Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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.externalstorage; |
| 18 | |
Jeff Sharkey | db5ef12 | 2013-10-25 17:12:49 -0700 | [diff] [blame] | 19 | import android.content.ContentResolver; |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 20 | import android.content.Context; |
Jeff Sharkey | ab1e9bd | 2014-08-04 15:32:42 -0700 | [diff] [blame] | 21 | import android.content.Intent; |
Jeff Sharkey | 6398343 | 2013-08-21 11:33:50 -0700 | [diff] [blame] | 22 | import android.content.res.AssetFileDescriptor; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 23 | import android.database.Cursor; |
| 24 | import android.database.MatrixCursor; |
Jeff Sharkey | 9d0843d | 2013-05-07 12:41:33 -0700 | [diff] [blame] | 25 | import android.database.MatrixCursor.RowBuilder; |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 26 | import android.graphics.Point; |
Jeff Sharkey | db5ef12 | 2013-10-25 17:12:49 -0700 | [diff] [blame] | 27 | import android.net.Uri; |
Felipe Leme | b012f91 | 2016-01-22 16:49:55 -0800 | [diff] [blame] | 28 | import android.os.Bundle; |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 29 | import android.os.CancellationSignal; |
Steve McKay | 5c462a0 | 2016-01-29 16:13:21 -0800 | [diff] [blame] | 30 | import android.os.Environment; |
Jeff Sharkey | db5ef12 | 2013-10-25 17:12:49 -0700 | [diff] [blame] | 31 | import android.os.FileObserver; |
Jeff Sharkey | 21de56a | 2014-04-05 19:05:24 -0700 | [diff] [blame] | 32 | import android.os.FileUtils; |
Jeff Sharkey | ab1e9bd | 2014-08-04 15:32:42 -0700 | [diff] [blame] | 33 | import android.os.Handler; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 34 | import android.os.ParcelFileDescriptor; |
Jeff Sharkey | ab1e9bd | 2014-08-04 15:32:42 -0700 | [diff] [blame] | 35 | import android.os.ParcelFileDescriptor.OnCloseListener; |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 36 | import android.os.UserHandle; |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 37 | import android.os.storage.StorageManager; |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 38 | import android.os.storage.VolumeInfo; |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 39 | import android.provider.DocumentsContract; |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 40 | import android.provider.DocumentsContract.Document; |
| 41 | import android.provider.DocumentsContract.Root; |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 42 | import android.provider.DocumentsProvider; |
Jeff Sharkey | 307d424 | 2015-09-24 18:15:13 -0700 | [diff] [blame] | 43 | import android.provider.MediaStore; |
Tomasz Mikolajewski | 68dec40 | 2015-11-25 12:54:25 +0900 | [diff] [blame] | 44 | import android.support.provider.DocumentArchiveHelper; |
Jeff Sharkey | b7e1255 | 2014-05-21 22:22:03 -0700 | [diff] [blame] | 45 | import android.text.TextUtils; |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 46 | import android.util.ArrayMap; |
| 47 | import android.util.DebugUtils; |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 48 | import android.util.Log; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 49 | import android.webkit.MimeTypeMap; |
| 50 | |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 51 | import com.android.internal.annotations.GuardedBy; |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 52 | import com.android.internal.util.IndentingPrintWriter; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 53 | |
| 54 | import java.io.File; |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 55 | import java.io.FileDescriptor; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 56 | import java.io.FileNotFoundException; |
Jeff Sharkey | 20d96d8 | 2013-07-30 17:08:39 -0700 | [diff] [blame] | 57 | import java.io.IOException; |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 58 | import java.io.PrintWriter; |
Jeff Sharkey | 20d96d8 | 2013-07-30 17:08:39 -0700 | [diff] [blame] | 59 | import java.util.LinkedList; |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 60 | import java.util.List; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 61 | |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 62 | public class ExternalStorageProvider extends DocumentsProvider { |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 63 | private static final String TAG = "ExternalStorage"; |
| 64 | |
Jeff Sharkey | db5ef12 | 2013-10-25 17:12:49 -0700 | [diff] [blame] | 65 | private static final boolean LOG_INOTIFY = false; |
| 66 | |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 67 | public static final String AUTHORITY = "com.android.externalstorage.documents"; |
| 68 | |
Makoto Onuki | 14a6df7 | 2015-07-01 14:55:14 -0700 | [diff] [blame] | 69 | private static final Uri BASE_URI = |
| 70 | new Uri.Builder().scheme(ContentResolver.SCHEME_CONTENT).authority(AUTHORITY).build(); |
| 71 | |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 72 | // docId format: root:path/to/file |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 73 | |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 74 | private static final String[] DEFAULT_ROOT_PROJECTION = new String[] { |
Jeff Sharkey | 6efba22 | 2013-09-27 16:44:11 -0700 | [diff] [blame] | 75 | Root.COLUMN_ROOT_ID, Root.COLUMN_FLAGS, Root.COLUMN_ICON, Root.COLUMN_TITLE, |
| 76 | Root.COLUMN_DOCUMENT_ID, Root.COLUMN_AVAILABLE_BYTES, |
Jeff Sharkey | 9d0843d | 2013-05-07 12:41:33 -0700 | [diff] [blame] | 77 | }; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 78 | |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 79 | private static final String[] DEFAULT_DOCUMENT_PROJECTION = new String[] { |
