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/*
* mygram-droid: Android TV client for Foldergram.
* Copyright (C) 2026 Danilo M. <danix@danix.xyz>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
package mygram.droid;
import android.content.Context;
import android.graphics.Color;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.recyclerview.widget.RecyclerView;
import com.bumptech.glide.Glide;
import java.util.List;
/** Thumbnail tiles for rows and grids: posts, folders and the Continue tile. */
final class TileAdapter extends RecyclerView.Adapter<TileAdapter.Holder> {
static final class Tile {
final String image, label;
final int icon, postId;
final Runnable click;
/** image or icon is shown; postId is -1 for tiles that are not posts. */
Tile(String image, String label, int icon, int postId, Runnable click) {
this.image = image;
this.label = label;
this.icon = icon;
this.postId = postId;
this.click = click;
}
}
static Tile post(Post p, Runnable click) {
return new Tile(p.media.get(0).thumbnailUrl, null, 0, p.id, click);
}
static final class Holder extends RecyclerView.ViewHolder {
final ImageView image, heart;
final TextView label;
Holder(View v, ImageView image, TextView label, ImageView heart) {
super(v);
this.image = image;
this.label = label;
this.heart = heart;
}
}
private final List<Tile> tiles;
private final int widthDp, heightDp;
TileAdapter(List<Tile> tiles, int widthDp, int heightDp) {
this.tiles = tiles;
this.widthDp = widthDp;
this.heightDp = heightDp;
}
@Override
public Holder onCreateViewHolder(ViewGroup parent, int type) {
Context c = parent.getContext();
FrameLayout frame = new FrameLayout(c);
RecyclerView.LayoutParams lp = new RecyclerView.LayoutParams(Ui.dp(c, widthDp), Ui.dp(c, heightDp));
int m = Ui.dp(c, 12);
lp.setMargins(m, m, m, m);
frame.setLayoutParams(lp);
frame.setBackgroundColor(0xFF222222);
ImageView image = new ImageView(c);
frame.addView(image, new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.MATCH_PARENT));
TextView label = Ui.text(c, "", 14);
label.setShadowLayer(6, 0, 0, Color.BLACK);
int p = Ui.dp(c, 8);
label.setPadding(p, p, p, p);
frame.addView(label, new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.WRAP_CONTENT, Gravity.BOTTOM));
ImageView heart = new ImageView(c);
heart.setImageResource(R.drawable.ic_favorite);
heart.setColorFilter(Ui.RED);
heart.setContentDescription("Liked");
int s = Ui.dp(c, 22);
FrameLayout.LayoutParams hp = new FrameLayout.LayoutParams(s, s, Gravity.TOP | Gravity.END);
hp.setMargins(p, p, p, p);
frame.addView(heart, hp);
Ui.focusable(frame);
return new Holder(frame, image, label, heart);
}
@Override
public void onBindViewHolder(Holder h, int position) {
Tile t = tiles.get(position);
h.itemView.setScaleX(1f); // a recycled tile may still carry the focus zoom
h.itemView.setScaleY(1f);
if (t.image != null) {
h.image.setScaleType(ImageView.ScaleType.CENTER_CROP);
Glide.with(h.image).load(t.image).into(h.image);
} else {
Glide.with(h.image).clear(h.image);
h.image.setScaleType(ImageView.ScaleType.CENTER);
h.image.setImageResource(t.icon);
}
h.label.setText(t.label);
h.label.setVisibility(t.label == null ? View.GONE : View.VISIBLE);
h.heart.setVisibility(t.postId >= 0 && Likes.has(t.postId) ? View.VISIBLE : View.GONE);
h.itemView.setContentDescription(t.label != null ? t.label : "Post");
h.itemView.setOnClickListener(v -> t.click.run());
}
@Override
public int getItemCount() {
return tiles.size();
}
}
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