path: root/composer/e-msg-composer-hdrs.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* msg-composer-hdrs.c
 *
 * Copyright (C) 1999 Helix Code, Inc.
 *
 * 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 Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Author: Ettore Perazzoli
 */

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

#include <gnome.h>
#include <camel/camel.h>

#include <bonobo.h>

#include <liboaf/liboaf.h>

#include "Composer.h"

#include "e-msg-composer-hdrs.h"
#include <gal/e-text/e-entry.h>
#include <gal/widgets/e-unicode.h>

#include "mail/mail-config.h"


#define SELECT_NAMES_OAFID "OAFIID:GNOME_Evolution_Addressbook_SelectNames"

struct _EMsgComposerHdrsPrivate {
    GNOME_Evolution_Addressbook_SelectNames corba_select_names;

    /* Total number of headers that we have.  */
    guint num_hdrs;

    /* The tooltips.  */
    GtkTooltips *tooltips;
    
    GSList *from_options;
    
    /* Standard headers.  */
    GtkWidget *from_entry;
    GtkWidget *to_entry;
    GtkWidget *cc_entry;
    GtkWidget *bcc_entry;
    GtkWidget *subject_entry;
};


static GtkTableClass *parent_class = NULL;

enum {
    SHOW_ADDRESS_DIALOG,
    SUBJECT_CHANGED,
    LAST_SIGNAL
};

enum {
    HEADER_ADDRBOOK,
    HEADER_OPTIONMENU,
    HEADER_ENTRYBOX
};

static gint signals[LAST_SIGNAL];


static gboolean
setup_corba (EMsgComposerHdrs *hdrs)
{
    EMsgComposerHdrsPrivate *priv;
    CORBA_Environment ev;

    priv = hdrs->priv;

    g_assert (priv->corba_select_names == CORBA_OBJECT_NIL);

    CORBA_exception_init (&ev);

    priv->corba_select_names = oaf_activate_from_id (SELECT_NAMES_OAFID, 0, NULL, &ev);

    /* OAF seems to be broken -- it can return a CORBA_OBJECT_NIL without
           raising an exception in `ev'.  */
    if (ev._major != CORBA_NO_EXCEPTION || priv->corba_select_names == CORBA_OBJECT_NIL) {
        g_warning ("Cannot activate -- %s", SELECT_NAMES_OAFID);
        CORBA_exception_free (&ev);
        return FALSE;
    }

    CORBA_exception_free (&ev);

    return TRUE;
}


static void
address_button_clicked_cb (GtkButton *button,
               gpointer data)
{
    EMsgComposerHdrs *hdrs;
    EMsgComposerHdrsPrivate *priv;
    CORBA_Environment ev;

    hdrs = E_MSG_COMPOSER_HDRS (data);
    priv = hdrs->priv;

    CORBA_exception_init (&ev);

    /* FIXME: Section ID */
    GNOME_Evolution_Addressbook_SelectNames_activateDialog (priv->corba_select_names, "", &ev);

    CORBA_exception_free (&ev);
}

static void
from_changed (GtkWidget *item, gpointer data)
{
    EMsgComposerHdrs *hdrs = E_MSG_COMPOSER_HDRS (data);
    
    hdrs->account = gtk_object_get_data (GTK_OBJECT (item), "account");
}

static GtkWidget *
create_optionmenu (EMsgComposerHdrs *hdrs,
           const char *name)
{
    GtkWidget *omenu, *menu, *first = NULL;
    int i = 0, history = 0;
    
    omenu = gtk_option_menu_new ();
    menu = gtk_menu_new ();
    
    if (!strcmp (name, _("From:"))) {
        const GSList *accounts;
        GtkWidget *item;
        
        accounts = mail_config_get_accounts ();
        while (accounts) {
            const MailConfigAccount *account;
            
            account = accounts->data;
            
            /* this should never ever fail */
            if (!account || !account->name || !account->id) {
                g_assert_not_reached ();
                continue;
            }
            
            item = gtk_menu_item_new_with_label (account->name);
            gtk_object_set_data (GTK_OBJECT (item), "account", account_copy (account));
            gtk_signal_connect (GTK_OBJECT (item), "activate",
                        GTK_SIGNAL_FUNC (from_changed), hdrs);
            
            if (account->default_account) {
                first = item;
                history = i;
            }
            
