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// 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
#ifndef XFA_FXFA_PARSER_CXFA_LAYOUTPROCESSOR_H_
#define XFA_FXFA_PARSER_CXFA_LAYOUTPROCESSOR_H_
#include <memory>
#include <vector>
#include "core/fxcrt/fx_system.h"
class CXFA_ContainerLayoutItem;
class CXFA_Document;
class CXFA_ItemLayoutProcessor;
class CXFA_LayoutItem;
class CXFA_LayoutPageMgr;
class CXFA_Node;
class IFX_Pause;
class CXFA_LayoutProcessor {
public:
explicit CXFA_LayoutProcessor(CXFA_Document* pDocument);
~CXFA_LayoutProcessor();
CXFA_Document* GetDocument() const;
int32_t StartLayout(bool bForceRestart = false);
int32_t DoLayout(IFX_Pause* pPause = nullptr);
bool IncrementLayout();
int32_t CountPages() const;
CXFA_ContainerLayoutItem* GetPage(int32_t index) const;
CXFA_LayoutItem* GetLayoutItem(CXFA_Node* pFormItem);
void AddChangedContainer(CXFA_Node* pContainer);
void SetForceReLayout(bool bForceRestart) { m_bNeedLayout = bForceRestart; }
CXFA_ContainerLayoutItem* GetRootLayoutItem() const;
CXFA_ItemLayoutProcessor* GetRootRootItemLayoutProcessor() const {
return m_pRootItemLayoutProcessor.get();
}
CXFA_LayoutPageMgr* GetLayoutPageMgr() const {
return m_pLayoutPageMgr.get();
}
private:
bool IsNeedLayout();
CXFA_Document* const m_pDocument;
std::unique_ptr<CXFA_ItemLayoutProcessor> m_pRootItemLayoutProcessor;
std::unique_ptr<CXFA_LayoutPageMgr> m_pLayoutPageMgr;
std::vector<CXFA_Node*> m_rgChangedContainers;
uint32_t m_nProgressCounter;
bool m_bNeedLayout;
};
#endif // XFA_FXFA_PARSER_CXFA_LAYOUTPROCESSOR_H_
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