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 static void client_destroy(GtkWidget *, gpointer);
  18 static gboolean client_destroy_request(WebKitWebView *, gpointer);
  19 static WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean);
  20 static WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  21                                          gpointer);
  22 static void cooperation_setup(void);
  23 static void changed_download_progress(GObject *, GParamSpec *, gpointer);
  24 static void changed_load_progress(GObject *, GParamSpec *, gpointer);
  25 static void changed_title(GObject *, GParamSpec *, gpointer);
  26 static void changed_uri(GObject *, GParamSpec *, gpointer);
  27 static gboolean crashed_web_view(WebKitWebView *, gpointer);
  28 static gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  29                               WebKitPolicyDecisionType, gpointer);
  30 static gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  31 static void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
  32 static void downloadmanager_cancel(GtkToolButton *, gpointer);
  33 static gboolean downloadmanager_delete(GtkWidget *, gpointer);
  34 static void downloadmanager_setup(void);
  35 static gchar *ensure_uri_scheme(const gchar *);
  36 static void external_handler_run(GSimpleAction *, GVariant *, gpointer);
  37 static void feed_icon(gpointer, gchar *);
  38 static void grab_environment_configuration(void);
  39 static void grab_feeds_finished(GObject *, GAsyncResult *, gpointer);
  40 static void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  41 static void icon_location(GtkEntry *, GtkEntryIconPosition, GdkEvent *, gpointer);
  42 static gboolean key_common(GtkWidget *, GdkEvent *, gpointer);
  43 static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  44 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  45 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  46 static void keywords_load(void);
  47 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  48 static gboolean menu_web_view(WebKitWebView *, WebKitContextMenu *, GdkEvent *,
  49                               WebKitHitTestResult *, gpointer);
  50 static gboolean quit_if_nothing_active(void);
  51 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  52 static void search(gpointer, gint);
  53 static void show_web_view(WebKitWebView *, gpointer);
  54 static Window tabbed_launch(void);
  55 static void trust_user_certs(WebKitWebContext *);
  56
  57
  58 struct Client
  59 {
  60     gchar *external_handler_uri;
  61     gchar *hover_uri;
  62     gchar *feed_html;
  63     GtkWidget *location;
  64     GtkWidget *vbox;
  65     GtkWidget *web_view;
  66     GtkWidget *win;
  67 };
  68
  69 struct DownloadManager
  70 {
  71     GtkWidget *scroll;
  72     GtkWidget *toolbar;
  73     GtkWidget *win;
  74 } dm;
  75
  76
  77 static const gchar *accepted_language[2] = { NULL, NULL };
  78 static gint clients = 0, downloads = 0;
  79 static gboolean cooperative_alone = TRUE;
  80 static gboolean cooperative_instances = TRUE;
  81 static int cooperative_pipe_fp = 0;
  82 static gchar *download_dir = "/var/tmp";
  83 static gboolean enable_webgl = FALSE;
  84 static gboolean enable_console_to_stdout = FALSE;
  85 static Window embed = 0;
  86 static gchar *fifo_suffix = "main";
  87 static gdouble global_zoom = 1.0;
  88 static gchar *history_file = NULL;
  89 static gchar *home_uri = "about:blank";
  90 static gboolean initial_wc_setup_done = FALSE;
  91 static GHashTable *keywords = NULL;
  92 static gchar *search_text = NULL;
  93 static gboolean tabbed_automagic = TRUE;
  94 static gchar *user_agent = NULL;
  95
  96 static gchar *feed_html_header =
  97 "<!DOCTYPE html>"
  98 "<html>"
  99 "    <head>"
 100 "        <title>Feeds</title>"
 101 "    </head>"
 102 "    <body>"
 103 "        <p>Feeds found on this page:</p>"
 104 "        <ul>"
 105 ;
 106
 107 static gchar *feed_html_footer =
 108 "        </ul>"
 109 "    </body>"
 110 "</html>"
 111 ;
 112
 113 static gchar *grab_feeds =
 114 "a = document.querySelectorAll('"
 115 "    html > head > link[rel=\"alternate\"][href][type=\"application/atom+xml\"],"
 116 "    html > head > link[rel=\"alternate\"][href][type=\"application/rss+xml\"]"
 117 "');"
 118 "if (a.length == 0)"
 119 "    null;"
 120 "else"
 121 "{"
 122 "    out = '';"
 123 "    for (i = 0; i < a.length; i++)"
 124 "    {"
 125 "        url = encodeURIComponent(a[i].href);"
 126 "        if ('title' in a[i] && a[i].title != '')"
 127 "            title = encodeURIComponent(a[i].title);"
 128 "        else"
 129 "            title = url;"
 130 "        out += '<li><a href=\"' + url + '\">' + title + '</a></li>';"
 131 "    }"
 132 "    out;"
 133 "}"
 134 ;
 135
 136
 137 void
 138 client_destroy(GtkWidget *widget, gpointer data)
 139 {
 140     struct Client *c = (struct Client *)data;
 141
 142     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
 143                                          changed_load_progress, c);
 144
 145     free(c);
 146     clients--;
 147
 148     quit_if_nothing_active();
 149 }
 150
 151 gboolean
 152 client_destroy_request(WebKitWebView *web_view, gpointer data)
 153 {
 154     struct Client *c = (struct Client *)data;
 155
 156     gtk_widget_destroy(c->win);
 157
 158     return TRUE;
 159 }
 160
 161 WebKitWebView *
 162 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show)
 163 {
 164     struct Client *c;
