src/plugins/fancy/fancy_viewer.c

   1 /*
   2  * Claws Mail -- A GTK+ based, lightweight, and fast e-mail client
   3  * == Fancy Plugin ==
   4  * Copyright(C) 1999-2015 the Claws Mail Team
   5  * This file Copyright (C) 2009-2014 Salvatore De Paolis
   6  * <iwkse@claws-mail.org> and the Claws Mail Team
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #include "claws-features.h"
  26 #endif
  27
  28 #include <fancy_viewer.h>
  29 #include <fancy_prefs.h>
  30 #include <alertpanel.h>
  31
  32 #include <printing.h>
  33
  34
  35 static void
  36 load_start_cb (WebKitWebView *view, gint progress, FancyViewer *viewer);
  37
  38 static void
  39 load_finished_cb (WebKitWebView *view, gint progress, FancyViewer *viewer);
  40
  41 static void
  42 over_link_cb (WebKitWebView *view, const gchar *wtf, const gchar *link,
  43               FancyViewer *viewer, void *wtfa);
  44
  45 static void
  46 load_progress_cb (WebKitWebView *view, gint progress, FancyViewer *viewer);
  47
  48 static WebKitNavigationResponse
  49 navigation_requested_cb (WebKitWebView *view, WebKitWebFrame *frame,
  50                          WebKitNetworkRequest *netreq, FancyViewer *viewer);
  51
  52 static MimeViewerFactory fancy_viewer_factory;
  53
  54 static gboolean
  55 fancy_text_search(MimeViewer *_viewer, gboolean backward, const gchar *str,
  56                   gboolean case_sens);
  57
  58 static void
  59 viewer_menu_handler(GtkWidget *menuitem, FancyViewer *viewer);
  60
  61 static gint keypress_events_cb (GtkWidget *widget, GdkEventKey *event,
  62                                                                 FancyViewer *viewer);
  63 static void zoom_in_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer);
  64 static void zoom_out_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer);
  65 static gboolean fancy_prefs_cb(GtkWidget *widget, GdkEventButton *ev, FancyViewer *viewer);
  66 static void zoom_100_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer);
  67 static void open_in_browser_cb(GtkWidget *widget, FancyViewer *viewer);
  68 static void fancy_create_popup_prefs_menu(FancyViewer *viewer);
  69 static void fancy_show_notice(FancyViewer *viewer, const gchar *message);
  70 static size_t download_file_curl_write_cb(void *buffer, size_t size,
  71                                           size_t nmemb, void *data);
  72 static void *download_file_curl (void *data);
  73 static void download_file_cb(GtkWidget *widget, FancyViewer *viewer);
  74
  75 #if !WEBKIT_CHECK_VERSION (1,5,1)
  76 gchar* webkit_web_view_get_selected_text(WebKitWebView* web_view);
  77 #endif
  78
  79 /*------*/
  80 static GtkWidget *fancy_get_widget(MimeViewer *_viewer)
  81 {
  82         FancyViewer *viewer = (FancyViewer *) _viewer;
  83         debug_print("fancy_get_widget: %p\n", viewer->vbox);
  84
  85         return GTK_WIDGET(viewer->vbox);
  86 }
  87
  88 static void fancy_apply_prefs(FancyViewer *viewer)
  89 {
  90         g_object_set(viewer->settings,
  91                 "auto-load-images", viewer->override_prefs_images,
  92                 "enable-scripts", viewer->override_prefs_scripts,
  93                 "enable-plugins", viewer->override_prefs_plugins,
  94                 "enable-java-applet", viewer->override_prefs_java,
  95                 "enable-dns-prefetching", viewer->override_prefs_remote_content,
  96                 "user-stylesheet-uri", viewer->override_stylesheet,
  97 #ifdef G_OS_WIN32
  98                 "default-font-family", "Arial",
  99                 "cursive-font-family", "Comic Sans MS",
 100                 "fantasy-font-family", "Comic Sans MS",
 101                 "monospace-font-family", "Courier New",
 102                 "sans-serif-font-family", "Arial",
 103                 "serif-font-family", "Times New Roman",
 104 #endif
 105                 NULL);
 106         webkit_web_view_set_settings(viewer->view, viewer->settings);
 107 }
 108
 109 static void fancy_auto_load_images_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 110         viewer->override_prefs_images = gtk_check_menu_item_get_active(item);
 111         fancy_apply_prefs(viewer);
 112         webkit_web_view_reload (viewer->view);
 113 }
 114
 115 static void fancy_enable_remote_content_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 116         viewer->override_prefs_remote_content = gtk_check_menu_item_get_active(item);
 117         fancy_apply_prefs(viewer);
 118         webkit_web_view_reload (viewer->view);
 119 }
 120
 121 static void fancy_enable_scripts_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 122         viewer->override_prefs_scripts = gtk_check_menu_item_get_active(item);
 123         fancy_apply_prefs(viewer);
 124         webkit_web_view_reload (viewer->view);
 125 }
 126
 127 static void fancy_enable_plugins_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 128         viewer->override_prefs_plugins = gtk_check_menu_item_get_active(item);
 129         fancy_apply_prefs(viewer);
 130         webkit_web_view_reload (viewer->view);
 131 }
 132
 133 static void fancy_enable_java_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 134         viewer->override_prefs_java = gtk_check_menu_item_get_active(item);
 135         fancy_apply_prefs(viewer);
 136         webkit_web_view_reload (viewer->view);
 137 }
 138
 139 static void fancy_open_external_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 140         viewer->override_prefs_external = gtk_check_menu_item_get_active(item);
 141         fancy_apply_prefs(viewer);
 142 }
 143
 144 static void fancy_set_defaults(FancyViewer *viewer)
 145 {
 146         viewer->override_prefs_remote_content = fancy_prefs.enable_remote_content;
 147         viewer->override_prefs_external = fancy_prefs.open_external;
 148         viewer->override_prefs_images = fancy_prefs.enable_images;
 149         viewer->override_prefs_scripts = fancy_prefs.enable_scripts;
 150         viewer->override_prefs_plugins = fancy_prefs.enable_plugins;
 151         viewer->override_prefs_java = fancy_prefs.enable_java;
 152         viewer->override_stylesheet = g_strconcat("file://", fancy_prefs.stylesheet, NULL);
