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      1 // Copyrig 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #ifndef XFA_FXFA_XFA_FFPAGEVIEW_H_
      8 #define XFA_FXFA_XFA_FFPAGEVIEW_H_
      9 
     10 #include <vector>
     11 
     12 #include "xfa/fxfa/parser/cxfa_containerlayoutitem.h"
     13 #include "xfa/fxfa/parser/cxfa_contentlayoutitem.h"
     14 #include "xfa/fxfa/parser/cxfa_traversestrategy_layoutitem.h"
     15 
     16 class CXFA_FFWidget;
     17 class CXFA_FFDocView;
     18 
     19 class CXFA_FFPageView : public CXFA_ContainerLayoutItem {
     20  public:
     21   CXFA_FFPageView(CXFA_FFDocView* pDocView, CXFA_Node* pPageArea);
     22   ~CXFA_FFPageView() override;
     23 
     24   CXFA_FFDocView* GetDocView() const;
     25   CFX_RectF GetPageViewRect() const;
     26   CFX_Matrix GetDisplayMatrix(const CFX_Rect& rtDisp, int32_t iRotate) const;
     27   IXFA_WidgetIterator* CreateWidgetIterator(
     28       uint32_t dwTraverseWay = XFA_TRAVERSEWAY_Form,
     29       uint32_t dwWidgetFilter = XFA_WidgetStatus_Visible |
     30                                 XFA_WidgetStatus_Viewable);
     31 
     32  protected:
     33   CXFA_FFDocView* const m_pDocView;
     34 };
     35 
     36 typedef CXFA_NodeIteratorTemplate<CXFA_LayoutItem,
     37                                   CXFA_TraverseStrategy_LayoutItem>
     38     CXFA_LayoutItemIterator;
     39 
     40 class CXFA_FFPageWidgetIterator : public IXFA_WidgetIterator {
     41  public:
     42   CXFA_FFPageWidgetIterator(CXFA_FFPageView* pPageView, uint32_t dwFilter);
     43   ~CXFA_FFPageWidgetIterator() override;
     44 
     45   void Reset() override;
     46   CXFA_FFWidget* MoveToFirst() override;
     47   CXFA_FFWidget* MoveToLast() override;
     48   CXFA_FFWidget* MoveToNext() override;
     49   CXFA_FFWidget* MoveToPrevious() override;
     50   CXFA_FFWidget* GetCurrentWidget() override;
     51   bool SetCurrentWidget(CXFA_FFWidget* hWidget) override;
     52 
     53  protected:
     54   CXFA_FFWidget* GetWidget(CXFA_LayoutItem* pLayoutItem);
     55 
     56   CXFA_FFPageView* m_pPageView;
     57   CXFA_FFWidget* m_hCurWidget;
     58   uint32_t m_dwFilter;
     59   bool m_bIgnorerelevant;
     60   CXFA_LayoutItemIterator m_sIterator;
     61 };
     62 
     63 class CXFA_TabParam {
     64  public:
     65   CXFA_TabParam();
     66   ~CXFA_TabParam();
     67 
     68   CXFA_FFWidget* m_pWidget;
     69   std::vector<CXFA_FFWidget*> m_Children;
     70 };
     71 
     72 class CXFA_FFTabOrderPageWidgetIterator : public IXFA_WidgetIterator {
     73  public:
     74   CXFA_FFTabOrderPageWidgetIterator(CXFA_FFPageView* pPageView,
     75                                     uint32_t dwFilter);
     76   ~CXFA_FFTabOrderPageWidgetIterator() override;
     77 
     78   void Reset() override;
     79   CXFA_FFWidget* MoveToFirst() override;
     80   CXFA_FFWidget* MoveToLast() override;
     81   CXFA_FFWidget* MoveToNext() override;
     82   CXFA_FFWidget* MoveToPrevious() override;
     83   CXFA_FFWidget* GetCurrentWidget() override;
     84   bool SetCurrentWidget(CXFA_FFWidget* hWidget) override;
     85 
     86  protected:
     87   CXFA_FFWidget* GetTraverseWidget(CXFA_FFWidget* pWidget);
     88   CXFA_FFWidget* FindWidgetByName(const CFX_WideString& wsWidgetName,
     89                                   CXFA_FFWidget* pRefWidget);
     90   void CreateTabOrderWidgetArray();
     91   void CreateSpaceOrderWidgetArray(std::vector<CXFA_FFWidget*>* WidgetArray);
     92   CXFA_FFWidget* GetWidget(CXFA_LayoutItem* pLayoutItem);
     93   void OrderContainer(CXFA_LayoutItemIterator* sIterator,
     94                       CXFA_LayoutItem* pContainerItem,
     95                       CXFA_TabParam* pContainer,
     96                       bool& bCurrentItem,
     97                       bool& bContentArea,
     98                       bool bMarsterPage = false);
     99 
    100   std::vector<CXFA_FFWidget*> m_TabOrderWidgetArray;
    101   CXFA_FFPageView* m_pPageView;
    102   uint32_t m_dwFilter;
    103   int32_t m_iCurWidget;
    104   bool m_bIgnorerelevant;
    105 };
    106 
    107 #endif  // XFA_FXFA_XFA_FFPAGEVIEW_H_
    108