/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* eel-mount-operation.c - Gtk+ implementation for GAppLaunchContext
Copyright (C) 2007 Red Hat, Inc.
The Gnome Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the Gnome Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
Author: Alexander Larsson <alexl@redhat.com>
*/
#include <config.h>
#include "eel-app-launch-context.h"
#include <gio/gio.h>
#include <glib.h>
#include <string.h>
#ifdef HAVE_STARTUP_NOTIFICATION
#define SN_API_NOT_YET_FROZEN
#include <libsn/sn.h>
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#endif
G_DEFINE_TYPE (EelAppLaunchContext, eel_app_launch_context, G_TYPE_APP_LAUNCH_CONTEXT);
struct EelAppLaunchContextPrivate {
GdkDisplay *display;
GdkScreen *screen;
guint32 timestamp;
GIcon *icon;
char *icon_name;
};
static void
eel_app_launch_context_finalize (GObject *object)
{
EelAppLaunchContext *context;
EelAppLaunchContextPrivate *priv;
context = EEL_APP_LAUNCH_CONTEXT (object);
priv = context->priv;
if (priv->display) {
g_object_unref (priv->display);
}
if (priv->screen) {
g_object_unref (priv->screen);
}
if (priv->icon) {
g_object_unref (priv->screen);
}
g_free (priv->icon_name);
(*G_OBJECT_CLASS (eel_app_launch_context_parent_class)->finalize) (object);
}
static char *
get_display (GAppLaunchContext *context,
GAppInfo *info,
GList *files)
{
GdkDisplay *display;
EelAppLaunchContextPrivate *priv;
priv = EEL_APP_LAUNCH_CONTEXT (context)->priv;
if (priv->screen) {
return gdk_screen_make_display_name (priv->screen);
}
if (priv->display) {
display = priv->display;
} else {
display = gdk_display_get_default ();
}
return g_strdup (gdk_display_get_name (display));
}
#ifdef HAVE_STARTUP_NOTIFICATION
static void
sn_error_trap_push (SnDisplay *display,
Display *xdisplay)
{
gdk_error_trap_push ();
}
static void
sn_error_trap_pop (SnDisplay *display,
Display *xdisplay)
{
gdk_error_trap_pop ();
}
static char *
get_display_name (GFile *file)
{
GFileInfo *info;
char *name, *tmp;
/* This does sync i/o, which isn't ideal.
* It should probably use the NautilusFile machinery
*/
name = NULL;
info = g_file_query_info (file,
G_FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME,
0, NULL, NULL);
if (info) {
name = g_strdup (g_file_info_get_display_name (info));
g_object_unref (info);
}
if (name == NULL) {
name = g_file_get_basename (file);
if (!g_utf8_validate (name, -1, NULL)) {
tmp = name;
name = g_uri_escape_string (name, G_URI_RESERVED_CHARS_ALLOWED_IN_PATH, TRUE);
g_free (tmp);
}
}
return name;
}
static GIcon *
get_icon (GFile *file)
{
GFileInfo *info;
GIcon *icon;
icon = NULL;
info = g_file_query_info (file,
G_FILE_ATTRIBUTE_STANDARD_ICON,
0, NULL, NULL);
if (info) {
icon = g_file_info_get_icon (info);
if (icon) {
g_object_ref (icon);
}
g_object_unref (info);
}
return icon;
}
static char *
gicon_to_string (GIcon *icon)
{
GFile *file;
const char * const *names;
if (G_IS_FILE_ICON (icon)) {
file = g_file_icon_get_file (G_FILE_ICON (icon));
if (file) {
return g_file_get_path (file);
}
} else if (G_IS_THEMED_ICON (icon)) {
names = g_themed_icon_get_names (G_THEMED_ICON (icon));
if (names) {
return g_strdup (names[0]);
}
}
return NULL;
}
/* FIXME: This is the wrong way to do this; there should be some event
* (e.g. button press) available with a good time. A function like
* this should not be needed.
*/
static Time
slowly_and_stupidly_obtain_timestamp (Display *xdisplay)
{
Window xwindow;
XEvent event;
{
XSetWindowAttributes attrs;
Atom atom_name;
Atom atom_type;
char* name;
attrs.override_redirect = True;
attrs.event_mask = PropertyChangeMask | StructureNotifyMask;
xwindow =
XCreateWindow (xdisplay,
RootWindow (xdisplay, 0),
-100, -100, 1, 1,
0,
CopyFromParent,
CopyFromParent,
(Visual *)CopyFromParent,
CWOverrideRedirect | CWEventMask,
&attrs);
atom_name = XInternAtom (xdisplay, "WM_NAME", TRUE);
g_assert (atom_name != None);
atom_type = XInternAtom (xdisplay, "STRING", TRUE);
g_assert (atom_type != None);
name = "Fake Window";
XChangeProperty (xdisplay,
xwindow, atom_name,
atom_type,
8, PropModeReplace, name, strlen (name));
}
XWindowEvent (xdisplay,
xwindow,
PropertyChangeMask,
&event);
XDestroyWindow(xdisplay, xwindow);
return event.xproperty.time;
}
/* This should be fairly long, as it's confusing to users if a startup
* ends when it shouldn't (it appears that the startup failed, and
* they have to relaunch the app). Also the timeout only matters when
* there are bugs and apps don't end their own startup sequence.
