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