 | */ |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 295 | public static Uri getContentUri(String volumeName) { |
| 296 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName + |
Mike Lockwood | 3b2a62e | 2010-09-08 12:47:57 -0400 | [diff] [blame] | 297 | "/file"); |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 298 | } |
| 299 | |
Mike Lockwood | 0b20b77 | 2010-11-04 13:16:48 -0400 | [diff] [blame] | 300 | /** |
| 301 | * Get the content:// style URI for a single row in the files table on the |
| 302 | * given volume. |
| 303 | * |
| 304 | * @param volumeName the name of the volume to get the URI for |
| 305 | * @param rowId the file to get the URI for |
| 306 | * @return the URI to the files table on the given volume |
| 307 | */ |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 308 | public static final Uri getContentUri(String volumeName, |
Mike Lockwood | 0b20b77 | 2010-11-04 13:16:48 -0400 | [diff] [blame] | 309 | long rowId) { |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 310 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName |
Mike Lockwood | 0b20b77 | 2010-11-04 13:16:48 -0400 | [diff] [blame] | 311 | + "/file/" + rowId); |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 312 | } |
| 313 | |
Mike Lockwood | 0b20b77 | 2010-11-04 13:16:48 -0400 | [diff] [blame] | 314 | /** |
| 315 | * For use only by the MTP implementation. |
| 316 | * @hide |
| 317 | */ |
Mike Lockwood | 8490e66 | 2010-09-09 14:16:22 -0400 | [diff] [blame] | 318 | public static Uri getMtpObjectsUri(String volumeName) { |
| 319 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName + |
| 320 | "/object"); |
| 321 | } |
| 322 | |
Mike Lockwood | 0b20b77 | 2010-11-04 13:16:48 -0400 | [diff] [blame] | 323 | /** |
| 324 | * For use only by the MTP implementation. |
| 325 | * @hide |
| 326 | */ |
Mike Lockwood | 8490e66 | 2010-09-09 14:16:22 -0400 | [diff] [blame] | 327 | public static final Uri getMtpObjectsUri(String volumeName, |
Mike Lockwood | 3b2a62e | 2010-09-08 12:47:57 -0400 | [diff] [blame] | 328 | long fileId) { |
Mike Lockwood | 9a2046f | 2010-08-03 15:30:09 -0400 | [diff] [blame] | 329 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName |
Mike Lockwood | 8490e66 | 2010-09-09 14:16:22 -0400 | [diff] [blame] | 330 | + "/object/" + fileId); |
| 331 | } |
| 332 | |
Mike Lockwood | 0b20b77 | 2010-11-04 13:16:48 -0400 | [diff] [blame] | 333 | /** |
| 334 | * Used to implement the MTP GetObjectReferences and SetObjectReferences commands. |
| 335 | * @hide |
| 336 | */ |
Mike Lockwood | 8490e66 | 2010-09-09 14:16:22 -0400 | [diff] [blame] | 337 | public static final Uri getMtpReferencesUri(String volumeName, |
| 338 | long fileId) { |
| 339 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName |
| 340 | + "/object/" + fileId + "/references"); |
Mike Lockwood | 9a2046f | 2010-08-03 15:30:09 -0400 | [diff] [blame] | 341 | } |
| 342 | |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 343 | /** |
| 344 | * Fields for master table for all media files. |
| 345 | * Table also contains MediaColumns._ID, DATA, SIZE and DATE_MODIFIED. |
| 346 | */ |
Mike Lockwood | 3b2a62e | 2010-09-08 12:47:57 -0400 | [diff] [blame] | 347 | public interface FileColumns extends MediaColumns { |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 348 | /** |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 349 | * The MTP storage ID of the file |
| 350 | * <P>Type: INTEGER</P> |
| 351 | * @hide |
| 352 | */ |
| 353 | public static final String STORAGE_ID = "storage_id"; |
| 354 | |
| 355 | /** |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 356 | * The MTP format code of the file |
| 357 | * <P>Type: INTEGER</P> |
Mike Lockwood | 0b20b77 | 2010-11-04 13:16:48 -0400 | [diff] [blame] | 358 | * @hide |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 359 | */ |
| 360 | public static final String FORMAT = "format"; |
| 361 | |
| 362 | /** |
| 363 | * The index of the parent directory of the file |
| 364 | * <P>Type: INTEGER</P> |
| 365 | */ |
| 366 | public static final String PARENT = "parent"; |
Mike Lockwood | fed1617 | 2010-07-09 10:46:02 -0400 | [diff] [blame] | 367 | |
| 368 | /** |
Mike Lockwood | c2206a0 | 2010-09-16 06:21:24 -0400 | [diff] [blame] | 369 | * The MIME type of the file |
| 370 | * <P>Type: TEXT</P> |
Mike Lockwood | fed1617 | 2010-07-09 10:46:02 -0400 | [diff] [blame] | 371 | */ |
Mike Lockwood | c2206a0 | 2010-09-16 06:21:24 -0400 | [diff] [blame] | 372 | public static final String MIME_TYPE = "mime_type"; |
Mike Lockwood | fed1617 | 2010-07-09 10:46:02 -0400 | [diff] [blame] | 373 | |
| 374 | /** |
Mike Lockwood | c2206a0 | 2010-09-16 06:21:24 -0400 | [diff] [blame] | 375 | * The title of the content |
| 376 | * <P>Type: TEXT</P> |
Mike Lockwood | fed1617 | 2010-07-09 10:46:02 -0400 | [diff] [blame] | 377 | */ |
Mike Lockwood | c2206a0 | 2010-09-16 06:21:24 -0400 | [diff] [blame] | 378 | public static final String TITLE = "title"; |
| 379 | |
| 380 | /** |
| 381 | * The media type (audio, video, image or playlist) |
| 382 | * of the file, or 0 for not a media file |
| 383 | * <P>Type: TEXT</P> |
| 384 | */ |
| 385 | public static final String MEDIA_TYPE = "media_type"; |
| 386 | |
| 387 | /** |
Mike Lockwood | ed723b4 | 2011-01-26 15:57:07 -0800 | [diff] [blame] | 388 | * Constant for the {@link #MEDIA_TYPE} column indicating that file |
| 389 | * is not an audio, image, video or playlist file. |
Mike Lockwood | c2206a0 | 2010-09-16 06:21:24 -0400 | [diff] [blame] | 390 | */ |
| 391 | public static final int MEDIA_TYPE_NONE = 0; |
Mike Lockwood | ed723b4 | 2011-01-26 15:57:07 -0800 | [diff] [blame] | 392 | |
| 393 | /** |
| 394 | * Constant for the {@link #MEDIA_TYPE} column indicating that file is an image file. |
| 395 | */ |
Mike Lockwood | c2206a0 | 2010-09-16 06:21:24 -0400 | [diff] [blame] | 396 | public static final int MEDIA_TYPE_IMAGE = 1; |
Mike Lockwood | ed723b4 | 2011-01-26 15:57:07 -0800 | [diff] [blame] | 397 | |
| 398 | /** |
| 399 | * Constant for the {@link #MEDIA_TYPE} column indicating that file is an audio file. |
| 400 | */ |
Mike Lockwood | c2206a0 | 2010-09-16 06:21:24 -0400 | [diff] [blame] | 401 | public static final int MEDIA_TYPE_AUDIO = 2; |
Mike Lockwood | ed723b4 | 2011-01-26 15:57:07 -0800 | [diff] [blame] | 402 | |
| 403 | /** |
| 404 | * Constant for the {@link #MEDIA_TYPE} column indicating that file is an video file. |
| 405 | */ |
Mike Lockwood | c2206a0 | 2010-09-16 06:21:24 -0400 | [diff] [blame] | 406 | public static final int MEDIA_TYPE_VIDEO = 3; |
Mike Lockwood | ed723b4 | 2011-01-26 15:57:07 -0800 | [diff] [blame] | 407 | |
| 408 | /** |
| 409 | * Constant for the {@link #MEDIA_TYPE} column indicating that file is an playlist file. |
| 410 | */ |
Mike Lockwood | c2206a0 | 2010-09-16 06:21:24 -0400 | [diff] [blame] | 411 | public static final int MEDIA_TYPE_PLAYLIST = 4; |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 412 | } |
| 413 | } |
| 414 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 415 | /** |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 416 | * This class is used internally by Images.Thumbnails and Video.Thumbnails, it's not intended |
| 417 | * to be accessed elsewhere. |
| 418 | */ |
| 419 | private static class InternalThumbnails implements BaseColumns { |
| 420 | private static final int MINI_KIND = 1; |
| 421 | private static final int FULL_SCREEN_KIND = 2; |
| 422 | private static final int MICRO_KIND = 3; |
| 423 | private static final String[] PROJECTION = new String[] {_ID, MediaColumns.DATA}; |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 424 | static final int DEFAULT_GROUP_ID = 0; |
Chih-Chung Chang | 2ca3619 | 2010-08-24 19:25:56 +0800 | [diff] [blame] | 425 | private static final Object sThumbBufLock = new Object(); |
| 426 | private static byte[] sThumbBuf; |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 427 | |
Ray Chen | f9a243d | 2009-10-29 18:15:29 -0700 | [diff] [blame] | 428 | private static Bitmap getMiniThumbFromFile(Cursor c, Uri baseUri, ContentResolver cr, BitmapFactory.Options options) { |
| 429 | Bitmap bitmap = null; |
| 430 | Uri thumbUri = null; |
| 431 | try { |
| 432 | long thumbId = c.getLong(0); |
| 433 | String filePath = c.getString(1); |
| 434 | thumbUri = ContentUris.withAppendedId(baseUri, thumbId); |
| 435 | ParcelFileDescriptor pfdInput = cr.openFileDescriptor(thumbUri, "r"); |
| 436 | bitmap = BitmapFactory.decodeFileDescriptor( |
| 437 | pfdInput.getFileDescriptor(), null, options); |
| 438 | pfdInput.close(); |
| 439 | } catch (FileNotFoundException ex) { |
| 440 | Log.e(TAG, "couldn't open thumbnail " + thumbUri + "; " + ex); |
| 441 | } catch (IOException ex) { |
| 442 | Log.e(TAG, "couldn't open thumbnail " + thumbUri + "; " + ex); |
| 443 | } catch (OutOfMemoryError ex) { |
| 444 | Log.e(TAG, "failed to allocate memory for thumbnail " |
| 445 | + thumbUri + "; " + ex); |
| 446 | } |
| 447 | return bitmap; |
| 448 | } |
| 449 | |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 450 | /** |
Ray Chen | b994419 | 2009-09-29 20:24:01 -0700 | [diff] [blame] | 451 | * This method cancels the thumbnail request so clients waiting for getThumbnail will be |
| 452 | * interrupted and return immediately. Only the original process which made the getThumbnail |
| 453 | * requests can cancel their own requests. |
| 454 | * |
| 455 | * @param cr ContentResolver |
Ray Chen | ef093cd | 2009-09-29 19:38:58 -0700 | [diff] [blame] | 456 | * @param origId original image or video id. use -1 to cancel all requests. |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 457 | * @param groupId the same groupId used in getThumbnail |
