src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gdk/gdkkeysyms.h>
  28 #include <gtk/gtknotebook.h>
  29 #include <gtk/gtkscrolledwindow.h>
  30 #include <gtk/gtkctree.h>
  31 #include <gtk/gtkvbox.h>
  32 #include <gtk/gtkvpaned.h>
  33 #include <gtk/gtktext.h>
  34 #include <gtk/gtksignal.h>
  35 #include <gtk/gtkmenu.h>
  36 #include <gtk/gtkdnd.h>
  37 #include <gtk/gtkselection.h>
  38 #include <stdio.h>
  39 #include <unistd.h>
  40 #include <fnmatch.h>
  41
  42 #include "intl.h"
  43 #include "main.h"
  44 #include "mimeview.h"
  45 #include "textview.h"
  46 #include "procmime.h"
  47 #include "summaryview.h"
  48 #include "menu.h"
  49 #include "filesel.h"
  50 #include "alertpanel.h"
  51 #include "inputdialog.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "rfc2015.h"
  56 #include "pgptext.h"
  57
  58 typedef enum
  59 {
  60         COL_MIMETYPE = 0,
  61         COL_SIZE     = 1,
  62         COL_NAME     = 2
  63 } MimeViewColumnPos;
  64
  65 #define N_MIMEVIEW_COLS 3
  66
  67 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  68                                                  MimeInfo       *mimeinfo,
  69                                                  GtkCTreeNode   *parent);
  70 static GtkCTreeNode *mimeview_append_part       (MimeView       *mimeview,
  71                                                  MimeInfo       *partinfo,
  72                                                  GtkCTreeNode   *parent);
  73 static void mimeview_show_message_part          (MimeView       *mimeview,
  74                                                  MimeInfo       *partinfo);
  75 static void mimeview_show_image_part            (MimeView       *mimeview,
  76                                                  MimeInfo       *partinfo);
  77 static void mimeview_change_view_type           (MimeView       *mimeview,
  78                                                  MimeViewType    type);
  79 static void mimeview_clear                      (MimeView       *mimeview);
  80
  81 static void mimeview_selected           (GtkCTree       *ctree,
  82                                          GtkCTreeNode   *node,
  83                                          gint            column,
  84                                          MimeView       *mimeview);
  85 static void mimeview_start_drag         (GtkWidget      *widget,
  86                                          gint            button,
  87                                          GdkEvent       *event,
  88                                          MimeView       *mimeview);
  89 static gint mimeview_button_pressed     (GtkWidget      *widget,
  90                                          GdkEventButton *event,
  91                                          MimeView       *mimeview);
  92 static gint mimeview_key_pressed        (GtkWidget      *widget,
  93                                          GdkEventKey    *event,
  94                                          MimeView       *mimeview);
  95
  96 static void mimeview_drag_data_get      (GtkWidget        *widget,
  97                                          GdkDragContext   *drag_context,
  98                                          GtkSelectionData *selection_data,
  99                                          guint             info,
 100                                          guint             time,
 101                                          MimeView         *mimeview);
 102
 103 static void mimeview_display_as_text    (MimeView       *mimeview);
 104 static void mimeview_show_image         (MimeView       *mimeview);
 105 static void mimeview_save_as            (MimeView       *mimeview);
 106 static void mimeview_save_all           (MimeView       *mimeview);
 107 static void mimeview_launch             (MimeView       *mimeview);
 108 static void mimeview_open_with          (MimeView       *mimeview);
 109 static void mimeview_view_file          (const gchar    *filename,
 110                                          MimeInfo       *partinfo,
 111                                          const gchar    *cmdline);
 112
 113 static GtkItemFactoryEntry mimeview_popup_entries[] =
 114 {
 115         {N_("/_Open"),            NULL, mimeview_launch,          0, NULL},
 116         {N_("/Open _with..."),    NULL, mimeview_open_with,       0, NULL},
 117         {N_("/_Display as text"), NULL, mimeview_display_as_text, 0, NULL},
 118         {N_("/_Display image"),   NULL, mimeview_show_image,      0, NULL},
 119         {N_("/_Save as..."),      NULL, mimeview_save_as,         0, NULL},
 120         {N_("/Save _all..."),     NULL, mimeview_save_all,        0, NULL}
 121 #if USE_GPGME
 122         ,
 123         {N_("/_Check signature"), NULL, mimeview_check_signature, 0, NULL}
 124 #endif
 125 };
 126
 127 static GtkTargetEntry mimeview_mime_types[] =
 128 {
 129         {"text/uri-list", 0, 0}
 130 };
 131
 132 GSList *mimeviewer_factories;
 133 GSList *mimeviews;
 134
 135 MimeView *mimeview_create(void)
 136 {
 137         MimeView *mimeview;
 138
 139         GtkWidget *notebook;
 140         GtkWidget *vbox;
 141         GtkWidget *paned;
 142         GtkWidget *scrolledwin;
 143         GtkWidget *ctree;
 144         GtkWidget *mime_vbox;
 145         GtkWidget *popupmenu;
 146         GtkItemFactory *popupfactory;
 147         gchar *titles[N_MIMEVIEW_COLS];
 148         gint n_entries;
 149         gint i;
 150
 151         debug_print("Creating MIME view...\n");
 152         mimeview = g_new0(MimeView, 1);
 153
 154         titles[COL_MIMETYPE] = _("MIME Type");
 155         titles[COL_SIZE]     = _("Size");
 156         titles[COL_NAME]     = _("Name");
 157
 158         notebook = gtk_notebook_new();
 159         gtk_notebook_set_scrollable(GTK_NOTEBOOK(notebook), TRUE);
 160
 161         vbox = gtk_vbox_new(FALSE, 0);
 162         gtk_container_add(GTK_CONTAINER(notebook), vbox);
 163         gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(notebook), vbox,
