1 // Copyright 2016 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_FWL_CFWL_MESSAGE_H_ 8 #define XFA_FWL_CFWL_MESSAGE_H_ 9 10 #include <memory> 11 12 #include "core/fxcrt/fx_string.h" 13 #include "core/fxcrt/fx_system.h" 14 #include "core/fxcrt/observed_ptr.h" 15 #include "xfa/fwl/cfwl_widget.h" 16 17 class CFWL_Message { 18 public: 19 enum class Type { Key, KillFocus, Mouse, MouseWheel, SetFocus }; 20 21 virtual ~CFWL_Message(); 22 GetType()23 Type GetType() const { return m_type; } GetSrcTarget()24 CFWL_Widget* GetSrcTarget() const { return m_pSrcTarget.Get(); } GetDstTarget()25 CFWL_Widget* GetDstTarget() const { return m_pDstTarget.Get(); } SetSrcTarget(CFWL_Widget * pWidget)26 void SetSrcTarget(CFWL_Widget* pWidget) { m_pSrcTarget.Reset(pWidget); } SetDstTarget(CFWL_Widget * pWidget)27 void SetDstTarget(CFWL_Widget* pWidget) { m_pDstTarget.Reset(pWidget); } 28 29 protected: 30 CFWL_Message(Type type, CFWL_Widget* pSrcTarget, CFWL_Widget* pDstTarget); 31 CFWL_Message(const CFWL_Message& that) = delete; 32 CFWL_Message& operator=(const CFWL_Message& that) = delete; 33 34 private: 35 const Type m_type; 36 ObservedPtr<CFWL_Widget> m_pSrcTarget; 37 ObservedPtr<CFWL_Widget> m_pDstTarget; 38 }; 39 40 #endif // XFA_FWL_CFWL_MESSAGE_H_ 41