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
  60 #ifdef MAEMO
  61 #include <libosso.h>
  62 #ifndef CHINOOK
  63 #include <osso-mime.h>
  64 #else
  65 #include <hildon-mime.h>
  66 #endif
  67 #endif
  68
  69 typedef enum
  70 {
  71         COL_MIMETYPE = 0,
  72         COL_SIZE     = 1,
  73         COL_NAME     = 2,
  74         COL_DATA     = 3,
  75 } MimeViewColumnPos;
  76
  77 #define N_MIMEVIEW_COLS 4
  78
  79 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  80                                                  MimeInfo       *mimeinfo,
  81                                                  GtkTreeIter    *parent);
  82 static void mimeview_show_message_part          (MimeView       *mimeview,
  83                                                  MimeInfo       *partinfo);
  84 static void mimeview_change_view_type           (MimeView       *mimeview,
  85                                                  MimeViewType    type);
  86 static gchar *mimeview_get_filename_for_part            (MimeInfo       *partinfo,
  87                                                  const gchar    *basedir,
  88                                                  gint            number);
  89 static gboolean mimeview_write_part             (const gchar    *filename,
  90                                                  MimeInfo       *partinfo);
  91
  92 static void mimeview_selected           (GtkTreeSelection       *selection,
  93                                          MimeView       *mimeview);
  94 static gint mimeview_button_pressed     (GtkWidget      *widget,
  95                                          GdkEventButton *event,
  96                                          MimeView       *mimeview);
  97 static gint mimeview_key_pressed        (GtkWidget      *widget,
  98                                          GdkEventKey    *event,
  99                                          MimeView       *mimeview);
 100
 101 static void mimeview_drag_data_get      (GtkWidget        *widget,
 102                                          GdkDragContext   *drag_context,
 103                                          GtkSelectionData *selection_data,
 104                                          guint             info,
 105                                          guint             time,
 106                                          MimeView         *mimeview);
 107
 108 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 109                                          GdkEventScroll *event,
 110                                          MimeView       *mimeview);
 111 static void mimeview_display_as_text    (MimeView       *mimeview);
 112 static void mimeview_save_as            (MimeView       *mimeview);
 113 static void mimeview_save_all           (MimeView       *mimeview);
 114 static void mimeview_launch             (MimeView       *mimeview,
 115                                          MimeInfo       *partinfo);
 116 #ifndef G_OS_WIN32
 117 static void mimeview_open_with          (MimeView       *mimeview);
 118 static void mimeview_open_part_with     (MimeView       *mimeview,
 119                                          MimeInfo       *partinfo,
 120                                          gboolean        automatic);
 121 #endif
 122 static void mimeview_send_to            (MimeView       *mimeview,
 123                                          MimeInfo       *partinfo);
 124 static void mimeview_select_next_part   (MimeView       *mimeview);
 125 static void mimeview_select_prev_part   (MimeView       *mimeview);
 126 static void mimeview_view_file          (const gchar    *filename,
 127                                          MimeInfo       *partinfo,
 128                                          const gchar    *cmd,
 129                                          MimeView       *mimeview);
 130 static gboolean icon_clicked_cb         (GtkWidget      *button,
 131                                          GdkEventButton *event,
 132                                          MimeView       *mimeview);
 133 static void icon_selected               (MimeView       *mimeview,
 134                                          gint            num,
 135                                          MimeInfo       *partinfo);
 136 static gint icon_key_pressed            (GtkWidget      *button,
 137                                          GdkEventKey    *event,
 138                                          MimeView       *mimeview);
 139 static void icon_list_append_icon       (MimeView       *mimeview,
 140                                          MimeInfo       *mimeinfo);
 141 static void icon_list_create            (MimeView       *mimeview,
 142                                          MimeInfo       *mimeinfo);
 143 static void icon_list_clear             (MimeView       *mimeview);
 144 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 145                                            MimeInfo     *mimeinfo);
 146 static void ctree_size_allocate_cb      (GtkWidget      *widget,
 147                                          GtkAllocation  *allocation,
 148                                          MimeView       *mimeview);
 149 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 150                                     MimeView *mimeview);
 151 static gboolean part_button_pressed     (MimeView       *mimeview,
 152                                          GdkEventButton *event,
 153                                          MimeInfo       *partinfo);
 154 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 155                                          GtkAllocation  *layout_size,
 156                                          MimeView       *mimeview);
 157 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 158 static const gchar *get_part_name(MimeInfo *partinfo);
 159 static const gchar *get_part_description(MimeInfo *partinfo);
 160
 161 static void mimeview_launch_cb(GtkAction *action, gpointer data)
 162 {
 163         MimeView *mimeview = (MimeView *)data;
 164         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 165 }
 166
 167 #ifndef G_OS_WIN32
 168 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
 169 {
 170         mimeview_open_with((MimeView *)data);
 171 }
 172 #endif
 173
 174 static void mimeview_send_to_cb(GtkAction *action, gpointer data)
 175 {
 176         MimeView *mimeview = (MimeView *)data;
 177         mimeview_send_to(mimeview, mimeview_get_part_to_use(mimeview));
 178 }
 179
 180 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
 181 {
 182         mimeview_display_as_text((MimeView *)data);
 183 }
 184
 185 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
 186 {
 187         mimeview_save_as((MimeView *)data);
 188 }
 189
 190 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
 191 {
 192         mimeview_save_all((MimeView *)data);
 193 }
 194
 195 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
 196 {
 197         mimeview_select_next_part((MimeView *)data);
 198 }
 199
 200 static void mimeview_select_prev_part_cb(GtkAction *action, gpointer data)
 201 {
 202         mimeview_select_prev_part((MimeView *)data);
 203 }
 204
 205 static GtkActionEntry mimeview_menu_actions[] = {
 206         { "MimeView", NULL, "MimeView" },
 207         { "MimeView/Open", NULL, N_("_Open (l)"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
 208 #if (!defined MAEMO && !defined G_OS_WIN32)
 209         { "MimeView/OpenWith", NULL, N_("Open _with (o)..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
 210 #endif
 211         { "MimeView/SendTo", NULL, N_("Send to..."), NULL, "Send to", G_CALLBACK(mimeview_send_to_cb) },
 212         { "MimeView/DisplayAsText", NULL, N_("_Display as text (t)"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
 213         { "MimeView/SaveAs", NULL, N_("_Save as (y)..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
 214         { "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
 215         { "MimeView/NextPart", NULL, N_("Next part (a)"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) },
 216         { "MimeView/PrevPart", NULL, N_("Previous part (z)"), NULL, "Previous part", G_CALLBACK(mimeview_select_prev_part_cb) }
 217 };
 218
 219 static GtkTargetEntry mimeview_mime_types[] =
 220 {
 221         {"text/uri-list", 0, 0}
 222 };
 223
 224 GSList *mimeviewer_factories;
 225 GSList *mimeviews;
 226
 227 static GdkCursor *hand_cursor = NULL;
 228
 229 static gboolean mimeview_visi_notify(GtkWidget *widget,
 230                                        GdkEventVisibility *event,
 231                                        MimeView *mimeview)
 232 {
 233         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 234         return FALSE;
 235 }
 236
 237 static gboolean mimeview_leave_notify(GtkWidget *widget,
 238                                       GdkEventCrossing *event,
 239                                       MimeView *mimeview)
 240 {
 241         gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
 242         return FALSE;
 243 }
 244
 245 static gboolean mimeview_enter_notify(GtkWidget *widget,
 246                                       GdkEventCrossing *event,
 247                                       MimeView *mimeview)
 248 {
 249         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 250         return FALSE;
 251 }
 252
 253 MimeView *mimeview_create(MainWindow *mainwin)
 254 {
 255         MimeView *mimeview;
 256
 257         GtkWidget *paned;
 258         GtkWidget *scrolledwin;
 259         GtkWidget *ctree;
 260         GtkWidget *mime_notebook;
 261         GtkWidget *popupmenu;
 262         GtkWidget *ctree_mainbox;
 263         GtkWidget *vbox;
 264         GtkWidget *mime_toggle;
 265         GtkWidget *icon_mainbox;
 266         GtkWidget *icon_scroll;
 267         GtkWidget *icon_vbox;
 268         GtkWidget *arrow;
 269         GtkWidget *scrollbutton;
 270         GtkWidget *hbox;
 271         NoticeView *siginfoview;
 272         GtkRequisition r;
 273         GtkTreeStore *model;
 274         GtkCellRenderer *renderer;
 275         GtkTreeViewColumn *column;
 276         GtkTreeSelection *selection;
 277
 278         gchar *titles[N_MIMEVIEW_COLS];
 279         gint cols;
 280
 281         if (!hand_cursor)
 282                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 283
 284         debug_print("Creating MIME view...\n");
 285         mimeview = g_new0(MimeView, 1);
 286
 287         titles[COL_MIMETYPE] = _("MIME Type");
 288         titles[COL_SIZE]     = _("Size");
 289         titles[COL_NAME]     = _("Name");
 290
 291         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 292         gtk_widget_show(scrolledwin);
 293         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 294                                        GTK_POLICY_AUTOMATIC,
 295                                        GTK_POLICY_AUTOMATIC);
 296
 297         model = gtk_tree_store_new(N_MIMEVIEW_COLS,
 298                                    G_TYPE_STRING,
 299                                    G_TYPE_STRING,
 300                                    G_TYPE_STRING,
 301                                    G_TYPE_POINTER);
 302
 303         ctree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
 304         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
 305         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(ctree),
 306                                         prefs_common.use_stripes_everywhere);
 307         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
 308                                         prefs_common.show_col_headers);
 309
 310         renderer = gtk_cell_renderer_text_new();
 311         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 312                                         -1, titles[COL_MIMETYPE],renderer,
 313                                         "text", COL_MIMETYPE, NULL);
 314         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 315
 316         renderer = gtk_cell_renderer_text_new();
 317 #if(GTK_CHECK_VERSION(2,18,0))
 318         gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
 319 #endif
 320         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 321                                         -1, titles[COL_SIZE], renderer,
 322                                         "text", COL_SIZE, NULL);
 323         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 324         gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
 325
 326         renderer = gtk_cell_renderer_text_new();
 327         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 328                                         -1, titles[COL_NAME], renderer,
 329                                         "text", COL_NAME, NULL);
 330         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 331         gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
 332
 333         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
 334         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 335
 336         gtk_widget_show(ctree);
 337         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 338         gtk_drag_source_set(ctree, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
