/* -*- 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 #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* XXX */ #include /* XXX */ #include /* XXX */ #include /* XXX */ #include #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, "", 4); gtk_html_write (html, stream, htmltext, strlen (htmltext)); gtk_html_write (html, stream, "", 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, ""); gtk_html_stream_write (stream, htmltext, strlen (htmltext)); gtk_html_stream_printf (stream, ""); 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, "\n" "\n" "\n\n\n"); mail_html_write (html, stream, "\n"); if (md->followup) { const char *overdue; char due_date[100]; struct tm due; time_t now; /* 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 *= 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"); } now = time (NULL); if (now >= md->followup->target_date) overdue = U_("Overdue: "); else overdue = ""; /* copy the due date into 'now' because localtime_r destroys the time_t value */ now = md->followup->target_date; localtime_r (&now, &due); e_strftime (due_date, 100, "%B %d, %Y, %l:%M %P", &due); gtk_html_stream_printf (stream, "" "
" "" "" "
%s%s by %s
", fontcolor, bgcolor, mail_display_get_url_for_icon (md, EVOLUTION_IMAGES "/flag-for-followup-16.png"), overdue, message_tag_followup_i18n_name (md->followup->type), due_date); } 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, "\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);