Ray Chen | b994419 | 2009-09-29 20:24:01 -0700 | [diff] [blame] | 458 | * @param baseUri the base URI of requested thumbnails |
| 459 | */ |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 460 | static void cancelThumbnailRequest(ContentResolver cr, long origId, Uri baseUri, |
| 461 | long groupId) { |
Ray Chen | b994419 | 2009-09-29 20:24:01 -0700 | [diff] [blame] | 462 | Uri cancelUri = baseUri.buildUpon().appendQueryParameter("cancel", "1") |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 463 | .appendQueryParameter("orig_id", String.valueOf(origId)) |
| 464 | .appendQueryParameter("group_id", String.valueOf(groupId)).build(); |
Ray Chen | b994419 | 2009-09-29 20:24:01 -0700 | [diff] [blame] | 465 | Cursor c = null; |
| 466 | try { |
| 467 | c = cr.query(cancelUri, PROJECTION, null, null, null); |
| 468 | } |
| 469 | finally { |
| 470 | if (c != null) c.close(); |
| 471 | } |
| 472 | } |
| 473 | /** |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 474 | * This method ensure thumbnails associated with origId are generated and decode the byte |
| 475 | * stream from database (MICRO_KIND) or file (MINI_KIND). |
| 476 | * |
| 477 | * Special optimization has been done to avoid further IPC communication for MICRO_KIND |
| 478 | * thumbnails. |
| 479 | * |
| 480 | * @param cr ContentResolver |
| 481 | * @param origId original image or video id |
| 482 | * @param kind could be MINI_KIND or MICRO_KIND |
| 483 | * @param options this is only used for MINI_KIND when decoding the Bitmap |
| 484 | * @param baseUri the base URI of requested thumbnails |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 485 | * @param groupId the id of group to which this request belongs |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 486 | * @return Bitmap bitmap of specified thumbnail kind |
| 487 | */ |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 488 | static Bitmap getThumbnail(ContentResolver cr, long origId, long groupId, int kind, |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 489 | BitmapFactory.Options options, Uri baseUri, boolean isVideo) { |
| 490 | Bitmap bitmap = null; |
| 491 | String filePath = null; |
Ray Chen | b994419 | 2009-09-29 20:24:01 -0700 | [diff] [blame] | 492 | // Log.v(TAG, "getThumbnail: origId="+origId+", kind="+kind+", isVideo="+isVideo); |
Ray Chen | f9a243d | 2009-10-29 18:15:29 -0700 | [diff] [blame] | 493 | // If the magic is non-zero, we simply return thumbnail if it does exist. |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 494 | // querying MediaProvider and simply return thumbnail. |
Ray Chen | 1ba38b6 | 2010-05-14 13:50:04 -0700 | [diff] [blame] | 495 | MiniThumbFile thumbFile = new MiniThumbFile(isVideo ? Video.Media.EXTERNAL_CONTENT_URI |
| 496 | : Images.Media.EXTERNAL_CONTENT_URI); |
| 497 | Cursor c = null; |
| 498 | try { |
| 499 | long magic = thumbFile.getMagic(origId); |
| 500 | if (magic != 0) { |
| 501 | if (kind == MICRO_KIND) { |
Chih-Chung Chang | 9439241 | 2010-08-25 15:54:51 +0800 | [diff] [blame] | 502 | synchronized (sThumbBufLock) { |
| 503 | if (sThumbBuf == null) { |
| 504 | sThumbBuf = new byte[MiniThumbFile.BYTES_PER_MINTHUMB]; |
| 505 | } |
| 506 | if (thumbFile.getMiniThumbFromFile(origId, sThumbBuf) != null) { |
| 507 | bitmap = BitmapFactory.decodeByteArray(sThumbBuf, 0, sThumbBuf.length); |
| 508 | if (bitmap == null) { |
| 509 | Log.w(TAG, "couldn't decode byte array."); |
| 510 | } |
Ray Chen | 1ba38b6 | 2010-05-14 13:50:04 -0700 | [diff] [blame] | 511 | } |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 512 | } |
Ray Chen | 1ba38b6 | 2010-05-14 13:50:04 -0700 | [diff] [blame] | 513 | return bitmap; |
| 514 | } else if (kind == MINI_KIND) { |
| 515 | String column = isVideo ? "video_id=" : "image_id="; |
Ray Chen | f9a243d | 2009-10-29 18:15:29 -0700 | [diff] [blame] | 516 | c = cr.query(baseUri, PROJECTION, column + origId, null, null); |
| 517 | if (c != null && c.moveToFirst()) { |
| 518 | bitmap = getMiniThumbFromFile(c, baseUri, cr, options); |
| 519 | if (bitmap != null) { |
| 520 | return bitmap; |
| 521 | } |
| 522 | } |
Ray Chen | f9a243d | 2009-10-29 18:15:29 -0700 | [diff] [blame] | 523 | } |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 524 | } |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 525 | |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 526 | Uri blockingUri = baseUri.buildUpon().appendQueryParameter("blocking", "1") |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 527 | .appendQueryParameter("orig_id", String.valueOf(origId)) |
| 528 | .appendQueryParameter("group_id", String.valueOf(groupId)).build(); |
Ray Chen | 1ba38b6 | 2010-05-14 13:50:04 -0700 | [diff] [blame] | 529 | if (c != null) c.close(); |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 530 | c = cr.query(blockingUri, PROJECTION, null, null, null); |
| 531 | // This happens when original image/video doesn't exist. |
| 532 | if (c == null) return null; |
| 533 | |
| 534 | // Assuming thumbnail has been generated, at least original image exists. |
| 535 | if (kind == MICRO_KIND) { |
Chih-Chung Chang | 2ca3619 | 2010-08-24 19:25:56 +0800 | [diff] [blame] | 536 | synchronized (sThumbBufLock) { |
| 537 | if (sThumbBuf == null) { |
| 538 | sThumbBuf = new byte[MiniThumbFile.BYTES_PER_MINTHUMB]; |
| 539 | } |
| 540 | if (thumbFile.getMiniThumbFromFile(origId, sThumbBuf) != null) { |
| 541 | bitmap = BitmapFactory.decodeByteArray(sThumbBuf, 0, sThumbBuf.length); |
| 542 | if (bitmap == null) { |
| 543 | Log.w(TAG, "couldn't decode byte array."); |
| 544 | } |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 545 | } |
| 546 | } |
| 547 | } else if (kind == MINI_KIND) { |
| 548 | if (c.moveToFirst()) { |
Ray Chen | f9a243d | 2009-10-29 18:15:29 -0700 | [diff] [blame] | 549 | bitmap = getMiniThumbFromFile(c, baseUri, cr, options); |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 550 | } |
| 551 | } else { |
| 552 | throw new IllegalArgumentException("Unsupported kind: " + kind); |
| 553 | } |
| 554 | |
| 555 | // We probably run out of space, so create the thumbnail in memory. |
| 556 | if (bitmap == null) { |
Ray Chen | 44dcf65 | 2010-04-05 11:26:40 -0700 | [diff] [blame] | 557 | Log.v(TAG, "Create the thumbnail in memory: origId=" + origId |
| 558 | + ", kind=" + kind + ", isVideo="+isVideo); |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 559 | Uri uri = Uri.parse( |
| 560 | baseUri.buildUpon().appendPath(String.valueOf(origId)) |
| 561 | .toString().replaceFirst("thumbnails", "media")); |
Ray Chen | ef093cd | 2009-09-29 19:38:58 -0700 | [diff] [blame] | 562 | if (filePath == null) { |
Marco Nelissen | 9b150b7 | 2009-09-30 16:39:15 -0700 | [diff] [blame] | 563 | if (c != null) c.close(); |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 564 | c = cr.query(uri, PROJECTION, null, null, null); |
Ray Chen | ef093cd | 2009-09-29 19:38:58 -0700 | [diff] [blame] | 565 | if (c == null || !c.moveToFirst()) { |
| 566 | return null; |
| 567 | } |
| 568 | filePath = c.getString(1); |
| 569 | } |
| 570 | if (isVideo) { |
Ray Chen | 44dcf65 | 2010-04-05 11:26:40 -0700 | [diff] [blame] | 571 | bitmap = ThumbnailUtils.createVideoThumbnail(filePath, kind); |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 572 | } else { |
Ray Chen | 44dcf65 | 2010-04-05 11:26:40 -0700 | [diff] [blame] | 573 | bitmap = ThumbnailUtils.createImageThumbnail(filePath, kind); |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 574 | } |
| 575 | } |
| 576 | } catch (SQLiteException ex) { |
| 577 | Log.w(TAG, ex); |
| 578 | } finally { |
| 579 | if (c != null) c.close(); |
Ray Chen | 1ba38b6 | 2010-05-14 13:50:04 -0700 | [diff] [blame] | 580 | // To avoid file descriptor leak in application process. |
| 581 | thumbFile.deactivate(); |
| 582 | thumbFile = null; |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 583 | } |
| 584 | return bitmap; |
| 585 | } |
| 586 | } |
| 587 | |
| 588 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 589 | * Contains meta data for all available images. |
| 590 | */ |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 591 | public static final class Images { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 592 | public interface ImageColumns extends MediaColumns { |
| 593 | /** |
| 594 | * The description of the image |
| 595 | * <P>Type: TEXT</P> |
| 596 | */ |
| 597 | public static final String DESCRIPTION = "description"; |
| 598 | |
| 599 | /** |
| 600 | * The picasa id of the image |
| 601 | * <P>Type: TEXT</P> |
| 602 | */ |
| 603 | public static final String PICASA_ID = "picasa_id"; |
| 604 | |
| 605 | /** |
| 606 | * Whether the video should be published as public or private |
| 607 | * <P>Type: INTEGER</P> |
| 608 | */ |
| 609 | public static final String IS_PRIVATE = "isprivate"; |
| 610 | |
| 611 | /** |
| 612 | * The latitude where the image was captured. |
| 613 | * <P>Type: DOUBLE</P> |
| 614 | */ |
| 615 | public static final String LATITUDE = "latitude"; |
| 616 | |
| 617 | /** |
| 618 | * The longitude where the image was captured. |
| 619 | * <P>Type: DOUBLE</P> |
| 620 | */ |
| 621 | public static final String LONGITUDE = "longitude"; |
| 622 | |
| 623 | /** |
| 624 | * The date & time that the image was taken in units |
| 625 | * of milliseconds since jan 1, 1970. |
| 626 | * <P>Type: INTEGER</P> |
| 627 | */ |
| 628 | public static final String DATE_TAKEN = "datetaken"; |
| 629 | |
| 630 | /** |
| 631 | * The orientation for the image expressed as degrees. |
| 632 | * Only degrees 0, 90, 180, 270 will work. |
| 633 | * <P>Type: INTEGER</P> |
