/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* mail-display.c: Mail display widget
*
* Author:
* Miguel de Icaza
* Bertrand Guiheneuf (bg@aful.org)
*
* (C) 2000 Ximian, Inc.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/stat.h>
#include <ctype.h>
#include <fcntl.h>
#include <errno.h>
#include <libgnorba/gnorba.h>
#include <libgnomevfs/gnome-vfs-mime-info.h>
#include <libgnomevfs/gnome-vfs-mime-handlers.h>
#include <libgnomevfs/gnome-vfs.h>
#include <bonobo/bonobo-control-frame.h>
#include <bonobo/bonobo-stream-memory.h>
#include <bonobo/bonobo-ui-toolbar-icon.h>
#include <bonobo/bonobo-widget.h>
#include <bonobo/bonobo-socket.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gdk-pixbuf/gdk-pixbuf-loader.h>
#include <gal/util/e-util.h>
#include <gal/widgets/e-popup-menu.h>
#include <gal/widgets/e-unicode.h>
#include <gtk/gtkinvisible.h>
#include <gtkhtml/gtkhtml-embedded.h>
#include <gtkhtml/htmlengine.h> /* XXX */
#include <gtkhtml/htmlobject.h> /* XXX */
#include <gtkhtml/htmltext.h> /* XXX */
#include <gtkhtml/htmlinterval.h> /* XXX */
#include <gtkhtml/gtkhtml-stream.h>
#include "e-util/e-html-utils.h"
#include "e-util/e-mktemp.h"
#include "addressbook/backend/ebook/e-book-util.h"
#include "e-searching-tokenizer.h"
#include "folder-browser-factory.h"
#include "mail-stream-gtkhtml.h"
#include "message-tag-followup.h"
#include "folder-browser-window.h"
#include "folder-browser.h"
#include "mail-display.h"
#include "mail-config.h"
#include "mail-ops.h"
#include "mail-mt.h"
#include "mail.h"
#include "art/empty.xpm"
#define PARENT_TYPE (gtk_vbox_get_type ())
static GtkObjectClass *mail_display_parent_class;
struct _PixbufLoader {
CamelDataWrapper *wrapper; /* The data */
CamelStream *mstream;
GdkPixbufLoader *loader;
GtkHTMLEmbedded *eb;
char *type; /* Type of data, in case the conversion fails */
char *cid; /* Strdupped on creation, but not freed until
the hashtable is destroyed */
GtkWidget *pixmap;
guint32 destroy_id;
};
static GHashTable *thumbnail_cache = NULL;
/* Drag & Drop types */
#define TEXT_URI_LIST_TYPE "text/uri-list"
enum DndTargetType {
DND_TARGET_TYPE_TEXT_URI_LIST,
};
static GtkTargetEntry drag_types[] = {
{ TEXT_URI_LIST_TYPE, 0, DND_TARGET_TYPE_TEXT_URI_LIST },
};
static const int num_drag_types = sizeof (drag_types) / sizeof (drag_types[0]);
/*----------------------------------------------------------------------*
* Callbacks
*----------------------------------------------------------------------*/
static void
write_data_written(CamelMimePart *part, char *name, int done, void *data)
{
int *ret = data;
/* should we popup a dialogue to say its done too? */
*ret = done;
}
static gboolean
write_data_to_file (CamelMimePart *part, const char *name, gboolean unique)
{
int fd;
int ret = FALSE;
g_return_val_if_fail (CAMEL_IS_MIME_PART (part), FALSE);
fd = open (name, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
if (fd == -1 && errno == EEXIST && !unique) {
GtkWidget *dlg;
GtkWidget *text;
dlg = gnome_dialog_new (_("Overwrite file?"),
GNOME_STOCK_BUTTON_YES,
GNOME_STOCK_BUTTON_NO,
NULL);
text = gtk_label_new (_("A file by that name already exists.\nOverwrite it?"));
gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (dlg)->vbox), text, TRUE, TRUE, 4);
gtk_window_set_policy(GTK_WINDOW(dlg), FALSE, TRUE, FALSE);
gtk_widget_show (text);
if (gnome_dialog_run_and_close (GNOME_DIALOG (dlg)) != 0)
return FALSE;
}
if (fd != -1)
close (fd);
/* should this have progress of what its doing? */
mail_msg_wait (mail_save_part (part, name, write_data_written, &ret));
return ret;
}
static char *
make_safe_filename (const char *prefix,CamelMimePart *part)
{
const char *name = NULL;
char *safe, *p;
if (part) {
name = camel_mime_part_get_filename (part);
}
if (!name) {
/* This is a filename. Translators take note. */
name = _("attachment");
}
p = strrchr (name, '/');
if (p)
safe = g_strdup_printf ("%s%s", prefix, p);
else
safe = g_strdup_printf ("%s/%s", prefix, name);
p = strrchr (safe, '/') + 1;
if (p)
e_filename_make_safe (p);
return safe;
}
static void
save_data_cb (GtkWidget *widget, gpointer user_data)
{
GtkFileSelection *file_select = (GtkFileSelection *)
gtk_widget_get_ancestor (widget, GTK_TYPE_FILE_SELECTION);
char *dir;
/* uh, this doesn't really feel right, but i dont know what to do better */
gtk_widget_hide (GTK_WIDGET (file_select));
write_data_to_file (user_data, gtk_file_selection_get_filename (file_select),
FALSE);
/* preserve the pathname */
dir = g_dirname (gtk_file_selection_get_filename (file_select));
mail_config_set_last_filesel_dir (dir);
g_free (dir);
gtk_widget_destroy (GTK_WIDGET (file_select));
}
static void
save_destroy_cb (GtkWidget *widget, CamelMimePart *part)
{
camel_object_unref (CAMEL_OBJECT (part));
}
static gboolean
idle_redisplay (gpointer data)
{
MailDisplay *md = data;
md->idle_id = 0;
mail_display_redisplay (md, FALSE);
return FALSE;
}
void
mail_display_queue_redisplay (MailDisplay *md)
{
if (!md->idle_id) {
md->idle_id = g_idle_add_full (G_PRIORITY_LOW, idle_redisplay,
md, NULL);
}
}
static void
mail_display_jump_to_anchor (MailDisplay *md, const char *url)
{
char *anchor = strstr (url, "#");
g_return_if_fail (anchor != NULL);
if (anchor)
gtk_html_jump_to_anchor (md->html, anchor + 1);
}
static void
mail_display_digest_clicked (MailDisplay *md, const char *url)
{
FolderBrowser *fb, *parent_fb;
CamelFolder *digest;
CamelStore *store;
GtkWidget *window;
parent_fb = (FolderBrowser *) gtk_widget_get_ancestor (GTK_WIDGET (md), FOLDER_BROWSER_TYPE);
store = camel_digest_store_new (url);
digest = camel_digest_folder_new (store, md->current_message);
camel_object_unref (CAMEL_OBJECT (store));
if (!digest)
return;
fb = (FolderBrowser *) folder_browser_new (parent_fb->shell, NULL);
folder_browser_set_message_preview (fb, TRUE);
folder_browser_set_folder (fb, digest, url);
camel_object_unref (CAMEL_OBJECT (digest));
gtk_widget_show (GTK_WIDGET (fb));
window = folder_browser_window_new (fb);
gtk_widget_show (window);
}
static void
on_link_clicked (GtkHTML *html, const char *url, MailDisplay *md)
{
if (!g_strncasecmp (url, "news:", 5) || !g_strncasecmp (url, "nntp:", 5)) {
g_warning ("Can't handle news URLs yet.");
} else if (!g_strncasecmp (url, "mailto:", 7)) {
send_to_url (url);
} else if (!g_strncasecmp (url, "digest:", 7)) {
mail_display_digest_clicked (md, url);
} else if (*url == '#') {
mail_display_jump_to_anchor (md, url);
} else {
gnome_url_show (url);
}
}
static void
save_part (CamelMimePart *part)
{
GtkFileSelection *file_select;
char *filename;
g_return_if_fail (part != NULL);
camel_object_ref (CAMEL_OBJECT (part));
filename = make_safe_filename (mail_config_get_last_filesel_dir (), part);
file_select = GTK_FILE_SELECTION (
gtk_file_selection_new (_("Save Attachment")));
gtk_file_selection_set_filename (file_select, filename);
/* set the GtkEntry with the locale filename by breaking abstraction */
e_utf8_gtk_entry_set_text (GTK_ENTRY (file_select->selection_entry), g_basename (filename));
g_free (filename);
gtk_signal_connect (GTK_OBJECT (file_select->ok_button), "clicked",
GTK_SIGNAL_FUNC (save_data_cb), part);
gtk_signal_connect_object (GTK_OBJECT (file_select->cancel_button),
"clicked",
GTK_SIGNAL_FUNC (gtk_widget_destroy),
