Cleanup the FF Handler proxy methods.

xfa/fxfa/app/xfa_ffdochandler.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 "xfa/include/fxfa/xfa_ffdochandler.h"
 
 #include "xfa/fxfa/parser/xfa_script.h"
 #include "xfa/fxfa/parser/xfa_script_imp.h"
 #include "xfa/include/fxfa/xfa_checksum.h"
 #include "xfa/include/fxfa/xfa_ffdoc.h"
 
 CXFA_FFDocHandler::CXFA_FFDocHandler() {}
 
 CXFA_FFDocHandler::~CXFA_FFDocHandler() {}
 
-void CXFA_FFDocHandler::ReleaseDoc(CXFA_FFDoc* hDoc) {
-  delete hDoc;  // virtual dtor.
-}
-IXFA_DocProvider* CXFA_FFDocHandler::GetDocProvider(CXFA_FFDoc* hDoc) {
-  return hDoc->GetDocProvider();
-}
-uint32_t CXFA_FFDocHandler::GetDocType(CXFA_FFDoc* hDoc) {
-  return hDoc->GetDocType();
-}
-int32_t CXFA_FFDocHandler::StartLoad(CXFA_FFDoc* hDoc) {
-  return hDoc->StartLoad();
-}
-int32_t CXFA_FFDocHandler::DoLoad(CXFA_FFDoc* hDoc, IFX_Pause* pPause) {
-  return hDoc->DoLoad(pPause);
-}
-void CXFA_FFDocHandler::StopLoad(CXFA_FFDoc* hDoc) {
-  hDoc->StopLoad();
+FXJSE_HVALUE CXFA_FFDocHandler::GetXFAScriptObject(CXFA_FFDoc* hDoc) {
+  CXFA_Document* pXFADoc = hDoc->GetXFADoc();
+  if (!pXFADoc)
+    return nullptr;
+
+  CXFA_ScriptContext* pScriptContext = pXFADoc->GetScriptContext();
+  if (!pScriptContext)
+    return nullptr;
+  return pScriptContext->GetJSValueFromMap(pXFADoc->GetRoot());
 }
 
-CXFA_FFDocView* CXFA_FFDocHandler::CreateDocView(CXFA_FFDoc* hDoc,
-                                                 uint32_t dwView) {
-  return hDoc->CreateDocView(dwView);
-}
-int32_t CXFA_FFDocHandler::CountPackages(CXFA_FFDoc* hDoc) {
-  return 0;
-}
-void CXFA_FFDocHandler::GetPackageName(CXFA_FFDoc* hDoc,
-                                       int32_t iPackage,
-                                       CFX_WideStringC& wsPackage) {}
-CFDE_XMLElement* CXFA_FFDocHandler::GetPackageData(
-    CXFA_FFDoc* hDoc,
-    const CFX_WideStringC& wsPackage) {
-  return hDoc->GetPackageData(wsPackage);
-}
-FX_BOOL CXFA_FFDocHandler::SavePackage(CXFA_FFDoc* hDoc,
-                                       const CFX_WideStringC& wsPackage,
-                                       IFX_FileWrite* pFile,
-                                       CXFA_ChecksumContext* pCSContext) {
-  return hDoc->SavePackage(wsPackage, pFile, pCSContext);
-}
-FX_BOOL CXFA_FFDocHandler::CloseDoc(CXFA_FFDoc* hDoc) {
-  return hDoc->CloseDoc();
+XFA_ATTRIBUTEENUM CXFA_FFDocHandler::GetRestoreState(CXFA_FFDoc* hDoc) {
+  CXFA_Document* pXFADoc = hDoc->GetXFADoc();
+  if (!pXFADoc)
+    return XFA_ATTRIBUTEENUM_Unknown;
+
+  CXFA_Node* pForm = ToNode(pXFADoc->GetXFAObject(XFA_HASHCODE_Form));
+  if (!pForm)
+    return XFA_ATTRIBUTEENUM_Unknown;
+
+  CXFA_Node* pSubForm = pForm->GetFirstChildByClass(XFA_ELEMENT_Subform);
+  if (!pSubForm)
+    return XFA_ATTRIBUTEENUM_Unknown;
+  return pSubForm->GetEnum(XFA_ATTRIBUTE_RestoreState);
 }
 
-FX_BOOL CXFA_FFDocHandler::ImportData(CXFA_FFDoc* hDoc,
-                                      IFX_FileRead* pStream,
-                                      FX_BOOL bXDP) {
-  return hDoc->ImportData(pStream, bXDP);
-}
-void CXFA_FFDocHandler::SetJSERuntime(CXFA_FFDoc* hDoc,
-                                      FXJSE_HRUNTIME hRuntime) {
-  hDoc->GetXFADoc()->InitScriptContext(hRuntime);
-}
-FXJSE_HVALUE CXFA_FFDocHandler::GetXFAScriptObject(CXFA_FFDoc* hDoc) {
-  CXFA_Document* pXFADoc = hDoc->GetXFADoc();
-  if (!pXFADoc) {
-    return NULL;
-  }
-  CXFA_ScriptContext* pScriptContext = pXFADoc->GetScriptContext();
-  if (!pScriptContext) {
-    return NULL;
-  }
-  return pScriptContext->GetJSValueFromMap(pXFADoc->GetRoot());
-}
-XFA_ATTRIBUTEENUM CXFA_FFDocHandler::GetRestoreState(CXFA_FFDoc* hDoc) {
-  CXFA_Document* pXFADoc = hDoc->GetXFADoc();
-  if (!pXFADoc) {
-    return XFA_ATTRIBUTEENUM_Unknown;
-  }
-  CXFA_Node* pForm = ToNode(pXFADoc->GetXFAObject(XFA_HASHCODE_Form));
-  if (!pForm) {
-    return XFA_ATTRIBUTEENUM_Unknown;
-  }
-  CXFA_Node* pSubForm = pForm->GetFirstChildByClass(XFA_ELEMENT_Subform);
-  if (!pSubForm) {
-    return XFA_ATTRIBUTEENUM_Unknown;
-  }
-  return pSubForm->GetEnum(XFA_ATTRIBUTE_RestoreState);
-}
 FX_BOOL CXFA_FFDocHandler::RunDocScript(CXFA_FFDoc* hDoc,
                                         XFA_SCRIPTTYPE eScriptType,
                                         const CFX_WideStringC& wsScript,
                                         FXJSE_HVALUE hRetValue,
                                         FXJSE_HVALUE hThisObject) {
   CXFA_Document* pXFADoc = hDoc->GetXFADoc();
-  if (!pXFADoc) {
+  if (!pXFADoc)
     return FALSE;
-  }
+
   CXFA_ScriptContext* pScriptContext = pXFADoc->GetScriptContext();
-  if (!pScriptContext) {
+  if (!pScriptContext)
     return FALSE;
-  }
+
   return pScriptContext->RunScript(
       (XFA_SCRIPTLANGTYPE)eScriptType, wsScript, hRetValue,
-      hThisObject ? (CXFA_Object*)FXJSE_Value_ToObject(hThisObject, NULL)
-                  : NULL);
+      hThisObject ? (CXFA_Object*)FXJSE_Value_ToObject(hThisObject, nullptr)
+                  : nullptr);
 }