path: root/modules/vcard-inline/e-mail-parser-vcard-inline.c

/*
 * e-mail-parser-vcard-inline.c
 *
 * This program 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 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 */

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

#include <string.h>
#include <gtk/gtk.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>

#include "e-mail-parser-vcard-inline.h"
#include "e-mail-part-vcard-inline.h"

#include <camel/camel.h>

#include <em-format/e-mail-extension-registry.h>
#include <em-format/e-mail-parser-extension.h>
#include <em-format/e-mail-part.h>
#include <em-format/e-mail-part-utils.h>
#include <em-format/e-mail-formatter-utils.h>

#include <libebook/libebook.h>
#include <libedataserver/libedataserver.h>

#include <shell/e-shell.h>
#include <addressbook/gui/merging/eab-contact-merging.h>
#include <addressbook/util/eab-book-util.h>

#include <libebackend/libebackend.h>

#define d(x)

typedef EMailParserExtension EMailParserVCardInline;
typedef EMailParserExtensionClass EMailParserVCardInlineClass;

typedef EExtension EMailParserVCardInlineLoader;
typedef EExtensionClass EMailParserVCardInlineLoaderClass;

GType e_mail_parser_vcard_inline_get_type (void);
GType e_mail_parser_vcard_inline_loader_get_type (void);

G_DEFINE_DYNAMIC_TYPE (
    EMailParserVCardInline,
    e_mail_parser_vcard_inline,
    E_TYPE_MAIL_PARSER_EXTENSION)

G_DEFINE_DYNAMIC_TYPE (
    EMailParserVCardInlineLoader,
    e_mail_parser_vcard_inline_loader,
    E_TYPE_EXTENSION)

static const gchar *parser_mime_types[] = {
    "text/vcard",
    "text/x-vcard",
    "text/directory",
    NULL
};

static void
mail_part_vcard_inline_free (EMailPart *mail_part)
{
    EMailPartVCardInline *vi_part = (EMailPartVCardInline *) mail_part;

    g_clear_object (&vi_part->contact_display);
    g_clear_object (&vi_part->message_label);
    g_clear_object (&vi_part->formatter);
    g_clear_object (&vi_part->iframe);
    g_clear_object (&vi_part->save_button);
    g_clear_object (&vi_part->toggle_button);
    g_clear_object (&vi_part->folder);

    if (vi_part->message_uid) {
        g_free (vi_part->message_uid);
        vi_part->message_uid = NULL;
    }
}

static void
client_connect_cb (GObject *source_object,
                   GAsyncResult *result,
                   gpointer user_data)
{
    GSList *contact_list = user_data;
    EShell *shell;
    EClient *client;
    EBookClient *book_client;
    ESourceRegistry *registry;
    GSList *iter;
    GError *error = NULL;

    client = e_book_client_connect_finish (result, &error);

    /* Sanity check. */
    g_return_if_fail (
        ((client != NULL) && (error == NULL)) ||
        ((client == NULL) && (error != NULL)));

    if (error != NULL) {
        g_warning ("%s: %s", G_STRFUNC, error->message);
        g_error_free (error);
        goto exit;
    }

    book_client = E_BOOK_CLIENT (client);

    shell = e_shell_get_default ();
    registry = e_shell_get_registry (shell);

    for (iter = contact_list; iter != NULL; iter = iter->next) {
        EContact *contact;

        contact = E_CONTACT (iter->data);
        eab_merging_book_add_contact (
            registry, book_client, contact, NULL, NULL);
    }

    g_object_unref (client);

 exit:
    g_slist_free_full (contact_list, (GDestroyNotify) g_object_unref);
}

static void
save_vcard_cb (WebKitDOMEventTarget *button,
               WebKitDOMEvent *event,
               EMailPartVCardInline *vcard_part)
{
    EShell *shell;
    ESource *source;
    ESourceRegistry *registry;
    ESourceSelector *selector;
    GSList *contact_list;
    const gchar *extension_name;
    GtkWidget *dialog;

    shell = e_shell_get_default ();
    registry = e_shell_get_registry (shell);
    extension_name = E_SOURCE_EXTENSION_ADDRESS_BOOK;

    dialog = e_source_selector_dialog_new (NULL, registry, extension_name);

    selector = e_source_selector_dialog_get_selector (
        E_SOURCE_SELECTOR_DIALOG (dialog));

    source = e_source_registry_ref_default_address_book (registry);
    e_source_selector_set_primary_selection (selector, source);
    g_object_unref (source);

    if (gtk_dialog_run (GTK_DIALOG (dialog)) != GTK_RESPONSE_OK) {
        gtk_widget_destroy (dialog);
        return;
    }