| 80 | Document.COLUMN_DOCUMENT_ID, Document.COLUMN_MIME_TYPE, Document.COLUMN_DISPLAY_NAME, |
| 81 | Document.COLUMN_LAST_MODIFIED, Document.COLUMN_FLAGS, Document.COLUMN_SIZE, |
| 82 | }; |
| 83 | |
| 84 | private static class RootInfo { |
| 85 | public String rootId; |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 86 | public int flags; |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 87 | public String title; |
| 88 | public String docId; |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 89 | public File visiblePath; |
| 90 | public File path; |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 91 | public boolean reportAvailableBytes = true; |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 92 | } |
| 93 | |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 94 | private static final String ROOT_ID_PRIMARY_EMULATED = "primary"; |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 95 | private static final String ROOT_ID_HOME = "home"; |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 96 | |
| 97 | private StorageManager mStorageManager; |
Jeff Sharkey | ab1e9bd | 2014-08-04 15:32:42 -0700 | [diff] [blame] | 98 | private Handler mHandler; |
Tomasz Mikolajewski | 68dec40 | 2015-11-25 12:54:25 +0900 | [diff] [blame] | 99 | private DocumentArchiveHelper mArchiveHelper; |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 100 | |
| 101 | private final Object mRootsLock = new Object(); |
| 102 | |
| 103 | @GuardedBy("mRootsLock") |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 104 | private ArrayMap<String, RootInfo> mRoots = new ArrayMap<>(); |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 105 | |
Jeff Sharkey | db5ef12 | 2013-10-25 17:12:49 -0700 | [diff] [blame] | 106 | @GuardedBy("mObservers") |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 107 | private ArrayMap<File, DirectoryObserver> mObservers = new ArrayMap<>(); |
Jeff Sharkey | db5ef12 | 2013-10-25 17:12:49 -0700 | [diff] [blame] | 108 | |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 109 | @Override |
| 110 | public boolean onCreate() { |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 111 | mStorageManager = (StorageManager) getContext().getSystemService(Context.STORAGE_SERVICE); |
Jeff Sharkey | ab1e9bd | 2014-08-04 15:32:42 -0700 | [diff] [blame] | 112 | mHandler = new Handler(); |
Tomasz Mikolajewski | 68dec40 | 2015-11-25 12:54:25 +0900 | [diff] [blame] | 113 | mArchiveHelper = new DocumentArchiveHelper(this, (char) 0); |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 114 | |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 115 | updateVolumes(); |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 116 | return true; |
| 117 | } |
| 118 | |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 119 | public void updateVolumes() { |
| 120 | synchronized (mRootsLock) { |
| 121 | updateVolumesLocked(); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | private void updateVolumesLocked() { |
| 126 | mRoots.clear(); |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 127 | |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 128 | VolumeInfo primaryVolume = null; |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 129 | final int userId = UserHandle.myUserId(); |
| 130 | final List<VolumeInfo> volumes = mStorageManager.getVolumes(); |
| 131 | for (VolumeInfo volume : volumes) { |
| 132 | if (!volume.isMountedReadable()) continue; |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 133 | |
| 134 | final String rootId; |
Jeff Sharkey | b521fea | 2015-06-15 21:09:10 -0700 | [diff] [blame] | 135 | final String title; |
| 136 | if (volume.getType() == VolumeInfo.TYPE_EMULATED) { |
| 137 | // We currently only support a single emulated volume mounted at |
| 138 | // a time, and it's always considered the primary |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 139 | rootId = ROOT_ID_PRIMARY_EMULATED; |
Jeff Sharkey | b521fea | 2015-06-15 21:09:10 -0700 | [diff] [blame] | 140 | if (VolumeInfo.ID_EMULATED_INTERNAL.equals(volume.getId())) { |
| 141 | title = getContext().getString(R.string.root_internal_storage); |
| 142 | } else { |
| 143 | final VolumeInfo privateVol = mStorageManager.findPrivateForEmulated(volume); |
| 144 | title = mStorageManager.getBestVolumeDescription(privateVol); |
| 145 | } |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 146 | } else if (volume.getType() == VolumeInfo.TYPE_PUBLIC) { |
| 147 | rootId = volume.getFsUuid(); |
Jeff Sharkey | b521fea | 2015-06-15 21:09:10 -0700 | [diff] [blame] | 148 | title = mStorageManager.getBestVolumeDescription(volume); |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 149 | } else { |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 150 | // Unsupported volume; ignore |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 151 | continue; |
| 152 | } |
| 153 | |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 154 | if (TextUtils.isEmpty(rootId)) { |
| 155 | Log.d(TAG, "Missing UUID for " + volume.getId() + "; skipping"); |
| 156 | continue; |
| 157 | } |
| 158 | if (mRoots.containsKey(rootId)) { |
| 159 | Log.w(TAG, "Duplicate UUID " + rootId + " for " + volume.getId() + "; skipping"); |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 160 | continue; |
| 161 | } |
| 162 | |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 163 | final RootInfo root = new RootInfo(); |
| 164 | mRoots.put(rootId, root); |
| 165 | |
| 166 | root.rootId = rootId; |
