blob: 3ac705c8b29345bd8c792b5c24284628452aa891 [file] [log] [blame]
// 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/fxfa/cxfa_ffdocview.h"
#include "core/fxcrt/fx_extension.h"
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
#include "xfa/fxfa/cxfa_ffapp.h"
#include "xfa/fxfa/cxfa_ffbarcode.h"
#include "xfa/fxfa/cxfa_ffcheckbutton.h"
#include "xfa/fxfa/cxfa_ffdoc.h"
#include "xfa/fxfa/cxfa_ffdraw.h"
#include "xfa/fxfa/cxfa_ffexclgroup.h"
#include "xfa/fxfa/cxfa_fffield.h"
#include "xfa/fxfa/cxfa_ffimage.h"
#include "xfa/fxfa/cxfa_ffimageedit.h"
#include "xfa/fxfa/cxfa_ffpageview.h"
#include "xfa/fxfa/cxfa_ffpushbutton.h"
#include "xfa/fxfa/cxfa_ffsignature.h"
#include "xfa/fxfa/cxfa_ffsubform.h"
#include "xfa/fxfa/cxfa_fftext.h"
#include "xfa/fxfa/cxfa_ffwidget.h"
#include "xfa/fxfa/cxfa_ffwidgethandler.h"
#include "xfa/fxfa/cxfa_fwladapterwidgetmgr.h"
#include "xfa/fxfa/cxfa_textprovider.h"
#include "xfa/fxfa/cxfa_widgetacciterator.h"
#include "xfa/fxfa/parser/cxfa_binditems.h"
#include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
#define XFA_CalcRefCount (void*)(uintptr_t) FXBSTR_ID('X', 'F', 'A', 'R')
const XFA_ATTRIBUTEENUM gs_EventActivity[] = {
XFA_ATTRIBUTEENUM_Click, XFA_ATTRIBUTEENUM_Change,
XFA_ATTRIBUTEENUM_DocClose, XFA_ATTRIBUTEENUM_DocReady,
XFA_ATTRIBUTEENUM_Enter, XFA_ATTRIBUTEENUM_Exit,
XFA_ATTRIBUTEENUM_Full, XFA_ATTRIBUTEENUM_IndexChange,
XFA_ATTRIBUTEENUM_Initialize, XFA_ATTRIBUTEENUM_MouseDown,
XFA_ATTRIBUTEENUM_MouseEnter, XFA_ATTRIBUTEENUM_MouseExit,
XFA_ATTRIBUTEENUM_MouseUp, XFA_ATTRIBUTEENUM_PostExecute,
XFA_ATTRIBUTEENUM_PostOpen, XFA_ATTRIBUTEENUM_PostPrint,
XFA_ATTRIBUTEENUM_PostSave, XFA_ATTRIBUTEENUM_PostSign,
XFA_ATTRIBUTEENUM_PostSubmit, XFA_ATTRIBUTEENUM_PreExecute,
XFA_ATTRIBUTEENUM_PreOpen, XFA_ATTRIBUTEENUM_PrePrint,
XFA_ATTRIBUTEENUM_PreSave, XFA_ATTRIBUTEENUM_PreSign,
XFA_ATTRIBUTEENUM_PreSubmit, XFA_ATTRIBUTEENUM_Ready,
XFA_ATTRIBUTEENUM_Unknown,
};
CXFA_FFDocView::CXFA_FFDocView(CXFA_FFDoc* pDoc)
: m_bLayoutEvent(false),
m_pListFocusWidget(nullptr),
m_bInLayoutStatus(false),
m_pDoc(pDoc),
m_pXFADocLayout(nullptr),
m_iStatus(XFA_DOCVIEW_LAYOUTSTATUS_None),
m_iLock(0) {}
CXFA_FFDocView::~CXFA_FFDocView() {
DestroyDocView();
}
void CXFA_FFDocView::InitLayout(CXFA_Node* pNode) {
RunBindItems();
ExecEventActivityByDeepFirst(pNode, XFA_EVENT_Initialize, false, true,
nullptr);
ExecEventActivityByDeepFirst(pNode, XFA_EVENT_IndexChange, false, true,
nullptr);
}
int32_t CXFA_FFDocView::StartLayout(int32_t iStartPage) {
m_iStatus = XFA_DOCVIEW_LAYOUTSTATUS_Start;
m_pDoc->GetXFADoc()->DoProtoMerge();
m_pDoc->GetXFADoc()->DoDataMerge();
m_pXFADocLayout = GetXFALayout();
int32_t iStatus = m_pXFADocLayout->StartLayout();
if (iStatus < 0) {
return iStatus;
}
CXFA_Node* pRootItem =
