midori/midori/sokoke.c
Christian Dywan 25d8b8ddfc Find extensions in runtime lib path
Setting MIDORI_EXTENSION_PATH is no longer needed.
2012-06-01 00:57:49 +02:00

1692 lines
50 KiB
C

/*
Copyright (C) 2007-2011 Christian Dywan <christian@twotoasts.de>
Copyright (C) 2009 Dale Whittaker <dayul@users.sf.net>
Copyright (C) 2009 Alexander Butenko <a.butenka@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
See the file COPYING for the full license text.
*/
#include "sokoke.h"
#include "midori-core.h"
#include "midori-platform.h"
#include "midori-app.h"
#include <config.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
#include <string.h>
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif
#include <gdk/gdkkeysyms.h>
#include <glib/gi18n.h>
#include <glib/gprintf.h>
#include <glib/gstdio.h>
#include <webkit/webkit.h>
#ifdef HAVE_HILDON_FM
#include <hildon/hildon-file-chooser-dialog.h>
#endif
#if HAVE_HILDON
#include <libosso.h>
#include <hildon/hildon.h>
#include <hildon-mime.h>
#include <hildon-uri.h>
#endif
static gchar*
sokoke_js_string_utf8 (JSStringRef js_string)
{
size_t size_utf8;
gchar* string_utf8;
g_return_val_if_fail (js_string, NULL);
size_utf8 = JSStringGetMaximumUTF8CStringSize (js_string);
string_utf8 = g_new (gchar, size_utf8);
JSStringGetUTF8CString (js_string, string_utf8, size_utf8);
return string_utf8;
}
gchar*
sokoke_js_script_eval (JSContextRef js_context,
const gchar* script,
gchar** exception)
{
gchar* value;
JSStringRef js_value_string;
JSStringRef js_script;
JSValueRef js_exception = NULL;
JSValueRef js_value;
g_return_val_if_fail (js_context, FALSE);
g_return_val_if_fail (script, FALSE);
js_script = JSStringCreateWithUTF8CString (script);
js_value = JSEvaluateScript (js_context, js_script,
JSContextGetGlobalObject (js_context), NULL, 0, &js_exception);
JSStringRelease (js_script);
if (!js_value)
{
JSStringRef js_message = JSValueToStringCopy (js_context,
js_exception, NULL);
value = sokoke_js_string_utf8 (js_message);
if (exception)
*exception = value;
else
{
g_warning ("%s", value);
g_free (value);
}
JSStringRelease (js_message);
return NULL;
}
js_value_string = JSValueToStringCopy (js_context, js_value, NULL);
value = sokoke_js_string_utf8 (js_value_string);
JSStringRelease (js_value_string);
return value;
}
static void
sokoke_message_dialog_response_cb (GtkWidget* dialog,
gint response,
gpointer data)
{
gtk_widget_destroy (dialog);
}
void
sokoke_message_dialog (GtkMessageType message_type,
const gchar* short_message,
const gchar* detailed_message,
gboolean modal)
{
GtkWidget* dialog = gtk_message_dialog_new (
NULL, 0, message_type,
#if HAVE_HILDON
GTK_BUTTONS_NONE,
#else
GTK_BUTTONS_OK,
#endif
"%s", short_message);
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
"%s", detailed_message);
if (modal)
{
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
else
{
g_signal_connect (dialog, "response",
G_CALLBACK (sokoke_message_dialog_response_cb), NULL);
gtk_widget_show (dialog);
}
}
/**
* sokoke_show_uri_with_mime_type:
* @screen: a #GdkScreen, or %NULL
* @uri: the URI to show
* @mime_type: a MIME type
* @timestamp: the timestamp of the event
* @error: the location of a #GError, or %NULL
*
* Shows the specified URI with an appropriate application,
* as though it had the specified MIME type.
*
* On Maemo, hildon_mime_open_file_with_mime_type() is used.
*
* See also: sokoke_show_uri().
*
* Return value: %TRUE on success, %FALSE if an error occurred
**/
gboolean
sokoke_show_uri_with_mime_type (GdkScreen* screen,
const gchar* uri,
const gchar* mime_type,
guint32 timestamp,
GError** error)
{
gboolean success;
#if HAVE_HILDON
osso_context_t* osso;
DBusConnection* dbus;
osso = osso_initialize (PACKAGE_NAME, PACKAGE_VERSION, FALSE, NULL);
if (!osso)
{
g_print ("Failed to initialize libosso\n");
return FALSE;
}
dbus = (DBusConnection *) osso_get_dbus_connection (osso);
if (!dbus)
{
osso_deinitialize (osso);
g_print ("Failed to get dbus connection from osso context\n");
return FALSE;
}
success = (hildon_mime_open_file_with_mime_type (dbus,
uri, mime_type) == 1);
osso_deinitialize (osso);
#else
GFile* file = g_file_new_for_uri (uri);
gchar* content_type;
GAppInfo* app_info;
GList* files;
gpointer context;
content_type = g_content_type_from_mime_type (mime_type);
app_info = g_app_info_get_default_for_type (content_type,
!g_str_has_prefix (uri, "file://"));
g_free (content_type);
files = g_list_prepend (NULL, file);
#if GTK_CHECK_VERSION (2, 14, 0)
#if GTK_CHECK_VERSION (3, 0, 0)
context = gdk_display_get_app_launch_context (gdk_screen_get_display (screen));
#else
context = gdk_app_launch_context_new ();
#endif
gdk_app_launch_context_set_screen (context, screen);
gdk_app_launch_context_set_timestamp (context, timestamp);
#else
context = g_app_launch_context_new ();
#endif
success = g_app_info_launch (app_info, files, context, error);
g_object_unref (app_info);
g_list_free (files);
g_object_unref (file);
#endif
return success;
}
static void
sokoke_open_with_response_cb (GtkWidget* dialog,
gint response,
GtkEntry* entry)
{
if (response == GTK_RESPONSE_ACCEPT)
{
const gchar* command = gtk_entry_get_text (entry);
const gchar* uri = g_object_get_data (G_OBJECT (dialog), "uri");
sokoke_spawn_program (command, uri);
}
gtk_widget_destroy (dialog);
}
static GAppInfo*
sokoke_default_for_uri (const gchar* uri,
gchar** scheme_ptr)
{
gchar* scheme;
GAppInfo* info;
scheme = g_uri_parse_scheme (uri);
if (scheme_ptr != NULL)
*scheme_ptr = scheme;
if (!scheme)
return NULL;
info = g_app_info_get_default_for_uri_scheme (scheme);
#if !GLIB_CHECK_VERSION (2, 28, 0)
if (!info)
{
gchar* type = g_strdup_printf ("x-scheme-handler/%s", scheme);
info = g_app_info_get_default_for_type (type, FALSE);
g_free (type);
}
#endif
if (info != NULL && scheme_ptr != NULL)
g_free (scheme);
return info;
}
/**
* sokoke_show_uri:
* @screen: a #GdkScreen, or %NULL
* @uri: the URI to show
* @timestamp: the timestamp of the event
* @error: the location of a #GError, or %NULL
*
* Shows the specified URI with an appropriate application. This
* supports xdg-open, exo-open and gnome-open as fallbacks if
* GIO doesn't do the trick.
