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diff --git a/xfa/fwl/cfwl_caret.h b/xfa/fwl/cfwl_caret.h
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+// Copyright 2014 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 XFA_FWL_CFWL_CARET_H_
+#define XFA_FWL_CFWL_CARET_H_
+
+#include <memory>
+
+#include "xfa/fwl/cfwl_timer.h"
+#include "xfa/fwl/cfwl_widget.h"
+#include "xfa/fxgraphics/cfx_color.h"
+
+class CFWL_WidgetProperties;
+class CFWL_Widget;
+
+#define FWL_STATE_CAT_HightLight 1
+
+class CFWL_Caret : public CFWL_Widget {
+ public:
+ CFWL_Caret(const CFWL_App* app,
+ std::unique_ptr<CFWL_WidgetProperties> properties,
+ CFWL_Widget* pOuter);
+ ~CFWL_Caret() override;
+
+ // CFWL_Widget
+ FWL_Type GetClassID() const override;
+ void DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) override;
+ void OnProcessMessage(CFWL_Message* pMessage) override;
+ void OnDrawWidget(CFX_Graphics* pGraphics,
+ const CFX_Matrix* pMatrix) override;
+ void Update() override;
+
+ void ShowCaret();
+ void HideCaret();
+
+ private:
+ class Timer : public CFWL_Timer {
+ public:
+ explicit Timer(CFWL_Caret* pCaret);
+ ~Timer() override {}
+
+ void Run(CFWL_TimerInfo* hTimer) override;
+ };
+ friend class CFWL_Caret::Timer;
+
+ void DrawCaretBK(CFX_Graphics* pGraphics,
+ IFWL_ThemeProvider* pTheme,
+ const CFX_Matrix* pMatrix);
+
+ std::unique_ptr<CFWL_Caret::Timer> m_pTimer;
+ CFWL_TimerInfo* m_pTimerInfo; // not owned.
+};
+
+#endif // XFA_FWL_CFWL_CARET_H_