/* -*- c-file-style: "ruby"; indent-tabs-mode: nil -*- */
/* $Id: rbgnome-client.c,v 1.13 2007/07/13 16:07:28 ggc Exp $ */
/* base on libgnomeui/gnome-client.h */

/* Gnome::Client - GNOME session management client support
 *
 * Copyright (C) 2002-2005 Ruby-GNOME2 Project Team
 * Copyright (C) 2002      KUBO Takehiro <kubo@jiubao.org>
 * Copyright (C) 2001      Neil Conway <neilconway@rogers.com>
 * Copyright (C) 1998      Carsten Schaar <nhadcasc@fs-maphy.uni-hannover.de>
 *
 * This library 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 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "rbgnome.h"

static ID id_call;

#define _SELF(self) GNOME_CLIENT(RVAL2GOBJ(self))

static void
call_argv_command(func, self, args)
    void (*func)(GnomeClient *, gint, gchar **);
    VALUE self, args;
{
    gchar **argv;
    int i;

    Check_Type(args, T_ARRAY);
    argv = ALLOCA_N(gchar *, RARRAY(args)->len + 1);
    for (i = 0; i < RARRAY(args)->len; i++) {
        argv[i] = RVAL2CSTR(RARRAY(args)->ptr[i]);
    }
    argv[i] = NULL;
    (*func)(_SELF(self), RARRAY(args)->len, argv);
}

static VALUE
client_s_master_client(self)
    VALUE self;
{
    return GOBJ2RVAL(gnome_master_client());
}

static VALUE
client_get_config_prefix(self)
    VALUE self;
{
    const gchar *result = gnome_client_get_config_prefix(_SELF(self));
    return result ? rb_str_new2(result) : Qnil;
}

static VALUE
client_get_global_config_prefix(self)
    VALUE self;
{
    const gchar *result = gnome_client_get_global_config_prefix(_SELF(self));
    return result ? rb_str_new2(result) : Qnil;
}

static VALUE
client_set_global_config_prefix(self, prefix)
    VALUE self, prefix;
{
    gnome_client_set_global_config_prefix(_SELF(self), RVAL2CSTR(prefix));
    return self;
}

static VALUE
client_get_flags(self)
    VALUE self;
{
    return GFLAGS2RVAL(gnome_client_get_flags(_SELF(self)), GNOME_TYPE_CLIENT_FLAGS);
}

static VALUE
client_set_restart_style(self, style)
    VALUE self, style;
{
    gnome_client_set_restart_style(_SELF(self),
                                   RVAL2GENUM(style, GNOME_TYPE_RESTART_STYLE));
    return self;
}

static VALUE
client_set_priority(self, priority)
    VALUE self, priority;
{
    gnome_client_set_priority(_SELF(self), NUM2UINT(priority));
    return self;
}

static VALUE
client_set_restart_command(self, args)
    VALUE self, args;
{
    call_argv_command(gnome_client_set_restart_command, self, args);
    return self;
}

#if 0
void         gnome_client_add_static_arg (GnomeClient *client, ...);
#endif

static VALUE
client_set_discard_command(self, args)
    VALUE self, args;
{
    call_argv_command(gnome_client_set_discard_command, self, args);
    return self;
}

static VALUE
client_set_resign_command(self, args)
    VALUE self, args;
{
    call_argv_command(gnome_client_set_resign_command, self, args);
    return self;
}

static VALUE
client_set_shutdown_command(self, args)
    VALUE self, args;
{
    call_argv_command(gnome_client_set_shutdown_command, self, args);
    return self;
}

static VALUE
client_set_current_directory(self, dir)
    VALUE self, dir;
{
    gnome_client_set_current_directory(_SELF(self), RVAL2CSTR(dir));
    return self;
}

static VALUE
client_set_environment(self, name, value)
    VALUE self, name, value;
{
    gnome_client_set_environment(_SELF(self), RVAL2CSTR(name), RVAL2CSTR(value));
    return self;
}

static VALUE
client_set_clone_command(self, args)
    VALUE self, args;
{
    call_argv_command(gnome_client_set_clone_command, self, args);
    return self;
}

static VALUE
client_set_process_id(self, pid)
    VALUE self, pid;
{
    gnome_client_set_process_id(_SELF(self), (pid_t)NUM2INT(pid));
    return self;
}

static VALUE
client_set_program(self, program)
    VALUE self, program;
{
    gnome_client_set_program(_SELF(self), RVAL2CSTR(program));
    return self;
}

static VALUE
client_set_user_id(self, id)
    VALUE self, id;
{
    gnome_client_set_user_id(_SELF(self), RVAL2CSTR(id));
    return self;
}

