Split fpdfsdk/fsdk_annothandler.h into individual classes.

This CL moves classes in fsdk_annothandler.h, which are
CPDFSDK_AnnotIterator, CPDFSDK_AnnotHandlerMgr, IPDFSDK_AnnotHandler,
CPDFSDK_XFAAnnotHandler and CPDFSDK_BFAnnotHandler, to their own files.

Review-Url: https://codereview.chromium.org/2243623002

7 files changed, 510 insertions, 434 deletions

diff --git a/fpdfsdk/include/cpdfsdk_annothandlermgr.h b/fpdfsdk/include/cpdfsdk_annothandlermgr.h
new file mode 100644
index 0000000000..2d09326e68
--- /dev/null
+++ b/fpdfsdk/include/cpdfsdk_annothandlermgr.h
@@ -0,0 +1,120 @@
+// 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 FPDFSDK_INCLUDE_CPDFSDK_ANNOTHANDLERMGR_H_
+#define FPDFSDK_INCLUDE_CPDFSDK_ANNOTHANDLERMGR_H_
+
+#include <map>
+#include <memory>
+
+#include "core/fxcrt/include/fx_basic.h"
+#include "core/fxcrt/include/fx_coordinates.h"
+
+class CFX_Matrix;
+class CFX_RenderDevice;
+class CPDF_Annot;
+class CPDFDoc_Environment;
+class CPDFSDK_Annot;
+class CPDFSDK_PageView;
+class IPDFSDK_AnnotHandler;
+
+#ifdef PDF_ENABLE_XFA
+class CXFA_FFWidget;
+#endif  // PDF_ENABLE_XFA
+
+class CPDFSDK_AnnotHandlerMgr {
+ public:
+  explicit CPDFSDK_AnnotHandlerMgr(CPDFDoc_Environment* pApp);
+  virtual ~CPDFSDK_AnnotHandlerMgr();
+
+  void RegisterAnnotHandler(IPDFSDK_AnnotHandler* pAnnotHandler);
+  void UnRegisterAnnotHandler(IPDFSDK_AnnotHandler* pAnnotHandler);
+
+  virtual CPDFSDK_Annot* NewAnnot(CPDF_Annot* pAnnot,
+                                  CPDFSDK_PageView* pPageView);
+#ifdef PDF_ENABLE_XFA
+  virtual CPDFSDK_Annot* NewAnnot(CXFA_FFWidget* pAnnot,
+                                  CPDFSDK_PageView* pPageView);
+#endif  // PDF_ENABLE_XFA
+  virtual void ReleaseAnnot(CPDFSDK_Annot* pAnnot);
+
+  virtual void Annot_OnCreate(CPDFSDK_Annot* pAnnot);
+  virtual void Annot_OnLoad(CPDFSDK_Annot* pAnnot);
+
+  IPDFSDK_AnnotHandler* GetAnnotHandler(CPDFSDK_Annot* pAnnot) const;
+  virtual void Annot_OnDraw(CPDFSDK_PageView* pPageView,
+                            CPDFSDK_Annot* pAnnot,
+                            CFX_RenderDevice* pDevice,
+                            CFX_Matrix* pUser2Device,
+                            uint32_t dwFlags);
+
+  virtual void Annot_OnMouseEnter(CPDFSDK_PageView* pPageView,
+                                  CPDFSDK_Annot* pAnnot,
+                                  uint32_t nFlags);
+  virtual void Annot_OnMouseExit(CPDFSDK_PageView* pPageView,
+                                 CPDFSDK_Annot* pAnnot,
+                                 uint32_t nFlags);
+  virtual FX_BOOL Annot_OnLButtonDown(CPDFSDK_PageView* pPageView,
+                                      CPDFSDK_Annot* pAnnot,
+                                      uint32_t nFlags,
+                                      const CFX_FloatPoint& point);
+  virtual FX_BOOL Annot_OnLButtonUp(CPDFSDK_PageView* pPageView,
+                                    CPDFSDK_Annot* pAnnot,
+                                    uint32_t nFlags,
+                                    const CFX_FloatPoint& point);
+  virtual FX_BOOL Annot_OnLButtonDblClk(CPDFSDK_PageView* pPageView,
+                                        CPDFSDK_Annot* pAnnot,
+                                        uint32_t nFlags,
+                                        const CFX_FloatPoint& point);
+  virtual FX_BOOL Annot_OnMouseMove(CPDFSDK_PageView* pPageView,
+                                    CPDFSDK_Annot* pAnnot,
+                                    uint32_t nFlags,
+                                    const CFX_FloatPoint& point);
+  virtual FX_BOOL Annot_OnMouseWheel(CPDFSDK_PageView* pPageView,
+                                     CPDFSDK_Annot* pAnnot,
+                                     uint32_t nFlags,
+                                     short zDelta,
+                                     const CFX_FloatPoint& point);
+  virtual FX_BOOL Annot_OnRButtonDown(CPDFSDK_PageView* pPageView,
+                                      CPDFSDK_Annot* pAnnot,
+                                      uint32_t nFlags,
+                                      const CFX_FloatPoint& point);
+  virtual FX_BOOL Annot_OnRButtonUp(CPDFSDK_PageView* pPageView,
+                                    CPDFSDK_Annot* pAnnot,
+                                    uint32_t nFlags,
+                                    const CFX_FloatPoint& point);
+  virtual FX_BOOL Annot_OnChar(CPDFSDK_Annot* pAnnot,
+                               uint32_t nChar,
+                               uint32_t nFlags);
+  virtual FX_BOOL Annot_OnKeyDown(CPDFSDK_Annot* pAnnot,
+                                  int nKeyCode,
+                                  int nFlag);
+  virtual FX_BOOL Annot_OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag);
+
+  virtual FX_BOOL Annot_OnSetFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag);
+  virtual FX_BOOL Annot_OnKillFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag);
+
+#ifdef PDF_ENABLE_XFA
+  virtual FX_BOOL Annot_OnChangeFocus(CPDFSDK_Annot* pSetAnnot,
+                                      CPDFSDK_Annot* pKillAnnot);
+#endif  // PDF_ENABLE_XFA
+
+  virtual CFX_FloatRect Annot_OnGetViewBBox(CPDFSDK_PageView* pPageView,
+                                            CPDFSDK_Annot* pAnnot);
+  virtual FX_BOOL Annot_OnHitTest(CPDFSDK_PageView* pPageView,
+                                  CPDFSDK_Annot* pAnnot,
