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 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 #if WEBKIT_CHECK_VERSION(1,5,1)
 624                 viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 625                 viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 626                 viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 627                 viewer->range = webkit_dom_dom_selection_get_range_at(viewer->selection, 0, NULL);
 628                 gchar *tmp = webkit_dom_range_get_text (viewer->range);
 629 #else
 630                 gchar *tmp = webkit_web_view_get_selected_text(viewer->view);
 631 #endif
 632                 search = g_strconcat(GOOGLE_SEARCH, tmp, NULL);
 633
 634                 webkit_web_view_load_uri(viewer->view, search);
 635                 g_free(search);
 636                 g_free(tmp);
 637         }
 638 }
 639
 640 static void open_in_browser_cb(GtkWidget *widget, FancyViewer *viewer)
 641 {
 642         debug_print("open outer: %s\n", viewer->cur_link);
 643         if(viewer->cur_link)
 644                 open_uri(viewer->cur_link, prefs_common_get_uri_cmd());
 645 }
 646
 647 static size_t download_file_curl_write_cb(void *buffer, size_t size,
 648                                           size_t nmemb, void *data)
 649 {
 650         FancyViewer *viewer = (FancyViewer *)data;
 651         if (!viewer->stream) {
 652                 viewer->stream = fopen(viewer->curlfile, "wb");
 653                 if (!viewer->stream)
 654                         return -1;
 655         }
 656         return fwrite(buffer, size, nmemb, viewer->stream);
 657 }
 658 static void *download_file_curl (void *data)
 659 {
 660         CURL *curl;
 661         CURLcode res;
 662         FancyViewer *viewer = (FancyViewer *)data;
 663
 664         curl_global_init(CURL_GLOBAL_DEFAULT);
 665         curl = curl_easy_init();
 666
 667         if (curl) {
 668                 curl_easy_setopt(curl, CURLOPT_URL, viewer->cur_link);
 669                 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, download_file_curl_write_cb);
 670                 curl_easy_setopt(curl, CURLOPT_WRITEDATA, viewer);
 671                 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
 672                 res = curl_easy_perform(curl);
 673                 curl_easy_cleanup(curl);
 674
 675                 if (CURLE_OK != res)
 676                         alertpanel_error(_("An error occurred: %d\n"), res);
 677                 if (viewer->stream)
 678                         fclose(viewer->stream);
 679                 curl_global_cleanup();
 680         }
 681 #ifdef USE_PTHREAD
 682         pthread_exit(NULL);
 683 #else
 684         return NULL;
 685 #endif
 686 }
 687 static void download_file_cb(GtkWidget *widget, FancyViewer *viewer)
 688 {
 689 #ifdef USE_PTHREAD
 690         pthread_t curljob;
 691         gint result;
 692 #endif
 693         const gchar *link = (const gchar *)viewer->cur_link;
 694         gchar *filename = g_utf8_strchr(link, -1, g_utf8_get_char("/"));
 695         filename = g_strconcat(g_get_home_dir(), filename, NULL);
 696         gchar *fname = filesel_select_file_save(_("Save as"), filename);
 697
 698         if (viewer->curlfile) viewer->curlfile = NULL;
 699         if (viewer->stream) viewer->stream = NULL;
 700         viewer->curlfile = (const gchar *)g_strdup(fname);
 701         g_free(filename);
 702         g_free(fname);
 703
 704         if (!viewer->curlfile) return;
 705
 706 #ifdef USE_PTHREAD
 707         result = pthread_create(&curljob, NULL, download_file_curl, (void *)viewer);
 708         if (result)
 709                 alertpanel_error("ERROR; return code from pthread_create() is %d\n", result);
 710 #else
 711         download_file_curl((void *)viewer);
 712 #endif
 713 }
 714
 715 static void save_image_cb(GtkWidget *widget, FancyViewer *viewer)
 716 {
 717         debug_print("Not Yet Implemented\n");
 718 }
 719
 720 static void open_image_cb(GtkWidget *widget, FancyViewer *viewer)
 721 {
 722         debug_print("Not Yet Implemented\n");
 723 }
 724
 725 static void copy_image_cb(GtkWidget *widget, FancyViewer *viewer)
 726 {
 727         debug_print("Not Yet Implemented\n");
 728 }
 729 static void import_feed_cb(GtkWidget *widget, FancyViewer *viewer)
 730 {
 731         if (!folder_subscribe(viewer->cur_link))
