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 bNavigating;
  60     BOOL bFocused;
  61     DWORD dwBandID;
  62     HIMAGELIST hImageList;
  63     HTREEITEM  hRoot;
  64
  65     // *** notification cookies ***
  66     DWORD adviseCookie;
  67     ULONG shellRegID;
  68
  69     void InitializeExplorerBand();
  70     void DestroyExplorerBand();
  71
  72     BOOL OnTreeItemExpanding(LPNMTREEVIEW pnmtv);
  73     void OnSelectionChanged(LPNMTREEVIEW pnmtv);
  74
  75     // *** Helper functions ***
  76     NodeInfo* GetNodeInfo(HTREEITEM hItem);
  77     HRESULT UpdateBrowser(LPITEMIDLIST pidlGoto);
  78     HTREEITEM InsertItem(HTREEITEM hParent, IShellFolder *psfParent, LPITEMIDLIST pElt, LPITEMIDLIST pEltRelative, BOOL bSort);
  79     HTREEITEM InsertItem(HTREEITEM hParent, LPITEMIDLIST pElt, LPITEMIDLIST pEltRelative, BOOL bSort);
  80     BOOL InsertSubitems(HTREEITEM hItem, NodeInfo *pNodeInfo);
  81     BOOL NavigateToPIDL(LPITEMIDLIST dest, HTREEITEM *item, BOOL bExpand, BOOL bInsert, BOOL bSelect);
  82     BOOL NavigateToCurrentFolder();
  83
  84 public:
  85     CExplorerBand();
  86     virtual ~CExplorerBand();
  87
  88     // *** IOleWindow methods ***
  89     virtual HRESULT STDMETHODCALLTYPE GetWindow(HWND *lphwnd);
  90     virtual HRESULT STDMETHODCALLTYPE ContextSensitiveHelp(BOOL fEnterMode);
  91
  92     // *** IDockingWindow methods ***
  93     virtual HRESULT STDMETHODCALLTYPE CloseDW(DWORD dwReserved);
  94     virtual HRESULT STDMETHODCALLTYPE ResizeBorderDW(const RECT *prcBorder, IUnknown *punkToolbarSite, BOOL fReserved);
  95     virtual HRESULT STDMETHODCALLTYPE ShowDW(BOOL fShow);
  96
  97     // *** IDeskBand methods ***
  98     virtual HRESULT STDMETHODCALLTYPE GetBandInfo(DWORD dwBandID, DWORD dwViewMode, DESKBANDINFO *pdbi);
  99
 100     // *** IObjectWithSite methods ***
 101     virtual HRESULT STDMETHODCALLTYPE SetSite(IUnknown *pUnkSite);
 102     virtual HRESULT STDMETHODCALLTYPE GetSite(REFIID riid, void **ppvSite);
 103
 104     // *** IOleCommandTarget methods ***
 105     virtual HRESULT STDMETHODCALLTYPE QueryStatus(const GUID *pguidCmdGroup, ULONG cCmds, OLECMD prgCmds [], OLECMDTEXT *pCmdText);
 106     virtual HRESULT STDMETHODCALLTYPE Exec(const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT *pvaIn, VARIANT *pvaOut);
 107
 108     // *** IServiceProvider methods ***
 109     virtual HRESULT STDMETHODCALLTYPE QueryService(REFGUID guidService, REFIID riid, void **ppvObject);
 110
 111     // *** IInputObject methods ***
 112     virtual HRESULT STDMETHODCALLTYPE UIActivateIO(BOOL fActivate, LPMSG lpMsg);
 113     virtual HRESULT STDMETHODCALLTYPE HasFocusIO();
 114     virtual HRESULT STDMETHODCALLTYPE TranslateAcceleratorIO(LPMSG lpMsg);
 115
 116     // *** IPersist methods ***
 117     virtual HRESULT STDMETHODCALLTYPE GetClassID(CLSID *pClassID);
 118
 119     // *** IPersistStream methods ***
 120     virtual HRESULT STDMETHODCALLTYPE IsDirty();
 121     virtual HRESULT STDMETHODCALLTYPE Load(IStream *pStm);
 122     virtual HRESULT STDMETHODCALLTYPE Save(IStream *pStm, BOOL fClearDirty);
 123     virtual HRESULT STDMETHODCALLTYPE GetSizeMax(ULARGE_INTEGER *pcbSize);
