src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 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 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <gtk/gtk.h>
  31 #include <stdio.h>
  32 #include <sys/types.h>
  33 #include <sys/stat.h>
  34
  35 #ifndef HAVE_APACHE_FNMATCH
  36 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  37  * fnmatch.h */
  38 #include <fnmatch.h>
  39 #endif
  40
  41 #include "main.h"
  42 #include "mimeview.h"
  43 #include "textview.h"
  44 #include "procmime.h"
  45 #include "summaryview.h"
  46 #include "menu.h"
  47 #include "filesel.h"
  48 #include "alertpanel.h"
  49 #include "inputdialog.h"
  50 #include "utils.h"
  51 #include "gtkutils.h"
  52 #include "prefs_common.h"
  53 #include "procheader.h"
  54 #include "stock_pixmap.h"
  55 #include "gtk/gtkvscrollbutton.h"
  56 #include "gtk/logwindow.h"
  57 #include "timing.h"
  58 #include "manage_window.h"
  59 #include "privacy.h"
  60
  61 #ifdef MAEMO
  62 #include <libosso.h>
  63 #ifndef CHINOOK
  64 #include <osso-mime.h>
  65 #else
  66 #include <hildon-mime.h>
  67 #endif
  68 #endif
  69
  70 typedef enum
  71 {
  72         COL_MIMETYPE = 0,
  73         COL_SIZE     = 1,
  74         COL_NAME     = 2,
  75         COL_DATA     = 3,
  76 } MimeViewColumnPos;
  77
  78 #define N_MIMEVIEW_COLS 4
  79
  80 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  81                                                  MimeInfo       *mimeinfo,
  82                                                  GtkTreeIter    *parent);
  83 static void mimeview_show_message_part          (MimeView       *mimeview,
  84                                                  MimeInfo       *partinfo);
  85 static void mimeview_change_view_type           (MimeView       *mimeview,
  86                                                  MimeViewType    type);
  87 static gchar *mimeview_get_filename_for_part            (MimeInfo       *partinfo,
  88                                                  const gchar    *basedir,
  89                                                  gint            number);
  90 static gboolean mimeview_write_part             (const gchar    *filename,
  91                                                  MimeInfo       *partinfo);
  92
  93 static void mimeview_selected           (GtkTreeSelection       *selection,
  94                                          MimeView       *mimeview);
  95 static gint mimeview_button_pressed     (GtkWidget      *widget,
  96                                          GdkEventButton *event,
  97                                          MimeView       *mimeview);
  98 static gint mimeview_key_pressed        (GtkWidget      *widget,
  99                                          GdkEventKey    *event,
 100                                          MimeView       *mimeview);
 101
 102 static void mimeview_drag_data_get      (GtkWidget        *widget,
 103                                          GdkDragContext   *drag_context,
 104                                          GtkSelectionData *selection_data,
 105                                          guint             info,
 106                                          guint             time,
 107                                          MimeView         *mimeview);
 108
 109 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 110                                          GdkEventScroll *event,
 111                                          MimeView       *mimeview);
 112
 113 static void mimeview_save_all           (MimeView       *mimeview);
 114 #ifndef G_OS_WIN32
 115 static void mimeview_open_part_with     (MimeView       *mimeview,
 116                                          MimeInfo       *partinfo,
 117                                          gboolean        automatic);
 118 #endif
 119 static void mimeview_send_to            (MimeView       *mimeview,
 120                                          MimeInfo       *partinfo);
 121 static void mimeview_view_file          (const gchar    *filename,
 122                                          MimeInfo       *partinfo,
 123                                          const gchar    *cmd,
 124                                          MimeView       *mimeview);
 125 static gboolean icon_clicked_cb         (GtkWidget      *button,
 126                                          GdkEventButton *event,
 127                                          MimeView       *mimeview);
 128 static void icon_selected               (MimeView       *mimeview,
 129                                          gint            num,
 130                                          MimeInfo       *partinfo);
 131 static gint icon_key_pressed            (GtkWidget      *button,
 132                                          GdkEventKey    *event,
 133                                          MimeView       *mimeview);
 134 static void icon_list_append_icon       (MimeView       *mimeview,
 135                                          MimeInfo       *mimeinfo);
 136 static void icon_list_create            (MimeView       *mimeview,
 137                                          MimeInfo       *mimeinfo);
 138 static void icon_list_clear             (MimeView       *mimeview);
 139 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 140                                            MimeInfo     *mimeinfo);
 141 static void ctree_size_allocate_cb      (GtkWidget      *widget,
 142                                          GtkAllocation  *allocation,
 143                                          MimeView       *mimeview);
 144 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 145                                     MimeView *mimeview);
 146 static gboolean part_button_pressed     (MimeView       *mimeview,
 147                                          GdkEventButton *event,
 148                                          MimeInfo       *partinfo);
 149 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 150                                          GtkAllocation  *layout_size,
 151                                          MimeView       *mimeview);
 152 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 153 static const gchar *get_part_name(MimeInfo *partinfo);
 154 static const gchar *get_part_description(MimeInfo *partinfo);
 155
 156 static void mimeview_launch_cb(GtkAction *action, gpointer data)
 157 {
 158         MimeView *mimeview = (MimeView *)data;
 159         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 160 }
 161
 162 #ifndef G_OS_WIN32
 163 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
 164 {
 165         mimeview_open_with((MimeView *)data);
 166 }
 167 #endif
 168
 169 static void mimeview_send_to_cb(GtkAction *action, gpointer data)
 170 {
 171         MimeView *mimeview = (MimeView *)data;
 172         mimeview_send_to(mimeview, mimeview_get_part_to_use(mimeview));
 173 }
 174
 175 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
 176 {
 177         mimeview_display_as_text((MimeView *)data);
 178 }
 179
 180 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
 181 {
 182         mimeview_save_as((MimeView *)data);
 183 }
 184
 185 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
 186 {
 187         mimeview_save_all((MimeView *)data);
 188 }
 189
 190 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
 191 {
 192         mimeview_select_next_part((MimeView *)data);
 193 }
 194
 195 static void mimeview_select_prev_part_cb(GtkAction *action, gpointer data)
 196 {
 197         mimeview_select_prev_part((MimeView *)data);
 198 }
 199
 200 static GtkActionEntry mimeview_menu_actions[] = {
 201         { "MimeView", NULL, "MimeView" },
 202         { "MimeView/Open", NULL, N_("_Open"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
 203 #if (!defined MAEMO && !defined G_OS_WIN32)
 204         { "MimeView/OpenWith", NULL, N_("Open _with..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
 205 #endif
 206         { "MimeView/SendTo", NULL, N_("Send to..."), NULL, "Send to", G_CALLBACK(mimeview_send_to_cb) },
 207         { "MimeView/DisplayAsText", NULL, N_("_Display as text"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
 208         { "MimeView/SaveAs", NULL, N_("_Save as..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
 209         { "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
 210         { "MimeView/NextPart", NULL, N_("Next part"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) },
 211         { "MimeView/PrevPart", NULL, N_("Previous part"), NULL, "Previous part", G_CALLBACK(mimeview_select_prev_part_cb) }
 212 };
 213
 214 static GtkTargetEntry mimeview_mime_types[] =
 215 {
 216         {"text/uri-list", 0, 0}
 217 };
 218
 219 GSList *mimeviewer_factories;
 220 GSList *mimeviews;
 221
 222 static GdkCursor *hand_cursor = NULL;
 223
 224 static gboolean mimeview_visi_notify(GtkWidget *widget,
 225                                        GdkEventVisibility *event,
 226                                        MimeView *mimeview)
 227 {
 228         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 229         return FALSE;
 230 }
 231
 232 static gboolean mimeview_leave_notify(GtkWidget *widget,
 233                                       GdkEventCrossing *event,
 234                                       MimeView *mimeview)
 235 {
 236         gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
 237         return FALSE;
 238 }
 239
 240 static gboolean mimeview_enter_notify(GtkWidget *widget,
 241                                       GdkEventCrossing *event,
 242                                       MimeView *mimeview)
 243 {
 244         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 245         return FALSE;
 246 }
 247
 248 MimeView *mimeview_create(MainWindow *mainwin)
 249 {
 250         MimeView *mimeview;
 251
 252         GtkWidget *paned;
 253         GtkWidget *scrolledwin;
 254         GtkWidget *ctree;
 255         GtkWidget *mime_notebook;
 256         GtkWidget *popupmenu;
 257         GtkWidget *ctree_mainbox;
 258         GtkWidget *vbox;
 259         GtkWidget *mime_toggle;
 260         GtkWidget *icon_mainbox;
 261         GtkWidget *icon_scroll;
 262         GtkWidget *icon_vbox;
 263         GtkWidget *arrow;
 264         GtkWidget *scrollbutton;
 265         GtkWidget *hbox;
 266         NoticeView *siginfoview;
 267         GtkRequisition r;
 268         GtkTreeStore *model;
 269         GtkCellRenderer *renderer;
 270         GtkTreeViewColumn *column;
 271         GtkTreeSelection *selection;
 272
 273         gchar *titles[N_MIMEVIEW_COLS];
 274         gint cols;
 275
 276         if (!hand_cursor)
 277                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 278
 279         debug_print("Creating MIME view...\n");
 280         mimeview = g_new0(MimeView, 1);
 281
 282         titles[COL_MIMETYPE] = _("MIME Type");
 283         titles[COL_SIZE]     = _("Size");
 284         titles[COL_NAME]     = _("Name");
 285
 286         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 287         gtk_widget_show(scrolledwin);
 288         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 289                                        GTK_POLICY_AUTOMATIC,
 290                                        GTK_POLICY_AUTOMATIC);
 291
 292         model = gtk_tree_store_new(N_MIMEVIEW_COLS,
 293                                    G_TYPE_STRING,
 294                                    G_TYPE_STRING,
 295                                    G_TYPE_STRING,
 296                                    G_TYPE_POINTER);
 297
 298         ctree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
 299         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
 300         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(ctree),
 301                                         prefs_common.use_stripes_everywhere);
 302         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
 303                                         prefs_common.show_col_headers);
 304
 305         renderer = gtk_cell_renderer_text_new();
 306         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 307                                         -1, titles[COL_MIMETYPE],renderer,
 308                                         "text", COL_MIMETYPE, NULL);
 309         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 310
 311         renderer = gtk_cell_renderer_text_new();
 312 #if(GTK_CHECK_VERSION(2,18,0))
 313         gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
 314 #endif
 315         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 316                                         -1, titles[COL_SIZE], renderer,
 317                                         "text", COL_SIZE, NULL);
 318         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 319         gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
 320
 321         renderer = gtk_cell_renderer_text_new();
 322         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 323                                         -1, titles[COL_NAME], renderer,
 324                                         "text", COL_NAME, NULL);
 325         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 326         gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
 327
 328         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
 329         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 330
 331         gtk_widget_show(ctree);
 332         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 333         gtk_drag_source_set(ctree, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
 334                             mimeview_mime_types, 1, GDK_ACTION_COPY);
 335
 336         g_signal_connect(G_OBJECT(selection), "changed",
 337                          G_CALLBACK(mimeview_selected), mimeview);
 338         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 339                          G_CALLBACK(mimeview_button_pressed), mimeview);
 340         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 341                          G_CALLBACK(mimeview_key_pressed), mimeview);
 342         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 343                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 344
 345         mime_notebook = gtk_notebook_new();
 346         gtk_widget_show(mime_notebook);
 347         gtkut_widget_set_can_focus(mime_notebook, FALSE);
 348         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 349         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 350
 351         icon_vbox = gtk_vbox_new(FALSE, 2);
 352         gtk_widget_show(icon_vbox);
 353         icon_scroll = gtk_layout_new(NULL, NULL);
 354         gtk_widget_show(icon_scroll);
 355         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 356         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 357         gtk_widget_show(scrollbutton);
 358
 359         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 360                          G_CALLBACK(mimeview_scrolled), mimeview);
 361
 362         mime_toggle = gtk_event_box_new();
 363         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 364
 365         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 366                          G_CALLBACK(mimeview_visi_notify), mimeview);
 367         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 368                          G_CALLBACK(mimeview_leave_notify), mimeview);
 369         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 370                          G_CALLBACK(mimeview_enter_notify), mimeview);
 371
 372         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 373         gtk_widget_show(mime_toggle);
