evolution/bnc-446287-missing-vcf-reader.patch

--- mail//em-format-html-display.c	2008-10-13 14:07:24.000000000 +0530
+++ mail//em-format-html-display.c	2008-12-22 15:19:01.000000000 +0530
@@ -49,6 +49,7 @@
 #include <bonobo/bonobo-control-frame.h>
 #include <bonobo/bonobo-stream-memory.h>
 #include <bonobo/bonobo-widget.h>
+#include <bonobo-activation/bonobo-activation-mime.h>
 
 #include <camel/camel-stream.h>
 #include <camel/camel-stream-filter.h>
@@ -188,6 +189,8 @@ static void efhd_format_secure(EMFormat
 static void efhd_complete(EMFormat *);
 gboolean efhd_mnemonic_show_bar (GtkWidget *widget, gboolean focus, GtkWidget *efhd);
 
+static gboolean efhd_bonobo_object(EMFormatHTML *efh, GtkHTMLEmbedded *eb, EMFormatHTMLPObject *pobject); 	 
+static gboolean efhd_use_component(const char *mime_type);
 static void efhd_builtin_init(EMFormatHTMLDisplayClass *efhc);
 
 enum {
@@ -1303,10 +1306,37 @@ efhd_builtin_init(EMFormatHTMLDisplayCla
 }
 
 /* ********************************************************************** */
-
+static void 	 
+efhd_bonobo_unknown(EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info) 	 
+{ 	 
+	char *classid; 	 
+	  	 
+	classid = g_strdup_printf("bonobo-unknown:///em-format-html-display/%s", emf->part_id->str); 	 
+	em_format_html_add_pobject((EMFormatHTML *)emf, sizeof(EMFormatHTMLPObject), classid, part, efhd_bonobo_object); 	 
+	camel_stream_printf(stream, "<object classid=\"%s\" type=\"%s\"></object><br>\n", classid, info->mime_type); 	 
+	g_free(classid); 	 
+} 	 
+	  	 
+	 /* ********************************************************************** */
 static const EMFormatHandler *efhd_find_handler(EMFormat *emf, const char *mime_type)
 {
-	return ((EMFormatClass *)efhd_parent)->find_handler(emf, mime_type);
+	const EMFormatHandler *handle;
+	  	 
+	if ( (handle = ((EMFormatClass *)efhd_parent)->find_handler(emf, mime_type)) == NULL 	 
+		&& efhd_use_component(mime_type) 	 
+		&& (handle = g_hash_table_lookup(efhd_bonobo_handlers, mime_type)) == NULL) {
+
+		EMFormatHandler *h = g_malloc0(sizeof(*h)); 	 
+	  	 
+		h->mime_type = g_strdup(mime_type); 	 
+		h->handler = efhd_bonobo_unknown; 	 
+		h->flags = EM_FORMAT_HANDLER_INLINE_DISPOSITION; 	 
+		g_hash_table_insert(efhd_bonobo_handlers, h->mime_type, h); 	 
+	  	 
+		handle = h; 	 
+	} 	 
+	  	 
+	return handle;	
 }
 
 static void efhd_format_clone(EMFormat *emf, CamelFolder *folder, const char *uid, CamelMimeMessage *msg, EMFormat *src)
@@ -1956,6 +1986,154 @@ efhd_attachment_frame(EMFormat *emf, Cam
 	}
 }
 