static VALUE
client_save_any_dialog(self, dialog)
    VALUE self, dialog;
{
    gnome_client_save_any_dialog(_SELF(self), GTK_DIALOG(RVAL2GOBJ(dialog)));
    return self;
}

static VALUE
client_save_error_dialog(self, dialog)
    VALUE self, dialog;
{
    gnome_client_save_error_dialog(_SELF(self), GTK_DIALOG(RVAL2GOBJ(dialog)));
    return self;
}

static VALUE
client_request_phase_2(self)
    VALUE self;
{
    gnome_client_request_phase_2(_SELF(self));
    return self;
}

static VALUE
client_request_save(self, save_style, shutdown, interact_style, fast, global)
    VALUE self, save_style, shutdown, interact_style, fast, global;
{
    gnome_client_request_save(_SELF(self),
                              RVAL2GENUM(save_style, GNOME_TYPE_SAVE_STYLE),
                              RVAL2CBOOL(shutdown),
                              RVAL2GENUM(interact_style, GNOME_TYPE_INTERACT_STYLE),
                              RVAL2CBOOL(fast),
                              RVAL2CBOOL(global));
    return self;
}

static VALUE
client_flush(self)
    VALUE self;
{
    gnome_client_flush(_SELF(self));
    return self;
}

/* Deprecated.
gnome_client_disable_master_connection ()
*/

static VALUE
client_initialize(argc, argv, self)
    int argc;
    VALUE *argv;
    VALUE self;
{
    GnomeClient* client;
    VALUE do_connect;
    rb_scan_args(argc, argv, "01", &do_connect);
    if (NIL_P(do_connect) || RVAL2CBOOL(do_connect)) {
        client = gnome_client_new();
    } else {
        client = gnome_client_new_without_connection();
    }
    RBGTK_INITIALIZE(self, client);
    return Qnil;
}

static VALUE
client_connect(self)
    VALUE self;
{
    gnome_client_connect(_SELF(self));
    return self;
}

static VALUE
client_disconnect(self)
    VALUE self;
{
    gnome_client_disconnect(_SELF(self));
    return self;
}

static VALUE
client_connected(self)
    VALUE self;
{
    return CBOOL2RVAL(GNOME_CLIENT_CONNECTED(_SELF(self)));
}

static VALUE
client_set_id(self, client_id)
    VALUE self, client_id;
{
    gnome_client_set_id(_SELF(self), RVAL2CSTR(client_id));
    return self;
}

static VALUE
client_get_id(self)
    VALUE self;
{
    const gchar *result = gnome_client_get_id(_SELF(self));
    return result ? rb_str_new2(result) : Qnil;
}

static VALUE
client_get_previous_id(self)
    VALUE self;
{
    const gchar *result = gnome_client_get_previous_id(_SELF(self));
    return result ? rb_str_new2(result) : Qnil;
}

static VALUE
client_get_desktop_id(self)
    VALUE self;
{
    const gchar *result = gnome_client_get_desktop_id(_SELF(self));
    return result ? rb_str_new2(result) : Qnil;
}

static void
client_interact_function(client, key, dialog_type, data)
    GnomeClient *client;
    gint key;
    GnomeDialogType dialog_type;
    gpointer data;
{
    VALUE proc = RARRAY(data)->ptr[0];
    int argc = RARRAY(data)->len + 2;
    VALUE *argv = ALLOCA_N(VALUE, argc);
    int i;

    argv[0] = GOBJ2RVAL(client);
    argv[1] = INT2NUM(key);
    argv[2] = GENUM2RVAL(dialog_type, GNOME_TYPE_DIALOG_TYPE);
    for (i = 1; i < RARRAY(data)->len; i++) {
        argv[i + 2] = RARRAY(data)->ptr[i];
    }
    rb_funcall2(proc, id_call, argc, argv);
}

static VALUE
client_request_interaction(argc, argv, self)
    int argc;
    VALUE *argv, self;
{
    VALUE dialog_type, args, proc;

    rb_scan_args(argc, argv, "1*", &dialog_type, &args);
    proc = rb_block_proc();
    rb_ary_unshift(args, proc);
    gnome_client_request_interaction(_SELF(self),
                                     RVAL2GENUM(dialog_type, GNOME_TYPE_DIALOG_TYPE),
                                     client_interact_function,
                                     (gpointer)args);
    G_RELATIVE(self, args);
    return self;
}

/* Don't need this.
void        gnome_client_request_interaction_interp
                                            (GnomeClient *client,
                                             GnomeDialogType dialog_type,
                                             GtkCallbackMarshal function,
                                             gpointer data,
                                             GtkDestroyNotify destroy);
*/

static VALUE
rbgnome_interaction_key_return(self, key, cancel_shutdown)
    VALUE self, key, cancel_shutdown;
{
    gnome_interaction_key_return(NUM2INT(key), RVAL2CBOOL(cancel_shutdown));
    return Qnil;
}

void
Init_gnome_client(mGnome)
    VALUE mGnome;
{
    VALUE gnoClient = G_DEF_CLASS(GNOME_TYPE_CLIENT, "Client", mGnome);

    id_call = rb_intern("call");

