forked from osmocom/wireshark
66ce7f3623
svn path=/trunk/; revision=13152
298 lines
8.3 KiB
C
298 lines
8.3 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* Web Browser Plug-in
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* Copyright (C) 2003 Henrik Brix Andersen <brix@gimp.org>
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*
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* $Id$
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* Ethereal - this file is copied from "The GIMP" V2.0.2
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* You will find the original file in the gimp distribution zip under:
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* \plug-ins\common\webbrowser.c
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*
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* It was modified to suit the Ethereal environment (#if 0)!
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*/
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#include "config.h"
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#include <string.h> /* strlen, strstr */
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#include <gtk/gtk.h>
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#include <epan/filesystem.h>
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#include <epan/prefs.h>
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#include "webbrowser.h"
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#include "compat_macros.h"
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#include "simple_dialog.h"
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/*
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* For GNOME 2.x, we might be able to use "gnome_url_show()" (when we offer
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* the ability to build a GNOMEified Ethereal as well as a GTK+-only
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* Ethereal).
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*/
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#if defined(G_OS_WIN32)
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/* Win32 - use Windows shell services to start a browser */
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#include <windows.h>
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/* if WIN32_LEAN_AND_MEAN is defined, shellapi.h is needed too */
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#include <shellapi.h>
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#elif defined (HAVE_OS_X_FRAMEWORKS)
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/* Mac OS X - use Launch Services to start a browser */
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#include <CoreFoundation/CFBase.h>
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#include <CoreFoundation/CFString.h>
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#include <CoreFoundation/CFURL.h>
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#include <ApplicationServices/ApplicationServices.h>
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#else
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/* Everything else - launch the browser ourselves */
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#define MUST_LAUNCH_BROWSER_OURSELVES
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#endif
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/*
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* XXX - we use GLib 2.x routines to launch the browser ourselves, so we
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* can't do it if we're using GLib 1.2[.x].
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*/
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#ifdef MUST_LAUNCH_BROWSER_OURSELVES
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#if (GLIB_MAJOR_VERSION < 2)
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#undef MUST_LAUNCH_BROWSER_OURSELVES /* *can't* launch browser ourselves */
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#endif /* (GLIB_MAJOR_VERSION < 2) */
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#endif /* MUST_LAUNCH_BROWSER_OURSELVES */
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#ifdef MUST_LAUNCH_BROWSER_OURSELVES
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static gchar* strreplace (const gchar *string,
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const gchar *delimiter,
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const gchar *replacement);
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#endif
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gboolean
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browser_needs_pref(void)
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{
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#ifdef MUST_LAUNCH_BROWSER_OURSELVES
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return TRUE;
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#else
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return FALSE;
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#endif
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}
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gboolean
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browser_open_url (const gchar *url)
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{
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#if defined(G_OS_WIN32)
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return ((gint) ShellExecute (HWND_DESKTOP, "open", url, NULL, NULL, SW_SHOWNORMAL) > 32);
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#elif defined(HAVE_OS_X_FRAMEWORKS)
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CFStringRef url_CFString;
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CFURLRef url_CFURL;
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OSStatus status;
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/*
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* XXX - if URLs passed to "browser_open_url()" contain non-ASCII
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* characters, we'd have to choose an appropriate value from the
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* CFStringEncodings enum.
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*/
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url_CFString = CFStringCreateWithCString(NULL, url, kCFStringEncodingASCII);
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url_CFURL = CFURLCreateWithString(NULL, url_CFString, NULL);
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/*
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* XXX - this is a Launch Services result code, and we should probably
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* display a dialog box if it's not 0, describing what the error was.
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* Then again, we should probably do the same for the ShellExecute call,
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* unless that call itself happens to pop up a dialog box for all errors.
