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35d40887f0fb15d335f6cf206fc2526ee72def1b
evolution/mail/em-format-html-display.c

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/*
* 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; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Michael Zucchi <notzed@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <gtk/gtk.h>
#include <glib/gstdio.h>
#include <gdk/gdkkeysyms.h>
#ifdef G_OS_WIN32
/* Work around 'DATADIR' and 'interface' lossage in <windows.h> */
#define DATADIR crap_DATADIR
#include <windows.h>
#undef DATADIR
#undef interface
#endif
#include <gtkhtml/gtkhtml.h>
#include <gtkhtml/gtkhtml-embedded.h>
#include <glade/glade.h>
#include <glib/gi18n.h>
#include <camel/camel-stream.h>
#include <camel/camel-stream-filter.h>
#include <camel/camel-stream-mem.h>
#include <camel/camel-mime-filter-tohtml.h>
#include <camel/camel-mime-part.h>
#include <camel/camel-multipart.h>
#include <camel/camel-internet-address.h>
#include <camel/camel-mime-message.h>
#include <camel/camel-cipher-context.h>
#include <camel/camel-folder.h>
#include <camel/camel-string-utils.h>
#include <camel/camel-operation.h>
#include <misc/e-cursors.h>
#include <e-util/e-util.h>
#include <e-util/e-util-private.h>
#include <libedataserver/e-msgport.h>
#include "e-util/e-datetime-format.h"
#include <e-util/e-dialog-utils.h>
#include <e-util/e-icon-factory.h>
#ifdef HAVE_NSS
#include "certificate-viewer.h"
#include "e-cert-db.h"
#endif
#include "mail-config.h"
#include "e-mail-display.h"
#include "e-mail-attachment-bar.h"
#include "em-format-html-display.h"
#include "em-icon-stream.h"
#include "em-utils.h"
#include "widgets/misc/e-attachment-button.h"
#include "widgets/misc/e-attachment-view.h"
#define d(x)
#define EM_FORMAT_HTML_DISPLAY_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), EM_TYPE_FORMAT_HTML_DISPLAY, EMFormatHTMLDisplayPrivate))
struct _EMFormatHTMLDisplayPrivate {
GtkWidget *attachment_view; /* weak reference */
};
struct _smime_pobject {
EMFormatHTMLPObject object;
gint signature;
CamelCipherValidity *valid;
GtkWidget *widget;
};
/* TODO: move the dialogue elsehwere */
/* FIXME: also in em-format-html.c */
static const struct {
const gchar *icon, *shortdesc, *description;
} smime_sign_table[5] = {
{ "stock_signature-bad", N_("Unsigned"), N_("This message is not signed. There is no guarantee that this message is authentic.") },
{ "stock_signature-ok", N_("Valid signature"), N_("This message is signed and is valid meaning that it is very likely that this message is authentic.") },
{ "stock_signature-bad", N_("Invalid signature"), N_("The signature of this message cannot be verified, it may have been altered in transit.") },
{ "stock_signature", N_("Valid signature, but cannot verify sender"), N_("This message is signed with a valid signature, but the sender of the message cannot be verified.") },
{ "stock_signature-bad", N_("Signature exists, but need public key"), N_("This message is signed with a signature, but there is no corresponding public key.") },
};
static const struct {
const gchar *icon, *shortdesc, *description;
} smime_encrypt_table[4] = {
{ "stock_lock-broken", N_("Unencrypted"), N_("This message is not encrypted. Its content may be viewed in transit across the Internet.") },
{ "stock_lock-ok", N_("Encrypted, weak"), N_("This message is encrypted, but with a weak encryption algorithm. It would be difficult, but not impossible for an outsider to view the content of this message in a practical amount of time.") },
{ "stock_lock-ok", N_("Encrypted"), N_("This message is encrypted. It would be difficult for an outsider to view the content of this message.") },
{ "stock_lock-ok", N_("Encrypted, strong"), N_("This message is encrypted, with a strong encryption algorithm. It would be very difficult for an outsider to view the content of this message in a practical amount of time.") },
};
static const gchar *smime_sign_colour[5] = {
"", " bgcolor=\"#88bb88\"", " bgcolor=\"#bb8888\"", " bgcolor=\"#e8d122\"",""
};
static void efhd_attachment_frame(EMFormat *emf, CamelStream *stream, EMFormatPURI *puri);
static gboolean efhd_attachment_image(EMFormatHTML *efh, GtkHTMLEmbedded *eb, EMFormatHTMLPObject *pobject);
static void efhd_message_add_bar(EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info);
static gboolean efhd_attachment_button (EMFormatHTML *efh, GtkHTMLEmbedded *eb, EMFormatHTMLPObject *pobject);
static gboolean efhd_attachment_optional (EMFormatHTML *efh, GtkHTMLEmbedded *eb, EMFormatHTMLPObject *object);
struct _attach_puri {
EMFormatPURI puri;
const EMFormatHandler *handle;
const gchar *snoop_mime_type;
/* for the > and V buttons */
GtkWidget *forward, *down;
/* currently no way to correlate this data to the frame :( */
GtkHTML *frame;
guint shown:1;
/* Embedded Frame */
GtkHTMLEmbedded *html;
/* Attachment */
EAttachment *attachment;
