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-rw-r--r--fxjs/cjx_layoutpseudomodel.cpp473
1 files changed, 473 insertions, 0 deletions
diff --git a/fxjs/cjx_layoutpseudomodel.cpp b/fxjs/cjx_layoutpseudomodel.cpp
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+++ b/fxjs/cjx_layoutpseudomodel.cpp
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+// Copyright 2017 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 "fxjs/cjx_layoutpseudomodel.h"
+
+#include <set>
+
+#include "core/fxcrt/fx_coordinates.h"
+#include "fxjs/cfxjse_arguments.h"
+#include "fxjs/cfxjse_engine.h"
+#include "fxjs/cfxjse_value.h"
+#include "xfa/fxfa/cxfa_ffnotify.h"
+#include "xfa/fxfa/parser/cscript_layoutpseudomodel.h"
+#include "xfa/fxfa/parser/cxfa_arraynodelist.h"
+#include "xfa/fxfa/parser/cxfa_containerlayoutitem.h"
+#include "xfa/fxfa/parser/cxfa_document.h"
+#include "xfa/fxfa/parser/cxfa_layoutitem.h"
+#include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
+#include "xfa/fxfa/parser/cxfa_measurement.h"
+#include "xfa/fxfa/parser/cxfa_node.h"
+#include "xfa/fxfa/parser/cxfa_traversestrategy_contentlayoutitem.h"
+#include "xfa/fxfa/parser/xfa_utils.h"
+
+CJX_LayoutPseudoModel::CJX_LayoutPseudoModel(CScript_LayoutPseudoModel* model)
+ : CJX_Object(model) {}
+
+CJX_LayoutPseudoModel::~CJX_LayoutPseudoModel() {}
+
+CScript_LayoutPseudoModel* CJX_LayoutPseudoModel::GetXFALayoutPseudoModel() {
+ return static_cast<CScript_LayoutPseudoModel*>(GetXFAObject());
+}
+
+void CJX_LayoutPseudoModel::Ready(CFXJSE_Value* pValue,
+ bool bSetting,
+ XFA_ATTRIBUTE eAttribute) {
+ CXFA_FFNotify* pNotify =
+ GetXFALayoutPseudoModel()->GetDocument()->GetNotify();
+ if (!pNotify)
+ return;
+ if (bSetting) {
+ ThrowException(L"Unable to set ready value.");
+ return;
+ }
+
+ int32_t iStatus = pNotify->GetLayoutStatus();
+ pValue->SetBoolean(iStatus >= 2);
+}
+
+void CJX_LayoutPseudoModel::HWXY(CFXJSE_Arguments* pArguments,
+ XFA_LAYOUTMODEL_HWXY layoutModel) {
+ int32_t iLength = pArguments->GetLength();
+ if (iLength < 1 || iLength > 3) {
+ const wchar_t* methodName = nullptr;
+ switch (layoutModel) {
+ case XFA_LAYOUTMODEL_H:
+ methodName = L"h";
+ break;
+ case XFA_LAYOUTMODEL_W:
+ methodName = L"w";
+ break;
+ case XFA_LAYOUTMODEL_X:
+ methodName = L"x";
+ break;
+ case XFA_LAYOUTMODEL_Y:
+ methodName = L"y";
+ break;
+ }
+ ThrowParamCountMismatchException(methodName);
+ return;
+ }
+
+ CXFA_Node* pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
+ if (!pNode)
+ return;
+
+ WideString wsUnit(L"pt");
+ if (iLength >= 2) {
+ ByteString bsUnit = pArguments->GetUTF8String(1);
+ if (!bsUnit.IsEmpty())
+ wsUnit = WideString::FromUTF8(bsUnit.AsStringView());
+ }
+
+ int32_t iIndex = iLength >= 3 ? pArguments->GetInt32(2) : 0;
+
+ CXFA_LayoutProcessor* pDocLayout =
+ GetXFALayoutPseudoModel()->GetDocument()->GetDocLayout();
