Introduce GcalEventList
This is a GListModel implementation that is specific to GcalEvents. Events are stored in a GSequence in order of date. Add a couple of tests exercising additions and removals. WIP: add more tests Part-of: <https://gitlab.gnome.org/GNOME/gnome-calendar/-/merge_requests/742>
This commit is contained in:
Georges Basile Stavracas Neto
committed by
Marge Bot
Marge Bot
parent
4796330de0
commit
6da43e9353
@@ -0,0 +1,326 @@
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/*
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* gcal-event-list.c
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*
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* Copyright 2025 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#define G_LOG_DOMAIN "GcalEventList"
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#include "gcal-event.h"
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#include "gcal-event-list.h"
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#include <gio/gio.h>
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struct _GcalEventList
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{
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GObject parent_instance;
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GSequence *events;
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GHashTable *event_to_iter;
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GHashTable *uid_to_iter;
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guint n_events;
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/* cache */
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guint last_position;
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GSequenceIter *last_iter;
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gboolean last_position_valid;
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};
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static void g_list_model_interface_init (GListModelInterface *iface);
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G_DEFINE_FINAL_TYPE_WITH_CODE (GcalEventList, gcal_event_list, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (G_TYPE_LIST_MODEL, g_list_model_interface_init))
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/*
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* Auxiliary functions
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*/
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static void
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gcal_event_list_items_changed (GcalEventList *self,
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guint position,
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guint removed,
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guint added)
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{
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/* check if the iter cache may have been invalidated */
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if (position <= self->last_position)
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{
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self->last_iter = NULL;
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self->last_position = 0;
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self->last_position_valid = FALSE;
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}
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g_list_model_items_changed (G_LIST_MODEL (self), position, removed, added);
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}
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/*
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* GListModel interface
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*/
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static GType
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gcal_event_list_get_item_type (GListModel *model G_GNUC_UNUSED)
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{
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return GCAL_TYPE_EVENT;
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}
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static guint
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gcal_event_list_get_n_items (GListModel *model)
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{
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GcalEventList *self = (GcalEventList *) model;
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g_assert (GCAL_IS_EVENT_LIST (self));
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return g_hash_table_size (self->event_to_iter);
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}
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static gpointer
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gcal_event_list_get_item (GListModel *model,
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guint position)
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{
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GcalEventList *self = (GcalEventList *) model;
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GSequenceIter *it = NULL;
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g_assert (GCAL_IS_EVENT_LIST (self));
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if (self->last_position_valid)
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{
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if (position < G_MAXUINT && self->last_position == position + 1)
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it = g_sequence_iter_prev (self->last_iter);
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else if (position > 0 && self->last_position == position - 1)
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it = g_sequence_iter_next (self->last_iter);
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else if (self->last_position == position)
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it = self->last_iter;
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}
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if (it == NULL)
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it = g_sequence_get_iter_at_pos (self->events, position);
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self->last_iter = it;
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self->last_position = position;
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self->last_position_valid = TRUE;
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if (g_sequence_iter_is_end (it))
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return NULL;
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else
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return g_object_ref (g_sequence_get (it));
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}
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static void
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g_list_model_interface_init (GListModelInterface *iface)
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{
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iface->get_item_type = gcal_event_list_get_item_type;
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iface->get_n_items = gcal_event_list_get_n_items;
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iface->get_item = gcal_event_list_get_item;
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}
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/*
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* GObject overrides
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*/
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static void
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gcal_event_list_finalize (GObject *object)
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{
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GcalEventList *self = (GcalEventList *)object;
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g_clear_pointer (&self->event_to_iter, g_hash_table_destroy);
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g_clear_pointer (&self->events, g_sequence_free);
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G_OBJECT_CLASS (gcal_event_list_parent_class)->finalize (object);
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}
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static void
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gcal_event_list_class_init (GcalEventListClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gcal_event_list_finalize;
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}
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static void
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gcal_event_list_init (GcalEventList *self)
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{
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self->events = g_sequence_new (g_object_unref);
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self->event_to_iter = g_hash_table_new (g_direct_hash, g_direct_equal);
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}
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/**
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* gcal_event_list_new:
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*
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*/
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GcalEventList *
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gcal_event_list_new (void)
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{
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return g_object_new (GCAL_TYPE_EVENT_LIST, NULL);
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}
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/**
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* gcal_event_list_add_event:
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*
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* Adds @event to the list. A reference is taken.
