Make CPDFXFA_App / IXFA_AppProvider saner

fpdfsdk/src/fpdfformfill.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 "../../public/fpdf_formfill.h"
 #include "../../public/fpdfview.h"
 #include "../include/fsdk_define.h"
 #include "../include/fpdfxfa/fpdfxfa_doc.h"
@@ skipping 78 matching lines @@
 {
         if(!document || !formInfo || formInfo->version!=2)
                 return NULL;
         CPDFXFA_Document * pDocument = (CPDFXFA_Document*) document;
         CPDFDoc_Environment * pEnv = NULL;
         pEnv = new CPDFDoc_Environment(pDocument);
         if (!pEnv)
                 return NULL;
         pEnv->RegAppHandle(formInfo);
 
-        CPDFXFA_App* pApp = FPDFXFA_GetApp();
+        CPDFXFA_App* pApp = CPDFXFA_App::GetInstance();
         pApp->AddFormFillEnv(pEnv);
 
         if(pEnv->GetPDFXFADocument())
         {
                 //CPDFSDK_Document* pSDKDoc = new CPDFSDK_Document(pEnv->GetPDFXFADocument(), pEnv);
                 CPDFSDK_Document* pSDKDoc = pDocument->GetSDKDocument(pEnv);
                 if(pSDKDoc) {
                         pEnv->SetCurrentDoc(pSDKDoc);
                 }
         }
         return pEnv;
 }
 
 DLLEXPORT void STDCALL FPDFDOC_ExitFormFillEnvironment(FPDF_FORMHANDLE hHandle)
 {
         if (!hHandle)
-                return; 
-        //CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
-        //if(pSDKDoc)
-        //{
-                //((CPDFDoc_Environment*)hHandle)->SetCurrentDoc(NULL);
-                //CPDFXFA_Document* pDoc = ((CPDFDoc_Environment*)hHandle)->GetPDFXFADocument();
-                //if (pDoc)
-                //      pDoc->ReleaseSDKDoc();
-        //}
-        CPDFXFA_App* pApp = FPDFXFA_GetApp();
+                return;
+        CPDFXFA_App* pApp = CPDFXFA_App::GetInstance();
         pApp->RemoveFormFillEnv((CPDFDoc_Environment*)hHandle);
         delete (CPDFDoc_Environment*)hHandle;
         hHandle = NULL;
 }
 
 DLLEXPORT FPDF_BOOL STDCALL FORM_OnMouseMove(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int modifier, double page_x, double page_y)
 {       
         if (!hHandle || !page)
                 return FALSE;
 //      CPDF_Page * pPage = (CPDF_Page*) page;
@@ skipping 208 matching lines @@
         {
                 delete pDevice;
                 pDevice = NULL;
         }
 
 }
 DLLEXPORT void STDCALL FPDF_Widget_Undo(FPDF_DOCUMENT document, FPDF_WIDGET hWidget)
 {
         if (NULL == hWidget || NULL == document)
                 return;
-        
-        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;      
 
+        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;
         if (pDocument->GetDocType() != XFA_DOCTYPE_Dynamic && pDocument->GetDocType() != XFA_DOCTYPE_Static)
                 return;
 
-        IXFA_MenuHandler* pXFAMenuHander = FPDFXFA_GetApp()->GetXFAApp()->GetMenuHandler();
-
+        IXFA_MenuHandler* pXFAMenuHander = CPDFXFA_App::GetInstance()->GetXFAApp()->GetMenuHandler();
         if (pXFAMenuHander == NULL)
                 return;
 
         pXFAMenuHander->Undo((XFA_HWIDGET)hWidget);
 
 }
 DLLEXPORT void STDCALL FPDF_Widget_Redo(FPDF_DOCUMENT document, FPDF_WIDGET hWidget)
 {
         if (NULL == hWidget || NULL == document)
                 return;
-        
-        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;      
+
+        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;
         if (pDocument->GetDocType() != XFA_DOCTYPE_Dynamic && pDocument->GetDocType() != XFA_DOCTYPE_Static)
                 return;
 