 339                             mimeview_mime_types, 1, GDK_ACTION_COPY);
 340
 341         g_signal_connect(G_OBJECT(selection), "changed",
 342                          G_CALLBACK(mimeview_selected), mimeview);
 343         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 344                          G_CALLBACK(mimeview_button_pressed), mimeview);
 345         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 346                          G_CALLBACK(mimeview_key_pressed), mimeview);
 347         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 348                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 349
 350         mime_notebook = gtk_notebook_new();
 351         gtk_widget_show(mime_notebook);
 352         gtkut_widget_set_can_focus(mime_notebook, FALSE);
 353         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 354         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 355
 356         icon_vbox = gtk_vbox_new(FALSE, 2);
 357         gtk_widget_show(icon_vbox);
 358         icon_scroll = gtk_layout_new(NULL, NULL);
 359         gtk_widget_show(icon_scroll);
 360         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 361         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 362         gtk_widget_show(scrollbutton);
 363
 364         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 365                          G_CALLBACK(mimeview_scrolled), mimeview);
 366
 367         mime_toggle = gtk_event_box_new();
 368         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 369
 370         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 371                          G_CALLBACK(mimeview_visi_notify), mimeview);
 372         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 373                          G_CALLBACK(mimeview_leave_notify), mimeview);
 374         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 375                          G_CALLBACK(mimeview_enter_notify), mimeview);
 376
 377         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 378         gtk_widget_show(mime_toggle);
 379         mimeview->ctree_mode = FALSE;
 380         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 381         gtk_widget_show(arrow);
 382         gtk_widget_size_request(arrow, &r);
 383         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 384         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 385                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 386
 387         icon_mainbox = gtk_vbox_new(FALSE, 0);
 388         gtk_widget_show(icon_mainbox);
 389         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 390         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 391         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 392         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 393         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 394                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 395
 396         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 397         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 398         g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
 399                          G_CALLBACK(ctree_size_allocate_cb), mimeview);
 400
 401         mimeview->ui_manager = gtk_ui_manager_new();
 402         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 403                         "MimeView", mimeview_menu_actions,
 404                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 405
 406         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 407         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 408                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 409         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 410                         "/Menus/MimeView/", "Open", "MimeView/Open",
 411                         GTK_UI_MANAGER_MENUITEM);
 412 #if (!defined MAEMO && !defined G_OS_WIN32)
 413         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 414                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 415                         GTK_UI_MANAGER_MENUITEM);
 416 #endif
 417         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 418                         "/Menus/MimeView/", "SendTo", "MimeView/SendTo",
 419                         GTK_UI_MANAGER_MENUITEM);
 420         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 421                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 422                         GTK_UI_MANAGER_MENUITEM);
 423         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 424                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 425                         GTK_UI_MANAGER_MENUITEM);
 426         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 427                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 428                         GTK_UI_MANAGER_MENUITEM);
 429         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 430                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 431                         GTK_UI_MANAGER_MENUITEM);
 432         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 433                         "/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
 434                         GTK_UI_MANAGER_MENUITEM);
 435
 436         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 437                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 438
 439
 440         vbox = gtk_vbox_new(FALSE, 0);
 441         gtk_widget_show(vbox);
 442         siginfoview = noticeview_create(mainwin);
 443         noticeview_hide(siginfoview);
 444         noticeview_set_icon_clickable(siginfoview, TRUE);
 445         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 446         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 447
 448         paned = gtk_vpaned_new();
 449         gtk_widget_show(paned);
 450         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 451         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 452
 453         hbox = gtk_hbox_new(FALSE, 0);
 454         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 455         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 456
 457         gtk_widget_show(hbox);
 458         gtk_widget_hide(ctree_mainbox);
 459 #ifdef GENERIC_UMPC
 460         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 461 #endif
 462         mimeview->hbox          = hbox;
 463         mimeview->paned         = paned;
 464         mimeview->scrolledwin   = scrolledwin;
 465         mimeview->ctree         = ctree;
 466         mimeview->mime_notebook = mime_notebook;
 467         mimeview->popupmenu     = popupmenu;
 468         mimeview->type          = -1;
 469         mimeview->ctree_mainbox = ctree_mainbox;
 470         mimeview->icon_scroll   = icon_scroll;
 471         mimeview->icon_vbox     = icon_vbox;
 472         mimeview->icon_mainbox  = icon_mainbox;
 473         mimeview->icon_count    = 0;
 474         mimeview->mainwin       = mainwin;
 475 #if !(GTK_CHECK_VERSION(2,12,0))
 476         mimeview->tooltips      = tips;
 477 #endif
 478         mimeview->mime_toggle   = mime_toggle;
 479         mimeview->siginfoview   = siginfoview;
 480         mimeview->scrollbutton  = scrollbutton;
 481         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 482
 483         mimeviews = g_slist_prepend(mimeviews, mimeview);
 484
 485         return mimeview;
 486 }
 487
 488 void mimeview_init(MimeView *mimeview)
 489 {
 490         textview_init(mimeview->textview);
 491
 492         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 493                 GTK_WIDGET_PTR(mimeview->textview));
 494 }
 495
 496 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 497 {
 498         while (mimeinfo) {
 499                 if (privacy_mimeinfo_is_signed(mimeinfo))
 500                         return TRUE;
 501                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 502         }
 503
 504         return FALSE;
 505 }
 506
 507 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 508                            const gchar *file)
 509 {
 510         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 511
 512         mimeview_clear(mimeview);
 513
 514         cm_return_if_fail(file != NULL);
 515         cm_return_if_fail(mimeinfo != NULL);
 516
 517         mimeview->mimeinfo = mimeinfo;
 518
 519         mimeview->file = g_strdup(file);
 520
 521         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 522                                         mimeview);
 523
 524         /* check if the mail's signed - it can change the mail structure */
 525
 526         if (any_part_is_signed(mimeinfo))
 527                 debug_print("signed mail\n");
 528
 529         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 530         gtk_tree_view_expand_all(ctree);
 531         icon_list_clear(mimeview);
 532         icon_list_create(mimeview, mimeinfo);
 533
 534         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 535                                           mimeview_selected, mimeview);
 536 }
 537
 538 #ifdef USE_PTHREAD
 539 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 540 #endif
 541
 542 static void mimeview_free_mimeinfo(MimeView *mimeview)
 543 {
 544         gboolean defer = FALSE;
 545 #ifdef USE_PTHREAD
 546         defer = (mimeview->check_data != NULL);
 547         if (defer)
 548                 mimeview->check_data->free_after_use = TRUE;
 549 #endif
 550         if (mimeview->mimeinfo != NULL && !defer) {
 551                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 552                 mimeview->mimeinfo = NULL;
 553         } else if (defer) {
 554 #ifdef USE_PTHREAD
 555                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 556                 mimeview_check_sig_cancel_now(mimeview);
 557 #endif
 558         }
 559 }
 560
 561 void mimeview_destroy(MimeView *mimeview)
 562 {
 563         GSList *cur;
 564
 565         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 566                 MimeViewer *viewer = (MimeViewer *) cur->data;
 567                 viewer->destroy_viewer(viewer);
 568         }
 569         g_slist_free(mimeview->viewers);
 570         gtk_target_list_unref(mimeview->target_list);
 571
 572 #ifdef USE_PTHREAD
 573         if (mimeview->check_data) {
 574                 mimeview->check_data->destroy_mimeview = TRUE;
 575                 debug_print("deferring destroy\n");
 576         } else
 577 #endif
 578         {
 579                 mimeview_free_mimeinfo(mimeview);
 580                 gtk_tree_path_free(mimeview->opened);
 581                 g_free(mimeview->file);
 582                 g_free(mimeview);
 583                 mimeviews = g_slist_remove(mimeviews, mimeview);
 584         }
 585
 586 }
 587
 588 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 589 {
 590         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 591         GtkTreeIter iter;
 592         GtkTreeSelection *selection;
 593         MimeInfo *partinfo = NULL;
 594
 595         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 596         if (gtk_tree_selection_get_selected(selection, NULL, &iter))
 597                 gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 598
 599         return partinfo;
 600 }
 601
 602 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 603 {
 604         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 605         GtkTreeIter iter;
 606         MimeInfo *partinfo;
 607
 608         gtk_tree_model_get_iter(model, &iter, path);
 609         gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 610         return partinfo;
 611 }
 612
 613 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 614 {
 615         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 616         GtkTreeIter iter;
 617         return !gtk_tree_model_get_iter_first(model, &iter);
 618 }
 619
 620 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 621 {
 622         GtkTreeIter iter, parent;
 623         gboolean has_parent;
 624
 625         gtk_tree_model_get_iter(model, &iter, path);
 626
 627         if (gtk_tree_model_iter_has_child(model, &iter)) {
 628                 gtk_tree_path_down(path);
 629                 return TRUE;
 630         }
 631
 632         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 633
 634         if (!gtk_tree_model_iter_next(model, &iter)) {
 635                 while (has_parent) {
 636                         GtkTreeIter saved_parent = parent;
 637                         gtk_tree_path_up(path);
 638                         if (gtk_tree_model_iter_next(model, &parent)) {
 639                                 gtk_tree_path_next(path);
 640                                 return TRUE;
 641                         } else {
 642                                 has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 643                         }
 644                 }
 645
 646         } else {
 647                 gtk_tree_path_next(path);
 648                 return TRUE;
 649         }
