path: root/addressbook/gui/component/addressbook-component.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* addressbook-component.c
 *
 * Copyright (C) 2000  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: Ettore Perazzoli
 */

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

#include <libgnomevfs/gnome-vfs-types.h>
#include <libgnomevfs/gnome-vfs-uri.h>
#include <libgnomevfs/gnome-vfs-ops.h>
#include <libgnomevfs/gnome-vfs-directory.h>
#include <libgnomevfs/gnome-vfs-file-info.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>

#include <bonobo/bonobo-generic-factory.h>

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

#include "ebook/e-book.h"
#include "ebook/e-card.h"
#include "ebook/e-book-util.h"

#include "addressbook-storage.h"
#include "addressbook-component.h"
#include "addressbook.h"
#include "addressbook/gui/merging/e-card-merging.h"
#include "addressbook/gui/widgets/e-addressbook-util.h"



#define GNOME_EVOLUTION_ADDRESSBOOK_COMPONENT_ID "OAFIID:GNOME_Evolution_Addressbook_ShellComponent"

EvolutionShellClient *global_shell_client = NULL;

EvolutionShellClient *
addressbook_component_get_shell_client  (void)
{
    return global_shell_client;
}

static char *accepted_dnd_types[] = {
    "text/x-vcard",
    NULL
};

static const EvolutionShellComponentFolderType folder_types[] = {
    { "contacts", "evolution-contacts.png", N_("Contacts"), N_("Folder containing contact information"),
      TRUE, accepted_dnd_types, NULL },
    { "ldap-contacts", "ldap.png", N_("LDAP Server"), N_("LDAP server containing contact information"),
      FALSE, accepted_dnd_types, NULL },
    { NULL }
};

#define IS_CONTACT_TYPE(x)  (g_strcasecmp((x), "contacts") == 0 || g_strcasecmp ((x), "ldap-contacts") == 0)

/* EvolutionShellComponent methods and signals.  */

static EvolutionShellComponentResult
create_view (EvolutionShellComponent *shell_component,
         const char *physical_uri,
         const char *type,
         BonoboControl **control_return,
         void *closure)
{
    BonoboControl *control;

    if (!IS_CONTACT_TYPE (type))
        return EVOLUTION_SHELL_COMPONENT_UNSUPPORTEDTYPE;

    control = addressbook_factory_new_control ();
    bonobo_control_set_property (control, "folder_uri", physical_uri, NULL);

    *control_return = control;

    return EVOLUTION_SHELL_COMPONENT_OK;
}

static void
create_folder (EvolutionShellComponent *shell_component,
           const char *physical_uri,
           const char *type,
           const GNOME_Evolution_ShellComponentListener listener,
           void *closure)
{
    CORBA_Environment ev;
    GNOME_Evolution_ShellComponentListener_Result result;

    if (!IS_CONTACT_TYPE (type))
        result = GNOME_Evolution_ShellComponentListener_UNSUPPORTED_TYPE;
    else 
        result = GNOME_Evolution_ShellComponentListener_OK;

    CORBA_exception_init(&ev);
    GNOME_Evolution_ShellComponentListener_notifyResult(listener, result, &ev);
    CORBA_exception_free(&ev);
}

static void
remove_folder (EvolutionShellComponent *shell_component,
           const char *physical_uri,
           const char *type,
           const GNOME_Evolution_ShellComponentListener listener,
           void *closure)
{
    CORBA_Environment ev;
    char *addressbook_db_path, *subdir_path;
    struct stat sb;
    int rv;

    CORBA_exception_init(&ev);

    if (!IS_CONTACT_TYPE (type)) {
        GNOME_Evolution_ShellComponentListener_notifyResult (listener,
                                     GNOME_Evolution_ShellComponentListener_UNSUPPORTED_TYPE,
                                     &ev);
        CORBA_exception_free(&ev);
        return;
    }

    if (!strncmp (physical_uri, "ldap://", 7)) {
        GNOME_Evolution_ShellComponentListener_notifyResult (listener,
                                     GNOME_Evolution_ShellComponentListener_UNSUPPORTED_OPERATION,
                                     &ev);
        CORBA_exception_free(&ev);
        return;
    }
    if (strncmp (physical_uri, "file://", 7)) {
        GNOME_Evolution_ShellComponentListener_notifyResult (listener,
                                     GNOME_Evolution_ShellComponentListener_INVALID_URI,
                                     &ev);
        CORBA_exception_free(&ev);
        return;
    }

    subdir_path = g_concat_dir_and_file (physical_uri + 7, "subfolders");
    rv = stat (subdir_path, &sb);
    g_free (subdir_path);
    if (rv != -1) {
        GNOME_Evolution_ShellComponentListener_notifyResult (listener,
                                     GNOME_Evolution_ShellComponentListener_HAS_SUBFOLDERS,
                                     &ev);
        CORBA_exception_free(&ev);
        return;
    }