-        IXFA_MenuHandler* pXFAMenuHander = FPDFXFA_GetApp()->GetXFAApp()->GetMenuHandler();
-
+        IXFA_MenuHandler* pXFAMenuHander = CPDFXFA_App::GetInstance()->GetXFAApp()->GetMenuHandler();
         if (pXFAMenuHander == NULL)
                 return;
 
         pXFAMenuHander->Redo((XFA_HWIDGET)hWidget);
 }
 
 DLLEXPORT void STDCALL FPDF_Widget_SelectAll(FPDF_DOCUMENT document, FPDF_WIDGET hWidget)
 {
         if (NULL == hWidget || NULL == document)
                 return;
-        
-        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;      
+
+        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;
         if (pDocument->GetDocType() != XFA_DOCTYPE_Dynamic && pDocument->GetDocType() != XFA_DOCTYPE_Static)
                 return;
 
-        IXFA_MenuHandler* pXFAMenuHander = FPDFXFA_GetApp()->GetXFAApp()->GetMenuHandler();
-
+        IXFA_MenuHandler* pXFAMenuHander = CPDFXFA_App::GetInstance()->GetXFAApp()->GetMenuHandler();
         if (pXFAMenuHander == NULL)
                 return;
 
         pXFAMenuHander->SelectAll((XFA_HWIDGET)hWidget);
 }
 DLLEXPORT void STDCALL FPDF_Widget_Copy(FPDF_DOCUMENT document, FPDF_WIDGET hWidget, FPDF_WIDESTRING wsText, FPDF_DWORD* size)
 {
         if (NULL == hWidget || NULL == document)
                 return;
-        
-        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;      
+
+        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;
         if (pDocument->GetDocType() != XFA_DOCTYPE_Dynamic && pDocument->GetDocType() != XFA_DOCTYPE_Static)
                 return;
 
-        IXFA_MenuHandler* pXFAMenuHander = FPDFXFA_GetApp()->GetXFAApp()->GetMenuHandler();
-
+        IXFA_MenuHandler* pXFAMenuHander = CPDFXFA_App::GetInstance()->GetXFAApp()->GetMenuHandler();
         if (pXFAMenuHander == NULL)
                 return;
 
         CFX_WideString wsCpText;
         pXFAMenuHander->Copy((XFA_HWIDGET)hWidget, wsCpText);
 
         CFX_ByteString bsCpText = wsCpText.UTF16LE_Encode();
-
         int len = bsCpText.GetLength()/sizeof(unsigned short);
-        
         if (wsText == NULL) {
                 *size = len;
                 return;
         }
 
         int real_size = len < *size ? len : *size;
         if (real_size > 0)
         {
                 FXSYS_memcpy((void*)wsText,bsCpText.GetBuffer(real_size*sizeof(unsigned short)),real_size*sizeof(unsigned short));
                 bsCpText.ReleaseBuffer(real_size*sizeof(unsigned short));
         }
         *size = real_size;
 }
 DLLEXPORT void STDCALL FPDF_Widget_Cut(FPDF_DOCUMENT document, FPDF_WIDGET hWidget, FPDF_WIDESTRING wsText, FPDF_DWORD* size)
 {
         if (NULL == hWidget || NULL == document)
                 return;
-        
-        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;      
+        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;
         if (pDocument->GetDocType() != XFA_DOCTYPE_Dynamic && pDocument->GetDocType() != XFA_DOCTYPE_Static)
                 return;
 
-        IXFA_MenuHandler* pXFAMenuHander = FPDFXFA_GetApp()->GetXFAApp()->GetMenuHandler();
-
+        IXFA_MenuHandler* pXFAMenuHander = CPDFXFA_App::GetInstance()->GetXFAApp()->GetMenuHandler();
         if (pXFAMenuHander == NULL)
                 return;
 
         CFX_WideString wsCpText;
         pXFAMenuHander->Cut((XFA_HWIDGET)hWidget, wsCpText);
 
