void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsigned int recursion) {
const auto callback = [this, recursion](unsigned* num_entries_out, const std::string& directory,
const std::string& virtual_name) -> bool {
std::string physical_name = directory + DIR_SEP + virtual_name;
if (stop_processing)
return false; // Breaks the callback loop.
if (!FileUtil::IsDirectory(physical_name)) {
std::unique_ptr<Loader::AppLoader> loader = Loader::GetLoader(physical_name);
if (!loader)
return true;
std::vector<u8> smdh;
loader->ReadIcon(smdh);
u64 program_id = 0;
loader->ReadProgramId(program_id);
emit EntryReady({
new GameListItemPath(QString::fromStdString(physical_name), smdh, program_id),
new GameListItem(
QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType()))),
new GameListItemSize(FileUtil::GetSize(physical_name)),
});
} else if (recursion > 0) {
AddFstEntriesToGameList(physical_name, recursion - 1);
}
return true;
};
FileUtil::ForeachDirectoryEntry(nullptr, dir_path, callback);
}
void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, bool deep_scan)
{
const auto callback = [&](unsigned* num_entries_out,
const std::string& directory,
const std::string& virtual_name) -> bool {
std::string physical_name = directory + DIR_SEP + virtual_name;
if (stop_processing)
return false; // Breaks the callback loop.
if (deep_scan && FileUtil::IsDirectory(physical_name)) {
AddFstEntriesToGameList(physical_name, true);
} else {
std::string filename_filename, filename_extension;
Common::SplitPath(physical_name, nullptr, &filename_filename, &filename_extension);
Loader::FileType guessed_filetype = Loader::GuessFromExtension(filename_extension);
if (guessed_filetype == Loader::FileType::Unknown)
return true;
Loader::FileType filetype = Loader::IdentifyFile(physical_name);
if (filetype == Loader::FileType::Unknown) {
LOG_WARNING(Frontend, "File %s is of indeterminate type and is possibly corrupted.", physical_name.c_str());
return true;
}
if (guessed_filetype != filetype) {
LOG_WARNING(Frontend, "Filetype and extension of file %s do not match.", physical_name.c_str());
}
std::vector<u8> smdh;
std::unique_ptr<Loader::AppLoader> loader = Loader::GetLoader(FileUtil::IOFile(physical_name, "rb"), filetype, filename_filename, physical_name);
if (loader)
loader->ReadIcon(smdh);
emit EntryReady({
new GameListItemPath(QString::fromStdString(physical_name), smdh),
new GameListItem(QString::fromStdString(Loader::GetFileTypeString(filetype))),
new GameListItemSize(FileUtil::GetSize(physical_name)),
});
}
return true;
};
FileUtil::ForeachDirectoryEntry(nullptr, dir_path, callback);
}
void GameList::PopulateAsync(const QString& dir_path, bool deep_scan)
{
if (!FileUtil::Exists(dir_path.toStdString()) || !FileUtil::IsDirectory(dir_path.toStdString())) {
LOG_ERROR(Frontend, "Could not find game list folder at %s", dir_path.toLocal8Bit().data());
return;
}
tree_view->setEnabled(false);
// Delete any rows that might already exist if we're repopulating
item_model->removeRows(0, item_model->rowCount());
emit ShouldCancelWorker();
GameListWorker* worker = new GameListWorker(dir_path, deep_scan);
connect(worker, SIGNAL(EntryReady(QList<QStandardItem*>)), this, SLOT(AddEntry(QList<QStandardItem*>)), Qt::QueuedConnection);
connect(worker, SIGNAL(Finished()), this, SLOT(DonePopulating()), Qt::QueuedConnection);
// Use DirectConnection here because worker->Cancel() is thread-safe and we want it to cancel without delay.
connect(this, SIGNAL(ShouldCancelWorker()), worker, SLOT(Cancel()), Qt::DirectConnection);
QThreadPool::globalInstance()->start(worker);
current_worker = std::move(worker);
}