Add link to notification app listing in shade

Test: atest SystemUITests
Bug: 74318867
Change-Id: Ic309dfb08be0d41b7d524adc1b5910ab61b2d9fb
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/FooterViewButton.java b/packages/SystemUI/src/com/android/systemui/statusbar/FooterViewButton.java
new file mode 100644
index 0000000..16ca0f2
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/FooterViewButton.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2014 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.systemui.statusbar;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.view.ViewGroup;
+
+import com.android.systemui.statusbar.stack.NotificationStackScrollLayout;
+
+public class FooterViewButton extends AlphaOptimizedButton {
+
+    public FooterViewButton(Context context) {
+        this(context, null);
+    }
+
+    public FooterViewButton(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public FooterViewButton(Context context, AttributeSet attrs, int defStyleAttr) {
+        this(context, attrs, defStyleAttr, 0);
+    }
+
+    public FooterViewButton(Context context, AttributeSet attrs, int defStyleAttr,
+            int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    /**
+     * This method returns the drawing rect for the view which is different from the regular
+     * drawing rect, since we layout all children in the {@link NotificationStackScrollLayout} at
+     * position 0 and usually the translation is neglected. The standard implementation doesn't
+     * account for translation.
+     *
+     * @param outRect The (scrolled) drawing bounds of the view.
+     */
+    @Override
+    public void getDrawingRect(Rect outRect) {
+        super.getDrawingRect(outRect);
+        float translationX = ((ViewGroup) mParent).getTranslationX();
+        float translationY = ((ViewGroup) mParent).getTranslationY();
+        outRect.left += translationX;
+        outRect.right += translationX;
+        outRect.top += translationY;
+        outRect.bottom += translationY;
+    }
+}