 374         mimeview->ctree_mode = FALSE;
 375         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 376         gtk_widget_show(arrow);
 377         gtk_widget_size_request(arrow, &r);
 378         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 379         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 380                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 381
 382         icon_mainbox = gtk_vbox_new(FALSE, 0);
 383         gtk_widget_show(icon_mainbox);
 384         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 385         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 386         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 387         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 388         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 389                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 390
 391         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 392         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 393         g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
 394                          G_CALLBACK(ctree_size_allocate_cb), mimeview);
 395
 396         mimeview->ui_manager = gtk_ui_manager_new();
 397         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 398                         "MimeView", mimeview_menu_actions,
 399                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 400
 401         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 402         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 403                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 404         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 405                         "/Menus/MimeView/", "Open", "MimeView/Open",
 406                         GTK_UI_MANAGER_MENUITEM);
 407 #if (!defined MAEMO && !defined G_OS_WIN32)
 408         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 409                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 410                         GTK_UI_MANAGER_MENUITEM);
 411 #endif
 412         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 413                         "/Menus/MimeView/", "SendTo", "MimeView/SendTo",
 414                         GTK_UI_MANAGER_MENUITEM);
 415         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 416                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 417                         GTK_UI_MANAGER_MENUITEM);
 418         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 419                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 420                         GTK_UI_MANAGER_MENUITEM);
 421         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 422                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 423                         GTK_UI_MANAGER_MENUITEM);
 424         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 425                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 426                         GTK_UI_MANAGER_MENUITEM);
 427         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 428                         "/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
 429                         GTK_UI_MANAGER_MENUITEM);
 430
 431         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 432                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 433
 434
 435         vbox = gtk_vbox_new(FALSE, 0);
 436         gtk_widget_show(vbox);
 437         siginfoview = noticeview_create(mainwin);
 438         noticeview_hide(siginfoview);
 439         noticeview_set_icon_clickable(siginfoview, TRUE);
 440         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 441         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 442
 443         paned = gtk_vpaned_new();
 444         gtk_widget_show(paned);
 445         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 446         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 447
 448         hbox = gtk_hbox_new(FALSE, 0);
 449         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 450         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 451
 452         gtk_widget_show(hbox);
 453         gtk_widget_hide(ctree_mainbox);
 454 #ifdef GENERIC_UMPC
 455         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 456 #endif
 457         mimeview->hbox          = hbox;
 458         mimeview->paned         = paned;
 459         mimeview->scrolledwin   = scrolledwin;
 460         mimeview->ctree         = ctree;
 461         mimeview->mime_notebook = mime_notebook;
 462         mimeview->popupmenu     = popupmenu;
 463         mimeview->type          = -1;
 464         mimeview->ctree_mainbox = ctree_mainbox;
 465         mimeview->icon_scroll   = icon_scroll;
 466         mimeview->icon_vbox     = icon_vbox;
 467         mimeview->icon_mainbox  = icon_mainbox;
 468         mimeview->icon_count    = 0;
 469         mimeview->mainwin       = mainwin;
 470 #if !(GTK_CHECK_VERSION(2,12,0))
 471         mimeview->tooltips      = tips;
 472 #endif
 473         mimeview->mime_toggle   = mime_toggle;
 474         mimeview->siginfoview   = siginfoview;
 475         mimeview->scrollbutton  = scrollbutton;
 476         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 477
 478         mimeviews = g_slist_prepend(mimeviews, mimeview);
 479
 480         return mimeview;
 481 }
 482
 483 void mimeview_init(MimeView *mimeview)
 484 {
 485         textview_init(mimeview->textview);
 486
 487         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 488                 GTK_WIDGET_PTR(mimeview->textview));
 489 }
 490
 491 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 492 {
 493         while (mimeinfo) {
 494                 if (privacy_mimeinfo_is_signed(mimeinfo))
 495                         return TRUE;
 496                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 497         }
 498
 499         return FALSE;
 500 }
 501
 502 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 503                            const gchar *file)
 504 {
 505         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 506
 507         mimeview_clear(mimeview);
 508
 509         cm_return_if_fail(file != NULL);
 510         cm_return_if_fail(mimeinfo != NULL);
 511
 512         mimeview->mimeinfo = mimeinfo;
 513
 514         mimeview->file = g_strdup(file);
 515
 516         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 517                                         mimeview);
 518
 519         /* check if the mail's signed - it can change the mail structure */
 520
 521         if (any_part_is_signed(mimeinfo))
 522                 debug_print("signed mail\n");
 523
 524         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 525         gtk_tree_view_expand_all(ctree);
 526         icon_list_clear(mimeview);
 527         icon_list_create(mimeview, mimeinfo);
 528
 529         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 530                                           mimeview_selected, mimeview);
 531 }
 532
 533 #ifdef USE_PTHREAD
 534 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 535 #endif
 536
 537 static void mimeview_free_mimeinfo(MimeView *mimeview)
 538 {
 539         gboolean defer = FALSE;
 540 #ifdef USE_PTHREAD
 541         defer = (mimeview->check_data != NULL);
 542         if (defer)
 543                 mimeview->check_data->free_after_use = TRUE;
 544 #endif
 545         if (mimeview->mimeinfo != NULL && !defer) {
 546                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 547                 mimeview->mimeinfo = NULL;
 548         } else if (defer) {
 549 #ifdef USE_PTHREAD
 550                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 551                 mimeview_check_sig_cancel_now(mimeview);
 552 #endif
 553         }
 554 }
 555
 556 void mimeview_destroy(MimeView *mimeview)
 557 {
 558         GSList *cur;
 559
 560         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 561                 MimeViewer *viewer = (MimeViewer *) cur->data;
 562                 viewer->destroy_viewer(viewer);
 563         }
 564         g_slist_free(mimeview->viewers);
 565         gtk_target_list_unref(mimeview->target_list);
 566
 567 #ifdef USE_PTHREAD
 568         if (mimeview->check_data) {
 569                 mimeview->check_data->destroy_mimeview = TRUE;
 570                 debug_print("deferring destroy\n");
 571         } else
 572 #endif
 573         {
 574                 mimeview_free_mimeinfo(mimeview);
 575                 gtk_tree_path_free(mimeview->opened);
 576                 g_free(mimeview->file);
 577                 g_free(mimeview);
 578                 mimeviews = g_slist_remove(mimeviews, mimeview);
 579         }
 580
 581 }
 582
 583 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 584 {
 585         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 586         GtkTreeIter iter;
 587         GtkTreeSelection *selection;
 588         MimeInfo *partinfo = NULL;
 589
 590         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 591         if (gtk_tree_selection_get_selected(selection, NULL, &iter))
 592                 gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 593
 594         return partinfo;
 595 }
 596
 597 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 598 {
 599         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 600         GtkTreeIter iter;
 601         MimeInfo *partinfo;
 602
 603         gtk_tree_model_get_iter(model, &iter, path);
 604         gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 605         return partinfo;
 606 }
 607
 608 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 609 {
 610         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 611         GtkTreeIter iter;
 612         return !gtk_tree_model_get_iter_first(model, &iter);
 613 }
 614
 615 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 616 {
 617         GtkTreeIter iter, parent;
 618         gboolean has_parent;
 619
 620         gtk_tree_model_get_iter(model, &iter, path);
 621
 622         if (gtk_tree_model_iter_has_child(model, &iter)) {
 623                 gtk_tree_path_down(path);
 624                 return TRUE;
 625         }
 626
 627         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 628
 629         if (!gtk_tree_model_iter_next(model, &iter)) {
 630                 while (has_parent) {
 631                         GtkTreeIter saved_parent = parent;
 632                         gtk_tree_path_up(path);
 633                         if (gtk_tree_model_iter_next(model, &parent)) {
 634                                 gtk_tree_path_next(path);
 635                                 return TRUE;
 636                         } else {
 637                                 has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 638                         }
 639                 }
 640
 641         } else {
 642                 gtk_tree_path_next(path);
 643                 return TRUE;
 644         }
 645
 646         return FALSE;
 647 }
 648
 649 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 650 {
 651         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 652         GtkTreeIter iter, child, parent;
 653         gboolean has_parent;
 654
 655         gtk_tree_model_get_iter(model, &iter, path);
 656         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 657
 658         if (gtk_tree_path_prev(path)) {
 659                 gtk_tree_model_get_iter(model, &iter, path);
 660
 661                 if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 662                         gtk_tree_path_down(path);
 663
 664                         while (gtk_tree_model_iter_next(model, &child))
 665                                 gtk_tree_path_next(path);
 666                 }
 667
 668                 return TRUE;
 669         }
 670
 671         if (has_parent) {
 672                 gtk_tree_path_up(path);
 673                 return TRUE;
 674         }
 675
 676         return FALSE;
 677 }
 678
 679 gint mimeview_get_selected_part_num(MimeView *mimeview)
 680 {
 681         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 682         GtkTreeIter iter;
 683         GtkTreePath *path;
 684         gint i = 0;
 685
 686         gtk_tree_model_get_iter_first(model, &iter);
 687         path = gtk_tree_model_get_path(model, &iter);
 688
 689         do {
 690                 if (!gtk_tree_path_compare(mimeview->opened, path)) {
 691                         gtk_tree_path_free(path);
 692                         return i;
 693                 }
 694
 695                 i++;
 696         } while (mimeview_tree_next(model, path));
 697
 698         gtk_tree_path_free(path);
 699
 700         return -1;
 701 }
 702
 703 void mimeview_select_part_num(MimeView *mimeview, gint i)
 704 {
 705         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 706         GtkTreeIter iter;
 707         GtkTreePath *path;
 708         GtkTreeSelection *selection;
 709         gint x = 0;
 710
 711         if (i < 0)
 712                 return;
 713
 714         gtk_tree_model_get_iter_first(model, &iter);
 715         path = gtk_tree_model_get_path(model, &iter);
 716
 717         while (x != i) {
 718                 if (!mimeview_tree_next(model, path)) {
 719                         gtk_tree_path_free(path);
 720                         return;
 721                 }
 722                 x++;
 723         }
 724
 725         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 726         gtk_tree_selection_select_path(selection, path);
 727         gtk_tree_path_free(path);
 728 }
 729
 730 static void mimeview_set_multipart_tree(MimeView *mimeview,
 731                                         MimeInfo *mimeinfo,
 732                                         GtkTreeIter *parent)
 733 {
 734         GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 735                                         GTK_TREE_VIEW(mimeview->ctree)));
 736         GtkTreeIter iter;
 737         gchar *content_type, *length, *name;
 738
 739         cm_return_if_fail(mimeinfo != NULL);
 740
 741         while (mimeinfo != NULL) {
 742                 if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 743                         content_type = g_strdup_printf("%s/%s",
 744                                         procmime_get_media_type_str(mimeinfo->type),
 745                                         mimeinfo->subtype);
 746                 else
 747                         content_type = g_strdup("UNKNOWN");
 748
 749                 length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 750
 751                 if (prefs_common.attach_desc)
 752                         name = g_strdup(get_part_description(mimeinfo));
 753                 else
 754                         name = g_strdup(get_part_name(mimeinfo));
 755
 756                 gtk_tree_store_append(model, &iter, parent);
 757                 gtk_tree_store_set(model, &iter,
 758                                 COL_MIMETYPE, content_type,
 759                                 COL_SIZE, length,
 760                                 COL_NAME, name,
 761                                 COL_DATA, mimeinfo, -1);
 762                 g_free(content_type);
 763                 g_free(length);
 764                 g_free(name);
 765
 766                 if (mimeinfo->node->children)
 767                         mimeview_set_multipart_tree(mimeview,
 768                                 (MimeInfo *) mimeinfo->node->children->data, &iter);
 769                 mimeinfo = mimeinfo->node->next != NULL ?
