225 lines
9.7 KiB
Java
225 lines
9.7 KiB
Java
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.twidere.adapter;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.support.v4.widget.SimpleCursorAdapter;
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import android.text.TextUtils;
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import android.view.View;
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import android.widget.EditText;
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import android.widget.FilterQueryProvider;
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import android.widget.ImageView;
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import android.widget.TextView;
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import org.mariotaku.querybuilder.Columns.Column;
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import org.mariotaku.querybuilder.Expression;
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import org.mariotaku.querybuilder.RawItemArray;
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import org.mariotaku.twidere.Constants;
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import org.mariotaku.twidere.R;
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import org.mariotaku.twidere.app.TwidereApplication;
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import org.mariotaku.twidere.provider.TweetStore.CachedHashtags;
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import org.mariotaku.twidere.provider.TweetStore.CachedUsers;
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import org.mariotaku.twidere.provider.TweetStore.CachedValues;
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import org.mariotaku.twidere.util.ArrayUtils;
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import org.mariotaku.twidere.util.ImageLoaderWrapper;
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import org.mariotaku.twidere.util.ParseUtils;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map.Entry;
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import static org.mariotaku.twidere.util.UserColorNicknameUtils.getUserNickname;
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public class UserHashtagAutoCompleteAdapter extends SimpleCursorAdapter implements Constants {
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private static final String[] FROM = new String[0];
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private static final int[] TO = new int[0];
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private static final String[] CACHED_USERS_COLUMNS = new String[]{CachedUsers._ID, CachedUsers.USER_ID,
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CachedUsers.NAME, CachedUsers.SCREEN_NAME, CachedUsers.PROFILE_IMAGE_URL};
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private final Locale mLocale;
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private final ContentResolver mResolver;
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private final SQLiteDatabase mDatabase;
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private final ImageLoaderWrapper mProfileImageLoader;
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private final SharedPreferences mPreferences, mUserNicknamePreferences;
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private final EditText mEditText;
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private final boolean mDisplayProfileImage, mNicknameOnly;
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private int mProfileImageUrlIdx, mNameIdx, mScreenNameIdx, mUserIdIdx;
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private char mToken = '@';
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public UserHashtagAutoCompleteAdapter(final Context context) {
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this(context, null);
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}
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public UserHashtagAutoCompleteAdapter(final Context context, final EditText view) {
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super(context, R.layout.list_item_two_line_small, null, FROM, TO, 0);
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mEditText = view;
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mPreferences = context.getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
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mUserNicknamePreferences = context.getSharedPreferences(USER_NICKNAME_PREFERENCES_NAME, Context.MODE_PRIVATE);
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mResolver = context.getContentResolver();
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final TwidereApplication app = TwidereApplication.getInstance(context);
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mProfileImageLoader = app != null ? app.getImageLoaderWrapper() : null;
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mDatabase = app != null ? app.getSQLiteDatabase() : null;
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mDisplayProfileImage = mPreferences != null && mPreferences.getBoolean(KEY_DISPLAY_PROFILE_IMAGE, true);
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mNicknameOnly = mPreferences != null && mPreferences.getBoolean(KEY_NICKNAME_ONLY, false);
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mLocale = context.getResources().getConfiguration().locale;
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}
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public UserHashtagAutoCompleteAdapter(final EditText view) {
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this(view.getContext(), view);
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}
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@Override
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public void bindView(final View view, final Context context, final Cursor cursor) {
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if (isCursorClosed()) return;
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final TextView text1 = (TextView) view.findViewById(android.R.id.text1);
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final TextView text2 = (TextView) view.findViewById(android.R.id.text2);
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final ImageView icon = (ImageView) view.findViewById(android.R.id.icon);
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// Clear images in prder to prevent images in recycled view shown.
