src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2009 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/gtk.h>
  30 #include <stdio.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33
  34 #ifndef HAVE_APACHE_FNMATCH
  35 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  36  * fnmatch.h */
  37 #include <fnmatch.h>
  38 #endif
  39
  40 #include "main.h"
  41 #include "mimeview.h"
  42 #include "textview.h"
  43 #include "procmime.h"
  44 #include "summaryview.h"
  45 #include "menu.h"
  46 #include "filesel.h"
  47 #include "alertpanel.h"
  48 #include "inputdialog.h"
  49 #include "utils.h"
  50 #include "gtkutils.h"
  51 #include "prefs_common.h"
  52 #include "procheader.h"
  53 #include "stock_pixmap.h"
  54 #include "gtk/gtkvscrollbutton.h"
  55 #include "gtk/logwindow.h"
  56 #include "timing.h"
  57
  58 #ifdef MAEMO
  59 #include <libosso.h>
  60 #ifndef CHINOOK
  61 #include <osso-mime.h>
  62 #else
  63 #include <hildon-mime.h>
  64 #endif
  65 #endif
  66
  67 typedef enum
  68 {
  69         COL_MIMETYPE = 0,
  70         COL_SIZE     = 1,
  71         COL_NAME     = 2
  72 } MimeViewColumnPos;
  73
  74 #define N_MIMEVIEW_COLS 3
  75
  76 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  77                                                  MimeInfo       *mimeinfo,
  78                                                  GtkCMCTreeNode *parent);
  79 static GtkCMCTreeNode *mimeview_append_part     (MimeView       *mimeview,
  80                                                  MimeInfo       *partinfo,
  81                                                  GtkCMCTreeNode *parent);
  82 static void mimeview_show_message_part          (MimeView       *mimeview,
  83                                                  MimeInfo       *partinfo);
  84 static void mimeview_change_view_type           (MimeView       *mimeview,
  85                                                  MimeViewType    type);
  86 static gchar *mimeview_get_filename_for_part            (MimeInfo       *partinfo,
  87                                                  const gchar    *basedir,
  88                                                  gint            number);
  89 static gboolean mimeview_write_part             (const gchar    *filename,
  90                                                  MimeInfo       *partinfo);
  91
  92 static void mimeview_selected           (GtkCMCTree     *ctree,
  93                                          GtkCMCTreeNode *node,
  94                                          gint            column,
  95                                          MimeView       *mimeview);
  96 static void mimeview_start_drag         (GtkWidget      *widget,
  97                                          gint            button,
  98                                          GdkEvent       *event,
  99                                          MimeView       *mimeview);
 100 static gint mimeview_button_pressed     (GtkWidget      *widget,
 101                                          GdkEventButton *event,
 102                                          MimeView       *mimeview);
 103 static gint mimeview_key_pressed        (GtkWidget      *widget,
 104                                          GdkEventKey    *event,
 105                                          MimeView       *mimeview);
 106
 107 static void mimeview_drag_data_get      (GtkWidget        *widget,
 108                                          GdkDragContext   *drag_context,
 109                                          GtkSelectionData *selection_data,
 110                                          guint             info,
 111                                          guint             time,
 112                                          MimeView         *mimeview);
 113
 114 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 115                                          GdkEventScroll *event,
 116                                          MimeView       *mimeview);
 117 static void mimeview_display_as_text    (MimeView       *mimeview);
 118 static void mimeview_save_as            (MimeView       *mimeview);
 119 static void mimeview_save_all           (MimeView       *mimeview);
 120 static void mimeview_launch             (MimeView       *mimeview,
 121                                          MimeInfo       *partinfo);
 122 #ifndef G_OS_WIN32
 123 static void mimeview_open_with          (MimeView       *mimeview);
 124 static void mimeview_open_part_with     (MimeView       *mimeview,
 125                                          MimeInfo       *partinfo,
 126                                          gboolean        automatic);
 127 #endif
 128 static void mimeview_select_next_part   (MimeView       *mimeview);
 129 static void mimeview_select_prev_part   (MimeView       *mimeview);
 130 static void mimeview_view_file          (const gchar    *filename,
 131                                          MimeInfo       *partinfo,
 132                                          const gchar    *cmd,
 133                                          MimeView       *mimeview);
 134 static gboolean icon_clicked_cb         (GtkWidget      *button,
 135                                          GdkEventButton *event,
 136                                          MimeView       *mimeview);
 137 static void icon_selected               (MimeView       *mimeview,
 138                                          gint            num,
 139                                          MimeInfo       *partinfo);
 140 static gint icon_key_pressed            (GtkWidget      *button,
 141                                          GdkEventKey    *event,
 142                                          MimeView       *mimeview);
 143 static void icon_list_append_icon       (MimeView       *mimeview,
 144                                          MimeInfo       *mimeinfo);
 145 static void icon_list_create            (MimeView       *mimeview,
 146                                          MimeInfo       *mimeinfo);
 147 static void icon_list_clear             (MimeView       *mimeview);
 148 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 149                                            MimeInfo     *mimeinfo);
 150 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 151                                     MimeView *mimeview);
 152 static gboolean part_button_pressed     (MimeView       *mimeview,
 153                                          GdkEventButton *event,
 154                                          MimeInfo       *partinfo);
 155 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 156                                          GtkAllocation  *layout_size,
 157                                          MimeView       *mimeview);
 158 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 159
 160 static void mimeview_launch_cb(GtkAction *action, gpointer data)
 161 {
 162         MimeView *mimeview = (MimeView *)data;
 163         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 164 }
 165
 166 #ifndef G_OS_WIN32
 167 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
 168 {
 169         mimeview_open_with((MimeView *)data);
 170 }
 171 #endif
 172
 173 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
 174 {
 175         mimeview_display_as_text((MimeView *)data);
 176 }
 177
 178 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
 179 {
 180         mimeview_save_as((MimeView *)data);
 181 }
 182
 183 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
 184 {
 185         mimeview_save_all((MimeView *)data);
 186 }
 187
 188 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
 189 {
 190         mimeview_select_next_part((MimeView *)data);
 191 }
 192
 193 static GtkActionEntry mimeview_menu_actions[] = {
 194         { "MimeView", NULL, "MimeView" },
 195         { "MimeView/Open", NULL, N_("_Open (l)"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
 196 #if (!defined MAEMO && !defined G_OS_WIN32)
 197         { "MimeView/OpenWith", NULL, N_("Open _with (o)..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
 198 #endif
 199         { "MimeView/DisplayAsText", NULL, N_("_Display as text (t)"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
 200         { "MimeView/SaveAs", NULL, N_("_Save as (y)..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
 201         { "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
 202         { "MimeView/NextPart", NULL, N_("Next part (a)"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) }
 203 };
 204
 205 static GtkTargetEntry mimeview_mime_types[] =
 206 {
 207         {"text/uri-list", 0, 0}
 208 };
 209
 210 GSList *mimeviewer_factories;
 211 GSList *mimeviews;
 212
 213 static GdkCursor *hand_cursor = NULL;
 214
 215 static gboolean mimeview_visi_notify(GtkWidget *widget,
 216                                        GdkEventVisibility *event,
 217                                        MimeView *mimeview)
 218 {
 219         gdk_window_set_cursor(widget->window, hand_cursor);
 220         return FALSE;
 221 }
 222
 223 static gboolean mimeview_leave_notify(GtkWidget *widget,
 224                                       GdkEventCrossing *event,
 225                                       MimeView *mimeview)
 226 {
 227         gdk_window_set_cursor(widget->window, NULL);
 228         return FALSE;
 229 }
 230
 231 static gboolean mimeview_enter_notify(GtkWidget *widget,
 232                                       GdkEventCrossing *event,
 233                                       MimeView *mimeview)
 234 {
 235         gdk_window_set_cursor(widget->window, hand_cursor);
 236         return FALSE;
 237 }
 238
 239 MimeView *mimeview_create(MainWindow *mainwin)
 240 {
 241         MimeView *mimeview;
 242
 243         GtkWidget *paned;
 244         GtkWidget *scrolledwin;
 245         GtkWidget *ctree;
 246         GtkWidget *mime_notebook;
 247         GtkWidget *popupmenu;
 248         GtkWidget *ctree_mainbox;
 249         GtkWidget *vbox;
 250         GtkWidget *mime_toggle;
 251         GtkWidget *icon_mainbox;
 252         GtkWidget *icon_scroll;
 253         GtkWidget *icon_vbox;
 254         GtkWidget *arrow;
 255         GtkWidget *scrollbutton;
 256         GtkWidget *hbox;
 257         NoticeView *siginfoview;
 258         GtkRequisition r;
 259
 260         gchar *titles[N_MIMEVIEW_COLS];
 261         gint i;
 262         CLAWS_TIP_DECL();
 263
 264         if (!hand_cursor)
 265                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 266
 267         debug_print("Creating MIME view...\n");
 268         mimeview = g_new0(MimeView, 1);
 269
 270         titles[COL_MIMETYPE] = _("MIME Type");
 271         titles[COL_SIZE]     = _("Size");
 272         titles[COL_NAME]     = _("Name");
 273
 274         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 275         gtk_widget_show(scrolledwin);
 276         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 277                                        GTK_POLICY_AUTOMATIC,
 278                                        GTK_POLICY_AUTOMATIC);
 279
 280         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 281
 282         if (prefs_common.show_col_headers == FALSE)
 283                 gtk_cmclist_column_titles_hide(GTK_CMCLIST(ctree));
 284
 285         gtk_cmclist_set_selection_mode(GTK_CMCLIST(ctree), GTK_SELECTION_BROWSE);
 286         gtk_cmctree_set_line_style(GTK_CMCTREE(ctree), GTK_CMCTREE_LINES_NONE);
 287         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree), COL_SIZE,
 288                                            GTK_JUSTIFY_RIGHT);
 289         gtk_cmclist_set_column_width(GTK_CMCLIST(ctree), COL_MIMETYPE, 240);
 290         gtk_cmclist_set_column_width(GTK_CMCLIST(ctree), COL_SIZE, 90);
 291         gtk_cmclist_set_column_auto_resize(GTK_CMCLIST(ctree), COL_MIMETYPE, TRUE);
 292         gtk_cmclist_set_column_auto_resize(GTK_CMCLIST(ctree), COL_NAME, TRUE);
 293         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 294                 gtkut_widget_set_can_focus(GTK_CMCLIST(ctree)->column[i].button,
 295                                        FALSE);
 296         gtk_widget_show(ctree);
 297         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 298
 299         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 300                          G_CALLBACK(mimeview_selected), mimeview);
 301         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 302                          G_CALLBACK(mimeview_button_pressed), mimeview);
 303         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 304                          G_CALLBACK(mimeview_key_pressed), mimeview);
 305         g_signal_connect(G_OBJECT (ctree),"start_drag",
 306                          G_CALLBACK (mimeview_start_drag), mimeview);
 307         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 308                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 309
 310         mime_notebook = gtk_notebook_new();
 311         gtk_widget_show(mime_notebook);
 312         gtkut_widget_set_can_focus(mime_notebook, FALSE);
 313         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 314         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 315
 316         icon_vbox = gtk_vbox_new(FALSE, 2);
 317         gtk_widget_show(icon_vbox);
 318         icon_scroll = gtk_layout_new(NULL, NULL);
 319         gtk_widget_show(icon_scroll);
 320         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 321         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 322         gtk_widget_show(scrollbutton);
