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diff --git a/xfa/fxfa/app/cxfa_ffcheckbutton.h b/xfa/fxfa/app/cxfa_ffcheckbutton.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_FXFA_APP_CXFA_FFCHECKBUTTON_H_
+#define XFA_FXFA_APP_CXFA_FFCHECKBUTTON_H_
+
+#include "xfa/fxfa/app/cxfa_fffield.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+
+class CXFA_FFCheckButton : public CXFA_FFField {
+ public:
+ explicit CXFA_FFCheckButton(CXFA_WidgetAcc* pDataAcc);
+ ~CXFA_FFCheckButton() override;
+
+ // CXFA_FFField
+ void RenderWidget(CFX_Graphics* pGS,
+ CFX_Matrix* pMatrix,
+ uint32_t dwStatus) override;
+
+ bool LoadWidget() override;
+ bool PerformLayout() override;
+ bool UpdateFWLData() override;
+ void UpdateWidgetProperty() override;
+ bool OnLButtonUp(uint32_t dwFlags, const CFX_PointF& point) override;
+ void OnProcessMessage(CFWL_Message* pMessage) override;
+ void OnProcessEvent(CFWL_Event* pEvent) override;
+ void OnDrawWidget(CFX_Graphics* pGraphics,
+ const CFX_Matrix* pMatrix = nullptr) override;
+
+ void SetFWLCheckState(XFA_CHECKSTATE eCheckState);
+
+ private:
+ bool CommitData() override;
+ bool IsDataChanged() override;
+ void CapLeftRightPlacement(CXFA_Margin mgCap);
+ void AddUIMargin(int32_t iCapPlacement);
+ XFA_CHECKSTATE FWLState2XFAState();
+
+ IFWL_WidgetDelegate* m_pOldDelegate;
+ CFX_RectF m_rtCheckBox;
+};
+
+#endif // XFA_FXFA_APP_CXFA_FFCHECKBUTTON_H_