dll/win32/shell32/CFolderItems.cpp

   1 /*
   2  * PROJECT:     shell32
   3  * LICENSE:     LGPL-2.1+ (https://spdx.org/licenses/LGPL-2.1+)
   4  * PURPOSE:     FolderItem(s) implementation
   5  * COPYRIGHT:   Copyright 2015-2018 Mark Jansen (mark.jansen@reactos.org)
   6  */
   7
   8 #include "precomp.h"
   9
  10 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  11
  12
  13 CFolderItem::CFolderItem()
  14 {
  15 }
  16
  17 CFolderItem::~CFolderItem()
  18 {
  19 }
  20
  21 HRESULT CFolderItem::Initialize(Folder* folder, LPITEMIDLIST idlist)
  22 {
  23     m_idlist.Attach(ILClone(idlist));
  24     m_Folder = folder;
  25     return S_OK;
  26 }
  27
  28 // *** FolderItem methods ***
  29 HRESULT STDMETHODCALLTYPE CFolderItem::get_Application(IDispatch **ppid)
  30 {
  31     TRACE("(%p, %p)\n", this, ppid);
  32     return m_Folder->get_Application(ppid);
  33 }
  34
  35 HRESULT STDMETHODCALLTYPE CFolderItem::get_Parent(IDispatch **ppid)
  36 {
  37     TRACE("(%p, %p)\n", this, ppid);
  38     if (ppid)
  39     {
  40         *ppid = m_Folder;
  41         m_Folder->AddRef();
  42     }
  43     return E_NOTIMPL;
  44 }
  45
  46 HRESULT STDMETHODCALLTYPE CFolderItem::get_Name(BSTR *pbs)
  47 {
  48     TRACE("(%p, %p)\n", this, pbs);
  49
  50     *pbs = NULL;
  51
  52     CComPtr<IShellFolder2> Parent;
  53     LPCITEMIDLIST last_part;
  54     HRESULT hr = SHBindToParent(m_idlist, IID_PPV_ARG(IShellFolder2, &Parent), &last_part);
  55     if (FAILED_UNEXPECTEDLY(hr))
  56         return hr;
  57
  58     STRRET strret;
  59     hr = Parent->GetDisplayNameOf(last_part, SHGDN_INFOLDER, &strret);
  60     if (!FAILED_UNEXPECTEDLY(hr))
  61         hr = StrRetToBSTR(&strret, last_part, pbs);
  62
  63     return hr;
  64 }
  65
  66 HRESULT STDMETHODCALLTYPE CFolderItem::put_Name(BSTR bs)
  67 {
  68     TRACE("(%p, %s)\n", this, wine_dbgstr_w(bs));
  69     return E_NOTIMPL;
  70 }
  71
  72 HRESULT STDMETHODCALLTYPE CFolderItem::get_Path(BSTR *pbs)
  73 {
  74     CComPtr<IShellFolder> psfDesktop;
  75
  76     HRESULT hr = SHGetDesktopFolder(&psfDesktop);
  77     if (!SUCCEEDED(hr))
  78         return hr;
  79
  80     STRRET strret;
  81     hr = psfDesktop->GetDisplayNameOf(m_idlist, SHGDN_FORPARSING, &strret);
  82     if (FAILED_UNEXPECTEDLY(hr))
  83         return hr;
  84
  85     return StrRetToBSTR(&strret, NULL, pbs);
  86 }
  87
  88 HRESULT STDMETHODCALLTYPE CFolderItem::get_GetLink(IDispatch **ppid)
  89 {
  90     TRACE("(%p, %p)\n", this, ppid);
  91     return E_NOTIMPL;
  92 }
  93
  94 HRESULT STDMETHODCALLTYPE CFolderItem::get_GetFolder(IDispatch **ppid)
  95 {
  96     TRACE("(%p, %p)\n", this, ppid);
  97     return E_NOTIMPL;
  98 }
  99
