| 1 | package org.openintents.filemanager; |
| 2 | |
| 3 | import java.io.File; |
| 4 | import java.lang.reflect.Method; |
| 5 | import java.util.ArrayList; |
| 6 | import java.util.Collections; |
| 7 | import java.util.Comparator; |
| 8 | import java.util.List; |
| 9 | |
| 10 | import org.openintents.filemanager.util.FileUtils; |
| 11 | import org.openintents.filemanager.util.ImageUtils; |
| 12 | import org.openintents.filemanager.util.MimeTypes; |
| 13 | |
| 14 | import android.content.Context; |
| 15 | import android.content.Intent; |
| 16 | import android.content.pm.ApplicationInfo; |
| 17 | import android.content.pm.PackageInfo; |
| 18 | import android.content.pm.PackageManager; |
| 19 | import android.content.pm.PackageManager.NameNotFoundException; |
| 20 | import android.content.pm.ResolveInfo; |
| 21 | import android.content.res.Resources.NotFoundException; |
| 22 | import android.graphics.drawable.Drawable; |
| 23 | import android.net.Uri; |
| 24 | import android.os.Handler; |
| 25 | import android.os.Message; |
| 26 | import android.os.SystemClock; |
| 27 | import android.support.v2.os.Build; |
| 28 | import android.util.Log; |
| 29 | |
| 30 | public class DirectoryScanner extends Thread { |
| 31 | |
| 32 | private static final String TAG = "OIFM_DirScanner"; |
| 33 | |
| 34 | private File currentDirectory; |
| 35 | boolean cancel; |
| 36 | |
| 37 | private String mSdCardPath; |
| 38 | private Context context; |
| 39 | private MimeTypes mMimeTypes; |
| 40 | private Handler handler; |
| 41 | private long operationStartTime; |
| 42 | private String mFilterFiletype; |
| 43 | private String mFilterMimetype; |
| 44 | |
| 45 | private boolean mWriteableOnly; |
| 46 | |
| 47 | private boolean mDirectoriesOnly; |
| 48 | |
| 49 | // Update progress bar every n files |
| 50 | static final private int PROGRESS_STEPS = 50; |
| 51 | |
| 52 | // APK MIME type |
| 53 | private static final String MIME_APK = "application/vnd.android.package-archive"; |
| 54 | |
| 55 | // Cupcake-specific methods |
| 56 | static Method formatter_formatFileSize; |
| 57 | |
| 58 | static { |
| 59 | initializeCupcakeInterface(); |
| 60 | } |
| 61 | |
| 62 | |
| 63 | |
| 64 | DirectoryScanner(File directory, Context context, Handler handler, MimeTypes mimeTypes, String filterFiletype, String filterMimetype, String sdCardPath, boolean writeableOnly, boolean directoriesOnly) { |
| 65 | super("Directory Scanner"); |
| 66 | currentDirectory = directory; |
| 67 | this.context = context; |
| 68 | this.handler = handler; |
| 69 | this.mMimeTypes = mimeTypes; |
| 70 | this.mFilterFiletype = filterFiletype; |
| 71 | this.mFilterMimetype = filterMimetype; |
| 72 | this.mSdCardPath = sdCardPath; |
| 73 | this.mWriteableOnly = writeableOnly; |
| 74 | this.mDirectoriesOnly = directoriesOnly; |
| 75 | } |
| 76 | |
| 77 | private void clearData() { |
| 78 | // Remove all references so we don't delay the garbage collection. |
| 79 | context = null; |
| 80 | mMimeTypes = null; |
| 81 | handler = null; |
| 82 | } |
| 83 | |
| 84 | public void run() { |
| 85 | Log.v(TAG, "Scanning directory " + currentDirectory); |
| 86 | |
| 87 | File[] files = currentDirectory.listFiles(); |
| 88 | |
| 89 | int fileCount = 0; |
| 90 | int dirCount = 0; |
| 91 | int sdCount = 0; |
| 92 | int totalCount = 0; |
| 93 | |
| 94 | if (cancel) { |
| 95 | Log.v(TAG, "Scan aborted"); |
| 96 | clearData(); |
| 97 | return; |
| 98 | } |
| 99 | |
| 100 | if (files == null) { |
| 101 | Log.v(TAG, "Returned null - inaccessible directory?"); |
| 102 | totalCount = 0; |
| 103 | } else { |
| 104 | totalCount = files.length; |
| 105 | } |
| 106 | |
| 107 | operationStartTime = SystemClock.uptimeMillis(); |
| 108 | |
| 109 | Log.v(TAG, "Counting files... (total count=" + totalCount + ")"); |
| 110 | |
| 111 | int progress = 0; |
| 112 | |
| 113 | /** Dir separate for return after sorting*/ |
| 114 | List<IconifiedText> listDir = new ArrayList<IconifiedText>(totalCount); |