    source = e_source_selector_dialog_peek_primary_selection (
        E_SOURCE_SELECTOR_DIALOG (dialog));

    gtk_widget_destroy (dialog);

    g_return_if_fail (source != NULL);

    contact_list = g_slist_copy_deep (
        vcard_part->contact_list,
        (GCopyFunc) g_object_ref, NULL);

    e_book_client_connect (
        source, NULL, client_connect_cb, contact_list);
}

static void
display_mode_toggle_cb (WebKitDOMEventTarget *button,
                        WebKitDOMEvent *event,
                        EMailPartVCardInline *vcard_part)
{
    EABContactDisplayMode mode;
    gchar *uri;
    gchar *html_label, *access_key;

    mode = eab_contact_formatter_get_display_mode (vcard_part->formatter);
    if (mode == EAB_CONTACT_DISPLAY_RENDER_NORMAL) {
        mode = EAB_CONTACT_DISPLAY_RENDER_COMPACT;

        html_label = e_mail_formatter_parse_html_mnemonics (
                _("Show F_ull vCard"), &access_key);

        webkit_dom_html_element_set_inner_html (
            WEBKIT_DOM_HTML_ELEMENT (button),
            html_label, NULL);
        if (access_key) {
            webkit_dom_html_element_set_access_key (
                WEBKIT_DOM_HTML_ELEMENT (button),
                access_key);
            g_free (access_key);
        }

        g_free (html_label);

    } else {
        mode = EAB_CONTACT_DISPLAY_RENDER_NORMAL;

        html_label = e_mail_formatter_parse_html_mnemonics (
                _("Show Com_pact vCard"), &access_key);

        webkit_dom_html_element_set_inner_html (
            WEBKIT_DOM_HTML_ELEMENT (button),
            html_label, NULL);
        if (access_key) {
            webkit_dom_html_element_set_access_key (
                WEBKIT_DOM_HTML_ELEMENT (button),
                access_key);
            g_free (access_key);
        }

        g_free (html_label);
    }

    eab_contact_formatter_set_display_mode (vcard_part->formatter, mode);

    uri = e_mail_part_build_uri (
        vcard_part->folder, vcard_part->message_uid,
        "part_id", G_TYPE_STRING, vcard_part->parent.id,
        "mode", G_TYPE_INT, E_MAIL_FORMATTER_MODE_RAW, NULL);

    webkit_dom_html_iframe_element_set_src (
        WEBKIT_DOM_HTML_IFRAME_ELEMENT (vcard_part->iframe), uri);

    g_free (uri);
}

static void
bind_dom (EMailPartVCardInline *vcard_part,
          WebKitDOMElement *attachment)
{
    WebKitDOMNodeList *list;
    WebKitDOMElement *iframe, *toggle_button, *save_button;

        /* IFRAME */
    list = webkit_dom_element_get_elements_by_tag_name (attachment, "iframe");
    if (webkit_dom_node_list_get_length (list) != 1)
        return;
    iframe = WEBKIT_DOM_ELEMENT (webkit_dom_node_list_item (list, 0));
    if (vcard_part->iframe)
        g_object_unref (vcard_part->iframe);
    vcard_part->iframe = g_object_ref (iframe);

    /* TOGGLE DISPLAY MODE BUTTON */
    list = webkit_dom_element_get_elements_by_class_name (
        attachment, "org-gnome-vcard-inline-display-mode-button");
    if (webkit_dom_node_list_get_length (list) != 1)
        return;
    toggle_button = WEBKIT_DOM_ELEMENT (webkit_dom_node_list_item (list, 0));
    if (vcard_part->toggle_button)
        g_object_unref (vcard_part->toggle_button);
    vcard_part->toggle_button = g_object_ref (toggle_button);

    /* SAVE TO ADDRESSBOOK BUTTON */
    list = webkit_dom_element_get_elements_by_class_name (
        attachment, "org-gnome-vcard-inline-save-button");
    if (webkit_dom_node_list_get_length (list) != 1)
        return;
    save_button = WEBKIT_DOM_ELEMENT (webkit_dom_node_list_item (list, 0));
    if (vcard_part->save_button)
        g_object_unref (vcard_part->save_button);
    vcard_part->save_button = g_object_ref (save_button);

    webkit_dom_event_target_add_event_listener (
        WEBKIT_DOM_EVENT_TARGET (toggle_button),
        "click", G_CALLBACK (display_mode_toggle_cb),
        FALSE, vcard_part);

    webkit_dom_event_target_add_event_listener (
        WEBKIT_DOM_EVENT_TARGET (save_button),
        "click", G_CALLBACK (save_vcard_cb),
        FALSE, vcard_part);

