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                 button_text = _("Check again");
1054                 func = check_signature_cb;
1055                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1056         case SIGNATURE_CHECK_TIMEOUT:
1057                 button_text = _("Check again");
1058                 func = check_signature_cb;
1059                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1060         default:
1061                 break;
1062         }
1063         if (mycode == SIGNATURE_UNCHECKED) {
1064                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1065                 text = g_strdup_printf("%s %s",
1066                         tmp, _("Click the icon or hit 'C' to check it."));
1067                 g_free(tmp);
1068         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1069                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1070         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1071                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
1072         }
1073
1074         noticeview_set_text(mimeview->siginfoview, text);
1075         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1076
1077         g_free(text);
1078         noticeview_set_button_text(mimeview->siginfoview, NULL);
1079         noticeview_set_button_press_callback(
1080                 mimeview->siginfoview,
1081                 G_CALLBACK(func),
1082                 (gpointer) mimeview);
1083         noticeview_set_icon(mimeview->siginfoview, icon);
1084         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1085 }
1086
1087 #ifdef USE_PTHREAD
1088
1089 /* reset all thread stuff, and do the cleanups we've been left to do */
1090 static void mimeview_check_data_reset(MimeView *mimeview)
1091 {
1092         gboolean must_free;
1093         gboolean must_destroy;
1094
1095         if (!mimeview->check_data)
1096                 return;
1097
1098         must_free = mimeview->check_data->free_after_use;
1099         must_destroy = mimeview->check_data->destroy_mimeview;
1100
1101         if (mimeview->check_data->cancel_th_init) {
1102                 debug_print("killing canceller thread\n");
1103                 mimeview->check_data->cancel_th_init = FALSE;
1104                 pthread_cancel(mimeview->check_data->cancel_th);
1105         }
1106
1107         g_free(mimeview->check_data);
1108         mimeview->check_data = NULL;
1109
1110         if (must_free) {
1111                 debug_print("freeing deferred mimeinfo\n");
1112                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
1113         }
1114         if (must_destroy) {
1115                 debug_print("freeing deferred mimeview\n");
1116                 mimeview_free_mimeinfo(mimeview);
1117                 gtk_tree_path_free(mimeview->opened);
1118                 g_free(mimeview->file);
1119                 g_free(mimeview);
1120                 mimeviews = g_slist_remove(mimeviews, mimeview);
1121         }
1122
1123 }
1124
1125 /* GUI update once the checker thread is done or killed */
1126 static gboolean mimeview_check_sig_thread_cb(void *data)
1127 {
1128         MimeView *mimeview = (MimeView *) data;
1129         MimeInfo *mimeinfo = mimeview->siginfo;
1130
1131         debug_print("mimeview_check_sig_thread_cb\n");
1132
1133         if (mimeinfo == NULL) {
1134                 /* message changed !? */
1135                 g_warning("no more siginfo!\n");
1136                 goto end;
1137         }
1138
1139         if (!mimeview->check_data) {
1140                 g_warning("nothing to check\n");
1141                 return FALSE;
1142         }
1143
1144         if (mimeview->check_data->siginfo != mimeinfo) {
1145                 /* message changed !? */
1146                 g_warning("different siginfo!\n");
1147                 goto end;
1148         }
1149
1150         if (mimeview->check_data->destroy_mimeview ||
1151             mimeview->check_data->free_after_use) {
1152                 debug_print("not bothering, we're changing message\n");
1153                 goto end;
1154         }
1155
1156         /* update status */
1157         if (mimeview->check_data->timeout)
1158                 update_signature_noticeview(mimeview, mimeview->siginfo,
1159                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1160         else
1161                 update_signature_noticeview(mimeview, mimeview->siginfo,
1162                         FALSE, 0);
1163         icon_list_clear(mimeview);
1164         icon_list_create(mimeview, mimeview->mimeinfo);
1165
1166 end:
1167         mimeview_check_data_reset(mimeview);
1168         return FALSE;
1169 }
1170
1171 /* sig checker thread */
1172 static void *mimeview_check_sig_worker_thread(void *data)
1173 {
1174         MimeView *mimeview = (MimeView *)data;
1175         MimeInfo *mimeinfo = mimeview->siginfo;
1176
1177         debug_print("checking...\n");
1178
1179         if (!mimeview->check_data)
1180                 return NULL;
1181
1182         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1183                 privacy_mimeinfo_check_signature(mimeinfo);
1184                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1185                         mimeview->check_data->cancel_th_init = FALSE;
1186                         pthread_cancel(mimeview->check_data->cancel_th);
1187                 }
1188         } else {
1189                 /* that's strange! we changed message without
1190                  * getting killed. */
1191                 g_warning("different siginfo!\n");
1192                 mimeview_check_data_reset(mimeview);
1193                 return NULL;
1194         }
1195
1196         /* use g_timeout so that GUI updates is done from the
1197          * correct thread */
1198         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1199
1200         return NULL;
1201 }
1202
1203 /* killer thread - acts when the checker didn't work fast
1204  * enough. */
1205 static void *mimeview_check_sig_cancel_thread(void *data)
1206 {
1207         MimeView *mimeview = (MimeView *)data;
1208
1209         if (!mimeview->check_data)
1210                 return NULL; /* nothing to kill ! */
1211
1212         /* wait for a few seconds... */
1213         debug_print("waiting a while\n");
1214
1215         g_usleep(5 * 1000 * 1000);
1216
1217         if (!mimeview->check_data)
1218                 return NULL; /* nothing to kill, it's done in time :) */
1219
1220         /* too late, go away checker thread */
1221         debug_print("killing checker thread\n");
1222         if (mimeview->check_data->th_init) {
1223                 mimeview->check_data->th_init = FALSE;
1224                 pthread_cancel(mimeview->check_data->th);
1225         }
1226
1227         /* tell upstream it was a timeout */
1228         mimeview->check_data->timeout = TRUE;
1229         /* use g_timeout so that GUI updates is done from the
1230          * correct thread */
1231         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1232
1233         return NULL;
1234 }
1235
1236 /* get rid of the checker thread right now - used when changing the
1237  * displayed message for example. */
1238 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1239 {
1240         if (!mimeview->check_data)
1241                 return;
1242         debug_print("killing checker thread NOW\n");
1243         if (mimeview->check_data->th_init) {
1244                 mimeview->check_data->th_init = FALSE;
1245                 pthread_cancel(mimeview->check_data->th);
1246         }
1247
1248         /* tell upstream it was a timeout */
1249         mimeview->check_data->timeout = TRUE;
1250         mimeview_check_sig_thread_cb(mimeview);
1251         return;
1252 }
1253
1254 /* creates a thread to check the signature, and a second one
1255  * to kill the first one after a timeout */
1256 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1257 {
1258         pthread_t th, th2;
1259         pthread_attr_t detach, detach2;
1260
1261         if (mimeview->check_data) {
1262                 g_warning("already checking it");
1263                 return;
1264         }
1265
1266         mimeview->check_data = g_new0(SigCheckData, 1);
1267         mimeview->check_data->siginfo = mimeview->siginfo;
1268         debug_print("creating thread\n");
1269
1270         /* init thread attributes and create the checker thread */
1271         if (pthread_attr_init(&detach) != 0 ||
1272             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1273             pthread_attr_init(&detach2) != 0 ||
1274             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1275             pthread_create(&th, &detach,
1276                         mimeview_check_sig_worker_thread,
1277                         mimeview) != 0) {
1278                 /* arh. We'll do it synchronously. */
1279                 g_warning("can't create thread");
