441 lines
12 KiB
C
441 lines
12 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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* mail-display.c: Mail display widget
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*
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* Author:
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* Miguel de Icaza
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* Bertrand Guiheneuf (bg@aful.org)
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*
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* (C) 2000 Helix Code, Inc.
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*/
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#include <config.h>
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#include <sys/stat.h>
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#include <ctype.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <gnome.h>
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#include "e-util/e-setup.h"
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#include "e-util/e-util.h"
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#include "mail-display.h"
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#include "mail.h"
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#include <bonobo.h>
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#include <libgnorba/gnorba.h>
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#include <bonobo/bonobo-stream-memory.h>
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#define PARENT_TYPE (gtk_vbox_get_type ())
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static GtkObjectClass *mail_display_parent_class;
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/*----------------------------------------------------------------------*
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* Callbacks
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*----------------------------------------------------------------------*/
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static void
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save_data_eexist_cb (int reply, gpointer user_data)
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{
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gboolean *ok = user_data;
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*ok = reply == 0;
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gtk_main_quit ();
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}
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static void
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save_data_cb (GtkWidget *widget, gpointer user_data)
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{
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CamelDataWrapper *data = user_data;
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CamelStream *stream_fs;
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GtkFileSelection *file_select = (GtkFileSelection *)
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gtk_widget_get_ancestor (widget, GTK_TYPE_FILE_SELECTION);
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char *name;
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int fd;
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name = gtk_file_selection_get_filename (file_select);
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fd = open (name, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
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if (fd == -1 && errno == EEXIST) {
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gboolean ok = FALSE;
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gnome_ok_cancel_dialog_modal_parented (
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"A file by that name already exists.\nOverwrite it?",
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save_data_eexist_cb, &ok, GTK_WINDOW (file_select));
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gtk_main ();
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if (!ok)
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return;
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fd = open (name, O_WRONLY | O_TRUNC);
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}
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if (fd == -1) {
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char *msg;
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msg = g_strdup_printf ("Could not open file %s:\n%s",
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name, g_strerror (errno));
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gnome_error_dialog_parented (msg, GTK_WINDOW (file_select));
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return;
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}
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stream_fs = camel_stream_fs_new_with_fd (fd);
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if (camel_data_wrapper_write_to_stream (data, stream_fs) == -1
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|| camel_stream_flush (stream_fs) == -1) {
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char *msg;
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msg = g_strdup_printf ("Could not write data: %s", strerror(errno));
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gnome_error_dialog_parented (msg, GTK_WINDOW (file_select));
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}
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gtk_object_unref (GTK_OBJECT (stream_fs));
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gtk_widget_destroy (GTK_WIDGET (file_select));
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}
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static void
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save_data (const char *cid, CamelMimeMessage *message)
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{
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GHashTable *urls;
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CamelMimePart *part;
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CamelDataWrapper *data;
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GtkFileSelection *file_select;
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char *filename;
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g_return_if_fail (CAMEL_IS_MIME_MESSAGE (message));
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urls = gtk_object_get_data (GTK_OBJECT (message), "urls");
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part = g_hash_table_lookup (urls, cid);
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g_return_if_fail (CAMEL_IS_MIME_PART (part));
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data = camel_medium_get_content_object (CAMEL_MEDIUM (part));
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filename = (char *)camel_mime_part_get_filename (part);
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if (filename) {
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char *p;
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p = strrchr (filename, '/');
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if (p)
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filename = g_strdup_printf ("%s%s", evolution_dir, p);
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else {
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filename = g_strdup_printf ("%s/%s", evolution_dir,
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filename);
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}
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for (p = strrchr (filename, '/') + 1; *p; p++) {
