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 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtk.h>
  30 #include <stdio.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33
  34 #ifndef HAVE_APACHE_FNMATCH
  35 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  36  * fnmatch.h */
  37 #include <fnmatch.h>
  38 #endif
  39
  40 #include "main.h"
  41 #include "mimeview.h"
  42 #include "textview.h"
  43 #include "procmime.h"
  44 #include "summaryview.h"
  45 #include "menu.h"
  46 #include "filesel.h"
  47 #include "alertpanel.h"
  48 #include "inputdialog.h"
  49 #include "utils.h"
  50 #include "gtkutils.h"
  51 #include "prefs_common.h"
  52 #include "procheader.h"
  53 #include "stock_pixmap.h"
  54 #include "gtk/gtkvscrollbutton.h"
  55 #include "gtk/logwindow.h"
  56 #include "timing.h"
  57
  58 #ifdef MAEMO
  59 #include <libosso.h>
  60 #ifndef CHINOOK
  61 #include <osso-mime.h>
  62 #else
  63 #include <hildon-mime.h>
  64 #endif
  65 #endif
  66
  67 typedef enum
  68 {
  69         COL_MIMETYPE = 0,
  70         COL_SIZE     = 1,
  71         COL_NAME     = 2,
  72         COL_DATA     = 3,
  73 } MimeViewColumnPos;
  74
  75 #define N_MIMEVIEW_COLS 4
  76
  77 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  78                                                  MimeInfo       *mimeinfo,
  79                                                  GtkTreeIter    *parent);
  80 static void mimeview_show_message_part          (MimeView       *mimeview,
  81                                                  MimeInfo       *partinfo);
  82 static void mimeview_change_view_type           (MimeView       *mimeview,
  83                                                  MimeViewType    type);
  84 static gchar *mimeview_get_filename_for_part            (MimeInfo       *partinfo,
  85                                                  const gchar    *basedir,
  86                                                  gint            number);
  87 static gboolean mimeview_write_part             (const gchar    *filename,
  88                                                  MimeInfo       *partinfo);
  89
  90 static void mimeview_selected           (GtkTreeSelection       *selection,
  91                                          MimeView       *mimeview);
  92 static gint mimeview_button_pressed     (GtkWidget      *widget,
  93                                          GdkEventButton *event,
  94                                          MimeView       *mimeview);
  95 static gint mimeview_key_pressed        (GtkWidget      *widget,
  96                                          GdkEventKey    *event,
  97                                          MimeView       *mimeview);
  98
  99 static void mimeview_drag_data_get      (GtkWidget        *widget,
 100                                          GdkDragContext   *drag_context,
 101                                          GtkSelectionData *selection_data,
 102                                          guint             info,
 103                                          guint             time,
 104                                          MimeView         *mimeview);
 105
 106 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 107                                          GdkEventScroll *event,
 108                                          MimeView       *mimeview);
 109 static void mimeview_display_as_text    (MimeView       *mimeview);
 110 static void mimeview_save_as            (MimeView       *mimeview);
 111 static void mimeview_save_all           (MimeView       *mimeview);
 112 static void mimeview_launch             (MimeView       *mimeview,
 113                                          MimeInfo       *partinfo);
 114 #ifndef G_OS_WIN32
 115 static void mimeview_open_with          (MimeView       *mimeview);
 116 static void mimeview_open_part_with     (MimeView       *mimeview,
 117                                          MimeInfo       *partinfo,
 118                                          gboolean        automatic);
 119 #endif
 120 static void mimeview_send_to            (MimeView       *mimeview,
 121                                          MimeInfo       *partinfo);
 122 static void mimeview_select_next_part   (MimeView       *mimeview);
 123 static void mimeview_select_prev_part   (MimeView       *mimeview);
 124 static void mimeview_view_file          (const gchar    *filename,
 125                                          MimeInfo       *partinfo,
 126                                          const gchar    *cmd,
 127                                          MimeView       *mimeview);
 128 static gboolean icon_clicked_cb         (GtkWidget      *button,
 129                                          GdkEventButton *event,
 130                                          MimeView       *mimeview);
 131 static void icon_selected               (MimeView       *mimeview,
 132                                          gint            num,
 133                                          MimeInfo       *partinfo);
 134 static gint icon_key_pressed            (GtkWidget      *button,
 135                                          GdkEventKey    *event,
 136                                          MimeView       *mimeview);
 137 static void icon_list_append_icon       (MimeView       *mimeview,
 138                                          MimeInfo       *mimeinfo);
 139 static void icon_list_create            (MimeView       *mimeview,
 140                                          MimeInfo       *mimeinfo);
 141 static void icon_list_clear             (MimeView       *mimeview);
 142 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 143                                            MimeInfo     *mimeinfo);
 144 static void ctree_size_allocate_cb      (GtkWidget      *widget,
 145                                          GtkAllocation  *allocation,
 146                                          MimeView       *mimeview);
 147 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 148                                     MimeView *mimeview);
 149 static gboolean part_button_pressed     (MimeView       *mimeview,
 150                                          GdkEventButton *event,
 151                                          MimeInfo       *partinfo);
 152 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 153                                          GtkAllocation  *layout_size,
 154                                          MimeView       *mimeview);
 155 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 156 static const gchar *get_part_name(MimeInfo *partinfo);
 157 static const gchar *get_part_description(MimeInfo *partinfo);
 158
 159 static void mimeview_launch_cb(GtkAction *action, gpointer data)
 160 {
 161         MimeView *mimeview = (MimeView *)data;
 162         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 163 }
 164
 165 #ifndef G_OS_WIN32
 166 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
 167 {
 168         mimeview_open_with((MimeView *)data);
 169 }
 170 #endif
 171
 172 static void mimeview_send_to_cb(GtkAction *action, gpointer data)
 173 {
 174         MimeView *mimeview = (MimeView *)data;
 175         mimeview_send_to(mimeview, mimeview_get_part_to_use(mimeview));
 176 }
 177
 178 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
 179 {
 180         mimeview_display_as_text((MimeView *)data);
 181 }
 182
 183 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
 184 {
 185         mimeview_save_as((MimeView *)data);
 186 }
 187
 188 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
 189 {
 190         mimeview_save_all((MimeView *)data);
 191 }
 192
 193 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
 194 {
 195         mimeview_select_next_part((MimeView *)data);
 196 }
 197
 198 static void mimeview_select_prev_part_cb(GtkAction *action, gpointer data)
 199 {
 200         mimeview_select_prev_part((MimeView *)data);
 201 }
 202
 203 static GtkActionEntry mimeview_menu_actions[] = {
 204         { "MimeView", NULL, "MimeView" },
 205         { "MimeView/Open", NULL, N_("_Open (l)"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
 206 #if (!defined MAEMO && !defined G_OS_WIN32)
 207         { "MimeView/OpenWith", NULL, N_("Open _with (o)..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
 208 #endif
 209         { "MimeView/SendTo", NULL, N_("Send to..."), NULL, "Send to", G_CALLBACK(mimeview_send_to_cb) },
 210         { "MimeView/DisplayAsText", NULL, N_("_Display as text (t)"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
 211         { "MimeView/SaveAs", NULL, N_("_Save as (y)..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
 212         { "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
 213         { "MimeView/NextPart", NULL, N_("Next part (a)"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) },
 214         { "MimeView/PrevPart", NULL, N_("Previous part (z)"), NULL, "Previous part", G_CALLBACK(mimeview_select_prev_part_cb) }
 215 };
 216
 217 static GtkTargetEntry mimeview_mime_types[] =
 218 {
 219         {"text/uri-list", 0, 0}
 220 };
 221
 222 GSList *mimeviewer_factories;
 223 GSList *mimeviews;
 224
 225 static GdkCursor *hand_cursor = NULL;
 226
 227 static gboolean mimeview_visi_notify(GtkWidget *widget,
 228                                        GdkEventVisibility *event,
 229                                        MimeView *mimeview)
 230 {
 231         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 232         return FALSE;
 233 }
 234
 235 static gboolean mimeview_leave_notify(GtkWidget *widget,
 236                                       GdkEventCrossing *event,
 237                                       MimeView *mimeview)
 238 {
 239         gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
 240         return FALSE;
 241 }
 242
 243 static gboolean mimeview_enter_notify(GtkWidget *widget,
 244                                       GdkEventCrossing *event,
 245                                       MimeView *mimeview)
 246 {
 247         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 248         return FALSE;
 249 }
 250
 251 MimeView *mimeview_create(MainWindow *mainwin)
 252 {
 253         MimeView *mimeview;
 254
 255         GtkWidget *paned;
 256         GtkWidget *scrolledwin;
 257         GtkWidget *ctree;
 258         GtkWidget *mime_notebook;
 259         GtkWidget *popupmenu;
 260         GtkWidget *ctree_mainbox;
 261         GtkWidget *vbox;
 262         GtkWidget *mime_toggle;
 263         GtkWidget *icon_mainbox;
 264         GtkWidget *icon_scroll;
 265         GtkWidget *icon_vbox;
 266         GtkWidget *arrow;
 267         GtkWidget *scrollbutton;
 268         GtkWidget *hbox;
 269         NoticeView *siginfoview;
 270         GtkRequisition r;
 271         GtkTreeStore *model;
 272         GtkCellRenderer *renderer;
 273         GtkTreeViewColumn *column;
 274         GtkTreeSelection *selection;
 275
 276         gchar *titles[N_MIMEVIEW_COLS];
 277         gint cols;
 278
 279         if (!hand_cursor)
 280                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 281
 282         debug_print("Creating MIME view...\n");
 283         mimeview = g_new0(MimeView, 1);
 284
 285         titles[COL_MIMETYPE] = _("MIME Type");
 286         titles[COL_SIZE]     = _("Size");
 287         titles[COL_NAME]     = _("Name");
 288
 289         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 290         gtk_widget_show(scrolledwin);
 291         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 292                                        GTK_POLICY_AUTOMATIC,
 293                                        GTK_POLICY_AUTOMATIC);
 294
 295         model = gtk_tree_store_new(N_MIMEVIEW_COLS,
 296                                    G_TYPE_STRING,
 297                                    G_TYPE_STRING,
 298                                    G_TYPE_STRING,
 299                                    G_TYPE_POINTER);
 300
 301         ctree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
 302         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
 303         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(ctree),
 304                                         prefs_common.use_stripes_everywhere);
 305         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
 306                                         prefs_common.show_col_headers);
 307
 308         renderer = gtk_cell_renderer_text_new();
 309         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 310                                         -1, titles[COL_MIMETYPE],renderer,
 311                                         "text", COL_MIMETYPE, NULL);
 312         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 313
 314         renderer = gtk_cell_renderer_text_new();
 315 #if(GTK_CHECK_VERSION(2,18,0))
 316         gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
 317 #endif
 318         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 319                                         -1, titles[COL_SIZE], renderer,
 320                                         "text", COL_SIZE, NULL);
 321         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 322         gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
 323
 324         renderer = gtk_cell_renderer_text_new();
 325         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 326                                         -1, titles[COL_NAME], renderer,
 327                                         "text", COL_NAME, NULL);
 328         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 329         gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
 330
 331         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
 332         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 333
 334         gtk_widget_show(ctree);
 335         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 336         gtk_drag_source_set(ctree, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
 337                             mimeview_mime_types, 1, GDK_ACTION_COPY);
 338
 339         g_signal_connect(G_OBJECT(selection), "changed",
 340                          G_CALLBACK(mimeview_selected), mimeview);
 341         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 342                          G_CALLBACK(mimeview_button_pressed), mimeview);
 343         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 344                          G_CALLBACK(mimeview_key_pressed), mimeview);
 345         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 346                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 347
 348         mime_notebook = gtk_notebook_new();
 349         gtk_widget_show(mime_notebook);
 350         gtkut_widget_set_can_focus(mime_notebook, FALSE);
 351         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 352         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 353
 354         icon_vbox = gtk_vbox_new(FALSE, 2);
 355         gtk_widget_show(icon_vbox);
 356         icon_scroll = gtk_layout_new(NULL, NULL);
 357         gtk_widget_show(icon_scroll);
 358         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 359         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 360         gtk_widget_show(scrollbutton);
 361
 362         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 363                          G_CALLBACK(mimeview_scrolled), mimeview);
 364
 365         mime_toggle = gtk_event_box_new();
 366         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 367
 368         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 369                          G_CALLBACK(mimeview_visi_notify), mimeview);
 370         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 371                          G_CALLBACK(mimeview_leave_notify), mimeview);