 732                 alertpanel_error(_("%s is a malformed or not supported feed"), viewer->cur_link);
 733 }
 734 static void viewer_menu_handler(GtkWidget *menuitem, FancyViewer *viewer)
 735 {
 736         const gchar *g_name = gtk_widget_get_name(GTK_WIDGET(menuitem));
 737         if (!g_ascii_strcasecmp(g_name, "GtkImageMenuItem")) {
 738
 739                 GtkWidget *menul = gtk_bin_get_child(GTK_BIN(menuitem));
 740
 741         if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 742                                 "Search the Web")) {
 743                         gtk_label_set_text(GTK_LABEL(menul), _("Search the Web"));
 744                         viewer->cur_link = NULL;
 745                         GtkImageMenuItem *m_search = GTK_IMAGE_MENU_ITEM(menuitem);
 746                         g_signal_connect(G_OBJECT(m_search), "activate",
 747                                          G_CALLBACK(search_the_web_cb),
 748                                          (gpointer *) viewer);
 749                 }
 750
 751                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 752                                         "Open Link" )) {
 753
 754                         if (viewer->override_prefs_remote_content)
 755                                 gtk_label_set_text(GTK_LABEL(menul), _("Open in Viewer"));
 756                         else
 757                                 gtk_label_set_text(GTK_LABEL(menul), _("Open in Viewer (enable remote content)"));
 758
 759                         GtkImageMenuItem *m_new = GTK_IMAGE_MENU_ITEM(menuitem);
 760                         gtk_widget_set_sensitive(GTK_WIDGET(m_new), viewer->override_prefs_remote_content);
 761                 }
 762
 763                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 764                                                                 "Open Link in New Window" )) {
 765
 766                         gtk_label_set_text(GTK_LABEL(menul), _("Open in Browser"));
 767
 768                         GtkImageMenuItem *m_new = GTK_IMAGE_MENU_ITEM(menuitem);
 769                         g_signal_connect(G_OBJECT(m_new), "activate",
 770                                          G_CALLBACK(open_in_browser_cb),
 771                                          (gpointer *) viewer);
 772                 }
 773
 774                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 775                                         "Open Image in New Window" )) {
 776                         gtk_label_set_text(GTK_LABEL(menul), _("Open Image"));
 777                         GtkImageMenuItem *m_image = GTK_IMAGE_MENU_ITEM(menuitem);
 778                         g_signal_connect(G_OBJECT(m_image), "activate",
 779                                          G_CALLBACK(open_image_cb),
 780                                          (gpointer *) viewer);
 781                 }
 782
 783                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 784                                         "Copy Link Location" )) {
 785                         gtk_label_set_text(GTK_LABEL(menul), _("Copy Link"));
 786                 }
 787         if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 788                                 "Download Linked File" )) {
 789                         gtk_label_set_text(GTK_LABEL(menul), _("Download Link"));
 790
 791                         GtkImageMenuItem *m_dlink = GTK_IMAGE_MENU_ITEM(menuitem);
 792                         g_signal_connect(G_OBJECT(m_dlink), "activate",
 793                                          G_CALLBACK(download_file_cb),
 794                                          (gpointer *) viewer);
 795                 }
 796
 797                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 798                                         "Save Image As" )) {
 799
 800                         gtk_label_set_text(GTK_LABEL(menul), _("Save Image As"));
 801
 802                         GtkImageMenuItem *m_simage = GTK_IMAGE_MENU_ITEM(menuitem);
 803                         g_signal_connect(G_OBJECT(m_simage), "activate",
 804                                          G_CALLBACK(save_image_cb),
 805                                          (gpointer *) viewer);
 806                 }
 807
 808                 if (!g_ascii_strcasecmp(gtk_label_get_text(GTK_LABEL(menul)),
 809                                         "Copy Image" )) {