GTK_OBJECT (file_select));
gtk_signal_connect (GTK_OBJECT (file_select), "destroy",
GTK_SIGNAL_FUNC (save_destroy_cb), part);
gtk_widget_show (GTK_WIDGET (file_select));
}
static void
save_cb (GtkWidget *widget, gpointer user_data)
{
CamelMimePart *part = gtk_object_get_data (GTK_OBJECT (user_data), "CamelMimePart");
save_part (part);
}
static void
launch_cb (GtkWidget *widget, gpointer user_data)
{
CamelMimePart *part = gtk_object_get_data (user_data, "CamelMimePart");
MailMimeHandler *handler;
GList *apps, *children, *c;
GnomeVFSMimeApplication *app;
char *command, *filename;
const char *tmpdir;
handler = mail_lookup_handler (gtk_object_get_data (user_data, "mime_type"));
g_return_if_fail (handler != NULL && handler->applications != NULL);
/* Yum. Too bad EPopupMenu doesn't allow per-item closures. */
children = gtk_container_children (GTK_CONTAINER (widget->parent));
g_return_if_fail (children != NULL && children->next != NULL && children->next->next != NULL);
for (c = children->next->next, apps = handler->applications; c && apps; c = c->next, apps = apps->next) {
if (c->data == widget)
break;
}
g_list_free (children);
g_return_if_fail (c != NULL && apps != NULL);
app = apps->data;
tmpdir = e_mkdtemp ("evolution.XXXXXX");
if (!tmpdir) {
char *msg = g_strdup_printf (_("Could not create temporary directory: %s"),
g_strerror (errno));
gnome_error_dialog (msg);
g_free (msg);
return;
}
filename = make_safe_filename (tmpdir, part);
if (!write_data_to_file (part, filename, TRUE)) {
char *msg = g_strdup_printf (_("Could not create temporary file '%s': %s"),
filename, g_strerror (errno));
gnome_error_dialog (msg);
g_free (filename);
g_free (msg);
return;
}
command = g_strdup_printf ("%s %s%s &", app->command,
app->expects_uris == GNOME_VFS_MIME_APPLICATION_ARGUMENT_TYPE_URIS ? "file://" : "",
filename);
g_free (filename);
system (command);
g_free (command);
}
static void
inline_cb (GtkWidget *widget, gpointer user_data)
{
MailDisplay *md = gtk_object_get_data (user_data, "MailDisplay");
CamelMimePart *part = gtk_object_get_data (user_data, "CamelMimePart");
mail_part_toggle_displayed (part, md);
mail_display_queue_redisplay (md);
}
static void
button_press (GtkWidget *widget, CamelMimePart *part)
{
MailDisplay *md;
md = gtk_object_get_data (GTK_OBJECT (widget), "MailDisplay");
if (md == NULL) {
g_warning ("No MailDisplay on button!");
return;
}
mail_part_toggle_displayed (part, md);
mail_display_queue_redisplay (md);
}
static gboolean
pixmap_press (GtkWidget *widget, GdkEventButton *event, EScrollFrame *user_data)
{
EPopupMenu *menu;
EPopupMenu save_item = E_POPUP_ITEM (N_("Save to Disk..."), GTK_SIGNAL_FUNC (save_cb), 0);
EPopupMenu view_item = E_POPUP_ITEM (N_("View Inline"), GTK_SIGNAL_FUNC (inline_cb), 2);
EPopupMenu open_item = E_POPUP_ITEM (N_("Open in %s..."), GTK_SIGNAL_FUNC (launch_cb), 1);
MailDisplay *md;
CamelMimePart *part;
MailMimeHandler *handler;
int mask = 0, i, nitems;
#ifdef USE_OLD_DISPLAY_STYLE
if (event->button != 3) {
gtk_propagate_event (GTK_WIDGET (user_data),
(GdkEvent *)event);
return TRUE;
}
#endif
if (event->button != 1 && event->button != 3) {
gtk_propagate_event (GTK_WIDGET (user_data),
(GdkEvent *)event);
return TRUE;
}
/* Stop the signal, since we don't want the button's class method to
mess up our popup. */
gtk_signal_emit_stop_by_name (GTK_OBJECT (widget), "button_press_event");
part = gtk_object_get_data (GTK_OBJECT (widget), "CamelMimePart");
handler = mail_lookup_handler (gtk_object_get_data (GTK_OBJECT (widget),
"mime_type"));
if (handler && handler->applications)
nitems = g_list_length (handler->applications) + 2;
else
nitems = 3;
menu = g_new0 (EPopupMenu, nitems + 1);
/* Save item */
memcpy (&menu[0], &save_item, sizeof (menu[0]));
menu[0].name = _(menu[0].name);
/* Inline view item */
memcpy (&menu[1], &view_item, sizeof (menu[1]));
if (handler && handler->builtin) {
md = gtk_object_get_data (GTK_OBJECT (widget), "MailDisplay");
if (!mail_part_is_displayed_inline (part, md)) {
if (handler->component) {
OAF_Property *prop;
char *name;
prop = oaf_server_info_prop_find (
handler->component, "name");
if (!prop) {
prop = oaf_server_info_prop_find (
handler->component,
"description");
}
if (prop && prop->v._d == OAF_P_STRING)
name = prop->v._u.value_string;
else
name = "bonobo";
menu[1].name = g_strdup_printf (
_("View Inline (via %s)"), name);
} else
menu[1].name = g_strdup (_(menu[1].name));
} else
menu[1].name = g_strdup (_("Hide"));
} else {
menu[1].name = g_strdup (_(menu[1].name));
mask |= 2;
}
/* External views */
if (handler && handler->applications) {
GnomeVFSMimeApplication *app;
GList *apps;
int i;
apps = handler->applications;
for (i = 2; i < nitems; i++, apps = apps->next) {
app = apps->data;
memcpy (&menu[i], &open_item, sizeof (menu[i]));
menu[i].name = g_strdup_printf (_(menu[i].name), app->name);
}
} else {
memcpy (&menu[2], &open_item, sizeof (menu[2]));
menu[2].name = g_strdup_printf (_(menu[2].name),
_("External Viewer"));
mask |= 1;
}
e_popup_menu_run (menu, (GdkEvent *)event, mask, 0, widget);
for (i = 1; i < nitems; i++)
g_free (menu[i].name);
g_free (menu);
return TRUE;
}
static GdkPixbuf *
pixbuf_for_mime_type (const char *mime_type)
{
const char *icon_name;
char *filename = NULL;
GdkPixbuf *pixbuf = NULL;
icon_name = gnome_vfs_mime_get_value (mime_type, "icon-filename");
if (icon_name) {
if (*icon_name == '/') {
pixbuf = gdk_pixbuf_new_from_file (icon_name);
if (pixbuf)
return pixbuf;
}
filename = gnome_pixmap_file (icon_name);
if (!filename) {
char *fm_icon;
fm_icon = g_strdup_printf ("nautilus/%s", icon_name);
filename = gnome_pixmap_file (fm_icon);
if (!filename) {
fm_icon = g_strdup_printf ("mc/%s", icon_name);
filename = gnome_pixmap_file (fm_icon);
}
g_free (fm_icon);
}
}
if (filename) {
pixbuf = gdk_pixbuf_new_from_file (filename);
g_free (filename);
}
if (!pixbuf) {
filename = gnome_pixmap_file ("gnome-unknown.png");
if (filename) {
pixbuf = gdk_pixbuf_new_from_file (filename);
g_free (filename);
} else {
g_warning ("Could not get any icon for %s!",mime_type);
pixbuf = gdk_pixbuf_new_from_xpm_data (
(const char **)empty_xpm);
}
}
return pixbuf;
}
static gboolean
pixbuf_uncache (gpointer key)
{
GdkPixbuf *pixbuf;
pixbuf = g_hash_table_lookup (thumbnail_cache, key);
gdk_pixbuf_unref (pixbuf);
g_hash_table_remove (thumbnail_cache, key);
g_free (key);
return FALSE;
}
static gint
pixbuf_gen_idle (struct _PixbufLoader *pbl)
{
GdkPixbuf *pixbuf, *mini;
gboolean error = FALSE;
char tmp[4096];
int len, width, height, ratio;
gpointer orig_key;
/* Get the pixbuf from the cache */
if (g_hash_table_lookup_extended (thumbnail_cache, pbl->cid,
&orig_key, (gpointer *)&mini)) {
width = gdk_pixbuf_get_width (mini);
height = gdk_pixbuf_get_height (mini);
bonobo_ui_toolbar_icon_set_pixbuf (
BONOBO_UI_TOOLBAR_ICON (pbl->pixmap), mini);
gtk_widget_set_usize (pbl->pixmap, width, height);
/* Restart the cache-cleaning timer */
g_source_remove_by_user_data (orig_key);
g_timeout_add (5 * 60 * 1000, pixbuf_uncache, orig_key);
if (pbl->loader) {
gdk_pixbuf_loader_close (pbl->loader);
gtk_object_destroy (GTK_OBJECT (pbl->loader));
camel_object_unref (CAMEL_OBJECT (pbl->mstream));
}
gtk_signal_disconnect (GTK_OBJECT (pbl->eb), pbl->destroy_id);
