// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "xfa/fxfa/parser/xfa_script_layoutpseudomodel.h"
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#include <set>
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#include "fxjs/include/cfxjse_arguments.h"
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#include "third_party/base/stl_util.h"
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#include "xfa/fxfa/app/xfa_ffnotify.h"
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#include "xfa/fxfa/parser/xfa_doclayout.h"
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#include "xfa/fxfa/parser/xfa_document.h"
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#include "xfa/fxfa/parser/xfa_document_layout_imp.h"
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#include "xfa/fxfa/parser/xfa_layout_appadapter.h"
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#include "xfa/fxfa/parser/xfa_localemgr.h"
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#include "xfa/fxfa/parser/xfa_object.h"
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#include "xfa/fxfa/parser/xfa_script.h"
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#include "xfa/fxfa/parser/xfa_script_imp.h"
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#include "xfa/fxfa/parser/xfa_utils.h"
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CScript_LayoutPseudoModel::CScript_LayoutPseudoModel(CXFA_Document* pDocument)
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: CXFA_Object(pDocument,
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XFA_ObjectType::Object,
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XFA_Element::LayoutPseudoModel) {}
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CScript_LayoutPseudoModel::~CScript_LayoutPseudoModel() {}
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void CScript_LayoutPseudoModel::Ready(CFXJSE_Value* pValue,
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FX_BOOL bSetting,
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XFA_ATTRIBUTE eAttribute) {
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CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
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if (!pNotify) {
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return;
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}
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if (bSetting) {
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ThrowException(XFA_IDS_UNABLE_SET_READY);
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return;
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}
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int32_t iStatus = pNotify->GetLayoutStatus();
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pValue->SetBoolean(iStatus >= 2);
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}
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void CScript_LayoutPseudoModel::HWXY(CFXJSE_Arguments* pArguments,
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XFA_LAYOUTMODEL_HWXY layoutModel) {
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int32_t iLength = pArguments->GetLength();
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if (iLength < 1 || iLength > 3) {
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const FX_WCHAR* methodName = nullptr;
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switch (layoutModel) {
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case XFA_LAYOUTMODEL_H:
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methodName = L"h";
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break;
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case XFA_LAYOUTMODEL_W:
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methodName = L"w";
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break;
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case XFA_LAYOUTMODEL_X:
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methodName = L"x";
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break;
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case XFA_LAYOUTMODEL_Y:
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methodName = L"y";
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break;
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}
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ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, methodName);
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return;
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}
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CXFA_Node* pNode = nullptr;
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CFX_WideString wsUnit(L"pt");
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int32_t iIndex = 0;
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if (iLength >= 1) {
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pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
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}
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if (iLength >= 2) {
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CFX_ByteString bsUnit = pArguments->GetUTF8String(1);
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if (!bsUnit.IsEmpty()) {
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wsUnit = CFX_WideString::FromUTF8(bsUnit.AsStringC());
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}
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}
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if (iLength >= 3) {
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iIndex = pArguments->GetInt32(2);
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}
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if (!pNode) {
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return;
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}
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CXFA_LayoutProcessor* pDocLayout = m_pDocument->GetDocLayout();
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if (!pDocLayout) {
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return;
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}
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CFX_RectF rtRect;
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CXFA_Measurement measure;
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CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
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if (!pLayoutItem) {
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return;
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}
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while (iIndex > 0 && pLayoutItem) {
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pLayoutItem = pLayoutItem->GetNext();
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iIndex--;
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}
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CFXJSE_Value* pValue = pArguments->GetReturnValue();
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if (!pLayoutItem) {
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pValue->SetFloat(0);
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return;
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}
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pLayoutItem->GetRect(rtRect, TRUE);
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switch (layoutModel) {
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case XFA_LAYOUTMODEL_H:
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measure.Set(rtRect.height, XFA_UNIT_Pt);
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break;
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case XFA_LAYOUTMODEL_W:
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measure.Set(rtRect.width, XFA_UNIT_Pt);
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break;
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case XFA_LAYOUTMODEL_X:
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measure.Set(rtRect.left, XFA_UNIT_Pt);
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break;
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case XFA_LAYOUTMODEL_Y:
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measure.Set(rtRect.top, XFA_UNIT_Pt);
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break;
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}
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XFA_UNIT unit = measure.GetUnit(wsUnit.AsStringC());
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FX_FLOAT fValue = measure.ToUnit(unit);
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fValue = FXSYS_round(fValue * 1000) / 1000.0f;
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if (pValue)
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pValue->SetFloat(fValue);
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}
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void CScript_LayoutPseudoModel::H(CFXJSE_Arguments* pArguments) {
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HWXY(pArguments, XFA_LAYOUTMODEL_H);
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}
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void CScript_LayoutPseudoModel::W(CFXJSE_Arguments* pArguments) {
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HWXY(pArguments, XFA_LAYOUTMODEL_W);
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}
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void CScript_LayoutPseudoModel::X(CFXJSE_Arguments* pArguments) {
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HWXY(pArguments, XFA_LAYOUTMODEL_X);
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}
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void CScript_LayoutPseudoModel::Y(CFXJSE_Arguments* pArguments) {
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HWXY(pArguments, XFA_LAYOUTMODEL_Y);
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}
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void CScript_LayoutPseudoModel::NumberedPageCount(CFXJSE_Arguments* pArguments,
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FX_BOOL bNumbered) {
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CXFA_LayoutProcessor* pDocLayout = m_pDocument->GetDocLayout();
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if (!pDocLayout) {
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return;
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}
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int32_t iPageCount = 0;
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int32_t iPageNum = pDocLayout->CountPages();
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if (bNumbered) {
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for (int32_t i = 0; i < iPageNum; i++) {
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CXFA_ContainerLayoutItem* pLayoutPage = pDocLayout->GetPage(i);
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if (!pLayoutPage) {
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continue;
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}
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CXFA_Node* pMasterPage = pLayoutPage->GetMasterPage();
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if (pMasterPage->GetInteger(XFA_ATTRIBUTE_Numbered)) {
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iPageCount++;
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}
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}
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} else {
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iPageCount = iPageNum;
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}
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CFXJSE_Value* pValue = pArguments->GetReturnValue();
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if (pValue)
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pValue->SetInteger(iPageCount);
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}
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void CScript_LayoutPseudoModel::PageCount(CFXJSE_Arguments* pArguments) {
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NumberedPageCount(pArguments, TRUE);
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}
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void CScript_LayoutPseudoModel::PageSpan(CFXJSE_Arguments* pArguments) {
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int32_t iLength = pArguments->GetLength();
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if (iLength != 1) {
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ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"pageSpan");
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return;
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}
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CXFA_Node* pNode = nullptr;
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if (iLength >= 1) {
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pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
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}
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if (!pNode) {
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return;
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}
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CXFA_LayoutProcessor* pDocLayout = m_pDocument->GetDocLayout();
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if (!pDocLayout) {
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return;
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}
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CFXJSE_Value* pValue = pArguments->GetReturnValue();
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CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
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if (!pLayoutItem) {
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pValue->SetInteger(-1);
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return;
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}
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int32_t iLast = pLayoutItem->GetLast()->GetPage()->GetPageIndex();
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int32_t iFirst = pLayoutItem->GetFirst()->GetPage()->GetPageIndex();
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int32_t iPageSpan = iLast - iFirst + 1;
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if (pValue)
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pValue->SetInteger(iPageSpan);
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}
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void CScript_LayoutPseudoModel::Page(CFXJSE_Arguments* pArguments) {
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PageImp(pArguments, FALSE);
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}
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void CScript_LayoutPseudoModel::GetObjArray(CXFA_LayoutProcessor* pDocLayout,
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int32_t iPageNo,
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const CFX_WideString& wsType,
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FX_BOOL bOnPageArea,
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CXFA_NodeArray& retArray) {
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CXFA_ContainerLayoutItem* pLayoutPage = pDocLayout->GetPage(iPageNo);
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if (!pLayoutPage) {
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return;
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}
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if (wsType == FX_WSTRC(L"pageArea")) {
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if (CXFA_Node* pMasterPage = pLayoutPage->m_pFormNode) {
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retArray.Add(pMasterPage);
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}
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return;
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}
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if (wsType == FX_WSTRC(L"contentArea")) {
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for (CXFA_LayoutItem* pItem = pLayoutPage->m_pFirstChild; pItem;
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pItem = pItem->m_pNextSibling) {
