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         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
 290         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(ctree),
 291                                         prefs_common.use_stripes_everywhere);
 292         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
 293                                         prefs_common.show_col_headers);
 294
 295         renderer = gtk_cell_renderer_text_new();
 296         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 297                                         -1, titles[COL_MIMETYPE],renderer,
 298                                         "text", COL_MIMETYPE, NULL);
 299         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 300
 301         renderer = gtk_cell_renderer_text_new();
 302 #if(GTK_CHECK_VERSION(2,18,0))
 303         gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
 304 #endif
 305         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 306                                         -1, titles[COL_SIZE], renderer,
 307                                         "text", COL_SIZE, NULL);
 308         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 309         gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
 310
 311         renderer = gtk_cell_renderer_text_new();
 312         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 313                                         -1, titles[COL_NAME], renderer,
 314                                         "text", COL_NAME, NULL);
 315         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 316         gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
 317
 318         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
 319         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 320
 321         gtk_widget_show(ctree);
 322         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 323         gtk_drag_source_set(ctree, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
 324                             mimeview_mime_types, 1, GDK_ACTION_COPY);
 325
 326         g_signal_connect(G_OBJECT(selection), "changed",
 327                          G_CALLBACK(mimeview_selected), mimeview);
 328         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 329                          G_CALLBACK(mimeview_button_pressed), mimeview);
 330         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 331                          G_CALLBACK(mimeview_key_pressed), mimeview);
 332         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 333                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 334
 335         mime_notebook = gtk_notebook_new();
 336         gtk_widget_show(mime_notebook);
 337         gtkut_widget_set_can_focus(mime_notebook, FALSE);
 338         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 339         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 340
 341         icon_vbox = gtk_vbox_new(FALSE, 2);
 342         gtk_widget_show(icon_vbox);
 343         icon_scroll = gtk_layout_new(NULL, NULL);
 344         gtk_widget_show(icon_scroll);
 345         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 346         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 347         gtk_widget_show(scrollbutton);
 348
 349         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 350                          G_CALLBACK(mimeview_scrolled), mimeview);
 351
 352         mime_toggle = gtk_event_box_new();
 353         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 354
 355         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 356                          G_CALLBACK(mimeview_visi_notify), mimeview);
 357         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 358                          G_CALLBACK(mimeview_leave_notify), mimeview);
 359         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 360                          G_CALLBACK(mimeview_enter_notify), mimeview);
 361
 362         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 363         gtk_widget_show(mime_toggle);
 364         mimeview->ctree_mode = FALSE;
 365         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 366         gtk_widget_show(arrow);
 367         gtk_widget_size_request(arrow, &r);
 368         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 369         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 370                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 371
 372         icon_mainbox = gtk_vbox_new(FALSE, 0);
 373         gtk_widget_show(icon_mainbox);
 374         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 375         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 376         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 377         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 378         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 379                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 380
 381         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 382         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 383         g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
 384                          G_CALLBACK(ctree_size_allocate_cb), mimeview);
 385
 386         mimeview->ui_manager = gtk_ui_manager_new();
 387         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 388                         "MimeView", mimeview_menu_actions,
 389                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 390
 391         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 392         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 393                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 394         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 395                         "/Menus/MimeView/", "Open", "MimeView/Open",
 396                         GTK_UI_MANAGER_MENUITEM);
 397 #if (!defined G_OS_WIN32)
 398         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 399                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 400                         GTK_UI_MANAGER_MENUITEM);
 401 #endif
 402         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 403                         "/Menus/MimeView/", "SendTo", "MimeView/SendTo",
 404                         GTK_UI_MANAGER_MENUITEM);
 405         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 406                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 407                         GTK_UI_MANAGER_MENUITEM);
 408         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 409                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 410                         GTK_UI_MANAGER_MENUITEM);
 411         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 412                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 413                         GTK_UI_MANAGER_MENUITEM);
 414         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 415                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 416                         GTK_UI_MANAGER_MENUITEM);
 417         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 418                         "/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
 419                         GTK_UI_MANAGER_MENUITEM);
 420
 421         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 422                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 423
 424
 425         vbox = gtk_vbox_new(FALSE, 0);
 426         gtk_widget_show(vbox);
 427         siginfoview = noticeview_create(mainwin);
 428         noticeview_hide(siginfoview);
 429         noticeview_set_icon_clickable(siginfoview, TRUE);
 430         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 431         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 432
 433         paned = gtk_vpaned_new();
 434         gtk_widget_show(paned);
 435         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 436         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 437
 438         hbox = gtk_hbox_new(FALSE, 0);
 439         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 440         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 441
 442         gtk_widget_show(hbox);
 443         gtk_widget_hide(ctree_mainbox);
 444 #ifdef GENERIC_UMPC
 445         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 446 #endif
 447         mimeview->hbox          = hbox;
 448         mimeview->paned         = paned;
 449         mimeview->scrolledwin   = scrolledwin;
 450         mimeview->ctree         = ctree;
 451         mimeview->mime_notebook = mime_notebook;
 452         mimeview->popupmenu     = popupmenu;
 453         mimeview->type          = -1;
 454         mimeview->ctree_mainbox = ctree_mainbox;
 455         mimeview->icon_scroll   = icon_scroll;
 456         mimeview->icon_vbox     = icon_vbox;
 457         mimeview->icon_mainbox  = icon_mainbox;
 458         mimeview->icon_count    = 0;
 459         mimeview->mainwin       = mainwin;
 460         mimeview->mime_toggle   = mime_toggle;
 461         mimeview->siginfoview   = siginfoview;
 462         mimeview->scrollbutton  = scrollbutton;
 463         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 464
 465         mimeviews = g_slist_prepend(mimeviews, mimeview);
 466
 467         return mimeview;
 468 }
 469
 470 void mimeview_init(MimeView *mimeview)
 471 {
 472         textview_init(mimeview->textview);
 473
 474         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 475                 GTK_WIDGET_PTR(mimeview->textview));
 476 }
 477
 478 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 479 {
 480         while (mimeinfo) {
 481                 if (privacy_mimeinfo_is_signed(mimeinfo))
 482                         return TRUE;
 483                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 484         }
 485
 486         return FALSE;
 487 }
 488
 489 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 490                            const gchar *file)
 491 {
 492         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 493
 494         mimeview_clear(mimeview);
 495
 496         cm_return_if_fail(file != NULL);
 497         cm_return_if_fail(mimeinfo != NULL);
 498
 499         mimeview->mimeinfo = mimeinfo;
 500
 501         mimeview->file = g_strdup(file);
 502
 503         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 504                                         mimeview);
 505
 506         /* check if the mail's signed - it can change the mail structure */
 507
 508         if (any_part_is_signed(mimeinfo))
 509                 debug_print("signed mail\n");
 510
 511         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 512         gtk_tree_view_expand_all(ctree);
 513         icon_list_clear(mimeview);
 514         icon_list_create(mimeview, mimeinfo);
 515
 516         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 517                                           mimeview_selected, mimeview);
 518 }
 519
 520 #ifdef USE_PTHREAD
 521 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 522 #endif
 523
 524 static void mimeview_free_mimeinfo(MimeView *mimeview)
 525 {
 526         gboolean defer = FALSE;
 527 #ifdef USE_PTHREAD
 528         defer = (mimeview->check_data != NULL);
 529         if (defer)
 530                 mimeview->check_data->free_after_use = TRUE;
 531 #endif
 532         if (mimeview->mimeinfo != NULL && !defer) {
 533                 procmime_mimeinfo_free_all(&mimeview->mimeinfo);
 534                 mimeview->mimeinfo = NULL;
 535         } else if (defer) {
 536 #ifdef USE_PTHREAD
 537                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 538                 mimeview_check_sig_cancel_now(mimeview);
 539 #endif
 540         }
 541 }
 542
 543 void mimeview_destroy(MimeView *mimeview)
 544 {
 545         GSList *cur;
 546
 547         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 548                 MimeViewer *viewer = (MimeViewer *) cur->data;
 549                 viewer->destroy_viewer(viewer);
 550         }
 551         g_slist_free(mimeview->viewers);
 552         gtk_target_list_unref(mimeview->target_list);
 553
 554 #ifdef USE_PTHREAD
 555         if (mimeview->check_data) {
 556                 mimeview->check_data->destroy_mimeview = TRUE;
 557                 debug_print("deferring destroy\n");
 558         } else
 559 #endif
 560         {
 561                 mimeview_free_mimeinfo(mimeview);
 562                 gtk_tree_path_free(mimeview->opened);
 563                 g_free(mimeview->file);
 564                 g_free(mimeview);
 565                 mimeviews = g_slist_remove(mimeviews, mimeview);
 566         }
 567
 568 }
 569
 570 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 571 {
 572         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 573         GtkTreeIter iter;
 574         GtkTreeSelection *selection;
 575         MimeInfo *partinfo = NULL;
 576
 577         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 578         if (gtk_tree_selection_get_selected(selection, NULL, &iter))
 579                 gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 580