 323
 324         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 325                          G_CALLBACK(mimeview_scrolled), mimeview);
 326
 327         mime_toggle = gtk_event_box_new();
 328         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 329
 330         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 331                          G_CALLBACK(mimeview_visi_notify), mimeview);
 332         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 333                          G_CALLBACK(mimeview_leave_notify), mimeview);
 334         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 335                          G_CALLBACK(mimeview_enter_notify), mimeview);
 336
 337         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 338         gtk_widget_show(mime_toggle);
 339         mimeview->ctree_mode = FALSE;
 340         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 341         gtk_widget_show(arrow);
 342         gtk_widget_size_request(arrow, &r);
 343         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 344         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 345                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 346
 347         icon_mainbox = gtk_vbox_new(FALSE, 0);
 348         gtk_widget_show(icon_mainbox);
 349         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 350         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 351         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 352         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 353         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 354                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 355
 356         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 357         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 358
 359         mimeview->ui_manager = gtk_ui_manager_new();
 360         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 361                         "MimeView", mimeview_menu_actions,
 362                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 363
 364         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 365         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 366                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 367         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 368                         "/Menus/MimeView/", "Open", "MimeView/Open",
 369                         GTK_UI_MANAGER_MENUITEM);
 370 #if (!defined MAEMO && !defined G_OS_WIN32)
 371         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 372                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 373                         GTK_UI_MANAGER_MENUITEM);
 374 #endif
 375         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 376                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 377                         GTK_UI_MANAGER_MENUITEM);
 378         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 379                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 380                         GTK_UI_MANAGER_MENUITEM);
 381         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 382                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 383                         GTK_UI_MANAGER_MENUITEM);
 384         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 385                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 386                         GTK_UI_MANAGER_MENUITEM);
 387
 388         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 389                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 390
 391
 392         vbox = gtk_vbox_new(FALSE, 0);
 393         gtk_widget_show(vbox);
 394         siginfoview = noticeview_create(mainwin);
 395         noticeview_hide(siginfoview);
 396         noticeview_set_icon_clickable(siginfoview, TRUE);
 397         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 398         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 399
 400         paned = gtk_vpaned_new();
 401         gtk_widget_show(paned);
 402         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 403         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 404
 405         hbox = gtk_hbox_new(FALSE, 0);
 406         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 407         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 408
 409         gtk_widget_show(hbox);
 410         gtk_widget_hide(ctree_mainbox);
 411 #ifdef GENERIC_UMPC
 412         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 413 #endif
 414         mimeview->hbox          = hbox;
 415         mimeview->paned         = paned;
 416         mimeview->scrolledwin   = scrolledwin;
 417         mimeview->ctree         = ctree;
 418         mimeview->mime_notebook = mime_notebook;
 419         mimeview->popupmenu     = popupmenu;
 420         mimeview->type          = -1;
 421         mimeview->ctree_mainbox = ctree_mainbox;
 422         mimeview->icon_scroll   = icon_scroll;
 423         mimeview->icon_vbox     = icon_vbox;
 424         mimeview->icon_mainbox  = icon_mainbox;
 425         mimeview->icon_count    = 0;
 426         mimeview->mainwin       = mainwin;
 427 #if !(GTK_CHECK_VERSION(2,12,0))
 428         mimeview->tooltips      = tips;
 429 #endif
 430         mimeview->oldsize       = 60;
 431         mimeview->mime_toggle   = mime_toggle;
 432         mimeview->siginfoview   = siginfoview;
 433         mimeview->scrollbutton  = scrollbutton;
 434         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 435
 436         mimeviews = g_slist_prepend(mimeviews, mimeview);
 437
 438         return mimeview;
 439 }
 440
 441 void mimeview_init(MimeView *mimeview)
 442 {
 443         textview_init(mimeview->textview);
 444
 445         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 446                 GTK_WIDGET_PTR(mimeview->textview));
 447 }
 448
 449 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 450 {
 451         while (mimeinfo) {
 452                 if (privacy_mimeinfo_is_signed(mimeinfo))
 453                         return TRUE;
 454                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 455         }
 456
 457         return FALSE;
 458 }
 459
 460 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 461                            const gchar *file)
 462 {
 463         GtkCMCTree *ctree = GTK_CMCTREE(mimeview->ctree);
 464         GtkCMCTreeNode *node;
 465
 466         mimeview_clear(mimeview);
 467
 468         cm_return_if_fail(file != NULL);
 469         cm_return_if_fail(mimeinfo != NULL);
 470
 471         mimeview->mimeinfo = mimeinfo;
 472
 473         mimeview->file = g_strdup(file);
 474
 475         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 476                                         mimeview);
 477
 478         /* check if the mail's signed - it can change the mail structure */
 479
 480         if (any_part_is_signed(mimeinfo))
 481                 debug_print("signed mail\n");
 482
 483         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 484         icon_list_clear(mimeview);
 485         icon_list_create(mimeview, mimeinfo);
 486
 487         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 488                                           mimeview_selected, mimeview);
 489
 490         node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 491         if (node) {
 492                 gtk_cmctree_select(ctree, node);
 493                 icon_list_toggle_by_mime_info
 494                         (mimeview, gtk_cmctree_node_get_row_data(ctree, node));
 495                 gtkut_ctree_set_focus_row(ctree, node);
 496         }
 497 }
 498
 499 #ifdef USE_PTHREAD
 500 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 501 #endif
 502
 503 static void mimeview_free_mimeinfo(MimeView *mimeview)
 504 {
 505         gboolean defer = FALSE;
 506 #ifdef USE_PTHREAD
 507         defer = (mimeview->check_data != NULL);
 508         if (defer)
 509                 mimeview->check_data->free_after_use = TRUE;
 510 #endif
 511         if (mimeview->mimeinfo != NULL && !defer) {
 512                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 513                 mimeview->mimeinfo = NULL;
 514         } else if (defer) {
 515 #ifdef USE_PTHREAD
 516                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 517                 mimeview_check_sig_cancel_now(mimeview);
 518 #endif
 519         }
 520 }
 521
 522 void mimeview_destroy(MimeView *mimeview)
 523 {
 524         GSList *cur;
 525
 526         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 527                 MimeViewer *viewer = (MimeViewer *) cur->data;
 528                 viewer->destroy_viewer(viewer);
 529         }
 530         g_slist_free(mimeview->viewers);
 531         gtk_target_list_unref(mimeview->target_list);
 532
 533 #ifdef USE_PTHREAD
 534         if (mimeview->check_data) {
 535                 mimeview->check_data->destroy_mimeview = TRUE;
 536                 debug_print("deferring destroy\n");
 537         } else
 538 #endif
 539         {
 540                 mimeview_free_mimeinfo(mimeview);
 541                 g_free(mimeview->file);
 542                 g_free(mimeview);
 543                 mimeviews = g_slist_remove(mimeviews, mimeview);
 544         }
 545
 546 }
 547
 548 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 549 {
 550         return gtk_cmctree_node_get_row_data
 551                 (GTK_CMCTREE(mimeview->ctree), mimeview->opened);
 552 }
 553
 554 gint mimeview_get_selected_part_num(MimeView *mimeview)
 555 {
 556         gint i = 0;
 557         GList *rows = GTK_CMCLIST(mimeview->ctree)->row_list;
 558         while (rows) {
 559                 if (mimeview->opened == GTK_CMCTREE_NODE(rows))
 560                         return i;
 561                 i++;
 562                 rows = rows->next;
 563         }
 564         return -1;
 565 }
 566
 567 void mimeview_select_part_num(MimeView *mimeview, gint i)
 568 {
 569         if (i < 0)
 570                 return;
 571         gtk_cmclist_unselect_all(GTK_CMCLIST(mimeview->ctree));
 572         gtk_cmclist_select_row(GTK_CMCLIST(mimeview->ctree), i, -1);
 573         gtkut_clist_set_focus_row(GTK_CMCLIST(mimeview->ctree), i);
 574 }
 575
 576 static void mimeview_set_multipart_tree(MimeView *mimeview,
 577                                         MimeInfo *mimeinfo,
 578                                         GtkCMCTreeNode *parent)
 579 {
 580         GtkCMCTreeNode *node;
 581
 582         cm_return_if_fail(mimeinfo != NULL);
 583
 584         while (mimeinfo != NULL) {
 585                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 586
 587                 if (mimeinfo->node->children)
 588                         mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
 589                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
 590         }
 591 }
 592
 593 static const gchar *get_real_part_name(MimeInfo *partinfo)
 594 {
 595         const gchar *name = NULL;
 596
 597         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 598         if (name == NULL)
 599                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 600
 601         return name;
 602 }
 603
 604 static const gchar *get_part_name(MimeInfo *partinfo)
 605 {
 606         const gchar *name;
 607
 608         name = get_real_part_name(partinfo);
 609         if (name == NULL)
 610                 name = "";
 611
 612         return name;
 613 }
 614
 615 static const gchar *get_part_description(MimeInfo *partinfo)
 616 {
 617         if (partinfo->description)
 618                 return partinfo->description;
 619         else
 620                 return get_part_name(partinfo);
 621 }
 622
 623 static GtkCMCTreeNode *mimeview_append_part(MimeView *mimeview,
 624                                           MimeInfo *partinfo,
 625                                           GtkCMCTreeNode *parent)
 626 {
 627         GtkCMCTree *ctree = GTK_CMCTREE(mimeview->ctree);
 628         GtkCMCTreeNode *node;
 629         static gchar content_type[64];
 630         gchar *str[N_MIMEVIEW_COLS];
 631
 632         if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
 633                 g_snprintf(content_type, 64, "%s/%s", procmime_get_media_type_str(partinfo->type), partinfo->subtype);
 634         } else {
 635                 g_snprintf(content_type, 64, "UNKNOWN");
 636         }
 637
 638         str[COL_MIMETYPE] = content_type;
 639         str[COL_SIZE] = to_human_readable((goffset)partinfo->length);
 640         if (prefs_common.attach_desc)
 641                 str[COL_NAME] = (gchar *) get_part_description(partinfo);
 642         else
 643                 str[COL_NAME] = (gchar *) get_part_name(partinfo);
 644
 645         node = gtk_sctree_insert_node(ctree, parent, NULL, str, 0,
 646                                      NULL, NULL,
 647                                      FALSE, TRUE);
 648         gtk_cmctree_node_set_row_data(ctree, node, partinfo);
 649
 650         return node;
 651 }
 652
 653 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 654 {
 655         FILE *fp;
 656         const gchar *fname;
 657
 658         if (!partinfo) return;
 659
 660         fname = mimeview->file;
 661         if (!fname) return;
 662
 663         if ((fp = g_fopen(fname, "rb")) == NULL) {
