src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <gtk/gtk.h>
  31 #include <stdio.h>
  32 #include <sys/types.h>
  33 #include <sys/stat.h>
  34
  35 #ifndef HAVE_APACHE_FNMATCH
  36 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  37  * fnmatch.h */
  38 #include <fnmatch.h>
  39 #endif
  40
  41 #include "main.h"
  42 #include "mimeview.h"
  43 #include "textview.h"
  44 #include "procmime.h"
  45 #include "summaryview.h"
  46 #include "menu.h"
  47 #include "filesel.h"
  48 #include "alertpanel.h"
  49 #include "inputdialog.h"
  50 #include "utils.h"
  51 #include "gtkutils.h"
  52 #include "prefs_common.h"
  53 #include "procheader.h"
  54 #include "stock_pixmap.h"
  55 #include "gtk/gtkvscrollbutton.h"
  56 #include "gtk/logwindow.h"
  57 #include "timing.h"
  58 #include "manage_window.h"
  59 #include "privacy.h"
  60
  61 #ifdef MAEMO
  62 #include <libosso.h>
  63 #ifndef CHINOOK
  64 #include <osso-mime.h>
  65 #else
  66 #include <hildon-mime.h>
  67 #endif
  68 #endif
  69
  70 typedef enum
  71 {
  72         COL_MIMETYPE = 0,
  73         COL_SIZE     = 1,
  74         COL_NAME     = 2,
  75         COL_DATA     = 3,
  76 } MimeViewColumnPos;
  77
  78 #define N_MIMEVIEW_COLS 4
  79
  80 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  81                                                  MimeInfo       *mimeinfo,
  82                                                  GtkTreeIter    *parent);
  83 static void mimeview_show_message_part          (MimeView       *mimeview,
  84                                                  MimeInfo       *partinfo);
  85 static void mimeview_change_view_type           (MimeView       *mimeview,
  86                                                  MimeViewType    type);
  87 static gchar *mimeview_get_filename_for_part            (MimeInfo       *partinfo,
  88                                                  const gchar    *basedir,
  89                                                  gint            number);
  90 static gboolean mimeview_write_part             (const gchar    *filename,
  91                                                  MimeInfo       *partinfo);
  92
  93 static void mimeview_selected           (GtkTreeSelection       *selection,
  94                                          MimeView       *mimeview);
  95 static gint mimeview_button_pressed     (GtkWidget      *widget,
  96                                          GdkEventButton *event,
  97                                          MimeView       *mimeview);
  98 static gint mimeview_key_pressed        (GtkWidget      *widget,
  99                                          GdkEventKey    *event,
 100                                          MimeView       *mimeview);
 101
 102 static void mimeview_drag_data_get      (GtkWidget        *widget,
 103                                          GdkDragContext   *drag_context,
 104                                          GtkSelectionData *selection_data,
 105                                          guint             info,
 106                                          guint             time,
 107                                          MimeView         *mimeview);
 108
 109 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 110                                          GdkEventScroll *event,
 111                                          MimeView       *mimeview);
 112
 113 static void mimeview_save_all           (MimeView       *mimeview);
 114 #ifndef G_OS_WIN32
 115 static void mimeview_open_part_with     (MimeView       *mimeview,
 116                                          MimeInfo       *partinfo,
 117                                          gboolean        automatic);
 118 #endif
 119 static void mimeview_send_to            (MimeView       *mimeview,
 120                                          MimeInfo       *partinfo);
 121 static void mimeview_view_file          (const gchar    *filename,
 122                                          MimeInfo       *partinfo,
 123                                          const gchar    *cmd,
 124                                          MimeView       *mimeview);
 125 static gboolean icon_clicked_cb         (GtkWidget      *button,
 126                                          GdkEventButton *event,
 127                                          MimeView       *mimeview);
 128 static void icon_selected               (MimeView       *mimeview,
 129                                          gint            num,
 130                                          MimeInfo       *partinfo);
 131 static gint icon_key_pressed            (GtkWidget      *button,
 132                                          GdkEventKey    *event,
 133                                          MimeView       *mimeview);
 134 static void icon_list_append_icon       (MimeView       *mimeview,
 135                                          MimeInfo       *mimeinfo);
 136 static void icon_list_create            (MimeView       *mimeview,
 137                                          MimeInfo       *mimeinfo);
 138 static void icon_list_clear             (MimeView       *mimeview);
 139 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 140                                            MimeInfo     *mimeinfo);
 141 static void ctree_size_allocate_cb      (GtkWidget      *widget,
 142                                          GtkAllocation  *allocation,
 143                                          MimeView       *mimeview);
 144 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 145                                     MimeView *mimeview);
 146 static gboolean part_button_pressed     (MimeView       *mimeview,
 147                                          GdkEventButton *event,
 148                                          MimeInfo       *partinfo);
 149 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 150                                          GtkAllocation  *layout_size,
 151                                          MimeView       *mimeview);
 152 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 153 static const gchar *get_part_name(MimeInfo *partinfo);
 154 static const gchar *get_part_description(MimeInfo *partinfo);
 155
 156 static void mimeview_launch_cb(GtkAction *action, gpointer data)
 157 {
 158         MimeView *mimeview = (MimeView *)data;
 159         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 160 }
 161
 162 #ifndef G_OS_WIN32
 163 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
 164 {
 165         mimeview_open_with((MimeView *)data);
 166 }
 167 #endif
 168
 169 static void mimeview_send_to_cb(GtkAction *action, gpointer data)
 170 {
 171         MimeView *mimeview = (MimeView *)data;
 172         mimeview_send_to(mimeview, mimeview_get_part_to_use(mimeview));
 173 }
 174
 175 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
 176 {
 177         mimeview_display_as_text((MimeView *)data);
 178 }
 179
 180 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
 181 {
 182         mimeview_save_as((MimeView *)data);
 183 }
 184
 185 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
 186 {
 187         mimeview_save_all((MimeView *)data);
 188 }
 189
 190 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
 191 {
 192         mimeview_select_next_part((MimeView *)data);
 193 }
 194
 195 static void mimeview_select_prev_part_cb(GtkAction *action, gpointer data)
 196 {
 197         mimeview_select_prev_part((MimeView *)data);
 198 }
 199
 200 static GtkActionEntry mimeview_menu_actions[] = {
 201         { "MimeView", NULL, "MimeView" },
 202         { "MimeView/Open", NULL, N_("_Open"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
 203 #if (!defined MAEMO && !defined G_OS_WIN32)
 204         { "MimeView/OpenWith", NULL, N_("Open _with..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
 205 #endif
 206         { "MimeView/SendTo", NULL, N_("Send to..."), NULL, "Send to", G_CALLBACK(mimeview_send_to_cb) },
 207         { "MimeView/DisplayAsText", NULL, N_("_Display as text"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
 208         { "MimeView/SaveAs", NULL, N_("_Save as..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
 209         { "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
 210         { "MimeView/NextPart", NULL, N_("Next part"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) },
 211         { "MimeView/PrevPart", NULL, N_("Previous part"), NULL, "Previous part", G_CALLBACK(mimeview_select_prev_part_cb) }
 212 };
 213
 214 static GtkTargetEntry mimeview_mime_types[] =
 215 {
 216         {"text/uri-list", 0, 0}
 217 };
 218
 219 GSList *mimeviewer_factories;
 220 GSList *mimeviews;
 221
 222 static GdkCursor *hand_cursor = NULL;
 223
 224 static gboolean mimeview_visi_notify(GtkWidget *widget,
 225                                        GdkEventVisibility *event,
 226                                        MimeView *mimeview)
 227 {
 228         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 229         return FALSE;
 230 }
 231
 232 static gboolean mimeview_leave_notify(GtkWidget *widget,
 233                                       GdkEventCrossing *event,
 234                                       MimeView *mimeview)
 235 {
 236         gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
 237         return FALSE;
 238 }
 239
 240 static gboolean mimeview_enter_notify(GtkWidget *widget,
 241                                       GdkEventCrossing *event,
 242                                       MimeView *mimeview)
 243 {
 244         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 245         return FALSE;
 246 }
 247
 248 MimeView *mimeview_create(MainWindow *mainwin)
 249 {
 250         MimeView *mimeview;
 251
 252         GtkWidget *paned;
 253         GtkWidget *scrolledwin;
 254         GtkWidget *ctree;
 255         GtkWidget *mime_notebook;
 256         GtkWidget *popupmenu;
 257         GtkWidget *ctree_mainbox;
 258         GtkWidget *vbox;
 259         GtkWidget *mime_toggle;
 260         GtkWidget *icon_mainbox;
 261         GtkWidget *icon_scroll;
 262         GtkWidget *icon_vbox;
 263         GtkWidget *arrow;
 264         GtkWidget *scrollbutton;
 265         GtkWidget *hbox;
 266         NoticeView *siginfoview;
 267         GtkRequisition r;
 268         GtkTreeStore *model;
 269         GtkCellRenderer *renderer;
 270         GtkTreeViewColumn *column;
 271         GtkTreeSelection *selection;
 272
 273         gchar *titles[N_MIMEVIEW_COLS];
 274         gint cols;
 275
 276         if (!hand_cursor)
 277                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 278
 279         debug_print("Creating MIME view...\n");
 280         mimeview = g_new0(MimeView, 1);
 281
 282         titles[COL_MIMETYPE] = _("MIME Type");
 283         titles[COL_SIZE]     = _("Size");
 284         titles[COL_NAME]     = _("Name");
 285
 286         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 287         gtk_widget_show(scrolledwin);
 288         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 289                                        GTK_POLICY_AUTOMATIC,
 290                                        GTK_POLICY_AUTOMATIC);
 291
 292         model = gtk_tree_store_new(N_MIMEVIEW_COLS,
 293                                    G_TYPE_STRING,
 294                                    G_TYPE_STRING,
 295                                    G_TYPE_STRING,
 296                                    G_TYPE_POINTER);
 297
 298         ctree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
 299         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
 300         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(ctree),
 301                                         prefs_common.use_stripes_everywhere);
 302         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
 303                                         prefs_common.show_col_headers);
 304
 305         renderer = gtk_cell_renderer_text_new();
 306         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 307                                         -1, titles[COL_MIMETYPE],renderer,
 308                                         "text", COL_MIMETYPE, NULL);
 309         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 310
 311         renderer = gtk_cell_renderer_text_new();
 312 #if(GTK_CHECK_VERSION(2,18,0))
 313         gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
 314 #endif
 315         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 316                                         -1, titles[COL_SIZE], renderer,
 317                                         "text", COL_SIZE, NULL);
 318         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 319         gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
 320
 321         renderer = gtk_cell_renderer_text_new();
 322         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 323                                         -1, titles[COL_NAME], renderer,
 324                                         "text", COL_NAME, NULL);
 325         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 326         gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
 327
 328         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
 329         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 330
 331         gtk_widget_show(ctree);
 332         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 333         gtk_drag_source_set(ctree, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
 334                             mimeview_mime_types, 1, GDK_ACTION_COPY);
 335
 336         g_signal_connect(G_OBJECT(selection), "changed",
 337                          G_CALLBACK(mimeview_selected), mimeview);
 338         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 339                          G_CALLBACK(mimeview_button_pressed), mimeview);
 340         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 341                          G_CALLBACK(mimeview_key_pressed), mimeview);
 342         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 343                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 344
 345         mime_notebook = gtk_notebook_new();
 346         gtk_widget_show(mime_notebook);
 347         gtkut_widget_set_can_focus(mime_notebook, FALSE);
 348         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 349         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 350
 351         icon_vbox = gtk_vbox_new(FALSE, 2);
 352         gtk_widget_show(icon_vbox);
 353         icon_scroll = gtk_layout_new(NULL, NULL);
 354         gtk_widget_show(icon_scroll);
 355         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 356         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 357         gtk_widget_show(scrollbutton);
 358
 359         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 360                          G_CALLBACK(mimeview_scrolled), mimeview);
 361
 362         mime_toggle = gtk_event_box_new();
 363         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 364
 365         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 366                          G_CALLBACK(mimeview_visi_notify), mimeview);
 367         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 368                          G_CALLBACK(mimeview_leave_notify), mimeview);
 369         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 370                          G_CALLBACK(mimeview_enter_notify), mimeview);
 371
 372         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 373         gtk_widget_show(mime_toggle);
 374         mimeview->ctree_mode = FALSE;