Steve McKay | efa1761 | 2016-01-29 18:15:39 -0800 | [diff] [blame] | 167 | root.flags = Root.FLAG_LOCAL_ONLY |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 168 | | Root.FLAG_SUPPORTS_SEARCH | Root.FLAG_SUPPORTS_IS_CHILD; |
| 169 | |
Steve McKay | efa1761 | 2016-01-29 18:15:39 -0800 | [diff] [blame] | 170 | if (volume.isPrimary()) { |
| 171 | // save off the primary volume for subsequent "Home" dir initialization. |
| 172 | primaryVolume = volume; |
| 173 | root.flags |= Root.FLAG_ADVANCED; |
| 174 | } |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 175 | // Dunno when this would NOT be the case, but never hurts to be correct. |
| 176 | if (volume.isMountedWritable()) { |
| 177 | root.flags |= Root.FLAG_SUPPORTS_CREATE; |
| 178 | } |
| 179 | root.title = title; |
| 180 | if (volume.getType() == VolumeInfo.TYPE_PUBLIC) { |
| 181 | root.flags |= Root.FLAG_HAS_SETTINGS; |
| 182 | } |
| 183 | if (volume.isVisibleForRead(userId)) { |
| 184 | root.visiblePath = volume.getPathForUser(userId); |
| 185 | } else { |
| 186 | root.visiblePath = null; |
| 187 | } |
| 188 | root.path = volume.getInternalPathForUser(userId); |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 189 | try { |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 190 | root.docId = getDocIdForFile(root.path); |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 191 | } catch (FileNotFoundException e) { |
| 192 | throw new IllegalStateException(e); |
| 193 | } |
| 194 | } |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 195 | |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 196 | // Finally, if primary storage is available we add the "Home" directory, |
| 197 | // creating it as needed. |
| 198 | if (primaryVolume != null && primaryVolume.isVisible()) { |
| 199 | final RootInfo root = new RootInfo(); |
| 200 | root.rootId = ROOT_ID_HOME; |
| 201 | mRoots.put(root.rootId, root); |
Steve McKay | ab3b893 | 2016-02-16 11:37:03 -0800 | [diff] [blame] | 202 | root.title = getContext().getString(R.string.root_documents); |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 203 | |
| 204 | // Only report bytes on *volumes*...as a matter of policy. |
| 205 | root.reportAvailableBytes = false; |
| 206 | root.flags = Root.FLAG_LOCAL_ONLY | Root.FLAG_SUPPORTS_SEARCH |
| 207 | | Root.FLAG_SUPPORTS_IS_CHILD; |
| 208 | |
| 209 | // Dunno when this would NOT be the case, but never hurts to be correct. |
| 210 | if (primaryVolume.isMountedWritable()) { |
| 211 | root.flags |= Root.FLAG_SUPPORTS_CREATE; |
| 212 | } |
| 213 | |
Steve McKay | 5c462a0 | 2016-01-29 16:13:21 -0800 | [diff] [blame] | 214 | // Create the "Home" directory on disk, but don't the localized root.title |
| 215 | // since the directories shouldn't be localized. |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 216 | root.visiblePath = new File( |
Steve McKay | ab3b893 | 2016-02-16 11:37:03 -0800 | [diff] [blame] | 217 | primaryVolume.getPathForUser(userId), Environment.DIRECTORY_DOCUMENTS); |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 218 | root.path = new File( |
Steve McKay | ab3b893 | 2016-02-16 11:37:03 -0800 | [diff] [blame] | 219 | primaryVolume.getInternalPathForUser(userId), Environment.DIRECTORY_DOCUMENTS); |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 220 | try { |
| 221 | root.docId = getDocIdForFile(root.path); |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 222 | } catch (FileNotFoundException e) { |
| 223 | throw new IllegalStateException(e); |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | Log.d(TAG, "After updating volumes, found " + mRoots.size() + " active roots"); |
| 228 | |
Makoto Onuki | 14a6df7 | 2015-07-01 14:55:14 -0700 | [diff] [blame] | 229 | // Note this affects content://com.android.externalstorage.documents/root/39BD-07C5 |
| 230 | // as well as content://com.android.externalstorage.documents/document/*/children, |
| 231 | // so just notify on content://com.android.externalstorage.documents/. |
| 232 | getContext().getContentResolver().notifyChange(BASE_URI, null, false); |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 233 | } |
| 234 | |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 235 | private static String[] resolveRootProjection(String[] projection) { |
| 236 | return projection != null ? projection : DEFAULT_ROOT_PROJECTION; |
| 237 | } |
| 238 | |
| 239 | private static String[] resolveDocumentProjection(String[] projection) { |
| 240 | return projection != null ? projection : DEFAULT_DOCUMENT_PROJECTION; |
| 241 | } |
| 242 | |
Felipe Leme | b012f91 | 2016-01-22 16:49:55 -0800 | [diff] [blame] | 243 | |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 244 | private String getDocIdForFile(File file) throws FileNotFoundException { |
Felipe Leme | b012f91 | 2016-01-22 16:49:55 -0800 | [diff] [blame] | 245 | return getDocIdForFileMaybeCreate(file, false); |
| 246 | } |
| 247 | |
| 248 | private String getDocIdForFileMaybeCreate(File file, boolean createNewDir) |
| 249 | throws FileNotFoundException { |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 250 | String path = file.getAbsolutePath(); |
Jeff Sharkey | 92d7e69 | 2013-08-02 10:33:21 -0700 | [diff] [blame] | 251 | |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 252 | // Find the most-specific root path |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 253 | String mostSpecificId = null; |
| 254 | String mostSpecificPath = null; |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 255 | synchronized (mRootsLock) { |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 256 | for (int i = 0; i < mRoots.size(); i++) { |