1280                 g_free(mimeview->check_data);
1281                 mimeview->check_data = NULL;
1282                 return;
1283         } else {
1284                 mimeview->check_data->th = th;
1285                 mimeview->check_data->th_init = TRUE;
1286         }
1287
1288         /* create the killer thread */
1289         pthread_create(&th2, &detach2,
1290                         mimeview_check_sig_cancel_thread,
1291                         mimeview);
1292
1293         mimeview->check_data->cancel_th = th2;
1294         mimeview->check_data->cancel_th_init = TRUE;
1295 }
1296 #endif
1297
1298 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1299 {
1300         MimeView *mimeview = (MimeView *) user_data;
1301         MimeInfo *mimeinfo = mimeview->siginfo;
1302
1303         if (mimeinfo == NULL)
1304                 return;
1305 #ifdef USE_PTHREAD
1306         if (mimeview->check_data)
1307                 return;
1308 #endif
1309         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1310         GTK_EVENTS_FLUSH();
1311 #ifdef USE_PTHREAD
1312         /* let's do it non-blocking */
1313         mimeview_check_sig_in_thread(mimeview);
1314         if (!mimeview->check_data) /* let's check syncronously */
1315 #endif
1316         {
1317                 debug_print("checking without thread\n");
1318                 privacy_mimeinfo_check_signature(mimeinfo);
1319                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1320                 icon_list_clear(mimeview);
1321                 icon_list_create(mimeview, mimeview->mimeinfo);
1322         }
1323 }
1324
1325 void mimeview_check_signature(MimeView *mimeview)
1326 {
1327         check_signature_cb(NULL, mimeview);
1328 }
1329
1330 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1331 {
1332         MimeView *mimeview = (MimeView *) user_data;
1333         gtk_tree_path_free(mimeview->opened);
1334         mimeview->opened = NULL;
1335         mimeview_selected(gtk_tree_view_get_selection(
1336                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1337 }
1338
1339 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1340 {
1341         MimeView *mimeview = (MimeView *) user_data;
1342         gchar *siginfo;
1343
1344         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1345         textview_set_text(mimeview->textview, siginfo);
1346         g_free(siginfo);
1347         noticeview_set_button_text(mimeview->siginfoview, NULL);
1348         noticeview_set_button_press_callback(
1349                 mimeview->siginfoview,
1350                 G_CALLBACK(redisplay_email),
1351                 (gpointer) mimeview);
1352         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1353 }
1354
1355 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1356 {
1357         MimeInfo *siginfo;
1358         MimeInfo *first_text;
1359
1360         cm_return_if_fail(mimeview != NULL);
1361         cm_return_if_fail(selected != NULL);
1362
1363         if (selected->type == MIMETYPE_MESSAGE
1364         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1365                 /* if the first text part is signed, check that */
1366                 first_text = selected;
1367                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1368                         first_text = procmime_mimeinfo_next(first_text);
1369                 }
1370                 if (first_text) {
1371                         update_signature_info(mimeview, first_text);
1372                         return;
1373                 }
1374         }
1375
1376         siginfo = selected;
1377         while (siginfo != NULL) {
1378                 if (privacy_mimeinfo_is_signed(siginfo))
1379                         break;
1380                 siginfo = procmime_mimeinfo_parent(siginfo);
1381         }
1382         mimeview->siginfo = siginfo;
1383
1384         /* This shortcut boolean is there to correctly set the menu's
1385          * CheckSignature item sensitivity without killing performance
1386          * each time the menu sensitiveness is updated (a lot).
1387          */
1388         mimeview->signed_part = (siginfo == selected);
1389
1390         if (siginfo == NULL) {
1391                 noticeview_hide(mimeview->siginfoview);
1392                 return;
1393         }
1394
1395         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1396         noticeview_show(mimeview->siginfoview);
1397 }
1398
1399 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1400 {
1401         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1402         GtkTreeModel *model;
1403         GtkTreeIter iter;
1404         GtkTreePath *path;
1405         MimeInfo *partinfo;
1406
1407         selection = gtk_tree_view_get_selection(ctree);
1408         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1409                 return;
1410
1411         path = gtk_tree_model_get_path(model, &iter);
1412
1413         if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1414                 gtk_tree_path_free(path);
1415                 return;
1416         }
1417
1418         gtk_tree_path_free(mimeview->opened);
1419         mimeview->opened = path;
1420         mimeview->spec_part = NULL;
1421         gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1422
1423         partinfo = mimeview_get_node_part(mimeview, path);
1424         if (!partinfo) return;
1425
1426         /* ungrab the mouse event */
1427         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1428                 gtk_grab_remove(GTK_WIDGET(ctree));
1429                 if (gdk_pointer_is_grabbed())
1430                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1431         }
1432
1433         mimeview->textview->default_text = FALSE;
1434
1435         update_signature_info(mimeview, partinfo);
1436
1437         if (!mimeview_show_part(mimeview, partinfo)) {
1438                 switch (partinfo->type) {
1439                 case MIMETYPE_TEXT:
1440                 case MIMETYPE_MESSAGE:
1441                 case MIMETYPE_MULTIPART:
1442                         mimeview_show_message_part(mimeview, partinfo);
1443
1444                         break;
1445                 default:
1446                         mimeview->textview->default_text = TRUE;
1447                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1448                         textview_clear(mimeview->textview);
1449                         textview_show_mime_part(mimeview->textview, partinfo);
1450                         break;
1451                 }
1452         }
1453 }
1454
1455 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1456                                     MimeView *mimeview)
1457 {
1458         GtkTreeSelection *selection;
1459         GtkTreeIter iter;
1460
1461         if (!event) return FALSE;
1462
1463         if (event->button == 2 || event->button == 3) {
1464                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1465                 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1466                         return FALSE;
1467
1468                 gtk_tree_selection_select_iter(selection, &iter);
1469         }
1470         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1471
1472         return FALSE;
1473 }
1474
1475 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1476                                     MimeView *mimeview)
1477 {
1478         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1479         if (event->direction == GDK_SCROLL_UP) {
1480                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1481         } else {
1482                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1483         }
1484         gtk_vscrollbutton_scroll(scrollbutton);
1485         return TRUE;
1486 }
1487
1488 /* from gdkevents.c */
1489 #define DOUBLE_CLICK_TIME 250
1490
1491 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1492                                     MimeInfo *partinfo)
1493 {
1494         static MimeInfo *lastinfo;
1495         static guint32 lasttime;
1496
1497         if (event->button == 2 ||
1498             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1499                 /* call external program for image, audio or html */
1500                 mimeview_launch(mimeview, partinfo);
1501                 return TRUE;
1502         } else if (event->button == 3) {
1503                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1504                                  partinfo->type == MIMETYPE_IMAGE ||
1505                                  partinfo->type == MIMETYPE_MULTIPART))
1506                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1507                 else
1508                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1509 #ifndef G_OS_WIN32
1510                 if (partinfo &&
1511                     partinfo->type == MIMETYPE_APPLICATION &&
