/*
 * Copyright (c) 2016 Google Inc.
 *
 * 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.google.samples.apps.iosched.ui.widget.recyclerview;

import android.graphics.Rect;
import android.support.v7.widget.RecyclerView;
import android.view.View;

/**
 * A {@link RecyclerView.ItemDecoration} for adding margins to items in a {@code RecyclerView}.
 */
public class ItemMarginDecoration extends RecyclerView.ItemDecoration {

    private final int mMarginLeft;
    private final int mMarginTop;
    private final int mMarginRight;
    private final int mMarginBottom;

    public ItemMarginDecoration(int marginLeft, int marginTop, int marginRight, int marginBottom) {
        mMarginLeft = marginLeft;
        mMarginTop = marginTop;
        mMarginRight = marginRight;
        mMarginBottom = marginBottom;
    }

    @Override
    public void getItemOffsets(Rect outRect,
                               View view,
                               RecyclerView parent,
                               RecyclerView.State state) {
        outRect.left = mMarginLeft;
        outRect.top = mMarginTop;
        outRect.right = mMarginRight;
        outRect.bottom = mMarginBottom;
    }

}