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path: root/plugins/bbdb/bbdb.c
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/*
 * This program 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 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Nat Friedman <nat@novell.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <string.h>

#include <libedataserverui/libedataserverui.h>

#include <e-util/e-config.h>
#include <addressbook/gui/widgets/eab-config.h>
#include <mail/em-event.h>
#include <composer/e-msg-composer.h>

#include "bbdb.h"

#define d(x)

/* Plugin hooks */
gint e_plugin_lib_enable (EPlugin *ep, gint enable);
void bbdb_handle_send (EPlugin *ep, EMEventTargetComposer *target);
GtkWidget *bbdb_page_factory (EPlugin *ep, EConfigHookItemFactoryData *hook_data);

/* For internal use */
struct bbdb_stuff {
    EABConfigTargetPrefs *target;

    GtkWidget *combo_box;
    GtkWidget *gaim_combo_box;
    GtkWidget *check;
    GtkWidget *check_gaim;
};

/* Static forward declarations */
static gboolean bbdb_timeout (gpointer data);
static void bbdb_do_it (EBookClient *client, const gchar *name, const gchar *email);
static void add_email_to_contact (EContact *contact, const gchar *email);
static void enable_toggled_cb (GtkWidget *widget, gpointer data);
static void source_changed_cb (ESourceComboBox *source_combo_box, struct bbdb_stuff *stuff);
static GtkWidget *create_addressbook_combo_box (struct bbdb_stuff *stuff, gint type);
static void cleanup_cb (GObject *o, gpointer data);

/* How often check, in minutes. Read only on plugin enable. Use <= 0 to disable polling. */
static gint
get_check_interval (void)
{
    GSettings *settings;
    gint res = BBDB_BLIST_DEFAULT_CHECK_INTERVAL;

    settings = g_settings_new (CONF_SCHEMA);
    res = g_settings_get_int (settings, CONF_KEY_GAIM_CHECK_INTERVAL);

    g_object_unref (settings);

    return res * 60;
}

gint
e_plugin_lib_enable (EPlugin *ep,
                     gint enable)
{
    static guint update_source = 0;

    if (update_source) {
        g_source_remove (update_source);
        update_source = 0;
    }

    /* Start up the plugin. */
    if (enable) {
        gint interval;

        d (fprintf (stderr, "BBDB spinning up...\n"));

        g_idle_add (bbdb_timeout, ep);

        interval = get_check_interval ();
        if (interval > 0)
            update_source = g_timeout_add_seconds (interval, (GSourceFunc) bbdb_timeout, NULL);
    }

    return 0;
}

static gboolean
bbdb_timeout (gpointer data)
{
    if (bbdb_check_gaim_enabled ())
        bbdb_sync_buddy_list_check ();

    /* not a NULL for a one-time idle check, thus stop it there */
    return data == NULL;
}

typedef struct
{
    gchar *name;
    gchar *email;
} todo_struct;

static void
free_todo_struct (todo_struct *td)
{
    if (td) {
        g_free (td->name);
        g_free (td->email);
        g_free (td);
    }
}

static GSList *todo = NULL;
G_LOCK_DEFINE_STATIC (todo);

static gpointer
bbdb_do_in_thread (gpointer data)
{
    EBookClient *client = data;

    /* Open the addressbook */
    if (!client || !bbdb_open_book_client (client)) {
        G_LOCK (todo);

        g_slist_foreach (todo, (GFunc) free_todo_struct, NULL);
        g_slist_free (todo);
        todo = NULL;

        G_UNLOCK (todo);
        return NULL;
    }

    G_LOCK (todo);
    while (todo) {
        todo_struct *td = todo->data;

        todo = g_slist_remove (todo, td);

        G_UNLOCK (todo);

        if (td) {
            bbdb_do_it (client, td->name, td->email);
            free_todo_struct (td);
        }