 153
 154         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_images),
 155                 fancy_auto_load_images_activated, viewer);
 156         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_remote_content),
 157                 fancy_enable_remote_content_activated, viewer);
 158         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_scripts),
 159                 fancy_enable_scripts_activated, viewer);
 160         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_plugins),
 161                 fancy_enable_plugins_activated, viewer);
 162         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_java),
 163                 fancy_enable_java_activated, viewer);
 164         g_signal_handlers_block_by_func(G_OBJECT(viewer->open_external),
 165                 fancy_open_external_activated, viewer);
 166
 167         gtk_check_menu_item_set_active(
 168                 GTK_CHECK_MENU_ITEM(viewer->enable_images),
 169                 viewer->override_prefs_images);
 170         gtk_check_menu_item_set_active(
 171                 GTK_CHECK_MENU_ITEM(viewer->enable_scripts),
 172                 viewer->override_prefs_scripts);
 173         gtk_check_menu_item_set_active(
 174                 GTK_CHECK_MENU_ITEM(viewer->enable_plugins),
 175                 viewer->override_prefs_plugins);
 176         gtk_check_menu_item_set_active(
 177                 GTK_CHECK_MENU_ITEM(viewer->enable_java),
 178                 viewer->override_prefs_java);
 179         gtk_check_menu_item_set_active(
 180                 GTK_CHECK_MENU_ITEM(viewer->enable_remote_content),
 181                 viewer->override_prefs_remote_content);
 182         gtk_check_menu_item_set_active(
 183                 GTK_CHECK_MENU_ITEM(viewer->open_external),
 184                 viewer->override_prefs_external);
 185
 186         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_images),
 187                 fancy_auto_load_images_activated, viewer);
 188         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_remote_content),
 189                 fancy_enable_remote_content_activated, viewer);
 190         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_scripts),
 191                 fancy_enable_scripts_activated, viewer);
 192         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_plugins),
 193                 fancy_enable_plugins_activated, viewer);
 194         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_java),
 195                 fancy_enable_java_activated, viewer);
 196         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->open_external),
 197                 fancy_open_external_activated, viewer);
 198
 199         fancy_apply_prefs(viewer);
 200 }
 201
 202 static void fancy_load_uri(FancyViewer *viewer, const gchar *uri)
 203 {
 204 #if WEBKIT_CHECK_VERSION(1,1,1)
 205         webkit_web_view_load_uri(viewer->view, uri);
 206 #else
 207         webkit_web_view_open(viewer->view, uri);
 208 #endif
 209 }
 210
 211 static gboolean fancy_show_mimepart_real(MimeViewer *_viewer)
 212 {
 213         FancyViewer *viewer = (FancyViewer *) _viewer;
 214         MessageView *messageview = ((MimeViewer *)viewer)->mimeview
 215                                         ? ((MimeViewer *)viewer)->mimeview->messageview
 216                                         : NULL;
 217         MimeInfo *partinfo = viewer->to_load;
 218
 219         if (messageview) {
 220                 messageview->updating = TRUE;
 221                 NoticeView *noticeview = messageview->noticeview;
 222                 noticeview_hide(noticeview);
 223         }
 224
 225         if (viewer->filename != NULL) {
 226                 g_unlink(viewer->filename);
 227                 g_free(viewer->filename);
 228                 viewer->filename = NULL;
 229         }
 230
 231         if (partinfo)
 232                 viewer->filename = procmime_get_tmp_file_name(partinfo);
 233         debug_print("filename: %s\n", viewer->filename);
 234         if (!viewer->filename) {
 235                 return FALSE;
 236         }
 237         if (procmime_get_part(viewer->filename, partinfo) < 0) {
 238                 g_free(viewer->filename);
 239                 viewer->filename = NULL;
 240         }
 241         else {
 242                 const gchar *charset = NULL;
 243                 if (messageview && messageview->forced_charset)
 244                         charset = _viewer->mimeview->messageview->forced_charset;
 245                 else
 246                         charset = procmime_mimeinfo_get_parameter(partinfo, "charset");
 247                 if (!charset)
 248                         charset = conv_get_locale_charset_str();
 249                 debug_print("using %s charset\n", charset);
 250                 g_object_set(viewer->settings, "default-encoding", charset, NULL);
 251                 gchar *tmp = g_filename_to_uri(viewer->filename, NULL, NULL);
 252                 debug_print("zoom_level: %i\n", fancy_prefs.zoom_level);
 253                 webkit_web_view_set_zoom_level(viewer->view, (fancy_prefs.zoom_level / 100.0));
 254
 255                 fancy_set_defaults(viewer);
 256                 fancy_load_uri(viewer, tmp);
 257
 258                 g_free(tmp);
 259         }
 260         viewer->loading = FALSE;
 261         return FALSE;
 262 }
 263 static void fancy_show_notice(FancyViewer *viewer, const gchar *message)
 264 {
 265         gtk_label_set_text(GTK_LABEL(viewer->l_link), message);
 266 }
 267 static gint fancy_show_mimepart_prepare(MimeViewer *_viewer)
 268 {
 269         FancyViewer *viewer = (FancyViewer *) _viewer;
 270
 271         g_timeout_add(5, (GSourceFunc)fancy_show_mimepart_real, viewer);
 272         return FALSE;
 273 }
 274
 275 static void fancy_show_mimepart(MimeViewer *_viewer, const gchar *infile,
 276                                                                 MimeInfo *partinfo)
 277 {
 278         FancyViewer *viewer = (FancyViewer *) _viewer;
 279         viewer->to_load = partinfo;
 280         viewer->loading = TRUE;