+ if (!pDocLayout)
+ return;
+
+ CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
+ if (!pLayoutItem)
+ return;
+
+ while (iIndex > 0 && pLayoutItem) {
+ pLayoutItem = pLayoutItem->GetNext();
+ iIndex--;
+ }
+
+ CFXJSE_Value* pValue = pArguments->GetReturnValue();
+ if (!pLayoutItem) {
+ pValue->SetFloat(0);
+ return;
+ }
+
+ CXFA_Measurement measure;
+ CFX_RectF rtRect = pLayoutItem->GetRect(true);
+ switch (layoutModel) {
+ case XFA_LAYOUTMODEL_H:
+ measure.Set(rtRect.height, XFA_UNIT_Pt);
+ break;
+ case XFA_LAYOUTMODEL_W:
+ measure.Set(rtRect.width, XFA_UNIT_Pt);
+ break;
+ case XFA_LAYOUTMODEL_X:
+ measure.Set(rtRect.left, XFA_UNIT_Pt);
+ break;
+ case XFA_LAYOUTMODEL_Y:
+ measure.Set(rtRect.top, XFA_UNIT_Pt);
+ break;
+ }
+
+ float fValue = measure.ToUnit(
+ CXFA_Measurement::GetUnitFromString(wsUnit.AsStringView()));
+ fValue = FXSYS_round(fValue * 1000) / 1000.0f;
+ pValue->SetFloat(fValue);
+}
+
+void CJX_LayoutPseudoModel::H(CFXJSE_Arguments* pArguments) {
+ HWXY(pArguments, XFA_LAYOUTMODEL_H);
+}
+
+void CJX_LayoutPseudoModel::W(CFXJSE_Arguments* pArguments) {
+ HWXY(pArguments, XFA_LAYOUTMODEL_W);
+}
+
+void CJX_LayoutPseudoModel::X(CFXJSE_Arguments* pArguments) {
+ HWXY(pArguments, XFA_LAYOUTMODEL_X);
+}
+
+void CJX_LayoutPseudoModel::Y(CFXJSE_Arguments* pArguments) {
+ HWXY(pArguments, XFA_LAYOUTMODEL_Y);
+}
+
+void CJX_LayoutPseudoModel::NumberedPageCount(CFXJSE_Arguments* pArguments,
+ bool bNumbered) {
+ CXFA_LayoutProcessor* pDocLayout =
+ GetXFALayoutPseudoModel()->GetDocument()->GetDocLayout();
+ if (!pDocLayout)
+ return;
+
+ int32_t iPageCount = 0;
+ int32_t iPageNum = pDocLayout->CountPages();
+ if (bNumbered) {
+ for (int32_t i = 0; i < iPageNum; i++) {
+ CXFA_ContainerLayoutItem* pLayoutPage = pDocLayout->GetPage(i);
+ if (!pLayoutPage)
+ continue;
+
+ CXFA_Node* pMasterPage = pLayoutPage->GetMasterPage();
+ if (pMasterPage->JSNode()->GetInteger(XFA_ATTRIBUTE_Numbered))
+ iPageCount++;
+ }
+ } else {
+ iPageCount = iPageNum;
+ }
+
+ pArguments->GetReturnValue()->SetInteger(iPageCount);
+}
+
+void CJX_LayoutPseudoModel::PageCount(CFXJSE_Arguments* pArguments) {
+ NumberedPageCount(pArguments, true);
+}
+
+void CJX_LayoutPseudoModel::PageSpan(CFXJSE_Arguments* pArguments) {
+ int32_t iLength = pArguments->GetLength();
+ if (iLength != 1) {
+ ThrowParamCountMismatchException(L"pageSpan");
+ return;
+ }
+
+ CXFA_Node* pNode = nullptr;
+ if (iLength >= 1)
+ pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
+ if (!pNode)
+ return;
+
+ CXFA_LayoutProcessor* pDocLayout =
+ GetXFALayoutPseudoModel()->GetDocument()->GetDocLayout();
+ if (!pDocLayout)
+ return;
+
+ CFXJSE_Value* pValue = pArguments->GetReturnValue();
+ CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
+ if (!pLayoutItem) {
+ pValue->SetInteger(-1);
+ return;
+ }
+
+ int32_t iLast = pLayoutItem->GetLast()->GetPage()->GetPageIndex();