 164                                         _("Text"));
 165
 166         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 167         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 168                                        GTK_POLICY_AUTOMATIC,
 169                                        GTK_POLICY_ALWAYS);
 170         gtk_widget_set_usize(scrolledwin, -1, 80);
 171
 172         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 173         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 174         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 175         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
 176                                            GTK_JUSTIFY_RIGHT);
 177         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
 178         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 64);
 179         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 180                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 181                                        GTK_CAN_FOCUS);
 182         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 183
 184         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 185                            GTK_SIGNAL_FUNC(mimeview_selected), mimeview);
 186         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 187                            GTK_SIGNAL_FUNC(mimeview_button_pressed), mimeview);
 188         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 189                            GTK_SIGNAL_FUNC(mimeview_key_pressed), mimeview);
 190         gtk_signal_connect(GTK_OBJECT (ctree),"start_drag",
 191                            GTK_SIGNAL_FUNC (mimeview_start_drag), mimeview);
 192         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
 193                            GTK_SIGNAL_FUNC(mimeview_drag_data_get), mimeview);
 194
 195         mime_vbox = gtk_vbox_new(FALSE, 0);
 196
 197         paned = gtk_vpaned_new();
 198         gtk_paned_add1(GTK_PANED(paned), scrolledwin);
 199         gtk_paned_add2(GTK_PANED(paned), mime_vbox);
 200         gtk_container_add(GTK_CONTAINER(notebook), paned);
 201         gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(notebook), paned,
 202                                         _("Attachments"));
 203
 204         gtk_widget_show_all(notebook);
 205
 206         gtk_notebook_set_page(GTK_NOTEBOOK(notebook), 0);
 207
 208         n_entries = sizeof(mimeview_popup_entries) /
 209                 sizeof(mimeview_popup_entries[0]);
 210         popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
 211                                       "<MimeView>", &popupfactory, mimeview);
 212
 213         mimeview->notebook     = notebook;
 214         mimeview->vbox         = vbox;
 215         mimeview->paned        = paned;
 216         mimeview->scrolledwin  = scrolledwin;
 217         mimeview->ctree        = ctree;
 218         mimeview->mime_vbox    = mime_vbox;
 219         mimeview->popupmenu    = popupmenu;
 220         mimeview->popupfactory = popupfactory;
 221         mimeview->type         = -1;
 222
 223         mimeviews = g_slist_prepend(mimeviews, mimeview);
 224
 225         return mimeview;
 226 }
 227
 228 void mimeview_init(MimeView *mimeview)
 229 {
 230 }
 231
 232 /*
 233  * Check whether the message is OpenPGP signed
 234  */
 235 #if USE_GPGME
 236 static gboolean mimeview_is_signed(MimeView *mimeview)
 237 {
 238         MimeInfo *partinfo = NULL;
 239
 240         debug_print("mimeview_is signed of %p\n", mimeview);
 241
 242         if (!mimeview) return FALSE;
 243         if (!mimeview->opened) return FALSE;
 244
 245         debug_print("mimeview_is_signed: open\n" );
 246
 247         if (!mimeview->file) return FALSE;
 248
 249         debug_print("mimeview_is_signed: file\n" );
 250
 251         partinfo = gtk_ctree_node_get_row_data
 252                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 253         g_return_val_if_fail(partinfo != NULL, FALSE);
 254
 255         /* walk the tree and see whether there is a signature somewhere */
 256         do {
 257                 if (rfc2015_has_signature(partinfo))
 258                         return TRUE;
 259         } while ((partinfo = partinfo->parent) != NULL);
 260
 261         debug_print("mimeview_is_signed: FALSE\n" );
 262
 263         return FALSE;
 264 }
 265
 266 static void set_unchecked_signature(MimeInfo *mimeinfo)
 267 {
 268         MimeInfo *sig_partinfo;
 269
 270         sig_partinfo = rfc2015_find_signature(mimeinfo);
 271         if (sig_partinfo == NULL) return;
 272
 273         g_free(sig_partinfo->sigstatus);
 274         sig_partinfo->sigstatus =
 275                 g_strdup(_("Select \"Check signature\" to check"));
 276
 277         g_free(sig_partinfo->sigstatus_full);
 278         sig_partinfo->sigstatus_full = NULL;
 279 }
 280 #endif /* USE_GPGME */
 281
 282 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 283                            const gchar *file)
 284 {
 285         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 286         GtkCTreeNode *node;
 287         gchar buf[BUFFSIZE];
 288         FILE *fp;
 289
 290         mimeview_clear(mimeview);
 291         textview_clear(mimeview->messageview->textview);
 292
 293         g_return_if_fail(file != NULL);
 294         g_return_if_fail(mimeinfo != NULL);
 295
 296         mimeview->mimeinfo = mimeinfo;
 297
 298         if ((fp = fopen(file, "rb")) == NULL) {
 299                 FILE_OP_ERROR(file, "fopen");
 300                 return;
 301         }
 302         mimeview->file = g_strdup(file);
 303
 304         /* skip MIME part headers */
 305         if (mimeinfo->mime_type == MIME_MULTIPART) {
 306                 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
 307                         perror("fseek");
 308                 while (fgets(buf, sizeof(buf), fp) != NULL)
 309                         if (buf[0] == '\r' || buf[0] == '\n') break;