* x-scheme-handler is supported for GLib < 2.28 as of 0.3.3.
*
* On Maemo, hildon_uri_open() is used.
*
* Return value: %TRUE on success, %FALSE if an error occurred
**/
gboolean
sokoke_show_uri (GdkScreen* screen,
const gchar* uri,
guint32 timestamp,
GError** error)
{
#if HAVE_HILDON
HildonURIAction* action = hildon_uri_get_default_action_by_uri (uri, NULL);
return hildon_uri_open (uri, action, error);
#elif defined (G_OS_WIN32)
CoInitializeEx (NULL, COINIT_APARTMENTTHREADED);
SHELLEXECUTEINFO info = { sizeof (info) };
info.nShow = SW_SHOWNORMAL;
info.lpFile = uri;
return ShellExecuteEx (&info);
#else
#if !GLIB_CHECK_VERSION (2, 28, 0)
GAppInfo* info;
gchar* scheme;
#endif
const gchar* fallbacks [] = { "xdg-open", "exo-open", "gnome-open" };
gsize i;
GtkWidget* dialog;
GtkWidget* box;
gchar* filename;
gchar* ms;
GtkWidget* entry;
g_return_val_if_fail (GDK_IS_SCREEN (screen) || !screen, FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
g_return_val_if_fail (!error || !*error, FALSE);
sokoke_recursive_fork_protection (uri, TRUE);
#if GTK_CHECK_VERSION (2, 14, 0)
if (gtk_show_uri (screen, uri, timestamp, error))
return TRUE;
#else
if (g_app_info_launch_default_for_uri (uri, NULL, NULL))
return TRUE;
#endif
#if !GLIB_CHECK_VERSION (2, 28, 0)
info = sokoke_default_for_uri (uri, &scheme);
if (info)
{
gchar* argument = g_strdup (&uri[scheme - uri]);
GList* uris = g_list_prepend (NULL, argument);
if (g_app_info_launch_uris (info, uris, NULL, NULL))
{
g_list_free (uris);
g_free (scheme);
g_object_unref (info);
return TRUE;
}
g_list_free (uris);
g_free (scheme);
g_object_unref (info);
}
#endif
for (i = 0; i < G_N_ELEMENTS (fallbacks); i++)
{
gchar* command = g_strconcat (fallbacks[i], " ", uri, NULL);
gboolean result = g_spawn_command_line_async (command, error);
g_free (command);
if (result)
return TRUE;
if (error)
*error = NULL;
}
dialog = gtk_dialog_new_with_buttons (_("Open with"), NULL, 0,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL);
box = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
if (g_str_has_prefix (uri, "file:///"))
filename = g_filename_from_uri (uri, NULL, NULL);
else
filename = g_strdup (uri);
ms = g_strdup_printf (_("Choose an application or command to open \"%s\":"),
filename);
gtk_box_pack_start (GTK_BOX (box), gtk_label_new (ms), TRUE, FALSE, 4);
g_free (ms);
entry = gtk_entry_new ();
gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE);
gtk_box_pack_start (GTK_BOX (box), entry, TRUE, FALSE, 4);
g_signal_connect (dialog, "response",
G_CALLBACK (sokoke_open_with_response_cb), entry);
g_object_set_data_full (G_OBJECT (dialog), "uri",
filename, (GDestroyNotify)g_free);
gtk_widget_show_all (dialog);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT);
gtk_widget_grab_focus (entry);
return TRUE;
#endif
}
gboolean
sokoke_spawn_program (const gchar* command,
const gchar* argument)
{
GError* error;
g_return_val_if_fail (command != NULL, FALSE);
g_return_val_if_fail (argument != NULL, FALSE);
if (!g_strstr_len (argument, 8, "://")
&& !g_str_has_prefix (argument, "about:"))
{
gboolean success;
#if HAVE_HILDON
osso_context_t* osso;
DBusConnection* dbus;
osso = osso_initialize (PACKAGE_NAME, PACKAGE_VERSION, FALSE, NULL);
if (!osso)
{
sokoke_message_dialog (GTK_MESSAGE_ERROR,
_("Could not run external program."),
"Failed to initialize libosso", FALSE);
return FALSE;
}
dbus = (DBusConnection *) osso_get_dbus_connection (osso);
if (!dbus)
{
osso_deinitialize (osso);
sokoke_message_dialog (GTK_MESSAGE_ERROR,
_("Could not run external program."),
"Failed to get dbus connection from osso context", FALSE);
return FALSE;
}
error = NULL;
/* FIXME: This is not correct, find a proper way to do this */
success = (osso_application_top (osso, command, argument) == OSSO_OK);
osso_deinitialize (osso);
#else
GAppInfo* info;
GFile* file;
GList* files;
info = g_app_info_create_from_commandline (command,
NULL, G_APP_INFO_CREATE_NONE, NULL);
file = g_file_new_for_commandline_arg (argument);
files = g_list_append (NULL, file);
error = NULL;
success = g_app_info_launch (info, files, NULL, &error);
g_object_unref (file);
g_list_free (files);
#endif
if (!success)
{
sokoke_message_dialog (GTK_MESSAGE_ERROR,
_("Could not run external program."),
error ? error->message : "", FALSE);
if (error)
g_error_free (error);
return FALSE;
}
}
else
{
/* FIXME: Implement Hildon specific version */
gchar* uri_format;
gchar* argument_quoted;
gchar* command_ready;
gchar** argv;
if ((uri_format = strstr (command, "%u")))
uri_format[1] = 's';
argument_quoted = g_shell_quote (argument);
if (strstr (command, "%s"))
command_ready = g_strdup_printf (command, argument_quoted);
else
command_ready = g_strconcat (command, " ", argument_quoted, NULL);
g_free (argument_quoted);
error = NULL;
if (!g_shell_parse_argv (command_ready, NULL, &argv, &error))
{