1512                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1513                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1514                 else
1515 #endif
1516                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1517
1518                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1519                                   "pop_partinfo", partinfo);
1520
1521                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1522                                NULL, NULL, NULL, NULL,
1523                                event->button, event->time);
1524                 return TRUE;
1525         }
1526
1527         lastinfo = partinfo;
1528         lasttime = event->time;
1529         return FALSE;
1530 }
1531
1532
1533 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1534 {
1535         return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1536 }
1537
1538 void mimeview_select_next_part(MimeView *mimeview)
1539 {
1540         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1541         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1542         GtkTreeSelection *selection;
1543         GtkTreeIter iter;
1544         GtkTreePath *path;
1545         MimeInfo *partinfo = NULL;
1546         gboolean has_next;
1547
1548         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1549         path = gtk_tree_model_get_path(model, &iter);
1550 skip:
1551         has_next = mimeview_tree_next(model, path);
1552         if (!has_next) {
1553                 has_next = gtk_tree_model_get_iter_first(model, &iter);
1554                 gtk_tree_path_free(path);
1555                 path = gtk_tree_model_get_path(model, &iter);
1556         }
1557
1558         if (has_next) {
1559                 partinfo = mimeview_get_node_part(mimeview, path);
1560                 if (partinfo->type == MIMETYPE_MULTIPART ||
1561                     (!prefs_common.show_inline_attachments && partinfo->id))
1562                         goto skip;
1563                 selection = gtk_tree_view_get_selection(ctree);
1564                 gtk_tree_selection_select_path(selection, path);
1565                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1566         }
1567
1568         gtk_tree_path_free(path);
1569 }
1570
1571 void mimeview_select_prev_part(MimeView *mimeview)
1572 {
1573         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1574         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1575         GtkTreeSelection *selection;
1576         GtkTreeIter iter;
1577         GtkTreePath *path;
1578         MimeInfo *partinfo = NULL;
1579         gboolean has_prev;
1580
1581         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1582         path = gtk_tree_model_get_path(model, &iter);
1583 skip:
1584         has_prev = mimeview_tree_prev(mimeview, path);
1585         if (!has_prev) {
1586                 while (mimeview_tree_next(model, path)) {}
1587                 has_prev = TRUE;
1588         }
1589
1590         if (has_prev) {
1591                 partinfo = mimeview_get_node_part(mimeview, path);
1592                 if (partinfo->type == MIMETYPE_MULTIPART ||
1593                     (!prefs_common.show_inline_attachments && partinfo->id))
1594                         goto skip;
1595                 selection = gtk_tree_view_get_selection(ctree);
1596                 gtk_tree_selection_select_path(selection, path);
1597                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1598         }
1599
1600         gtk_tree_path_free(path);
1601 }
1602
1603 #define BREAK_ON_MODIFIER_KEY() \
1604         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1605
1606 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1607                                  MimeView *mimeview)
1608 {
1609         SummaryView *summaryview;
1610
1611         if (!event) return FALSE;
1612         if (!mimeview->opened) return FALSE;
1613
1614         summaryview = mimeview->messageview->mainwin->summaryview;
1615
1616         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1617                 return FALSE;
1618
1619         switch (event->keyval) {
1620         case GDK_KEY_Home:
1621         case GDK_KEY_End:
1622                 textview_scroll_max(mimeview->textview,
1623                                     (event->keyval == GDK_KEY_Home));
1624                 return TRUE;
1625         case GDK_KEY_Page_Down:
1626         case GDK_KEY_space:
1627                 if (mimeview_scroll_page(mimeview,
1628                                          (event->state & GDK_SHIFT_MASK) != 0))
1629                         return TRUE;
1630
1631                 if (!(event->state & GDK_SHIFT_MASK))
1632                         mimeview_select_next_part(mimeview);
1633                 return TRUE;
1634         case GDK_KEY_Page_Up:
1635         case GDK_KEY_BackSpace:
1636                 mimeview_scroll_page(mimeview, TRUE);
1637                 return TRUE;
1638         case GDK_KEY_Return:
1639         case GDK_KEY_KP_Enter:
1640                 mimeview_scroll_one_line(mimeview,
1641                                          (event->state & GDK_MOD1_MASK) != 0);
1642                 return TRUE;
1643         case GDK_KEY_Up:
1644         case GDK_KEY_Down:
1645                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1646                 return TRUE;
1647         default:
1648                 break;
1649         }
1650
1651         if (mimeview->messageview->new_window) return FALSE;
1652
1653         return summary_pass_key_press_event(summaryview, event);
1654 }
1655
1656 static void mimeview_drag_data_get(GtkWidget        *widget,
1657                                    GdkDragContext   *drag_context,
1658                                    GtkSelectionData *selection_data,
1659                                    guint             info,
1660                                    guint             time,
1661                                    MimeView         *mimeview)
1662 {
1663         gchar *filename = NULL, *uriname, *tmp;
1664         MimeInfo *partinfo;
1665         gint err;
1666         gint count = 0;
1667
1668         if (!mimeview->opened) return;
1669         if (!mimeview->file) return;
1670
1671         partinfo = mimeview_get_selected_part(mimeview);
1672         if (!partinfo) return;
1673
1674         if (strlen(get_part_name(partinfo)) > 0) {
1675                 filename = g_path_get_basename(get_part_name(partinfo));
1676                 if (*filename == '\0') return;
1677         } else if (partinfo->type == MIMETYPE_MESSAGE
1678                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1679                 gchar *name = NULL;
1680                 GPtrArray *headers = NULL;
1681                 FILE *fp;
1682
1683                 fp = g_fopen(partinfo->data.filename, "rb");
1684                 fseek(fp, partinfo->offset, SEEK_SET);
1685                 headers = procheader_get_header_array_asis(fp);
1686                 if (headers) {
1687                         gint i;
1688                         for (i = 0; i < headers->len; i++) {
1689                                 Header *header = g_ptr_array_index(headers, i);
1690                                 if (procheader_headername_equal(header->name, "Subject")) {
1691                                         unfold_line(header->body);
1692                                         name = g_strconcat(header->body, ".txt", NULL);
1693                                         subst_for_filename(name);
1694                                 }
1695                         }
1696                         procheader_header_array_destroy(headers);
1697                 }
1698                 fclose(fp);
1699                 if (name)
1700                         filename = g_path_get_basename(name);
1701                 g_free(name);
1702         }
1703         if (filename == NULL)
1704                 filename = g_path_get_basename("Unnamed part");
1705
1706         if (!g_utf8_validate(filename, -1, NULL))
1707                 tmp = conv_codeset_strdup(filename,
1708                                 conv_get_locale_charset_str(),
1709                                 CS_UTF_8);
1710         else
1711                 tmp = g_strdup(filename);
1712
1713         if (tmp == NULL) {
1714                 g_warning("filename not in UTF-8");
1715                 tmp = g_strdup("Unnamed part");
1716         }
1717         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1718                                tmp, NULL);
1719
1720 check_new_file:
1721         if (is_file_exist(filename)) {
1722                 gchar *ext = NULL;
1723                 gchar *prefix = NULL;
1724                 gchar *new_name = NULL;
1725                 if (strrchr(tmp, '.')) {
1726                         prefix = g_strdup(tmp);
1727                         ext = g_strdup(strrchr(tmp, '.'));
1728                         *(strrchr(prefix, '.')) = '\0';
1729                 } else {
