| // 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_attachnodelist.h" |
| |
| #include "third_party/base/numerics/safe_conversions.h" |
| #include "xfa/fxfa/parser/cxfa_node.h" |
| |
| CXFA_AttachNodeList::CXFA_AttachNodeList(CXFA_Document* pDocument, |
| CXFA_Node* pAttachNode) |
| : CXFA_TreeList(pDocument), m_pAttachNode(pAttachNode) {} |
| |
| CXFA_AttachNodeList::~CXFA_AttachNodeList() = default; |
| |
| void CXFA_AttachNodeList::Trace(cppgc::Visitor* visitor) const { |
| CXFA_TreeList::Trace(visitor); |
| visitor->Trace(m_pAttachNode); |
| } |
| |
| size_t CXFA_AttachNodeList::GetLength() { |
| return m_pAttachNode->CountChildren( |
| XFA_Element::Unknown, |
| m_pAttachNode->GetElementType() == XFA_Element::Subform); |
| } |
| |
| void CXFA_AttachNodeList::Append(CXFA_Node* pNode) { |
| CXFA_Node* pParent = pNode->GetParent(); |
| if (pParent) |
| pParent->RemoveChildAndNotify(pNode, true); |
| |
| m_pAttachNode->InsertChildAndNotify(pNode, nullptr); |
| } |
| |
| bool CXFA_AttachNodeList::Insert(CXFA_Node* pNewNode, CXFA_Node* pBeforeNode) { |
| if (pBeforeNode && pBeforeNode->GetParent() != m_pAttachNode) |
| return false; |
| |
| CXFA_Node* pParent = pNewNode->GetParent(); |
| if (pParent) |
| pParent->RemoveChildAndNotify(pNewNode, true); |
| |
| m_pAttachNode->InsertChildAndNotify(pNewNode, pBeforeNode); |
| return true; |
| } |
| |
| void CXFA_AttachNodeList::Remove(CXFA_Node* pNode) { |
| m_pAttachNode->RemoveChildAndNotify(pNode, true); |
| } |
| |
| CXFA_Node* CXFA_AttachNodeList::Item(size_t index) { |
| return m_pAttachNode->GetChild<CXFA_Node>( |
| index, XFA_Element::Unknown, |
| m_pAttachNode->GetElementType() == XFA_Element::Subform); |
| } |