summaryrefslogtreecommitdiff
path: root/xfa/fxfa/parser/xfa_layout_appadapter.h
blob: 1bae22ee327bf1d91cc6caed54b77f5286aed1e2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
// 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->GetClassID() == XFA_ELEMENT_PageSet) {
      return static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem->m_pFirstChild);
    }
    return NULL;
  }
  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_