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     HTREEITEM  oldSelected;
  65
  66     // *** notification cookies ***
  67     DWORD adviseCookie;
  68     ULONG shellRegID;
  69
  70     void InitializeExplorerBand();
  71     void DestroyExplorerBand();
  72     HRESULT ExecuteCommand(CComPtr<IContextMenu>& menu, UINT nCmd);
  73
  74     BOOL OnTreeItemExpanding(LPNMTREEVIEW pnmtv);
  75     void OnSelectionChanged(LPNMTREEVIEW pnmtv);
  76
  77     // *** ATL event handlers ***
  78     LRESULT OnContextMenu(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
  79     LRESULT ContextMenuHack(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
  80
  81     // *** Helper functions ***
  82     NodeInfo* GetNodeInfo(HTREEITEM hItem);
  83     HRESULT UpdateBrowser(LPITEMIDLIST pidlGoto);
  84     HTREEITEM InsertItem(HTREEITEM hParent, IShellFolder *psfParent, LPITEMIDLIST pElt, LPITEMIDLIST pEltRelative, BOOL bSort);
  85     HTREEITEM InsertItem(HTREEITEM hParent, LPITEMIDLIST pElt, LPITEMIDLIST pEltRelative, BOOL bSort);
  86     BOOL InsertSubitems(HTREEITEM hItem, NodeInfo *pNodeInfo);
  87     BOOL NavigateToPIDL(LPITEMIDLIST dest, HTREEITEM *item, BOOL bExpand, BOOL bInsert, BOOL bSelect);
  88     BOOL NavigateToCurrentFolder();
  89
  90 public:
  91     CExplorerBand();
  92     virtual ~CExplorerBand();
  93
  94     // *** IOleWindow methods ***
  95     virtual HRESULT STDMETHODCALLTYPE GetWindow(HWND *lphwnd);
  96     virtual HRESULT STDMETHODCALLTYPE ContextSensitiveHelp(BOOL fEnterMode);
  97
  98     // *** IDockingWindow methods ***
  99     virtual HRESULT STDMETHODCALLTYPE CloseDW(DWORD dwReserved);
 100     virtual HRESULT STDMETHODCALLTYPE ResizeBorderDW(const RECT *prcBorder, IUnknown *punkToolbarSite, BOOL fReserved);
 101     virtual HRESULT STDMETHODCALLTYPE ShowDW(BOOL fShow);
 102
 103     // *** IDeskBand methods ***
 104     virtual HRESULT STDMETHODCALLTYPE GetBandInfo(DWORD dwBandID, DWORD dwViewMode, DESKBANDINFO *pdbi);
 105
 106     // *** IObjectWithSite methods ***
 107     virtual HRESULT STDMETHODCALLTYPE SetSite(IUnknown *pUnkSite);
 108     virtual HRESULT STDMETHODCALLTYPE GetSite(REFIID riid, void **ppvSite);
 109
 110     // *** IOleCommandTarget methods ***
 111     virtual HRESULT STDMETHODCALLTYPE QueryStatus(const GUID *pguidCmdGroup, ULONG cCmds, OLECMD prgCmds [], OLECMDTEXT *pCmdText);
 112     virtual HRESULT STDMETHODCALLTYPE Exec(const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT *pvaIn, VARIANT *pvaOut);
 113
 114     // *** IServiceProvider methods ***
 115     virtual HRESULT STDMETHODCALLTYPE QueryService(REFGUID guidService, REFIID riid, void **ppvObject);
 116
 117     // *** IInputObject methods ***
 118     virtual HRESULT STDMETHODCALLTYPE UIActivateIO(BOOL fActivate, LPMSG lpMsg);
 119     virtual HRESULT STDMETHODCALLTYPE HasFocusIO();
 120     virtual HRESULT STDMETHODCALLTYPE TranslateAcceleratorIO(LPMSG lpMsg);
 121
 122     // *** IPersist methods ***
 123     virtual HRESULT STDMETHODCALLTYPE GetClassID(CLSID *pClassID);
 124
 125     // *** IPersistStream methods ***
 126     virtual HRESULT STDMETHODCALLTYPE IsDirty();
 127     virtual HRESULT STDMETHODCALLTYPE Load(IStream *pStm);
 128     virtual HRESULT STDMETHODCALLTYPE Save(IStream *pStm, BOOL fClearDirty);
