src/mimeview.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2015 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 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #ifdef G_OS_WIN32
  27 #define UNICODE
  28 #define _UNICODE
  29 #endif
  30
  31 #include <glib.h>
  32 #include <glib/gi18n.h>
  33 #include <gdk/gdkkeysyms.h>
  34 #include <gtk/gtk.h>
  35 #include <stdio.h>
  36 #include <sys/types.h>
  37 #include <sys/stat.h>
  38
  39 #include "main.h"
  40 #include "mimeview.h"
  41 #include "textview.h"
  42 #include "procmime.h"
  43 #include "summaryview.h"
  44 #include "menu.h"
  45 #include "filesel.h"
  46 #include "alertpanel.h"
  47 #include "inputdialog.h"
  48 #include "utils.h"
  49 #include "gtkutils.h"
  50 #include "prefs_common.h"
  51 #include "procheader.h"
  52 #include "stock_pixmap.h"
  53 #include "gtk/gtkvscrollbutton.h"
  54 #include "gtk/logwindow.h"
  55 #include "timing.h"
  56 #include "manage_window.h"
  57 #include "privacy.h"
  58
  59 typedef enum
  60 {
  61         COL_MIMETYPE = 0,
  62         COL_SIZE     = 1,
  63         COL_NAME     = 2,
  64         COL_DATA     = 3,
  65 } MimeViewColumnPos;
  66
  67 #define N_MIMEVIEW_COLS 4
  68
  69 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  70                                                  MimeInfo       *mimeinfo,
  71                                                  GtkTreeIter    *parent);
  72 static void mimeview_show_message_part          (MimeView       *mimeview,
  73                                                  MimeInfo       *partinfo);
  74 static void mimeview_change_view_type           (MimeView       *mimeview,
  75                                                  MimeViewType    type);
  76 static gchar *mimeview_get_filename_for_part    (MimeInfo       *partinfo,
  77                                                  const gchar    *basedir,
  78                                                  gint            number);
  79 static gboolean mimeview_write_part             (const gchar    *filename,
  80                                                  MimeInfo       *partinfo,
  81                                                  gboolean        handle_error);
  82
  83 static void mimeview_selected           (GtkTreeSelection       *selection,
  84                                          MimeView       *mimeview);
  85 static gint mimeview_button_pressed     (GtkWidget      *widget,
  86                                          GdkEventButton *event,
  87                                          MimeView       *mimeview);
  88 static gint mimeview_key_pressed        (GtkWidget      *widget,
  89                                          GdkEventKey    *event,
  90                                          MimeView       *mimeview);
  91
  92 static void mimeview_drag_data_get      (GtkWidget        *widget,
  93                                          GdkDragContext   *drag_context,
  94                                          GtkSelectionData *selection_data,
  95                                          guint             info,
  96                                          guint             time,
  97                                          MimeView         *mimeview);
  98
  99 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 100                                          GdkEventScroll *event,
 101                                          MimeView       *mimeview);
 102
 103 static void mimeview_save_all           (MimeView       *mimeview);
 104 #ifndef G_OS_WIN32
 105 static void mimeview_open_part_with     (MimeView       *mimeview,
 106                                          MimeInfo       *partinfo,
 107                                          gboolean        automatic);
 108 #endif
 109 static void mimeview_send_to            (MimeView       *mimeview,
 110                                          MimeInfo       *partinfo);
 111 static void mimeview_view_file          (const gchar    *filename,
 112                                          MimeInfo       *partinfo,
 113                                          const gchar    *cmd,
 114                                          MimeView       *mimeview);
 115 static gboolean icon_clicked_cb         (GtkWidget      *button,
 116                                          GdkEventButton *event,
 117                                          MimeView       *mimeview);
 118 static void icon_selected               (MimeView       *mimeview,
 119                                          gint            num,
 120                                          MimeInfo       *partinfo);
 121 static gint icon_key_pressed            (GtkWidget      *button,
 122                                          GdkEventKey    *event,
 123                                          MimeView       *mimeview);
 124 static void icon_list_append_icon       (MimeView       *mimeview,
 125                                          MimeInfo       *mimeinfo);
 126 static void icon_list_create            (MimeView       *mimeview,
 127                                          MimeInfo       *mimeinfo);
 128 static void icon_list_clear             (MimeView       *mimeview);
 129 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 130                                            MimeInfo     *mimeinfo);
 131 static void ctree_size_allocate_cb      (GtkWidget      *widget,
 132                                          GtkAllocation  *allocation,
 133                                          MimeView       *mimeview);
 134 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 135                                     MimeView *mimeview);
 136 static gboolean part_button_pressed     (MimeView       *mimeview,
 137                                          GdkEventButton *event,
 138                                          MimeInfo       *partinfo);
 139 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 140                                          GtkAllocation  *layout_size,
 141                                          MimeView       *mimeview);
 142 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 143 static const gchar *get_part_name(MimeInfo *partinfo);
 144 static const gchar *get_part_description(MimeInfo *partinfo);
 145
 146 static void mimeview_launch_cb(GtkAction *action, gpointer data)
 147 {
 148         MimeView *mimeview = (MimeView *)data;
 149         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 150 }
 151
 152 #ifndef G_OS_WIN32
 153 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
 154 {
 155         mimeview_open_with((MimeView *)data);
 156 }
 157 #endif
 158
 159 static void mimeview_send_to_cb(GtkAction *action, gpointer data)
 160 {
 161         MimeView *mimeview = (MimeView *)data;
 162         mimeview_send_to(mimeview, mimeview_get_part_to_use(mimeview));
 163 }
 164
 165 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
 166 {
 167         mimeview_display_as_text((MimeView *)data);
 168 }
 169
 170 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
 171 {
 172         mimeview_save_as((MimeView *)data);
 173 }
 174
 175 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
 176 {
 177         mimeview_save_all((MimeView *)data);
 178 }
 179
 180 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
 181 {
 182         mimeview_select_next_part((MimeView *)data);
 183 }
 184
 185 static void mimeview_select_prev_part_cb(GtkAction *action, gpointer data)
 186 {
 187         mimeview_select_prev_part((MimeView *)data);
 188 }
 189
 190 static GtkActionEntry mimeview_menu_actions[] = {
 191         { "MimeView", NULL, "MimeView" },
 192         { "MimeView/Open", NULL, N_("_Open"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
 193 #if (!defined G_OS_WIN32)
 194         { "MimeView/OpenWith", NULL, N_("Open _with..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
 195 #endif
 196         { "MimeView/SendTo", NULL, N_("Send to..."), NULL, "Send to", G_CALLBACK(mimeview_send_to_cb) },
 197         { "MimeView/DisplayAsText", NULL, N_("_Display as text"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
 198         { "MimeView/SaveAs", NULL, N_("_Save as..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
 199         { "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
 200         { "MimeView/NextPart", NULL, N_("Next part"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) },
 201         { "MimeView/PrevPart", NULL, N_("Previous part"), NULL, "Previous part", G_CALLBACK(mimeview_select_prev_part_cb) }
 202 };
 203
 204 static GtkTargetEntry mimeview_mime_types[] =
 205 {
 206         {"text/uri-list", 0, 0}
 207 };
 208
 209 GSList *mimeviewer_factories;
 210 GSList *mimeviews;
 211
 212 static GdkCursor *hand_cursor = NULL;
 213
 214 static gboolean mimeview_visi_notify(GtkWidget *widget,
 215                                        GdkEventVisibility *event,
 216                                        MimeView *mimeview)
 217 {
 218         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 219         return FALSE;
 220 }
 221
 222 static gboolean mimeview_leave_notify(GtkWidget *widget,
 223                                       GdkEventCrossing *event,
 224                                       MimeView *mimeview)
 225 {
 226         gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
 227         return FALSE;
 228 }
 229
 230 static gboolean mimeview_enter_notify(GtkWidget *widget,
 231                                       GdkEventCrossing *event,
 232                                       MimeView *mimeview)
 233 {
 234         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 235         return FALSE;
 236 }
 237
 238 MimeView *mimeview_create(MainWindow *mainwin)
 239 {
 240         MimeView *mimeview;
 241
 242         GtkWidget *paned;
 243         GtkWidget *scrolledwin;
 244         GtkWidget *ctree;
 245         GtkWidget *mime_notebook;
 246         GtkWidget *popupmenu;
 247         GtkWidget *ctree_mainbox;
 248         GtkWidget *vbox;
 249         GtkWidget *mime_toggle;
 250         GtkWidget *icon_mainbox;
 251         GtkWidget *icon_scroll;
 252         GtkWidget *icon_vbox;
 253         GtkWidget *arrow;
 254         GtkWidget *scrollbutton;
 255         GtkWidget *hbox;
 256         NoticeView *siginfoview;
 257         GtkRequisition r;
 258         GtkTreeStore *model;
 259         GtkCellRenderer *renderer;
 260         GtkTreeViewColumn *column;
 261         GtkTreeSelection *selection;
 262
 263         gchar *titles[N_MIMEVIEW_COLS];
 264         gint cols;
 265
 266         if (!hand_cursor)
 267                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 268
 269         debug_print("Creating MIME view...\n");
 270         mimeview = g_new0(MimeView, 1);
 271
 272         titles[COL_MIMETYPE] = _("MIME Type");
 273         titles[COL_SIZE]     = _("Size");
 274         titles[COL_NAME]     = _("Name");
 275
 276         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 277         gtk_widget_show(scrolledwin);
 278         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 279                                        GTK_POLICY_AUTOMATIC,
 280                                        GTK_POLICY_AUTOMATIC);
 281
 282         model = gtk_tree_store_new(N_MIMEVIEW_COLS,
 283                                    G_TYPE_STRING,
 284                                    G_TYPE_STRING,
 285                                    G_TYPE_STRING,
 286                                    G_TYPE_POINTER);
 287
 288         ctree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
 289         g_object_unref(model);
 290         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
 291         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(ctree),
 292                                         prefs_common.use_stripes_everywhere);
 293         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
 294                                         prefs_common.show_col_headers);
 295
 296         renderer = gtk_cell_renderer_text_new();
 297         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 298                                         -1, titles[COL_MIMETYPE],renderer,
 299                                         "text", COL_MIMETYPE, NULL);
 300         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 301
 302         renderer = gtk_cell_renderer_text_new();
 303         gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
 304         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 305                                         -1, titles[COL_SIZE], renderer,
 306                                         "text", COL_SIZE, NULL);
 307         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 308         gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
 309
 310         renderer = gtk_cell_renderer_text_new();
 311         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 312                                         -1, titles[COL_NAME], renderer,
 313                                         "text", COL_NAME, NULL);
 314         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 315         gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
 316
 317         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
 318         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 319
 320         gtk_widget_show(ctree);
 321         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 322         gtk_drag_source_set(ctree, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
 323                             mimeview_mime_types, 1, GDK_ACTION_COPY);
 324
 325         g_signal_connect(G_OBJECT(selection), "changed",
 326                          G_CALLBACK(mimeview_selected), mimeview);
 327         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 328                          G_CALLBACK(mimeview_button_pressed), mimeview);
 329         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 330                          G_CALLBACK(mimeview_key_pressed), mimeview);
 331         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 332                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 333
 334         mime_notebook = gtk_notebook_new();
 335         gtk_widget_show(mime_notebook);
 336         gtk_widget_set_can_focus(mime_notebook, FALSE);
 337         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 338         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 339
 340         icon_vbox = gtk_vbox_new(FALSE, 2);
 341         gtk_widget_show(icon_vbox);
 342         icon_scroll = gtk_layout_new(NULL, NULL);
 343         gtk_widget_show(icon_scroll);
 344         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 345         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 346         gtk_widget_show(scrollbutton);
 347
 348         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 349                          G_CALLBACK(mimeview_scrolled), mimeview);
 350
 351         mime_toggle = gtk_event_box_new();
 352         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 353
 354         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 355                          G_CALLBACK(mimeview_visi_notify), mimeview);
 356         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 357                          G_CALLBACK(mimeview_leave_notify), mimeview);
 358         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 359                          G_CALLBACK(mimeview_enter_notify), mimeview);
