src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  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 <glib/gi18n.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtknotebook.h>
  30 #include <gtk/gtkscrolledwindow.h>
  31 #include <gtk/gtkctree.h>
  32 #include <gtk/gtkvbox.h>
  33 #include <gtk/gtkhbox.h>
  34 #include <gtk/gtkvpaned.h>
  35 #include <gtk/gtktext.h>
  36 #include <gtk/gtksignal.h>
  37 #include <gtk/gtkmenu.h>
  38 #include <gtk/gtkdnd.h>
  39 #include <gtk/gtkselection.h>
  40 #include <gtk/gtktooltips.h>
  41 #include <gtk/gtkcontainer.h>
  42 #include <gtk/gtkbutton.h>
  43 #include <stdio.h>
  44 #include <sys/types.h>
  45 #include <sys/stat.h>
  46
  47 #ifndef HAVE_APACHE_FNMATCH
  48 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  49  * fnmatch.h */
  50 #include <fnmatch.h>
  51 #endif
  52
  53 #include "main.h"
  54 #include "mimeview.h"
  55 #include "textview.h"
  56 #include "procmime.h"
  57 #include "summaryview.h"
  58 #include "menu.h"
  59 #include "filesel.h"
  60 #include "alertpanel.h"
  61 #include "inputdialog.h"
  62 #include "utils.h"
  63 #include "gtkutils.h"
  64 #include "prefs_common.h"
  65 #include "procheader.h"
  66 #include "stock_pixmap.h"
  67 #include "gtk/gtkvscrollbutton.h"
  68 #include "gtk/logwindow.h"
  69 #include "timing.h"
  70
  71 #ifdef MAEMO
  72 #include <libosso.h>
  73 #ifndef CHINOOK
  74 #include <osso-mime.h>
  75 #else
  76 #include <hildon-mime.h>
  77 #endif
  78 #endif
  79
  80 typedef enum
  81 {
  82         COL_MIMETYPE = 0,
  83         COL_SIZE     = 1,
  84         COL_NAME     = 2
  85 } MimeViewColumnPos;
  86
  87 #define N_MIMEVIEW_COLS 3
  88
  89 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  90                                                  MimeInfo       *mimeinfo,
  91                                                  GtkCTreeNode   *parent);
  92 static GtkCTreeNode *mimeview_append_part       (MimeView       *mimeview,
  93                                                  MimeInfo       *partinfo,
  94                                                  GtkCTreeNode   *parent);
  95 static void mimeview_show_message_part          (MimeView       *mimeview,
  96                                                  MimeInfo       *partinfo);
  97 static void mimeview_change_view_type           (MimeView       *mimeview,
  98                                                  MimeViewType    type);
  99 static gchar *mimeview_get_filename_for_part            (MimeInfo       *partinfo,
 100                                                  const gchar    *basedir,
 101                                                  gint            number);
 102 static gboolean mimeview_write_part             (const gchar    *filename,
 103                                                  MimeInfo       *partinfo);
 104
 105 static void mimeview_selected           (GtkCTree       *ctree,
 106                                          GtkCTreeNode   *node,
 107                                          gint            column,
 108                                          MimeView       *mimeview);
 109 static void mimeview_start_drag         (GtkWidget      *widget,
 110                                          gint            button,
 111                                          GdkEvent       *event,
 112                                          MimeView       *mimeview);
 113 static gint mimeview_button_pressed     (GtkWidget      *widget,
 114                                          GdkEventButton *event,
 115                                          MimeView       *mimeview);
 116 static gint mimeview_key_pressed        (GtkWidget      *widget,
 117                                          GdkEventKey    *event,
 118                                          MimeView       *mimeview);
 119
 120 static void mimeview_drag_data_get      (GtkWidget        *widget,
 121                                          GdkDragContext   *drag_context,
 122                                          GtkSelectionData *selection_data,
 123                                          guint             info,
 124                                          guint             time,
 125                                          MimeView         *mimeview);
 126
 127 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 128                                          GdkEventScroll *event,
 129                                          MimeView       *mimeview);
 130 static void mimeview_display_as_text    (MimeView       *mimeview);
 131 static void mimeview_save_as            (MimeView       *mimeview);
 132 static void mimeview_save_all           (MimeView       *mimeview);
 133 static void mimeview_launch             (MimeView       *mimeview,
 134                                          MimeInfo       *partinfo);
 135 static void mimeview_open_with          (MimeView       *mimeview);
 136 static void mimeview_open_part_with     (MimeView       *mimeview,
 137                                          MimeInfo       *partinfo,
 138                                          gboolean        automatic);
 139 static void mimeview_select_next_part   (MimeView       *mimeview);
 140 static void mimeview_select_prev_part   (MimeView       *mimeview);
 141 static void mimeview_view_file          (const gchar    *filename,
 142                                          MimeInfo       *partinfo,
 143                                          const gchar    *cmd,
 144                                          MimeView       *mimeview);
 145 static gboolean icon_clicked_cb         (GtkWidget      *button,
 146                                          GdkEventButton *event,
 147                                          MimeView       *mimeview);
 148 static void icon_selected               (MimeView       *mimeview,
 149                                          gint            num,
 150                                          MimeInfo       *partinfo);
 151 static gint icon_key_pressed            (GtkWidget      *button,
 152                                          GdkEventKey    *event,
 153                                          MimeView       *mimeview);
 154 static void icon_list_append_icon       (MimeView       *mimeview,
 155                                          MimeInfo       *mimeinfo);
 156 static void icon_list_create            (MimeView       *mimeview,
 157                                          MimeInfo       *mimeinfo);
 158 static void icon_list_clear             (MimeView       *mimeview);
 159 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 160                                            MimeInfo     *mimeinfo);
 161 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 162                                     MimeView *mimeview);
 163 static gboolean part_button_pressed     (MimeView       *mimeview,
 164                                          GdkEventButton *event,
 165                                          MimeInfo       *partinfo);
 166 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 167                                          GtkAllocation  *layout_size,
 168                                          MimeView       *mimeview);
 169 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 170
 171 static void mimeview_launch_cb(MimeView *mimeview)
 172 {
 173         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 174 }
 175 static GtkItemFactoryEntry mimeview_popup_entries[] =
 176 {
 177         {N_("/_Open (l)"),                NULL, mimeview_launch_cb,       0, NULL},
 178 #ifndef MAEMO
 179         {N_("/Open _with (o)..."),        NULL, mimeview_open_with,       0, NULL},
 180 #endif
 181         {N_("/_Display as text (t)"),     NULL, mimeview_display_as_text, 0, NULL},
 182         {N_("/_Save as (y)..."),          NULL, mimeview_save_as,         0, NULL},
 183         {N_("/Save _all..."),             NULL, mimeview_save_all,        0, NULL},
 184         {N_("/Next part (a)"),            NULL, mimeview_select_next_part,0, NULL},
 185 };
 186
 187 static GtkTargetEntry mimeview_mime_types[] =
 188 {
 189         {"text/uri-list", 0, 0}
 190 };
 191
 192 GSList *mimeviewer_factories;
 193 GSList *mimeviews;
 194
 195 static GdkCursor *hand_cursor = NULL;
 196
 197 static gboolean mimeview_visi_notify(GtkWidget *widget,
 198                                        GdkEventVisibility *event,
 199                                        MimeView *mimeview)
 200 {
 201         gdk_window_set_cursor(widget->window, hand_cursor);
 202         return FALSE;
 203 }
 204
 205 static gboolean mimeview_leave_notify(GtkWidget *widget,
 206                                       GdkEventCrossing *event,
 207                                       MimeView *mimeview)
 208 {
 209         gdk_window_set_cursor(widget->window, NULL);
 210         return FALSE;
 211 }
 212
 213 static gboolean mimeview_enter_notify(GtkWidget *widget,
 214                                       GdkEventCrossing *event,
 215                                       MimeView *mimeview)
 216 {
 217         gdk_window_set_cursor(widget->window, hand_cursor);
 218         return FALSE;
 219 }
 220
 221 MimeView *mimeview_create(MainWindow *mainwin)
 222 {
 223         MimeView *mimeview;
 224
 225         GtkWidget *paned;
 226         GtkWidget *scrolledwin;
 227         GtkWidget *ctree;
 228         GtkWidget *mime_notebook;
 229         GtkWidget *popupmenu;
 230         GtkWidget *ctree_mainbox;
 231         GtkWidget *vbox;
 232         GtkWidget *mime_toggle;
 233         GtkWidget *icon_mainbox;
 234         GtkWidget *icon_scroll;
 235         GtkWidget *icon_vbox;
 236         GtkWidget *arrow;
 237         GtkWidget *scrollbutton;
 238         GtkWidget *hbox;
 239         GtkTooltips *tooltips;
 240         GtkItemFactory *popupfactory;
 241         NoticeView *siginfoview;
 242         gchar *titles[N_MIMEVIEW_COLS];
 243         gint n_entries;
 244         gint i;
 245
 246         if (!hand_cursor)
 247                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 248
 249         debug_print("Creating MIME view...\n");
 250         mimeview = g_new0(MimeView, 1);
 251
 252         titles[COL_MIMETYPE] = _("MIME Type");
 253         titles[COL_SIZE]     = _("Size");
 254         titles[COL_NAME]     = _("Name");
 255
 256         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 257         gtk_widget_show(scrolledwin);
 258         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 259                                        GTK_POLICY_AUTOMATIC,
 260                                        GTK_POLICY_AUTOMATIC);
 261
 262         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 263         gtk_widget_show(ctree);
 264         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 265         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 266         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
 267                                            GTK_JUSTIFY_RIGHT);
 268         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
 269         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
 270         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 271                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 272                                        GTK_CAN_FOCUS);
 273         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 274
 275         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 276                          G_CALLBACK(mimeview_selected), mimeview);
 277         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 278                          G_CALLBACK(mimeview_button_pressed), mimeview);
 279         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 280                          G_CALLBACK(mimeview_key_pressed), mimeview);
 281         g_signal_connect(G_OBJECT (ctree),"start_drag",
 282                          G_CALLBACK (mimeview_start_drag), mimeview);
 283         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 284                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 285
 286         mime_notebook = gtk_notebook_new();
 287         gtk_widget_show(mime_notebook);
 288         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
 289         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 290         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 291