+ int32_t iFirst = pLayoutItem->GetFirst()->GetPage()->GetPageIndex();
+ int32_t iPageSpan = iLast - iFirst + 1;
+ pValue->SetInteger(iPageSpan);
+}
+
+void CJX_LayoutPseudoModel::Page(CFXJSE_Arguments* pArguments) {
+ PageInternals(pArguments, false);
+}
+
+std::vector<CXFA_Node*> CJX_LayoutPseudoModel::GetObjArray(
+ CXFA_LayoutProcessor* pDocLayout,
+ int32_t iPageNo,
+ const WideString& wsType,
+ bool bOnPageArea) {
+ CXFA_ContainerLayoutItem* pLayoutPage = pDocLayout->GetPage(iPageNo);
+ if (!pLayoutPage)
+ return std::vector<CXFA_Node*>();
+
+ std::vector<CXFA_Node*> retArray;
+ if (wsType == L"pageArea") {
+ if (pLayoutPage->m_pFormNode)
+ retArray.push_back(pLayoutPage->m_pFormNode);
+ return retArray;
+ }
+ if (wsType == L"contentArea") {
+ for (CXFA_LayoutItem* pItem = pLayoutPage->m_pFirstChild; pItem;
+ pItem = pItem->m_pNextSibling) {
+ if (pItem->m_pFormNode->GetElementType() == XFA_Element::ContentArea)
+ retArray.push_back(pItem->m_pFormNode);
+ }
+ return retArray;
+ }
+ std::set<CXFA_Node*> formItems;
+ if (wsType.IsEmpty()) {
+ if (pLayoutPage->m_pFormNode)
+ retArray.push_back(pLayoutPage->m_pFormNode);
+
+ for (CXFA_LayoutItem* pItem = pLayoutPage->m_pFirstChild; pItem;
+ pItem = pItem->m_pNextSibling) {
+ if (pItem->m_pFormNode->GetElementType() == XFA_Element::ContentArea) {
+ retArray.push_back(pItem->m_pFormNode);
+ if (!bOnPageArea) {
+ CXFA_NodeIteratorTemplate<CXFA_ContentLayoutItem,
+ CXFA_TraverseStrategy_ContentLayoutItem>
+ iterator(static_cast<CXFA_ContentLayoutItem*>(pItem->m_pFirstChild));
+ for (CXFA_ContentLayoutItem* pItemChild = iterator.GetCurrent();
+ pItemChild; pItemChild = iterator.MoveToNext()) {
+ if (!pItemChild->IsContentLayoutItem()) {
+ continue;
+ }
+ XFA_Element eType = pItemChild->m_pFormNode->GetElementType();
+ if (eType != XFA_Element::Field && eType != XFA_Element::Draw &&
+ eType != XFA_Element::Subform && eType != XFA_Element::Area) {
+ continue;
+ }
+ if (pdfium::ContainsValue(formItems, pItemChild->m_pFormNode))
+ continue;
+
+ formItems.insert(pItemChild->m_pFormNode);
+ retArray.push_back(pItemChild->m_pFormNode);
+ }
+ }
+ } else {
+ if (bOnPageArea) {
+ CXFA_NodeIteratorTemplate<CXFA_ContentLayoutItem,
+ CXFA_TraverseStrategy_ContentLayoutItem>
+ iterator(static_cast<CXFA_ContentLayoutItem*>(pItem));
+ for (CXFA_ContentLayoutItem* pItemChild = iterator.GetCurrent();
+ pItemChild; pItemChild = iterator.MoveToNext()) {
+ if (!pItemChild->IsContentLayoutItem()) {
+ continue;
+ }
+ XFA_Element eType = pItemChild->m_pFormNode->GetElementType();
+ if (eType != XFA_Element::Field && eType != XFA_Element::Draw &&
+ eType != XFA_Element::Subform && eType != XFA_Element::Area) {
+ continue;
+ }
+ if (pdfium::ContainsValue(formItems, pItemChild->m_pFormNode))
+ continue;
+ formItems.insert(pItemChild->m_pFormNode);
