1 files changed, 70 insertions, 0 deletions
diff --git a/src/com/android/launcher3/allapps/PrivateAppsSectionDecorator.java b/src/com/android/launcher3/allapps/PrivateAppsSectionDecorator.java
new file mode 100644
index 0000000000..8712b8468f
--- /dev/null
+++ b/src/com/android/launcher3/allapps/PrivateAppsSectionDecorator.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2023 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 com.android.launcher3.allapps;
+
+import android.graphics.Canvas;
+import android.view.View;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.HashMap;
+
+/**
+ * Decorator which changes the background color for Private Space Icon Rows in AllAppsContainer.
+ */
+public class PrivateAppsSectionDecorator extends RecyclerView.ItemDecoration {
+
+    private static final String PRIVATE_APP_SECTION = "private_apps";
+    private final AlphabeticalAppsList<?> mAppsList;
+
+    public PrivateAppsSectionDecorator(AlphabeticalAppsList<?> appsList) {
+        mAppsList = appsList;
+    }
+
+    /** Decorates Private Space Header and Icon Rows to give the shape of a container. */
+    @Override
+    public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
+        HashMap<String, SectionDecorationHandler.UnionDecorationHandler> deferredDecorations =
+                new HashMap<>();
+        for (int i = 0; i < parent.getChildCount(); i++) {
+            View view = parent.getChildAt(i);
+            int position = parent.getChildAdapterPosition(view);
+            BaseAllAppsAdapter.AdapterItem adapterItem = mAppsList.getAdapterItems().get(position);
+            SectionDecorationInfo info = adapterItem.decorationInfo;
+            if (info == null) {
+                continue;
+            }
+            SectionDecorationHandler decorationHandler = info.getDecorationHandler();
+            if (info.shouldDecorateItemsTogether()) {
+                SectionDecorationHandler.UnionDecorationHandler unionHandler =
+                        deferredDecorations.getOrDefault(
+                                PRIVATE_APP_SECTION,
+                                new SectionDecorationHandler.UnionDecorationHandler(
+                                        decorationHandler, parent.getPaddingLeft(),
+                                        parent.getPaddingRight()));
+                unionHandler.addChild(decorationHandler, view, true /* applyBackground */);
+                deferredDecorations.put(PRIVATE_APP_SECTION, unionHandler);
+            } else {
+                decorationHandler.onFocusDraw(c, view);
+            }
+        }
+        for (SectionDecorationHandler.UnionDecorationHandler decorationHandler
+                : deferredDecorations.values()) {
+            decorationHandler.onGroupDecorate(c);
+        }
+    }
+}