windows-nt/Source/XPSP1/NT/shell/ext/webcheck/cdfagent.h
2020-09-26 16:20:57 +08:00

418 lines
13 KiB
C++

#ifndef _CDFAGENT_H
#define _CDFAGENT_H
#include "msxml.h"
class CProcessElement;
class CProcessRoot;
class CUrlTrackingCache;
class CRunDeliveryAgentSink
{
public:
// OnAgentProgress not currently called
virtual HRESULT OnAgentProgress()
{ return E_NOTIMPL; }
// OnAgentEnd called when agent is complete. fSynchronous means that StartAgent call
// has not yet returned; hrResult will be returned from StartAgent
virtual HRESULT OnAgentEnd(const SUBSCRIPTIONCOOKIE *pSubscriptionCookie,
long lSizeDownloaded, HRESULT hrResult, LPCWSTR wszResult,
BOOL fSynchronous)
{ return E_NOTIMPL; }
};
class CProcessElementSink
{
public:
virtual HRESULT OnChildDone(CProcessElement *pChild, HRESULT hr) = 0;
virtual LPCWSTR GetBaseUrl() = 0; // Returned pointer doesn't need to get freed
virtual BOOL IsGlobalLog() = 0;
};
typedef struct CDF_TIME
{
WORD wDay;
WORD wHour;
WORD wMin;
WORD wReserved;
DWORD dwConvertedMinutes; // Day/Hour/Min in Minutes
} CDF_TIME;
//////////////////////////////////////////////////////////////////////////
//
// Channel Agent object
//
//////////////////////////////////////////////////////////////////////////
class CChannelAgent : public CDeliveryAgent,
public CUrlDownloadSink,
public CProcessElementSink
{
friend CProcessElement; // for SendUpdateProgress
friend CProcessRoot; // for laziness
protected:
// properties
LPWSTR m_pwszURL;
DWORD m_dwChannelFlags;
// used during updating
CUrlDownload *m_pCurDownload;
IExtractIcon *m_pChannelIconHelper;
BOOL m_fHasInitCookie; // One time deal, don't try again.
VARIANT m_varChange;
GROUPID m_llCacheGroupID;
GROUPID m_llOldCacheGroupID;
// other agent flags
enum {
FLAG_CDFCHANGED = 0x80000000 // did the CDF change?
};
private:
~CChannelAgent(void);
public:
CChannelAgent(void);
// CUrlDownloadSink
HRESULT OnAuthenticate(HWND *phwnd, LPWSTR *ppszUsername, LPWSTR *ppszPassword);
HRESULT OnDownloadComplete(UINT iID, int iError);
// CProcessElementSink
HRESULT OnChildDone(CProcessElement *pChild, HRESULT hr);
LPCWSTR GetBaseUrl() { return GetUrl(); }
BOOL IsGlobalLog() { return FALSE; }
// virtual functions overriding CDeliveryAgent
HRESULT AgentPause(DWORD dwFlags);
HRESULT AgentResume(DWORD dwFlags);
HRESULT AgentAbort(DWORD dwFlags);
STDMETHODIMP GetIconLocation(UINT, LPTSTR, UINT, int *, UINT *);
STDMETHODIMP Extract(LPCTSTR, UINT, HICON *, HICON *, UINT);
LPCWSTR GetUrl() { return m_pwszURL; }
ISubscriptionItem *GetStartItem() { return m_pSubscriptionItem; }
BOOL IsChannelFlagSet(DWORD dwFlag) { return dwFlag & m_dwChannelFlags; }
void SetScreenSaverURL(LPCWSTR pwszURL);
protected:
// CDeliveryAgent overrides
HRESULT ModifyUpdateEnd(ISubscriptionItem *pEndItem, UINT *puiRes);
HRESULT StartOperation();
HRESULT StartDownload();
void CleanUp();
// Used during updates
CProcessRoot *m_pProcess;
LPWSTR m_pwszScreenSaverURL;
public:
DWORD m_dwMaxSizeKB;
};
//////////////////////////////////////////////////////////////////////////
//
// CRunDeliveryAgent object
// Will run a delivery agent and host it for you
// Create, call Init, then call StartAgent
// Use static function SafeRelease to safely release this class.
//
//////////////////////////////////////////////////////////////////////////
class CRunDeliveryAgent : public ISubscriptionAgentEvents
{
protected:
virtual ~CRunDeliveryAgent();
CRunDeliveryAgentSink *m_pParent;
ULONG m_cRef;
ISubscriptionItem *m_pItem;
ISubscriptionAgentControl *m_pAgent;
HRESULT m_hrResult;
BOOL m_fInStartAgent;
CLSID m_clsidDest;
void CleanUp();
public:
CRunDeliveryAgent();
HRESULT Init(CRunDeliveryAgentSink *pParent, ISubscriptionItem *pItem, REFCLSID rclsidDest);
void LeaveMeAlone() { m_pParent = NULL; }
inline static void SafeRelease(CRunDeliveryAgent * &pThis)
{ if (pThis) { pThis->m_pParent=NULL; pThis->Release(); pThis=NULL; } }
static HRESULT CreateNewItem(ISubscriptionItem **ppItem, REFCLSID rclsidAgent);
// StartAgent will return E_PENDING if agent is running. Otherwise it will return
// synchronous result code from agent.
