/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Michael Zucchi <notzed@ximian.com>
*
* Copyright 2003 Ximian, Inc. (www.ximian.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <gtkhtml/gtkhtml.h>
#include <gtkhtml/htmlengine.h>
#include <gtkhtml/htmlobject.h>
#include <gtkhtml/htmliframe.h>
#include <gtkhtml/htmlinterval.h>
#include <gtkhtml/gtkhtml-embedded.h>
#include <gtkhtml/gtkhtml-search.h>
#include <gtk/gtkvbox.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtkbutton.h>
#include <gtk/gtkstock.h>
#include <gtk/gtkimage.h>
#include <gtk/gtkarrow.h>
#include <gtk/gtkmenu.h>
#include <gtk/gtkmenuitem.h>
#include <glade/glade.h>
#include <libgnomevfs/gnome-vfs-mime-handlers.h>
#if 0
#include <libgnomevfs/gnome-vfs-utils.h>
#include <libgnomevfs/gnome-vfs-mime-utils.h>
#include <libgnomevfs/gnome-vfs-mime.h>
#endif
#include <bonobo/bonobo-control-frame.h>
#include <bonobo/bonobo-stream-memory.h>
#include <bonobo/bonobo-widget.h>
#include <camel/camel-stream.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-multipart-signed.h>
#include <camel/camel-internet-address.h>
#include <camel/camel-mime-message.h>
#include <camel/camel-gpg-context.h>
#include <e-util/e-msgport.h>
#include <e-util/e-gui-utils.h>
#include <e-util/e-dialog-utils.h>
#include "mail-config.h"
#include "em-format-html-display.h"
#include "em-marshal.h"
#include "e-searching-tokenizer.h"
#include "em-icon-stream.h"
#include "em-utils.h"
#include "em-popup.h"
#include "em-icon-stream.h"
#define d(x)
#define EFHD_TABLE_OPEN "<table>"
struct _EMFormatHTMLDisplayPrivate {
/* For the interactive search dialogue */
/* TODO: Should this be more subtle, like the mozilla one? */
GtkDialog *search_dialog;
GtkWidget *search_entry;
GtkWidget *search_matches_label;
GtkWidget *search_case_check;
char *search_text;
int search_wrap; /* are we doing a wrap search */
};
static int efhd_html_button_press_event (GtkWidget *widget, GdkEventButton *event, EMFormatHTMLDisplay *efh);
static void efhd_html_link_clicked (GtkHTML *html, const char *url, EMFormatHTMLDisplay *efhd);
struct _attach_puri {
EMFormatPURI puri;
const EMFormatHandler *handle;
/* for the > and V buttons */
GtkWidget *forward, *down;
/* currently no way to correlate this data to the frame :( */
GtkHTML *frame;
CamelStream *output;
unsigned int shown:1;
};
static void efhd_iframe_created(GtkHTML *html, GtkHTML *iframe, EMFormatHTMLDisplay *efh);
/*static void efhd_url_requested(GtkHTML *html, const char *url, GtkHTMLStream *handle, EMFormatHTMLDisplay *efh);
static gboolean efhd_object_requested(GtkHTML *html, GtkHTMLEmbedded *eb, EMFormatHTMLDisplay *efh);*/
static void efhd_format_clone(EMFormat *, CamelMedium *, EMFormat *);
static void efhd_format_error(EMFormat *emf, CamelStream *stream, const char *txt);
static void efhd_format_message(EMFormat *, CamelStream *, CamelMedium *);
static void efhd_format_source(EMFormat *, CamelStream *, CamelMimePart *);
static void efhd_format_attachment(EMFormat *, CamelStream *, CamelMimePart *, const char *, const EMFormatHandler *);
static void efhd_complete(EMFormat *);
static void efhd_builtin_init(EMFormatHTMLDisplayClass *efhc);
enum {
EFHD_LINK_CLICKED,
EFHD_POPUP_EVENT,
EFHD_LAST_SIGNAL,
};
static guint efhd_signals[EFHD_LAST_SIGNAL] = { 0 };
static EMFormatHTMLClass *efhd_parent;
static void
efhd_gtkhtml_realise(GtkHTML *html, EMFormatHTMLDisplay *efhd)
{
GtkStyle *style;
/* FIXME: does this have to be re-done every time we draw? */
/* My favorite thing to do... muck around with colors so we respect people's stupid themes.
