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 #include <file-utils.h>
  32
  33 #include <printing.h>
  34 #include <webkit/webkithittestresult.h>
  35
  36 static void
  37 load_start_cb (WebKitWebView *view, gint progress, FancyViewer *viewer);
  38
  39 static void
  40 load_finished_cb (WebKitWebView *view, gint progress, FancyViewer *viewer);
  41
  42 static void
  43 over_link_cb (WebKitWebView *view, const gchar *wtf, const gchar *link,
  44               FancyViewer *viewer, void *wtfa);
  45
  46
  47 static void
  48 load_progress_cb(WebKitWebView *view, GParamSpec* pspec, FancyViewer *viewer);
  49
  50 static MimeViewerFactory fancy_viewer_factory;
  51
  52 static gboolean
  53 fancy_text_search(MimeViewer *_viewer, gboolean backward, const gchar *str,
  54                   gboolean case_sens);
  55
  56 static void
  57 viewer_menu_handler(GtkWidget *menuitem, FancyViewer *viewer);
  58
  59 static gint keypress_events_cb (GtkWidget *widget, GdkEventKey *event,
  60                                                                 FancyViewer *viewer);
  61 static void zoom_in_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer);
  62 static void zoom_out_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer);
  63 static gboolean fancy_prefs_cb(GtkWidget *widget, GdkEventButton *ev, FancyViewer *viewer);
  64 static void zoom_100_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer);
  65 static void open_in_browser_cb(GtkWidget *widget, FancyViewer *viewer);
  66 static void fancy_create_popup_prefs_menu(FancyViewer *viewer);
  67 static void fancy_show_notice(FancyViewer *viewer, const gchar *message);
  68 static size_t download_file_curl_write_cb(void *buffer, size_t size,
  69                                           size_t nmemb, void *data);
  70 static void *download_file_curl (void *data);
  71 static void download_file_cb(GtkWidget *widget, FancyViewer *viewer);
  72 static gboolean fancy_set_contents(FancyViewer *viewer, gboolean use_defaults);
  73
  74 /*------*/
  75 static GtkWidget *fancy_get_widget(MimeViewer *_viewer)
  76 {
  77         FancyViewer *viewer = (FancyViewer *) _viewer;
  78         debug_print("fancy_get_widget: %p\n", viewer->vbox);
  79
  80         return GTK_WIDGET(viewer->vbox);
  81 }
  82
  83 static void fancy_apply_prefs(FancyViewer *viewer)
  84 {
  85         g_object_set(viewer->settings,
  86                 "auto-load-images", viewer->override_prefs_images,
  87                 "enable-scripts", viewer->override_prefs_scripts,
  88                 "enable-plugins", viewer->override_prefs_plugins,
  89                 "enable-java-applet", viewer->override_prefs_java,
  90                 "enable-dns-prefetching", viewer->override_prefs_remote_content,
  91                 "user-stylesheet-uri", viewer->override_stylesheet,
  92 #ifdef G_OS_WIN32
  93                 "default-font-family", "Arial",
  94                 "cursive-font-family", "Comic Sans MS",
  95                 "fantasy-font-family", "Comic Sans MS",
  96                 "monospace-font-family", "Courier New",
  97                 "sans-serif-font-family", "Arial",
  98                 "serif-font-family", "Times New Roman",
  99 #endif
 100                 NULL);
 101         webkit_web_view_set_settings(viewer->view, viewer->settings);
 102 }
 103
 104 static void fancy_auto_load_images_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 105         viewer->override_prefs_images = gtk_check_menu_item_get_active(item);
 106         fancy_apply_prefs(viewer);
 107         fancy_set_contents(viewer, FALSE);
 108 }
 109
 110 static void fancy_enable_remote_content_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 111         viewer->override_prefs_remote_content = gtk_check_menu_item_get_active(item);
 112         fancy_apply_prefs(viewer);
 113         fancy_set_contents(viewer, FALSE);
 114 }
 115
 116 static void fancy_enable_scripts_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 117         viewer->override_prefs_scripts = gtk_check_menu_item_get_active(item);
 118         fancy_apply_prefs(viewer);
 119         fancy_set_contents(viewer, FALSE);
 120 }
 121
 122 static void fancy_enable_plugins_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 123         viewer->override_prefs_plugins = gtk_check_menu_item_get_active(item);
 124         fancy_apply_prefs(viewer);
 125         fancy_set_contents(viewer, FALSE);
 126 }
 127
 128 static void fancy_enable_java_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 129         viewer->override_prefs_java = gtk_check_menu_item_get_active(item);
 130         fancy_apply_prefs(viewer);
 131         fancy_set_contents(viewer, FALSE);
 132 }
 133
 134 static void fancy_open_external_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
 135         viewer->override_prefs_external = gtk_check_menu_item_get_active(item);
 136         fancy_apply_prefs(viewer);
 137 }
 138
 139 static void fancy_set_defaults(FancyViewer *viewer)
 140 {
 141         viewer->override_prefs_remote_content = fancy_prefs.enable_remote_content;
 142         viewer->override_prefs_external = fancy_prefs.open_external;
 143         viewer->override_prefs_images = fancy_prefs.enable_images;
 144         viewer->override_prefs_scripts = fancy_prefs.enable_scripts;
 145         viewer->override_prefs_plugins = fancy_prefs.enable_plugins;
 146         viewer->override_prefs_java = fancy_prefs.enable_java;
 147
 148         gchar *tmp;
 149 #ifdef G_OS_WIN32
 150         /* Replace backslashes with forward slashes, since we'll be
 151          * using this string in an URI. */
 152         gchar *tmp2 = g_strdup(fancy_prefs.stylesheet);
 153         subst_char(tmp2, '\\', '/');
 154
 155         /* Escape string for use in an URI, keeping dir separators
 156          * and colon for Windows drive name ("C:") intact. */
 157         tmp = g_uri_escape_string(tmp2, "/:", TRUE);
 158         g_free(tmp2);
 159 #else
 160         /* Escape string for use in an URI, keeping dir separators
 161          * intact. */
 162         tmp = g_uri_escape_string(fancy_prefs.stylesheet, "/", TRUE);
 163 #endif
 164         viewer->override_stylesheet = g_strconcat("file://", tmp, NULL);
 165         g_free(tmp);
 166         debug_print("Passing '%s' as stylesheet URI to Webkit\n",
 167                         viewer->override_stylesheet);
 168
 169         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_images),
 170                 fancy_auto_load_images_activated, viewer);
 171         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_remote_content),
 172                 fancy_enable_remote_content_activated, viewer);
 173         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_scripts),