+                                  const CFX_FloatPoint& point);
+
+ private:
+  IPDFSDK_AnnotHandler* GetAnnotHandler(const CFX_ByteString& sType) const;
+  CPDFSDK_Annot* GetNextAnnot(CPDFSDK_Annot* pSDKAnnot, FX_BOOL bNext);
+
+  std::map<CFX_ByteString, std::unique_ptr<IPDFSDK_AnnotHandler>>
+      m_mapType2Handler;
+  CPDFDoc_Environment* m_pApp;
+};
+
+#endif  // FPDFSDK_INCLUDE_CPDFSDK_ANNOTHANDLERMGR_H_
diff --git a/fpdfsdk/include/cpdfsdk_annotiterator.h b/fpdfsdk/include/cpdfsdk_annotiterator.h
new file mode 100644
index 0000000000..f0fb872817
--- /dev/null
+++ b/fpdfsdk/include/cpdfsdk_annotiterator.h
@@ -0,0 +1,31 @@
+// 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 FPDFSDK_INCLUDE_CPDFSDK_ANNOTITERATOR_H_
+#define FPDFSDK_INCLUDE_CPDFSDK_ANNOTITERATOR_H_
+
+#include <vector>
+
+class CPDFSDK_Annot;
+class CPDFSDK_PageView;
+
+class CPDFSDK_AnnotIterator {
+ public:
+  CPDFSDK_AnnotIterator(CPDFSDK_PageView* pPageView, bool bReverse);
+  ~CPDFSDK_AnnotIterator();
+
+  CPDFSDK_Annot* Next();
+
+ private:
+  CPDFSDK_Annot* NextAnnot();
+  CPDFSDK_Annot* PrevAnnot();
+
+  std::vector<CPDFSDK_Annot*> m_iteratorAnnotList;
+  const bool m_bReverse;
+  std::size_t m_pos;
+};
+
+#endif  // FPDFSDK_INCLUDE_CPDFSDK_ANNOTITERATOR_H_
diff --git a/fpdfsdk/include/cpdfsdk_bfannothandler.h b/fpdfsdk/include/cpdfsdk_bfannothandler.h
new file mode 100644
index 0000000000..1fbc13ceee
--- /dev/null
+++ b/fpdfsdk/include/cpdfsdk_bfannothandler.h
@@ -0,0 +1,122 @@
+// 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 FPDFSDK_INCLUDE_CPDFSDK_BFANNOTHANDLER_H_
+#define FPDFSDK_INCLUDE_CPDFSDK_BFANNOTHANDLER_H_
+
+#include "core/fxcrt/include/fx_basic.h"
+#include "core/fxcrt/include/fx_coordinates.h"
+#include "fpdfsdk/include/ipdfsdk_annothandler.h"
+
+class CFFL_IFormFiller;
+class CFX_Matrix;
+class CFX_RenderDevice;
+class CPDF_Annot;
+class CPDFDoc_Environment;
+class CPDFSDK_Annot;
+class CPDFSDK_PageView;
+
+#ifdef PDF_ENABLE_XFA
+class CXFA_FFWidget;
+#endif  // PDF_ENABLE_XFA
+
+class CPDFSDK_BFAnnotHandler : public IPDFSDK_AnnotHandler {
+ public:
+  explicit CPDFSDK_BFAnnotHandler(CPDFDoc_Environment* pApp);
+  ~CPDFSDK_BFAnnotHandler() override;
+
+  CFX_ByteString GetType() override;
+  CFX_ByteString GetName() override;
+  FX_BOOL CanAnswer(CPDFSDK_Annot* pAnnot) override;
+  CPDFSDK_Annot* NewAnnot(CPDF_Annot* pAnnot, CPDFSDK_PageView* pPage) override;
+#ifdef PDF_ENABLE_XFA
+  CPDFSDK_Annot* NewAnnot(CXFA_FFWidget* hWidget,
+                          CPDFSDK_PageView* pPage) override;
+#endif  // PDF_ENABLE_XFA
+  void ReleaseAnnot(CPDFSDK_Annot* pAnnot) override;
+  void DeleteAnnot(CPDFSDK_Annot* pAnnot) override;
+  CFX_FloatRect GetViewBBox(CPDFSDK_PageView* pPageView,
+                            CPDFSDK_Annot* pAnnot) override;
+  FX_BOOL HitTest(CPDFSDK_PageView* pPageView,
+                  CPDFSDK_Annot* pAnnot,
+                  const CFX_FloatPoint& point) override;
+  void OnDraw(CPDFSDK_PageView* pPageView,
+              CPDFSDK_Annot* pAnnot,
+              CFX_RenderDevice* pDevice,
+              CFX_Matrix* pUser2Device,
+              uint32_t dwFlags) override;
+  void OnDrawSleep(CPDFSDK_PageView* pPageView,
+                   CPDFSDK_Annot* pAnnot,
+                   CFX_RenderDevice* pDevice,
+                   CFX_Matrix* pUser2Device,
+                   const CFX_FloatRect& rcWindow,
+                   uint32_t dwFlags) override;
+  void OnCreate(CPDFSDK_Annot* pAnnot) override;
+  void OnLoad(CPDFSDK_Annot* pAnnot) override;
+  void OnDelete(CPDFSDK_Annot* pAnnot) override;
+  void OnRelease(CPDFSDK_Annot* pAnnot) override;
+  void OnMouseEnter(CPDFSDK_PageView* pPageView,
+                    CPDFSDK_Annot* pAnnot,
+                    uint32_t nFlag) override;
+  void OnMouseExit(CPDFSDK_PageView* pPageView,
+                   CPDFSDK_Annot* pAnnot,
+                   uint32_t nFlag) override;
+  FX_BOOL OnLButtonDown(CPDFSDK_PageView* pPageView,
+                        CPDFSDK_Annot* pAnnot,
+                        uint32_t nFlags,
+                        const CFX_FloatPoint& point) override;
+  FX_BOOL OnLButtonUp(CPDFSDK_PageView* pPageView,
+                      CPDFSDK_Annot* pAnnot,
+                      uint32_t nFlags,
+                      const CFX_FloatPoint& point) override;
+  FX_BOOL OnLButtonDblClk(CPDFSDK_PageView* pPageView,
+                          CPDFSDK_Annot* pAnnot,
+                          uint32_t nFlags,
+                          const CFX_FloatPoint& point) override;
+  FX_BOOL OnMouseMove(CPDFSDK_PageView* pPageView,
+                      CPDFSDK_Annot* pAnnot,
+                      uint32_t nFlags,
+                      const CFX_FloatPoint& point) override;
+  FX_BOOL OnMouseWheel(CPDFSDK_PageView* pPageView,
+                       CPDFSDK_Annot* pAnnot,
+                       uint32_t nFlags,
+                       short zDelta,
+                       const CFX_FloatPoint& point) override;
+  FX_BOOL OnRButtonDown(CPDFSDK_PageView* pPageView,
+                        CPDFSDK_Annot* pAnnot,
+                        uint32_t nFlags,
+                        const CFX_FloatPoint& point) override;
+  FX_BOOL OnRButtonUp(CPDFSDK_PageView* pPageView,
+                      CPDFSDK_Annot* pAnnot,
+                      uint32_t nFlags,
+                      const CFX_FloatPoint& point) override;