/* image stuff */
gint fit_width;
gint fit_height;
GtkImage *image;
GtkWidget *event_box;
/* Optional Text Mem Stream */
CamelStreamMem *mstream;
/* Signed / Encrypted */
camel_cipher_validity_sign_t sign;
camel_cipher_validity_encrypt_t encrypt;
};
static void efhd_message_prefix(EMFormat *emf, CamelStream *stream, CamelMimePart *part, EMFormatHandler *info);
static void efhd_builtin_init(EMFormatHTMLDisplayClass *efhc);
static gpointer parent_class;
static void
efhd_xpkcs7mime_free (EMFormatHTMLPObject *o)
{
struct _smime_pobject *po = (struct _smime_pobject *)o;
if (po->widget)
gtk_widget_destroy(po->widget);
camel_cipher_validity_free(po->valid);
}
static void
efhd_xpkcs7mime_info_response (GtkWidget *widget,
guint button,
struct _smime_pobject *po)
{
gtk_widget_destroy (widget);
po->widget = NULL;
}
#ifdef HAVE_NSS
static void
efhd_xpkcs7mime_viewcert_clicked (GtkWidget *button,
struct _smime_pobject *po)
{
CamelCipherCertInfo *info = g_object_get_data((GObject *)button, "e-cert-info");
ECert *ec = NULL;
if (info->cert_data)
ec = e_cert_new (info->cert_data);
if (ec != NULL) {
GtkWidget *w = certificate_viewer_show(ec);
/* oddly enough certificate_viewer_show doesn't ... */
gtk_widget_show(w);
g_signal_connect(w, "response", G_CALLBACK(gtk_widget_destroy), NULL);
if (w && po->widget)
gtk_window_set_transient_for ((GtkWindow *)w, (GtkWindow *)po->widget);
g_object_unref(ec);
} else {
g_warning("can't find certificate for %s <%s>", info->name?info->name:"", info->email?info->email:"");
}
}
#endif
static void
efhd_xpkcs7mime_add_cert_table (GtkWidget *vbox,
CamelDList *certlist,
struct _smime_pobject *po)
{
CamelCipherCertInfo *info = (CamelCipherCertInfo *)certlist->head;
GtkTable *table = (GtkTable *)gtk_table_new(camel_dlist_length(certlist), 2, FALSE);
gint n = 0;
while (info->next) {
gchar *la = NULL;
const gchar *l = NULL;
if (info->name) {
if (info->email && strcmp(info->name, info->email) != 0)
l = la = g_strdup_printf("%s <%s>", info->name, info->email);
else
l = info->name;
} else {
if (info->email)
l = info->email;
}
if (l) {
GtkWidget *w;
#if defined(HAVE_NSS)
ECert *ec = NULL;
#endif
w = gtk_label_new(l);
gtk_misc_set_alignment((GtkMisc *)w, 0.0, 0.5);
g_free(la);
gtk_table_attach(table, w, 0, 1, n, n+1, GTK_FILL, GTK_FILL, 3, 3);
#if defined(HAVE_NSS)
w = gtk_button_new_with_mnemonic(_("_View Certificate"));
gtk_table_attach(table, w, 1, 2, n, n+1, 0, 0, 3, 3);
g_object_set_data((GObject *)w, "e-cert-info", info);
g_signal_connect(w, "clicked", G_CALLBACK(efhd_xpkcs7mime_viewcert_clicked), po);
if (info->cert_data)
ec = e_cert_new (info->cert_data);
if (ec == NULL)
gtk_widget_set_sensitive(w, FALSE);
else
g_object_unref(ec);
#else
w = gtk_label_new (_("This certificate is not viewable"));
gtk_table_attach(table, w, 1, 2, n, n+1, 0, 0, 3, 3);
#endif
n++;
}
info = info->next;
}
gtk_box_pack_start((GtkBox *)vbox, (GtkWidget *)table, TRUE, TRUE, 6);
}
static void
efhd_xpkcs7mime_validity_clicked (GtkWidget *button,
EMFormatHTMLPObject *pobject)
{
struct _smime_pobject *po = (struct _smime_pobject *)pobject;
GladeXML *xml;
GtkWidget *vbox, *w;
gchar *gladefile;
if (po->widget)
/* FIXME: window raise? */
return;
gladefile = g_build_filename (
EVOLUTION_GLADEDIR, "mail-dialogs.glade", NULL);
xml = glade_xml_new (gladefile, "message_security_dialog", NULL);
g_free (gladefile);
po->widget = glade_xml_get_widget(xml, "message_security_dialog");
vbox = glade_xml_get_widget(xml, "signature_vbox");
w = gtk_label_new (_(smime_sign_table[po->valid->sign.status].description));
gtk_misc_set_alignment((GtkMisc *)w, 0.0, 0.5);
gtk_label_set_line_wrap((GtkLabel *)w, TRUE);
gtk_box_pack_start((GtkBox *)vbox, w, TRUE, TRUE, 6);
if (po->valid->sign.description) {
GtkTextBuffer *buffer;
buffer = gtk_text_buffer_new(NULL);
gtk_text_buffer_set_text(buffer, po->valid->sign.description, strlen(po->valid->sign.description));
w = g_object_new(gtk_scrolled_window_get_type(),
"hscrollbar_policy", GTK_POLICY_AUTOMATIC,
"vscrollbar_policy", GTK_POLICY_AUTOMATIC,
"shadow_type", GTK_SHADOW_IN,
"child", g_object_new(gtk_text_view_get_type(),
"buffer", buffer,
"cursor_visible", FALSE,
"editable", FALSE,
"width_request", 500,
"height_request", 160,
NULL),
NULL);
g_object_unref(buffer);
gtk_box_pack_start((GtkBox *)vbox, w, TRUE, TRUE, 6);
}
if (!camel_dlist_empty(&po->valid->sign.signers))
efhd_xpkcs7mime_add_cert_table(vbox, &po->valid->sign.signers, po);
gtk_widget_show_all(vbox);
vbox = glade_xml_get_widget(xml, "encryption_vbox");
w = gtk_label_new(_(smime_encrypt_table[po->valid->encrypt.status].description));
gtk_misc_set_alignment((GtkMisc *)w, 0.0, 0.5);
gtk_label_set_line_wrap((GtkLabel *)w, TRUE);
gtk_box_pack_start((GtkBox *)vbox, w, TRUE, TRUE, 6);
if (po->valid->encrypt.description) {
GtkTextBuffer *buffer;
buffer = gtk_text_buffer_new(NULL);
gtk_text_buffer_set_text(buffer, po->valid->encrypt.description, strlen(po->valid->encrypt.description));
