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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/xfa/cjx_hostpseudomodel.h"
#include <memory>
#include <vector>
#include "fxjs/cfxjse_engine.h"
#include "fxjs/cfxjse_value.h"
#include "fxjs/js_resources.h"
#include "xfa/fxfa/cxfa_ffdoc.h"
#include "xfa/fxfa/cxfa_ffnotify.h"
#include "xfa/fxfa/parser/cscript_hostpseudomodel.h"
#include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
#include "xfa/fxfa/parser/cxfa_node.h"
#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
namespace {
int32_t FilterName(const WideStringView& wsExpression,
int32_t nStart,
WideString& wsFilter) {
ASSERT(nStart > -1);
int32_t iLength = wsExpression.GetLength();
if (nStart >= iLength)
return iLength;
int32_t nCount = 0;
{
// Span's lifetime must end before ReleaseBuffer() below.
pdfium::span<wchar_t> pBuf = wsFilter.GetBuffer(iLength - nStart);
const wchar_t* pSrc = wsExpression.unterminated_c_str();
while (nStart < iLength) {
wchar_t wCur = pSrc[nStart++];
if (wCur == ',')
break;
pBuf[nCount++] = wCur;
}
}
wsFilter.ReleaseBuffer(nCount);
wsFilter.Trim();
return nStart;
}
} // namespace
const CJX_MethodSpec CJX_HostPseudoModel::MethodSpecs[] = {
{"beep", beep_static},
{"documentCountInBatch", documentCountInBatch_static},
{"documentInBatch", documentInBatch_static},
{"exportData", exportData_static},
{"getFocus", getFocus_static},
{"gotoURL", gotoURL_static},
{"importData", importData_static},
{"messageBox", messageBox_static},
{"openList", openList_static},
{"pageDown", pageDown_static},
{"pageUp", pageUp_static},
{"print", print_static},
{"resetData", resetData_static},
{"response", response_static},
{"setFocus", setFocus_static}};
CJX_HostPseudoModel::CJX_HostPseudoModel(CScript_HostPseudoModel* model)
: CJX_Object(model) {
DefineMethods(MethodSpecs);
}
CJX_HostPseudoModel::~CJX_HostPseudoModel() {}
void CJX_HostPseudoModel::appType(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return;
if (bSetting) {
ThrowInvalidPropertyException();
return;
}
pValue->SetString("Exchange");
}
void CJX_HostPseudoModel::calculationsEnabled(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return;
CXFA_FFDoc* hDoc = pNotify->GetHDOC();
if (bSetting) {
hDoc->GetDocEnvironment()->SetCalculationsEnabled(hDoc,
pValue->ToBoolean());
return;
}
pValue->SetBoolean(hDoc->GetDocEnvironment()->IsCalculationsEnabled(hDoc));
}
void CJX_HostPseudoModel::currentPage(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return;
CXFA_FFDoc* hDoc = pNotify->GetHDOC();
if (bSetting) {
hDoc->GetDocEnvironment()->SetCurrentPage(hDoc, pValue->ToInteger());
return;
}
pValue->SetInteger(hDoc->GetDocEnvironment()->GetCurrentPage(hDoc));
}
void CJX_HostPseudoModel::language(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return;
if (bSetting) {
ThrowException(L"Unable to set language value.");
return;
}
pValue->SetString(
pNotify->GetAppProvider()->GetLanguage().UTF8Encode().AsStringView());
}
void CJX_HostPseudoModel::numPages(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return;
CXFA_FFDoc* hDoc = pNotify->GetHDOC();
if (bSetting) {
ThrowException(L"Unable to set numPages value.");
return;
}
pValue->SetInteger(hDoc->GetDocEnvironment()->CountPages(hDoc));
}
void CJX_HostPseudoModel::platform(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return;
if (bSetting) {
ThrowException(L"Unable to set platform value.");
return;
}
pValue->SetString(
pNotify->GetAppProvider()->GetPlatform().UTF8Encode().AsStringView());
}
void CJX_HostPseudoModel::title(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
if (!GetDocument()->GetScriptContext()->IsRunAtClient())
return;
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return;