            /* this is so we can later set which one we want */
            hdrs->priv->from_options = g_slist_append (hdrs->priv->from_options, item);
            
            gtk_menu_append (GTK_MENU (menu), item);
            gtk_widget_show (item);
            
            accounts = accounts->next;
            i++;
        }
    }
    
    gtk_option_menu_set_menu (GTK_OPTION_MENU (omenu), menu);
    if (first) {
        gtk_option_menu_set_history (GTK_OPTION_MENU (omenu), history);
        gtk_signal_emit_by_name (GTK_OBJECT (first), "activate", hdrs);
    }
    
    return omenu;
}

static GtkWidget *
create_addressbook_entry (EMsgComposerHdrs *hdrs,
              const char *name)
{
    EMsgComposerHdrsPrivate *priv;
    GNOME_Evolution_Addressbook_SelectNames corba_select_names;
    Bonobo_Control corba_control;
    GtkWidget *control_widget;
    CORBA_Environment ev;

    priv = hdrs->priv;
    corba_select_names = priv->corba_select_names;

    CORBA_exception_init (&ev);

    GNOME_Evolution_Addressbook_SelectNames_addSection (corba_select_names, name, name, &ev);
    if (ev._major != CORBA_NO_EXCEPTION) {
        CORBA_exception_free (&ev);
        return NULL;
    }

    corba_control = GNOME_Evolution_Addressbook_SelectNames_getEntryBySection (corba_select_names, name, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        CORBA_exception_free (&ev);
        return NULL;
    }

    CORBA_exception_free (&ev);

    control_widget = bonobo_widget_new_control_from_objref (corba_control, CORBA_OBJECT_NIL);

    return control_widget;
}

static void
entry_changed (GtkWidget *entry, EMsgComposerHdrs *hdrs)
{
    gchar *tmp;
    gchar *subject;

    /* Mark the headers as changed */
    hdrs->has_changed = TRUE;

    tmp = e_msg_composer_hdrs_get_subject (hdrs);
    subject = e_utf8_to_gtk_string (GTK_WIDGET (entry), tmp);

    gtk_signal_emit (GTK_OBJECT (hdrs), signals[SUBJECT_CHANGED], subject);
    g_free (tmp);
}

static GtkWidget *
add_header (EMsgComposerHdrs *hdrs,
        const gchar *name,
        const gchar *tip,
        const gchar *tip_private,
        int type)
{
    EMsgComposerHdrsPrivate *priv;
    GtkWidget *label;
    GtkWidget *entry;
    guint pad;
    
    priv = hdrs->priv;
    
    if (type == HEADER_ADDRBOOK) {
        label = gtk_button_new_with_label (name);
        GTK_OBJECT_UNSET_FLAGS (label, GTK_CAN_FOCUS);
        gtk_signal_connect (GTK_OBJECT (label), "clicked",
                    GTK_SIGNAL_FUNC (address_button_clicked_cb),
                    hdrs);
        pad = 2;
        gtk_tooltips_set_tip (hdrs->priv->tooltips, label,
                      _("Click here for the address book"),
                      NULL);
    } else {
        label = gtk_label_new (name);
        pad = GNOME_PAD;
    }
    
    gtk_table_attach (GTK_TABLE (hdrs), label,
              0, 1, priv->num_hdrs, priv->num_hdrs + 1,
              GTK_FILL, GTK_FILL,
              pad, pad);
    gtk_widget_show (label);
    
    switch (type) {
    case HEADER_ADDRBOOK:
        entry = create_addressbook_entry (hdrs, name);
        break;
    case HEADER_OPTIONMENU:
        entry = create_optionmenu (hdrs, name);
        break;
    case HEADER_ENTRYBOX:
    default:
        entry = e_entry_new ();
        gtk_object_set (GTK_OBJECT(entry),
                "editable", TRUE,
                "use_ellipsis", TRUE,
                "allow_newlines", FALSE,
                NULL);
        gtk_signal_connect (GTK_OBJECT (entry), "changed",
                    GTK_SIGNAL_FUNC (entry_changed), hdrs);
    }

    if (entry != NULL) {
        gtk_widget_show (entry);
        
        gtk_table_attach (GTK_TABLE (hdrs), entry,
                  1, 2, priv->num_hdrs, priv->num_hdrs + 1,
                  GTK_FILL | GTK_EXPAND, 0,
                  2, 2);
        
