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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* nautilus-program-choosing.c - functions for selecting and activating
programs for opening/viewing particular files.
Copyright (C) 2000 Eazel, 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: John Sullivan <sullivan@eazel.com>
*/
#include <config.h>
#include "nautilus-program-choosing.h"
#include "nautilus-mime-actions.h"
#include "nautilus-global-preferences.h"
#include "nautilus-icon-info.h"
#include "nautilus-recent.h"
#include "nautilus-desktop-icon-file.h"
#include <eel/eel-glib-extensions.h>
#include <eel/eel-gnome-extensions.h>
#include <eel/eel-stock-dialogs.h>
#include <eel/eel-preferences.h>
#include <eel/eel-string.h>
#include <eel/eel-app-launch-context.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <gio/gdesktopappinfo.h>
#include <stdlib.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
/**
* application_cannot_open_location
*
* Handle the case where an application has been selected to be launched,
* and it cannot handle the current uri scheme. This can happen
* because the default application for a file type may not be able
* to handle some kinds of locations. We want to tell users that their
* default application doesn't work here, rather than switching off to
* a different one without them noticing.
*
* @application: The application that was to be launched.
* @file: The file whose location was passed as a parameter to the application
* @parent_window: A window to use as the parent for any error dialogs.
* */
static void
application_cannot_open_location (GAppInfo *application,
NautilusFile *file,
const char *uri_scheme,
GtkWindow *parent_window)
{
#ifdef NEW_MIME_COMPLETE
GtkDialog *message_dialog;
LaunchParameters *launch_parameters;
char *prompt;
char *message;
char *file_name;
int response;
file_name = nautilus_file_get_display_name (file);
if (nautilus_mime_has_any_applications_for_file (file)) {
if (application != NULL) {
prompt = _("Open Failed, would you like to choose another application?");
message = g_strdup_printf (_("\"%s\" cannot open \"%s\" because \"%s\" cannot access files at \"%s\" "
"locations."),
g_app_info_get_name (application), file_name,
g_app_info_get_name (application), uri_scheme);
} else {
prompt = _("Open Failed, would you like to choose another action?");
message = g_strdup_printf (_("The default action cannot open \"%s\" because it cannot access files at \"%s\" "
"locations."),
file_name, uri_scheme);
}
message_dialog = eel_show_yes_no_dialog (prompt,
message,
GTK_STOCK_OK,
GTK_STOCK_CANCEL,
parent_window);
response = gtk_dialog_run (message_dialog);
gtk_object_destroy (GTK_OBJECT (message_dialog));
if (response == GTK_RESPONSE_YES) {
launch_parameters = launch_parameters_new (file, parent_window);
nautilus_choose_application_for_file
(file,
parent_window,
launch_application_callback,
launch_parameters);
}
g_free (message);
} else {
if (application != NULL) {
prompt = g_strdup_printf (_("\"%s\" cannot open \"%s\" because \"%s\" cannot access files at \"%s\" "
"locations."), g_app_info_get_name (application), file_name,
g_app_info_get_name (application), uri_scheme);
message = _("No other applications are available to view this file. "
"If you copy this file onto your computer, you may be able to open "
"it.");
} else {
prompt = g_strdup_printf (_("The default action cannot open \"%s\" because it cannot access files at \"%s\" "
"locations."), file_name, uri_scheme);
message = _("No other actions are available to view this file. "
"If you copy this file onto your computer, you may be able to open "
"it.");
}
eel_show_info_dialog (prompt, message, parent_window);
g_free (prompt);
}
g_free (file_name);
#endif
}
/**
* nautilus_launch_application:
*
* Fork off a process to launch an application with a given file as a
* parameter. Provide a parent window for error dialogs.
*
* @application: The application to be launched.
* @files: The files whose locations should be passed as a parameter to the application.
* @parent_window: A window to use as the parent for any error dialogs.
*/
void
nautilus_launch_application (GAppInfo *application,
GList *files,
GtkWindow *parent_window)
{
char *uri_scheme;
GList *locations, *l;
GFile *location;
NautilusFile *file;
gboolean result;
GError *error;
EelAppLaunchContext *launch_context;
NautilusIconInfo *icon;
g_assert (files != NULL);
locations = NULL;
for (l = files; l != NULL; l = l->next) {
file = NAUTILUS_FILE (l->data);
location = nautilus_file_get_activation_location (file);
locations = g_list_prepend (locations, location);
}
locations = g_list_reverse (locations);
launch_context = eel_app_launch_context_new ();
if (parent_window)
eel_app_launch_context_set_screen (launch_context,
gtk_window_get_screen (parent_window));
file = NAUTILUS_FILE (files->data);
icon = nautilus_file_get_icon (file, 48, 0);
if (icon) {
eel_app_launch_context_set_icon_name (launch_context,
nautilus_icon_info_get_used_name (icon));
g_object_unref (icon);
}
error = NULL;
result = g_app_info_launch (application,
locations,
G_APP_LAUNCH_CONTEXT (launch_context),
&error);
g_object_unref (launch_context);
if (!result) {
if (error->domain == G_IO_ERROR &&
error->code == G_IO_ERROR_NOT_SUPPORTED) {
uri_scheme = nautilus_file_get_uri_scheme (NAUTILUS_FILE (files->data));
application_cannot_open_location (application,
file,
uri_scheme,
parent_window);
g_free (uri_scheme);
} else {
#ifdef NEW_MIME_COMPLETE
nautilus_program_chooser_show_invalid_message
(GNOME_VFS_MIME_ACTION_TYPE_APPLICATION, file, parent_window);
#else
g_warning ("Cannot open app: %s\n", error->message);
#endif
}
g_error_free (error);
} else {
for (l = files; l != NULL; l = l->next) {
file = NAUTILUS_FILE (l->data);
nautilus_recent_add_file (file, application);
}
}
eel_g_object_list_free (locations);
}
/**
* nautilus_launch_application_from_command:
*
* Fork off a process to launch an application with a given uri as
* a parameter.
