// Copyright 2017 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 "fxjs/xfa/cjx_layoutpseudomodel.h"
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#include <set>
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#include "core/fxcrt/fx_coordinates.h"
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#include "fxjs/cfxjse_engine.h"
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#include "fxjs/cfxjse_value.h"
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#include "fxjs/js_resources.h"
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#include "xfa/fxfa/cxfa_ffnotify.h"
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#include "xfa/fxfa/parser/cscript_layoutpseudomodel.h"
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#include "xfa/fxfa/parser/cxfa_arraynodelist.h"
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#include "xfa/fxfa/parser/cxfa_containerlayoutitem.h"
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#include "xfa/fxfa/parser/cxfa_document.h"
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#include "xfa/fxfa/parser/cxfa_form.h"
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#include "xfa/fxfa/parser/cxfa_layoutitem.h"
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#include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
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#include "xfa/fxfa/parser/cxfa_measurement.h"
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#include "xfa/fxfa/parser/cxfa_node.h"
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#include "xfa/fxfa/parser/cxfa_nodeiteratortemplate.h"
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#include "xfa/fxfa/parser/cxfa_traversestrategy_contentlayoutitem.h"
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const CJX_MethodSpec CJX_LayoutPseudoModel::MethodSpecs[] = {
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{"absPage", absPage_static},
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{"absPageCount", absPageCount_static},
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{"absPageCountInBatch", absPageCountInBatch_static},
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{"absPageInBatch", absPageInBatch_static},
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{"absPageSpan", absPageSpan_static},
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{"h", h_static},
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{"page", page_static},
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{"pageContent", pageContent_static},
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{"pageCount", pageCount_static},
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{"pageSpan", pageSpan_static},
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{"relayout", relayout_static},
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{"relayoutPageArea", relayoutPageArea_static},
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{"sheet", sheet_static},
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{"sheetCount", sheetCount_static},
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{"sheetCountInBatch", sheetCountInBatch_static},
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{"sheetInBatch", sheetInBatch_static},
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{"w", w_static},
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{"x", x_static},
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{"y", y_static}};
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CJX_LayoutPseudoModel::CJX_LayoutPseudoModel(CScript_LayoutPseudoModel* model)
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: CJX_Object(model) {
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DefineMethods(MethodSpecs, FX_ArraySize(MethodSpecs));
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}
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CJX_LayoutPseudoModel::~CJX_LayoutPseudoModel() {}
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void CJX_LayoutPseudoModel::ready(CFXJSE_Value* pValue,
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bool bSetting,
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XFA_Attribute eAttribute) {
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CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
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if (!pNotify)
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return;
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if (bSetting) {
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ThrowException(L"Unable to set ready value.");
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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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CJS_Return CJX_LayoutPseudoModel::HWXY(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params,
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XFA_LAYOUTMODEL_HWXY layoutModel) {
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if (params.empty() || params.size() > 3)
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return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
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CXFA_Node* pNode = ToNode(runtime->ToXFAObject(params[0]));
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if (!pNode)
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return CJS_Return(true);
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WideString unit(L"pt");
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if (params.size() >= 2) {
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WideString tmp_unit = runtime->ToWideString(params[1]);
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if (!tmp_unit.IsEmpty())
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unit = tmp_unit;
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}
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int32_t iIndex = params.size() >= 3 ? runtime->ToInt32(params[2]) : 0;
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CXFA_LayoutProcessor* pDocLayout = GetDocument()->GetDocLayout();
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if (!pDocLayout)
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return CJS_Return(true);
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CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
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if (!pLayoutItem)
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return CJS_Return(true);
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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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if (!pLayoutItem)
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return CJS_Return(runtime->NewNumber(0.0));
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CXFA_Measurement measure;
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CFX_RectF rtRect = pLayoutItem->GetRect(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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float fValue =
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measure.ToUnit(CXFA_Measurement::GetUnitFromString(unit.AsStringView()));
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return CJS_Return(runtime->NewNumber(FXSYS_round(fValue * 1000) / 1000.0f));
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}
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CJS_Return CJX_LayoutPseudoModel::h(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return HWXY(runtime, params, XFA_LAYOUTMODEL_H);
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}
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CJS_Return CJX_LayoutPseudoModel::w(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return HWXY(runtime, params, XFA_LAYOUTMODEL_W);
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}
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CJS_Return CJX_LayoutPseudoModel::x(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return HWXY(runtime, params, XFA_LAYOUTMODEL_X);
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}
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CJS_Return CJX_LayoutPseudoModel::y(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return HWXY(runtime, params, XFA_LAYOUTMODEL_Y);
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}
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CJS_Return CJX_LayoutPseudoModel::NumberedPageCount(CJS_V8* runtime,
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bool bNumbered) {