 375         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 376         gtk_widget_show(arrow);
 377         gtk_widget_size_request(arrow, &r);
 378         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 379         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 380                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 381
 382         icon_mainbox = gtk_vbox_new(FALSE, 0);
 383         gtk_widget_show(icon_mainbox);
 384         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 385         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 386         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 387         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 388         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 389                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 390
 391         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 392         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 393         g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
 394                          G_CALLBACK(ctree_size_allocate_cb), mimeview);
 395
 396         mimeview->ui_manager = gtk_ui_manager_new();
 397         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 398                         "MimeView", mimeview_menu_actions,
 399                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 400
 401         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 402         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 403                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 404         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 405                         "/Menus/MimeView/", "Open", "MimeView/Open",
 406                         GTK_UI_MANAGER_MENUITEM);
 407 #if (!defined MAEMO && !defined G_OS_WIN32)
 408         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 409                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 410                         GTK_UI_MANAGER_MENUITEM);
 411 #endif
 412         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 413                         "/Menus/MimeView/", "SendTo", "MimeView/SendTo",
 414                         GTK_UI_MANAGER_MENUITEM);
 415         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 416                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 417                         GTK_UI_MANAGER_MENUITEM);
 418         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 419                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 420                         GTK_UI_MANAGER_MENUITEM);
 421         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 422                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 423                         GTK_UI_MANAGER_MENUITEM);
 424         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 425                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 426                         GTK_UI_MANAGER_MENUITEM);
 427         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 428                         "/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
 429                         GTK_UI_MANAGER_MENUITEM);
 430
 431         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 432                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 433
 434
 435         vbox = gtk_vbox_new(FALSE, 0);
 436         gtk_widget_show(vbox);
 437         siginfoview = noticeview_create(mainwin);
 438         noticeview_hide(siginfoview);
 439         noticeview_set_icon_clickable(siginfoview, TRUE);
 440         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 441         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 442
 443         paned = gtk_vpaned_new();
 444         gtk_widget_show(paned);
 445         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 446         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 447
 448         hbox = gtk_hbox_new(FALSE, 0);
 449         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 450         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 451
 452         gtk_widget_show(hbox);
 453         gtk_widget_hide(ctree_mainbox);
 454 #ifdef GENERIC_UMPC
 455         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 456 #endif
 457         mimeview->hbox          = hbox;
 458         mimeview->paned         = paned;
 459         mimeview->scrolledwin   = scrolledwin;
 460         mimeview->ctree         = ctree;
 461         mimeview->mime_notebook = mime_notebook;
 462         mimeview->popupmenu     = popupmenu;
 463         mimeview->type          = -1;
 464         mimeview->ctree_mainbox = ctree_mainbox;
 465         mimeview->icon_scroll   = icon_scroll;
 466         mimeview->icon_vbox     = icon_vbox;
 467         mimeview->icon_mainbox  = icon_mainbox;
 468         mimeview->icon_count    = 0;
 469         mimeview->mainwin       = mainwin;
 470 #if !(GTK_CHECK_VERSION(2,12,0))
 471         mimeview->tooltips      = tips;
 472 #endif
 473         mimeview->mime_toggle   = mime_toggle;
 474         mimeview->siginfoview   = siginfoview;
 475         mimeview->scrollbutton  = scrollbutton;
 476         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 477
 478         mimeviews = g_slist_prepend(mimeviews, mimeview);
 479
 480         return mimeview;
 481 }
 482
 483 void mimeview_init(MimeView *mimeview)
 484 {
 485         textview_init(mimeview->textview);
 486
 487         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 488                 GTK_WIDGET_PTR(mimeview->textview));
 489 }
 490
 491 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 492 {
 493         while (mimeinfo) {
 494                 if (privacy_mimeinfo_is_signed(mimeinfo))
 495                         return TRUE;
 496                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 497         }
 498
 499         return FALSE;
 500 }
 501
 502 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 503                            const gchar *file)
 504 {
 505         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 506
 507         mimeview_clear(mimeview);
 508
 509         cm_return_if_fail(file != NULL);
 510         cm_return_if_fail(mimeinfo != NULL);
 511
 512         mimeview->mimeinfo = mimeinfo;
 513
 514         mimeview->file = g_strdup(file);
 515
 516         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 517                                         mimeview);
 518
 519         /* check if the mail's signed - it can change the mail structure */
 520
 521         if (any_part_is_signed(mimeinfo))
 522                 debug_print("signed mail\n");
 523
 524         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 525         gtk_tree_view_expand_all(ctree);
 526         icon_list_clear(mimeview);
 527         icon_list_create(mimeview, mimeinfo);
 528
 529         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 530                                           mimeview_selected, mimeview);
 531 }
 532
 533 #ifdef USE_PTHREAD
 534 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 535 #endif
 536
 537 static void mimeview_free_mimeinfo(MimeView *mimeview)
 538 {
 539         gboolean defer = FALSE;
 540 #ifdef USE_PTHREAD
 541         defer = (mimeview->check_data != NULL);
 542         if (defer)
 543                 mimeview->check_data->free_after_use = TRUE;
 544 #endif
 545         if (mimeview->mimeinfo != NULL && !defer) {
 546                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 547                 mimeview->mimeinfo = NULL;
 548         } else if (defer) {
 549 #ifdef USE_PTHREAD
 550                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 551                 mimeview_check_sig_cancel_now(mimeview);
 552 #endif
 553         }
 554 }
 555
 556 void mimeview_destroy(MimeView *mimeview)
 557 {
 558         GSList *cur;
 559
 560         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 561                 MimeViewer *viewer = (MimeViewer *) cur->data;
 562                 viewer->destroy_viewer(viewer);
 563         }
 564         g_slist_free(mimeview->viewers);
 565         gtk_target_list_unref(mimeview->target_list);
 566
 567 #ifdef USE_PTHREAD
 568         if (mimeview->check_data) {
 569                 mimeview->check_data->destroy_mimeview = TRUE;
 570                 debug_print("deferring destroy\n");
 571         } else
 572 #endif
 573         {
 574                 mimeview_free_mimeinfo(mimeview);
 575                 gtk_tree_path_free(mimeview->opened);
 576                 g_free(mimeview->file);
 577                 g_free(mimeview);
 578                 mimeviews = g_slist_remove(mimeviews, mimeview);
 579         }
 580
 581 }
 582
 583 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 584 {
 585         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 586         GtkTreeIter iter;
 587         GtkTreeSelection *selection;
 588         MimeInfo *partinfo = NULL;
 589
 590         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 591         if (gtk_tree_selection_get_selected(selection, NULL, &iter))
 592                 gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 593
 594         return partinfo;
 595 }
 596
 597 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 598 {
 599         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 600         GtkTreeIter iter;
 601         MimeInfo *partinfo;
 602
 603         gtk_tree_model_get_iter(model, &iter, path);
 604         gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 605         return partinfo;
 606 }
 607
 608 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 609 {
 610         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 611         GtkTreeIter iter;
 612         return !gtk_tree_model_get_iter_first(model, &iter);
 613 }
 614
 615 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 616 {
 617         GtkTreeIter iter, parent;
 618         gboolean has_parent;
 619
 620         gtk_tree_model_get_iter(model, &iter, path);
 621
 622         if (gtk_tree_model_iter_has_child(model, &iter)) {
 623                 gtk_tree_path_down(path);
 624                 return TRUE;
 625         }
 626
 627         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 628
 629         if (!gtk_tree_model_iter_next(model, &iter)) {
 630                 while (has_parent) {
 631                         GtkTreeIter saved_parent = parent;
 632                         gtk_tree_path_up(path);
 633                         if (gtk_tree_model_iter_next(model, &parent)) {
 634                                 gtk_tree_path_next(path);
 635                                 return TRUE;
 636                         } else {
 637                                 has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 638                         }
 639                 }
 640
 641         } else {
 642                 gtk_tree_path_next(path);
 643                 return TRUE;
 644         }
 645
 646         return FALSE;
 647 }
 648
 649 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 650 {
 651         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 652         GtkTreeIter iter, child, parent;
 653         gboolean has_parent;
 654
 655         gtk_tree_model_get_iter(model, &iter, path);
 656         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 657
 658         if (gtk_tree_path_prev(path)) {
 659                 gtk_tree_model_get_iter(model, &iter, path);
 660
 661                 if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 662                         gtk_tree_path_down(path);
 663
 664                         while (gtk_tree_model_iter_next(model, &child))
 665                                 gtk_tree_path_next(path);
 666                 }
 667
 668                 return TRUE;
 669         }
 670
 671         if (has_parent) {
 672                 gtk_tree_path_up(path);
 673                 return TRUE;
 674         }
 675
 676         return FALSE;
 677 }
 678
 679 gint mimeview_get_selected_part_num(MimeView *mimeview)
 680 {
 681         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 682         GtkTreeIter iter;
 683         GtkTreePath *path;
 684         gint i = 0;
 685
 686         gtk_tree_model_get_iter_first(model, &iter);
 687         path = gtk_tree_model_get_path(model, &iter);
 688
 689         do {
 690                 if (!gtk_tree_path_compare(mimeview->opened, path)) {
 691                         gtk_tree_path_free(path);
 692                         return i;
 693                 }
 694
 695                 i++;
 696         } while (mimeview_tree_next(model, path));
 697
 698         gtk_tree_path_free(path);
 699
 700         return -1;
 701 }
 702
 703 void mimeview_select_part_num(MimeView *mimeview, gint i)
 704 {
 705         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 706         GtkTreeIter iter;
 707         GtkTreePath *path;
 708         GtkTreeSelection *selection;
 709         gint x = 0;
 710
 711         if (i < 0)
 712                 return;
 713
 714         gtk_tree_model_get_iter_first(model, &iter);
 715         path = gtk_tree_model_get_path(model, &iter);
 716
 717         while (x != i) {
 718                 if (!mimeview_tree_next(model, path)) {
 719                         gtk_tree_path_free(path);
 720                         return;
 721                 }
 722                 x++;
 723         }
 724
 725         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 726         gtk_tree_selection_select_path(selection, path);
 727         gtk_tree_path_free(path);
 728 }
 729
 730 static void mimeview_set_multipart_tree(MimeView *mimeview,
 731                                         MimeInfo *mimeinfo,
 732                                         GtkTreeIter *parent)
 733 {
 734         GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 735                                         GTK_TREE_VIEW(mimeview->ctree)));
 736         GtkTreeIter iter;
 737         gchar *content_type, *length, *name;
 738
 739         cm_return_if_fail(mimeinfo != NULL);
 740
 741         while (mimeinfo != NULL) {
 742                 if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 743                         content_type = g_strdup_printf("%s/%s",
 744                                         procmime_get_media_type_str(mimeinfo->type),
 745                                         mimeinfo->subtype);
 746                 else
 747                         content_type = g_strdup("UNKNOWN");
 748
 749                 length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 750
 751                 if (prefs_common.attach_desc)
 752                         name = g_strdup(get_part_description(mimeinfo));
 753                 else
 754                         name = g_strdup(get_part_name(mimeinfo));
 755
 756                 gtk_tree_store_append(model, &iter, parent);
 757                 gtk_tree_store_set(model, &iter,
 758                                 COL_MIMETYPE, content_type,
 759                                 COL_SIZE, length,
 760                                 COL_NAME, name,
 761                                 COL_DATA, mimeinfo, -1);
 762                 g_free(content_type);
 763                 g_free(length);
 764                 g_free(name);
 765
 766                 if (mimeinfo->node->children)
 767                         mimeview_set_multipart_tree(mimeview,
 768                                 (MimeInfo *) mimeinfo->node->children->data, &iter);
 769                 mimeinfo = mimeinfo->node->next != NULL ?
