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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_CXFA_LAYOUTPAGEMGR_H_
#define XFA_FXFA_PARSER_CXFA_LAYOUTPAGEMGR_H_
#include "xfa/fxfa/parser/xfa_layout_itemlayout.h"
class CXFA_ContainerRecord;
class CXFA_LayoutItem;
class CXFA_LayoutPageMgr {
public:
CXFA_LayoutPageMgr(CXFA_LayoutProcessor* pLayoutProcessor);
~CXFA_LayoutPageMgr();
FX_BOOL InitLayoutPage(CXFA_Node* pFormNode);
FX_BOOL PrepareFirstPage(CXFA_Node* pRootSubform);
FX_FLOAT GetAvailHeight();
FX_BOOL GetNextAvailContentHeight(FX_FLOAT fChildHeight);
void SubmitContentItem(CXFA_ContentLayoutItem* pContentLayoutItem,
XFA_ItemLayoutProcessorResult eStatus);
void FinishPaginatedPageSets();
void SyncLayoutData();
int32_t GetPageCount() const;
CXFA_ContainerLayoutItem* GetPage(int32_t index) const;
int32_t GetPageIndex(const CXFA_ContainerLayoutItem* pPage) const;
inline CXFA_ContainerLayoutItem* GetRootLayoutItem() const {
return m_pPageSetLayoutItemRoot;
}
FX_BOOL ProcessBreakBeforeOrAfter(CXFA_Node* pBreakNode,
FX_BOOL bBefore,
CXFA_Node*& pBreakLeaderNode,
CXFA_Node*& pBreakTrailerNode,
FX_BOOL& bCreatePage);
FX_BOOL ProcessOverflow(CXFA_Node* pFormNode,
CXFA_Node*& pLeaderNode,
CXFA_Node*& pTrailerNode,
FX_BOOL bDataMerge = FALSE,
FX_BOOL bCreatePage = TRUE);
CXFA_Node* QueryOverflow(CXFA_Node* pFormNode,
CXFA_LayoutContext* pLayoutContext = nullptr);
FX_BOOL ProcessBookendLeaderOrTrailer(CXFA_Node* pBookendNode,
FX_BOOL bLeader,
CXFA_Node*& pBookendAppendNode);
CXFA_LayoutItem* FindOrCreateLayoutItem(CXFA_Node* pFormNode);
protected:
FX_BOOL AppendNewPage(FX_BOOL bFirstTemPage = FALSE);
void ReorderPendingLayoutRecordToTail(CXFA_ContainerRecord* pNewRecord,
CXFA_ContainerRecord* pPrevRecord);
void RemoveLayoutRecord(CXFA_ContainerRecord* pNewRecord,
CXFA_ContainerRecord* pPrevRecord);
inline CXFA_ContainerRecord* GetCurrentContainerRecord() {
CXFA_ContainerRecord* result =
((CXFA_ContainerRecord*)m_rgProposedContainerRecord.GetAt(
m_pCurrentContainerRecord));
ASSERT(result);
return result;
}
CXFA_ContainerRecord* CreateContainerRecord(CXFA_Node* pPageNode = nullptr,
FX_BOOL bCreateNew = FALSE);
void AddPageAreaLayoutItem(CXFA_ContainerRecord* pNewRecord,
CXFA_Node* pNewPageArea);
void AddContentAreaLayoutItem(CXFA_ContainerRecord* pNewRecord,
CXFA_Node* pContentArea);
FX_BOOL RunBreak(XFA_Element eBreakType,
XFA_ATTRIBUTEENUM eTargetType,
CXFA_Node* pTarget,
FX_BOOL bStartNew);
CXFA_Node* BreakOverflow(CXFA_Node* pOverflowNode,
CXFA_Node*& pLeaderTemplate,
CXFA_Node*& pTrailerTemplate,
FX_BOOL bCreatePage = TRUE);
FX_BOOL ResolveBookendLeaderOrTrailer(CXFA_Node* pBookendNode,
FX_BOOL bLeader,
CXFA_Node*& pBookendAppendTemplate);
FX_BOOL ExecuteBreakBeforeOrAfter(CXFA_Node* pCurNode,
FX_BOOL bBefore,
CXFA_Node*& pBreakLeaderTemplate,
CXFA_Node*& pBreakTrailerTemplate);
int32_t CreateMinPageRecord(CXFA_Node* pPageArea,
FX_BOOL bTargetPageArea,
FX_BOOL bCreateLast = FALSE);
void CreateMinPageSetRecord(CXFA_Node* pPageSet, FX_BOOL bCreateAll = FALSE);
void CreateNextMinRecord(CXFA_Node* pRecordNode);
FX_BOOL FindPageAreaFromPageSet(CXFA_Node* pPageSet,
CXFA_Node* pStartChild,
CXFA_Node* pTargetPageArea = nullptr,
CXFA_Node* pTargetContentArea = nullptr,
FX_BOOL bNewPage = FALSE,
FX_BOOL bQuery = FALSE);
FX_BOOL FindPageAreaFromPageSet_Ordered(
CXFA_Node* pPageSet,
CXFA_Node* pStartChild,
CXFA_Node* pTargetPageArea = nullptr,
CXFA_Node* pTargetContentArea = nullptr,
FX_BOOL bNewPage = FALSE,
FX_BOOL bQuery = FALSE);
FX_BOOL FindPageAreaFromPageSet_SimplexDuplex(
CXFA_Node* pPageSet,
CXFA_Node* pStartChild,
CXFA_Node* pTargetPageArea = nullptr,
CXFA_Node* pTargetContentArea = nullptr,
FX_BOOL bNewPage = FALSE,
FX_BOOL bQuery = FALSE,
XFA_ATTRIBUTEENUM ePreferredPosition = XFA_ATTRIBUTEENUM_First);
FX_BOOL MatchPageAreaOddOrEven(CXFA_Node* pPageArea, FX_BOOL bLastMatch);
CXFA_Node* GetNextAvailPageArea(CXFA_Node* pTargetPageArea,
CXFA_Node* pTargetContentArea = nullptr,
FX_BOOL bNewPage = FALSE,
FX_BOOL bQuery = FALSE);
FX_BOOL GetNextContentArea(CXFA_Node* pTargetContentArea);
void InitPageSetMap();
void ProcessLastPageSet();
inline FX_BOOL IsPageSetRootOrderedOccurrence() {
return m_ePageSetMode == XFA_ATTRIBUTEENUM_OrderedOccurrence;
}
void ClearData();
void ClearRecordList();
void MergePageSetContents();
void LayoutPageSetContents();
void PrepareLayout();
void SaveLayoutItem(CXFA_LayoutItem* pParentLayoutItem);
CXFA_LayoutProcessor* m_pLayoutProcessor;
CXFA_Node* m_pTemplatePageSetRoot;
CXFA_ContainerLayoutItem* m_pPageSetLayoutItemRoot;
CXFA_ContainerLayoutItem* m_pPageSetCurRoot;
FX_POSITION m_pCurrentContainerRecord;
CFX_PtrList m_rgProposedContainerRecord;
CXFA_Node* m_pCurPageArea;
int32_t m_nAvailPages;
int32_t m_nCurPageCount;
XFA_ATTRIBUTEENUM m_ePageSetMode;
FX_BOOL m_bCreateOverFlowPage;
CFX_MapPtrTemplate<CXFA_Node*, int32_t> m_pPageSetMap;
CFX_ArrayTemplate<CXFA_ContainerLayoutItem*> m_PageArray;
};
#endif // XFA_FXFA_PARSER_CXFA_LAYOUTPAGEMGR_H_
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