| 634 | */ |
| 635 | public static final String ORIENTATION = "orientation"; |
| 636 | |
| 637 | /** |
| 638 | * The mini thumb id. |
| 639 | * <P>Type: INTEGER</P> |
| 640 | */ |
| 641 | public static final String MINI_THUMB_MAGIC = "mini_thumb_magic"; |
| 642 | |
| 643 | /** |
| 644 | * The bucket id of the image. This is a read-only property that |
| 645 | * is automatically computed from the DATA column. |
| 646 | * <P>Type: TEXT</P> |
| 647 | */ |
| 648 | public static final String BUCKET_ID = "bucket_id"; |
| 649 | |
| 650 | /** |
| 651 | * The bucket display name of the image. This is a read-only property that |
| 652 | * is automatically computed from the DATA column. |
| 653 | * <P>Type: TEXT</P> |
| 654 | */ |
| 655 | public static final String BUCKET_DISPLAY_NAME = "bucket_display_name"; |
| 656 | } |
| 657 | |
| 658 | public static final class Media implements ImageColumns { |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 659 | public static final Cursor query(ContentResolver cr, Uri uri, String[] projection) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 660 | return cr.query(uri, projection, null, null, DEFAULT_SORT_ORDER); |
| 661 | } |
| 662 | |
| 663 | public static final Cursor query(ContentResolver cr, Uri uri, String[] projection, |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 664 | String where, String orderBy) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 665 | return cr.query(uri, projection, where, |
| 666 | null, orderBy == null ? DEFAULT_SORT_ORDER : orderBy); |
| 667 | } |
| 668 | |
| 669 | public static final Cursor query(ContentResolver cr, Uri uri, String[] projection, |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 670 | String selection, String [] selectionArgs, String orderBy) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 671 | return cr.query(uri, projection, selection, |
| 672 | selectionArgs, orderBy == null ? DEFAULT_SORT_ORDER : orderBy); |
| 673 | } |
| 674 | |
| 675 | /** |
| 676 | * Retrieves an image for the given url as a {@link Bitmap}. |
| 677 | * |
| 678 | * @param cr The content resolver to use |
| 679 | * @param url The url of the image |
| 680 | * @throws FileNotFoundException |
| 681 | * @throws IOException |
| 682 | */ |
| 683 | public static final Bitmap getBitmap(ContentResolver cr, Uri url) |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 684 | throws FileNotFoundException, IOException { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 685 | InputStream input = cr.openInputStream(url); |
| 686 | Bitmap bitmap = BitmapFactory.decodeStream(input); |
| 687 | input.close(); |
| 688 | return bitmap; |
| 689 | } |
| 690 | |
| 691 | /** |
| 692 | * Insert an image and create a thumbnail for it. |
| 693 | * |
| 694 | * @param cr The content resolver to use |
| 695 | * @param imagePath The path to the image to insert |
| 696 | * @param name The name of the image |
| 697 | * @param description The description of the image |
| 698 | * @return The URL to the newly created image |
| 699 | * @throws FileNotFoundException |
| 700 | */ |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 701 | public static final String insertImage(ContentResolver cr, String imagePath, |
| 702 | String name, String description) throws FileNotFoundException { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 703 | // Check if file exists with a FileInputStream |
| 704 | FileInputStream stream = new FileInputStream(imagePath); |
| 705 | try { |
Marco Nelissen | 2f189fa | 2009-06-30 10:32:00 -0700 | [diff] [blame] | 706 | Bitmap bm = BitmapFactory.decodeFile(imagePath); |
| 707 | String ret = insertImage(cr, bm, name, description); |
| 708 | bm.recycle(); |
| 709 | return ret; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 710 | } finally { |
| 711 | try { |
| 712 | stream.close(); |
| 713 | } catch (IOException e) { |
| 714 | } |
| 715 | } |
| 716 | } |
| 717 | |
| 718 | private static final Bitmap StoreThumbnail( |
| 719 | ContentResolver cr, |
| 720 | Bitmap source, |
| 721 | long id, |
| 722 | float width, float height, |
| 723 | int kind) { |
| 724 | // create the matrix to scale it |
| 725 | Matrix matrix = new Matrix(); |
| 726 | |
| 727 | float scaleX = width / source.getWidth(); |
| 728 | float scaleY = height / source.getHeight(); |
| 729 | |
| 730 | matrix.setScale(scaleX, scaleY); |
| 731 | |
| 732 | Bitmap thumb = Bitmap.createBitmap(source, 0, 0, |
| 733 | source.getWidth(), |
| 734 | source.getHeight(), matrix, |
| 735 | true); |
| 736 | |
| 737 | ContentValues values = new ContentValues(4); |
| 738 | values.put(Images.Thumbnails.KIND, kind); |
| 739 | values.put(Images.Thumbnails.IMAGE_ID, (int)id); |
| 740 | values.put(Images.Thumbnails.HEIGHT, thumb.getHeight()); |
| 741 | values.put(Images.Thumbnails.WIDTH, thumb.getWidth()); |
| 742 | |
| 743 | Uri url = cr.insert(Images.Thumbnails.EXTERNAL_CONTENT_URI, values); |
| 744 | |
| 745 | try { |
| 746 | OutputStream thumbOut = cr.openOutputStream(url); |
| 747 | |
| 748 | thumb.compress(Bitmap.CompressFormat.JPEG, 100, thumbOut); |
| 749 | thumbOut.close(); |
| 750 | return thumb; |
| 751 | } |
| 752 | catch (FileNotFoundException ex) { |
| 753 | return null; |
| 754 | } |
| 755 | catch (IOException ex) { |
| 756 | return null; |
| 757 | } |
| 758 | } |
| 759 | |
| 760 | /** |
| 761 | * Insert an image and create a thumbnail for it. |
| 762 | * |
| 763 | * @param cr The content resolver to use |
| 764 | * @param source The stream to use for the image |
| 765 | * @param title The name of the image |
| 766 | * @param description The description of the image |
| 767 | * @return The URL to the newly created image, or <code>null</code> if the image failed to be stored |
| 768 | * for any reason. |
| 769 | */ |
| 770 | public static final String insertImage(ContentResolver cr, Bitmap source, |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 771 | String title, String description) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 772 | ContentValues values = new ContentValues(); |
| 773 | values.put(Images.Media.TITLE, title); |
| 774 | values.put(Images.Media.DESCRIPTION, description); |
| 775 | values.put(Images.Media.MIME_TYPE, "image/jpeg"); |
| 776 | |
| 777 | Uri url = null; |
| 778 | String stringUrl = null; /* value to be returned */ |
| 779 | |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 780 | try { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 781 | url = cr.insert(EXTERNAL_CONTENT_URI, values); |
| 782 | |
| 783 | if (source != null) { |
| 784 | OutputStream imageOut = cr.openOutputStream(url); |
| 785 | try { |
| 786 | source.compress(Bitmap.CompressFormat.JPEG, 50, imageOut); |
| 787 | } finally { |
| 788 | imageOut.close(); |
| 789 | } |
| 790 | |
| 791 | long id = ContentUris.parseId(url); |
Ray Chen | 44dcf65 | 2010-04-05 11:26:40 -0700 | [diff] [blame] | 792 | // Wait until MINI_KIND thumbnail is generated. |
| 793 | Bitmap miniThumb = Images.Thumbnails.getThumbnail(cr, id, |
| 794 | Images.Thumbnails.MINI_KIND, null); |
| 795 | // This is for backward compatibility. |
| 796 | Bitmap microThumb = StoreThumbnail(cr, miniThumb, id, 50F, 50F, |
| 797 | Images.Thumbnails.MICRO_KIND); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 798 | } else { |
| 799 | Log.e(TAG, "Failed to create thumbnail, removing original"); |
| 800 | cr.delete(url, null, null); |
| 801 | url = null; |
| 802 | } |
| 803 | } catch (Exception e) { |
| 804 | Log.e(TAG, "Failed to insert image", e); |
| 805 | if (url != null) { |
| 806 | cr.delete(url, null, null); |
| 807 | url = null; |
| 808 | } |
| 809 | } |
| 810 | |
| 811 | if (url != null) { |
| 812 | stringUrl = url.toString(); |
| 813 | } |
| 814 | |
| 815 | return stringUrl; |
| 816 | } |
| 817 | |
| 818 | /** |
| 819 | * Get the content:// style URI for the image media table on the |
| 820 | * given volume. |
| 821 | * |
| 822 | * @param volumeName the name of the volume to get the URI for |
| 823 | * @return the URI to the image media table on the given volume |
| 824 | */ |
| 825 | public static Uri getContentUri(String volumeName) { |
| 826 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName + |
| 827 | "/images/media"); |
| 828 | } |
| 829 | |
| 830 | /** |
| 831 | * The content:// style URI for the internal storage. |
| 832 | */ |
| 833 | public static final Uri INTERNAL_CONTENT_URI = |
| 834 | getContentUri("internal"); |
| 835 | |
| 836 | /** |
| 837 | * The content:// style URI for the "primary" external storage |
| 838 | * volume. |
| 839 | */ |
| 840 | public static final Uri EXTERNAL_CONTENT_URI = |
| 841 | getContentUri("external"); |
| 842 | |
| 843 | /** |
| 844 | * The MIME type of of this directory of |
| 845 | * images. Note that each entry in this directory will have a standard |
| 846 | * image MIME type as appropriate -- for example, image/jpeg. |
| 847 | */ |
| 848 | public static final String CONTENT_TYPE = "vnd.android.cursor.dir/image"; |
| 849 | |
| 850 | /** |
| 851 | * The default sort order for this table |
| 852 | */ |
| 853 | public static final String DEFAULT_SORT_ORDER = ImageColumns.BUCKET_DISPLAY_NAME; |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 854 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 855 | |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 856 | /** |
| 857 | * This class allows developers to query and get two kinds of thumbnails: |
| 858 | * MINI_KIND: 512 x 384 thumbnail |
| 859 | * MICRO_KIND: 96 x 96 thumbnail |
| 860 | */ |
| 861 | public static class Thumbnails implements BaseColumns { |
