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 #include <webkit/webkithittestresult.h>
  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
  46 static void
  47 load_progress_cb(WebKitWebView *view, GParamSpec* pspec, FancyViewer *viewer);
  48
  49 static MimeViewerFactory fancy_viewer_factory;
  50
  51 static gboolean
  52 fancy_text_search(MimeViewer *_viewer, gboolean backward, const gchar *str,
  53                   gboolean case_sens);
  54
  55 static void
  56 viewer_menu_handler(GtkWidget *menuitem, FancyViewer *viewer);
  57
  58 static gint keypress_events_cb (GtkWidget *widget, GdkEventKey *event,
  59                                                                 FancyViewer *viewer);
  60 static void zoom_in_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer);
  61 static void zoom_out_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer);
  62 static gboolean fancy_prefs_cb(GtkWidget *widget, GdkEventButton *ev, FancyViewer *viewer);
  63 static void zoom_100_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer);
  64 static void open_in_browser_cb(GtkWidget *widget, FancyViewer *viewer);
  65 static void fancy_create_popup_prefs_menu(FancyViewer *viewer);
  66 static void fancy_show_notice(FancyViewer *viewer, const gchar *message);
  67 static size_t download_file_curl_write_cb(void *buffer, size_t size,
  68                                           size_t nmemb, void *data);
  69 static void *download_file_curl (void *data);
  70 static void download_file_cb(GtkWidget *widget, FancyViewer *viewer);
  71 static gboolean fancy_set_contents(FancyViewer *viewer, gboolean use_defaults);
  72
  73 #if !WEBKIT_CHECK_VERSION (1,5,1)
  74 gchar* webkit_web_view_get_selected_text(WebKitWebView* web_view);
  75 #endif
  76
  77 /*------*/
  78 static GtkWidget *fancy_get_widget(MimeViewer *_viewer)
  79 {
  80         FancyViewer *viewer = (FancyViewer *) _viewer;
  81         debug_print("fancy_get_widget: %p\n", viewer->vbox);
  82
  83         return GTK_WIDGET(viewer->vbox);
  84 }
  85
  86 static void fancy_apply_prefs(FancyViewer *viewer)
  87 {
  88         g_object_set(viewer->settings,
  89                 "auto-load-images", viewer->override_prefs_images,
  90                 "enable-scripts", viewer->override_prefs_scripts,
  91                 "enable-plugins", viewer->override_prefs_plugins,
  92                 "enable-java-applet", viewer->override_prefs_java,
  93                 "enable-dns-prefetching", viewer->override_prefs_remote_content,
  94                 "user-stylesheet-uri", viewer->override_stylesheet,
  95 #ifdef G_OS_WIN32
  96                 "default-font-family", "Arial",
  97                 "cursive-font-family", "Comic Sans MS",
  98                 "fantasy-font-family", "Comic Sans MS",
  99                 "monospace-font-family", "Courier New",
 100                 "sans-serif-font-family", "Arial",
 101                 "serif-font-family", "Times New Roman",
 102 #endif
 103                 NULL);
 104         webkit_web_view_set_settings(viewer->view, viewer->settings);
 105 }
 106
 107 static void fancy_auto_load_images_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 108         viewer->override_prefs_images = gtk_check_menu_item_get_active(item);
 109         fancy_apply_prefs(viewer);
 110         fancy_set_contents(viewer, FALSE);
 111 }
 112
 113 static void fancy_enable_remote_content_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 114         viewer->override_prefs_remote_content = gtk_check_menu_item_get_active(item);
 115         fancy_apply_prefs(viewer);
 116         fancy_set_contents(viewer, FALSE);
 117 }
 118
 119 static void fancy_enable_scripts_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 120         viewer->override_prefs_scripts = gtk_check_menu_item_get_active(item);
 121         fancy_apply_prefs(viewer);
 122         fancy_set_contents(viewer, FALSE);
 123 }
 124
 125 static void fancy_enable_plugins_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 126         viewer->override_prefs_plugins = gtk_check_menu_item_get_active(item);
 127         fancy_apply_prefs(viewer);
 128         fancy_set_contents(viewer, FALSE);
 129 }
 130
 131 static void fancy_enable_java_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 132         viewer->override_prefs_java = gtk_check_menu_item_get_active(item);
 133         fancy_apply_prefs(viewer);
 134         fancy_set_contents(viewer, FALSE);
 135 }
 136
 137 static void fancy_open_external_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 138         viewer->override_prefs_external = gtk_check_menu_item_get_active(item);
 139         fancy_apply_prefs(viewer);
 140 }
 141
 142 static void fancy_set_defaults(FancyViewer *viewer)
 143 {
 144         viewer->override_prefs_remote_content = fancy_prefs.enable_remote_content;
 145         viewer->override_prefs_external = fancy_prefs.open_external;
 146         viewer->override_prefs_images = fancy_prefs.enable_images;
 147         viewer->override_prefs_scripts = fancy_prefs.enable_scripts;
 148         viewer->override_prefs_plugins = fancy_prefs.enable_plugins;
 149         viewer->override_prefs_java = fancy_prefs.enable_java;
 150         viewer->override_stylesheet = g_strconcat("file://", fancy_prefs.stylesheet, NULL);
 151
 152         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_images),
 153                 fancy_auto_load_images_activated, viewer);
 154         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_remote_content),
 155                 fancy_enable_remote_content_activated, viewer);
 156         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_scripts),
 157                 fancy_enable_scripts_activated, viewer);
 158         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_plugins),
 159                 fancy_enable_plugins_activated, viewer);
 160         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_java),
 161                 fancy_enable_java_activated, viewer);
 162         g_signal_handlers_block_by_func(G_OBJECT(viewer->open_external),
 163                 fancy_open_external_activated, viewer);
 164
 165         gtk_check_menu_item_set_active(
 166                 GTK_CHECK_MENU_ITEM(viewer->enable_images),
 167                 viewer->override_prefs_images);
 168         gtk_check_menu_item_set_active(
 169                 GTK_CHECK_MENU_ITEM(viewer->enable_scripts),
 170                 viewer->override_prefs_scripts);
 171         gtk_check_menu_item_set_active(
 172                 GTK_CHECK_MENU_ITEM(viewer->enable_plugins),
