browser.c

   1 #include <limits.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <fcntl.h>
   7 #include <string.h>
   8
   9 #include <gtk/gtk.h>
  10 #include <gtk/gtkx.h>
  11 #include <gdk/gdkkeysyms.h>
  12 #include <gio/gio.h>
  13 #include <webkit2/webkit2.h>
  14 #include <JavaScriptCore/JavaScript.h>
  15
  16
  17 void client_destroy(GtkWidget *, gpointer);
  18 WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean,
  19                           gboolean);
  20 WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  21                                   gpointer);
  22 void cooperation_setup(void);
  23 void changed_download_progress(GObject *, GParamSpec *, gpointer);
  24 void changed_load_progress(GObject *, GParamSpec *, gpointer);
  25 void changed_favicon(GObject *, GParamSpec *, gpointer);
  26 void changed_title(GObject *, GParamSpec *, gpointer);
  27 void changed_uri(GObject *, GParamSpec *, gpointer);
  28 gboolean crashed_web_view(WebKitWebView *, gpointer);
  29 gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  30                        WebKitPolicyDecisionType, gpointer);
  31 gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  32 void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
  33 void downloadmanager_cancel(GtkToolButton *, gpointer);
  34 gboolean downloadmanager_delete(GtkWidget *, gpointer);
  35 void downloadmanager_setup(void);
  36 gchar *ensure_uri_scheme(const gchar *);
  37 void grab_environment_configuration(void);
  38 void grab_feeds_finished(GObject *, GAsyncResult *, gpointer);
  39 void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  40 void icon_location(GtkEntry *, GtkEntryIconPosition, GdkEvent *, gpointer);
  41 gboolean key_common(GtkWidget *, GdkEvent *, gpointer);
  42 gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  43 gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  44 gboolean key_tablabel(GtkWidget *, GdkEvent *, gpointer);
  45 gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  46 void mainwindow_setup(void);
  47 void mainwindow_title(gint);
  48 void notebook_switch_page(GtkNotebook *, GtkWidget *, guint, gpointer);
  49 gboolean quit_if_nothing_active(void);
  50 gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  51 void run_user_scripts(WebKitWebView *);
  52 void search(gpointer, gint);
  53 void show_web_view(WebKitWebView *, gpointer);
  54 void trust_user_certs(WebKitWebContext *);
  55
  56
  57 struct Client
  58 {
  59     gchar *external_handler_uri;
  60     gchar *hover_uri;
  61     gchar *feed_html;
  62     GtkWidget *location;
  63     GtkWidget *tabicon;
  64     GtkWidget *tablabel;
  65     GtkWidget *vbox;
  66     GtkWidget *web_view;
  67     gboolean focus_new_tab;
  68 };
  69
  70 struct MainWindow
  71 {
  72     GtkWidget *win;
  73     GtkWidget *notebook;
  74 } mw;
  75
  76 struct DownloadManager
  77 {
  78     GtkWidget *scroll;
  79     GtkWidget *toolbar;
  80     GtkWidget *win;
  81 } dm;
  82
  83
  84 const gchar *accepted_language[2] = { NULL, NULL };
  85 gint clients = 0, downloads = 0;
  86 gboolean cooperative_alone = TRUE;
  87 gboolean cooperative_instances = TRUE;
  88 int cooperative_pipe_fp = 0;
  89 gchar *download_dir = "/var/tmp";
  90 gboolean enable_console_to_stdout = FALSE;
  91 gchar *fifo_suffix = "main";
  92 gdouble global_zoom = 1.0;
  93 gchar *history_file = NULL;
  94 gchar *home_uri = "about:blank";
  95 gboolean initial_wc_setup_done = FALSE;
  96 gchar *search_text = NULL;
  97 GtkPositionType tab_pos = GTK_POS_TOP;
  98 gint tab_width_chars = 20;
  99 gchar *user_agent = NULL;
 100
 101
 102 void
 103 client_destroy(GtkWidget *widget, gpointer data)
 104 {
 105     struct Client *c = (struct Client *)data;
 106     gint idx;
 107
 108     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
 109                                          changed_load_progress, c);
 110
 111     idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
 112     if (idx == -1)
 113         fprintf(stderr, __NAME__": Tab index was -1, bamboozled\n");
 114     else
 115         gtk_notebook_remove_page(GTK_NOTEBOOK(mw.notebook), idx);
 116
 117     free(c);
 118     clients--;
 119
 120     quit_if_nothing_active();
 121 }
 122
 123 WebKitWebView *
 124 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show,
 125            gboolean focus_tab)
 126 {
 127     struct Client *c;
 128     WebKitWebContext *wc;
 129     gchar *f;
 130     GtkWidget *evbox, *tabbox;
 131
 132     if (uri != NULL && cooperative_instances && !cooperative_alone)
 133     {
 134         f = ensure_uri_scheme(uri);
 135         write(cooperative_pipe_fp, f, strlen(f));
 136         write(cooperative_pipe_fp, "\n", 1);
 137         g_free(f);
 138         return NULL;
 139     }
 140
 141     c = calloc(1, sizeof(struct Client));
 142     if (!c)
 143     {
 144         fprintf(stderr, __NAME__": fatal: calloc failed\n");
 145         exit(EXIT_FAILURE);
 146     }
 147
 148     c->focus_new_tab = focus_tab;
 149
 150     if (related_wv == NULL)
