1 files changed, 88 insertions, 0 deletions
diff --git a/androidx/car/drawer/DrawerItemViewHolder.java b/androidx/car/drawer/DrawerItemViewHolder.java
new file mode 100644
index 00000000..8bbded99
--- /dev/null
+++ b/androidx/car/drawer/DrawerItemViewHolder.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package androidx.car.drawer;
+
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.car.R;
+
+/**
+ * Re-usable {@link RecyclerView.ViewHolder} for displaying items in the
+ * {@link androidx.car.drawer.CarDrawerAdapter}.
+ */
+public class DrawerItemViewHolder extends RecyclerView.ViewHolder {
+    private final ImageView mIcon;
+    private final TextView mTitle;
+    private final TextView mText;
+    private final ImageView mEndIcon;
+
+    DrawerItemViewHolder(View view) {
+        super(view);
+        mIcon = view.findViewById(R.id.icon);
+        if (mIcon == null) {
+            throw new IllegalArgumentException("Icon view cannot be null!");
+        }
+
+        mTitle = view.findViewById(R.id.title);
+        if (mTitle == null) {
+            throw new IllegalArgumentException("Title view cannot be null!");
+        }
+
+        // Next two are optional and may be null.
+        mText = view.findViewById(R.id.text);
+        mEndIcon = view.findViewById(R.id.end_icon);
+    }
+
+    /** Returns the view that should be used to display the main icon. */
+    @NonNull
+    public ImageView getIcon() {
+        return mIcon;
+    }
+
+    /** Returns the view that will display the main title. */
+    @NonNull
+    public TextView getTitle() {
+        return mTitle;
+    }
+
+    /** Returns the view that is used for text that is smaller than the title text. */
+    @Nullable
+    public TextView getText() {
+        return mText;
+    }
+
+    /** Returns the icon that is displayed at the end of the view. */
+    @Nullable
+    public ImageView getEndIcon() {
+        return mEndIcon;
+    }
+
+    /**
+     * Sets the listener that will be notified when the view held by this ViewHolder has been
+     * clicked. Passing {@code null} will clear any previously set listeners.
+     */
+    void setItemClickListener(@Nullable DrawerItemClickListener listener) {
+        itemView.setOnClickListener(listener != null
+                ? v -> listener.onItemClick(getAdapterPosition())
+                : null);
+    }
+}