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#ifndef _DOWNLD_HXX_
#define _DOWNLD_HXX_
#include <mshtmdid.h>
#include <mshtml.h>
#include <hlink.h>
#include "packager.h"
#ifndef GUIDSTR_MAX
// GUIDSTR_MAX is 39 and includes the terminating zero.
// == Copied from OLE source code =================================
// format for string form of GUID is (leading identifier ????)
// ????{%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}
#define GUIDSTR_MAX (1+ 8 + 1 + 4 + 1 + 4 + 1 + 4 + 1 + 12 + 1 + 1)
// ================================================================
#endif
// Trace and debug flags
#define TF_WEBCHECKCORE 0x00001000
//#define TF_SCHEDULER 0x00002000
#define TF_WEBCRAWL 0x00004000
//#define TF_FAVORITES 0x00008000
#define TF_CDFAGENT 0x00010000
#define TF_STRINGLIST 0x00020000
#define TF_URLDOWNLOAD 0x00040000
#define TF_DOWNLD 0x00080000
#define TF_DIALMON 0x00100000
#define TF_MAILAGENT 0x00200000
#define TF_TRAYAGENT 0x00400000
#define TF_SUBSFOLDER 0x00800000
#define TF_MEMORY 0x01000000
#define TF_UPDATEAGENT 0x02000000
#define TF_POSTAGENT 0x04000000
#define TF_DELAGENT 0x08000000
#define TF_TRACKCACHE 0x10000000
#define TF_SYNCMGR 0x20000000
#define TF_THROTTLER 0x40000000
#define PSM_QUERYSIBLINGS_WPARAM_RESCHEDULE 0XF000
#undef DBG
#define DBG(sz) TraceMsg(TF_THISMODULE, sz)
#define DBG2(sz1, sz2) TraceMsg(TF_THISMODULE, sz1, sz2)
#define DBG_WARN(sz) TraceMsg(TF_WARNING, sz)
#define DBG_WARN2(sz1, sz2) TraceMsg(TF_WARNING, sz1, sz2)
#ifdef DEBUG
#define DBGASSERT(expr,sz) do { if (!(expr)) TraceMsg(TF_WARNING, (sz)); } while (0)
#define DBGIID(sz,iid) DumpIID(sz,iid)
#else
#define DBGASSERT(expr,sz) ((void)0)
#define DBGIID(sz,iid) ((void)0)
#endif
// shorthand
#ifndef SAFERELEASE
#define SAFERELEASE(p) if ((p) != NULL) { (p)->Release(); (p) = NULL; } else
#endif
#ifndef ATOMICRELEASE
#define ATOMICRELEASET(p,type) { type* punkT=p; p=NULL; punkT->Release(); }
#define ATOMICRELEASE(p) ATOMICRELEASET(p, IUnknown)
#endif
#ifndef SAFEFREEBSTR
#define SAFEFREEBSTR(p) if ((p) != NULL) { SysFreeString(p); (p) = NULL; } else
#endif
#ifndef SAFEFREEOLESTR
#define SAFEFREEOLESTR(p) if ((p) != NULL) { CoTaskMemFree(p); (p) = NULL; } else
#endif
#ifndef SAFELOCALFREE
#define SAFELOCALFREE(p) if ((p) != NULL) { LocalFree(p); (p) = NULL; } else
#endif
#ifndef SAFEDELETE
#define SAFEDELETE(p) if ((p) != NULL) { delete (p); (p) = NULL; } else
#endif
#define URLDL_WNDCLASS TEXT("TridentThicketUrlDlClass")
#define ACCEPT_LANG_MAX 256
// Options for BeginDownloadURL2
typedef enum { BDU2_BROWSER // always download into the browser
} BDUMethod;
typedef DWORD BDUOptions;
// BDUOptions
#define BDU2_NONE 0
#define BDU2_NEEDSTREAM 1 // keep an istream around from bdu2_urlmon download
// OnDownloadComplete error codes
#define BDU2_ERROR_NONE 0
#define BDU2_ERROR_GENERAL 1
#define BDU2_ERROR_ABORT 2
#define BDU2_ERROR_MAXSIZE 3
#define BDU2_ERROR_TIMEOUT 4
// CUrlDowload hosts one browser and can handle one download at a time.