 173                 viewer->override_prefs_plugins);
 174         gtk_check_menu_item_set_active(
 175                 GTK_CHECK_MENU_ITEM(viewer->enable_java),
 176                 viewer->override_prefs_java);
 177         gtk_check_menu_item_set_active(
 178                 GTK_CHECK_MENU_ITEM(viewer->enable_remote_content),
 179                 viewer->override_prefs_remote_content);
 180         gtk_check_menu_item_set_active(
 181                 GTK_CHECK_MENU_ITEM(viewer->open_external),
 182                 viewer->override_prefs_external);
 183
 184         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_images),
 185                 fancy_auto_load_images_activated, viewer);
 186         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_remote_content),
 187                 fancy_enable_remote_content_activated, viewer);
 188         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_scripts),
 189                 fancy_enable_scripts_activated, viewer);
 190         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_plugins),
 191                 fancy_enable_plugins_activated, viewer);
 192         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_java),
 193                 fancy_enable_java_activated, viewer);
 194         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->open_external),
 195                 fancy_open_external_activated, viewer);
 196
 197         fancy_apply_prefs(viewer);
 198 }
 199
 200 static gboolean fancy_set_contents(FancyViewer *viewer, gboolean use_defaults)
 201 {
 202         MessageView *messageview = ((MimeViewer *)viewer)->mimeview
 203                                         ? ((MimeViewer *)viewer)->mimeview->messageview
 204                                         : NULL;
 205         MimeInfo *partinfo = viewer->to_load;
 206
 207         if (messageview) {
 208                 messageview->updating = TRUE;
 209                 NoticeView *noticeview = messageview->noticeview;
 210                 noticeview_hide(noticeview);
 211         }
 212
 213         if (viewer->filename != NULL) {
 214                 g_unlink(viewer->filename);
 215                 g_free(viewer->filename);
 216                 viewer->filename = NULL;
 217         }
 218
 219         if (partinfo)
 220                 viewer->filename = procmime_get_tmp_file_name(partinfo);
 221         debug_print("filename: %s\n", viewer->filename);
 222         if (!viewer->filename) {
 223                 return FALSE;
 224         }
 225         if (procmime_get_part(viewer->filename, partinfo) < 0) {
 226                 g_free(viewer->filename);
 227                 viewer->filename = NULL;
 228         }
 229         else {
 230                 const gchar *charset = NULL;
 231                 gchar *contents = NULL;
 232                 if (messageview && messageview->forced_charset)
 233                         charset = ((MimeViewer *)viewer)->mimeview->messageview->forced_charset;
 234                 else
 235                         charset = procmime_mimeinfo_get_parameter(partinfo, "charset");
 236                 if (!charset)
 237                         charset = conv_get_locale_charset_str();
 238                 debug_print("using %s charset\n", charset);
 239                 g_object_set(viewer->settings, "default-encoding", charset, NULL);
 240
 241                 if (use_defaults) {
 242                         debug_print("zoom_level: %i\n", fancy_prefs.zoom_level);
 243                         webkit_web_view_set_zoom_level(viewer->view, (fancy_prefs.zoom_level / 100.0));
 244
 245                         fancy_set_defaults(viewer);
 246                 }
 247
 248                 contents = file_read_to_str_no_recode(viewer->filename);
 249                 webkit_web_view_load_string(viewer->view,
 250                                             contents,
 251                                             "text/html",
 252                                             charset,
 253                                             NULL);
 254                 g_free(contents);
 255         }
 256         viewer->loading = FALSE;
 257         return FALSE;
 258 }
 259
 260 static gboolean fancy_show_mimepart_real(MimeViewer *_viewer)
 261 {
 262         return fancy_set_contents((FancyViewer *)_viewer, TRUE);
 263 }
 264
 265 static void fancy_show_notice(FancyViewer *viewer, const gchar *message)
 266 {
 267         gtk_label_set_text(GTK_LABEL(viewer->l_link), message);
 268 }
 269
 270 static gint fancy_show_mimepart_prepare(MimeViewer *_viewer)
 271 {
 272         FancyViewer *viewer = (FancyViewer *) _viewer;
 273
 274         g_timeout_add(5, (GSourceFunc)fancy_show_mimepart_real, viewer);
 275         return FALSE;
 276 }
 277
 278 static void fancy_show_mimepart(MimeViewer *_viewer, const gchar *infile,
 279                                                                 MimeInfo *partinfo)
 280 {
 281         FancyViewer *viewer = (FancyViewer *) _viewer;
 282         viewer->to_load = partinfo;
 283         viewer->loading = TRUE;
 284         g_timeout_add(5, (GtkFunction)fancy_show_mimepart_prepare, viewer);
 285 }
 286
 287 static void fancy_print(MimeViewer *_viewer)
 288 {
 289         FancyViewer *viewer = (FancyViewer *) _viewer;
 290         GtkPrintOperationResult res;
 291         GError *error = NULL;
 292         GtkPrintOperation *op;
 293
 294         gtk_widget_realize(GTK_WIDGET(viewer->view));
 295
 296         while (viewer->loading)
 297                 claws_do_idle();
 298
 299         op = gtk_print_operation_new();
 300
 301         /* Config for printing */
 302         gtk_print_operation_set_print_settings(op, printing_get_settings());
 303         gtk_print_operation_set_default_page_setup(op, printing_get_page_setup());
 304 #if GTK_CHECK_VERSION(2,18,0)
 305         /* enable Page Size and Orientation in the print dialog */
 306         gtk_print_operation_set_embed_page_setup(op, TRUE);
 307 #endif
 308
 309         /* Start printing process */
 310         res = webkit_web_frame_print_full(webkit_web_view_get_main_frame(viewer->view),
 311                                           op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
 312                                           &error);
 313
 314         if (res == GTK_PRINT_OPERATION_RESULT_ERROR) {
 315                 gtk_print_operation_get_error(op, &error);
 316                 debug_print("Error printing message: %s\n",
 317                             error ? error->message : "no details");