w = g_object_new(gtk_scrolled_window_get_type(),
"hscrollbar_policy", GTK_POLICY_AUTOMATIC,
"vscrollbar_policy", GTK_POLICY_AUTOMATIC,
"shadow_type", GTK_SHADOW_IN,
"child", g_object_new(gtk_text_view_get_type(),
"buffer", buffer,
"cursor_visible", FALSE,
"editable", FALSE,
"width_request", 500,
"height_request", 160,
NULL),
NULL);
g_object_unref(buffer);
gtk_box_pack_start((GtkBox *)vbox, w, TRUE, TRUE, 6);
}
if (!camel_dlist_empty(&po->valid->encrypt.encrypters))
efhd_xpkcs7mime_add_cert_table(vbox, &po->valid->encrypt.encrypters, po);
gtk_widget_show_all(vbox);
g_object_unref(xml);
g_signal_connect(po->widget, "response", G_CALLBACK(efhd_xpkcs7mime_info_response), po);
gtk_widget_show(po->widget);
}
static gboolean
efhd_xpkcs7mime_button (EMFormatHTML *efh,
GtkHTMLEmbedded *eb,
EMFormatHTMLPObject *pobject)
{
GtkWidget *container;
GtkWidget *widget;
struct _smime_pobject *po = (struct _smime_pobject *)pobject;
const gchar *icon_name;
/* FIXME: need to have it based on encryption and signing too */
if (po->valid->sign.status != 0)
icon_name = smime_sign_table[po->valid->sign.status].icon;
else
icon_name = smime_encrypt_table[po->valid->encrypt.status].icon;
container = GTK_WIDGET (eb);
widget = gtk_button_new ();
g_signal_connect (
widget, "clicked",
G_CALLBACK (efhd_xpkcs7mime_validity_clicked), pobject);
gtk_container_add (GTK_CONTAINER (container), widget);
gtk_widget_show (widget);
container = widget;
widget = gtk_image_new_from_icon_name (
icon_name, GTK_ICON_SIZE_LARGE_TOOLBAR);
gtk_container_add (GTK_CONTAINER (container), widget);
gtk_widget_show (widget);
return TRUE;
}
static void
efhd_format_clone (EMFormat *emf,
CamelFolder *folder,
const gchar *uid,
CamelMimeMessage *msg,
EMFormat *src)
{
if (emf != src)
EM_FORMAT_HTML (emf)->header_wrap_flags = 0;
/* Chain up to parent's format_clone() method. */
EM_FORMAT_CLASS (parent_class)->
format_clone (emf, folder, uid, msg, src);
}
static void
efhd_format_attachment (EMFormat *emf,
CamelStream *stream,
CamelMimePart *part,
const gchar *mime_type,
const EMFormatHandler *handle)
{
gchar *classid, *text, *html;
struct _attach_puri *info;
classid = g_strdup_printf ("attachment%s", emf->part_id->str);
info = (struct _attach_puri *) em_format_add_puri (
emf, sizeof (*info), classid, part, efhd_attachment_frame);
em_format_html_add_pobject (
EM_FORMAT_HTML (emf), sizeof (EMFormatHTMLPObject),
classid, part, efhd_attachment_button);
info->handle = handle;
info->shown = em_format_is_inline (
emf, info->puri.part_id, info->puri.part, handle);
info->snoop_mime_type = emf->snoop_mime_type;
info->attachment = e_attachment_new ();
e_attachment_set_mime_part (info->attachment, info->puri.part);
if (emf->valid) {
info->sign = emf->valid->sign.status;
info->encrypt = emf->valid->encrypt.status;
}
camel_stream_write_string (
stream, EM_FORMAT_HTML_VPAD
"<table cellspacing=0 cellpadding=0><tr><td>"
"<table width=10 cellspacing=0 cellpadding=0>"
"<tr><td></td></tr></table></td>");
camel_stream_printf (
stream, "<td><object classid=\"%s\"></object></td>", classid);
camel_stream_write_string (
stream, "<td><table width=3 cellspacing=0 cellpadding=0>"
"<tr><td></td></tr></table></td><td><font size=-1>");
/* output some info about it */
/* FIXME: should we look up mime_type from object again? */
text = em_format_describe_part (part, mime_type);
html = camel_text_to_html (
text, EM_FORMAT_HTML (emf)->text_html_flags &
CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS, 0);
camel_stream_write_string (stream, html);
g_free (html);
g_free (text);
camel_stream_write_string (
stream, "</font></td></tr><tr></table>\n"
EM_FORMAT_HTML_VPAD);
if (handle && info->shown)
handle->handler (emf, stream, part, handle);
g_free (classid);
}
static void
efhd_format_optional (EMFormat *emf,
CamelStream *fstream,
CamelMimePart *part,
CamelStream *mstream)
{
gchar *classid, *html;
struct _attach_puri *info;
CamelStream *stream;
if (CAMEL_IS_STREAM_FILTER (fstream) && ((CamelStreamFilter *) fstream)->source)
stream = ((CamelStreamFilter *) fstream)->source;
else
stream = fstream;
classid = g_strdup_printf ("optional%s", emf->part_id->str);
info = (struct _attach_puri *) em_format_add_puri (
emf, sizeof (*info), classid, part, efhd_attachment_frame);
em_format_html_add_pobject (
EM_FORMAT_HTML (emf), sizeof (EMFormatHTMLPObject),
classid, part, efhd_attachment_optional);
info->handle = em_format_find_handler (emf, "text/plain");
info->shown = FALSE;
info->snoop_mime_type = "text/plain";
info->attachment = e_attachment_new ();
e_attachment_set_mime_part (info->attachment, info->puri.part);
info->mstream = (CamelStreamMem *) mstream;
if (emf->valid) {
info->sign = emf->valid->sign.status;
info->encrypt = emf->valid->encrypt.status;
}
camel_stream_write_string (
stream, EM_FORMAT_HTML_VPAD
"<table cellspacing=0 cellpadding=0><tr><td>"
