PrismItemAdapter.java

/*
* Copyright (C) 2015 Pedro Paulo de Amorim.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.github.ppamorim.collection;

import android.support.v4.util.SparseArrayCompat;
import android.view.LayoutInflater;
import android.view.View;
import java.lang.ref.WeakReference;

public class PrismItemAdapter {

  private final PrismItems prismItems;
  private final SparseArrayCompat<WeakReference<View>> holder;
  private final LayoutInflater inflater;

  public PrismItemAdapter(PrismItems prismItems) {
    this.prismItems = prismItems;
    this.holder = new SparseArrayCompat<>(prismItems.size());
    this.inflater = LayoutInflater.from(prismItems.getContext());
  }

  public int getCount() {
    return prismItems.size();
  }

  public View getPrism(int position) {
    final WeakReference<View> weakRefItem = holder.get(position);
    return (weakRefItem != null) ? weakRefItem.get() : null;
  }

  protected PrismItem getPagerItem(int position) {
    return prismItems.get(position);
  }

}