1 // Copyright 2014 The PDFium Authors 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_CXFA_FFNOTIFY_H_ 8 #define XFA_FXFA_CXFA_FFNOTIFY_H_ 9 10 #include "core/fxcrt/mask.h" 11 #include "fxjs/gc/heap.h" 12 #include "v8/include/cppgc/garbage-collected.h" 13 #include "v8/include/cppgc/member.h" 14 #include "v8/include/cppgc/visitor.h" 15 #include "xfa/fxfa/cxfa_eventparam.h" 16 #include "xfa/fxfa/cxfa_ffapp.h" 17 #include "xfa/fxfa/cxfa_ffdoc.h" 18 #include "xfa/fxfa/cxfa_ffdocview.h" 19 #include "xfa/fxfa/parser/cxfa_document.h" 20 21 class CXFA_LayoutItem; 22 class CXFA_LayoutProcessor; 23 class CXFA_Script; 24 class CXFA_ViewLayoutItem; 25 26 class CXFA_FFNotify : public cppgc::GarbageCollected<CXFA_FFNotify> { 27 public: 28 CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED; 29 ~CXFA_FFNotify(); 30 31 void Trace(cppgc::Visitor* visitor) const; 32 33 void OnPageViewEvent(CXFA_ViewLayoutItem* pSender, 34 CXFA_FFDoc::PageViewEvent eEvent); 35 36 void OnWidgetListItemAdded(CXFA_Node* pSender, 37 const WideString& wsLabel, 38 int32_t iIndex); 39 void OnWidgetListItemRemoved(CXFA_Node* pSender, int32_t iIndex); 40 41 // Node events 42 void OnNodeReady(CXFA_Node* pNode); 43 void OnValueChanging(CXFA_Node* pSender, XFA_Attribute eAttr); 44 void OnValueChanged(CXFA_Node* pSender, 45 XFA_Attribute eAttr, 46 CXFA_Node* pParentNode, 47 CXFA_Node* pWidgetNode); 48 void OnContainerChanged(); 49 void OnChildAdded(CXFA_Node* pSender); 50 void OnChildRemoved(); 51 52 // These two return new views/widgets from cppgc heap. 53 CXFA_FFPageView* OnCreateViewLayoutItem(CXFA_Node* pNode); 54 CXFA_FFWidget* OnCreateContentLayoutItem(CXFA_Node* pNode); 55 56 void OnLayoutItemAdded(CXFA_LayoutProcessor* pLayout, 57 CXFA_LayoutItem* pSender, 58 int32_t iPageIdx, 59 Mask<XFA_WidgetStatus> dwStatus); 60 void OnLayoutItemRemoving(CXFA_LayoutProcessor* pLayout, 61 CXFA_LayoutItem* pSender); 62 void StartFieldDrawLayout(CXFA_Node* pItem, 63 float* pCalcWidth, 64 float* pCalcHeight); 65 bool RunScript(CXFA_Script* pScript, CXFA_Node* pFormItem); 66 XFA_EventError ExecEventByDeepFirst(CXFA_Node* pFormNode, 67 XFA_EVENTTYPE eEventType, 68 bool bIsFormReady, 69 bool bRecursive); 70 void AddCalcValidate(CXFA_Node* pNode); GetFFDoc()71 CXFA_FFDoc* GetFFDoc() const { return m_pDoc; } 72 CXFA_FFApp::CallbackIface* GetAppProvider(); 73 void HandleWidgetEvent(CXFA_Node* pNode, CXFA_EventParam* pParam); 74 void OpenDropDownList(CXFA_Node* pNode); 75 void ResetData(CXFA_Node* pNode); 76 CXFA_FFDocView::LayoutStatus GetLayoutStatus(); 77 void RunNodeInitialize(CXFA_Node* pNode); 78 void RunSubformIndexChange(CXFA_Subform* pSubformNode); 79 CXFA_Node* GetFocusWidgetNode(); 80 void SetFocusWidgetNode(CXFA_Node* pNode); 81 82 private: 83 explicit CXFA_FFNotify(CXFA_FFDoc* pDoc); 84 85 cppgc::Member<CXFA_FFDoc> const m_pDoc; 86 }; 87 88 #endif // XFA_FXFA_CXFA_FFNOTIFY_H_ 89