However, we only do this if we are rendering to the screen -- we ignore the theme
when we are printing. */
style = gtk_widget_get_style((GtkWidget *)html);
if (style) {
int state = GTK_WIDGET_STATE(html);
gushort r, g, b;
#define SCALE (238)
/* choose a suitably darker or lighter colour */
r = style->base[state].red >> 8;
g = style->base[state].green >> 8;
b = style->base[state].blue >> 8;
if (r+b+g > 128*3) {
r = (r*SCALE) >> 8;
g = (g*SCALE) >> 8;
b = (b*SCALE) >> 8;
} else {
r = 128 - ((SCALE * r) >> 9);
g = 128 - ((SCALE * g) >> 9);
b = 128 - ((SCALE * b) >> 9);
}
efhd->formathtml.header_colour = ((r<<16) | (g<< 8) | b) & 0xffffff;
r = style->text[state].red >> 8;
g = style->text[state].green >> 8;
b = style->text[state].blue >> 8;
efhd->formathtml.text_colour = ((r<<16) | (g<< 8) | b) & 0xffffff;
}
#undef SCALE
}
static void
efhd_init(GObject *o)
{
EMFormatHTMLDisplay *efhd = (EMFormatHTMLDisplay *)o;
#define efh ((EMFormatHTML *)efhd)
efhd->priv = g_malloc0(sizeof(*efhd->priv));
efhd->search_tok = (ESearchingTokenizer *)e_searching_tokenizer_new();
html_engine_set_tokenizer(efh->html->engine, (HTMLTokenizer *)efhd->search_tok);
g_signal_connect(efh->html, "realize", G_CALLBACK(efhd_gtkhtml_realise), o);
/* we want to convert url's etc */
efh->text_html_flags |= CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS | CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES;
#undef efh
}
static void
efhd_finalise(GObject *o)
{
EMFormatHTMLDisplay *efhd = (EMFormatHTMLDisplay *)o;
/* check pending stuff */
g_free(efhd->priv->search_text);
g_free(efhd->priv);
((GObjectClass *)efhd_parent)->finalize(o);
}
static gboolean
efhd_bool_accumulator(GSignalInvocationHint *ihint, GValue *out, const GValue *in, void *data)
{
gboolean val = g_value_get_boolean(in);
g_value_set_boolean(out, val);
return !val;
}
static void
efhd_class_init(GObjectClass *klass)
{
((EMFormatClass *)klass)->format_clone = efhd_format_clone;
((EMFormatClass *)klass)->format_error = efhd_format_error;
((EMFormatClass *)klass)->format_message = efhd_format_message;
((EMFormatClass *)klass)->format_source = efhd_format_source;
((EMFormatClass *)klass)->format_attachment = efhd_format_attachment;
((EMFormatClass *)klass)->complete = efhd_complete;
klass->finalize = efhd_finalise;
efhd_signals[EFHD_LINK_CLICKED] =
g_signal_new("link_clicked",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(EMFormatHTMLDisplayClass, link_clicked),
NULL, NULL,
g_cclosure_marshal_VOID__POINTER,
G_TYPE_NONE, 1, G_TYPE_POINTER);
efhd_signals[EFHD_POPUP_EVENT] =
g_signal_new("popup_event",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(EMFormatHTMLDisplayClass, popup_event),
efhd_bool_accumulator, NULL,
em_marshal_BOOLEAN__BOXED_POINTER_POINTER,
G_TYPE_BOOLEAN, 3,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE,
G_TYPE_POINTER, G_TYPE_POINTER);
efhd_builtin_init((EMFormatHTMLDisplayClass *)klass);
}
GType
em_format_html_display_get_type(void)
{
static GType type = 0;
if (type == 0) {
static const GTypeInfo info = {
sizeof(EMFormatHTMLDisplayClass),
NULL, NULL,
(GClassInitFunc)efhd_class_init,
NULL, NULL,
sizeof(EMFormatHTMLDisplay), 0,
(GInstanceInitFunc)efhd_init
};
efhd_parent = g_type_class_ref(em_format_html_get_type());
type = g_type_register_static(em_format_html_get_type(), "EMFormatHTMLDisplay", &info, 0);
}
return type;
}
EMFormatHTMLDisplay *em_format_html_display_new(void)
{
EMFormatHTMLDisplay *efhd;
efhd = g_object_new(em_format_html_display_get_type(), 0);
g_signal_connect(efhd->formathtml.html, "iframe_created", G_CALLBACK(efhd_iframe_created), efhd);
g_signal_connect(efhd->formathtml.html, "link_clicked", G_CALLBACK(efhd_html_link_clicked), efhd);
g_signal_connect(efhd->formathtml.html, "button_press_event", G_CALLBACK(efhd_html_button_press_event), efhd);
