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[evolution/webkit-composer: 82/181] Initial attempt on signatures handling.

commit be423847838859f147471522b481ad8565fde1e3
Author: Dan VrÃtil <dvratil redhat com>
Date:   Thu Oct 11 01:07:27 2012 +0200

    Initial attempt on signatures handling.
    
    Still buggy, but we are on the right way

 composer/e-composer-private.c                 |  236 +++++++++----------------
 composer/e-msg-composer.c                     |   40 +++--
 e-util/e-editor-selection.c                   |   99 ++++++++++-
 e-util/e-editor-selection.h                   |    3 +
 em-format/e-mail-formatter-quote-attachment.c |   13 +--
 em-format/e-mail-formatter-quote.c            |    6 +-
 mail/em-composer-utils.c                      |   36 +---
 mail/em-utils.c                               |    4 +
 mail/em-utils.h                               |    1 +
 9 files changed, 227 insertions(+), 211 deletions(-)
---
diff --git a/composer/e-composer-private.c b/composer/e-composer-private.c
index e596a85..86b7e5e 100644
--- a/composer/e-composer-private.c
+++ b/composer/e-composer-private.c
@@ -253,7 +253,8 @@ e_composer_private_constructed (EMsgComposer *composer)
 	priv->header_table = g_object_ref (widget);
 	gtk_widget_show (widget);
 
-	header = e_composer_header_table_get_header (E_COMPOSER_HEADER_TABLE (widget),
+	header = e_composer_header_table_get_header (
+		E_COMPOSER_HEADER_TABLE (widget),
 		E_COMPOSER_HEADER_SUBJECT);
 	g_object_bind_property (
 		shell_settings, "composer-inline-spelling",
@@ -570,87 +571,6 @@ e_composer_get_default_charset (void)
 	return charset;
 }
 
-gchar *
-e_composer_decode_clue_value (const gchar *encoded_value)
-{
-	GString *buffer;
-	const gchar *cp;
-
-	/* Decode a GtkHtml "ClueFlow" value. */
-
-	g_return_val_if_fail (encoded_value != NULL, NULL);
-
-	buffer = g_string_sized_new (strlen (encoded_value));
-
-	/* Copy the value, decoding escaped characters as we go. */
-	cp = encoded_value;
-	while (*cp != '\0') {
-		if (*cp == '.') {
-			cp++;
-			switch (*cp) {
-				case '.':
-					g_string_append_c (buffer, '.');
-					break;
-				case '1':
-					g_string_append_c (buffer, '"');
-					break;
-				case '2':
-					g_string_append_c (buffer, '=');
-					break;
-				default:
-					/* Invalid escape sequence. */
-					g_string_free (buffer, TRUE);
-					return NULL;
-			}
-		} else
-			g_string_append_c (buffer, *cp);
-		cp++;
-	}
-
-	return g_string_free (buffer, FALSE);
-}
-
-gchar *
-e_composer_encode_clue_value (const gchar *decoded_value)
-{
-	gchar *encoded_value;
-	gchar **strv;
-
-	/* Encode a GtkHtml "ClueFlow" value. */
-
-	g_return_val_if_fail (decoded_value != NULL, NULL);
-
-	/* XXX This is inefficient but easy to understand. */
-
-	encoded_value = g_strdup (decoded_value);
-
-	/* Substitution: '.' --> '..' (do this first) */
-	if (strchr (encoded_value, '.') != NULL) {
-		strv = g_strsplit (encoded_value, ".", 0);
-		g_free (encoded_value);
-		encoded_value = g_strjoinv ("..", strv);
-		g_strfreev (strv);
-	}
-
-	/* Substitution: '"' --> '.1' */
-	if (strchr (encoded_value, '"') != NULL) {
-		strv = g_strsplit (encoded_value, """", 0);
-		g_free (encoded_value);
-		encoded_value = g_strjoinv (".1", strv);
-		g_strfreev (strv);
-	}
-
-	/* Substitution: '=' --> '.2' */
-	if (strchr (encoded_value, '=') != NULL) {
-		strv = g_strsplit (encoded_value, "=", 0);
-		g_free (encoded_value);
-		encoded_value = g_strjoinv (".2", strv);
-		g_strfreev (strv);
-	}
-
-	return encoded_value;
-}
-
 gboolean
 e_composer_paste_html (EMsgComposer *composer,
                        GtkClipboard *clipboard)
@@ -924,29 +844,34 @@ composer_load_signature_cb (EMailSignatureComboBox *combo_box,
                             GAsyncResult *result,
                             EMsgComposer *composer)
 {
-	/* FIXME WEBKIT Uuuhm, yeah...we don't support signatures yet
 	GString *html_buffer = NULL;
-	GtkhtmlEditor *editor;
 	gchar *contents = NULL;
 	gsize length = 0;
 	const gchar *active_id;
-	gchar *encoded_uid = NULL;
 	gboolean top_signature;
 	gboolean is_html;
 	GError *error = NULL;
+	EEditor *editor;
+	EEditorWidget *editor_widget;
+	EEditorSelection *selection;
+	WebKitDOMDocument *document;
+	WebKitDOMNodeList *signatures;
+	WebKitDOMDOMWindow *window;
+	WebKitDOMDOMSelection *dom_selection;
+	gulong list_length, ii;
 
