1 // Copyright 2017 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_FFLISTBOX_H_ 8 #define XFA_FXFA_CXFA_FFLISTBOX_H_ 9 10 #include "v8/include/cppgc/member.h" 11 #include "v8/include/cppgc/prefinalizer.h" 12 #include "xfa/fxfa/cxfa_ffdropdown.h" 13 14 class CXFA_FFListBox final : public CXFA_FFDropDown { 15 CPPGC_USING_PRE_FINALIZER(CXFA_FFListBox, PreFinalize); 16 17 public: 18 CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED; 19 ~CXFA_FFListBox() override; 20 21 void PreFinalize(); 22 23 // CXFA_FFField: 24 void Trace(cppgc::Visitor* visitor) const override; 25 bool LoadWidget() override; 26 [[nodiscard]] bool OnKillFocus(CXFA_FFWidget* pNewWidget) override; 27 void OnProcessMessage(CFWL_Message* pMessage) override; 28 void OnProcessEvent(CFWL_Event* pEvent) override; 29 void OnDrawWidget(CFGAS_GEGraphics* pGraphics, 30 const CFX_Matrix& matrix) override; 31 FormFieldType GetFormFieldType() override; 32 33 // CXFA_FFDropDown: 34 void InsertItem(const WideString& wsLabel, int32_t nIndex) override; 35 void DeleteItem(int32_t nIndex) override; 36 37 void OnSelectChanged(CFWL_Widget* pWidget); 38 void SetItemState(int32_t nIndex, bool bSelected); 39 40 private: 41 explicit CXFA_FFListBox(CXFA_Node* pNode); 42 43 bool CommitData() override; 44 bool UpdateFWLData() override; 45 bool IsDataChanged() override; 46 47 uint32_t GetAlignment(); 48 49 cppgc::Member<IFWL_WidgetDelegate> m_pOldDelegate; 50 }; 51 52 #endif // XFA_FXFA_CXFA_FFLISTBOX_H_ 53