return efhd;
}
void em_format_html_display_goto_anchor(EMFormatHTMLDisplay *efhd, const char *name)
{
printf("FIXME: go to anchor '%s'\n", name);
}
void em_format_html_display_set_animate(EMFormatHTMLDisplay *efhd, gboolean state)
{
efhd->animate = state;
gtk_html_set_animate(((EMFormatHTML *)efhd)->html, state);
}
void em_format_html_display_set_caret_mode(EMFormatHTMLDisplay *efhd, gboolean state)
{
efhd->caret_mode = state;
gtk_html_set_caret_mode(((EMFormatHTML *)efhd)->html, state);
}
void
em_format_html_display_set_search(EMFormatHTMLDisplay *efhd, int type, GSList *strings)
{
switch(type&3) {
case EM_FORMAT_HTML_DISPLAY_SEARCH_PRIMARY:
e_searching_tokenizer_set_primary_case_sensitivity(efhd->search_tok, (type&EM_FORMAT_HTML_DISPLAY_SEARCH_ICASE) == 0);
e_searching_tokenizer_set_primary_search_string(efhd->search_tok, NULL);
while (strings) {
e_searching_tokenizer_add_primary_search_string(efhd->search_tok, strings->data);
strings = strings->next;
}
break;
case EM_FORMAT_HTML_DISPLAY_SEARCH_SECONDARY:
default:
e_searching_tokenizer_set_secondary_case_sensitivity(efhd->search_tok, (type&EM_FORMAT_HTML_DISPLAY_SEARCH_ICASE) == 0);
e_searching_tokenizer_set_secondary_search_string(efhd->search_tok, NULL);
while (strings) {
e_searching_tokenizer_add_secondary_search_string(efhd->search_tok, strings->data);
strings = strings->next;
}
break;
}
d(printf("redrawing with search\n"));
em_format_format_clone((EMFormat *)efhd, ((EMFormat *)efhd)->message, (EMFormat *)efhd);
}
static void
efhd_update_matches(EMFormatHTMLDisplay *efhd)
{
struct _EMFormatHTMLDisplayPrivate *p = efhd->priv;
char *str;
/* message-search popup match count string */
char *fmt = _("Matches: %d");
if (p->search_dialog) {
str = alloca(strlen(fmt)+32);
sprintf(str, fmt, e_searching_tokenizer_match_count(efhd->search_tok));
gtk_label_set_text((GtkLabel *)p->search_matches_label, str);
}
}
static void
efhd_update_search(EMFormatHTMLDisplay *efhd)
{
struct _EMFormatHTMLDisplayPrivate *p = efhd->priv;
GSList *words = NULL;
int flags = 0;
if (p->search_text == NULL)
return;
if (!gtk_toggle_button_get_active((GtkToggleButton *)p->search_case_check))
flags = EM_FORMAT_HTML_DISPLAY_SEARCH_ICASE | EM_FORMAT_HTML_DISPLAY_SEARCH_PRIMARY;
else
flags = EM_FORMAT_HTML_DISPLAY_SEARCH_PRIMARY;
if (p->search_text)
words = g_slist_append(words, p->search_text);
em_format_html_display_set_search(efhd, flags, words);
g_slist_free(words);
}
static void
efhd_search_response(GtkWidget *w, int button, EMFormatHTMLDisplay *efhd)
{
struct _EMFormatHTMLDisplayPrivate *p = efhd->priv;
if (button == GTK_RESPONSE_ACCEPT) {
char *txt = g_strdup(gtk_entry_get_text((GtkEntry *)p->search_entry));
g_strstrip(txt);
if (p->search_text && strcmp(p->search_text, txt) == 0 && !p->search_wrap) {
if (!gtk_html_engine_search_next(((EMFormatHTML *)efhd)->html))
p->search_wrap = TRUE;
g_free(txt);
} else {
g_free(p->search_text);
p->search_text = txt;
if (!p->search_wrap)
efhd_update_search(efhd);
p->search_wrap = FALSE;
gtk_html_engine_search(((EMFormatHTML *)efhd)->html, txt,
gtk_toggle_button_get_active((GtkToggleButton *)p->search_case_check),
TRUE, FALSE);
}
} else {
g_free(p->search_text);
p->search_text = NULL;
gtk_widget_destroy((GtkWidget *)p->search_dialog);
p->search_dialog = NULL;
}
}
static void
efhd_search_case_toggled(GtkWidget *w, EMFormatHTMLDisplay *efhd)
{
struct _EMFormatHTMLDisplayPrivate *p = efhd->priv;
g_free(p->search_text);
p->search_text = NULL;
efhd_search_response(w, GTK_RESPONSE_ACCEPT, efhd);
}
static void
efhd_search_entry_activate(GtkWidget *w, EMFormatHTMLDisplay *efhd)
{
efhd_search_response(w, GTK_RESPONSE_ACCEPT, efhd);
}
/**
* em_format_html_display_search:
* @efhd:
*
* Run an interactive search dialogue.