 	e_mail_signature_combo_box_load_selected_finish (
 		combo_box, result, &contents, &length, &is_html, &error);
 
-	// FIXME Use an EAlert here.
+	/* FIXME Use an EAlert here.*/
 	if (error != NULL) {
 		g_warning ("%s: %s", G_STRFUNC, error->message);
 		g_error_free (error);
 		goto exit;
 	}
 
-	// "Edit as New Message" sets "priv->is_from_message".
-	//Always put the signature at the bottom for that case. 
+	/* "Edit as New Message" sets "priv->is_from_message".
+	   Always put the signature at the bottom for that case. */
 	top_signature =
 		use_top_signature (composer) &&
 		!composer->priv->is_from_message;
@@ -954,35 +879,23 @@ composer_load_signature_cb (EMailSignatureComboBox *combo_box,
 	if (contents == NULL)
 		goto insert;
 
-	// Generate HTML code for the signature.
-
+	/* Generate HTML code for the signature. */
 	html_buffer = g_string_sized_new (1024);
 
-	// The combo box active ID is the signature's ESource UID.
+	/* The combo box active ID is the signature's ESource UID. */
 	active_id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (combo_box));
 
-	if (active_id != NULL && *active_id != '\0')
-		encoded_uid = e_composer_encode_clue_value (active_id);
-
 	g_string_append_printf (
 		html_buffer,
-		"<!--+GtkHTML:<DATA class=\"ClueFlow\" "
-		"    key=\"signature\" value=\"1\">-->"
-		"<!--+GtkHTML:<DATA class=\"ClueFlow\" "
-		"    key=\"signature_name\" value=\"uid:%s\"-->",
-		(encoded_uid != NULL) ? encoded_uid : "");
-
-	g_string_append (
-		html_buffer,
-		"<TABLE WIDTH=\"100%%\" CELLSPACING=\"0\""
-		" CELLPADDING=\"0\"><TR><TD>");
+		"<SPAN class=\"-x-evolution-signature\" id=\"1\" name=\"%s\">",
+		(active_id != NULL) ? active_id : "");
 
 	if (!is_html)
 		g_string_append (html_buffer, "<PRE>\n");
 
-	// 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
+	/* 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;
@@ -995,7 +908,7 @@ composer_load_signature_cb (EMailSignatureComboBox *combo_box,
 			delim_nl = "\n-- \n";
 		}
 
-		// Skip the delimiter if the signature already has one.
+		/* 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)
@@ -1012,89 +925,106 @@ composer_load_signature_cb (EMailSignatureComboBox *combo_box,
 	if (top_signature)
 		g_string_append (html_buffer, "<BR>");
 
-	g_string_append (html_buffer, "</TD></TR></TABLE>");
-
-	g_free (encoded_uid);
+	g_string_append (html_buffer, "</SPAN>");
 	g_free (contents);
 
+	g_message ("Inserting signature: %s", html_buffer->str);
+
 insert:
-	// Remove the old signature and insert the new one.
+	/* Remove the old signature and insert the new one. */
+	editor = e_editor_window_get_editor (E_EDITOR_WINDOW (composer));
+	editor_widget = e_editor_get_editor_widget (editor);
+	selection = e_editor_widget_get_selection (editor_widget);
 
-	editor = GTKHTML_EDITOR (composer);
+	e_editor_selection_save (selection);
 