sokoke_message_dialog (GTK_MESSAGE_ERROR,
_("Could not run external program."),
error->message, FALSE);
g_error_free (error);
g_free (command_ready);
return FALSE;
}
g_free (command_ready);
error = NULL;
if (!g_spawn_async (NULL, argv, NULL,
(GSpawnFlags)G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD,
NULL, NULL, NULL, &error))
{
sokoke_message_dialog (GTK_MESSAGE_ERROR,
_("Could not run external program."),
error->message, FALSE);
g_error_free (error);
}
g_strfreev (argv);
}
return TRUE;
}
void
sokoke_spawn_app (const gchar* uri,
gboolean private)
{
const gchar* executable = midori_app_get_command_line ()[0];
/* "midori"
"/usr/bin/midori"
"c:/Program Files/Midori/bin/midori.exe" */
gchar* quoted = g_shell_quote (executable);
gchar* command;
if (private)
{
gchar* quoted_config = g_shell_quote (sokoke_set_config_dir (NULL));
command = g_strconcat (quoted, " -c ", quoted_config,
" -p", NULL);
g_free (quoted_config);
}
else
command = g_strconcat (quoted, " -a", NULL);
g_free (quoted);
sokoke_spawn_program (command, uri);
g_free (command);
}
static void
sokoke_resolve_hostname_cb (SoupAddress *address,
guint status,
gpointer data)
{
if (status == SOUP_STATUS_OK)
*(gint *)data = 1;
else
*(gint *)data = 2;
}
/**
* sokoke_resolve_hostname
* @hostname: a string typed by a user
*
* Takes a string that was typed by a user,
* resolves the hostname, and returns the status.
*
* Return value: %TRUE if is a valid host, else %FALSE
**/
gboolean
sokoke_resolve_hostname (const gchar* hostname)
{
gchar* uri;
gint host_resolved = 0;
uri = g_strconcat ("http://", hostname, NULL);
if (sokoke_prefetch_uri (NULL, uri, sokoke_resolve_hostname_cb,
&host_resolved))
{
GTimer* timer = g_timer_new ();
while (!host_resolved && g_timer_elapsed (timer, NULL) < 10)
g_main_context_iteration (NULL, FALSE);
g_timer_destroy (timer);
}
g_free (uri);
return host_resolved == 1 ? TRUE : FALSE;
}
gboolean
sokoke_external_uri (const gchar* uri)
{
GAppInfo* info;
if (!uri || !strncmp (uri, "http", 4)
|| !strncmp (uri, "file", 4)
|| !strncmp (uri, "geo", 3)
|| !strncmp (uri, "about:", 6))
return FALSE;
info = sokoke_default_for_uri (uri, NULL);
if (info)
g_object_unref (info);
return info != NULL;
}
/**
* sokoke_magic_uri:
* @uri: a string typed by a user
*
* Takes a string that was typed by a user,
* guesses what it is, and returns an URI.
*
* If it was a search, %NULL will be returned.
*
* Return value: a newly allocated URI, or %NULL
**/
gchar*
sokoke_magic_uri (const gchar* uri)
{
gchar** parts;
gchar* search;
g_return_val_if_fail (uri, NULL);
/* Add file:// if we have a local path */
if (g_path_is_absolute (uri))
return g_filename_to_uri (uri, NULL, NULL);
/* Parse geo URI geo:48.202778,16.368472;crs=wgs84;u=40 as a location */
if (!strncmp (uri, "geo:", 4))
{
gchar* comma;
gchar* semicolon;
gchar* latitude;
gchar* longitude;
gchar* geo;
comma = strchr (&uri[4], ',');
/* geo:latitude,longitude[,altitude][;u=u][;crs=crs] */
if (!(comma && *comma))
return g_strdup (uri);
semicolon = strchr (comma + 1, ';');
if (!semicolon)
semicolon = strchr (comma + 1, ',');
latitude = g_strndup (&uri[4], comma - &uri[4]);
if (semicolon)
longitude = g_strndup (comma + 1, semicolon - comma - 1);
else
longitude = g_strdup (comma + 1);
geo = g_strdup_printf ("http://www.openstreetmap.org/?mlat=%s&mlon=%s",
latitude, longitude);
g_free (latitude);
g_free (longitude);
return geo;
}
if (midori_uri_is_location (uri) || sokoke_external_uri (uri))
return g_strdup (uri);
if (midori_uri_is_ip_address (uri))
return g_strconcat ("http://", uri, NULL);
search = NULL;
if (!strchr (uri, ' ') &&
((search = strchr (uri, ':')) || (search = strchr (uri, '@'))) &&
search[0] && g_ascii_isdigit (search[1]))
return g_strconcat ("http://", uri, NULL);
if ((!strcmp (uri, "localhost") || strchr (uri, '/'))
&& sokoke_resolve_hostname (uri))
return g_strconcat ("http://", uri, NULL);
if (!search)
{
parts = g_strsplit (uri, ".", 0);
if (parts[0] && parts[1])
{
if (!(parts[1][1] == '\0' && !g_ascii_isalpha (parts[1][0])))
if (!strchr (parts[0], ' ') && !strchr (parts[1], ' '))
{
search = g_strconcat ("http://", uri, NULL);
g_strfreev (parts);
return search;
}
}
g_strfreev (parts);
}
return NULL;
}
void sokoke_widget_set_visible (GtkWidget* widget, gboolean visible)
{
/* Show or hide the widget */
if (visible)
gtk_widget_show (widget);
else
gtk_widget_hide (widget);
}
typedef enum
{
SOKOKE_DESKTOP_UNTESTED,
SOKOKE_DESKTOP_XFCE,
SOKOKE_DESKTOP_OSX,
SOKOKE_DESKTOP_UNKNOWN
} SokokeDesktop;
static SokokeDesktop
sokoke_get_desktop (void)
{
#if HAVE_OSX
return SOKOKE_DESKTOP_OSX;
#elif defined (GDK_WINDOWING_X11)
static SokokeDesktop desktop = SOKOKE_DESKTOP_UNTESTED;
if (G_UNLIKELY (desktop == SOKOKE_DESKTOP_UNTESTED))
{
desktop = SOKOKE_DESKTOP_UNKNOWN;
/* Are we running in Xfce >= 4.8? */
if (!g_strcmp0 (g_getenv ("DESKTOP_SESSION"), "xfce"))