 281         g_timeout_add(5, (GtkFunction)fancy_show_mimepart_prepare, viewer);
 282 }
 283
 284 static void fancy_print(MimeViewer *_viewer)
 285 {
 286         FancyViewer *viewer = (FancyViewer *) _viewer;
 287         GtkPrintOperationResult res;
 288         GError *error = NULL;
 289         GtkPrintOperation *op;
 290
 291         gtk_widget_realize(GTK_WIDGET(viewer->view));
 292
 293         while (viewer->loading)
 294                 claws_do_idle();
 295
 296         op = gtk_print_operation_new();
 297
 298         /* Config for printing */
 299         gtk_print_operation_set_print_settings(op, printing_get_settings());
 300         gtk_print_operation_set_default_page_setup(op, printing_get_page_setup());
 301 #if GTK_CHECK_VERSION(2,18,0)
 302         /* enable Page Size and Orientation in the print dialog */
 303         gtk_print_operation_set_embed_page_setup(op, TRUE);
 304 #endif
 305
 306         /* Start printing process */
 307         res = webkit_web_frame_print_full(webkit_web_view_get_main_frame(viewer->view),
 308                                           op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
 309                                           &error);
 310
 311         if (res == GTK_PRINT_OPERATION_RESULT_ERROR) {
 312                 gtk_print_operation_get_error(op, &error);
 313                 debug_print("Error printing message: %s\n",
 314                             error ? error->message : "no details");
 315         } else if (res == GTK_PRINT_OPERATION_RESULT_APPLY) {
 316                 /* store settings for next printing session */
 317                 printing_store_settings(gtk_print_operation_get_print_settings(op));
 318         }
 319 }
 320
 321 static gchar *fancy_get_selection (MimeViewer *_viewer)
 322 {
 323         debug_print("fancy_get_selection\n");
 324         FancyViewer *viewer = (FancyViewer *) _viewer;
 325 #if WEBKIT_CHECK_VERSION(1,5,1)
 326         viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 327         viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 328         viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 329         if (viewer->selection == NULL)
 330                 return NULL;
 331         viewer->range = webkit_dom_dom_selection_get_range_at(viewer->selection, 0, NULL);
 332         if (viewer->range == NULL)
 333                 return NULL;
 334         gchar *sel = webkit_dom_range_get_text (viewer->range);
 335 #else
 336         gchar *sel = webkit_web_view_get_selected_text(viewer->view);
 337 #endif
 338         if (!viewer->view || strlen(sel) == 0) {
 339                 g_free(sel);
 340                 return NULL;
 341         }
 342         return sel;
 343 }
 344
 345 static void fancy_clear_viewer(MimeViewer *_viewer)
 346 {
 347         FancyViewer *viewer = (FancyViewer *) _viewer;
 348         GtkAdjustment *vadj;
 349         viewer->cur_link = NULL;
 350         fancy_set_defaults(viewer);
 351
 352         fancy_load_uri(viewer, "about:blank");
 353
 354         debug_print("fancy_clear_viewer\n");
 355         fancy_prefs.zoom_level = webkit_web_view_get_zoom_level(viewer->view) * 100;
 356         viewer->to_load = NULL;
 357         vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
 358         gtk_adjustment_set_value(vadj, 0.0);
 359         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
 360 }
 361
 362 static void fancy_destroy_viewer(MimeViewer *_viewer)
 363 {
 364         FancyViewer *viewer = (FancyViewer *) _viewer;
 365         fancy_prefs.zoom_level = webkit_web_view_get_zoom_level(viewer->view) * 100;
 366         debug_print("fancy_destroy_viewer\n");
 367         g_free(viewer->filename);
 368         g_free(viewer);
 369 }
 370
 371 static WebKitNavigationResponse
 372 navigation_requested_cb(WebKitWebView *view, WebKitWebFrame *frame,
 373                                                 WebKitNetworkRequest *netreq, FancyViewer *viewer)
 374 {
 375         const gchar *uri = webkit_network_request_get_uri(netreq);
 376
 377         debug_print("navigation requested to %s\n", uri);
 378
 379         if (!strncmp(uri, "mailto:", 7)) {
 380                 compose_new(NULL, uri + 7, NULL);
 381                 return WEBKIT_NAVIGATION_RESPONSE_IGNORE;
 382         } else if (!strncmp(uri, "file://", 7)) {
 383                 return WEBKIT_NAVIGATION_RESPONSE_ACCEPT;
 384         } else if (viewer->override_prefs_remote_content)
 385                 return WEBKIT_NAVIGATION_RESPONSE_ACCEPT;
 386         else {
 387                 fancy_show_notice(viewer, _("Remote content loading is disabled."));
 388                 return WEBKIT_NAVIGATION_RESPONSE_IGNORE;
 389         }
 390 }
 391
 392 static void resource_request_starting_cb(WebKitWebView          *view,
 393                                          WebKitWebFrame         *frame,
 394                                          WebKitWebResource      *resource,
 395                                          WebKitNetworkRequest   *request,
 396                                          WebKitNetworkResponse  *response,
 397                                          FancyViewer            *viewer)
 398 {
 399         const gchar *uri = webkit_network_request_get_uri(request);
 400         gchar *filename;
 401         gchar *image;
 402         gint err;
 403         MimeInfo *partinfo = viewer->to_load;
 404
 405         filename = viewer->filename;
 406         if ((!g_ascii_strncasecmp(uri, "cid:", 4)) || (!g_ascii_strncasecmp(uri, "mid:", 4))) {
 407                 image = g_strconcat("<", uri + 4, ">", NULL);
 408                 while ((partinfo = procmime_mimeinfo_next(partinfo)) != NULL) {
 409                         if (!g_ascii_strcasecmp(image, partinfo->id)) {
 410                                 filename = procmime_get_tmp_file_name(partinfo);
 411                                 if (!filename) {
 412                                         g_free(image);
 413                                         return;
 414                                 }
 415                                 if ((err = procmime_get_part(filename, partinfo)) < 0)
