aboutsummaryrefslogtreecommitdiffstats
path: root/src/main/java/de/pixart/messenger/utils
diff options
context:
space:
mode:
authorChristian Schneppe <christian@pix-art.de>2017-11-24 21:41:15 +0100
committerChristian Schneppe <christian@pix-art.de>2017-11-24 21:41:15 +0100
commitb741b8bf12118bd13d43c62ea5c1598bd078348e (patch)
tree0ef0abe20af33c121e4c6540b438964aa35f6685 /src/main/java/de/pixart/messenger/utils
parentfca8eacabec77f4c3604a71763915c32e09d286d (diff)
use com.android.support:support-emoji
Diffstat (limited to 'src/main/java/de/pixart/messenger/utils')
-rw-r--r--src/main/java/de/pixart/messenger/utils/EmojiWrapper.java43
-rw-r--r--src/main/java/de/pixart/messenger/utils/Emoticons.java282
2 files changed, 325 insertions, 0 deletions
diff --git a/src/main/java/de/pixart/messenger/utils/EmojiWrapper.java b/src/main/java/de/pixart/messenger/utils/EmojiWrapper.java
new file mode 100644
index 000000000..db2bf1242
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/utils/EmojiWrapper.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2017, Daniel Gultsch All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package de.pixart.messenger.utils;
+
+import android.support.text.emoji.EmojiCompat;
+
+public class EmojiWrapper {
+
+ public static CharSequence transform(CharSequence input) {
+ final CharSequence charSequence;
+ if (EmojiCompat.get().getLoadState() == EmojiCompat.LOAD_STATE_SUCCEEDED) {
+ return EmojiCompat.get().process(input);
+ } else {
+ return input;
+ }
+ }
+} \ No newline at end of file
diff --git a/src/main/java/de/pixart/messenger/utils/Emoticons.java b/src/main/java/de/pixart/messenger/utils/Emoticons.java
new file mode 100644
index 000000000..8cfddf8a4
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/utils/Emoticons.java
@@ -0,0 +1,282 @@
+/*
+ * Copyright (c) 2017, Daniel Gultsch All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package de.pixart.messenger.utils;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.regex.Pattern;
+
+public class Emoticons {
+
+ private static final UnicodeRange MISC_SYMBOLS_AND_PICTOGRAPHS = new UnicodeRange(0x1F300, 0x1F5FF);
+ private static final UnicodeRange SUPPLEMENTAL_SYMBOLS = new UnicodeRange(0x1F900, 0x1F9FF);
+ private static final UnicodeRange EMOTICONS = new UnicodeRange(0x1F600, 0x1F64F);
+ private static final UnicodeRange TRANSPORT_SYMBOLS = new UnicodeRange(0x1F680, 0x1F6FF);
+ private static final UnicodeRange MISC_SYMBOLS = new UnicodeRange(0x2600, 0x26FF);
+ private static final UnicodeRange DINGBATS = new UnicodeRange(0x2700, 0x27BF);
+ private static final UnicodeRange ENCLOSED_ALPHANUMERIC_SUPPLEMENT = new UnicodeRange(0x1F100, 0x1F1FF);
+ private static final UnicodeRange ENCLOSED_IDEOGRAPHIC_SUPPLEMENT = new UnicodeRange(0x1F200, 0x1F2FF);
+ private static final UnicodeRange REGIONAL_INDICATORS = new UnicodeRange(0x1F1E6, 0x1F1FF);
+ private static final UnicodeRange GEOMETRIC_SHAPES = new UnicodeRange(0x25A0, 0x25FF);
+ private static final UnicodeRange LATIN_SUPPLEMENT = new UnicodeRange(0x80, 0xFF);
+ private static final UnicodeRange MISC_TECHNICAL = new UnicodeRange(0x2300, 0x23FF);
+ private static final UnicodeRange TAGS = new UnicodeRange(0xE0020, 0xE007F);
+ private static final UnicodeList CYK_SYMBOLS_AND_PUNCTUATION = new UnicodeList(0x3030, 0x303D);
+ private static final UnicodeList LETTERLIKE_SYMBOLS = new UnicodeList(0x2122, 0x2139);
+
+ private static final UnicodeBlocks KEYCAP_COMBINEABLE = new UnicodeBlocks(new UnicodeList(0x23), new UnicodeList(0x2A), new UnicodeRange(0x30, 0x39));
+
+ private static final UnicodeBlocks SYMBOLIZE = new UnicodeBlocks(
+ GEOMETRIC_SHAPES,
+ LATIN_SUPPLEMENT,
+ CYK_SYMBOLS_AND_PUNCTUATION,
+ LETTERLIKE_SYMBOLS,
+ KEYCAP_COMBINEABLE);
+ private static final UnicodeBlocks EMOJIS = new UnicodeBlocks(
+ MISC_SYMBOLS_AND_PICTOGRAPHS,
+ SUPPLEMENTAL_SYMBOLS,
+ EMOTICONS,
+ TRANSPORT_SYMBOLS,
+ MISC_SYMBOLS,
+ DINGBATS,
+ ENCLOSED_ALPHANUMERIC_SUPPLEMENT,
+ ENCLOSED_IDEOGRAPHIC_SUPPLEMENT,
+ MISC_TECHNICAL);
+ 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 List<Symbol> parse(String input) {
+ List<Symbol> symbols = new ArrayList<>();
+ Builder builder = new Builder();
+ boolean needsFinalBuild = false;
+ for (int cp, i = 0; i < input.length(); i += Character.charCount(cp)) {
+ cp = input.codePointAt(i);
+ if (builder.offer(cp)) {
+ needsFinalBuild = true;
+ } else {
+ symbols.add(builder.build());
+ builder = new Builder();
+ if (builder.offer(cp)) {
+ needsFinalBuild = true;
+ }
+ }
+ }