ToNode(m_pDoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Form));
if (!pRootItem) {
return iStatus;
}
InitLayout(pRootItem);
InitCalculate(pRootItem);
InitValidate(pRootItem);
ExecEventActivityByDeepFirst(pRootItem, XFA_EVENT_Ready, true, true, nullptr);
m_iStatus = XFA_DOCVIEW_LAYOUTSTATUS_Start;
return iStatus;
}
int32_t CXFA_FFDocView::DoLayout() {
int32_t iStatus = 100;
iStatus = m_pXFADocLayout->DoLayout();
if (iStatus != 100)
return iStatus;
m_iStatus = XFA_DOCVIEW_LAYOUTSTATUS_Doing;
return iStatus;
}
void CXFA_FFDocView::StopLayout() {
CXFA_Node* pRootItem =
ToNode(m_pDoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Form));
if (!pRootItem) {
return;
}
CXFA_Node* pSubformNode = pRootItem->GetChild(0, XFA_Element::Subform);
if (!pSubformNode) {
return;
}
CXFA_Node* pPageSetNode =
pSubformNode->GetFirstChildByClass(XFA_Element::PageSet);
if (!pPageSetNode) {
return;
}
RunCalculateWidgets();
RunValidate();
InitLayout(pPageSetNode);
InitCalculate(pPageSetNode);
InitValidate(pPageSetNode);
ExecEventActivityByDeepFirst(pPageSetNode, XFA_EVENT_Ready, true, true,
nullptr);
ExecEventActivityByDeepFirst(pRootItem, XFA_EVENT_Ready, false, true,
nullptr);
ExecEventActivityByDeepFirst(pRootItem, XFA_EVENT_DocReady, false, true,
nullptr);
RunCalculateWidgets();
RunValidate();
if (RunLayout()) {
ExecEventActivityByDeepFirst(pRootItem, XFA_EVENT_Ready, false, true,
nullptr);
}
m_CalculateAccs.clear();
if (m_pFocusAcc && !m_pFocusWidget)
SetFocusWidgetAcc(m_pFocusAcc.Get());
m_iStatus = XFA_DOCVIEW_LAYOUTSTATUS_End;
}
int32_t CXFA_FFDocView::GetLayoutStatus() {
return m_iStatus;
}
void CXFA_FFDocView::ShowNullTestMsg() {
int32_t iCount = pdfium::CollectionSize<int32_t>(m_arrNullTestMsg);
CXFA_FFApp* pApp = m_pDoc->GetApp();
IXFA_AppProvider* pAppProvider = pApp->GetAppProvider();
if (pAppProvider && iCount) {
int32_t iRemain = iCount > 7 ? iCount - 7 : 0;
iCount -= iRemain;
WideString wsMsg;
for (int32_t i = 0; i < iCount; i++) {
wsMsg += m_arrNullTestMsg[i] + L"\n";
}
if (iRemain > 0) {
WideString wsTemp;
wsTemp.Format(
L"Message limit exceeded. Remaining %d "
L"validation errors not reported.",
iRemain);
wsMsg += L"\n" + wsTemp;
}
pAppProvider->MsgBox(wsMsg, pAppProvider->GetAppTitle(), XFA_MBICON_Status,
XFA_MB_OK);
}
m_arrNullTestMsg.clear();
}
void CXFA_FFDocView::UpdateDocView() {
if (IsUpdateLocked())
return;
LockUpdate();
for (CXFA_Node* pNode : m_NewAddedNodes) {
InitCalculate(pNode);
InitValidate(pNode);
ExecEventActivityByDeepFirst(pNode, XFA_EVENT_Ready, true, true, nullptr);
}
m_NewAddedNodes.clear();
RunSubformIndexChange();
RunCalculateWidgets();
RunValidate();
ShowNullTestMsg();
if (RunLayout() && m_bLayoutEvent)
RunEventLayoutReady();
m_bLayoutEvent = false;
m_CalculateAccs.clear();
RunInvalidate();
UnlockUpdate();
}
