drvdefext.h

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/*
 * Provides default drive shell extension
 *
 * Copyright 2012 Rafal Harabien
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef _DRV_DEF_EXT_H_
#define _DRV_DEF_EXT_H_

class CDrvDefExt :
    public CComCoClass<CDrvDefExt, &CLSID_ShellDrvDefExt>,
    public CComObjectRootEx<CComMultiThreadModelNoCS>,
    public IShellExtInit,
    public IContextMenu,
    public IShellPropSheetExt,
    public IObjectWithSite
{
private:
    VOID PaintStaticControls(HWND hwndDlg, LPDRAWITEMSTRUCT pDrawItem);
    VOID InitGeneralPage(HWND hwndDlg);
    static INT_PTR CALLBACK GeneralPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
    static INT_PTR CALLBACK ExtraPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
    static INT_PTR CALLBACK HardwarePageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);

    WCHAR m_wszDrive[MAX_PATH];
    UINT m_FreeSpacePerc;

public:
    CDrvDefExt();
    ~CDrvDefExt();

    // IShellExtInit
    virtual HRESULT STDMETHODCALLTYPE Initialize(PCIDLIST_ABSOLUTE pidlFolder, IDataObject *pDataObj, HKEY hkeyProgID);

    // IContextMenu
    virtual HRESULT WINAPI QueryContextMenu(HMENU hmenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags);
    virtual HRESULT WINAPI InvokeCommand(LPCMINVOKECOMMANDINFO lpici);
    virtual HRESULT WINAPI GetCommandString(UINT_PTR idCmd, UINT uType, UINT *pwReserved, LPSTR pszName, UINT cchMax);

    // IShellPropSheetExt
    virtual HRESULT WINAPI AddPages(LPFNADDPROPSHEETPAGE pfnAddPage, LPARAM lParam);
    virtual HRESULT WINAPI ReplacePage(UINT uPageID, LPFNADDPROPSHEETPAGE pfnReplacePage, LPARAM lParam);

    // IObjectWithSite
    virtual HRESULT WINAPI SetSite(IUnknown *punk);
    virtual HRESULT WINAPI GetSite(REFIID iid, void **ppvSite);

DECLARE_REGISTRY_RESOURCEID(IDR_DRVDEFEXT)
DECLARE_NOT_AGGREGATABLE(CDrvDefExt)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(CDrvDefExt)
    COM_INTERFACE_ENTRY_IID(IID_IShellExtInit, IShellExtInit)
    COM_INTERFACE_ENTRY_IID(IID_IContextMenu, IContextMenu)
    COM_INTERFACE_ENTRY_IID(IID_IShellPropSheetExt, IShellPropSheetExt)
    COM_INTERFACE_ENTRY_IID(IID_IObjectWithSite, IObjectWithSite)
END_COM_MAP()
};

#endif /* _DRV_DEF_EXT_H_ */