Source code of Windows XP (NT5)
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79 lines
2.6 KiB

#ifndef _BASEFVCB_
#define _BASEFVCB_
#include <cowsite.h>
// base shell folder view callback to derive from
class CBaseShellFolderViewCB : public IShellFolderViewCB,
public IServiceProvider,
public CObjectWithSite
{
public:
CBaseShellFolderViewCB(LPCITEMIDLIST pidl, LONG lEvents);
STDMETHOD(RealMessage)(UINT uMsg, WPARAM wParam, LPARAM lParam) PURE;
// IUnknown
STDMETHODIMP QueryInterface(REFIID riid, void **ppv);
STDMETHODIMP_(ULONG) AddRef();
STDMETHODIMP_(ULONG) Release();
// IShellFolderViewCB
STDMETHODIMP MessageSFVCB(UINT uMsg, WPARAM wParam, LPARAM lParam);
// IServiceProvider
STDMETHODIMP QueryService(REFGUID guidService, REFIID riid, void **ppv) { *ppv = NULL; return E_NOTIMPL; };
protected:
virtual ~CBaseShellFolderViewCB();
HRESULT _BrowseObject(LPCITEMIDLIST pidlFull, UINT uFlags = 0)
{
IShellBrowser* psb;
HRESULT hr = IUnknown_QueryService(_punkSite, SID_STopLevelBrowser, IID_PPV_ARG(IShellBrowser, &psb));
if (SUCCEEDED(hr))
{
hr = psb->BrowseObject(pidlFull, uFlags);
psb->Release();
}
return hr;
}
HWND _hwndMain;
LONG _cRef;
LPITEMIDLIST _pidl;
LONG _lEvents;
};
// view callback helpers
typedef struct {
ULONGLONG cbBytes; // total size of items selected
int nItems; // number of items selected
int cFiles; // # of files
int cHiddenFiles; // # of hiddenf iles
ULONGLONG cbSize; // total size of selected files
int cNonFolders; // how many non-folders we have
TCHAR szDrive[MAX_PATH];// drive info (if in explorer mode)
ULONGLONG cbFree; // drive free space
} FSSELCHANGEINFO;
// status bar helpers to be used from the view callback
STDAPI ViewUpdateStatusBar(IUnknown *psite, LPCITEMIDLIST pidlFolder, FSSELCHANGEINFO *pfssci);
STDAPI_(void) ViewInsertDeleteItem(IShellFolder2 *psf, FSSELCHANGEINFO *pfssci, LPCITEMIDLIST pidl, int iMul);
STDAPI_(void) ViewSelChange(IShellFolder2 *psf, SFVM_SELCHANGE_DATA* pdvsci, FSSELCHANGEINFO *pfssci);
STDAPI_(void) ResizeStatus(IUnknown *psite, UINT cx);
STDAPI_(void) InitializeStatus(IUnknown *psite);
STDAPI_(void) SetStatusText(IUnknown *psite, LPCTSTR *ppszText, int iStart, int iEnd);
// view callback helpers
STDAPI DefaultGetWebViewTemplateFromHandler(LPCTSTR pszKey, SFVM_WEBVIEW_TEMPLATE_DATA* pvi);
STDAPI DefaultGetWebViewTemplateFromClsid(REFCLSID clsid, SFVM_WEBVIEW_TEMPLATE_DATA* pvi);
STDAPI DefaultGetWebViewTemplateFromPath(LPCTSTR pszDir, SFVM_WEBVIEW_TEMPLATE_DATA* pvi);
#endif // _BASEFVCB_