1730                         prefix = g_strdup(tmp);
1731                         ext = g_strdup("");
1732                 }
1733                 count++;
1734                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1735                 g_free(prefix);
1736                 g_free(ext);
1737                 g_free(filename);
1738                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1739                                new_name, NULL);
1740                 g_free(new_name);
1741                 goto check_new_file;
1742         }
1743
1744         g_free(tmp);
1745
1746         if ((err = procmime_get_part(filename, partinfo)) < 0)
1747                 alertpanel_error
1748                         (_("Couldn't save the part of multipart message: %s"),
1749                                 strerror(-err));
1750
1751         tmp = g_filename_to_uri(filename, NULL, NULL);
1752         uriname = g_strconcat(tmp, "\r\n", NULL);
1753         g_free(tmp);
1754
1755         gtk_selection_data_set(selection_data,
1756                    gtk_selection_data_get_target(selection_data), 8,
1757                                (guchar *)uriname, strlen(uriname));
1758
1759         g_free(uriname);
1760         g_free(filename);
1761 }
1762
1763 /**
1764  * Returns a filename (with path) for an attachment
1765  * \param partinfo The attachment to save
1766  * \param basedir The target directory
1767  * \param number Used for dummy filename if attachment is unnamed
1768  */
1769 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1770                                       const gchar *basedir,
1771                                       gint number)
1772 {
1773         gchar *fullname;
1774         gchar *filename;
1775
1776         filename = g_strdup(get_part_name(partinfo));
1777         if (!filename || !*filename) {
1778                 g_free(filename);
1779                 filename = g_strdup_printf("noname.%d", number);
1780         }
1781
1782         if (!g_utf8_validate(filename, -1, NULL)) {
1783                 gchar *tmp = conv_filename_to_utf8(filename);
1784                 g_free(filename);
1785                 filename = tmp;
1786         }
1787
1788         subst_for_filename(filename);
1789
1790         fullname = g_strconcat
1791                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1792                  ? &filename[1] : filename, NULL);
1793
1794         g_free(filename);
1795         filename = conv_filename_from_utf8(fullname);
1796         g_free(fullname);
1797         return filename;
1798 }
1799
1800 /**
1801  * Write a single attachment to file
1802  * \param filename Filename with path
1803  * \param partinfo Attachment to save
1804  */
1805 static gboolean mimeview_write_part(const gchar *filename,
1806                                     MimeInfo *partinfo)
1807 {
1808         gchar *dir;
1809         gint err;
1810
1811         dir= g_path_get_dirname(filename);
1812         if (!is_dir_exist(dir))
1813                 make_dir_hier(dir);
1814         g_free(dir);
1815
1816         if (is_file_exist(filename)) {
1817                 AlertValue aval;
1818                 gchar *res;
1819                 gchar *tmp;
1820
1821                 if (!g_utf8_validate(filename, -1, NULL))
1822                         tmp = conv_filename_to_utf8(filename);
1823                 else
1824                         tmp = g_strdup(filename);
1825
1826                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1827                                       tmp);
1828                 g_free(tmp);
1829                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1830                                   GTK_STOCK_OK, NULL);
1831                 g_free(res);
1832                 if (G_ALERTALTERNATE != aval) return FALSE;
1833         }
1834
1835         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1836                 alertpanel_error
1837                         (_("Couldn't save the part of multipart message: %s"),
1838                                 strerror(-err));
1839                 return FALSE;
1840         }
1841
1842         return TRUE;
1843 }
1844
1845 /**
1846  * Menu callback: Save all attached files
1847  * \param mimeview Current display
1848  */
1849 static void mimeview_save_all(MimeView *mimeview)
1850 {
1851         MimeInfo *partinfo;
1852         gchar *dirname;
1853         gchar *startdir = NULL;
1854         gint number = 1;
1855
1856         if (!mimeview->opened) return;
1857         if (!mimeview->file) return;
1858         if (!mimeview->mimeinfo) return;
1859
1860         partinfo = mimeview->mimeinfo;
1861         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1862                 startdir = g_strconcat(prefs_common.attach_save_dir,
1863                                        G_DIR_SEPARATOR_S, NULL);
1864         else
1865                 startdir = g_strdup(get_home_dir());
1866
1867         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1868         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1869         if (!dirname) {
1870                 g_free(startdir);
1871                 return;
1872         }
1873
1874         if (!is_dir_exist (dirname)) {
1875                 alertpanel_error(_("'%s' is not a directory."),
1876                                  dirname);
1877                 g_free(startdir);
1878                 g_free(dirname);
1879                 return;
1880         }
1881
1882         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1883                 dirname[strlen(dirname)-1] = '\0';
1884
1885         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1886         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1887                 partinfo = procmime_mimeinfo_next(partinfo);
1888         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1889                 partinfo = procmime_mimeinfo_next(partinfo);
1890                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1891                         partinfo = procmime_mimeinfo_next(partinfo);
1892         }
1893
1894         while (partinfo != NULL) {
1895                 if (partinfo->type != MIMETYPE_MESSAGE &&
1896                     partinfo->type != MIMETYPE_MULTIPART &&
1897                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1898                      || get_real_part_name(partinfo) != NULL)) {
1899                         gchar *filename = mimeview_get_filename_for_part
1900                                 (partinfo, dirname, number++);
1901
1902                         mimeview_write_part(filename, partinfo);
1903                         g_free(filename);
1904                 }
1905                 partinfo = procmime_mimeinfo_next(partinfo);
1906         }
1907
1908         g_free(prefs_common.attach_save_dir);
1909         g_free(startdir);
1910         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1911                                         -1, NULL, NULL, NULL);
1912         g_free(dirname);
1913 }
1914
1915 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1916 {
1917         MimeInfo *partinfo = NULL;
1918         if (mimeview->spec_part) {
1919                 partinfo = mimeview->spec_part;
1920                 mimeview->spec_part = NULL;
1921         } else {
1922                 partinfo = (MimeInfo *) g_object_get_data
1923                          (G_OBJECT(mimeview->popupmenu),
1924                          "pop_partinfo");
1925                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1926                                   "pop_partinfo", NULL);
1927                 if (!partinfo) {
1928                         partinfo = mimeview_get_selected_part(mimeview);
1929                 }
1930         }
1931
1932         return partinfo;
1933 }
1934 /**
1935  * Menu callback: Save the selected attachment
1936  * \param mimeview Current display
1937  */
1938 void mimeview_save_as(MimeView *mimeview)
1939 {
1940         gchar *filename;
1941         gchar *filepath = NULL;
1942         gchar *filedir = NULL;
1943         MimeInfo *partinfo;
1944         gchar *partname = NULL;
1945
1946         if (!mimeview->opened) return;
1947         if (!mimeview->file) return;
1948
1949         partinfo = mimeview_get_part_to_use(mimeview);
1950
1951         cm_return_if_fail(partinfo != NULL);
1952
1953         if (get_part_name(partinfo) == NULL) {
1954                 return;
1955         }
1956         partname = g_strdup(get_part_name(partinfo));
1957
1958         if (!g_utf8_validate(partname, -1, NULL)) {
1959                 gchar *tmp = conv_filename_to_utf8(partname);
1960                 if (!tmp) {
1961                         tmp = conv_codeset_strdup(partname,
1962                                 conv_get_locale_charset_str(),
1963                                 CS_UTF_8);
1964                 }
1965                 if (tmp) {
1966                         g_free(partname);
1967                         partname = tmp;