 372         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 373                          G_CALLBACK(mimeview_enter_notify), mimeview);
 374
 375         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 376         gtk_widget_show(mime_toggle);
 377         mimeview->ctree_mode = FALSE;
 378         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 379         gtk_widget_show(arrow);
 380         gtk_widget_size_request(arrow, &r);
 381         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 382         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 383                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 384
 385         icon_mainbox = gtk_vbox_new(FALSE, 0);
 386         gtk_widget_show(icon_mainbox);
 387         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 388         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 389         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 390         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 391         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 392                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 393
 394         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 395         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 396         g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
 397                          G_CALLBACK(ctree_size_allocate_cb), mimeview);
 398
 399         mimeview->ui_manager = gtk_ui_manager_new();
 400         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 401                         "MimeView", mimeview_menu_actions,
 402                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 403
 404         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 405         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 406                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 407         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 408                         "/Menus/MimeView/", "Open", "MimeView/Open",
 409                         GTK_UI_MANAGER_MENUITEM);
 410 #if (!defined MAEMO && !defined G_OS_WIN32)
 411         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 412                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 413                         GTK_UI_MANAGER_MENUITEM);
 414 #endif
 415         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 416                         "/Menus/MimeView/", "SendTo", "MimeView/SendTo",
 417                         GTK_UI_MANAGER_MENUITEM);
 418         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 419                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 420                         GTK_UI_MANAGER_MENUITEM);
 421         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 422                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 423                         GTK_UI_MANAGER_MENUITEM);
 424         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 425                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 426                         GTK_UI_MANAGER_MENUITEM);
 427         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 428                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 429                         GTK_UI_MANAGER_MENUITEM);
 430         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 431                         "/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
 432                         GTK_UI_MANAGER_MENUITEM);
 433
 434         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 435                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 436
 437
 438         vbox = gtk_vbox_new(FALSE, 0);
 439         gtk_widget_show(vbox);
 440         siginfoview = noticeview_create(mainwin);
 441         noticeview_hide(siginfoview);
 442         noticeview_set_icon_clickable(siginfoview, TRUE);
 443         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 444         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 445
 446         paned = gtk_vpaned_new();
 447         gtk_widget_show(paned);
 448         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 449         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 450
 451         hbox = gtk_hbox_new(FALSE, 0);
 452         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 453         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 454
 455         gtk_widget_show(hbox);
 456         gtk_widget_hide(ctree_mainbox);
 457 #ifdef GENERIC_UMPC
 458         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 459 #endif
 460         mimeview->hbox          = hbox;
 461         mimeview->paned         = paned;
 462         mimeview->scrolledwin   = scrolledwin;
 463         mimeview->ctree         = ctree;
 464         mimeview->mime_notebook = mime_notebook;
 465         mimeview->popupmenu     = popupmenu;
 466         mimeview->type          = -1;
 467         mimeview->ctree_mainbox = ctree_mainbox;
 468         mimeview->icon_scroll   = icon_scroll;
 469         mimeview->icon_vbox     = icon_vbox;
 470         mimeview->icon_mainbox  = icon_mainbox;
 471         mimeview->icon_count    = 0;
 472         mimeview->mainwin       = mainwin;
 473 #if !(GTK_CHECK_VERSION(2,12,0))
 474         mimeview->tooltips      = tips;
 475 #endif
 476         mimeview->mime_toggle   = mime_toggle;
 477         mimeview->siginfoview   = siginfoview;
 478         mimeview->scrollbutton  = scrollbutton;
 479         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 480
 481         mimeviews = g_slist_prepend(mimeviews, mimeview);
 482
 483         return mimeview;
 484 }
 485
 486 void mimeview_init(MimeView *mimeview)
 487 {
 488         textview_init(mimeview->textview);
 489
 490         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 491                 GTK_WIDGET_PTR(mimeview->textview));
 492 }
 493
 494 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 495 {
 496         while (mimeinfo) {
 497                 if (privacy_mimeinfo_is_signed(mimeinfo))
 498                         return TRUE;
 499                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 500         }
 501
 502         return FALSE;
 503 }
 504
 505 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 506                            const gchar *file)
 507 {
 508         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 509
 510         mimeview_clear(mimeview);
 511
 512         cm_return_if_fail(file != NULL);
 513         cm_return_if_fail(mimeinfo != NULL);
 514
 515         mimeview->mimeinfo = mimeinfo;
 516
 517         mimeview->file = g_strdup(file);
 518
 519         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 520                                         mimeview);
 521
 522         /* check if the mail's signed - it can change the mail structure */
 523
 524         if (any_part_is_signed(mimeinfo))
 525                 debug_print("signed mail\n");
 526
 527         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 528         gtk_tree_view_expand_all(ctree);
 529         icon_list_clear(mimeview);
 530         icon_list_create(mimeview, mimeinfo);
 531
 532         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 533                                           mimeview_selected, mimeview);
 534 }
 535
 536 #ifdef USE_PTHREAD
 537 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 538 #endif
 539
 540 static void mimeview_free_mimeinfo(MimeView *mimeview)
 541 {
 542         gboolean defer = FALSE;
 543 #ifdef USE_PTHREAD
 544         defer = (mimeview->check_data != NULL);
 545         if (defer)
 546                 mimeview->check_data->free_after_use = TRUE;
 547 #endif
 548         if (mimeview->mimeinfo != NULL && !defer) {
 549                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 550                 mimeview->mimeinfo = NULL;
 551         } else if (defer) {
 552 #ifdef USE_PTHREAD
 553                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 554                 mimeview_check_sig_cancel_now(mimeview);
 555 #endif
 556         }
 557 }
 558
 559 void mimeview_destroy(MimeView *mimeview)
 560 {
 561         GSList *cur;
 562
 563         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 564                 MimeViewer *viewer = (MimeViewer *) cur->data;
 565                 viewer->destroy_viewer(viewer);
 566         }
 567         g_slist_free(mimeview->viewers);
 568         gtk_target_list_unref(mimeview->target_list);
 569
 570 #ifdef USE_PTHREAD
 571         if (mimeview->check_data) {
 572                 mimeview->check_data->destroy_mimeview = TRUE;
 573                 debug_print("deferring destroy\n");
 574         } else
 575 #endif
 576         {
 577                 mimeview_free_mimeinfo(mimeview);
 578                 gtk_tree_path_free(mimeview->opened);
 579                 g_free(mimeview->file);
 580                 g_free(mimeview);
 581                 mimeviews = g_slist_remove(mimeviews, mimeview);
 582         }
 583
 584 }
 585
 586 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 587 {
 588         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 589         GtkTreeIter iter;
 590         GtkTreeSelection *selection;
 591         MimeInfo *partinfo = NULL;
 592
 593         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 594         if (gtk_tree_selection_get_selected(selection, NULL, &iter))
 595                 gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 596
 597         return partinfo;
 598 }
 599
 600 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 601 {
 602         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 603         GtkTreeIter iter;
 604         MimeInfo *partinfo;
 605
 606         gtk_tree_model_get_iter(model, &iter, path);
 607         gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 608         return partinfo;
 609 }
 610
 611 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 612 {
 613         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 614         GtkTreeIter iter;
 615         return !gtk_tree_model_get_iter_first(model, &iter);
 616 }
 617
 618 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 619 {
 620         GtkTreeIter iter, parent;
 621         gboolean has_parent;
 622
 623         gtk_tree_model_get_iter(model, &iter, path);
 624
 625         if (gtk_tree_model_iter_has_child(model, &iter)) {
 626                 gtk_tree_path_down(path);
 627                 return TRUE;
 628         }
 629
 630         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 631
 632         if (!gtk_tree_model_iter_next(model, &iter)) {
 633                 while (has_parent) {
 634                         GtkTreeIter saved_parent = parent;
 635                         gtk_tree_path_up(path);
 636                         if (gtk_tree_model_iter_next(model, &parent)) {
 637                                 gtk_tree_path_next(path);
 638                                 return TRUE;
 639                         } else {
 640                                 has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 641                         }
 642                 }
 643
 644         } else {
 645                 gtk_tree_path_next(path);
 646                 return TRUE;
 647         }
 648
 649         return FALSE;
 650 }
 651
 652 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 653 {
 654         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 655         GtkTreeIter iter, child, parent;
 656         gboolean has_parent;
 657
 658         gtk_tree_model_get_iter(model, &iter, path);
 659         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 660
 661         if (gtk_tree_path_prev(path)) {
 662                 gtk_tree_model_get_iter(model, &iter, path);
 663
 664                 if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 665                         gtk_tree_path_down(path);
 666
 667                         while (gtk_tree_model_iter_next(model, &child))
 668                                 gtk_tree_path_next(path);
 669                 }
 670
 671                 return TRUE;
 672         }
 673
 674         if (has_parent) {
 675                 gtk_tree_path_up(path);
 676                 return TRUE;
 677         }
 678
 679         return FALSE;
 680 }
 681
 682 gint mimeview_get_selected_part_num(MimeView *mimeview)
 683 {
 684         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 685         GtkTreeIter iter;
 686         GtkTreePath *path;
 687         gint i = 0;
 688
 689         gtk_tree_model_get_iter_first(model, &iter);
 690         path = gtk_tree_model_get_path(model, &iter);
 691
 692         do {
 693                 if (!gtk_tree_path_compare(mimeview->opened, path)) {
 694                         gtk_tree_path_free(path);
 695                         return i;
 696                 }
 697
 698                 i++;
 699         } while (mimeview_tree_next(model, path));
 700
 701         gtk_tree_path_free(path);
 702
 703         return -1;
 704 }
 705
 706 void mimeview_select_part_num(MimeView *mimeview, gint i)
 707 {
 708         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 709         GtkTreeIter iter;
 710         GtkTreePath *path;
 711         GtkTreeSelection *selection;
 712         gint x = 0;
 713
 714         if (i < 0)
 715                 return;
 716
 717         gtk_tree_model_get_iter_first(model, &iter);
 718         path = gtk_tree_model_get_path(model, &iter);
 719
 720         while (x != i) {
 721                 if (!mimeview_tree_next(model, path)) {
 722                         gtk_tree_path_free(path);
 723                         return;
 724                 }
 725                 x++;
 726         }
 727
 728         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 729         gtk_tree_selection_select_path(selection, path);
 730         gtk_tree_path_free(path);
 731 }
 732
 733 static void mimeview_set_multipart_tree(MimeView *mimeview,
 734                                         MimeInfo *mimeinfo,
 735                                         GtkTreeIter *parent)
 736 {
 737         GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 738                                         GTK_TREE_VIEW(mimeview->ctree)));
 739         GtkTreeIter iter;
 740         gchar *content_type, *length, *name;
 741
 742         cm_return_if_fail(mimeinfo != NULL);
 743
 744         while (mimeinfo != NULL) {
 745                 if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 746                         content_type = g_strdup_printf("%s/%s",
 747                                         procmime_get_media_type_str(mimeinfo->type),
 748                                         mimeinfo->subtype);
 749                 else
 750                         content_type = g_strdup("UNKNOWN");
 751
 752                 length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 753
 754                 if (prefs_common.attach_desc)
 755                         name = g_strdup(get_part_description(mimeinfo));
 756                 else
 757                         name = g_strdup(get_part_name(mimeinfo));
 758
 759                 gtk_tree_store_append(model, &iter, parent);
 760                 gtk_tree_store_set(model, &iter,
 761                                 COL_MIMETYPE, content_type,
 762                                 COL_SIZE, length,
 763                                 COL_NAME, name,
 764                                 COL_DATA, mimeinfo, -1);
 765                 g_free(content_type);
 766                 g_free(length);
 767                 g_free(name);
 768
 769                 if (mimeinfo->node->children)
 770                         mimeview_set_multipart_tree(mimeview,
 771                                 (MimeInfo *) mimeinfo->node->children->data, &iter);
 772                 mimeinfo = mimeinfo->node->next != NULL ?