{
desktop = SOKOKE_DESKTOP_XFCE;
}
else
{
/* Are we running in Xfce <= 4.6? */
GdkDisplay* display = gdk_display_get_default ();
Display* xdisplay = GDK_DISPLAY_XDISPLAY (display);
Window root_window = RootWindow (xdisplay, 0);
Atom save_mode_atom = gdk_x11_get_xatom_by_name_for_display (
display, "_DT_SAVE_MODE");
Atom actual_type;
int actual_format;
unsigned long n_items, bytes;
gchar* value;
int status = XGetWindowProperty (xdisplay, root_window,
save_mode_atom, 0, (~0L),
False, AnyPropertyType, &actual_type, &actual_format,
&n_items, &bytes, (unsigned char**)&value);
if (status == Success)
{
if (n_items == 6 && !strncmp (value, "xfce4", 6))
desktop = SOKOKE_DESKTOP_XFCE;
XFree (value);
}
}
}
return desktop;
#else
return SOKOKE_DESKTOP_UNKNOWN;
#endif
}
/**
* sokoke_xfce_header_new:
* @icon: an icon name
* @title: the title of the header
*
* Creates an Xfce style header *if* Xfce is running.
*
* Return value: A #GtkWidget or %NULL
*
* Since 0.1.2 @icon may be NULL, and a default is used.
**/
GtkWidget*
sokoke_xfce_header_new (const gchar* icon,
const gchar* title)
{
g_return_val_if_fail (title, NULL);
/* Create an xfce header with icon and title
This returns NULL if the desktop is not Xfce */
if (sokoke_get_desktop () == SOKOKE_DESKTOP_XFCE)
{
GtkWidget* entry;
gchar* markup;
GtkWidget* xfce_heading;
GtkWidget* hbox;
GtkWidget* image;
GtkWidget* label;
GtkWidget* vbox;
GtkWidget* separator;
xfce_heading = gtk_event_box_new ();
entry = gtk_entry_new ();
hbox = gtk_hbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 6);
if (icon)
image = gtk_image_new_from_icon_name (icon, GTK_ICON_SIZE_DIALOG);
else
image = gtk_image_new_from_stock (GTK_STOCK_PREFERENCES,
GTK_ICON_SIZE_DIALOG);
gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
label = gtk_label_new (NULL);
markup = g_strdup_printf ("<span size='large' weight='bold'>%s</span>",
title);
gtk_label_set_markup (GTK_LABEL (label), markup);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_container_add (GTK_CONTAINER (xfce_heading), hbox);
g_free (markup);
gtk_widget_destroy (entry);
#if !GTK_CHECK_VERSION (3, 0, 0)
{
GtkStyle* style = gtk_widget_get_style (entry);
gtk_widget_modify_bg (xfce_heading, GTK_STATE_NORMAL,
&style->base[GTK_STATE_NORMAL]);
gtk_widget_modify_fg (label, GTK_STATE_NORMAL
, &style->text[GTK_STATE_NORMAL]);
}
#endif
vbox = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), xfce_heading, FALSE, FALSE, 0);
separator = gtk_hseparator_new ();
gtk_box_pack_start (GTK_BOX (vbox), separator, FALSE, FALSE, 0);
return vbox;
}
return NULL;
}
gchar*
sokoke_key_file_get_string_default (GKeyFile* key_file,
const gchar* group,
const gchar* key,
const gchar* default_value,
GError** error)
{
gchar* value = g_key_file_get_string (key_file, group, key, error);
return value == NULL ? g_strdup (default_value) : value;
}
gint
sokoke_key_file_get_integer_default (GKeyFile* key_file,
const gchar* group,
const gchar* key,
const gint default_value,
GError** error)
{
if (!g_key_file_has_key (key_file, group, key, NULL))
return default_value;
return g_key_file_get_integer (key_file, group, key, error);
}
gdouble
sokoke_key_file_get_double_default (GKeyFile* key_file,
const gchar* group,
const gchar* key,
const gdouble default_value,
GError** error)
{
if (!g_key_file_has_key (key_file, group, key, NULL))
return default_value;
return g_key_file_get_double (key_file, group, key, error);
}
gboolean
sokoke_key_file_get_boolean_default (GKeyFile* key_file,
const gchar* group,
const gchar* key,
const gboolean default_value,
GError** error)
{
if (!g_key_file_has_key (key_file, group, key, NULL))
return default_value;
return g_key_file_get_boolean (key_file, group, key, error);
}
gchar**
sokoke_key_file_get_string_list_default (GKeyFile* key_file,
const gchar* group,
const gchar* key,
gsize* length,
gchar** default_value,
gsize* default_length,
GError* error)
{
gchar** value = g_key_file_get_string_list (key_file, group, key, length, NULL);
if (!value)
{
value = g_strdupv (default_value);
if (length)
*length = *default_length;
}
return value;
}
gboolean
sokoke_key_file_save_to_file (GKeyFile* key_file,
const gchar* filename,
GError** error)
{
gchar* data;
gboolean success = FALSE;
data = g_key_file_to_data (key_file, NULL, error);
if (!data)
return FALSE;
success = g_file_set_contents (filename, data, -1, error);
g_free (data);
return success;
}
void
sokoke_widget_get_text_size (GtkWidget* widget,
const gchar* text,
gint* width,
gint* height)
{
PangoLayout* layout = gtk_widget_create_pango_layout (widget, text);
pango_layout_get_pixel_size (layout, width, height);
g_object_unref (layout);
}
/**
* sokoke_action_create_popup_menu_item:
* @action: a #GtkAction
*
* Creates a menu item from an action, just like
* gtk_action_create_menu_item(), but it won't
* display an accelerator.