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* If @event is already part of the list, nothing
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* happens.
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*/
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void
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gcal_event_list_add_event (GcalEventList *self,
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GcalEvent *event)
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{
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GcalEvent *events[2] = { };
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g_assert (GCAL_IS_EVENT_LIST (self));
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g_assert (GCAL_IS_EVENT (event));
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events[0] = event;
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events[1] = NULL;
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gcal_event_list_add_events (self, events);
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}
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/**
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* gcal_event_list_add_events:
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* @events: a NULL-terminated list of events
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*
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* Adds @events to the list. A reference is taken.
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* Events that are already part of the list are
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* ignored.
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*/
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void
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gcal_event_list_add_events (GcalEventList *self,
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GcalEvent **events)
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{
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unsigned int position = 0;
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unsigned int n_added = 0;
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g_assert (GCAL_IS_EVENT_LIST (self));
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g_assert (events != NULL);
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position = g_hash_table_size (self->event_to_iter);
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for (gsize i = 0; events[i]; i++)
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{
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GSequenceIter *iter;
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if (g_hash_table_contains (self->event_to_iter, events[i]))
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continue;
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iter = g_sequence_append (self->events, g_object_ref (events[i]));
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g_hash_table_insert (self->event_to_iter, events[i], iter);
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n_added++;
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}
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if (n_added > 0)
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gcal_event_list_items_changed (self, position, 0, n_added);
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}
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/**
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* gcal_event_list_remove_event:
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*
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* Removes @event from the list. If the event is not part of
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* the list, nothing happens.
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*/
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void
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gcal_event_list_remove_event (GcalEventList *self,
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GcalEvent *event)
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{
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GcalEvent *events[2] = { };
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g_assert (GCAL_IS_EVENT_LIST (self));
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g_assert (GCAL_IS_EVENT (event));
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events[0] = event;
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events[1] = NULL;
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gcal_event_list_remove_events (self, events);
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}
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/**
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* gcal_event_list_remove_events:
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* @events: a NULL-terminated list of events
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*
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* Removes @events from the list. Events that are not part of
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* the list are ignored.
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*/
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void
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gcal_event_list_remove_events (GcalEventList *self,
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GcalEvent **events)
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{
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g_autoptr (GtkBitset) bitset = NULL;
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g_autoptr (GPtrArray) iters = NULL;
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g_assert (GCAL_IS_EVENT_LIST (self));
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g_assert (events != NULL);
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bitset = gtk_bitset_new_empty ();
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iters = g_ptr_array_new ();
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for (gsize i = 0; events[i]; i++)
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{
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GSequenceIter *iter = g_hash_table_lookup (self->event_to_iter, events[i]);
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if (!iter)
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continue;
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g_ptr_array_add (iters, iter);
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gtk_bitset_add (bitset, g_sequence_iter_get_position (iter));
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g_hash_table_remove (self->event_to_iter, events[i]);
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}
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for (gsize i = 0; i < iters->len; i++)
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{
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GSequenceIter *iter = g_ptr_array_index (iters, i);
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g_assert (iter != NULL);
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g_sequence_remove (iter);
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}
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if (!gtk_bitset_is_empty (bitset))
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{
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guint first = gtk_bitset_get_minimum (bitset);
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guint last = gtk_bitset_get_maximum (bitset);
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guint range_size = last - first + 1;
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guint n_removed = gtk_bitset_get_size_in_range (bitset, first, last);
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gcal_event_list_items_changed (self, first, range_size, range_size - n_removed);
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}
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}
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/**
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* gcal_event_list_remove_all_events:
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*
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* Removes all events from the list.