 770                                 (MimeInfo *) mimeinfo->node->next->data : NULL;
 771         }
 772 }
 773
 774 static const gchar *get_real_part_name(MimeInfo *partinfo)
 775 {
 776         const gchar *name = NULL;
 777
 778         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 779         if (name == NULL)
 780                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 781
 782         return name;
 783 }
 784
 785 static const gchar *get_part_name(MimeInfo *partinfo)
 786 {
 787         const gchar *name;
 788
 789         name = get_real_part_name(partinfo);
 790         if (name == NULL)
 791                 name = "";
 792
 793         return name;
 794 }
 795
 796 static const gchar *get_part_description(MimeInfo *partinfo)
 797 {
 798         if (partinfo->description)
 799                 return partinfo->description;
 800         else
 801                 return get_part_name(partinfo);
 802 }
 803
 804 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 805 {
 806         FILE *fp;
 807         const gchar *fname;
 808
 809         if (!partinfo) return;
 810
 811         fname = mimeview->file;
 812         if (!fname) return;
 813
 814         if ((fp = g_fopen(fname, "rb")) == NULL) {
 815                 FILE_OP_ERROR(fname, "fopen");
 816                 return;
 817         }
 818
 819         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 820                 FILE_OP_ERROR(mimeview->file, "fseek");
 821                 fclose(fp);
 822                 return;
 823         }
 824
 825         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 826         textview_show_part(mimeview->textview, partinfo, fp);
 827
 828         fclose(fp);
 829 }
 830
 831 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 832 {
 833         GSList *cur;
 834         MimeViewerFactory *factory = NULL;
 835         MimeViewer *viewer = NULL;
 836         gchar *real_contenttype = NULL;
 837
 838 /*
 839  * FNM_CASEFOLD is a GNU extension
 840  */
 841 #ifndef FNM_CASEFOLD
 842 #define FNM_CASEFOLD 0
 843         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 844 #else
 845         real_contenttype = g_strdup(content_type);
 846 #endif
 847
 848         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 849                 MimeViewerFactory *curfactory = cur->data;
 850                 gint i = 0;
 851
 852                 while (curfactory->content_types[i] != NULL) {
 853                         if(!fnmatch(curfactory->content_types[i], real_contenttype, FNM_CASEFOLD)) {
 854                                 debug_print("%s\n", curfactory->content_types[i]);
 855                                 factory = curfactory;
 856                                 break;
 857                         }
 858                         i++;
 859                 }
 860                 if (factory != NULL)
 861                         break;
 862         }
 863         g_free(real_contenttype);
 864         if (factory == NULL)
 865                 return NULL;
 866
 867         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 868                 MimeViewer *curviewer = cur->data;
 869
 870                 if (curviewer->factory == factory)
 871                         return curviewer;
 872         }
 873         viewer = factory->create_viewer();
 874         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 875                 GTK_WIDGET(viewer->get_widget(viewer)));
 876
 877         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 878
 879         return viewer;
 880 }
 881
 882 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 883 {
 884         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 885 }
 886
 887 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 888 {
 889         gchar *content_type = NULL;
 890         MimeViewer *viewer = NULL;
 891
 892         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 893             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 894                 const gchar *filename;
 895
 896                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 897                 if (filename == NULL)
 898                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 899                 if (filename != NULL)
 900                         content_type = procmime_get_mime_type(filename);
 901         } else {
 902                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 903         }
 904
 905         if (content_type != NULL) {
 906                 viewer = get_viewer_for_content_type(mimeview, content_type);
 907                 g_free(content_type);
 908         }
 909
 910         return viewer;
 911 }
 912
 913 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 914 {
 915         MimeViewer *viewer;
 916
 917         if (mimeview->messageview->partial_display_shown) {
 918                 noticeview_hide(mimeview->messageview->noticeview);
 919                 mimeview->messageview->partial_display_shown = FALSE;
 920         }
 921
 922         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 923         if (viewer == NULL) {
 924                 if (mimeview->mimeviewer != NULL)
 925                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 926                 mimeview->mimeviewer = NULL;
 927                 return FALSE;
 928         }
 929
 930         if (mimeview->mimeviewer != NULL)
 931                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 932
 933         if (mimeview->mimeviewer != viewer)
 934                 mimeview->mimeviewer = viewer;
 935
 936         mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 937         viewer->mimeview = mimeview;
 938         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 939
 940         return TRUE;
 941 }
 942
 943 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 944 {
 945         TextView  *textview  = mimeview->textview;
 946         GtkWidget *focused = NULL;
 947
 948         if (mainwindow_get_mainwindow())
 949                 focused = gtkut_get_focused_child(
 950                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 951
 952         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 953             (mimeview->type == type)) return;
 954
 955         switch (type) {
 956         case MIMEVIEW_TEXT:
 957                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 958                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 959                         GTK_WIDGET_PTR(textview)));
 960                 break;
 961         case MIMEVIEW_VIEWER:
 962                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 963                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 964                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 965                 break;
 966         default:
 967                 return;
 968         }
 969         if (focused)
 970                 gtk_widget_grab_focus(focused);
 971         mimeview->type = type;
 972 }
 973
 974 void mimeview_clear(MimeView *mimeview)
 975 {
 976         GtkTreeModel *model;
 977
 978         if (!mimeview)
 979                 return;
 980
 981         if (g_slist_find(mimeviews, mimeview) == NULL)
 982                 return;
 983
 984         noticeview_hide(mimeview->siginfoview);
 985
 986         model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 987         gtk_tree_store_clear(GTK_TREE_STORE(model));
 988
 989         textview_clear(mimeview->textview);
 990         if (mimeview->mimeviewer != NULL)
 991                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 992
 993         mimeview_free_mimeinfo(mimeview);
 994
 995         mimeview->mimeinfo = NULL;
 996
 997         gtk_tree_path_free(mimeview->opened);
 998         mimeview->opened = NULL;
 999
1000         g_free(mimeview->file);
1001         mimeview->file = NULL;
1002
1003         icon_list_clear(mimeview);
1004         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1005 }
1006
1007 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
1008 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
1009
1010 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
1011                                         gboolean special, SignatureStatus code)
1012 {
1013         gchar *text = NULL, *button_text = NULL;
1014         void  *func = NULL;
1015         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1016         SignatureStatus mycode = SIGNATURE_UNCHECKED;
1017
1018         cm_return_if_fail(mimeview != NULL);
1019         cm_return_if_fail(mimeinfo != NULL);
1020
1021         if (special)
1022                 mycode = code;
1023         else
1024                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1025
1026         switch (mycode) {
1027         case SIGNATURE_UNCHECKED:
1028                 button_text = _("Check signature");
1029                 func = check_signature_cb;
1030                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1031                 break;
1032         case SIGNATURE_OK:
1033                 button_text = _("View full information");
1034                 func = display_full_info_cb;
1035                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
1036                 break;
1037         case SIGNATURE_WARN:
1038                 button_text = _("View full information");
1039                 func = display_full_info_cb;
1040                 icon = STOCK_PIXMAP_PRIVACY_WARN;
1041                 break;
1042         case SIGNATURE_KEY_EXPIRED:
1043                 button_text = _("View full information");
1044                 func = display_full_info_cb;
1045                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1046                 break;
1047         case SIGNATURE_INVALID:
1048                 button_text = _("View full information");
1049                 func = display_full_info_cb;
1050                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
1051                 break;
1052         case SIGNATURE_CHECK_FAILED:
1053         case SIGNATURE_CHECK_TIMEOUT:
1054                 button_text = _("Check again");
1055                 func = check_signature_cb;
1056                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1057                 break;
1058         default:
1059                 break;
1060         }
1061         if (mycode == SIGNATURE_UNCHECKED) {
1062                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1063                 text = g_strdup_printf("%s %s",
1064                         tmp, _("Click the icon or hit 'C' to check it."));
1065                 g_free(tmp);
1066         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1067                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1068         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1069                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
1070         }
1071
1072         noticeview_set_text(mimeview->siginfoview, text);
1073         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1074
1075         g_free(text);
1076         noticeview_set_button_text(mimeview->siginfoview, NULL);
1077         noticeview_set_button_press_callback(
1078                 mimeview->siginfoview,
1079                 G_CALLBACK(func),
1080                 (gpointer) mimeview);
1081         noticeview_set_icon(mimeview->siginfoview, icon);