int32_t CXFA_FFDocView::CountPageViews() const {
return m_pXFADocLayout ? m_pXFADocLayout->CountPages() : 0;
}
CXFA_FFPageView* CXFA_FFDocView::GetPageView(int32_t nIndex) const {
if (!m_pXFADocLayout)
return nullptr;
return static_cast<CXFA_FFPageView*>(m_pXFADocLayout->GetPage(nIndex));
}
CXFA_LayoutProcessor* CXFA_FFDocView::GetXFALayout() const {
return m_pDoc->GetXFADoc()->GetDocLayout();
}
bool CXFA_FFDocView::ResetSingleWidgetAccData(CXFA_WidgetAcc* pWidgetAcc) {
CXFA_Node* pNode = pWidgetAcc->GetNode();
XFA_Element eType = pNode->GetElementType();
if (eType != XFA_Element::Field && eType != XFA_Element::ExclGroup)
return false;
pWidgetAcc->ResetData();
pWidgetAcc->UpdateUIDisplay();
if (CXFA_Validate validate = pWidgetAcc->GetValidate(false)) {
AddValidateWidget(pWidgetAcc);
validate.GetNode()->SetFlag(XFA_NodeFlag_NeedsInitApp, false);
}
return true;
}
void CXFA_FFDocView::ResetWidgetData(CXFA_WidgetAcc* pWidgetAcc) {
m_bLayoutEvent = true;
bool bChanged = false;
CXFA_Node* pFormNode = nullptr;
if (pWidgetAcc) {
bChanged = ResetSingleWidgetAccData(pWidgetAcc);
pFormNode = pWidgetAcc->GetNode();
} else {
pFormNode = GetRootSubform();
}
if (!pFormNode)
return;
if (pFormNode->GetElementType() != XFA_Element::Field &&
pFormNode->GetElementType() != XFA_Element::ExclGroup) {
CXFA_WidgetAccIterator Iterator(pFormNode);
while (CXFA_WidgetAcc* pAcc = Iterator.MoveToNext()) {
bChanged |= ResetSingleWidgetAccData(pAcc);
if (pAcc->GetNode()->GetElementType() == XFA_Element::ExclGroup) {
Iterator.SkipTree();
}
}
}
if (bChanged) {
m_pDoc->GetDocEnvironment()->SetChangeMark(m_pDoc.Get());
}
}
int32_t CXFA_FFDocView::ProcessWidgetEvent(CXFA_EventParam* pParam,
CXFA_WidgetAcc* pWidgetAcc) {
if (!pParam)
return XFA_EVENTERROR_Error;
if (pParam->m_eType == XFA_EVENT_Validate) {
WideString wsValidateStr(L"preSubmit");
CXFA_Node* pConfigItem =
ToNode(m_pDoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Config));
if (pConfigItem) {
CXFA_Node* pValidateNode = nullptr;
CXFA_Node* pAcrobatNode = pConfigItem->GetChild(0, XFA_Element::Acrobat);
pValidateNode = pAcrobatNode
? pAcrobatNode->GetChild(0, XFA_Element::Validate)
: nullptr;
if (!pValidateNode) {
CXFA_Node* pPresentNode =
pConfigItem->GetChild(0, XFA_Element::Present);
pValidateNode = pPresentNode
? pPresentNode->GetChild(0, XFA_Element::Validate)
: nullptr;
}
if (pValidateNode)
wsValidateStr = pValidateNode->GetContent();
}
if (!wsValidateStr.Contains(L"preSubmit"))
return XFA_EVENTERROR_Success;
}
CXFA_Node* pNode = pWidgetAcc ? pWidgetAcc->GetNode() : nullptr;
if (!pNode) {
CXFA_Node* pRootItem =
ToNode(m_pDoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Form));
if (!pRootItem)
return XFA_EVENTERROR_Error;
pNode = pRootItem->GetChild(0, XFA_Element::Subform);
}
ExecEventActivityByDeepFirst(pNode, pParam->m_eType, pParam->m_bIsFormReady,