        gtk_tooltips_set_tip (hdrs->priv->tooltips, entry, tip, tip_private);
    }
    
    priv->num_hdrs++;
    
    return entry;
}

static void
setup_headers (EMsgComposerHdrs *hdrs)
{
    EMsgComposerHdrsPrivate *priv;

    priv = hdrs->priv;
    
    priv->from_entry = add_header
        (hdrs, _("From:"), 
         _("Enter the identity you wish to send this message from"),
         NULL,
         HEADER_OPTIONMENU);
    priv->to_entry = add_header
        (hdrs, _("To:"), 
         _("Enter the recipients of the message"),
         NULL,
         HEADER_ADDRBOOK);
    priv->cc_entry = add_header
        (hdrs, _("Cc:"),
         _("Enter the addresses that will receive a carbon copy of "
           "the message"),
         NULL,
         HEADER_ADDRBOOK);
    priv->bcc_entry = add_header
        (hdrs, _("Bcc:"),
         _("Enter the addresses that will receive a carbon copy of "
           "the message without appearing in the recipient list of "
           "the message."),
         NULL,
         HEADER_ADDRBOOK);
    priv->subject_entry = add_header
        (hdrs, _("Subject:"),
         _("Enter the subject of the mail"),
         NULL,
         HEADER_ENTRYBOX);
}


/* GtkObject methods.  */

static void
destroy (GtkObject *object)
{
    EMsgComposerHdrs *hdrs;
    EMsgComposerHdrsPrivate *priv;
    GSList *l;

    hdrs = E_MSG_COMPOSER_HDRS (object);
    priv = hdrs->priv;

    if (priv->corba_select_names != CORBA_OBJECT_NIL) {
        CORBA_Environment ev;

        CORBA_exception_init (&ev);
        CORBA_Object_release (priv->corba_select_names, &ev);
        CORBA_exception_free (&ev);
    }

    gtk_object_destroy (GTK_OBJECT (priv->tooltips));
    
    l = priv->from_options;
    while (l) {
        MailConfigAccount *account;
        GtkWidget *item = l->data;
        
        account = gtk_object_get_data (GTK_OBJECT (item), "account");
        account_destroy (account);
        
        l = l->next;
    }
    g_slist_free (priv->from_options);
    
    if (GTK_OBJECT_CLASS (parent_class)->destroy != NULL)
        (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}


static void
class_init (EMsgComposerHdrsClass *class)
{
    GtkObjectClass *object_class;

    object_class = GTK_OBJECT_CLASS (class);
    object_class->destroy = destroy;

    parent_class = gtk_type_class (gtk_table_get_type ());

    signals[SHOW_ADDRESS_DIALOG] =
        gtk_signal_new ("show_address_dialog",
                GTK_RUN_LAST,
                object_class->type,
                GTK_SIGNAL_OFFSET (EMsgComposerHdrsClass,
                           show_address_dialog),
                gtk_marshal_NONE__NONE,
                GTK_TYPE_NONE, 0);

    signals[SUBJECT_CHANGED] =
        gtk_signal_new ("subject_changed",
                GTK_RUN_LAST,
                object_class->type,
                GTK_SIGNAL_OFFSET (EMsgComposerHdrsClass,
                           subject_changed),
                gtk_marshal_NONE__STRING,
                GTK_TYPE_NONE,
                1, GTK_TYPE_STRING);

    gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
}

static void
init (EMsgComposerHdrs *hdrs)
{
    EMsgComposerHdrsPrivate *priv;

    priv = g_new (EMsgComposerHdrsPrivate, 1);

    priv->corba_select_names = CORBA_OBJECT_NIL;
    
    priv->from_options  = NULL;
    
    priv->from_entry    = NULL;
    priv->to_entry      = NULL;
    priv->cc_entry      = NULL;
    priv->bcc_entry     = NULL;
    priv->subject_entry = NULL;
    
    priv->tooltips = gtk_tooltips_new ();

    priv->num_hdrs = 0;
    
    hdrs->priv = priv;
    
    hdrs->account = NULL;
    
    hdrs->has_changed = FALSE;
}


GtkType
e_msg_composer_hdrs_get_type (void)
{
    static GtkType type = 0;

