src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 2 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, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtknotebook.h>
  30 #include <gtk/gtkscrolledwindow.h>
  31 #include <gtk/gtkctree.h>
  32 #include <gtk/gtkvbox.h>
  33 #include <gtk/gtkhbox.h>
  34 #include <gtk/gtkvpaned.h>
  35 #include <gtk/gtktext.h>
  36 #include <gtk/gtksignal.h>
  37 #include <gtk/gtkmenu.h>
  38 #include <gtk/gtkdnd.h>
  39 #include <gtk/gtkselection.h>
  40 #include <gtk/gtktooltips.h>
  41 #include <gtk/gtkcontainer.h>
  42 #include <gtk/gtkbutton.h>
  43 #include <stdio.h>
  44
  45 #ifndef HAVE_APACHE_FNMATCH
  46 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  47  * fnmatch.h */
  48 #include <fnmatch.h>
  49 #endif
  50
  51 #include "main.h"
  52 #include "mimeview.h"
  53 #include "textview.h"
  54 #include "procmime.h"
  55 #include "summaryview.h"
  56 #include "menu.h"
  57 #include "filesel.h"
  58 #include "alertpanel.h"
  59 #include "inputdialog.h"
  60 #include "utils.h"
  61 #include "gtkutils.h"
  62 #include "prefs_common.h"
  63 #include "procheader.h"
  64 #include "stock_pixmap.h"
  65 #include "gtk/gtkvscrollbutton.h"
  66 #include "gtk/logwindow.h"
  67
  68
  69 typedef enum
  70 {
  71         COL_MIMETYPE = 0,
  72         COL_SIZE     = 1,
  73         COL_NAME     = 2
  74 } MimeViewColumnPos;
  75
  76 #define N_MIMEVIEW_COLS 3
  77
  78 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  79                                                  MimeInfo       *mimeinfo,
  80                                                  GtkCTreeNode   *parent);
  81 static GtkCTreeNode *mimeview_append_part       (MimeView       *mimeview,
  82                                                  MimeInfo       *partinfo,
  83                                                  GtkCTreeNode   *parent);
  84 static void mimeview_show_message_part          (MimeView       *mimeview,
  85                                                  MimeInfo       *partinfo);
  86 static void mimeview_change_view_type           (MimeView       *mimeview,
  87                                                  MimeViewType    type);
  88 gchar *mimeview_get_filename_for_part           (MimeInfo       *partinfo,
  89                                                  const gchar    *basedir,
  90                                                  gint            number);
  91 static gboolean mimeview_write_part             (const gchar    *filename,
  92                                                  MimeInfo       *partinfo);
  93
  94 static void mimeview_selected           (GtkCTree       *ctree,
  95                                          GtkCTreeNode   *node,
  96                                          gint            column,
  97                                          MimeView       *mimeview);
  98 static void mimeview_start_drag         (GtkWidget      *widget,
  99                                          gint            button,
 100                                          GdkEvent       *event,
 101                                          MimeView       *mimeview);
 102 static gint mimeview_button_pressed     (GtkWidget      *widget,
 103                                          GdkEventButton *event,
 104                                          MimeView       *mimeview);
 105 static gint mimeview_key_pressed        (GtkWidget      *widget,
 106                                          GdkEventKey    *event,
 107                                          MimeView       *mimeview);
 108
 109 static void mimeview_drag_data_get      (GtkWidget        *widget,
 110                                          GdkDragContext   *drag_context,
 111                                          GtkSelectionData *selection_data,
 112                                          guint             info,
 113                                          guint             time,
 114                                          MimeView         *mimeview);
 115
 116 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 117                                          GdkEventScroll *event,
 118                                          MimeView       *mimeview);
 119 static void mimeview_display_as_text    (MimeView       *mimeview);
 120 static void mimeview_save_as            (MimeView       *mimeview);
 121 static void mimeview_save_all           (MimeView       *mimeview);
 122 static void mimeview_launch             (MimeView       *mimeview);
 123 static void mimeview_open_with          (MimeView       *mimeview);
 124 static void mimeview_open_part_with     (MimeView       *mimeview,
 125                                          MimeInfo       *partinfo);
 126 static void mimeview_view_file          (const gchar    *filename,
 127                                          MimeInfo       *partinfo,
 128                                          const gchar    *cmdline,
 129                                          MimeView       *mimeview);
 130 static gboolean icon_clicked_cb         (GtkWidget      *button,
 131                                          GdkEventButton *event,
 132                                          MimeView       *mimeview);
 133 static void icon_selected               (MimeView       *mimeview,
 134                                          gint            num,
 135                                          MimeInfo       *partinfo);
 136 static gint icon_key_pressed            (GtkWidget      *button,
 137                                          GdkEventKey    *event,
 138                                          MimeView       *mimeview);
 139 static void toggle_icon                 (GtkToggleButton *button,
 140                                          MimeView       *mimeview);
 141 static void icon_list_append_icon       (MimeView       *mimeview,
 142                                          MimeInfo       *mimeinfo);
 143 static void icon_list_create            (MimeView       *mimeview,
 144                                          MimeInfo       *mimeinfo);
 145 static void icon_list_clear             (MimeView       *mimeview);
 146 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 147                                            MimeInfo     *mimeinfo);
 148 static gboolean icon_list_select_by_number(MimeView     *mimeview,
 149                                            gint          number);
 150 static void mime_toggle_button_cb       (GtkWidget      *button,
 151                                          MimeView       *mimeview);
 152 static gboolean part_button_pressed     (MimeView       *mimeview,
 153                                          GdkEventButton *event,
 154                                          MimeInfo       *partinfo);
 155 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 156                                          GtkAllocation  *layout_size,
 157                                          MimeView       *mimeview);
 158
 159 static GtkItemFactoryEntry mimeview_popup_entries[] =
 160 {
 161         {N_("/_Open"),            NULL, mimeview_launch,          0, NULL},
 162         {N_("/Open _with..."),    NULL, mimeview_open_with,       0, NULL},
 163         {N_("/_Display as text"), NULL, mimeview_display_as_text, 0, NULL},
 164         {N_("/_Save as..."),      NULL, mimeview_save_as,         0, NULL},
 165         {N_("/Save _all..."),     NULL, mimeview_save_all,        0, NULL},
 166 };
 167
 168 static GtkTargetEntry mimeview_mime_types[] =
 169 {
 170         {"text/uri-list", 0, 0}
 171 };
 172
 173 GSList *mimeviewer_factories;
 174 GSList *mimeviews;
 175
 176 MimeView *mimeview_create(MainWindow *mainwin)
 177 {
 178         MimeView *mimeview;
 179
 180         GtkWidget *paned;
 181         GtkWidget *scrolledwin;
 182         GtkWidget *ctree;
 183         GtkWidget *mime_notebook;
 184         GtkWidget *popupmenu;
 185         GtkWidget *ctree_mainbox;
 186         GtkWidget *vbox;
 187         GtkWidget *mime_toggle;
 188         GtkWidget *icon_mainbox;
 189         GtkWidget *icon_scroll;
 190         GtkWidget *icon_vbox;
 191         GtkWidget *arrow;
 192         GtkWidget *scrollbutton;
 193         GtkWidget *hbox;
 194         GtkTooltips *tooltips;
 195         GtkItemFactory *popupfactory;
 196         NoticeView *siginfoview;
 197         gchar *titles[N_MIMEVIEW_COLS];
 198         gint n_entries;
 199         gint i;
 200
 201         debug_print("Creating MIME view...\n");
 202         mimeview = g_new0(MimeView, 1);
 203
 204         titles[COL_MIMETYPE] = _("MIME Type");
 205         titles[COL_SIZE]     = _("Size");
 206         titles[COL_NAME]     = _("Name");
 207
 208         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 209         gtk_widget_show(scrolledwin);
 210         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 211                                        GTK_POLICY_AUTOMATIC,
 212                                        GTK_POLICY_AUTOMATIC);
 213
 214         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 215         gtk_widget_show(ctree);
 216         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 217         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 218         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
 219                                            GTK_JUSTIFY_RIGHT);
 220         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
 221         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
 222         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 223                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 224                                        GTK_CAN_FOCUS);
 225         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 226
 227         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 228                          G_CALLBACK(mimeview_selected), mimeview);
 229         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 230                          G_CALLBACK(mimeview_button_pressed), mimeview);
 231         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 232                          G_CALLBACK(mimeview_key_pressed), mimeview);
 233         g_signal_connect(G_OBJECT (ctree),"start_drag",
 234                          G_CALLBACK (mimeview_start_drag), mimeview);
 235         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 236                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 237
 238         mime_notebook = gtk_notebook_new();
 239         gtk_widget_show(mime_notebook);
 240         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
 241         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 242         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 243
 244         icon_vbox = gtk_vbox_new(FALSE, 2);
 245         gtk_widget_show(icon_vbox);
 246         icon_scroll = gtk_layout_new(NULL, NULL);
 247         gtk_widget_show(icon_scroll);
 248         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 249         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 250         gtk_widget_show(scrollbutton);
 251
 252         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 253                          G_CALLBACK(mimeview_scrolled), mimeview);
