/* -*- 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 Helix Code, Inc. */ #include #include #include #include #include #include #include "e-util/e-setup.h" #include "e-util/e-util.h" #include "mail-display.h" #include "mail.h" #include #include #include #define PARENT_TYPE (gtk_vbox_get_type ()) static GtkObjectClass *mail_display_parent_class; /*----------------------------------------------------------------------* * Callbacks *----------------------------------------------------------------------*/ static void save_data_eexist_cb (int reply, gpointer user_data) { gboolean *ok = user_data; *ok = reply == 0; gtk_main_quit (); } static void save_data_cb (GtkWidget *widget, gpointer user_data) { CamelDataWrapper *data = user_data; CamelStream *stream_fs; GtkFileSelection *file_select = (GtkFileSelection *) gtk_widget_get_ancestor (widget, GTK_TYPE_FILE_SELECTION); char *name; int fd; name = gtk_file_selection_get_filename (file_select); fd = open (name, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR); if (fd == -1 && errno == EEXIST) { gboolean ok = FALSE; gnome_ok_cancel_dialog_modal_parented ( "A file by that name already exists.\nOverwrite it?", save_data_eexist_cb, &ok, GTK_WINDOW (file_select)); gtk_main (); if (!ok) return; fd = open (name, O_WRONLY | O_TRUNC); } if (fd == -1) { char *msg; msg = g_strdup_printf ("Could not open file %s:\n%s", name, g_strerror (errno)); gnome_error_dialog_parented (msg, GTK_WINDOW (file_select)); return; } stream_fs = camel_stream_fs_new_with_fd (fd); if (camel_data_wrapper_write_to_stream (data, stream_fs) == -1 || camel_stream_flush (stream_fs) == -1) { char *msg; msg = g_strdup_printf ("Could not write data: %s", strerror(errno)); gnome_error_dialog_parented (msg, GTK_WINDOW (file_select)); } gtk_object_unref (GTK_OBJECT (stream_fs)); gtk_widget_destroy (GTK_WIDGET (file_select)); } static void save_data (const char *cid, CamelMimeMessage *message) { GHashTable *urls; CamelMimePart *part; CamelDataWrapper *data; GtkFileSelection *file_select; char *filename; g_return_if_fail (CAMEL_IS_MIME_MESSAGE (message)); urls = gtk_object_get_data (GTK_OBJECT (message), "urls"); part = g_hash_table_lookup (urls, cid); g_return_if_fail (CAMEL_IS_MIME_PART (part)); data = camel_medium_get_content_object (CAMEL_MEDIUM (part)); filename = (char *)camel_mime_part_get_filename (part); if (filename) { char *p; p = strrchr (filename, '/'); if (p) filename = g_strdup_printf ("%s%s", evolution_dir, p); else { filename = g_strdup_printf ("%s/%s", evolution_dir, filename); } for (p = strrchr (filename, '/') + 1; *p; p++) { if (!isascii ((unsigned char)*p) || strchr (" /'\"`&();|<>${}!", *p)) *p = '_'; } } else filename = g_strdup_printf ("%s/attachment", evolution_dir); file_select = GTK_FILE_SELECTION (gtk_file_selection_new ("Save Attachment")); gtk_file_selection_set_filename (file_select, filename); g_free (filename); gtk_signal_connect (GTK_OBJECT (file_select->ok_button), "clicked", GTK_SIGNAL_FUNC (save_data_cb), data); gtk_signal_connect_object (GTK_OBJECT (file_select->cancel_button), "clicked", GTK_SIGNAL_FUNC (gtk_widget_destroy), GTK_OBJECT (file_select)); gtk_widget_show (GTK_WIDGET (file_select)); } static void on_link_clicked (GtkHTML *html, const char *url, gpointer user_data) { CamelMimeMessage *message; message = gtk_object_get_data (GTK_OBJECT (html), "message"); if (!strncasecmp (url, "news:", 5) || !strncasecmp (url, "nntp:", 5)) g_warning ("Can't handle news URLs yet."); else if (!strncasecmp (url, "mailto:", 