src/mimeview.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2015 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #ifdef G_OS_WIN32
  27 #define UNICODE
  28 #define _UNICODE
  29 #endif
  30
  31 #include <glib.h>
  32 #include <glib/gi18n.h>
  33 #include <gdk/gdkkeysyms.h>
  34 #include <gtk/gtk.h>
  35 #include <stdio.h>
  36 #include <sys/types.h>
  37 #include <sys/stat.h>
  38
  39 #include "main.h"
  40 #include "mimeview.h"
  41 #include "textview.h"
  42 #include "procmime.h"
  43 #include "summaryview.h"
  44 #include "menu.h"
  45 #include "filesel.h"
  46 #include "alertpanel.h"
  47 #include "inputdialog.h"
  48 #include "utils.h"
  49 #include "gtkutils.h"
  50 #include "prefs_common.h"
  51 #include "procheader.h"
  52 #include "stock_pixmap.h"
  53 #include "gtk/gtkvscrollbutton.h"
  54 #include "gtk/logwindow.h"
  55 #include "timing.h"
  56 #include "manage_window.h"
  57 #include "privacy.h"
  58
  59 typedef enum
  60 {
  61         COL_MIMETYPE = 0,
  62         COL_SIZE     = 1,
  63         COL_NAME     = 2,
  64         COL_DATA     = 3,
  65 } MimeViewColumnPos;
  66
  67 #define N_MIMEVIEW_COLS 4
  68
  69 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  70                                                  MimeInfo       *mimeinfo,
  71                                                  GtkTreeIter    *parent);
  72 static void mimeview_show_message_part          (MimeView       *mimeview,
  73                                                  MimeInfo       *partinfo);
  74 static void mimeview_change_view_type           (MimeView       *mimeview,
  75                                                  MimeViewType    type);
  76 static gchar *mimeview_get_filename_for_part    (MimeInfo       *partinfo,
  77                                                  const gchar    *basedir,
  78                                                  gint            number);
  79 static gboolean mimeview_write_part             (const gchar    *filename,
  80                                                  MimeInfo       *partinfo,
  81                                                  gboolean        handle_error);
  82
  83 static void mimeview_selected           (GtkTreeSelection       *selection,
  84                                          MimeView       *mimeview);
  85 static gint mimeview_button_pressed     (GtkWidget      *widget,
  86                                          GdkEventButton *event,
  87                                          MimeView       *mimeview);
  88 static gint mimeview_key_pressed        (GtkWidget      *widget,
  89                                          GdkEventKey    *event,
  90                                          MimeView       *mimeview);
  91
  92 static void mimeview_drag_data_get      (GtkWidget        *widget,
  93                                          GdkDragContext   *drag_context,
  94                                          GtkSelectionData *selection_data,
  95                                          guint             info,
  96                                          guint             time,
  97                                          MimeView         *mimeview);
  98
  99 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 100                                          GdkEventScroll *event,
 101                                          MimeView       *mimeview);
 102
 103 static void mimeview_save_all           (MimeView       *mimeview);
 104 #ifndef G_OS_WIN32
 105 static void mimeview_open_part_with     (MimeView       *mimeview,
 106                                          MimeInfo       *partinfo,
 107                                          gboolean        automatic);
 108 #endif
 109 static void mimeview_send_to            (MimeView       *mimeview,
 110                                          MimeInfo       *partinfo);
 111 static void mimeview_view_file          (const gchar    *filename,
 112                                          MimeInfo       *partinfo,
 113                                          const gchar    *cmd,
 114                                          MimeView       *mimeview);
 115 static gboolean icon_clicked_cb         (GtkWidget      *button,
 116                                          GdkEventButton *event,
 117                                          MimeView       *mimeview);
 118 static void icon_selected               (MimeView       *mimeview,
 119                                          gint            num,
 120                                          MimeInfo       *partinfo);
 121 static gint icon_key_pressed            (GtkWidget      *button,
 122                                          GdkEventKey    *event,
 123                                          MimeView       *mimeview);
 124 static void icon_list_append_icon       (MimeView       *mimeview,
 125                                          MimeInfo       *mimeinfo);
 126 static void icon_list_create            (MimeView       *mimeview,
 127                                          MimeInfo       *mimeinfo);
 128 static void icon_list_clear             (MimeView       *mimeview);
 129 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 130                                            MimeInfo     *mimeinfo);
 131 static void ctree_size_allocate_cb      (GtkWidget      *widget,
 132                                          GtkAllocation  *allocation,
 133                                          MimeView       *mimeview);
 134 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 135                                     MimeView *mimeview);
 136 static gboolean part_button_pressed     (MimeView       *mimeview,
 137                                          GdkEventButton *event,
 138                                          MimeInfo       *partinfo);
 139 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 140                                          GtkAllocation  *layout_size,
 141                                          MimeView       *mimeview);
 142 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 143 static const gchar *get_part_name(MimeInfo *partinfo);
 144 static const gchar *get_part_description(MimeInfo *partinfo);
 145
 146 static void mimeview_launch_cb(GtkAction *action, gpointer data)
 147 {
 148         MimeView *mimeview = (MimeView *)data;
 149         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 150 }
 151
 152 #ifndef G_OS_WIN32
 153 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
 154 {
 155         mimeview_open_with((MimeView *)data);
 156 }
 157 #endif
 158
 159 static void mimeview_send_to_cb(GtkAction *action, gpointer data)
 160 {
 161         MimeView *mimeview = (MimeView *)data;
 162         mimeview_send_to(mimeview, mimeview_get_part_to_use(mimeview));
 163 }
 164
 165 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
 166 {
 167         mimeview_display_as_text((MimeView *)data);
 168 }
 169
 170 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
 171 {
 172         mimeview_save_as((MimeView *)data);
 173 }
 174
 175 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
 176 {
 177         mimeview_save_all((MimeView *)data);
 178 }
 179
 180 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
 181 {
 182         mimeview_select_next_part((MimeView *)data);
 183 }
 184
 185 static void mimeview_select_prev_part_cb(GtkAction *action, gpointer data)
 186 {
 187         mimeview_select_prev_part((MimeView *)data);
 188 }
 189
 190 static GtkActionEntry mimeview_menu_actions[] = {
 191         { "MimeView", NULL, "MimeView" },
 192         { "MimeView/Open", NULL, N_("_Open"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
 193 #if (!defined G_OS_WIN32)
 194         { "MimeView/OpenWith", NULL, N_("Open _with..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
 195 #endif
 196         { "MimeView/SendTo", NULL, N_("Send to..."), NULL, "Send to", G_CALLBACK(mimeview_send_to_cb) },
 197         { "MimeView/DisplayAsText", NULL, N_("_Display as text"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
 198         { "MimeView/SaveAs", NULL, N_("_Save as..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
 199         { "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
 200         { "MimeView/NextPart", NULL, N_("Next part"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) },
 201         { "MimeView/PrevPart", NULL, N_("Previous part"), NULL, "Previous part", G_CALLBACK(mimeview_select_prev_part_cb) }
 202 };
 203
 204 static GtkTargetEntry mimeview_mime_types[] =
 205 {
 206         {"text/uri-list", 0, 0}
 207 };
 208
 209 GSList *mimeviewer_factories;
 210 GSList *mimeviews;
 211
 212 static GdkCursor *hand_cursor = NULL;
 213
 214 static gboolean mimeview_visi_notify(GtkWidget *widget,
 215                                        GdkEventVisibility *event,
 216                                        MimeView *mimeview)
 217 {
 218         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 219         return FALSE;
 220 }
 221
 222 static gboolean mimeview_leave_notify(GtkWidget *widget,
 223                                       GdkEventCrossing *event,
 224                                       MimeView *mimeview)
 225 {
 226         gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
 227         return FALSE;
 228 }
 229
 230 static gboolean mimeview_enter_notify(GtkWidget *widget,
 231                                       GdkEventCrossing *event,
 232                                       MimeView *mimeview)
 233 {
 234         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 235         return FALSE;
 236 }
 237
 238 MimeView *mimeview_create(MainWindow *mainwin)
 239 {
 240         MimeView *mimeview;
 241
 242         GtkWidget *paned;
 243         GtkWidget *scrolledwin;
 244         GtkWidget *ctree;
 245         GtkWidget *mime_notebook;
 246         GtkWidget *popupmenu;
 247         GtkWidget *ctree_mainbox;
 248         GtkWidget *vbox;
 249         GtkWidget *mime_toggle;
 250         GtkWidget *icon_mainbox;
 251         GtkWidget *icon_scroll;
 252         GtkWidget *icon_vbox;
 253         GtkWidget *arrow;
 254         GtkWidget *scrollbutton;
 255         GtkWidget *hbox;
 256         NoticeView *siginfoview;
 257         GtkRequisition r;
 258         GtkTreeStore *model;
 259         GtkCellRenderer *renderer;
 260         GtkTreeViewColumn *column;
 261         GtkTreeSelection *selection;
 262
 263         gchar *titles[N_MIMEVIEW_COLS];
 264         gint cols;
 265
 266         if (!hand_cursor)
 267                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 268
 269         debug_print("Creating MIME view...\n");
 270         mimeview = g_new0(MimeView, 1);
 271
 272         titles[COL_MIMETYPE] = _("MIME Type");
 273         titles[COL_SIZE]     = _("Size");
 274         titles[COL_NAME]     = _("Name");
 275
 276         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 277         gtk_widget_show(scrolledwin);
 278         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 279                                        GTK_POLICY_AUTOMATIC,
 280                                        GTK_POLICY_AUTOMATIC);
 281
 282         model = gtk_tree_store_new(N_MIMEVIEW_COLS,
 283                                    G_TYPE_STRING,
 284                                    G_TYPE_STRING,
 285                                    G_TYPE_STRING,
 286                                    G_TYPE_POINTER);
 287
 288         ctree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
 289         g_object_unref(model);
 290         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
 291         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(ctree),
 292                                         prefs_common.use_stripes_everywhere);
 293         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
 294                                         prefs_common.show_col_headers);
 295
 296         renderer = gtk_cell_renderer_text_new();
 297         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 298                                         -1, titles[COL_MIMETYPE],renderer,
 299                                         "text", COL_MIMETYPE, NULL);
 300         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 301
 302         renderer = gtk_cell_renderer_text_new();
 303         gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
 304         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 305                                         -1, titles[COL_SIZE], renderer,
 306                                         "text", COL_SIZE, NULL);
 307         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 308         gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
 309
 310         renderer = gtk_cell_renderer_text_new();
 311         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 312                                         -1, titles[COL_NAME], renderer,
 313                                         "text", COL_NAME, NULL);
 314         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 315         gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
 316
 317         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
 318         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 319
 320         gtk_widget_show(ctree);
 321         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 322         gtk_drag_source_set(ctree, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
 323                             mimeview_mime_types, 1, GDK_ACTION_COPY);
 324
 325         g_signal_connect(G_OBJECT(selection), "changed",
 326                          G_CALLBACK(mimeview_selected), mimeview);
 327         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 328                          G_CALLBACK(mimeview_button_pressed), mimeview);
 329         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 330                          G_CALLBACK(mimeview_key_pressed), mimeview);
 331         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 332                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 333
 334         mime_notebook = gtk_notebook_new();
 335         gtk_widget_show(mime_notebook);
 336         gtk_widget_set_can_focus(mime_notebook, FALSE);
 337         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 338         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 339
 340         icon_vbox = gtk_vbox_new(FALSE, 2);
 341         gtk_widget_show(icon_vbox);
 342         icon_scroll = gtk_layout_new(NULL, NULL);
 343         gtk_widget_show(icon_scroll);
 344         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 345         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 346         gtk_widget_show(scrollbutton);
 347
 348         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 349                          G_CALLBACK(mimeview_scrolled), mimeview);
 350
 351         mime_toggle = gtk_event_box_new();
 352         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 353
 354         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 355                          G_CALLBACK(mimeview_visi_notify), mimeview);
 356         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 357                          G_CALLBACK(mimeview_leave_notify), mimeview);
 358         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 359                          G_CALLBACK(mimeview_enter_notify), mimeview);