 254
 255         mime_toggle = gtk_toggle_button_new();
 256         gtk_widget_show(mime_toggle);
 257         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 258         gtk_widget_show(arrow);
 259         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 260         g_signal_connect(G_OBJECT(mime_toggle), "toggled",
 261                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 262
 263         icon_mainbox = gtk_vbox_new(FALSE, 0);
 264         gtk_widget_show(icon_mainbox);
 265         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 266         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 267         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 268         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 269                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 270
 271         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 272         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 273
 274         n_entries = sizeof(mimeview_popup_entries) /
 275                 sizeof(mimeview_popup_entries[0]);
 276         popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
 277                                       "<MimeView>", &popupfactory, mimeview);
 278         tooltips = gtk_tooltips_new();
 279         gtk_tooltips_set_delay(tooltips, 0);
 280
 281         vbox = gtk_vbox_new(FALSE, 0);
 282         gtk_widget_show(vbox);
 283         siginfoview = noticeview_create(mainwin);
 284         noticeview_hide(siginfoview);
 285         noticeview_set_icon_clickable(siginfoview, TRUE);
 286         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 287         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 288
 289         paned = gtk_vpaned_new();
 290         gtk_widget_show(paned);
 291         gtk_paned_set_gutter_size(GTK_PANED(paned), 0);
 292         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 293         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 294
 295         hbox = gtk_hbox_new(FALSE, 0);
 296         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 297         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 298
 299         gtk_widget_show(hbox);
 300         gtk_widget_hide(ctree_mainbox);
 301
 302         mimeview->hbox          = hbox;
 303         mimeview->paned         = paned;
 304         mimeview->scrolledwin   = scrolledwin;
 305         mimeview->ctree         = ctree;
 306         mimeview->mime_notebook = mime_notebook;
 307         mimeview->popupmenu     = popupmenu;
 308         mimeview->popupfactory  = popupfactory;
 309         mimeview->type          = -1;
 310         mimeview->ctree_mainbox = ctree_mainbox;
 311         mimeview->icon_scroll   = icon_scroll;
 312         mimeview->icon_vbox     = icon_vbox;
 313         mimeview->icon_mainbox  = icon_mainbox;
 314         mimeview->icon_count    = 0;
 315         mimeview->mainwin       = mainwin;
 316         mimeview->tooltips      = tooltips;
 317         mimeview->oldsize       = 60;
 318         mimeview->mime_toggle   = mime_toggle;
 319         mimeview->siginfoview   = siginfoview;
 320         mimeview->scrollbutton  = scrollbutton;
 321         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 322
 323         mimeviews = g_slist_prepend(mimeviews, mimeview);
 324
 325         return mimeview;
 326 }
 327
 328 void mimeview_init(MimeView *mimeview)
 329 {
 330         textview_init(mimeview->textview);
 331
 332         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 333                 GTK_WIDGET_PTR(mimeview->textview));
 334 }
 335
 336 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 337                            const gchar *file)
 338 {
 339         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 340         GtkCTreeNode *node;
 341
 342         mimeview_clear(mimeview);
 343
 344         g_return_if_fail(file != NULL);
 345         g_return_if_fail(mimeinfo != NULL);
 346
 347         mimeview->mimeinfo = mimeinfo;
 348
 349         mimeview->file = g_strdup(file);
 350
 351         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 352                                         mimeview);
 353
 354         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 355         icon_list_create(mimeview, mimeinfo);
 356
 357         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 358                                           mimeview_selected, mimeview);
 359
 360         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 361         if (node) {
 362                 gtk_ctree_select(ctree, node);
 363                 icon_list_toggle_by_mime_info
 364                         (mimeview, gtk_ctree_node_get_row_data(ctree, node));
 365                 gtkut_ctree_set_focus_row(ctree, node);
 366         }
 367 }
 368
 369 #ifdef USE_PTHREAD
 370 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 371 #endif
 372
 373 static void mimeview_free_mimeinfo(MimeView *mimeview)
 374 {
 375         gboolean defer = FALSE;
 376 #ifdef USE_PTHREAD
 377         defer = (mimeview->check_data != NULL);
 378         if (defer)
 379                 mimeview->check_data->free_after_use = TRUE;
 380 #endif
 381         if (mimeview->mimeinfo != NULL && !defer) {
 382                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 383                 mimeview->mimeinfo = NULL;
 384         } else if (defer) {
 385 #ifdef USE_PTHREAD
 386                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 387                 mimeview_check_sig_cancel_now(mimeview);
 388 #endif
 389         }
 390 }
 391
 392 void mimeview_destroy(MimeView *mimeview)
 393 {
 394         GSList *cur;
 395
 396         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 397                 MimeViewer *viewer = (MimeViewer *) cur->data;
 398                 viewer->destroy_viewer(viewer);
 399         }
 400         g_slist_free(mimeview->viewers);
 401         gtk_target_list_unref(mimeview->target_list);
 402
 403         mimeview_free_mimeinfo(mimeview);
 404 #ifdef USE_PTHREAD
 405         if (mimeview->check_data) {
 406                 mimeview->check_data->destroy_mimeview = TRUE;
 407                 debug_print("deferring destroy\n");
 408         } else
 409 #endif
 410         {
 411                 g_free(mimeview->file);
 412                 g_free(mimeview);
 413                 mimeviews = g_slist_remove(mimeviews, mimeview);
 414         }
 415
 416 }
 417
 418 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 419 {
 420         return gtk_ctree_node_get_row_data
 421                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 422 }
 423
 424 static void mimeview_set_multipart_tree(MimeView *mimeview,
 425                                         MimeInfo *mimeinfo,
 426                                         GtkCTreeNode *parent)
 427 {
 428         GtkCTreeNode *node;
 429
 430         g_return_if_fail(mimeinfo != NULL);
 431
 432         while (mimeinfo != NULL) {
 433                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 434
 435                 if (mimeinfo->node->children)
 436                         mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
 437                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
 438         }
 439 }
 440
 441 static const gchar *get_real_part_name(MimeInfo *partinfo)
 442 {
 443         const gchar *name = NULL;
 444
 445         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 446         if (name == NULL)
 447                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 448
 449         return name;
 450 }
 451
 452 static const gchar *get_part_name(MimeInfo *partinfo)
 453 {
 454         const gchar *name;
 455
 456         name = get_real_part_name(partinfo);
 457         if (name == NULL)
 458                 name = "";
 459
 460         return name;
 461 }
 462
 463 static const gchar *get_part_description(MimeInfo *partinfo)
 464 {
 465         if (partinfo->description)
 466                 return partinfo->description;
 467         else
 468                 return get_part_name(partinfo);
 469 }
 470
 471 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 472                                           MimeInfo *partinfo,
 473                                           GtkCTreeNode *parent)
 474 {
 475         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 476         GtkCTreeNode *node;
 477         static gchar content_type[64];
 478         gchar *str[N_MIMEVIEW_COLS];
 479
 480         if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
 481                 g_snprintf(content_type, 64, "%s/%s", procmime_get_media_type_str(partinfo->type), partinfo->subtype);
 482         } else {
 483                 g_snprintf(content_type, 64, "UNKNOWN");
 484         }
 485
 486         str[COL_MIMETYPE] = content_type;
 487         str[COL_SIZE] = to_human_readable(partinfo->length);
 488         if (prefs_common.attach_desc)
 489                 str[COL_NAME] = (gchar *) get_part_description(partinfo);
 490         else
 491                 str[COL_NAME] = (gchar *) get_part_name(partinfo);
 492
 493         node = gtk_sctree_insert_node(ctree, parent, NULL, str, 0,
 494                                      NULL, NULL, NULL, NULL,
 495                                      FALSE, TRUE);
 496         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 497
 498         return node;
 499 }
 500
 501 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 502 {
 503         FILE *fp;
 504         const gchar *fname;
 505
 506         if (!partinfo) return;
 507
 508         fname = mimeview->file;
 509         if (!fname) return;
 510
 511         if ((fp = g_fopen(fname, "rb")) == NULL) {
 512                 FILE_OP_ERROR(fname, "fopen");
 513                 return;
 514         }
 515
 516         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 517                 FILE_OP_ERROR(mimeview->file, "fseek");
 518                 fclose(fp);
 519                 return;
 520         }
 521
 522         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 523         textview_show_part(mimeview->textview, partinfo, fp);
 524
 525         fclose(fp);
 526 }
 527
 528 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 529 {
 530         GSList *cur;
 531         MimeViewerFactory *factory = NULL;
 532         MimeViewer *viewer = NULL;
 533
 534 /*
 535  * FNM_CASEFOLD is a GNU extension
 536  * if its not defined copy the string to the stack and
 537  * convert the copy to lower case
 538  */
 539 #ifndef FNM_CASEFOLD
 540 #define FNM_CASEFOLD 0
 541         Xstrdup_a(content_type, content_type, return NULL);
 542         g_strdown((gchar *)content_type);
 543 #endif
 544
 545         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 546                 MimeViewerFactory *curfactory = cur->data;
 547                 gint i = 0;
 548
 549                 while (curfactory->content_types[i] != NULL) {
 550                         if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
 551                                 debug_print("%s\n", curfactory->content_types[i]);
 552                                 factory = curfactory;
 553                                 break;
