reactos/dll/win32/browseui/explorerband.h

   1 /*
   2  * ReactOS Explorer
   3  *
   4  * Copyright 2016 Sylvain Deverre <deverre dot sylv at gmail dot com>
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #pragma once
  22
  23 #define WM_USER_SHELLEVENT WM_USER+88
  24 #define WM_USER_FOLDEREVENT WM_USER+88
  25
  26 class CExplorerBand :
  27     public CComCoClass<CExplorerBand, &CLSID_ExplorerBand>,
  28     public CComObjectRootEx<CComMultiThreadModelNoCS>,
  29     public IDeskBand,
  30     public IObjectWithSite,
  31     public IInputObject,
  32     public IPersistStream,
  33     public IOleCommandTarget,
  34     public IServiceProvider,
  35     public IBandNavigate,
  36     public IWinEventHandler,
  37     public INamespaceProxy,
  38     public IDispatch,
  39     public IDropSource,
  40     public IDropTarget,
  41     public CWindowImpl<CExplorerBand, CWindow, CControlWinTraits>
  42 {
  43
  44 private:
  45     class NodeInfo
  46     {
  47     public:
  48         LPITEMIDLIST absolutePidl;
  49         LPITEMIDLIST relativePidl;
  50         BOOL expanded;
  51     };
  52
  53     // *** BaseBarSite information ***
  54     CComPtr<IUnknown> pSite;
  55     CComPtr<IShellFolder> pDesktop;
  56
  57     // *** tree explorer band stuff ***
  58     BOOL fVisible;
  59     BOOL bFocused;
  60     DWORD dwBandID;
  61     HIMAGELIST hImageList;
  62     HTREEITEM  hRoot;
  63
  64     // *** notification cookies ***
  65     DWORD adviseCookie;
  66     ULONG shellRegID;
  67
  68     void InitializeExplorerBand();
  69     void DestroyExplorerBand();
  70
  71     BOOL OnTreeItemExpanding(LPNMTREEVIEW pnmtv);
  72     void OnSelectionChanged(LPNMTREEVIEW pnmtv);
  73
  74     // *** Helper functions ***
  75     NodeInfo* GetNodeInfo(HTREEITEM hItem);
  76     HRESULT UpdateBrowser(LPITEMIDLIST pidlGoto);
  77     HTREEITEM InsertItem(HTREEITEM hParent, IShellFolder *psfParent, LPITEMIDLIST pElt, LPITEMIDLIST pEltRelative, BOOL bSort);
  78     BOOL InsertSubitems(HTREEITEM hItem, NodeInfo *pNodeInfo);
  79
  80 public:
  81     CExplorerBand();
  82     virtual ~CExplorerBand();
  83
  84     // *** IOleWindow methods ***
  85     virtual HRESULT STDMETHODCALLTYPE GetWindow(HWND *lphwnd);
  86     virtual HRESULT STDMETHODCALLTYPE ContextSensitiveHelp(BOOL fEnterMode);
  87
  88     // *** IDockingWindow methods ***
  89     virtual HRESULT STDMETHODCALLTYPE CloseDW(DWORD dwReserved);
  90     virtual HRESULT STDMETHODCALLTYPE ResizeBorderDW(const RECT *prcBorder, IUnknown *punkToolbarSite, BOOL fReserved);
  91     virtual HRESULT STDMETHODCALLTYPE ShowDW(BOOL fShow);
  92
  93     // *** IDeskBand methods ***
  94     virtual HRESULT STDMETHODCALLTYPE GetBandInfo(DWORD dwBandID, DWORD dwViewMode, DESKBANDINFO *pdbi);
  95
  96     // *** IObjectWithSite methods ***
  97     virtual HRESULT STDMETHODCALLTYPE SetSite(IUnknown *pUnkSite);
  98     virtual HRESULT STDMETHODCALLTYPE GetSite(REFIID riid, void **ppvSite);
  99
 100     // *** IOleCommandTarget methods ***
 101     virtual HRESULT STDMETHODCALLTYPE QueryStatus(const GUID *pguidCmdGroup, ULONG cCmds, OLECMD prgCmds [], OLECMDTEXT *pCmdText);
 102     virtual HRESULT STDMETHODCALLTYPE Exec(const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT *pvaIn, VARIANT *pvaOut);
 103
 104     // *** IServiceProvider methods ***
 105     virtual HRESULT STDMETHODCALLTYPE QueryService(REFGUID guidService, REFIID riid, void **ppvObject);
 106
 107     // *** IInputObject methods ***
 108     virtual HRESULT STDMETHODCALLTYPE UIActivateIO(BOOL fActivate, LPMSG lpMsg);
 109     virtual HRESULT STDMETHODCALLTYPE HasFocusIO();