**/
void
em_format_html_display_search(EMFormatHTMLDisplay *efhd)
{
struct _EMFormatHTMLDisplayPrivate *p = efhd->priv;
GladeXML *xml;
if (p->search_dialog) {
gdk_window_raise(((GtkWidget *)p->search_dialog)->window);
return;
}
xml = glade_xml_new (EVOLUTION_GLADEDIR "/mail-search.glade", "search_message_dialog", NULL);
if (xml == NULL) {
g_warning("Cannot open search dialog glade file");
/* ?? */
return;
}
/* TODO: The original put the subject in the frame, but it had some
ugly arbitrary string-cutting code to make sure it fit. */
p->search_dialog = (GtkDialog *)glade_xml_get_widget(xml, "search_message_dialog");
p->search_entry = glade_xml_get_widget(xml, "search_entry");
p->search_matches_label = glade_xml_get_widget(xml, "search_matches_label");
p->search_case_check = glade_xml_get_widget(xml, "search_case_check");
p->search_wrap = FALSE;
gtk_dialog_set_default_response((GtkDialog *)p->search_dialog, GTK_RESPONSE_ACCEPT);
efhd_update_matches(efhd);
g_signal_connect(p->search_entry, "activate", G_CALLBACK(efhd_search_entry_activate), efhd);
g_signal_connect(p->search_case_check, "toggled", G_CALLBACK(efhd_search_case_toggled), efhd);
g_signal_connect(p->search_dialog, "response", G_CALLBACK(efhd_search_response), efhd);
e_dialog_set_transient_for((GtkWindow *)p->search_dialog, (GtkWidget *)efhd);
gtk_widget_show((GtkWidget *)p->search_dialog);
}
void
em_format_html_display_cut (EMFormatHTMLDisplay *efhd)
{
gtk_html_cut (((EMFormatHTML *) efhd)->html);
}
void
em_format_html_display_copy (EMFormatHTMLDisplay *efhd)
{
gtk_html_copy (((EMFormatHTML *) efhd)->html);
}
void
em_format_html_display_paste (EMFormatHTMLDisplay *efhd)
{
gtk_html_paste (((EMFormatHTML *) efhd)->html, FALSE);
}
void
em_format_html_display_zoom_in (EMFormatHTMLDisplay *efhd)
{
gtk_html_zoom_in (((EMFormatHTML *) efhd)->html);
}
void
em_format_html_display_zoom_out (EMFormatHTMLDisplay *efhd)
{
gtk_html_zoom_out (((EMFormatHTML *) efhd)->html);
}
void
em_format_html_display_zoom_reset (EMFormatHTMLDisplay *efhd)
{
gtk_html_zoom_reset (((EMFormatHTML *) efhd)->html);
}
/* ********************************************************************** */
static void
efhd_iframe_created(GtkHTML *html, GtkHTML *iframe, EMFormatHTMLDisplay *efh)
{
d(printf("Iframe created %p ... \n", iframe));
g_signal_connect(iframe, "button_press_event", G_CALLBACK (efhd_html_button_press_event), efh);
return;
}
static int
efhd_html_button_press_event (GtkWidget *widget, GdkEventButton *event, EMFormatHTMLDisplay *efhd)
{
HTMLEngine *e;
HTMLPoint *point;
const char *url;
gboolean res = FALSE;
if (event->button != 3)
return FALSE;
e = ((GtkHTML *)widget)->engine;
point = html_engine_get_point_at(e, event->x, event->y, FALSE);
if (point == NULL)
return FALSE;
d(printf("popup button pressed\n"));
if ( (url = html_object_get_src(point->object)) != NULL
|| (url = html_object_get_url(point->object, 0)) != NULL) {
EMFormatPURI *puri;
char *uri;
uri = gtk_html_get_url_object_relative((GtkHTML *)widget, point->object, url);
puri = em_format_find_puri((EMFormat *)efhd, uri);
d(printf("poup event, uri = '%s' part = '%p'\n", uri, puri?puri->part:NULL));
g_signal_emit((GtkObject *)efhd, efhd_signals[EFHD_POPUP_EVENT], 0, event, uri, puri?puri->part:NULL, &res);
g_free(uri);
}
html_point_destroy(point);
return res;
}
static void
efhd_html_link_clicked (GtkHTML *html, const char *url, EMFormatHTMLDisplay *efhd)
