cxfa_event.cpp

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// Copyright 2017 The PDFium Authors
// 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 "xfa/fxfa/parser/cxfa_event.h"
 
#include "fxjs/xfa/cjx_node.h"
#include "xfa/fxfa/parser/cxfa_document.h"
#include "xfa/fxfa/parser/cxfa_script.h"
#include "xfa/fxfa/parser/cxfa_submit.h"
 
namespace {
 
const CXFA_Node::PropertyData kEventPropertyData[] = {
    {XFA_Element::Execute, 1, XFA_PropertyFlag::kOneOf},
    {XFA_Element::Script, 1, XFA_PropertyFlag::kOneOf},
    {XFA_Element::SignData, 1, XFA_PropertyFlag::kOneOf},
    {XFA_Element::Extras, 1, {}},
    {XFA_Element::Submit, 1, XFA_PropertyFlag::kOneOf},
};
 
const CXFA_Node::AttributeData kEventAttributeData[] = {
    {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr},
    {XFA_Attribute::Name, XFA_AttributeType::CData, nullptr},
    {XFA_Attribute::Ref, XFA_AttributeType::CData, nullptr},
    {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr},
    {XFA_Attribute::Listen, XFA_AttributeType::Enum,
     (void*)XFA_AttributeValue::RefOnly},
    {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr},
    {XFA_Attribute::Activity, XFA_AttributeType::Enum,
     (void*)XFA_AttributeValue::Click},
};
 
}  // namespace
 
CXFA_Event::CXFA_Event(CXFA_Document* doc, XFA_PacketType packet)
    : CXFA_Node(doc,
                packet,
                {XFA_XDPPACKET::kTemplate, XFA_XDPPACKET::kForm},
                XFA_ObjectType::Node,
                XFA_Element::Event,
                kEventPropertyData,
                kEventAttributeData,
                cppgc::MakeGarbageCollected<CJX_Node>(
                    doc->GetHeap()->GetAllocationHandle(),
                    this)) {}
 
CXFA_Event::~CXFA_Event() = default;
 
XFA_AttributeValue CXFA_Event::GetActivity() {
  return JSObject()->GetEnum(XFA_Attribute::Activity);
}
 
XFA_Element CXFA_Event::GetEventType() const {
  CXFA_Node* pChild = GetFirstChild();
  while (pChild) {
    XFA_Element eType = pChild->GetElementType();
    if (eType != XFA_Element::Extras)
      return eType;
 
    pChild = pChild->GetNextSibling();
  }
  return XFA_Element::Unknown;
}
 
WideString CXFA_Event::GetRef() {
  return JSObject()->GetCData(XFA_Attribute::Ref);
}
 
CXFA_Script* CXFA_Event::GetScriptIfExists() {
  return GetChild<CXFA_Script>(0, XFA_Element::Script, false);
}
 
#ifdef PDF_XFA_ELEMENT_SUBMIT_ENABLED
CXFA_Submit* CXFA_Event::GetSubmitIfExists() {
  return GetChild<CXFA_Submit>(0, XFA_Element::Submit, false);
}
#endif  // PDF_XFA_ELEMENT_SUBMIT_ENABLED