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
 151         gchar *tmp;
 152 #ifdef G_OS_WIN32
 153         /* Replace backslashes with forward slashes, since we'll be
 154          * using this string in an URI. */
 155         gchar *tmp2 = g_strdup(fancy_prefs.stylesheet);
 156         subst_char(tmp2, '\\', '/');
 157
 158         /* Escape string for use in an URI, keeping dir separators
 159          * and colon for Windows drive name ("C:") intact. */
 160         tmp = g_uri_escape_string(tmp2, "/:", TRUE);
 161         g_free(tmp2);
 162 #else
 163         /* Escape string for use in an URI, keeping dir separators
 164          * intact. */
 165         tmp = g_uri_escape_string(fancy_prefs.stylesheet, "/", TRUE);
 166 #endif
 167         viewer->override_stylesheet = g_strconcat("file://", tmp, NULL);
 168         g_free(tmp);
 169         debug_print("Passing '%s' as stylesheet URI to Webkit\n",
 170                         viewer->override_stylesheet);
 171
 172         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_images),
 173                 fancy_auto_load_images_activated, viewer);
 174         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_remote_content),
 175                 fancy_enable_remote_content_activated, viewer);
 176         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_scripts),
 177                 fancy_enable_scripts_activated, viewer);
 178         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_plugins),
 179                 fancy_enable_plugins_activated, viewer);
 180         g_signal_handlers_block_by_func(G_OBJECT(viewer->enable_java),
 181                 fancy_enable_java_activated, viewer);
 182         g_signal_handlers_block_by_func(G_OBJECT(viewer->open_external),
 183                 fancy_open_external_activated, viewer);
 184
 185         gtk_check_menu_item_set_active(
 186                 GTK_CHECK_MENU_ITEM(viewer->enable_images),
 187                 viewer->override_prefs_images);
 188         gtk_check_menu_item_set_active(
 189                 GTK_CHECK_MENU_ITEM(viewer->enable_scripts),
 190                 viewer->override_prefs_scripts);
 191         gtk_check_menu_item_set_active(
 192                 GTK_CHECK_MENU_ITEM(viewer->enable_plugins),
 193                 viewer->override_prefs_plugins);
 194         gtk_check_menu_item_set_active(
 195                 GTK_CHECK_MENU_ITEM(viewer->enable_java),
 196                 viewer->override_prefs_java);
 197         gtk_check_menu_item_set_active(
 198                 GTK_CHECK_MENU_ITEM(viewer->enable_remote_content),
 199                 viewer->override_prefs_remote_content);
 200         gtk_check_menu_item_set_active(
 201                 GTK_CHECK_MENU_ITEM(viewer->open_external),
 202                 viewer->override_prefs_external);
 203
 204         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_images),
 205                 fancy_auto_load_images_activated, viewer);
 206         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_remote_content),
 207                 fancy_enable_remote_content_activated, viewer);
 208         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_scripts),
 209                 fancy_enable_scripts_activated, viewer);
 210         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_plugins),
 211                 fancy_enable_plugins_activated, viewer);
 212         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->enable_java),
 213                 fancy_enable_java_activated, viewer);
 214         g_signal_handlers_unblock_by_func(G_OBJECT(viewer->open_external),
 215                 fancy_open_external_activated, viewer);
 216
 217         fancy_apply_prefs(viewer);
 218 }
 219
 220 static gboolean fancy_set_contents(FancyViewer *viewer, gboolean use_defaults)
 221 {
 222         MessageView *messageview = ((MimeViewer *)viewer)->mimeview
 223                                         ? ((MimeViewer *)viewer)->mimeview->messageview
 224                                         : NULL;
 225         MimeInfo *partinfo = viewer->to_load;
 226
 227         if (messageview) {
 228                 messageview->updating = TRUE;
 229                 NoticeView *noticeview = messageview->noticeview;
 230                 noticeview_hide(noticeview);
 231         }
 232
 233         if (viewer->filename != NULL) {
 234                 g_unlink(viewer->filename);
 235                 g_free(viewer->filename);
 236                 viewer->filename = NULL;
 237         }
 238
 239         if (partinfo)
 240                 viewer->filename = procmime_get_tmp_file_name(partinfo);
 241         debug_print("filename: %s\n", viewer->filename);
 242         if (!viewer->filename) {
 243                 return FALSE;
 244         }
 245         if (procmime_get_part(viewer->filename, partinfo) < 0) {
 246                 g_free(viewer->filename);
 247                 viewer->filename = NULL;
 248         }
 249         else {
 250                 const gchar *charset = NULL;
 251                 gchar *contents = NULL;
 252                 if (messageview && messageview->forced_charset)
 253                         charset = ((MimeViewer *)viewer)->mimeview->messageview->forced_charset;
 254                 else
 255                         charset = procmime_mimeinfo_get_parameter(partinfo, "charset");
 256                 if (!charset)
 257                         charset = conv_get_locale_charset_str();
 258                 debug_print("using %s charset\n", charset);
 259                 g_object_set(viewer->settings, "default-encoding", charset, NULL);
 260
 261                 if (use_defaults) {
 262                         debug_print("zoom_level: %i\n", fancy_prefs.zoom_level);
 263                         webkit_web_view_set_zoom_level(viewer->view, (fancy_prefs.zoom_level / 100.0));
 264
 265                         fancy_set_defaults(viewer);
 266                 }
 267
 268                 contents = file_read_to_str_no_recode(viewer->filename);
 269                 webkit_web_view_load_string(viewer->view,
 270                                             contents,