{
d(printf("link clicked event '%s'\n", url));
g_signal_emit((GObject *)efhd, efhd_signals[EFHD_LINK_CLICKED], 0, url);
}
static void
efhd_complete(EMFormat *emf)
{
EMFormatHTMLDisplay *efhd = (EMFormatHTMLDisplay *)emf;
if (efhd->priv->search_dialog)
efhd_update_matches(efhd);
}
/* ********************************************************************** */
static void
efhd_signature_check(GtkWidget *w, EMFormatHTMLPObject *pobject)
{
d(printf("insert signature check here ... redraw ? or what ?\n"));
/* blah, do the old way for now, force a complete re-draw */
em_format_set_inline((EMFormat *)pobject->format, pobject->part, TRUE);
em_format_format_clone((EMFormat *)pobject->format, ((EMFormat *)pobject->format)->message, (EMFormat *)pobject->format);
}
static gboolean
efhd_signature_button(EMFormatHTML *efh, GtkHTMLEmbedded *eb, EMFormatHTMLPObject *pobject)
{
GtkWidget *icon, *button;
GdkPixbuf *pixbuf;
pixbuf = gdk_pixbuf_new_from_file(EVOLUTION_ICONSDIR "/pgp-signature-nokey.png", NULL);
if (pixbuf == NULL)
return FALSE;
/* wtf isn't this just scaled on disk? */
icon = gtk_image_new_from_pixbuf(gdk_pixbuf_scale_simple(pixbuf, 24, 24, GDK_INTERP_BILINEAR));
g_object_unref(pixbuf);
gtk_widget_show(icon);
button = gtk_button_new();
g_signal_connect(button, "clicked", G_CALLBACK (efhd_signature_check), pobject);
/*g_signal_connect (button, "key_press_event", G_CALLBACK (inline_button_press), part);*/
gtk_container_add((GtkContainer *)button, icon);
gtk_widget_show(button);
gtk_container_add((GtkContainer *)eb, button);
return TRUE;
}
static void
efhd_multipart_signed (EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info)
{
char *classid;
static int signedid;
CamelMultipartSigned *mps;
CamelMimePart *cpart;
mps = (CamelMultipartSigned *)camel_medium_get_content_object((CamelMedium *)part);
if (!CAMEL_IS_MULTIPART_SIGNED(mps)
|| (cpart = camel_multipart_get_part((CamelMultipart *)mps, CAMEL_MULTIPART_SIGNED_CONTENT)) == NULL) {
em_format_format_source(emf, stream, part);
return;
}
em_format_part(emf, stream, cpart);
if (em_format_is_inline(emf, part)) {
em_format_html_multipart_signed_sign(emf, stream, part);
} else {
classid = g_strdup_printf("multipart-signed:///icon/%d", signedid++);
/* wtf is this so fugly? */
camel_stream_printf(stream,
"<br><table cellspacing=0 cellpadding=0>"
"<tr><td><table width=10 cellspacing=0 cellpadding=0>"
"<tr><td></td></tr></table></td>"
"<td><object classid=\"%s\"></object></td>"
"<td><table width=3 cellspacing=0 cellpadding=0>"
"<tr><td></td></tr></table></td>"
"<td><font size=-1>%s</font></td></tr>"
"<tr><td height=10>"
"<table cellspacing=0 cellpadding=0><tr>"
"<td height=10><a name=\"glue\"></td></tr>"
"</table></td></tr></table>\n",
classid,
_("This message is digitally signed. Click the lock icon for more information."));
em_format_html_add_pobject((EMFormatHTML *)emf, classid, efhd_signature_button, part);
g_free(classid);
}
}
/* ********************************************************************** */
static EMFormatHandler type_builtin_table[] = {
{ "multipart/signed", (EMFormatFunc)efhd_multipart_signed },
};
static void
efhd_builtin_init(EMFormatHTMLDisplayClass *efhc)
{
int 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_format_clone(EMFormat *emf, CamelMedium *part, EMFormat *src)
{
((EMFormatClass *)efhd_parent)->format_clone(emf, part, src);
}
/* TODO: if these aren't going to do anything should remove */
