usbloadergx/source/GUI/gui_image_async.h

#ifndef _GUIIMAGEASYNC_H_
#define _GUIIMAGEASYNC_H_

#include <vector>
#include "gui.h"

typedef GuiImageData * (*ImageLoaderCallback)(void *arg);

class GuiImageAsync: public GuiImage
{
    public:
        GuiImageAsync(const char *Filename, GuiImageData * PreloadImg);
        GuiImageAsync(ImageLoaderCallback Callback, const void *Arg, int ArgLen, GuiImageData * PreloadImg);
        virtual ~GuiImageAsync();

        static void ClearQueue();
    private:
        GuiImageData *imgData;
        ImageLoaderCallback callback;
        void *arg;

        static void * GuiImageAsyncThread(void *arg);
        static void ThreadAddImage(GuiImageAsync* Image);
        static void ThreadRemoveImage(GuiImageAsync* Image);
        static u32 ThreadInit();
        static u32 ThreadExit();

        static std::vector<GuiImageAsync *> List;
        static lwp_t Thread;
        static mutex_t ListLock;
        static GuiImageAsync * InUse;
        static u32 ThreadCount;
        static bool ThreadSleep;
        static bool CloseThread;
};

#endif /*_GUIIMAGEASYNC_H_*/