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/*
* gnome-keyring
*
* Copyright (C) 2010 Stefan Walter
*
* This program 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 2.1 of
* the License, or (at your option) any later version.
*
* This program 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "config.h"
#include "gcr-collection.h"
#include "gcr-deprecated-base.h"
#include "gcr-internal.h"
#include "gcr-simple-collection.h"
#include <string.h>
/**
* SECTION:gcr-simple-collection
* @title: GcrSimpleCollection
* @short_description: A simple implementation of GcrCollection
*
* A simple implementation of #GcrCollection, which you can add and remove
* objects from. Use gcr_simple_collection_add() to do this
* gcr_simple_collection_remove().
*/
/**
* GcrSimpleCollection:
*
* A simple implementation of #GcrCollection.
*/
/**
* GcrSimpleCollectionClass:
* @parent_class: The parent class
*
* The class for #GcrSimpleCollection.
*/
struct _GcrSimpleCollectionPrivate {
GHashTable *items;
};
static void gcr_collection_iface (GcrCollectionIface *iface);
G_DEFINE_TYPE_WITH_CODE (GcrSimpleCollection, gcr_simple_collection, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GCR_TYPE_COLLECTION, gcr_collection_iface));
#define UNUSED_VALUE GUINT_TO_POINTER (1)
/* -----------------------------------------------------------------------------
* OBJECT
*/
static void
gcr_simple_collection_init (GcrSimpleCollection *self)
{
self->pv = G_TYPE_INSTANCE_GET_PRIVATE (self, GCR_TYPE_SIMPLE_COLLECTION, GcrSimpleCollectionPrivate);
self->pv->items = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, NULL);
}
static void
gcr_simple_collection_dispose (GObject *obj)
{
GcrSimpleCollection *self = GCR_SIMPLE_COLLECTION (obj);
g_hash_table_remove_all (self->pv->items);
G_OBJECT_CLASS (gcr_simple_collection_parent_class)->dispose (obj);
}
static void
gcr_simple_collection_finalize (GObject *obj)
{
GcrSimpleCollection *self = GCR_SIMPLE_COLLECTION (obj);
g_assert (self->pv->items);
g_assert (g_hash_table_size (self->pv->items) == 0);
g_hash_table_destroy (self->pv->items);
self->pv->items = NULL;
G_OBJECT_CLASS (gcr_simple_collection_parent_class)->finalize (obj);
}
static void
gcr_simple_collection_class_init (GcrSimpleCollectionClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->dispose = gcr_simple_collection_dispose;
gobject_class->finalize = gcr_simple_collection_finalize;
g_type_class_add_private (gobject_class, sizeof (GcrSimpleCollectionPrivate));
}
static guint
gcr_simple_collection_real_get_length (GcrCollection *coll)
{
GcrSimpleCollection *self = GCR_SIMPLE_COLLECTION (coll);
return g_hash_table_size (self->pv->items);
}
static GList*
gcr_simple_collection_real_get_objects (GcrCollection *coll)
{
GcrSimpleCollection *self = GCR_SIMPLE_COLLECTION (coll);
return g_hash_table_get_keys (self->pv->items);
}
static gboolean
gcr_simple_collection_real_contains (GcrCollection *collection,
GObject *object)
{
GcrSimpleCollection *self = GCR_SIMPLE_COLLECTION (collection);
return g_hash_table_lookup (self->pv->items, object) ? TRUE : FALSE;
}
static void
gcr_collection_iface (GcrCollectionIface *iface)
{
iface->get_length = gcr_simple_collection_real_get_length;
iface->get_objects = gcr_simple_collection_real_get_objects;
iface->contains = gcr_simple_collection_real_contains;
}
/* -----------------------------------------------------------------------------
* PUBLIC
*/
/**
* gcr_simple_collection_new:
*
* Create a new #GcrSimpleCollection.
*
* Returns: (transfer full) (type Gcr.SimpleCollection): a newly allocated
* collection, which should be freed with g_object_unref()
*/
GcrCollection *
gcr_simple_collection_new (void)
{
return g_object_new (GCR_TYPE_SIMPLE_COLLECTION, NULL);
}
/**
* gcr_simple_collection_add:
* @self: The collection
* @object: The object to add
*
* Add an object to this collection
*/
void
gcr_simple_collection_add (GcrSimpleCollection *self, GObject *object)
{
g_return_if_fail (GCR_IS_SIMPLE_COLLECTION (self));
g_return_if_fail (G_IS_OBJECT (object));
g_return_if_fail (!g_hash_table_lookup (self->pv->items, object));
g_hash_table_insert (self->pv->items, g_object_ref (object), UNUSED_VALUE);
gcr_collection_emit_added (GCR_COLLECTION (self), object);
}
/**
* gcr_simple_collection_remove:
* @self: The collection
* @object: The object to remove from the collection
*
* Remove an object from the collection.
*/
void
gcr_simple_collection_remove (GcrSimpleCollection *self, GObject *object)
{
g_return_if_fail (GCR_IS_SIMPLE_COLLECTION (self));
g_return_if_fail (G_IS_OBJECT (object));
g_return_if_fail (g_hash_table_lookup (self->pv->items, object));
g_object_ref (object);
g_hash_table_remove (self->pv->items, object);
gcr_collection_emit_removed (GCR_COLLECTION (self), object);
g_object_unref (object);
}
/**
* gcr_simple_collection_contains:
* @self: The collection
* @object: The object to check
*
* Check if the collection contains a certain object.
*
* Deprecated: use gcr_collection_contains() instead
*
* Returns: %TRUE if the collection contains the object.
*/
gboolean
gcr_simple_collection_contains (GcrSimpleCollection *self, GObject *object)
{
g_return_val_if_fail (GCR_IS_SIMPLE_COLLECTION (self), FALSE);
g_return_val_if_fail (G_IS_OBJECT (object), FALSE);
return gcr_collection_contains (GCR_COLLECTION (self), object);
}
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