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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_SRC_FXFA_SRC_PARSER_XFA_LAYOUT_APPADAPTER_H_
#define XFA_SRC_FXFA_SRC_PARSER_XFA_LAYOUT_APPADAPTER_H_
#include "xfa/src/fxfa/src/common/xfa_doclayout.h"
class CXFA_TraverseStrategy_PageAreaContainerLayoutItem {
public:
static inline CXFA_ContainerLayoutItem* GetFirstChild(
CXFA_ContainerLayoutItem* pLayoutItem) {
if (pLayoutItem->m_pFormNode->GetClassID() == XFA_ELEMENT_PageSet) {
return (CXFA_ContainerLayoutItem*)pLayoutItem->m_pFirstChild;
}
return NULL;
}
static inline CXFA_ContainerLayoutItem* GetNextSibling(
CXFA_ContainerLayoutItem* pLayoutItem) {
return (CXFA_ContainerLayoutItem*)pLayoutItem->m_pNextSibling;
}
static inline CXFA_ContainerLayoutItem* GetParent(
CXFA_ContainerLayoutItem* pLayoutItem) {
return (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 (CXFA_ContainerLayoutItem*)pLayoutItem->m_pParent;
}
};
class CXFA_TraverseStrategy_ContentLayoutItem {
public:
static inline CXFA_ContentLayoutItem* GetFirstChild(
CXFA_ContentLayoutItem* pLayoutItem) {
return (CXFA_ContentLayoutItem*)pLayoutItem->m_pFirstChild;
}
static inline CXFA_ContentLayoutItem* GetNextSibling(
CXFA_ContentLayoutItem* pLayoutItem) {
return (CXFA_ContentLayoutItem*)pLayoutItem->m_pNextSibling;
}
static inline CXFA_ContentLayoutItem* GetParent(
CXFA_ContentLayoutItem* pLayoutItem) {
return (CXFA_ContentLayoutItem*)pLayoutItem->m_pParent;
}
};
FX_DWORD XFA_GetRelevant(CXFA_Node* pFormItem, FX_DWORD dwParentRelvant);
void XFA_ReleaseLayoutItem(CXFA_LayoutItem* pLayoutItem);
#endif // XFA_SRC_FXFA_SRC_PARSER_XFA_LAYOUT_APPADAPTER_H_
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