/* An object that stores the registration of all the application indicators. It also communicates this to the indicator visualization. Copyright 2009 Canonical Ltd. Authors: Ted Gould 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 . */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include "libappindicator/app-indicator.h" #include "app-indicator-enum-types.h" #include "application-service-appstore.h" #include "application-service-marshal.h" #include "dbus-shared.h" #include "generate-id.h" /* DBus Prototypes */ static GVariant * get_applications (ApplicationServiceAppstore * appstore); static void bus_method_call (GDBusConnection * connection, const gchar * sender, const gchar * path, const gchar * interface, const gchar * method, GVariant * params, GDBusMethodInvocation * invocation, gpointer user_data); static void props_cb (GObject * object, GAsyncResult * res, gpointer user_data); #include "gen-application-service.xml.h" #define NOTIFICATION_ITEM_PROP_ID "Id" #define NOTIFICATION_ITEM_PROP_CATEGORY "Category" #define NOTIFICATION_ITEM_PROP_STATUS "Status" #define NOTIFICATION_ITEM_PROP_ICON_NAME "IconName" #define NOTIFICATION_ITEM_PROP_ICON_DESC "IconAccessibleDesc" #define NOTIFICATION_ITEM_PROP_AICON_NAME "AttentionIconName" #define NOTIFICATION_ITEM_PROP_AICON_DESC "AttentionAccessibleDesc" #define NOTIFICATION_ITEM_PROP_ICON_THEME_PATH "IconThemePath" #define NOTIFICATION_ITEM_PROP_MENU "Menu" #define NOTIFICATION_ITEM_PROP_LABEL "XAyatanaLabel" #define NOTIFICATION_ITEM_PROP_LABEL_GUIDE "XAyatanaLabelGuide" #define NOTIFICATION_ITEM_PROP_ORDERING_INDEX "XAyatanaOrderingIndex" #define NOTIFICATION_ITEM_SIG_NEW_ICON "NewIcon" #define NOTIFICATION_ITEM_SIG_NEW_AICON "NewAttentionIcon" #define NOTIFICATION_ITEM_SIG_NEW_STATUS "NewStatus" #define NOTIFICATION_ITEM_SIG_NEW_LABEL "XAyatanaNewLabel" #define NOTIFICATION_ITEM_SIG_NEW_ICON_THEME_PATH "NewIconThemePath" #define OVERRIDE_GROUP_NAME "Ordering Index Overrides" #define OVERRIDE_FILE_NAME "ordering-override.keyfile" /* Private Stuff */ struct _ApplicationServiceAppstorePrivate { GCancellable * bus_cancel; GDBusConnection * bus; guint dbus_registration; GList * applications; GList * approvers; GHashTable * ordering_overrides; }; typedef enum { VISIBLE_STATE_HIDDEN, VISIBLE_STATE_SHOWN } visible_state_t; #define STATE2STRING(x) ((x) == VISIBLE_STATE_HIDDEN ? "hidden" : "visible") typedef struct _Approver Approver; struct _Approver { ApplicationServiceAppstore * appstore; /* not ref'd */ GCancellable * proxy_cancel; GDBusProxy * proxy; guint name_watcher; }; typedef struct _Application Application; struct _Application { gchar * id; gchar * category; gchar * dbus_name; gchar * dbus_object; ApplicationServiceAppstore * appstore; /* not ref'd */ GCancellable * dbus_proxy_cancel; GDBusProxy * dbus_proxy; GCancellable * props_cancel; gboolean queued_props; GDBusProxy * props; gboolean validated; /* Whether we've gotten all the parameters and they look good. */ AppIndicatorStatus status; gchar * icon; gchar * icon_desc; gchar * aicon; gchar * aicon_desc; gchar * menu; gchar * icon_theme_path; gchar * label; gchar * guide; gboolean currently_free; guint ordering_index; GList * approved_by; visible_state_t visible_state; guint name_watcher; }; #define APPLICATION_SERVICE_APPSTORE_GET_PRIVATE(o) \ (G_TYPE_INSTANCE_GET_PRIVATE ((o), APPLICATION_SERVICE_APPSTORE_TYPE, ApplicationServiceAppstorePrivate)) /* GDBus Stuff */ static GDBusNodeInfo * node_info = NULL; static GDBusInterfaceInfo * interface_info = NULL; static GDBusInterfaceVTable interface_table = { method_call: bus_method_call, get_property: NULL, /* No properties */ set_property: NULL /* No properties */ }; /* GObject stuff */ static void application_service_appstore_class_init (ApplicationServiceAppstoreClass *klass); static void application_service_appstore_init (ApplicationServiceAppstore *self); static void application_service_appstore_dispose (GObject *object); static void application_service_appstore_finalize (GObject *object); static gint app_sort_func (gconstpointer a, gconstpointer b, gpointer userdata); static void load_override_file (GHashTable * hash, const gchar * filename); static AppIndicatorStatus string_to_status(const gchar * status_string); static void apply_status (Application * app); static AppIndicatorCategory string_to_cat(const gchar * cat_string); static void approver_free (gpointer papprover, gpointer user_data); static void check_with_new_approver (gpointer papp, gpointer papprove); static void check_with_old_approver (gpointer papprove, gpointer papp); static Application * find_application (ApplicationServiceAppstore * appstore, const gchar * address, const gchar * object); static void bus_get_cb (GObject * object, GAsyncResult * res, gpointer user_data); static void dbus_proxy_cb (GObject * object, GAsyncResult * res, gpointer user_data); static void app_receive_signal (GDBusProxy * proxy, gchar * sender_name, gchar * signal_name, GVariant * parameters, gpointer user_data); static void approver_proxy_cb (GObject * object, GAsyncResult * res, gpointer user_data); static void approver_receive_signal (GDBusProxy * proxy, gchar * sender_name, gchar * signal_name, GVariant * parameters, gpointer user_data); static void get_all_properties (Application * app); static void application_free (Application * app); G_DEFINE_TYPE (ApplicationServiceAppstore, application_service_appstore, G_TYPE_OBJECT); static void application_service_appstore_class_init (ApplicationServiceAppstoreClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); g_type_class_add_private (klass, sizeof (ApplicationServiceAppstorePrivate)); object_class->dispose = application_service_appstore_dispose; object_class->finalize = application_service_appstore_finalize; /* Setting up the DBus interfaces */ if (node_info == NULL) { GError * error = NULL; node_info = g_dbus_node_info_new_for_xml(_application_service, &error); if (error != NULL) { g_critical("Unable to parse Application Service Interface description: %s", error->message); g_error_free(error); } } if (interface_info == NULL) { interface_info = g_dbus_node_info_lookup_interface(node_info, INDICATOR_APPLICATION_DBUS_IFACE); if (interface_info == NULL) { g_critical("Unable to find interface '" INDICATOR_APPLICATION_DBUS_IFACE "'"); } } return; } static void application_service_appstore_init (ApplicationServiceAppstore *self) { ApplicationServiceAppstorePrivate * priv = APPLICATION_SERVICE_APPSTORE_GET_PRIVATE (self); priv->applications = NULL; priv->approvers = NULL; priv->bus_cancel = NULL; priv->dbus_registration = 0; priv->ordering_overrides = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL); load_override_file(priv->ordering_overrides, DATADIR "/" OVERRIDE_FILE_NAME); gchar * userfile = g_build_filename(g_get_user_data_dir(), "indicators", "application", OVERRIDE_FILE_NAME, NULL); load_override_file(priv->ordering_overrides, userfile); g_free(userfile); priv->bus_cancel = g_cancellable_new(); g_bus_get(G_BUS_TYPE_SESSION, priv->bus_cancel, bus_get_cb, self); self->priv = priv; return; } static void bus_get_cb (GObject * object, GAsyncResult * res, gpointer user_data) { GError * error = NULL; GDBusConnection * connection = g_bus_get_finish(res, &error); if (error != NULL) { g_critical("OMG! Unable to get a connection to DBus: %s", error->message); g_error_free(error); return; } ApplicationServiceAppstorePrivate * priv = APPLICATION_SERVICE_APPSTORE_GET_PRIVATE (user_data); g_warn_if_fail(priv->bus == NULL); priv->bus = connection; if (priv->bus_cancel != NULL) { g_object_unref(priv->bus_cancel); priv->bus_cancel = NULL; } /* Now register our object on our new connection */ priv->dbus_registration = g_dbus_connection_register_object(priv->bus, INDICATOR_APPLICATION_DBUS_OBJ, interface_info, &interface_table, user_data, NULL, &error); if (error != NULL) { g_critical("Unable to register the object to DBus: %s", error->message); g_error_free(error); return; } return; } /* A method has been called from our dbus inteface. Figure out what it is and dispatch it. */ static void bus_method_call (GDBusConnection * connection, const gchar * sender, const gchar * path, const gchar * interface, const gchar * method, GVariant * params, GDBusMethodInvocation * invocation, gpointer user_data) { ApplicationServiceAppstore * service = APPLICATION_SERVICE_APPSTORE(user_data); GVariant * retval = NULL; if (g_strcmp0(method, "GetApplications") == 0) { retval = get_applications(service); } else if (g_strcmp0(method, "ApplicationScrollEvent") == 0) { Application *app = NULL; const gchar *dbusaddress; const gchar *dbusobject; gchar *orientation = NULL; gint delta; guint direction; g_variant_get (params, "(&s&siu)", &dbusaddress, &dbusobject, &delta, &direction); GList *l; for (l = service->priv->applications; l != NULL; l = l->next) { Application *a = l->data; if (g_strcmp0(a->dbus_name, dbusaddress) == 0 && g_strcmp0(a->menu, dbusobject) == 0) { app = a; break; } } switch (direction) { case INDICATOR_OBJECT_SCROLL_UP: delta = -delta; case INDICATOR_OBJECT_SCROLL_DOWN: orientation = "vertical"; break; case INDICATOR_OBJECT_SCROLL_LEFT: delta = -delta; case INDICATOR_OBJECT_SCROLL_RIGHT: orientation = "horizontal"; } if (app != NULL && app->dbus_proxy != NULL && orientation != NULL) { g_dbus_proxy_call(app->dbus_proxy, "Scroll", g_variant_new("(is)", delta, orientation), G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL); } } else { g_warning("Calling method '%s' on the indicator service and it's unknown", method); } g_dbus_method_invocation_return_value(invocation, retval); return; } static void application_service_appstore_dispose (GObject *object) { ApplicationServiceAppstorePrivate * priv = APPLICATION_SERVICE_APPSTORE(object)->priv; while (priv->applications != NULL) { application_service_appstore_application_remove(APPLICATION_SERVICE_APPSTORE(object), ((Application *)priv->applications->data)->dbus_name, ((Application *)priv->applications->data)->dbus_object); } if (priv->approvers != NULL) { g_list_foreach(priv->approvers, approver_free, object); g_list_free(priv->approvers); priv->approvers = NULL; } if (priv->dbus_registration != 0) { g_dbus_connection_unregister_object(priv->bus, priv->dbus_registration); /* Don't care if it fails, there's nothing we can do */ priv->dbus_registration = 0; } if (priv->bus != NULL) { g_object_unref(priv->bus); priv->bus = NULL; } if (priv->bus_cancel != NULL) { g_cancellable_cancel(priv->bus_cancel); g_object_unref(priv->bus_cancel); priv->bus_cancel = NULL; } G_OBJECT_CLASS (application_service_appstore_parent_class)->dispose (object); return; } static void application_service_appstore_finalize (GObject *object) { ApplicationServiceAppstorePrivate * priv = APPLICATION_SERVICE_APPSTORE(object)->priv; if (priv->ordering_overrides != NULL) { g_hash_table_destroy(priv->ordering_overrides); priv->ordering_overrides = NULL; } G_OBJECT_CLASS (application_service_appstore_parent_class)->finalize (object); return; } /* Loads the file and adds the override entries to the table of overrides */ static void load_override_file (GHashTable * hash, const gchar * filename) { g_return_if_fail(hash != NULL); g_return_if_fail(filename != NULL); if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { g_debug("Override file '%s' doesn't exist", filename); return; } g_debug("Loading overrides from: '%s'", filename); GError * error = NULL; GKeyFile * keyfile = g_key_file_new(); g_key_file_load_from_file(keyfile, filename, G_KEY_FILE_NONE, &error); if (error != NULL) { g_warning("Unable to load keyfile '%s' because: %s", filename, error->message); g_error_free(error); g_key_file_free(keyfile); return; } gchar ** keys = g_key_file_get_keys(keyfile, OVERRIDE_GROUP_NAME, NULL, &error); if (error != NULL) { g_warning("Unable to get keys from keyfile '%s' because: %s", filename, error->message); g_error_free(error); g_key_file_free(keyfile); return; } gchar * key = keys[0]; gint i; for (i = 0; (key = keys[i]) != NULL; i++) { GError * valerror = NULL; gint val = g_key_file_get_integer(keyfile, OVERRIDE_GROUP_NAME, key, &valerror); if (valerror != NULL) { g_warning("Unable to get key '%s' out of file '%s' because: %s", key, filename, valerror->message); g_error_free(valerror); continue; } g_debug("%s: override '%s' with value '%d'", filename, key, val); g_hash_table_insert(hash, g_strdup(key), GINT_TO_POINTER(val)); } g_strfreev(keys); g_key_file_free(keyfile); return; } /* Return from getting the properties from the item. We're looking at those and making sure we have everything that we need. If we do, then we'll move on up to sending this onto the indicator. */ static void got_all_properties (GObject * source_object, GAsyncResult * res, gpointer user_data) { Application * app = (Application *)user_data; g_return_if_fail(app != NULL); GError * error = NULL; GVariant * menu = NULL, * id = NULL, * category = NULL, * status = NULL, * icon_name = NULL, * aicon_name = NULL, * icon_desc = NULL, * aicon_desc = NULL, * icon_theme_path = NULL, * index = NULL, * label = NULL, * guide = NULL; GVariant * properties = g_dbus_proxy_call_finish(G_DBUS_PROXY(source_object), res, &error); if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) { g_error_free (error); return; // Must exit before accessing freed memory } if (app->props_cancel != NULL) { g_object_unref(app->props_cancel); app->props_cancel = NULL; } if (error != NULL) { g_critical("Could not grab DBus properties for %s: %s", app->dbus_name, error->message); g_error_free(error); if (!app->validated) application_free(app); return; } ApplicationServiceAppstorePrivate * priv = app->appstore->priv; /* Grab all properties from variant */ GVariantIter * iter = NULL; const gchar * name = NULL; GVariant * value = NULL; g_variant_get(properties, "(a{sv})", &iter); while (g_variant_iter_loop (iter, "{&sv}", &name, &value)) { if (g_strcmp0(name, NOTIFICATION_ITEM_PROP_MENU) == 0) { menu = g_variant_ref(value); } else if (g_strcmp0(name, NOTIFICATION_ITEM_PROP_ID) == 0) { id = g_variant_ref(value); } else if (g_strcmp0(name, NOTIFICATION_ITEM_PROP_CATEGORY) == 0) { category = g_variant_ref(value); } else if (g_strcmp0(name, NOTIFICATION_ITEM_PROP_STATUS) == 0) { status = g_variant_ref(value); } else if (g_strcmp0(name, NOTIFICATION_ITEM_PROP_ICON_NAME) == 0) { icon_name = g_variant_ref(value); } else if (g_strcmp0(name, NOTIFICATION_ITEM_PROP_ICON_DESC) == 0) { icon_desc = g_variant_ref(value); } else if (g_strcmp0(name, NOTIFICATION_ITEM_PROP_AICON_NAME) == 0) { aicon_name = g_variant_ref(value); } else if (g_strcmp0(name, NOTIFICATION_ITEM_PROP_AICON_DESC) == 0) { aicon_desc = g_variant_ref(value); } else if (g_strcmp0(name, NOTIFICATION_ITEM_PROP_ICON_THEME_PATH) == 0) { icon_theme_path = g_variant_ref(value); } else if (g_strcmp0(name, NOTIFICATION_ITEM_PROP_ORDERING_INDEX) == 0) { index = g_variant_ref(value); } else if (g_strcmp0(name, NOTIFICATION_ITEM_PROP_LABEL) == 0) { label = g_variant_ref(value); } else if (g_strcmp0(name, NOTIFICATION_ITEM_PROP_LABEL_GUIDE) == 0) { guide = g_variant_ref(value); } /* else ignore */ } g_variant_iter_free (iter); g_variant_unref(properties); if (menu == NULL || id == NULL || category == NULL || status == NULL || icon_name == NULL) { g_warning("Notification Item on object %s of %s doesn't have enough properties.", app->dbus_object, app->dbus_name); if (!app->validated) application_free(app); } else { app->validated = TRUE; app->id = g_variant_dup_string(id, NULL); app->category = g_variant_dup_string(category, NULL); app->status = string_to_status(g_variant_get_string(status, NULL)); app->icon = g_variant_dup_string(icon_name, NULL); app->menu = g_variant_dup_string(menu, NULL); /* Now the optional properties */ if (aicon_name != NULL) { app->aicon = g_variant_dup_string(aicon_name, NULL); } if (icon_theme_path != NULL) { app->icon_theme_path = g_variant_dup_string(icon_theme_path, NULL); } else { app->icon_theme_path = g_strdup(""); } gpointer ordering_index_over = g_hash_table_lookup(priv->ordering_overrides, app->id); if (ordering_index_over == NULL) { if (index == NULL || g_variant_get_uint32(index) == 0) { app->ordering_index = generate_id(string_to_cat(app->category), app->id); } else { app->ordering_index = g_variant_get_uint32(index); } } else { app->ordering_index = GPOINTER_TO_UINT(ordering_index_over); } g_debug("'%s' ordering index is '%X'", app->id, app->ordering_index); app->appstore->priv->applications = g_list_sort_with_data(app->appstore->priv->applications, app_sort_func, NULL); if (label != NULL) { app->label = g_variant_dup_string(label, NULL); } else { app->label = g_strdup(""); } if (guide != NULL) { app->guide = g_variant_dup_string(guide, NULL); } else { app->guide = g_strdup(""); } g_list_foreach(priv->approvers, check_with_old_approver, app); apply_status(app); if (app->queued_props) { get_all_properties(app); app->queued_props = FALSE; } } if (menu) g_variant_unref (menu); if (id) g_variant_unref (id); if (category) g_variant_unref (category); if (status) g_variant_unref (status); if (icon_name) g_variant_unref (icon_name); if (icon_desc) g_variant_unref (icon_desc); if (aicon_name) g_variant_unref (aicon_name); if (aicon_desc) g_variant_unref (aicon_desc); if (icon_theme_path) g_variant_unref (icon_theme_path); if (index) g_variant_unref (index); if (label) g_variant_unref (label); if (guide) g_variant_unref (guide); return; } static void get_all_properties (Application * app) { if (app->props != NULL && app->props_cancel == NULL) { g_dbus_proxy_call(app->props, "GetAll", g_variant_new("(s)", NOTIFICATION_ITEM_DBUS_IFACE), G_DBUS_CALL_FLAGS_NONE, -1, app->props_cancel, got_all_properties, app); } else { g_debug("Queuing a properties check"); app->queued_props = TRUE; } } /* Check the application against an approver */ static void check_with_old_approver (gpointer papprove, gpointer papp) { /* Funny the parallels, eh? */ check_with_new_approver(papp, papprove); return; } /* Simple translation function -- could be optimized */ static AppIndicatorStatus string_to_status(const gchar * status_string) { GEnumClass * klass = G_ENUM_CLASS(g_type_class_ref(APP_INDICATOR_TYPE_INDICATOR_STATUS)); g_return_val_if_fail(klass != NULL, APP_INDICATOR_STATUS_PASSIVE); AppIndicatorStatus retval = APP_INDICATOR_STATUS_PASSIVE; GEnumValue * val = g_enum_get_value_by_nick(klass, status_string); if (val == NULL) { g_warning("Unrecognized status '%s' assuming passive.", status_string); } else { retval = (AppIndicatorStatus)val->value; } g_type_class_unref(klass); return retval; } /* Simple translation function -- could be optimized */ static AppIndicatorCategory string_to_cat(const gchar * cat_string) { GEnumClass * klass = G_ENUM_CLASS(g_type_class_ref(APP_INDICATOR_TYPE_INDICATOR_CATEGORY)); g_return_val_if_fail(klass != NULL, APP_INDICATOR_CATEGORY_OTHER); AppIndicatorCategory retval = APP_INDICATOR_CATEGORY_OTHER; GEnumValue * val = g_enum_get_value_by_nick(klass, cat_string); if (val == NULL) { g_warning("Unrecognized status '%s' assuming other.", cat_string); } else { retval = (AppIndicatorCategory)val->value; } g_type_class_unref(klass); return retval; } /* A small helper function to get the position of an application in the app list of the applications that are visible. */ static gint get_position (Application * app) { ApplicationServiceAppstore * appstore = app->appstore; ApplicationServiceAppstorePrivate * priv = appstore->priv; GList * lapp; gint count; /* Go through the list and try to find ours */ for (lapp = priv->applications, count = 0; lapp != NULL; lapp = g_list_next(lapp), count++) { if (lapp->data == app) { break; } /* If the selected app isn't visible let's not count it's position */ Application * thisapp = (Application *)(lapp->data); if (thisapp->visible_state == VISIBLE_STATE_HIDDEN) { count--; } } if (lapp == NULL) { g_warning("Unable to find position for app '%s'", app->id); return -1; } return count; } /* A simple global function for dealing with freeing the information in an Application structure */ static void application_free (Application * app) { if (app == NULL) return; g_debug("Application free '%s'", app->id); /* Handle the case where this could be called by unref'ing one of the proxy objects. */ if (app->currently_free) return; app->currently_free = TRUE; /* Remove from the application list */ app->appstore->priv->applications = g_list_remove(app->appstore->priv->applications, app); if (app->name_watcher != 0) { g_dbus_connection_signal_unsubscribe(g_dbus_proxy_get_connection(app->dbus_proxy), app->name_watcher); app->name_watcher = 0; } if (app->props) { g_object_unref(app->props); } if (app->props_cancel != NULL) { g_cancellable_cancel(app->props_cancel); g_object_unref(app->props_cancel); app->props_cancel = NULL; } if (app->dbus_proxy) { g_object_unref(app->dbus_proxy); } if (app->dbus_proxy_cancel != NULL) { g_cancellable_cancel(app->dbus_proxy_cancel); g_object_unref(app->dbus_proxy_cancel); app->dbus_proxy_cancel = NULL; } if (app->id != NULL) { g_free(app->id); } if (app->category != NULL) { g_free(app->category); } if (app->dbus_name != NULL) { g_free(app->dbus_name); } if (app->dbus_object != NULL) { g_free(app->dbus_object); } if (app->icon != NULL) { g_free(app->icon); } if (app->icon_desc != NULL) { g_free(app->icon_desc); } if (app->aicon_desc != NULL) { g_free(app->aicon_desc); } if (app->menu != NULL) { g_free(app->menu); } if (app->icon_theme_path != NULL) { g_free(app->icon_theme_path); } if (app->label != NULL) { g_free(app->label); } if (app->guide != NULL) { g_free(app->guide); } if (app->approved_by != NULL) { g_list_free(app->approved_by); } g_free(app); return; } /* Gets called when the proxy changes owners, which is usually when it drops off of the bus. */ static void application_died (Application * app) { /* Application died */ g_debug("Application proxy destroyed '%s'", app->id); /* Remove from the panel */ app->status = APP_INDICATOR_STATUS_PASSIVE; apply_status(app); /* Destroy the data */ application_free(app); return; } /* This function takes two Application structure pointers and uses their ordering index to compare them. */ static gint app_sort_func (gconstpointer a, gconstpointer b, gpointer userdata) { Application * appa = (Application *)a; Application * appb = (Application *)b; return (appb->ordering_index/2) - (appa->ordering_index/2); } static void emit_signal (ApplicationServiceAppstore * appstore, const gchar * name, GVariant * variant) { ApplicationServiceAppstorePrivate * priv = appstore->priv; GError * error = NULL; g_dbus_connection_emit_signal (priv->bus, NULL, INDICATOR_APPLICATION_DBUS_OBJ, INDICATOR_APPLICATION_DBUS_IFACE, name, variant, &error); if (error != NULL) { g_critical("Unable to send %s signal: %s", name, error->message); g_error_free(error); return; } return; } /* Change the status of the application. If we're going passive it removes it from the panel. If we're coming online, then it add it to the panel. Otherwise it changes the icon. */ static void apply_status (Application * app) { ApplicationServiceAppstore * appstore = app->appstore; ApplicationServiceAppstorePrivate * priv = appstore->priv; /* g_debug("Applying status. Status: %d Approved by: %d Approvers: %d Visible: %d", app->status, g_list_length(app->approved_by), g_list_length(priv->approvers), app->visible_state); */ visible_state_t goal_state = VISIBLE_STATE_HIDDEN; if (app->status != APP_INDICATOR_STATUS_PASSIVE && g_list_length(app->approved_by) >= g_list_length(priv->approvers)) { goal_state = VISIBLE_STATE_SHOWN; } /* Nothing needs to change, we're good */ if (app->visible_state == goal_state /* ) { */ && goal_state == VISIBLE_STATE_HIDDEN) { /* TODO: Uhg, this is a little wrong in that we're going to send an icon every time the status changes and the indicator is visible even though it might not be updating. But, at this point we need a small patch that is harmless. In the future we need to track which icon is shown and remove the duplicate message. */ return; } if (app->visible_state != goal_state) { g_debug("Changing app '%s' state from %s to %s", app->id, STATE2STRING(app->visible_state), STATE2STRING(goal_state)); } /* This means we're going off line */ if (goal_state == VISIBLE_STATE_HIDDEN) { gint position = get_position(app); if (position == -1) return; emit_signal (appstore, "ApplicationRemoved", g_variant_new ("(i)", position)); } else { /* Figure out which icon we should be using */ gchar * newicon = app->icon; gchar * newdesc = app->icon_desc; if (app->status == APP_INDICATOR_STATUS_ATTENTION && app->aicon != NULL && app->aicon[0] != '\0') { newicon = app->aicon; newdesc = app->aicon_desc; } if (newdesc == NULL) { newdesc = ""; } /* Determine whether we're already shown or not */ if (app->visible_state == VISIBLE_STATE_HIDDEN) { /* Put on panel */ emit_signal (appstore, "ApplicationAdded", g_variant_new ("(sisossss)", newicon, get_position(app), app->dbus_name, app->menu, app->icon_theme_path, app->label, app->guide, newdesc)); } else { /* Icon update */ gint position = get_position(app); if (position == -1) return; emit_signal (appstore, "ApplicationIconChanged", g_variant_new ("(iss)", position, newicon, newdesc)); emit_signal (appstore, "ApplicationLabelChanged", g_variant_new ("(iss)", position, app->label != NULL ? app->label : "", app->guide != NULL ? app->guide : "")); } } app->visible_state = goal_state; return; } /* Called when the Notification Item signals that it has a new status. */ static void new_status (Application * app, const gchar * status) { app->status = string_to_status(status); apply_status(app); return; } /* Called when the Notification Item signals that it has a new icon theme path. */ static void new_icon_theme_path (Application * app, const gchar * icon_theme_path) { if (g_strcmp0(icon_theme_path, app->icon_theme_path)) { /* If the new icon theme path is actually a new icon theme path */ if (app->icon_theme_path != NULL) g_free(app->icon_theme_path); app->icon_theme_path = g_strdup(icon_theme_path); if (app->visible_state != VISIBLE_STATE_HIDDEN) { gint position = get_position(app); if (position == -1) return; emit_signal (app->appstore, "ApplicationIconThemePathChanged", g_variant_new ("(is)", position, app->icon_theme_path)); } } return; } /* Called when the Notification Item signals that it has a new label. */ static void new_label (Application * app, const gchar * label, const gchar * guide) { gboolean changed = FALSE; if (g_strcmp0(app->label, label) != 0) { changed = TRUE; if (app->label != NULL) { g_free(app->label); app->label = NULL; } app->label = g_strdup(label); } if (g_strcmp0(app->guide, guide) != 0) { changed = TRUE; if (app->guide != NULL) { g_free(app->guide); app->guide = NULL; } app->guide = g_strdup(guide); } if (changed) { gint position = get_position(app); if (position == -1) return; emit_signal (app->appstore, "ApplicationLabelChanged", g_variant_new ("(iss)", position, app->label != NULL ? app->label : "", app->guide != NULL ? app->guide : "")); } return; } /* Adding a new NotificationItem object from DBus in to the appstore. First, we need to get the information on it though. */ void application_service_appstore_application_add (ApplicationServiceAppstore * appstore, const gchar * dbus_name, const gchar * dbus_object) { g_debug("Adding new application: %s:%s", dbus_name, dbus_object); /* Make sure we got a sensible request */ g_return_if_fail(IS_APPLICATION_SERVICE_APPSTORE(appstore)); g_return_if_fail(dbus_name != NULL && dbus_name[0] != '\0'); g_return_if_fail(dbus_object != NULL && dbus_object[0] != '\0'); Application * app = find_application(appstore, dbus_name, dbus_object); if (app != NULL) { g_warning("Application already exists, re-requesting properties."); get_all_properties(app); return; } /* Build the application entry. This will be carried along until we're sure we've got everything. */ app = g_new0(Application, 1); app->validated = FALSE; app->dbus_name = g_strdup(dbus_name); app->dbus_object = g_strdup(dbus_object); app->appstore = appstore; app->status = APP_INDICATOR_STATUS_PASSIVE; app->icon = NULL; app->aicon = NULL; app->menu = NULL; app->icon_theme_path = NULL; app->label = NULL; app->guide = NULL; app->currently_free = FALSE; app->ordering_index = 0; app->approved_by = NULL; app->visible_state = VISIBLE_STATE_HIDDEN; app->name_watcher = 0; app->props_cancel = NULL; app->props = NULL; app->queued_props = FALSE; /* Get the DBus proxy for the NotificationItem interface */ app->dbus_proxy_cancel = g_cancellable_new(); g_dbus_proxy_new_for_bus(G_BUS_TYPE_SESSION, G_DBUS_PROXY_FLAGS_NONE, NULL, app->dbus_name, app->dbus_object, NOTIFICATION_ITEM_DBUS_IFACE, app->dbus_proxy_cancel, dbus_proxy_cb, app); appstore->priv->applications = g_list_insert_sorted_with_data (appstore->priv->applications, app, app_sort_func, NULL); /* We're returning, nothing is yet added until the properties come back and give us more info. */ return; } static void name_changed (GDBusConnection * connection, const gchar * sender_name, const gchar * object_path, const gchar * interface_name, const gchar * signal_name, GVariant * parameters, gpointer user_data) { Application * app = (Application *)user_data; const gchar * new_name; g_variant_get(parameters, "(&s&s&s)", NULL, NULL, &new_name); if (new_name == NULL || new_name[0] == 0) application_died(app); } /* Callback from trying to create the proxy for the app. */ static void dbus_proxy_cb (GObject * object, GAsyncResult * res, gpointer user_data) { GError * error = NULL; Application * app = (Application *)user_data; g_return_if_fail(app != NULL); GDBusProxy * proxy = g_dbus_proxy_new_for_bus_finish(res, &error); if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) { g_error_free (error); return; // Must exit before accessing freed memory } if (app->dbus_proxy_cancel != NULL) { g_object_unref(app->dbus_proxy_cancel); app->dbus_proxy_cancel = NULL; } if (error != NULL) { g_critical("Could not grab DBus proxy for %s: %s", app->dbus_name, error->message); g_error_free(error); application_free(app); return; } /* Okay, we're good to grab the proxy at this point, we're sure that it's ours. */ app->dbus_proxy = proxy; /* We've got it, let's watch it for destruction */ app->name_watcher = g_dbus_connection_signal_subscribe( g_dbus_proxy_get_connection(proxy), "org.freedesktop.DBus", "org.freedesktop.DBus", "NameOwnerChanged", "/org/freedesktop/DBus", g_dbus_proxy_get_name(proxy), G_DBUS_SIGNAL_FLAGS_NONE, name_changed, app, NULL); g_signal_connect(proxy, "g-signal", G_CALLBACK(app_receive_signal), app); app->props_cancel = g_cancellable_new(); g_dbus_proxy_new(g_dbus_proxy_get_connection(proxy), G_DBUS_PROXY_FLAGS_NONE, NULL, app->dbus_name, app->dbus_object, "org.freedesktop.DBus.Properties", app->props_cancel, props_cb, app); return; } /* Callback from trying to create the proxy for the app. */ static void props_cb (GObject * object, GAsyncResult * res, gpointer user_data) { GError * error = NULL; Application * app = (Application *)user_data; g_return_if_fail(app != NULL); GDBusProxy * proxy = g_dbus_proxy_new_for_bus_finish(res, &error); if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) { g_error_free (error); return; // Must exit before accessing freed memory } if (app->props_cancel != NULL) { g_object_unref(app->props_cancel); app->props_cancel = NULL; } if (error != NULL) { g_critical("Could not grab Properties DBus proxy for %s: %s", app->dbus_name, error->message); g_error_free(error); application_free(app); return; } /* Okay, we're good to grab the proxy at this point, we're sure that it's ours. */ app->props = proxy; get_all_properties(app); return; } /* Receives all signals from the service, routed to the appropriate functions */ static void