dll/shellext/mydocs/CMyDocsDropHandler.hpp

   1 /*
   2  * PROJECT:     mydocs
   3  * LICENSE:     LGPL-2.1+ (https://spdx.org/licenses/LGPL-2.1+)
   4  * PURPOSE:     MyDocs implementation
   5  * COPYRIGHT:   Copyright 2020 Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
   6  */
   7
   8 #pragma once
   9
  10 #include "resource.h"
  11
  12 class CMyDocsDropHandler :
  13     public CComCoClass<CMyDocsDropHandler, &CLSID_MyDocsDropHandler>,
  14     public CComObjectRootEx<CComMultiThreadModelNoCS>,
  15     public IDropTarget,
  16     public IPersistFile
  17 {
  18 public:
  19     CMyDocsDropHandler();
  20     ~CMyDocsDropHandler();
  21
  22     // IDropTarget
  23     STDMETHODIMP DragEnter(IDataObject *pDataObject, DWORD dwKeyState,
  24                            POINTL pt, DWORD *pdwEffect);
  25     STDMETHODIMP DragOver(DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
  26     STDMETHODIMP DragLeave();
  27     STDMETHODIMP Drop(IDataObject *pDataObject, DWORD dwKeyState, POINTL pt,
  28                       DWORD *pdwEffect);
  29
  30     // IPersist
  31     STDMETHODIMP GetClassID(CLSID *lpClassId);
  32
  33     // IPersistFile
  34     STDMETHODIMP GetCurFile(LPOLESTR *ppszFileName);
  35     STDMETHODIMP IsDirty();
  36     STDMETHODIMP Load(LPCOLESTR pszFileName, DWORD dwMode);
  37     STDMETHODIMP Save(LPCOLESTR pszFileName, BOOL fRemember);
  38     STDMETHODIMP SaveCompleted(LPCOLESTR pszFileName);
  39
  40     DECLARE_REGISTRY_RESOURCEID(IDR_MYDOCS)
  41     DECLARE_NOT_AGGREGATABLE(CMyDocsDropHandler)
  42
  43     DECLARE_PROTECT_FINAL_CONSTRUCT()
  44
  45     BEGIN_COM_MAP(CMyDocsDropHandler)
  46         COM_INTERFACE_ENTRY_IID(IID_IPersist, IPersist)
  47         COM_INTERFACE_ENTRY_IID(IID_IPersistFile, IPersistFile)
  48         COM_INTERFACE_ENTRY_IID(IID_IDropTarget, IDropTarget)
  49     END_COM_MAP()
  50 };