 554                         }
 555                         i++;
 556                 }
 557                 if (factory != NULL)
 558                         break;
 559         }
 560         if (factory == NULL)
 561                 return NULL;
 562
 563         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 564                 MimeViewer *curviewer = cur->data;
 565
 566                 if (curviewer->factory == factory)
 567                         return curviewer;
 568         }
 569         viewer = factory->create_viewer();
 570         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 571                 GTK_WIDGET(viewer->get_widget(viewer)));
 572
 573         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 574
 575         return viewer;
 576 }
 577
 578 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 579 {
 580         gchar *content_type = NULL;
 581         MimeViewer *viewer = NULL;
 582
 583         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 584             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 585                 const gchar *filename;
 586
 587                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 588                 if (filename == NULL)
 589                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 590                 if (filename != NULL)
 591                         content_type = procmime_get_mime_type(filename);
 592         } else {
 593                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 594         }
 595
 596         if (content_type != NULL) {
 597                 viewer = get_viewer_for_content_type(mimeview, content_type);
 598                 g_free(content_type);
 599         }
 600
 601         return viewer;
 602 }
 603
 604 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 605 {
 606         MimeViewer *viewer;
 607
 608         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 609         if (viewer == NULL) {
 610                 if (mimeview->mimeviewer != NULL)
 611                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 612                 mimeview->mimeviewer = NULL;
 613                 return FALSE;
 614         }
 615
 616         if (mimeview->mimeviewer != NULL)
 617                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 618
 619         if (mimeview->mimeviewer != viewer) {
 620                 mimeview->mimeviewer = viewer;
 621                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 622         }
 623         viewer->mimeview = mimeview;
 624         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 625
 626         return TRUE;
 627 }
 628
 629 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 630 {
 631         TextView  *textview  = mimeview->textview;
 632
 633         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 634             (mimeview->type == type)) return;
 635
 636         switch (type) {
 637         case MIMEVIEW_TEXT:
 638                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 639                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 640                         GTK_WIDGET_PTR(textview)));
 641                 break;
 642         case MIMEVIEW_VIEWER:
 643                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 644                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 645                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 646                 break;
 647         default:
 648                 return;
 649         }
 650
 651         mimeview->type = type;
 652 }
 653
 654 void mimeview_clear(MimeView *mimeview)
 655 {
 656         GtkCList *clist = NULL;
 657
 658         if (!mimeview)
 659                 return;
 660
 661         if (g_slist_find(mimeviews, mimeview) == NULL)
 662                 return;
 663
 664         clist = GTK_CLIST(mimeview->ctree);
 665
 666         noticeview_hide(mimeview->siginfoview);
 667
 668         gtk_clist_clear(clist);
 669         textview_clear(mimeview->textview);
 670         if (mimeview->mimeviewer != NULL)
 671                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 672
 673         mimeview_free_mimeinfo(mimeview);
 674
 675         mimeview->mimeinfo = NULL;
 676
 677         mimeview->opened = NULL;
 678
 679         g_free(mimeview->file);
 680         mimeview->file = NULL;
 681
 682         icon_list_clear(mimeview);
 683         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 684 }
 685
 686 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 687 void mimeview_check_signature(MimeView *mimeview);
 688 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 689
 690 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
 691                                         gboolean special, SignatureStatus code)
 692 {
 693         gchar *text = NULL, *button_text = NULL;
 694         void  *func = NULL;
 695         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 696         SignatureStatus mycode = SIGNATURE_UNCHECKED;
 697
 698         g_return_if_fail(mimeview != NULL);
 699         g_return_if_fail(mimeinfo != NULL);
 700
 701         if (special)
 702                 mycode = code;
 703         else
 704                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
 705
 706         switch (mycode) {
 707         case SIGNATURE_UNCHECKED:
 708                 button_text = _("Check signature");
 709                 func = check_signature_cb;
 710                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 711                 break;
 712         case SIGNATURE_OK:
 713                 button_text = _("View full information");
 714                 func = display_full_info_cb;
 715                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 716                 break;
 717         case SIGNATURE_WARN:
 718                 button_text = _("View full information");
 719                 func = display_full_info_cb;
 720                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 721                 break;
 722         case SIGNATURE_INVALID:
 723                 button_text = _("View full information");
 724                 func = display_full_info_cb;
 725                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 726                 break;
 727         case SIGNATURE_CHECK_FAILED:
 728                 button_text = _("Check again");
 729                 func = check_signature_cb;
 730                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 731         case SIGNATURE_CHECK_TIMEOUT:
 732                 button_text = _("Check again");
 733                 func = check_signature_cb;
 734                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 735         default:
 736                 break;
 737         }
 738         if (mycode == SIGNATURE_UNCHECKED) {
 739                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
 740                 text = g_strdup_printf("%s %s",
 741                         tmp, _("Click the icon or hit 'C' to check it."));
 742                 g_free(tmp);
 743         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
 744                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
 745         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
 746                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
 747         }
 748
 749         noticeview_set_text(mimeview->siginfoview, text);
 750         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
 751
 752         g_free(text);
 753         noticeview_set_button_text(mimeview->siginfoview, NULL);
 754         noticeview_set_button_press_callback(
 755                 mimeview->siginfoview,
 756                 G_CALLBACK(func),
 757                 (gpointer) mimeview);
 758         noticeview_set_icon(mimeview->siginfoview, icon);
 759         noticeview_set_tooltip(mimeview->siginfoview, button_text);
 760 }
 761
 762 #ifdef USE_PTHREAD
 763
 764 /* reset all thread stuff, and do the cleanups we've been left to do */
 765 static void mimeview_check_data_reset(MimeView *mimeview)
 766 {
 767         if (!mimeview->check_data)
 768                 return;
 769
 770         if (mimeview->check_data->free_after_use) {
 771                 debug_print("freeing deferred mimeinfo\n");
 772                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
 773         }
 774         if (mimeview->check_data->destroy_mimeview) {
 775                 debug_print("freeing deferred mimeview\n");
 776                 g_free(mimeview->file);
 777                 g_free(mimeview);
 778                 mimeviews = g_slist_remove(mimeviews, mimeview);
 779         }
 780
 781         g_free(mimeview->check_data);
 782         mimeview->check_data = NULL;
 783 }
 784
 785 /* GUI update once the checker thread is done or killed */
 786 static gboolean mimeview_check_sig_thread_cb(void *data)
 787 {
 788         MimeView *mimeview = (MimeView *) data;
 789         MimeInfo *mimeinfo = mimeview->siginfo;
 790
 791         debug_print("mimeview_check_sig_thread_cb\n");
 792
 793         if (mimeinfo == NULL) {
 794                 /* message changed !? */
 795                 g_warning("no more siginfo!\n");
 796                 goto end;
 797         }
 798
 799         if (!mimeview->check_data) {
 800                 g_warning("nothing to check\n");
 801                 return FALSE;
 802         }
 803
 804         if (mimeview->check_data->siginfo != mimeinfo) {
 805                 /* message changed !? */
 806                 g_warning("different siginfo!\n");
 807                 goto end;
 808         }
 809
 810         if (mimeview->check_data->destroy_mimeview ||
 811             mimeview->check_data->free_after_use) {
 812                 debug_print("not bothering, we're changing message\n");
 813                 goto end;
 814         }
 815
 816         /* update status */
 817         if (mimeview->check_data->timeout)
 818                 update_signature_noticeview(mimeview, mimeview->siginfo,
 819                         TRUE, SIGNATURE_CHECK_TIMEOUT);
 820         else
 821                 update_signature_noticeview(mimeview, mimeview->siginfo,
 822                         FALSE, 0);
 823         icon_list_clear(mimeview);
 824         icon_list_create(mimeview, mimeview->mimeinfo);
 825
 826 end:
 827         mimeview_check_data_reset(mimeview);
 828         return FALSE;
 829 }
 830
 831 /* sig checker thread */
 832 static void *mimeview_check_sig_worker_thread(void *data)
 833 {
 834         MimeView *mimeview = (MimeView *)data;
 835         MimeInfo *mimeinfo = mimeview->siginfo;
 836
 837         debug_print("checking...\n");
 838
 839         if (!mimeview->check_data)
 840                 return NULL;
 841
 842         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo)
 843                 privacy_mimeinfo_check_signature(mimeinfo);
 844         else {
 845                 /* that's strange! we changed message without
 846                  * getting killed. */
 847                 g_warning("different siginfo!\n");
 848                 mimeview_check_data_reset(mimeview);
 849                 return NULL;
 850         }
 851
 852         /* use g_timeout so that GUI updates is done from the