 310         }
 311
 312         procmime_scan_multipart_message(mimeinfo, fp);
 313 #if USE_GPGME
 314         if ((prefs_common.auto_check_signatures)
 315             && (gpg_started))
 316                 rfc2015_check_signature(mimeinfo, fp);
 317         else
 318                 set_unchecked_signature(mimeinfo);
 319 #endif
 320
 321         gtk_signal_handler_block_by_func(GTK_OBJECT(ctree), mimeview_selected,
 322                                          mimeview);
 323
 324         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 325
 326         gtk_signal_handler_unblock_by_func(GTK_OBJECT(ctree),
 327                                            mimeview_selected, mimeview);
 328
 329         /* search first text part */
 330         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 331              node != NULL; node = GTK_CTREE_NODE_NEXT(node)) {
 332                 MimeInfo *partinfo;
 333
 334                 partinfo = gtk_ctree_node_get_row_data(ctree, node);
 335                 if (partinfo &&
 336                     (partinfo->mime_type == MIME_TEXT ||
 337                      partinfo->mime_type == MIME_TEXT_HTML))
 338                         break;
 339         }
 340         fclose(fp);
 341         textview_show_message(mimeview->messageview->textview, mimeinfo, file);
 342
 343         if (!node)
 344                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 345
 346         if (node) {
 347                 gtk_ctree_select(ctree, node);
 348                 gtkut_ctree_set_focus_row(ctree, node);
 349                 gtk_widget_grab_focus(mimeview->ctree);
 350         }
 351 }
 352
 353 void mimeview_destroy(MimeView *mimeview)
 354 {
 355         GSList *cur;
 356
 357         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 358                 MimeViewer *viewer = (MimeViewer *) cur->data;
 359                 viewer->destroy_viewer(viewer);
 360         }
 361         g_slist_free(mimeview->viewers);
 362
 363         procmime_mimeinfo_free_all(mimeview->mimeinfo);
 364         g_free(mimeview->file);
 365         g_free(mimeview);
 366
 367         mimeviews = g_slist_remove(mimeviews, mimeview);
 368 }
 369
 370 static void mimeview_set_multipart_tree(MimeView *mimeview,
 371                                         MimeInfo *mimeinfo,
 372                                         GtkCTreeNode *parent)
 373 {
 374         GtkCTreeNode *current = parent;
 375
 376         g_return_if_fail(mimeinfo != NULL);
 377
 378         if (!mimeinfo->sub && mimeinfo->parent)
 379                 current = mimeview_append_part(mimeview, mimeinfo, parent);
 380         if (mimeinfo->sub && !mimeinfo->sub->children &&
 381             mimeinfo->sub->mime_type != MIME_TEXT &&
 382             mimeinfo->sub->mime_type != MIME_TEXT_HTML) {
 383                 mimeview_append_part(mimeview, mimeinfo->sub, parent);
 384                 return;
 385         }
 386
 387         if (mimeinfo->sub)
 388                 mimeview_set_multipart_tree(mimeview, mimeinfo->sub, current);
 389
 390         if (mimeinfo->children)
 391                 mimeview_set_multipart_tree(mimeview, mimeinfo->children, current);
 392
 393         if (mimeinfo->next)
 394                 mimeview_set_multipart_tree(mimeview, mimeinfo->next, parent);
 395 }
 396
 397 static gchar *get_part_name(MimeInfo *partinfo)
 398 {
 399 #if USE_GPGME
 400         if (partinfo->sigstatus)
 401                 return partinfo->sigstatus;
 402         else
 403 #endif
 404         if (partinfo->name)
 405                 return partinfo->name;
 406         else if (partinfo->filename)
 407                 return partinfo->filename;
 408         else if (partinfo->description)
 409                 return partinfo->description;
 410         else
 411                 return "";
 412 }
 413
 414 static gchar *get_part_description(MimeInfo *partinfo)
 415 {
 416         if (partinfo->description)
 417                 return partinfo->description;
 418         else if (partinfo->name)
 419                 return partinfo->name;
 420         else if (partinfo->filename)
 421                 return partinfo->filename;
 422         else
 423                 return "";
 424 }
 425
 426 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 427                                           MimeInfo *partinfo,
 428                                           GtkCTreeNode *parent)
 429 {
 430         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 431         GtkCTreeNode *node;
 432         gchar *str[N_MIMEVIEW_COLS];
 433
 434         str[COL_MIMETYPE] =
 435                 partinfo->content_type ? partinfo->content_type : "";
 436         str[COL_SIZE] = to_human_readable(partinfo->size);
 437         if (prefs_common.attach_desc)
 438                 str[COL_NAME] = get_part_description(partinfo);
 439         else
 440                 str[COL_NAME] = get_part_name(partinfo);
 441
 442         node = gtk_ctree_insert_node(ctree, parent, NULL, str, 0,
 443                                      NULL, NULL, NULL, NULL,
 444                                      FALSE, TRUE);
 445         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 446
 447         return node;
 448 }
 449
 450 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 451 {
 452         FILE *fp;
 453         const gchar *fname;
 454 #if USE_GPGME
 455         MimeInfo *pi;
 456 #endif
 457
 458         if (!partinfo) return;
 459
 460 #if USE_GPGME
 461         for (pi = partinfo; pi && !pi->plaintextfile ; pi = pi->parent)
 462                 ;
 463         fname = pi ? pi->plaintextfile : mimeview->file;
 464 #else
 465         fname = mimeview->file;
 466 #endif /* USE_GPGME */
 467         if (!fname) return;
 468
 469         if ((fp = fopen(fname, "rb")) == NULL) {
 470                 FILE_OP_ERROR(fname, "fopen");
 471                 return;
 472         }
 473
 474         if (fseek(fp, partinfo->fpos, SEEK_SET) < 0) {