 650
 651         return FALSE;
 652 }
 653
 654 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 655 {
 656         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 657         GtkTreeIter iter, child, parent;
 658         gboolean has_parent;
 659
 660         gtk_tree_model_get_iter(model, &iter, path);
 661         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 662
 663         if (gtk_tree_path_prev(path)) {
 664                 gtk_tree_model_get_iter(model, &iter, path);
 665
 666                 if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 667                         gtk_tree_path_down(path);
 668
 669                         while (gtk_tree_model_iter_next(model, &child))
 670                                 gtk_tree_path_next(path);
 671                 }
 672
 673                 return TRUE;
 674         }
 675
 676         if (has_parent) {
 677                 gtk_tree_path_up(path);
 678                 return TRUE;
 679         }
 680
 681         return FALSE;
 682 }
 683
 684 gint mimeview_get_selected_part_num(MimeView *mimeview)
 685 {
 686         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 687         GtkTreeIter iter;
 688         GtkTreePath *path;
 689         gint i = 0;
 690
 691         gtk_tree_model_get_iter_first(model, &iter);
 692         path = gtk_tree_model_get_path(model, &iter);
 693
 694         do {
 695                 if (!gtk_tree_path_compare(mimeview->opened, path)) {
 696                         gtk_tree_path_free(path);
 697                         return i;
 698                 }
 699
 700                 i++;
 701         } while (mimeview_tree_next(model, path));
 702
 703         gtk_tree_path_free(path);
 704
 705         return -1;
 706 }
 707
 708 void mimeview_select_part_num(MimeView *mimeview, gint i)
 709 {
 710         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 711         GtkTreeIter iter;
 712         GtkTreePath *path;
 713         GtkTreeSelection *selection;
 714         gint x = 0;
 715
 716         if (i < 0)
 717                 return;
 718
 719         gtk_tree_model_get_iter_first(model, &iter);
 720         path = gtk_tree_model_get_path(model, &iter);
 721
 722         while (x != i) {
 723                 if (!mimeview_tree_next(model, path)) {
 724                         gtk_tree_path_free(path);
 725                         return;
 726                 }
 727                 x++;
 728         }
 729
 730         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 731         gtk_tree_selection_select_path(selection, path);
 732         gtk_tree_path_free(path);
 733 }
 734
 735 static void mimeview_set_multipart_tree(MimeView *mimeview,
 736                                         MimeInfo *mimeinfo,
 737                                         GtkTreeIter *parent)
 738 {
 739         GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 740                                         GTK_TREE_VIEW(mimeview->ctree)));
 741         GtkTreeIter iter;
 742         gchar *content_type, *length, *name;
 743
 744         cm_return_if_fail(mimeinfo != NULL);
 745
 746         while (mimeinfo != NULL) {
 747                 if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 748                         content_type = g_strdup_printf("%s/%s",
 749                                         procmime_get_media_type_str(mimeinfo->type),
 750                                         mimeinfo->subtype);
 751                 else
 752                         content_type = g_strdup("UNKNOWN");
 753
 754                 length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 755
 756                 if (prefs_common.attach_desc)
 757                         name = g_strdup(get_part_description(mimeinfo));
 758                 else
 759                         name = g_strdup(get_part_name(mimeinfo));
 760
 761                 gtk_tree_store_append(model, &iter, parent);
 762                 gtk_tree_store_set(model, &iter,
 763                                 COL_MIMETYPE, content_type,
 764                                 COL_SIZE, length,
 765                                 COL_NAME, name,
 766                                 COL_DATA, mimeinfo, -1);
 767                 g_free(content_type);
 768                 g_free(length);
 769                 g_free(name);
 770
 771                 if (mimeinfo->node->children)
 772                         mimeview_set_multipart_tree(mimeview,
 773                                 (MimeInfo *) mimeinfo->node->children->data, &iter);
 774                 mimeinfo = mimeinfo->node->next != NULL ?
 775                                 (MimeInfo *) mimeinfo->node->next->data : NULL;
 776         }
 777 }
 778
 779 static const gchar *get_real_part_name(MimeInfo *partinfo)
 780 {
 781         const gchar *name = NULL;
 782
 783         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 784         if (name == NULL)
 785                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 786
 787         return name;
 788 }
 789
 790 static const gchar *get_part_name(MimeInfo *partinfo)
 791 {
 792         const gchar *name;
 793
 794         name = get_real_part_name(partinfo);
 795         if (name == NULL)
 796                 name = "";
 797
 798         return name;
 799 }
 800
 801 static const gchar *get_part_description(MimeInfo *partinfo)
 802 {
 803         if (partinfo->description)
 804                 return partinfo->description;
 805         else
 806                 return get_part_name(partinfo);
 807 }
 808
 809 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 810 {
 811         FILE *fp;
 812         const gchar *fname;
 813
 814         if (!partinfo) return;
 815
 816         fname = mimeview->file;
 817         if (!fname) return;
 818
 819         if ((fp = g_fopen(fname, "rb")) == NULL) {
 820                 FILE_OP_ERROR(fname, "fopen");
 821                 return;
 822         }
 823
 824         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 825                 FILE_OP_ERROR(mimeview->file, "fseek");
 826                 fclose(fp);
 827                 return;
 828         }
 829
 830         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 831         textview_show_part(mimeview->textview, partinfo, fp);
 832
 833         fclose(fp);
 834 }
 835
 836 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 837 {
 838         GSList *cur;
 839         MimeViewerFactory *factory = NULL;
 840         MimeViewer *viewer = NULL;
 841         gchar *real_contenttype = NULL;
 842
 843 /*
 844  * FNM_CASEFOLD is a GNU extension
 845  */
 846 #ifndef FNM_CASEFOLD
 847 #define FNM_CASEFOLD 0
 848         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 849 #else
 850         real_contenttype = g_strdup(content_type);
 851 #endif
 852
 853         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 854                 MimeViewerFactory *curfactory = cur->data;
 855                 gint i = 0;
 856
 857                 while (curfactory->content_types[i] != NULL) {
 858                         if(!fnmatch(curfactory->content_types[i], real_contenttype, FNM_CASEFOLD)) {
 859                                 debug_print("%s\n", curfactory->content_types[i]);
 860                                 factory = curfactory;
 861                                 break;
 862                         }
 863                         i++;
 864                 }
 865                 if (factory != NULL)
 866                         break;
 867         }
 868         g_free(real_contenttype);
 869         if (factory == NULL)
 870                 return NULL;
 871
 872         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 873                 MimeViewer *curviewer = cur->data;
 874
 875                 if (curviewer->factory == factory)
 876                         return curviewer;
 877         }
 878         viewer = factory->create_viewer();
 879         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 880                 GTK_WIDGET(viewer->get_widget(viewer)));
 881
 882         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 883
 884         return viewer;
 885 }
 886
 887 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 888 {
 889         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 890 }
 891
 892 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 893 {
 894         gchar *content_type = NULL;
 895         MimeViewer *viewer = NULL;
 896
 897         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 898             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 899                 const gchar *filename;
 900
 901                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 902                 if (filename == NULL)
 903                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 904                 if (filename != NULL)
 905                         content_type = procmime_get_mime_type(filename);
 906         } else {
 907                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 908         }
 909
 910         if (content_type != NULL) {
 911                 viewer = get_viewer_for_content_type(mimeview, content_type);
 912                 g_free(content_type);
 913         }
 914
 915         return viewer;
 916 }
 917
 918 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 919 {
 920         MimeViewer *viewer;
 921
 922         if (mimeview->messageview->partial_display_shown) {
 923                 noticeview_hide(mimeview->messageview->noticeview);
 924                 mimeview->messageview->partial_display_shown = FALSE;
 925         }
 926
 927         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 928         if (viewer == NULL) {
 929                 if (mimeview->mimeviewer != NULL)
 930                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 931                 mimeview->mimeviewer = NULL;
 932                 return FALSE;
 933         }
 934
 935         if (mimeview->mimeviewer != NULL)
 936                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 937
 938         if (mimeview->mimeviewer != viewer)
 939                 mimeview->mimeviewer = viewer;
 940
 941         mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 942         viewer->mimeview = mimeview;
 943         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 944
 945         return TRUE;
 946 }
 947
 948 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 949 {
 950         TextView  *textview  = mimeview->textview;
 951         GtkWidget *focused = NULL;
 952
 953         if (mainwindow_get_mainwindow())
 954                 focused = gtkut_get_focused_child(
 955                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 956
 957         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 958             (mimeview->type == type)) return;
 959
 960         switch (type) {
 961         case MIMEVIEW_TEXT:
 962                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 963                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 964                         GTK_WIDGET_PTR(textview)));
 965                 break;
 966         case MIMEVIEW_VIEWER:
 967                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 968                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 969                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 970                 break;
 971         default:
 972                 return;
 973         }
 974         if (focused)
 975                 gtk_widget_grab_focus(focused);
 976         mimeview->type = type;
 977 }
 978
 979 void mimeview_clear(MimeView *mimeview)
 980 {
 981         GtkTreeModel *model;
 982
 983         if (!mimeview)
 984                 return;
 985
 986         if (g_slist_find(mimeviews, mimeview) == NULL)
 987                 return;
 988
 989         noticeview_hide(mimeview->siginfoview);
 990
 991         model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 992         gtk_tree_store_clear(GTK_TREE_STORE(model));
 993
 994         textview_clear(mimeview->textview);
 995         if (mimeview->mimeviewer != NULL)
 996                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 997
 998         mimeview_free_mimeinfo(mimeview);
 999
1000         mimeview->mimeinfo = NULL;
1001
1002         gtk_tree_path_free(mimeview->opened);
1003         mimeview->opened = NULL;
1004
1005         g_free(mimeview->file);
1006         mimeview->file = NULL;
1007
1008         icon_list_clear(mimeview);
1009         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1010 }
1011
1012 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
1013 static void mimeview_check_signature(MimeView *mimeview);
1014 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
1015
1016 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
1017                                         gboolean special, SignatureStatus code)
1018 {
1019         gchar *text = NULL, *button_text = NULL;
1020         void  *func = NULL;
1021         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1022         SignatureStatus mycode = SIGNATURE_UNCHECKED;
1023
1024         cm_return_if_fail(mimeview != NULL);