 165     WebKitWebContext *wc;
 166     gchar *f;
 167
 168     if (uri != NULL && cooperative_instances && !cooperative_alone)
 169     {
 170         f = ensure_uri_scheme(uri);
 171         write(cooperative_pipe_fp, f, strlen(f));
 172         write(cooperative_pipe_fp, "\n", 1);
 173         g_free(f);
 174         return NULL;
 175     }
 176
 177     c = calloc(1, sizeof(struct Client));
 178     if (!c)
 179     {
 180         fprintf(stderr, __NAME__": fatal: calloc failed\n");
 181         exit(EXIT_FAILURE);
 182     }
 183
 184     if (embed != 0)
 185     {
 186         c->win = gtk_plug_new(embed);
 187         if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 188         {
 189             fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 190             gtk_widget_destroy(c->win);
 191             c->win = NULL;
 192             embed = 0;
 193         }
 194     }
 195
 196     if (c->win == NULL)
 197         c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 198
 199     gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 200
 201     g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 202     gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 203
 204     if (related_wv == NULL)
 205         c->web_view = webkit_web_view_new();
 206     else
 207         c->web_view = webkit_web_view_new_with_related_view(related_wv);
 208     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 209
 210     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 211     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 212                      G_CALLBACK(changed_title), c);
 213     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 214                      G_CALLBACK(changed_uri), c);
 215     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 216                      G_CALLBACK(changed_load_progress), c);
 217     g_signal_connect(G_OBJECT(c->web_view), "create",
 218                      G_CALLBACK(client_new_request), NULL);
 219     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 220                      G_CALLBACK(menu_web_view), c);
 221     g_signal_connect(G_OBJECT(c->web_view), "close",
 222                      G_CALLBACK(client_destroy_request), c);
 223     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 224                      G_CALLBACK(decide_policy), NULL);
 225     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 226                      G_CALLBACK(key_web_view), c);
 227     g_signal_connect(G_OBJECT(c->web_view), "button-release-event",
 228                      G_CALLBACK(key_web_view), c);
 229     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 230                      G_CALLBACK(key_web_view), c);
 231     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 232                      G_CALLBACK(hover_web_view), c);
 233     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 234                      G_CALLBACK(crashed_web_view), c);
 235
 236     if (!initial_wc_setup_done)
 237     {
 238         if (accepted_language[0] != NULL)
 239             webkit_web_context_set_preferred_languages(wc, accepted_language);
 240
 241         g_signal_connect(G_OBJECT(wc), "download-started",
 242                          G_CALLBACK(download_handle_start), NULL);
 243
 244         trust_user_certs(wc);
 245
 246         initial_wc_setup_done = TRUE;
 247     }
 248
 249     if (user_agent != NULL)
 250         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 251                      "user-agent", user_agent, NULL);
 252
 253     if (enable_console_to_stdout)
 254         webkit_settings_set_enable_write_console_messages_to_stdout(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 255
 256     if (enable_webgl)
 257         webkit_settings_set_enable_webgl(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 258
 259     c->location = gtk_entry_new();
 260     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 261                      G_CALLBACK(key_location), c);
 262     g_signal_connect(G_OBJECT(c->location), "icon-release",
 263                      G_CALLBACK(icon_location), c);
 264
 265     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 266     gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 267     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 268
 269     gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 270
 271     if (show)
 272         show_web_view(NULL, c);
 273     else
 274         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 275                          G_CALLBACK(show_web_view), c);
 276
 277     if (uri != NULL)
 278     {
 279         f = ensure_uri_scheme(uri);
 280         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 281         g_free(f);
 282     }
 283
 284     clients++;
 285
 286     return WEBKIT_WEB_VIEW(c->web_view);
 287 }
 288
 289 WebKitWebView *
 290 client_new_request(WebKitWebView *web_view,
 291                    WebKitNavigationAction *navigation_action, gpointer data)
 292 {
 293     return client_new(NULL, web_view, FALSE);
 294 }
 295
 296 void
 297 cooperation_setup(void)
 298 {
 299     GIOChannel *towatch;
 300     gchar *fifofilename, *fifopath;
 301
 302     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 303     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 304     g_free(fifofilename);
 305
 306     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 307         mkfifo(fifopath, 0600);
 308
