add tgs stickers preview in settings

app/src/main/java/com/vk/stickers/details/StickerDetailsAdapter.java

@@ -0,0 +1,179 @@
+package com.vk.stickers.details;
+
+import android.graphics.drawable.ColorDrawable;
+import android.view.LayoutInflater;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+import com.vk.core.ui.themes.VKThemeHelper;
+import com.vk.core.util.Screen;
+import com.vk.dto.stickers.StickerItem;
+import com.vk.dto.stickers.StickerStockItem;
+import com.vk.extensions.ViewExtKt;
+import com.vk.imageloader.view.VKImageView;
+import com.vk.stickers.views.VKStickerImageView;
+import com.vtosters.lite.R;
+
+import java.util.List;
+
+public final class StickerDetailsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+    private final List<StickerItem> mItems;
+
+    private final StickerStockItem mItem;
+    private boolean mIsTelegramPack = false;
+
+    public StickerDetailsAdapter(StickerStockItem stickerStockItem) {
+        this.mItem = stickerStockItem;
+        this.mItems = this.mItem.T1();
+    }
+
+    public void setTelegramPack(boolean state) {
+        mIsTelegramPack = state;
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
+        switch (i) {
+            case 0:
+                return new c(viewGroup);
+            case 1:
+                return new d(viewGroup);
+            case 2:
+                return new b(viewGroup);
+            default:
+                throw new IllegalArgumentException("Unknown viewType: " + i);
+        }
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
+        switch(getItemViewType(i)) {
+            case 0:
+                ((c) viewHolder).a(this.mItem);
+                break;
+            case 1:
+                ((d) viewHolder).a(this.mItems.get(H(i)));
+                break;
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return mIsTelegramPack ? mItems.size() : this.mItems.size() + 2;
+    }
+
+    @Override
+    public int getItemViewType(int i) {
+        if (mIsTelegramPack) return 1;
+        if (i == 0) {
+            return 0;
+        }
+        return i == k() ? 2 : 1;
+    }
+
+    public int H(int i) {
+        return mIsTelegramPack ? i : i - j();
+    }
+
+    public boolean I(int i) {
+        return getItemViewType(i) == 1;
+    }
+
+    public int j() {
+        return 1;
+    }
+
+    public int k() {
+        return l() + 1;
+    }
+
+    public int l() {
+        return (this.mItems.size() + j()) - 1;
+    }
+
+    public int m() {
+        return 0;
+    }
+
+    public List<StickerItem> n() {
+        return this.mItems;
+    }
+
+    public boolean v() {
+        return false;
+    }
+
+    private static final class b extends RecyclerView.ViewHolder {
+        public b(ViewGroup viewGroup) {
+            super(ViewExtKt.a(viewGroup, R.layout.sticker_details_hold_to_view_item, false));
+        }
+    }
+
+    private final class c extends RecyclerView.ViewHolder {
+        private final VKImageView mImageBg;
+        private final VKImageView mPackImage;
+        private final ImageView mAnimPack;
+        private final TextView mPackTitle;
+        private final TextView mPackAuthor;
+        private final TextView mPackSubtitle;
+        private final TextView mDescription;
+
+        public c(ViewGroup viewGroup) {
+            super(LayoutInflater.from(VKThemeHelper.u()).inflate(R.layout.sticker_details_info_item, viewGroup, false));
+            this.mImageBg = this.itemView.findViewById(R.id.pack_image_bg);
+            this.mPackImage = this.itemView.findViewById(R.id.pack_image);
+            this.mAnimPack = this.itemView.findViewById(R.id.anim_pack);
+            this.mPackTitle = this.itemView.findViewById(R.id.pack_title);
+            this.mPackAuthor = this.itemView.findViewById(R.id.pack_author);
+            this.mPackSubtitle = this.itemView.findViewById(R.id.pack_subtitle);
+            this.mDescription = this.itemView.findViewById(R.id.description);
+        }
+
+        public void a(StickerStockItem stickerStockItem) {
+            this.mImageBg.a(stickerStockItem.R1());
+            this.mImageBg.getHierarchy().a().setVisible(true, true);
+            this.mImageBg.getHierarchy().a(0);
+            this.mImageBg.getHierarchy().e(new ColorDrawable(VKThemeHelper.d(R.attr.placeholder_icon_background)));
+            
+            this.mPackImage.a(stickerStockItem.h(Screen.a(68)));
+            this.mPackImage.getHierarchy().a().setVisible(true, true);
+            this.mPackImage.getHierarchy().a(0);
+            
+            if (stickerStockItem.E1()) {
+                ViewExtKt.r(this.mAnimPack);
+            } else {
+                ViewExtKt.p(this.mAnimPack);
+            }
+            
+            this.mPackTitle.setText(stickerStockItem.getTitle());
+            
+            this.mPackAuthor.setText(stickerStockItem.v1());
+            
+            ViewExtKt.p(this.mPackSubtitle);
+            
+            this.mDescription.setText(stickerStockItem.C1());
+        }
+    }
+
+    private static final class d extends RecyclerView.ViewHolder {
+        private final VKStickerImageView mImage;
+
+        public d(ViewGroup viewGroup) {
+            super(new VKStickerImageView(viewGroup.getContext()));
+            this.mImage = (VKStickerImageView) itemView;
+            this.mImage.setAspectRatio(1.0f);
+            this.mImage.setClickable(true);
+            this.mImage.getHierarchy().a().setVisible(true, true);
+            this.mImage.getHierarchy().a(0);
+            this.mImage.setContentDescription(this.mImage.getContext().getString(R.string.stickers_accessibility_sticker));
+        }
+
+        public void a(StickerItem stickerItem) {
+            this.mImage.a(stickerItem.h(Screen.a(80)));
+            this.mImage.setTag(R.id.id, stickerItem.getId());
+        }
+    }
+}