| 257 | final String rootId = mRoots.keyAt(i); |
| 258 | final String rootPath = mRoots.valueAt(i).path.getAbsolutePath(); |
| 259 | if (path.startsWith(rootPath) && (mostSpecificPath == null |
| 260 | || rootPath.length() > mostSpecificPath.length())) { |
| 261 | mostSpecificId = rootId; |
| 262 | mostSpecificPath = rootPath; |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 263 | } |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 264 | } |
| 265 | } |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 266 | |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 267 | if (mostSpecificPath == null) { |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 268 | throw new FileNotFoundException("Failed to find root that contains " + path); |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 269 | } |
Jeff Sharkey | 20d96d8 | 2013-07-30 17:08:39 -0700 | [diff] [blame] | 270 | |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 271 | // Start at first char of path under root |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 272 | final String rootPath = mostSpecificPath; |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 273 | if (rootPath.equals(path)) { |
| 274 | path = ""; |
| 275 | } else if (rootPath.endsWith("/")) { |
| 276 | path = path.substring(rootPath.length()); |
Jeff Sharkey | 92d7e69 | 2013-08-02 10:33:21 -0700 | [diff] [blame] | 277 | } else { |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 278 | path = path.substring(rootPath.length() + 1); |
Jeff Sharkey | 92d7e69 | 2013-08-02 10:33:21 -0700 | [diff] [blame] | 279 | } |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 280 | |
Felipe Leme | b012f91 | 2016-01-22 16:49:55 -0800 | [diff] [blame] | 281 | if (!file.exists() && createNewDir) { |
| 282 | Log.i(TAG, "Creating new directory " + file); |
| 283 | if (!file.mkdir()) { |
| 284 | Log.e(TAG, "Could not create directory " + file); |
| 285 | } |
| 286 | } |
| 287 | |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 288 | return mostSpecificId + ':' + path; |
Jeff Sharkey | 20d96d8 | 2013-07-30 17:08:39 -0700 | [diff] [blame] | 289 | } |
| 290 | |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 291 | private File getFileForDocId(String docId) throws FileNotFoundException { |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 292 | return getFileForDocId(docId, false); |
| 293 | } |
| 294 | |
| 295 | private File getFileForDocId(String docId, boolean visible) throws FileNotFoundException { |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 296 | final int splitIndex = docId.indexOf(':', 1); |
| 297 | final String tag = docId.substring(0, splitIndex); |
| 298 | final String path = docId.substring(splitIndex + 1); |
| 299 | |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 300 | RootInfo root; |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 301 | synchronized (mRootsLock) { |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 302 | root = mRoots.get(tag); |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 303 | } |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 304 | if (root == null) { |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 305 | throw new FileNotFoundException("No root for " + tag); |
| 306 | } |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 307 | |
| 308 | File target = visible ? root.visiblePath : root.path; |
| 309 | if (target == null) { |
| 310 | return null; |
| 311 | } |
Jeff Sharkey | 3e1189b | 2013-09-12 21:59:06 -0700 | [diff] [blame] | 312 | if (!target.exists()) { |
| 313 | target.mkdirs(); |
| 314 | } |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 315 | target = new File(target, path); |
| 316 | if (!target.exists()) { |
| 317 | throw new FileNotFoundException("Missing file for " + docId + " at " + target); |
| 318 | } |
| 319 | return target; |
| 320 | } |
| 321 | |
| 322 | private void includeFile(MatrixCursor result, String docId, File file) |
| 323 | throws FileNotFoundException { |
| 324 | if (docId == null) { |
| 325 | docId = getDocIdForFile(file); |
Jeff Sharkey | 92d7e69 | 2013-08-02 10:33:21 -0700 | [diff] [blame] | 326 | } else { |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 327 | file = getFileForDocId(docId); |
Jeff Sharkey | 92d7e69 | 2013-08-02 10:33:21 -0700 | [diff] [blame] | 328 | } |
Jeff Sharkey | 92d7e69 | 2013-08-02 10:33:21 -0700 | [diff] [blame] | 329 | |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 330 | int flags = 0; |
| 331 | |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 332 | if (file.canWrite()) { |
Jeff Sharkey | 2a030b0 | 2013-09-26 10:54:16 -0700 | [diff] [blame] | 333 | if (file.isDirectory()) { |
| 334 | flags |= Document.FLAG_DIR_SUPPORTS_CREATE; |
Jeff Sharkey | b7e1255 | 2014-05-21 22:22:03 -0700 | [diff] [blame] | 335 | flags |= Document.FLAG_SUPPORTS_DELETE; |
| 336 | flags |= Document.FLAG_SUPPORTS_RENAME; |
Tomasz Mikolajewski | 2273e0f | 2015-11-04 18:24:09 +0900 | [diff] [blame] | 337 | flags |= Document.FLAG_SUPPORTS_MOVE; |
Jeff Sharkey | 2a030b0 | 2013-09-26 10:54:16 -0700 | [diff] [blame] | 338 | } else { |
| 339 | flags |= Document.FLAG_SUPPORTS_WRITE; |
Jeff Sharkey | 21de56a | 2014-04-05 19:05:24 -0700 | [diff] [blame] | 340 | flags |= Document.FLAG_SUPPORTS_DELETE; |
Jeff Sharkey | b7e1255 | 2014-05-21 22:22:03 -0700 | [diff] [blame] | 341 | flags |= Document.FLAG_SUPPORTS_RENAME; |
Tomasz Mikolajewski | 2273e0f | 2015-11-04 18:24:09 +0900 | [diff] [blame] | 342 | flags |= Document.FLAG_SUPPORTS_MOVE; |
Jeff Sharkey | 2a030b0 | 2013-09-26 10:54:16 -0700 | [diff] [blame] | 343 | } |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 344 | } |
