1 files changed, 32 insertions, 0 deletions
diff --git a/fpdfsdk/pdfwindow/cpwl_timer_handler.h b/fpdfsdk/pdfwindow/cpwl_timer_handler.h
new file mode 100644
index 0000000000..f6ffd44996
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+++ b/fpdfsdk/pdfwindow/cpwl_timer_handler.h
@@ -0,0 +1,32 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef FPDFSDK_PDFWINDOW_CPWL_TIMER_HANDLER_H_
+#define FPDFSDK_PDFWINDOW_CPWL_TIMER_HANDLER_H_
+
+#include <memory>
+
+#include "core/fxcrt/fx_basic.h"
+
+class CFX_SystemHandler;
+class CPWL_Timer;
+
+class CPWL_TimerHandler {
+ public:
+  CPWL_TimerHandler();
+  virtual ~CPWL_TimerHandler();
+
+  virtual void TimerProc();
+  virtual CFX_SystemHandler* GetSystemHandler() const = 0;
+
+  void BeginTimer(int32_t nElapse);
+  void EndTimer();
+
+ private:
+  std::unique_ptr<CPWL_Timer> m_pTimer;
+};
+
+#endif  // FPDFSDK_PDFWINDOW_CPWL_TIMER_HANDLER_H_