Fix spell checker subtype list.

Remove the subtypes that don't get a dictionary any more in AOSP.
Also prepare for all downloadable-dictionary supported subtypes.

Bug: 7673670
Change-Id: I5b754a791233c270237b8f7e5e2208f7282ad294

1 files changed, 10 insertions, 1 deletions

diff --git a/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java b/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
index 470943be1..6581978c9 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
@@ -143,8 +143,17 @@ public abstract class AndroidWordLevelSpellCheckerSession extends Session {
         case AndroidSpellCheckerService.SCRIPT_CYRILLIC:
             // All Cyrillic characters are in the 400~52F block. There are some in the upper
             // Unicode range, but they are archaic characters that are not used in modern
-            // russian and are not used by our dictionary.
+            // Russian and are not used by our dictionary.
             return codePoint >= 0x400 && codePoint <= 0x52F && Character.isLetter(codePoint);
+        case AndroidSpellCheckerService.SCRIPT_GREEK:
+            // Greek letters are either in the 370~3FF range (Greek & Coptic), or in the
+            // 1F00~1FFF range (Greek extended). Our dictionary contains both sort of characters.
+            // Our dictionary also contains a few words with 0xF2; it would be best to check
+            // if that's correct, but a Google search does return results for these words so
+            // they are probably okay.
+            return (codePoint >= 0x370 && codePoint <= 0x3FF)
+                    || (codePoint >= 0x1F00 && codePoint <= 0x1FFF)
+                    || codePoint == 0xF2;
         default:
             // Should never come here
             throw new RuntimeException("Impossible value of script: " + script);