1968                 }
1969         }
1970
1971         subst_for_filename(partname);
1972
1973         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1974                 filepath = g_strconcat(prefs_common.attach_save_dir,
1975                                        G_DIR_SEPARATOR_S, partname, NULL);
1976         else
1977                 filepath = g_strdup(partname);
1978
1979         g_free(partname);
1980
1981         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1982         filename = filesel_select_file_save(_("Save as"), filepath);
1983         if (!filename) {
1984                 g_free(filepath);
1985                 return;
1986         }
1987
1988         mimeview_write_part(filename, partinfo);
1989
1990         filedir = g_path_get_dirname(filename);
1991         if (filedir && strcmp(filedir, ".")) {
1992                 g_free(prefs_common.attach_save_dir);
1993                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
1994         }
1995
1996         g_free(filedir);
1997         g_free(filepath);
1998 }
1999
2000 void mimeview_display_as_text(MimeView *mimeview)
2001 {
2002         MimeInfo *partinfo;
2003
2004         if (!mimeview->opened) return;
2005
2006         partinfo = mimeview_get_part_to_use(mimeview);
2007         mimeview_select_mimepart_icon(mimeview, partinfo);
2008         cm_return_if_fail(partinfo != NULL);
2009         mimeview_show_message_part(mimeview, partinfo);
2010 }
2011
2012 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2013 {
2014         gchar *filename;
2015         gint err;
2016
2017         if (!mimeview->opened) return;
2018         if (!mimeview->file) return;
2019
2020         if (!partinfo)
2021                 partinfo = mimeview_get_part_to_use(mimeview);
2022
2023         cm_return_if_fail(partinfo != NULL);
2024
2025         filename = procmime_get_tmp_file_name(partinfo);
2026
2027         if ((err = procmime_get_part(filename, partinfo)) < 0)
2028                 alertpanel_error
2029                         (_("Couldn't save the part of multipart message: %s"),
2030                                 strerror(-err));
2031         else
2032                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2033
2034         g_free(filename);
2035 }
2036
2037 #ifndef G_OS_WIN32
2038 void mimeview_open_with(MimeView *mimeview)
2039 {
2040         MimeInfo *partinfo;
2041
2042         if (!mimeview) return;
2043         if (!mimeview->opened) return;
2044         if (!mimeview->file) return;
2045
2046         partinfo = mimeview_get_part_to_use(mimeview);
2047
2048         mimeview_open_part_with(mimeview, partinfo, FALSE);
2049 }
2050
2051 #ifdef MAEMO
2052 osso_context_t *get_osso_context(void);
2053 #endif
2054 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2055 {
2056         gchar *filename;
2057         gchar *cmd;
2058         gchar *mime_command = NULL;
2059         gchar *content_type = NULL;
2060         gint err;
2061 #ifdef MAEMO
2062         DBusConnection *dbusconn;
2063         gchar *uri;
2064         int r = 0;
2065 #endif
2066         cm_return_if_fail(partinfo != NULL);
2067
2068         filename = procmime_get_tmp_file_name(partinfo);
2069
2070         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2071                 alertpanel_error
2072                         (_("Couldn't save the part of multipart message: %s"),
2073                                 strerror(-err));
2074                 g_free(filename);
2075                 return;
2076         }
2077
2078         if (!prefs_common.mime_open_cmd_history)
2079                 prefs_common.mime_open_cmd_history =
2080                         add_history(NULL, prefs_common.mime_open_cmd);
2081
2082         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2083             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2084                 /* guess content-type from filename */
2085                 content_type = procmime_get_mime_type(filename);
2086         }
2087         if (content_type == NULL) {
2088                 content_type = procmime_get_content_type_str(partinfo->type,
2089                         partinfo->subtype);
2090         }
2091
2092 #ifdef MAEMO
2093         if (content_type != NULL) {
2094                 uri = g_filename_to_uri(filename, NULL, NULL);
2095                 dbusconn = osso_get_dbus_connection (get_osso_context());
2096 #ifdef CHINOOK
2097                 r = hildon_mime_open_file_with_mime_type (dbusconn, uri, content_type);
2098 #else
2099                 r = osso_mime_open_file_with_mime_type (dbusconn, uri, content_type);
2100 #endif
2101                 g_free(uri);
2102         }
2103         if (r != 1) {
2104                 alertpanel_error(_("No registered viewer for this file type."));
2105         }
2106         goto out;
2107 #endif
2108
2109         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2110         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2111                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2112                 g_free(content_type);
2113                 content_type = NULL;
2114         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2115         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2116                 mime_command = mailcap_get_command_for_type(content_type, filename);
2117         } else {
2118                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2119                 g_free(content_type);
2120                 content_type = NULL;
2121         }
2122         if (mime_command == NULL) {
2123                 /* try with extension this time */
2124                 g_free(content_type);
2125                 content_type = procmime_get_mime_type(filename);
2126                 mime_command = mailcap_get_command_for_type(content_type, filename);
2127         }
2128
2129         if (mime_command == NULL)
2130                 automatic = FALSE;
2131
2132         if (!automatic) {
2133                 gboolean remember = FALSE;
2134                 if (content_type != NULL)
2135                         cmd = input_dialog_combo_remember
2136                                 (_("Open with"),
2137                                  _("Enter the command-line to open file:\n"
2138                                    "('%s' will be replaced with file name)"),
2139                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2140                                  prefs_common.mime_open_cmd_history, &remember);
2141                 else
2142                         cmd = input_dialog_combo
2143                                 (_("Open with"),
2144                                  _("Enter the command-line to open file:\n"
2145                                    "('%s' will be replaced with file name)"),
2146                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2147                                  prefs_common.mime_open_cmd_history);
2148                 if (cmd && remember) {
2149                         mailcap_update_default(content_type, cmd);
2150                 }
2151                 g_free(mime_command);
2152         } else {
2153                 cmd = mime_command;
2154         }
2155         if (cmd) {
2156                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2157                 g_free(prefs_common.mime_open_cmd);
2158                 prefs_common.mime_open_cmd = cmd;
2159                 prefs_common.mime_open_cmd_history =
2160                         add_history(prefs_common.mime_open_cmd_history, cmd);
2161         }
2162 #ifdef MAEMO
2163 out:
2164 #endif
2165         g_free(content_type);
2166         g_free(filename);
2167 }
2168 #endif
2169
2170 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2171 {
2172         GList *attach_file = NULL;
2173         AttachInfo *ainfo = NULL;
2174         gchar *filename;
2175         gint err;
2176
2177         if (!mimeview->opened) return;
2178         if (!mimeview->file) return;
2179
2180         cm_return_if_fail(partinfo != NULL);
2181
2182         filename = procmime_get_tmp_file_name(partinfo);
2183
2184         if (!(err = procmime_get_part(filename, partinfo))) {
2185                 ainfo = g_new0(AttachInfo, 1);
2186                 ainfo->file = filename;
2187                 ainfo->name = g_strdup(get_part_name(partinfo));
2188                 ainfo->content_type = procmime_get_content_type_str(
2189                                         partinfo->type, partinfo->subtype);
2190                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2191                                         partinfo, "charset"));
2192                 attach_file = g_list_append(attach_file, ainfo);
2193
2194                 compose_new(NULL, NULL, attach_file);
2195
2196                 g_free(ainfo->name);
2197                 g_free(ainfo->content_type);
2198                 g_free(ainfo->charset);
2199                 g_free(ainfo);