| 862 | public static final Cursor query(ContentResolver cr, Uri uri, String[] projection) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 863 | return cr.query(uri, projection, null, null, DEFAULT_SORT_ORDER); |
| 864 | } |
| 865 | |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 866 | public static final Cursor queryMiniThumbnails(ContentResolver cr, Uri uri, int kind, |
| 867 | String[] projection) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 868 | return cr.query(uri, projection, "kind = " + kind, null, DEFAULT_SORT_ORDER); |
| 869 | } |
| 870 | |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 871 | public static final Cursor queryMiniThumbnail(ContentResolver cr, long origId, int kind, |
| 872 | String[] projection) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 873 | return cr.query(EXTERNAL_CONTENT_URI, projection, |
| 874 | IMAGE_ID + " = " + origId + " AND " + KIND + " = " + |
| 875 | kind, null, null); |
| 876 | } |
| 877 | |
| 878 | /** |
Ray Chen | b994419 | 2009-09-29 20:24:01 -0700 | [diff] [blame] | 879 | * This method cancels the thumbnail request so clients waiting for getThumbnail will be |
| 880 | * interrupted and return immediately. Only the original process which made the getThumbnail |
| 881 | * requests can cancel their own requests. |
| 882 | * |
| 883 | * @param cr ContentResolver |
| 884 | * @param origId original image id |
| 885 | */ |
| 886 | public static void cancelThumbnailRequest(ContentResolver cr, long origId) { |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 887 | InternalThumbnails.cancelThumbnailRequest(cr, origId, EXTERNAL_CONTENT_URI, |
| 888 | InternalThumbnails.DEFAULT_GROUP_ID); |
Ray Chen | b994419 | 2009-09-29 20:24:01 -0700 | [diff] [blame] | 889 | } |
| 890 | |
| 891 | /** |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 892 | * This method checks if the thumbnails of the specified image (origId) has been created. |
| 893 | * It will be blocked until the thumbnails are generated. |
| 894 | * |
| 895 | * @param cr ContentResolver used to dispatch queries to MediaProvider. |
| 896 | * @param origId Original image id associated with thumbnail of interest. |
| 897 | * @param kind The type of thumbnail to fetch. Should be either MINI_KIND or MICRO_KIND. |
| 898 | * @param options this is only used for MINI_KIND when decoding the Bitmap |
| 899 | * @return A Bitmap instance. It could be null if the original image |
| 900 | * associated with origId doesn't exist or memory is not enough. |
| 901 | */ |
| 902 | public static Bitmap getThumbnail(ContentResolver cr, long origId, int kind, |
| 903 | BitmapFactory.Options options) { |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 904 | return InternalThumbnails.getThumbnail(cr, origId, |
| 905 | InternalThumbnails.DEFAULT_GROUP_ID, kind, options, |
| 906 | EXTERNAL_CONTENT_URI, false); |
| 907 | } |
| 908 | |
| 909 | /** |
| 910 | * This method cancels the thumbnail request so clients waiting for getThumbnail will be |
| 911 | * interrupted and return immediately. Only the original process which made the getThumbnail |
| 912 | * requests can cancel their own requests. |
| 913 | * |
| 914 | * @param cr ContentResolver |
| 915 | * @param origId original image id |
| 916 | * @param groupId the same groupId used in getThumbnail. |
| 917 | */ |
| 918 | public static void cancelThumbnailRequest(ContentResolver cr, long origId, long groupId) { |
| 919 | InternalThumbnails.cancelThumbnailRequest(cr, origId, EXTERNAL_CONTENT_URI, groupId); |
| 920 | } |
| 921 | |
| 922 | /** |
| 923 | * This method checks if the thumbnails of the specified image (origId) has been created. |
| 924 | * It will be blocked until the thumbnails are generated. |
| 925 | * |
| 926 | * @param cr ContentResolver used to dispatch queries to MediaProvider. |
| 927 | * @param origId Original image id associated with thumbnail of interest. |
| 928 | * @param groupId the id of group to which this request belongs |
| 929 | * @param kind The type of thumbnail to fetch. Should be either MINI_KIND or MICRO_KIND. |
| 930 | * @param options this is only used for MINI_KIND when decoding the Bitmap |
| 931 | * @return A Bitmap instance. It could be null if the original image |
| 932 | * associated with origId doesn't exist or memory is not enough. |
| 933 | */ |
| 934 | public static Bitmap getThumbnail(ContentResolver cr, long origId, long groupId, |
| 935 | int kind, BitmapFactory.Options options) { |
| 936 | return InternalThumbnails.getThumbnail(cr, origId, groupId, kind, options, |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 937 | EXTERNAL_CONTENT_URI, false); |
| 938 | } |
| 939 | |
| 940 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 941 | * Get the content:// style URI for the image media table on the |
| 942 | * given volume. |
| 943 | * |
| 944 | * @param volumeName the name of the volume to get the URI for |
| 945 | * @return the URI to the image media table on the given volume |
| 946 | */ |
| 947 | public static Uri getContentUri(String volumeName) { |
| 948 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName + |
| 949 | "/images/thumbnails"); |
| 950 | } |
| 951 | |
| 952 | /** |
| 953 | * The content:// style URI for the internal storage. |
| 954 | */ |
| 955 | public static final Uri INTERNAL_CONTENT_URI = |
| 956 | getContentUri("internal"); |
| 957 | |
| 958 | /** |
| 959 | * The content:// style URI for the "primary" external storage |
| 960 | * volume. |
| 961 | */ |
| 962 | public static final Uri EXTERNAL_CONTENT_URI = |
| 963 | getContentUri("external"); |
| 964 | |
| 965 | /** |
| 966 | * The default sort order for this table |
| 967 | */ |
| 968 | public static final String DEFAULT_SORT_ORDER = "image_id ASC"; |
| 969 | |
| 970 | /** |
| 971 | * The data stream for the thumbnail |
| 972 | * <P>Type: DATA STREAM</P> |
| 973 | */ |
| 974 | public static final String DATA = "_data"; |
| 975 | |
| 976 | /** |
| 977 | * The original image for the thumbnal |
| 978 | * <P>Type: INTEGER (ID from Images table)</P> |
| 979 | */ |
| 980 | public static final String IMAGE_ID = "image_id"; |
| 981 | |
| 982 | /** |
| 983 | * The kind of the thumbnail |
| 984 | * <P>Type: INTEGER (One of the values below)</P> |
| 985 | */ |
| 986 | public static final String KIND = "kind"; |
| 987 | |
| 988 | public static final int MINI_KIND = 1; |
| 989 | public static final int FULL_SCREEN_KIND = 2; |
| 990 | public static final int MICRO_KIND = 3; |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 991 | /** |
| 992 | * The blob raw data of thumbnail |
| 993 | * <P>Type: DATA STREAM</P> |
| 994 | */ |
| 995 | public static final String THUMB_DATA = "thumb_data"; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 996 | |
| 997 | /** |
| 998 | * The width of the thumbnal |
| 999 | * <P>Type: INTEGER (long)</P> |
| 1000 | */ |
| 1001 | public static final String WIDTH = "width"; |
| 1002 | |
| 1003 | /** |
| 1004 | * The height of the thumbnail |
| 1005 | * <P>Type: INTEGER (long)</P> |
| 1006 | */ |
| 1007 | public static final String HEIGHT = "height"; |
| 1008 | } |
| 1009 | } |
| 1010 | |
| 1011 | /** |
| 1012 | * Container for all audio content. |
| 1013 | */ |
| 1014 | public static final class Audio { |
| 1015 | /** |
| 1016 | * Columns for audio file that show up in multiple tables. |
| 1017 | */ |
| 1018 | public interface AudioColumns extends MediaColumns { |
| 1019 | |
| 1020 | /** |
| 1021 | * A non human readable key calculated from the TITLE, used for |
| 1022 | * searching, sorting and grouping |
| 1023 | * <P>Type: TEXT</P> |
| 1024 | */ |
| 1025 | public static final String TITLE_KEY = "title_key"; |
| 1026 | |
| 1027 | /** |
| 1028 | * The duration of the audio file, in ms |
| 1029 | * <P>Type: INTEGER (long)</P> |
| 1030 | */ |
| 1031 | public static final String DURATION = "duration"; |
| 1032 | |
| 1033 | /** |
| 1034 | * The position, in ms, playback was at when playback for this file |
| 1035 | * was last stopped. |
| 1036 | * <P>Type: INTEGER (long)</P> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1037 | */ |
| 1038 | public static final String BOOKMARK = "bookmark"; |
| 1039 | |
| 1040 | /** |
| 1041 | * The id of the artist who created the audio file, if any |
| 1042 | * <P>Type: INTEGER (long)</P> |
| 1043 | */ |
| 1044 | public static final String ARTIST_ID = "artist_id"; |
| 1045 | |
| 1046 | /** |
| 1047 | * The artist who created the audio file, if any |
| 1048 | * <P>Type: TEXT</P> |
| 1049 | */ |
| 1050 | public static final String ARTIST = "artist"; |
| 1051 | |
| 1052 | /** |
Marco Nelissen | abc2819 | 2010-03-18 17:10:38 -0700 | [diff] [blame] | 1053 | * The artist credited for the album that contains the audio file |
| 1054 | * <P>Type: TEXT</P> |
| 1055 | * @hide |
| 1056 | */ |
| 1057 | public static final String ALBUM_ARTIST = "album_artist"; |
| 1058 | |
| 1059 | /** |
Marco Nelissen | ee35aff | 2011-01-06 11:12:17 -0800 | [diff] [blame] | 1060 | * Whether the song is part of a compilation |
| 1061 | * <P>Type: TEXT</P> |
| 1062 | * @hide |
| 1063 | */ |
| 1064 | public static final String COMPILATION = "compilation"; |
| 1065 | |
| 1066 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1067 | * A non human readable key calculated from the ARTIST, used for |
| 1068 | * searching, sorting and grouping |
| 1069 | * <P>Type: TEXT</P> |
| 1070 | */ |
| 1071 | public static final String ARTIST_KEY = "artist_key"; |
| 1072 | |
| 1073 | /** |
| 1074 | * The composer of the audio file, if any |
| 1075 | * <P>Type: TEXT</P> |
| 1076 | */ |
| 1077 | public static final String COMPOSER = "composer"; |
| 1078 | |
| 1079 | /** |