-	// This prevents our command before/after callbacks from
-	   screwing around with the signature as we insert it.
+	/* This prevents our command before/after callbacks from
+	   screwing around with the signature as we insert it. */
 	composer->priv->in_signature_insert = TRUE;
 
-	gtkhtml_editor_freeze (editor);
-	gtkhtml_editor_run_command (editor, "cursor-position-save");
-	gtkhtml_editor_undo_begin (editor, "Set signature", "Reset signature");
-
-	gtkhtml_editor_run_command (editor, "block-selection");
-	gtkhtml_editor_run_command (editor, "cursor-bod");
-	if (gtkhtml_editor_search_by_data (editor, 1, "ClueFlow", "signature", "1")) {
-		gtkhtml_editor_run_command (editor, "select-paragraph");
-		gtkhtml_editor_run_command (editor, "delete");
-		gtkhtml_editor_set_paragraph_data (editor, "signature", "0");
-		gtkhtml_editor_run_command (editor, "delete-back");
+	document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (editor_widget));
+	window = webkit_dom_document_get_default_view (document);
+	dom_selection = webkit_dom_dom_window_get_selection (window);
+
+	signatures = webkit_dom_document_get_elements_by_class_name (document, "-x-evolution-signature");
+	list_length = webkit_dom_node_list_get_length (signatures);
+	for (ii = 0; ii < list_length; ii++) {
+		WebKitDOMNode *node;
+		gchar *id;
+
+		node = webkit_dom_node_list_item (signatures, ii);
+		id = webkit_dom_html_element_get_id (WEBKIT_DOM_HTML_ELEMENT (node));
+
+		if (id && (strlen (id) == 1) && (*id == '1')) {
+		      webkit_dom_node_remove_child (
+			    webkit_dom_node_get_parent_node (node), node, NULL);
+		      g_free (id);
+		      break;
+		}
+
+		g_free (id);
 	}
-	gtkhtml_editor_run_command (editor, "unblock-selection");
 
-	if (html_buffer != NULL) {
-		gtkhtml_editor_run_command (editor, "insert-paragraph");
-		if (!gtkhtml_editor_run_command (editor, "cursor-backward"))
-			gtkhtml_editor_run_command (editor, "insert-paragraph");
-		else
-			gtkhtml_editor_run_command (editor, "cursor-forward");
+	if (top_signature) {
+	      WebKitDOMElement *citation;
+
+	      citation = webkit_dom_document_get_element_by_id (
+				   document, "-x-evolution-reply-citation");
+	      if (!citation) {
+		      webkit_dom_dom_selection_modify (
+			      dom_selection, "move", "forward", "documentBoundary");
+	      } else {
+		      webkit_dom_dom_selection_set_base_and_extent (
+			      dom_selection, WEBKIT_DOM_NODE (citation), 0,
+			      WEBKIT_DOM_NODE (citation), 0, NULL);
+	      }
+	} else {
+	      webkit_dom_dom_selection_modify (
+		      dom_selection, "move", "forward", "documentBoundary");
+	}
 
-		gtkhtml_editor_set_paragraph_data (editor, "orig", "0");
-		gtkhtml_editor_run_command (editor, "indent-zero");
-		gtkhtml_editor_run_command (editor, "style-normal");
-		gtkhtml_editor_insert_html (editor, html_buffer->str);
+	if (html_buffer != NULL) {
+		if (*html_buffer->str) {
+			webkit_dom_document_exec_command (
+				  document, "insertParagraph", FALSE, "");
+			e_editor_selection_insert_html (selection, html_buffer->str);
+			webkit_dom_document_exec_command (
+				  document, "insertParagraph", FALSE, "");
+		}
 
 		g_string_free (html_buffer, TRUE);
-
-	} else if (top_signature) {
-		// Insert paragraph after the signature ClueFlow stuff. 
-		if (gtkhtml_editor_run_command (editor, "cursor-forward"))
-			gtkhtml_editor_run_command (editor, "insert-paragraph");
 	}
 
-	gtkhtml_editor_undo_end (editor);
-	gtkhtml_editor_run_command (editor, "cursor-position-restore");
-	gtkhtml_editor_thaw (editor);
+	e_editor_selection_restore (selection);
 
 	composer->priv->in_signature_insert = FALSE;
 
 exit:
 	g_object_unref (composer);
-	*/
 }
 
 void
 e_composer_update_signature (EMsgComposer *composer)
 {
-	/* FIXME WEBKIT As said above...no signatures yet
 	EComposerHeaderTable *table;
 	EMailSignatureComboBox *combo_box;
 
 	g_return_if_fail (E_IS_MSG_COMPOSER (composer));
 