 292         icon_vbox = gtk_vbox_new(FALSE, 2);
 293         gtk_widget_show(icon_vbox);
 294         icon_scroll = gtk_layout_new(NULL, NULL);
 295         gtk_widget_show(icon_scroll);
 296         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 297         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 298         gtk_widget_show(scrollbutton);
 299
 300         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 301                          G_CALLBACK(mimeview_scrolled), mimeview);
 302
 303         mime_toggle = gtk_event_box_new();
 304         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 305
 306         g_signal_connect(G_OBJECT(mime_toggle), "visibility-notify-event",
 307                          G_CALLBACK(mimeview_visi_notify), mimeview);
 308         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 309                          G_CALLBACK(mimeview_visi_notify), mimeview);
 310         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 311                          G_CALLBACK(mimeview_leave_notify), mimeview);
 312         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 313                          G_CALLBACK(mimeview_enter_notify), mimeview);
 314
 315         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 316         gtk_widget_show(mime_toggle);
 317         mimeview->ctree_mode = FALSE;
 318         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 319         gtk_widget_show(arrow);
 320         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 321         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 322                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 323
 324         icon_mainbox = gtk_vbox_new(FALSE, 0);
 325         gtk_widget_show(icon_mainbox);
 326         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 327         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 328         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 329         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 330         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 331                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 332
 333         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 334         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 335
 336         n_entries = sizeof(mimeview_popup_entries) /
 337                 sizeof(mimeview_popup_entries[0]);
 338         popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
 339                                       "<MimeView>", &popupfactory, mimeview);
 340         tooltips = gtk_tooltips_new();
 341
 342         vbox = gtk_vbox_new(FALSE, 0);
 343         gtk_widget_show(vbox);
 344         siginfoview = noticeview_create(mainwin);
 345         noticeview_hide(siginfoview);
 346         noticeview_set_icon_clickable(siginfoview, TRUE);
 347         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 348         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 349
 350         paned = gtk_vpaned_new();
 351         gtk_widget_show(paned);
 352         gtk_paned_set_gutter_size(GTK_PANED(paned), 0);
 353         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 354         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 355
 356         hbox = gtk_hbox_new(FALSE, 0);
 357         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 358         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 359
 360         gtk_widget_show(hbox);
 361         gtk_widget_hide(ctree_mainbox);
 362 #ifdef MAEMO
 363         gtk_widget_set_size_request(mime_toggle, -1, arrow->requisition.height + 8);
 364 #endif
 365         mimeview->hbox          = hbox;
 366         mimeview->paned         = paned;
 367         mimeview->scrolledwin   = scrolledwin;
 368         mimeview->ctree         = ctree;
 369         mimeview->mime_notebook = mime_notebook;
 370         mimeview->popupmenu     = popupmenu;
 371         mimeview->popupfactory  = popupfactory;
 372         mimeview->type          = -1;
 373         mimeview->ctree_mainbox = ctree_mainbox;
 374         mimeview->icon_scroll   = icon_scroll;
 375         mimeview->icon_vbox     = icon_vbox;
 376         mimeview->icon_mainbox  = icon_mainbox;
 377         mimeview->icon_count    = 0;
 378         mimeview->mainwin       = mainwin;
 379         mimeview->tooltips      = tooltips;
 380         mimeview->oldsize       = 60;
 381         mimeview->mime_toggle   = mime_toggle;
 382         mimeview->siginfoview   = siginfoview;
 383         mimeview->scrollbutton  = scrollbutton;
 384         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 385
 386         mimeviews = g_slist_prepend(mimeviews, mimeview);
 387
 388         return mimeview;
 389 }
 390
 391 void mimeview_init(MimeView *mimeview)
 392 {
 393         textview_init(mimeview->textview);
 394
 395         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 396                 GTK_WIDGET_PTR(mimeview->textview));
 397 }
 398
 399 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 400 {
 401         while (mimeinfo) {
 402                 if (privacy_mimeinfo_is_signed(mimeinfo))
 403                         return TRUE;
 404                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 405         }
 406
 407         return FALSE;
 408 }
 409
 410 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 411                            const gchar *file)
 412 {
 413         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 414         GtkCTreeNode *node;
 415
 416         mimeview_clear(mimeview);
 417
 418         g_return_if_fail(file != NULL);
 419         g_return_if_fail(mimeinfo != NULL);
 420
 421         mimeview->mimeinfo = mimeinfo;
 422
 423         mimeview->file = g_strdup(file);
 424
 425         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 426                                         mimeview);
 427
 428         /* check if the mail's signed - it can change the mail structure */
 429
 430         if (any_part_is_signed(mimeinfo))
 431                 debug_print("signed mail\n");
 432
 433         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 434         icon_list_clear(mimeview);
 435         icon_list_create(mimeview, mimeinfo);
 436
 437         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 438                                           mimeview_selected, mimeview);
 439
 440         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 441         if (node) {
 442                 gtk_ctree_select(ctree, node);
 443                 icon_list_toggle_by_mime_info
 444                         (mimeview, gtk_ctree_node_get_row_data(ctree, node));
 445                 gtkut_ctree_set_focus_row(ctree, node);
 446         }
 447 }
 448
 449 #ifdef USE_PTHREAD
 450 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 451 #endif
 452
 453 static void mimeview_free_mimeinfo(MimeView *mimeview)
 454 {
 455         gboolean defer = FALSE;
 456 #ifdef USE_PTHREAD
 457         defer = (mimeview->check_data != NULL);
 458         if (defer)
 459                 mimeview->check_data->free_after_use = TRUE;
 460 #endif
 461         if (mimeview->mimeinfo != NULL && !defer) {
 462                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 463                 mimeview->mimeinfo = NULL;
 464         } else if (defer) {
 465 #ifdef USE_PTHREAD
 466                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 467                 mimeview_check_sig_cancel_now(mimeview);
 468 #endif
 469         }
 470 }
 471
 472 void mimeview_destroy(MimeView *mimeview)
 473 {
 474         GSList *cur;
 475
 476         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 477                 MimeViewer *viewer = (MimeViewer *) cur->data;
 478                 viewer->destroy_viewer(viewer);
 479         }
 480         g_slist_free(mimeview->viewers);
 481         gtk_target_list_unref(mimeview->target_list);
 482
 483         mimeview_free_mimeinfo(mimeview);
 484 #ifdef USE_PTHREAD
 485         if (mimeview->check_data) {
 486                 mimeview->check_data->destroy_mimeview = TRUE;
 487                 debug_print("deferring destroy\n");
 488         } else
 489 #endif
 490         {
 491                 g_free(mimeview->file);
 492                 g_free(mimeview);
 493                 mimeviews = g_slist_remove(mimeviews, mimeview);
 494         }
 495
 496 }
 497
 498 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 499 {
 500         return gtk_ctree_node_get_row_data
 501                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 502 }
 503
 504 gint mimeview_get_selected_part_num(MimeView *mimeview)
 505 {
 506         gint i = 0;
 507         GList *rows = GTK_CLIST(mimeview->ctree)->row_list;
 508         while (rows) {
 509                 if (mimeview->opened == GTK_CTREE_NODE(rows))
 510                         return i;
 511                 i++;
 512                 rows = rows->next;
 513         }
 514         return -1;
 515 }
 516
 517 void mimeview_select_part_num(MimeView *mimeview, gint i)
 518 {
 519         if (i < 0)
 520                 return;
 521         gtk_clist_unselect_all(GTK_CLIST(mimeview->ctree));
 522         gtk_clist_select_row(GTK_CLIST(mimeview->ctree), i, -1);
 523         gtkut_clist_set_focus_row(GTK_CLIST(mimeview->ctree), i);
 524 }
 525
 526 static void mimeview_set_multipart_tree(MimeView *mimeview,
 527                                         MimeInfo *mimeinfo,
 528                                         GtkCTreeNode *parent)
 529 {
 530         GtkCTreeNode *node;
 531
 532         g_return_if_fail(mimeinfo != NULL);
 533
 534         while (mimeinfo != NULL) {
 535                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 536
 537                 if (mimeinfo->node->children)
 538                         mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
 539                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
 540         }
 541 }
 542
 543 static const gchar *get_real_part_name(MimeInfo *partinfo)
 544 {
 545         const gchar *name = NULL;
 546
 547         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 548         if (name == NULL)
 549                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 550
 551         return name;
 552 }
 553
 554 static const gchar *get_part_name(MimeInfo *partinfo)
 555 {
 556         const gchar *name;
 557
 558         name = get_real_part_name(partinfo);
 559         if (name == NULL)
 560                 name = "";
 561
 562         return name;
 563 }
 564
 565 static const gchar *get_part_description(MimeInfo *partinfo)
 566 {
 567         if (partinfo->description)
 568                 return partinfo->description;
 569         else
 570                 return get_part_name(partinfo);
 571 }
 572
 573 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 574                                           MimeInfo *partinfo,
 575                                           GtkCTreeNode *parent)
 576 {
 577         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 578         GtkCTreeNode *node;
 579         static gchar content_type[64];
 580         gchar *str[N_MIMEVIEW_COLS];
 581
 582         if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
 583                 g_snprintf(content_type, 64, "%s/%s", procmime_get_media_type_str(partinfo->type), partinfo->subtype);
 584         } else {
 585                 g_snprintf(content_type, 64, "UNKNOWN");
 586         }
 587
 588         str[COL_MIMETYPE] = content_type;
 589         str[COL_SIZE] = to_human_readable(partinfo->length);
 590         if (prefs_common.attach_desc)
 591                 str[COL_NAME] = (gchar *) get_part_description(partinfo);
 592         else
 593                 str[COL_NAME] = (gchar *) get_part_name(partinfo);
 594
 595         node = gtk_sctree_insert_node(ctree, parent, NULL, str, 0,
 596                                      NULL, NULL, NULL, NULL,
 597                                      FALSE, TRUE);
 598         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 599
 600         return node;
 601 }
 602
 603 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 604 {
 605         FILE *fp;
 606         const gchar *fname;
 607
 608         if (!partinfo) return;
 609
