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new GApplication implementation
This commit is contained in:
Ryan Lortie
304
gio/gapplicationimpl-dbus.c
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304
gio/gapplicationimpl-dbus.c
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/*
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* Copyright © 2010 Codethink Limited
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Authors: Ryan Lortie <desrt@desrt.ca>
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*/
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#include "gapplicationimpl.h"
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#include "gapplication.h"
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#include "gfile.h"
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#include "gdbusconnection.h"
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#include "gdbusintrospection.h"
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#include "gdbuserror.h"
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#include <string.h>
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#include "gapplicationimpl-dbus-interface.c"
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struct _GApplicationImpl
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{
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GDBusConnection *session_bus;
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const gchar *bus_name;
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gchar *object_path;
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guint object_id;
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gpointer app;
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GMainLoop *cmdline_mainloop;
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};
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static void
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g_application_impl_method_call (GDBusConnection *connection,
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const gchar *sender,
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const gchar *object_path,
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const gchar *interface_name,
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const gchar *method_name,
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GVariant *parameters,
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GDBusMethodInvocation *invocation,
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gpointer user_data)
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{
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GApplicationImpl *impl = user_data;
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GApplicationClass *class;
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class = G_APPLICATION_GET_CLASS (impl->app);
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if (strcmp (method_name, "Activate") == 0)
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{
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GVariant *platform_data;
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g_variant_get (parameters, "(@a{sv})", &platform_data);
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class->before_emit (impl->app, platform_data);
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g_signal_emit_by_name (impl->app, "activate");
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class->after_emit (impl->app, platform_data);
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g_variant_unref (platform_data);
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}
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else if (strcmp (method_name, "Open") == 0)
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{
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GVariant *platform_data;
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const gchar *hint;
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GVariant *array;
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GFile **files;
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gint n, i;
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g_variant_get (parameters, "(@ass@a{sv})",
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&array, &hint, &platform_data);
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n = g_variant_n_children (array);
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files = g_new (GFile *, n + 1);
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for (i = 0; i < n; i++)
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{
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const gchar *uri;
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g_variant_get_child (array, i, "&s", &uri);
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files[i] = g_file_new_for_uri (uri);
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}
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g_variant_unref (array);
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files[n] = NULL;
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class->before_emit (impl->app, platform_data);
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g_signal_emit_by_name (impl->app, "open", files, n, hint);
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class->after_emit (impl->app, platform_data);
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g_variant_unref (platform_data);
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for (i = 0; i < n; i++)
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g_object_unref (files[i]);
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g_free (files);
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}
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else
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g_assert_not_reached ();
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}
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static gchar *
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application_path_from_appid (const gchar *appid)
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{
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gchar *appid_path, *iter;
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appid_path = g_strconcat ("/", appid, NULL);
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for (iter = appid_path; *iter; iter++)
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{
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if (*iter == '.')