 100 HRESULT STDMETHODCALLTYPE CFolderItem::get_IsLink(VARIANT_BOOL *pb)
 101 {
 102     TRACE("(%p, %p)\n", this, pb);
 103     return E_NOTIMPL;
 104 }
 105
 106 HRESULT STDMETHODCALLTYPE CFolderItem::get_IsFolder(VARIANT_BOOL *pb)
 107 {
 108     TRACE("(%p, %p)\n", this, pb);
 109     return E_NOTIMPL;
 110 }
 111
 112 HRESULT STDMETHODCALLTYPE CFolderItem::get_IsFileSystem(VARIANT_BOOL *pb)
 113 {
 114     TRACE("(%p, %p)\n", this, pb);
 115     return E_NOTIMPL;
 116 }
 117
 118 HRESULT STDMETHODCALLTYPE CFolderItem::get_IsBrowsable(VARIANT_BOOL *pb)
 119 {
 120     TRACE("(%p, %p)\n", this, pb);
 121     return E_NOTIMPL;
 122 }
 123
 124 HRESULT STDMETHODCALLTYPE CFolderItem::get_ModifyDate(DATE *pdt)
 125 {
 126     TRACE("(%p, %p)\n", this, pdt);
 127     return E_NOTIMPL;
 128 }
 129
 130 HRESULT STDMETHODCALLTYPE CFolderItem::put_ModifyDate(DATE dt)
 131 {
 132     TRACE("(%p, %f)\n", this, dt);
 133     return E_NOTIMPL;
 134 }
 135
 136 HRESULT STDMETHODCALLTYPE CFolderItem::get_Size(LONG *pul)
 137 {
 138     TRACE("(%p, %p)\n", this, pul);
 139     return E_NOTIMPL;
 140 }
 141
 142 HRESULT STDMETHODCALLTYPE CFolderItem::get_Type(BSTR *pbs)
 143 {
 144     TRACE("(%p, %p)\n", this, pbs);
 145     return E_NOTIMPL;
 146 }
 147
 148 HRESULT STDMETHODCALLTYPE CFolderItem::Verbs(FolderItemVerbs **ppfic)
 149 {
 150     if (!ppfic)
 151         return E_POINTER;
 152     CFolderItemVerbs* verbs = new CComObject<CFolderItemVerbs>();
 153     HRESULT hr = verbs->Init(m_idlist);
 154     if (FAILED_UNEXPECTEDLY(hr))
 155     {
 156         delete verbs;
 157         return hr;
 158     }
 159     verbs->AddRef();
 160     *ppfic = verbs;
 161     return S_OK;
 162 }
 163
 164 HRESULT STDMETHODCALLTYPE CFolderItem::InvokeVerb(VARIANT vVerb)
 165 {
 166     TRACE("(%p, %s)\n", this, wine_dbgstr_variant(&vVerb));
 167     return E_NOTIMPL;
 168 }
 169
 170
 171
 172 CFolderItems::CFolderItems()
 173     :m_Count(-1)
 174 {
 175 }
 176
 177 CFolderItems::~CFolderItems()
 178 {
 179 }
 180
 181 HRESULT CFolderItems::Initialize(LPITEMIDLIST idlist, Folder* parent)
 182 {
 183     CComPtr<IShellFolder> psfDesktop, psfTarget;
 184
 185     m_idlist.Attach(ILClone(idlist));
 186
 187     HRESULT hr = SHGetDesktopFolder(&psfDesktop);
 188     if (FAILED_UNEXPECTEDLY(hr))
 189         return hr;
 190
 191     hr = psfDesktop->BindToObject(m_idlist, NULL, IID_PPV_ARG(IShellFolder, &psfTarget));
 192     if (FAILED_UNEXPECTEDLY(hr))
 193         return hr;
 194
 195     hr = psfTarget->EnumObjects(NULL, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, &m_EnumIDList);
 196
 197     if (FAILED_UNEXPECTEDLY(hr))
 198         return hr;
 199
 200     m_Folder = parent;
 201     return S_OK;
 202 }
 203
 204 // *** FolderItems methods ***