true, nullptr);
return XFA_EVENTERROR_Success;
}
CXFA_FFWidgetHandler* CXFA_FFDocView::GetWidgetHandler() {
if (!m_pWidgetHandler)
m_pWidgetHandler = pdfium::MakeUnique<CXFA_FFWidgetHandler>(this);
return m_pWidgetHandler.get();
}
std::unique_ptr<CXFA_WidgetAccIterator>
CXFA_FFDocView::CreateWidgetAccIterator() {
CXFA_Node* pFormRoot = GetRootSubform();
if (!pFormRoot)
return nullptr;
return pdfium::MakeUnique<CXFA_WidgetAccIterator>(pFormRoot);
}
CXFA_FFWidget* CXFA_FFDocView::GetFocusWidget() const {
return m_pFocusWidget.Get();
}
void CXFA_FFDocView::KillFocus() {
if (m_pFocusWidget &&
(m_pFocusWidget->GetStatus() & XFA_WidgetStatus_Focused)) {
m_pFocusWidget->OnKillFocus(nullptr);
}
m_pFocusAcc = nullptr;
m_pFocusWidget = nullptr;
m_pOldFocusWidget = nullptr;
}
bool CXFA_FFDocView::SetFocus(CXFA_FFWidget* hWidget) {
CXFA_FFWidget* pNewFocus = hWidget;
if (m_pOldFocusWidget == pNewFocus)
return false;
CXFA_FFWidget* pOldFocus = m_pOldFocusWidget.Get();
m_pOldFocusWidget = pNewFocus;
if (pOldFocus) {
if (m_pFocusWidget != m_pOldFocusWidget &&
(pOldFocus->GetStatus() & XFA_WidgetStatus_Focused)) {
m_pFocusWidget = pOldFocus;
pOldFocus->OnKillFocus(pNewFocus);
} else if ((pOldFocus->GetStatus() & XFA_WidgetStatus_Visible)) {
if (!pOldFocus->IsLoaded()) {
pOldFocus->LoadWidget();
}
pOldFocus->OnSetFocus(m_pFocusWidget.Get());
m_pFocusWidget = pOldFocus;
pOldFocus->OnKillFocus(pNewFocus);
}
}
if (m_pFocusWidget == m_pOldFocusWidget)
return false;
pNewFocus = m_pOldFocusWidget.Get();
if (m_pListFocusWidget && pNewFocus == m_pListFocusWidget) {
m_pFocusAcc = nullptr;
m_pFocusWidget = nullptr;
m_pListFocusWidget = nullptr;
m_pOldFocusWidget = nullptr;
return false;
}
if (pNewFocus && (pNewFocus->GetStatus() & XFA_WidgetStatus_Visible)) {
if (!pNewFocus->IsLoaded())
pNewFocus->LoadWidget();
pNewFocus->OnSetFocus(m_pFocusWidget.Get());
}
m_pFocusAcc = pNewFocus ? pNewFocus->GetDataAcc() : nullptr;
m_pFocusWidget = pNewFocus;
m_pOldFocusWidget = m_pFocusWidget;
return true;
}
CXFA_WidgetAcc* CXFA_FFDocView::GetFocusWidgetAcc() {
return m_pFocusAcc.Get();
}
void CXFA_FFDocView::SetFocusWidgetAcc(CXFA_WidgetAcc* pWidgetAcc) {
CXFA_FFWidget* pNewFocus =
pWidgetAcc ? pWidgetAcc->GetNextWidget(nullptr) : nullptr;
if (SetFocus(pNewFocus)) {
m_pFocusAcc = pWidgetAcc;
if (m_iStatus == XFA_DOCVIEW_LAYOUTSTATUS_End)
m_pDoc->GetDocEnvironment()->SetFocusWidget(m_pDoc.Get(),
m_pFocusWidget.Get());
}
}
void CXFA_FFDocView::DeleteLayoutItem(CXFA_FFWidget* pWidget) {
if (m_pFocusAcc == pWidget->GetDataAcc()) {
m_pFocusAcc = nullptr;
m_pFocusWidget = nullptr;
m_pOldFocusWidget = nullptr;
}
}
static int32_t XFA_ProcessEvent(CXFA_FFDocView* pDocView,
CXFA_WidgetAcc* pWidgetAcc,
CXFA_EventParam* pParam) {
if (!pParam || pParam->m_eType == XFA_EVENT_Unknown) {