*
* This timeout is a "last resort" timeout that ignores whether the
* startup sequence has shown activity or not. Metacity and the
* tasklist have smarter, and correspondingly able-to-be-shorter
* timeouts. The reason our timeout is dumb is that we don't monitor
* the sequence (don't use an SnMonitorContext)
*/
#define STARTUP_TIMEOUT_LENGTH (30 /* seconds */ * 1000)
typedef struct
{
GSList *contexts;
guint timeout_id;
} StartupTimeoutData;
static void
free_startup_timeout (void *data)
{
StartupTimeoutData *std;
std = data;
g_slist_foreach (std->contexts,
(GFunc) sn_launcher_context_unref,
NULL);
g_slist_free (std->contexts);
if (std->timeout_id != 0) {
g_source_remove (std->timeout_id);
std->timeout_id = 0;
}
g_free (std);
}
static gboolean
startup_timeout (void *data)
{
StartupTimeoutData *std;
GSList *tmp;
GTimeVal now;
int min_timeout;
std = data;
min_timeout = STARTUP_TIMEOUT_LENGTH;
g_get_current_time (&now);
tmp = std->contexts;
while (tmp != NULL) {
SnLauncherContext *sn_context;
GSList *next;
long tv_sec, tv_usec;
double elapsed;
sn_context = tmp->data;
next = tmp->next;
sn_launcher_context_get_last_active_time (sn_context,
&tv_sec, &tv_usec);
elapsed =
((((double)now.tv_sec - tv_sec) * G_USEC_PER_SEC +
(now.tv_usec - tv_usec))) / 1000.0;
if (elapsed >= STARTUP_TIMEOUT_LENGTH) {
std->contexts = g_slist_remove (std->contexts,
sn_context);
sn_launcher_context_complete (sn_context);
sn_launcher_context_unref (sn_context);
} else {
min_timeout = MIN (min_timeout, (STARTUP_TIMEOUT_LENGTH - elapsed));
}
tmp = next;
}
if (std->contexts == NULL) {
std->timeout_id = 0;
} else {
std->timeout_id = g_timeout_add (min_timeout,
startup_timeout,
std);
}
/* always remove this one, but we may have reinstalled another one. */
return FALSE;
}
static void
add_startup_timeout (GdkScreen *screen,
SnLauncherContext *sn_context)
{
StartupTimeoutData *data;
data = g_object_get_data (G_OBJECT (screen), "appinfo-startup-data");
if (data == NULL) {
data = g_new (StartupTimeoutData, 1);
data->contexts = NULL;
data->timeout_id = 0;
g_object_set_data_full (G_OBJECT (screen), "appinfo-startup-data",
data, free_startup_timeout);
}
sn_launcher_context_ref (sn_context);
data->contexts = g_slist_prepend (data->contexts, sn_context);
if (data->timeout_id == 0) {
data->timeout_id = g_timeout_add (STARTUP_TIMEOUT_LENGTH,
startup_timeout,
data);
}
}
#endif
static char *
get_startup_notify_id (GAppLaunchContext *context,
GAppInfo *info,
GList *files)
{
#ifdef HAVE_STARTUP_NOTIFICATION
EelAppLaunchContextPrivate *priv;
SnLauncherContext *sn_context;
SnDisplay *sn_display;
GdkDisplay *display;
GdkScreen *screen;
int files_count;
char *name, *description, *icon_name;
const char *binary_name;
GIcon *icon;
guint32 timestamp;
char *id;
priv = EEL_APP_LAUNCH_CONTEXT (context)->priv;
if (priv->screen) {
screen = priv->screen;
display = gdk_screen_get_display (priv->screen);
} else if (priv->display) {
display = priv->display;
screen = gdk_display_get_default_screen (display);
} else {
display = gdk_display_get_default ();
screen = gdk_display_get_default_screen (display);
}
sn_display = sn_display_new (gdk_display,
sn_error_trap_push,
sn_error_trap_pop);
sn_context = sn_launcher_context_new (sn_display,
gdk_screen_get_number (screen));
files_count = g_list_length (files);
if (files_count == 1) {
name = get_display_name (files->data);
description = g_strdup_printf (_("Opening %s"), name);
} else {
name = NULL;
description = g_strdup_printf (ngettext ("Opening %d Item",
"Opening %d Items",
files_count),
files_count);
}
if (name != NULL) {
sn_launcher_context_set_name (sn_context, name);
g_free (name);
}
if (description != NULL) {
sn_launcher_context_set_description (sn_context, description);
g_free (description);
}
icon_name = NULL;
if (priv->icon_name) {
icon_name = g_strdup (priv->icon_name);
} else {
icon = NULL;
if (priv->icon != NULL) {
icon = g_object_ref (priv->icon);
