libpurple/purplescheduler.h

changeset 43293
f5d33dbc18a9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libpurple/purplescheduler.h	Thu Jul 24 23:35:13 2025 -0500
@@ -0,0 +1,185 @@
+/*
+ * Purple - Internet Messaging Library
+ * Copyright (C) Pidgin Developers <devel@pidgin.im>
+ *
+ * Purple is the legal property of its developers, whose names are too numerous
+ * to list here. Please refer to the COPYRIGHT file distributed with this
+ * source distribution.
+ *
+ * This library 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 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 General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this library; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined(PURPLE_GLOBAL_HEADER_INSIDE) && !defined(PURPLE_COMPILATION)
+# error "only <purple.h> may be included directly"
+#endif
+
+#ifndef PURPLE_SCHEDULER_H
+#define PURPLE_SCHEDULER_H
+
+#include <glib.h>
+#include <glib-object.h>
+
+#include "purplescheduledtask.h"
+#include "purpleversion.h"
+
+G_BEGIN_DECLS
+
+#define PURPLE_SCHEDULER_ERROR purple_scheduler_error_quark()
+
+/**
+ * PurpleSchedulerError:
+ * @PURPLE_SCHEDULER_ERROR_TASK_EXISTS: the task has already been added to the
+ *  scheduler
+ * @PURPLE_SCHEDULER_ERROR_FAILED_TO_SCHEDULE: the task failed to schedule for
+ *  an unknown reason
+ *
+ * Error codes returned by the scheduler.
+ *
+ * Since: 3.0
+ */
+typedef enum {
+	PURPLE_SCHEDULER_ERROR_TASK_EXISTS PURPLE_AVAILABLE_ENUMERATOR_IN_3_0,
+	PURPLE_SCHEDULER_ERROR_FAILED_TO_SCHEDULE PURPLE_AVAILABLE_ENUMERATOR_IN_3_0,
+} PurpleSchedulerError;
+
+/**
+ * purple_scheduler_error_quark:
+ *
+ * The error domain to identify errors with the scheduler.
+ *
+ * Returns: The error domain.
+ *
+ * Since: 3.0
+ */
+PURPLE_AVAILABLE_IN_3_0
+GQuark purple_scheduler_error_quark(void);
+
+/**
+ * PurpleScheduler:
+ *
+ * An object that manages a collection of [class@ScheduledTask].
+ *
+ * Since: 3.0
+ */
+
+#define PURPLE_TYPE_SCHEDULER (purple_scheduler_get_type())
+
+PURPLE_AVAILABLE_IN_3_0
+G_DECLARE_FINAL_TYPE(PurpleScheduler, purple_scheduler, PURPLE, SCHEDULER,
+                     GObject)
+
+/**
+ * purple_scheduler_add_task:
+ * @task: (transfer none): the task to add
+ * @execute_at: (transfer none): the date time for when the task should be
+ *              executed.
+ * @error: (out) (nullable): a return address for a #GError
+ *
+ * Adds a new task to the scheduler.
+ *
+ * If the task has already been added, false will be returned and @error will
+ * be set.
+ *
+ * If @task is already scheduled, it will be rescheduled to run at @execute_at.
+ *
+ * Returns: true if the task was added successfully.
+ *
+ * Since: 3.0
+ */
+PURPLE_AVAILABLE_IN_3_0
+gboolean purple_scheduler_add_task(PurpleScheduler *scheduler, PurpleScheduledTask *task, GDateTime *execute_at, GError **error);
+
+/**
+ * purple_scheduler_add_task_relative:
+ * @task: (transfer none): the task to add
+ * @when: the relative time from now to execute the task
+ * @error: (out) (nullable): a return address for a #GError
+ *
+ * Adds a new task to the scheduler.
+ *
+ * If the task has already been added, false will be returned and @error will
+ * be set.
+ *
+ * If @task is already scheduled, it will be rescheduled to run at @when.
+ *
+ * This is a wrapper around [method@Scheduler.add_task] that will add @when to
+ * the current time for you.
+ *
+ * Returns: true if the task was added successfully.
+ *
+ * Since: 3.0
+ */
+PURPLE_AVAILABLE_IN_3_0
+gboolean purple_scheduler_add_task_relative(PurpleScheduler *scheduler, PurpleScheduledTask *task, GTimeSpan when, GError **error);
+
+/**
+ * purple_scheduler_get_default:
+ *
+ * Gets the default scheduler.
+ *
+ * This can return %NULL if libpurple has not been initialized.
+ *
+ * Returns: (transfer none) (nullable): The default scheduler.
+ *
+ * Since: 3.0
+ */
+PURPLE_AVAILABLE_IN_3_0
+PurpleScheduler *purple_scheduler_get_default(void);
+
+/**
+ * purple_scheduler_get_default_as_model:
+ *
+ * Gets the default scheduler cast to a [iface@Gio.ListModel].
+ *
+ * This can return %NULL if libpurple has not been initialized.
+ *
+ * Returns: (transfer none) (nullable): The default scheduler as a list model.
+ *
+ * Since: 3.0
+ */
+PURPLE_AVAILABLE_IN_3_0
+GListModel *purple_scheduler_get_default_as_model(void);
+
+/**
+ * purple_scheduler_new:
+ *
+ * Creates a new scheduler.
+ *
+ * This is typically only used internally but may be useful to others.
+ *
+ * Returns: (transfer full): The new instance.
+ *
+ * Since: 3.0
+ */
+PURPLE_AVAILABLE_IN_3_0
+PurpleScheduler *purple_scheduler_new(void);
+
+/**
+ * purple_scheduler_remove_task:
+ * @id: the id of the task
+ *
+ * Removes a task from the scheduler.
+ *
+ * If the task is found and currently scheduled, it will be cancelled.
+ *
+ * Returns: true if the task was found and removed.
+ *
+ * Since: 3.0
+ */
+PURPLE_AVAILABLE_IN_3_0
+gboolean purple_scheduler_remove_task(PurpleScheduler *scheduler, const char *id);
+
+G_END_DECLS
+
+#endif /* PURPLE_SCHEDULER_H */

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