| 1080 | * The id of the album the audio file is from, if any |
| 1081 | * <P>Type: INTEGER (long)</P> |
| 1082 | */ |
| 1083 | public static final String ALBUM_ID = "album_id"; |
| 1084 | |
| 1085 | /** |
| 1086 | * The album the audio file is from, if any |
| 1087 | * <P>Type: TEXT</P> |
| 1088 | */ |
| 1089 | public static final String ALBUM = "album"; |
| 1090 | |
| 1091 | /** |
| 1092 | * A non human readable key calculated from the ALBUM, used for |
| 1093 | * searching, sorting and grouping |
| 1094 | * <P>Type: TEXT</P> |
| 1095 | */ |
| 1096 | public static final String ALBUM_KEY = "album_key"; |
| 1097 | |
| 1098 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1099 | * The track number of this song on the album, if any. |
| 1100 | * This number encodes both the track number and the |
| 1101 | * disc number. For multi-disc sets, this number will |
| 1102 | * be 1xxx for tracks on the first disc, 2xxx for tracks |
| 1103 | * on the second disc, etc. |
| 1104 | * <P>Type: INTEGER</P> |
| 1105 | */ |
| 1106 | public static final String TRACK = "track"; |
| 1107 | |
| 1108 | /** |
| 1109 | * The year the audio file was recorded, if any |
| 1110 | * <P>Type: INTEGER</P> |
| 1111 | */ |
| 1112 | public static final String YEAR = "year"; |
| 1113 | |
| 1114 | /** |
| 1115 | * Non-zero if the audio file is music |
| 1116 | * <P>Type: INTEGER (boolean)</P> |
| 1117 | */ |
| 1118 | public static final String IS_MUSIC = "is_music"; |
| 1119 | |
| 1120 | /** |
| 1121 | * Non-zero if the audio file is a podcast |
| 1122 | * <P>Type: INTEGER (boolean)</P> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1123 | */ |
| 1124 | public static final String IS_PODCAST = "is_podcast"; |
| 1125 | |
| 1126 | /** |
| 1127 | * Non-zero id the audio file may be a ringtone |
| 1128 | * <P>Type: INTEGER (boolean)</P> |
| 1129 | */ |
| 1130 | public static final String IS_RINGTONE = "is_ringtone"; |
| 1131 | |
| 1132 | /** |
| 1133 | * Non-zero id the audio file may be an alarm |
| 1134 | * <P>Type: INTEGER (boolean)</P> |
| 1135 | */ |
| 1136 | public static final String IS_ALARM = "is_alarm"; |
| 1137 | |
| 1138 | /** |
| 1139 | * Non-zero id the audio file may be a notification sound |
| 1140 | * <P>Type: INTEGER (boolean)</P> |
| 1141 | */ |
| 1142 | public static final String IS_NOTIFICATION = "is_notification"; |
| 1143 | } |
| 1144 | |
| 1145 | /** |
| 1146 | * Converts a name to a "key" that can be used for grouping, sorting |
| 1147 | * and searching. |
| 1148 | * The rules that govern this conversion are: |
| 1149 | * - remove 'special' characters like ()[]'!?., |
| 1150 | * - remove leading/trailing spaces |
| 1151 | * - convert everything to lowercase |
| 1152 | * - remove leading "the ", "an " and "a " |
| 1153 | * - remove trailing ", the|an|a" |
| 1154 | * - remove accents. This step leaves us with CollationKey data, |
| 1155 | * which is not human readable |
| 1156 | * |
| 1157 | * @param name The artist or album name to convert |
| 1158 | * @return The "key" for the given name. |
| 1159 | */ |
| 1160 | public static String keyFor(String name) { |
| 1161 | if (name != null) { |
Marco Nelissen | 816cf52 | 2009-07-06 09:19:10 -0700 | [diff] [blame] | 1162 | boolean sortfirst = false; |
Marco Nelissen | 9a488b4 | 2010-01-04 15:09:03 -0800 | [diff] [blame] | 1163 | if (name.equals(UNKNOWN_STRING)) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1164 | return "\001"; |
| 1165 | } |
Marco Nelissen | 816cf52 | 2009-07-06 09:19:10 -0700 | [diff] [blame] | 1166 | // Check if the first character is \001. We use this to |
| 1167 | // force sorting of certain special files, like the silent ringtone. |
| 1168 | if (name.startsWith("\001")) { |
| 1169 | sortfirst = true; |
| 1170 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1171 | name = name.trim().toLowerCase(); |
| 1172 | if (name.startsWith("the ")) { |
| 1173 | name = name.substring(4); |
| 1174 | } |
| 1175 | if (name.startsWith("an ")) { |
| 1176 | name = name.substring(3); |
| 1177 | } |
| 1178 | if (name.startsWith("a ")) { |
| 1179 | name = name.substring(2); |
| 1180 | } |
| 1181 | if (name.endsWith(", the") || name.endsWith(",the") || |
| 1182 | name.endsWith(", an") || name.endsWith(",an") || |
| 1183 | name.endsWith(", a") || name.endsWith(",a")) { |
| 1184 | name = name.substring(0, name.lastIndexOf(',')); |
| 1185 | } |
Marco Nelissen | e754e12 | 2009-05-22 12:16:58 -0700 | [diff] [blame] | 1186 | name = name.replaceAll("[\\[\\]\\(\\)\"'.,?!]", "").trim(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1187 | if (name.length() > 0) { |
| 1188 | // Insert a separator between the characters to avoid |
| 1189 | // matches on a partial character. If we ever change |
| 1190 | // to start-of-word-only matches, this can be removed. |
| 1191 | StringBuilder b = new StringBuilder(); |
| 1192 | b.append('.'); |
| 1193 | int nl = name.length(); |
| 1194 | for (int i = 0; i < nl; i++) { |
| 1195 | b.append(name.charAt(i)); |
| 1196 | b.append('.'); |
| 1197 | } |
| 1198 | name = b.toString(); |
Marco Nelissen | 816cf52 | 2009-07-06 09:19:10 -0700 | [diff] [blame] | 1199 | String key = DatabaseUtils.getCollationKey(name); |
| 1200 | if (sortfirst) { |
| 1201 | key = "\001" + key; |
| 1202 | } |
| 1203 | return key; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1204 | } else { |
| 1205 | return ""; |
| 1206 | } |
| 1207 | } |
| 1208 | return null; |
| 1209 | } |
| 1210 | |
| 1211 | public static final class Media implements AudioColumns { |
| 1212 | /** |
| 1213 | * Get the content:// style URI for the audio media table on the |
| 1214 | * given volume. |
| 1215 | * |
| 1216 | * @param volumeName the name of the volume to get the URI for |
| 1217 | * @return the URI to the audio media table on the given volume |
| 1218 | */ |
| 1219 | public static Uri getContentUri(String volumeName) { |
| 1220 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName + |
| 1221 | "/audio/media"); |
| 1222 | } |
| 1223 | |
| 1224 | public static Uri getContentUriForPath(String path) { |
| 1225 | return (path.startsWith(Environment.getExternalStorageDirectory().getPath()) ? |
| 1226 | EXTERNAL_CONTENT_URI : INTERNAL_CONTENT_URI); |
| 1227 | } |
| 1228 | |
| 1229 | /** |
| 1230 | * The content:// style URI for the internal storage. |
| 1231 | */ |
| 1232 | public static final Uri INTERNAL_CONTENT_URI = |
| 1233 | getContentUri("internal"); |
| 1234 | |
| 1235 | /** |
| 1236 | * The content:// style URI for the "primary" external storage |
| 1237 | * volume. |
| 1238 | */ |
| 1239 | public static final Uri EXTERNAL_CONTENT_URI = |
| 1240 | getContentUri("external"); |
| 1241 | |
| 1242 | /** |
| 1243 | * The MIME type for this table. |
| 1244 | */ |
| 1245 | public static final String CONTENT_TYPE = "vnd.android.cursor.dir/audio"; |
| 1246 | |
| 1247 | /** |
| 1248 | * The default sort order for this table |
| 1249 | */ |
Marco Nelissen | 816cf52 | 2009-07-06 09:19:10 -0700 | [diff] [blame] | 1250 | public static final String DEFAULT_SORT_ORDER = TITLE_KEY; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1251 | |
| 1252 | /** |
| 1253 | * Activity Action: Start SoundRecorder application. |
| 1254 | * <p>Input: nothing. |
| 1255 | * <p>Output: An uri to the recorded sound stored in the Media Library |
| 1256 | * if the recording was successful. |
| 1257 | * May also contain the extra EXTRA_MAX_BYTES. |
| 1258 | * @see #EXTRA_MAX_BYTES |
| 1259 | */ |
| 1260 | public static final String RECORD_SOUND_ACTION = |
| 1261 | "android.provider.MediaStore.RECORD_SOUND"; |
| 1262 | |
| 1263 | /** |
| 1264 | * The name of the Intent-extra used to define a maximum file size for |
| 1265 | * a recording made by the SoundRecorder application. |
| 1266 | * |
| 1267 | * @see #RECORD_SOUND_ACTION |
| 1268 | */ |
| 1269 | public static final String EXTRA_MAX_BYTES = |
| 1270 | "android.provider.MediaStore.extra.MAX_BYTES"; |
| 1271 | } |
| 1272 | |
| 1273 | /** |
| 1274 | * Columns representing an audio genre |
| 1275 | */ |
| 1276 | public interface GenresColumns { |
| 1277 | /** |
| 1278 | * The name of the genre |
| 1279 | * <P>Type: TEXT</P> |
| 1280 | */ |
| 1281 | public static final String NAME = "name"; |
| 1282 | } |
| 1283 | |
| 1284 | /** |
| 1285 | * Contains all genres for audio files |
| 1286 | */ |
| 1287 | public static final class Genres implements BaseColumns, GenresColumns { |
| 1288 | /** |
| 1289 | * Get the content:// style URI for the audio genres table on the |
| 1290 | * given volume. |
| 1291 | * |
| 1292 | * @param volumeName the name of the volume to get the URI for |
| 1293 | * @return the URI to the audio genres table on the given volume |
| 1294 | */ |
| 1295 | public static Uri getContentUri(String volumeName) { |
| 1296 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName + |
| 1297 | "/audio/genres"); |
| 1298 | } |
| 1299 | |
| 1300 | /** |
Mike Lockwood | bdb05df | 2010-09-26 12:33:25 -0400 | [diff] [blame] | 1301 | * Get the content:// style URI for querying the genres of an audio file. |
| 1302 | * |
| 1303 | * @param volumeName the name of the volume to get the URI for |
| 1304 | * @param audioId the ID of the audio file for which to retrieve the genres |
| 1305 | * @return the URI to for querying the genres for the audio file |
| 1306 | * with the given the volume and audioID |
| 1307 | */ |
| 1308 | public static Uri getContentUriForAudioId(String volumeName, int audioId) { |
| 1309 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName + |
| 1310 | "/audio/media/" + audioId + "/genres"); |
| 1311 | } |
| 1312 | |
| 1313 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1314 | * The content:// style URI for the internal storage. |
