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