Allow the server to have multiple input contexts.
This commit is contained in:
Daiki Ueno
300
eekboard/eekboard-server.c
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300
eekboard/eekboard-server.c
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@ -0,0 +1,300 @@
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/*
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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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#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-server.h"
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G_DEFINE_TYPE (EekboardServer, eekboard_server, G_TYPE_DBUS_PROXY);
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#define EEKBOARD_SERVER_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((obj), EEKBOARD_TYPE_SERVER, EekboardServerPrivate))
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struct _EekboardServerPrivate
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{
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GHashTable *context_hash;
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GSList *context_stack;
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/* used in eekboard_server_push_context and
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eekboard_server_destroy_context as a callback data */
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EekboardContext *context;
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};
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static void
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eekboard_server_dispose (GObject *object)
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{
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EekboardServerPrivate *priv = EEKBOARD_SERVER_GET_PRIVATE(object);
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GSList *head;
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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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for (head = priv->context_stack; head; head = priv->context_stack) {
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g_object_unref (head->data);
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priv->context_stack = g_slist_next (head);
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g_slist_free1 (head);
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}
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G_OBJECT_CLASS (eekboard_server_parent_class)->dispose (object);
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}
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static void
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eekboard_server_class_init (EekboardServerClass *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 (EekboardServerPrivate));
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gobject_class->dispose = eekboard_server_dispose;
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}
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static void
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eekboard_server_init (EekboardServer *self)
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{
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EekboardServerPrivate *priv;
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priv = self->priv = EEKBOARD_SERVER_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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priv->context_stack = NULL;
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priv->context = NULL;
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}
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EekboardServer *
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eekboard_server_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_SERVER,
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cancellable,
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&error,
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"g-connection", connection,
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"g-name", "com.redhat.Eekboard.Server",
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"g-interface-name", "com.redhat.Eekboard.Server",
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"g-object-path", "/com/redhat/Eekboard/Server",
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NULL);
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if (initable != NULL)
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return EEKBOARD_SERVER (initable);
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return NULL;
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}
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EekboardContext *
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eekboard_server_create_context (EekboardServer *server,
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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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EekboardServerPrivate *priv;
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GError *error;
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GDBusConnection *connection;
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g_assert (EEKBOARD_IS_SERVER(server));
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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(server),
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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(server));
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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_SERVER_GET_PRIVATE(server);
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g_hash_table_insert (priv->context_hash, g_strdup (object_path), context);
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return context;
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}
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static void
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push_context_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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EekboardServer *server = user_data;
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EekboardServerPrivate *priv = EEKBOARD_SERVER_GET_PRIVATE(server);
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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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if (priv->context_stack)
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eekboard_context_set_enabled (priv->context_stack->data, FALSE);
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priv->context_stack = g_slist_prepend (priv->context_stack,
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priv->context);
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g_object_ref (priv->context);
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eekboard_context_set_enabled (priv->context, TRUE);
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}
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}
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void
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eekboard_server_push_context (EekboardServer *server,
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EekboardContext *context,
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GCancellable *cancellable)
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{
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EekboardServerPrivate *priv;
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const gchar *object_path;
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g_return_if_fail (EEKBOARD_IS_SERVER(server));
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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_SERVER_GET_PRIVATE(server);
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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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priv->context = context;
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g_dbus_proxy_call (G_DBUS_PROXY(server),
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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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push_context_async_ready_callback,
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server);
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}
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static void
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pop_context_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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EekboardServer *server = user_data;
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EekboardServerPrivate *priv = EEKBOARD_SERVER_GET_PRIVATE(server);
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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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if (priv->context_stack) {
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EekboardContext *context = priv->context_stack->data;
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eekboard_context_set_enabled (context, FALSE);
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priv->context_stack = g_slist_next (priv->context_stack);
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g_object_unref (context);
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if (priv->context_stack)
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eekboard_context_set_enabled (priv->context_stack->data, TRUE);
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}
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}
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}
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void
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eekboard_server_pop_context (EekboardServer *server,
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GCancellable *cancellable)
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{
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g_return_if_fail (EEKBOARD_IS_SERVER(server));
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g_dbus_proxy_call (G_DBUS_PROXY(server),
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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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pop_context_async_ready_callback,
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server);
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}
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static void
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destroy_context_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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EekboardServer *server = user_data;
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EekboardServerPrivate *priv = EEKBOARD_SERVER_GET_PRIVATE(server);
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GError *error = NULL;
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GVariant *result;
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const gchar *object_path;
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GSList *head;
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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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head = g_slist_find (priv->context_stack, priv->context);
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if (head) {
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priv->context_stack = g_slist_remove_link (priv->context_stack,
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head);
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g_slist_free1 (head);
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}
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object_path =
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g_dbus_proxy_get_object_path (G_DBUS_PROXY(priv->context));
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g_hash_table_remove (priv->context_hash, object_path);
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}
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}
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void
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eekboard_server_destroy_context (EekboardServer *server,
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EekboardContext *context,
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GCancellable *cancellable)
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{
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EekboardServerPrivate *priv;
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const gchar *object_path;
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g_return_if_fail (EEKBOARD_IS_SERVER(server));
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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_SERVER_GET_PRIVATE(server);
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priv->context = context;
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g_dbus_proxy_call (G_DBUS_PROXY(server),
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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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destroy_context_async_ready_callback,
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server);
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}
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