static Action newReplaceText(CharSequence text, int start, int end) {
if (start < 0 || start > end) {
Log.e(LOGTAG, "invalid replace text offsets: " + start + " to " + end);
throw new IllegalArgumentException("invalid replace text offsets");
}
int actionType = TYPE_REPLACE_TEXT;
if (text instanceof Spanned) {
final Spanned spanned = (Spanned) text;
final Object[] spans = spanned.getSpans(0, spanned.length(), Object.class);
for (Object span : spans) {
if ((spanned.getSpanFlags(span) & Spanned.SPAN_COMPOSING) != 0) {
actionType = TYPE_COMPOSE_TEXT;
break;
}
}
}
final Action action = new Action(actionType);
action.mSequence = text;
action.mStart = start;
action.mEnd = end;
return action;
}
private static CharSequence removeJumpingBeansSpans(Spanned text) {
SpannableStringBuilder sbb = new SpannableStringBuilder(text.toString());
Object[] spans = text.getSpans(0, text.length(), Object.class);
for (Object span : spans) {
if (!(span instanceof JumpingBeansSpan)) {
sbb.setSpan(span, text.getSpanStart(span), text.getSpanEnd(span), text.getSpanFlags(span));
}
}
return sbb;
}
private static int getActive(CharSequence text, Object meta, int on, int lock) {
if (!(text instanceof Spanned)) {
return 0;
}
Spanned sp = (Spanned) text;
int flag = sp.getSpanFlags(meta);
if (flag == LOCKED) {
return lock;
} else if (flag != 0) {
return on;
} else {
return 0;
}
}