 271                                             "text/html",
 272                                             charset,
 273                                             NULL);
 274                 g_free(contents);
 275         }
 276         viewer->loading = FALSE;
 277         return FALSE;
 278 }
 279
 280 static gboolean fancy_show_mimepart_real(MimeViewer *_viewer)
 281 {
 282         return fancy_set_contents((FancyViewer *)_viewer, TRUE);
 283 }
 284
 285 static void fancy_show_notice(FancyViewer *viewer, const gchar *message)
 286 {
 287         gtk_label_set_text(GTK_LABEL(viewer->l_link), message);
 288 }
 289
 290 static gboolean fancy_show_mimepart_prepare(MimeViewer *_viewer)
 291 {
 292         FancyViewer *viewer = (FancyViewer *) _viewer;
 293
 294         g_timeout_add(5, (GSourceFunc)fancy_show_mimepart_real, viewer);
 295         return FALSE;
 296 }
 297
 298 static void fancy_show_mimepart(MimeViewer *_viewer, const gchar *infile,
 299                                                                 MimeInfo *partinfo)
 300 {
 301         FancyViewer *viewer = (FancyViewer *) _viewer;
 302         viewer->to_load = partinfo;
 303         viewer->loading = TRUE;
 304         g_timeout_add(5, (GSourceFunc)fancy_show_mimepart_prepare, viewer);
 305 }
 306
 307 static void fancy_print(MimeViewer *_viewer)
 308 {
 309         FancyViewer *viewer = (FancyViewer *) _viewer;
 310         GtkPrintOperationResult res;
 311         GError *error = NULL;
 312         GtkPrintOperation *op;
 313
 314         gtk_widget_realize(GTK_WIDGET(viewer->view));
 315
 316         while (viewer->loading)
 317                 claws_do_idle();
 318
 319         op = gtk_print_operation_new();
 320
 321         /* Config for printing */
 322         gtk_print_operation_set_print_settings(op, printing_get_settings());
 323         gtk_print_operation_set_default_page_setup(op, printing_get_page_setup());
 324         /* enable Page Size and Orientation in the print dialog */
 325         gtk_print_operation_set_embed_page_setup(op, TRUE);
 326
 327         /* Start printing process */
 328         res = webkit_web_frame_print_full(webkit_web_view_get_main_frame(viewer->view),
 329                                           op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
 330                                           &error);
 331
 332         if (res == GTK_PRINT_OPERATION_RESULT_ERROR) {
 333                 gtk_print_operation_get_error(op, &error);
 334                 debug_print("Error printing message: %s\n",
 335                             error ? error->message : "no details");
 336         } else if (res == GTK_PRINT_OPERATION_RESULT_APPLY) {
 337                 /* store settings for next printing session */
 338                 printing_store_settings(gtk_print_operation_get_print_settings(op));
 339         }
 340 }
 341
 342 static gchar *fancy_get_selection (MimeViewer *_viewer)
 343 {
 344         debug_print("fancy_get_selection\n");
 345         FancyViewer *viewer = (FancyViewer *) _viewer;
 346 #if WEBKIT_CHECK_VERSION(1,5,1)
 347         viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 348         viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 349         viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 350         if (viewer->selection == NULL)
 351                 return NULL;
 352         viewer->range = webkit_dom_dom_selection_get_range_at(viewer->selection, 0, NULL);
 353         if (viewer->range == NULL)
 354                 return NULL;
 355         gchar *sel = webkit_dom_range_get_text (viewer->range);
 356 #else
 357         gchar *sel = webkit_web_view_get_selected_text(viewer->view);
 358 #endif
 359         if (!viewer->view || strlen(sel) == 0) {
 360                 g_free(sel);
 361                 return NULL;
 362         }
 363         return sel;
 364 }
 365
 366 static void fancy_clear_viewer(MimeViewer *_viewer)
 367 {
 368         FancyViewer *viewer = (FancyViewer *) _viewer;
 369         GtkAdjustment *vadj;
 370         viewer->cur_link = NULL;
 371         fancy_set_defaults(viewer);
 372
 373         webkit_web_view_load_uri(viewer->view, "about:blank");
 374
 375         debug_print("fancy_clear_viewer\n");
 376         fancy_prefs.zoom_level = webkit_web_view_get_zoom_level(viewer->view) * 100;
 377         viewer->to_load = NULL;
 378         vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
 379         gtk_adjustment_set_value(vadj, 0.0);
 380         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
 381 }
 382
 383 static void fancy_destroy_viewer(MimeViewer *_viewer)
 384 {
 385         FancyViewer *viewer = (FancyViewer *) _viewer;
 386         fancy_prefs.zoom_level = webkit_web_view_get_zoom_level(viewer->view) * 100;
 387         debug_print("fancy_destroy_viewer\n");
 388         g_free(viewer->filename);
 389         g_free(viewer);
 390 }
 391
 392 static gboolean
 393 navigation_policy_cb (WebKitWebView             *web_view,
 394                       WebKitWebFrame            *frame,
 395                       WebKitNetworkRequest      *request,
 396                       WebKitWebNavigationAction *navigation_action,
 397                       WebKitWebPolicyDecision   *policy_decision,
 398                       FancyViewer               *viewer)
 399 {
 400         const gchar *uri = webkit_network_request_get_uri(request);
 401
 402         debug_print("navigation requested to %s\n", uri);
 403
 404         if (!strncmp(uri, "mailto:", 7)) {
 405                 debug_print("Opening message window\n");
 406                 compose_new(NULL, uri + 7, NULL);
 407                 webkit_web_policy_decision_ignore(policy_decision);
 408         } else if (!strncmp(uri, "file://", 7) || !strcmp(uri, "about:blank")) {
 409                 debug_print("local navigation request ACCEPTED\n");
 410                 webkit_web_policy_decision_use(policy_decision);
 411         } else if (viewer->override_prefs_remote_content) {
 412                 debug_print("remote navigation request ACCEPTED\n");
 413                 webkit_web_policy_decision_use(policy_decision);