 174                 fancy_enable_scripts_activated, viewer);
 175         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_plugins),
 176                 fancy_enable_plugins_activated, viewer);
 177         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_java),
 178                 fancy_enable_java_activated, viewer);
 179         g_signal_handlers_block_by_func(G_OBJECT(viewer->open_external),
 180                 fancy_open_external_activated, viewer);
 181
 182         gtk_check_menu_item_set_active(
 183                 GTK_CHECK_MENU_ITEM(viewer->enable_images),
 184                 viewer->override_prefs_images);
 185         gtk_check_menu_item_set_active(
 186                 GTK_CHECK_MENU_ITEM(viewer->enable_scripts),
 187                 viewer->override_prefs_scripts);
 188         gtk_check_menu_item_set_active(
 189                 GTK_CHECK_MENU_ITEM(viewer->enable_plugins),
 190                 viewer->override_prefs_plugins);
 191         gtk_check_menu_item_set_active(
 192                 GTK_CHECK_MENU_ITEM(viewer->enable_java),
 193                 viewer->override_prefs_java);
 194         gtk_check_menu_item_set_active(
 195                 GTK_CHECK_MENU_ITEM(viewer->enable_remote_content),
 196                 viewer->override_prefs_remote_content);
 197         gtk_check_menu_item_set_active(
 198                 GTK_CHECK_MENU_ITEM(viewer->open_external),
 199                 viewer->override_prefs_external);
 200
 201         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_images),
 202                 fancy_auto_load_images_activated, viewer);
 203         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_remote_content),
 204                 fancy_enable_remote_content_activated, viewer);
 205         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_scripts),
 206                 fancy_enable_scripts_activated, viewer);
 207         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_plugins),
 208                 fancy_enable_plugins_activated, viewer);
 209         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_java),
 210                 fancy_enable_java_activated, viewer);
 211         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->open_external),
 212                 fancy_open_external_activated, viewer);
 213
 214         fancy_apply_prefs(viewer);
 215 }
 216
 217 static gboolean fancy_set_contents(FancyViewer *viewer, gboolean use_defaults)
 218 {
 219         MessageView *messageview = ((MimeViewer *)viewer)->mimeview
 220                                         ? ((MimeViewer *)viewer)->mimeview->messageview
 221                                         : NULL;
 222         MimeInfo *partinfo = viewer->to_load;
 223
 224         if (messageview) {
 225                 messageview->updating = TRUE;
 226                 NoticeView *noticeview = messageview->noticeview;
 227                 noticeview_hide(noticeview);
 228         }
 229
 230         if (viewer->filename != NULL) {
 231                 g_unlink(viewer->filename);
 232                 g_free(viewer->filename);
 233                 viewer->filename = NULL;
 234         }
 235
 236         if (partinfo)
 237                 viewer->filename = procmime_get_tmp_file_name(partinfo);
 238         debug_print("filename: %s\n", viewer->filename);
 239         if (!viewer->filename) {
 240                 return FALSE;
 241         }
 242         if (procmime_get_part(viewer->filename, partinfo) < 0) {
 243                 g_free(viewer->filename);
 244                 viewer->filename = NULL;
 245         }
 246         else {
 247                 const gchar *charset = NULL;
 248                 gchar *contents = NULL;
 249                 if (messageview && messageview->forced_charset)
 250                         charset = ((MimeViewer *)viewer)->mimeview->messageview->forced_charset;
 251                 else
 252                         charset = procmime_mimeinfo_get_parameter(partinfo, "charset");
 253                 if (!charset)
 254                         charset = conv_get_locale_charset_str();
 255                 debug_print("using %s charset\n", charset);
 256                 g_object_set(viewer->settings, "default-encoding", charset, NULL);
 257
 258                 if (use_defaults) {
 259                         debug_print("zoom_level: %i\n", fancy_prefs.zoom_level);
 260                         webkit_web_view_set_zoom_level(viewer->view, (fancy_prefs.zoom_level / 100.0));
 261
 262                         fancy_set_defaults(viewer);
 263                 }
 264
 265                 contents = file_read_to_str_no_recode(viewer->filename);
 266                 webkit_web_view_load_string(viewer->view,
 267                                             contents,
 268                                             "text/html",
 269                                             charset,
 270                                             NULL);
 271                 g_free(contents);
 272         }
 273         viewer->loading = FALSE;
 274         return FALSE;
 275 }
 276
 277 static gboolean fancy_show_mimepart_real(MimeViewer *_viewer)
 278 {
 279         return fancy_set_contents((FancyViewer *)_viewer, TRUE);
 280 }
 281
 282 static void fancy_show_notice(FancyViewer *viewer, const gchar *message)
 283 {
 284         gtk_label_set_text(GTK_LABEL(viewer->l_link), message);
 285 }
 286
 287 static gboolean fancy_show_mimepart_prepare(MimeViewer *_viewer)
 288 {
 289         FancyViewer *viewer = (FancyViewer *) _viewer;
 290
 291         g_timeout_add(5, (GSourceFunc)fancy_show_mimepart_real, viewer);
 292         return FALSE;
 293 }
 294
 295 static void fancy_show_mimepart(MimeViewer *_viewer, const gchar *infile,
 296                                                                 MimeInfo *partinfo)
 297 {
 298         FancyViewer *viewer = (FancyViewer *) _viewer;
 299         viewer->to_load = partinfo;
 300         viewer->loading = TRUE;
 301         g_timeout_add(5, (GSourceFunc)fancy_show_mimepart_prepare, viewer);
 302 }
 303
 304 static void fancy_print(MimeViewer *_viewer)
 305 {
 306         FancyViewer *viewer = (FancyViewer *) _viewer;
 307         GtkPrintOperationResult res;
 308         GError *error = NULL;
 309         GtkPrintOperation *op;
 310
 311         gtk_widget_realize(GTK_WIDGET(viewer->view));
 312
 313         while (viewer->loading)
 314                 claws_do_idle();
 315
 316         op = gtk_print_operation_new();
 317
 318         /* Config for printing */
 319         gtk_print_operation_set_print_settings(op, printing_get_settings());
 320         gtk_print_operation_set_default_page_setup(op, printing_get_page_setup());
 321         /* enable Page Size and Orientation in the print dialog */
 322         gtk_print_operation_set_embed_page_setup(op, TRUE);
