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/////////////////////////////////////////////////////////////////////////////
// Copyright (C) 1993-1996 Microsoft Corporation. All Rights Reserved.
//
// MODULE: ontask.h
//
// PURPOSE: Defines the Offline News task.
//
#ifndef __ONTASK_H__
#define __ONTASK_H__
#include "spoolapi.h"
#include <storutil.h>
/////////////////////////////////////////////////////////////////////////////
// Forward references
//
class CNewsStore;
/////////////////////////////////////////////////////////////////////////////
// Types of events we support
//
typedef struct tagONEVENTINFO { char szGroup[256]; FOLDERID idGroup; DWORD dwFlags; BOOL fMarked; BOOL fIMAP; } ONEVENTINFO; typedef enum tagONTASKSTATE { ONTS_IDLE = 0, // Idle
ONTS_CONNECTING, // Waiting for a connect response
ONTS_INIT, // Initializing
ONTS_HEADERRESP, // Waiting for the header download
ONTS_ALLMSGS, // Downloading all messages
ONTS_NEWMSGS, // Downloading new messages
ONTS_MARKEDMSGS, // Downloading marked messages
ONTS_END, // Cleanup
ONTS_MAX } ONTASKSTATE;
typedef enum tagARTICLESTATE { ARTICLE_GETNEXT, ARTICLE_ONRESP, ARTICLE_END,
ARTICLE_MAX } ARTICLESTATE;
class COfflineTask;typedef HRESULT (COfflineTask::*PFNONSTATEFUNC)(THIS_ void);typedef HRESULT (COfflineTask::*PFNARTICLEFUNC)(THIS_ void); /////////////////////////////////////////////////////////////////////////////
// class COfflineTask
//
// Overview:
// This object defines and implements the ISpoolerTask interface to handle
// offline news functions. This is a separate object from CNewsTask to
// provide a logical separation between what needs to be done online versus
// what is only done offline in news.
//
class COfflineTask : public ISpoolerTask, public IStoreCallback, public ITimeoutCallback {public: /////////////////////////////////////////////////////////////////////////
// Constructor, destructor, initialization
COfflineTask(); ~COfflineTask(); /////////////////////////////////////////////////////////////////////////
// IUnknown Interface
STDMETHOD(QueryInterface)(THIS_ REFIID riid, LPVOID FAR* ppvObj); STDMETHOD_(ULONG, AddRef)(THIS); STDMETHOD_(ULONG, Release)(THIS);
/////////////////////////////////////////////////////////////////////////
// ISpoolerTask Interface
STDMETHOD(Init)(THIS_ DWORD dwFlags, ISpoolerBindContext *pBindCtx); STDMETHOD(BuildEvents)(THIS_ ISpoolerUI *pSpoolerUI, IImnAccount *pAccount, FOLDERID idFolder); STDMETHOD(Execute)(THIS_ EVENTID eid, DWORD_PTR dwTwinkie); STDMETHOD(CancelEvent)(THIS_ EVENTID eid, DWORD_PTR dwTwinkie); STDMETHOD(ShowProperties)(THIS_ HWND hwndParent, EVENTID eid, DWORD_PTR dwTwinkie); STDMETHOD(GetExtendedDetails)(THIS_ EVENTID eid, DWORD_PTR dwTwinkie, LPSTR *ppszDetails); STDMETHOD(Cancel)(THIS); STDMETHOD(IsDialogMessage)(THIS_ LPMSG pMsg); STDMETHOD(OnFlagsChanged)(THIS_ DWORD dwFlags);
/////////////////////////////////////////////////////////////////////////
// IStoreCallback Interface
STDMETHODIMP OnBegin(STOREOPERATIONTYPE tyOperation, STOREOPERATIONINFO *pOpInfo, IOperationCancel *pCancel); STDMETHODIMP OnProgress(STOREOPERATIONTYPE tyOperation, DWORD dwCurrent, DWORD dwMax, LPCSTR pszStatus); STDMETHODIMP OnTimeout(LPINETSERVER pServer, LPDWORD pdwTimeout, IXPTYPE ixpServerType); STDMETHODIMP CanConnect(LPCSTR pszAccountId, DWORD dwFlags); STDMETHODIMP OnLogonPrompt(LPINETSERVER pServer, IXPTYPE ixpServerType); STDMETHODIMP OnComplete(STOREOPERATIONTYPE tyOperation, HRESULT hrComplete, LPSTOREOPERATIONINFO pOpInfo, LPSTOREERROR pErrorInfo); STDMETHODIMP OnPrompt(HRESULT hrError, LPCTSTR pszText, LPCTSTR pszCaption, UINT uType, INT *piUserResponse); STDMETHODIMP GetParentWindow(DWORD dwReserved, HWND *phwndParent);
/////////////////////////////////////////////////////////////////////////
// ITimeoutCallback Interface
STDMETHODIMP OnTimeoutResponse(TIMEOUTRESPONSE eResponse);
private: /////////////////////////////////////////////////////////////////////////
// Window callback and message handling
static LRESULT CALLBACK TaskWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam); /////////////////////////////////////////////////////////////////////////
// These functions build the event list
HRESULT InsertGroups(IImnAccount *pAccount, FOLDERID idFolder); HRESULT InsertAllGroups(FOLDERID idParent, IImnAccount *pAccount, BOOL fIMAP);
/////////////////////////////////////////////////////////////////////////
// State Machine Stuff
void NextState(void);
HRESULT Download_Init(void); HRESULT Download_AllMsgs(void); HRESULT Download_NewMsgs(void); HRESULT Download_MarkedMsgs(void); HRESULT Download_Done(void);
HRESULT Article_Init(MESSAGEIDLIST *pList); HRESULT Article_GetNext(void); HRESULT Article_OnResp(WPARAM wParam, LPARAM lParam); HRESULT Article_OnError(WPARAM wParam, LPARAM lParam); HRESULT Article_Done(void);
/////////////////////////////////////////////////////////////////////////
// Utility functions
void SetGeneralProgress(const TCHAR *pFmt, ...); void SetSpecificProgress(const TCHAR *pFmt, ...); void InsertError(const TCHAR *pFmt, ...);
private: /////////////////////////////////////////////////////////////////////////
// Private member data
ULONG m_cRef;
// State
BOOL m_fInited; DWORD m_dwFlags; ONTASKSTATE m_state; ARTICLESTATE m_as; EVENTID m_eidCur; ONEVENTINFO *m_pInfo; char m_szAccount[CCHMAX_ACCOUNT_NAME]; char m_szAccountId[CCHMAX_ACCOUNT_NAME]; FOLDERID m_idAccount; DWORD m_cEvents; BOOL m_fDownloadErrors; BOOL m_fFailed; DWORD m_fNewHeaders; BOOL m_fCancel;
// Spooler Interfaces
ISpoolerBindContext *m_pBindCtx; ISpoolerUI *m_pUI;
IMessageFolder *m_pFolder;
// Windows
HWND m_hwnd;
// State table
static const PFNONSTATEFUNC m_rgpfnState[ONTS_MAX]; static const PFNARTICLEFUNC m_rgpfnArticle[ARTICLE_MAX];
// Used during event execution
DWORD m_dwLast; DWORD m_dwPrev; DWORD m_cDownloaded; DWORD m_cCur; DWORD_PTR m_dwPrevHigh; DWORD m_dwNewInboxMsgs; LPMESSAGEIDLIST m_pList;
// Callback
HTIMEOUT m_hTimeout; IOperationCancel *m_pCancel; STOREOPERATIONTYPE m_tyOperation; };
#endif // __ONTASK_H__
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