 610         fname = mimeview->file;
 611         if (!fname) return;
 612
 613         if ((fp = g_fopen(fname, "rb")) == NULL) {
 614                 FILE_OP_ERROR(fname, "fopen");
 615                 return;
 616         }
 617
 618         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 619                 FILE_OP_ERROR(mimeview->file, "fseek");
 620                 fclose(fp);
 621                 return;
 622         }
 623
 624         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 625         textview_show_part(mimeview->textview, partinfo, fp);
 626
 627         fclose(fp);
 628 }
 629
 630 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 631 {
 632         GSList *cur;
 633         MimeViewerFactory *factory = NULL;
 634         MimeViewer *viewer = NULL;
 635
 636 /*
 637  * FNM_CASEFOLD is a GNU extension
 638  * if its not defined copy the string to the stack and
 639  * convert the copy to lower case
 640  */
 641 #ifndef FNM_CASEFOLD
 642 #define FNM_CASEFOLD 0
 643         Xstrdup_a(content_type, content_type, return NULL);
 644         g_strdown((gchar *)content_type);
 645 #endif
 646
 647         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 648                 MimeViewerFactory *curfactory = cur->data;
 649                 gint i = 0;
 650
 651                 while (curfactory->content_types[i] != NULL) {
 652                         if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
 653                                 debug_print("%s\n", curfactory->content_types[i]);
 654                                 factory = curfactory;
 655                                 break;
 656                         }
 657                         i++;
 658                 }
 659                 if (factory != NULL)
 660                         break;
 661         }
 662         if (factory == NULL)
 663                 return NULL;
 664
 665         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 666                 MimeViewer *curviewer = cur->data;
 667
 668                 if (curviewer->factory == factory)
 669                         return curviewer;
 670         }
 671         viewer = factory->create_viewer();
 672         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 673                 GTK_WIDGET(viewer->get_widget(viewer)));
 674
 675         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 676
 677         return viewer;
 678 }
 679
 680 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 681 {
 682         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 683 }
 684
 685 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 686 {
 687         gchar *content_type = NULL;
 688         MimeViewer *viewer = NULL;
 689
 690         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 691             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 692                 const gchar *filename;
 693
 694                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 695                 if (filename == NULL)
 696                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 697                 if (filename != NULL)
 698                         content_type = procmime_get_mime_type(filename);
 699         } else {
 700                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 701         }
 702
 703         if (content_type != NULL) {
 704                 viewer = get_viewer_for_content_type(mimeview, content_type);
 705                 g_free(content_type);
 706         }
 707
 708         return viewer;
 709 }
 710
 711 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 712 {
 713         MimeViewer *viewer;
 714
 715         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 716         if (viewer == NULL) {
 717                 if (mimeview->mimeviewer != NULL)
 718                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 719                 mimeview->mimeviewer = NULL;
 720                 return FALSE;
 721         }
 722
 723         if (mimeview->mimeviewer != NULL)
 724                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 725
 726         if (mimeview->mimeviewer != viewer) {
 727                 mimeview->mimeviewer = viewer;
 728                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 729         }
 730         viewer->mimeview = mimeview;
 731         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 732
 733         return TRUE;
 734 }
 735
 736 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 737 {
 738         TextView  *textview  = mimeview->textview;
 739         GtkWidget *focused = NULL;
 740
 741         if (mainwindow_get_mainwindow())
 742                 focused = gtkut_get_focused_child(
 743                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 744
 745         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 746             (mimeview->type == type)) return;
 747
 748         switch (type) {
 749         case MIMEVIEW_TEXT:
 750                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 751                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 752                         GTK_WIDGET_PTR(textview)));
 753                 break;
 754         case MIMEVIEW_VIEWER:
 755                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 756                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 757                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 758                 break;
 759         default:
 760                 return;
 761         }
 762         if (focused)
 763                 gtk_widget_grab_focus(focused);
 764         mimeview->type = type;
 765 }
 766
 767 void mimeview_clear(MimeView *mimeview)
 768 {
 769         GtkCList *clist = NULL;
 770
 771         if (!mimeview)
 772                 return;
 773
 774         if (g_slist_find(mimeviews, mimeview) == NULL)
 775                 return;
 776
 777         clist = GTK_CLIST(mimeview->ctree);
 778
 779         noticeview_hide(mimeview->siginfoview);
 780
 781         gtk_clist_clear(clist);
 782         textview_clear(mimeview->textview);
 783         if (mimeview->mimeviewer != NULL)
 784                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 785
 786         mimeview_free_mimeinfo(mimeview);
 787
 788         mimeview->mimeinfo = NULL;
 789
 790         mimeview->opened = NULL;
 791
 792         g_free(mimeview->file);
 793         mimeview->file = NULL;
 794
 795         icon_list_clear(mimeview);
 796         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 797 }
 798
 799 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 800 static void mimeview_check_signature(MimeView *mimeview);
 801 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 802
 803 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
 804                                         gboolean special, SignatureStatus code)
 805 {
 806         gchar *text = NULL, *button_text = NULL;
 807         void  *func = NULL;
 808         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 809         SignatureStatus mycode = SIGNATURE_UNCHECKED;
 810
 811         g_return_if_fail(mimeview != NULL);
 812         g_return_if_fail(mimeinfo != NULL);
 813
 814         if (special)
 815                 mycode = code;
 816         else
 817                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
 818
 819         switch (mycode) {
 820         case SIGNATURE_UNCHECKED:
 821                 button_text = _("Check signature");
 822                 func = check_signature_cb;
 823                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 824                 break;
 825         case SIGNATURE_OK:
 826                 button_text = _("View full information");
 827                 func = display_full_info_cb;
 828                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 829                 break;
 830         case SIGNATURE_WARN:
 831                 button_text = _("View full information");
 832                 func = display_full_info_cb;
 833                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 834                 break;
 835         case SIGNATURE_INVALID:
 836                 button_text = _("View full information");
 837                 func = display_full_info_cb;
 838                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 839                 break;
 840         case SIGNATURE_CHECK_FAILED:
 841                 button_text = _("Check again");
 842                 func = check_signature_cb;
 843                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 844         case SIGNATURE_CHECK_TIMEOUT:
 845                 button_text = _("Check again");
 846                 func = check_signature_cb;
 847                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 848         default:
 849                 break;
 850         }
 851         if (mycode == SIGNATURE_UNCHECKED) {
 852                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
 853                 text = g_strdup_printf("%s %s",
 854                         tmp, _("Click the icon or hit 'C' to check it."));
 855                 g_free(tmp);
 856         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
 857                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
 858         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
 859                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
 860         }
 861
 862         noticeview_set_text(mimeview->siginfoview, text);
 863         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
 864
 865         g_free(text);
 866         noticeview_set_button_text(mimeview->siginfoview, NULL);
 867         noticeview_set_button_press_callback(
 868                 mimeview->siginfoview,
 869                 G_CALLBACK(func),
 870                 (gpointer) mimeview);
 871         noticeview_set_icon(mimeview->siginfoview, icon);
 872         noticeview_set_tooltip(mimeview->siginfoview, button_text);
 873 }
 874
 875 #ifdef USE_PTHREAD
 876
 877 /* reset all thread stuff, and do the cleanups we've been left to do */
 878 static void mimeview_check_data_reset(MimeView *mimeview)
 879 {
 880         if (!mimeview->check_data)
 881                 return;
 882
 883         if (mimeview->check_data->free_after_use) {
 884                 debug_print("freeing deferred mimeinfo\n");
 885                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
 886         }
 887         if (mimeview->check_data->destroy_mimeview) {
 888                 debug_print("freeing deferred mimeview\n");
 889                 g_free(mimeview->file);
 890                 g_free(mimeview);
 891                 mimeviews = g_slist_remove(mimeviews, mimeview);
 892         }
 893
 894         g_free(mimeview->check_data);
 895         mimeview->check_data = NULL;
 896 }
 897
 898 /* GUI update once the checker thread is done or killed */
 899 static gboolean mimeview_check_sig_thread_cb(void *data)
 900 {
 901         MimeView *mimeview = (MimeView *) data;
 902         MimeInfo *mimeinfo = mimeview->siginfo;
 903
 904         debug_print("mimeview_check_sig_thread_cb\n");
 905
 906         if (mimeinfo == NULL) {
 907                 /* message changed !? */
 908                 g_warning("no more siginfo!\n");
 909                 goto end;
 910         }
 911
 912         if (!mimeview->check_data) {
 913                 g_warning("nothing to check\n");
 914                 return FALSE;
 915         }
 916
 917         if (mimeview->check_data->siginfo != mimeinfo) {
 918                 /* message changed !? */
 919                 g_warning("different siginfo!\n");
 920                 goto end;
 921         }
 922
 923         if (mimeview->check_data->destroy_mimeview ||
 924             mimeview->check_data->free_after_use) {
 925                 debug_print("not bothering, we're changing message\n");
 926                 goto end;
 927         }
 928
 929         /* update status */
 930         if (mimeview->check_data->timeout)
 931                 update_signature_noticeview(mimeview, mimeview->siginfo,
 932                         TRUE, SIGNATURE_CHECK_TIMEOUT);
 933         else
 934                 update_signature_noticeview(mimeview, mimeview->siginfo,
 935                         FALSE, 0);
 936         icon_list_clear(mimeview);