+static gboolean 	 
+efhd_bonobo_object(EMFormatHTML *efh, GtkHTMLEmbedded *eb, EMFormatHTMLPObject *pobject) 	 
+{ 	 
+	CamelDataWrapper *wrapper; 	 
+	Bonobo_ServerInfo *component; 	 
+	GtkWidget *embedded; 	 
+	Bonobo_PersistStream persist; 	 
+	CORBA_Environment ev; 	 
+	CamelStreamMem *cstream; 	 
+	BonoboStream *bstream; 	 
+	BonoboControlFrame *control_frame; 	 
+	Bonobo_PropertyBag prop_bag; 	 
+	 
+	component = bonobo_activation_get_default_component_for_mime_type (eb->type); 	 
+	if (component == NULL) 	 
+		return FALSE; 	 
+	 
+	embedded = bonobo_widget_new_control(component->iid, NULL); 	 
+	CORBA_free(component); 	 
+	if (embedded == NULL) 	 
+		return FALSE; 	 
+	 
+	CORBA_exception_init(&ev); 	 
+	 
+	control_frame = bonobo_widget_get_control_frame((BonoboWidget *)embedded); 	 
+	prop_bag = bonobo_control_frame_get_control_property_bag(control_frame, NULL); 	 
+	if (prop_bag != CORBA_OBJECT_NIL) { 	 
+		/* 	 
+		 * Now we can take care of business. Currently, the only control 	 
+		 * that needs something passed to it through a property bag is 	 
+		 * the iTip control, and it needs only the From email address, 	 
+		 * but perhaps in the future we can generalize this section of code 	 
+		 * to pass a bunch of useful things to all embedded controls. 	 
+		 */ 	 
+		const CamelInternetAddress *from; 	 
+		char *from_address; 	 
+	
+		from = camel_mime_message_get_from((CamelMimeMessage *)((EMFormat *)efh)->message); 	 
+		from_address = camel_address_encode((CamelAddress *)from); 	 
+		bonobo_property_bag_client_set_value_string(prop_bag, "from_address", from_address, &ev); 	 
+		g_free(from_address); 	 
+	 
+		Bonobo_Unknown_unref(prop_bag, &ev); 	 
+	} 	 
+	 
+	persist = (Bonobo_PersistStream)Bonobo_Unknown_queryInterface(bonobo_widget_get_objref((BonoboWidget *)embedded), 	 
+									"IDL:Bonobo/PersistStream:1.0", &ev); 	 
+	if (persist == CORBA_OBJECT_NIL) { 	 
+		g_object_ref_sink(embedded); 	 
+		CORBA_exception_free(&ev); 	 
+		return FALSE; 	 
+	} 	 
+	 
+	/* Write the data to a CamelStreamMem... */ 	 
+	cstream = (CamelStreamMem *)camel_stream_mem_new(); 	 
+	wrapper = camel_medium_get_content_object((CamelMedium *)pobject->part); 	 
+	if (FALSE && !g_ascii_strncasecmp (eb->type, "text/", 5)) { 	 
+		/* do charset conversion, etc */ 	 
+		d(printf("performing charset conversion for %s component\n", eb->type)); 	 
+		em_format_format_text((EMFormat *)efh, (CamelStream *)cstream, wrapper); 	 
+	} else { 	 
+		camel_data_wrapper_decode_to_stream (wrapper, (CamelStream *) cstream); 	 
+	} 	 
+	 
+	/* ...convert the CamelStreamMem to a BonoboStreamMem... */ 	 
+	bstream = bonobo_stream_mem_create((char *)cstream->buffer->data, cstream->buffer->len, TRUE, FALSE); 	 
+	camel_object_unref(cstream); 	 
+	 
+	/* ...and hydrate the PersistStream from the BonoboStream. */ 	 
+	Bonobo_PersistStream_load(persist, 	 
+				  bonobo_object_corba_objref(BONOBO_OBJECT (bstream)), 	 
+				  eb->type, &ev); 	 
+	bonobo_object_unref(BONOBO_OBJECT (bstream)); 	 
+	Bonobo_Unknown_unref(persist, &ev); 	 
+	CORBA_Object_release(persist, &ev); 	 
+	 
+	if (ev._major != CORBA_NO_EXCEPTION) { 	 
+		g_object_ref_sink(embedded); 	 
+		CORBA_exception_free(&ev); 	 
+		return FALSE; 	 
+	} 	 
+	CORBA_exception_free(&ev); 	 
+	 
+	gtk_widget_show(embedded); 	 
+	gtk_container_add(GTK_CONTAINER (eb), embedded); 	 
+	 
+	return TRUE; 	 
+} 	 
+ 	 
+static gboolean 	 
+efhd_check_server_prop(Bonobo_ServerInfo *component, const char *propname, const char *value) 	 
+{ 	 
+	CORBA_sequence_CORBA_string stringv; 	 
+	Bonobo_ActivationProperty *prop; 	 
+	int i; 	 
+	 
+	prop = bonobo_server_info_prop_find(component, propname); 	 
+	if (!prop || prop->v._d != Bonobo_ACTIVATION_P_STRINGV) 	 
+		return FALSE; 	 
+	 
+	stringv = prop->v._u.value_stringv; 	 
+	for (i = 0; i < stringv._length; i++) { 	 
+		if (!g_ascii_strcasecmp(value, stringv._buffer[i])) 	 
+			return TRUE; 	 
+	} 	 
+	 
+	return FALSE; 	 
+} 	 
+ 	 
+static gboolean 	 
+efhd_use_component(const char *mime_type) 	 
+{ 	 
+	GList *components, *iter; 	 
+	Bonobo_ServerInfo *component = NULL; 	 
+	 
+	/* should this cache it? */ 	 
+	 
+	if (g_ascii_strcasecmp(mime_type, "text/x-vcard") != 0 	 
+	    && g_ascii_strcasecmp(mime_type, "text/calendar") != 0) { 	 
+		const char **mime_types; 	 
+		int i; 	 
+	 
+		mime_types = mail_config_get_allowable_mime_types(); 	 
+		for (i = 0; mime_types[i]; i++) { 	 
+			if (!g_ascii_strcasecmp(mime_types[i], mime_type)) 	 
+				goto type_ok; 	 
+		} 	 
+		return FALSE; 	 
+	} 	 
+type_ok: 	 
+	components = bonobo_activation_get_all_components_for_mime_type (mime_type); 	 
+	for (iter = components; iter; iter = iter->next) { 	 
+		Bonobo_ServerInfo *comp = iter->data; 	 
+	 
+		comp = iter->data; 	 
+		if (efhd_check_server_prop(comp, "repo_ids", "IDL:Bonobo/PersistStream:1.0") 	 
+		    && efhd_check_server_prop(comp, "bonobo:supported_mime_types", mime_type)) { 	 
+			component = comp; 	 
+			break; 	 
+		} 	 
+	}
+	
+	/* FIXME: How should I free the Bonobo_ServerInfo's ? */
+	g_list_free (components);
+	 
+	return component != NULL; 	 
+}
+
 static void
 attachment_bar_arrow_clicked(GtkWidget *w, EMFormatHTMLDisplay *efhd)
 {
@@ -2329,6 +2507,12 @@ efhd_format_attachment(EMFormat *emf, Ca
 	if (handle) {
 		if (info->shown)
 			handle->handler(emf, stream, part, handle);
+         } else if (efhd_use_component(mime_type)) { 	 
+	                 g_free(classid); /* messy */ 	 
+	  	 
+	                 classid = g_strdup_printf("bonobo-unknown:///em-format-html-display/%s", emf->part_id->str); 	 
+	                 em_format_html_add_pobject((EMFormatHTML *)emf, sizeof(EMFormatHTMLPObject), classid, part, efhd_bonobo_object); 	 
+	                 camel_stream_printf(stream, "<object classid=\"%s\" type=\"%s\"></object><br>>\n", classid, mime_type);		
 	}
 
 	g_free(classid);