} else if (files_count == 1) {
icon = get_icon (files->data);
}
if (icon == NULL) {
icon = g_app_info_get_icon (info);
g_object_ref (icon);
}
if (icon) {
icon_name = gicon_to_string (icon);
}
g_object_unref (icon);
}
if (icon_name) {
sn_launcher_context_set_icon_name (sn_context, icon_name);
g_free (icon_name);
}
binary_name = g_app_info_get_executable (info);
sn_launcher_context_set_binary_name (sn_context, binary_name);
timestamp = priv->timestamp;
if (timestamp == GDK_CURRENT_TIME) {
timestamp = gtk_get_current_event_time ();
}
if (timestamp == GDK_CURRENT_TIME) {
timestamp = slowly_and_stupidly_obtain_timestamp (GDK_SCREEN_XDISPLAY (screen));
}
sn_launcher_context_initiate (sn_context,
g_get_application_name () ? g_get_application_name () : "unknown",
binary_name,
timestamp);
id = g_strdup (sn_launcher_context_get_startup_id (sn_context));
add_startup_timeout (screen, sn_context);
sn_launcher_context_unref (sn_context);
sn_display_unref (sn_display);
return id;
#else
return NULL;
#endif
}
static void
launch_failed (GAppLaunchContext *context,
const char *startup_notify_id)
{
#ifdef HAVE_STARTUP_NOTIFICATION
EelAppLaunchContextPrivate *priv;
GdkScreen *screen;
StartupTimeoutData *data;
SnLauncherContext *sn_context;
GSList *l;
priv = EEL_APP_LAUNCH_CONTEXT (context)->priv;
if (priv->screen) {
screen = priv->screen;
} else if (priv->display) {
screen = gdk_display_get_default_screen (priv->display);
} else {
screen = gdk_display_get_default_screen (gdk_display_get_default ());
}
data = g_object_get_data (G_OBJECT (screen), "appinfo-startup-data");
if (data) {
for (l = data->contexts; l != NULL; l = l->next) {
sn_context = l->data;
if (strcmp (startup_notify_id, sn_launcher_context_get_startup_id (sn_context)) == 0) {
data->contexts = g_slist_remove (data->contexts,
sn_context);
sn_launcher_context_complete (sn_context);
sn_launcher_context_unref (sn_context);
break;
}
}
if (data->contexts == NULL) {
g_source_remove (data->timeout_id);
data->timeout_id = 0;
}
}
#endif
}
static void
eel_app_launch_context_class_init (EelAppLaunchContextClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GAppLaunchContextClass *context_class = G_APP_LAUNCH_CONTEXT_CLASS (klass);
g_type_class_add_private (klass, sizeof (EelAppLaunchContextPrivate));
gobject_class->finalize = eel_app_launch_context_finalize;
context_class->get_display = get_display;
context_class->get_startup_notify_id = get_startup_notify_id;
context_class->launch_failed = launch_failed;
}
static void
eel_app_launch_context_init (EelAppLaunchContext *context)
{
context->priv = G_TYPE_INSTANCE_GET_PRIVATE (context,
EEL_TYPE_APP_LAUNCH_CONTEXT,
EelAppLaunchContextPrivate);
}
void
eel_app_launch_context_set_display (EelAppLaunchContext *context,
GdkDisplay *display)
{
if (context->priv->display) {
g_object_unref (context->priv->display);
context->priv->display = NULL;
}
if (display) {
context->priv->display = g_object_ref (display);
}
}
void
eel_app_launch_context_set_screen (EelAppLaunchContext *context,
GdkScreen *screen)
{
if (context->priv->screen) {
g_object_unref (context->priv->screen);
context->priv->screen = NULL;
}
if (screen) {
context->priv->screen = g_object_ref (screen);
}
}
void
eel_app_launch_context_set_timestamp (EelAppLaunchContext *context,
guint32 timestamp)
{
context->priv->timestamp = timestamp;
}
void
eel_app_launch_context_set_icon (EelAppLaunchContext *context,
GIcon *icon)
{
if (context->priv->icon) {
g_object_unref (context->priv->icon);
context->priv->icon = NULL;
}
if (icon) {
context->priv->icon = g_object_ref (icon);
}
}
void
eel_app_launch_context_set_icon_name (EelAppLaunchContext *context,
const char *icon_name)
{
g_free (context->priv->icon_name);
context->priv->icon_name = g_strdup (icon_name);
}
EelAppLaunchContext *
eel_app_launch_context_new (void)
{
EelAppLaunchContext *context;
context = g_object_new (eel_app_launch_context_get_type (), NULL);
return context;
}
