content: /*
   * Copyright (C) 2025 Răzvan Albu
   *
   * 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 com.stario.launcher.ui.common.pager;
  
  import android.content.Context;
  import android.util.AttributeSet;
  import android.util.Log;
  import android.view.animation.Interpolator;
  
  import androidx.viewpager.widget.ViewPager;
  
  import java.lang.reflect.Field;
  
  public class CustomDurationViewPager extends ViewPager {
      public CustomDurationViewPager(Context context) {
          super(context);
  
          init();
      }
  
      public CustomDurationViewPager(Context context, AttributeSet attrs) {
          super(context, attrs);
  
          init();
      }
  
      private CustomDurationScroller mScroller = null;
  
      /**
       * Override the Scroller instance with our own class so we can change the
       * duration
       */
      private void init() {
          try {
              Field scroller = ViewPager.class.getDeclaredField("mScroller");
              scroller.setAccessible(true);
              Field interpolator = ViewPager.class.getDeclaredField("sInterpolator");
              interpolator.setAccessible(true);
  
              mScroller = new CustomDurationScroller(getContext(),
                      (Interpolator) interpolator.get(null));
              scroller.set(this, mScroller);
          } catch (Exception exception) {
              Log.e("com.stario.CustomDurationViewPager",
                      "postInitViewPager: Unknown reflection exception", exception);
          }
  
          setScrollDurationFactor(0.5f);
      }
  
      /**
       * Set the factor by which the duration will change
       */
      public void setScrollDurationFactor(double scrollFactor) {
          mScroller.setScrollDurationFactor(scrollFactor);
      }
  }