From cd7c20d152dcaa2b92c3e78822b5243a71a94514 Mon Sep 17 00:00:00 2001 From: Milan Crha Date: Mon, 26 Apr 2010 16:42:02 +0200 Subject: Bug #603418 - Custom headers not displayed in message preview --- mail/e-mail-reader-utils.c | 186 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 186 insertions(+) (limited to 'mail/e-mail-reader-utils.c') diff --git a/mail/e-mail-reader-utils.c b/mail/e-mail-reader-utils.c index f41c4e2d68..51912bb1b1 100644 --- a/mail/e-mail-reader-utils.c +++ b/mail/e-mail-reader-utils.c @@ -24,6 +24,7 @@ #include "e-mail-reader-utils.h" #include +#include #include #include @@ -35,6 +36,7 @@ #include "mail/em-format-html-print.h" #include "mail/em-utils.h" #include "mail/mail-autofilter.h" +#include "mail/mail-config.h" #include "mail/mail-ops.h" #include "mail/mail-tools.h" #include "mail/mail-vfolder.h" @@ -554,3 +556,187 @@ e_mail_reader_create_vfolder_from_selected (EMailReader *reader, em_utils_uids_free (uids); } + +static EMailReaderHeader * +emr_header_from_xmldoc (xmlDocPtr doc) +{ + EMailReaderHeader *h; + xmlNodePtr root; + xmlChar *name; + + if (doc == NULL) + return NULL; + + root = doc->children; + if (strcmp ((gchar *)root->name, "header") != 0) + return NULL; + + name = xmlGetProp (root, (const guchar *)"name"); + if (name == NULL) + return NULL; + + h = g_malloc0 (sizeof (EMailReaderHeader)); + h->name = g_strdup ((gchar *)name); + xmlFree (name); + + if (xmlHasProp (root, (const guchar *)"enabled")) + h->enabled = 1; + else + h->enabled = 0; + + return h; +} + +/** + * e_mail_reader_header_from_xml + * @xml: XML configuration data + * + * Parses passed XML data, which should be of + * the format
, and + * returns a EMailReaderHeader structure, or NULL if there + * is an error. + **/ +EMailReaderHeader * +e_mail_reader_header_from_xml (const gchar *xml) +{ + EMailReaderHeader *header; + xmlDocPtr doc; + + if (!(doc = xmlParseDoc ((guchar *) xml))) + return NULL; + + header = emr_header_from_xmldoc (doc); + xmlFreeDoc (doc); + + return header; +} + +/** + * e_mail_reader_header_to_xml + * @header: header from which to generate XML + * + * Returns the passed header as a XML structure, + * or NULL on error + */ +gchar * +e_mail_reader_header_to_xml (EMailReaderHeader *header) +{ + xmlDocPtr doc; + xmlNodePtr root; + xmlChar *xml; + gchar *out; + gint size; + + g_return_val_if_fail (header != NULL, NULL); + g_return_val_if_fail (header->name != NULL, NULL); + + doc = xmlNewDoc ((const guchar *)"1.0"); + + root = xmlNewDocNode (doc, NULL, (const guchar *)"header", NULL); + xmlSetProp (root, (const guchar *)"name", (guchar *)header->name); + if (header->enabled) + xmlSetProp (root, (const guchar *)"enabled", NULL); + + xmlDocSetRootElement (doc, root); + xmlDocDumpMemory (doc, &xml, &size); + xmlFreeDoc (doc); + + out = g_malloc (size + 1); + memcpy (out, xml, size); + out[size] = '\0'; + xmlFree (xml); + + return out; +} + +/** + * e_mail_reader_header_free + * @header: header to free + * + * Frees the memory associated with the passed header + * structure. + */ +void +e_mail_reader_header_free (EMailReaderHeader *header) +{ + if (header == NULL) + return; + + g_free (header->name); + g_free (header); +} + +static void +headers_changed_cb (GConfClient *gconf, guint cnxn_id, GConfEntry *entry, EMailReader *reader) +{ + EMFormat *emf; + EMFormatHTMLDisplay *emfhd; + GSList *header_config_list, *p; + + g_return_if_fail (gconf != NULL); + g_return_if_fail (reader != NULL); + + emfhd = e_mail_reader_get_html_display (reader); + if (!emfhd) + return; + + emf = EM_FORMAT (emfhd); + g_return_if_fail (emf != NULL); + + header_config_list = gconf_client_get_list (gconf, "/apps/evolution/mail/display/headers", GCONF_VALUE_STRING, NULL); + em_format_clear_headers (emf); + for (p = header_config_list; p; p = g_slist_next(p)) { + EMailReaderHeader *h; + gchar *xml = (gchar *)p->data; + + h = e_mail_reader_header_from_xml (xml); + if (h && h->enabled) { + em_format_add_header (emf, h->name, EM_FORMAT_HEADER_BOLD); + } + + e_mail_reader_header_free (h); + } + + g_slist_foreach(header_config_list, (GFunc) g_free, NULL); + g_slist_free(header_config_list); + + /* force a redraw */ + if (emf->message) + em_format_redraw (emf); +} + +static void +remove_header_notify_cb (gpointer data) +{ + GConfClient *gconf = mail_config_get_gconf_client (); + guint notify_id; + + g_return_if_fail (gconf != NULL); + + notify_id = GPOINTER_TO_INT (data); + g_return_if_fail (notify_id != 0); + + gconf_client_notify_remove (gconf, notify_id); + gconf_client_remove_dir (gconf, "/apps/evolution/mail/display", NULL); +} + +/** + * e_mail_reader_connect_headers + * @reader: an #EMailReader + * + * Connects @reader to listening for changes in headers and + * updates the EMFormat whenever it changes and on this call too. + **/ +void +e_mail_reader_connect_headers (EMailReader *reader) +{ + GConfClient *gconf = mail_config_get_gconf_client (); + guint notify_id; + + gconf_client_add_dir (gconf, "/apps/evolution/mail/display", GCONF_CLIENT_PRELOAD_NONE, NULL); + notify_id = gconf_client_notify_add (gconf, "/apps/evolution/mail/display/headers", (GConfClientNotifyFunc) headers_changed_cb, reader, NULL, NULL); + + g_object_set_data_full (G_OBJECT (reader), "reader-header-notify-id", GINT_TO_POINTER (notify_id), remove_header_notify_cb); + + headers_changed_cb (gconf, 0, NULL, reader); +} -- cgit