 475                 FILE_OP_ERROR(mimeview->file, "fseek");
 476                 fclose(fp);
 477                 return;
 478         }
 479
 480         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 481         textview_show_part(mimeview->textview, partinfo, fp);
 482
 483         fclose(fp);
 484 }
 485
 486 static void mimeview_show_image_part(MimeView *mimeview, MimeInfo *partinfo)
 487 {
 488         gchar *filename;
 489
 490         if (!partinfo) return;
 491
 492         filename = procmime_get_tmp_file_name(partinfo);
 493
 494         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
 495                 alertpanel_error
 496                         (_("Can't get the part of multipart message."));
 497         else {
 498                 mimeview_change_view_type(mimeview, MIMEVIEW_IMAGE);
 499                 /* Workaround for the GTK+ bug with handling scroll adjustments
 500                  * in GtkViewport */
 501                 imageview_clear(mimeview->imageview);
 502                 imageview_show_image(mimeview->imageview, partinfo, filename,
 503                                      prefs_common.resize_image);
 504                 unlink(filename);
 505         }
 506
 507         g_free(filename);
 508 }
 509
 510 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 511 {
 512         GSList *cur;
 513         MimeViewerFactory *factory = NULL;
 514         MimeViewer *viewer = NULL;
 515
 516         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 517                 MimeViewerFactory *curfactory = cur->data;
 518
 519                 if(!fnmatch(curfactory->content_type, content_type, 0)) {
 520                         factory = curfactory;
 521                         break;
 522                 }
 523         }
 524         if (factory == NULL)
 525                 return NULL;
 526
 527         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 528                 MimeViewer *curviewer = cur->data;
 529
 530                 if (curviewer->factory == factory)
 531                         return curviewer;
 532         }
 533         viewer = factory->create_viewer();
 534         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 535
 536         return viewer;
 537 }
 538
 539 static gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 540 {
 541         MimeViewer *viewer;
 542
 543         viewer = get_viewer_for_content_type(mimeview, partinfo->content_type);
 544         if (viewer == NULL) {
 545                 if (mimeview->mimeviewer != NULL)
 546                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 547                 mimeview->mimeviewer = NULL;
 548                 return FALSE;
 549         }
 550
 551         if (mimeview->mimeviewer != viewer) {
 552                 if (mimeview->mimeviewer != NULL)
 553                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 554                 mimeview->mimeviewer = viewer;
 555                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 556         }
 557         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 558
 559         return TRUE;
 560 }
 561
 562 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 563 {
 564         TextView  *textview  = mimeview->textview;
 565         ImageView *imageview = mimeview->imageview;
 566         GList *children;
 567
 568         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 569             (mimeview->type == type)) return;
 570
 571         children = gtk_container_children(GTK_CONTAINER(mimeview->mime_vbox));
 572         if (children) {
 573                 gtkut_container_remove(GTK_CONTAINER(mimeview->mime_vbox),
 574                                        GTK_WIDGET(children->data));
 575                 g_list_free(children);
 576         }
 577
 578         switch (type) {
 579         case MIMEVIEW_IMAGE:
 580                 gtk_container_add(GTK_CONTAINER(mimeview->mime_vbox),
 581                                   GTK_WIDGET_PTR(imageview));
 582                 break;
 583         case MIMEVIEW_TEXT:
 584                 gtk_container_add(GTK_CONTAINER(mimeview->mime_vbox),
 585                                   GTK_WIDGET_PTR(textview));
 586                 break;
 587         case MIMEVIEW_VIEWER:
 588                 gtk_container_add(GTK_CONTAINER(mimeview->mime_vbox),
 589                                   GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer)));
 590                 break;
 591         default:
 592                 return;
 593         }
 594
 595         mimeview->type = type;
 596 }
 597
 598 static void mimeview_clear(MimeView *mimeview)
 599 {
 600         GtkCList *clist = GTK_CLIST(mimeview->ctree);
 601
 602         procmime_mimeinfo_free_all(mimeview->mimeinfo);
 603         mimeview->mimeinfo = NULL;
 604
 605         gtk_clist_clear(clist);
 606         textview_clear(mimeview->textview);
 607         imageview_clear(mimeview->imageview);
 608         if (mimeview->mimeviewer != NULL)
 609                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 610
 611         mimeview->opened = NULL;
 612
 613         g_free(mimeview->file);
 614         mimeview->file = NULL;
 615
 616         /* gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 0); */
 617 }
 618
 619 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
 620                               MimeView *mimeview)
 621 {
 622         MimeInfo *partinfo;
 623
 624         if (mimeview->opened == node) return;
 625         mimeview->opened = node;
 626         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
 627
 628         partinfo = gtk_ctree_node_get_row_data(ctree, node);
 629         if (!partinfo) return;
 630
 631         /* ungrab the mouse event */
 632         if (GTK_WIDGET_HAS_GRAB(ctree)) {
 633                 gtk_grab_remove(GTK_WIDGET(ctree));
 634                 if (gdk_pointer_is_grabbed())
 635                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
 636         }
 637