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*/
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void
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gcal_event_list_remove_all_events (GcalEventList *self)
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{
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unsigned int n_removed = 0;
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g_assert (GCAL_IS_EVENT_LIST (self));
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n_removed = g_hash_table_size (self->event_to_iter);
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g_hash_table_remove_all (self->event_to_iter);
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g_sequence_remove_range (g_sequence_get_begin_iter (self->events),
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g_sequence_get_end_iter (self->events));
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if (n_removed > 0)
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gcal_event_list_items_changed (self, 0, n_removed, 0);
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}
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@@ -0,0 +1,44 @@
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/*
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* gcal-event-list.h
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*
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* Copyright 2026 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#pragma once
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#include "gcal-types.h"
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#include <glib-object.h>
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G_BEGIN_DECLS
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#define GCAL_TYPE_EVENT_LIST (gcal_event_list_get_type ())
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G_DECLARE_FINAL_TYPE (GcalEventList, gcal_event_list, GCAL, EVENT_LIST, GObject)
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GcalEventList *gcal_event_list_new (void);
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void gcal_event_list_add_event (GcalEventList *self,
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GcalEvent *event);
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void gcal_event_list_add_events (GcalEventList *self,
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GcalEvent **events);
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void gcal_event_list_remove_event (GcalEventList *self,
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GcalEvent *event);
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void gcal_event_list_remove_events (GcalEventList *self,
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GcalEvent **events);
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void gcal_event_list_remove_all_events (GcalEventList *self);
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G_END_DECLS
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@@ -6,6 +6,7 @@ sources += files(
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'gcal-clock.c',
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'gcal-clock.c',
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'gcal-context.c',
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'gcal-context.c',
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'gcal-event.c',
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'gcal-event.c',
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'gcal-event-list.c',
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'gcal-global.c',
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'gcal-global.c',
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'gcal-log.c',
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'gcal-log.c',
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'gcal-manager.c',
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'gcal-manager.c',
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@@ -35,6 +35,7 @@ tests = [
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'daylight-saving',
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'daylight-saving',
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'discoverer',
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'discoverer',
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'event',
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'event',
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'event-list',
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'internals',
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'internals',
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'range',
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'range',
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'range-tree',
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'range-tree',
