Add touch input support, add fast scrolling support for coverflow display mode, fix use after free bug in banner list mode

arm9/source/romBrowser/viewModels/RomBrowserItemViewModel.h

@@ -0,0 +1,43 @@
+#pragma once
+#include "core/task/TaskQueue.h"
+
+class IRomBrowserController;
+
+class RomBrowserItemViewModel
+{
+public:
+    explicit RomBrowserItemViewModel(IRomBrowserController* romBrowserController)
+        : _romBrowserController(romBrowserController) { }
+
+    void Activate();
+    void ShowGameInfo();
+
+    void SetIndex(int index)
+    {
+        _index = index;
+    }
+
+    void SetQueueTask(QueueTask<void> queueTask)
+    {
+        _queueTask = std::move(queueTask);
+    }
+
+    void CancelQueueTask()
+    {
+        _queueTask.CancelTask();
+    }
+
+    void DisposeQueueTaskWhenComplete()
+    {
+        if (_queueTask.GetTask().IsCompleted())
+        {
+            _queueTask.Dispose();
+        }
+    }
+
+private:
+    int _index = -1;
+    QueueTask<void> _queueTask;
+
+    IRomBrowserController* _romBrowserController;
+};