 581         return partinfo;
 582 }
 583
 584 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 585 {
 586         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 587         GtkTreeIter iter;
 588         MimeInfo *partinfo;
 589
 590         gtk_tree_model_get_iter(model, &iter, path);
 591         gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 592         return partinfo;
 593 }
 594
 595 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 596 {
 597         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 598         GtkTreeIter iter;
 599         return !gtk_tree_model_get_iter_first(model, &iter);
 600 }
 601
 602 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 603 {
 604         GtkTreeIter iter, parent;
 605         gboolean has_parent;
 606
 607         gtk_tree_model_get_iter(model, &iter, path);
 608
 609         if (gtk_tree_model_iter_has_child(model, &iter)) {
 610                 gtk_tree_path_down(path);
 611                 return TRUE;
 612         }
 613
 614         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 615
 616         if (!gtk_tree_model_iter_next(model, &iter)) {
 617                 while (has_parent) {
 618                         GtkTreeIter saved_parent = parent;
 619                         gtk_tree_path_up(path);
 620                         if (gtk_tree_model_iter_next(model, &parent)) {
 621                                 gtk_tree_path_next(path);
 622                                 return TRUE;
 623                         } else {
 624                                 has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 625                         }
 626                 }
 627
 628         } else {
 629                 gtk_tree_path_next(path);
 630                 return TRUE;
 631         }
 632
 633         return FALSE;
 634 }
 635
 636 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 637 {
 638         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 639         GtkTreeIter iter, child, parent;
 640         gboolean has_parent;
 641
 642         gtk_tree_model_get_iter(model, &iter, path);
 643         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 644
 645         if (gtk_tree_path_prev(path)) {
 646                 gtk_tree_model_get_iter(model, &iter, path);
 647
 648                 if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 649                         gtk_tree_path_down(path);
 650
 651                         while (gtk_tree_model_iter_next(model, &child))
 652                                 gtk_tree_path_next(path);
 653                 }
 654
 655                 return TRUE;
 656         }
 657
 658         if (has_parent) {
 659                 gtk_tree_path_up(path);
 660                 return TRUE;
 661         }
 662
 663         return FALSE;
 664 }
 665
 666 gint mimeview_get_selected_part_num(MimeView *mimeview)
 667 {
 668         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 669         GtkTreeIter iter;
 670         GtkTreePath *path;
 671         gint i = 0;
 672
 673         gtk_tree_model_get_iter_first(model, &iter);
 674         path = gtk_tree_model_get_path(model, &iter);
 675
 676         do {
 677                 if (!gtk_tree_path_compare(mimeview->opened, path)) {
 678                         gtk_tree_path_free(path);
 679                         return i;
 680                 }
 681
 682                 i++;
 683         } while (mimeview_tree_next(model, path));
 684
 685         gtk_tree_path_free(path);
 686
 687         return -1;
 688 }
 689
 690 void mimeview_select_part_num(MimeView *mimeview, gint i)
 691 {
 692         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 693         GtkTreeIter iter;
 694         GtkTreePath *path;
 695         GtkTreeSelection *selection;
 696         gint x = 0;
 697
 698         if (i < 0)
 699                 return;
 700
 701         gtk_tree_model_get_iter_first(model, &iter);
 702         path = gtk_tree_model_get_path(model, &iter);
 703
 704         while (x != i) {
 705                 if (!mimeview_tree_next(model, path)) {
 706                         gtk_tree_path_free(path);
 707                         return;
 708                 }
 709                 x++;
 710         }
 711
 712         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 713         gtk_tree_selection_select_path(selection, path);
 714         gtk_tree_path_free(path);
 715 }
 716
 717 static void mimeview_set_multipart_tree(MimeView *mimeview,
 718                                         MimeInfo *mimeinfo,
 719                                         GtkTreeIter *parent)
 720 {
 721         GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 722                                         GTK_TREE_VIEW(mimeview->ctree)));
 723         GtkTreeIter iter;
 724         gchar *content_type, *length, *name;
 725
 726         cm_return_if_fail(mimeinfo != NULL);
 727
 728         while (mimeinfo != NULL) {
 729                 if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 730                         content_type = g_strdup_printf("%s/%s",
 731                                         procmime_get_media_type_str(mimeinfo->type),
 732                                         mimeinfo->subtype);
 733                 else
 734                         content_type = g_strdup("UNKNOWN");
 735
 736                 length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 737
 738                 if (prefs_common.attach_desc)
 739                         name = g_strdup(get_part_description(mimeinfo));
 740                 else
 741                         name = g_strdup(get_part_name(mimeinfo));
 742
 743                 gtk_tree_store_append(model, &iter, parent);
 744                 gtk_tree_store_set(model, &iter,
 745                                 COL_MIMETYPE, content_type,
 746                                 COL_SIZE, length,
 747                                 COL_NAME, name,
 748                                 COL_DATA, mimeinfo, -1);
 749                 g_free(content_type);
 750                 g_free(length);
 751                 g_free(name);
 752
 753                 if (mimeinfo->node->children)
 754                         mimeview_set_multipart_tree(mimeview,
 755                                 (MimeInfo *) mimeinfo->node->children->data, &iter);
 756                 mimeinfo = mimeinfo->node->next != NULL ?
 757                                 (MimeInfo *) mimeinfo->node->next->data : NULL;
 758         }
 759 }
 760
 761 static const gchar *get_real_part_name(MimeInfo *partinfo)
 762 {
 763         const gchar *name = NULL;
 764
 765         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 766         if (name == NULL)
 767                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 768
 769         return name;
 770 }
 771
 772 static const gchar *get_part_name(MimeInfo *partinfo)
 773 {
 774         const gchar *name;
 775
 776         name = get_real_part_name(partinfo);
 777         if (name == NULL)
 778                 name = "";
 779
 780         return name;
 781 }
 782
 783 static const gchar *get_part_description(MimeInfo *partinfo)
 784 {
 785         if (partinfo->description)
 786                 return partinfo->description;
 787         else
 788                 return get_part_name(partinfo);
 789 }
 790
 791 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 792 {
 793         FILE *fp;
 794         const gchar *fname;
 795
 796         if (!partinfo) return;
 797
 798         fname = mimeview->file;
 799         if (!fname) return;
 800
 801         if ((fp = g_fopen(fname, "rb")) == NULL) {
 802                 FILE_OP_ERROR(fname, "fopen");
 803                 return;
 804         }
 805
 806         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 807                 FILE_OP_ERROR(mimeview->file, "fseek");
 808                 fclose(fp);
 809                 return;
 810         }
 811
 812         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 813         textview_show_part(mimeview->textview, partinfo, fp);
 814
 815         fclose(fp);
 816 }
 817
 818 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 819 {
 820         GSList *cur;
 821         MimeViewerFactory *factory = NULL;
 822         MimeViewer *viewer = NULL;
 823         gchar *real_contenttype = NULL, *tmp;
 824
 825         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 826
 827         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 828                 MimeViewerFactory *curfactory = cur->data;
 829                 gint i = 0;
 830
 831                 while (curfactory->content_types[i] != NULL) {
 832                         tmp = g_utf8_strdown(curfactory->content_types[i], -1);
 833                         if (g_pattern_match_simple(tmp, real_contenttype)) {
 834                                 debug_print("%s\n", curfactory->content_types[i]);
 835                                 factory = curfactory;
 836                                 g_free(tmp);
 837                                 break;
 838                         }
 839                         g_free(tmp);
 840                         i++;
 841                 }
 842                 if (factory != NULL)
 843                         break;
 844         }
 845         g_free(real_contenttype);
 846         if (factory == NULL)
 847                 return NULL;
 848
 849         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 850                 MimeViewer *curviewer = cur->data;
 851
 852                 if (curviewer->factory == factory)
 853                         return curviewer;
 854         }
 855         viewer = factory->create_viewer();
 856         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 857                 GTK_WIDGET(viewer->get_widget(viewer)));
 858
 859         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 860
 861         return viewer;
 862 }
 863
 864 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 865 {
 866         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 867 }
 868
 869 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 870 {
 871         gchar *content_type = NULL;
 872         MimeViewer *viewer = NULL;
 873
 874         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 875             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 876                 const gchar *filename;
 877
 878                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 879                 if (filename == NULL)
 880                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 881                 if (filename != NULL)
 882                         content_type = procmime_get_mime_type(filename);
 883         } else {
 884                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 885         }
 886
 887         if (content_type != NULL) {
 888                 viewer = get_viewer_for_content_type(mimeview, content_type);
 889                 g_free(content_type);
 890         }
 891
 892         return viewer;
 893 }
 894
 895 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 896 {
 897         MimeViewer *viewer;
 898
 899         if (mimeview->messageview->partial_display_shown) {
 900                 noticeview_hide(mimeview->messageview->noticeview);
 901                 mimeview->messageview->partial_display_shown = FALSE;
 902         }
 903
 904         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 905         if (viewer == NULL) {
 906                 if (mimeview->mimeviewer != NULL)
 907                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 908                 mimeview->mimeviewer = NULL;
 909                 return FALSE;
 910         }
 911
 912         if (mimeview->mimeviewer != NULL)
 913                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 914
 915         if (mimeview->mimeviewer != viewer)
 916                 mimeview->mimeviewer = viewer;
 917
 918         mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 919         viewer->mimeview = mimeview;
 920         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 921
 922         return TRUE;
 923 }
 924
 925 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 926 {
 927         TextView  *textview  = mimeview->textview;
 928         GtkWidget *focused = NULL;
 929
 930         if (mainwindow_get_mainwindow())
 931                 focused = gtkut_get_focused_child(
 932                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 933
 934         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 935             (mimeview->type == type)) return;
 936
 937         switch (type) {
 938         case MIMEVIEW_TEXT:
 939                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 940                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 941                         GTK_WIDGET_PTR(textview)));
 942                 break;
 943         case MIMEVIEW_VIEWER:
 944                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 945                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 946                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 947                 break;
 948         default:
 949                 return;
 950         }
 951         if (focused)
 952                 gtk_widget_grab_focus(focused);
 953         mimeview->type = type;
 954 }
 955
 956 void mimeview_clear(MimeView *mimeview)
 957 {
 958         GtkTreeModel *model;
 959
 960         if (!mimeview)
 961                 return;
 962
 963         if (g_slist_find(mimeviews, mimeview) == NULL)
 964                 return;
 965
 966         noticeview_hide(mimeview->siginfoview);
 967
 968         model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 969         gtk_tree_store_clear(GTK_TREE_STORE(model));
 970
 971         textview_clear(mimeview->textview);
 972         if (mimeview->mimeviewer != NULL)
 973                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 974
 975         mimeview_free_mimeinfo(mimeview);
 976
 977         mimeview->mimeinfo = NULL;
 978
 979         gtk_tree_path_free(mimeview->opened);
 980         mimeview->opened = NULL;
 981
 982         g_free(mimeview->file);
 983         mimeview->file = NULL;
 984
 985         icon_list_clear(mimeview);
 986         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 987 }
 988
 989 gchar * get_message_check_signature_shortcut(MessageView *messageview) {
 990         GtkUIManager *ui_manager;
 991
 992         if (messageview->window != NULL)
 993                         ui_manager = messageview->ui_manager;
 994                 else
 995                         ui_manager = messageview->mainwin->ui_manager;
 996
 997         return cm_menu_item_get_shortcut(ui_manager, "Menu/Message/CheckSignature");
 998 }
 999
1000 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
1001 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
1002
1003 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
1004                                         gboolean special, SignatureStatus code)
1005 {
1006         gchar *text = NULL, *button_text = NULL;
1007         void  *func = NULL;
1008         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1009         SignatureStatus mycode = SIGNATURE_UNCHECKED;
1010
1011         cm_return_if_fail(mimeview != NULL);
1012         cm_return_if_fail(mimeinfo != NULL);
1013
1014         if (special)
1015                 mycode = code;
1016         else
1017                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1018
1019         switch (mycode) {
1020         case SIGNATURE_UNCHECKED:
1021                 button_text = _("Check signature");
1022                 func = check_signature_cb;
1023                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1024                 break;
1025         case SIGNATURE_OK:
1026                 button_text = _("View full information");
1027                 func = display_full_info_cb;
1028                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
1029                 break;
1030         case SIGNATURE_WARN:
1031                 button_text = _("View full information");
1032                 func = display_full_info_cb;
1033                 icon = STOCK_PIXMAP_PRIVACY_WARN;
1034                 break;
1035         case SIGNATURE_KEY_EXPIRED:
1036                 button_text = _("View full information");
1037                 func = display_full_info_cb;
1038                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1039                 break;
1040         case SIGNATURE_INVALID:
1041                 button_text = _("View full information");
1042                 func = display_full_info_cb;
1043                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
1044                 break;
1045         case SIGNATURE_CHECK_FAILED:
1046         case SIGNATURE_CHECK_TIMEOUT:
1047                 button_text = _("Check again");
1048                 func = check_signature_cb;
1049                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1050                 break;
1051         default:
1052                 break;
1053         }
1054         if (mycode == SIGNATURE_UNCHECKED) {
1055                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1056                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1057
1058                 if (*shortcut == '\0')
1059                         text = g_strdup_printf(_("%s Click the icon to check it."), tmp);
1060                 else
1061                         text = g_strdup_printf(_("%s Click the icon or hit '%s' to check it."),
1062                                 tmp, shortcut);
1063                 g_free(tmp);
1064                 g_free(shortcut);
1065         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1066                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1067         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1068                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1069
1070                 if (*shortcut == '\0')
1071                         text = g_strdup(_("Timeout checking the signature. Click the icon to try again."));
1072                 else
1073                         text = g_strdup_printf(_("Timeout checking the signature. Click the icon or hit '%s' to try again."), shortcut);
1074                 g_free(shortcut);
1075         }
1076
1077         noticeview_set_text(mimeview->siginfoview, text);
1078         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1079
1080         g_free(text);
1081         noticeview_set_button_text(mimeview->siginfoview, NULL);
1082         noticeview_set_button_press_callback(
1083                 mimeview->siginfoview,
1084                 G_CALLBACK(func),
1085                 (gpointer) mimeview);
1086         noticeview_set_icon(mimeview->siginfoview, icon);
1087         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1088
1089         icon_list_clear(mimeview);
1090         icon_list_create(mimeview, mimeview->mimeinfo);
1091 }
1092
1093 #ifdef USE_PTHREAD
1094
1095 /* reset all thread stuff, and do the cleanups we've been left to do */
1096 static void mimeview_check_data_reset(MimeView *mimeview)
1097 {
1098         gboolean must_free;
1099         gboolean must_destroy;
1100
1101         if (!mimeview->check_data)
1102                 return;
1103
1104         must_free = mimeview->check_data->free_after_use;
1105         must_destroy = mimeview->check_data->destroy_mimeview;
1106
1107         if (mimeview->check_data->cancel_th_init) {
1108                 debug_print("killing canceller thread\n");
1109                 mimeview->check_data->cancel_th_init = FALSE;
1110                 pthread_cancel(mimeview->check_data->cancel_th);
1111         }
1112
1113         if (must_free) {
1114                 debug_print("freeing deferred mimeinfo\n");
1115                 procmime_mimeinfo_free_all(&mimeview->check_data->siginfo);
1116         }
1117
1118         g_free(mimeview->check_data);
1119         mimeview->check_data = NULL;
1120
1121         if (must_destroy) {
1122                 debug_print("freeing deferred mimeview\n");
1123                 mimeview_free_mimeinfo(mimeview);
1124                 gtk_tree_path_free(mimeview->opened);
1125                 g_free(mimeview->file);
1126                 g_free(mimeview);
1127                 mimeviews = g_slist_remove(mimeviews, mimeview);
1128         }
1129 }
1130
1131 /* GUI update once the checker thread is done or killed */
1132 static gboolean mimeview_check_sig_thread_cb(void *data)
1133 {
1134         MimeView *mimeview = (MimeView *) data;
1135         MimeInfo *mimeinfo = mimeview->siginfo;
1136
1137         debug_print("mimeview_check_sig_thread_cb\n");
1138
1139         if (mimeinfo == NULL) {
1140                 /* message changed !? */
1141                 g_warning("no more siginfo!");
1142                 goto end;
1143         }
1144
1145         if (!mimeview->check_data) {
1146                 g_warning("nothing to check");
1147                 return FALSE;
1148         }
1149
1150         if (mimeview->check_data->siginfo != mimeinfo) {
1151                 /* message changed !? */
1152                 g_warning("different siginfo!");
1153                 goto end;
1154         }
1155
1156         if (mimeview->check_data->destroy_mimeview ||
1157             mimeview->check_data->free_after_use) {
1158                 debug_print("not bothering, we're changing message\n");
1159                 goto end;
1160         }
1161
1162         /* update status */
1163         if (mimeview->check_data->timeout)
1164                 update_signature_noticeview(mimeview, mimeview->siginfo,
1165                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1166         else
1167                 update_signature_noticeview(mimeview, mimeview->siginfo,
1168                         FALSE, 0);
1169
1170 end:
1171         mimeview_check_data_reset(mimeview);
1172         return FALSE;
1173 }
1174
1175 /* sig checker thread */
1176 static void *mimeview_check_sig_worker_thread(void *data)
1177 {
1178         MimeView *mimeview = (MimeView *)data;
1179         MimeInfo *mimeinfo = mimeview->siginfo;
1180
1181         debug_print("checking...\n");
1182
1183         if (!mimeview->check_data)
1184                 return NULL;
1185
1186         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1187                 privacy_mimeinfo_check_signature(mimeinfo);
1188                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1189                         mimeview->check_data->cancel_th_init = FALSE;
1190                         pthread_cancel(mimeview->check_data->cancel_th);
1191                 }
1192         } else {
1193                 /* that's strange! we changed message without
1194                  * getting killed. */
1195                 g_warning("different siginfo!");
1196                 mimeview_check_data_reset(mimeview);
1197                 return NULL;
1198         }
1199
1200         /* use g_timeout so that GUI updates is done from the
1201          * correct thread */
1202         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1203
1204         return NULL;
1205 }
1206
1207 /* killer thread - acts when the checker didn't work fast
1208  * enough. */
1209 static void *mimeview_check_sig_cancel_thread(void *data)
1210 {
1211         MimeView *mimeview = (MimeView *)data;
1212
1213         if (!mimeview->check_data)
1214                 return NULL; /* nothing to kill ! */
1215
1216         /* wait for a few seconds... */
1217         debug_print("waiting a while\n");
1218
1219         g_usleep(5 * 1000 * 1000);
1220
1221         if (!mimeview->check_data)
1222                 return NULL; /* nothing to kill, it's done in time :) */
1223
1224         /* too late, go away checker thread */
1225         debug_print("killing checker thread\n");
1226         if (mimeview->check_data->th_init) {
1227                 mimeview->check_data->th_init = FALSE;
1228                 pthread_cancel(mimeview->check_data->th);
1229         }
1230
1231         /* tell upstream it was a timeout */
1232         mimeview->check_data->timeout = TRUE;
1233         /* use g_timeout so that GUI updates is done from the
1234          * correct thread */
1235         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1236
1237         return NULL;
1238 }
1239
1240 /* get rid of the checker thread right now - used when changing the
1241  * displayed message for example. */
1242 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1243 {
1244         if (!mimeview->check_data)
1245                 return;
1246         debug_print("killing checker thread NOW\n");
1247         if (mimeview->check_data->th_init) {
1248                 mimeview->check_data->th_init = FALSE;
1249                 pthread_cancel(mimeview->check_data->th);
1250         }
1251
1252         /* tell upstream it was a timeout */
1253         mimeview->check_data->timeout = TRUE;
1254         mimeview_check_sig_thread_cb(mimeview);
1255         return;
1256 }
1257
1258 /* creates a thread to check the signature, and a second one
1259  * to kill the first one after a timeout */
1260 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1261 {
1262         pthread_t th, th2;
1263         pthread_attr_t detach, detach2;
1264
1265         if (mimeview->check_data) {
1266                 g_warning("already checking it");
1267                 return;
1268         }
1269
1270         mimeview->check_data = g_new0(SigCheckData, 1);
1271         mimeview->check_data->siginfo = mimeview->siginfo;
1272         debug_print("creating thread\n");
1273
1274         /* init thread attributes and create the checker thread */
1275         if (pthread_attr_init(&detach) != 0 ||
1276             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1277             pthread_attr_init(&detach2) != 0 ||
1278             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1279             pthread_create(&th, &detach,
1280                         mimeview_check_sig_worker_thread,
1281                         mimeview) != 0) {
1282                 /* arh. We'll do it synchronously. */
1283                 g_warning("can't create thread");
1284                 g_free(mimeview->check_data);
1285                 mimeview->check_data = NULL;
1286                 return;
1287         } else {
1288                 mimeview->check_data->th = th;
