// 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 _FWL_CARET_IMP_H
#define _FWL_CARET_IMP_H
class CFWL_WidgetImp;
class CFWL_WidgetImpProperties;
class CFWL_WidgetImpDelegate;
class IFWL_Widget;
class CFWL_CaretImp;
class CFWL_CaretImpDelegate;
class CFWL_CaretImp : public CFWL_WidgetImp
{
public:
    CFWL_CaretImp(IFWL_Widget *pOuter = NULL);
    CFWL_CaretImp(const CFWL_WidgetImpProperties &properties, IFWL_Widget *pOuter = NULL);
    virtual ~CFWL_CaretImp();

    virtual FWL_ERR		GetClassName(CFX_WideString &wsClass) const;
    virtual FX_DWORD	GetClassID() const;

    virtual FWL_ERR		Initialize();
    virtual FWL_ERR		Finalize();

    virtual FWL_ERR		DrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix = NULL);

    virtual	FWL_ERR	ShowCaret(FX_BOOL bFlag = TRUE);
    virtual FWL_ERR GetFrequency(FX_DWORD &elapse);
    virtual FWL_ERR SetFrequency(FX_DWORD elapse);
    virtual FWL_ERR SetColor(CFX_Color crFill);
protected:
    FX_BOOL		  DrawCaretBK(CFX_Graphics *pGraphics, IFWL_ThemeProvider *pTheme, const CFX_Matrix *pMatrix);
    class CFWL_CaretTimer
    {
    public:
        CFWL_CaretTimer(CFWL_CaretImp *m_pCaret);
        virtual FX_INT32 Run(FWL_HTIMER hTimer);
        CFWL_CaretImp *m_pCaret;

    };
    CFWL_CaretTimer *m_pTimer;
    FWL_HTIMER		m_hTimer;
    FX_DWORD		m_dwElapse;
    CFX_Color		m_crFill;
    FX_BOOL			m_bSetColor;
    friend class CFWL_CaretImpDelegate;
    friend class CFWL_CaretTimer;

};
class CFWL_CaretImpDelegate : public CFWL_WidgetImpDelegate
{
public:
    CFWL_CaretImpDelegate(CFWL_CaretImp *pOwner);
    virtual FX_INT32	OnProcessMessage(CFWL_Message *pMessage);
    virtual FWL_ERR		OnDrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix = NULL);

protected:
    CFWL_CaretImp *m_pOwner;
};
#endif