    addressbook_db_path = g_concat_dir_and_file (physical_uri + 7, "addressbook.db");
    rv = unlink (addressbook_db_path);
    g_free (addressbook_db_path);
    if (rv == 0) {
        GNOME_Evolution_ShellComponentListener_notifyResult (listener,
                                     GNOME_Evolution_ShellComponentListener_OK,
                                     &ev);
    }
    else {
        if (errno == EACCES || errno == EPERM)
            GNOME_Evolution_ShellComponentListener_notifyResult (listener,
                                 GNOME_Evolution_ShellComponentListener_PERMISSION_DENIED,
                                 &ev);
        else
            GNOME_Evolution_ShellComponentListener_notifyResult (listener,
                                 GNOME_Evolution_ShellComponentListener_INVALID_URI, /*XXX*/
                                 &ev);
    }
    CORBA_exception_free(&ev);
}

/* ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** */

/* This code is cut & pasted from calendar/gui/component-factory.c */

static GNOME_Evolution_ShellComponentListener_Result
xfer_file (GnomeVFSURI *base_src_uri,
       GnomeVFSURI *base_dest_uri,
       const char *file_name,
       int remove_source)
{
    GnomeVFSURI *src_uri, *dest_uri;
    GnomeVFSHandle *hin, *hout;
    GnomeVFSResult result;
    GnomeVFSFileInfo file_info;
    GnomeVFSFileSize size;
    char *buffer;
    
    src_uri = gnome_vfs_uri_append_file_name (base_src_uri, file_name);

    result = gnome_vfs_open_uri (&hin, src_uri, GNOME_VFS_OPEN_READ);
    if (result == GNOME_VFS_ERROR_NOT_FOUND) {
        gnome_vfs_uri_unref (src_uri);
        return GNOME_Evolution_ShellComponentListener_OK; /* No need to xfer anything.  */
    }
    if (result != GNOME_VFS_OK) {
        gnome_vfs_uri_unref (src_uri);
        return GNOME_Evolution_ShellComponentListener_PERMISSION_DENIED;
    }

    result = gnome_vfs_get_file_info_uri (src_uri, &file_info, GNOME_VFS_FILE_INFO_DEFAULT);
    if (result != GNOME_VFS_OK) {
        gnome_vfs_uri_unref (src_uri);
        return GNOME_Evolution_ShellComponentListener_PERMISSION_DENIED;
    }

    dest_uri = gnome_vfs_uri_append_file_name (base_dest_uri, file_name);

    result = gnome_vfs_create_uri (&hout, dest_uri, GNOME_VFS_OPEN_WRITE, FALSE, 0600);
    if (result != GNOME_VFS_OK) {
        gnome_vfs_close (hin);
        gnome_vfs_uri_unref (src_uri);
        gnome_vfs_uri_unref (dest_uri);
        return GNOME_Evolution_ShellComponentListener_PERMISSION_DENIED;
    }

    /* write source file to destination file */
    buffer = g_malloc (file_info.size);
    result = gnome_vfs_read (hin, buffer, file_info.size, &size);
    if (result != GNOME_VFS_OK) {
        gnome_vfs_close (hin);
        gnome_vfs_close (hout);
        gnome_vfs_uri_unref (src_uri);
        gnome_vfs_uri_unref (dest_uri);
        g_free (buffer);
        return GNOME_Evolution_ShellComponentListener_PERMISSION_DENIED;
    }

    result = gnome_vfs_write (hout, buffer, file_info.size, &size);
    if (result != GNOME_VFS_OK) {
        gnome_vfs_close (hin);
        gnome_vfs_close (hout);
        gnome_vfs_uri_unref (src_uri);
        gnome_vfs_uri_unref (dest_uri);
        g_free (buffer);
        return GNOME_Evolution_ShellComponentListener_PERMISSION_DENIED;
    }

    if (remove_source) {
        char *text_uri;

        /* Sigh, we have to do this as there is no gnome_vfs_unlink_uri(). :-(  */

        text_uri = gnome_vfs_uri_to_string (src_uri, GNOME_VFS_URI_HIDE_NONE);
        result = gnome_vfs_unlink (text_uri);
        g_free (text_uri);
    }

    gnome_vfs_close (hin);
    gnome_vfs_close (hout);
    gnome_vfs_uri_unref (src_uri);
    gnome_vfs_uri_unref (dest_uri);
    g_free (buffer);

    return GNOME_Evolution_ShellComponentListener_OK;
}

static void
xfer_folder (EvolutionShellComponent *shell_component,
         const char *source_physical_uri,
         const char *destination_physical_uri,
         const char *type,
         gboolean remove_source,
         const GNOME_Evolution_ShellComponentListener listener,
         void *closure)
{
    CORBA_Environment ev;