 360
 361         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 362         gtk_widget_show(mime_toggle);
 363         mimeview->ctree_mode = FALSE;
 364         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 365         gtk_widget_show(arrow);
 366         gtk_widget_size_request(arrow, &r);
 367         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 368         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 369                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 370
 371         icon_mainbox = gtk_vbox_new(FALSE, 0);
 372         gtk_widget_show(icon_mainbox);
 373         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 374         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 375         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 376         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 377         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 378                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 379
 380         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 381         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 382         g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
 383                          G_CALLBACK(ctree_size_allocate_cb), mimeview);
 384
 385         mimeview->ui_manager = gtk_ui_manager_new();
 386         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 387                         "MimeView", mimeview_menu_actions,
 388                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 389
 390         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 391         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 392                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 393         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 394                         "/Menus/MimeView/", "Open", "MimeView/Open",
 395                         GTK_UI_MANAGER_MENUITEM);
 396 #if (!defined G_OS_WIN32)
 397         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 398                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 399                         GTK_UI_MANAGER_MENUITEM);
 400 #endif
 401         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 402                         "/Menus/MimeView/", "SendTo", "MimeView/SendTo",
 403                         GTK_UI_MANAGER_MENUITEM);
 404         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 405                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 406                         GTK_UI_MANAGER_MENUITEM);
 407         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 408                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 409                         GTK_UI_MANAGER_MENUITEM);
 410         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 411                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 412                         GTK_UI_MANAGER_MENUITEM);
 413         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 414                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 415                         GTK_UI_MANAGER_MENUITEM);
 416         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 417                         "/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
 418                         GTK_UI_MANAGER_MENUITEM);
 419
 420         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 421                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 422
 423
 424         vbox = gtk_vbox_new(FALSE, 0);
 425         gtk_widget_show(vbox);
 426         siginfoview = noticeview_create(mainwin);
 427         noticeview_hide(siginfoview);
 428         noticeview_set_icon_clickable(siginfoview, TRUE);
 429         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 430         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 431
 432         paned = gtk_vpaned_new();
 433         gtk_widget_show(paned);
 434         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 435         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 436
 437         hbox = gtk_hbox_new(FALSE, 0);
 438         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 439         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 440
 441         gtk_widget_show(hbox);
 442         gtk_widget_hide(ctree_mainbox);
 443 #ifdef GENERIC_UMPC
 444         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 445 #endif
 446         mimeview->hbox          = hbox;
 447         mimeview->paned         = paned;
 448         mimeview->scrolledwin   = scrolledwin;
 449         mimeview->ctree         = ctree;
 450         mimeview->mime_notebook = mime_notebook;
 451         mimeview->popupmenu     = popupmenu;
 452         mimeview->type          = -1;
 453         mimeview->ctree_mainbox = ctree_mainbox;
 454         mimeview->icon_scroll   = icon_scroll;
 455         mimeview->icon_vbox     = icon_vbox;
 456         mimeview->icon_mainbox  = icon_mainbox;
 457         mimeview->icon_count    = 0;
 458         mimeview->mainwin       = mainwin;
 459         mimeview->mime_toggle   = mime_toggle;
 460         mimeview->siginfoview   = siginfoview;
 461         mimeview->scrollbutton  = scrollbutton;
 462         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 463
 464         mimeviews = g_slist_prepend(mimeviews, mimeview);
 465
 466         return mimeview;
 467 }
 468
 469 void mimeview_init(MimeView *mimeview)
 470 {
 471         textview_init(mimeview->textview);
 472
 473         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 474                 GTK_WIDGET_PTR(mimeview->textview));
 475 }
 476
 477 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 478 {
 479         while (mimeinfo) {
 480                 if (privacy_mimeinfo_is_signed(mimeinfo))
 481                         return TRUE;
 482                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 483         }
 484
 485         return FALSE;
 486 }
 487
 488 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 489                            const gchar *file)
 490 {
 491         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 492
 493         mimeview_clear(mimeview);
 494
 495         cm_return_if_fail(file != NULL);
 496         cm_return_if_fail(mimeinfo != NULL);
 497
 498         mimeview->mimeinfo = mimeinfo;
 499
 500         mimeview->file = g_strdup(file);
 501
 502         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 503                                         mimeview);
 504
 505         /* check if the mail's signed - it can change the mail structure */
 506
 507         if (any_part_is_signed(mimeinfo))
 508                 debug_print("signed mail\n");
 509
 510         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 511         gtk_tree_view_expand_all(ctree);
 512         icon_list_clear(mimeview);
 513         icon_list_create(mimeview, mimeinfo);
 514
 515         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 516                                           mimeview_selected, mimeview);
 517 }
 518
 519 #ifdef USE_PTHREAD
 520 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 521 #endif
 522
 523 static void mimeview_free_mimeinfo(MimeView *mimeview)
 524 {
 525         gboolean defer = FALSE;
 526 #ifdef USE_PTHREAD
 527         defer = (mimeview->check_data != NULL);
 528         if (defer)
 529                 mimeview->check_data->free_after_use = TRUE;
 530 #endif
 531         if (mimeview->mimeinfo != NULL && !defer) {
 532                 procmime_mimeinfo_free_all(&mimeview->mimeinfo);
 533                 mimeview->mimeinfo = NULL;
 534         } else if (defer) {
 535 #ifdef USE_PTHREAD
 536                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 537                 mimeview_check_sig_cancel_now(mimeview);
 538 #endif
 539         }
 540 }
 541
 542 void mimeview_destroy(MimeView *mimeview)
 543 {
 544         GSList *cur;
 545
 546         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 547                 MimeViewer *viewer = (MimeViewer *) cur->data;
 548                 viewer->destroy_viewer(viewer);
 549         }
 550         g_slist_free(mimeview->viewers);
 551         gtk_target_list_unref(mimeview->target_list);
 552
 553 #ifdef USE_PTHREAD
 554         if (mimeview->check_data) {
 555                 mimeview->check_data->destroy_mimeview = TRUE;
 556                 debug_print("deferring destroy\n");
 557         } else
 558 #endif
 559         {
 560                 mimeview_free_mimeinfo(mimeview);
 561                 gtk_tree_path_free(mimeview->opened);
 562                 g_free(mimeview->file);
 563                 g_free(mimeview);
 564                 mimeviews = g_slist_remove(mimeviews, mimeview);
 565         }
 566
 567 }
 568
 569 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 570 {
 571         return gtkut_tree_view_get_selected_pointer(
 572                         GTK_TREE_VIEW(mimeview->ctree), COL_DATA,
 573                         NULL, NULL, NULL);
 574 }
 575
 576 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 577 {
 578         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 579         GtkTreeIter iter;
 580         MimeInfo *partinfo;
 581
 582         gtk_tree_model_get_iter(model, &iter, path);
 583         gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 584         return partinfo;
 585 }
 586
 587 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 588 {
 589         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 590         GtkTreeIter iter;
 591         return !gtk_tree_model_get_iter_first(model, &iter);
 592 }
 593
 594 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 595 {
 596         GtkTreeIter iter, parent;
 597         gboolean has_parent;
 598
 599         gtk_tree_model_get_iter(model, &iter, path);
 600
 601         if (gtk_tree_model_iter_has_child(model, &iter)) {
 602                 gtk_tree_path_down(path);
 603                 return TRUE;
 604         }
 605
 606         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 607
 608         if (!gtk_tree_model_iter_next(model, &iter)) {
 609                 while (has_parent) {
 610                         GtkTreeIter saved_parent = parent;
 611                         gtk_tree_path_up(path);
 612                         if (gtk_tree_model_iter_next(model, &parent)) {
 613                                 gtk_tree_path_next(path);
 614                                 return TRUE;
 615                         } else {
 616                                 has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 617                         }
 618                 }
 619
 620         } else {
 621                 gtk_tree_path_next(path);
 622                 return TRUE;
 623         }
 624
 625         return FALSE;
 626 }
 627
 628 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 629 {
 630         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 631         GtkTreeIter iter, child, parent;
 632         gboolean has_parent;
 633
 634         gtk_tree_model_get_iter(model, &iter, path);
 635         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 636
 637         if (gtk_tree_path_prev(path)) {
 638                 gtk_tree_model_get_iter(model, &iter, path);
 639
 640                 if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 641                         gtk_tree_path_down(path);
 642
 643                         while (gtk_tree_model_iter_next(model, &child))
 644                                 gtk_tree_path_next(path);
 645                 }
 646
 647                 return TRUE;
 648         }
 649
 650         if (has_parent) {
 651                 gtk_tree_path_up(path);
 652                 return TRUE;
 653         }
 654
 655         return FALSE;
 656 }
 657
 658 gint mimeview_get_selected_part_num(MimeView *mimeview)
 659 {
 660         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 661         GtkTreeIter iter;
 662         GtkTreePath *path;
 663         gint i = 0;
 664
 665         if (!gtk_tree_model_get_iter_first(model, &iter))
 666                 return -1;
 667         path = gtk_tree_model_get_path(model, &iter);
 668
 669         do {
 670                 if (!gtk_tree_path_compare(mimeview->opened, path)) {
 671                         gtk_tree_path_free(path);
 672                         return i;
 673                 }
 674
 675                 i++;
 676         } while (mimeview_tree_next(model, path));
 677
 678         gtk_tree_path_free(path);
 679
 680         return -1;
 681 }
 682
 683 void mimeview_select_part_num(MimeView *mimeview, gint i)
 684 {
 685         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 686         GtkTreeIter iter;
 687         GtkTreePath *path;
 688         GtkTreeSelection *selection;
 689         gint x = 0;
 690
 691         if (i < 0)
 692                 return;
 693
 694         if (!gtk_tree_model_get_iter_first(model, &iter))
 695                 return;
 696         path = gtk_tree_model_get_path(model, &iter);
 697
 698         while (x != i) {
 699                 if (!mimeview_tree_next(model, path)) {
 700                         gtk_tree_path_free(path);
 701                         return;
 702                 }
 703                 x++;
 704         }
 705
 706         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 707         gtk_tree_selection_select_path(selection, path);
 708         gtk_tree_path_free(path);
 709 }
 710
 711 static void mimeview_set_multipart_tree(MimeView *mimeview,
 712                                         MimeInfo *mimeinfo,
 713                                         GtkTreeIter *parent)
 714 {
 715         GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 716                                         GTK_TREE_VIEW(mimeview->ctree)));
 717         GtkTreeIter iter;
 718         gchar *content_type, *length, *name;
 719
 720         cm_return_if_fail(mimeinfo != NULL);
 721
 722         while (mimeinfo != NULL) {
 723                 if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 724                         content_type = g_strdup_printf("%s/%s",
 725                                         procmime_get_media_type_str(mimeinfo->type),
 726                                         mimeinfo->subtype);
 727                 else
 728                         content_type = g_strdup("UNKNOWN");
 729
 730                 length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 731
 732                 if (prefs_common.attach_desc)
 733                         name = g_strdup(get_part_description(mimeinfo));
 734                 else
 735                         name = g_strdup(get_part_name(mimeinfo));
 736
 737                 gtk_tree_store_append(model, &iter, parent);
 738                 gtk_tree_store_set(model, &iter,
 739                                 COL_MIMETYPE, content_type,
 740                                 COL_SIZE, length,
 741                                 COL_NAME, name,
 742                                 COL_DATA, mimeinfo, -1);
 743                 g_free(content_type);
 744                 g_free(length);
 745                 g_free(name);
 746
 747                 if (mimeinfo->node->children)
 748                         mimeview_set_multipart_tree(mimeview,
 749                                 (MimeInfo *) mimeinfo->node->children->data, &iter);
 750                 mimeinfo = mimeinfo->node->next != NULL ?
