path: root/src/ephy-main.c

/*
 *  Copyright © 2000-2002 Marco Pesenti Gritti
 *  Copyright © 2006, 2008 Christian Persch
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "config.h"

#include "ephy-application.h"
#include "ephy-settings.h"
#include "ephy-shell.h"
#include "ephy-file-helpers.h"
#include "ephy-state.h"
#include "ephy-debug.h"
#include "ephy-stock-icons.h"
#include "ephy-session.h"
#include "ephy-shell.h"
#include "ephy-debug.h"
#include "ephy-string.h"
#include "eggsmclient.h"

#include <libxml/xmlversion.h>

#include <glib/gi18n.h>

#include <gdk/gdkx.h>
#include <gtk/gtk.h>

#include <errno.h>
#include <string.h>

#ifdef ENABLE_INTROSPECTION
#include <girepository.h>
#endif

static GQuark startup_error_quark = 0;
#define STARTUP_ERROR_QUARK (startup_error_quark)

static gboolean open_in_new_tab = FALSE;
static gboolean open_in_new_window = FALSE;
static gboolean open_as_bookmarks_editor = FALSE;
/*static gboolean reload_plugins = FALSE;*/

static char *session_filename = NULL;
static char *bookmark_url = NULL;
static char *bookmarks_file = NULL;
static char **arguments = NULL;

/* Only set from options in debug builds */
static gboolean private_instance = FALSE;
static gboolean keep_temp_directory = FALSE;
static char *profile_directory = NULL;

static gboolean
option_version_cb (const gchar *option_name,
                   const gchar *value,
                   gpointer     data,
                   GError     **error)
{
  g_print ("%s %s\n", _("GNOME Web Browser"), VERSION);

  exit (EXIT_SUCCESS);
 return FALSE;
}
 
static const GOptionEntry option_entries[] =
{
    { "new-tab", 'n', 0, G_OPTION_ARG_NONE, &open_in_new_tab,
      N_("Open a new tab in an existing browser window"), NULL },
    { "new-window", 0, 0, G_OPTION_ARG_NONE, &open_in_new_window,
      N_("Open a new browser window"), NULL },
    { "bookmarks-editor", 'b', 0, G_OPTION_ARG_NONE, &open_as_bookmarks_editor,
      N_("Launch the bookmarks editor"), NULL },
    { "import-bookmarks", '\0', 0, G_OPTION_ARG_FILENAME, &bookmarks_file,
      N_("Import bookmarks from the given file"), N_("FILE") },
    { "load-session", 'l', 0, G_OPTION_ARG_FILENAME, &session_filename,
      N_("Load the given session file"), N_("FILE") },
    { "add-bookmark", 't', 0, G_OPTION_ARG_STRING, &bookmark_url,
      N_("Add a bookmark"), N_("URL") },
    { "private-instance", 'p', 0, G_OPTION_ARG_NONE, &private_instance,
      N_("Start a private instance"), NULL },
    { "profile", 0, 0, G_OPTION_ARG_STRING, &profile_directory,
      N_("Profile directory to use in the private instance"), N_("DIR") },
    { G_OPTION_REMAINING, '\0', 0, G_OPTION_ARG_FILENAME_ARRAY, &arguments,
      "", N_("URL …")},
    { "version", 0, G_OPTION_FLAG_NO_ARG | G_OPTION_FLAG_HIDDEN, 
      G_OPTION_ARG_CALLBACK, option_version_cb, NULL, NULL },
    { NULL }
};

#ifdef GNOME_ENABLE_DEBUG
static GOptionEntry debug_option_entries[] =
{
    { "keep-tempdir", 0, 0, G_OPTION_ARG_NONE, &keep_temp_directory,
      "Don't delete the temporary directory on exit", NULL },
    { NULL }
};
#endif /* GNOME_ENABLE_DEBUG */
 
/* adapted from gtk+/gdk/x11/gdkdisplay-x11.c */
static guint32
get_startup_id (void)
{
    const char *startup_id, *time_str;
    guint32 retval = 0;

    startup_id = g_getenv ("DESKTOP_STARTUP_ID");
    if (startup_id == NULL) return 0;

    /* Find the launch time from the startup_id, if it's there.  Newer spec
    * states that the startup_id is of the form <unique>_TIME<timestamp>
    */
    time_str = g_strrstr (startup_id, "_TIME");
    if (time_str != NULL)
    {
        gulong value;
        gchar *end;
        errno = 0;
    
