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Diffstat (limited to 'src/status-provider-mc5.c')
| -rw-r--r-- | src/status-provider-mc5.c | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/src/status-provider-mc5.c b/src/status-provider-mc5.c new file mode 100644 index 0000000..e70496c --- /dev/null +++ b/src/status-provider-mc5.c @@ -0,0 +1,308 @@ +/* +A small wrapper utility to load indicators and put them as menu items +into the gnome-panel using it's applet interface. + +Copyright 2009 Canonical Ltd. + +Authors: + Ted Gould <ted@canonical.com> + +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 <http://www.gnu.org/licenses/>. +*/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <telepathy-glib/account-manager.h> + +#include "status-provider.h" +#include "status-provider-mc5.h" +#include "status-provider-mc5-marshal.h" + +#include <dbus/dbus-glib.h> +#include <dbus/dbus-glib-bindings.h> + +static gchar * sp_to_mc_map[STATUS_PROVIDER_STATUS_LAST] = { + /* STATUS_PROVIDER_STATUS_ONLINE, */ "available", + /* STATUS_PROVIDER_STATUS_AWAY, */ "away", + /* STATUS_PROVIDER_STATUS_DND */ "busy", + /* STATUS_PROVIDER_STATUS_INVISIBLE*/ "hidden", + /* STATUS_PROVIDER_STATUS_OFFLINE */ "offline", + /* STATUS_PROVIDER_STATUS_DISCONNECTED*/NULL +}; + +static TpConnectionPresenceType sp_to_tp_map[STATUS_PROVIDER_STATUS_LAST] = { + /* STATUS_PROVIDER_STATUS_ONLINE, */ TP_CONNECTION_PRESENCE_TYPE_AVAILABLE, + /* STATUS_PROVIDER_STATUS_AWAY, */ TP_CONNECTION_PRESENCE_TYPE_AWAY, + /* STATUS_PROVIDER_STATUS_DND */ TP_CONNECTION_PRESENCE_TYPE_BUSY, + /* STATUS_PROVIDER_STATUS_INVISIBLE*/ TP_CONNECTION_PRESENCE_TYPE_HIDDEN, + /* STATUS_PROVIDER_STATUS_OFFLINE */ TP_CONNECTION_PRESENCE_TYPE_OFFLINE, + /* STATUS_PROVIDER_STATUS_DISCONNECTED*/ TP_CONNECTION_PRESENCE_TYPE_UNSET +}; + +static StatusProviderStatus tp_to_sp_map[TP_CONNECTION_PRESENCE_TYPE_ERROR + 1] = { + /* TP_CONNECTION_PRESENCE_TYPE_UNSET */ STATUS_PROVIDER_STATUS_DISCONNECTED, + /* TP_CONNECTION_PRESENCE_TYPE_OFFLINE */ STATUS_PROVIDER_STATUS_OFFLINE, + /* TP_CONNECTION_PRESENCE_TYPE_AVAILABLE */ STATUS_PROVIDER_STATUS_ONLINE, + /* TP_CONNECTION_PRESENCE_TYPE_AWAY */ STATUS_PROVIDER_STATUS_AWAY, + /* TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY */ STATUS_PROVIDER_STATUS_AWAY, + /* TP_CONNECTION_PRESENCE_TYPE_HIDDEN */ STATUS_PROVIDER_STATUS_INVISIBLE, + /* TP_CONNECTION_PRESENCE_TYPE_BUSY */ STATUS_PROVIDER_STATUS_DND, + /* TP_CONNECTION_PRESENCE_TYPE_UNKNOWN */ STATUS_PROVIDER_STATUS_DISCONNECTED, + /* TP_CONNECTION_PRESENCE_TYPE_ERROR */ STATUS_PROVIDER_STATUS_DISCONNECTED +}; + +typedef struct _StatusProviderMC5Private StatusProviderMC5Private; +struct _StatusProviderMC5Private { + TpAccountManager * manager; + StatusProviderStatus status; + DBusGProxy * dbus_proxy; +}; + +#define STATUS_PROVIDER_MC5_GET_PRIVATE(o) \ +(G_TYPE_INSTANCE_GET_PRIVATE ((o), STATUS_PROVIDER_MC5_TYPE, StatusProviderMC5Private)) +#define MC5_WELL_KNOWN_NAME "org.freedesktop.Telepathy.AccountManager" + +/* Prototypes */ +/* GObject stuff */ +static void status_provider_mc5_class_init (StatusProviderMC5Class *klass); +static void status_provider_mc5_init (StatusProviderMC5 *self); +static void status_provider_mc5_dispose (GObject *object); +static void status_provider_mc5_finalize (GObject *object); +/* Internal Funcs */ +static void set_status (StatusProvider * sp, StatusProviderStatus status); +static