    if (type == 0) {
        static const GtkTypeInfo info = {
            "EMsgComposerHdrs",
            sizeof (EMsgComposerHdrs),
            sizeof (EMsgComposerHdrsClass),
            (GtkClassInitFunc) class_init,
            (GtkObjectInitFunc) init,
            /* reserved_1 */ NULL,
            /* reserved_2 */ NULL,
            (GtkClassInitFunc) NULL,
        };

        type = gtk_type_unique (gtk_table_get_type (), &info);
    }

    return type;
}

GtkWidget *
e_msg_composer_hdrs_new (void)
{
    EMsgComposerHdrs *new;
    EMsgComposerHdrsPrivate *priv;
    
    new = gtk_type_new (e_msg_composer_hdrs_get_type ());
    priv = new->priv;
    
    if (! setup_corba (new)) {
        gtk_widget_destroy (GTK_WIDGET (new));
        return NULL;
    }
    
    setup_headers (new);

    return GTK_WIDGET (new);
}


static void
set_recipients (CamelMimeMessage *msg, GtkWidget *entry_widget, const gchar *type)
{
    CamelInternetAddress *addr;
    char *string;
    
    bonobo_widget_get_property (BONOBO_WIDGET (entry_widget), "text", &string, NULL);
    
    addr = camel_internet_address_new ();
    camel_address_unformat (CAMEL_ADDRESS (addr), string);
    
    /* TODO: In here, we could cross-reference the names with an alias book
       or address book, it should be sufficient for unformat to do the parsing too */
    
    camel_mime_message_set_recipients (msg, type, addr);
    
    camel_object_unref (CAMEL_OBJECT (addr));
    g_free (string);
}

void
e_msg_composer_hdrs_to_message (EMsgComposerHdrs *hdrs,
                CamelMimeMessage *msg)
{
    gchar *subject;
    CamelInternetAddress *from;
    
    g_return_if_fail (hdrs != NULL);
    g_return_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs));
    g_return_if_fail (msg != NULL);
    g_return_if_fail (CAMEL_IS_MIME_MESSAGE (msg));
    
    subject = e_msg_composer_hdrs_get_subject (hdrs);
    camel_mime_message_set_subject (msg, subject);
    g_free (subject);
    
    from = e_msg_composer_hdrs_get_from (hdrs);
    camel_mime_message_set_from (msg, from);
    camel_object_unref (CAMEL_OBJECT (from));
    
    set_recipients (msg, hdrs->priv->to_entry, CAMEL_RECIPIENT_TYPE_TO);
    set_recipients (msg, hdrs->priv->cc_entry, CAMEL_RECIPIENT_TYPE_CC);
    set_recipients (msg, hdrs->priv->bcc_entry, CAMEL_RECIPIENT_TYPE_BCC);
}


static void
set_entry (BonoboWidget *bonobo_widget,
       const GList *list)
{
    GString *string;
    const GList *p;
    
    string = g_string_new ("");
    for (p = list; p != NULL; p = p->next) {
        if (string->str[0] != '\0')
            g_string_append (string, ", ");
        g_string_append (string, p->data);
    }
    
    bonobo_widget_set_property (BONOBO_WIDGET (bonobo_widget), "text", string->str, NULL);
    
    g_string_free (string, TRUE);
}


/* FIXME: yea, this could be better... but it's doubtful it'll be used much */
void
e_msg_composer_hdrs_set_from_account (EMsgComposerHdrs *hdrs,
                      const char *account_name)
{
    GtkOptionMenu *omenu;
    GtkWidget *item;
    GSList *l;
    int i = 0;
    
    g_return_if_fail (hdrs != NULL);
    g_return_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs));
    
    omenu = GTK_OPTION_MENU (hdrs->priv->from_entry);
    