1082         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1083 }
1084
1085 #ifdef USE_PTHREAD
1086
1087 /* reset all thread stuff, and do the cleanups we've been left to do */
1088 static void mimeview_check_data_reset(MimeView *mimeview)
1089 {
1090         gboolean must_free;
1091         gboolean must_destroy;
1092
1093         if (!mimeview->check_data)
1094                 return;
1095
1096         must_free = mimeview->check_data->free_after_use;
1097         must_destroy = mimeview->check_data->destroy_mimeview;
1098
1099         if (mimeview->check_data->cancel_th_init) {
1100                 debug_print("killing canceller thread\n");
1101                 mimeview->check_data->cancel_th_init = FALSE;
1102                 pthread_cancel(mimeview->check_data->cancel_th);
1103         }
1104
1105         g_free(mimeview->check_data);
1106         mimeview->check_data = NULL;
1107
1108         if (must_free) {
1109                 debug_print("freeing deferred mimeinfo\n");
1110                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
1111         }
1112         if (must_destroy) {
1113                 debug_print("freeing deferred mimeview\n");
1114                 mimeview_free_mimeinfo(mimeview);
1115                 gtk_tree_path_free(mimeview->opened);
1116                 g_free(mimeview->file);
1117                 g_free(mimeview);
1118                 mimeviews = g_slist_remove(mimeviews, mimeview);
1119         }
1120
1121 }
1122
1123 /* GUI update once the checker thread is done or killed */
1124 static gboolean mimeview_check_sig_thread_cb(void *data)
1125 {
1126         MimeView *mimeview = (MimeView *) data;
1127         MimeInfo *mimeinfo = mimeview->siginfo;
1128
1129         debug_print("mimeview_check_sig_thread_cb\n");
1130
1131         if (mimeinfo == NULL) {
1132                 /* message changed !? */
1133                 g_warning("no more siginfo!\n");
1134                 goto end;
1135         }
1136
1137         if (!mimeview->check_data) {
1138                 g_warning("nothing to check\n");
1139                 return FALSE;
1140         }
1141
1142         if (mimeview->check_data->siginfo != mimeinfo) {
1143                 /* message changed !? */
1144                 g_warning("different siginfo!\n");
1145                 goto end;
1146         }
1147
1148         if (mimeview->check_data->destroy_mimeview ||
1149             mimeview->check_data->free_after_use) {
1150                 debug_print("not bothering, we're changing message\n");
1151                 goto end;
1152         }
1153
1154         /* update status */
1155         if (mimeview->check_data->timeout)
1156                 update_signature_noticeview(mimeview, mimeview->siginfo,
1157                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1158         else
1159                 update_signature_noticeview(mimeview, mimeview->siginfo,
1160                         FALSE, 0);
1161         icon_list_clear(mimeview);
1162         icon_list_create(mimeview, mimeview->mimeinfo);
1163
1164 end:
1165         mimeview_check_data_reset(mimeview);
1166         return FALSE;
1167 }
1168
1169 /* sig checker thread */
1170 static void *mimeview_check_sig_worker_thread(void *data)
1171 {
1172         MimeView *mimeview = (MimeView *)data;
1173         MimeInfo *mimeinfo = mimeview->siginfo;
1174
1175         debug_print("checking...\n");
1176
1177         if (!mimeview->check_data)
1178                 return NULL;
1179
1180         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1181                 privacy_mimeinfo_check_signature(mimeinfo);
1182                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1183                         mimeview->check_data->cancel_th_init = FALSE;
1184                         pthread_cancel(mimeview->check_data->cancel_th);
1185                 }
1186         } else {
1187                 /* that's strange! we changed message without
1188                  * getting killed. */
1189                 g_warning("different siginfo!\n");
1190                 mimeview_check_data_reset(mimeview);
1191                 return NULL;
1192         }
1193
1194         /* use g_timeout so that GUI updates is done from the
1195          * correct thread */
1196         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1197
1198         return NULL;
1199 }
1200
1201 /* killer thread - acts when the checker didn't work fast
1202  * enough. */
1203 static void *mimeview_check_sig_cancel_thread(void *data)
1204 {
1205         MimeView *mimeview = (MimeView *)data;
1206
1207         if (!mimeview->check_data)
1208                 return NULL; /* nothing to kill ! */
1209
1210         /* wait for a few seconds... */
1211         debug_print("waiting a while\n");
1212
1213         g_usleep(5 * 1000 * 1000);
1214
1215         if (!mimeview->check_data)
1216                 return NULL; /* nothing to kill, it's done in time :) */
1217
1218         /* too late, go away checker thread */
1219         debug_print("killing checker thread\n");
1220         if (mimeview->check_data->th_init) {
1221                 mimeview->check_data->th_init = FALSE;
1222                 pthread_cancel(mimeview->check_data->th);
1223         }
1224
1225         /* tell upstream it was a timeout */
1226         mimeview->check_data->timeout = TRUE;
1227         /* use g_timeout so that GUI updates is done from the
1228          * correct thread */
1229         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1230
1231         return NULL;
1232 }
1233
1234 /* get rid of the checker thread right now - used when changing the
1235  * displayed message for example. */
1236 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1237 {
1238         if (!mimeview->check_data)
1239                 return;
1240         debug_print("killing checker thread NOW\n");
1241         if (mimeview->check_data->th_init) {
1242                 mimeview->check_data->th_init = FALSE;
1243                 pthread_cancel(mimeview->check_data->th);
1244         }
1245
1246         /* tell upstream it was a timeout */
1247         mimeview->check_data->timeout = TRUE;
1248         mimeview_check_sig_thread_cb(mimeview);
1249         return;
1250 }
1251
1252 /* creates a thread to check the signature, and a second one
1253  * to kill the first one after a timeout */
1254 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1255 {
1256         pthread_t th, th2;
1257         pthread_attr_t detach, detach2;
1258
1259         if (mimeview->check_data) {
1260                 g_warning("already checking it");
1261                 return;
1262         }
1263
1264         mimeview->check_data = g_new0(SigCheckData, 1);
1265         mimeview->check_data->siginfo = mimeview->siginfo;
1266         debug_print("creating thread\n");
1267
1268         /* init thread attributes and create the checker thread */
1269         if (pthread_attr_init(&detach) != 0 ||
1270             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1271             pthread_attr_init(&detach2) != 0 ||
1272             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1273             pthread_create(&th, &detach,
1274                         mimeview_check_sig_worker_thread,
1275                         mimeview) != 0) {
1276                 /* arh. We'll do it synchronously. */
1277                 g_warning("can't create thread");
1278                 g_free(mimeview->check_data);
1279                 mimeview->check_data = NULL;
1280                 return;
1281         } else {
1282                 mimeview->check_data->th = th;
1283                 mimeview->check_data->th_init = TRUE;
1284         }
1285
1286         /* create the killer thread */
1287         pthread_create(&th2, &detach2,
1288                         mimeview_check_sig_cancel_thread,
1289                         mimeview);
1290
1291         mimeview->check_data->cancel_th = th2;
1292         mimeview->check_data->cancel_th_init = TRUE;
1293 }
1294 #endif
1295
1296 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1297 {
1298         MimeView *mimeview = (MimeView *) user_data;
1299         MimeInfo *mimeinfo = mimeview->siginfo;
1300
1301         if (mimeinfo == NULL)
1302                 return;
1303 #ifdef USE_PTHREAD
1304         if (mimeview->check_data)
1305                 return;
1306 #endif
1307         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1308         GTK_EVENTS_FLUSH();
1309 #ifdef USE_PTHREAD
1310         /* let's do it non-blocking */
1311         mimeview_check_sig_in_thread(mimeview);
1312         if (!mimeview->check_data) /* let's check syncronously */
1313 #endif
1314         {
1315                 debug_print("checking without thread\n");
1316                 privacy_mimeinfo_check_signature(mimeinfo);
1317                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1318                 icon_list_clear(mimeview);
1319                 icon_list_create(mimeview, mimeview->mimeinfo);
1320         }
1321 }
1322
1323 void mimeview_check_signature(MimeView *mimeview)
1324 {
1325         check_signature_cb(NULL, mimeview);
1326 }
1327
1328 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1329 {
1330         MimeView *mimeview = (MimeView *) user_data;
1331         gtk_tree_path_free(mimeview->opened);
1332         mimeview->opened = NULL;
1333         mimeview_selected(gtk_tree_view_get_selection(
1334                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1335 }
1336
1337 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1338 {
1339         MimeView *mimeview = (MimeView *) user_data;
1340         gchar *siginfo;
1341
1342         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1343         textview_set_text(mimeview->textview, siginfo);
1344         g_free(siginfo);
1345         noticeview_set_button_text(mimeview->siginfoview, NULL);
1346         noticeview_set_button_press_callback(
1347                 mimeview->siginfoview,
1348                 G_CALLBACK(redisplay_email),
1349                 (gpointer) mimeview);
1350         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1351 }
1352
1353 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1354 {
1355         MimeInfo *siginfo;
1356         MimeInfo *first_text;
1357
1358         cm_return_if_fail(mimeview != NULL);
1359         cm_return_if_fail(selected != NULL);
1360
1361         if (selected->type == MIMETYPE_MESSAGE
1362         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1363                 /* if the first text part is signed, check that */
1364                 first_text = selected;
1365                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1366                         first_text = procmime_mimeinfo_next(first_text);
1367                 }
1368                 if (first_text) {
1369                         update_signature_info(mimeview, first_text);
1370                         return;
1371                 }
1372         }
1373
1374         siginfo = selected;
1375         while (siginfo != NULL) {
1376                 if (privacy_mimeinfo_is_signed(siginfo))
1377                         break;
1378                 siginfo = procmime_mimeinfo_parent(siginfo);
1379         }
1380         mimeview->siginfo = siginfo;
1381
1382         /* This shortcut boolean is there to correctly set the menu's
1383          * CheckSignature item sensitivity without killing performance
1384          * each time the menu sensitiveness is updated (a lot).
