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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_LAYOUT_CXFA_LAYOUTPROCESSOR_H_
#define XFA_FXFA_LAYOUT_CXFA_LAYOUTPROCESSOR_H_
#include <memory>
#include <vector>
#include "core/fxcrt/fx_system.h"
#include "core/fxcrt/unowned_ptr.h"
#include "xfa/fxfa/parser/cxfa_document.h"
class CXFA_ContentLayoutProcessor;
class CXFA_LayoutItem;
class CXFA_Node;
class CXFA_ViewLayoutItem;
class CXFA_ViewLayoutProcessor;
class CXFA_LayoutProcessor : public CXFA_Document::LayoutProcessorIface {
public:
static CXFA_LayoutProcessor* FromDocument(const CXFA_Document* pXFADoc);
CXFA_LayoutProcessor();
~CXFA_LayoutProcessor() override;
// CXFA_Document::LayoutProcessorIface:
void SetForceRelayout(bool bForceRestart) override;
void AddChangedContainer(CXFA_Node* pContainer) override;
int32_t StartLayout(bool bForceRestart);
int32_t DoLayout();
bool IncrementLayout();
int32_t CountPages() const;
CXFA_ViewLayoutItem* GetPage(int32_t index) const;
CXFA_LayoutItem* GetLayoutItem(CXFA_Node* pFormItem);
CXFA_ContentLayoutProcessor* GetRootContentLayoutProcessor() const {
return m_pContentLayoutProcessor.get();
}
CXFA_ViewLayoutProcessor* GetLayoutPageMgr() const {
return m_pViewLayoutProcessor.get();
}
private:
bool NeedLayout() const;
std::unique_ptr<CXFA_ViewLayoutProcessor> m_pViewLayoutProcessor;
std::unique_ptr<CXFA_ContentLayoutProcessor> m_pContentLayoutProcessor;
std::vector<CXFA_Node*> m_rgChangedContainers;
uint32_t m_nProgressCounter = 0;
bool m_bNeedLayout = true;
};
#endif // XFA_FXFA_LAYOUT_CXFA_LAYOUTPROCESSOR_H_
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