+  FX_BOOL OnRButtonDblClk(CPDFSDK_PageView* pPageView,
+                          CPDFSDK_Annot* pAnnot,
+                          uint32_t nFlags,
+                          const CFX_FloatPoint& point) override;
+  FX_BOOL OnChar(CPDFSDK_Annot* pAnnot,
+                 uint32_t nChar,
+                 uint32_t nFlags) override;
+  FX_BOOL OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) override;
+  FX_BOOL OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) override;
+  void OnDeSelected(CPDFSDK_Annot* pAnnot) override {}
+  void OnSelected(CPDFSDK_Annot* pAnnot) override {}
+  FX_BOOL OnSetFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) override;
+  FX_BOOL OnKillFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) override;
+#ifdef PDF_ENABLE_XFA
+  FX_BOOL OnXFAChangedFocus(CPDFSDK_Annot* pOldAnnot,
+                            CPDFSDK_Annot* pNewAnnot) override;
+#endif  // PDF_ENABLE_XFA
+
+  void SetFormFiller(CFFL_IFormFiller* pFiller) { m_pFormFiller = pFiller; }
+  CFFL_IFormFiller* GetFormFiller() { return m_pFormFiller; }
+
+ private:
+  CPDFDoc_Environment* m_pApp;
+  CFFL_IFormFiller* m_pFormFiller;
+};
+
+#endif  // FPDFSDK_INCLUDE_CPDFSDK_BFANNOTHANDLER_H_
diff --git a/fpdfsdk/include/cpdfsdk_xfaannothandler.h b/fpdfsdk/include/cpdfsdk_xfaannothandler.h
new file mode 100644
index 0000000000..664d48ff07
--- /dev/null
+++ b/fpdfsdk/include/cpdfsdk_xfaannothandler.h
@@ -0,0 +1,117 @@
+// 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 FPDFSDK_INCLUDE_CPDFSDK_XFAANNOTHANDLER_H_
+#define FPDFSDK_INCLUDE_CPDFSDK_XFAANNOTHANDLER_H_
+
+#ifdef PDF_ENABLE_XFA
+
+#include "core/fxcrt/include/fx_basic.h"
+#include "core/fxcrt/include/fx_coordinates.h"
+#include "fpdfsdk/include/ipdfsdk_annothandler.h"
+
+class CFX_Matrix;
+class CFX_RenderDevice;
+class CPDF_Annot;
+class CPDFDoc_Environment;
+class CPDFSDK_Annot;
+class CPDFSDK_PageView;
+class CXFA_FFWidget;
+class CXFA_FFWidgetHandler;
+
+class CPDFSDK_XFAAnnotHandler : public IPDFSDK_AnnotHandler {
+ public:
+  explicit CPDFSDK_XFAAnnotHandler(CPDFDoc_Environment* pApp);
+  ~CPDFSDK_XFAAnnotHandler() override;
+
+  CFX_ByteString GetType() override;
+  CFX_ByteString GetName() override;
+  FX_BOOL CanAnswer(CPDFSDK_Annot* pAnnot) override;
+  CPDFSDK_Annot* NewAnnot(CPDF_Annot* pAnnot, CPDFSDK_PageView* pPage) override;
+  CPDFSDK_Annot* NewAnnot(CXFA_FFWidget* pAnnot,
+                          CPDFSDK_PageView* pPage) override;
+  void ReleaseAnnot(CPDFSDK_Annot* pAnnot) override;
+  void DeleteAnnot(CPDFSDK_Annot* pAnnot) override;
+  CFX_FloatRect GetViewBBox(CPDFSDK_PageView* pPageView,
+                            CPDFSDK_Annot* pAnnot) override;
+  FX_BOOL HitTest(CPDFSDK_PageView* pPageView,
+                  CPDFSDK_Annot* pAnnot,
+                  const CFX_FloatPoint& point) override;
+  void OnDraw(CPDFSDK_PageView* pPageView,
+              CPDFSDK_Annot* pAnnot,
+              CFX_RenderDevice* pDevice,
+              CFX_Matrix* pUser2Device,
+              uint32_t dwFlags) override;
+  void OnDrawSleep(CPDFSDK_PageView* pPageView,
+                   CPDFSDK_Annot* pAnnot,
+                   CFX_RenderDevice* pDevice,
+                   CFX_Matrix* pUser2Device,
+                   const CFX_FloatRect& rcWindow,
+                   uint32_t dwFlags) override;
+  void OnCreate(CPDFSDK_Annot* pAnnot) override;
+  void OnLoad(CPDFSDK_Annot* pAnnot) override;
+  void OnDelete(CPDFSDK_Annot* pAnnot) override;
+  void OnRelease(CPDFSDK_Annot* pAnnot) override;
+  void OnMouseEnter(CPDFSDK_PageView* pPageView,
+                    CPDFSDK_Annot* pAnnot,
+                    uint32_t nFlag) override;
+  void OnMouseExit(CPDFSDK_PageView* pPageView,
+                   CPDFSDK_Annot* pAnnot,
+                   uint32_t nFlag) override;
+  FX_BOOL OnLButtonDown(CPDFSDK_PageView* pPageView,
+                        CPDFSDK_Annot* pAnnot,
+                        uint32_t nFlags,
+                        const CFX_FloatPoint& point) override;
+  FX_BOOL OnLButtonUp(CPDFSDK_PageView* pPageView,
+                      CPDFSDK_Annot* pAnnot,
+                      uint32_t nFlags,
+                      const CFX_FloatPoint& point) override;
+  FX_BOOL OnLButtonDblClk(CPDFSDK_PageView* pPageView,
+                          CPDFSDK_Annot* pAnnot,
+                          uint32_t nFlags,
+                          const CFX_FloatPoint& point) override;
+  FX_BOOL OnMouseMove(CPDFSDK_PageView* pPageView,
+                      CPDFSDK_Annot* pAnnot,
+                      uint32_t nFlags,
+                      const CFX_FloatPoint& point) override;
+  FX_BOOL OnMouseWheel(CPDFSDK_PageView* pPageView,
+                       CPDFSDK_Annot* pAnnot,
+                       uint32_t nFlags,
+                       short zDelta,
+                       const CFX_FloatPoint& point) override;
+  FX_BOOL OnRButtonDown(CPDFSDK_PageView* pPageView,
+                        CPDFSDK_Annot* pAnnot,
+                        uint32_t nFlags,
+                        const CFX_FloatPoint& point) override;
+  FX_BOOL OnRButtonUp(CPDFSDK_PageView* pPageView,
+                      CPDFSDK_Annot* pAnnot,
+                      uint32_t nFlags,
+                      const CFX_FloatPoint& point) override;
+  FX_BOOL OnRButtonDblClk(CPDFSDK_PageView* pPageView,
+                          CPDFSDK_Annot* pAnnot,