g_free (pbl->type);
g_free (pbl->cid);
g_free (pbl);
return FALSE;
}
/* Not in cache, so get a pixbuf from the wrapper */
if (!GTK_IS_WIDGET (pbl->pixmap)) {
/* Widget has died */
if (pbl->mstream)
camel_object_unref (CAMEL_OBJECT (pbl->mstream));
if (pbl->loader) {
gdk_pixbuf_loader_close (pbl->loader);
gtk_object_destroy (GTK_OBJECT (pbl->loader));
}
g_free (pbl->type);
g_free (pbl->cid);
g_free (pbl);
return FALSE;
}
if (pbl->mstream) {
if (pbl->loader == NULL)
pbl->loader = gdk_pixbuf_loader_new ();
len = camel_stream_read (pbl->mstream, tmp, 4096);
if (len > 0) {
error = !gdk_pixbuf_loader_write (pbl->loader, tmp, len);
if (!error)
return TRUE;
} else if (!camel_stream_eos (pbl->mstream))
error = TRUE;
}
if (error || !pbl->mstream) {
if (pbl->type)
pixbuf = pixbuf_for_mime_type (pbl->type);
else
pixbuf = gdk_pixbuf_new_from_file (EVOLUTION_ICONSDIR "/pgp-signature-nokey.png");
} else
pixbuf = gdk_pixbuf_loader_get_pixbuf (pbl->loader);
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
if (width >= height) {
if (width > 24) {
ratio = width / 24;
width = 24;
height /= ratio;
}
} else {
if (height > 24) {
ratio = height / 24;
height = 24;
width /= ratio;
}
}
mini = gdk_pixbuf_scale_simple (pixbuf, width, height,
GDK_INTERP_BILINEAR);
if (error || !pbl->mstream)
gdk_pixbuf_unref (pixbuf);
bonobo_ui_toolbar_icon_set_pixbuf (
BONOBO_UI_TOOLBAR_ICON (pbl->pixmap), mini);
/* Add the pixbuf to the cache */
g_hash_table_insert (thumbnail_cache, pbl->cid, mini);
g_timeout_add (5 * 60 * 1000, pixbuf_uncache, pbl->cid);
gtk_signal_disconnect (GTK_OBJECT (pbl->eb), pbl->destroy_id);
if (pbl->loader) {
gdk_pixbuf_loader_close (pbl->loader);
gtk_object_unref (GTK_OBJECT (pbl->loader));
camel_object_unref (CAMEL_OBJECT (pbl->mstream));
}
g_free (pbl->type);
g_free (pbl);
return FALSE;
}
/* Stop the idle function and free the pbl structure
as the widget that the pixbuf was to be rendered to
has died on us. */
static void
embeddable_destroy_cb (GtkObject *embeddable,
struct _PixbufLoader *pbl)
{
g_idle_remove_by_data (pbl);
if (pbl->mstream)
camel_object_unref (CAMEL_OBJECT (pbl->mstream));
if (pbl->loader) {
gdk_pixbuf_loader_close (pbl->loader);
gtk_object_destroy (GTK_OBJECT (pbl->loader));
}
g_free (pbl->type);
g_free (pbl->cid);
g_free (pbl);
};
static GtkWidget *
get_embedded_for_component (const char *iid, MailDisplay *md)
{
GtkWidget *embedded;
BonoboControlFrame *control_frame;
Bonobo_PropertyBag prop_bag;
/*
* First try a control.
*/
embedded = bonobo_widget_new_control (iid, NULL);
if (embedded == NULL) {
/*
* No control, try an embeddable instead.
*/
embedded = bonobo_widget_new_subdoc (iid, NULL);
if (embedded != NULL) {
/* FIXME: as of bonobo 0.18, there's an extra
* client_site dereference in the BonoboWidget
* destruction path that we have to balance out to
* prevent problems.
*/
bonobo_object_ref (BONOBO_OBJECT(bonobo_widget_get_client_site (
BONOBO_WIDGET (embedded))));
return embedded;
}
}
if (embedded == NULL)
return NULL;
control_frame = bonobo_widget_get_control_frame (BONOBO_WIDGET (embedded));
prop_bag = bonobo_control_frame_get_control_property_bag ( control_frame, NULL );
if (prop_bag != CORBA_OBJECT_NIL){
CORBA_Environment ev;
/*
* 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;
CORBA_exception_init (&ev);
from = camel_mime_message_get_from (md->current_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);
CORBA_exception_free (&ev);
}
return embedded;
}
static void *
save_url (MailDisplay *md, const char *url)
{
GHashTable *urls;
CamelMimePart *part;
urls = g_datalist_get_data (md->data, "part_urls");
g_return_val_if_fail (urls != NULL, NULL);
part = g_hash_table_lookup (urls, url);
if (part == NULL) {
GByteArray *ba;
urls = g_datalist_get_data (md->data, "data_urls");
g_return_val_if_fail (urls != NULL, NULL);
/* See if it's some piece of cached data if it is then pretend it
* is a mime part so that we can use the mime part saveing routines.
* It is gross but it keeps duplicated code to a minimum and helps
* out with ref counting and the like.
*/
ba = g_hash_table_lookup (urls, url);
if (ba) {
CamelStream *memstream;
CamelDataWrapper *wrapper;
const char *name;
name = strrchr (url, '/');
name = name ? name : url;
/* we have to copy the data here since the ba may be long gone
* by the time the user actually saves the file
*/
memstream = camel_stream_mem_new_with_buffer (ba->data, ba->len);
wrapper = camel_data_wrapper_new ();
camel_data_wrapper_construct_from_stream (wrapper, memstream);
camel_object_unref (CAMEL_OBJECT (memstream));
part = camel_mime_part_new ();
camel_medium_set_content_object (CAMEL_MEDIUM (part), wrapper);
camel_object_unref (CAMEL_OBJECT (wrapper));
camel_mime_part_set_filename (part, name);
}
} else {
camel_object_ref (CAMEL_OBJECT (part));
}
if (part) {
CamelDataWrapper *data;
g_return_val_if_fail (CAMEL_IS_MIME_PART (part), NULL);
data = camel_medium_get_content_object ((CamelMedium *)part);
if (!mail_content_loaded (data, md, TRUE, NULL, NULL, NULL)) {
return NULL;
}
save_part (part);
camel_object_unref (CAMEL_OBJECT (part));
return NULL;
}
g_warning ("part not found");
return NULL;
}
static void
drag_data_get_cb (GtkWidget *widget,
GdkDragContext *drag_context,
GtkSelectionData *selection_data,
guint info,
guint time,
gpointer user_data)
{
CamelMimePart *part = user_data;
const char *filename, *tmpdir;
char *uri_list;
switch (info) {
case DND_TARGET_TYPE_TEXT_URI_LIST:
/* Kludge around Nautilus requesting the same data many times */
uri_list = gtk_object_get_data (GTK_OBJECT (widget), "uri-list");
if (uri_list) {
gtk_selection_data_set (selection_data, selection_data->target, 8,
uri_list, strlen (uri_list));
return;
}
tmpdir = e_mkdtemp ("drag-n-drop-XXXXXX");
if (!tmpdir) {
char *msg;
msg = g_strdup_printf (_("Could not create temporary directory: %s"),
g_strerror (errno));
gnome_error_dialog (msg);
g_free (msg);
}
filename = camel_mime_part_get_filename (part);
if (!filename)
filename = _("Unknown");
uri_list = g_strdup_printf ("file://%s/%s", tmpdir, filename);
if (!write_data_to_file (part, uri_list + 7, TRUE)) {
g_free (uri_list);
return;
}
gtk_selection_data_set (selection_data, selection_data->target, 8,
uri_list, strlen (uri_list));
gtk_object_set_data_full (GTK_OBJECT (widget), "uri-list", uri_list, g_free);
break;
default:
g_assert_not_reached ();
}
}
static void
drag_data_delete_cb (GtkWidget *widget,
GdkDragContext *drag_context,
gpointer user_data)
{
char *uri_list;
uri_list = gtk_object_get_data (GTK_OBJECT (widget), "uri-list");
if (uri_list) {
gtk_object_set_data (GTK_OBJECT (widget), "uri-list", NULL);
unlink (uri_list + 7);
g_free (uri_list);
}
}
static gboolean
do_attachment_header (GtkHTML *html, GtkHTMLEmbedded *eb,
CamelMimePart *part, MailDisplay *md)
{
GtkWidget *button, *mainbox, *hbox, *arrow, *popup;
MailMimeHandler *handler;
struct _PixbufLoader *pbl;
pbl = g_new0 (struct _PixbufLoader, 1);
if (g_strncasecmp (eb->type, "image/", 6) == 0) {
CamelDataWrapper *content;
content = camel_medium_get_content_object (CAMEL_MEDIUM (part));
if (!camel_data_wrapper_is_offline (content)) {
pbl->mstream = camel_stream_mem_new ();
camel_data_wrapper_write_to_stream (content, pbl->mstream);
camel_stream_reset (pbl->mstream);