        G_LOCK (todo);
    }
    G_UNLOCK (todo);

    g_object_unref (client);

    return NULL;
}

static void
bbdb_do_thread (const gchar *name,
                const gchar *email)
{
    todo_struct *td;

    if (!name && !email)
        return;

    td = g_new (todo_struct, 1);
    td->name = g_strdup (name);
    td->email = g_strdup (email);

    G_LOCK (todo);
    if (todo) {
        /* the list isn't empty, which means there is a thread taking
         * care of that, thus just add it to the queue */
        todo = g_slist_append (todo, td);
    } else {
        GThread *thread;
        GError *error = NULL;
        EBookClient *client = bbdb_create_book_client (AUTOMATIC_CONTACTS_ADDRESSBOOK);

        /* list was empty, add item and create a thread */
        todo = g_slist_append (todo, td);
        thread = g_thread_try_new (NULL, bbdb_do_in_thread, client, &error);

        if (error) {
            g_warning ("%s: Creation of the thread failed with error: %s", G_STRFUNC, error->message);
            g_error_free (error);

            G_UNLOCK (todo);
            bbdb_do_in_thread (client);
            G_LOCK (todo);
        } else {
            g_thread_unref (thread);
        }
    }
    G_UNLOCK (todo);
}

static void
walk_destinations_and_free (EDestination **dests)
{
    const gchar *name, *addr;
    gint i;

    if (!dests)
        return;

    for (i = 0; dests[i] != NULL; i++) {
        if (e_destination_is_evolution_list (dests[i])) {
            const GList *members;

            for (members = e_destination_list_get_dests (dests[i]); members; members = members->next) {
                const EDestination *member = members->data;

                if (!member)
                    continue;

                name = e_destination_get_name (member);
                addr = e_destination_get_email (member);

                if (name || addr)
                    bbdb_do_thread (name, addr);
            }
        } else {
            name = e_destination_get_name (dests[i]);
            addr = e_destination_get_email (dests[i]);

            if (name || addr)
                bbdb_do_thread (name, addr);
        }
    }

    e_destination_freev (dests);
}

void
bbdb_handle_send (EPlugin *ep,
                  EMEventTargetComposer *target)
{
    EComposerHeaderTable *table;
    GSettings *settings;
    gboolean enable;

    settings = g_settings_new (CONF_SCHEMA);
    enable = g_settings_get_boolean (settings, CONF_KEY_ENABLE);
    g_object_unref (settings);

    if (!enable)
        return;

    table = e_msg_composer_get_header_table (target->composer);
    g_return_if_fail (table);

    /* read information from the composer, not from a generated message */
    walk_destinations_and_free (e_composer_header_table_get_destinations_to (table));
    walk_destinations_and_free (e_composer_header_table_get_destinations_cc (table));
}

static void
bbdb_do_it (EBookClient *client,
            const gchar *name,
            const gchar *email)
{
    gchar *query_string, *delim, *temp_name = NULL, *uid;
    GSList *contacts = NULL;
    gboolean status;
    EContact *contact;
    GError *error = NULL;

    g_return_if_fail (client != NULL);

    if (email == NULL || !strcmp (email, ""))
        return;

    if ((delim = strchr (email, '@')) == NULL)
        return;

    /* don't miss the entry if the mail has only e-mail id and no name */
    if (name == NULL || !strcmp (name, "")) {
        temp_name = g_strndup (email, delim - email);
        name = temp_name;
    }

    /* If any contacts exists with this email address, don't do anything */
    query_string = g_strdup_printf ("(contains \"email\" \"%s\")", email);
    status = e_book_client_get_contacts_sync (client, query_string, &contacts, NULL, NULL);
    g_free (query_string);
    if (contacts != NULL || !status) {
        e_client_util_free_object_slist (contacts);
        g_free (temp_name);

        return;
    }

    if (g_utf8_strchr (name, -1, '\"')) {
        GString *tmp = g_string_new (name);
        gchar *p;

        while (p = g_utf8_strchr (tmp->str, tmp->len, '\"'), p)
            tmp = g_string_erase (tmp, p - tmp->str, 1);

