content: /*
   * Copyright (C) 2014 AChep@xda <artemchep@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 2
   * 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, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
   * MA  02110-1301, USA.
   */
  package com.achep.acdisplay.blacklist.options;
  
  import android.content.Context;
  import android.graphics.drawable.Drawable;
  import androidx.annotation.NonNull;
  import android.widget.CompoundButton;
  
  import com.achep.acdisplay.blacklist.AppConfig;
  import com.achep.acdisplay.blacklist.Blacklist;
  import com.achep.base.utils.Operator;
  
  /**
   * Created by Artem on 27.02.14.
   */
  public abstract class Option extends Blacklist.OnBlacklistChangedListener implements
          CompoundButton.OnCheckedChangeListener {
  
      private final Context mContext;
      private final Blacklist mBlacklist;
      private AppConfig mAppConfig;
  
      private CompoundButton mCompoundButton;
      private boolean mBroadcasting;
  
      // ui
      public final Drawable icon;
      public final CharSequence title;
      public final CharSequence summary;
  
      public Option(Context context, CompoundButton cb,
                    Blacklist blacklist, String packageName,
                    Drawable icon,
                    CharSequence title,
                    CharSequence summary) {
          this.icon = icon;
          this.title = title;
          this.summary = summary;
  
          mContext = context;
          mCompoundButton = cb;
          mBlacklist = blacklist;
          mAppConfig = mBlacklist.getAppConfig(packageName);
      }
  
      public abstract boolean[] getValue(AppConfig config);
  
      /**
       * @return diff mask of current option.
       * @see com.achep.acdisplay.blacklist.AppConfig#DIFF_HIDDEN
       * @see com.achep.acdisplay.blacklist.AppConfig#DIFF_RESTRICTED
       * @see com.achep.acdisplay.blacklist.AppConfig#DIFF_NON_CLEARABLE
       */
      public abstract int getDiffMask();
  
      /**
       * Sets up listeners and updates the current state.
       * Make sure that you'll call {@link #pause()} later!
       */
      public void resume() {
          mBlacklist.registerListener(this);
          mCompoundButton.setOnCheckedChangeListener(this);
  
          setChecked(getValue(mAppConfig)[0]);
      }
  
      public void pause() {
          mBlacklist.unregisterListener(this);
          mCompoundButton.setOnCheckedChangeListener(null);
      }
  
      public void setCompoundButton(CompoundButton cb) {
          if (mCompoundButton == cb) {
              return;
          }
  
          boolean checked = cb.isChecked();
  
          mCompoundButton.setOnCheckedChangeListener(null);
          mCompoundButton = cb;
          mCompoundButton.setOnCheckedChangeListener(this);
          setChecked(checked);
      }
  
      private void setChecked(boolean checked) {
          mBroadcasting = true;
          mCompoundButton.setChecked(checked);
          mBroadcasting = false;
      }
  
      @Override
      public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
          if (mBroadcasting) {
              return;
          }
  
          getValue(mAppConfig)[0] = isChecked;
  
          // Clone current state cause it can be changed after.
          mBlacklist.saveAppConfig(mContext, mAppConfig, this);
      }
  
      // //////////////////////////////////////////
      // ///////// -- BLACKLIST CORE -- ///////////
      // //////////////////////////////////////////
  
      @Override
      public void onBlacklistChanged(
              @NonNull AppConfig configNew,
              @NonNull AppConfig configOld, int diff) {
          if (configOld.equals(mAppConfig)) {
              mAppConfig = configNew;
              if (Operator.bitAnd(diff, getDiffMask())) {
                  setChecked(getValue(configNew)[0]);
              }
          }
      }
  }
  