 638         mimeview->textview->default_text = FALSE;
 639
 640         if (!mimeview_show_part(mimeview, partinfo)) {
 641                 switch (partinfo->mime_type) {
 642                 case MIME_TEXT:
 643                 case MIME_TEXT_HTML:
 644                 case MIME_TEXT_ENRICHED:
 645                 case MIME_MESSAGE_RFC822:
 646                 case MIME_MULTIPART:
 647                         mimeview_show_message_part(mimeview, partinfo);
 648
 649                         break;
 650 #if (HAVE_GDK_PIXBUF || HAVE_GDK_IMLIB)
 651                 case MIME_IMAGE:
 652                         mimeview->textview->default_text = TRUE;
 653                         if (prefs_common.display_img)
 654                                 mimeview_show_image_part(mimeview, partinfo);
 655                         else {
 656                                 mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 657                                 textview_show_mime_part(mimeview->textview, partinfo);
 658                         }
 659                         break;
 660 #endif
 661                 default:
 662                         mimeview->textview->default_text = TRUE;
 663                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 664 #if USE_GPGME
 665                         if (g_strcasecmp(partinfo->content_type,
 666                                          "application/pgp-signature") == 0)
 667                                 textview_show_signature_part(mimeview->textview,
 668                                                              partinfo);
 669                         else
 670 #endif
 671                                 textview_show_mime_part(mimeview->textview, partinfo);
 672                         break;
 673                 }
 674         }
 675 }
 676
 677 static void mimeview_start_drag(GtkWidget *widget, gint button,
 678                                 GdkEvent *event, MimeView *mimeview)
 679 {
 680         GtkTargetList *list;
 681         GdkDragContext *context;
 682         MimeInfo *partinfo;
 683         GtkCTree *ctree;
 684
 685         g_return_if_fail(mimeview != NULL);
 686         ctree = GTK_CTREE(mimeview->ctree);
 687         partinfo = gtk_ctree_node_get_row_data(ctree, mimeview->opened);
 688         if (partinfo->filename == NULL && partinfo->name == NULL) return;
 689
 690         list = gtk_target_list_new(mimeview_mime_types, 1);
 691         context = gtk_drag_begin(widget, list,
 692                                  GDK_ACTION_COPY, button, event);
 693         gtk_drag_set_icon_default(context);
 694 }
 695
 696 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
 697                                     MimeView *mimeview)
 698 {
 699         GtkCList *clist = GTK_CLIST(widget);
 700         MimeInfo *partinfo;
 701         gint row, column;
 702
 703         if (!event) return FALSE;
 704
 705         if (event->button == 2 || event->button == 3) {
 706                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
 707                                                   &row, &column))
 708                         return FALSE;
 709                 gtk_clist_unselect_all(clist);
 710                 gtk_clist_select_row(clist, row, column);
 711                 gtkut_clist_set_focus_row(clist, row);
 712         }
 713
 714         if (event->button == 2 ||
 715             (event->button == 1 && event->type == GDK_2BUTTON_PRESS)) {
 716                 /* call external program for image, audio or html */
 717                 mimeview_launch(mimeview);
 718         } else if (event->button == 3) {
 719                 partinfo = gtk_ctree_node_get_row_data
 720                         (GTK_CTREE(mimeview->ctree), mimeview->opened);
 721                 if (partinfo && (partinfo->mime_type == MIME_TEXT ||
 722                                  partinfo->mime_type == MIME_TEXT_HTML ||
 723                                  partinfo->mime_type == MIME_TEXT_ENRICHED ||
 724                                  partinfo->mime_type == MIME_MESSAGE_RFC822 ||
 725                                  partinfo->mime_type == MIME_IMAGE ||
 726                                  partinfo->mime_type == MIME_MULTIPART))
 727                         menu_set_sensitive(mimeview->popupfactory,
 728                                            "/Display as text", FALSE);
 729                 else
 730                         menu_set_sensitive(mimeview->popupfactory,
 731                                            "/Display as text", TRUE);
 732                 if (partinfo &&
 733                     partinfo->mime_type == MIME_APPLICATION_OCTET_STREAM)
 734                         menu_set_sensitive(mimeview->popupfactory,
 735                                            "/Open", FALSE);
 736                 else
 737                         menu_set_sensitive(mimeview->popupfactory,
 738                                            "/Open", TRUE);
 739
 740 #if (HAVE_GDK_PIXBUF || HAVE_GDK_IMLIB)
 741                 if (partinfo && (partinfo->mime_type == MIME_IMAGE))
 742                         menu_set_sensitive(mimeview->popupfactory,
 743                                            "/Display image", TRUE);
 744 #endif
 745 #if USE_GPGME
 746                 menu_set_sensitive(mimeview->popupfactory,
 747                                    "/Check signature",
 748                                    mimeview_is_signed(mimeview));
 749 #endif
 750
 751                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
 752                                NULL, NULL, NULL, NULL,
 753                                event->button, event->time);
 754         }
 755
 756         return TRUE;
 757 }
 758
 759 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
 760 {
 761         mimeview_key_pressed(mimeview->ctree, event, mimeview);
 762 }
 763
 764 #define BREAK_ON_MODIFIER_KEY() \
 765         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
 766
