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// Copyright 2014 The PDFium Authors
// 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/fxfa/cxfa_ffdoc.h"
#include <algorithm>
#include <memory>
#include <utility>
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fpdfapi/parser/cpdf_stream.h"
#include "core/fpdfapi/parser/cpdf_stream_acc.h"
#include "core/fpdfdoc/cpdf_nametree.h"
#include "core/fxcrt/cfx_read_only_span_stream.h"
#include "core/fxcrt/check.h"
#include "core/fxcrt/fx_extension.h"
#include "core/fxcrt/xml/cfx_xmldocument.h"
#include "core/fxcrt/xml/cfx_xmlelement.h"
#include "core/fxcrt/xml/cfx_xmlnode.h"
#include "core/fxcrt/xml/cfx_xmlparser.h"
#include "core/fxge/dib/cfx_dibitmap.h"
#include "fxjs/xfa/cjx_object.h"
#include "v8/include/cppgc/allocation.h"
#include "v8/include/cppgc/heap.h"
#include "xfa/fgas/font/cfgas_gefont.h"
#include "xfa/fgas/font/cfgas_pdffontmgr.h"
#include "xfa/fwl/cfwl_notedriver.h"
#include "xfa/fxfa/cxfa_ffapp.h"
#include "xfa/fxfa/cxfa_ffdocview.h"
#include "xfa/fxfa/cxfa_ffnotify.h"
#include "xfa/fxfa/cxfa_ffwidget.h"
#include "xfa/fxfa/cxfa_fontmgr.h"
#include "xfa/fxfa/layout/cxfa_layoutprocessor.h"
#include "xfa/fxfa/parser/cxfa_acrobat.h"
#include "xfa/fxfa/parser/cxfa_acrobat7.h"
#include "xfa/fxfa/parser/cxfa_dataexporter.h"
#include "xfa/fxfa/parser/cxfa_document.h"
#include "xfa/fxfa/parser/cxfa_document_builder.h"
#include "xfa/fxfa/parser/cxfa_dynamicrender.h"
#include "xfa/fxfa/parser/cxfa_node.h"
FX_IMAGEDIB_AND_DPI::FX_IMAGEDIB_AND_DPI() = default;
FX_IMAGEDIB_AND_DPI::FX_IMAGEDIB_AND_DPI(const FX_IMAGEDIB_AND_DPI& that) =
default;
FX_IMAGEDIB_AND_DPI::FX_IMAGEDIB_AND_DPI(const RetainPtr<CFX_DIBBase>& pDib,
int32_t xDpi,
int32_t yDpi)
: pDibSource(pDib), iImageXDpi(xDpi), iImageYDpi(yDpi) {}
FX_IMAGEDIB_AND_DPI::~FX_IMAGEDIB_AND_DPI() = default;
CXFA_FFDoc::CXFA_FFDoc(CXFA_FFApp* pApp,
CallbackIface* pDocEnvironment,
CPDF_Document* pPDFDoc,
cppgc::Heap* pHeap)
: m_pDocEnvironment(pDocEnvironment),
m_pPDFDoc(pPDFDoc),
m_pHeap(pHeap),
m_pApp(pApp),
m_pNotify(cppgc::MakeGarbageCollected<CXFA_FFNotify>(
pHeap->GetAllocationHandle(),
this)),
m_pDocument(cppgc::MakeGarbageCollected<CXFA_Document>(
pHeap->GetAllocationHandle(),
m_pNotify,
pHeap,
cppgc::MakeGarbageCollected<CXFA_LayoutProcessor>(
pHeap->GetAllocationHandle(),
pHeap))) {}
CXFA_FFDoc::~CXFA_FFDoc() = default;
void CXFA_FFDoc::PreFinalize() {
if (m_DocView)
m_DocView->RunDocClose();
if (m_pDocument)
m_pDocument->ClearLayoutData();
}
void CXFA_FFDoc::Trace(cppgc::Visitor* visitor) const {
visitor->Trace(m_pApp);
visitor->Trace(m_pNotify);
visitor->Trace(m_pDocument);
visitor->Trace(m_DocView);
}
bool CXFA_FFDoc::BuildDoc(CFX_XMLDocument* pXML) {
DCHECK(pXML);
CXFA_DocumentBuilder builder(m_pDocument);
if (!builder.BuildDocument(pXML, XFA_PacketType::Xdp))
return false;
m_pDocument->SetRoot(builder.GetRootNode());
return true;
}
CXFA_FFDocView* CXFA_FFDoc::CreateDocView() {
if (!m_DocView) {
m_DocView = cppgc::MakeGarbageCollected<CXFA_FFDocView>(
m_pHeap->GetAllocationHandle(), this);
}
return m_DocView;
}
void CXFA_FFDoc::SetChangeMark() {
m_pDocEnvironment->SetChangeMark(this);
}
void CXFA_FFDoc::InvalidateRect(CXFA_FFPageView* pPageView,
const CFX_RectF& rt) {
