| /* |
| * Copyright (C) 2022 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.internal.app; |
| |
| import android.text.TextUtils; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.ImageView; |
| import android.widget.RelativeLayout; |
| import android.widget.TextView; |
| |
| import com.android.internal.R; |
| |
| import java.util.Locale; |
| import java.util.Set; |
| |
| /** |
| * This adapter extends basic SuggestedLocaleAdapter. In addition to the base functionality, it |
| * shows language name not only in the native locale, but in secondary locale as well. Secondary |
| * locale is passed as a constructor parameter. |
| */ |
| public class BilingualSuggestedLocaleAdapter extends SuggestedLocaleAdapter { |
| |
| private final Locale mSecondaryLocale; |
| private final int mSecondaryLocaleTextDir; |
| private final boolean mShowSelection; |
| private LocaleStore.LocaleInfo mSelectedLocaleInfo; |
| |
| public BilingualSuggestedLocaleAdapter( |
| Set<LocaleStore.LocaleInfo> localeOptions, |
| boolean countryMode, |
| Locale secondaryLocale) { |
| this(localeOptions, countryMode, secondaryLocale, false); |
| } |
| |
| public BilingualSuggestedLocaleAdapter( |
| Set<LocaleStore.LocaleInfo> localeOptions, |
| boolean countryMode, |
| Locale secondaryLocale, |
| boolean showLastSelected) { |
| super(localeOptions, countryMode); |
| mSecondaryLocale = secondaryLocale; |
| if (TextUtils.getLayoutDirectionFromLocale(secondaryLocale) == View.LAYOUT_DIRECTION_RTL) { |
| mSecondaryLocaleTextDir = View.TEXT_DIRECTION_RTL; |
| } else { |
| mSecondaryLocaleTextDir = View.TEXT_DIRECTION_LTR; |
| } |
| mShowSelection = showLastSelected; |
| } |
| |
| @Override |
| public View getView(int position, View convertView, ViewGroup parent) { |
| if (convertView == null && super.mInflater == null) { |
| mInflater = LayoutInflater.from(parent.getContext()); |
| } |
| |
| int itemType = getItemViewType(position); |
| switch (itemType) { |
| case TYPE_HEADER_SUGGESTED: // intentional fallthrough |
| case TYPE_HEADER_ALL_OTHERS: |
| // Covers both null, and "reusing" a wrong kind of view |
| if (!(convertView instanceof TextView)) { |
| convertView = |
| mInflater.inflate( |
| R.layout.language_picker_bilingual_section_header, |
| parent, |
| false); |
| } |
| TextView textView = (TextView) convertView; |
| if (itemType == TYPE_HEADER_SUGGESTED) { |
| setHeaderText( |
| textView, |
| R.string.language_picker_section_suggested_bilingual, |
| R.string.region_picker_section_suggested_bilingual); |
| } else { |
| setHeaderText( |
| textView, |
| R.string.language_picker_section_all, |
| R.string.region_picker_section_all); |
| } |
| break; |
| default: |
| // Covers both null, and "reusing" a wrong kind of view |
| if (!(convertView instanceof ViewGroup)) { |
| convertView = |
| mInflater.inflate( |
| R.layout.language_picker_bilingual_item, parent, false); |
| } |
| |
| LocaleStore.LocaleInfo item = (LocaleStore.LocaleInfo) getItem(position); |
| if (mShowSelection) { |
| setItemState(isSelectedLocaleInfo(item), convertView); |
| } |
| setLocaleToListItem(convertView, item); |
| } |
| return convertView; |
| } |
| |
| /** |
| * Set locale info as selected. Selected info can be the only one. Passing null would result to |
| * nothing is selected. |
| */ |
| public void setSelectedLocaleInfo(LocaleStore.LocaleInfo info) { |
| mSelectedLocaleInfo = info; |
| notifyDataSetChanged(); |
| } |
| |
| /** Return selected locale info. */ |
| public LocaleStore.LocaleInfo getSelectedLocaleInfo() { |
| return mSelectedLocaleInfo; |
| } |
| |
| private boolean isSelectedLocaleInfo(LocaleStore.LocaleInfo item) { |
| return item != null |
| && mSelectedLocaleInfo != null |
| && item.getId().equals(mSelectedLocaleInfo.getId()); |
| } |
| |
| private void setItemState(boolean selected, View itemView) { |
| RelativeLayout background = (RelativeLayout) itemView; |
| ImageView indicator = itemView.findViewById(R.id.indicator); |
| TextView textNative = itemView.findViewById(R.id.locale_native); |
| TextView textSecondary = itemView.findViewById(R.id.locale_secondary); |
| |
| if (indicator == null || textNative == null || textSecondary == null) { |
| return; |
| } |
| |
| textNative.setSelected(selected); |
| textSecondary.setSelected(selected); |
| if (selected) { |
| background.setBackgroundResource(R.drawable.language_picker_item_bg_selected); |
| indicator.setVisibility(View.VISIBLE); |
| } else { |
| background.setBackgroundResource(0); |
| indicator.setVisibility(View.GONE); |
| } |
| } |
| |
| private void setHeaderText( |
| TextView textView, int languageStringResourceId, int regionStringResourceId) { |
| if (mCountryMode) { |
| setTextTo(textView, regionStringResourceId); |
| } else { |
| setTextTo(textView, languageStringResourceId); |
| } |
| } |
| |
| private void setLocaleToListItem(View itemView, LocaleStore.LocaleInfo localeInfo) { |
| if (localeInfo == null) { |
| throw new NullPointerException("Cannot set locale, locale info is null."); |
| } |
| |
| TextView textNative = (TextView) itemView.findViewById(R.id.locale_native); |
| textNative.setText(localeInfo.getLabel(mCountryMode)); |
| textNative.setTextLocale(localeInfo.getLocale()); |
| textNative.setContentDescription(localeInfo.getContentDescription(mCountryMode)); |
| |
| TextView textSecondary = itemView.findViewById(R.id.locale_secondary); |
| textSecondary.setText(localeInfo.getLocale().getDisplayLanguage(mSecondaryLocale)); |
| textSecondary.setTextDirection(mSecondaryLocaleTextDir); |
| if (mCountryMode) { |
| int layoutDir = TextUtils.getLayoutDirectionFromLocale(localeInfo.getParent()); |
| //noinspection ResourceType |
| itemView.setLayoutDirection(layoutDir); |
| textNative.setTextDirection( |
| layoutDir == View.LAYOUT_DIRECTION_RTL |
| ? View.TEXT_DIRECTION_RTL |
| : View.TEXT_DIRECTION_LTR); |
| } |
| } |
| } |