7)) send_to_url (url); else if (!strncasecmp (url, "cid:", 4)) save_data (url, message); else gnome_url_show (url); } static void embeddable_destroy_cb (GtkObject *obj, gpointer user_data) { BonoboWidget *be; /* bonobo embeddable */ BonoboViewFrame *vf; /* the embeddable view frame */ BonoboObjectClient* server; CORBA_Environment ev; be = BONOBO_WIDGET (obj); server = bonobo_widget_get_server (be); vf = bonobo_widget_get_view_frame (be); bonobo_control_frame_control_deactivate ( BONOBO_CONTROL_FRAME (vf)); /* w = bonobo_control_frame_get_widget (BONOBO_CONTROL_FRAME (vf)); */ /* gtk_widget_destroy (w); */ CORBA_exception_init (&ev); Bonobo_Unknown_unref ( bonobo_object_corba_objref (BONOBO_OBJECT(server)), &ev); CORBA_Object_release ( bonobo_object_corba_objref (BONOBO_OBJECT(server)), &ev); CORBA_exception_free (&ev); bonobo_object_unref (BONOBO_OBJECT (vf)); } static gboolean on_object_requested (GtkHTML *html, GtkHTMLEmbedded *eb, gpointer data) { CamelMimeMessage *message; GHashTable *urls; CamelMedium *medium; CamelDataWrapper *wrapper; const char *goad_id; GtkWidget *embedded; BonoboObjectClient *server; Bonobo_PersistStream persist; CORBA_Environment ev; GByteArray *ba; CamelStream *cstream; BonoboStream *bstream; if (strncmp (eb->classid, "cid:", 4) != 0) return FALSE; message = gtk_object_get_data (GTK_OBJECT (html), "message"); urls = gtk_object_get_data (GTK_OBJECT (message), "urls"); medium = g_hash_table_lookup (urls, eb->classid); g_return_val_if_fail (CAMEL_IS_MEDIUM (medium), FALSE); wrapper = camel_medium_get_content_object (medium); goad_id = gnome_mime_get_value (eb->type, "bonobo-goad-id"); if (!goad_id) { char *main_type = g_strndup (eb->type, strcspn (eb->type, "/")); goad_id = gnome_mime_get_value (main_type, "bonobo-goad-id"); g_free (main_type); } if (!goad_id) return FALSE; embedded = bonobo_widget_new_subdoc (goad_id, NULL); if (!embedded) return FALSE; gtk_signal_connect (GTK_OBJECT (embedded), "destroy", embeddable_destroy_cb, NULL); 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) { bonobo_object_unref (BONOBO_OBJECT (embedded)); return FALSE; } /* Write the data to a CamelStreamMem... */ ba = g_byte_array_new (); cstream = camel_stream_mem_new_with_byte_array (ba); 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); gtk_object_unref (GTK_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) { bonobo_object_unref (BONOBO_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 void on_url_requested (GtkHTML *html, const char *url, GtkHTMLStream *handle, gpointer user_data) { CamelMimeMessage *message; GHashTable *urls; message = gtk_object_get_data (GTK_OBJECT (html), "message"); urls = gtk_object_get_data (GTK_OBJECT (message), "urls"); user_data = g_hash_table_lookup (urls, url); if (user_data == NULL) return; if (strncmp (url, "cid:", 4) == 0) { CamelMedium *medium = user_data; CamelDataWrapper *data; CamelStream *stream_mem; GByteArray *ba; g_return_if_fail (CAMEL_IS_MEDIUM (medium)); data = camel_medium_get_content_object (medium); ba = g_byte_array_new (); stream_mem = camel_stream_mem_new_with_byte_array (ba); camel_data_wrapper_write_to_stream (data, stream_mem); gtk_html_write (html, handle, ba->data, ba->len); gtk_object_unref (GTK_OBJECT (stream_mem)); } else if (strncmp (url, "x-evolution-data:", 17) == 0) { GByteArray *ba = user_data; g_return_if_fail (ba != NULL); gtk_html_write (html, handle, ba->data, ba->len); } } void mail_html_write (GtkHTML *html, GtkHTMLStream *stream, const char *format, ...) { char *buf; va_list ap; va_start (ap, format); buf = g_strdup_vprintf (format, ap); va_end (ap); gtk_html_write (html, stream, buf, strlen (buf)); g_free (buf); } /** * mail_display_set_message: * @mail_display: the mail display object * @mime_message: the input camel medium * * Makes the mail_display object show the contents of the medium * param. This means feeding mail_display->body_stream and * mail_display->headers_stream with html. * **/ void mail_display_set_message (MailDisplay *mail_display, CamelMedium *medium) { GtkHTMLStream *stream; GtkAdjustment *adj; /* * for the moment, camel-formatter deals only with * mime messages, but in the future, it should be * able to deal with any medium. * It can work on pretty much data wrapper, but in * fact, only the medium class has the distinction * header / body */ if (!CAMEL_IS_MIME_MESSAGE (medium)) return; /* Clean up from previous message. */ if (mail_display->current_message) gtk_object_unref (GTK_OBJECT (mail_display->current_message)); mail_display->current_message = CAMEL_MIME_MESSAGE (medium); gtk_object_ref (GTK_OBJECT (medium)); gtk_object_set_data (GTK_OBJECT (mail_display->html), "message", medium); stream = gtk_html_begin (mail_display->html); mail_html_write (mail_display->html, stream, "%s%s", HTML_HEADER, "\n"); mail_format_mime_message (CAMEL_MIME_MESSAGE (medium), mail_display->html, stream, CAMEL_MIME_MESSAGE (medium)); mail_html_write (mail_display->html, stream, "\n"); gtk_html_end (mail_display->html, stream, GTK_HTML_STREAM_OK); adj = e_scroll_frame_get_vadjustment (mail_display->scroll); gtk_adjustment_set_value (adj, 0); e_scroll_frame_set_vadjustment (mail_display->scroll, adj); adj = e_scroll_frame_get_hadjustment (mail_display->scroll); gtk_adjustment_set_value (adj, 0); e_scroll_frame_set_hadjustment (mail_display->scroll, adj); } /*----------------------------------------------------------------------* * Standard Gtk+ Class functions *----------------------------------------------------------------------*/ static void mail_display_init (GtkObject *object) { MailDisplay *mail_display = MAIL_DISPLAY (object); /* various other initializations */ mail_display->current_message = NULL; } static void mail_display_destroy (GtkObject *object) { /* MailDisplay *mail_display = MAIL_DISPLAY (object); */ mail_display_parent_class->destroy (object); } static void mail_display_class_init (GtkObjectClass *object_class) { object_class->destroy = mail_display_destroy; mail_display_parent_class = gtk_type_class (PARENT_TYPE); } GtkWidget * mail_display_new (FolderBrowser *parent_folder_browser) { MailDisplay *mail_display = gtk_type_new (mail_display_get_type ()); GtkWidget *scroll, *html; g_assert (parent_folder_browser); mail_display->parent_folder_browser = parent_folder_browser; 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 (); gtk_html_set_editable (GTK_HTML (html), FALSE); gtk_signal_connect (GTK_OBJECT (html), "url_requested", GTK_SIGNAL_FUNC (on_url_requested), NULL); gtk_signal_connect (GTK_OBJECT (html), "object_requested", GTK_SIGNAL_FUNC (on_object_requested), NULL); gtk_signal_connect (GTK_OBJECT (html), "link_clicked", GTK_SIGNAL_FUNC (on_link_clicked), NULL); gtk_container_add (GTK_CONTAINER (scroll), html); gtk_widget_show (GTK_WIDGET (html)); mail_display->scroll = E_SCROLL_FRAME (scroll); mail_display->html = GTK_HTML (html); return GTK_WIDGET (mail_display); } E_MAKE_TYPE (mail_display, "MailDisplay", MailDisplay, mail_display_class_init, mail_display_init, PARENT_TYPE);