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path: root/plugins/exchange-operations/exchange-folder-subscription.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:
 *      Shakti Sen <shprasad@novell.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <glade/glade-xml.h>
#include <gtk/gtk.h>
#include <e-util/e-error.h>
#include <e-folder.h>
#include <exchange-account.h>
#include <exchange-hierarchy.h>
#include "exchange-hierarchy-foreign.h"
#include <e2k-types.h>
#include <exchange-types.h>
#include <e2k-propnames.h>
#include <libedataserverui/e-name-selector.h>
#include "exchange-config-listener.h"
#include "exchange-folder-subscription.h"
#include "exchange-operations.h"

static void
user_response (ENameSelectorDialog *name_selector_dialog, gint response, gpointer data)
{
    gtk_widget_hide (GTK_WIDGET (name_selector_dialog));
}

static void
user_clicked (GtkWidget *button, ENameSelector *name_selector)
{
    ENameSelectorDialog *name_selector_dialog;

    name_selector_dialog = e_name_selector_peek_dialog (name_selector);
    gtk_window_set_modal (GTK_WINDOW (name_selector_dialog), TRUE);
    gtk_widget_show (GTK_WIDGET (name_selector_dialog));
}

static GtkWidget *
setup_name_selector (GladeXML *glade_xml, ENameSelector **name_selector_ret)
{
    ENameSelector *name_selector;
    ENameSelectorModel *name_selector_model;
    ENameSelectorDialog *name_selector_dialog;
    GtkWidget *placeholder;
    GtkWidget *widget;
    GtkWidget *button;

    placeholder = glade_xml_get_widget (glade_xml, "user-picker-placeholder");
    g_assert (GTK_IS_CONTAINER (placeholder));

    name_selector = e_name_selector_new ();

    name_selector_model = e_name_selector_peek_model (name_selector);
    /* FIXME Limit to one user */
    e_name_selector_model_add_section (name_selector_model, "User", _("User"), NULL);

    /* Listen for responses whenever the dialog is shown */
    name_selector_dialog = e_name_selector_peek_dialog (name_selector);
    g_signal_connect (name_selector_dialog, "response",
              G_CALLBACK (user_response), name_selector);

    widget = GTK_WIDGET (e_name_selector_peek_section_entry (name_selector, "User"));
    gtk_widget_show (widget);

    button = glade_xml_get_widget (glade_xml, "button-user");
    g_signal_connect (button, "clicked", G_CALLBACK (user_clicked), name_selector);
    gtk_box_pack_start (GTK_BOX (placeholder), widget, TRUE, TRUE, 6);
    *name_selector_ret = name_selector;

    return widget;
}

static void
setup_folder_name_combo (GladeXML *glade_xml, const gchar *fname)
{
    GtkComboBox *combo;
    const gchar *strings[] = {
        "Calendar",
        "Inbox",
        "Contacts",
        "Tasks",
        NULL
        /* FIXME: Should these be translated?  */
    };
    gint i;

    combo = GTK_COMBO_BOX (glade_xml_get_widget (glade_xml, "folder-name-combo"));
    g_assert (GTK_IS_COMBO_BOX_ENTRY (combo));

    gtk_list_store_clear (GTK_LIST_STORE (gtk_combo_box_get_model (combo)));

    for (i = 0; strings[i] != NULL; i ++)
        gtk_combo_box_append_text (combo, strings[i]);

    gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (combo))), fname);
}

static void
folder_name_entry_changed_callback (GtkEditable *editable,
                                    gpointer data)
{
    GtkDialog *dialog = GTK_DIALOG (data);
    const gchar *folder_name_text = gtk_entry_get_text (GTK_ENTRY (editable));

    if (*folder_name_text == '\0')
        gtk_dialog_set_response_sensitive (dialog, GTK_RESPONSE_OK, FALSE);
    else
        gtk_dialog_set_response_sensitive (dialog, GTK_RESPONSE_OK, TRUE);
}

static void
user_name_entry_changed_callback (GtkEditable *editable, gpointer data)
{
    GtkDialog *dialog = GTK_DIALOG (data);
    const gchar *user_name_text = gtk_entry_get_text (GTK_ENTRY (editable));

