LatinIME/java/src/com/android/inputmethod/keyboard/internal/LanguageOnSpacebarHelper.java

69 lines
2.8 KiB
Java

/*
* 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.keyboard.internal;
import android.view.inputmethod.InputMethodSubtype;
import com.android.inputmethod.latin.utils.SubtypeLocaleUtils;
import java.util.Collections;
import java.util.List;
/**
* This class determines that the language name on the spacebar should be displayed in what format.
*/
public final class LanguageOnSpacebarHelper {
public static final int FORMAT_TYPE_NONE = 0;
public static final int FORMAT_TYPE_LANGUAGE_ONLY = 1;
public static final int FORMAT_TYPE_FULL_LOCALE = 2;
private List<InputMethodSubtype> mEnabledSubtypes = Collections.emptyList();
private boolean mIsSystemLanguageSameAsInputLanguage;
public int getLanguageOnSpacebarFormatType(final InputMethodSubtype subtype) {
if (SubtypeLocaleUtils.isNoLanguage(subtype)) {
return FORMAT_TYPE_FULL_LOCALE;
}
// Only this subtype is enabled and equals to the system locale.
if (mEnabledSubtypes.size() < 2 && mIsSystemLanguageSameAsInputLanguage) {
return FORMAT_TYPE_NONE;
}
final String keyboardLanguage = SubtypeLocaleUtils.getSubtypeLocale(subtype).getLanguage();
final String keyboardLayout = SubtypeLocaleUtils.getKeyboardLayoutSetName(subtype);
int sameLanguageAndLayoutCount = 0;
for (final InputMethodSubtype ims : mEnabledSubtypes) {
final String language = SubtypeLocaleUtils.getSubtypeLocale(ims).getLanguage();
if (keyboardLanguage.equals(language) && keyboardLayout.equals(
SubtypeLocaleUtils.getKeyboardLayoutSetName(ims))) {
sameLanguageAndLayoutCount++;
}
}
// Display full locale name only when there are multiple subtypes that have the same
// locale and keyboard layout. Otherwise displaying language name is enough.
return sameLanguageAndLayoutCount > 1 ? FORMAT_TYPE_FULL_LOCALE
: FORMAT_TYPE_LANGUAGE_ONLY;
}
public void updateEnabledSubtypes(final List<InputMethodSubtype> enabledSubtypes) {
mEnabledSubtypes = enabledSubtypes;
}
public void updateIsSystemLanguageSameAsInputLanguage(final boolean isSame) {
mIsSystemLanguageSameAsInputLanguage = isSame;
}
}