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WindowsXP-SP1/shell/shell32/clsobj.c

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//
// This file contains the DllGetClassObject for the shell32.dll COM objects
//
#include "shellprv.h"
#pragma hdrstop
#include <shguidp.h> // get the CLSID definitions, the bits are built into shguidp.lib
#include <shlguid.h>
#include <shldisp.h>
#include "actdesk.h"
#include "ovrlaymn.h"
#include "treewalk.h"
#include "openwith.h"
#include "clsobj.h"
#define DllAddRef() // once we implement DllCanUnloadNow we need these
#define DllRelease()
// static class factory (no allocs!)
typedef struct {
const IClassFactoryVtbl *cf;
REFCLSID rclsid;
HRESULT (*pfnCreate)(IUnknown *, REFIID, void **);
ULONG flags;
} OBJ_ENTRY;
// flags:
#define OBJ_AGGREGATABLE 1
extern const IClassFactoryVtbl c_CFVtbl; // forward
//
// we always do a linear search here so put your most often used things first
//
// we save code by checking aggregation on our side (have a bit in this const table)
// instead of having each CreateInstance function do it (since most are not aggregatable)
//
const OBJ_ENTRY c_clsmap[] = {
{ &c_CFVtbl, &CLSID_QueryAssociations, CQueryAssociations_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_MyDocuments, CMyDocsFolder_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_ShellDesktop, CDesktop_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_ShellFSFolder, CFSFolder_CreateInstance, OBJ_AGGREGATABLE },
{ &c_CFVtbl, &CLSID_MyComputer, CDrives_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_NetworkPlaces, CNetwork_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_ShellFileDefExt, CShellFileDefExt_CreateInstance, OBJ_AGGREGATABLE },
{ &c_CFVtbl, &CLSID_ShellItem, CShellItem_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_OpenWithMenu, COpenWithMenu_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_ShellLink, CShellLink_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_ShellDrvDefExt, CShellDrvDefExt_CreateInstance, OBJ_AGGREGATABLE },
{ &c_CFVtbl, &CLSID_ShellNetDefExt, CShellDrvDefExt_CreateInstance, OBJ_AGGREGATABLE },
{ &c_CFVtbl, &CLSID_ShellCopyHook, CCopyHook_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_ControlPanel, CControlPanel_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_Printers, CPrinters_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_RecycleBin, CBitBucket_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_PifProperties, CProxyPage_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_CFSIconOverlayManager, CFSIconOverlayManager_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_RecycleBinCleaner, CRecycleBinCleaner_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_DocFindFolder, CDocFindFolder_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_DocFindPersistHistory, CFindPersistHistory_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_DefViewPersistHistory, CDefViewPersistHistory_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_ComputerFindFolder, CComputerFindFolder_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_DocFindCommand, CDocFindCommand_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_CShellTreeWalker, CShellTreeWalker_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_BriefcaseFolder, CFSBrfFolder_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_DocFileColumnProvider, CDocFileColumns_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_LinkColumnProvider, CLinkColumnProvider_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_FileSysColumnProvider, CFileSysColumnProvider_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_FileSearchBand, CFileSearchBand_CreateInstance, OBJ_AGGREGATABLE },
{ &c_CFVtbl, &CLSID_FolderShortcut, CFolderShortcut_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_MountedVolume, CMountedVolume_CreateInstance, 0 },
// menuband objects
{ &c_CFVtbl, &CLSID_MenuBand, CMenuBand_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_ISFBand, CISFBand_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_QuickLinks, CQuickLinks_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_TrackShellMenu, CTrackShellMenu_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_MenuBandSite, CMenuBandSite_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_MenuDeskBar, CMenuDeskBar_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_ActiveDesktop, CActiveDesktop_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_DeskMovr, CDeskMovr_CreateInstance, OBJ_AGGREGATABLE },
{ &c_CFVtbl, &CLSID_CopyToMenu, CCopyToMenu_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_MoveToMenu, CMoveToMenu_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_CDeskHtmlProp, CDeskHtmlProp_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_ShellFldSetExt, CFolderOptionsPsx_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_Shell, CShellDispatch_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_ShellFolderView, CShellFolderView_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_ShellFolderViewOC, CShellFolderViewOC_CreateInstance, OBJ_AGGREGATABLE },
{ &c_CFVtbl, &CLSID_MigrationWizardAuto, CMigrationWizardAuto_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_WebViewFolderContents, CWebViewFolderContents_CreateInstance, OBJ_AGGREGATABLE },
