path: root/shell/evolution-shell-component-dnd.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* evolution-shell-component-dnd.c
 *
 * Copyright (C) 2000, 2001 Ximian, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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: Chris Toshok
 */

#include "Evolution.h"
#include "evolution-shell-component-dnd.h"

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

#include <gtk/gtkobject.h>

#define PARENT_TYPE (bonobo_object_get_type ())

static BonoboObjectClass *parent_class;

/* Source Folder stuff */

struct _DndSourceFolderPrivate {
    DndSourceFolderBeginDragFn begin_drag;
    DndSourceFolderGetDataFn get_data;
    DndSourceFolderDeleteDataFn delete_data;
    DndSourceFolderEndDragFn end_drag;
    gpointer user_data;
};

/* GObject methods */
static void
dnd_source_finalize (GObject *object)
{
    EvolutionShellComponentDndSourceFolder *folder;
    DndSourceFolderPrivate *priv;

    folder = EVOLUTION_SHELL_COMPONENT_DND_SOURCE_FOLDER (object);
    priv = folder->priv;

    g_return_if_fail (priv != NULL);

    g_free (priv);
    
    (* G_OBJECT_CLASS (parent_class)->finalize) (object);
}

static void
impl_GNOME_Evolution_ShellComponentDnd_SourceFolder_beginDrag (PortableServer_Servant servant, const CORBA_char * physical_uri,
                                   const CORBA_char * folder_type, GNOME_Evolution_ShellComponentDnd_ActionSet * possible_actions,
                                   GNOME_Evolution_ShellComponentDnd_Action * suggested_action, CORBA_Environment * ev)
{
    BonoboObject *bonobo_object;
    EvolutionShellComponentDndSourceFolder *folder;
    DndSourceFolderPrivate *priv;

    bonobo_object = bonobo_object_from_servant (servant);
    folder = EVOLUTION_SHELL_COMPONENT_DND_SOURCE_FOLDER (bonobo_object);
    priv = folder->priv;

    priv->begin_drag (folder, physical_uri, folder_type, possible_actions, suggested_action, priv->user_data);
}

static void 
impl_GNOME_Evolution_ShellComponentDnd_SourceFolder_getData (PortableServer_Servant servant,
                                 const GNOME_Evolution_ShellComponentDnd_SourceFolder_Context * source_context,
                                 const GNOME_Evolution_ShellComponentDnd_Action action, const CORBA_char * dnd_type,
                                 GNOME_Evolution_ShellComponentDnd_Data ** data, CORBA_Environment * ev)
{
    BonoboObject *bonobo_object;
    EvolutionShellComponentDndSourceFolder *folder;
    DndSourceFolderPrivate *priv;

    bonobo_object = bonobo_object_from_servant (servant);
    folder = EVOLUTION_SHELL_COMPONENT_DND_SOURCE_FOLDER (bonobo_object);
    priv = folder->priv;

    priv->get_data (folder, source_context, action, dnd_type, data, ev, priv->user_data);
}

static void
impl_GNOME_Evolution_ShellComponentDnd_SourceFolder_deleteData (PortableServer_Servant servant,
                                const GNOME_Evolution_ShellComponentDnd_SourceFolder_Context * source_context,
                                CORBA_Environment * ev)
{
    BonoboObject *bonobo_object;
    EvolutionShellComponentDndSourceFolder *folder;
    DndSourceFolderPrivate *priv;

    bonobo_object = bonobo_object_from_servant (servant);
    folder = EVOLUTION_SHELL_COMPONENT_DND_SOURCE_FOLDER (bonobo_object);
    priv = folder->priv;

    priv->delete_data (folder, source_context, priv->user_data);
}

static void
impl_GNOME_Evolution_ShellComponentDnd_SourceFolder_endDrag (PortableServer_Servant servant,
                                 const GNOME_Evolution_ShellComponentDnd_SourceFolder_Context * source_context,
                                 CORBA_Environment * ev)
{
    BonoboObject *bonobo_object;
    EvolutionShellComponentDndSourceFolder *folder;
    DndSourceFolderPrivate *priv;

    bonobo_object = bonobo_object_from_servant (servant);
    folder = EVOLUTION_SHELL_COMPONENT_DND_SOURCE_FOLDER (bonobo_object);
    priv = folder->priv;

    priv->end_drag (folder, source_context, priv->user_data);
}

static void
evolution_shell_component_dnd_source_folder_class_init (EvolutionShellComponentDndSourceFolderClass *klass)
{
    GObjectClass *object_class;

    object_class = G_OBJECT_CLASS (klass);
    object_class->finalize = dnd_source_finalize;

    klass->epv.beginDrag  = impl_GNOME_Evolution_ShellComponentDnd_SourceFolder_beginDrag;
    klass->epv.getData    = impl_GNOME_Evolution_ShellComponentDnd_SourceFolder_getData;
    klass->epv.deleteData = impl_GNOME_Evolution_ShellComponentDnd_SourceFolder_deleteData;
    klass->epv.endDrag    = impl_GNOME_Evolution_ShellComponentDnd_SourceFolder_endDrag;

    parent_class = g_type_class_ref(PARENT_TYPE);
}

static void
evolution_shell_component_dnd_source_folder_init (EvolutionShellComponentDndSourceFolder *folder)
{
    DndSourceFolderPrivate *priv;

    priv = g_new (DndSourceFolderPrivate, 1);

    folder->priv = priv;
}

BONOBO_TYPE_FUNC_FULL (EvolutionShellComponentDndSourceFolder,
               GNOME_Evolution_ShellComponentDnd_SourceFolder,
               PARENT_TYPE,
               evolution_shell_component_dnd_source_folder)