 773                                 (MimeInfo *) mimeinfo->node->next->data : NULL;
 774         }
 775 }
 776
 777 static const gchar *get_real_part_name(MimeInfo *partinfo)
 778 {
 779         const gchar *name = NULL;
 780
 781         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 782         if (name == NULL)
 783                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 784
 785         return name;
 786 }
 787
 788 static const gchar *get_part_name(MimeInfo *partinfo)
 789 {
 790         const gchar *name;
 791
 792         name = get_real_part_name(partinfo);
 793         if (name == NULL)
 794                 name = "";
 795
 796         return name;
 797 }
 798
 799 static const gchar *get_part_description(MimeInfo *partinfo)
 800 {
 801         if (partinfo->description)
 802                 return partinfo->description;
 803         else
 804                 return get_part_name(partinfo);
 805 }
 806
 807 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 808 {
 809         FILE *fp;
 810         const gchar *fname;
 811
 812         if (!partinfo) return;
 813
 814         fname = mimeview->file;
 815         if (!fname) return;
 816
 817         if ((fp = g_fopen(fname, "rb")) == NULL) {
 818                 FILE_OP_ERROR(fname, "fopen");
 819                 return;
 820         }
 821
 822         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 823                 FILE_OP_ERROR(mimeview->file, "fseek");
 824                 fclose(fp);
 825                 return;
 826         }
 827
 828         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 829         textview_show_part(mimeview->textview, partinfo, fp);
 830
 831         fclose(fp);
 832 }
 833
 834 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 835 {
 836         GSList *cur;
 837         MimeViewerFactory *factory = NULL;
 838         MimeViewer *viewer = NULL;
 839         gchar *real_contenttype = NULL;
 840
 841 /*
 842  * FNM_CASEFOLD is a GNU extension
 843  */
 844 #ifndef FNM_CASEFOLD
 845 #define FNM_CASEFOLD 0
 846         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 847 #else
 848         real_contenttype = g_strdup(content_type);
 849 #endif
 850
 851         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 852                 MimeViewerFactory *curfactory = cur->data;
 853                 gint i = 0;
 854
 855                 while (curfactory->content_types[i] != NULL) {
 856                         if(!fnmatch(curfactory->content_types[i], real_contenttype, FNM_CASEFOLD)) {
 857                                 debug_print("%s\n", curfactory->content_types[i]);
 858                                 factory = curfactory;
 859                                 break;
 860                         }
 861                         i++;
 862                 }
 863                 if (factory != NULL)
 864                         break;
 865         }
 866         g_free(real_contenttype);
 867         if (factory == NULL)
 868                 return NULL;
 869
 870         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 871                 MimeViewer *curviewer = cur->data;
 872
 873                 if (curviewer->factory == factory)
 874                         return curviewer;
 875         }
 876         viewer = factory->create_viewer();
 877         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 878                 GTK_WIDGET(viewer->get_widget(viewer)));
 879
 880         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 881
 882         return viewer;
 883 }
 884
 885 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 886 {
 887         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 888 }
 889
 890 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 891 {
 892         gchar *content_type = NULL;
 893         MimeViewer *viewer = NULL;
 894
 895         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 896             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 897                 const gchar *filename;
 898
 899                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 900                 if (filename == NULL)
 901                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 902                 if (filename != NULL)
 903                         content_type = procmime_get_mime_type(filename);
 904         } else {
 905                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 906         }
 907
 908         if (content_type != NULL) {
 909                 viewer = get_viewer_for_content_type(mimeview, content_type);
 910                 g_free(content_type);
 911         }
 912
 913         return viewer;
 914 }
 915
 916 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 917 {
 918         MimeViewer *viewer;
 919
 920         if (mimeview->messageview->partial_display_shown) {
 921                 noticeview_hide(mimeview->messageview->noticeview);
 922                 mimeview->messageview->partial_display_shown = FALSE;
 923         }
 924
 925         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 926         if (viewer == NULL) {
 927                 if (mimeview->mimeviewer != NULL)
 928                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 929                 mimeview->mimeviewer = NULL;
 930                 return FALSE;
 931         }
 932
 933         if (mimeview->mimeviewer != NULL)
 934                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 935
 936         if (mimeview->mimeviewer != viewer)
 937                 mimeview->mimeviewer = viewer;
 938
 939         mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 940         viewer->mimeview = mimeview;
 941         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 942
 943         return TRUE;
 944 }
 945
 946 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 947 {
 948         TextView  *textview  = mimeview->textview;
 949         GtkWidget *focused = NULL;
 950
 951         if (mainwindow_get_mainwindow())
 952                 focused = gtkut_get_focused_child(
 953                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 954
 955         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 956             (mimeview->type == type)) return;
 957
 958         switch (type) {
 959         case MIMEVIEW_TEXT:
 960                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 961                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 962                         GTK_WIDGET_PTR(textview)));
 963                 break;
 964         case MIMEVIEW_VIEWER:
 965                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 966                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 967                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 968                 break;
 969         default:
 970                 return;
 971         }
 972         if (focused)
 973                 gtk_widget_grab_focus(focused);
 974         mimeview->type = type;
 975 }
 976
 977 void mimeview_clear(MimeView *mimeview)
 978 {
 979         GtkTreeModel *model;
 980
 981         if (!mimeview)
 982                 return;
 983
 984         if (g_slist_find(mimeviews, mimeview) == NULL)
 985                 return;
 986
 987         noticeview_hide(mimeview->siginfoview);
 988
 989         model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 990         gtk_tree_store_clear(GTK_TREE_STORE(model));
 991
 992         textview_clear(mimeview->textview);
 993         if (mimeview->mimeviewer != NULL)
 994                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 995
 996         mimeview_free_mimeinfo(mimeview);
 997
 998         mimeview->mimeinfo = NULL;
 999
1000         gtk_tree_path_free(mimeview->opened);
1001         mimeview->opened = NULL;
1002
1003         g_free(mimeview->file);
1004         mimeview->file = NULL;
1005
1006         icon_list_clear(mimeview);
1007         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1008 }
1009
1010 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
1011 static void mimeview_check_signature(MimeView *mimeview);
1012 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
1013
1014 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
1015                                         gboolean special, SignatureStatus code)
1016 {
1017         gchar *text = NULL, *button_text = NULL;
1018         void  *func = NULL;
1019         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1020         SignatureStatus mycode = SIGNATURE_UNCHECKED;
1021
1022         cm_return_if_fail(mimeview != NULL);
1023         cm_return_if_fail(mimeinfo != NULL);
1024
1025         if (special)
1026                 mycode = code;
1027         else
1028                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1029
1030         switch (mycode) {
1031         case SIGNATURE_UNCHECKED:
1032                 button_text = _("Check signature");
1033                 func = check_signature_cb;
1034                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1035                 break;
1036         case SIGNATURE_OK:
1037                 button_text = _("View full information");
1038                 func = display_full_info_cb;
1039                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
1040                 break;
1041         case SIGNATURE_WARN:
1042                 button_text = _("View full information");
1043                 func = display_full_info_cb;
1044                 icon = STOCK_PIXMAP_PRIVACY_WARN;
1045                 break;
1046         case SIGNATURE_KEY_EXPIRED:
1047                 button_text = _("View full information");
1048                 func = display_full_info_cb;
1049                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1050                 break;
1051         case SIGNATURE_INVALID:
1052                 button_text = _("View full information");
1053                 func = display_full_info_cb;
1054                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
1055                 break;
1056         case SIGNATURE_CHECK_FAILED:
1057                 button_text = _("Check again");
1058                 func = check_signature_cb;
1059                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1060         case SIGNATURE_CHECK_TIMEOUT:
1061                 button_text = _("Check again");
1062                 func = check_signature_cb;
1063                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1064         default:
1065                 break;
1066         }
1067         if (mycode == SIGNATURE_UNCHECKED) {
1068                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1069                 text = g_strdup_printf("%s %s",
1070                         tmp, _("Click the icon or hit 'C' to check it."));
1071                 g_free(tmp);
1072         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1073                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1074         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1075                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
1076         }
1077
1078         noticeview_set_text(mimeview->siginfoview, text);
1079         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1080
1081         g_free(text);
1082         noticeview_set_button_text(mimeview->siginfoview, NULL);
1083         noticeview_set_button_press_callback(
1084                 mimeview->siginfoview,
1085                 G_CALLBACK(func),
1086                 (gpointer) mimeview);
1087         noticeview_set_icon(mimeview->siginfoview, icon);
1088         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1089 }
1090
1091 #ifdef USE_PTHREAD
1092
1093 /* reset all thread stuff, and do the cleanups we've been left to do */
1094 static void mimeview_check_data_reset(MimeView *mimeview)
1095 {
1096         gboolean must_free;
1097         gboolean must_destroy;
1098
1099         if (!mimeview->check_data)
1100                 return;
1101
1102         must_free = mimeview->check_data->free_after_use;
1103         must_destroy = mimeview->check_data->destroy_mimeview;
1104
1105         if (mimeview->check_data->cancel_th_init) {
1106                 debug_print("killing canceller thread\n");
1107                 mimeview->check_data->cancel_th_init = FALSE;
1108                 pthread_cancel(mimeview->check_data->cancel_th);
1109         }
1110
1111         g_free(mimeview->check_data);
1112         mimeview->check_data = NULL;
1113
1114         if (must_free) {
1115                 debug_print("freeing deferred mimeinfo\n");
1116                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
1117         }
1118         if (must_destroy) {
1119                 debug_print("freeing deferred mimeview\n");
1120                 mimeview_free_mimeinfo(mimeview);
1121                 gtk_tree_path_free(mimeview->opened);
1122                 g_free(mimeview->file);
1123                 g_free(mimeview);
1124                 mimeviews = g_slist_remove(mimeviews, mimeview);
1125         }
1126
1127 }
1128
1129 /* GUI update once the checker thread is done or killed */
1130 static gboolean mimeview_check_sig_thread_cb(void *data)
1131 {
1132         MimeView *mimeview = (MimeView *) data;
1133         MimeInfo *mimeinfo = mimeview->siginfo;
1134
1135         debug_print("mimeview_check_sig_thread_cb\n");
1136
1137         if (mimeinfo == NULL) {
1138                 /* message changed !? */
1139                 g_warning("no more siginfo!\n");
1140                 goto end;
1141         }
1142
1143         if (!mimeview->check_data) {
1144                 g_warning("nothing to check\n");
1145                 return FALSE;
1146         }
1147
1148         if (mimeview->check_data->siginfo != mimeinfo) {
1149                 /* message changed !? */
1150                 g_warning("different siginfo!\n");
1151                 goto end;
1152         }
1153
1154         if (mimeview->check_data->destroy_mimeview ||
1155             mimeview->check_data->free_after_use) {
1156                 debug_print("not bothering, we're changing message\n");
1157                 goto end;
1158         }
1159
1160         /* update status */
