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package de.danoeh.antennapod.adapter;
import android.content.Context;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.bumptech.glide.Glide;
import java.lang.ref.WeakReference;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.MainActivity;
import de.danoeh.antennapod.core.feed.Feed;
import de.danoeh.antennapod.core.glide.ApGlideSettings;
import de.danoeh.antennapod.fragment.AddFeedFragment;
import de.danoeh.antennapod.fragment.ItemlistFragment;
import jp.shts.android.library.TriangleLabelView;
/**
* Adapter for subscriptions
*/
public class SubscriptionsAdapter extends BaseAdapter implements AdapterView.OnItemClickListener {
/** placeholder object that indicates item should be added */
public static final Object ADD_ITEM_OBJ = new Object();
/** the position in the view that holds the add item; 0 is the first, -1 is the last position */
private static final int ADD_POSITION = -1;
private static final String TAG = "SubscriptionsAdapter";
private final WeakReference<MainActivity> mainActivityRef;
private final ItemAccess itemAccess;
public SubscriptionsAdapter(MainActivity mainActivity, ItemAccess itemAccess) {
this.mainActivityRef = new WeakReference<>(mainActivity);
this.itemAccess = itemAccess;
}
private int getAddTilePosition() {
if(ADD_POSITION < 0) {
return ADD_POSITION + getCount();
}
return ADD_POSITION;
}
private int getAdjustedPosition(int origPosition) {
return origPosition < getAddTilePosition() ? origPosition : origPosition - 1;
}
@Override
public int getCount() {
return 1 + itemAccess.getCount();
}
@Override
public Object getItem(int position) {
if (position == getAddTilePosition()) {
return ADD_ITEM_OBJ;
}
return itemAccess.getItem(getAdjustedPosition(position));
}
@Override
public boolean hasStableIds() {
return true;
}
@Override
public long getItemId(int position) {
if (position == getAddTilePosition()) {
return 0;
}
return itemAccess.getItem(getAdjustedPosition(position)).getId();
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
Holder holder;
if (convertView == null) {
holder = new Holder();
LayoutInflater layoutInflater =
(LayoutInflater) mainActivityRef.get().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = layoutInflater.inflate(R.layout.subscription_item, parent, false);
holder.feedTitle = convertView.findViewById(R.id.txtvTitle);
holder.imageView = convertView.findViewById(R.id.imgvCover);
holder.count = convertView.findViewById(R.id.triangleCountView);
convertView.setTag(holder);
} else {
holder = (Holder) convertView.getTag();
}
if (position == getAddTilePosition()) {
holder.feedTitle.setText("{md-add 500%}\n\n" + mainActivityRef.get().getString(R.string.add_feed_label));
holder.feedTitle.setVisibility(View.VISIBLE);
// prevent any accidental re-use of old values (not sure how that would happen...)
holder.count.setPrimaryText("");
// make it go away, we don't need it for add feed
holder.count.setVisibility(View.INVISIBLE);
// when this holder is reused, we could else end up with a cover image
Glide.clear(holder.imageView);
return convertView;
}
final Feed feed = (Feed) getItem(position);
if (feed == null) return null;
holder.feedTitle.setText(feed.getTitle());
holder.feedTitle.setVisibility(View.VISIBLE);
int count = itemAccess.getFeedCounter(feed.getId());
if(count > 0) {
holder.count.setPrimaryText(String.valueOf(itemAccess.getFeedCounter(feed.getId())));
holder.count.setVisibility(View.VISIBLE);
} else {
holder.count.setVisibility(View.GONE);
}
Glide.with(mainActivityRef.get())
.load(feed.getImageLocation())
.error(R.color.light_gray)
.diskCacheStrategy(ApGlideSettings.AP_DISK_CACHE_STRATEGY)
.fitCenter()
.dontAnimate()
.into(new CoverTarget(null, holder.feedTitle, holder.imageView, mainActivityRef.get()));
return convertView;
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (position == getAddTilePosition()) {
mainActivityRef.get().loadChildFragment(new AddFeedFragment());
} else {
Fragment fragment = ItemlistFragment.newInstance(getItemId(position));
mainActivityRef.get().loadChildFragment(fragment);
}
}
static class Holder {
public TextView feedTitle;
public ImageView imageView;
public TriangleLabelView count;
}
public interface ItemAccess {
int getCount();
Feed getItem(int position);
int getFeedCounter(long feedId);
}
}
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