EvolutionShellComponentDndSourceFolder*
evolution_shell_component_dnd_source_folder_new (DndSourceFolderBeginDragFn begin_drag,
                         DndSourceFolderGetDataFn get_data,
                         DndSourceFolderDeleteDataFn delete_data,
                         DndSourceFolderEndDragFn end_drag,
                         gpointer user_data)
{
    EvolutionShellComponentDndSourceFolder *dnd_source;

    g_return_val_if_fail (begin_drag != NULL, NULL);
    g_return_val_if_fail (get_data != NULL, NULL);
    g_return_val_if_fail (delete_data != NULL, NULL);
    g_return_val_if_fail (end_drag != NULL, NULL);

    dnd_source = g_object_new (evolution_shell_component_dnd_source_folder_get_type (), NULL);

    dnd_source->priv->begin_drag  = begin_drag;
    dnd_source->priv->get_data    = get_data;
    dnd_source->priv->delete_data = delete_data;
    dnd_source->priv->end_drag    = end_drag;
    dnd_source->priv->user_data   = user_data;

    return dnd_source;
}



/* Destination Folder stuff */

struct _DndDestinationFolderPrivate {
    DndDestinationFolderHandleMotionFn handle_motion;
    DndDestinationFolderHandleDropFn handle_drop;
    gpointer user_data;
};

/* GtkObject methods */
static void
dnd_destination_finalize (GObject *object)
{
    EvolutionShellComponentDndDestinationFolder *folder;
    DndDestinationFolderPrivate *priv;

    folder = EVOLUTION_SHELL_COMPONENT_DND_DESTINATION_FOLDER (object);
    priv = folder->priv;

    g_return_if_fail (priv != NULL);

    g_free (priv);
    
    (* G_OBJECT_CLASS (parent_class)->finalize) (object);
}

/* CORBA interface */
static CORBA_boolean
impl_GNOME_Evolution_ShellComponentDnd_DestinationFolder_handleMotion (PortableServer_Servant servant,
                                       const CORBA_char* physical_uri,
                                       const CORBA_char *folder_type,
                                       const GNOME_Evolution_ShellComponentDnd_DestinationFolder_Context * destination_context,
                                       GNOME_Evolution_ShellComponentDnd_Action * suggested_action, CORBA_Environment * ev)
{
    BonoboObject *bonobo_object;
    EvolutionShellComponentDndDestinationFolder *folder;
    DndDestinationFolderPrivate *priv;

    bonobo_object = bonobo_object_from_servant (servant);
    folder = EVOLUTION_SHELL_COMPONENT_DND_DESTINATION_FOLDER (bonobo_object);
    priv = folder->priv;

    return priv->handle_motion (folder, physical_uri, folder_type, destination_context, suggested_action, priv->user_data);
}

static CORBA_boolean 
impl_GNOME_Evolution_ShellComponentDnd_DestinationFolder_handleDrop (PortableServer_Servant servant,
                                     const CORBA_char *physical_uri,
                                     const CORBA_char *folder_type,
                                     const GNOME_Evolution_ShellComponentDnd_DestinationFolder_Context * destination_context,
                                     const GNOME_Evolution_ShellComponentDnd_Action action,
                                     const GNOME_Evolution_ShellComponentDnd_Data * data, CORBA_Environment * ev)
{
    BonoboObject *bonobo_object;
    EvolutionShellComponentDndDestinationFolder *folder;
    DndDestinationFolderPrivate *priv;

    bonobo_object = bonobo_object_from_servant (servant);
    folder = EVOLUTION_SHELL_COMPONENT_DND_DESTINATION_FOLDER (bonobo_object);
    priv = folder->priv;

    return priv->handle_drop (folder, physical_uri, folder_type, destination_context, action, data, priv->user_data);
}

static void
evolution_shell_component_dnd_destination_folder_class_init (EvolutionShellComponentDndDestinationFolderClass *klass)
{
    GObjectClass *object_class;

    object_class = G_OBJECT_CLASS (klass);
    object_class->finalize = dnd_destination_finalize;

    klass->epv.handleMotion = impl_GNOME_Evolution_ShellComponentDnd_DestinationFolder_handleMotion;
    klass->epv.handleDrop = impl_GNOME_Evolution_ShellComponentDnd_DestinationFolder_handleDrop;

    parent_class = g_type_class_ref(PARENT_TYPE);
}

static void
evolution_shell_component_dnd_destination_folder_init (EvolutionShellComponentDndDestinationFolder *folder)
{
    DndDestinationFolderPrivate *priv;

    priv = g_new (DndDestinationFolderPrivate, 1);

    folder->priv = priv;
}

BONOBO_TYPE_FUNC_FULL (EvolutionShellComponentDndDestinationFolder,
               GNOME_Evolution_ShellComponentDnd_DestinationFolder,
               PARENT_TYPE,
               evolution_shell_component_dnd_destination_folder)

EvolutionShellComponentDndDestinationFolder *
evolution_shell_component_dnd_destination_folder_new (DndDestinationFolderHandleMotionFn handle_motion,
                              DndDestinationFolderHandleDropFn handle_drop,
                              gpointer user_data)
{
    EvolutionShellComponentDndDestinationFolder *dnd_destination;

    g_return_val_if_fail (handle_motion != NULL, NULL);
    g_return_val_if_fail (handle_drop != NULL, NULL);

    dnd_destination = g_object_new (evolution_shell_component_dnd_destination_folder_get_type (), NULL);

    dnd_destination->priv->handle_motion = handle_motion;
    dnd_destination->priv->handle_drop   = handle_drop;
    dnd_destination->priv->user_data     = user_data;

    return dnd_destination;
}