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icon.setImageDrawable(null);
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if (mScreenNameIdx != -1 && mNameIdx != -1 && mUserIdIdx != -1) {
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final String nick = getUserNickname(context, cursor.getLong(mUserIdIdx));
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final String name = cursor.getString(mNameIdx);
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if (TextUtils.isEmpty(nick)) {
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text1.setText(name);
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} else {
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text1.setText(mNicknameOnly ? nick : context.getString(R.string.name_with_nickname, name, nick));
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}
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text2.setText("@" + cursor.getString(mScreenNameIdx));
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} else {
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text1.setText("#" + cursor.getString(mNameIdx));
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text2.setText(R.string.hashtag);
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}
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icon.setVisibility(mDisplayProfileImage ? View.VISIBLE : View.GONE);
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if (mProfileImageUrlIdx != -1) {
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if (mDisplayProfileImage && mProfileImageLoader != null) {
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final String profile_image_url_string = cursor.getString(mProfileImageUrlIdx);
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mProfileImageLoader.displayProfileImage(icon, profile_image_url_string);
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} else {
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icon.setImageResource(R.drawable.ic_profile_image_default);
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}
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} else {
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icon.setImageResource(R.drawable.ic_action_hashtag);
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}
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super.bindView(view, context, cursor);
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}
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public void closeCursor() {
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final Cursor cursor = getCursor();
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if (cursor == null) return;
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if (!cursor.isClosed()) {
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cursor.close();
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}
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}
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@Override
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public CharSequence convertToString(final Cursor cursor) {
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if (isCursorClosed()) return null;
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return cursor.getString(mScreenNameIdx != -1 ? mScreenNameIdx : mNameIdx);
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}
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public boolean isCursorClosed() {
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final Cursor cursor = getCursor();
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return cursor == null || cursor.isClosed();
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}
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@Override
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public Cursor runQueryOnBackgroundThread(final CharSequence constraint) {
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char token = mToken;
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if (mEditText != null && constraint != null) {
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final CharSequence text = mEditText.getText();
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token = text.charAt(mEditText.getSelectionEnd() - constraint.length() - 1);
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}
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if (isAtSymbol(token) == isAtSymbol(mToken)) {
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final FilterQueryProvider filter = getFilterQueryProvider();
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if (filter != null) return filter.runQuery(constraint);
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}
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mToken = token;
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final String constraint_escaped = constraint != null ? constraint.toString().replaceAll("_", "^_") : null;
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if (isAtSymbol(token)) {
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final StringBuilder builder = new StringBuilder();
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builder.append(CachedUsers.SCREEN_NAME + " LIKE ?||'%' ESCAPE '^'");
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builder.append(" OR ");
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builder.append(CachedUsers.NAME + " LIKE ?||'%' ESCAPE '^'");
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builder.append(" OR ");
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builder.append(Expression.in(new Column(CachedUsers.USER_ID),
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new RawItemArray(getMatchedNicknameIds(ParseUtils.parseString(constraint)))).getSQL());
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final String selection = constraint_escaped != null ? builder.toString() : null;
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final String[] selectionArgs = constraint_escaped != null ? new String[]{constraint_escaped,
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constraint_escaped} : null;
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final String orderBy = CachedUsers.SCREEN_NAME + ", " + CachedUsers.NAME;
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return mResolver.query(CachedUsers.CONTENT_URI, CACHED_USERS_COLUMNS, selection, selectionArgs, orderBy);
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} else {
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final String selection = constraint_escaped != null ? CachedHashtags.NAME + " LIKE ?||'%' ESCAPE '^'"
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: null;
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final String[] selectionArgs = constraint_escaped != null ? new String[]{constraint_escaped} : null;
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return mDatabase.query(true, CachedHashtags.TABLE_NAME, CachedHashtags.COLUMNS, selection, selectionArgs,
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null, null, CachedHashtags.NAME, null);
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}
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}
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@Override
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public Cursor swapCursor(final Cursor cursor) {
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if (cursor != null) {
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mNameIdx = cursor.getColumnIndex(CachedValues.NAME);
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mScreenNameIdx = cursor.getColumnIndex(CachedUsers.SCREEN_NAME);
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mUserIdIdx = cursor.getColumnIndex(CachedUsers.USER_ID);
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mProfileImageUrlIdx = cursor.getColumnIndex(CachedUsers.PROFILE_IMAGE_URL);
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}
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return super.swapCursor(cursor);
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}
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private long[] getMatchedNicknameIds(final String str) {
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if (TextUtils.isEmpty(str)) return new long[0];
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final List<Long> list = new ArrayList<Long>();
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for (final Entry<String, ?> entry : mUserNicknamePreferences.getAll().entrySet()) {
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final String value = ParseUtils.parseString(entry.getValue());
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final long key = ParseUtils.parseLong(entry.getKey(), -1);
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if (key == -1 || TextUtils.isEmpty(value)) {
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continue;
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}
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if (value.toLowerCase(mLocale).startsWith(str.toLowerCase(mLocale))) {
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list.add(key);
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}
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}
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return ArrayUtils.fromList(list);
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}
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private static boolean isAtSymbol(final char character) {
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switch (character) {
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case '\uff20':
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case '@':
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return true;
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}
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return false;
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}
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}
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