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*/
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status = LSOpenCFURLRef(url_CFURL, NULL);
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CFRelease(url_CFURL);
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CFRelease(url_CFString);
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return (status == 0);
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#elif defined(MUST_LAUNCH_BROWSER_OURSELVES)
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GError *error = NULL;
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gchar *browser;
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gchar *argument;
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gchar *cmd;
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gchar **argv;
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gboolean retval;
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g_return_val_if_fail (url != NULL, FALSE);
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/* browser = gimp_gimprc_query ("web-browser");*/
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browser = g_strdup(prefs.gui_webbrowser);
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if (browser == NULL || ! strlen (browser))
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{
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simple_dialog(ESD_TYPE_WARN, ESD_BTN_OK,
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"Web browser not specified.\n"
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"Please correct the web browser setting in the Preferences dialog.");
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g_free (browser);
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return FALSE;
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}
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/* quote the url since it might contains special chars */
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argument = g_shell_quote (url);
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/* replace %s with URL */
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if (strstr (browser, "%s"))
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cmd = strreplace (browser, "%s", argument);
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else
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cmd = g_strconcat (browser, " ", argument, NULL);
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g_free (argument);
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/* parse the cmd line */
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if (! g_shell_parse_argv (cmd, NULL, &argv, &error))
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{
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simple_dialog(ESD_TYPE_WARN, ESD_BTN_OK,
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PRIMARY_TEXT_START "Could not parse web browser command: \"%s\"" PRIMARY_TEXT_END
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"\n\n\"%s\"\n\n%s",
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browser, error->message,
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"Please correct the web browser setting in the Preferences dialog.");
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g_error_free (error);
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return FALSE;
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}
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retval = g_spawn_async (NULL, argv, NULL,
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G_SPAWN_SEARCH_PATH,
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NULL, NULL,
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NULL, &error);
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if (! retval)
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{
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simple_dialog(ESD_TYPE_WARN, ESD_BTN_OK,
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PRIMARY_TEXT_START "Could not execute web browser: \"%s\"" PRIMARY_TEXT_END
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"\n\n\"%s\"\n\n%s",
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browser, error->message,
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"Please correct the web browser setting in the Preferences dialog.");
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g_error_free (error);
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}
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g_free (browser);
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g_free (cmd);
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g_strfreev (argv);
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return retval;
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#else
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/* GLIB version 1.x doesn't support the functions used above,
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so simply do nothing for now, to be able to compile.
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XXX - has to be improved */
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simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK,
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PRIMARY_TEXT_START "Web browser access not implemented." PRIMARY_TEXT_END
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"\n\nThis Ethereal version (using the GLib 1.x toolkit) can't access web browsers. "
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"\n\nYou may try to open the following URL in your web browser: \n\n"
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"%s",
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url);
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return FALSE;
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#endif
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}
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#ifdef MUST_LAUNCH_BROWSER_OURSELVES
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static gchar*
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strreplace (const gchar *string,
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const gchar *delimiter,
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const gchar *replacement)
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{
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gchar *ret;
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gchar **tmp;
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g_return_val_if_fail (string != NULL, NULL);
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g_return_val_if_fail (delimiter != NULL, NULL);
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g_return_val_if_fail (replacement != NULL, NULL);
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tmp = g_strsplit (string, delimiter, 0);
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ret = g_strjoinv (replacement, tmp);
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g_strfreev (tmp);
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return ret;
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}
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#endif /* MUST_LAUNCH_BROWSER_OURSELVES */
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/** Convert local absolute path to uri.
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*
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* @param filename to (absolute pathed) filename to convert
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* @return a newly allocated uri, you must g_free it later
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*/
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static gchar *
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filename2uri(gchar *filename)
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{
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int i = 0;
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gchar *file_tmp;
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GString *filestr;
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filestr = g_string_sized_new(200);
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/* this escaping is somewhat slow but should working fine */
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for(i=0; filename[i]; i++) {
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switch(filename[i]) {
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case(' '):
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g_string_append(filestr, "%20");
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break;
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case('%'):
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g_string_append(filestr, "%%");
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break;
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case('\\'):
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g_string_append_c(filestr, '/');
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break;
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/* XXX - which other chars need to be escaped? */
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default:
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g_string_append_c(filestr, filename[i]);
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}
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}
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/* prepend URI header "file:" appropriate for the system */
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#ifdef G_OS_WIN32
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/* XXX - how do we handle UNC names (e.g. //servername/sharename/dir1/dir2/capture-file.cap) */
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g_string_prepend(filestr, "file:///");
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#else
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g_string_prepend(filestr, "file://");
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#endif
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file_tmp = filestr->str;
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g_string_free(filestr, FALSE /* don't free segment data */);
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return file_tmp;
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}
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/* browse a file relative to the data dir */
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void
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browser_open_data_file(const gchar *filename)
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{
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gchar *file_path;
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gchar *uri;
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/* build filename */
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file_path = g_strdup_printf("%s/%s", get_datafile_dir(), filename);
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/* XXX - check, if the file is really existing, otherwise display a simple_dialog about the problem */
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/* convert filename to uri */
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uri = filename2uri(file_path);
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/* show the uri */
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browser_open_url (uri);
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g_free(file_path);
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g_free(uri);
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}
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