Merge to XFA: Add new public APIs to find the z-order for links and widgets.
- Implement FPDFLink_GetLinkZOrderAtPoint().
- Implement FPDFPage_FormFieldZOrderAtPoint().
- Mark FPDPage_HasFormFieldAtPoint() as deprecated.
- Modify CPDF_LinkList and CPDF_InterForm to support new APIs.
- Clean up dead code in CPDF_LinkList and CPDF_InterForm.
BUG=chromium:515837
R=jun_fang@foxitsoftware.com, tsepez@chromium.org
Review URL: https://codereview.chromium.org/1278053004 .
(cherry picked from commit 24fbf134d43a7ec4226de3db601f0a617bbe428b)
Review URL: https://codereview.chromium.org/1295893005 .
diff --git a/fpdfsdk/src/fpdfdoc.cpp b/fpdfsdk/src/fpdfdoc.cpp
index 0006094..47225dd 100644
--- a/fpdfsdk/src/fpdfdoc.cpp
+++ b/fpdfsdk/src/fpdfdoc.cpp
@@ -9,11 +9,13 @@
#include "../include/fpdfxfa/fpdfxfa_doc.h"
#include "../include/fpdfxfa/fpdfxfa_page.h"
-static int THISMODULE = 0;
+namespace {
-static CPDF_Bookmark FindBookmark(const CPDF_BookmarkTree& tree,
- CPDF_Bookmark bookmark,
- const CFX_WideString& title) {
+int THISMODULE = 0;
+
+CPDF_Bookmark FindBookmark(const CPDF_BookmarkTree& tree,
+ CPDF_Bookmark bookmark,
+ const CFX_WideString& title) {
if (bookmark && bookmark.GetTitle().CompareNoCase(title.c_str()) == 0) {
// First check this item
return bookmark;
@@ -30,6 +32,26 @@
return CPDF_Bookmark();
}
+void ReleaseLinkList(void* data) {
+ delete (CPDF_LinkList*)data;
+}
+
+CPDF_LinkList* GetLinkList(CPDF_Page* page) {
+ if (!page)
+ return nullptr;
+
+ // Link list is stored with the document
+ CPDF_Document* pDoc = page->m_pDocument;
+ CPDF_LinkList* pLinkList = (CPDF_LinkList*)pDoc->GetPrivateData(&THISMODULE);
+ if (!pLinkList) {
+ pLinkList = new CPDF_LinkList;
+ pDoc->SetPrivateData(&THISMODULE, pLinkList, ReleaseLinkList);
+ }
+ return pLinkList;
+}
+
+} // namespace
+
DLLEXPORT FPDF_BOOKMARK STDCALL
FPDFBookmark_GetFirstChild(FPDF_DOCUMENT document, FPDF_BOOKMARK pDict) {
if (!document || !pDict)
@@ -163,26 +185,35 @@
return dest.GetPageIndex(pDoc);
}
-static void ReleaseLinkList(void* data) {
- delete (CPDF_LinkList*)data;
+DLLEXPORT FPDF_LINK STDCALL
+FPDFLink_GetLinkAtPoint(FPDF_PAGE page, double x, double y) {
+ CPDFXFA_Page* pXFAPage = (CPDFXFA_Page*)page;
+ CPDF_Page* pPage = pXFAPage->GetPDFPage();
+ if (!pPage)
+ return nullptr;
+
+ CPDF_LinkList* pLinkList = GetLinkList(pPage);
+ if (!pLinkList)
+ return nullptr;
+
+ return pLinkList->GetLinkAtPoint(pPage, (FX_FLOAT)x, (FX_FLOAT)y, nullptr)
+ .GetDict();
}
-DLLEXPORT FPDF_LINK STDCALL FPDFLink_GetLinkAtPoint(FPDF_PAGE page,
- double x,
- double y) {
- if (!page)
- return NULL;
- CPDF_Page* pPage = ((CPDFXFA_Page*)page)->GetPDFPage();
+DLLEXPORT int STDCALL
+FPDFLink_GetLinkZOrderAtPoint(FPDF_PAGE page, double x, double y) {
+ CPDFXFA_Page* pXFAPage = (CPDFXFA_Page*)page;
+ CPDF_Page* pPage = pXFAPage->GetPDFPage();
if (!pPage)
- return NULL;
- // Link list is stored with the document
- CPDF_Document* pDoc = pPage->m_pDocument;
- CPDF_LinkList* pLinkList = (CPDF_LinkList*)pDoc->GetPrivateData(&THISMODULE);
- if (!pLinkList) {
- pLinkList = new CPDF_LinkList(pDoc);
- pDoc->SetPrivateData(&THISMODULE, pLinkList, ReleaseLinkList);
- }
