1 files changed, 35 insertions, 0 deletions
diff --git a/com/android/server/slice/DirtyTracker.java b/com/android/server/slice/DirtyTracker.java
new file mode 100644
index 00000000..4288edc8
--- /dev/null
+++ b/com/android/server/slice/DirtyTracker.java
@@ -0,0 +1,35 @@
+/*
+ * 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.server.slice;
+
+import org.xmlpull.v1.XmlSerializer;
+
+import java.io.IOException;
+
+/**
+ * A parent object that cares when a Persistable changes and will schedule a serialization
+ * in response to the onPersistableDirty callback.
+ */
+public interface DirtyTracker {
+    void onPersistableDirty(Persistable obj);
+
+    /**
+     * An object that can be written to XML.
+     */
+    interface Persistable {
+        String getFileName();
+        void writeTo(XmlSerializer out) throws IOException;
+    }
+}