}
}
pbl->type = g_strdup (eb->type);
pbl->cid = g_strdup (eb->classid + 6);
pbl->pixmap = bonobo_ui_toolbar_icon_new ();
gtk_widget_set_usize (pbl->pixmap, 24, 24);
pbl->eb = eb;
pbl->destroy_id = gtk_signal_connect (GTK_OBJECT (eb), "destroy",
embeddable_destroy_cb, pbl);
g_idle_add_full (G_PRIORITY_LOW, (GSourceFunc)pixbuf_gen_idle,
pbl, NULL);
mainbox = gtk_hbox_new (FALSE, 0);
button = gtk_button_new ();
GTK_WIDGET_UNSET_FLAGS (button, GTK_CAN_FOCUS);
gtk_object_set_data (GTK_OBJECT (button), "MailDisplay", md);
gtk_signal_connect (GTK_OBJECT (button), "clicked",
GTK_SIGNAL_FUNC (button_press), part);
handler = mail_lookup_handler (eb->type);
if (handler && handler->builtin)
gtk_widget_set_sensitive (button, TRUE);
else
gtk_widget_set_sensitive (button, FALSE);
/* Drag & Drop */
gtk_drag_source_set (button, GDK_BUTTON1_MASK,
drag_types, num_drag_types,
GDK_ACTION_MOVE);
gtk_signal_connect (GTK_OBJECT (button), "drag-data-get",
drag_data_get_cb, part);
gtk_signal_connect (GTK_OBJECT (button), "drag-data-delete",
drag_data_delete_cb, part);
hbox = gtk_hbox_new (FALSE, 2);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 2);
if (handler && mail_part_is_displayed_inline (part, md))
arrow = gnome_stock_new_with_icon (GNOME_STOCK_PIXMAP_DOWN);
else
arrow = gnome_stock_new_with_icon (GNOME_STOCK_PIXMAP_FORWARD);
gtk_box_pack_start (GTK_BOX (hbox), arrow, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (hbox), pbl->pixmap, TRUE, TRUE, 0);
gtk_container_add (GTK_CONTAINER (button), hbox);
popup = gtk_button_new ();
GTK_WIDGET_UNSET_FLAGS (popup, GTK_CAN_FOCUS);
gtk_container_add (GTK_CONTAINER (popup),
gtk_arrow_new (GTK_ARROW_DOWN,
GTK_SHADOW_ETCHED_IN));
gtk_object_set_data (GTK_OBJECT (popup), "MailDisplay", md);
gtk_object_set_data (GTK_OBJECT (popup), "CamelMimePart", part);
gtk_object_set_data_full (GTK_OBJECT (popup), "mime_type",
g_strdup (eb->type), (GDestroyNotify)g_free);
gtk_signal_connect (GTK_OBJECT (popup), "button_press_event",
GTK_SIGNAL_FUNC (pixmap_press), md->scroll);
gtk_box_pack_start (GTK_BOX (mainbox), button, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (mainbox), popup, TRUE, TRUE, 0);
gtk_widget_show_all (mainbox);
gtk_container_add (GTK_CONTAINER (eb), mainbox);
return TRUE;
}
static gboolean
do_external_viewer (GtkHTML *html, GtkHTMLEmbedded *eb,
CamelMimePart *part, MailDisplay *md)
{
CamelDataWrapper *wrapper;
OAF_ServerInfo *component;
GtkWidget *embedded;
BonoboObjectClient *server;
Bonobo_PersistStream persist;
CORBA_Environment ev;
GByteArray *ba;
CamelStream *cstream;
BonoboStream *bstream;
component = gnome_vfs_mime_get_default_component (eb->type);
if (!component)
return FALSE;
embedded = get_embedded_for_component (component->iid, md);
CORBA_free (component);
if (!embedded)
return FALSE;
server = bonobo_widget_get_server (BONOBO_WIDGET (embedded));
persist = (Bonobo_PersistStream) bonobo_object_client_query_interface (
server, "IDL:Bonobo/PersistStream:1.0", NULL);
if (persist == CORBA_OBJECT_NIL) {
gtk_object_sink (GTK_OBJECT (embedded));
return FALSE;
}
/* Write the data to a CamelStreamMem... */
ba = g_byte_array_new ();
cstream = camel_stream_mem_new_with_byte_array (ba);
wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part));
camel_data_wrapper_write_to_stream (wrapper, cstream);
/* ...convert the CamelStreamMem to a BonoboStreamMem... */
bstream = bonobo_stream_mem_create (ba->data, ba->len, TRUE, FALSE);
camel_object_unref (CAMEL_OBJECT (cstream));
/* ...and hydrate the PersistStream from the BonoboStream. */
CORBA_exception_init (&ev);
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 (GTK_OBJECT (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
do_signature (GtkHTML *html, GtkHTMLEmbedded *eb,
CamelMimePart *part, MailDisplay *md)
{
GtkWidget *button;
struct _PixbufLoader *pbl;
pbl = g_new0 (struct _PixbufLoader, 1);
pbl->type = NULL;
pbl->cid = g_strdup (eb->classid);
pbl->pixmap = bonobo_ui_toolbar_icon_new ();
gtk_widget_set_usize (pbl->pixmap, 24, 24);
pbl->eb = eb;
pbl->destroy_id = gtk_signal_connect (GTK_OBJECT (eb), "destroy",
embeddable_destroy_cb, pbl);
g_idle_add_full (G_PRIORITY_LOW, (GSourceFunc)pixbuf_gen_idle,
pbl, NULL);
button = gtk_button_new ();
GTK_WIDGET_UNSET_FLAGS (button, GTK_CAN_FOCUS);
gtk_object_set_data (GTK_OBJECT (button), "MailDisplay", md);
gtk_signal_connect (GTK_OBJECT (button), "clicked",
GTK_SIGNAL_FUNC (button_press), part);
gtk_container_add (GTK_CONTAINER (button), pbl->pixmap);
gtk_widget_show_all (button);
gtk_container_add (GTK_CONTAINER (eb), button);
return TRUE;
}
static gboolean
on_object_requested (GtkHTML *html, GtkHTMLEmbedded *eb, gpointer data)
{
MailDisplay *md = data;
GHashTable *urls;
CamelMimePart *part;
if (!eb->classid)
return FALSE;
urls = g_datalist_get_data (md->data, "part_urls");
if (!urls)
return FALSE;
if (!strncmp (eb->classid, "popup:", 6) && eb->type) {
part = g_hash_table_lookup (urls, eb->classid + 6);
if (!CAMEL_IS_MIME_PART (part))
return FALSE;
return do_attachment_header (html, eb, part, md);
} else if (!strncmp (eb->classid, "signature:", 10)) {
part = g_hash_table_lookup (urls, eb->classid);
if (!CAMEL_IS_MIME_PART (part))
return FALSE;
return do_signature (html, eb, part, md);
} else if (!strncmp (eb->classid, "cid:", 4) && eb->type) {
part = g_hash_table_lookup (urls, eb->classid);
if (!CAMEL_IS_MIME_PART (part))
return FALSE;
return do_external_viewer (html, eb, part, md);
}
return FALSE;
}
static void
load_http (MailDisplay *md, gpointer data)
{
char *url = data;
GHashTable *urls;
GnomeVFSHandle *handle;
GnomeVFSFileSize read;
GnomeVFSResult result;
GByteArray *ba;
char buf[8192];
size_t total = 0;
urls = g_datalist_get_data (md->data, "data_urls");
ba = g_hash_table_lookup (urls, url);
g_return_if_fail (ba != NULL);
if (gnome_vfs_open (&handle, url, GNOME_VFS_OPEN_READ) != GNOME_VFS_OK) {
#if 0
printf ("failed to open %s\n", url);
#endif
g_free (url);
return;
}
while ((result = gnome_vfs_read (handle, buf, sizeof (buf), &read)) == GNOME_VFS_OK) {
printf ("%s: read %d bytes\n", url, (int) read);
g_byte_array_append (ba, buf, read);
total += read;
}
gnome_vfs_close (handle);
printf ("gnome_vfs_read result is %d; read %d total bytes\n", result, total);
#if 0
if (!ba->len)
printf ("no data in %s\n", url);
#endif
g_free (url);
}
static void
ebook_callback (EBook *book, const gchar *addr, ECard *card, gpointer data)
{
MailDisplay *md = data;
if (card && md->current_message) {
const CamelInternetAddress *from = camel_mime_message_get_from (md->current_message);
const char *md_name = NULL, *md_addr = NULL;
/* We are extra anal, in case we are dealing with some sort of pathological message
w/o a From: header. */
if (from != NULL && camel_internet_address_get (from, 0, &md_name, &md_addr)) {
if (md_addr != NULL && !strcmp (addr, md_addr))
mail_display_load_images (md);
}
}
}
static void
on_url_requested (GtkHTML *html, const char *url, GtkHTMLStream *handle,
gpointer user_data)
{
MailDisplay *md = user_data;
GHashTable *urls;
CamelMedium *medium;
GByteArray *ba;
urls = g_datalist_get_data (md->data, "part_urls");
g_return_if_fail (urls != NULL);
/* See if it refers to a MIME part (cid: or http:) */
medium = g_hash_table_lookup (urls, url);
