Initial commit

arm9/source/romBrowser/views/CoverFlowRecyclerViewBase.h

@@ -0,0 +1,53 @@
+#pragma once
+#include <array>
+#include "gui/views/RecyclerViewBase.h"
+
+class CoverFlowRecyclerViewBase : public RecyclerViewBase
+{
+public:
+    void InitVram(const VramContext& vramContext) override;
+    void SetAdapter(const RecyclerAdapter* adapter, int initialSelectedIndex = 0) override;
+    View* MoveFocus(View* currentFocus, FocusMoveDirection direction, View* source) override;
+
+    Rectangle GetBounds() const override
+    {
+        return Rectangle(_position, 256, 160);
+    }
+
+    void Focus(FocusManager& focusManager) override
+    {
+        focusManager.Focus(_selectedItem ? _selectedItem->view : this);
+    }
+
+    int GetSelectedItem() const override
+    {
+        return _selectedItem ? _selectedItem->itemIdx : -1;
+    }
+
+protected:
+    struct ViewPoolEntry
+    {
+        View* view;
+        int itemIdx = -1;
+    };
+
+    std::array<ViewPoolEntry, 10> _viewPool;
+    u32 _viewPoolFreeCount;
+    u32 _itemCount;
+    ViewPoolEntry* _selectedItem = nullptr;
+    int _curRangeStart = 0;
+    int _curRangeLength = 0;
+
+    ViewPoolEntry* GetViewPoolEntryByItemIndex(int itemIdx);
+    ViewPoolEntry* BindViewPoolEntry(int itemIdx);
+    void BindRange(int start, int end);
+    void ReleaseViewPoolEntry(int itemIdx);
+    void ReleaseRange(int start, int end);
+    void SetSelectedItem(int itemIdx, bool initial);
+    virtual void UpdateItemPosition(int viewPoolIndex, bool initial) = 0;
+
+    virtual void SwapViewPoolEntry(int indexA, int indexB)
+    {
+        std::swap(_viewPool[indexA], _viewPool[indexB]);
+    }
+};