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/*
 * osdmodule.c
 *
 */

#include "modules/osdmodule.h"

osd_module_manager::osd_module_manager()
{
    for (int i=0; i<MAX_MODULES; i++)
    {
        m_modules[i]  = NULL;
        m_selected[i] = NULL;
    }
}
osd_module_manager::~osd_module_manager()
{
    for (int i = 0; m_modules[i] != NULL; i++)
    {
        m_modules[i]->~osd_module();
        osd_free(m_modules[i]);
    }
}

void osd_module_manager::register_module(const module_type &mod_type)
{
    osd_module *module = mod_type();
    if (module->probe())
    {
        osd_printf_verbose("===> registered module %s %s\n", module->name(), module->type());

        int i;
        for (i = 0; m_modules[i] != NULL; i++)
            ;
        m_modules[i] = module;
    }
    else
    {
        osd_printf_verbose("===> not supported %s %s\n", module->name(), module->type());
        module->~osd_module();
        osd_free(module);
    }
}

bool osd_module_manager::type_has_name(const char *type, const char *name)
{
    return (get_module_index(type, name) >= 0);
}

osd_module *osd_module_manager::get_module_generic(const char *type, const char *name)
{
    int i = get_module_index(type, name);
    if (i>=0)
        return m_modules[i];
    else
        return NULL;
}

osd_module *osd_module_manager::select_module(const char *type, const char *name)
{
    osd_module *m = get_module_generic(type, name);

    // FIXME: check if already exists!
    int i;
    for (i = 0; m_selected[i] != NULL; i++)
        ;
    m_selected[i] = m;
    return m;
}

void osd_module_manager::init()
{
    for (int i = 0; m_selected[i] != NULL; i++)
    {
        m_selected[i]->init();
    }
}

void osd_module_manager::exit()
{
    // Find count
    int cnt;
    for (cnt = 0; m_selected[cnt] != NULL; cnt++)
        ;
    for (int i = cnt - 1; i >= 0; i--)
    {
        m_selected[i]->exit();
        m_selected[i] = NULL;
    }
}

int osd_module_manager::get_module_index(const char *type, const char *name)
{
    for (int i = 0; m_modules[i] != NULL; i++)
    {
        if (strcmp(m_modules[i]->type(), type) == 0 && ((name[0] == 0) || (strcmp(name, m_modules[i]->name())==0)))
            return i;
    }
    return -1;
}

void osd_module_manager::get_module_names(const char *type, const int max, int *num, const char *names[])
{
    *num = 0;
    for (int i = 0; m_modules[i] != NULL; i++)
    {
        if ((strcmp(m_modules[i]->type(), type) == 0) && (*num < max))
        {
            names[*num] = m_modules[i]->name();
            *num = *num + 1;
        }

    }
}