 323
 324         /* Start printing process */
 325         res = webkit_web_frame_print_full(webkit_web_view_get_main_frame(viewer->view),
 326                                           op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
 327                                           &error);
 328
 329         if (res == GTK_PRINT_OPERATION_RESULT_ERROR) {
 330                 gtk_print_operation_get_error(op, &error);
 331                 debug_print("Error printing message: %s\n",
 332                             error ? error->message : "no details");
 333         } else if (res == GTK_PRINT_OPERATION_RESULT_APPLY) {
 334                 /* store settings for next printing session */
 335                 printing_store_settings(gtk_print_operation_get_print_settings(op));
 336         }
 337 }
 338
 339 static gchar *fancy_get_selection (MimeViewer *_viewer)
 340 {
 341         debug_print("fancy_get_selection\n");
 342         FancyViewer *viewer = (FancyViewer *) _viewer;
 343         viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 344         viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 345         viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 346         if (viewer->selection == NULL)
 347                 return NULL;
 348         viewer->range = webkit_dom_dom_selection_get_range_at(viewer->selection, 0, NULL);
 349         if (viewer->range == NULL)
 350                 return NULL;
 351         gchar *sel = webkit_dom_range_get_text (viewer->range);
 352         if (!viewer->view || strlen(sel) == 0) {
 353                 g_free(sel);
 354                 return NULL;
 355         }
 356         return sel;
 357 }
 358
 359 static void fancy_clear_viewer(MimeViewer *_viewer)
 360 {
 361         FancyViewer *viewer = (FancyViewer *) _viewer;
 362         GtkAdjustment *vadj;
 363         viewer->cur_link = NULL;
 364         fancy_set_defaults(viewer);
 365
 366         webkit_web_view_load_uri(viewer->view, "about:blank");
 367
 368         debug_print("fancy_clear_viewer\n");
 369         fancy_prefs.zoom_level = webkit_web_view_get_zoom_level(viewer->view) * 100;
 370         viewer->to_load = NULL;
 371         vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
 372         gtk_adjustment_set_value(vadj, 0.0);
 373         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
 374 }
 375
 376 static void fancy_destroy_viewer(MimeViewer *_viewer)
 377 {
 378         FancyViewer *viewer = (FancyViewer *) _viewer;
 379         fancy_prefs.zoom_level = webkit_web_view_get_zoom_level(viewer->view) * 100;
 380         debug_print("fancy_destroy_viewer\n");
 381         g_free(viewer->filename);
 382         g_free(viewer);
 383 }
 384
 385 static gboolean
 386 navigation_policy_cb (WebKitWebView             *web_view,
 387                       WebKitWebFrame            *frame,
 388                       WebKitNetworkRequest      *request,
 389                       WebKitWebNavigationAction *navigation_action,
 390                       WebKitWebPolicyDecision   *policy_decision,
 391                       FancyViewer               *viewer)
 392 {
 393         const gchar *uri = webkit_network_request_get_uri(request);
 394
 395         debug_print("navigation requested to %s\n", uri);
 396
 397         if (!strncmp(uri, "mailto:", 7)) {
 398                 debug_print("Opening message window\n");
 399                 compose_new(NULL, uri + 7, NULL);
 400                 webkit_web_policy_decision_ignore(policy_decision);
 401         } else if (!strncmp(uri, "file://", 7) || !strcmp(uri, "about:blank")) {
 402                 debug_print("local navigation request ACCEPTED\n");
 403                 webkit_web_policy_decision_use(policy_decision);
 404         } else if (viewer->override_prefs_remote_content) {
 405                 debug_print("remote navigation request ACCEPTED\n");
 406                 webkit_web_policy_decision_use(policy_decision);
 407         } else {
 408                 debug_print("remote navigation request IGNORED\n");
 409                 fancy_show_notice(viewer, _("Remote content loading is disabled."));
 410                 webkit_web_policy_decision_ignore(policy_decision);
 411         }
 412
 413         return true;
 414 }
 415
 416 static void resource_request_starting_cb(WebKitWebView          *view,
 417                                          WebKitWebFrame         *frame,
 418                                          WebKitWebResource      *resource,
 419                                          WebKitNetworkRequest   *request,
 420                                          WebKitNetworkResponse  *response,
 421                                          FancyViewer            *viewer)
 422 {
 423         const gchar *uri = webkit_network_request_get_uri(request);
 424         gchar *filename;
 425         gchar *image;
 426         gint err;
 427         MimeInfo *partinfo = viewer->to_load;
 428
 429         filename = viewer->filename;
 430         if ((!g_ascii_strncasecmp(uri, "cid:", 4)) || (!g_ascii_strncasecmp(uri, "mid:", 4))) {
 431                 image = g_strconcat("<", uri + 4, ">", NULL);
 432                 while ((partinfo = procmime_mimeinfo_next(partinfo)) != NULL) {
 433                         if (!g_ascii_strcasecmp(image, partinfo->id)) {
 434                                 filename = procmime_get_tmp_file_name(partinfo);
 435                                 if (!filename) {
 436                                         g_free(image);
 437                                         return;
 438                                 }
 439                                 if ((err = procmime_get_part(filename, partinfo)) < 0)
 440                                         alertpanel_error(_("Couldn't save the part of multipart message: %s"),
 441                                                                                 g_strerror(-err));
 442                                 gchar *file_uri = g_filename_to_uri(filename, NULL, NULL);
 443                                 webkit_network_request_set_uri(request, file_uri);
 444                                 g_free(file_uri);
 445                                 g_free(filename);
 446                                 break;
 447                         }
 448                 }
 449                 g_free(image);
 450         }
 451
 452         /* refresh URI that may have changed */
 453         uri = webkit_network_request_get_uri(request);
 454         if (!viewer->override_prefs_remote_content
 455             && strncmp(uri, "file://", 7) && strncmp(uri, "data:", 5)) {
 456                 debug_print("Preventing load of %s\n", uri);
 457                 webkit_network_request_set_uri(request, "about:blank");
 458         }
