1 files changed, 136 insertions, 0 deletions
diff --git a/xfa/src/fxfa/parser/xfa_doclayout.h b/xfa/src/fxfa/parser/xfa_doclayout.h
new file mode 100644
index 0000000000..1ebe412078
--- /dev/null
+++ b/xfa/src/fxfa/parser/xfa_doclayout.h
@@ -0,0 +1,136 @@
+// 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_SRC_FXFA_PARSER_XFA_DOCLAYOUT_H_
+#define XFA_SRC_FXFA_PARSER_XFA_DOCLAYOUT_H_
+
+#include "xfa/src/fxfa/parser/xfa_document.h"
+
+class CXFA_ContainerLayoutItem;
+class CXFA_ContentLayoutItem;
+class IXFA_DocLayout;
+
+class IXFA_LayoutPage {
+ public:
+  virtual ~IXFA_LayoutPage() {}
+  virtual IXFA_DocLayout* GetLayout() const = 0;
+  virtual int32_t GetPageIndex() const = 0;
+  virtual void GetPageSize(CFX_SizeF& size) = 0;
+  virtual CXFA_Node* GetMasterPage() const = 0;
+};
+
+class CXFA_LayoutItem {
+ public:
+  virtual ~CXFA_LayoutItem();
+
+  FX_BOOL IsContainerLayoutItem() const { return !m_bIsContentLayoutItem; }
+  FX_BOOL IsContentLayoutItem() const { return m_bIsContentLayoutItem; }
+  inline CXFA_ContainerLayoutItem* AsContainerLayoutItem();
+  inline CXFA_ContentLayoutItem* AsContentLayoutItem();
+
+  IXFA_LayoutPage* GetPage() const;
+  CXFA_Node* GetFormNode() const;
+  void GetRect(CFX_RectF& rtLayout, FX_BOOL bRelative = FALSE) const;
+  int32_t GetIndex() const;
+  int32_t GetCount() const;
+  CXFA_LayoutItem* GetParent() const;
+  const CXFA_LayoutItem* GetFirst() const;
+  CXFA_LayoutItem* GetFirst();
+  const CXFA_LayoutItem* GetLast() const;
+  CXFA_LayoutItem* GetLast();
+  CXFA_LayoutItem* GetPrev() const;
+  CXFA_LayoutItem* GetNext() const;
+
+  void AddChild(CXFA_LayoutItem* pChildItem);
+  void AddHeadChild(CXFA_LayoutItem* pChildItem);
+  void RemoveChild(CXFA_LayoutItem* pChildItem);
+  void InsertChild(CXFA_LayoutItem* pBeforeItem, CXFA_LayoutItem* pChildItem);
+
+  CXFA_Node* m_pFormNode;
+  CXFA_LayoutItem* m_pParent;
+  CXFA_LayoutItem* m_pNextSibling;
+  CXFA_LayoutItem* m_pFirstChild;
+
+ protected:
+  CXFA_LayoutItem(CXFA_Node* pNode, FX_BOOL bIsContentLayoutItem);
+
+  FX_BOOL m_bIsContentLayoutItem;
+};
+
+class CXFA_ContainerLayoutItem : public CXFA_LayoutItem,
+                                 public IXFA_LayoutPage {
+ public:
+  CXFA_ContainerLayoutItem(CXFA_Node* pNode);
+
+  // IXFA_LayoutPage:
+  IXFA_DocLayout* GetLayout() const override;
+  int32_t GetPageIndex() const override;
+  void GetPageSize(CFX_SizeF& size) override;
+  CXFA_Node* GetMasterPage() const override;
+
+  CXFA_Node* m_pOldSubform;
+};
+
+#define XFA_WIDGETSTATUS_Access 0x80000000
+#define XFA_WIDGETSTATUS_Disabled 0x40000000
+#define XFA_WIDGETSTATUS_RectCached 0x20000000
+#define XFA_WIDGETSTATUS_ButtonDown 0x10000000
+#define XFA_WIDGETSTATUS_Highlight 0x08000000
+#define XFA_WIDGETSTATUS_TextEditValueChanged 0x04000000
+
+class CXFA_ContentLayoutItem : public CXFA_LayoutItem {
+ public:
+  CXFA_ContentLayoutItem(CXFA_Node* pNode);
+  virtual ~CXFA_ContentLayoutItem();
+
+  CXFA_ContentLayoutItem* m_pPrev;
+  CXFA_ContentLayoutItem* m_pNext;
+  CFX_PointF m_sPos;
+  CFX_SizeF m_sSize;
+  FX_DWORD m_dwStatus;
+};
+
+CXFA_ContainerLayoutItem* CXFA_LayoutItem::AsContainerLayoutItem() {
+  return IsContainerLayoutItem() ? static_cast<CXFA_ContainerLayoutItem*>(this)
+                                 : nullptr;
+}
+CXFA_ContentLayoutItem* CXFA_LayoutItem::AsContentLayoutItem() {
+  return IsContentLayoutItem() ? static_cast<CXFA_ContentLayoutItem*>(this)
+                               : nullptr;
+}
+inline CXFA_ContainerLayoutItem* ToContainerLayoutItem(CXFA_LayoutItem* pItem) {
+  return pItem ? pItem->AsContainerLayoutItem() : nullptr;
+}
+inline CXFA_ContentLayoutItem* ToContentLayoutItem(CXFA_LayoutItem* pItem) {
+  return pItem ? pItem->AsContentLayoutItem() : nullptr;
+}
+
+class CXFA_TraverseStrategy_LayoutItem {
+ public:
+  static inline CXFA_LayoutItem* GetFirstChild(CXFA_LayoutItem* pLayoutItem) {
+    return pLayoutItem->m_pFirstChild;
+  }
+  static inline CXFA_LayoutItem* GetNextSibling(CXFA_LayoutItem* pLayoutItem) {
+    return pLayoutItem->m_pNextSibling;
+  }
+  static inline CXFA_LayoutItem* GetParent(CXFA_LayoutItem* pLayoutItem) {
+    return pLayoutItem->m_pParent;
+  }
+};
+
+class IXFA_DocLayout {
+ public:
+  virtual ~IXFA_DocLayout() {}
+  virtual CXFA_Document* GetDocument() const = 0;
+  virtual int32_t StartLayout(FX_BOOL bForceRestart = FALSE) = 0;
+  virtual int32_t DoLayout(IFX_Pause* pPause = NULL) = 0;
+  virtual FX_BOOL IncrementLayout() = 0;
+  virtual int32_t CountPages() const = 0;
+  virtual IXFA_LayoutPage* GetPage(int32_t index) const = 0;
+  virtual CXFA_LayoutItem* GetLayoutItem(CXFA_Node* pFormItem) = 0;
+};
+
+#endif  // XFA_SRC_FXFA_PARSER_XFA_DOCLAYOUT_H_