 318         } else if (res == GTK_PRINT_OPERATION_RESULT_APPLY) {
 319                 /* store settings for next printing session */
 320                 printing_store_settings(gtk_print_operation_get_print_settings(op));
 321         }
 322 }
 323
 324 static gchar *fancy_get_selection (MimeViewer *_viewer)
 325 {
 326         debug_print("fancy_get_selection\n");
 327         FancyViewer *viewer = (FancyViewer *) _viewer;
 328 #if WEBKIT_CHECK_VERSION(1,5,1)
 329         viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 330         viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 331         viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 332         if (viewer->selection == NULL)
 333                 return NULL;
 334         viewer->range = webkit_dom_dom_selection_get_range_at(viewer->selection, 0, NULL);
 335         if (viewer->range == NULL)
 336                 return NULL;
 337         gchar *sel = webkit_dom_range_get_text (viewer->range);
 338 #else
 339         gchar *sel = webkit_web_view_get_selected_text(viewer->view);
 340 #endif
 341         if (!viewer->view || strlen(sel) == 0) {
 342                 g_free(sel);
 343                 return NULL;
 344         }
 345         return sel;
 346 }
 347
 348 static void fancy_clear_viewer(MimeViewer *_viewer)
 349 {
 350         FancyViewer *viewer = (FancyViewer *) _viewer;
 351         GtkAdjustment *vadj;
 352         viewer->cur_link = NULL;
 353         fancy_set_defaults(viewer);
 354
 355         webkit_web_view_load_uri(viewer->view, "about:blank");
 356
 357         debug_print("fancy_clear_viewer\n");
 358         fancy_prefs.zoom_level = webkit_web_view_get_zoom_level(viewer->view) * 100;
 359         viewer->to_load = NULL;
 360         vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
 361         gtk_adjustment_set_value(vadj, 0.0);
 362         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
 363 }
 364
 365 static void fancy_destroy_viewer(MimeViewer *_viewer)
 366 {
 367         FancyViewer *viewer = (FancyViewer *) _viewer;
 368         fancy_prefs.zoom_level = webkit_web_view_get_zoom_level(viewer->view) * 100;
 369         debug_print("fancy_destroy_viewer\n");
 370         g_free(viewer->filename);
 371         g_free(viewer);
 372 }
 373
 374 static gboolean
 375 navigation_policy_cb (WebKitWebView             *web_view,
 376                       WebKitWebFrame            *frame,
 377                       WebKitNetworkRequest      *request,
 378                       WebKitWebNavigationAction *navigation_action,
 379                       WebKitWebPolicyDecision   *policy_decision,
 380                       FancyViewer               *viewer)
 381 {
 382         const gchar *uri = webkit_network_request_get_uri(request);
 383
 384         debug_print("navigation requested to %s\n", uri);
 385
 386         if (!strncmp(uri, "mailto:", 7)) {
 387                 debug_print("Opening message window\n");
 388                 compose_new(NULL, uri + 7, NULL);
 389                 webkit_web_policy_decision_ignore(policy_decision);
 390         } else if (!strncmp(uri, "file://", 7) || !strcmp(uri, "about:blank")) {
 391                 debug_print("local navigation request ACCEPTED\n");
 392                 webkit_web_policy_decision_use(policy_decision);
 393         } else if (viewer->override_prefs_remote_content) {
 394                 debug_print("remote navigation request ACCEPTED\n");
 395                 webkit_web_policy_decision_use(policy_decision);
 396         } else {
 397                 debug_print("remote navigation request IGNORED\n");
 398                 fancy_show_notice(viewer, _("Remote content loading is disabled."));
 399                 webkit_web_policy_decision_ignore(policy_decision);
 400         }
 401
 402         return true;
 403 }
 404
 405 static void resource_request_starting_cb(WebKitWebView          *view,
 406                                          WebKitWebFrame         *frame,
 407                                          WebKitWebResource      *resource,
 408                                          WebKitNetworkRequest   *request,
 409                                          WebKitNetworkResponse  *response,
 410                                          FancyViewer            *viewer)
 411 {
 412         const gchar *uri = webkit_network_request_get_uri(request);
 413         gchar *filename;
 414         gchar *image;
 415         gint err;
 416         MimeInfo *partinfo = viewer->to_load;
 417
 418         filename = viewer->filename;
 419         if ((!g_ascii_strncasecmp(uri, "cid:", 4)) || (!g_ascii_strncasecmp(uri, "mid:", 4))) {
 420                 image = g_strconcat("<", uri + 4, ">", NULL);
 421                 while ((partinfo = procmime_mimeinfo_next(partinfo)) != NULL) {
 422                         if (!g_ascii_strcasecmp(image, partinfo->id)) {
 423                                 filename = procmime_get_tmp_file_name(partinfo);
 424                                 if (!filename) {
 425                                         g_free(image);
 426                                         return;
 427                                 }
 428                                 if ((err = procmime_get_part(filename, partinfo)) < 0)
 429                                         alertpanel_error(_("Couldn't save the part of multipart message: %s"),
 430                                                                                 g_strerror(-err));
 431                                 gchar *file_uri = g_filename_to_uri(filename, NULL, NULL);
 432                                 webkit_network_request_set_uri(request, file_uri);
 433                                 g_free(file_uri);
 434                                 g_free(filename);
 435                                 break;
 436                         }
 437                 }
 438                 g_free(image);
 439         }
 440
 441         /* refresh URI that may have changed */
 442         uri = webkit_network_request_get_uri(request);
 443         if (!viewer->override_prefs_remote_content
 444             && strncmp(uri, "file://", 7) && strncmp(uri, "data:", 5)) {
 445                 debug_print("Preventing load of %s\n", uri);
 446                 webkit_network_request_set_uri(request, "about:blank");
 447         }
 448         else
 449                 debug_print("Starting request of %zu %s\n", strlen(uri), uri);
 450 }
 451
 452 static gboolean fancy_text_search(MimeViewer *_viewer, gboolean backward,
 453                                   const gchar *str, gboolean case_sens)