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@@ -0,0 +1,251 @@
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/*
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* test-event-list.c
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*
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* Copyright 2026 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
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*
|
||||||
|
* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation, either version 3 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 General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*
|
||||||
|
* SPDX-License-Identifier: GPL-3.0-or-later
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <glib.h>
|
||||||
|
|
||||||
|
#include "gcal-event.h"
|
||||||
|
#include "gcal-event-list.h"
|
||||||
|
#include "gcal-stub-calendar.h"
|
||||||
|
#include "gcal-utils.h"
|
||||||
|
|
||||||
|
#define EVENT_STRING_FOR_DATE(dtstart,dtend) \
|
||||||
|
"BEGIN:VEVENT\n" \
|
||||||
|
"SUMMARY:Stub event\n" \
|
||||||
|
"UID:example@uid\n" \
|
||||||
|
"DTSTAMP:19970114T170000Z\n" \
|
||||||
|
"DTSTART"dtstart"\n" \
|
||||||
|
"DTEND"dtend"\n" \
|
||||||
|
"END:VEVENT\n"
|
||||||
|
|
||||||
|
#define EVENT_STRING_FOR_DATE_START(dtstart) \
|
||||||
|
EVENT_STRING_FOR_DATE(dtstart, ":20260715T035959Z")
|
||||||
|
|
||||||
|
#define EVENT_STRING_FOR_DATE_END(dtend) \
|
||||||
|
EVENT_STRING_FOR_DATE(":19970101T170000Z", dtend)
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Auxiliary methods
|
||||||
|
*/
|
||||||
|
|
||||||
|
static GcalEvent*
|
||||||
|
create_event_for_string (const gchar *string,
|
||||||
|
GError **error)
|
||||||
|
{
|
||||||
|
g_autoptr (ECalComponent) component = NULL;
|
||||||
|
g_autoptr (GcalCalendar) calendar = NULL;
|
||||||
|
|
||||||
|
component = e_cal_component_new_from_string (string);
|
||||||
|
calendar = gcal_stub_calendar_new (NULL, error);
|
||||||
|
|
||||||
|
return component ? gcal_event_new (calendar, component, error) : NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*********************************************************************************************************************/
|
||||||
|
|
||||||
|
static void
|
||||||
|
event_list_new (void)
|
||||||
|
{
|
||||||
|
g_autoptr (GcalEventList) event_list = NULL;
|
||||||
|
|
||||||
|
event_list = gcal_event_list_new ();
|
||||||
|
g_assert_true (GCAL_IS_EVENT_LIST (event_list));
|
||||||
|
}
|
||||||
|
|
||||||
|
/*********************************************************************************************************************/
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
guint n_items_changed;
|
||||||
|
guint position;
|
||||||
|
guint added;
|
||||||
|
guint removed;
|
||||||
|
} AddEventsHelper;
|
||||||
|
|
||||||
|
static void
|
||||||
|
items_changed_cb (GListModel *model,
|
||||||
|
guint position,
|
||||||
|
guint removed,
|
||||||
|
guint added,
|
||||||
|
gpointer user_data)
|
||||||
|
{
|
||||||
|
AddEventsHelper *helper = user_data;
|
||||||
|
|
||||||
|
helper->n_items_changed++;
|
||||||
|
helper->position = position;
|
||||||
|
helper->removed = removed;
|
||||||
|
helper->added = added;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
event_list_add_events (void)
|
||||||
|
{
|
||||||
|
g_autoptr (GcalEventList) event_list = NULL;
|
||||||
|
g_autoptr (GPtrArray) events = NULL;
|
||||||
|
AddEventsHelper helper = { };
|
||||||
|
|
||||||
|
const gchar * const event_strings[] = {
|
||||||
|
EVENT_STRING_FOR_DATE (":20260331T000000Z", ":20260331T030000Z"),
|
||||||
|
EVENT_STRING_FOR_DATE (":20260401T000000Z", ":20260401T030000Z"),
|
||||||
|
EVENT_STRING_FOR_DATE (":20260402T000000Z", ":20260403T030000Z"),
|
||||||
|
};
|
||||||
|
|
||||||
|
event_list = gcal_event_list_new ();
|
||||||
|
g_assert_true (GCAL_IS_EVENT_LIST (event_list));
|
||||||
|
|
||||||
|
events = g_ptr_array_new_null_terminated (G_N_ELEMENTS (event_strings), g_object_unref, TRUE);
|
||||||
|
for (gsize i = 0; i < G_N_ELEMENTS (event_strings); i++)
|
||||||
|
{
|
||||||
|
g_autoptr (GcalEvent) event = NULL;
|
||||||
|
g_autoptr (GError) error = NULL;
|
||||||
|
|
||||||
|
event = create_event_for_string (event_strings[i], &error);
|
||||||
|
|
||||||
|
g_assert_no_error (error);
|
||||||
|
|
||||||
|
g_ptr_array_add (events, g_steal_pointer (&event));
|
||||||
|
}
|
||||||
|
|
||||||
|
g_signal_connect (event_list, "items-changed", G_CALLBACK (items_changed_cb), &helper);
|
||||||
|
gcal_event_list_add_events (event_list, (GcalEvent **) events->pdata);
|
||||||
|
|
||||||
|
g_assert_cmpuint (helper.n_items_changed, ==, 1);
|
||||||
|
g_assert_cmpuint (helper.position, ==, 0);
|
||||||
|
g_assert_cmpuint (helper.removed, ==, 0);
|
||||||
|
g_assert_cmpuint (helper.added, ==, 3);
|
||||||
|
g_assert_cmpuint (g_list_model_get_n_items (G_LIST_MODEL (event_list)), ==, 3);
