345 lines
10 KiB
C
345 lines
10 KiB
C
/*
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* Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
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* Copyright (C) 2011 Red Hat, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* SECTION:eekboard-client
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* @short_description: D-Bus proxy of eekboard-server
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*
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* The #EekboardClient class provides a client side access to eekboard-server.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif /* HAVE_CONFIG_H */
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#include "eekboard/eekboard-client.h"
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enum {
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DESTROYED,
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL] = { 0, };
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G_DEFINE_TYPE (EekboardClient, eekboard_client, G_TYPE_DBUS_PROXY);
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#define EEKBOARD_CLIENT_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((obj), EEKBOARD_TYPE_CLIENT, EekboardClientPrivate))
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struct _EekboardClientPrivate
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{
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GHashTable *context_hash;
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};
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static void
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eekboard_client_real_destroyed (EekboardClient *self)
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{
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EekboardClientPrivate *priv = EEKBOARD_CLIENT_GET_PRIVATE(self);
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// g_debug ("eekboard_client_real_destroyed");
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g_hash_table_remove_all (priv->context_hash);
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}
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static void
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eekboard_client_dispose (GObject *object)
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{
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EekboardClientPrivate *priv = EEKBOARD_CLIENT_GET_PRIVATE(object);
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if (priv->context_hash) {
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g_hash_table_destroy (priv->context_hash);
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priv->context_hash = NULL;
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}
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G_OBJECT_CLASS (eekboard_client_parent_class)->dispose (object);
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}
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static void
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eekboard_client_class_init (EekboardClientClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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g_type_class_add_private (gobject_class,
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sizeof (EekboardClientPrivate));
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klass->destroyed = eekboard_client_real_destroyed;
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gobject_class->dispose = eekboard_client_dispose;
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/**
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* EekboardClient::destroyed:
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* @eekboard: an #EekboardClient
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*
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* The ::destroyed signal is emitted each time the name of remote
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* end is vanished.
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*/
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signals[DESTROYED] =
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g_signal_new (I_("destroyed"),
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G_TYPE_FROM_CLASS(gobject_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET(EekboardClientClass, destroyed),
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NULL,
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NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE,
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0);
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}
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static void
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eekboard_client_init (EekboardClient *self)
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{
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EekboardClientPrivate *priv;
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priv = self->priv = EEKBOARD_CLIENT_GET_PRIVATE(self);
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priv->context_hash =
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g_hash_table_new_full (g_str_hash,
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g_str_equal,
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(GDestroyNotify)g_free,
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(GDestroyNotify)g_object_unref);
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}
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static void
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eekboard_name_vanished_callback (GDBusConnection *connection,
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const gchar *name,
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gpointer user_data)
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{
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EekboardClient *eekboard = user_data;
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g_signal_emit_by_name (eekboard, "destroyed", NULL);
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}
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/**
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* eekboard_client_new:
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* @connection: a #GDBusConnection
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* @cancellable: a #GCancellable
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*
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* Create a D-Bus proxy of eekboard-eekboard.
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*/
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EekboardClient *
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eekboard_client_new (GDBusConnection *connection,
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GCancellable *cancellable)
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{
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GInitable *initable;
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GError *error;
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g_assert (G_IS_DBUS_CONNECTION(connection));
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error = NULL;
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initable =
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g_initable_new (EEKBOARD_TYPE_CLIENT,
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cancellable,
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&error,
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"g-connection", connection,
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"g-name", "org.fedorahosted.Eekboard",
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"g-interface-name", "org.fedorahosted.Eekboard",
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"g-object-path", "/org/fedorahosted/Eekboard",
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NULL);
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if (initable != NULL) {
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EekboardClient *eekboard = EEKBOARD_CLIENT (initable);
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gchar *name_owner = g_dbus_proxy_get_name_owner (G_DBUS_PROXY(eekboard));
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if (name_owner == NULL) {
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g_object_unref (eekboard);
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return NULL;
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}
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/* the vanished callback is called when the server is disconnected */
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g_bus_watch_name_on_connection (connection,
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name_owner,
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G_BUS_NAME_WATCHER_FLAGS_NONE,
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NULL,
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eekboard_name_vanished_callback,
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eekboard,
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NULL);
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g_free (name_owner);
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return eekboard;
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}
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return NULL;
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}
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static void
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on_context_destroyed (EekboardContext *context,
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gpointer user_data)
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{
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EekboardClient *eekboard = user_data;
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EekboardClientPrivate *priv = EEKBOARD_CLIENT_GET_PRIVATE(eekboard);
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g_hash_table_remove (priv->context_hash,
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g_dbus_proxy_get_object_path (G_DBUS_PROXY(context)));
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}
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/**
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* eekboard_client_create_context:
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* @eekboard: an #EekboardClient
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* @client_name: name of the client
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* @cancellable: a #GCancellable
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*
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* Create a new input context.
