path: root/embed/ephy-embed-utils.c

/*
 *  Copyright (C) 2000, 2001, 2002 Marco Pesenti Gritti
 *
 *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "eel-gconf-extensions.h"
#include "ephy-embed-utils.h"
#include "ephy-embed-shell.h"
#include "ephy-bonobo-extensions.h"
#include "ephy-gui.h"
#include "ephy-debug.h"

#include <gtk/gtkdialog.h>
#include <gtk/gtkmessagedialog.h>
#include <bonobo/bonobo-i18n.h>
#include <bonobo/bonobo-ui-util.h>
#include <libgnomevfs/gnome-vfs-uri.h>
#include <string.h>

/**
 * ephy_embed_utils_save:
 * @window: the referrer window. Used to parent the dialogs.
 * @default_dir_pref: the gconf path to persist the directory selected by the user.
 * @ask_dest: ask the user the destination path
 * @ask_content: show the user an option to save the content
 * of the web page (images, javascript...)
 * @persist: the #GaleonEmbedPersist referring to the url
 *
 * Download a save an url asking a location to the user when requested
 **/
void
ephy_embed_utils_save (GtkWidget *window,
               const char *default_dir_pref,
               gboolean ask_dest, gboolean ask_content,
               EphyEmbedPersist *persist)
{
    GnomeVFSURI *uri;
        char *retPath = NULL;
        char *fileName = NULL;
        char *dirName = NULL;
        char *retDir;
    char *target;
    const char *source;
        gresult ret;
    EphyEmbed *embed;
    EmbedPersistFlags flags;
    gboolean content;

    g_object_ref (G_OBJECT(persist));

    ephy_embed_persist_get_flags (persist, &flags);

    ephy_embed_persist_get_source (persist, &source);

    if (source)
    {
        target = g_strdup (source);
    }
    else
    {
        ephy_embed_persist_get_embed (persist, &embed);
        g_return_if_fail (embed != NULL);

        ephy_embed_get_location (embed,
                     flags &
                     EMBED_PERSIST_MAINDOC,
                     &target);
    }

        /* Get a filename from the target url */
        uri = gnome_vfs_uri_new (target);
        if (uri)
        {
                fileName = gnome_vfs_uri_extract_short_name (uri);
                gnome_vfs_uri_unref (uri);
        }

        dirName = eel_gconf_get_string (default_dir_pref);
        if (dirName && dirName[0] == '\0')
        {
        g_free (dirName);
                dirName = NULL;
        }

        if (!dirName || strcmp (dirName,"~") == 0)
        {
                g_free (dirName);
                dirName = g_strdup(g_get_home_dir ());
        }

    /* If we aren't asking for downloading dir, check that we aren't
     * overwriting anything.  If we are, pop up a warning dialog and show
     * the filepicker if the user doesn't want to overwrite the file.
     */
    ret = G_FAILED;
    if (!ask_dest)
    {
        retPath = g_build_filename (dirName, fileName, NULL);
        if (ephy_gui_confirm_overwrite_file (window, retPath))
        {
            ret = G_OK;
        }
        else
        {
            g_free (retPath);
            ask_dest = TRUE;
        }
    }

    if (ask_dest)
    {
        /* show the file picker */
        ret = ephy_embed_shell_show_file_picker
                    (embed_shell, window,
                                        _("Select the destination filename"),
                                        dirName, fileName, modeSave, &retPath,
                                        ask_content ? &content : NULL,
                                        NULL, NULL);
    }

        if (ret == G_OK)
        {
                uri = gnome_vfs_uri_new (retPath);
        g_return_if_fail (uri != NULL);

                retDir = gnome_vfs_uri_extract_dirname (uri);

                if (ask_content && content)
        {
            flags |= EMBED_PERSIST_SAVE_CONTENT;
            ephy_embed_persist_set_flags (persist,
                              flags);
        }

        ephy_embed_persist_set_dest (persist, retPath);

        ephy_embed_persist_save (persist);