 937         icon_list_create(mimeview, mimeview->mimeinfo);
 938
 939 end:
 940         mimeview_check_data_reset(mimeview);
 941         return FALSE;
 942 }
 943
 944 /* sig checker thread */
 945 static void *mimeview_check_sig_worker_thread(void *data)
 946 {
 947         MimeView *mimeview = (MimeView *)data;
 948         MimeInfo *mimeinfo = mimeview->siginfo;
 949
 950         debug_print("checking...\n");
 951
 952         if (!mimeview->check_data)
 953                 return NULL;
 954
 955         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo)
 956                 privacy_mimeinfo_check_signature(mimeinfo);
 957         else {
 958                 /* that's strange! we changed message without
 959                  * getting killed. */
 960                 g_warning("different siginfo!\n");
 961                 mimeview_check_data_reset(mimeview);
 962                 return NULL;
 963         }
 964
 965         /* use g_timeout so that GUI updates is done from the
 966          * correct thread */
 967         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
 968
 969         return NULL;
 970 }
 971
 972 /* killer thread - acts when the checker didn't work fast
 973  * enough. */
 974 static void *mimeview_check_sig_cancel_thread(void *data)
 975 {
 976         MimeView *mimeview = (MimeView *)data;
 977
 978         if (!mimeview->check_data)
 979                 return NULL; /* nothing to kill ! */
 980
 981         /* wait for a few seconds... */
 982         debug_print("waiting a while\n");
 983
 984         sleep(5);
 985
 986         if (!mimeview->check_data)
 987                 return NULL; /* nothing to kill, it's done in time :) */
 988
 989         /* too late, go away checker thread */
 990         debug_print("killing checker thread\n");
 991         pthread_cancel(mimeview->check_data->th);
 992
 993         /* tell upstream it was a timeout */
 994         mimeview->check_data->timeout = TRUE;
 995         /* use g_timeout so that GUI updates is done from the
 996          * correct thread */
 997         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
 998
 999         return NULL;
1000 }
1001
1002 /* get rid of the checker thread right now - used when changing the
1003  * displayed message for example. */
1004 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1005 {
1006         if (!mimeview->check_data)
1007                 return;
1008         debug_print("killing checker thread NOW\n");
1009         pthread_cancel(mimeview->check_data->th);
1010
1011         /* tell upstream it was a timeout */
1012         mimeview->check_data->timeout = TRUE;
1013         mimeview_check_sig_thread_cb(mimeview);
1014         return;
1015 }
1016
1017 /* creates a thread to check the signature, and a second one
1018  * to kill the first one after a timeout */
1019 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1020 {
1021         pthread_t th, th2;
1022         pthread_attr_t detach, detach2;
1023
1024         if (mimeview->check_data) {
1025                 g_warning("already checking it");
1026                 return;
1027         }
1028
1029         mimeview->check_data = g_new0(SigCheckData, 1);
1030         mimeview->check_data->siginfo = mimeview->siginfo;
1031         debug_print("creating thread\n");
1032
1033         /* init thread attributes and create the checker thread */
1034         if (pthread_attr_init(&detach) != 0 ||
1035             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1036             pthread_attr_init(&detach2) != 0 ||
1037             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1038             pthread_create(&th, &detach,
1039                         mimeview_check_sig_worker_thread,
1040                         mimeview) != 0) {
1041                 /* arh. We'll do it synchronously. */
1042                 g_warning("can't create thread");
1043                 g_free(mimeview->check_data);
1044                 mimeview->check_data = NULL;
1045                 return;
1046         } else
1047                 mimeview->check_data->th = th;
1048
1049         /* create the killer thread */
1050         pthread_create(&th2, &detach2,
1051                         mimeview_check_sig_cancel_thread,
1052                         mimeview);
1053 }
1054 #endif
1055
1056 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1057 {
1058         MimeView *mimeview = (MimeView *) user_data;
1059         MimeInfo *mimeinfo = mimeview->siginfo;
1060
1061         if (mimeinfo == NULL)
1062                 return;
1063 #ifdef USE_PTHREAD
1064         if (mimeview->check_data)
1065                 return;
1066 #endif
1067         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1068         GTK_EVENTS_FLUSH();
1069 #ifdef USE_PTHREAD
1070         /* let's do it non-blocking */
1071         mimeview_check_sig_in_thread(mimeview);
1072         if (!mimeview->check_data) /* let's check syncronously */
1073 #endif
1074         {
1075                 debug_print("checking without thread\n");
1076                 privacy_mimeinfo_check_signature(mimeinfo);
1077                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1078                 icon_list_clear(mimeview);
1079                 icon_list_create(mimeview, mimeview->mimeinfo);
1080         }
1081 }
1082
1083 static void mimeview_check_signature(MimeView *mimeview)
1084 {
1085         check_signature_cb(NULL, mimeview);
1086 }
1087
1088 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1089 {
1090         MimeView *mimeview = (MimeView *) user_data;
1091         GtkCTreeNode *node = mimeview->opened;
1092         mimeview->opened = NULL;
1093         mimeview_selected(GTK_CTREE(mimeview->ctree), node, 0, mimeview);
1094 }
1095
1096 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1097 {
1098         MimeView *mimeview = (MimeView *) user_data;
1099         gchar *siginfo;
1100
1101         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1102         textview_set_text(mimeview->textview, siginfo);
1103         g_free(siginfo);
1104         noticeview_set_button_text(mimeview->siginfoview, NULL);
1105         noticeview_set_button_press_callback(
1106                 mimeview->siginfoview,
1107                 G_CALLBACK(redisplay_email),
1108                 (gpointer) mimeview);
1109         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1110 }
1111
1112 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1113 {
1114         MimeInfo *siginfo;
1115         MimeInfo *first_text;
1116
1117         g_return_if_fail(mimeview != NULL);
1118         g_return_if_fail(selected != NULL);
1119
1120         if (selected->type == MIMETYPE_MESSAGE
1121         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1122                 /* if the first text part is signed, check that */
1123                 first_text = selected;
1124                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1125                         first_text = procmime_mimeinfo_next(first_text);
1126                 }
1127                 if (first_text) {
1128                         update_signature_info(mimeview, first_text);
1129                         return;
1130                 }
1131         }
1132
1133         siginfo = selected;
1134         while (siginfo != NULL) {
1135                 if (privacy_mimeinfo_is_signed(siginfo))
1136                         break;
1137                 siginfo = procmime_mimeinfo_parent(siginfo);
1138         }
1139         mimeview->siginfo = siginfo;
1140
1141         if (siginfo == NULL) {
1142                 noticeview_hide(mimeview->siginfoview);
1143                 return;
1144         }
1145
1146         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1147         noticeview_show(mimeview->siginfoview);
1148 }
1149
1150 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
1151                               MimeView *mimeview)
1152 {
1153         MimeInfo *partinfo;
1154         if (mimeview->opened == node) return;
1155         mimeview->opened = node;
1156         mimeview->spec_part = NULL;
1157         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
1158
1159         partinfo = gtk_ctree_node_get_row_data(ctree, node);
1160         if (!partinfo) return;
1161
1162         /* ungrab the mouse event */
1163         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1164                 gtk_grab_remove(GTK_WIDGET(ctree));
1165                 if (gdk_pointer_is_grabbed())
1166                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1167         }
1168
1169         mimeview->textview->default_text = FALSE;
1170
1171         update_signature_info(mimeview, partinfo);
1172
1173         if (!mimeview_show_part(mimeview, partinfo)) {
1174                 switch (partinfo->type) {
1175                 case MIMETYPE_TEXT:
1176                 case MIMETYPE_MESSAGE:
1177                 case MIMETYPE_MULTIPART:
1178                         mimeview_show_message_part(mimeview, partinfo);
1179
1180                         break;
1181                 default:
1182                         mimeview->textview->default_text = TRUE;
1183                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1184                         textview_clear(mimeview->textview);
1185                         textview_show_mime_part(mimeview->textview, partinfo);
1186                         break;
1187                 }
1188         }
1189 }
1190
1191 static void mimeview_start_drag(GtkWidget *widget, gint button,
1192                                 GdkEvent *event, MimeView *mimeview)
1193 {
1194         GdkDragContext *context;
1195         MimeInfo *partinfo;
1196
1197         g_return_if_fail(mimeview != NULL);
1198
1199         partinfo = mimeview_get_selected_part(mimeview);
1200         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
1201
1202         context = gtk_drag_begin(widget, mimeview->target_list,
1203                                  GDK_ACTION_COPY, button, event);
1204         gtk_drag_set_icon_default(context);
1205 }
1206
1207 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1208                                     MimeView *mimeview)
1209 {
1210         GtkCList *clist = GTK_CLIST(widget);
1211         gint row, column;
1212
1213         if (!event) return FALSE;
1214
1215         if (event->button == 2 || event->button == 3) {
1216                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1217                                                   &row, &column))
1218                         return FALSE;
1219                 gtk_clist_unselect_all(clist);
1220                 gtk_clist_select_row(clist, row, column);
1221                 gtkut_clist_set_focus_row(clist, row);
1222         }
1223         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1224
1225         return FALSE;
1226 }
1227
1228 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1229                                     MimeView *mimeview)
1230 {
1231         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1232         if (event->direction == GDK_SCROLL_UP) {
1233                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1234         } else {
1235                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1236         }
1237         gtk_vscrollbutton_scroll(scrollbutton);
1238         return TRUE;
1239 }
1240
1241 /* from gdkevents.c */
1242 #define DOUBLE_CLICK_TIME 250
1243
1244 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1245                                     MimeInfo *partinfo)
1246 {
1247         static MimeInfo *lastinfo;
1248         static guint32 lasttime;
1249
1250         if (event->button == 2 ||
1251             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1252                 /* call external program for image, audio or html */
1253                 mimeview_launch(mimeview, partinfo);
1254                 return TRUE;
1255         } else if (event->button == 3) {
1256                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1257                                  partinfo->type == MIMETYPE_IMAGE ||
1258                                  partinfo->type == MIMETYPE_MULTIPART))
1259                         menu_set_sensitive(mimeview->popupfactory,
1260                                            "/Display as text (t)", FALSE);
1261                 else
