1 files changed, 30 insertions, 0 deletions
diff --git a/src/com/android/launcher3/util/FlagOp.java b/src/com/android/launcher3/util/FlagOp.java
new file mode 100644
index 000000000..5e26ed12f
--- /dev/null
+++ b/src/com/android/launcher3/util/FlagOp.java
@@ -0,0 +1,30 @@
+package com.android.launcher3.util;
+
+public abstract class FlagOp {
+
+    public static FlagOp NO_OP = new FlagOp() {};
+
+    private FlagOp() {}
+
+    public int apply(int flags) {
+        return flags;
+    }
+
+    public static FlagOp addFlag(final int flag) {
+        return new FlagOp() {
+            @Override
+            public int apply(int flags) {
+                return flags | flag;
+            }
+        };
+    }
+
+    public static FlagOp removeFlag(final int flag) {
+        return new FlagOp() {
+            @Override
+            public int apply(int flags) {
+                return flags & ~flag;
+            }
+        };
+    }
+}