"<h3><font size=-1 color=red>");
html = camel_text_to_html (
_("Evolution cannot render this email as it is too "
"large to process. You can view it unformatted or "
"with an external text editor."),
EM_FORMAT_HTML (emf)->text_html_flags &
CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS, 0);
camel_stream_write_string (stream, html);
camel_stream_write_string (
stream, "</font></h3></td></tr></table>\n");
camel_stream_write_string (
stream, "<table cellspacing=0 cellpadding=0><tr>");
camel_stream_printf (
stream, "<td><object classid=\"%s\"></object>"
"</td></tr></table>", classid);
g_free(html);
camel_stream_write_string (
stream, EM_FORMAT_HTML_VPAD);
g_free (classid);
}
static void
efhd_format_secure (EMFormat *emf,
CamelStream *stream,
CamelMimePart *part,
CamelCipherValidity *valid)
{
EMFormatClass *format_class;
format_class = g_type_class_peek (EM_TYPE_FORMAT);
format_class->format_secure (emf, stream, part, valid);
if (emf->valid == valid
&& (valid->encrypt.status != CAMEL_CIPHER_VALIDITY_ENCRYPT_NONE
|| valid->sign.status != CAMEL_CIPHER_VALIDITY_SIGN_NONE)) {
gchar *classid;
struct _smime_pobject *pobj;
camel_stream_printf (
stream, "<table border=0 width=\"100%%\" "
"cellpadding=3 cellspacing=0%s><tr>",
smime_sign_colour[valid->sign.status]);
classid = g_strdup_printf (
"smime:///em-format-html/%s/icon/signed",
emf->part_id->str);
pobj = (struct _smime_pobject *) em_format_html_add_pobject (
EM_FORMAT_HTML (emf), sizeof (*pobj),
classid, part, efhd_xpkcs7mime_button);
pobj->valid = camel_cipher_validity_clone(valid);
pobj->object.free = efhd_xpkcs7mime_free;
camel_stream_printf (
stream, "<td valign=center><object classid=\"%s\">"
"</object></td><td width=100%% valign=center>",
classid);
g_free (classid);
if (valid->sign.status != CAMEL_CIPHER_VALIDITY_SIGN_NONE) {
const gchar *desc;
gint status;
status = valid->sign.status;
desc = smime_sign_table[status].shortdesc;
camel_stream_printf (stream, "%s", gettext (desc));
}
if (valid->encrypt.status != CAMEL_CIPHER_VALIDITY_ENCRYPT_NONE) {
const gchar *desc;
gint status;
if (valid->sign.status != CAMEL_CIPHER_VALIDITY_SIGN_NONE) {
camel_stream_printf (stream, "<br>");
}
status = valid->encrypt.status;
desc = smime_encrypt_table[status].shortdesc;
camel_stream_printf (stream, "%s", gettext (desc));
}
camel_stream_printf(stream, "</td></tr></table>");
}
}
static void
efhd_class_init (EMFormatHTMLDisplayClass *class)
{
EMFormatClass *format_class;
EMFormatHTMLClass *format_html_class;
parent_class = g_type_class_peek_parent (class);
g_type_class_add_private (class, sizeof (EMFormatHTMLDisplayPrivate));
format_class = EM_FORMAT_CLASS (class);
format_class->format_clone = efhd_format_clone;
format_class->format_attachment = efhd_format_attachment;
format_class->format_optional = efhd_format_optional;
format_class->format_secure = efhd_format_secure;
format_html_class = EM_FORMAT_HTML_CLASS (class);
format_html_class->html_widget_type = E_TYPE_MAIL_DISPLAY;
efhd_builtin_init (class);
}
static void
efhd_init (EMFormatHTMLDisplay *efhd)
{
GtkHTML *html;
html = EM_FORMAT_HTML (efhd)->html;
efhd->priv = EM_FORMAT_HTML_DISPLAY_GET_PRIVATE (efhd);
e_mail_display_set_formatter (
E_MAIL_DISPLAY (html), EM_FORMAT_HTML (efhd));
/* we want to convert url's etc */
EM_FORMAT_HTML (efhd)->text_html_flags |=
CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS |
CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES;
}
GType
em_format_html_display_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
static const GTypeInfo type_info = {
sizeof (EMFormatHTMLDisplayClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) efhd_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (EMFormatHTMLDisplay),
0, /* n_preallocs */
(GInstanceInitFunc) efhd_init,
NULL /* value_table */
};
type = g_type_register_static (
EM_TYPE_FORMAT_HTML, "EMFormatHTMLDisplay",
&type_info, 0);
}
return type;
}
EMFormatHTMLDisplay *
em_format_html_display_new (void)
{
return g_object_new (EM_TYPE_FORMAT_HTML_DISPLAY, NULL);
}
/* ********************************************************************** */
static void
efhd_image(EMFormatHTML *efh, CamelStream *stream, CamelMimePart *part, EMFormatHandler *handle)
{
gchar *classid;
struct _attach_puri *info;
classid = g_strdup_printf("image%s", ((EMFormat *)efh)->part_id->str);
info = (struct _attach_puri *)em_format_add_puri((EMFormat *)efh, sizeof(*info), classid, part, efhd_attachment_frame);
em_format_html_add_pobject(efh, sizeof(EMFormatHTMLPObject), classid, part, efhd_attachment_image);
info->handle = handle;
info->shown = TRUE;
info->snoop_mime_type = ((EMFormat *) efh)->snoop_mime_type;
if (camel_operation_cancel_check (NULL) || !info->puri.format || !((EMFormatHTML *)info->puri.format)->html) {
/* some fake value, we are cancelled anyway, thus doesn't matter */
info->fit_width = 256;
} else {