 459         else
 460                 debug_print("Starting request of %"G_GSIZE_FORMAT" %s\n", strlen(uri), uri);
 461 }
 462
 463 static gboolean fancy_text_search(MimeViewer *_viewer, gboolean backward,
 464                                   const gchar *str, gboolean case_sens)
 465 {
 466         return webkit_web_view_search_text(((FancyViewer*)_viewer)->view, str,
 467                                            case_sens, !backward, TRUE);
 468 }
 469
 470 static gboolean fancy_prefs_cb(GtkWidget *widget, GdkEventButton *ev, FancyViewer *viewer)
 471 {
 472         if ((ev->button == 1) && (ev->type == GDK_BUTTON_PRESS)) {
 473                 gtk_menu_popup(GTK_MENU(viewer->fancy_prefs_menu), NULL, NULL, NULL, NULL,
 474                                 ev->button, ev->time);
 475                 return TRUE;
 476         }
 477         return FALSE;
 478 }
 479
 480 static void fancy_create_popup_prefs_menu(FancyViewer *viewer) {
 481         GtkWidget *enable_images;
 482         GtkWidget *enable_remote_content;
 483         GtkWidget *enable_scripts;
 484         GtkWidget *enable_plugins;
 485         GtkWidget *enable_java;
 486         GtkWidget *open_external;
 487
 488         enable_images = gtk_check_menu_item_new_with_label(_("Load images"));
 489
 490         enable_remote_content = gtk_check_menu_item_new_with_label(_("Enable remote content"));
 491
 492         enable_scripts = gtk_check_menu_item_new_with_label(_("Enable Javascript"));
 493
 494         enable_plugins = gtk_check_menu_item_new_with_label(_("Enable Plugins"));
 495
 496         enable_java = gtk_check_menu_item_new_with_label(_("Enable Java"));
 497
 498         open_external = gtk_check_menu_item_new_with_label(_("Open links with external browser"));
 499
 500         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_images);
 501         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_remote_content);
 502         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_scripts);
 503         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_plugins);
 504         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_java);
 505         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), open_external);
 506
 507         gtk_menu_attach_to_widget(GTK_MENU(viewer->fancy_prefs_menu), viewer->ev_fancy_prefs, NULL);
 508         gtk_widget_show_all(viewer->fancy_prefs_menu);
 509
 510         viewer->enable_images = enable_images;
 511         viewer->enable_scripts = enable_scripts;
 512         viewer->enable_plugins = enable_plugins;
 513         viewer->enable_java = enable_java;
 514         viewer->enable_remote_content = enable_remote_content;
 515         viewer->open_external = open_external;
 516
 517         /* Set sensitivity according to preferences and overrides */
 518
 519         g_signal_connect(G_OBJECT(enable_images), "toggled",
 520                          G_CALLBACK (fancy_auto_load_images_activated), viewer);
 521         g_signal_connect(G_OBJECT(enable_remote_content), "toggled",
 522                          G_CALLBACK (fancy_enable_remote_content_activated), viewer);
 523         g_signal_connect(G_OBJECT(enable_scripts), "toggled",
 524                          G_CALLBACK (fancy_enable_scripts_activated), viewer);
 525         g_signal_connect(G_OBJECT(enable_plugins), "toggled",
 526                          G_CALLBACK (fancy_enable_plugins_activated), viewer);
 527         g_signal_connect(G_OBJECT(enable_java), "toggled",
 528                          G_CALLBACK (fancy_enable_java_activated), viewer);
 529         g_signal_connect(G_OBJECT(open_external), "toggled",
 530                          G_CALLBACK (fancy_open_external_activated), viewer);
 531
 532         fancy_apply_prefs(viewer);
 533 }
 534
 535 static gboolean fancy_scroll_page(MimeViewer *_viewer, gboolean up)
 536 {
 537         FancyViewer *viewer = (FancyViewer *)_viewer;
 538         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
 539                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
 540
 541         if (viewer->view == NULL)
 542                 return FALSE;
 543
 544         return gtkutils_scroll_page(GTK_WIDGET(viewer->view), vadj, up);
 545 }
 546
 547 static void fancy_scroll_one_line(MimeViewer *_viewer, gboolean up)
 548 {
 549         FancyViewer *viewer = (FancyViewer *)_viewer;
 550         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
 551                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
 552
 553         if (viewer->view == NULL)
 554                 return;
 555
 556         gtkutils_scroll_one_line(GTK_WIDGET(viewer->view), vadj, up);
 557 }
 558
 559 static void load_start_cb(WebKitWebView *view, gint progress,
 560                           FancyViewer *viewer)
 561 {
 562         gtk_widget_show(viewer->progress);
 563         gtk_widget_show(viewer->ev_stop_loading);
 564 }
 565
 566 static void load_finished_cb(WebKitWebView *view, gint progress,
 567                              FancyViewer *viewer)
 568 {
 569         gtk_widget_hide(viewer->progress);
 570         gtk_widget_hide(viewer->ev_stop_loading);
 571         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(viewer->progress),
 572                                       (gdouble) 0.0);
 573         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(viewer->progress), "");
 574 }
 575
 576 static void over_link_cb(WebKitWebView *view, const gchar *wtf,
 577                 const gchar *link, FancyViewer *viewer, void *wtfa)
 578 {
 579         /* Display the link in the bottom statusbar. */
 580         gtk_label_set_text(GTK_LABEL(viewer->l_link), link);
 581 }
 582
 583 static void load_progress_cb(WebKitWebView *view, GParamSpec* pspec,
 584                              FancyViewer *viewer)
 585 {
 586         WebKitLoadStatus status = webkit_web_view_get_load_status(viewer->view);
 587         gdouble pbar = webkit_web_view_get_progress(viewer->view);
 588         const gchar *uri = webkit_web_view_get_uri(viewer->view);
 589
 590         gchar *label = g_strdup_printf("%d%% Loading...", (gint)(pbar * 100));
 591         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(viewer->progress), pbar);
 592         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(viewer->progress),
 593                                   (const gchar*)label);
 594         g_free(label);
 595
 596         switch (status) {
 597                 case WEBKIT_LOAD_PROVISIONAL:
 598                 case WEBKIT_LOAD_COMMITTED:
 599                 case WEBKIT_LOAD_FIRST_VISUALLY_NON_EMPTY_LAYOUT:
 600                         break;
 601                 case WEBKIT_LOAD_FAILED:
 602                         debug_print("Load failed: %s\n", uri);
 603                         break;