        g_free (temp_name);
        temp_name = g_string_free (tmp, FALSE);
        name = temp_name;
    }

    contacts = NULL;
    /* If a contact exists with this name, add the email address to it. */
    query_string = g_strdup_printf ("(is \"full_name\" \"%s\")", name);
    status = e_book_client_get_contacts_sync (client, query_string, &contacts, NULL, NULL);
    g_free (query_string);
    if (contacts != NULL || !status) {
        /* FIXME: If there's more than one contact with this
         * name, just give up; we're not smart enough for
         * this. */
        if (!status || contacts->next != NULL) {
            e_client_util_free_object_slist (contacts);
            g_free (temp_name);
            return;
        }

        contact = (EContact *) contacts->data;
        add_email_to_contact (contact, email);
        if (!e_book_client_modify_contact_sync (client, contact, NULL, &error)) {
            g_warning ("bbdb: Could not modify contact: %s\n", error->message);
            g_error_free (error);
        }

        e_client_util_free_object_slist (contacts);
        g_free (temp_name);
        return;
    }

    /* Otherwise, create a new contact. */
    contact = e_contact_new ();
    e_contact_set (contact, E_CONTACT_FULL_NAME, (gpointer) name);
    add_email_to_contact (contact, email);
    g_free (temp_name);

    uid = NULL;
    if (!e_book_client_add_contact_sync (client, contact, &uid, NULL, &error)) {
        g_warning ("bbdb: Failed to add new contact: %s", error->message);
        g_error_free (error);
    }

    g_object_unref (contact);
    g_free (uid);
}

EBookClient *
bbdb_create_book_client (gint type)
{
    EShell *shell;
    ESource *source = NULL;
    ESourceRegistry *registry;
    EBookClient *client = NULL;
    GSettings *settings;
    gboolean enable = TRUE;
    gchar *uid;
    GError *error = NULL;

    settings = g_settings_new (CONF_SCHEMA);

    /* Check to see if we're supposed to be running */
    if (type == AUTOMATIC_CONTACTS_ADDRESSBOOK)
        enable = g_settings_get_boolean (settings, CONF_KEY_ENABLE);
    if (!enable) {
        g_object_unref (settings);
        return NULL;
    }

    /* Open the appropriate addresbook. */
    if (type == GAIM_ADDRESSBOOK)
        uid = g_settings_get_string (
            settings, CONF_KEY_WHICH_ADDRESSBOOK_GAIM);
    else
        uid = g_settings_get_string (
            settings, CONF_KEY_WHICH_ADDRESSBOOK);
    g_object_unref (settings);

    shell = e_shell_get_default ();
    registry = e_shell_get_registry (shell);

    if (uid != NULL) {
        source = e_source_registry_ref_source (registry, uid);
        g_free (uid);
    }

    if (source == NULL)
        source = e_source_registry_ref_builtin_address_book (registry);

    client = e_book_client_new (source, &error);
    if (client == NULL) {
        g_warning (
            "bbdb: Failed to get addressbook: %s\n",
            error->message);
        g_error_free (error);
    }

    g_object_unref (source);

    return client;
}

gboolean
bbdb_open_book_client (EBookClient *client)
{
    GError *error = NULL;

    if (!client)
        return FALSE;

    e_client_open_sync (E_CLIENT (client), FALSE, NULL, &error);

    if (error != NULL) {
        g_warning (
            "bbdb: failed to open addressbook: %s",
            error->message);
        g_object_unref (client);
        g_error_free (error);
        return FALSE;
    }

    return TRUE;
}

gboolean
bbdb_check_gaim_enabled (void)
{
    GSettings *settings;
    gboolean   gaim_enabled;

    settings = g_settings_new (CONF_SCHEMA);
    gaim_enabled = g_settings_get_boolean (settings, CONF_KEY_ENABLE_GAIM);

    g_object_unref (settings);

    return gaim_enabled;
}

static void
add_email_to_contact (EContact *contact,
                      const gchar *email)
{
    GList *emails;

    emails = e_contact_get (contact, E_CONTACT_EMAIL);
    emails = g_list_append (emails, (gpointer) email);
    e_contact_set (contact, E_CONTACT_EMAIL, (gpointer) emails);
}