 751                                 (MimeInfo *) mimeinfo->node->next->data : NULL;
 752         }
 753 }
 754
 755 static const gchar *get_real_part_name(MimeInfo *partinfo)
 756 {
 757         const gchar *name = NULL;
 758
 759         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 760         if (name == NULL)
 761                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 762
 763         return name;
 764 }
 765
 766 static const gchar *get_part_name(MimeInfo *partinfo)
 767 {
 768         const gchar *name;
 769
 770         name = get_real_part_name(partinfo);
 771         if (name == NULL)
 772                 name = "";
 773
 774         return name;
 775 }
 776
 777 static const gchar *get_part_description(MimeInfo *partinfo)
 778 {
 779         if (partinfo->description)
 780                 return partinfo->description;
 781         else
 782                 return get_part_name(partinfo);
 783 }
 784
 785 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 786 {
 787         FILE *fp;
 788         const gchar *fname;
 789
 790         if (!partinfo) return;
 791
 792         fname = mimeview->file;
 793         if (!fname) return;
 794
 795         if ((fp = g_fopen(fname, "rb")) == NULL) {
 796                 FILE_OP_ERROR(fname, "fopen");
 797                 return;
 798         }
 799
 800         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 801                 FILE_OP_ERROR(mimeview->file, "fseek");
 802                 fclose(fp);
 803                 return;
 804         }
 805
 806         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 807         textview_show_part(mimeview->textview, partinfo, fp);
 808
 809         fclose(fp);
 810 }
 811
 812 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 813 {
 814         GSList *cur;
 815         MimeViewerFactory *factory = NULL;
 816         MimeViewer *viewer = NULL;
 817         gchar *real_contenttype = NULL, *tmp;
 818
 819         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 820
 821         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 822                 MimeViewerFactory *curfactory = cur->data;
 823                 gint i = 0;
 824
 825                 while (curfactory->content_types[i] != NULL) {
 826                         tmp = g_utf8_strdown(curfactory->content_types[i], -1);
 827                         if (g_pattern_match_simple(tmp, real_contenttype)) {
 828                                 debug_print("%s\n", curfactory->content_types[i]);
 829                                 factory = curfactory;
 830                                 g_free(tmp);
 831                                 break;
 832                         }
 833                         g_free(tmp);
 834                         i++;
 835                 }
 836                 if (factory != NULL)
 837                         break;
 838         }
 839         g_free(real_contenttype);
 840         if (factory == NULL)
 841                 return NULL;
 842
 843         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 844                 MimeViewer *curviewer = cur->data;
 845
 846                 if (curviewer->factory == factory)
 847                         return curviewer;
 848         }
 849         viewer = factory->create_viewer();
 850         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 851                 GTK_WIDGET(viewer->get_widget(viewer)));
 852
 853         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 854
 855         return viewer;
 856 }
 857
 858 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 859 {
 860         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 861 }
 862
 863 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 864 {
 865         gchar *content_type = NULL;
 866         MimeViewer *viewer = NULL;
 867
 868         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 869             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 870                 const gchar *filename;
 871
 872                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 873                 if (filename == NULL)
 874                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 875                 if (filename != NULL)
 876                         content_type = procmime_get_mime_type(filename);
 877         } else {
 878                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 879         }
 880
 881         if (content_type != NULL) {
 882                 viewer = get_viewer_for_content_type(mimeview, content_type);
 883                 g_free(content_type);
 884         }
 885
 886         return viewer;
 887 }
 888
 889 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 890 {
 891         MimeViewer *viewer;
 892
 893         if (mimeview->messageview->partial_display_shown) {
 894                 noticeview_hide(mimeview->messageview->noticeview);
 895                 mimeview->messageview->partial_display_shown = FALSE;
 896         }
 897
 898         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 899         if (viewer == NULL) {
 900                 if (mimeview->mimeviewer != NULL)
 901                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 902                 mimeview->mimeviewer = NULL;
 903                 return FALSE;
 904         }
 905
 906         if (mimeview->mimeviewer != NULL)
 907                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 908
 909         if (mimeview->mimeviewer != viewer)
 910                 mimeview->mimeviewer = viewer;
 911
 912         mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 913         viewer->mimeview = mimeview;
 914         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 915
 916         return TRUE;
 917 }
 918
 919 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 920 {
 921         TextView  *textview  = mimeview->textview;
 922         GtkWidget *focused = NULL;
 923
 924         if (mainwindow_get_mainwindow())
 925                 focused = gtkut_get_focused_child(
 926                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 927
 928         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 929             (mimeview->type == type)) return;
 930
 931         switch (type) {
 932         case MIMEVIEW_TEXT:
 933                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 934                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 935                         GTK_WIDGET_PTR(textview)));
 936                 break;
 937         case MIMEVIEW_VIEWER:
 938                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 939                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 940                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 941                 break;
 942         default:
 943                 return;
 944         }
 945         if (focused)
 946                 gtk_widget_grab_focus(focused);
 947         mimeview->type = type;
 948 }
 949
 950 void mimeview_clear(MimeView *mimeview)
 951 {
 952         GtkTreeModel *model;
 953
 954         if (!mimeview)
 955                 return;
 956
 957         if (g_slist_find(mimeviews, mimeview) == NULL)
 958                 return;
 959
 960         noticeview_hide(mimeview->siginfoview);
 961
 962         model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 963         gtk_tree_store_clear(GTK_TREE_STORE(model));
 964
 965         textview_clear(mimeview->textview);
 966         if (mimeview->mimeviewer != NULL)
 967                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 968
 969         mimeview_free_mimeinfo(mimeview);
 970
 971         mimeview->mimeinfo = NULL;
 972
 973         gtk_tree_path_free(mimeview->opened);
 974         mimeview->opened = NULL;
 975
 976         g_free(mimeview->file);
 977         mimeview->file = NULL;
 978
 979         icon_list_clear(mimeview);
 980         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 981 }
 982
 983 gchar * get_message_check_signature_shortcut(MessageView *messageview) {
 984         GtkUIManager *ui_manager;
 985
 986         if (messageview->window != NULL)
 987                         ui_manager = messageview->ui_manager;
 988                 else
 989                         ui_manager = messageview->mainwin->ui_manager;
 990
 991         return cm_menu_item_get_shortcut(ui_manager, "Menu/Message/CheckSignature");
 992 }
 993
 994 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 995 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 996
 997 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
 998                                         gboolean special, SignatureStatus code)
 999 {
1000         gchar *text = NULL, *button_text = NULL;
1001         void  *func = NULL;
1002         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1003         SignatureStatus mycode = SIGNATURE_UNCHECKED;
1004
1005         cm_return_if_fail(mimeview != NULL);
1006         cm_return_if_fail(mimeinfo != NULL);
1007
1008         if (special)
1009                 mycode = code;
1010         else
1011                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1012
1013         switch (mycode) {
1014         case SIGNATURE_UNCHECKED:
1015                 button_text = _("Check signature");
1016                 func = check_signature_cb;
1017                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1018                 break;
1019         case SIGNATURE_OK:
1020                 button_text = _("View full information");
1021                 func = display_full_info_cb;
1022                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
1023                 break;
1024         case SIGNATURE_WARN:
1025                 button_text = _("View full information");
1026                 func = display_full_info_cb;
1027                 icon = STOCK_PIXMAP_PRIVACY_WARN;
1028                 break;
1029         case SIGNATURE_KEY_EXPIRED:
1030                 button_text = _("View full information");
1031                 func = display_full_info_cb;
1032                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1033                 break;
1034         case SIGNATURE_INVALID:
1035                 button_text = _("View full information");
1036                 func = display_full_info_cb;
1037                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
1038                 break;
1039         case SIGNATURE_CHECK_FAILED:
1040         case SIGNATURE_CHECK_TIMEOUT:
1041                 button_text = _("Check again");
1042                 func = check_signature_cb;
1043                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1044                 break;
1045         default:
1046                 break;
1047         }
1048         if (mycode == SIGNATURE_UNCHECKED) {
1049                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1050                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1051
1052                 if (*shortcut == '\0')
1053                         text = g_strdup_printf(_("%s Click the icon to check it."), tmp);
1054                 else
1055                         text = g_strdup_printf(_("%s Click the icon or hit '%s' to check it."),
1056                                 tmp, shortcut);
1057                 g_free(tmp);
1058                 g_free(shortcut);
1059         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1060                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1061         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1062                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1063
1064                 if (*shortcut == '\0')
1065                         text = g_strdup(_("Timeout checking the signature. Click the icon to try again."));
1066                 else
1067                         text = g_strdup_printf(_("Timeout checking the signature. Click the icon or hit '%s' to try again."), shortcut);