info->fit_width = ((GtkWidget *)((EMFormatHTML *)info->puri.format)->html)->allocation.width - 12;
}
camel_stream_printf(stream, "<td><object classid=\"%s\"></object></td>", classid);
g_free(classid);
}
/* ********************************************************************** */
static EMFormatHandler type_builtin_table[] = {
{ (gchar *) "image/gif", (EMFormatFunc)efhd_image },
{ (gchar *) "image/jpeg", (EMFormatFunc)efhd_image },
{ (gchar *) "image/png", (EMFormatFunc)efhd_image },
{ (gchar *) "image/x-png", (EMFormatFunc)efhd_image },
{ (gchar *) "image/tiff", (EMFormatFunc)efhd_image },
{ (gchar *) "image/x-bmp", (EMFormatFunc)efhd_image },
{ (gchar *) "image/bmp", (EMFormatFunc)efhd_image },
{ (gchar *) "image/svg", (EMFormatFunc)efhd_image },
{ (gchar *) "image/x-cmu-raster", (EMFormatFunc)efhd_image },
{ (gchar *) "image/x-ico", (EMFormatFunc)efhd_image },
{ (gchar *) "image/x-portable-anymap", (EMFormatFunc)efhd_image },
{ (gchar *) "image/x-portable-bitmap", (EMFormatFunc)efhd_image },
{ (gchar *) "image/x-portable-graymap", (EMFormatFunc)efhd_image },
{ (gchar *) "image/x-portable-pixmap", (EMFormatFunc)efhd_image },
{ (gchar *) "image/x-xpixmap", (EMFormatFunc)efhd_image },
/* This is where one adds those busted, non-registered types,
that some idiot mailer writers out there decide to pull out
of their proverbials at random. */
{ (gchar *) "image/jpg", (EMFormatFunc)efhd_image },
{ (gchar *) "image/pjpeg", (EMFormatFunc)efhd_image },
{ (gchar *) "x-evolution/message/prefix", (EMFormatFunc)efhd_message_prefix },
{ (gchar *) "x-evolution/message/post-header", (EMFormatFunc)efhd_message_add_bar }
};
static void
efhd_builtin_init(EMFormatHTMLDisplayClass *efhc)
{
gint i;
for (i=0;i<sizeof(type_builtin_table)/sizeof(type_builtin_table[0]);i++)
em_format_class_add_handler((EMFormatClass *)efhc, &type_builtin_table[i]);
}
static void
efhd_write_image(EMFormat *emf, CamelStream *stream, EMFormatPURI *puri)
{
CamelDataWrapper *dw = camel_medium_get_content_object((CamelMedium *)puri->part);
/* TODO: identical to efh_write_image */
d(printf("writing image '%s'\n", puri->cid));
camel_data_wrapper_decode_to_stream(dw, stream);
camel_stream_close(stream);
}
static void
efhd_message_prefix(EMFormat *emf, CamelStream *stream, CamelMimePart *part, EMFormatHandler *info)
{
const gchar *flag, *comp, *due;
time_t date;
gchar *iconpath, *due_date_str;
if (emf->folder == NULL || emf->uid == NULL
|| (flag = camel_folder_get_message_user_tag(emf->folder, emf->uid, "follow-up")) == NULL
|| flag[0] == 0)
return;
/* header displayed for message-flags in mail display */
camel_stream_printf(stream, "<table border=1 width=\"100%%\" cellspacing=2 cellpadding=2><tr>");
comp = camel_folder_get_message_user_tag(emf->folder, emf->uid, "completed-on");
iconpath = e_icon_factory_get_icon_filename (comp && comp[0] ? "stock_flag-for-followup-done" : "stock_flag-for-followup", GTK_ICON_SIZE_MENU);
if (iconpath) {
CamelMimePart *iconpart;
iconpart = em_format_html_file_part((EMFormatHTML *)emf, "image/png", iconpath);
g_free (iconpath);
if (iconpart) {
gchar *classid;
classid = g_strdup_printf("icon:///em-format-html-display/%s/%s", emf->part_id->str, comp&&comp[0]?"comp":"uncomp");
camel_stream_printf(stream, "<td align=\"left\"><img src=\"%s\"></td>", classid);
(void)em_format_add_puri(emf, sizeof(EMFormatPURI), classid, iconpart, efhd_write_image);
g_free(classid);
camel_object_unref(iconpart);
}
}
camel_stream_printf(stream, "<td align=\"left\" width=\"100%%\">");
if (comp && comp[0]) {
date = camel_header_decode_date (comp, NULL);
due_date_str = e_datetime_format_format ("mail", "header", DTFormatKindDateTime, date);
camel_stream_printf (stream, "%s, %s %s", flag, _("Completed on"), due_date_str ? due_date_str : "???");
g_free (due_date_str);
} else if ((due = camel_folder_get_message_user_tag(emf->folder, emf->uid, "due-by")) != NULL && due[0]) {
time_t now;
date = camel_header_decode_date(due, NULL);
now = time(NULL);
if (now > date)
camel_stream_printf(stream, "<b>%s</b>&nbsp;", _("Overdue:"));
due_date_str = e_datetime_format_format ("mail", "header", DTFormatKindDateTime, date);
/* To Translators: the "by" is part of the string, like "Follow-up by Tuesday, January 13, 2009" */
camel_stream_printf (stream, "%s %s %s", flag, _("by"), due_date_str ? due_date_str : "???");
} else {
camel_stream_printf(stream, "%s", flag);
}
camel_stream_printf(stream, "</td></tr></table>");
}
/* ********************************************************************** */
/* Checks on the widget whether it can be processed, based on the
* state of EMFormatHTML. The widget should have set "efh" data as
* the EMFormatHTML instance. */
static gboolean
efhd_can_process_attachment (GtkWidget *button)
{
EMFormatHTML *efh;
if (!button)
return FALSE;
efh = g_object_get_data (G_OBJECT (button), "efh");
return efh && efh->state != EM_FORMAT_HTML_STATE_RENDERING;
}
static void
