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path: root/executive-summary/evolution-services/executive-summary-component.c
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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* executive-summary-component.c - Bonobo implementation of 
 *                                 SummaryComponent.idl
 *
 * Authors: Iain Holmes <iain@helixcode.com>
 *
 * Copyright (C) 2000  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.
 */

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

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

#include "Executive-Summary.h"
#include "executive-summary-component.h"

static void executive_summary_component_destroy (GtkObject *object);
static void executive_summary_component_init (ExecutiveSummaryComponent *component);
static void executive_summary_component_class_init (ExecutiveSummaryComponentClass *esc_class);

#define PARENT_TYPE (bonobo_object_get_type ())
#define FACTORY_PARENT_TYPE (bonobo_object_get_type ())

static BonoboObjectClass *parent_class;
static BonoboObjectClass *factory_parent_class;

struct _ExecutiveSummaryComponentPrivate {
    int dummy;
};

struct _ExecutiveSummaryComponentFactoryPrivate {
    EvolutionServicesCreateViewFn create_view;
    void *closure;
};

/* CORBA interface */
static POA_GNOME_Evolution_Summary_Component__vepv SummaryComponent_vepv;
static POA_GNOME_Evolution_Summary_ComponentFactory__vepv ComponentFactory_vepv;

static POA_GNOME_Evolution_Summary_Component *
create_servant (void)
{
    POA_GNOME_Evolution_Summary_Component *servant;
    CORBA_Environment ev;
    
    servant = (POA_GNOME_Evolution_Summary_Component *)g_new0 (BonoboObjectServant, 1);
    servant->vepv = &SummaryComponent_vepv;
    
    CORBA_exception_init (&ev);
    POA_GNOME_Evolution_Summary_Component__init ((PortableServer_Servant) servant, &ev);
    if (ev._major != CORBA_NO_EXCEPTION) {
        g_free (servant);
        CORBA_exception_free (&ev);
        return NULL;
    }
    
    CORBA_exception_free (&ev);
    
    return servant;
}

static void
executive_summary_component_destroy (GtkObject *object)
{
    ExecutiveSummaryComponent *component;
    ExecutiveSummaryComponentPrivate *priv;
    CORBA_Environment ev;
    
    component = EXECUTIVE_SUMMARY_COMPONENT (object);
    priv = component->private;
    
    if (priv == NULL)
        return;
    
    CORBA_exception_init (&ev);

#if 0   
    if (priv->owner_client != NULL) {
        bonobo_object_unref (BONOBO_OBJECT (priv->owner_client));
        priv->owner_client = NULL;
    }
#endif

    CORBA_exception_free (&ev);
    
    g_free (priv);
    component->private = NULL;
    
    (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}

/* Init */
static void
corba_class_init (void)
{
    POA_GNOME_Evolution_Summary_Component__vepv *vepv;
    POA_GNOME_Evolution_Summary_Component__epv *epv;
    PortableServer_ServantBase__epv *base_epv;
    
    base_epv = g_new0 (PortableServer_ServantBase__epv, 1);
    base_epv->_private = NULL;
    base_epv->finalize = NULL;
    base_epv->default_POA = NULL;
    
    epv = g_new0 (POA_GNOME_Evolution_Summary_Component__epv, 1);
        
    vepv = &SummaryComponent_vepv;
    vepv->_base_epv = base_epv;
    vepv->Bonobo_Unknown_epv = bonobo_object_get_epv ();
    vepv->GNOME_Evolution_Summary_Component_epv = epv;
}

static void
executive_summary_component_class_init (ExecutiveSummaryComponentClass *klass)
{
    GtkObjectClass *object_class;
    
    object_class = GTK_OBJECT_CLASS (klass);
    object_class->destroy = executive_summary_component_destroy;

    parent_class = gtk_type_class (PARENT_TYPE);
    
    corba_class_init ();
}

static void
executive_summary_component_init (ExecutiveSummaryComponent *component)
{
    ExecutiveSummaryComponentPrivate *priv;
    
    priv = g_new (ExecutiveSummaryComponentPrivate, 1);
    
    component->private = priv;
}

E_MAKE_TYPE (executive_summary_component, "ExecutiveSummaryComponent", 
         ExecutiveSummaryComponent, executive_summary_component_class_init,
         executive_summary_component_init, PARENT_TYPE);


static void
executive_summary_component_construct (ExecutiveSummaryComponent *component,
                       GNOME_Evolution_Summary_Component corba_object)
{
    g_return_if_fail (component != NULL);
    g_return_if_fail (corba_object != CORBA_OBJECT_NIL);
    
    bonobo_object_construct (BONOBO_OBJECT (component), corba_object);
}


/*** Public API ***/
/**
 * executive_summary_component_new:
 *
 * Creates a BonoboObject that implements the Summary::Component interface.
 *
 * Returns: A pointer to a BonoboObject.
 */
BonoboObject *
executive_summary_component_new (void)
{
    ExecutiveSummaryComponent *component;
    POA_GNOME_Evolution_Summary_Component *servant;
    GNOME_Evolution_Summary_Component corba_object;
    
    servant = create_servant ();
    if (servant == NULL)
        return NULL;
    
    component = gtk_type_new (executive_summary_component_get_type ());
    corba_object = bonobo_object_activate_servant (BONOBO_OBJECT (component),
                               servant);
    
    executive_summary_component_construct (component, corba_object);
    
    return BONOBO_OBJECT (component);
}


/**** ComponentFactory implementation ****/

static POA_GNOME_Evolution_Summary_ComponentFactory *
create_factory_servant (void)
{
    POA_GNOME_Evolution_Summary_ComponentFactory *servant;
    CORBA_Environment ev;
    
    servant = (POA_GNOME_Evolution_Summary_ComponentFactory *)g_new0 (BonoboObjectServant, 1);
    servant->vepv = &ComponentFactory_vepv;
    
