/*
* Class: sun_awt_shell_Win32ShellFolder2
* Method: getLinkLocation
* Signature: (JJZ)J;
*/
JNIEXPORT jlong JNICALL Java_sun_awt_shell_Win32ShellFolder2_getLinkLocation
(JNIEnv* env, jclass cls, jlong parentIShellFolder, jlong relativePIDL, jboolean resolve)
{
HRESULT hres;
STRRET strret;
OLECHAR olePath[MAX_PATH]; // wide-char version of path name
LPWSTR wstr;
IShellFolder* pParent = (IShellFolder*)parentIShellFolder;
if (pParent == NULL) {
return NULL;
}
LPITEMIDLIST pidl = (LPITEMIDLIST)relativePIDL;
if (pidl == NULL) {
return NULL;
}
hres = pParent->GetDisplayNameOf(pidl, SHGDN_NORMAL | SHGDN_FORPARSING, &strret);
if (FAILED(hres)) {
return NULL;
}
switch (strret.uType) {
case STRRET_CSTR :
// IShellFolder::ParseDisplayName requires the path name in Unicode.
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, strret.cStr, -1, olePath, MAX_PATH);
wstr = olePath;
break;
case STRRET_OFFSET :
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, (CHAR *)pidl + strret.uOffset, -1, olePath, MAX_PATH);
wstr = olePath;
break;
case STRRET_WSTR :
wstr = strret.pOleStr;
break;
default:
return NULL;
}
IShellLinkW* psl;
hres = ::CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLinkW, (LPVOID *)&psl);
if (SUCCEEDED(hres)) {
IPersistFile* ppf;
hres = psl->QueryInterface(IID_IPersistFile, (void**)&ppf);
if (SUCCEEDED(hres)) {
hres = ppf->Load(wstr, STGM_READ);
if (SUCCEEDED(hres)) {
if (resolve) {
hres = psl->Resolve(NULL, 0);
// Ignore failure
}
pidl = (LPITEMIDLIST)NULL;
hres = psl->GetIDList(&pidl);
}
ppf->Release();
}
psl->Release();
}
if (strret.uType == STRRET_WSTR) {
CoTaskMemFree(strret.pOleStr);
}
if (SUCCEEDED(hres)) {
return (jlong)pidl;
} else {
return 0;
}
}