 853          * correct thread */
 854         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
 855
 856         return NULL;
 857 }
 858
 859 /* killer thread - acts when the checker didn't work fast
 860  * enough. */
 861 static void *mimeview_check_sig_cancel_thread(void *data)
 862 {
 863         MimeView *mimeview = (MimeView *)data;
 864
 865         if (!mimeview->check_data)
 866                 return NULL; /* nothing to kill ! */
 867
 868         /* wait for a few seconds... */
 869         debug_print("waiting a while\n");
 870
 871         sleep(5);
 872
 873         if (!mimeview->check_data)
 874                 return NULL; /* nothing to kill, it's done in time :) */
 875
 876         /* too late, go away checker thread */
 877         debug_print("killing checker thread\n");
 878         pthread_cancel(mimeview->check_data->th);
 879
 880         /* tell upstream it was a timeout */
 881         mimeview->check_data->timeout = TRUE;
 882         /* use g_timeout so that GUI updates is done from the
 883          * correct thread */
 884         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
 885
 886         return NULL;
 887 }
 888
 889 /* get rid of the checker thread right now - used when changing the
 890  * displayed message for example. */
 891 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
 892 {
 893         if (!mimeview->check_data)
 894                 return;
 895         debug_print("killing checker thread NOW\n");
 896         pthread_cancel(mimeview->check_data->th);
 897
 898         /* tell upstream it was a timeout */
 899         mimeview->check_data->timeout = TRUE;
 900         mimeview_check_sig_thread_cb(mimeview);
 901         return;
 902 }
 903
 904 /* creates a thread to check the signature, and a second one
 905  * to kill the first one after a timeout */
 906 static void mimeview_check_sig_in_thread(MimeView *mimeview)
 907 {
 908         pthread_t th, th2;
 909         pthread_attr_t detach, detach2;
 910
 911         if (mimeview->check_data) {
 912                 g_warning("already checking it");
 913                 return;
 914         }
 915
 916         mimeview->check_data = g_new0(SigCheckData, 1);
 917         mimeview->check_data->siginfo = mimeview->siginfo;
 918         debug_print("creating thread\n");
 919
 920         pthread_attr_init(&detach);
 921         pthread_attr_setdetachstate(&detach, TRUE);
 922
 923         pthread_attr_init(&detach2);
 924         pthread_attr_setdetachstate(&detach2, TRUE);
 925
 926         /* create the checker thread */
 927         if (pthread_create(&th, &detach,
 928                         mimeview_check_sig_worker_thread,
 929                         mimeview) != 0) {
 930                 /* arh. We'll do it synchronously. */
 931                 g_warning("can't create thread");
 932                 g_free(mimeview->check_data);
 933                 mimeview->check_data = NULL;
 934                 return;
 935         } else
 936                 mimeview->check_data->th = th;
 937
 938         /* create the killer thread */
 939         pthread_create(&th2, &detach2,
 940                         mimeview_check_sig_cancel_thread,
 941                         mimeview);
 942 }
 943 #endif
 944
 945 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
 946 {
 947         MimeView *mimeview = (MimeView *) user_data;
 948         MimeInfo *mimeinfo = mimeview->siginfo;
 949
 950         if (mimeinfo == NULL)
 951                 return;
 952 #ifdef USE_PTHREAD
 953         if (mimeview->check_data)
 954                 return;
 955 #endif
 956         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
 957         GTK_EVENTS_FLUSH();
 958 #if (defined USE_PTHREAD && defined __GLIBC__ && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)))
 959         /* let's do it non-blocking */
 960         mimeview_check_sig_in_thread(mimeview);
 961         if (!mimeview->check_data) /* let's check syncronously */
 962 #endif
 963         {
 964                 debug_print("checking without thread\n");
 965                 privacy_mimeinfo_check_signature(mimeinfo);
 966                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
 967                 icon_list_clear(mimeview);
 968                 icon_list_create(mimeview, mimeview->mimeinfo);
 969         }
 970 }
 971
 972 void mimeview_check_signature(MimeView *mimeview)
 973 {
 974         check_signature_cb(NULL, mimeview);
 975 }
 976
 977 static void redisplay_email(GtkWidget *widget, gpointer user_data)
 978 {
 979         MimeView *mimeview = (MimeView *) user_data;
 980         GtkCTreeNode *node = mimeview->opened;
 981         mimeview->opened = NULL;
 982         mimeview_selected(GTK_CTREE(mimeview->ctree), node, 0, mimeview);
 983 }
 984
 985 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
 986 {
 987         MimeView *mimeview = (MimeView *) user_data;
 988         gchar *siginfo;
 989
 990         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
 991         textview_set_text(mimeview->textview, siginfo);
 992         g_free(siginfo);
 993         noticeview_set_button_text(mimeview->siginfoview, NULL);
 994         noticeview_set_button_press_callback(
 995                 mimeview->siginfoview,
 996                 G_CALLBACK(redisplay_email),
 997                 (gpointer) mimeview);
 998         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
 999 }
1000
1001 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1002 {
1003         MimeInfo *siginfo;
1004         MimeInfo *first_text;
1005
1006         g_return_if_fail(mimeview != NULL);
1007         g_return_if_fail(selected != NULL);
1008
1009         if (selected->type == MIMETYPE_MESSAGE
1010         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1011                 /* if the first text part is signed, check that */
1012                 first_text = selected;
1013                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1014                         first_text = procmime_mimeinfo_next(first_text);
1015                 }
1016                 if (first_text) {
1017                         update_signature_info(mimeview, first_text);
1018                         return;
1019                 }
1020         }
1021
1022         siginfo = selected;
1023         while (siginfo != NULL) {
1024                 if (privacy_mimeinfo_is_signed(siginfo))
1025                         break;
1026                 siginfo = procmime_mimeinfo_parent(siginfo);
1027         }
1028         mimeview->siginfo = siginfo;
1029
1030         if (siginfo == NULL) {
1031                 noticeview_hide(mimeview->siginfoview);
1032                 return;
1033         }
1034
1035         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1036         noticeview_show(mimeview->siginfoview);
1037 }
1038
1039 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
1040                               MimeView *mimeview)
1041 {
1042         MimeInfo *partinfo;
1043         if (mimeview->opened == node) return;
1044         mimeview->opened = node;
1045         mimeview->spec_part = NULL;
1046         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
1047
1048         partinfo = gtk_ctree_node_get_row_data(ctree, node);
1049         if (!partinfo) return;
1050
1051         /* ungrab the mouse event */
1052         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1053                 gtk_grab_remove(GTK_WIDGET(ctree));
1054                 if (gdk_pointer_is_grabbed())
1055                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1056         }
1057
1058         mimeview->textview->default_text = FALSE;
1059
1060         update_signature_info(mimeview, partinfo);
1061
1062         if (!mimeview_show_part(mimeview, partinfo)) {
1063                 switch (partinfo->type) {
1064                 case MIMETYPE_TEXT:
1065                 case MIMETYPE_MESSAGE:
1066                 case MIMETYPE_MULTIPART:
1067                         mimeview_show_message_part(mimeview, partinfo);
1068
1069                         break;
1070                 default:
1071                         mimeview->textview->default_text = TRUE;
1072                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1073                         textview_clear(mimeview->textview);
1074                         textview_show_mime_part(mimeview->textview, partinfo);
1075                         break;
1076                 }
1077         }
1078 }
1079
1080 static void mimeview_start_drag(GtkWidget *widget, gint button,
1081                                 GdkEvent *event, MimeView *mimeview)
1082 {
1083         GdkDragContext *context;
1084         MimeInfo *partinfo;
1085
1086         g_return_if_fail(mimeview != NULL);
1087
1088         partinfo = mimeview_get_selected_part(mimeview);
1089         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
1090
1091         context = gtk_drag_begin(widget, mimeview->target_list,
1092                                  GDK_ACTION_COPY, button, event);
1093         gtk_drag_set_icon_default(context);
1094 }
1095
1096 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1097                                     MimeView *mimeview)
1098 {
1099         GtkCList *clist = GTK_CLIST(widget);
1100         gint row, column;
1101
1102         if (!event) return FALSE;
1103
1104         if (event->button == 2 || event->button == 3) {
1105                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1106                                                   &row, &column))
1107                         return FALSE;
1108                 gtk_clist_unselect_all(clist);
1109                 gtk_clist_select_row(clist, row, column);
1110                 gtkut_clist_set_focus_row(clist, row);
1111         }
1112         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1113
1114         return FALSE;
1115 }
1116
1117 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1118                                     MimeView *mimeview)
1119 {
1120         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1121         if (event->direction == GDK_SCROLL_UP) {
1122                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1123         } else {
1124                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1125         }
1126         gtk_vscrollbutton_scroll(scrollbutton);
1127         return TRUE;
1128 }
1129
1130 /* from gdkevents.c */
1131 #define DOUBLE_CLICK_TIME 250
1132
1133 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1134                                     MimeInfo *partinfo)
1135 {
1136         static MimeInfo *lastinfo;
1137         static guint32 lasttime;
1138
1139         if (event->button == 2 ||
1140             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1141                 /* call external program for image, audio or html */
1142                 mimeview_launch(mimeview);
1143                 return TRUE;
1144         } else if (event->button == 3) {
1145                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1146                                  partinfo->type == MIMETYPE_IMAGE ||
1147                                  partinfo->type == MIMETYPE_MULTIPART))