 360
 361         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 362         gtk_widget_show(mime_toggle);
 363         mimeview->ctree_mode = FALSE;
 364         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 365         gtk_widget_show(arrow);
 366         gtk_widget_size_request(arrow, &r);
 367         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 368         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 369                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 370
 371         icon_mainbox = gtk_vbox_new(FALSE, 0);
 372         gtk_widget_show(icon_mainbox);
 373         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 374         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 375         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 376         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 377         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 378                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 379
 380         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 381         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 382         g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
 383                          G_CALLBACK(ctree_size_allocate_cb), mimeview);
 384
 385         mimeview->ui_manager = gtk_ui_manager_new();
 386         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 387                         "MimeView", mimeview_menu_actions,
 388                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 389
 390         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 391         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 392                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 393         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 394                         "/Menus/MimeView/", "Open", "MimeView/Open",
 395                         GTK_UI_MANAGER_MENUITEM);
 396 #if (!defined G_OS_WIN32)
 397         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 398                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 399                         GTK_UI_MANAGER_MENUITEM);
 400 #endif
 401         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 402                         "/Menus/MimeView/", "SendTo", "MimeView/SendTo",
 403                         GTK_UI_MANAGER_MENUITEM);
 404         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 405                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 406                         GTK_UI_MANAGER_MENUITEM);
 407         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 408                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 409                         GTK_UI_MANAGER_MENUITEM);
 410         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 411                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 412                         GTK_UI_MANAGER_MENUITEM);
 413         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 414                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 415                         GTK_UI_MANAGER_MENUITEM);
 416         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 417                         "/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
 418                         GTK_UI_MANAGER_MENUITEM);
 419
 420         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 421                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 422
 423
 424         vbox = gtk_vbox_new(FALSE, 0);
 425         gtk_widget_show(vbox);
 426         siginfoview = noticeview_create(mainwin);
 427         noticeview_hide(siginfoview);
 428         noticeview_set_icon_clickable(siginfoview, TRUE);
 429         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 430         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 431
 432         paned = gtk_vpaned_new();
 433         gtk_widget_show(paned);
 434         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 435         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 436
 437         hbox = gtk_hbox_new(FALSE, 0);
 438         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 439         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 440
 441         gtk_widget_show(hbox);
 442         gtk_widget_hide(ctree_mainbox);
 443 #ifdef GENERIC_UMPC
 444         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 445 #endif
 446         mimeview->hbox          = hbox;
 447         mimeview->paned         = paned;
 448         mimeview->scrolledwin   = scrolledwin;
 449         mimeview->ctree         = ctree;
 450         mimeview->mime_notebook = mime_notebook;
 451         mimeview->popupmenu     = popupmenu;
 452         mimeview->type          = -1;
 453         mimeview->ctree_mainbox = ctree_mainbox;
 454         mimeview->icon_scroll   = icon_scroll;
 455         mimeview->icon_vbox     = icon_vbox;
 456         mimeview->icon_mainbox  = icon_mainbox;
 457         mimeview->icon_count    = 0;
 458         mimeview->mainwin       = mainwin;
 459         mimeview->mime_toggle   = mime_toggle;
 460         mimeview->siginfoview   = siginfoview;
 461         mimeview->scrollbutton  = scrollbutton;
 462         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 463
 464         mimeviews = g_slist_prepend(mimeviews, mimeview);
 465
 466         return mimeview;
 467 }
 468
 469 void mimeview_init(MimeView *mimeview)
 470 {
 471         textview_init(mimeview->textview);
 472
 473         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 474                 GTK_WIDGET_PTR(mimeview->textview));
 475 }
 476
 477 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 478 {
 479         while (mimeinfo) {
 480                 if (privacy_mimeinfo_is_signed(mimeinfo))
 481                         return TRUE;
 482                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 483         }
 484
 485         return FALSE;
 486 }
 487
 488 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 489                            const gchar *file)
 490 {
 491         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 492
 493         mimeview_clear(mimeview);
 494
 495         cm_return_if_fail(file != NULL);
 496         cm_return_if_fail(mimeinfo != NULL);
 497
 498         mimeview->mimeinfo = mimeinfo;
 499
 500         mimeview->file = g_strdup(file);
 501
 502         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 503                                         mimeview);
 504
 505         /* check if the mail's signed - it can change the mail structure */
 506
 507         if (any_part_is_signed(mimeinfo))
 508                 debug_print("signed mail\n");
 509
 510         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 511         gtk_tree_view_expand_all(ctree);
 512         icon_list_clear(mimeview);
 513         icon_list_create(mimeview, mimeinfo);
 514
 515         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 516                                           mimeview_selected, mimeview);
 517 }
 518
 519 #ifdef USE_PTHREAD
 520 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 521 #endif
 522
 523 static void mimeview_free_mimeinfo(MimeView *mimeview)
 524 {
 525         gboolean defer = FALSE;
 526 #ifdef USE_PTHREAD
 527         defer = (mimeview->check_data != NULL);
 528         if (defer)
 529                 mimeview->check_data->free_after_use = TRUE;
 530 #endif
 531         if (mimeview->mimeinfo != NULL && !defer) {
 532                 procmime_mimeinfo_free_all(&mimeview->mimeinfo);
 533                 mimeview->mimeinfo = NULL;
 534         } else if (defer) {
 535 #ifdef USE_PTHREAD
 536                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 537                 mimeview_check_sig_cancel_now(mimeview);
 538 #endif
 539         }
 540 }
 541
 542 void mimeview_destroy(MimeView *mimeview)
 543 {
 544         GSList *cur;
 545
 546         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 547                 MimeViewer *viewer = (MimeViewer *) cur->data;
 548                 viewer->destroy_viewer(viewer);
 549         }
 550         g_slist_free(mimeview->viewers);
 551         gtk_target_list_unref(mimeview->target_list);
 552
 553 #ifdef USE_PTHREAD
 554         if (mimeview->check_data) {
 555                 mimeview->check_data->destroy_mimeview = TRUE;
 556                 debug_print("deferring destroy\n");
 557         } else
 558 #endif
 559         {
 560                 mimeview_free_mimeinfo(mimeview);
 561                 gtk_tree_path_free(mimeview->opened);
 562                 g_free(mimeview->file);
 563                 g_free(mimeview);
 564                 mimeviews = g_slist_remove(mimeviews, mimeview);
 565         }
 566
 567 }
 568
 569 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 570 {
 571         return gtkut_tree_view_get_selected_pointer(
 572                         GTK_TREE_VIEW(mimeview->ctree), COL_DATA,
 573                         NULL, NULL, NULL);
 574 }
 575
 576 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 577 {
 578         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 579         GtkTreeIter iter;
 580         MimeInfo *partinfo;
 581
 582         gtk_tree_model_get_iter(model, &iter, path);
 583         gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 584         return partinfo;
 585 }
 586
 587 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 588 {
 589         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 590         GtkTreeIter iter;
 591         return !gtk_tree_model_get_iter_first(model, &iter);
 592 }
 593
 594 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 595 {
 596         GtkTreeIter iter, parent;
 597         gboolean has_parent;
 598
 599         gtk_tree_model_get_iter(model, &iter, path);
 600
 601         if (gtk_tree_model_iter_has_child(model, &iter)) {
 602                 gtk_tree_path_down(path);
 603                 return TRUE;
 604         }
 605
 606         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 607
 608         if (!gtk_tree_model_iter_next(model, &iter)) {
 609                 while (has_parent) {
 610                         GtkTreeIter saved_parent = parent;
 611                         gtk_tree_path_up(path);
 612                         if (gtk_tree_model_iter_next(model, &parent)) {
 613                                 gtk_tree_path_next(path);
 614                                 return TRUE;
 615                         } else {
 616                                 has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 617                         }
 618                 }
 619
 620         } else {
 621                 gtk_tree_path_next(path);
 622                 return TRUE;
 623         }
 624
 625         return FALSE;
 626 }
 627
 628 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 629 {
 630         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 631         GtkTreeIter iter, child, parent;
 632         gboolean has_parent;
 633
 634         gtk_tree_model_get_iter(model, &iter, path);
 635         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 636
 637         if (gtk_tree_path_prev(path)) {
 638                 gtk_tree_model_get_iter(model, &iter, path);
 639
 640                 if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 641                         gtk_tree_path_down(path);
 642
 643                         while (gtk_tree_model_iter_next(model, &child))
 644                                 gtk_tree_path_next(path);
 645                 }
 646
 647                 return TRUE;
 648         }
 649
 650         if (has_parent) {
 651                 gtk_tree_path_up(path);
 652                 return TRUE;
 653         }
 654
 655         return FALSE;
 656 }
 657
 658 gint mimeview_get_selected_part_num(MimeView *mimeview)
 659 {
 660         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 661         GtkTreeIter iter;
 662         GtkTreePath *path;
 663         gint i = 0;
 664
 665         gtk_tree_model_get_iter_first(model, &iter);
 666         path = gtk_tree_model_get_path(model, &iter);
 667
 668         do {
 669                 if (!gtk_tree_path_compare(mimeview->opened, path)) {
 670                         gtk_tree_path_free(path);
 671                         return i;
 672                 }
 673
 674                 i++;
 675         } while (mimeview_tree_next(model, path));
 676
 677         gtk_tree_path_free(path);
 678
 679         return -1;
 680 }
 681
 682 void mimeview_select_part_num(MimeView *mimeview, gint i)
 683 {
 684         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 685         GtkTreeIter iter;
 686         GtkTreePath *path;
 687         GtkTreeSelection *selection;
 688         gint x = 0;
 689
 690         if (i < 0)
 691                 return;
 692
 693         gtk_tree_model_get_iter_first(model, &iter);
 694         path = gtk_tree_model_get_path(model, &iter);
 695
 696         while (x != i) {
 697                 if (!mimeview_tree_next(model, path)) {
 698                         gtk_tree_path_free(path);
 699                         return;
 700                 }
 701                 x++;
 702         }
 703
 704         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 705         gtk_tree_selection_select_path(selection, path);
 706         gtk_tree_path_free(path);
 707 }
 708
 709 static void mimeview_set_multipart_tree(MimeView *mimeview,
 710                                         MimeInfo *mimeinfo,
 711                                         GtkTreeIter *parent)
 712 {
 713         GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 714                                         GTK_TREE_VIEW(mimeview->ctree)));
 715         GtkTreeIter iter;
 716         gchar *content_type, *length, *name;
 717
 718         cm_return_if_fail(mimeinfo != NULL);
 719
 720         while (mimeinfo != NULL) {
 721                 if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 722                         content_type = g_strdup_printf("%s/%s",
 723                                         procmime_get_media_type_str(mimeinfo->type),
 724                                         mimeinfo->subtype);
 725                 else
 726                         content_type = g_strdup("UNKNOWN");
 727
 728                 length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 729
 730                 if (prefs_common.attach_desc)
 731                         name = g_strdup(get_part_description(mimeinfo));
 732                 else
 733                         name = g_strdup(get_part_name(mimeinfo));
 734
 735                 gtk_tree_store_append(model, &iter, parent);
 736                 gtk_tree_store_set(model, &iter,
 737                                 COL_MIMETYPE, content_type,
 738                                 COL_SIZE, length,
 739                                 COL_NAME, name,
 740                                 COL_DATA, mimeinfo, -1);
 741                 g_free(content_type);
 742                 g_free(length);
 743                 g_free(name);
 744
 745                 if (mimeinfo->node->children)
 746                         mimeview_set_multipart_tree(mimeview,
 747                                 (MimeInfo *) mimeinfo->node->children->data, &iter);
 748                 mimeinfo = mimeinfo->node->next != NULL ?
