[gnome-shell] shell/tray-manager: Only create resources when needed
- From: Florian MĂźllner <fmuellner src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-shell] shell/tray-manager: Only create resources when needed
- Date: Fri, 6 Mar 2020 18:50:02 +0000 (UTC)
commit 07bbcb1b4805510b3dc7ab4df507ae878407b762
Author: Florian MĂźllner <fmuellner gnome org>
Date: Wed Mar 4 23:12:29 2020 +0100
shell/tray-manager: Only create resources when needed
NaTrayManager in particular is deeply tied to X11. We currently assume
that X11 support is always available, but that is already not true
anymore - Xwayland startup is now asynchronous.
It will be even less true once we handle Xwayland crashes gracefully.
Start addressing that by not creating the corresponding resources once
and assume they exist for the lifetime of Shell.TrayManager, but make
sure they exist when actually needed.
https://gitlab.gnome.org/GNOME/gnome-shell/issues/2308
src/shell-tray-manager.c | 40 +++++++++++++++++++++++++++++-----------
1 file changed, 29 insertions(+), 11 deletions(-)
---
diff --git a/src/shell-tray-manager.c b/src/shell-tray-manager.c
index 6503cc3c45..269682bcff 100644
--- a/src/shell-tray-manager.c
+++ b/src/shell-tray-manager.c
@@ -58,6 +58,8 @@ static guint shell_tray_manager_signals [LAST_SIGNAL] = { 0 };
static const ClutterColor default_color = { 0x00, 0x00, 0x00, 0xff };
+static void shell_tray_manager_release_resources (ShellTrayManager *manager);
+
static void na_tray_icon_added (NaTrayManager *na_manager, GtkWidget *child, gpointer manager);
static void na_tray_icon_removed (NaTrayManager *na_manager, GtkWidget *child, gpointer manager);
@@ -125,16 +127,7 @@ shell_tray_manager_init (ShellTrayManager *manager)
{
manager->priv = shell_tray_manager_get_instance_private (manager);
- manager->priv->na_manager = na_tray_manager_new ();
-
- manager->priv->icons = g_hash_table_new_full (NULL, NULL,
- NULL, free_tray_icon);
manager->priv->bg_color = default_color;
-
- g_signal_connect (manager->priv->na_manager, "tray-icon-added",
- G_CALLBACK (na_tray_icon_added), manager);
- g_signal_connect (manager->priv->na_manager, "tray-icon-removed",
- G_CALLBACK (na_tray_icon_removed), manager);
}
static void
@@ -142,8 +135,7 @@ shell_tray_manager_finalize (GObject *object)
{
ShellTrayManager *manager = SHELL_TRAY_MANAGER (object);
- g_object_unref (manager->priv->na_manager);
- g_hash_table_destroy (manager->priv->icons);
+ shell_tray_manager_release_resources (manager);
G_OBJECT_CLASS (shell_tray_manager_parent_class)->finalize (object);
}
@@ -193,6 +185,30 @@ shell_tray_manager_new (void)
return g_object_new (SHELL_TYPE_TRAY_MANAGER, NULL);
}
+static void
+shell_tray_manager_ensure_resources (ShellTrayManager *manager)
+{
+ if (manager->priv->na_manager != NULL)
+ return;
+
+ manager->priv->icons = g_hash_table_new_full (NULL, NULL,
+ NULL, free_tray_icon);
+
+ manager->priv->na_manager = na_tray_manager_new ();
+
+ g_signal_connect (manager->priv->na_manager, "tray-icon-added",
+ G_CALLBACK (na_tray_icon_added), manager);
+ g_signal_connect (manager->priv->na_manager, "tray-icon-removed",
+ G_CALLBACK (na_tray_icon_removed), manager);
+}
+
+static void
+shell_tray_manager_release_resources (ShellTrayManager *manager)
+{
+ g_clear_object (&manager->priv->na_manager);
+ g_clear_pointer (&manager->priv->icons, g_hash_table_destroy);
+}
+
static void
shell_tray_manager_style_changed (StWidget *theme_widget,
gpointer user_data)
@@ -212,6 +228,8 @@ void
shell_tray_manager_manage_screen (ShellTrayManager *manager,
StWidget *theme_widget)
{
+ shell_tray_manager_ensure_resources (manager);
+
na_tray_manager_manage_screen (manager->priv->na_manager);
g_signal_connect_object (theme_widget, "style-changed",
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