commit db0be96179f0cd5f1787564cbccf86320a4d54ae
author Tom Sepez <tsepez@chromium.org> Fri Oct 16 14:00:21 2015 -0700
committer Tom Sepez <tsepez@chromium.org> Fri Oct 16 14:00:21 2015 -0700
tree 447ba797f172bfffa2d21dacc7dbf6fb2900bfd7
parent cebdda5a686251087f14e8df19b7f988dfae46de

Merge to XFA: Introduce CPDFPageFromFPFDPage()

Original Review URL: https://codereview.chromium.org/1406543004 .
(cherry picked from commit 943ea142b6a7e6edc91fe3c307013129e6eb0ef3)

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1411623002 .

fpdfsdk/src/fpdfdoc.cpp

diff --git a/fpdfsdk/src/fpdfdoc.cpp b/fpdfsdk/src/fpdfdoc.cpp
index d4b6b08..d1b71ac 100644
--- a/fpdfsdk/src/fpdfdoc.cpp
+++ b/fpdfsdk/src/fpdfdoc.cpp
@@ -203,8 +203,7 @@
 
 DLLEXPORT FPDF_LINK STDCALL
 FPDFLink_GetLinkAtPoint(FPDF_PAGE page, double x, double y) {
-  CPDFXFA_Page* pXFAPage = (CPDFXFA_Page*)page;
-  CPDF_Page* pPage = pXFAPage->GetPDFPage();
+  CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (!pPage)
     return nullptr;
 
@@ -218,8 +217,7 @@
 
 DLLEXPORT int STDCALL
 FPDFLink_GetLinkZOrderAtPoint(FPDF_PAGE page, double x, double y) {
-  CPDFXFA_Page* pXFAPage = (CPDFXFA_Page*)page;
-  CPDF_Page* pPage = pXFAPage->GetPDFPage();
+  CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (!pPage)
     return -1;
 
@@ -261,10 +259,10 @@
 DLLEXPORT FPDF_BOOL STDCALL FPDFLink_Enumerate(FPDF_PAGE page,
                                                int* startPos,
                                                FPDF_LINK* linkAnnot) {
-  if (!page || !startPos || !linkAnnot)
+  if (!startPos || !linkAnnot)
     return FALSE;
-  CPDF_Page* pPage = ((CPDFXFA_Page*)page)->GetPDFPage();
-  if (!pPage->m_pFormDict)
+  CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
+  if (!pPage || !pPage->m_pFormDict)
     return FALSE;
   CPDF_Array* pAnnots = pPage->m_pFormDict->GetArray("Annots");
   if (!pAnnots)