efhd_attachment_button_expanded (GtkWidget *widget,
GParamSpec *pspec,
struct _attach_puri *info)
{
if (!efhd_can_process_attachment (widget))
return;
info->shown = ~info->shown;
em_format_set_inline (
info->puri.format, info->puri.part_id, info->shown);
}
/* ********************************************************************** */
static void
efhd_drag_data_get(GtkWidget *w, GdkDragContext *drag, GtkSelectionData *data, guint info, guint time, EMFormatHTMLPObject *pobject)
{
CamelMimePart *part = pobject->part;
gchar *uri, *uri_crlf, *path;
CamelStream *stream;
switch (info) {
case 0: /* mime/type request */
stream = camel_stream_mem_new();
/* TODO: shoudl format_format_text run on the content-object? */
/* TODO: should we just do format_content? */
if (camel_content_type_is (((CamelDataWrapper *)part)->mime_type, "text", "*")) {
/* FIXME: this should be an em_utils method, it only needs a default charset param */
em_format_format_text((EMFormat *)pobject->format, stream, (CamelDataWrapper *)part);
} else {
CamelDataWrapper *dw = camel_medium_get_content_object((CamelMedium *)part);
camel_data_wrapper_decode_to_stream(dw, stream);
}
gtk_selection_data_set(data, data->target, 8,
((CamelStreamMem *)stream)->buffer->data,
((CamelStreamMem *)stream)->buffer->len);
camel_object_unref(stream);
break;
case 1: /* text-uri-list request */
/* Kludge around Nautilus requesting the same data many times */
uri = g_object_get_data((GObject *)w, "e-drag-uri");
if (uri) {
gtk_selection_data_set(data, data->target, 8, (guchar *)uri, strlen(uri));
return;
}
path = em_utils_temp_save_part(w, part, FALSE);
if (path == NULL)
return;
uri = g_filename_to_uri(path, NULL, NULL);
g_free(path);
uri_crlf = g_strconcat(uri, "\r\n", NULL);
g_free(uri);
gtk_selection_data_set(data, data->target, 8, (guchar *)uri_crlf, strlen(uri_crlf));
g_object_set_data_full((GObject *)w, "e-drag-uri", uri_crlf, g_free);
break;
default:
abort();
}
}
static void
efhd_drag_data_delete(GtkWidget *w, GdkDragContext *drag, EMFormatHTMLPObject *pobject)
{
gchar *uri;
uri = g_object_get_data((GObject *)w, "e-drag-uri");
if (uri) {
/* NB: this doesn't kill the dnd directory */
/* NB: is this ever called? */
/* NB even more: doesn't the e-drag-uri have \r\n
* appended? (see efhd_drag_data_get())
*/
gchar *filename = g_filename_from_uri (uri, NULL, NULL);
g_unlink(filename);
g_free(filename);
g_object_set_data((GObject *)w, "e-drag-uri", NULL);
}
}
static void
efhd_write_icon_job(struct _EMFormatHTMLJob *job, gint cancelled)
{
EMFormatHTMLPObject *pobject;
CamelDataWrapper *dw;
if (cancelled)
return;
pobject = job->u.data;
dw = camel_medium_get_content_object((CamelMedium *)pobject->part);
camel_data_wrapper_decode_to_stream(dw, job->stream);
camel_stream_close(job->stream);
}
static void
efhd_image_resized(GtkWidget *w, GtkAllocation *event, struct _attach_puri *info)
{
GdkPixbuf *pb;
gint width;
if (info->fit_width == 0)
return;
width = ((GtkWidget *)((EMFormatHTML *)info->puri.format)->html)->allocation.width - 12;
if (info->fit_width == width)
return;
info->fit_width = width;
pb = em_icon_stream_get_image(info->puri.cid, info->fit_width, info->fit_height);
if (pb) {
gtk_image_set_from_pixbuf(info->image, pb);
g_object_unref(pb);
}
}
static void
efhd_change_cursor(GtkWidget *w, GdkEventCrossing *event, struct _attach_puri *info)
{
if (info->shown && info->image) {
if (info->fit_width != 0) {
if (em_icon_stream_is_resized(info->puri.cid, info->fit_width, info->fit_height))
e_cursor_set(w->window, E_CURSOR_ZOOM_IN);
}
}
}
static void
efhd_image_fit_width(GtkWidget *widget, GdkEventButton *event, struct _attach_puri *info)
{
gint width;
width = ((GtkWidget *)((EMFormatHTML *)info->puri.format)->html)->allocation.width - 12;
if (info->shown && info->image) {
if (info->fit_width != 0) {
if (em_icon_stream_is_resized(info->puri.cid, info->fit_width, info->fit_height)) {
if (info->fit_width != width) {
info->fit_width = width;
e_cursor_set (widget->window, E_CURSOR_ZOOM_IN);
} else {
info->fit_width = 0;
e_cursor_set(widget->window, E_CURSOR_ZOOM_OUT);
}
}
} else {
info->fit_width = width;
e_cursor_set (widget->window, E_CURSOR_ZOOM_IN);
}
}
gtk_image_set_from_pixbuf(info->image, em_icon_stream_get_image(info->puri.cid, info->fit_width, info->fit_height));
}
/* When the puri gets freed in the formatter thread and if the image is resized, crash will happen
See bug #333864 So while freeing the puri, we disconnect the image attach resize attached with
the puri */
static void
efhd_image_unallocate (struct _EMFormatPURI * puri)
{
struct _attach_puri *info = (struct _attach_puri *) puri;
g_signal_handlers_disconnect_by_func(info->html, efhd_image_resized, info);
g_signal_handlers_disconnect_by_func(info->event_box, efhd_change_cursor, info);
g_signal_handlers_disconnect_by_func(info->event_box, efhd_image_fit_width, info);
}
static gboolean