*
* Note: This menu item is not a proxy and will
* not reflect any changes to the action.
*
* Return value: a new #GtkMenuItem
**/
GtkWidget*
sokoke_action_create_popup_menu_item (GtkAction* action)
{
GtkWidget* menuitem;
GtkWidget* icon;
gchar* label;
gchar* stock_id;
gchar* icon_name;
gboolean sensitive;
gboolean visible;
g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
if (KATZE_IS_ARRAY_ACTION (action))
return gtk_action_create_menu_item (action);
g_object_get (action,
"label", &label,
"stock-id", &stock_id,
"icon-name", &icon_name,
"sensitive", &sensitive,
"visible", &visible,
NULL);
if (GTK_IS_TOGGLE_ACTION (action))
{
menuitem = gtk_check_menu_item_new_with_mnemonic (label);
gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menuitem),
gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)));
if (GTK_IS_RADIO_ACTION (action))
gtk_check_menu_item_set_draw_as_radio (GTK_CHECK_MENU_ITEM (menuitem),
TRUE);
}
else if (stock_id)
{
if (label)
{
menuitem = gtk_image_menu_item_new_with_mnemonic (label);
icon = gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_MENU);
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (menuitem), icon);
}
else
menuitem = gtk_image_menu_item_new_from_stock (stock_id, NULL);
}
else
{
menuitem = gtk_image_menu_item_new_with_mnemonic (label);
if (icon_name)
{
icon = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (menuitem), icon);
}
}
gtk_widget_set_sensitive (menuitem, sensitive);
sokoke_widget_set_visible (menuitem, visible);
gtk_widget_set_no_show_all (menuitem, TRUE);
g_signal_connect_swapped (menuitem, "activate",
G_CALLBACK (gtk_action_activate), action);
return menuitem;
}
/**
* sokoke_time_t_to_julian:
* @timestamp: a time_t timestamp value
*
* Calculates a unix timestamp to a julian day value.
*
* Return value: an integer.
**/
gint64
sokoke_time_t_to_julian (const time_t* timestamp)
{
GDate* date;
gint64 julian;
date = g_date_new ();
g_date_set_time_t (date, *timestamp);
julian = (gint64)g_date_get_julian (date);
g_date_free (date);
return julian;
}
/**
* sokoke_set_config_dir:
* @new_config_dir: an absolute path, or %NULL
*
* Retrieves and/ or sets the base configuration folder.
*
* "/" means no configuration is saved.
*
* Return value: the configuration folder, or %NULL
**/
const gchar*
sokoke_set_config_dir (const gchar* new_config_dir)
{
static gchar* config_dir = NULL;
if (config_dir)
return config_dir;
if (!new_config_dir)
config_dir = g_build_filename (g_get_user_config_dir (),
PACKAGE_NAME, NULL);
else
{
g_return_val_if_fail (g_path_is_absolute (new_config_dir), NULL);
katze_assign (config_dir, g_strdup (new_config_dir));
}
return config_dir;
}
gboolean
sokoke_is_app_or_private (void)
{
return !strcmp ("/", sokoke_set_config_dir (NULL));
}
/**
* sokoke_remove_path:
* @path: an absolute path
* @ignore_errors: keep removing even if an error occurred
*
* Removes the file at @path or the folder including any
* child folders and files if @path is a folder.
*
* If @ignore_errors is %TRUE and @path is a folder with
* children, one of which can't be removed, remaining
* children will be deleted nevertheless
* If @ignore_errors is %FALSE and @path is a folder, the
* removal process will cancel immediately.
*
* Return value: %TRUE on success, %FALSE if an error occurred
**/
gboolean
sokoke_remove_path (const gchar* path,
gboolean ignore_errors)
{
GDir* dir = g_dir_open (path, 0, NULL);
const gchar* name;
if (!dir)
return g_remove (path) == 0;
while ((name = g_dir_read_name (dir)))
{
gchar* sub_path = g_build_filename (path, name, NULL);
if (!sokoke_remove_path (sub_path, ignore_errors) && !ignore_errors)
return FALSE;
g_free (sub_path);
}
g_dir_close (dir);
g_rmdir (path);
return TRUE;
}
/**
* sokoke_find_config_filename:
* @folder: a subfolder
* @filename: a filename or relative path
*
* Looks for the specified filename in the system config
* directories, depending on the platform.
*
* Return value: a full path
**/
gchar*
sokoke_find_config_filename (const gchar* folder,
const gchar* filename)
{
const gchar* const* config_dirs = g_get_system_config_dirs ();
guint i = 0;
const gchar* config_dir;
gchar* path;
if (!folder)
folder = "";
while ((config_dir = config_dirs[i++]))
{
path = g_build_filename (config_dir, PACKAGE_NAME, folder, filename, NULL);
if (g_access (path, F_OK) == 0)
return path;
g_free (path);
}
#ifdef G_OS_WIN32
config_dir = g_win32_get_package_installation_directory_of_module (NULL);
path = g_build_filename (config_dir, "etc", "xdg", PACKAGE_NAME, folder, filename, NULL);
if (g_access (path, F_OK) == 0)
return path;
g_free (path);
#endif
return g_build_filename (SYSCONFDIR, "xdg", PACKAGE_NAME, folder, filename, NULL);
}
/**
* sokoke_find_data_filename:
* @filename: a filename or relative path
*
* Looks for the specified filename in the system data
* directories, depending on the platform.
