Add CPDSDK_Annot::AsBAAnnot() checked downcast method
XFA introduces some additional subclasses, so it doesn't hurt
to be sure in all cases before making a static cast.
Change-Id: I7447ca58be0b57201b39ba40a3fc5f47505cee58
Reviewed-on: https://pdfium-review.googlesource.com/39013
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/fpdfsdk/cpdfsdk_annot.h b/fpdfsdk/cpdfsdk_annot.h
index 459c6d0..708a223 100644
--- a/fpdfsdk/cpdfsdk_annot.h
+++ b/fpdfsdk/cpdfsdk_annot.h
@@ -20,6 +20,7 @@
class CFX_RenderDevice;
class CPDF_Page;
class CPDF_RenderOptions;
+class CPDFSDK_BAAnnot;
class CPDFSDK_PageView;
#ifdef PDF_ENABLE_XFA
@@ -31,6 +32,8 @@
explicit CPDFSDK_Annot(CPDFSDK_PageView* pPageView);
virtual ~CPDFSDK_Annot();
+ virtual CPDFSDK_BAAnnot* AsBAAnnot();
+
#ifdef PDF_ENABLE_XFA
virtual bool IsXFAField();
virtual CXFA_FFWidget* GetXFAWidget() const;
@@ -57,4 +60,8 @@
UnownedPtr<CPDFSDK_PageView> const m_pPageView;
};
+inline CPDFSDK_BAAnnot* ToBAAnnot(CPDFSDK_Annot* pAnnot) {
+ return pAnnot ? pAnnot->AsBAAnnot() : nullptr;
+}
+
#endif // FPDFSDK_CPDFSDK_ANNOT_H_