 810                         gtk_label_set_text(GTK_LABEL(menul), _("Copy Image"));
 811                         GtkImageMenuItem *m_cimage = GTK_IMAGE_MENU_ITEM(menuitem);
 812                         g_signal_connect(G_OBJECT(m_cimage), "activate",
 813                                          G_CALLBACK(copy_image_cb),
 814                                          (gpointer *) viewer);
 815                 }
 816
 817         }
 818 }
 819
 820 static gboolean context_menu_cb (WebKitWebView *view, GtkWidget *menu,
 821                 WebKitHitTestResult *hit_test_result,
 822                 gboolean triggered_with_keyboard,
 823                 gpointer user_data)
 824 {
 825         FancyViewer *viewer = (FancyViewer *)user_data;
 826         Plugin *plugin = plugin_get_loaded_by_name("RSSyl");
 827         WebKitHitTestResultContext context;
 828         gchar *link_uri = NULL;
 829
 830         g_object_get(G_OBJECT(hit_test_result),
 831                         "context", &context,
 832                         "link-uri", &link_uri,
 833                         NULL);
 834
 835         debug_print("context %d, link-uri '%s'\n", context,
 836                         (link_uri != NULL ? link_uri : "(null)"));
 837         if (context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK &&
 838                         link_uri != NULL) {
 839                 if (viewer->cur_link != NULL)
 840                         g_free(viewer->cur_link);
 841                 /* g_object_get() already made a copy, no need to strdup() here */
 842                 viewer->cur_link = link_uri;
 843         }
 844
 845         gtk_container_foreach(GTK_CONTAINER(menu),
 846                               (GtkCallback)viewer_menu_handler,
 847                               viewer);
 848
 849         if (plugin) {
 850                 GtkWidget *rssyl = gtk_image_menu_item_new_with_label(_("Import feed"));
 851                 GtkWidget *img = gtk_image_new_from_stock(GTK_STOCK_ADD, GTK_ICON_SIZE_MENU);
 852                 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(rssyl), img);
 853                 gtk_widget_show(GTK_WIDGET(rssyl));
 854                 gtk_menu_shell_append(GTK_MENU_SHELL(menu), rssyl);
 855                 g_signal_connect(G_OBJECT(rssyl), "activate",
 856                                  G_CALLBACK(import_feed_cb),
 857                                  (gpointer *) viewer);
 858         }
 859
 860         return FALSE;
 861 }
 862
 863 static gint keypress_events_cb (GtkWidget *widget, GdkEventKey *event,
 864                                                                 FancyViewer *viewer)
 865 {
 866         if (event->state == CTRL_KEY) {
 867                 switch (event->keyval) {
 868                 case GDK_KEY_plus:
 869                         zoom_in_cb(viewer->ev_zoom_in, NULL, viewer);
 870                         break;
 871                 case GDK_KEY_period:
 872                         zoom_100_cb(viewer->ev_zoom_100, NULL, viewer);
 873                         break;
 874                 case GDK_KEY_minus:
 875                         zoom_out_cb(viewer->ev_zoom_out, NULL, viewer);
 876                         break;
 877                 }
 878         }
 879         return FALSE;
 880 }
 881
 882 static gboolean release_button_cb (WebKitWebView *view, GdkEvent *ev,
 883                                    FancyViewer *viewer)
 884 {
 885         if (ev->button.button == 1 && viewer->cur_link && viewer->override_prefs_external) {
 886 #if WEBKIT_CHECK_VERSION(1,9,3)
 887                 /* The x and y properties were added in 1.9.3 */
 888                 gint x, y;
 889                 WebKitHitTestResult *result;
 890                 result = webkit_web_view_get_hit_test_result(view, (GdkEventButton *)ev);
 891                 g_object_get(G_OBJECT(result),
 892                                 "x", &x, "y", &y,
 893                                 NULL);
 894
 895                 /* If this button release is end of a drag or selection event
 896                  * (button press happened on different coordinates), we do not
 897                  * want to open the link. */
 898                 if ((x != viewer->click_x || y != viewer->click_y))
 899                         return FALSE;
 900 #endif
 901
 902                 open_uri(viewer->cur_link, prefs_common_get_uri_cmd());
 903                 return TRUE;
 904         }