    GnomeVFSURI *src_uri;
    GnomeVFSURI *dest_uri;
    GnomeVFSResult result;

    CORBA_exception_init (&ev);
    
    if (!IS_CONTACT_TYPE (type)) {
        GNOME_Evolution_ShellComponentListener_notifyResult (listener,
                                     GNOME_Evolution_ShellComponentListener_UNSUPPORTED_TYPE,
                                     &ev);
        CORBA_exception_free(&ev);
        return;
    }

    if (!strncmp (source_physical_uri, "ldap://", 7)
        || !strncmp (destination_physical_uri, "ldap://", 7)) {
        GNOME_Evolution_ShellComponentListener_notifyResult (listener,
                                 GNOME_Evolution_ShellComponentListener_UNSUPPORTED_OPERATION,
                                 &ev);
        CORBA_exception_free(&ev);
        return;
    }

    if (strncmp (source_physical_uri, "file://", 7)
        || strncmp (destination_physical_uri, "file://", 7)) {
        GNOME_Evolution_ShellComponentListener_notifyResult (listener,
                                 GNOME_Evolution_ShellComponentListener_INVALID_URI,
                                 &ev);
        CORBA_exception_free(&ev);
        return;
    }

    /* check URIs */
    src_uri = gnome_vfs_uri_new (source_physical_uri);
    dest_uri = gnome_vfs_uri_new (destination_physical_uri);
    if (!src_uri || ! dest_uri) {
        GNOME_Evolution_ShellComponentListener_notifyResult (
            listener,
            GNOME_Evolution_ShellComponentListener_INVALID_URI,
            &ev);
        gnome_vfs_uri_unref (src_uri);
        gnome_vfs_uri_unref (dest_uri);
        CORBA_exception_free (&ev);
        return;
    }

    result = xfer_file (src_uri, dest_uri, "addressbook.db", remove_source);
    
    GNOME_Evolution_ShellComponentListener_notifyResult (listener, result, &ev);

    gnome_vfs_uri_unref (src_uri);
    gnome_vfs_uri_unref (dest_uri);

        CORBA_exception_free (&ev); 
}

static char*
get_dnd_selection (EvolutionShellComponent *shell_component,
           const char *physical_uri,
           int type,
           int *format_return,
           const char **selection_return,
           int *selection_length_return,
           void *closure)
{
    /* g_print ("should get dnd selection for %s\n", physical_uri); */
    return NULL;
}

static int owner_count = 0;

static void
owner_set_cb (EvolutionShellComponent *shell_component,
          EvolutionShellClient *shell_client,
          const char *evolution_homedir,
          gpointer user_data)
{
    owner_count ++;

    if (global_shell_client == NULL)
        global_shell_client = shell_client;

    addressbook_storage_setup (shell_component, evolution_homedir);
}

static gboolean
gtk_main_quit_cb (gpointer closure)
{
    gtk_main_quit ();
    return TRUE;
}

static void
owner_unset_cb (EvolutionShellComponent *shell_component,
        GNOME_Evolution_Shell shell_interface,
        gpointer user_data)
{
    owner_count --;
    if (owner_count == 0) {
        g_idle_add (gtk_main_quit_cb, NULL);
    }
}

/* FIXME We should perhaps take the time to figure out if the book is editable. */
static void
local_addressbook_cb (EBook *book, gpointer closure)
{
    gboolean is_list = GPOINTER_TO_INT (closure);
    if (book == NULL)
        return;
    if (is_list)
        e_addressbook_show_contact_list_editor (book, e_card_new(""), TRUE, TRUE);
    else
        e_addressbook_show_contact_editor (book, e_card_new(""), TRUE, TRUE);
}

static void
nonlocal_addressbook_cb (EBook *book, EBookStatus status, gpointer closure)
{
    if (status == E_BOOK_STATUS_SUCCESS)
        local_addressbook_cb (book, closure);
    else
        local_addressbook_cb (NULL, closure);
}

static void
user_create_new_item_cb (EvolutionShellComponent *shell_component,
             const char *id,
             const char *parent_folder_physical_uri,
             const char *parent_folder_type,
             gpointer data)
{
    gboolean is_contact_list;
    if (!strcmp (id, "contact")) {
        is_contact_list = FALSE;
    } else if (!strcmp (id, "contact_list")) {
        is_contact_list = TRUE;
    } else {
        g_warning ("Don't know how to create item of type \"%s\"", id);
        return;
    }
    if (IS_CONTACT_TYPE (parent_folder_type)) {
        EBook *book;
        gchar *uri;

        book = e_book_new ();
        uri = g_strdup_printf ("%s/addressbook.db", parent_folder_physical_uri);

        if (addressbook_load_uri (book, uri, nonlocal_addressbook_cb, GINT_TO_POINTER (is_contact_list)) == 0)
            g_warning ("Couldn't load addressbook %s", uri);

        g_free (uri);
    } else {
        e_book_use_local_address_book (local_addressbook_cb, GINT_TO_POINTER (is_contact_list));
    }
}