    CORBA_exception_init (&ev);
    POA_GNOME_Evolution_Summary_ComponentFactory__init ((PortableServer_Servant) servant, &ev);
    if (ev._major != CORBA_NO_EXCEPTION) {
        g_free (servant);
        CORBA_exception_free (&ev);
        return NULL;
    }
    
    CORBA_exception_free (&ev);
    
    return servant;
}

static GNOME_Evolution_Summary_Component
impl_GNOME_Evolution_Summary_ComponentFactory_createView (PortableServer_Servant servant,
                              CORBA_Environment *ev)
{
    BonoboObject *bonobo_object;
    BonoboObject *view;
    ExecutiveSummaryComponentFactory *factory;
    ExecutiveSummaryComponentFactoryPrivate *priv;
    GNOME_Evolution_Summary_Component component, component_dup;
    CORBA_Environment ev2;

    bonobo_object = bonobo_object_from_servant (servant);
    factory = EXECUTIVE_SUMMARY_COMPONENT_FACTORY (bonobo_object);
    priv = factory->private;

    view = (* priv->create_view) (factory, priv->closure);
    g_return_val_if_fail (view != NULL, CORBA_OBJECT_NIL);

    component = bonobo_object_corba_objref (BONOBO_OBJECT (view));
    CORBA_exception_init (&ev2);
    component_dup = CORBA_Object_duplicate (component, &ev2);
    CORBA_exception_free (&ev2);

    return component_dup;
}

static void
corba_factory_init (void)
{
    POA_GNOME_Evolution_Summary_ComponentFactory__vepv *vepv;
    POA_GNOME_Evolution_Summary_ComponentFactory__epv *epv;
    PortableServer_ServantBase__epv *base_epv;
    
    base_epv = g_new0 (PortableServer_ServantBase__epv, 1);
    base_epv->_private = NULL;
    base_epv->finalize = NULL;
    base_epv->default_POA = NULL;
    
    epv = g_new0 (POA_GNOME_Evolution_Summary_ComponentFactory__epv, 1);
    epv->createView = impl_GNOME_Evolution_Summary_ComponentFactory_createView;

    vepv = &ComponentFactory_vepv;
    vepv->_base_epv = base_epv;
    vepv->Bonobo_Unknown_epv = bonobo_object_get_epv ();
    vepv->GNOME_Evolution_Summary_ComponentFactory_epv = epv;
}

/* GtkObject methods */
static void
executive_summary_component_factory_destroy (GtkObject *object)
{
    ExecutiveSummaryComponentFactory *factory;
    ExecutiveSummaryComponentFactoryPrivate *priv;

    factory = EXECUTIVE_SUMMARY_COMPONENT_FACTORY (object);
    priv = factory->private;

    if (priv == NULL)
        return;

    g_free (priv);
    factory->private = NULL;

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

static void
executive_summary_component_factory_class_init (ExecutiveSummaryComponentFactoryClass *klass)
{
    GtkObjectClass *object_class;

    object_class = GTK_OBJECT_CLASS (klass);
    object_class->destroy = executive_summary_component_factory_destroy;

    factory_parent_class = gtk_type_class (FACTORY_PARENT_TYPE);
    corba_factory_init ();
}

static void
executive_summary_component_factory_init (ExecutiveSummaryComponentFactory *factory)
{
    ExecutiveSummaryComponentFactoryPrivate *priv;

    priv = g_new (ExecutiveSummaryComponentFactoryPrivate, 1);

    priv->create_view = NULL;
    priv->closure = NULL;
    factory->private = priv;
}

E_MAKE_TYPE (executive_summary_component_factory, 
         "ExecutiveSummaryComponentFactory",
         ExecutiveSummaryComponentFactory,
         executive_summary_component_factory_class_init,
         executive_summary_component_factory_init, FACTORY_PARENT_TYPE);

static void
executive_summary_component_factory_construct (ExecutiveSummaryComponentFactory *factory,
                           GNOME_Evolution_Summary_ComponentFactory corba_object,
                           EvolutionServicesCreateViewFn create_view,
                           void *closure)
{
    ExecutiveSummaryComponentFactoryPrivate *priv;

    g_return_if_fail (factory != NULL);
    g_return_if_fail (corba_object != CORBA_OBJECT_NIL);

    bonobo_object_construct (BONOBO_OBJECT (factory), corba_object);
    priv = factory->private;

    priv->create_view = create_view;
    priv->closure = closure;
}


/*** Public API ***/
/**
 * executive_summary_component_factory_new:
 * @create_view: A pointer to the function to create a new view.
 * @closure: The data to be passed to the @create_view function when it is 
 * called.
 *
 * Creates a BonoboObject that implements the Summary::ComponentFactory
 * interface.
 *
 * Returns: A pointer to a BonoboObject.
 */
BonoboObject *
executive_summary_component_factory_new (EvolutionServicesCreateViewFn create_view,
                     void *closure)
{
    ExecutiveSummaryComponentFactory *factory;
    POA_GNOME_Evolution_Summary_ComponentFactory *servant;
    GNOME_Evolution_Summary_ComponentFactory corba_object;

    servant = create_factory_servant ();
    if (servant == NULL)
        return NULL;

    factory = gtk_type_new (executive_summary_component_factory_get_type ());
    corba_object = bonobo_object_activate_servant (BONOBO_OBJECT (factory),
                               servant);
    executive_summary_component_factory_construct (factory, corba_object,
                               create_view, closure);
    return BONOBO_OBJECT (factory);
}