static void efhd_format_error(EMFormat *emf, CamelStream *stream, const char *txt)
{
((EMFormatClass *)efhd_parent)->format_error(emf, stream, txt);
}
static void efhd_format_message(EMFormat *emf, CamelStream *stream, CamelMedium *part)
{
((EMFormatClass *)efhd_parent)->format_message(emf, stream, part);
}
static void efhd_format_source(EMFormat *emf, CamelStream *stream, CamelMimePart *part)
{
((EMFormatClass *)efhd_parent)->format_source(emf, stream, part);
}
/* ********************************************************************** */
/* if it hasn't been processed yet, format the attachment */
static void
efhd_attachment_show(GtkWidget *w, struct _attach_puri *info)
{
d(printf("show attachment button called\n"));
info->shown = ~info->shown;
em_format_set_inline(info->puri.format, info->puri.part, info->shown);
/* FIXME: do this in an idle handler */
em_format_format_clone(info->puri.format, info->puri.format->message, info->puri.format);
#if 0
/* FIXME: track shown state in parent */
if (info->shown) {
d(printf("hiding\n"));
info->shown = FALSE;
if (info->frame)
gtk_widget_hide((GtkWidget *)info->frame);
gtk_widget_show(info->forward);
gtk_widget_hide(info->down);
} else {
d(printf("showing\n"));
info->shown = TRUE;
if (info->frame)
gtk_widget_show((GtkWidget *)info->frame);
gtk_widget_hide(info->forward);
gtk_widget_show(info->down);
/* have we decoded it yet? */
if (info->output) {
info->handle->handler(info->puri.format, info->output, info->puri.part, info->handle);
camel_stream_close(info->output);
camel_object_unref(info->output);
info->output = NULL;
}
}
em_format_set_inline(info->puri.format, info->puri.part, info->shown);
#endif
}
static EMPopupItem efhd_menu_items[] = {
{ EM_POPUP_BAR, "05.display", },
{ EM_POPUP_ITEM, "05.display.00", N_("_View Inline"), G_CALLBACK(efhd_attachment_show) },
{ EM_POPUP_ITEM, "05.display.00", N_("_Hide"), G_CALLBACK(efhd_attachment_show) },
};
static void
efhd_popup_place_widget(GtkMenu *menu, int *x, int *y, gboolean *push_in, gpointer user_data)
{
GtkWidget *w = user_data;
gdk_window_get_origin(gtk_widget_get_parent_window(w), x, y);
*x += w->allocation.x + w->allocation.width;
*y += w->allocation.y;
}
static gboolean
efhd_attachment_popup(GtkWidget *w, GdkEventButton *event, struct _attach_puri *info)
{
GtkMenu *menu;
GSList *menus = NULL;
EMPopup *emp;
EMPopupTarget *target;
EMPopupItem *item;
d(printf("attachment popup, button %d\n", event->button));
if (event && event->button != 1 && event->button != 3) {
/* ?? gtk_propagate_event(GTK_WIDGET (user_data), (GdkEvent *)event);*/
return FALSE;
}
emp = em_popup_new("com.ximian.mail.formathtmldisplay.popup.part");
target = em_popup_target_new_part(info->puri.part, info->handle?info->handle->mime_type:NULL);
target->widget = w;
/* add our local menus */
efhd_menu_items[0].activate_data = info;
menus = g_slist_prepend(menus, &efhd_menu_items[0]);
item = &efhd_menu_items[info->shown?2:1];
item->activate_data = info;
menus = g_slist_prepend(menus, item);
menu = em_popup_create_menu_once(emp, target, target->mask, target->mask);
if (event)
gtk_menu_popup(menu, NULL, NULL, NULL, NULL, event->button, event->time);
else
gtk_menu_popup(menu, NULL, NULL, (GtkMenuPositionFunc)efhd_popup_place_widget, w, 0, gtk_get_current_event_time());
return TRUE;
}
static gboolean
efhd_attachment_popup_menu(GtkWidget *w, struct _attach_puri *info)