 664                 FILE_OP_ERROR(fname, "fopen");
 665                 return;
 666         }
 667
 668         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 669                 FILE_OP_ERROR(mimeview->file, "fseek");
 670                 fclose(fp);
 671                 return;
 672         }
 673
 674         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 675         textview_show_part(mimeview->textview, partinfo, fp);
 676
 677         fclose(fp);
 678 }
 679
 680 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 681 {
 682         GSList *cur;
 683         MimeViewerFactory *factory = NULL;
 684         MimeViewer *viewer = NULL;
 685         gchar *real_contenttype = NULL;
 686
 687 /*
 688  * FNM_CASEFOLD is a GNU extension
 689  */
 690 #ifndef FNM_CASEFOLD
 691 #define FNM_CASEFOLD 0
 692         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 693 #else
 694         real_contenttype = g_strdup(content_type);
 695 #endif
 696
 697         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 698                 MimeViewerFactory *curfactory = cur->data;
 699                 gint i = 0;
 700
 701                 while (curfactory->content_types[i] != NULL) {
 702                         if(!fnmatch(curfactory->content_types[i], real_contenttype, FNM_CASEFOLD)) {
 703                                 debug_print("%s\n", curfactory->content_types[i]);
 704                                 factory = curfactory;
 705                                 break;
 706                         }
 707                         i++;
 708                 }
 709                 if (factory != NULL)
 710                         break;
 711         }
 712         g_free(real_contenttype);
 713         if (factory == NULL)
 714                 return NULL;
 715
 716         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 717                 MimeViewer *curviewer = cur->data;
 718
 719                 if (curviewer->factory == factory)
 720                         return curviewer;
 721         }
 722         viewer = factory->create_viewer();
 723         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 724                 GTK_WIDGET(viewer->get_widget(viewer)));
 725
 726         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 727
 728         return viewer;
 729 }
 730
 731 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 732 {
 733         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 734 }
 735
 736 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 737 {
 738         gchar *content_type = NULL;
 739         MimeViewer *viewer = NULL;
 740
 741         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 742             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 743                 const gchar *filename;
 744
 745                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 746                 if (filename == NULL)
 747                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 748                 if (filename != NULL)
 749                         content_type = procmime_get_mime_type(filename);
 750         } else {
 751                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 752         }
 753
 754         if (content_type != NULL) {
 755                 viewer = get_viewer_for_content_type(mimeview, content_type);
 756                 g_free(content_type);
 757         }
 758
 759         return viewer;
 760 }
 761
 762 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 763 {
 764         MimeViewer *viewer;
 765
 766         if (mimeview->messageview->partial_display_shown) {
 767                 noticeview_hide(mimeview->messageview->noticeview);
 768                 mimeview->messageview->partial_display_shown = FALSE;
 769         }
 770
 771         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 772         if (viewer == NULL) {
 773                 if (mimeview->mimeviewer != NULL)
 774                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 775                 mimeview->mimeviewer = NULL;
 776                 return FALSE;
 777         }
 778
 779         if (mimeview->mimeviewer != NULL)
 780                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 781
 782         if (mimeview->mimeviewer != viewer) {
 783                 mimeview->mimeviewer = viewer;
 784                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 785         }
 786         viewer->mimeview = mimeview;
 787         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 788
 789         return TRUE;
 790 }
 791
 792 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 793 {
 794         TextView  *textview  = mimeview->textview;
 795         GtkWidget *focused = NULL;
 796
 797         if (mainwindow_get_mainwindow())
 798                 focused = gtkut_get_focused_child(
 799                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 800
 801         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 802             (mimeview->type == type)) return;
 803
 804         switch (type) {
 805         case MIMEVIEW_TEXT:
 806                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 807                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 808                         GTK_WIDGET_PTR(textview)));
 809                 break;
 810         case MIMEVIEW_VIEWER:
 811                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 812                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 813                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 814                 break;
 815         default:
 816                 return;
 817         }
 818         if (focused)
 819                 gtk_widget_grab_focus(focused);
 820         mimeview->type = type;
 821 }
 822
 823 void mimeview_clear(MimeView *mimeview)
 824 {
 825         GtkCMCList *clist = NULL;
 826
 827         if (!mimeview)
 828                 return;
 829
 830         if (g_slist_find(mimeviews, mimeview) == NULL)
 831                 return;
 832
 833         clist = GTK_CMCLIST(mimeview->ctree);
 834
 835         noticeview_hide(mimeview->siginfoview);
 836
 837         gtk_cmclist_clear(clist);
 838         textview_clear(mimeview->textview);
 839         if (mimeview->mimeviewer != NULL)
 840                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 841
 842         mimeview_free_mimeinfo(mimeview);
 843
 844         mimeview->mimeinfo = NULL;
 845
 846         mimeview->opened = NULL;
 847
 848         g_free(mimeview->file);
 849         mimeview->file = NULL;
 850
 851         icon_list_clear(mimeview);
 852         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 853 }
 854
 855 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 856 static void mimeview_check_signature(MimeView *mimeview);
 857 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 858
 859 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
 860                                         gboolean special, SignatureStatus code)
 861 {
 862         gchar *text = NULL, *button_text = NULL;
 863         void  *func = NULL;
 864         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 865         SignatureStatus mycode = SIGNATURE_UNCHECKED;
 866
 867         cm_return_if_fail(mimeview != NULL);
 868         cm_return_if_fail(mimeinfo != NULL);
 869
 870         if (special)
 871                 mycode = code;
 872         else
 873                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
 874
 875         switch (mycode) {
 876         case SIGNATURE_UNCHECKED:
 877                 button_text = _("Check signature");
 878                 func = check_signature_cb;
 879                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 880                 break;
 881         case SIGNATURE_OK:
 882                 button_text = _("View full information");
 883                 func = display_full_info_cb;
 884                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 885                 break;
 886         case SIGNATURE_WARN:
 887                 button_text = _("View full information");
 888                 func = display_full_info_cb;
 889                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 890                 break;
 891         case SIGNATURE_KEY_EXPIRED:
 892                 button_text = _("View full information");
 893                 func = display_full_info_cb;
 894                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
 895                 break;
 896         case SIGNATURE_INVALID:
 897                 button_text = _("View full information");
 898                 func = display_full_info_cb;
 899                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 900                 break;
 901         case SIGNATURE_CHECK_FAILED:
 902                 button_text = _("Check again");
 903                 func = check_signature_cb;
 904                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 905         case SIGNATURE_CHECK_TIMEOUT:
 906                 button_text = _("Check again");
 907                 func = check_signature_cb;
 908                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 909         default:
 910                 break;
 911         }
 912         if (mycode == SIGNATURE_UNCHECKED) {
 913                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
 914                 text = g_strdup_printf("%s %s",
 915                         tmp, _("Click the icon or hit 'C' to check it."));
 916                 g_free(tmp);
 917         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
 918                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
 919         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
 920                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
 921         }
 922
 923         noticeview_set_text(mimeview->siginfoview, text);
 924         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
 925
 926         g_free(text);
 927         noticeview_set_button_text(mimeview->siginfoview, NULL);
 928         noticeview_set_button_press_callback(
 929                 mimeview->siginfoview,
 930                 G_CALLBACK(func),
 931                 (gpointer) mimeview);
 932         noticeview_set_icon(mimeview->siginfoview, icon);
 933         noticeview_set_tooltip(mimeview->siginfoview, button_text);
 934 }
 935
 936 #ifdef USE_PTHREAD
 937
 938 /* reset all thread stuff, and do the cleanups we've been left to do */
 939 static void mimeview_check_data_reset(MimeView *mimeview)
 940 {
 941         gboolean must_free;
 942         gboolean must_destroy;
 943
 944         if (!mimeview->check_data)
 945                 return;
 946
 947         must_free = mimeview->check_data->free_after_use;
 948         must_destroy = mimeview->check_data->destroy_mimeview;
 949
 950         if (mimeview->check_data->cancel_th) {
 951                 debug_print("killing canceller thread\n");
 952                 pthread_cancel(mimeview->check_data->cancel_th);
 953                 mimeview->check_data->cancel_th = 0;
 954         }
 955
 956         g_free(mimeview->check_data);
 957         mimeview->check_data = NULL;
 958
 959         if (must_free) {
 960                 debug_print("freeing deferred mimeinfo\n");
 961                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
 962         }
 963         if (must_destroy) {
 964                 debug_print("freeing deferred mimeview\n");
 965                 mimeview_free_mimeinfo(mimeview);
 966                 g_free(mimeview->file);
 967                 g_free(mimeview);
 968                 mimeviews = g_slist_remove(mimeviews, mimeview);
 969         }
 970
 971 }
 972
 973 /* GUI update once the checker thread is done or killed */
 974 static gboolean mimeview_check_sig_thread_cb(void *data)
 975 {
 976         MimeView *mimeview = (MimeView *) data;
 977         MimeInfo *mimeinfo = mimeview->siginfo;
 978
 979         debug_print("mimeview_check_sig_thread_cb\n");
 980
 981         if (mimeinfo == NULL) {
 982                 /* message changed !? */
 983                 g_warning("no more siginfo!\n");
 984                 goto end;
 985         }
 986
 987         if (!mimeview->check_data) {
 988                 g_warning("nothing to check\n");
 989                 return FALSE;
 990         }
 991
 992         if (mimeview->check_data->siginfo != mimeinfo) {
 993                 /* message changed !? */
 994                 g_warning("different siginfo!\n");
 995                 goto end;
 996         }
 997
 998         if (mimeview->check_data->destroy_mimeview ||
 999             mimeview->check_data->free_after_use) {
1000                 debug_print("not bothering, we're changing message\n");
1001                 goto end;
1002         }
1003
1004         /* update status */
1005         if (mimeview->check_data->timeout)
1006                 update_signature_noticeview(mimeview, mimeview->siginfo,
1007                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1008         else
1009                 update_signature_noticeview(mimeview, mimeview->siginfo,
1010                         FALSE, 0);
1011         icon_list_clear(mimeview);
1012         icon_list_create(mimeview, mimeview->mimeinfo);
1013
1014 end:
1015         mimeview_check_data_reset(mimeview);
1016         return FALSE;
1017 }
1018
1019 /* sig checker thread */
1020 static void *mimeview_check_sig_worker_thread(void *data)