1262                         menu_set_sensitive(mimeview->popupfactory,
1263                                            "/Display as text (t)", TRUE);
1264                 if (partinfo &&
1265                     partinfo->type == MIMETYPE_APPLICATION &&
1266                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1267                         menu_set_sensitive(mimeview->popupfactory,
1268                                            "/Open (l)", FALSE);
1269                 else
1270                         menu_set_sensitive(mimeview->popupfactory,
1271                                            "/Open (l)", TRUE);
1272
1273                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1274                                   "pop_partinfo", partinfo);
1275
1276                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1277                                NULL, NULL, NULL, NULL,
1278                                event->button, event->time);
1279                 return TRUE;
1280         }
1281
1282         lastinfo = partinfo;
1283         lasttime = event->time;
1284         return FALSE;
1285 }
1286
1287
1288 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1289 {
1290         mimeview_key_pressed(mimeview->ctree, event, mimeview);
1291 }
1292
1293 static void mimeview_select_next_part(MimeView *mimeview)
1294 {
1295         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
1296         GtkCTreeNode *node = mimeview->opened;
1297         MimeInfo *partinfo = NULL;
1298
1299 skip:
1300         node = GTK_CTREE_NODE_NEXT(node);
1301         if (!node)
1302                 node = gtk_ctree_node_nth(GTK_CTREE(ctree), 0);
1303
1304         if (node) {
1305                 partinfo = gtk_ctree_node_get_row_data(ctree, node);
1306                 if (partinfo->type == MIMETYPE_MULTIPART)
1307                         goto skip;
1308                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1309                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1310                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1311         }
1312 }
1313
1314 static void mimeview_select_prev_part(MimeView *mimeview)
1315 {
1316         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
1317         GtkCTreeNode *node = mimeview->opened;
1318         MimeInfo *partinfo = NULL;
1319
1320 skip:
1321         node = GTK_CTREE_NODE_PREV(node);
1322         if (!node)
1323                 node = gtk_ctree_node_nth(GTK_CTREE(ctree), GTK_CLIST(ctree)->rows - 1);
1324
1325         if (node) {
1326                 partinfo = gtk_ctree_node_get_row_data(ctree, node);
1327                 if (partinfo->type == MIMETYPE_MULTIPART)
1328                         goto skip;
1329                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1330                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1331                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1332         }
1333 }
1334
1335 #define BREAK_ON_MODIFIER_KEY() \
1336         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1337
1338 #define KEY_PRESS_EVENT_STOP() \
1339         g_signal_stop_emission_by_name(G_OBJECT(ctree), \
1340                                        "key_press_event");
1341
1342 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1343                                  MimeView *mimeview)
1344 {
1345         SummaryView *summaryview;
1346         GtkCTree *ctree = GTK_CTREE(widget);
1347
1348         if (!event) return FALSE;
1349         if (!mimeview->opened) return FALSE;
1350
1351         summaryview = mimeview->messageview->mainwin->summaryview;
1352
1353         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1354                 return FALSE;
1355
1356         switch (event->keyval) {
1357         case GDK_space:
1358                 if (mimeview_scroll_page(mimeview, FALSE))
1359                         return TRUE;
1360
1361                 mimeview_select_next_part(mimeview);
1362                 return TRUE;
1363
1364         case GDK_BackSpace:
1365                 mimeview_scroll_page(mimeview, TRUE);
1366                 return TRUE;
1367         case GDK_Return:
1368         case GDK_KP_Enter:
1369                 mimeview_scroll_one_line(mimeview,
1370                                          (event->state & GDK_MOD1_MASK) != 0);
1371                 return TRUE;
1372         case GDK_n:
1373         case GDK_N:
1374                 BREAK_ON_MODIFIER_KEY();
1375                 mimeview_select_next_part(mimeview);
1376                 return TRUE;
1377
1378         case GDK_p:
1379         case GDK_P:
1380                 BREAK_ON_MODIFIER_KEY();
1381                 mimeview_select_prev_part(mimeview);
1382                 return TRUE;
1383
1384         case GDK_y:
1385                 BREAK_ON_MODIFIER_KEY();
1386                 KEY_PRESS_EVENT_STOP();
1387                 mimeview_save_as(mimeview);
1388                 return TRUE;
1389         case GDK_t:
1390                 BREAK_ON_MODIFIER_KEY();
1391                 KEY_PRESS_EVENT_STOP();
1392                 mimeview_display_as_text(mimeview);
1393                 return TRUE;
1394         case GDK_l:
1395                 BREAK_ON_MODIFIER_KEY();
1396                 KEY_PRESS_EVENT_STOP();
1397                 mimeview_launch(mimeview, NULL);
1398                 return TRUE;
1399         case GDK_o:
1400                 BREAK_ON_MODIFIER_KEY();
1401                 KEY_PRESS_EVENT_STOP();
1402                 mimeview_open_with(mimeview);
1403                 return TRUE;
1404         case GDK_c:
1405                 BREAK_ON_MODIFIER_KEY();
1406                 KEY_PRESS_EVENT_STOP();
1407                 mimeview_check_signature(mimeview);
1408                 return TRUE;
1409         case GDK_a:
1410                 BREAK_ON_MODIFIER_KEY();
1411                 KEY_PRESS_EVENT_STOP();
1412                 mimeview_select_next_part(mimeview);
1413                 return TRUE;
1414         default:
1415                 break;
1416         }
1417
1418         if (!mimeview->messageview->mainwin) return FALSE;
1419
1420         summary_pass_key_press_event(summaryview, event);
1421         return TRUE;
1422 }
1423
1424 static void mimeview_drag_data_get(GtkWidget        *widget,
1425                                    GdkDragContext   *drag_context,
1426                                    GtkSelectionData *selection_data,
1427                                    guint             info,
1428                                    guint             time,
1429                                    MimeView         *mimeview)
1430 {
1431         gchar *filename = NULL, *uriname, *tmp;
1432         MimeInfo *partinfo;
1433         gint err;
1434
1435         if (!mimeview->opened) return;
1436         if (!mimeview->file) return;
1437
1438         partinfo = mimeview_get_selected_part(mimeview);
1439         if (!partinfo) return;
1440
1441         if (strlen(get_part_name(partinfo)) > 0) {
1442                 filename = g_path_get_basename(get_part_name(partinfo));
1443                 if (*filename == '\0') return;
1444         } else if (partinfo->type == MIMETYPE_MESSAGE
1445                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1446                 gchar *name = NULL;
1447                 GPtrArray *headers = NULL;
1448                 FILE *fp;
1449
1450                 fp = g_fopen(partinfo->data.filename, "rb");
1451                 fseek(fp, partinfo->offset, SEEK_SET);
1452                 headers = procheader_get_header_array_asis(fp);
1453                 if (headers) {
1454                         gint i;
1455                         for (i = 0; i < headers->len; i++) {
1456                                 Header *header = g_ptr_array_index(headers, i);
1457                                 if (procheader_headername_equal(header->name, "Subject")) {
1458                                         unfold_line(header->body);
1459                                         name = g_strconcat(header->body, ".txt", NULL);
1460                                         subst_for_filename(name);
1461                                 }
1462                         }
1463                         procheader_header_array_destroy(headers);
1464                 }
1465                 fclose(fp);
1466                 if (name)
1467                         filename = g_path_get_basename(name);
1468                 g_free(name);
1469         }
1470         if (filename == NULL)
1471                 filename = g_path_get_basename("Unnamed part");
1472
1473         if (!g_utf8_validate(filename, -1, NULL))
1474                 tmp = conv_codeset_strdup(filename,
1475                                 conv_get_locale_charset_str(),
1476                                 CS_UTF_8);
1477         else
1478                 tmp = g_strdup(filename);
1479
1480         if (tmp == NULL) {
1481                 g_warning("filename not in UTF-8");
1482                 tmp = g_strdup("Unnamed part");
1483         }
1484         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1485                                tmp, NULL);
1486
1487         g_free(tmp);
1488
1489         if ((err = procmime_get_part(filename, partinfo)) < 0)
1490                 alertpanel_error
1491                         (_("Couldn't save the part of multipart message: %s"),
1492                                 strerror(-err));
1493
1494         tmp = g_filename_to_uri(filename, NULL, NULL);
1495         uriname = g_strconcat(tmp, "\r\n", NULL);
1496         g_free(tmp);
1497
1498         gtk_selection_data_set(selection_data, selection_data->target, 8,
1499                                (guchar *)uriname, strlen(uriname));
1500
1501         g_free(uriname);
1502         g_free(filename);
1503 }
1504
1505 /**
1506  * Returns a filename (with path) for an attachment
1507  * \param partinfo The attachment to save
1508  * \param basedir The target directory
1509  * \param number Used for dummy filename if attachment is unnamed
1510  */
1511 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1512                                       const gchar *basedir,
1513                                       gint number)
1514 {
1515         gchar *fullname;
1516         gchar *filename;
1517
1518         filename = g_strdup(get_part_name(partinfo));
1519         if (!filename || !*filename)
1520                 filename = g_strdup_printf("noname.%d", number);
1521
1522         if (!g_utf8_validate(filename, -1, NULL)) {
1523                 gchar *tmp = conv_filename_to_utf8(filename);
1524                 g_free(filename);
1525                 filename = tmp;
1526         }
1527
1528         subst_for_filename(filename);
1529
1530         fullname = g_strconcat
1531                 (basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
1532                  ? &filename[1] : filename, NULL);
1533
1534         g_free(filename);
1535         filename = conv_filename_from_utf8(fullname);
1536         g_free(fullname);
1537         return filename;
1538 }
1539
1540 /**
1541  * Write a single attachment to file
1542  * \param filename Filename with path
1543  * \param partinfo Attachment to save
1544  */
1545 static gboolean mimeview_write_part(const gchar *filename,
1546                                     MimeInfo *partinfo)
1547 {
1548         gchar *dir;
1549         gint err;
1550
1551         dir= g_path_get_dirname(filename);
1552         if (!is_dir_exist(dir))
1553                 make_dir_hier(dir);
1554         g_free(dir);
1555
1556         if (is_file_exist(filename)) {
1557                 AlertValue aval;
1558                 gchar *res;
1559                 gchar *tmp;
1560
1561                 if (!g_utf8_validate(filename, -1, NULL))
1562                         tmp = conv_filename_to_utf8(filename);
1563                 else
1564                         tmp = g_strdup(filename);
1565
1566                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1567                                       tmp);
1568                 g_free(tmp);
1569                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1570                                   GTK_STOCK_OK, NULL);
1571                 g_free(res);
1572                 if (G_ALERTALTERNATE != aval) return FALSE;
1573         }
1574