{
return efhd_attachment_popup(w, NULL, info);
}
/* ********************************************************************** */
static void
efhd_drag_data_get(GtkWidget *w, GdkDragContext *drag, GtkSelectionData *data, guint info, guint time, EMFormatHTMLPObject *pobject)
{
CamelMimePart *part = pobject->part;
char *uri, *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, uri, strlen(uri));
return;
}
path = em_utils_temp_save_part(w, part);
if (path == NULL)
return;
uri = g_strdup_printf("file://%s", path);
g_free(path);
gtk_selection_data_set(data, data->target, 8, uri, strlen(uri));
g_object_set_data_full((GObject *)w, "e-drag-uri", uri, g_free);
break;
default:
abort();
}
}
static void
efhd_drag_data_delete(GtkWidget *w, GdkDragContext *drag, EMFormatHTMLPObject *pobject)
{
char *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? */
unlink(uri+7);
g_object_set_data((GObject *)w, "e-drag-uri", NULL);
}
}
static void
efhd_write_icon_job(struct _EMFormatHTMLJob *job, int 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);
}
/* attachment button callback */
static gboolean
efhd_attachment_button(EMFormatHTML *efh, GtkHTMLEmbedded *eb, EMFormatHTMLPObject *pobject)
{
struct _attach_puri *info;
GtkWidget *hbox, *w, *button, *mainbox;
char *simple_type;
GtkTargetEntry drag_types[] = {
{ NULL, 0, 0 },
{ "text/uri-list", 0, 1 },
};
/* FIXME: handle default shown case */
d(printf("adding attachment button/content\n"));
info = (struct _attach_puri *)em_format_find_puri((EMFormat *)efh, pobject->classid);
g_assert(info != NULL);
g_assert(info->forward == NULL);
mainbox = gtk_hbox_new(FALSE, 0);
button = gtk_button_new();
if (info->handle)
g_signal_connect(button, "clicked", G_CALLBACK(efhd_attachment_show), info);
else
GTK_WIDGET_UNSET_FLAGS(button, GTK_CAN_FOCUS);
hbox = gtk_hbox_new(FALSE, 2);
info->forward = gtk_image_new_from_stock(GTK_STOCK_GO_FORWARD, GTK_ICON_SIZE_BUTTON);
gtk_box_pack_start((GtkBox *)hbox, info->forward, TRUE, TRUE, 0);
if (info->handle) {
info->down = gtk_image_new_from_stock(GTK_STOCK_GO_DOWN, GTK_ICON_SIZE_BUTTON);
gtk_box_pack_start((GtkBox *)hbox, info->down, TRUE, TRUE, 0);
}
w = gtk_image_new();
gtk_widget_set_size_request(w, 24, 24);
gtk_box_pack_start((GtkBox *)hbox, w, TRUE, TRUE, 0);
gtk_container_add((GtkContainer *)button, hbox);
gtk_box_pack_start((GtkBox *)mainbox, button, TRUE, TRUE, 0);
/* FIXME: loses any snoop info */
simple_type = camel_content_type_simple (((CamelDataWrapper *)pobject->part)->mime_type);
camel_strdown(simple_type);
/* cache? */
/* FIXME: offline parts, just get icon */
if (camel_content_type_is (((CamelDataWrapper *)pobject->part)->mime_type, "image", "*")) {
EMFormatHTMLJob *job;
job = em_format_html_job_new(efh, efhd_write_icon_job, pobject);
job->stream = (CamelStream *)em_icon_stream_new((GtkImage *)w);
em_format_html_job_queue(efh, job);
} else {
GdkPixbuf *pixbuf = e_icon_for_mime_type(simple_type, 24);
GdkPixbuf *mini = gdk_pixbuf_scale_simple(pixbuf, 24, 24, GDK_INTERP_BILINEAR);
gtk_image_set_from_pixbuf((GtkImage *)w, mini);
g_object_unref(mini);
g_object_unref(pixbuf);
}
drag_types[0].target = simple_type;
gtk_drag_source_set(button, GDK_BUTTON1_MASK, drag_types, sizeof(drag_types)/sizeof(drag_types[0]), GDK_ACTION_COPY);
g_signal_connect(button, "drag-data-get", G_CALLBACK(efhd_drag_data_get), pobject);
g_signal_connect (button, "drag-data-delete", G_CALLBACK(efhd_drag_data_delete), pobject);