1068                 g_free(shortcut);
1069         }
1070
1071         noticeview_set_text(mimeview->siginfoview, text);
1072         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1073
1074         g_free(text);
1075         noticeview_set_button_text(mimeview->siginfoview, NULL);
1076         noticeview_set_button_press_callback(
1077                 mimeview->siginfoview,
1078                 G_CALLBACK(func),
1079                 (gpointer) mimeview);
1080         noticeview_set_icon(mimeview->siginfoview, icon);
1081         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1082
1083         icon_list_clear(mimeview);
1084         icon_list_create(mimeview, mimeview->mimeinfo);
1085 }
1086
1087 #ifdef USE_PTHREAD
1088
1089 /* reset all thread stuff, and do the cleanups we've been left to do */
1090 static void mimeview_check_data_reset(MimeView *mimeview)
1091 {
1092         gboolean must_free;
1093         gboolean must_destroy;
1094
1095         if (!mimeview->check_data)
1096                 return;
1097
1098         must_free = mimeview->check_data->free_after_use;
1099         must_destroy = mimeview->check_data->destroy_mimeview;
1100
1101         if (mimeview->check_data->cancel_th_init) {
1102                 debug_print("killing canceller thread\n");
1103                 mimeview->check_data->cancel_th_init = FALSE;
1104                 pthread_cancel(mimeview->check_data->cancel_th);
1105         }
1106
1107         if (must_free) {
1108                 debug_print("freeing deferred mimeinfo\n");
1109                 procmime_mimeinfo_free_all(&mimeview->check_data->siginfo);
1110         }
1111
1112         g_free(mimeview->check_data);
1113         mimeview->check_data = NULL;
1114
1115         if (must_destroy) {
1116                 debug_print("freeing deferred mimeview\n");
1117                 mimeview_free_mimeinfo(mimeview);
1118                 gtk_tree_path_free(mimeview->opened);
1119                 g_free(mimeview->file);
1120                 g_free(mimeview);
1121                 mimeviews = g_slist_remove(mimeviews, mimeview);
1122         }
1123 }
1124
1125 /* GUI update once the checker thread is done or killed */
1126 static gboolean mimeview_check_sig_thread_cb(void *data)
1127 {
1128         MimeView *mimeview = (MimeView *) data;
1129         MimeInfo *mimeinfo = mimeview->siginfo;
1130
1131         debug_print("mimeview_check_sig_thread_cb\n");
1132
1133         if (mimeinfo == NULL) {
1134                 /* message changed !? */
1135                 g_warning("no more siginfo!");
1136                 goto end;
1137         }
1138
1139         if (!mimeview->check_data) {
1140                 g_warning("nothing to check");
1141                 return FALSE;
1142         }
1143
1144         if (mimeview->check_data->siginfo != mimeinfo) {
1145                 /* message changed !? */
1146                 g_warning("different siginfo!");
1147                 goto end;
1148         }
1149
1150         if (mimeview->check_data->destroy_mimeview ||
1151             mimeview->check_data->free_after_use) {
1152                 debug_print("not bothering, we're changing message\n");
1153                 goto end;
1154         }
1155
1156         /* update status */
1157         if (mimeview->check_data->timeout)
1158                 update_signature_noticeview(mimeview, mimeview->siginfo,
1159                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1160         else
1161                 update_signature_noticeview(mimeview, mimeview->siginfo,
1162                         FALSE, 0);
1163
1164 end:
1165         mimeview_check_data_reset(mimeview);
1166         return FALSE;
1167 }
1168
1169 /* sig checker thread */
1170 static void *mimeview_check_sig_worker_thread(void *data)
1171 {
1172         MimeView *mimeview = (MimeView *)data;
1173         MimeInfo *mimeinfo = mimeview->siginfo;
1174
1175         debug_print("checking...\n");
1176
1177         if (!mimeview->check_data)
1178                 return NULL;
1179
1180         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1181                 privacy_mimeinfo_check_signature(mimeinfo);
1182                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1183                         mimeview->check_data->cancel_th_init = FALSE;
1184                         pthread_cancel(mimeview->check_data->cancel_th);
1185                 }
1186         } else {
1187                 /* that's strange! we changed message without
1188                  * getting killed. */
1189                 g_warning("different siginfo!");
1190                 mimeview_check_data_reset(mimeview);
1191                 return NULL;
1192         }
1193
1194         /* use g_timeout so that GUI updates is done from the
1195          * correct thread */
1196         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1197
1198         return NULL;
1199 }
1200
1201 /* killer thread - acts when the checker didn't work fast
1202  * enough. */
1203 static void *mimeview_check_sig_cancel_thread(void *data)
1204 {
1205         MimeView *mimeview = (MimeView *)data;
1206
1207         if (!mimeview->check_data)
1208                 return NULL; /* nothing to kill ! */
1209
1210         /* wait for a few seconds... */
1211         debug_print("waiting a while\n");
1212
1213         g_usleep(5 * 1000 * 1000);
1214
1215         if (!mimeview->check_data)
1216                 return NULL; /* nothing to kill, it's done in time :) */
1217
1218         /* too late, go away checker thread */
1219         debug_print("killing checker thread\n");
1220         if (mimeview->check_data->th_init) {
1221                 mimeview->check_data->th_init = FALSE;
1222                 pthread_cancel(mimeview->check_data->th);
1223         }
1224
1225         /* tell upstream it was a timeout */
1226         mimeview->check_data->timeout = TRUE;
1227         /* use g_timeout so that GUI updates is done from the
1228          * correct thread */
1229         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1230
1231         return NULL;
1232 }
1233
1234 /* get rid of the checker thread right now - used when changing the
1235  * displayed message for example. */
1236 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1237 {
1238         if (!mimeview->check_data)
1239                 return;
1240         debug_print("killing checker thread NOW\n");
1241         if (mimeview->check_data->th_init) {
1242                 mimeview->check_data->th_init = FALSE;
1243                 pthread_cancel(mimeview->check_data->th);
1244         }
1245
1246         /* tell upstream it was a timeout */
1247         mimeview->check_data->timeout = TRUE;
1248         mimeview_check_sig_thread_cb(mimeview);
1249         return;
1250 }
1251
1252 /* creates a thread to check the signature, and a second one
1253  * to kill the first one after a timeout */
1254 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1255 {
1256         pthread_t th, th2;
1257         pthread_attr_t detach, detach2;
1258
1259         if (mimeview->check_data) {
1260                 g_warning("already checking it");
1261                 return;
1262         }
1263
1264         mimeview->check_data = g_new0(SigCheckData, 1);
1265         mimeview->check_data->siginfo = mimeview->siginfo;
1266         debug_print("creating thread\n");
1267
1268         /* init thread attributes and create the checker thread */
1269         if (pthread_attr_init(&detach) != 0 ||
1270             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1271             pthread_attr_init(&detach2) != 0 ||
1272             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1273             pthread_create(&th, &detach,
1274                         mimeview_check_sig_worker_thread,
1275                         mimeview) != 0) {
1276                 /* arh. We'll do it synchronously. */
1277                 g_warning("can't create thread");
1278                 g_free(mimeview->check_data);
1279                 mimeview->check_data = NULL;
1280                 return;
1281         } else {
1282                 mimeview->check_data->th = th;
1283                 mimeview->check_data->th_init = TRUE;
1284         }
1285
1286         /* create the killer thread */
1287         pthread_create(&th2, &detach2,
1288                         mimeview_check_sig_cancel_thread,
1289                         mimeview);
1290
1291         mimeview->check_data->cancel_th = th2;
1292         mimeview->check_data->cancel_th_init = TRUE;
1293 }
1294 #endif
1295
1296 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1297 {
1298         MimeView *mimeview = (MimeView *) user_data;
1299         MimeInfo *mimeinfo = mimeview->siginfo;
1300
1301         if (mimeinfo == NULL)
1302                 return;
1303 #ifdef USE_PTHREAD
1304         if (mimeview->check_data)
1305                 return;
1306 #endif
1307         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1308         GTK_EVENTS_FLUSH();
1309 #ifdef USE_PTHREAD
1310         /* let's do it non-blocking */
1311         mimeview_check_sig_in_thread(mimeview);
1312         if (!mimeview->check_data) /* let's check syncronously */
1313 #endif
1314         {
1315                 debug_print("checking without thread\n");
1316                 privacy_mimeinfo_check_signature(mimeinfo);
1317                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1318         }
1319 }
1320
1321 void mimeview_check_signature(MimeView *mimeview)
1322 {
1323         check_signature_cb(NULL, mimeview);
1324 }
1325
1326 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1327 {
1328         MimeView *mimeview = (MimeView *) user_data;
1329         gtk_tree_path_free(mimeview->opened);
1330         mimeview->opened = NULL;
1331         mimeview_selected(gtk_tree_view_get_selection(
1332                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1333 }
1334
1335 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1336 {
1337         MimeView *mimeview = (MimeView *) user_data;
1338         gchar *siginfo;
1339
1340         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1341         textview_set_text(mimeview->textview, siginfo);
1342         g_free(siginfo);
1343         noticeview_set_button_text(mimeview->siginfoview, NULL);
1344         noticeview_set_button_press_callback(
1345                 mimeview->siginfoview,
1346                 G_CALLBACK(redisplay_email),
1347                 (gpointer) mimeview);
1348         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1349 }
1350
1351 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1352 {
1353         MimeInfo *siginfo;
1354         MimeInfo *first_text;
1355
1356         cm_return_if_fail(mimeview != NULL);
1357         cm_return_if_fail(selected != NULL);
1358
1359         if (selected->type == MIMETYPE_MESSAGE
1360         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1361                 /* if the first text part is signed, check that */
1362                 first_text = selected;
1363                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1364                         first_text = procmime_mimeinfo_next(first_text);
1365                 }
1366                 if (first_text) {
1367                         update_signature_info(mimeview, first_text);
1368                         return;
1369                 }
1370         }
1371
1372         siginfo = selected;
1373         while (siginfo != NULL) {
1374                 if (privacy_mimeinfo_is_signed(siginfo))
1375                         break;
1376                 siginfo = procmime_mimeinfo_parent(siginfo);
1377         }
1378         mimeview->siginfo = siginfo;
1379
1380         /* This shortcut boolean is there to correctly set the menu's
1381          * CheckSignature item sensitivity without killing performance
1382          * each time the menu sensitiveness is updated (a lot).
