| // 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_IFWL_WIDGETDELEGATE_H_ | 
 | #define XFA_FWL_IFWL_WIDGETDELEGATE_H_ | 
 |  | 
 | #include "v8/include/cppgc/garbage-collected.h" | 
 |  | 
 | class CFGAS_GEGraphics; | 
 | class CFWL_Event; | 
 | class CFWL_Message; | 
 | class CFX_Matrix; | 
 |  | 
 | class IFWL_WidgetDelegate : public cppgc::GarbageCollectedMixin { | 
 |  public: | 
 |   virtual ~IFWL_WidgetDelegate() = default; | 
 |  | 
 |   virtual void OnProcessMessage(CFWL_Message* pMessage) = 0; | 
 |   virtual void OnProcessEvent(CFWL_Event* pEvent) = 0; | 
 |   virtual void OnDrawWidget(CFGAS_GEGraphics* pGraphics, | 
 |                             const CFX_Matrix& matrix) = 0; | 
 | }; | 
 |  | 
 | #endif  // XFA_FWL_IFWL_WIDGETDELEGATE_H_ |