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