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 XFA_FXFA_INCLUDE_XFA_FFDOCVIEW_H_ 8 #define XFA_FXFA_INCLUDE_XFA_FFDOCVIEW_H_ 9 10 #include <map> 11 #include <memory> 12 13 #include "xfa/fxfa/include/cxfa_eventparam.h" 14 #include "xfa/fxfa/include/xfa_ffdoc.h" 15 16 class CXFA_FFWidgetHandler; 17 class CXFA_FFDoc; 18 class CXFA_FFWidget; 19 class CXFA_WidgetAccIterator; 20 21 extern const XFA_ATTRIBUTEENUM gs_EventActivity[]; 22 enum XFA_DOCVIEW_LAYOUTSTATUS { 23 XFA_DOCVIEW_LAYOUTSTATUS_None, 24 XFA_DOCVIEW_LAYOUTSTATUS_Start, 25 XFA_DOCVIEW_LAYOUTSTATUS_FormInitialize, 26 XFA_DOCVIEW_LAYOUTSTATUS_FormInitCalculate, 27 XFA_DOCVIEW_LAYOUTSTATUS_FormInitValidate, 28 XFA_DOCVIEW_LAYOUTSTATUS_FormFormReady, 29 XFA_DOCVIEW_LAYOUTSTATUS_Doing, 30 XFA_DOCVIEW_LAYOUTSTATUS_PagesetInitialize, 31 XFA_DOCVIEW_LAYOUTSTATUS_PagesetInitCalculate, 32 XFA_DOCVIEW_LAYOUTSTATUS_PagesetInitValidate, 33 XFA_DOCVIEW_LAYOUTSTATUS_PagesetFormReady, 34 XFA_DOCVIEW_LAYOUTSTATUS_LayoutReady, 35 XFA_DOCVIEW_LAYOUTSTATUS_DocReady, 36 XFA_DOCVIEW_LAYOUTSTATUS_End 37 }; 38 class CXFA_FFDocView { 39 public: 40 CXFA_FFDocView(CXFA_FFDoc* pDoc); 41 ~CXFA_FFDocView(); 42 GetDoc()43 CXFA_FFDoc* GetDoc() { return m_pDoc; } 44 int32_t StartLayout(int32_t iStartPage = 0); 45 int32_t DoLayout(IFX_Pause* pPause = nullptr); 46 void StopLayout(); 47 int32_t GetLayoutStatus(); 48 void UpdateDocView(); 49 int32_t CountPageViews(); 50 CXFA_FFPageView* GetPageView(int32_t nIndex); 51 52 void ResetWidgetData(CXFA_WidgetAcc* pWidgetAcc = nullptr); 53 int32_t ProcessWidgetEvent(CXFA_EventParam* pParam, 54 CXFA_WidgetAcc* pWidgetAcc = nullptr); 55 CXFA_FFWidgetHandler* GetWidgetHandler(); 56 CXFA_WidgetAccIterator* CreateWidgetAccIterator( 57 XFA_WIDGETORDER eOrder = XFA_WIDGETORDER_PreOrder); 58 CXFA_FFWidget* GetFocusWidget(); 59 void KillFocus(); 60 FX_BOOL SetFocus(CXFA_FFWidget* hWidget); 61 CXFA_FFWidget* GetWidgetByName(const CFX_WideString& wsName, 62 CXFA_FFWidget* pRefWidget = nullptr); 63 CXFA_WidgetAcc* GetWidgetAccByName(const CFX_WideString& wsName, 64 CXFA_WidgetAcc* pRefWidgetAcc = nullptr); 65 CXFA_LayoutProcessor* GetXFALayout() const; 66 void OnPageEvent(CXFA_ContainerLayoutItem* pSender, uint32_t dwEvent); 67 void LockUpdate(); 68 void UnlockUpdate(); 69 FX_BOOL IsUpdateLocked(); 70 void ClearInvalidateList(); 71 void AddInvalidateRect(CXFA_FFWidget* pWidget, const CFX_RectF& rtInvalidate); 72 void AddInvalidateRect(CXFA_FFPageView* pPageView, 73 const CFX_RectF& rtInvalidate); 74 void RunInvalidate(); 75 void RunDocClose(); 76 void DestroyDocView(); 77 78 FX_BOOL