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CXFA_LayoutProcessor* pDocLayout = GetDocument()->GetDocLayout();
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if (!pDocLayout)
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return CJS_Return(true);
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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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CXFA_Node* pMasterPage = pLayoutPage->GetMasterPage();
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if (pMasterPage->JSObject()->GetInteger(XFA_Attribute::Numbered))
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iPageCount++;
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}
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} else {
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iPageCount = iPageNum;
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}
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return CJS_Return(runtime->NewNumber(iPageCount));
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}
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CJS_Return CJX_LayoutPseudoModel::pageCount(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return NumberedPageCount(runtime, true);
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}
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CJS_Return CJX_LayoutPseudoModel::pageSpan(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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if (params.size() != 1)
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return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
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CXFA_Node* pNode = ToNode(runtime->ToXFAObject(params[0]));
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if (!pNode)
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return CJS_Return(true);
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CXFA_LayoutProcessor* pDocLayout = GetDocument()->GetDocLayout();
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if (!pDocLayout)
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return CJS_Return(true);
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CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
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if (!pLayoutItem)
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return CJS_Return(runtime->NewNumber(-1));
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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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return CJS_Return(runtime->NewNumber(iPageSpan));
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}
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CJS_Return CJX_LayoutPseudoModel::page(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return PageInternals(runtime, params, false);
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}
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std::vector<CXFA_Node*> CJX_LayoutPseudoModel::GetObjArray(
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CXFA_LayoutProcessor* pDocLayout,
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int32_t iPageNo,
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const WideString& wsType,
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bool bOnPageArea) {
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CXFA_ContainerLayoutItem* pLayoutPage = pDocLayout->GetPage(iPageNo);
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if (!pLayoutPage)
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return std::vector<CXFA_Node*>();
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std::vector<CXFA_Node*> retArray;
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if (wsType == L"pageArea") {
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if (pLayoutPage->m_pFormNode)
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retArray.push_back(pLayoutPage->m_pFormNode);
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return retArray;
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}
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if (wsType == 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.push_back(pItem->m_pFormNode);
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}
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return retArray;
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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 (pLayoutPage->m_pFormNode)
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retArray.push_back(pLayoutPage->m_pFormNode);
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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.push_back(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.push_back(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.push_back(pItemChild->m_pFormNode);
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}
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}
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}
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}
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return retArray;
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}
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XFA_Element eType = XFA_Element::Unknown;
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if (wsType == L"field")
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eType = XFA_Element::Field;
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else if (wsType == L"draw")
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eType = XFA_Element::Draw;
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else if (wsType == L"subform")
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eType = XFA_Element::Subform;
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else if (wsType == L"area")
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eType = XFA_Element::Area;
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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.push_back(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.push_back(pItemChild->m_pFormNode);
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}
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}
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}
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}
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}
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return retArray;
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}
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CJS_Return CJX_LayoutPseudoModel::pageContent(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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if (params.empty() || params.size() > 3)
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return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
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int32_t iIndex = 0;
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if (params.size() >= 1)
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iIndex = runtime->ToInt32(params[0]);
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WideString wsType;
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if (params.size() >= 2)
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wsType = runtime->ToWideString(params[1]);
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bool bOnPageArea = false;
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if (params.size() >= 3)
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bOnPageArea = runtime->ToBoolean(params[2]);
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CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
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if (!pNotify)
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return CJS_Return(true);
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CXFA_LayoutProcessor* pDocLayout = GetDocument()->GetDocLayout();
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if (!pDocLayout)
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return CJS_Return(true);
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auto pArrayNodeList = pdfium::MakeUnique<CXFA_ArrayNodeList>(GetDocument());
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pArrayNodeList->SetArrayNodeList(
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GetObjArray(pDocLayout, iIndex, wsType, bOnPageArea));
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// TODO(dsinclair): Who owns the array once we release it? Won't this leak?
