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GDesktopAppInfo: support DBusActivatable

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Support the sender-side of the freedesktop application specification for
cases that we find 'DBusActivatable=true' in the desktop file.

https://bugzilla.gnome.org/show_bug.cgi?id=699259
This commit is contained in:
Ryan Lortie 2013-04-29 13:37:55 -07:00
parent 0aaac55d14
commit afc8b1020a
2 changed files with 172 additions and 48 deletions
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219
gio/gdesktopappinfo.c
View File

@ -19,6 +19,7 @@
* Boston, MA 02111-1307, USA.
*
* Author: Alexander Larsson <alexl@redhat.com>
* Ryan Lortie <desrt@desrt.ca>
*/
#include "config.h"
@ -94,6 +95,7 @@ struct _GDesktopAppInfo
char *desktop_id;
char *filename;
char *app_id;
GKeyFile *keyfile;
@ -197,6 +199,7 @@ g_desktop_app_info_finalize (GObject *object)
g_free (info->categories);
g_free (info->startup_wm_class);
g_strfreev (info->mime_types);
g_free (info->app_id);
G_OBJECT_CLASS (g_desktop_app_info_parent_class)->finalize (object);
}
@ -290,6 +293,7 @@ g_desktop_app_info_load_from_keyfile (GDesktopAppInfo *info,
char *type;
char *try_exec;
char *exec;
gboolean bus_activatable;
start_group = g_key_file_get_start_group (key_file);
if (start_group == NULL || strcmp (start_group, G_KEY_FILE_DESKTOP_GROUP) != 0)
@ -375,6 +379,7 @@ g_desktop_app_info_load_from_keyfile (GDesktopAppInfo *info,
info->categories = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_CATEGORIES, NULL);
info->startup_wm_class = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, STARTUP_WM_CLASS_KEY, NULL);
info->mime_types = g_key_file_get_string_list (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_MIME_TYPE, NULL, NULL);
bus_activatable = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_DBUS_ACTIVATABLE, NULL);
info->icon = NULL;
if (info->icon_name)
@ -411,6 +416,25 @@ g_desktop_app_info_load_from_keyfile (GDesktopAppInfo *info,
info->path = NULL;
}
if (bus_activatable)
{
gchar *basename;
gchar *last_dot;
basename = g_path_get_basename (info->filename);
last_dot = strrchr (basename, '.');
if (last_dot && g_str_equal (last_dot, ".desktop"))
{
*last_dot = '\0';
if (g_dbus_is_interface_name (basename))
info->app_id = g_strdup (basename);
}
g_free (basename);
}
info->keyfile = g_key_file_ref (key_file);
return TRUE;
@ -590,6 +614,7 @@ g_desktop_app_info_dup (GAppInfo *appinfo)
new_info->exec = g_strdup (info->exec);
new_info->binary = g_strdup (info->binary);
new_info->path = g_strdup (info->path);
new_info->app_id = g_strdup (info->app_id);
new_info->hidden = info->hidden;
new_info->terminal = info->terminal;
new_info->startup_notify = info->startup_notify;
@ -1276,30 +1301,27 @@ notify_desktop_launch (GDBusConnection *session_bus,
#define _SPAWN_FLAGS_DEFAULT (G_SPAWN_SEARCH_PATH)
static gboolean
_g_desktop_app_info_launch_uris_internal (GAppInfo *appinfo,
GList *uris,
GAppLaunchContext *launch_context,
GSpawnFlags spawn_flags,
GSpawnChildSetupFunc user_setup,
gpointer user_setup_data,
GDesktopAppLaunchCallback pid_callback,
gpointer pid_callback_data,
GError **error)
g_desktop_app_info_launch_uris_with_spawn (GDesktopAppInfo *info,
GDBusConnection *session_bus,
GList *uris,
GAppLaunchContext *launch_context,
GSpawnFlags spawn_flags,
GSpawnChildSetupFunc user_setup,
gpointer user_setup_data,
GDesktopAppLaunchCallback pid_callback,
gpointer pid_callback_data,