 414         } else {
 415                 debug_print("remote navigation request IGNORED\n");
 416                 fancy_show_notice(viewer, _("Remote content loading is disabled."));
 417                 webkit_web_policy_decision_ignore(policy_decision);
 418         }
 419
 420         return true;
 421 }
 422
 423 static void resource_request_starting_cb(WebKitWebView          *view,
 424                                          WebKitWebFrame         *frame,
 425                                          WebKitWebResource      *resource,
 426                                          WebKitNetworkRequest   *request,
 427                                          WebKitNetworkResponse  *response,
 428                                          FancyViewer            *viewer)
 429 {
 430         const gchar *uri = webkit_network_request_get_uri(request);
 431         gchar *filename;
 432         gchar *image;
 433         gint err;
 434         MimeInfo *partinfo = viewer->to_load;
 435
 436         filename = viewer->filename;
 437         if ((!g_ascii_strncasecmp(uri, "cid:", 4)) || (!g_ascii_strncasecmp(uri, "mid:", 4))) {
 438                 image = g_strconcat("<", uri + 4, ">", NULL);
 439                 while ((partinfo = procmime_mimeinfo_next(partinfo)) != NULL) {
 440                         if (!g_ascii_strcasecmp(image, partinfo->id)) {
 441                                 filename = procmime_get_tmp_file_name(partinfo);
 442                                 if (!filename) {
 443                                         g_free(image);
 444                                         return;
 445                                 }
 446                                 if ((err = procmime_get_part(filename, partinfo)) < 0)
 447                                         alertpanel_error(_("Couldn't save the part of multipart message: %s"),
 448                                                                                 g_strerror(-err));
 449                                 gchar *file_uri = g_filename_to_uri(filename, NULL, NULL);
 450                                 webkit_network_request_set_uri(request, file_uri);
 451                                 g_free(file_uri);
 452                                 g_free(filename);
 453                                 break;
 454                         }
 455                 }
 456                 g_free(image);
 457         }
 458
 459         /* refresh URI that may have changed */
 460         uri = webkit_network_request_get_uri(request);
 461         if (!viewer->override_prefs_remote_content
 462             && strncmp(uri, "file://", 7) && strncmp(uri, "data:", 5)) {
 463                 debug_print("Preventing load of %s\n", uri);
 464                 webkit_network_request_set_uri(request, "about:blank");
 465         }
 466         else
 467                 debug_print("Starting request of %zu %s\n", strlen(uri), uri);
 468 }
 469
 470 static gboolean fancy_text_search(MimeViewer *_viewer, gboolean backward,
 471                                   const gchar *str, gboolean case_sens)
 472 {
 473         return webkit_web_view_search_text(((FancyViewer*)_viewer)->view, str,
 474                                            case_sens, !backward, TRUE);
 475 }
 476
 477 static gboolean fancy_prefs_cb(GtkWidget *widget, GdkEventButton *ev, FancyViewer *viewer)
 478 {
 479         if ((ev->button == 1) && (ev->type == GDK_BUTTON_PRESS)) {
 480                 gtk_menu_popup(GTK_MENU(viewer->fancy_prefs_menu), NULL, NULL, NULL, NULL,
 481                                 ev->button, ev->time);
 482                 return TRUE;
 483         }
 484         return FALSE;
 485 }
 486
 487 static void fancy_create_popup_prefs_menu(FancyViewer *viewer) {
 488         GtkWidget *enable_images;
 489         GtkWidget *enable_remote_content;
 490         GtkWidget *enable_scripts;
 491         GtkWidget *enable_plugins;
 492         GtkWidget *enable_java;
 493         GtkWidget *open_external;
 494
 495         enable_images = gtk_check_menu_item_new_with_label(_("Load images"));
 496
 497         enable_remote_content = gtk_check_menu_item_new_with_label(_("Enable remote content"));
 498
 499         enable_scripts = gtk_check_menu_item_new_with_label(_("Enable Javascript"));
 500
 501         enable_plugins = gtk_check_menu_item_new_with_label(_("Enable Plugins"));
 502
 503         enable_java = gtk_check_menu_item_new_with_label(_("Enable Java"));
 504
 505         open_external = gtk_check_menu_item_new_with_label(_("Open links with external browser"));
 506
 507         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_images);
 508         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_remote_content);
 509         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_scripts);
 510         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_plugins);
 511         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), enable_java);
 512         gtk_menu_shell_append(GTK_MENU_SHELL(viewer->fancy_prefs_menu), open_external);
 513
 514         gtk_menu_attach_to_widget(GTK_MENU(viewer->fancy_prefs_menu), viewer->ev_fancy_prefs, NULL);
 515         gtk_widget_show_all(viewer->fancy_prefs_menu);
 516
 517         viewer->enable_images = enable_images;
 518         viewer->enable_scripts = enable_scripts;
 519         viewer->enable_plugins = enable_plugins;
 520         viewer->enable_java = enable_java;
 521         viewer->enable_remote_content = enable_remote_content;
 522         viewer->open_external = open_external;
 523
 524         /* Set sensitivity according to preferences and overrides */
 525
 526         g_signal_connect(G_OBJECT(enable_images), "toggled",
 527                          G_CALLBACK (fancy_auto_load_images_activated), viewer);
 528         g_signal_connect(G_OBJECT(enable_remote_content), "toggled",
 529                          G_CALLBACK (fancy_enable_remote_content_activated), viewer);
 530         g_signal_connect(G_OBJECT(enable_scripts), "toggled",
 531                          G_CALLBACK (fancy_enable_scripts_activated), viewer);