 416                                         alertpanel_error(_("Couldn't save the part of multipart message: %s"),
 417                                                                                 g_strerror(-err));
 418                                 gchar *file_uri = g_filename_to_uri(filename, NULL, NULL);
 419                                 webkit_network_request_set_uri(request, file_uri);
 420                                 g_free(file_uri);
 421                                 g_free(filename);
 422                                 break;
 423                         }
 424                 }
 425                 g_free(image);
 426         }
 427
 428         /* refresh URI that may have changed */
 429         uri = webkit_network_request_get_uri(request);
 430         if (!viewer->override_prefs_remote_content
 431             && strncmp(uri, "file://", 7) && strncmp(uri, "data:", 5)) {
 432                 debug_print("Preventing load of %s\n", uri);
 433                 webkit_network_request_set_uri(request, "about:blank");
 434         }
 435         else
 436                 debug_print("Starting request of %zu %s\n", strlen(uri), uri);
 437 }
 438
 439 static gboolean fancy_text_search(MimeViewer *_viewer, gboolean backward,
 440                                   const gchar *str, gboolean case_sens)
 441 {
 442         return webkit_web_view_search_text(((FancyViewer*)_viewer)->view, str,
 443                                            case_sens, !backward, TRUE);
 444 }
 445
 446 static gboolean fancy_prefs_cb(GtkWidget *widget, GdkEventButton *ev, FancyViewer *viewer)
 447 {
 448         if ((ev->button == 1) && (ev->type == GDK_BUTTON_PRESS)) {
 449                 gtk_menu_popup(GTK_MENU(viewer->fancy_prefs_menu), NULL, NULL, NULL, NULL,
 450                                 ev->button, ev->time);
 451                 return TRUE;
 452         }
 453         return FALSE;
 454 }
 455
 456 static void fancy_create_popup_prefs_menu(FancyViewer *viewer) {
 457         GtkWidget *enable_images;
 458         GtkWidget *enable_remote_content;
 459         GtkWidget *enable_scripts;
 460         GtkWidget *enable_plugins;
 461         GtkWidget *enable_java;
 462         GtkWidget *open_external;
 463
 464         enable_images = gtk_check_menu_item_new_with_label(_("Load images"));
 465
 466         enable_remote_content = gtk_check_menu_item_new_with_label(_("Enable remote content"));
 467
 468         enable_scripts = gtk_check_menu_item_new_with_label(_("Enable Javascript"));
 469
 470         enable_plugins = gtk_check_menu_item_new_with_label(_("Enable Plugins"));
 471
 472         enable_java = gtk_check_menu_item_new_with_label(_("Enable Java"));
 473
 474         open_external = gtk_check_menu_item_new_with_label(_("Open links with external browser"));
 475
 476         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_images);
 477         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_remote_content);
 478         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_scripts);
 479         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_plugins);
 480         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_java);
 481         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), open_external);
 482
 483         gtk_menu_attach_to_widget(GTK_MENU(viewer->fancy_prefs_menu), viewer->ev_fancy_prefs, NULL);
 484         gtk_widget_show_all(viewer->fancy_prefs_menu);
 485
 486         viewer->enable_images = enable_images;
 487         viewer->enable_scripts = enable_scripts;
 488         viewer->enable_plugins = enable_plugins;
 489         viewer->enable_java = enable_java;
 490         viewer->enable_remote_content = enable_remote_content;
 491         viewer->open_external = open_external;
 492
 493         /* Set sensitivity according to preferences and overrides */
 494
 495         g_signal_connect(G_OBJECT(enable_images), "toggled",
 496                          G_CALLBACK (fancy_auto_load_images_activated), viewer);
 497         g_signal_connect(G_OBJECT(enable_remote_content), "toggled",
 498                          G_CALLBACK (fancy_enable_remote_content_activated), viewer);
 499         g_signal_connect(G_OBJECT(enable_scripts), "toggled",
 500                          G_CALLBACK (fancy_enable_scripts_activated), viewer);
 501         g_signal_connect(G_OBJECT(enable_plugins), "toggled",
 502                          G_CALLBACK (fancy_enable_plugins_activated), viewer);
 503         g_signal_connect(G_OBJECT(enable_java), "toggled",
 504                          G_CALLBACK (fancy_enable_java_activated), viewer);
 505         g_signal_connect(G_OBJECT(open_external), "toggled",
 506                          G_CALLBACK (fancy_open_external_activated), viewer);
 507
 508         fancy_apply_prefs(viewer);
 509 }
 510
 511 static gboolean fancy_scroll_page(MimeViewer *_viewer, gboolean up)
 512 {
 513         FancyViewer *viewer = (FancyViewer *)_viewer;
 514         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
 515                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
 516
 517         if (viewer->view == NULL)
 518                 return FALSE;
 519
 520         return gtkutils_scroll_page(GTK_WIDGET(viewer->view), vadj, up);
 521 }
 522
 523 static void fancy_scroll_one_line(MimeViewer *_viewer, gboolean up)
 524 {
 525         FancyViewer *viewer = (FancyViewer *)_viewer;
 526         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
 527                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
 528
 529         if (viewer->view == NULL)
 530                 return;
 531
 532         gtkutils_scroll_one_line(GTK_WIDGET(viewer->view), vadj, up);
 533 }
 534
 535 static void load_start_cb(WebKitWebView *view, gint progress,
 536                           FancyViewer *viewer)
 537 {
 538         gtk_widget_show(viewer->progress);
 539         gtk_widget_show(viewer->ev_stop_loading);
 540 }
 541
 542 static void load_finished_cb(WebKitWebView *view, gint progress,
 543                              FancyViewer *viewer)
 544 {
