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package com.mapswithme.maps.widget.placepage;
import android.content.Context;
import android.graphics.Bitmap;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import com.bumptech.glide.Glide;
import com.bumptech.glide.request.animation.GlideAnimation;
import com.bumptech.glide.request.target.SimpleTarget;
import com.mapswithme.maps.R;
import com.mapswithme.maps.gallery.Image;
import com.mapswithme.maps.widget.recycler.RecyclerClickListener;
import com.mapswithme.util.UiUtils;
import java.util.ArrayList;
import java.util.List;
class GalleryAdapter extends RecyclerView.Adapter<GalleryAdapter.ViewHolder>
{
static final int MAX_COUNT = 5;
private final Context mContext;
@NonNull
private ArrayList<Image> mItems = new ArrayList<>();
@NonNull
private final List<Item> mLoadedItems = new ArrayList<>();
@NonNull
private final List<Item> mItemsToDownload = new ArrayList<>();
@Nullable
private RecyclerClickListener mListener;
private final int mImageWidth;
private final int mImageHeight;
GalleryAdapter(Context context)
{
mContext = context;
mImageWidth = (int) context.getResources().getDimension(R.dimen.placepage_hotel_gallery_width);
mImageHeight = (int) context.getResources()
.getDimension(R.dimen.placepage_hotel_gallery_height);
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType)
{
return new ViewHolder(LayoutInflater.from(mContext)
.inflate(R.layout.item_gallery, parent, false), mListener);
}
@Override
public void onBindViewHolder(ViewHolder holder, int position)
{
Item item = mLoadedItems.get(position);
item.setShowMore(position == MAX_COUNT - 1 && mItems.size() > MAX_COUNT);
holder.bind(item, position);
}
@Override
public int getItemCount()
{
return mLoadedItems.size();
}
@NonNull
public ArrayList<Image> getItems()
{
return mItems;
}
public void setItems(@NonNull ArrayList<Image> items)
{
mItems = items;
for (Item item : mItemsToDownload)
{
item.setCanceled(true);
}
mItemsToDownload.clear();
mLoadedItems.clear();
loadImages();
notifyDataSetChanged();
}
public void setListener(@Nullable RecyclerClickListener listener)
{
mListener = listener;
}
private void loadImages()
{
int size = Math.min(mItems.size(), MAX_COUNT);
for (int i = 0; i < size; i++)
{
final Item item = new Item(null);
mItemsToDownload.add(item);
Image image = mItems.get(i);
Glide.with(mContext)
.load(image.getSmallUrl())
.asBitmap()
.centerCrop()
.into(new SimpleTarget<Bitmap>(mImageWidth, mImageHeight)
{
@Override
public void onResourceReady(Bitmap resource,
GlideAnimation<? super Bitmap> glideAnimation)
{
if (item.isCanceled())
return;
item.setBitmap(resource);
int size = mLoadedItems.size();
mLoadedItems.add(item);
notifyItemInserted(size);
}
});
}
}
static class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener
{
@NonNull
private ImageView mImage;
@NonNull
private View mMore;
@Nullable
private final RecyclerClickListener mListener;
private int mPosition;
public ViewHolder(View itemView, @Nullable RecyclerClickListener listener)
{
super(itemView);
mListener = listener;
mImage = (ImageView) itemView.findViewById(R.id.iv__image);
mMore = itemView.findViewById(R.id.tv__more);
itemView.setOnClickListener(this);
}
@Override
public void onClick(View v)
{
if (mListener == null)
return;
mListener.onItemClick(v, mPosition);
}
public void bind(Item item, int position)
{
mPosition = position;
mImage.setImageBitmap(item.getBitmap());
UiUtils.showIf(item.isShowMore(), mMore);
}
}
static class Item
{
@Nullable
private Bitmap mBitmap;
private boolean isShowMore;
private boolean isCanceled = false;
Item(@Nullable Bitmap bitmap)
{
this.mBitmap = bitmap;
}
@Nullable
Bitmap getBitmap()
{
return mBitmap;
}
void setBitmap(@Nullable Bitmap bitmap)
{
mBitmap = bitmap;
}
void setShowMore(boolean showMore)
{
isShowMore = showMore;
}
boolean isShowMore()
{
return isShowMore;
}
boolean isCanceled()
{
return isCanceled;
}
void setCanceled(boolean canceled)
{
isCanceled = canceled;
}
}
}
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