*
* Return value: a newly allocated full path
**/
gchar*
sokoke_find_data_filename (const gchar* filename,
gboolean res)
{
const gchar* res1 = res ? PACKAGE_NAME : "";
const gchar* res2 = res ? "res" : "";
const gchar* const* data_dirs = g_get_system_data_dirs ();
guint i = 0;
const gchar* data_dir;
gchar* path;
#ifdef G_OS_WIN32
gchar* install_path = g_win32_get_package_installation_directory_of_module (NULL);
path = g_build_filename (install_path, "share", res1, res2, filename, NULL);
g_free (install_path);
if (g_access (path, F_OK) == 0)
return path;
g_free (path);
#endif
path = g_build_filename (g_get_user_data_dir (), res1, res2, filename, NULL);
if (g_access (path, F_OK) == 0)
return path;
g_free (path);
while ((data_dir = data_dirs[i++]))
{
path = g_build_filename (data_dir, res1, res2, filename, NULL);
if (g_access (path, F_OK) == 0)
return path;
g_free (path);
}
return g_build_filename (MDATADIR, res1, res2, filename, NULL);
}
gchar*
sokoke_replace_variables (const gchar* template,
const gchar* variable_first, ...)
{
gchar* result = g_strdup (template);
const gchar* variable;
va_list args;
va_start (args, variable_first);
for (variable = variable_first; variable; variable = va_arg (args, const gchar*))
{
const gchar* value = va_arg (args, const gchar*);
GRegex* regex = g_regex_new (variable, 0, 0, NULL);
gchar* replaced = result;
result = g_regex_replace_literal (regex, replaced, -1, 0, value, 0, NULL);
g_free (replaced);
g_regex_unref (regex);
}
va_end (args);
return result;
}
/**
* sokoke_window_activate_key:
* @window: a #GtkWindow
* @event: a #GdkEventKey
*
* Attempts to activate they key from the event, much
* like gtk_window_activate_key(), including keys
* that gtk_accelerator_valid() considers invalid.
*
* Return value: %TRUE on success
**/
gboolean
sokoke_window_activate_key (GtkWindow* window,
GdkEventKey* event)
{
gchar *accel_name;
GQuark accel_quark;
GObject* object;
GSList *slist;
if (gtk_window_activate_key (window, event))
return TRUE;
/* Hack to allow Ctrl + Shift + Tab */
if (event->keyval == 65056)
event->keyval = GDK_KEY_Tab;
/* We don't use gtk_accel_groups_activate because it refuses to
activate anything that gtk_accelerator_valid doesn't like. */
accel_name = gtk_accelerator_name (event->keyval, (event->state & gtk_accelerator_get_default_mod_mask ()));
accel_quark = g_quark_from_string (accel_name);
g_free (accel_name);
object = G_OBJECT (window);
for (slist = gtk_accel_groups_from_object (object); slist; slist = slist->next)
if (gtk_accel_group_activate (slist->data, accel_quark,
object, event->keyval, event->state))
return TRUE;
return FALSE;
}
/**
* sokoke_gtk_action_count_modifiers:
* @action: a #GtkAction
*
* Counts the number of modifiers in the accelerator
* belonging to the action.
*
* Return value: the number of modifiers
**/
guint
sokoke_gtk_action_count_modifiers (GtkAction* action)
{
GtkAccelKey key;
gint mods, cmods = 0;
const gchar* accel_path;
g_return_val_if_fail (GTK_IS_ACTION (action), 0);
accel_path = gtk_action_get_accel_path (action);
if (accel_path)
if (gtk_accel_map_lookup_entry (accel_path, &key))
{
mods = key.accel_mods;
while (mods)
{
if (1 & mods >> 0)
cmods++;
mods = mods >> 1;
}
}
return cmods;
}
/**
* sokoke_file_chooser_dialog_new:
* @title: a window title, or %NULL
* @window: a parent #GtkWindow, or %NULL
* @action: a #GtkFileChooserAction
*
* Creates a new file chooser dialog, as appropriate for
* the platform, with buttons according to the @action.
*
* The positive response is %GTK_RESPONSE_OK.
*
* Return value: a new #GtkFileChooser
**/
GtkWidget*
sokoke_file_chooser_dialog_new (const gchar* title,
GtkWindow* window,
GtkFileChooserAction action)
{
const gchar* stock_id = GTK_STOCK_OPEN;
GtkWidget* dialog;
if (action == GTK_FILE_CHOOSER_ACTION_SAVE)
stock_id = GTK_STOCK_SAVE;
#ifdef HAVE_HILDON_FM
dialog = hildon_file_chooser_dialog_new (window, action);
#else
dialog = gtk_file_chooser_dialog_new (title, window, action,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
stock_id, GTK_RESPONSE_OK, NULL);
gtk_window_set_icon_name (GTK_WINDOW (dialog), stock_id);
#endif
return dialog;
}
/**
* sokoke_prefetch_uri:
* @settings: a #MidoriWebSettings instance, or %NULL
* @uri: an URI string
*
* Attempts to prefetch the specified URI, that is
* it tries to resolve the hostname in advance.
*
* Return value: %TRUE on success
**/
gboolean
sokoke_prefetch_uri (MidoriWebSettings* settings,
const char* uri,
SoupAddressCallback callback,
gpointer user_data)
{
#define MAXHOSTS 50
static gchar* hosts = NULL;
static gint host_count = G_MAXINT;
gchar* hostname;
if (settings && !katze_object_get_boolean (settings, "enable-dns-prefetching"))
return FALSE;
if (!(hostname = midori_uri_parse_hostname (uri, NULL))
|| g_hostname_is_ip_address (hostname)
|| !midori_uri_is_http (uri))
{
g_free (hostname);
return FALSE;
}
if (!hosts ||
!g_regex_match_simple (hostname, hosts,
G_REGEX_CASELESS, G_REGEX_MATCH_NOTEMPTY))
{
SoupAddress* address;
gchar* new_hosts;
address = soup_address_new (hostname, SOUP_ADDRESS_ANY_PORT);
soup_address_resolve_async (address, 0, 0, callback, user_data);
g_object_unref (address);
if (host_count > MAXHOSTS)
{
katze_assign (hosts, g_strdup (""));
host_count = 0;
}
host_count++;
new_hosts = g_strdup_printf ("%s|%s", hosts, hostname);
katze_assign (hosts, new_hosts);
}
else if (callback)
callback (NULL, SOUP_STATUS_OK, user_data);
g_free (hostname);
return TRUE;
}
/**
* sokoke_recursive_fork_protection
* @uri: the URI to check
* @set_uri: if TRUE the URI will be saved
*
* Protects against recursive invokations of the Midori executable
* with the same URI.