/* Code to implement the configuration user interface follows */

static void
enable_toggled_cb (GtkWidget *widget,
                   gpointer data)
{
    struct bbdb_stuff *stuff = (struct bbdb_stuff *) data;
    gboolean active;
    ESource *selected_source;
    gchar *addressbook;
    GSettings *settings = g_settings_new (CONF_SCHEMA);

    active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));

    /* Save the new setting to GSettings */
    g_settings_set_boolean (settings, CONF_KEY_ENABLE, active);

    gtk_widget_set_sensitive (stuff->combo_box, active);

    addressbook = g_settings_get_string (settings, CONF_KEY_WHICH_ADDRESSBOOK);

    if (active && !addressbook) {
        selected_source = e_source_combo_box_ref_active (
            E_SOURCE_COMBO_BOX (stuff->combo_box));
        if (selected_source != NULL) {
            g_settings_set_string (
                settings, CONF_KEY_WHICH_ADDRESSBOOK,
                e_source_get_uid (selected_source));
            g_object_unref (selected_source);
        } else {
            g_settings_set_string (
                settings, CONF_KEY_WHICH_ADDRESSBOOK, "");
        }
    }

    g_free (addressbook);
    g_object_unref (settings);
}

static void
enable_gaim_toggled_cb (GtkWidget *widget,
                        gpointer data)
{
    struct bbdb_stuff *stuff = (struct bbdb_stuff *) data;
    gboolean active;
    ESource *selected_source;
    gchar *addressbook_gaim;
    GSettings *settings = g_settings_new (CONF_SCHEMA);

    active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));

    /* Save the new setting to GSettings */
    g_settings_set_boolean (settings, CONF_KEY_ENABLE_GAIM, active);

    addressbook_gaim = g_settings_get_string (
        settings, CONF_KEY_WHICH_ADDRESSBOOK_GAIM);
    gtk_widget_set_sensitive (stuff->gaim_combo_box, active);
    if (active && !addressbook_gaim) {
        selected_source = e_source_combo_box_ref_active (
            E_SOURCE_COMBO_BOX (stuff->gaim_combo_box));
        if (selected_source != NULL) {
            g_settings_set_string (
                settings, CONF_KEY_WHICH_ADDRESSBOOK_GAIM,
                e_source_get_uid (selected_source));
            g_object_unref (selected_source);
        } else {
            g_settings_set_string (
                settings, CONF_KEY_WHICH_ADDRESSBOOK_GAIM, "");
        }
    }

    g_free (addressbook_gaim);
    g_object_unref (settings);
}

static void
synchronize_button_clicked_cb (GtkWidget *button)
{
    bbdb_sync_buddy_list ();
}

static void
source_changed_cb (ESourceComboBox *source_combo_box,
                   struct bbdb_stuff *stuff)
{
    GSettings *settings;
    ESource *source;
    const gchar *uid;

    source = e_source_combo_box_ref_active (source_combo_box);
    uid = (source != NULL) ? e_source_get_uid (source) : "";

    settings = g_settings_new (CONF_SCHEMA);
    g_settings_set_string (settings, CONF_KEY_WHICH_ADDRESSBOOK, uid);
    g_object_unref (settings);

    if (source != NULL)
        g_object_unref (source);
}

static void
gaim_source_changed_cb (ESourceComboBox *source_combo_box,
                        struct bbdb_stuff *stuff)
{
    GSettings *settings;
    ESource *source;
    const gchar *uid;

    source = e_source_combo_box_ref_active (source_combo_box);
    uid = (source != NULL) ? e_source_get_uid (source) : "";

    settings = g_settings_new (CONF_SCHEMA);
    g_settings_set_string (settings, CONF_KEY_WHICH_ADDRESSBOOK_GAIM, uid);
    g_object_unref (settings);