1161         if (mimeview->check_data->timeout)
1162                 update_signature_noticeview(mimeview, mimeview->siginfo,
1163                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1164         else
1165                 update_signature_noticeview(mimeview, mimeview->siginfo,
1166                         FALSE, 0);
1167         icon_list_clear(mimeview);
1168         icon_list_create(mimeview, mimeview->mimeinfo);
1169
1170 end:
1171         mimeview_check_data_reset(mimeview);
1172         return FALSE;
1173 }
1174
1175 /* sig checker thread */
1176 static void *mimeview_check_sig_worker_thread(void *data)
1177 {
1178         MimeView *mimeview = (MimeView *)data;
1179         MimeInfo *mimeinfo = mimeview->siginfo;
1180
1181         debug_print("checking...\n");
1182
1183         if (!mimeview->check_data)
1184                 return NULL;
1185
1186         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1187                 privacy_mimeinfo_check_signature(mimeinfo);
1188                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1189                         mimeview->check_data->cancel_th_init = FALSE;
1190                         pthread_cancel(mimeview->check_data->cancel_th);
1191                 }
1192         } else {
1193                 /* that's strange! we changed message without
1194                  * getting killed. */
1195                 g_warning("different siginfo!\n");
1196                 mimeview_check_data_reset(mimeview);
1197                 return NULL;
1198         }
1199
1200         /* use g_timeout so that GUI updates is done from the
1201          * correct thread */
1202         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1203
1204         return NULL;
1205 }
1206
1207 /* killer thread - acts when the checker didn't work fast
1208  * enough. */
1209 static void *mimeview_check_sig_cancel_thread(void *data)
1210 {
1211         MimeView *mimeview = (MimeView *)data;
1212
1213         if (!mimeview->check_data)
1214                 return NULL; /* nothing to kill ! */
1215
1216         /* wait for a few seconds... */
1217         debug_print("waiting a while\n");
1218
1219         g_usleep(5 * 1000 * 1000);
1220
1221         if (!mimeview->check_data)
1222                 return NULL; /* nothing to kill, it's done in time :) */
1223
1224         /* too late, go away checker thread */
1225         debug_print("killing checker thread\n");
1226         if (mimeview->check_data->th_init) {
1227                 mimeview->check_data->th_init = FALSE;
1228                 pthread_cancel(mimeview->check_data->th);
1229         }
1230
1231         /* tell upstream it was a timeout */
1232         mimeview->check_data->timeout = TRUE;
1233         /* use g_timeout so that GUI updates is done from the
1234          * correct thread */
1235         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1236
1237         return NULL;
1238 }
1239
1240 /* get rid of the checker thread right now - used when changing the
1241  * displayed message for example. */
1242 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1243 {
1244         if (!mimeview->check_data)
1245                 return;
1246         debug_print("killing checker thread NOW\n");
1247         if (mimeview->check_data->th_init) {
1248                 mimeview->check_data->th_init = FALSE;
1249                 pthread_cancel(mimeview->check_data->th);
1250         }
1251
1252         /* tell upstream it was a timeout */
1253         mimeview->check_data->timeout = TRUE;
1254         mimeview_check_sig_thread_cb(mimeview);
1255         return;
1256 }
1257
1258 /* creates a thread to check the signature, and a second one
1259  * to kill the first one after a timeout */
1260 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1261 {
1262         pthread_t th, th2;
1263         pthread_attr_t detach, detach2;
1264
1265         if (mimeview->check_data) {
1266                 g_warning("already checking it");
1267                 return;
1268         }
1269
1270         mimeview->check_data = g_new0(SigCheckData, 1);
1271         mimeview->check_data->siginfo = mimeview->siginfo;
1272         debug_print("creating thread\n");
1273
1274         /* init thread attributes and create the checker thread */
1275         if (pthread_attr_init(&detach) != 0 ||
1276             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1277             pthread_attr_init(&detach2) != 0 ||
1278             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1279             pthread_create(&th, &detach,
1280                         mimeview_check_sig_worker_thread,
1281                         mimeview) != 0) {
1282                 /* arh. We'll do it synchronously. */
1283                 g_warning("can't create thread");
1284                 g_free(mimeview->check_data);
1285                 mimeview->check_data = NULL;
1286                 return;
1287         } else {
1288                 mimeview->check_data->th = th;
1289                 mimeview->check_data->th_init = TRUE;
1290         }
1291
1292         /* create the killer thread */
1293         pthread_create(&th2, &detach2,
1294                         mimeview_check_sig_cancel_thread,
1295                         mimeview);
1296
1297         mimeview->check_data->cancel_th = th2;
1298         mimeview->check_data->cancel_th_init = TRUE;
1299 }
1300 #endif
1301
1302 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1303 {
1304         MimeView *mimeview = (MimeView *) user_data;
1305         MimeInfo *mimeinfo = mimeview->siginfo;
1306
1307         if (mimeinfo == NULL)
1308                 return;
1309 #ifdef USE_PTHREAD
1310         if (mimeview->check_data)
1311                 return;
1312 #endif
1313         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1314         GTK_EVENTS_FLUSH();
1315 #ifdef USE_PTHREAD
1316         /* let's do it non-blocking */
1317         mimeview_check_sig_in_thread(mimeview);
1318         if (!mimeview->check_data) /* let's check syncronously */
1319 #endif
1320         {
1321                 debug_print("checking without thread\n");
1322                 privacy_mimeinfo_check_signature(mimeinfo);
1323                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1324                 icon_list_clear(mimeview);
1325                 icon_list_create(mimeview, mimeview->mimeinfo);
1326         }
1327 }
1328
1329 static void mimeview_check_signature(MimeView *mimeview)
1330 {
1331         check_signature_cb(NULL, mimeview);
1332 }
1333
1334 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1335 {
1336         MimeView *mimeview = (MimeView *) user_data;
1337         gtk_tree_path_free(mimeview->opened);
1338         mimeview->opened = NULL;
1339         mimeview_selected(gtk_tree_view_get_selection(
1340                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1341 }
1342
1343 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1344 {
1345         MimeView *mimeview = (MimeView *) user_data;
1346         gchar *siginfo;
1347
1348         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1349         textview_set_text(mimeview->textview, siginfo);
1350         g_free(siginfo);
1351         noticeview_set_button_text(mimeview->siginfoview, NULL);
1352         noticeview_set_button_press_callback(
1353                 mimeview->siginfoview,
1354                 G_CALLBACK(redisplay_email),
1355                 (gpointer) mimeview);
1356         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1357 }
1358
1359 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1360 {
1361         MimeInfo *siginfo;
1362         MimeInfo *first_text;
1363
1364         cm_return_if_fail(mimeview != NULL);
1365         cm_return_if_fail(selected != NULL);
1366
1367         if (selected->type == MIMETYPE_MESSAGE
1368         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1369                 /* if the first text part is signed, check that */
1370                 first_text = selected;
1371                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1372                         first_text = procmime_mimeinfo_next(first_text);
1373                 }
1374                 if (first_text) {
1375                         update_signature_info(mimeview, first_text);
1376                         return;
1377                 }
1378         }
1379
1380         siginfo = selected;
1381         while (siginfo != NULL) {
1382                 if (privacy_mimeinfo_is_signed(siginfo))
1383                         break;
1384                 siginfo = procmime_mimeinfo_parent(siginfo);
1385         }
1386         mimeview->siginfo = siginfo;
1387
1388         if (siginfo == NULL) {
1389                 noticeview_hide(mimeview->siginfoview);
1390                 return;
1391         }
1392
1393         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1394         noticeview_show(mimeview->siginfoview);
1395 }
1396
1397 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1398 {
1399         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1400         GtkTreeModel *model;
1401         GtkTreeIter iter;
1402         GtkTreePath *path;
1403         MimeInfo *partinfo;
1404
1405         selection = gtk_tree_view_get_selection(ctree);
1406         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1407                 return;
1408
1409         path = gtk_tree_model_get_path(model, &iter);
1410
1411         if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1412                 gtk_tree_path_free(path);
1413                 return;
1414         }
1415
1416         gtk_tree_path_free(mimeview->opened);
1417         mimeview->opened = path;
1418         mimeview->spec_part = NULL;
1419         gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1420
1421         partinfo = mimeview_get_node_part(mimeview, path);
1422         if (!partinfo) return;
1423
1424         /* ungrab the mouse event */
1425         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1426                 gtk_grab_remove(GTK_WIDGET(ctree));
1427                 if (gdk_pointer_is_grabbed())
1428                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1429         }
1430
1431         mimeview->textview->default_text = FALSE;
1432
1433         update_signature_info(mimeview, partinfo);
1434
1435         if (!mimeview_show_part(mimeview, partinfo)) {
1436                 switch (partinfo->type) {
1437                 case MIMETYPE_TEXT:
1438                 case MIMETYPE_MESSAGE:
1439                 case MIMETYPE_MULTIPART:
1440                         mimeview_show_message_part(mimeview, partinfo);
1441
1442                         break;
1443                 default:
1444                         mimeview->textview->default_text = TRUE;
1445                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1446                         textview_clear(mimeview->textview);
1447                         textview_show_mime_part(mimeview->textview, partinfo);
1448                         break;
1449                 }
1450         }
1451 }
1452
1453 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1454                                     MimeView *mimeview)
1455 {
1456         GtkTreeSelection *selection;
1457         GtkTreeIter iter;
1458
1459         if (!event) return FALSE;
1460
1461         if (event->button == 2 || event->button == 3) {
1462                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1463                 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1464                         return FALSE;
1465
1466                 gtk_tree_selection_select_iter(selection, &iter);
1467         }
1468         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1469
1470         return FALSE;
1471 }
1472
1473 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1474                                     MimeView *mimeview)
1475 {
1476         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1477         if (event->direction == GDK_SCROLL_UP) {
1478                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1479         } else {
1480                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1481         }
1482         gtk_vscrollbutton_scroll(scrollbutton);
1483         return TRUE;
1484 }
1485
1486 /* from gdkevents.c */
1487 #define DOUBLE_CLICK_TIME 250
1488
1489 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1490                                     MimeInfo *partinfo)
1491 {
1492         static MimeInfo *lastinfo;
1493         static guint32 lasttime;
1494
1495         if (event->button == 2 ||
1496             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1497                 /* call external program for image, audio or html */
1498                 mimeview_launch(mimeview, partinfo);
1499                 return TRUE;
1500         } else if (event->button == 3) {
1501                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1502                                  partinfo->type == MIMETYPE_IMAGE ||
1503                                  partinfo->type == MIMETYPE_MULTIPART))
1504                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1505                 else
1506                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1507 #ifndef G_OS_WIN32
1508                 if (partinfo &&
1509                     partinfo->type == MIMETYPE_APPLICATION &&
1510                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1511                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1512                 else
1513 #endif
1514                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1515
1516                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1517                                   "pop_partinfo", partinfo);
1518
1519                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1520                                NULL, NULL, NULL, NULL,
1521                                event->button, event->time);
1522                 return TRUE;
1523         }
1524
1525         lastinfo = partinfo;
1526         lasttime = event->time;
1527         return FALSE;
1528 }
1529
1530
1531 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1532 {
1533         return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1534 }