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if (!isascii ((unsigned char)*p) ||
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strchr (" /'\"`&();|<>${}!", *p))
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*p = '_';
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}
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} else
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filename = g_strdup_printf ("%s/attachment", evolution_dir);
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file_select = GTK_FILE_SELECTION (gtk_file_selection_new ("Save Attachment"));
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gtk_file_selection_set_filename (file_select, filename);
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g_free (filename);
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gtk_signal_connect (GTK_OBJECT (file_select->ok_button), "clicked",
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GTK_SIGNAL_FUNC (save_data_cb), data);
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gtk_signal_connect_object (GTK_OBJECT (file_select->cancel_button),
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"clicked",
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GTK_SIGNAL_FUNC (gtk_widget_destroy),
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GTK_OBJECT (file_select));
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gtk_widget_show (GTK_WIDGET (file_select));
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}
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static void
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on_link_clicked (GtkHTML *html, const char *url, gpointer user_data)
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{
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CamelMimeMessage *message;
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message = gtk_object_get_data (GTK_OBJECT (html), "message");
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if (!strncasecmp (url, "news:", 5) ||
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!strncasecmp (url, "nntp:", 5))
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g_warning ("Can't handle news URLs yet.");
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else if (!strncasecmp (url, "mailto:", 7))
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send_to_url (url);
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else if (!strncasecmp (url, "cid:", 4))
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save_data (url, message);
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else
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gnome_url_show (url);
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}
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static void
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embeddable_destroy_cb (GtkObject *obj, gpointer user_data)
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{
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BonoboWidget *be; /* bonobo embeddable */
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BonoboViewFrame *vf; /* the embeddable view frame */
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BonoboObjectClient* server;
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CORBA_Environment ev;
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be = BONOBO_WIDGET (obj);
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server = bonobo_widget_get_server (be);
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vf = bonobo_widget_get_view_frame (be);
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bonobo_control_frame_control_deactivate (
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BONOBO_CONTROL_FRAME (vf));
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/* w = bonobo_control_frame_get_widget (BONOBO_CONTROL_FRAME (vf)); */
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/* gtk_widget_destroy (w); */
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CORBA_exception_init (&ev);
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Bonobo_Unknown_unref (
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bonobo_object_corba_objref (BONOBO_OBJECT(server)), &ev);
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CORBA_Object_release (
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bonobo_object_corba_objref (BONOBO_OBJECT(server)), &ev);
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CORBA_exception_free (&ev);
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bonobo_object_unref (BONOBO_OBJECT (vf));
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}
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static gboolean
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on_object_requested (GtkHTML *html, GtkHTMLEmbedded *eb, gpointer data)
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{
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CamelMimeMessage *message;
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GHashTable *urls;
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CamelMedium *medium;
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CamelDataWrapper *wrapper;
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const char *goad_id;
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GtkWidget *embedded;
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BonoboObjectClient *server;
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Bonobo_PersistStream persist;
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CORBA_Environment ev;
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GByteArray *ba;
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CamelStream *cstream;
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BonoboStream *bstream;
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if (strncmp (eb->classid, "cid:", 4) != 0)
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return FALSE;
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message = gtk_object_get_data (GTK_OBJECT (html), "message");
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urls = gtk_object_get_data (GTK_OBJECT (message), "urls");
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medium = g_hash_table_lookup (urls, eb->classid);
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g_return_val_if_fail (CAMEL_IS_MEDIUM (medium), FALSE);
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wrapper = camel_medium_get_content_object (medium);
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goad_id = gnome_mime_get_value (eb->type, "bonobo-goad-id");
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if (!goad_id) {
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char *main_type =
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g_strndup (eb->type, strcspn (eb->type, "/"));
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goad_id = gnome_mime_get_value (main_type, "bonobo-goad-id");
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g_free (main_type);
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}
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if (!goad_id)
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return FALSE;
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embedded = bonobo_widget_new_subdoc (goad_id, NULL);
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if (!embedded)
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return FALSE;
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gtk_signal_connect (GTK_OBJECT (embedded), "destroy",
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embeddable_destroy_cb, NULL);
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server = bonobo_widget_get_server (BONOBO_WIDGET (embedded));