 770                                 (MimeInfo *) mimeinfo->node->next->data : NULL;
 771         }
 772 }
 773
 774 static const gchar *get_real_part_name(MimeInfo *partinfo)
 775 {
 776         const gchar *name = NULL;
 777
 778         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 779         if (name == NULL)
 780                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 781
 782         return name;
 783 }
 784
 785 static const gchar *get_part_name(MimeInfo *partinfo)
 786 {
 787         const gchar *name;
 788
 789         name = get_real_part_name(partinfo);
 790         if (name == NULL)
 791                 name = "";
 792
 793         return name;
 794 }
 795
 796 static const gchar *get_part_description(MimeInfo *partinfo)
 797 {
 798         if (partinfo->description)
 799                 return partinfo->description;
 800         else
 801                 return get_part_name(partinfo);
 802 }
 803
 804 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 805 {
 806         FILE *fp;
 807         const gchar *fname;
 808
 809         if (!partinfo) return;
 810
 811         fname = mimeview->file;
 812         if (!fname) return;
 813
 814         if ((fp = g_fopen(fname, "rb")) == NULL) {
 815                 FILE_OP_ERROR(fname, "fopen");
 816                 return;
 817         }
 818
 819         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 820                 FILE_OP_ERROR(mimeview->file, "fseek");
 821                 fclose(fp);
 822                 return;
 823         }
 824
 825         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 826         textview_show_part(mimeview->textview, partinfo, fp);
 827
 828         fclose(fp);
 829 }
 830
 831 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 832 {
 833         GSList *cur;
 834         MimeViewerFactory *factory = NULL;
 835         MimeViewer *viewer = NULL;
 836         gchar *real_contenttype = NULL;
 837
 838 /*
 839  * FNM_CASEFOLD is a GNU extension
 840  */
 841 #ifndef FNM_CASEFOLD
 842 #define FNM_CASEFOLD 0
 843         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 844 #else
 845         real_contenttype = g_strdup(content_type);
 846 #endif
 847
 848         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 849                 MimeViewerFactory *curfactory = cur->data;
 850                 gint i = 0;
 851
 852                 while (curfactory->content_types[i] != NULL) {
 853                         if(!fnmatch(curfactory->content_types[i], real_contenttype, FNM_CASEFOLD)) {
 854                                 debug_print("%s\n", curfactory->content_types[i]);
 855                                 factory = curfactory;
 856                                 break;
 857                         }
 858                         i++;
 859                 }
 860                 if (factory != NULL)
 861                         break;
 862         }
 863         g_free(real_contenttype);
 864         if (factory == NULL)
 865                 return NULL;
 866
 867         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 868                 MimeViewer *curviewer = cur->data;
 869
 870                 if (curviewer->factory == factory)
 871                         return curviewer;
 872         }
 873         viewer = factory->create_viewer();
 874         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 875                 GTK_WIDGET(viewer->get_widget(viewer)));
 876
 877         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 878
 879         return viewer;
 880 }
 881
 882 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 883 {
 884         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 885 }
 886
 887 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 888 {
 889         gchar *content_type = NULL;
 890         MimeViewer *viewer = NULL;
 891
 892         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 893             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 894                 const gchar *filename;
 895
 896                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 897                 if (filename == NULL)
 898                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 899                 if (filename != NULL)
 900                         content_type = procmime_get_mime_type(filename);
 901         } else {
 902                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 903         }
 904
 905         if (content_type != NULL) {
 906                 viewer = get_viewer_for_content_type(mimeview, content_type);
 907                 g_free(content_type);
 908         }
 909
 910         return viewer;
 911 }
 912
 913 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 914 {
 915         MimeViewer *viewer;
 916
 917         if (mimeview->messageview->partial_display_shown) {
 918                 noticeview_hide(mimeview->messageview->noticeview);
 919                 mimeview->messageview->partial_display_shown = FALSE;
 920         }
 921
 922         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 923         if (viewer == NULL) {
 924                 if (mimeview->mimeviewer != NULL)
 925                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 926                 mimeview->mimeviewer = NULL;
 927                 return FALSE;
 928         }
 929
 930         if (mimeview->mimeviewer != NULL)
 931                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 932
 933         if (mimeview->mimeviewer != viewer)
 934                 mimeview->mimeviewer = viewer;
 935
 936         mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 937         viewer->mimeview = mimeview;
 938         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 939
 940         return TRUE;
 941 }
 942
 943 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 944 {
 945         TextView  *textview  = mimeview->textview;
 946         GtkWidget *focused = NULL;
 947
 948         if (mainwindow_get_mainwindow())
 949                 focused = gtkut_get_focused_child(
 950                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 951
 952         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 953             (mimeview->type == type)) return;
 954
 955         switch (type) {
 956         case MIMEVIEW_TEXT:
 957                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 958                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 959                         GTK_WIDGET_PTR(textview)));
 960                 break;
 961         case MIMEVIEW_VIEWER:
 962                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 963                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 964                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 965                 break;
 966         default:
 967                 return;
 968         }
 969         if (focused)
 970                 gtk_widget_grab_focus(focused);
 971         mimeview->type = type;
 972 }
 973
 974 void mimeview_clear(MimeView *mimeview)
 975 {
 976         GtkTreeModel *model;
 977
 978         if (!mimeview)
 979                 return;
 980
 981         if (g_slist_find(mimeviews, mimeview) == NULL)
 982                 return;
 983
 984         noticeview_hide(mimeview->siginfoview);
 985
 986         model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 987         gtk_tree_store_clear(GTK_TREE_STORE(model));
 988
 989         textview_clear(mimeview->textview);
 990         if (mimeview->mimeviewer != NULL)
 991                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 992
 993         mimeview_free_mimeinfo(mimeview);
 994
 995         mimeview->mimeinfo = NULL;
 996
 997         gtk_tree_path_free(mimeview->opened);
 998         mimeview->opened = NULL;
 999
1000         g_free(mimeview->file);
1001         mimeview->file = NULL;
1002
1003         icon_list_clear(mimeview);
1004         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1005 }
1006
1007 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
1008 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
1009
1010 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
1011                                         gboolean special, SignatureStatus code)
1012 {
1013         gchar *text = NULL, *button_text = NULL;
1014         void  *func = NULL;
1015         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1016         SignatureStatus mycode = SIGNATURE_UNCHECKED;
1017
1018         cm_return_if_fail(mimeview != NULL);
1019         cm_return_if_fail(mimeinfo != NULL);
1020
1021         if (special)
1022                 mycode = code;
1023         else
1024                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1025
1026         switch (mycode) {
1027         case SIGNATURE_UNCHECKED:
1028                 button_text = _("Check signature");
1029                 func = check_signature_cb;
1030                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1031                 break;
1032         case SIGNATURE_OK:
1033                 button_text = _("View full information");
1034                 func = display_full_info_cb;
1035                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
1036                 break;
1037         case SIGNATURE_WARN:
1038                 button_text = _("View full information");
1039                 func = display_full_info_cb;
1040                 icon = STOCK_PIXMAP_PRIVACY_WARN;
1041                 break;
1042         case SIGNATURE_KEY_EXPIRED:
1043                 button_text = _("View full information");
1044                 func = display_full_info_cb;
1045                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1046                 break;
1047         case SIGNATURE_INVALID:
1048                 button_text = _("View full information");
1049                 func = display_full_info_cb;
1050                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
1051                 break;
1052         case SIGNATURE_CHECK_FAILED:
1053         case SIGNATURE_CHECK_TIMEOUT:
1054                 button_text = _("Check again");
1055                 func = check_signature_cb;
1056                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1057                 break;
1058         default:
1059                 break;
1060         }
1061         if (mycode == SIGNATURE_UNCHECKED) {
1062                 GtkUIManager *ui_manager;
1063                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1064                 gchar *shortcut;
1065
1066                 if (mimeview->messageview->window != NULL)
1067                         ui_manager = mimeview->messageview->ui_manager;
1068                 else
1069                         ui_manager = mimeview->messageview->mainwin->ui_manager;
1070
1071                 shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/Message/CheckSignature");
1072
1073                 text = g_strdup_printf(_("%s Click the icon or hit '%s' to check it."),
1074                         tmp, shortcut);
1075                 g_free(tmp);
1076                 g_free(shortcut);
1077         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1078                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1079         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1080                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
1081         }
1082
1083         noticeview_set_text(mimeview->siginfoview, text);
1084         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1085
1086         g_free(text);
1087         noticeview_set_button_text(mimeview->siginfoview, NULL);
