gchar *
e_composer_dom_get_active_signature_uid (EEditorPage *editor_page)
{
WebKitDOMDocument *document;
WebKitDOMElement *element;
gchar *uid = NULL;
g_return_val_if_fail (E_IS_EDITOR_PAGE (editor_page), NULL);
document = e_editor_page_get_document (editor_page);
if ((element = webkit_dom_document_query_selector (document, ".-x-evo-signature[id]", NULL)))
uid = webkit_dom_element_get_id (element);
return uid;
}
gboolean
element_has_id (WebKitDOMElement *element,
const gchar* id)
{
gchar *element_id;
if (!element)
return FALSE;
if (!WEBKIT_DOM_IS_ELEMENT (element))
return FALSE;
element_id = webkit_dom_element_get_id (element);
if (g_ascii_strcasecmp (element_id, id) != 0) {
g_free (element_id);
return FALSE;
}
g_free (element_id);
return TRUE;
}
gchar *
e_composer_dom_insert_signature (EEditorPage *editor_page,
const gchar *content,
gboolean is_html,
const gchar *id,
gboolean *set_signature_from_message,
gboolean *check_if_signature_is_changed,
gboolean *ignore_next_signature_change)
{
WebKitDOMDocument *document;
WebKitDOMElement *signature_to_insert;
WebKitDOMElement *insert_signature_in = NULL;
WebKitDOMElement *signature_wrapper = NULL;
WebKitDOMElement *element, *converted_signature = NULL;
WebKitDOMHTMLElement *body;
WebKitDOMHTMLCollection *signatures = NULL;
gchar *new_signature_id = NULL;
gchar *signature_text = NULL;
gboolean top_signature, html_mode;
gulong ii;
g_return_val_if_fail (E_IS_EDITOR_PAGE (editor_page), NULL);
g_return_val_if_fail (set_signature_from_message != NULL, NULL);
g_return_val_if_fail (check_if_signature_is_changed != NULL, NULL);
g_return_val_if_fail (ignore_next_signature_change != NULL, NULL);
document = e_editor_page_get_document (editor_page);
body = webkit_dom_document_get_body (document);
/* "Edit as New Message" sets is_message_from_edit_as_new.
* Always put the signature at the bottom for that case. */
top_signature = use_top_signature ();
html_mode = e_editor_page_get_html_mode (editor_page);
/* Create the DOM signature that is the same across all types of signatures. */
signature_to_insert = webkit_dom_document_create_element (document, "span", NULL);
webkit_dom_element_set_class_name (signature_to_insert, "-x-evo-signature");
/* The combo box active ID is the signature's ESource UID. */
webkit_dom_element_set_id (signature_to_insert, id);
insert_signature_in = signature_to_insert;
/* The signature has no content usually it means it is set to None. */
if (!(content && *content))
goto insert;
if (!is_html) {
gchar *html;
html = camel_text_to_html (content, 0, 0);
if (html) {
signature_text = html;
} else
signature_text = g_strdup (content);
insert_signature_in = webkit_dom_document_create_element (document, "pre", NULL);
webkit_dom_node_append_child (
WEBKIT_DOM_NODE (signature_to_insert),
WEBKIT_DOM_NODE (insert_signature_in),
NULL);
} else
signature_text = g_strdup (content);
/* If inserting HTML signature in the plain text composer we have to convert it. */
if (is_html && !html_mode && !strstr (signature_text, "data-evo-signature-plain-text-mode")) {
gchar *inner_text;
/* Save the converted signature to avoid parsing it later again
* while inserting it into the view. */
converted_signature = webkit_dom_document_create_element (document, "pre", NULL);
webkit_dom_element_set_inner_html (converted_signature, signature_text, NULL);
e_editor_dom_convert_element_from_html_to_plain_text (editor_page, converted_signature);
inner_text = webkit_dom_html_element_get_inner_text (WEBKIT_DOM_HTML_ELEMENT (converted_signature));
g_free (signature_text);
signature_text = inner_text ? g_strstrip (inner_text) : g_strdup ("");
/* because of the -- \n check */
is_html = FALSE;
}
/* The signature dash convention ("-- \n") is specified
* in the "Son of RFC 1036", section 4.3.2.