1021 {
1022         MimeView *mimeview = (MimeView *)data;
1023         MimeInfo *mimeinfo = mimeview->siginfo;
1024
1025         debug_print("checking...\n");
1026
1027         if (!mimeview->check_data)
1028                 return NULL;
1029
1030         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1031                 privacy_mimeinfo_check_signature(mimeinfo);
1032                 if (mimeview->check_data->cancel_th) {
1033                         pthread_cancel(mimeview->check_data->cancel_th);
1034                         mimeview->check_data->cancel_th = 0;
1035                 }
1036         } else {
1037                 /* that's strange! we changed message without
1038                  * getting killed. */
1039                 g_warning("different siginfo!\n");
1040                 mimeview_check_data_reset(mimeview);
1041                 return NULL;
1042         }
1043
1044         /* use g_timeout so that GUI updates is done from the
1045          * correct thread */
1046         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1047
1048         return NULL;
1049 }
1050
1051 /* killer thread - acts when the checker didn't work fast
1052  * enough. */
1053 static void *mimeview_check_sig_cancel_thread(void *data)
1054 {
1055         MimeView *mimeview = (MimeView *)data;
1056
1057         if (!mimeview->check_data)
1058                 return NULL; /* nothing to kill ! */
1059
1060         /* wait for a few seconds... */
1061         debug_print("waiting a while\n");
1062
1063         sleep(5);
1064
1065         if (!mimeview->check_data)
1066                 return NULL; /* nothing to kill, it's done in time :) */
1067
1068         /* too late, go away checker thread */
1069         debug_print("killing checker thread\n");
1070         pthread_cancel(mimeview->check_data->th);
1071
1072         /* tell upstream it was a timeout */
1073         mimeview->check_data->timeout = TRUE;
1074         /* use g_timeout so that GUI updates is done from the
1075          * correct thread */
1076         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1077
1078         return NULL;
1079 }
1080
1081 /* get rid of the checker thread right now - used when changing the
1082  * displayed message for example. */
1083 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1084 {
1085         if (!mimeview->check_data)
1086                 return;
1087         debug_print("killing checker thread NOW\n");
1088         pthread_cancel(mimeview->check_data->th);
1089
1090         /* tell upstream it was a timeout */
1091         mimeview->check_data->timeout = TRUE;
1092         mimeview_check_sig_thread_cb(mimeview);
1093         return;
1094 }
1095
1096 /* creates a thread to check the signature, and a second one
1097  * to kill the first one after a timeout */
1098 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1099 {
1100         pthread_t th, th2;
1101         pthread_attr_t detach, detach2;
1102
1103         if (mimeview->check_data) {
1104                 g_warning("already checking it");
1105                 return;
1106         }
1107
1108         mimeview->check_data = g_new0(SigCheckData, 1);
1109         mimeview->check_data->siginfo = mimeview->siginfo;
1110         debug_print("creating thread\n");
1111
1112         /* init thread attributes and create the checker thread */
1113         if (pthread_attr_init(&detach) != 0 ||
1114             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1115             pthread_attr_init(&detach2) != 0 ||
1116             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1117             pthread_create(&th, &detach,
1118                         mimeview_check_sig_worker_thread,
1119                         mimeview) != 0) {
1120                 /* arh. We'll do it synchronously. */
1121                 g_warning("can't create thread");
1122                 g_free(mimeview->check_data);
1123                 mimeview->check_data = NULL;
1124                 return;
1125         } else
1126                 mimeview->check_data->th = th;
1127
1128         /* create the killer thread */
1129         pthread_create(&th2, &detach2,
1130                         mimeview_check_sig_cancel_thread,
1131                         mimeview);
1132
1133         mimeview->check_data->cancel_th = th2;
1134 }
1135 #endif
1136
1137 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1138 {
1139         MimeView *mimeview = (MimeView *) user_data;
1140         MimeInfo *mimeinfo = mimeview->siginfo;
1141
1142         if (mimeinfo == NULL)
1143                 return;
1144 #ifdef USE_PTHREAD
1145         if (mimeview->check_data)
1146                 return;
1147 #endif
1148         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1149         GTK_EVENTS_FLUSH();
1150 #ifdef USE_PTHREAD
1151         /* let's do it non-blocking */
1152         mimeview_check_sig_in_thread(mimeview);
1153         if (!mimeview->check_data) /* let's check syncronously */
1154 #endif
1155         {
1156                 debug_print("checking without thread\n");
1157                 privacy_mimeinfo_check_signature(mimeinfo);
1158                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1159                 icon_list_clear(mimeview);
1160                 icon_list_create(mimeview, mimeview->mimeinfo);
1161         }
1162 }
1163
1164 static void mimeview_check_signature(MimeView *mimeview)
1165 {
1166         check_signature_cb(NULL, mimeview);
1167 }
1168
1169 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1170 {
1171         MimeView *mimeview = (MimeView *) user_data;
1172         GtkCMCTreeNode *node = mimeview->opened;
1173         mimeview->opened = NULL;
1174         mimeview_selected(GTK_CMCTREE(mimeview->ctree), node, 0, mimeview);
1175 }
1176
1177 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1178 {
1179         MimeView *mimeview = (MimeView *) user_data;
1180         gchar *siginfo;
1181
1182         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1183         textview_set_text(mimeview->textview, siginfo);
1184         g_free(siginfo);
1185         noticeview_set_button_text(mimeview->siginfoview, NULL);
1186         noticeview_set_button_press_callback(
1187                 mimeview->siginfoview,
1188                 G_CALLBACK(redisplay_email),
1189                 (gpointer) mimeview);
1190         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1191 }
1192
1193 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1194 {
1195         MimeInfo *siginfo;
1196         MimeInfo *first_text;
1197
1198         cm_return_if_fail(mimeview != NULL);
1199         cm_return_if_fail(selected != NULL);
1200
1201         if (selected->type == MIMETYPE_MESSAGE
1202         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1203                 /* if the first text part is signed, check that */
1204                 first_text = selected;
1205                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1206                         first_text = procmime_mimeinfo_next(first_text);
1207                 }
1208                 if (first_text) {
1209                         update_signature_info(mimeview, first_text);
1210                         return;
1211                 }
1212         }
1213
1214         siginfo = selected;
1215         while (siginfo != NULL) {
1216                 if (privacy_mimeinfo_is_signed(siginfo))
1217                         break;
1218                 siginfo = procmime_mimeinfo_parent(siginfo);
1219         }
1220         mimeview->siginfo = siginfo;
1221
1222         if (siginfo == NULL) {
1223                 noticeview_hide(mimeview->siginfoview);
1224                 return;
1225         }
1226
1227         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1228         noticeview_show(mimeview->siginfoview);
1229 }
1230
1231 static void mimeview_selected(GtkCMCTree *ctree, GtkCMCTreeNode *node, gint column,
1232                               MimeView *mimeview)
1233 {
1234         MimeInfo *partinfo;
1235         if (mimeview->opened == node) return;
1236         mimeview->opened = node;
1237         mimeview->spec_part = NULL;
1238         gtk_cmctree_node_moveto(ctree, node, -1, 0.5, 0);
1239
1240         partinfo = gtk_cmctree_node_get_row_data(ctree, node);
1241         if (!partinfo) return;
1242
1243         /* ungrab the mouse event */
1244         if (gtkut_widget_has_grab(GTK_WIDGET(ctree))) {
1245                 gtk_grab_remove(GTK_WIDGET(ctree));
1246                 if (gdk_pointer_is_grabbed())
1247                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1248         }
1249
1250         mimeview->textview->default_text = FALSE;
1251
1252         update_signature_info(mimeview, partinfo);
1253
1254         if (!mimeview_show_part(mimeview, partinfo)) {
1255                 switch (partinfo->type) {
1256                 case MIMETYPE_TEXT:
1257                 case MIMETYPE_MESSAGE:
1258                 case MIMETYPE_MULTIPART:
1259                         mimeview_show_message_part(mimeview, partinfo);
1260
1261                         break;
1262                 default:
1263                         mimeview->textview->default_text = TRUE;
1264                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1265                         textview_clear(mimeview->textview);
1266                         textview_show_mime_part(mimeview->textview, partinfo);
1267                         break;
1268                 }
1269         }
1270 }
1271
1272 static void mimeview_start_drag(GtkWidget *widget, gint button,
1273                                 GdkEvent *event, MimeView *mimeview)
1274 {
1275         GdkDragContext *context;
1276         MimeInfo *partinfo;
1277
1278         cm_return_if_fail(mimeview != NULL);
1279
1280         partinfo = mimeview_get_selected_part(mimeview);
1281         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
1282
1283         context = gtk_drag_begin(widget, mimeview->target_list,
1284                                  GDK_ACTION_COPY, button, event);
1285         gtk_drag_set_icon_default(context);
1286 }
1287
1288 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1289                                     MimeView *mimeview)
1290 {
1291         GtkCMCList *clist = GTK_CMCLIST(widget);
1292         gint row, column;
1293
1294         if (!event) return FALSE;
1295
1296         if (event->button == 2 || event->button == 3) {
1297                 if (!gtk_cmclist_get_selection_info(clist, event->x, event->y,
1298                                                   &row, &column))
1299                         return FALSE;
1300                 gtk_cmclist_unselect_all(clist);
1301                 gtk_cmclist_select_row(clist, row, column);
1302                 gtkut_clist_set_focus_row(clist, row);
1303         }
1304         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1305
1306         return FALSE;
1307 }
1308
1309 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1310                                     MimeView *mimeview)
1311 {
1312         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1313         if (event->direction == GDK_SCROLL_UP) {
1314                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1315         } else {
1316                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1317         }
1318         gtk_vscrollbutton_scroll(scrollbutton);
1319         return TRUE;
1320 }
1321
1322 /* from gdkevents.c */
1323 #define DOUBLE_CLICK_TIME 250
1324
1325 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1326                                     MimeInfo *partinfo)
1327 {
1328         static MimeInfo *lastinfo;
1329         static guint32 lasttime;
1330
1331         if (event->button == 2 ||
1332             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1333                 /* call external program for image, audio or html */
1334                 mimeview_launch(mimeview, partinfo);
1335                 return TRUE;
1336         } else if (event->button == 3) {
1337                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1338                                  partinfo->type == MIMETYPE_IMAGE ||
1339                                  partinfo->type == MIMETYPE_MULTIPART))
1340                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1341                 else
1342                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1343 #ifndef G_OS_WIN32
1344                 if (partinfo &&
1345                     partinfo->type == MIMETYPE_APPLICATION &&
1346                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1347                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1348                 else
1349 #endif
1350                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1351
1352                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1353                                   "pop_partinfo", partinfo);
1354
1355                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1356                                NULL, NULL, NULL, NULL,
1357                                event->button, event->time);
1358                 return TRUE;
1359         }
1360
1361         lastinfo = partinfo;
1362         lasttime = event->time;
1363         return FALSE;
1364 }
1365
1366
1367 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1368 {
1369         mimeview_key_pressed(mimeview->ctree, event, mimeview);
1370 }
1371
1372 static void mimeview_select_next_part(MimeView *mimeview)
1373 {
