/*
* Class: sun_awt_shell_Win32ShellFolder2
* Method: getIconIndex
* Signature: (JJ)I
*/
JNIEXPORT jint JNICALL Java_sun_awt_shell_Win32ShellFolder2_getIconIndex
(JNIEnv* env, jclass cls, jlong pIShellIconL, jlong relativePIDL)
{
IShellIcon* pIShellIcon = (IShellIcon*)pIShellIconL;
LPITEMIDLIST pidl = (LPITEMIDLIST)relativePIDL;
if (pIShellIcon == NULL && pidl == NULL) {
return 0;
}
INT index = -1;
HRESULT hres;
// http://msdn.microsoft.com/library/en-us/shellcc/platform/Shell/programmersguide/shell_int/shell_int_programming/std_ifaces.asp
if (pIShellIcon != NULL) {
hres = pIShellIcon->GetIconOf(pidl, GIL_FORSHELL, &index);
}
return (jint)index;
}
// Thread to extract file icons in the background
DWORD WINAPI DirList_IconThread(LPVOID lpParam) {
HWND hwnd;
LV_ITEM lvi;
LPLV_ITEMDATA lplvid;
IShellIcon* lpshi;
int iItem = 0;
int iMaxItem;
DLDATA* lpdl = (DLDATA*)lpParam;
ResetEvent(lpdl->hTerminatedThread);
// Exit immediately if DirList_Fill() hasn't been called
if (!lpdl->lpsf) {
SetEvent(lpdl->hTerminatedThread);
ExitThread(0);
return 0;
}
hwnd = lpdl->hwnd;
iMaxItem = ListView_GetItemCount(hwnd);
(void)CoInitialize(NULL);
// Get IShellIcon
lpdl->lpsf->QueryInterface(IID_IShellIcon, (void**)&lpshi);
while (iItem < iMaxItem && WaitForSingleObject(lpdl->hExitThread, 0) != WAIT_OBJECT_0) {
lvi.iItem = iItem;
lvi.mask = LVIF_PARAM;
if (ListView_GetItem(hwnd, &lvi)) {
SHFILEINFO shfi = { 0 };
LPITEMIDLIST pidl;
DWORD dwAttributes = SFGAO_LINK | SFGAO_SHARE;
lplvid = (LPLV_ITEMDATA)lvi.lParam;
lvi.mask = LVIF_IMAGE;
if (!lpshi || NOERROR != lpshi->GetIconOf(lplvid->pidl, GIL_FORSHELL, &lvi.iImage)) {
pidl = IL_Create(lpdl->pidl, lpdl->cbidl, lplvid->pidl, 0);
SHGetFileInfo((const WCHAR*)pidl, 0, &shfi, sizeof(SHFILEINFO),
SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON);
CoTaskMemFree(pidl);
lvi.iImage = shfi.iIcon;
}
// It proved necessary to reset the state bits...
lvi.stateMask = 0;
lvi.state = 0;
// Link and Share Overlay
lplvid->lpsf->GetAttributesOf(1, (LPCITEMIDLIST*)&lplvid->pidl, &dwAttributes);
if (dwAttributes & SFGAO_LINK) {
lvi.mask |= LVIF_STATE;
lvi.stateMask |= LVIS_OVERLAYMASK;
lvi.state |= INDEXTOOVERLAYMASK(2);
}
if (dwAttributes & SFGAO_SHARE) {
lvi.mask |= LVIF_STATE;
lvi.stateMask |= LVIS_OVERLAYMASK;
lvi.state |= INDEXTOOVERLAYMASK(1);
}
// Fade hidden/system files
if (!lpdl->bNoFadeHidden) {
WIN32_FIND_DATA fd;
if (NOERROR == SHGetDataFromIDList(lplvid->lpsf, lplvid->pidl, SHGDFIL_FINDDATA,
&fd, sizeof(WIN32_FIND_DATA))) {
if ((fd.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) ||
(fd.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM)) {
lvi.mask |= LVIF_STATE;
lvi.stateMask |= LVIS_CUT;
lvi.state |= LVIS_CUT;
}
}
}
lvi.iSubItem = 0;
ListView_SetItem(hwnd, &lvi);
}
iItem++;
}
if (lpshi)
lpshi->Release();
CoUninitialize();
SetEvent(lpdl->hTerminatedThread);
ExitThread(0);
return 0;
}