 151         c->web_view = webkit_web_view_new();
 152     else
 153         c->web_view = webkit_web_view_new_with_related_view(related_wv);
 154     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 155
 156     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 157     g_signal_connect(G_OBJECT(c->web_view), "notify::favicon",
 158                      G_CALLBACK(changed_favicon), c);
 159     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 160                      G_CALLBACK(changed_title), c);
 161     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 162                      G_CALLBACK(changed_uri), c);
 163     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 164                      G_CALLBACK(changed_load_progress), c);
 165     g_signal_connect(G_OBJECT(c->web_view), "create",
 166                      G_CALLBACK(client_new_request), NULL);
 167     g_signal_connect(G_OBJECT(c->web_view), "close",
 168                      G_CALLBACK(client_destroy), c);
 169     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 170                      G_CALLBACK(decide_policy), NULL);
 171     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 172                      G_CALLBACK(key_web_view), c);
 173     g_signal_connect(G_OBJECT(c->web_view), "button-release-event",
 174                      G_CALLBACK(key_web_view), c);
 175     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 176                      G_CALLBACK(key_web_view), c);
 177     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 178                      G_CALLBACK(hover_web_view), c);
 179     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 180                      G_CALLBACK(crashed_web_view), c);
 181
 182     if (!initial_wc_setup_done)
 183     {
 184         if (accepted_language[0] != NULL)
 185             webkit_web_context_set_preferred_languages(wc, accepted_language);
 186
 187         g_signal_connect(G_OBJECT(wc), "download-started",
 188                          G_CALLBACK(download_handle_start), NULL);
 189
 190         trust_user_certs(wc);
 191
 192         webkit_web_context_set_favicon_database_directory(wc, NULL);
 193
 194         initial_wc_setup_done = TRUE;
 195     }
 196
 197     if (user_agent != NULL)
 198         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 199                      "user-agent", user_agent, NULL);
 200
 201     if (enable_console_to_stdout)
 202         webkit_settings_set_enable_write_console_messages_to_stdout(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 203
 204     webkit_settings_set_enable_developer_extras(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 205
 206     c->location = gtk_entry_new();
 207     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 208                      G_CALLBACK(key_location), c);
 209     g_signal_connect(G_OBJECT(c->location), "icon-release",
 210                      G_CALLBACK(icon_location), c);
 211     /* XXX This is a workaround. Setting this to NULL (which is done in
 212      * grab_feeds_finished() if no feed has been detected) adds a little
 213      * padding left of the text. Not sure why. The point of this call
 214      * right here is to have that padding right from the start. This
 215      * avoids a graphical artifact. */
 216     gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 217                                       GTK_ENTRY_ICON_PRIMARY,
 218                                       NULL);
 219
 220     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 221     gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 222     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 223
 224     c->tabicon = gtk_image_new_from_icon_name("text-html", GTK_ICON_SIZE_SMALL_TOOLBAR);
 225
 226     c->tablabel = gtk_label_new(__NAME__);
 227     gtk_label_set_ellipsize(GTK_LABEL(c->tablabel), PANGO_ELLIPSIZE_END);
 228     gtk_label_set_width_chars(GTK_LABEL(c->tablabel), tab_width_chars);
 229     gtk_widget_set_has_tooltip(c->tablabel, TRUE);
 230
 231     /* XXX I don't own a HiDPI screen, so I don't know if scale_factor
 232      * does the right thing. */
 233     tabbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,
 234                          5 * gtk_widget_get_scale_factor(mw.win));
 235     gtk_box_pack_start(GTK_BOX(tabbox), c->tabicon, FALSE, FALSE, 0);
 236     gtk_box_pack_start(GTK_BOX(tabbox), c->tablabel, TRUE, TRUE, 0);
 237
 238     evbox = gtk_event_box_new();
 239     gtk_container_add(GTK_CONTAINER(evbox), tabbox);
 240     g_signal_connect(G_OBJECT(evbox), "button-release-event",
 241                      G_CALLBACK(key_tablabel), c);
 242
 243     gtk_widget_add_events(evbox, GDK_SCROLL_MASK);
 244     g_signal_connect(G_OBJECT(evbox), "scroll-event",
 245                      G_CALLBACK(key_tablabel), c);
 246
 247     /* For easy access, store a reference to our label. */
 248     g_object_set_data(G_OBJECT(evbox), "lariza-tab-label", c->tablabel);
 249
 250     /* This only shows the event box and the label inside, nothing else.