1025         cm_return_if_fail(mimeinfo != NULL);
1026
1027         if (special)
1028                 mycode = code;
1029         else
1030                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1031
1032         switch (mycode) {
1033         case SIGNATURE_UNCHECKED:
1034                 button_text = _("Check signature");
1035                 func = check_signature_cb;
1036                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1037                 break;
1038         case SIGNATURE_OK:
1039                 button_text = _("View full information");
1040                 func = display_full_info_cb;
1041                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
1042                 break;
1043         case SIGNATURE_WARN:
1044                 button_text = _("View full information");
1045                 func = display_full_info_cb;
1046                 icon = STOCK_PIXMAP_PRIVACY_WARN;
1047                 break;
1048         case SIGNATURE_KEY_EXPIRED:
1049                 button_text = _("View full information");
1050                 func = display_full_info_cb;
1051                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1052                 break;
1053         case SIGNATURE_INVALID:
1054                 button_text = _("View full information");
1055                 func = display_full_info_cb;
1056                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
1057                 break;
1058         case SIGNATURE_CHECK_FAILED:
1059                 button_text = _("Check again");
1060                 func = check_signature_cb;
1061                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1062         case SIGNATURE_CHECK_TIMEOUT:
1063                 button_text = _("Check again");
1064                 func = check_signature_cb;
1065                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1066         default:
1067                 break;
1068         }
1069         if (mycode == SIGNATURE_UNCHECKED) {
1070                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1071                 text = g_strdup_printf("%s %s",
1072                         tmp, _("Click the icon or hit 'C' to check it."));
1073                 g_free(tmp);
1074         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1075                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1076         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1077                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
1078         }
1079
1080         noticeview_set_text(mimeview->siginfoview, text);
1081         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1082
1083         g_free(text);
1084         noticeview_set_button_text(mimeview->siginfoview, NULL);
1085         noticeview_set_button_press_callback(
1086                 mimeview->siginfoview,
1087                 G_CALLBACK(func),
1088                 (gpointer) mimeview);
1089         noticeview_set_icon(mimeview->siginfoview, icon);
1090         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1091 }
1092
1093 #ifdef USE_PTHREAD
1094
1095 /* reset all thread stuff, and do the cleanups we've been left to do */
1096 static void mimeview_check_data_reset(MimeView *mimeview)
1097 {
1098         gboolean must_free;
1099         gboolean must_destroy;
1100
1101         if (!mimeview->check_data)
1102                 return;
1103
1104         must_free = mimeview->check_data->free_after_use;
1105         must_destroy = mimeview->check_data->destroy_mimeview;
1106
1107         if (mimeview->check_data->cancel_th_init) {
1108                 debug_print("killing canceller thread\n");
1109                 mimeview->check_data->cancel_th_init = FALSE;
1110                 pthread_cancel(mimeview->check_data->cancel_th);
1111         }
1112
1113         g_free(mimeview->check_data);
1114         mimeview->check_data = NULL;
1115
1116         if (must_free) {
1117                 debug_print("freeing deferred mimeinfo\n");
1118                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
1119         }
1120         if (must_destroy) {
1121                 debug_print("freeing deferred mimeview\n");
1122                 mimeview_free_mimeinfo(mimeview);
1123                 gtk_tree_path_free(mimeview->opened);
1124                 g_free(mimeview->file);
1125                 g_free(mimeview);
1126                 mimeviews = g_slist_remove(mimeviews, mimeview);
1127         }
1128
1129 }
1130
1131 /* GUI update once the checker thread is done or killed */
1132 static gboolean mimeview_check_sig_thread_cb(void *data)
1133 {
1134         MimeView *mimeview = (MimeView *) data;
1135         MimeInfo *mimeinfo = mimeview->siginfo;
1136
1137         debug_print("mimeview_check_sig_thread_cb\n");
1138
1139         if (mimeinfo == NULL) {
1140                 /* message changed !? */
1141                 g_warning("no more siginfo!\n");
1142                 goto end;
1143         }
1144
1145         if (!mimeview->check_data) {
1146                 g_warning("nothing to check\n");
1147                 return FALSE;
1148         }
1149
1150         if (mimeview->check_data->siginfo != mimeinfo) {
1151                 /* message changed !? */
1152                 g_warning("different siginfo!\n");
1153                 goto end;
1154         }
1155
1156         if (mimeview->check_data->destroy_mimeview ||
1157             mimeview->check_data->free_after_use) {
1158                 debug_print("not bothering, we're changing message\n");
1159                 goto end;
1160         }
1161
1162         /* update status */
1163         if (mimeview->check_data->timeout)
1164                 update_signature_noticeview(mimeview, mimeview->siginfo,
1165                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1166         else
1167                 update_signature_noticeview(mimeview, mimeview->siginfo,
1168                         FALSE, 0);
1169         icon_list_clear(mimeview);
1170         icon_list_create(mimeview, mimeview->mimeinfo);
1171
1172 end:
1173         mimeview_check_data_reset(mimeview);
1174         return FALSE;
1175 }
1176
1177 /* sig checker thread */
1178 static void *mimeview_check_sig_worker_thread(void *data)
1179 {
1180         MimeView *mimeview = (MimeView *)data;
1181         MimeInfo *mimeinfo = mimeview->siginfo;
1182
1183         debug_print("checking...\n");
1184
1185         if (!mimeview->check_data)
1186                 return NULL;
1187
1188         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1189                 privacy_mimeinfo_check_signature(mimeinfo);
1190                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1191                         mimeview->check_data->cancel_th_init = FALSE;
1192                         pthread_cancel(mimeview->check_data->cancel_th);
1193                 }
1194         } else {
1195                 /* that's strange! we changed message without
1196                  * getting killed. */
1197                 g_warning("different siginfo!\n");
1198                 mimeview_check_data_reset(mimeview);
1199                 return NULL;
1200         }
1201
1202         /* use g_timeout so that GUI updates is done from the
1203          * correct thread */
1204         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1205
1206         return NULL;
1207 }
1208
1209 /* killer thread - acts when the checker didn't work fast
1210  * enough. */
1211 static void *mimeview_check_sig_cancel_thread(void *data)
1212 {
1213         MimeView *mimeview = (MimeView *)data;
1214
1215         if (!mimeview->check_data)
1216                 return NULL; /* nothing to kill ! */
1217
1218         /* wait for a few seconds... */
1219         debug_print("waiting a while\n");
1220
1221         g_usleep(5 * 1000 * 1000);
1222
1223         if (!mimeview->check_data)
1224                 return NULL; /* nothing to kill, it's done in time :) */
1225
1226         /* too late, go away checker thread */
1227         debug_print("killing checker thread\n");
1228         if (mimeview->check_data->th_init) {
1229                 mimeview->check_data->th_init = FALSE;
1230                 pthread_cancel(mimeview->check_data->th);
1231         }
1232
1233         /* tell upstream it was a timeout */
1234         mimeview->check_data->timeout = TRUE;
1235         /* use g_timeout so that GUI updates is done from the
1236          * correct thread */
1237         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1238
1239         return NULL;
1240 }
1241
1242 /* get rid of the checker thread right now - used when changing the
1243  * displayed message for example. */
1244 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1245 {
1246         if (!mimeview->check_data)
1247                 return;
1248         debug_print("killing checker thread NOW\n");
1249         if (mimeview->check_data->th_init) {
1250                 mimeview->check_data->th_init = FALSE;
1251                 pthread_cancel(mimeview->check_data->th);
1252         }
1253
1254         /* tell upstream it was a timeout */
1255         mimeview->check_data->timeout = TRUE;
1256         mimeview_check_sig_thread_cb(mimeview);
1257         return;
1258 }
1259
1260 /* creates a thread to check the signature, and a second one
1261  * to kill the first one after a timeout */
1262 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1263 {
1264         pthread_t th, th2;
1265         pthread_attr_t detach, detach2;
1266
1267         if (mimeview->check_data) {
1268                 g_warning("already checking it");
1269                 return;
1270         }
1271
1272         mimeview->check_data = g_new0(SigCheckData, 1);
1273         mimeview->check_data->siginfo = mimeview->siginfo;
1274         debug_print("creating thread\n");
1275
1276         /* init thread attributes and create the checker thread */
1277         if (pthread_attr_init(&detach) != 0 ||
1278             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1279             pthread_attr_init(&detach2) != 0 ||
1280             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1281             pthread_create(&th, &detach,
1282                         mimeview_check_sig_worker_thread,
1283                         mimeview) != 0) {
1284                 /* arh. We'll do it synchronously. */
1285                 g_warning("can't create thread");
1286                 g_free(mimeview->check_data);
1287                 mimeview->check_data = NULL;
1288                 return;
1289         } else {
1290                 mimeview->check_data->th = th;
1291                 mimeview->check_data->th_init = TRUE;
1292         }
1293
1294         /* create the killer thread */
1295         pthread_create(&th2, &detach2,
1296                         mimeview_check_sig_cancel_thread,
1297                         mimeview);
1298
1299         mimeview->check_data->cancel_th = th2;
1300         mimeview->check_data->cancel_th_init = TRUE;
1301 }
1302 #endif
1303
1304 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1305 {
1306         MimeView *mimeview = (MimeView *) user_data;
1307         MimeInfo *mimeinfo = mimeview->siginfo;
1308
1309         if (mimeinfo == NULL)
1310                 return;
1311 #ifdef USE_PTHREAD
1312         if (mimeview->check_data)
1313                 return;
1314 #endif
1315         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1316         GTK_EVENTS_FLUSH();
1317 #ifdef USE_PTHREAD
1318         /* let's do it non-blocking */
1319         mimeview_check_sig_in_thread(mimeview);
1320         if (!mimeview->check_data) /* let's check syncronously */
1321 #endif
1322         {
1323                 debug_print("checking without thread\n");
1324                 privacy_mimeinfo_check_signature(mimeinfo);
1325                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1326                 icon_list_clear(mimeview);
1327                 icon_list_create(mimeview, mimeview->mimeinfo);
1328         }
1329 }
1330
1331 static void mimeview_check_signature(MimeView *mimeview)
1332 {
1333         check_signature_cb(NULL, mimeview);
1334 }
1335
1336 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1337 {
1338         MimeView *mimeview = (MimeView *) user_data;
1339         gtk_tree_path_free(mimeview->opened);
1340         mimeview->opened = NULL;
1341         mimeview_selected(gtk_tree_view_get_selection(
1342                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1343 }
1344
1345 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1346 {
1347         MimeView *mimeview = (MimeView *) user_data;
1348         gchar *siginfo;
1349
1350         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1351         textview_set_text(mimeview->textview, siginfo);
1352         g_free(siginfo);
1353         noticeview_set_button_text(mimeview->siginfoview, NULL);
1354         noticeview_set_button_press_callback(
1355                 mimeview->siginfoview,
1356                 G_CALLBACK(redisplay_email),
1357                 (gpointer) mimeview);
1358         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1359 }
1360
1361 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1362 {