 110     virtual HRESULT STDMETHODCALLTYPE TranslateAcceleratorIO(LPMSG lpMsg);
 111
 112     // *** IPersist methods ***
 113     virtual HRESULT STDMETHODCALLTYPE GetClassID(CLSID *pClassID);
 114
 115     // *** IPersistStream methods ***
 116     virtual HRESULT STDMETHODCALLTYPE IsDirty();
 117     virtual HRESULT STDMETHODCALLTYPE Load(IStream *pStm);
 118     virtual HRESULT STDMETHODCALLTYPE Save(IStream *pStm, BOOL fClearDirty);
 119     virtual HRESULT STDMETHODCALLTYPE GetSizeMax(ULARGE_INTEGER *pcbSize);
 120
 121     // *** IWinEventHandler methods ***
 122     virtual HRESULT STDMETHODCALLTYPE OnWinEvent(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *theResult);
 123     virtual HRESULT STDMETHODCALLTYPE IsWindowOwner(HWND hWnd);
 124
 125     // *** IBandNavigate methods ***
 126     virtual HRESULT STDMETHODCALLTYPE Select(long paramC);
 127
 128     // *** INamespaceProxy ***
 129     virtual HRESULT STDMETHODCALLTYPE GetNavigateTarget(long paramC, long param10, long param14);
 130     virtual HRESULT STDMETHODCALLTYPE Invoke(long paramC);
 131     virtual HRESULT STDMETHODCALLTYPE OnSelectionChanged(long paramC);
 132     virtual HRESULT STDMETHODCALLTYPE RefreshFlags(long paramC, long param10, long param14);
 133     virtual HRESULT STDMETHODCALLTYPE CacheItem(long paramC);
 134
 135     // *** IDispatch methods ***
 136     virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT *pctinfo);
 137     virtual HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo);
 138     virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId);
 139     virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr);
 140
 141     // *** IDropTarget methods ***
 142     virtual HRESULT STDMETHODCALLTYPE DragEnter(IDataObject *pObj, DWORD glfKeyState, POINTL pt, DWORD *pdwEffect);
 143     virtual HRESULT STDMETHODCALLTYPE DragOver(DWORD glfKeyState, POINTL pt, DWORD *pdwEffect);
 144     virtual HRESULT STDMETHODCALLTYPE DragLeave();
 145     virtual HRESULT STDMETHODCALLTYPE Drop(IDataObject *pObj, DWORD glfKeyState, POINTL pt, DWORD *pdwEffect);
 146
 147     // *** IDropSource methods ***
 148     virtual HRESULT STDMETHODCALLTYPE QueryContinueDrag(BOOL fEscapePressed, DWORD grfKeyState);
 149     virtual HRESULT STDMETHODCALLTYPE GiveFeedback(DWORD dwEffect);
 150
 151     DECLARE_REGISTRY_RESOURCEID(IDR_EXPLORERBAND)
 152     DECLARE_NOT_AGGREGATABLE(CExplorerBand)
 153
 154     DECLARE_PROTECT_FINAL_CONSTRUCT()
 155
 156     BEGIN_COM_MAP(CExplorerBand)
 157         COM_INTERFACE_ENTRY_IID(IID_IDispatch, IDispatch)
 158         COM_INTERFACE_ENTRY_IID(IID_IWinEventHandler, IWinEventHandler)
 159         COM_INTERFACE_ENTRY_IID(IID_IBandNavigate, IBandNavigate)
 160         COM_INTERFACE_ENTRY_IID(IID_INamespaceProxy, INamespaceProxy)
 161         COM_INTERFACE_ENTRY2_IID(IID_IOleWindow, IOleWindow, IDeskBand)
 162         COM_INTERFACE_ENTRY2_IID(IID_IDockingWindow, IDockingWindow, IDeskBand)
 163         COM_INTERFACE_ENTRY_IID(IID_IDeskBand, IDeskBand)
 164         COM_INTERFACE_ENTRY_IID(IID_IObjectWithSite, IObjectWithSite)
 165         COM_INTERFACE_ENTRY_IID(IID_IOleCommandTarget, IOleCommandTarget)
 166         COM_INTERFACE_ENTRY_IID(IID_IServiceProvider, IServiceProvider)
 167         COM_INTERFACE_ENTRY_IID(IID_IInputObject, IInputObject)
 168         COM_INTERFACE_ENTRY2_IID(IID_IPersist, IPersist, IPersistStream)
 169         COM_INTERFACE_ENTRY_IID(IID_IPersistStream, IPersistStream)
 170     END_COM_MAP()
 171
 172     BEGIN_MSG_MAP(CExplorerBand)
 173     END_MSG_MAP()
 174 };
 175
 176 extern "C"
 177 HRESULT WINAPI CExplorerBand_Constructor(REFIID riid, LPVOID *ppv);