 454 {
 455         return webkit_web_view_search_text(((FancyViewer*)_viewer)->view, str,
 456                                            case_sens, !backward, TRUE);
 457 }
 458
 459 static gboolean fancy_prefs_cb(GtkWidget *widget, GdkEventButton *ev, FancyViewer *viewer)
 460 {
 461         if ((ev->button == 1) && (ev->type == GDK_BUTTON_PRESS)) {
 462                 gtk_menu_popup(GTK_MENU(viewer->fancy_prefs_menu), NULL, NULL, NULL, NULL,
 463                                 ev->button, ev->time);
 464                 return TRUE;
 465         }
 466         return FALSE;
 467 }
 468
 469 static void fancy_create_popup_prefs_menu(FancyViewer *viewer) {
 470         GtkWidget *enable_images;
 471         GtkWidget *enable_remote_content;
 472         GtkWidget *enable_scripts;
 473         GtkWidget *enable_plugins;
 474         GtkWidget *enable_java;
 475         GtkWidget *open_external;
 476
 477         enable_images = gtk_check_menu_item_new_with_label(_("Load images"));
 478
 479         enable_remote_content = gtk_check_menu_item_new_with_label(_("Enable remote content"));
 480
 481         enable_scripts = gtk_check_menu_item_new_with_label(_("Enable Javascript"));
 482
 483         enable_plugins = gtk_check_menu_item_new_with_label(_("Enable Plugins"));
 484
 485         enable_java = gtk_check_menu_item_new_with_label(_("Enable Java"));
 486
 487         open_external = gtk_check_menu_item_new_with_label(_("Open links with external browser"));
 488
 489         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_images);
 490         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_remote_content);
 491         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_scripts);
 492         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_plugins);
 493         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_java);
 494         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), open_external);
 495
 496         gtk_menu_attach_to_widget(GTK_MENU(viewer->fancy_prefs_menu), viewer->ev_fancy_prefs, NULL);
 497         gtk_widget_show_all(viewer->fancy_prefs_menu);
 498
 499         viewer->enable_images = enable_images;
 500         viewer->enable_scripts = enable_scripts;
 501         viewer->enable_plugins = enable_plugins;
 502         viewer->enable_java = enable_java;
 503         viewer->enable_remote_content = enable_remote_content;
 504         viewer->open_external = open_external;
 505
 506         /* Set sensitivity according to preferences and overrides */
 507
 508         g_signal_connect(G_OBJECT(enable_images), "toggled",
 509                          G_CALLBACK (fancy_auto_load_images_activated), viewer);
 510         g_signal_connect(G_OBJECT(enable_remote_content), "toggled",
 511                          G_CALLBACK (fancy_enable_remote_content_activated), viewer);
 512         g_signal_connect(G_OBJECT(enable_scripts), "toggled",
 513                          G_CALLBACK (fancy_enable_scripts_activated), viewer);
 514         g_signal_connect(G_OBJECT(enable_plugins), "toggled",
 515                          G_CALLBACK (fancy_enable_plugins_activated), viewer);
 516         g_signal_connect(G_OBJECT(enable_java), "toggled",
 517                          G_CALLBACK (fancy_enable_java_activated), viewer);
 518         g_signal_connect(G_OBJECT(open_external), "toggled",
 519                          G_CALLBACK (fancy_open_external_activated), viewer);
 520
 521         fancy_apply_prefs(viewer);
 522 }
 523
 524 static gboolean fancy_scroll_page(MimeViewer *_viewer, gboolean up)
 525 {
 526         FancyViewer *viewer = (FancyViewer *)_viewer;
 527         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
 528                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
 529
 530         if (viewer->view == NULL)
 531                 return FALSE;
 532
 533         return gtkutils_scroll_page(GTK_WIDGET(viewer->view), vadj, up);
 534 }
 535
 536 static void fancy_scroll_one_line(MimeViewer *_viewer, gboolean up)
 537 {
 538         FancyViewer *viewer = (FancyViewer *)_viewer;
 539         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
 540                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
 541
 542         if (viewer->view == NULL)
 543                 return;
 544
 545         gtkutils_scroll_one_line(GTK_WIDGET(viewer->view), vadj, up);
 546 }
 547
 548 static void load_start_cb(WebKitWebView *view, gint progress,
 549                           FancyViewer *viewer)
 550 {
 551         gtk_widget_show(viewer->progress);
 552         gtk_widget_show(viewer->ev_stop_loading);
 553 }
 554
 555 static void load_finished_cb(WebKitWebView *view, gint progress,
 556                              FancyViewer *viewer)
 557 {
 558         gtk_widget_hide(viewer->progress);
 559         gtk_widget_hide(viewer->ev_stop_loading);
 560         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(viewer->progress),
 561                                       (gdouble) 0.0);
 562         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(viewer->progress), "");
 563 }
 564
 565 static void over_link_cb(WebKitWebView *view, const gchar *wtf,
 566                          const gchar *link, FancyViewer *viewer, void *wtfa)
 567 {
 568         gtk_label_set_text(GTK_LABEL(viewer->l_link), link);
 569         g_free(viewer->cur_link);
 570         viewer->cur_link = NULL;
 571         if(link) {
 572                 viewer->cur_link = g_strdup(link);
 573         }
 574 }
 575
 576 static void load_progress_cb(WebKitWebView *view, GParamSpec* pspec,
 577                              FancyViewer *viewer)
 578 {
 579         WebKitLoadStatus status = webkit_web_view_get_load_status(viewer->view);
 580         gdouble pbar = webkit_web_view_get_progress(viewer->view);
 581         const gchar *uri = webkit_web_view_get_uri(viewer->view);
 582
 583         gchar *label = g_strdup_printf("%d%% Loading...", (gint)(pbar * 100));
 584         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(viewer->progress), pbar);
 585         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(viewer->progress),
 586                                   (const gchar*)label);
 587         g_free(label);
 588
 589         switch (status) {
 590                 case WEBKIT_LOAD_PROVISIONAL:
 591                 case WEBKIT_LOAD_COMMITTED:
 592                 case WEBKIT_LOAD_FIRST_VISUALLY_NON_EMPTY_LAYOUT:
 593                         break;
 594                 case WEBKIT_LOAD_FAILED:
 595                         debug_print("Load failed: %s\n", uri);
 596                         break;
 597                 case WEBKIT_LOAD_FINISHED:
 598                         debug_print("Load finished: %s\n", uri);
 599                         break;
 600         }
 601 }
 602
 603 static void stop_loading_cb(GtkWidget *widget, GdkEvent *ev,
 604                                                         FancyViewer *viewer)
 605 {
 606         webkit_web_view_stop_loading (viewer->view);
 607         gtk_widget_hide(viewer->progress);
 608         gtk_widget_hide(viewer->ev_stop_loading);
 609 }
 610
 611 static void search_the_web_cb(GtkWidget *widget, FancyViewer *viewer)
 612 {
 613         debug_print("Clicked on Search on Web\n");
 614         if (webkit_web_view_has_selection(viewer->view)) {
 615                 gchar *search;
 616 #if WEBKIT_CHECK_VERSION(1,5,1)
 617                 viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 618                 viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 619                 viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 620                 viewer->range = webkit_dom_dom_selection_get_range_at(viewer->selection, 0, NULL);
 621                 gchar *tmp = webkit_dom_range_get_text (viewer->range);
 622 #else
 623                 gchar *tmp = webkit_web_view_get_selected_text(viewer->view);
 624 #endif
 625                 search = g_strconcat(GOOGLE_SEARCH, tmp, NULL);
 626
 627                 webkit_web_view_load_uri(viewer->view, search);
 628                 g_free(search);
 629                 g_free(tmp);
 630         }
 631 }
 632
 633 static void open_in_browser_cb(GtkWidget *widget, FancyViewer *viewer)
 634 {
 635         debug_print("open outer: %s\n", viewer->cur_link);
 636         if(viewer->cur_link)
 637                 open_uri(viewer->cur_link, prefs_common_get_uri_cmd());
 638 }
 639
 640 static size_t download_file_curl_write_cb(void *buffer, size_t size,
 641                                           size_t nmemb, void *data)
 642 {
 643         FancyViewer *viewer = (FancyViewer *)data;
 644         if (!viewer->stream) {
 645                 viewer->stream = fopen(viewer->curlfile, "wb");
 646                 if (!viewer->stream)
 647                         return -1;
 648         }
 649         return fwrite(buffer, size, nmemb, viewer->stream);
 650 }
 651 static void *download_file_curl (void *data)
 652 {
 653         CURL *curl;
 654         CURLcode res;
 655         FancyViewer *viewer = (FancyViewer *)data;
 656
 657         curl_global_init(CURL_GLOBAL_DEFAULT);
 658         curl = curl_easy_init();
 659
 660         if (curl) {
 661                 curl_easy_setopt(curl, CURLOPT_URL, viewer->cur_link);
 662                 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, download_file_curl_write_cb);
 663                 curl_easy_setopt(curl, CURLOPT_WRITEDATA, viewer);
 664                 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
 665                 res = curl_easy_perform(curl);
 666                 curl_easy_cleanup(curl);
 667
 668                 if (CURLE_OK != res)
 669                         alertpanel_error(_("An error occurred: %d\n"), res);
 670                 if (viewer->stream)
 671                         fclose(viewer->stream);
 672                 curl_global_cleanup();
 673         }
 674 #ifdef USE_PTHREAD
 675         pthread_exit(NULL);
 676 #else
 677         return NULL;
 678 #endif
 679 }
 680 static void download_file_cb(GtkWidget *widget, FancyViewer *viewer)
 681 {
 682 #ifdef USE_PTHREAD
 683         pthread_t curljob;
 684         gint result;
 685 #endif
 686         const gchar *link = (const gchar *)viewer->cur_link;
 687         gchar *filename = g_utf8_strchr(link, -1, g_utf8_get_char("/"));
 688         filename = g_strconcat(g_get_home_dir(), filename, NULL);
 689         gchar *fname = filesel_select_file_save(_("Save as"), filename);
 690
 691         if (viewer->curlfile) viewer->curlfile = NULL;
 692         if (viewer->stream) viewer->stream = NULL;
 693         viewer->curlfile = (const gchar *)g_strdup(fname);
 694         g_free(filename);
 695         g_free(fname);
 696
 697         if (!viewer->curlfile) return;
 698
 699 #ifdef USE_PTHREAD
 700         result = pthread_create(&curljob, NULL, download_file_curl, (void *)viewer);
 701         if (result)
 702                 alertpanel_error("ERROR; return code from pthread_create() is %d\n", result);
 703 #else
 704         download_file_curl((void *)viewer);
 705 #endif
 706 }
 707
 708 static void save_image_cb(GtkWidget *widget, FancyViewer *viewer)
 709 {
 710         debug_print("Not Yet Implemented\n");
 711 }
 712
 713 static void open_image_cb(GtkWidget *widget, FancyViewer *viewer)
 714 {
 715         debug_print("Not Yet Implemented\n");
 716 }
 717
 718 static void copy_image_cb(GtkWidget *widget, FancyViewer *viewer)
 719 {
 720         debug_print("Not Yet Implemented\n");
 721 }
 722 static void import_feed_cb(GtkWidget *widget, FancyViewer *viewer)
 723 {
 724         if (!folder_subscribe(viewer->cur_link))
 725                 alertpanel_error(_("%s is a malformed or not supported feed"), viewer->cur_link);
 726 }
 727 static void viewer_menu_handler(GtkWidget *menuitem, FancyViewer *viewer)
 728 {
 729         const gchar *g_name = gtk_widget_get_name(GTK_WIDGET(menuitem));
 730         if (!g_ascii_strcasecmp(g_name, "GtkImageMenuItem")) {
 731
 732                 GtkWidget *menul = gtk_bin_get_child(GTK_BIN(menuitem));
 733
 734         if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 735                                 "Search the Web")) {
 736                         gtk_label_set_text(GTK_LABEL(menul), _("Search the Web"));
 737                         viewer->cur_link = NULL;
 738                         GtkImageMenuItem *m_search = GTK_IMAGE_MENU_ITEM(menuitem);
 739                         g_signal_connect(G_OBJECT(m_search), "activate",
 740                                          G_CALLBACK(search_the_web_cb),
 741                                          (gpointer *) viewer);
 742                 }
 743
 744                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 745                                         "Open Link" )) {
 746
 747                         if (viewer->override_prefs_remote_content)
 748                                 gtk_label_set_text(GTK_LABEL(menul), _("Open in Viewer"));
 749                         else
 750                                 gtk_label_set_text(GTK_LABEL(menul), _("Open in Viewer (enable remote content)"));
