1 files changed, 67 insertions, 0 deletions
diff --git a/xfa/fwl/core/cfwl_note.h b/xfa/fwl/core/cfwl_note.h
new file mode 100644
index 0000000000..c0f105388c
--- /dev/null
+++ b/xfa/fwl/core/cfwl_note.h
@@ -0,0 +1,67 @@
+// 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 XFA_FWL_CORE_CFWL_NOTE_H_
+#define XFA_FWL_CORE_CFWL_NOTE_H_
+
+#include "core/fxcrt/include/fx_string.h"
+#include "core/fxcrt/include/fx_system.h"
+#include "xfa/fwl/core/fwl_error.h"
+
+class IFWL_Widget;
+
+// Separate hierarchy not related to IFWL_* hierarchy. These should not
+// get cast to IFWL_* types.
+class CFWL_Note {
+ public:
+  virtual FX_DWORD Release() {
+    m_dwRefCount--;
+    FX_DWORD dwRefCount = m_dwRefCount;
+    if (!m_dwRefCount)
+      delete this;
+    return dwRefCount;
+  }
+
+  virtual CFWL_Note* Retain() {
+    m_dwRefCount++;
+    return this;
+  }
+
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const {
+    wsClass = L"CFWL_Note";
+    return FWL_ERR_Succeeded;
+  }
+
+  virtual FX_DWORD GetClassID() const { return 0; }
+
+  virtual FX_BOOL IsInstance(const CFX_WideStringC& wsClass) const {
+    return TRUE;
+  }
+
+  virtual CFWL_Note* Clone() { return NULL; }
+  FX_BOOL IsEvent() const { return m_bIsEvent; }
+
+  IFWL_Widget* m_pSrcTarget;
+  IFWL_Widget* m_pDstTarget;
+  FX_DWORD m_dwExtend;
+
+ protected:
+  CFWL_Note(FX_BOOL bIsEvent)
+      : m_pSrcTarget(NULL),
+        m_pDstTarget(NULL),
+        m_dwExtend(0),
+        m_dwRefCount(1),
+        m_bIsEvent(bIsEvent) {}
+
+  virtual ~CFWL_Note() {}
+  virtual FX_BOOL Initialize() { return TRUE; }
+  virtual int32_t Finalize() { return 0; }
+
+  FX_DWORD m_dwRefCount;
+  FX_BOOL m_bIsEvent;
+};
+
+#endif  // XFA_FWL_CORE_CFWL_NOTE_H_