* http://www.chemie.fu-berlin.de/outerspace/netnews/son-of-1036.html
*/
if (add_signature_delimiter ()) {
const gchar *delim;
const gchar *delim_nl;
if (is_html) {
delim = "-- <BR>";
delim_nl = "\n-- <BR>";
} else {
delim = "-- \n";
delim_nl = "\n-- \n";
}
/* Skip the delimiter if the signature already has one. */
if (g_ascii_strncasecmp (signature_text, delim, strlen (delim)) == 0)
; /* skip */
else if (e_util_strstrcase (signature_text, delim_nl) != NULL)
; /* skip */
else {
WebKitDOMElement *pre_delimiter;
pre_delimiter = webkit_dom_document_create_element (document, "pre", NULL);
/* Always use the HTML delimiter as we are never in anything
* like a strict plain text mode. */
webkit_dom_element_set_inner_html (pre_delimiter, "-- <br>", NULL);
webkit_dom_node_append_child (
WEBKIT_DOM_NODE (insert_signature_in),
WEBKIT_DOM_NODE (pre_delimiter),
NULL);
}
}
if (converted_signature) {
WebKitDOMNode *node;
while ((node = webkit_dom_node_get_first_child (WEBKIT_DOM_NODE (converted_signature))))
webkit_dom_node_append_child (
WEBKIT_DOM_NODE (insert_signature_in), node, NULL);
remove_node (WEBKIT_DOM_NODE (converted_signature));
} else
webkit_dom_element_insert_adjacent_html (
insert_signature_in,
"beforeend",
signature_text,
NULL);
element = webkit_dom_element_query_selector (
insert_signature_in, "[data-evo-signature-plain-text-mode]", NULL);
if (element)
webkit_dom_element_remove_attribute (
element, "data-evo-signature-plain-text-mode");
g_free (signature_text);
insert:
/* Remove the old signature and insert the new one. */
signatures = webkit_dom_document_get_elements_by_class_name_as_html_collection (
document, "-x-evo-signature-wrapper");
for (ii = webkit_dom_html_collection_get_length (signatures); ii--;) {
WebKitDOMNode *wrapper, *signature;
wrapper = webkit_dom_html_collection_item (signatures, ii);
signature = webkit_dom_node_get_first_child (wrapper);
/* Old messages will have the signature id in the name attribute, correct it. */
element_rename_attribute (WEBKIT_DOM_ELEMENT (signature), "name", "id");
/* When we are editing a message with signature, we need to unset the
* active signature id as if the signature in the message was edited
* by the user we would discard these changes. */
if (*set_signature_from_message && content) {
if (*check_if_signature_is_changed) {
/* Normalize the signature that we want to insert as the one in the
* message already is normalized. */
webkit_dom_node_normalize (WEBKIT_DOM_NODE (signature_to_insert));
if (!webkit_dom_node_is_equal_node (WEBKIT_DOM_NODE (signature_to_insert), signature)) {
/* Signature in the body is different than the one with the
* same id, so set the active signature to None and leave
* the signature that is in the body. */
new_signature_id = g_strdup ("none");
*ignore_next_signature_change = TRUE;
}
*check_if_signature_is_changed = FALSE;
*set_signature_from_message = FALSE;
} else {
/* Load the signature and check if is it the same
* as the signature in body or the user previously
* changed it. */
new_signature_id = webkit_dom_element_get_id (WEBKIT_DOM_ELEMENT (signature));
*check_if_signature_is_changed = TRUE;
}
g_clear_object (&signatures);
return new_signature_id;
}
/* If the top signature was set we have to remove the newline
* that was inserted after it */
if (top_signature) {
WebKitDOMElement *spacer;
spacer = webkit_dom_document_query_selector (
document, ".-x-evo-top-signature-spacer", NULL);
if (spacer)
remove_node_if_empty (WEBKIT_DOM_NODE (spacer));
}
/* Leave just one signature wrapper there as it will be reused. */
if (ii != 0) {
remove_node (wrapper);
} else {
remove_node (signature);
signature_wrapper = WEBKIT_DOM_ELEMENT (wrapper);
}
}
if (signature_wrapper) {
webkit_dom_node_append_child (
WEBKIT_DOM_NODE (signature_wrapper),
WEBKIT_DOM_NODE (signature_to_insert),
NULL);
/* Insert a spacer below the top signature */
if (top_signature && content) {
WebKitDOMElement *spacer;
spacer = prepare_top_signature_spacer (editor_page);
webkit_dom_node_insert_before (
WEBKIT_DOM_NODE (body),