| 115 | /** Dir separate for sorting */ |
| 116 | List<File> listDirFile = new ArrayList<File>(totalCount); |
| 117 | |
| 118 | /** Files separate for return after sorting*/ |
| 119 | List<IconifiedText> listFile = new ArrayList<IconifiedText>(totalCount); |
| 120 | /** Files separate for sorting */ |
| 121 | List<File> listFileFile = new ArrayList<File>(totalCount); |
| 122 | |
| 123 | /** SD card separate for sorting - actually not sorted, so we don't need an ArrayList<File>*/ |
| 124 | List<IconifiedText> listSdCard = new ArrayList<IconifiedText>(3); |
| 125 | |
| 126 | boolean noMedia = false; |
| 127 | |
| 128 | // Cache some commonly used icons. |
| 129 | Drawable sdIcon = context.getResources().getDrawable(R.drawable.ic_launcher_sdcard); |
| 130 | Drawable folderIcon = context.getResources().getDrawable(R.drawable.ic_launcher_folder); |
| 131 | Drawable genericFileIcon = context.getResources().getDrawable(R.drawable.icon_file); |
| 132 | |
| 133 | Drawable currentIcon = null; |
| 134 | |
| 135 | boolean displayHiddenFiles = PreferenceActivity.getDisplayHiddenFiles(context); |
| 136 | |
| 137 | if (files != null) { |
| 138 | for (File currentFile : files){ |
| 139 | if (cancel) { |
| 140 | // Abort! |
| 141 | Log.v(TAG, "Scan aborted while checking files"); |
| 142 | clearData(); |
| 143 | return; |
| 144 | } |
| 145 | |
| 146 | progress++; |
| 147 | updateProgress(progress, totalCount); |
| 148 | |
| 149 | //If the user doesn't want to display hidden files and the file is hidden, |
| 150 | //skip displaying the file |
| 151 | if (!displayHiddenFiles && currentFile.isHidden()){ |
| 152 | continue; |
| 153 | } |
| 154 | |
| 155 | |
| 156 | if (currentFile.isDirectory()) { |
| 157 | if (currentFile.getAbsolutePath().equals(mSdCardPath)) { |
| 158 | currentIcon = sdIcon; |
| 159 | |
| 160 | listSdCard.add(new IconifiedText( |
| 161 | currentFile.getName(), "", currentIcon)); |
| 162 | } else { |
| 163 | if (!mWriteableOnly || currentFile.canWrite()){ |
| 164 | listDirFile.add(currentFile); |
| 165 | } |
| 166 | } |
| 167 | }else{ |
| 168 | String fileName = currentFile.getName(); |
| 169 | |
| 170 | // Is this the ".nomedia" file? |
| 171 | if (!noMedia) { |
| 172 | if (fileName.equalsIgnoreCase(".nomedia")) { |
| 173 | // It is! |
| 174 | noMedia = true; |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | String mimetype = mMimeTypes.getMimeType(fileName); |
| 179 | |
| 180 | String filetype = FileUtils.getExtension(fileName); |
| 181 | boolean ext_allow = filetype.equalsIgnoreCase(mFilterFiletype) || mFilterFiletype == ""; |
| 182 | boolean mime_allow = mFilterMimetype != null && |
| 183 | (mimetype.contentEquals(mFilterMimetype) || mFilterMimetype.contentEquals("*/*") || |
| 184 | mFilterFiletype == null); |
| 185 | if (!mDirectoriesOnly && (ext_allow || mime_allow)) { |
| 186 | listFileFile.add(currentFile); |
| 187 | } |
| 188 | } |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | Log.v(TAG, "Sorting results..."); |
| 193 | |
| 194 | //Collections.sort(mListSdCard); |
| 195 | int sortBy = PreferenceActivity.getSortBy(context); |
| 196 | boolean ascending = PreferenceActivity.getAscending(context); |
| 197 | |
| 198 | |
| 199 | Collections.sort(listDirFile, Comparators.getForDirectory(sortBy, ascending)); |
| 200 | Collections.sort(listFileFile, Comparators.getForFile(sortBy, ascending)); |
| 201 | |
| 202 | for(File f : listDirFile){ |
| 203 | listDir.add(new IconifiedText( |
| 204 | f.getName(), FileUtils.formatDate(context, f.lastModified()), folderIcon)); |
| 205 | } |
| 206 | |
| 207 | for(File currentFile : listFileFile){ |
| 208 | String mimetype = mMimeTypes.getMimeType(currentFile.getName()); |
| 209 | currentIcon = getDrawableForMimetype(currentFile, mimetype); |
| 210 | if (currentIcon == null) { |
| 211 | currentIcon = genericFileIcon; |
| 212 | } else { |
| 213 | int width = genericFileIcon.getIntrinsicWidth(); |
| 214 | int height = genericFileIcon.getIntrinsicHeight(); |