/* Destination side DnD */

static CORBA_boolean
destination_folder_handle_motion (EvolutionShellComponentDndDestinationFolder *folder,
                  const char *physical_uri,
                  const char *folder_type,
                  const GNOME_Evolution_ShellComponentDnd_DestinationFolder_Context * destination_context,
                  GNOME_Evolution_ShellComponentDnd_Action * suggested_action_return,
                  gpointer user_data)
{
    *suggested_action_return = GNOME_Evolution_ShellComponentDnd_ACTION_MOVE;
    return TRUE;
}

static void
dnd_drop_book_open_cb (EBook *book, EBookStatus status, GList *card_list)
{
    GList *l;

    for (l = card_list; l; l = l->next) {
        ECard *card = l->data;

        e_card_merging_book_add_card (book, card, NULL /* XXX */, NULL);
    }
}

static CORBA_boolean
destination_folder_handle_drop (EvolutionShellComponentDndDestinationFolder *folder,
                const char *physical_uri,
                const char *folder_type,
                const GNOME_Evolution_ShellComponentDnd_DestinationFolder_Context * destination_context,
                const GNOME_Evolution_ShellComponentDnd_Action action,
                const GNOME_Evolution_ShellComponentDnd_Data * data,
                gpointer user_data)
{
    EBook *book;
    GList *card_list;
    char *expanded_uri;

    if (action == GNOME_Evolution_ShellComponentDnd_ACTION_LINK)
        return FALSE; /* we can't create links in our addressbook format */

    /* g_print ("in destination_folder_handle_drop (%s)\n", physical_uri); */

    card_list = e_card_load_cards_from_string_with_default_charset (data->bytes._buffer, "ISO-8859-1");

    expanded_uri = addressbook_expand_uri (physical_uri);

    book = e_book_new ();
    addressbook_load_uri (book, expanded_uri,
                  (EBookCallback)dnd_drop_book_open_cb, card_list);

    g_free (expanded_uri);

    return TRUE;
}


/* The factory function.  */

static BonoboObject *
create_component (void)
{
    EvolutionShellComponent *shell_component;
    EvolutionShellComponentDndDestinationFolder *destination_interface;

    shell_component = evolution_shell_component_new (folder_types, NULL,
                             create_view, create_folder,
                             remove_folder, xfer_folder,
                             NULL,
                             get_dnd_selection,
                             NULL);

    destination_interface = evolution_shell_component_dnd_destination_folder_new (destination_folder_handle_motion,
                                              destination_folder_handle_drop,
                                              shell_component);

    bonobo_object_add_interface (BONOBO_OBJECT (shell_component),
                     BONOBO_OBJECT (destination_interface));

    evolution_shell_component_add_user_creatable_item (shell_component, "contact",
                               _("New Contact"), _("New _Contact"), 'c',
                               NULL);
    evolution_shell_component_add_user_creatable_item (shell_component, "contact_list",
                               _("New Contact List"), _("New Contact _List"), 'l',
                               NULL);

    gtk_signal_connect (GTK_OBJECT (shell_component), "owner_set",
                GTK_SIGNAL_FUNC (owner_set_cb), NULL);
    gtk_signal_connect (GTK_OBJECT (shell_component), "owner_unset",
                GTK_SIGNAL_FUNC (owner_unset_cb), NULL);
    gtk_signal_connect (GTK_OBJECT (shell_component), "user_create_new_item",
                GTK_SIGNAL_FUNC (user_create_new_item_cb), NULL);

    return BONOBO_OBJECT (shell_component);
}


/* FIXME this should probably be renamed as we don't use factories anymore.  */
void
addressbook_component_factory_init (void)
{
    BonoboObject *object;
    int result;

    object = create_component ();

    /* FIXME: Handle errors better?  */

    result = oaf_active_server_register (GNOME_EVOLUTION_ADDRESSBOOK_COMPONENT_ID,
                         bonobo_object_corba_objref (object));
    if (result == OAF_REG_ERROR)
        g_error ("Cannot register -- %s", GNOME_EVOLUTION_ADDRESSBOOK_COMPONENT_ID);
}