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//
// fldoppsx - Folder Options Property Sheet Extension
//
#include "stdafx.h"
#pragma hdrstop
CFolderOptionsPsx::CFolderOptionsPsx() : m_cRef(1) { DllAddRef(); }
CFolderOptionsPsx::~CFolderOptionsPsx() { ATOMICRELEASE(m_pbs2); ATOMICRELEASE(m_pgfs); DllRelease(); }
ULONG CFolderOptionsPsx::AddRef() { return InterlockedIncrement(&m_cRef); }
ULONG CFolderOptionsPsx::Release() { ULONG ulResult = InterlockedDecrement(&m_cRef);
if (ulResult == 0) { delete this; }
return ulResult; }
HRESULT CFolderOptionsPsx::QueryInterface(REFIID riid, void **ppvObj) { static const QITAB qit[] = { QITABENT(CFolderOptionsPsx, IShellPropSheetExt), QITABENT(CFolderOptionsPsx, IShellExtInit), QITABENT(CFolderOptionsPsx, IObjectWithSite), { 0 }, };
return QISearch(this, qit, riid, ppvObj); }
UINT CALLBACK CFolderOptionsPsx::PropCallback(HWND hwnd, UINT uMsg, LPPROPSHEETPAGE ppsp) { CFolderOptionsPsx *pfolder = (CFolderOptionsPsx *)ppsp->lParam;
switch (uMsg) { case PSPCB_RELEASE: pfolder->Release(); break; }
return TRUE; }
//
// We add two pages.
//
// 1. "General" - options.cpp
// 2. "View" - advanced.cpp
//
// The rule for IShellPropSheetExt is that AddPages can be called
// only once, so we don't have to worry about a second call accidentally
// screwing up our IBrowserService pointer.
//
//
HRESULT CFolderOptionsPsx::AddPages(LPFNADDPROPSHEETPAGE AddPage, LPARAM lParam) { if (!m_pgfs) { HRESULT hres = CoCreateInstance(CLSID_GlobalFolderSettings, NULL, CLSCTX_INPROC_SERVER, IID_IGlobalFolderSettings, (void **)&m_pgfs); if (FAILED(hres)) return hres; }
/*
* We can limp along without an IBrowserService. It means that * we are only modifying global settings, not per-folder settings. */
if (!m_pbs2) { IUnknown_QueryService(_punkSite, SID_SShellBrowser, IID_IBrowserService2, (void **)&m_pbs2); }
PROPSHEETPAGE psp;
/*
* We used to do this only if we aren't a rooted Explorer, * but TOuzts says to do it always. * * The lParam is a pointer back to ourselves so the page * can figure out why it was created and so the two pages * can talk to each other. */ psp.dwSize = SIZEOF(psp); psp.dwFlags = PSP_DEFAULT | PSP_USECALLBACK; psp.hInstance = HINST_THISDLL; psp.pfnCallback = CFolderOptionsPsx::PropCallback; psp.lParam = (LPARAM)this;
// "General" page.
psp.pszTemplate = MAKEINTRESOURCE(IDD_FOLDEROPTIONS); psp.pfnDlgProc = FolderOptionsDlgProc; HPROPSHEETPAGE hpage = CreatePropertySheetPage(&psp); if (hpage) { AddRef(); if (!AddPage(hpage, lParam)) { DestroyPropertySheetPage(hpage); Release(); } }
// "View" page.
psp.pszTemplate = MAKEINTRESOURCE(IDD_ADVANCEDOPTIONS); psp.pfnDlgProc = AdvancedOptionsDlgProc;
hpage = CreatePropertySheetPage(&psp); if (hpage) { AddRef(); if (!AddPage(hpage, lParam)) { DestroyPropertySheetPage(hpage); Release(); } }
return S_OK; }
HRESULT CFolderOptionsPsx::ReplacePage(UINT uPageID, LPFNADDPROPSHEETPAGE lpfnReplaceWith, LPARAM lParam) { return S_OK; }
HRESULT CFolderOptionsPsx::Initialize(LPCITEMIDLIST pidlFolder, IDataObject *pdtobj, HKEY hkeyProgID) { return S_OK; }
STDAPI CFolderOptionsPsx_CreateInstance(IUnknown *punkOuter, REFIID riid, void **ppvOut) { CFolderOptionsPsx *pfopt = new CFolderOptionsPsx(); if (pfopt) { HRESULT hres = pfopt->QueryInterface(riid, ppvOut); pfopt->Release(); return hres; }
*ppvOut = NULL; return E_OUTOFMEMORY; }
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