1385          */
1386         mimeview->signed_part = (siginfo == selected);
1387
1388         if (siginfo == NULL) {
1389                 noticeview_hide(mimeview->siginfoview);
1390                 return;
1391         }
1392
1393         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1394         noticeview_show(mimeview->siginfoview);
1395 }
1396
1397 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1398 {
1399         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1400         GtkTreeModel *model;
1401         GtkTreeIter iter;
1402         GtkTreePath *path;
1403         MimeInfo *partinfo;
1404
1405         selection = gtk_tree_view_get_selection(ctree);
1406         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1407                 return;
1408
1409         path = gtk_tree_model_get_path(model, &iter);
1410
1411         if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1412                 gtk_tree_path_free(path);
1413                 return;
1414         }
1415
1416         gtk_tree_path_free(mimeview->opened);
1417         mimeview->opened = path;
1418         mimeview->spec_part = NULL;
1419         gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1420
1421         partinfo = mimeview_get_node_part(mimeview, path);
1422         if (!partinfo) return;
1423
1424         /* ungrab the mouse event */
1425         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1426                 gtk_grab_remove(GTK_WIDGET(ctree));
1427                 if (gdk_pointer_is_grabbed())
1428                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1429         }
1430
1431         mimeview->textview->default_text = FALSE;
1432
1433         update_signature_info(mimeview, partinfo);
1434
1435         if (!mimeview_show_part(mimeview, partinfo)) {
1436                 switch (partinfo->type) {
1437                 case MIMETYPE_TEXT:
1438                 case MIMETYPE_MESSAGE:
1439                 case MIMETYPE_MULTIPART:
1440                         mimeview_show_message_part(mimeview, partinfo);
1441
1442                         break;
1443                 default:
1444                         mimeview->textview->default_text = TRUE;
1445                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1446                         textview_clear(mimeview->textview);
1447                         textview_show_mime_part(mimeview->textview, partinfo);
1448                         break;
1449                 }
1450         }
1451 }
1452
1453 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1454                                     MimeView *mimeview)
1455 {
1456         GtkTreeSelection *selection;
1457         GtkTreeIter iter;
1458
1459         if (!event) return FALSE;
1460
1461         if (event->button == 2 || event->button == 3) {
1462                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1463                 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1464                         return FALSE;
1465
1466                 gtk_tree_selection_select_iter(selection, &iter);
1467         }
1468         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1469
1470         return FALSE;
1471 }
1472
1473 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1474                                     MimeView *mimeview)
1475 {
1476         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1477         if (event->direction == GDK_SCROLL_UP) {
1478                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1479         } else {
1480                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1481         }
1482         gtk_vscrollbutton_scroll(scrollbutton);
1483         return TRUE;
1484 }
1485
1486 /* from gdkevents.c */
1487 #define DOUBLE_CLICK_TIME 250
1488
1489 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1490                                     MimeInfo *partinfo)
1491 {
1492         static MimeInfo *lastinfo;
1493         static guint32 lasttime;
1494
1495         if (event->button == 2 ||
1496             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1497                 /* call external program for image, audio or html */
1498                 mimeview_launch(mimeview, partinfo);
1499                 return TRUE;
1500         } else if (event->button == 3) {
1501                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1502                                  partinfo->type == MIMETYPE_IMAGE ||
1503                                  partinfo->type == MIMETYPE_MULTIPART))
1504                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1505                 else
1506                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1507 #ifndef G_OS_WIN32
1508                 if (partinfo &&
1509                     partinfo->type == MIMETYPE_APPLICATION &&
1510                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1511                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1512                 else
1513 #endif
1514                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1515
1516                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1517                                   "pop_partinfo", partinfo);
1518
1519                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1520                                NULL, NULL, NULL, NULL,
1521                                event->button, event->time);
1522                 return TRUE;
1523         }
1524
1525         lastinfo = partinfo;
1526         lasttime = event->time;
1527         return FALSE;
1528 }
1529
1530
1531 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1532 {
1533         return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1534 }
1535
1536 void mimeview_select_next_part(MimeView *mimeview)
1537 {
1538         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1539         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1540         GtkTreeSelection *selection;
1541         GtkTreeIter iter;
1542         GtkTreePath *path;
1543         MimeInfo *partinfo = NULL;
1544         gboolean has_next;
1545
1546         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1547         path = gtk_tree_model_get_path(model, &iter);
1548 skip:
1549         has_next = mimeview_tree_next(model, path);
1550         if (!has_next) {
1551                 has_next = gtk_tree_model_get_iter_first(model, &iter);
1552                 gtk_tree_path_free(path);
1553                 path = gtk_tree_model_get_path(model, &iter);
1554         }
1555
1556         if (has_next) {
1557                 partinfo = mimeview_get_node_part(mimeview, path);
1558                 if (partinfo->type == MIMETYPE_MULTIPART ||
1559                     (!prefs_common.show_inline_attachments && partinfo->id))
1560                         goto skip;
1561                 selection = gtk_tree_view_get_selection(ctree);
1562                 gtk_tree_selection_select_path(selection, path);
1563                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1564         }
1565
1566         gtk_tree_path_free(path);
1567 }
1568
1569 void mimeview_select_prev_part(MimeView *mimeview)
1570 {
1571         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1572         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1573         GtkTreeSelection *selection;
1574         GtkTreeIter iter;
1575         GtkTreePath *path;
1576         MimeInfo *partinfo = NULL;
1577         gboolean has_prev;
1578
1579         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1580         path = gtk_tree_model_get_path(model, &iter);
1581 skip:
1582         has_prev = mimeview_tree_prev(mimeview, path);
1583         if (!has_prev) {
1584                 while (mimeview_tree_next(model, path)) {}
1585                 has_prev = TRUE;
1586         }
1587
1588         if (has_prev) {
1589                 partinfo = mimeview_get_node_part(mimeview, path);
1590                 if (partinfo->type == MIMETYPE_MULTIPART ||
1591                     (!prefs_common.show_inline_attachments && partinfo->id))
1592                         goto skip;
1593                 selection = gtk_tree_view_get_selection(ctree);
1594                 gtk_tree_selection_select_path(selection, path);
1595                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1596         }
1597
1598         gtk_tree_path_free(path);
1599 }
1600
1601 #define BREAK_ON_MODIFIER_KEY() \
1602         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1603
1604 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1605                                  MimeView *mimeview)
1606 {
1607         SummaryView *summaryview;
1608
1609         if (!event) return FALSE;
1610         if (!mimeview->opened) return FALSE;
1611
1612         summaryview = mimeview->messageview->mainwin->summaryview;
1613
1614         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1615                 return FALSE;
1616
1617         switch (event->keyval) {
1618         case GDK_KEY_Home:
1619         case GDK_KEY_End:
1620                 textview_scroll_max(mimeview->textview,
1621                                     (event->keyval == GDK_KEY_Home));
1622                 return TRUE;
1623         case GDK_KEY_Page_Down:
1624         case GDK_KEY_space:
1625                 if (mimeview_scroll_page(mimeview,
1626                                          (event->state & GDK_SHIFT_MASK) != 0))
1627                         return TRUE;
1628
1629                 if (!(event->state & GDK_SHIFT_MASK))
1630                         mimeview_select_next_part(mimeview);
1631                 return TRUE;
1632         case GDK_KEY_Page_Up:
1633         case GDK_KEY_BackSpace:
1634                 mimeview_scroll_page(mimeview, TRUE);
1635                 return TRUE;
1636         case GDK_KEY_Return:
1637         case GDK_KEY_KP_Enter:
1638                 mimeview_scroll_one_line(mimeview,
1639                                          (event->state & GDK_MOD1_MASK) != 0);
1640                 return TRUE;
1641         case GDK_KEY_Up:
1642         case GDK_KEY_Down:
1643                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1644                 return TRUE;
1645         default:
1646                 break;
1647         }
1648
1649         if (mimeview->messageview->new_window) return FALSE;
1650
1651         return summary_pass_key_press_event(summaryview, event);
1652 }
1653
1654 static void mimeview_drag_data_get(GtkWidget        *widget,
1655                                    GdkDragContext   *drag_context,
1656                                    GtkSelectionData *selection_data,
1657                                    guint             info,
1658                                    guint             time,
1659                                    MimeView         *mimeview)
1660 {
1661         gchar *filename = NULL, *uriname, *tmp;
1662         MimeInfo *partinfo;
1663         gint err;
1664         gint count = 0;
1665
1666         if (!mimeview->opened) return;
1667         if (!mimeview->file) return;
1668
1669         partinfo = mimeview_get_selected_part(mimeview);
1670         if (!partinfo) return;
1671
1672         if (strlen(get_part_name(partinfo)) > 0) {
1673                 filename = g_path_get_basename(get_part_name(partinfo));
1674                 if (*filename == '\0') return;
1675         } else if (partinfo->type == MIMETYPE_MESSAGE
1676                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1677                 gchar *name = NULL;
1678                 GPtrArray *headers = NULL;
1679                 FILE *fp;
1680
1681                 fp = g_fopen(partinfo->data.filename, "rb");
1682                 fseek(fp, partinfo->offset, SEEK_SET);
1683                 headers = procheader_get_header_array_asis(fp);
1684                 if (headers) {
1685                         gint i;
1686                         for (i = 0; i < headers->len; i++) {
1687                                 Header *header = g_ptr_array_index(headers, i);
1688                                 if (procheader_headername_equal(header->name, "Subject")) {
1689                                         unfold_line(header->body);
1690                                         name = g_strconcat(header->body, ".txt", NULL);
1691                                         subst_for_filename(name);
1692                                 }
1693                         }
1694                         procheader_header_array_destroy(headers);
1695                 }
1696                 fclose(fp);
1697                 if (name)
1698                         filename = g_path_get_basename(name);
1699                 g_free(name);
1700         }
1701         if (filename == NULL)
1702                 filename = g_path_get_basename("Unnamed part");
1703
1704         if (!g_utf8_validate(filename, -1, NULL))
1705                 tmp = conv_codeset_strdup(filename,
1706                                 conv_get_locale_charset_str(),
1707                                 CS_UTF_8);
1708         else
1709                 tmp = g_strdup(filename);
1710
1711         if (tmp == NULL) {
1712                 g_warning("filename not in UTF-8");
1713                 tmp = g_strdup("Unnamed part");
1714         }
1715         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1716                                tmp, NULL);
1717
1718 check_new_file:
1719         if (is_file_exist(filename)) {
1720                 gchar *ext = NULL;
1721                 gchar *prefix = NULL;
1722                 gchar *new_name = NULL;
1723                 if (strrchr(tmp, '.')) {
1724                         prefix = g_strdup(tmp);
1725                         ext = g_strdup(strrchr(tmp, '.'));
1726                         *(strrchr(prefix, '.')) = '\0';
1727                 } else {
1728                         prefix = g_strdup(tmp);
1729                         ext = g_strdup("");
1730                 }
1731                 count++;
1732                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1733                 g_free(prefix);
1734                 g_free(ext);
1735                 g_free(filename);
1736                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1737                                new_name, NULL);
1738                 g_free(new_name);
1739                 goto check_new_file;
1740         }
1741
1742         g_free(tmp);
1743
1744         if ((err = procmime_get_part(filename, partinfo)) < 0)
1745                 alertpanel_error
1746                         (_("Couldn't save the part of multipart message: %s"),
1747                                 strerror(-err));
1748
1749         tmp = g_filename_to_uri(filename, NULL, NULL);
1750         uriname = g_strconcat(tmp, "\r\n", NULL);
1751         g_free(tmp);
1752
1753         gtk_selection_data_set(selection_data,
1754                    gtk_selection_data_get_target(selection_data), 8,
1755                                (guchar *)uriname, strlen(uriname));
1756
1757         g_free(uriname);
1758         g_free(filename);
1759 }
1760
1761 /**
1762  * Returns a filename (with path) for an attachment
1763  * \param partinfo The attachment to save
1764  * \param basedir The target directory
1765  * \param number Used for dummy filename if attachment is unnamed
1766  */
1767 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1768                                       const gchar *basedir,
1769                                       gint number)
1770 {
1771         gchar *fullname;
1772         gchar *filename;
1773
1774         filename = g_strdup(get_part_name(partinfo));
1775         if (!filename || !*filename) {
1776                 g_free(filename);
