dll/win32/shell32/CSendToMenu.h

   1 /*
   2  * provides new shell item service
   3  *
   4  * Copyright 2019 Katayama Hirofumi MZ.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef _SHV_ITEM_SENDTO_H_
  22 #define _SHV_ITEM_SENDTO_H_
  23
  24 extern "C" const GUID CLSID_SendToMenu;
  25
  26 class CSendToMenu :
  27     public CComCoClass<CSendToMenu, &CLSID_SendToMenu>,
  28     public CComObjectRootEx<CComMultiThreadModelNoCS>,
  29     public IContextMenu3,
  30     public IShellExtInit
  31 {
  32 private:
  33     struct SENDTO_ITEM
  34     {
  35         SENDTO_ITEM *pNext;
  36         PITEMID_CHILD pidlChild;
  37         LPWSTR pszText;
  38         HICON hIcon;
  39
  40         SENDTO_ITEM(PITEMID_CHILD child, LPWSTR text, HICON icon)
  41             : pNext(NULL)
  42             , pidlChild(child)
  43             , pszText(text)
  44             , hIcon(icon)
  45         {
  46         }
  47
  48         ~SENDTO_ITEM()
  49         {
  50             CoTaskMemFree(pidlChild);
  51             CoTaskMemFree(pszText);
  52             DestroyIcon(hIcon);
  53         }
  54
  55     private:
  56         SENDTO_ITEM();
  57         SENDTO_ITEM(const SENDTO_ITEM&);
  58         SENDTO_ITEM& operator=(const SENDTO_ITEM&);
  59     };
  60
  61     HMENU m_hSubMenu;
  62     SENDTO_ITEM *m_pItems;
  63     UINT m_idCmdFirst;
  64
  65     CComPtr<IShellFolder> m_pDesktop;
  66     CComPtr<IShellFolder> m_pSendTo;
  67     CComPtr<IDataObject> m_pDataObject;
  68
  69     HRESULT LoadAllItems(HWND hwnd);
  70     void UnloadAllItems();
  71
  72     BOOL FolderHasAnyItems() const;
  73     HRESULT CreateSendToFiles(LPCWSTR pszSendTo);
  74
  75     UINT InsertSendToItems(HMENU hMenu, UINT idFirst, UINT idMenu);
  76
  77     SENDTO_ITEM *FindItemFromIdOffset(UINT IdOffset);
  78     HRESULT DoSendToItem(SENDTO_ITEM *pItem, LPCMINVOKECOMMANDINFO lpici);
  79
  80     HRESULT DoDrop(IDataObject *pDataObject, IDropTarget *pDropTarget);
  81     HRESULT GetSpecialFolder(HWND hwnd, IShellFolder **ppFolder, int csidl,
  82                              PIDLIST_ABSOLUTE *ppidl = NULL);
  83     HRESULT GetUIObjectFromPidl(HWND hwnd, PIDLIST_ABSOLUTE pidl, REFIID riid, LPVOID *ppvOut);
  84
  85 public:
  86     CSendToMenu();
  87     ~CSendToMenu();
  88
  89     // IContextMenu
  90     STDMETHODIMP QueryContextMenu(HMENU hMenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags);
  91     STDMETHODIMP InvokeCommand(LPCMINVOKECOMMANDINFO lpcmi);
  92     STDMETHODIMP GetCommandString(UINT_PTR idCommand, UINT uFlags, UINT *lpReserved, LPSTR lpszName, UINT uMaxNameLen);
  93
  94     // IContextMenu3
  95     STDMETHODIMP HandleMenuMsg2(UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *plResult);
  96
  97     // IContextMenu2
  98     STDMETHODIMP HandleMenuMsg(UINT uMsg, WPARAM wParam, LPARAM lParam);
  99
 100     // IShellExtInit
 101     STDMETHODIMP Initialize(PCIDLIST_ABSOLUTE pidlFolder, IDataObject *pdtobj, HKEY hkeyProgID);
 102
 103     DECLARE_REGISTRY_RESOURCEID(IDR_SENDTOMENU)
 104     DECLARE_NOT_AGGREGATABLE(CSendToMenu)
 105     DECLARE_PROTECT_FINAL_CONSTRUCT()
 106
 107     BEGIN_COM_MAP(CSendToMenu)
 108         COM_INTERFACE_ENTRY_IID(IID_IContextMenu3, IContextMenu3)
 109         COM_INTERFACE_ENTRY_IID(IID_IContextMenu2, IContextMenu2)
 110         COM_INTERFACE_ENTRY_IID(IID_IContextMenu, IContextMenu)
 111         COM_INTERFACE_ENTRY_IID(IID_IShellExtInit, IShellExtInit)
 112     END_COM_MAP()
 113 };
 114
 115 #endif /* _SHV_ITEM_SENDTO_H_ */