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more SAF implementation

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* full support for Directory API (Android Lollipop or later)
* best effort to handle any kind errors (missing file, revoked permissions, etc) and recover the download
* implemented directory choosing
* fix download database version upgrading
* misc. cleanup
* do not release permission on the old save path (if the user change the download directory) under SAF api
This commit is contained in:
kapodamy 2019-04-09 18:38:34 -03:00
parent f6b32823ba
commit d00dc798f4
28 changed files with 946 additions and 589 deletions
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26
app/src/main/java/org/schabi/newpipe/util/FilenameUtils.java
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@ -10,6 +10,9 @@ import java.util.regex.Pattern;
public class FilenameUtils {
private static final String CHARSET_MOST_SPECIAL = "[\\n\\r|?*<\":\\\\>/']+";
private static final String CHARSET_ONLY_LETTERS_AND_DIGITS = "[^\\w\\d]+";
/**
* #143 #44 #42 #22: make sure that the filename does not contain illegal chars.
* @param context the context to retrieve strings and preferences from
@ -18,11 +21,28 @@ public class FilenameUtils {
*/
public static String createFilename(Context context, String title) {
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
final String key = context.getString(R.string.settings_file_charset_key);
final String value = sharedPreferences.getString(key, context.getString(R.string.default_file_charset_value));
Pattern pattern = Pattern.compile(value);
final String charset_ld = context.getString(R.string.charset_letters_and_digits_value);
final String charset_ms = context.getString(R.string.charset_most_special_value);
final String defaultCharset = context.getString(R.string.default_file_charset_value);
final String replacementChar = sharedPreferences.getString(context.getString(R.string.settings_file_replacement_character_key), "_");
String selectedCharset = sharedPreferences.getString(context.getString(R.string.settings_file_charset_key), null);
final String charset;
if (selectedCharset == null || selectedCharset.isEmpty()) selectedCharset = defaultCharset;
if (selectedCharset.equals(charset_ld)) {
charset = CHARSET_ONLY_LETTERS_AND_DIGITS;
} else if (selectedCharset.equals(charset_ms)) {
charset = CHARSET_MOST_SPECIAL;
} else {
charset = selectedCharset;// ¿is the user using a custom charset?
}
Pattern pattern = Pattern.compile(charset);
return createFilename(title, pattern, replacementChar);
}