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/*
* e-mail-formatter-quote.c
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "e-mail-formatter-quote.h"
#include <camel/camel.h>
#include "e-mail-formatter-utils.h"
#include "e-mail-part.h"
#include "e-mail-part-attachment.h"
#include "e-mail-part-utils.h"
#include <libebackend/libebackend.h>
#include <gdk/gdk.h>
#include <glib/gi18n.h>
#define E_MAIL_FORMATTER_QUOTE_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_MAIL_FORMATTER_QUOTE, EMailFormatterQuotePrivate))
struct _EMailFormatterQuotePrivate {
gchar *credits;
EMailFormatterQuoteFlags flags;
};
/* internal formatter extensions */
GType e_mail_formatter_quote_attachment_get_type (void);
GType e_mail_formatter_quote_headers_get_type (void);
GType e_mail_formatter_quote_message_rfc822_get_type (void);
GType e_mail_formatter_quote_text_enriched_get_type (void);
GType e_mail_formatter_quote_text_html_get_type (void);
GType e_mail_formatter_quote_text_plain_get_type (void);
void e_mail_formatter_quote_internal_extensions_load (EMailExtensionRegistry *ereg);
static gpointer e_mail_formatter_quote_parent_class = 0;
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
e_mail_formatter_quote_init (EMailFormatterQuote *formatter)
{
formatter->priv = E_MAIL_FORMATTER_QUOTE_GET_PRIVATE (formatter);
}
static void
e_mail_formatter_quote_finalize (GObject *object)
{
/* Chain up to parent's finalize() */
G_OBJECT_CLASS (e_mail_formatter_quote_parent_class)->finalize (object);
}
static void
e_mail_formatter_quote_base_init (EMailFormatterQuoteClass *class)
{
/* Register internal extensions. */
g_type_ensure (e_mail_formatter_quote_attachment_get_type ());
g_type_ensure (e_mail_formatter_quote_headers_get_type ());
g_type_ensure (e_mail_formatter_quote_message_rfc822_get_type ());
g_type_ensure (e_mail_formatter_quote_text_enriched_get_type ());
g_type_ensure (e_mail_formatter_quote_text_html_get_type ());
g_type_ensure (e_mail_formatter_quote_text_plain_get_type ());
e_mail_formatter_extension_registry_load (
E_MAIL_FORMATTER_CLASS (class)->extension_registry,
E_TYPE_MAIL_FORMATTER_QUOTE_EXTENSION);
E_MAIL_FORMATTER_CLASS (class)->text_html_flags =
CAMEL_MIME_FILTER_TOHTML_PRE |
CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS |
CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES;
}
static void
e_mail_formatter_quote_class_init (EMailFormatterQuoteClass *class)
{
GObjectClass *object_class;
EMailFormatterClass *formatter_class;
e_mail_formatter_quote_parent_class = g_type_class_peek_parent (class);
g_type_class_add_private (class, sizeof (EMailFormatterQuotePrivate));
formatter_class = E_MAIL_FORMATTER_CLASS (class);
formatter_class->context_size = sizeof (EMailFormatterQuoteContext);
formatter_class->run = mail_formatter_quote_run;
object_class = G_OBJECT_CLASS (class);
object_class->finalize = e_mail_formatter_quote_finalize;
}
GType
e_mail_formatter_quote_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
const GTypeInfo type_info = {
sizeof (EMailFormatterClass),
(GBaseInitFunc) e_mail_formatter_quote_base_init,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) e_mail_formatter_quote_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (EMailFormatterQuote),
0, /* n_preallocs */
(GInstanceInitFunc) e_mail_formatter_quote_init,
NULL /* value_table */
};
type = g_type_register_static (
E_TYPE_MAIL_FORMATTER,
"EMailFormatterQuote", &type_info, 0);
}
return type;
}
EMailFormatter *
e_mail_formatter_quote_new (const gchar *credits,
EMailFormatterQuoteFlags flags)
{
EMailFormatterQuote *formatter;
formatter = g_object_new (E_TYPE_MAIL_FORMATTER_QUOTE, NULL);
formatter->priv->credits = g_strdup (credits);
formatter->priv->flags = flags;
return (EMailFormatter *) formatter;
}
/* ------------------------------------------------------------------------- */
G_DEFINE_ABSTRACT_TYPE (
EMailFormatterQuoteExtension,
e_mail_formatter_quote_extension,
E_TYPE_MAIL_FORMATTER_EXTENSION)
static void
e_mail_formatter_quote_extension_class_init (EMailFormatterQuoteExtensionClass *class)
{
}
static void
e_mail_formatter_quote_extension_init (EMailFormatterQuoteExtension *extension)
{
}
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