1088         noticeview_set_button_press_callback(
1089                 mimeview->siginfoview,
1090                 G_CALLBACK(func),
1091                 (gpointer) mimeview);
1092         noticeview_set_icon(mimeview->siginfoview, icon);
1093         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1094 }
1095
1096 #ifdef USE_PTHREAD
1097
1098 /* reset all thread stuff, and do the cleanups we've been left to do */
1099 static void mimeview_check_data_reset(MimeView *mimeview)
1100 {
1101         gboolean must_free;
1102         gboolean must_destroy;
1103
1104         if (!mimeview->check_data)
1105                 return;
1106
1107         must_free = mimeview->check_data->free_after_use;
1108         must_destroy = mimeview->check_data->destroy_mimeview;
1109
1110         if (mimeview->check_data->cancel_th_init) {
1111                 debug_print("killing canceller thread\n");
1112                 mimeview->check_data->cancel_th_init = FALSE;
1113                 pthread_cancel(mimeview->check_data->cancel_th);
1114         }
1115
1116         g_free(mimeview->check_data);
1117         mimeview->check_data = NULL;
1118
1119         if (must_free) {
1120                 debug_print("freeing deferred mimeinfo\n");
1121                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
1122         }
1123         if (must_destroy) {
1124                 debug_print("freeing deferred mimeview\n");
1125                 mimeview_free_mimeinfo(mimeview);
1126                 gtk_tree_path_free(mimeview->opened);
1127                 g_free(mimeview->file);
1128                 g_free(mimeview);
1129                 mimeviews = g_slist_remove(mimeviews, mimeview);
1130         }
1131
1132 }
1133
1134 /* GUI update once the checker thread is done or killed */
1135 static gboolean mimeview_check_sig_thread_cb(void *data)
1136 {
1137         MimeView *mimeview = (MimeView *) data;
1138         MimeInfo *mimeinfo = mimeview->siginfo;
1139
1140         debug_print("mimeview_check_sig_thread_cb\n");
1141
1142         if (mimeinfo == NULL) {
1143                 /* message changed !? */
1144                 g_warning("no more siginfo!\n");
1145                 goto end;
1146         }
1147
1148         if (!mimeview->check_data) {
1149                 g_warning("nothing to check\n");
1150                 return FALSE;
1151         }
1152
1153         if (mimeview->check_data->siginfo != mimeinfo) {
1154                 /* message changed !? */
1155                 g_warning("different siginfo!\n");
1156                 goto end;
1157         }
1158
1159         if (mimeview->check_data->destroy_mimeview ||
1160             mimeview->check_data->free_after_use) {
1161                 debug_print("not bothering, we're changing message\n");
1162                 goto end;
1163         }
1164
1165         /* update status */
1166         if (mimeview->check_data->timeout)
1167                 update_signature_noticeview(mimeview, mimeview->siginfo,
1168                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1169         else
1170                 update_signature_noticeview(mimeview, mimeview->siginfo,
1171                         FALSE, 0);
1172         icon_list_clear(mimeview);
1173         icon_list_create(mimeview, mimeview->mimeinfo);
1174
1175 end:
1176         mimeview_check_data_reset(mimeview);
1177         return FALSE;
1178 }
1179
1180 /* sig checker thread */
1181 static void *mimeview_check_sig_worker_thread(void *data)
1182 {
1183         MimeView *mimeview = (MimeView *)data;
1184         MimeInfo *mimeinfo = mimeview->siginfo;
1185
1186         debug_print("checking...\n");
1187
1188         if (!mimeview->check_data)
1189                 return NULL;
1190
1191         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1192                 privacy_mimeinfo_check_signature(mimeinfo);
1193                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1194                         mimeview->check_data->cancel_th_init = FALSE;
1195                         pthread_cancel(mimeview->check_data->cancel_th);
1196                 }
1197         } else {
1198                 /* that's strange! we changed message without
1199                  * getting killed. */
1200                 g_warning("different siginfo!\n");
1201                 mimeview_check_data_reset(mimeview);
1202                 return NULL;
1203         }
1204
1205         /* use g_timeout so that GUI updates is done from the
1206          * correct thread */
1207         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1208
1209         return NULL;
1210 }
1211
1212 /* killer thread - acts when the checker didn't work fast
1213  * enough. */
1214 static void *mimeview_check_sig_cancel_thread(void *data)
1215 {
1216         MimeView *mimeview = (MimeView *)data;
1217
1218         if (!mimeview->check_data)
1219                 return NULL; /* nothing to kill ! */
1220
1221         /* wait for a few seconds... */
1222         debug_print("waiting a while\n");
1223
1224         g_usleep(5 * 1000 * 1000);
1225
1226         if (!mimeview->check_data)
1227                 return NULL; /* nothing to kill, it's done in time :) */
1228
1229         /* too late, go away checker thread */
1230         debug_print("killing checker thread\n");
1231         if (mimeview->check_data->th_init) {
1232                 mimeview->check_data->th_init = FALSE;
1233                 pthread_cancel(mimeview->check_data->th);
1234         }
1235
1236         /* tell upstream it was a timeout */
1237         mimeview->check_data->timeout = TRUE;
1238         /* use g_timeout so that GUI updates is done from the
1239          * correct thread */
1240         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1241
1242         return NULL;
1243 }
1244
1245 /* get rid of the checker thread right now - used when changing the
1246  * displayed message for example. */
1247 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1248 {
1249         if (!mimeview->check_data)
1250                 return;
1251         debug_print("killing checker thread NOW\n");
1252         if (mimeview->check_data->th_init) {
1253                 mimeview->check_data->th_init = FALSE;
1254                 pthread_cancel(mimeview->check_data->th);
1255         }
1256
1257         /* tell upstream it was a timeout */
1258         mimeview->check_data->timeout = TRUE;
1259         mimeview_check_sig_thread_cb(mimeview);
1260         return;
1261 }
1262
1263 /* creates a thread to check the signature, and a second one
1264  * to kill the first one after a timeout */
1265 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1266 {
1267         pthread_t th, th2;
1268         pthread_attr_t detach, detach2;
1269
1270         if (mimeview->check_data) {
1271                 g_warning("already checking it");
1272                 return;
1273         }
1274
1275         mimeview->check_data = g_new0(SigCheckData, 1);
1276         mimeview->check_data->siginfo = mimeview->siginfo;
1277         debug_print("creating thread\n");
1278
1279         /* init thread attributes and create the checker thread */
1280         if (pthread_attr_init(&detach) != 0 ||
1281             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1282             pthread_attr_init(&detach2) != 0 ||
1283             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1284             pthread_create(&th, &detach,
1285                         mimeview_check_sig_worker_thread,
1286                         mimeview) != 0) {
1287                 /* arh. We'll do it synchronously. */
1288                 g_warning("can't create thread");
1289                 g_free(mimeview->check_data);
1290                 mimeview->check_data = NULL;
1291                 return;
1292         } else {
1293                 mimeview->check_data->th = th;
1294                 mimeview->check_data->th_init = TRUE;
1295         }
1296
1297         /* create the killer thread */
1298         pthread_create(&th2, &detach2,
1299                         mimeview_check_sig_cancel_thread,
1300                         mimeview);
1301
1302         mimeview->check_data->cancel_th = th2;
1303         mimeview->check_data->cancel_th_init = TRUE;
1304 }
1305 #endif
1306
1307 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1308 {
1309         MimeView *mimeview = (MimeView *) user_data;
1310         MimeInfo *mimeinfo = mimeview->siginfo;
1311
1312         if (mimeinfo == NULL)
1313                 return;
1314 #ifdef USE_PTHREAD
1315         if (mimeview->check_data)
1316                 return;
1317 #endif
1318         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1319         GTK_EVENTS_FLUSH();
1320 #ifdef USE_PTHREAD
1321         /* let's do it non-blocking */
1322         mimeview_check_sig_in_thread(mimeview);
1323         if (!mimeview->check_data) /* let's check syncronously */
1324 #endif
1325         {
1326                 debug_print("checking without thread\n");
1327                 privacy_mimeinfo_check_signature(mimeinfo);
1328                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1329                 icon_list_clear(mimeview);
1330                 icon_list_create(mimeview, mimeview->mimeinfo);
1331         }
1332 }
1333
1334 void mimeview_check_signature(MimeView *mimeview)
1335 {
1336         check_signature_cb(NULL, mimeview);
1337 }
1338
1339 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1340 {
1341         MimeView *mimeview = (MimeView *) user_data;
1342         gtk_tree_path_free(mimeview->opened);
1343         mimeview->opened = NULL;
1344         mimeview_selected(gtk_tree_view_get_selection(
1345                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1346 }
1347
1348 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1349 {
1350         MimeView *mimeview = (MimeView *) user_data;
1351         gchar *siginfo;
1352
1353         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1354         textview_set_text(mimeview->textview, siginfo);
1355         g_free(siginfo);
1356         noticeview_set_button_text(mimeview->siginfoview, NULL);
1357         noticeview_set_button_press_callback(
1358                 mimeview->siginfoview,
1359                 G_CALLBACK(redisplay_email),
1360                 (gpointer) mimeview);
1361         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1362 }
1363
1364 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1365 {
1366         MimeInfo *siginfo;
1367         MimeInfo *first_text;
1368
1369         cm_return_if_fail(mimeview != NULL);
1370         cm_return_if_fail(selected != NULL);
1371
1372         if (selected->type == MIMETYPE_MESSAGE
1373         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1374                 /* if the first text part is signed, check that */
1375                 first_text = selected;
1376                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1377                         first_text = procmime_mimeinfo_next(first_text);
1378                 }
1379                 if (first_text) {
1380                         update_signature_info(mimeview, first_text);
1381                         return;
1382                 }
1383         }
1384
1385         siginfo = selected;
1386         while (siginfo != NULL) {
1387                 if (privacy_mimeinfo_is_signed(siginfo))
1388                         break;
1389                 siginfo = procmime_mimeinfo_parent(siginfo);
1390         }
1391         mimeview->siginfo = siginfo;
1392
1393         /* This shortcut boolean is there to correctly set the menu's
1394          * CheckSignature item sensitivity without killing performance
1395          * each time the menu sensitiveness is updated (a lot).
