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diff --git a/services/surfaceflinger/DisplayEventConnection.h b/services/surfaceflinger/DisplayEventConnection.h
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+++ b/services/surfaceflinger/DisplayEventConnection.h
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+/*
+ * Copyright (C) 2011 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_SURFACE_FLINGER_DISPLAY_EVENT_CONNECTION_H
+#define ANDROID_SURFACE_FLINGER_DISPLAY_EVENT_CONNECTION_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <gui/IDisplayEventConnection.h>
+
+#include <utils/Errors.h>
+#include <gui/DisplayEventReceiver.h>
+
+// ---------------------------------------------------------------------------
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class BitTube;
+class EventThread;
+
+// ---------------------------------------------------------------------------
+
+class DisplayEventConnection : public BnDisplayEventConnection {
+public:
+    DisplayEventConnection(const sp<EventThread>& flinger);
+
+    status_t postEvent(const DisplayEventReceiver::Event& event);
+
+private:
+    virtual ~DisplayEventConnection();
+    virtual void onFirstRef();
+    virtual sp<BitTube> getDataChannel() const;
+    virtual void setVsyncRate(uint32_t count);
+    virtual void requestNextVsync();    // asynchronous
+
+    sp<EventThread> const mEventThread;
+    sp<BitTube> const mChannel;
+};
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
+
+// ---------------------------------------------------------------------------
+
+#endif /* ANDROID_SURFACE_FLINGER_DISPLAY_EVENT_CONNECTION_H */