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path: root/src/mm-callback-info.c
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

#include "mm-callback-info.h"
#include "mm-modem-error.h"

static void
callback_info_done (gpointer user_data)
{
    MMCallbackInfo *info = (MMCallbackInfo *) user_data;
    gpointer result;

    info->pending_id = 0;

    result = mm_callback_info_get_data (info, "callback-info-result");

    if (info->async_callback)
        info->async_callback (info->modem, info->error, info->user_data);
    else if (info->uint_callback)
        info->uint_callback (info->modem, GPOINTER_TO_UINT (result), info->error, info->user_data);
    else if (info->str_callback)
        info->str_callback (info->modem, (const char *) result, info->error, info->user_data);

    if (info->error)
        g_error_free (info->error);

    g_object_unref (info->modem);
    g_datalist_clear (&info->qdata);

    g_slice_free (MMCallbackInfo, info);
}

static gboolean
callback_info_do (gpointer user_data)
{
    /* Nothing here, everything is done in callback_info_done to make sure the info->callback
       always gets called, even if the pending call gets cancelled. */
    return FALSE;
}

void
mm_callback_info_schedule (MMCallbackInfo *info)
{
    info->pending_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, callback_info_do, info, callback_info_done);
}

void
mm_callback_info_cancel (MMCallbackInfo *info)
{
    if (info->pending_id) {
        info->error = g_error_new (MM_MODEM_ERROR, MM_MODEM_ERROR_GENERAL, "%s", "Call cancelled");
        mm_callback_info_schedule (info);
    }
}

MMCallbackInfo *
mm_callback_info_new (MMModem *modem, MMModemFn callback, gpointer user_data)
{
    MMCallbackInfo *info;

    info = g_slice_new0 (MMCallbackInfo);
    g_datalist_init (&info->qdata);
    info->modem = g_object_ref (modem);
    info->async_callback = callback;
    info->user_data = user_data;

    return info;
}

MMCallbackInfo *
mm_callback_info_uint_new (MMModem *modem,
                           MMModemUIntFn callback,
                           gpointer user_data)
{
    MMCallbackInfo *info;

    info = g_slice_new0 (MMCallbackInfo);
    g_datalist_init (&info->qdata);
    info->modem = g_object_ref (modem);
    info->uint_callback = callback;
    info->user_data = user_data;

    return info;
}

MMCallbackInfo *
mm_callback_info_string_new (MMModem *modem,
                             MMModemStringFn callback,
                             gpointer user_data)
{
    MMCallbackInfo *info;

    info = g_slice_new0 (MMCallbackInfo);
    g_datalist_init (&info->qdata);
    info->modem = g_object_ref (modem);
    info->str_callback = callback;
    info->user_data = user_data;

    return info;
}

void
mm_callback_info_set_result (MMCallbackInfo *info,
                             gpointer data,
                             GDestroyNotify destroy)
{
    mm_callback_info_set_data (info, "callback-info-result", data, destroy);
}

void
mm_callback_info_set_data (MMCallbackInfo *info,
                           const char *key,
                           gpointer data,
                           GDestroyNotify destroy)
{
    g_datalist_id_set_data_full (&info->qdata, g_quark_from_string (key), data,
                                 data ? destroy : (GDestroyNotify) NULL);
}

gpointer
mm_callback_info_get_data (MMCallbackInfo *info, const char *key)
{
    GQuark quark;

    quark = g_quark_try_string (key);

    return quark ? g_datalist_id_get_data (&info->qdata, quark) : NULL;
}