| 215 | // Resizing image. |
| 216 | currentIcon = ImageUtils.resizeDrawable(currentIcon, width, height); |
| 217 | |
| 218 | } |
| 219 | |
| 220 | String size = ""; |
| 221 | |
| 222 | try { |
| 223 | size = (String) formatter_formatFileSize.invoke(null, context, currentFile.length()); |
| 224 | } catch (Exception e) { |
| 225 | // The file size method is probably null (this is most |
| 226 | // likely not a Cupcake phone), or something else went wrong. |
| 227 | // Let's fall back to something primitive, like just the number |
| 228 | // of KB. |
| 229 | size = Long.toString(currentFile.length() / 1024); |
| 230 | size +=" KB"; |
| 231 | |
| 232 | // Technically "KB" should come from a string resource, |
| 233 | // but this is just a Cupcake 1.1 callback, and KB is universal |
| 234 | // enough. |
| 235 | } |
| 236 | |
| 237 | listFile.add(new IconifiedText( |
| 238 | currentFile.getName(), size + " , " + FileUtils.formatDate( |
| 239 | context, currentFile.lastModified()), currentIcon)); |
| 240 | } |
| 241 | |
| 242 | if (!cancel) { |
| 243 | Log.v(TAG, "Sending data back to main thread"); |
| 244 | |
| 245 | DirectoryContents contents = new DirectoryContents(); |
| 246 | |
| 247 | contents.listDir = listDir; |
| 248 | contents.listFile = listFile; |
| 249 | contents.listSdCard = listSdCard; |
| 250 | contents.noMedia = noMedia; |
| 251 | |
| 252 | Message msg = handler.obtainMessage(FileManagerActivity.MESSAGE_SHOW_DIRECTORY_CONTENTS); |
| 253 | msg.obj = contents; |
| 254 | msg.sendToTarget(); |
| 255 | } |
| 256 | |
| 257 | clearData(); |
| 258 | } |
| 259 | |
| 260 | private void updateProgress(int progress, int maxProgress) { |
| 261 | // Only update the progress bar every n steps... |
| 262 | if ((progress % PROGRESS_STEPS) == 0) { |
| 263 | // Also don't update for the first second. |
| 264 | long curTime = SystemClock.uptimeMillis(); |
| 265 | |
| 266 | if (curTime - operationStartTime < 1000L) { |
| 267 | return; |
| 268 | } |
| 269 | |
| 270 | // Okay, send an update. |
| 271 | Message msg = handler.obtainMessage(FileManagerActivity.MESSAGE_SET_PROGRESS); |
| 272 | msg.arg1 = progress; |
| 273 | msg.arg2 = maxProgress; |
| 274 | msg.sendToTarget(); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * Return the Drawable that is associated with a specific mime type |
| 280 | * for the VIEW action. |
| 281 | * |
| 282 | * @param mimetype |
| 283 | * @return |
| 284 | */ |
| 285 | Drawable getDrawableForMimetype(File file, String mimetype) { |
| 286 | if (mimetype == null) { |
| 287 | return null; |
| 288 | } |
| 289 | |
| 290 | PackageManager pm = context.getPackageManager(); |
| 291 | |
| 292 | // Returns the icon packaged in files with the .apk MIME type. |
| 293 | if(mimetype.equals(MIME_APK)){ |
| 294 | String path = file.getPath(); |
| 295 | PackageInfo pInfo = pm.getPackageArchiveInfo(path, PackageManager.GET_ACTIVITIES); |
| 296 | if (pInfo!=null) { |
| 297 | ApplicationInfo aInfo = pInfo.applicationInfo; |
| 298 | |
| 299 | // Bug in SDK versions >= 8. See here: http://code.google.com/p/android/issues/detail?id=9151 |
| 300 | if(Build.VERSION.SDK_INT >= 8){ |
| 301 | aInfo.sourceDir = path; |
| 302 | aInfo.publicSourceDir = path; |
| 303 | } |
| 304 | |
| 305 | return aInfo.loadIcon(pm); |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | int iconResource = mMimeTypes.getIcon(mimetype); |
| 310 | Drawable ret = null; |
| 311 | if(iconResource > 0){ |
| 312 | try { |
| 313 | ret = pm.getResourcesForApplication(context.getPackageName()).getDrawable(iconResource); |
| 314 | }catch(NotFoundException e){} |
| 315 | catch(NameNotFoundException e){} |
| 316 | } |
| 317 | |
| 318 | if(ret != null){ |
| 319 | return ret; |
| 320 | } |
| 321 | |
| 322 | Uri data = FileUtils.getUri(file); |
| 323 | |
| 324 | Intent intent = new Intent(Intent.ACTION_VIEW); |
| 325 | //intent.setType(mimetype); |
| 326 | |
| 327 | // Let's probe the intent exactly in the same way as the VIEW action |