{ &c_CFVtbl, &CLSID_StartMenu, CStartMenu_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_CmdFileIcon, CShellCmdFileIcon_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_NewMenu, CNewMenu_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_SendToMenu, CSendToMenu_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_FileTypes, CFileTypes_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_MIMEFileTypesHook, CFileTypes_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_DragDropHelper, CDragImages_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_ExeDropTarget, CExeDropTarget_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_FolderItem, CFolderItem_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_FolderItemsFDF, CFolderItemsFDF_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_NetCrawler, CNetCrawler_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_WorkgroupNetCrawler, CWorkgroupCrawler_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_EncryptionContextMenuHandler, CEncryptionContextMenuHandler_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_PropertiesUI, CPropertyUI_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_TimeCategorizer, CTimeCategorizer_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_SizeCategorizer, CSizeCategorizer_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_DriveSizeCategorizer, CDriveSizeCategorizer_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_DriveTypeCategorizer, CDriveTypeCategorizer_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_FreeSpaceCategorizer, CFreeSpaceCategorizer_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_MergedCategorizer, CMergedCategorizer_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_StgFolder, CStgFolder_CreateInstance, OBJ_AGGREGATABLE},
{ &c_CFVtbl, &CLSID_DynamicStorage, CDynamicStorage_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_CDBurn, CCDBurn_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_BurnAudioCDExtension, CBurnAudioCDExtension_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_LocalCopyHelper, CLocalCopyHelper_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_MergedFolder, CMergedFolder_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_CDBurnFolder, CCDBurnFolder_CreateInstance, 0},
// { &c_CFVtbl, &CLSID_TripleD, CTripleD_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_CompositeFolder, CCompositeFolder_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_StartMenuFolder, CStartMenuFolder_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_ProgramsFolder, CProgramsFolder_CreateInstance, 0},
#ifdef FEATURE_STARTPAGE
{ &c_CFVtbl, &CLSID_MoreDocumentsFolder, CMoreDocumentsFolder_CreateInstance, 0},
#endif
// { &c_CFVtbl, &CLSID_SyreCleaner, CSystemRestoreCleaner_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_VersionColProvider, CVerColProvider_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_HWShellExecute, CHWShellExecute_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_ShellAutoplay, CDeviceEventHandler_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_AutoPlayVerb, CAutoPlayVerb_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_UserNotification, CUserNotification_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_UserEventTimer, CUserEventTimer_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_StorageProcessor, CStorageProcessor_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_TransferConfirmationUI, CTransferConfirmation_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_AutomationCM, CAutomationCM_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_ShellThumbnailDiskCache, CThumbStore_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_DefCategoryProvider, CCategoryProvider_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_SharedDocuments, CSharedDocFolder_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_PostBootReminder, CPostBootReminder_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_Thumbnail, CThumbnail_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_StartMenuPin, CStartMenuPin_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_ClientExtractIcon, CClientExtractIcon_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_FolderCustomize, CFolderCustomize_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_CWebViewMimeFilter, CWebViewMimeFilter_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_WebViewRegTreeItem, CWebViewRegTreeItem_CreateInstance, 0},
{ &c_CFVtbl, &CLSID_ThemesRegTreeItem, CThemesRegTreeItem_CreateInstance, 0},
// { &c_CFVtbl, &CLSID_WirelessDevices, CWirelessDevices_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_NamespaceWalker, CNamespaceWalk_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_WebWizardHost, CWebWizardPage_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_PersonalStartMenu, CPersonalStartMenu_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_FadeTask, CFadeTask_CreateInstance, 0 },
{ &c_CFVtbl, &CLSID_FolderViewHost, CFolderViewHost_CreateInstance, 0 },
{ NULL, NULL, NULL }
};
STDMETHODIMP CCF_QueryInterface(IClassFactory *pcf, REFIID riid, void **ppvObj)
{
// OBJ_ENTRY *this = IToClass(OBJ_ENTRY, cf, pcf);
if (IsEqualIID(riid, &IID_IClassFactory) || IsEqualIID(riid, &IID_IUnknown))
{
*ppvObj = (void *)pcf;
DllAddRef();
return NOERROR;
}
*ppvObj = NULL;
return E_NOINTERFACE;
}
STDMETHODIMP_(ULONG) CCF_AddRef(IClassFactory *pcf)
{
DllAddRef();
return 2;
}
STDMETHODIMP_(ULONG) CCF_Release(IClassFactory *pcf)
{
DllRelease();
return 1;
}
STDMETHODIMP CCF_CreateInstance(IClassFactory *pcf, IUnknown *punkOuter, REFIID riid, void **ppvObject)
{
OBJ_ENTRY *this = IToClass(OBJ_ENTRY, cf, pcf);
*ppvObject = NULL; // to avoid nulling it out in every create function...
if (punkOuter && !(this->flags & OBJ_AGGREGATABLE))
return CLASS_E_NOAGGREGATION;
return this->pfnCreate(punkOuter, riid, ppvObject);
}
STDMETHODIMP CCF_LockServer(IClassFactory *pcf, BOOL fLock)
{
/* SHELL32.DLL does not implement DllCanUnloadNow, thus does not have a DLL refcount
This means we can never unload!
if (fLock)
DllAddRef();
else
DllRelease();
*/
return S_OK;
}
const IClassFactoryVtbl c_CFVtbl = {
CCF_QueryInterface, CCF_AddRef, CCF_Release,
CCF_CreateInstance,
CCF_LockServer
};
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
{
if (IsEqualIID(riid, &IID_IClassFactory) || IsEqualIID(riid, &IID_IUnknown))
{
const OBJ_ENTRY *pcls;
for (pcls = c_clsmap; pcls->rclsid; pcls++)
{
if (IsEqualIID(rclsid, pcls->rclsid))
{
*ppv = (void *)&(pcls->cf);
DllAddRef();
return NOERROR;
}
}
#ifdef DEBUG
{
TCHAR szClass[GUIDSTR_MAX];
SHStringFromGUID(rclsid, szClass, ARRAYSIZE(szClass));
AssertMsg(TF_ERROR,
TEXT("DllGetClassObject !!! %s not in shell32; ")
TEXT("corrupted registry?"), szClass);
}
#endif
}
*ppv = NULL;
return CLASS_E_CLASSNOTAVAILABLE;
}
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