| // Copyright 2018 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef XFA_FXFA_CXFA_FFDROPDOWN_H_ |
| #define XFA_FXFA_CXFA_FFDROPDOWN_H_ |
| |
| #include "core/fxcrt/widestring.h" |
| #include "xfa/fxfa/cxfa_fffield.h" |
| |
| class CXFA_FFComboBox; |
| |
| class CXFA_FFDropDown : public CXFA_FFField { |
| public: |
| ~CXFA_FFDropDown() override; |
| |
| // CXFA_FFField: |
| CXFA_FFDropDown* AsDropDown() override; |
| |
| virtual void InsertItem(const WideString& wsLabel, int32_t nIndex) = 0; |
| virtual void DeleteItem(int32_t nIndex) = 0; |
| virtual CXFA_FFComboBox* AsComboBox(); |
| |
| protected: |
| explicit CXFA_FFDropDown(CXFA_Node* pNode); |
| }; |
| |
| inline CXFA_FFComboBox* ToComboBox(CXFA_FFDropDown* pDropDown) { |
| return pDropDown ? pDropDown->AsComboBox() : nullptr; |
| } |
| |
| #endif // XFA_FXFA_CXFA_FFDROPDOWN_H_ |