        /* Skip past the "_TIME" part */
        time_str += 5;
    
        value = strtoul (time_str, &end, 0);
        if (end != time_str && errno == 0)
        {
            retval = (guint32) value;
        }
    }

    return retval;
}

/* Copied from libnautilus/nautilus-program-choosing.c; Needed in case
 * we have no DESKTOP_STARTUP_ID (with its accompanying timestamp).
 */
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,
                       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, (unsigned char *)name, strlen (name));
    }
    
    XWindowEvent (xdisplay,
              xwindow,
              PropertyChangeMask,
              &event);
    
    XDestroyWindow(xdisplay, xwindow);
    
    return event.xproperty.time;
}

static void
show_error_message (GError **error)
{
    GtkWidget *dialog;

    /* FIXME better texts!!! */
    dialog = gtk_message_dialog_new (NULL,
                     GTK_DIALOG_MODAL,
                     GTK_MESSAGE_ERROR,
                     GTK_BUTTONS_CLOSE,
                     _("Could not start GNOME Web Browser"));
    gtk_message_dialog_format_secondary_text
        (GTK_MESSAGE_DIALOG (dialog),
         _("Startup failed because of the following error:\n%s"),
         (*error)->message);

    g_clear_error (error);

    gtk_dialog_run (GTK_DIALOG (dialog));
}

static EphyStartupFlags
get_startup_flags (void)
{
    EphyStartupFlags flags = 0;

    if (open_in_new_tab)
        flags |= EPHY_STARTUP_NEW_TAB;
    if (open_in_new_window)
        flags |= EPHY_STARTUP_NEW_WINDOW;
    if (open_as_bookmarks_editor)
        flags |= EPHY_STARTUP_BOOKMARKS_EDITOR;

    return flags;
}

int
main (int argc,
      char *argv[])
{
    GOptionContext *option_context;
    GOptionGroup *option_group;
    GError *error = NULL;
    guint32 user_time;
    gboolean arbitrary_url;
    EphyApplication *application;
    EphyApplicationStartupContext *ctx;
    EphyStartupFlags startup_flags;
    int status;

#ifdef ENABLE_NLS
    /* Initialize the i18n stuff */
    bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
    bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
    textdomain (GETTEXT_PACKAGE);
#endif

    /* Threads have to be initialised before calling ANY glib function */
    g_thread_init (NULL);

    /* check libxml2 API version epiphany was compiled with against the
     * version we're running with.
     */
    LIBXML_TEST_VERSION;

    /* sets name to help matching with the .desktop file */
    g_set_prgname ("epiphany");

    /* If we're given -remote arguments, translate them */
    if (argc >= 2 &&
        strcmp (argv[1], "-remote") == 0)
    {
        const char *opening, *closing;
        char *command, *argument;
        char **arguments;

        if (argc != 3)
        {
            g_print ("-remote allows exactly one argument\n");
            exit (1);
        }

        opening = strchr (argv[2], '(');
        closing = strchr (argv[2], ')');

        if (opening == NULL ||
            closing == NULL ||
            opening == argv[2] ||
            opening + 1 >= closing)
        {
            g_print ("Invalid argument for -remote\n");
            exit (1);
        }

        command = g_strstrip (g_strndup (argv[2], opening - argv[2]));

        /* See http://lxr.mozilla.org/seamonkey/source/xpfe/components/xremote/src/XRemoteService.cpp
         * for the commands that mozilla supports; we'll just support openURL here.
         */
        if (g_ascii_strcasecmp (command, "openURL") != 0)
        {
            g_print ("-remote command \"%s\" not supported\n", command);
            g_free (command);
            exit (1);
        }

        g_free (command);

        argument = g_strstrip (g_strndup (opening + 1, closing - opening - 1));
        arguments = g_strsplit (argument, ",", -1);
        g_free (argument);
        if (arguments == NULL)
        {
            g_print ("Invalid argument for -remote\n");

            exit (1);
        }

        /* replace arguments */
        argv[1] = g_strstrip (g_strdup (arguments[0]));
        argc = 2;

        g_strfreev (arguments);
    }

    /* Initialise our debug helpers */
    ephy_debug_init ();