 309     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 310     if (!cooperative_pipe_fp)
 311     {
 312         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 313     }
 314     else
 315     {
 316         if (write(cooperative_pipe_fp, "", 0) == -1)
 317         {
 318             /* Could not do an empty write to the FIFO which means there's
 319              * no one listening. */
 320             close(cooperative_pipe_fp);
 321             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 322             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 323         }
 324         else
 325             cooperative_alone = FALSE;
 326     }
 327
 328     g_free(fifopath);
 329 }
 330
 331 void
 332 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 333 {
 334     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 335     WebKitURIResponse *resp;
 336     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 337     gdouble p, size_mb;
 338     const gchar *uri;
 339     gchar *t, *filename, *base;
 340
 341     p = webkit_download_get_estimated_progress(download);
 342     p = p > 1 ? 1 : p;
 343     p = p < 0 ? 0 : p;
 344     p *= 100;
 345     resp = webkit_download_get_response(download);
 346     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 347
 348     uri = webkit_download_get_destination(download);
 349     filename = g_filename_from_uri(uri, NULL, NULL);
 350     if (filename == NULL)
 351     {
 352         /* This really should not happen because WebKit uses that URI to
 353          * write to a file... */
 354         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 355         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 356                             webkit_uri_response_get_uri(resp), p, size_mb);
 357     }
 358     else
 359     {
 360         base = g_path_get_basename(filename);
 361         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 362         g_free(filename);
 363         g_free(base);
 364     }
 365     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 366     g_free(t);
 367 }
 368
 369 void
 370 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 371 {
 372     struct Client *c = (struct Client *)data;
 373     gdouble p;
 374
 375     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 376     if (p == 1)
 377     {
 378         p = 0;
 379
 380         /* The page has loaded fully. We now run a short JavaScript
 381          * snippet that operates on the DOM. It tries to grab all
 382          * occurences of <link rel="alternate" ...>, i.e. RSS/Atom feed
 383          * references. */
 384         webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view),
 385                                        grab_feeds, NULL,
 386                                        grab_feeds_finished, c);
 387     }
 388     gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 389 }
 390
 391 void
 392 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 393 {
 394     const gchar *t, *u;
 395     struct Client *c = (struct Client *)data;
 396
 397     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 398     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 399
 400     u = u == NULL ? __NAME__ : u;
 401     u = u[0] == 0 ? __NAME__ : u;
 402
 403     t = t == NULL ? u : t;
 404     t = t[0] == 0 ? u : t;
 405
 406     gtk_window_set_title(GTK_WINDOW(c->win), t);
 407 }
 408
 409 void
 410 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 411 {
 412     const gchar *t;
 413     struct Client *c = (struct Client *)data;
 414     FILE *fp;
 415
 416     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 417
 418     /* When a web process crashes, we get a "notify::uri" signal, but we
 419      * can no longer read a meaningful URI. It's just an empty string
 420      * now. Not updating the location bar in this scenario is important,
 421      * because we would override the "WEB PROCESS CRASHED" message. */
 422     if (t != NULL && strlen(t) > 0)
 423     {
 424         gtk_entry_set_text(GTK_ENTRY(c->location), t);
 425
 426         if (history_file != NULL)
 427         {
 428             fp = fopen(history_file, "a");
 429             if (fp != NULL)
 430             {
 431                 fprintf(fp, "%s\n", t);
 432                 fclose(fp);
 433             }
 434             else
 435                 perror(__NAME__": Error opening history file");
 436         }
 437     }
 438 }
 439
 440 gboolean
 441 crashed_web_view(WebKitWebView *web_view, gpointer data)
 442 {
 443     gchar *t;
 444     struct Client *c = (struct Client *)data;
 445
 446     t = g_strdup_printf("WEB PROCESS CRASHED: %s",
 447                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
 448     gtk_entry_set_text(GTK_ENTRY(c->location), t);
 449     g_free(t);
 450
 451     return TRUE;
 452 }
 453
 454 gboolean
 455 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 456               WebKitPolicyDecisionType type, gpointer data)
 457 {
 458     WebKitResponsePolicyDecision *r;
 459
 460     switch (type)
 461     {
 462         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 463             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 464             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 465                 webkit_policy_decision_download(decision);
 466             else
 467                 webkit_policy_decision_use(decision);
 468             break;