-	// Do nothing if we're redirecting a message.
+	/* Do nothing if we're redirecting a message. */
 	if (composer->priv->redirect)
 		return;
 
 	table = e_msg_composer_get_header_table (composer);
 	combo_box = e_composer_header_table_get_signature_combo_box (table);
 
-	//XXX Signature files should be local and therefore load quickly,
-	//	so while we do load them asynchronously we don't allow for
-	//	user cancellation and we keep the composer alive until the
-	//	asynchronous loading is complete.
+	/*XXX Signature files should be local and therefore load quickly,
+	      so while we do load them asynchronously we don't allow for
+	      user cancellation and we keep the composer alive until the
+	      asynchronous loading is complete. */
 	e_mail_signature_combo_box_load_selected (
 		combo_box, G_PRIORITY_DEFAULT, NULL,
 		(GAsyncReadyCallback) composer_load_signature_cb,
 		g_object_ref (composer));
-	*/
 }
 
diff --git a/composer/e-msg-composer.c b/composer/e-msg-composer.c
index 8852308..1c6c235 100644
--- a/composer/e-msg-composer.c
+++ b/composer/e-msg-composer.c
@@ -2960,30 +2960,48 @@ handle_multipart (EMsgComposer *composer,
 static void
 set_signature_gui (EMsgComposer *composer)
 {
-	/*FIXME WEBKIT We don't support signatures yet....
-	GtkhtmlEditor *editor;
+	EEditor *editor;
+	EEditorWidget *widget;
+	WebKitDOMDocument *document;
+	WebKitDOMNodeList *nodes;
 	EComposerHeaderTable *table;
 	EMailSignatureComboBox *combo_box;
-	const gchar *data;
 	gchar *uid;
+	gulong ii, length;
 
-	editor = GTKHTML_EDITOR (composer);
 	table = e_msg_composer_get_header_table (composer);
 	combo_box = e_composer_header_table_get_signature_combo_box (table);
 
-	if (!gtkhtml_editor_search_by_data (editor, 1, "ClueFlow", "signature", "1"))
-		return;
 
-	data = gtkhtml_editor_get_paragraph_data (editor, "signature_name");
+	editor = e_editor_window_get_editor (E_EDITOR_WINDOW (composer));
+	widget = e_editor_get_editor_widget (editor);
+	document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (widget));
 
-	if (!g_str_has_prefix (data, "uid:"))
+	uid = NULL;
+	nodes = webkit_dom_document_get_elements_by_class_name (
+		      document, "-x-evolution-signature");
+	length = webkit_dom_node_list_get_length (nodes);
+	for (ii = 0; ii < length; ii++) {
+		WebKitDOMNode *node;
+		gchar *id;
+
+		node = webkit_dom_node_list_item (nodes, ii);
+		id = webkit_dom_html_element_get_id (WEBKIT_DOM_HTML_ELEMENT (node));
+		if (id && (strlen (id) == 1) && (*id == '1')) {
+		      uid = webkit_dom_element_get_attribute (
+			      WEBKIT_DOM_ELEMENT (node), "name");
+		      g_free (id);
+		      break;
+		}
+		g_free (id);
+	}
+	if (!uid) {
 		return;
+	}
 
 	// The combo box active ID is the signature's ESource UID.
-	uid = e_composer_decode_clue_value (data + 4);
 	gtk_combo_box_set_active_id (GTK_COMBO_BOX (combo_box), uid);
 	g_free (uid);
-	*/
 }
 
 static void
@@ -4921,7 +4939,7 @@ void
 e_msg_composer_reply_indent (EMsgComposer *composer)
 {
 	/* FIXME WEBKIT We already have indentation implementation. Why
-	 * is this done? 
+	 * is this done?
 	GtkhtmlEditor *editor;
 
 	g_return_if_fail (E_IS_MSG_COMPOSER (composer));
diff --git a/e-util/e-editor-selection.c b/e-util/e-editor-selection.c
index c48f966..d7c083c 100644
--- a/e-util/e-editor-selection.c
+++ b/e-util/e-editor-selection.c
@@ -47,6 +47,8 @@ struct _EEditorSelectionPrivate {
 	gchar *background_color;
 	gchar *font_color;
 	gchar *font_family;
+
+	gulong selection_offset;
 };
 