HRESULT StartAgent();
HRESULT AgentPause(DWORD dwFlags);
HRESULT AgentResume(DWORD dwFlags);
HRESULT AgentAbort(DWORD dwFlags);
// IUnknown members
STDMETHODIMP QueryInterface(REFIID riid, void **ppunk);
STDMETHODIMP_(ULONG) AddRef();
STDMETHODIMP_(ULONG) Release();
// ISubscriptionAgentEvents members
STDMETHODIMP UpdateBegin(const SUBSCRIPTIONCOOKIE *pSubscriptionCookie);
STDMETHODIMP UpdateProgress(const SUBSCRIPTIONCOOKIE *pSubscriptionCookie,
long lSizeDownloaded, long lProgressCurrent, long lProgressMax,
HRESULT hrStatus, LPCWSTR wszStatus);
STDMETHODIMP UpdateEnd(const SUBSCRIPTIONCOOKIE *pSubscriptionCookie,
long lSizeDownloaded,
HRESULT hrResult, LPCWSTR wszResult);
STDMETHODIMP ReportError(const SUBSCRIPTIONCOOKIE *pSubscriptionCookie,
HRESULT hrError, LPCWSTR wszError);
};
class CChannelAgentHolder : public CRunDeliveryAgent,
public IServiceProvider
{
protected:
~CChannelAgentHolder();
public:
CChannelAgentHolder(CChannelAgent *pChannelAgent, CProcessElement *pProcess);
// IUnknown
STDMETHODIMP QueryInterface(REFIID riid, void **ppunk);
STDMETHODIMP_(ULONG) AddRef();
STDMETHODIMP_(ULONG) Release();
// ServiceProvider
STDMETHODIMP QueryService(REFGUID guidService, REFIID riid, void **ppvObject);
protected:
CChannelAgent *m_pChannelAgent;
CProcessElement *m_pProcess;
};
//////////////////////////////////////////////////////////////////////////
//
// Process Element objects
//
// User of this class
// 1) Creates & passes in self & element
// 2) Calls Run
// 3) If E_PENDING, will receive call back "OnChildDone"
//
// The purpose of this class is simply to allow us to save our state of
// walking the XML OM, so that we can host another deliver agent
// (webcrawler). This requires us to return out to the thread's message
// pump after sending the "agent start" to the web crawler.
// The if a webcrawl is initiated the class creates its own sink. Classes
// also keep references to their spawned enumerations in case of an
// abort, which comes from the root element (CProcessRoot instance)
//
//////////////////////////////////////////////////////////////////////////
class CProcessElement : public CProcessElementSink, public CRunDeliveryAgentSink
{
public:
CProcessElement(CProcessElementSink *pParent, CProcessRoot *pRoot, IXMLElement *pEle);
~CProcessElement();
// From CRunDeliveryAgent
HRESULT OnAgentEnd(const SUBSCRIPTIONCOOKIE *pSubscriptionCookie,
long lSizeDownloaded, HRESULT hrResult, LPCWSTR wszResult,
BOOL fSynchronous);
typedef HRESULT (CChannelAgent::*PFNHANDLETAG)(LPCWSTR pwszTagName, IXMLElement *pEle);
typedef struct
{
LPCWSTR pwszTagName;
PFNHANDLETAG pfnHandleTag;
} TAGTABLE;
// E_FAIL, E_PENDING, or S_OK
virtual HRESULT Run();
// Called when E_PENDING DoChild returns (from m_pCurChild)
HRESULT OnChildDone(CProcessElement *pChild, HRESULT hr);
HRESULT Pause(DWORD dwFlags);
HRESULT Resume(DWORD dwFlags);
HRESULT Abort(DWORD dwFlags);
IXMLElement *GetCurrentElement() { return m_pChildElement; }
protected:
// Returns E_PENDING, or S_OK if enumeration complete
HRESULT DoEnumeration();
// E_PENDING if webcrawl pending
HRESULT DoChild(CProcessElement *pChild);
// Should return E_PENDING, or S_OK if processing done
// Can return E_ABORT to abort entire CDF processing
virtual HRESULT ProcessItemInEnum(LPCWSTR pwszTagName, IXMLElement *pItem) = 0;
// Called by DoEnumeration when it's done. Return value ignored.