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*iter = '/';
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}
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return appid_path;
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}
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void
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g_application_impl_destroy (GApplicationImpl *impl)
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{
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if (impl->session_bus)
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{
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if (impl->object_id)
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g_dbus_connection_unregister_object (impl->session_bus,
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impl->object_id);
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g_object_unref (impl->session_bus);
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g_free (impl->object_path);
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}
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else
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{
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g_assert (impl->object_path == NULL);
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g_assert (impl->object_id == 0);
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}
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g_slice_free (GApplicationImpl, impl);
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}
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GApplicationImpl *
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g_application_impl_register (GApplication *application,
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const gchar *appid,
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GApplicationFlags flags,
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gboolean *is_remote,
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GCancellable *cancellable,
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GError **error)
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{
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const static GDBusInterfaceVTable vtable = {
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g_application_impl_method_call
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};
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GApplicationImpl *impl;
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GVariant *reply;
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guint32 rval;
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impl = g_slice_new (GApplicationImpl);
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impl->app = application;
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impl->bus_name = appid;
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impl->session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION,
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cancellable, error);
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if (impl->session_bus == NULL)
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{
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g_slice_free (GApplicationImpl, impl);
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return NULL;
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}
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impl->object_path = application_path_from_appid (appid);
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if (flags & G_APPLICATION_FLAGS_IS_LAUNCHER)
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{
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impl->object_id = 0;
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*is_remote = TRUE;
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return impl;
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}
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impl->object_id = g_dbus_connection_register_object (impl->session_bus,
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impl->object_path,
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(GDBusInterfaceInfo *)
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&org_gtk_Application,
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&vtable,
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impl, NULL,
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error);
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if (impl->object_id == 0)
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{
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g_object_unref (impl->session_bus);
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g_free (impl->object_path);
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impl->session_bus = NULL;
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impl->object_path = NULL;
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g_slice_free (GApplicationImpl, impl);
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return NULL;
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}
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reply = g_dbus_connection_call_sync (impl->session_bus,
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"org.freedesktop.DBus",
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"/org/freedesktop/DBus",
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"org.freedesktop.DBus",
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"RequestName",
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g_variant_new ("(su)",
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/* DBUS_NAME_FLAG_DO_NOT_QUEUE: 0x4 */
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impl->bus_name, 0x4),
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G_VARIANT_TYPE ("(u)"),
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0, -1, cancellable, error);
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if (reply == NULL)
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{
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g_dbus_connection_unregister_object (impl->session_bus,
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impl->object_id);
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impl->object_id = 0;
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g_object_unref (impl->session_bus);
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g_free (impl->object_path);
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impl->session_bus = NULL;
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impl->object_path = NULL;
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g_slice_free (GApplicationImpl, impl);
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return NULL;
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}
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g_variant_get (reply, "(u)", &rval);
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g_variant_unref (reply);
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/* DBUS_REQUEST_NAME_REPLY_EXISTS: 3 */
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if ((*is_remote = (rval == 3)))
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{
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g_dbus_connection_unregister_object (impl->session_bus,
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impl->object_id);
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impl->object_id = 0;
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if (flags & G_APPLICATION_FLAGS_IS_SERVICE)
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{
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g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_FAILED,
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"Unable to acquire bus name `%s'", appid);
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g_object_unref (impl->session_bus);
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g_free (impl->object_path);
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g_slice_free (GApplicationImpl, impl);
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impl = NULL;
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}
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}
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return impl;
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}
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void
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g_application_impl_activate (GApplicationImpl *impl,
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GVariant *platform_data)
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{
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g_dbus_connection_call (impl->session_bus,
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impl->bus_name,
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impl->object_path,
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"org.gtk.Application",
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"Activate",
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g_variant_new ("(@a{sv})", platform_data),
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NULL, 0, -1, NULL, NULL, NULL);
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}
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void
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g_application_impl_open (GApplicationImpl *impl,
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GFile **files,
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gint n_files,
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const gchar *hint,
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GVariant *platform_data)
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{
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GVariantBuilder builder;
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gint i;
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g_variant_builder_init (&builder, G_VARIANT_TYPE ("(assa{sv})"));
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g_variant_builder_open (&builder, G_VARIANT_TYPE_STRING_ARRAY);
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for (i = 0; i < n_files; i++)
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{
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gchar *uri = g_file_get_uri (files[i]);
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g_variant_builder_add (&builder, "s", uri);
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g_free (uri);
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}
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g_variant_builder_close (&builder);
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g_variant_builder_add (&builder, "s", hint);
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g_variant_builder_add_value (&builder, platform_data);
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g_dbus_connection_call (impl->session_bus,
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impl->bus_name,
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impl->object_path,
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"org.gtk.Application",
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"Open",
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g_variant_builder_end (&builder),
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NULL, 0, -1, NULL, NULL, NULL);
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}
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void
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g_application_impl_flush (GApplicationImpl *impl)
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{
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g_dbus_connection_flush_sync (impl->session_bus, NULL, NULL);
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}
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