 751
 752                         GtkImageMenuItem *m_new = GTK_IMAGE_MENU_ITEM(menuitem);
 753                         gtk_widget_set_sensitive(GTK_WIDGET(m_new), viewer->override_prefs_remote_content);
 754                 }
 755
 756                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 757                                                                 "Open Link in New Window" )) {
 758
 759                         gtk_label_set_text(GTK_LABEL(menul), _("Open in Browser"));
 760
 761                         GtkImageMenuItem *m_new = GTK_IMAGE_MENU_ITEM(menuitem);
 762                         g_signal_connect(G_OBJECT(m_new), "activate",
 763                                          G_CALLBACK(open_in_browser_cb),
 764                                          (gpointer *) viewer);
 765                 }
 766
 767                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 768                                         "Open Image in New Window" )) {
 769                         gtk_label_set_text(GTK_LABEL(menul), _("Open Image"));
 770                         GtkImageMenuItem *m_image = GTK_IMAGE_MENU_ITEM(menuitem);
 771                         g_signal_connect(G_OBJECT(m_image), "activate",
 772                                          G_CALLBACK(open_image_cb),
 773                                          (gpointer *) viewer);
 774                 }
 775
 776                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 777                                         "Copy Link Location" )) {
 778                         gtk_label_set_text(GTK_LABEL(menul), _("Copy Link"));
 779                 }
 780         if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 781                                 "Download Linked File" )) {
 782                         gtk_label_set_text(GTK_LABEL(menul), _("Download Link"));
 783
 784                         GtkImageMenuItem *m_dlink = GTK_IMAGE_MENU_ITEM(menuitem);
 785                         g_signal_connect(G_OBJECT(m_dlink), "activate",
 786                                          G_CALLBACK(download_file_cb),
 787                                          (gpointer *) viewer);
 788                 }
 789
 790                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 791                                         "Save Image As" )) {
 792
 793                         gtk_label_set_text(GTK_LABEL(menul), _("Save Image As"));
 794
 795                         GtkImageMenuItem *m_simage = GTK_IMAGE_MENU_ITEM(menuitem);
 796                         g_signal_connect(G_OBJECT(m_simage), "activate",
 797                                          G_CALLBACK(save_image_cb),
 798                                          (gpointer *) viewer);
 799                 }
 800
 801                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 802                                         "Copy Image" )) {
 803                         gtk_label_set_text(GTK_LABEL(menul), _("Copy Image"));
 804                         GtkImageMenuItem *m_cimage = GTK_IMAGE_MENU_ITEM(menuitem);
 805                         g_signal_connect(G_OBJECT(m_cimage), "activate",
 806                                          G_CALLBACK(copy_image_cb),
 807                                          (gpointer *) viewer);
 808                 }
 809
 810         }
 811 }
 812
 813 static gboolean populate_popup_cb (WebKitWebView *view, GtkWidget *menu,
 814                                    FancyViewer *viewer)
 815 {
 816         Plugin *plugin = plugin_get_loaded_by_name("RSSyl");
 817         gtk_container_foreach(GTK_CONTAINER(menu),
 818                               (GtkCallback)viewer_menu_handler,
 819                               viewer);
 820         if (plugin) {
 821                 GtkWidget *rssyl = gtk_image_menu_item_new_with_label(_("Import feed"));
 822                 GtkWidget *img = gtk_image_new_from_stock(GTK_STOCK_ADD, GTK_ICON_SIZE_MENU);
 823                 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(rssyl), img);
 824                 gtk_widget_show(GTK_WIDGET(rssyl));
 825                 gtk_menu_shell_append(GTK_MENU_SHELL(menu), rssyl);
 826                 g_signal_connect(G_OBJECT(rssyl), "activate",
 827                                  G_CALLBACK(import_feed_cb),
 828                                  (gpointer *) viewer);
 829         }
 830         return TRUE;
 831 }
 832
 833 static gint keypress_events_cb (GtkWidget *widget, GdkEventKey *event,
 834                                                                 FancyViewer *viewer)
 835 {
 836         if (event->state == CTRL_KEY) {
 837                 switch (event->keyval) {
 838                 case GDK_plus:
 839                         zoom_in_cb(viewer->ev_zoom_in, NULL, viewer);
 840                         break;
 841                 case GDK_period:
 842                         zoom_100_cb(viewer->ev_zoom_100, NULL, viewer);
 843                         break;
 844                 case GDK_minus:
 845                         zoom_out_cb(viewer->ev_zoom_out, NULL, viewer);
 846                         break;
 847                 }
 848         }
 849         return FALSE;
 850 }
 851
 852 static gboolean release_button_cb (WebKitWebView *view, GdkEvent *ev,
 853                                    FancyViewer *viewer)
 854 {
 855         if (ev->button.button == 1 && viewer->cur_link && viewer->override_prefs_external) {
 856 #if WEBKIT_CHECK_VERSION(1,9,3)
 857                 /* The x and y properties were added in 1.9.3 */
 858                 gint x, y;
 859                 WebKitHitTestResult *result;
 860                 result = webkit_web_view_get_hit_test_result(view, (GdkEventButton *)ev);
 861                 g_object_get(G_OBJECT(result),
 862                                 "x", &x, "y", &y,
 863                                 NULL);
 864
 865                 /* If this button release is end of a drag or selection event
 866                  * (button press happened on different coordinates), we do not
 867                  * want to open the link. */
 868                 if ((x != viewer->click_x || y != viewer->click_y))
 869                         return FALSE;
 870 #endif
 871
 872                 open_uri(viewer->cur_link, prefs_common_get_uri_cmd());
 873                 return TRUE;
 874         }
 875         return FALSE;
 876 }
 877
 878 static gboolean press_button_cb (WebKitWebView *view, GdkEvent *ev,
 879                 FancyViewer *viewer)
 880 {
 881 #if WEBKIT_CHECK_VERSION(1,5,1)