2200                 g_list_free(attach_file);
2201         } else
2202                 alertpanel_error
2203                         (_("Couldn't save the part of multipart message: %s"),
2204                                 strerror(-err));
2205         g_free(filename);
2206 }
2207
2208 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2209                                const gchar *cmd, MimeView *mimeview)
2210 {
2211 #ifndef G_OS_WIN32
2212         gchar *p;
2213         gchar buf[BUFFSIZE];
2214         if (cmd == NULL)
2215                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2216         else {
2217                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2218                     !strchr(p + 2, '%')) {
2219                         g_snprintf(buf, sizeof(buf), cmd, filename);
2220                         if (!prefs_common.save_parts_readwrite)
2221                                 g_chmod(filename, S_IRUSR);
2222                         else
2223                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2224                 } else {
2225                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2226                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2227                 }
2228                 if (execute_command_line(buf, TRUE) != 0) {
2229                         if (!prefs_common.save_parts_readwrite)
2230                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2231                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2232                 }
2233         }
2234 #else
2235         SHFILEINFO file_info;
2236         if ((SHGetFileInfo(filename, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2237                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2238                                       _("This attachment is an executable file. Executing "
2239                                         "untrusted binaries is dangerous and could probably "
2240                                         "lead to compromission of your computer.\n\n"
2241                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2242                                         _("Run binary"),
2243                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2244                 if (val == G_ALERTALTERNATE) {
2245                         debug_print("executing binary\n");
2246                         ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2247                 }
2248         } else
2249                 ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2250
2251 #endif
2252 }
2253
2254 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2255 {
2256         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2257 }
2258
2259 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2260 {
2261         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2262 }
2263
2264 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2265 {
2266         GSList *mimeview_list, *viewer_list;
2267
2268         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2269                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2270
2271                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2272                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2273                         mimeview->mimeviewer = NULL;
2274                 }
2275
2276                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2277                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2278
2279                         mimeviewer->destroy_viewer(mimeviewer);
2280                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2281                 }
2282         }
2283
2284         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2285 }
2286
2287 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2288 {
2289         gint      num;
2290         MimeInfo *partinfo;
2291
2292         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2293         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2294
2295         if (event->button == 1) {
2296                 icon_selected(mimeview, num, partinfo);
2297                 gtk_widget_grab_focus(button);
2298                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2299         }
2300         part_button_pressed(mimeview, event, partinfo);
2301
2302         return FALSE;
2303 }
2304
2305 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2306 {
2307         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2308         GtkTreeIter iter;
2309         GtkTreePath *path;
2310         MimeInfo *curr = NULL;
2311
2312         gtk_tree_model_get_iter_first(model, &iter);
2313         path = gtk_tree_model_get_path(model, &iter);
2314
2315         do {
2316                 gtk_tree_model_get_iter(model, &iter, path);
2317                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2318                 if (curr == partinfo) {
2319                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2320                                                 GTK_TREE_VIEW(mimeview->ctree));
2321                         gtk_tree_selection_select_iter(sel, &iter);
2322                         gtk_tree_path_free(path);
2323                         return;
2324                 }
2325         } while (mimeview_tree_next(model, path));
2326
2327         gtk_tree_path_free(path);
2328 }
2329
2330 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2331 {
2332         icon_list_toggle_by_mime_info(mimeview, partinfo);
2333         icon_selected(mimeview, -1, partinfo);
2334 }
2335
2336 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2337                              MimeView *mimeview)
2338 {
2339         SummaryView  *summaryview;
2340
2341         if (!event) return FALSE;
2342
2343         switch (event->keyval) {
2344         case GDK_KEY_space:
2345                 if (mimeview_scroll_page(mimeview, FALSE))
2346                         return TRUE;
2347
2348                 mimeview_select_next_part(mimeview);
2349                 return TRUE;
2350
2351                 break;
2352         case GDK_KEY_BackSpace:
2353                 mimeview_scroll_page(mimeview, TRUE);
2354                 return TRUE;
2355         case GDK_KEY_Return:
2356         case GDK_KEY_KP_Enter:
2357                 mimeview_scroll_one_line(mimeview,
2358                                          (event->state & GDK_MOD1_MASK) != 0);
2359                 return TRUE;
2360         case GDK_KEY_y:
2361                 BREAK_ON_MODIFIER_KEY();
2362                 mimeview_save_as(mimeview);
2363                 return TRUE;
2364         case GDK_KEY_t:
2365                 BREAK_ON_MODIFIER_KEY();
2366                 mimeview_display_as_text(mimeview);
2367                 return TRUE;
2368         case GDK_KEY_l:
2369                 BREAK_ON_MODIFIER_KEY();
2370                 mimeview_launch(mimeview, NULL);
2371                 return TRUE;
2372 #ifndef G_OS_WIN32
2373         case GDK_KEY_o:
2374                 BREAK_ON_MODIFIER_KEY();
2375                 mimeview_open_with(mimeview);
2376                 return TRUE;
2377 #endif
2378         case GDK_KEY_c:
2379                 BREAK_ON_MODIFIER_KEY();
2380                 mimeview_check_signature(mimeview);
2381                 return TRUE;
2382         case GDK_KEY_a:
2383                 BREAK_ON_MODIFIER_KEY();
2384                 mimeview_select_next_part(mimeview);
2385                 return TRUE;
2386         default:
2387                 break;
2388         }
2389
2390         if (!mimeview->messageview->mainwin) return FALSE;
2391         summaryview = mimeview->messageview->mainwin->summaryview;
2392         return summary_pass_key_press_event(summaryview, event);
2393 }
2394
2395 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2396 {
2397         MimeView *mimeview = (MimeView *)data;
2398         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2399
2400         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2401                           "pop_partinfo", partinfo);
2402         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2403                        NULL, NULL, NULL, NULL,
2404                        0, gtk_get_current_event_time());
2405         return TRUE;
2406 }
2407
2408 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2409 {
2410         GtkWidget *pixmap = NULL;
2411         GtkWidget *vbox;
2412         GtkWidget *button;
2413         gchar *tip;
2414         gchar *tiptmp;
2415         const gchar *desc = NULL;
2416         gchar *sigshort = NULL;
2417         gchar *content_type;
2418         StockPixmap stockp;
2419         MimeInfo *partinfo;
2420         MimeInfo *siginfo = NULL;
2421         MimeInfo *encrypted = NULL;
2422 #ifdef GENERIC_UMPC
2423         GtkRequisition r;
2424 #endif
2425 #if !(GTK_CHECK_VERSION(2,12,0))
2426         GtkTooltips *tips = mimeview->tooltips;
2427 #endif