+                          uint32_t nFlags,
+                          const CFX_FloatPoint& point) override;
+  FX_BOOL OnChar(CPDFSDK_Annot* pAnnot,
+                 uint32_t nChar,
+                 uint32_t nFlags) override;
+  FX_BOOL OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) override;
+  FX_BOOL OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) override;
+  void OnDeSelected(CPDFSDK_Annot* pAnnot) override;
+  void OnSelected(CPDFSDK_Annot* pAnnot) override;
+  FX_BOOL OnSetFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) override;
+  FX_BOOL OnKillFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) override;
+  FX_BOOL OnXFAChangedFocus(CPDFSDK_Annot* pOldAnnot,
+                            CPDFSDK_Annot* pNewAnnot) override;
+
+ private:
+  CXFA_FFWidgetHandler* GetXFAWidgetHandler(CPDFSDK_Annot* pAnnot);
+  uint32_t GetFWLFlags(uint32_t dwFlag);
+
+  CPDFDoc_Environment* m_pApp;
+};
+#endif  // PDF_ENABLE_XFA
+
+#endif  // FPDFSDK_INCLUDE_CPDFSDK_XFAANNOTHANDLER_H_
diff --git a/fpdfsdk/include/fsdk_annothandler.h b/fpdfsdk/include/fsdk_annothandler.h
deleted file mode 100644
index 1e25538a32..0000000000
--- a/fpdfsdk/include/fsdk_annothandler.h
+++ /dev/null
@@ -1,433 +0,0 @@
-// 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 FPDFSDK_INCLUDE_FSDK_ANNOTHANDLER_H_
-#define FPDFSDK_INCLUDE_FSDK_ANNOTHANDLER_H_
-
-#include <map>
-#include <memory>
-#include <vector>
-
-#include "core/fxcrt/include/fx_basic.h"
-#include "core/fxcrt/include/fx_coordinates.h"
-
-#ifdef PDF_ENABLE_XFA
-#define FSDK_XFAWIDGET_TYPENAME "XFAWidget"
-#endif  // PDF_ENABLE_XFA
-
-class CFFL_IFormFiller;
-class CFX_RenderDevice;
-class CPDFDoc_Environment;
-class CPDFSDK_Annot;
-class CPDFSDK_PageView;
-class CPDF_Annot;
-class CFX_Matrix;
-class CFX_FloatPoint;
-#ifdef PDF_ENABLE_XFA
-class CXFA_FFWidget;
-class CXFA_FFWidgetHandler;
-#endif  // PDF_ENABLE_XFA
-
-class IPDFSDK_AnnotHandler {
- public:
-  virtual ~IPDFSDK_AnnotHandler() {}
-
-  virtual CFX_ByteString GetType() = 0;
-  virtual CFX_ByteString GetName() = 0;
-  virtual FX_BOOL CanAnswer(CPDFSDK_Annot* pAnnot) = 0;
-  virtual CPDFSDK_Annot* NewAnnot(CPDF_Annot* pAnnot,
-                                  CPDFSDK_PageView* pPage) = 0;
-
-#ifdef PDF_ENABLE_XFA
-  virtual CPDFSDK_Annot* NewAnnot(CXFA_FFWidget* hWidget,
-                                  CPDFSDK_PageView* pPage) = 0;
-#endif  // PDF_ENABLE_XFA
-
-  virtual void ReleaseAnnot(CPDFSDK_Annot* pAnnot) = 0;
-  virtual void DeleteAnnot(CPDFSDK_Annot* pAnnot) = 0;
-  virtual CFX_FloatRect GetViewBBox(CPDFSDK_PageView* pPageView,
-                                    CPDFSDK_Annot* pAnnot) = 0;
-  virtual FX_BOOL HitTest(CPDFSDK_PageView* pPageView,
-                          CPDFSDK_Annot* pAnnot,
-                          const CFX_FloatPoint& point) = 0;
-  virtual void OnDraw(CPDFSDK_PageView* pPageView,
-                      CPDFSDK_Annot* pAnnot,
-                      CFX_RenderDevice* pDevice,
-                      CFX_Matrix* pUser2Device,
-                      uint32_t dwFlags) = 0;
-  virtual void OnDrawSleep(CPDFSDK_PageView* pPageView,
-                           CPDFSDK_Annot* pAnnot,
-                           CFX_RenderDevice* pDevice,
-                           CFX_Matrix* pUser2Device,
-                           const CFX_FloatRect& rcWindow,
-                           uint32_t dwFlags) = 0;
-
-  virtual void OnCreate(CPDFSDK_Annot* pAnnot) = 0;
-  virtual void OnLoad(CPDFSDK_Annot* pAnnot) = 0;
-  virtual void OnDelete(CPDFSDK_Annot* pAnnot) = 0;
-  virtual void OnRelease(CPDFSDK_Annot* pAnnot) = 0;
-  virtual void OnMouseEnter(CPDFSDK_PageView* pPageView,
-                            CPDFSDK_Annot* pAnnot,
-                            uint32_t nFlag) = 0;
-  virtual void OnMouseExit(CPDFSDK_PageView* pPageView,
-                           CPDFSDK_Annot* pAnnot,
-                           uint32_t nFlag) = 0;
-  virtual FX_BOOL OnLButtonDown(CPDFSDK_PageView* pPageView,
-                                CPDFSDK_Annot* pAnnot,
-                                uint32_t nFlags,
-                                const CFX_FloatPoint& point) = 0;
-  virtual FX_BOOL OnLButtonUp(CPDFSDK_PageView* pPageView,
-                              CPDFSDK_Annot* pAnnot,
-                              uint32_t nFlags,
-                              const CFX_FloatPoint& point) = 0;
-  virtual FX_BOOL OnLButtonDblClk(CPDFSDK_PageView* pPageView,
-                                  CPDFSDK_Annot* pAnnot,
-                                  uint32_t nFlags,
-                                  const CFX_FloatPoint& point) = 0;
-  virtual FX_BOOL OnMouseMove(CPDFSDK_PageView* pPageView,
-                              CPDFSDK_Annot* pAnnot,
-                              uint32_t nFlags,
-                              const CFX_FloatPoint& point) = 0;
-  virtual FX_BOOL OnMouseWheel(CPDFSDK_PageView* pPageView,
-                               CPDFSDK_Annot* pAnnot,
-                               uint32_t nFlags,
-                               short zDelta,
-                               const CFX_FloatPoint& point) = 0;
-  virtual FX_BOOL OnRButtonDown(CPDFSDK_PageView* pPageView,
-                                CPDFSDK_Annot* pAnnot,
-                                uint32_t nFlags,
-                                const CFX_FloatPoint& point) = 0;