GError **error)
{
GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
GDBusConnection *session_bus;
gboolean completed = FALSE;
GList *old_uris;
char **argv, **envp;
int argc;
ChildSetupData data;
g_return_val_if_fail (appinfo != NULL, FALSE);
g_return_val_if_fail (info != NULL, FALSE);
argv = NULL;
session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
if (launch_context)
envp = g_app_launch_context_get_environment (launch_context);
else
@ -1357,7 +1379,7 @@ _g_desktop_app_info_launch_uris_internal (GAppInfo *appinfo,
GList *launched_files = create_files_for_uris (launched_uris);
display = g_app_launch_context_get_display (launch_context,
appinfo,
G_APP_INFO (info),
launched_files);
if (display)
envp = g_environ_setenv (envp, "DISPLAY", display, TRUE);
@ -1365,7 +1387,7 @@ _g_desktop_app_info_launch_uris_internal (GAppInfo *appinfo,
if (info->startup_notify)
{
sn_id = g_app_launch_context_get_startup_notify_id (launch_context,
appinfo,
G_APP_INFO (info),
launched_files);
envp = g_environ_setenv (envp, "DESKTOP_STARTUP_ID", sn_id, TRUE);
}
@ -1425,9 +1447,116 @@ _g_desktop_app_info_launch_uris_internal (GAppInfo *appinfo,
}
while (uris != NULL);
/* TODO - need to handle the process exiting immediately
* after launching an app. See http://bugzilla.gnome.org/606960
completed = TRUE;
out:
g_strfreev (argv);
g_strfreev (envp);
return completed;
}
static gchar *
object_path_from_appid (const gchar *app_id)
{
gchar *path;
gint i, n;
n = strlen (app_id);
path = g_malloc (n + 2);
path[0] = '/';
for (i = 0; i < n; i++)
if (app_id[i] != '.')
path[i + 1] = app_id[i];
else
path[i + 1] = '/';
path[i + 1] = '\0';
return path;
}
static gboolean
g_desktop_app_info_launch_uris_with_dbus (GDesktopAppInfo *info,
GDBusConnection *session_bus,
GList *uris,
GAppLaunchContext *launch_context)
{
GVariantBuilder builder;
gchar *object_path;
g_return_val_if_fail (info != NULL, FALSE);
g_variant_builder_init (&builder, G_VARIANT_TYPE_TUPLE);
if (uris)
{
GList *iter;
g_variant_builder_open (&builder, G_VARIANT_TYPE_STRING_ARRAY);
for (iter = uris; iter; iter = iter->next)
g_variant_builder_add (&builder, "s", iter->data);
g_variant_builder_close (&builder);
}
g_variant_builder_open (&builder, G_VARIANT_TYPE_VARDICT);
if (launch_context)
{
GList *launched_files = create_files_for_uris (uris);
if (info->startup_notify)
{
gchar *sn_id;
sn_id = g_app_launch_context_get_startup_notify_id (launch_context, G_APP_INFO (info), launched_files);
g_variant_builder_add (&builder, "{sv}", "desktop-startup-id", g_variant_new_take_string (sn_id));
}
g_list_free_full (launched_files, g_object_unref);
}
g_variant_builder_close (&builder);
/* This is non-blocking API. Similar to launching via fork()/exec()
* we don't wait around to see if the program crashed during startup.
* This is what startup-notification's job is...
*/
object_path = object_path_from_appid (info->app_id);
g_dbus_connection_call (session_bus, info->app_id, object_path, "org.freedesktop.Application",
uris ? "Open" : "Activate", g_variant_builder_end (&builder),
NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
g_free (object_path);
return TRUE;
}
static gboolean
g_desktop_app_info_launch_uris_internal (GAppInfo *appinfo,
GList *uris,
GAppLaunchContext *launch_context,
GSpawnFlags spawn_flags,
GSpawnChildSetupFunc user_setup,
gpointer user_setup_data,
GDesktopAppLaunchCallback pid_callback,
gpointer pid_callback_data,
GError **error)
