static gboolean
emfe_text_enriched_format (EMailFormatterExtension *extension,
                           EMailFormatter *formatter,
                           EMailFormatterContext *context,
                           EMailPart *part,
                           GOutputStream *stream,
                           GCancellable *cancellable)
{
	GOutputStream *filtered_stream;
	CamelMimeFilter *filter;
	const gchar *mime_type;
	const gchar *string;
	gchar *str;
	guint32 filter_flags = 0;

	if (g_cancellable_is_cancelled (cancellable))
		return FALSE;

	mime_type = e_mail_part_get_mime_type (part);

	if (g_strcmp0 (mime_type, "text/richtext") == 0)
		filter_flags = CAMEL_MIME_FILTER_ENRICHED_IS_RICHTEXT;

	filter = camel_mime_filter_enriched_new (filter_flags);
	filtered_stream = camel_filter_output_stream_new (stream, filter);
	g_filter_output_stream_set_close_base_stream (
		G_FILTER_OUTPUT_STREAM (filtered_stream), FALSE);
	g_object_unref (filter);

	str = g_strdup_printf (
		"<div class=\"part-container -e-mail-formatter-frame-color %s"
		"-e-web-view-background-color -e-web-view-text-color\">"
		"<div class=\"part-container-inner-margin\">\n",
		e_mail_part_get_frame_security_style (part));

	g_output_stream_write_all (
		stream, str, strlen (str), NULL, cancellable, NULL);
	g_free (str);

	e_mail_formatter_format_text (
		formatter, part, filtered_stream, cancellable);
	g_output_stream_flush (filtered_stream, cancellable, NULL);

	g_object_unref (filtered_stream);

	string = "</div></div>";

	g_output_stream_write_all (
		stream, string, strlen (string), NULL, cancellable, NULL);

	return TRUE;
}
static void
mail_formatter_quote_run (EMailFormatter *formatter,
                          EMailFormatterContext *context,
                          GOutputStream *stream,
                          GCancellable *cancellable)
{
	EMailFormatterQuote *qf;
	EMailFormatterQuoteContext *qf_context;
	GQueue queue = G_QUEUE_INIT;
	GList *head, *link;
	const gchar *string;

	if (g_cancellable_is_cancelled (cancellable))
		return;

	qf = E_MAIL_FORMATTER_QUOTE (formatter);

	qf_context = (EMailFormatterQuoteContext *) context;
	qf_context->qf_flags = qf->priv->flags;

	g_seekable_seek (
		G_SEEKABLE (stream),
		0, G_SEEK_SET, NULL, NULL);

	e_mail_part_list_queue_parts (context->part_list, NULL, &queue);

	head = g_queue_peek_head_link (&queue);

	for (link = head; link != NULL; link = g_list_next (link)) {
		EMailPart *part = E_MAIL_PART (link->data);
		const gchar *mime_type;

		if (e_mail_part_id_has_suffix (part, ".headers") &&
		   !(qf_context->qf_flags & E_MAIL_FORMATTER_QUOTE_FLAG_HEADERS)) {
			continue;
		}

		if (e_mail_part_id_has_suffix (part, ".rfc822")) {
			link = e_mail_formatter_find_rfc822_end_iter (link);
			continue;
		}

		if (part->is_hidden)
			continue;

		if (e_mail_part_get_is_attachment (part))
			continue;

		mime_type = e_mail_part_get_mime_type (part);

		e_mail_formatter_format_as (
			formatter, context, part, stream,
			mime_type, cancellable);
	}

	while (!g_queue_is_empty (&queue))
		g_object_unref (g_queue_pop_head (&queue));

	/* Before we were inserting the BR elements and the credits in front of
	 * the actual HTML code of the message. But this was wrong as when WebKit
	 * was loading the given HTML code that looked like
	 * <br>CREDITS<html>MESSAGE_CODE</html> WebKit parsed it like
	 * <html><br>CREDITS</html><html>MESSAGE_CODE</html>. As no elements are
	 * allowed outside of the HTML root element WebKit wrapped them into
	 * another HTML root element. Afterwards the first root element was
	 * treated as the primary one and all the elements from the second's root
	 * HEAD and BODY elements were moved to the first one.
	 * Thus the HTML that was loaded into composer contained the i.e. META
	 * or STYLE definitions in the body.
	 * So if we want to put something into the message we have to put it into
	 * the special span element and it will be moved to body in EHTMLEditorView */
	if (qf->priv->credits && *qf->priv->credits) {
		gchar *credits = g_strdup_printf (
			"<span class=\"-x-evo-to-body\"><pre>%s</pre></span>", qf->priv->credits);
		g_output_stream_write_all (
			stream, credits, strlen (credits),
			NULL, cancellable, NULL);
		g_free (credits);
	}