 545         gtk_widget_hide(viewer->progress);
 546         gtk_widget_hide(viewer->ev_stop_loading);
 547         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(viewer->progress),
 548                                       (gdouble) 0.0);
 549         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(viewer->progress), "");
 550 }
 551
 552 static void over_link_cb(WebKitWebView *view, const gchar *wtf,
 553                          const gchar *link, FancyViewer *viewer, void *wtfa)
 554 {
 555         gtk_label_set_text(GTK_LABEL(viewer->l_link), link);
 556         g_free(viewer->cur_link);
 557         viewer->cur_link = NULL;
 558         if(link) {
 559                 viewer->cur_link = g_strdup(link);
 560         }
 561 }
 562
 563 static void load_progress_cb(WebKitWebView *view, gint progress,
 564                              FancyViewer *viewer)
 565 {
 566         gdouble pbar;
 567         gchar *label = g_strdup_printf("%d%% Loading...", progress);
 568         pbar = (gdouble) progress / 100;
 569         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(viewer->progress), pbar);
 570         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(viewer->progress),
 571                                   (const gchar*)label);
 572         g_free(label);
 573 }
 574 static void stop_loading_cb(GtkWidget *widget, GdkEvent *ev,
 575                                                         FancyViewer *viewer)
 576 {
 577         webkit_web_view_stop_loading (viewer->view);
 578         gtk_widget_hide(viewer->progress);
 579         gtk_widget_hide(viewer->ev_stop_loading);
 580 }
 581
 582 static void search_the_web_cb(GtkWidget *widget, FancyViewer *viewer)
 583 {
 584         debug_print("Clicked on Search on Web\n");
 585         if (webkit_web_view_has_selection(viewer->view)) {
 586                 gchar *search;
 587 #if WEBKIT_CHECK_VERSION(1,5,1)
 588                 viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 589                 viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 590                 viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 591                 viewer->range = webkit_dom_dom_selection_get_range_at(viewer->selection, 0, NULL);
 592                 gchar *tmp = webkit_dom_range_get_text (viewer->range);
 593 #else
 594                 gchar *tmp = webkit_web_view_get_selected_text(viewer->view);
 595 #endif
 596                 search = g_strconcat(GOOGLE_SEARCH, tmp, NULL);
 597 #if WEBKIT_CHECK_VERSION(1,1,1)
 598                 webkit_web_view_load_uri(viewer->view, search);
 599 #else
 600                 webkit_web_view_open(viewer->view, search);
 601 #endif
 602                 g_free(search);
 603                 g_free(tmp);
 604         }
 605 }
 606
 607 static void open_in_browser_cb(GtkWidget *widget, FancyViewer *viewer)
 608 {
 609         debug_print("open outer: %s\n", viewer->cur_link);
 610         if(viewer->cur_link)
 611                 open_uri(viewer->cur_link, prefs_common_get_uri_cmd());
 612 }
 613
 614 static size_t download_file_curl_write_cb(void *buffer, size_t size,
 615                                           size_t nmemb, void *data)
 616 {
 617         FancyViewer *viewer = (FancyViewer *)data;
 618         if (!viewer->stream) {
 619                 viewer->stream = fopen(viewer->curlfile, "wb");
 620                 if (!viewer->stream)
 621                         return -1;
 622         }
 623         return fwrite(buffer, size, nmemb, viewer->stream);
 624 }
 625 static void *download_file_curl (void *data)
 626 {
 627         CURL *curl;
 628         CURLcode res;
 629         FancyViewer *viewer = (FancyViewer *)data;
 630
 631         curl_global_init(CURL_GLOBAL_DEFAULT);
 632         curl = curl_easy_init();
 633
 634         if (curl) {
 635                 curl_easy_setopt(curl, CURLOPT_URL, viewer->cur_link);
 636                 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, download_file_curl_write_cb);
 637                 curl_easy_setopt(curl, CURLOPT_WRITEDATA, viewer);
 638                 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
 639                 res = curl_easy_perform(curl);
 640                 curl_easy_cleanup(curl);
 641
 642                 if (CURLE_OK != res)
 643                         alertpanel_error(_("An error occurred: %d\n"), res);
 644                 if (viewer->stream)
 645                         fclose(viewer->stream);
 646                 curl_global_cleanup();
 647         }
 648 #ifdef USE_PTHREAD
 649         pthread_exit(NULL);
 650 #else
 651         return NULL;
 652 #endif
 653 }
 654 static void download_file_cb(GtkWidget *widget, FancyViewer *viewer)
 655 {
 656 #ifdef USE_PTHREAD
 657         pthread_t curljob;
 658         gint result;
 659 #endif
 660         const gchar *link = (const gchar *)viewer->cur_link;
 661         gchar *filename = g_utf8_strchr(link, -1, g_utf8_get_char("/"));
 662         filename = g_strconcat(g_get_home_dir(), filename, NULL);
 663         gchar *fname = filesel_select_file_save(_("Save as"), filename);
 664
 665         if (viewer->curlfile) viewer->curlfile = NULL;
 666         if (viewer->stream) viewer->stream = NULL;
 667         viewer->curlfile = (const gchar *)g_strdup(fname);
 668         g_free(filename);
 669         g_free(fname);
 670
 671         if (!viewer->curlfile) return;
 672
 673 #ifdef USE_PTHREAD
 674         result = pthread_create(&curljob, NULL, download_file_curl, (void *)viewer);
 675         if (result)
 676                 alertpanel_error("ERROR; return code from pthread_create() is %d\n", result);
 677 #else
 678         download_file_curl((void *)viewer);
 679 #endif
 680 }
 681
 682 static void save_image_cb(GtkWidget *widget, FancyViewer *viewer)
 683 {
 684         debug_print("Not Yet Implemented\n");
 685 }
 686
 687 static void open_image_cb(GtkWidget *widget, FancyViewer *viewer)
 688 {
 689         debug_print("Not Yet Implemented\n");
 690 }
 691
 692 static void copy_image_cb(GtkWidget *widget, FancyViewer *viewer)
 693 {
 694         debug_print("Not Yet Implemented\n");
 695 }