 G_DEFINE_TYPE (
@@ -1649,4 +1651,99 @@ e_editor_selection_wrap_lines (EEditorSelection *selection)
 	e_editor_selection_insert_html (selection, html);
 
 	g_free (html);
-}
\ No newline at end of file
+}
+
+void
+e_editor_selection_save (EEditorSelection* selection)
+{
+	WebKitDOMDocument *document;
+	WebKitDOMRange *range;
+	WebKitDOMNode *container, *split;
+	WebKitDOMElement *marker;
+
+
+	g_return_if_fail (E_IS_EDITOR_SELECTION (selection));
+
+	document = webkit_web_view_get_dom_document (selection->priv->webview);
+
+	/* First remove all markers (if present) */
+	marker = webkit_dom_document_get_element_by_id (
+			document, "-x-evolution-selection-start-marker");
+	if (marker) {
+	      webkit_dom_node_remove_child (
+		    webkit_dom_node_get_parent_node (WEBKIT_DOM_NODE (marker)),
+		    WEBKIT_DOM_NODE (marker), NULL);
+	}
+
+	marker = webkit_dom_document_get_element_by_id (
+			document, "-x-evolution-selection-end-marker");
+	if (marker) {
+	      webkit_dom_node_remove_child (
+		    webkit_dom_node_get_parent_node (WEBKIT_DOM_NODE (marker)),
+		    WEBKIT_DOM_NODE (marker), NULL);
+	}
+
+	range = editor_selection_get_current_range (selection);
+
+	marker = webkit_dom_document_create_element (document, "SPAN", NULL);
+	webkit_dom_html_element_set_id (
+		WEBKIT_DOM_HTML_ELEMENT (marker), "-x-evolution-selection-start-marker");
+	container = webkit_dom_range_get_start_container (range, NULL);
+	if (!WEBKIT_DOM_IS_TEXT (container)) {
+	      split = container;
+	} else {
+	      split = WEBKIT_DOM_NODE (webkit_dom_text_split_text (
+			      (WebKitDOMText *) container,
+			      webkit_dom_range_get_start_offset (range, NULL),
+			      NULL));
+	}
+	webkit_dom_node_insert_before (
+	      webkit_dom_node_get_parent_node (container),
+	      WEBKIT_DOM_NODE (marker), split, NULL);
+
+	marker = webkit_dom_document_create_element (document, "SPAN", NULL);
+	webkit_dom_html_element_set_id (
+		WEBKIT_DOM_HTML_ELEMENT (marker), "-x-evolution-selection-end-marker");
+	container = webkit_dom_range_get_end_container (range, NULL);
+	if (!WEBKIT_DOM_IS_TEXT (container)) {
+	      split = container;
+	} else {
+	      split = WEBKIT_DOM_NODE (webkit_dom_text_split_text (
+			      (WebKitDOMText *) container,
+			      webkit_dom_range_get_start_offset (range, NULL),
+			      NULL));
+	}
+	webkit_dom_node_insert_before (
+		webkit_dom_node_get_parent_node (container),
+		WEBKIT_DOM_NODE (marker), split, NULL);
+}
+
+
+void
+e_editor_selection_restore (EEditorSelection* selection)
+{
+	WebKitDOMDocument *document;
+	WebKitDOMRange *range;
+	WebKitDOMElement *marker;
+
+	g_return_if_fail (E_IS_EDITOR_SELECTION (selection));
+
+	document = webkit_web_view_get_dom_document (selection->priv->webview);
+	range = editor_selection_get_current_range (selection);
+
+	marker = webkit_dom_document_get_element_by_id (
+			document, "-x-evolution-selection-start-marker");
+	g_return_if_fail (marker != NULL);
+	webkit_dom_range_set_start_after (range, WEBKIT_DOM_NODE (marker), NULL);
+	webkit_dom_node_remove_child (
+	      webkit_dom_node_get_parent_node (WEBKIT_DOM_NODE (marker)),
+	      WEBKIT_DOM_NODE (marker), NULL);
+
+	marker = webkit_dom_document_get_element_by_id (
+			document, "-x-evolution-selection-end-marker");
+	g_return_if_fail (marker != NULL);
+	webkit_dom_range_set_end_before (range, WEBKIT_DOM_NODE (marker), NULL);
+	webkit_dom_node_remove_child (
+	      webkit_dom_node_get_parent_node (WEBKIT_DOM_NODE (marker)),
+	      WEBKIT_DOM_NODE (marker), NULL);
+}
diff --git a/e-util/e-editor-selection.h b/e-util/e-editor-selection.h
index c276cd3..93c41e4 100644
--- a/e-util/e-editor-selection.h
+++ b/e-util/e-editor-selection.h
@@ -206,6 +206,9 @@ void			e_editor_selection_insert_text	(EEditorSelection *selection,
 							 const gchar *plain_text);
 void			e_editor_selection_wrap_lines	(EEditorSelection *selection);
 
