Files
squeekboard/eekboard/eekboard-eekboard.c
2011-03-03 12:23:31 +09:00

341 lines
10 KiB
C

/*
* Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
* Copyright (C) 2011 Red Hat, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY 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/>.
*/
/**
* SECTION:eekboard-eekboard
* @short_description: D-Bus proxy of eekboard-server
*
* The #EekboardEekboard class provides a client side access to eekboard-server.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include "eekboard/eekboard-eekboard.h"
enum {
DESTROYED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0, };
G_DEFINE_TYPE (EekboardEekboard, eekboard_eekboard, G_TYPE_DBUS_PROXY);
#define EEKBOARD_EEKBOARD_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), EEKBOARD_TYPE_EEKBOARD, EekboardEekboardPrivate))
struct _EekboardEekboardPrivate
{
GHashTable *context_hash;
};
static void
eekboard_eekboard_real_destroyed (EekboardEekboard *self)
{
EekboardEekboardPrivate *priv = EEKBOARD_EEKBOARD_GET_PRIVATE(self);
// g_debug ("eekboard_eekboard_real_destroyed");
g_hash_table_remove_all (priv->context_hash);
}
static void
eekboard_eekboard_dispose (GObject *object)
{
EekboardEekboardPrivate *priv = EEKBOARD_EEKBOARD_GET_PRIVATE(object);
if (priv->context_hash) {
g_hash_table_destroy (priv->context_hash);
priv->context_hash = NULL;
}
G_OBJECT_CLASS (eekboard_eekboard_parent_class)->dispose (object);
}
static void
eekboard_eekboard_class_init (EekboardEekboardClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (gobject_class,
sizeof (EekboardEekboardPrivate));
klass->destroyed = eekboard_eekboard_real_destroyed;
gobject_class->dispose = eekboard_eekboard_dispose;
/**
* EekboardEekboard::destroyed:
* @eekboard: an #EekboardEekboard
*
* The ::destroyed signal is emitted each time the name of remote
* end is vanished.
*/
signals[DESTROYED] =
g_signal_new (I_("destroyed"),
G_TYPE_FROM_CLASS(gobject_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(EekboardEekboardClass, destroyed),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
}
static void
eekboard_eekboard_init (EekboardEekboard *self)
{
EekboardEekboardPrivate *priv;
priv = self->priv = EEKBOARD_EEKBOARD_GET_PRIVATE(self);
priv->context_hash =
g_hash_table_new_full (g_str_hash,
g_str_equal,
(GDestroyNotify)g_free,
(GDestroyNotify)g_object_unref);
}
static void
eekboard_name_vanished_callback (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
EekboardEekboard *eekboard = user_data;
g_signal_emit_by_name (eekboard, "destroyed", NULL);
}
/**
* eekboard_eekboard_new:
* @connection: a #GDBusConnection
* @cancellable: a #GCancellable
*
* Create a D-Bus proxy of eekboard-eekboard.
*/
EekboardEekboard *
eekboard_eekboard_new (GDBusConnection *connection,
GCancellable *cancellable)
{
GInitable *initable;
GError *error;
g_assert (G_IS_DBUS_CONNECTION(connection));
error = NULL;
initable =
g_initable_new (EEKBOARD_TYPE_EEKBOARD,
cancellable,
&error,
"g-connection", connection,
"g-name", "com.redhat.Eekboard.Server",
"g-interface-name", "com.redhat.Eekboard.Server",
"g-object-path", "/com/redhat/Eekboard/Server",
NULL);
if (initable != NULL) {
EekboardEekboard *eekboard = EEKBOARD_EEKBOARD (initable);
gchar *name_owner = g_dbus_proxy_get_name_owner (G_DBUS_PROXY(eekboard));
if (name_owner == NULL) {
g_object_unref (eekboard);
return NULL;
}
g_bus_watch_name_on_connection (connection,
name_owner,
G_BUS_NAME_WATCHER_FLAGS_NONE,
NULL,
eekboard_name_vanished_callback,
eekboard,
NULL);
return eekboard;
}
return NULL;
}
static void
on_context_destroyed (EekboardContext *context,
gpointer user_data)
{
EekboardEekboard *eekboard = user_data;
EekboardEekboardPrivate *priv = EEKBOARD_EEKBOARD_GET_PRIVATE(eekboard);
g_hash_table_remove (priv->context_hash,
g_dbus_proxy_get_object_path (G_DBUS_PROXY(context)));
}
/**
* eekboard_eekboard_create_context:
* @eekboard: an #EekboardEekboard
* @client_name: name of the client
* @cancellable: a #GCancellable
*
* Create a new input context.