 251      * Needed because the evbox/label is "internal" to the notebook and
 252      * not part of the normal "widget tree" (IIUC). */
 253     gtk_widget_show_all(evbox);
 254
 255     gtk_notebook_insert_page(GTK_NOTEBOOK(mw.notebook), c->vbox, evbox,
 256                              gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)) + 1);
 257     gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(mw.notebook), c->vbox, TRUE);
 258
 259     if (show)
 260         show_web_view(NULL, c);
 261     else
 262         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 263                          G_CALLBACK(show_web_view), c);
 264
 265     if (uri != NULL)
 266     {
 267         f = ensure_uri_scheme(uri);
 268         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 269         g_free(f);
 270     }
 271
 272     clients++;
 273
 274     return WEBKIT_WEB_VIEW(c->web_view);
 275 }
 276
 277 WebKitWebView *
 278 client_new_request(WebKitWebView *web_view,
 279                    WebKitNavigationAction *navigation_action, gpointer data)
 280 {
 281     return client_new(NULL, web_view, FALSE, FALSE);
 282 }
 283
 284 void
 285 cooperation_setup(void)
 286 {
 287     GIOChannel *towatch;
 288     gchar *fifofilename, *fifopath;
 289
 290     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 291     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 292     g_free(fifofilename);
 293
 294     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 295         mkfifo(fifopath, 0600);
 296
 297     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 298     if (!cooperative_pipe_fp)
 299     {
 300         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 301     }
 302     else
 303     {
 304         if (write(cooperative_pipe_fp, "", 0) == -1)
 305         {
 306             /* Could not do an empty write to the FIFO which means there's
 307              * no one listening. */
 308             close(cooperative_pipe_fp);
 309             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 310             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 311         }
 312         else
 313             cooperative_alone = FALSE;
 314     }
 315
 316     g_free(fifopath);
 317 }
 318
 319 void
 320 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 321 {
 322     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 323     WebKitURIResponse *resp;
 324     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 325     gdouble p, size_mb;
 326     const gchar *uri;
 327     gchar *t, *filename, *base;
 328
 329     p = webkit_download_get_estimated_progress(download);
 330     p = p > 1 ? 1 : p;
 331     p = p < 0 ? 0 : p;
 332     p *= 100;
 333     resp = webkit_download_get_response(download);
 334     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 335
 336     uri = webkit_download_get_destination(download);
 337     filename = g_filename_from_uri(uri, NULL, NULL);
 338     if (filename == NULL)
 339     {
 340         /* This really should not happen because WebKit uses that URI to
 341          * write to a file... */
 342         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 343         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 344                             webkit_uri_response_get_uri(resp), p, size_mb);
 345     }
 346     else
 347     {
 348         base = g_path_get_basename(filename);
 349         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 350         g_free(filename);
 351         g_free(base);
 352     }
 353     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 354     g_free(t);
 355 }
 356
 357 void
 358 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 359 {
 360     struct Client *c = (struct Client *)data;
 361     gdouble p;
 362     gchar *grab_feeds =
 363         "a = document.querySelectorAll('"
 364         "    html > head > link[rel=\"alternate\"][href][type=\"application/atom+xml\"],"
 365         "    html > head > link[rel=\"alternate\"][href][type=\"application/rss+xml\"]"
 366         "');"
 367         "if (a.length == 0)"
 368         "    null;"
 369         "else"
 370         "{"
 371         "    out = '';"
 372         "    for (i = 0; i < a.length; i++)"
 373         "    {"
 374         "        url = encodeURIComponent(a[i].href);"
 375         "        if ('title' in a[i] && a[i].title != '')"
 376         "            title = encodeURIComponent(a[i].title);"
 377         "        else"
 378         "            title = url;"
 379         "        out += '<li><a href=\"' + url + '\">' + title + '</a></li>';"
 380         "    }"
 381         "    out;"
 382         "}";
 383
 384     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 385     if (p == 1)
 386     {
 387         p = 0;
 388
 389         /* The page has loaded fully. We now run the short JavaScript
 390          * snippet above that operates on the DOM. It tries to grab all
 391          * occurences of <link rel="alternate" ...>, i.e. RSS/Atom feed
 392          * references. */
 393         webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view),
 394                                        grab_feeds, NULL,
 395                                        grab_feeds_finished, c);
 396
 397         run_user_scripts(WEBKIT_WEB_VIEW(c->web_view));
 398     }
 399     gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 400 }
 401
 402 void
 403 changed_favicon(GObject *obj, GParamSpec *pspec, gpointer data)
 404 {
 405     struct Client *c = (struct Client *)data;
 406     cairo_surface_t *f;
 407     int w, h, w_should, h_should;
 408     GdkPixbuf *pb, *pb_scaled;
 409
 410     f = webkit_web_view_get_favicon(WEBKIT_WEB_VIEW(c->web_view));
 411     if (f == NULL)
 412     {
 413         gtk_image_set_from_icon_name(GTK_IMAGE(c->tabicon), "text-html",
 414                                      GTK_ICON_SIZE_SMALL_TOOLBAR);
 415     }
 416     else
 417     {
 418         w = cairo_image_surface_get_width(f);