1289                 mimeview->check_data->th_init = TRUE;
1290         }
1291
1292         /* create the killer thread */
1293         pthread_create(&th2, &detach2,
1294                         mimeview_check_sig_cancel_thread,
1295                         mimeview);
1296
1297         mimeview->check_data->cancel_th = th2;
1298         mimeview->check_data->cancel_th_init = TRUE;
1299 }
1300 #endif
1301
1302 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1303 {
1304         MimeView *mimeview = (MimeView *) user_data;
1305         MimeInfo *mimeinfo = mimeview->siginfo;
1306
1307         if (mimeinfo == NULL)
1308                 return;
1309 #ifdef USE_PTHREAD
1310         if (mimeview->check_data)
1311                 return;
1312 #endif
1313         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1314         GTK_EVENTS_FLUSH();
1315 #ifdef USE_PTHREAD
1316         /* let's do it non-blocking */
1317         mimeview_check_sig_in_thread(mimeview);
1318         if (!mimeview->check_data) /* let's check syncronously */
1319 #endif
1320         {
1321                 debug_print("checking without thread\n");
1322                 privacy_mimeinfo_check_signature(mimeinfo);
1323                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1324         }
1325 }
1326
1327 void mimeview_check_signature(MimeView *mimeview)
1328 {
1329         check_signature_cb(NULL, mimeview);
1330 }
1331
1332 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1333 {
1334         MimeView *mimeview = (MimeView *) user_data;
1335         gtk_tree_path_free(mimeview->opened);
1336         mimeview->opened = NULL;
1337         mimeview_selected(gtk_tree_view_get_selection(
1338                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1339 }
1340
1341 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1342 {
1343         MimeView *mimeview = (MimeView *) user_data;
1344         gchar *siginfo;
1345
1346         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1347         textview_set_text(mimeview->textview, siginfo);
1348         g_free(siginfo);
1349         noticeview_set_button_text(mimeview->siginfoview, NULL);
1350         noticeview_set_button_press_callback(
1351                 mimeview->siginfoview,
1352                 G_CALLBACK(redisplay_email),
1353                 (gpointer) mimeview);
1354         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1355 }
1356
1357 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1358 {
1359         MimeInfo *siginfo;
1360         MimeInfo *first_text;
1361
1362         cm_return_if_fail(mimeview != NULL);
1363         cm_return_if_fail(selected != NULL);
1364
1365         if (selected->type == MIMETYPE_MESSAGE
1366         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1367                 /* if the first text part is signed, check that */
1368                 first_text = selected;
1369                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1370                         first_text = procmime_mimeinfo_next(first_text);
1371                 }
1372                 if (first_text) {
1373                         update_signature_info(mimeview, first_text);
1374                         return;
1375                 }
1376         }
1377
1378         siginfo = selected;
1379         while (siginfo != NULL) {
1380                 if (privacy_mimeinfo_is_signed(siginfo))
1381                         break;
1382                 siginfo = procmime_mimeinfo_parent(siginfo);
1383         }
1384         mimeview->siginfo = siginfo;
1385
1386         /* This shortcut boolean is there to correctly set the menu's
1387          * CheckSignature item sensitivity without killing performance
1388          * each time the menu sensitiveness is updated (a lot).
1389          */
1390         mimeview->signed_part = (siginfo != NULL);
1391
1392         if (siginfo == NULL) {
1393                 noticeview_hide(mimeview->siginfoview);
1394                 return;
1395         }
1396
1397         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1398         noticeview_show(mimeview->siginfoview);
1399 }
1400
1401 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1402 {
1403         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1404         GtkTreeModel *model;
1405         GtkTreeIter iter;
1406         GtkTreePath *path;
1407         MimeInfo *partinfo;
1408
1409         selection = gtk_tree_view_get_selection(ctree);
1410         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1411                 return;
1412
1413         path = gtk_tree_model_get_path(model, &iter);
1414
1415         if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1416                 gtk_tree_path_free(path);
1417                 return;
1418         }
1419
1420         gtk_tree_path_free(mimeview->opened);
1421         mimeview->opened = path;
1422         mimeview->spec_part = NULL;
1423         gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1424
1425         partinfo = mimeview_get_node_part(mimeview, path);
1426         if (!partinfo) return;
1427
1428         /* ungrab the mouse event */
1429         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1430                 gtk_grab_remove(GTK_WIDGET(ctree));
1431                 if (gdk_pointer_is_grabbed())
1432                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1433         }
1434
1435         mimeview->textview->default_text = FALSE;
1436
1437         update_signature_info(mimeview, partinfo);
1438
1439         if (!mimeview_show_part(mimeview, partinfo)) {
1440                 switch (partinfo->type) {
1441                 case MIMETYPE_TEXT:
1442                 case MIMETYPE_MESSAGE:
1443                 case MIMETYPE_MULTIPART:
1444                         mimeview_show_message_part(mimeview, partinfo);
1445
1446                         break;
1447                 default:
1448                         mimeview->textview->default_text = TRUE;
1449                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1450                         textview_clear(mimeview->textview);
1451                         textview_show_mime_part(mimeview->textview, partinfo);
1452                         break;
1453                 }
1454         }
1455
1456         if (mimeview->siginfo && privacy_auto_check_signatures(mimeview->siginfo)
1457         &&  privacy_mimeinfo_get_sig_status(mimeview->siginfo) == SIGNATURE_UNCHECKED) {
1458                 mimeview_check_signature(mimeview);
1459         }
1460 }
1461
1462 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1463                                     MimeView *mimeview)
1464 {
1465         GtkTreeSelection *selection;
1466         GtkTreeIter iter;
1467
1468         if (!event) return FALSE;
1469
1470         if (event->button == 2 || event->button == 3) {
1471                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1472                 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1473                         return FALSE;
1474
1475                 gtk_tree_selection_select_iter(selection, &iter);
1476         }
1477         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1478
1479         return FALSE;
1480 }
1481
1482 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1483                                     MimeView *mimeview)
1484 {
1485         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1486         if (event->direction == GDK_SCROLL_UP) {
1487                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1488         } else {
1489                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1490         }
1491         gtk_vscrollbutton_scroll(scrollbutton);
1492         return TRUE;
1493 }
1494
1495 /* from gdkevents.c */
1496 #define DOUBLE_CLICK_TIME 250
1497
1498 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1499                                     MimeInfo *partinfo)
1500 {
1501         static MimeInfo *lastinfo;
1502         static guint32 lasttime;
1503
1504         if (event->button == 2 ||
1505             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1506                 /* call external program for image, audio or html */
1507                 mimeview_launch(mimeview, partinfo);
1508                 return TRUE;
1509         } else if (event->button == 3) {
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
1525                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1526                                   "pop_partinfo", partinfo);
1527
1528                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1529                                NULL, NULL, NULL, NULL,
1530                                event->button, event->time);
1531                 return TRUE;
1532         }
1533
1534         lastinfo = partinfo;
1535         lasttime = event->time;
1536         return FALSE;
1537 }
1538
1539
1540 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1541 {
1542         return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1543 }
1544
1545 void mimeview_select_next_part(MimeView *mimeview)
1546 {
1547         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1548         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1549         GtkTreeSelection *selection;
1550         GtkTreeIter iter;
1551         GtkTreePath *path;
1552         MimeInfo *partinfo = NULL;
1553         gboolean has_next;
1554
1555         if (!mimeview->opened) return;
1556
1557         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1558         path = gtk_tree_model_get_path(model, &iter);
1559 skip:
1560         has_next = mimeview_tree_next(model, path);
1561         if (!has_next) {
1562                 has_next = gtk_tree_model_get_iter_first(model, &iter);
1563                 gtk_tree_path_free(path);
1564                 path = gtk_tree_model_get_path(model, &iter);
1565         }
1566
1567         if (has_next) {
1568                 partinfo = mimeview_get_node_part(mimeview, path);
1569                 if (partinfo->type == MIMETYPE_MULTIPART ||
1570                     (!prefs_common.show_inline_attachments && partinfo->id))
1571                         goto skip;
1572                 selection = gtk_tree_view_get_selection(ctree);
1573                 gtk_tree_selection_select_path(selection, path);
1574                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1575         }
1576
1577         gtk_tree_path_free(path);
1578 }
1579
1580 void mimeview_select_prev_part(MimeView *mimeview)
1581 {
1582         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1583         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1584         GtkTreeSelection *selection;
1585         GtkTreeIter iter;
1586         GtkTreePath *path;
1587         MimeInfo *partinfo = NULL;
1588         gboolean has_prev;
1589
1590         if (!mimeview->opened) return;
1591
1592         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1593         path = gtk_tree_model_get_path(model, &iter);
1594 skip:
1595         has_prev = mimeview_tree_prev(mimeview, path);
1596         if (!has_prev) {
1597                 while (mimeview_tree_next(model, path)) {}
1598                 has_prev = TRUE;
1599         }
1600
1601         if (has_prev) {
1602                 partinfo = mimeview_get_node_part(mimeview, path);
1603                 if (partinfo->type == MIMETYPE_MULTIPART ||
1604                     (!prefs_common.show_inline_attachments && partinfo->id))
1605                         goto skip;
1606                 selection = gtk_tree_view_get_selection(ctree);
1607                 gtk_tree_selection_select_path(selection, path);
1608                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1609         }
1610
1611         gtk_tree_path_free(path);
1612 }
1613
1614 #define BREAK_ON_MODIFIER_KEY() \
1615         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1616
1617 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1618                                  MimeView *mimeview)
1619 {
1620         SummaryView *summaryview;
1621
1622         if (!event) return FALSE;
1623         if (!mimeview->opened) return FALSE;
1624
1625         summaryview = mimeview->messageview->mainwin->summaryview;
1626
1627         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1628                 return FALSE;
1629
1630         switch (event->keyval) {
1631         case GDK_KEY_Home:
1632         case GDK_KEY_End:
1633                 textview_scroll_max(mimeview->textview,
1634                                     (event->keyval == GDK_KEY_Home));
1635                 return TRUE;
1636         case GDK_KEY_Page_Down:
1637         case GDK_KEY_space:
1638                 if (mimeview_scroll_page(mimeview,
1639                                          (event->state & GDK_SHIFT_MASK) != 0))
1640                         return TRUE;
1641
1642                 if (!(event->state & GDK_SHIFT_MASK))
1643                         mimeview_select_next_part(mimeview);
1644                 return TRUE;
1645         case GDK_KEY_Page_Up:
1646         case GDK_KEY_BackSpace:
1647                 mimeview_scroll_page(mimeview, TRUE);
1648                 return TRUE;
1649         case GDK_KEY_Return:
1650         case GDK_KEY_KP_Enter:
