// Copyright 2016 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_FWL_CORE_IFWL_WIDGETDELEGATE_H_ #define XFA_FWL_CORE_IFWL_WIDGETDELEGATE_H_ #include <stdint.h> #include "xfa/fwl/core/fwl_error.h" class CFWL_Event; class CFWL_Message; class CFX_Graphics; class CFX_Matrix; class IFWL_WidgetDelegate { public: virtual ~IFWL_WidgetDelegate() {} virtual void OnProcessMessage(CFWL_Message* pMessage) = 0; virtual void OnProcessEvent(CFWL_Event* pEvent) = 0; virtual void OnDrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix = nullptr) = 0; }; #endif // XFA_FWL_CORE_IFWL_WIDGETDELEGATE_H_