Adding a separate state for QuickScrub

Bug: 74014237
Change-Id: Ie86ac589f0ad0e1470fb6b0b71263ec6593eb1e3

quickstep/src/com/android/launcher3/uioverrides/FastOverviewState.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2018 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.uioverrides;
+
+import com.android.launcher3.Launcher;
+
+/**
+ * Extension of overview state used for QuickScrub
+ */
+public class FastOverviewState extends OverviewState {
+
+    private static final int STATE_FLAGS = FLAG_SHOW_SCRIM | FLAG_DISABLE_RESTORE
+            | FLAG_PAGE_BACKGROUNDS | FLAG_DISABLE_INTERACTION | FLAG_OVERVIEW_UI;
+
+    private static final boolean DEBUG_DIFFERENT_UI = false;
+
+    public FastOverviewState(int id) {
+        super(id, STATE_FLAGS);
+    }
+
+    @Override
+    public float getHoseatAlpha(Launcher launcher) {
+        if (DEBUG_DIFFERENT_UI) {
+            return 0;
+        }
+        return super.getHoseatAlpha(launcher);
+    }
+}