 749                                 (MimeInfo *) mimeinfo->node->next->data : NULL;
 750         }
 751 }
 752
 753 static const gchar *get_real_part_name(MimeInfo *partinfo)
 754 {
 755         const gchar *name = NULL;
 756
 757         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 758         if (name == NULL)
 759                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 760
 761         return name;
 762 }
 763
 764 static const gchar *get_part_name(MimeInfo *partinfo)
 765 {
 766         const gchar *name;
 767
 768         name = get_real_part_name(partinfo);
 769         if (name == NULL)
 770                 name = "";
 771
 772         return name;
 773 }
 774
 775 static const gchar *get_part_description(MimeInfo *partinfo)
 776 {
 777         if (partinfo->description)
 778                 return partinfo->description;
 779         else
 780                 return get_part_name(partinfo);
 781 }
 782
 783 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 784 {
 785         FILE *fp;
 786         const gchar *fname;
 787
 788         if (!partinfo) return;
 789
 790         fname = mimeview->file;
 791         if (!fname) return;
 792
 793         if ((fp = g_fopen(fname, "rb")) == NULL) {
 794                 FILE_OP_ERROR(fname, "fopen");
 795                 return;
 796         }
 797
 798         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 799                 FILE_OP_ERROR(mimeview->file, "fseek");
 800                 fclose(fp);
 801                 return;
 802         }
 803
 804         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 805         textview_show_part(mimeview->textview, partinfo, fp);
 806
 807         fclose(fp);
 808 }
 809
 810 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 811 {
 812         GSList *cur;
 813         MimeViewerFactory *factory = NULL;
 814         MimeViewer *viewer = NULL;
 815         gchar *real_contenttype = NULL, *tmp;
 816
 817         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 818
 819         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 820                 MimeViewerFactory *curfactory = cur->data;
 821                 gint i = 0;
 822
 823                 while (curfactory->content_types[i] != NULL) {
 824                         tmp = g_utf8_strdown(curfactory->content_types[i], -1);
 825                         if (g_pattern_match_simple(tmp, real_contenttype)) {
 826                                 debug_print("%s\n", curfactory->content_types[i]);
 827                                 factory = curfactory;
 828                                 g_free(tmp);
 829                                 break;
 830                         }
 831                         g_free(tmp);
 832                         i++;
 833                 }
 834                 if (factory != NULL)
 835                         break;
 836         }
 837         g_free(real_contenttype);
 838         if (factory == NULL)
 839                 return NULL;
 840
 841         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 842                 MimeViewer *curviewer = cur->data;
 843
 844                 if (curviewer->factory == factory)
 845                         return curviewer;
 846         }
 847         viewer = factory->create_viewer();
 848         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 849                 GTK_WIDGET(viewer->get_widget(viewer)));
 850
 851         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 852
 853         return viewer;
 854 }
 855
 856 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 857 {
 858         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 859 }
 860
 861 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 862 {
 863         gchar *content_type = NULL;
 864         MimeViewer *viewer = NULL;
 865
 866         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 867             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 868                 const gchar *filename;
 869
 870                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 871                 if (filename == NULL)
 872                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 873                 if (filename != NULL)
 874                         content_type = procmime_get_mime_type(filename);
 875         } else {
 876                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 877         }
 878
 879         if (content_type != NULL) {
 880                 viewer = get_viewer_for_content_type(mimeview, content_type);
 881                 g_free(content_type);
 882         }
 883
 884         return viewer;
 885 }
 886
 887 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 888 {
 889         MimeViewer *viewer;
 890
 891         if (mimeview->messageview->partial_display_shown) {
 892                 noticeview_hide(mimeview->messageview->noticeview);
 893                 mimeview->messageview->partial_display_shown = FALSE;
 894         }
 895
 896         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 897         if (viewer == NULL) {
 898                 if (mimeview->mimeviewer != NULL)
 899                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 900                 mimeview->mimeviewer = NULL;
 901                 return FALSE;
 902         }
 903
 904         if (mimeview->mimeviewer != NULL)
 905                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 906
 907         if (mimeview->mimeviewer != viewer)
 908                 mimeview->mimeviewer = viewer;
 909
 910         mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 911         viewer->mimeview = mimeview;
 912         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 913
 914         return TRUE;
 915 }
 916
 917 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 918 {
 919         TextView  *textview  = mimeview->textview;
 920         GtkWidget *focused = NULL;
 921
 922         if (mainwindow_get_mainwindow())
 923                 focused = gtkut_get_focused_child(
 924                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 925
 926         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 927             (mimeview->type == type)) return;
 928
 929         switch (type) {
 930         case MIMEVIEW_TEXT:
 931                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 932                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 933                         GTK_WIDGET_PTR(textview)));
 934                 break;
 935         case MIMEVIEW_VIEWER:
 936                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 937                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 938                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 939                 break;
 940         default:
 941                 return;
 942         }
 943         if (focused)
 944                 gtk_widget_grab_focus(focused);
 945         mimeview->type = type;
 946 }
 947
 948 void mimeview_clear(MimeView *mimeview)
 949 {
 950         GtkTreeModel *model;
 951
 952         if (!mimeview)
 953                 return;
 954
 955         if (g_slist_find(mimeviews, mimeview) == NULL)
 956                 return;
 957
 958         noticeview_hide(mimeview->siginfoview);
 959
 960         model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 961         gtk_tree_store_clear(GTK_TREE_STORE(model));
 962
 963         textview_clear(mimeview->textview);
 964         if (mimeview->mimeviewer != NULL)
 965                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 966
 967         mimeview_free_mimeinfo(mimeview);
 968
 969         mimeview->mimeinfo = NULL;
 970
 971         gtk_tree_path_free(mimeview->opened);
 972         mimeview->opened = NULL;
 973
 974         g_free(mimeview->file);
 975         mimeview->file = NULL;
 976
 977         icon_list_clear(mimeview);
 978         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 979 }
 980
 981 gchar * get_message_check_signature_shortcut(MessageView *messageview) {
 982         GtkUIManager *ui_manager;
 983
 984         if (messageview->window != NULL)
 985                         ui_manager = messageview->ui_manager;
 986                 else
 987                         ui_manager = messageview->mainwin->ui_manager;
 988
 989         return cm_menu_item_get_shortcut(ui_manager, "Menu/Message/CheckSignature");
 990 }
 991
 992 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 993 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 994
 995 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
 996                                         gboolean special, SignatureStatus code)
 997 {
 998         gchar *text = NULL, *button_text = NULL;
 999         void  *func = NULL;
1000         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1001         SignatureStatus mycode = SIGNATURE_UNCHECKED;
1002
1003         cm_return_if_fail(mimeview != NULL);
1004         cm_return_if_fail(mimeinfo != NULL);
1005
1006         if (special)
1007                 mycode = code;
1008         else
1009                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1010
1011         switch (mycode) {
1012         case SIGNATURE_UNCHECKED:
1013                 button_text = _("Check signature");
1014                 func = check_signature_cb;
1015                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1016                 break;
1017         case SIGNATURE_OK:
1018                 button_text = _("View full information");
1019                 func = display_full_info_cb;
1020                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
1021                 break;
1022         case SIGNATURE_WARN:
1023                 button_text = _("View full information");
1024                 func = display_full_info_cb;
1025                 icon = STOCK_PIXMAP_PRIVACY_WARN;
1026                 break;
1027         case SIGNATURE_KEY_EXPIRED:
1028                 button_text = _("View full information");
1029                 func = display_full_info_cb;
1030                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1031                 break;
1032         case SIGNATURE_INVALID:
1033                 button_text = _("View full information");
1034                 func = display_full_info_cb;
1035                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
1036                 break;
1037         case SIGNATURE_CHECK_FAILED:
1038         case SIGNATURE_CHECK_TIMEOUT:
1039                 button_text = _("Check again");
1040                 func = check_signature_cb;
1041                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1042                 break;
1043         default:
1044                 break;
1045         }
1046         if (mycode == SIGNATURE_UNCHECKED) {
1047                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1048                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1049
1050                 if (*shortcut == '\0')
1051                         text = g_strdup_printf(_("%s Click the icon to check it."), tmp);
1052                 else
1053                         text = g_strdup_printf(_("%s Click the icon or hit '%s' to check it."),
1054                                 tmp, shortcut);
1055                 g_free(tmp);
1056                 g_free(shortcut);
1057         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1058                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1059         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1060                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1061
1062                 if (*shortcut == '\0')
1063                         text = g_strdup(_("Timeout checking the signature. Click the icon to try again."));
1064                 else
1065                         text = g_strdup_printf(_("Timeout checking the signature. Click the icon or hit '%s' to try again."), shortcut);
