/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * Authors: Dan Winship * Jeffrey Stedfast * Michael Zucchi * Miguel de Icaza * Larry Ewing * * Copyright 2002 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 #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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-display-stream.h" #include "folder-browser.h" #include "mail-config.h" #include "mail-display.h" #include "mail-format.h" #include "mail-ops.h" #include "mail-mt.h" #include "mail.h" #include "camel/camel-data-cache.h" #include "art/empty.xpm" #define d(x) struct _MailDisplayPrivate { /* because we want to control resource usage, we need our own queues, etc */ EDList fetch_active; EDList fetch_queue; /* used to try and make some sense with progress reporting */ int fetch_total; int fetch_total_done; /* bit hackish, 'fake' an async message and processing, so we can use that to get cancel and report progress */ struct _mail_msg *fetch_msg ; GIOChannel *fetch_cancel_channel; guint fetch_cancel_watch; guint display_notify_id; }; /* max number of connections to download images */ #define FETCH_MAX_CONNECTIONS (4) /* path to http cache in fetch_cache */ #define FETCH_HTTP_CACHE "http" /* for asynchronously downloading remote content */ struct _remote_data { struct _remote_data *next; struct _remote_data *prev; MailDisplay *md; /* not ref'd */ SoupMessage *msg; char *uri; GtkHTML *html; GtkHTMLStream *stream; CamelStream *cstream; /* cache stream */ size_t length; size_t total; }; static void fetch_remote(MailDisplay *md, const char *uri, GtkHTML *html, GtkHTMLStream *stream); static void fetch_cancel(MailDisplay *md); static void fetch_next(MailDisplay *md); static void fetch_data(SoupMessage *req, void *data); static void fetch_free(struct _remote_data *rd); static void fetch_done(SoupMessage *req, void *data); /* global http cache, relies on external evolution_dir as well */ static CamelDataCache *fetch_cache; #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, DND_TARGET_TYPE_PART_MIME_TYPE }; static GtkTargetEntry drag_types[] = { { TEXT_URI_LIST_TYPE, 0, DND_TARGET_TYPE_TEXT_URI_LIST }, { NULL, 0, DND_TARGET_TYPE_PART_MIME_TYPE } }; 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, ret = FALSE; g_return_val_if_fail (CAMEL_IS_MIME_PART (part), FALSE); fd = open (name, O_WRONLY | O_CREAT | O_EXCL, 0666); if (fd == -1 && errno == EEXIST && !unique) { GtkWidget *dialog; int button; dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, _("File `%s' already exists.\nOverwrite it?"), name); g_object_set (dialog, "title", _("Overwrite file?"), "allow_grow", TRUE, NULL); button = gtk_dialog_run ((GtkDialog *) dialog); gtk_widget_destroy (dialog); if (button != GTK_RESPONSE_YES) 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; char *safe, *p; name = part ? camel_mime_part_get_filename (part) : NULL; 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, '/'); if (p) e_filename_make_safe (p + 1); return safe; } static void save_data_cb (GtkWidget *widget, gpointer user_data) { GtkFileSelection *file_select; GConfClient *gconf; char *dir; file_select = (GtkFileSelection *) gtk_widget_get_ancestor (widget, GTK_TYPE_FILE_SELECTION); /* 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_path_get_dirname (gtk_file_selection_get_filename (file_select)); gconf = mail_config_get_gconf_client (); gconf_client_set_string (gconf, "/apps/evolution/mail/save_dir", dir, NULL); g_free (dir); gtk_widget_destroy (GTK_WIDGET (file_select)); } static void save_destroy_cb (CamelMimePart *part, GObject *deadbeef) { camel_object_unref (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 on_link_clicked (GtkHTML *html, const char *url, MailDisplay *md) { if (!strncasecmp (url, "mailto:", 7)) { send_to_url (url, NULL); } else if (*url == '#') { mail_display_jump_to_anchor (md, url); } else { GError *err = NULL; gnome_url_show (url, &err); if (err) { g_warning ("gnome_url_show: %s", err->message); g_error_free (err); } } } static void save_part (CamelMimePart *part) { char *filename, *dir, *home, *base; GtkFileSelection *file_select; GConfClient *gconf; camel_object_ref (part); home = getenv ("HOME"); gconf = mail_config_get_gconf_client (); dir = gconf_client_get_string (gconf, "/apps/evolution/mail/save_dir", NULL); filename = make_safe_filename (dir ? dir : (home ? home : ""), part); g_free (dir); 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 */ base = g_path_get_basename (filename); gtk_entry_set_text (GTK_ENTRY (file_select->selection_entry), base); g_free (filename); g_free (base); g_signal_connect (file_select->ok_button, "clicked", G_CALLBACK (save_data_cb), part); g_signal_connect_swapped (file_select->cancel_button, "clicked", G_CALLBACK (gtk_widget_destroy), file_select); g_object_weak_ref ((GObject *) file_select, (GWeakNotify) save_destroy_cb, part); gtk_widget_show (GTK_WIDGET (file_select)); } static void save_cb (GtkWidget *widget, gpointer user_data) { CamelMimePart *part = g_object_get_data ((GObject *) user_data, "CamelMimePart"); save_part (part); } static void launch_cb (GtkWidget *widget, gpointer user_data) { CamelMimePart *part = g_object_get_data(user_data, "CamelMimePart"); MailMimeHandler *handler; GList *apps, *children, *c; GnomeVFSMimeApplication *app; char *command, *filename; const char *tmpdir; handler = mail_lookup_handler (g_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_get_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 ("app-launcher-XXXXXX"); if (!tmpdir) { GtkWidget *dialog; dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR, GTK_RESPONSE_CLOSE, _("Could not create temporary directory: %s"), g_strerror (errno)); /* FIXME: this should be async */ gtk_dialog_run ((GtkDialog *) dialog); gtk_widget_destroy (dialog); return; } filename = make_safe_filename (tmpdir, part); if (!write_data_to_file (part, filename, TRUE)) { GtkWidget *dialog; dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR, GTK_RESPONSE_CLOSE, _("Could not create temporary file '%s': %s"), filename, g_strerror (errno)); /* FIXME: this should be async */ gtk_dialog_run ((GtkDialog *) dialog); gtk_widget_destroy (dialog); g_free (filename); 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 = g_object_get_data (user_data, "MailDisplay"); CamelMimePart *part = g_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 = g_object_get_data ((GObject *) 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, gpointer user_data) { EPopupMenu *menu; EPopupMenu save_item = E_POPUP_ITEM (N_("Save Attachment..."), G_CALLBACK (save_cb), 0); EPopupMenu view_item = E_POPUP_ITEM (N_("View Inline"), G_CALLBACK (inline_cb), 2); EPopupMenu open_item = E_POPUP_ITEM (N_("Open in %s..."), G_CALLBACK (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. */ g_signal_stop_emission_by_name (widget, "button_press_event"); part = g_object_get_data ((GObject *) widget, "CamelMimePart"); handler = mail_lookup_handler (g_object_get_data ((GObject *) 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 = g_object_get_data ((GObject *) widget, "MailDisplay"); if (!mail_part_is_displayed_inline (part, md)) { if (handler->component) { Bonobo_ActivationProperty *prop; char *name; prop = bonobo_server_info_prop_find (handler->component, "name"); if (!prop) { prop = bonobo_server_info_prop_find (handler->component, "description"); } if (prop && prop->v._d == Bonobo_ACTIVATION_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_icon (mime_type); if (icon_name) { if (*icon_name == '/') { pixbuf = gdk_pixbuf_new_from_file (icon_name, NULL); if (pixbuf) return pixbuf; } filename = gnome_program_locate_file (NULL, GNOME_FILE_DOMAIN_PIXMAP, icon_name, TRUE, NULL); if (!filename) { char *fm_icon; fm_icon = g_strdup_printf ("nautilus/%s", icon_name); filename = gnome_program_locate_file (NULL, GNOME_FILE_DOMAIN_PIXMAP, fm_icon, TRUE, NULL); if (!filename) { g_free (fm_icon); fm_icon = g_strdup_printf ("mc/%s", icon_name); filename = gnome_program_locate_file (NULL, GNOME_FILE_DOMAIN_PIXMAP, fm_icon, TRUE, NULL); } g_free (fm_icon); } if (filename) { pixbuf = gdk_pixbuf_new_from_file (filename, NULL); g_free (filename); } } if (!pixbuf) { filename = gnome_program_locate_file (NULL, GNOME_FILE_DOMAIN_PIXMAP, "gnome-unknown.png", TRUE, NULL); if (filename) { pixbuf = gdk_pixbuf_new_from_file (filename, NULL); 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); g_object_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); gtk_image_set_from_pixbuf ((GtkImage *) pbl->pixmap, mini); gtk_widget_set_size_request (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, NULL); g_object_unref (pbl->loader); camel_object_unref (pbl->mstream); } g_signal_handler_disconnect (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 (pbl->mstream); if (pbl->loader) { gdk_pixbuf_loader_close (pbl->loader, NULL); g_object_unref (pbl->loader); } g_signal_handler_disconnect (pbl->eb, pbl->destroy_id); 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, NULL); 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", NULL); } else pixbuf = gdk_pixbuf_loader_get_pixbuf (pbl->loader); if (pixbuf == NULL) { /* pixbuf is non-existant */ if (pbl->mstream) camel_object_unref (pbl->mstream); if (pbl->loader) { gdk_pixbuf_loader_close (pbl->loader, NULL); g_object_unref (pbl->loader); } g_signal_handler_disconnect (pbl->eb, pbl->destroy_id); g_free (pbl->type); g_free (pbl->cid); g_free (pbl); return FALSE; } 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) g_object_unref (pixbuf); gtk_image_set_from_pixbuf ((GtkImage *) 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); g_signal_handler_disconnect (pbl->eb, pbl->destroy_id); if (pbl->loader) { gdk_pixbuf_loader_close (pbl->loader, NULL); g_object_unref (pbl->loader); camel_object_unref (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 (pbl->mstream); if (pbl->loader) { gdk_pixbuf_loader_close (pbl->loader, NULL); g_object_unref (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) { #warning "what about bonobo_widget_new_subdoc?" #if 0 /* * 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; } #endif } 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 (url != NULL, NULL); g_return_val_if_fail (urls != NULL, NULL); part = g_hash_table_lookup (urls, url); if (part == NULL) { CamelDataWrapper *wrapper; CamelStream *stream = NULL; const char *name; /* 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 saving routines. * It is gross but it keeps duplicated code to a minimum and helps * out with ref counting and the like. */ name = strrchr (url, '/'); name = name ? name : url; if (fetch_cache) { /* look in the soup cache */ stream = camel_data_cache_get(fetch_cache, FETCH_HTTP_CACHE, url, NULL); } else { GByteArray *ba = NULL; urls = g_datalist_get_data (md->data, "data_urls"); g_return_val_if_fail (urls != NULL, NULL); ba = g_hash_table_lookup (urls, url); if (ba) { /* we have to copy the data here since the ba may be long gone * by the time the user actually saves the file */ stream = camel_stream_mem_new_with_buffer (ba->data, ba->len); } } if (stream) { wrapper = camel_data_wrapper_new (); camel_data_wrapper_construct_from_stream (wrapper, stream); camel_object_unref (stream); part = camel_mime_part_new (); camel_medium_set_content_object (CAMEL_MEDIUM (part), wrapper); camel_object_unref (wrapper); camel_mime_part_set_filename (part, name); } } else { camel_object_ref (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 (part); return NULL; } g_warning ("Data for url: \"%s\" not found", url); 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 = g_object_get_data ((GObject *) 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) { GtkWidget *dialog; dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR, GTK_RESPONSE_CLOSE, _("Could not create temporary directory: %s"), g_strerror (errno)); /* FIXME: this should be async */ gtk_dialog_run ((GtkDialog *) dialog); gtk_widget_destroy (dialog); } filename = camel_mime_part_get_filename (part); /* This is the default filename used for dnd temporary target of attachment */ 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)); g_object_set_data_full ((GObject *) widget, "uri-list", uri_list, g_free); break; case DND_TARGET_TYPE_PART_MIME_TYPE: if (header_content_type_is (part->content_type, "text", "*")) { GByteArray *ba; ba = mail_format_get_data_wrapper_text ((CamelDataWrapper *) part, NULL); if (ba) { gtk_selection_data_set (selection_data, selection_data->target, 8, ba->data, ba->len); g_byte_array_free (ba, TRUE); } } else { CamelDataWrapper *wrapper; CamelStreamMem *cstream; cstream = (CamelStreamMem *) camel_stream_mem_new (); wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); camel_data_wrapper_write_to_stream (wrapper, (CamelStream *)cstream); gtk_selection_data_set (selection_data, selection_data->target, 8, cstream->buffer->data, cstream->buffer->len); camel_object_unref (cstream); } 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 = g_object_get_data ((GObject *) widget, "uri-list"); if (uri_list) { unlink (uri_list + 7); g_object_set_data ((GObject *) widget, "uri-list", NULL); } } 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 (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 = gtk_image_new(); gtk_widget_set_size_request (pbl->pixmap, 24, 24); pbl->eb = eb; pbl->destroy_id = g_signal_connect (eb, "destroy", G_CALLBACK (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); g_object_set_data ((GObject *) button, "MailDisplay", md); handler = mail_lookup_handler (eb->type); if (handler && handler->builtin) g_signal_connect (button, "clicked", G_CALLBACK (button_press), part); /* Drag & Drop */ drag_types[DND_TARGET_TYPE_PART_MIME_TYPE].target = header_content_type_simple (part->content_type); camel_strdown (drag_types[DND_TARGET_TYPE_PART_MIME_TYPE].target); gtk_drag_source_set (button, GDK_BUTTON1_MASK, drag_types, num_drag_types, GDK_ACTION_COPY); g_signal_connect (button, "drag-data-get", G_CALLBACK (drag_data_get_cb), part); g_signal_connect (button, "drag-data-delete", G_CALLBACK (drag_data_delete_cb), part); g_free (drag_types[DND_TARGET_TYPE_PART_MIME_TYPE].target); drag_types[DND_TARGET_TYPE_PART_MIME_TYPE].target = NULL; hbox = gtk_hbox_new (FALSE, 2); gtk_container_set_border_width (GTK_CONTAINER (hbox), 2); /* should this be a gtk_arrow? */ if (handler && mail_part_is_displayed_inline (part, md)) arrow = gtk_image_new_from_stock (GTK_STOCK_GO_DOWN, GTK_ICON_SIZE_BUTTON); else arrow = gtk_image_new_from_stock (GTK_STOCK_GO_FORWARD, GTK_ICON_SIZE_BUTTON); 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)); g_object_set_data ((GObject *) popup, "MailDisplay", md); g_object_set_data ((GObject *) popup, "CamelMimePart", part); g_object_set_data_full ((GObject *) popup, "mime_type", g_strdup (eb->type), (GDestroyNotify) g_free); g_signal_connect (popup, "button_press_event", G_CALLBACK (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; Bonobo_ServerInfo *component; GtkWidget *embedded; Bonobo_PersistStream persist; CORBA_Environment ev; CamelStreamMem *cstream; BonoboStream *bstream; MailMimeHandler *handler; handler = mail_lookup_handler (eb->type); if (!handler || !handler->is_bonobo) return FALSE; 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; persist = (Bonobo_PersistStream) Bonobo_Unknown_queryInterface ( bonobo_widget_get_objref (BONOBO_WIDGET (embedded)), "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... */ cstream = (CamelStreamMem *) camel_stream_mem_new (); wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); camel_data_wrapper_write_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. */ 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 = gtk_image_new (); gtk_widget_set_size_request (pbl->pixmap, 24, 24); pbl->eb = eb; pbl->destroy_id = g_signal_connect (eb, "destroy", G_CALLBACK (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); g_object_set_data ((GObject *) button, "MailDisplay", md); g_signal_connect (button, "clicked", G_CALLBACK (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 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; GConfClient *gconf; GHashTable *urls; CamelMedium *medium; GByteArray *ba; gconf = mail_config_get_gconf_client (); 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 *wrapper; CamelStream *html_stream; g_return_if_fail (CAMEL_IS_MEDIUM (medium)); if (md->related) g_hash_table_remove (md->related, medium); wrapper = camel_medium_get_content_object (medium); if (!mail_content_loaded (wrapper, md, FALSE, url, html, handle)) return; content_type = camel_data_wrapper_get_mime_type_field (wrapper); html_stream = mail_display_stream_new (html, handle); if (header_content_type_is (content_type, "text", "*")) { mail_format_data_wrapper_write_to_stream (wrapper, md, html_stream); } else { camel_data_wrapper_write_to_stream (wrapper, html_stream); } camel_object_unref (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 || strncmp (url, "https:", 6) == 0) { int http_mode; http_mode = gconf_client_get_int (gconf, "/apps/evolution/mail/display/load_http_images", NULL); if (http_mode == MAIL_CONFIG_HTTP_ALWAYS || g_datalist_get_data (md->data, "load_images")) { fetch_remote (md, url, html, handle); } else if (http_mode == MAIL_CONFIG_HTTP_SOMETIMES && !g_datalist_get_data (md->data, "checking_from")) { const CamelInternetAddress *from; const char *name, *addr; from = camel_mime_message_get_from (md->current_message); 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_default (addr, ebook_callback, md); else gtk_html_end (html, handle, GTK_HTML_STREAM_ERROR); } } } /* for processing asynchronous url fetch cancels */ static struct _mail_msg_op fetch_fake_op = { NULL, NULL, NULL, NULL, }; static gboolean fetch_cancelled (GIOChannel *source, GIOCondition cond, void *user_data) { fetch_cancel ((MailDisplay *) user_data); return FALSE; } static void fetch_next (MailDisplay *md) { struct _remote_data *rd; struct _MailDisplayPrivate *p = md->priv; SoupMessage *msg; SoupContext *ctx; /* if we're called and no more work to do, clean up, otherwise, setup */ if (e_dlist_empty(&p->fetch_active) && e_dlist_empty(&p->fetch_queue)) { if (p->fetch_msg) { p->fetch_total = 0; mail_disable_stop(); camel_operation_end(p->fetch_msg->cancel); camel_operation_unregister(p->fetch_msg->cancel); mail_msg_free(p->fetch_msg); p->fetch_msg = NULL; g_source_remove(p->fetch_cancel_watch); g_io_channel_unref(p->fetch_cancel_channel); } } else { if (p->fetch_msg == NULL) { p->fetch_total_done = 0; p->fetch_msg = mail_msg_new(&fetch_fake_op, NULL, sizeof(*p->fetch_msg)); camel_operation_register(p->fetch_msg->cancel); camel_operation_start(p->fetch_msg->cancel, _("Downloading images")); p->fetch_cancel_channel = g_io_channel_unix_new(camel_operation_cancel_fd(p->fetch_msg->cancel)); p->fetch_cancel_watch = g_io_add_watch(p->fetch_cancel_channel, G_IO_IN, fetch_cancelled, md); mail_enable_stop(); } } while (e_dlist_length(&p->fetch_active) < FETCH_MAX_CONNECTIONS && (rd = (struct _remote_data *)e_dlist_remhead(&p->fetch_queue))) { ctx = soup_context_get(rd->uri); rd->msg = msg = soup_message_new(ctx, SOUP_METHOD_GET); if (ctx) soup_context_unref(ctx); soup_message_set_flags(msg, SOUP_MESSAGE_OVERWRITE_CHUNKS); soup_message_add_handler(msg, SOUP_HANDLER_BODY_CHUNK, fetch_data, rd); e_dlist_addtail(&p->fetch_active, (EDListNode *)rd); soup_message_queue(msg, fetch_done, rd); } } static void fetch_remote(MailDisplay *md, const char *uri, GtkHTML *html, GtkHTMLStream *stream) { struct _remote_data *rd; CamelStream *cstream = NULL; if (fetch_cache) { cstream = camel_data_cache_get(fetch_cache, FETCH_HTTP_CACHE, uri, NULL); if (cstream) { char buf[1024]; ssize_t len; /* need to verify header? */ while (!camel_stream_eos(cstream)) { len = camel_stream_read(cstream, buf, 1024); if (len > 0) { gtk_html_write(html, stream, buf, len); } else if (len < 0) { gtk_html_end(html, stream, GTK_HTML_STREAM_ERROR); camel_object_unref(cstream); return; } } gtk_html_end(html, stream, GTK_HTML_STREAM_OK); camel_object_unref(cstream); return; } cstream = camel_data_cache_add(fetch_cache, FETCH_HTTP_CACHE, uri, NULL); } rd = g_malloc0(sizeof(*rd)); rd->md = md; /* dont ref */ rd->uri = g_strdup(uri); rd->html = html; g_object_ref(html); rd->stream = stream; rd->cstream = cstream; md->priv->fetch_total++; e_dlist_addtail(&md->priv->fetch_queue, (EDListNode *)rd); fetch_next(md); } static void fetch_data(SoupMessage *req, void *data) { struct _remote_data *rd = data, *wd; struct _MailDisplayPrivate *p = rd->md->priv; int count; double complete; /* we could just hook into the header function for this, but i'm lazy today */ if (rd->total == 0) { const char *cl = soup_message_get_header(req->response_headers, "content-length"); if (cl) rd->total = strtoul(cl, 0, 10); else rd->total = 0; } rd->length += req->response.length; gtk_html_write(rd->html, rd->stream, req->response.body, req->response.length); /* copy to cache, clear cache if we get a cache failure */ if (rd->cstream) { if (camel_stream_write(rd->cstream, req->response.body, req->response.length) == -1) { camel_data_cache_remove(fetch_cache, FETCH_HTTP_CACHE, rd->uri, NULL); camel_object_unref(rd->cstream); rd->cstream = NULL; } } /* update based on total active + finished totals */ complete = 0.0; wd = (struct _remote_data *)p->fetch_active.head; count = e_dlist_length(&p->fetch_active); while (wd->next) { if (wd->total) complete += (double)wd->length / wd->total / count; wd = wd->next; } d(printf("%s: %f total %f (%d,%d)\n", rd->uri, complete, (p->fetch_total_done + complete ) * 100.0 / p->fetch_total, p->fetch_total, p->fetch_total_done)); camel_operation_progress(p->fetch_msg->cancel, (p->fetch_total_done + complete ) * 100.0 / p->fetch_total); } static void fetch_free(struct _remote_data *rd) { g_object_unref(rd->html); if (rd->cstream) camel_object_unref(rd->cstream); g_free(rd->uri); g_free(rd); } static void fetch_done(SoupMessage *req, void *data) { struct _remote_data *rd = data; MailDisplay *md = rd->md; if (SOUP_MESSAGE_IS_ERROR(req)) { d(printf("Loading '%s' failed!\n", rd->uri)); gtk_html_end(rd->html, rd->stream, GTK_HTML_STREAM_ERROR); if (fetch_cache) camel_data_cache_remove(fetch_cache, FETCH_HTTP_CACHE, rd->uri, NULL); } else { d(printf("Loading '%s' complete!\n", rd->uri)); gtk_html_end(rd->html, rd->stream, GTK_HTML_STREAM_OK); } e_dlist_remove((EDListNode *)rd); fetch_free(rd); md->priv->fetch_total_done++; fetch_next(md); } static void fetch_cancel(MailDisplay *md) { struct _remote_data *rd; /* first, clean up all the ones we haven't finished yet */ while ((rd = (struct _remote_data *)e_dlist_remhead(&md->priv->fetch_queue))) { gtk_html_end(rd->html, rd->stream, GTK_HTML_STREAM_ERROR); if (fetch_cache) camel_data_cache_remove(fetch_cache, FETCH_HTTP_CACHE, rd->uri, NULL); fetch_free(rd); } /* cancel the rest, cancellation will free it/etc */ while (!e_dlist_empty(&md->priv->fetch_active)) { rd = (struct _remote_data *)md->priv->fetch_active.head; soup_message_cancel(rd->msg); } } 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_display_stream_new (m->html, m->handle); camel_data_wrapper_write_to_stream (data, html_stream); camel_object_unref (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); if (ba) { if (ba->len) 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 (m->display->destroyed) return; if (m->display->current_message == m->message) { if (m->handle) { 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); g_object_unref (m->html); g_object_unref (m->display); camel_object_unref (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 (md->destroyed) 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; g_object_ref((m->display)); m->html = html; g_object_ref((html)); m->handle = handle; m->url = g_strdup (url); m->redisplay_counter = md->redisplay_counter; m->message = md->current_message; camel_object_ref (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 (MailDisplayStream *stream, MailDisplay *md, CamelMimePart *part, int idx, gboolean printing, const char *text) { CamelStreamFilter *filtered_stream; CamelMimeFilter *html_filter; GConfClient *gconf; guint32 flags, rgb; GdkColor colour; char *buf; gconf = mail_config_get_gconf_client (); flags = CAMEL_MIME_FILTER_TOHTML_CONVERT_NL | CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES; if (!printing) flags |= CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS | CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES; if (!printing && gconf_client_get_bool (gconf, "/apps/evolution/mail/display/mark_citations", NULL)) flags |= CAMEL_MIME_FILTER_TOHTML_MARK_CITATION; buf = gconf_client_get_string (gconf, "/apps/evolution/mail/display/citation_colour", NULL); gdk_color_parse (buf ? buf : "#737373", &colour); g_free (buf); rgb = ((colour.red & 0xff00) << 8) | (colour.green & 0xff00) | ((colour.blue & 0xff00) >> 8); html_filter = camel_mime_filter_tohtml_new (flags, rgb); filtered_stream = camel_stream_filter_new_with_stream ((CamelStream *) stream); camel_stream_filter_add (filtered_stream, html_filter); camel_object_unref (html_filter); camel_stream_write ((CamelStream *) stream, "\n", 5); camel_stream_write ((CamelStream *) filtered_stream, text, strlen (text)); camel_stream_flush ((CamelStream *) filtered_stream); camel_stream_write ((CamelStream *) stream, "\n", 6); camel_object_unref (filtered_stream); #if 0 /* this was the old way of doing it, I don't understand why we need iframes... */ GByteArray *ba; char *xed, *iframe; char *btt = "\n"; char *ett = "\n"; char *htmltext; guint32 flags; flags = CAMEL_MIME_FILTER_TOHTML_CONVERT_NL | CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES; if (!printing) flags |= CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS | CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES; if (!printing && mail_config_get_citation_highlight ()) flags |= CAMEL_MIME_FILTER_TOHTML_MARK_CITATION; htmltext = camel_text_to_html (text, flags, mail_config_get_citation_color ()); ba = g_byte_array_new (); g_byte_array_append (ba, (const guint8 *) btt, strlen (btt) + 1); g_byte_array_append (ba, (const guint8 *) htmltext, strlen (htmltext) + 1); g_byte_array_append (ba, (const guint8 *) ett, strlen (ett) + 1); g_free (htmltext); xed = g_strdup_printf ("x-evolution-data:%p-%d", part, idx); iframe = g_strdup_printf ("", xed, xed); mail_display_add_url (md, "data_urls", xed, ba); camel_stream_write ((CamelStream *) stream, iframe, strlen (iframe)); g_free (iframe); #endif } void