 532         g_signal_connect(G_OBJECT(enable_plugins), "toggled",
 533                          G_CALLBACK (fancy_enable_plugins_activated), viewer);
 534         g_signal_connect(G_OBJECT(enable_java), "toggled",
 535                          G_CALLBACK (fancy_enable_java_activated), viewer);
 536         g_signal_connect(G_OBJECT(open_external), "toggled",
 537                          G_CALLBACK (fancy_open_external_activated), viewer);
 538
 539         fancy_apply_prefs(viewer);
 540 }
 541
 542 static gboolean fancy_scroll_page(MimeViewer *_viewer, gboolean up)
 543 {
 544         FancyViewer *viewer = (FancyViewer *)_viewer;
 545         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
 546                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
 547
 548         if (viewer->view == NULL)
 549                 return FALSE;
 550
 551         return gtkutils_scroll_page(GTK_WIDGET(viewer->view), vadj, up);
 552 }
 553
 554 static void fancy_scroll_one_line(MimeViewer *_viewer, gboolean up)
 555 {
 556         FancyViewer *viewer = (FancyViewer *)_viewer;
 557         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
 558                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
 559
 560         if (viewer->view == NULL)
 561                 return;
 562
 563         gtkutils_scroll_one_line(GTK_WIDGET(viewer->view), vadj, up);
 564 }
 565
 566 static void load_start_cb(WebKitWebView *view, gint progress,
 567                           FancyViewer *viewer)
 568 {
 569         gtk_widget_show(viewer->progress);
 570         gtk_widget_show(viewer->ev_stop_loading);
 571 }
 572
 573 static void load_finished_cb(WebKitWebView *view, gint progress,
 574                              FancyViewer *viewer)
 575 {
 576         gtk_widget_hide(viewer->progress);
 577         gtk_widget_hide(viewer->ev_stop_loading);
 578         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(viewer->progress),
 579                                       (gdouble) 0.0);
 580         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(viewer->progress), "");
 581 }
 582
 583 static void over_link_cb(WebKitWebView *view, const gchar *wtf,
 584                 const gchar *link, FancyViewer *viewer, void *wtfa)
 585 {
 586         /* Display the link in the bottom statusbar. */
 587         gtk_label_set_text(GTK_LABEL(viewer->l_link), link);
 588 }
 589
 590 static void load_progress_cb(WebKitWebView *view, GParamSpec* pspec,
 591                              FancyViewer *viewer)
 592 {
 593         WebKitLoadStatus status = webkit_web_view_get_load_status(viewer->view);
 594         gdouble pbar = webkit_web_view_get_progress(viewer->view);
 595         const gchar *uri = webkit_web_view_get_uri(viewer->view);
 596
 597         gchar *label = g_strdup_printf("%d%% Loading...", (gint)(pbar * 100));
 598         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(viewer->progress), pbar);
 599         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(viewer->progress),
 600                                   (const gchar*)label);
 601         g_free(label);
 602
 603         switch (status) {
 604                 case WEBKIT_LOAD_PROVISIONAL:
 605                 case WEBKIT_LOAD_COMMITTED:
 606                 case WEBKIT_LOAD_FIRST_VISUALLY_NON_EMPTY_LAYOUT:
 607                         break;
 608                 case WEBKIT_LOAD_FAILED:
 609                         debug_print("Load failed: %s\n", uri);
 610                         break;
 611                 case WEBKIT_LOAD_FINISHED:
 612                         debug_print("Load finished: %s\n", uri);
 613                         break;
 614         }
 615 }
 616
 617 static void stop_loading_cb(GtkWidget *widget, GdkEvent *ev,
 618                                                         FancyViewer *viewer)
 619 {
 620         webkit_web_view_stop_loading (viewer->view);
 621         gtk_widget_hide(viewer->progress);
 622         gtk_widget_hide(viewer->ev_stop_loading);
 623 }
 624
 625 static void search_the_web_cb(GtkWidget *widget, FancyViewer *viewer)
 626 {
 627         debug_print("Clicked on Search on Web\n");
 628         if (webkit_web_view_has_selection(viewer->view)) {
 629                 gchar *search;
 630 #if WEBKIT_CHECK_VERSION(1,5,1)
 631                 viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 632                 viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 633                 viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 634                 viewer->range = webkit_dom_dom_selection_get_range_at(viewer->selection, 0, NULL);
 635                 gchar *tmp = webkit_dom_range_get_text (viewer->range);
 636 #else
 637                 gchar *tmp = webkit_web_view_get_selected_text(viewer->view);
 638 #endif
 639                 search = g_strconcat(GOOGLE_SEARCH, tmp, NULL);
 640
 641                 webkit_web_view_load_uri(viewer->view, search);
 642                 g_free(search);
 643                 g_free(tmp);
 644         }
 645 }
 646
 647 static void open_in_browser_cb(GtkWidget *widget, FancyViewer *viewer)
 648 {
 649         debug_print("open outer: %s\n", viewer->cur_link);
 650         if(viewer->cur_link)
 651                 open_uri(viewer->cur_link, prefs_common_get_uri_cmd());
 652 }
 653
 654 static size_t download_file_curl_write_cb(void *buffer, size_t size,
 655                                           size_t nmemb, void *data)
 656 {
 657         FancyViewer *viewer = (FancyViewer *)data;
 658         if (!viewer->stream) {
 659                 viewer->stream = fopen(viewer->curlfile, "wb");
 660                 if (!viewer->stream)
 661                         return -1;
 662         }
 663         return fwrite(buffer, size, nmemb, viewer->stream);
 664 }
 665 static void *download_file_curl (void *data)
 666 {
 667         CURL *curl;
 668         CURLcode res;
 669         FancyViewer *viewer = (FancyViewer *)data;
 670
 671         curl_global_init(CURL_GLOBAL_DEFAULT);
 672         curl = curl_easy_init();
 673
 674         if (curl) {
 675                 curl_easy_setopt(curl, CURLOPT_URL, viewer->cur_link);
