Use reflection to get field values of SuggestionSpan (68ef7b77) · Commits · e / os / android_packages_inputmethods_LatinIME

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

+23 −7

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.inputmethod.compat;

		import com.android.inputmethod.latin.LatinImeLogger;
		import com.android.inputmethod.latin.SuggestedWords;
		import com.android.inputmethod.latin.SuggestionSpanPickedNotificationReceiver;

		@@ -27,6 +28,7 @@ import android.text.TextUtils;
		import android.util.Log;

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

		@@ -38,9 +40,6 @@ public class SuggestionSpanUtils {
		public static final String SUGGESTION_SPAN_PICKED_AFTER = "after";
		public static final String SUGGESTION_SPAN_PICKED_BEFORE = "before";
		public static final String SUGGESTION_SPAN_PICKED_HASHCODE = "hashcode";
		// TODO: Use the API constant after it gets public.
		public static final int FLAG_AUTO_CORRECTION = 0x0004;
		public static final int SUGGESTION_MAX_SIZE = 5;
		public static final boolean SUGGESTION_SPAN_IS_SUPPORTED;

		private static final Class<?> CLASS_SuggestionSpan = CompatUtils
		@@ -49,20 +48,36 @@ public class SuggestionSpanUtils {
		Context.class, Locale.class, String[].class, int.class, Class.class };
		private static final Constructor<?> CONSTRUCTOR_SuggestionSpan = CompatUtils
		.getConstructor(CLASS_SuggestionSpan, INPUT_TYPE_SuggestionSpan);
		public static final Field FIELD_FLAG_AUTO_CORRECTION
		= CompatUtils.getField(CLASS_SuggestionSpan, "FLAG_AUTO_CORRECTION");
		public static final Field FIELD_SUGGESTION_MAX_SIZE
		= CompatUtils.getField(CLASS_SuggestionSpan, "SUGGESTION_MAX_SIZE");
		public static final Integer OBJ_FLAG_AUTO_CORRECTION = (Integer) CompatUtils
		.getFieldValue(null, null, FIELD_FLAG_AUTO_CORRECTION);;
		public static final Integer OBJ_SUGGESTION_MAX_SIZE = (Integer) CompatUtils
		.getFieldValue(null, null, FIELD_SUGGESTION_MAX_SIZE);;

		static {
		SUGGESTION_SPAN_IS_SUPPORTED =
		CLASS_SuggestionSpan != null && CONSTRUCTOR_SuggestionSpan != null;
		if (LatinImeLogger.sDBG) {
		if (SUGGESTION_SPAN_IS_SUPPORTED
		&& (OBJ_FLAG_AUTO_CORRECTION == null \|\| OBJ_SUGGESTION_MAX_SIZE == null)) {
		Log.e(TAG, "Field is accidentially null.");
		}
		}
		}

		public static CharSequence getTextWithAutoCorrectionIndicatorUnderline(
		Context context, CharSequence text) {
		if (TextUtils.isEmpty(text) \|\| CONSTRUCTOR_SuggestionSpan == null) {
		if (TextUtils.isEmpty(text) \|\| CONSTRUCTOR_SuggestionSpan == null
		\|\| OBJ_FLAG_AUTO_CORRECTION == null) {
		return text;
		}
		final Spannable spannable = text instanceof Spannable
		? (Spannable) text : new SpannableString(text);
		final Object[] args =
		{ context, null, new String[] {}, FLAG_AUTO_CORRECTION,
		{ context, null, new String[] {}, (int)OBJ_FLAG_AUTO_CORRECTION,
		(Class<?>) SuggestionSpanPickedNotificationReceiver.class };
		final Object ss = CompatUtils.newInstance(CONSTRUCTOR_SuggestionSpan, args);
		if (ss == null) {
		@@ -78,7 +93,8 @@ public class SuggestionSpanUtils {
		CharSequence pickedWord, SuggestedWords suggestedWords) {
		if (TextUtils.isEmpty(pickedWord) \|\| CONSTRUCTOR_SuggestionSpan == null
		\|\| suggestedWords == null \|\| suggestedWords.size() == 0
		\|\| suggestedWords.getInfo(0).isObsoleteSuggestedWord()) {
		\|\| suggestedWords.getInfo(0).isObsoleteSuggestedWord()
		\|\| OBJ_SUGGESTION_MAX_SIZE == null) {
		return pickedWord;
		}

		@@ -90,7 +106,7 @@ public class SuggestionSpanUtils {
		}
		final ArrayList<String> suggestionsList = new ArrayList<String>();
		for (int i = 0; i < suggestedWords.size(); ++i) {
		if (suggestionsList.size() >= SUGGESTION_MAX_SIZE) {
		if (suggestionsList.size() >= OBJ_SUGGESTION_MAX_SIZE) {
		break;
		}
		final CharSequence word = suggestedWords.getWord(i);