 696 static void import_feed_cb(GtkWidget *widget, FancyViewer *viewer)
 697 {
 698         if (!folder_subscribe(viewer->cur_link))
 699                 alertpanel_error(_("%s is a malformed or not supported feed"), viewer->cur_link);
 700 }
 701 static void viewer_menu_handler(GtkWidget *menuitem, FancyViewer *viewer)
 702 {
 703         const gchar *g_name = gtk_widget_get_name(GTK_WIDGET(menuitem));
 704         if (!g_ascii_strcasecmp(g_name, "GtkImageMenuItem")) {
 705
 706                 GtkWidget *menul = gtk_bin_get_child(GTK_BIN(menuitem));
 707
 708         if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 709                                 "Search the Web")) {
 710                         gtk_label_set_text(GTK_LABEL(menul), _("Search the Web"));
 711                         viewer->cur_link = NULL;
 712                         GtkImageMenuItem *m_search = GTK_IMAGE_MENU_ITEM(menuitem);
 713                         g_signal_connect(G_OBJECT(m_search), "activate",
 714                                          G_CALLBACK(search_the_web_cb),
 715                                          (gpointer *) viewer);
 716                 }
 717
 718                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 719                                         "Open Link" )) {
 720
 721                         if (viewer->override_prefs_remote_content)
 722                                 gtk_label_set_text(GTK_LABEL(menul), _("Open in Viewer"));
 723                         else
 724                                 gtk_label_set_text(GTK_LABEL(menul), _("Open in Viewer (enable remote content)"));
 725
 726                         GtkImageMenuItem *m_new = GTK_IMAGE_MENU_ITEM(menuitem);
 727                         gtk_widget_set_sensitive(GTK_WIDGET(m_new), viewer->override_prefs_remote_content);
 728                 }
 729
 730                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 731                                                                 "Open Link in New Window" )) {
 732
 733                         gtk_label_set_text(GTK_LABEL(menul), _("Open in Browser"));
 734
 735                         GtkImageMenuItem *m_new = GTK_IMAGE_MENU_ITEM(menuitem);
 736                         g_signal_connect(G_OBJECT(m_new), "activate",
 737                                          G_CALLBACK(open_in_browser_cb),
 738                                          (gpointer *) viewer);
 739                 }
 740
 741                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 742                                         "Open Image in New Window" )) {
 743                         gtk_label_set_text(GTK_LABEL(menul), _("Open Image"));
 744                         GtkImageMenuItem *m_image = GTK_IMAGE_MENU_ITEM(menuitem);
 745                         g_signal_connect(G_OBJECT(m_image), "activate",
 746                                          G_CALLBACK(open_image_cb),
 747                                          (gpointer *) viewer);
 748                 }
 749
 750                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 751                                         "Copy Link Location" )) {
 752                         gtk_label_set_text(GTK_LABEL(menul), _("Copy Link"));
 753                 }
 754         if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 755                                 "Download Linked File" )) {
 756                         gtk_label_set_text(GTK_LABEL(menul), _("Download Link"));
 757
 758                         GtkImageMenuItem *m_dlink = GTK_IMAGE_MENU_ITEM(menuitem);
 759                         g_signal_connect(G_OBJECT(m_dlink), "activate",
 760                                          G_CALLBACK(download_file_cb),
 761                                          (gpointer *) viewer);
 762                 }
 763
 764                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 765                                         "Save Image As" )) {
 766
 767                         gtk_label_set_text(GTK_LABEL(menul), _("Save Image As"));
 768
 769                         GtkImageMenuItem *m_simage = GTK_IMAGE_MENU_ITEM(menuitem);
 770                         g_signal_connect(G_OBJECT(m_simage), "activate",
 771                                          G_CALLBACK(save_image_cb),
 772                                          (gpointer *) viewer);
 773                 }
 774
 775                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 776                                         "Copy Image" )) {
 777                         gtk_label_set_text(GTK_LABEL(menul), _("Copy Image"));
 778                         GtkImageMenuItem *m_cimage = GTK_IMAGE_MENU_ITEM(menuitem);
 779                         g_signal_connect(G_OBJECT(m_cimage), "activate",
 780                                          G_CALLBACK(copy_image_cb),
 781                                          (gpointer *) viewer);
 782                 }
 783
 784         }
 785 }
 786
 787 static gboolean populate_popup_cb (WebKitWebView *view, GtkWidget *menu,
 788                                    FancyViewer *viewer)
 789 {
 790         Plugin *plugin = plugin_get_loaded_by_name("RSSyl");
 791         gtk_container_foreach(GTK_CONTAINER(menu),
 792                               (GtkCallback)viewer_menu_handler,
 793                               viewer);
 794         if (plugin) {
 795                 GtkWidget *rssyl = gtk_image_menu_item_new_with_label(_("Import feed"));
 796                 GtkWidget *img = gtk_image_new_from_stock(GTK_STOCK_ADD, GTK_ICON_SIZE_MENU);
 797                 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(rssyl), img);
 798                 gtk_widget_show(GTK_WIDGET(rssyl));
 799                 gtk_menu_shell_append(GTK_MENU_SHELL(menu), rssyl);
 800                 g_signal_connect(G_OBJECT(rssyl), "activate",
 801                                  G_CALLBACK(import_feed_cb),
 802                                  (gpointer *) viewer);
 803         }
 804         return TRUE;
 805 }
 806
 807 static gint keypress_events_cb (GtkWidget *widget, GdkEventKey *event,