return XFA_EVENTERROR_NotExist;
}
if (!pWidgetAcc || pWidgetAcc->GetElementType() == XFA_Element::Draw) {
return XFA_EVENTERROR_NotExist;
}
switch (pParam->m_eType) {
case XFA_EVENT_Calculate:
return pWidgetAcc->ProcessCalculate();
case XFA_EVENT_Validate:
if (((CXFA_FFDoc*)pDocView->GetDoc())
->GetDocEnvironment()
->IsValidationsEnabled(pDocView->GetDoc())) {
return pWidgetAcc->ProcessValidate(0x01);
}
return XFA_EVENTERROR_Disabled;
case XFA_EVENT_InitCalculate: {
CXFA_Calculate calc = pWidgetAcc->GetCalculate();
if (!calc) {
return XFA_EVENTERROR_NotExist;
}
if (pWidgetAcc->GetNode()->IsUserInteractive())
return XFA_EVENTERROR_Disabled;
CXFA_Script script = calc.GetScript();
return pWidgetAcc->ExecuteScript(script, pParam);
}
default:
break;
}
int32_t iRet =
pWidgetAcc->ProcessEvent(gs_EventActivity[pParam->m_eType], pParam);
return iRet;
}
int32_t CXFA_FFDocView::ExecEventActivityByDeepFirst(CXFA_Node* pFormNode,
XFA_EVENTTYPE eEventType,
bool bIsFormReady,
bool bRecursive,
CXFA_Node* pExclude) {
int32_t iRet = XFA_EVENTERROR_NotExist;
if (pFormNode == pExclude) {
return iRet;
}
XFA_Element elementType = pFormNode->GetElementType();
if (elementType == XFA_Element::Field) {
if (eEventType == XFA_EVENT_IndexChange) {
return iRet;
}
CXFA_WidgetAcc* pWidgetAcc = (CXFA_WidgetAcc*)pFormNode->GetWidgetData();
if (!pWidgetAcc) {
return iRet;
}
CXFA_EventParam eParam;
eParam.m_eType = eEventType;
eParam.m_pTarget = pWidgetAcc;
eParam.m_bIsFormReady = bIsFormReady;
return XFA_ProcessEvent(this, pWidgetAcc, &eParam);
}
if (bRecursive) {
for (CXFA_Node* pNode = pFormNode->GetNodeItem(
XFA_NODEITEM_FirstChild, XFA_ObjectType::ContainerNode);
pNode; pNode = pNode->GetNodeItem(XFA_NODEITEM_NextSibling,
XFA_ObjectType::ContainerNode)) {
elementType = pNode->GetElementType();
if (elementType != XFA_Element::Variables &&
elementType != XFA_Element::Draw) {
iRet |= ExecEventActivityByDeepFirst(pNode, eEventType, bIsFormReady,
bRecursive, pExclude);
}
}
}
CXFA_WidgetAcc* pWidgetAcc = (CXFA_WidgetAcc*)pFormNode->GetWidgetData();
if (!pWidgetAcc) {
return iRet;
}
CXFA_EventParam eParam;
eParam.m_eType = eEventType;
eParam.m_pTarget = pWidgetAcc;
eParam.m_bIsFormReady = bIsFormReady;
iRet |= XFA_ProcessEvent(this, pWidgetAcc, &eParam);
return iRet;
}
CXFA_FFWidget* CXFA_FFDocView::GetWidgetByName(const WideString& wsName,
CXFA_FFWidget* pRefWidget) {
CXFA_WidgetAcc* pRefAcc = pRefWidget ? pRefWidget->GetDataAcc() : nullptr;
CXFA_WidgetAcc* pAcc = GetWidgetAccByName(wsName, pRefAcc);
return pAcc ? pAcc->GetNextWidget(nullptr) : nullptr;
}
CXFA_WidgetAcc* CXFA_FFDocView::GetWidgetAccByName(
const WideString& wsName,
CXFA_WidgetAcc* pRefWidgetAcc) {
WideString wsExpression;
uint32_t dwStyle = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Properties |
