Remove dead code from CPDF_InterForm.

Clean up related code.

Review-Url: https://codereview.chromium.org/2003853003

4 files changed, 16 insertions, 20 deletions

diff --git a/fpdfsdk/fpdf_ext.cpp b/fpdfsdk/fpdf_ext.cpp
index 9bb54da594..350945e328 100644
--- a/fpdfsdk/fpdf_ext.cpp
+++ b/fpdfsdk/fpdf_ext.cpp
@@ -6,6 +6,8 @@
 
 #include "public/fpdf_ext.h"
 
+#include <memory>
+
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
 #include "core/fpdfapi/include/cpdf_modulemgr.h"
@@ -20,13 +22,13 @@
 
 class CFSDK_UnsupportInfo_Adapter {
  public:
-  CFSDK_UnsupportInfo_Adapter(UNSUPPORT_INFO* unsp_info) {
-    m_unsp_info = unsp_info;
-  }
+  explicit CFSDK_UnsupportInfo_Adapter(UNSUPPORT_INFO* unsp_info)
+      : m_unsp_info(unsp_info) {}
+
   void ReportError(int nErrorType);
 
  private:
-  UNSUPPORT_INFO* m_unsp_info;
+  UNSUPPORT_INFO* const m_unsp_info;
 };
 
 void CFSDK_UnsupportInfo_Adapter::ReportError(int nErrorType) {
@@ -183,11 +185,9 @@ void CheckUnSupportError(CPDF_Document* pDoc, uint32_t err_code) {
 
 #ifndef PDF_ENABLE_XFA
   // XFA Forms
-  CPDF_InterForm* pInterForm = new CPDF_InterForm(pDoc, FALSE);
-  if (pInterForm->HasXFAForm()) {
+  CPDF_InterForm interform(pDoc);
+  if (interform.HasXFAForm())
     FPDF_UnSupportError(FPDF_UNSP_DOC_XFAFORM);
-  }
-  delete pInterForm;
 #endif  // PDF_ENABLE_XFA
 }
 
diff --git a/fpdfsdk/fpdfformfill.cpp b/fpdfsdk/fpdfformfill.cpp
index 438150974d..81c5dd7a12 100644
--- a/fpdfsdk/fpdfformfill.cpp
+++ b/fpdfsdk/fpdfformfill.cpp
@@ -64,7 +64,7 @@ DLLEXPORT int STDCALL FPDFPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle,
     return -1;
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (pPage) {
-    CPDF_InterForm interform(pPage->m_pDocument, FALSE);
+    CPDF_InterForm interform(pPage->m_pDocument);
     CPDF_FormControl* pFormCtrl =
         interform.GetControlAtPoint(pPage, static_cast<FX_FLOAT>(page_x),
                                     static_cast<FX_FLOAT>(page_y), nullptr);
@@ -134,7 +134,7 @@ DLLEXPORT int STDCALL FPDFPage_FormFieldZOrderAtPoint(FPDF_FORMHANDLE hHandle,
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (!pPage)
     return -1;
-  CPDF_InterForm interform(pPage->m_pDocument, FALSE);
+  CPDF_InterForm interform(pPage->m_pDocument);
   int z_order = -1;
   (void)interform.GetControlAtPoint(pPage, (FX_FLOAT)page_x, (FX_FLOAT)page_y,
                                     &z_order);
diff --git a/fpdfsdk/fsdk_baseform.cpp b/fpdfsdk/fsdk_baseform.cpp
index 4e5c9f0065..dbef4a9b67 100644
--- a/fpdfsdk/fsdk_baseform.cpp
+++ b/fpdfsdk/fsdk_baseform.cpp
@@ -1967,24 +1967,20 @@ CFX_FloatRect CPDFSDK_XFAWidget::GetRect() const {
 
 CPDFSDK_InterForm::CPDFSDK_InterForm(CPDFSDK_Document* pDocument)
     : m_pDocument(pDocument),
-      m_pInterForm(NULL),
+      m_pInterForm(new CPDF_InterForm(m_pDocument->GetPDFDocument())),
 #ifdef PDF_ENABLE_XFA
       m_bXfaCalculate(TRUE),
       m_bXfaValidationsEnabled(TRUE),
 #endif  // PDF_ENABLE_XFA
       m_bCalculate(TRUE),
       m_bBusy(FALSE) {
-  m_pInterForm = new CPDF_InterForm(m_pDocument->GetPDFDocument(), FALSE);
   m_pInterForm->SetFormNotify(this);
-
   for (int i = 0; i < kNumFieldTypes; ++i)
     m_bNeedHightlight[i] = FALSE;
   m_iHighlightAlpha = 0;
 }
 
 CPDFSDK_InterForm::~CPDFSDK_InterForm() {
-  delete m_pInterForm;
-  m_pInterForm = nullptr;
   m_Map.clear();
 #ifdef PDF_ENABLE_XFA
   m_XFAMap.clear();
diff --git a/fpdfsdk/include/fsdk_baseform.h b/fpdfsdk/include/fsdk_baseform.h
index fa19c75a6b..5e00e16402 100644
--- a/fpdfsdk/include/fsdk_baseform.h
+++ b/fpdfsdk/include/fsdk_baseform.h
@@ -212,7 +212,7 @@ class CPDFSDK_Widget : public CPDFSDK_BAAnnot {
   FX_BOOL HitTest(FX_FLOAT pageX, FX_FLOAT pageY);
 
  private:
-  CPDFSDK_InterForm* m_pInterForm;
+  CPDFSDK_InterForm* const m_pInterForm;
   FX_BOOL m_bAppModified;
   int32_t m_nAppAge;
   int32_t m_nValueAge;
@@ -245,12 +245,12 @@ class CPDFSDK_XFAWidget : public CPDFSDK_Annot {
 };
 #endif  // PDF_ENABLE_XFA
 
-class CPDFSDK_InterForm : public CPDF_FormNotify {
+class CPDFSDK_InterForm : public IPDF_FormNotify {
  public:
   explicit CPDFSDK_InterForm(CPDFSDK_Document* pDocument);
   ~CPDFSDK_InterForm() override;
 
-  CPDF_InterForm* GetInterForm() const { return m_pInterForm; }
+  CPDF_InterForm* GetInterForm() const { return m_pInterForm.get(); }
   CPDFSDK_Document* GetDocument() const { return m_pDocument; }
 
   FX_BOOL HighlightWidgets();
@@ -313,7 +313,7 @@ class CPDFSDK_InterForm : public CPDF_FormNotify {
 #endif  // PDF_ENABLE_XFA
 
  private:
-  // CPDF_FormNotify:
+  // IPDF_FormNotify:
   int BeforeValueChange(CPDF_FormField* pField,
                         const CFX_WideString& csValue) override;
   void AfterValueChange(CPDF_FormField* pField) override;
@@ -335,7 +335,7 @@ class CPDFSDK_InterForm : public CPDF_FormNotify {
   using CPDFSDK_WidgetMap = std::map<CPDF_FormControl*, CPDFSDK_Widget*>;
 
   CPDFSDK_Document* m_pDocument;
-  CPDF_InterForm* m_pInterForm;
+  std::unique_ptr<CPDF_InterForm> m_pInterForm;
   CPDFSDK_WidgetMap m_Map;
 #ifdef PDF_ENABLE_XFA
   std::map<CXFA_FFWidget*, CPDFSDK_XFAWidget*> m_XFAMap;