1383          */
1384         mimeview->signed_part = (siginfo != NULL);
1385
1386         if (siginfo == NULL) {
1387                 noticeview_hide(mimeview->siginfoview);
1388                 return;
1389         }
1390
1391         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1392         noticeview_show(mimeview->siginfoview);
1393 }
1394
1395 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1396 {
1397         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1398         GtkTreeModel *model;
1399         GtkTreeIter iter;
1400         GtkTreePath *path;
1401         MimeInfo *partinfo;
1402         MainWindow *mainwin;
1403
1404         selection = gtk_tree_view_get_selection(ctree);
1405         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1406                 return;
1407
1408         path = gtk_tree_model_get_path(model, &iter);
1409
1410         if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1411                 gtk_tree_path_free(path);
1412                 return;
1413         }
1414
1415         gtk_tree_path_free(mimeview->opened);
1416         mimeview->opened = path;
1417         mimeview->spec_part = NULL;
1418         gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1419
1420         partinfo = mimeview_get_node_part(mimeview, path);
1421         if (!partinfo) return;
1422
1423         /* ungrab the mouse event */
1424         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1425                 gtk_grab_remove(GTK_WIDGET(ctree));
1426                 if (gdk_pointer_is_grabbed())
1427                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1428         }
1429
1430         mimeview->textview->default_text = FALSE;
1431
1432         update_signature_info(mimeview, partinfo);
1433
1434         if (!mimeview_show_part(mimeview, partinfo)) {
1435                 switch (partinfo->type) {
1436                 case MIMETYPE_TEXT:
1437                 case MIMETYPE_MESSAGE:
1438                 case MIMETYPE_MULTIPART:
1439                         mimeview_show_message_part(mimeview, partinfo);
1440
1441                         break;
1442                 default:
1443                         mimeview->textview->default_text = TRUE;
1444                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1445                         textview_clear(mimeview->textview);
1446                         textview_show_mime_part(mimeview->textview, partinfo);
1447                         break;
1448                 }
1449         }
1450         mainwin = mainwindow_get_mainwindow();
1451         if (mainwin)
1452                 main_window_set_menu_sensitive(mainwin);
1453
1454         if (mimeview->siginfo && privacy_auto_check_signatures(mimeview->siginfo)
1455         &&  privacy_mimeinfo_get_sig_status(mimeview->siginfo) == SIGNATURE_UNCHECKED) {
1456                 mimeview_check_signature(mimeview);
1457         }
1458 }
1459
1460 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1461                                     MimeView *mimeview)
1462 {
1463         GtkTreeSelection *selection;
1464         GtkTreeIter iter;
1465
1466         if (!event) return FALSE;
1467
1468         if (event->button == 2 || event->button == 3) {
1469                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1470                 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1471                         return FALSE;
1472
1473                 gtk_tree_selection_select_iter(selection, &iter);
1474         }
1475         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1476
1477         return FALSE;
1478 }
1479
1480 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1481                                     MimeView *mimeview)
1482 {
1483         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1484         if (event->direction == GDK_SCROLL_UP) {
1485                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1486         } else {
1487                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1488         }
1489         gtk_vscrollbutton_scroll(scrollbutton);
1490         return TRUE;
1491 }
1492
1493 /* from gdkevents.c */
1494 #define DOUBLE_CLICK_TIME 250
1495
1496 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1497                                     MimeInfo *partinfo)
1498 {
1499         static MimeInfo *lastinfo;
1500         static guint32 lasttime;
1501
1502         if (event->button == 2 ||
1503             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1504                 /* call external program for image, audio or html */
1505                 mimeview_launch(mimeview, partinfo);
1506                 return TRUE;
1507         } else if (event->button == 3) {
1508                 MainWindow *mainwin = mainwindow_get_mainwindow();
1509
1510                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1511                                  partinfo->type == MIMETYPE_IMAGE ||
1512                                  partinfo->type == MIMETYPE_MULTIPART))
1513                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1514                 else
1515                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1516 #ifndef G_OS_WIN32
1517                 if (partinfo &&
1518                     partinfo->type == MIMETYPE_APPLICATION &&
1519                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1520                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1521                 else
1522 #endif
1523                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1524                 if (mainwin)
1525                         main_window_set_menu_sensitive(mainwin);
1526                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1527                                   "pop_partinfo", partinfo);
1528
1529                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1530                                NULL, NULL, NULL, NULL,
1531                                event->button, event->time);
1532                 return TRUE;
1533         }
1534
1535         lastinfo = partinfo;
1536         lasttime = event->time;
1537         return FALSE;
1538 }
1539
1540
1541 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1542 {
1543         return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1544 }
1545
1546 void mimeview_select_next_part(MimeView *mimeview)
1547 {
1548         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1549         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1550         GtkTreeSelection *selection;
1551         GtkTreeIter iter;
1552         GtkTreePath *path;
1553         MimeInfo *partinfo = NULL;
1554         gboolean has_next;
1555
1556         if (!mimeview->opened) return;
1557
1558         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1559         path = gtk_tree_model_get_path(model, &iter);
1560 skip:
1561         has_next = mimeview_tree_next(model, path);
1562         if (!has_next) {
1563                 has_next = gtk_tree_model_get_iter_first(model, &iter);
1564                 gtk_tree_path_free(path);
1565                 path = gtk_tree_model_get_path(model, &iter);
1566         }
1567
1568         if (has_next) {
1569                 partinfo = mimeview_get_node_part(mimeview, path);
1570                 if (partinfo->type == MIMETYPE_MULTIPART ||
1571                     (!prefs_common.show_inline_attachments && partinfo->id))
1572                         goto skip;
1573                 selection = gtk_tree_view_get_selection(ctree);
1574                 gtk_tree_selection_select_path(selection, path);
1575                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1576         }
1577
1578         gtk_tree_path_free(path);
1579 }
1580
1581 void mimeview_select_prev_part(MimeView *mimeview)
1582 {
1583         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1584         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1585         GtkTreeSelection *selection;
1586         GtkTreeIter iter;
1587         GtkTreePath *path;
1588         MimeInfo *partinfo = NULL;
1589         gboolean has_prev;
1590
1591         if (!mimeview->opened) return;
1592
1593         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1594         path = gtk_tree_model_get_path(model, &iter);
1595 skip:
1596         has_prev = mimeview_tree_prev(mimeview, path);
1597         if (!has_prev) {
1598                 while (mimeview_tree_next(model, path)) {}
1599                 has_prev = TRUE;
1600         }
1601
1602         if (has_prev) {
1603                 partinfo = mimeview_get_node_part(mimeview, path);
1604                 if (partinfo->type == MIMETYPE_MULTIPART ||
1605                     (!prefs_common.show_inline_attachments && partinfo->id))
1606                         goto skip;
1607                 selection = gtk_tree_view_get_selection(ctree);
1608                 gtk_tree_selection_select_path(selection, path);
1609                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1610         }
1611
1612         gtk_tree_path_free(path);
1613 }
1614
1615 #define BREAK_ON_MODIFIER_KEY() \
1616         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1617
1618 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1619                                  MimeView *mimeview)
1620 {
1621         SummaryView *summaryview;
1622
1623         if (!event) return FALSE;
1624         if (!mimeview->opened) return FALSE;
1625
1626         summaryview = mimeview->messageview->mainwin->summaryview;
1627
1628         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1629                 return FALSE;
1630
1631         switch (event->keyval) {
1632         case GDK_KEY_Home:
1633         case GDK_KEY_End:
1634                 textview_scroll_max(mimeview->textview,
1635                                     (event->keyval == GDK_KEY_Home));
1636                 return TRUE;
1637         case GDK_KEY_Page_Down:
1638         case GDK_KEY_space:
1639                 if (mimeview_scroll_page(mimeview,
1640                                          (event->state & GDK_SHIFT_MASK) != 0))
1641                         return TRUE;
1642
1643                 if (!(event->state & GDK_SHIFT_MASK))
1644                         mimeview_select_next_part(mimeview);
1645                 return TRUE;
1646         case GDK_KEY_Page_Up:
1647         case GDK_KEY_BackSpace:
1648                 mimeview_scroll_page(mimeview, TRUE);
1649                 return TRUE;
1650         case GDK_KEY_Return:
1651         case GDK_KEY_KP_Enter:
1652                 mimeview_scroll_one_line(mimeview,
1653                                          (event->state & GDK_MOD1_MASK) != 0);
1654                 return TRUE;
1655         case GDK_KEY_Up:
1656         case GDK_KEY_Down:
1657                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1658                 return TRUE;
1659         default:
1660                 break;
1661         }
1662
1663         if (mimeview->messageview->new_window) return FALSE;
1664
1665         return summary_pass_key_press_event(summaryview, event);
1666 }
1667
1668 static void mimeview_drag_data_get(GtkWidget        *widget,
1669                                    GdkDragContext   *drag_context,
1670                                    GtkSelectionData *selection_data,
1671                                    guint             info,
1672                                    guint             time,
1673                                    MimeView         *mimeview)
1674 {
1675         gchar *filename = NULL, *uriname, *tmp;
1676         MimeInfo *partinfo;
1677         gint err;
1678         gint count = 0;
1679
1680         if (!mimeview->opened) return;
1681         if (!mimeview->file) return;
1682
1683         partinfo = mimeview_get_selected_part(mimeview);
1684         if (!partinfo) return;
1685
1686         if (strlen(get_part_name(partinfo)) > 0) {
1687                 filename = g_path_get_basename(get_part_name(partinfo));
1688                 if (*filename == '\0') return;
1689         } else if (partinfo->type == MIMETYPE_MESSAGE
1690                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1691                 gchar *name = NULL;
1692                 GPtrArray *headers = NULL;
1693                 FILE *fp;
1694
1695                 fp = g_fopen(partinfo->data.filename, "rb");
1696                 if (fp != NULL && fseek(fp, partinfo->offset, SEEK_SET) == 0) {
1697                         headers = procheader_get_header_array_asis(fp);
1698                         if (headers) {
1699                                 gint i;
1700                                 for (i = 0; i < headers->len; i++) {
1701                                         Header *header = g_ptr_array_index(headers, i);
1702                                         if (procheader_headername_equal(header->name, "Subject")) {
1703                                                 unfold_line(header->body);
1704                                                 name = g_strconcat(header->body, ".txt", NULL);
1705                                                 subst_for_filename(name);
1706                                         }
1707                                 }
1708                                 procheader_header_array_destroy(headers);
1709                         }
1710                 }
1711                 if (fp != NULL)
1712                         fclose(fp);
1713                 if (name)
1714                         filename = g_path_get_basename(name);
1715                 g_free(name);
1716         }
1717         if (filename == NULL)
1718                 filename = g_path_get_basename("Unnamed part");
1719
1720         if (!g_utf8_validate(filename, -1, NULL))
1721                 tmp = conv_codeset_strdup(filename,
1722                                 conv_get_locale_charset_str(),
1723                                 CS_UTF_8);
1724         else
1725                 tmp = g_strdup(filename);
1726
1727         if (tmp == NULL) {
1728                 g_warning("filename not in UTF-8");
1729                 tmp = g_strdup("Unnamed part");
1730         }
1731         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1732                                tmp, NULL);
1733
1734 check_new_file:
1735         if (is_file_exist(filename)) {
1736                 gchar *ext = NULL;
1737                 gchar *prefix = NULL;
1738                 gchar *new_name = NULL;
1739                 if (strrchr(tmp, '.')) {
1740                         prefix = g_strdup(tmp);
1741                         ext = g_strdup(strrchr(tmp, '.'));
1742                         *(strrchr(prefix, '.')) = '\0';
1743                 } else {
1744                         prefix = g_strdup(tmp);
1745                         ext = g_strdup("");
1746                 }
1747                 count++;
1748                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1749                 g_free(prefix);
1750                 g_free(ext);
1751                 g_free(filename);
1752                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1753                                new_name, NULL);
1754                 g_free(new_name);
1755                 goto check_new_file;
1756         }
1757
1758         g_free(tmp);
1759
1760         if ((err = procmime_get_part(filename, partinfo)) < 0)
1761                 alertpanel_error
1762                         (_("Couldn't save the part of multipart message: %s"),
1763                                 g_strerror(-err));
1764
1765         tmp = g_filename_to_uri(filename, NULL, NULL);
1766         uriname = g_strconcat(tmp, "\r\n", NULL);
1767         g_free(tmp);
1768
1769         gtk_selection_data_set(selection_data,
1770                    gtk_selection_data_get_target(selection_data), 8,
1771                                (guchar *)uriname, strlen(uriname));
1772
1773         g_free(uriname);
1774         g_free(filename);
1775 }
1776
1777 /**
1778  * Returns a filename (with path) for an attachment
1779  * \param partinfo The attachment to save
1780  * \param basedir The target directory
1781  * \param number Used for dummy filename if attachment is unnamed
1782  */
1783 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1784                                       const gchar *basedir,
1785                                       gint number)
1786 {
1787         gchar *fullname;
1788         gchar *filename;
1789
1790         filename = g_strdup(get_part_name(partinfo));
1791         if (!filename || !*filename) {
1792                 g_free(filename);
1793                 filename = g_strdup_printf("noname.%d", number);
1794         }
1795
1796         if (!g_utf8_validate(filename, -1, NULL)) {
1797                 gchar *tmp = conv_filename_to_utf8(filename);