 205 HRESULT STDMETHODCALLTYPE CFolderItems::get_Count(long *plCount)
 206 {
 207     if (!m_EnumIDList)
 208         return E_FAIL;
 209
 210     if (!plCount)
 211         return E_POINTER;
 212
 213     if (m_Count == -1)
 214     {
 215         long count = 0;
 216
 217         HRESULT hr = m_EnumIDList->Reset();
 218         if (FAILED_UNEXPECTEDLY(hr))
 219             return hr;
 220
 221         CComHeapPtr<ITEMIDLIST> Pidl;
 222         while ((hr = m_EnumIDList->Next(1, &Pidl, 0)) != S_FALSE)
 223         {
 224             count++;
 225             Pidl.Free();
 226         }
 227         m_Count = count;
 228     }
 229     *plCount = m_Count;
 230
 231     return S_OK;
 232 }
 233
 234 HRESULT STDMETHODCALLTYPE CFolderItems::get_Application(IDispatch **ppid)
 235 {
 236     TRACE("(%p, %p)\n", this, ppid);
 237     return m_Folder->get_Application(ppid);
 238 }
 239
 240 HRESULT STDMETHODCALLTYPE CFolderItems::get_Parent(IDispatch **ppid)
 241 {
 242     TRACE("(%p, %p)\n", this, ppid);
 243
 244     if (ppid)
 245         *ppid = NULL;
 246
 247     return E_NOTIMPL;
 248 }
 249
 250 HRESULT STDMETHODCALLTYPE CFolderItems::Item(VARIANT index, FolderItem **ppid)
 251 {
 252     if (!m_EnumIDList)
 253         return E_FAIL;
 254
 255     if (V_VT(&index) == VT_I2)
 256         VariantChangeType(&index, &index, 0, VT_I4);
 257
 258     if (V_VT(&index) == VT_I4)
 259     {
 260         ULONG count = V_UI4(&index);
 261
 262         HRESULT hr = m_EnumIDList->Reset();
 263         if (FAILED_UNEXPECTEDLY(hr))
 264             return hr;
 265
 266         hr = m_EnumIDList->Skip(count);
 267
 268         if (FAILED_UNEXPECTEDLY(hr))
 269             return hr;
 270
 271         CComHeapPtr<ITEMIDLIST> spPidl;
 272         hr = m_EnumIDList->Next(1, &spPidl, 0);
 273         if (FAILED_UNEXPECTEDLY(hr))
 274             return hr;
 275         hr = ShellObjectCreatorInit<CFolderItem>(m_Folder, static_cast<LPITEMIDLIST>(spPidl), IID_PPV_ARG(FolderItem, ppid));
 276         if (FAILED_UNEXPECTEDLY(hr))
 277             return hr;
 278         return hr;
 279     }
 280     else if (V_VT(&index) == VT_BSTR)
 281     {
 282         if (!V_BSTR(&index))
 283             return S_FALSE;
 284
 285         HRESULT hr = m_Folder->ParseName(V_BSTR(&index), ppid);
 286         if (FAILED_UNEXPECTEDLY(hr))
 287             return hr;
 288         return hr;
 289     }
 290
 291     FIXME("Index type %d not handled.\n", V_VT(&index));
 292     return E_NOTIMPL;
 293 }
 294
 295 HRESULT STDMETHODCALLTYPE CFolderItems::_NewEnum(IUnknown **ppunk)
 296 {
 297     return ShellObjectCreatorInit<CFolderItems>(static_cast<LPITEMIDLIST>(m_idlist), m_Folder, IID_FolderItems, reinterpret_cast<void**>(ppunk));
 298 }
 299