CXFA_FFDoc* hDoc = pNotify->GetHDOC();
if (bSetting) {
hDoc->GetDocEnvironment()->SetTitle(hDoc, pValue->ToWideString());
return;
}
WideString wsTitle;
hDoc->GetDocEnvironment()->GetTitle(hDoc, wsTitle);
pValue->SetString(wsTitle.UTF8Encode().AsStringView());
}
void CJX_HostPseudoModel::validationsEnabled(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return;
CXFA_FFDoc* hDoc = pNotify->GetHDOC();
if (bSetting) {
hDoc->GetDocEnvironment()->SetValidationsEnabled(hDoc, pValue->ToBoolean());
return;
}
bool bEnabled = hDoc->GetDocEnvironment()->IsValidationsEnabled(hDoc);
pValue->SetBoolean(bEnabled);
}
void CJX_HostPseudoModel::variation(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
if (!GetDocument()->GetScriptContext()->IsRunAtClient())
return;
if (bSetting) {
ThrowException(L"Unable to set variation value.");
return;
}
pValue->SetString("Full");
}
void CJX_HostPseudoModel::version(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
if (bSetting) {
ThrowException(L"Unable to set version value.");
return;
}
pValue->SetString("11");
}
void CJX_HostPseudoModel::name(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return;
if (bSetting) {
ThrowInvalidPropertyException();
return;
}
pValue->SetString(
pNotify->GetAppProvider()->GetAppName().UTF8Encode().AsStringView());
}
CJS_Result CJX_HostPseudoModel::gotoURL(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (!GetDocument()->GetScriptContext()->IsRunAtClient())
return CJS_Result::Success();
if (params.size() != 1)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
CXFA_FFDoc* hDoc = pNotify->GetHDOC();
WideString URL = runtime->ToWideString(params[0]);
hDoc->GetDocEnvironment()->GotoURL(hDoc, URL);
return CJS_Result::Success();
}
CJS_Result CJX_HostPseudoModel::openList(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (!GetDocument()->GetScriptContext()->IsRunAtClient())
return CJS_Result::Success();
if (params.size() != 1)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
CXFA_Node* pNode = nullptr;
if (params[0]->IsObject()) {
pNode =
ToNode(static_cast<CFXJSE_Engine*>(runtime)->ToXFAObject(params[0]));
} else if (params[0]->IsString()) {
CFXJSE_Engine* pScriptContext = GetDocument()->GetScriptContext();
if (!pScriptContext)
return CJS_Result::Success();
CXFA_Object* pObject = pScriptContext->GetThisObject();
if (!pObject)
return CJS_Result::Success();
uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Parent |
XFA_RESOLVENODE_Siblings;
XFA_RESOLVENODE_RS resolveNodeRS;
bool iRet = pScriptContext->ResolveObjects(
pObject, runtime->ToWideString(params[0]).AsStringView(),
&resolveNodeRS, dwFlag, nullptr);
if (!iRet || !resolveNodeRS.objects.front()->IsNode())
return CJS_Result::Success();
pNode = resolveNodeRS.objects.front()->AsNode();
}
CXFA_LayoutProcessor* pDocLayout = GetDocument()->GetLayoutProcessor();
if (!pDocLayout)
return CJS_Result::Success();
CXFA_FFWidget* hWidget =
XFA_GetWidgetFromLayoutItem(pDocLayout->GetLayoutItem(pNode));
if (!hWidget)
return CJS_Result::Success();
CXFA_FFDoc* hDoc = pNotify->GetHDOC();
hDoc->GetDocEnvironment()->SetFocusWidget(hDoc, hWidget);
pNotify->OpenDropDownList(hWidget);
return CJS_Result::Success();
}
CJS_Result CJX_HostPseudoModel::response(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.empty() || params.size() > 4)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
WideString question;
if (params.size() >= 1)
question = runtime->ToWideString(params[0]);
WideString title;
if (params.size() >= 2)
title = runtime->ToWideString(params[1]);
WideString defaultAnswer;
if (params.size() >= 3)
defaultAnswer = runtime->ToWideString(params[2]);
bool mark = false;
if (params.size() >= 4)
