diff options
Diffstat (limited to 'mail/mail-display.c')
| -rw-r--r-- | mail/mail-display.c | 564 |
1 files changed, 0 insertions, 564 deletions
diff --git a/mail/mail-display.c b/mail/mail-display.c deleted file mode 100644 index 760c45c92e..0000000000 --- a/mail/mail-display.c +++ /dev/null @@ -1,564 +0,0 @@ -/* -*- 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 <config.h> -#include <sys/stat.h> -#include <ctype.h> -#include <fcntl.h> -#include <errno.h> -#include <gnome.h> -#include "e-util/e-util.h" -#include "e-util/e-html-utils.h" -#include "mail-display.h" -#include "mail.h" - -#include <bonobo.h> -#include <libgnorba/gnorba.h> -#include <bonobo/bonobo-stream-memory.h> -#include <libgnomevfs/gnome-vfs-mime-info.h> -#include <libgnomevfs/gnome-vfs-mime-handlers.h> - -#define PARENT_TYPE (gtk_vbox_get_type ()) - -static GtkObjectClass *mail_display_parent_class; - -static void redisplay (MailDisplay *md); - -/*----------------------------------------------------------------------* - * Callbacks - *----------------------------------------------------------------------*/ - -static void -save_data_eexist_cb (int reply, gpointer user_data) -{ - gboolean *ok = user_data; - - *ok = reply == 0; - gtk_main_quit (); -} - -static gboolean -write_data_to_file (CamelMimePart *part, const char *name, gboolean unique) -{ - CamelDataWrapper *data; - CamelStream *stream_fs; - int fd; - - g_return_val_if_fail (CAMEL_IS_MIME_PART (part), FALSE); - data = camel_medium_get_content_object (CAMEL_MEDIUM (part)); - - fd = open (name, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR); - if (fd == -1 && errno == EEXIST && !unique) { - gboolean ok = FALSE; - - gnome_ok_cancel_dialog_modal ( - "A file by that name already exists.\nOverwrite it?", - save_data_eexist_cb, &ok); - GDK_THREADS_ENTER(); - gtk_main (); - GDK_THREADS_LEAVE(); - if (!ok) - return FALSE; - 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 (msg); - g_free (msg); - return FALSE; - } - - 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 (msg); - g_free (msg); - camel_object_unref (CAMEL_OBJECT (stream_fs)); - return FALSE; - } - camel_object_unref (CAMEL_OBJECT (stream_fs)); - return TRUE; -} - -static char * -make_safe_filename (const char *prefix, CamelMimePart *part) -{ - GMimeContentField *type; - const char *name = NULL; - char *safe, *p; - - type = camel_mime_part_get_content_type (part); - if (type) - name = gmime_content_field_get_parameter (type, "name"); - if (!name) - name = camel_mime_part_get_filename (part); - if (!name) - name = "attachment"; - - p = strrchr (name, '/'); - if (p) - safe = g_strdup_printf ("%s%s", prefix, p); - else - safe = g_strdup_printf ("%s/%s", prefix, name); - - for (p = strrchr (safe, '/') + 1; *p; p++) { - if (!isascii ((unsigned char)*p) || - strchr (" /'\"`&();|<>${}!", *p)) - *p = '_'; - } - - return safe; -} - -static CamelMimePart * -part_for_url (const char *url, MailDisplay *md) -{ - GHashTable *urls; - - urls = g_datalist_get_data (md->data, "urls"); - g_return_val_if_fail (urls != NULL, NULL); - return g_hash_table_lookup (urls, url); -} - -static void -launch_external (const char *url, MailDisplay *md) -{ - const char *command = url + 21; - char *tmpl, *tmpdir, *filename, *argv[2]; - CamelMimePart *part = part_for_url (url, md); - - tmpl = g_strdup ("/tmp/evolution.XXXXXX"); -#ifdef HAVE_MKDTEMP - tmpdir = mkdtemp (tmpl); -#else - tmpdir = mktemp (tmpl); - if (tmpdir) { - if (mkdir (tmpdir, S_IRWXU) == -1) - tmpdir = NULL; - } -#endif - 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)) { - g_free (tmpl); - g_free (filename); - return; - } - - argv[0] = (char *)command; - argv[1] = filename; - - gnome_execute_async (tmpdir, 2, argv); - g_free (tmpdir); - g_free (filename); -} - -static void -save_data_cb (GtkWidget *widget, gpointer user_data) -{ - GtkFileSelection *file_select = (GtkFileSelection *) - gtk_widget_get_ancestor (widget, GTK_TYPE_FILE_SELECTION); - - write_data_to_file (user_data, - gtk_file_selection_get_filename (file_select), - FALSE); - gtk_widget_destroy (GTK_WIDGET (file_select)); -} - -static void -save_data (const char *cid, MailDisplay *md) -{ - GtkFileSelection *file_select; - char *filename; - CamelMimePart *part; - - part = part_for_url (cid, md); - g_return_if_fail (part != NULL); - filename = make_safe_filename (g_get_home_dir (), part); - - 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), part); - 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 gboolean -idle_redisplay (gpointer data) -{ - MailDisplay *md = data; - - md->idle_id = 0; - redisplay (md); - return FALSE; -} - -static void -queue_redisplay (MailDisplay *md) -{ - if (!md->idle_id) { - md->idle_id = g_idle_add_full (G_PRIORITY_LOW, idle_redisplay, - md, NULL); - } -} - -static void -on_link_clicked (GtkHTML *html, const char *url, gpointer user_data) -{ - MailDisplay *md = user_data; - - 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 (!strncmp (url, "cid:", 4)) - save_data (url, md); - else if (!strncmp (url, "x-evolution-external:", 21)) - launch_external (url, md); - else if (!strcmp (url, "x-evolution-decode-pgp:")) { - g_datalist_set_data (md->data, "show_pgp", - GINT_TO_POINTER (1)); - queue_redisplay (md); - } else - gnome_url_show (url); -} - -static gboolean -on_object_requested (GtkHTML *html, GtkHTMLEmbedded *eb, gpointer data) -{ - MailDisplay *md = data; - GHashTable *urls; - CamelMedium *medium; - CamelDataWrapper *wrapper; - OAF_ServerInfo *component; - 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; - urls = g_datalist_get_data (md->data, "urls"); - g_return_val_if_fail (urls != NULL, FALSE); - - 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); - - component = gnome_vfs_mime_get_default_component (eb->type); - if (!component) - return FALSE; - - embedded = bonobo_widget_new_subdoc (component->iid, NULL); - if (!embedded) - embedded = bonobo_widget_new_control (component->iid, NULL); - 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); - 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 void -on_url_requested (GtkHTML *html, const char *url, GtkHTMLStream *handle, - gpointer user_data) -{ - MailDisplay *md = user_data; - GHashTable *urls; - - urls = g_datalist_get_data (md->data, "urls"); - g_return_if_fail (urls != NULL); - - 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); - camel_object_unref (CAMEL_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); -} - -void -mail_text_write (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_URLS | - E_TEXT_TO_HTML_CONVERT_NL | - E_TEXT_TO_HTML_CONVERT_SPACES); - gtk_html_write (html, stream, "<tt>", 4); - gtk_html_write (html, stream, htmltext, strlen (htmltext)); - gtk_html_write (html, stream, "</tt>", 5); - g_free (htmltext); - g_free (buf); -} - -void -mail_error_write (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); - gtk_html_write (html, stream, "<em><font color=red>", 20); - gtk_html_write (html, stream, htmltext, strlen (htmltext)); - gtk_html_write (html, stream, "</font></em><br>", 16); - g_free (htmltext); - g_free (buf); -} - -static void -clear_data (CamelObject *object, gpointer event_data, gpointer user_data) -{ - GData *data = user_data; - - g_datalist_clear (&data); -} - -static void -redisplay (MailDisplay *md) -{ - GtkAdjustment *adj; - - md->stream = gtk_html_begin (md->html); - mail_html_write (md->html, md->stream, "%s%s", HTML_HEADER, - "<BODY TEXT=\"#000000\" BGCOLOR=\"#FFFFFF\">\n"); - - if (md->current_message) { - camel_object_ref (CAMEL_OBJECT (md->current_message)); - mail_format_mime_message (md->current_message, md); - } - - mail_html_write (md->html, md->stream, "</BODY></HTML>\n"); - gtk_html_end (md->html, md->stream, GTK_HTML_STREAM_OK); - md->stream = NULL; - - adj = e_scroll_frame_get_vadjustment (md->scroll); - gtk_adjustment_set_value (adj, 0); - e_scroll_frame_set_vadjustment (md->scroll, adj); - - adj = e_scroll_frame_get_hadjustment (md->scroll); - gtk_adjustment_set_value (adj, 0); - e_scroll_frame_set_hadjustment (md->scroll, adj); -} - -/** - * 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_message (MailDisplay *md, CamelMedium *medium) -{ - /* 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)); - - md->current_message = (CamelMimeMessage*)medium; - - g_datalist_init (md->data); - redisplay (md); - if (medium) { - camel_object_hook_event (CAMEL_OBJECT (medium), "finalize", - clear_data, *(md->data)); - } -} - - -/*----------------------------------------------------------------------* - * 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); - - g_datalist_clear (mail_display->data); - g_free (mail_display->data); - - 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 (void) -{ - MailDisplay *mail_display = gtk_type_new (mail_display_get_type ()); - GtkWidget *scroll, *html; - - 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), - 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_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); - mail_display->stream = NULL; - mail_display->data = g_new0 (GData *, 1); - g_datalist_init (mail_display->data); - - return GTK_WIDGET (mail_display); -} - - - -E_MAKE_TYPE (mail_display, "MailDisplay", MailDisplay, mail_display_class_init, mail_display_init, PARENT_TYPE); |