Merge pull request #7499 from JosJuice/purge-game-list-cache

DolphinQt: Implement "Purge Game List Cache"

Source/Core/DolphinQt/GameList/GameList.cpp

@@ -89,6 +89,11 @@ GameList::GameList(QWidget* parent) : QStackedWidget(parent)
           [this] { m_grid_proxy->invalidate(); });
 }
 
+void GameList::PurgeCache()
+{
+  m_model->PurgeCache();
+}
+
 void GameList::MakeListView()
 {
   m_list = new QTableView(this);

Source/Core/DolphinQt/GameList/GameList.h

@@ -41,6 +41,8 @@ public:
 
   void resizeEvent(QResizeEvent* event) override;
 
+  void PurgeCache();
+
 signals:
   void GameSelected();
   void NetPlayHost(const QString& game_id);

Source/Core/DolphinQt/GameList/GameListModel.cpp

@@ -362,3 +362,8 @@ void GameListModel::DeleteTag(const QString& name)
 
   Settings::GetQSettings().setValue(QStringLiteral("gamelist/tags"), m_tag_list);
 }
+
+void GameListModel::PurgeCache()
+{
+  m_tracker.PurgeCache();
+}

Source/Core/DolphinQt/GameList/GameListModel.h

@@ -75,6 +75,8 @@ public:
   void NewTag(const QString& name);
   void DeleteTag(const QString& name);
 
+  void PurgeCache();
+
 private:
   // Index in m_games, or -1 if it isn't found
   int FindGame(const std::string& path) const;

Source/Core/DolphinQt/GameList/GameTracker.cpp

@@ -75,6 +75,9 @@ GameTracker::GameTracker(QObject* parent) : QFileSystemWatcher(parent)
           });
       QueueOnObject(this, [this] { Settings::Instance().NotifyMetadataRefreshComplete(); });
       break;
+    case CommandType::PurgeCache:
+      m_cache.Clear(UICommon::GameFileCache::DeleteOnDisk::Yes);
+      break;
     }
   });
 
@@ -322,3 +325,9 @@ void GameTracker::LoadGame(const QString& path)
       m_cache.Save();
   }
 }
+
+void GameTracker::PurgeCache()
+{
+  m_load_thread.EmplaceItem(Command{CommandType::PurgeCache, {}});
+  RefreshAll();
+}

Source/Core/DolphinQt/GameList/GameTracker.h

@@ -41,6 +41,7 @@ public:
   void AddDirectory(const QString& dir);
   void RemoveDirectory(const QString& dir);
   void RefreshAll();
+  void PurgeCache();
 
 signals:
   void GameLoaded(const std::shared_ptr<const UICommon::GameFile>& game);
@@ -70,7 +71,8 @@ private:
     RemoveDirectory,
     UpdateDirectory,
     UpdateFile,
-    UpdateMetadata
+    UpdateMetadata,
+    PurgeCache
   };
 
   struct Command