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return CJS_Return(runtime->NewXFAObject(
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pArrayNodeList.release(),
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GetDocument()->GetScriptContext()->GetJseNormalClass()->GetTemplate()));
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}
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CJS_Return CJX_LayoutPseudoModel::absPageCount(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return NumberedPageCount(runtime, false);
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}
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CJS_Return CJX_LayoutPseudoModel::absPageCountInBatch(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return CJS_Return(runtime->NewNumber(0));
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}
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CJS_Return CJX_LayoutPseudoModel::sheetCountInBatch(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return CJS_Return(runtime->NewNumber(0));
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}
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CJS_Return CJX_LayoutPseudoModel::relayout(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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CXFA_Node* pRootNode = GetDocument()->GetRoot();
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CXFA_Form* pFormRoot =
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pRootNode->GetFirstChildByClass<CXFA_Form>(XFA_Element::Form);
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CXFA_Node* pContentRootNode = pFormRoot->GetFirstChild();
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CXFA_LayoutProcessor* pLayoutProcessor = GetDocument()->GetLayoutProcessor();
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if (pContentRootNode)
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pLayoutProcessor->AddChangedContainer(pContentRootNode);
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pLayoutProcessor->SetForceReLayout(true);
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return CJS_Return(true);
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}
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CJS_Return CJX_LayoutPseudoModel::absPageSpan(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return pageSpan(runtime, params);
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}
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CJS_Return CJX_LayoutPseudoModel::absPageInBatch(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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if (params.size() != 1)
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return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
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return CJS_Return(runtime->NewNumber(0));
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}
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CJS_Return CJX_LayoutPseudoModel::sheetInBatch(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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if (params.size() != 1)
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return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
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return CJS_Return(runtime->NewNumber(0));
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}
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CJS_Return CJX_LayoutPseudoModel::sheet(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return PageInternals(runtime, params, true);
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}
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CJS_Return CJX_LayoutPseudoModel::relayoutPageArea(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return CJS_Return(true);
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}
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CJS_Return CJX_LayoutPseudoModel::sheetCount(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return NumberedPageCount(runtime, false);
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}
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CJS_Return CJX_LayoutPseudoModel::absPage(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params) {
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return PageInternals(runtime, params, true);
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}
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CJS_Return CJX_LayoutPseudoModel::PageInternals(
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CJS_V8* runtime,
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const std::vector<v8::Local<v8::Value>>& params,
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bool bAbsPage) {
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if (params.size() != 1)
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return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
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CXFA_Node* pNode = ToNode(runtime->ToXFAObject(params[0]));
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if (!pNode)
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return CJS_Return(runtime->NewNumber(0));
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CXFA_LayoutProcessor* pDocLayout = GetDocument()->GetDocLayout();
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if (!pDocLayout)
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return CJS_Return(true);
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CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
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if (!pLayoutItem)
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return CJS_Return(runtime->NewNumber(-1));
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int32_t iPage = pLayoutItem->GetFirst()->GetPage()->GetPageIndex();
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return CJS_Return(runtime->NewNumber(bAbsPage ? iPage : iPage + 1));
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}
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