path: root/shell/evolution-shell-client.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* evolution-shell-client.c
 *
 * Copyright (C) 2000  Ximian, 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 <gtk/gtkmain.h>
#include <bonobo/bonobo-main.h>
#include <bonobo/bonobo-object.h>

#include <gal/util/e-util.h>

#include "evolution-shell-client.h"


struct _EvolutionShellClientPrivate {
    GNOME_Evolution_Activity activity_interface;
};

#define PARENT_TYPE bonobo_object_client_get_type ()
static BonoboObjectClientClass *parent_class = NULL;


/* Easy-to-use wrapper for Evolution::user_select_folder.  */

static PortableServer_ServantBase__epv FolderSelectionListener_base_epv;
static POA_GNOME_Evolution_FolderSelectionListener__epv FolderSelectionListener_epv;
static POA_GNOME_Evolution_FolderSelectionListener__vepv FolderSelectionListener_vepv;
static gboolean FolderSelectionListener_vtables_initialized = FALSE;

struct _FolderSelectionListenerServant {
    POA_GNOME_Evolution_FolderSelectionListener servant;
    char **uri_return;
    char **physical_uri_return;
};
typedef struct _FolderSelectionListenerServant FolderSelectionListenerServant;

static void
impl_FolderSelectionListener_selected (PortableServer_Servant servant,
                       const CORBA_char *uri,
                       const CORBA_char *physical_uri,
                       CORBA_Environment *ev)
{
    FolderSelectionListenerServant *listener_servant;

    listener_servant = (FolderSelectionListenerServant *) servant;

    if (listener_servant->uri_return != NULL)
        * (listener_servant->uri_return) = g_strdup (uri);

    if (listener_servant->physical_uri_return != NULL)
        * (listener_servant->physical_uri_return) = g_strdup (physical_uri);

    gtk_main_quit ();
}

static void
impl_FolderSelectionListener_cancel (PortableServer_Servant servant,
                     CORBA_Environment *ev)
{
    FolderSelectionListenerServant *listener_servant;

    listener_servant = (FolderSelectionListenerServant *) servant;

    if (listener_servant->uri_return != NULL)
        * (listener_servant->uri_return) = NULL;

    if (listener_servant->physical_uri_return != NULL)
        * (listener_servant->physical_uri_return) = NULL;

    gtk_main_quit ();
}   

static void
init_FolderSelectionListener_vtables (void)
{
    FolderSelectionListener_base_epv._private    = NULL;
    FolderSelectionListener_base_epv.finalize    = NULL;
    FolderSelectionListener_base_epv.default_POA = NULL;

    FolderSelectionListener_epv.notifySelected = impl_FolderSelectionListener_selected;
    FolderSelectionListener_epv.notifyCanceled = impl_FolderSelectionListener_cancel;

    FolderSelectionListener_vepv._base_epv                             = &FolderSelectionListener_base_epv;
    FolderSelectionListener_vepv.GNOME_Evolution_FolderSelectionListener_epv = &FolderSelectionListener_epv;
        
    FolderSelectionListener_vtables_initialized = TRUE;
}

static GNOME_Evolution_FolderSelectionListener
create_folder_selection_listener_interface (char **result,
                        char **uri_return,
                        char **physical_uri_return)
{
    GNOME_Evolution_FolderSelectionListener corba_interface;
    CORBA_Environment ev;
    FolderSelectionListenerServant *servant;
    PortableServer_Servant listener_servant;

    if (! FolderSelectionListener_vtables_initialized)
        init_FolderSelectionListener_vtables ();

    servant = g_new0 (FolderSelectionListenerServant, 1);
    servant->servant.vepv        = &FolderSelectionListener_vepv;
    servant->uri_return          = uri_return;
    servant->physical_uri_return = physical_uri_return;

    listener_servant = (PortableServer_Servant) servant;

    CORBA_exception_init (&ev);

    POA_GNOME_Evolution_FolderSelectionListener__init (listener_servant, &ev);
    if (ev._major != CORBA_NO_EXCEPTION) {
        g_free(servant);
        return CORBA_OBJECT_NIL;
    }

    CORBA_free (PortableServer_POA_activate_object (bonobo_poa (), listener_servant, &ev));

    corba_interface = PortableServer_POA_servant_to_reference (bonobo_poa (), listener_servant, &ev);
    if (ev._major != CORBA_NO_EXCEPTION)
        corba_interface = CORBA_OBJECT_NIL;