if (medium) {
CamelContentType *content_type;
CamelDataWrapper *data;
g_return_if_fail (CAMEL_IS_MEDIUM (medium));
if (md->related)
g_hash_table_remove(md->related, medium);
data = camel_medium_get_content_object (medium);
if (!mail_content_loaded (data, md, FALSE, url, html, handle))
return;
content_type = camel_data_wrapper_get_mime_type_field (data);
if (header_content_type_is (content_type, "text", "*")) {
ba = mail_format_get_data_wrapper_text (data, md);
if (ba) {
gtk_html_write (html, handle, ba->data, ba->len);
g_byte_array_free (ba, TRUE);
}
} else {
CamelStream *html_stream;
html_stream = mail_stream_gtkhtml_new (html, handle);
camel_data_wrapper_write_to_stream (data, html_stream);
camel_object_unref (CAMEL_OBJECT (html_stream));
}
gtk_html_end (html, handle, GTK_HTML_STREAM_OK);
return;
}
urls = g_datalist_get_data (md->data, "data_urls");
g_return_if_fail (urls != NULL);
/* See if it's some piece of cached data */
ba = g_hash_table_lookup (urls, url);
if (ba) {
if (ba->len) {
gtk_html_write (html, handle, ba->data, ba->len);
/* printf ("-- begin --\n");
printf (ba->data);
printf ("-- end --\n"); */
}
gtk_html_end (html, handle, GTK_HTML_STREAM_OK);
return;
}
/* See if it's something we can load. */
if (strncmp (url, "http:", 5) == 0) {
if (mail_config_get_http_mode () == MAIL_CONFIG_HTTP_ALWAYS ||
g_datalist_get_data (md->data, "load_images")) {
ba = g_byte_array_new ();
g_hash_table_insert (urls, g_strdup (url), ba);
mail_display_stream_write_when_loaded (md, ba, url, load_http, html, handle,
g_strdup (url));
} else if (mail_config_get_http_mode () == MAIL_CONFIG_HTTP_SOMETIMES &&
!g_datalist_get_data (md->data, "checking_from")) {
const CamelInternetAddress *from = camel_mime_message_get_from (md->current_message);
const char *name, *addr;
g_datalist_set_data (md->data, "checking_from",
GINT_TO_POINTER (1));
/* Make sure we aren't deal w/ some sort of a pathological message w/o a From: header */
if (from != NULL && camel_internet_address_get (from, 0, &name, &addr))
e_book_query_address_locally (addr, ebook_callback, md);
else
gtk_html_end (html, handle, GTK_HTML_STREAM_ERROR);
}
}
}
struct _load_content_msg {
struct _mail_msg msg;
MailDisplay *display;
GtkHTML *html;
GtkHTMLStream *handle;
int redisplay_counter;
char *url;
CamelMimeMessage *message;
void (*callback)(MailDisplay *, gpointer);
gpointer data;
};
static char *
load_content_desc (struct _mail_msg *mm, int done)
{
return g_strdup (_("Loading message content"));
}
static void
load_content_load (struct _mail_msg *mm)
{
struct _load_content_msg *m = (struct _load_content_msg *)mm;
m->callback (m->display, m->data);
}
static gboolean
try_part_urls (struct _load_content_msg *m)
{
GHashTable *urls;
CamelMedium *medium;
urls = g_datalist_get_data (m->display->data, "part_urls");
g_return_val_if_fail (urls != NULL, FALSE);
/* See if it refers to a MIME part (cid: or http:) */
medium = g_hash_table_lookup (urls, m->url);
if (medium) {
CamelDataWrapper *data;
CamelStream *html_stream;
g_return_val_if_fail (CAMEL_IS_MEDIUM (medium), FALSE);
data = camel_medium_get_content_object (medium);
if (!mail_content_loaded (data, m->display, FALSE, m->url, m->html, m->handle)) {
g_warning ("This code should not be reached\n");
return TRUE;
}
html_stream = mail_stream_gtkhtml_new (m->html, m->handle);
camel_data_wrapper_write_to_stream (data, html_stream);
camel_object_unref (CAMEL_OBJECT (html_stream));
gtk_html_end (m->html, m->handle, GTK_HTML_STREAM_OK);
return TRUE;
}
return FALSE;
}
static gboolean
try_data_urls (struct _load_content_msg *m)
{
GHashTable *urls;
GByteArray *ba;
urls = g_datalist_get_data (m->display->data, "data_urls");
ba = g_hash_table_lookup (urls, m->url);
printf ("url: %s data: %p len: %d\n", m->url, ba, ba ? ba->len : -1);
if (ba) {
if (ba->len) {
printf ("writing ...\n");
gtk_html_write (m->html, m->handle, ba->data, ba->len);
}
gtk_html_end (m->html, m->handle, GTK_HTML_STREAM_OK);
return TRUE;
}
return FALSE;
}
static void
load_content_loaded (struct _mail_msg *mm)
{
struct _load_content_msg *m = (struct _load_content_msg *)mm;
if (GTK_OBJECT_DESTROYED (m->display))
return;
if (m->display->current_message == m->message) {
if (m->handle) {
printf ("handle: %p orig: %d actual: %d\n", m->handle,
m->redisplay_counter,
m->display->redisplay_counter);
if (m->redisplay_counter == m->display->redisplay_counter) {
if (!try_part_urls (m) && !try_data_urls (m))
gtk_html_end (m->html, m->handle, GTK_HTML_STREAM_ERROR);
}
} else
mail_display_redisplay (m->display, FALSE);
}
}
static void
load_content_free (struct _mail_msg *mm)
{
struct _load_content_msg *m = (struct _load_content_msg *)mm;
g_free (m->url);
gtk_object_unref (GTK_OBJECT (m->html));
gtk_object_unref (GTK_OBJECT (m->display));
camel_object_unref (CAMEL_OBJECT (m->message));
}
static struct _mail_msg_op load_content_op = {
load_content_desc,
load_content_load,
load_content_loaded,
load_content_free,
};
static void
stream_write_or_redisplay_when_loaded (MailDisplay *md,
GtkHTML *html,
gconstpointer key,
const gchar *url,
void (*callback)(MailDisplay *, gpointer),
GtkHTMLStream *handle,
gpointer data)
{
struct _load_content_msg *m;
GHashTable *loading;
if (GTK_OBJECT_DESTROYED (md))
return;
loading = g_datalist_get_data (md->data, "loading");
if (loading) {
if (g_hash_table_lookup (loading, key))
return;
} else {
loading = g_hash_table_new (NULL, NULL);
g_datalist_set_data_full (md->data, "loading", loading,
(GDestroyNotify)g_hash_table_destroy);
}
g_hash_table_insert (loading, (gpointer)key, GINT_TO_POINTER (1));
m = mail_msg_new (&load_content_op, NULL, sizeof (*m));
m->display = md;
gtk_object_ref (GTK_OBJECT (m->display));
m->html = html;
gtk_object_ref (GTK_OBJECT (html));
m->handle = handle;
m->url = g_strdup (url);
m->redisplay_counter = md->redisplay_counter;
m->message = md->current_message;
camel_object_ref (CAMEL_OBJECT (m->message));
m->callback = callback;
m->data = data;
e_thread_put (mail_thread_queued, (EMsg *)m);
return;
}
void
mail_display_stream_write_when_loaded (MailDisplay *md,
gconstpointer key,
const char *url,
void (*callback)(MailDisplay *, gpointer),
GtkHTML *html,
GtkHTMLStream *handle,
gpointer data)
{
stream_write_or_redisplay_when_loaded (md, html, key, url, callback, handle, data);
}
void
mail_display_redisplay_when_loaded (MailDisplay *md,
gconstpointer key,
void (*callback)(MailDisplay *, gpointer),
GtkHTML *html,
gpointer data)
{
stream_write_or_redisplay_when_loaded (md, html, key, NULL, callback, NULL, data);
}
void
mail_text_write (GtkHTML *html, GtkHTMLStream *stream, gboolean printing, const char *text)
{
guint flags;
char *htmltext;
flags = E_TEXT_TO_HTML_CONVERT_NL | E_TEXT_TO_HTML_CONVERT_SPACES;
if (!printing)
flags |= E_TEXT_TO_HTML_CONVERT_URLS | E_TEXT_TO_HTML_CONVERT_ADDRESSES;
if (mail_config_get_citation_highlight () && ! printing)
flags |= E_TEXT_TO_HTML_MARK_CITATION;
htmltext = e_text_to_html_full (text, flags, mail_config_get_citation_color ());
gtk_html_write (html, stream, "<tt>", 4);
gtk_html_write (html, stream, htmltext, strlen (htmltext));
gtk_html_write (html, stream, "</tt>", 5);
g_free (htmltext);
}
void
mail_error_printf (GtkHTML *html, GtkHTMLStream *stream,
const char *format, ...)