| 1315 | */ |
| 1316 | public static final Uri INTERNAL_CONTENT_URI = |
| 1317 | getContentUri("internal"); |
| 1318 | |
| 1319 | /** |
| 1320 | * The content:// style URI for the "primary" external storage |
| 1321 | * volume. |
| 1322 | */ |
| 1323 | public static final Uri EXTERNAL_CONTENT_URI = |
| 1324 | getContentUri("external"); |
| 1325 | |
| 1326 | /** |
| 1327 | * The MIME type for this table. |
| 1328 | */ |
| 1329 | public static final String CONTENT_TYPE = "vnd.android.cursor.dir/genre"; |
| 1330 | |
| 1331 | /** |
| 1332 | * The MIME type for entries in this table. |
| 1333 | */ |
| 1334 | public static final String ENTRY_CONTENT_TYPE = "vnd.android.cursor.item/genre"; |
| 1335 | |
| 1336 | /** |
| 1337 | * The default sort order for this table |
| 1338 | */ |
| 1339 | public static final String DEFAULT_SORT_ORDER = NAME; |
| 1340 | |
| 1341 | /** |
| 1342 | * Sub-directory of each genre containing all members. |
| 1343 | */ |
| 1344 | public static final class Members implements AudioColumns { |
| 1345 | |
| 1346 | public static final Uri getContentUri(String volumeName, |
| 1347 | long genreId) { |
| 1348 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName |
| 1349 | + "/audio/genres/" + genreId + "/members"); |
| 1350 | } |
| 1351 | |
| 1352 | /** |
| 1353 | * A subdirectory of each genre containing all member audio files. |
| 1354 | */ |
| 1355 | public static final String CONTENT_DIRECTORY = "members"; |
| 1356 | |
| 1357 | /** |
| 1358 | * The default sort order for this table |
| 1359 | */ |
Marco Nelissen | 816cf52 | 2009-07-06 09:19:10 -0700 | [diff] [blame] | 1360 | public static final String DEFAULT_SORT_ORDER = TITLE_KEY; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1361 | |
| 1362 | /** |
| 1363 | * The ID of the audio file |
| 1364 | * <P>Type: INTEGER (long)</P> |
| 1365 | */ |
| 1366 | public static final String AUDIO_ID = "audio_id"; |
| 1367 | |
| 1368 | /** |
| 1369 | * The ID of the genre |
| 1370 | * <P>Type: INTEGER (long)</P> |
| 1371 | */ |
| 1372 | public static final String GENRE_ID = "genre_id"; |
| 1373 | } |
| 1374 | } |
| 1375 | |
| 1376 | /** |
| 1377 | * Columns representing a playlist |
| 1378 | */ |
| 1379 | public interface PlaylistsColumns { |
| 1380 | /** |
| 1381 | * The name of the playlist |
| 1382 | * <P>Type: TEXT</P> |
| 1383 | */ |
| 1384 | public static final String NAME = "name"; |
| 1385 | |
| 1386 | /** |
| 1387 | * The data stream for the playlist file |
| 1388 | * <P>Type: DATA STREAM</P> |
| 1389 | */ |
| 1390 | public static final String DATA = "_data"; |
| 1391 | |
| 1392 | /** |
| 1393 | * The time the file was added to the media provider |
| 1394 | * Units are seconds since 1970. |
| 1395 | * <P>Type: INTEGER (long)</P> |
| 1396 | */ |
| 1397 | public static final String DATE_ADDED = "date_added"; |
| 1398 | |
| 1399 | /** |
| 1400 | * The time the file was last modified |
| 1401 | * Units are seconds since 1970. |
| 1402 | * NOTE: This is for internal use by the media scanner. Do not modify this field. |
| 1403 | * <P>Type: INTEGER (long)</P> |
| 1404 | */ |
| 1405 | public static final String DATE_MODIFIED = "date_modified"; |
| 1406 | } |
| 1407 | |
| 1408 | /** |
| 1409 | * Contains playlists for audio files |
| 1410 | */ |
| 1411 | public static final class Playlists implements BaseColumns, |
| 1412 | PlaylistsColumns { |
| 1413 | /** |
| 1414 | * Get the content:// style URI for the audio playlists table on the |
| 1415 | * given volume. |
| 1416 | * |
| 1417 | * @param volumeName the name of the volume to get the URI for |
| 1418 | * @return the URI to the audio playlists table on the given volume |
| 1419 | */ |
| 1420 | public static Uri getContentUri(String volumeName) { |
| 1421 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName + |
| 1422 | "/audio/playlists"); |
| 1423 | } |
| 1424 | |
| 1425 | /** |
| 1426 | * The content:// style URI for the internal storage. |
| 1427 | */ |
| 1428 | public static final Uri INTERNAL_CONTENT_URI = |
| 1429 | getContentUri("internal"); |
| 1430 | |
| 1431 | /** |
| 1432 | * The content:// style URI for the "primary" external storage |
| 1433 | * volume. |
| 1434 | */ |
| 1435 | public static final Uri EXTERNAL_CONTENT_URI = |
| 1436 | getContentUri("external"); |
| 1437 | |
| 1438 | /** |
| 1439 | * The MIME type for this table. |
| 1440 | */ |
| 1441 | public static final String CONTENT_TYPE = "vnd.android.cursor.dir/playlist"; |
| 1442 | |
| 1443 | /** |
| 1444 | * The MIME type for entries in this table. |
| 1445 | */ |
| 1446 | public static final String ENTRY_CONTENT_TYPE = "vnd.android.cursor.item/playlist"; |
| 1447 | |
| 1448 | /** |
| 1449 | * The default sort order for this table |
| 1450 | */ |
| 1451 | public static final String DEFAULT_SORT_ORDER = NAME; |
| 1452 | |
| 1453 | /** |
| 1454 | * Sub-directory of each playlist containing all members. |
| 1455 | */ |
| 1456 | public static final class Members implements AudioColumns { |
| 1457 | public static final Uri getContentUri(String volumeName, |
| 1458 | long playlistId) { |
| 1459 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName |
| 1460 | + "/audio/playlists/" + playlistId + "/members"); |
| 1461 | } |
| 1462 | |
| 1463 | /** |
Marco Nelissen | e3d05fc | 2009-12-09 16:01:46 -0800 | [diff] [blame] | 1464 | * Convenience method to move a playlist item to a new location |
| 1465 | * @param res The content resolver to use |
| 1466 | * @param playlistId The numeric id of the playlist |
| 1467 | * @param from The position of the item to move |
| 1468 | * @param to The position to move the item to |
| 1469 | * @return true on success |
Marco Nelissen | e3d05fc | 2009-12-09 16:01:46 -0800 | [diff] [blame] | 1470 | */ |
| 1471 | public static final boolean moveItem(ContentResolver res, |
| 1472 | long playlistId, int from, int to) { |
| 1473 | Uri uri = MediaStore.Audio.Playlists.Members.getContentUri("external", |
| 1474 | playlistId) |
| 1475 | .buildUpon() |
| 1476 | .appendEncodedPath(String.valueOf(from)) |
| 1477 | .appendQueryParameter("move", "true") |
| 1478 | .build(); |
| 1479 | ContentValues values = new ContentValues(); |
| 1480 | values.put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, to); |
| 1481 | return res.update(uri, values, null, null) != 0; |
| 1482 | } |
| 1483 | |
| 1484 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1485 | * The ID within the playlist. |
| 1486 | */ |
| 1487 | public static final String _ID = "_id"; |
| 1488 | |
| 1489 | /** |
| 1490 | * A subdirectory of each playlist containing all member audio |
| 1491 | * files. |
| 1492 | */ |
| 1493 | public static final String CONTENT_DIRECTORY = "members"; |
| 1494 | |
| 1495 | /** |
| 1496 | * The ID of the audio file |
| 1497 | * <P>Type: INTEGER (long)</P> |
| 1498 | */ |
| 1499 | public static final String AUDIO_ID = "audio_id"; |
| 1500 | |
| 1501 | /** |
| 1502 | * The ID of the playlist |
| 1503 | * <P>Type: INTEGER (long)</P> |
| 1504 | */ |
| 1505 | public static final String PLAYLIST_ID = "playlist_id"; |
| 1506 | |
| 1507 | /** |
| 1508 | * The order of the songs in the playlist |
| 1509 | * <P>Type: INTEGER (long)></P> |
| 1510 | */ |
| 1511 | public static final String PLAY_ORDER = "play_order"; |
| 1512 | |
| 1513 | /** |
| 1514 | * The default sort order for this table |
| 1515 | */ |
| 1516 | public static final String DEFAULT_SORT_ORDER = PLAY_ORDER; |
| 1517 | } |
| 1518 | } |
| 1519 | |
| 1520 | /** |
| 1521 | * Columns representing an artist |
| 1522 | */ |
| 1523 | public interface ArtistColumns { |
| 1524 | /** |
| 1525 | * The artist who created the audio file, if any |
| 1526 | * <P>Type: TEXT</P> |
| 1527 | */ |
| 1528 | public static final String ARTIST = "artist"; |
| 1529 | |
| 1530 | /** |
| 1531 | * A non human readable key calculated from the ARTIST, used for |
| 1532 | * searching, sorting and grouping |
| 1533 | * <P>Type: TEXT</P> |
| 1534 | */ |
| 1535 | public static final String ARTIST_KEY = "artist_key"; |
| 1536 | |
| 1537 | /** |
| 1538 | * The number of albums in the database for this artist |
| 1539 | */ |
| 1540 | public static final String NUMBER_OF_ALBUMS = "number_of_albums"; |
| 1541 | |
| 1542 | /** |
| 1543 | * The number of albums in the database for this artist |
| 1544 | */ |
| 1545 | public static final String NUMBER_OF_TRACKS = "number_of_tracks"; |
| 1546 | } |
| 1547 | |
| 1548 | /** |
| 1549 | * Contains artists for audio files |
| 1550 | */ |
| 1551 | public static final class Artists implements BaseColumns, ArtistColumns { |
| 1552 | /** |
| 1553 | * Get the content:// style URI for the artists table on the |
| 1554 | * given volume. |
| 1555 | * |
| 1556 | * @param volumeName the name of the volume to get the URI for |
| 1557 | * @return the URI to the audio artists table on the given volume |
| 1558 | */ |
| 1559 | public static Uri getContentUri(String volumeName) { |
| 1560 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName + |
| 1561 | "/audio/artists"); |
| 1562 | } |
| 1563 | |
| 1564 | /** |
| 1565 | * The content:// style URI for the internal storage. |
| 1566 | */ |
| 1567 | public static final Uri INTERNAL_CONTENT_URI = |
| 1568 | getContentUri("internal"); |
| 1569 | |
| 1570 | /** |
| 1571 | * The content:// style URI for the "primary" external storage |
| 1572 | * volume. |
| 1573 | */ |
| 1574 | public static final Uri EXTERNAL_CONTENT_URI = |
| 1575 | getContentUri("external"); |
| 1576 | |
| 1577 | /** |
| 1578 | * The MIME type for this table. |
| 1579 | */ |
| 1580 | public static final String CONTENT_TYPE = "vnd.android.cursor.dir/artists"; |