 905         return FALSE;
 906 }
 907
 908 static gboolean press_button_cb (WebKitWebView *view, GdkEvent *ev,
 909                 FancyViewer *viewer)
 910 {
 911 #if WEBKIT_CHECK_VERSION(1,5,1)
 912         gint type = 0;
 913         WebKitHitTestResult *result =
 914                 webkit_web_view_get_hit_test_result(view, (GdkEventButton *)ev);
 915
 916         g_object_get(G_OBJECT(result),
 917                         "context", &type,
 918 # if WEBKIT_CHECK_VERSION(1,9,3)
 919                         "x", &viewer->click_x, "y", &viewer->click_y,
 920 # endif /* 1.9.3 */
 921                         NULL);
 922
 923         if (type & WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION)
 924                 return FALSE;
 925
 926         viewer->doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(viewer->view));
 927         viewer->window = webkit_dom_document_get_default_view (viewer->doc);
 928         viewer->selection = webkit_dom_dom_window_get_selection (viewer->window);
 929         if (viewer->selection != NULL)
 930                 webkit_dom_dom_selection_empty(viewer->selection);
 931 #endif /* 1.5.1 */
 932         return FALSE;
 933 }
 934
 935 static void zoom_100_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 936 {
 937         gtk_widget_grab_focus(widget);
 938         webkit_web_view_set_zoom_level(viewer->view, 1);
 939 }
 940
 941 static void zoom_in_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 942 {
 943         gtk_widget_grab_focus(widget);
 944         webkit_web_view_zoom_in(viewer->view);
 945 }
 946 static void zoom_out_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
 947 {
 948         gtk_widget_grab_focus(widget);
 949         webkit_web_view_zoom_out(viewer->view);
 950 }
 951
 952 #if WEBKIT_CHECK_VERSION (1,7,5)
 953 static void resource_load_failed_cb(WebKitWebView     *web_view,
 954                                     WebKitWebFrame    *web_frame,
 955                                     WebKitWebResource *web_resource,
 956                                     GError            *error,
 957                                     FancyViewer       *viewer)
 958 {
 959         debug_print("Loading error: %s\n", error->message);
 960 }
 961 #endif
 962
 963 static MimeViewer *fancy_viewer_create(void)
 964 {
 965         FancyViewer    *viewer;
 966         GtkWidget      *hbox;
 967
 968         debug_print("fancy_viewer_create\n");
 969
 970         viewer = g_new0(FancyViewer, 1);
 971         viewer->mimeviewer.factory = &fancy_viewer_factory;
 972         viewer->mimeviewer.get_widget = fancy_get_widget;
 973         viewer->mimeviewer.get_selection = fancy_get_selection;
 974         viewer->mimeviewer.show_mimepart = fancy_show_mimepart;
 975         viewer->mimeviewer.print = fancy_print;
 976         viewer->mimeviewer.clear_viewer = fancy_clear_viewer;
 977         viewer->mimeviewer.destroy_viewer = fancy_destroy_viewer;
 978         viewer->mimeviewer.text_search = fancy_text_search;
 979         viewer->mimeviewer.scroll_page = fancy_scroll_page;
 980         viewer->mimeviewer.scroll_one_line = fancy_scroll_one_line;
 981         viewer->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 982
 983 #ifdef HAVE_LIBSOUP_GNOME
 984  /* Use GNOME proxy settings through libproxy */
 985         if (fancy_prefs.enable_gnome_proxy) {
 986                 SoupSession *session = webkit_get_default_session();
 987                 soup_session_add_feature_by_type (session, SOUP_TYPE_PROXY_RESOLVER_GNOME);
 988         }
 989 #endif
 990
 991         if (fancy_prefs.enable_proxy) {
 992                 SoupSession *session = webkit_get_default_session();
 993                 SoupURI* pURI = soup_uri_new(fancy_prefs.proxy_str);
 994                 g_object_set(session, "proxy-uri", pURI, NULL);
 995         }
 996
 997         viewer->settings = webkit_web_settings_new();
 998         g_object_set(viewer->settings, "user-agent", "Fancy Viewer", NULL);
 999         viewer->scrollwin = gtk_scrolled_window_new(NULL, NULL);
1000         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(viewer->scrollwin),
1001                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1002         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(viewer->scrollwin),
1003                                             GTK_SHADOW_IN);
1004         gtk_container_add(GTK_CONTAINER(viewer->scrollwin),
