diff options
Diffstat (limited to 'addressbook/backend/ebook/e-card-list-iterator.c')
| -rw-r--r-- | addressbook/backend/ebook/e-card-list-iterator.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/addressbook/backend/ebook/e-card-list-iterator.c b/addressbook/backend/ebook/e-card-list-iterator.c new file mode 100644 index 0000000000..e6d9a9c040 --- /dev/null +++ b/addressbook/backend/ebook/e-card-list-iterator.c @@ -0,0 +1,199 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* + * Authors: + * Christopher James Lahey <clahey@umich.edu> + * + * Copyright (C) 2000 Helix Code, Inc. + * Copyright (C) 1999 The Free Software Foundation + */ + +#include <config.h> +#include <gtk/gtk.h> + +#include <e-card-list-iterator.h> +#include <e-card-list.h> + +static void e_card_list_iterator_init (ECardListIterator *card); +static void e_card_list_iterator_class_init (ECardListIteratorClass *klass); + +static void e_card_list_iterator_invalidate (ECardIterator *iterator); +static gboolean e_card_list_iterator_is_valid (ECardIterator *iterator); +static void e_card_list_iterator_set (ECardIterator *iterator, + void *object); +static void e_card_list_iterator_delete (ECardIterator *iterator); +static gboolean e_card_list_iterator_prev (ECardIterator *iterator); +static gboolean e_card_list_iterator_next (ECardIterator *iterator); +static void e_card_list_iterator_reset (ECardIterator *iterator); +static void *e_card_list_iterator_get (ECardIterator *iterator); +static void e_card_list_iterator_destroy (GtkObject *object); + +#define PARENT_TYPE (e_card_iterator_get_type ()) + +static GtkObjectClass *parent_class; +#define PARENT_CLASS (E_CARD_LIST_ITERATOR_CLASS(parent_class)) + +/** + * e_card_list_iterator_get_type: + * @void: + * + * Registers the &ECardListIterator class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &ECardListIterator class. + **/ +GtkType +e_card_list_iterator_get_type (void) +{ + static GtkType type = 0; + + if (!type) { + GtkTypeInfo info = { + "ECardListIterator", + sizeof (ECardListIterator), + sizeof (ECardListIteratorClass), + (GtkClassInitFunc) e_card_list_iterator_class_init, + (GtkObjectInitFunc) e_card_list_iterator_init, + NULL, /* reserved_1 */ + NULL, /* reserved_2 */ + (GtkClassInitFunc) NULL + }; + + type = gtk_type_unique (PARENT_TYPE, &info); + } + + return type; +} + +static void +e_card_list_iterator_class_init (ECardListIteratorClass *klass) +{ + GtkObjectClass *object_class; + ECardIteratorClass *iterator_class; + + object_class = GTK_OBJECT_CLASS(klass); + iterator_class = E_CARD_ITERATOR_CLASS(klass); + + parent_class = gtk_type_class (PARENT_TYPE); + + object_class->destroy = e_card_list_iterator_destroy; + + iterator_class->invalidate = e_card_list_iterator_invalidate; + iterator_class->get = e_card_list_iterator_get; + iterator_class->reset = e_card_list_iterator_reset; + iterator_class->next = e_card_list_iterator_next; + iterator_class->prev = e_card_list_iterator_prev; + iterator_class->delete = e_card_list_iterator_delete; + iterator_class->set = e_card_list_iterator_set; + iterator_class->is_valid = e_card_list_iterator_is_valid; +} + + + +/** + * e_card_list_iterator_init: + */ +static void +e_card_list_iterator_init (ECardListIterator *card) +{ +} + +ECardIterator * +e_card_list_iterator_new (ECardList *list) +{ + ECardListIterator *iterator = gtk_type_new(e_card_list_iterator_get_type()); + + iterator->list = list; + gtk_object_ref(GTK_OBJECT(list)); + iterator->iterator = list->list; + + return E_CARD_ITERATOR(iterator); +} + +/* + * Virtual functions: + */ +static void +e_card_list_iterator_destroy (GtkObject *object) +{ + ECardListIterator *iterator = E_CARD_LIST_ITERATOR(object); + e_card_list_remove_iterator(iterator->list, E_CARD_ITERATOR(iterator)); + gtk_object_unref(GTK_OBJECT(iterator->list)); +} + +static void * +e_card_list_iterator_get (ECardIterator *_iterator) +{ + ECardListIterator *iterator = E_CARD_LIST_ITERATOR(_iterator); + if (iterator->iterator) + return iterator->iterator->data; + else + return NULL; +} + +static void +e_card_list_iterator_reset (ECardIterator *_iterator) +{ + ECardListIterator *iterator = E_CARD_LIST_ITERATOR(_iterator); + iterator->iterator = iterator->list->list; +} + +static gboolean +e_card_list_iterator_next (ECardIterator *_iterator) +{ + ECardListIterator *iterator = E_CARD_LIST_ITERATOR(_iterator); + if (iterator->iterator) + iterator->iterator = g_list_next(iterator->iterator); + return (iterator->iterator != NULL); +} + +static gboolean +e_card_list_iterator_prev (ECardIterator *_iterator) +{ + ECardListIterator *iterator = E_CARD_LIST_ITERATOR(_iterator); + if (iterator->iterator) + iterator->iterator = g_list_previous(iterator->iterator); + return (iterator->iterator != NULL); +} + +static void +e_card_list_iterator_delete (ECardIterator *_iterator) +{ + ECardListIterator *iterator = E_CARD_LIST_ITERATOR(_iterator); + if (iterator->iterator) { + GList *temp = iterator->iterator->next; + if (iterator->list->free) + iterator->list->free(iterator->iterator->data, iterator->list->closure); + iterator->list->list = g_list_remove_link(iterator->list->list, iterator->iterator); + iterator->iterator = temp; + e_card_list_invalidate_iterators(iterator->list, E_CARD_ITERATOR(iterator)); + } +} + +static void +e_card_list_iterator_set (ECardIterator *_iterator, + void *object) +{ + ECardListIterator *iterator = E_CARD_LIST_ITERATOR(_iterator); + if (iterator->iterator) { + if (iterator->list->free) + iterator->list->free(iterator->iterator->data, iterator->list->closure); + if (iterator->list->copy) + iterator->iterator->data = iterator->list->copy(object, iterator->list->closure); + else + iterator->iterator->data = object; + } +} + +static gboolean +e_card_list_iterator_is_valid (ECardIterator *_iterator) +{ + ECardListIterator *iterator = E_CARD_LIST_ITERATOR(_iterator); + return iterator->iterator != NULL; +} + +static void +e_card_list_iterator_invalidate (ECardIterator *_iterator) +{ + ECardListIterator *iterator = E_CARD_LIST_ITERATOR(_iterator); + iterator->iterator = NULL; +} |