content: /*
   * MIT License
   *
   * Copyright (c) 2016 Alibaba Group
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  package com.alibaba.android.vlayout.layout;
  
  import com.alibaba.android.vlayout.LayoutManagerHelper;
  
  import android.view.View;
  import android.view.ViewPropertyAnimator;
  
  /**
   * LayoutHelper that will be located as fix position
   */
  public abstract class FixAreaLayoutHelper extends BaseLayoutHelper {
      protected FixAreaAdjuster mAdjuster = FixAreaAdjuster.mDefaultAdjuster;
  
      protected FixViewAnimatorHelper mFixViewAnimatorHelper;
  
      public void setAdjuster(FixAreaAdjuster adjuster) {
          this.mAdjuster = adjuster;
      }
  
      public void setFixViewAnimatorHelper(
              FixViewAnimatorHelper fixViewAnimatorHelper) {
          mFixViewAnimatorHelper = fixViewAnimatorHelper;
      }
  
      @Override
      public void adjustLayout(int startPosition, int endPosition, LayoutManagerHelper helper) {
  
      }
  
      public boolean isFixLayout() {
          return true;
      }
  
      public interface FixViewAnimatorHelper {
  
          ViewPropertyAnimator onGetFixViewAppearAnimator(View fixView);
  
          ViewPropertyAnimator onGetFixViewDisappearAnimator(View fixView);
  
      }
  
      @Override
      public int computeMarginStart(int offset, boolean isLayoutEnd, boolean useAnchor, LayoutManagerHelper helper) {
          return 0;
      }
  
      @Override
      public int computeMarginEnd(int offset, boolean isLayoutEnd, boolean useAnchor, LayoutManagerHelper helper) {
          return 0;
      }
  
      @Override
      public int computePaddingStart(int offset, boolean isLayoutEnd, boolean useAnchor, LayoutManagerHelper helper) {
          return 0;
      }
  
      @Override
      public int computePaddingEnd(int offset, boolean isLayoutEnd, boolean useAnchor, LayoutManagerHelper helper) {
          return 0;
      }
  }
  