dlls/shell32/folders.c

   1 /*
   2  *      Copyright 1997  Marcus Meissner
   3  *      Copyright 1998  Juergen Schmied
   4  *
   5  */
   6
   7 #include <stdlib.h>
   8 #include <string.h>
   9 #include "debug.h"
  10 #include "objbase.h"
  11 #include "winerror.h"
  12
  13 #include "pidl.h"
  14 #include "shell32_main.h"
  15 #include "shlguid.h"
  16 #include "shlobj.h"
  17
  18
  19 /******************************************************************************
  20 * foreward declaration
  21 */
  22
  23 /* IExtractIcon implementation*/
  24 static HRESULT WINAPI IExtractIcon_QueryInterface(LPEXTRACTICON, REFIID, LPVOID *);
  25 static ULONG WINAPI IExtractIcon_AddRef(LPEXTRACTICON);
  26 static ULONG WINAPI IExtractIcon_AddRef(LPEXTRACTICON);
  27 static ULONG WINAPI IExtractIcon_Release(LPEXTRACTICON);
  28 static HRESULT WINAPI IExtractIcon_GetIconLocation(LPEXTRACTICON, UINT32, LPSTR, UINT32, int *, UINT32 *);
  29 static HRESULT WINAPI IExtractIcon_Extract(LPEXTRACTICON, LPCSTR, UINT32, HICON32 *, HICON32 *, UINT32);
  30
  31
  32 /***********************************************************************
  33 *   IExtractIcon implementation
  34 */
  35 static struct IExtractIcon_VTable eivt =
  36 { IExtractIcon_QueryInterface,
  37   IExtractIcon_AddRef,
  38   IExtractIcon_Release,
  39   IExtractIcon_GetIconLocation,
  40   IExtractIcon_Extract
  41 };
  42 /**************************************************************************
  43 *  IExtractIcon_Constructor
  44 */
  45 LPEXTRACTICON IExtractIcon_Constructor(LPCITEMIDLIST pidl)
  46 { LPEXTRACTICON ei;
  47
  48   ei=(LPEXTRACTICON)HeapAlloc(GetProcessHeap(),0,sizeof(IExtractIcon));
  49   ei->ref=1;
  50   ei->lpvtbl=&eivt;
  51   ei->pidl=ILClone(pidl);
  52
  53   pdump(pidl);
  54
  55         TRACE(shell,"(%p)\n",ei);
  56         shell32_ObjCount++;
  57         return ei;
  58 }
  59 /**************************************************************************
  60  *  IExtractIcon_QueryInterface
  61  */
  62 static HRESULT WINAPI IExtractIcon_QueryInterface( LPEXTRACTICON this, REFIID riid, LPVOID *ppvObj)
  63 {  char xriid[50];
  64    WINE_StringFromCLSID((LPCLSID)riid,xriid);
  65    TRACE(shell,"(%p)->(\n\tIID:\t%s,%p)\n",this,xriid,ppvObj);
  66
  67   *ppvObj = NULL;
  68
  69   if(IsEqualIID(riid, &IID_IUnknown))          /*IUnknown*/
  70   { *ppvObj = this;
  71   }
  72   else if(IsEqualIID(riid, &IID_IExtractIcon))  /*IExtractIcon*/
  73   {    *ppvObj = (IExtractIcon*)this;
  74   }
  75
  76   if(*ppvObj)
  77   { (*(LPEXTRACTICON*)ppvObj)->lpvtbl->fnAddRef(this);
  78     TRACE(shell,"-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
  79     return S_OK;
  80   }
  81         TRACE(shell,"-- Interface: E_NOINTERFACE\n");
  82         return E_NOINTERFACE;
  83 }
  84
  85 /**************************************************************************
  86 *  IExtractIcon_AddRef
  87 */
  88 static ULONG WINAPI IExtractIcon_AddRef(LPEXTRACTICON this)
  89 {       TRACE(shell,"(%p)->(count=%lu)\n",this,(this->ref)+1);
  90
  91         shell32_ObjCount++;
  92
  93         return ++(this->ref);
  94 }
  95 /**************************************************************************
  96 *  IExtractIcon_Release
  97 */
  98 static ULONG WINAPI IExtractIcon_Release(LPEXTRACTICON this)
  99 {       TRACE(shell,"(%p)->()\n",this);
 100
 101         shell32_ObjCount--;
 102
 103   if (!--(this->ref))
 104   { TRACE(shell," destroying IExtractIcon(%p)\n",this);
 105     SHFree(this->pidl);
 106     HeapFree(GetProcessHeap(),0,this);
 107     return 0;
 108   }
 109   return this->ref;
 110 }
 111 /**************************************************************************
 112 *  IExtractIcon_GetIconLocation
 113 */
 114 static HRESULT WINAPI IExtractIcon_GetIconLocation(LPEXTRACTICON this, UINT32 uFlags, LPSTR szIconFile, UINT32 cchMax, int * piIndex, UINT32 * pwFlags)
 115 {       WARN (shell,"(%p) (flags=%u file=%s max=%u %p %p) semi-stub\n", this, uFlags, szIconFile, cchMax, piIndex, pwFlags);
 116
 117         *piIndex = (int) SHMapPIDLToSystemImageListIndex(0, this->pidl,0);
 118         *pwFlags = GIL_NOTFILENAME;
 119
 120         WARN (shell,"-- %x\n",*piIndex);
 121
 122         return NOERROR;
 123 }
 124 /**************************************************************************
 125 *  IExtractIcon_Extract
 126 */
 127 static HRESULT WINAPI IExtractIcon_Extract(LPEXTRACTICON this, LPCSTR pszFile, UINT32 nIconIndex, HICON32 *phiconLarge, HICON32 *phiconSmall, UINT32 nIconSize)
 128 { FIXME (shell,"(%p) (file=%s index=%u %p %p size=%u) semi-stub\n", this, pszFile, nIconIndex, phiconLarge, phiconSmall, nIconSize);
 129   *phiconLarge = pImageList_GetIcon(ShellBigIconList, nIconIndex, ILD_TRANSPARENT);
 130   *phiconSmall = pImageList_GetIcon(ShellSmallIconList, nIconIndex, ILD_TRANSPARENT);
 131   return S_OK;
 132 }
 133