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// Copyright 2014 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_TARGET_H_
#define XFA_FWL_CORE_IFWL_TARGET_H_
#include "core/fxcrt/include/fx_basic.h"
#include "xfa/fwl/core/fwl_error.h"
// FWL contains three parallel inheritance hierarchies, which reference each
// other via pointers as follows:
//
// m_pImpl
// (nonesuch) IFWL_Target ----------> CFWL_TargetImp
// | |
// A A
// m_pIface | |
// CFWL_Widget ----------> IFWL_Widget CFWL_WidgetImp
// | | |
// A A A
// | | |
// CFWL_... IFWL_... CFWL_...Imp
//
class CFWL_TargetImp;
class IFWL_Target {
public:
IFWL_Target() : m_pImpl(nullptr) {}
virtual ~IFWL_Target();
// These call into equivalent polymorphic methods of m_pImpl. There
// should be no need to override these in subclasses.
FWL_ERR GetClassName(CFX_WideString& wsClass) const;
FX_DWORD GetClassID() const;
FX_BOOL IsInstance(const CFX_WideStringC& wsClass) const;
FWL_ERR Initialize();
FWL_ERR Finalize();
CFWL_TargetImp* GetImpl() const { return m_pImpl; }
protected:
void SetImpl(CFWL_TargetImp* pImpl) { m_pImpl = pImpl; }
private:
CFWL_TargetImp* m_pImpl;
};
#endif // XFA_FWL_CORE_IFWL_TARGET_H_
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