1575         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1576                 alertpanel_error
1577                         (_("Couldn't save the part of multipart message: %s"),
1578                                 strerror(-err));
1579                 return FALSE;
1580         }
1581
1582         return TRUE;
1583 }
1584
1585 /**
1586  * Menu callback: Save all attached files
1587  * \param mimeview Current display
1588  */
1589 static void mimeview_save_all(MimeView *mimeview)
1590 {
1591         MimeInfo *partinfo;
1592         gchar *dirname;
1593         gchar *startdir = NULL;
1594         gint number = 1;
1595
1596         if (!mimeview->opened) return;
1597         if (!mimeview->file) return;
1598         if (!mimeview->mimeinfo) return;
1599
1600         partinfo = mimeview->mimeinfo;
1601         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1602                 startdir = g_strconcat(prefs_common.attach_save_dir,
1603                                        G_DIR_SEPARATOR_S, NULL);
1604         else
1605                 startdir = g_strdup(get_home_dir());
1606
1607         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1608         if (!dirname) {
1609                 g_free(startdir);
1610                 return;
1611         }
1612
1613         if (!is_dir_exist (dirname)) {
1614                 alertpanel_error(_("'%s' is not a directory."),
1615                                  dirname);
1616                 g_free(startdir);
1617                 return;
1618         }
1619
1620         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1621                 dirname[strlen(dirname)-1] = '\0';
1622
1623         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1624         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1625                 partinfo = procmime_mimeinfo_next(partinfo);
1626         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1627                 partinfo = procmime_mimeinfo_next(partinfo);
1628                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1629                         partinfo = procmime_mimeinfo_next(partinfo);
1630         }
1631
1632         while (partinfo != NULL) {
1633                 if (partinfo->type != MIMETYPE_MESSAGE &&
1634                     partinfo->type != MIMETYPE_MULTIPART &&
1635                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1636                      || get_real_part_name(partinfo) != NULL)) {
1637                         gchar *filename = mimeview_get_filename_for_part
1638                                 (partinfo, dirname, number++);
1639
1640                         mimeview_write_part(filename, partinfo);
1641                         g_free(filename);
1642                 }
1643                 partinfo = procmime_mimeinfo_next(partinfo);
1644         }
1645
1646         g_free(prefs_common.attach_save_dir);
1647         g_free(startdir);
1648         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1649                                         -1, NULL, NULL, NULL);
1650 }
1651
1652 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1653 {
1654         MimeInfo *partinfo = NULL;
1655         if (mimeview->spec_part) {
1656                 partinfo = mimeview->spec_part;
1657                 mimeview->spec_part = NULL;
1658         } else {
1659                 partinfo = (MimeInfo *) g_object_get_data
1660                          (G_OBJECT(mimeview->popupmenu),
1661                          "pop_partinfo");
1662                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1663                                   "pop_partinfo", NULL);
1664                 if (!partinfo) {
1665                         partinfo = mimeview_get_selected_part(mimeview);
1666                 }
1667         }
1668
1669         return partinfo;
1670 }
1671 /**
1672  * Menu callback: Save the selected attachment
1673  * \param mimeview Current display
1674  */
1675 static void mimeview_save_as(MimeView *mimeview)
1676 {
1677         gchar *filename;
1678         gchar *filepath = NULL;
1679         gchar *filedir = NULL;
1680         MimeInfo *partinfo;
1681         gchar *partname = NULL;
1682
1683         if (!mimeview->opened) return;
1684         if (!mimeview->file) return;
1685
1686         partinfo = mimeview_get_part_to_use(mimeview);
1687
1688         g_return_if_fail(partinfo != NULL);
1689
1690         if (get_part_name(partinfo) == NULL) {
1691                 return;
1692         }
1693         partname = g_strdup(get_part_name(partinfo));
1694
1695         if (!g_utf8_validate(partname, -1, NULL)) {
1696                 gchar *tmp = conv_filename_to_utf8(partname);
1697                 if (!tmp) {
1698                         tmp = conv_codeset_strdup(partname,
1699                                 conv_get_locale_charset_str(),
1700                                 CS_UTF_8);
1701                 }
1702                 if (tmp) {
1703                         g_free(partname);
1704                         partname = tmp;
1705                 }
1706         }
1707
1708         subst_for_filename(partname);
1709
1710         if (prefs_common.attach_save_dir)
1711                 filepath = g_strconcat(prefs_common.attach_save_dir,
1712                                        G_DIR_SEPARATOR_S, partname, NULL);
1713         else
1714                 filepath = g_strdup(partname);
1715
1716         g_free(partname);
1717
1718         filename = filesel_select_file_save(_("Save as"), filepath);
1719         if (!filename) {
1720                 g_free(filepath);
1721                 return;
1722         }
1723
1724         mimeview_write_part(filename, partinfo);
1725
1726         filedir = g_path_get_dirname(filename);
1727         if (filedir && strcmp(filedir, ".")) {
1728                 g_free(prefs_common.attach_save_dir);
1729                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
1730         }
1731
1732         g_free(filedir);
1733         g_free(filepath);
1734 }
1735
1736 static void mimeview_display_as_text(MimeView *mimeview)
1737 {
1738         MimeInfo *partinfo;
1739
1740         if (!mimeview->opened) return;
1741
1742         partinfo = mimeview_get_part_to_use(mimeview);
1743         mimeview_select_mimepart_icon(mimeview, partinfo);
1744         g_return_if_fail(partinfo != NULL);
1745         mimeview_show_message_part(mimeview, partinfo);
1746 }
1747
1748 static void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
1749 {
1750         gchar *filename;
1751         gint err;
1752
1753         if (!mimeview->opened) return;
1754         if (!mimeview->file) return;
1755
1756         if (!partinfo)
1757                 partinfo = mimeview_get_part_to_use(mimeview);
1758
1759         g_return_if_fail(partinfo != NULL);
1760
1761         filename = procmime_get_tmp_file_name(partinfo);
1762
1763         if ((err = procmime_get_part(filename, partinfo)) < 0)
1764                 alertpanel_error
1765                         (_("Couldn't save the part of multipart message: %s"),
1766                                 strerror(-err));
1767         else
1768                 mimeview_view_file(filename, partinfo, NULL, mimeview);
1769
1770         g_free(filename);
1771 }
1772
1773 static void mimeview_open_with(MimeView *mimeview)
1774 {
1775         MimeInfo *partinfo;
1776
1777         if (!mimeview) return;
1778         if (!mimeview->opened) return;
1779         if (!mimeview->file) return;
1780
1781         partinfo = mimeview_get_part_to_use(mimeview);
1782
1783         mimeview_open_part_with(mimeview, partinfo, FALSE);
1784 }
1785
1786 #ifdef MAEMO
1787 osso_context_t *get_osso_context(void);
1788 #endif
1789 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
1790 {
1791         gchar *filename;
1792         gchar *cmd;
1793         gchar *mime_command = NULL;
1794         gchar *content_type = NULL;
1795         gint err;
1796 #ifdef MAEMO
1797         DBusConnection *dbusconn;
1798         gchar *uri;
1799         int r = 0;
1800 #endif
1801         g_return_if_fail(partinfo != NULL);
1802
1803         filename = procmime_get_tmp_file_name(partinfo);
1804
1805         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1806                 alertpanel_error
1807                         (_("Couldn't save the part of multipart message: %s"),
1808                                 strerror(-err));
1809                 g_free(filename);
1810                 return;
1811         }
1812
1813         if (!prefs_common.mime_open_cmd_history)
1814                 prefs_common.mime_open_cmd_history =
1815                         add_history(NULL, prefs_common.mime_open_cmd);
1816
1817         if ((partinfo->type == MIMETYPE_APPLICATION) &&
1818             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
1819                 /* guess content-type from filename */
1820                 content_type = procmime_get_mime_type(filename);
1821         }
1822         if (content_type == NULL) {
1823                 content_type = procmime_get_content_type_str(partinfo->type,
1824                         partinfo->subtype);
1825         }
1826
1827 #ifdef MAEMO
1828         if (content_type != NULL) {
1829                 uri = g_filename_to_uri(filename, NULL, NULL);
1830                 dbusconn = osso_get_dbus_connection (get_osso_context());
1831 #ifdef CHINOOK
1832                 r = hildon_mime_open_file_with_mime_type (dbusconn, uri, content_type);
1833 #else
1834                 r = osso_mime_open_file_with_mime_type (dbusconn, uri, content_type);
1835 #endif
1836                 g_free(uri);
1837         }
1838         if (r != 1) {
1839                 alertpanel_error(_("No registered viewer for this file type."));
1840         }
1841         goto out;
1842 #endif
1843
1844         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
1845         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
1846                 mime_command = g_strdup(prefs_common_get_uri_cmd());
1847                 g_free(content_type);
1848                 content_type = NULL;
1849         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
1850         ||  !prefs_common_get_ext_editor_cmd()[0]) {
1851                 mime_command = mailcap_get_command_for_type(content_type, filename);
1852         } else {
1853                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
1854                 g_free(content_type);
1855                 content_type = NULL;
1856         }
1857         if (mime_command == NULL) {
1858                 /* try with extension this time */
1859                 g_free(content_type);
1860                 content_type = procmime_get_mime_type(filename);
1861                 mime_command = mailcap_get_command_for_type(content_type, filename);
1862         }
1863
1864         if (mime_command == NULL)
1865                 automatic = FALSE;
1866
1867         if (!automatic) {
1868                 gboolean remember = FALSE;
1869                 if (content_type != NULL)
1870                         cmd = input_dialog_combo_remember
1871                                 (_("Open with"),
1872                                  _("Enter the command line to open file:\n"
1873                                    "('%s' will be replaced with file name)"),
1874                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1875                                  prefs_common.mime_open_cmd_history, &remember);
1876                 else
1877                         cmd = input_dialog_combo
1878                                 (_("Open with"),
1879                                  _("Enter the command line to open file:\n"
1880                                    "('%s' will be replaced with file name)"),
1881                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1882                                  prefs_common.mime_open_cmd_history);
1883                 if (cmd && remember) {
1884                         mailcap_update_default(content_type, cmd);
1885                 }
1886                 g_free(mime_command);
1887         } else {
1888                 cmd = mime_command;
1889         }
1890         if (cmd) {
1891                 mimeview_view_file(filename, partinfo, cmd, mimeview);
1892                 g_free(prefs_common.mime_open_cmd);
1893                 prefs_common.mime_open_cmd = cmd;
1894                 prefs_common.mime_open_cmd_history =