1066                 g_free(shortcut);
1067         }
1068
1069         noticeview_set_text(mimeview->siginfoview, text);
1070         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1071
1072         g_free(text);
1073         noticeview_set_button_text(mimeview->siginfoview, NULL);
1074         noticeview_set_button_press_callback(
1075                 mimeview->siginfoview,
1076                 G_CALLBACK(func),
1077                 (gpointer) mimeview);
1078         noticeview_set_icon(mimeview->siginfoview, icon);
1079         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1080
1081         icon_list_clear(mimeview);
1082         icon_list_create(mimeview, mimeview->mimeinfo);
1083 }
1084
1085 #ifdef USE_PTHREAD
1086
1087 /* reset all thread stuff, and do the cleanups we've been left to do */
1088 static void mimeview_check_data_reset(MimeView *mimeview)
1089 {
1090         gboolean must_free;
1091         gboolean must_destroy;
1092
1093         if (!mimeview->check_data)
1094                 return;
1095
1096         must_free = mimeview->check_data->free_after_use;
1097         must_destroy = mimeview->check_data->destroy_mimeview;
1098
1099         if (mimeview->check_data->cancel_th_init) {
1100                 debug_print("killing canceller thread\n");
1101                 mimeview->check_data->cancel_th_init = FALSE;
1102                 pthread_cancel(mimeview->check_data->cancel_th);
1103         }
1104
1105         if (must_free) {
1106                 debug_print("freeing deferred mimeinfo\n");
1107                 procmime_mimeinfo_free_all(&mimeview->check_data->siginfo);
1108         }
1109
1110         g_free(mimeview->check_data);
1111         mimeview->check_data = NULL;
1112
1113         if (must_destroy) {
1114                 debug_print("freeing deferred mimeview\n");
1115                 mimeview_free_mimeinfo(mimeview);
1116                 gtk_tree_path_free(mimeview->opened);
1117                 g_free(mimeview->file);
1118                 g_free(mimeview);
1119                 mimeviews = g_slist_remove(mimeviews, mimeview);
1120         }
1121 }
1122
1123 /* GUI update once the checker thread is done or killed */
1124 static gboolean mimeview_check_sig_thread_cb(void *data)
1125 {
1126         MimeView *mimeview = (MimeView *) data;
1127         MimeInfo *mimeinfo = mimeview->siginfo;
1128
1129         debug_print("mimeview_check_sig_thread_cb\n");
1130
1131         if (mimeinfo == NULL) {
1132                 /* message changed !? */
1133                 g_warning("no more siginfo!");
1134                 goto end;
1135         }
1136
1137         if (!mimeview->check_data) {
1138                 g_warning("nothing to check");
1139                 return FALSE;
1140         }
1141
1142         if (mimeview->check_data->siginfo != mimeinfo) {
1143                 /* message changed !? */
1144                 g_warning("different siginfo!");
1145                 goto end;
1146         }
1147
1148         if (mimeview->check_data->destroy_mimeview ||
1149             mimeview->check_data->free_after_use) {
1150                 debug_print("not bothering, we're changing message\n");
1151                 goto end;
1152         }
1153
1154         /* update status */
1155         if (mimeview->check_data->timeout)
1156                 update_signature_noticeview(mimeview, mimeview->siginfo,
1157                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1158         else
1159                 update_signature_noticeview(mimeview, mimeview->siginfo,
1160                         FALSE, 0);
1161
1162 end:
1163         mimeview_check_data_reset(mimeview);
1164         return FALSE;
1165 }
1166
1167 /* sig checker thread */
1168 static void *mimeview_check_sig_worker_thread(void *data)
1169 {
1170         MimeView *mimeview = (MimeView *)data;
1171         MimeInfo *mimeinfo = mimeview->siginfo;
1172
1173         debug_print("checking...\n");
1174
1175         if (!mimeview->check_data)
1176                 return NULL;
1177
1178         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1179                 privacy_mimeinfo_check_signature(mimeinfo);
1180                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1181                         mimeview->check_data->cancel_th_init = FALSE;
1182                         pthread_cancel(mimeview->check_data->cancel_th);
1183                 }
1184         } else {
1185                 /* that's strange! we changed message without
1186                  * getting killed. */
1187                 g_warning("different siginfo!");
1188                 mimeview_check_data_reset(mimeview);
1189                 return NULL;
1190         }
1191
1192         /* use g_timeout so that GUI updates is done from the
1193          * correct thread */
1194         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1195
1196         return NULL;
1197 }
1198
1199 /* killer thread - acts when the checker didn't work fast
1200  * enough. */
1201 static void *mimeview_check_sig_cancel_thread(void *data)
1202 {
1203         MimeView *mimeview = (MimeView *)data;
1204
1205         if (!mimeview->check_data)
1206                 return NULL; /* nothing to kill ! */
1207
1208         /* wait for a few seconds... */
1209         debug_print("waiting a while\n");
1210
1211         g_usleep(5 * 1000 * 1000);
1212
1213         if (!mimeview->check_data)
1214                 return NULL; /* nothing to kill, it's done in time :) */
1215
1216         /* too late, go away checker thread */
1217         debug_print("killing checker thread\n");
1218         if (mimeview->check_data->th_init) {
1219                 mimeview->check_data->th_init = FALSE;
1220                 pthread_cancel(mimeview->check_data->th);
1221         }
1222
1223         /* tell upstream it was a timeout */
1224         mimeview->check_data->timeout = TRUE;
1225         /* use g_timeout so that GUI updates is done from the
1226          * correct thread */
1227         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1228
1229         return NULL;
1230 }
1231
1232 /* get rid of the checker thread right now - used when changing the
1233  * displayed message for example. */
1234 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1235 {
1236         if (!mimeview->check_data)
1237                 return;
1238         debug_print("killing checker thread NOW\n");
1239         if (mimeview->check_data->th_init) {
1240                 mimeview->check_data->th_init = FALSE;
1241                 pthread_cancel(mimeview->check_data->th);
1242         }
1243
1244         /* tell upstream it was a timeout */
1245         mimeview->check_data->timeout = TRUE;
1246         mimeview_check_sig_thread_cb(mimeview);
1247         return;
1248 }
1249
1250 /* creates a thread to check the signature, and a second one
1251  * to kill the first one after a timeout */
1252 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1253 {
1254         pthread_t th, th2;
1255         pthread_attr_t detach, detach2;
1256
1257         if (mimeview->check_data) {
1258                 g_warning("already checking it");
1259                 return;
1260         }
1261
1262         mimeview->check_data = g_new0(SigCheckData, 1);
1263         mimeview->check_data->siginfo = mimeview->siginfo;
1264         debug_print("creating thread\n");
1265
1266         /* init thread attributes and create the checker thread */
1267         if (pthread_attr_init(&detach) != 0 ||
1268             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1269             pthread_attr_init(&detach2) != 0 ||
1270             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1271             pthread_create(&th, &detach,
1272                         mimeview_check_sig_worker_thread,
1273                         mimeview) != 0) {
1274                 /* arh. We'll do it synchronously. */
1275                 g_warning("can't create thread");
1276                 g_free(mimeview->check_data);
1277                 mimeview->check_data = NULL;
1278                 return;
1279         } else {
1280                 mimeview->check_data->th = th;
1281                 mimeview->check_data->th_init = TRUE;
1282         }
1283
1284         /* create the killer thread */
1285         pthread_create(&th2, &detach2,
1286                         mimeview_check_sig_cancel_thread,
1287                         mimeview);
1288
1289         mimeview->check_data->cancel_th = th2;
1290         mimeview->check_data->cancel_th_init = TRUE;
1291 }
1292 #endif
1293
1294 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1295 {
1296         MimeView *mimeview = (MimeView *) user_data;
1297         MimeInfo *mimeinfo = mimeview->siginfo;
1298
1299         if (mimeinfo == NULL)
1300                 return;
1301 #ifdef USE_PTHREAD
1302         if (mimeview->check_data)
1303                 return;
1304 #endif
1305         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1306         GTK_EVENTS_FLUSH();
1307 #ifdef USE_PTHREAD
1308         /* let's do it non-blocking */
1309         mimeview_check_sig_in_thread(mimeview);
1310         if (!mimeview->check_data) /* let's check syncronously */
1311 #endif
1312         {
1313                 debug_print("checking without thread\n");
1314                 privacy_mimeinfo_check_signature(mimeinfo);
1315                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1316         }
1317 }
1318
1319 void mimeview_check_signature(MimeView *mimeview)
1320 {
1321         check_signature_cb(NULL, mimeview);
1322 }
1323
1324 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1325 {
1326         MimeView *mimeview = (MimeView *) user_data;
1327         gtk_tree_path_free(mimeview->opened);
1328         mimeview->opened = NULL;
1329         mimeview_selected(gtk_tree_view_get_selection(
1330                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1331 }
1332
1333 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1334 {
1335         MimeView *mimeview = (MimeView *) user_data;
1336         gchar *siginfo;
1337
1338         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1339         textview_set_text(mimeview->textview, siginfo);
1340         g_free(siginfo);
1341         noticeview_set_button_text(mimeview->siginfoview, NULL);
1342         noticeview_set_button_press_callback(
1343                 mimeview->siginfoview,
1344                 G_CALLBACK(redisplay_email),
1345                 (gpointer) mimeview);
1346         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1347 }
1348
1349 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1350 {
1351         MimeInfo *siginfo;
1352         MimeInfo *first_text;
1353
1354         cm_return_if_fail(mimeview != NULL);
1355         cm_return_if_fail(selected != NULL);
1356
1357         if (selected->type == MIMETYPE_MESSAGE
1358         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1359                 /* if the first text part is signed, check that */
1360                 first_text = selected;
1361                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1362                         first_text = procmime_mimeinfo_next(first_text);
1363                 }
1364                 if (first_text) {
1365                         update_signature_info(mimeview, first_text);
1366                         return;
1367                 }
1368         }
1369
1370         siginfo = selected;
1371         while (siginfo != NULL) {
1372                 if (privacy_mimeinfo_is_signed(siginfo))
1373                         break;
1374                 siginfo = procmime_mimeinfo_parent(siginfo);
1375         }
1376         mimeview->siginfo = siginfo;
1377
1378         /* This shortcut boolean is there to correctly set the menu's
1379          * CheckSignature item sensitivity without killing performance
1380          * each time the menu sensitiveness is updated (a lot).