 676                 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, download_file_curl_write_cb);
 677                 curl_easy_setopt(curl, CURLOPT_WRITEDATA, viewer);
 678                 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
 679                 res = curl_easy_perform(curl);
 680                 curl_easy_cleanup(curl);
 681
 682                 if (CURLE_OK != res)
 683                         alertpanel_error(_("An error occurred: %d\n"), res);
 684                 if (viewer->stream)
 685                         fclose(viewer->stream);
 686                 curl_global_cleanup();
 687         }
 688 #ifdef USE_PTHREAD
 689         pthread_exit(NULL);
 690 #else
 691         return NULL;
 692 #endif
 693 }
 694 static void download_file_cb(GtkWidget *widget, FancyViewer *viewer)
 695 {
 696 #ifdef USE_PTHREAD
 697         pthread_t curljob;
 698         gint result;
 699 #endif
 700         const gchar *link = (const gchar *)viewer->cur_link;
 701         gchar *filename = g_utf8_strchr(link, -1, g_utf8_get_char("/"));
 702         filename = g_strconcat(g_get_home_dir(), filename, NULL);
 703         gchar *fname = filesel_select_file_save(_("Save as"), filename);
 704
 705         if (viewer->curlfile) viewer->curlfile = NULL;
 706         if (viewer->stream) viewer->stream = NULL;
 707         viewer->curlfile = (const gchar *)g_strdup(fname);
 708         g_free(filename);
 709         g_free(fname);
 710
 711         if (!viewer->curlfile) return;
 712
 713 #ifdef USE_PTHREAD
 714         result = pthread_create(&curljob, NULL, download_file_curl, (void *)viewer);
 715         if (result)
 716                 alertpanel_error("ERROR; return code from pthread_create() is %d\n", result);
 717 #else
 718         download_file_curl((void *)viewer);
 719 #endif
 720 }
 721
 722 static void save_image_cb(GtkWidget *widget, FancyViewer *viewer)
 723 {
 724         debug_print("Not Yet Implemented\n");
 725 }
 726
 727 static void open_image_cb(GtkWidget *widget, FancyViewer *viewer)
 728 {
 729         debug_print("Not Yet Implemented\n");
 730 }
 731
 732 static void copy_image_cb(GtkWidget *widget, FancyViewer *viewer)
 733 {
 734         debug_print("Not Yet Implemented\n");
 735 }
 736 static void import_feed_cb(GtkWidget *widget, FancyViewer *viewer)
 737 {
 738         if (!folder_subscribe(viewer->cur_link))
 739                 alertpanel_error(_("%s is a malformed or not supported feed"), viewer->cur_link);
 740 }
 741 static void viewer_menu_handler(GtkWidget *menuitem, FancyViewer *viewer)
 742 {
 743         const gchar *g_name = gtk_widget_get_name(GTK_WIDGET(menuitem));
 744         if (!g_ascii_strcasecmp(g_name, "GtkImageMenuItem")) {
 745
 746                 GtkWidget *menul = gtk_bin_get_child(GTK_BIN(menuitem));
 747
 748         if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 749                                 "Search the Web")) {
 750                         gtk_label_set_text(GTK_LABEL(menul), _("Search the Web"));
 751                         viewer->cur_link = NULL;
 752                         GtkImageMenuItem *m_search = GTK_IMAGE_MENU_ITEM(menuitem);
 753                         g_signal_connect(G_OBJECT(m_search), "activate",
 754                                          G_CALLBACK(search_the_web_cb),
 755                                          (gpointer *) viewer);
 756                 }
 757
 758                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 759                                         "Open Link" )) {
 760
 761                         if (viewer->override_prefs_remote_content)
 762                                 gtk_label_set_text(GTK_LABEL(menul), _("Open in Viewer"));
 763                         else
 764                                 gtk_label_set_text(GTK_LABEL(menul), _("Open in Viewer (enable remote content)"));
 765
 766                         GtkImageMenuItem *m_new = GTK_IMAGE_MENU_ITEM(menuitem);
 767                         gtk_widget_set_sensitive(GTK_WIDGET(m_new), viewer->override_prefs_remote_content);
 768                 }
 769
 770                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 771                                                                 "Open Link in New Window" )) {
 772
 773                         gtk_label_set_text(GTK_LABEL(menul), _("Open in Browser"));
 774
 775                         GtkImageMenuItem *m_new = GTK_IMAGE_MENU_ITEM(menuitem);
 776                         g_signal_connect(G_OBJECT(m_new), "activate",
 777                                          G_CALLBACK(open_in_browser_cb),
 778                                          (gpointer *) viewer);
 779                 }
 780
 781                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 782                                         "Open Image in New Window" )) {
 783                         gtk_label_set_text(GTK_LABEL(menul), _("Open Image"));
 784                         GtkImageMenuItem *m_image = GTK_IMAGE_MENU_ITEM(menuitem);
 785                         g_signal_connect(G_OBJECT(m_image), "activate",
 786                                          G_CALLBACK(open_image_cb),
 787                                          (gpointer *) viewer);
 788                 }
 789
 790                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 791                                         "Copy Link Location" )) {
 792                         gtk_label_set_text(GTK_LABEL(menul), _("Copy Link"));
 793                 }
 794         if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 795                                 "Download Linked File" )) {
 796                         gtk_label_set_text(GTK_LABEL(menul), _("Download Link"));
 797
 798                         GtkImageMenuItem *m_dlink = GTK_IMAGE_MENU_ITEM(menuitem);
 799                         g_signal_connect(G_OBJECT(m_dlink), "activate",
 800                                          G_CALLBACK(download_file_cb),
 801                                          (gpointer *) viewer);
 802                 }
 803