| 345 | |
Jeff Sharkey | 20d96d8 | 2013-07-30 17:08:39 -0700 | [diff] [blame] | 346 | final String mimeType = getTypeForFile(file); |
Tomasz Mikolajewski | 68dec40 | 2015-11-25 12:54:25 +0900 | [diff] [blame] | 347 | if (mArchiveHelper.isSupportedArchiveType(mimeType)) { |
| 348 | flags |= Document.FLAG_ARCHIVE; |
| 349 | } |
| 350 | |
| 351 | final String displayName = file.getName(); |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 352 | if (mimeType.startsWith("image/")) { |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 353 | flags |= Document.FLAG_SUPPORTS_THUMBNAIL; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 354 | } |
| 355 | |
Jeff Sharkey | 9d0843d | 2013-05-07 12:41:33 -0700 | [diff] [blame] | 356 | final RowBuilder row = result.newRow(); |
Jeff Sharkey | b7757a6 | 2013-09-09 17:46:54 -0700 | [diff] [blame] | 357 | row.add(Document.COLUMN_DOCUMENT_ID, docId); |
| 358 | row.add(Document.COLUMN_DISPLAY_NAME, displayName); |
| 359 | row.add(Document.COLUMN_SIZE, file.length()); |
| 360 | row.add(Document.COLUMN_MIME_TYPE, mimeType); |
Jeff Sharkey | b7757a6 | 2013-09-09 17:46:54 -0700 | [diff] [blame] | 361 | row.add(Document.COLUMN_FLAGS, flags); |
Tomasz Mikolajewski | 68dec40 | 2015-11-25 12:54:25 +0900 | [diff] [blame] | 362 | row.add(DocumentArchiveHelper.COLUMN_LOCAL_FILE_PATH, file.getPath()); |
Jeff Sharkey | d5a4658 | 2013-10-11 09:49:03 -0700 | [diff] [blame] | 363 | |
| 364 | // Only publish dates reasonably after epoch |
| 365 | long lastModified = file.lastModified(); |
| 366 | if (lastModified > 31536000000L) { |
| 367 | row.add(Document.COLUMN_LAST_MODIFIED, lastModified); |
| 368 | } |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 369 | } |
| 370 | |
| 371 | @Override |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 372 | public Cursor queryRoots(String[] projection) throws FileNotFoundException { |
| 373 | final MatrixCursor result = new MatrixCursor(resolveRootProjection(projection)); |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 374 | synchronized (mRootsLock) { |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 375 | for (RootInfo root : mRoots.values()) { |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 376 | final RowBuilder row = result.newRow(); |
| 377 | row.add(Root.COLUMN_ROOT_ID, root.rootId); |
| 378 | row.add(Root.COLUMN_FLAGS, root.flags); |
| 379 | row.add(Root.COLUMN_TITLE, root.title); |
| 380 | row.add(Root.COLUMN_DOCUMENT_ID, root.docId); |
Steve McKay | c6a4cd8 | 2015-11-18 14:56:50 -0800 | [diff] [blame] | 381 | row.add(Root.COLUMN_AVAILABLE_BYTES, |
| 382 | root.reportAvailableBytes ? root.path.getFreeSpace() : -1); |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 383 | } |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 384 | } |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 385 | return result; |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 386 | } |
| 387 | |
| 388 | @Override |
Jeff Sharkey | 21de56a | 2014-04-05 19:05:24 -0700 | [diff] [blame] | 389 | public boolean isChildDocument(String parentDocId, String docId) { |
| 390 | try { |
Tomasz Mikolajewski | 68dec40 | 2015-11-25 12:54:25 +0900 | [diff] [blame] | 391 | if (mArchiveHelper.isArchivedDocument(docId)) { |
| 392 | return mArchiveHelper.isChildDocument(parentDocId, docId); |
| 393 | } |
| 394 | |
Jeff Sharkey | 21de56a | 2014-04-05 19:05:24 -0700 | [diff] [blame] | 395 | final File parent = getFileForDocId(parentDocId).getCanonicalFile(); |
| 396 | final File doc = getFileForDocId(docId).getCanonicalFile(); |
| 397 | return FileUtils.contains(parent, doc); |
| 398 | } catch (IOException e) { |
| 399 | throw new IllegalArgumentException( |
| 400 | "Failed to determine if " + docId + " is child of " + parentDocId + ": " + e); |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | @Override |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 405 | public String createDocument(String docId, String mimeType, String displayName) |
| 406 | throws FileNotFoundException { |
Jeff Sharkey | 0cce535 | 2014-11-26 13:38:26 -0800 | [diff] [blame] | 407 | displayName = FileUtils.buildValidFatFilename(displayName); |
| 408 | |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 409 | final File parent = getFileForDocId(docId); |
Jeff Sharkey | 21de56a | 2014-04-05 19:05:24 -0700 | [diff] [blame] | 410 | if (!parent.isDirectory()) { |
| 411 | throw new IllegalArgumentException("Parent document isn't a directory"); |
| 412 | } |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 413 | |
Ben Kwa | 62539a2 | 2015-04-22 15:43:17 -0700 | [diff] [blame] | 414 | final File file = FileUtils.buildUniqueFile(parent, mimeType, displayName); |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 415 | if (Document.MIME_TYPE_DIR.equals(mimeType)) { |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 416 | if (!file.mkdir()) { |
| 417 | throw new IllegalStateException("Failed to mkdir " + file); |
Jeff Sharkey | a5599ef | 2013-08-15 16:17:41 -0700 | [diff] [blame] | 418 | } |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 419 | } else { |
| 420 | try { |
| 421 | if (!file.createNewFile()) { |
| 422 | throw new IllegalStateException("Failed to touch " + file); |
| 423 | } |
| 424 | } catch (IOException e) { |
| 425 | throw new IllegalStateException("Failed to touch " + file + ": " + e); |
Jeff Sharkey | a5599ef | 2013-08-15 16:17:41 -0700 | [diff] [blame] | 426 | } |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 427 | } |
Jeff Sharkey | 0cce535 | 2014-11-26 13:38:26 -0800 | [diff] [blame] | 428 | |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 429 | return getDocIdForFile(file); |
