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+// Copyright 2016 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 CORE_FPDFDOC_IPDF_FORMNOTIFY_H_
+#define CORE_FPDFDOC_IPDF_FORMNOTIFY_H_
+
+#include "core/fxcrt/include/fx_string.h"
+
+class CPDF_FormField;
+class CPDF_InterForm;
+
+class IPDF_FormNotify {
+ public:
+ virtual ~IPDF_FormNotify() {}
+
+ virtual int BeforeValueChange(CPDF_FormField* pField,
+ const CFX_WideString& csValue) = 0;
+ virtual void AfterValueChange(CPDF_FormField* pField) = 0;
+ virtual int BeforeSelectionChange(CPDF_FormField* pField,
+ const CFX_WideString& csValue) = 0;
+ virtual void AfterSelectionChange(CPDF_FormField* pField) = 0;
+ virtual void AfterCheckedStatusChange(CPDF_FormField* pField) = 0;
+ virtual int BeforeFormReset(CPDF_InterForm* pForm) = 0;
+ virtual void AfterFormReset(CPDF_InterForm* pForm) = 0;
+ virtual int BeforeFormImportData(CPDF_InterForm* pForm) = 0;
+ virtual void AfterFormImportData(CPDF_InterForm* pForm) = 0;
+};
+
+#endif // CORE_FPDFDOC_IPDF_FORMNOTIFY_H_