    if (*user_name_text == '\0')
        gtk_dialog_set_response_sensitive (dialog, GTK_RESPONSE_OK, FALSE);
    else
        gtk_dialog_set_response_sensitive (dialog, GTK_RESPONSE_OK, TRUE);
}

static void
setup_server_combobox (GladeXML *glade_xml, gchar *mail_account)
{
    GtkWidget *widget;

    widget = glade_xml_get_widget (glade_xml, "server-combobox");
    g_return_if_fail (GTK_IS_COMBO_BOX (widget));

    gtk_list_store_clear (GTK_LIST_STORE (gtk_combo_box_get_model (GTK_COMBO_BOX (widget))));

    gtk_combo_box_append_text (GTK_COMBO_BOX (widget), mail_account);
    gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0);

    /* FIXME: Default to the current storage in the shell view.  */
}

typedef struct {
    ExchangeAccount *account;
    ENameSelector *name_selector;
    GtkWidget *name_selector_widget;
    GtkWidget *folder_name_entry;
}SubscriptionInfo;

static void
destroy_subscription_info (SubscriptionInfo *subscription_info)
{
    if (subscription_info->name_selector) {
        g_object_unref (subscription_info->name_selector);
        subscription_info->name_selector = NULL;
    }
    g_free (subscription_info);
}

static void
subscribe_to_folder (GtkWidget *dialog, gint response, gpointer data)
{
    SubscriptionInfo *subscription_info = data;
    gchar *user_email_address = NULL, *folder_name = NULL, *path = NULL;
    gchar *subscriber_email;
    EFolder *folder = NULL;
    EDestinationStore *destination_store;
    GList *destinations;
    EDestination *destination;
    ExchangeAccountFolderResult result;

    if (response == GTK_RESPONSE_CANCEL) {
        gtk_widget_destroy (dialog);
        destroy_subscription_info (subscription_info);
    }
    else if (response == GTK_RESPONSE_OK) {
        while (TRUE) {
            destination_store = e_name_selector_entry_peek_destination_store (
                        E_NAME_SELECTOR_ENTRY (GTK_ENTRY (subscription_info->name_selector_widget)));
            destinations = e_destination_store_list_destinations (destination_store);
            if (!destinations)
                break;
            destination = destinations->data;
            user_email_address = g_strdup (e_destination_get_email (destination));
            g_list_free (destinations);

            if (user_email_address != NULL && *user_email_address != '\0')
                break;

            /* check if user is trying to subscribe to his own folder */
            subscriber_email = exchange_account_get_email_id (subscription_info->account);
            if (subscriber_email != NULL && *subscriber_email != '\0') {
                if (g_str_equal (subscriber_email, user_email_address)) {
                    e_error_run (NULL, ERROR_DOMAIN ":folder-exists-error", NULL);
                    g_free (user_email_address);
                    gtk_widget_destroy (dialog);
                    destroy_subscription_info (subscription_info);
                    return;
                }
            }

            /* It would be nice to insensitivize the OK button appropriately
            instead of doing this, but unfortunately we can't do this for the
            Bonobo control.  */
            e_error_run (GTK_WINDOW (dialog), ERROR_DOMAIN ":select-user", NULL);
        }