 419         h = cairo_image_surface_get_height(f);
 420         pb = gdk_pixbuf_get_from_surface(f, 0, 0, w, h);
 421         if (pb != NULL)
 422         {
 423             w_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 424             h_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 425             pb_scaled = gdk_pixbuf_scale_simple(pb, w_should, h_should,
 426                                                 GDK_INTERP_BILINEAR);
 427             gtk_image_set_from_pixbuf(GTK_IMAGE(c->tabicon), pb_scaled);
 428
 429             g_object_unref(pb_scaled);
 430             g_object_unref(pb);
 431         }
 432     }
 433 }
 434
 435 void
 436 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 437 {
 438     const gchar *t, *u;
 439     struct Client *c = (struct Client *)data;
 440
 441     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 442     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 443
 444     u = u == NULL ? __NAME__ : u;
 445     u = u[0] == 0 ? __NAME__ : u;
 446
 447     t = t == NULL ? u : t;
 448     t = t[0] == 0 ? u : t;
 449
 450     gtk_label_set_text(GTK_LABEL(c->tablabel), t);
 451     gtk_widget_set_tooltip_text(c->tablabel, t);
 452     mainwindow_title(gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)));
 453 }
 454
 455 void
 456 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 457 {
 458     const gchar *t;
 459     struct Client *c = (struct Client *)data;
 460     FILE *fp;
 461
 462     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 463
 464     /* When a web process crashes, we get a "notify::uri" signal, but we
 465      * can no longer read a meaningful URI. It's just an empty string
 466      * now. Not updating the location bar in this scenario is important,
 467      * because we would override the "WEB PROCESS CRASHED" message. */
 468     if (t != NULL && strlen(t) > 0)
 469     {
 470         gtk_entry_set_text(GTK_ENTRY(c->location), t);
 471
 472         if (history_file != NULL)
 473         {
 474             fp = fopen(history_file, "a");
 475             if (fp != NULL)
 476             {
 477                 fprintf(fp, "%s\n", t);
 478                 fclose(fp);
 479             }
 480             else
 481                 perror(__NAME__": Error opening history file");
 482         }
 483     }
 484 }
 485
 486 gboolean
 487 crashed_web_view(WebKitWebView *web_view, gpointer data)
 488 {
 489     gchar *t;
 490     struct Client *c = (struct Client *)data;
 491
 492     t = g_strdup_printf("WEB PROCESS CRASHED: %s",
 493                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
 494     gtk_entry_set_text(GTK_ENTRY(c->location), t);
 495     g_free(t);
 496
 497     return TRUE;
 498 }
 499
 500 gboolean
 501 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 502               WebKitPolicyDecisionType type, gpointer data)
 503 {
 504     WebKitResponsePolicyDecision *r;
 505
 506     switch (type)
 507     {
 508         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 509             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 510             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 511                 webkit_policy_decision_download(decision);
 512             else
 513                 webkit_policy_decision_use(decision);
 514             break;
 515         default:
 516             /* Use whatever default there is. */
 517             return FALSE;
 518     }
 519     return TRUE;
 520 }
 521
 522 void
 523 download_handle_finished(WebKitDownload *download, gpointer data)
 524 {
 525     downloads--;
 526 }
 527
 528 void
 529 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 530                       gpointer data)
 531 {
 532     g_signal_connect(G_OBJECT(download), "decide-destination",
 533                      G_CALLBACK(download_handle), data);
 534 }
 535
 536 gboolean
 537 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 538 {
 539     gchar *sug_clean, *path, *path2 = NULL, *uri;
 540     GtkToolItem *tb;
 541     int suffix = 1;
 542     size_t i;
 543
 544     sug_clean = g_strdup(suggested_filename);
 545     for (i = 0; i < strlen(sug_clean); i++)
 546         if (sug_clean[i] == G_DIR_SEPARATOR)
 547             sug_clean[i] = '_';
 548
 549     path = g_build_filename(download_dir, sug_clean, NULL);
 550     path2 = g_strdup(path);
 551     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 552     {
 553         g_free(path2);
 554
 555         path2 = g_strdup_printf("%s.%d", path, suffix);
 556         suffix++;
 557     }
 558
 559     if (suffix == 1000)
 560     {
 561         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 562         webkit_download_cancel(download);
 563     }
 564     else
 565     {
 566         uri = g_filename_to_uri(path2, NULL, NULL);
 567         webkit_download_set_destination(download, uri);
 568         g_free(uri);
 569
 570         tb = gtk_tool_button_new(NULL, NULL);
 571         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 572         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 573         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 574         gtk_widget_show_all(dm.win);
 575
 576         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 577                          G_CALLBACK(changed_download_progress), tb);
 578
 579         downloads++;
 580         g_signal_connect(G_OBJECT(download), "finished",
 581                          G_CALLBACK(download_handle_finished), NULL);
 582
 583         g_object_ref(download);
 584         g_signal_connect(G_OBJECT(tb), "clicked",
 585                          G_CALLBACK(downloadmanager_cancel), download);
 586     }
 587
 588     g_free(sug_clean);
 589     g_free(path);
 590     g_free(path2);
 591
 592     /* Propagate -- to whom it may concern. */
 593     return FALSE;
 594 }
 595
 596 void
 597 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 598 {
 599     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 600