1651                 mimeview_scroll_one_line(mimeview,
1652                                          (event->state & GDK_MOD1_MASK) != 0);
1653                 return TRUE;
1654         case GDK_KEY_Up:
1655         case GDK_KEY_Down:
1656                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1657                 return TRUE;
1658         default:
1659                 break;
1660         }
1661
1662         if (mimeview->messageview->new_window) return FALSE;
1663
1664         return summary_pass_key_press_event(summaryview, event);
1665 }
1666
1667 static void mimeview_drag_data_get(GtkWidget        *widget,
1668                                    GdkDragContext   *drag_context,
1669                                    GtkSelectionData *selection_data,
1670                                    guint             info,
1671                                    guint             time,
1672                                    MimeView         *mimeview)
1673 {
1674         gchar *filename = NULL, *uriname, *tmp;
1675         MimeInfo *partinfo;
1676         gint err;
1677         gint count = 0;
1678
1679         if (!mimeview->opened) return;
1680         if (!mimeview->file) return;
1681
1682         partinfo = mimeview_get_selected_part(mimeview);
1683         if (!partinfo) return;
1684
1685         if (strlen(get_part_name(partinfo)) > 0) {
1686                 filename = g_path_get_basename(get_part_name(partinfo));
1687                 if (*filename == '\0') return;
1688         } else if (partinfo->type == MIMETYPE_MESSAGE
1689                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1690                 gchar *name = NULL;
1691                 GPtrArray *headers = NULL;
1692                 FILE *fp;
1693
1694                 fp = g_fopen(partinfo->data.filename, "rb");
1695                 if (fp != NULL && fseek(fp, partinfo->offset, SEEK_SET) == 0) {
1696                         headers = procheader_get_header_array_asis(fp);
1697                         if (headers) {
1698                                 gint i;
1699                                 for (i = 0; i < headers->len; i++) {
1700                                         Header *header = g_ptr_array_index(headers, i);
1701                                         if (procheader_headername_equal(header->name, "Subject")) {
1702                                                 unfold_line(header->body);
1703                                                 name = g_strconcat(header->body, ".txt", NULL);
1704                                                 subst_for_filename(name);
1705                                         }
1706                                 }
1707                                 procheader_header_array_destroy(headers);
1708                         }
1709                 }
1710                 if (fp != NULL)
1711                         fclose(fp);
1712                 if (name)
1713                         filename = g_path_get_basename(name);
1714                 g_free(name);
1715         }
1716         if (filename == NULL)
1717                 filename = g_path_get_basename("Unnamed part");
1718
1719         if (!g_utf8_validate(filename, -1, NULL))
1720                 tmp = conv_codeset_strdup(filename,
1721                                 conv_get_locale_charset_str(),
1722                                 CS_UTF_8);
1723         else
1724                 tmp = g_strdup(filename);
1725
1726         if (tmp == NULL) {
1727                 g_warning("filename not in UTF-8");
1728                 tmp = g_strdup("Unnamed part");
1729         }
1730         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1731                                tmp, NULL);
1732
1733 check_new_file:
1734         if (is_file_exist(filename)) {
1735                 gchar *ext = NULL;
1736                 gchar *prefix = NULL;
1737                 gchar *new_name = NULL;
1738                 if (strrchr(tmp, '.')) {
1739                         prefix = g_strdup(tmp);
1740                         ext = g_strdup(strrchr(tmp, '.'));
1741                         *(strrchr(prefix, '.')) = '\0';
1742                 } else {
1743                         prefix = g_strdup(tmp);
1744                         ext = g_strdup("");
1745                 }
1746                 count++;
1747                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1748                 g_free(prefix);
1749                 g_free(ext);
1750                 g_free(filename);
1751                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1752                                new_name, NULL);
1753                 g_free(new_name);
1754                 goto check_new_file;
1755         }
1756
1757         g_free(tmp);
1758
1759         if ((err = procmime_get_part(filename, partinfo)) < 0)
1760                 alertpanel_error
1761                         (_("Couldn't save the part of multipart message: %s"),
1762                                 g_strerror(-err));
1763
1764         tmp = g_filename_to_uri(filename, NULL, NULL);
1765         uriname = g_strconcat(tmp, "\r\n", NULL);
1766         g_free(tmp);
1767
1768         gtk_selection_data_set(selection_data,
1769                    gtk_selection_data_get_target(selection_data), 8,
1770                                (guchar *)uriname, strlen(uriname));
1771
1772         g_free(uriname);
1773         g_free(filename);
1774 }
1775
1776 /**
1777  * Returns a filename (with path) for an attachment
1778  * \param partinfo The attachment to save
1779  * \param basedir The target directory
1780  * \param number Used for dummy filename if attachment is unnamed
1781  */
1782 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1783                                       const gchar *basedir,
1784                                       gint number)
1785 {
1786         gchar *fullname;
1787         gchar *filename;
1788
1789         filename = g_strdup(get_part_name(partinfo));
1790         if (!filename || !*filename) {
1791                 g_free(filename);
1792                 filename = g_strdup_printf("noname.%d", number);
1793         }
1794
1795         if (!g_utf8_validate(filename, -1, NULL)) {
1796                 gchar *tmp = conv_filename_to_utf8(filename);
1797                 g_free(filename);
1798                 filename = tmp;
1799         }
1800
1801         subst_for_filename(filename);
1802
1803         fullname = g_strconcat
1804                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1805                  ? &filename[1] : filename, NULL);
1806
1807         g_free(filename);
1808         filename = conv_filename_from_utf8(fullname);
1809         g_free(fullname);
1810         return filename;
1811 }
1812
1813 /**
1814  * Write a single attachment to file
1815  * \param filename Filename with path
1816  * \param partinfo Attachment to save
1817  */
1818 static gboolean mimeview_write_part(const gchar *filename,
1819                                     MimeInfo *partinfo,
1820                                     gboolean handle_error)
1821 {
1822         gchar *dir;
1823         gint err;
1824
1825         dir= g_path_get_dirname(filename);
1826         if (!is_dir_exist(dir))
1827                 make_dir_hier(dir);
1828         g_free(dir);
1829
1830         if (is_file_exist(filename)) {
1831                 AlertValue aval;
1832                 gchar *res;
1833                 gchar *tmp;
1834
1835                 if (!g_utf8_validate(filename, -1, NULL))
1836                         tmp = conv_filename_to_utf8(filename);
1837                 else
1838                         tmp = g_strdup(filename);
1839
1840                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1841                                       tmp);
1842                 g_free(tmp);
1843                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1844                                   GTK_STOCK_OK, NULL);
1845                 g_free(res);
1846                 if (G_ALERTALTERNATE != aval) return FALSE;
1847         }
1848
1849         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1850                 debug_print("error saving MIME part: %d\n", err);
1851                 if (handle_error)
1852                         alertpanel_error
1853                                 (_("Couldn't save the part of multipart message: %s"),
1854                                  g_strerror(-err));
1855                 return FALSE;
1856         }
1857
1858         return TRUE;
1859 }
1860
1861 static AlertValue mimeview_save_all_error_ask(gint n)
1862 {
1863         gchar *message = g_strdup_printf(
1864                 _("An error has occurred while saving message part #%d. "
1865                 "Do you want to cancel operation or skip error and "
1866                 "continue?"), n);
1867         AlertValue av = alertpanel_full(_("Error saving all message parts"),
1868                 message, GTK_STOCK_CANCEL, _("Skip"), _("Skip all"),
1869                 FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
1870         g_free(message);
1871         return av;
1872 }
1873
1874 static void mimeview_save_all_info(gint errors, gint total)
1875 {
1876         if (!errors) {
1877                 gchar *msg = g_strdup_printf(
1878                                 ngettext("%d file saved successfully.",
1879                                         "%d files saved successfully.",
1880                                         total),
1881                                 total);
1882                 alertpanel_notice("%s", msg);
1883                 g_free(msg);
1884         } else {
1885                 gchar *msg1 = g_strdup_printf(
1886                                 ngettext("%d file saved successfully",
1887                                         "%d files saved successfully",
1888                                         total - errors),
1889                                 total - errors);
1890                 gchar *msg2 = g_strdup_printf(
1891                                 ngettext("%s, %d file failed.",
1892                                         "%s, %d files failed.",
1893                                         errors),
1894                                 msg1, errors);
1895                 alertpanel_warning("%s", msg2);
1896                 g_free(msg2);
1897                 g_free(msg1);
1898         }
1899 }
1900
1901 /**
1902  * Menu callback: Save all attached files
1903  * \param mimeview Current display
1904  */
1905 static void mimeview_save_all(MimeView *mimeview)
1906 {
1907         MimeInfo *partinfo;
1908         gchar *dirname;
1909         gchar *startdir = NULL;
1910         gint number = 1, errors = 0;
1911         gboolean skip_errors = FALSE;
1912
1913         if (!mimeview->opened) return;
1914         if (!mimeview->file) return;
1915         if (!mimeview->mimeinfo) return;
1916
1917         partinfo = mimeview->mimeinfo;
1918         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1919                 startdir = g_strconcat(prefs_common.attach_save_dir, G_DIR_SEPARATOR_S, NULL);
1920         else
1921                 startdir = g_strdup(get_home_dir());
1922
1923         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1924         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1925         if (!dirname) {
1926                 g_free(startdir);
1927                 return;
1928         }
1929
1930         if (!is_dir_exist (dirname)) {
1931                 alertpanel_error(_("'%s' is not a directory."), dirname);
1932                 g_free(startdir);
1933                 g_free(dirname);
1934                 return;
1935         }
1936
1937         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1938                 dirname[strlen(dirname)-1] = '\0';
1939
1940         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1941         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1942                 partinfo = procmime_mimeinfo_next(partinfo);
1943         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1944                 partinfo = procmime_mimeinfo_next(partinfo);
1945                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1946                         partinfo = procmime_mimeinfo_next(partinfo);
1947         }
1948
1949         while (partinfo != NULL) {
1950                 if (partinfo->type != MIMETYPE_MESSAGE &&
1951                     partinfo->type != MIMETYPE_MULTIPART &&
1952                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1953                      || get_real_part_name(partinfo) != NULL)) {
1954                         gchar *filename = mimeview_get_filename_for_part(
1955                                 partinfo, dirname, number++);
1956
1957                         gboolean ok = mimeview_write_part(filename, partinfo, FALSE);
1958                         g_free(filename);
1959                         if (!ok) {
1960                                 ++errors;
1961                                 if (!skip_errors) {
1962                                         AlertValue av = mimeview_save_all_error_ask(number - 1);
1963                                         skip_errors = (av == G_ALERTOTHER);
1964                                         if (av == G_ALERTDEFAULT) /* cancel */