1396          */
1397         mimeview->signed_part = (siginfo != NULL);
1398
1399         if (siginfo == NULL) {
1400                 noticeview_hide(mimeview->siginfoview);
1401                 return;
1402         }
1403
1404         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1405         noticeview_show(mimeview->siginfoview);
1406 }
1407
1408 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1409 {
1410         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1411         GtkTreeModel *model;
1412         GtkTreeIter iter;
1413         GtkTreePath *path;
1414         MimeInfo *partinfo;
1415
1416         selection = gtk_tree_view_get_selection(ctree);
1417         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1418                 return;
1419
1420         path = gtk_tree_model_get_path(model, &iter);
1421
1422         if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1423                 gtk_tree_path_free(path);
1424                 return;
1425         }
1426
1427         gtk_tree_path_free(mimeview->opened);
1428         mimeview->opened = path;
1429         mimeview->spec_part = NULL;
1430         gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1431
1432         partinfo = mimeview_get_node_part(mimeview, path);
1433         if (!partinfo) return;
1434
1435         /* ungrab the mouse event */
1436         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1437                 gtk_grab_remove(GTK_WIDGET(ctree));
1438                 if (gdk_pointer_is_grabbed())
1439                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1440         }
1441
1442         mimeview->textview->default_text = FALSE;
1443
1444         update_signature_info(mimeview, partinfo);
1445
1446         if (!mimeview_show_part(mimeview, partinfo)) {
1447                 switch (partinfo->type) {
1448                 case MIMETYPE_TEXT:
1449                 case MIMETYPE_MESSAGE:
1450                 case MIMETYPE_MULTIPART:
1451                         mimeview_show_message_part(mimeview, partinfo);
1452
1453                         break;
1454                 default:
1455                         mimeview->textview->default_text = TRUE;
1456                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1457                         textview_clear(mimeview->textview);
1458                         textview_show_mime_part(mimeview->textview, partinfo);
1459                         break;
1460                 }
1461         }
1462 }
1463
1464 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1465                                     MimeView *mimeview)
1466 {
1467         GtkTreeSelection *selection;
1468         GtkTreeIter iter;
1469
1470         if (!event) return FALSE;
1471
1472         if (event->button == 2 || event->button == 3) {
1473                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1474                 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1475                         return FALSE;
1476
1477                 gtk_tree_selection_select_iter(selection, &iter);
1478         }
1479         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1480
1481         return FALSE;
1482 }
1483
1484 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1485                                     MimeView *mimeview)
1486 {
1487         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1488         if (event->direction == GDK_SCROLL_UP) {
1489                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1490         } else {
1491                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1492         }
1493         gtk_vscrollbutton_scroll(scrollbutton);
1494         return TRUE;
1495 }
1496
1497 /* from gdkevents.c */
1498 #define DOUBLE_CLICK_TIME 250
1499
1500 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1501                                     MimeInfo *partinfo)
1502 {
1503         static MimeInfo *lastinfo;
1504         static guint32 lasttime;
1505
1506         if (event->button == 2 ||
1507             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1508                 /* call external program for image, audio or html */
1509                 mimeview_launch(mimeview, partinfo);
1510                 return TRUE;
1511         } else if (event->button == 3) {
1512                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1513                                  partinfo->type == MIMETYPE_IMAGE ||
1514                                  partinfo->type == MIMETYPE_MULTIPART))
1515                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1516                 else
1517                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1518 #ifndef G_OS_WIN32
1519                 if (partinfo &&
1520                     partinfo->type == MIMETYPE_APPLICATION &&
1521                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1522                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1523                 else
1524 #endif
1525                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1526
1527                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1528                                   "pop_partinfo", partinfo);
1529
1530                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1531                                NULL, NULL, NULL, NULL,
1532                                event->button, event->time);
1533                 return TRUE;
1534         }
1535
1536         lastinfo = partinfo;
1537         lasttime = event->time;
1538         return FALSE;
1539 }
1540
1541
1542 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1543 {
1544         return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1545 }
1546
1547 void mimeview_select_next_part(MimeView *mimeview)
1548 {
1549         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1550         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1551         GtkTreeSelection *selection;
1552         GtkTreeIter iter;
1553         GtkTreePath *path;
1554         MimeInfo *partinfo = NULL;
1555         gboolean has_next;
1556
1557         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1558         path = gtk_tree_model_get_path(model, &iter);
1559 skip:
1560         has_next = mimeview_tree_next(model, path);
1561         if (!has_next) {
1562                 has_next = gtk_tree_model_get_iter_first(model, &iter);
1563                 gtk_tree_path_free(path);
1564                 path = gtk_tree_model_get_path(model, &iter);
1565         }
1566
1567         if (has_next) {
1568                 partinfo = mimeview_get_node_part(mimeview, path);
1569                 if (partinfo->type == MIMETYPE_MULTIPART ||
1570                     (!prefs_common.show_inline_attachments && partinfo->id))
1571                         goto skip;
1572                 selection = gtk_tree_view_get_selection(ctree);
1573                 gtk_tree_selection_select_path(selection, path);
1574                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1575         }
1576
1577         gtk_tree_path_free(path);
1578 }
1579
1580 void mimeview_select_prev_part(MimeView *mimeview)
1581 {
1582         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1583         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1584         GtkTreeSelection *selection;
1585         GtkTreeIter iter;
1586         GtkTreePath *path;
1587         MimeInfo *partinfo = NULL;
1588         gboolean has_prev;
1589
1590         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1591         path = gtk_tree_model_get_path(model, &iter);
1592 skip:
1593         has_prev = mimeview_tree_prev(mimeview, path);
1594         if (!has_prev) {
1595                 while (mimeview_tree_next(model, path)) {}
1596                 has_prev = TRUE;
1597         }
1598
1599         if (has_prev) {
1600                 partinfo = mimeview_get_node_part(mimeview, path);
1601                 if (partinfo->type == MIMETYPE_MULTIPART ||
1602                     (!prefs_common.show_inline_attachments && partinfo->id))
1603                         goto skip;
1604                 selection = gtk_tree_view_get_selection(ctree);
1605                 gtk_tree_selection_select_path(selection, path);
1606                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1607         }
1608
1609         gtk_tree_path_free(path);
1610 }
1611
1612 #define BREAK_ON_MODIFIER_KEY() \
1613         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1614
1615 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1616                                  MimeView *mimeview)
1617 {
1618         SummaryView *summaryview;
1619
1620         if (!event) return FALSE;
1621         if (!mimeview->opened) return FALSE;
1622
1623         summaryview = mimeview->messageview->mainwin->summaryview;
1624
1625         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1626                 return FALSE;
1627
1628         switch (event->keyval) {
1629         case GDK_KEY_Home:
1630         case GDK_KEY_End:
1631                 textview_scroll_max(mimeview->textview,
1632                                     (event->keyval == GDK_KEY_Home));
1633                 return TRUE;
1634         case GDK_KEY_Page_Down:
1635         case GDK_KEY_space:
1636                 if (mimeview_scroll_page(mimeview,
1637                                          (event->state & GDK_SHIFT_MASK) != 0))
1638                         return TRUE;
1639
1640                 if (!(event->state & GDK_SHIFT_MASK))
1641                         mimeview_select_next_part(mimeview);
1642                 return TRUE;
1643         case GDK_KEY_Page_Up:
1644         case GDK_KEY_BackSpace:
1645                 mimeview_scroll_page(mimeview, TRUE);
1646                 return TRUE;
1647         case GDK_KEY_Return:
1648         case GDK_KEY_KP_Enter:
1649                 mimeview_scroll_one_line(mimeview,
1650                                          (event->state & GDK_MOD1_MASK) != 0);
1651                 return TRUE;
1652         case GDK_KEY_Up:
1653         case GDK_KEY_Down:
1654                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1655                 return TRUE;
1656         default:
1657                 break;
1658         }
1659
1660         if (mimeview->messageview->new_window) return FALSE;
1661
1662         return summary_pass_key_press_event(summaryview, event);
1663 }
1664
1665 static void mimeview_drag_data_get(GtkWidget        *widget,
1666                                    GdkDragContext   *drag_context,
1667                                    GtkSelectionData *selection_data,
1668                                    guint             info,
1669                                    guint             time,
1670                                    MimeView         *mimeview)
1671 {
1672         gchar *filename = NULL, *uriname, *tmp;
1673         MimeInfo *partinfo;
1674         gint err;
1675         gint count = 0;
1676
1677         if (!mimeview->opened) return;
1678         if (!mimeview->file) return;
1679
1680         partinfo = mimeview_get_selected_part(mimeview);
1681         if (!partinfo) return;
1682
1683         if (strlen(get_part_name(partinfo)) > 0) {
1684                 filename = g_path_get_basename(get_part_name(partinfo));
1685                 if (*filename == '\0') return;
1686         } else if (partinfo->type == MIMETYPE_MESSAGE
1687                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1688                 gchar *name = NULL;
1689                 GPtrArray *headers = NULL;
1690                 FILE *fp;
1691
1692                 fp = g_fopen(partinfo->data.filename, "rb");
1693                 fseek(fp, partinfo->offset, SEEK_SET);
1694                 headers = procheader_get_header_array_asis(fp);
1695                 if (headers) {
1696                         gint i;
1697                         for (i = 0; i < headers->len; i++) {
1698                                 Header *header = g_ptr_array_index(headers, i);
1699                                 if (procheader_headername_equal(header->name, "Subject")) {
1700                                         unfold_line(header->body);
1701                                         name = g_strconcat(header->body, ".txt", NULL);
1702                                         subst_for_filename(name);
1703                                 }
1704                         }
1705                         procheader_header_array_destroy(headers);
1706                 }
1707                 fclose(fp);
1708                 if (name)
1709                         filename = g_path_get_basename(name);
1710                 g_free(name);
1711         }
1712         if (filename == NULL)
1713                 filename = g_path_get_basename("Unnamed part");
1714
1715         if (!g_utf8_validate(filename, -1, NULL))
1716                 tmp = conv_codeset_strdup(filename,
1717                                 conv_get_locale_charset_str(),
1718                                 CS_UTF_8);
1719         else
1720                 tmp = g_strdup(filename);
1721
1722         if (tmp == NULL) {
1723                 g_warning("filename not in UTF-8");
1724                 tmp = g_strdup("Unnamed part");
1725         }
1726         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1727                                tmp, NULL);
1728
1729 check_new_file:
1730         if (is_file_exist(filename)) {
1731                 gchar *ext = NULL;
1732                 gchar *prefix = NULL;
1733                 gchar *new_name = NULL;
1734                 if (strrchr(tmp, '.')) {
1735                         prefix = g_strdup(tmp);
1736                         ext = g_strdup(strrchr(tmp, '.'));
1737                         *(strrchr(prefix, '.')) = '\0';
1738                 } else {
1739                         prefix = g_strdup(tmp);
1740                         ext = g_strdup("");
1741                 }
1742                 count++;
1743                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1744                 g_free(prefix);
1745                 g_free(ext);
1746                 g_free(filename);
1747                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1748                                new_name, NULL);
1749                 g_free(new_name);
1750                 goto check_new_file;
1751         }
1752
1753         g_free(tmp);
1754
1755         if ((err = procmime_get_part(filename, partinfo)) < 0)
1756                 alertpanel_error
1757                         (_("Couldn't save the part of multipart message: %s"),
1758                                 strerror(-err));
1759
1760         tmp = g_filename_to_uri(filename, NULL, NULL);
1761         uriname = g_strconcat(tmp, "\r\n", NULL);
1762         g_free(tmp);
1763
1764         gtk_selection_data_set(selection_data,
1765                    gtk_selection_data_get_target(selection_data), 8,
1766                                (guchar *)uriname, strlen(uriname));
1767
1768         g_free(uriname);
1769         g_free(filename);
1770 }
1771
1772 /**
1773  * Returns a filename (with path) for an attachment
1774  * \param partinfo The attachment to save
1775  * \param basedir The target directory
1776  * \param number Used for dummy filename if attachment is unnamed
1777  */
1778 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1779                                       const gchar *basedir,
1780                                       gint number)
1781 {
1782         gchar *fullname;
1783         gchar *filename;
1784
1785         filename = g_strdup(get_part_name(partinfo));
1786         if (!filename || !*filename) {
1787                 g_free(filename);