1535
1536 static void mimeview_select_next_part(MimeView *mimeview)
1537 {
1538         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1539         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1540         GtkTreeSelection *selection;
1541         GtkTreeIter iter;
1542         GtkTreePath *path;
1543         MimeInfo *partinfo = NULL;
1544         gboolean has_next;
1545
1546         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1547         path = gtk_tree_model_get_path(model, &iter);
1548 skip:
1549         has_next = mimeview_tree_next(model, path);
1550         if (!has_next) {
1551                 has_next = gtk_tree_model_get_iter_first(model, &iter);
1552                 gtk_tree_path_free(path);
1553                 path = gtk_tree_model_get_path(model, &iter);
1554         }
1555
1556         if (has_next) {
1557                 partinfo = mimeview_get_node_part(mimeview, path);
1558                 if (partinfo->type == MIMETYPE_MULTIPART ||
1559                     (!prefs_common.show_inline_attachments && partinfo->id))
1560                         goto skip;
1561                 selection = gtk_tree_view_get_selection(ctree);
1562                 gtk_tree_selection_select_path(selection, path);
1563                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1564         }
1565
1566         gtk_tree_path_free(path);
1567 }
1568
1569 static void mimeview_select_prev_part(MimeView *mimeview)
1570 {
1571         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1572         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1573         GtkTreeSelection *selection;
1574         GtkTreeIter iter;
1575         GtkTreePath *path;
1576         MimeInfo *partinfo = NULL;
1577         gboolean has_prev;
1578
1579         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1580         path = gtk_tree_model_get_path(model, &iter);
1581 skip:
1582         has_prev = mimeview_tree_prev(mimeview, path);
1583         if (!has_prev) {
1584                 while (mimeview_tree_next(model, path)) {}
1585                 has_prev = TRUE;
1586         }
1587
1588         if (has_prev) {
1589                 partinfo = mimeview_get_node_part(mimeview, path);
1590                 if (partinfo->type == MIMETYPE_MULTIPART ||
1591                     (!prefs_common.show_inline_attachments && partinfo->id))
1592                         goto skip;
1593                 selection = gtk_tree_view_get_selection(ctree);
1594                 gtk_tree_selection_select_path(selection, path);
1595                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1596         }
1597
1598         gtk_tree_path_free(path);
1599 }
1600
1601 #define BREAK_ON_MODIFIER_KEY() \
1602         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1603
1604 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1605                                  MimeView *mimeview)
1606 {
1607         SummaryView *summaryview;
1608
1609         if (!event) return FALSE;
1610         if (!mimeview->opened) return FALSE;
1611
1612         summaryview = mimeview->messageview->mainwin->summaryview;
1613
1614         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1615                 return FALSE;
1616
1617         switch (event->keyval) {
1618         case GDK_KEY_Home:
1619         case GDK_KEY_End:
1620                 textview_scroll_max(mimeview->textview,
1621                                     (event->keyval == GDK_KEY_Home));
1622                 return TRUE;
1623         case GDK_KEY_Page_Down:
1624         case GDK_KEY_space:
1625                 if (mimeview_scroll_page(mimeview,
1626                                          (event->state & GDK_SHIFT_MASK) != 0))
1627                         return TRUE;
1628
1629                 if (!(event->state & GDK_SHIFT_MASK))
1630                         mimeview_select_next_part(mimeview);
1631                 return TRUE;
1632         case GDK_KEY_Page_Up:
1633         case GDK_KEY_BackSpace:
1634                 mimeview_scroll_page(mimeview, TRUE);
1635                 return TRUE;
1636         case GDK_KEY_Return:
1637         case GDK_KEY_KP_Enter:
1638                 mimeview_scroll_one_line(mimeview,
1639                                          (event->state & GDK_MOD1_MASK) != 0);
1640                 return TRUE;
1641         case GDK_KEY_Up:
1642         case GDK_KEY_Down:
1643                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1644                 return TRUE;
1645         case GDK_KEY_y:
1646                 BREAK_ON_MODIFIER_KEY();
1647                 mimeview_save_as(mimeview);
1648                 return TRUE;
1649         case GDK_KEY_t:
1650                 BREAK_ON_MODIFIER_KEY();
1651                 mimeview_display_as_text(mimeview);
1652                 return TRUE;
1653         case GDK_KEY_l:
1654                 BREAK_ON_MODIFIER_KEY();
1655                 mimeview_launch(mimeview, NULL);
1656                 return TRUE;
1657         case GDK_KEY_o:
1658                 BREAK_ON_MODIFIER_KEY();
1659 #ifndef G_OS_WIN32
1660                 mimeview_open_with(mimeview);
1661 #endif
1662                 return TRUE;
1663         case GDK_KEY_c:
1664                 BREAK_ON_MODIFIER_KEY();
1665                 mimeview_check_signature(mimeview);
1666                 return TRUE;
1667         case GDK_KEY_a:
1668                 BREAK_ON_MODIFIER_KEY();
1669                 mimeview_select_next_part(mimeview);
1670                 return TRUE;
1671         case GDK_KEY_z:
1672                 BREAK_ON_MODIFIER_KEY();
1673                 mimeview_select_prev_part(mimeview);
1674                 return TRUE;
1675         default:
1676                 break;
1677         }
1678
1679         if (mimeview->messageview->new_window) return FALSE;
1680
1681         return summary_pass_key_press_event(summaryview, event);
1682 }
1683
1684 static void mimeview_drag_data_get(GtkWidget        *widget,
1685                                    GdkDragContext   *drag_context,
1686                                    GtkSelectionData *selection_data,
1687                                    guint             info,
1688                                    guint             time,
1689                                    MimeView         *mimeview)
1690 {
1691         gchar *filename = NULL, *uriname, *tmp;
1692         MimeInfo *partinfo;
1693         gint err;
1694         gint count = 0;
1695
1696         if (!mimeview->opened) return;
1697         if (!mimeview->file) return;
1698
1699         partinfo = mimeview_get_selected_part(mimeview);
1700         if (!partinfo) return;
1701
1702         if (strlen(get_part_name(partinfo)) > 0) {
1703                 filename = g_path_get_basename(get_part_name(partinfo));
1704                 if (*filename == '\0') return;
1705         } else if (partinfo->type == MIMETYPE_MESSAGE
1706                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1707                 gchar *name = NULL;
1708                 GPtrArray *headers = NULL;
1709                 FILE *fp;
1710
1711                 fp = g_fopen(partinfo->data.filename, "rb");
1712                 fseek(fp, partinfo->offset, SEEK_SET);
1713                 headers = procheader_get_header_array_asis(fp);
1714                 if (headers) {
1715                         gint i;
1716                         for (i = 0; i < headers->len; i++) {
1717                                 Header *header = g_ptr_array_index(headers, i);
1718                                 if (procheader_headername_equal(header->name, "Subject")) {
1719                                         unfold_line(header->body);
1720                                         name = g_strconcat(header->body, ".txt", NULL);
1721                                         subst_for_filename(name);
1722                                 }
1723                         }
1724                         procheader_header_array_destroy(headers);
1725                 }
1726                 fclose(fp);
1727                 if (name)
1728                         filename = g_path_get_basename(name);
1729                 g_free(name);
1730         }
1731         if (filename == NULL)
1732                 filename = g_path_get_basename("Unnamed part");
1733
1734         if (!g_utf8_validate(filename, -1, NULL))
1735                 tmp = conv_codeset_strdup(filename,
1736                                 conv_get_locale_charset_str(),
1737                                 CS_UTF_8);
1738         else
1739                 tmp = g_strdup(filename);
1740
1741         if (tmp == NULL) {
1742                 g_warning("filename not in UTF-8");
1743                 tmp = g_strdup("Unnamed part");
1744         }
1745         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1746                                tmp, NULL);
1747
1748 check_new_file:
1749         if (is_file_exist(filename)) {
1750                 gchar *ext = NULL;
1751                 gchar *prefix = NULL;
1752                 gchar *new_name = NULL;
1753                 if (strrchr(tmp, '.')) {
1754                         prefix = g_strdup(tmp);
1755                         ext = g_strdup(strrchr(tmp, '.'));
1756                         *(strrchr(prefix, '.')) = '\0';
1757                 } else {
1758                         prefix = g_strdup(tmp);
1759                         ext = g_strdup("");
1760                 }
1761                 count++;
1762                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1763                 g_free(prefix);
1764                 g_free(ext);
1765                 g_free(filename);
1766                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1767                                new_name, NULL);
1768                 g_free(new_name);
1769                 goto check_new_file;
1770         }
1771
1772         g_free(tmp);
1773
1774         if ((err = procmime_get_part(filename, partinfo)) < 0)
1775                 alertpanel_error
1776                         (_("Couldn't save the part of multipart message: %s"),
1777                                 strerror(-err));
1778
1779         tmp = g_filename_to_uri(filename, NULL, NULL);
1780         uriname = g_strconcat(tmp, "\r\n", NULL);
1781         g_free(tmp);
1782
1783         gtk_selection_data_set(selection_data,
1784                    gtk_selection_data_get_target(selection_data), 8,
1785                                (guchar *)uriname, strlen(uriname));
1786
1787         g_free(uriname);
1788         g_free(filename);
1789 }
1790
1791 /**
1792  * Returns a filename (with path) for an attachment
1793  * \param partinfo The attachment to save
1794  * \param basedir The target directory
1795  * \param number Used for dummy filename if attachment is unnamed
1796  */
1797 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1798                                       const gchar *basedir,
1799                                       gint number)
1800 {
1801         gchar *fullname;
1802         gchar *filename;
1803
1804         filename = g_strdup(get_part_name(partinfo));
1805         if (!filename || !*filename) {
1806                 g_free(filename);
1807                 filename = g_strdup_printf("noname.%d", number);
1808         }
1809
1810         if (!g_utf8_validate(filename, -1, NULL)) {
1811                 gchar *tmp = conv_filename_to_utf8(filename);
1812                 g_free(filename);
1813                 filename = tmp;
1814         }
1815
1816         subst_for_filename(filename);
1817
1818         fullname = g_strconcat
1819                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1820                  ? &filename[1] : filename, NULL);
1821
1822         g_free(filename);
1823         filename = conv_filename_from_utf8(fullname);
1824         g_free(fullname);
1825         return filename;
1826 }
1827
1828 /**
1829  * Write a single attachment to file
1830  * \param filename Filename with path
1831  * \param partinfo Attachment to save
1832  */
1833 static gboolean mimeview_write_part(const gchar *filename,
1834                                     MimeInfo *partinfo)
1835 {
1836         gchar *dir;
1837         gint err;
1838
1839         dir= g_path_get_dirname(filename);
1840         if (!is_dir_exist(dir))
1841                 make_dir_hier(dir);
1842         g_free(dir);
1843
1844         if (is_file_exist(filename)) {
1845                 AlertValue aval;
1846                 gchar *res;
1847                 gchar *tmp;
1848
1849                 if (!g_utf8_validate(filename, -1, NULL))
1850                         tmp = conv_filename_to_utf8(filename);
1851                 else
1852                         tmp = g_strdup(filename);
1853
1854                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1855                                       tmp);
1856                 g_free(tmp);
1857                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1858                                   GTK_STOCK_OK, NULL);
1859                 g_free(res);
1860                 if (G_ALERTALTERNATE != aval) return FALSE;
1861         }
1862
1863         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1864                 alertpanel_error
1865                         (_("Couldn't save the part of multipart message: %s"),
1866                                 strerror(-err));
1867                 return FALSE;
1868         }
1869
1870         return TRUE;
1871 }
1872
1873 /**
1874  * Menu callback: Save all attached files
1875  * \param mimeview Current display
1876  */
1877 static void mimeview_save_all(MimeView *mimeview)
1878 {
1879         MimeInfo *partinfo;
1880         gchar *dirname;
1881         gchar *startdir = NULL;
1882         gint number = 1;
1883
1884         if (!mimeview->opened) return;
1885         if (!mimeview->file) return;
1886         if (!mimeview->mimeinfo) return;
1887
1888         partinfo = mimeview->mimeinfo;
1889         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1890                 startdir = g_strconcat(prefs_common.attach_save_dir,
1891                                        G_DIR_SEPARATOR_S, NULL);
1892         else
1893                 startdir = g_strdup(get_home_dir());
1894