1374         GtkCMCTree *ctree = GTK_CMCTREE(mimeview->ctree);
1375         GtkCMCTreeNode *node = mimeview->opened;
1376         MimeInfo *partinfo = NULL;
1377
1378 skip:
1379         node = GTK_CMCTREE_NODE_NEXT(node);
1380         if (!node)
1381                 node = gtk_cmctree_node_nth(GTK_CMCTREE(ctree), 0);
1382
1383         if (node) {
1384                 partinfo = gtk_cmctree_node_get_row_data(ctree, node);
1385                 if (partinfo->type == MIMETYPE_MULTIPART ||
1386                     (!prefs_common.show_inline_attachments && partinfo->id))
1387                         goto skip;
1388                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1389                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1390                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1391         }
1392 }
1393
1394 static void mimeview_select_prev_part(MimeView *mimeview)
1395 {
1396         GtkCMCTree *ctree = GTK_CMCTREE(mimeview->ctree);
1397         GtkCMCTreeNode *node = mimeview->opened;
1398         MimeInfo *partinfo = NULL;
1399
1400 skip:
1401         node = GTK_CMCTREE_NODE_PREV(node);
1402         if (!node)
1403                 node = gtk_cmctree_node_nth(GTK_CMCTREE(ctree), GTK_CMCLIST(ctree)->rows - 1);
1404
1405         if (node) {
1406                 partinfo = gtk_cmctree_node_get_row_data(ctree, node);
1407                 if (partinfo->type == MIMETYPE_MULTIPART)
1408                         goto skip;
1409                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1410                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1411                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1412         }
1413 }
1414
1415 #define BREAK_ON_MODIFIER_KEY() \
1416         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1417
1418 #define KEY_PRESS_EVENT_STOP() \
1419         g_signal_stop_emission_by_name(G_OBJECT(ctree), \
1420                                        "key_press_event");
1421
1422 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1423                                  MimeView *mimeview)
1424 {
1425         SummaryView *summaryview;
1426         GtkCMCTree *ctree = GTK_CMCTREE(widget);
1427
1428         if (!event) return FALSE;
1429         if (!mimeview->opened) return FALSE;
1430
1431         summaryview = mimeview->messageview->mainwin->summaryview;
1432
1433         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1434                 return FALSE;
1435
1436         switch (event->keyval) {
1437         case GDK_Page_Down:
1438         case GDK_space:
1439                 if (mimeview_scroll_page(mimeview,
1440                                          (event->state & GDK_SHIFT_MASK) != 0))
1441                         return TRUE;
1442
1443                 if (!(event->state & GDK_SHIFT_MASK))
1444                         mimeview_select_next_part(mimeview);
1445                 return TRUE;
1446         case GDK_Page_Up:
1447         case GDK_BackSpace:
1448                 mimeview_scroll_page(mimeview, TRUE);
1449                 return TRUE;
1450         case GDK_Return:
1451         case GDK_KP_Enter:
1452                 mimeview_scroll_one_line(mimeview,
1453                                          (event->state & GDK_MOD1_MASK) != 0);
1454                 return TRUE;
1455         case GDK_Up:
1456         case GDK_Down:
1457                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_Up));
1458                 return TRUE;
1459         case GDK_n:
1460         case GDK_N:
1461                 BREAK_ON_MODIFIER_KEY();
1462                 mimeview_select_next_part(mimeview);
1463                 return TRUE;
1464
1465         case GDK_p:
1466         case GDK_P:
1467                 BREAK_ON_MODIFIER_KEY();
1468                 mimeview_select_prev_part(mimeview);
1469                 return TRUE;
1470
1471         case GDK_y:
1472                 BREAK_ON_MODIFIER_KEY();
1473                 KEY_PRESS_EVENT_STOP();
1474                 mimeview_save_as(mimeview);
1475                 return TRUE;
1476         case GDK_t:
1477                 BREAK_ON_MODIFIER_KEY();
1478                 KEY_PRESS_EVENT_STOP();
1479                 mimeview_display_as_text(mimeview);
1480                 return TRUE;
1481         case GDK_l:
1482                 BREAK_ON_MODIFIER_KEY();
1483                 KEY_PRESS_EVENT_STOP();
1484                 mimeview_launch(mimeview, NULL);
1485                 return TRUE;
1486         case GDK_o:
1487                 BREAK_ON_MODIFIER_KEY();
1488                 KEY_PRESS_EVENT_STOP();
1489 #ifndef G_OS_WIN32
1490                 mimeview_open_with(mimeview);
1491 #endif
1492                 return TRUE;
1493         case GDK_c:
1494                 BREAK_ON_MODIFIER_KEY();
1495                 KEY_PRESS_EVENT_STOP();
1496                 mimeview_check_signature(mimeview);
1497                 return TRUE;
1498         case GDK_a:
1499                 BREAK_ON_MODIFIER_KEY();
1500                 KEY_PRESS_EVENT_STOP();
1501                 mimeview_select_next_part(mimeview);
1502                 return TRUE;
1503         default:
1504                 break;
1505         }
1506
1507         if (!mimeview->messageview->mainwin) return FALSE;
1508
1509         summary_pass_key_press_event(summaryview, event);
1510         return TRUE;
1511 }
1512
1513 static void mimeview_drag_data_get(GtkWidget        *widget,
1514                                    GdkDragContext   *drag_context,
1515                                    GtkSelectionData *selection_data,
1516                                    guint             info,
1517                                    guint             time,
1518                                    MimeView         *mimeview)
1519 {
1520         gchar *filename = NULL, *uriname, *tmp;
1521         MimeInfo *partinfo;
1522         gint err;
1523         gint count = 0;
1524
1525         if (!mimeview->opened) return;
1526         if (!mimeview->file) return;
1527
1528         partinfo = mimeview_get_selected_part(mimeview);
1529         if (!partinfo) return;
1530
1531         if (strlen(get_part_name(partinfo)) > 0) {
1532                 filename = g_path_get_basename(get_part_name(partinfo));
1533                 if (*filename == '\0') return;
1534         } else if (partinfo->type == MIMETYPE_MESSAGE
1535                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1536                 gchar *name = NULL;
1537                 GPtrArray *headers = NULL;
1538                 FILE *fp;
1539
1540                 fp = g_fopen(partinfo->data.filename, "rb");
1541                 fseek(fp, partinfo->offset, SEEK_SET);
1542                 headers = procheader_get_header_array_asis(fp);
1543                 if (headers) {
1544                         gint i;
1545                         for (i = 0; i < headers->len; i++) {
1546                                 Header *header = g_ptr_array_index(headers, i);
1547                                 if (procheader_headername_equal(header->name, "Subject")) {
1548                                         unfold_line(header->body);
1549                                         name = g_strconcat(header->body, ".txt", NULL);
1550                                         subst_for_filename(name);
1551                                 }
1552                         }
1553                         procheader_header_array_destroy(headers);
1554                 }
1555                 fclose(fp);
1556                 if (name)
1557                         filename = g_path_get_basename(name);
1558                 g_free(name);
1559         }
1560         if (filename == NULL)
1561                 filename = g_path_get_basename("Unnamed part");
1562
1563         if (!g_utf8_validate(filename, -1, NULL))
1564                 tmp = conv_codeset_strdup(filename,
1565                                 conv_get_locale_charset_str(),
1566                                 CS_UTF_8);
1567         else
1568                 tmp = g_strdup(filename);
1569
1570         if (tmp == NULL) {
1571                 g_warning("filename not in UTF-8");
1572                 tmp = g_strdup("Unnamed part");
1573         }
1574         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1575                                tmp, NULL);
1576
1577 check_new_file:
1578         if (is_file_exist(filename)) {
1579                 gchar *ext = NULL;
1580                 gchar *prefix = NULL;
1581                 gchar *new_name = NULL;
1582                 if (strrchr(tmp, '.')) {
1583                         prefix = g_strdup(tmp);
1584                         ext = g_strdup(strrchr(tmp, '.'));
1585                         *(strrchr(prefix, '.')) = '\0';
1586                 } else {
1587                         prefix = g_strdup(tmp);
1588                         ext = g_strdup("");
1589                 }
1590                 count++;
1591                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1592                 g_free(prefix);
1593                 g_free(ext);
1594                 g_free(filename);
1595                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1596                                new_name, NULL);
1597                 g_free(new_name);
1598                 goto check_new_file;
1599         }
1600
1601         g_free(tmp);
1602
1603         if ((err = procmime_get_part(filename, partinfo)) < 0)
1604                 alertpanel_error
1605                         (_("Couldn't save the part of multipart message: %s"),
1606                                 strerror(-err));
1607
1608         tmp = g_filename_to_uri(filename, NULL, NULL);
1609         uriname = g_strconcat(tmp, "\r\n", NULL);
1610         g_free(tmp);
1611
1612         gtk_selection_data_set(selection_data, selection_data->target, 8,
1613                                (guchar *)uriname, strlen(uriname));
1614
1615         g_free(uriname);
1616         g_free(filename);
1617 }
1618
1619 /**
1620  * Returns a filename (with path) for an attachment
1621  * \param partinfo The attachment to save
1622  * \param basedir The target directory
1623  * \param number Used for dummy filename if attachment is unnamed
1624  */
1625 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1626                                       const gchar *basedir,
1627                                       gint number)
1628 {
1629         gchar *fullname;
1630         gchar *filename;
1631
1632         filename = g_strdup(get_part_name(partinfo));
1633         if (!filename || !*filename) {
1634                 g_free(filename);
1635                 filename = g_strdup_printf("noname.%d", number);
1636         }
1637
1638         if (!g_utf8_validate(filename, -1, NULL)) {
1639                 gchar *tmp = conv_filename_to_utf8(filename);
1640                 g_free(filename);
1641                 filename = tmp;
1642         }
1643
1644         subst_for_filename(filename);
1645
1646         fullname = g_strconcat
1647                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1648                  ? &filename[1] : filename, NULL);
1649
1650         g_free(filename);
1651         filename = conv_filename_from_utf8(fullname);
1652         g_free(fullname);
1653         return filename;
1654 }
1655
1656 /**
1657  * Write a single attachment to file
1658  * \param filename Filename with path
1659  * \param partinfo Attachment to save
1660  */
1661 static gboolean mimeview_write_part(const gchar *filename,
1662                                     MimeInfo *partinfo)
1663 {
1664         gchar *dir;
1665         gint err;
1666
1667         dir= g_path_get_dirname(filename);
1668         if (!is_dir_exist(dir))
1669                 make_dir_hier(dir);
1670         g_free(dir);
1671
1672         if (is_file_exist(filename)) {
1673                 AlertValue aval;
1674                 gchar *res;
1675                 gchar *tmp;
1676
1677                 if (!g_utf8_validate(filename, -1, NULL))
1678                         tmp = conv_filename_to_utf8(filename);
1679                 else
1680                         tmp = g_strdup(filename);
1681
1682                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1683                                       tmp);
1684                 g_free(tmp);
1685                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1686                                   GTK_STOCK_OK, NULL);
1687                 g_free(res);
1688                 if (G_ALERTALTERNATE != aval) return FALSE;
1689         }
1690
1691         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1692                 alertpanel_error
1693                         (_("Couldn't save the part of multipart message: %s"),
1694                                 strerror(-err));
1695                 return FALSE;
1696         }
1697
1698         return TRUE;
1699 }
1700
1701 /**
1702  * Menu callback: Save all attached files
1703  * \param mimeview Current display
1704  */
1705 static void mimeview_save_all(MimeView *mimeview)
1706 {
1707         MimeInfo *partinfo;
1708         gchar *dirname;
1709         gchar *startdir = NULL;
1710         gint number = 1;
1711
1712         if (!mimeview->opened) return;
1713         if (!mimeview->file) return;
1714         if (!mimeview->mimeinfo) return;
1715
1716         partinfo = mimeview->mimeinfo;
1717         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1718                 startdir = g_strconcat(prefs_common.attach_save_dir,