 601     webkit_download_cancel(download);
 602     g_object_unref(download);
 603
 604     gtk_widget_destroy(GTK_WIDGET(tb));
 605 }
 606
 607 gboolean
 608 downloadmanager_delete(GtkWidget *obj, gpointer data)
 609 {
 610     if (!quit_if_nothing_active())
 611         gtk_widget_hide(dm.win);
 612
 613     return TRUE;
 614 }
 615
 616 void
 617 downloadmanager_setup(void)
 618 {
 619     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 620     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 621     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 622     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 623     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 624                      G_CALLBACK(downloadmanager_delete), NULL);
 625     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 626                      G_CALLBACK(key_downloadmanager), NULL);
 627
 628     dm.toolbar = gtk_toolbar_new();
 629     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 630                                    GTK_ORIENTATION_VERTICAL);
 631     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 632     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 633
 634     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 635     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 636                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 637     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 638
 639     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 640 }
 641
 642 gchar *
 643 ensure_uri_scheme(const gchar *t)
 644 {
 645     gchar *f, *fabs;
 646
 647     f = g_ascii_strdown(t, -1);
 648     if (!g_str_has_prefix(f, "http:") &&
 649         !g_str_has_prefix(f, "https:") &&
 650         !g_str_has_prefix(f, "file:") &&
 651         !g_str_has_prefix(f, "about:") &&
 652         !g_str_has_prefix(f, "data:"))
 653     {
 654         g_free(f);
 655         fabs = realpath(t, NULL);
 656         if (fabs != NULL)
 657         {
 658             f = g_strdup_printf("file://%s", fabs);
 659             free(fabs);
 660         }
 661         else
 662             f = g_strdup_printf("http://%s", t);
 663         return f;
 664     }
 665     else
 666         return g_strdup(t);
 667 }
 668
 669 void
 670 grab_environment_configuration(void)
 671 {
 672     const gchar *e;
 673
 674     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 675     if (e != NULL)
 676         accepted_language[0] = g_strdup(e);
 677
 678     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 679     if (e != NULL)
 680         download_dir = g_strdup(e);
 681
 682     e = g_getenv(__NAME_UPPERCASE__"_ENABLE_CONSOLE_TO_STDOUT");
 683     if (e != NULL)
 684         enable_console_to_stdout = TRUE;
 685
 686     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 687     if (e != NULL)
 688         fifo_suffix = g_strdup(e);
 689
 690     e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE");
 691     if (e != NULL)
 692         history_file = g_strdup(e);
 693
 694     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 695     if (e != NULL)
 696         home_uri = g_strdup(e);
 697
 698     e = g_getenv(__NAME_UPPERCASE__"_TAB_POS");
 699     if (e != NULL)
 700     {
 701         if (strcmp(e, "top") == 0)
 702             tab_pos = GTK_POS_TOP;
 703         if (strcmp(e, "right") == 0)
 704             tab_pos = GTK_POS_RIGHT;
 705         if (strcmp(e, "bottom") == 0)
 706             tab_pos = GTK_POS_BOTTOM;
 707         if (strcmp(e, "left") == 0)
 708             tab_pos = GTK_POS_LEFT;
 709     }
 710
 711     e = g_getenv(__NAME_UPPERCASE__"_TAB_WIDTH_CHARS");
 712     if (e != NULL)
 713         tab_width_chars = atoi(e);
 714
 715     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 716     if (e != NULL)
 717         user_agent = g_strdup(e);
 718
 719     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 720     if (e != NULL)
 721         global_zoom = atof(e);
 722 }
 723
 724 void
 725 grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data)
 726 {
 727     struct Client *c = (struct Client *)data;
 728     WebKitJavascriptResult *js_result;
 729     JSCValue *value;
 730     JSCException *exception;
 731     GError *err = NULL;
 732     gchar *str_value;
 733
 734     g_free(c->feed_html);
 735     c->feed_html = NULL;
 736
 737     /* This was taken almost verbatim from the example in WebKit's
 738      * documentation:
 739      *
 740      * https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html#webkit-web-view-run-javascript-finish */
 741
 742     js_result = webkit_web_view_run_javascript_finish(WEBKIT_WEB_VIEW(object),
 743                                                       result, &err);
 744     if (!js_result)
 745     {
 746         fprintf(stderr, __NAME__": Error running javascript: %s\n", err->message);
 747         g_error_free(err);
 748         return;
 749     }
 750
 751     value = webkit_javascript_result_get_js_value(js_result);
 752     if (jsc_value_is_string(value))
 753     {
 754         str_value = jsc_value_to_string(value);
 755         exception = jsc_context_get_exception(jsc_value_get_context(value));
 756         if (exception != NULL)
 757         {
 758             fprintf(stderr, __NAME__": Error running javascript: %s\n",
 759                     jsc_exception_get_message(exception));
 760         }
 761         else
 762             c->feed_html = str_value;
 763
 764         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 765                                           GTK_ENTRY_ICON_PRIMARY,
 766                                           "application-rss+xml-symbolic");
 767         gtk_entry_set_icon_activatable(GTK_ENTRY(c->location),
 768                                        GTK_ENTRY_ICON_PRIMARY,
 769                                        TRUE);
 770     }
 771     else
 772     {
 773         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 774                                           GTK_ENTRY_ICON_PRIMARY,