	/* If we want to cite the message we have to append the special span element
	 * after the message and cite it in EHTMLEditorView because of reasons
	 * mentioned above */
	if (qf->priv->flags & E_MAIL_FORMATTER_QUOTE_FLAG_CITE) {
		string = "<span class=\"-x-evo-cite-body\"><span>";
		g_output_stream_write_all (
			stream, string, strlen (string),
			NULL, cancellable, NULL);
	}
}
static void
mail_formatter_print_run (EMailFormatter *formatter,
                          EMailFormatterContext *context,
                          GOutputStream *stream,
                          GCancellable *cancellable)
{
	GQueue queue = G_QUEUE_INIT;
	GQueue attachments = G_QUEUE_INIT;
	GList *head, *link;
	const gchar *string;

	context->mode = E_MAIL_FORMATTER_MODE_PRINTING;

	string =
		"<!DOCTYPE HTML>\n"
		"<html>\n"
		"<head>\n"
		"<meta name=\"generator\" content=\"Evolution Mail\" />\n"
		"<title>Evolution Mail Display</title>\n"
		"<link type=\"text/css\" rel=\"stylesheet\" "
		"      media=\"print\" href=\"" STYLESHEET_URI "/>\n"
		"</head>\n"
		"<body style=\"background: #FFF; color: #000;\">";

	g_output_stream_write_all (
		stream, string, strlen (string), NULL, cancellable, NULL);

	e_mail_part_list_queue_parts (context->part_list, NULL, &queue);

	head = g_queue_peek_head_link (&queue);

	for (link = head; link != NULL; link = g_list_next (link)) {
		EMailPart *part = E_MAIL_PART (link->data);
		const gchar *mime_type;
		gboolean ok;

		if (g_cancellable_is_cancelled (cancellable))
			break;

		if (part->is_hidden && !part->is_error) {
			if (e_mail_part_id_has_suffix (part, ".rfc822")) {
				link = e_mail_formatter_find_rfc822_end_iter (link);
			}

			continue;
		}

		mime_type = e_mail_part_get_mime_type (part);
		if (mime_type == NULL)
			continue;

		if (e_mail_part_get_is_attachment (part)) {
			if (e_mail_part_get_cid (part) != NULL)
				continue;

			g_queue_push_tail (&attachments, part);
		}

		ok = e_mail_formatter_format_as (
			formatter, context, part, stream,
			mime_type, cancellable);

		/* If the written part was message/rfc822 then
		 * jump to the end of the message, because content
		 * of the whole message has been formatted by
		 * message_rfc822 formatter */
		if (ok && e_mail_part_id_has_suffix (part, ".rfc822")) {
			link = e_mail_formatter_find_rfc822_end_iter (link);

			continue;
		}
	}

	while (!g_queue_is_empty (&queue))
		g_object_unref (g_queue_pop_head (&queue));

	/* This consumes the attachments queue. */
	if (!g_queue_is_empty (&attachments))
		mail_formatter_print_write_attachments (
			formatter, &attachments,
			stream, cancellable);

	string = "</body></html>";

	g_output_stream_write_all (
		stream, string, strlen (string),
		NULL, cancellable, NULL);
}
Example #4
0
static gboolean
emfe_image_format (EMailFormatterExtension *extension,
                   EMailFormatter *formatter,
                   EMailFormatterContext *context,
                   EMailPart *part,
                   GOutputStream *stream,
                   GCancellable *cancellable)
{
	gchar *content;
	CamelMimePart *mime_part;
	CamelDataWrapper *dw;
	GBytes *bytes;
	GOutputStream *raw_content;

	if (g_cancellable_is_cancelled (cancellable))
		return FALSE;

	mime_part = e_mail_part_ref_mime_part (part);
	dw = camel_medium_get_content (CAMEL_MEDIUM (mime_part));
	g_return_val_if_fail (dw, FALSE);

	raw_content = g_memory_output_stream_new_resizable ();
	camel_data_wrapper_decode_to_output_stream_sync (
		dw, raw_content, cancellable, NULL);
	g_output_stream_close (raw_content, NULL, NULL);

	bytes = g_memory_output_stream_steal_as_bytes (
		G_MEMORY_OUTPUT_STREAM (raw_content));

	if (context->mode == E_MAIL_FORMATTER_MODE_RAW) {

		if (!e_mail_formatter_get_animate_images (formatter)) {

			gchar *buff;
			gsize len;

			e_mail_part_animation_extract_frame (
				bytes, &buff, &len);

			g_output_stream_write_all (
				stream, buff, len, NULL, cancellable, NULL);

			g_free (buff);

		} else {
			gconstpointer data;
			gsize size;

			data = g_bytes_get_data (bytes, &size);

			g_output_stream_write_all (
				stream, data, size, NULL, cancellable, NULL);
		}

	} else {
		gchar *buffer;
		const gchar *mime_type;

		if (!e_mail_formatter_get_animate_images (formatter)) {

			gchar *buff;
			gsize len;

			e_mail_part_animation_extract_frame (
				bytes, &buff, &len);

			content = g_base64_encode ((guchar *) buff, len);
			g_free (buff);

		} else {
			gconstpointer data;
			gsize size;

			data = g_bytes_get_data (bytes, &size);
			content = g_base64_encode (data, size);
		}

		mime_type = e_mail_part_get_mime_type (part);
		if (mime_type == NULL)
			mime_type = "image/*";

		/* The image is already base64-encrypted so we can directly
		 * paste it to the output */
		buffer = g_strdup_printf (
			"<img src=\"data:%s;base64,%s\" "
			"     style=\"max-width: 100%%;\" />",
			mime_type, content);

		g_output_stream_write_all (
			stream, buffer, strlen (buffer),
			NULL, cancellable, NULL);

		g_free (buffer);
		g_free (content);
	}

	g_bytes_unref (bytes);

	g_object_unref (raw_content);

	g_object_unref (mime_part);

	return TRUE;
}