1777                 filename = g_strdup_printf("noname.%d", number);
1778         }
1779
1780         if (!g_utf8_validate(filename, -1, NULL)) {
1781                 gchar *tmp = conv_filename_to_utf8(filename);
1782                 g_free(filename);
1783                 filename = tmp;
1784         }
1785
1786         subst_for_filename(filename);
1787
1788         fullname = g_strconcat
1789                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1790                  ? &filename[1] : filename, NULL);
1791
1792         g_free(filename);
1793         filename = conv_filename_from_utf8(fullname);
1794         g_free(fullname);
1795         return filename;
1796 }
1797
1798 /**
1799  * Write a single attachment to file
1800  * \param filename Filename with path
1801  * \param partinfo Attachment to save
1802  */
1803 static gboolean mimeview_write_part(const gchar *filename,
1804                                     MimeInfo *partinfo)
1805 {
1806         gchar *dir;
1807         gint err;
1808
1809         dir= g_path_get_dirname(filename);
1810         if (!is_dir_exist(dir))
1811                 make_dir_hier(dir);
1812         g_free(dir);
1813
1814         if (is_file_exist(filename)) {
1815                 AlertValue aval;
1816                 gchar *res;
1817                 gchar *tmp;
1818
1819                 if (!g_utf8_validate(filename, -1, NULL))
1820                         tmp = conv_filename_to_utf8(filename);
1821                 else
1822                         tmp = g_strdup(filename);
1823
1824                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1825                                       tmp);
1826                 g_free(tmp);
1827                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1828                                   GTK_STOCK_OK, NULL);
1829                 g_free(res);
1830                 if (G_ALERTALTERNATE != aval) return FALSE;
1831         }
1832
1833         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1834                 alertpanel_error
1835                         (_("Couldn't save the part of multipart message: %s"),
1836                                 strerror(-err));
1837                 return FALSE;
1838         }
1839
1840         return TRUE;
1841 }
1842
1843 /**
1844  * Menu callback: Save all attached files
1845  * \param mimeview Current display
1846  */
1847 static void mimeview_save_all(MimeView *mimeview)
1848 {
1849         MimeInfo *partinfo;
1850         gchar *dirname;
1851         gchar *startdir = NULL;
1852         gint number = 1;
1853
1854         if (!mimeview->opened) return;
1855         if (!mimeview->file) return;
1856         if (!mimeview->mimeinfo) return;
1857
1858         partinfo = mimeview->mimeinfo;
1859         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1860                 startdir = g_strconcat(prefs_common.attach_save_dir,
1861                                        G_DIR_SEPARATOR_S, NULL);
1862         else
1863                 startdir = g_strdup(get_home_dir());
1864
1865         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1866         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1867         if (!dirname) {
1868                 g_free(startdir);
1869                 return;
1870         }
1871
1872         if (!is_dir_exist (dirname)) {
1873                 alertpanel_error(_("'%s' is not a directory."),
1874                                  dirname);
1875                 g_free(startdir);
1876                 g_free(dirname);
1877                 return;
1878         }
1879
1880         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1881                 dirname[strlen(dirname)-1] = '\0';
1882
1883         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1884         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1885                 partinfo = procmime_mimeinfo_next(partinfo);
1886         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1887                 partinfo = procmime_mimeinfo_next(partinfo);
1888                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1889                         partinfo = procmime_mimeinfo_next(partinfo);
1890         }
1891
1892         while (partinfo != NULL) {
1893                 if (partinfo->type != MIMETYPE_MESSAGE &&
1894                     partinfo->type != MIMETYPE_MULTIPART &&
1895                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1896                      || get_real_part_name(partinfo) != NULL)) {
1897                         gchar *filename = mimeview_get_filename_for_part
1898                                 (partinfo, dirname, number++);
1899
1900                         mimeview_write_part(filename, partinfo);
1901                         g_free(filename);
1902                 }
1903                 partinfo = procmime_mimeinfo_next(partinfo);
1904         }
1905
1906         g_free(prefs_common.attach_save_dir);
1907         g_free(startdir);
1908         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1909                                         -1, NULL, NULL, NULL);
1910         g_free(dirname);
1911 }
1912
1913 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1914 {
1915         MimeInfo *partinfo = NULL;
1916         if (mimeview->spec_part) {
1917                 partinfo = mimeview->spec_part;
1918                 mimeview->spec_part = NULL;
1919         } else {
1920                 partinfo = (MimeInfo *) g_object_get_data
1921                          (G_OBJECT(mimeview->popupmenu),
1922                          "pop_partinfo");
1923                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1924                                   "pop_partinfo", NULL);
1925                 if (!partinfo) {
1926                         partinfo = mimeview_get_selected_part(mimeview);
1927                 }
1928         }
1929
1930         return partinfo;
1931 }
1932 /**
1933  * Menu callback: Save the selected attachment
1934  * \param mimeview Current display
1935  */
1936 void mimeview_save_as(MimeView *mimeview)
1937 {
1938         gchar *filename;
1939         gchar *filepath = NULL;
1940         gchar *filedir = NULL;
1941         MimeInfo *partinfo;
1942         gchar *partname = NULL;
1943
1944         if (!mimeview->opened) return;
1945         if (!mimeview->file) return;
1946
1947         partinfo = mimeview_get_part_to_use(mimeview);
1948
1949         cm_return_if_fail(partinfo != NULL);
1950
1951         if (get_part_name(partinfo) == NULL) {
1952                 return;
1953         }
1954         partname = g_strdup(get_part_name(partinfo));
1955
1956         if (!g_utf8_validate(partname, -1, NULL)) {
1957                 gchar *tmp = conv_filename_to_utf8(partname);
1958                 if (!tmp) {
1959                         tmp = conv_codeset_strdup(partname,
1960                                 conv_get_locale_charset_str(),
1961                                 CS_UTF_8);
1962                 }
1963                 if (tmp) {
1964                         g_free(partname);
1965                         partname = tmp;
1966                 }
1967         }
1968
1969         subst_for_filename(partname);
1970
1971         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1972                 filepath = g_strconcat(prefs_common.attach_save_dir,
1973                                        G_DIR_SEPARATOR_S, partname, NULL);
1974         else
1975                 filepath = g_strdup(partname);
1976
1977         g_free(partname);
1978
1979         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1980         filename = filesel_select_file_save(_("Save as"), filepath);
1981         if (!filename) {
1982                 g_free(filepath);
1983                 return;
1984         }
1985
1986         mimeview_write_part(filename, partinfo);
1987
1988         filedir = g_path_get_dirname(filename);
1989         if (filedir && strcmp(filedir, ".")) {
1990                 g_free(prefs_common.attach_save_dir);
1991                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
1992         }
1993
1994         g_free(filedir);
1995         g_free(filepath);
1996 }
1997
1998 void mimeview_display_as_text(MimeView *mimeview)
1999 {
2000         MimeInfo *partinfo;
2001
2002         if (!mimeview->opened) return;
2003
2004         partinfo = mimeview_get_part_to_use(mimeview);
2005         mimeview_select_mimepart_icon(mimeview, partinfo);
2006         cm_return_if_fail(partinfo != NULL);
2007         mimeview_show_message_part(mimeview, partinfo);
2008 }
2009
2010 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2011 {
2012         gchar *filename;
2013         gint err;
2014
2015         if (!mimeview->opened) return;
2016         if (!mimeview->file) return;
2017
2018         if (!partinfo)
2019                 partinfo = mimeview_get_part_to_use(mimeview);
2020
2021         cm_return_if_fail(partinfo != NULL);
2022
2023         filename = procmime_get_tmp_file_name(partinfo);
2024
2025         if ((err = procmime_get_part(filename, partinfo)) < 0)
2026                 alertpanel_error
2027                         (_("Couldn't save the part of multipart message: %s"),
2028                                 strerror(-err));
2029         else
2030                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2031
2032         g_free(filename);
2033 }
2034
2035 #ifndef G_OS_WIN32
2036 void mimeview_open_with(MimeView *mimeview)
2037 {
2038         MimeInfo *partinfo;
2039
2040         if (!mimeview) return;
2041         if (!mimeview->opened) return;
2042         if (!mimeview->file) return;
2043
2044         partinfo = mimeview_get_part_to_use(mimeview);
2045
2046         mimeview_open_part_with(mimeview, partinfo, FALSE);
2047 }
2048
2049 #ifdef MAEMO
2050 osso_context_t *get_osso_context(void);
2051 #endif
2052 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2053 {
2054         gchar *filename;
2055         gchar *cmd;
2056         gchar *mime_command = NULL;
2057         gchar *content_type = NULL;
2058         gint err;
2059 #ifdef MAEMO
2060         DBusConnection *dbusconn;
2061         gchar *uri;
2062         int r = 0;
2063 #endif
2064         cm_return_if_fail(partinfo != NULL);
2065
2066         filename = procmime_get_tmp_file_name(partinfo);
2067
2068         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2069                 alertpanel_error
2070                         (_("Couldn't save the part of multipart message: %s"),
2071                                 strerror(-err));
2072                 g_free(filename);
2073                 return;
2074         }
2075
2076         if (!prefs_common.mime_open_cmd_history)
2077                 prefs_common.mime_open_cmd_history =
2078                         add_history(NULL, prefs_common.mime_open_cmd);
2079
2080         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2081             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2082                 /* guess content-type from filename */
2083                 content_type = procmime_get_mime_type(filename);
2084         }
2085         if (content_type == NULL) {
2086                 content_type = procmime_get_content_type_str(partinfo->type,
2087                         partinfo->subtype);
2088         }
2089
2090 #ifdef MAEMO
2091         if (content_type != NULL) {
2092                 uri = g_filename_to_uri(filename, NULL, NULL);
2093                 dbusconn = osso_get_dbus_connection (get_osso_context());
2094 #ifdef CHINOOK
2095                 r = hildon_mime_open_file_with_mime_type (dbusconn, uri, content_type);
2096 #else
2097                 r = osso_mime_open_file_with_mime_type (dbusconn, uri, content_type);
2098 #endif
2099                 g_free(uri);
2100         }
2101         if (r != 1) {
2102                 alertpanel_error(_("No registered viewer for this file type."));
2103         }
2104         goto out;
2105 #endif
2106
2107         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2108         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2109                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2110                 g_free(content_type);
2111                 content_type = NULL;
2112         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2113         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2114                 mime_command = mailcap_get_command_for_type(content_type, filename);
2115         } else {
2116                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2117                 g_free(content_type);
2118                 content_type = NULL;
2119         }
2120         if (mime_command == NULL) {
2121                 /* try with extension this time */
2122                 g_free(content_type);
2123                 content_type = procmime_get_mime_type(filename);
2124                 mime_command = mailcap_get_command_for_type(content_type, filename);
2125         }
2126
2127         if (mime_command == NULL)
2128                 automatic = FALSE;
2129
2130         if (!automatic) {
2131                 gboolean remember = FALSE;
2132                 if (content_type != NULL)
2133                         cmd = input_dialog_combo_remember
2134                                 (_("Open with"),
2135                                  _("Enter the command-line to open file:\n"
2136                                    "('%s' will be replaced with file name)"),
2137                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2138                                  prefs_common.mime_open_cmd_history, &remember);
2139                 else
2140                         cmd = input_dialog_combo
2141                                 (_("Open with"),
2142                                  _("Enter the command-line to open file:\n"
2143                                    "('%s' will be replaced with file name)"),
2144                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2145                                  prefs_common.mime_open_cmd_history);
2146                 if (cmd && remember) {
2147                         mailcap_update_default(content_type, cmd);
2148                 }
2149                 g_free(mime_command);
2150         } else {
2151                 cmd = mime_command;
2152         }
2153         if (cmd) {
2154                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2155                 g_free(prefs_common.mime_open_cmd);
2156                 prefs_common.mime_open_cmd = cmd;
2157                 prefs_common.mime_open_cmd_history =
2158                         add_history(prefs_common.mime_open_cmd_history, cmd);
2159         }
2160 #ifdef MAEMO
2161 out:
2162 #endif
2163         g_free(content_type);
2164         g_free(filename);
2165 }
2166 #endif
2167
2168 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2169 {
2170         GList *attach_file = NULL;
2171         AttachInfo *ainfo = NULL;
2172         gchar *filename;
2173         gint err;
2174
2175         if (!mimeview->opened) return;
2176         if (!mimeview->file) return;
2177
2178         cm_return_if_fail(partinfo != NULL);
2179
2180         filename = procmime_get_tmp_file_name(partinfo);
2181
2182         if (!(err = procmime_get_part(filename, partinfo))) {
2183                 ainfo = g_new0(AttachInfo, 1);
2184                 ainfo->file = filename;
2185                 ainfo->name = g_strdup(get_part_name(partinfo));
2186                 ainfo->content_type = procmime_get_content_type_str(
2187                                         partinfo->type, partinfo->subtype);
2188                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2189                                         partinfo, "charset"));