WEBKIT_DOM_NODE (spacer),
webkit_dom_node_get_next_sibling (WEBKIT_DOM_NODE (signature_wrapper)),
NULL);
}
} else {
signature_wrapper = webkit_dom_document_create_element (document, "div", NULL);
webkit_dom_element_set_class_name (signature_wrapper, "-x-evo-signature-wrapper");
webkit_dom_node_append_child (
WEBKIT_DOM_NODE (signature_wrapper),
WEBKIT_DOM_NODE (signature_to_insert),
NULL);
if (top_signature) {
WebKitDOMNode *child;
child = webkit_dom_node_get_first_child (WEBKIT_DOM_NODE (body));
if (start_typing_at_bottom ()) {
webkit_dom_node_insert_before (
WEBKIT_DOM_NODE (body),
WEBKIT_DOM_NODE (signature_wrapper),
child,
NULL);
} else {
/* When we are using signature on top the caret
* should be before the signature */
webkit_dom_node_insert_before (
WEBKIT_DOM_NODE (body),
WEBKIT_DOM_NODE (signature_wrapper),
child,
NULL);
}
} else {
webkit_dom_node_append_child (
WEBKIT_DOM_NODE (body),
WEBKIT_DOM_NODE (signature_wrapper),
NULL);
}
move_caret_after_signature_inserted (editor_page);
}
g_clear_object (&signatures);
if (is_html && html_mode)
e_editor_dom_fix_file_uri_images (editor_page);
/* Make sure the flag will be unset and won't influence user's choice */
*set_signature_from_message = FALSE;
return NULL;
}
static void
composer_load_signature_cb (EMailSignatureComboBox *combo_box,
GAsyncResult *result,
EMsgComposer *composer)
{
GString *html_buffer = NULL;
gchar *contents = NULL;
gsize length = 0;
const gchar *active_id;
gboolean top_signature, is_html, html_mode;
gboolean start_bottom, is_message_from_edit_as_new;
GError *error = NULL;
EHTMLEditor *editor;
EHTMLEditorView *view;
WebKitDOMDocument *document;
WebKitDOMElement *element = NULL;
WebKitDOMNodeList *signatures;
gulong list_length, ii;
GSettings *settings;
e_mail_signature_combo_box_load_selected_finish (
combo_box, result, &contents, &length, &is_html, &error);
/* FIXME Use an EAlert here. */
if (error != NULL) {
g_warning ("%s: %s", G_STRFUNC, error->message);
g_error_free (error);
goto exit;
}
if (composer->priv->ignore_next_signature_change) {
composer->priv->ignore_next_signature_change = FALSE;
goto exit;
}
editor = e_msg_composer_get_editor (composer);
view = e_html_editor_get_view (editor);
is_message_from_edit_as_new =
e_html_editor_view_is_message_from_edit_as_new (view);
/* "Edit as New Message" sets is_message_from_edit_as_new.
* Always put the signature at the bottom for that case. */
top_signature =
use_top_signature (composer) &&
!is_message_from_edit_as_new &&
!composer->priv->is_from_new_message;
settings = e_util_ref_settings ("org.gnome.evolution.mail");
start_bottom = g_settings_get_boolean (settings, "composer-reply-start-bottom");
g_object_unref (settings);
document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (view));
html_mode = e_html_editor_view_get_html_mode (view);
if (contents == NULL)
goto insert;
/* If inserting HTML signature in plain text composer we have to convert it. */
if (is_html && !html_mode) {
WebKitDOMElement *tmp_element;
gchar *inner_text;
tmp_element = webkit_dom_document_create_element (document, "div", NULL);
webkit_dom_html_element_set_inner_html (
WEBKIT_DOM_HTML_ELEMENT (tmp_element), contents, NULL);
inner_text = webkit_dom_html_element_get_inner_text (
WEBKIT_DOM_HTML_ELEMENT (tmp_element));
g_free (contents);
contents = inner_text ? g_strstrip (inner_text) : g_strdup ("");
is_html = FALSE;
}
if (!is_html) {
gchar *html;
html = camel_text_to_html (contents, 0, 0);
if (html) {
g_free (contents);
contents = html;
length = strlen (contents);
}
}
/* Generate HTML code for the signature. */
html_buffer = g_string_sized_new (1024);
/* The combo box active ID is the signature's ESource UID. */
active_id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (combo_box));
g_string_append_printf (
html_buffer,
"<SPAN class=\"-x-evo-signature\" id=\"1\" name=\"%s\">",
(active_id != NULL) ? active_id : "");
if (!is_html)
g_string_append (html_buffer, "<PRE>");
/* The signature dash convention ("-- \n") is specified
* in the "Son of RFC 1036", section 4.3.2.