        folder_name = g_strdup (gtk_entry_get_text (GTK_ENTRY (subscription_info->folder_name_entry)));
        if (user_email_address && folder_name) {
            result = exchange_account_discover_shared_folder (subscription_info->account,
                                      user_email_address,
                                      folder_name, &folder);
            g_free (folder_name);
            gtk_widget_hide (dialog);
            switch (result) {
                case EXCHANGE_ACCOUNT_FOLDER_OK:
                    exchange_account_rescan_tree (subscription_info->account);
                    if (!g_ascii_strcasecmp (e_folder_get_type_string (folder), "mail"))
                        e_error_run (NULL, ERROR_DOMAIN ":folder-restart-evo", NULL);
                    break;
                case EXCHANGE_ACCOUNT_FOLDER_ALREADY_EXISTS:
                    e_error_run (NULL, ERROR_DOMAIN ":folder-exists-error", NULL);
                    break;
                case EXCHANGE_ACCOUNT_FOLDER_DOES_NOT_EXIST:
                    e_error_run (NULL, ERROR_DOMAIN ":folder-doesnt-exist-error", NULL);
                    break;
                case EXCHANGE_ACCOUNT_FOLDER_UNKNOWN_TYPE:
                    e_error_run (NULL, ERROR_DOMAIN ":folder-unknown-type", NULL);
                    break;
                case EXCHANGE_ACCOUNT_FOLDER_PERMISSION_DENIED:
                    e_error_run (NULL, ERROR_DOMAIN ":folder-perm-error", NULL);
                    break;
                case EXCHANGE_ACCOUNT_FOLDER_OFFLINE:
                    e_error_run (NULL, ERROR_DOMAIN ":folder-offline-error", NULL);
                    break;
                case EXCHANGE_ACCOUNT_FOLDER_UNSUPPORTED_OPERATION:
                    e_error_run (NULL, ERROR_DOMAIN ":folder-unsupported-error", NULL);
                    break;
                case EXCHANGE_ACCOUNT_FOLDER_GC_NOTREACHABLE:
                    e_error_run (NULL, ERROR_DOMAIN ":folder-no-gc-error", NULL);
                    break;
                case EXCHANGE_ACCOUNT_FOLDER_NO_SUCH_USER:
                    e_error_run (NULL, ERROR_DOMAIN ":no-user-error", user_email_address, NULL);
                    break;
                case EXCHANGE_ACCOUNT_FOLDER_GENERIC_ERROR:
                    e_error_run (NULL, ERROR_DOMAIN ":folder-generic-error", NULL);
                    break;
                default:
                    break;
            }
        }

        if (!folder) {
            g_free (user_email_address);
            gtk_widget_destroy (dialog);
            return;
        }

        g_object_unref (folder);
        path = g_strdup_printf ("/%s", user_email_address);
        exchange_account_open_folder (subscription_info->account, path);
        g_free (path);
        g_free (user_email_address);
        gtk_widget_destroy (dialog);
        destroy_subscription_info (subscription_info);
    }
}

gboolean
create_folder_subscription_dialog (ExchangeAccount *account, const gchar *fname)
{
    ENameSelector *name_selector;
    GladeXML *glade_xml;
    GtkWidget *dialog, *ok_button;
    SubscriptionInfo *subscription_info;
    gint mode;

    exchange_account_is_offline (account, &mode);
    if (mode == OFFLINE_MODE)
        return FALSE;

    subscription_info = g_new0 (SubscriptionInfo, 1);
    subscription_info->account = account;

    glade_xml = glade_xml_new (CONNECTOR_GLADEDIR "/e-foreign-folder-dialog.glade",
                   NULL, NULL);
    g_return_val_if_fail (glade_xml != NULL, FALSE);

    dialog = glade_xml_get_widget (glade_xml, "dialog");
    g_return_val_if_fail (dialog != NULL, FALSE);
    gtk_window_set_modal (GTK_WINDOW (dialog), FALSE);
    gtk_window_set_title (GTK_WINDOW (dialog), _("Subscribe to Other User's Folder"));

    subscription_info->name_selector_widget = setup_name_selector (glade_xml, &name_selector);
    subscription_info->name_selector = name_selector;
    gtk_widget_grab_focus (subscription_info->name_selector_widget);

    ok_button = glade_xml_get_widget (glade_xml, "button1");
    gtk_widget_set_sensitive (ok_button, FALSE);
    g_signal_connect (subscription_info->name_selector_widget, "changed",
              G_CALLBACK (user_name_entry_changed_callback), dialog);

    setup_server_combobox (glade_xml, account->account_name);
    setup_folder_name_combo (glade_xml, fname);
    subscription_info->folder_name_entry = gtk_bin_get_child (GTK_BIN (glade_xml_get_widget (glade_xml, "folder-name-combo")));
    g_signal_connect (dialog, "response", G_CALLBACK (subscribe_to_folder), subscription_info);
    gtk_widget_show (dialog);

    /* Connect the callback to set the OK button insensitive when there is
       no text in the folder_name_entry.  Notice that we put a value there
       by default so the OK button is sensitive by default.  */
    g_signal_connect (subscription_info->folder_name_entry, "changed",
              G_CALLBACK (folder_name_entry_changed_callback), dialog);

    return TRUE;
}