*
* @command_string: The application to be launched, with any desired
* command-line options.
* @parameter: Passed as a parameter to the application as is.
*/
void
nautilus_launch_application_from_command (GdkScreen *screen,
const char *name,
const char *command_string,
const char *parameter,
gboolean use_terminal)
{
char *full_command;
char *quoted_parameter;
if (parameter != NULL) {
quoted_parameter = g_shell_quote (parameter);
full_command = g_strconcat (command_string, " ", quoted_parameter, NULL);
g_free (quoted_parameter);
} else {
full_command = g_strdup (command_string);
}
if (use_terminal) {
eel_gnome_open_terminal_on_screen (full_command, screen);
} else {
gdk_spawn_command_line_on_screen (screen, full_command, NULL);
}
g_free (full_command);
}
void
nautilus_launch_desktop_file (GdkScreen *screen,
const char *desktop_file_uri,
const GList *parameter_uris,
GtkWindow *parent_window)
{
GError *error;
char *message, *desktop_file_path;
const GList *p;
GList *files;
int total, count;
GFile *file, *desktop_file;
GDesktopAppInfo *app_info;
EelAppLaunchContext *context;
/* Don't allow command execution from remote locations
* to partially mitigate the security
* risk of executing arbitrary commands.
*/
desktop_file = g_file_new_for_uri (desktop_file_uri);
desktop_file_path = g_file_get_path (desktop_file);
if (!g_file_is_native (desktop_file)) {
g_free (desktop_file_path);
g_object_unref (desktop_file);
eel_show_error_dialog
(_("Sorry, but you cannot execute commands from "
"a remote site."),
_("This is disabled due to security considerations."),
parent_window);
return;
}
g_object_unref (desktop_file);
app_info = g_desktop_app_info_new_from_filename (desktop_file_path);
g_free (desktop_file_path);
if (app_info == NULL) {
eel_show_error_dialog
(_("There was an error launching the application."),
NULL,
parent_window);
return;
}
/* count the number of uris with local paths */
count = 0;
total = g_list_length ((GList *) parameter_uris);
files = NULL;
for (p = parameter_uris; p != NULL; p = p->next) {
file = g_file_new_for_uri ((const char *) p->data);
if (g_file_is_native (file)) {
count++;
}
files = g_list_prepend (files, file);
}
/* check if this app only supports local files */
if (g_app_info_supports_files (G_APP_INFO (app_info)) &&
!g_app_info_supports_uris (G_APP_INFO (app_info)) &&
parameter_uris != NULL) {
if (count == 0) {
/* all files are non-local */
eel_show_error_dialog
(_("This drop target only supports local files."),
_("To open non-local files copy them to a local folder and then"
" drop them again."),
parent_window);
eel_g_object_list_free (files);
g_object_unref (app_info);
return;
} else if (count != total) {
/* some files are non-local */
eel_show_warning_dialog
(_("This drop target only supports local files."),
_("To open non-local files copy them to a local folder and then"
" drop them again. The local files you dropped have already been opened."),
parent_window);
}
}
error = NULL;
context = eel_app_launch_context_new ();
/* TODO: Ideally we should accept a timestamp here instead of using GDK_CURRENT_TIME */
eel_app_launch_context_set_timestamp (context, GDK_CURRENT_TIME);
eel_app_launch_context_set_screen (context,
gtk_window_get_screen (parent_window));
if (count == total) {
/* All files are local, so we can use g_app_info_launch () with
* the file list we constructed before.
*/
g_app_info_launch (G_APP_INFO (app_info),
files,
G_APP_LAUNCH_CONTEXT (context),
&error);
} else {
/* Some files are non local, better use g_app_info_launch_uris ().
*/
g_app_info_launch_uris (G_APP_INFO (app_info),
(GList *) parameter_uris,
G_APP_LAUNCH_CONTEXT (context),
&error);
}
if (error != NULL) {
message = g_strconcat (_("Details: "), error->message, NULL);
eel_show_error_dialog
(_("There was an error launching the application."),
message,
parent_window);
g_error_free (error);
g_free (message);
}
eel_g_object_list_free (files);
g_object_unref (context);
g_object_unref (app_info);
}
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