 469         default:
 470             /* Use whatever default there is. */
 471             return FALSE;
 472     }
 473     return TRUE;
 474 }
 475
 476 void
 477 download_handle_finished(WebKitDownload *download, gpointer data)
 478 {
 479     downloads--;
 480 }
 481
 482 void
 483 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 484                       gpointer data)
 485 {
 486     g_signal_connect(G_OBJECT(download), "decide-destination",
 487                      G_CALLBACK(download_handle), data);
 488 }
 489
 490 gboolean
 491 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 492 {
 493     gchar *sug_clean, *path, *path2 = NULL, *uri;
 494     GtkToolItem *tb;
 495     int suffix = 1;
 496     size_t i;
 497
 498     sug_clean = g_strdup(suggested_filename);
 499     for (i = 0; i < strlen(sug_clean); i++)
 500         if (sug_clean[i] == G_DIR_SEPARATOR)
 501             sug_clean[i] = '_';
 502
 503     path = g_build_filename(download_dir, sug_clean, NULL);
 504     path2 = g_strdup(path);
 505     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 506     {
 507         g_free(path2);
 508
 509         path2 = g_strdup_printf("%s.%d", path, suffix);
 510         suffix++;
 511     }
 512
 513     if (suffix == 1000)
 514     {
 515         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 516         webkit_download_cancel(download);
 517     }
 518     else
 519     {
 520         uri = g_filename_to_uri(path2, NULL, NULL);
 521         webkit_download_set_destination(download, uri);
 522         g_free(uri);
 523
 524         tb = gtk_tool_button_new(NULL, NULL);
 525         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 526         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 527         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 528         gtk_widget_show_all(dm.win);
 529
 530         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 531                          G_CALLBACK(changed_download_progress), tb);
 532
 533         downloads++;
 534         g_signal_connect(G_OBJECT(download), "finished",
 535                          G_CALLBACK(download_handle_finished), NULL);
 536
 537         g_object_ref(download);
 538         g_signal_connect(G_OBJECT(tb), "clicked",
 539                          G_CALLBACK(downloadmanager_cancel), download);
 540     }
 541
 542     g_free(sug_clean);
 543     g_free(path);
 544     g_free(path2);
 545
 546     /* Propagate -- to whom it may concern. */
 547     return FALSE;
 548 }
 549
 550 void
 551 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 552 {
 553     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 554
 555     webkit_download_cancel(download);
 556     g_object_unref(download);
 557
 558     gtk_widget_destroy(GTK_WIDGET(tb));
 559 }
 560
 561 gboolean
 562 downloadmanager_delete(GtkWidget *obj, gpointer data)
 563 {
 564     if (!quit_if_nothing_active())
 565         gtk_widget_hide(dm.win);
 566
 567     return TRUE;
 568 }
 569
 570 void
 571 downloadmanager_setup(void)
 572 {
 573     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 574     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 575     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 576     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 577     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 578                      G_CALLBACK(downloadmanager_delete), NULL);
 579     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 580                      G_CALLBACK(key_downloadmanager), NULL);
 581
 582     dm.toolbar = gtk_toolbar_new();
 583     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 584                                    GTK_ORIENTATION_VERTICAL);
 585     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 586     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 587
 588     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 589     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 590                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 591     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 592
 593     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 594 }
 595
 596 gchar *
 597 ensure_uri_scheme(const gchar *t)
 598 {
 599     gchar *f, *fabs;
 600
 601     f = g_ascii_strdown(t, -1);
 602     if (!g_str_has_prefix(f, "http:") &&
 603         !g_str_has_prefix(f, "https:") &&
 604         !g_str_has_prefix(f, "file:") &&
 605         !g_str_has_prefix(f, "about:") &&
 606         !g_str_has_prefix(f, "data:"))
 607     {
 608         g_free(f);
 609         fabs = realpath(t, NULL);
 610         if (fabs != NULL)
 611         {
 612             f = g_strdup_printf("file://%s", fabs);
 613             free(fabs);
 614         }
 615         else
 616             f = g_strdup_printf("http://%s", t);
 617         return f;
 618     }
 619     else
 620         return g_strdup(t);
 621 }
 622
 623 void
 624 external_handler_run(GSimpleAction *simple, GVariant *param, gpointer data)
 625 {
 626     struct Client *c = (struct Client *)data;
 627     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 628     GPid pid;
 629     GError *err = NULL;
 630
 631     (void)simple;
 632     (void)param;
 633
 634     argv[2] = c->external_handler_uri;
 635     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 636                        &pid, &err))
 637     {
 638         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 639                 err->message);