    /* get this early, since gdk will unset the env var */
    user_time = get_startup_id ();

    option_context = g_option_context_new ("");
    option_group = g_option_group_new ("epiphany",
                       N_("GNOME Web Browser"),
                       N_("GNOME Web Browser options"),
                       NULL, NULL);

    g_option_group_set_translation_domain (option_group, GETTEXT_PACKAGE);

    g_option_group_add_entries (option_group, option_entries);

    g_option_context_set_main_group (option_context, option_group);

#ifdef ENABLE_INTROSPECTION
    g_option_context_add_group (option_context, g_irepository_get_option_group ());
#endif

        g_option_context_add_group (option_context, gtk_get_option_group (TRUE));
        g_option_context_add_group (option_context, egg_sm_client_get_option_group ());

#ifdef GNOME_ENABLE_DEBUG
    option_group = g_option_group_new ("debug",
                       "Epiphany debug options",
                       "Epiphany debug options",
                       NULL, NULL);
    g_option_group_add_entries (option_group, debug_option_entries);
    g_option_context_add_group (option_context, option_group);
#endif /* GNOME_ENABLE_DEBUG */

        if (!g_option_context_parse (option_context, &argc, &argv, &error))
        {
                g_print ("Failed to parse arguments: %s\n", error->message);
                g_error_free (error);
                g_option_context_free (option_context);
                exit (1);
        }
        
        g_option_context_free (option_context);

    /* Some argument sanity checks*/
    if (arguments != NULL && (session_filename != NULL || open_as_bookmarks_editor))
    {
        g_print ("Cannot use --bookmarks-editor or --load-session with URL arguments\n");
        exit (1);
    }

    if (profile_directory != NULL && private_instance == FALSE)
    {
        g_print ("--profile can only be used in combination with --private-instance\n");
        exit (1);
    }

    arbitrary_url = g_settings_get_boolean (EPHY_SETTINGS_LOCKDOWN,
                        EPHY_PREFS_LOCKDOWN_ARBITRARY_URL);

    if (arguments != NULL && arbitrary_url)
    {
        g_print ("URL loading is locked down\n");
        exit (1);
    }

    /* convert arguments to uris or at least to utf8 */
    if (arguments != NULL) {
        char **args = ephy_string_commandline_args_to_uris (arguments,
                                     &error);
        if (error) {
            g_print ("Could not convert to UTF-8: %s!\n",
                 error->message);
            g_error_free (error);
            exit (1);
        }
        g_strfreev (arguments);
        arguments = args;
    }

    /* Get a timestamp manually if need be */
    if (user_time == 0)
    {
        user_time = slowly_and_stupidly_obtain_timestamp (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()));
    }

    /* sets the name to appear in the window list applet when grouping windows */
    g_set_application_name (_("Web Browser"));

    /* Set default window icon */
    gtk_window_set_default_icon_name (EPHY_STOCK_EPHY);

    startup_error_quark = g_quark_from_static_string ("epiphany-startup-error");

    /* Start our services */
    if (!ephy_file_helpers_init (profile_directory,
                     private_instance,
                     keep_temp_directory || profile_directory,
                     &error))
    {
        show_error_message (&error);

        exit (1);
    }

    ephy_stock_icons_init ();
    ephy_file_load_accels ();

    /* Work-around Flash Player crash */
    g_setenv ("XLIB_SKIP_ARGB_VISUALS", "1", FALSE);

    /* Now create the shell */
    _ephy_shell_create_instance ();

    application = ephy_shell_get_application (ephy_shell_get_default());
    if (private_instance) {
        GApplicationFlags flags;

        flags = g_application_get_flags (G_APPLICATION (application));
        flags |= G_APPLICATION_NON_UNIQUE;

        g_application_set_flags (G_APPLICATION (application), flags);
    }
    startup_flags = get_startup_flags ();
    ctx = ephy_application_startup_context_new (startup_flags,
                            bookmarks_file,
                            session_filename,
                            bookmark_url,
                            arguments,
                            user_time);
    g_strfreev (arguments);
    ephy_application_set_startup_context (application, ctx);
    status = g_application_run (G_APPLICATION (application), argc, argv);

    /* Shutdown */
    g_object_unref (ephy_shell);

    ephy_file_save_accels ();
    ephy_state_save ();
    ephy_settings_shutdown ();
    ephy_file_helpers_shutdown ();
    xmlCleanupParser ();

    return status;
}