 767 #define KEY_PRESS_EVENT_STOP() \
 768         if (gtk_signal_n_emissions_by_name \
 769                 (GTK_OBJECT(ctree), "key_press_event") > 0) { \
 770                 gtk_signal_emit_stop_by_name(GTK_OBJECT(ctree), \
 771                                              "key_press_event"); \
 772         }
 773
 774 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
 775                                  MimeView *mimeview)
 776 {
 777         SummaryView *summaryview;
 778         GtkCTree *ctree = GTK_CTREE(widget);
 779         GtkCTreeNode *node;
 780
 781         if (!event) return FALSE;
 782         if (!mimeview->opened) return FALSE;
 783
 784         switch (event->keyval) {
 785         case GDK_space:
 786                 if (textview_scroll_page(mimeview->textview, FALSE))
 787                         return TRUE;
 788
 789                 node = GTK_CTREE_NODE_NEXT(mimeview->opened);
 790                 if (node) {
 791                         gtk_sctree_unselect_all(GTK_SCTREE(ctree));
 792                         gtk_sctree_select(GTK_SCTREE(ctree), node);
 793                         return TRUE;
 794                 }
 795                 break;
 796         case GDK_BackSpace:
 797                 textview_scroll_page(mimeview->textview, TRUE);
 798                 return TRUE;
 799         case GDK_Return:
 800                 textview_scroll_one_line(mimeview->textview,
 801                                          (event->state & GDK_MOD1_MASK) != 0);
 802                 return TRUE;
 803         case GDK_n:
 804         case GDK_N:
 805                 BREAK_ON_MODIFIER_KEY();
 806                 if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
 807                 KEY_PRESS_EVENT_STOP();
 808
 809                 gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
 810                                         GTK_SCROLL_STEP_FORWARD, 0.0);
 811                 return TRUE;
 812         case GDK_p:
 813         case GDK_P:
 814                 BREAK_ON_MODIFIER_KEY();
 815                 if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
 816                 KEY_PRESS_EVENT_STOP();
 817
 818                 gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
 819                                         GTK_SCROLL_STEP_BACKWARD, 0.0);
 820                 return TRUE;
 821         case GDK_y:
 822                 BREAK_ON_MODIFIER_KEY();
 823                 KEY_PRESS_EVENT_STOP();
 824                 mimeview_save_as(mimeview);
 825                 return TRUE;
 826         case GDK_t:
 827                 BREAK_ON_MODIFIER_KEY();
 828                 KEY_PRESS_EVENT_STOP();
 829                 mimeview_display_as_text(mimeview);
 830                 return TRUE;
 831         case GDK_i:
 832                 BREAK_ON_MODIFIER_KEY();
 833                 KEY_PRESS_EVENT_STOP();
 834                 mimeview_show_image(mimeview);
 835                 return TRUE;
 836         case GDK_l:
 837                 BREAK_ON_MODIFIER_KEY();
 838                 KEY_PRESS_EVENT_STOP();
 839                 mimeview_launch(mimeview);
 840                 return TRUE;
 841         default:
 842                 break;
 843         }
 844
 845         if (!mimeview->messageview->mainwin) return FALSE;
 846         summaryview = mimeview->messageview->mainwin->summaryview;
 847         summary_pass_key_press_event(summaryview, event);
 848         return TRUE;
 849 }
 850
 851 static void mimeview_drag_data_get(GtkWidget        *widget,
 852                                    GdkDragContext   *drag_context,
 853                                    GtkSelectionData *selection_data,
 854                                    guint             info,
 855                                    guint             time,
 856                                    MimeView         *mimeview)
 857 {
 858         gchar *filename, *uriname;
 859         MimeInfo *partinfo;
 860
 861         if (!mimeview->opened) return;
 862         if (!mimeview->file) return;
 863
 864         partinfo = gtk_ctree_node_get_row_data
 865                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 866         if (!partinfo) return;
 867         if (!partinfo->filename && !partinfo->name) return;
 868
 869         filename = partinfo->filename ? partinfo->filename : partinfo->name;
 870         filename = g_basename(filename);
 871         if (*filename == '\0') return;
 872
 873         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
 874                                filename, NULL);
 875
 876         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
 877                 alertpanel_error
 878                         (_("Can't save the part of multipart message."));
 879
 880         uriname = g_strconcat("file:/", filename, NULL);
 881         gtk_selection_data_set(selection_data, selection_data->target, 8,
 882                                uriname, strlen(uriname));
 883
 884         g_free(uriname);
 885         g_free(filename);
 886 }
 887
 888 static void mimeview_save_all(MimeView *mimeview)
 889 {
 890         gchar *dirname;
 891         gchar *defname = NULL;
 892         MimeInfo *partinfo;
 893         MimeInfo *attachment;
 894         gchar buf[1024];
 895
 896         if (!mimeview->opened) return;
 897         if (!mimeview->file) return;
 898
 899         partinfo = gtk_ctree_node_get_row_data
 900                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 901         g_return_if_fail(partinfo != NULL);
 902
 903         dirname = filesel_select_file(_("Save as"), defname);
 904         if (!dirname) return;
 905
 906         /* return to first children */
 907         if (!partinfo->parent->children) return;  /* multipart container? */
 908         attachment = partinfo->parent->children->next;
 909         /* for each attachment, extract it in the selected dir. */
 910         while (attachment != NULL) {
 911                 static guint subst_cnt = 1;
