private void init() {
Log.v(TAG, "Scanning directory " + currentDirectory);
if (cancelled) {
Log.v(TAG, "Scan aborted");
return;
}
totalCount = 0;
progress = 0;
files = currentDirectory.listFiles();
noMedia = false;
displayHidden = PreferenceActivity.getDisplayHiddenFiles(context);
sdIcon = context.getResources().getDrawable(R.drawable.ic_launcher_sdcard);
folderIcon = context.getResources().getDrawable(R.drawable.ic_launcher_folder);
genericFileIcon = context.getResources().getDrawable(R.drawable.ic_launcher_file);
operationStartTime = SystemClock.uptimeMillis();
if (files == null) {
Log.v(TAG, "Returned null - inaccessible directory?");
} else {
totalCount = files.length;
}
Log.v(TAG, "Total count=" + totalCount + ")");
/** Directory container */
listDir = new ArrayList<>(totalCount);
/** File container */
listFile = new ArrayList<>(totalCount);
/** External storage container */
listSdCard = new ArrayList<>(3);
}
public void run() {
running = true;
init();
// Scan files
if (files != null) {
for (File currentFile : files) {
if (cancelled) {
Log.v(TAG, "Scan aborted while checking files");
return;
}
progress++;
updateProgress(progress, totalCount);
// It's the noMedia file. Raise the flag.
if (currentFile.getName().equalsIgnoreCase(FileUtils.NOMEDIA_FILE_NAME)) noMedia = true;
// If the user doesn't want to display hidden files and the file is hidden, ignore this
// file.
if (!displayHidden && currentFile.isHidden()) {
continue;
}
// It's a directory. Handle it.
if (currentFile.isDirectory()) {
// It's the sd card.
if (currentFile.getAbsolutePath().equals(mSdCardPath)) {
listSdCard.add(
new FileHolder(
currentFile, mMimeTypes.getMimeType(currentFile.getName()), sdIcon, context));
}
// It's a normal directory.
else {
if (!mWriteableOnly || currentFile.canWrite())
listDir.add(
new FileHolder(
currentFile,
mMimeTypes.getMimeType(currentFile.getName()),
folderIcon,
context));
}
// It's a file. Handle it too :P
} else {
String fileName = currentFile.getName();
// Get the file's mimetype.
String mimetype = mMimeTypes.getMimeType(fileName);
String filetype = FileUtils.getExtension(fileName);
boolean ext_allow = filetype.equalsIgnoreCase(mFilterFiletype) || mFilterFiletype == "";
boolean mime_allow =
mFilterMimetype != null
&& (mimetype.contentEquals(mFilterMimetype)
|| mFilterMimetype.contentEquals("*/*")
|| mFilterFiletype == null);
if (!mDirectoriesOnly && (ext_allow || mime_allow)) {
// Take advantage of the already parsed mimeType to set a specific icon.
listFile.add(new FileHolder(currentFile, mimetype, genericFileIcon, context));
}
}
}
}
Log.v(TAG, "Sorting results...");
int sortBy = PreferenceActivity.getSortBy(context);
boolean ascending = PreferenceActivity.getAscending(context);
// Sort lists
if (!cancelled) {
Collections.sort(listSdCard);
Collections.sort(listDir, Comparators.getForDirectory(sortBy, ascending));
Collections.sort(listFile, Comparators.getForFile(sortBy, ascending));
}
// Return lists
if (!cancelled) {
Log.v(TAG, "Sending data back to main thread");
DirectoryContents contents = new DirectoryContents();
contents.listDir = listDir;
contents.listFile = listFile;
contents.listSdCard = listSdCard;
contents.noMedia = noMedia;
Message msg = handler.obtainMessage(MESSAGE_SHOW_DIRECTORY_CONTENTS);
msg.obj = contents;
msg.sendToTarget();
}
running = false;
}