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authorChristian Schneppe <christian@pix-art.de>2018-05-16 21:40:49 +0200
committerChristian Schneppe <christian@pix-art.de>2018-05-16 21:40:49 +0200
commit5786441681e55b31a7e224a5c7ba37a686490909 (patch)
tree0d3bb8e4285f0e913329dab8670eb94282ad1ea1 /src/main/java/de/pixart
parentda61d72495e030e23d680f92aa098d442f7a8a1c (diff)
max out emoji enlargment at 42 emojis
Diffstat (limited to 'src/main/java/de/pixart')
-rw-r--r--src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java9
-rw-r--r--src/main/java/de/pixart/messenger/utils/Emoticons.java34
2 files changed, 33 insertions, 10 deletions
diff --git a/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java b/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java
index 24fd2213d..ab599c1f3 100644
--- a/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java
+++ b/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java
@@ -213,7 +213,7 @@ 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;
@@ -232,7 +232,7 @@ 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 {
@@ -444,7 +444,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
}
- 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);
@@ -458,7 +458,6 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
: ContextCompat.getColor(activity, R.color.bubble);
DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
- return 0;
}
/**
@@ -586,7 +585,7 @@ 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(1.5f), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
diff --git a/src/main/java/de/pixart/messenger/utils/Emoticons.java b/src/main/java/de/pixart/messenger/utils/Emoticons.java
index 8cfddf8a4..08ee9db99 100644
--- a/src/main/java/de/pixart/messenger/utils/Emoticons.java
+++ b/src/main/java/de/pixart/messenger/utils/Emoticons.java
@@ -29,8 +29,11 @@
package de.pixart.messenger.utils;
+import android.util.LruCache;
+
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.HashSet;
import java.util.List;
import java.util.regex.Pattern;
@@ -70,12 +73,16 @@ public class Emoticons {
ENCLOSED_ALPHANUMERIC_SUPPLEMENT,
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();
@@ -98,16 +105,33 @@ 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) {
- if (pattern.length() != 0) {
- pattern.append('|');
+ emojis.add(symbol.toString());
+ if (++i >= MAX_EMOIJS) {
+ return Pattern.compile("");
}
- pattern.append(Pattern.quote(symbol.toString()));
}
}
+ final StringBuilder pattern = new StringBuilder();
+ for (String emoji : emojis) {
+ if (pattern.length() != 0) {
+ pattern.append('|');
+ }
+ pattern.append(Pattern.quote(emoji));
+ }
return Pattern.compile(pattern.toString());
}