Merge all three apps into one repository

1 files changed, 92 insertions, 0 deletions

diff --git a/wallet/src/main/java/net/taler/wallet/payment/ProductAdapter.kt b/wallet/src/main/java/net/taler/wallet/payment/ProductAdapter.kt
new file mode 100644
index 0000000..4b1b062
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/payment/ProductAdapter.kt
@@ -0,0 +1,92 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.payment
+
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory.decodeByteArray
+import android.util.Base64
+import android.view.LayoutInflater
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.view.ViewGroup
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
+import net.taler.wallet.R
+import net.taler.wallet.payment.ProductAdapter.ProductViewHolder
+
+internal interface ProductImageClickListener {
+    fun onImageClick(image: Bitmap)
+}
+
+internal class ProductAdapter(private val listener: ProductImageClickListener) :
+    RecyclerView.Adapter<ProductViewHolder>() {
+
+    private val items = ArrayList<ContractProduct>()
+
+    override fun getItemCount() = items.size
+
+    override fun getItemViewType(position: Int): Int {
+        return if (itemCount == 1) 1 else 0
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ProductViewHolder {
+        val res =
+            if (viewType == 1) R.layout.list_item_product_single else R.layout.list_item_product
+        val view = LayoutInflater.from(parent.context).inflate(res, parent, false)
+        return ProductViewHolder(view)
+    }
+
+    override fun onBindViewHolder(holder: ProductViewHolder, position: Int) {
+        holder.bind(items[position])
+    }
+
+    fun setItems(items: List<ContractProduct>) {
+        this.items.clear()
+        this.items.addAll(items)
+        notifyDataSetChanged()
+    }
+
+    internal inner class ProductViewHolder(v: View) : ViewHolder(v) {
+        private val quantity: TextView = v.findViewById(R.id.quantity)
+        private val image: ImageView = v.findViewById(R.id.image)
+        private val name: TextView = v.findViewById(R.id.name)
+        private val price: TextView = v.findViewById(R.id.price)
+
+        fun bind(product: ContractProduct) {
+            quantity.text = product.quantity.toString()
+            if (product.image == null) {
+                image.visibility = GONE
+            } else {
+                image.visibility = VISIBLE
+                // product.image was validated before, so non-null below
+                val match = REGEX_PRODUCT_IMAGE.matchEntire(product.image)!!
+                val decodedString = Base64.decode(match.groups[2]!!.value, Base64.DEFAULT)
+                val bitmap = decodeByteArray(decodedString, 0, decodedString.size)
+                image.setImageBitmap(bitmap)
+                if (itemCount > 1) image.setOnClickListener {
+                    listener.onImageClick(bitmap)
+                }
+            }
+            name.text = product.description
+            price.text = product.totalPrice.toString()
+        }
+    }
+
+}