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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_eventpseudomodel.h"
#include <algorithm>
#include <vector>
#include "fxjs/fxv8.h"
#include "fxjs/xfa/cfxjse_engine.h"
#include "third_party/base/notreached.h"
#include "xfa/fxfa/cxfa_eventparam.h"
#include "xfa/fxfa/cxfa_ffnotify.h"
#include "xfa/fxfa/cxfa_ffwidgethandler.h"
#include "xfa/fxfa/parser/cscript_eventpseudomodel.h"
namespace {
void StringProperty(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pReturn,
WideString* wsValue,
bool bSetting) {
if (bSetting) {
*wsValue = fxv8::ReentrantToWideStringHelper(pIsolate, *pReturn);
return;
}
*pReturn = fxv8::NewStringHelper(pIsolate, wsValue->ToUTF8().AsStringView());
}
void IntegerProperty(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pReturn,
int32_t* iValue,
bool bSetting) {
if (bSetting) {
*iValue = fxv8::ReentrantToInt32Helper(pIsolate, *pReturn);
return;
}
*pReturn = fxv8::NewNumberHelper(pIsolate, *iValue);
}
void BooleanProperty(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pReturn,
bool* bValue,
bool bSetting) {
if (bSetting) {
*bValue = fxv8::ReentrantToBooleanHelper(pIsolate, *pReturn);
return;
}
*pReturn = fxv8::NewBooleanHelper(pIsolate, *bValue);
}
} // namespace
const CJX_MethodSpec CJX_EventPseudoModel::MethodSpecs[] = {
{"emit", emit_static},
{"reset", reset_static}};
CJX_EventPseudoModel::CJX_EventPseudoModel(CScript_EventPseudoModel* model)
: CJX_Object(model) {
DefineMethods(MethodSpecs);
}
CJX_EventPseudoModel::~CJX_EventPseudoModel() = default;
bool CJX_EventPseudoModel::DynamicTypeIs(TypeTag eType) const {
return eType == static_type__ || ParentType__::DynamicTypeIs(eType);
}
void CJX_EventPseudoModel::cancelAction(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::CancelAction, bSetting);
}
void CJX_EventPseudoModel::change(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::Change, bSetting);
}
void CJX_EventPseudoModel::commitKey(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::CommitKey, bSetting);
}
void CJX_EventPseudoModel::fullText(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::FullText, bSetting);
}
void CJX_EventPseudoModel::keyDown(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::Keydown, bSetting);
}
void CJX_EventPseudoModel::modifier(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::Modifier, bSetting);
}
void CJX_EventPseudoModel::newContentType(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::NewContentType, bSetting);
}
void CJX_EventPseudoModel::newText(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
if (bSetting)
return;
CFXJSE_Engine* pScriptContext = GetDocument()->GetScriptContext();
CXFA_EventParam* pEventParam = pScriptContext->GetEventParam();
if (!pEventParam)
return;
*pValue = fxv8::NewStringHelper(
pIsolate, pEventParam->GetNewText().ToUTF8().AsStringView());
}
void CJX_EventPseudoModel::prevContentType(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::PreviousContentType, bSetting);
}
void CJX_EventPseudoModel::prevText(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::PreviousText, bSetting);
}
void CJX_EventPseudoModel::reenter(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::Reenter, bSetting);
}
void CJX_EventPseudoModel::selEnd(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::SelectionEnd, bSetting);
}
void CJX_EventPseudoModel::selStart(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::SelectionStart, bSetting);
}
void CJX_EventPseudoModel::shift(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::Shift, bSetting);
}
void CJX_EventPseudoModel::soapFaultCode(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::SoapFaultCode, bSetting);
}
void CJX_EventPseudoModel::soapFaultString(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::SoapFaultString, bSetting);
}
void CJX_EventPseudoModel::target(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
Property(pIsolate, pValue, XFA_Event::Target, bSetting);
}
CJS_Result CJX_EventPseudoModel::emit(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
CFXJSE_Engine* pScriptContext = GetDocument()->GetScriptContext();
CXFA_EventParam* pEventParam = pScriptContext->GetEventParam();
if (!pEventParam)
return CJS_Result::Success();
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success();
CXFA_FFWidgetHandler* pWidgetHandler = pNotify->GetWidgetHandler();
if (!pWidgetHandler)
return CJS_Result::Success();
pWidgetHandler->ProcessEvent(pEventParam->m_pTarget, pEventParam);
return CJS_Result::Success();
}
CJS_Result CJX_EventPseudoModel::reset(
CFX_V8* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
CFXJSE_Engine* pScriptContext = GetDocument()->GetScriptContext();
CXFA_EventParam* pEventParam = pScriptContext->GetEventParam();
if (pEventParam)
*pEventParam = CXFA_EventParam();
return CJS_Result::Success();
}
void CJX_EventPseudoModel::Property(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
XFA_Event dwFlag,
bool bSetting) {
// Only the cancelAction, selStart, selEnd and change properties are writable.
