path: root/filter/filter-source.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  Authors: Jon Trowbridge <trow@ximian.com>
 *           Jeffrey Stedfast <fejj@ximian.com>
 *
 *  Copyright 2001-2002 Ximian, Inc. (www.ximian.com)
 *
 *  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 of the License, 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 Street #330, Boston, MA 02111-1307, USA.
 *
 */


#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>

#include "filter-source.h"

#include <gtk/gtk.h>
#include <e-util/e-url.h>
#include <e-util/e-sexp.h>
#include <e-util/e-account-list.h>
#include <camel/camel-url.h>


static void filter_source_class_init (FilterSourceClass *klass);
static void filter_source_init (FilterSource *fs);
static void filter_source_finalize (GObject *obj);

static int source_eq (FilterElement *fe, FilterElement *cm);
static void xml_create (FilterElement *fe, xmlNodePtr node);
static xmlNodePtr xml_encode (FilterElement *fe);
static int xml_decode (FilterElement *fe, xmlNodePtr node);
static FilterElement *clone (FilterElement *fe);
static GtkWidget *get_widget (FilterElement *fe);
static void build_code (FilterElement *fe, GString *out, struct _FilterPart *ff);
static void format_sexp (FilterElement *, GString *);

static void filter_source_add_source  (FilterSource *fs, const char *account_name, const char *name,
                       const char *addr, const char *url);
static void filter_source_get_sources (FilterSource *fs);

typedef struct _SourceInfo {
    char *account_name;
    char *name;
    char *address;
    char *url;
} SourceInfo;

struct _FilterSourcePrivate {
    GList *sources;
    char *current_url;
};


static FilterElementClass *parent_class = NULL;


GType
filter_source_get_type (void)
{
    static GType type = 0;
    
    if (!type) {
        static const GTypeInfo info = {
            sizeof (FilterSourceClass),
            NULL, /* base_class_init */
            NULL, /* base_class_finalize */
            (GClassInitFunc) filter_source_class_init,
            NULL, /* class_finalize */
            NULL, /* class_data */
            sizeof (FilterSource),
            0,    /* n_preallocs */
            (GInstanceInitFunc) filter_source_init,
        };
        
        type = g_type_register_static (FILTER_TYPE_ELEMENT, "FilterSource", &info, 0);
    }
    
    return type;
}

static void
filter_source_class_init (FilterSourceClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);
    FilterElementClass *fe_class = FILTER_ELEMENT_CLASS (klass);
    
    parent_class = g_type_class_ref (FILTER_TYPE_ELEMENT);
    
    object_class->finalize = filter_source_finalize;
    
    /* override methods */
    fe_class->eq = source_eq;
    fe_class->xml_create = xml_create;
    fe_class->xml_encode = xml_encode;
    fe_class->xml_decode = xml_decode;
    fe_class->clone = clone;
    fe_class->get_widget = get_widget;
    fe_class->build_code = build_code;
    fe_class->format_sexp = format_sexp;
}

static void
filter_source_init (FilterSource *fs)
{
    fs->priv = g_new (struct _FilterSourcePrivate, 1);
    fs->priv->sources = NULL;
    fs->priv->current_url = NULL;
}

static void
filter_source_finalize (GObject *obj)
{
    FilterSource *fs = FILTER_SOURCE (obj);
    GList *i = fs->priv->sources;
    
    while (i) {
        SourceInfo *info = i->data;
        g_free (info->account_name);
        g_free (info->name);
        g_free (info->address);
        g_free (info->url);
        g_free (info);
        i = g_list_next (i);
    }
    
    g_list_free (fs->priv->sources);
    g_free (fs->priv->current_url);

    g_free (fs->priv);
    
    G_OBJECT_CLASS (parent_class)->finalize (obj);
}

FilterSource *
filter_source_new (void)
{
    return (FilterSource *) g_object_new (FILTER_TYPE_SOURCE, NULL, NULL);
}

static int
source_eq (FilterElement *fe, FilterElement *cm)
{
    FilterSource *fs = (FilterSource *)fe, *cs = (FilterSource *)cm;
    
    return FILTER_ELEMENT_CLASS (parent_class)->eq (fe, cm)
        && ((fs->priv->current_url && cs->priv->current_url
             && strcmp (fs->priv->current_url, cs->priv->current_url) == 0)
            || (fs->priv->current_url == NULL && cs->priv->current_url == NULL));
}

static void
xml_create (FilterElement *fe, xmlNodePtr node)
{
    /* Call parent implementation */
    FILTER_ELEMENT_CLASS (parent_class)->xml_create (fe, node);
}

static xmlNodePtr
xml_encode (FilterElement *fe)
{
    xmlNodePtr value;
    