1381          */
1382         mimeview->signed_part = (siginfo != NULL);
1383
1384         if (siginfo == NULL) {
1385                 noticeview_hide(mimeview->siginfoview);
1386                 return;
1387         }
1388
1389         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1390         noticeview_show(mimeview->siginfoview);
1391 }
1392
1393 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1394 {
1395         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1396         GtkTreeModel *model;
1397         GtkTreeIter iter;
1398         GtkTreePath *path;
1399         MimeInfo *partinfo;
1400
1401         selection = gtk_tree_view_get_selection(ctree);
1402         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1403                 return;
1404
1405         path = gtk_tree_model_get_path(model, &iter);
1406
1407         if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1408                 gtk_tree_path_free(path);
1409                 return;
1410         }
1411
1412         gtk_tree_path_free(mimeview->opened);
1413         mimeview->opened = path;
1414         mimeview->spec_part = NULL;
1415         gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1416
1417         partinfo = mimeview_get_node_part(mimeview, path);
1418         if (!partinfo) return;
1419
1420         /* ungrab the mouse event */
1421         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1422                 gtk_grab_remove(GTK_WIDGET(ctree));
1423                 if (gdk_pointer_is_grabbed())
1424                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1425         }
1426
1427         mimeview->textview->default_text = FALSE;
1428
1429         update_signature_info(mimeview, partinfo);
1430
1431         if (!mimeview_show_part(mimeview, partinfo)) {
1432                 switch (partinfo->type) {
1433                 case MIMETYPE_TEXT:
1434                 case MIMETYPE_MESSAGE:
1435                 case MIMETYPE_MULTIPART:
1436                         mimeview_show_message_part(mimeview, partinfo);
1437
1438                         break;
1439                 default:
1440                         mimeview->textview->default_text = TRUE;
1441                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1442                         textview_clear(mimeview->textview);
1443                         textview_show_mime_part(mimeview->textview, partinfo);
1444                         break;
1445                 }
1446         }
1447
1448         if (mimeview->siginfo && privacy_auto_check_signatures(mimeview->siginfo)
1449         &&  privacy_mimeinfo_get_sig_status(mimeview->siginfo) == SIGNATURE_UNCHECKED) {
1450                 mimeview_check_signature(mimeview);
1451         }
1452 }
1453
1454 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1455                                     MimeView *mimeview)
1456 {
1457         GtkTreeSelection *selection;
1458         GtkTreeIter iter;
1459
1460         if (!event) return FALSE;
1461
1462         if (event->button == 2 || event->button == 3) {
1463                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1464                 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1465                         return FALSE;
1466
1467                 gtk_tree_selection_select_iter(selection, &iter);
1468         }
1469         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1470
1471         return FALSE;
1472 }
1473
1474 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1475                                     MimeView *mimeview)
1476 {
1477         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1478         if (event->direction == GDK_SCROLL_UP) {
1479                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1480         } else {
1481                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1482         }
1483         gtk_vscrollbutton_scroll(scrollbutton);
1484         return TRUE;
1485 }
1486
1487 /* from gdkevents.c */
1488 #define DOUBLE_CLICK_TIME 250
1489
1490 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1491                                     MimeInfo *partinfo)
1492 {
1493         static MimeInfo *lastinfo;
1494         static guint32 lasttime;
1495
1496         if (event->button == 2 ||
1497             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1498                 /* call external program for image, audio or html */
1499                 mimeview_launch(mimeview, partinfo);
1500                 return TRUE;
1501         } else if (event->button == 3) {
1502                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1503                                  partinfo->type == MIMETYPE_IMAGE ||
1504                                  partinfo->type == MIMETYPE_MULTIPART))
1505                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1506                 else
1507                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1508 #ifndef G_OS_WIN32
1509                 if (partinfo &&
1510                     partinfo->type == MIMETYPE_APPLICATION &&
1511                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1512                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1513                 else
1514 #endif
1515                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1516
1517                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1518                                   "pop_partinfo", partinfo);
1519
1520                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1521                                NULL, NULL, NULL, NULL,
1522                                event->button, event->time);
1523                 return TRUE;
1524         }
1525
1526         lastinfo = partinfo;
1527         lasttime = event->time;
1528         return FALSE;
1529 }
1530
1531
1532 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1533 {
1534         return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1535 }
1536
1537 void mimeview_select_next_part(MimeView *mimeview)
1538 {
1539         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1540         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1541         GtkTreeSelection *selection;
1542         GtkTreeIter iter;
1543         GtkTreePath *path;
1544         MimeInfo *partinfo = NULL;
1545         gboolean has_next;
1546
1547         if (!mimeview->opened) return;
1548
1549         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1550         path = gtk_tree_model_get_path(model, &iter);
1551 skip:
1552         has_next = mimeview_tree_next(model, path);
1553         if (!has_next) {
1554                 has_next = gtk_tree_model_get_iter_first(model, &iter);
1555                 gtk_tree_path_free(path);
1556                 path = gtk_tree_model_get_path(model, &iter);
1557         }
1558
1559         if (has_next) {
1560                 partinfo = mimeview_get_node_part(mimeview, path);
1561                 if (partinfo->type == MIMETYPE_MULTIPART ||
1562                     (!prefs_common.show_inline_attachments && partinfo->id))
1563                         goto skip;
1564                 selection = gtk_tree_view_get_selection(ctree);
1565                 gtk_tree_selection_select_path(selection, path);
1566                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1567         }
1568
1569         gtk_tree_path_free(path);
1570 }
1571
1572 void mimeview_select_prev_part(MimeView *mimeview)
1573 {
1574         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1575         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1576         GtkTreeSelection *selection;
1577         GtkTreeIter iter;
1578         GtkTreePath *path;
1579         MimeInfo *partinfo = NULL;
1580         gboolean has_prev;
1581
1582         if (!mimeview->opened) return;
1583
1584         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1585         path = gtk_tree_model_get_path(model, &iter);
1586 skip:
1587         has_prev = mimeview_tree_prev(mimeview, path);
1588         if (!has_prev) {
1589                 while (mimeview_tree_next(model, path)) {}
1590                 has_prev = TRUE;
1591         }
1592
1593         if (has_prev) {
1594                 partinfo = mimeview_get_node_part(mimeview, path);
1595                 if (partinfo->type == MIMETYPE_MULTIPART ||
1596                     (!prefs_common.show_inline_attachments && partinfo->id))
1597                         goto skip;
1598                 selection = gtk_tree_view_get_selection(ctree);
1599                 gtk_tree_selection_select_path(selection, path);
1600                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1601         }
1602
1603         gtk_tree_path_free(path);
1604 }
1605
1606 #define BREAK_ON_MODIFIER_KEY() \
1607         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1608
1609 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1610                                  MimeView *mimeview)
1611 {
1612         SummaryView *summaryview;
1613
1614         if (!event) return FALSE;
1615         if (!mimeview->opened) return FALSE;
1616
1617         summaryview = mimeview->messageview->mainwin->summaryview;
1618
1619         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1620                 return FALSE;
1621
1622         switch (event->keyval) {
1623         case GDK_KEY_Home:
1624         case GDK_KEY_End:
1625                 textview_scroll_max(mimeview->textview,
1626                                     (event->keyval == GDK_KEY_Home));
1627                 return TRUE;
1628         case GDK_KEY_Page_Down:
1629         case GDK_KEY_space:
1630                 if (mimeview_scroll_page(mimeview,
1631                                          (event->state & GDK_SHIFT_MASK) != 0))
1632                         return TRUE;
1633
1634                 if (!(event->state & GDK_SHIFT_MASK))
1635                         mimeview_select_next_part(mimeview);
1636                 return TRUE;
1637         case GDK_KEY_Page_Up:
1638         case GDK_KEY_BackSpace:
1639                 mimeview_scroll_page(mimeview, TRUE);
1640                 return TRUE;
1641         case GDK_KEY_Return:
1642         case GDK_KEY_KP_Enter:
1643                 mimeview_scroll_one_line(mimeview,
1644                                          (event->state & GDK_MOD1_MASK) != 0);
1645                 return TRUE;
1646         case GDK_KEY_Up:
1647         case GDK_KEY_Down:
1648                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1649                 return TRUE;
1650         default:
1651                 break;
1652         }
1653
1654         if (mimeview->messageview->new_window) return FALSE;
1655
1656         return summary_pass_key_press_event(summaryview, event);
1657 }
1658
1659 static void mimeview_drag_data_get(GtkWidget        *widget,
1660                                    GdkDragContext   *drag_context,
1661                                    GtkSelectionData *selection_data,
1662                                    guint             info,
1663                                    guint             time,
1664                                    MimeView         *mimeview)
1665 {
1666         gchar *filename = NULL, *uriname, *tmp;
1667         MimeInfo *partinfo;
1668         gint err;
1669         gint count = 0;
1670
1671         if (!mimeview->opened) return;
1672         if (!mimeview->file) return;
1673
1674         partinfo = mimeview_get_selected_part(mimeview);
1675         if (!partinfo) return;
1676
1677         if (strlen(get_part_name(partinfo)) > 0) {
1678                 filename = g_path_get_basename(get_part_name(partinfo));
1679                 if (*filename == '\0') return;
1680         } else if (partinfo->type == MIMETYPE_MESSAGE
1681                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1682                 gchar *name = NULL;
1683                 GPtrArray *headers = NULL;
1684                 FILE *fp;
1685
1686                 fp = g_fopen(partinfo->data.filename, "rb");
1687                 if (fp != NULL && fseek(fp, partinfo->offset, SEEK_SET) == 0) {
1688                         headers = procheader_get_header_array_asis(fp);
1689                         if (headers) {
1690                                 gint i;
1691                                 for (i = 0; i < headers->len; i++) {
1692                                         Header *header = g_ptr_array_index(headers, i);
1693                                         if (procheader_headername_equal(header->name, "Subject")) {
1694                                                 unfold_line(header->body);
1695                                                 name = g_strconcat(header->body, ".txt", NULL);
1696                                                 subst_for_filename(name);
1697                                         }
1698                                 }
1699                                 procheader_header_array_destroy(headers);
1700                         }
1701                 }
1702                 if (fp != NULL)
1703                         fclose(fp);
1704                 if (name)
1705                         filename = g_path_get_basename(name);
1706                 g_free(name);
1707         }
1708         if (filename == NULL)
1709                 filename = g_path_get_basename("Unnamed part");
1710
1711         if (!g_utf8_validate(filename, -1, NULL))
1712                 tmp = conv_codeset_strdup(filename,
1713                                 conv_get_locale_charset_str(),
1714                                 CS_UTF_8);
1715         else
1716                 tmp = g_strdup(filename);
1717
1718         if (tmp == NULL) {
1719                 g_warning("filename not in UTF-8");
1720                 tmp = g_strdup("Unnamed part");
1721         }
1722         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1723                                tmp, NULL);
1724
1725 check_new_file:
1726         if (is_file_exist(filename)) {
1727                 gchar *ext = NULL;
1728                 gchar *prefix = NULL;
1729                 gchar *new_name = NULL;
1730                 if (strrchr(tmp, '.')) {
1731                         prefix = g_strdup(tmp);
1732                         ext = g_strdup(strrchr(tmp, '.'));
1733                         *(strrchr(prefix, '.')) = '\0';
1734                 } else {
1735                         prefix = g_strdup(tmp);
1736                         ext = g_strdup("");
1737                 }
1738                 count++;
1739                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1740                 g_free(prefix);
1741                 g_free(ext);
1742                 g_free(filename);
1743                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1744                                new_name, NULL);
1745                 g_free(new_name);
1746                 goto check_new_file;
1747         }
1748
1749         g_free(tmp);
1750
1751         if ((err = procmime_get_part(filename, partinfo)) < 0)
1752                 alertpanel_error
1753                         (_("Couldn't save the part of multipart message: %s"),
1754                                 g_strerror(-err));
1755
1756         tmp = g_filename_to_uri(filename, NULL, NULL);
1757         uriname = g_strconcat(tmp, "\r\n", NULL);
1758         g_free(tmp);
1759
1760         gtk_selection_data_set(selection_data,
1761                    gtk_selection_data_get_target(selection_data), 8,
1762                                (guchar *)uriname, strlen(uriname));
1763
1764         g_free(uriname);
1765         g_free(filename);
1766 }
1767
1768 /**
1769  * Returns a filename (with path) for an attachment
1770  * \param partinfo The attachment to save
1771  * \param basedir The target directory
1772  * \param number Used for dummy filename if attachment is unnamed
1773  */
1774 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1775                                       const gchar *basedir,
1776                                       gint number)
1777 {
1778         gchar *fullname;
1779         gchar *filename;
1780
1781         filename = g_strdup(get_part_name(partinfo));
1782         if (!filename || !*filename) {
1783                 g_free(filename);
1784                 filename = g_strdup_printf("noname.%d", number);
1785         }
1786
1787         if (!g_utf8_validate(filename, -1, NULL)) {
1788                 gchar *tmp = conv_filename_to_utf8(filename);
1789                 g_free(filename);
1790                 filename = tmp;
1791         }
1792
1793         subst_for_filename(filename);
1794
1795         fullname = g_strconcat