XFA_RESOLVENODE_Siblings | XFA_RESOLVENODE_Parent;
CXFA_ScriptContext* pScriptContext = m_pDoc->GetXFADoc()->GetScriptContext();
if (!pScriptContext)
return nullptr;
CXFA_Node* refNode = nullptr;
if (pRefWidgetAcc) {
refNode = pRefWidgetAcc->GetNode();
wsExpression = wsName;
} else {
wsExpression = L"$form." + wsName;
}
XFA_RESOLVENODE_RS resoveNodeRS;
int32_t iRet = pScriptContext->ResolveObjects(
refNode, wsExpression.AsStringView(), resoveNodeRS, dwStyle);
if (iRet < 1)
return nullptr;
if (resoveNodeRS.dwFlags == XFA_RESOVENODE_RSTYPE_Nodes) {
CXFA_Node* pNode = resoveNodeRS.objects.front()->AsNode();
if (pNode)
return static_cast<CXFA_WidgetAcc*>(pNode->GetWidgetData());
}
return nullptr;
}
void CXFA_FFDocView::OnPageEvent(CXFA_ContainerLayoutItem* pSender,
uint32_t dwEvent) {
CXFA_FFPageView* pFFPageView = static_cast<CXFA_FFPageView*>(pSender);
m_pDoc->GetDocEnvironment()->PageViewEvent(pFFPageView, dwEvent);
}
void CXFA_FFDocView::LockUpdate() {
m_iLock++;
}
void CXFA_FFDocView::UnlockUpdate() {
m_iLock--;
}
bool CXFA_FFDocView::IsUpdateLocked() {
return m_iLock > 0;
}
void CXFA_FFDocView::ClearInvalidateList() {
m_mapPageInvalidate.clear();
}
void CXFA_FFDocView::AddInvalidateRect(CXFA_FFWidget* pWidget,
const CFX_RectF& rtInvalidate) {
AddInvalidateRect(pWidget->GetPageView(), rtInvalidate);
}
void CXFA_FFDocView::AddInvalidateRect(CXFA_FFPageView* pPageView,
const CFX_RectF& rtInvalidate) {
if (m_mapPageInvalidate[pPageView]) {
m_mapPageInvalidate[pPageView]->Union(rtInvalidate);
return;
}
m_mapPageInvalidate[pPageView] = pdfium::MakeUnique<CFX_RectF>(rtInvalidate);
}
void CXFA_FFDocView::RunInvalidate() {
for (const auto& pair : m_mapPageInvalidate)
m_pDoc->GetDocEnvironment()->InvalidateRect(pair.first, *pair.second);
m_mapPageInvalidate.clear();
}
bool CXFA_FFDocView::RunLayout() {
LockUpdate();
m_bInLayoutStatus = true;
if (!m_pXFADocLayout->IncrementLayout() &&
m_pXFADocLayout->StartLayout() < 100) {
m_pXFADocLayout->DoLayout();
UnlockUpdate();
m_bInLayoutStatus = false;
m_pDoc->GetDocEnvironment()->PageViewEvent(nullptr,
XFA_PAGEVIEWEVENT_StopLayout);
return true;
}
m_bInLayoutStatus = false;
m_pDoc->GetDocEnvironment()->PageViewEvent(nullptr,
XFA_PAGEVIEWEVENT_StopLayout);
UnlockUpdate();
return false;
}
void CXFA_FFDocView::RunSubformIndexChange() {
for (CXFA_Node* pSubformNode : m_IndexChangedSubforms) {
CXFA_WidgetAcc* pWidgetAcc =
static_cast<CXFA_WidgetAcc*>(pSubformNode->GetWidgetData());
if (!pWidgetAcc)
continue;
CXFA_EventParam eParam;
eParam.m_eType = XFA_EVENT_IndexChange;
eParam.m_pTarget = pWidgetAcc;
pWidgetAcc->ProcessEvent(XFA_ATTRIBUTEENUM_IndexChange, &eParam);
}
m_IndexChangedSubforms.clear();
}
void CXFA_FFDocView::AddNewFormNode(CXFA_Node* pNode) {
m_NewAddedNodes.push_back(pNode);
InitLayout(pNode);