| 1581 | |
| 1582 | /** |
| 1583 | * The MIME type for entries in this table. |
| 1584 | */ |
| 1585 | public static final String ENTRY_CONTENT_TYPE = "vnd.android.cursor.item/artist"; |
| 1586 | |
| 1587 | /** |
| 1588 | * The default sort order for this table |
| 1589 | */ |
| 1590 | public static final String DEFAULT_SORT_ORDER = ARTIST_KEY; |
| 1591 | |
| 1592 | /** |
| 1593 | * Sub-directory of each artist containing all albums on which |
| 1594 | * a song by the artist appears. |
| 1595 | */ |
| 1596 | public static final class Albums implements AlbumColumns { |
| 1597 | public static final Uri getContentUri(String volumeName, |
| 1598 | long artistId) { |
| 1599 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName |
| 1600 | + "/audio/artists/" + artistId + "/albums"); |
| 1601 | } |
| 1602 | } |
| 1603 | } |
| 1604 | |
| 1605 | /** |
| 1606 | * Columns representing an album |
| 1607 | */ |
| 1608 | public interface AlbumColumns { |
| 1609 | |
| 1610 | /** |
| 1611 | * The id for the album |
| 1612 | * <P>Type: INTEGER</P> |
| 1613 | */ |
| 1614 | public static final String ALBUM_ID = "album_id"; |
| 1615 | |
| 1616 | /** |
| 1617 | * The album on which the audio file appears, if any |
| 1618 | * <P>Type: TEXT</P> |
| 1619 | */ |
| 1620 | public static final String ALBUM = "album"; |
| 1621 | |
| 1622 | /** |
| 1623 | * The artist whose songs appear on this album |
| 1624 | * <P>Type: TEXT</P> |
| 1625 | */ |
| 1626 | public static final String ARTIST = "artist"; |
| 1627 | |
| 1628 | /** |
| 1629 | * The number of songs on this album |
| 1630 | * <P>Type: INTEGER</P> |
| 1631 | */ |
| 1632 | public static final String NUMBER_OF_SONGS = "numsongs"; |
| 1633 | |
| 1634 | /** |
| 1635 | * This column is available when getting album info via artist, |
| 1636 | * and indicates the number of songs on the album by the given |
| 1637 | * artist. |
| 1638 | * <P>Type: INTEGER</P> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1639 | */ |
| 1640 | public static final String NUMBER_OF_SONGS_FOR_ARTIST = "numsongs_by_artist"; |
| 1641 | |
| 1642 | /** |
Andy Stadler | f8a7cea | 2009-04-10 16:24:47 -0700 | [diff] [blame] | 1643 | * The year in which the earliest songs |
| 1644 | * on this album were released. This will often |
| 1645 | * be the same as {@link #LAST_YEAR}, but for compilation albums |
| 1646 | * they might differ. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1647 | * <P>Type: INTEGER</P> |
| 1648 | */ |
| 1649 | public static final String FIRST_YEAR = "minyear"; |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 1650 | |
Andy Stadler | f8a7cea | 2009-04-10 16:24:47 -0700 | [diff] [blame] | 1651 | /** |
| 1652 | * The year in which the latest songs |
| 1653 | * on this album were released. This will often |
| 1654 | * be the same as {@link #FIRST_YEAR}, but for compilation albums |
| 1655 | * they might differ. |
| 1656 | * <P>Type: INTEGER</P> |
| 1657 | */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1658 | public static final String LAST_YEAR = "maxyear"; |
| 1659 | |
| 1660 | /** |
| 1661 | * A non human readable key calculated from the ALBUM, used for |
| 1662 | * searching, sorting and grouping |
| 1663 | * <P>Type: TEXT</P> |
| 1664 | */ |
| 1665 | public static final String ALBUM_KEY = "album_key"; |
| 1666 | |
| 1667 | /** |
| 1668 | * Cached album art. |
| 1669 | * <P>Type: TEXT</P> |
| 1670 | */ |
| 1671 | public static final String ALBUM_ART = "album_art"; |
| 1672 | } |
| 1673 | |
| 1674 | /** |
| 1675 | * Contains artists for audio files |
| 1676 | */ |
| 1677 | public static final class Albums implements BaseColumns, AlbumColumns { |
| 1678 | /** |
| 1679 | * Get the content:// style URI for the albums table on the |
| 1680 | * given volume. |
| 1681 | * |
| 1682 | * @param volumeName the name of the volume to get the URI for |
| 1683 | * @return the URI to the audio albums table on the given volume |
| 1684 | */ |
| 1685 | public static Uri getContentUri(String volumeName) { |
| 1686 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName + |
| 1687 | "/audio/albums"); |
| 1688 | } |
| 1689 | |
| 1690 | /** |
| 1691 | * The content:// style URI for the internal storage. |
| 1692 | */ |
| 1693 | public static final Uri INTERNAL_CONTENT_URI = |
| 1694 | getContentUri("internal"); |
| 1695 | |
| 1696 | /** |
| 1697 | * The content:// style URI for the "primary" external storage |
| 1698 | * volume. |
| 1699 | */ |
| 1700 | public static final Uri EXTERNAL_CONTENT_URI = |
| 1701 | getContentUri("external"); |
| 1702 | |
| 1703 | /** |
| 1704 | * The MIME type for this table. |
| 1705 | */ |
| 1706 | public static final String CONTENT_TYPE = "vnd.android.cursor.dir/albums"; |
| 1707 | |
| 1708 | /** |
| 1709 | * The MIME type for entries in this table. |
| 1710 | */ |
| 1711 | public static final String ENTRY_CONTENT_TYPE = "vnd.android.cursor.item/album"; |
| 1712 | |
| 1713 | /** |
| 1714 | * The default sort order for this table |
| 1715 | */ |
| 1716 | public static final String DEFAULT_SORT_ORDER = ALBUM_KEY; |
| 1717 | } |
| 1718 | } |
| 1719 | |
| 1720 | public static final class Video { |
| 1721 | |
| 1722 | /** |
| 1723 | * The default sort order for this table. |
| 1724 | */ |
| 1725 | public static final String DEFAULT_SORT_ORDER = MediaColumns.DISPLAY_NAME; |
| 1726 | |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 1727 | public static final Cursor query(ContentResolver cr, Uri uri, String[] projection) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1728 | return cr.query(uri, projection, null, null, DEFAULT_SORT_ORDER); |
| 1729 | } |
| 1730 | |
| 1731 | public interface VideoColumns extends MediaColumns { |
| 1732 | |
| 1733 | /** |
| 1734 | * The duration of the video file, in ms |
| 1735 | * <P>Type: INTEGER (long)</P> |
| 1736 | */ |
| 1737 | public static final String DURATION = "duration"; |
| 1738 | |
| 1739 | /** |
| 1740 | * The artist who created the video file, if any |
| 1741 | * <P>Type: TEXT</P> |
| 1742 | */ |
| 1743 | public static final String ARTIST = "artist"; |
| 1744 | |
| 1745 | /** |
| 1746 | * The album the video file is from, if any |
| 1747 | * <P>Type: TEXT</P> |
| 1748 | */ |
| 1749 | public static final String ALBUM = "album"; |
| 1750 | |
| 1751 | /** |
| 1752 | * The resolution of the video file, formatted as "XxY" |
| 1753 | * <P>Type: TEXT</P> |
| 1754 | */ |
| 1755 | public static final String RESOLUTION = "resolution"; |
| 1756 | |
| 1757 | /** |
| 1758 | * The description of the video recording |
| 1759 | * <P>Type: TEXT</P> |
| 1760 | */ |
| 1761 | public static final String DESCRIPTION = "description"; |
| 1762 | |
| 1763 | /** |
| 1764 | * Whether the video should be published as public or private |
| 1765 | * <P>Type: INTEGER</P> |
| 1766 | */ |
| 1767 | public static final String IS_PRIVATE = "isprivate"; |
| 1768 | |
| 1769 | /** |
| 1770 | * The user-added tags associated with a video |
| 1771 | * <P>Type: TEXT</P> |
| 1772 | */ |
| 1773 | public static final String TAGS = "tags"; |
| 1774 | |
| 1775 | /** |
| 1776 | * The YouTube category of the video |
| 1777 | * <P>Type: TEXT</P> |
| 1778 | */ |
| 1779 | public static final String CATEGORY = "category"; |
| 1780 | |
| 1781 | /** |
| 1782 | * The language of the video |
| 1783 | * <P>Type: TEXT</P> |
| 1784 | */ |
| 1785 | public static final String LANGUAGE = "language"; |
| 1786 | |
| 1787 | /** |
| 1788 | * The latitude where the image was captured. |
| 1789 | * <P>Type: DOUBLE</P> |
| 1790 | */ |
| 1791 | public static final String LATITUDE = "latitude"; |
| 1792 | |
| 1793 | /** |
| 1794 | * The longitude where the image was captured. |
| 1795 | * <P>Type: DOUBLE</P> |
| 1796 | */ |
| 1797 | public static final String LONGITUDE = "longitude"; |
| 1798 | |
| 1799 | /** |
| 1800 | * The date & time that the image was taken in units |
| 1801 | * of milliseconds since jan 1, 1970. |
| 1802 | * <P>Type: INTEGER</P> |
| 1803 | */ |
| 1804 | public static final String DATE_TAKEN = "datetaken"; |
| 1805 | |
| 1806 | /** |
| 1807 | * The mini thumb id. |
| 1808 | * <P>Type: INTEGER</P> |
| 1809 | */ |
| 1810 | public static final String MINI_THUMB_MAGIC = "mini_thumb_magic"; |
| 1811 | |
| 1812 | /** |
| 1813 | * The bucket id of the video. This is a read-only property that |
| 1814 | * is automatically computed from the DATA column. |
| 1815 | * <P>Type: TEXT</P> |
| 1816 | */ |
| 1817 | public static final String BUCKET_ID = "bucket_id"; |
| 1818 | |
| 1819 | /** |
| 1820 | * The bucket display name of the video. This is a read-only property that |
| 1821 | * is automatically computed from the DATA column. |
| 1822 | * <P>Type: TEXT</P> |
| 1823 | */ |
| 1824 | public static final String BUCKET_DISPLAY_NAME = "bucket_display_name"; |
| 1825 | |
| 1826 | /** |
| 1827 | * The bookmark for the video. Time in ms. Represents the location in the video that the |
| 1828 | * video should start playing at the next time it is opened. If the value is null or |
| 1829 | * out of the range 0..DURATION-1 then the video should start playing from the |
| 1830 | * beginning. |
| 1831 | * <P>Type: INTEGER</P> |
| 1832 | */ |
| 1833 | public static final String BOOKMARK = "bookmark"; |
| 1834 | } |
| 1835 | |
| 1836 | public static final class Media implements VideoColumns { |
| 1837 | /** |
| 1838 | * Get the content:// style URI for the video media table on the |
| 1839 | * given volume. |
| 1840 | * |
| 1841 | * @param volumeName the name of the volume to get the URI for |
| 1842 | * @return the URI to the video media table on the given volume |
