// 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" #include "core/fxcrt/unowned_ptr.h" class CXFA_ContainerLayoutItem; class CXFA_Document; class CXFA_ItemLayoutProcessor; class CXFA_LayoutItem; class CXFA_LayoutPageMgr; class CXFA_Node; class CXFA_LayoutProcessor { public: explicit CXFA_LayoutProcessor(CXFA_Document* pDocument); ~CXFA_LayoutProcessor(); CXFA_Document* GetDocument() const; int32_t StartLayout(bool bForceRestart); int32_t DoLayout(); 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(); UnownedPtr<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_