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persist = (Bonobo_PersistStream) bonobo_object_client_query_interface (
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server, "IDL:Bonobo/PersistStream:1.0", NULL);
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if (persist == CORBA_OBJECT_NIL) {
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bonobo_object_unref (BONOBO_OBJECT (embedded));
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return FALSE;
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}
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/* Write the data to a CamelStreamMem... */
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ba = g_byte_array_new ();
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cstream = camel_stream_mem_new_with_byte_array (ba);
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camel_data_wrapper_write_to_stream (wrapper, cstream);
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/* ...convert the CamelStreamMem to a BonoboStreamMem... */
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bstream = bonobo_stream_mem_create (ba->data, ba->len, TRUE, FALSE);
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gtk_object_unref (GTK_OBJECT (cstream));
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/* ...and hydrate the PersistStream from the BonoboStream. */
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CORBA_exception_init (&ev);
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Bonobo_PersistStream_load (persist,
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bonobo_object_corba_objref (
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BONOBO_OBJECT (bstream)),
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eb->type, &ev);
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bonobo_object_unref (BONOBO_OBJECT (bstream));
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Bonobo_Unknown_unref (persist, &ev);
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CORBA_Object_release (persist, &ev);
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if (ev._major != CORBA_NO_EXCEPTION) {
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bonobo_object_unref (BONOBO_OBJECT (embedded));
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CORBA_exception_free (&ev);
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return FALSE;
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}
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CORBA_exception_free (&ev);
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gtk_widget_show (embedded);
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gtk_container_add (GTK_CONTAINER (eb), embedded);
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return TRUE;
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}
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static void
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on_url_requested (GtkHTML *html, const char *url, GtkHTMLStream *handle,
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gpointer user_data)
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{
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CamelMimeMessage *message;
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GHashTable *urls;
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message = gtk_object_get_data (GTK_OBJECT (html), "message");
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urls = gtk_object_get_data (GTK_OBJECT (message), "urls");
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user_data = g_hash_table_lookup (urls, url);
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g_return_if_fail (user_data != NULL);
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if (strncmp (url, "cid:", 4) == 0) {
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CamelMedium *medium = user_data;
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CamelDataWrapper *data;
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CamelStream *stream_mem;
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GByteArray *ba;
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g_return_if_fail (CAMEL_IS_MEDIUM (medium));
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data = camel_medium_get_content_object (medium);
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ba = g_byte_array_new ();
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stream_mem = camel_stream_mem_new_with_byte_array (ba);
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camel_data_wrapper_write_to_stream (data, stream_mem);
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gtk_html_write (html, handle, ba->data, ba->len);
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gtk_object_unref (GTK_OBJECT (stream_mem));
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} else if (strncmp (url, "x-evolution-data:", 17) == 0) {
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GByteArray *ba = user_data;
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g_return_if_fail (ba != NULL);
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gtk_html_write (html, handle, ba->data, ba->len);
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}
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}
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void
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mail_html_write (GtkHTML *html, GtkHTMLStream *stream,
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const char *format, ...)
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{
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char *buf;
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va_list ap;
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va_start (ap, format);
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buf = g_strdup_vprintf (format, ap);
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va_end (ap);
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gtk_html_write (html, stream, buf, strlen (buf));
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g_free (buf);
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}
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/**
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* mail_display_set_message:
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* @mail_display: the mail display object
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* @mime_message: the input camel medium
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*
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* Makes the mail_display object show the contents of the medium
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* param. This means feeding mail_display->body_stream and
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* mail_display->headers_stream with html.
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*
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**/
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void
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mail_display_set_message (MailDisplay *mail_display,
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CamelMedium *medium)
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{
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GtkHTMLStream *stream;
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GtkAdjustment *adj;
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/*
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* for the moment, camel-formatter deals only with
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* mime messages, but in the future, it should be
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* able to deal with any medium.
