Instead of reloading the launcher, updating items dynamically when

Quiet mode changes

Bug: 27632028,27763316
Change-Id: I55f018e855448df0abcbf4fd0fcb39344594980c

1 files changed, 31 insertions, 0 deletions

diff --git a/src/com/android/launcher3/util/StringFilter.java b/src/com/android/launcher3/util/StringFilter.java
new file mode 100644
index 000000000..f539ad11e
--- /dev/null
+++ b/src/com/android/launcher3/util/StringFilter.java
@@ -0,0 +1,31 @@
+package com.android.launcher3.util;
+
+import java.util.Set;
+
+/**
+ * Abstract class to filter a set of strings.
+ */
+public abstract class StringFilter {
+
+    private StringFilter() { }
+
+    public abstract boolean matches(String str);
+
+    public static StringFilter matchesAll() {
+        return new StringFilter() {
+            @Override
+            public boolean matches(String str) {
+                return true;
+            }
+        };
+    }
+
+    public static StringFilter of(final Set<String> validEntries) {
+        return new StringFilter() {
+            @Override
+            public boolean matches(String str) {
+                return validEntries.contains(str);
+            }
+        };
+    }
+}