| // 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_XFA_LAYOUT_APPADAPTER_H_ |
| #define XFA_FXFA_PARSER_XFA_LAYOUT_APPADAPTER_H_ |
| |
| #include "xfa/fxfa/parser/xfa_doclayout.h" |
| |
| class CXFA_TraverseStrategy_PageAreaContainerLayoutItem { |
| public: |
| static inline CXFA_ContainerLayoutItem* GetFirstChild( |
| CXFA_ContainerLayoutItem* pLayoutItem) { |
| if (pLayoutItem->m_pFormNode->GetElementType() == XFA_Element::PageSet) { |
| return static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem->m_pFirstChild); |
| } |
| return nullptr; |
| } |
| static inline CXFA_ContainerLayoutItem* GetNextSibling( |
| CXFA_ContainerLayoutItem* pLayoutItem) { |
| return (CXFA_ContainerLayoutItem*)pLayoutItem->m_pNextSibling; |
| } |
| static inline CXFA_ContainerLayoutItem* GetParent( |
| CXFA_ContainerLayoutItem* pLayoutItem) { |
| return static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem->m_pParent); |
| } |
| }; |
| |
| class CXFA_TraverseStrategy_ContentAreaContainerLayoutItem { |
| public: |
| static inline CXFA_ContainerLayoutItem* GetFirstChild( |
| CXFA_ContainerLayoutItem* pLayoutItem) { |
| for (CXFA_LayoutItem* pChildItem = pLayoutItem->m_pFirstChild; pChildItem; |
| pChildItem = pChildItem->m_pNextSibling) { |
| if (CXFA_ContainerLayoutItem* pContainer = |
| pChildItem->AsContainerLayoutItem()) { |
| return pContainer; |
| } |
| } |
| return nullptr; |
| } |
| static inline CXFA_ContainerLayoutItem* GetNextSibling( |
| CXFA_ContainerLayoutItem* pLayoutItem) { |
| for (CXFA_LayoutItem* pChildItem = pLayoutItem->m_pNextSibling; pChildItem; |
| pChildItem = pChildItem->m_pNextSibling) { |
| if (CXFA_ContainerLayoutItem* pContainer = |
| pChildItem->AsContainerLayoutItem()) { |
| return pContainer; |
| } |
| } |
| return nullptr; |
| } |
| static inline CXFA_ContainerLayoutItem* GetParent( |
| CXFA_ContainerLayoutItem* pLayoutItem) { |
| return static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem->m_pParent); |
| } |
| }; |
| |
| class CXFA_TraverseStrategy_ContentLayoutItem { |
| public: |
| static inline CXFA_ContentLayoutItem* GetFirstChild( |
| CXFA_ContentLayoutItem* pLayoutItem) { |
| return static_cast<CXFA_ContentLayoutItem*>(pLayoutItem->m_pFirstChild); |
| } |
| static inline CXFA_ContentLayoutItem* GetNextSibling( |
| CXFA_ContentLayoutItem* pLayoutItem) { |
| return static_cast<CXFA_ContentLayoutItem*>(pLayoutItem->m_pNextSibling); |
| } |
| static inline CXFA_ContentLayoutItem* GetParent( |
| CXFA_ContentLayoutItem* pLayoutItem) { |
| return static_cast<CXFA_ContentLayoutItem*>(pLayoutItem->m_pParent); |
| } |
| }; |
| |
| void XFA_ReleaseLayoutItem(CXFA_LayoutItem* pLayoutItem); |
| |
| #endif // XFA_FXFA_PARSER_XFA_LAYOUT_APPADAPTER_H_ |