m_pDocEnvironment->InvalidateRect(pPageView, rt);
}
void CXFA_FFDoc::DisplayCaret(CXFA_FFWidget* hWidget,
bool bVisible,
const CFX_RectF* pRtAnchor) {
return m_pDocEnvironment->DisplayCaret(hWidget, bVisible, pRtAnchor);
}
bool CXFA_FFDoc::GetPopupPos(CXFA_FFWidget* hWidget,
float fMinPopup,
float fMaxPopup,
const CFX_RectF& rtAnchor,
CFX_RectF* pPopupRect) const {
return m_pDocEnvironment->GetPopupPos(hWidget, fMinPopup, fMaxPopup, rtAnchor,
pPopupRect);
}
bool CXFA_FFDoc::PopupMenu(CXFA_FFWidget* hWidget, const CFX_PointF& ptPopup) {
return m_pDocEnvironment->PopupMenu(hWidget, ptPopup);
}
void CXFA_FFDoc::OnPageViewEvent(CXFA_FFPageView* pPageView,
PageViewEvent eEvent) {
m_pDocEnvironment->OnPageViewEvent(pPageView, eEvent);
}
void CXFA_FFDoc::WidgetPostAdd(CXFA_FFWidget* hWidget) {
m_pDocEnvironment->WidgetPostAdd(hWidget);
}
void CXFA_FFDoc::WidgetPreRemove(CXFA_FFWidget* hWidget) {
m_pDocEnvironment->WidgetPreRemove(hWidget);
}
int32_t CXFA_FFDoc::CountPages() const {
return m_pDocEnvironment->CountPages(this);
}
int32_t CXFA_FFDoc::GetCurrentPage() const {
return m_pDocEnvironment->GetCurrentPage(this);
}
void CXFA_FFDoc::SetCurrentPage(int32_t iCurPage) {
m_pDocEnvironment->SetCurrentPage(this, iCurPage);
}
bool CXFA_FFDoc::IsCalculationsEnabled() const {
return m_pDocEnvironment->IsCalculationsEnabled(this);
}
void CXFA_FFDoc::SetCalculationsEnabled(bool bEnabled) {
return m_pDocEnvironment->SetCalculationsEnabled(this, bEnabled);
}
WideString CXFA_FFDoc::GetTitle() const {
return m_pDocEnvironment->GetTitle(this);
}
void CXFA_FFDoc::SetTitle(const WideString& wsTitle) {
m_pDocEnvironment->SetTitle(this, wsTitle);
}
void CXFA_FFDoc::ExportData(const WideString& wsFilePath, bool bXDP) {
m_pDocEnvironment->ExportData(this, wsFilePath, bXDP);
}
void CXFA_FFDoc::GotoURL(const WideString& bsURL) {
m_pDocEnvironment->GotoURL(this, bsURL);
}
bool CXFA_FFDoc::IsValidationsEnabled() const {
return m_pDocEnvironment->IsValidationsEnabled(this);
}
void CXFA_FFDoc::SetValidationsEnabled(bool bEnabled) {
m_pDocEnvironment->SetValidationsEnabled(this, bEnabled);
}
void CXFA_FFDoc::SetFocusWidget(CXFA_FFWidget* hWidget) {
m_pDocEnvironment->SetFocusWidget(this, hWidget);
}
void CXFA_FFDoc::Print(int32_t nStartPage,
int32_t nEndPage,
Mask<XFA_PrintOpt> dwOptions) {
m_pDocEnvironment->Print(this, nStartPage, nEndPage, dwOptions);
}
FX_ARGB CXFA_FFDoc::GetHighlightColor() const {
return m_pDocEnvironment->GetHighlightColor(this);
}
IJS_Runtime* CXFA_FFDoc::GetIJSRuntime() const {
return m_pDocEnvironment->GetIJSRuntime(this);
}
CFX_XMLDocument* CXFA_FFDoc::GetXMLDocument() const {
return m_pDocEnvironment->GetXMLDoc();
}
RetainPtr<IFX_SeekableReadStream> CXFA_FFDoc::OpenLinkedFile(
const WideString& wsLink) {
return m_pDocEnvironment->OpenLinkedFile(this, wsLink);
}
CXFA_FFDocView* CXFA_FFDoc::GetDocView(CXFA_LayoutProcessor* pLayout) {
return m_DocView && m_DocView->GetLayoutProcessor() == pLayout ? m_DocView
: nullptr;
}
CXFA_FFDocView* CXFA_FFDoc::GetDocView() {
return m_DocView;
}
bool CXFA_FFDoc::OpenDoc(CFX_XMLDocument* pXML) {
if (!BuildDoc(pXML))
return false;
// At this point we've got an XFA document and we want to always return
// true to signify the load succeeded.