*
* As an example, consider having an URI starting with 'tel://'. You
* could attempt to open it with sokoke_show_uri. In turn, 'exo-open'
* might be called. Now quite possibly 'exo-open' is unable to handle
* 'tel://' and might well fall back to 'midori' as default browser.
*
* To protect against this scenario, call this function with the
* URI and %TRUE before calling any external tool.
* #MidoriApp calls sokoke_recursive_fork_protection() with %FALSE
* and bails out if %FALSE is returned.
*
* Return value: %TRUE if @uri is new, %FALSE on recursion
**/
gboolean
sokoke_recursive_fork_protection (const gchar* uri,
gboolean set_uri)
{
static gchar* fork_uri = NULL;
if (set_uri)
katze_assign (fork_uri, g_strdup (uri));
return g_strcmp0 (fork_uri, uri) == 0 ? FALSE : TRUE;
}
/* Provide a new way for SoupSession to assume an 'Accept-Language'
string automatically from the return value of g_get_language_names(),
properly formatted according to RFC2616.
Copyright (C) 2009 Mario Sanchez Prada <msanchez@igalia.com>
Copyright (C) 2009 Dan Winship <danw@gnome.org>
Mostly copied from libSoup 2.29, coding style adjusted */
/* Converts a language in POSIX format and to be RFC2616 compliant */
/* Based on code from epiphany-webkit (ephy_langs_append_languages()) */
static gchar *
sokoke_posix_lang_to_rfc2616 (const gchar *language)
{
if (!strchr (language, '.') && !strchr (language, '@') && language[0] != 'C')
/* change to lowercase and '_' to '-' */
return g_strdelimit (g_ascii_strdown (language, -1), "_", '-');
return NULL;
}
/* Adds a quality value to a string (any value between 0 and 1). */
static gchar *
sokoke_add_quality_value (const gchar *str,
float qvalue)
{
if ((qvalue >= 0.0) && (qvalue <= 1.0))
{
int qv_int = (qvalue * 1000 + 0.5);
return g_strdup_printf ("%s;q=%d.%d",
str, (int) (qv_int / 1000), qv_int % 1000);
}
return g_strdup (str);
}
/* Returns a RFC2616 compliant languages list from system locales */
gchar *
sokoke_accept_languages (const gchar* const * lang_names)
{
GArray *langs_garray = NULL;
char *cur_lang = NULL;
char *prev_lang = NULL;
char **langs_array;
char *langs_str;
float delta;
int i, n_lang_names;
/* Calculate delta for setting the quality values */
n_lang_names = g_strv_length ((gchar **)lang_names);
delta = 0.999 / (n_lang_names - 1);
/* Build the array of languages */
langs_garray = g_array_new (TRUE, FALSE, sizeof (char*));
for (i = 0; lang_names[i] != NULL; i++)
{
cur_lang = sokoke_posix_lang_to_rfc2616 (lang_names[i]);
/* Apart from getting a valid RFC2616 compliant
language, also get rid of extra variants */
if (cur_lang && (!prev_lang ||
(!strcmp (prev_lang, cur_lang) || !strstr (prev_lang, cur_lang))))
{
gchar *qv_lang = NULL;
/* Save reference for further comparison */
prev_lang = cur_lang;
/* Add the quality value and append it */
qv_lang = sokoke_add_quality_value (cur_lang, 1 - i * delta);
g_array_append_val (langs_garray, qv_lang);
}
}
/* Fallback: add "en" if list is empty */
if (langs_garray->len == 0)
{
gchar* fallback = g_strdup ("en");
g_array_append_val (langs_garray, fallback);
}
langs_array = (char **) g_array_free (langs_garray, FALSE);
langs_str = g_strjoinv (", ", langs_array);
return langs_str;
}
/**
* sokoke_register_privacy_item:
* @name: the name of the privacy item
* @label: a user visible, localized label
* @clear: a callback clearing data
*
* Registers an item to clear data, either via the
* Clear Private Data dialogue or when Midori quits.
*
* Return value: a #GList if all arguments are %NULL
**/
GList*
sokoke_register_privacy_item (const gchar* name,
const gchar* label,
GCallback clear)
{
static GList* items = NULL;
SokokePrivacyItem* item;
if (name == NULL && label == NULL && clear == NULL)
return items;
g_return_val_if_fail (name != NULL, NULL);
g_return_val_if_fail (label != NULL, NULL);
g_return_val_if_fail (clear != NULL, NULL);
item = g_new (SokokePrivacyItem, 1);
item->name = g_strdup (name);
item->label = g_strdup (label);
item->clear = clear;
items = g_list_append (items, item);
return NULL;
}
void
sokoke_widget_copy_clipboard (GtkWidget* widget,
const gchar* text)
{
GdkDisplay* display = gtk_widget_get_display (widget);
GtkClipboard* clipboard;
clipboard = gtk_clipboard_get_for_display (display, GDK_SELECTION_CLIPBOARD);
gtk_clipboard_set_text (clipboard, text ? text : "", -1);
clipboard = gtk_clipboard_get_for_display (display, GDK_SELECTION_PRIMARY);
gtk_clipboard_set_text (clipboard, text ? text : "", -1);
}
gchar*
sokoke_build_thumbnail_path (const gchar* name)
{
gchar* path = NULL;
if (name != NULL)
{
gchar* checksum = g_compute_checksum_for_string (G_CHECKSUM_MD5, name, -1);
gchar* filename = g_strdup_printf ("%s.png", checksum);
path = g_build_filename (g_get_user_cache_dir (), "midori", "thumbnails",
filename, NULL);
g_free (filename);
g_free (checksum);
}
return path;
}
gchar*
midori_download_prepare_tooltip_text (WebKitDownload* download)
{
gdouble* last_time;
guint64* last_size;
gint hour = 3600, min = 60;