1005                           GTK_WIDGET(viewer->view));
1006
1007         viewer->vbox = gtk_vbox_new(FALSE, 0);
1008         hbox = gtk_hbox_new(FALSE, 0);
1009         viewer->progress = gtk_progress_bar_new();
1010         /* Zoom Widgets */
1011         viewer->zoom_100 = gtk_image_new_from_stock(GTK_STOCK_ZOOM_100, GTK_ICON_SIZE_MENU);
1012         viewer->zoom_in = gtk_image_new_from_stock(GTK_STOCK_ZOOM_IN, GTK_ICON_SIZE_MENU);
1013         viewer->zoom_out = gtk_image_new_from_stock(GTK_STOCK_ZOOM_OUT, GTK_ICON_SIZE_MENU);
1014         viewer->stop_loading = gtk_image_new_from_stock(GTK_STOCK_CANCEL, GTK_ICON_SIZE_MENU);
1015         /* Event Widgets for the Zoom Widgets  */
1016         viewer->ev_zoom_100 = gtk_event_box_new();
1017         viewer->ev_zoom_in = gtk_event_box_new();
1018         viewer->ev_zoom_out = gtk_event_box_new();
1019         viewer->ev_stop_loading = gtk_event_box_new();
1020
1021         /* Link Label */
1022         viewer->l_link = gtk_label_new("");
1023
1024         /* Preferences Widgets to override preferences on the fly  */
1025         viewer->fancy_prefs = gtk_image_new_from_stock(GTK_STOCK_PREFERENCES, GTK_ICON_SIZE_MENU);
1026         viewer->ev_fancy_prefs = gtk_event_box_new();
1027
1028         /* Popup Menu for preferences  */
1029         viewer->fancy_prefs_menu = gtk_menu_new();
1030         fancy_create_popup_prefs_menu(viewer);
1031
1032         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_100), FALSE);
1033         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_in), FALSE);
1034         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_zoom_out), FALSE);
1035         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_fancy_prefs), FALSE);
1036         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->ev_stop_loading), FALSE);
1037
1038         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_100), viewer->zoom_100);
1039         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_in), viewer->zoom_in);
1040         gtk_container_add(GTK_CONTAINER(viewer->ev_zoom_out), viewer->zoom_out);
1041         gtk_container_add(GTK_CONTAINER(viewer->ev_fancy_prefs), viewer->fancy_prefs);
1042         gtk_container_add(GTK_CONTAINER(viewer->ev_stop_loading), viewer->stop_loading);
1043
1044         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_100, FALSE, FALSE, 1);
1045         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_in, FALSE, FALSE, 2);
1046         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_zoom_out, FALSE, FALSE, 2);
1047         gtk_box_pack_start(GTK_BOX(hbox), viewer->ev_fancy_prefs, FALSE, FALSE, 2);
1048         gtk_box_pack_start(GTK_BOX(hbox), viewer->l_link, FALSE, FALSE, 8);
1049         gtk_box_pack_end(GTK_BOX(hbox), viewer->progress, FALSE, FALSE, 0);
1050         gtk_box_pack_end(GTK_BOX(hbox), viewer->ev_stop_loading, FALSE, FALSE, 0);
1051
1052         gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->scrollwin, TRUE, TRUE,
1053                        1);
1054         gtk_box_pack_start(GTK_BOX(viewer->vbox), hbox, FALSE, FALSE, 0);
1055
1056         gtk_widget_show(viewer->ev_zoom_100);
1057         gtk_widget_show(viewer->ev_zoom_in);
1058         gtk_widget_show(viewer->ev_zoom_out);
1059         gtk_widget_show(viewer->ev_fancy_prefs);
1060
1061         gtk_widget_show(viewer->scrollwin);
1062         gtk_widget_show(viewer->zoom_100);
1063         gtk_widget_show(viewer->zoom_in);
1064         gtk_widget_show(viewer->zoom_out);
1065         gtk_widget_show(viewer->fancy_prefs);
1066         gtk_widget_show(viewer->stop_loading);
1067
1068         gtk_widget_show(viewer->l_link);
1069         gtk_widget_show(viewer->vbox);
1070         gtk_widget_show(hbox);
1071         gtk_widget_show(GTK_WIDGET(viewer->view));
1072
1073         g_signal_connect(G_OBJECT(viewer->view), "load-started",
1074                          G_CALLBACK(load_start_cb), viewer);
1075         g_signal_connect(G_OBJECT(viewer->view), "load-finished",
1076                          G_CALLBACK(load_finished_cb), viewer);
1077
1078         g_signal_connect(G_OBJECT(viewer->view), "notify::progress",
1079                          G_CALLBACK(load_progress_cb), viewer);
1080         g_signal_connect(G_OBJECT(viewer->view), "notify::load-status",
1081                          G_CALLBACK(load_progress_cb), viewer);