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if (pItem->m_pFormNode->GetElementType() == XFA_Element::ContentArea) {
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retArray.Add(pItem->m_pFormNode);
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}
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}
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return;
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}
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std::set<CXFA_Node*> formItems;
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if (wsType.IsEmpty()) {
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if (CXFA_Node* pMasterPage = pLayoutPage->m_pFormNode) {
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retArray.Add(pMasterPage);
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}
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for (CXFA_LayoutItem* pItem = pLayoutPage->m_pFirstChild; pItem;
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pItem = pItem->m_pNextSibling) {
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if (pItem->m_pFormNode->GetElementType() == XFA_Element::ContentArea) {
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retArray.Add(pItem->m_pFormNode);
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if (!bOnPageArea) {
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CXFA_NodeIteratorTemplate<CXFA_ContentLayoutItem,
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CXFA_TraverseStrategy_ContentLayoutItem>
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iterator(static_cast<CXFA_ContentLayoutItem*>(pItem->m_pFirstChild));
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for (CXFA_ContentLayoutItem* pItemChild = iterator.GetCurrent();
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pItemChild; pItemChild = iterator.MoveToNext()) {
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if (!pItemChild->IsContentLayoutItem()) {
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continue;
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}
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XFA_Element eType = pItemChild->m_pFormNode->GetElementType();
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if (eType != XFA_Element::Field && eType != XFA_Element::Draw &&
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eType != XFA_Element::Subform && eType != XFA_Element::Area) {
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continue;
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}
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if (pdfium::ContainsValue(formItems, pItemChild->m_pFormNode))
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continue;
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formItems.insert(pItemChild->m_pFormNode);
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retArray.Add(pItemChild->m_pFormNode);
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}
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}
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} else {
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if (bOnPageArea) {
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CXFA_NodeIteratorTemplate<CXFA_ContentLayoutItem,
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CXFA_TraverseStrategy_ContentLayoutItem>
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iterator(static_cast<CXFA_ContentLayoutItem*>(pItem));
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for (CXFA_ContentLayoutItem* pItemChild = iterator.GetCurrent();
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pItemChild; pItemChild = iterator.MoveToNext()) {
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if (!pItemChild->IsContentLayoutItem()) {
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continue;
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}
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XFA_Element eType = pItemChild->m_pFormNode->GetElementType();
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if (eType != XFA_Element::Field && eType != XFA_Element::Draw &&
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eType != XFA_Element::Subform && eType != XFA_Element::Area) {
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continue;
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}
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if (pdfium::ContainsValue(formItems, pItemChild->m_pFormNode))
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continue;
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formItems.insert(pItemChild->m_pFormNode);
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retArray.Add(pItemChild->m_pFormNode);
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}
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}
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}
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}
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return;
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}
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XFA_Element eType = XFA_Element::Unknown;
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if (wsType == FX_WSTRC(L"field")) {
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eType = XFA_Element::Field;
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} else if (wsType == FX_WSTRC(L"draw")) {
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eType = XFA_Element::Draw;
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} else if (wsType == FX_WSTRC(L"subform")) {
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eType = XFA_Element::Subform;
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} else if (wsType == FX_WSTRC(L"area")) {
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eType = XFA_Element::Area;
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}
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if (eType != XFA_Element::Unknown) {
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for (CXFA_LayoutItem* pItem = pLayoutPage->m_pFirstChild; pItem;
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pItem = pItem->m_pNextSibling) {
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if (pItem->m_pFormNode->GetElementType() == XFA_Element::ContentArea) {
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if (!bOnPageArea) {
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CXFA_NodeIteratorTemplate<CXFA_ContentLayoutItem,
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CXFA_TraverseStrategy_ContentLayoutItem>
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iterator(static_cast<CXFA_ContentLayoutItem*>(pItem->m_pFirstChild));
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for (CXFA_ContentLayoutItem* pItemChild = iterator.GetCurrent();
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pItemChild; pItemChild = iterator.MoveToNext()) {
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if (!pItemChild->IsContentLayoutItem())
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continue;
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if (pItemChild->m_pFormNode->GetElementType() != eType)
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continue;
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if (pdfium::ContainsValue(formItems, pItemChild->m_pFormNode))
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continue;
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formItems.insert(pItemChild->m_pFormNode);
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retArray.Add(pItemChild->m_pFormNode);
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}
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}
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} else {
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if (bOnPageArea) {
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CXFA_NodeIteratorTemplate<CXFA_ContentLayoutItem,
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CXFA_TraverseStrategy_ContentLayoutItem>
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iterator(static_cast<CXFA_ContentLayoutItem*>(pItem));
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for (CXFA_ContentLayoutItem* pItemChild = iterator.GetCurrent();