1895         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1896         if (!dirname) {
1897                 g_free(startdir);
1898                 return;
1899         }
1900
1901         if (!is_dir_exist (dirname)) {
1902                 alertpanel_error(_("'%s' is not a directory."),
1903                                  dirname);
1904                 g_free(startdir);
1905                 g_free(dirname);
1906                 return;
1907         }
1908
1909         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1910                 dirname[strlen(dirname)-1] = '\0';
1911
1912         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1913         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1914                 partinfo = procmime_mimeinfo_next(partinfo);
1915         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1916                 partinfo = procmime_mimeinfo_next(partinfo);
1917                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1918                         partinfo = procmime_mimeinfo_next(partinfo);
1919         }
1920
1921         while (partinfo != NULL) {
1922                 if (partinfo->type != MIMETYPE_MESSAGE &&
1923                     partinfo->type != MIMETYPE_MULTIPART &&
1924                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1925                      || get_real_part_name(partinfo) != NULL)) {
1926                         gchar *filename = mimeview_get_filename_for_part
1927                                 (partinfo, dirname, number++);
1928
1929                         mimeview_write_part(filename, partinfo);
1930                         g_free(filename);
1931                 }
1932                 partinfo = procmime_mimeinfo_next(partinfo);
1933         }
1934
1935         g_free(prefs_common.attach_save_dir);
1936         g_free(startdir);
1937         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1938                                         -1, NULL, NULL, NULL);
1939         g_free(dirname);
1940 }
1941
1942 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1943 {
1944         MimeInfo *partinfo = NULL;
1945         if (mimeview->spec_part) {
1946                 partinfo = mimeview->spec_part;
1947                 mimeview->spec_part = NULL;
1948         } else {
1949                 partinfo = (MimeInfo *) g_object_get_data
1950                          (G_OBJECT(mimeview->popupmenu),
1951                          "pop_partinfo");
1952                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1953                                   "pop_partinfo", NULL);
1954                 if (!partinfo) {
1955                         partinfo = mimeview_get_selected_part(mimeview);
1956                 }
1957         }
1958
1959         return partinfo;
1960 }
1961 /**
1962  * Menu callback: Save the selected attachment
1963  * \param mimeview Current display
1964  */
1965 static void mimeview_save_as(MimeView *mimeview)
1966 {
1967         gchar *filename;
1968         gchar *filepath = NULL;
1969         gchar *filedir = NULL;
1970         MimeInfo *partinfo;
1971         gchar *partname = NULL;
1972
1973         if (!mimeview->opened) return;
1974         if (!mimeview->file) return;
1975
1976         partinfo = mimeview_get_part_to_use(mimeview);
1977
1978         cm_return_if_fail(partinfo != NULL);
1979
1980         if (get_part_name(partinfo) == NULL) {
1981                 return;
1982         }
1983         partname = g_strdup(get_part_name(partinfo));
1984
1985         if (!g_utf8_validate(partname, -1, NULL)) {
1986                 gchar *tmp = conv_filename_to_utf8(partname);
1987                 if (!tmp) {
1988                         tmp = conv_codeset_strdup(partname,
1989                                 conv_get_locale_charset_str(),
1990                                 CS_UTF_8);
1991                 }
1992                 if (tmp) {
1993                         g_free(partname);
1994                         partname = tmp;
1995                 }
1996         }
1997
1998         subst_for_filename(partname);
1999
2000         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
2001                 filepath = g_strconcat(prefs_common.attach_save_dir,
2002                                        G_DIR_SEPARATOR_S, partname, NULL);
2003         else
2004                 filepath = g_strdup(partname);
2005
2006         g_free(partname);
2007
2008         filename = filesel_select_file_save(_("Save as"), filepath);
2009         if (!filename) {
2010                 g_free(filepath);
2011                 return;
2012         }
2013
2014         mimeview_write_part(filename, partinfo);
2015
2016         filedir = g_path_get_dirname(filename);
2017         if (filedir && strcmp(filedir, ".")) {
2018                 g_free(prefs_common.attach_save_dir);
2019                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2020         }
2021
2022         g_free(filedir);
2023         g_free(filepath);
2024 }
2025
2026 static void mimeview_display_as_text(MimeView *mimeview)
2027 {
2028         MimeInfo *partinfo;
2029
2030         if (!mimeview->opened) return;
2031
2032         partinfo = mimeview_get_part_to_use(mimeview);
2033         mimeview_select_mimepart_icon(mimeview, partinfo);
2034         cm_return_if_fail(partinfo != NULL);
2035         mimeview_show_message_part(mimeview, partinfo);
2036 }
2037
2038 static void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2039 {
2040         gchar *filename;
2041         gint err;
2042
2043         if (!mimeview->opened) return;
2044         if (!mimeview->file) return;
2045
2046         if (!partinfo)
2047                 partinfo = mimeview_get_part_to_use(mimeview);
2048
2049         cm_return_if_fail(partinfo != NULL);
2050
2051         filename = procmime_get_tmp_file_name(partinfo);
2052
2053         if ((err = procmime_get_part(filename, partinfo)) < 0)
2054                 alertpanel_error
2055                         (_("Couldn't save the part of multipart message: %s"),
2056                                 strerror(-err));
2057         else
2058                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2059
2060         g_free(filename);
2061 }
2062
2063 #ifndef G_OS_WIN32
2064 static void mimeview_open_with(MimeView *mimeview)
2065 {
2066         MimeInfo *partinfo;
2067
2068         if (!mimeview) return;
2069         if (!mimeview->opened) return;
2070         if (!mimeview->file) return;
2071
2072         partinfo = mimeview_get_part_to_use(mimeview);
2073
2074         mimeview_open_part_with(mimeview, partinfo, FALSE);
2075 }
2076
2077 #ifdef MAEMO
2078 osso_context_t *get_osso_context(void);
2079 #endif
2080 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2081 {
2082         gchar *filename;
2083         gchar *cmd;
2084         gchar *mime_command = NULL;
2085         gchar *content_type = NULL;
2086         gint err;
2087 #ifdef MAEMO
2088         DBusConnection *dbusconn;
2089         gchar *uri;
2090         int r = 0;
2091 #endif
2092         cm_return_if_fail(partinfo != NULL);
2093
2094         filename = procmime_get_tmp_file_name(partinfo);
2095
2096         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2097                 alertpanel_error
2098                         (_("Couldn't save the part of multipart message: %s"),
2099                                 strerror(-err));
2100                 g_free(filename);
2101                 return;
2102         }
2103
2104         if (!prefs_common.mime_open_cmd_history)
2105                 prefs_common.mime_open_cmd_history =
2106                         add_history(NULL, prefs_common.mime_open_cmd);
2107
2108         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2109             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2110                 /* guess content-type from filename */
2111                 content_type = procmime_get_mime_type(filename);
2112         }
2113         if (content_type == NULL) {
2114                 content_type = procmime_get_content_type_str(partinfo->type,
2115                         partinfo->subtype);
2116         }
2117
2118 #ifdef MAEMO
2119         if (content_type != NULL) {
2120                 uri = g_filename_to_uri(filename, NULL, NULL);
2121                 dbusconn = osso_get_dbus_connection (get_osso_context());
2122 #ifdef CHINOOK
2123                 r = hildon_mime_open_file_with_mime_type (dbusconn, uri, content_type);
2124 #else
2125                 r = osso_mime_open_file_with_mime_type (dbusconn, uri, content_type);
2126 #endif
2127                 g_free(uri);
2128         }
2129         if (r != 1) {
2130                 alertpanel_error(_("No registered viewer for this file type."));
2131         }
2132         goto out;
2133 #endif
2134
2135         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2136         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2137                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2138                 g_free(content_type);
2139                 content_type = NULL;
2140         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2141         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2142                 mime_command = mailcap_get_command_for_type(content_type, filename);
2143         } else {
2144                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2145                 g_free(content_type);
2146                 content_type = NULL;
2147         }
2148         if (mime_command == NULL) {
2149                 /* try with extension this time */
2150                 g_free(content_type);
2151                 content_type = procmime_get_mime_type(filename);
2152                 mime_command = mailcap_get_command_for_type(content_type, filename);
2153         }
2154
2155         if (mime_command == NULL)
2156                 automatic = FALSE;
2157
2158         if (!automatic) {
2159                 gboolean remember = FALSE;
2160                 if (content_type != NULL)
2161                         cmd = input_dialog_combo_remember
2162                                 (_("Open with"),
2163                                  _("Enter the command-line to open file:\n"
2164                                    "('%s' will be replaced with file name)"),
2165                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2166                                  prefs_common.mime_open_cmd_history, &remember);
2167                 else
2168                         cmd = input_dialog_combo
2169                                 (_("Open with"),
2170                                  _("Enter the command-line to open file:\n"
2171                                    "('%s' will be replaced with file name)"),
2172                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2173                                  prefs_common.mime_open_cmd_history);
2174                 if (cmd && remember) {
2175                         mailcap_update_default(content_type, cmd);
2176                 }
2177                 g_free(mime_command);
2178         } else {
2179                 cmd = mime_command;
2180         }
2181         if (cmd) {
2182                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2183                 g_free(prefs_common.mime_open_cmd);
2184                 prefs_common.mime_open_cmd = cmd;
2185                 prefs_common.mime_open_cmd_history =
2186                         add_history(prefs_common.mime_open_cmd_history, cmd);
2187         }
2188 #ifdef MAEMO
2189 out:
2190 #endif
2191         g_free(content_type);
2192         g_free(filename);
2193 }
2194 #endif
2195
2196 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2197 {
2198         GList *attach_file = NULL;
2199         AttachInfo *ainfo = NULL;
2200         gchar *filename;
2201         gint err;
2202
2203         if (!mimeview->opened) return;
2204         if (!mimeview->file) return;
2205
2206         cm_return_if_fail(partinfo != NULL);
2207
2208         filename = procmime_get_tmp_file_name(partinfo);
2209
2210         if (!(err = procmime_get_part(filename, partinfo))) {
2211                 ainfo = g_new0(AttachInfo, 1);
2212                 ainfo->file = filename;
2213                 ainfo->name = g_strdup(get_part_name(partinfo));
2214                 ainfo->content_type = procmime_get_content_type_str(
2215                                         partinfo->type, partinfo->subtype);
2216                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2217                                         partinfo, "charset"));
2218                 attach_file = g_list_append(attach_file, ainfo);
2219
2220                 compose_new(NULL, NULL, attach_file);
2221
2222                 g_free(ainfo->name);
2223                 g_free(ainfo->content_type);
2224                 g_free(ainfo->charset);
2225                 g_free(ainfo);
2226                 g_list_free(attach_file);
2227         } else
2228                 alertpanel_error
2229                         (_("Couldn't save the part of multipart message: %s"),
2230                                 strerror(-err));
2231         g_free(filename);
2232 }
2233
2234 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2235                                const gchar *cmd, MimeView *mimeview)
2236 {
2237 #ifndef G_OS_WIN32
2238         gchar *p;
2239         gchar buf[BUFFSIZE];
2240         if (cmd == NULL)
2241                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2242         else {
2243                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2244                     !strchr(p + 2, '%')) {
2245                         g_snprintf(buf, sizeof(buf), cmd, filename);
2246                         if (!prefs_common.save_parts_readwrite)
2247                                 g_chmod(filename, S_IRUSR);
2248                         else
2249                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2250                 } else {
2251                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2252                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2253                 }
2254                 if (execute_command_line(buf, TRUE) != 0) {
2255                         if (!prefs_common.save_parts_readwrite)