1788                 filename = g_strdup_printf("noname.%d", number);
1789         }
1790
1791         if (!g_utf8_validate(filename, -1, NULL)) {
1792                 gchar *tmp = conv_filename_to_utf8(filename);
1793                 g_free(filename);
1794                 filename = tmp;
1795         }
1796
1797         subst_for_filename(filename);
1798
1799         fullname = g_strconcat
1800                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1801                  ? &filename[1] : filename, NULL);
1802
1803         g_free(filename);
1804         filename = conv_filename_from_utf8(fullname);
1805         g_free(fullname);
1806         return filename;
1807 }
1808
1809 /**
1810  * Write a single attachment to file
1811  * \param filename Filename with path
1812  * \param partinfo Attachment to save
1813  */
1814 static gboolean mimeview_write_part(const gchar *filename,
1815                                     MimeInfo *partinfo)
1816 {
1817         gchar *dir;
1818         gint err;
1819
1820         dir= g_path_get_dirname(filename);
1821         if (!is_dir_exist(dir))
1822                 make_dir_hier(dir);
1823         g_free(dir);
1824
1825         if (is_file_exist(filename)) {
1826                 AlertValue aval;
1827                 gchar *res;
1828                 gchar *tmp;
1829
1830                 if (!g_utf8_validate(filename, -1, NULL))
1831                         tmp = conv_filename_to_utf8(filename);
1832                 else
1833                         tmp = g_strdup(filename);
1834
1835                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1836                                       tmp);
1837                 g_free(tmp);
1838                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1839                                   GTK_STOCK_OK, NULL);
1840                 g_free(res);
1841                 if (G_ALERTALTERNATE != aval) return FALSE;
1842         }
1843
1844         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1845                 alertpanel_error
1846                         (_("Couldn't save the part of multipart message: %s"),
1847                                 strerror(-err));
1848                 return FALSE;
1849         }
1850
1851         return TRUE;
1852 }
1853
1854 /**
1855  * Menu callback: Save all attached files
1856  * \param mimeview Current display
1857  */
1858 static void mimeview_save_all(MimeView *mimeview)
1859 {
1860         MimeInfo *partinfo;
1861         gchar *dirname;
1862         gchar *startdir = NULL;
1863         gint number = 1;
1864
1865         if (!mimeview->opened) return;
1866         if (!mimeview->file) return;
1867         if (!mimeview->mimeinfo) return;
1868
1869         partinfo = mimeview->mimeinfo;
1870         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1871                 startdir = g_strconcat(prefs_common.attach_save_dir,
1872                                        G_DIR_SEPARATOR_S, NULL);
1873         else
1874                 startdir = g_strdup(get_home_dir());
1875
1876         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1877         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1878         if (!dirname) {
1879                 g_free(startdir);
1880                 return;
1881         }
1882
1883         if (!is_dir_exist (dirname)) {
1884                 alertpanel_error(_("'%s' is not a directory."),
1885                                  dirname);
1886                 g_free(startdir);
1887                 g_free(dirname);
1888                 return;
1889         }
1890
1891         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1892                 dirname[strlen(dirname)-1] = '\0';
1893
1894         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1895         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1896                 partinfo = procmime_mimeinfo_next(partinfo);
1897         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1898                 partinfo = procmime_mimeinfo_next(partinfo);
1899                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1900                         partinfo = procmime_mimeinfo_next(partinfo);
1901         }
1902
1903         while (partinfo != NULL) {
1904                 if (partinfo->type != MIMETYPE_MESSAGE &&
1905                     partinfo->type != MIMETYPE_MULTIPART &&
1906                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1907                      || get_real_part_name(partinfo) != NULL)) {
1908                         gchar *filename = mimeview_get_filename_for_part
1909                                 (partinfo, dirname, number++);
1910
1911                         mimeview_write_part(filename, partinfo);
1912                         g_free(filename);
1913                 }
1914                 partinfo = procmime_mimeinfo_next(partinfo);
1915         }
1916
1917         g_free(prefs_common.attach_save_dir);
1918         g_free(startdir);
1919         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1920                                         -1, NULL, NULL, NULL);
1921         g_free(dirname);
1922 }
1923
1924 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1925 {
1926         MimeInfo *partinfo = NULL;
1927         if (mimeview->spec_part) {
1928                 partinfo = mimeview->spec_part;
1929                 mimeview->spec_part = NULL;
1930         } else {
1931                 partinfo = (MimeInfo *) g_object_get_data
1932                          (G_OBJECT(mimeview->popupmenu),
1933                          "pop_partinfo");
1934                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1935                                   "pop_partinfo", NULL);
1936                 if (!partinfo) {
1937                         partinfo = mimeview_get_selected_part(mimeview);
1938                 }
1939         }
1940
1941         return partinfo;
1942 }
1943 /**
1944  * Menu callback: Save the selected attachment
1945  * \param mimeview Current display
1946  */
1947 void mimeview_save_as(MimeView *mimeview)
1948 {
1949         gchar *filename;
1950         gchar *filepath = NULL;
1951         gchar *filedir = NULL;
1952         MimeInfo *partinfo;
1953         gchar *partname = NULL;
1954
1955         if (!mimeview->opened) return;
1956         if (!mimeview->file) return;
1957
1958         partinfo = mimeview_get_part_to_use(mimeview);
1959
1960         cm_return_if_fail(partinfo != NULL);
1961
1962         if (get_part_name(partinfo) == NULL) {
1963                 return;
1964         }
1965         partname = g_strdup(get_part_name(partinfo));
1966
1967         if (!g_utf8_validate(partname, -1, NULL)) {
1968                 gchar *tmp = conv_filename_to_utf8(partname);
1969                 if (!tmp) {
1970                         tmp = conv_codeset_strdup(partname,
1971                                 conv_get_locale_charset_str(),
1972                                 CS_UTF_8);
1973                 }
1974                 if (tmp) {
1975                         g_free(partname);
1976                         partname = tmp;
1977                 }
1978         }
1979
1980         subst_for_filename(partname);
1981
1982         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1983                 filepath = g_strconcat(prefs_common.attach_save_dir,
1984                                        G_DIR_SEPARATOR_S, partname, NULL);
1985         else
1986                 filepath = g_strdup(partname);
1987
1988         g_free(partname);
1989
1990         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1991         filename = filesel_select_file_save(_("Save as"), filepath);
1992         if (!filename) {
1993                 g_free(filepath);
1994                 return;
1995         }
1996
1997         mimeview_write_part(filename, partinfo);
1998
1999         filedir = g_path_get_dirname(filename);
2000         if (filedir && strcmp(filedir, ".")) {
2001                 g_free(prefs_common.attach_save_dir);
2002                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2003         }
2004
2005         g_free(filedir);
2006         g_free(filepath);
2007 }
2008
2009 void mimeview_display_as_text(MimeView *mimeview)
2010 {
2011         MimeInfo *partinfo;
2012
2013         if (!mimeview->opened) return;
2014
2015         partinfo = mimeview_get_part_to_use(mimeview);
2016         mimeview_select_mimepart_icon(mimeview, partinfo);
2017         cm_return_if_fail(partinfo != NULL);
2018         mimeview_show_message_part(mimeview, partinfo);
2019 }
2020
2021 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2022 {
2023         gchar *filename;
2024         gint err;
2025
2026         if (!mimeview->opened) return;
2027         if (!mimeview->file) return;
2028
2029         if (!partinfo)
2030                 partinfo = mimeview_get_part_to_use(mimeview);
2031
2032         cm_return_if_fail(partinfo != NULL);
2033
2034         filename = procmime_get_tmp_file_name(partinfo);
2035
2036         if ((err = procmime_get_part(filename, partinfo)) < 0)
2037                 alertpanel_error
2038                         (_("Couldn't save the part of multipart message: %s"),
2039                                 strerror(-err));
2040         else
2041                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2042
2043         g_free(filename);
2044 }
2045
2046 #ifndef G_OS_WIN32
2047 void mimeview_open_with(MimeView *mimeview)
2048 {
2049         MimeInfo *partinfo;
2050
2051         if (!mimeview) return;
2052         if (!mimeview->opened) return;
2053         if (!mimeview->file) return;
2054
2055         partinfo = mimeview_get_part_to_use(mimeview);
2056
2057         mimeview_open_part_with(mimeview, partinfo, FALSE);
2058 }
2059
2060 #ifdef MAEMO
2061 osso_context_t *get_osso_context(void);
2062 #endif
2063 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2064 {
2065         gchar *filename;
2066         gchar *cmd;
2067         gchar *mime_command = NULL;
2068         gchar *content_type = NULL;
2069         gint err;
2070 #ifdef MAEMO
2071         DBusConnection *dbusconn;
2072         gchar *uri;
2073         int r = 0;
2074 #endif
2075         cm_return_if_fail(partinfo != NULL);
2076
2077         filename = procmime_get_tmp_file_name(partinfo);
2078
2079         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2080                 alertpanel_error
2081                         (_("Couldn't save the part of multipart message: %s"),
2082                                 strerror(-err));
2083                 g_free(filename);
2084                 return;
2085         }
2086
2087         if (!prefs_common.mime_open_cmd_history)
2088                 prefs_common.mime_open_cmd_history =
2089                         add_history(NULL, prefs_common.mime_open_cmd);
2090
2091         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2092             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2093                 /* guess content-type from filename */
2094                 content_type = procmime_get_mime_type(filename);
2095         }
2096         if (content_type == NULL) {
2097                 content_type = procmime_get_content_type_str(partinfo->type,
2098                         partinfo->subtype);
2099         }
2100
2101 #ifdef MAEMO
2102         if (content_type != NULL) {
2103                 uri = g_filename_to_uri(filename, NULL, NULL);
2104                 dbusconn = osso_get_dbus_connection (get_osso_context());
2105 #ifdef CHINOOK
2106                 r = hildon_mime_open_file_with_mime_type (dbusconn, uri, content_type);
2107 #else
2108                 r = osso_mime_open_file_with_mime_type (dbusconn, uri, content_type);
2109 #endif
2110                 g_free(uri);
2111         }
2112         if (r != 1) {
2113                 alertpanel_error(_("No registered viewer for this file type."));
2114         }
2115         goto out;
2116 #endif
2117
2118         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2119         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2120                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2121                 g_free(content_type);
2122                 content_type = NULL;
2123         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2124         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2125                 mime_command = mailcap_get_command_for_type(content_type, filename);
2126         } else {
2127                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2128                 g_free(content_type);
2129                 content_type = NULL;
2130         }
2131         if (mime_command == NULL) {
2132                 /* try with extension this time */
2133                 g_free(content_type);
2134                 content_type = procmime_get_mime_type(filename);
2135                 mime_command = mailcap_get_command_for_type(content_type, filename);
2136         }
2137
2138         if (mime_command == NULL)
2139                 automatic = FALSE;
2140
2141         if (!automatic) {
2142                 gboolean remember = FALSE;
2143                 if (content_type != NULL)
2144                         cmd = input_dialog_combo_remember
2145                                 (_("Open with"),
2146                                  _("Enter the command-line to open file:\n"
2147                                    "('%s' will be replaced with file name)"),
2148                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2149                                  prefs_common.mime_open_cmd_history, &remember);
2150                 else
2151                         cmd = input_dialog_combo
2152                                 (_("Open with"),
2153                                  _("Enter the command-line to open file:\n"
2154                                    "('%s' will be replaced with file name)"),
2155                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2156                                  prefs_common.mime_open_cmd_history);
2157                 if (cmd && remember) {
2158                         mailcap_update_default(content_type, cmd);
2159                 }
2160                 g_free(mime_command);
2161         } else {
2162                 cmd = mime_command;
2163         }
2164         if (cmd) {
2165                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2166                 g_free(prefs_common.mime_open_cmd);
2167                 prefs_common.mime_open_cmd = cmd;
2168                 prefs_common.mime_open_cmd_history =
2169                         add_history(prefs_common.mime_open_cmd_history, cmd);
2170         }
2171 #ifdef MAEMO
2172 out:
2173 #endif
2174         g_free(content_type);
2175         g_free(filename);
2176 }
2177 #endif
2178
2179 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2180 {
2181         GList *attach_file = NULL;
2182         AttachInfo *ainfo = NULL;
2183         gchar *filename;
2184         gint err;
2185
2186         if (!mimeview->opened) return;
2187         if (!mimeview->file) return;
2188
2189         cm_return_if_fail(partinfo != NULL);
2190
2191         filename = procmime_get_tmp_file_name(partinfo);
2192
2193         if (!(err = procmime_get_part(filename, partinfo))) {
2194                 ainfo = g_new0(AttachInfo, 1);
2195                 ainfo->file = filename;
2196                 ainfo->name = g_strdup(get_part_name(partinfo));
2197                 ainfo->content_type = procmime_get_content_type_str(
2198                                         partinfo->type, partinfo->subtype);
2199                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2200                                         partinfo, "charset"));