 808                                                                 FancyViewer *viewer)
 809 {
 810         if (event->state == CTRL_KEY) {
 811                 switch (event->keyval) {
 812                 case GDK_plus:
 813                         zoom_in_cb(viewer->ev_zoom_in, NULL, viewer);
 814                         break;
 815                 case GDK_period:
 816                         zoom_100_cb(viewer->ev_zoom_100, NULL, viewer);
 817                         break;
 818                 case GDK_minus:
 819                         zoom_out_cb(viewer->ev_zoom_out, NULL, viewer);
 820                         break;
 821                 }
 822         }
 823         return FALSE;
 824 }
 825
 826 static gboolean release_button_cb (WebKitWebView *view, GdkEvent *ev,
 827                                    FancyViewer *viewer)
 828 {
 829         if (ev->button.button == 1 && viewer->cur_link && viewer->override_prefs_external) {
 830                 open_uri(viewer->cur_link, prefs_common_get_uri_cmd());
 831                 return TRUE;
 832         }
 833         return FALSE;
 834 }
 835 static void zoom_100_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 836 {
 837         gtk_widget_grab_focus(widget);
 838         webkit_web_view_set_zoom_level(viewer->view, 1);
 839 }
 840
 841 static void zoom_in_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 842 {
 843         gtk_widget_grab_focus(widget);
 844         webkit_web_view_zoom_in(viewer->view);
 845 }
 846 static void zoom_out_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 847 {
 848         gtk_widget_grab_focus(widget);
 849         webkit_web_view_zoom_out(viewer->view);
 850 }
 851
 852 static MimeViewer *fancy_viewer_create(void)
 853 {
 854         FancyViewer    *viewer;
 855         GtkWidget      *hbox;
 856
 857         debug_print("fancy_viewer_create\n");
 858
 859         viewer = g_new0(FancyViewer, 1);
 860         viewer->mimeviewer.factory = &fancy_viewer_factory;
 861         viewer->mimeviewer.get_widget = fancy_get_widget;
 862         viewer->mimeviewer.get_selection = fancy_get_selection;
 863         viewer->mimeviewer.show_mimepart = fancy_show_mimepart;
 864         viewer->mimeviewer.print = fancy_print;
 865         viewer->mimeviewer.clear_viewer = fancy_clear_viewer;
 866         viewer->mimeviewer.destroy_viewer = fancy_destroy_viewer;
 867         viewer->mimeviewer.text_search = fancy_text_search;
 868         viewer->mimeviewer.scroll_page = fancy_scroll_page;
 869         viewer->mimeviewer.scroll_one_line = fancy_scroll_one_line;
 870         viewer->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 871
 872 #ifdef HAVE_LIBSOUP_GNOME
 873  /* Use GNOME proxy settings through libproxy */
 874         if (fancy_prefs.enable_gnome_proxy) {
 875                 SoupSession *session = webkit_get_default_session();
 876                 soup_session_add_feature_by_type (session, SOUP_TYPE_PROXY_RESOLVER_GNOME);
 877         }
 878 #endif
 879
 880         if (fancy_prefs.enable_proxy) {
 881                 SoupSession *session = webkit_get_default_session();
 882                 SoupURI* pURI = soup_uri_new(fancy_prefs.proxy_str);
 883                 g_object_set(session, "proxy-uri", pURI, NULL);
 884         }
 885
 886         viewer->settings = webkit_web_settings_new();
 887         g_object_set(viewer->settings, "user-agent", "Fancy Viewer", NULL);
 888         viewer->scrollwin = gtk_scrolled_window_new(NULL, NULL);
 889         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(viewer->scrollwin),
 890                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 891         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(viewer->scrollwin),
 892                                             GTK_SHADOW_IN);
 893         gtk_container_add(GTK_CONTAINER(viewer->scrollwin),
 894                           GTK_WIDGET(viewer->view));
 895
 896         viewer->vbox = gtk_vbox_new(FALSE, 0);
 897         hbox = gtk_hbox_new(FALSE, 0);
 898         viewer->progress = gtk_progress_bar_new();
 899         /* Zoom Widgets */
 900         viewer->zoom_100 = gtk_image_new_from_stock(GTK_STOCK_ZOOM_100, GTK_ICON_SIZE_MENU);
 901         viewer->zoom_in = gtk_image_new_from_stock(GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU);
 902         viewer->zoom_out = gtk_image_new_from_stock(GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU);
 903         viewer->stop_loading = gtk_image_new_from_stock(GTK_STOCK_CANCEL, GTK_ICON_SIZE_MENU);
 904         /* Event Widgets for the Zoom Widgets  */
 905         viewer->ev_zoom_100 = gtk_event_box_new();
 906         viewer->ev_zoom_in = gtk_event_box_new();
 907         viewer->ev_zoom_out = gtk_event_box_new();
 908         viewer->ev_stop_loading = gtk_event_box_new();
 909
 910         /* Link Label */
 911         viewer->l_link = gtk_label_new("");
 912
 913         /* Preferences Widgets to override preferences on the fly  */
 914         viewer->fancy_prefs = gtk_image_new_from_stock(GTK_STOCK_PREFERENCES, GTK_ICON_SIZE_MENU);
 915         viewer->ev_fancy_prefs = gtk_event_box_new();
 916
 917         /* Popup Menu for preferences  */
 918         viewer->fancy_prefs_menu = gtk_menu_new();
 919         fancy_create_popup_prefs_menu(viewer);
 920
 921         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_100), FALSE);
 922         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_in), FALSE);
 923         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_out), FALSE);
 924         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_fancy_prefs), FALSE);
 925         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_stop_loading), FALSE);
 926
 927         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_100), viewer->zoom_100);
 928         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_in), viewer->zoom_in);
 929         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_out), viewer->zoom_out);
 930         gtk_container_add(GTK_CONTAINER(viewer->ev_fancy_prefs), viewer->fancy_prefs);
 931         gtk_container_add(GTK_CONTAINER(viewer->ev_stop_loading), viewer->stop_loading);
