/**
* Resolves the user Trash folder and its "info" and "files" subfolders once and for all. The
* trash folder is created if it doesn't already exist.
*/
static {
TRASH_FOLDER = getTrashFolder();
if (TRASH_FOLDER != null) {
TRASH_INFO_SUBFOLDER = TRASH_FOLDER.getChildSilently("info");
TRASH_FILES_SUBFOLDER = TRASH_FOLDER.getChildSilently("files");
TRASH_VOLUME = TRASH_FOLDER.getVolume();
} else {
TRASH_INFO_SUBFOLDER = null;
TRASH_FILES_SUBFOLDER = null;
TRASH_VOLUME = null;
}
}
@Override
public AbstractFile getVolume() {
return file.getVolume();
}
/**
* Implementation notes: returns <code>true</code> only for local files that are not archive
* entries and that reside on the same volume as the trash folder.
*/
@Override
public boolean canMoveToTrash(AbstractFile file) {
return TRASH_FOLDER != null
&& file.getTopAncestor() instanceof LocalFile
&& file.getVolume().equals(TRASH_VOLUME);
}