 775                                           NULL);
 776     }
 777
 778     webkit_javascript_result_unref(js_result);
 779 }
 780
 781 void
 782 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 783                gpointer data)
 784 {
 785     struct Client *c = (struct Client *)data;
 786
 787     if (!gtk_widget_is_focus(c->location))
 788     {
 789         if (webkit_hit_test_result_context_is_link(ht))
 790         {
 791             gtk_entry_set_text(GTK_ENTRY(c->location),
 792                                webkit_hit_test_result_get_link_uri(ht));
 793
 794             if (c->hover_uri != NULL)
 795                 g_free(c->hover_uri);
 796             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 797         }
 798         else
 799         {
 800             gtk_entry_set_text(GTK_ENTRY(c->location),
 801                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 802
 803             if (c->hover_uri != NULL)
 804                 g_free(c->hover_uri);
 805             c->hover_uri = NULL;
 806         }
 807     }
 808 }
 809
 810 void
 811 icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event,
 812               gpointer data)
 813 {
 814     struct Client *c = (struct Client *)data;
 815     gchar *d;
 816     gchar *data_template =
 817         "data:text/html,"
 818         "<!DOCTYPE html>"
 819         "<html>"
 820         "    <head>"
 821         "        <meta charset=\"UTF-8\">"
 822         "        <title>Feeds</title>"
 823         "    </head>"
 824         "    <body>"
 825         "        <p>Feeds found on this page:</p>"
 826         "        <ul>"
 827         "        %s"
 828         "        </ul>"
 829         "    </body>"
 830         "</html>";
 831
 832     if (c->feed_html != NULL)
 833     {
 834         /* What we're actually trying to do is show a simple HTML page
 835          * that lists all the feeds on the current page. The function
 836          * webkit_web_view_load_html() looks like the proper way to do
 837          * that. Sad thing is, it doesn't create a history entry, but
 838          * instead simply replaces the content of the current page. This
 839          * is not what we want.
 840          *
 841          * RFC 2397 [0] defines the data URI scheme [1]. We abuse this
 842          * mechanism to show my custom HTML snippet *and* create a
 843          * history entry.
 844          *
 845          * [0]: https://tools.ietf.org/html/rfc2397
 846          * [1]: https://en.wikipedia.org/wiki/Data_URI_scheme */
 847         d = g_strdup_printf(data_template, c->feed_html);
 848         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d);
 849         g_free(d);
 850     }
 851 }
 852
 853 gboolean
 854 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 855 {
 856     struct Client *c = (struct Client *)data;
 857     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 858     gchar *f;
 859
 860     if (event->type == GDK_KEY_PRESS)
 861     {
 862         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 863         {
 864             switch (((GdkEventKey *)event)->keyval)
 865             {
 866                 case GDK_KEY_q:  /* close window (left hand) */
 867                     client_destroy(NULL, c);
 868                     return TRUE;
 869                 case GDK_KEY_w:  /* home (left hand) */
 870                     f = ensure_uri_scheme(home_uri);
 871                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 872                     g_free(f);
 873                     return TRUE;
 874                 case GDK_KEY_e:  /* new tab (left hand) */
 875                     f = ensure_uri_scheme(home_uri);
 876                     client_new(f, NULL, TRUE, TRUE);
 877                     g_free(f);
 878                     return TRUE;
 879                 case GDK_KEY_r:  /* reload (left hand) */
 880                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 881                                                         c->web_view));
 882                     return TRUE;
 883                 case GDK_KEY_d:  /* download manager (left hand) */
 884                     gtk_widget_show_all(dm.win);
 885                     return TRUE;
 886                 case GDK_KEY_2:  /* search forward (left hand) */
 887                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 888                     search(c, 1);
 889                     return TRUE;
 890                 case GDK_KEY_3:  /* search backward (left hand) */
 891                     search(c, -1);
 892                     return TRUE;
 893                 case GDK_KEY_l:  /* location (BOTH hands) */
 894                     gtk_widget_grab_focus(c->location);
 895                     return TRUE;
 896                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 897                     gtk_widget_grab_focus(c->location);
 898                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 899                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 900                     return TRUE;
 901                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 902                     trust_user_certs(wc);
 903                     return TRUE;
 904                 case GDK_KEY_a:  /* go one tab to the left (left hand) */
 905                     gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
 906                     return TRUE;
 907                 case GDK_KEY_s:  /* go one tab to the right (left hand) */
 908                     gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
 909                     return TRUE;
 910             }
 911         }
 912         /* navigate backward (left hand) */
 913         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 914         {
 915             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 916             return TRUE;
 917         }
 918         /* navigate forward (left hand) */