1719                                        G_DIR_SEPARATOR_S, NULL);
1720         else
1721                 startdir = g_strdup(get_home_dir());
1722
1723         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1724         if (!dirname) {
1725                 g_free(startdir);
1726                 return;
1727         }
1728
1729         if (!is_dir_exist (dirname)) {
1730                 alertpanel_error(_("'%s' is not a directory."),
1731                                  dirname);
1732                 g_free(startdir);
1733                 g_free(dirname);
1734                 return;
1735         }
1736
1737         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1738                 dirname[strlen(dirname)-1] = '\0';
1739
1740         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1741         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1742                 partinfo = procmime_mimeinfo_next(partinfo);
1743         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1744                 partinfo = procmime_mimeinfo_next(partinfo);
1745                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1746                         partinfo = procmime_mimeinfo_next(partinfo);
1747         }
1748
1749         while (partinfo != NULL) {
1750                 if (partinfo->type != MIMETYPE_MESSAGE &&
1751                     partinfo->type != MIMETYPE_MULTIPART &&
1752                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1753                      || get_real_part_name(partinfo) != NULL)) {
1754                         gchar *filename = mimeview_get_filename_for_part
1755                                 (partinfo, dirname, number++);
1756
1757                         mimeview_write_part(filename, partinfo);
1758                         g_free(filename);
1759                 }
1760                 partinfo = procmime_mimeinfo_next(partinfo);
1761         }
1762
1763         g_free(prefs_common.attach_save_dir);
1764         g_free(startdir);
1765         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1766                                         -1, NULL, NULL, NULL);
1767         g_free(dirname);
1768 }
1769
1770 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1771 {
1772         MimeInfo *partinfo = NULL;
1773         if (mimeview->spec_part) {
1774                 partinfo = mimeview->spec_part;
1775                 mimeview->spec_part = NULL;
1776         } else {
1777                 partinfo = (MimeInfo *) g_object_get_data
1778                          (G_OBJECT(mimeview->popupmenu),
1779                          "pop_partinfo");
1780                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1781                                   "pop_partinfo", NULL);
1782                 if (!partinfo) {
1783                         partinfo = mimeview_get_selected_part(mimeview);
1784                 }
1785         }
1786
1787         return partinfo;
1788 }
1789 /**
1790  * Menu callback: Save the selected attachment
1791  * \param mimeview Current display
1792  */
1793 static void mimeview_save_as(MimeView *mimeview)
1794 {
1795         gchar *filename;
1796         gchar *filepath = NULL;
1797         gchar *filedir = NULL;
1798         MimeInfo *partinfo;
1799         gchar *partname = NULL;
1800
1801         if (!mimeview->opened) return;
1802         if (!mimeview->file) return;
1803
1804         partinfo = mimeview_get_part_to_use(mimeview);
1805
1806         cm_return_if_fail(partinfo != NULL);
1807
1808         if (get_part_name(partinfo) == NULL) {
1809                 return;
1810         }
1811         partname = g_strdup(get_part_name(partinfo));
1812
1813         if (!g_utf8_validate(partname, -1, NULL)) {
1814                 gchar *tmp = conv_filename_to_utf8(partname);
1815                 if (!tmp) {
1816                         tmp = conv_codeset_strdup(partname,
1817                                 conv_get_locale_charset_str(),
1818                                 CS_UTF_8);
1819                 }
1820                 if (tmp) {
1821                         g_free(partname);
1822                         partname = tmp;
1823                 }
1824         }
1825
1826         subst_for_filename(partname);
1827
1828         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1829                 filepath = g_strconcat(prefs_common.attach_save_dir,
1830                                        G_DIR_SEPARATOR_S, partname, NULL);
1831         else
1832                 filepath = g_strdup(partname);
1833
1834         g_free(partname);
1835
1836         filename = filesel_select_file_save(_("Save as"), filepath);
1837         if (!filename) {
1838                 g_free(filepath);
1839                 return;
1840         }
1841
1842         mimeview_write_part(filename, partinfo);
1843
1844         filedir = g_path_get_dirname(filename);
1845         if (filedir && strcmp(filedir, ".")) {
1846                 g_free(prefs_common.attach_save_dir);
1847                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
1848         }
1849
1850         g_free(filedir);
1851         g_free(filepath);
1852 }
1853
1854 static void mimeview_display_as_text(MimeView *mimeview)
1855 {
1856         MimeInfo *partinfo;
1857
1858         if (!mimeview->opened) return;
1859
1860         partinfo = mimeview_get_part_to_use(mimeview);
1861         mimeview_select_mimepart_icon(mimeview, partinfo);
1862         cm_return_if_fail(partinfo != NULL);
1863         mimeview_show_message_part(mimeview, partinfo);
1864 }
1865
1866 static void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
1867 {
1868         gchar *filename;
1869         gint err;
1870
1871         if (!mimeview->opened) return;
1872         if (!mimeview->file) return;
1873
1874         if (!partinfo)
1875                 partinfo = mimeview_get_part_to_use(mimeview);
1876
1877         cm_return_if_fail(partinfo != NULL);
1878
1879         filename = procmime_get_tmp_file_name(partinfo);
1880
1881         if ((err = procmime_get_part(filename, partinfo)) < 0)
1882                 alertpanel_error
1883                         (_("Couldn't save the part of multipart message: %s"),
1884                                 strerror(-err));
1885         else
1886                 mimeview_view_file(filename, partinfo, NULL, mimeview);
1887
1888         g_free(filename);
1889 }
1890
1891 #ifndef G_OS_WIN32
1892 static void mimeview_open_with(MimeView *mimeview)
1893 {
1894         MimeInfo *partinfo;
1895
1896         if (!mimeview) return;
1897         if (!mimeview->opened) return;
1898         if (!mimeview->file) return;
1899
1900         partinfo = mimeview_get_part_to_use(mimeview);
1901
1902         mimeview_open_part_with(mimeview, partinfo, FALSE);
1903 }
1904
1905 #ifdef MAEMO
1906 osso_context_t *get_osso_context(void);
1907 #endif
1908 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
1909 {
1910         gchar *filename;
1911         gchar *cmd;
1912         gchar *mime_command = NULL;
1913         gchar *content_type = NULL;
1914         gint err;
1915 #ifdef MAEMO
1916         DBusConnection *dbusconn;
1917         gchar *uri;
1918         int r = 0;
1919 #endif
1920         cm_return_if_fail(partinfo != NULL);
1921
1922         filename = procmime_get_tmp_file_name(partinfo);
1923
1924         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1925                 alertpanel_error
1926                         (_("Couldn't save the part of multipart message: %s"),
1927                                 strerror(-err));
1928                 g_free(filename);
1929                 return;
1930         }
1931
1932         if (!prefs_common.mime_open_cmd_history)
1933                 prefs_common.mime_open_cmd_history =
1934                         add_history(NULL, prefs_common.mime_open_cmd);
1935
1936         if ((partinfo->type == MIMETYPE_APPLICATION) &&
1937             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
1938                 /* guess content-type from filename */
1939                 content_type = procmime_get_mime_type(filename);
1940         }
1941         if (content_type == NULL) {
1942                 content_type = procmime_get_content_type_str(partinfo->type,
1943                         partinfo->subtype);
1944         }
1945
1946 #ifdef MAEMO
1947         if (content_type != NULL) {
1948                 uri = g_filename_to_uri(filename, NULL, NULL);
1949                 dbusconn = osso_get_dbus_connection (get_osso_context());
1950 #ifdef CHINOOK
1951                 r = hildon_mime_open_file_with_mime_type (dbusconn, uri, content_type);
1952 #else
1953                 r = osso_mime_open_file_with_mime_type (dbusconn, uri, content_type);
1954 #endif
1955                 g_free(uri);
1956         }
1957         if (r != 1) {
1958                 alertpanel_error(_("No registered viewer for this file type."));
1959         }
1960         goto out;
1961 #endif
1962
1963         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
1964         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
1965                 mime_command = g_strdup(prefs_common_get_uri_cmd());
1966                 g_free(content_type);
1967                 content_type = NULL;
1968         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
1969         ||  !prefs_common_get_ext_editor_cmd()[0]) {
1970                 mime_command = mailcap_get_command_for_type(content_type, filename);
1971         } else {
1972                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
1973                 g_free(content_type);
1974                 content_type = NULL;
1975         }
1976         if (mime_command == NULL) {
1977                 /* try with extension this time */
1978                 g_free(content_type);
1979                 content_type = procmime_get_mime_type(filename);
1980                 mime_command = mailcap_get_command_for_type(content_type, filename);
1981         }
1982
1983         if (mime_command == NULL)
1984                 automatic = FALSE;
1985
1986         if (!automatic) {
1987                 gboolean remember = FALSE;
1988                 if (content_type != NULL)
1989                         cmd = input_dialog_combo_remember
1990                                 (_("Open with"),
1991                                  _("Enter the command-line to open file:\n"
1992                                    "('%s' will be replaced with file name)"),
1993                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1994                                  prefs_common.mime_open_cmd_history, &remember);
1995                 else
1996                         cmd = input_dialog_combo
1997                                 (_("Open with"),
1998                                  _("Enter the command-line to open file:\n"
1999                                    "('%s' will be replaced with file name)"),
2000                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2001                                  prefs_common.mime_open_cmd_history);
2002                 if (cmd && remember) {
2003                         mailcap_update_default(content_type, cmd);
2004                 }
2005                 g_free(mime_command);
2006         } else {
2007                 cmd = mime_command;
2008         }
2009         if (cmd) {
2010                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2011                 g_free(prefs_common.mime_open_cmd);
2012                 prefs_common.mime_open_cmd = cmd;
2013                 prefs_common.mime_open_cmd_history =
2014                         add_history(prefs_common.mime_open_cmd_history, cmd);
2015         }
2016 #ifdef MAEMO
2017 out:
2018 #endif
2019         g_free(content_type);
2020         g_free(filename);
2021 }
2022 #endif
2023
2024 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2025                                const gchar *cmd, MimeView *mimeview)
2026 {
2027 #ifndef G_OS_WIN32
2028         gchar *p;
2029         gchar buf[BUFFSIZE];
2030         if (cmd == NULL)
2031                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2032         else {
2033                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2034                     !strchr(p + 2, '%')) {
2035                         g_snprintf(buf, sizeof(buf), cmd, filename);
2036                         if (!prefs_common.save_parts_readwrite)
2037                                 g_chmod(filename, S_IRUSR);
2038                         else
2039                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2040                 } else {
2041                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2042                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2043                 }
2044                 if (execute_command_line(buf, TRUE) != 0) {
2045                         if (!prefs_common.save_parts_readwrite)
2046                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2047                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2048                 }
2049         }
2050 #else
2051         SHFILEINFO file_info;
2052         if ((SHGetFileInfo(filename, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2053                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2054                                       _("This attachment is an executable file. Executing "
2055                                         "untrusted binaries is dangerous and could probably "
2056                                         "lead to compromission of your computer.\n\n"