 640         g_error_free(err);
 641     }
 642     else
 643         g_spawn_close_pid(pid);
 644 }
 645
 646 void feed_icon(gpointer user_data, gchar *feed_html)
 647 {
 648     struct Client *c = (struct Client *)user_data;
 649
 650     if (feed_html != NULL)
 651     {
 652         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 653                                           GTK_ENTRY_ICON_PRIMARY,
 654                                           "application-rss+xml-symbolic");
 655         gtk_entry_set_icon_activatable(GTK_ENTRY(c->location),
 656                                        GTK_ENTRY_ICON_PRIMARY,
 657                                        TRUE);
 658
 659         if (c->feed_html != NULL)
 660             g_free(c->feed_html);
 661         c->feed_html = g_strdup(feed_html);
 662     }
 663     else
 664     {
 665         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 666                                           GTK_ENTRY_ICON_PRIMARY,
 667                                           NULL);
 668     }
 669 }
 670
 671 void
 672 grab_environment_configuration(void)
 673 {
 674     const gchar *e;
 675
 676     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 677     if (e != NULL)
 678         accepted_language[0] = g_strdup(e);
 679
 680     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 681     if (e != NULL)
 682         download_dir = g_strdup(e);
 683
 684     e = g_getenv(__NAME_UPPERCASE__"_ENABLE_CONSOLE_TO_STDOUT");
 685     if (e != NULL)
 686         enable_console_to_stdout = TRUE;
 687
 688     e = g_getenv(__NAME_UPPERCASE__"_ENABLE_EXPERIMENTAL_WEBGL");
 689     if (e != NULL)
 690         enable_webgl = TRUE;
 691
 692     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 693     if (e != NULL)
 694         fifo_suffix = g_strdup(e);
 695
 696     e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE");
 697     if (e != NULL)
 698         history_file = g_strdup(e);
 699
 700     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 701     if (e != NULL)
 702         home_uri = g_strdup(e);
 703
 704     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 705     if (e != NULL)
 706         user_agent = g_strdup(e);
 707
 708     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 709     if (e != NULL)
 710         global_zoom = atof(e);
 711 }
 712
 713 void
 714 grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data)
 715 {
 716     WebKitJavascriptResult *js_result;
 717     JSValueRef value;
 718     JSGlobalContextRef context;
 719     GError *err = NULL;
 720     JSStringRef js_str_value;
 721     gchar *str_value;
 722     gsize str_length;
 723
 724     /* This was taken almost verbatim from the example in WebKit's
 725      * documentation. */
 726
 727     js_result = webkit_web_view_run_javascript_finish(WEBKIT_WEB_VIEW(object),
 728                                                       result, &err);
 729     if (!js_result)
 730     {
 731         fprintf(stderr, __NAME__": Error running javascript: %s\n", err->message);
 732         g_error_free(err);
 733         return;
 734     }
 735
 736     context = webkit_javascript_result_get_global_context(js_result);
 737     value = webkit_javascript_result_get_value(js_result);
 738
 739     if (JSValueIsString(context, value))
 740     {
 741         js_str_value = JSValueToStringCopy(context, value, NULL);
 742         str_length = JSStringGetMaximumUTF8CStringSize(js_str_value);
 743         str_value = (gchar *)g_malloc(str_length);
 744         JSStringGetUTF8CString(js_str_value, str_value, str_length);
 745         JSStringRelease(js_str_value);
 746         feed_icon(data, str_value);
 747         g_free(str_value);
 748     }
 749     else
 750         feed_icon(data, NULL);
 751
 752     webkit_javascript_result_unref(js_result);
 753 }
 754
 755 void
 756 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 757                gpointer data)
 758 {
 759     struct Client *c = (struct Client *)data;
 760
 761     if (!gtk_widget_is_focus(c->location))
 762     {
 763         if (webkit_hit_test_result_context_is_link(ht))
 764         {
 765             gtk_entry_set_text(GTK_ENTRY(c->location),
 766                                webkit_hit_test_result_get_link_uri(ht));
 767
 768             if (c->hover_uri != NULL)
 769                 g_free(c->hover_uri);
 770             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 771         }
 772         else
 773         {
 774             gtk_entry_set_text(GTK_ENTRY(c->location),
 775                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 776
 777             if (c->hover_uri != NULL)
 778                 g_free(c->hover_uri);
 779             c->hover_uri = NULL;
 780         }
 781     }
 782 }
 783
 784 void
 785 icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event, gpointer data)
 786 {
 787     struct Client *c = (struct Client *)data;
 788     gchar *d;
 789
 790     if (c->feed_html != NULL)
 791     {
 792         /* What we're actually trying to do is show a simple HTML page
 793          * that lists all the feeds on the current page. The function
 794          * webkit_web_view_load_html() looks like the proper way to do
 795          * that. Sad thing is, it doesn't create a history entry, but
 796          * instead simply replaces the content of the current page. This
 797          * is not what we want.