1363         MimeInfo *siginfo;
1364         MimeInfo *first_text;
1365
1366         cm_return_if_fail(mimeview != NULL);
1367         cm_return_if_fail(selected != NULL);
1368
1369         if (selected->type == MIMETYPE_MESSAGE
1370         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1371                 /* if the first text part is signed, check that */
1372                 first_text = selected;
1373                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1374                         first_text = procmime_mimeinfo_next(first_text);
1375                 }
1376                 if (first_text) {
1377                         update_signature_info(mimeview, first_text);
1378                         return;
1379                 }
1380         }
1381
1382         siginfo = selected;
1383         while (siginfo != NULL) {
1384                 if (privacy_mimeinfo_is_signed(siginfo))
1385                         break;
1386                 siginfo = procmime_mimeinfo_parent(siginfo);
1387         }
1388         mimeview->siginfo = siginfo;
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 static 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 static 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         case GDK_KEY_y:
1648                 BREAK_ON_MODIFIER_KEY();
1649                 mimeview_save_as(mimeview);
1650                 return TRUE;
1651         case GDK_KEY_t:
1652                 BREAK_ON_MODIFIER_KEY();
1653                 mimeview_display_as_text(mimeview);
1654                 return TRUE;
1655         case GDK_KEY_l:
1656                 BREAK_ON_MODIFIER_KEY();
1657                 mimeview_launch(mimeview, NULL);
1658                 return TRUE;
1659         case GDK_KEY_o:
1660                 BREAK_ON_MODIFIER_KEY();
1661 #ifndef G_OS_WIN32
1662                 mimeview_open_with(mimeview);
1663 #endif
1664                 return TRUE;
1665         case GDK_KEY_c:
1666                 BREAK_ON_MODIFIER_KEY();
1667                 mimeview_check_signature(mimeview);
1668                 return TRUE;
1669         case GDK_KEY_a:
1670                 BREAK_ON_MODIFIER_KEY();
1671                 mimeview_select_next_part(mimeview);
1672                 return TRUE;
1673         case GDK_KEY_z:
1674                 BREAK_ON_MODIFIER_KEY();
1675                 mimeview_select_prev_part(mimeview);
1676                 return TRUE;
1677         default:
1678                 break;
1679         }
1680
1681         if (mimeview->messageview->new_window) return FALSE;
1682
1683         return summary_pass_key_press_event(summaryview, event);
1684 }
1685
1686 static void mimeview_drag_data_get(GtkWidget        *widget,
1687                                    GdkDragContext   *drag_context,
1688                                    GtkSelectionData *selection_data,
1689                                    guint             info,
1690                                    guint             time,
1691                                    MimeView         *mimeview)
1692 {
1693         gchar *filename = NULL, *uriname, *tmp;
1694         MimeInfo *partinfo;
1695         gint err;
1696         gint count = 0;
1697
1698         if (!mimeview->opened) return;
1699         if (!mimeview->file) return;
1700
1701         partinfo = mimeview_get_selected_part(mimeview);
1702         if (!partinfo) return;
1703
1704         if (strlen(get_part_name(partinfo)) > 0) {
1705                 filename = g_path_get_basename(get_part_name(partinfo));
1706                 if (*filename == '\0') return;
1707         } else if (partinfo->type == MIMETYPE_MESSAGE
1708                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1709                 gchar *name = NULL;
1710                 GPtrArray *headers = NULL;
1711                 FILE *fp;
1712
1713                 fp = g_fopen(partinfo->data.filename, "rb");
1714                 fseek(fp, partinfo->offset, SEEK_SET);
1715                 headers = procheader_get_header_array_asis(fp);
1716                 if (headers) {
1717                         gint i;
1718                         for (i = 0; i < headers->len; i++) {
1719                                 Header *header = g_ptr_array_index(headers, i);
1720                                 if (procheader_headername_equal(header->name, "Subject")) {
1721                                         unfold_line(header->body);
1722                                         name = g_strconcat(header->body, ".txt", NULL);
1723                                         subst_for_filename(name);
1724                                 }
1725                         }
1726                         procheader_header_array_destroy(headers);
1727                 }
1728                 fclose(fp);
1729                 if (name)
1730                         filename = g_path_get_basename(name);
1731                 g_free(name);
1732         }
1733         if (filename == NULL)
1734                 filename = g_path_get_basename("Unnamed part");
1735
1736         if (!g_utf8_validate(filename, -1, NULL))
1737                 tmp = conv_codeset_strdup(filename,
1738                                 conv_get_locale_charset_str(),
1739                                 CS_UTF_8);
1740         else
1741                 tmp = g_strdup(filename);
1742
1743         if (tmp == NULL) {
1744                 g_warning("filename not in UTF-8");
1745                 tmp = g_strdup("Unnamed part");
1746         }
1747         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1748                                tmp, NULL);
1749
1750 check_new_file:
1751         if (is_file_exist(filename)) {
1752                 gchar *ext = NULL;
1753                 gchar *prefix = NULL;
1754                 gchar *new_name = NULL;
1755                 if (strrchr(tmp, '.')) {
1756                         prefix = g_strdup(tmp);
1757                         ext = g_strdup(strrchr(tmp, '.'));
1758                         *(strrchr(prefix, '.')) = '\0';
1759                 } else {
1760                         prefix = g_strdup(tmp);
1761                         ext = g_strdup("");
1762                 }
1763                 count++;
1764                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1765                 g_free(prefix);
1766                 g_free(ext);
1767                 g_free(filename);
1768                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1769                                new_name, NULL);
1770                 g_free(new_name);
1771                 goto check_new_file;
1772         }
1773
1774         g_free(tmp);
1775
1776         if ((err = procmime_get_part(filename, partinfo)) < 0)
1777                 alertpanel_error
1778                         (_("Couldn't save the part of multipart message: %s"),
1779                                 strerror(-err));
1780
1781         tmp = g_filename_to_uri(filename, NULL, NULL);
1782         uriname = g_strconcat(tmp, "\r\n", NULL);
1783         g_free(tmp);
1784
1785         gtk_selection_data_set(selection_data,
1786                    gtk_selection_data_get_target(selection_data), 8,
1787                                (guchar *)uriname, strlen(uriname));
1788
1789         g_free(uriname);
1790         g_free(filename);
1791 }
1792
1793 /**
1794  * Returns a filename (with path) for an attachment
1795  * \param partinfo The attachment to save
1796  * \param basedir The target directory
1797  * \param number Used for dummy filename if attachment is unnamed
1798  */
1799 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1800                                       const gchar *basedir,
1801                                       gint number)
1802 {
1803         gchar *fullname;
1804         gchar *filename;
1805
1806         filename = g_strdup(get_part_name(partinfo));
1807         if (!filename || !*filename) {
1808                 g_free(filename);
1809                 filename = g_strdup_printf("noname.%d", number);
1810         }
1811
1812         if (!g_utf8_validate(filename, -1, NULL)) {
1813                 gchar *tmp = conv_filename_to_utf8(filename);
1814                 g_free(filename);
1815                 filename = tmp;
1816         }
1817
1818         subst_for_filename(filename);
1819
1820         fullname = g_strconcat
1821                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1822                  ? &filename[1] : filename, NULL);
1823
1824         g_free(filename);
1825         filename = conv_filename_from_utf8(fullname);
1826         g_free(fullname);
1827         return filename;
1828 }
1829
1830 /**
1831  * Write a single attachment to file
1832  * \param filename Filename with path
1833  * \param partinfo Attachment to save
1834  */
1835 static gboolean mimeview_write_part(const gchar *filename,
1836                                     MimeInfo *partinfo)
1837 {
1838         gchar *dir;
1839         gint err;
1840
1841         dir= g_path_get_dirname(filename);
1842         if (!is_dir_exist(dir))
1843                 make_dir_hier(dir);
1844         g_free(dir);
1845
1846         if (is_file_exist(filename)) {
1847                 AlertValue aval;
1848                 gchar *res;
1849                 gchar *tmp;
1850
1851                 if (!g_utf8_validate(filename, -1, NULL))
1852                         tmp = conv_filename_to_utf8(filename);
1853                 else
1854                         tmp = g_strdup(filename);
1855
1856                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1857                                       tmp);
1858                 g_free(tmp);
1859                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1860                                   GTK_STOCK_OK, NULL);
1861                 g_free(res);
1862                 if (G_ALERTALTERNATE != aval) return FALSE;
1863         }
1864
1865         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1866                 alertpanel_error
1867                         (_("Couldn't save the part of multipart message: %s"),
1868                                 strerror(-err));
1869                 return FALSE;
1870         }
1871
1872         return TRUE;
1873 }
1874
1875 /**
1876  * Menu callback: Save all attached files
1877  * \param mimeview Current display
1878  */
1879 static void mimeview_save_all(MimeView *mimeview)
1880 {
1881         MimeInfo *partinfo;
1882         gchar *dirname;
1883         gchar *startdir = NULL;
1884         gint number = 1;
1885
1886         if (!mimeview->opened) return;
1887         if (!mimeview->file) return;
1888         if (!mimeview->mimeinfo) return;
1889
1890         partinfo = mimeview->mimeinfo;
1891         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1892                 startdir = g_strconcat(prefs_common.attach_save_dir,
1893                                        G_DIR_SEPARATOR_S, NULL);
1894         else
1895                 startdir = g_strdup(get_home_dir());
1896
1897         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1898         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1899         if (!dirname) {
1900                 g_free(startdir);
1901                 return;
1902         }
1903
1904         if (!is_dir_exist (dirname)) {
1905                 alertpanel_error(_("'%s' is not a directory."),
1906                                  dirname);
1907                 g_free(startdir);
1908                 g_free(dirname);
1909                 return;
1910         }
1911
1912         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1913                 dirname[strlen(dirname)-1] = '\0';
1914
1915         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1916         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1917                 partinfo = procmime_mimeinfo_next(partinfo);
1918         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1919                 partinfo = procmime_mimeinfo_next(partinfo);
1920                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1921                         partinfo = procmime_mimeinfo_next(partinfo);
1922         }
1923
1924         while (partinfo != NULL) {
1925                 if (partinfo->type != MIMETYPE_MESSAGE &&
1926                     partinfo->type != MIMETYPE_MULTIPART &&
1927                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1928                      || get_real_part_name(partinfo) != NULL)) {
1929                         gchar *filename = mimeview_get_filename_for_part
1930                                 (partinfo, dirname, number++);
1931
1932                         mimeview_write_part(filename, partinfo);
1933                         g_free(filename);
1934                 }
1935                 partinfo = procmime_mimeinfo_next(partinfo);
1936         }
1937
1938         g_free(prefs_common.attach_save_dir);
1939         g_free(startdir);
1940         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1941                                         -1, NULL, NULL, NULL);
1942         g_free(dirname);
1943 }
1944
1945 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1946 {
1947         MimeInfo *partinfo = NULL;
1948         if (mimeview->spec_part) {