{
char *buf, *htmltext;
va_list ap;
va_start (ap, format);
buf = g_strdup_vprintf (format, ap);
va_end (ap);
htmltext = e_text_to_html (buf, E_TEXT_TO_HTML_CONVERT_NL | E_TEXT_TO_HTML_CONVERT_URLS);
g_free (buf);
gtk_html_stream_printf (stream, "<em><font color=red>");
gtk_html_stream_write (stream, htmltext, strlen (htmltext));
gtk_html_stream_printf (stream, "</font></em>");
g_free (htmltext);
}
static void
clear_data (CamelObject *object, gpointer event_data, gpointer user_data)
{
GData *data = user_data;
g_datalist_clear (&data);
}
#define COLOR_IS_LIGHT(r, g, b) ((r + g + b) > (128 * 3))
void
mail_display_render (MailDisplay *md, GtkHTML *html, gboolean reset_scroll)
{
GtkHTMLStream *stream;
char bgcolor[7], fontcolor[7];
GtkStyle *style = NULL;
g_return_if_fail (IS_MAIL_DISPLAY (md));
g_return_if_fail (GTK_IS_HTML (html));
stream = gtk_html_begin (html);
if (!reset_scroll) {
/* This is a hack until there's a clean way to do this. */
GTK_HTML (md->html)->engine->newPage = FALSE;
}
mail_html_write (html, stream,
"<!doctype html public \"-//W3C//DTD HTML 4.0 TRANSITIONAL//EN\">\n"
"<html>\n"
"<head>\n<meta name=\"generator\" content=\"Evolution Mail Component\">\n</head>\n");
mail_html_write (html, stream, "<body marginwidth=0 marginheight=0>\n");
if (md->followup) {
/* my favorite thing to do... muck around with colors so we respect people's stupid themes. */
style = gtk_widget_get_style (GTK_WIDGET (html));
if (style && !md->printing) {
int state = GTK_WIDGET_STATE (GTK_WIDGET (html));
gushort r, g, b;
r = style->base[state].red / 256;
g = style->base[state].green / 256;
b = style->base[state].blue / 256;
if (COLOR_IS_LIGHT (r, g, b)) {
r *= 0.92;
g *= 0.92;
b *= 0.92;
} else {
r = 255 - (0.92 * (255 - r));
g = 255 - (0.92 * (255 - g));
b = 255 - (0.92 * (255 - b));
}
sprintf (bgcolor, "%.2X%.2X%.2X", r, g, b);
r = style->text[state].red / 256;
g = style->text[state].green / 256;
b = style->text[state].blue / 256;
sprintf (fontcolor, "%.2X%.2X%.2X", r, g, b);
} else {
strcpy (bgcolor, "EEEEEE");
strcpy (fontcolor, "000000");
}
gtk_html_stream_printf (stream, "<font color=\"#%s\">"
"<table width=\"100%%\" cellspacing=0 cellpading=0><tr><td width=\"100%%\">"
"<table bgcolor=\"#000000\" width=\"100%%\" cellspacing=0 cellpadding=1>"
"<tr><td><table bgcolor=\"#%s\" width=\"100%%\" cellpadding=0 cellspacing=0>"
"<tr>\n", fontcolor, bgcolor);
gtk_html_stream_printf (stream, "<td><img src=\"%s\"></td><td halign=left><b>%s</b></td>\n",
mail_display_get_url_for_icon (md, EVOLUTION_IMAGES "/flag-for-followup-16.png"),
message_tag_followup_i18n_name (md->followup->type));
mail_html_write (html, stream, "</tr></table></tr></table></td></tr></table></font>");
}
if (md->current_message) {
if (md->display_style == MAIL_CONFIG_DISPLAY_SOURCE)
mail_format_raw_message (md->current_message, md, html, stream);
else
mail_format_mime_message (md->current_message, md, html, stream);
}
mail_html_write (html, stream, "</body></html>\n");
gtk_html_end (html, stream, GTK_HTML_STREAM_OK);
}
/**
* mail_display_redisplay:
* @mail_display: the mail display object
* @reset_scroll: specifies whether or not to reset current scroll
*
* Force a redraw of the message display.
**/
void
mail_display_redisplay (MailDisplay *md, gboolean reset_scroll)
{
if (GTK_OBJECT_DESTROYED (md))
return;
md->last_active = NULL;
md->redisplay_counter++;
/* printf ("md %p redisplay %d\n", md, md->redisplay_counter); */
mail_display_render (md, md->html, reset_scroll);
}
/**
* mail_display_set_message:
* @mail_display: the mail display object
* @medium: the input camel medium, or %NULL
* @followup: followup value
*
* Makes the mail_display object show the contents of the medium
* param.
**/
void
mail_display_set_message (MailDisplay *md, CamelMedium *medium, const char *followup)
{
/* For the moment, we deal only with CamelMimeMessage, but in
* the future, we should be able to deal with any medium.
*/
if (medium && !CAMEL_IS_MIME_MESSAGE (medium))
return;
/* Clean up from previous message. */
if (md->current_message)
camel_object_unref (CAMEL_OBJECT (md->current_message));
g_free (md->followup);
md->current_message = (CamelMimeMessage *) medium;
md->followup = followup ? message_tag_followup_decode (followup) : NULL;
g_datalist_init (md->data);
mail_display_redisplay (md, TRUE);
if (medium) {
camel_object_hook_event (CAMEL_OBJECT (medium), "finalize",
clear_data, *(md->data));
}
}
/**
* mail_display_set_message:
* @mail_display: the mail display object
* @medium: the input camel medium, or %NULL
*
* Makes the mail_display object show the contents of the medium
* param.
**/
void
mail_display_set_charset (MailDisplay *mail_display, const char *charset)
{
g_free (mail_display->charset);
mail_display->charset = g_strdup (charset);
mail_display_queue_redisplay (mail_display);
}
/**
* mail_display_load_images:
* @md: the mail display object
*
* Load all HTTP images in the current message
**/
void
mail_display_load_images (MailDisplay *md)
{
g_datalist_set_data (md->data, "load_images", GINT_TO_POINTER (1));
mail_display_redisplay (md, FALSE);
}
/*----------------------------------------------------------------------*
* Standard Gtk+ Class functions
*----------------------------------------------------------------------*/
static void
mail_display_init (GtkObject *object)
{
MailDisplay *mail_display = MAIL_DISPLAY (object);
mail_display->current_message = NULL;
mail_display->scroll = NULL;
mail_display->html = NULL;
mail_display->redisplay_counter = 0;
mail_display->last_active = NULL;
mail_display->idle_id = 0;
mail_display->selection = NULL;
mail_display->charset = NULL;
mail_display->followup = NULL;
mail_display->current_message = NULL;
mail_display->data = NULL;
mail_display->invisible = gtk_invisible_new ();
mail_display->display_style = mail_config_get_message_display_style ();
mail_display->printing = FALSE;
}
static void
mail_display_destroy (GtkObject *object)
{
MailDisplay *mail_display = MAIL_DISPLAY (object);
gtk_object_unref (GTK_OBJECT (mail_display->html));
g_free (mail_display->charset);
g_free (mail_display->selection);
g_free (mail_display->followup);
g_datalist_clear (mail_display->data);
g_free (mail_display->data);
mail_display->data = NULL;
if (mail_display->idle_id)
gtk_timeout_remove (mail_display->idle_id);
gtk_widget_unref (mail_display->invisible);
mail_display_parent_class->destroy (object);
}
static void
invisible_selection_get_callback (GtkWidget *widget,
GtkSelectionData *selection_data,
guint info,
guint time,
void *data)
{
MailDisplay *display;
display = MAIL_DISPLAY (data);
if (!display->selection)
return;
g_assert (info == 1);
gtk_selection_data_set (selection_data, GDK_SELECTION_TYPE_STRING, 8,
display->selection, strlen (display->selection));
}
static gint
invisible_selection_clear_event_callback (GtkWidget *widget,
GdkEventSelection *event,
void *data)
{
MailDisplay *display;
display = MAIL_DISPLAY (data);
g_free (display->selection);
display->selection = NULL;
return TRUE;
}
static void
mail_display_class_init (GtkObjectClass *object_class)
{
object_class->destroy = mail_display_destroy;
mail_display_parent_class = gtk_type_class (PARENT_TYPE);
thumbnail_cache = g_hash_table_new (g_str_hash, g_str_equal);
}
static void
link_open_in_browser (GtkWidget *w, MailDisplay *mail_display)
{
on_link_clicked (mail_display->html, mail_display->html->pointer_url,
mail_display);
}
#if 0
static void
link_save_as (GtkWidget *w, MailDisplay *mail_display)
{
g_print ("FIXME save %s\n", mail_display->html->pointer_url);
}
#endif
static void
link_copy_location (GtkWidget *w, MailDisplay *mail_display)
{
GdkAtom clipboard_atom;
g_free (mail_display->selection);
mail_display->selection = g_strdup (mail_display->html->pointer_url);
clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE);
if (clipboard_atom == GDK_NONE)
return; /* failed */
/* We don't check the return values of the following since there is not
* much we can do if we cannot assert the selection.
*/
gtk_selection_owner_set (GTK_WIDGET (mail_display->invisible),
GDK_SELECTION_PRIMARY,
GDK_CURRENT_TIME);
gtk_selection_owner_set (GTK_WIDGET (mail_display->invisible),
clipboard_atom,
GDK_CURRENT_TIME);
}
static void
image_save_as (GtkWidget *w, MailDisplay *mail_display)
{
const char *src;
src = gtk_object_get_data (GTK_OBJECT (mail_display), "current_src_uri");
g_warning ("loading uri=%s", src);
save_url (mail_display, src);
}
enum {
/*
* This is used to mask the link specific menu items.