+ retArray.push_back(pItemChild->m_pFormNode);
+ }
+ }
+ }
+ }
+ return retArray;
+ }
+
+ XFA_Element eType = XFA_Element::Unknown;
+ if (wsType == L"field")
+ eType = XFA_Element::Field;
+ else if (wsType == L"draw")
+ eType = XFA_Element::Draw;
+ else if (wsType == L"subform")
+ eType = XFA_Element::Subform;
+ else if (wsType == L"area")
+ eType = XFA_Element::Area;
+
+ if (eType != XFA_Element::Unknown) {
+ for (CXFA_LayoutItem* pItem = pLayoutPage->m_pFirstChild; pItem;
+ pItem = pItem->m_pNextSibling) {
+ if (pItem->m_pFormNode->GetElementType() == XFA_Element::ContentArea) {
+ if (!bOnPageArea) {
+ CXFA_NodeIteratorTemplate<CXFA_ContentLayoutItem,
+ CXFA_TraverseStrategy_ContentLayoutItem>
+ iterator(static_cast<CXFA_ContentLayoutItem*>(pItem->m_pFirstChild));
+ for (CXFA_ContentLayoutItem* pItemChild = iterator.GetCurrent();
+ pItemChild; pItemChild = iterator.MoveToNext()) {
+ if (!pItemChild->IsContentLayoutItem())
+ continue;
+ if (pItemChild->m_pFormNode->GetElementType() != eType)
+ continue;
+ if (pdfium::ContainsValue(formItems, pItemChild->m_pFormNode))
+ continue;
+
+ formItems.insert(pItemChild->m_pFormNode);
+ retArray.push_back(pItemChild->m_pFormNode);
+ }
+ }
+ } else {
+ if (bOnPageArea) {
+ CXFA_NodeIteratorTemplate<CXFA_ContentLayoutItem,
+ CXFA_TraverseStrategy_ContentLayoutItem>
+ iterator(static_cast<CXFA_ContentLayoutItem*>(pItem));
+ for (CXFA_ContentLayoutItem* pItemChild = iterator.GetCurrent();
+ pItemChild; pItemChild = iterator.MoveToNext()) {
+ if (!pItemChild->IsContentLayoutItem())
+ continue;
+ if (pItemChild->m_pFormNode->GetElementType() != eType)
+ continue;
+ if (pdfium::ContainsValue(formItems, pItemChild->m_pFormNode))
+ continue;
+
+ formItems.insert(pItemChild->m_pFormNode);
+ retArray.push_back(pItemChild->m_pFormNode);
+ }
+ }
+ }
+ }
+ }
+ return retArray;
+}
+
+void CJX_LayoutPseudoModel::PageContent(CFXJSE_Arguments* pArguments) {
+ int32_t iLength = pArguments->GetLength();
+ if (iLength < 1 || iLength > 3) {
+ ThrowParamCountMismatchException(L"pageContent");
+ return;
+ }
+
+ int32_t iIndex = 0;
+ WideString wsType;
+ bool bOnPageArea = false;
+ if (iLength >= 1)
+ iIndex = pArguments->GetInt32(0);
+
+ if (iLength >= 2) {
+ ByteString bsType = pArguments->GetUTF8String(1);
+ wsType = WideString::FromUTF8(bsType.AsStringView());
+ }
+ if (iLength >= 3)
+ bOnPageArea = pArguments->GetInt32(2) == 0 ? false : true;
+
+ CXFA_FFNotify* pNotify =
+ GetXFALayoutPseudoModel()->GetDocument()->GetNotify();
+ if (!pNotify)
+ return;
+
+ CXFA_LayoutProcessor* pDocLayout =
+ GetXFALayoutPseudoModel()->GetDocument()->GetDocLayout();
+ if (!pDocLayout)
+ return;
+
+ auto pArrayNodeList = pdfium::MakeUnique<CXFA_ArrayNodeList>(
+ GetXFALayoutPseudoModel()->GetDocument());
+ pArrayNodeList->SetArrayNodeList(
+ GetObjArray(pDocLayout, iIndex, wsType, bOnPageArea));
