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/* vi:set et ai sw=2 sts=2 ts=2: */
/*-
* Copyright (c) 2009-2011 Jannis Pohlmann <jannis@xfce.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib.h>
#include <glib-object.h>
#include <tumbler/tumbler-abstract-thumbnailer.h>
#include <tumbler/tumbler-file-info.h>
#include <tumbler/tumbler-thumbnailer.h>
/* Property identifiers */
enum
{
PROP_0,
PROP_URI_SCHEMES,
PROP_MIME_TYPES,
PROP_HASH_KEYS,
PROP_PRIORITY,
PROP_MAX_FILE_SIZE,
PROP_LOCATIONS,
PROP_EXCLUDES
};
static void tumbler_abstract_thumbnailer_thumbnailer_init (TumblerThumbnailerIface *iface);
static void tumbler_abstract_thumbnailer_constructed (GObject *object);
static void tumbler_abstract_thumbnailer_finalize (GObject *object);
static void tumbler_abstract_thumbnailer_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void tumbler_abstract_thumbnailer_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void tumbler_abstract_thumbnailer_create (TumblerThumbnailer *thumbnailer,
GCancellable *cancellable,
TumblerFileInfo *info);
struct _TumblerAbstractThumbnailerPrivate
{
gchar **hash_keys;
gchar **mime_types;
gchar **uri_schemes;
gint priority;
gint64 max_file_size;
GSList *locations;
GSList *excludes;
};
G_DEFINE_TYPE_EXTENDED (TumblerAbstractThumbnailer,
tumbler_abstract_thumbnailer,
G_TYPE_OBJECT,
G_TYPE_FLAG_ABSTRACT,
G_IMPLEMENT_INTERFACE (TUMBLER_TYPE_THUMBNAILER,
tumbler_abstract_thumbnailer_thumbnailer_init)
G_ADD_PRIVATE (TumblerAbstractThumbnailer));
static void
tumbler_abstract_thumbnailer_class_init (TumblerAbstractThumbnailerClass *klass)
{
GObjectClass *gobject_class;
gobject_class = G_OBJECT_CLASS (klass);
gobject_class->constructed = tumbler_abstract_thumbnailer_constructed;
gobject_class->finalize = tumbler_abstract_thumbnailer_finalize;
gobject_class->get_property = tumbler_abstract_thumbnailer_get_property;
gobject_class->set_property = tumbler_abstract_thumbnailer_set_property;
g_object_class_override_property (gobject_class, PROP_MIME_TYPES, "mime-types");
g_object_class_override_property (gobject_class, PROP_URI_SCHEMES, "uri-schemes");
g_object_class_override_property (gobject_class, PROP_HASH_KEYS, "hash-keys");
g_object_class_override_property (gobject_class, PROP_PRIORITY, "priority");
g_object_class_override_property (gobject_class, PROP_MAX_FILE_SIZE, "max-file-size");
g_object_class_override_property (gobject_class, PROP_LOCATIONS, "locations");
g_object_class_override_property (gobject_class, PROP_EXCLUDES, "excludes");
}
static void
tumbler_abstract_thumbnailer_thumbnailer_init (TumblerThumbnailerIface *iface)
{
iface->create = tumbler_abstract_thumbnailer_create;
}
static void
tumbler_abstract_thumbnailer_init (TumblerAbstractThumbnailer *thumbnailer)
{
thumbnailer->priv = tumbler_abstract_thumbnailer_get_instance_private (thumbnailer);
}
static void
tumbler_abstract_thumbnailer_constructed (GObject *object)
{
TumblerAbstractThumbnailer *thumbnailer = TUMBLER_ABSTRACT_THUMBNAILER (object);
gchar *hash_key;
guint num_hash_keys;
guint num_mime_types;
guint num_uri_schemes;
guint i;
guint j;
g_return_if_fail (TUMBLER_IS_ABSTRACT_THUMBNAILER (thumbnailer));
g_return_if_fail (thumbnailer->priv->mime_types != NULL);
g_return_if_fail (thumbnailer->priv->uri_schemes != NULL);
g_return_if_fail (thumbnailer->priv->hash_keys == NULL);
/* chain up to parent classes */
if (G_OBJECT_CLASS (tumbler_abstract_thumbnailer_parent_class)->constructed != NULL)
(G_OBJECT_CLASS (tumbler_abstract_thumbnailer_parent_class)->constructed) (object);
/* determine the size of both arrays */
num_uri_schemes = g_strv_length (thumbnailer->priv->uri_schemes);
num_mime_types = g_strv_length (thumbnailer->priv->mime_types);
/* compute the number of hash keys to generate */