| 430 | } |
| 431 | |
| 432 | @Override |
Jeff Sharkey | b7e1255 | 2014-05-21 22:22:03 -0700 | [diff] [blame] | 433 | public String renameDocument(String docId, String displayName) throws FileNotFoundException { |
Jeff Sharkey | 0cce535 | 2014-11-26 13:38:26 -0800 | [diff] [blame] | 434 | // Since this provider treats renames as generating a completely new |
| 435 | // docId, we're okay with letting the MIME type change. |
| 436 | displayName = FileUtils.buildValidFatFilename(displayName); |
| 437 | |
Jeff Sharkey | b7e1255 | 2014-05-21 22:22:03 -0700 | [diff] [blame] | 438 | final File before = getFileForDocId(docId); |
| 439 | final File after = new File(before.getParentFile(), displayName); |
| 440 | if (after.exists()) { |
| 441 | throw new IllegalStateException("Already exists " + after); |
| 442 | } |
| 443 | if (!before.renameTo(after)) { |
| 444 | throw new IllegalStateException("Failed to rename to " + after); |
| 445 | } |
| 446 | final String afterDocId = getDocIdForFile(after); |
| 447 | if (!TextUtils.equals(docId, afterDocId)) { |
| 448 | return afterDocId; |
| 449 | } else { |
| 450 | return null; |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | @Override |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 455 | public void deleteDocument(String docId) throws FileNotFoundException { |
| 456 | final File file = getFileForDocId(docId); |
Jeff Sharkey | 307d424 | 2015-09-24 18:15:13 -0700 | [diff] [blame] | 457 | final boolean isDirectory = file.isDirectory(); |
| 458 | if (isDirectory) { |
Jeff Sharkey | b7e1255 | 2014-05-21 22:22:03 -0700 | [diff] [blame] | 459 | FileUtils.deleteContents(file); |
| 460 | } |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 461 | if (!file.delete()) { |
| 462 | throw new IllegalStateException("Failed to delete " + file); |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 463 | } |
Jeff Sharkey | 307d424 | 2015-09-24 18:15:13 -0700 | [diff] [blame] | 464 | |
| 465 | final ContentResolver resolver = getContext().getContentResolver(); |
| 466 | final Uri externalUri = MediaStore.Files.getContentUri("external"); |
| 467 | |
| 468 | // Remove media store entries for any files inside this directory, using |
| 469 | // path prefix match. Logic borrowed from MtpDatabase. |
| 470 | if (isDirectory) { |
| 471 | final String path = file.getAbsolutePath() + "/"; |
| 472 | resolver.delete(externalUri, |
| 473 | "_data LIKE ?1 AND lower(substr(_data,1,?2))=lower(?3)", |
| 474 | new String[] { path + "%", Integer.toString(path.length()), path }); |
| 475 | } |
| 476 | |
| 477 | // Remove media store entry for this exact file. |
| 478 | final String path = file.getAbsolutePath(); |
| 479 | resolver.delete(externalUri, |
| 480 | "_data LIKE ?1 AND lower(_data)=lower(?2)", |
| 481 | new String[] { path, path }); |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 482 | } |
| 483 | |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 484 | @Override |
Tomasz Mikolajewski | d46ecbc | 2016-01-25 14:26:54 +0900 | [diff] [blame] | 485 | public String moveDocument(String sourceDocumentId, String sourceParentDocumentId, |
| 486 | String targetParentDocumentId) |
Tomasz Mikolajewski | 2273e0f | 2015-11-04 18:24:09 +0900 | [diff] [blame] | 487 | throws FileNotFoundException { |
| 488 | final File before = getFileForDocId(sourceDocumentId); |
| 489 | final File after = new File(getFileForDocId(targetParentDocumentId), before.getName()); |
| 490 | |
| 491 | if (after.exists()) { |
| 492 | throw new IllegalStateException("Already exists " + after); |
| 493 | } |
| 494 | if (!before.renameTo(after)) { |
| 495 | throw new IllegalStateException("Failed to move to " + after); |
| 496 | } |
| 497 | return getDocIdForFile(after); |
| 498 | } |
| 499 | |
| 500 | @Override |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 501 | public Cursor queryDocument(String documentId, String[] projection) |
| 502 | throws FileNotFoundException { |
Tomasz Mikolajewski | 68dec40 | 2015-11-25 12:54:25 +0900 | [diff] [blame] | 503 | if (mArchiveHelper.isArchivedDocument(documentId)) { |
| 504 | return mArchiveHelper.queryDocument(documentId, projection); |
| 505 | } |
| 506 | |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 507 | final MatrixCursor result = new MatrixCursor(resolveDocumentProjection(projection)); |
| 508 | includeFile(result, documentId, null); |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 509 | return result; |
| 510 | } |
| 511 | |
| 512 | @Override |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 513 | public Cursor queryChildDocuments( |
| 514 | String parentDocumentId, String[] projection, String sortOrder) |
| 515 | throws FileNotFoundException { |
Tomasz Mikolajewski | 68dec40 | 2015-11-25 12:54:25 +0900 | [diff] [blame] | 516 | if (mArchiveHelper.isArchivedDocument(parentDocumentId) || |
| 517 | mArchiveHelper.isSupportedArchiveType(getDocumentType(parentDocumentId))) { |
| 518 | return mArchiveHelper.queryChildDocuments(parentDocumentId, projection, sortOrder); |
| 519 | } |
| 520 | |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 521 | final File parent = getFileForDocId(parentDocumentId); |
Jeff Sharkey | db5ef12 | 2013-10-25 17:12:49 -0700 | [diff] [blame] | 522 | final MatrixCursor result = new DirectoryCursor( |
| 523 | resolveDocumentProjection(projection), parentDocumentId, parent); |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 524 | for (File file : parent.listFiles()) { |
| 525 | includeFile(result, null, file); |
| 526 | } |