2428
2429         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2430                 return;
2431
2432         vbox = mimeview->icon_vbox;
2433         mimeview->icon_count++;
2434         button = gtk_event_box_new();
2435
2436         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2437                          G_CALLBACK(mimeview_visi_notify), mimeview);
2438         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2439                          G_CALLBACK(mimeview_leave_notify), mimeview);
2440         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2441                          G_CALLBACK(mimeview_enter_notify), mimeview);
2442
2443         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2444         g_object_set_data(G_OBJECT(button), "icon_number",
2445                           GINT_TO_POINTER(mimeview->icon_count));
2446         g_object_set_data(G_OBJECT(button), "partinfo",
2447                           mimeinfo);
2448
2449         switch (mimeinfo->type) {
2450
2451         case MIMETYPE_TEXT:
2452                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2453                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2454                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2455                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2456                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2457                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2458                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2459                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2460                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2461                 else
2462                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2463                 break;
2464         case MIMETYPE_MESSAGE:
2465                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2466                 break;
2467         case MIMETYPE_APPLICATION:
2468                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2469                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2470                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2471                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2472                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2473                         stockp = STOCK_PIXMAP_MIME_PDF;
2474                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2475                         stockp = STOCK_PIXMAP_MIME_PS;
2476                 else
2477                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2478                 break;
2479         case MIMETYPE_IMAGE:
2480                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2481                 break;
2482         case MIMETYPE_AUDIO:
2483                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2484                 break;
2485         default:
2486                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2487                 break;
2488         }
2489
2490         partinfo = mimeinfo;
2491         while (partinfo != NULL) {
2492                 if (privacy_mimeinfo_is_signed(partinfo)) {
2493                         siginfo = partinfo;
2494                         break;
2495                 }
2496                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2497                         encrypted = partinfo;
2498                         break;
2499                 }
2500                 partinfo = procmime_mimeinfo_parent(partinfo);
2501         }
2502
2503         if (siginfo != NULL) {
2504                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2505                 case SIGNATURE_UNCHECKED:
2506                 case SIGNATURE_CHECK_FAILED:
2507                 case SIGNATURE_CHECK_TIMEOUT:
2508                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2509                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2510                         break;
2511                 case SIGNATURE_OK:
2512                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2513                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2514                         break;
2515                 case SIGNATURE_WARN:
2516                 case SIGNATURE_KEY_EXPIRED:
2517                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2518                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2519                         break;
2520                 case SIGNATURE_INVALID:
2521                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2522                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2523                         break;
2524                 }
2525                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2526         } else if (encrypted != NULL) {
2527                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2528                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2529         } else {
2530                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2531                                                           OVERLAY_NONE, 6, 3);
2532         }
2533         gtk_container_add(GTK_CONTAINER(button), pixmap);
2534         if (!desc) {
2535                 if (prefs_common.attach_desc)
2536                         desc = get_part_description(mimeinfo);
2537                 else
2538                         desc = get_part_name(mimeinfo);
2539         }
2540
2541         content_type = procmime_get_content_type_str(mimeinfo->type,
2542                                                      mimeinfo->subtype);
2543
2544         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2545                           "\n<b>", _("Size:"), " </b>",
2546                           to_human_readable((goffset)mimeinfo->length), NULL);
2547         g_free(content_type);
2548         if (desc && *desc) {
2549                 gchar *tmp = NULL;
2550                 if (!g_utf8_validate(desc, -1, NULL)) {
2551                         tmp = conv_filename_to_utf8(desc);
2552                 } else {
2553                         tmp = g_strdup(desc);
2554                 }
2555                 tiptmp = g_strconcat(tip, "\n<b>",
2556                                 prefs_common.attach_desc && mimeinfo->description ?
2557                                 _("Description:") : _("Filename:"),
2558                                 " </b>", tmp, NULL);
2559                 g_free(tip);
2560                 tip = tiptmp;
2561                 g_free(tmp);
2562         }
2563         if (sigshort && *sigshort) {
2564                 tiptmp = g_strjoin("\n", tip, g_markup_escape_text(sigshort, -1), NULL);
2565                 g_free(tip);
2566                 tip = tiptmp;
2567         }
2568         g_free(sigshort);
2569
2570         gtk_widget_set_tooltip_markup(button, tip);
2571         g_free(tip);
2572         gtk_widget_show_all(button);
2573         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2574                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2575 #ifndef MAEMO
2576         g_signal_connect(G_OBJECT(button), "popup-menu",
2577                          G_CALLBACK(icon_popup_menu), mimeview);
2578 #else
2579         gtk_widget_tap_and_hold_setup(GTK_WIDGET(button), NULL, NULL,
2580                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
2581         g_signal_connect(G_OBJECT(button), "tap-and-hold",
2582                          G_CALLBACK(icon_popup_menu), mimeview);
2583 #endif
2584         g_signal_connect(G_OBJECT(button), "button_release_event",
2585                          G_CALLBACK(icon_clicked_cb), mimeview);
2586         g_signal_connect(G_OBJECT(button), "key_press_event",
2587                          G_CALLBACK(icon_key_pressed), mimeview);
2588         g_signal_connect(G_OBJECT(button), "drag_data_get",
2589                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2590         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2591 #ifdef GENERIC_UMPC
2592         gtk_widget_size_request(pixmap, &r);
2593         gtk_widget_set_size_request(button, -1, r.height + 4);
2594 #endif
2595
2596 }
2597
2598 static void icon_list_clear (MimeView *mimeview)
2599 {
2600         GList     *child, *orig;
2601         GtkAdjustment *adj;
2602
2603         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2604         for (child = orig; child != NULL; child = g_list_next(child)) {
2605                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2606                                        GTK_WIDGET(child->data));
2607         }
2608         g_list_free(orig);
2609         mimeview->icon_count = 0;
2610         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2611         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2612         gtk_adjustment_changed(adj);
2613 }
2614
2615 /*!