efhd_attachment_image(EMFormatHTML *efh, GtkHTMLEmbedded *eb, EMFormatHTMLPObject *pobject)
{
GtkWidget *box;
EMFormatHTMLJob *job;
struct _attach_puri *info;
GdkPixbuf *pixbuf;
GtkTargetEntry drag_types[] = {
{ NULL, 0, 0 },
{ (gchar *) "text/uri-list", 0, 1 },
};
gchar *simple_type;
info = (struct _attach_puri *)em_format_find_puri((EMFormat *)efh, pobject->classid);
info->image = (GtkImage *)gtk_image_new();
info->html = eb;
info->puri.free = efhd_image_unallocate;
pixbuf = em_icon_stream_get_image(pobject->classid, info->fit_width, info->fit_height);
if (pixbuf) {
gtk_image_set_from_pixbuf(info->image, pixbuf);
g_object_unref(pixbuf);
} else {
job = em_format_html_job_new(efh, efhd_write_icon_job, pobject);
job->stream = (CamelStream *)em_icon_stream_new((GtkImage *)info->image, pobject->classid, info->fit_width, info->fit_height, TRUE);
em_format_html_job_queue(efh, job);
}
box = gtk_event_box_new();
info->event_box = box;
gtk_container_add((GtkContainer *)box, (GtkWidget *)info->image);
gtk_widget_show_all(box);
gtk_container_add((GtkContainer *)eb, box);
g_signal_connect(eb, "size_allocate", G_CALLBACK(efhd_image_resized), info);
simple_type = camel_content_type_simple(((CamelDataWrapper *)pobject->part)->mime_type);
camel_strdown(simple_type);
drag_types[0].target = simple_type;
gtk_drag_source_set(box, GDK_BUTTON1_MASK, drag_types, sizeof(drag_types)/sizeof(drag_types[0]), GDK_ACTION_COPY);
g_free(simple_type);
g_signal_connect(box, "drag-data-get", G_CALLBACK(efhd_drag_data_get), pobject);
g_signal_connect (box, "drag-data-delete", G_CALLBACK(efhd_drag_data_delete), pobject);
g_signal_connect(box, "enter-notify-event", G_CALLBACK(efhd_change_cursor), info);
g_signal_connect(box, "button-press-event", G_CALLBACK(efhd_image_fit_width), info);
g_object_set_data (G_OBJECT (box), "efh", efh);
return TRUE;
}
/* attachment button callback */
static gboolean
efhd_attachment_button(EMFormatHTML *efh, GtkHTMLEmbedded *eb, EMFormatHTMLPObject *pobject)
{
EMFormatHTMLDisplay *efhd = (EMFormatHTMLDisplay *)efh;
struct _attach_puri *info;
EAttachmentView *view;
EAttachmentStore *store;
EAttachment *attachment;
GtkWidget *widget;
gpointer parent;
/* FIXME: handle default shown case */
d(printf("adding attachment button/content\n"));
info = (struct _attach_puri *)em_format_find_puri((EMFormat *)efh, pobject->classid);
if (!info || info->forward) {
g_warning ("unable to expand the attachment\n");
return TRUE;
}
attachment = info->attachment;
e_attachment_set_shown (attachment, info->shown);
e_attachment_set_signed (attachment, info->sign);
e_attachment_set_encrypted (attachment, info->encrypt);
e_attachment_set_can_show (attachment, info->handle != NULL);
parent = gtk_widget_get_toplevel (GTK_WIDGET (efh->html));
parent = GTK_WIDGET_TOPLEVEL (parent) ? parent : NULL;
view = E_ATTACHMENT_VIEW (efhd->priv->attachment_view);
gtk_widget_show (efhd->priv->attachment_view);
store = e_attachment_view_get_store (view);
e_attachment_store_add_attachment (store, info->attachment);
e_attachment_load_async (
info->attachment, (GAsyncReadyCallback)
e_attachment_load_handle_error, parent);
widget = e_attachment_button_new (view);
e_attachment_button_set_attachment (
E_ATTACHMENT_BUTTON (widget), attachment);
gtk_container_add (GTK_CONTAINER (eb), widget);
gtk_widget_show (widget);
g_object_set_data (G_OBJECT (widget), "efh", efh);
g_signal_connect (
widget, "notify::expanded",
G_CALLBACK (efhd_attachment_button_expanded), info);
return TRUE;
}
static void
efhd_attachment_frame (EMFormat *emf,
CamelStream *stream,
EMFormatPURI *puri)
{
struct _attach_puri *info = (struct _attach_puri *)puri;
if (info->shown)
info->handle->handler (
emf, stream, info->puri.part, info->handle);
camel_stream_close (stream);
}
static void
efhd_bar_resize (EMFormatHTML *efh,
GtkAllocation *event)
{
EMFormatHTMLDisplayPrivate *priv;
GtkWidget *widget;
gint width;
priv = EM_FORMAT_HTML_DISPLAY_GET_PRIVATE (efh);
widget = GTK_WIDGET (efh->html);
width = widget->allocation.width - 12;
if (width > 0) {
widget = priv->attachment_view;
gtk_widget_set_size_request (widget, width, -1);
}
}
static gboolean
efhd_add_bar (EMFormatHTML *efh,
GtkHTMLEmbedded *eb,
EMFormatHTMLPObject *pobject)
{
EMFormatHTMLDisplayPrivate *priv;
GtkWidget *widget;
/* XXX See note in efhd_message_add_bar(). */
if (!EM_IS_FORMAT_HTML_DISPLAY (efh))
return FALSE;
priv = EM_FORMAT_HTML_DISPLAY_GET_PRIVATE (efh);
widget = e_mail_attachment_bar_new ();
gtk_container_add (GTK_CONTAINER (eb), widget);
priv->attachment_view = widget;
gtk_widget_hide (widget);
g_signal_connect_swapped (
eb, "size-allocate",
G_CALLBACK (efhd_bar_resize), efh);
return TRUE;
}
static void
efhd_message_add_bar (EMFormat *emf,
CamelStream *stream,
CamelMimePart *part,
const EMFormatHandler *info)
{
const gchar *classid = "attachment-bar";
/* XXX Apparently this installs the callback for -all-
* EMFormatHTML subclasses, not just this subclass.