*/
MASK_URL = 1,
/*
* This is used to mask src specific menu items.
*/
MASK_SRC = 2
};
#define SEPARATOR { "", NULL, (NULL), NULL, 0 }
#define TERMINATOR { NULL, NULL, (NULL), NULL, 0 }
static EPopupMenu link_menu [] = {
E_POPUP_ITEM (N_("Open Link in Browser"), GTK_SIGNAL_FUNC (link_open_in_browser), MASK_URL),
E_POPUP_ITEM (N_("Copy Link Location"), GTK_SIGNAL_FUNC (link_copy_location), MASK_URL),
#if 0
E_POPUP_ITEM (N_("Save Link as (FIXME)"), GTK_SIGNAL_FUNC (link_save_as), MASK_URL),
#endif
E_POPUP_ITEM (N_("Save Image as..."), GTK_SIGNAL_FUNC (image_save_as), MASK_SRC),
TERMINATOR
};
/*
* Create a window and popup our widget, with reasonable semantics for the popup
* disappearing, etc.
*/
typedef struct _PopupInfo PopupInfo;
struct _PopupInfo {
GtkWidget *w;
GtkWidget *win;
guint destroy_timeout;
guint widget_destroy_handle;
Bonobo_EventSource_ListenerId listener_id;
gboolean hidden;
};
/* Aiieee! Global Data! */
static GtkWidget *the_popup = NULL;
static void
popup_info_free (PopupInfo *pop)
{
if (pop) {
if (pop->destroy_timeout)
gtk_timeout_remove (pop->destroy_timeout);
bonobo_event_source_client_remove_listener (bonobo_widget_get_objref (BONOBO_WIDGET (pop->w)),
pop->listener_id,
NULL);
g_free (pop);
}
}
static void
popup_window_destroy_cb (GtkWidget *w, gpointer user_data)
{
PopupInfo *pop = (PopupInfo *) user_data;
the_popup = NULL;
popup_info_free (pop);
}
static gint
popup_timeout_cb (gpointer user_data)
{
PopupInfo *pop = (PopupInfo *) user_data;
pop->destroy_timeout = 0;
gtk_widget_destroy (pop->win);
return 0;
}
static gint
popup_enter_cb (GtkWidget *w, GdkEventCrossing *ev, gpointer user_data)
{
PopupInfo *pop = (PopupInfo *) user_data;
if (pop->destroy_timeout)
gtk_timeout_remove (pop->destroy_timeout);
pop->destroy_timeout = 0;
return 0;
}
static gint
popup_leave_cb (GtkWidget *w, GdkEventCrossing *ev, gpointer user_data)
{
PopupInfo *pop = (PopupInfo *) user_data;
if (pop->destroy_timeout)
gtk_timeout_remove (pop->destroy_timeout);
if (!pop->hidden)
pop->destroy_timeout = gtk_timeout_add (500, popup_timeout_cb, pop);
return 0;
}
static void
popup_realize_cb (GtkWidget *widget, gpointer user_data)
{
PopupInfo *pop = (PopupInfo *) user_data;
gtk_widget_add_events (pop->win, GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
if (pop->destroy_timeout == 0) {
if (!pop->hidden) {
pop->destroy_timeout = gtk_timeout_add (5000, popup_timeout_cb, pop);
} else {
pop->destroy_timeout = 0;
}
}
}
static void
popup_size_allocate_cb (GtkWidget *widget, GtkAllocation *alloc, gpointer user_data)
{
gint x, y, w, h, xmax, ymax;
xmax = gdk_screen_width ();
ymax = gdk_screen_height ();
gdk_window_get_pointer (NULL, &x, &y, NULL);
w = alloc->width;
h = alloc->height;
x = CLAMP (x - w/2, 0, xmax - w);
y = CLAMP (y - h/2, 0, ymax - h);
gtk_widget_set_uposition (widget, x, y);
}
static PopupInfo *
make_popup_window (GtkWidget *w)
{
PopupInfo *pop = g_new0 (PopupInfo, 1);
GtkWidget *fr;
/* Only allow for one popup at a time. Ugly. */
if (the_popup)
gtk_widget_destroy (the_popup);
pop->w = w;
the_popup = pop->win = gtk_window_new (GTK_WINDOW_POPUP);
fr = gtk_frame_new (NULL);
gtk_container_add (GTK_CONTAINER (pop->win), fr);
gtk_container_add (GTK_CONTAINER (fr), w);
gtk_window_set_policy (GTK_WINDOW (pop->win), FALSE, FALSE, FALSE);
gtk_signal_connect (GTK_OBJECT (pop->win),
"destroy",
GTK_SIGNAL_FUNC (popup_window_destroy_cb),
pop);
gtk_signal_connect (GTK_OBJECT (pop->win),
"enter_notify_event",
GTK_SIGNAL_FUNC (popup_enter_cb),
pop);
gtk_signal_connect (GTK_OBJECT (pop->win),
"leave_notify_event",
GTK_SIGNAL_FUNC (popup_leave_cb),
pop);
gtk_signal_connect_after (GTK_OBJECT (pop->win),
"realize",
GTK_SIGNAL_FUNC (popup_realize_cb),
pop);
gtk_signal_connect (GTK_OBJECT (pop->win),
"size_allocate",
GTK_SIGNAL_FUNC (popup_size_allocate_cb),
pop);
gtk_widget_show (w);
gtk_widget_show (fr);
gtk_widget_show (pop->win);
return pop;
}
static void
listener_cb (BonoboListener *listener,
char *event_name,
CORBA_any *any,
CORBA_Environment *ev,
gpointer user_data)
{
PopupInfo *pop;
char *type;
pop = user_data;
if (pop->destroy_timeout)
gtk_timeout_remove (pop->destroy_timeout);
pop->destroy_timeout = 0;
type = bonobo_event_subtype (event_name);
if (!strcmp (type, "Destroy")) {
gtk_widget_destroy (GTK_WIDGET (pop->win));
} else if (!strcmp (type, "Hide")) {
pop->hidden = TRUE;
gtk_widget_hide (GTK_WIDGET (pop->win));
}
g_free (type);
}
static int
html_button_press_event (GtkWidget *widget, GdkEventButton *event, MailDisplay *mail_display)
{
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (event->type == GDK_BUTTON_PRESS) {
if (event->button == 3) {
HTMLEngine *e;
HTMLPoint *point;
GtkWidget *popup_thing;
e = GTK_HTML (widget)->engine;
point = html_engine_get_point_at (e, event->x + e->x_offset, event->y + e->y_offset, FALSE);
if (point) {
const gchar *url;
const gchar *src;
url = html_object_get_url (point->object);
src = html_object_get_src (point->object);
if (url && !g_strncasecmp (url, "mailto:", 7)) {
PopupInfo *pop;
gchar *url_decoded;
url_decoded = gtk_html_get_url_object_relative (GTK_HTML (widget),
point->object,
url);
camel_url_decode (url_decoded);
popup_thing = bonobo_widget_new_control ("OAFIID:GNOME_Evolution_Addressbook_AddressPopup",
CORBA_OBJECT_NIL);
bonobo_widget_set_property (BONOBO_WIDGET (popup_thing),
"email", url_decoded+7,
NULL);
g_free (url_decoded);
pop = make_popup_window (popup_thing);
pop->listener_id =
bonobo_event_source_client_add_listener (bonobo_widget_get_objref (BONOBO_WIDGET (popup_thing)),
listener_cb, NULL, NULL, pop);
} else if (url || src) {
gint hide_mask = 0;
if (!url)
hide_mask |= MASK_URL;
if (!src)
hide_mask |= MASK_SRC;
g_free (gtk_object_get_data (GTK_OBJECT (mail_display), "current_src_uri"));
gtk_object_set_data (GTK_OBJECT (mail_display), "current_src_uri",
gtk_html_get_url_object_relative (GTK_HTML (widget),
point->object,
src));
e_popup_menu_run (link_menu, (GdkEvent *) event, 0, hide_mask, mail_display);
}
html_point_destroy (point);
}
return TRUE;
}
}
return FALSE;
}
static inline void
set_underline (HTMLEngine *e, HTMLObject *o, gboolean underline)
{
HTMLText *text = HTML_TEXT (o);
html_text_set_font_style (text, e, underline
? html_text_get_font_style (text) | GTK_HTML_FONT_STYLE_UNDERLINE
: html_text_get_font_style (text) & ~GTK_HTML_FONT_STYLE_UNDERLINE);
html_engine_queue_draw (e, o);
}
static void
update_active (GtkWidget *widget, gint x, gint y, MailDisplay *mail_display)
{
HTMLEngine *e;
HTMLPoint *point;
const gchar *email;
e = GTK_HTML (widget)->engine;
point = html_engine_get_point_at (e, x + e->x_offset, y + e->y_offset, FALSE);
if (mail_display->last_active && (!point || mail_display->last_active != point->object)) {
set_underline (e, HTML_OBJECT (mail_display->last_active), FALSE);
mail_display->last_active = NULL;
}
if (point) {
email = (const gchar *) html_object_get_data (point->object, "email");
if (email && html_object_is_text (point->object)) {
set_underline (e, point->object, TRUE);
mail_display->last_active = point->object;
}
html_point_destroy (point);
}
}
static gint
html_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event, MailDisplay *mail_display)
{
update_active (widget, event->x, event->y, mail_display);
return TRUE;