-  virtual FX_BOOL OnRButtonUp(CPDFSDK_PageView* pPageView,
-                              CPDFSDK_Annot* pAnnot,
-                              uint32_t nFlags,
-                              const CFX_FloatPoint& point) = 0;
-  virtual FX_BOOL OnRButtonDblClk(CPDFSDK_PageView* pPageView,
-                                  CPDFSDK_Annot* pAnnot,
-                                  uint32_t nFlags,
-                                  const CFX_FloatPoint& point) = 0;
-  virtual FX_BOOL OnChar(CPDFSDK_Annot* pAnnot,
-                         uint32_t nChar,
-                         uint32_t nFlags) = 0;
-  virtual FX_BOOL OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) = 0;
-  virtual FX_BOOL OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) = 0;
-  virtual void OnDeSelected(CPDFSDK_Annot* pAnnot) = 0;
-  virtual void OnSelected(CPDFSDK_Annot* pAnnot) = 0;
-  virtual FX_BOOL OnSetFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) = 0;
-  virtual FX_BOOL OnKillFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) = 0;
-#ifdef PDF_ENABLE_XFA
-  virtual FX_BOOL OnXFAChangedFocus(CPDFSDK_Annot* pOldAnnot,
-                                    CPDFSDK_Annot* pNewAnnot) = 0;
-#endif  // PDF_ENABLE_XFA
-};
-
-class CPDFSDK_BFAnnotHandler : public IPDFSDK_AnnotHandler {
- public:
-  explicit CPDFSDK_BFAnnotHandler(CPDFDoc_Environment* pApp);
-  ~CPDFSDK_BFAnnotHandler() override;
-
-  // IPDFSDK_AnnotHandler
-  CFX_ByteString GetType() override;
-  CFX_ByteString GetName() override;
-  FX_BOOL CanAnswer(CPDFSDK_Annot* pAnnot) override;
-  CPDFSDK_Annot* NewAnnot(CPDF_Annot* pAnnot, CPDFSDK_PageView* pPage) override;
-#ifdef PDF_ENABLE_XFA
-  CPDFSDK_Annot* NewAnnot(CXFA_FFWidget* hWidget,
-                          CPDFSDK_PageView* pPage) override;
-#endif  // PDF_ENABLE_XFA
-  void ReleaseAnnot(CPDFSDK_Annot* pAnnot) override;
-  void DeleteAnnot(CPDFSDK_Annot* pAnnot) override;
-  CFX_FloatRect GetViewBBox(CPDFSDK_PageView* pPageView,
-                            CPDFSDK_Annot* pAnnot) override;
-  FX_BOOL HitTest(CPDFSDK_PageView* pPageView,
-                  CPDFSDK_Annot* pAnnot,
-                  const CFX_FloatPoint& point) override;
-  void OnDraw(CPDFSDK_PageView* pPageView,
-              CPDFSDK_Annot* pAnnot,
-              CFX_RenderDevice* pDevice,
-              CFX_Matrix* pUser2Device,
-              uint32_t dwFlags) override;
-  void OnDrawSleep(CPDFSDK_PageView* pPageView,
-                   CPDFSDK_Annot* pAnnot,
-                   CFX_RenderDevice* pDevice,
-                   CFX_Matrix* pUser2Device,
-                   const CFX_FloatRect& rcWindow,
-                   uint32_t dwFlags) override;
-  void OnCreate(CPDFSDK_Annot* pAnnot) override;
-  void OnLoad(CPDFSDK_Annot* pAnnot) override;
-  void OnDelete(CPDFSDK_Annot* pAnnot) override;
-  void OnRelease(CPDFSDK_Annot* pAnnot) override;
-  void OnMouseEnter(CPDFSDK_PageView* pPageView,
-                    CPDFSDK_Annot* pAnnot,
-                    uint32_t nFlag) override;
-  void OnMouseExit(CPDFSDK_PageView* pPageView,
-                   CPDFSDK_Annot* pAnnot,
-                   uint32_t nFlag) override;
-  FX_BOOL OnLButtonDown(CPDFSDK_PageView* pPageView,
-                        CPDFSDK_Annot* pAnnot,
-                        uint32_t nFlags,
-                        const CFX_FloatPoint& point) override;
-  FX_BOOL OnLButtonUp(CPDFSDK_PageView* pPageView,
-                      CPDFSDK_Annot* pAnnot,
-                      uint32_t nFlags,
-                      const CFX_FloatPoint& point) override;
-  FX_BOOL OnLButtonDblClk(CPDFSDK_PageView* pPageView,
-                          CPDFSDK_Annot* pAnnot,
-                          uint32_t nFlags,
-                          const CFX_FloatPoint& point) override;
-  FX_BOOL OnMouseMove(CPDFSDK_PageView* pPageView,
-                      CPDFSDK_Annot* pAnnot,
-                      uint32_t nFlags,
-                      const CFX_FloatPoint& point) override;
-  FX_BOOL OnMouseWheel(CPDFSDK_PageView* pPageView,
-                       CPDFSDK_Annot* pAnnot,
-                       uint32_t nFlags,
-                       short zDelta,
-                       const CFX_FloatPoint& point) override;
-  FX_BOOL OnRButtonDown(CPDFSDK_PageView* pPageView,
-                        CPDFSDK_Annot* pAnnot,
-                        uint32_t nFlags,
-                        const CFX_FloatPoint& point) override;
-  FX_BOOL OnRButtonUp(CPDFSDK_PageView* pPageView,
-                      CPDFSDK_Annot* pAnnot,
-                      uint32_t nFlags,
-                      const CFX_FloatPoint& point) override;
-  FX_BOOL OnRButtonDblClk(CPDFSDK_PageView* pPageView,
-                          CPDFSDK_Annot* pAnnot,
-                          uint32_t nFlags,
-                          const CFX_FloatPoint& point) override;
-  FX_BOOL OnChar(CPDFSDK_Annot* pAnnot,
-                 uint32_t nChar,
-                 uint32_t nFlags) override;
-  FX_BOOL OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) override;
-  FX_BOOL OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) override;
-  void OnDeSelected(CPDFSDK_Annot* pAnnot) override {}
-  void OnSelected(CPDFSDK_Annot* pAnnot) override {}
-  FX_BOOL OnSetFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) override;
-  FX_BOOL OnKillFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) override;
-#ifdef PDF_ENABLE_XFA