 798          *
 799          * RFC 2397 [0] defines the data URI scheme [1]. We abuse this
 800          * mechanism to show my custom HTML snippet *and* create a
 801          * history entry.
 802          *
 803          * [0]: https://tools.ietf.org/html/rfc2397
 804          * [1]: https://en.wikipedia.org/wiki/Data_URI_scheme */
 805         d = g_strdup_printf("data:text/html,%s%s%s",
 806                             feed_html_header,
 807                             c->feed_html,
 808                             feed_html_footer);
 809         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d);
 810         g_free(d);
 811     }
 812 }
 813
 814 gboolean
 815 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 816 {
 817     struct Client *c = (struct Client *)data;
 818     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 819     gchar *f;
 820
 821     if (event->type == GDK_KEY_PRESS)
 822     {
 823         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 824         {
 825             switch (((GdkEventKey *)event)->keyval)
 826             {
 827                 case GDK_KEY_q:  /* close window (left hand) */
 828                     gtk_widget_destroy(c->win);
 829                     return TRUE;
 830                 case GDK_KEY_w:  /* home (left hand) */
 831                     f = ensure_uri_scheme(home_uri);
 832                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 833                     g_free(f);
 834                     return TRUE;
 835                 case GDK_KEY_e:  /* new tab (left hand) */
 836                     f = ensure_uri_scheme(home_uri);
 837                     client_new(f, NULL, TRUE);
 838                     g_free(f);
 839                     return TRUE;
 840                 case GDK_KEY_r:  /* reload (left hand) */
 841                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 842                                                         c->web_view));
 843                     return TRUE;
 844                 case GDK_KEY_d:  /* download manager (left hand) */
 845                     gtk_widget_show_all(dm.win);
 846                     return TRUE;
 847                 case GDK_KEY_2:  /* search forward (left hand) */
 848                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 849                     search(c, 1);
 850                     return TRUE;
 851                 case GDK_KEY_3:  /* search backward (left hand) */
 852                     search(c, -1);
 853                     return TRUE;
 854                 case GDK_KEY_l:  /* location (BOTH hands) */
 855                     gtk_widget_grab_focus(c->location);
 856                     return TRUE;
 857                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 858                     gtk_widget_grab_focus(c->location);
 859                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 860                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 861                     return TRUE;
 862                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 863                     trust_user_certs(wc);
 864                     return TRUE;
 865                 case GDK_KEY_x:  /* launch external handler (left hand) */
 866                     if (c->external_handler_uri != NULL)
 867                         g_free(c->external_handler_uri);
 868                     c->external_handler_uri = g_strdup(
 869                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 870                     external_handler_run(NULL, NULL, c);
 871                     return TRUE;
 872             }
 873         }
 874         /* navigate backward (left hand) */
 875         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 876         {
 877             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 878             return TRUE;
 879         }
 880         /* navigate forward (left hand) */
 881         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 882         {
 883             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 884             return TRUE;
 885         }
 886     }
 887
 888     return FALSE;
 889 }
 890
 891 gboolean
 892 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 893 {
 894     if (event->type == GDK_KEY_PRESS)
 895     {
 896         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 897         {
 898             switch (((GdkEventKey *)event)->keyval)
 899             {
 900                 case GDK_KEY_d:  /* close window (left hand) */
 901                 case GDK_KEY_q:
 902                     downloadmanager_delete(dm.win, NULL);
 903                     return TRUE;
 904             }
 905         }
 906     }
 907
 908     return FALSE;
 909 }
 910
 911 gboolean
 912 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 913 {
 914     struct Client *c = (struct Client *)data;
 915     const gchar *t;
 916     gchar *f;
 917
 918     if (key_common(widget, event, data))
 919         return TRUE;
 920
 921     if (event->type == GDK_KEY_PRESS)
 922     {
 923         switch (((GdkEventKey *)event)->keyval)
 924         {
 925             case GDK_KEY_KP_Enter:
 926             case GDK_KEY_Return:
 927                 gtk_widget_grab_focus(c->web_view);
 928                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 929                 if (t != NULL && t[0] == ':' && t[1] == '/')
 930                 {
 931                     if (search_text != NULL)
 932                         g_free(search_text);
 933                     search_text = g_strdup(t + 2);
 934                     search(c, 0);
 935                 }
 936                 else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 937                 {