2256                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2257                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2258                 }
2259         }
2260 #else
2261         SHFILEINFO file_info;
2262         if ((SHGetFileInfo(filename, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2263                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2264                                       _("This attachment is an executable file. Executing "
2265                                         "untrusted binaries is dangerous and could probably "
2266                                         "lead to compromission of your computer.\n\n"
2267                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2268                                         _("Run binary"),
2269                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2270                 if (val == G_ALERTALTERNATE) {
2271                         debug_print("executing binary\n");
2272                         ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2273                 }
2274         } else
2275                 ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2276
2277 #endif
2278 }
2279
2280 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2281 {
2282         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2283 }
2284
2285 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2286 {
2287         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2288 }
2289
2290 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2291 {
2292         GSList *mimeview_list, *viewer_list;
2293
2294         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2295                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2296
2297                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2298                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2299                         mimeview->mimeviewer = NULL;
2300                 }
2301
2302                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2303                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2304
2305                         mimeviewer->destroy_viewer(mimeviewer);
2306                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2307                 }
2308         }
2309
2310         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2311 }
2312
2313 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2314 {
2315         gint      num;
2316         MimeInfo *partinfo;
2317
2318         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2319         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2320
2321         if (event->button == 1) {
2322                 icon_selected(mimeview, num, partinfo);
2323                 gtk_widget_grab_focus(button);
2324                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2325         }
2326         part_button_pressed(mimeview, event, partinfo);
2327
2328         return FALSE;
2329 }
2330
2331 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2332 {
2333         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2334         GtkTreeIter iter;
2335         GtkTreePath *path;
2336         MimeInfo *curr = NULL;
2337
2338         gtk_tree_model_get_iter_first(model, &iter);
2339         path = gtk_tree_model_get_path(model, &iter);
2340
2341         do {
2342                 gtk_tree_model_get_iter(model, &iter, path);
2343                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2344                 if (curr == partinfo) {
2345                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2346                                                 GTK_TREE_VIEW(mimeview->ctree));
2347                         gtk_tree_selection_select_iter(sel, &iter);
2348                         gtk_tree_path_free(path);
2349                         return;
2350                 }
2351         } while (mimeview_tree_next(model, path));
2352
2353         gtk_tree_path_free(path);
2354 }
2355
2356 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2357 {
2358         icon_list_toggle_by_mime_info(mimeview, partinfo);
2359         icon_selected(mimeview, -1, partinfo);
2360 }
2361
2362 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2363                              MimeView *mimeview)
2364 {
2365         gint          num;
2366         MimeInfo     *partinfo;
2367         SummaryView  *summaryview;
2368         TextView     *textview;
2369
2370         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2371         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2372
2373         if (!event) return FALSE;
2374
2375         textview = mimeview->textview;
2376
2377         switch (event->keyval) {
2378         case GDK_KEY_space:
2379                 if (mimeview_scroll_page(mimeview, FALSE))
2380                         return TRUE;
2381
2382                 mimeview_select_next_part(mimeview);
2383                 return TRUE;
2384
2385                 break;
2386         case GDK_KEY_BackSpace:
2387                 mimeview_scroll_page(mimeview, TRUE);
2388                 return TRUE;
2389         case GDK_KEY_Return:
2390         case GDK_KEY_KP_Enter:
2391                 mimeview_scroll_one_line(mimeview,
2392                                          (event->state & GDK_MOD1_MASK) != 0);
2393                 return TRUE;
2394         case GDK_KEY_y:
2395                 BREAK_ON_MODIFIER_KEY();
2396                 mimeview_save_as(mimeview);
2397                 return TRUE;
2398         case GDK_KEY_t:
2399                 BREAK_ON_MODIFIER_KEY();
2400                 mimeview_display_as_text(mimeview);
2401                 return TRUE;
2402         case GDK_KEY_l:
2403                 BREAK_ON_MODIFIER_KEY();
2404                 mimeview_launch(mimeview, NULL);
2405                 return TRUE;
2406 #ifndef G_OS_WIN32
2407         case GDK_KEY_o:
2408                 BREAK_ON_MODIFIER_KEY();
2409                 mimeview_open_with(mimeview);
2410                 return TRUE;
2411 #endif
2412         case GDK_KEY_c:
2413                 BREAK_ON_MODIFIER_KEY();
2414                 mimeview_check_signature(mimeview);
2415                 return TRUE;
2416         case GDK_KEY_a:
2417                 BREAK_ON_MODIFIER_KEY();
2418                 mimeview_select_next_part(mimeview);
2419                 return TRUE;
2420         default:
2421                 break;
2422         }
2423
2424         if (!mimeview->messageview->mainwin) return FALSE;
2425         summaryview = mimeview->messageview->mainwin->summaryview;
2426         return summary_pass_key_press_event(summaryview, event);
2427 }
2428
2429 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2430 {
2431         MimeView *mimeview = (MimeView *)data;
2432         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2433
2434         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2435                           "pop_partinfo", partinfo);
2436         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2437                        NULL, NULL, NULL, NULL,
2438                        0, gtk_get_current_event_time());
2439         return TRUE;
2440 }
2441
2442 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2443 {
2444         GtkWidget *pixmap = NULL;
2445         GtkWidget *vbox;
2446         GtkWidget *button;
2447         gchar *tip;
2448         gchar *tiptmp;
2449         const gchar *desc = NULL;
2450         gchar *sigshort = NULL;
2451         gchar *content_type;
2452         StockPixmap stockp;
2453         MimeInfo *partinfo;
2454         MimeInfo *siginfo = NULL;
2455         MimeInfo *encrypted = NULL;
2456 #ifdef GENERIC_UMPC
2457         GtkRequisition r;
2458 #endif
2459 #if !(GTK_CHECK_VERSION(2,12,0))
2460         GtkTooltips *tips = mimeview->tooltips;
2461 #endif
2462
2463         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2464                 return;
2465
2466         vbox = mimeview->icon_vbox;
2467         mimeview->icon_count++;
2468         button = gtk_event_box_new();
2469
2470         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2471                          G_CALLBACK(mimeview_visi_notify), mimeview);
2472         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2473                          G_CALLBACK(mimeview_leave_notify), mimeview);
2474         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2475                          G_CALLBACK(mimeview_enter_notify), mimeview);
2476
2477         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2478         g_object_set_data(G_OBJECT(button), "icon_number",
2479                           GINT_TO_POINTER(mimeview->icon_count));
2480         g_object_set_data(G_OBJECT(button), "partinfo",
2481                           mimeinfo);
2482
2483         switch (mimeinfo->type) {
2484
2485         case MIMETYPE_TEXT:
2486                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2487                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2488                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2489                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2490                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2491                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2492                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2493                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2494                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2495                 else
2496                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2497                 break;
2498         case MIMETYPE_MESSAGE:
2499                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2500                 break;
2501         case MIMETYPE_APPLICATION:
2502                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2503                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2504                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2505                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2506                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2507                         stockp = STOCK_PIXMAP_MIME_PDF;
2508                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2509                         stockp = STOCK_PIXMAP_MIME_PS;
2510                 else
2511                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2512                 break;
2513         case MIMETYPE_IMAGE:
2514                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2515                 break;
2516         case MIMETYPE_AUDIO:
2517                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2518                 break;
2519         default:
2520                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2521                 break;
2522         }
2523
2524         partinfo = mimeinfo;
2525         while (partinfo != NULL) {
2526                 if (privacy_mimeinfo_is_signed(partinfo)) {
2527                         siginfo = partinfo;
2528                         break;
2529                 }
2530                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2531                         encrypted = partinfo;
2532                         break;
2533                 }
2534                 partinfo = procmime_mimeinfo_parent(partinfo);
2535         }
2536
2537         if (siginfo != NULL) {
2538                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2539                 case SIGNATURE_UNCHECKED:
2540                 case SIGNATURE_CHECK_FAILED:
2541                 case SIGNATURE_CHECK_TIMEOUT:
2542                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2543                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2544                         break;
2545                 case SIGNATURE_OK:
2546                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2547                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2548                         break;
2549                 case SIGNATURE_WARN:
2550                 case SIGNATURE_KEY_EXPIRED:
2551                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2552                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2553                         break;
2554                 case SIGNATURE_INVALID:
2555                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2556                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2557                         break;
2558                 }
2559                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2560         } else if (encrypted != NULL) {
2561                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2562                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2563         } else {
2564                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2565                                                           OVERLAY_NONE, 6, 3);
2566         }
2567         gtk_container_add(GTK_CONTAINER(button), pixmap);
2568         if (!desc) {
2569                 if (prefs_common.attach_desc)
2570                         desc = get_part_description(mimeinfo);
2571                 else
2572                         desc = get_part_name(mimeinfo);
2573         }
2574
2575         content_type = procmime_get_content_type_str(mimeinfo->type,
2576                                                      mimeinfo->subtype);
2577
2578         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2579                           "\n<b>", _("Size:"), " </b>",
2580                           to_human_readable((goffset)mimeinfo->length), NULL);
2581         g_free(content_type);
2582         if (desc && *desc) {
2583                 gchar *tmp = NULL;
2584                 if (!g_utf8_validate(desc, -1, NULL)) {
2585                         tmp = conv_filename_to_utf8(desc);
2586                 } else {
2587                         tmp = g_strdup(desc);
2588                 }
2589                 tiptmp = g_strconcat(tip, "\n<b>",
2590                                 prefs_common.attach_desc && mimeinfo->description ?