mail_error_printf (MailDisplayStream *stream, const char *format, ...) { /* FIXME: it'd be nice if camel-stream had a vprintf method... */ char *buf, *htmltext; va_list ap; va_start (ap, format); buf = g_strdup_vprintf (format, ap); va_end (ap); htmltext = camel_text_to_html (buf, CAMEL_MIME_FILTER_TOHTML_CONVERT_NL | CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS, 0); g_free (buf); camel_stream_printf ((CamelStream *) stream, ""); camel_stream_write ((CamelStream *) stream, htmltext, strlen (htmltext)); camel_stream_printf ((CamelStream *) stream, ""); g_free (htmltext); } #define COLOR_IS_LIGHT(r, g, b) ((r + g + b) > (128 * 3)) #define HTML_HEADER "\n\n" \ "\n\n\n" void mail_display_render (MailDisplay *md, GtkHTML *html, gboolean reset_scroll) { const char *flag, *completed; GtkHTMLStream *html_stream; MailDisplayStream *stream; g_return_if_fail (IS_MAIL_DISPLAY (md)); g_return_if_fail (GTK_IS_HTML (html)); if (!md->html) { /* we've been destroyed */ return; } 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; } gtk_html_stream_write (html_stream, HTML_HEADER, sizeof (HTML_HEADER) - 1); if (md->current_message && md->display_style == MAIL_CONFIG_DISPLAY_SOURCE) gtk_html_stream_write (html_stream, "\n", 7); else gtk_html_stream_write (html_stream, "\n", 36); flag = md->info ? camel_tag_get (&md->info->user_tags, "follow-up") : NULL; completed = md->info ? camel_tag_get (&md->info->user_tags, "completed-on") : NULL; if ((flag && *flag) && !(completed && *completed)) { const char *due_by, *overdue = ""; char bgcolor[7], fontcolor[7]; time_t target_date, now; GtkStyle *style = NULL; char due_date[256]; struct tm due; int offset; /* my favorite thing to do... muck around with colors so we respect people's stupid themes. */ /* FIXME: this is also in mail-format.c */ 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 *= 1.0; g *= 0.97; b *= 0.75; } else { r = 255 - (1.0 * (255 - r)); g = 255 - (0.97 * (255 - g)); b = 255 - (0.75 * (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"); } due_by = camel_tag_get (&md->info->user_tags, "due-by"); if (due_by && *due_by) { target_date = header_decode_date (due_by, &offset); now = time (NULL); if (now >= target_date) overdue = _("Overdue:"); localtime_r (&target_date, &due); e_strftime_fix_am_pm (due_date, sizeof (due_date), _("by %B %d, %Y, %l:%M %P"), &due); } else { due_date[0] = '\0'; } gtk_html_stream_printf (html_stream, "" "" "
" "
" "" "" "
%s%s%s%s %s
" "
", fontcolor, bgcolor, mail_display_get_url_for_icon (md, EVOLUTION_IMAGES "/flag-for-followup-16.png"), overdue ? "" : "", overdue, overdue ? " " : "", flag, due_date); } if (md->current_message) { stream = (MailDisplayStream *) mail_display_stream_new (html, html_stream); if (md->display_style == MAIL_CONFIG_DISPLAY_SOURCE) mail_format_raw_message (md->current_message, md, stream); else mail_format_mime_message (md->current_message, md, stream); camel_object_unref (stream); } gtk_html_stream_write (html_stream, "\n", 15); gtk_html_end (html, 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 (md->destroyed) return; /* we're in effect stealing the queued redisplay */ if (md->idle_id) { g_source_remove(md->idle_id); md->idle_id = 0; } fetch_cancel(md); 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 * @folder: CamelFolder * @info: message info * * Makes the mail_display object show the contents of the medium * param. **/ void mail_display_set_message (MailDisplay *md, CamelMedium *medium, CamelFolder *folder, CamelMessageInfo *info) { /* For the moment, we deal only with CamelMimeMessage, but in * the future, we should be able to deal with any medium. */ if (md->destroyed || (medium && !CAMEL_IS_MIME_MESSAGE (medium))) return; /* Clean up from previous message. */ if (md->current_message) { fetch_cancel (md); camel_object_unref (md->current_message); g_datalist_clear (md->data); } if (medium) { camel_object_ref (medium); md->current_message = (CamelMimeMessage *) medium; } else md->current_message = NULL; if (md->folder && md->info) { camel_folder_free_message_info (md->folder, md->info); camel_object_unref (md->folder); } if (folder && info) { md->info = info; md->folder = folder; camel_object_ref (folder); camel_folder_ref_message_info (folder, info); } else { md->info = NULL; md->folder = NULL; } g_datalist_init (md->data); mail_display_redisplay (md, TRUE); } /** * mail_display_set_charset: * @mail_display: the mail display object * @charset: charset 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 (GObject *object) { MailDisplay *mail_display = MAIL_DISPLAY (object); GConfClient *gconf; int style; 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->current_message = NULL; mail_display->folder = NULL; mail_display->info = NULL; mail_display->data = NULL; mail_display->invisible = gtk_invisible_new (); g_object_ref (mail_display->invisible); gtk_object_sink ((GtkObject *) mail_display->invisible); gconf = mail_config_get_gconf_client (); style = gconf_client_get_int (gconf, "/apps/evolution/mail/format/message_display_style", NULL); mail_display->display_style = style; mail_display->printing = FALSE; mail_display->priv = g_malloc0(sizeof(*mail_display->priv)); e_dlist_init(&mail_display->priv->fetch_active); e_dlist_init(&mail_display->priv->fetch_queue); } static void mail_display_destroy (GtkObject *object) { MailDisplay *mail_display = MAIL_DISPLAY (object); if (mail_display->html) { g_object_unref (mail_display->html); mail_display->html = NULL; } if (mail_display->current_message) { camel_object_unref (mail_display->current_message); g_datalist_clear (mail_display->data); fetch_cancel(mail_display); mail_display->current_message = NULL; } g_free (mail_display->charset); mail_display->charset = NULL; g_free (mail_display->selection); mail_display->selection = NULL; if (mail_display->folder) { if (mail_display->info) camel_folder_free_message_info (mail_display->folder, mail_display->info); camel_object_unref (mail_display->folder); mail_display->folder = NULL; } g_free (mail_display->data); mail_display->data = NULL; if (mail_display->idle_id) { gtk_timeout_remove (mail_display->idle_id); mail_display->idle_id = 0; } if (mail_display->invisible) { g_object_unref (mail_display->invisible); mail_display->invisible = NULL; } if (mail_display->priv && mail_display->priv->display_notify_id) { GConfClient *gconf = mail_config_get_gconf_client (); gconf_client_notify_remove (gconf, mail_display->priv->display_notify_id); mail_display->priv->display_notify_id = 0; } g_free (mail_display->priv); mail_display->priv = NULL; mail_display->destroyed = TRUE; 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; if (mail_display_parent_class == NULL) { /* blah, this is an unecessary dependency ... */ extern char *evolution_dir; char *path; path = g_alloca (strlen (evolution_dir) + 16); sprintf (path, "%s/cache", evolution_dir); /* cache expiry - 2 hour access, 1 day max */ fetch_cache = camel_data_cache_new(path, 0, NULL); camel_data_cache_set_expire_age(fetch_cache, 24*60*60); camel_data_cache_set_expire_access(fetch_cache, 2*60*60); mail_display_parent_class = g_type_class_ref (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) { if (!mail_display->html->pointer_url) return; 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 = g_object_get_data ((GObject *) mail_display, "current_src_uri"); 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"), G_CALLBACK (link_open_in_browser), MASK_URL), E_POPUP_ITEM (N_("Copy Link Location"), G_CALLBACK (link_copy_location), MASK_URL), #if 0 E_POPUP_ITEM (N_("Save Link as (FIXME)"), G_CALLBACK (link_save_as), MASK_URL), #endif E_POPUP_ITEM (N_("Save Image as..."), G_CALLBACK (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_Listener listener; gboolean hidden; }; /* Aiieee! Global Data! */ static GtkWidget *the_popup = NULL; static void popup_window_destroy_cb (PopupInfo *pop, GObject *deadbeef) { the_popup = NULL; if (pop->destroy_timeout != 0) g_source_remove(pop->destroy_timeout); bonobo_event_source_client_remove_listener (bonobo_widget_get_objref (BONOBO_WIDGET (pop->w)), pop->listener, NULL); CORBA_Object_release (pop->listener, NULL); g_object_unref(pop->w); g_free (pop); } static int popup_timeout_cb (gpointer user_data) { PopupInfo *pop = (PopupInfo *) user_data; pop->destroy_timeout = 0; gtk_widget_destroy (pop->win); return 0; } static int 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 int 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) { gtk_window_set_position (GTK_WINDOW (widget), GTK_WIN_POS_MOUSE); } 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; g_object_ref(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_resizable (GTK_WINDOW (pop->win), FALSE); g_signal_connect (pop->win, "enter_notify_event", G_CALLBACK (popup_enter_cb), pop); g_signal_connect (pop->win, "leave_notify_event", G_CALLBACK (popup_leave_cb), pop); g_signal_connect_after (pop->win, "realize", G_CALLBACK (popup_realize_cb), pop); g_signal_connect (pop->win, "size_allocate", G_CALLBACK (popup_size_allocate_cb), pop); g_object_weak_ref ((GObject *) pop->win, (GWeakNotify) popup_window_destroy_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, event->y, FALSE); if (point) { const char *url, *src; url = html_object_get_url (point->object); src = html_object_get_src (point->object); if (url && !strncasecmp (url, "mailto:", 7)) { PopupInfo *pop; char *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", TC_CORBA_string, url_decoded+7, NULL); g_free (url_decoded); pop = make_popup_window (popup_thing); pop->listener = bonobo_event_source_client_add_listener_full( bonobo_widget_get_objref (BONOBO_WIDGET (popup_thing)), g_cclosure_new (G_CALLBACK (listener_cb), pop, NULL), NULL, NULL); } else if (url || src) { int hide_mask = 0; if (!url) hide_mask |= MASK_URL; if (!src) hide_mask |= MASK_SRC; g_free (g_object_get_data ((GObject *) mail_display, "current_src_uri")); g_object_set_data ((GObject *) 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, y, 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 int html_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event, MailDisplay *mail_display) { update_active (widget, event->x, event->y, mail_display); return FALSE; } static int html_motion_notify_event (GtkWidget *widget, GdkEventMotion *event, MailDisplay *mail_display) { int 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 FALSE; } static void html_iframe_created (GtkWidget *w, GtkHTML *iframe, MailDisplay *mail_display) { g_signal_connect (iframe, "button_press_event", G_CALLBACK (html_button_press_event), mail_display); g_signal_connect (iframe, "motion_notify_event", G_CALLBACK (html_motion_notify_event), mail_display); g_signal_connect (iframe, "enter_notify_event", G_CALLBACK (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, NULL); 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); if (BONOBO_EX (&ev)) shell_view_interface = CORBA_OBJECT_NIL; CORBA_exception_free (&ev); 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 = 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); bonobo_object_release_unref (shell_view_interface, NULL); /* yeah we only set the first one. Why? Because it seems to leave random ones lying around otherwise. Shrug. */ break; } g_object_unref (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); } } /* If if a gconf setting for the mail display has changed redisplay to pick up the changes */ static void display_notify (GConfClient *gconf, guint cnxn_id, GConfEntry *entry, gpointer data) { MailDisplay *md = data; gchar *tkey; g_return_if_fail (entry != NULL); g_return_if_fail (gconf_entry_get_key (entry) != NULL); g_return_if_fail (gconf_entry_get_value (entry) != NULL); tkey = strrchr (entry->key, '/'); g_return_if_fail (tkey != NULL); if (!strcmp (tkey, "/animate_images")) { gtk_html_set_animate (md->html, gconf_value_get_bool (gconf_entry_get_value(entry))); } else if (!strcmp (tkey, "/citation_color") || !strcmp (tkey, "/mark_citations")) { mail_display_queue_redisplay (md); } } GtkWidget * mail_display_new (void) { MailDisplay *mail_display = g_object_new (mail_display_get_type (), NULL); GtkWidget *scroll, *html; GdkAtom clipboard_atom; HTMLTokenizer *tok; GConfClient *gconf; gtk_box_set_homogeneous (GTK_BOX (mail_display), FALSE); gtk_widget_show (GTK_WIDGET (mail_display)); scroll = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroll), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scroll), GTK_SHADOW_IN); gtk_box_pack_start_defaults (GTK_BOX (mail_display), scroll); gtk_widget_show (scroll); html = gtk_html_new (); tok = e_searching_tokenizer_new (); html_engine_set_tokenizer (GTK_HTML (html)->engine, tok); g_object_unref (tok); mail_display_initialize_gtkhtml (mail_display, GTK_HTML (html)); gtk_container_add (GTK_CONTAINER (scroll), html); gtk_widget_show (GTK_WIDGET (html)); g_signal_connect (mail_display->invisible, "selection_get", G_CALLBACK (invisible_selection_get_callback), mail_display); g_signal_connect (mail_display->invisible, "selection_clear_event", G_CALLBACK (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); gconf = mail_config_get_gconf_client (); gtk_html_set_animate (GTK_HTML (html), gconf_client_get_bool (gconf, "/apps/evolution/mail/display/animate_images", NULL)); gconf_client_add_dir (gconf, "/apps/evolution/mail/display",GCONF_CLIENT_PRELOAD_NONE, NULL); mail_display->priv->display_notify_id = gconf_client_notify_add (gconf, "/apps/evolution/mail/display", display_notify, mail_display, NULL, NULL); mail_display->scroll = GTK_SCROLLED_WINDOW (scroll); mail_display->html = GTK_HTML (html); g_object_ref (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); g_signal_connect (html, "url_requested", G_CALLBACK (on_url_requested), mail_display); g_signal_connect (html, "object_requested", G_CALLBACK (on_object_requested), mail_display); g_signal_connect (html, "link_clicked", G_CALLBACK (on_link_clicked), mail_display); g_signal_connect (html, "button_press_event", G_CALLBACK (html_button_press_event), mail_display); g_signal_connect (html, "motion_notify_event", G_CALLBACK (html_motion_notify_event), mail_display); g_signal_connect (html, "enter_notify_event", G_CALLBACK (html_enter_notify_event), mail_display); g_signal_connect (html, "iframe_created", G_CALLBACK (html_iframe_created), mail_display); g_signal_connect (html, "on_url", G_CALLBACK (html_on_url), mail_display); } static void free_url (gpointer key, gpointer value, gpointer data) { g_free (key); if (data) g_byte_array_free (value, TRUE); } static void free_data_urls (gpointer urls) { g_hash_table_foreach (urls, free_url, GINT_TO_POINTER (1)); g_hash_table_destroy (urls); } 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); if (!urls) { urls = g_hash_table_new (g_str_hash, g_str_equal); g_datalist_set_data_full (md->data, "data_urls", urls, free_data_urls); } 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_program_locate_file (NULL, GNOME_FILE_DOMAIN_PIXMAP, icon_name, TRUE, NULL); 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); } struct _location_url_stack { struct _location_url_stack *parent; CamelURL *url; }; void mail_display_push_content_location (MailDisplay *md, const char *location) { struct _location_url_stack *node; CamelURL *url; url = camel_url_new (location, NULL); node = g_new (struct _location_url_stack, 1); node->parent = md->urls; node->url = url; md->urls = node; } CamelURL * mail_display_get_content_location (MailDisplay *md) { return md->urls ? md->urls->url : NULL; } void mail_display_pop_content_location (MailDisplay *md) { struct _location_url_stack *node; if (!md->urls) { g_warning ("content-location stack underflow!"); return; } node = md->urls; md->urls = node->parent; if (node->url) camel_url_free (node->url); g_free (node); } E_MAKE_TYPE (mail_display, "MailDisplay", MailDisplay, mail_display_class_init, mail_display_init, PARENT_TYPE);