1148                         menu_set_sensitive(mimeview->popupfactory,
1149                                            "/Display as text", FALSE);
1150                 else
1151                         menu_set_sensitive(mimeview->popupfactory,
1152                                            "/Display as text", TRUE);
1153                 if (partinfo &&
1154                     partinfo->type == MIMETYPE_APPLICATION &&
1155                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1156                         menu_set_sensitive(mimeview->popupfactory,
1157                                            "/Open", FALSE);
1158                 else
1159                         menu_set_sensitive(mimeview->popupfactory,
1160                                            "/Open", TRUE);
1161
1162                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1163                                   "pop_partinfo", partinfo);
1164
1165                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1166                                NULL, NULL, NULL, NULL,
1167                                event->button, event->time);
1168                 return TRUE;
1169         }
1170
1171         lastinfo = partinfo;
1172         lasttime = event->time;
1173         return FALSE;
1174 }
1175
1176
1177 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1178 {
1179         mimeview_key_pressed(mimeview->ctree, event, mimeview);
1180 }
1181
1182 #define BREAK_ON_MODIFIER_KEY() \
1183         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1184
1185 #define KEY_PRESS_EVENT_STOP() \
1186         g_signal_stop_emission_by_name(G_OBJECT(ctree), \
1187                                        "key_press_event");
1188
1189 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1190                                  MimeView *mimeview)
1191 {
1192         SummaryView *summaryview;
1193         GtkCTree *ctree = GTK_CTREE(widget);
1194         GtkCTreeNode *node;
1195
1196         if (!event) return FALSE;
1197         if (!mimeview->opened) return FALSE;
1198
1199         summaryview = mimeview->messageview->mainwin->summaryview;
1200
1201         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1202                 return FALSE;
1203
1204         switch (event->keyval) {
1205         case GDK_space:
1206                 if (textview_scroll_page(mimeview->textview, FALSE))
1207                         return TRUE;
1208
1209                 node = GTK_CTREE_NODE_NEXT(mimeview->opened);
1210                 if (node) {
1211                         gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1212                         gtk_sctree_select(GTK_SCTREE(ctree), node);
1213                         return TRUE;
1214                 }
1215                 break;
1216         case GDK_BackSpace:
1217                 textview_scroll_page(mimeview->textview, TRUE);
1218                 return TRUE;
1219         case GDK_Return:
1220                 textview_scroll_one_line(mimeview->textview,
1221                                          (event->state & GDK_MOD1_MASK) != 0);
1222                 return TRUE;
1223         case GDK_n:
1224         case GDK_N:
1225                 BREAK_ON_MODIFIER_KEY();
1226                 if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
1227                 KEY_PRESS_EVENT_STOP();
1228                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
1229                                         GTK_SCROLL_STEP_FORWARD, 0.0);
1230                 return TRUE;
1231         case GDK_p:
1232         case GDK_P:
1233                 BREAK_ON_MODIFIER_KEY();
1234                 if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
1235                 KEY_PRESS_EVENT_STOP();
1236                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
1237                                         GTK_SCROLL_STEP_BACKWARD, 0.0);
1238                 return TRUE;
1239         case GDK_y:
1240                 BREAK_ON_MODIFIER_KEY();
1241                 KEY_PRESS_EVENT_STOP();
1242                 mimeview_save_as(mimeview);
1243                 return TRUE;
1244         case GDK_t:
1245                 BREAK_ON_MODIFIER_KEY();
1246                 KEY_PRESS_EVENT_STOP();
1247                 mimeview_display_as_text(mimeview);
1248                 return TRUE;
1249         case GDK_l:
1250                 BREAK_ON_MODIFIER_KEY();
1251                 KEY_PRESS_EVENT_STOP();
1252                 mimeview_launch(mimeview);
1253                 return TRUE;
1254         case GDK_o:
1255                 BREAK_ON_MODIFIER_KEY();
1256                 KEY_PRESS_EVENT_STOP();
1257                 mimeview_open_with(mimeview);
1258                 return TRUE;
1259         case GDK_c:
1260                 BREAK_ON_MODIFIER_KEY();
1261                 KEY_PRESS_EVENT_STOP();
1262                 mimeview_check_signature(mimeview);
1263                 return TRUE;
1264         default:
1265                 break;
1266         }
1267
1268         if (!mimeview->messageview->mainwin) return FALSE;
1269
1270         summary_pass_key_press_event(summaryview, event);
1271         return TRUE;
1272 }
1273
1274 static void mimeview_drag_data_get(GtkWidget        *widget,
1275                                    GdkDragContext   *drag_context,
1276                                    GtkSelectionData *selection_data,
1277                                    guint             info,
1278                                    guint             time,
1279                                    MimeView         *mimeview)
1280 {
1281         gchar *filename = NULL, *uriname, *tmp;
1282         MimeInfo *partinfo;
1283
1284         if (!mimeview->opened) return;
1285         if (!mimeview->file) return;
1286
1287         partinfo = mimeview_get_selected_part(mimeview);
1288         if (!partinfo) return;
1289
1290         if (strlen(get_part_name(partinfo)) > 0) {
1291                 filename = g_path_get_basename(get_part_name(partinfo));
1292                 if (*filename == '\0') return;
1293         } else if (partinfo->type == MIMETYPE_MESSAGE
1294                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1295                 gchar *name = NULL;
1296                 GPtrArray *headers = NULL;
1297                 FILE *fp;
1298
1299                 fp = g_fopen(partinfo->data.filename, "rb");
1300                 fseek(fp, partinfo->offset, SEEK_SET);
1301                 headers = procheader_get_header_array_asis(fp);
1302                 if (headers) {
1303                         gint i;
1304                         for (i = 0; i < headers->len; i++) {
1305                                 Header *header = g_ptr_array_index(headers, i);
1306                                 if (procheader_headername_equal(header->name, "Subject")) {
1307                                         unfold_line(header->body);
1308                                         name = g_strconcat(header->body, ".txt", NULL);
1309                                         subst_for_filename(name);
1310                                 }
1311                         }
1312                         procheader_header_array_destroy(headers);
1313                 }
1314                 fclose(fp);
1315                 if (name)
1316                         filename = g_path_get_basename(name);
1317                 g_free(name);
1318         }
1319         if (filename == NULL)
1320                 filename = g_path_get_basename("Unnamed part");
1321
1322
1323         tmp = g_filename_from_utf8(filename, -1, NULL, NULL, NULL);
1324
1325         if (tmp == NULL) {
1326                 g_warning("filename not in UTF-8");
1327                 tmp = g_strdup("Unnamed part");
1328         }
1329         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1330                                tmp, NULL);
1331
1332         g_free(tmp);
1333
1334         if (procmime_get_part(filename, partinfo) < 0)
1335                 alertpanel_error
1336                         (_("Can't save the part of multipart message."));
1337         uriname = g_strconcat("file://", filename, "\r\n", NULL);
1338
1339         gtk_selection_data_set(selection_data, selection_data->target, 8,
1340                                (guchar *)uriname, strlen(uriname));
1341
1342         g_free(uriname);
1343         g_free(filename);
1344 }
1345
1346 /**
1347  * Returns a filename (with path) for an attachment
1348  * \param partinfo The attachment to save
1349  * \param basedir The target directory
1350  * \param number Used for dummy filename if attachment is unnamed
1351  */
1352 gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1353                                       const gchar *basedir,
1354                                       gint number)
1355 {
1356         gchar *fullname;
1357         gchar *filename;
1358
1359         filename = g_strdup(get_part_name(partinfo));
1360         if (!filename || !*filename)
1361                 filename = g_strdup_printf("noname.%d", number);
1362
1363         if (!g_utf8_validate(filename, -1, NULL)) {
1364                 gchar *tmp = conv_filename_to_utf8(filename);
1365                 g_free(filename);
1366                 filename = tmp;
1367         }
1368
1369         subst_for_filename(filename);
1370
1371         fullname = g_strconcat
1372                 (basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
1373                  ? &filename[1] : filename, NULL);
1374
1375         g_free(filename);
1376         filename = conv_filename_from_utf8(fullname);
1377         g_free(fullname);
1378         return filename;
1379 }
1380
1381 /**
1382  * Write a single attachment to file
1383  * \param filename Filename with path
1384  * \param partinfo Attachment to save
1385  */
1386 static gboolean mimeview_write_part(const gchar *filename,
1387                                     MimeInfo *partinfo)
1388 {
1389         gchar *dir;
1390
1391         dir= g_path_get_dirname(filename);
1392         if (!is_dir_exist(dir))
1393                 make_dir_hier(dir);
1394         g_free(dir);
1395
1396         if (is_file_exist(filename)) {
1397                 AlertValue aval;
1398                 gchar *res;
1399                 gchar *tmp;
1400
1401                 if (!g_utf8_validate(filename, -1, NULL))
1402                         tmp = conv_filename_to_utf8(filename);
1403                 else
1404                         tmp = g_strdup(filename);
1405
1406                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1407                                       tmp);
1408                 g_free(tmp);
1409                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1410                                   GTK_STOCK_OK, NULL);
1411                 g_free(res);
1412                 if (G_ALERTALTERNATE != aval) return FALSE;
1413         }
1414
1415         if (procmime_get_part(filename, partinfo) < 0) {
1416                 alertpanel_error
1417                         (_("Can't save the part of multipart message."));
1418                 return FALSE;
1419         }
1420
1421         return TRUE;
1422 }
1423
1424 /**
1425  * Menu callback: Save all attached files
1426  * \param mimeview Current display
1427  */
1428 static void mimeview_save_all(MimeView *mimeview)