 912                 gchar *attachdir;
 913                 gchar *attachname = g_strdup(get_part_name(attachment));
 914                 AlertValue aval = G_ALERTDEFAULT;
 915                 gchar *res;
 916
 917                 if (!attachname || !strlen(attachname))
 918                         attachname = g_strdup_printf("noname.%d",subst_cnt++);
 919                 subst_chars(attachname, ":?*&|<>\t\r\n", '_');
 920                 g_snprintf(buf, sizeof(buf), "%s%s",
 921                            dirname,
 922                            (attachname[0] == G_DIR_SEPARATOR)
 923                            ? &attachname[1]
 924                            : attachname);
 925                 subst_chars(buf, "/\\", G_DIR_SEPARATOR);
 926                 attachdir = g_dirname(buf);
 927                 make_dir_hier(attachdir);
 928                 g_free(attachdir);
 929
 930                 if (is_file_exist(buf)) {
 931                         res = g_strdup_printf(_("Overwrite existing file '%s'?"),
 932                                               attachname);
 933                         aval = alertpanel(_("Overwrite"), res, _("OK"),
 934                                           _("Cancel"), NULL);
 935                         g_free(res);
 936                 }
 937                 g_free(attachname);
 938
 939                 if ((G_ALERTDEFAULT != aval) || (procmime_get_part(buf, mimeview->file, attachment) < 0))
 940                         alertpanel_error(_("Can't save the part of multipart message."));
 941                 attachment = attachment->next;
 942         }
 943 }
 944
 945 static void mimeview_display_as_text(MimeView *mimeview)
 946 {
 947         MimeInfo *partinfo;
 948
 949         if (!mimeview->opened) return;
 950
 951         partinfo = gtk_ctree_node_get_row_data
 952                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 953         mimeview_show_message_part(mimeview, partinfo);
 954 }
 955
 956 static void mimeview_show_image(MimeView *mimeview)
 957 {
 958         MimeInfo *partinfo;
 959
 960         if (!mimeview->opened) return;
 961
 962         partinfo = gtk_ctree_node_get_row_data
 963                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 964         mimeview_show_image_part(mimeview, partinfo);
 965 }
 966
 967 static void mimeview_save_as(MimeView *mimeview)
 968 {
 969         gchar *filename;
 970         gchar *defname = NULL;
 971         MimeInfo *partinfo;
 972         gchar *res;
 973
 974         if (!mimeview->opened) return;
 975         if (!mimeview->file) return;
 976
 977         partinfo = gtk_ctree_node_get_row_data
 978                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 979         g_return_if_fail(partinfo != NULL);
 980
 981         if (partinfo->filename)
 982                 defname = partinfo->filename;
 983         else if (partinfo->name) {
 984                 Xstrdup_a(defname, partinfo->name, return);
 985                 subst_for_filename(defname);
 986         }
 987
 988         filename = filesel_select_file(_("Save as"), defname);
 989         if (!filename) return;
 990         if (is_file_exist(filename)) {
 991                 AlertValue aval;
 992                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
 993                                       filename);
 994                 aval = alertpanel(_("Overwrite"), res, _("OK"),
 995                                   _("Cancel"), NULL);
 996                 g_free(res);
 997                 if (G_ALERTDEFAULT != aval) return;
 998         }
 999
1000         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
1001                 alertpanel_error
1002                         (_("Can't save the part of multipart message."));
1003 }
1004
1005 static void mimeview_launch(MimeView *mimeview)
1006 {
1007         MimeInfo *partinfo;
1008         gchar *filename;
1009
1010         if (!mimeview->opened) return;
1011         if (!mimeview->file) return;
1012
1013         partinfo = gtk_ctree_node_get_row_data
1014                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
1015         g_return_if_fail(partinfo != NULL);
1016
1017         filename = procmime_get_tmp_file_name(partinfo);
1018
1019         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
1020                 alertpanel_error
1021                         (_("Can't save the part of multipart message."));
1022         else
1023                 mimeview_view_file(filename, partinfo, NULL);
1024
1025         g_free(filename);
1026 }
1027
1028 static void mimeview_open_with(MimeView *mimeview)
1029 {
1030         MimeInfo *partinfo;
1031         gchar *filename;
1032         gchar *cmd;
1033
1034         if (!mimeview->opened) return;
1035         if (!mimeview->file) return;
1036
1037         partinfo = gtk_ctree_node_get_row_data
1038                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
1039         g_return_if_fail(partinfo != NULL);
1040
1041         filename = procmime_get_tmp_file_name(partinfo);
1042
1043         if (procmime_get_part(filename, mimeview->file, partinfo) < 0) {
1044                 alertpanel_error
1045                         (_("Can't save the part of multipart message."));
1046                 g_free(filename);
1047                 return;
1048         }
1049
1050         if (!prefs_common.mime_open_cmd_history)
1051                 prefs_common.mime_open_cmd_history =
1052                         add_history(NULL, prefs_common.mime_open_cmd);
1053
1054         cmd = input_dialog_combo
1055                 (_("Open with"),
1056                  _("Enter the command line to open file:\n"
1057                    "(`%s' will be replaced with file name)"),
1058                  prefs_common.mime_open_cmd,
1059                  prefs_common.mime_open_cmd_history,
1060                  TRUE);
1061         if (cmd) {
1062                 mimeview_view_file(filename, partinfo, cmd);
1063                 g_free(prefs_common.mime_open_cmd);
