status_t
DecorInfoUtility::_ScanDecorators(BDirectory decoratorDirectory)
{
BAutolock _(fLock);
// First, run through our list and DecorInfos CheckForChanges()
if (fHasScanned) {
for (int i = fList.CountItems() - 1; i > 0; --i) {
DecorInfo* decorInfo = fList.ItemAt(i);
bool deleted = false;
decorInfo->CheckForChanges(deleted);
if (deleted) {
fList.RemoveItem(decorInfo);
delete decorInfo;
}
}
}
entry_ref ref;
// Now, look at file system, skip the entries for which we already have
// a DecorInfo in the list.
while (decoratorDirectory.GetNextRef(&ref) == B_OK) {
BPath path(&decoratorDirectory);
status_t result = path.Append(ref.name);
if (result != B_OK) {
fprintf(stderr, "DecorInfoUtility::_ScanDecorators()\tFailed to"
"append decorator file to path, skipping: %s.\n", strerror(result));
continue;
}
if (_FindDecor(path.Path()) != NULL)
continue;
DecorInfo* decorInfo = new(std::nothrow) DecorInfo(ref);
if (decorInfo == NULL || decorInfo->InitCheck() != B_OK) {
fprintf(stderr, "DecorInfoUtility::_ScanDecorators()\tInitCheck() "
"failure on decorator, skipping.\n");
delete decorInfo;
continue;
}
fList.AddItem(decorInfo);
}
return B_OK;
}
DecorInfoUtility::DecorInfoUtility(bool scanNow)
:
fHasScanned(false)
{
// get default decorator from app_server
DecorInfo* info = new(std::nothrow) DecorInfo("Default");
if (info == NULL || info->InitCheck() != B_OK) {
delete info;
fprintf(stderr, "DecorInfoUtility::constructor\tdefault decorator's "
"DecorInfo failed InitCheck()\n");
return;
}
fList.AddItem(info);
if (scanNow)
ScanDecorators();
}
status_t
DecorInfoUtility::ScanDecorators()
{
BPath decorPath;
status_t ret = find_directory(B_USER_ADDONS_DIRECTORY, &decorPath);
if (ret != B_OK)
return ret;
ret = decorPath.Append("decorators");
if (ret != B_OK)
return ret;
BDirectory dir(decorPath.Path());
ret = dir.InitCheck();
if (ret != B_OK) {
fprintf(stderr, "DecorInfoUtility::ScanDecorators:\tERROR: "
"DECORATORS_DIR not found!\n");
return ret;
}
BAutolock _(fLock);
// First, run through our list and DecorInfos CheckForChanges()
if (fHasScanned) {
for (int i = fList.CountItems() - 1; i > 0; --i) {
DecorInfo* decorInfo = fList.ItemAt(i);
bool deleted = false;
decorInfo->CheckForChanges(deleted);
if (deleted) {
fList.RemoveItem(decorInfo);
delete decorInfo;
}
}
}
BPath path;
entry_ref ref;
// Now, look at file system, skip the entries for which we already have
// a DecorInfo in the list.
while (dir.GetNextRef(&ref) == B_OK) {
path.SetTo(decorPath.Path());
path.Append(ref.name);
if (_FindDecor(path.Path()) != NULL)
continue;
DecorInfo* decorInfo = new(std::nothrow) DecorInfo(ref);
if (decorInfo == NULL || decorInfo->InitCheck() != B_OK) {
fprintf(stderr, "DecorInfoUtility::ScanDecorators()\tInitCheck() "
"failure on decorator, skipping\n");
delete decorInfo;
continue;
}
fList.AddItem(decorInfo);
}
fHasScanned = true;
return B_OK;
}