From 9d1b39fa6a02985a613604826997f0d7b969a40d Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Fri, 6 Nov 2015 14:46:09 +0000 Subject: Fork libayatana-indicator from Ubuntu's libindicator shared library. --- libindicator/indicator-ng.c | 744 -------------------------------------------- 1 file changed, 744 deletions(-) delete mode 100644 libindicator/indicator-ng.c (limited to 'libindicator/indicator-ng.c') diff --git a/libindicator/indicator-ng.c b/libindicator/indicator-ng.c deleted file mode 100644 index d1d2854..0000000 --- a/libindicator/indicator-ng.c +++ /dev/null @@ -1,744 +0,0 @@ -/* - * Copyright 2013 Canonical Ltd. - * - * This program is free software: you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 3, as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranties of - * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR - * PURPOSE. See the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program. If not, see . - * - * Authors: - * Lars Uebernickel - */ - -#include "indicator-ng.h" -#include "indicator-image-helper.h" - -#include - -struct _IndicatorNg -{ - IndicatorObject parent; - - gchar *service_file; - gchar *name; - gchar *object_path; - gchar *menu_object_path; - gchar *bus_name; - gchar *profile; - gchar *header_action; - gchar *scroll_action; - gchar *secondary_action; - gchar *submenu_action; - gint position; - - guint name_watch_id; - - GDBusConnection *session_bus; - GActionGroup *actions; - GMenuModel *menu; - - IndicatorObjectEntry entry; - gchar *accessible_desc; - - gint64 last_service_restart; -}; - -static void indicator_ng_initable_iface_init (GInitableIface *initable); -G_DEFINE_TYPE_WITH_CODE (IndicatorNg, indicator_ng, INDICATOR_OBJECT_TYPE, - G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE, indicator_ng_initable_iface_init)) - -enum -{ - PROP_0, - PROP_SERVICE_FILE, - PROP_PROFILE, - N_PROPERTIES -}; - -static GParamSpec *properties[N_PROPERTIES]; - -static void -indicator_ng_get_property (GObject *object, - guint property_id, - GValue *value, - GParamSpec *pspec) -{ - IndicatorNg *self = INDICATOR_NG (object); - - switch (property_id) - { - case PROP_SERVICE_FILE: - g_value_set_string (value, self->service_file); - break; - - case PROP_PROFILE: - g_value_set_string (value, self->profile); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - } -} - -static void -indicator_ng_set_property (GObject *object, - guint property_id, - const GValue *value, - GParamSpec *pspec) -{ - IndicatorNg *self = INDICATOR_NG (object); - - switch (property_id) - { - case PROP_SERVICE_FILE: /* construct-only */ - self->service_file = g_strdup (g_value_get_string (value)); - break; - - case PROP_PROFILE: /* construct-only */ - self->profile = g_strdup (g_value_get_string (value)); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - } -} - -static void -indicator_ng_free_actions_and_menu (IndicatorNg *self) -{ - if (self->actions) - { - gtk_widget_insert_action_group (GTK_WIDGET (self->entry.menu), "indicator", NULL); - g_signal_handlers_disconnect_by_data (self->actions, self); - g_clear_object (&self->actions); - } - - if (self->menu) - { - g_signal_handlers_disconnect_by_data (self->menu, self); - g_clear_object (&self->menu); - } -} - -static void -indicator_ng_dispose (GObject *object) -{ - IndicatorNg *self = INDICATOR_NG (object); - - if (self->name_watch_id) - { - g_bus_unwatch_name (self->name_watch_id); - self->name_watch_id = 0; - } - - g_clear_object (&self->session_bus); - - indicator_ng_free_actions_and_menu (self); - - g_clear_object (&self->entry.label); - g_clear_object (&self->entry.image); - g_clear_object (&self->entry.menu); - - G_OBJECT_CLASS (indicator_ng_parent_class)->dispose (object); -} - -static void -indicator_ng_finalize (GObject *object) -{ - IndicatorNg *self = INDICATOR_NG (object); - - g_free (self->service_file); - g_free (self->name); - g_free (self->object_path); - g_free (self->menu_object_path); - g_free (self->bus_name); - g_free (self->accessible_desc); - g_free (self->header_action); - g_free (self->scroll_action); - g_free (self->secondary_action); - g_free (self->submenu_action); - - G_OBJECT_CLASS (indicator_ng_parent_class)->finalize (object); -} - -static GList * -indicator_ng_get_entries (IndicatorObject *io) -{ - IndicatorNg *self = INDICATOR_NG (io); - - return g_list_append (NULL, &self->entry); -} - -static gint -indicator_ng_get_position (IndicatorObject *io) -{ - IndicatorNg *self = INDICATOR_NG (io); - - return self->position; -} - -static void -indicator_ng_entry_scrolled (IndicatorObject *io, - IndicatorObjectEntry *entry, - gint delta, - IndicatorScrollDirection direction) -{ - IndicatorNg *self = INDICATOR_NG (io); - - if (self->actions && self->scroll_action) - { - if (direction == INDICATOR_OBJECT_SCROLL_DOWN || - direction == INDICATOR_OBJECT_SCROLL_LEFT) - { - delta *= -1; - } - - g_action_group_activate_action (self->actions, self->scroll_action, - g_variant_new_int32 (delta)); - } -} - -void -indicator_ng_secondary_activate (IndicatorObject *io, - IndicatorObjectEntry *entry, - guint timestamp, - gpointer user_data) -{ - IndicatorNg *self = INDICATOR_NG (io); - - if (self->actions && self->secondary_action) - { - g_action_group_activate_action (self->actions, self->secondary_action, NULL); - } -} - -static void -indicator_ng_menu_shown (GtkWidget *widget, - gpointer user_data) -{ - IndicatorNg *self = user_data; - - if (self->submenu_action) - g_action_group_change_action_state (self->actions, self->submenu_action, - g_variant_new_boolean (TRUE)); -} - -static void -indicator_ng_menu_hidden (GtkWidget *widget, - gpointer user_data) -{ - IndicatorNg *self = user_data; - - if (self->submenu_action) - g_action_group_change_action_state (self->actions, self->submenu_action, - g_variant_new_boolean (FALSE)); -} - -static void -indicator_ng_set_accessible_desc (IndicatorNg *self, - const gchar *accessible_desc) -{ - g_free (self->accessible_desc); - self->accessible_desc = g_strdup (accessible_desc); - - self->entry.accessible_desc = self->accessible_desc; - g_signal_emit_by_name (self, INDICATOR_OBJECT_SIGNAL_ACCESSIBLE_DESC_UPDATE, &self->entry); -} - -static void -indicator_ng_set_icon_from_variant (IndicatorNg *self, - GVariant *variant) -{ - GIcon *icon; - - if (variant == NULL) - { - if (self->entry.image) - { - gtk_image_clear (self->entry.image); - gtk_widget_hide (GTK_WIDGET (self->entry.image)); - } - return; - } - - gtk_widget_show (GTK_WIDGET (self->entry.image)); - - icon = g_icon_deserialize (variant); - if (icon) - { - indicator_image_helper_update_from_gicon (self->entry.image, icon); - g_object_unref (icon); - } - else - { - gchar *text = g_variant_print (variant, TRUE); - g_warning ("invalid icon variant '%s'", text); - gtk_image_set_from_icon_name (self->entry.image, "image-missing", GTK_ICON_SIZE_LARGE_TOOLBAR); - g_free (text); - } -} - -static void -indicator_ng_set_label (IndicatorNg *self, - const gchar *label) -{ - if (label == NULL || *label == '\0') - { - if (self->entry.label) - gtk_widget_hide (GTK_WIDGET (self->entry.label)); - return; - } - - gtk_label_set_label (GTK_LABEL (self->entry.label), label); - gtk_widget_show (GTK_WIDGET (self->entry.label)); -} - -static void -indicator_ng_update_entry (IndicatorNg *self) -{ - GVariant *state; - const gchar *label = NULL; - GVariant *icon = NULL; - const gchar *accessible_desc = NULL; - gboolean visible = TRUE; - - g_return_if_fail (self->menu != NULL); - g_return_if_fail (self->actions != NULL); - - if (!self->header_action || - !g_action_group_has_action (self->actions, self->header_action)) - { - indicator_object_set_visible (INDICATOR_OBJECT (self), FALSE); - return; - } - - state = g_action_group_get_action_state (self->actions, self->header_action); - if (state && g_variant_is_of_type (state, G_VARIANT_TYPE ("(sssb)"))) - { - const gchar *iconstr = NULL; - - g_variant_get (state, "(&s&s&sb)", &label, &iconstr, &accessible_desc, &visible); - - if (iconstr) - icon = g_variant_ref_sink (g_variant_new_string (iconstr)); - } - else if (state && g_variant_is_of_type (state, G_VARIANT_TYPE ("a{sv}"))) - { - g_variant_lookup (state, "label", "&s", &label); - g_variant_lookup (state, "icon", "*", &icon); - g_variant_lookup (state, "accessible-desc", "&s", &accessible_desc); - g_variant_lookup (state, "visible", "b", &visible); - } - else - g_warning ("the action of the indicator menu item must have state with type (sssb) or a{sv}"); - - indicator_ng_set_label (self, label); - indicator_ng_set_icon_from_variant (self, icon); - indicator_ng_set_accessible_desc (self, accessible_desc); - indicator_object_set_visible (INDICATOR_OBJECT (self), visible); - - if (icon) - g_variant_unref (icon); - if (state) - g_variant_unref (state); -} - -static gboolean -indicator_ng_menu_item_is_of_type (GMenuModel *menu, - gint index, - const gchar *expected_type) -{ - gchar *type; - gboolean has_type = FALSE; - - if (g_menu_model_get_item_attribute (menu, index, "x-canonical-type", "s", &type)) - { - has_type = g_str_equal (type, expected_type); - g_free (type); - } - - return has_type; -} - -static void -indicator_ng_menu_changed (GMenuModel *menu, - gint position, - gint removed, - gint added, - gpointer user_data) -{ - IndicatorNg *self = user_data; - - /* The menu may only contain one item (the indicator title menu). - * Thus, the position is always 0, and there is either exactly one - * item added or exactly one item removed. - */ - g_return_if_fail (position == 0); - g_return_if_fail (added < 2 && removed < 2 && added ^ removed); - - if (removed) - indicator_object_set_visible (INDICATOR_OBJECT (self), FALSE); - - if (added) - { - g_clear_pointer (&self->header_action, g_free); - g_clear_pointer (&self->scroll_action, g_free); - g_clear_pointer (&self->secondary_action, g_free); - - if (indicator_ng_menu_item_is_of_type (self->menu, 0, "com.canonical.indicator.root")) - { - GMenuModel *popup; - gchar *action; - - if (g_menu_model_get_item_attribute (self->menu, 0, G_MENU_ATTRIBUTE_ACTION, "s", &action)) - { - if (g_str_has_prefix (action, "indicator.")) - self->header_action = g_strdup (action + strlen ("indicator.")); - g_free (action); - } - - if (g_menu_model_get_item_attribute (self->menu, 0, "x-canonical-scroll-action", "s", &action)) - { - if (g_str_has_prefix (action, "indicator.")) - self->scroll_action = g_strdup (action + strlen ("indicator.")); - g_free (action); - } - - if (g_menu_model_get_item_attribute (self->menu, 0, "x-canonical-secondary-action", "s", &action)) - { - if (g_str_has_prefix (action, "indicator.")) - self->secondary_action = g_strdup (action + strlen ("indicator.")); - g_free (action); - } - - if (g_menu_model_get_item_attribute (self->menu, 0, "submenu-action", "s", &action)) - { - if (g_str_has_prefix (action, "indicator.")) - self->submenu_action = g_strdup (action + strlen ("indicator.")); - g_free (action); - } - - popup = g_menu_model_get_item_link (self->menu, 0, G_MENU_LINK_SUBMENU); - if (popup) - { - gtk_menu_shell_bind_model (GTK_MENU_SHELL (self->entry.menu), popup, NULL, TRUE); - g_object_unref (popup); - } - - indicator_ng_update_entry (self); - } - else - g_warning ("indicator menu item must be of type 'com.canonical.indicator.root'"); - } -} - -static void -indicator_ng_service_appeared (GDBusConnection *connection, - const gchar *name, - const gchar *name_owner, - gpointer user_data) -{ - IndicatorNg *self = user_data; - - g_assert (!self->actions); - g_assert (!self->menu); - - /* watch is not established when menu_object_path == NULL */ - g_assert (self->menu_object_path); - - self->session_bus = g_object_ref (connection); - - self->actions = G_ACTION_GROUP (g_dbus_action_group_get (connection, name_owner, self->object_path)); - gtk_widget_insert_action_group (GTK_WIDGET (self->entry.menu), "indicator", self->actions); - g_signal_connect_swapped (self->actions, "action-added", G_CALLBACK (indicator_ng_update_entry), self); - g_signal_connect_swapped (self->actions, "action-removed", G_CALLBACK (indicator_ng_update_entry), self); - g_signal_connect_swapped (self->actions, "action-state-changed", G_CALLBACK (indicator_ng_update_entry), self); - - self->menu = G_MENU_MODEL (g_dbus_menu_model_get (connection, name_owner, self->menu_object_path)); - g_signal_connect (self->menu, "items-changed", G_CALLBACK (indicator_ng_menu_changed), self); - if (g_menu_model_get_n_items (self->menu)) - indicator_ng_menu_changed (self->menu, 0, 0, 1, self); - - indicator_ng_update_entry (self); -} - -static void -indicator_ng_service_started (GObject *source_object, - GAsyncResult *res, - gpointer user_data) -{ - IndicatorNg *self = user_data; - GError *error = NULL; - GVariant *result; - guint32 start_service_reply; - - result = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source_object), res, &error); - if (!result) - { - g_warning ("Could not activate service '%s': %s", self->name, error->message); - indicator_object_set_visible (INDICATOR_OBJECT (self), FALSE); - g_error_free (error); - return; - } - - start_service_reply = 0; - g_variant_get (result, "(u)", &start_service_reply); - - switch (start_service_reply) - { - case 1: /* DBUS_START_REPLY_SUCCESS */ - break; - - case 2: /* DBUS_START_REPLY_ALREADY_RUNNING */ - g_warning ("could not start service '%s': it is already running", self->name); - break; - - default: - g_assert_not_reached (); - } - - g_variant_unref (result); -} - -static void -indicator_ng_service_vanished (GDBusConnection *connection, - const gchar *name, - gpointer user_data) -{ - IndicatorNg *self = user_data; - - indicator_ng_free_actions_and_menu (self); - - /* Names may vanish because the service decided it doesn't need to - * show its indicator anymore, or because it crashed. Let's assume it - * crashes and restart it unless it explicitly hid its indicator. */ - - if (indicator_object_entry_is_visible (INDICATOR_OBJECT (self), &self->entry)) - { - gint64 now; - - /* take care not to start it if it repeatedly crashes */ - now = g_get_monotonic_time (); - if (now - self->last_service_restart < 1 * G_USEC_PER_SEC) - { - g_warning ("The indicator '%s' vanished too quickly after appearing. It won't " - "be respawned anymore, as it could be crashing repeatedly.", self->name); - return; - } - - self->last_service_restart = now; - - g_dbus_connection_call (self->session_bus, - "org.freedesktop.DBus", - "/", - "org.freedesktop.DBus", - "StartServiceByName", - g_variant_new ("(su)", self->bus_name, 0), - G_VARIANT_TYPE ("(u)"), - G_DBUS_CALL_FLAGS_NONE, - -1, - NULL, - indicator_ng_service_started, - self); - } -} - -/* Get an integer from a keyfile. Returns @default_value if the key - * doesn't exist exists or is not an integer */ -static gint -g_key_file_maybe_get_integer (GKeyFile *keyfile, - const gchar *group, - const gchar *key, - gint default_value) -{ - GError *error = NULL; - gint i; - - i = g_key_file_get_integer (keyfile, group, key, &error); - if (error) - { - g_error_free (error); - return default_value; - } - - return i; -} - -static gboolean -indicator_ng_load_from_keyfile (IndicatorNg *self, - GKeyFile *keyfile, - GError **error) -{ - g_assert (self->name == NULL); - g_assert (self->object_path == NULL); - g_assert (self->menu_object_path == NULL); - - self->name = g_key_file_get_string (keyfile, "Indicator Service", "Name", error); - if (self->name == NULL) - return FALSE; - - self->object_path = g_key_file_get_string (keyfile, "Indicator Service", "ObjectPath", error); - if (self->object_path == NULL) - return FALSE; - - self->position = g_key_file_maybe_get_integer (keyfile, "Indicator Service", "Position", -1); - - /* - * Don't throw an error when the profile doesn't exist. Non-existant - * profiles are silently ignored by not showing an indicator at all. - */ - if (g_key_file_has_group (keyfile, self->profile)) - { - /* however, if the profile exists, it must have "ObjectPath" */ - self->menu_object_path = g_key_file_get_string (keyfile, self->profile, "ObjectPath", error); - if (self->menu_object_path == NULL) - return FALSE; - - /* a position in the profile overrides the global one */ - self->position = g_key_file_maybe_get_integer (keyfile, self->profile, "Position", self->position); - } - - return TRUE; -} - -static gboolean -indicator_ng_initable_init (GInitable *initable, - GCancellable *cancellable, - GError **error) -{ - IndicatorNg *self = INDICATOR_NG (initable); - GKeyFile *keyfile; - gboolean success = FALSE; - - self->bus_name = g_path_get_basename (self->service_file); - - keyfile = g_key_file_new (); - if (g_key_file_load_from_file (keyfile, self->service_file, G_KEY_FILE_NONE, error) && - indicator_ng_load_from_keyfile (self, keyfile, error)) - { - self->entry.name_hint = self->name; - - /* only watch the service when it supports the proile we're interested in */ - if (self->menu_object_path) - { - self->name_watch_id = g_bus_watch_name (G_BUS_TYPE_SESSION, - self->bus_name, - G_BUS_NAME_WATCHER_FLAGS_AUTO_START, - indicator_ng_service_appeared, - indicator_ng_service_vanished, - self, NULL); - } - - success = TRUE; - } - - g_key_file_free (keyfile); - return success; -} - -static void -indicator_ng_class_init (IndicatorNgClass *class) -{ - GObjectClass *object_class = G_OBJECT_CLASS (class); - IndicatorObjectClass *io_class = INDICATOR_OBJECT_CLASS (class); - - object_class->get_property = indicator_ng_get_property; - object_class->set_property = indicator_ng_set_property; - object_class->dispose = indicator_ng_dispose; - object_class->finalize = indicator_ng_finalize; - - io_class->get_entries = indicator_ng_get_entries; - io_class->get_position = indicator_ng_get_position; - io_class->entry_scrolled = indicator_ng_entry_scrolled; - io_class->secondary_activate = indicator_ng_secondary_activate; - - properties[PROP_SERVICE_FILE] = g_param_spec_string ("service-file", - "Service file", - "Path of the service file", - NULL, - G_PARAM_READWRITE | - G_PARAM_CONSTRUCT_ONLY | - G_PARAM_STATIC_STRINGS); - - properties[PROP_PROFILE] = g_param_spec_string ("profile", - "Profile", - "Indicator profile", - "desktop", - G_PARAM_READWRITE | - G_PARAM_CONSTRUCT_ONLY | - G_PARAM_STATIC_STRINGS); - - g_object_class_install_properties(object_class, N_PROPERTIES, properties); -} - -static void -indicator_ng_initable_iface_init (GInitableIface *initable) -{ - initable->init = indicator_ng_initable_init; -} - -static void -indicator_ng_init (IndicatorNg *self) -{ - self->entry.label = g_object_ref_sink (gtk_label_new (NULL)); - self->entry.image = g_object_ref_sink (gtk_image_new ()); - - self->entry.menu = g_object_ref_sink (gtk_menu_new ()); - - g_signal_connect (self->entry.menu, "show", G_CALLBACK (indicator_ng_menu_shown), self); - g_signal_connect (self->entry.menu, "hide", G_CALLBACK (indicator_ng_menu_hidden), self); - - /* work around IndicatorObject's warning that the accessible - * description is missing. We never set it on construction, but when - * the menu model has arrived on the bus. - */ - self->accessible_desc = g_strdup (""); - self->entry.accessible_desc = self->accessible_desc; - - self->position = -1; - - indicator_object_set_visible (INDICATOR_OBJECT (self), FALSE); -} - -IndicatorNg * -indicator_ng_new (const gchar *service_file, - GError **error) -{ - return g_initable_new (INDICATOR_TYPE_NG, NULL, error, - "service-file", service_file, - NULL); -} - -IndicatorNg * -indicator_ng_new_for_profile (const gchar *service_file, - const gchar *profile, - GError **error) -{ - return g_initable_new (INDICATOR_TYPE_NG, NULL, error, - "service-file", service_file, - "profile", profile, - NULL); -} - -const gchar * -indicator_ng_get_service_file (IndicatorNg *self) -{ - g_return_val_if_fail (INDICATOR_IS_NG (self), NULL); - - return self->service_file; -} - -const gchar * -indicator_ng_get_profile (IndicatorNg *self) -{ - g_return_val_if_fail (INDICATOR_IS_NG (self), NULL); - - return self->profile; -} -- cgit v1.2.3