* Bad idea. So we have to filter out other types
* in the callback. */
em_format_html_add_pobject (
EM_FORMAT_HTML (emf),
sizeof (EMFormatHTMLPObject),
classid, part, efhd_add_bar);
camel_stream_printf (
stream, "<td><object classid=\"%s\"></object></td>", classid);
}
static void
efhd_optional_button_show (GtkWidget *widget, GtkWidget *w)
{
GtkWidget *label = g_object_get_data (G_OBJECT (widget), "text-label");
if (GTK_WIDGET_VISIBLE (w)) {
gtk_widget_hide (w);
gtk_label_set_text_with_mnemonic (GTK_LABEL (label), _("View _Unformatted"));
} else {
gtk_label_set_text_with_mnemonic (GTK_LABEL (label), _("Hide _Unformatted"));
gtk_widget_show (w);
}
}
static void
efhd_resize (GtkWidget *w, GtkAllocation *event, EMFormatHTML *efh)
{
gtk_widget_set_size_request (w, ((GtkWidget *)efh->html)->allocation.width-48, 250);
}
/* optional render attachment button callback */
static gboolean
efhd_attachment_optional(EMFormatHTML *efh, GtkHTMLEmbedded *eb, EMFormatHTMLPObject *pobject)
{
struct _attach_puri *info;
GtkWidget *hbox, *vbox, *button, *mainbox, *scroll, *label, *img;
AtkObject *a11y;
GtkWidget *view;
GtkTextBuffer *buffer;
/* FIXME: handle default shown case */
d(printf("adding attachment button/content for optional rendering\n"));
info = (struct _attach_puri *)em_format_find_puri((EMFormat *)efh, pobject->classid);
if (!info || info->forward) {
g_warning ("unable to expand the attachment\n");
return TRUE;
}
scroll = gtk_scrolled_window_new (NULL, NULL);
mainbox = gtk_hbox_new(FALSE, 0);
button = gtk_button_new();
hbox = gtk_hbox_new (FALSE, 0);
img = gtk_image_new_from_icon_name (
"stock_show-all", GTK_ICON_SIZE_BUTTON);
label = gtk_label_new_with_mnemonic(_("View _Unformatted"));
g_object_set_data (G_OBJECT (button), "text-label", (gpointer)label);
gtk_box_pack_start (GTK_BOX (hbox), img, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 2);
gtk_widget_show_all (hbox);
gtk_container_add (GTK_CONTAINER (button), GTK_WIDGET (hbox));
if (info->handle)
g_signal_connect(G_OBJECT (button), "clicked", G_CALLBACK(efhd_optional_button_show), scroll);
else {
gtk_widget_set_sensitive(button, FALSE);
GTK_WIDGET_UNSET_FLAGS(button, GTK_CAN_FOCUS);
}
vbox = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start(GTK_BOX (mainbox), button, FALSE, FALSE, 6);
button = gtk_button_new();
hbox = gtk_hbox_new (FALSE, 0);
img = gtk_image_new_from_stock (
GTK_STOCK_OPEN, GTK_ICON_SIZE_BUTTON);
label = gtk_label_new_with_mnemonic(_("O_pen With"));
gtk_box_pack_start (GTK_BOX (hbox), img, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (hbox), gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_NONE), TRUE, TRUE, 2);
gtk_widget_show_all (hbox);
gtk_container_add (GTK_CONTAINER (button), GTK_WIDGET (hbox));
a11y = gtk_widget_get_accessible (button);
atk_object_set_name (a11y, _("Attachment"));
gtk_box_pack_start(GTK_BOX (mainbox), button, FALSE, FALSE, 6);
gtk_widget_show_all(mainbox);
gtk_box_pack_start(GTK_BOX (vbox), mainbox, FALSE, FALSE, 6);
view = gtk_text_view_new ();
gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW (view));
gtk_text_buffer_set_text (buffer, (gchar *)info->mstream->buffer->data, info->mstream->buffer->len);
camel_object_unref(info->mstream);
info->mstream = NULL;
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroll),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scroll), GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (scroll), GTK_WIDGET (view));
gtk_box_pack_start(GTK_BOX (vbox), scroll, TRUE, TRUE, 6);
gtk_widget_show (GTK_WIDGET(view));
gtk_widget_set_size_request (scroll, (GTK_WIDGET (efh->html))->allocation.width - 48, 250);
g_signal_connect (scroll, "size_allocate", G_CALLBACK(efhd_resize), efh);
gtk_widget_show (scroll);
if (!info->shown)
gtk_widget_hide (scroll);
gtk_widget_show (vbox);
gtk_container_add(GTK_CONTAINER (eb), vbox);
info->handle = NULL;
return TRUE;
}
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