1965                                                 break;
1966                                 }
1967                         }
1968                 }
1969                 partinfo = procmime_mimeinfo_next(partinfo);
1970         }
1971
1972         g_free(prefs_common.attach_save_dir);
1973         g_free(startdir);
1974         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1975                                         -1, NULL, NULL, NULL);
1976         g_free(dirname);
1977
1978         mimeview_save_all_info(errors, number - 1);
1979 }
1980
1981 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1982 {
1983         MimeInfo *partinfo = NULL;
1984         if (mimeview->spec_part) {
1985                 partinfo = mimeview->spec_part;
1986                 mimeview->spec_part = NULL;
1987         } else {
1988                 partinfo = (MimeInfo *) g_object_get_data
1989                          (G_OBJECT(mimeview->popupmenu),
1990                          "pop_partinfo");
1991                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1992                                   "pop_partinfo", NULL);
1993                 if (!partinfo) {
1994                         partinfo = mimeview_get_selected_part(mimeview);
1995                 }
1996         }
1997
1998         return partinfo;
1999 }
2000 /**
2001  * Menu callback: Save the selected attachment
2002  * \param mimeview Current display
2003  */
2004 void mimeview_save_as(MimeView *mimeview)
2005 {
2006         gchar *filename;
2007         gchar *filepath = NULL;
2008         gchar *filedir = NULL;
2009         MimeInfo *partinfo;
2010         gchar *partname = NULL;
2011
2012         if (!mimeview->opened) return;
2013         if (!mimeview->file) return;
2014
2015         partinfo = mimeview_get_part_to_use(mimeview);
2016
2017         cm_return_if_fail(partinfo != NULL);
2018
2019         if (get_part_name(partinfo) == NULL) {
2020                 return;
2021         }
2022         partname = g_strdup(get_part_name(partinfo));
2023
2024         if (!g_utf8_validate(partname, -1, NULL)) {
2025                 gchar *tmp = conv_filename_to_utf8(partname);
2026                 if (!tmp) {
2027                         tmp = conv_codeset_strdup(partname,
2028                                 conv_get_locale_charset_str(),
2029                                 CS_UTF_8);
2030                 }
2031                 if (tmp) {
2032                         g_free(partname);
2033                         partname = tmp;
2034                 }
2035         }
2036
2037         subst_for_filename(partname);
2038
2039         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
2040                 filepath = g_strconcat(prefs_common.attach_save_dir,
2041                                        G_DIR_SEPARATOR_S, partname, NULL);
2042         else
2043                 filepath = g_strdup(partname);
2044
2045         g_free(partname);
2046
2047         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
2048         filename = filesel_select_file_save(_("Save as"), filepath);
2049         if (!filename) {
2050                 g_free(filepath);
2051                 return;
2052         }
2053
2054         mimeview_write_part(filename, partinfo, TRUE);
2055
2056         filedir = g_path_get_dirname(filename);
2057         if (filedir && strcmp(filedir, ".")) {
2058                 g_free(prefs_common.attach_save_dir);
2059                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2060         }
2061
2062         g_free(filedir);
2063         g_free(filepath);
2064 }
2065
2066 void mimeview_display_as_text(MimeView *mimeview)
2067 {
2068         MimeInfo *partinfo;
2069
2070         if (!mimeview->opened) return;
2071
2072         partinfo = mimeview_get_part_to_use(mimeview);
2073         mimeview_select_mimepart_icon(mimeview, partinfo);
2074         cm_return_if_fail(partinfo != NULL);
2075         mimeview_show_message_part(mimeview, partinfo);
2076 }
2077
2078 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2079 {
2080         gchar *filename;
2081         gint err;
2082
2083         if (!mimeview->opened) return;
2084         if (!mimeview->file) return;
2085
2086         if (!partinfo)
2087                 partinfo = mimeview_get_part_to_use(mimeview);
2088
2089         cm_return_if_fail(partinfo != NULL);
2090
2091         filename = procmime_get_tmp_file_name(partinfo);
2092
2093         if ((err = procmime_get_part(filename, partinfo)) < 0)
2094                 alertpanel_error
2095                         (_("Couldn't save the part of multipart message: %s"),
2096                                 g_strerror(-err));
2097         else
2098                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2099
2100         g_free(filename);
2101 }
2102
2103 #ifndef G_OS_WIN32
2104 void mimeview_open_with(MimeView *mimeview)
2105 {
2106         MimeInfo *partinfo;
2107
2108         if (!mimeview) return;
2109         if (!mimeview->opened) return;
2110         if (!mimeview->file) return;
2111
2112         partinfo = mimeview_get_part_to_use(mimeview);
2113
2114         mimeview_open_part_with(mimeview, partinfo, FALSE);
2115 }
2116
2117 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2118 {
2119         gchar *filename;
2120         gchar *cmd;
2121         gchar *mime_command = NULL;
2122         gchar *content_type = NULL;
2123         gint err;
2124
2125         cm_return_if_fail(partinfo != NULL);
2126
2127         filename = procmime_get_tmp_file_name(partinfo);
2128
2129         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2130                 alertpanel_error
2131                         (_("Couldn't save the part of multipart message: %s"),
2132                                 g_strerror(-err));
2133                 g_free(filename);
2134                 return;
2135         }
2136
2137         if (!prefs_common.mime_open_cmd_history)
2138                 prefs_common.mime_open_cmd_history =
2139                         add_history(NULL, prefs_common.mime_open_cmd);
2140
2141         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2142             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2143                 /* guess content-type from filename */
2144                 content_type = procmime_get_mime_type(filename);
2145         }
2146         if (content_type == NULL) {
2147                 content_type = procmime_get_content_type_str(partinfo->type,
2148                         partinfo->subtype);
2149         }
2150
2151         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2152         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2153                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2154                 g_free(content_type);
2155                 content_type = NULL;
2156         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2157         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2158                 mime_command = mailcap_get_command_for_type(content_type, filename);
2159         } else {
2160                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2161                 g_free(content_type);
2162                 content_type = NULL;
2163         }
2164         if (mime_command == NULL) {
2165                 /* try with extension this time */
2166                 g_free(content_type);
2167                 content_type = procmime_get_mime_type(filename);
2168                 mime_command = mailcap_get_command_for_type(content_type, filename);
2169         }
2170
2171         if (mime_command == NULL)
2172                 automatic = FALSE;
2173
2174         if (!automatic) {
2175                 gboolean remember = FALSE;
2176                 if (content_type != NULL)
2177                         cmd = input_dialog_combo_remember
2178                                 (_("Open with"),
2179                                  _("Enter the command-line to open file:\n"
2180                                    "('%s' will be replaced with file name)"),
2181                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2182                                  prefs_common.mime_open_cmd_history, &remember);
2183                 else
2184                         cmd = input_dialog_combo
2185                                 (_("Open with"),
2186                                  _("Enter the command-line to open file:\n"
2187                                    "('%s' will be replaced with file name)"),
2188                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2189                                  prefs_common.mime_open_cmd_history);
2190                 if (cmd && remember) {
2191                         mailcap_update_default(content_type, cmd);
2192                 }
2193                 g_free(mime_command);
2194         } else {
2195                 cmd = mime_command;
2196         }
2197         if (cmd) {
2198                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2199                 g_free(prefs_common.mime_open_cmd);
2200                 prefs_common.mime_open_cmd = cmd;
2201                 prefs_common.mime_open_cmd_history =
2202                         add_history(prefs_common.mime_open_cmd_history, cmd);
2203         }
2204
2205         g_free(content_type);
2206         g_free(filename);
2207 }
2208 #endif
2209
2210 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2211 {
2212         GList *attach_file = NULL;
2213         AttachInfo *ainfo = NULL;
2214         gchar *filename;
2215         gint err;
2216
2217         if (!mimeview->opened) return;
2218         if (!mimeview->file) return;
2219
2220         cm_return_if_fail(partinfo != NULL);
2221
2222         filename = procmime_get_tmp_file_name(partinfo);
2223
2224         if (!(err = procmime_get_part(filename, partinfo))) {
2225                 ainfo = g_new0(AttachInfo, 1);
2226                 ainfo->file = filename;
2227                 ainfo->name = g_strdup(get_part_name(partinfo));
2228                 ainfo->content_type = procmime_get_content_type_str(
2229                                         partinfo->type, partinfo->subtype);
2230                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2231                                         partinfo, "charset"));
2232                 attach_file = g_list_append(attach_file, ainfo);
2233
2234                 compose_new(NULL, NULL, attach_file);
2235
2236                 g_free(ainfo->name);
2237                 g_free(ainfo->content_type);
2238                 g_free(ainfo->charset);
2239                 g_free(ainfo);
2240                 g_list_free(attach_file);
2241         } else
2242                 alertpanel_error
2243                         (_("Couldn't save the part of multipart message: %s"),
2244                                 g_strerror(-err));
2245         g_free(filename);
2246 }
2247
2248 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2249                                const gchar *cmd, MimeView *mimeview)
2250 {
2251 #ifndef G_OS_WIN32
2252         gchar *p;
2253         gchar buf[BUFFSIZE];
2254
2255         if (cmd == NULL)
2256                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2257         else {
2258                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2259                     !strchr(p + 2, '%')) {
2260                         g_snprintf(buf, sizeof(buf), cmd, filename);
2261                         if (!prefs_common.save_parts_readwrite)
2262                                 g_chmod(filename, S_IRUSR);
2263                         else
2264                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2265                 } else {
2266                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2267                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2268                 }
2269                 if (execute_command_line(buf, TRUE, NULL) != 0) {
2270                         if (!prefs_common.save_parts_readwrite)
2271                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2272                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2273                 }
2274         }
2275 #else
2276         SHFILEINFO file_info;
2277         GError *error = NULL;
2278         gunichar2 *fn16 = g_utf8_to_utf16(filename, -1, NULL, NULL, &error);
2279
2280         if (error != NULL) {
2281                 alertpanel_error(_("Could not convert attachment name to UTF-16:\n\n%s"),
2282                                         error->message);
2283                 debug_print("filename '%s' conversion to UTF-16 failed\n", filename);
2284                 g_error_free(error);
2285                 return;
2286         }
2287
2288         if ((SHGetFileInfo((LPCWSTR)fn16, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2289                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2290                                       _("This attachment is an executable file. Executing "
2291                                         "untrusted binaries is dangerous and could probably "
2292                                         "lead to compromission of your computer.\n\n"
