Import Upstream version 2.72.4

2023-07-04 11:23:22 +02:00 · 2023-07-04 11:23:22 +02:00 · 4ef3ff9793
commit 4ef3ff9793
2003 changed files with 1332420 additions and 0 deletions
--- a/gio/gmemorymonitorportal.c
+++ b/gio/gmemorymonitorportal.c
@ -0,0 +1,152 @@
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright 2019 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include "gmemorymonitor.h"
+#include "gmemorymonitorportal.h"
+#include "ginitable.h"
+#include "giomodule-priv.h"
+#include "xdp-dbus.h"
+#include "gportalsupport.h"
+
+#define G_MEMORY_MONITOR_PORTAL_GET_INITABLE_IFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), G_TYPE_INITABLE, GInitable))
+
+static void g_memory_monitor_portal_iface_init (GMemoryMonitorInterface *iface);
+static void g_memory_monitor_portal_initable_iface_init (GInitableIface *iface);
+
+struct _GMemoryMonitorPortal
+{
+  GObject parent_instance;
+
+  GDBusProxy *proxy;
+  gulong signal_id;
+};
+
+G_DEFINE_TYPE_WITH_CODE (GMemoryMonitorPortal, g_memory_monitor_portal, G_TYPE_OBJECT,
+                         G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
+                                                g_memory_monitor_portal_initable_iface_init)
+                         G_IMPLEMENT_INTERFACE (G_TYPE_MEMORY_MONITOR,
+                                                g_memory_monitor_portal_iface_init)
+                         _g_io_modules_ensure_extension_points_registered ();
+                         g_io_extension_point_implement (G_MEMORY_MONITOR_EXTENSION_POINT_NAME,
+                                                         g_define_type_id,
+                                                         "portal",
+                                                         40))
+
+static void
+g_memory_monitor_portal_init (GMemoryMonitorPortal *portal)
+{
+}
+
+static void
+proxy_signal (GDBusProxy            *proxy,
+              const char            *sender,
+              const char            *signal,
+              GVariant              *parameters,
+              GMemoryMonitorPortal *portal)
+{
+  guint8 level;
+
+  if (strcmp (signal, "LowMemoryWarning") != 0)
+    return;
+  if (!parameters)
+    return;
+
+  g_variant_get (parameters, "(y)", &level);
+  g_signal_emit_by_name (portal, "low-memory-warning", level);
+}
+
+static gboolean
+g_memory_monitor_portal_initable_init (GInitable     *initable,
+                                        GCancellable  *cancellable,
+                                        GError       **error)
+{
+  GMemoryMonitorPortal *portal = G_MEMORY_MONITOR_PORTAL (initable);
+  GDBusProxy *proxy;
+  gchar *name_owner = NULL;
+
+  if (!glib_should_use_portal ())
+    {
+      g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Not using portals");
+      return FALSE;
+    }
+
+  proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+                                         G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES,
+                                         NULL,
+                                         "org.freedesktop.portal.Desktop",
+                                         "/org/freedesktop/portal/desktop",
+                                         "org.freedesktop.portal.MemoryMonitor",
+                                         cancellable,
+                                         error);
+  if (!proxy)
+    return FALSE;
+
+  name_owner = g_dbus_proxy_get_name_owner (proxy);
+
+  if (name_owner == NULL)
+    {
+      g_object_unref (proxy);
+      g_set_error (error,
+                   G_DBUS_ERROR,
+                   G_DBUS_ERROR_NAME_HAS_NO_OWNER,
+                   "Desktop portal not found");
+      return FALSE;
+    }
+
+  g_free (name_owner);
+
+  portal->signal_id = g_signal_connect (proxy, "g-signal",
+                                        G_CALLBACK (proxy_signal), portal);
+
+  portal->proxy = proxy;
+
+  return TRUE;
+}
+
+static void
+g_memory_monitor_portal_finalize (GObject *object)
+{
+  GMemoryMonitorPortal *portal = G_MEMORY_MONITOR_PORTAL (object);
+
+  if (portal->proxy != NULL)
+    g_clear_signal_handler (&portal->signal_id, portal->proxy);
+  g_clear_object (&portal->proxy);
+
+  G_OBJECT_CLASS (g_memory_monitor_portal_parent_class)->finalize (object);
+}
+
+static void
+g_memory_monitor_portal_class_init (GMemoryMonitorPortalClass *nl_class)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (nl_class);
+
+  gobject_class->finalize  = g_memory_monitor_portal_finalize;
+}
+
+static void
+g_memory_monitor_portal_iface_init (GMemoryMonitorInterface *monitor_iface)
+{
+}
+
+static void
+g_memory_monitor_portal_initable_iface_init (GInitableIface *iface)
+{
+  iface->init = g_memory_monitor_portal_initable_init;
+}