| // 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_ |