2293                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2294                                         _("Run binary"),
2295                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2296                 if (val == G_ALERTALTERNATE) {
2297                         debug_print("executing binary\n");
2298                         ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2299                 }
2300         } else {
2301                 ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2302         }
2303
2304         g_free(fn16);
2305
2306 #endif
2307 }
2308
2309 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2310 {
2311         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2312 }
2313
2314 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2315 {
2316         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2317 }
2318
2319 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2320 {
2321         GSList *mimeview_list, *viewer_list;
2322
2323         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2324                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2325
2326                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2327                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2328                         mimeview->mimeviewer = NULL;
2329                 }
2330
2331                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2332                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2333
2334                         mimeviewer->destroy_viewer(mimeviewer);
2335                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2336                 }
2337         }
2338
2339         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2340 }
2341
2342 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2343 {
2344         gint      num;
2345         MimeInfo *partinfo;
2346
2347         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2348         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2349
2350         if (event->button == 1) {
2351                 icon_selected(mimeview, num, partinfo);
2352                 gtk_widget_grab_focus(button);
2353                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2354         }
2355         part_button_pressed(mimeview, event, partinfo);
2356
2357         return FALSE;
2358 }
2359
2360 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2361 {
2362         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2363         GtkTreeIter iter;
2364         GtkTreePath *path;
2365         MimeInfo *curr = NULL;
2366
2367         gtk_tree_model_get_iter_first(model, &iter);
2368         path = gtk_tree_model_get_path(model, &iter);
2369
2370         do {
2371                 gtk_tree_model_get_iter(model, &iter, path);
2372                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2373                 if (curr == partinfo) {
2374                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2375                                                 GTK_TREE_VIEW(mimeview->ctree));
2376                         gtk_tree_selection_select_iter(sel, &iter);
2377                         gtk_tree_path_free(path);
2378                         return;
2379                 }
2380         } while (mimeview_tree_next(model, path));
2381
2382         gtk_tree_path_free(path);
2383 }
2384
2385 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2386 {
2387         icon_list_toggle_by_mime_info(mimeview, partinfo);
2388         icon_selected(mimeview, -1, partinfo);
2389 }
2390
2391 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2392                              MimeView *mimeview)
2393 {
2394         SummaryView  *summaryview;
2395
2396         if (!event) return FALSE;
2397
2398         switch (event->keyval) {
2399         case GDK_KEY_space:
2400                 if (mimeview_scroll_page(mimeview, FALSE))
2401                         return TRUE;
2402
2403                 mimeview_select_next_part(mimeview);
2404                 return TRUE;
2405
2406                 break;
2407         case GDK_KEY_BackSpace:
2408                 mimeview_scroll_page(mimeview, TRUE);
2409                 return TRUE;
2410         case GDK_KEY_Return:
2411         case GDK_KEY_KP_Enter:
2412                 mimeview_scroll_one_line(mimeview,
2413                                          (event->state & GDK_MOD1_MASK) != 0);
2414                 return TRUE;
2415         case GDK_KEY_y:
2416                 BREAK_ON_MODIFIER_KEY();
2417                 mimeview_save_as(mimeview);
2418                 return TRUE;
2419         case GDK_KEY_t:
2420                 BREAK_ON_MODIFIER_KEY();
2421                 mimeview_display_as_text(mimeview);
2422                 return TRUE;
2423         case GDK_KEY_l:
2424                 BREAK_ON_MODIFIER_KEY();
2425                 mimeview_launch(mimeview, NULL);
2426                 return TRUE;
2427 #ifndef G_OS_WIN32
2428         case GDK_KEY_o:
2429                 BREAK_ON_MODIFIER_KEY();
2430                 mimeview_open_with(mimeview);
2431                 return TRUE;
2432 #endif
2433         case GDK_KEY_c:
2434                 BREAK_ON_MODIFIER_KEY();
2435                 mimeview_check_signature(mimeview);
2436                 return TRUE;
2437         case GDK_KEY_a:
2438                 BREAK_ON_MODIFIER_KEY();
2439                 mimeview_select_next_part(mimeview);
2440                 return TRUE;
2441         default:
2442                 break;
2443         }
2444
2445         if (!mimeview->messageview->mainwin) return FALSE;
2446         summaryview = mimeview->messageview->mainwin->summaryview;
2447         return summary_pass_key_press_event(summaryview, event);
2448 }
2449
2450 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2451 {
2452         MimeView *mimeview = (MimeView *)data;
2453         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2454
2455         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2456                           "pop_partinfo", partinfo);
2457         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2458                        NULL, NULL, NULL, NULL,
2459                        0, gtk_get_current_event_time());
2460         return TRUE;
2461 }
2462
2463 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2464 {
2465         GtkWidget *pixmap = NULL;
2466         GtkWidget *vbox;
2467         GtkWidget *button;
2468         gchar *tip;
2469         gchar *tiptmp;
2470         const gchar *desc = NULL;
2471         gchar *sigshort = NULL;
2472         gchar *content_type;
2473         StockPixmap stockp;
2474         MimeInfo *partinfo;
2475         MimeInfo *siginfo = NULL;
2476         MimeInfo *encrypted = NULL;
2477 #ifdef GENERIC_UMPC
2478         GtkRequisition r;
2479 #endif
2480
2481         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2482                 return;
2483
2484         vbox = mimeview->icon_vbox;
2485         mimeview->icon_count++;
2486         button = gtk_event_box_new();
2487
2488         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2489                          G_CALLBACK(mimeview_visi_notify), mimeview);
2490         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2491                          G_CALLBACK(mimeview_leave_notify), mimeview);
2492         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2493                          G_CALLBACK(mimeview_enter_notify), mimeview);
2494
2495         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2496         g_object_set_data(G_OBJECT(button), "icon_number",
2497                           GINT_TO_POINTER(mimeview->icon_count));
2498         g_object_set_data(G_OBJECT(button), "partinfo",
2499                           mimeinfo);
2500
2501         switch (mimeinfo->type) {
2502
2503         case MIMETYPE_TEXT:
2504                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2505                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2506                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2507                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2508                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2509                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2510                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2511                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2512                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2513                 else
2514                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2515                 break;
2516         case MIMETYPE_MESSAGE:
2517                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2518                 break;
2519         case MIMETYPE_APPLICATION:
2520                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2521                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2522                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2523                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2524                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2525                         stockp = STOCK_PIXMAP_MIME_PDF;
2526                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2527                         stockp = STOCK_PIXMAP_MIME_PS;
2528                 else
2529                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2530                 break;
2531         case MIMETYPE_IMAGE:
2532                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2533                 break;
2534         case MIMETYPE_AUDIO:
2535                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2536                 break;
2537         default:
2538                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2539                 break;
2540         }
2541
2542         partinfo = mimeinfo;
2543         while (partinfo != NULL) {
2544                 if (privacy_mimeinfo_is_signed(partinfo)) {
2545                         siginfo = partinfo;
2546                         break;
2547                 }
2548                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2549                         encrypted = partinfo;
2550                         break;
2551                 }
2552                 partinfo = procmime_mimeinfo_parent(partinfo);
2553         }
2554
2555         if (siginfo != NULL) {
2556                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2557                 case SIGNATURE_UNCHECKED:
2558                 case SIGNATURE_CHECK_FAILED:
2559                 case SIGNATURE_CHECK_TIMEOUT:
2560                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2561                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2562                         break;
2563                 case SIGNATURE_OK:
2564                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2565                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2566                         break;
2567                 case SIGNATURE_WARN:
2568                 case SIGNATURE_KEY_EXPIRED:
2569                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2570                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2571                         break;
2572                 case SIGNATURE_INVALID:
2573                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2574                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2575                         break;
2576                 }
2577                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2578         } else if (encrypted != NULL) {
2579                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2580                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2581         } else {
2582                 pixmap = stock_pixmap_widget_with_overlay(stockp, 0,
2583                                                           OVERLAY_NONE, 6, 3);
2584         }
2585         gtk_container_add(GTK_CONTAINER(button), pixmap);
2586         if (!desc) {
2587                 if (prefs_common.attach_desc)
2588                         desc = get_part_description(mimeinfo);
2589                 else
2590                         desc = get_part_name(mimeinfo);
2591         }
2592
2593         content_type = procmime_get_content_type_str(mimeinfo->type,
2594                                                      mimeinfo->subtype);
2595
2596         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2597                           "\n<b>", _("Size:"), " </b>",
2598                           to_human_readable((goffset)mimeinfo->length), NULL);
2599         g_free(content_type);
2600         if (desc && *desc) {
2601                 gchar *tmp = NULL, *escaped = NULL;
2602                 if (!g_utf8_validate(desc, -1, NULL)) {
2603                         tmp = conv_filename_to_utf8(desc);
2604                 } else {
2605                         tmp = g_strdup(desc);
2606                 }
2607                 escaped = g_markup_escape_text(tmp,-1);
2608
2609                 tiptmp = g_strconcat(tip, "\n<b>",
2610                                 prefs_common.attach_desc && mimeinfo->description ?
