/*
 * Copyright (C) 2016 Canonical Ltd.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2 or version 3 of the License.
 * See http://www.gnu.org/copyleft/lgpl.html the full text of the license.
 */

#include "config.h"

#include <string.h>

#include "snapd-icon.h"

/**
 * SECTION:snapd-icon
 * @short_description: Snap icon data
 * @include: snapd-glib/snapd-glib.h
 *
 * A #SnapdIcon contains the icon data for a given snap. Icons can be requested
 * using snapd_client_get_icon_sync().
 */

/**
 * SnapdIcon:
 *
 * #SnapdIcon is an opaque data structure and can only be accessed
 * using the provided functions.
 */

struct _SnapdIcon
{
    GObject parent_instance;

    gchar *mime_type;
    GBytes *data;
};

enum 
{
    PROP_MIME_TYPE = 1,
    PROP_DATA,
    PROP_LAST  
};
 
G_DEFINE_TYPE (SnapdIcon, snapd_icon, G_TYPE_OBJECT)

/**
 * snapd_icon_get_mime_type:
 * @icon: a #SnapdIcon.
 *
 * Get the mime-type for this icon, e.g. "image/png".
 *
 * Returns: a MIME type.
 */
const gchar *
snapd_icon_get_mime_type (SnapdIcon *icon)
{
    g_return_val_if_fail (SNAPD_IS_ICON (icon), NULL);
    return icon->mime_type;
}

/**
 * snapd_icon_get_data:
 * @icon: a #SnapdIcon.
 * 
 * Get the binary data for this icon.
 *
 * Returns: (transfer none): the binary data.
 */
GBytes *
snapd_icon_get_data (SnapdIcon *icon)
{
    g_return_val_if_fail (SNAPD_IS_ICON (icon), NULL);
    return icon->data;
}

static void
snapd_icon_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
    SnapdIcon *icon = SNAPD_ICON (object);

    switch (prop_id) {
    case PROP_MIME_TYPE:
        g_free (icon->mime_type);
        icon->mime_type = g_strdup (g_value_get_string (value));
        break;
    case PROP_DATA:
        g_clear_pointer (&icon->data, g_bytes_unref);
        if (g_value_get_boxed (value) != NULL)
            icon->data = g_bytes_ref (g_value_get_boxed (value));
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

static void
snapd_icon_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
    SnapdIcon *icon = SNAPD_ICON (object);

    switch (prop_id) {
    case PROP_MIME_TYPE:
        g_value_set_string (value, icon->mime_type);
        break;
    case PROP_DATA:
        g_value_set_boxed (value, icon->data);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

static void
snapd_icon_finalize (GObject *object)
{
    SnapdIcon *icon = SNAPD_ICON (object);

    g_clear_pointer (&icon->mime_type, g_free);
    g_clear_pointer (&icon->data, g_bytes_unref);
}

static void
snapd_icon_class_init (SnapdIconClass *klass)
{
    GObjectClass *gobject_class = G_OBJECT_CLASS (klass);

    gobject_class->set_property = snapd_icon_set_property;
    gobject_class->get_property = snapd_icon_get_property; 
    gobject_class->finalize = snapd_icon_finalize;

    g_object_class_install_property (gobject_class,
                                     PROP_MIME_TYPE,
                                     g_param_spec_string ("mime-type",
                                                          "mime-type",
                                                          "Icon mime type",
                                                          NULL,
                                                          G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
    g_object_class_install_property (gobject_class,
                                     PROP_DATA,
                                     g_param_spec_boxed ("data",
                                                         "data",
                                                         "Icon data",
                                                         G_TYPE_BYTES,
                                                         G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
}

static void
snapd_icon_init (SnapdIcon *icon)
{
}