Merge "Add a utility method to SuggestionSpanUtils" (db6c3277) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java

+28 −0

Original line number	Diff line number	Diff line
		@@ -28,9 +28,13 @@ import com.android.inputmethod.latin.SuggestedWords;
		import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
		import com.android.inputmethod.latin.SuggestionSpanPickedNotificationReceiver;
		import com.android.inputmethod.latin.define.DebugFlags;
		import com.android.inputmethod.latin.utils.LocaleUtils;

		import java.lang.reflect.Field;
		import java.util.ArrayList;
		import java.util.Locale;

		import javax.annotation.Nullable;

		public final class SuggestionSpanUtils {
		// Note that SuggestionSpan.FLAG_AUTO_CORRECTION has been introduced
		@@ -98,4 +102,28 @@ public final class SuggestionSpanUtils {
		spannable.setSpan(suggestionSpan, 0, pickedWord.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
		return spannable;
		}

		/**
		* Returns first {@link Locale} found in the given array of {@link SuggestionSpan}.
		* @param suggestionSpans the array of {@link SuggestionSpan} to be examined.
		* @return the first {@link Locale} found in {@code suggestionSpans}. {@code null} when not
		* found.
		*/
		@UsedForTesting
		@Nullable
		public static Locale findFirstLocaleFromSuggestionSpans(
		final SuggestionSpan[] suggestionSpans) {
		for (final SuggestionSpan suggestionSpan : suggestionSpans) {
		final String localeString = suggestionSpan.getLocale();
		if (TextUtils.isEmpty(localeString)) {
		continue;
		}
		final Locale locale = LocaleUtils.constructLocaleFromString(localeString);
		if (locale == null) {
		continue;
		}
		return locale;
		}
		return null;
		}
		}

+26 −0

Original line number	Diff line number	Diff line
		@@ -178,4 +178,30 @@ public class SuggestionSpanUtilsTest extends AndroidTestCase {
		typedAndCollectedWords));
		}
		}

		public void testFindFirstLocaleFromSuggestionSpans() {
		final String[] suggestions = new String[] {"Quality", "Speed", "Price"};
		final SuggestionSpan nullLocaleSpan = new SuggestionSpan((Locale)null, suggestions, 0);
		final SuggestionSpan emptyLocaleSpan = new SuggestionSpan(new Locale(""), suggestions, 0);
		final SuggestionSpan enUsLocaleSpan = new SuggestionSpan(Locale.US, suggestions, 0);
		final SuggestionSpan jaJpLocaleSpan = new SuggestionSpan(Locale.JAPAN, suggestions, 0);

		assertEquals(null, SuggestionSpanUtils.findFirstLocaleFromSuggestionSpans(
		new SuggestionSpan[] {}));

		assertEquals(null, SuggestionSpanUtils.findFirstLocaleFromSuggestionSpans(
		new SuggestionSpan[] {emptyLocaleSpan}));

		assertEquals(Locale.US, SuggestionSpanUtils.findFirstLocaleFromSuggestionSpans(
		new SuggestionSpan[] {enUsLocaleSpan}));

		assertEquals(Locale.US, SuggestionSpanUtils.findFirstLocaleFromSuggestionSpans(
		new SuggestionSpan[] {nullLocaleSpan, enUsLocaleSpan}));

		assertEquals(Locale.US, SuggestionSpanUtils.findFirstLocaleFromSuggestionSpans(
		new SuggestionSpan[] {nullLocaleSpan, emptyLocaleSpan, enUsLocaleSpan}));

		assertEquals(Locale.JAPAN, SuggestionSpanUtils.findFirstLocaleFromSuggestionSpans(
		new SuggestionSpan[] {nullLocaleSpan, jaJpLocaleSpan, enUsLocaleSpan}));
		}
		}