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https://github.com/brl/mutter.git
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backend: add signals for reporting suspend and resume
This commit adds "suspending" and "resuming" signals to MetaBackend. It's preliminary work needed for tracking when to purge and recreate all textures (needed by nvidia).
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@@ -60,7 +60,8 @@ enum
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KEYMAP_CHANGED,
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KEYMAP_LAYOUT_GROUP_CHANGED,
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LAST_DEVICE_CHANGED,
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SUSPENDING,
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RESUMING,
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N_SIGNALS
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};
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@@ -550,6 +551,20 @@ meta_backend_class_init (MetaBackendClass *klass)
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0,
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NULL, NULL, NULL,
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G_TYPE_NONE, 1, G_TYPE_INT);
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signals[SUSPENDING] =
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g_signal_new ("suspending",
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G_TYPE_FROM_CLASS (object_class),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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signals[RESUMING] =
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g_signal_new ("resuming",
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G_TYPE_FROM_CLASS (object_class),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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mutter_stage_views = g_getenv ("MUTTER_STAGE_VIEWS");
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stage_views_disabled = g_strcmp0 (mutter_stage_views, "0") == 0;
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@@ -584,15 +599,53 @@ lid_is_closed_changed_cb (UpClient *client,
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meta_idle_monitor_reset_idletime (meta_idle_monitor_get_core ());
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}
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static void
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inhibit_sleep (MetaBackend *backend)
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{
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MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
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g_autoptr (GVariant) fd_variant = NULL;
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g_autoptr (GError) error = NULL;
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if (priv->inhibit_sleep_fd >= 0)
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return;
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if (!login1_manager_call_inhibit_sync (priv->logind_proxy,
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"sleep",
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"Display Server",
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"Prepare for suspend",
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"delay",
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&fd_variant,
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priv->cancellable,
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&error))
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{
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g_warning ("Failed to inhibit sleep: %s", error->message);
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return;
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}
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priv->inhibit_sleep_fd = g_variant_get_handle (fd_variant);
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}
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static void
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uninhibit_sleep (MetaBackend *backend)
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{
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MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
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close (priv->inhibit_sleep_fd);
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priv->inhibit_sleep_fd = -1;
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}
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static void
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prepare_for_sleep_cb (MetaBackend *backend,
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gboolean suspending)
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{
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gboolean suspending;
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g_variant_get (parameters, "(b)", &suspending);
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if (suspending)
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if (suspending) {
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g_signal_emit (backend, signals[SUSPENDING], 0);
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uninhibit_sleep (backend);
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return;
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}
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inhibit_sleep (backend);
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g_signal_emit (backend, signals[RESUMING], 0);
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meta_idle_monitor_reset_idletime (meta_idle_monitor_get_core ());
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}
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@@ -619,6 +672,7 @@ system_bus_gotten_cb (GObject *object,
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GAsyncResult *res,
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gpointer user_data)
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{
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MetaBackend *backend = META_BACKEND (user_data);
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MetaBackendPrivate *priv;
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g_autoptr (GError) error = NULL;
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GDBusConnection *bus;
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@@ -630,15 +684,21 @@ system_bus_gotten_cb (GObject *object,
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priv = meta_backend_get_instance_private (user_data);
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priv->system_bus = bus;
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priv->logind_proxy = get_logind_proxy (priv->cancellable, &error);
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priv->inhibit_sleep_fd = -1;
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if (!priv->logind_proxy)
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g_warning ("Failed to get logind proxy: %s", error->message);
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g_signal_connect_object (priv->logind_proxy,
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"prepare-for-sleep",
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G_CALLBACK (prepare_for_sleep_cb),
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user_data,
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G_CONNECT_SWAPPED);
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{
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g_warning ("Failed to get logind proxy: %s", error->message);
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}
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else
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{
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inhibit_sleep (backend);
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g_signal_connect_object (priv->logind_proxy,
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"prepare-for-sleep",
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G_CALLBACK (prepare_for_sleep_cb),
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user_data,
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G_CONNECT_SWAPPED);
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}
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}
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static gboolean
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