xfa/fxfa/parser/cxfa_object.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70

// Copyright 2016 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 "xfa/fxfa/parser/cxfa_object.h"

#include <utility>

#include "core/fxcrt/fx_extension.h"
#include "fxjs/cfxjse_engine.h"
#include "fxjs/cfxjse_value.h"
#include "third_party/base/ptr_util.h"
#include "xfa/fxfa/cxfa_ffnotify.h"
#include "xfa/fxfa/parser/cxfa_document.h"
#include "xfa/fxfa/parser/cxfa_node.h"
#include "xfa/fxfa/parser/cxfa_treelist.h"

CXFA_Object::CXFA_Object(CXFA_Document* pDocument,
                         XFA_ObjectType objectType,
                         XFA_Element elementType,
                         const WideStringView& elementName,
                         std::unique_ptr<CJX_Object> jsObject)
    : CFXJSE_HostObject(kXFA),
      m_pDocument(pDocument),
      m_objectType(objectType),
      m_elementType(elementType),
      m_elementNameHash(FX_HashCode_GetW(elementName, false)),
      m_elementName(elementName),
      m_pJSObject(std::move(jsObject)) {}

CXFA_Object::~CXFA_Object() {}

WideString CXFA_Object::GetSOMExpression() {
  CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
  if (!pScriptContext)
    return WideString();

  return pScriptContext->GetSomExpression(ToNode(this));
}

CXFA_Node* CXFA_Object::AsNode() {
  return IsNode() ? static_cast<CXFA_Node*>(this) : nullptr;
}

CXFA_TreeList* CXFA_Object::AsTreeList() {
  return IsTreeList() ? static_cast<CXFA_TreeList*>(this) : nullptr;
}

const CXFA_Node* CXFA_Object::AsNode() const {
  return IsNode() ? static_cast<const CXFA_Node*>(this) : nullptr;
}

const CXFA_TreeList* CXFA_Object::AsTreeList() const {
  return IsTreeList() ? static_cast<const CXFA_TreeList*>(this) : nullptr;
}

void CXFA_Object::SetWidgetReady() {
  acc_ = pdfium::MakeUnique<CXFA_WidgetAcc>(AsNode());
  is_widget_ready_ = true;
}

CXFA_Node* ToNode(CXFA_Object* pObj) {
  return pObj ? pObj->AsNode() : nullptr;
}

const CXFA_Node* ToNode(const CXFA_Object* pObj) {
  return pObj ? pObj->AsNode() : nullptr;
}