| 328 | // is performed in FileManagerActivity.openFile(..) |
| 329 | intent.setDataAndType(data, mimetype); |
| 330 | |
| 331 | final List<ResolveInfo> lri = pm.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY); |
| 332 | |
| 333 | if (lri != null && lri.size() > 0) { |
| 334 | //Log.i(TAG, "lri.size()" + lri.size()); |
| 335 | |
| 336 | // return first element |
| 337 | int index = 0; |
| 338 | |
| 339 | // Actually first element should be "best match", |
| 340 | // but it seems that more recently installed applications |
| 341 | // could be even better match. |
| 342 | index = lri.size()-1; |
| 343 | |
| 344 | final ResolveInfo ri = lri.get(index); |
| 345 | return ri.loadIcon(pm); |
| 346 | } |
| 347 | |
| 348 | return null; |
| 349 | } |
| 350 | |
| 351 | private static void initializeCupcakeInterface() { |
| 352 | try { |
| 353 | formatter_formatFileSize = Class.forName("android.text.format.Formatter").getMethod("formatFileSize", Context.class, long.class); |
| 354 | } catch (Exception ex) { |
| 355 | // This is not cupcake. |
| 356 | return; |
| 357 | } |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | /** |
| 362 | * The container class for all comparators. |
| 363 | */ |
| 364 | class Comparators{ |
| 365 | public static final int NAME = 1; |
| 366 | public static final int SIZE = 2; |
| 367 | public static final int LAST_MODIFIED = 3; |
| 368 | |
| 369 | |
| 370 | public static Comparator<File> getForFile(int comparator, boolean ascending){ |
| 371 | switch(comparator){ |
| 372 | case NAME: return new NameComparator(ascending); |
| 373 | case SIZE: return new SizeComparator(ascending); |
| 374 | case LAST_MODIFIED: return new LastModifiedComparator(ascending); |
| 375 | default: return null; |
| 376 | } |
| 377 | } |
| 378 | public static Comparator<File> getForDirectory(int comparator, boolean ascending){ |
| 379 | switch(comparator){ |
| 380 | case NAME: return new NameComparator(ascending); |
| 381 | case SIZE: return new NameComparator(ascending); //Not a bug! Getting directory's size is verry slow |
| 382 | case LAST_MODIFIED: return new LastModifiedComparator(ascending); |
| 383 | default: return null; |
| 384 | } |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | |
| 389 | abstract class FileComparator implements Comparator<File>{ |
| 390 | protected boolean ascending = true; |
| 391 | |
| 392 | public FileComparator(boolean asc){ |
| 393 | ascending = asc; |
| 394 | } |
| 395 | |
| 396 | public FileComparator(){ |
| 397 | this(true); |
| 398 | } |
| 399 | |
| 400 | public int compare(File f1, File f2){ |
| 401 | return comp((ascending ? f1 : f2), (ascending ? f2 : f1)); |
| 402 | } |
| 403 | |
| 404 | protected abstract int comp(File f1, File f2); |
| 405 | } |
| 406 | |
| 407 | class NameComparator extends FileComparator{ |
| 408 | public NameComparator(boolean asc){ |
| 409 | super(asc); |
| 410 | } |
| 411 | |
| 412 | protected int comp(File f1, File f2) { |
| 413 | return f1.getName().toLowerCase().compareTo(f2.getName().toLowerCase()); |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | class SizeComparator extends FileComparator{ |
| 418 | public SizeComparator(boolean asc){ |
| 419 | super(asc); |
| 420 | } |
| 421 | |
| 422 | protected int comp(File f1, File f2) { |
| 423 | return ((Long)f1.length()).compareTo(f2.length()); |
| 424 | } |
| 425 | |
| 426 | /*//Very inefficient |
| 427 | private long getFileSize(File f){ |
| 428 | if(f.isFile()) |
| 429 | return f.length(); |
| 430 | int ret = 0; |
| 431 | for(File file : f.listFiles()) |
| 432 | ret += getFileSize(file); |
| 433 | |
| 434 | return ret; |
| 435 | } |
| 436 | */ |
| 437 | } |
| 438 | |
| 439 | class LastModifiedComparator extends FileComparator{ |
| 440 | public LastModifiedComparator(boolean asc){ |
| 441 | super(asc); |
| 442 | } |
| 443 | |
| 444 | protected int comp(File f1, File f2) { |
| 445 | return ((Long)f1.lastModified()).compareTo(f2.lastModified()); |
| 446 | } |
| 447 | } |