ISettingAccessorDetails.h

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#pragma once
 
#include <nn/result.h>
#include <nn/sl/sl_cpp.h>
#include <wut.h>
 
#ifdef __cplusplus
 
namespace nn::sl {
    class TitleIconCache;
    class DataCreator;
    class Condition;
    class DrcManager;
    class KillerNotificationSelector;
    class QuickStartApplicationSelector;
    namespace details {
        class ISettingAccessorBase;
        struct ISettingAccessorInternal;
 
        typedef nn::Result (*ISettingAccessor_GetFn)(ISettingAccessorInternal *, Setting *);
 
        struct WUT_PACKED ISettingAccessorInternalVTable {
            ISettingAccessorBase *instance; // Is normally padding
            uint32_t info;
            WUT_PADDING_BYTES(4);
            uint32_t destructor;
            WUT_PADDING_BYTES(4);
            ISettingAccessor_GetFn GetFn;
        };
        WUT_CHECK_SIZE(ISettingAccessorInternalVTable, 0x18);
        WUT_CHECK_OFFSET(ISettingAccessorInternalVTable, 0x00, instance);
        WUT_CHECK_OFFSET(ISettingAccessorInternalVTable, 0x14, GetFn);
 
        typedef struct WUT_PACKED ISettingAccessorInternal {
            ISettingAccessorInternalVTable *vtable;
        } ISettingAccessorInternal;
        WUT_CHECK_SIZE(ISettingAccessorInternal, 0x04);
        WUT_CHECK_OFFSET(ISettingAccessorInternal, 0x00, vtable);
 
        class ISettingAccessorBase {
            friend class nn::sl::TitleIconCache;
            friend class nn::sl::DataCreator;
            friend class nn::sl::Condition;
            friend class nn::sl::DrcManager;
            friend class nn::sl::KillerNotificationSelector;
            friend class nn::sl::QuickStartApplicationSelector;
 
        public:
            ISettingAccessorBase() = default;
 
            virtual ~ISettingAccessorBase() = default;
 
            virtual nn::Result Get(nn::sl::Setting *) const = 0;
 
        private:
            virtual details::ISettingAccessorInternal *GetInternal() = 0;
        };
 
 
        class SettingAccessorFromPtr : public ISettingAccessorBase {
        public:
            explicit SettingAccessorFromPtr(details::ISettingAccessorInternal *ptr) : mInstancePtr(ptr) {
            }
 
            nn::Result Get(nn::sl::Setting *outSetting) const override {
                if (!mInstancePtr) {
                    return {Result::LEVEL_FATAL, Result::RESULT_MODULE_NN_SL, 1};
                }
                return mInstancePtr->vtable->GetFn(mInstancePtr, outSetting);
            }
 
        private:
            details::ISettingAccessorInternal *GetInternal() override {
                return mInstancePtr;
            }
 
            details::ISettingAccessorInternal *mInstancePtr;
        };
    } // namespace details
} // namespace nn::sl
 
#endif