- return pLinkList->GetLinkAtPoint(pPage, (FX_FLOAT)x, (FX_FLOAT)y).GetDict();
+ return -1;
+
+ CPDF_LinkList* pLinkList = GetLinkList(pPage);
+ if (!pLinkList)
+ return -1;
+
+ int z_order = -1;
+ pLinkList->GetLinkAtPoint(pPage, (FX_FLOAT)x, (FX_FLOAT)y, &z_order);
+ return z_order;
}
DLLEXPORT FPDF_DEST STDCALL FPDFLink_GetDest(FPDF_DOCUMENT document,
diff --git a/fpdfsdk/src/fpdfformfill.cpp b/fpdfsdk/src/fpdfformfill.cpp
index abb8026..51d90b7 100644
--- a/fpdfsdk/src/fpdfformfill.cpp
+++ b/fpdfsdk/src/fpdfformfill.cpp
@@ -37,32 +37,26 @@
} // namespace
-DLLEXPORT int STDCALL FPDPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle,
- FPDF_PAGE page,
- double page_x,
- double page_y) {
+DLLEXPORT int STDCALL FPDFPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle,
+ FPDF_PAGE page,
+ double page_x,
+ double page_y) {
if (!page || !hHandle)
return -1;
+
CPDF_Page* pPage = ((CPDFXFA_Page*)page)->GetPDFPage();
if (pPage) {
- CPDF_InterForm* pInterForm = NULL;
- pInterForm = new CPDF_InterForm(pPage->m_pDocument, FALSE);
- if (!pInterForm)
+ CPDF_InterForm interform(pPage->m_pDocument, FALSE);
+ CPDF_FormControl* pFormCtrl = interform.GetControlAtPoint(
+ pPage, (FX_FLOAT)page_x, (FX_FLOAT)page_y, nullptr);
+ if (!pFormCtrl)
return -1;
- CPDF_FormControl* pFormCtrl = pInterForm->GetControlAtPoint(
- pPage, (FX_FLOAT)page_x, (FX_FLOAT)page_y);
- if (!pFormCtrl) {
- delete pInterForm;
- return -1;
- }
+
CPDF_FormField* pFormField = pFormCtrl->GetField();
- if (!pFormField) {
- delete pInterForm;
+ if (!pFormField)
return -1;
- }
int nType = pFormField->GetFieldType();
- delete pInterForm;
return nType;
}
@@ -109,6 +103,28 @@
return -1;
}
+DLLEXPORT int STDCALL FPDPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle,
+ FPDF_PAGE page,
+ double page_x,
+ double page_y) {
+ return FPDFPage_HasFormFieldAtPoint(hHandle, page, page_x, page_y);
+}
+
+DLLEXPORT int STDCALL FPDFPage_FormFieldZOrderAtPoint(FPDF_FORMHANDLE hHandle,
+ FPDF_PAGE page,
+ double page_x,
+ double page_y) {
+ if (!page || !hHandle)
+ return -1;
+
+ CPDF_Page* pPage = (CPDF_Page*)page;
+ CPDF_InterForm interform(pPage->m_pDocument, FALSE);
+ int z_order = -1;
+ (void)interform.GetControlAtPoint(pPage, (FX_FLOAT)page_x, (FX_FLOAT)page_y,
+ &z_order);
+ return z_order;
+}
+
DLLEXPORT FPDF_FORMHANDLE STDCALL
FPDFDOC_InitFormFillEnvironment(FPDF_DOCUMENT document,
FPDF_FORMFILLINFO* formInfo) {
diff --git a/fpdfsdk/src/fpdfview_c_api_test.c b/fpdfsdk/src/fpdfview_c_api_test.c
index f96aec4..01789b4 100644
--- a/fpdfsdk/src/fpdfview_c_api_test.c
+++ b/fpdfsdk/src/fpdfview_c_api_test.c
@@ -54,6 +54,7 @@
CHK(FPDFAction_GetURIPath);
CHK(FPDFDest_GetPageIndex);
CHK(FPDFLink_GetLinkAtPoint);
+ CHK(FPDFLink_GetLinkZOrderAtPoint);
CHK(FPDFLink_GetDest);
CHK(FPDFLink_GetAction);
CHK(FPDFLink_Enumerate);
@@ -108,7 +109,9 @@
CHK(FORM_OnKeyUp);
CHK(FORM_OnChar);
CHK(FORM_ForceToKillFocus);
- CHK(FPDPage_HasFormFieldAtPoint);
+ CHK(FPDFPage_HasFormFieldAtPoint);
+ CHK(FPDPage_HasFormFieldAtPoint); // DEPRECATED. Remove in the future.
+ CHK(FPDFPage_FormFieldZOrderAtPoint);
CHK(FPDF_SetFormFieldHighlightColor);
CHK(FPDF_SetFormFieldHighlightAlpha);
CHK(FPDF_RemoveFormFieldHighlight);