 882         gint type = 0;
 883         WebKitHitTestResult *result =
 884                 webkit_web_view_get_hit_test_result(view, (GdkEventButton *)ev);
 885
 886         g_object_get(G_OBJECT(result),
 887                         "context", &type,
 888 # if WEBKIT_CHECK_VERSION(1,9,3)
 889                         "x", &viewer->click_x, "y", &viewer->click_y,
 890 # endif /* 1.9.3 */
 891                         NULL);
 892
 893         if (type & WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION)
 894                 return FALSE;
 895
 896         viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 897         viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 898         viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 899         if (viewer->selection != NULL)
 900                 webkit_dom_dom_selection_empty(viewer->selection);
 901 #endif /* 1.5.1 */
 902         return FALSE;
 903 }
 904
 905 static void zoom_100_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 906 {
 907         gtk_widget_grab_focus(widget);
 908         webkit_web_view_set_zoom_level(viewer->view, 1);
 909 }
 910
 911 static void zoom_in_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 912 {
 913         gtk_widget_grab_focus(widget);
 914         webkit_web_view_zoom_in(viewer->view);
 915 }
 916 static void zoom_out_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 917 {
 918         gtk_widget_grab_focus(widget);
 919         webkit_web_view_zoom_out(viewer->view);
 920 }
 921
 922 #if WEBKIT_CHECK_VERSION (1,7,5)
 923 static void resource_load_failed_cb(WebKitWebView     *web_view,
 924                                     WebKitWebFrame    *web_frame,
 925                                     WebKitWebResource *web_resource,
 926                                     GError            *error,
 927                                     FancyViewer       *viewer)
 928 {
 929         debug_print("Loading error: %s\n", error->message);
 930 }
 931 #endif
 932
 933 static MimeViewer *fancy_viewer_create(void)
 934 {
 935         FancyViewer    *viewer;
 936         GtkWidget      *hbox;
 937
 938         debug_print("fancy_viewer_create\n");
 939
 940         viewer = g_new0(FancyViewer, 1);
 941         viewer->mimeviewer.factory = &fancy_viewer_factory;
 942         viewer->mimeviewer.get_widget = fancy_get_widget;
 943         viewer->mimeviewer.get_selection = fancy_get_selection;
 944         viewer->mimeviewer.show_mimepart = fancy_show_mimepart;
 945         viewer->mimeviewer.print = fancy_print;
 946         viewer->mimeviewer.clear_viewer = fancy_clear_viewer;
 947         viewer->mimeviewer.destroy_viewer = fancy_destroy_viewer;
 948         viewer->mimeviewer.text_search = fancy_text_search;
 949         viewer->mimeviewer.scroll_page = fancy_scroll_page;
 950         viewer->mimeviewer.scroll_one_line = fancy_scroll_one_line;
 951         viewer->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 952
 953 #ifdef HAVE_LIBSOUP_GNOME
 954  /* Use GNOME proxy settings through libproxy */
 955         if (fancy_prefs.enable_gnome_proxy) {
 956                 SoupSession *session = webkit_get_default_session();
 957                 soup_session_add_feature_by_type (session, SOUP_TYPE_PROXY_RESOLVER_GNOME);
 958         }
 959 #endif
 960
 961         if (fancy_prefs.enable_proxy) {
 962                 SoupSession *session = webkit_get_default_session();
 963                 SoupURI* pURI = soup_uri_new(fancy_prefs.proxy_str);
 964                 g_object_set(session, "proxy-uri", pURI, NULL);
 965         }
 966
 967         viewer->settings = webkit_web_settings_new();
 968         g_object_set(viewer->settings, "user-agent", "Fancy Viewer", NULL);
 969         viewer->scrollwin = gtk_scrolled_window_new(NULL, NULL);
 970         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(viewer->scrollwin),
 971                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 972         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(viewer->scrollwin),
 973                                             GTK_SHADOW_IN);
 974         gtk_container_add(GTK_CONTAINER(viewer->scrollwin),
 975                           GTK_WIDGET(viewer->view));
 976
 977         viewer->vbox = gtk_vbox_new(FALSE, 0);
 978         hbox = gtk_hbox_new(FALSE, 0);
 979         viewer->progress = gtk_progress_bar_new();
 980         /* Zoom Widgets */
 981         viewer->zoom_100 = gtk_image_new_from_stock(GTK_STOCK_ZOOM_100, GTK_ICON_SIZE_MENU);
 982         viewer->zoom_in = gtk_image_new_from_stock(GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU);
 983         viewer->zoom_out = gtk_image_new_from_stock(GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU);
 984         viewer->stop_loading = gtk_image_new_from_stock(GTK_STOCK_CANCEL, GTK_ICON_SIZE_MENU);
 985         /* Event Widgets for the Zoom Widgets  */
 986         viewer->ev_zoom_100 = gtk_event_box_new();
 987         viewer->ev_zoom_in = gtk_event_box_new();
 988         viewer->ev_zoom_out = gtk_event_box_new();
 989         viewer->ev_stop_loading = gtk_event_box_new();
 990
 991         /* Link Label */
 992         viewer->l_link = gtk_label_new("");
 993
 994         /* Preferences Widgets to override preferences on the fly  */
 995         viewer->fancy_prefs = gtk_image_new_from_stock(GTK_STOCK_PREFERENCES, GTK_ICON_SIZE_MENU);
 996         viewer->ev_fancy_prefs = gtk_event_box_new();
 997
 998         /* Popup Menu for preferences  */
 999         viewer->fancy_prefs_menu = gtk_menu_new();
1000         fancy_create_popup_prefs_menu(viewer);
1001
1002         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_100), FALSE);
1003         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_in), FALSE);
1004         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_out), FALSE);
1005         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_fancy_prefs), FALSE);
1006         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_stop_loading), FALSE);
1007
1008         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_100), viewer->zoom_100);
1009         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_in), viewer->zoom_in);
1010         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_out), viewer->zoom_out);
1011         gtk_container_add(GTK_CONTAINER(viewer->ev_fancy_prefs), viewer->fancy_prefs);
1012         gtk_container_add(GTK_CONTAINER(viewer->ev_stop_loading), viewer->stop_loading);
1013
1014         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_100, FALSE, FALSE, 1);