    FilterSource *fs = (FilterSource *) fe;
    
    value = xmlNewNode (NULL, "value");
    xmlSetProp (value, "name", fe->name);
    xmlSetProp (value, "type", "uri");
    
    if (fs->priv->current_url)
        xmlNewTextChild (value, NULL, "uri", fs->priv->current_url);
    
    return value;
}

static gint
xml_decode (FilterElement *fe, xmlNodePtr node)
{
    FilterSource *fs = (FilterSource *) fe;
    CamelURL *url;
    char *uri;
    
    node = node->children;
    while (node != NULL) {
        if (!strcmp (node->name, "uri")) {
            uri = xmlNodeGetContent (node);
            url = camel_url_new (uri, NULL);
            xmlFree (uri);
            
            g_free (fs->priv->current_url);
            fs->priv->current_url = camel_url_to_string (url, CAMEL_URL_HIDE_ALL);
            camel_url_free (url);
            break;
        }
        
        node = node->next;
    }
    
    return 0;
}

static FilterElement *
clone (FilterElement *fe)
{
    FilterSource *fs = (FilterSource *) fe;
    FilterSource *cpy = filter_source_new ();
    GList *i;
    
    ((FilterElement *) cpy)->name = xmlStrdup (fe->name);
    
    cpy->priv->current_url = g_strdup (fs->priv->current_url);
    
    for (i = fs->priv->sources; i != NULL; i = g_list_next (i)) {
        SourceInfo *info = (SourceInfo *) i->data;
        filter_source_add_source (cpy, info->account_name, info->name, info->address, info->url);
    }
    
    return (FilterElement *) cpy;
}

static void
source_changed (GtkWidget *item, FilterSource *fs)
{
    SourceInfo *info = (SourceInfo *) g_object_get_data ((GObject *) item, "source");
    
    g_free (fs->priv->current_url);
    fs->priv->current_url = g_strdup (info->url);
}

static GtkWidget *
get_widget (FilterElement *fe)
{
    FilterSource *fs = (FilterSource *) fe;
    GtkWidget *menu;
    GtkWidget *omenu;
    GtkWidget *item;
    GList *i;
    SourceInfo *first = NULL;
    int index, current_index;
    
    if (fs->priv->sources == NULL)
        filter_source_get_sources (fs);
    
    menu = gtk_menu_new ();
    
    index = 0;
    current_index = -1;
    
    for (i = fs->priv->sources; i != NULL; i = g_list_next (i)) {
        SourceInfo *info = (SourceInfo *) i->data;
        char *label;
        
        if (info->url != NULL) {
            if (first == NULL)
                first = info;
            
            if (info->account_name && strcmp (info->account_name, info->address))
                label = g_strdup_printf ("%s <%s> (%s)", info->name,
                             info->address, info->account_name);
            else
                label = g_strdup_printf ("%s <%s>", info->name, info->address);
            
            item = gtk_menu_item_new_with_label (label);
            g_free (label);
            
            g_object_set_data ((GObject *) item, "source", info);
            g_signal_connect (item, "activate", G_CALLBACK (source_changed), fs);
            
            gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
            gtk_widget_show (item);
            
            if (fs->priv->current_url && !strcmp (info->url, fs->priv->current_url))
                current_index = index;
            
            index++;
        }
    }
    
    omenu = gtk_option_menu_new ();
    gtk_option_menu_set_menu (GTK_OPTION_MENU (omenu), menu);
    
    if (current_index >= 0) {
        gtk_option_menu_set_history (GTK_OPTION_MENU (omenu), current_index);
    } else {
        gtk_option_menu_set_history (GTK_OPTION_MENU (omenu), 0);
        g_free (fs->priv->current_url);
        
        if (first)
            fs->priv->current_url = g_strdup (first->url);
        else
            fs->priv->current_url = NULL;
    }
    
    return omenu;
}

static void
build_code (FilterElement *fe, GString *out, struct _FilterPart *ff)
{
    /* We are doing nothing on purpose. */
}

static void
format_sexp (FilterElement *fe, GString *out)
{
    FilterSource *fs = (FilterSource *) fe;
    
    e_sexp_encode_string (out, fs->priv->current_url);
}


static void
filter_source_add_source (FilterSource *fs, const char *account_name, const char *name,
              const char *addr, const char *url)
{
    SourceInfo *info;
    
    g_return_if_fail (IS_FILTER_SOURCE (fs));
    
    info = g_new0 (SourceInfo, 1);
    info->account_name = g_strdup (account_name);
    info->name = g_strdup (name);
    info->address = g_strdup (addr);
    info->url = g_strdup (url);
    
    fs->priv->sources = g_list_append (fs->priv->sources, info);
}

static void
filter_source_get_sources (FilterSource *fs)
{
    EAccountList *accounts;
    const EAccount *account;
    GConfClient *gconf;
    EIterator *it;
    char *uri;
    CamelURL *url;
    
    /* should this get the global object from mail? */
    gconf = gconf_client_get_default ();
    accounts = e_account_list_new (gconf);
    g_object_unref (gconf);
    
    for (it = e_list_get_iterator((EList *)accounts);
         e_iterator_is_valid(it);
         e_iterator_next(it)) {
        account = (const EAccount *)e_iterator_get(it);

        if (account->source == NULL || account->source->url == NULL)
            continue;

        /* hide secret stuff */
        url = camel_url_new (account->source->url, NULL);
        uri = camel_url_to_string (url, CAMEL_URL_HIDE_ALL);
        camel_url_free (url);

        filter_source_add_source (fs, account->name, account->id->name, account->id->address, uri);
        g_free(uri);
    }
    g_object_unref(it);
    g_object_unref(accounts);
}