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* It can work on pretty much data wrapper, but in
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* fact, only the medium class has the distinction
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* header / body
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*/
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if (!CAMEL_IS_MIME_MESSAGE (medium))
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return;
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/* Clean up from previous message. */
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if (mail_display->current_message)
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gtk_object_unref (GTK_OBJECT (mail_display->current_message));
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mail_display->current_message = CAMEL_MIME_MESSAGE (medium);
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gtk_object_ref (GTK_OBJECT (medium));
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gtk_object_set_data (GTK_OBJECT (mail_display->html), "message", medium);
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stream = gtk_html_begin (mail_display->html);
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mail_html_write (mail_display->html, stream, "%s%s", HTML_HEADER,
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"<BODY TEXT=\"#000000\" BGCOLOR=\"#FFFFFF\">\n");
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mail_format_mime_message (CAMEL_MIME_MESSAGE (medium),
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mail_display->html, stream,
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CAMEL_MIME_MESSAGE (medium));
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mail_html_write (mail_display->html, stream, "</BODY></HTML>\n");
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gtk_html_end (mail_display->html, stream, GTK_HTML_STREAM_OK);
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adj = e_scroll_frame_get_vadjustment (mail_display->scroll);
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gtk_adjustment_set_value (adj, 0);
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e_scroll_frame_set_vadjustment (mail_display->scroll, adj);
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adj = e_scroll_frame_get_hadjustment (mail_display->scroll);
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gtk_adjustment_set_value (adj, 0);
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e_scroll_frame_set_hadjustment (mail_display->scroll, adj);
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}
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/*----------------------------------------------------------------------*
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* Standard Gtk+ Class functions
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*----------------------------------------------------------------------*/
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static void
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mail_display_init (GtkObject *object)
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{
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MailDisplay *mail_display = MAIL_DISPLAY (object);
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/* various other initializations */
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mail_display->current_message = NULL;
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}
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static void
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mail_display_destroy (GtkObject *object)
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{
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/* MailDisplay *mail_display = MAIL_DISPLAY (object); */
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mail_display_parent_class->destroy (object);
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}
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static void
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mail_display_class_init (GtkObjectClass *object_class)
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{
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object_class->destroy = mail_display_destroy;
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mail_display_parent_class = gtk_type_class (PARENT_TYPE);
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}
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GtkWidget *
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mail_display_new (FolderBrowser *parent_folder_browser)
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{
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MailDisplay *mail_display = gtk_type_new (mail_display_get_type ());
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GtkWidget *scroll, *html;
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g_assert (parent_folder_browser);
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mail_display->parent_folder_browser = parent_folder_browser;
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gtk_box_set_homogeneous (GTK_BOX (mail_display), FALSE);
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gtk_widget_show (GTK_WIDGET (mail_display));
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scroll = e_scroll_frame_new (NULL, NULL);
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e_scroll_frame_set_policy (E_SCROLL_FRAME (scroll),
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GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
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e_scroll_frame_set_shadow_type (E_SCROLL_FRAME (scroll), GTK_SHADOW_IN);
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gtk_box_pack_start_defaults (GTK_BOX (mail_display), GTK_WIDGET (scroll));
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gtk_widget_show (GTK_WIDGET (scroll));
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html = gtk_html_new ();
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gtk_html_set_editable (GTK_HTML (html), FALSE);
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gtk_signal_connect (GTK_OBJECT (html), "url_requested",
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GTK_SIGNAL_FUNC (on_url_requested), NULL);
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gtk_signal_connect (GTK_OBJECT (html), "object_requested",
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GTK_SIGNAL_FUNC (on_object_requested), NULL);
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gtk_signal_connect (GTK_OBJECT (html), "link_clicked",
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GTK_SIGNAL_FUNC (on_link_clicked), NULL);
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gtk_container_add (GTK_CONTAINER (scroll), html);
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gtk_widget_show (GTK_WIDGET (html));
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mail_display->scroll = E_SCROLL_FRAME (scroll);
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mail_display->html = GTK_HTML (html);
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return GTK_WIDGET (mail_display);
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}
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E_MAKE_TYPE (mail_display, "MailDisplay", MailDisplay, mail_display_class_init, mail_display_init, PARENT_TYPE);
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