/*
 * BRLTTY - A background process providing access to the console screen (when in
 *          text mode) for a blind person using a refreshable braille display.
 *
 * Copyright (C) 1995-2022 by The BRLTTY Developers.
 *
 * BRLTTY comes with ABSOLUTELY NO WARRANTY.
 *
 * This is free software, placed under the terms of the
 * GNU Lesser General Public License, as published by the Free Software
 * Foundation; either version 2.1 of the License, or (at your option) any
 * later version. Please see the file LICENSE-LGPL for details.
 *
 * Web Page: http://brltty.app/
 *
 * This software is maintained by Dave Mielke <dave@mielke.cc>.
 */

package org.a11y.brltty.android.settings;
import org.a11y.brltty.android.*;

import android.preference.Preference;
import android.preference.PreferenceScreen;

public abstract class PreferenceButton
extends PreferenceWrapper<Preference>
implements Preference.OnPreferenceClickListener
{
  protected abstract void onButtonClicked ();

  @Override
  public boolean onPreferenceClick (Preference preference) {
    onButtonClicked();
    return true;
  }

  protected PreferenceButton (SettingsFragment fragment, int key) {
    super(fragment, key);
    preference.setOnPreferenceClickListener(this);
  }

  protected final PreferenceScreen findScreen () {
    Preference pref = preference;

    while (pref != null) {
      if (pref instanceof PreferenceScreen) return (PreferenceScreen)pref;
      pref = pref.getParent();
    }

    return null;
  }

  protected final void dismissScreen () {
    findScreen().getDialog().dismiss();
  }
}