-  FX_BOOL OnXFAChangedFocus(CPDFSDK_Annot* pOldAnnot,
-                            CPDFSDK_Annot* pNewAnnot) override;
-#endif  // PDF_ENABLE_XFA
-
-  void SetFormFiller(CFFL_IFormFiller* pFiller) { m_pFormFiller = pFiller; }
-  CFFL_IFormFiller* GetFormFiller() { return m_pFormFiller; }
-
- private:
-  CPDFDoc_Environment* m_pApp;
-  CFFL_IFormFiller* m_pFormFiller;
-};
-
-#ifdef PDF_ENABLE_XFA
-class CPDFSDK_XFAAnnotHandler : public IPDFSDK_AnnotHandler {
- public:
-  explicit CPDFSDK_XFAAnnotHandler(CPDFDoc_Environment* pApp);
-  ~CPDFSDK_XFAAnnotHandler() override;
-
-  // IPDFSDK_AnnotHandler
-  CFX_ByteString GetType() override;
-  CFX_ByteString GetName() override;
-  FX_BOOL CanAnswer(CPDFSDK_Annot* pAnnot) override;
-  CPDFSDK_Annot* NewAnnot(CPDF_Annot* pAnnot, CPDFSDK_PageView* pPage) override;
-  CPDFSDK_Annot* NewAnnot(CXFA_FFWidget* pAnnot,
-                          CPDFSDK_PageView* pPage) override;
-  void ReleaseAnnot(CPDFSDK_Annot* pAnnot) override;
-  void DeleteAnnot(CPDFSDK_Annot* pAnnot) override;
-  CFX_FloatRect GetViewBBox(CPDFSDK_PageView* pPageView,
-                            CPDFSDK_Annot* pAnnot) override;
-  FX_BOOL HitTest(CPDFSDK_PageView* pPageView,
-                  CPDFSDK_Annot* pAnnot,
-                  const CFX_FloatPoint& point) override;
-  void OnDraw(CPDFSDK_PageView* pPageView,
-              CPDFSDK_Annot* pAnnot,
-              CFX_RenderDevice* pDevice,
-              CFX_Matrix* pUser2Device,
-              uint32_t dwFlags) override;
-  void OnDrawSleep(CPDFSDK_PageView* pPageView,
-                   CPDFSDK_Annot* pAnnot,
-                   CFX_RenderDevice* pDevice,
-                   CFX_Matrix* pUser2Device,
-                   const CFX_FloatRect& rcWindow,
-                   uint32_t dwFlags) override;
-  void OnCreate(CPDFSDK_Annot* pAnnot) override;
-  void OnLoad(CPDFSDK_Annot* pAnnot) override;
-  void OnDelete(CPDFSDK_Annot* pAnnot) override;
-  void OnRelease(CPDFSDK_Annot* pAnnot) override;
-  void OnMouseEnter(CPDFSDK_PageView* pPageView,
-                    CPDFSDK_Annot* pAnnot,
-                    uint32_t nFlag) override;
-  void OnMouseExit(CPDFSDK_PageView* pPageView,
-                   CPDFSDK_Annot* pAnnot,
-                   uint32_t nFlag) override;
-  FX_BOOL OnLButtonDown(CPDFSDK_PageView* pPageView,
-                        CPDFSDK_Annot* pAnnot,
-                        uint32_t nFlags,
-                        const CFX_FloatPoint& point) override;
-  FX_BOOL OnLButtonUp(CPDFSDK_PageView* pPageView,
-                      CPDFSDK_Annot* pAnnot,
-                      uint32_t nFlags,
-                      const CFX_FloatPoint& point) override;
-  FX_BOOL OnLButtonDblClk(CPDFSDK_PageView* pPageView,
-                          CPDFSDK_Annot* pAnnot,
-                          uint32_t nFlags,
-                          const CFX_FloatPoint& point) override;
-  FX_BOOL OnMouseMove(CPDFSDK_PageView* pPageView,
-                      CPDFSDK_Annot* pAnnot,
-                      uint32_t nFlags,
-                      const CFX_FloatPoint& point) override;
-  FX_BOOL OnMouseWheel(CPDFSDK_PageView* pPageView,
-                       CPDFSDK_Annot* pAnnot,
-                       uint32_t nFlags,
-                       short zDelta,
-                       const CFX_FloatPoint& point) override;
-  FX_BOOL OnRButtonDown(CPDFSDK_PageView* pPageView,
-                        CPDFSDK_Annot* pAnnot,
-                        uint32_t nFlags,
-                        const CFX_FloatPoint& point) override;
-  FX_BOOL OnRButtonUp(CPDFSDK_PageView* pPageView,
-                      CPDFSDK_Annot* pAnnot,
-                      uint32_t nFlags,
-                      const CFX_FloatPoint& point) override;
-  FX_BOOL OnRButtonDblClk(CPDFSDK_PageView* pPageView,
-                          CPDFSDK_Annot* pAnnot,
-                          uint32_t nFlags,
-                          const CFX_FloatPoint& point) override;
-  FX_BOOL OnChar(CPDFSDK_Annot* pAnnot,
-                 uint32_t nChar,
-                 uint32_t nFlags) override;
-  FX_BOOL OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) override;
-  FX_BOOL OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) override;
-  void OnDeSelected(CPDFSDK_Annot* pAnnot) override;
-  void OnSelected(CPDFSDK_Annot* pAnnot) override;
-  FX_BOOL OnSetFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) override;
-  FX_BOOL OnKillFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) override;
-  FX_BOOL OnXFAChangedFocus(CPDFSDK_Annot* pOldAnnot,
-                            CPDFSDK_Annot* pNewAnnot) override;
-
- private:
-  CXFA_FFWidgetHandler* GetXFAWidgetHandler(CPDFSDK_Annot* pAnnot);
-  uint32_t GetFWLFlags(uint32_t dwFlag);
-
- private:
-  CPDFDoc_Environment* m_pApp;
-};
-#endif  // PDF_ENABLE_XFA
-
-class CPDFSDK_AnnotHandlerMgr {
- public:
-  // Destroy the handler
-  explicit CPDFSDK_AnnotHandlerMgr(CPDFDoc_Environment* pApp);
-  virtual ~CPDFSDK_AnnotHandlerMgr();
-
- public:
-  void RegisterAnnotHandler(IPDFSDK_AnnotHandler* pAnnotHandler);
-  void UnRegisterAnnotHandler(IPDFSDK_AnnotHandler* pAnnotHandler);
-
-  virtual CPDFSDK_Annot* NewAnnot(CPDF_Annot* pAnnot,
-                                  CPDFSDK_PageView* pPageView);
-#ifdef PDF_ENABLE_XFA
-  virtual CPDFSDK_Annot* NewAnnot(CXFA_FFWidget* pAnnot,
-                                  CPDFSDK_PageView* pPageView);