 932
 933         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_100, FALSE, FALSE, 1);
 934         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_in, FALSE, FALSE, 2);
 935         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_out, FALSE, FALSE, 2);
 936         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_fancy_prefs, FALSE, FALSE, 2);
 937         gtk_box_pack_start(GTK_BOX(hbox), viewer->l_link, FALSE, FALSE, 8);
 938         gtk_box_pack_end(GTK_BOX(hbox), viewer->progress, FALSE, FALSE, 0);
 939         gtk_box_pack_end(GTK_BOX(hbox), viewer->ev_stop_loading, FALSE, FALSE, 0);
 940
 941         gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->scrollwin, TRUE, TRUE,
 942                        1);
 943         gtk_box_pack_start(GTK_BOX(viewer->vbox), hbox, FALSE, FALSE, 0);
 944
 945         gtk_widget_show(viewer->ev_zoom_100);
 946         gtk_widget_show(viewer->ev_zoom_in);
 947         gtk_widget_show(viewer->ev_zoom_out);
 948         gtk_widget_show(viewer->ev_fancy_prefs);
 949
 950         gtk_widget_show(viewer->scrollwin);
 951         gtk_widget_show(viewer->zoom_100);
 952         gtk_widget_show(viewer->zoom_in);
 953         gtk_widget_show(viewer->zoom_out);
 954         gtk_widget_show(viewer->fancy_prefs);
 955         gtk_widget_show(viewer->stop_loading);
 956
 957         gtk_widget_show(viewer->l_link);
 958         gtk_widget_show(viewer->vbox);
 959         gtk_widget_show(hbox);
 960         gtk_widget_show(GTK_WIDGET(viewer->view));
 961
 962         g_signal_connect(G_OBJECT(viewer->view), "load-started",
 963                          G_CALLBACK(load_start_cb), viewer);
 964         g_signal_connect(G_OBJECT(viewer->view), "load-finished",
 965                          G_CALLBACK(load_finished_cb), viewer);
 966         g_signal_connect(G_OBJECT(viewer->view), "hovering-over-link",
 967                          G_CALLBACK(over_link_cb), viewer);
 968         g_signal_connect(G_OBJECT(viewer->view), "load-progress-changed",
 969                          G_CALLBACK(load_progress_cb), viewer);
 970         g_signal_connect(G_OBJECT(viewer->view), "navigation-requested",
 971                          G_CALLBACK(navigation_requested_cb), viewer);
 972         g_signal_connect(G_OBJECT(viewer->view), "resource-request-starting",
 973                         G_CALLBACK(resource_request_starting_cb), viewer);
 974         g_signal_connect(G_OBJECT(viewer->view), "populate-popup",
 975                          G_CALLBACK(populate_popup_cb), viewer);
 976         g_signal_connect(G_OBJECT(viewer->view), "button-release-event",
 977                          G_CALLBACK(release_button_cb), viewer);
 978         g_signal_connect(G_OBJECT(viewer->ev_zoom_100), "button-press-event",
 979                          G_CALLBACK(zoom_100_cb), (gpointer*)viewer);
 980         g_signal_connect(G_OBJECT(viewer->ev_zoom_in), "button-press-event",
 981                          G_CALLBACK(zoom_in_cb), (gpointer *)viewer);
 982         g_signal_connect(G_OBJECT(viewer->ev_zoom_out), "button-press-event",
 983                          G_CALLBACK(zoom_out_cb), (gpointer *)viewer);
 984         g_signal_connect(G_OBJECT(viewer->ev_fancy_prefs), "button-press-event",
 985                          G_CALLBACK(fancy_prefs_cb), (gpointer *)viewer);
 986         g_signal_connect(G_OBJECT(viewer->ev_stop_loading), "button-press-event",
 987                          G_CALLBACK(stop_loading_cb), viewer);
 988         g_signal_connect(G_OBJECT(viewer->view), "key_press_event",
 989                          G_CALLBACK(keypress_events_cb), viewer);
 990
 991         viewer->filename = NULL;
 992         return (MimeViewer *) viewer;
 993 }
 994
 995 static gchar *content_types[] = {"text/html", NULL};
 996
 997 static MimeViewerFactory fancy_viewer_factory =
 998 {
 999         content_types,
1000         0,
1001         fancy_viewer_create,
1002 };
1003
1004 gint plugin_init(gchar **error)
1005 {
1006         if (!check_plugin_version(MAKE_NUMERIC_VERSION(2,9,2,72),
1007                                   VERSION_NUMERIC, _("Fancy"), error))
1008                 return -1;
1009         gchar *directory = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1010                                 "fancy", NULL);
1011         if (!is_dir_exist(directory))
1012                 if (make_dir (directory) < 0) {
1013                         g_free(directory);
1014                         return -1;
1015                 }
1016         g_free(directory);
1017
1018         fancy_prefs_init();
1019
1020         mimeview_register_viewer_factory(&fancy_viewer_factory);
1021
1022         return 0;
1023 }
1024
1025 gboolean plugin_done(void)
1026 {
1027         mimeview_unregister_viewer_factory(&fancy_viewer_factory);
1028         fancy_prefs_done();
1029         return FALSE;
1030 }
1031
1032 const gchar *plugin_name(void)
1033 {
1034         /* i18n: 'Fancy' here is name of the plugin, not the english word. */
1035         return _("Fancy HTML Viewer");
1036 }
1037
1038 const gchar *plugin_desc(void)
1039 {
1040         return g_strdup_printf(_("This plugin renders HTML mail using the WebKit "
1041                                "%d.%d.%d library.\nBy default all remote content is "
1042                                "blocked. Options "
1043                                "can be found in /Configuration/Preferences/Plugins/Fancy"),
1044                                WEBKIT_MAJOR_VERSION, WEBKIT_MINOR_VERSION,
1045                                WEBKIT_MICRO_VERSION);
1046 }
1047
1048 const gchar *plugin_type(void)
1049 {
1050         return "GTK2";
1051 }
1052
1053 const gchar *plugin_licence(void)
1054 {
1055         return "GPL3";
1056 }
1057
1058 const gchar *plugin_version(void)
1059 {
1060         return VERSION;
1061 }
1062
1063 struct PluginFeature *plugin_provides(void)
1064 {
1065         static struct PluginFeature features[] = {
1066                                         {PLUGIN_MIMEVIEWER, "text/html"},
1067                                 {PLUGIN_NOTHING, NULL}
1068         };
1069         return features;
1070 }