    /* Bind collapse buttons for contact lists. */
    eab_contact_formatter_bind_dom (
        webkit_dom_html_iframe_element_get_content_document (
            WEBKIT_DOM_HTML_IFRAME_ELEMENT (iframe)));
}

static void
decode_vcard (EMailPartVCardInline *vcard_part,
              CamelMimePart *mime_part)
{
    CamelDataWrapper *data_wrapper;
    CamelMedium *medium;
    CamelStream *stream;
    GSList *contact_list;
    GByteArray *array;
    const gchar *string;
    const guint8 padding[2] = {0};

    array = g_byte_array_new ();
    medium = CAMEL_MEDIUM (mime_part);

    /* Stream takes ownership of the byte array. */
    stream = camel_stream_mem_new_with_byte_array (array);
    data_wrapper = camel_medium_get_content (medium);
    camel_data_wrapper_decode_to_stream_sync (
        data_wrapper, stream, NULL, NULL);

    /* because the result is not NULL-terminated */
    g_byte_array_append (array, padding, 2);

    string = (gchar *) array->data;
    contact_list = eab_contact_list_from_string (string);
    vcard_part->contact_list = contact_list;

    g_object_unref (mime_part);
    g_object_unref (stream);
}

static gboolean
empe_vcard_inline_parse (EMailParserExtension *extension,
                         EMailParser *parser,
                         CamelMimePart *part,
                         GString *part_id,
                         GCancellable *cancellable,
                         GQueue *out_mail_parts)
{
    EMailPartVCardInline *vcard_part;
    GQueue work_queue = G_QUEUE_INIT;
    gint len;

    len = part_id->len;
    g_string_append (part_id, ".org-gnome-vcard-inline-display");

    vcard_part = (EMailPartVCardInline *) e_mail_part_subclass_new (
        part, part_id->str, sizeof (EMailPartVCardInline),
        (GFreeFunc) mail_part_vcard_inline_free);
    vcard_part->parent.mime_type = camel_content_type_simple (
        camel_mime_part_get_content_type (part));
    vcard_part->parent.bind_func = (EMailPartDOMBindFunc) bind_dom;
    vcard_part->parent.is_attachment = TRUE;
    vcard_part->formatter = g_object_new (
        EAB_TYPE_CONTACT_FORMATTER,
        "display-mode", EAB_CONTACT_DISPLAY_RENDER_COMPACT,
        "render-maps", FALSE, NULL);
    g_object_ref (part);

    decode_vcard (vcard_part, part);

    g_string_truncate (part_id, len);

    g_queue_push_tail (&work_queue, vcard_part);

    e_mail_parser_wrap_as_attachment (
        parser, part, part_id, &work_queue);

    e_queue_transfer (&work_queue, out_mail_parts);

    return TRUE;
}

static void
e_mail_parser_vcard_inline_class_init (EMailParserExtensionClass *class)
{
    class->mime_types = parser_mime_types;
    class->flags = E_MAIL_PARSER_EXTENSION_INLINE_DISPOSITION;
    class->parse = empe_vcard_inline_parse;
}

static void
e_mail_parser_vcard_inline_class_finalize (EMailParserExtensionClass *class)
{
}

static void
e_mail_parser_vcard_inline_init (EMailParserExtension *extension)
{
}

static void
mail_parser_vcard_inline_loader_constructed (GObject *object)
{
    EExtensible *extensible;

    extensible = e_extension_get_extensible (E_EXTENSION (object));

    e_mail_extension_registry_add_extension (
        E_MAIL_EXTENSION_REGISTRY (extensible),
        parser_mime_types,
        e_mail_parser_vcard_inline_get_type ());
}

static void
e_mail_parser_vcard_inline_loader_class_init (EExtensionClass *class)
{
    GObjectClass *object_class;

    object_class = G_OBJECT_CLASS (class);
    object_class->constructed = mail_parser_vcard_inline_loader_constructed;

    class->extensible_type = E_TYPE_MAIL_PARSER_EXTENSION_REGISTRY;
}

static void
e_mail_parser_vcard_inline_loader_class_finalize (EExtensionClass *class)
{
}

static void
e_mail_parser_vcard_inline_loader_init (EExtension *extension)
{
}

void
e_mail_parser_vcard_inline_type_register (GTypeModule *type_module)
{
    e_mail_parser_vcard_inline_register_type (type_module);
    e_mail_parser_vcard_inline_loader_register_type (type_module);
}