arun.com.chromer.settings.preferences.BasePreferenceFragment.java Source code

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Here is the source code for arun.com.chromer.settings.preferences.BasePreferenceFragment.java

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/*
 * Lynket
 *
 * Copyright (C) 2019 Arunkumar
 *
 * 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 arun.com.chromer.settings.preferences;

import android.content.BroadcastReceiver;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceFragmentCompat;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.ViewGroup;

import arun.com.chromer.settings.widgets.ColorPreference;
import arun.com.chromer.shared.base.Snackable;

/**
 * Created by Arun on 02/03/2016.
 */
public abstract class BasePreferenceFragment extends PreferenceFragmentCompat
        implements SharedPreferences.OnSharedPreferenceChangeListener {

    @Override
    public void onCreatePreferences(Bundle bundle, String s) {
        // To be used by deriving classes
    }

    @Override
    public RecyclerView onCreateRecyclerView(LayoutInflater inflater, ViewGroup parent, Bundle savedInstanceState) {
        final RecyclerView recyclerView = super.onCreateRecyclerView(inflater, parent, savedInstanceState);
        // Needed for not eating touch event when flinged.
        recyclerView.setNestedScrollingEnabled(false);
        return recyclerView;
    }

    protected void enableDisablePreference(boolean enabled, String... preferenceKeys) {
        for (final String preferenceKey : preferenceKeys) {
            final Preference preference = findPreference(preferenceKey);
            if (preference != null) {
                preference.setEnabled(enabled);
            }
        }
    }

    protected void updatePreferenceSummary(String... preferenceKeys) {
        for (final String key : preferenceKeys) {
            final Preference preference = getPreferenceScreen().findPreference(key);
            if (preference instanceof ListPreference) {
                final ListPreference listPreference = (ListPreference) preference;
                listPreference.setSummary(listPreference.getEntry());
            } else if (preference instanceof ColorPreference) {
                final ColorPreference colorPreference = (ColorPreference) preference;
                colorPreference.refreshSummary();
            }
        }
    }

    @Override
    public void onResume() {
        super.onResume();
        getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
    }

    @Override
    public void onPause() {
        getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
        super.onPause();
    }

    @Override
    public abstract void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key);

    protected void registerReceiver(@Nullable BroadcastReceiver receiver, @Nullable IntentFilter filter) {
        if (receiver != null && filter != null) {
            getLocalBroadcastManager().registerReceiver(receiver, filter);
        }
    }

    protected void unregisterReceiver(@Nullable BroadcastReceiver receiver) {
        if (receiver != null) {
            getLocalBroadcastManager().unregisterReceiver(receiver);
        }
    }

    @NonNull
    protected LocalBroadcastManager getLocalBroadcastManager() {
        return LocalBroadcastManager.getInstance(getActivity());
    }

    protected void snackLong(@NonNull final String textToSnack) {
        if (getActivity() instanceof Snackable) {
            final Snackable snackable = (Snackable) getActivity();
            snackable.snackLong(textToSnack);
        }
    }

    @NonNull
    protected SharedPreferences getSharedPreferences() {
        return getPreferenceManager().getSharedPreferences();
    }
}