2190                 attach_file = g_list_append(attach_file, ainfo);
2191
2192                 compose_new(NULL, NULL, attach_file);
2193
2194                 g_free(ainfo->name);
2195                 g_free(ainfo->content_type);
2196                 g_free(ainfo->charset);
2197                 g_free(ainfo);
2198                 g_list_free(attach_file);
2199         } else
2200                 alertpanel_error
2201                         (_("Couldn't save the part of multipart message: %s"),
2202                                 strerror(-err));
2203         g_free(filename);
2204 }
2205
2206 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2207                                const gchar *cmd, MimeView *mimeview)
2208 {
2209 #ifndef G_OS_WIN32
2210         gchar *p;
2211         gchar buf[BUFFSIZE];
2212         if (cmd == NULL)
2213                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2214         else {
2215                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2216                     !strchr(p + 2, '%')) {
2217                         g_snprintf(buf, sizeof(buf), cmd, filename);
2218                         if (!prefs_common.save_parts_readwrite)
2219                                 g_chmod(filename, S_IRUSR);
2220                         else
2221                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2222                 } else {
2223                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2224                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2225                 }
2226                 if (execute_command_line(buf, TRUE) != 0) {
2227                         if (!prefs_common.save_parts_readwrite)
2228                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2229                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2230                 }
2231         }
2232 #else
2233         SHFILEINFO file_info;
2234         if ((SHGetFileInfo(filename, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2235                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2236                                       _("This attachment is an executable file. Executing "
2237                                         "untrusted binaries is dangerous and could probably "
2238                                         "lead to compromission of your computer.\n\n"
2239                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2240                                         _("Run binary"),
2241                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2242                 if (val == G_ALERTALTERNATE) {
2243                         debug_print("executing binary\n");
2244                         ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2245                 }
2246         } else
2247                 ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2248
2249 #endif
2250 }
2251
2252 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2253 {
2254         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2255 }
2256
2257 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2258 {
2259         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2260 }
2261
2262 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2263 {
2264         GSList *mimeview_list, *viewer_list;
2265
2266         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2267                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2268
2269                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2270                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2271                         mimeview->mimeviewer = NULL;
2272                 }
2273
2274                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2275                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2276
2277                         mimeviewer->destroy_viewer(mimeviewer);
2278                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2279                 }
2280         }
2281
2282         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2283 }
2284
2285 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2286 {
2287         gint      num;
2288         MimeInfo *partinfo;
2289
2290         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2291         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2292
2293         if (event->button == 1) {
2294                 icon_selected(mimeview, num, partinfo);
2295                 gtk_widget_grab_focus(button);
2296                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2297         }
2298         part_button_pressed(mimeview, event, partinfo);
2299
2300         return FALSE;
2301 }
2302
2303 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2304 {
2305         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2306         GtkTreeIter iter;
2307         GtkTreePath *path;
2308         MimeInfo *curr = NULL;
2309
2310         gtk_tree_model_get_iter_first(model, &iter);
2311         path = gtk_tree_model_get_path(model, &iter);
2312
2313         do {
2314                 gtk_tree_model_get_iter(model, &iter, path);
2315                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2316                 if (curr == partinfo) {
2317                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2318                                                 GTK_TREE_VIEW(mimeview->ctree));
2319                         gtk_tree_selection_select_iter(sel, &iter);
2320                         gtk_tree_path_free(path);
2321                         return;
2322                 }
2323         } while (mimeview_tree_next(model, path));
2324
2325         gtk_tree_path_free(path);
2326 }
2327
2328 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2329 {
2330         icon_list_toggle_by_mime_info(mimeview, partinfo);
2331         icon_selected(mimeview, -1, partinfo);
2332 }
2333
2334 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2335                              MimeView *mimeview)
2336 {
2337         SummaryView  *summaryview;
2338
2339         if (!event) return FALSE;
2340
2341         switch (event->keyval) {
2342         case GDK_KEY_space:
2343                 if (mimeview_scroll_page(mimeview, FALSE))
2344                         return TRUE;
2345
2346                 mimeview_select_next_part(mimeview);
2347                 return TRUE;
2348
2349                 break;
2350         case GDK_KEY_BackSpace:
2351                 mimeview_scroll_page(mimeview, TRUE);
2352                 return TRUE;
2353         case GDK_KEY_Return:
2354         case GDK_KEY_KP_Enter:
2355                 mimeview_scroll_one_line(mimeview,
2356                                          (event->state & GDK_MOD1_MASK) != 0);
2357                 return TRUE;
2358         case GDK_KEY_y:
2359                 BREAK_ON_MODIFIER_KEY();
2360                 mimeview_save_as(mimeview);
2361                 return TRUE;
2362         case GDK_KEY_t:
2363                 BREAK_ON_MODIFIER_KEY();
2364                 mimeview_display_as_text(mimeview);
2365                 return TRUE;
2366         case GDK_KEY_l:
2367                 BREAK_ON_MODIFIER_KEY();
2368                 mimeview_launch(mimeview, NULL);
2369                 return TRUE;
2370 #ifndef G_OS_WIN32
2371         case GDK_KEY_o:
2372                 BREAK_ON_MODIFIER_KEY();
2373                 mimeview_open_with(mimeview);
2374                 return TRUE;
2375 #endif
2376         case GDK_KEY_c:
2377                 BREAK_ON_MODIFIER_KEY();
2378                 mimeview_check_signature(mimeview);
2379                 return TRUE;
2380         case GDK_KEY_a:
2381                 BREAK_ON_MODIFIER_KEY();
2382                 mimeview_select_next_part(mimeview);
2383                 return TRUE;
2384         default:
2385                 break;
2386         }
2387
2388         if (!mimeview->messageview->mainwin) return FALSE;
2389         summaryview = mimeview->messageview->mainwin->summaryview;
2390         return summary_pass_key_press_event(summaryview, event);
2391 }
2392
2393 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2394 {
2395         MimeView *mimeview = (MimeView *)data;
2396         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2397
2398         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2399                           "pop_partinfo", partinfo);
2400         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2401                        NULL, NULL, NULL, NULL,
2402                        0, gtk_get_current_event_time());
2403         return TRUE;
2404 }
2405
2406 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2407 {
2408         GtkWidget *pixmap = NULL;
2409         GtkWidget *vbox;
2410         GtkWidget *button;
2411         gchar *tip;
2412         gchar *tiptmp;
2413         const gchar *desc = NULL;
2414         gchar *sigshort = NULL;
2415         gchar *content_type;
2416         StockPixmap stockp;
2417         MimeInfo *partinfo;
2418         MimeInfo *siginfo = NULL;
2419         MimeInfo *encrypted = NULL;
2420 #ifdef GENERIC_UMPC
2421         GtkRequisition r;
2422 #endif
2423 #if !(GTK_CHECK_VERSION(2,12,0))
2424         GtkTooltips *tips = mimeview->tooltips;
2425 #endif
2426
2427         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2428                 return;
2429
2430         vbox = mimeview->icon_vbox;
2431         mimeview->icon_count++;
2432         button = gtk_event_box_new();
2433
2434         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2435                          G_CALLBACK(mimeview_visi_notify), mimeview);
2436         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2437                          G_CALLBACK(mimeview_leave_notify), mimeview);
2438         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2439                          G_CALLBACK(mimeview_enter_notify), mimeview);
2440
2441         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2442         g_object_set_data(G_OBJECT(button), "icon_number",
2443                           GINT_TO_POINTER(mimeview->icon_count));
2444         g_object_set_data(G_OBJECT(button), "partinfo",
2445                           mimeinfo);
2446
2447         switch (mimeinfo->type) {
2448
2449         case MIMETYPE_TEXT:
2450                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2451                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2452                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2453                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2454                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2455                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2456                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2457                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2458                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2459                 else
2460                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2461                 break;
2462         case MIMETYPE_MESSAGE:
2463                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2464                 break;
2465         case MIMETYPE_APPLICATION:
2466                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2467                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2468                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2469                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2470                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2471                         stockp = STOCK_PIXMAP_MIME_PDF;
2472                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2473                         stockp = STOCK_PIXMAP_MIME_PS;
2474                 else
2475                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2476                 break;
2477         case MIMETYPE_IMAGE:
2478                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2479                 break;
2480         case MIMETYPE_AUDIO:
2481                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2482                 break;
2483         default:
2484                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2485                 break;
2486         }
2487
2488         partinfo = mimeinfo;
2489         while (partinfo != NULL) {
2490                 if (privacy_mimeinfo_is_signed(partinfo)) {
2491                         siginfo = partinfo;
2492                         break;
2493                 }
2494                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2495                         encrypted = partinfo;
2496                         break;
2497                 }
2498                 partinfo = procmime_mimeinfo_parent(partinfo);
2499         }
2500
2501         if (siginfo != NULL) {
2502                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2503                 case SIGNATURE_UNCHECKED:
2504                 case SIGNATURE_CHECK_FAILED:
2505                 case SIGNATURE_CHECK_TIMEOUT:
2506                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2507                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2508                         break;
2509                 case SIGNATURE_OK:
2510                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2511                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2512                         break;
2513                 case SIGNATURE_WARN:
2514                 case SIGNATURE_KEY_EXPIRED:
2515                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2516                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2517                         break;
2518                 case SIGNATURE_INVALID:
2519                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2520                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2521                         break;
2522                 }
2523                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2524         } else if (encrypted != NULL) {
2525                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2526                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2527         } else {
2528                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2529                                                           OVERLAY_NONE, 6, 3);
2530         }
2531         gtk_container_add(GTK_CONTAINER(button), pixmap);
2532         if (!desc) {
2533                 if (prefs_common.attach_desc)
2534                         desc = get_part_description(mimeinfo);
2535                 else
2536                         desc = get_part_name(mimeinfo);
2537         }
2538
2539         content_type = procmime_get_content_type_str(mimeinfo->type,
2540                                                      mimeinfo->subtype);
2541
2542         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2543                           "\n<b>", _("Size:"), " </b>",
2544                           to_human_readable((goffset)mimeinfo->length), NULL);
2545         g_free(content_type);
2546         if (desc && *desc) {
2547                 gchar *tmp = NULL;
2548                 if (!g_utf8_validate(desc, -1, NULL)) {
2549                         tmp = conv_filename_to_utf8(desc);
2550                 } else {
2551                         tmp = g_strdup(desc);
2552                 }
2553                 tiptmp = g_strconcat(tip, "\n<b>",
2554                                 prefs_common.attach_desc && mimeinfo->description ?