1429 {
1430         MimeInfo *partinfo;
1431         gchar *dirname;
1432         gchar *startdir = NULL;
1433         gint number = 1;
1434
1435         if (!mimeview->opened) return;
1436         if (!mimeview->file) return;
1437         if (!mimeview->mimeinfo) return;
1438
1439         partinfo = mimeview->mimeinfo;
1440         if (prefs_common.attach_save_dir)
1441                 startdir = g_strconcat(prefs_common.attach_save_dir,
1442                                        G_DIR_SEPARATOR_S, NULL);
1443
1444         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1445         if (!dirname) {
1446                 g_free(startdir);
1447                 return;
1448         }
1449
1450         if (!is_dir_exist (dirname)) {
1451                 alertpanel_error(_("'%s' is not a directory."),
1452                                  dirname);
1453                 g_free(startdir);
1454                 return;
1455         }
1456
1457         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1458                 dirname[strlen(dirname)-1] = '\0';
1459
1460         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1461         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1462                 partinfo = procmime_mimeinfo_next(partinfo);
1463         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1464                 partinfo = procmime_mimeinfo_next(partinfo);
1465                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1466                         partinfo = procmime_mimeinfo_next(partinfo);
1467         }
1468
1469         while (partinfo != NULL) {
1470                 if (partinfo->type != MIMETYPE_MESSAGE &&
1471                     partinfo->type != MIMETYPE_MULTIPART &&
1472                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1473                      || get_real_part_name(partinfo) != NULL)) {
1474                         gchar *filename = mimeview_get_filename_for_part
1475                                 (partinfo, dirname, number++);
1476
1477                         mimeview_write_part(filename, partinfo);
1478                         g_free(filename);
1479                 }
1480                 partinfo = procmime_mimeinfo_next(partinfo);
1481         }
1482
1483         g_free(prefs_common.attach_save_dir);
1484         g_free(startdir);
1485         prefs_common.attach_save_dir = g_strdup(dirname);
1486 }
1487
1488 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1489 {
1490         MimeInfo *partinfo = NULL;
1491         if (mimeview->spec_part) {
1492                 partinfo = mimeview->spec_part;
1493                 mimeview->spec_part = NULL;
1494         } else {
1495                 partinfo = mimeview_get_selected_part(mimeview);
1496                 if (!partinfo) {
1497                         partinfo = (MimeInfo *) g_object_get_data
1498                                  (G_OBJECT(mimeview->popupmenu),
1499                                  "pop_partinfo");
1500                         g_object_set_data(G_OBJECT(mimeview->popupmenu),
1501                                           "pop_partinfo", NULL);
1502                 }
1503         }
1504
1505         return partinfo;
1506 }
1507 /**
1508  * Menu callback: Save the selected attachment
1509  * \param mimeview Current display
1510  */
1511 static void mimeview_save_as(MimeView *mimeview)
1512 {
1513         gchar *filename;
1514         gchar *filepath = NULL;
1515         gchar *filedir = NULL;
1516         MimeInfo *partinfo;
1517         gchar *partname = NULL;
1518
1519         if (!mimeview->opened) return;
1520         if (!mimeview->file) return;
1521
1522         partinfo = mimeview_get_part_to_use(mimeview);
1523
1524         g_return_if_fail(partinfo != NULL);
1525
1526         if (get_part_name(partinfo) == NULL) {
1527                 return;
1528         }
1529         partname = g_strdup(get_part_name(partinfo));
1530
1531         if (!g_utf8_validate(partname, -1, NULL)) {
1532                 gchar *tmp = conv_filename_to_utf8(partname);
1533                 g_free(partname);
1534                 partname = tmp;
1535         }
1536
1537         subst_for_filename(partname);
1538
1539         if (prefs_common.attach_save_dir)
1540                 filepath = g_strconcat(prefs_common.attach_save_dir,
1541                                        G_DIR_SEPARATOR_S, partname, NULL);
1542         else
1543                 filepath = g_strdup(partname);
1544
1545         g_free(partname);
1546
1547         filename = filesel_select_file_save(_("Save as"), filepath);
1548         if (!filename) {
1549                 g_free(filepath);
1550                 return;
1551         }
1552
1553         mimeview_write_part(filename, partinfo);
1554
1555         filedir = g_path_get_dirname(filename);
1556         if (filedir && strcmp(filedir, ".")) {
1557                 g_free(prefs_common.attach_save_dir);
1558                 prefs_common.attach_save_dir = g_strdup(filedir);
1559         }
1560
1561         g_free(filedir);
1562         g_free(filepath);
1563 }
1564
1565 static void mimeview_display_as_text(MimeView *mimeview)
1566 {
1567         MimeInfo *partinfo;
1568
1569         if (!mimeview->opened) return;
1570
1571         partinfo = mimeview_get_part_to_use(mimeview);
1572
1573         g_return_if_fail(partinfo != NULL);
1574         mimeview_show_message_part(mimeview, partinfo);
1575 }
1576
1577 static void mimeview_launch(MimeView *mimeview)
1578 {
1579         MimeInfo *partinfo;
1580         gchar *filename;
1581
1582         if (!mimeview->opened) return;
1583         if (!mimeview->file) return;
1584
1585         partinfo = mimeview_get_part_to_use(mimeview);
1586
1587         g_return_if_fail(partinfo != NULL);
1588
1589         filename = procmime_get_tmp_file_name(partinfo);
1590
1591         if (procmime_get_part(filename, partinfo) < 0)
1592                 alertpanel_error
1593                         (_("Can't save the part of multipart message."));
1594         else
1595                 mimeview_view_file(filename, partinfo, NULL, mimeview);
1596
1597         g_free(filename);
1598 }
1599
1600 static void mimeview_open_with(MimeView *mimeview)
1601 {
1602         MimeInfo *partinfo;
1603
1604         if (!mimeview) return;
1605         if (!mimeview->opened) return;
1606         if (!mimeview->file) return;
1607
1608         partinfo = mimeview_get_part_to_use(mimeview);
1609
1610         mimeview_open_part_with(mimeview, partinfo);
1611 }
1612
1613 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo)
1614 {
1615         gchar *filename;
1616         gchar *cmd;
1617         gchar *mime_command = NULL;
1618         gchar *content_type = NULL;
1619
1620         g_return_if_fail(partinfo != NULL);
1621
1622         filename = procmime_get_tmp_file_name(partinfo);
1623
1624         if (procmime_get_part(filename, partinfo) < 0) {
1625                 alertpanel_error
1626                         (_("Can't save the part of multipart message."));
1627                 g_free(filename);
1628                 return;
1629         }
1630
1631         if (!prefs_common.mime_open_cmd_history)
1632                 prefs_common.mime_open_cmd_history =
1633                         add_history(NULL, prefs_common.mime_open_cmd);
1634
1635         if ((partinfo->type == MIMETYPE_APPLICATION) &&
1636             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
1637                 /* guess content-type from filename */
1638                 content_type = procmime_get_mime_type(filename);
1639         }
1640         if (content_type == NULL) {
1641                 content_type = procmime_get_content_type_str(partinfo->type,
1642                         partinfo->subtype);
1643         }
1644         mime_command = mailcap_get_command_for_type(content_type);
1645
1646         if (mime_command == NULL) {
1647                 /* try with extension this time */
1648                 g_free(content_type);
1649                 content_type = procmime_get_mime_type(filename);
1650                 mime_command = mailcap_get_command_for_type(content_type);
1651         }
1652
1653         g_free(content_type);
1654         cmd = input_dialog_combo
1655                 (_("Open with"),
1656                  _("Enter the command line to open file:\n"
1657                    "('%s' will be replaced with file name)"),
1658                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1659                  prefs_common.mime_open_cmd_history,
1660                  TRUE);
1661         g_free(mime_command);
1662         if (cmd) {
1663                 mimeview_view_file(filename, partinfo, cmd, mimeview);
1664                 g_free(prefs_common.mime_open_cmd);
1665                 prefs_common.mime_open_cmd = cmd;
1666                 prefs_common.mime_open_cmd_history =
1667                         add_history(prefs_common.mime_open_cmd_history, cmd);
1668         }
1669
1670         g_free(filename);
1671 }
1672
1673 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1674                                const gchar *cmdline, MimeView *mimeview)
1675 {
1676         static gchar *default_image_cmdline = DEFAULT_IMAGE_VIEWER_CMD;
1677         static gchar *default_audio_cmdline = DEFAULT_AUDIO_PLAYER_CMD;
1678         static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
1679         static gchar *mime_cmdline = DEFAULT_MIME_CMD;
1680         gchar buf[1024];
1681         gchar m_buf[1024];
1682         const gchar *cmd;
1683         const gchar *def_cmd;
1684         const gchar *p;
1685
1686         if (cmdline) {
1687                 cmd = cmdline;
1688                 def_cmd = NULL;
1689         } else if (MIMETYPE_APPLICATION == partinfo->type &&
1690                    !g_ascii_strcasecmp(partinfo->subtype, "octet-stream")) {
1691                 mimeview_open_part_with(mimeview, partinfo);
1692                 return;
1693         } else if (MIMETYPE_IMAGE == partinfo->type) {
1694                 cmd = prefs_common.mime_image_viewer;
1695                 def_cmd = default_image_cmdline;
1696         } else if (MIMETYPE_AUDIO == partinfo->type) {
1697                 cmd = prefs_common.mime_audio_player;
1698                 def_cmd = default_audio_cmdline;
1699         } else if (MIMETYPE_TEXT == partinfo->type && !strcasecmp(partinfo->subtype, "html")) {
1700                 cmd = prefs_common.uri_cmd;
1701                 def_cmd = default_html_cmdline;
1702         } else {
1703                 gchar *content_type;
1704
1705                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
1706                 g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
1707                            content_type, "%s");
1708                 g_free(content_type);
1709                 cmd = m_buf;
1710                 def_cmd = NULL;
1711         }
1712
1713         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1714             !strchr(p + 2, '%'))
1715                 g_snprintf(buf, sizeof(buf), cmd, filename);
1716         else {
1717                 if (cmd)
1718                         g_warning("MIME viewer command line is invalid: '%s'", cmd);
1719                 if (def_cmd)
1720                         g_snprintf(buf, sizeof(buf), def_cmd, filename);