-#endif  // PDF_ENABLE_XFA
-  virtual void ReleaseAnnot(CPDFSDK_Annot* pAnnot);
-
-  virtual void Annot_OnCreate(CPDFSDK_Annot* pAnnot);
-  virtual void Annot_OnLoad(CPDFSDK_Annot* pAnnot);
-
- public:
-  IPDFSDK_AnnotHandler* GetAnnotHandler(CPDFSDK_Annot* pAnnot) const;
-  virtual void Annot_OnDraw(CPDFSDK_PageView* pPageView,
-                            CPDFSDK_Annot* pAnnot,
-                            CFX_RenderDevice* pDevice,
-                            CFX_Matrix* pUser2Device,
-                            uint32_t dwFlags);
-
-  virtual void Annot_OnMouseEnter(CPDFSDK_PageView* pPageView,
-                                  CPDFSDK_Annot* pAnnot,
-                                  uint32_t nFlags);
-  virtual void Annot_OnMouseExit(CPDFSDK_PageView* pPageView,
-                                 CPDFSDK_Annot* pAnnot,
-                                 uint32_t nFlags);
-
-  virtual FX_BOOL Annot_OnLButtonDown(CPDFSDK_PageView* pPageView,
-                                      CPDFSDK_Annot* pAnnot,
-                                      uint32_t nFlags,
-                                      const CFX_FloatPoint& point);
-  virtual FX_BOOL Annot_OnLButtonUp(CPDFSDK_PageView* pPageView,
-                                    CPDFSDK_Annot* pAnnot,
-                                    uint32_t nFlags,
-                                    const CFX_FloatPoint& point);
-  virtual FX_BOOL Annot_OnLButtonDblClk(CPDFSDK_PageView* pPageView,
-                                        CPDFSDK_Annot* pAnnot,
-                                        uint32_t nFlags,
-                                        const CFX_FloatPoint& point);
-
-  virtual FX_BOOL Annot_OnMouseMove(CPDFSDK_PageView* pPageView,
-                                    CPDFSDK_Annot* pAnnot,
-                                    uint32_t nFlags,
-                                    const CFX_FloatPoint& point);
-  virtual FX_BOOL Annot_OnMouseWheel(CPDFSDK_PageView* pPageView,
-                                     CPDFSDK_Annot* pAnnot,
-                                     uint32_t nFlags,
-                                     short zDelta,
-                                     const CFX_FloatPoint& point);
-  virtual FX_BOOL Annot_OnRButtonDown(CPDFSDK_PageView* pPageView,
-                                      CPDFSDK_Annot* pAnnot,
-                                      uint32_t nFlags,
-                                      const CFX_FloatPoint& point);
-  virtual FX_BOOL Annot_OnRButtonUp(CPDFSDK_PageView* pPageView,
-                                    CPDFSDK_Annot* pAnnot,
-                                    uint32_t nFlags,
-                                    const CFX_FloatPoint& point);
-
-  virtual FX_BOOL Annot_OnChar(CPDFSDK_Annot* pAnnot,
-                               uint32_t nChar,
-                               uint32_t nFlags);
-  virtual FX_BOOL Annot_OnKeyDown(CPDFSDK_Annot* pAnnot,
-                                  int nKeyCode,
-                                  int nFlag);
-  virtual FX_BOOL Annot_OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag);
-
-  virtual FX_BOOL Annot_OnSetFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag);
-  virtual FX_BOOL Annot_OnKillFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag);
-
-#ifdef PDF_ENABLE_XFA
-  virtual FX_BOOL Annot_OnChangeFocus(CPDFSDK_Annot* pSetAnnot,
-                                      CPDFSDK_Annot* pKillAnnot);
-#endif  // PDF_ENABLE_XFA
-
-  virtual CFX_FloatRect Annot_OnGetViewBBox(CPDFSDK_PageView* pPageView,
-                                            CPDFSDK_Annot* pAnnot);
-  virtual FX_BOOL Annot_OnHitTest(CPDFSDK_PageView* pPageView,
-                                  CPDFSDK_Annot* pAnnot,
-                                  const CFX_FloatPoint& point);
-
- private:
-  IPDFSDK_AnnotHandler* GetAnnotHandler(const CFX_ByteString& sType) const;
-  CPDFSDK_Annot* GetNextAnnot(CPDFSDK_Annot* pSDKAnnot, FX_BOOL bNext);
-
- private:
-  std::map<CFX_ByteString, std::unique_ptr<IPDFSDK_AnnotHandler>>
-      m_mapType2Handler;
-  CPDFDoc_Environment* m_pApp;
-};
-
-class CPDFSDK_AnnotIterator {
- public:
-  CPDFSDK_AnnotIterator(CPDFSDK_PageView* pPageView, bool bReverse);
-  ~CPDFSDK_AnnotIterator();
-
-  CPDFSDK_Annot* Next();
-
- private:
-  CPDFSDK_Annot* NextAnnot();
-  CPDFSDK_Annot* PrevAnnot();
-
-  std::vector<CPDFSDK_Annot*> m_iteratorAnnotList;
-  const bool m_bReverse;
-  size_t m_pos;
-};
-
-#endif  // FPDFSDK_INCLUDE_FSDK_ANNOTHANDLER_H_
diff --git a/fpdfsdk/include/fsdk_mgr.h b/fpdfsdk/include/fsdk_mgr.h
index 1389d6cbbf..f9d382cc78 100644
--- a/fpdfsdk/include/fsdk_mgr.h
+++ b/fpdfsdk/include/fsdk_mgr.h
@@ -17,7 +17,6 @@
 #include "fpdfsdk/cfx_systemhandler.h"
 #include "fpdfsdk/include/cpdfsdk_annot.h"
 #include "fpdfsdk/include/fsdk_actionhandler.h"
-#include "fpdfsdk/include/fsdk_annothandler.h"
 #include "fpdfsdk/include/fsdk_baseform.h"
 #include "fpdfsdk/include/fsdk_common.h"
 #include "fpdfsdk/include/fsdk_define.h"
@@ -29,6 +28,7 @@ class CFX_SystemHandler;
 class CPDF_AnnotList;
 class CPDFSDK_ActionHandler;
 class CPDFSDK_Annot;
+class CPDFSDK_AnnotHandlerMgr;
 class CPDFSDK_InterForm;
 class CPDFSDK_PageView;
 class CPDFSDK_Widget;
diff --git a/fpdfsdk/include/ipdfsdk_annothandler.h b/fpdfsdk/include/ipdfsdk_annothandler.h
new file mode 100644
index 0000000000..ac7be62bce