}
void CXFA_FFDocView::AddIndexChangedSubform(CXFA_Node* pNode) {
ASSERT(pNode->GetElementType() == XFA_Element::Subform);
m_IndexChangedSubforms.push_back(pNode);
}
void CXFA_FFDocView::RunDocClose() {
CXFA_Node* pRootItem =
ToNode(m_pDoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Form));
if (!pRootItem) {
return;
}
ExecEventActivityByDeepFirst(pRootItem, XFA_EVENT_DocClose, false, true,
nullptr);
}
void CXFA_FFDocView::DestroyDocView() {
ClearInvalidateList();
m_iStatus = XFA_DOCVIEW_LAYOUTSTATUS_None;
m_iLock = 0;
m_ValidateAccs.clear();
m_BindItems.clear();
m_CalculateAccs.clear();
}
bool CXFA_FFDocView::IsStaticNotify() {
return m_pDoc->GetFormType() == FormType::kXFAForeground;
}
void CXFA_FFDocView::AddCalculateWidgetAcc(CXFA_WidgetAcc* pWidgetAcc) {
CXFA_WidgetAcc* pCurrentAcc =
!m_CalculateAccs.empty() ? m_CalculateAccs.back() : nullptr;
if (pCurrentAcc != pWidgetAcc)
m_CalculateAccs.push_back(pWidgetAcc);
}
void CXFA_FFDocView::AddCalculateNodeNotify(CXFA_Node* pNodeChange) {
auto* pGlobalData =
static_cast<CXFA_CalcData*>(pNodeChange->GetUserData(XFA_CalcData));
if (!pGlobalData)
return;
for (auto* pResultAcc : pGlobalData->m_Globals) {
if (!pResultAcc->GetNode()->HasRemovedChildren())
AddCalculateWidgetAcc(pResultAcc);
}
}
size_t CXFA_FFDocView::RunCalculateRecursive(size_t index) {
while (index < m_CalculateAccs.size()) {
CXFA_WidgetAcc* pCurAcc = m_CalculateAccs[index];
AddCalculateNodeNotify(pCurAcc->GetNode());
int32_t iRefCount =
(int32_t)(uintptr_t)pCurAcc->GetNode()->GetUserData(XFA_CalcRefCount);
iRefCount++;
pCurAcc->GetNode()->SetUserData(XFA_CalcRefCount,
(void*)(uintptr_t)iRefCount);
if (iRefCount > 11)
break;
if (pCurAcc->ProcessCalculate() == XFA_EVENTERROR_Success)
AddValidateWidget(pCurAcc);
index = RunCalculateRecursive(++index);
}
return index;
}
int32_t CXFA_FFDocView::RunCalculateWidgets() {
if (!m_pDoc->GetDocEnvironment()->IsCalculationsEnabled(m_pDoc.Get()))
return XFA_EVENTERROR_Disabled;
if (!m_CalculateAccs.empty())
RunCalculateRecursive(0);
for (CXFA_WidgetAcc* pCurAcc : m_CalculateAccs)
pCurAcc->GetNode()->SetUserData(XFA_CalcRefCount, (void*)(uintptr_t)0);
m_CalculateAccs.clear();
return XFA_EVENTERROR_Success;
}
void CXFA_FFDocView::AddValidateWidget(CXFA_WidgetAcc* pWidget) {
if (!pdfium::ContainsValue(m_ValidateAccs, pWidget))
m_ValidateAccs.push_back(pWidget);
}
bool CXFA_FFDocView::InitCalculate(CXFA_Node* pNode) {
ExecEventActivityByDeepFirst(pNode, XFA_EVENT_InitCalculate, false, true,
nullptr);
return true;
}
bool CXFA_FFDocView::InitValidate(CXFA_Node* pNode) {
if (!m_pDoc->GetDocEnvironment()->IsValidationsEnabled(m_pDoc.Get()))
return false;
ExecEventActivityByDeepFirst(pNode, XFA_EVENT_Validate, false, true, nullptr);
m_ValidateAccs.clear();
return true;
}
bool CXFA_FFDocView::RunValidate() {
