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// 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 "fpdfsdk/fpdfxfa/cpdfxfa_document.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
#include "fpdfsdk/cpdfsdk_interform.h"
#include "fpdfsdk/cpdfsdk_pageview.h"
#include "fpdfsdk/fpdfxfa/cpdfxfa_app.h"
#include "fpdfsdk/fpdfxfa/cpdfxfa_page.h"
#include "fpdfsdk/fpdfxfa/cxfa_fwladaptertimermgr.h"
#include "fpdfsdk/fsdk_define.h"
#include "fpdfsdk/javascript/ijs_runtime.h"
#include "public/fpdf_formfill.h"
#include "xfa/fxfa/cxfa_eventparam.h"
#include "xfa/fxfa/xfa_ffapp.h"
#include "xfa/fxfa/xfa_ffdoc.h"
#include "xfa/fxfa/xfa_ffdocview.h"
#include "xfa/fxfa/xfa_ffpageview.h"
#include "xfa/fxfa/xfa_ffwidgethandler.h"
#ifndef _WIN32
extern void SetLastError(int err);
extern int GetLastError();
#endif
CPDFXFA_Document::CPDFXFA_Document(std::unique_ptr<CPDF_Document> pPDFDoc,
CPDFXFA_App* pProvider)
: m_iDocType(DOCTYPE_PDF),
m_pPDFDoc(std::move(pPDFDoc)),
m_pFormFillEnv(nullptr),
m_pXFADocView(nullptr),
m_pApp(pProvider),
m_nLoadStatus(FXFA_LOADSTATUS_PRELOAD),
m_nPageCount(0),
m_DocEnv(this) {}
CPDFXFA_Document::~CPDFXFA_Document() {
m_nLoadStatus = FXFA_LOADSTATUS_CLOSING;
if (m_pFormFillEnv) {
m_pFormFillEnv->ClearAllFocusedAnnots();
// Once we're deleted the FormFillEnvironment will point at a bad underlying
// doc so we need to reset it ...
m_pFormFillEnv->ResetXFADocument();
m_pFormFillEnv = nullptr;
}
if (m_pXFADoc) {
CXFA_FFApp* pApp = m_pApp->GetXFAApp();
if (pApp) {
CXFA_FFDocHandler* pDocHandler = pApp->GetDocHandler();
if (pDocHandler)
CloseXFADoc(pDocHandler);
}
m_pXFADoc.reset();
}
m_nLoadStatus = FXFA_LOADSTATUS_CLOSED;
}
FX_BOOL CPDFXFA_Document::LoadXFADoc() {
m_nLoadStatus = FXFA_LOADSTATUS_LOADING;
if (!m_pPDFDoc)
return FALSE;
m_XFAPageList.RemoveAll();
CXFA_FFApp* pApp = m_pApp->GetXFAApp();
if (!pApp)
return FALSE;
m_pXFADoc.reset(pApp->CreateDoc(&m_DocEnv, m_pPDFDoc.get()));
if (!m_pXFADoc) {
SetLastError(FPDF_ERR_XFALOAD);
return FALSE;
}
CXFA_FFDocHandler* pDocHandler = pApp->GetDocHandler();
if (!pDocHandler) {
SetLastError(FPDF_ERR_XFALOAD);
return FALSE;
}
m_pXFADoc->StartLoad();
int iStatus = m_pXFADoc->DoLoad(nullptr);
if (iStatus != XFA_PARSESTATUS_Done) {
CloseXFADoc(pDocHandler);
SetLastError(FPDF_ERR_XFALOAD);
return FALSE;
}
m_pXFADoc->StopLoad();
m_pXFADoc->GetXFADoc()->InitScriptContext(m_pApp->GetJSERuntime());
if (m_pXFADoc->GetDocType() == XFA_DOCTYPE_Dynamic)
m_iDocType = DOCTYPE_DYNAMIC_XFA;
else
m_iDocType = DOCTYPE_STATIC_XFA;
m_pXFADocView = m_pXFADoc->CreateDocView(XFA_DOCVIEW_View);
if (m_pXFADocView->StartLayout() < 0) {
CloseXFADoc(pDocHandler);
SetLastError(FPDF_ERR_XFALAYOUT);
return FALSE;
}
m_pXFADocView->DoLayout(nullptr);
m_pXFADocView->StopLayout();
m_nLoadStatus = FXFA_LOADSTATUS_LOADED;
return TRUE;
}
int CPDFXFA_Document::GetPageCount() const {
if (!m_pPDFDoc && !m_pXFADoc)
return 0;
switch (m_iDocType) {
case DOCTYPE_PDF:
case DOCTYPE_STATIC_XFA:
if (m_pPDFDoc)
return m_pPDFDoc->GetPageCount();
case DOCTYPE_DYNAMIC_XFA:
if (m_pXFADoc)
return m_pXFADocView->CountPageViews();
default:
return 0;
}
}
CPDFXFA_Page* CPDFXFA_Document::GetXFAPage(int page_index) {
if (page_index < 0)
return nullptr;
CPDFXFA_Page* pPage = nullptr;
int nCount = m_XFAPageList.GetSize();
if (nCount > 0 && page_index < nCount) {
pPage = m_XFAPageList.GetAt(page_index);
if (pPage)
pPage->Retain();
} else {
m_nPageCount = GetPageCount();
m_XFAPageList.SetSize(m_nPageCount);
}
if (pPage)
return pPage;
pPage = new CPDFXFA_Page(this, page_index);
if (!pPage->LoadPage()) {
pPage->Release();
return nullptr;
}
m_XFAPageList.SetAt(page_index, pPage);
return pPage;
}
CPDFXFA_Page* CPDFXFA_Document::GetXFAPage(CXFA_FFPageView* pPage) const {
if (!pPage)
return nullptr;
if (!m_pXFADoc)
return nullptr;
if (m_iDocType != DOCTYPE_DYNAMIC_XFA)
return nullptr;
int nSize = m_XFAPageList.GetSize();
for (int i = 0; i < nSize; i++) {
CPDFXFA_Page* pTempPage = m_XFAPageList.GetAt(i);
if (!pTempPage)
continue;
if (pTempPage->GetXFAPageView() && pTempPage->GetXFAPageView() == pPage)
return pTempPage;
}
return nullptr;
}
void CPDFXFA_Document::DeletePage(int page_index) {
// Delete from the document first because, if GetPage was never called for
// this |page_index| then |m_XFAPageList| may have size < |page_index| even
// if it's a valid page in the document.
if (m_pPDFDoc)
m_pPDFDoc->DeletePage(page_index);
if (page_index < 0 || page_index >= m_XFAPageList.GetSize())
return;
if (CPDFXFA_Page* pPage = m_XFAPageList.GetAt(page_index))
pPage->Release();
}
void CPDFXFA_Document::RemovePage(CPDFXFA_Page* page) {
m_XFAPageList.SetAt(page->GetPageIndex(), nullptr);
}
void CPDFXFA_Document::ClearChangeMark() {
if (m_pFormFillEnv)
m_pFormFillEnv->ClearChangeMark();
}
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