+void			e_editor_selection_save		(EEditorSelection *selection);
+void			e_editor_selection_restore	(EEditorSelection *selection);
+
 G_END_DECLS
 
 #endif /* E_EDITOR_SELECTION_H */
diff --git a/em-format/e-mail-formatter-quote-attachment.c b/em-format/e-mail-formatter-quote-attachment.c
index c37cf60..d356726 100644
--- a/em-format/e-mail-formatter-quote-attachment.c
+++ b/em-format/e-mail-formatter-quote-attachment.c
@@ -88,22 +88,13 @@ emfqe_attachment_format (EMailFormatterExtension *extension,
 	g_free (text);
 
 	camel_stream_write_string (
-		stream,
-		"<!--+GtkHTML:<DATA class=\"ClueFlow\" "
-		"key=\"orig\" value=\"1\">-->\n"
-		"<blockquote type=cite>\n", cancellable, NULL);
+		stream,	"<blockquote type=cite>\n", cancellable, NULL);
 
 	e_mail_formatter_format_as (
 		formatter, context, attachment_view_part,
 		stream, NULL, cancellable);
 
-	camel_stream_write_string (
-		stream,
-		"</blockquote><!--+GtkHTML:"
-		"<DATA class=\"ClueFlow\" clear=\"orig\">-->",
-		cancellable, NULL);
-
-	e_mail_part_unref (attachment_view_part);
+	camel_stream_write_string (stream, "</blockquote>", cancellable, NULL);
 
 	return TRUE;
 }
diff --git a/em-format/e-mail-formatter-quote.c b/em-format/e-mail-formatter-quote.c
index c8f8386..a03822e 100644
--- a/em-format/e-mail-formatter-quote.c
+++ b/em-format/e-mail-formatter-quote.c
@@ -93,8 +93,6 @@ mail_formatter_quote_run (EMailFormatter *formatter,
 	if (qf->priv->flags & E_MAIL_FORMATTER_QUOTE_FLAG_CITE) {
 		camel_stream_write_string (
 			stream,
-			"<!--+GtkHTML:<DATA class=\"ClueFlow\" "
-			"key=\"orig\" value=\"1\">-->\n"
 			"<blockquote type=cite>\n", cancellable, NULL);
 	}
 
@@ -128,9 +126,7 @@ mail_formatter_quote_run (EMailFormatter *formatter,
 
 	if (qf->priv->flags & E_MAIL_FORMATTER_QUOTE_FLAG_CITE) {
 		camel_stream_write_string (
-			stream, "</blockquote><!--+GtkHTML:"
-			"<DATA class=\"ClueFlow\" clear=\"orig\">-->",
-			cancellable, NULL);
+			stream, "</blockquote>", cancellable, NULL);
 	}
 }
 
diff --git a/mail/em-composer-utils.c b/mail/em-composer-utils.c
index 36a7a68..31d7b5a 100644
--- a/mail/em-composer-utils.c
+++ b/mail/em-composer-utils.c
@@ -1764,7 +1764,7 @@ forward_non_attached (EShell *shell,
 
 	forward = quoting_text (QUOTING_FORWARD);
 	text = em_utils_message_to_html (
-		session, message, forward, flags, NULL, NULL, &validity_found);
+		session, message, forward, flags, NULL, NULL, NULL, &validity_found);
 
