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icon-theme: Preload default icon themes in thread

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This happens when we first get the theme for a display, or then the
icon theme setting changes.

This means we don't have to do this scan in the first snapshot
and can do the i/o it in parallel with other stuff. This moves
a 10msec block from the first snapshot cycle to early setup.
This commit is contained in:
Alexander Larsson 2020-01-29 11:38:05 +01:00
parent ff3e022182
commit 6a8001fe7d
1 changed files with 33 additions and 1 deletions
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34
gtk/gtkicontheme.c
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@ -733,6 +733,30 @@ gtk_icon_theme_get_default (void)
return gtk_icon_theme_get_for_display (gdk_display_get_default ());
}
static void
load_theme_thread (GTask *task,
gpointer source_object,
gpointer task_data,
GCancellable *cancellable)
{
GtkIconTheme *self = GTK_ICON_THEME (source_object);
gtk_icon_theme_lock (self);
ensure_valid_themes (self, FALSE);
gtk_icon_theme_unlock (self);
g_task_return_pointer (task, NULL, NULL);
}
static void
gtk_icon_theme_load_in_thread (GtkIconTheme *self)
{
GTask *task;
task = g_task_new (self, NULL, NULL, NULL);
g_task_set_task_data (task, g_object_ref (self), g_object_unref);
g_task_run_in_thread (task, load_theme_thread);
}
/**
* gtk_icon_theme_get_for_display:
* @display: a #GdkDisplay
@ -767,6 +791,9 @@ gtk_icon_theme_get_for_display (GdkDisplay *display)
self->is_display_singleton = TRUE;
g_object_set_data (G_OBJECT (display), I_("gtk-icon-theme"), self);
/* Queue early read of the default themes, we read the icon theme name in _set_display(). */
gtk_icon_theme_load_in_thread (self);
}
return self;
@ -873,7 +900,12 @@ theme_changed__mainthread_unlocked (GtkSettings *settings,
GtkIconTheme *self = gtk_icon_theme_ref_aquire (ref);
if (self)
update_current_theme__mainthread (self);
{
update_current_theme__mainthread (self);
/* Queue early read of the new theme */
gtk_icon_theme_load_in_thread (self);
}
gtk_icon_theme_ref_release (ref);
}