//
// Use of class CUrlDownload:
//
// 1) Create and AddRef it
// 1.5) call put_Flags() to set the bind status callback IBrowseControl::Flags
// 2) Call BeginDownloadURL2 to start a download
// 3) Call BeginDownloadURL2 to start another download, reusing browser
// 4) Call DoneDownloading() when finished
// 5) Release()
// DoneDownloading() must be called before Release() or the CUrlDownload instance may
// continue to receive notifications from the browser and attempt to pass them to
// the parent. It unhooks itself as soon as OnProgress(-1) is received. But be safe.
// See webcrawl.h and webcrawl.cpp for example
class CUrlDownload : public IOleClientSite // e_notimpl
, public IPropertyNotifySink // for readystate change notifications
, public IOleCommandTarget // for client pull callbacks
, public IDispatch // for ambient properties
, public IServiceProvider // for IAuthenticate and IHlinkFrame
, public IAuthenticate // for Basic and NTLM authentication
, public IHlinkFrame // for catching the post of a form
, public IInternetSecurityManager // for allowing the post of a form
{
public: CUrlDownload( CThicketProgress *ptp, HRESULT *phr, UINT cpDL ); ~CUrlDownload();
void SetFormSubmitted(BOOL fFormSubmitted) { m_fFormSubmitted = fFormSubmitted; } BOOL GetFormSubmitted(void) { return m_fFormSubmitted; }
// An E_ return code from this function may be ignored if desired. The
// client's OnDownloadComplete will be called with fAborted==TRUE after this
// function returns with an error value.
HRESULT BeginDownloadURL2(LPCWSTR, BDUMethod, BDUOptions, LPTSTR, DWORD);
HRESULT SetDLCTL(long lFlags); // DLCTL flags used for browser control
HRESULT AbortDownload(int iErrorCode=-1); // S_OK, S_FALSE, E_FAIL
void ReleaseScript() { SAFERELEASE(m_pScript); } // Releases internal reference
HRESULT GetDocument(IHTMLDocument2 **ppDoc);
void DoneDownloading(); // Call before releasing. Will destroy browser and windows.
// URL manipulation functions
static HRESULT StripAnchor(LPWSTR lpURL);
// Should only be called from CUrlDownloadMsgProc
BOOL HandleMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
// IUnknown members
STDMETHODIMP QueryInterface(REFIID riid, void **punk); STDMETHODIMP_(ULONG) AddRef(void); STDMETHODIMP_(ULONG) Release(void);
// IDispatch (ambient properties)
STDMETHODIMP GetTypeInfoCount(UINT *pctinfo); STDMETHODIMP GetTypeInfo(UINT itinfo, LCID lcid, ITypeInfo **pptinfo); STDMETHODIMP GetIDsOfNames(REFIID riid, OLECHAR **rgszNames, UINT cNames, LCID lcid, DISPID *rgdispid); STDMETHODIMP Invoke(DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pdispparams, VARIANT *pvarResult, EXCEPINFO *pexcepinfo, UINT *puArgErr);
// IOleClientSite
STDMETHODIMP SaveObject(void); STDMETHODIMP GetMoniker(DWORD dwAssign, DWORD dwWhichMoniker, IMoniker **ppmk); STDMETHODIMP GetContainer(IOleContainer **ppContainer); STDMETHODIMP ShowObject(void); STDMETHODIMP OnShowWindow(BOOL fShow); STDMETHODIMP RequestNewObjectLayout(void);
// IPropertyNotifySink
STDMETHODIMP OnChanged(DISPID dispID); STDMETHODIMP OnRequestEdit(DISPID dispID);
// IOleCommandTarget
