/////////////////////////////////////////////////////////////////////////////
// Copyright (C) 1993-1996  Microsoft Corporation.  All Rights Reserved.
//
//  MODULE:     statbar.h
//
//  PURPOSE:    Defines the CStatusBar class
//

#ifndef __STATBAR_H__
#define __STATBAR_H__

#include "spoolapi.h"

/////////////////////////////////////////////////////////////////////////////
// STATUS_BAR_PART
//
// Defines the different parts that are available in the status bar
//
typedef enum {
    SBP_FILTERED = 0,
    SBP_GENERAL,
    SBP_PROGRESS,
    SBP_CONNECTED,
    SBP_SPOOLER,
    SBP_MAX
} STATUS_BAR_PART;

/////////////////////////////////////////////////////////////////////////////
// Initialization Flags
//

#define SBI_HIDE_SPOOLER        0x00000001
#define SBI_HIDE_CONNECTED      0x00000002
#define SBI_HIDE_FILTERED       0x00000004

/////////////////////////////////////////////////////////////////////////////
// CONN_STATUS
//
// Parameter to SetConnectedStatus().
//
typedef enum {
    CONN_STATUS_WORKOFFLINE = 0,
    CONN_STATUS_CONNECTED,
    CONN_STATUS_DISCONNECTED,
    CONN_STATUS_MAX
} CONN_STATUS;

enum {
    STATUS_IMAGE_CONNECTED = 0,
    STATUS_IMAGE_AUTHORIZING,
    STATUS_IMAGE_CHECKING,
    STATUS_IMAGE_CHECKING_NEWS,
    STATUS_IMAGE_SENDING,
    STATUS_IMAGE_RECEIVING,
    STATUS_IMAGE_NOMSGS,
    STATUS_IMAGE_NEWMSGS,
    STATUS_IMAGE_ERROR,
    STATUS_IMAGE_DISCONNECTED,
    STATUS_IMAGE_OFFLINE,
    STATUS_IMAGE_ONLINE,
    STATUS_IMAGE_MAX
};


/////////////////////////////////////////////////////////////////////////////
// IStatusBar
//
interface IStatusBar : public IUnknown 
{
    STDMETHOD(Initialize)(THIS_ HWND hwndParent, DWORD dwFlags) PURE;
    STDMETHOD(ShowStatus)(THIS_ BOOL fShow) PURE;
    STDMETHOD(OnSize)(THIS_ int cx, int cy) PURE;
    STDMETHOD(GetHeight)(THIS_ int *cy) PURE;
    STDMETHOD(ShowSimpleText)(THIS_ LPTSTR pszText) PURE;
    STDMETHOD(HideSimpleText)(THIS) PURE;
    STDMETHOD(SetStatusText)(THIS_ LPTSTR pszText) PURE;
    STDMETHOD(ShowProgress)(THIS_ DWORD dwRange) PURE;
    STDMETHOD(SetProgress)(THIS_ DWORD dwPos) PURE;
    STDMETHOD(HideProgress)(THIS) PURE;
    STDMETHOD(SetConnectedStatus)(THIS_ CONN_STATUS status) PURE;
    STDMETHOD(SetSpoolerStatus)(THIS_ DELIVERYNOTIFYTYPE type, DWORD cMsgs) PURE;
    STDMETHOD(OnNotify)(THIS_ NMHDR *pnmhdr) PURE;
    STDMETHOD(SetFilter)(THIS_ RULEID ridFilter) PURE;
};

#define IDC_STATUS_BAR          4000
#define IDC_STATUS_PROGRESS     4001


/////////////////////////////////////////////////////////////////////////////
// CStatusBar
//

class CStatusBar : public IStatusBar
{
public:
    /////////////////////////////////////////////////////////////////////////
    // Constructors, Destructors, and Initialization
    //
    CStatusBar();
    ~CStatusBar();

    /////////////////////////////////////////////////////////////////////////
    // IUnknown
    //
    STDMETHODIMP QueryInterface(REFIID riid, void **ppvObj);
    ULONG STDMETHODCALLTYPE AddRef(void);
    ULONG STDMETHODCALLTYPE Release(void);

    /////////////////////////////////////////////////////////////////////////
    // IStatusBar
    //
    STDMETHODIMP Initialize(HWND hwndParent, DWORD dwFlags);
    STDMETHODIMP ShowStatus(BOOL fShow);
    STDMETHODIMP OnSize(int cx, int cy);
    STDMETHODIMP GetHeight(int *pcy);
    STDMETHODIMP ShowSimpleText(LPTSTR pszText);
    STDMETHODIMP HideSimpleText(void);
    STDMETHODIMP SetStatusText(LPTSTR pszText);
    STDMETHODIMP ShowProgress(DWORD dwRange);
    STDMETHODIMP SetProgress(DWORD dwPos);
    STDMETHODIMP HideProgress(void);
    STDMETHODIMP SetConnectedStatus(CONN_STATUS status);
    STDMETHODIMP SetSpoolerStatus(DELIVERYNOTIFYTYPE type, DWORD cMsgs);
    STDMETHODIMP OnNotify(NMHDR *pnmhdr);
    STDMETHODIMP SetFilter(RULEID ridFilter);

private:
    /////////////////////////////////////////////////////////////////////////
    // Utility Functions
    //
    void _UpdateWidths(void);
    HICON _GetIcon(DWORD iIndex);
    
private:
    /////////////////////////////////////////////////////////////////////////
    // Class Data
    //
    ULONG       m_cRef;
    HWND        m_hwnd;
    HWND        m_hwndProg;
    DWORD       m_tidOwner;
    
    DWORD       m_dwFlags;
    HIMAGELIST  m_himl;
    HICON       m_rgIcons[STATUS_IMAGE_MAX];

    // Cached width information
    int         m_cxFiltered;
    int         m_cxSpooler;
    int         m_cxConnected;
    int         m_cxProgress;

    // State
    BOOL        m_fInSimple;

    // Cached filter info
    RULEID              m_ridFilter;
    CONN_STATUS         m_statusConn;
    DELIVERYNOTIFYTYPE  m_typeDelivery;
    DWORD               m_cMsgsDelivery;
};


#endif