1721                 else {
1722                         mimeview_open_part_with(mimeview, partinfo);
1723                         return;
1724                 }
1725         }
1726
1727         if (execute_command_line(buf, TRUE) != 0)
1728                 mimeview_open_part_with(mimeview, partinfo);
1729 }
1730
1731 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1732 {
1733         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1734 }
1735
1736 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1737 {
1738         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1739 }
1740
1741 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1742 {
1743         GSList *mimeview_list, *viewer_list;
1744
1745         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1746                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1747
1748                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1749                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1750                         mimeview->mimeviewer = NULL;
1751                 }
1752
1753                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1754                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1755
1756                         mimeviewer->destroy_viewer(mimeviewer);
1757                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1758                 }
1759         }
1760
1761         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1762 }
1763
1764 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1765 {
1766         gint      num;
1767         MimeInfo *partinfo;
1768
1769         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1770         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1771
1772         icon_selected(mimeview, num, partinfo);
1773         gtk_widget_grab_focus(button);
1774         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1775                 toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1776                 if (event->button == 2 || event->button == 3)
1777                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button),
1778                                                      TRUE);
1779         }
1780
1781         part_button_pressed(mimeview, event, partinfo);
1782
1783         return FALSE;
1784 }
1785
1786 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1787 {
1788         GtkCTreeNode *node;
1789         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1790         if (node)
1791                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1792 }
1793
1794 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
1795 {
1796         icon_list_toggle_by_mime_info(mimeview, partinfo);
1797         icon_selected(mimeview, -1, partinfo);
1798 }
1799
1800 #undef  KEY_PRESS_EVENT_STOP
1801 #define KEY_PRESS_EVENT_STOP() \
1802         g_signal_stop_emission_by_name(G_OBJECT(button), \
1803                                        "key_press_event");
1804
1805 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1806                              MimeView *mimeview)
1807 {
1808         gint          num;
1809         MimeInfo     *partinfo;
1810         SummaryView  *summaryview;
1811         TextView     *textview;
1812
1813         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1814         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1815
1816         if (!event) return FALSE;
1817
1818         textview = mimeview->textview;
1819
1820         switch (event->keyval) {
1821         case GDK_space:
1822                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1823                         /* stop the button being untoggled */
1824                         KEY_PRESS_EVENT_STOP();
1825                         if (textview_scroll_page(textview, FALSE))
1826                                 return TRUE;
1827
1828                         if (icon_list_select_by_number(mimeview, num + 1))
1829                                 return TRUE;
1830                 } else {
1831                         icon_selected(mimeview, num, partinfo);
1832                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1833                         return TRUE;
1834                 }
1835
1836                 break;
1837         case GDK_BackSpace:
1838                 textview_scroll_page(textview, TRUE);
1839                 return TRUE;
1840         case GDK_Return:
1841                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1842                         KEY_PRESS_EVENT_STOP();
1843                         textview_scroll_one_line(textview,
1844                                                  (event->state & GDK_MOD1_MASK) != 0);
1845                         return TRUE;
1846                 } else {
1847                         icon_selected(mimeview, num, partinfo);
1848                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1849                         return TRUE;
1850                 }
1851
1852         case GDK_n:
1853         case GDK_N:
1854                 BREAK_ON_MODIFIER_KEY();
1855                 if (icon_list_select_by_number(mimeview, num + 1)) {
1856                         KEY_PRESS_EVENT_STOP();
1857                         return TRUE;
1858                 }
1859                 break;
1860
1861         case GDK_p:
1862         case GDK_P:
1863                 BREAK_ON_MODIFIER_KEY();
1864                 if (icon_list_select_by_number(mimeview, num - 1)) {
1865                         KEY_PRESS_EVENT_STOP();
1866                         return TRUE;
1867                 }
1868                 break;
1869
1870         case GDK_y:
1871                 BREAK_ON_MODIFIER_KEY();
1872                 KEY_PRESS_EVENT_STOP();
1873                 mimeview_save_as(mimeview);
1874                 return TRUE;
1875         case GDK_t:
1876                 BREAK_ON_MODIFIER_KEY();
1877                 KEY_PRESS_EVENT_STOP();
1878                 mimeview_display_as_text(mimeview);
1879                 return TRUE;
1880         case GDK_l:
1881                 BREAK_ON_MODIFIER_KEY();
1882                 KEY_PRESS_EVENT_STOP();
1883                 mimeview_launch(mimeview);
1884                 return TRUE;
1885         case GDK_o:
1886                 BREAK_ON_MODIFIER_KEY();
1887                 KEY_PRESS_EVENT_STOP();
1888                 mimeview_open_with(mimeview);
1889                 return TRUE;
1890         case GDK_c:
1891                 BREAK_ON_MODIFIER_KEY();
1892                 KEY_PRESS_EVENT_STOP();
1893                 mimeview_check_signature(mimeview);
1894                 return TRUE;
1895         default:
1896                 break;
1897         }
1898
1899         if (!mimeview->messageview->mainwin) return FALSE;
1900         summaryview = mimeview->messageview->mainwin->summaryview;
1901         return summary_pass_key_press_event(summaryview, event);
1902 }
1903
1904 static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
1905 {
1906         GList *child;
1907
1908         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
1909         for (; child != NULL; child = g_list_next(child)) {
1910                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1911                     GTK_TOGGLE_BUTTON(child->data) != button &&
1912                     gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
1913                         gtk_toggle_button_set_active
1914                                 (GTK_TOGGLE_BUTTON(child->data),
1915                                  FALSE);
1916         }
1917 }
1918
1919 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
1920 {
1921         GtkWidget *pixmap = NULL;
1922         GtkWidget *vbox;
1923         GtkWidget *button;
1924         gchar *tip;
1925         gchar *tiptmp;
1926         const gchar *desc = NULL;
1927         gchar *sigshort = NULL;
1928         gchar *content_type;
1929         StockPixmap stockp;
1930         MimeInfo *partinfo;
1931         MimeInfo *siginfo = NULL;
1932         MimeInfo *encrypted = NULL;
1933
1934         vbox = mimeview->icon_vbox;
1935         mimeview->icon_count++;
1936         button = gtk_toggle_button_new();
1937         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
1938         g_object_set_data(G_OBJECT(button), "icon_number",
1939                           GINT_TO_POINTER(mimeview->icon_count));
1940         g_object_set_data(G_OBJECT(button), "partinfo",
1941                           mimeinfo);
1942
1943         switch (mimeinfo->type) {
1944
1945         case MIMETYPE_TEXT:
1946                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
1947                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
1948                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
1949                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
1950                 else
1951                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
1952                 break;
1953         case MIMETYPE_MESSAGE:
1954                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
1955                 break;
1956         case MIMETYPE_APPLICATION:
1957                 stockp = STOCK_PIXMAP_MIME_APPLICATION;
1958                 break;
1959         case MIMETYPE_IMAGE:
1960                 stockp = STOCK_PIXMAP_MIME_IMAGE;
1961                 break;
1962         case MIMETYPE_AUDIO:
1963                 stockp = STOCK_PIXMAP_MIME_AUDIO;
1964                 break;
1965         default:
1966                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
1967                 break;
1968         }
1969
1970         partinfo = mimeinfo;
1971         while (partinfo != NULL) {
1972                 if (privacy_mimeinfo_is_signed(partinfo)) {
1973                         siginfo = partinfo;
1974                         break;
1975                 }
1976                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
1977                         encrypted = partinfo;
1978                         break;
1979                 }
1980                 partinfo = procmime_mimeinfo_parent(partinfo);
1981         }
1982
1983         if (siginfo != NULL) {
1984                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
1985                 case SIGNATURE_UNCHECKED:
1986                 case SIGNATURE_CHECK_FAILED:
1987                 case SIGNATURE_CHECK_TIMEOUT:
1988                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1989                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1990                         break;
1991                 case SIGNATURE_OK:
1992                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1993                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1994                         break;
1995                 case SIGNATURE_WARN:
1996                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1997                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
1998                         break;
1999                 case SIGNATURE_INVALID:
2000                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2001                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2002                         break;