2555                                 _("Description:") : _("Filename:"),
2556                                 " </b>", tmp, NULL);
2557                 g_free(tip);
2558                 tip = tiptmp;
2559                 g_free(tmp);
2560         }
2561         if (sigshort && *sigshort) {
2562                 tiptmp = g_strjoin("\n", tip, g_markup_escape_text(sigshort, -1), NULL);
2563                 g_free(tip);
2564                 tip = tiptmp;
2565         }
2566         g_free(sigshort);
2567
2568         gtk_widget_set_tooltip_markup(button, tip);
2569         g_free(tip);
2570         gtk_widget_show_all(button);
2571         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2572                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2573 #ifndef MAEMO
2574         g_signal_connect(G_OBJECT(button), "popup-menu",
2575                          G_CALLBACK(icon_popup_menu), mimeview);
2576 #else
2577         gtk_widget_tap_and_hold_setup(GTK_WIDGET(button), NULL, NULL,
2578                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
2579         g_signal_connect(G_OBJECT(button), "tap-and-hold",
2580                          G_CALLBACK(icon_popup_menu), mimeview);
2581 #endif
2582         g_signal_connect(G_OBJECT(button), "button_release_event",
2583                          G_CALLBACK(icon_clicked_cb), mimeview);
2584         g_signal_connect(G_OBJECT(button), "key_press_event",
2585                          G_CALLBACK(icon_key_pressed), mimeview);
2586         g_signal_connect(G_OBJECT(button), "drag_data_get",
2587                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2588         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2589 #ifdef GENERIC_UMPC
2590         gtk_widget_size_request(pixmap, &r);
2591         gtk_widget_set_size_request(button, -1, r.height + 4);
2592 #endif
2593
2594 }
2595
2596 static void icon_list_clear (MimeView *mimeview)
2597 {
2598         GList     *child, *orig;
2599         GtkAdjustment *adj;
2600
2601         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2602         for (child = orig; child != NULL; child = g_list_next(child)) {
2603                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2604                                        GTK_WIDGET(child->data));
2605         }
2606         g_list_free(orig);
2607         mimeview->icon_count = 0;
2608         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2609         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2610         gtk_adjustment_changed(adj);
2611 }
2612
2613 /*!
2614  *\brief        Used to 'click' the next or previous icon.
2615  *
2616  *\return       true if the icon 'number' exists and was selected.
2617  */
2618 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2619                                          GtkAllocation *size, MimeView *mimeview)
2620 {
2621         GtkAllocation vbox_size;
2622         GtkAllocation layout_size;
2623         GtkAdjustment *adj;
2624         guint width;
2625         guint height;
2626
2627         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2628
2629         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2630         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2631
2632         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2633         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2634                             width,
2635                             MAX(vbox_size.height, layout_size.height));
2636         gtk_adjustment_set_step_increment(adj, 10);
2637 }
2638
2639 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2640 {
2641         GtkRequisition size;
2642         GtkRequisition requisition;
2643
2644         cm_return_if_fail(mimeinfo != NULL);
2645
2646         while (mimeinfo != NULL) {
2647                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2648                         icon_list_append_icon(mimeview, mimeinfo);
2649                 if (mimeinfo->node->children != NULL)
2650                         icon_list_create(mimeview,
2651                                 (MimeInfo *) mimeinfo->node->children->data);
2652                 mimeinfo = mimeinfo->node->next != NULL
2653                          ? (MimeInfo *) mimeinfo->node->next->data
2654                          : NULL;
2655         }
2656         gtk_widget_size_request(mimeview->icon_vbox, &size);
2657         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2658         if (size.width > requisition.width) {
2659                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2660                                             size.width, -1);
2661         }
2662 }
2663
2664 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2665                                            MimeInfo     *mimeinfo)
2666 {
2667         GList *child;
2668
2669         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2670         for (; child != NULL; child = g_list_next(child)) {
2671                 if (!GTK_IS_EVENT_BOX(child->data))
2672                         continue;
2673                 if(g_object_get_data(G_OBJECT(child->data),
2674                                       "partinfo") == (gpointer)mimeinfo) {
2675                         gboolean *highlight = NULL;
2676                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2677                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2678                         *highlight = TRUE;
2679                         gtk_widget_queue_draw(icon);
2680                 } else {
2681                         gint *highlight = NULL;
2682                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2683                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2684                         *highlight = FALSE;
2685                         gtk_widget_queue_draw(icon);
2686                 }
2687         }
2688 }
2689
2690 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2691                                     MimeView *mimeview)
2692 {
2693         prefs_common.mimeview_tree_height = allocation->height;
2694 }
2695
2696 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2697                                     MimeView *mimeview)
2698 {
2699         g_object_ref(button);
2700
2701         mimeview_leave_notify(button, NULL, NULL);
2702
2703         mimeview->ctree_mode = !mimeview->ctree_mode;
2704         if (mimeview->ctree_mode) {
2705                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2706                                         GTK_SHADOW_NONE);
2707                 gtk_widget_hide(mimeview->icon_mainbox);
2708                 gtk_widget_show(mimeview->ctree_mainbox);
2709                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2710                                         prefs_common.mimeview_tree_height);
2711
2712                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2713                                         button);
2714                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2715                                    button, FALSE, FALSE, 0);
2716         } else {
2717                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2718                               GTK_SHADOW_NONE);
2719                 gtk_widget_hide(mimeview->ctree_mainbox);
2720                 gtk_widget_show(mimeview->icon_mainbox);
2721                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2722
2723                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2724                                         button);
2725                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2726                                    button, FALSE, FALSE, 0);
2727                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2728                 if (mimeview->opened)
2729                         icon_list_toggle_by_mime_info(mimeview,
2730                                         mimeview_get_node_part(mimeview, mimeview->opened));
2731                 summary_grab_focus(mimeview->mainwin->summaryview);
2732         }
2733         g_object_unref(button);
2734         return TRUE;
2735 }
2736
2737 void mimeview_update (MimeView *mimeview) {
2738         if (mimeview && mimeview->mimeinfo) {
2739                 icon_list_clear(mimeview);
2740                 icon_list_create(mimeview, mimeview->mimeinfo);
2741         }
2742 }
2743
2744 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2745 {
2746         MessageView *msgview = NULL;
2747         MainWindow *mainwin = NULL;
2748
2749         if (!cmd)
2750                 return;
2751
2752         msgview = mimeview->messageview;
2753         if (!msgview)
2754                 return;
2755
2756         mainwin = msgview->mainwin;
2757         if (!mainwin)
2758                 return;
2759
2760         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2761                           "pop_partinfo", NULL);
2762
2763         if (!strcmp(cmd, "sc://view_log"))
2764                 log_window_show(mainwin->logwin);
2765         else if (!strcmp(cmd, "sc://save_as"))
2766                 mimeview_save_as(mimeview);
2767         else if (!strcmp(cmd, "sc://display_as_text"))
2768                 mimeview_display_as_text(mimeview);
2769 #ifndef G_OS_WIN32
2770         else if (!strcmp(cmd, "sc://open_with"))
2771                 mimeview_open_with(mimeview);
2772 #endif
2773         else if (!strcmp(cmd, "sc://open"))
2774                 mimeview_launch(mimeview, NULL);
2775         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2776                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2777                 icon_selected(mimeview, -1, (MimeInfo *)data);
2778         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2779                 mimeview_launch(mimeview, (MimeInfo *)data);
2780         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2781                 mimeview->spec_part = (MimeInfo *)data;
2782                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2783         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2784                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2785                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2786                 gtk_toggle_button_set_active(
2787                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2788                                 TRUE);
2789                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2790                                 ADVANCED_SEARCH_EXTENDED, buf);
2791                 g_free(buf);
2792         }
2793 }
2794
2795 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2796 {
2797         if (mimeview->type == MIMEVIEW_TEXT)
2798                 return textview_scroll_page(mimeview->textview, up);
2799         else if (mimeview->mimeviewer) {
2800                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2801                 if (mimeviewer->scroll_page)
2802                         return mimeviewer->scroll_page(mimeviewer, up);
2803         }
2804         return TRUE;
2805 }
2806
2807 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2808 {
2809         if (mimeview->type == MIMEVIEW_TEXT)
2810                 textview_scroll_one_line(mimeview->textview, up);
2811         else if (mimeview->mimeviewer) {
2812                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2813                 if (mimeviewer->scroll_one_line)
2814                         mimeviewer->scroll_one_line(mimeviewer, up);
2815         }
2816 }