2611                                 _("Description:") : _("Filename:"),
2612                                 " </b>", escaped, NULL);
2613                 g_free(tip);
2614                 tip = tiptmp;
2615                 g_free(tmp);
2616                 g_free(escaped);
2617         }
2618         if (sigshort && *sigshort) {
2619                 tiptmp = g_strjoin("\n", tip, g_markup_escape_text(sigshort, -1), NULL);
2620                 g_free(tip);
2621                 tip = tiptmp;
2622         }
2623         g_free(sigshort);
2624
2625         gtk_widget_set_tooltip_markup(button, tip);
2626         g_free(tip);
2627         gtk_widget_show_all(button);
2628         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2629                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2630
2631         g_signal_connect(G_OBJECT(button), "popup-menu",
2632                          G_CALLBACK(icon_popup_menu), mimeview);
2633         g_signal_connect(G_OBJECT(button), "button_release_event",
2634                          G_CALLBACK(icon_clicked_cb), mimeview);
2635         g_signal_connect(G_OBJECT(button), "key_press_event",
2636                          G_CALLBACK(icon_key_pressed), mimeview);
2637         g_signal_connect(G_OBJECT(button), "drag_data_get",
2638                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2639         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2640 #ifdef GENERIC_UMPC
2641         gtk_widget_size_request(pixmap, &r);
2642         gtk_widget_set_size_request(button, -1, r.height + 4);
2643 #endif
2644
2645 }
2646
2647 static void icon_list_clear (MimeView *mimeview)
2648 {
2649         GList     *child, *orig;
2650         GtkAdjustment *adj;
2651
2652         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2653         for (child = orig; child != NULL; child = g_list_next(child)) {
2654                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2655                                        GTK_WIDGET(child->data));
2656         }
2657         g_list_free(orig);
2658         mimeview->icon_count = 0;
2659         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2660         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2661         gtk_adjustment_changed(adj);
2662 }
2663
2664 /*!
2665  *\brief        Used to 'click' the next or previous icon.
2666  *
2667  *\return       true if the icon 'number' exists and was selected.
2668  */
2669 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2670                                          GtkAllocation *size, MimeView *mimeview)
2671 {
2672         GtkAllocation vbox_size;
2673         GtkAllocation layout_size;
2674         GtkAdjustment *adj;
2675         guint width;
2676         guint height;
2677
2678         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2679
2680         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2681         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2682
2683         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2684         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2685                             width,
2686                             MAX(vbox_size.height, layout_size.height));
2687         gtk_adjustment_set_step_increment(adj, 10);
2688 }
2689
2690 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2691 {
2692         GtkRequisition size;
2693         GtkRequisition requisition;
2694
2695         cm_return_if_fail(mimeinfo != NULL);
2696
2697         while (mimeinfo != NULL) {
2698                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2699                         icon_list_append_icon(mimeview, mimeinfo);
2700                 if (mimeinfo->node->children != NULL)
2701                         icon_list_create(mimeview,
2702                                 (MimeInfo *) mimeinfo->node->children->data);
2703                 mimeinfo = mimeinfo->node->next != NULL
2704                          ? (MimeInfo *) mimeinfo->node->next->data
2705                          : NULL;
2706         }
2707         gtk_widget_size_request(mimeview->icon_vbox, &size);
2708         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2709         if (size.width > requisition.width) {
2710                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2711                                             size.width, -1);
2712         }
2713         if (mimeview->opened)
2714                 icon_list_toggle_by_mime_info(mimeview,
2715                         mimeview_get_node_part(mimeview, mimeview->opened));
2716 }
2717
2718 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2719                                            MimeInfo     *mimeinfo)
2720 {
2721         GList *children, *child;
2722
2723         children = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2724         for (child = children; child != NULL; child = g_list_next(child)) {
2725                 gboolean *highlight = NULL;
2726                 GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2727
2728                 if (!GTK_IS_EVENT_BOX(child->data))
2729                         continue;
2730
2731                 highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2732                 *highlight = (g_object_get_data(G_OBJECT(child->data),
2733                                       "partinfo") == (gpointer)mimeinfo);
2734
2735                 gtk_widget_queue_draw(icon);
2736         }
2737         g_list_free(children);
2738 }
2739
2740 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2741                                     MimeView *mimeview)
2742 {
2743         prefs_common.mimeview_tree_height = allocation->height;
2744 }
2745
2746 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2747                                     MimeView *mimeview)
2748 {
2749         g_object_ref(button);
2750
2751         mimeview_leave_notify(button, NULL, NULL);
2752
2753         mimeview->ctree_mode = !mimeview->ctree_mode;
2754         if (mimeview->ctree_mode) {
2755                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2756                                         GTK_SHADOW_NONE);
2757                 gtk_widget_hide(mimeview->icon_mainbox);
2758                 gtk_widget_show(mimeview->ctree_mainbox);
2759                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2760                                         prefs_common.mimeview_tree_height);
2761
2762                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2763                                         button);
2764                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2765                                    button, FALSE, FALSE, 0);
2766         } else {
2767                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2768                               GTK_SHADOW_NONE);
2769                 gtk_widget_hide(mimeview->ctree_mainbox);
2770                 gtk_widget_show(mimeview->icon_mainbox);
2771                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2772
2773                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2774                                         button);
2775                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2776                                    button, FALSE, FALSE, 0);
2777                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2778                 if (mimeview->opened)
2779                         icon_list_toggle_by_mime_info(mimeview,
2780                                         mimeview_get_node_part(mimeview, mimeview->opened));
2781                 summary_grab_focus(mimeview->mainwin->summaryview);
2782         }
2783         g_object_unref(button);
2784         return TRUE;
2785 }
2786
2787 void mimeview_update (MimeView *mimeview)
2788 {
2789         if (mimeview && mimeview->mimeinfo) {
2790                 icon_list_clear(mimeview);
2791                 icon_list_create(mimeview, mimeview->mimeinfo);
2792         }
2793 }
2794
2795 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2796 {
2797         MessageView *msgview = NULL;
2798         MainWindow *mainwin = NULL;
2799
2800         if (!cmd)
2801                 return;
2802
2803         msgview = mimeview->messageview;
2804         if (!msgview)
2805                 return;
2806
2807         mainwin = msgview->mainwin;
2808         if (!mainwin)
2809                 return;
2810
2811         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2812                           "pop_partinfo", NULL);
2813
2814         if (!strcmp(cmd, "sc://view_log"))
2815                 log_window_show(mainwin->logwin);
2816         else if (!strcmp(cmd, "sc://save_as"))
2817                 mimeview_save_as(mimeview);
2818         else if (!strcmp(cmd, "sc://display_as_text"))
2819                 mimeview_display_as_text(mimeview);
2820 #ifndef G_OS_WIN32
2821         else if (!strcmp(cmd, "sc://open_with"))
2822                 mimeview_open_with(mimeview);
2823 #endif
2824         else if (!strcmp(cmd, "sc://open"))
2825                 mimeview_launch(mimeview, NULL);
2826         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2827                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2828                 icon_selected(mimeview, -1, (MimeInfo *)data);
2829         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2830                 mimeview_launch(mimeview, (MimeInfo *)data);
2831         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2832                 mimeview->spec_part = (MimeInfo *)data;
2833                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2834         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2835                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2836                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2837                 gtk_toggle_button_set_active(
2838                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2839                                 TRUE);
2840                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2841                                 ADVANCED_SEARCH_EXTENDED, buf);
2842                 g_free(buf);
2843         }
2844 }
2845
2846 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2847 {
2848         if (mimeview->type == MIMEVIEW_TEXT)
2849                 return textview_scroll_page(mimeview->textview, up);
2850         else if (mimeview->mimeviewer) {
2851                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2852                 if (mimeviewer->scroll_page)
2853                         return mimeviewer->scroll_page(mimeviewer, up);
2854         }
2855         return TRUE;
2856 }
2857
2858 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2859 {
2860         if (mimeview->type == MIMEVIEW_TEXT)
2861                 textview_scroll_one_line(mimeview->textview, up);
2862         else if (mimeview->mimeviewer) {
2863                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2864                 if (mimeviewer->scroll_one_line)
2865                         mimeviewer->scroll_one_line(mimeviewer, up);
2866         }
2867 }