*/
EekboardContext *
eekboard_eekboard_create_context (EekboardEekboard *eekboard,
const gchar *client_name,
GCancellable *cancellable)
{
GVariant *variant;
const gchar *object_path;
EekboardContext *context;
EekboardEekboardPrivate *priv;
GError *error;
GDBusConnection *connection;
g_assert (EEKBOARD_IS_EEKBOARD(eekboard));
g_assert (client_name);
error = NULL;
variant = g_dbus_proxy_call_sync (G_DBUS_PROXY(eekboard),
"CreateContext",
g_variant_new ("(s)", client_name),
G_DBUS_CALL_FLAGS_NONE,
-1,
cancellable,
&error);
if (!variant)
return NULL;
g_variant_get (variant, "(&s)", &object_path);
connection = g_dbus_proxy_get_connection (G_DBUS_PROXY(eekboard));
context = eekboard_context_new (connection, object_path, cancellable);
if (!context) {
g_variant_unref (variant);
return NULL;
}
priv = EEKBOARD_EEKBOARD_GET_PRIVATE(eekboard);
g_hash_table_insert (priv->context_hash,
g_strdup (object_path),
g_object_ref (context));
g_signal_connect (context, "destroyed",
G_CALLBACK(on_context_destroyed), eekboard);
return context;
}
static void
eekboard_async_ready_callback (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
GError *error = NULL;
GVariant *result;
result = g_dbus_proxy_call_finish (G_DBUS_PROXY(source_object),
res,
&error);
if (result)
g_variant_unref (result);
}
/**
* eekboard_eekboard_push_context:
* @eekboard: an #EekboardEekboard
* @context: an #EekboardContext
* @cancellable: a #GCancellable
*
* Enable the input context @context and disable the others.
*/
void
eekboard_eekboard_push_context (EekboardEekboard *eekboard,
EekboardContext *context,
GCancellable *cancellable)
{
EekboardEekboardPrivate *priv;
const gchar *object_path;
g_return_if_fail (EEKBOARD_IS_EEKBOARD(eekboard));
g_return_if_fail (EEKBOARD_IS_CONTEXT(context));
object_path = g_dbus_proxy_get_object_path (G_DBUS_PROXY(context));
priv = EEKBOARD_EEKBOARD_GET_PRIVATE(eekboard);
context = g_hash_table_lookup (priv->context_hash, object_path);
if (!context)
return;
eekboard_context_set_enabled (context, TRUE);
g_dbus_proxy_call (G_DBUS_PROXY(eekboard),
"PushContext",
g_variant_new ("(s)", object_path),
G_DBUS_CALL_FLAGS_NONE,
-1,
cancellable,
eekboard_async_ready_callback,
NULL);
}
/**
* eekboard_eekboard_pop_context:
* @eekboard: an #EekboardEekboard
* @cancellable: a #GCancellable
*
* Disable the current input context and enable the previous one.
*/
void
eekboard_eekboard_pop_context (EekboardEekboard *eekboard,
GCancellable *cancellable)
{
g_return_if_fail (EEKBOARD_IS_EEKBOARD(eekboard));
g_dbus_proxy_call (G_DBUS_PROXY(eekboard),
"PopContext",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
cancellable,
eekboard_async_ready_callback,
NULL);
}
/**
* eekboard_eekboard_destroy_context:
* @eekboard: an #EekboardEekboard
* @context: an #EekboardContext
* @cancellable: a #GCancellable
*
* Remove @context from @eekboard.
*/
void
eekboard_eekboard_destroy_context (EekboardEekboard *eekboard,
EekboardContext *context,
GCancellable *cancellable)
{
EekboardEekboardPrivate *priv;
const gchar *object_path;
g_return_if_fail (EEKBOARD_IS_EEKBOARD(eekboard));
g_return_if_fail (EEKBOARD_IS_CONTEXT(context));
priv = EEKBOARD_EEKBOARD_GET_PRIVATE(eekboard);
object_path = g_dbus_proxy_get_object_path (G_DBUS_PROXY(context));
g_hash_table_remove (priv->context_hash, object_path);
g_dbus_proxy_call (G_DBUS_PROXY(eekboard),
"DestroyContext",
g_variant_new ("(s)", object_path),
G_DBUS_CALL_FLAGS_NONE,
-1,
cancellable,
eekboard_async_ready_callback,
NULL);
}