1796                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1797                  ? &filename[1] : filename, NULL);
1798
1799         g_free(filename);
1800         filename = conv_filename_from_utf8(fullname);
1801         g_free(fullname);
1802         return filename;
1803 }
1804
1805 /**
1806  * Write a single attachment to file
1807  * \param filename Filename with path
1808  * \param partinfo Attachment to save
1809  */
1810 static gboolean mimeview_write_part(const gchar *filename,
1811                                     MimeInfo *partinfo,
1812                                     gboolean handle_error)
1813 {
1814         gchar *dir;
1815         gint err;
1816
1817         dir= g_path_get_dirname(filename);
1818         if (!is_dir_exist(dir))
1819                 make_dir_hier(dir);
1820         g_free(dir);
1821
1822         if (is_file_exist(filename)) {
1823                 AlertValue aval;
1824                 gchar *res;
1825                 gchar *tmp;
1826
1827                 if (!g_utf8_validate(filename, -1, NULL))
1828                         tmp = conv_filename_to_utf8(filename);
1829                 else
1830                         tmp = g_strdup(filename);
1831
1832                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1833                                       tmp);
1834                 g_free(tmp);
1835                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1836                                   GTK_STOCK_OK, NULL, ALERTFOCUS_FIRST);
1837                 g_free(res);
1838                 if (G_ALERTALTERNATE != aval) return FALSE;
1839         }
1840
1841         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1842                 debug_print("error saving MIME part: %d\n", err);
1843                 if (handle_error)
1844                         alertpanel_error
1845                                 (_("Couldn't save the part of multipart message: %s"),
1846                                  g_strerror(-err));
1847                 return FALSE;
1848         }
1849
1850         return TRUE;
1851 }
1852
1853 static AlertValue mimeview_save_all_error_ask(gint n)
1854 {
1855         gchar *message = g_strdup_printf(
1856                 _("An error has occurred while saving message part #%d. "
1857                 "Do you want to cancel operation or skip error and "
1858                 "continue?"), n);
1859         AlertValue av = alertpanel_full(_("Error saving all message parts"),
1860                 message, GTK_STOCK_CANCEL, _("Skip"), _("Skip all"),
1861                 ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING);
1862         g_free(message);
1863         return av;
1864 }
1865
1866 static void mimeview_save_all_info(gint errors, gint total)
1867 {
1868         if (!errors) {
1869                 gchar *msg = g_strdup_printf(
1870                                 ngettext("%d file saved successfully.",
1871                                         "%d files saved successfully.",
1872                                         total),
1873                                 total);
1874                 alertpanel_notice("%s", msg);
1875                 g_free(msg);
1876         } else {
1877                 gchar *msg1 = g_strdup_printf(
1878                                 ngettext("%d file saved successfully",
1879                                         "%d files saved successfully",
1880                                         total - errors),
1881                                 total - errors);
1882                 gchar *msg2 = g_strdup_printf(
1883                                 ngettext("%s, %d file failed.",
1884                                         "%s, %d files failed.",
1885                                         errors),
1886                                 msg1, errors);
1887                 alertpanel_warning("%s", msg2);
1888                 g_free(msg2);
1889                 g_free(msg1);
1890         }
1891 }
1892
1893 /**
1894  * Menu callback: Save all attached files
1895  * \param mimeview Current display
1896  */
1897 static void mimeview_save_all(MimeView *mimeview)
1898 {
1899         MimeInfo *partinfo;
1900         gchar *dirname;
1901         gchar *startdir = NULL;
1902         gint number = 1, errors = 0;
1903         gboolean skip_errors = FALSE;
1904
1905         if (!mimeview->opened) return;
1906         if (!mimeview->file) return;
1907         if (!mimeview->mimeinfo) return;
1908
1909         partinfo = mimeview->mimeinfo;
1910         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1911                 startdir = g_strconcat(prefs_common.attach_save_dir, G_DIR_SEPARATOR_S, NULL);
1912         else
1913                 startdir = g_strdup(get_home_dir());
1914
1915         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1916         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1917         if (!dirname) {
1918                 g_free(startdir);
1919                 return;
1920         }
1921
1922         if (!is_dir_exist (dirname)) {
1923                 alertpanel_error(_("'%s' is not a directory."), dirname);
1924                 g_free(startdir);
1925                 g_free(dirname);
1926                 return;
1927         }
1928
1929         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1930                 dirname[strlen(dirname)-1] = '\0';
1931
1932         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1933         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1934                 partinfo = procmime_mimeinfo_next(partinfo);
1935         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1936                 partinfo = procmime_mimeinfo_next(partinfo);
1937                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1938                         partinfo = procmime_mimeinfo_next(partinfo);
1939         }
1940
1941         while (partinfo != NULL) {
1942                 if (partinfo->type != MIMETYPE_MESSAGE &&
1943                     partinfo->type != MIMETYPE_MULTIPART &&
1944                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1945                      || get_real_part_name(partinfo) != NULL)) {
1946                         gchar *filename = mimeview_get_filename_for_part(
1947                                 partinfo, dirname, number++);
1948
1949                         gboolean ok = mimeview_write_part(filename, partinfo, FALSE);
1950                         g_free(filename);
1951                         if (!ok) {
1952                                 ++errors;
1953                                 if (!skip_errors) {
1954                                         AlertValue av = mimeview_save_all_error_ask(number - 1);
1955                                         skip_errors = (av == G_ALERTOTHER);
1956                                         if (av == G_ALERTDEFAULT) /* cancel */
1957                                                 break;
1958                                 }
1959                         }
1960                 }
1961                 partinfo = procmime_mimeinfo_next(partinfo);
1962         }
1963
1964         g_free(prefs_common.attach_save_dir);
1965         g_free(startdir);
1966         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1967                                         -1, NULL, NULL, NULL);
1968         g_free(dirname);
1969
1970         mimeview_save_all_info(errors, number - 1);
1971 }
1972
1973 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1974 {
1975         MimeInfo *partinfo = NULL;
1976         if (mimeview->spec_part) {
1977                 partinfo = mimeview->spec_part;
1978                 mimeview->spec_part = NULL;
1979         } else {
1980                 partinfo = (MimeInfo *) g_object_get_data
1981                          (G_OBJECT(mimeview->popupmenu),
1982                          "pop_partinfo");
1983                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1984                                   "pop_partinfo", NULL);
1985                 if (!partinfo) {
1986                         partinfo = mimeview_get_selected_part(mimeview);
1987                 }
1988         }
1989
1990         return partinfo;
1991 }
1992 /**
1993  * Menu callback: Save the selected attachment
1994  * \param mimeview Current display
1995  */
1996 void mimeview_save_as(MimeView *mimeview)
1997 {
1998         gchar *filename;
1999         gchar *filepath = NULL;
2000         gchar *filedir = NULL;
2001         MimeInfo *partinfo;
2002         gchar *partname = NULL;
2003
2004         if (!mimeview->opened) return;
2005         if (!mimeview->file) return;
2006
2007         partinfo = mimeview_get_part_to_use(mimeview);
2008
2009         cm_return_if_fail(partinfo != NULL);
2010
2011         if (get_part_name(partinfo) == NULL) {
2012                 return;
2013         }
2014         partname = g_strdup(get_part_name(partinfo));
2015
2016         if (!g_utf8_validate(partname, -1, NULL)) {
2017                 gchar *tmp = conv_filename_to_utf8(partname);
2018                 if (!tmp) {
2019                         tmp = conv_codeset_strdup(partname,
2020                                 conv_get_locale_charset_str(),
2021                                 CS_UTF_8);
2022                 }
2023                 if (tmp) {
2024                         g_free(partname);
2025                         partname = tmp;
2026                 }
2027         }
2028
2029         subst_for_filename(partname);
2030
2031         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
2032                 filepath = g_strconcat(prefs_common.attach_save_dir,
2033                                        G_DIR_SEPARATOR_S, partname, NULL);
2034         else
2035                 filepath = g_strdup(partname);
2036
2037         g_free(partname);
2038
2039         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
2040         filename = filesel_select_file_save(_("Save as"), filepath);
2041         if (!filename) {
2042                 g_free(filepath);
2043                 return;
2044         }
2045
2046         mimeview_write_part(filename, partinfo, TRUE);
2047
2048         filedir = g_path_get_dirname(filename);
2049         if (filedir && strcmp(filedir, ".")) {
2050                 g_free(prefs_common.attach_save_dir);
2051                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2052         }
2053
2054         g_free(filedir);
2055         g_free(filepath);
2056 }
2057
2058 void mimeview_display_as_text(MimeView *mimeview)
2059 {
2060         MimeInfo *partinfo;
2061
2062         if (!mimeview->opened) return;
2063
2064         partinfo = mimeview_get_part_to_use(mimeview);
2065         mimeview_select_mimepart_icon(mimeview, partinfo);
2066         cm_return_if_fail(partinfo != NULL);
2067         mimeview_show_message_part(mimeview, partinfo);
2068 }
2069
2070 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2071 {
2072         gchar *filename;
2073         gint err;
2074
2075         if (!mimeview->opened) return;
2076         if (!mimeview->file) return;
2077
2078         if (!partinfo)
2079                 partinfo = mimeview_get_part_to_use(mimeview);
2080
2081         cm_return_if_fail(partinfo != NULL);
2082
2083         filename = procmime_get_tmp_file_name(partinfo);
2084
2085         if ((err = procmime_get_part(filename, partinfo)) < 0)
2086                 alertpanel_error
2087                         (_("Couldn't save the part of multipart message: %s"),
2088                                 g_strerror(-err));
2089         else
2090                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2091
2092         g_free(filename);
2093 }
2094
2095 #ifndef G_OS_WIN32
2096 void mimeview_open_with(MimeView *mimeview)
2097 {
2098         MimeInfo *partinfo;
2099
2100         if (!mimeview) return;
2101         if (!mimeview->opened) return;
2102         if (!mimeview->file) return;
2103
2104         partinfo = mimeview_get_part_to_use(mimeview);
2105
2106         mimeview_open_part_with(mimeview, partinfo, FALSE);
2107 }
2108
2109 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2110 {
2111         gchar *filename;
2112         gchar *cmd;
2113         gchar *mime_command = NULL;
2114         gchar *content_type = NULL;
2115         gint err;
2116
2117         cm_return_if_fail(partinfo != NULL);
2118
2119         filename = procmime_get_tmp_file_name(partinfo);
2120
2121         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2122                 alertpanel_error
2123                         (_("Couldn't save the part of multipart message: %s"),
2124                                 g_strerror(-err));
2125                 g_free(filename);
2126                 return;
2127         }
2128
2129         if (!prefs_common.mime_open_cmd_history)
2130                 prefs_common.mime_open_cmd_history =
2131                         add_history(NULL, prefs_common.mime_open_cmd);
2132
2133         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2134             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2135                 /* guess content-type from filename */
2136                 content_type = procmime_get_mime_type(filename);
2137         }
2138         if (content_type == NULL) {
2139                 content_type = procmime_get_content_type_str(partinfo->type,
2140                         partinfo->subtype);
2141         }
2142
2143         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2144         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2145                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2146                 g_free(content_type);
2147                 content_type = NULL;
2148         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2149         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2150                 mime_command = mailcap_get_command_for_type(content_type, filename);
2151         } else {
2152                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2153                 g_free(content_type);
2154                 content_type = NULL;
2155         }
2156         if (mime_command == NULL) {
2157                 /* try with extension this time */
2158                 g_free(content_type);
2159                 content_type = procmime_get_mime_type(filename);
2160                 mime_command = mailcap_get_command_for_type(content_type, filename);
2161         }
2162
2163         if (mime_command == NULL)
2164                 automatic = FALSE;
2165
2166         if (!automatic) {
2167                 gboolean remember = FALSE;
2168                 if (content_type != NULL)
2169                         cmd = input_dialog_combo_remember
2170                                 (_("Open with"),
2171                                  _("Enter the command-line to open file:\n"
2172                                    "('%s' will be replaced with file name)"),
2173                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2174                                  prefs_common.mime_open_cmd_history, &remember);
2175                 else
2176                         cmd = input_dialog_combo
2177                                 (_("Open with"),
2178                                  _("Enter the command-line to open file:\n"
2179                                    "('%s' will be replaced with file name)"),
2180                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2181                                  prefs_common.mime_open_cmd_history);
2182                 if (cmd && remember) {
2183                         mailcap_update_default(content_type, cmd);
2184                 }
2185                 g_free(mime_command);
2186         } else {
2187                 cmd = mime_command;
2188         }
2189         if (cmd) {
2190                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2191                 g_free(prefs_common.mime_open_cmd);
2192                 prefs_common.mime_open_cmd = cmd;
2193                 prefs_common.mime_open_cmd_history =
2194                         add_history(prefs_common.mime_open_cmd_history, cmd);
2195         }
2196
2197         g_free(content_type);
2198         g_free(filename);
2199 }
2200 #endif
2201
2202 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2203 {
2204         GList *attach_file = NULL;
2205         AttachInfo *ainfo = NULL;
2206         gchar *filename;
2207         gint err;
2208
2209         if (!mimeview->opened) return;
2210         if (!mimeview->file) return;
2211
2212         cm_return_if_fail(partinfo != NULL);
2213
2214         filename = procmime_get_tmp_file_name(partinfo);
2215
2216         if (!(err = procmime_get_part(filename, partinfo))) {