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pItemChild; pItemChild = iterator.MoveToNext()) {
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if (!pItemChild->IsContentLayoutItem())
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continue;
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if (pItemChild->m_pFormNode->GetElementType() != eType)
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continue;
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if (pdfium::ContainsValue(formItems, pItemChild->m_pFormNode))
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continue;
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formItems.insert(pItemChild->m_pFormNode);
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retArray.Add(pItemChild->m_pFormNode);
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}
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}
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}
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}
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return;
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}
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}
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void CScript_LayoutPseudoModel::PageContent(CFXJSE_Arguments* pArguments) {
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int32_t iLength = pArguments->GetLength();
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if (iLength < 1 || iLength > 3) {
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ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"pageContent");
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return;
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}
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int32_t iIndex = 0;
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CFX_WideString wsType;
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FX_BOOL bOnPageArea = FALSE;
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if (iLength >= 1) {
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iIndex = pArguments->GetInt32(0);
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}
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if (iLength >= 2) {
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CFX_ByteString bsType = pArguments->GetUTF8String(1);
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wsType = CFX_WideString::FromUTF8(bsType.AsStringC());
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}
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if (iLength >= 3) {
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bOnPageArea = pArguments->GetInt32(2) == 0 ? FALSE : TRUE;
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}
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CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
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if (!pNotify) {
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return;
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}
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CXFA_LayoutProcessor* pDocLayout = m_pDocument->GetDocLayout();
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if (!pDocLayout) {
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return;
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}
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CXFA_NodeArray retArray;
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GetObjArray(pDocLayout, iIndex, wsType, bOnPageArea, retArray);
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CXFA_ArrayNodeList* pArrayNodeList = new CXFA_ArrayNodeList(m_pDocument);
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pArrayNodeList->SetArrayNodeList(retArray);
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pArguments->GetReturnValue()->SetObject(
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pArrayNodeList, m_pDocument->GetScriptContext()->GetJseNormalClass());
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}
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void CScript_LayoutPseudoModel::AbsPageCount(CFXJSE_Arguments* pArguments) {
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NumberedPageCount(pArguments, FALSE);
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}
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void CScript_LayoutPseudoModel::AbsPageCountInBatch(
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CFXJSE_Arguments* pArguments) {
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CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
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if (!pNotify) {
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return;
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}
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CXFA_FFDoc* hDoc = pNotify->GetHDOC();
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int32_t iPageCount = pNotify->GetDocProvider()->AbsPageCountInBatch(hDoc);
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CFXJSE_Value* pValue = pArguments->GetReturnValue();
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if (pValue)
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pValue->SetInteger(iPageCount);
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}
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void CScript_LayoutPseudoModel::SheetCountInBatch(
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CFXJSE_Arguments* pArguments) {
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CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
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if (!pNotify) {
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return;
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}
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CXFA_FFDoc* hDoc = pNotify->GetHDOC();
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int32_t iPageCount = pNotify->GetDocProvider()->SheetCountInBatch(hDoc);
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CFXJSE_Value* pValue = pArguments->GetReturnValue();
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if (pValue)
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pValue->SetInteger(iPageCount);
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}
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void CScript_LayoutPseudoModel::Relayout(CFXJSE_Arguments* pArguments) {
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CXFA_Node* pRootNode = m_pDocument->GetRoot();
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CXFA_Node* pFormRoot = pRootNode->GetFirstChildByClass(XFA_Element::Form);
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ASSERT(pFormRoot);
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CXFA_Node* pContentRootNode = pFormRoot->GetNodeItem(XFA_NODEITEM_FirstChild);
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CXFA_LayoutProcessor* pLayoutProcessor = m_pDocument->GetLayoutProcessor();
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if (pContentRootNode) {
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pLayoutProcessor->AddChangedContainer(pContentRootNode);
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}
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pLayoutProcessor->SetForceReLayout(TRUE);
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}
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void CScript_LayoutPseudoModel::AbsPageSpan(CFXJSE_Arguments* pArguments) {
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PageSpan(pArguments);
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}
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void CScript_LayoutPseudoModel::AbsPageInBatch(CFXJSE_Arguments* pArguments) {
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int32_t iLength = pArguments->GetLength();
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if (iLength != 1) {
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ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"absPageInBatch");
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return;
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}