 124
 125     // *** IWinEventHandler methods ***
 126     virtual HRESULT STDMETHODCALLTYPE OnWinEvent(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *theResult);
 127     virtual HRESULT STDMETHODCALLTYPE IsWindowOwner(HWND hWnd);
 128
 129     // *** IBandNavigate methods ***
 130     virtual HRESULT STDMETHODCALLTYPE Select(long paramC);
 131
 132     // *** INamespaceProxy ***
 133     virtual HRESULT STDMETHODCALLTYPE GetNavigateTarget(long paramC, long param10, long param14);
 134     virtual HRESULT STDMETHODCALLTYPE Invoke(long paramC);
 135     virtual HRESULT STDMETHODCALLTYPE OnSelectionChanged(long paramC);
 136     virtual HRESULT STDMETHODCALLTYPE RefreshFlags(long paramC, long param10, long param14);
 137     virtual HRESULT STDMETHODCALLTYPE CacheItem(long paramC);
 138
 139     // *** IDispatch methods ***
 140     virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT *pctinfo);
 141     virtual HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo);
 142     virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId);
 143     virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr);
 144
 145     // *** IDropTarget methods ***
 146     virtual HRESULT STDMETHODCALLTYPE DragEnter(IDataObject *pObj, DWORD glfKeyState, POINTL pt, DWORD *pdwEffect);
 147     virtual HRESULT STDMETHODCALLTYPE DragOver(DWORD glfKeyState, POINTL pt, DWORD *pdwEffect);
 148     virtual HRESULT STDMETHODCALLTYPE DragLeave();
 149     virtual HRESULT STDMETHODCALLTYPE Drop(IDataObject *pObj, DWORD glfKeyState, POINTL pt, DWORD *pdwEffect);
 150
 151     // *** IDropSource methods ***
 152     virtual HRESULT STDMETHODCALLTYPE QueryContinueDrag(BOOL fEscapePressed, DWORD grfKeyState);
 153     virtual HRESULT STDMETHODCALLTYPE GiveFeedback(DWORD dwEffect);
 154
 155     DECLARE_REGISTRY_RESOURCEID(IDR_EXPLORERBAND)
 156     DECLARE_NOT_AGGREGATABLE(CExplorerBand)
 157
 158     DECLARE_PROTECT_FINAL_CONSTRUCT()
 159
 160     BEGIN_COM_MAP(CExplorerBand)
 161         COM_INTERFACE_ENTRY_IID(IID_IDispatch, IDispatch)
 162         COM_INTERFACE_ENTRY_IID(IID_IWinEventHandler, IWinEventHandler)
 163         COM_INTERFACE_ENTRY_IID(IID_IBandNavigate, IBandNavigate)
 164         COM_INTERFACE_ENTRY_IID(IID_INamespaceProxy, INamespaceProxy)
 165         COM_INTERFACE_ENTRY2_IID(IID_IOleWindow, IOleWindow, IDeskBand)
 166         COM_INTERFACE_ENTRY2_IID(IID_IDockingWindow, IDockingWindow, IDeskBand)
 167         COM_INTERFACE_ENTRY_IID(IID_IDeskBand, IDeskBand)
 168         COM_INTERFACE_ENTRY_IID(IID_IObjectWithSite, IObjectWithSite)
 169         COM_INTERFACE_ENTRY_IID(IID_IOleCommandTarget, IOleCommandTarget)
 170         COM_INTERFACE_ENTRY_IID(IID_IServiceProvider, IServiceProvider)
 171         COM_INTERFACE_ENTRY_IID(IID_IInputObject, IInputObject)
 172         COM_INTERFACE_ENTRY2_IID(IID_IPersist, IPersist, IPersistStream)
 173         COM_INTERFACE_ENTRY_IID(IID_IPersistStream, IPersistStream)
 174     END_COM_MAP()
 175
 176     BEGIN_MSG_MAP(CExplorerBand)
 177     END_MSG_MAP()
 178 };
 179
 180 extern "C"
 181 HRESULT WINAPI CExplorerBand_Constructor(REFIID riid, LPVOID *ppv);