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_IFWL_WIDGETDELEGATE_H_
8 #define XFA_FWL_IFWL_WIDGETDELEGATE_H_
9 
10 #include "v8/include/cppgc/garbage-collected.h"
11 
12 class CFGAS_GEGraphics;
13 class CFWL_Event;
14 class CFWL_Message;
15 class CFX_Matrix;
16 
17 class IFWL_WidgetDelegate : public cppgc::GarbageCollectedMixin {
18  public:
19   virtual ~IFWL_WidgetDelegate() = default;
20 
21   virtual void OnProcessMessage(CFWL_Message* pMessage) = 0;
22   virtual void OnProcessEvent(CFWL_Event* pEvent) = 0;
23   virtual void OnDrawWidget(CFGAS_GEGraphics* pGraphics,
24                             const CFX_Matrix& matrix) = 0;
25 };
26 
27 #endif  // XFA_FWL_IFWL_WIDGETDELEGATE_H_
28