1798                 g_free(filename);
1799                 filename = tmp;
1800         }
1801
1802         subst_for_filename(filename);
1803
1804         fullname = g_strconcat
1805                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1806                  ? &filename[1] : filename, NULL);
1807
1808         g_free(filename);
1809         filename = conv_filename_from_utf8(fullname);
1810         g_free(fullname);
1811         return filename;
1812 }
1813
1814 /**
1815  * Write a single attachment to file
1816  * \param filename Filename with path
1817  * \param partinfo Attachment to save
1818  */
1819 static gboolean mimeview_write_part(const gchar *filename,
1820                                     MimeInfo *partinfo,
1821                                     gboolean handle_error)
1822 {
1823         gchar *dir;
1824         gint err;
1825
1826         dir= g_path_get_dirname(filename);
1827         if (!is_dir_exist(dir))
1828                 make_dir_hier(dir);
1829         g_free(dir);
1830
1831         if (is_file_exist(filename)) {
1832                 AlertValue aval;
1833                 gchar *res;
1834                 gchar *tmp;
1835
1836                 if (!g_utf8_validate(filename, -1, NULL))
1837                         tmp = conv_filename_to_utf8(filename);
1838                 else
1839                         tmp = g_strdup(filename);
1840
1841                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1842                                       tmp);
1843                 g_free(tmp);
1844                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1845                                   GTK_STOCK_OK, NULL, ALERTFOCUS_FIRST);
1846                 g_free(res);
1847                 if (G_ALERTALTERNATE != aval) return FALSE;
1848         }
1849
1850         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1851                 debug_print("error saving MIME part: %d\n", err);
1852                 if (handle_error)
1853                         alertpanel_error
1854                                 (_("Couldn't save the part of multipart message: %s"),
1855                                  g_strerror(-err));
1856                 return FALSE;
1857         }
1858
1859         return TRUE;
1860 }
1861
1862 static AlertValue mimeview_save_all_error_ask(gint n)
1863 {
1864         gchar *message = g_strdup_printf(
1865                 _("An error has occurred while saving message part #%d. "
1866                 "Do you want to cancel operation or skip error and "
1867                 "continue?"), n);
1868         AlertValue av = alertpanel_full(_("Error saving all message parts"),
1869                 message, GTK_STOCK_CANCEL, _("Skip"), _("Skip all"),
1870                 ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING);
1871         g_free(message);
1872         return av;
1873 }
1874
1875 static void mimeview_save_all_info(gint errors, gint total)
1876 {
1877         if (!errors) {
1878                 gchar *msg = g_strdup_printf(
1879                                 ngettext("%d file saved successfully.",
1880                                         "%d files saved successfully.",
1881                                         total),
1882                                 total);
1883                 alertpanel_notice("%s", msg);
1884                 g_free(msg);
1885         } else {
1886                 gchar *msg1 = g_strdup_printf(
1887                                 ngettext("%d file saved successfully",
1888                                         "%d files saved successfully",
1889                                         total - errors),
1890                                 total - errors);
1891                 gchar *msg2 = g_strdup_printf(
1892                                 ngettext("%s, %d file failed.",
1893                                         "%s, %d files failed.",
1894                                         errors),
1895                                 msg1, errors);
1896                 alertpanel_warning("%s", msg2);
1897                 g_free(msg2);
1898                 g_free(msg1);
1899         }
1900 }
1901
1902 /**
1903  * Menu callback: Save all attached files
1904  * \param mimeview Current display
1905  */
1906 static void mimeview_save_all(MimeView *mimeview)
1907 {
1908         MimeInfo *partinfo;
1909         gchar *dirname;
1910         gchar *startdir = NULL;
1911         gint number = 1, errors = 0;
1912         gboolean skip_errors = FALSE;
1913
1914         if (!mimeview->opened) return;
1915         if (!mimeview->file) return;
1916         if (!mimeview->mimeinfo) return;
1917
1918         partinfo = mimeview->mimeinfo;
1919         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1920                 startdir = g_strconcat(prefs_common.attach_save_dir, G_DIR_SEPARATOR_S, NULL);
1921         else
1922                 startdir = g_strdup(get_home_dir());
1923
1924         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1925         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1926         if (!dirname) {
1927                 g_free(startdir);
1928                 return;
1929         }
1930
1931         if (!is_dir_exist (dirname)) {
1932                 alertpanel_error(_("'%s' is not a directory."), dirname);
1933                 g_free(startdir);
1934                 g_free(dirname);
1935                 return;
1936         }
1937
1938         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1939                 dirname[strlen(dirname)-1] = '\0';
1940
1941         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1942         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1943                 partinfo = procmime_mimeinfo_next(partinfo);
1944         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1945                 partinfo = procmime_mimeinfo_next(partinfo);
1946                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1947                         partinfo = procmime_mimeinfo_next(partinfo);
1948         }
1949
1950         while (partinfo != NULL) {
1951                 if (partinfo->type != MIMETYPE_MESSAGE &&
1952                     partinfo->type != MIMETYPE_MULTIPART &&
1953                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1954                      || get_real_part_name(partinfo) != NULL)) {
1955                         gchar *filename = mimeview_get_filename_for_part(
1956                                 partinfo, dirname, number++);
1957
1958                         gboolean ok = mimeview_write_part(filename, partinfo, FALSE);
1959                         g_free(filename);
1960                         if (!ok) {
1961                                 ++errors;
1962                                 if (!skip_errors) {
1963                                         AlertValue av = mimeview_save_all_error_ask(number - 1);
1964                                         skip_errors = (av == G_ALERTOTHER);
1965                                         if (av == G_ALERTDEFAULT) /* cancel */
1966                                                 break;
1967                                 }
1968                         }
1969                 }
1970                 partinfo = procmime_mimeinfo_next(partinfo);
1971         }
1972
1973         g_free(prefs_common.attach_save_dir);
1974         g_free(startdir);
1975         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1976                                         -1, NULL, NULL, NULL);
1977         g_free(dirname);
1978
1979         mimeview_save_all_info(errors, number - 1);
1980 }
1981
1982 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1983 {
1984         MimeInfo *partinfo = NULL;
1985         if (mimeview->spec_part) {
1986                 partinfo = mimeview->spec_part;
1987                 mimeview->spec_part = NULL;
1988         } else {
1989                 partinfo = (MimeInfo *) g_object_get_data
1990                          (G_OBJECT(mimeview->popupmenu),
1991                          "pop_partinfo");
1992                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1993                                   "pop_partinfo", NULL);
1994                 if (!partinfo) {
1995                         partinfo = mimeview_get_selected_part(mimeview);
1996                 }
1997         }
1998
1999         return partinfo;
2000 }
2001 /**
2002  * Menu callback: Save the selected attachment
2003  * \param mimeview Current display
2004  */
2005 void mimeview_save_as(MimeView *mimeview)
2006 {
2007         gchar *filename;
2008         gchar *filepath = NULL;
2009         gchar *filedir = NULL;
2010         MimeInfo *partinfo;
2011         gchar *partname = NULL;
2012
2013         if (!mimeview->opened) return;
2014         if (!mimeview->file) return;
2015
2016         partinfo = mimeview_get_part_to_use(mimeview);
2017
2018         cm_return_if_fail(partinfo != NULL);
2019
2020         if (get_part_name(partinfo) == NULL) {
2021                 return;
2022         }
2023         partname = g_strdup(get_part_name(partinfo));
2024
2025         if (!g_utf8_validate(partname, -1, NULL)) {
2026                 gchar *tmp = conv_filename_to_utf8(partname);
2027                 if (!tmp) {
2028                         tmp = conv_codeset_strdup(partname,
2029                                 conv_get_locale_charset_str(),
2030                                 CS_UTF_8);
2031                 }
2032                 if (tmp) {
2033                         g_free(partname);
2034                         partname = tmp;
2035                 }
2036         }
2037
2038         subst_for_filename(partname);
2039
2040         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
2041                 filepath = g_strconcat(prefs_common.attach_save_dir,
2042                                        G_DIR_SEPARATOR_S, partname, NULL);
2043         else
2044                 filepath = g_strdup(partname);
2045
2046         g_free(partname);
2047
2048         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
2049         filename = filesel_select_file_save(_("Save as"), filepath);
2050         if (!filename) {
2051                 g_free(filepath);
2052                 return;
2053         }
2054
2055         mimeview_write_part(filename, partinfo, TRUE);
2056
2057         filedir = g_path_get_dirname(filename);
2058         if (filedir && strcmp(filedir, ".")) {
2059                 g_free(prefs_common.attach_save_dir);
2060                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2061         }
2062
2063         g_free(filedir);
2064         g_free(filepath);
2065 }
2066
2067 void mimeview_display_as_text(MimeView *mimeview)
2068 {
2069         MimeInfo *partinfo;
2070
2071         if (!mimeview->opened) return;
2072
2073         partinfo = mimeview_get_part_to_use(mimeview);
2074         mimeview_select_mimepart_icon(mimeview, partinfo);
2075         cm_return_if_fail(partinfo != NULL);
2076         mimeview_show_message_part(mimeview, partinfo);
2077 }
2078
2079 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2080 {
2081         gchar *filename;
2082         gint err;
2083
2084         if (!mimeview->opened) return;
2085         if (!mimeview->file) return;
2086
2087         if (!partinfo)
2088                 partinfo = mimeview_get_part_to_use(mimeview);
2089
2090         cm_return_if_fail(partinfo != NULL);
2091
2092         filename = procmime_get_tmp_file_name(partinfo);
2093
2094         if ((err = procmime_get_part(filename, partinfo)) < 0)
2095                 alertpanel_error
2096                         (_("Couldn't save the part of multipart message: %s"),
2097                                 g_strerror(-err));
2098         else
2099                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2100
2101         g_free(filename);
2102 }
2103
2104 #ifndef G_OS_WIN32
2105 void mimeview_open_with(MimeView *mimeview)
2106 {
2107         MimeInfo *partinfo;
2108
2109         if (!mimeview) return;
2110         if (!mimeview->opened) return;
2111         if (!mimeview->file) return;
2112
2113         partinfo = mimeview_get_part_to_use(mimeview);
2114
2115         mimeview_open_part_with(mimeview, partinfo, FALSE);
2116 }
2117
2118 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2119 {
2120         gchar *filename;
2121         gchar *cmd;
2122         gchar *mime_command = NULL;
2123         gchar *content_type = NULL;
2124         gint err;
2125
2126         cm_return_if_fail(partinfo != NULL);
2127
2128         filename = procmime_get_tmp_file_name(partinfo);
2129
2130         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2131                 alertpanel_error
2132                         (_("Couldn't save the part of multipart message: %s"),
2133                                 g_strerror(-err));
2134                 g_free(filename);
2135                 return;
2136         }
2137
2138         if (!prefs_common.mime_open_cmd_history)
2139                 prefs_common.mime_open_cmd_history =
2140                         add_history(NULL, prefs_common.mime_open_cmd);
2141
2142         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2143             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2144                 /* guess content-type from filename */
2145                 content_type = procmime_get_mime_type(filename);
2146         }
2147         if (content_type == NULL) {
2148                 content_type = procmime_get_content_type_str(partinfo->type,
2149                         partinfo->subtype);
2150         }
2151
2152         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2153         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2154                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2155                 g_free(content_type);
2156                 content_type = NULL;
2157         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2158         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2159                 mime_command = mailcap_get_command_for_type(content_type, filename);
2160         } else {
2161                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2162                 g_free(content_type);
2163                 content_type = NULL;
2164         }
2165         if (mime_command == NULL) {
2166                 /* try with extension this time */
2167                 g_free(content_type);
2168                 content_type = procmime_get_mime_type(filename);
2169                 mime_command = mailcap_get_command_for_type(content_type, filename);
2170         }
2171
2172         if (mime_command == NULL)
2173                 automatic = FALSE;
2174
2175         if (!automatic) {
2176                 gboolean remember = FALSE;
2177                 if (content_type != NULL)
2178                         cmd = input_dialog_combo_remember
2179                                 (_("Open with"),
2180                                  _("Enter the command-line to open file:\n"
2181                                    "('%s' will be replaced with file name)"),
2182                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2183                                  prefs_common.mime_open_cmd_history, &remember);
2184                 else
2185                         cmd = input_dialog_combo
2186                                 (_("Open with"),
2187                                  _("Enter the command-line to open file:\n"
2188                                    "('%s' will be replaced with file name)"),
2189                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2190                                  prefs_common.mime_open_cmd_history);
2191                 if (cmd && remember) {
2192                         mailcap_update_default(content_type, cmd);
2193                 }
2194                 g_free(mime_command);
2195         } else {
2196                 cmd = mime_command;
2197         }
2198         if (cmd) {
2199                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2200                 g_free(prefs_common.mime_open_cmd);
2201                 prefs_common.mime_open_cmd = cmd;
2202                 prefs_common.mime_open_cmd_history =
2203                         add_history(prefs_common.mime_open_cmd_history, cmd);
2204         }
2205
2206         g_free(content_type);
2207         g_free(filename);
2208 }
2209 #endif
2210
2211 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2212 {
2213         GList *attach_file = NULL;
2214         AttachInfo *ainfo = NULL;
2215         gchar *filename;
2216         gint err;
2217
2218         if (!mimeview->opened) return;
2219         if (!mimeview->file) return;
2220
2221         cm_return_if_fail(partinfo != NULL);
2222
2223         filename = procmime_get_tmp_file_name(partinfo);
