XFA: add CPDFDocumentToFPDFDocument()

fpdfsdk/src/fsdk_baseform.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "../../third_party/base/nonstd_unique_ptr.h"
 #include "../include/fsdk_define.h"
 #include "../include/fpdfxfa/fpdfxfa_doc.h"
 #include "../include/fpdfxfa/fpdfxfa_util.h"
@@ skipping 21 matching lines @@
       m_pInterForm(pInterForm),
       m_nAppAge(0),
       m_nValueAge(0),
       m_hMixXFAWidget(NULL),
       m_pWidgetHandler(NULL) {
   ASSERT(m_pInterForm != NULL);
 }
 
 CPDFSDK_Widget::~CPDFSDK_Widget() {}
 
-IXFA_Widget* CPDFSDK_Widget::GetMixXFAWidget() {
-  ASSERT(m_pPageView != NULL);
-
+IXFA_Widget* CPDFSDK_Widget::GetMixXFAWidget() const {
   CPDFSDK_Document* pSDKDoc = m_pPageView->GetSDKDocument();
-  ASSERT(pSDKDoc != NULL);
-
   CPDFXFA_Document* pDoc = pSDKDoc->GetDocument();
-  ASSERT(pDoc != NULL);
-
   if (pDoc->GetDocType() == DOCTYPE_STATIC_XFA) {
     if (!m_hMixXFAWidget) {
       if (IXFA_DocView* pDocView = pDoc->GetXFADocView()) {
         CFX_WideString sName;
         if (this->GetFieldType() == FIELDTYPE_RADIOBUTTON) {
           sName = this->GetAnnotName();
           if (sName.IsEmpty())
             sName = GetName();
         } else
           sName = GetName();
@@ skipping 22 matching lines @@
       CFX_WideString sName = GetName();
 
       if (!sName.IsEmpty())
         return pDocView->GetWidgetByName(sName);
     }
   }
 
   return NULL;
 }
 
-IXFA_WidgetHandler* CPDFSDK_Widget::GetXFAWidgetHandler() {
-  ASSERT(m_pPageView != NULL);
-
+IXFA_WidgetHandler* CPDFSDK_Widget::GetXFAWidgetHandler() const {
   CPDFSDK_Document* pSDKDoc = m_pPageView->GetSDKDocument();
-  ASSERT(pSDKDoc != NULL);
-
   CPDFXFA_Document* pDoc = pSDKDoc->GetDocument();
-  ASSERT(pDoc != NULL);
-
   if (pDoc->GetDocType() == DOCTYPE_STATIC_XFA) {
     if (!m_pWidgetHandler) {
       if (IXFA_DocView* pDocView = pDoc->GetXFADocView()) {
         m_pWidgetHandler = pDocView->GetWidgetHandler();
       }
     }
     return m_pWidgetHandler;
   }
 
   return NULL;
@@ skipping 224 matching lines @@
   CPDFSDK_Document* pSDKDoc = m_pPageView->GetSDKDocument();
   ASSERT(pSDKDoc != NULL);
 
   CPDFXFA_Document* pDoc = pSDKDoc->GetDocument();
   ASSERT(pDoc != NULL);
 
   IXFA_DocView* pXFADocView = pDoc->GetXFADocView();
   if (!pXFADocView)
     return;
 
-  if (IXFA_Widget* hWidget = this->GetMixXFAWidget()) {
-    if (IXFA_WidgetHandler* pXFAWidgetHandler = this->GetXFAWidgetHandler()) {
-      CPDF_FormField* pFormField = GetFormField();
-      ASSERT(pFormField != NULL);
-
-      CPDF_FormControl* pFormCtrl = GetFormControl();
-      ASSERT(pFormCtrl != NULL);
-
-      CPDFSDK_Widget::SynchronizeXFAValue(pXFADocView, hWidget, pFormField,
-                                          pFormCtrl);
+  if (IXFA_Widget* hWidget = GetMixXFAWidget()) {
+    if (GetXFAWidgetHandler()) {
+      CPDFSDK_Widget::SynchronizeXFAValue(pXFADocView, hWidget, GetFormField(),
+                                          GetFormControl());
     }
   }
 #endif  // PDF_ENABLE_XFA
 }
 
 void CPDFSDK_Widget::SynchronizeXFAItems() {
 #ifdef PDF_ENABLE_XFA
   ASSERT(m_pPageView != NULL);
 
   CPDFSDK_Document* pSDKDoc = m_pPageView->GetSDKDocument();
   ASSERT(pSDKDoc != NULL);
 
   CPDFXFA_Document* pDoc = pSDKDoc->GetDocument();
   ASSERT(pDoc != NULL);
 
   IXFA_DocView* pXFADocView = pDoc->GetXFADocView();
   if (!pXFADocView)
     return;
 
-  if (IXFA_Widget* hWidget = this->GetMixXFAWidget()) {
-    if (IXFA_WidgetHandler* pXFAWidgetHandler = this->GetXFAWidgetHandler()) {
-      CPDF_FormField* pFormField = GetFormField();
-      ASSERT(pFormField != NULL);
-
-      SynchronizeXFAItems(pXFADocView, hWidget, pFormField, NULL);
-    }
+  if (IXFA_Widget* hWidget = GetMixXFAWidget()) {
+    if (GetXFAWidgetHandler())
+      SynchronizeXFAItems(pXFADocView, hWidget, GetFormField(), nullptr);
   }
 #endif  // PDF_ENABLE_XFA
 }
 
 void CPDFSDK_Widget::SynchronizeXFAValue(IXFA_DocView* pXFADocView,
                                          IXFA_Widget* hWidget,
                                          CPDF_FormField* pFormField,
                                          CPDF_FormControl* pFormControl) {
 #ifdef PDF_ENABLE_XFA
   ASSERT(pXFADocView != NULL);
@@ skipping 223 matching lines @@
   return pControl;
 }
 
 int CPDFSDK_Widget::GetRotate() const {
   CPDF_FormControl* pCtrl = GetFormControl();
   ASSERT(pCtrl != NULL);
 
   return pCtrl->GetRotation() % 360;
 }
 
-CFX_WideString CPDFSDK_Widget::GetName() {
-  ASSERT(m_pInterForm != NULL);
-
+CFX_WideString CPDFSDK_Widget::GetName() const {
   CPDF_FormField* pFormField = GetFormField();
-  ASSERT(pFormField != NULL);
-
   return pFormField->GetFullName();
 }
 
