de.vanita5.twittnuker.util.UserColorNameUtils.java Source code

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Here is the source code for de.vanita5.twittnuker.util.UserColorNameUtils.java

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/*
 * Twittnuker - Twitter client for Android
 *
 * Copyright (C) 2013-2015 vanita5 <mail@vanita5.de>
 *
 * This program incorporates a modified version of Twidere.
 * Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.vanita5.twittnuker.util;

import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.graphics.Color;
import android.support.v4.util.LongSparseArray;

import java.util.Map;

import de.vanita5.twittnuker.Constants;
import de.vanita5.twittnuker.R;
import de.vanita5.twittnuker.model.ParcelableStatus;
import de.vanita5.twittnuker.model.ParcelableUser;
import twitter4j.TwitterConstants;

import static android.text.TextUtils.isEmpty;

public class UserColorNameUtils implements Constants {

    private static LongSparseArray<Integer> sUserColors = new LongSparseArray<>();

    private UserColorNameUtils() {
        throw new AssertionError();
    }

    public static void clearUserColor(final Context context, final long user_id) {
        if (context == null)
            return;
        sUserColors.remove(user_id);
        final SharedPreferences prefs = context.getSharedPreferences(USER_COLOR_PREFERENCES_NAME,
                Context.MODE_PRIVATE);
        final SharedPreferences.Editor editor = prefs.edit();
        editor.remove(Long.toString(user_id));
        editor.apply();
    }

    public static String getDisplayName(final Context context, final ParcelableUser user) {
        return getDisplayName(context, user.name, user.screen_name);
    }

    public static String getDisplayName(final Context context, final String name, final String screenName) {
        if (context == null)
            return null;
        final SharedPreferences prefs = context.getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
        final boolean nameFirst = prefs.getBoolean(KEY_NAME_FIRST, true);
        return getDisplayName(name, screenName, nameFirst);
    }

    public static String getDisplayName(final ParcelableUser user, final boolean nameFirst) {
        return getDisplayName(user.name, user.screen_name, nameFirst);
    }

    public static String getDisplayName(final ParcelableStatus status, final boolean nameFirst) {
        return getDisplayName(status.user_name, status.user_screen_name, nameFirst);
    }

    public static String getDisplayName(final String name, final String screenName, final boolean nameFirst) {
        return nameFirst && !isEmpty(name) ? name : "@" + screenName;
    }

    public static int getUserColor(final Context context, final long user_id) {
        return getUserColor(context, user_id, false);
    }

    public static int getUserColor(final Context context, final long userId, final boolean ignoreCache) {
        if (context == null || userId == -1)
            return Color.TRANSPARENT;
        if (!ignoreCache && sUserColors.indexOfKey(userId) >= 0)
            return sUserColors.get(userId);
        final SharedPreferences prefs = context.getSharedPreferences(USER_COLOR_PREFERENCES_NAME,
                Context.MODE_PRIVATE);
        final int color = prefs.getInt(Long.toString(userId), Color.TRANSPARENT);
        sUserColors.put(userId, color);
        return color;
    }

    public static void initUserColor(final Context context) {
        if (context == null)
            return;
        final SharedPreferences prefs = context.getSharedPreferences(USER_COLOR_PREFERENCES_NAME,
                Context.MODE_PRIVATE);
        for (final Map.Entry<String, ?> entry : prefs.getAll().entrySet()) {
            sUserColors.put(ParseUtils.parseLong(entry.getKey()),
                    ParseUtils.parseInt(ParseUtils.parseString(entry.getValue())));
        }
    }

    public static void registerOnUserColorChangedListener(final Context context,
            final OnUserColorChangedListener listener) {

        final SharedPreferences prefs = context.getSharedPreferences(USER_COLOR_PREFERENCES_NAME,
                Context.MODE_PRIVATE);
        prefs.registerOnSharedPreferenceChangeListener(new OnColorPreferenceChangeListener(listener));
    }

    public static void setUserColor(final Context context, final long user_id, final int color) {
        if (context == null || user_id == -1)
            return;
        sUserColors.put(user_id, color);
        final SharedPreferences prefs = context.getSharedPreferences(USER_COLOR_PREFERENCES_NAME,
                Context.MODE_PRIVATE);
        final SharedPreferences.Editor editor = prefs.edit();
        editor.putInt(String.valueOf(user_id), color);
        editor.apply();
    }

    public static interface OnUserColorChangedListener {
        void onUserColorChanged(long userId, int color);
    }

    public static interface OnUserNicknameChangedListener {
        void onUserNicknameChanged(long userId, String nick);
    }

    private static final class OnColorPreferenceChangeListener implements OnSharedPreferenceChangeListener {

        private final OnUserColorChangedListener mListener;

        OnColorPreferenceChangeListener(final OnUserColorChangedListener listener) {
            mListener = listener;
        }

        @Override
        public void onSharedPreferenceChanged(final SharedPreferences sharedPreferences, final String key) {
            final long userId = ParseUtils.parseLong(key, -1);
            if (mListener != null) {
                mListener.onUserColorChanged(userId, sharedPreferences.getInt(key, 0));
            }
        }

    }
}