 604                 case WEBKIT_LOAD_FINISHED:
 605                         debug_print("Load finished: %s\n", uri);
 606                         break;
 607         }
 608 }
 609
 610 static void stop_loading_cb(GtkWidget *widget, GdkEvent *ev,
 611                                                         FancyViewer *viewer)
 612 {
 613         webkit_web_view_stop_loading (viewer->view);
 614         gtk_widget_hide(viewer->progress);
 615         gtk_widget_hide(viewer->ev_stop_loading);
 616 }
 617
 618 static void search_the_web_cb(GtkWidget *widget, FancyViewer *viewer)
 619 {
 620         debug_print("Clicked on Search on Web\n");
 621         if (webkit_web_view_has_selection(viewer->view)) {
 622                 gchar *search;
 623                 viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 624                 viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 625                 viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 626                 viewer->range = webkit_dom_dom_selection_get_range_at(viewer->selection, 0, NULL);
 627                 gchar *tmp = webkit_dom_range_get_text (viewer->range);
 628                 search = g_strconcat(GOOGLE_SEARCH, tmp, NULL);
 629
 630                 webkit_web_view_load_uri(viewer->view, search);
 631                 g_free(search);
 632                 g_free(tmp);
 633         }
 634 }
 635
 636 static void open_in_browser_cb(GtkWidget *widget, FancyViewer *viewer)
 637 {
 638         debug_print("open outer: %s\n", viewer->cur_link);
 639         if(viewer->cur_link)
 640                 open_uri(viewer->cur_link, prefs_common_get_uri_cmd());
 641 }
 642
 643 static size_t download_file_curl_write_cb(void *buffer, size_t size,
 644                                           size_t nmemb, void *data)
 645 {
 646         FancyViewer *viewer = (FancyViewer *)data;
 647         if (!viewer->stream) {
 648                 viewer->stream = claws_fopen(viewer->curlfile, "wb");
 649                 if (!viewer->stream)
 650                         return -1;
 651         }
 652         return claws_fwrite(buffer, size, nmemb, viewer->stream);
 653 }
 654 static void *download_file_curl (void *data)
 655 {
 656         CURL *curl;
 657         CURLcode res;
 658         FancyViewer *viewer = (FancyViewer *)data;
 659
 660         curl_global_init(CURL_GLOBAL_DEFAULT);
 661         curl = curl_easy_init();
 662
 663         if (curl) {
 664                 curl_easy_setopt(curl, CURLOPT_URL, viewer->cur_link);
 665                 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, download_file_curl_write_cb);
 666                 curl_easy_setopt(curl, CURLOPT_WRITEDATA, viewer);
 667                 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
 668                 curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
 669                 res = curl_easy_perform(curl);
 670                 curl_easy_cleanup(curl);
 671
 672                 if (CURLE_OK != res)
 673                         alertpanel_error(_("An error occurred: %d\n"), res);
 674                 if (viewer->stream)
 675                         claws_safe_fclose(viewer->stream);
 676                 curl_global_cleanup();
 677         }
 678 #ifdef USE_PTHREAD
 679         pthread_exit(NULL);
 680 #else
 681         return NULL;
 682 #endif
 683 }
 684 static void download_file_cb(GtkWidget *widget, FancyViewer *viewer)
 685 {
 686 #ifdef USE_PTHREAD
 687         pthread_t curljob;
 688         gint result;
 689 #endif
 690         const gchar *link = (const gchar *)viewer->cur_link;
 691         gchar *filename = g_utf8_strchr(link, -1, g_utf8_get_char("/"));
 692         filename = g_strconcat(g_get_home_dir(), filename, NULL);
 693         gchar *fname = filesel_select_file_save(_("Save as"), filename);
 694         if (!fname) {
 695                 g_free(filename);
 696                 return;
 697         }
 698
 699         if (viewer->curlfile) viewer->curlfile = NULL;
 700         if (viewer->stream) viewer->stream = NULL;
 701         viewer->curlfile = (const gchar *)g_strdup(fname);
 702         g_free(filename);
 703         g_free(fname);
 704
 705         if (!viewer->curlfile) return;
 706
 707 #ifdef USE_PTHREAD
 708         result = pthread_create(&curljob, NULL, download_file_curl, (void *)viewer);
 709         if (result)
 710                 alertpanel_error("ERROR; return code from pthread_create() is %d\n", result);
 711 #else
 712         download_file_curl((void *)viewer);
 713 #endif
 714 }
 715
 716 static void save_image_cb(GtkWidget *widget, FancyViewer *viewer)
 717 {
 718         debug_print("Not Yet Implemented\n");
 719 }
 720
 721 static void open_image_cb(GtkWidget *widget, FancyViewer *viewer)
 722 {
 723         debug_print("Not Yet Implemented\n");
 724 }
 725
 726 static void copy_image_cb(GtkWidget *widget, FancyViewer *viewer)
 727 {
 728         debug_print("Not Yet Implemented\n");
 729 }
 730 static void import_feed_cb(GtkWidget *widget, FancyViewer *viewer)
 731 {
 732         if (!folder_subscribe(viewer->cur_link))
 733                 alertpanel_error(_("%s is a malformed or not supported feed"), viewer->cur_link);
 734 }
 735 static void viewer_menu_handler(GtkWidget *menuitem, FancyViewer *viewer)
 736 {
 737         const gchar *g_name = gtk_widget_get_name(GTK_WIDGET(menuitem));
 738         if (!g_ascii_strcasecmp(g_name, "GtkImageMenuItem")) {
 739
 740                 GtkWidget *menul = gtk_bin_get_child(GTK_BIN(menuitem));
 741
 742         if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 743                                 "Search the Web")) {
 744                         gtk_label_set_text(GTK_LABEL(menul), _("Search the Web"));
 745                         viewer->cur_link = NULL;
 746                         GtkImageMenuItem *m_search = GTK_IMAGE_MENU_ITEM(menuitem);
 747                         g_signal_connect(G_OBJECT(m_search), "activate",
 748                                          G_CALLBACK(search_the_web_cb),
 749                                          (gpointer *) viewer);
 750                 }
 751
 752                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 753                                         "Open Link" )) {
 754
 755                         gtk_label_set_text(GTK_LABEL(menul), _("Open in Viewer"));
 756
 757                         GtkImageMenuItem *m_new = GTK_IMAGE_MENU_ITEM(menuitem);
 758                         gtk_widget_set_sensitive(GTK_WIDGET(m_new), viewer->override_prefs_remote_content);
 759                 }
 760
 761                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 762                                                                 "Open Link in New Window" )) {
 763
