package com.weikou.beibeivideo.ui.category;
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import android.app.Activity;
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import android.graphics.Canvas;
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import android.graphics.Rect;
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import android.support.annotation.NonNull;
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import android.support.v4.view.ViewPager;
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import android.support.v7.widget.GridLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.RelativeLayout;
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import com.lcjian.library.util.common.DimenUtils;
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import com.viewpagerindicator.CirclePageIndicator;
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import com.weikou.beibeivideo.entity.CategoryRecommendVideo;
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import com.weikou.beibeivideo.entity.VideoInfo;
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import com.weikou.beibeivideo.ui.video.VideoColumn2Adapter;
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import com.yeshi.buwanshequ.R;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Created by weikou2015 on 2016/8/18.
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*/
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public class CategoryRecommendAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
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private Activity mContext;
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private List<CategoryRecommendVideo> bannerList;
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private List<VideoInfo> mVideoList;
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private LayoutInflater inflater;
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private final static int TYPE_BANNER = 1;
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private final static int TYPE_VIDEO_LIST = 2;
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public CategoryRecommendAdapter(List<CategoryRecommendVideo> bannerList, List<VideoInfo> videoList, Activity context) {
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this.mVideoList = videoList;
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mContext = context;
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this.bannerList = bannerList;
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inflater = LayoutInflater.from(context);
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}
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/**
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* 设置banner
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*
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* @param bannerList
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*/
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public void setBannerList(List<CategoryRecommendVideo> bannerList) {
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if (this.bannerList == null)
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this.bannerList = new ArrayList<>();
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this.bannerList.clear();
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this.bannerList.addAll(bannerList);
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notifyDataSetChanged();
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}
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/**
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* 设置视频
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*
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* @param videoInfoList
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*/
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public void setVideoList(List<VideoInfo> videoInfoList) {
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if (this.mVideoList == null)
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this.mVideoList = new ArrayList<>();
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this.mVideoList.clear();
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this.mVideoList.addAll(videoInfoList);
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notifyDataSetChanged();
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}
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@NonNull
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@Override
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public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
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if (viewType == TYPE_BANNER) {
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return new BannerHolder(inflater.inflate(R.layout.item_cate_recommend_top, parent, false));
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} else {
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return new VideoListHolder(inflater.inflate(R.layout.item_recyclerview, null, false));
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}
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}
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private Runnable autoPlayBanner = null;
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private synchronized void autoPlayBanner(final ViewPager viewPager) {
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if (autoPlayBanner == null) {
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autoPlayBanner = new Runnable() {
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@Override
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public void run() {
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try {
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if (bannerList == null || bannerList.size() == 0)
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return;
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if (viewPager.getCurrentItem() >= bannerList.size() - 1) {
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viewPager.setCurrentItem(0, true);
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} else {
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viewPager.setCurrentItem(viewPager.getCurrentItem() + 1, true);
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}
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autoPlayBanner(viewPager);
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} catch (Exception e) {
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}
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}
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};
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viewPager.postDelayed(autoPlayBanner, 3000);
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} else {
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viewPager.removeCallbacks(autoPlayBanner);
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viewPager.postDelayed(autoPlayBanner, 3000);
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}
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}
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RecyclerView.ItemDecoration itemDecoration = new RecyclerView.ItemDecoration() {
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@Override
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public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
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super.onDraw(c, parent, state);
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}
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@Override
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public void onDrawOver(Canvas c, RecyclerView parent, RecyclerView.State state) {
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super.onDrawOver(c, parent, state);
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}
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@Override
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public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
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super.getItemOffsets(outRect, view, parent, state);
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int index = parent.getChildAdapterPosition(view);
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int total = parent.getAdapter().getItemCount();
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if (index % 2 == 0) {
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outRect.left = 0; //第一列左边贴边
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outRect.right = DimenUtils.dipToPixels(5, view.getContext());
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} else {
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outRect.right = 0; //第一列左边贴边
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outRect.left = DimenUtils.dipToPixels(5, view.getContext());
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}
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if (index - 1 > 0) {
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outRect.top = DimenUtils.dipToPixels(5, view.getContext());
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} else
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outRect.top = 0;
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if (total % 2 == 0) {
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if (total > 2 && (index < total - 2))
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outRect.bottom = DimenUtils.dipToPixels(5, view.getContext());
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else
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outRect.bottom = 0;
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} else {
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if (total > 2 && (index < total - 1))
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outRect.bottom = DimenUtils.dipToPixels(5, view.getContext());
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else
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outRect.bottom = 0;
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}
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}
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};
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@Override
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public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
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if (holder instanceof BannerHolder) {
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BannerHolder viewHolder = (BannerHolder) holder;
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if (bannerList == null || bannerList.size() == 0) {
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viewHolder.rl_banner.setVisibility(View.GONE);
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} else {
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viewHolder.rl_banner.setVisibility(View.VISIBLE);
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CategoryRecommedTopAdapter topAdapter = new CategoryRecommedTopAdapter(bannerList, mContext);
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viewHolder.vp_recommend.setAdapter(topAdapter);
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viewHolder.indicator_recommend.setViewPager(viewHolder.vp_recommend);
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autoPlayBanner(viewHolder.vp_recommend);
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}
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} else {
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VideoListHolder viewHolder = (VideoListHolder) holder;
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if (viewHolder.rv.getLayoutManager() == null || !(viewHolder.rv.getLayoutManager() instanceof GridLayoutManager)) {
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RecyclerView.LayoutManager layoutManager = new GridLayoutManager(mContext, 4);
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viewHolder.rv.setLayoutManager(layoutManager);
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}
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//统一分为2列
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((GridLayoutManager) viewHolder.rv.getLayoutManager()).setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
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@Override
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public int getSpanSize(int position) {
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return 2;
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}
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});
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viewHolder.rv.removeItemDecoration(itemDecoration);
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viewHolder.rv.addItemDecoration(itemDecoration);
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viewHolder.rv.setAdapter(new VideoColumn2Adapter(mContext, mVideoList, true));
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}
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}
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@Override
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public int getItemCount() {
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return 2;
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}
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@Override
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public int getItemViewType(int position) {
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if (position == 0)
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return TYPE_BANNER;
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else
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return TYPE_VIDEO_LIST;
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}
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class BannerHolder extends RecyclerView.ViewHolder {
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ViewPager vp_recommend;
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CirclePageIndicator indicator_recommend;
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RelativeLayout rl_banner;
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public BannerHolder(View itemView) {
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super(itemView);
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vp_recommend = itemView.findViewById(R.id.vp_recommend);
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indicator_recommend = itemView.findViewById(R.id.indicator_recommend);
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rl_banner = itemView.findViewById(R.id.rl_banner);
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}
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}
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class VideoListHolder extends RecyclerView.ViewHolder {
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RecyclerView rv;
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public VideoListHolder(View itemView) {
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super(itemView);
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rv = itemView.findViewById(R.id.rv);
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}
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}
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}
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