2201                 attach_file = g_list_append(attach_file, ainfo);
2202
2203                 compose_new(NULL, NULL, attach_file);
2204
2205                 g_free(ainfo->name);
2206                 g_free(ainfo->content_type);
2207                 g_free(ainfo->charset);
2208                 g_free(ainfo);
2209                 g_list_free(attach_file);
2210         } else
2211                 alertpanel_error
2212                         (_("Couldn't save the part of multipart message: %s"),
2213                                 strerror(-err));
2214         g_free(filename);
2215 }
2216
2217 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2218                                const gchar *cmd, MimeView *mimeview)
2219 {
2220 #ifndef G_OS_WIN32
2221         gchar *p;
2222         gchar buf[BUFFSIZE];
2223         if (cmd == NULL)
2224                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2225         else {
2226                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2227                     !strchr(p + 2, '%')) {
2228                         g_snprintf(buf, sizeof(buf), cmd, filename);
2229                         if (!prefs_common.save_parts_readwrite)
2230                                 g_chmod(filename, S_IRUSR);
2231                         else
2232                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2233                 } else {
2234                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2235                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2236                 }
2237                 if (execute_command_line(buf, TRUE) != 0) {
2238                         if (!prefs_common.save_parts_readwrite)
2239                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2240                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2241                 }
2242         }
2243 #else
2244         SHFILEINFO file_info;
2245         if ((SHGetFileInfo(filename, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2246                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2247                                       _("This attachment is an executable file. Executing "
2248                                         "untrusted binaries is dangerous and could probably "
2249                                         "lead to compromission of your computer.\n\n"
2250                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2251                                         _("Run binary"),
2252                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2253                 if (val == G_ALERTALTERNATE) {
2254                         debug_print("executing binary\n");
2255                         ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2256                 }
2257         } else
2258                 ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2259
2260 #endif
2261 }
2262
2263 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2264 {
2265         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2266 }
2267
2268 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2269 {
2270         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2271 }
2272
2273 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2274 {
2275         GSList *mimeview_list, *viewer_list;
2276
2277         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2278                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2279
2280                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2281                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2282                         mimeview->mimeviewer = NULL;
2283                 }
2284
2285                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2286                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2287
2288                         mimeviewer->destroy_viewer(mimeviewer);
2289                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2290                 }
2291         }
2292
2293         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2294 }
2295
2296 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2297 {
2298         gint      num;
2299         MimeInfo *partinfo;
2300
2301         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2302         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2303
2304         if (event->button == 1) {
2305                 icon_selected(mimeview, num, partinfo);
2306                 gtk_widget_grab_focus(button);
2307                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2308         }
2309         part_button_pressed(mimeview, event, partinfo);
2310
2311         return FALSE;
2312 }
2313
2314 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2315 {
2316         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2317         GtkTreeIter iter;
2318         GtkTreePath *path;
2319         MimeInfo *curr = NULL;
2320
2321         gtk_tree_model_get_iter_first(model, &iter);
2322         path = gtk_tree_model_get_path(model, &iter);
2323
2324         do {
2325                 gtk_tree_model_get_iter(model, &iter, path);
2326                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2327                 if (curr == partinfo) {
2328                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2329                                                 GTK_TREE_VIEW(mimeview->ctree));
2330                         gtk_tree_selection_select_iter(sel, &iter);
2331                         gtk_tree_path_free(path);
2332                         return;
2333                 }
2334         } while (mimeview_tree_next(model, path));
2335
2336         gtk_tree_path_free(path);
2337 }
2338
2339 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2340 {
2341         icon_list_toggle_by_mime_info(mimeview, partinfo);
2342         icon_selected(mimeview, -1, partinfo);
2343 }
2344
2345 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2346                              MimeView *mimeview)
2347 {
2348         SummaryView  *summaryview;
2349
2350         if (!event) return FALSE;
2351
2352         switch (event->keyval) {
2353         case GDK_KEY_space:
2354                 if (mimeview_scroll_page(mimeview, FALSE))
2355                         return TRUE;
2356
2357                 mimeview_select_next_part(mimeview);
2358                 return TRUE;
2359
2360                 break;
2361         case GDK_KEY_BackSpace:
2362                 mimeview_scroll_page(mimeview, TRUE);
2363                 return TRUE;
2364         case GDK_KEY_Return:
2365         case GDK_KEY_KP_Enter:
2366                 mimeview_scroll_one_line(mimeview,
2367                                          (event->state & GDK_MOD1_MASK) != 0);
2368                 return TRUE;
2369         case GDK_KEY_y:
2370                 BREAK_ON_MODIFIER_KEY();
2371                 mimeview_save_as(mimeview);
2372                 return TRUE;
2373         case GDK_KEY_t:
2374                 BREAK_ON_MODIFIER_KEY();
2375                 mimeview_display_as_text(mimeview);
2376                 return TRUE;
2377         case GDK_KEY_l:
2378                 BREAK_ON_MODIFIER_KEY();
2379                 mimeview_launch(mimeview, NULL);
2380                 return TRUE;
2381 #ifndef G_OS_WIN32
2382         case GDK_KEY_o:
2383                 BREAK_ON_MODIFIER_KEY();
2384                 mimeview_open_with(mimeview);
2385                 return TRUE;
2386 #endif
2387         case GDK_KEY_c:
2388                 BREAK_ON_MODIFIER_KEY();
2389                 mimeview_check_signature(mimeview);
2390                 return TRUE;
2391         case GDK_KEY_a:
2392                 BREAK_ON_MODIFIER_KEY();
2393                 mimeview_select_next_part(mimeview);
2394                 return TRUE;
2395         default:
2396                 break;
2397         }
2398
2399         if (!mimeview->messageview->mainwin) return FALSE;
2400         summaryview = mimeview->messageview->mainwin->summaryview;
2401         return summary_pass_key_press_event(summaryview, event);
2402 }
2403
2404 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2405 {
2406         MimeView *mimeview = (MimeView *)data;
2407         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2408
2409         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2410                           "pop_partinfo", partinfo);
2411         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2412                        NULL, NULL, NULL, NULL,
2413                        0, gtk_get_current_event_time());
2414         return TRUE;
2415 }
2416
2417 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2418 {
2419         GtkWidget *pixmap = NULL;
2420         GtkWidget *vbox;
2421         GtkWidget *button;
2422         gchar *tip;
2423         gchar *tiptmp;
2424         const gchar *desc = NULL;
2425         gchar *sigshort = NULL;
2426         gchar *content_type;
2427         StockPixmap stockp;
2428         MimeInfo *partinfo;
2429         MimeInfo *siginfo = NULL;
2430         MimeInfo *encrypted = NULL;
2431 #ifdef GENERIC_UMPC
2432         GtkRequisition r;
2433 #endif
2434 #if !(GTK_CHECK_VERSION(2,12,0))
2435         GtkTooltips *tips = mimeview->tooltips;
2436 #endif
2437
2438         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2439                 return;
2440
2441         vbox = mimeview->icon_vbox;
2442         mimeview->icon_count++;
2443         button = gtk_event_box_new();
2444
2445         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2446                          G_CALLBACK(mimeview_visi_notify), mimeview);
2447         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2448                          G_CALLBACK(mimeview_leave_notify), mimeview);
2449         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2450                          G_CALLBACK(mimeview_enter_notify), mimeview);
2451
2452         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2453         g_object_set_data(G_OBJECT(button), "icon_number",
2454                           GINT_TO_POINTER(mimeview->icon_count));
2455         g_object_set_data(G_OBJECT(button), "partinfo",
2456                           mimeinfo);
2457
2458         switch (mimeinfo->type) {
2459
2460         case MIMETYPE_TEXT:
2461                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2462                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2463                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2464                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2465                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2466                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2467                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2468                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2469                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2470                 else
2471                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2472                 break;
2473         case MIMETYPE_MESSAGE:
2474                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2475                 break;
2476         case MIMETYPE_APPLICATION:
2477                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2478                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2479                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2480                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2481                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2482                         stockp = STOCK_PIXMAP_MIME_PDF;
2483                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2484                         stockp = STOCK_PIXMAP_MIME_PS;
2485                 else
2486                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2487                 break;
2488         case MIMETYPE_IMAGE:
2489                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2490                 break;
2491         case MIMETYPE_AUDIO:
2492                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2493                 break;
2494         default:
2495                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2496                 break;
2497         }
2498
2499         partinfo = mimeinfo;
2500         while (partinfo != NULL) {
2501                 if (privacy_mimeinfo_is_signed(partinfo)) {
2502                         siginfo = partinfo;
2503                         break;
2504                 }
2505                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2506                         encrypted = partinfo;
2507                         break;
2508                 }
2509                 partinfo = procmime_mimeinfo_parent(partinfo);
2510         }
2511
2512         if (siginfo != NULL) {
2513                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2514                 case SIGNATURE_UNCHECKED:
2515                 case SIGNATURE_CHECK_FAILED:
2516                 case SIGNATURE_CHECK_TIMEOUT:
2517                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2518                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2519                         break;
2520                 case SIGNATURE_OK:
2521                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2522                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2523                         break;
2524                 case SIGNATURE_WARN:
2525                 case SIGNATURE_KEY_EXPIRED:
2526                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2527                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2528                         break;
2529                 case SIGNATURE_INVALID:
2530                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2531                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2532                         break;
2533                 }
2534                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2535         } else if (encrypted != NULL) {
2536                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2537                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2538         } else {
2539                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2540                                                           OVERLAY_NONE, 6, 3);
2541         }
2542         gtk_container_add(GTK_CONTAINER(button), pixmap);
2543         if (!desc) {
2544                 if (prefs_common.attach_desc)
2545                         desc = get_part_description(mimeinfo);
2546                 else
2547                         desc = get_part_name(mimeinfo);
2548         }
2549
2550         content_type = procmime_get_content_type_str(mimeinfo->type,
2551                                                      mimeinfo->subtype);
2552
2553         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2554                           "\n<b>", _("Size:"), " </b>",
2555                           to_human_readable((goffset)mimeinfo->length), NULL);
2556         g_free(content_type);
2557         if (desc && *desc) {
2558                 gchar *tmp = NULL;
2559                 if (!g_utf8_validate(desc, -1, NULL)) {
2560                         tmp = conv_filename_to_utf8(desc);
2561                 } else {
2562                         tmp = g_strdup(desc);
2563                 }
2564                 tiptmp = g_strconcat(tip, "\n<b>",
2565                                 prefs_common.attach_desc && mimeinfo->description ?