STDMETHODIMP QueryStatus(const GUID *pguidCmdGroup, ULONG cCmds, OLECMD prgCmds[], OLECMDTEXT *pCmdText); STDMETHODIMP Exec(const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANTARG *pvaIn, VARIANTARG *pvaOut);
// IServiceProvider
STDMETHODIMP QueryService(REFGUID guidService, REFIID riid, void **ppvObject);
// IAuthenticate
STDMETHODIMP Authenticate(HWND *phwnd, LPWSTR *pszUsername, LPWSTR *pszPassword); // IHlinkFrame
STDMETHODIMP SetBrowseContext(IHlinkBrowseContext *pihlbc); STDMETHODIMP GetBrowseContext(IHlinkBrowseContext **ppihlbc); STDMETHODIMP Navigate(DWORD grfHLNF, LPBC pbc, IBindStatusCallback *pibsc, IHlink *pihlNavigate); STDMETHODIMP OnNavigate(DWORD grfHLNF, IMoniker *pimkTarget, LPCWSTR pwzLocation, LPCWSTR pwzFriendlyName, DWORD dwreserved); STDMETHODIMP UpdateHlink(ULONG uHLID, IMoniker *pimkTarget, LPCWSTR pwzLocation, LPCWSTR pwzFriendlyName);
// IInternetSecurityManager
STDMETHODIMP SetSecuritySite(IInternetSecurityMgrSite *pSite); STDMETHODIMP GetSecuritySite(IInternetSecurityMgrSite **ppSite); STDMETHODIMP MapUrlToZone(LPCWSTR pwszUrl, DWORD *pdwZone, DWORD dwFlags); STDMETHODIMP GetSecurityId(LPCWSTR pwszUrl, BYTE *pbSecurityId, DWORD *pcbSecurityId, DWORD_PTR dwReserved); STDMETHODIMP ProcessUrlAction(LPCWSTR pwszUrl, DWORD dwAction, BYTE __RPC_FAR *pPolicy, DWORD cbPolicy, BYTE *pContext, DWORD cbContext, DWORD dwFlags, DWORD dwReserved); STDMETHODIMP QueryCustomPolicy(LPCWSTR pwszUrl, REFGUID guidKey, BYTE **ppPolicy, DWORD *pcbPolicy, BYTE *pContext, DWORD cbContext, DWORD dwReserved); STDMETHODIMP SetZoneMapping(DWORD dwZone, LPCWSTR lpszPattern, DWORD dwFlags); STDMETHODIMP GetZoneMappings(DWORD dwZone, IEnumString **ppenumString, DWORD dwFlags);
protected: // main object stuff
ULONG m_cRef; HWND m_hwndMe; CThicketProgress* m_ptp; UINT m_cpDL; HRESULT *m_phr; DWORD m_dwProgMax;
// GetBrowser/CleanUpBrowser (browser download data)
IPersistMoniker *m_pPersistMk; IHTMLDocument2 *m_pDocument; IOleCommandTarget *m_pOleCmdTarget; BOOL m_fWaitingForReadyState; BOOL m_fFormSubmitted; IConnectionPoint *m_pCP; // connection point for DIID_DWebBrowserEvents
BOOL m_fAdviseOn; // our sink is hooked up? (ConnectionCookie valid)
DWORD m_dwConnectionCookie; BOOL m_fBrowserValid; // Browser pointing to 'current' URL?
// General download data
BDUMethod m_iMethod; BDUOptions m_iOptions; LPWSTR m_pwszURL; // gives us the current url after redirections
BOOL m_fSetResync; // need RESYNCHRONIZE?
DWORD m_dwMaxSize; // in bytes
// IBrowseControl
long m_lBindFlags;
// allow caching GetScript calls
IHTMLWindow2 *m_pScript;
// Client pull
LPWSTR m_pwszClientPullURL; int m_iNumClientPull;
// other internal stuff
HRESULT CreateMyWindow(); HRESULT GetBrowser(); // Get browser and set us on connection point
void UnAdviseMe(); // Unhook our advise sink
void CleanUpBrowser(); void CleanUp(); // Clean up, including releasing browser
HRESULT BeginDownloadWithBrowser(LPCWSTR);
HRESULT HandleRefresh(LPWSTR pwszEquivString, LPWSTR pwszContent, BOOL fDone);
HRESULT OnDownloadComplete(int iError); // cancel timeout, send OnDownloadComplete
HRESULT ProgressBytes(DWORD dwBytes); // Will abort if too many
};
#endif // _DWNLOAD_HXX_
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