2224
2225         if (!(err = procmime_get_part(filename, partinfo))) {
2226                 ainfo = g_new0(AttachInfo, 1);
2227                 ainfo->file = filename;
2228                 ainfo->name = g_strdup(get_part_name(partinfo));
2229                 ainfo->content_type = procmime_get_content_type_str(
2230                                         partinfo->type, partinfo->subtype);
2231                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2232                                         partinfo, "charset"));
2233                 attach_file = g_list_append(attach_file, ainfo);
2234
2235                 compose_new(NULL, NULL, attach_file);
2236
2237                 g_free(ainfo->name);
2238                 g_free(ainfo->content_type);
2239                 g_free(ainfo->charset);
2240                 g_free(ainfo);
2241                 g_list_free(attach_file);
2242         } else
2243                 alertpanel_error
2244                         (_("Couldn't save the part of multipart message: %s"),
2245                                 g_strerror(-err));
2246         g_free(filename);
2247 }
2248
2249 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2250                                const gchar *cmd, MimeView *mimeview)
2251 {
2252 #ifndef G_OS_WIN32
2253         gchar *p;
2254         gchar buf[BUFFSIZE];
2255
2256         if (cmd == NULL)
2257                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2258         else {
2259                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2260                     !strchr(p + 2, '%')) {
2261                         g_snprintf(buf, sizeof(buf), cmd, filename);
2262                         if (!prefs_common.save_parts_readwrite)
2263                                 g_chmod(filename, S_IRUSR);
2264                         else
2265                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2266                 } else {
2267                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2268                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2269                 }
2270                 if (execute_command_line(buf, TRUE, NULL) != 0) {
2271                         if (!prefs_common.save_parts_readwrite)
2272                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2273                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2274                 }
2275         }
2276 #else
2277         SHFILEINFO file_info;
2278         GError *error = NULL;
2279         gunichar2 *fn16 = g_utf8_to_utf16(filename, -1, NULL, NULL, &error);
2280
2281         if (error != NULL) {
2282                 alertpanel_error(_("Could not convert attachment name to UTF-16:\n\n%s"),
2283                                         error->message);
2284                 debug_print("filename '%s' conversion to UTF-16 failed\n", filename);
2285                 g_error_free(error);
2286                 return;
2287         }
2288
2289         if ((SHGetFileInfo((LPCWSTR)fn16, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2290                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2291                                       _("This attachment is an executable file. Executing "
2292                                         "untrusted binaries is dangerous and could probably "
2293                                         "lead to compromission of your computer.\n\n"
2294                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2295                                         _("Run binary"),
2296                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2297                 if (val == G_ALERTALTERNATE) {
2298                         debug_print("executing binary\n");
2299                         ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2300                 }
2301         } else {
2302                 ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2303         }
2304
2305         g_free(fn16);
2306
2307 #endif
2308 }
2309
2310 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2311 {
2312         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2313 }
2314
2315 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2316 {
2317         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2318 }
2319
2320 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2321 {
2322         GSList *mimeview_list, *viewer_list;
2323
2324         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2325                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2326
2327                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2328                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2329                         mimeview->mimeviewer = NULL;
2330                 }
2331
2332                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2333                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2334
2335                         mimeviewer->destroy_viewer(mimeviewer);
2336                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2337                 }
2338         }
2339
2340         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2341 }
2342
2343 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2344 {
2345         gint      num;
2346         MimeInfo *partinfo;
2347
2348         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2349         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2350
2351         if (event->button == 1) {
2352                 icon_selected(mimeview, num, partinfo);
2353                 gtk_widget_grab_focus(button);
2354                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2355         }
2356         part_button_pressed(mimeview, event, partinfo);
2357
2358         return FALSE;
2359 }
2360
2361 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2362 {
2363         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2364         GtkTreeIter iter;
2365         GtkTreePath *path;
2366         MimeInfo *curr = NULL;
2367
2368         if (!gtk_tree_model_get_iter_first(model, &iter))
2369                 return;
2370         path = gtk_tree_model_get_path(model, &iter);
2371
2372         do {
2373                 gtk_tree_model_get_iter(model, &iter, path);
2374                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2375                 if (curr == partinfo) {
2376                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2377                                                 GTK_TREE_VIEW(mimeview->ctree));
2378                         gtk_tree_selection_select_iter(sel, &iter);
2379                         gtk_tree_path_free(path);
2380                         return;
2381                 }
2382         } while (mimeview_tree_next(model, path));
2383
2384         gtk_tree_path_free(path);
2385 }
2386
2387 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2388 {
2389         icon_list_toggle_by_mime_info(mimeview, partinfo);
2390         icon_selected(mimeview, -1, partinfo);
2391 }
2392
2393 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2394                              MimeView *mimeview)
2395 {
2396         SummaryView  *summaryview;
2397
2398         if (!event) return FALSE;
2399
2400         switch (event->keyval) {
2401         case GDK_KEY_space:
2402                 if (mimeview_scroll_page(mimeview, FALSE))
2403                         return TRUE;
2404
2405                 mimeview_select_next_part(mimeview);
2406                 return TRUE;
2407
2408                 break;
2409         case GDK_KEY_BackSpace:
2410                 mimeview_scroll_page(mimeview, TRUE);
2411                 return TRUE;
2412         case GDK_KEY_Return:
2413         case GDK_KEY_KP_Enter:
2414                 mimeview_scroll_one_line(mimeview,
2415                                          (event->state & GDK_MOD1_MASK) != 0);
2416                 return TRUE;
2417         case GDK_KEY_y:
2418                 BREAK_ON_MODIFIER_KEY();
2419                 mimeview_save_as(mimeview);
2420                 return TRUE;
2421         case GDK_KEY_t:
2422                 BREAK_ON_MODIFIER_KEY();
2423                 mimeview_display_as_text(mimeview);
2424                 return TRUE;
2425         case GDK_KEY_l:
2426                 BREAK_ON_MODIFIER_KEY();
2427                 mimeview_launch(mimeview, NULL);
2428                 return TRUE;
2429 #ifndef G_OS_WIN32
2430         case GDK_KEY_o:
2431                 BREAK_ON_MODIFIER_KEY();
2432                 mimeview_open_with(mimeview);
2433                 return TRUE;
2434 #endif
2435         case GDK_KEY_c:
2436                 BREAK_ON_MODIFIER_KEY();
2437                 mimeview_check_signature(mimeview);
2438                 return TRUE;
2439         case GDK_KEY_a:
2440                 BREAK_ON_MODIFIER_KEY();
2441                 mimeview_select_next_part(mimeview);
2442                 return TRUE;
2443         default:
2444                 break;
2445         }
2446
2447         if (!mimeview->messageview->mainwin) return FALSE;
2448         summaryview = mimeview->messageview->mainwin->summaryview;
2449         return summary_pass_key_press_event(summaryview, event);
2450 }
2451
2452 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2453 {
2454         MimeView *mimeview = (MimeView *)data;
2455         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2456
2457         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2458                           "pop_partinfo", partinfo);
2459         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2460                        NULL, NULL, NULL, NULL,
2461                        0, gtk_get_current_event_time());
2462         return TRUE;
2463 }
2464
2465 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2466 {
2467         GtkWidget *pixmap = NULL;
2468         GtkWidget *vbox;
2469         GtkWidget *button;
2470         gchar *tip;
2471         gchar *tiptmp;
2472         const gchar *desc = NULL;
2473         gchar *sigshort = NULL;
2474         gchar *content_type;
2475         StockPixmap stockp;
2476         MimeInfo *partinfo;
2477         MimeInfo *siginfo = NULL;
2478         MimeInfo *encrypted = NULL;
2479 #ifdef GENERIC_UMPC
2480         GtkRequisition r;
2481 #endif
2482
2483         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2484                 return;
2485
2486         vbox = mimeview->icon_vbox;
2487         mimeview->icon_count++;
2488         button = gtk_event_box_new();
2489
2490         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2491                          G_CALLBACK(mimeview_visi_notify), mimeview);
2492         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2493                          G_CALLBACK(mimeview_leave_notify), mimeview);
2494         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2495                          G_CALLBACK(mimeview_enter_notify), mimeview);
2496
2497         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2498         g_object_set_data(G_OBJECT(button), "icon_number",
2499                           GINT_TO_POINTER(mimeview->icon_count));
2500         g_object_set_data(G_OBJECT(button), "partinfo",
2501                           mimeinfo);
2502
2503         switch (mimeinfo->type) {
2504
2505         case MIMETYPE_TEXT:
2506                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2507                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2508                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2509                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2510                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2511                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2512                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2513                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2514                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2515                 else
2516                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2517                 break;
2518         case MIMETYPE_MESSAGE:
2519                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2520                 break;
2521         case MIMETYPE_APPLICATION:
2522                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2523                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2524                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2525                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2526                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2527                         stockp = STOCK_PIXMAP_MIME_PDF;
2528                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2529                         stockp = STOCK_PIXMAP_MIME_PS;
2530                 else
2531                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2532                 break;
2533         case MIMETYPE_IMAGE:
2534                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2535                 break;
2536         case MIMETYPE_AUDIO:
2537                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2538                 break;
2539         default:
2540                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2541                 break;
2542         }
2543
2544         partinfo = mimeinfo;
2545         while (partinfo != NULL) {
2546                 if (privacy_mimeinfo_is_signed(partinfo)) {
2547                         siginfo = partinfo;
2548                         break;
2549                 }
2550                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2551                         encrypted = partinfo;
2552                         break;
2553                 }
2554                 partinfo = procmime_mimeinfo_parent(partinfo);
2555         }
2556
2557         if (siginfo != NULL) {
2558                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2559                 case SIGNATURE_UNCHECKED:
2560                 case SIGNATURE_CHECK_FAILED:
2561                 case SIGNATURE_CHECK_TIMEOUT:
2562                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2563                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2564                         break;
2565                 case SIGNATURE_OK:
2566                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2567                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2568                         break;
2569                 case SIGNATURE_WARN:
2570                 case SIGNATURE_KEY_EXPIRED:
2571                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2572                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2573                         break;
2574                 case SIGNATURE_INVALID:
2575                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2576                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2577                         break;
2578                 }
2579                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2580         } else if (encrypted != NULL) {
2581                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2582                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2583         } else {
2584                 pixmap = stock_pixmap_widget_with_overlay(stockp, 0,
2585                                                           OVERLAY_NONE, 6, 3);
2586         }
2587         gtk_container_add(GTK_CONTAINER(button), pixmap);
2588         if (!desc) {
2589                 if (prefs_common.attach_desc)
2590                         desc = get_part_description(mimeinfo);
2591                 else
2592                         desc = get_part_name(mimeinfo);
2593         }
2594
2595         content_type = procmime_get_content_type_str(mimeinfo->type,
2596                                                      mimeinfo->subtype);
2597
2598         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2599                           "\n<b>", _("Size:"), " </b>",
2600                           to_human_readable((goffset)mimeinfo->length), NULL);
2601         g_free(content_type);
2602         if (desc && *desc) {
2603                 gchar *tmp = NULL, *escaped = NULL;
2604                 if (!g_utf8_validate(desc, -1, NULL)) {
2605                         tmp = conv_filename_to_utf8(desc);
2606                 } else {
2607                         tmp = g_strdup(desc);
2608                 }
2609                 escaped = g_markup_escape_text(tmp,-1);
2610
2611                 tiptmp = g_strconcat(tip, "\n<b>",
2612                                 prefs_common.attach_desc && mimeinfo->description ?