| 527 | return result; |
| 528 | } |
| 529 | |
| 530 | @Override |
Jeff Sharkey | 3e1189b | 2013-09-12 21:59:06 -0700 | [diff] [blame] | 531 | public Cursor querySearchDocuments(String rootId, String query, String[] projection) |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 532 | throws FileNotFoundException { |
| 533 | final MatrixCursor result = new MatrixCursor(resolveDocumentProjection(projection)); |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 534 | |
| 535 | final File parent; |
| 536 | synchronized (mRootsLock) { |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 537 | parent = mRoots.get(rootId).path; |
Jeff Sharkey | 1f706c6 | 2013-10-17 10:52:17 -0700 | [diff] [blame] | 538 | } |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 539 | |
| 540 | final LinkedList<File> pending = new LinkedList<File>(); |
| 541 | pending.add(parent); |
Jeff Sharkey | 4ec9739 | 2013-09-10 12:04:26 -0700 | [diff] [blame] | 542 | while (!pending.isEmpty() && result.getCount() < 24) { |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 543 | final File file = pending.removeFirst(); |
| 544 | if (file.isDirectory()) { |
| 545 | for (File child : file.listFiles()) { |
| 546 | pending.add(child); |
| 547 | } |
Jeff Sharkey | 4ec9739 | 2013-09-10 12:04:26 -0700 | [diff] [blame] | 548 | } |
| 549 | if (file.getName().toLowerCase().contains(query)) { |
| 550 | includeFile(result, null, file); |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 551 | } |
| 552 | } |
| 553 | return result; |
| 554 | } |
| 555 | |
| 556 | @Override |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 557 | public String getDocumentType(String documentId) throws FileNotFoundException { |
Tomasz Mikolajewski | 68dec40 | 2015-11-25 12:54:25 +0900 | [diff] [blame] | 558 | if (mArchiveHelper.isArchivedDocument(documentId)) { |
| 559 | return mArchiveHelper.getDocumentType(documentId); |
| 560 | } |
| 561 | |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 562 | final File file = getFileForDocId(documentId); |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 563 | return getTypeForFile(file); |
| 564 | } |
| 565 | |
| 566 | @Override |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 567 | public ParcelFileDescriptor openDocument( |
| 568 | String documentId, String mode, CancellationSignal signal) |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 569 | throws FileNotFoundException { |
Tomasz Mikolajewski | 68dec40 | 2015-11-25 12:54:25 +0900 | [diff] [blame] | 570 | if (mArchiveHelper.isArchivedDocument(documentId)) { |
| 571 | return mArchiveHelper.openDocument(documentId, mode, signal); |
| 572 | } |
| 573 | |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 574 | final File file = getFileForDocId(documentId); |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 575 | final File visibleFile = getFileForDocId(documentId, true); |
| 576 | |
Jeff Sharkey | ab1e9bd | 2014-08-04 15:32:42 -0700 | [diff] [blame] | 577 | final int pfdMode = ParcelFileDescriptor.parseMode(mode); |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 578 | if (pfdMode == ParcelFileDescriptor.MODE_READ_ONLY || visibleFile == null) { |
Jeff Sharkey | ab1e9bd | 2014-08-04 15:32:42 -0700 | [diff] [blame] | 579 | return ParcelFileDescriptor.open(file, pfdMode); |
| 580 | } else { |
| 581 | try { |
| 582 | // When finished writing, kick off media scanner |
| 583 | return ParcelFileDescriptor.open(file, pfdMode, mHandler, new OnCloseListener() { |
| 584 | @Override |
| 585 | public void onClose(IOException e) { |
| 586 | final Intent intent = new Intent( |
| 587 | Intent.ACTION_MEDIA_SCANNER_SCAN_FILE); |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 588 | intent.setData(Uri.fromFile(visibleFile)); |
Jeff Sharkey | ab1e9bd | 2014-08-04 15:32:42 -0700 | [diff] [blame] | 589 | getContext().sendBroadcast(intent); |
| 590 | } |
| 591 | }); |
| 592 | } catch (IOException e) { |
| 593 | throw new FileNotFoundException("Failed to open for writing: " + e); |
| 594 | } |
| 595 | } |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 596 | } |
| 597 | |
| 598 | @Override |
| 599 | public AssetFileDescriptor openDocumentThumbnail( |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 600 | String documentId, Point sizeHint, CancellationSignal signal) |
| 601 | throws FileNotFoundException { |
Tomasz Mikolajewski | 7e326a8 | 2015-12-22 11:14:35 +0900 | [diff] [blame] | 602 | if (mArchiveHelper.isArchivedDocument(documentId)) { |
| 603 | return mArchiveHelper.openDocumentThumbnail(documentId, sizeHint, signal); |
| 604 | } |
| 605 | |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 606 | final File file = getFileForDocId(documentId); |
Jeff Sharkey | c1c8f3f | 2013-10-14 14:57:33 -0700 | [diff] [blame] | 607 | return DocumentsContract.openImageThumbnail(file); |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 608 | } |
| 609 | |
Jeff Sharkey | 27de30d | 2015-04-18 16:20:27 -0700 | [diff] [blame] | 610 | @Override |
| 611 | public void dump(FileDescriptor fd, PrintWriter writer, String[] args) { |
| 612 | final IndentingPrintWriter pw = new IndentingPrintWriter(writer, " ", 160); |
| 613 | synchronized (mRootsLock) { |
| 614 | for (int i = 0; i < mRoots.size(); i++) { |
| 615 | final RootInfo root = mRoots.valueAt(i); |
| 616 | pw.println("Root{" + root.rootId + "}:"); |
| 617 | pw.increaseIndent(); |
| 618 | pw.printPair("flags", DebugUtils.flagsToString(Root.class, "FLAG_", root.flags)); |
| 619 | pw.println(); |
| 620 | pw.printPair("title", root.title); |
| 621 | pw.printPair("docId", root.docId); |
| 622 | pw.println(); |
