1 // Copyright 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 _FXFA_FORMFILLER_PAGEVIEW_IMP_H
8 #define _FXFA_FORMFILLER_PAGEVIEW_IMP_H
9 class CXFA_FFWidget;
10 class CXFA_FFDocView;
11 class CXFA_FFPageView : public CXFA_ContainerLayoutItem, public IXFA_PageView {
12  public:
13   CXFA_FFPageView(CXFA_FFDocView* pDocView, CXFA_Node* pPageArea);
14   ~CXFA_FFPageView() override;
15 
16   // IFXA_PageView:
17   IXFA_DocView* GetDocView() override;
18   int32_t GetPageViewIndex() override;
19   void GetPageViewRect(CFX_RectF& rtPage) override;
20   void GetDisplayMatrix(CFX_Matrix& mt,
21                         const CFX_Rect& rtDisp,
22                         int32_t iRotate) override;
23   int32_t LoadPageView(IFX_Pause* pPause = NULL) override;
24   void UnloadPageView() override;
25   IXFA_Widget* GetWidgetByPos(FX_FLOAT fx, FX_FLOAT fy) override;
26   IXFA_WidgetIterator* CreateWidgetIterator(
27       FX_DWORD dwTraverseWay = XFA_TRAVERSEWAY_Form,
28       FX_DWORD dwWidgetFilter = XFA_WIDGETFILTER_Visible |
29                                 XFA_WIDGETFILTER_Viewable |
30                                 XFA_WIDGETFILTER_AllType) override;
31 
32   FX_BOOL IsPageViewLoaded();
33 
34  protected:
35   CXFA_FFDocView* m_pDocView;
36   FX_BOOL m_bLoaded;
37 };
38 typedef CXFA_NodeIteratorTemplate<CXFA_LayoutItem,
39                                   CXFA_TraverseStrategy_LayoutItem>
40     CXFA_LayoutItemIterator;
41 class CXFA_FFPageWidgetIterator : public IXFA_WidgetIterator {
42  public:
43   CXFA_FFPageWidgetIterator(CXFA_FFPageView* pPageView, FX_DWORD dwFilter);
44   virtual ~CXFA_FFPageWidgetIterator();
Release()45   virtual void Release() { delete this; }
46 
47   virtual void Reset();
48   virtual IXFA_Widget* MoveToFirst();
49   virtual IXFA_Widget* MoveToLast();
50   virtual IXFA_Widget* MoveToNext();
51   virtual IXFA_Widget* MoveToPrevious();
52   virtual IXFA_Widget* GetCurrentWidget();
53   virtual FX_BOOL SetCurrentWidget(IXFA_Widget* hWidget);
54 
55  protected:
56   IXFA_Widget* GetWidget(CXFA_LayoutItem* pLayoutItem);
57   CXFA_FFPageView* m_pPageView;
58   IXFA_Widget* m_hCurWidget;
59   FX_DWORD m_dwFilter;
60   FX_BOOL m_bIgnorerelevant;
61   CXFA_LayoutItemIterator m_sIterator;
62 };
63 typedef CFX_ArrayTemplate<CXFA_FFWidget*> CXFA_WidgetArray;
64 class CXFA_TabParam {
65  public:
CXFA_TabParam()66   CXFA_TabParam() : m_pWidget(NULL) {}
~CXFA_TabParam()67   ~CXFA_TabParam() {}
68 
69   CXFA_FFWidget* m_pWidget;
70   CXFA_WidgetArray m_Children;
71 };
72 class CXFA_FFTabOrderPageWidgetIterator : public IXFA_WidgetIterator {
73  public:
74   CXFA_FFTabOrderPageWidgetIterator(CXFA_FFPageView* pPageView,
75                                     FX_DWORD dwFilter);
76   virtual ~CXFA_FFTabOrderPageWidgetIterator();
77 
78   virtual void Release();
79 
80   virtual void Reset();
81   virtual IXFA_Widget* MoveToFirst();
82   virtual IXFA_Widget* MoveToLast();
83   virtual IXFA_Widget* MoveToNext();
84   virtual IXFA_Widget* MoveToPrevious();
85   virtual IXFA_Widget* GetCurrentWidget();
86   virtual FX_BOOL SetCurrentWidget(IXFA_Widget* hWidget);
87 
88  protected:
89   CXFA_WidgetArray m_TabOrderWidgetArray;
90   CXFA_FFPageView* m_pPageView;
91   FX_DWORD m_dwFilter;
92   int32_t m_iCurWidget;
93   FX_BOOL m_bIgnorerelevant;
94   CXFA_FFWidget* GetTraverseWidget(CXFA_FFWidget* pWidget);
95   CXFA_FFWidget* FindWidgetByName(const CFX_WideStringC& wsWidgetName,
96                                   CXFA_FFWidget* pRefWidget);
97   void CreateTabOrderWidgetArray();
98   void CreateSpaceOrderWidgetArray(CXFA_WidgetArray& WidgetArray);
99   CXFA_FFWidget* GetWidget(CXFA_LayoutItem* pLayoutItem);
100   void OrderContainer(CXFA_LayoutItemIterator* sIterator,
101                       CXFA_LayoutItem* pContainerItem,
102                       CXFA_TabParam* pContainer,
103                       FX_BOOL& bCurrentItem,
104                       FX_BOOL& bContentArea,
105                       FX_BOOL bMarsterPage = FALSE);
106 };
107 #endif
108