2057                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2058                                         _("Run binary"),
2059                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2060                 if (val == G_ALERTALTERNATE) {
2061                         debug_print("executing binary\n");
2062                         ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2063                 }
2064         } else
2065                 ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2066
2067 #endif
2068 }
2069
2070 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2071 {
2072         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2073 }
2074
2075 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2076 {
2077         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2078 }
2079
2080 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2081 {
2082         GSList *mimeview_list, *viewer_list;
2083
2084         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2085                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2086
2087                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2088                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2089                         mimeview->mimeviewer = NULL;
2090                 }
2091
2092                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2093                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2094
2095                         mimeviewer->destroy_viewer(mimeviewer);
2096                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2097                 }
2098         }
2099
2100         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2101 }
2102
2103 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2104 {
2105         gint      num;
2106         MimeInfo *partinfo;
2107
2108         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2109         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2110
2111         if (event->button == 1) {
2112                 icon_selected(mimeview, num, partinfo);
2113                 gtk_widget_grab_focus(button);
2114         }
2115         part_button_pressed(mimeview, event, partinfo);
2116         icon_list_toggle_by_mime_info(mimeview, partinfo);
2117
2118         return FALSE;
2119 }
2120
2121 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2122 {
2123         GtkCMCTreeNode *node;
2124         node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(mimeview->ctree), NULL, partinfo);
2125
2126         if (node)
2127                 gtk_cmctree_select(GTK_CMCTREE(mimeview->ctree), node);
2128 }
2129
2130 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2131 {
2132         icon_list_toggle_by_mime_info(mimeview, partinfo);
2133         icon_selected(mimeview, -1, partinfo);
2134 }
2135
2136 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2137                              MimeView *mimeview)
2138 {
2139         gint          num;
2140         MimeInfo     *partinfo;
2141         SummaryView  *summaryview;
2142         TextView     *textview;
2143
2144         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2145         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2146
2147         if (!event) return FALSE;
2148
2149         textview = mimeview->textview;
2150
2151         switch (event->keyval) {
2152         case GDK_space:
2153                 if (mimeview_scroll_page(mimeview, FALSE))
2154                         return TRUE;
2155
2156                 mimeview_select_next_part(mimeview);
2157                 return TRUE;
2158
2159                 break;
2160         case GDK_BackSpace:
2161                 mimeview_scroll_page(mimeview, TRUE);
2162                 return TRUE;
2163         case GDK_Return:
2164         case GDK_KP_Enter:
2165                 mimeview_scroll_one_line(mimeview,
2166                                          (event->state & GDK_MOD1_MASK) != 0);
2167                 return TRUE;
2168
2169         case GDK_n:
2170         case GDK_N:
2171                 BREAK_ON_MODIFIER_KEY();
2172                 mimeview_select_next_part(mimeview);
2173                 return TRUE;
2174
2175         case GDK_p:
2176         case GDK_P:
2177                 BREAK_ON_MODIFIER_KEY();
2178                 mimeview_select_prev_part(mimeview);
2179                 break;
2180
2181         case GDK_y:
2182                 BREAK_ON_MODIFIER_KEY();
2183                 mimeview_save_as(mimeview);
2184                 return TRUE;
2185         case GDK_t:
2186                 BREAK_ON_MODIFIER_KEY();
2187                 mimeview_display_as_text(mimeview);
2188                 return TRUE;
2189         case GDK_l:
2190                 BREAK_ON_MODIFIER_KEY();
2191                 mimeview_launch(mimeview, NULL);
2192                 return TRUE;
2193 #ifndef G_OS_WIN32
2194         case GDK_o:
2195                 BREAK_ON_MODIFIER_KEY();
2196                 mimeview_open_with(mimeview);
2197                 return TRUE;
2198 #endif
2199         case GDK_c:
2200                 BREAK_ON_MODIFIER_KEY();
2201                 mimeview_check_signature(mimeview);
2202                 return TRUE;
2203         case GDK_a:
2204                 BREAK_ON_MODIFIER_KEY();
2205                 mimeview_select_next_part(mimeview);
2206                 return TRUE;
2207         default:
2208                 break;
2209         }
2210
2211         if (!mimeview->messageview->mainwin) return FALSE;
2212         summaryview = mimeview->messageview->mainwin->summaryview;
2213         return summary_pass_key_press_event(summaryview, event);
2214 }
2215
2216 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2217 {
2218         MimeView *mimeview = (MimeView *)data;
2219         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2220
2221         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2222                           "pop_partinfo", partinfo);
2223         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2224                        NULL, NULL, NULL, NULL,
2225                        0, gtk_get_current_event_time());
2226         return TRUE;
2227 }
2228
2229 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2230 {
2231         GtkWidget *pixmap = NULL;
2232         GtkWidget *vbox;
2233         GtkWidget *button;
2234         gchar *tip;
2235         gchar *tiptmp;
2236         const gchar *desc = NULL;
2237         gchar *sigshort = NULL;
2238         gchar *content_type;
2239         StockPixmap stockp;
2240         MimeInfo *partinfo;
2241         MimeInfo *siginfo = NULL;
2242         MimeInfo *encrypted = NULL;
2243 #ifdef GENERIC_UMPC
2244         GtkRequisition r;
2245 #endif
2246 #if !(GTK_CHECK_VERSION(2,12,0))
2247         GtkTooltips *tips = mimeview->tooltips;
2248 #endif
2249
2250         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2251                 return;
2252
2253         vbox = mimeview->icon_vbox;
2254         mimeview->icon_count++;
2255         button = gtk_event_box_new();
2256
2257         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2258                          G_CALLBACK(mimeview_visi_notify), mimeview);
2259         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2260                          G_CALLBACK(mimeview_leave_notify), mimeview);
2261         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2262                          G_CALLBACK(mimeview_enter_notify), mimeview);
2263
2264         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2265         g_object_set_data(G_OBJECT(button), "icon_number",
2266                           GINT_TO_POINTER(mimeview->icon_count));
2267         g_object_set_data(G_OBJECT(button), "partinfo",
2268                           mimeinfo);
2269
2270         switch (mimeinfo->type) {
2271
2272         case MIMETYPE_TEXT:
2273                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2274                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2275                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2276                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2277                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2278                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2279                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2280                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2281                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2282                 else
2283                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2284                 break;
2285         case MIMETYPE_MESSAGE:
2286                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2287                 break;
2288         case MIMETYPE_APPLICATION:
2289                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2290                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2291                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2292                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2293                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2294                         stockp = STOCK_PIXMAP_MIME_PDF;
2295                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2296                         stockp = STOCK_PIXMAP_MIME_PS;
2297                 else
2298                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2299                 break;
2300         case MIMETYPE_IMAGE:
2301                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2302                 break;
2303         case MIMETYPE_AUDIO:
2304                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2305                 break;
2306         default:
2307                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2308                 break;
2309         }
2310
2311         partinfo = mimeinfo;
2312         while (partinfo != NULL) {
2313                 if (privacy_mimeinfo_is_signed(partinfo)) {
2314                         siginfo = partinfo;
2315                         break;
2316                 }
2317                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2318                         encrypted = partinfo;
2319                         break;
2320                 }
2321                 partinfo = procmime_mimeinfo_parent(partinfo);
2322         }
2323
2324         if (siginfo != NULL) {
2325                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2326                 case SIGNATURE_UNCHECKED:
2327                 case SIGNATURE_CHECK_FAILED:
2328                 case SIGNATURE_CHECK_TIMEOUT:
2329                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2330                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2331                         break;
2332                 case SIGNATURE_OK:
2333                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2334                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2335                         break;
2336                 case SIGNATURE_WARN:
2337                 case SIGNATURE_KEY_EXPIRED:
2338                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2339                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2340                         break;
2341                 case SIGNATURE_INVALID:
2342                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2343                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2344                         break;
2345                 }
2346                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2347         } else if (encrypted != NULL) {
2348                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2349                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2350         } else {
2351                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2352                                                           OVERLAY_NONE, 6, 3);
2353         }
2354         gtk_container_add(GTK_CONTAINER(button), pixmap);
2355         if (!desc) {
2356                 if (prefs_common.attach_desc)
2357                         desc = get_part_description(mimeinfo);
2358                 else
2359                         desc = get_part_name(mimeinfo);
2360         }
2361
2362         content_type = procmime_get_content_type_str(mimeinfo->type,
2363                                                      mimeinfo->subtype);
2364
2365 #if GTK_CHECK_VERSION(2,12,0)
2366         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2367                           "\n<b>", _("Size:"), " </b>",
2368                           to_human_readable((goffset)mimeinfo->length), NULL);
2369 #else
2370         tip = g_strconcat(_("Type:"), " ", content_type,
2371                           "\n", _("Size:"), " ",
2372                           to_human_readable((goffset)mimeinfo->length), NULL);
2373 #endif
2374         g_free(content_type);
2375         if (desc && *desc) {
2376                 gchar *tmp = NULL;
2377                 if (!g_utf8_validate(desc, -1, NULL)) {
2378                         tmp = conv_filename_to_utf8(desc);
2379                 } else {
2380                         tmp = g_strdup(desc);
2381                 }
2382 #if GTK_CHECK_VERSION(2,12,0)
2383                 tiptmp = g_strconcat(tip, "\n<b>",
2384                                 prefs_common.attach_desc && mimeinfo->description ?