1064                 prefs_common.mime_open_cmd = cmd;
1065                 prefs_common.mime_open_cmd_history =
1066                         add_history(prefs_common.mime_open_cmd_history, cmd);
1067         }
1068
1069         g_free(filename);
1070 }
1071
1072 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1073                                const gchar *cmdline)
1074 {
1075         static gchar *default_image_cmdline = "display '%s'";
1076         static gchar *default_audio_cmdline = "play '%s'";
1077         static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
1078         static gchar *mime_cmdline = "metamail -d -b -x -c %s '%s'";
1079         gchar buf[1024];
1080         gchar m_buf[1024];
1081         const gchar *cmd;
1082         const gchar *def_cmd;
1083         const gchar *p;
1084
1085         if (cmdline) {
1086                 cmd = cmdline;
1087                 def_cmd = NULL;
1088         } else if (MIME_APPLICATION_OCTET_STREAM == partinfo->mime_type) {
1089                 return;
1090         } else if (MIME_IMAGE == partinfo->mime_type) {
1091                 cmd = prefs_common.mime_image_viewer;
1092                 def_cmd = default_image_cmdline;
1093         } else if (MIME_AUDIO == partinfo->mime_type) {
1094                 cmd = prefs_common.mime_audio_player;
1095                 def_cmd = default_audio_cmdline;
1096         } else if (MIME_TEXT_HTML == partinfo->mime_type) {
1097                 cmd = prefs_common.uri_cmd;
1098                 def_cmd = default_html_cmdline;
1099         } else {
1100                 g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
1101                            partinfo->content_type, "%s");
1102                 cmd = m_buf;
1103                 def_cmd = NULL;
1104         }
1105
1106         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1107             !strchr(p + 2, '%'))
1108                 g_snprintf(buf, sizeof(buf), cmd, filename);
1109         else {
1110                 if (cmd)
1111                         g_warning("MIME viewer command line is invalid: `%s'", cmd);
1112                 if (def_cmd)
1113                         g_snprintf(buf, sizeof(buf), def_cmd, filename);
1114                 else
1115                         return;
1116         }
1117
1118         execute_command_line(buf, TRUE);
1119 }
1120
1121 #if USE_GPGME
1122 static void update_node_name(GtkCTree *ctree, GtkCTreeNode *node,
1123                              gpointer data)
1124 {
1125         MimeInfo *partinfo;
1126         gchar *part_name;
1127
1128         partinfo = gtk_ctree_node_get_row_data(ctree, node);
1129         g_return_if_fail(partinfo != NULL);
1130
1131         part_name = get_part_name(partinfo);
1132         gtk_ctree_node_set_text(ctree, node, COL_NAME, part_name);
1133 }
1134
1135 static void mimeview_update_names(MimeView *mimeview)
1136 {
1137         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
1138
1139         gtk_ctree_pre_recursive(ctree, NULL, update_node_name, NULL);
1140 }
1141
1142 static void mimeview_update_signature_info(MimeView *mimeview)
1143 {
1144         MimeInfo *partinfo;
1145
1146         if (!mimeview) return;
1147         if (!mimeview->opened) return;
1148
1149         partinfo = gtk_ctree_node_get_row_data
1150                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
1151         if (!partinfo) return;
1152
1153         if (g_strcasecmp(partinfo->content_type,
1154                          "application/pgp-signature") == 0) {
1155                 mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1156                 textview_show_signature_part(mimeview->textview, partinfo);
1157         }
1158 }
1159
1160 void mimeview_check_signature(MimeView *mimeview)
1161 {
1162         MimeInfo *mimeinfo;
1163         FILE *fp;
1164
1165         g_return_if_fail (mimeview_is_signed(mimeview));
1166         g_return_if_fail (gpg_started);
1167
1168         mimeinfo = gtk_ctree_node_get_row_data
1169                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
1170         g_return_if_fail(mimeinfo != NULL);
1171         g_return_if_fail(mimeview->file != NULL);
1172
1173         while (mimeinfo->parent)
1174                 mimeinfo = mimeinfo->parent;
1175
1176         if ((fp = fopen(mimeview->file, "rb")) == NULL) {
1177                 FILE_OP_ERROR(mimeview->file, "fopen");
1178                 return;
1179         }
1180
1181         rfc2015_check_signature(mimeinfo, fp);
1182         fclose(fp);
1183
1184         mimeview_update_names(mimeview);
1185         mimeview_update_signature_info(mimeview);
1186
1187         textview_show_message(mimeview->messageview->textview, mimeinfo,
1188                               mimeview->file);
1189 }
1190 #endif /* USE_GPGME */
1191
1192 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1193 {
1194         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1195 }
1196
1197 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1198 {
1199         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1200 }
1201
1202 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1203 {
1204         GSList *mimeview_list, *viewer_list;
1205
1206         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1207                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1208
1209                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1210                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1211                         mimeview->mimeviewer = NULL;
1212                 }
1213
1214                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1215                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1216
1217                         mimeviewer->destroy_viewer(mimeviewer);
1218                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1219                 }
1220         }
1221
1222         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1223 }