From 78430deb89ca5fb35588e73a35a3c702523f0345 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Wed, 9 May 2018 15:18:14 +0200
Subject: Add emoji presentation API

---
 intl/unicharutil/util/nsUnicodeProperties.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'intl/unicharutil')

diff --git a/intl/unicharutil/util/nsUnicodeProperties.h b/intl/unicharutil/util/nsUnicodeProperties.h
index 303582f99..33f01f2d4 100644
--- a/intl/unicharutil/util/nsUnicodeProperties.h
+++ b/intl/unicharutil/util/nsUnicodeProperties.h
@@ -54,6 +54,12 @@ enum XidmodType {
   XIDMOD_NOT_CHARS
 };
 
+enum EmojiPresentation {
+  TextOnly = 0,
+  TextDefault = 1,
+  EmojiDefault = 2
+};
+
 // ICU is available, so simply forward to its API
 
 extern const hb_unicode_general_category_t sICUtoHBcategory[];
@@ -170,6 +176,19 @@ IsEastAsianWidthFWH(uint32_t aCh)
   return false;
 }
 
+inline EmojiPresentation
+GetEmojiPresentation(uint32_t aCh)
+{
+  if (!u_hasBinaryProperty(aCh, UCHAR_EMOJI)) {
+    return TextOnly;
+  }
+
+  if (u_hasBinaryProperty(aCh, UCHAR_EMOJI_PRESENTATION)) {
+    return EmojiDefault;
+  }
+  return TextDefault;
+}
+
 // returns the simplified Gen Category as defined in nsIUGenCategory
 inline nsIUGenCategory::nsUGenCategory GetGenCategory(uint32_t aCh) {
   return sDetailedToGeneralCategory[GetGeneralCategory(aCh)];
-- 
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