From f4fb4d9429b082ebc51258df8b745a92bccc24a6 Mon Sep 17 00:00:00 2001
From: Steven Ng <stevenckng@google.com>
Date: Mon, 22 Mar 2021 16:30:24 +0000
Subject: [PATCH] Fix corner radius for single item in the widgets tray.

If there is only one item, corner radius at 4 corners should be 28dp.

Test: Corner radius of one item is correctly shown in the widgets
      picker.

Bug: 183382610
Change-Id: Ief46af8c41ce944792d08212e93f7d68c6278d05
---
 .../widgets_list_single_item_ripple.xml       | 41 +++++++++++++++++++
 .../WidgetsListHeaderViewHolderBinder.java    |  4 +-
 ...dgetsListSearchHeaderViewHolderBinder.java |  4 +-
 3 files changed, 47 insertions(+), 2 deletions(-)
 create mode 100644 res/drawable/widgets_list_single_item_ripple.xml

diff --git a/res/drawable/widgets_list_single_item_ripple.xml b/res/drawable/widgets_list_single_item_ripple.xml
new file mode 100644
index 0000000000..b8b6f42523
--- /dev/null
+++ b/res/drawable/widgets_list_single_item_ripple.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2021, 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.
+*/
+-->
+<ripple xmlns:android="http://schemas.android.com/apk/res/android"
+    android:color="?android:attr/colorControlHighlight">
+    <item android:id="@android:id/mask">
+        <shape android:shape="rectangle">
+            <corners
+                android:topLeftRadius="@dimen/widget_list_top_bottom_corner_radius"
+                android:topRightRadius="@dimen/widget_list_top_bottom_corner_radius"
+                android:bottomLeftRadius="@dimen/widget_list_top_bottom_corner_radius"
+                android:bottomRightRadius="@dimen/widget_list_top_bottom_corner_radius" />
+        </shape>
+    </item>
+    <item android:id="@android:id/background">
+        <shape android:shape="rectangle">
+            <solid android:color="?android:attr/colorBackground" />
+            <corners
+                android:topLeftRadius="@dimen/widget_list_top_bottom_corner_radius"
+                android:topRightRadius="@dimen/widget_list_top_bottom_corner_radius"
+                android:bottomLeftRadius="@dimen/widget_list_top_bottom_corner_radius"
+                android:bottomRightRadius="@dimen/widget_list_top_bottom_corner_radius" />
+        </shape>
+    </item>
+</ripple>
\ No newline at end of file
diff --git a/src/com/android/launcher3/widget/picker/WidgetsListHeaderViewHolderBinder.java b/src/com/android/launcher3/widget/picker/WidgetsListHeaderViewHolderBinder.java
index f126321b73..e57f4d8811 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsListHeaderViewHolderBinder.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsListHeaderViewHolderBinder.java
@@ -52,7 +52,9 @@ public final class WidgetsListHeaderViewHolderBinder implements
     public void bindViewHolder(WidgetsListHeaderHolder viewHolder, WidgetsListHeaderEntry data,
             int position) {
         WidgetsListHeader widgetsListHeader = viewHolder.mWidgetsListHeader;
-        if (position == 0) {
+        if (mWidgetsListAdapter.getItemCount() == 1) {
+            widgetsListHeader.setBackgroundResource(R.drawable.widgets_list_single_item_ripple);
+        } else if (position == 0) {
             widgetsListHeader.setBackgroundResource(R.drawable.widgets_list_top_ripple);
         } else if (position == mWidgetsListAdapter.getItemCount() - 1) {
             widgetsListHeader.setBackgroundResource(R.drawable.widgets_list_bottom_ripple);
diff --git a/src/com/android/launcher3/widget/picker/WidgetsListSearchHeaderViewHolderBinder.java b/src/com/android/launcher3/widget/picker/WidgetsListSearchHeaderViewHolderBinder.java
index 37713e1018..b98f5e18eb 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsListSearchHeaderViewHolderBinder.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsListSearchHeaderViewHolderBinder.java
@@ -53,7 +53,9 @@ public final class WidgetsListSearchHeaderViewHolderBinder implements
     public void bindViewHolder(WidgetsListSearchHeaderHolder viewHolder,
             WidgetsListSearchHeaderEntry data, int position) {
         WidgetsListHeader widgetsListHeader = viewHolder.mWidgetsListHeader;
-        if (position == 0) {
+        if (mWidgetsListAdapter.getItemCount() == 1) {
+            widgetsListHeader.setBackgroundResource(R.drawable.widgets_list_single_item_ripple);
+        } else if (position == 0) {
             widgetsListHeader.setBackgroundResource(R.drawable.widgets_list_top_ripple);
         } else if (position == mWidgetsListAdapter.getItemCount() - 1) {
             widgetsListHeader.setBackgroundResource(R.drawable.widgets_list_bottom_ripple);