1895                         add_history(prefs_common.mime_open_cmd_history, cmd);
1896         }
1897 #ifdef MAEMO
1898 out:
1899 #endif
1900         g_free(content_type);
1901         g_free(filename);
1902 }
1903
1904 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1905                                const gchar *cmd, MimeView *mimeview)
1906 {
1907         gchar *p;
1908         gchar buf[BUFFSIZE];
1909         if (cmd == NULL)
1910                 mimeview_open_part_with(mimeview, partinfo, TRUE);
1911         else {
1912                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1913                     !strchr(p + 2, '%')) {
1914                         g_snprintf(buf, sizeof(buf), cmd, filename);
1915                         if (!prefs_common.save_parts_readwrite)
1916                                 g_chmod(filename, S_IRUSR);
1917                         else
1918                                 g_chmod(filename, S_IRUSR|S_IWUSR);
1919                 } else {
1920                         g_warning("MIME viewer command line is invalid: '%s'", cmd);
1921                         mimeview_open_part_with(mimeview, partinfo, FALSE);
1922                 }
1923                 if (execute_command_line(buf, TRUE) != 0) {
1924                         if (!prefs_common.save_parts_readwrite)
1925                                 g_chmod(filename, S_IRUSR|S_IWUSR);
1926                         mimeview_open_part_with(mimeview, partinfo, FALSE);
1927                 }
1928         }
1929 }
1930
1931 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1932 {
1933         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1934 }
1935
1936 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1937 {
1938         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1939 }
1940
1941 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1942 {
1943         GSList *mimeview_list, *viewer_list;
1944
1945         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1946                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1947
1948                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1949                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1950                         mimeview->mimeviewer = NULL;
1951                 }
1952
1953                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1954                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1955
1956                         mimeviewer->destroy_viewer(mimeviewer);
1957                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1958                 }
1959         }
1960
1961         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1962 }
1963
1964 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1965 {
1966         gint      num;
1967         MimeInfo *partinfo;
1968
1969         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1970         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1971
1972         if (event->button == 1) {
1973                 icon_selected(mimeview, num, partinfo);
1974                 gtk_widget_grab_focus(button);
1975         }
1976         part_button_pressed(mimeview, event, partinfo);
1977         icon_list_toggle_by_mime_info(mimeview, partinfo);
1978
1979         return FALSE;
1980 }
1981
1982 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1983 {
1984         GtkCTreeNode *node;
1985         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1986
1987         if (node)
1988                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1989 }
1990
1991 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
1992 {
1993         icon_list_toggle_by_mime_info(mimeview, partinfo);
1994         icon_selected(mimeview, -1, partinfo);
1995 }
1996
1997 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1998                              MimeView *mimeview)
1999 {
2000         gint          num;
2001         MimeInfo     *partinfo;
2002         SummaryView  *summaryview;
2003         TextView     *textview;
2004
2005         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2006         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2007
2008         if (!event) return FALSE;
2009
2010         textview = mimeview->textview;
2011
2012         switch (event->keyval) {
2013         case GDK_space:
2014                 if (mimeview_scroll_page(mimeview, FALSE))
2015                         return TRUE;
2016
2017                 mimeview_select_next_part(mimeview);
2018                 return TRUE;
2019
2020                 break;
2021         case GDK_BackSpace:
2022                 mimeview_scroll_page(mimeview, TRUE);
2023                 return TRUE;
2024         case GDK_Return:
2025         case GDK_KP_Enter:
2026                 mimeview_scroll_one_line(mimeview,
2027                                          (event->state & GDK_MOD1_MASK) != 0);
2028                 return TRUE;
2029
2030         case GDK_n:
2031         case GDK_N:
2032                 BREAK_ON_MODIFIER_KEY();
2033                 mimeview_select_next_part(mimeview);
2034                 return TRUE;
2035
2036         case GDK_p:
2037         case GDK_P:
2038                 BREAK_ON_MODIFIER_KEY();
2039                 mimeview_select_prev_part(mimeview);
2040                 break;
2041
2042         case GDK_y:
2043                 BREAK_ON_MODIFIER_KEY();
2044                 mimeview_save_as(mimeview);
2045                 return TRUE;
2046         case GDK_t:
2047                 BREAK_ON_MODIFIER_KEY();
2048                 mimeview_display_as_text(mimeview);
2049                 return TRUE;
2050         case GDK_l:
2051                 BREAK_ON_MODIFIER_KEY();
2052                 mimeview_launch(mimeview, NULL);
2053                 return TRUE;
2054         case GDK_o:
2055                 BREAK_ON_MODIFIER_KEY();
2056                 mimeview_open_with(mimeview);
2057                 return TRUE;
2058         case GDK_c:
2059                 BREAK_ON_MODIFIER_KEY();
2060                 mimeview_check_signature(mimeview);
2061                 return TRUE;
2062         case GDK_a:
2063                 BREAK_ON_MODIFIER_KEY();
2064                 mimeview_select_next_part(mimeview);
2065                 return TRUE;
2066         default:
2067                 break;
2068         }
2069
2070         if (!mimeview->messageview->mainwin) return FALSE;
2071         summaryview = mimeview->messageview->mainwin->summaryview;
2072         return summary_pass_key_press_event(summaryview, event);
2073 }
2074
2075 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2076 {
2077         MimeView *mimeview = (MimeView *)data;
2078         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2079
2080         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2081                           "pop_partinfo", partinfo);
2082         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2083                        NULL, NULL, NULL, NULL,
2084                        0, gtk_get_current_event_time());
2085         return TRUE;
2086 }
2087
2088 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2089 {
2090         GtkWidget *pixmap = NULL;
2091         GtkWidget *vbox;
2092         GtkWidget *button;
2093         gchar *tip;
2094         gchar *tiptmp;
2095         const gchar *desc = NULL;
2096         gchar *sigshort = NULL;
2097         gchar *content_type;
2098         StockPixmap stockp;
2099         MimeInfo *partinfo;
2100         MimeInfo *siginfo = NULL;
2101         MimeInfo *encrypted = NULL;
2102
2103         vbox = mimeview->icon_vbox;
2104         mimeview->icon_count++;
2105         button = gtk_event_box_new();
2106
2107         g_signal_connect(G_OBJECT(button), "visibility-notify-event",
2108                          G_CALLBACK(mimeview_visi_notify), mimeview);
2109         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2110                          G_CALLBACK(mimeview_visi_notify), mimeview);
2111         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2112                          G_CALLBACK(mimeview_leave_notify), mimeview);
2113         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2114                          G_CALLBACK(mimeview_enter_notify), mimeview);
2115
2116         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2117         g_object_set_data(G_OBJECT(button), "icon_number",
2118                           GINT_TO_POINTER(mimeview->icon_count));
2119         g_object_set_data(G_OBJECT(button), "partinfo",
2120                           mimeinfo);
2121
2122         switch (mimeinfo->type) {
2123
2124         case MIMETYPE_TEXT:
2125                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2126                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2127                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2128                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2129                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2130                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2131                 else
2132                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2133                 break;
2134         case MIMETYPE_MESSAGE:
2135                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2136                 break;
2137         case MIMETYPE_APPLICATION:
2138                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature"))
2139                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2140                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2141                         stockp = STOCK_PIXMAP_MIME_PDF;
2142                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2143                         stockp = STOCK_PIXMAP_MIME_PS;
2144                 else
2145                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2146                 break;
2147         case MIMETYPE_IMAGE:
2148                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2149                 break;
2150         case MIMETYPE_AUDIO:
2151                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2152                 break;
2153         default:
2154                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2155                 break;
2156         }
2157
2158         partinfo = mimeinfo;
2159         while (partinfo != NULL) {
2160                 if (privacy_mimeinfo_is_signed(partinfo)) {
2161                         siginfo = partinfo;
2162                         break;
2163                 }
2164                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2165                         encrypted = partinfo;
2166                         break;
2167                 }
2168                 partinfo = procmime_mimeinfo_parent(partinfo);
2169         }
2170
2171         if (siginfo != NULL) {
2172                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2173                 case SIGNATURE_UNCHECKED:
2174                 case SIGNATURE_CHECK_FAILED:
2175                 case SIGNATURE_CHECK_TIMEOUT:
2176                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2177                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2178                         break;
2179                 case SIGNATURE_OK:
2180                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2181                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2182                         break;
2183                 case SIGNATURE_WARN:
2184                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2185                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2186                         break;
2187                 case SIGNATURE_INVALID:
2188                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2189                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2190                         break;
2191                 }
2192                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2193         } else if (encrypted != NULL) {
2194                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2195                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2196         } else {
2197                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2198                                                           OVERLAY_NONE, 6, 3);
