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Add SubtypeLocaleUtils.isRtlLanguage method

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Change-Id: I2e399ae9ca111638b583c5681de08b0e6db86e3a
This commit is contained in:
Tadashi G. Takaoka 2014-01-27 17:22:13 +09:00
parent 1e4b1300e6
commit c0c74d22a0
2 changed files with 44 additions and 1 deletions
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21
java/src/com/android/inputmethod/latin/utils/SubtypeLocaleUtils.java
View File

@ -25,9 +25,11 @@ import android.os.Build;
import android.util.Log;
import android.view.inputmethod.InputMethodSubtype;
import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.latin.DictionaryFactory;
import com.android.inputmethod.latin.R;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Locale;
@ -334,4 +336,23 @@ public final class SubtypeLocaleUtils {
final Locale locale = getSubtypeLocale(subtype);
return StringUtils.capitalizeFirstCodePoint(locale.getLanguage(), locale);
}
// TODO: Get this information from the framework instead of maintaining here by ourselves.
// Sorted list of known Right-To-Left language codes.
private static final String[] SORTED_RTL_LANGUAGES = {
"ar", // Arabic
"fa", // Persian
"iw", // Hebrew
};
static {
Arrays.sort(SORTED_RTL_LANGUAGES);
}
// TODO: Remove @UsedForTesting annotation.
@UsedForTesting
public static boolean isRtlLanguage(final InputMethodSubtype subtype) {
final Locale locale = getSubtypeLocale(subtype);
final String language = locale.getLanguage();
return Arrays.binarySearch(SORTED_RTL_LANGUAGES, language) >= 0;
}
}

24
tests/src/com/android/inputmethod/latin/utils/SubtypeLocaleUtilsTests.java
View File

@ -101,7 +101,6 @@ public class SubtypeLocaleUtilsTests extends AndroidTestCase {
SubtypeLocaleUtils.NO_LANGUAGE, "azerty", null);
ZZ_PC = AdditionalSubtypeUtils.createAdditionalSubtype(
SubtypeLocaleUtils.NO_LANGUAGE, "pcqwerty", null);
}
public void testAllFullDisplayName() {
@ -423,4 +422,27 @@ public class SubtypeLocaleUtilsTests extends AndroidTestCase {
public void testAdditionalSubtypeForSpacebarInFrench() {
testsAdditionalSubtypesForSpacebar.runInLocale(mRes, Locale.FRENCH);
}
public void testIsRtlLanguage() {
// Known Right-to-Left language subtypes.
final InputMethodSubtype ARABIC = mRichImm
.findSubtypeByLocaleAndKeyboardLayoutSet("ar", "arabic");
assertNotNull("Arabic", ARABIC);
final InputMethodSubtype FARSI = mRichImm
.findSubtypeByLocaleAndKeyboardLayoutSet("fa", "farsi");
assertNotNull("Farsi", FARSI);
final InputMethodSubtype HEBREW = mRichImm
.findSubtypeByLocaleAndKeyboardLayoutSet("iw", "hebrew");
assertNotNull("Hebrew", HEBREW);
for (final InputMethodSubtype subtype : mSubtypesList) {
final String subtypeName = SubtypeLocaleUtils
.getSubtypeDisplayNameInSystemLocale(subtype);
if (subtype.equals(ARABIC) || subtype.equals(FARSI) || subtype.equals(HEBREW)) {
assertTrue(subtypeName, SubtypeLocaleUtils.isRtlLanguage(subtype));
} else {
assertFalse(subtypeName, SubtypeLocaleUtils.isRtlLanguage(subtype));
}
}
}
}