 804                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 805                                         "Save Image As" )) {
 806
 807                         gtk_label_set_text(GTK_LABEL(menul), _("Save Image As"));
 808
 809                         GtkImageMenuItem *m_simage = GTK_IMAGE_MENU_ITEM(menuitem);
 810                         g_signal_connect(G_OBJECT(m_simage), "activate",
 811                                          G_CALLBACK(save_image_cb),
 812                                          (gpointer *) viewer);
 813                 }
 814
 815                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 816                                         "Copy Image" )) {
 817                         gtk_label_set_text(GTK_LABEL(menul), _("Copy Image"));
 818                         GtkImageMenuItem *m_cimage = GTK_IMAGE_MENU_ITEM(menuitem);
 819                         g_signal_connect(G_OBJECT(m_cimage), "activate",
 820                                          G_CALLBACK(copy_image_cb),
 821                                          (gpointer *) viewer);
 822                 }
 823
 824         }
 825 }
 826
 827 static gboolean context_menu_cb (WebKitWebView *view, GtkWidget *menu,
 828                 WebKitHitTestResult *hit_test_result,
 829                 gboolean triggered_with_keyboard,
 830                 gpointer user_data)
 831 {
 832         FancyViewer *viewer = (FancyViewer *)user_data;
 833         Plugin *plugin = plugin_get_loaded_by_name("RSSyl");
 834         WebKitHitTestResultContext context;
 835         gchar *link_uri = NULL;
 836
 837         g_object_get(G_OBJECT(hit_test_result),
 838                         "context", &context,
 839                         "link-uri", &link_uri,
 840                         NULL);
 841
 842         debug_print("context %d, link-uri '%s'\n", context,
 843                         (link_uri != NULL ? link_uri : "(null)"));
 844         if (context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK &&
 845                         link_uri != NULL) {
 846                 if (viewer->cur_link != NULL)
 847                         g_free(viewer->cur_link);
 848                 /* g_object_get() already made a copy, no need to strdup() here */
 849                 viewer->cur_link = link_uri;
 850         }
 851
 852         gtk_container_foreach(GTK_CONTAINER(menu),
 853                               (GtkCallback)viewer_menu_handler,
 854                               viewer);
 855
 856         if (plugin) {
 857                 GtkWidget *rssyl = gtk_image_menu_item_new_with_label(_("Import feed"));
 858                 GtkWidget *img = gtk_image_new_from_stock(GTK_STOCK_ADD, GTK_ICON_SIZE_MENU);
 859                 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(rssyl), img);
 860                 gtk_widget_show(GTK_WIDGET(rssyl));
 861                 gtk_menu_shell_append(GTK_MENU_SHELL(menu), rssyl);
 862                 g_signal_connect(G_OBJECT(rssyl), "activate",
 863                                  G_CALLBACK(import_feed_cb),
 864                                  (gpointer *) viewer);
 865         }
 866
 867         return FALSE;
 868 }
 869
 870 static gint keypress_events_cb (GtkWidget *widget, GdkEventKey *event,
 871                                                                 FancyViewer *viewer)
 872 {
 873         if (event->state == CTRL_KEY) {
 874                 switch (event->keyval) {
 875                 case GDK_KEY_plus:
 876                         zoom_in_cb(viewer->ev_zoom_in, NULL, viewer);
 877                         break;
 878                 case GDK_KEY_period:
 879                         zoom_100_cb(viewer->ev_zoom_100, NULL, viewer);
 880                         break;
 881                 case GDK_KEY_minus:
 882                         zoom_out_cb(viewer->ev_zoom_out, NULL, viewer);
 883                         break;
 884                 }
 885         }
 886         return FALSE;
 887 }
 888
 889 static gboolean release_button_cb (WebKitWebView *view, GdkEvent *ev,
 890                                    FancyViewer *viewer)
 891 {
 892         if (ev->button.button == 1 && viewer->cur_link && viewer->override_prefs_external) {
 893 #if WEBKIT_CHECK_VERSION(1,9,3)
 894                 /* The x and y properties were added in 1.9.3 */
 895                 gint x, y;
 896                 WebKitHitTestResult *result;
 897                 result = webkit_web_view_get_hit_test_result(view, (GdkEventButton *)ev);
 898                 g_object_get(G_OBJECT(result),
 899                                 "x", &x, "y", &y,
 900                                 NULL);
 901
 902                 /* If this button release is end of a drag or selection event
 903                  * (button press happened on different coordinates), we do not
 904                  * want to open the link. */
 905                 if ((x != viewer->click_x || y != viewer->click_y))
 906                         return FALSE;
 907 #endif
 908
 909                 open_uri(viewer->cur_link, prefs_common_get_uri_cmd());
 910                 return TRUE;
 911         }
 912         return FALSE;
 913 }
 914
 915 static gboolean press_button_cb (WebKitWebView *view, GdkEvent *ev,
 916                 FancyViewer *viewer)
 917 {
 918 #if WEBKIT_CHECK_VERSION(1,5,1)
 919         gint type = 0;
 920         WebKitHitTestResult *result =
 921                 webkit_web_view_get_hit_test_result(view, (GdkEventButton *)ev);
 922
 923         g_object_get(G_OBJECT(result),
 924                         "context", &type,
 925 # if WEBKIT_CHECK_VERSION(1,9,3)
 926                         "x", &viewer->click_x, "y", &viewer->click_y,
 927 # endif /* 1.9.3 */
 928                         NULL);
 929
 930         if (type & WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION)
 931                 return FALSE;
 932
 933         viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 934         viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 935         viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 936         if (viewer->selection != NULL)
 937                 webkit_dom_dom_selection_empty(viewer->selection);