| 623 | pw.printPair("path", root.path); |
| 624 | pw.printPair("visiblePath", root.visiblePath); |
| 625 | pw.decreaseIndent(); |
| 626 | pw.println(); |
| 627 | } |
| 628 | } |
| 629 | } |
| 630 | |
Felipe Leme | b012f91 | 2016-01-22 16:49:55 -0800 | [diff] [blame] | 631 | @Override |
| 632 | public Bundle call(String method, String arg, Bundle extras) { |
| 633 | Bundle bundle = super.call(method, arg, extras); |
| 634 | if (bundle == null && !TextUtils.isEmpty(method)) { |
| 635 | switch (method) { |
| 636 | case "getDocIdForFileCreateNewDir": { |
| 637 | getContext().enforceCallingPermission( |
| 638 | android.Manifest.permission.MANAGE_DOCUMENTS, null); |
| 639 | if (TextUtils.isEmpty(arg)) { |
| 640 | return null; |
| 641 | } |
| 642 | try { |
| 643 | final String docId = getDocIdForFileMaybeCreate(new File(arg), true); |
| 644 | bundle = new Bundle(); |
| 645 | bundle.putString("DOC_ID", docId); |
| 646 | } catch (FileNotFoundException e) { |
| 647 | Log.w(TAG, "file '" + arg + "' not found"); |
| 648 | return null; |
| 649 | } |
| 650 | break; |
| 651 | } |
| 652 | default: |
| 653 | Log.w(TAG, "unknown method passed to call(): " + method); |
| 654 | } |
| 655 | } |
| 656 | return bundle; |
| 657 | } |
| 658 | |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 659 | private static String getTypeForFile(File file) { |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 660 | if (file.isDirectory()) { |
Jeff Sharkey | ae9b51b | 2013-08-31 15:02:20 -0700 | [diff] [blame] | 661 | return Document.MIME_TYPE_DIR; |
Jeff Sharkey | 20d96d8 | 2013-07-30 17:08:39 -0700 | [diff] [blame] | 662 | } else { |
| 663 | return getTypeForName(file.getName()); |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 664 | } |
Jeff Sharkey | 20d96d8 | 2013-07-30 17:08:39 -0700 | [diff] [blame] | 665 | } |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 666 | |
Jeff Sharkey | aeb16e2 | 2013-08-27 18:26:48 -0700 | [diff] [blame] | 667 | private static String getTypeForName(String name) { |
Jeff Sharkey | 20d96d8 | 2013-07-30 17:08:39 -0700 | [diff] [blame] | 668 | final int lastDot = name.lastIndexOf('.'); |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 669 | if (lastDot >= 0) { |
Jeff Sharkey | 96c6205 | 2013-10-25 16:30:54 -0700 | [diff] [blame] | 670 | final String extension = name.substring(lastDot + 1).toLowerCase(); |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 671 | final String mime = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension); |
| 672 | if (mime != null) { |
| 673 | return mime; |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | return "application/octet-stream"; |
| 678 | } |
| 679 | |
Jeff Sharkey | db5ef12 | 2013-10-25 17:12:49 -0700 | [diff] [blame] | 680 | private void startObserving(File file, Uri notifyUri) { |
| 681 | synchronized (mObservers) { |
| 682 | DirectoryObserver observer = mObservers.get(file); |
| 683 | if (observer == null) { |
| 684 | observer = new DirectoryObserver( |
| 685 | file, getContext().getContentResolver(), notifyUri); |
| 686 | observer.startWatching(); |
| 687 | mObservers.put(file, observer); |
| 688 | } |
| 689 | observer.mRefCount++; |
| 690 | |
| 691 | if (LOG_INOTIFY) Log.d(TAG, "after start: " + observer); |
| 692 | } |
| 693 | } |
| 694 | |
| 695 | private void stopObserving(File file) { |
| 696 | synchronized (mObservers) { |
| 697 | DirectoryObserver observer = mObservers.get(file); |
| 698 | if (observer == null) return; |
| 699 | |
| 700 | observer.mRefCount--; |
| 701 | if (observer.mRefCount == 0) { |
| 702 | mObservers.remove(file); |
| 703 | observer.stopWatching(); |
| 704 | } |
| 705 | |
| 706 | if (LOG_INOTIFY) Log.d(TAG, "after stop: " + observer); |
| 707 | } |
| 708 | } |
| 709 | |
| 710 | private static class DirectoryObserver extends FileObserver { |
| 711 | private static final int NOTIFY_EVENTS = ATTRIB | CLOSE_WRITE | MOVED_FROM | MOVED_TO |
| 712 | | CREATE | DELETE | DELETE_SELF | MOVE_SELF; |
| 713 | |
| 714 | private final File mFile; |
| 715 | private final ContentResolver mResolver; |
| 716 | private final Uri mNotifyUri; |
| 717 | |
| 718 | private int mRefCount = 0; |
| 719 | |
| 720 | public DirectoryObserver(File file, ContentResolver resolver, Uri notifyUri) { |
| 721 | super(file.getAbsolutePath(), NOTIFY_EVENTS); |
| 722 | mFile = file; |
| 723 | mResolver = resolver; |
| 724 | mNotifyUri = notifyUri; |
| 725 | } |
| 726 | |
| 727 | @Override |
| 728 | public void onEvent(int event, String path) { |
| 729 | if ((event & NOTIFY_EVENTS) != 0) { |
| 730 | if (LOG_INOTIFY) Log.d(TAG, "onEvent() " + event + " at " + path); |
| 731 | mResolver.notifyChange(mNotifyUri, null, false); |
| 732 | } |
| 733 | } |
| 734 | |
| 735 | @Override |
| 736 | public String toString() { |
| 737 | return "DirectoryObserver{file=" + mFile.getAbsolutePath() + ", ref=" + mRefCount + "}"; |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | private class DirectoryCursor extends MatrixCursor { |
| 742 | private final File mFile; |
| 743 | |
| 744 | public DirectoryCursor(String[] columnNames, String docId, File file) { |
| 745 | super(columnNames); |
| 746 | |
| 747 | final Uri notifyUri = DocumentsContract.buildChildDocumentsUri( |
| 748 | AUTHORITY, docId); |
| 749 | setNotificationUri(getContext().getContentResolver(), notifyUri); |
| 750 | |
| 751 | mFile = file; |
| 752 | startObserving(mFile, notifyUri); |
| 753 | } |
| 754 | |
| 755 | @Override |
| 756 | public void close() { |
| 757 | super.close(); |
| 758 | stopObserving(mFile); |
| 759 | } |
| 760 | } |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 761 | } |