    CORBA_exception_free (&ev);

    return corba_interface;
}

static int
count_string_items (const char *list[])
{
    int i;

    if (list == NULL)
        return 0;

    for (i = 0; list[i] != NULL; i++)
        ;

    return i;
}

static void
user_select_folder (EvolutionShellClient *shell_client,
            const char *title,
            const char *default_folder,
            const char *possible_types[],
            char **uri_return,
            char **physical_uri_return)
{
    GNOME_Evolution_FolderSelectionListener listener_interface;
    GNOME_Evolution_Shell corba_shell;
    CORBA_Environment ev;
    GNOME_Evolution_Shell_FolderTypeNameList corba_type_name_list;
    int num_possible_types;
    char *result;

    result = NULL;

    if (uri_return != NULL)
        *uri_return = NULL;
    if (physical_uri_return != NULL)
        *physical_uri_return = NULL;

    listener_interface = create_folder_selection_listener_interface (&result, uri_return, 
                                     physical_uri_return);
    if (listener_interface == CORBA_OBJECT_NIL)
        return;

    CORBA_exception_init (&ev);

    corba_shell = bonobo_object_corba_objref (BONOBO_OBJECT (shell_client));

    num_possible_types = count_string_items (possible_types);

    corba_type_name_list._length  = num_possible_types;
    corba_type_name_list._maximum = num_possible_types;
    corba_type_name_list._buffer  = (CORBA_char **) possible_types;

    GNOME_Evolution_Shell_selectUserFolder (corba_shell, listener_interface,
                        title, default_folder, &corba_type_name_list,
                        &ev);

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

    gtk_main();

    CORBA_Object_release (listener_interface, &ev);

    CORBA_exception_free (&ev);
}


/* GtkObject methods.  */

static void
destroy (GtkObject *object)
{
    EvolutionShellClient *shell_client;
    EvolutionShellClientPrivate *priv;
    CORBA_Environment ev;

    shell_client = EVOLUTION_SHELL_CLIENT (object);
    priv = shell_client->priv;

    CORBA_exception_init (&ev);

    if (priv->activity_interface != CORBA_OBJECT_NIL) {
        Bonobo_Unknown_unref (priv->activity_interface, &ev);
        if (ev._major != CORBA_NO_EXCEPTION)
            g_warning ("EvolutionShellClient::destroy: "
                   "Error unreffing the ::Activity interface -- %s\n",
                   ev._repo_id);
        CORBA_Object_release (priv->activity_interface, &ev);
    }

    CORBA_exception_free (&ev);

    g_free (priv);

    (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}


static void
class_init (EvolutionShellClientClass *klass)
{
    GtkObjectClass *object_class;

    parent_class = gtk_type_class (bonobo_object_get_type ());

    object_class = GTK_OBJECT_CLASS (klass);

    object_class->destroy = destroy;
}

static void
init (EvolutionShellClient *shell_client)
{
    EvolutionShellClientPrivate *priv;

    priv = g_new (EvolutionShellClientPrivate, 1);
    priv->activity_interface = CORBA_OBJECT_NIL;

    shell_client->priv = priv;
}


/**
 * evolution_shell_client_construct:
 * @shell_client: 
 * @corba_shell: 
 * 
 * Construct @shell_client associating it to @corba_shell.
 **/
void
evolution_shell_client_construct (EvolutionShellClient *shell_client,
                  GNOME_Evolution_Shell corba_shell)
{
    CORBA_Environment ev;
    EvolutionShellClientPrivate *priv;

    g_return_if_fail (shell_client != NULL);
    g_return_if_fail (EVOLUTION_IS_SHELL_CLIENT (shell_client));
    g_return_if_fail (corba_shell != CORBA_OBJECT_NIL);

    bonobo_object_construct (BONOBO_OBJECT (shell_client), (CORBA_Object) corba_shell);

    CORBA_exception_init (&ev);

    priv = shell_client->priv;
    g_return_if_fail (priv->activity_interface == CORBA_OBJECT_NIL);

    priv->activity_interface = Bonobo_Unknown_queryInterface (bonobo_object_corba_objref (BONOBO_OBJECT (shell_client)),
                                  "IDL:GNOME/Evolution/Activity:1.0",
                                  &ev);
    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("EvolutionShellClient: Error querying interface ::Activity -- %s", ev._repo_id);
        priv->activity_interface = CORBA_OBJECT_NIL;
    } else if (CORBA_Object_is_nil (priv->activity_interface, &ev)) {
        g_warning ("No ::Activity interface for ShellClient %p", shell_client);
    }