InitValidate(CXFA_Node* pNode); 79 FX_BOOL RunValidate(); 80 81 void SetChangeMark(); 82 83 void AddValidateWidget(CXFA_WidgetAcc* pWidget); 84 void AddCalculateNodeNotify(CXFA_Node* pNodeChange); 85 void AddCalculateWidgetAcc(CXFA_WidgetAcc* pWidgetAcc); 86 int32_t RunCalculateWidgets(); 87 FX_BOOL IsStaticNotify(); 88 FX_BOOL RunLayout(); 89 void RunSubformIndexChange(); 90 void AddNewFormNode(CXFA_Node* pNode); 91 void AddIndexChangedSubform(CXFA_Node* pNode); 92 CXFA_WidgetAcc* GetFocusWidgetAcc(); 93 void SetFocusWidgetAcc(CXFA_WidgetAcc* pWidgetAcc); 94 void DeleteLayoutItem(CXFA_FFWidget* pWidget); 95 int32_t ExecEventActivityByDeepFirst(CXFA_Node* pFormNode, 96 XFA_EVENTTYPE eEventType, 97 FX_BOOL bIsFormReady = FALSE, 98 FX_BOOL bRecursive = TRUE, 99 CXFA_Node* pExclude = nullptr); 100 FX_BOOL m_bLayoutEvent; 101 CFX_WideStringArray m_arrNullTestMsg; 102 CXFA_FFWidget* m_pListFocusWidget; 103 FX_BOOL m_bInLayoutStatus; 104 105 protected: 106 FX_BOOL RunEventLayoutReady(); 107 void RunBindItems(); 108 FX_BOOL InitCalculate(CXFA_Node* pNode); 109 void InitLayout(CXFA_Node* pNode); 110 void RunCalculateRecursive(int32_t& iIndex); 111 void ShowNullTestMsg(); 112 FX_BOOL ResetSingleWidgetAccData(CXFA_WidgetAcc* pWidgetAcc); 113 CXFA_Node* GetRootSubform(); 114 115 CXFA_FFDoc* m_pDoc; 116 CXFA_FFWidgetHandler* m_pWidgetHandler; 117 CXFA_LayoutProcessor* m_pXFADocLayout; 118 CXFA_WidgetAcc* m_pFocusAcc; 119 CXFA_FFWidget* m_pFocusWidget; 120 CXFA_FFWidget* m_pOldFocusWidget; 121 std::map<CXFA_FFPageView*, std::unique_ptr<CFX_RectF>> m_mapPageInvalidate; 122 CFX_ArrayTemplate<CXFA_WidgetAcc*> m_ValidateAccs; 123 CFX_ArrayTemplate<CXFA_WidgetAcc*> m_CalculateAccs; 124 CFX_ArrayTemplate<CXFA_Node*> m_BindItems; 125 CFX_ArrayTemplate<CXFA_Node*> m_NewAddedNodes; 126 CFX_ArrayTemplate<CXFA_Node*> m_IndexChangedSubforms; 127 XFA_DOCVIEW_LAYOUTSTATUS m_iStatus; 128 int32_t m_iLock; 129 friend class CXFA_FFNotify; 130 }; 131 132 class CXFA_WidgetAccIterator { 133 public: 134 CXFA_WidgetAccIterator(CXFA_FFDocView* pDocView, CXFA_Node* pTravelRoot); 135 ~CXFA_WidgetAccIterator(); 136 137 void Reset(); 138 CXFA_WidgetAcc* MoveToFirst(); 139 CXFA_WidgetAcc* MoveToLast(); 140 CXFA_WidgetAcc* MoveToNext(); 141 CXFA_WidgetAcc* MoveToPrevious(); 142 CXFA_WidgetAcc* GetCurrentWidgetAcc(); 143 FX_BOOL SetCurrentWidgetAcc(CXFA_WidgetAcc* hWidget); 144 void SkipTree(); 145 146 protected: 147 CXFA_ContainerIterator m_ContentIterator; 148 CXFA_FFDocView* m_pDocView; 149 CXFA_WidgetAcc* m_pCurWidgetAcc; 150 }; 151 152 #endif // XFA_FXFA_INCLUDE_XFA_FFDOCVIEW_H_ 153