* http://www.chemie.fu-berlin.de/outerspace/netnews/son-of-1036.html
*/
if (add_signature_delimiter (composer)) {
const gchar *delim;
const gchar *delim_nl;
if (is_html) {
delim = "-- <BR>";
delim_nl = "\n-- <BR>";
} else {
delim = "-- \n";
delim_nl = "\n-- \n";
}
/* Skip the delimiter if the signature already has one. */
if (g_ascii_strncasecmp (contents, delim, strlen (delim)) == 0)
; /* skip */
else if (e_util_strstrcase (contents, delim_nl) != NULL)
; /* skip */
else
g_string_append (html_buffer, delim);
}
g_string_append_len (html_buffer, contents, length);
if (!is_html)
g_string_append (html_buffer, "</PRE>");
g_string_append (html_buffer, "</SPAN>");
g_free (contents);
insert:
/* Remove the old signature and insert the new one. */
signatures = webkit_dom_document_get_elements_by_class_name (
document, "-x-evo-signature-wrapper");
list_length = webkit_dom_node_list_get_length (signatures);
for (ii = 0; ii < list_length; ii++) {
WebKitDOMNode *wrapper, *signature;
gchar *id;
wrapper = webkit_dom_node_list_item (signatures, ii);
signature = webkit_dom_node_get_first_child (wrapper);
/* When we are editing a message with signature, we need to unset the
* active signature id as if the signature in the message was edited
* by the user we would discard these changes. */
if (composer->priv->set_signature_from_message &&
(is_message_from_edit_as_new || e_html_editor_view_is_message_from_draft (view))) {
if (composer->priv->check_if_signature_is_changed) {
if (html_buffer && *html_buffer->str) {
gchar *body_signature_text, *signature_text;
element = webkit_dom_document_create_element (document, "div", NULL);
webkit_dom_html_element_set_inner_html (
WEBKIT_DOM_HTML_ELEMENT (element), html_buffer->str, NULL);
body_signature_text = webkit_dom_html_element_get_inner_text (
WEBKIT_DOM_HTML_ELEMENT (signature));
signature_text = webkit_dom_html_element_get_inner_text (
WEBKIT_DOM_HTML_ELEMENT (element));
/* Signature in the body is different than the one with the
* same id, so set the active signature to None and leave
* the signature that is in the body. */
if (g_strcmp0 (body_signature_text, signature_text) != 0) {
gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), 0);
composer->priv->ignore_next_signature_change = TRUE;
}
g_free (body_signature_text);
g_free (signature_text);
} else {
gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), 0);
composer->priv->ignore_next_signature_change = TRUE;
}
composer->priv->check_if_signature_is_changed = FALSE;
composer->priv->set_signature_from_message = FALSE;
} else {
gchar *name;
/* Load the signature and check if is it the same
* as the signature in body or the user previously
* changed it. */
name = webkit_dom_element_get_attribute (WEBKIT_DOM_ELEMENT (signature), "name");
gtk_combo_box_set_active_id (GTK_COMBO_BOX (combo_box), name);
g_free (name);
composer->priv->check_if_signature_is_changed = TRUE;
}
g_object_unref (wrapper);
g_object_unref (signatures);
g_object_unref (composer);
return;
}
id = webkit_dom_element_get_id (WEBKIT_DOM_ELEMENT (signature));
if (id && (strlen (id) == 1) && (*id == '1')) {
/* If the top signature was set we have to remove the NL
* that was inserted after it */
if (top_signature) {
WebKitDOMElement *spacer;
spacer = webkit_dom_document_query_selector (
document, ".-x-evo-top-signature-spacer", NULL);
if (spacer)
remove_node_if_empty (WEBKIT_DOM_NODE (spacer));
}
/* We have to remove the div containing the span with signature */
remove_node (wrapper);
g_object_unref (wrapper);
g_free (id);
break;
}
g_object_unref (wrapper);
g_free (id);
}
g_object_unref (signatures);
if (html_buffer != NULL) {
if (*html_buffer->str) {
WebKitDOMHTMLElement *body;
body = webkit_dom_document_get_body (document);
if (!element) {
element = webkit_dom_document_create_element (document, "DIV", NULL);
webkit_dom_html_element_set_inner_html (
WEBKIT_DOM_HTML_ELEMENT (element), html_buffer->str, NULL);
}
webkit_dom_element_set_class_name (element, "-x-evo-signature-wrapper");
if (top_signature) {
WebKitDOMNode *child =
webkit_dom_node_get_first_child (WEBKIT_DOM_NODE (body));
if (start_bottom) {
webkit_dom_node_insert_before (
WEBKIT_DOM_NODE (body),
WEBKIT_DOM_NODE (element),
child,
NULL);
} else {
/* When we are using signature on top the caret
* should be before the signature */
webkit_dom_node_insert_before (
WEBKIT_DOM_NODE (body),
WEBKIT_DOM_NODE (element),
child,
NULL);
}
} else {
webkit_dom_node_append_child (
WEBKIT_DOM_NODE (body),
WEBKIT_DOM_NODE (element),
NULL);
}
}
g_string_free (html_buffer, TRUE);
}
if (is_html && html_mode)
e_html_editor_view_fix_file_uri_images (view);
composer_move_caret (composer);
exit:
/* Make sure the flag will be unset and won't influence user's choice */
composer->priv->set_signature_from_message = FALSE;
g_object_unref (composer);
}