StatusProviderStatus get_status (StatusProvider * sp); +static void presence_changed (TpAccountManager * eam, guint type, const gchar * type_str, const gchar * message, StatusProviderMC5 * sp); +static void dbus_namechange (DBusGProxy * proxy, const gchar * name, const gchar * prev, const gchar * new, StatusProviderMC5 * self); +static void mc5_exists_cb (DBusGProxy * proxy, gboolean exists, GError * error, gpointer userdata); + +G_DEFINE_TYPE (StatusProviderMC5, status_provider_mc5, STATUS_PROVIDER_TYPE); + +STATUS_PROVIDER_EXPORT_TYPE(STATUS_PROVIDER_MC5_TYPE) + +/* Create the class. We over ride a few functions but nothing + really shocking. Most interesting is the set and get status. */ +static void +status_provider_mc5_class_init (StatusProviderMC5Class *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + g_type_class_add_private (klass, sizeof (StatusProviderMC5Private)); + + object_class->dispose = status_provider_mc5_dispose; + object_class->finalize = status_provider_mc5_finalize; + + StatusProviderClass * spclass = STATUS_PROVIDER_CLASS(klass); + + spclass->set_status = set_status; + spclass->get_status = get_status; + + return; +} + +/* Build our telepathy account manager instance if we don't + have one. */ +static void +build_eam (StatusProviderMC5 * self) +{ + StatusProviderMC5Private * priv = STATUS_PROVIDER_MC5_GET_PRIVATE(self); + + if (priv->manager != NULL) { + return; + } + + priv->manager = tp_account_manager_dup(); + g_signal_connect(G_OBJECT(priv->manager), "most-available-presence-changed", G_CALLBACK(presence_changed), self); + + return; +} + +/* Creating an instance of the status provider. We set the variables + and create an TpAccountManager object. It does all the hard + work in this module of tracking MissionControl and enumerating the + accounts and all that jazz. */ +static void +status_provider_mc5_init (StatusProviderMC5 *self) +{ + StatusProviderMC5Private * priv = STATUS_PROVIDER_MC5_GET_PRIVATE(self); + + priv->status = STATUS_PROVIDER_STATUS_DISCONNECTED; + priv->manager = NULL; + + DBusGConnection * bus = dbus_g_bus_get(DBUS_BUS_SESSION, NULL); + g_return_if_fail(bus != NULL); /* Can't do anymore DBus stuff without this, + all non-DBus stuff should be done */ + + GError * error = NULL; + + /* Set up the dbus Proxy */ + priv->dbus_proxy = dbus_g_proxy_new_for_name_owner (bus, + DBUS_SERVICE_DBUS, + DBUS_PATH_DBUS, + DBUS_INTERFACE_DBUS, + &error); + if (error != NULL) { + g_warning("Unable to connect to DBus events: %s", error->message); + g_error_free(error); + return; + } + + /* Configure the name owner changing */ + dbus_g_proxy_add_signal(priv->dbus_proxy, "NameOwnerChanged", + G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, + G_TYPE_INVALID); + dbus_g_proxy_connect_signal(priv->dbus_proxy, "NameOwnerChanged", + G_CALLBACK(dbus_namechange), + self, NULL); + + org_freedesktop_DBus_name_has_owner_async(priv->dbus_proxy, MC5_WELL_KNOWN_NAME, mc5_exists_cb, self); + + return; +} + +/* Unref the account manager and move on. Sadly, we're + leaving the show. */ +static void +status_provider_mc5_dispose (GObject *object) +{ + StatusProviderMC5Private * priv = STATUS_PROVIDER_MC5_GET_PRIVATE(object); + + if (priv->manager != NULL) { + g_object_unref(priv->manager); + priv->manager = NULL; + } + + if (priv->dbus_proxy != NULL) { + g_object_unref(priv->dbus_proxy); + priv->dbus_proxy = NULL; + } + + G_OBJECT_CLASS (status_provider_mc5_parent_class)->dispose (object); + return; +} + +/* Pass to superclass */ +static void +status_provider_mc5_finalize (GObject *object) +{ + + G_OBJECT_CLASS (status_provider_mc5_parent_class)->finalize (object); + return; +} + +/* Watch for MC5 Coming on and off the bus. */ +static void +dbus_namechange (DBusGProxy * proxy, const gchar * name, const gchar * prev, const gchar * new, StatusProviderMC5 * self) +{ + /* g_debug("DBUS NAMECHANGE: %s %s %s", name, prev, new); */ + + if (prev[0] == '\0' && g_strcmp0(name, MC5_WELL_KNOWN_NAME) == 0) { + g_debug("MC5 Coming online"); + build_eam(self); + } + if (new[0] == '\0' && g_strcmp0(name, MC5_WELL_KNOWN_NAME) == 0) { + g_debug("MC5 going offline"); + StatusProviderMC5Private * priv = STATUS_PROVIDER_MC5_GET_PRIVATE(self); + if (priv->manager != NULL) { + g_object_unref(priv->manager); + priv->manager = NULL; + } + + priv->status = STATUS_PROVIDER_STATUS_DISCONNECTED; + g_signal_emit(G_OBJECT(self), STATUS_PROVIDER_SIGNAL_STATUS_CHANGED_ID, 0, priv->status, TRUE); + } + + return; +} + +/* Callback for the Dbus command to do HasOwner on + the MC5 service. If it exists, we want to have an + account manager. */ +static void +mc5_exists_cb (DBusGProxy * proxy, gboolean exists, GError * error, gpointer userdata) +{ + if (error) { + g_warning("Unable to check if MC5 is running: %s", error->message); + return; + } + + if (exists) { + build_eam(STATUS_PROVIDER_MC5(userdata)); + } + + return; +} + +/** + status_provider_mc5_new: + + Creates a new #StatusProviderMC5 object. No parameters or anything + like that. Just a convience function. + + Return value: A new instance of #StatusProviderMC5 +*/ +StatusProvider * +status_provider_mc5_new (void) +{ + return STATUS_PROVIDER(g_object_new(STATUS_PROVIDER_MC5_TYPE, NULL)); +} + +/* Setting the status in the empathy account manager. We're + basically requesting a global status. This may or may not + get applied to all accounts. It's really the best we can + hope to do. */ +static void +set_status (StatusProvider * sp, StatusProviderStatus status) +{ + StatusProviderMC5Private * priv = STATUS_PROVIDER_MC5_GET_PRIVATE(sp); + + build_eam(STATUS_PROVIDER_MC5(sp)); + tp_account_manager_set_all_requested_presences(priv->manager, sp_to_tp_map[status], sp_to_mc_map[status], ""); + + return; +} + +/* Gets the status, uses the cached value that we have. Asking + would just be painful. */ +static StatusProviderStatus +get_status (StatusProvider * sp) +{ + g_return_val_if_fail(IS_STATUS_PROVIDER_MC5(sp), STATUS_PROVIDER_STATUS_DISCONNECTED); + StatusProviderMC5Private * priv = STATUS_PROVIDER_MC5_GET_PRIVATE(sp); + + if (priv->manager == NULL) { + return STATUS_PROVIDER_STATUS_DISCONNECTED; + } + + return priv->status; +} + +/* A signal handler for when the TpAccountManager believes + that the global status has changed. It roughly calculates this + by finding the most available of all accounts that are active. */ +static void +presence_changed (TpAccountManager * eam, guint type, const gchar * type_str, const gchar * message, StatusProviderMC5 * sp) +{ + StatusProviderMC5Private * priv = STATUS_PROVIDER_MC5_GET_PRIVATE(sp); + + g_debug("MC5 Status changed: %d %s %s", type, type_str, message); + + if (priv->status != tp_to_sp_map[type]) { + priv->status = tp_to_sp_map[type]; + g_signal_emit(G_OBJECT(sp), STATUS_PROVIDER_SIGNAL_STATUS_CHANGED_ID, 0, priv->status, TRUE); + } + + return; +} + |