Revamp server-client API.
This commit is contained in:
Daiki Ueno
344
eekboard/eekboard-client.c
Normal file
344
eekboard/eekboard-client.c
Normal file
@ -0,0 +1,344 @@
|
||||
/*
|
||||
* 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-client
|
||||
* @short_description: D-Bus proxy of eekboard-server
|
||||
*
|
||||
* The #EekboardClient class provides a client side access to eekboard-server.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif /* HAVE_CONFIG_H */
|
||||
|
||||
#include "eekboard/eekboard-client.h"
|
||||
|
||||
enum {
|
||||
DESTROYED,
|
||||
LAST_SIGNAL
|
||||
};
|
||||
|
||||
static guint signals[LAST_SIGNAL] = { 0, };
|
||||
|
||||
G_DEFINE_TYPE (EekboardClient, eekboard_client, G_TYPE_DBUS_PROXY);
|
||||
|
||||
#define EEKBOARD_CLIENT_GET_PRIVATE(obj) \
|
||||
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), EEKBOARD_TYPE_CLIENT, EekboardClientPrivate))
|
||||
|
||||
struct _EekboardClientPrivate
|
||||
{
|
||||
GHashTable *context_hash;
|
||||
};
|
||||
|
||||
static void
|
||||
eekboard_client_real_destroyed (EekboardClient *self)
|
||||
{
|
||||
EekboardClientPrivate *priv = EEKBOARD_CLIENT_GET_PRIVATE(self);
|
||||
|
||||
// g_debug ("eekboard_client_real_destroyed");
|
||||
g_hash_table_remove_all (priv->context_hash);
|
||||
}
|
||||
|
||||
static void
|
||||
eekboard_client_dispose (GObject *object)
|
||||
{
|
||||
EekboardClientPrivate *priv = EEKBOARD_CLIENT_GET_PRIVATE(object);
|
||||
|
||||
if (priv->context_hash) {
|
||||
g_hash_table_destroy (priv->context_hash);
|
||||
priv->context_hash = NULL;
|
||||
}
|
||||
|
||||
G_OBJECT_CLASS (eekboard_client_parent_class)->dispose (object);
|
||||
}
|
||||
|
||||
static void
|
||||
eekboard_client_class_init (EekboardClientClass *klass)
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||||
|
||||
g_type_class_add_private (gobject_class,
|
||||
sizeof (EekboardClientPrivate));
|
||||
|
||||
klass->destroyed = eekboard_client_real_destroyed;
|
||||
|
||||
gobject_class->dispose = eekboard_client_dispose;
|
||||
|
||||
/**
|
||||
* EekboardClient::destroyed:
|
||||
* @eekboard: an #EekboardClient
|
||||
*
|
||||
* 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(EekboardClientClass, destroyed),
|
||||
NULL,
|
||||
NULL,
|
||||
g_cclosure_marshal_VOID__VOID,
|
||||
G_TYPE_NONE,
|
||||
0);
|
||||
}
|
||||
|
||||
static void
|
||||
eekboard_client_init (EekboardClient *self)
|
||||
{
|
||||
EekboardClientPrivate *priv;
|
||||
|
||||
priv = self->priv = EEKBOARD_CLIENT_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)
|
||||
{
|
||||
EekboardClient *eekboard = user_data;
|
||||
g_signal_emit_by_name (eekboard, "destroyed", NULL);
|
||||
}
|
||||
|
||||
/**
|
||||
* eekboard_client_new:
|
||||
* @connection: a #GDBusConnection
|
||||
* @cancellable: a #GCancellable
|
||||
*
|
||||
* Create a D-Bus proxy of eekboard-eekboard.