--- /dev/null
+++ b/fpdfsdk/include/ipdfsdk_annothandler.h
@@ -0,0 +1,119 @@
+// 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 FPDFSDK_INCLUDE_IPDFSDK_ANNOTHANDLER_H_
+#define FPDFSDK_INCLUDE_IPDFSDK_ANNOTHANDLER_H_
+
+#include "core/fxcrt/include/fx_basic.h"
+#include "core/fxcrt/include/fx_coordinates.h"
+
+#ifdef PDF_ENABLE_XFA
+#define FSDK_XFAWIDGET_TYPENAME "XFAWidget"
+#endif  // PDF_ENABLE_XFA
+
+class CFX_Matrix;
+class CFX_RenderDevice;
+class CPDF_Annot;
+class CPDFSDK_Annot;
+class CPDFSDK_PageView;
+
+#ifdef PDF_ENABLE_XFA
+class CXFA_FFWidget;
+#endif  // PDF_ENABLE_XFA
+
+class IPDFSDK_AnnotHandler {
+ public:
+  virtual ~IPDFSDK_AnnotHandler() {}
+
+  virtual CFX_ByteString GetType() = 0;
+  virtual CFX_ByteString GetName() = 0;
+  virtual FX_BOOL CanAnswer(CPDFSDK_Annot* pAnnot) = 0;
+  virtual CPDFSDK_Annot* NewAnnot(CPDF_Annot* pAnnot,
+                                  CPDFSDK_PageView* pPage) = 0;
+
+#ifdef PDF_ENABLE_XFA
+  virtual CPDFSDK_Annot* NewAnnot(CXFA_FFWidget* hWidget,
+                                  CPDFSDK_PageView* pPage) = 0;
+#endif  // PDF_ENABLE_XFA
+
+  virtual void ReleaseAnnot(CPDFSDK_Annot* pAnnot) = 0;
+  virtual void DeleteAnnot(CPDFSDK_Annot* pAnnot) = 0;
+  virtual CFX_FloatRect GetViewBBox(CPDFSDK_PageView* pPageView,
+                                    CPDFSDK_Annot* pAnnot) = 0;
+  virtual FX_BOOL HitTest(CPDFSDK_PageView* pPageView,
+                          CPDFSDK_Annot* pAnnot,
+                          const CFX_FloatPoint& point) = 0;
+  virtual void OnDraw(CPDFSDK_PageView* pPageView,
+                      CPDFSDK_Annot* pAnnot,
+                      CFX_RenderDevice* pDevice,
+                      CFX_Matrix* pUser2Device,
+                      uint32_t dwFlags) = 0;
+  virtual void OnDrawSleep(CPDFSDK_PageView* pPageView,
+                           CPDFSDK_Annot* pAnnot,
+                           CFX_RenderDevice* pDevice,
+                           CFX_Matrix* pUser2Device,
+                           const CFX_FloatRect& rcWindow,
+                           uint32_t dwFlags) = 0;
+
+  virtual void OnCreate(CPDFSDK_Annot* pAnnot) = 0;
+  virtual void OnLoad(CPDFSDK_Annot* pAnnot) = 0;
+  virtual void OnDelete(CPDFSDK_Annot* pAnnot) = 0;
+  virtual void OnRelease(CPDFSDK_Annot* pAnnot) = 0;
+  virtual void OnMouseEnter(CPDFSDK_PageView* pPageView,
+                            CPDFSDK_Annot* pAnnot,
+                            uint32_t nFlag) = 0;
+  virtual void OnMouseExit(CPDFSDK_PageView* pPageView,
+                           CPDFSDK_Annot* pAnnot,
+                           uint32_t nFlag) = 0;
+  virtual FX_BOOL OnLButtonDown(CPDFSDK_PageView* pPageView,
+                                CPDFSDK_Annot* pAnnot,
+                                uint32_t nFlags,
+                                const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnLButtonUp(CPDFSDK_PageView* pPageView,
+                              CPDFSDK_Annot* pAnnot,
+                              uint32_t nFlags,
+                              const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnLButtonDblClk(CPDFSDK_PageView* pPageView,
+                                  CPDFSDK_Annot* pAnnot,
+                                  uint32_t nFlags,
+                                  const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnMouseMove(CPDFSDK_PageView* pPageView,
+                              CPDFSDK_Annot* pAnnot,
+                              uint32_t nFlags,
+                              const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnMouseWheel(CPDFSDK_PageView* pPageView,
+                               CPDFSDK_Annot* pAnnot,
+                               uint32_t nFlags,
+                               short zDelta,
+                               const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnRButtonDown(CPDFSDK_PageView* pPageView,
+                                CPDFSDK_Annot* pAnnot,
+                                uint32_t nFlags,
+                                const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnRButtonUp(CPDFSDK_PageView* pPageView,
+                              CPDFSDK_Annot* pAnnot,
+                              uint32_t nFlags,
+                              const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnRButtonDblClk(CPDFSDK_PageView* pPageView,
+                                  CPDFSDK_Annot* pAnnot,
+                                  uint32_t nFlags,
+                                  const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnChar(CPDFSDK_Annot* pAnnot,
+                         uint32_t nChar,
+                         uint32_t nFlags) = 0;
+  virtual FX_BOOL OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) = 0;
+  virtual FX_BOOL OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) = 0;
+  virtual void OnDeSelected(CPDFSDK_Annot* pAnnot) = 0;
+  virtual void OnSelected(CPDFSDK_Annot* pAnnot) = 0;
+  virtual FX_BOOL OnSetFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) = 0;
+  virtual FX_BOOL OnKillFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) = 0;
+#ifdef PDF_ENABLE_XFA
+  virtual FX_BOOL OnXFAChangedFocus(CPDFSDK_Annot* pOldAnnot,
+                                    CPDFSDK_Annot* pNewAnnot) = 0;
+#endif  // PDF_ENABLE_XFA
+};
+
+#endif  // FPDFSDK_INCLUDE_IPDFSDK_ANNOTHANDLER_H_