1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.gallery3d.data; 18 19 import android.content.ContentResolver; 20 import android.database.Cursor; 21 import android.graphics.Bitmap; 22 import android.graphics.BitmapRegionDecoder; 23 import android.net.Uri; 24 import android.provider.MediaStore.Video; 25 import android.provider.MediaStore.Video.VideoColumns; 26 27 import com.android.gallery3d.app.GalleryApp; 28 import com.android.gallery3d.common.BitmapUtils; 29 import com.android.gallery3d.util.GalleryUtils; 30 import com.android.gallery3d.util.ThreadPool.Job; 31 import com.android.gallery3d.util.ThreadPool.JobContext; 32 import com.android.gallery3d.util.UpdateHelper; 33 34 // LocalVideo represents a video in the local storage. 35 public class LocalVideo extends LocalMediaItem { 36 private static final String TAG = "LocalVideo"; 37 static final Path ITEM_PATH = Path.fromString("/local/video/item"); 38 39 // Must preserve order between these indices and the order of the terms in 40 // the following PROJECTION array. 41 private static final int INDEX_ID = 0; 42 private static final int INDEX_CAPTION = 1; 43 private static final int INDEX_MIME_TYPE = 2; 44 private static final int INDEX_LATITUDE = 3; 45 private static final int INDEX_LONGITUDE = 4; 46 private static final int INDEX_DATE_TAKEN = 5; 47 private static final int INDEX_DATE_ADDED = 6; 48 private static final int INDEX_DATE_MODIFIED = 7; 49 private static final int INDEX_DATA = 8; 50 private static final int INDEX_DURATION = 9; 51 private static final int INDEX_BUCKET_ID = 10; 52 private static final int INDEX_SIZE = 11; 53 private static final int INDEX_RESOLUTION = 12; 54 55 static final String[] PROJECTION = new String[] { 56 VideoColumns._ID, 57 VideoColumns.TITLE, 58 VideoColumns.MIME_TYPE, 59 VideoColumns.LATITUDE, 60 VideoColumns.LONGITUDE, 61 VideoColumns.DATE_TAKEN, 62 VideoColumns.DATE_ADDED, 63 VideoColumns.DATE_MODIFIED, 64 VideoColumns.DATA, 65 VideoColumns.DURATION, 66 VideoColumns.BUCKET_ID, 67 VideoColumns.SIZE, 68 VideoColumns.RESOLUTION, 69 }; 70 71 private final GalleryApp mApplication; 72 73 public int durationInSec; 74 LocalVideo(Path path, GalleryApp application, Cursor cursor)75 public LocalVideo(Path path, GalleryApp application, Cursor cursor) { 76 super(path, nextVersionNumber()); 77 mApplication = application; 78 loadFromCursor(cursor); 79 } 80 LocalVideo(Path path, GalleryApp context, int id)81 public LocalVideo(Path path, GalleryApp context, int id) { 82 super(path, nextVersionNumber()); 83 mApplication = context; 84 ContentResolver resolver = mApplication.getContentResolver(); 85 Uri uri = Video.Media.EXTERNAL_CONTENT_URI; 86 Cursor cursor = LocalAlbum.getItemCursor(resolver, uri, PROJECTION, id); 87 if (cursor == null) { 88 throw new RuntimeException("cannot get cursor for: " + path); 89 } 90 try { 91 if (cursor.moveToNext()) { 92 loadFromCursor(cursor); 93 } else { 94 throw new RuntimeException("cannot find data for: " + path); 95 } 96 } finally { 97 cursor.close(); 98 } 99 } 100 loadFromCursor(Cursor cursor)101 private void loadFromCursor(Cursor cursor) { 102 id = cursor.getInt(INDEX_ID); 103 caption = cursor.getString(INDEX_CAPTION); 104 mimeType = cursor.getString(INDEX_MIME_TYPE); 105 latitude = cursor.getDouble(INDEX_LATITUDE); 106 longitude = cursor.getDouble(INDEX_LONGITUDE); 107 dateTakenInMs = cursor.getLong(INDEX_DATE_TAKEN); 108 dateAddedInSec = cursor.getLong(INDEX_DATE_ADDED); 109 dateModifiedInSec = cursor.getLong(INDEX_DATE_MODIFIED); 110 filePath = cursor.getString(INDEX_DATA); 111 durationInSec = cursor.getInt(INDEX_DURATION) / 1000; 112 bucketId = cursor.getInt(INDEX_BUCKET_ID); 113 fileSize = cursor.getLong(INDEX_SIZE); 114 parseResolution(cursor.getString(INDEX_RESOLUTION)); 115 } 116 parseResolution(String resolution)117 private void parseResolution(String resolution) { 118 if (resolution == null) return; 119 int m = resolution.indexOf('x'); 120 if (m == -1) return; 121 try { 122 int w = Integer.parseInt(resolution.substring(0, m)); 123 int h = Integer.parseInt(resolution.substring(m + 1)); 124 width = w; 125 height = h; 126 } catch (Throwable t) { 127 Log.w(TAG, t); 128 } 129 } 130 131 @Override updateFromCursor(Cursor cursor)132 protected boolean updateFromCursor(Cursor cursor) { 133 UpdateHelper uh = new UpdateHelper(); 134 id = uh.update(id, cursor.getInt(INDEX_ID)); 135 caption = uh.update(caption, cursor.getString(INDEX_CAPTION)); 136 mimeType = uh.update(mimeType, cursor.getString(INDEX_MIME_TYPE)); 137 latitude = uh.update(latitude, cursor.getDouble(INDEX_LATITUDE)); 138 longitude = uh.update(longitude, cursor.getDouble(INDEX_LONGITUDE)); 139 dateTakenInMs = uh.update( 140 dateTakenInMs, cursor.getLong(INDEX_DATE_TAKEN)); 141 dateAddedInSec = uh.update( 142 dateAddedInSec, cursor.getLong(INDEX_DATE_ADDED)); 143 dateModifiedInSec = uh.update( 144 dateModifiedInSec, cursor.getLong(INDEX_DATE_MODIFIED)); 145 filePath = uh.update(filePath, cursor.getString(INDEX_DATA)); 146 durationInSec = uh.update( 147 durationInSec, cursor.getInt(INDEX_DURATION) / 1000); 148 bucketId = uh.update(bucketId, cursor.getInt(INDEX_BUCKET_ID)); 149 fileSize = uh.update(fileSize, cursor.getLong(INDEX_SIZE)); 150 return uh.isUpdated(); 151 } 152 153 @Override requestImage(int type)154 public Job<Bitmap> requestImage(int type) { 155 return new LocalVideoRequest(mApplication, getPath(), dateModifiedInSec, 156 type, filePath); 157 } 158 159 public static class LocalVideoRequest extends ImageCacheRequest { 160 private String mLocalFilePath; 161 LocalVideoRequest(GalleryApp application, Path path, long timeModified, int type, String localFilePath)162 LocalVideoRequest(GalleryApp application, Path path, long timeModified, 163 int type, String localFilePath) { 164 super(application, path, timeModified, type, 165 MediaItem.getTargetSize(type)); 166 mLocalFilePath = localFilePath; 167 } 168 169 @Override onDecodeOriginal(JobContext jc, int type)170 public Bitmap onDecodeOriginal(JobContext jc, int type) { 171 Bitmap bitmap = BitmapUtils.createVideoThumbnail(mLocalFilePath); 172 if (bitmap == null || jc.isCancelled()) return null; 173 return bitmap; 174 } 175 } 176 177 @Override requestLargeImage()178 public Job<BitmapRegionDecoder> requestLargeImage() { 179 throw new UnsupportedOperationException("Cannot regquest a large image" 180 + " to a local video!"); 181 } 182 183 @Override getSupportedOperations()184 public int getSupportedOperations() { 185 return SUPPORT_DELETE | SUPPORT_SHARE | SUPPORT_PLAY | SUPPORT_INFO | SUPPORT_TRIM | SUPPORT_MUTE; 186 } 187 188 @Override delete()189 public void delete() { 190 GalleryUtils.assertNotInRenderThread(); 191 Uri baseUri = Video.Media.EXTERNAL_CONTENT_URI; 192 mApplication.getContentResolver().delete(baseUri, "_id=?", 193 new String[]{String.valueOf(id)}); 194 } 195 196 @Override rotate(int degrees)197 public void rotate(int degrees) { 198 // TODO 199 } 200 201 @Override getContentUri()202 public Uri getContentUri() { 203 Uri baseUri = Video.Media.EXTERNAL_CONTENT_URI; 204 return baseUri.buildUpon().appendPath(String.valueOf(id)).build(); 205 } 206 207 @Override getPlayUri()208 public Uri getPlayUri() { 209 return getContentUri(); 210 } 211 212 @Override getMediaType()213 public int getMediaType() { 214 return MEDIA_TYPE_VIDEO; 215 } 216 217 @Override getDetails()218 public MediaDetails getDetails() { 219 MediaDetails details = super.getDetails(); 220 int s = durationInSec; 221 if (s > 0) { 222 details.addDetail(MediaDetails.INDEX_DURATION, GalleryUtils.formatDuration( 223 mApplication.getAndroidContext(), durationInSec)); 224 } 225 return details; 226 } 227 228 @Override getWidth()229 public int getWidth() { 230 return width; 231 } 232 233 @Override getHeight()234 public int getHeight() { 235 return height; 236 } 237 238 @Override getFilePath()239 public String getFilePath() { 240 return filePath; 241 } 242 } 243