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Trim message bodies at display time.

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This commit is contained in:
Greyson Parrelli
2020-11-12 12:18:20 -05:00
committed by GitHub
parent 3b2a5f1ce3
commit 554aa1ddf0
3 changed files with 88 additions and 1 deletions
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3
app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationItem.java
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@@ -115,6 +115,7 @@ import org.thoughtcrime.securesms.util.InterceptableLongClickCopyLinkSpan;
import org.thoughtcrime.securesms.util.LongClickMovementMethod;
import org.thoughtcrime.securesms.util.MessageRecordUtil;
import org.thoughtcrime.securesms.util.SearchUtil;
import org.thoughtcrime.securesms.util.StringUtil;
import org.thoughtcrime.securesms.util.TextSecurePreferences;
import org.thoughtcrime.securesms.util.ThemeUtil;
import org.thoughtcrime.securesms.util.UrlClickHandler;
@@ -642,7 +643,7 @@ public class ConversationItem extends LinearLayout implements BindableConversati
bodyText.setMentionBackgroundTint(ContextCompat.getColor(context, R.color.transparent_black_40));
}
bodyText.setText(styledText);
bodyText.setText(StringUtil.trim(styledText));
bodyText.setVisibility(View.VISIBLE);
}
}

27
app/src/main/java/org/thoughtcrime/securesms/util/StringUtil.java
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@@ -59,6 +59,33 @@ public final class StringUtil {
return name;
}
/**
* @return A charsequence with no leading or trailing whitespace. Only creates a new charsequence
* if it has to.
*/
public static @NonNull CharSequence trim(@NonNull CharSequence charSequence) {
if (charSequence.length() == 0) {
return charSequence;
}
int start = 0;
int end = charSequence.length() - 1;
while (start < charSequence.length() && Character.isWhitespace(charSequence.charAt(start))) {
start++;
}
while (end >= 0 && end > start && Character.isWhitespace(charSequence.charAt(end))) {
end--;
}
if (start > 0 || end < charSequence.length() - 1) {
return charSequence.subSequence(start, end + 1);
} else {
return charSequence;
}
}
/**
* @return True if the string is empty, or if it contains nothing but whitespace characters.
* Accounts for various unicode whitespace characters.