1082
1083         g_signal_connect(G_OBJECT(viewer->view), "navigation-policy-decision-requested",
1084                          G_CALLBACK(navigation_policy_cb), viewer);
1085
1086         g_signal_connect(G_OBJECT(viewer->view), "resource-request-starting",
1087                         G_CALLBACK(resource_request_starting_cb), viewer);
1088         g_signal_connect(G_OBJECT(viewer->view), "context-menu",
1089                         G_CALLBACK(context_menu_cb), viewer);
1090         g_signal_connect(G_OBJECT(viewer->view), "button-press-event",
1091                          G_CALLBACK(press_button_cb), viewer);
1092         g_signal_connect(G_OBJECT(viewer->view), "button-release-event",
1093                          G_CALLBACK(release_button_cb), viewer);
1094         g_signal_connect(G_OBJECT(viewer->ev_zoom_100), "button-press-event",
1095                          G_CALLBACK(zoom_100_cb), (gpointer*)viewer);
1096         g_signal_connect(G_OBJECT(viewer->ev_zoom_in), "button-press-event",
1097                          G_CALLBACK(zoom_in_cb), (gpointer *)viewer);
1098         g_signal_connect(G_OBJECT(viewer->ev_zoom_out), "button-press-event",
1099                          G_CALLBACK(zoom_out_cb), (gpointer *)viewer);
1100         g_signal_connect(G_OBJECT(viewer->ev_fancy_prefs), "button-press-event",
1101                          G_CALLBACK(fancy_prefs_cb), (gpointer *)viewer);
1102         g_signal_connect(G_OBJECT(viewer->ev_stop_loading), "button-press-event",
1103                          G_CALLBACK(stop_loading_cb), viewer);
1104         g_signal_connect(G_OBJECT(viewer->view), "key_press_event",
1105                          G_CALLBACK(keypress_events_cb), viewer);
1106
1107 #if WEBKIT_CHECK_VERSION (1,7,5)
1108         g_signal_connect(G_OBJECT(viewer->view), "resource-load-failed",
1109                          G_CALLBACK(resource_load_failed_cb), viewer);
1110 #endif
1111
1112         viewer->filename = NULL;
1113         return (MimeViewer *) viewer;
1114 }
1115
1116 static gchar *content_types[] = {"text/html", NULL};
1117
1118 static MimeViewerFactory fancy_viewer_factory =
1119 {
1120         content_types,
1121         0,
1122         fancy_viewer_create,
1123 };
1124
1125 gint plugin_init(gchar **error)
1126 {
1127         if (!check_plugin_version(MAKE_NUMERIC_VERSION(2,9,2,72),
1128                                   VERSION_NUMERIC, _("Fancy"), error))
1129                 return -1;
1130         gchar *directory = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1131                                 "fancy", NULL);
1132         if (!is_dir_exist(directory))
1133                 if (make_dir (directory) < 0) {
1134                         g_free(directory);
1135                         return -1;
1136                 }
1137         g_free(directory);
1138
1139         fancy_prefs_init();
1140
1141         mimeview_register_viewer_factory(&fancy_viewer_factory);
1142
1143         return 0;
1144 }
1145
1146 gboolean plugin_done(void)
1147 {
1148         mimeview_unregister_viewer_factory(&fancy_viewer_factory);
1149         fancy_prefs_done();
1150         return FALSE;
1151 }
1152
1153 const gchar *plugin_name(void)
1154 {
1155         /* i18n: 'Fancy' here is name of the plugin, not the english word. */
1156         return _("Fancy HTML Viewer");
1157 }
1158
1159 const gchar *plugin_desc(void)
1160 {
1161         return g_strdup_printf(_("This plugin renders HTML mail using the WebKit "
1162                                "%d.%d.%d library.\nBy default all remote content is "
1163                                "blocked. Options "
1164                                "can be found in /Configuration/Preferences/Plugins/Fancy"),
1165                                WEBKIT_MAJOR_VERSION, WEBKIT_MINOR_VERSION,
1166                                WEBKIT_MICRO_VERSION);
1167 }
1168
1169 const gchar *plugin_type(void)
1170 {
1171         return "GTK2";
1172 }
1173
1174 const gchar *plugin_licence(void)
1175 {
1176         return "GPL3";
1177 }
1178
1179 const gchar *plugin_version(void)
1180 {
1181         return VERSION;
1182 }
1183
1184 struct PluginFeature *plugin_provides(void)
1185 {
1186         static struct PluginFeature features[] = {
1187                                         {PLUGIN_MIMEVIEWER, "text/html"},
1188                                 {PLUGIN_NOTHING, NULL}
1189         };
1190         return features;
1191 }