|
||||
*/
|
||||
EekboardClient *
|
||||
eekboard_client_new (GDBusConnection *connection,
|
||||
GCancellable *cancellable)
|
||||
{
|
||||
GInitable *initable;
|
||||
GError *error;
|
||||
|
||||
g_assert (G_IS_DBUS_CONNECTION(connection));
|
||||
|
||||
error = NULL;
|
||||
initable =
|
||||
g_initable_new (EEKBOARD_TYPE_CLIENT,
|
||||
cancellable,
|
||||
&error,
|
||||
"g-connection", connection,
|
||||
"g-name", "org.fedorahosted.Eekboard",
|
||||
"g-interface-name", "org.fedorahosted.Eekboard",
|
||||
"g-object-path", "/org/fedorahosted/Eekboard",
|
||||
NULL);
|
||||
if (initable != NULL) {
|
||||
EekboardClient *eekboard = EEKBOARD_CLIENT (initable);
|
||||
gchar *name_owner = g_dbus_proxy_get_name_owner (G_DBUS_PROXY(eekboard));
|
||||
if (name_owner == NULL) {
|
||||
g_object_unref (eekboard);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* the vanished callback is called when the server is disconnected */
|
||||
g_bus_watch_name_on_connection (connection,
|
||||
name_owner,
|
||||
G_BUS_NAME_WATCHER_FLAGS_NONE,
|
||||
NULL,
|
||||
eekboard_name_vanished_callback,
|
||||
eekboard,
|
||||
NULL);
|
||||
g_free (name_owner);
|
||||
|
||||
return eekboard;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void
|
||||
on_context_destroyed (EekboardContext *context,
|
||||
gpointer user_data)
|
||||
{
|
||||
EekboardClient *eekboard = user_data;
|
||||
EekboardClientPrivate *priv = EEKBOARD_CLIENT_GET_PRIVATE(eekboard);
|
||||
|
||||
g_hash_table_remove (priv->context_hash,
|
||||
g_dbus_proxy_get_object_path (G_DBUS_PROXY(context)));
|
||||
}
|
||||
|
||||
/**
|
||||
* eekboard_client_create_context:
|
||||
* @eekboard: an #EekboardClient
|
||||
* @client_name: name of the client
|
||||
* @cancellable: a #GCancellable
|
||||
*
|
||||
* Create a new input context.
|
||||
*
|
||||
* Return value: (transfer full): a newly created #EekboardContext.
|
||||
*/
|
||||
EekboardContext *
|
||||
eekboard_client_create_context (EekboardClient *eekboard,
|
||||
const gchar *client_name,
|
||||
GCancellable *cancellable)
|
||||
{
|
||||
GVariant *variant;
|
||||
const gchar *object_path;
|
||||
EekboardContext *context;
|
||||
EekboardClientPrivate *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_CLIENT_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_client_push_context:
|
||||
* @eekboard: an #EekboardClient
|
||||
* @context: an #EekboardContext
|
||||
* @cancellable: a #GCancellable
|
||||
*
|
||||
* Enable the input context @context and disable the others.
|
||||
*/
|
||||
void
|
||||
eekboard_client_push_context (EekboardClient *eekboard,
|
||||
EekboardContext *context,
|
||||
GCancellable *cancellable)
|
||||
{
|
||||
EekboardClientPrivate *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_CLIENT_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_client_pop_context:
|
||||
* @eekboard: an #EekboardClient
|
||||
* @cancellable: a #GCancellable
|
||||
*
|
||||
* Disable the current input context and enable the previous one.
|
||||
*/
|
||||
void
|
||||
eekboard_client_pop_context (EekboardClient *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_client_destroy_context:
|
||||
* @eekboard: an #EekboardClient
|
||||
* @context: an #EekboardContext
|
||||
* @cancellable: a #GCancellable
|
||||
*
|
||||
* Remove @context from @eekboard.
|
||||
*/
|
||||
void
|
||||
eekboard_client_destroy_context (EekboardClient *eekboard,
|
||||
EekboardContext *context,
|
||||
GCancellable *cancellable)
|
||||
{
|
||||
EekboardClientPrivate *priv;
|
||||
const gchar *object_path;
|
||||
|
||||
g_return_if_fail (EEKBOARD_IS_EEKBOARD(eekboard));
|
||||
g_return_if_fail (EEKBOARD_IS_CONTEXT(context));
|
||||
|
||||
priv = EEKBOARD_CLIENT_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);
|
||||
}
|
||||
Reference in New Issue
Block a user