2591                                 _("Description:") : _("Filename:"),
2592                                 " </b>", tmp, NULL);
2593                 g_free(tip);
2594                 tip = tiptmp;
2595                 g_free(tmp);
2596         }
2597         if (sigshort && *sigshort) {
2598                 tiptmp = g_strjoin("\n", tip, g_markup_escape_text(sigshort, -1), NULL);
2599                 g_free(tip);
2600                 tip = tiptmp;
2601         }
2602         g_free(sigshort);
2603
2604         gtk_widget_set_tooltip_markup(button, tip);
2605         g_free(tip);
2606         gtk_widget_show_all(button);
2607         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2608                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2609 #ifndef MAEMO
2610         g_signal_connect(G_OBJECT(button), "popup-menu",
2611                          G_CALLBACK(icon_popup_menu), mimeview);
2612 #else
2613         gtk_widget_tap_and_hold_setup(GTK_WIDGET(button), NULL, NULL,
2614                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
2615         g_signal_connect(G_OBJECT(button), "tap-and-hold",
2616                          G_CALLBACK(icon_popup_menu), mimeview);
2617 #endif
2618         g_signal_connect(G_OBJECT(button), "button_release_event",
2619                          G_CALLBACK(icon_clicked_cb), mimeview);
2620         g_signal_connect(G_OBJECT(button), "key_press_event",
2621                          G_CALLBACK(icon_key_pressed), mimeview);
2622         g_signal_connect(G_OBJECT(button), "drag_data_get",
2623                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2624         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2625 #ifdef GENERIC_UMPC
2626         gtk_widget_size_request(pixmap, &r);
2627         gtk_widget_set_size_request(button, -1, r.height + 4);
2628 #endif
2629
2630 }
2631
2632 static void icon_list_clear (MimeView *mimeview)
2633 {
2634         GList     *child, *orig;
2635         GtkAdjustment *adj;
2636
2637         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2638         for (child = orig; child != NULL; child = g_list_next(child)) {
2639                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2640                                        GTK_WIDGET(child->data));
2641         }
2642         g_list_free(orig);
2643         mimeview->icon_count = 0;
2644         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2645         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2646         gtk_adjustment_changed(adj);
2647 }
2648
2649 /*!
2650  *\brief        Used to 'click' the next or previous icon.
2651  *
2652  *\return       true if the icon 'number' exists and was selected.
2653  */
2654 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2655                                          GtkAllocation *size, MimeView *mimeview)
2656 {
2657         GtkAllocation vbox_size;
2658         GtkAllocation layout_size;
2659         GtkAdjustment *adj;
2660         guint width;
2661         guint height;
2662
2663         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2664
2665         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2666         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2667
2668         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2669         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2670                             width,
2671                             MAX(vbox_size.height, layout_size.height));
2672         gtk_adjustment_set_step_increment(adj, 10);
2673 }
2674
2675 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2676 {
2677         GtkRequisition size;
2678         GtkRequisition requisition;
2679
2680         cm_return_if_fail(mimeinfo != NULL);
2681
2682         while (mimeinfo != NULL) {
2683                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2684                         icon_list_append_icon(mimeview, mimeinfo);
2685                 if (mimeinfo->node->children != NULL)
2686                         icon_list_create(mimeview,
2687                                 (MimeInfo *) mimeinfo->node->children->data);
2688                 mimeinfo = mimeinfo->node->next != NULL
2689                          ? (MimeInfo *) mimeinfo->node->next->data
2690                          : NULL;
2691         }
2692         gtk_widget_size_request(mimeview->icon_vbox, &size);
2693         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2694         if (size.width > requisition.width) {
2695                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2696                                             size.width, -1);
2697         }
2698 }
2699
2700 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2701                                            MimeInfo     *mimeinfo)
2702 {
2703         GList *child;
2704
2705         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2706         for (; child != NULL; child = g_list_next(child)) {
2707                 if (!GTK_IS_EVENT_BOX(child->data))
2708                         continue;
2709                 if(g_object_get_data(G_OBJECT(child->data),
2710                                       "partinfo") == (gpointer)mimeinfo) {
2711                         gboolean *highlight = NULL;
2712                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2713                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2714                         *highlight = TRUE;
2715                         gtk_widget_queue_draw(icon);
2716                 } else {
2717                         gint *highlight = NULL;
2718                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2719                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2720                         *highlight = FALSE;
2721                         gtk_widget_queue_draw(icon);
2722                 }
2723         }
2724 }
2725
2726 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2727                                     MimeView *mimeview)
2728 {
2729         prefs_common.mimeview_tree_height = allocation->height;
2730 }
2731
2732 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2733                                     MimeView *mimeview)
2734 {
2735         g_object_ref(button);
2736
2737         mimeview_leave_notify(button, NULL, NULL);
2738
2739         mimeview->ctree_mode = !mimeview->ctree_mode;
2740         if (mimeview->ctree_mode) {
2741                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2742                                         GTK_SHADOW_NONE);
2743                 gtk_widget_hide(mimeview->icon_mainbox);
2744                 gtk_widget_show(mimeview->ctree_mainbox);
2745                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2746                                         prefs_common.mimeview_tree_height);
2747
2748                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2749                                         button);
2750                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2751                                    button, FALSE, FALSE, 0);
2752         } else {
2753                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2754                               GTK_SHADOW_NONE);
2755                 gtk_widget_hide(mimeview->ctree_mainbox);
2756                 gtk_widget_show(mimeview->icon_mainbox);
2757                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2758
2759                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2760                                         button);
2761                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2762                                    button, FALSE, FALSE, 0);
2763                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2764                 if (mimeview->opened)
2765                         icon_list_toggle_by_mime_info(mimeview,
2766                                         mimeview_get_node_part(mimeview, mimeview->opened));
2767                 summary_grab_focus(mimeview->mainwin->summaryview);
2768         }
2769         g_object_unref(button);
2770         return TRUE;
2771 }
2772
2773 void mimeview_update (MimeView *mimeview) {
2774         if (mimeview && mimeview->mimeinfo) {
2775                 icon_list_clear(mimeview);
2776                 icon_list_create(mimeview, mimeview->mimeinfo);
2777         }
2778 }
2779
2780 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2781 {
2782         MessageView *msgview = NULL;
2783         MainWindow *mainwin = NULL;
2784
2785         if (!cmd)
2786                 return;
2787
2788         msgview = mimeview->messageview;
2789         if (!msgview)
2790                 return;
2791
2792         mainwin = msgview->mainwin;
2793         if (!mainwin)
2794                 return;
2795
2796         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2797                           "pop_partinfo", NULL);
2798
2799         if (!strcmp(cmd, "sc://view_log"))
2800                 log_window_show(mainwin->logwin);
2801         else if (!strcmp(cmd, "sc://save_as"))
2802                 mimeview_save_as(mimeview);
2803         else if (!strcmp(cmd, "sc://display_as_text"))
2804                 mimeview_display_as_text(mimeview);
2805 #ifndef G_OS_WIN32
2806         else if (!strcmp(cmd, "sc://open_with"))
2807                 mimeview_open_with(mimeview);
2808 #endif
2809         else if (!strcmp(cmd, "sc://open"))
2810                 mimeview_launch(mimeview, NULL);
2811         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2812                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2813                 icon_selected(mimeview, -1, (MimeInfo *)data);
2814         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2815                 mimeview_launch(mimeview, (MimeInfo *)data);
2816         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2817                 mimeview->spec_part = (MimeInfo *)data;
2818                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2819         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2820                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2821                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2822                 gtk_toggle_button_set_active(
2823                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2824                                 TRUE);
2825                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2826                                 QUICK_SEARCH_EXTENDED, buf);
2827                 g_free(buf);
2828         }
2829 }
2830
2831 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2832 {
2833         if (mimeview->type == MIMEVIEW_TEXT)
2834                 return textview_scroll_page(mimeview->textview, up);
2835         else if (mimeview->mimeviewer) {
2836                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2837                 if (mimeviewer->scroll_page)
2838                         return mimeviewer->scroll_page(mimeviewer, up);
2839         }
2840         return TRUE;
2841 }
2842
2843 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2844 {
2845         if (mimeview->type == MIMEVIEW_TEXT)
2846                 textview_scroll_one_line(mimeview->textview, up);
2847         else if (mimeview->mimeviewer) {
2848                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2849                 if (mimeviewer->scroll_one_line)
2850                         mimeviewer->scroll_one_line(mimeviewer, up);
2851         }
2852 }