 764                         gtk_label_set_text(GTK_LABEL(menul), _("Open in Browser"));
 765
 766                         GtkImageMenuItem *m_new = GTK_IMAGE_MENU_ITEM(menuitem);
 767                         g_signal_connect(G_OBJECT(m_new), "activate",
 768                                          G_CALLBACK(open_in_browser_cb),
 769                                          (gpointer *) viewer);
 770                 }
 771
 772                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 773                                         "Open Image in New Window" )) {
 774                         gtk_label_set_text(GTK_LABEL(menul), _("Open Image"));
 775                         GtkImageMenuItem *m_image = GTK_IMAGE_MENU_ITEM(menuitem);
 776                         g_signal_connect(G_OBJECT(m_image), "activate",
 777                                          G_CALLBACK(open_image_cb),
 778                                          (gpointer *) viewer);
 779                 }
 780
 781                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 782                                         "Copy Link Location" )) {
 783                         gtk_label_set_text(GTK_LABEL(menul), _("Copy Link"));
 784                 }
 785         if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 786                                 "Download Linked File" )) {
 787                         gtk_label_set_text(GTK_LABEL(menul), _("Download Link"));
 788
 789                         GtkImageMenuItem *m_dlink = GTK_IMAGE_MENU_ITEM(menuitem);
 790                         g_signal_connect(G_OBJECT(m_dlink), "activate",
 791                                          G_CALLBACK(download_file_cb),
 792                                          (gpointer *) viewer);
 793                 }
 794
 795                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 796                                         "Save Image As" )) {
 797
 798                         gtk_label_set_text(GTK_LABEL(menul), _("Save Image As"));
 799
 800                         GtkImageMenuItem *m_simage = GTK_IMAGE_MENU_ITEM(menuitem);
 801                         g_signal_connect(G_OBJECT(m_simage), "activate",
 802                                          G_CALLBACK(save_image_cb),
 803                                          (gpointer *) viewer);
 804                 }
 805
 806                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 807                                         "Copy Image" )) {
 808                         gtk_label_set_text(GTK_LABEL(menul), _("Copy Image"));
 809                         GtkImageMenuItem *m_cimage = GTK_IMAGE_MENU_ITEM(menuitem);
 810                         g_signal_connect(G_OBJECT(m_cimage), "activate",
 811                                          G_CALLBACK(copy_image_cb),
 812                                          (gpointer *) viewer);
 813                 }
 814
 815         }
 816 }
 817
 818 static gboolean context_menu_cb (WebKitWebView *view, GtkWidget *menu,
 819                 WebKitHitTestResult *hit_test_result,
 820                 gboolean triggered_with_keyboard,
 821                 gpointer user_data)
 822 {
 823         FancyViewer *viewer = (FancyViewer *)user_data;
 824         Plugin *plugin = plugin_get_loaded_by_name("RSSyl");
 825         WebKitHitTestResultContext context;
 826         gchar *link_uri = NULL;
 827
 828         g_object_get(G_OBJECT(hit_test_result),
 829                         "context", &context,
 830                         "link-uri", &link_uri,
 831                         NULL);
 832
 833         debug_print("context %d, link-uri '%s'\n", context,
 834                         (link_uri != NULL ? link_uri : "(null)"));
 835         if (context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK &&
 836                         link_uri != NULL) {
 837                 if (viewer->cur_link != NULL)
 838                         g_free(viewer->cur_link);
 839                 /* g_object_get() already made a copy, no need to strdup() here */
 840                 viewer->cur_link = link_uri;
 841         }
 842
 843         gtk_container_foreach(GTK_CONTAINER(menu),
 844                               (GtkCallback)viewer_menu_handler,
 845                               viewer);
 846
 847         if (plugin) {
 848                 GtkWidget *rssyl = gtk_image_menu_item_new_with_label(_("Import feed"));
 849                 GtkWidget *img = gtk_image_new_from_stock(GTK_STOCK_ADD, GTK_ICON_SIZE_MENU);
 850                 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(rssyl), img);
 851                 gtk_widget_show(GTK_WIDGET(rssyl));
 852                 gtk_menu_shell_append(GTK_MENU_SHELL(menu), rssyl);
 853                 g_signal_connect(G_OBJECT(rssyl), "activate",
 854                                  G_CALLBACK(import_feed_cb),
 855                                  (gpointer *) viewer);
 856         }
 857
 858         return FALSE;
 859 }
 860
 861 static gint keypress_events_cb (GtkWidget *widget, GdkEventKey *event,
 862                                                                 FancyViewer *viewer)
 863 {
 864         if (event->state == CTRL_KEY) {
 865                 switch (event->keyval) {
 866                 case GDK_KEY_plus:
 867                         zoom_in_cb(viewer->ev_zoom_in, NULL, viewer);
 868                         break;
 869                 case GDK_KEY_period:
 870                         zoom_100_cb(viewer->ev_zoom_100, NULL, viewer);
 871                         break;
 872                 case GDK_KEY_minus:
 873                         zoom_out_cb(viewer->ev_zoom_out, NULL, viewer);
 874                         break;
 875                 }
 876         }
 877         return FALSE;
 878 }
 879
 880 static gboolean release_button_cb (WebKitWebView *view, GdkEvent *ev,
 881                                    FancyViewer *viewer)
 882 {
 883         if (ev->button.button == 1 && viewer->cur_link && viewer->override_prefs_external) {
 884                 gint x, y;
 885                 WebKitHitTestResult *result;
 886                 result = webkit_web_view_get_hit_test_result(view, (GdkEventButton *)ev);
 887                 g_object_get(G_OBJECT(result),
 888                                 "x", &x, "y", &y,
 889                                 NULL);
 890
 891                 /* If this button release is end of a drag or selection event
 892                  * (button press happened on different coordinates), we do not
 893                  * want to open the link. */
 894                 if ((x != viewer->click_x || y != viewer->click_y))
 895                         return FALSE;
 896
 897                 open_uri(viewer->cur_link, prefs_common_get_uri_cmd());
 898                 return TRUE;