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*
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* Return value: (transfer full): a newly created #EekboardContext.
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*/
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EekboardContext *
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eekboard_client_create_context (EekboardClient *eekboard,
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const gchar *client_name,
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GCancellable *cancellable)
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{
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GVariant *variant;
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const gchar *object_path;
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EekboardContext *context;
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EekboardClientPrivate *priv;
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GError *error;
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GDBusConnection *connection;
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g_assert (EEKBOARD_IS_EEKBOARD(eekboard));
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g_assert (client_name);
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error = NULL;
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variant = g_dbus_proxy_call_sync (G_DBUS_PROXY(eekboard),
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"CreateContext",
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g_variant_new ("(s)", client_name),
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G_DBUS_CALL_FLAGS_NONE,
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-1,
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cancellable,
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&error);
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if (!variant)
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return NULL;
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g_variant_get (variant, "(&s)", &object_path);
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connection = g_dbus_proxy_get_connection (G_DBUS_PROXY(eekboard));
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context = eekboard_context_new (connection, object_path, cancellable);
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if (!context) {
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g_variant_unref (variant);
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return NULL;
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}
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priv = EEKBOARD_CLIENT_GET_PRIVATE(eekboard);
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g_hash_table_insert (priv->context_hash,
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g_strdup (object_path),
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g_object_ref (context));
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g_signal_connect (context, "destroyed",
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G_CALLBACK(on_context_destroyed), eekboard);
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return context;
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}
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static void
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eekboard_async_ready_callback (GObject *source_object,
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GAsyncResult *res,
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gpointer user_data)
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{
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GError *error = NULL;
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GVariant *result;
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result = g_dbus_proxy_call_finish (G_DBUS_PROXY(source_object),
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res,
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&error);
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if (result)
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g_variant_unref (result);
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}
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/**
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* eekboard_client_push_context:
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* @eekboard: an #EekboardClient
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* @context: an #EekboardContext
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* @cancellable: a #GCancellable
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*
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* Enable the input context @context and disable the others.
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*/
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void
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eekboard_client_push_context (EekboardClient *eekboard,
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EekboardContext *context,
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GCancellable *cancellable)
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{
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EekboardClientPrivate *priv;
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const gchar *object_path;
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g_return_if_fail (EEKBOARD_IS_EEKBOARD(eekboard));
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g_return_if_fail (EEKBOARD_IS_CONTEXT(context));
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object_path = g_dbus_proxy_get_object_path (G_DBUS_PROXY(context));
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priv = EEKBOARD_CLIENT_GET_PRIVATE(eekboard);
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context = g_hash_table_lookup (priv->context_hash, object_path);
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if (!context)
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return;
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eekboard_context_set_enabled (context, TRUE);
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g_dbus_proxy_call (G_DBUS_PROXY(eekboard),
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"PushContext",
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g_variant_new ("(s)", object_path),
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G_DBUS_CALL_FLAGS_NONE,
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-1,
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cancellable,
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eekboard_async_ready_callback,
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NULL);
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}
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/**
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* eekboard_client_pop_context:
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* @eekboard: an #EekboardClient
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* @cancellable: a #GCancellable
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*
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* Disable the current input context and enable the previous one.
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*/
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void
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eekboard_client_pop_context (EekboardClient *eekboard,
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GCancellable *cancellable)
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{
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g_return_if_fail (EEKBOARD_IS_EEKBOARD(eekboard));
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g_dbus_proxy_call (G_DBUS_PROXY(eekboard),
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"PopContext",
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NULL,
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G_DBUS_CALL_FLAGS_NONE,
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-1,
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cancellable,
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eekboard_async_ready_callback,
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NULL);
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}
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/**
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* eekboard_client_destroy_context:
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* @eekboard: an #EekboardClient
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* @context: an #EekboardContext
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* @cancellable: a #GCancellable
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*
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* Remove @context from @eekboard.
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*/
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void
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eekboard_client_destroy_context (EekboardClient *eekboard,
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EekboardContext *context,
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GCancellable *cancellable)
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{
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EekboardClientPrivate *priv;
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const gchar *object_path;
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g_return_if_fail (EEKBOARD_IS_EEKBOARD(eekboard));
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g_return_if_fail (EEKBOARD_IS_CONTEXT(context));
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priv = EEKBOARD_CLIENT_GET_PRIVATE(eekboard);
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object_path = g_dbus_proxy_get_object_path (G_DBUS_PROXY(context));
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g_hash_table_remove (priv->context_hash, object_path);
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g_dbus_proxy_call (G_DBUS_PROXY(eekboard),
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"DestroyContext",
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g_variant_new ("(s)", object_path),
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G_DBUS_CALL_FLAGS_NONE,
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-1,
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cancellable,
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eekboard_async_ready_callback,
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NULL);
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}
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