}
static gint
html_motion_notify_event (GtkWidget *widget, GdkEventMotion *event, MailDisplay *mail_display)
{
gint x, y;
g_return_val_if_fail (widget != NULL, 0);
g_return_val_if_fail (GTK_IS_HTML (widget), 0);
g_return_val_if_fail (event != NULL, 0);
if (event->is_hint)
gdk_window_get_pointer (GTK_LAYOUT (widget)->bin_window, &x, &y, NULL);
else {
x = event->x;
y = event->y;
}
update_active (widget, x, y, mail_display);
return TRUE;
}
static void
html_iframe_created (GtkWidget *w, GtkHTML *iframe, MailDisplay *mail_display)
{
gtk_signal_connect (GTK_OBJECT (iframe), "button_press_event",
GTK_SIGNAL_FUNC (html_button_press_event), mail_display);
gtk_signal_connect (GTK_OBJECT (iframe), "motion_notify_event",
GTK_SIGNAL_FUNC (html_motion_notify_event), mail_display);
gtk_signal_connect (GTK_OBJECT (iframe), "enter_notify_event",
GTK_SIGNAL_FUNC (html_enter_notify_event), mail_display);
}
static GNOME_Evolution_ShellView
retrieve_shell_view_interface_from_control (BonoboControl *control)
{
Bonobo_ControlFrame control_frame;
GNOME_Evolution_ShellView shell_view_interface;
CORBA_Environment ev;
control_frame = bonobo_control_get_control_frame (control);
if (control_frame == NULL)
return CORBA_OBJECT_NIL;
CORBA_exception_init (&ev);
shell_view_interface = Bonobo_Unknown_queryInterface (control_frame,
"IDL:GNOME/Evolution/ShellView:1.0",
&ev);
CORBA_exception_free (&ev);
if (shell_view_interface != CORBA_OBJECT_NIL)
gtk_object_set_data (GTK_OBJECT (control),
"mail_threads_shell_view_interface",
shell_view_interface);
else
g_warning ("Control frame doesn't have Evolution/ShellView.");
return shell_view_interface;
}
static void
set_status_message (const char *message, int busy)
{
EList *controls;
EIterator *it;
controls = folder_browser_factory_get_control_list ();
for (it = e_list_get_iterator (controls); e_iterator_is_valid (it); e_iterator_next (it)) {
BonoboControl *control;
GNOME_Evolution_ShellView shell_view_interface;
CORBA_Environment ev;
control = BONOBO_CONTROL (e_iterator_get (it));
shell_view_interface = gtk_object_get_data (GTK_OBJECT (control), "mail_threads_shell_view_interface");
if (shell_view_interface == CORBA_OBJECT_NIL)
shell_view_interface = retrieve_shell_view_interface_from_control (control);
CORBA_exception_init (&ev);
if (shell_view_interface != CORBA_OBJECT_NIL) {
if (message != NULL)
GNOME_Evolution_ShellView_setMessage (shell_view_interface,
message[0] ? message: "",
busy,
&ev);
}
CORBA_exception_free (&ev);
/* yeah we only set the first one. Why? Because it seems to leave
random ones lying around otherwise. Shrug. */
break;
}
gtk_object_unref (GTK_OBJECT(it));
}
/* For now show every url but possibly limit it to showing only http:
or ftp: urls */
static void
html_on_url (GtkHTML *html,
const char *url,
MailDisplay *mail_display)
{
static char *previous_url = NULL;
/* This all looks silly but yes, this is the proper way to mix
GtkHTML's on_url with BonoboUIComponent statusbar */
if (!url || (previous_url && (strcmp (url, previous_url) != 0)))
set_status_message ("", FALSE);
if (url) {
set_status_message (url, FALSE);
g_free (previous_url);
previous_url = g_strdup (url);
}
}
GtkWidget *
mail_display_new (void)
{
MailDisplay *mail_display = gtk_type_new (mail_display_get_type ());
GtkWidget *scroll, *html;
GdkAtom clipboard_atom;
HTMLTokenizer *tok;
gtk_box_set_homogeneous (GTK_BOX (mail_display), FALSE);
gtk_widget_show (GTK_WIDGET (mail_display));
scroll = e_scroll_frame_new (NULL, NULL);
e_scroll_frame_set_policy (E_SCROLL_FRAME (scroll),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
e_scroll_frame_set_shadow_type (E_SCROLL_FRAME (scroll), GTK_SHADOW_IN);
gtk_box_pack_start_defaults (GTK_BOX (mail_display), GTK_WIDGET (scroll));
gtk_widget_show (GTK_WIDGET (scroll));
html = gtk_html_new ();
tok = e_searching_tokenizer_new ();
html_engine_set_tokenizer (GTK_HTML (html)->engine, tok);
gtk_object_unref (GTK_OBJECT (tok));
mail_display_initialize_gtkhtml (mail_display, GTK_HTML (html));
gtk_container_add (GTK_CONTAINER (scroll), html);
gtk_widget_show (GTK_WIDGET (html));
gtk_signal_connect (GTK_OBJECT (mail_display->invisible), "selection_get",
GTK_SIGNAL_FUNC (invisible_selection_get_callback), mail_display);
gtk_signal_connect (GTK_OBJECT (mail_display->invisible), "selection_clear_event",
GTK_SIGNAL_FUNC (invisible_selection_clear_event_callback), mail_display);
gtk_selection_add_target (mail_display->invisible,
GDK_SELECTION_PRIMARY, GDK_SELECTION_TYPE_STRING, 1);
clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE);
if (clipboard_atom != GDK_NONE)
gtk_selection_add_target (mail_display->invisible,
clipboard_atom, GDK_SELECTION_TYPE_STRING, 1);
mail_display->scroll = E_SCROLL_FRAME (scroll);
mail_display->html = GTK_HTML (html);
gtk_object_ref (GTK_OBJECT (mail_display->html));
mail_display->last_active = NULL;
mail_display->data = g_new0 (GData *, 1);
g_datalist_init (mail_display->data);
return GTK_WIDGET (mail_display);
}
void
mail_display_initialize_gtkhtml (MailDisplay *mail_display, GtkHTML *html)
{
gtk_html_set_default_content_type (GTK_HTML (html),
"text/html; charset=utf-8");
gtk_html_set_editable (GTK_HTML (html), FALSE);
gtk_signal_connect (GTK_OBJECT (html), "url_requested",
GTK_SIGNAL_FUNC (on_url_requested),
mail_display);
gtk_signal_connect (GTK_OBJECT (html), "object_requested",
GTK_SIGNAL_FUNC (on_object_requested),
mail_display);
gtk_signal_connect (GTK_OBJECT (html), "link_clicked",
GTK_SIGNAL_FUNC (on_link_clicked),
mail_display);
gtk_signal_connect (GTK_OBJECT (html), "button_press_event",
GTK_SIGNAL_FUNC (html_button_press_event), mail_display);
gtk_signal_connect (GTK_OBJECT (html), "motion_notify_event",
GTK_SIGNAL_FUNC (html_motion_notify_event), mail_display);
gtk_signal_connect (GTK_OBJECT (html), "enter_notify_event",
GTK_SIGNAL_FUNC (html_enter_notify_event), mail_display);
gtk_signal_connect (GTK_OBJECT (html), "iframe_created",
GTK_SIGNAL_FUNC (html_iframe_created), mail_display);
gtk_signal_connect (GTK_OBJECT (html), "on_url",
GTK_SIGNAL_FUNC (html_on_url), mail_display);
}
char *
mail_display_add_url (MailDisplay *md, const char *kind, char *url, gpointer data)
{
GHashTable *urls;
gpointer old_key, old_value;
urls = g_datalist_get_data (md->data, kind);
g_return_val_if_fail (urls != NULL, NULL);
if (g_hash_table_lookup_extended (urls, url, &old_key, &old_value)) {
g_free (url);
url = old_key;
}
g_hash_table_insert (urls, url, data);
return url;
}
const char *
mail_display_get_url_for_icon (MailDisplay *md, const char *icon_name)
{
char *icon_path, buf[1024], *url;
int fd, nread;
GByteArray *ba;
/* FIXME: cache */
if (*icon_name == '/')
icon_path = g_strdup (icon_name);
else {
icon_path = gnome_pixmap_file (icon_name);
if (!icon_path)
return "file:///dev/null";
}
fd = open (icon_path, O_RDONLY);
g_free (icon_path);
if (fd == -1)
return "file:///dev/null";
ba = g_byte_array_new ();
while (1) {
nread = read (fd, buf, sizeof (buf));
if (nread < 1)
break;
g_byte_array_append (ba, buf, nread);
}
close (fd);
url = g_strdup_printf ("x-evolution-data:%p", ba);
return mail_display_add_url (md, "data_urls", url, ba);
}
E_MAKE_TYPE (mail_display, "MailDisplay", MailDisplay, mail_display_class_init, mail_display_init, PARENT_TYPE);