2566                                 _("Description:") : _("Filename:"),
2567                                 " </b>", g_markup_escape_text(tmp,-1), NULL);
2568                 g_free(tip);
2569                 tip = tiptmp;
2570                 g_free(tmp);
2571         }
2572         if (sigshort && *sigshort) {
2573                 tiptmp = g_strjoin("\n", tip, g_markup_escape_text(sigshort, -1), NULL);
2574                 g_free(tip);
2575                 tip = tiptmp;
2576         }
2577         g_free(sigshort);
2578
2579         gtk_widget_set_tooltip_markup(button, tip);
2580         g_free(tip);
2581         gtk_widget_show_all(button);
2582         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2583                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2584 #ifndef MAEMO
2585         g_signal_connect(G_OBJECT(button), "popup-menu",
2586                          G_CALLBACK(icon_popup_menu), mimeview);
2587 #else
2588         gtk_widget_tap_and_hold_setup(GTK_WIDGET(button), NULL, NULL,
2589                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
2590         g_signal_connect(G_OBJECT(button), "tap-and-hold",
2591                          G_CALLBACK(icon_popup_menu), mimeview);
2592 #endif
2593         g_signal_connect(G_OBJECT(button), "button_release_event",
2594                          G_CALLBACK(icon_clicked_cb), mimeview);
2595         g_signal_connect(G_OBJECT(button), "key_press_event",
2596                          G_CALLBACK(icon_key_pressed), mimeview);
2597         g_signal_connect(G_OBJECT(button), "drag_data_get",
2598                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2599         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2600 #ifdef GENERIC_UMPC
2601         gtk_widget_size_request(pixmap, &r);
2602         gtk_widget_set_size_request(button, -1, r.height + 4);
2603 #endif
2604
2605 }
2606
2607 static void icon_list_clear (MimeView *mimeview)
2608 {
2609         GList     *child, *orig;
2610         GtkAdjustment *adj;
2611
2612         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2613         for (child = orig; child != NULL; child = g_list_next(child)) {
2614                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2615                                        GTK_WIDGET(child->data));
2616         }
2617         g_list_free(orig);
2618         mimeview->icon_count = 0;
2619         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2620         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2621         gtk_adjustment_changed(adj);
2622 }
2623
2624 /*!
2625  *\brief        Used to 'click' the next or previous icon.
2626  *
2627  *\return       true if the icon 'number' exists and was selected.
2628  */
2629 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2630                                          GtkAllocation *size, MimeView *mimeview)
2631 {
2632         GtkAllocation vbox_size;
2633         GtkAllocation layout_size;
2634         GtkAdjustment *adj;
2635         guint width;
2636         guint height;
2637
2638         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2639
2640         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2641         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2642
2643         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2644         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2645                             width,
2646                             MAX(vbox_size.height, layout_size.height));
2647         gtk_adjustment_set_step_increment(adj, 10);
2648 }
2649
2650 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2651 {
2652         GtkRequisition size;
2653         GtkRequisition requisition;
2654
2655         cm_return_if_fail(mimeinfo != NULL);
2656
2657         while (mimeinfo != NULL) {
2658                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2659                         icon_list_append_icon(mimeview, mimeinfo);
2660                 if (mimeinfo->node->children != NULL)
2661                         icon_list_create(mimeview,
2662                                 (MimeInfo *) mimeinfo->node->children->data);
2663                 mimeinfo = mimeinfo->node->next != NULL
2664                          ? (MimeInfo *) mimeinfo->node->next->data
2665                          : NULL;
2666         }
2667         gtk_widget_size_request(mimeview->icon_vbox, &size);
2668         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2669         if (size.width > requisition.width) {
2670                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2671                                             size.width, -1);
2672         }
2673 }
2674
2675 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2676                                            MimeInfo     *mimeinfo)
2677 {
2678         GList *child;
2679
2680         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2681         for (; child != NULL; child = g_list_next(child)) {
2682                 if (!GTK_IS_EVENT_BOX(child->data))
2683                         continue;
2684                 if(g_object_get_data(G_OBJECT(child->data),
2685                                       "partinfo") == (gpointer)mimeinfo) {
2686                         gboolean *highlight = NULL;
2687                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2688                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2689                         *highlight = TRUE;
2690                         gtk_widget_queue_draw(icon);
2691                 } else {
2692                         gint *highlight = NULL;
2693                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2694                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2695                         *highlight = FALSE;
2696                         gtk_widget_queue_draw(icon);
2697                 }
2698         }
2699 }
2700
2701 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2702                                     MimeView *mimeview)
2703 {
2704         prefs_common.mimeview_tree_height = allocation->height;
2705 }
2706
2707 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2708                                     MimeView *mimeview)
2709 {
2710         g_object_ref(button);
2711
2712         mimeview_leave_notify(button, NULL, NULL);
2713
2714         mimeview->ctree_mode = !mimeview->ctree_mode;
2715         if (mimeview->ctree_mode) {
2716                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2717                                         GTK_SHADOW_NONE);
2718                 gtk_widget_hide(mimeview->icon_mainbox);
2719                 gtk_widget_show(mimeview->ctree_mainbox);
2720                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2721                                         prefs_common.mimeview_tree_height);
2722
2723                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2724                                         button);
2725                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2726                                    button, FALSE, FALSE, 0);
2727         } else {
2728                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2729                               GTK_SHADOW_NONE);
2730                 gtk_widget_hide(mimeview->ctree_mainbox);
2731                 gtk_widget_show(mimeview->icon_mainbox);
2732                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2733
2734                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2735                                         button);
2736                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2737                                    button, FALSE, FALSE, 0);
2738                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2739                 if (mimeview->opened)
2740                         icon_list_toggle_by_mime_info(mimeview,
2741                                         mimeview_get_node_part(mimeview, mimeview->opened));
2742                 summary_grab_focus(mimeview->mainwin->summaryview);
2743         }
2744         g_object_unref(button);
2745         return TRUE;
2746 }
2747
2748 void mimeview_update (MimeView *mimeview) {
2749         if (mimeview && mimeview->mimeinfo) {
2750                 icon_list_clear(mimeview);
2751                 icon_list_create(mimeview, mimeview->mimeinfo);
2752         }
2753 }
2754
2755 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2756 {
2757         MessageView *msgview = NULL;
2758         MainWindow *mainwin = NULL;
2759
2760         if (!cmd)
2761                 return;
2762
2763         msgview = mimeview->messageview;
2764         if (!msgview)
2765                 return;
2766
2767         mainwin = msgview->mainwin;
2768         if (!mainwin)
2769                 return;
2770
2771         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2772                           "pop_partinfo", NULL);
2773
2774         if (!strcmp(cmd, "sc://view_log"))
2775                 log_window_show(mainwin->logwin);
2776         else if (!strcmp(cmd, "sc://save_as"))
2777                 mimeview_save_as(mimeview);
2778         else if (!strcmp(cmd, "sc://display_as_text"))
2779                 mimeview_display_as_text(mimeview);
2780 #ifndef G_OS_WIN32
2781         else if (!strcmp(cmd, "sc://open_with"))
2782                 mimeview_open_with(mimeview);
2783 #endif
2784         else if (!strcmp(cmd, "sc://open"))
2785                 mimeview_launch(mimeview, NULL);
2786         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2787                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2788                 icon_selected(mimeview, -1, (MimeInfo *)data);
2789         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2790                 mimeview_launch(mimeview, (MimeInfo *)data);
2791         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2792                 mimeview->spec_part = (MimeInfo *)data;
2793                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2794         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2795                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2796                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2797                 gtk_toggle_button_set_active(
2798                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2799                                 TRUE);
2800                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2801                                 ADVANCED_SEARCH_EXTENDED, buf);
2802                 g_free(buf);
2803         }
2804 }
2805
2806 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2807 {
2808         if (mimeview->type == MIMEVIEW_TEXT)
2809                 return textview_scroll_page(mimeview->textview, up);
2810         else if (mimeview->mimeviewer) {
2811                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2812                 if (mimeviewer->scroll_page)
2813                         return mimeviewer->scroll_page(mimeviewer, up);
2814         }
2815         return TRUE;
2816 }
2817
2818 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2819 {
2820         if (mimeview->type == MIMEVIEW_TEXT)
2821                 textview_scroll_one_line(mimeview->textview, up);
2822         else if (mimeview->mimeviewer) {
2823                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2824                 if (mimeviewer->scroll_one_line)
2825                         mimeviewer->scroll_one_line(mimeviewer, up);
2826         }
2827 }