if (!m_pDoc->GetDocEnvironment()->IsValidationsEnabled(m_pDoc.Get()))
return false;
for (CXFA_WidgetAcc* pAcc : m_ValidateAccs) {
if (!pAcc->GetNode()->HasRemovedChildren())
pAcc->ProcessValidate();
}
m_ValidateAccs.clear();
return true;
}
bool CXFA_FFDocView::RunEventLayoutReady() {
CXFA_Node* pRootItem =
ToNode(m_pDoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Form));
if (!pRootItem) {
return false;
}
ExecEventActivityByDeepFirst(pRootItem, XFA_EVENT_Ready, false, true,
nullptr);
RunLayout();
return true;
}
void CXFA_FFDocView::RunBindItems() {
for (auto* item : m_BindItems) {
if (item->HasRemovedChildren())
continue;
CXFA_Node* pWidgetNode = item->GetNodeItem(XFA_NODEITEM_Parent);
CXFA_WidgetAcc* pAcc =
static_cast<CXFA_WidgetAcc*>(pWidgetNode->GetWidgetData());
if (!pAcc)
continue;
CXFA_BindItems binditems(item);
CXFA_ScriptContext* pScriptContext =
pWidgetNode->GetDocument()->GetScriptContext();
WideStringView wsRef;
binditems.GetRef(wsRef);
uint32_t dwStyle = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Properties |
XFA_RESOLVENODE_Siblings | XFA_RESOLVENODE_Parent |
XFA_RESOLVENODE_ALL;
XFA_RESOLVENODE_RS rs;
pScriptContext->ResolveObjects(pWidgetNode, wsRef, rs, dwStyle);
pAcc->DeleteItem(-1, false, false);
if (rs.dwFlags != XFA_RESOVENODE_RSTYPE_Nodes || rs.objects.empty())
continue;
WideStringView wsValueRef, wsLabelRef;
binditems.GetValueRef(wsValueRef);
binditems.GetLabelRef(wsLabelRef);
const bool bUseValue = wsLabelRef.IsEmpty() || wsLabelRef == wsValueRef;
const bool bLabelUseContent = wsLabelRef.IsEmpty() || wsLabelRef == L"$";
const bool bValueUseContent = wsValueRef.IsEmpty() || wsValueRef == L"$";
WideString wsValue;
WideString wsLabel;
uint32_t uValueHash = FX_HashCode_GetW(wsValueRef, false);
for (CXFA_Object* refObject : rs.objects) {
CXFA_Node* refNode = refObject->AsNode();
if (!refNode)
continue;
if (bValueUseContent) {
wsValue = refNode->GetContent();
} else {
CXFA_Node* nodeValue = refNode->GetFirstChildByName(uValueHash);
wsValue = nodeValue ? nodeValue->GetContent() : refNode->GetContent();
}
if (!bUseValue) {
if (bLabelUseContent) {
wsLabel = refNode->GetContent();
} else {
CXFA_Node* nodeLabel = refNode->GetFirstChildByName(wsLabelRef);
if (nodeLabel)
wsLabel = nodeLabel->GetContent();
}
} else {
wsLabel = wsValue;
}
pAcc->InsertItem(wsLabel, wsValue, false);
}
}
m_BindItems.clear();
}
void CXFA_FFDocView::SetChangeMark() {
if (m_iStatus < XFA_DOCVIEW_LAYOUTSTATUS_End)
return;
m_pDoc->GetDocEnvironment()->SetChangeMark(m_pDoc.Get());
}
CXFA_Node* CXFA_FFDocView::GetRootSubform() {
CXFA_Node* pFormPacketNode =
ToNode(m_pDoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Form));
if (!pFormPacketNode)
return nullptr;
return pFormPacketNode->GetFirstChildByClass(XFA_Element::Subform);
}