115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
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/* ide-object-notify.c
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*
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* Copyright 2018-2019 Christian Hergert <chergert@redhat.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 "ide-object-notify"
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#include "config.h"
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#include "ide-object.h"
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#include "ide-macros.h"
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typedef struct
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{
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GObject *object;
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GParamSpec *pspec;
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} NotifyInMain;
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static gboolean
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ide_object_notify_in_main_cb (gpointer data)
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{
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NotifyInMain *notify = data;
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g_assert (notify != NULL);
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g_assert (G_IS_OBJECT (notify->object));
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g_assert (notify->pspec != NULL);
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g_object_notify_by_pspec (notify->object, notify->pspec);
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g_object_unref (notify->object);
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g_param_spec_unref (notify->pspec);
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g_slice_free (NotifyInMain, notify);
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return G_SOURCE_REMOVE;
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}
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/**
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* ide_object_notify_by_pspec:
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* @instance: a #IdeObjectNotify
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* @pspec: a #GParamSpec
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*
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* Like g_object_notify_by_pspec() if the caller is in the main-thread.
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* Otherwise, the request is deferred to the main thread.
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*
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* Since: 3.32
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*/
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void
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ide_object_notify_by_pspec (gpointer instance,
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GParamSpec *pspec)
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{
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NotifyInMain *notify;
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g_return_if_fail (G_IS_OBJECT (instance));
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g_return_if_fail (G_IS_PARAM_SPEC (pspec));
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if G_LIKELY (IDE_IS_MAIN_THREAD ())
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{
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g_object_notify_by_pspec (instance, pspec);
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return;
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}
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notify = g_slice_new0 (NotifyInMain);
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notify->pspec = g_param_spec_ref (pspec);
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notify->object = g_object_ref (instance);
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g_timeout_add (0, ide_object_notify_in_main_cb, g_steal_pointer (¬ify));
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}
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/**
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* ide_object_notify_in_main:
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* @instance: (type GObject.Object): a #GObject
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* @pspec: a #GParamSpec
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*
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* This helper will perform a g_object_notify_by_pspec() with the
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* added requirement that it is run from the applications main thread.
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*
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* You may want to do this when modifying state from a thread, but only
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* notify from the Gtk+ thread.
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*
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* This will *always* return to the default main context, and never
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* emit ::notify immediately.
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*
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* Since: 3.32
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*/
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void
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ide_object_notify_in_main (gpointer instance,
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GParamSpec *pspec)
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{
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NotifyInMain *notify;
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g_return_if_fail (G_IS_OBJECT (instance));
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g_return_if_fail (G_IS_PARAM_SPEC (pspec));
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notify = g_slice_new0 (NotifyInMain);
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notify->pspec = g_param_spec_ref (pspec);
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notify->object = g_object_ref (instance);
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g_timeout_add (0, ide_object_notify_in_main_cb, g_steal_pointer (¬ify));
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}
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