diff options
Diffstat (limited to 'java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java')
| -rw-r--r-- | java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java | 71 |
1 files changed, 66 insertions, 5 deletions
diff --git a/java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java b/java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java index 4929dd948..a0f48d24c 100644 --- a/java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java +++ b/java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java @@ -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; @@ -24,19 +25,21 @@ import android.text.Spannable; import android.text.SpannableString; import android.text.Spanned; 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; public class SuggestionSpanUtils { + private static final String TAG = SuggestionSpanUtils.class.getSimpleName(); // TODO: Use reflection to get field values public static final String ACTION_SUGGESTION_PICKED = "android.text.style.SUGGESTION_PICKED"; 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"; - public static final int SUGGESTION_MAX_SIZE = 5; public static final boolean SUGGESTION_SPAN_IS_SUPPORTED; private static final Class<?> CLASS_SuggestionSpan = CompatUtils @@ -45,15 +48,68 @@ 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_EASY_CORRECT = + CompatUtils.getField(CLASS_SuggestionSpan, "FLAG_EASY_CORRECT"); + public static final Field FIELD_FLAG_MISSPELLED = + CompatUtils.getField(CLASS_SuggestionSpan, "FLAG_MISSPELLED"); + public static final Field FIELD_FLAG_AUTO_CORRECTION = + CompatUtils.getField(CLASS_SuggestionSpan, "FLAG_AUTO_CORRECTION"); + public static final Field FIELD_SUGGESTIONS_MAX_SIZE + = CompatUtils.getField(CLASS_SuggestionSpan, "SUGGESTIONS_MAX_SIZE"); + public static final Integer OBJ_FLAG_EASY_CORRECT = (Integer) CompatUtils + .getFieldValue(null, null, FIELD_FLAG_EASY_CORRECT); + public static final Integer OBJ_FLAG_MISSPELLED = (Integer) CompatUtils + .getFieldValue(null, null, FIELD_FLAG_MISSPELLED); + public static final Integer OBJ_FLAG_AUTO_CORRECTION = (Integer) CompatUtils + .getFieldValue(null, null, FIELD_FLAG_AUTO_CORRECTION); + public static final Integer OBJ_SUGGESTIONS_MAX_SIZE = (Integer) CompatUtils + .getFieldValue(null, null, FIELD_SUGGESTIONS_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_SUGGESTIONS_MAX_SIZE == null + || OBJ_FLAG_MISSPELLED == null || OBJ_FLAG_EASY_CORRECT == null)) { + throw new RuntimeException("Field is accidentially null."); + } + } + } + + private SuggestionSpanUtils() { + // This utility class is not publicly instantiable. + } + + public static CharSequence getTextWithAutoCorrectionIndicatorUnderline( + Context context, CharSequence text) { + if (TextUtils.isEmpty(text) || CONSTRUCTOR_SuggestionSpan == null + || OBJ_FLAG_AUTO_CORRECTION == null || OBJ_SUGGESTIONS_MAX_SIZE == null + || OBJ_FLAG_MISSPELLED == null || OBJ_FLAG_EASY_CORRECT == null) { + return text; + } + final Spannable spannable = text instanceof Spannable + ? (Spannable) text : new SpannableString(text); + final Object[] args = + { context, null, new String[] {}, (int)OBJ_FLAG_AUTO_CORRECTION, + (Class<?>) SuggestionSpanPickedNotificationReceiver.class }; + final Object ss = CompatUtils.newInstance(CONSTRUCTOR_SuggestionSpan, args); + if (ss == null) { + Log.w(TAG, "Suggestion span was not created."); + return text; + } + spannable.setSpan(ss, 0, text.length(), + Spanned.SPAN_EXCLUSIVE_EXCLUSIVE | Spanned.SPAN_COMPOSING); + return spannable; } public static CharSequence getTextWithSuggestionSpan(Context context, - CharSequence pickedWord, SuggestedWords suggestedWords) { - if (TextUtils.isEmpty(pickedWord) || CONSTRUCTOR_SuggestionSpan == null - || suggestedWords == null || suggestedWords.size() == 0) { + CharSequence pickedWord, SuggestedWords suggestedWords, boolean dictionaryAvailable) { + if (!dictionaryAvailable || TextUtils.isEmpty(pickedWord) + || CONSTRUCTOR_SuggestionSpan == null + || suggestedWords == null || suggestedWords.size() == 0 + || suggestedWords.mIsPrediction || suggestedWords.mIsPunctuationSuggestions + || OBJ_SUGGESTIONS_MAX_SIZE == null) { return pickedWord; } @@ -64,16 +120,21 @@ public class SuggestionSpanUtils { spannable = new SpannableString(pickedWord); } final ArrayList<String> suggestionsList = new ArrayList<String>(); + boolean sameAsTyped = false; for (int i = 0; i < suggestedWords.size(); ++i) { - if (suggestionsList.size() >= SUGGESTION_MAX_SIZE) { + if (suggestionsList.size() >= OBJ_SUGGESTIONS_MAX_SIZE) { break; } final CharSequence word = suggestedWords.getWord(i); if (!TextUtils.equals(pickedWord, word)) { suggestionsList.add(word.toString()); + } else if (i == 0) { + sameAsTyped = true; } } + // TODO: We should avoid adding suggestion span candidates that came from the bigram + // prediction. final Object[] args = { context, null, suggestionsList.toArray(new String[suggestionsList.size()]), 0, (Class<?>) SuggestionSpanPickedNotificationReceiver.class }; |