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// Copyright 2014 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
#ifndef XFA_FXFA_PARSER_XFA_LAYOUT_APPADAPTER_H_
#define XFA_FXFA_PARSER_XFA_LAYOUT_APPADAPTER_H_
#include "xfa/fxfa/parser/xfa_doclayout.h"
class CXFA_TraverseStrategy_PageAreaContainerLayoutItem {
public:
static inline CXFA_ContainerLayoutItem* GetFirstChild(
CXFA_ContainerLayoutItem* pLayoutItem) {
if (pLayoutItem->m_pFormNode->GetElementType() == XFA_Element::PageSet) {
return static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem->m_pFirstChild);
}
return nullptr;
}
static inline CXFA_ContainerLayoutItem* GetNextSibling(
CXFA_ContainerLayoutItem* pLayoutItem) {
return (CXFA_ContainerLayoutItem*)pLayoutItem->m_pNextSibling;
}
static inline CXFA_ContainerLayoutItem* GetParent(
CXFA_ContainerLayoutItem* pLayoutItem) {
return static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem->m_pParent);
}
};
class CXFA_TraverseStrategy_ContentAreaContainerLayoutItem {
public:
static inline CXFA_ContainerLayoutItem* GetFirstChild(
CXFA_ContainerLayoutItem* pLayoutItem) {
for (CXFA_LayoutItem* pChildItem = pLayoutItem->m_pFirstChild; pChildItem;
pChildItem = pChildItem->m_pNextSibling) {
if (CXFA_ContainerLayoutItem* pContainer =
pChildItem->AsContainerLayoutItem()) {
return pContainer;
}
}
return nullptr;
}
static inline CXFA_ContainerLayoutItem* GetNextSibling(
CXFA_ContainerLayoutItem* pLayoutItem) {
for (CXFA_LayoutItem* pChildItem = pLayoutItem->m_pNextSibling; pChildItem;
pChildItem = pChildItem->m_pNextSibling) {
if (CXFA_ContainerLayoutItem* pContainer =
pChildItem->AsContainerLayoutItem()) {
return pContainer;
}
}
return nullptr;
}
static inline CXFA_ContainerLayoutItem* GetParent(
CXFA_ContainerLayoutItem* pLayoutItem) {
return static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem->m_pParent);
}
};
class CXFA_TraverseStrategy_ContentLayoutItem {
public:
static inline CXFA_ContentLayoutItem* GetFirstChild(
CXFA_ContentLayoutItem* pLayoutItem) {
return static_cast<CXFA_ContentLayoutItem*>(pLayoutItem->m_pFirstChild);
}
static inline CXFA_ContentLayoutItem* GetNextSibling(
CXFA_ContentLayoutItem* pLayoutItem) {
return static_cast<CXFA_ContentLayoutItem*>(pLayoutItem->m_pNextSibling);
}
static inline CXFA_ContentLayoutItem* GetParent(
CXFA_ContentLayoutItem* pLayoutItem) {
return static_cast<CXFA_ContentLayoutItem*>(pLayoutItem->m_pParent);
}
};
void XFA_ReleaseLayoutItem(CXFA_LayoutItem* pLayoutItem);
#endif // XFA_FXFA_PARSER_XFA_LAYOUT_APPADAPTER_H_
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