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max out emoji enlargment at 42 emojis

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This commit is contained in:
Daniel Gultsch 2018-05-09 09:07:26 +02:00
parent 13d6885883
commit ffe610f961
2 changed files with 34 additions and 10 deletions
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9
src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java
View file

@ -203,7 +203,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
return 4;
}
public int getItemViewType(Message message) {
private int getItemViewType(Message message) {
if (message.getType() == Message.TYPE_STATUS) {
if (DATE_SEPARATOR_BODY.equals(message.getBody())) {
return DATE_SEPARATOR;
@ -222,7 +222,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
return this.getItemViewType(getItem(position));
}
public int getMessageTextColor(boolean onDark, boolean primary) {
private int getMessageTextColor(boolean onDark, boolean primary) {
if (onDark) {
return ContextCompat.getColor(activity, primary ? R.color.white : R.color.white70);
} else {
@ -390,7 +390,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
viewHolder.messageBody.setText(EmojiWrapper.transform(span));
}
private int applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
private void applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
body.insert(start++, "\n");
body.setSpan(new DividerSpan(false), start - 2, start, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
@ -404,7 +404,6 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
: ContextCompat.getColor(activity, R.color.green700_desaturated);
DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
return 0;
}
/**
@ -536,7 +535,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
}
}
}
Matcher matcher = Emoticons.generatePattern(body).matcher(body);
Matcher matcher = Emoticons.getEmojiPattern(body).matcher(body);
while (matcher.find()) {
if (matcher.start() < matcher.end()) {
body.setSpan(new RelativeSizeSpan(1.2f), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

33
src/main/java/eu/siacs/conversations/utils/Emoticons.java
View file

@ -29,8 +29,12 @@
package eu.siacs.conversations.utils;
import android.util.LruCache;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.regex.Pattern;
@ -71,12 +75,16 @@ public class Emoticons {
ENCLOSED_IDEOGRAPHIC_SUPPLEMENT,
MISC_TECHNICAL);
private static final int MAX_EMOIJS = 42;
private static final int ZWJ = 0x200D;
private static final int VARIATION_16 = 0xFE0F;
private static final int COMBINING_ENCLOSING_KEYCAP = 0x20E3;
private static final int BLACK_FLAG = 0x1F3F4;
private static final UnicodeRange FITZPATRICK = new UnicodeRange(0x1F3FB,0x1F3FF);
private static final LruCache<CharSequence,Pattern> CACHE = new LruCache<>(256);
private static List<Symbol> parse(String input) {
List<Symbol> symbols = new ArrayList<>();
Builder builder = new Builder();
@ -99,15 +107,32 @@ public class Emoticons {
return symbols;
}
public static Pattern generatePattern(CharSequence input) {
final StringBuilder pattern = new StringBuilder();
public static Pattern getEmojiPattern(CharSequence input) {
Pattern pattern = CACHE.get(input);
if (pattern == null) {
pattern = generatePattern(input);
CACHE.put(input, pattern);
}
return pattern;
}
private static Pattern generatePattern(CharSequence input) {
final HashSet<String> emojis = new HashSet<>();
int i = 0;
for(Symbol symbol : parse(input.toString())) {
if (symbol instanceof Emoji) {
emojis.add(symbol.toString());
if (++i >= MAX_EMOIJS) {
return Pattern.compile("");
}
}
}
final StringBuilder pattern = new StringBuilder();
for(String emoji : emojis) {
if (pattern.length() != 0) {
pattern.append('|');
}
pattern.append(Pattern.quote(symbol.toString()));
}
pattern.append(Pattern.quote(emoji));
}
return Pattern.compile(pattern.toString());
}