|
||||||
|
|
||||||
|
for (guint i = 0; i < g_list_model_get_n_items (G_LIST_MODEL (event_list)); i++)
|
||||||
|
{
|
||||||
|
g_autoptr (GcalEvent) event = g_list_model_get_item (G_LIST_MODEL (event_list), i);
|
||||||
|
|
||||||
|
g_assert_true (event == g_ptr_array_index (events, i));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/*********************************************************************************************************************/
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
guint n_items_changed;
|
||||||
|
guint position;
|
||||||
|
guint added;
|
||||||
|
guint removed;
|
||||||
|
} RemoveEventsHelper;
|
||||||
|
|
||||||
|
static void
|
||||||
|
event_list_remove_events_items_changed_cb (GListModel *model,
|
||||||
|
guint position,
|
||||||
|
guint removed,
|
||||||
|
guint added,
|
||||||
|
gpointer user_data)
|
||||||
|
{
|
||||||
|
RemoveEventsHelper *helper = user_data;
|
||||||
|
|
||||||
|
helper->n_items_changed++;
|
||||||
|
helper->position = position;
|
||||||
|
helper->removed = removed;
|
||||||
|
helper->added = added;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
event_list_remove_events (void)
|
||||||
|
{
|
||||||
|
g_autoptr (GcalEventList) event_list = NULL;
|
||||||
|
g_autoptr (GPtrArray) events = NULL;
|
||||||
|
RemoveEventsHelper helper = { };
|
||||||
|
|
||||||
|
const gchar * const event_strings[] = {
|
||||||
|
EVENT_STRING_FOR_DATE (":20260331T000000Z", ":20260331T030000Z"),
|
||||||
|
EVENT_STRING_FOR_DATE (":20260401T000000Z", ":20260401T030000Z"),
|
||||||
|
EVENT_STRING_FOR_DATE (":20260402T000000Z", ":20260403T030000Z"),
|
||||||
|
};
|
||||||
|
|
||||||
|
event_list = gcal_event_list_new ();
|
||||||
|
g_assert_true (GCAL_IS_EVENT_LIST (event_list));
|
||||||
|
|
||||||
|
events = g_ptr_array_new_null_terminated (G_N_ELEMENTS (event_strings), g_object_unref, TRUE);
|
||||||
|
for (gsize i = 0; i < G_N_ELEMENTS (event_strings); i++)
|
||||||
|
{
|
||||||
|
g_autoptr (GcalEvent) event = NULL;
|
||||||
|
g_autoptr (GError) error = NULL;
|
||||||
|
|
||||||
|
event = create_event_for_string (event_strings[i], &error);
|
||||||
|
|
||||||
|
g_assert_no_error (error);
|
||||||
|
|
||||||
|
g_ptr_array_add (events, g_steal_pointer (&event));
|
||||||
|
}
|
||||||
|
|
||||||
|
g_signal_connect (event_list,
|
||||||
|
"items-changed",
|
||||||
|
G_CALLBACK (event_list_remove_events_items_changed_cb),
|
||||||
|
&helper);
|
||||||
|
|
||||||
|
gcal_event_list_add_events (event_list, (GcalEvent **) events->pdata);
|
||||||
|
|
||||||
|
g_assert_cmpuint (helper.n_items_changed, ==, 1);
|
||||||
|
g_assert_cmpuint (helper.position, ==, 0);
|
||||||
|
g_assert_cmpuint (helper.removed, ==, 0);
|
||||||
|
g_assert_cmpuint (helper.added, ==, 3);
|
||||||
|
g_assert_cmpuint (g_list_model_get_n_items (G_LIST_MODEL (event_list)), ==, 3);
|
||||||
|
|
||||||
|
for (guint i = 0; i < g_list_model_get_n_items (G_LIST_MODEL (event_list)); i++)
|
||||||
|
{
|
||||||
|
g_autoptr (GcalEvent) event = g_list_model_get_item (G_LIST_MODEL (event_list), i);
|
||||||
|
|
||||||
|
g_assert_true (event == g_ptr_array_index (events, i));
|
||||||
|
}
|
||||||
|
|
||||||
|
helper = (RemoveEventsHelper) { };
|
||||||
|
|
||||||
|
gcal_event_list_remove_events (event_list, (GcalEvent **) events->pdata);
|
||||||
|
g_assert_cmpuint (helper.n_items_changed, ==, 1);
|
||||||
|
g_assert_cmpuint (helper.position, ==, 0);
|
||||||
|
g_assert_cmpuint (helper.removed, ==, 3);
|
||||||
|
g_assert_cmpuint (helper.added, ==, 0);
|
||||||
|
g_assert_cmpuint (g_list_model_get_n_items (G_LIST_MODEL (event_list)), ==, 0);
|
||||||
|
|
||||||
|
|
||||||
|
/* Remove again. These events are not in the list anymore. Nothing should happen */
|
||||||
|
helper = (RemoveEventsHelper) { };
|
||||||
|
|
||||||
|
gcal_event_list_remove_events (event_list, (GcalEvent **) events->pdata);
|
||||||
|
g_assert_cmpuint (helper.n_items_changed, ==, 0);
|
||||||
|
g_assert_cmpuint (helper.position, ==, 0);
|
||||||
|
g_assert_cmpuint (helper.removed, ==, 0);
|
||||||
|
g_assert_cmpuint (helper.added, ==, 0);
|
||||||
|
g_assert_cmpuint (g_list_model_get_n_items (G_LIST_MODEL (event_list)), ==, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*********************************************************************************************************************/
|
||||||
|
|
||||||
|
gint
|
||||||
|
main (gint argc,
|
||||||
|
gchar *argv[])
|
||||||
|
{
|
||||||
|
g_setenv ("TZ", "UTC", TRUE);
|
||||||
|
|
||||||
|
g_test_init (&argc, &argv, NULL);
|
||||||
|
|
||||||
|
g_test_add_func ("/event-list/new", event_list_new);
|
||||||
|
g_test_add_func ("/event-list/add-events", event_list_add_events);
|
||||||
|
g_test_add_func ("/event-list/remove-events", event_list_remove_events);
|
||||||
|
|
||||||
|
return g_test_run ();
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user