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DolphinQt2: Perform more of GameTracker's work on a separate thread 

This reduces the time from startup to the game list window showing up.
This commit is contained in:
JosJuice 2018-01-04 15:03:14 +01:00
parent cebdf7e775
commit 0a69b42d07
2 changed files with 83 additions and 26 deletions
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86
Source/Core/DolphinQt2/GameList/GameTracker.cpp
View File

@ -22,22 +22,61 @@ GameTracker::GameTracker(QObject* parent) : QFileSystemWatcher(parent)
connect(this, &QFileSystemWatcher::directoryChanged, this, &GameTracker::UpdateDirectory);
connect(this, &QFileSystemWatcher::fileChanged, this, &GameTracker::UpdateFile);
m_cache.Load();
m_load_thread.Reset([this](Command command) {
switch (command.type)
{
case CommandType::LoadCache:
m_cache.Load();
break;
case CommandType::AddDirectory:
AddDirectoryInternal(command.path);
break;
case CommandType::RemoveDirectory:
RemoveDirectoryInternal(command.path);
break;
case CommandType::UpdateDirectory:
UpdateDirectoryInternal(command.path);
break;
case CommandType::UpdateFile:
UpdateFileInternal(command.path);
break;
}
});
m_load_thread.Reset([this](const QString& path) { LoadGame(path); });
m_load_thread.EmplaceItem(Command{CommandType::LoadCache, {}});
// TODO: When language changes, reload m_title_database and call m_cache.UpdateAdditionalMetadata
}
void GameTracker::AddDirectory(const QString& dir)
{
if (!QFileInfo(dir).exists())
return;
addPath(dir);
UpdateDirectory(dir);
m_load_thread.EmplaceItem(Command{CommandType::AddDirectory, dir});
}
void GameTracker::RemoveDirectory(const QString& dir)
{
m_load_thread.EmplaceItem(Command{CommandType::RemoveDirectory, dir});
}
void GameTracker::UpdateDirectory(const QString& dir)
{
m_load_thread.EmplaceItem(Command{CommandType::UpdateDirectory, dir});
}
void GameTracker::UpdateFile(const QString& dir)
{
m_load_thread.EmplaceItem(Command{CommandType::UpdateFile, dir});
}
void GameTracker::AddDirectoryInternal(const QString& dir)
{
if (!QFileInfo(dir).exists())
return;
addPath(dir);
UpdateDirectoryInternal(dir);
}
void GameTracker::RemoveDirectoryInternal(const QString& dir)
{
removePath(dir);
QDirIterator it(dir, game_filters, QDir::NoFilter, QDirIterator::Subdirectories);
@ -57,7 +96,7 @@ void GameTracker::RemoveDirectory(const QString& dir)
}
}
void GameTracker::UpdateDirectory(const QString& dir)
void GameTracker::UpdateDirectoryInternal(const QString& dir)
{
QDirIterator it(dir, game_filters, QDir::NoFilter, QDirIterator::Subdirectories);
while (it.hasNext())
@ -74,7 +113,7 @@ void GameTracker::UpdateDirectory(const QString& dir)
{
addPath(path);
m_tracked_files[path] = QSet<QString>{dir};
m_load_thread.EmplaceItem(path);
LoadGame(path);
}
}
@ -91,6 +130,21 @@ void GameTracker::UpdateDirectory(const QString& dir)
}
}
void GameTracker::UpdateFileInternal(const QString& file)
{
if (QFileInfo(file).exists())
{
GameRemoved(file);
addPath(file);
LoadGame(file);
}
else if (removePath(file))
{
m_tracked_files.remove(file);
emit GameRemoved(file);
}
}
QSet<QString> GameTracker::FindMissingFiles(const QString& dir)
{
QDirIterator it(dir, game_filters, QDir::NoFilter, QDirIterator::Subdirectories);
@ -113,22 +167,6 @@ QSet<QString> GameTracker::FindMissingFiles(const QString& dir)
return missing_files;
}
void GameTracker::UpdateFile(const QString& file)
{
if (QFileInfo(file).exists())
{
GameRemoved(file);
addPath(file);
m_load_thread.EmplaceItem(file);
}
else if (removePath(file))
{
m_tracked_files.remove(file);
emit GameRemoved(file);
}
}
void GameTracker::LoadGame(const QString& path)
{
const std::string converted_path = path.toStdString();

23
Source/Core/DolphinQt2/GameList/GameTracker.h
View File

@ -34,14 +34,33 @@ signals:
void GameRemoved(const QString& path);
private:
void LoadGame(const QString& path);
void UpdateDirectory(const QString& dir);
void UpdateFile(const QString& path);
void AddDirectoryInternal(const QString& dir);
void RemoveDirectoryInternal(const QString& dir);
void UpdateDirectoryInternal(const QString& dir);
void UpdateFileInternal(const QString& path);
QSet<QString> FindMissingFiles(const QString& dir);
void LoadGame(const QString& path);
enum class CommandType
{
LoadCache,
AddDirectory,
RemoveDirectory,
UpdateDirectory,
UpdateFile,
};
struct Command
{
CommandType type;
QString path;
};
// game path -> directories that track it
QMap<QString, QSet<QString>> m_tracked_files;
Common::WorkQueueThread<QString> m_load_thread;
Common::WorkQueueThread<Command> m_load_thread;
UICommon::GameFileCache m_cache;
Core::TitleDatabase m_title_database;
};