1949                 partinfo = mimeview->spec_part;
1950                 mimeview->spec_part = NULL;
1951         } else {
1952                 partinfo = (MimeInfo *) g_object_get_data
1953                          (G_OBJECT(mimeview->popupmenu),
1954                          "pop_partinfo");
1955                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1956                                   "pop_partinfo", NULL);
1957                 if (!partinfo) {
1958                         partinfo = mimeview_get_selected_part(mimeview);
1959                 }
1960         }
1961
1962         return partinfo;
1963 }
1964 /**
1965  * Menu callback: Save the selected attachment
1966  * \param mimeview Current display
1967  */
1968 static void mimeview_save_as(MimeView *mimeview)
1969 {
1970         gchar *filename;
1971         gchar *filepath = NULL;
1972         gchar *filedir = NULL;
1973         MimeInfo *partinfo;
1974         gchar *partname = NULL;
1975
1976         if (!mimeview->opened) return;
1977         if (!mimeview->file) return;
1978
1979         partinfo = mimeview_get_part_to_use(mimeview);
1980
1981         cm_return_if_fail(partinfo != NULL);
1982
1983         if (get_part_name(partinfo) == NULL) {
1984                 return;
1985         }
1986         partname = g_strdup(get_part_name(partinfo));
1987
1988         if (!g_utf8_validate(partname, -1, NULL)) {
1989                 gchar *tmp = conv_filename_to_utf8(partname);
1990                 if (!tmp) {
1991                         tmp = conv_codeset_strdup(partname,
1992                                 conv_get_locale_charset_str(),
1993                                 CS_UTF_8);
1994                 }
1995                 if (tmp) {
1996                         g_free(partname);
1997                         partname = tmp;
1998                 }
1999         }
2000
2001         subst_for_filename(partname);
2002
2003         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
2004                 filepath = g_strconcat(prefs_common.attach_save_dir,
2005                                        G_DIR_SEPARATOR_S, partname, NULL);
2006         else
2007                 filepath = g_strdup(partname);
2008
2009         g_free(partname);
2010
2011         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
2012         filename = filesel_select_file_save(_("Save as"), filepath);
2013         if (!filename) {
2014                 g_free(filepath);
2015                 return;
2016         }
2017
2018         mimeview_write_part(filename, partinfo);
2019
2020         filedir = g_path_get_dirname(filename);
2021         if (filedir && strcmp(filedir, ".")) {
2022                 g_free(prefs_common.attach_save_dir);
2023                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2024         }
2025
2026         g_free(filedir);
2027         g_free(filepath);
2028 }
2029
2030 static void mimeview_display_as_text(MimeView *mimeview)
2031 {
2032         MimeInfo *partinfo;
2033
2034         if (!mimeview->opened) return;
2035
2036         partinfo = mimeview_get_part_to_use(mimeview);
2037         mimeview_select_mimepart_icon(mimeview, partinfo);
2038         cm_return_if_fail(partinfo != NULL);
2039         mimeview_show_message_part(mimeview, partinfo);
2040 }
2041
2042 static void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2043 {
2044         gchar *filename;
2045         gint err;
2046
2047         if (!mimeview->opened) return;
2048         if (!mimeview->file) return;
2049
2050         if (!partinfo)
2051                 partinfo = mimeview_get_part_to_use(mimeview);
2052
2053         cm_return_if_fail(partinfo != NULL);
2054
2055         filename = procmime_get_tmp_file_name(partinfo);
2056
2057         if ((err = procmime_get_part(filename, partinfo)) < 0)
2058                 alertpanel_error
2059                         (_("Couldn't save the part of multipart message: %s"),
2060                                 strerror(-err));
2061         else
2062                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2063
2064         g_free(filename);
2065 }
2066
2067 #ifndef G_OS_WIN32
2068 static void mimeview_open_with(MimeView *mimeview)
2069 {
2070         MimeInfo *partinfo;
2071
2072         if (!mimeview) return;
2073         if (!mimeview->opened) return;
2074         if (!mimeview->file) return;
2075
2076         partinfo = mimeview_get_part_to_use(mimeview);
2077
2078         mimeview_open_part_with(mimeview, partinfo, FALSE);
2079 }
2080
2081 #ifdef MAEMO
2082 osso_context_t *get_osso_context(void);
2083 #endif
2084 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2085 {
2086         gchar *filename;
2087         gchar *cmd;
2088         gchar *mime_command = NULL;
2089         gchar *content_type = NULL;
2090         gint err;
2091 #ifdef MAEMO
2092         DBusConnection *dbusconn;
2093         gchar *uri;
2094         int r = 0;
2095 #endif
2096         cm_return_if_fail(partinfo != NULL);
2097
2098         filename = procmime_get_tmp_file_name(partinfo);
2099
2100         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2101                 alertpanel_error
2102                         (_("Couldn't save the part of multipart message: %s"),
2103                                 strerror(-err));
2104                 g_free(filename);
2105                 return;
2106         }
2107
2108         if (!prefs_common.mime_open_cmd_history)
2109                 prefs_common.mime_open_cmd_history =
2110                         add_history(NULL, prefs_common.mime_open_cmd);
2111
2112         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2113             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2114                 /* guess content-type from filename */
2115                 content_type = procmime_get_mime_type(filename);
2116         }
2117         if (content_type == NULL) {
2118                 content_type = procmime_get_content_type_str(partinfo->type,
2119                         partinfo->subtype);
2120         }
2121
2122 #ifdef MAEMO
2123         if (content_type != NULL) {
2124                 uri = g_filename_to_uri(filename, NULL, NULL);
2125                 dbusconn = osso_get_dbus_connection (get_osso_context());
2126 #ifdef CHINOOK
2127                 r = hildon_mime_open_file_with_mime_type (dbusconn, uri, content_type);
2128 #else
2129                 r = osso_mime_open_file_with_mime_type (dbusconn, uri, content_type);
2130 #endif
2131                 g_free(uri);
2132         }
2133         if (r != 1) {
2134                 alertpanel_error(_("No registered viewer for this file type."));
2135         }
2136         goto out;
2137 #endif
2138
2139         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2140         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2141                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2142                 g_free(content_type);
2143                 content_type = NULL;
2144         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2145         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2146                 mime_command = mailcap_get_command_for_type(content_type, filename);
2147         } else {
2148                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2149                 g_free(content_type);
2150                 content_type = NULL;
2151         }
2152         if (mime_command == NULL) {
2153                 /* try with extension this time */
2154                 g_free(content_type);
2155                 content_type = procmime_get_mime_type(filename);
2156                 mime_command = mailcap_get_command_for_type(content_type, filename);
2157         }
2158
2159         if (mime_command == NULL)
2160                 automatic = FALSE;
2161
2162         if (!automatic) {
2163                 gboolean remember = FALSE;
2164                 if (content_type != NULL)
2165                         cmd = input_dialog_combo_remember
2166                                 (_("Open with"),
2167                                  _("Enter the command-line to open file:\n"
2168                                    "('%s' will be replaced with file name)"),
2169                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2170                                  prefs_common.mime_open_cmd_history, &remember);
2171                 else
2172                         cmd = input_dialog_combo
2173                                 (_("Open with"),
2174                                  _("Enter the command-line to open file:\n"
2175                                    "('%s' will be replaced with file name)"),
2176                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2177                                  prefs_common.mime_open_cmd_history);
2178                 if (cmd && remember) {
2179                         mailcap_update_default(content_type, cmd);
2180                 }
2181                 g_free(mime_command);
2182         } else {
2183                 cmd = mime_command;
2184         }
2185         if (cmd) {
2186                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2187                 g_free(prefs_common.mime_open_cmd);
2188                 prefs_common.mime_open_cmd = cmd;
2189                 prefs_common.mime_open_cmd_history =
2190                         add_history(prefs_common.mime_open_cmd_history, cmd);
2191         }
2192 #ifdef MAEMO
2193 out:
2194 #endif
2195         g_free(content_type);
2196         g_free(filename);
2197 }
2198 #endif
2199
2200 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2201 {
2202         GList *attach_file = NULL;
2203         AttachInfo *ainfo = NULL;
2204         gchar *filename;
2205         gint err;
2206
2207         if (!mimeview->opened) return;
2208         if (!mimeview->file) return;
2209
2210         cm_return_if_fail(partinfo != NULL);
2211
2212         filename = procmime_get_tmp_file_name(partinfo);
2213
2214         if (!(err = procmime_get_part(filename, partinfo))) {
2215                 ainfo = g_new0(AttachInfo, 1);
2216                 ainfo->file = filename;
2217                 ainfo->name = g_strdup(get_part_name(partinfo));
2218                 ainfo->content_type = procmime_get_content_type_str(
2219                                         partinfo->type, partinfo->subtype);
2220                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2221                                         partinfo, "charset"));
2222                 attach_file = g_list_append(attach_file, ainfo);
2223
2224                 compose_new(NULL, NULL, attach_file);
2225
2226                 g_free(ainfo->name);
2227                 g_free(ainfo->content_type);
2228                 g_free(ainfo->charset);
2229                 g_free(ainfo);
2230                 g_list_free(attach_file);
2231         } else
2232                 alertpanel_error
2233                         (_("Couldn't save the part of multipart message: %s"),
2234                                 strerror(-err));
2235         g_free(filename);
2236 }
2237
2238 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2239                                const gchar *cmd, MimeView *mimeview)
2240 {
2241 #ifndef G_OS_WIN32
2242         gchar *p;
2243         gchar buf[BUFFSIZE];
2244         if (cmd == NULL)
2245                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2246         else {
2247                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2248                     !strchr(p + 2, '%')) {
2249                         g_snprintf(buf, sizeof(buf), cmd, filename);
2250                         if (!prefs_common.save_parts_readwrite)
2251                                 g_chmod(filename, S_IRUSR);
2252                         else
2253                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2254                 } else {
2255                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2256                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2257                 }
2258                 if (execute_command_line(buf, TRUE) != 0) {
2259                         if (!prefs_common.save_parts_readwrite)
2260                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2261                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2262                 }
2263         }
2264 #else
2265         SHFILEINFO file_info;
2266         if ((SHGetFileInfo(filename, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2267                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2268                                       _("This attachment is an executable file. Executing "
2269                                         "untrusted binaries is dangerous and could probably "
2270                                         "lead to compromission of your computer.\n\n"
2271                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2272                                         _("Run binary"),
2273                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2274                 if (val == G_ALERTALTERNATE) {
2275                         debug_print("executing binary\n");