1015         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_in, FALSE, FALSE, 2);
1016         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_out, FALSE, FALSE, 2);
1017         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_fancy_prefs, FALSE, FALSE, 2);
1018         gtk_box_pack_start(GTK_BOX(hbox), viewer->l_link, FALSE, FALSE, 8);
1019         gtk_box_pack_end(GTK_BOX(hbox), viewer->progress, FALSE, FALSE, 0);
1020         gtk_box_pack_end(GTK_BOX(hbox), viewer->ev_stop_loading, FALSE, FALSE, 0);
1021
1022         gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->scrollwin, TRUE, TRUE,
1023                        1);
1024         gtk_box_pack_start(GTK_BOX(viewer->vbox), hbox, FALSE, FALSE, 0);
1025
1026         gtk_widget_show(viewer->ev_zoom_100);
1027         gtk_widget_show(viewer->ev_zoom_in);
1028         gtk_widget_show(viewer->ev_zoom_out);
1029         gtk_widget_show(viewer->ev_fancy_prefs);
1030
1031         gtk_widget_show(viewer->scrollwin);
1032         gtk_widget_show(viewer->zoom_100);
1033         gtk_widget_show(viewer->zoom_in);
1034         gtk_widget_show(viewer->zoom_out);
1035         gtk_widget_show(viewer->fancy_prefs);
1036         gtk_widget_show(viewer->stop_loading);
1037
1038         gtk_widget_show(viewer->l_link);
1039         gtk_widget_show(viewer->vbox);
1040         gtk_widget_show(hbox);
1041         gtk_widget_show(GTK_WIDGET(viewer->view));
1042
1043         g_signal_connect(G_OBJECT(viewer->view), "load-started",
1044                          G_CALLBACK(load_start_cb), viewer);
1045         g_signal_connect(G_OBJECT(viewer->view), "load-finished",
1046                          G_CALLBACK(load_finished_cb), viewer);
1047         g_signal_connect(G_OBJECT(viewer->view), "hovering-over-link",
1048                          G_CALLBACK(over_link_cb), viewer);
1049
1050         g_signal_connect(G_OBJECT(viewer->view), "notify::progress",
1051                          G_CALLBACK(load_progress_cb), viewer);
1052         g_signal_connect(G_OBJECT(viewer->view), "notify::load-status",
1053                          G_CALLBACK(load_progress_cb), viewer);
1054
1055         g_signal_connect(G_OBJECT(viewer->view), "navigation-policy-decision-requested",
1056                          G_CALLBACK(navigation_policy_cb), viewer);
1057
1058         g_signal_connect(G_OBJECT(viewer->view), "resource-request-starting",
1059                         G_CALLBACK(resource_request_starting_cb), viewer);
1060         g_signal_connect(G_OBJECT(viewer->view), "populate-popup",
1061                          G_CALLBACK(populate_popup_cb), viewer);
1062         g_signal_connect(G_OBJECT(viewer->view), "button-press-event",
1063                          G_CALLBACK(press_button_cb), viewer);
1064         g_signal_connect(G_OBJECT(viewer->view), "button-release-event",
1065                          G_CALLBACK(release_button_cb), viewer);
1066         g_signal_connect(G_OBJECT(viewer->ev_zoom_100), "button-press-event",
1067                          G_CALLBACK(zoom_100_cb), (gpointer*)viewer);
1068         g_signal_connect(G_OBJECT(viewer->ev_zoom_in), "button-press-event",
1069                          G_CALLBACK(zoom_in_cb), (gpointer *)viewer);
1070         g_signal_connect(G_OBJECT(viewer->ev_zoom_out), "button-press-event",
1071                          G_CALLBACK(zoom_out_cb), (gpointer *)viewer);
1072         g_signal_connect(G_OBJECT(viewer->ev_fancy_prefs), "button-press-event",
1073                          G_CALLBACK(fancy_prefs_cb), (gpointer *)viewer);
1074         g_signal_connect(G_OBJECT(viewer->ev_stop_loading), "button-press-event",
1075                          G_CALLBACK(stop_loading_cb), viewer);
1076         g_signal_connect(G_OBJECT(viewer->view), "key_press_event",
1077                          G_CALLBACK(keypress_events_cb), viewer);
1078
1079 #if WEBKIT_CHECK_VERSION (1,7,5)
1080         g_signal_connect(G_OBJECT(viewer->view), "resource-load-failed",
1081                          G_CALLBACK(resource_load_failed_cb), viewer);
1082 #endif
1083
1084         viewer->filename = NULL;
1085         return (MimeViewer *) viewer;
1086 }
1087
1088 static gchar *content_types[] = {"text/html", NULL};
1089
1090 static MimeViewerFactory fancy_viewer_factory =
1091 {
1092         content_types,
1093         0,
1094         fancy_viewer_create,
1095 };
1096
1097 gint plugin_init(gchar **error)
1098 {
1099         if (!check_plugin_version(MAKE_NUMERIC_VERSION(2,9,2,72),
1100                                   VERSION_NUMERIC, _("Fancy"), error))
1101                 return -1;
1102         gchar *directory = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1103                                 "fancy", NULL);
1104         if (!is_dir_exist(directory))
1105                 if (make_dir (directory) < 0) {
1106                         g_free(directory);
1107                         return -1;
1108                 }
1109         g_free(directory);
1110
1111         fancy_prefs_init();
1112
1113         mimeview_register_viewer_factory(&fancy_viewer_factory);
1114
1115         return 0;
1116 }
1117
1118 gboolean plugin_done(void)
1119 {
1120         mimeview_unregister_viewer_factory(&fancy_viewer_factory);
1121         fancy_prefs_done();
1122         return FALSE;
1123 }
1124
1125 const gchar *plugin_name(void)
1126 {
1127         /* i18n: 'Fancy' here is name of the plugin, not the english word. */
1128         return _("Fancy HTML Viewer");
1129 }
1130
1131 const gchar *plugin_desc(void)
1132 {
1133         return g_strdup_printf(_("This plugin renders HTML mail using the WebKit "
1134                                "%d.%d.%d library.\nBy default all remote content is "
1135                                "blocked. Options "
1136                                "can be found in /Configuration/Preferences/Plugins/Fancy"),
1137                                WEBKIT_MAJOR_VERSION, WEBKIT_MINOR_VERSION,
1138                                WEBKIT_MICRO_VERSION);
1139 }
1140
1141 const gchar *plugin_type(void)
1142 {
1143         return "GTK2";
1144 }
1145
1146 const gchar *plugin_licence(void)
1147 {
1148         return "GPL3";
1149 }
1150
1151 const gchar *plugin_version(void)
1152 {
1153         return VERSION;
1154 }
1155
1156 struct PluginFeature *plugin_provides(void)
1157 {
1158         static struct PluginFeature features[] = {
1159                                         {PLUGIN_MIMEVIEWER, "text/html"},
1160                                 {PLUGIN_NOTHING, NULL}
1161         };
1162         return features;
1163 }