{
GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
GDBusConnection *session_bus;
gboolean success = TRUE;
session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
if (session_bus && info->app_id)
g_desktop_app_info_launch_uris_with_dbus (info, session_bus, uris, launch_context);
else
success = g_desktop_app_info_launch_uris_with_spawn (info, session_bus, uris, launch_context,
spawn_flags, user_setup, user_setup_data,
pid_callback, pid_callback_data, error);
if (session_bus != NULL)
{
/* This asynchronous flush holds a reference until it completes,
@ -1435,16 +1564,10 @@ _g_desktop_app_info_launch_uris_internal (GAppInfo *appinfo,
* the connection if we were the initial owner.
*/
g_dbus_connection_flush (session_bus, NULL, NULL, NULL);
g_object_unref (session_bus);
}
completed = TRUE;
out:
g_clear_object (&session_bus);
g_strfreev (argv);
g_strfreev (envp);
return completed;
return success;
}
static gboolean
@ -1453,11 +1576,11 @@ g_desktop_app_info_launch_uris (GAppInfo *appinfo,
GAppLaunchContext *launch_context,
GError **error)
{
return _g_desktop_app_info_launch_uris_internal (appinfo, uris,
launch_context,
_SPAWN_FLAGS_DEFAULT,
NULL, NULL, NULL, NULL,
error);
return g_desktop_app_info_launch_uris_internal (appinfo, uris,
launch_context,
_SPAWN_FLAGS_DEFAULT,
NULL, NULL, NULL, NULL,
error);
}
static gboolean
@ -1525,15 +1648,15 @@ g_desktop_app_info_launch (GAppInfo *appinfo,
* launch applications. Ordinary applications should use
* g_app_info_launch_uris().
*
* In contrast to g_app_info_launch_uris(), all processes created will
* always be run directly as children as if by the UNIX fork()/exec()
* calls.
* If the application is launched via traditional UNIX fork()/exec()
* then @spawn_flags, @user_setup and @user_setup_data are used for the
* call to g_spawn_async(). Additionally, @pid_callback (with
* @pid_callback_data) will be called to inform about the PID of the
* created process.
*
* This guarantee allows additional control over the exact environment
* of the child processes, which is provided via a setup function
* @user_setup, as well as the process identifier of each child process
* via @pid_callback. See g_spawn_async() for more information about the
* semantics of the @user_setup function.
* If application launching occurs via some other mechanism (eg: D-Bus
* activation) then @spawn_flags, @user_setup, @user_setup_data,
* @pid_callback and @pid_callback_data are ignored.
*
* Returns: %TRUE on successful launch, %FALSE otherwise.
*/
@ -1548,15 +1671,15 @@ g_desktop_app_info_launch_uris_as_manager (GDesktopAppInfo *appinfo,
gpointer pid_callback_data,
GError **error)
{
return _g_desktop_app_info_launch_uris_internal ((GAppInfo*)appinfo,
uris,
launch_context,
spawn_flags,
user_setup,
user_setup_data,
pid_callback,
pid_callback_data,
error);
return g_desktop_app_info_launch_uris_internal ((GAppInfo*)appinfo,
uris,
launch_context,
spawn_flags,
user_setup,
user_setup_data,
pid_callback,
pid_callback_data,
error);
}
/**

1
glib/gkeyfile.h
View File

@ -305,6 +305,7 @@ gboolean g_key_file_remove_group (GKeyFile *key_file,
#define G_KEY_FILE_DESKTOP_KEY_STARTUP_NOTIFY "StartupNotify"
#define G_KEY_FILE_DESKTOP_KEY_STARTUP_WM_CLASS "StartupWMClass"
#define G_KEY_FILE_DESKTOP_KEY_URL "URL"
#define G_KEY_FILE_DESKTOP_KEY_DBUS_ACTIVATABLE "DBusActivatable"
#define G_KEY_FILE_DESKTOP_TYPE_APPLICATION "Application"
#define G_KEY_FILE_DESKTOP_TYPE_LINK "Link"