2276                         ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2277                 }
2278         } else
2279                 ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2280
2281 #endif
2282 }
2283
2284 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2285 {
2286         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2287 }
2288
2289 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2290 {
2291         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2292 }
2293
2294 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2295 {
2296         GSList *mimeview_list, *viewer_list;
2297
2298         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2299                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2300
2301                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2302                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2303                         mimeview->mimeviewer = NULL;
2304                 }
2305
2306                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2307                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2308
2309                         mimeviewer->destroy_viewer(mimeviewer);
2310                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2311                 }
2312         }
2313
2314         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2315 }
2316
2317 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2318 {
2319         gint      num;
2320         MimeInfo *partinfo;
2321
2322         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2323         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2324
2325         if (event->button == 1) {
2326                 icon_selected(mimeview, num, partinfo);
2327                 gtk_widget_grab_focus(button);
2328                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2329         }
2330         part_button_pressed(mimeview, event, partinfo);
2331
2332         return FALSE;
2333 }
2334
2335 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2336 {
2337         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2338         GtkTreeIter iter;
2339         GtkTreePath *path;
2340         MimeInfo *curr = NULL;
2341
2342         gtk_tree_model_get_iter_first(model, &iter);
2343         path = gtk_tree_model_get_path(model, &iter);
2344
2345         do {
2346                 gtk_tree_model_get_iter(model, &iter, path);
2347                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2348                 if (curr == partinfo) {
2349                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2350                                                 GTK_TREE_VIEW(mimeview->ctree));
2351                         gtk_tree_selection_select_iter(sel, &iter);
2352                         gtk_tree_path_free(path);
2353                         return;
2354                 }
2355         } while (mimeview_tree_next(model, path));
2356
2357         gtk_tree_path_free(path);
2358 }
2359
2360 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2361 {
2362         icon_list_toggle_by_mime_info(mimeview, partinfo);
2363         icon_selected(mimeview, -1, partinfo);
2364 }
2365
2366 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2367                              MimeView *mimeview)
2368 {
2369         gint          num;
2370         MimeInfo     *partinfo;
2371         SummaryView  *summaryview;
2372         TextView     *textview;
2373
2374         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2375         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2376
2377         if (!event) return FALSE;
2378
2379         textview = mimeview->textview;
2380
2381         switch (event->keyval) {
2382         case GDK_KEY_space:
2383                 if (mimeview_scroll_page(mimeview, FALSE))
2384                         return TRUE;
2385
2386                 mimeview_select_next_part(mimeview);
2387                 return TRUE;
2388
2389                 break;
2390         case GDK_KEY_BackSpace:
2391                 mimeview_scroll_page(mimeview, TRUE);
2392                 return TRUE;
2393         case GDK_KEY_Return:
2394         case GDK_KEY_KP_Enter:
2395                 mimeview_scroll_one_line(mimeview,
2396                                          (event->state & GDK_MOD1_MASK) != 0);
2397                 return TRUE;
2398         case GDK_KEY_y:
2399                 BREAK_ON_MODIFIER_KEY();
2400                 mimeview_save_as(mimeview);
2401                 return TRUE;
2402         case GDK_KEY_t:
2403                 BREAK_ON_MODIFIER_KEY();
2404                 mimeview_display_as_text(mimeview);
2405                 return TRUE;
2406         case GDK_KEY_l:
2407                 BREAK_ON_MODIFIER_KEY();
2408                 mimeview_launch(mimeview, NULL);
2409                 return TRUE;
2410 #ifndef G_OS_WIN32
2411         case GDK_KEY_o:
2412                 BREAK_ON_MODIFIER_KEY();
2413                 mimeview_open_with(mimeview);
2414                 return TRUE;
2415 #endif
2416         case GDK_KEY_c:
2417                 BREAK_ON_MODIFIER_KEY();
2418                 mimeview_check_signature(mimeview);
2419                 return TRUE;
2420         case GDK_KEY_a:
2421                 BREAK_ON_MODIFIER_KEY();
2422                 mimeview_select_next_part(mimeview);
2423                 return TRUE;
2424         default:
2425                 break;
2426         }
2427
2428         if (!mimeview->messageview->mainwin) return FALSE;
2429         summaryview = mimeview->messageview->mainwin->summaryview;
2430         return summary_pass_key_press_event(summaryview, event);
2431 }
2432
2433 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2434 {
2435         MimeView *mimeview = (MimeView *)data;
2436         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2437
2438         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2439                           "pop_partinfo", partinfo);
2440         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2441                        NULL, NULL, NULL, NULL,
2442                        0, gtk_get_current_event_time());
2443         return TRUE;
2444 }
2445
2446 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2447 {
2448         GtkWidget *pixmap = NULL;
2449         GtkWidget *vbox;
2450         GtkWidget *button;
2451         gchar *tip;
2452         gchar *tiptmp;
2453         const gchar *desc = NULL;
2454         gchar *sigshort = NULL;
2455         gchar *content_type;
2456         StockPixmap stockp;
2457         MimeInfo *partinfo;
2458         MimeInfo *siginfo = NULL;
2459         MimeInfo *encrypted = NULL;
2460 #ifdef GENERIC_UMPC
2461         GtkRequisition r;
2462 #endif
2463 #if !(GTK_CHECK_VERSION(2,12,0))
2464         GtkTooltips *tips = mimeview->tooltips;
2465 #endif
2466
2467         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2468                 return;
2469
2470         vbox = mimeview->icon_vbox;
2471         mimeview->icon_count++;
2472         button = gtk_event_box_new();
2473
2474         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2475                          G_CALLBACK(mimeview_visi_notify), mimeview);
2476         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2477                          G_CALLBACK(mimeview_leave_notify), mimeview);
2478         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2479                          G_CALLBACK(mimeview_enter_notify), mimeview);
2480
2481         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2482         g_object_set_data(G_OBJECT(button), "icon_number",
2483                           GINT_TO_POINTER(mimeview->icon_count));
2484         g_object_set_data(G_OBJECT(button), "partinfo",
2485                           mimeinfo);
2486
2487         switch (mimeinfo->type) {
2488
2489         case MIMETYPE_TEXT:
2490                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2491                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2492                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2493                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2494                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2495                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2496                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2497                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2498                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2499                 else
2500                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2501                 break;
2502         case MIMETYPE_MESSAGE:
2503                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2504                 break;
2505         case MIMETYPE_APPLICATION:
2506                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2507                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2508                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2509                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2510                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2511                         stockp = STOCK_PIXMAP_MIME_PDF;
2512                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2513                         stockp = STOCK_PIXMAP_MIME_PS;
2514                 else
2515                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2516                 break;
2517         case MIMETYPE_IMAGE:
2518                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2519                 break;
2520         case MIMETYPE_AUDIO:
2521                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2522                 break;
2523         default:
2524                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2525                 break;
2526         }
2527
2528         partinfo = mimeinfo;
2529         while (partinfo != NULL) {
2530                 if (privacy_mimeinfo_is_signed(partinfo)) {
2531                         siginfo = partinfo;
2532                         break;
2533                 }
2534                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2535                         encrypted = partinfo;
2536                         break;
2537                 }
2538                 partinfo = procmime_mimeinfo_parent(partinfo);
2539         }
2540
2541         if (siginfo != NULL) {
2542                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2543                 case SIGNATURE_UNCHECKED:
2544                 case SIGNATURE_CHECK_FAILED:
2545                 case SIGNATURE_CHECK_TIMEOUT:
2546                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2547                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2548                         break;
2549                 case SIGNATURE_OK:
2550                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2551                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2552                         break;
2553                 case SIGNATURE_WARN:
2554                 case SIGNATURE_KEY_EXPIRED:
2555                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2556                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2557                         break;
2558                 case SIGNATURE_INVALID:
2559                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2560                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2561                         break;
2562                 }
2563                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2564         } else if (encrypted != NULL) {
2565                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2566                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2567         } else {
2568                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2569                                                           OVERLAY_NONE, 6, 3);
2570         }
2571         gtk_container_add(GTK_CONTAINER(button), pixmap);
2572         if (!desc) {
2573                 if (prefs_common.attach_desc)
2574                         desc = get_part_description(mimeinfo);
2575                 else
2576                         desc = get_part_name(mimeinfo);
2577         }
2578
2579         content_type = procmime_get_content_type_str(mimeinfo->type,
2580                                                      mimeinfo->subtype);
2581
2582         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2583                           "\n<b>", _("Size:"), " </b>",
2584                           to_human_readable((goffset)mimeinfo->length), NULL);
2585         g_free(content_type);
2586         if (desc && *desc) {
2587                 gchar *tmp = NULL;
2588                 if (!g_utf8_validate(desc, -1, NULL)) {
2589                         tmp = conv_filename_to_utf8(desc);
2590                 } else {
2591                         tmp = g_strdup(desc);
2592                 }
2593                 tiptmp = g_strconcat(tip, "\n<b>",
2594                                 prefs_common.attach_desc && mimeinfo->description ?
