fldoppsx.cpp
资源名称:shell.rar [点击查看]
上传用户:xhy777
上传日期:2007-02-14
资源大小:24088k
文件大小:4k
源码类别:
系统编程
开发平台:
Visual C++
- //
- // 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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