2385                                 _("Description:") : _("Filename:"),
2386                                 " </b>", tmp, NULL);
2387 #else
2388                 tiptmp = g_strconcat(tip, "\n",
2389                                 prefs_common.attach_desc && mimeinfo->description ?
2390                                 _("Description:") : _("Filename:"),
2391                                 " ", tmp, NULL);
2392 #endif
2393                 g_free(tip);
2394                 tip = tiptmp;
2395                 g_free(tmp);
2396         }
2397         if (sigshort && *sigshort) {
2398                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
2399                 g_free(tip);
2400                 tip = tiptmp;
2401         }
2402         g_free(sigshort);
2403
2404 #if GTK_CHECK_VERSION(2,12,0)
2405         gtk_widget_set_tooltip_markup(button, tip);
2406 #else
2407         CLAWS_SET_TIP(button, tip);
2408 #endif
2409         g_free(tip);
2410         gtk_widget_show_all(button);
2411         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2412                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2413 #ifndef MAEMO
2414         g_signal_connect(G_OBJECT(button), "popup-menu",
2415                          G_CALLBACK(icon_popup_menu), mimeview);
2416 #else
2417         gtk_widget_tap_and_hold_setup(GTK_WIDGET(button), NULL, NULL,
2418                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
2419         g_signal_connect(G_OBJECT(button), "tap-and-hold",
2420                          G_CALLBACK(icon_popup_menu), mimeview);
2421 #endif
2422         g_signal_connect(G_OBJECT(button), "button_release_event",
2423                          G_CALLBACK(icon_clicked_cb), mimeview);
2424         g_signal_connect(G_OBJECT(button), "key_press_event",
2425                          G_CALLBACK(icon_key_pressed), mimeview);
2426         g_signal_connect(G_OBJECT(button), "drag_data_get",
2427                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2428         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2429 #ifdef GENERIC_UMPC
2430         gtk_widget_size_request(pixmap, &r);
2431         gtk_widget_set_size_request(button, -1, r.height + 4);
2432 #endif
2433
2434 }
2435
2436 static void icon_list_clear (MimeView *mimeview)
2437 {
2438         GList     *child, *orig;
2439         GtkAdjustment *adj;
2440
2441         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2442         for (child = orig; child != NULL; child = g_list_next(child)) {
2443                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2444                                        GTK_WIDGET(child->data));
2445         }
2446         g_list_free(orig);
2447         mimeview->icon_count = 0;
2448         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2449         gtk_adjustment_set_value(adj, adj->lower);
2450         gtk_adjustment_changed(adj);
2451 }
2452
2453 /*!
2454  *\brief        Used to 'click' the next or previous icon.
2455  *
2456  *\return       true if the icon 'number' exists and was selected.
2457  */
2458 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2459                                          GtkAllocation *size, MimeView *mimeview)
2460 {
2461         GtkAllocation *mainbox_size;
2462         GtkAllocation *vbox_size;
2463         GtkAllocation *layout_size;
2464         GtkAdjustment *adj;
2465
2466         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2467
2468         mainbox_size = &mimeview->icon_mainbox->allocation;
2469         vbox_size = &mimeview->icon_vbox->allocation;
2470         layout_size = &mimeview->icon_scroll->allocation;
2471
2472         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2473                             GTK_LAYOUT(mimeview->icon_scroll)->width,
2474                             MAX(vbox_size->height, layout_size->height));
2475         adj->step_increment = 10;
2476 }
2477
2478 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2479 {
2480         GtkRequisition size;
2481
2482         cm_return_if_fail(mimeinfo != NULL);
2483
2484         while (mimeinfo != NULL) {
2485                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2486                         icon_list_append_icon(mimeview, mimeinfo);
2487                 if (mimeinfo->node->children != NULL)
2488                         icon_list_create(mimeview,
2489                                 (MimeInfo *) mimeinfo->node->children->data);
2490                 mimeinfo = mimeinfo->node->next != NULL
2491                          ? (MimeInfo *) mimeinfo->node->next->data
2492                          : NULL;
2493         }
2494         gtk_widget_size_request(mimeview->icon_vbox, &size);
2495         if (size.width > mimeview->icon_mainbox->requisition.width) {
2496                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2497                                             size.width, -1);
2498         }
2499 }
2500
2501 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2502                                            MimeInfo     *mimeinfo)
2503 {
2504         GList *child;
2505
2506         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2507         for (; child != NULL; child = g_list_next(child)) {
2508                 if (!GTK_IS_EVENT_BOX(child->data))
2509                         continue;
2510                 if(g_object_get_data(G_OBJECT(child->data),
2511                                       "partinfo") == (gpointer)mimeinfo) {
2512                         gboolean *highlight = NULL;
2513                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2514                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2515                         *highlight = TRUE;
2516                         gtk_widget_queue_draw(icon);
2517                 } else {
2518                         gint *highlight = NULL;
2519                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2520                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2521                         *highlight = FALSE;
2522                         gtk_widget_queue_draw(icon);
2523                 }
2524         }
2525 }
2526
2527 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2528                                     MimeView *mimeview)
2529 {
2530         g_object_ref(button);
2531
2532         mimeview_leave_notify(button, NULL, NULL);
2533
2534         mimeview->ctree_mode = !mimeview->ctree_mode;
2535         if (mimeview->ctree_mode) {
2536                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2537                                         GTK_SHADOW_NONE);
2538                 gtk_widget_hide(mimeview->icon_mainbox);
2539                 gtk_widget_show(mimeview->ctree_mainbox);
2540                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
2541
2542                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2543                                         button);
2544                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2545                                    button, FALSE, FALSE, 0);
2546         } else {
2547                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2548                               GTK_SHADOW_NONE);
2549                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
2550                 gtk_widget_hide(mimeview->ctree_mainbox);
2551                 gtk_widget_show(mimeview->icon_mainbox);
2552                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2553
2554                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2555                                         button);
2556                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2557                                    button, FALSE, FALSE, 0);
2558                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
2559                 if (mimeview->opened)
2560                         icon_list_toggle_by_mime_info
2561                                 (mimeview, gtk_cmctree_node_get_row_data(GTK_CMCTREE(mimeview->ctree),
2562                                                                        mimeview->opened));
2563
2564         }
2565         g_object_unref(button);
2566         return TRUE;
2567 }
2568
2569 void mimeview_update (MimeView *mimeview) {
2570         if (mimeview && mimeview->mimeinfo) {
2571                 icon_list_clear(mimeview);
2572                 icon_list_create(mimeview, mimeview->mimeinfo);
2573         }
2574 }
2575
2576 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2577 {
2578         MessageView *msgview = NULL;
2579         MainWindow *mainwin = NULL;
2580
2581         if (!cmd)
2582                 return;
2583
2584         msgview = mimeview->messageview;
2585         if (!msgview)
2586                 return;
2587
2588         mainwin = msgview->mainwin;
2589         if (!mainwin)
2590                 return;
2591
2592         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2593                           "pop_partinfo", NULL);
2594
2595         if (!strcmp(cmd, "sc://view_log"))
2596                 log_window_show(mainwin->logwin);
2597         else if (!strcmp(cmd, "sc://save_as"))
2598                 mimeview_save_as(mimeview);
2599         else if (!strcmp(cmd, "sc://display_as_text"))
2600                 mimeview_display_as_text(mimeview);
2601 #ifndef G_OS_WIN32
2602         else if (!strcmp(cmd, "sc://open_with"))
2603                 mimeview_open_with(mimeview);
2604 #endif
2605         else if (!strcmp(cmd, "sc://open"))
2606                 mimeview_launch(mimeview, NULL);
2607         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2608                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2609                 icon_selected(mimeview, -1, (MimeInfo *)data);
2610         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2611                 mimeview_launch(mimeview, (MimeInfo *)data);
2612         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2613                 mimeview->spec_part = (MimeInfo *)data;
2614                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2615         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2616                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2617                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2618                 gtk_toggle_button_set_active(
2619                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2620                                 TRUE);
2621                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2622                                 QUICK_SEARCH_EXTENDED, buf);
2623                 g_free(buf);
2624         }
2625 }
2626
2627 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2628 {
2629         if (mimeview->type == MIMEVIEW_TEXT)
2630                 return textview_scroll_page(mimeview->textview, up);
2631         else if (mimeview->mimeviewer) {
2632                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2633                 if (mimeviewer->scroll_page)
2634                         return mimeviewer->scroll_page(mimeviewer, up);
2635         }
2636         return TRUE;
2637 }
2638
2639 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2640 {
2641         if (mimeview->type == MIMEVIEW_TEXT)
2642                 textview_scroll_one_line(mimeview->textview, up);
2643         else if (mimeview->mimeviewer) {
2644                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2645                 if (mimeviewer->scroll_one_line)
2646                         mimeviewer->scroll_one_line(mimeviewer, up);
2647         }
2648 }