g_free(simple_type);
button = gtk_button_new();
/*GTK_WIDGET_UNSET_FLAGS(button, GTK_CAN_FOCUS);*/
gtk_container_add((GtkContainer *)button, gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_ETCHED_IN));
g_signal_connect(button, "button_press_event", G_CALLBACK(efhd_attachment_popup), info);
g_signal_connect(button, "popup_menu", G_CALLBACK(efhd_attachment_popup_menu), info);
g_signal_connect(button, "clicked", G_CALLBACK(efhd_attachment_popup_menu), info);
gtk_box_pack_start((GtkBox *)mainbox, button, TRUE, TRUE, 0);
gtk_widget_show_all(mainbox);
if (info->shown)
gtk_widget_hide(info->forward);
else if (info->down)
gtk_widget_hide(info->down);
gtk_container_add((GtkContainer *)eb, mainbox);
return TRUE;
}
/* not used currently */
/* frame source callback */
static void
efhd_attachment_frame(EMFormat *emf, CamelStream *stream, EMFormatPURI *puri)
{
struct _attach_puri *info = (struct _attach_puri *)puri;
if (info->shown) {
d(printf("writing to frame content, handler is '%s'\n", info->handle->mime_type));
info->handle->handler(emf, stream, info->puri.part, info->handle);
camel_stream_close(stream);
} else {
/* FIXME: this is leaked if the object is closed without showing it
NB: need a virtual puri_free method? */
info->output = stream;
camel_object_ref(stream);
}
}
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 = gnome_vfs_mime_get_default_component(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", NULL);
if (persist == CORBA_OBJECT_NIL) {
gtk_object_sink((GtkObject *)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);
camel_data_wrapper_decode_to_stream(wrapper, (CamelStream *)cstream);
/* ...convert the CamelStreamMem to a BonoboStreamMem... */
bstream = bonobo_stream_mem_create(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) {
gtk_object_sink((GtkObject *)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 = gnome_vfs_mime_get_all_components (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;
}
}
gnome_vfs_mime_component_list_free (components);
return component != NULL;
}
static void
efhd_format_attachment(EMFormat *emf, CamelStream *stream, CamelMimePart *part, const char *mime_type, const EMFormatHandler *handle)
{
char *classid, *text, *html;
struct _attach_puri *info;
classid = g_strdup_printf("attachment-%p", part);
info = (struct _attach_puri *)em_format_add_puri(emf, sizeof(*info), classid, part, efhd_attachment_frame);
em_format_html_add_pobject((EMFormatHTML *)emf, classid, efhd_attachment_button, part);
info->handle = handle;
info->shown = em_format_is_inline(emf, info->puri.part) && handle != NULL;
camel_stream_write_string(stream,
"<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, ((EMFormatHTML *)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>");
if (handle) {
if (info->shown)
handle->handler(emf, stream, part, handle);
/*camel_stream_printf(stream, "<iframe src=\"%s\" marginheight=0 marginwidth=0>%s</iframe>\n", classid, _("Attachment content could not be loaded"));*/
} else if (efhd_use_component(mime_type)) {
static int partid;
g_free(classid); /* messy */
classid = g_strdup_printf("bonobo-unknown:///em-formath-html-display/%p/%d", part, partid++);
em_format_html_add_pobject((EMFormatHTML *)emf, classid, efhd_bonobo_object, part);
camel_stream_printf(stream, "<object classid=\"%s\" type=\"%s\">\n", classid, mime_type);
}
g_free(classid);
}