num_hash_keys = num_uri_schemes * num_mime_types;
/* allocate and NULL-terminate the hash key array */
thumbnailer->priv->hash_keys = g_new0 (gchar *, num_hash_keys + 1);
thumbnailer->priv->hash_keys[num_hash_keys] = NULL;
/* iterate over all pairs of URIs and MIME types */
for (i = 0; thumbnailer->priv->uri_schemes[i] != NULL; ++i)
for (j = 0; thumbnailer->priv->mime_types[j] != NULL; ++j)
{
/* generate a hash key for the current pair */
hash_key = g_strdup_printf ("%s-%s",
thumbnailer->priv->uri_schemes[i],
thumbnailer->priv->mime_types[j]);
/* add the key to the array */
thumbnailer->priv->hash_keys[(j*num_uri_schemes)+i] = hash_key;
}
}
static void
tumbler_abstract_thumbnailer_finalize (GObject *object)
{
TumblerAbstractThumbnailer *thumbnailer = TUMBLER_ABSTRACT_THUMBNAILER (object);
g_strfreev (thumbnailer->priv->hash_keys);
g_strfreev (thumbnailer->priv->mime_types);
g_strfreev (thumbnailer->priv->uri_schemes);
g_slist_free_full (thumbnailer->priv->locations, g_object_unref);
g_slist_free_full (thumbnailer->priv->excludes, g_object_unref);
(*G_OBJECT_CLASS (tumbler_abstract_thumbnailer_parent_class)->finalize) (object);
}
static gpointer
tumbler_object_ref (gconstpointer object,
gpointer data)
{
return g_object_ref ((gpointer) object);
}
static void
tumbler_abstract_thumbnailer_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
TumblerAbstractThumbnailer *thumbnailer = TUMBLER_ABSTRACT_THUMBNAILER (object);
GSList *dup;
switch (prop_id)
{
case PROP_MIME_TYPES:
g_value_set_pointer (value, g_strdupv (thumbnailer->priv->mime_types));
break;
case PROP_URI_SCHEMES:
g_value_set_pointer (value, g_strdupv (thumbnailer->priv->uri_schemes));
break;
case PROP_HASH_KEYS:
g_value_set_pointer (value, g_strdupv (thumbnailer->priv->hash_keys));
break;
case PROP_PRIORITY:
g_value_set_int (value, thumbnailer->priv->priority);
break;
case PROP_MAX_FILE_SIZE:
g_value_set_int64 (value, thumbnailer->priv->max_file_size);
break;
case PROP_LOCATIONS:
dup = g_slist_copy_deep (thumbnailer->priv->locations, tumbler_object_ref, NULL);
g_value_set_pointer (value, dup);
break;
case PROP_EXCLUDES:
dup = g_slist_copy_deep (thumbnailer->priv->excludes, tumbler_object_ref, NULL);
g_value_set_pointer (value, dup);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
tumbler_abstract_thumbnailer_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
TumblerAbstractThumbnailer *thumbnailer = TUMBLER_ABSTRACT_THUMBNAILER (object);
GSList *dup;
switch (prop_id)
{
case PROP_MIME_TYPES:
thumbnailer->priv->mime_types = g_strdupv (g_value_get_pointer (value));
break;
case PROP_URI_SCHEMES:
thumbnailer->priv->uri_schemes = g_strdupv (g_value_get_pointer (value));
break;
case PROP_HASH_KEYS:
thumbnailer->priv->hash_keys = g_strdupv (g_value_get_pointer (value));
break;
case PROP_PRIORITY:
thumbnailer->priv->priority = g_value_get_int (value);
break;
case PROP_MAX_FILE_SIZE:
thumbnailer->priv->max_file_size = g_value_get_int64 (value);
break;
case PROP_LOCATIONS:
dup = g_slist_copy_deep (g_value_get_pointer (value), tumbler_object_ref, NULL);
thumbnailer->priv->locations = dup;
break;
case PROP_EXCLUDES:
dup = g_slist_copy_deep (g_value_get_pointer (value), tumbler_object_ref, NULL);
thumbnailer->priv->excludes = dup;
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
tumbler_abstract_thumbnailer_create (TumblerThumbnailer *thumbnailer,
GCancellable *cancellable,
TumblerFileInfo *info)
{
g_return_if_fail (TUMBLER_IS_ABSTRACT_THUMBNAILER (thumbnailer));
g_return_if_fail (TUMBLER_IS_FILE_INFO (info));
g_return_if_fail (TUMBLER_ABSTRACT_THUMBNAILER_GET_CLASS (thumbnailer)->create != NULL);
TUMBLER_ABSTRACT_THUMBNAILER_GET_CLASS (thumbnailer)->create (TUMBLER_ABSTRACT_THUMBNAILER (thumbnailer),
cancellable, info);
}
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