 938                     f = ensure_uri_scheme(t);
 939                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 940                     g_free(f);
 941                 }
 942                 return TRUE;
 943             case GDK_KEY_Escape:
 944                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 945                 gtk_entry_set_text(GTK_ENTRY(c->location),
 946                                    (t == NULL ? __NAME__ : t));
 947                 return TRUE;
 948         }
 949     }
 950
 951     return FALSE;
 952 }
 953
 954 gboolean
 955 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 956 {
 957     struct Client *c = (struct Client *)data;
 958     gdouble dx, dy;
 959     gfloat z;
 960
 961     if (key_common(widget, event, data))
 962         return TRUE;
 963
 964     if (event->type == GDK_KEY_PRESS)
 965     {
 966         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 967         {
 968             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 969             gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
 970         }
 971     }
 972     else if (event->type == GDK_BUTTON_RELEASE)
 973     {
 974         switch (((GdkEventButton *)event)->button)
 975         {
 976             case 2:
 977                 if (c->hover_uri != NULL)
 978                 {
 979                     client_new(c->hover_uri, NULL, TRUE);
 980                     return TRUE;
 981                 }
 982                 break;
 983             case 8:
 984                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 985                 return TRUE;
 986             case 9:
 987                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 988                 return TRUE;
 989         }
 990     }
 991     else if (event->type == GDK_SCROLL)
 992     {
 993         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 994             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 995         {
 996             gdk_event_get_scroll_deltas(event, &dx, &dy);
 997             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 998             z += -dy * 0.1;
 999             z = dx != 0 ? global_zoom : z;
1000             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
1001             return TRUE;
1002         }
1003     }
1004
1005     return FALSE;
1006 }
1007
1008 void
1009 keywords_load(void)
1010 {
1011     GError *err = NULL;
1012     GIOChannel *channel = NULL;
1013     gchar *path = NULL, *buf = NULL;
1014     gchar **tokens = NULL;
1015
1016     keywords = g_hash_table_new(g_str_hash, g_str_equal);
1017
1018     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
1019                             NULL);
1020     channel = g_io_channel_new_file(path, "r", &err);
1021     if (channel != NULL)
1022     {
1023         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
1024                == G_IO_STATUS_NORMAL)
1025         {
1026             g_strstrip(buf);
1027             if (buf[0] != '#')
1028             {
1029                 tokens = g_strsplit(buf, " ", 2);
1030                 if (tokens[0] != NULL && tokens[1] != NULL)
1031                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
1032                                         g_strdup(tokens[1]));
1033                 g_strfreev(tokens);
1034             }
1035             g_free(buf);
1036         }
1037         g_io_channel_shutdown(channel, FALSE, NULL);
1038     }
1039     g_free(path);
1040 }
1041
1042 gboolean
1043 keywords_try_search(WebKitWebView *web_view, const gchar *t)
1044 {
1045     gboolean ret = FALSE;
1046     gchar **tokens = NULL;
1047     gchar *val = NULL, *escaped = NULL, *uri = NULL;
1048
1049     tokens = g_strsplit(t, " ", 2);
1050     if (tokens[0] != NULL && tokens[1] != NULL)
1051     {
1052         val = g_hash_table_lookup(keywords, tokens[0]);
1053         if (val != NULL)
1054         {
1055             escaped = g_uri_escape_string(tokens[1], NULL, TRUE);
1056             uri = g_strdup_printf((gchar *)val, escaped);
1057             webkit_web_view_load_uri(web_view, uri);
1058             g_free(uri);
1059             g_free(escaped);
1060             ret = TRUE;
1061         }
1062     }
1063     g_strfreev(tokens);
1064
1065     return ret;
1066 }
1067
1068 gboolean
1069 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
1070               WebKitHitTestResult *ht, gpointer data)
1071 {
1072     struct Client *c = (struct Client *)data;
1073     GSimpleAction *action = NULL;
1074     WebKitContextMenuItem *mi = NULL;
1075     const gchar *uri = NULL;
1076
1077     (void)ev;
1078
1079     if (webkit_hit_test_result_context_is_link(ht))
1080         uri = webkit_hit_test_result_get_link_uri(ht);
1081     else if (webkit_hit_test_result_context_is_image(ht))
1082         uri = webkit_hit_test_result_get_image_uri(ht);
1083     else if (webkit_hit_test_result_context_is_media(ht))
1084         uri = webkit_hit_test_result_get_media_uri(ht);
1085
1086     if (uri != NULL)
1087     {
1088         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
1089
1090         if (c->external_handler_uri != NULL)
1091             g_free(c->external_handler_uri);
1092         c->external_handler_uri = g_strdup(uri);
1093         action = g_simple_action_new("external_handler", NULL);
1094         g_signal_connect(G_OBJECT(action), "activate",
1095                          G_CALLBACK(external_handler_run), data);
1096         mi = webkit_context_menu_item_new_from_gaction(G_ACTION(action),
1097                                                        "Open with external handler",
1098                                                        NULL);
1099         webkit_context_menu_append(menu, mi);