+ if (needsFinalBuild) {
+ symbols.add(builder.build());
+ }
+ return symbols;
+ }
+
+ public static Pattern generatePattern(CharSequence input) {
+ final StringBuilder pattern = new StringBuilder();
+ for (Symbol symbol : parse(input.toString())) {
+ if (symbol instanceof Emoji) {
+ if (pattern.length() != 0) {
+ pattern.append('|');
+ }
+ pattern.append(Pattern.quote(symbol.toString()));
+ }
+ }
+ return Pattern.compile(pattern.toString());
+ }
+
+ public static boolean isEmoji(String input) {
+ List<Symbol> symbols = parse(input);
+ return symbols.size() == 1 && symbols.get(0).isEmoji();
+ }
+
+ public static boolean isOnlyEmoji(String input) {
+ List<Symbol> symbols = parse(input);
+ for (Symbol symbol : symbols) {
+ if (!symbol.isEmoji()) {
+ return false;
+ }
+ }
+ return symbols.size() > 0;
+ }
+
+ private static abstract class Symbol {
+
+ private final String value;
+
+ public Symbol(List<Integer> codepoints) {
+ StringBuilder builder = new StringBuilder();
+ for (Integer codepoint : codepoints) {
+ builder.appendCodePoint(codepoint);
+ }
+ this.value = builder.toString();
+ }
+
+ abstract boolean isEmoji();
+
+ @Override
+ public String toString() {
+ return value;
+ }
+ }
+
+ public static class Emoji extends Symbol {
+
+ public Emoji(List<Integer> codepoints) {
+ super(codepoints);
+ }
+
+ @Override
+ boolean isEmoji() {
+ return true;
+ }
+ }
+
+ public static class Other extends Symbol {
+
+ public Other(List<Integer> codepoints) {
+ super(codepoints);
+ }
+
+ @Override
+ boolean isEmoji() {
+ return false;
+ }
+ }
+
+ private static class Builder {
+ private final List<Integer> codepoints = new ArrayList<>();
+
+
+ public boolean offer(int codepoint) {
+ boolean add = false;
+ if (this.codepoints.size() == 0) {
+ if (SYMBOLIZE.contains(codepoint)) {
+ add = true;
+ } else if (REGIONAL_INDICATORS.contains(codepoint)) {
+ add = true;
+ } else if (EMOJIS.contains(codepoint) && !FITZPATRICK.contains(codepoint) && codepoint != ZWJ) {
+ add = true;
+ }
+ } else {
+ int previous = codepoints.get(codepoints.size() - 1);
+ if (codepoints.get(0) == BLACK_FLAG) {
+ add = TAGS.contains(codepoint);
+ } else if (COMBINING_ENCLOSING_KEYCAP == codepoint) {
+ add = KEYCAP_COMBINEABLE.contains(previous) || previous == VARIATION_16;
+ } else if (SYMBOLIZE.contains(previous)) {
+ add = codepoint == VARIATION_16;
+ } else if (REGIONAL_INDICATORS.contains(previous) && REGIONAL_INDICATORS.contains(codepoint)) {
+ add = codepoints.size() == 1;
+ } else if (previous == VARIATION_16) {
+ add = isMerger(codepoint);
+ } else if (FITZPATRICK.contains(previous)) {
+ add = codepoint == ZWJ;
+ } else if (ZWJ == previous) {
+ add = EMOJIS.contains(codepoint);
+ } else if (isMerger(codepoint)) {
+ add = true;
+ } else if (codepoint == VARIATION_16 && EMOJIS.contains(previous)) {
+ add = true;
+ }
+ }
+ if (add) {
+ codepoints.add(codepoint);
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ static boolean isMerger(int codepoint) {
+ return codepoint == ZWJ || FITZPATRICK.contains(codepoint);
+ }
+
+ public Symbol build() {
+ if (codepoints.size() > 0 && SYMBOLIZE.contains(codepoints.get(codepoints.size() - 1))) {
+ return new Other(codepoints);
+ } else if (codepoints.size() > 1 && KEYCAP_COMBINEABLE.contains(codepoints.get(0)) && codepoints.get(codepoints.size() - 1) != COMBINING_ENCLOSING_KEYCAP) {
+ return new Other(codepoints);
+ }
+ return codepoints.size() == 0 ? new Other(codepoints) : new Emoji(codepoints);
+ }
+ }
+
+ public static class UnicodeBlocks implements UnicodeSet {
+ final UnicodeSet[] unicodeSets;
+
+ public UnicodeBlocks(UnicodeSet... sets) {
+ this.unicodeSets = sets;
+ }
+
+ @Override
+ public boolean contains(int codepoint) {
+ for(UnicodeSet unicodeSet : unicodeSets) {
+ if (unicodeSet.contains(codepoint)) {
+ return true;
+ }
+ }
+ return false;
+ }
+ }
+
+ public interface UnicodeSet {
+ boolean contains(int codepoint);
+ }
+
+ public static class UnicodeList implements UnicodeSet {
+
+ private final List<Integer> list;
+
+ public UnicodeList(Integer... codes) {
+ this.list = Arrays.asList(codes);
+ }
+
+ @Override
+ public boolean contains(int codepoint) {
+ return this.list.contains(codepoint);
+ }
+ }
+
+
+ public static class UnicodeRange implements UnicodeSet {
+
+ private final int lower;
+ private final int upper;
+
+ UnicodeRange(int lower, int upper) {
+ this.lower = lower;
+ this.upper = upper;
+ }
+
+ public boolean contains(int codePoint) {
+ return codePoint >= lower && codePoint <= upper;
+ }
+ }
+} \ No newline at end of file