    CORBA_exception_free (&ev);
}

/**
 * evolution_shell_client_new:
 * @corba_shell: A pointer to the CORBA Evolution::Shell interface.
 * 
 * Create a new client object for @corba_shell.
 * 
 * Return value: A pointer to the Evolution::Shell client BonoboObject.
 **/
EvolutionShellClient *
evolution_shell_client_new (GNOME_Evolution_Shell corba_shell)
{
    EvolutionShellClient *shell_client;

    shell_client = gtk_type_new (evolution_shell_client_get_type ());

    evolution_shell_client_construct (shell_client, corba_shell);

    if (bonobo_object_corba_objref (BONOBO_OBJECT (shell_client)) == CORBA_OBJECT_NIL) {
        bonobo_object_unref (BONOBO_OBJECT (shell_client));
        return NULL;
    }

    return shell_client;
}


/**
 * evolution_shell_client_user_select_folder:
 * @shell_client: A EvolutionShellClient object
 * @title: The title for the folder selection dialog
 * @default_folder: URI (physical or evolution:) of the folder initially selected on the dialog
 * @uri_return: 
 * @physical_uri_return: 
 * 
 * Pop up the shell's folder selection dialog with the specified @title and
 * @default_folder as the initially selected folder.  On return, set *@uri and
 * *@physical_uri to the evolution: URI and the physical URI of the selected
 * folder (or %NULL if the user cancelled the dialog).  (The dialog is modal.)
 **/
void
evolution_shell_client_user_select_folder (EvolutionShellClient *shell_client,
                       const char *title,
                       const char *default_folder,
                       const char *possible_types[],
                       char **uri_return,
                       char **physical_uri_return)
{
    g_return_if_fail (shell_client != NULL);
    g_return_if_fail (EVOLUTION_IS_SHELL_CLIENT (shell_client));
    g_return_if_fail (title != NULL);
    g_return_if_fail (default_folder != NULL);

    user_select_folder (shell_client, title, default_folder, possible_types,
                uri_return, physical_uri_return);
}


/**
 * evolution_shell_client_get_activity_interface:
 * @shell_client: An EvolutionShellClient object
 * 
 * Get the GNOME::Evolution::Activity for the shell associated to
 * @shell_client.
 * 
 * Return value: A CORBA Object represeting the GNOME::Evolution::Activity
 * interface.
 **/
GNOME_Evolution_Activity
evolution_shell_client_get_activity_interface (EvolutionShellClient *shell_client)
{
    g_return_val_if_fail (shell_client != NULL, CORBA_OBJECT_NIL);
    g_return_val_if_fail (EVOLUTION_IS_SHELL_CLIENT (shell_client), CORBA_OBJECT_NIL);

    return shell_client->priv->activity_interface;
}


/**
 * evolution_shell_client_get_local_storage:
 * @shell_client: An EvolutionShellClient object
 * 
 * Retrieve the local storage interface for this shell.
 * 
 * Return value: a pointer to the CORBA object implementing the local storage
 * in the shell associated with @shell_client.
 **/
GNOME_Evolution_Storage
evolution_shell_client_get_local_storage (EvolutionShellClient *shell_client)
{
    GNOME_Evolution_Shell corba_shell;
    GNOME_Evolution_Storage corba_local_storage;
    CORBA_Environment ev;

    g_return_val_if_fail (shell_client != NULL, CORBA_OBJECT_NIL);
    g_return_val_if_fail (EVOLUTION_IS_SHELL_CLIENT (shell_client), CORBA_OBJECT_NIL);

    CORBA_exception_init (&ev);

    corba_shell = bonobo_object_corba_objref (BONOBO_OBJECT (shell_client));
    if (corba_shell == CORBA_OBJECT_NIL)
        return CORBA_OBJECT_NIL;

    corba_local_storage = GNOME_Evolution_Shell_getLocalStorage (corba_shell, &ev);
    if (ev._major != CORBA_NO_EXCEPTION) {
        CORBA_exception_free (&ev);
        return CORBA_OBJECT_NIL;
    }

    CORBA_exception_free (&ev);

    return corba_local_storage;
}


E_MAKE_TYPE (evolution_shell_client, "EvolutionShellClient", EvolutionShellClient, class_init, init, PARENT_TYPE)