+ pArguments->GetReturnValue()->SetObject(pArrayNodeList.release(),
+ GetXFALayoutPseudoModel()
+ ->GetDocument()
+ ->GetScriptContext()
+ ->GetJseNormalClass());
+}
+
+void CJX_LayoutPseudoModel::AbsPageCount(CFXJSE_Arguments* pArguments) {
+ NumberedPageCount(pArguments, false);
+}
+
+void CJX_LayoutPseudoModel::AbsPageCountInBatch(CFXJSE_Arguments* pArguments) {
+ pArguments->GetReturnValue()->SetInteger(0);
+}
+
+void CJX_LayoutPseudoModel::SheetCountInBatch(CFXJSE_Arguments* pArguments) {
+ pArguments->GetReturnValue()->SetInteger(0);
+}
+
+void CJX_LayoutPseudoModel::Relayout(CFXJSE_Arguments* pArguments) {
+ CXFA_Node* pRootNode = GetXFALayoutPseudoModel()->GetDocument()->GetRoot();
+ CXFA_Node* pFormRoot = pRootNode->GetFirstChildByClass(XFA_Element::Form);
+ CXFA_Node* pContentRootNode = pFormRoot->GetNodeItem(XFA_NODEITEM_FirstChild);
+ CXFA_LayoutProcessor* pLayoutProcessor =
+ GetXFALayoutPseudoModel()->GetDocument()->GetLayoutProcessor();
+ if (pContentRootNode)
+ pLayoutProcessor->AddChangedContainer(pContentRootNode);
+
+ pLayoutProcessor->SetForceReLayout(true);
+}
+
+void CJX_LayoutPseudoModel::AbsPageSpan(CFXJSE_Arguments* pArguments) {
+ PageSpan(pArguments);
+}
+
+void CJX_LayoutPseudoModel::AbsPageInBatch(CFXJSE_Arguments* pArguments) {
+ if (pArguments->GetLength() != 1) {
+ ThrowParamCountMismatchException(L"absPageInBatch");
+ return;
+ }
+
+ pArguments->GetReturnValue()->SetInteger(0);
+}
+
+void CJX_LayoutPseudoModel::SheetInBatch(CFXJSE_Arguments* pArguments) {
+ if (pArguments->GetLength() != 1) {
+ ThrowParamCountMismatchException(L"sheetInBatch");
+ return;
+ }
+
+ pArguments->GetReturnValue()->SetInteger(0);
+}
+
+void CJX_LayoutPseudoModel::Sheet(CFXJSE_Arguments* pArguments) {
+ PageInternals(pArguments, true);
+}
+
+void CJX_LayoutPseudoModel::RelayoutPageArea(CFXJSE_Arguments* pArguments) {}
+
+void CJX_LayoutPseudoModel::SheetCount(CFXJSE_Arguments* pArguments) {
+ NumberedPageCount(pArguments, false);
+}
+
+void CJX_LayoutPseudoModel::AbsPage(CFXJSE_Arguments* pArguments) {
+ PageInternals(pArguments, true);
+}
+
+void CJX_LayoutPseudoModel::PageInternals(CFXJSE_Arguments* pArguments,
+ bool bAbsPage) {
+ int32_t iLength = pArguments->GetLength();
+ if (iLength != 1) {
+ ThrowParamCountMismatchException(bAbsPage ? L"absPage" : L"page");
+ return;
+ }
+
+ CXFA_Node* pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
+ CFXJSE_Value* pValue = pArguments->GetReturnValue();
+ if (!pNode)
+ pValue->SetInteger(0);
+
+ CXFA_LayoutProcessor* pDocLayout =
+ GetXFALayoutPseudoModel()->GetDocument()->GetDocLayout();
+ if (!pDocLayout)
+ return;
+
+ CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
+ if (!pLayoutItem) {
+ pValue->SetInteger(-1);
+ return;
+ }
+
+ int32_t iPage = pLayoutItem->GetFirst()->GetPage()->GetPageIndex();
+ pValue->SetInteger(bAbsPage ? iPage : iPage + 1);
+}