2613                                 _("Description:") : _("Filename:"),
2614                                 " </b>", escaped, NULL);
2615                 g_free(tip);
2616                 tip = tiptmp;
2617                 g_free(tmp);
2618                 g_free(escaped);
2619         }
2620         if (sigshort && *sigshort) {
2621                 tiptmp = g_strjoin("\n", tip, g_markup_escape_text(sigshort, -1), NULL);
2622                 g_free(tip);
2623                 tip = tiptmp;
2624         }
2625         g_free(sigshort);
2626
2627         gtk_widget_set_tooltip_markup(button, tip);
2628         g_free(tip);
2629         gtk_widget_show_all(button);
2630         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2631                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2632
2633         g_signal_connect(G_OBJECT(button), "popup-menu",
2634                          G_CALLBACK(icon_popup_menu), mimeview);
2635         g_signal_connect(G_OBJECT(button), "button_release_event",
2636                          G_CALLBACK(icon_clicked_cb), mimeview);
2637         g_signal_connect(G_OBJECT(button), "key_press_event",
2638                          G_CALLBACK(icon_key_pressed), mimeview);
2639         g_signal_connect(G_OBJECT(button), "drag_data_get",
2640                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2641         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2642 #ifdef GENERIC_UMPC
2643         gtk_widget_size_request(pixmap, &r);
2644         gtk_widget_set_size_request(button, -1, r.height + 4);
2645 #endif
2646
2647 }
2648
2649 static void icon_list_clear (MimeView *mimeview)
2650 {
2651         GList     *child, *orig;
2652         GtkAdjustment *adj;
2653
2654         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2655         for (child = orig; child != NULL; child = g_list_next(child)) {
2656                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2657                                        GTK_WIDGET(child->data));
2658         }
2659         g_list_free(orig);
2660         mimeview->icon_count = 0;
2661         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2662         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2663         gtk_adjustment_changed(adj);
2664 }
2665
2666 /*!
2667  *\brief        Used to 'click' the next or previous icon.
2668  *
2669  *\return       true if the icon 'number' exists and was selected.
2670  */
2671 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2672                                          GtkAllocation *size, MimeView *mimeview)
2673 {
2674         GtkAllocation vbox_size;
2675         GtkAllocation layout_size;
2676         GtkAdjustment *adj;
2677         guint width;
2678         guint height;
2679
2680         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2681
2682         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2683         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2684
2685         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2686         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2687                             width,
2688                             MAX(vbox_size.height, layout_size.height));
2689         gtk_adjustment_set_step_increment(adj, 10);
2690 }
2691
2692 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2693 {
2694         GtkRequisition size;
2695         GtkRequisition requisition;
2696
2697         cm_return_if_fail(mimeinfo != NULL);
2698
2699         while (mimeinfo != NULL) {
2700                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2701                         icon_list_append_icon(mimeview, mimeinfo);
2702                 if (mimeinfo->node->children != NULL)
2703                         icon_list_create(mimeview,
2704                                 (MimeInfo *) mimeinfo->node->children->data);
2705                 mimeinfo = mimeinfo->node->next != NULL
2706                          ? (MimeInfo *) mimeinfo->node->next->data
2707                          : NULL;
2708         }
2709         gtk_widget_size_request(mimeview->icon_vbox, &size);
2710         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2711         if (size.width > requisition.width) {
2712                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2713                                             size.width, -1);
2714         }
2715         if (mimeview->opened)
2716                 icon_list_toggle_by_mime_info(mimeview,
2717                         mimeview_get_node_part(mimeview, mimeview->opened));
2718 }
2719
2720 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2721                                            MimeInfo     *mimeinfo)
2722 {
2723         GList *children, *child;
2724
2725         children = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2726         for (child = children; child != NULL; child = g_list_next(child)) {
2727                 gboolean *highlight = NULL;
2728                 GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2729
2730                 if (!GTK_IS_EVENT_BOX(child->data))
2731                         continue;
2732
2733                 highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2734                 *highlight = (g_object_get_data(G_OBJECT(child->data),
2735                                       "partinfo") == (gpointer)mimeinfo);
2736
2737                 gtk_widget_queue_draw(icon);
2738         }
2739         g_list_free(children);
2740 }
2741
2742 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2743                                     MimeView *mimeview)
2744 {
2745         prefs_common.mimeview_tree_height = allocation->height;
2746 }
2747
2748 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2749                                     MimeView *mimeview)
2750 {
2751         g_object_ref(button);
2752
2753         mimeview_leave_notify(button, NULL, NULL);
2754
2755         mimeview->ctree_mode = !mimeview->ctree_mode;
2756         if (mimeview->ctree_mode) {
2757                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2758                                         GTK_SHADOW_NONE);
2759                 gtk_widget_hide(mimeview->icon_mainbox);
2760                 gtk_widget_show(mimeview->ctree_mainbox);
2761                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2762                                         prefs_common.mimeview_tree_height);
2763
2764                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2765                                         button);
2766                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2767                                    button, FALSE, FALSE, 0);
2768         } else {
2769                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2770                               GTK_SHADOW_NONE);
2771                 gtk_widget_hide(mimeview->ctree_mainbox);
2772                 gtk_widget_show(mimeview->icon_mainbox);
2773                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2774
2775                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2776                                         button);
2777                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2778                                    button, FALSE, FALSE, 0);
2779                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2780                 if (mimeview->opened)
2781                         icon_list_toggle_by_mime_info(mimeview,
2782                                         mimeview_get_node_part(mimeview, mimeview->opened));
2783                 summary_grab_focus(mimeview->mainwin->summaryview);
2784         }
2785         g_object_unref(button);
2786         return TRUE;
2787 }
2788
2789 void mimeview_update (MimeView *mimeview)
2790 {
2791         if (mimeview && mimeview->mimeinfo) {
2792                 icon_list_clear(mimeview);
2793                 icon_list_create(mimeview, mimeview->mimeinfo);
2794         }
2795 }
2796
2797 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2798 {
2799         MessageView *msgview = NULL;
2800         MainWindow *mainwin = NULL;
2801
2802         if (!cmd)
2803                 return;
2804
2805         msgview = mimeview->messageview;
2806         if (!msgview)
2807                 return;
2808
2809         mainwin = msgview->mainwin;
2810         if (!mainwin)
2811                 return;
2812
2813         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2814                           "pop_partinfo", NULL);
2815
2816         if (!strcmp(cmd, "sc://view_log"))
2817                 log_window_show(mainwin->logwin);
2818         else if (!strcmp(cmd, "sc://save_as"))
2819                 mimeview_save_as(mimeview);
2820         else if (!strcmp(cmd, "sc://display_as_text"))
2821                 mimeview_display_as_text(mimeview);
2822 #ifndef G_OS_WIN32
2823         else if (!strcmp(cmd, "sc://open_with"))
2824                 mimeview_open_with(mimeview);
2825 #endif
2826         else if (!strcmp(cmd, "sc://open"))
2827                 mimeview_launch(mimeview, NULL);
2828         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2829                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2830                 icon_selected(mimeview, -1, (MimeInfo *)data);
2831         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2832                 mimeview_launch(mimeview, (MimeInfo *)data);
2833         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2834                 mimeview->spec_part = (MimeInfo *)data;
2835                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2836         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2837                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2838                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2839                 gtk_toggle_button_set_active(
2840                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2841                                 TRUE);
2842                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2843                                 ADVANCED_SEARCH_EXTENDED, buf);
2844                 g_free(buf);
2845         }
2846 }
2847
2848 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2849 {
2850         if (mimeview->type == MIMEVIEW_TEXT)
2851                 return textview_scroll_page(mimeview->textview, up);
2852         else if (mimeview->mimeviewer) {
2853                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2854                 if (mimeviewer->scroll_page)
2855                         return mimeviewer->scroll_page(mimeviewer, up);
2856         }
2857         return TRUE;
2858 }
2859
2860 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2861 {
2862         if (mimeview->type == MIMEVIEW_TEXT)
2863                 textview_scroll_one_line(mimeview->textview, up);
2864         else if (mimeview->mimeviewer) {
2865                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2866                 if (mimeviewer->scroll_one_line)
2867                         mimeviewer->scroll_one_line(mimeviewer, up);
2868         }
2869 }