 919         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 920         {
 921             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 922             return TRUE;
 923         }
 924     }
 925
 926     return FALSE;
 927 }
 928
 929 gboolean
 930 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 931 {
 932     if (event->type == GDK_KEY_PRESS)
 933     {
 934         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 935         {
 936             switch (((GdkEventKey *)event)->keyval)
 937             {
 938                 case GDK_KEY_d:  /* close window (left hand) */
 939                 case GDK_KEY_q:
 940                     downloadmanager_delete(dm.win, NULL);
 941                     return TRUE;
 942             }
 943         }
 944     }
 945
 946     return FALSE;
 947 }
 948
 949 gboolean
 950 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 951 {
 952     struct Client *c = (struct Client *)data;
 953     const gchar *t;
 954     gchar *f;
 955
 956     if (key_common(widget, event, data))
 957         return TRUE;
 958
 959     if (event->type == GDK_KEY_PRESS)
 960     {
 961         switch (((GdkEventKey *)event)->keyval)
 962         {
 963             case GDK_KEY_KP_Enter:
 964             case GDK_KEY_Return:
 965                 gtk_widget_grab_focus(c->web_view);
 966                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 967                 if (t != NULL && t[0] == ':' && t[1] == '/')
 968                 {
 969                     if (search_text != NULL)
 970                         g_free(search_text);
 971                     search_text = g_strdup(t + 2);
 972                     search(c, 0);
 973                 }
 974                 else
 975                 {
 976                     f = ensure_uri_scheme(t);
 977                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 978                     g_free(f);
 979                 }
 980                 return TRUE;
 981             case GDK_KEY_Escape:
 982                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 983                 gtk_entry_set_text(GTK_ENTRY(c->location),
 984                                    (t == NULL ? __NAME__ : t));
 985                 return TRUE;
 986         }
 987     }
 988
 989     return FALSE;
 990 }
 991
 992 gboolean
 993 key_tablabel(GtkWidget *widget, GdkEvent *event, gpointer data)
 994 {
 995     GdkScrollDirection direction;
 996
 997     if (event->type == GDK_BUTTON_RELEASE)
 998     {
 999         switch (((GdkEventButton *)event)->button)
1000         {
1001             case 2:
1002                 client_destroy(NULL, data);
1003                 return TRUE;
1004         }
1005     }
1006     else if (event->type == GDK_SCROLL)
1007     {
1008         gdk_event_get_scroll_direction(event, &direction);
1009         switch (direction)
1010         {
1011             case GDK_SCROLL_UP:
1012                 gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
1013                 break;
1014             case GDK_SCROLL_DOWN:
1015                 gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
1016                 break;
1017             default:
1018                 break;
1019         }
1020         return TRUE;
1021     }
1022     return FALSE;
1023 }
1024
1025 gboolean
1026 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
1027 {
1028     struct Client *c = (struct Client *)data;
1029     gdouble dx, dy;
1030     gfloat z;
1031
1032     if (key_common(widget, event, data))
1033         return TRUE;
1034
1035     if (event->type == GDK_KEY_PRESS)
1036     {
1037         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
1038         {
1039             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
1040             gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
1041         }
1042     }
1043     else if (event->type == GDK_BUTTON_RELEASE)
1044     {
1045         switch (((GdkEventButton *)event)->button)
1046         {
1047             case 2:
1048                 if (c->hover_uri != NULL)
1049                 {
1050                     client_new(c->hover_uri, NULL, TRUE, FALSE);
1051                     return TRUE;
1052                 }
1053                 break;
1054             case 8:
1055                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
1056                 return TRUE;
1057             case 9:
1058                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
1059                 return TRUE;
1060         }
1061     }
1062     else if (event->type == GDK_SCROLL)
1063     {
1064         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
1065             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
1066         {
1067             gdk_event_get_scroll_deltas(event, &dx, &dy);
1068             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
1069             z += -dy * 0.1;
1070             z = dx != 0 ? global_zoom : z;
1071             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
1072             return TRUE;
1073         }
1074     }
1075
1076     return FALSE;
1077 }
1078
1079 void
1080 mainwindow_setup(void)
1081 {
1082     mw.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1083     gtk_window_set_default_size(GTK_WINDOW(mw.win), 800, 600);
1084     g_signal_connect(G_OBJECT(mw.win), "destroy", gtk_main_quit, NULL);
1085     gtk_window_set_title(GTK_WINDOW(mw.win), __NAME__);
1086
1087     mw.notebook = gtk_notebook_new();
1088     gtk_notebook_set_scrollable(GTK_NOTEBOOK(mw.notebook), TRUE);
1089     gtk_notebook_set_tab_pos(GTK_NOTEBOOK(mw.notebook), tab_pos);
1090     gtk_container_add(GTK_CONTAINER(mw.win), mw.notebook);
1091     g_signal_connect(G_OBJECT(mw.notebook), "switch-page",
1092                      G_CALLBACK(notebook_switch_page), NULL);
1093 }
1094
1095 void
1096 mainwindow_title(gint idx)
1097 {
1098     GtkWidget *child, *widg, *tablabel;
1099     const gchar *text;
1100
1101     child = gtk_notebook_get_nth_page(GTK_NOTEBOOK(mw.notebook), idx);