 899         }
 900         return FALSE;
 901 }
 902
 903 static gboolean press_button_cb (WebKitWebView *view, GdkEvent *ev,
 904                 FancyViewer *viewer)
 905 {
 906         gint type = 0;
 907         gchar *link = NULL;
 908
 909         WebKitHitTestResult *result =
 910                 webkit_web_view_get_hit_test_result(view, (GdkEventButton *)ev);
 911
 912         g_object_get(G_OBJECT(result),
 913                         "context", &type,
 914                         "x", &viewer->click_x,
 915                         "y", &viewer->click_y,
 916                         "link-uri", &link,
 917                         NULL);
 918
 919         if (type & WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION)
 920                 return FALSE;
 921
 922         if (viewer->cur_link) {
 923                 g_free(viewer->cur_link);
 924                 viewer->cur_link = NULL;
 925         }
 926         if (link != NULL) {
 927                 debug_print("press on %s\n", link);
 928                 viewer->cur_link = link; /* g_context returned a newly-allocated string */
 929         }
 930
 931         viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 932         viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 933         viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 934         if (viewer->selection != NULL)
 935                 webkit_dom_dom_selection_empty(viewer->selection);
 936         return FALSE;
 937 }
 938
 939 static void zoom_100_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 940 {
 941         gtk_widget_grab_focus(widget);
 942         webkit_web_view_set_zoom_level(viewer->view, 1);
 943 }
 944
 945 static void zoom_in_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 946 {
 947         gtk_widget_grab_focus(widget);
 948         webkit_web_view_zoom_in(viewer->view);
 949 }
 950 static void zoom_out_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 951 {
 952         gtk_widget_grab_focus(widget);
 953         webkit_web_view_zoom_out(viewer->view);
 954 }
 955
 956 static void resource_load_failed_cb(WebKitWebView     *web_view,
 957                                     WebKitWebFrame    *web_frame,
 958                                     WebKitWebResource *web_resource,
 959                                     GError            *error,
 960                                     FancyViewer       *viewer)
 961 {
 962         debug_print("Loading error: %s\n", error->message);
 963 }
 964
 965 static MimeViewer *fancy_viewer_create(void)
 966 {
 967         FancyViewer    *viewer;
 968         GtkWidget      *hbox;
 969
 970         debug_print("fancy_viewer_create\n");
 971
 972         viewer = g_new0(FancyViewer, 1);
 973         viewer->mimeviewer.factory = &fancy_viewer_factory;
 974         viewer->mimeviewer.get_widget = fancy_get_widget;
 975         viewer->mimeviewer.get_selection = fancy_get_selection;
 976         viewer->mimeviewer.show_mimepart = fancy_show_mimepart;
 977         viewer->mimeviewer.print = fancy_print;
 978         viewer->mimeviewer.clear_viewer = fancy_clear_viewer;
 979         viewer->mimeviewer.destroy_viewer = fancy_destroy_viewer;
 980         viewer->mimeviewer.text_search = fancy_text_search;
 981         viewer->mimeviewer.scroll_page = fancy_scroll_page;
 982         viewer->mimeviewer.scroll_one_line = fancy_scroll_one_line;
 983         viewer->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 984
 985 #ifdef HAVE_LIBSOUP_GNOME
 986  /* Use GNOME proxy settings through libproxy */
 987         if (fancy_prefs.enable_gnome_proxy) {
 988                 SoupSession *session = webkit_get_default_session();
 989                 soup_session_add_feature_by_type (session, SOUP_TYPE_PROXY_RESOLVER_GNOME);
 990         }
 991 #endif
 992
 993         if (fancy_prefs.enable_proxy) {
 994                 SoupSession *session = webkit_get_default_session();
 995                 SoupURI* pURI = soup_uri_new(fancy_prefs.proxy_str);
 996                 g_object_set(session, "proxy-uri", pURI, NULL);
 997         }
 998
 999         viewer->settings = webkit_web_settings_new();
1000         g_object_set(viewer->settings, "user-agent", "Fancy Viewer", NULL);
1001         viewer->scrollwin = gtk_scrolled_window_new(NULL, NULL);
1002         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(viewer->scrollwin),
1003                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1004         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(viewer->scrollwin),
1005                                             GTK_SHADOW_IN);
1006         gtk_container_add(GTK_CONTAINER(viewer->scrollwin),
1007                           GTK_WIDGET(viewer->view));
1008
1009         viewer->vbox = gtk_vbox_new(FALSE, 0);
1010         hbox = gtk_hbox_new(FALSE, 0);
1011         viewer->progress = gtk_progress_bar_new();
1012         /* Zoom Widgets */
1013         viewer->zoom_100 = gtk_image_new_from_stock(GTK_STOCK_ZOOM_100, GTK_ICON_SIZE_MENU);
1014         viewer->zoom_in = gtk_image_new_from_stock(GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU);
1015         viewer->zoom_out = gtk_image_new_from_stock(GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU);
1016         viewer->stop_loading = gtk_image_new_from_stock(GTK_STOCK_CANCEL, GTK_ICON_SIZE_MENU);
1017         /* Event Widgets for the Zoom Widgets  */
1018         viewer->ev_zoom_100 = gtk_event_box_new();
1019         viewer->ev_zoom_in = gtk_event_box_new();
1020         viewer->ev_zoom_out = gtk_event_box_new();
1021         viewer->ev_stop_loading = gtk_event_box_new();
1022
1023         /* Link Label */
1024         viewer->l_link = gtk_label_new("");
1025
1026         /* Preferences Widgets to override preferences on the fly  */
1027         viewer->fancy_prefs = gtk_image_new_from_stock(GTK_STOCK_PREFERENCES, GTK_ICON_SIZE_MENU);
1028         viewer->ev_fancy_prefs = gtk_event_box_new();
1029
1030         /* Popup Menu for preferences  */
1031         viewer->fancy_prefs_menu = gtk_menu_new();
1032         fancy_create_popup_prefs_menu(viewer);
1033
1034         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_100), FALSE);
1035         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_in), FALSE);
1036         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_out), FALSE);
1037         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_fancy_prefs), FALSE);
1038         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_stop_loading), FALSE);
1039
1040         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_100), viewer->zoom_100);
1041         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_in), viewer->zoom_in);
1042         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_out), viewer->zoom_out);