mark = runtime->ToInt32(params[3]) != 0;
WideString answer =
pNotify->GetAppProvider()->Response(question, title, defaultAnswer, mark);
return CJS_Result::Success(
runtime->NewString(answer.UTF8Encode().AsStringView()));
}
CJS_Result CJX_HostPseudoModel::documentInBatch(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
return CJS_Result::Success(runtime->NewNumber(0));
}
CJS_Result CJX_HostPseudoModel::resetData(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() > 1)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
WideString expression;
if (params.size() >= 1)
expression = runtime->ToWideString(params[0]);
if (expression.IsEmpty()) {
pNotify->ResetData(nullptr);
return CJS_Result::Success();
}
int32_t iStart = 0;
WideString wsName;
CXFA_Node* pNode = nullptr;
int32_t iExpLength = expression.GetLength();
while (iStart < iExpLength) {
iStart = FilterName(expression.AsStringView(), iStart, wsName);
CFXJSE_Engine* pScriptContext = GetDocument()->GetScriptContext();
if (!pScriptContext)
return CJS_Result::Success();
CXFA_Object* pObject = pScriptContext->GetThisObject();
if (!pObject)
return CJS_Result::Success();
uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Parent |
XFA_RESOLVENODE_Siblings;
XFA_RESOLVENODE_RS resolveNodeRS;
bool iRet = pScriptContext->ResolveObjects(pObject, wsName.AsStringView(),
&resolveNodeRS, dwFlag, nullptr);
if (!iRet || !resolveNodeRS.objects.front()->IsNode())
continue;
pNode = resolveNodeRS.objects.front()->AsNode();
pNotify->ResetData(pNode->IsWidgetReady() ? pNode : nullptr);
}
if (!pNode)
pNotify->ResetData(nullptr);
return CJS_Result::Success();
}
CJS_Result CJX_HostPseudoModel::beep(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (!GetDocument()->GetScriptContext()->IsRunAtClient())
return CJS_Result::Success();
if (params.size() > 1)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
uint32_t dwType = 4;
if (params.size() >= 1)
dwType = runtime->ToInt32(params[0]);
pNotify->GetAppProvider()->Beep(dwType);
return CJS_Result::Success();
}
CJS_Result CJX_HostPseudoModel::setFocus(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (!GetDocument()->GetScriptContext()->IsRunAtClient())
return CJS_Result::Success();
if (params.size() != 1)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
CXFA_Node* pNode = nullptr;
if (params.size() >= 1) {
if (params[0]->IsObject()) {
pNode =
ToNode(static_cast<CFXJSE_Engine*>(runtime)->ToXFAObject(params[0]));
} else if (params[0]->IsString()) {
CFXJSE_Engine* pScriptContext = GetDocument()->GetScriptContext();
if (!pScriptContext)
return CJS_Result::Success();
CXFA_Object* pObject = pScriptContext->GetThisObject();
if (!pObject)
return CJS_Result::Success();
uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Parent |
XFA_RESOLVENODE_Siblings;
XFA_RESOLVENODE_RS resolveNodeRS;
bool iRet = pScriptContext->ResolveObjects(
pObject, runtime->ToWideString(params[0]).AsStringView(),
&resolveNodeRS, dwFlag, nullptr);
if (!iRet || !resolveNodeRS.objects.front()->IsNode())
return CJS_Result::Success();
pNode = resolveNodeRS.objects.front()->AsNode();
}
}
pNotify->SetFocusWidgetNode(pNode);
return CJS_Result::Success();
}
CJS_Result CJX_HostPseudoModel::getFocus(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
CXFA_Node* pNode = pNotify->GetFocusWidgetNode();
if (!pNode)
return CJS_Result::Success();
CFXJSE_Value* value =
GetDocument()->GetScriptContext()->GetJSValueFromMap(pNode);
if (!value)
return CJS_Result::Success(runtime->NewNull());
return CJS_Result::Success(
value->DirectGetValue().Get(runtime->GetIsolate()));
}
CJS_Result CJX_HostPseudoModel::messageBox(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (!GetDocument()->GetScriptContext()->IsRunAtClient())