gint hours_left, minutes_left, seconds_left;
guint64 total_size = webkit_download_get_total_size (download);
guint64 current_size = webkit_download_get_current_size (download);
gdouble time_elapsed = webkit_download_get_elapsed_time (download);
gdouble time_estimated, time_diff;
gchar* current, *total, *download_speed;
gchar* hours_str, *minutes_str, *seconds_str;
GString* tooltip = g_string_new (NULL);
time_diff = time_elapsed / current_size;
time_estimated = (total_size - current_size) * time_diff;
hours_left = time_estimated / hour;
minutes_left = (time_estimated - (hours_left * hour)) / min;
seconds_left = (time_estimated - (hours_left * hour) - (minutes_left * min));
hours_str = g_strdup_printf (ngettext ("%d hour", "%d hours", hours_left), hours_left);
minutes_str = g_strdup_printf (ngettext ("%d minute", "%d minutes", minutes_left), minutes_left);
seconds_str = g_strdup_printf (ngettext ("%d second", "%d seconds", seconds_left), seconds_left);
current = g_format_size (current_size);
total = g_format_size (total_size);
last_time = g_object_get_data (G_OBJECT (download), "last-time");
last_size = g_object_get_data (G_OBJECT (download), "last-size");
/* i18n: Download tooltip (size): 4KB of 43MB */
g_string_append_printf (tooltip, _("%s of %s"), current, total);
g_free (current);
g_free (total);
if (time_elapsed != *last_time)
download_speed = g_format_size (
(current_size - *last_size) / (time_elapsed - *last_time));
else
/* i18n: Unknown number of bytes, used for transfer rate like ?B/s */
download_speed = g_strdup (_("?B"));
/* i18n: Download tooltip (transfer rate): (130KB/s) */
g_string_append_printf (tooltip, _(" (%s/s)"), download_speed);
g_free (download_speed);
if (time_estimated > 0)
{
gchar* eta = NULL;
if (hours_left > 0)
eta = g_strdup_printf ("%s, %s", hours_str, minutes_str);
else if (minutes_left >= 10)
eta = g_strdup_printf ("%s", minutes_str);
else if (minutes_left < 10 && minutes_left > 0)
eta = g_strdup_printf ("%s, %s", minutes_str, seconds_str);
else if (seconds_left > 0)
eta = g_strdup_printf ("%s", seconds_str);
if (eta != NULL)
{
/* i18n: Download tooltip (estimated time) : - 1 hour, 5 minutes remaning */
g_string_append_printf (tooltip, _(" - %s remaining"), eta);
g_free (eta);
}
}
g_free (hours_str);
g_free (seconds_str);
g_free (minutes_str);
if (time_elapsed - *last_time > 5.0)
{
*last_time = time_elapsed;
*last_size = current_size;
}
return g_string_free (tooltip, FALSE);
}
static gboolean
sokoke_entry_has_placeholder_text (GtkEntry* entry)
{
const gchar* text = gtk_entry_get_text (entry);
const gchar* hint = gtk_entry_get_placeholder_text (entry);
if (!gtk_widget_has_focus (GTK_WIDGET (entry))
&& hint != NULL
&& (text == NULL || !strcmp (text, hint)))
return TRUE;
return FALSE;
}
static void
sokoke_entry_changed_cb (GtkEditable* editable,
GtkEntry* entry)
{
const gchar* text = gtk_entry_get_text (entry);
gboolean visible = text && *text
&& ! sokoke_entry_has_placeholder_text (entry);
gtk_icon_entry_set_icon_from_stock (
GTK_ICON_ENTRY (entry),
GTK_ICON_ENTRY_SECONDARY,
visible ? GTK_STOCK_CLEAR : NULL);
}
static gboolean
sokoke_entry_focus_out_event_cb (GtkEditable* editable,
GdkEventFocus* event,
GtkEntry* entry)
{
sokoke_entry_changed_cb (editable, entry);
return FALSE;
}
static void
sokoke_entry_icon_released_cb (GtkEntry* entry,
GtkIconEntryPosition icon_pos,
GdkEvent* event,
gpointer user_data)
{
if (icon_pos != GTK_ICON_ENTRY_SECONDARY)
return;
gtk_entry_set_text (entry, "");
gtk_widget_grab_focus (GTK_WIDGET (entry));
}
void
sokoke_entry_set_clear_button_visible (GtkEntry* entry,
gboolean visible)
{
g_return_if_fail (GTK_IS_ENTRY (entry));
gtk_icon_entry_set_icon_highlight (GTK_ICON_ENTRY (entry),
GTK_ICON_ENTRY_SECONDARY, TRUE);
if (visible)
{
g_object_connect (entry,
"signal::icon-release",
G_CALLBACK (sokoke_entry_icon_released_cb), NULL,
"signal::focus-in-event",
G_CALLBACK (sokoke_entry_focus_out_event_cb), entry,
"signal::focus-out-event",
G_CALLBACK (sokoke_entry_focus_out_event_cb), entry,
"signal::changed",
G_CALLBACK (sokoke_entry_changed_cb), entry, NULL);
sokoke_entry_changed_cb ((GtkEditable*)entry, entry);
}
else
{
g_object_disconnect (entry,
"any_signal::icon-release",
G_CALLBACK (sokoke_entry_icon_released_cb), NULL,
"any_signal::focus-in-event",
G_CALLBACK (sokoke_entry_focus_out_event_cb), entry,
"any_signal::focus-out-event",
G_CALLBACK (sokoke_entry_focus_out_event_cb), entry,
"any_signal::changed",
G_CALLBACK (sokoke_entry_changed_cb), entry, NULL);
gtk_icon_entry_set_icon_from_stock (
GTK_ICON_ENTRY (entry), GTK_ICON_ENTRY_SECONDARY, NULL);
}
}
gchar*
sokoke_get_download_filename (WebKitDownload* download)
{
/* https://bugs.webkit.org/show_bug.cgi?id=83161 */
/* https://d19vezwu8eufl6.cloudfront.net/nlp/slides%2F03-01-FormalizingNB.pdf */
gchar* filename = g_strdup (webkit_download_get_suggested_filename (download));
#ifdef G_OS_WIN32
g_strdelimit (filename, "/\\<>:\"|?*", '_');
#else
g_strdelimit (filename, "/", '_');
#endif
return filename;
}