1102     if (child == NULL)
1103         return;
1104
1105     widg = gtk_notebook_get_tab_label(GTK_NOTEBOOK(mw.notebook), child);
1106     tablabel = (GtkWidget *)g_object_get_data(G_OBJECT(widg), "lariza-tab-label");
1107     text = gtk_label_get_text(GTK_LABEL(tablabel));
1108     gtk_window_set_title(GTK_WINDOW(mw.win), text);
1109 }
1110
1111 void
1112 notebook_switch_page(GtkNotebook *nb, GtkWidget *p, guint idx, gpointer data)
1113 {
1114     mainwindow_title(idx);
1115 }
1116
1117 gboolean
1118 quit_if_nothing_active(void)
1119 {
1120     if (clients == 0)
1121     {
1122         if (downloads == 0)
1123         {
1124             gtk_main_quit();
1125             return TRUE;
1126         }
1127         else
1128             gtk_widget_show_all(dm.win);
1129     }
1130
1131     return FALSE;
1132 }
1133
1134 gboolean
1135 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
1136 {
1137     gchar *uri = NULL;
1138
1139     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
1140     if (uri)
1141     {
1142         g_strstrip(uri);
1143         client_new(uri, NULL, TRUE, TRUE);
1144         g_free(uri);
1145     }
1146     return TRUE;
1147 }
1148
1149 void
1150 run_user_scripts(WebKitWebView *web_view)
1151 {
1152     gchar *base = NULL, *path = NULL, *contents = NULL;
1153     const gchar *entry = NULL;
1154     GDir *scriptdir = NULL;
1155
1156     base = g_build_filename(g_get_user_config_dir(), __NAME__, "user-scripts", NULL);
1157     scriptdir = g_dir_open(base, 0, NULL);
1158     if (scriptdir != NULL)
1159     {
1160         while ((entry = g_dir_read_name(scriptdir)) != NULL)
1161         {
1162             path = g_build_filename(base, entry, NULL);
1163             if (g_str_has_suffix(path, ".js"))
1164             {
1165                 if (g_file_get_contents(path, &contents, NULL, NULL))
1166                 {
1167                     webkit_web_view_run_javascript(web_view, contents, NULL, NULL, NULL);
1168                     g_free(contents);
1169                 }
1170             }
1171             g_free(path);
1172         }
1173         g_dir_close(scriptdir);
1174     }
1175
1176     g_free(base);
1177 }
1178
1179 void
1180 search(gpointer data, gint direction)
1181 {
1182     struct Client *c = (struct Client *)data;
1183     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
1184     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
1185
1186     if (search_text == NULL)
1187         return;
1188
1189     switch (direction)
1190     {
1191         case 0:
1192             webkit_find_controller_search(fc, search_text,
1193                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
1194                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
1195                                           G_MAXUINT);
1196             break;
1197         case 1:
1198             webkit_find_controller_search_next(fc);
1199             break;
1200         case -1:
1201             webkit_find_controller_search_previous(fc);
1202             break;
1203     }
1204 }
1205
1206 void
1207 show_web_view(WebKitWebView *web_view, gpointer data)
1208 {
1209     struct Client *c = (struct Client *)data;
1210     gint idx;
1211
1212     (void)web_view;
1213
1214     gtk_widget_show_all(mw.win);
1215
1216     if (c->focus_new_tab)
1217     {
1218         idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
1219         if (idx != -1)
1220             gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), idx);
1221
1222         gtk_widget_grab_focus(c->web_view);
1223     }
1224 }
1225
1226 void
1227 trust_user_certs(WebKitWebContext *wc)
1228 {
1229     GTlsCertificate *cert;
1230     const gchar *basedir, *file, *absfile;
1231     GDir *dir;
1232
1233     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1234     dir = g_dir_open(basedir, 0, NULL);
1235     if (dir != NULL)
1236     {
1237         file = g_dir_read_name(dir);
1238         while (file != NULL)
1239         {
1240             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1241                                        file, NULL);
1242             cert = g_tls_certificate_new_from_file(absfile, NULL);
1243             if (cert == NULL)
1244                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1245             else
1246                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1247             file = g_dir_read_name(dir);
1248         }
1249         g_dir_close(dir);
1250     }
1251 }
1252
1253
1254 int
1255 main(int argc, char **argv)
1256 {
1257     gchar *c;
1258     int opt, i;
1259
1260     gtk_init(&argc, &argv);
1261     webkit_web_context_set_process_model(webkit_web_context_get_default(),
1262         WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1263
1264     grab_environment_configuration();
1265
1266     while ((opt = getopt(argc, argv, "C")) != -1)
1267     {
1268         switch (opt)
1269         {
1270             case 'C':
1271                 cooperative_instances = FALSE;
1272                 break;
1273             default:
1274                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1275                 exit(EXIT_FAILURE);
1276         }
1277     }
1278
1279     if (cooperative_instances)
1280         cooperation_setup();
1281     downloadmanager_setup();
1282
1283     mainwindow_setup();
1284
1285     if (!cooperative_instances || cooperative_alone)
1286     {
1287         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1288                              NULL);
1289         webkit_web_context_set_web_extensions_directory(
1290             webkit_web_context_get_default(), c
1291         );
1292     }
1293
1294     if (optind >= argc)
1295         client_new(home_uri, NULL, TRUE, TRUE);
1296     else
1297     {
1298         for (i = optind; i < argc; i++)
1299             client_new(argv[i], NULL, TRUE, TRUE);
1300     }
1301
1302     if (!cooperative_instances || cooperative_alone)
1303         gtk_main();
1304     exit(EXIT_SUCCESS);
1305 }