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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_DOCLAYOUT_H_
#define XFA_FXFA_PARSER_XFA_DOCLAYOUT_H_
#include "xfa/fxfa/parser/xfa_document.h"
class CXFA_ContainerLayoutItem;
class CXFA_ContentLayoutItem;
class CXFA_LayoutProcessor;
class CXFA_LayoutItem {
public:
virtual ~CXFA_LayoutItem();
FX_BOOL IsContainerLayoutItem() const { return !m_bIsContentLayoutItem; }
FX_BOOL IsContentLayoutItem() const { return m_bIsContentLayoutItem; }
inline CXFA_ContainerLayoutItem* AsContainerLayoutItem();
inline CXFA_ContentLayoutItem* AsContentLayoutItem();
CXFA_ContainerLayoutItem* GetPage() const;
CXFA_Node* GetFormNode() const;
void GetRect(CFX_RectF& rtLayout, FX_BOOL bRelative = FALSE) const;
int32_t GetIndex() const;
int32_t GetCount() const;
CXFA_LayoutItem* GetParent() const;
const CXFA_LayoutItem* GetFirst() const;
CXFA_LayoutItem* GetFirst();
const CXFA_LayoutItem* GetLast() const;
CXFA_LayoutItem* GetLast();
CXFA_LayoutItem* GetPrev() const;
CXFA_LayoutItem* GetNext() const;
void AddChild(CXFA_LayoutItem* pChildItem);
void AddHeadChild(CXFA_LayoutItem* pChildItem);
void RemoveChild(CXFA_LayoutItem* pChildItem);
void InsertChild(CXFA_LayoutItem* pBeforeItem, CXFA_LayoutItem* pChildItem);
CXFA_Node* m_pFormNode;
CXFA_LayoutItem* m_pParent;
CXFA_LayoutItem* m_pNextSibling;
CXFA_LayoutItem* m_pFirstChild;
protected:
CXFA_LayoutItem(CXFA_Node* pNode, FX_BOOL bIsContentLayoutItem);
FX_BOOL m_bIsContentLayoutItem;
};
class CXFA_ContainerLayoutItem : public CXFA_LayoutItem {
public:
CXFA_ContainerLayoutItem(CXFA_Node* pNode);
CXFA_LayoutProcessor* GetLayout() const;
int32_t GetPageIndex() const;
void GetPageSize(CFX_SizeF& size) const;
CXFA_Node* GetMasterPage() const;
CXFA_Node* m_pOldSubform;
};
class CXFA_ContentLayoutItem : public CXFA_LayoutItem {
public:
CXFA_ContentLayoutItem(CXFA_Node* pNode);
~CXFA_ContentLayoutItem() override;
CXFA_ContentLayoutItem* m_pPrev;
CXFA_ContentLayoutItem* m_pNext;
CFX_PointF m_sPos;
CFX_SizeF m_sSize;
uint32_t m_dwStatus;
};
CXFA_ContainerLayoutItem* CXFA_LayoutItem::AsContainerLayoutItem() {
return IsContainerLayoutItem() ? static_cast<CXFA_ContainerLayoutItem*>(this)
: nullptr;
}
CXFA_ContentLayoutItem* CXFA_LayoutItem::AsContentLayoutItem() {
return IsContentLayoutItem() ? static_cast<CXFA_ContentLayoutItem*>(this)
: nullptr;
}
inline CXFA_ContainerLayoutItem* ToContainerLayoutItem(CXFA_LayoutItem* pItem) {
return pItem ? pItem->AsContainerLayoutItem() : nullptr;
}
inline CXFA_ContentLayoutItem* ToContentLayoutItem(CXFA_LayoutItem* pItem) {
return pItem ? pItem->AsContentLayoutItem() : nullptr;
}
class CXFA_TraverseStrategy_LayoutItem {
public:
static inline CXFA_LayoutItem* GetFirstChild(CXFA_LayoutItem* pLayoutItem) {
return pLayoutItem->m_pFirstChild;
}
static inline CXFA_LayoutItem* GetNextSibling(CXFA_LayoutItem* pLayoutItem) {
return pLayoutItem->m_pNextSibling;
}
static inline CXFA_LayoutItem* GetParent(CXFA_LayoutItem* pLayoutItem) {
return pLayoutItem->m_pParent;
}
};
#endif // XFA_FXFA_PARSER_XFA_DOCLAYOUT_H_
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