 938 #endif /* 1.5.1 */
 939         return FALSE;
 940 }
 941
 942 static void zoom_100_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 943 {
 944         gtk_widget_grab_focus(widget);
 945         webkit_web_view_set_zoom_level(viewer->view, 1);
 946 }
 947
 948 static void zoom_in_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 949 {
 950         gtk_widget_grab_focus(widget);
 951         webkit_web_view_zoom_in(viewer->view);
 952 }
 953 static void zoom_out_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 954 {
 955         gtk_widget_grab_focus(widget);
 956         webkit_web_view_zoom_out(viewer->view);
 957 }
 958
 959 #if WEBKIT_CHECK_VERSION (1,7,5)
 960 static void resource_load_failed_cb(WebKitWebView     *web_view,
 961                                     WebKitWebFrame    *web_frame,
 962                                     WebKitWebResource *web_resource,
 963                                     GError            *error,
 964                                     FancyViewer       *viewer)
 965 {
 966         debug_print("Loading error: %s\n", error->message);
 967 }
 968 #endif
 969
 970 static MimeViewer *fancy_viewer_create(void)
 971 {
 972         FancyViewer    *viewer;
 973         GtkWidget      *hbox;
 974
 975         debug_print("fancy_viewer_create\n");
 976
 977         viewer = g_new0(FancyViewer, 1);
 978         viewer->mimeviewer.factory = &fancy_viewer_factory;
 979         viewer->mimeviewer.get_widget = fancy_get_widget;
 980         viewer->mimeviewer.get_selection = fancy_get_selection;
 981         viewer->mimeviewer.show_mimepart = fancy_show_mimepart;
 982         viewer->mimeviewer.print = fancy_print;
 983         viewer->mimeviewer.clear_viewer = fancy_clear_viewer;
 984         viewer->mimeviewer.destroy_viewer = fancy_destroy_viewer;
 985         viewer->mimeviewer.text_search = fancy_text_search;
 986         viewer->mimeviewer.scroll_page = fancy_scroll_page;
 987         viewer->mimeviewer.scroll_one_line = fancy_scroll_one_line;
 988         viewer->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 989
 990 #ifdef HAVE_LIBSOUP_GNOME
 991  /* Use GNOME proxy settings through libproxy */
 992         if (fancy_prefs.enable_gnome_proxy) {
 993                 SoupSession *session = webkit_get_default_session();
 994                 soup_session_add_feature_by_type (session, SOUP_TYPE_PROXY_RESOLVER_GNOME);
 995         }
 996 #endif
 997
 998         if (fancy_prefs.enable_proxy) {
 999                 SoupSession *session = webkit_get_default_session();
1000                 SoupURI* pURI = soup_uri_new(fancy_prefs.proxy_str);
1001                 g_object_set(session, "proxy-uri", pURI, NULL);
1002         }
1003
1004         viewer->settings = webkit_web_settings_new();
1005         g_object_set(viewer->settings, "user-agent", "Fancy Viewer", NULL);
1006         viewer->scrollwin = gtk_scrolled_window_new(NULL, NULL);
1007         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(viewer->scrollwin),
1008                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1009         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(viewer->scrollwin),
1010                                             GTK_SHADOW_IN);
1011         gtk_container_add(GTK_CONTAINER(viewer->scrollwin),
1012                           GTK_WIDGET(viewer->view));
1013
1014         viewer->vbox = gtk_vbox_new(FALSE, 0);
1015         hbox = gtk_hbox_new(FALSE, 0);
1016         viewer->progress = gtk_progress_bar_new();
1017         /* Zoom Widgets */
1018         viewer->zoom_100 = gtk_image_new_from_stock(GTK_STOCK_ZOOM_100, GTK_ICON_SIZE_MENU);
1019         viewer->zoom_in = gtk_image_new_from_stock(GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU);
1020         viewer->zoom_out = gtk_image_new_from_stock(GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU);
1021         viewer->stop_loading = gtk_image_new_from_stock(GTK_STOCK_CANCEL, GTK_ICON_SIZE_MENU);
1022         /* Event Widgets for the Zoom Widgets  */
1023         viewer->ev_zoom_100 = gtk_event_box_new();
1024         viewer->ev_zoom_in = gtk_event_box_new();
1025         viewer->ev_zoom_out = gtk_event_box_new();
1026         viewer->ev_stop_loading = gtk_event_box_new();
1027
1028         /* Link Label */
1029         viewer->l_link = gtk_label_new("");
1030
1031         /* Preferences Widgets to override preferences on the fly  */
1032         viewer->fancy_prefs = gtk_image_new_from_stock(GTK_STOCK_PREFERENCES, GTK_ICON_SIZE_MENU);
1033         viewer->ev_fancy_prefs = gtk_event_box_new();
1034
1035         /* Popup Menu for preferences  */
1036         viewer->fancy_prefs_menu = gtk_menu_new();
1037         fancy_create_popup_prefs_menu(viewer);
1038
1039         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_100), FALSE);
1040         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_in), FALSE);
1041         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_out), FALSE);
1042         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_fancy_prefs), FALSE);
1043         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_stop_loading), FALSE);
1044
1045         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_100), viewer->zoom_100);
1046         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_in), viewer->zoom_in);
1047         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_out), viewer->zoom_out);
1048         gtk_container_add(GTK_CONTAINER(viewer->ev_fancy_prefs), viewer->fancy_prefs);
1049         gtk_container_add(GTK_CONTAINER(viewer->ev_stop_loading), viewer->stop_loading);
1050
1051         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_100, FALSE, FALSE, 1);
1052         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_in, FALSE, FALSE, 2);
1053         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_out, FALSE, FALSE, 2);
1054         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_fancy_prefs, FALSE, FALSE, 2);
1055         gtk_box_pack_start(GTK_BOX(hbox), viewer->l_link, FALSE, FALSE, 8);
1056         gtk_box_pack_end(GTK_BOX(hbox), viewer->progress, FALSE, FALSE, 0);