    if (source != NULL)
        g_object_unref (source);
}

static GtkWidget *
create_addressbook_combo_box (struct bbdb_stuff *stuff,
                              gint type)
{
    EShell *shell;
    ESource *source;
    ESourceRegistry *registry;
    GtkWidget *combo_box;
    const gchar *extension_name;
    gchar *uid;
    GSettings *settings = g_settings_new (CONF_SCHEMA);

    shell = e_shell_get_default ();
    registry = e_shell_get_registry (shell);
    extension_name = E_SOURCE_EXTENSION_ADDRESS_BOOK;
    combo_box = e_source_combo_box_new (registry, extension_name);

    if (type == GAIM_ADDRESSBOOK)
        uid = g_settings_get_string (settings, CONF_KEY_WHICH_ADDRESSBOOK_GAIM);
    else
        uid = g_settings_get_string (settings, CONF_KEY_WHICH_ADDRESSBOOK);
    source = e_source_registry_ref_source (registry, uid);
    g_free (uid);

    if (source != NULL) {
        e_source_combo_box_set_active (
            E_SOURCE_COMBO_BOX (combo_box), source);
        g_object_unref (source);
    }

    gtk_widget_show (combo_box);

    g_object_unref (settings);

    return combo_box;
}

GtkWidget *
bbdb_page_factory (EPlugin *ep,
                   EConfigHookItemFactoryData *hook_data)
{
    struct bbdb_stuff *stuff;
    EABConfigTargetPrefs *target = (EABConfigTargetPrefs *) hook_data->config->target;
    GtkWidget *page;
    GtkWidget *tab_label;
    GtkWidget *frame;
    GtkWidget *frame_label;
    GtkWidget *padding_label;
    GtkWidget *hbox;
    GtkWidget *inner_vbox;
    GtkWidget *check;
    GtkWidget *combo_box;
    GtkWidget *gaim_combo_box;
    GtkWidget *check_gaim;
    GtkWidget *label;
    GtkWidget *gaim_label;
    GtkWidget *button;
    gchar *str;
    GSettings *settings = g_settings_new (CONF_SCHEMA);

    /* A structure to pass some stuff around */
    stuff = g_new0 (struct bbdb_stuff, 1);
    stuff->target = target;

    /* Create a new notebook page */
    page = gtk_vbox_new (FALSE, 0);
    gtk_container_set_border_width (GTK_CONTAINER (page), 12);
    tab_label = gtk_label_new (_("Automatic Contacts"));
    gtk_notebook_append_page (GTK_NOTEBOOK (hook_data->parent), page, tab_label);

    /* Frame */
    frame = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (page), frame, FALSE, FALSE, 0);

    /* "Automatic Contacts" */
    frame_label = gtk_label_new ("");
    str = g_strdup_printf ("<span weight=\"bold\">%s</span>", _("Automatic Contacts"));
    gtk_label_set_markup (GTK_LABEL (frame_label), str);
    g_free (str);
    gtk_misc_set_alignment (GTK_MISC (frame_label), 0.0, 0.5);
    gtk_box_pack_start (GTK_BOX (frame), frame_label, FALSE, FALSE, 0);

    /* Indent/padding */
    hbox = gtk_hbox_new (FALSE, 12);
    gtk_box_pack_start (GTK_BOX (frame), hbox, FALSE, TRUE, 0);
    padding_label = gtk_label_new ("");
    gtk_box_pack_start (GTK_BOX (hbox), padding_label, FALSE, FALSE, 0);
    inner_vbox = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (hbox), inner_vbox, FALSE, FALSE, 0);