1100         g_object_unref(action);
1101     }
1102
1103     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
1104     return FALSE;
1105 }
1106
1107 gboolean
1108 quit_if_nothing_active(void)
1109 {
1110     if (clients == 0)
1111     {
1112         if (downloads == 0)
1113         {
1114             gtk_main_quit();
1115             return TRUE;
1116         }
1117         else
1118             gtk_widget_show_all(dm.win);
1119     }
1120
1121     return FALSE;
1122 }
1123
1124 gboolean
1125 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
1126 {
1127     gchar *uri = NULL;
1128
1129     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
1130     if (uri)
1131     {
1132         g_strstrip(uri);
1133         client_new(uri, NULL, TRUE);
1134         g_free(uri);
1135     }
1136     return TRUE;
1137 }
1138
1139 void
1140 search(gpointer data, gint direction)
1141 {
1142     struct Client *c = (struct Client *)data;
1143     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
1144     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
1145
1146     if (search_text == NULL)
1147         return;
1148
1149     switch (direction)
1150     {
1151         case 0:
1152             webkit_find_controller_search(fc, search_text,
1153                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
1154                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
1155                                           G_MAXUINT);
1156             break;
1157         case 1:
1158             webkit_find_controller_search_next(fc);
1159             break;
1160         case -1:
1161             webkit_find_controller_search_previous(fc);
1162             break;
1163     }
1164 }
1165
1166 void
1167 show_web_view(WebKitWebView *web_view, gpointer data)
1168 {
1169     struct Client *c = (struct Client *)data;
1170
1171     (void)web_view;
1172
1173     gtk_widget_grab_focus(c->web_view);
1174     gtk_widget_show_all(c->win);
1175 }
1176
1177 Window
1178 tabbed_launch(void)
1179 {
1180     gint tabbed_stdout;
1181     GIOChannel *tabbed_stdout_channel;
1182     GError *err = NULL;
1183     gchar *output = NULL;
1184     char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
1185     Window plug_into;
1186
1187     if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
1188                                   NULL, NULL, NULL, &tabbed_stdout, NULL,
1189                                   &err))
1190     {
1191         fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
1192         g_error_free(err);
1193         return 0;
1194     }
1195
1196     tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
1197     if (tabbed_stdout_channel == NULL)
1198     {
1199         fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
1200         return 0;
1201     }
1202     g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
1203     g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
1204     if (output == NULL)
1205     {
1206         fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
1207         return 0;
1208     }
1209     g_strstrip(output);
1210     plug_into = strtol(output, NULL, 16);
1211     g_free(output);
1212     if (plug_into == 0)
1213         fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
1214     return plug_into;
1215 }
1216
1217 void
1218 trust_user_certs(WebKitWebContext *wc)
1219 {
1220     GTlsCertificate *cert;
1221     const gchar *basedir, *file, *absfile;
1222     GDir *dir;
1223
1224     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1225     dir = g_dir_open(basedir, 0, NULL);
1226     if (dir != NULL)
1227     {
1228         file = g_dir_read_name(dir);
1229         while (file != NULL)
1230         {
1231             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1232                                        file, NULL);
1233             cert = g_tls_certificate_new_from_file(absfile, NULL);
1234             if (cert == NULL)
1235                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1236             else
1237                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1238             file = g_dir_read_name(dir);
1239         }
1240         g_dir_close(dir);
1241     }
1242 }
1243
1244
1245 int
1246 main(int argc, char **argv)
1247 {
1248     gchar *c;
1249     int opt, i;
1250
1251     gtk_init(&argc, &argv);
1252     webkit_web_context_set_process_model(webkit_web_context_get_default(),
1253         WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1254
1255     grab_environment_configuration();
1256
1257     while ((opt = getopt(argc, argv, "e:CT")) != -1)
1258     {
1259         switch (opt)
1260         {
1261             case 'e':
1262                 embed = atol(optarg);
1263                 tabbed_automagic = FALSE;
1264                 break;
1265             case 'C':
1266                 cooperative_instances = FALSE;
1267                 break;
1268             case 'T':
1269                 tabbed_automagic = FALSE;
1270                 break;
1271             default:
1272                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1273                 exit(EXIT_FAILURE);
1274         }
1275     }
1276
1277     keywords_load();
1278     if (cooperative_instances)
1279         cooperation_setup();
1280     downloadmanager_setup();
1281
1282     if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
1283         embed = tabbed_launch();
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);
1296     else
1297     {
1298         for (i = optind; i < argc; i++)
1299             client_new(argv[i], NULL, TRUE);
1300     }
1301
1302     if (!cooperative_instances || cooperative_alone)
1303         gtk_main();
1304     exit(EXIT_SUCCESS);
1305 }