 129     virtual HRESULT STDMETHODCALLTYPE GetSizeMax(ULARGE_INTEGER *pcbSize);
 130
 131     // *** IWinEventHandler methods ***
 132     virtual HRESULT STDMETHODCALLTYPE OnWinEvent(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *theResult);
 133     virtual HRESULT STDMETHODCALLTYPE IsWindowOwner(HWND hWnd);
 134
 135     // *** IBandNavigate methods ***
 136     virtual HRESULT STDMETHODCALLTYPE Select(long paramC);
 137
 138     // *** INamespaceProxy ***
 139     virtual HRESULT STDMETHODCALLTYPE GetNavigateTarget(long paramC, long param10, long param14);
 140     virtual HRESULT STDMETHODCALLTYPE Invoke(long paramC);
 141     virtual HRESULT STDMETHODCALLTYPE OnSelectionChanged(long paramC);
 142     virtual HRESULT STDMETHODCALLTYPE RefreshFlags(long paramC, long param10, long param14);
 143     virtual HRESULT STDMETHODCALLTYPE CacheItem(long paramC);
 144
 145     // *** IDispatch methods ***
 146     virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT *pctinfo);
 147     virtual HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo);
 148     virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId);
 149     virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr);
 150
 151     // *** IDropTarget methods ***
 152     virtual HRESULT STDMETHODCALLTYPE DragEnter(IDataObject *pObj, DWORD glfKeyState, POINTL pt, DWORD *pdwEffect);
 153     virtual HRESULT STDMETHODCALLTYPE DragOver(DWORD glfKeyState, POINTL pt, DWORD *pdwEffect);
 154     virtual HRESULT STDMETHODCALLTYPE DragLeave();
 155     virtual HRESULT STDMETHODCALLTYPE Drop(IDataObject *pObj, DWORD glfKeyState, POINTL pt, DWORD *pdwEffect);
 156
 157     // *** IDropSource methods ***
 158     virtual HRESULT STDMETHODCALLTYPE QueryContinueDrag(BOOL fEscapePressed, DWORD grfKeyState);
 159     virtual HRESULT STDMETHODCALLTYPE GiveFeedback(DWORD dwEffect);
 160
 161     DECLARE_REGISTRY_RESOURCEID(IDR_EXPLORERBAND)
 162     DECLARE_NOT_AGGREGATABLE(CExplorerBand)
 163
 164     DECLARE_PROTECT_FINAL_CONSTRUCT()
 165
 166     BEGIN_COM_MAP(CExplorerBand)
 167         COM_INTERFACE_ENTRY_IID(IID_IDispatch, IDispatch)
 168         COM_INTERFACE_ENTRY_IID(IID_IWinEventHandler, IWinEventHandler)
 169         COM_INTERFACE_ENTRY_IID(IID_IBandNavigate, IBandNavigate)
 170         COM_INTERFACE_ENTRY_IID(IID_INamespaceProxy, INamespaceProxy)
 171         COM_INTERFACE_ENTRY2_IID(IID_IOleWindow, IOleWindow, IDeskBand)
 172         COM_INTERFACE_ENTRY2_IID(IID_IDockingWindow, IDockingWindow, IDeskBand)
 173         COM_INTERFACE_ENTRY_IID(IID_IDeskBand, IDeskBand)
 174         COM_INTERFACE_ENTRY_IID(IID_IObjectWithSite, IObjectWithSite)
 175         COM_INTERFACE_ENTRY_IID(IID_IOleCommandTarget, IOleCommandTarget)
 176         COM_INTERFACE_ENTRY_IID(IID_IServiceProvider, IServiceProvider)
 177         COM_INTERFACE_ENTRY_IID(IID_IInputObject, IInputObject)
 178         COM_INTERFACE_ENTRY2_IID(IID_IPersist, IPersist, IPersistStream)
 179         COM_INTERFACE_ENTRY_IID(IID_IPersistStream, IPersistStream)
 180     END_COM_MAP()
 181
 182     BEGIN_MSG_MAP(CExplorerBand)
 183         MESSAGE_HANDLER(WM_CONTEXTMENU, OnContextMenu)
 184         MESSAGE_HANDLER(WM_RBUTTONDOWN, ContextMenuHack)
 185     END_MSG_MAP()
 186 };