Initial commit

arm9/source/romBrowser/FileInfoManager.h

@@ -0,0 +1,70 @@
+#pragma once
+#include "common.h"
+#include <memory>
+#include "FileInfo.h"
+#include "FileType/FileCover.h"
+#include "ICoverRepository.h"
+#include "core/SharedPtr.h"
+#include "FileType/InternalFileInfo.h"
+
+class FileInfoManager
+{
+public:
+    FileInfoManager(std::unique_ptr<const FileInfo*[]> items, u32 itemCount, const ICoverRepository& coverRepository);
+    ~FileInfoManager();
+
+    const InternalFileInfo* GetInternalFileInfo(int index)
+    {
+        return _extraFileInfo[index].internalFileInfo;
+    }
+
+    SharedPtr<FileCover> GetFileCover(int index)
+    {
+        return _extraFileInfo[index].fileCover;
+    }
+
+    void LoadFileInfo(int index)
+    {
+        auto internalFileInfo = GetInternalFileInfo(index);
+        if (!internalFileInfo)
+        {
+            internalFileInfo = _items[index]->CreateInternalFileInfo();
+        }
+
+        if (!_extraFileInfo[index].fileCover.IsValid())
+        {
+            _extraFileInfo[index].fileCover = SharedPtr(_coverRepository.GetCoverForFile(*_items[index], internalFileInfo));
+        }
+
+        _extraFileInfo[index].internalFileInfo = internalFileInfo;
+    }
+
+    void ReleaseFileInfo(int index)
+    {
+        auto internalFileInfo = GetInternalFileInfo(index);
+        if (internalFileInfo)
+        {
+            delete internalFileInfo;
+            _extraFileInfo[index].internalFileInfo = nullptr;
+        }
+
+        _extraFileInfo[index].fileCover.Reset();
+    }
+
+    int GetItemIndex(const char* fileName);
+
+    const FileInfo& GetItem(int index) const { return *_items[index]; }
+    u32 GetItemCount() const { return _itemCount; }
+
+private:
+    struct ExtraFileInfo
+    {
+        const InternalFileInfo* internalFileInfo;
+        SharedPtr<FileCover> fileCover;
+    };
+
+    std::unique_ptr<const FileInfo*[]> _items;
+    u32 _itemCount;
+    std::unique_ptr<ExtraFileInfo[]> _extraFileInfo;
+    const ICoverRepository& _coverRepository;
+};