2217                 ainfo = g_new0(AttachInfo, 1);
2218                 ainfo->file = filename;
2219                 ainfo->name = g_strdup(get_part_name(partinfo));
2220                 ainfo->content_type = procmime_get_content_type_str(
2221                                         partinfo->type, partinfo->subtype);
2222                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2223                                         partinfo, "charset"));
2224                 attach_file = g_list_append(attach_file, ainfo);
2225
2226                 compose_new(NULL, NULL, attach_file);
2227
2228                 g_free(ainfo->name);
2229                 g_free(ainfo->content_type);
2230                 g_free(ainfo->charset);
2231                 g_free(ainfo);
2232                 g_list_free(attach_file);
2233         } else
2234                 alertpanel_error
2235                         (_("Couldn't save the part of multipart message: %s"),
2236                                 g_strerror(-err));
2237         g_free(filename);
2238 }
2239
2240 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2241                                const gchar *cmd, MimeView *mimeview)
2242 {
2243 #ifndef G_OS_WIN32
2244         gchar *p;
2245         gchar buf[BUFFSIZE];
2246
2247         if (cmd == NULL)
2248                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2249         else {
2250                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2251                     !strchr(p + 2, '%')) {
2252                         g_snprintf(buf, sizeof(buf), cmd, filename);
2253                         if (!prefs_common.save_parts_readwrite)
2254                                 g_chmod(filename, S_IRUSR);
2255                         else
2256                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2257                 } else {
2258                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2259                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2260                 }
2261                 if (execute_command_line(buf, TRUE, NULL) != 0) {
2262                         if (!prefs_common.save_parts_readwrite)
2263                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2264                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2265                 }
2266         }
2267 #else
2268         SHFILEINFO file_info;
2269         GError *error = NULL;
2270         gunichar2 *fn16 = g_utf8_to_utf16(filename, -1, NULL, NULL, &error);
2271
2272         if (error != NULL) {
2273                 alertpanel_error(_("Could not convert attachment name to UTF-16:\n\n%s"),
2274                                         error->message);
2275                 debug_print("filename '%s' conversion to UTF-16 failed\n", filename);
2276                 g_error_free(error);
2277                 return;
2278         }
2279
2280         if ((SHGetFileInfo((LPCWSTR)fn16, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2281                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2282                                       _("This attachment is an executable file. Executing "
2283                                         "untrusted binaries is dangerous and could probably "
2284                                         "lead to compromission of your computer.\n\n"
2285                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2286                                         _("Run binary"),
2287                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2288                 if (val == G_ALERTALTERNATE) {
2289                         debug_print("executing binary\n");
2290                         ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2291                 }
2292         } else {
2293                 ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2294         }
2295
2296         g_free(fn16);
2297
2298 #endif
2299 }
2300
2301 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2302 {
2303         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2304 }
2305
2306 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2307 {
2308         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2309 }
2310
2311 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2312 {
2313         GSList *mimeview_list, *viewer_list;
2314
2315         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2316                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2317
2318                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2319                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2320                         mimeview->mimeviewer = NULL;
2321                 }
2322
2323                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2324                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2325
2326                         mimeviewer->destroy_viewer(mimeviewer);
2327                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2328                 }
2329         }
2330
2331         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2332 }
2333
2334 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2335 {
2336         gint      num;
2337         MimeInfo *partinfo;
2338
2339         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2340         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2341
2342         if (event->button == 1) {
2343                 icon_selected(mimeview, num, partinfo);
2344                 gtk_widget_grab_focus(button);
2345                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2346         }
2347         part_button_pressed(mimeview, event, partinfo);
2348
2349         return FALSE;
2350 }
2351
2352 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2353 {
2354         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2355         GtkTreeIter iter;
2356         GtkTreePath *path;
2357         MimeInfo *curr = NULL;
2358
2359         gtk_tree_model_get_iter_first(model, &iter);
2360         path = gtk_tree_model_get_path(model, &iter);
2361
2362         do {
2363                 gtk_tree_model_get_iter(model, &iter, path);
2364                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2365                 if (curr == partinfo) {
2366                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2367                                                 GTK_TREE_VIEW(mimeview->ctree));
2368                         gtk_tree_selection_select_iter(sel, &iter);
2369                         gtk_tree_path_free(path);
2370                         return;
2371                 }
2372         } while (mimeview_tree_next(model, path));
2373
2374         gtk_tree_path_free(path);
2375 }
2376
2377 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2378 {
2379         icon_list_toggle_by_mime_info(mimeview, partinfo);
2380         icon_selected(mimeview, -1, partinfo);
2381 }
2382
2383 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2384                              MimeView *mimeview)
2385 {
2386         SummaryView  *summaryview;
2387
2388         if (!event) return FALSE;
2389
2390         switch (event->keyval) {
2391         case GDK_KEY_space:
2392                 if (mimeview_scroll_page(mimeview, FALSE))
2393                         return TRUE;
2394
2395                 mimeview_select_next_part(mimeview);
2396                 return TRUE;
2397
2398                 break;
2399         case GDK_KEY_BackSpace:
2400                 mimeview_scroll_page(mimeview, TRUE);
2401                 return TRUE;
2402         case GDK_KEY_Return:
2403         case GDK_KEY_KP_Enter:
2404                 mimeview_scroll_one_line(mimeview,
2405                                          (event->state & GDK_MOD1_MASK) != 0);
2406                 return TRUE;
2407         case GDK_KEY_y:
2408                 BREAK_ON_MODIFIER_KEY();
2409                 mimeview_save_as(mimeview);
2410                 return TRUE;
2411         case GDK_KEY_t:
2412                 BREAK_ON_MODIFIER_KEY();
2413                 mimeview_display_as_text(mimeview);
2414                 return TRUE;
2415         case GDK_KEY_l:
2416                 BREAK_ON_MODIFIER_KEY();
2417                 mimeview_launch(mimeview, NULL);
2418                 return TRUE;
2419 #ifndef G_OS_WIN32
2420         case GDK_KEY_o:
2421                 BREAK_ON_MODIFIER_KEY();
2422                 mimeview_open_with(mimeview);
2423                 return TRUE;
2424 #endif
2425         case GDK_KEY_c:
2426                 BREAK_ON_MODIFIER_KEY();
2427                 mimeview_check_signature(mimeview);
2428                 return TRUE;
2429         case GDK_KEY_a:
2430                 BREAK_ON_MODIFIER_KEY();
2431                 mimeview_select_next_part(mimeview);
2432                 return TRUE;
2433         default:
2434                 break;
2435         }
2436
2437         if (!mimeview->messageview->mainwin) return FALSE;
2438         summaryview = mimeview->messageview->mainwin->summaryview;
2439         return summary_pass_key_press_event(summaryview, event);
2440 }
2441
2442 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2443 {
2444         MimeView *mimeview = (MimeView *)data;
2445         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2446
2447         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2448                           "pop_partinfo", partinfo);
2449         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2450                        NULL, NULL, NULL, NULL,
2451                        0, gtk_get_current_event_time());
2452         return TRUE;
2453 }
2454
2455 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2456 {
2457         GtkWidget *pixmap = NULL;
2458         GtkWidget *vbox;
2459         GtkWidget *button;
2460         gchar *tip;
2461         gchar *tiptmp;
2462         const gchar *desc = NULL;
2463         gchar *sigshort = NULL;
2464         gchar *content_type;
2465         StockPixmap stockp;
2466         MimeInfo *partinfo;
2467         MimeInfo *siginfo = NULL;
2468         MimeInfo *encrypted = NULL;
2469 #ifdef GENERIC_UMPC
2470         GtkRequisition r;
2471 #endif
2472
2473         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2474                 return;
2475
2476         vbox = mimeview->icon_vbox;
2477         mimeview->icon_count++;
2478         button = gtk_event_box_new();
2479
2480         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2481                          G_CALLBACK(mimeview_visi_notify), mimeview);
2482         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2483                          G_CALLBACK(mimeview_leave_notify), mimeview);
2484         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2485                          G_CALLBACK(mimeview_enter_notify), mimeview);
2486
2487         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2488         g_object_set_data(G_OBJECT(button), "icon_number",
2489                           GINT_TO_POINTER(mimeview->icon_count));
2490         g_object_set_data(G_OBJECT(button), "partinfo",
2491                           mimeinfo);
2492
2493         switch (mimeinfo->type) {
2494
2495         case MIMETYPE_TEXT:
2496                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2497                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2498                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2499                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2500                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2501                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2502                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2503                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2504                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2505                 else
2506                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2507                 break;
2508         case MIMETYPE_MESSAGE:
2509                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2510                 break;
2511         case MIMETYPE_APPLICATION:
2512                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2513                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2514                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2515                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2516                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2517                         stockp = STOCK_PIXMAP_MIME_PDF;
2518                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2519                         stockp = STOCK_PIXMAP_MIME_PS;
2520                 else
2521                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2522                 break;
2523         case MIMETYPE_IMAGE:
2524                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2525                 break;
2526         case MIMETYPE_AUDIO:
2527                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2528                 break;
2529         default:
2530                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2531                 break;
2532         }
2533
2534         partinfo = mimeinfo;
2535         while (partinfo != NULL) {
2536                 if (privacy_mimeinfo_is_signed(partinfo)) {
2537                         siginfo = partinfo;
2538                         break;
2539                 }
2540                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2541                         encrypted = partinfo;
2542                         break;
2543                 }
2544                 partinfo = procmime_mimeinfo_parent(partinfo);
2545         }
2546
2547         if (siginfo != NULL) {
2548                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2549                 case SIGNATURE_UNCHECKED:
2550                 case SIGNATURE_CHECK_FAILED:
2551                 case SIGNATURE_CHECK_TIMEOUT:
2552                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2553                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2554                         break;
2555                 case SIGNATURE_OK:
2556                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2557                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2558                         break;
2559                 case SIGNATURE_WARN:
2560                 case SIGNATURE_KEY_EXPIRED:
2561                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2562                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2563                         break;
2564                 case SIGNATURE_INVALID:
2565                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2566                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2567                         break;
2568                 }
2569                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2570         } else if (encrypted != NULL) {
2571                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2572                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2573         } else {
2574                 pixmap = stock_pixmap_widget_with_overlay(stockp, 0,
2575                                                           OVERLAY_NONE, 6, 3);
2576         }
2577         gtk_container_add(GTK_CONTAINER(button), pixmap);
2578         if (!desc) {
2579                 if (prefs_common.attach_desc)
2580                         desc = get_part_description(mimeinfo);
2581                 else
2582                         desc = get_part_name(mimeinfo);
2583         }
2584
2585         content_type = procmime_get_content_type_str(mimeinfo->type,
2586                                                      mimeinfo->subtype);
2587
2588         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2589                           "\n<b>", _("Size:"), " </b>",
2590                           to_human_readable((goffset)mimeinfo->length), NULL);
2591         g_free(content_type);
2592         if (desc && *desc) {
2593                 gchar *tmp = NULL, *escaped = NULL;
2594                 if (!g_utf8_validate(desc, -1, NULL)) {
2595                         tmp = conv_filename_to_utf8(desc);
2596                 } else {
2597                         tmp = g_strdup(desc);
2598                 }
2599                 escaped = g_markup_escape_text(tmp,-1);
2600
2601                 tiptmp = g_strconcat(tip, "\n<b>",
2602                                 prefs_common.attach_desc && mimeinfo->description ?
