diff options
Diffstat (limited to 'java/src/com/android/inputmethod/compat')
3 files changed, 86 insertions, 1 deletions
diff --git a/java/src/com/android/inputmethod/compat/CharacterCompat.java b/java/src/com/android/inputmethod/compat/CharacterCompat.java new file mode 100644 index 000000000..609fe1638 --- /dev/null +++ b/java/src/com/android/inputmethod/compat/CharacterCompat.java @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2014 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.inputmethod.compat; + +import java.lang.reflect.Method; + +public final class CharacterCompat { + // Note that Character.isAlphabetic(int), has been introduced in API level 19 + // (Build.VERSION_CODE.KITKAT). + private static final Method METHOD_isAlphabetic = CompatUtils.getMethod( + Character.class, "isAlphabetic", int.class); + + private CharacterCompat() { + // This utility class is not publicly instantiable. + } + + public static boolean isAlphabetic(final int code) { + if (METHOD_isAlphabetic != null) { + return (Boolean)CompatUtils.invoke(null, false, METHOD_isAlphabetic, code); + } + switch (Character.getType(code)) { + case Character.UPPERCASE_LETTER: + case Character.LOWERCASE_LETTER: + case Character.TITLECASE_LETTER: + case Character.MODIFIER_LETTER: + case Character.OTHER_LETTER: + case Character.LETTER_NUMBER: + return true; + default: + return false; + } + } +} diff --git a/java/src/com/android/inputmethod/compat/InputMethodSubtypeCompatUtils.java b/java/src/com/android/inputmethod/compat/InputMethodSubtypeCompatUtils.java index 365867257..b9a536721 100644 --- a/java/src/com/android/inputmethod/compat/InputMethodSubtypeCompatUtils.java +++ b/java/src/com/android/inputmethod/compat/InputMethodSubtypeCompatUtils.java @@ -21,6 +21,7 @@ import android.view.inputmethod.InputMethodSubtype; import com.android.inputmethod.annotations.UsedForTesting; import com.android.inputmethod.latin.Constants; +import com.android.inputmethod.latin.RichInputMethodSubtype; import java.lang.reflect.Constructor; import java.lang.reflect.Method; @@ -64,6 +65,10 @@ public final class InputMethodSubtypeCompatUtils { overridesImplicitlyEnabledSubtype, id); } + public static boolean isAsciiCapable(final RichInputMethodSubtype subtype) { + return isAsciiCapable(subtype.getRawSubtype()); + } + public static boolean isAsciiCapable(final InputMethodSubtype subtype) { return isAsciiCapableWithAPI(subtype) || subtype.containsExtraValueKey(Constants.Subtype.ExtraValue.ASCII_CAPABLE); diff --git a/java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java b/java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java index c33c01552..d3e24e342 100644 --- a/java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java +++ b/java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java @@ -23,13 +23,18 @@ import android.text.Spanned; import android.text.TextUtils; import android.text.style.SuggestionSpan; +import com.android.inputmethod.annotations.UsedForTesting; import com.android.inputmethod.latin.SuggestedWords; import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo; -import com.android.inputmethod.latin.define.DebugFlags; 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 @@ -51,12 +56,14 @@ public final class SuggestionSpanUtils { // This utility class is not publicly instantiable. } + @UsedForTesting public static CharSequence getTextWithAutoCorrectionIndicatorUnderline( final Context context, final String text) { if (TextUtils.isEmpty(text) || OBJ_FLAG_AUTO_CORRECTION == null) { return text; } final Spannable spannable = new SpannableString(text); + // TODO: Set locale if it is feasible. final SuggestionSpan suggestionSpan = new SuggestionSpan(context, null /* locale */, new String[] {} /* suggestions */, OBJ_FLAG_AUTO_CORRECTION, SuggestionSpanPickedNotificationReceiver.class); @@ -65,6 +72,7 @@ public final class SuggestionSpanUtils { return spannable; } + @UsedForTesting public static CharSequence getTextWithSuggestionSpan(final Context context, final String pickedWord, final SuggestedWords suggestedWords) { if (TextUtils.isEmpty(pickedWord) || suggestedWords.isEmpty() @@ -86,6 +94,7 @@ public final class SuggestionSpanUtils { suggestionsList.add(word.toString()); } } + // TODO: Set locale if it is feasible. final SuggestionSpan suggestionSpan = new SuggestionSpan(context, null /* locale */, suggestionsList.toArray(new String[suggestionsList.size()]), 0 /* flags */, SuggestionSpanPickedNotificationReceiver.class); @@ -93,4 +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; + } } |