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