Display content of the annotation when mouse hover.

fpdfsdk/include/cpdfsdk_baannothandler.h

Index: fpdfsdk/include/cpdfsdk_baannothandler.h
diff --git a/fpdfsdk/include/cpdfsdk_xfaannothandler.h b/fpdfsdk/include/cpdfsdk_baannothandler.h
similarity index 88%
copy from fpdfsdk/include/cpdfsdk_xfaannothandler.h
copy to fpdfsdk/include/cpdfsdk_baannothandler.h
index 2dd6f297a725efa590938f07d2e619cdd0d47d6e..c1936a798ef4003fc180f35636b8ee4c30efc4ce 100644
--- a/fpdfsdk/include/cpdfsdk_xfaannothandler.h
+++ b/fpdfsdk/include/cpdfsdk_baannothandler.h
@@ -4,32 +4,37 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef FPDFSDK_INCLUDE_CPDFSDK_XFAANNOTHANDLER_H_
-#define FPDFSDK_INCLUDE_CPDFSDK_XFAANNOTHANDLER_H_
+#ifndef FPDFSDK_INCLUDE_CPDFSDK_BAANNOTHANDLER_H_
+#define FPDFSDK_INCLUDE_CPDFSDK_BAANNOTHANDLER_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;
-class CXFA_FFWidgetHandler;
+#endif  // PDF_ENABLE_XFA
 
-class CPDFSDK_XFAAnnotHandler : public IPDFSDK_AnnotHandler {
+class CPDFSDK_BAAnnotHandler : public IPDFSDK_AnnotHandler {
  public:
-  explicit CPDFSDK_XFAAnnotHandler(CPDFDoc_Environment* pApp);
-  ~CPDFSDK_XFAAnnotHandler() override;
+  CPDFSDK_BAAnnotHandler();
+  ~CPDFSDK_BAAnnotHandler() override;
 
   CFX_ByteString GetType() override;
   FX_BOOL CanAnswer(CPDFSDK_Annot* pAnnot) override;
   CPDFSDK_Annot* NewAnnot(CPDF_Annot* pAnnot, CPDFSDK_PageView* pPage) override;
-  CPDFSDK_Annot* NewAnnot(CXFA_FFWidget* pAnnot,
+#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,
@@ -100,14 +105,10 @@ class CPDFSDK_XFAAnnotHandler : public IPDFSDK_AnnotHandler {
   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;
-
- 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_
+#endif  // FPDFSDK_INCLUDE_CPDFSDK_BAANNOTHANDLER_H_