virtual HRESULT EnumerationComplete() { return S_OK; }
// E_PENDING, or E_FAIL
HRESULT DoDeliveryAgent(ISubscriptionItem *pItem, REFCLSID rclsid, LPCWSTR pwszURL=NULL);
HRESULT DoWebCrawl(IXMLElement *pItem, LPCWSTR pwszURL=NULL);
HRESULT DoSoftDist(IXMLElement *pItem);
BOOL ShouldDownloadLogo(IXMLElement *pLogo);
// If relative url, will combine with most recent base URL
// *ppwszRetUrl should be NULL & will be LocalAlloced if needed
HRESULT CombineWithBaseUrl(LPCWSTR pwszUrl, LPWSTR *ppwszRetUrl);
// Returned pointer doesn't need to get freed
LPCWSTR GetBaseUrl() { return m_pParent->GetBaseUrl(); }
BOOL IsGlobalLog() { return m_pParent->IsGlobalLog(); }
CProcessRoot *m_pRoot;
CProcessElement *m_pCurChild;
IXMLElementCollection *m_pCollection;
long m_lIndex;
long m_lMax;
BOOL m_fStartedEnumeration;
BOOL m_fSentEnumerationComplete;
IXMLElement *m_pElement;
IXMLElement *m_pChildElement;
CProcessElementSink *m_pParent;
CRunDeliveryAgent *m_pRunAgent;
};
class CProcessRoot : public CProcessElement
{
public:
CProcessRoot(CChannelAgent *pParent, IXMLElement *pRoot);
~CProcessRoot();
CChannelAgent *m_pChannelAgent;
DWORD m_dwCurSizeKB;
int m_iTotalStarted;
BOOL m_fMaxSizeExceeded;
protected:
ISubscriptionItem *m_pDefaultStartItem;
CUrlTrackingCache *m_pTracking;
public:
HRESULT CreateStartItem(ISubscriptionItem **ppItem);
IUnknown *DefaultStartItem() { return m_pDefaultStartItem; }
HRESULT Run();
// Called when E_PENDING DoChild returns (from m_pCurChild, a CProcessChannel)
HRESULT OnChildDone(CProcessElement *pChild, HRESULT hr);
HRESULT OnAgentEnd(const SUBSCRIPTIONCOOKIE *, long, HRESULT, LPCWSTR, BOOL);
BOOL IsPaused() { return m_pChannelAgent->IsPaused(); }
BOOL IsChannelFlagSet(DWORD dw) { return m_pChannelAgent->IsChannelFlagSet(dw); }
// HRESULT ProcessLogin(IXMLElement *pElement);
HRESULT DoTrackingFromItem(IXMLElement *pItem, LPCWSTR pwszUrl, BOOL fForceLog);
HRESULT DoTrackingFromLog(IXMLElement *pItem);
protected:
HRESULT ProcessItemInEnum(LPCWSTR pwszTagName, IXMLElement *pItem);
LPCWSTR GetBaseUrl() { return m_pChannelAgent->GetUrl(); }
};
class CProcessChannel : public CProcessElement
{
public:
CProcessChannel(CProcessElementSink *pParent, CProcessRoot *pRoot, IXMLElement *pItem);
~CProcessChannel();
HRESULT Run();
void SetGlobalLogFlag(BOOL flag) { m_fglobalLog = flag; }
protected:
HRESULT ProcessItemInEnum(LPCWSTR pwszTagName, IXMLElement *pItem);
LPCWSTR GetBaseUrl() { if (m_bstrBaseUrl) return m_bstrBaseUrl; return m_pParent->GetBaseUrl(); }
BOOL IsGlobalLog() { return m_fglobalLog; }
HRESULT CheckPreCache();
BOOL m_fDownloadedHREF;
BSTR m_bstrBaseUrl;
BOOL m_fglobalLog;
};
class CProcessItem : public CProcessElement
{
public:
CProcessItem(CProcessElementSink *pParent, CProcessRoot *pRoot, IXMLElement *pItem);
~CProcessItem();
protected:
HRESULT ProcessItemInEnum(LPCWSTR pwszTagName, IXMLElement *pItem);
HRESULT EnumerationComplete();
BSTR m_bstrAnchorURL;
BOOL m_fScreenSaver;
BOOL m_fDesktop;
BOOL m_fEmail;
};
class CProcessSchedule : public CProcessElement
{
public:
CProcessSchedule(CProcessElementSink *pParent, CProcessRoot *pRoot, IXMLElement *pItem);
HRESULT Run();
protected:
HRESULT ProcessItemInEnum(LPCWSTR pwszTagName, IXMLElement *pItem);
HRESULT EnumerationComplete();
CDF_TIME m_timeInterval;
CDF_TIME m_timeEarliest;
CDF_TIME m_timeLatest;
SYSTEMTIME m_stStartDate;
SYSTEMTIME m_stEndDate;
public:
TASK_TRIGGER m_tt;
};
class CExtractSchedule : public CProcessElement
{
public:
CExtractSchedule(IXMLElement *pEle, CExtractSchedule *m_pExtractRoot);
HRESULT ProcessItemInEnum(LPCWSTR pwszTagName, IXMLElement *pItem);
HRESULT GetTaskTrigger(TASK_TRIGGER *ptt);
virtual HRESULT Run();
TASK_TRIGGER m_tt;
CExtractSchedule *m_pExtractRoot;
protected:
LPCWSTR GetBaseUrl() { return NULL; }
};
#endif // _CDFAGENT_H