 FX_BOOL CPDFSDK_Widget::GetFillColor(FX_COLORREF& color) const {
   CPDF_FormControl* pFormCtrl = GetFormControl();
   ASSERT(pFormCtrl != NULL);
 
   int iColorType = 0;
   color = FX_ARGBTOCOLORREF(pFormCtrl->GetBackgroundColor(iColorType));
 
@@ skipping 32 matching lines @@
   ASSERT(pFormCtrl != NULL);
 
   CPDF_DefaultAppearance pDa = pFormCtrl->GetDefaultAppearance();
   CFX_ByteString csFont = "";
   FX_FLOAT fFontSize = 0.0f;
   pDa.GetFont(csFont, fFontSize);
 
   return fFontSize;
 }
 
-int CPDFSDK_Widget::GetSelectedIndex(int nIndex) {
+int CPDFSDK_Widget::GetSelectedIndex(int nIndex) const {
 #ifdef PDF_ENABLE_XFA
   if (IXFA_Widget* hWidget = this->GetMixXFAWidget()) {
     if (IXFA_WidgetHandler* pXFAWidgetHandler = this->GetXFAWidgetHandler()) {
       if (CXFA_WidgetAcc* pWidgetAcc = pXFAWidgetHandler->GetDataAcc(hWidget)) {
         if (nIndex < pWidgetAcc->CountSelectedItems())
           return pWidgetAcc->GetSelectedItem(nIndex);
       }
     }
   }
 #endif  // PDF_ENABLE_XFA
 
   CPDF_FormField* pFormField = GetFormField();
   return pFormField->GetSelectedIndex(nIndex);
 }
 
-CFX_WideString CPDFSDK_Widget::GetValue(FX_BOOL bDisplay) {
+CFX_WideString CPDFSDK_Widget::GetValue(FX_BOOL bDisplay) const {
 #ifdef PDF_ENABLE_XFA
   if (IXFA_Widget* hWidget = this->GetMixXFAWidget()) {
     if (IXFA_WidgetHandler* pXFAWidgetHandler = this->GetXFAWidgetHandler()) {
       if (CXFA_WidgetAcc* pWidgetAcc = pXFAWidgetHandler->GetDataAcc(hWidget)) {
         CFX_WideString sValue;
         pWidgetAcc->GetValue(sValue, bDisplay ? XFA_VALUEPICTURE_Display
                                               : XFA_VALUEPICTURE_Edit);
         return sValue;
       }
     }
@@ skipping 18 matching lines @@
   return pFormField->GetOptionLabel(nIndex);
 }
 
 int CPDFSDK_Widget::CountOptions() const {
   CPDF_FormField* pFormField = GetFormField();
   ASSERT(pFormField != NULL);
 
   return pFormField->CountOptions();
 }
 
-FX_BOOL CPDFSDK_Widget::IsOptionSelected(int nIndex) {
+FX_BOOL CPDFSDK_Widget::IsOptionSelected(int nIndex) const {
 #ifdef PDF_ENABLE_XFA
   if (IXFA_Widget* hWidget = this->GetMixXFAWidget()) {
     if (IXFA_WidgetHandler* pXFAWidgetHandler = this->GetXFAWidgetHandler()) {
       if (CXFA_WidgetAcc* pWidgetAcc = pXFAWidgetHandler->GetDataAcc(hWidget)) {
         if (nIndex > -1 && nIndex < pWidgetAcc->CountChoiceListItems())
           return pWidgetAcc->GetItemState(nIndex);
 
         return FALSE;
       }
     }
   }
 #endif  // PDF_ENABLE_XFA
 
   CPDF_FormField* pFormField = GetFormField();
   return pFormField->IsItemSelected(nIndex);
 }
 
 int CPDFSDK_Widget::GetTopVisibleIndex() const {
   CPDF_FormField* pFormField = GetFormField();
   return pFormField->GetTopVisibleIndex();
 }
 
-FX_BOOL CPDFSDK_Widget::IsChecked() {
+FX_BOOL CPDFSDK_Widget::IsChecked() const {
 #ifdef PDF_ENABLE_XFA
   if (IXFA_WidgetHandler* pXFAWidgetHandler = this->GetXFAWidgetHandler()) {
     if (IXFA_Widget* hWidget = this->GetMixXFAWidget()) {
       if (CXFA_WidgetAcc* pWidgetAcc = pXFAWidgetHandler->GetDataAcc(hWidget)) {
         FX_BOOL bChecked = pWidgetAcc->GetCheckState() == XFA_CHECKSTATE_On;
         return bChecked;
       }
     }
   }
 #endif  // PDF_ENABLE_XFA
@@ skipping 2580 matching lines @@
   ASSERT(pAnnot != NULL);
 
   CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();
   ASSERT(pPDFAnnot != NULL);
 
   CPDF_Rect rcAnnot;
   pPDFAnnot->GetRect(rcAnnot);
 
   return rcAnnot;
 }