m_pPDFFontMgr = std::make_unique<CFGAS_PDFFontMgr>(GetPDFDoc());
m_FormType = FormType::kXFAForeground;
CXFA_Node* pConfig = ToNode(m_pDocument->GetXFAObject(XFA_HASHCODE_Config));
if (!pConfig)
return true;
CXFA_Acrobat* pAcrobat =
pConfig->GetFirstChildByClass<CXFA_Acrobat>(XFA_Element::Acrobat);
if (!pAcrobat)
return true;
CXFA_Acrobat7* pAcrobat7 =
pAcrobat->GetFirstChildByClass<CXFA_Acrobat7>(XFA_Element::Acrobat7);
if (!pAcrobat7)
return true;
CXFA_DynamicRender* pDynamicRender =
pAcrobat7->GetFirstChildByClass<CXFA_DynamicRender>(
XFA_Element::DynamicRender);
if (!pDynamicRender)
return true;
WideString wsType = pDynamicRender->JSObject()->GetContent(false);
if (wsType.EqualsASCII("required"))
m_FormType = FormType::kXFAFull;
return true;
}
RetainPtr<CFGAS_GEFont> CXFA_FFDoc::GetPDFFont(const WideString& family,
uint32_t styles,
bool strict) {
if (!m_pPDFFontMgr)
return nullptr;
return m_pPDFFontMgr->GetFont(family, styles, strict);
}
RetainPtr<CFX_DIBitmap> CXFA_FFDoc::GetPDFNamedImage(WideStringView wsName,
int32_t& iImageXDpi,
int32_t& iImageYDpi) {
uint32_t dwHash = FX_HashCode_GetW(wsName);
auto it = m_HashToDibDpiMap.find(dwHash);
if (it != m_HashToDibDpiMap.end()) {
iImageXDpi = it->second.iImageXDpi;
iImageYDpi = it->second.iImageYDpi;
return it->second.pDibSource.As<CFX_DIBitmap>();
}
auto name_tree = CPDF_NameTree::Create(m_pPDFDoc, "XFAImages");
size_t count = name_tree ? name_tree->GetCount() : 0;
if (count == 0)
return nullptr;
RetainPtr<const CPDF_Object> pObject =
name_tree->LookupValue(WideString(wsName));
if (!pObject) {
for (size_t i = 0; i < count; ++i) {
WideString wsTemp;
RetainPtr<CPDF_Object> pTempObject =
name_tree->LookupValueAndName(i, &wsTemp);
if (wsTemp == wsName) {
pObject = std::move(pTempObject);
break;
}
}
}
RetainPtr<const CPDF_Stream> pStream = ToStream(pObject);
if (!pStream)
return nullptr;
auto pAcc = pdfium::MakeRetain<CPDF_StreamAcc>(std::move(pStream));
pAcc->LoadAllDataFiltered();
auto pImageFileRead =
pdfium::MakeRetain<CFX_ReadOnlySpanStream>(pAcc->GetSpan());
RetainPtr<CFX_DIBitmap> pDibSource = XFA_LoadImageFromBuffer(
std::move(pImageFileRead), FXCODEC_IMAGE_UNKNOWN, iImageXDpi, iImageYDpi);
m_HashToDibDpiMap[dwHash] = {pDibSource, iImageXDpi, iImageYDpi};
return pDibSource;
}
bool CXFA_FFDoc::SavePackage(CXFA_Node* pNode,
const RetainPtr<IFX_SeekableStream>& pFile) {
DCHECK(pNode || GetXFADoc()->GetRoot());
CXFA_DataExporter exporter;
return exporter.Export(pFile, pNode ? pNode : GetXFADoc()->GetRoot());
}