diff --git a/vsyncworker.h b/vsyncworker.h
new file mode 100644
index 0000000..ce7b94a
--- /dev/null
+++ b/vsyncworker.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#ifndef ANDROID_EVENT_WORKER_H_
+#define ANDROID_EVENT_WORKER_H_
+
+#include "drmresources.h"
+#include "worker.h"
+
+#include <map>
+#include <stdint.h>
+
+#include <hardware/hardware.h>
+#include <hardware/hwcomposer.h>
+
+namespace android {
+
+class VSyncWorker : public Worker {
+ public:
+  VSyncWorker();
+  ~VSyncWorker();
+
+  int Init(DrmResources *drm, int display);
+  int SetProcs(hwc_procs_t const *procs);
+
+  int VSyncControl(bool enabled);
+
+ protected:
+  virtual void Routine();
+
+ private:
+  int64_t GetPhasedVSync(int64_t frame_ns, int64_t current);
+  int SyntheticWaitVBlank(int64_t *timestamp);
+
+  DrmResources *drm_;
+  hwc_procs_t const *procs_;
+
+  int display_;
+  bool enabled_;
+  int64_t last_timestamp_;
+};
+}
+
+#endif