    /* GnomeInteractStyle */
    G_DEF_CLASS(GNOME_TYPE_INTERACT_STYLE, "InteractStyle", gnoClient);
    G_DEF_CONSTANTS(gnoClient, GNOME_TYPE_INTERACT_STYLE, "GNOME_");

    /* GnomeDialogType */
    G_DEF_CLASS(GNOME_TYPE_DIALOG_TYPE, "DialogType", gnoClient);
    G_DEF_CONSTANTS(gnoClient, GNOME_TYPE_DIALOG_TYPE, "GNOME_");

    /* GnomeSaveStyle */
    G_DEF_CLASS(GNOME_TYPE_SAVE_STYLE, "SaveStyle", gnoClient);
    G_DEF_CONSTANTS(gnoClient, GNOME_TYPE_SAVE_STYLE, "GNOME_");

    /* GnomeRestartStyle */
    G_DEF_CLASS(GNOME_TYPE_RESTART_STYLE, "RestartStyle", gnoClient);
    G_DEF_CONSTANTS(gnoClient, GNOME_TYPE_RESTART_STYLE, "GNOME_");

    /* GnomeClientState */
    G_DEF_CLASS(GNOME_TYPE_CLIENT_STATE, "State", gnoClient);
    G_DEF_CONSTANTS(gnoClient, GNOME_TYPE_CLIENT_STATE, "GNOME_CLIENT_");

    /* GnomeClientFlags */
    G_DEF_CLASS(GNOME_TYPE_CLIENT_FLAGS, "Flags", gnoClient);
    G_DEF_CONSTANTS(gnoClient, GNOME_TYPE_CLIENT_FLAGS, "GNOME_CLIENT_");

    rb_define_singleton_method(gnoClient, "master_client", client_s_master_client, 0);
    rb_define_method(gnoClient, "config_prefix", client_get_config_prefix, 0);
    rb_define_method(gnoClient, "global_config_prefix", client_get_global_config_prefix, 0);
    rb_define_method(gnoClient, "set_global_config_prefix", client_set_global_config_prefix, 1);
    rb_define_method(gnoClient, "flags", client_get_flags, 0);
    rb_define_method(gnoClient, "set_restart_style", client_set_restart_style, 1);
    rb_define_method(gnoClient, "set_priority", client_set_priority, 1);
    rb_define_method(gnoClient, "set_restart_command", client_set_restart_command, 1);
    rb_define_method(gnoClient, "set_discard_command", client_set_discard_command, 1);
    rb_define_method(gnoClient, "set_resign_command", client_set_resign_command, 1);
    rb_define_method(gnoClient, "set_shutdown_command", client_set_shutdown_command, 1);
    rb_define_method(gnoClient, "set_current_directory", client_set_current_directory, 1);
    rb_define_method(gnoClient, "set_environment", client_set_environment, 2);
    rb_define_method(gnoClient, "set_clone_command", client_set_clone_command, 1);
    rb_define_method(gnoClient, "set_process_id", client_set_process_id, 1);
    rb_define_method(gnoClient, "set_program", client_set_program, 1);
    rb_define_method(gnoClient, "set_user_id", client_set_user_id, 1);
    rb_define_method(gnoClient, "save_any_dialog", client_save_any_dialog, 1);
    rb_define_method(gnoClient, "save_error_dialog", client_save_error_dialog, 1);
    rb_define_method(gnoClient, "request_phase_2", client_request_phase_2, 0);
    rb_define_method(gnoClient, "request_save", client_request_save, 5);
    rb_define_method(gnoClient, "flush", client_flush, 0);

    rb_define_method(gnoClient, "initialize", client_initialize, -1);
    rb_define_method(gnoClient, "connect", client_connect, 0);
    rb_define_method(gnoClient, "disconnect", client_disconnect, 0);
    rb_define_method(gnoClient, "connected?", client_connected, 0);
    rb_define_method(gnoClient, "set_id", client_set_id, 1);
    rb_define_method(gnoClient, "id", client_get_id, 0);
    rb_define_method(gnoClient, "previous_id", client_get_previous_id, 0);
    rb_define_method(gnoClient, "desktop_id", client_get_desktop_id, 0);
    rb_define_method(gnoClient, "request_interaction", client_request_interaction, -1);
    rb_define_singleton_method(gnoClient, "interaction_key_return", rbgnome_interaction_key_return, 2);

    G_DEF_SETTERS(gnoClient);
}