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CXFA_Node* pNode = nullptr;
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if (iLength >= 1) {
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pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
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}
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if (!pNode) {
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return;
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}
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CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
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if (!pNotify) {
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return;
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}
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CXFA_LayoutProcessor* pDocLayout = m_pDocument->GetDocLayout();
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if (!pDocLayout) {
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return;
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}
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CXFA_FFWidget* hWidget =
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pNotify->GetHWidget(pDocLayout->GetLayoutItem(pNode));
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if (!hWidget) {
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return;
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}
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CXFA_FFDoc* hDoc = pNotify->GetHDOC();
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int32_t iPageCount = pNotify->GetDocProvider()->AbsPageInBatch(hDoc, hWidget);
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CFXJSE_Value* pValue = pArguments->GetReturnValue();
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if (pValue)
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pValue->SetInteger(iPageCount);
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}
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void CScript_LayoutPseudoModel::SheetInBatch(CFXJSE_Arguments* pArguments) {
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int32_t iLength = pArguments->GetLength();
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if (iLength != 1) {
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ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"sheetInBatch");
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return;
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}
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CXFA_Node* pNode = nullptr;
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if (iLength >= 1) {
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pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
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}
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if (!pNode) {
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return;
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}
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CXFA_FFNotify* pNotify = m_pDocument->GetNotify();
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if (!pNotify) {
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return;
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}
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CXFA_LayoutProcessor* pDocLayout = m_pDocument->GetDocLayout();
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if (!pDocLayout) {
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return;
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}
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CXFA_FFWidget* hWidget =
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pNotify->GetHWidget(pDocLayout->GetLayoutItem(pNode));
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if (!hWidget) {
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return;
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}
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CXFA_FFDoc* hDoc = pNotify->GetHDOC();
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int32_t iPageCount = pNotify->GetDocProvider()->SheetInBatch(hDoc, hWidget);
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CFXJSE_Value* pValue = pArguments->GetReturnValue();
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if (pValue)
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pValue->SetInteger(iPageCount);
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}
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void CScript_LayoutPseudoModel::Sheet(CFXJSE_Arguments* pArguments) {
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PageImp(pArguments, TRUE);
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}
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void CScript_LayoutPseudoModel::RelayoutPageArea(CFXJSE_Arguments* pArguments) {
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}
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void CScript_LayoutPseudoModel::SheetCount(CFXJSE_Arguments* pArguments) {
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NumberedPageCount(pArguments, FALSE);
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}
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void CScript_LayoutPseudoModel::AbsPage(CFXJSE_Arguments* pArguments) {
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PageImp(pArguments, TRUE);
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}
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void CScript_LayoutPseudoModel::PageImp(CFXJSE_Arguments* pArguments,
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FX_BOOL bAbsPage) {
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int32_t iLength = pArguments->GetLength();
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if (iLength != 1) {
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const FX_WCHAR* methodName;
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if (bAbsPage) {
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methodName = L"absPage";
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} else {
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methodName = L"page";
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}
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ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, methodName);
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return;
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}
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CXFA_Node* pNode = nullptr;
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if (iLength >= 1) {
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pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
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}
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int32_t iPage = 0;
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CFXJSE_Value* pValue = pArguments->GetReturnValue();
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if (!pNode && pValue)
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pValue->SetInteger(iPage);
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CXFA_LayoutProcessor* pDocLayout = m_pDocument->GetDocLayout();
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if (!pDocLayout) {
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return;
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}
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CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
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if (!pLayoutItem) {
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pValue->SetInteger(-1);
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return;
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}
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iPage = pLayoutItem->GetFirst()->GetPage()->GetPageIndex();
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if (pValue)
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pValue->SetInteger(bAbsPage ? iPage : iPage + 1);
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}
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