return CJS_Result::Success();
if (params.empty() || params.size() > 4)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
WideString message;
if (params.size() >= 1)
message = runtime->ToWideString(params[0]);
WideString title;
if (params.size() >= 2)
title = runtime->ToWideString(params[1]);
uint32_t messageType = static_cast<uint32_t>(AlertIcon::kDefault);
if (params.size() >= 3) {
messageType = runtime->ToInt32(params[2]);
if (messageType > static_cast<uint32_t>(AlertIcon::kStatus))
messageType = static_cast<uint32_t>(AlertIcon::kDefault);
}
uint32_t buttonType = static_cast<uint32_t>(AlertButton::kDefault);
if (params.size() >= 4) {
buttonType = runtime->ToInt32(params[3]);
if (buttonType > static_cast<uint32_t>(AlertButton::kYesNoCancel))
buttonType = static_cast<uint32_t>(AlertButton::kDefault);
}
int32_t iValue = pNotify->GetAppProvider()->MsgBox(message, title,
messageType, buttonType);
return CJS_Result::Success(runtime->NewNumber(iValue));
}
CJS_Result CJX_HostPseudoModel::documentCountInBatch(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
return CJS_Result::Success(runtime->NewNumber(0));
}
CJS_Result CJX_HostPseudoModel::print(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (!GetDocument()->GetScriptContext()->IsRunAtClient())
return CJS_Result::Success();
if (params.size() != 8)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
uint32_t dwOptions = 0;
if (runtime->ToBoolean(params[0]))
dwOptions |= XFA_PRINTOPT_ShowDialog;
if (runtime->ToBoolean(params[3]))
dwOptions |= XFA_PRINTOPT_CanCancel;
if (runtime->ToBoolean(params[4]))
dwOptions |= XFA_PRINTOPT_ShrinkPage;
if (runtime->ToBoolean(params[5]))
dwOptions |= XFA_PRINTOPT_AsImage;
if (runtime->ToBoolean(params[6]))
dwOptions |= XFA_PRINTOPT_ReverseOrder;
if (runtime->ToBoolean(params[7]))
dwOptions |= XFA_PRINTOPT_PrintAnnot;
int32_t nStartPage = runtime->ToInt32(params[1]);
int32_t nEndPage = runtime->ToInt32(params[2]);
CXFA_FFDoc* hDoc = pNotify->GetHDOC();
hDoc->GetDocEnvironment()->Print(hDoc, nStartPage, nEndPage, dwOptions);
return CJS_Result::Success();
}
CJS_Result CJX_HostPseudoModel::importData(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.empty() || params.size() > 1)
return CJS_Result::Failure(JSMessage::kParamError);
return CJS_Result::Success();
}
CJS_Result CJX_HostPseudoModel::exportData(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.empty() || params.size() > 2)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
WideString filePath;
if (params.size() >= 1)
filePath = runtime->ToWideString(params[0]);
bool XDP = true;
if (params.size() >= 2)
XDP = runtime->ToBoolean(params[1]);
CXFA_FFDoc* hDoc = pNotify->GetHDOC();
hDoc->GetDocEnvironment()->ExportData(hDoc, filePath, XDP);
return CJS_Result::Success();
}
CJS_Result CJX_HostPseudoModel::pageUp(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
CXFA_FFDoc* hDoc = pNotify->GetHDOC();
int32_t nCurPage = hDoc->GetDocEnvironment()->GetCurrentPage(hDoc);
int32_t nNewPage = 0;
if (nCurPage <= 1)
return CJS_Result::Success();
nNewPage = nCurPage - 1;
hDoc->GetDocEnvironment()->SetCurrentPage(hDoc, nNewPage);
return CJS_Result::Success();
}
CJS_Result CJX_HostPseudoModel::pageDown(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
CXFA_FFDoc* hDoc = pNotify->GetHDOC();
int32_t nCurPage = hDoc->GetDocEnvironment()->GetCurrentPage(hDoc);
int32_t nPageCount = hDoc->GetDocEnvironment()->CountPages(hDoc);
if (!nPageCount || nCurPage == nPageCount)
return CJS_Result::Success();
int32_t nNewPage = 0;
if (nCurPage >= nPageCount)
nNewPage = nPageCount - 1;
else
nNewPage = nCurPage + 1;
hDoc->GetDocEnvironment()->SetCurrentPage(hDoc, nNewPage);
return CJS_Result::Success();
}