                /* set default save dir */
                eel_gconf_set_string (default_dir_pref,
                                     retDir);

                g_free (retDir);
                gnome_vfs_uri_unref (uri);
        }

    g_object_unref (G_OBJECT(persist));

        g_free (dirName);
        g_free (fileName);
        g_free (retPath);
}

static void
build_group (GString *xml_string, const char *group, int index)
{
    char *tmp;

    tmp = g_strdup_printf ("<submenu label=\"%s\" name=\"CharsetGroup%d\">\n", 
                   group, index);
    xml_string = g_string_append (xml_string, tmp);
    g_free (tmp);
}

static void
build_charset (GString *xml_string, const CharsetInfo *info, int index)
{
    char *tmp;
    char *verb;

    verb = g_strdup_printf ("Charset%d", index);
    tmp = g_strdup_printf ("<menuitem label=\"%s\" name=\"%s\" verb=\"%s\"/>\n",
                   info->title, verb, verb);
    xml_string = g_string_append (xml_string, tmp);

    g_free (tmp);
    g_free (verb);
}

static void
add_verbs (BonoboUIComponent *ui_component,
       BonoboUIVerbFn fn, GList *verbs)
{
    GList *l;
    char verb[15];
    int charset_index = 0;

    for (l = verbs; l != NULL; l = l->next)
    {
        EncodingMenuData *edata = (EncodingMenuData *)l->data;

        sprintf (verb, "Charset%d", charset_index);
        charset_index++;
        bonobo_ui_component_add_verb_full
            (ui_component, verb,
                 g_cclosure_new (G_CALLBACK (fn), edata,
             (GClosureNotify)g_free));
    }
}

/**
 * ephy_embed_utils_build_charsets_submenu:
 * @ui_component: the parent #BonoboUIComponent
 * @path: the bonoboui path where to create the submenu.
 * It's recommended to use a <placeholder/>
 * @fn: callback to report the selected charsets
 * @data: the data passed to the callback
 *
 * Create a charset submenu using bonobo ui.
 **/
void
ephy_embed_utils_build_charsets_submenu (BonoboUIComponent *ui_component,
                     const char *path,
                     BonoboUIVerbFn fn,
                     gpointer data)
{
    GList *groups, *gl;
    GString *xml_string;
    GList *verbs = NULL;
    int group_index = 0;
    int charset_index = 0;

    START_PROFILER ("Charsets menu")

    g_return_if_fail (IS_EPHY_EMBED_SHELL (embed_shell));
    g_return_if_fail (ephy_embed_shell_get_charset_groups (embed_shell, &groups) == G_OK);

    xml_string = g_string_new (NULL);
    g_string_append (xml_string, "<submenu name=\"Encoding\" _label=\"_Encoding\">");

    for (gl = groups; gl != NULL; gl = gl->next)
        {
        GList *charsets, *cl;
        const char *group = (const char *)groups->data;

        build_group (xml_string, group, group_index);

        ephy_embed_shell_get_charset_titles (embed_shell,
                                                     group,
                                                     &charsets);

        for (cl = charsets; cl != NULL; cl = cl->next)
                {
            const CharsetInfo *info = cl->data;
            EncodingMenuData *edata;

            edata = g_new0 (EncodingMenuData, 1);
            edata->encoding = info->name;
            edata->data = data;
            verbs = g_list_append (verbs, edata);

            build_charset (xml_string, info, charset_index);
            charset_index++;
        }


        g_list_free (charsets);
        g_string_append (xml_string, "</submenu>");
        group_index++;
    }

    g_string_append (xml_string, "</submenu>");

    bonobo_ui_component_set_translate (ui_component, path,
                       xml_string->str, NULL);
    add_verbs (ui_component, fn, verbs);

    g_list_free (verbs);
    g_list_free (groups);
    g_string_free (xml_string, TRUE);

    STOP_PROFILER ("Charsets menu")
}

/**
 * ephy_embed_utils_handlernotfound_dialog_run:
 * @parent: the dialog parent window
 *
 * Show a dialog to warn the user that no application capable
 * to open the specified file are found. Used in the downloader
 * and in the mime type dialog.
 **/
void
ephy_embed_utils_nohandler_dialog_run (GtkWidget *parent)
{
        GtkWidget *dialog;
        
    /* FIXME mime db shortcut */
    
    dialog = gtk_message_dialog_new 
        (GTK_WINDOW(parent), 
                 GTK_DIALOG_MODAL,
                 GTK_MESSAGE_ERROR,
                 GTK_BUTTONS_OK,
                 _("No available applications to open "
                   "the specified file."));
        gtk_dialog_run (GTK_DIALOG(dialog));
    gtk_widget_destroy (dialog);
}