2595                                 _("Description:") : _("Filename:"),
2596                                 " </b>", tmp, NULL);
2597                 g_free(tip);
2598                 tip = tiptmp;
2599                 g_free(tmp);
2600         }
2601         if (sigshort && *sigshort) {
2602                 tiptmp = g_strjoin("\n", tip, g_markup_escape_text(sigshort, -1), NULL);
2603                 g_free(tip);
2604                 tip = tiptmp;
2605         }
2606         g_free(sigshort);
2607
2608         gtk_widget_set_tooltip_markup(button, tip);
2609         g_free(tip);
2610         gtk_widget_show_all(button);
2611         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2612                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2613 #ifndef MAEMO
2614         g_signal_connect(G_OBJECT(button), "popup-menu",
2615                          G_CALLBACK(icon_popup_menu), mimeview);
2616 #else
2617         gtk_widget_tap_and_hold_setup(GTK_WIDGET(button), NULL, NULL,
2618                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
2619         g_signal_connect(G_OBJECT(button), "tap-and-hold",
2620                          G_CALLBACK(icon_popup_menu), mimeview);
2621 #endif
2622         g_signal_connect(G_OBJECT(button), "button_release_event",
2623                          G_CALLBACK(icon_clicked_cb), mimeview);
2624         g_signal_connect(G_OBJECT(button), "key_press_event",
2625                          G_CALLBACK(icon_key_pressed), mimeview);
2626         g_signal_connect(G_OBJECT(button), "drag_data_get",
2627                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2628         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2629 #ifdef GENERIC_UMPC
2630         gtk_widget_size_request(pixmap, &r);
2631         gtk_widget_set_size_request(button, -1, r.height + 4);
2632 #endif
2633
2634 }
2635
2636 static void icon_list_clear (MimeView *mimeview)
2637 {
2638         GList     *child, *orig;
2639         GtkAdjustment *adj;
2640
2641         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2642         for (child = orig; child != NULL; child = g_list_next(child)) {
2643                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2644                                        GTK_WIDGET(child->data));
2645         }
2646         g_list_free(orig);
2647         mimeview->icon_count = 0;
2648         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2649         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2650         gtk_adjustment_changed(adj);
2651 }
2652
2653 /*!
2654  *\brief        Used to 'click' the next or previous icon.
2655  *
2656  *\return       true if the icon 'number' exists and was selected.
2657  */
2658 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2659                                          GtkAllocation *size, MimeView *mimeview)
2660 {
2661         GtkAllocation vbox_size;
2662         GtkAllocation layout_size;
2663         GtkAdjustment *adj;
2664         guint width;
2665         guint height;
2666
2667         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2668
2669         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2670         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2671
2672         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2673         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2674                             width,
2675                             MAX(vbox_size.height, layout_size.height));
2676         gtk_adjustment_set_step_increment(adj, 10);
2677 }
2678
2679 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2680 {
2681         GtkRequisition size;
2682         GtkRequisition requisition;
2683
2684         cm_return_if_fail(mimeinfo != NULL);
2685
2686         while (mimeinfo != NULL) {
2687                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2688                         icon_list_append_icon(mimeview, mimeinfo);
2689                 if (mimeinfo->node->children != NULL)
2690                         icon_list_create(mimeview,
2691                                 (MimeInfo *) mimeinfo->node->children->data);
2692                 mimeinfo = mimeinfo->node->next != NULL
2693                          ? (MimeInfo *) mimeinfo->node->next->data
2694                          : NULL;
2695         }
2696         gtk_widget_size_request(mimeview->icon_vbox, &size);
2697         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2698         if (size.width > requisition.width) {
2699                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2700                                             size.width, -1);
2701         }
2702 }
2703
2704 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2705                                            MimeInfo     *mimeinfo)
2706 {
2707         GList *child;
2708
2709         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2710         for (; child != NULL; child = g_list_next(child)) {
2711                 if (!GTK_IS_EVENT_BOX(child->data))
2712                         continue;
2713                 if(g_object_get_data(G_OBJECT(child->data),
2714                                       "partinfo") == (gpointer)mimeinfo) {
2715                         gboolean *highlight = NULL;
2716                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2717                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2718                         *highlight = TRUE;
2719                         gtk_widget_queue_draw(icon);
2720                 } else {
2721                         gint *highlight = NULL;
2722                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2723                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2724                         *highlight = FALSE;
2725                         gtk_widget_queue_draw(icon);
2726                 }
2727         }
2728 }
2729
2730 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2731                                     MimeView *mimeview)
2732 {
2733         prefs_common.mimeview_tree_height = allocation->height;
2734 }
2735
2736 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2737                                     MimeView *mimeview)
2738 {
2739         g_object_ref(button);
2740
2741         mimeview_leave_notify(button, NULL, NULL);
2742
2743         mimeview->ctree_mode = !mimeview->ctree_mode;
2744         if (mimeview->ctree_mode) {
2745                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2746                                         GTK_SHADOW_NONE);
2747                 gtk_widget_hide(mimeview->icon_mainbox);
2748                 gtk_widget_show(mimeview->ctree_mainbox);
2749                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2750                                         prefs_common.mimeview_tree_height);
2751
2752                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2753                                         button);
2754                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2755                                    button, FALSE, FALSE, 0);
2756         } else {
2757                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2758                               GTK_SHADOW_NONE);
2759                 gtk_widget_hide(mimeview->ctree_mainbox);
2760                 gtk_widget_show(mimeview->icon_mainbox);
2761                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2762
2763                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2764                                         button);
2765                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2766                                    button, FALSE, FALSE, 0);
2767                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2768                 if (mimeview->opened)
2769                         icon_list_toggle_by_mime_info(mimeview,
2770                                         mimeview_get_node_part(mimeview, mimeview->opened));
2771                 summary_grab_focus(mimeview->mainwin->summaryview);
2772         }
2773         g_object_unref(button);
2774         return TRUE;
2775 }
2776
2777 void mimeview_update (MimeView *mimeview) {
2778         if (mimeview && mimeview->mimeinfo) {
2779                 icon_list_clear(mimeview);
2780                 icon_list_create(mimeview, mimeview->mimeinfo);
2781         }
2782 }
2783
2784 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2785 {
2786         MessageView *msgview = NULL;
2787         MainWindow *mainwin = NULL;
2788
2789         if (!cmd)
2790                 return;
2791
2792         msgview = mimeview->messageview;
2793         if (!msgview)
2794                 return;
2795
2796         mainwin = msgview->mainwin;
2797         if (!mainwin)
2798                 return;
2799
2800         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2801                           "pop_partinfo", NULL);
2802
2803         if (!strcmp(cmd, "sc://view_log"))
2804                 log_window_show(mainwin->logwin);
2805         else if (!strcmp(cmd, "sc://save_as"))
2806                 mimeview_save_as(mimeview);
2807         else if (!strcmp(cmd, "sc://display_as_text"))
2808                 mimeview_display_as_text(mimeview);
2809 #ifndef G_OS_WIN32
2810         else if (!strcmp(cmd, "sc://open_with"))
2811                 mimeview_open_with(mimeview);
2812 #endif
2813         else if (!strcmp(cmd, "sc://open"))
2814                 mimeview_launch(mimeview, NULL);
2815         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2816                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2817                 icon_selected(mimeview, -1, (MimeInfo *)data);
2818         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2819                 mimeview_launch(mimeview, (MimeInfo *)data);
2820         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2821                 mimeview->spec_part = (MimeInfo *)data;
2822                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2823         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2824                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2825                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2826                 gtk_toggle_button_set_active(
2827                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2828                                 TRUE);
2829                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2830                                 QUICK_SEARCH_EXTENDED, buf);
2831                 g_free(buf);
2832         }
2833 }
2834
2835 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2836 {
2837         if (mimeview->type == MIMEVIEW_TEXT)
2838                 return textview_scroll_page(mimeview->textview, up);
2839         else if (mimeview->mimeviewer) {
2840                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2841                 if (mimeviewer->scroll_page)
2842                         return mimeviewer->scroll_page(mimeviewer, up);
2843         }
2844         return TRUE;
2845 }
2846
2847 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2848 {
2849         if (mimeview->type == MIMEVIEW_TEXT)
2850                 textview_scroll_one_line(mimeview->textview, up);
2851         else if (mimeview->mimeviewer) {
2852                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2853                 if (mimeviewer->scroll_one_line)
2854                         mimeviewer->scroll_one_line(mimeviewer, up);
2855         }
2856 }