app_receive_signal (GDBusProxy * proxy, gchar * sender_name, gchar * signal_name, GVariant * parameters, gpointer user_data) { Application * app = (Application *)user_data; if (!app->validated) return; if (g_strcmp0(signal_name, NOTIFICATION_ITEM_SIG_NEW_ICON) == 0) { /* icon name isn't provided by signal, so look it up */ get_all_properties(app); } else if (g_strcmp0(signal_name, NOTIFICATION_ITEM_SIG_NEW_AICON) == 0) { /* aicon name isn't provided by signal, so look it up */ get_all_properties(app); } else if (g_strcmp0(signal_name, NOTIFICATION_ITEM_SIG_NEW_STATUS) == 0) { const gchar * status; g_variant_get(parameters, "(&s)", &status); new_status(app, status); } else if (g_strcmp0(signal_name, NOTIFICATION_ITEM_SIG_NEW_ICON_THEME_PATH) == 0) { const gchar * icon_theme_path; g_variant_get(parameters, "(&s)", &icon_theme_path); new_icon_theme_path(app, icon_theme_path); } else if (g_strcmp0(signal_name, NOTIFICATION_ITEM_SIG_NEW_LABEL) == 0) { const gchar * label, * guide; g_variant_get(parameters, "(&s&s)", &label, &guide); new_label(app, label, guide); } return; } /* Looks for an application in the list of applications */ static Application * find_application (ApplicationServiceAppstore * appstore, const gchar * address, const gchar * object) { ApplicationServiceAppstorePrivate * priv = appstore->priv; GList * listpntr; for (listpntr = priv->applications; listpntr != NULL; listpntr = g_list_next(listpntr)) { Application * app = (Application *)listpntr->data; if (!g_strcmp0(app->dbus_name, address) && !g_strcmp0(app->dbus_object, object)) { return app; } } return NULL; } /* Removes an application. Currently only works for the apps that are shown. */ void application_service_appstore_application_remove (ApplicationServiceAppstore * appstore, const gchar * dbus_name, const gchar * dbus_object) { g_return_if_fail(IS_APPLICATION_SERVICE_APPSTORE(appstore)); g_return_if_fail(dbus_name != NULL && dbus_name[0] != '\0'); g_return_if_fail(dbus_object != NULL && dbus_object[0] != '\0'); Application * app = find_application(appstore, dbus_name, dbus_object); if (app != NULL) { application_died(app); } else { g_warning("Unable to find application %s:%s", dbus_name, dbus_object); } return; } gchar** application_service_appstore_application_get_list (ApplicationServiceAppstore * appstore) { ApplicationServiceAppstorePrivate * priv = appstore->priv; gchar ** out; gchar ** outpntr; GList * listpntr; out = g_new(gchar*, g_list_length(priv->applications) + 1); for (listpntr = priv->applications, outpntr = out; listpntr != NULL; listpntr = g_list_next(listpntr), ++outpntr) { Application * app = (Application *)listpntr->data; *outpntr = g_strdup_printf("%s%s", app->dbus_name, app->dbus_object); } *outpntr = 0; return out; } /* Creates a basic appstore object and attaches the LRU file object to it. */ ApplicationServiceAppstore * application_service_appstore_new (void) { ApplicationServiceAppstore * appstore = APPLICATION_SERVICE_APPSTORE(g_object_new(APPLICATION_SERVICE_APPSTORE_TYPE, NULL)); return appstore; } /* DBus Interface */ static GVariant * get_applications (ApplicationServiceAppstore * appstore) { ApplicationServiceAppstorePrivate * priv = appstore->priv; GVariant * out = NULL; if (g_list_length(priv->applications) > 0) { GVariantBuilder builder; GList * listpntr; gint position = 0; g_variant_builder_init(&builder, G_VARIANT_TYPE_ARRAY); for (listpntr = priv->applications; listpntr != NULL; listpntr = g_list_next(listpntr)) { Application * app = (Application *)listpntr->data; if (app->visible_state == VISIBLE_STATE_HIDDEN) { continue; } g_variant_builder_add (&builder, "(sisossss)", app->icon, position++, app->dbus_name, app->menu, app->icon_theme_path, app->label, app->guide, (app->icon_desc != NULL) ? app->icon_desc : ""); } out = g_variant_builder_end(&builder); } else { GError * error = NULL; out = g_variant_parse(g_variant_type_new("a(sisossss)"), "[]", NULL, NULL, &error); if (error != NULL) { g_warning("Unable to parse '[]' as a 'a(sisossss)': %s", error->message); out = NULL; g_error_free(error); } } if (out != NULL) { return g_variant_new_tuple(&out, 1); } else { return NULL; } } /* Removes and approver from our list of approvers and then sees if that changes our status. Most likely this could make us visible if this approver rejected us. */ static void remove_approver (gpointer papp, gpointer pproxy) { Application * app = (Application *)papp; app->approved_by = g_list_remove(app->approved_by, pproxy); apply_status(app); return; } /* Frees the data associated with an approver */ static void approver_free (gpointer papprover, gpointer user_data) { Approver * approver = (Approver *)papprover; g_return_if_fail(approver != NULL); ApplicationServiceAppstore * appstore = APPLICATION_SERVICE_APPSTORE(user_data); g_list_foreach(appstore->priv->applications, remove_approver, approver->proxy); if (approver->name_watcher != 0) { g_dbus_connection_signal_unsubscribe(g_dbus_proxy_get_connection(approver->proxy), approver->name_watcher); approver->name_watcher = 0; } if (approver->proxy != NULL) { g_object_unref(approver->proxy); approver->proxy = NULL; } if (approver->proxy_cancel != NULL) { g_cancellable_cancel(approver->proxy_cancel); g_object_unref(approver->proxy_cancel); approver->proxy_cancel = NULL; } g_free(approver); return; } /* What did the approver tell us? */ static void approver_request_cb (GObject *object, GAsyncResult *res, gpointer user_data) { GDBusProxy * proxy = G_DBUS_PROXY(object); Application * app = (Application *)user_data; GError * error = NULL; gboolean approved = TRUE; /* default to approved */ GVariant * result; result = g_dbus_proxy_call_finish(proxy, res, &error); if (error == NULL) { g_variant_get(result, "(b)", &approved); g_debug("Approver responded: %s", approved ? "approve" : "rejected"); } else { g_debug("Approver responded error: %s", error->message); } if (approved) { app->approved_by = g_list_prepend(app->approved_by, proxy); } else { app->approved_by = g_list_remove(app->approved_by, proxy); } apply_status(app); return; } /* Run the applications through the new approver */ static void check_with_new_approver (gpointer papp, gpointer papprove) { Application * app = (Application *)papp; Approver * approver = (Approver *)papprove; g_dbus_proxy_call(approver->proxy, "ApproveItem", g_variant_new("(ssuso)", app->id, app->category, 0, app->dbus_name, app->dbus_object), G_DBUS_CALL_FLAGS_NONE, -1, NULL, approver_request_cb, app); return; } /* A signal when an approver changes the why that it thinks about a particular indicator. */ void approver_revise_judgement (Approver * approver, gboolean new_status, const gchar * address, const gchar * path) { g_return_if_fail(address != NULL && address[0] != '\0'); g_return_if_fail(path != NULL && path[0] != '\0'); Application * app = find_application(approver->appstore, address, path); if (app == NULL) { g_warning("Unable to update approver status of application (%s:%s) as it was not found", address, path); return; } if (new_status) { app->approved_by = g_list_prepend(app->approved_by, approver->proxy); } else { app->approved_by = g_list_remove(app->approved_by, approver->proxy); } apply_status(app); return; } /* Adds a new approver to the app store */ void application_service_appstore_approver_add (ApplicationServiceAppstore * appstore, const gchar * dbus_name, const gchar * dbus_object) { g_return_if_fail(IS_APPLICATION_SERVICE_APPSTORE(appstore)); g_return_if_fail(dbus_name != NULL); g_return_if_fail(dbus_object != NULL); ApplicationServiceAppstorePrivate * priv = APPLICATION_SERVICE_APPSTORE_GET_PRIVATE (appstore); Approver * approver = g_new0(Approver, 1); approver->appstore = appstore; approver->proxy_cancel = NULL; approver->proxy = NULL; approver->name_watcher = 0; approver->proxy_cancel = g_cancellable_new(); g_dbus_proxy_new_for_bus(G_BUS_TYPE_SESSION, G_DBUS_PROXY_FLAGS_NONE, NULL, dbus_name, dbus_object, NOTIFICATION_APPROVER_DBUS_IFACE, approver->proxy_cancel, approver_proxy_cb, approver); priv->approvers = g_list_prepend(priv->approvers, approver); return; } static void approver_name_changed (GDBusConnection * connection, const gchar * sender_name, const gchar * object_path, const gchar * interface_name, const gchar * signal_name, GVariant * parameters, gpointer user_data) { Approver * approver = (Approver *)user_data; ApplicationServiceAppstore * appstore = approver->appstore; const gchar * new_name; g_variant_get(parameters, "(&s&s&s)", NULL, NULL, &new_name); if (new_name == NULL || new_name[0] == 0) { appstore->priv->approvers = g_list_remove(appstore->priv->approvers, approver); approver_free(approver, appstore); } } /* Callback from trying to create the proxy for the approver. */ static void approver_proxy_cb (GObject * object, GAsyncResult * res, gpointer user_data) { GError * error = NULL; Approver * approver = (Approver *)user_data; g_return_if_fail(approver != NULL); GDBusProxy * proxy = g_dbus_proxy_new_for_bus_finish(res, &error); if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) { g_error_free (error); return; // Must exit before accessing freed memory } ApplicationServiceAppstorePrivate * priv = APPLICATION_SERVICE_APPSTORE_GET_PRIVATE (approver->appstore); if (approver->proxy_cancel != NULL) { g_object_unref(approver->proxy_cancel); approver->proxy_cancel = NULL; } if (error != NULL) { g_critical("Could not grab DBus proxy for approver: %s", error->message); g_error_free(error); return; } /* Okay, we're good to grab the proxy at this point, we're sure that it's ours. */ approver->proxy = proxy; /* We've got it, let's watch it for destruction */ approver->name_watcher = g_dbus_connection_signal_subscribe( g_dbus_proxy_get_connection(proxy), "org.freedesktop.DBus", "org.freedesktop.DBus", "NameOwnerChanged", "/org/freedesktop/DBus", g_dbus_proxy_get_name(proxy), G_DBUS_SIGNAL_FLAGS_NONE, approver_name_changed, approver, NULL); g_signal_connect(proxy, "g-signal", G_CALLBACK(approver_receive_signal), approver); g_list_foreach(priv->applications, check_with_new_approver, approver); return; } /* Receives all signals from the service, routed to the appropriate functions */ static void approver_receive_signal (GDBusProxy * proxy, gchar * sender_name, gchar * signal_name, GVariant * parameters, gpointer user_data) { Approver * approver = (Approver *)user_data; if (g_strcmp0(signal_name, "ReviseJudgement") == 0) { gboolean approved; const gchar * address; const gchar * path; g_variant_get(parameters, "(b&s&o)", &approved, &address, &path); approver_revise_judgement(approver, approved, address, path); } return; }