2603                                 _("Description:") : _("Filename:"),
2604                                 " </b>", escaped, NULL);
2605                 g_free(tip);
2606                 tip = tiptmp;
2607                 g_free(tmp);
2608                 g_free(escaped);
2609         }
2610         if (sigshort && *sigshort) {
2611                 tiptmp = g_strjoin("\n", tip, g_markup_escape_text(sigshort, -1), NULL);
2612                 g_free(tip);
2613                 tip = tiptmp;
2614         }
2615         g_free(sigshort);
2616
2617         gtk_widget_set_tooltip_markup(button, tip);
2618         g_free(tip);
2619         gtk_widget_show_all(button);
2620         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2621                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2622
2623         g_signal_connect(G_OBJECT(button), "popup-menu",
2624                          G_CALLBACK(icon_popup_menu), mimeview);
2625         g_signal_connect(G_OBJECT(button), "button_release_event",
2626                          G_CALLBACK(icon_clicked_cb), mimeview);
2627         g_signal_connect(G_OBJECT(button), "key_press_event",
2628                          G_CALLBACK(icon_key_pressed), mimeview);
2629         g_signal_connect(G_OBJECT(button), "drag_data_get",
2630                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2631         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2632 #ifdef GENERIC_UMPC
2633         gtk_widget_size_request(pixmap, &r);
2634         gtk_widget_set_size_request(button, -1, r.height + 4);
2635 #endif
2636
2637 }
2638
2639 static void icon_list_clear (MimeView *mimeview)
2640 {
2641         GList     *child, *orig;
2642         GtkAdjustment *adj;
2643
2644         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2645         for (child = orig; child != NULL; child = g_list_next(child)) {
2646                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2647                                        GTK_WIDGET(child->data));
2648         }
2649         g_list_free(orig);
2650         mimeview->icon_count = 0;
2651         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2652         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2653         gtk_adjustment_changed(adj);
2654 }
2655
2656 /*!
2657  *\brief        Used to 'click' the next or previous icon.
2658  *
2659  *\return       true if the icon 'number' exists and was selected.
2660  */
2661 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2662                                          GtkAllocation *size, MimeView *mimeview)
2663 {
2664         GtkAllocation vbox_size;
2665         GtkAllocation layout_size;
2666         GtkAdjustment *adj;
2667         guint width;
2668         guint height;
2669
2670         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2671
2672         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2673         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2674
2675         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2676         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2677                             width,
2678                             MAX(vbox_size.height, layout_size.height));
2679         gtk_adjustment_set_step_increment(adj, 10);
2680 }
2681
2682 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2683 {
2684         GtkRequisition size;
2685         GtkRequisition requisition;
2686
2687         cm_return_if_fail(mimeinfo != NULL);
2688
2689         while (mimeinfo != NULL) {
2690                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2691                         icon_list_append_icon(mimeview, mimeinfo);
2692                 if (mimeinfo->node->children != NULL)
2693                         icon_list_create(mimeview,
2694                                 (MimeInfo *) mimeinfo->node->children->data);
2695                 mimeinfo = mimeinfo->node->next != NULL
2696                          ? (MimeInfo *) mimeinfo->node->next->data
2697                          : NULL;
2698         }
2699         gtk_widget_size_request(mimeview->icon_vbox, &size);
2700         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2701         if (size.width > requisition.width) {
2702                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2703                                             size.width, -1);
2704         }
2705         if (mimeview->opened)
2706                 icon_list_toggle_by_mime_info(mimeview,
2707                         mimeview_get_node_part(mimeview, mimeview->opened));
2708 }
2709
2710 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2711                                            MimeInfo     *mimeinfo)
2712 {
2713         GList *children, *child;
2714
2715         children = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2716         for (child = children; child != NULL; child = g_list_next(child)) {
2717                 gboolean *highlight = NULL;
2718                 GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2719
2720                 if (!GTK_IS_EVENT_BOX(child->data))
2721                         continue;
2722
2723                 highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2724                 *highlight = (g_object_get_data(G_OBJECT(child->data),
2725                                       "partinfo") == (gpointer)mimeinfo);
2726
2727                 gtk_widget_queue_draw(icon);
2728         }
2729         g_list_free(children);
2730 }
2731
2732 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2733                                     MimeView *mimeview)
2734 {
2735         prefs_common.mimeview_tree_height = allocation->height;
2736 }
2737
2738 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2739                                     MimeView *mimeview)
2740 {
2741         g_object_ref(button);
2742
2743         mimeview_leave_notify(button, NULL, NULL);
2744
2745         mimeview->ctree_mode = !mimeview->ctree_mode;
2746         if (mimeview->ctree_mode) {
2747                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2748                                         GTK_SHADOW_NONE);
2749                 gtk_widget_hide(mimeview->icon_mainbox);
2750                 gtk_widget_show(mimeview->ctree_mainbox);
2751                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2752                                         prefs_common.mimeview_tree_height);
2753
2754                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2755                                         button);
2756                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2757                                    button, FALSE, FALSE, 0);
2758         } else {
2759                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2760                               GTK_SHADOW_NONE);
2761                 gtk_widget_hide(mimeview->ctree_mainbox);
2762                 gtk_widget_show(mimeview->icon_mainbox);
2763                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2764
2765                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2766                                         button);
2767                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2768                                    button, FALSE, FALSE, 0);
2769                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2770                 if (mimeview->opened)
2771                         icon_list_toggle_by_mime_info(mimeview,
2772                                         mimeview_get_node_part(mimeview, mimeview->opened));
2773                 summary_grab_focus(mimeview->mainwin->summaryview);
2774         }
2775         g_object_unref(button);
2776         return TRUE;
2777 }
2778
2779 void mimeview_update (MimeView *mimeview)
2780 {
2781         if (mimeview && mimeview->mimeinfo) {
2782                 icon_list_clear(mimeview);
2783                 icon_list_create(mimeview, mimeview->mimeinfo);
2784         }
2785 }
2786
2787 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2788 {
2789         MessageView *msgview = NULL;
2790         MainWindow *mainwin = NULL;
2791
2792         if (!cmd)
2793                 return;
2794
2795         msgview = mimeview->messageview;
2796         if (!msgview)
2797                 return;
2798
2799         mainwin = msgview->mainwin;
2800         if (!mainwin)
2801                 return;
2802
2803         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2804                           "pop_partinfo", NULL);
2805
2806         if (!strcmp(cmd, "sc://view_log"))
2807                 log_window_show(mainwin->logwin);
2808         else if (!strcmp(cmd, "sc://save_as"))
2809                 mimeview_save_as(mimeview);
2810         else if (!strcmp(cmd, "sc://display_as_text"))
2811                 mimeview_display_as_text(mimeview);
2812 #ifndef G_OS_WIN32
2813         else if (!strcmp(cmd, "sc://open_with"))
2814                 mimeview_open_with(mimeview);
2815 #endif
2816         else if (!strcmp(cmd, "sc://open"))
2817                 mimeview_launch(mimeview, NULL);
2818         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2819                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2820                 icon_selected(mimeview, -1, (MimeInfo *)data);
2821         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2822                 mimeview_launch(mimeview, (MimeInfo *)data);
2823         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2824                 mimeview->spec_part = (MimeInfo *)data;
2825                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2826         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2827                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2828                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2829                 gtk_toggle_button_set_active(
2830                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2831                                 TRUE);
2832                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2833                                 ADVANCED_SEARCH_EXTENDED, buf);
2834                 g_free(buf);
2835         }
2836 }
2837
2838 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2839 {
2840         if (mimeview->type == MIMEVIEW_TEXT)
2841                 return textview_scroll_page(mimeview->textview, up);
2842         else if (mimeview->mimeviewer) {
2843                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2844                 if (mimeviewer->scroll_page)
2845                         return mimeviewer->scroll_page(mimeviewer, up);
2846         }
2847         return TRUE;
2848 }
2849
2850 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2851 {
2852         if (mimeview->type == MIMEVIEW_TEXT)
2853                 textview_scroll_one_line(mimeview->textview, up);
2854         else if (mimeview->mimeviewer) {
2855                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2856                 if (mimeviewer->scroll_one_line)
2857                         mimeviewer->scroll_one_line(mimeviewer, up);
2858         }
2859 }