1043         gtk_container_add(GTK_CONTAINER(viewer->ev_fancy_prefs), viewer->fancy_prefs);
1044         gtk_container_add(GTK_CONTAINER(viewer->ev_stop_loading), viewer->stop_loading);
1045
1046         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_100, FALSE, FALSE, 1);
1047         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_in, FALSE, FALSE, 2);
1048         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_out, FALSE, FALSE, 2);
1049         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_fancy_prefs, FALSE, FALSE, 2);
1050         gtk_box_pack_start(GTK_BOX(hbox), viewer->l_link, FALSE, FALSE, 8);
1051         gtk_box_pack_end(GTK_BOX(hbox), viewer->progress, FALSE, FALSE, 0);
1052         gtk_box_pack_end(GTK_BOX(hbox), viewer->ev_stop_loading, FALSE, FALSE, 0);
1053
1054         gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->scrollwin, TRUE, TRUE,
1055                        1);
1056         gtk_box_pack_start(GTK_BOX(viewer->vbox), hbox, FALSE, FALSE, 0);
1057
1058         gtk_widget_show(viewer->ev_zoom_100);
1059         gtk_widget_show(viewer->ev_zoom_in);
1060         gtk_widget_show(viewer->ev_zoom_out);
1061         gtk_widget_show(viewer->ev_fancy_prefs);
1062
1063         gtk_widget_show(viewer->scrollwin);
1064         gtk_widget_show(viewer->zoom_100);
1065         gtk_widget_show(viewer->zoom_in);
1066         gtk_widget_show(viewer->zoom_out);
1067         gtk_widget_show(viewer->fancy_prefs);
1068         gtk_widget_show(viewer->stop_loading);
1069
1070         gtk_widget_show(viewer->l_link);
1071         gtk_widget_show(viewer->vbox);
1072         gtk_widget_show(hbox);
1073         gtk_widget_show(GTK_WIDGET(viewer->view));
1074
1075         g_signal_connect(G_OBJECT(viewer->view), "load-started",
1076                          G_CALLBACK(load_start_cb), viewer);
1077         g_signal_connect(G_OBJECT(viewer->view), "load-finished",
1078                          G_CALLBACK(load_finished_cb), viewer);
1079         g_signal_connect(G_OBJECT(viewer->view), "hovering-over-link",
1080                         G_CALLBACK(over_link_cb), viewer);
1081
1082         g_signal_connect(G_OBJECT(viewer->view), "notify::progress",
1083                          G_CALLBACK(load_progress_cb), viewer);
1084         g_signal_connect(G_OBJECT(viewer->view), "notify::load-status",
1085                          G_CALLBACK(load_progress_cb), viewer);
1086
1087         g_signal_connect(G_OBJECT(viewer->view), "navigation-policy-decision-requested",
1088                          G_CALLBACK(navigation_policy_cb), viewer);
1089
1090         g_signal_connect(G_OBJECT(viewer->view), "resource-request-starting",
1091                         G_CALLBACK(resource_request_starting_cb), viewer);
1092         g_signal_connect(G_OBJECT(viewer->view), "context-menu",
1093                         G_CALLBACK(context_menu_cb), viewer);
1094         g_signal_connect(G_OBJECT(viewer->view), "button-press-event",
1095                          G_CALLBACK(press_button_cb), viewer);
1096         g_signal_connect(G_OBJECT(viewer->view), "button-release-event",
1097                          G_CALLBACK(release_button_cb), viewer);
1098         g_signal_connect(G_OBJECT(viewer->ev_zoom_100), "button-press-event",
1099                          G_CALLBACK(zoom_100_cb), (gpointer*)viewer);
1100         g_signal_connect(G_OBJECT(viewer->ev_zoom_in), "button-press-event",
1101                          G_CALLBACK(zoom_in_cb), (gpointer *)viewer);
1102         g_signal_connect(G_OBJECT(viewer->ev_zoom_out), "button-press-event",
1103                          G_CALLBACK(zoom_out_cb), (gpointer *)viewer);
1104         g_signal_connect(G_OBJECT(viewer->ev_fancy_prefs), "button-press-event",
1105                          G_CALLBACK(fancy_prefs_cb), (gpointer *)viewer);
1106         g_signal_connect(G_OBJECT(viewer->ev_stop_loading), "button-press-event",
1107                          G_CALLBACK(stop_loading_cb), viewer);
1108         g_signal_connect(G_OBJECT(viewer->view), "key_press_event",
1109                          G_CALLBACK(keypress_events_cb), viewer);
1110
1111         g_signal_connect(G_OBJECT(viewer->view), "resource-load-failed",
1112                          G_CALLBACK(resource_load_failed_cb), viewer);
1113
1114         viewer->filename = NULL;
1115         return (MimeViewer *) viewer;
1116 }
1117
1118 static gchar *content_types[] = {"text/html", NULL};
1119
1120 static MimeViewerFactory fancy_viewer_factory =
1121 {
1122         content_types,
1123         0,
1124         fancy_viewer_create,
1125 };
1126
1127 gint plugin_init(gchar **error)
1128 {
1129         if (!check_plugin_version(MAKE_NUMERIC_VERSION(2,9,2,72),
1130                                   VERSION_NUMERIC, _("Fancy"), error))
1131                 return -1;
1132         gchar *directory = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1133                                 "fancy", NULL);
1134         if (!is_dir_exist(directory))
1135                 if (make_dir (directory) < 0) {
1136                         g_free(directory);
1137                         return -1;
1138                 }
1139         g_free(directory);
1140
1141         fancy_prefs_init();
1142
1143         mimeview_register_viewer_factory(&fancy_viewer_factory);
1144
1145         return 0;
1146 }
1147
1148 gboolean plugin_done(void)
1149 {
1150         mimeview_unregister_viewer_factory(&fancy_viewer_factory);
1151         fancy_prefs_done();
1152         return FALSE;
1153 }
1154
1155 const gchar *plugin_name(void)
1156 {
1157         /* i18n: 'Fancy' here is name of the plugin, not the english word. */
1158         return _("Fancy HTML Viewer");
1159 }
1160
1161 const gchar *plugin_desc(void)
1162 {
1163         return g_strdup_printf(_("This plugin renders HTML mail using the WebKit "
1164                                "%d.%d.%d library.\nBy default all remote content is "
1165                                "blocked. Options "
1166                                "can be found in /Configuration/Preferences/Plugins/Fancy"),
1167                                WEBKIT_MAJOR_VERSION, WEBKIT_MINOR_VERSION,
1168                                WEBKIT_MICRO_VERSION);
1169 }
1170
1171 const gchar *plugin_type(void)
1172 {
1173         return "GTK2";
1174 }
1175
1176 const gchar *plugin_licence(void)
1177 {
1178         return "GPL3";
1179 }
1180
1181 const gchar *plugin_version(void)
1182 {
1183         return VERSION;
1184 }
1185
1186 struct PluginFeature *plugin_provides(void)
1187 {
1188         static struct PluginFeature features[] = {
1189                                         {PLUGIN_MIMEVIEWER, "text/html"},
1190                                 {PLUGIN_NOTHING, NULL}
1191         };
1192         return features;
1193 }