    /* Enable BBDB checkbox */
    check = gtk_check_button_new_with_mnemonic (_("Create _address book entries when sending mails"));
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), g_settings_get_boolean (settings, CONF_KEY_ENABLE));
    g_signal_connect (
        check, "toggled",
        G_CALLBACK (enable_toggled_cb), stuff);
    gtk_box_pack_start (GTK_BOX (inner_vbox), check, FALSE, FALSE, 0);
    stuff->check = check;

    label = gtk_label_new (_("Select Address book for Automatic Contacts"));
    gtk_box_pack_start (GTK_BOX (inner_vbox), label, FALSE, FALSE, 0);

    /* Source selection combo box */
    combo_box = create_addressbook_combo_box (stuff, AUTOMATIC_CONTACTS_ADDRESSBOOK);
    g_signal_connect (
        combo_box, "changed",
        G_CALLBACK (source_changed_cb), stuff);
    gtk_widget_set_sensitive (combo_box, g_settings_get_boolean (settings, CONF_KEY_ENABLE));
    gtk_box_pack_start (GTK_BOX (inner_vbox), combo_box, FALSE, FALSE, 0);
    stuff->combo_box = combo_box;

    /* "Instant Messaging Contacts" */
    frame = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (page), frame, TRUE, TRUE, 24);

    frame_label = gtk_label_new ("");
    str = g_strdup_printf ("<span weight=\"bold\">%s</span>", _("Instant Messaging Contacts"));
    gtk_label_set_markup (GTK_LABEL (frame_label), str);
    g_free (str);
    gtk_misc_set_alignment (GTK_MISC (frame_label), 0.0, 0.5);
    gtk_box_pack_start (GTK_BOX (frame), frame_label, FALSE, FALSE, 0);

    /* Indent/padding */
    hbox = gtk_hbox_new (FALSE, 12);
    gtk_box_pack_start (GTK_BOX (frame), hbox, FALSE, TRUE, 0);
    padding_label = gtk_label_new ("");
    gtk_box_pack_start (GTK_BOX (hbox), padding_label, FALSE, FALSE, 0);
    inner_vbox = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (hbox), inner_vbox, FALSE, FALSE, 0);

    /* Enable Gaim Checkbox */
    check_gaim = gtk_check_button_new_with_mnemonic (_("_Synchronize contact info and images from Pidgin buddy list"));
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_gaim), g_settings_get_boolean (settings, CONF_KEY_ENABLE_GAIM));
    g_signal_connect (
        check_gaim, "toggled",
        G_CALLBACK (enable_gaim_toggled_cb), stuff);
    gtk_box_pack_start (GTK_BOX (inner_vbox), check_gaim, FALSE, FALSE, 0);
    stuff->check_gaim = check_gaim;

    gaim_label = gtk_label_new (_("Select Address book for Pidgin buddy list"));
    gtk_box_pack_start (GTK_BOX (inner_vbox), gaim_label, FALSE, FALSE, 0);

    /* Gaim Source Selection Combo Box */
    gaim_combo_box = create_addressbook_combo_box (stuff, GAIM_ADDRESSBOOK);
    g_signal_connect (
        gaim_combo_box, "changed",
        G_CALLBACK (gaim_source_changed_cb), stuff);
    gtk_widget_set_sensitive (gaim_combo_box, g_settings_get_boolean (settings, CONF_KEY_ENABLE_GAIM));
    gtk_box_pack_start (GTK_BOX (inner_vbox), gaim_combo_box, FALSE, FALSE, 0);
    stuff->gaim_combo_box = gaim_combo_box;

    /* Synchronize now button. */
    button = gtk_button_new_with_mnemonic (_("Synchronize with _buddy list now"));
    g_signal_connect (
        button, "clicked",
        G_CALLBACK (synchronize_button_clicked_cb), stuff);
    gtk_box_pack_start (GTK_BOX (inner_vbox), button, FALSE, FALSE, 0);

    /* Clean up */
    g_signal_connect (
        page, "destroy",
        G_CALLBACK (cleanup_cb), stuff);

    gtk_widget_show_all (page);

    g_object_unref (settings);

    return page;
}

static void
cleanup_cb (GObject *o,
            gpointer data)
{
    struct bbdb_stuff *stuff = data;

    g_free (stuff);
}