2199         }
2200         gtk_container_add(GTK_CONTAINER(button), pixmap);
2201         if (!desc) {
2202                 if (prefs_common.attach_desc)
2203                         desc = get_part_description(mimeinfo);
2204                 else
2205                         desc = get_part_name(mimeinfo);
2206         }
2207
2208         content_type = procmime_get_content_type_str(mimeinfo->type,
2209                                                      mimeinfo->subtype);
2210
2211         tip = g_strjoin("\n", content_type,
2212                         to_human_readable(mimeinfo->length), NULL);
2213         g_free(content_type);
2214         if (desc && *desc) {
2215                 gchar *tmp = NULL;
2216                 if (!g_utf8_validate(desc, -1, NULL)) {
2217                         tmp = conv_filename_to_utf8(desc);
2218                 } else {
2219                         tmp = g_strdup(desc);
2220                 }
2221                 tiptmp = g_strjoin("\n", tmp, tip, NULL);
2222                 g_free(tip);
2223                 tip = tiptmp;
2224                 g_free(tmp);
2225         }
2226         if (sigshort && *sigshort) {
2227                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
2228                 g_free(tip);
2229                 tip = tiptmp;
2230         }
2231         g_free(sigshort);
2232
2233         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
2234         g_free(tip);
2235         gtk_widget_show_all(button);
2236         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2237                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2238 #ifndef MAEMO
2239         g_signal_connect(G_OBJECT(button), "popup-menu",
2240                          G_CALLBACK(icon_popup_menu), mimeview);
2241 #else
2242         gtk_widget_tap_and_hold_setup(GTK_WIDGET(button), NULL, NULL,
2243                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
2244         g_signal_connect(G_OBJECT(button), "tap-and-hold",
2245                          G_CALLBACK(icon_popup_menu), mimeview);
2246 #endif
2247         g_signal_connect(G_OBJECT(button), "button_release_event",
2248                          G_CALLBACK(icon_clicked_cb), mimeview);
2249         g_signal_connect(G_OBJECT(button), "key_press_event",
2250                          G_CALLBACK(icon_key_pressed), mimeview);
2251         g_signal_connect(G_OBJECT(button), "drag_data_get",
2252                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2253         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2254 #ifdef MAEMO
2255         gtk_widget_set_size_request(vbox, -1, pixmap->requisition.height + 8);
2256         gtk_widget_set_size_request(button, -1, pixmap->requisition.height + 4);
2257 #endif
2258
2259 }
2260
2261 static void icon_list_clear (MimeView *mimeview)
2262 {
2263         GList     *child;
2264         GtkAdjustment *adj;
2265
2266         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2267         for (; child != NULL; child = g_list_next(child)) {
2268                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2269                                        GTK_WIDGET(child->data));
2270                 gtk_widget_destroy(GTK_WIDGET(child->data));
2271         }
2272         g_list_free(child);
2273         mimeview->icon_count = 0;
2274         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2275         gtk_adjustment_set_value(adj, adj->lower);
2276         gtk_adjustment_changed(adj);
2277 }
2278
2279 /*!
2280  *\brief        Used to 'click' the next or previous icon.
2281  *
2282  *\return       true if the icon 'number' exists and was selected.
2283  */
2284 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2285                                          GtkAllocation *size, MimeView *mimeview)
2286 {
2287         GtkAllocation *mainbox_size;
2288         GtkAllocation *vbox_size;
2289         GtkAllocation *layout_size;
2290         GtkAdjustment *adj;
2291
2292         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2293
2294         mainbox_size = &mimeview->icon_mainbox->allocation;
2295         vbox_size = &mimeview->icon_vbox->allocation;
2296         layout_size = &mimeview->icon_scroll->allocation;
2297
2298         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2299                             GTK_LAYOUT(mimeview->icon_scroll)->width,
2300                             MAX(vbox_size->height, layout_size->height));
2301         adj->step_increment = 10;
2302 }
2303
2304 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2305 {
2306         GtkRequisition size;
2307
2308         g_return_if_fail(mimeinfo != NULL);
2309
2310         while (mimeinfo != NULL) {
2311                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2312                         icon_list_append_icon(mimeview, mimeinfo);
2313                 if (mimeinfo->node->children != NULL)
2314                         icon_list_create(mimeview,
2315                                 (MimeInfo *) mimeinfo->node->children->data);
2316                 mimeinfo = mimeinfo->node->next != NULL
2317                          ? (MimeInfo *) mimeinfo->node->next->data
2318                          : NULL;
2319         }
2320         gtk_widget_size_request(mimeview->icon_vbox, &size);
2321         if (size.width > mimeview->icon_mainbox->requisition.width) {
2322                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2323                                             size.width, -1);
2324         }
2325 }
2326
2327 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2328                                            MimeInfo     *mimeinfo)
2329 {
2330         GList *child;
2331
2332         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2333         for (; child != NULL; child = g_list_next(child)) {
2334                 if (!GTK_IS_EVENT_BOX(child->data))
2335                         continue;
2336                 if(g_object_get_data(G_OBJECT(child->data),
2337                                       "partinfo") == (gpointer)mimeinfo) {
2338                         gboolean *highlight = NULL;
2339                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2340                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2341                         *highlight = TRUE;
2342                         gtk_widget_queue_draw(icon);
2343                 } else {
2344                         gint *highlight = NULL;
2345                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2346                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2347                         *highlight = FALSE;
2348                         gtk_widget_queue_draw(icon);
2349                 }
2350         }
2351 }
2352
2353 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2354                                     MimeView *mimeview)
2355 {
2356         gtk_widget_ref(button);
2357
2358         mimeview_leave_notify(button, NULL, NULL);
2359
2360         mimeview->ctree_mode = !mimeview->ctree_mode;
2361         if (mimeview->ctree_mode) {
2362                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
2363                                         GTK_SHADOW_NONE);
2364                 gtk_widget_hide(mimeview->icon_mainbox);
2365                 gtk_widget_show(mimeview->ctree_mainbox);
2366                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
2367
2368                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2369                                         button);
2370                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2371                                    button, FALSE, FALSE, 0);
2372                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
2373         } else {
2374                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
2375                               GTK_SHADOW_NONE);
2376                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
2377                 gtk_widget_hide(mimeview->ctree_mainbox);
2378                 gtk_widget_show(mimeview->icon_mainbox);
2379                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2380
2381                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2382                                         button);
2383                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2384                                    button, FALSE, FALSE, 0);
2385                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
2386                 if (mimeview->opened)
2387                         icon_list_toggle_by_mime_info
2388                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
2389                                                                        mimeview->opened));
2390
2391                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
2392         }
2393         gtk_widget_unref(button);
2394         return TRUE;
2395 }
2396
2397 void mimeview_update (MimeView *mimeview) {
2398         if (mimeview && mimeview->mimeinfo) {
2399                 icon_list_clear(mimeview);
2400                 icon_list_create(mimeview, mimeview->mimeinfo);
2401         }
2402 }
2403
2404 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2405 {
2406         MessageView *msgview = NULL;
2407         MainWindow *mainwin = NULL;
2408
2409         if (!cmd)
2410                 return;
2411
2412         msgview = mimeview->messageview;
2413         if (!msgview)
2414                 return;
2415
2416         mainwin = msgview->mainwin;
2417         if (!mainwin)
2418                 return;
2419
2420         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2421                           "pop_partinfo", NULL);
2422
2423         if (!strcmp(cmd, "sc://view_log"))
2424                 log_window_show(mainwin->logwin);
2425         else if (!strcmp(cmd, "sc://save_as"))
2426                 mimeview_save_as(mimeview);
2427         else if (!strcmp(cmd, "sc://display_as_text"))
2428                 mimeview_display_as_text(mimeview);
2429         else if (!strcmp(cmd, "sc://open_with"))
2430                 mimeview_open_with(mimeview);
2431         else if (!strcmp(cmd, "sc://open"))
2432                 mimeview_launch(mimeview, NULL);
2433         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2434                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2435                 icon_selected(mimeview, -1, (MimeInfo *)data);
2436         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2437                 mimeview_launch(mimeview, (MimeInfo *)data);
2438         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2439                 mimeview->spec_part = (MimeInfo *)data;
2440                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2441         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2442                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2443                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2444                 gtk_toggle_button_set_active(
2445                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2446                                 TRUE);
2447                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2448                                 QUICK_SEARCH_EXTENDED, buf);
2449                 g_free(buf);
2450         }
2451 }
2452
2453 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2454 {
2455         if (mimeview->type == MIMEVIEW_TEXT)
2456                 return textview_scroll_page(mimeview->textview, up);
2457         else if (mimeview->mimeviewer) {
2458                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2459                 if (mimeviewer->scroll_page)
2460                         return mimeviewer->scroll_page(mimeviewer, up);
2461         }
2462         return TRUE;
2463 }
2464
2465 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2466 {
2467         if (mimeview->type == MIMEVIEW_TEXT)
2468                 textview_scroll_one_line(mimeview->textview, up);
2469         else if (mimeview->mimeviewer) {
2470                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2471                 if (mimeviewer->scroll_one_line)
2472                         mimeviewer->scroll_one_line(mimeviewer, up);
2473         }
2474 }