| 1843 | */ |
| 1844 | public static Uri getContentUri(String volumeName) { |
| 1845 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName + |
| 1846 | "/video/media"); |
| 1847 | } |
| 1848 | |
| 1849 | /** |
| 1850 | * The content:// style URI for the internal storage. |
| 1851 | */ |
| 1852 | public static final Uri INTERNAL_CONTENT_URI = |
| 1853 | getContentUri("internal"); |
| 1854 | |
| 1855 | /** |
| 1856 | * The content:// style URI for the "primary" external storage |
| 1857 | * volume. |
| 1858 | */ |
| 1859 | public static final Uri EXTERNAL_CONTENT_URI = |
| 1860 | getContentUri("external"); |
| 1861 | |
| 1862 | /** |
| 1863 | * The MIME type for this table. |
| 1864 | */ |
| 1865 | public static final String CONTENT_TYPE = "vnd.android.cursor.dir/video"; |
| 1866 | |
| 1867 | /** |
| 1868 | * The default sort order for this table |
| 1869 | */ |
| 1870 | public static final String DEFAULT_SORT_ORDER = TITLE; |
| 1871 | } |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 1872 | |
| 1873 | /** |
| 1874 | * This class allows developers to query and get two kinds of thumbnails: |
| 1875 | * MINI_KIND: 512 x 384 thumbnail |
| 1876 | * MICRO_KIND: 96 x 96 thumbnail |
| 1877 | * |
| 1878 | */ |
| 1879 | public static class Thumbnails implements BaseColumns { |
| 1880 | /** |
Ray Chen | b994419 | 2009-09-29 20:24:01 -0700 | [diff] [blame] | 1881 | * This method cancels the thumbnail request so clients waiting for getThumbnail will be |
| 1882 | * interrupted and return immediately. Only the original process which made the getThumbnail |
| 1883 | * requests can cancel their own requests. |
| 1884 | * |
| 1885 | * @param cr ContentResolver |
| 1886 | * @param origId original video id |
| 1887 | */ |
| 1888 | public static void cancelThumbnailRequest(ContentResolver cr, long origId) { |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 1889 | InternalThumbnails.cancelThumbnailRequest(cr, origId, EXTERNAL_CONTENT_URI, |
| 1890 | InternalThumbnails.DEFAULT_GROUP_ID); |
Ray Chen | b994419 | 2009-09-29 20:24:01 -0700 | [diff] [blame] | 1891 | } |
| 1892 | |
| 1893 | /** |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 1894 | * This method checks if the thumbnails of the specified image (origId) has been created. |
| 1895 | * It will be blocked until the thumbnails are generated. |
| 1896 | * |
| 1897 | * @param cr ContentResolver used to dispatch queries to MediaProvider. |
| 1898 | * @param origId Original image id associated with thumbnail of interest. |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 1899 | * @param kind The type of thumbnail to fetch. Should be either MINI_KIND or MICRO_KIND. |
| 1900 | * @param options this is only used for MINI_KIND when decoding the Bitmap |
| 1901 | * @return A Bitmap instance. It could be null if the original image |
| 1902 | * associated with origId doesn't exist or memory is not enough. |
| 1903 | */ |
| 1904 | public static Bitmap getThumbnail(ContentResolver cr, long origId, int kind, |
| 1905 | BitmapFactory.Options options) { |
| 1906 | return InternalThumbnails.getThumbnail(cr, origId, |
| 1907 | InternalThumbnails.DEFAULT_GROUP_ID, kind, options, |
| 1908 | EXTERNAL_CONTENT_URI, true); |
| 1909 | } |
| 1910 | |
| 1911 | /** |
| 1912 | * This method checks if the thumbnails of the specified image (origId) has been created. |
| 1913 | * It will be blocked until the thumbnails are generated. |
| 1914 | * |
| 1915 | * @param cr ContentResolver used to dispatch queries to MediaProvider. |
| 1916 | * @param origId Original image id associated with thumbnail of interest. |
| 1917 | * @param groupId the id of group to which this request belongs |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 1918 | * @param kind The type of thumbnail to fetch. Should be either MINI_KIND or MICRO_KIND |
| 1919 | * @param options this is only used for MINI_KIND when decoding the Bitmap |
| 1920 | * @return A Bitmap instance. It could be null if the original image associated with |
| 1921 | * origId doesn't exist or memory is not enough. |
| 1922 | */ |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 1923 | public static Bitmap getThumbnail(ContentResolver cr, long origId, long groupId, |
| 1924 | int kind, BitmapFactory.Options options) { |
| 1925 | return InternalThumbnails.getThumbnail(cr, origId, groupId, kind, options, |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 1926 | EXTERNAL_CONTENT_URI, true); |
| 1927 | } |
| 1928 | |
| 1929 | /** |
Ray Chen | 13ed575 | 2009-10-05 12:21:24 -0700 | [diff] [blame] | 1930 | * This method cancels the thumbnail request so clients waiting for getThumbnail will be |
| 1931 | * interrupted and return immediately. Only the original process which made the getThumbnail |
| 1932 | * requests can cancel their own requests. |
| 1933 | * |
| 1934 | * @param cr ContentResolver |
| 1935 | * @param origId original video id |
| 1936 | * @param groupId the same groupId used in getThumbnail. |
| 1937 | */ |
| 1938 | public static void cancelThumbnailRequest(ContentResolver cr, long origId, long groupId) { |
| 1939 | InternalThumbnails.cancelThumbnailRequest(cr, origId, EXTERNAL_CONTENT_URI, groupId); |
| 1940 | } |
| 1941 | |
| 1942 | /** |
Ray Chen | 00c575a | 2009-08-28 14:12:15 -0700 | [diff] [blame] | 1943 | * Get the content:// style URI for the image media table on the |
| 1944 | * given volume. |
| 1945 | * |
| 1946 | * @param volumeName the name of the volume to get the URI for |
| 1947 | * @return the URI to the image media table on the given volume |
| 1948 | */ |
| 1949 | public static Uri getContentUri(String volumeName) { |
| 1950 | return Uri.parse(CONTENT_AUTHORITY_SLASH + volumeName + |
| 1951 | "/video/thumbnails"); |
| 1952 | } |
| 1953 | |
| 1954 | /** |
| 1955 | * The content:// style URI for the internal storage. |
| 1956 | */ |
| 1957 | public static final Uri INTERNAL_CONTENT_URI = |
| 1958 | getContentUri("internal"); |
| 1959 | |
| 1960 | /** |
| 1961 | * The content:// style URI for the "primary" external storage |
| 1962 | * volume. |
| 1963 | */ |
| 1964 | public static final Uri EXTERNAL_CONTENT_URI = |
| 1965 | getContentUri("external"); |
| 1966 | |
| 1967 | /** |
| 1968 | * The default sort order for this table |
| 1969 | */ |
| 1970 | public static final String DEFAULT_SORT_ORDER = "video_id ASC"; |
| 1971 | |
| 1972 | /** |
| 1973 | * The data stream for the thumbnail |
| 1974 | * <P>Type: DATA STREAM</P> |
| 1975 | */ |
| 1976 | public static final String DATA = "_data"; |
| 1977 | |
| 1978 | /** |
| 1979 | * The original image for the thumbnal |
| 1980 | * <P>Type: INTEGER (ID from Video table)</P> |
| 1981 | */ |
| 1982 | public static final String VIDEO_ID = "video_id"; |
| 1983 | |
| 1984 | /** |
| 1985 | * The kind of the thumbnail |
| 1986 | * <P>Type: INTEGER (One of the values below)</P> |
| 1987 | */ |
| 1988 | public static final String KIND = "kind"; |
| 1989 | |
| 1990 | public static final int MINI_KIND = 1; |
| 1991 | public static final int FULL_SCREEN_KIND = 2; |
| 1992 | public static final int MICRO_KIND = 3; |
| 1993 | |
| 1994 | /** |
| 1995 | * The width of the thumbnal |
| 1996 | * <P>Type: INTEGER (long)</P> |
| 1997 | */ |
| 1998 | public static final String WIDTH = "width"; |
| 1999 | |
| 2000 | /** |
| 2001 | * The height of the thumbnail |
| 2002 | * <P>Type: INTEGER (long)</P> |
| 2003 | */ |
| 2004 | public static final String HEIGHT = "height"; |
| 2005 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2006 | } |
| 2007 | |
| 2008 | /** |
| 2009 | * Uri for querying the state of the media scanner. |
| 2010 | */ |
| 2011 | public static Uri getMediaScannerUri() { |
| 2012 | return Uri.parse(CONTENT_AUTHORITY_SLASH + "none/media_scanner"); |
| 2013 | } |
| 2014 | |
| 2015 | /** |
| 2016 | * Name of current volume being scanned by the media scanner. |
| 2017 | */ |
| 2018 | public static final String MEDIA_SCANNER_VOLUME = "volume"; |
Karl Ostmo | 8ce072d | 2010-01-30 15:15:39 -0600 | [diff] [blame] | 2019 | |
| 2020 | /** |
| 2021 | * Name of the file signaling the media scanner to ignore media in the containing directory |
| 2022 | * and its subdirectories. Developers should use this to avoid application graphics showing |
| 2023 | * up in the Gallery and likewise prevent application sounds and music from showing up in |
| 2024 | * the Music app. |
| 2025 | */ |
| 2026 | public static final String MEDIA_IGNORE_FILENAME = ".nomedia"; |
Marco Nelissen | 3822f73 | 2011-02-03 10:59:30 -0800 | [diff] [blame] | 2027 | |
| 2028 | /** |
| 2029 | * Get the media provider's version. |
| 2030 | * Applications that import data from the media provider into their own caches |
| 2031 | * can use this to detect that the media provider changed, and reimport data |
| 2032 | * as needed. No other assumptions should be made about the meaning of the version. |
| 2033 | * @param context Context to use for performing the query. |
| 2034 | * @return A version string, or null if the version could not be determined. |
Marco Nelissen | 3822f73 | 2011-02-03 10:59:30 -0800 | [diff] [blame] | 2035 | */ |
| 2036 | public static String getVersion(Context context) { |
| 2037 | Cursor c = context.getContentResolver().query( |
| 2038 | Uri.parse(CONTENT_AUTHORITY_SLASH + "none/version"), |
| 2039 | null, null, null, null); |
| 2040 | if (c != null) { |
| 2041 | try { |
| 2042 | if (c.moveToFirst()) { |
| 2043 | return c.getString(0); |
| 2044 | } |
| 2045 | } finally { |
| 2046 | c.close(); |
| 2047 | } |
| 2048 | } |
| 2049 | return null; |
| 2050 | } |
| 2051 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2052 | } |