    /* find the item that represents the account and activate it */
    l = hdrs->priv->from_options;
    while (l) {
        MailConfigAccount *account;
        item = l->data;
        
        account = gtk_object_get_data (GTK_OBJECT (item), "account");
        if (!strcmp (account_name, account->name)) {
            gtk_option_menu_set_history (omenu, i);
            gtk_signal_emit_by_name (GTK_OBJECT (item), "activate", hdrs);
            return;
        }
        
        l = l->next;
        i++;
    }
}

void
e_msg_composer_hdrs_set_to (EMsgComposerHdrs *hdrs,
                const GList *to_list)
{
    g_return_if_fail (hdrs != NULL);
    g_return_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs));

    set_entry (BONOBO_WIDGET (hdrs->priv->to_entry), to_list);
}

void
e_msg_composer_hdrs_set_cc (EMsgComposerHdrs *hdrs,
                const GList *cc_list)
{
    g_return_if_fail (hdrs != NULL);
    g_return_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs));

    set_entry (BONOBO_WIDGET (hdrs->priv->cc_entry), cc_list);
}

void
e_msg_composer_hdrs_set_bcc (EMsgComposerHdrs *hdrs,
                 const GList *bcc_list)
{
    g_return_if_fail (hdrs != NULL);
    g_return_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs));

    set_entry (BONOBO_WIDGET (hdrs->priv->bcc_entry), bcc_list);
}

void
e_msg_composer_hdrs_set_subject (EMsgComposerHdrs *hdrs,
                 const char *subject)
{
    g_return_if_fail (hdrs != NULL);
    g_return_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs));
    g_return_if_fail (subject != NULL);

    gtk_object_set (GTK_OBJECT (hdrs->priv->subject_entry),
            "text", subject,
            NULL);
}


CamelInternetAddress *
e_msg_composer_hdrs_get_from (EMsgComposerHdrs *hdrs)
{
    const MailConfigAccount *account;
    CamelInternetAddress *addr;
    
    g_return_val_if_fail (hdrs != NULL, NULL);
    g_return_val_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs), NULL);
    
    account = hdrs->account;
    if (!account || !account->id) {
        /* FIXME: perhaps we should try the default account? */
        return NULL;
    }
    
    addr = camel_internet_address_new ();
    camel_internet_address_add (addr, account->id->name, account->id->address);
    
    return addr;
}

/* FIXME this is currently unused and broken.  */
GList *
e_msg_composer_hdrs_get_to (EMsgComposerHdrs *hdrs)
{
    g_return_val_if_fail (hdrs != NULL, NULL);
    g_return_val_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs), NULL);
    
    g_assert_not_reached ();
    
    return NULL;
}

/* FIXME this is currently unused and broken.  */
GList *
e_msg_composer_hdrs_get_cc (EMsgComposerHdrs *hdrs)
{
    g_return_val_if_fail (hdrs != NULL, NULL);
    g_return_val_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs), NULL);
    
    g_assert_not_reached ();
    
    return NULL;
}

/* FIXME this is currently unused and broken.  */
GList *
e_msg_composer_hdrs_get_bcc (EMsgComposerHdrs *hdrs)
{
    g_return_val_if_fail (hdrs != NULL, NULL);
    g_return_val_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs), NULL);
    
    g_assert_not_reached ();
    
    return NULL;
}

char *
e_msg_composer_hdrs_get_subject (EMsgComposerHdrs *hdrs)
{
    gchar *subject;
    
    g_return_val_if_fail (hdrs != NULL, NULL);
    g_return_val_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs), NULL);
    
    gtk_object_get (GTK_OBJECT (hdrs->priv->subject_entry),
            "text", &subject, NULL);
    
    return subject;
}


GtkWidget *
e_msg_composer_hdrs_get_to_entry (EMsgComposerHdrs *hdrs)
{
    g_return_val_if_fail (hdrs != NULL, NULL);
    g_return_val_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs), NULL);

    return hdrs->priv->to_entry;
}

GtkWidget *
e_msg_composer_hdrs_get_cc_entry (EMsgComposerHdrs *hdrs)
{
    g_return_val_if_fail (hdrs != NULL, NULL);
    g_return_val_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs), NULL);
    
    return hdrs->priv->cc_entry;
}

GtkWidget *
e_msg_composer_hdrs_get_bcc_entry (EMsgComposerHdrs *hdrs)
{
    g_return_val_if_fail (hdrs != NULL, NULL);
    g_return_val_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs), NULL);

    return hdrs->priv->bcc_entry;
}

GtkWidget *
e_msg_composer_hdrs_get_subject_entry (EMsgComposerHdrs *hdrs)
{
    g_return_val_if_fail (hdrs != NULL, NULL);
    g_return_val_if_fail (E_IS_MSG_COMPOSER_HDRS (hdrs), NULL);

    return hdrs->priv->subject_entry;
}