         CFX_ByteString bsCpText = wsCpText.UTF16LE_Encode();
-
         int len = bsCpText.GetLength()/sizeof(unsigned short);
-        
         if (wsText == NULL) {
                 *size = len;
                 return;
         }
 
         int real_size = len < *size ? len : *size;
         if (real_size > 0)
         {
                 FXSYS_memcpy((void*)wsText,bsCpText.GetBuffer(real_size*sizeof(unsigned short)),real_size*sizeof(unsigned short));
                 bsCpText.ReleaseBuffer(real_size*sizeof(unsigned short));
         }
         *size = real_size;
 }
 DLLEXPORT void STDCALL FPDF_Widget_Paste(FPDF_DOCUMENT document, FPDF_WIDGET hWidget, FPDF_WIDESTRING wsText, FPDF_DWORD size)
 {
         if (NULL == hWidget || NULL == document)
                 return;
-        
-        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;      
+
+        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;
         if (pDocument->GetDocType() != XFA_DOCTYPE_Dynamic && pDocument->GetDocType() != XFA_DOCTYPE_Static)
                 return;
 
-        IXFA_MenuHandler* pXFAMenuHander = FPDFXFA_GetApp()->GetXFAApp()->GetMenuHandler();
-
+        IXFA_MenuHandler* pXFAMenuHander = CPDFXFA_App::GetInstance()->GetXFAApp()->GetMenuHandler();
         if (pXFAMenuHander == NULL)
                 return;
 
         CFX_WideString wstr = CFX_WideString::FromUTF16LE(wsText, size);
-
         pXFAMenuHander->Paste((XFA_HWIDGET)hWidget, wstr);
 
 }
 DLLEXPORT void STDCALL FPDF_Widget_ReplaceSpellCheckWord(FPDF_DOCUMENT document, FPDF_WIDGET hWidget, float x, float y, FPDF_BYTESTRING bsText)
 {
         if (NULL == hWidget || NULL == document)
                 return;
-        
-        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;      
+
+        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;
         if (pDocument->GetDocType() != XFA_DOCTYPE_Dynamic && pDocument->GetDocType() != XFA_DOCTYPE_Static)
                 return;
 
-        IXFA_MenuHandler* pXFAMenuHander = FPDFXFA_GetApp()->GetXFAApp()->GetMenuHandler();
-
+        IXFA_MenuHandler* pXFAMenuHander = CPDFXFA_App::GetInstance()->GetXFAApp()->GetMenuHandler();
         if (pXFAMenuHander == NULL)
                 return;
 
         CFX_PointF ptPopup;
         ptPopup.x = x;
         ptPopup.y = y;
-        CFX_ByteStringC bs(bsText); 
+        CFX_ByteStringC bs(bsText);
         pXFAMenuHander->ReplaceSpellCheckWord((XFA_HWIDGET)hWidget,ptPopup,bs);
 
 }
 DLLEXPORT void STDCALL FPDF_Widget_GetSpellCheckWords(FPDF_DOCUMENT document, FPDF_WIDGET hWidget, float x, float y, FPDF_STRINGHANDLE* stringHandle)
 {
         if (NULL == hWidget || NULL == document)
                 return;
-        
-        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;      
+
+        CPDFXFA_Document* pDocument = (CPDFXFA_Document*)document;
         if (pDocument->GetDocType() != XFA_DOCTYPE_Dynamic && pDocument->GetDocType() != XFA_DOCTYPE_Static)
                 return;
 
-        IXFA_MenuHandler* pXFAMenuHander = FPDFXFA_GetApp()->GetXFAApp()->GetMenuHandler();
-
+        IXFA_MenuHandler* pXFAMenuHander = CPDFXFA_App::GetInstance()->GetXFAApp()->GetMenuHandler();
         if (pXFAMenuHander == NULL)
                 return;
 
         CFX_ByteStringArray* sSuggestWords = FX_NEW CFX_ByteStringArray;
         CFX_PointF ptPopup;
         ptPopup.x = x;
         ptPopup.y = y;
         pXFAMenuHander->GetSuggestWords((XFA_HWIDGET)hWidget, ptPopup, *sSuggestWords);
         *stringHandle = (FPDF_STRINGHANDLE)sSuggestWords;
 }
@@ skipping 200 matching lines @@
                         if (bExistCAAction)
                         {
                                 CPDF_Action action = aa.GetAction(CPDF_AAction::ClosePage);
                                 pActionHandler->DoAction_Page(action, CPDF_AAction::ClosePage, pSDKDoc);
                         }
                 }
         }
 }