if (bSetting && dwFlag != XFA_Event::CancelAction &&
dwFlag != XFA_Event::SelectionStart &&
dwFlag != XFA_Event::SelectionEnd && dwFlag != XFA_Event::Change) {
return;
}
CFXJSE_Engine* pScriptContext = GetDocument()->GetScriptContext();
CXFA_EventParam* pEventParam = pScriptContext->GetEventParam();
if (!pEventParam)
return;
switch (dwFlag) {
case XFA_Event::CancelAction:
BooleanProperty(pIsolate, pValue, &pEventParam->m_bCancelAction,
bSetting);
break;
case XFA_Event::Change:
StringProperty(pIsolate, pValue, &pEventParam->m_wsChange, bSetting);
break;
case XFA_Event::CommitKey:
IntegerProperty(pIsolate, pValue, &pEventParam->m_iCommitKey, bSetting);
break;
case XFA_Event::FullText:
StringProperty(pIsolate, pValue, &pEventParam->m_wsFullText, bSetting);
break;
case XFA_Event::Keydown:
BooleanProperty(pIsolate, pValue, &pEventParam->m_bKeyDown, bSetting);
break;
case XFA_Event::Modifier:
BooleanProperty(pIsolate, pValue, &pEventParam->m_bModifier, bSetting);
break;
case XFA_Event::NewContentType:
StringProperty(pIsolate, pValue, &pEventParam->m_wsNewContentType,
bSetting);
break;
case XFA_Event::NewText:
NOTREACHED();
break;
case XFA_Event::PreviousContentType:
StringProperty(pIsolate, pValue, &pEventParam->m_wsPrevContentType,
bSetting);
break;
case XFA_Event::PreviousText:
StringProperty(pIsolate, pValue, &pEventParam->m_wsPrevText, bSetting);
break;
case XFA_Event::Reenter:
BooleanProperty(pIsolate, pValue, &pEventParam->m_bReenter, bSetting);
break;
case XFA_Event::SelectionEnd:
IntegerProperty(pIsolate, pValue, &pEventParam->m_iSelEnd, bSetting);
pEventParam->m_iSelEnd = std::max(0, pEventParam->m_iSelEnd);
pEventParam->m_iSelEnd =
std::min(static_cast<size_t>(pEventParam->m_iSelEnd),
pEventParam->m_wsPrevText.GetLength());
pEventParam->m_iSelStart =
std::min(pEventParam->m_iSelStart, pEventParam->m_iSelEnd);
break;
case XFA_Event::SelectionStart:
IntegerProperty(pIsolate, pValue, &pEventParam->m_iSelStart, bSetting);
pEventParam->m_iSelStart = std::max(0, pEventParam->m_iSelStart);
pEventParam->m_iSelStart =
std::min(static_cast<size_t>(pEventParam->m_iSelStart),
pEventParam->m_wsPrevText.GetLength());
pEventParam->m_iSelEnd =
std::max(pEventParam->m_iSelStart, pEventParam->m_iSelEnd);
break;
case XFA_Event::Shift:
BooleanProperty(pIsolate, pValue, &pEventParam->m_bShift, bSetting);
break;
case XFA_Event::SoapFaultCode:
StringProperty(pIsolate, pValue, &pEventParam->m_wsSoapFaultCode,
bSetting);
break;
case XFA_Event::SoapFaultString:
StringProperty(pIsolate, pValue, &pEventParam->m_wsSoapFaultString,
bSetting);
break;
case XFA_Event::Target:
default:
break;
}
}