2616  *\brief        Used to 'click' the next or previous icon.
2617  *
2618  *\return       true if the icon 'number' exists and was selected.
2619  */
2620 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2621                                          GtkAllocation *size, MimeView *mimeview)
2622 {
2623         GtkAllocation vbox_size;
2624         GtkAllocation layout_size;
2625         GtkAdjustment *adj;
2626         guint width;
2627         guint height;
2628
2629         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2630
2631         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2632         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2633
2634         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2635         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2636                             width,
2637                             MAX(vbox_size.height, layout_size.height));
2638         gtk_adjustment_set_step_increment(adj, 10);
2639 }
2640
2641 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2642 {
2643         GtkRequisition size;
2644         GtkRequisition requisition;
2645
2646         cm_return_if_fail(mimeinfo != NULL);
2647
2648         while (mimeinfo != NULL) {
2649                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2650                         icon_list_append_icon(mimeview, mimeinfo);
2651                 if (mimeinfo->node->children != NULL)
2652                         icon_list_create(mimeview,
2653                                 (MimeInfo *) mimeinfo->node->children->data);
2654                 mimeinfo = mimeinfo->node->next != NULL
2655                          ? (MimeInfo *) mimeinfo->node->next->data
2656                          : NULL;
2657         }
2658         gtk_widget_size_request(mimeview->icon_vbox, &size);
2659         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2660         if (size.width > requisition.width) {
2661                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2662                                             size.width, -1);
2663         }
2664 }
2665
2666 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2667                                            MimeInfo     *mimeinfo)
2668 {
2669         GList *child;
2670
2671         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2672         for (; child != NULL; child = g_list_next(child)) {
2673                 if (!GTK_IS_EVENT_BOX(child->data))
2674                         continue;
2675                 if(g_object_get_data(G_OBJECT(child->data),
2676                                       "partinfo") == (gpointer)mimeinfo) {
2677                         gboolean *highlight = NULL;
2678                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2679                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2680                         *highlight = TRUE;
2681                         gtk_widget_queue_draw(icon);
2682                 } else {
2683                         gint *highlight = NULL;
2684                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2685                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2686                         *highlight = FALSE;
2687                         gtk_widget_queue_draw(icon);
2688                 }
2689         }
2690 }
2691
2692 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2693                                     MimeView *mimeview)
2694 {
2695         prefs_common.mimeview_tree_height = allocation->height;
2696 }
2697
2698 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2699                                     MimeView *mimeview)
2700 {
2701         g_object_ref(button);
2702
2703         mimeview_leave_notify(button, NULL, NULL);
2704
2705         mimeview->ctree_mode = !mimeview->ctree_mode;
2706         if (mimeview->ctree_mode) {
2707                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2708                                         GTK_SHADOW_NONE);
2709                 gtk_widget_hide(mimeview->icon_mainbox);
2710                 gtk_widget_show(mimeview->ctree_mainbox);
2711                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2712                                         prefs_common.mimeview_tree_height);
2713
2714                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2715                                         button);
2716                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2717                                    button, FALSE, FALSE, 0);
2718         } else {
2719                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2720                               GTK_SHADOW_NONE);
2721                 gtk_widget_hide(mimeview->ctree_mainbox);
2722                 gtk_widget_show(mimeview->icon_mainbox);
2723                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2724
2725                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2726                                         button);
2727                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2728                                    button, FALSE, FALSE, 0);
2729                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2730                 if (mimeview->opened)
2731                         icon_list_toggle_by_mime_info(mimeview,
2732                                         mimeview_get_node_part(mimeview, mimeview->opened));
2733                 summary_grab_focus(mimeview->mainwin->summaryview);
2734         }
2735         g_object_unref(button);
2736         return TRUE;
2737 }
2738
2739 void mimeview_update (MimeView *mimeview) {
2740         if (mimeview && mimeview->mimeinfo) {
2741                 icon_list_clear(mimeview);
2742                 icon_list_create(mimeview, mimeview->mimeinfo);
2743         }
2744 }
2745
2746 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2747 {
2748         MessageView *msgview = NULL;
2749         MainWindow *mainwin = NULL;
2750
2751         if (!cmd)
2752                 return;
2753
2754         msgview = mimeview->messageview;
2755         if (!msgview)
2756                 return;
2757
2758         mainwin = msgview->mainwin;
2759         if (!mainwin)
2760                 return;
2761
2762         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2763                           "pop_partinfo", NULL);
2764
2765         if (!strcmp(cmd, "sc://view_log"))
2766                 log_window_show(mainwin->logwin);
2767         else if (!strcmp(cmd, "sc://save_as"))
2768                 mimeview_save_as(mimeview);
2769         else if (!strcmp(cmd, "sc://display_as_text"))
2770                 mimeview_display_as_text(mimeview);
2771 #ifndef G_OS_WIN32
2772         else if (!strcmp(cmd, "sc://open_with"))
2773                 mimeview_open_with(mimeview);
2774 #endif
2775         else if (!strcmp(cmd, "sc://open"))
2776                 mimeview_launch(mimeview, NULL);
2777         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2778                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2779                 icon_selected(mimeview, -1, (MimeInfo *)data);
2780         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2781                 mimeview_launch(mimeview, (MimeInfo *)data);
2782         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2783                 mimeview->spec_part = (MimeInfo *)data;
2784                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2785         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2786                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2787                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2788                 gtk_toggle_button_set_active(
2789                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2790                                 TRUE);
2791                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2792                                 QUICK_SEARCH_EXTENDED, buf);
2793                 g_free(buf);
2794         }
2795 }
2796
2797 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2798 {
2799         if (mimeview->type == MIMEVIEW_TEXT)
2800                 return textview_scroll_page(mimeview->textview, up);
2801         else if (mimeview->mimeviewer) {
2802                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2803                 if (mimeviewer->scroll_page)
2804                         return mimeviewer->scroll_page(mimeviewer, up);
2805         }
2806         return TRUE;
2807 }
2808
2809 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2810 {
2811         if (mimeview->type == MIMEVIEW_TEXT)
2812                 textview_scroll_one_line(mimeview->textview, up);
2813         else if (mimeview->mimeviewer) {
2814                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2815                 if (mimeviewer->scroll_one_line)
2816                         mimeviewer->scroll_one_line(mimeviewer, up);
2817         }
2818 }