 	if (text != NULL) {
 		CamelDataWrapper *content;
@@ -2845,7 +2845,8 @@ composer_set_body (EMsgComposer *composer,
 		original = quoting_text (QUOTING_ORIGINAL);
 		text = em_utils_message_to_html (
 			session, message, original, E_MAIL_FORMATTER_QUOTE_FLAG_HEADERS,
-			parts_list, start_bottom ? "<BR>" : NULL, &validity_found);
+			parts_list, "<span id=\"-x-evolution-reply-citation\">",
+			start_bottom ? "</span><br>" : "</span>", &validity_found);
 		e_msg_composer_set_body_text (composer, text, TRUE);
 		has_body_text = text && *text;
 		g_free (text);
@@ -2859,7 +2860,8 @@ composer_set_body (EMsgComposer *composer,
 		credits = attribution_format (message);
 		text = em_utils_message_to_html (
 			session, message, credits, E_MAIL_FORMATTER_QUOTE_FLAG_CITE,
-			parts_list, start_bottom ? "<BR>" : NULL, &validity_found);
+			parts_list, "<span id=\"-x-evolution-reply-citation\">",
+			start_bottom ? "</span><br>" : "</span>", &validity_found);
 		g_free (credits);
 		e_msg_composer_set_body_text (composer, text, TRUE);
 		has_body_text = text && *text;
@@ -2868,32 +2870,6 @@ composer_set_body (EMsgComposer *composer,
 		break;
 	}
 
-	/* FIXME WEBKIT No signature yet...
-	if (has_body_text && start_bottom) {
-		GtkhtmlEditor *editor = GTKHTML_EDITOR (composer);
-		gboolean move_cursor_to_end;
-		gboolean top_signature;
-
-		// If we are placing signature on top, then move cursor to the end,
-		// otherwise try to find the signature place and place cursor just
-		// before the signature. We added there an empty line already.
-		gtkhtml_editor_run_command (editor, "block-selection");
-		gtkhtml_editor_run_command (editor, "cursor-bod");
-
-		top_signature = g_settings_get_boolean (settings, "composer-top-signature");
-
-		move_cursor_to_end = top_signature ||
-			!gtkhtml_editor_search_by_data (
-				editor, 1, "ClueFlow", "signature", "1");
-
-		if (move_cursor_to_end)
-			gtkhtml_editor_run_command (editor, "cursor-eod");
-		else
-			gtkhtml_editor_run_command (editor, "selection-move-left");
-		gtkhtml_editor_run_command (editor, "unblock-selection");
-	}
-	*/
-
 	g_object_unref (settings);
 }
 
@@ -2910,7 +2886,7 @@ em_utils_construct_composer_text (CamelSession *session,
 	credits = attribution_format (message);
 	text = em_utils_message_to_html (
 		session, message, credits, E_MAIL_FORMATTER_QUOTE_FLAG_CITE,
-		parts_list, start_bottom ? "<BR>" : NULL, NULL);
+		parts_list, NULL, start_bottom ? "<BR>" : NULL, NULL);
 	g_free (credits);
 
 	return text;
diff --git a/mail/em-utils.c b/mail/em-utils.c
index b0dc4ba..5866702 100644
--- a/mail/em-utils.c
+++ b/mail/em-utils.c
@@ -1277,6 +1277,7 @@ em_utils_message_to_html (CamelSession *session,
                           const gchar *credits,
                           guint32 flags,
                           EMailPartList *parts_list,
+			  const gchar *prepend,
                           const gchar *append,
                           guint32 *validity_found)
 {
@@ -1359,6 +1360,9 @@ em_utils_message_to_html (CamelSession *session,
 	if (validity_found != NULL)
 		*validity_found = is_validity_found;
 
+	if (prepend != NULL && *prepend != '\0')
+	      camel_stream_write_string (mem, prepend, NULL, NULL);
+
 	e_mail_formatter_format_sync (
 		formatter, parts_list, mem, 0,
 		E_MAIL_FORMATTER_MODE_PRINTING, NULL);
diff --git a/mail/em-utils.h b/mail/em-utils.h
index 1fe8307..fc61197 100644
--- a/mail/em-utils.h
+++ b/mail/em-utils.h
@@ -71,6 +71,7 @@ gchar *		em_utils_message_to_html	(CamelSession *session,
 						 const gchar *credits,
 						 guint32 flags,
 						 struct _EMailPartList *parts_list,
+						 const gchar *prepend,
 						 const gchar *append,
 						 guint32 *validity_found);
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