1057         gtk_box_pack_end(GTK_BOX(hbox), viewer->ev_stop_loading, FALSE, FALSE, 0);
1058
1059         gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->scrollwin, TRUE, TRUE,
1060                        1);
1061         gtk_box_pack_start(GTK_BOX(viewer->vbox), hbox, FALSE, FALSE, 0);
1062
1063         gtk_widget_show(viewer->ev_zoom_100);
1064         gtk_widget_show(viewer->ev_zoom_in);
1065         gtk_widget_show(viewer->ev_zoom_out);
1066         gtk_widget_show(viewer->ev_fancy_prefs);
1067
1068         gtk_widget_show(viewer->scrollwin);
1069         gtk_widget_show(viewer->zoom_100);
1070         gtk_widget_show(viewer->zoom_in);
1071         gtk_widget_show(viewer->zoom_out);
1072         gtk_widget_show(viewer->fancy_prefs);
1073         gtk_widget_show(viewer->stop_loading);
1074
1075         gtk_widget_show(viewer->l_link);
1076         gtk_widget_show(viewer->vbox);
1077         gtk_widget_show(hbox);
1078         gtk_widget_show(GTK_WIDGET(viewer->view));
1079
1080         g_signal_connect(G_OBJECT(viewer->view), "load-started",
1081                          G_CALLBACK(load_start_cb), viewer);
1082         g_signal_connect(G_OBJECT(viewer->view), "load-finished",
1083                          G_CALLBACK(load_finished_cb), viewer);
1084         g_signal_connect(G_OBJECT(viewer->view), "hovering-over-link",
1085                         G_CALLBACK(over_link_cb), viewer);
1086
1087         g_signal_connect(G_OBJECT(viewer->view), "notify::progress",
1088                          G_CALLBACK(load_progress_cb), viewer);
1089         g_signal_connect(G_OBJECT(viewer->view), "notify::load-status",
1090                          G_CALLBACK(load_progress_cb), viewer);
1091
1092         g_signal_connect(G_OBJECT(viewer->view), "navigation-policy-decision-requested",
1093                          G_CALLBACK(navigation_policy_cb), viewer);
1094
1095         g_signal_connect(G_OBJECT(viewer->view), "resource-request-starting",
1096                         G_CALLBACK(resource_request_starting_cb), viewer);
1097         g_signal_connect(G_OBJECT(viewer->view), "context-menu",
1098                         G_CALLBACK(context_menu_cb), viewer);
1099         g_signal_connect(G_OBJECT(viewer->view), "button-press-event",
1100                          G_CALLBACK(press_button_cb), viewer);
1101         g_signal_connect(G_OBJECT(viewer->view), "button-release-event",
1102                          G_CALLBACK(release_button_cb), viewer);
1103         g_signal_connect(G_OBJECT(viewer->ev_zoom_100), "button-press-event",
1104                          G_CALLBACK(zoom_100_cb), (gpointer*)viewer);
1105         g_signal_connect(G_OBJECT(viewer->ev_zoom_in), "button-press-event",
1106                          G_CALLBACK(zoom_in_cb), (gpointer *)viewer);
1107         g_signal_connect(G_OBJECT(viewer->ev_zoom_out), "button-press-event",
1108                          G_CALLBACK(zoom_out_cb), (gpointer *)viewer);
1109         g_signal_connect(G_OBJECT(viewer->ev_fancy_prefs), "button-press-event",
1110                          G_CALLBACK(fancy_prefs_cb), (gpointer *)viewer);
1111         g_signal_connect(G_OBJECT(viewer->ev_stop_loading), "button-press-event",
1112                          G_CALLBACK(stop_loading_cb), viewer);
1113         g_signal_connect(G_OBJECT(viewer->view), "key_press_event",
1114                          G_CALLBACK(keypress_events_cb), viewer);
1115
1116 #if WEBKIT_CHECK_VERSION (1,7,5)
1117         g_signal_connect(G_OBJECT(viewer->view), "resource-load-failed",
1118                          G_CALLBACK(resource_load_failed_cb), viewer);
1119 #endif
1120
1121         viewer->filename = NULL;
1122         return (MimeViewer *) viewer;
1123 }
1124
1125 static gchar *content_types[] = {"text/html", NULL};
1126
1127 static MimeViewerFactory fancy_viewer_factory =
1128 {
1129         content_types,
1130         0,
1131         fancy_viewer_create,
1132 };
1133
1134 gint plugin_init(gchar **error)
1135 {
1136         if (!check_plugin_version(MAKE_NUMERIC_VERSION(2,9,2,72),
1137                                   VERSION_NUMERIC, _("Fancy"), error))
1138                 return -1;
1139         gchar *directory = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1140                                 "fancy", NULL);
1141         if (!is_dir_exist(directory))
1142                 if (make_dir (directory) < 0) {
1143                         g_free(directory);
1144                         return -1;
1145                 }
1146         g_free(directory);
1147
1148         fancy_prefs_init();
1149
1150         mimeview_register_viewer_factory(&fancy_viewer_factory);
1151
1152         return 0;
1153 }
1154
1155 gboolean plugin_done(void)
1156 {
1157         mimeview_unregister_viewer_factory(&fancy_viewer_factory);
1158         fancy_prefs_done();
1159         return FALSE;
1160 }
1161
1162 const gchar *plugin_name(void)
1163 {
1164         /* i18n: 'Fancy' here is name of the plugin, not the english word. */
1165         return _("Fancy HTML Viewer");
1166 }
1167
1168 const gchar *plugin_desc(void)
1169 {
1170         return g_strdup_printf(_("This plugin renders HTML mail using the WebKit "
1171                                "%d.%d.%d library.\nBy default all remote content is "
1172                                "blocked. Options "
1173                                "can be found in /Configuration/Preferences/Plugins/Fancy"),
1174                                WEBKIT_MAJOR_VERSION, WEBKIT_MINOR_VERSION,
1175                                WEBKIT_MICRO_VERSION);
1176 }
1177
1178 const gchar *plugin_type(void)
1179 {
1180         return "GTK2";
1181 }
1182
1183 const gchar *plugin_licence(void)
1184 {
1185         return "GPL3";
1186 }
1187
1188 const gchar *plugin_version(void)
1189 {
1190         return VERSION;
1191 }
1192
1193 struct PluginFeature *plugin_provides(void)
1194 {
1195         static struct PluginFeature features[] = {
1196                                         {PLUGIN_MIMEVIEWER, "text/html"},
1197                                 {PLUGIN_NOTHING, NULL}
1198         };
1199         return features;
1200 }