2003                 }
2004                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2005         } else if (encrypted != NULL) {
2006                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2007                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2008         } else {
2009                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2010                                                           OVERLAY_NONE, 6, 3);
2011         }
2012         gtk_container_add(GTK_CONTAINER(button), pixmap);
2013
2014         if (!desc) {
2015                 if (prefs_common.attach_desc)
2016                         desc = get_part_description(mimeinfo);
2017                 else
2018                         desc = get_part_name(mimeinfo);
2019         }
2020
2021         content_type = procmime_get_content_type_str(mimeinfo->type,
2022                                                      mimeinfo->subtype);
2023
2024         tip = g_strjoin("\n", content_type,
2025                         to_human_readable(mimeinfo->length), NULL);
2026         g_free(content_type);
2027         if (desc && *desc) {
2028                 gchar *tmp = NULL;
2029                 if (!g_utf8_validate(desc, -1, NULL)) {
2030                         tmp = conv_filename_to_utf8(desc);
2031                 } else {
2032                         tmp = g_strdup(desc);
2033                 }
2034                 tiptmp = g_strjoin("\n", tmp, tip, NULL);
2035                 g_free(tip);
2036                 tip = tiptmp;
2037                 g_free(tmp);
2038         }
2039         if (sigshort && *sigshort) {
2040                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
2041                 g_free(tip);
2042                 tip = tiptmp;
2043         }
2044         g_free(sigshort);
2045
2046         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
2047         g_free(tip);
2048         gtk_widget_show_all(button);
2049         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2050                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2051         g_signal_connect(G_OBJECT(button), "button_release_event",
2052                          G_CALLBACK(icon_clicked_cb), mimeview);
2053         g_signal_connect(G_OBJECT(button), "key_press_event",
2054                          G_CALLBACK(icon_key_pressed), mimeview);
2055         g_signal_connect(G_OBJECT(button), "drag_data_get",
2056                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2057         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2058
2059 }
2060
2061 static void icon_list_clear (MimeView *mimeview)
2062 {
2063         GList     *child;
2064         GtkAdjustment *adj;
2065
2066         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2067         for (; child != NULL; child = g_list_next(child)) {
2068                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2069                                        GTK_WIDGET(child->data));
2070                 gtk_widget_destroy(GTK_WIDGET(child->data));
2071         }
2072         g_list_free(child);
2073         mimeview->icon_count = 0;
2074         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2075         gtk_adjustment_set_value(adj, adj->lower);
2076 }
2077
2078 static void icon_list_toggle_by_mime_info(MimeView      *mimeview,
2079                                           MimeInfo      *mimeinfo)
2080 {
2081         GList *child;
2082
2083         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2084         for (; child != NULL; child = g_list_next(child)) {
2085                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
2086                     g_object_get_data(G_OBJECT(child->data),
2087                                       "partinfo") == (gpointer)mimeinfo) {
2088                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
2089                         gtk_toggle_button_set_active
2090                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
2091                 }
2092         }
2093 }
2094
2095 /*!
2096  *\brief        Used to 'click' the next or previous icon.
2097  *
2098  *\return       true if the icon 'number' exists and was selected.
2099  */
2100 static gboolean icon_list_select_by_number(MimeView     *mimeview,
2101                                            gint          number)
2102 {
2103         GList *child;
2104
2105         if (number == 0) return FALSE;
2106         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2107         for (; child != NULL; child = g_list_next(child)) {
2108                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
2109                     GPOINTER_TO_INT(g_object_get_data(G_OBJECT(child->data),
2110                                         "icon_number")) == number) {
2111                         icon_selected(mimeview, number,
2112                                       (MimeInfo*)g_object_get_data(G_OBJECT(child->data),
2113                                                                    "partinfo"));
2114                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
2115                         gtk_toggle_button_set_active
2116                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
2117                         gtk_widget_grab_focus(GTK_WIDGET(child->data));
2118
2119                         return TRUE;
2120                 }
2121         }
2122         return FALSE;
2123 }
2124
2125 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2126                                          GtkAllocation *size, MimeView *mimeview)
2127 {
2128         GtkAllocation *mainbox_size;
2129         GtkAllocation *vbox_size;
2130         GtkAllocation *layout_size;
2131         GtkAdjustment *adj;
2132
2133         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2134
2135         mainbox_size = &mimeview->icon_mainbox->allocation;
2136         vbox_size = &mimeview->icon_vbox->allocation;
2137         layout_size = &mimeview->icon_scroll->allocation;
2138
2139         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2140                             GTK_LAYOUT(mimeview->icon_scroll)->width,
2141                             MAX(vbox_size->height, layout_size->height));
2142         adj->step_increment = 10;
2143 }
2144
2145 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2146 {
2147         GtkRequisition size;
2148
2149         g_return_if_fail(mimeinfo != NULL);
2150
2151         while (mimeinfo != NULL) {
2152                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2153                         icon_list_append_icon(mimeview, mimeinfo);
2154                 if (mimeinfo->node->children != NULL)
2155                         icon_list_create(mimeview,
2156                                 (MimeInfo *) mimeinfo->node->children->data);
2157                 mimeinfo = mimeinfo->node->next != NULL
2158                          ? (MimeInfo *) mimeinfo->node->next->data
2159                          : NULL;
2160         }
2161         gtk_widget_size_request(mimeview->icon_vbox, &size);
2162         if (size.width > mimeview->icon_mainbox->requisition.width) {
2163                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2164                                             size.width, -1);
2165         }
2166
2167 }
2168
2169 static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
2170 {
2171         gtk_widget_ref(button);
2172
2173         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
2174                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
2175                                         GTK_SHADOW_NONE);
2176                 gtk_widget_hide(mimeview->icon_mainbox);
2177                 gtk_widget_show(mimeview->ctree_mainbox);
2178                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
2179
2180                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2181                                         button);
2182                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2183                                    button, FALSE, FALSE, 0);
2184                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
2185         } else {
2186                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
2187                               GTK_SHADOW_NONE);
2188                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
2189                 gtk_widget_hide(mimeview->ctree_mainbox);
2190                 gtk_widget_show(mimeview->icon_mainbox);
2191                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2192
2193                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2194                                         button);
2195                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2196                                    button, FALSE, FALSE, 0);
2197                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
2198                 if (mimeview->opened)
2199                         icon_list_toggle_by_mime_info
2200                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
2201                                                                        mimeview->opened));
2202
2203                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
2204         }
2205         gtk_widget_grab_focus(button);
2206         gtk_widget_unref(button);
2207
2208 }
2209
2210 void mimeview_update (MimeView *mimeview) {
2211         if (mimeview && mimeview->mimeinfo) {
2212                 icon_list_clear(mimeview);
2213                 icon_list_create(mimeview, mimeview->mimeinfo);
2214         }
2215 }
2216
2217 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2218 {
2219         MessageView *msgview = NULL;
2220         MainWindow *mainwin = NULL;
2221
2222         if (!cmd)
2223                 return;
2224
2225         msgview = mimeview->messageview;
2226         if (!msgview)
2227                 return;
2228
2229         mainwin = msgview->mainwin;
2230         if (!mainwin)
2231                 return;
2232
2233         else if (!strcmp(cmd, "sc://view_log"))
2234                 log_window_show(mainwin->logwin);
2235         else if (!strcmp(cmd, "sc://save_as"))
2236                 mimeview_save_as(mimeview);
2237         else if (!strcmp(cmd, "sc://display_as_text"))
2238                 mimeview_display_as_text(mimeview);
2239         else if (!strcmp(cmd, "sc://open_with"))
2240                 mimeview_open_with(mimeview);
2241         else if (!strcmp(cmd, "sc://open"))
2242                 mimeview_launch(mimeview);
2243         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2244                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2245                 icon_selected(mimeview, -1, (MimeInfo *)data);
2246         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2247                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2248                 icon_selected(mimeview, -1, (MimeInfo *)data);
2249                 mimeview_launch(mimeview);
2250         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2251                 mimeview->spec_part = (MimeInfo *)data;
2252                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2253         }
2254 }
2255