Initial commit

arm9/source/gui/views/RecyclerAdapter.h

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+#pragma once
+class View;
+
+/// @brief Adapter class providing the content to show in a \see RecyclerView.
+///        All items in the adapter use an identical view that can be reused to
+///        show another item of this adapter when it goes off screen.
+class RecyclerAdapter
+{
+public:
+    virtual ~RecyclerAdapter() { }
+
+    /// @brief Returns the total number of items in this adapter.
+    /// @return The total number of items in this adapter.
+    virtual u32 GetItemCount() const = 0;
+
+    /// @brief Returns the size of each view of this adapter.
+    /// @param width Returns the with of the view.
+    /// @param height Returns the height of the view.
+    virtual void GetViewSize(int& width, int& height) const = 0;
+
+    /// @brief Creates and returns a view for this adapter.
+    /// @return The created view.
+    virtual View* CreateView() const = 0;
+
+    /// @brief Destroys a \p view for this adapter that was previously created with CreateView.
+    /// @param view The view to destroy.
+    virtual void DestroyView(View* view) const = 0;
+
+    /// @brief Binds the given \p view to the item at the given \p index.
+    /// @param view The view to bind.
+    /// @param index The item index to bind to.
+    virtual void BindView(View* view, int index) const = 0;
+
+    /// @brief Releases a \p view that was previously bound with BindView, such that it can be reused.
+    /// @param view The view to release.
+    /// @param index The item index that was bound to the view.
+    virtual void ReleaseView(View* view, int index) const = 0;
+};