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 "        <meta charset=\"UTF-8\">"
 101 "        <title>Feeds</title>"
 102 "    </head>"
 103 "    <body>"
 104 "        <p>Feeds found on this page:</p>"
 105 "        <ul>"
 106 ;
 107
 108 static gchar *feed_html_footer =
 109 "        </ul>"
 110 "    </body>"
 111 "</html>"
 112 ;
 113
 114 static gchar *grab_feeds =
 115 "a = document.querySelectorAll('"
 116 "    html > head > link[rel=\"alternate\"][href][type=\"application/atom+xml\"],"
 117 "    html > head > link[rel=\"alternate\"][href][type=\"application/rss+xml\"]"
 118 "');"
 119 "if (a.length == 0)"
 120 "    null;"
 121 "else"
 122 "{"
 123 "    out = '';"
 124 "    for (i = 0; i < a.length; i++)"
 125 "    {"
 126 "        url = encodeURIComponent(a[i].href);"
 127 "        if ('title' in a[i] && a[i].title != '')"
 128 "            title = encodeURIComponent(a[i].title);"
 129 "        else"
 130 "            title = url;"
 131 "        out += '<li><a href=\"' + url + '\">' + title + '</a></li>';"
 132 "    }"
 133 "    out;"
 134 "}"
 135 ;
 136
 137
 138 void
 139 client_destroy(GtkWidget *widget, gpointer data)
 140 {
 141     struct Client *c = (struct Client *)data;
 142
 143     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
 144                                          changed_load_progress, c);
 145
 146     free(c);
 147     clients--;
 148
 149     quit_if_nothing_active();
 150 }
 151
 152 gboolean
 153 client_destroy_request(WebKitWebView *web_view, gpointer data)
 154 {
 155     struct Client *c = (struct Client *)data;
 156
 157     gtk_widget_destroy(c->win);
 158
 159     return TRUE;
 160 }
 161
 162 WebKitWebView *
 163 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show)
 164 {
 165     struct Client *c;
 166     WebKitWebContext *wc;
 167     gchar *f;
 168
 169     if (uri != NULL && cooperative_instances && !cooperative_alone)
 170     {
 171         f = ensure_uri_scheme(uri);
 172         write(cooperative_pipe_fp, f, strlen(f));
 173         write(cooperative_pipe_fp, "\n", 1);
 174         g_free(f);
 175         return NULL;
 176     }
 177
 178     c = calloc(1, sizeof(struct Client));
 179     if (!c)
 180     {
 181         fprintf(stderr, __NAME__": fatal: calloc failed\n");
 182         exit(EXIT_FAILURE);
 183     }
 184
 185     if (embed != 0)
 186     {
 187         c->win = gtk_plug_new(embed);
 188         if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 189         {
 190             fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 191             gtk_widget_destroy(c->win);
 192             c->win = NULL;
 193             embed = 0;
 194         }
 195     }
 196
 197     if (c->win == NULL)
 198         c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 199
 200     gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 201
 202     g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 203     gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 204
 205     if (related_wv == NULL)
 206         c->web_view = webkit_web_view_new();
 207     else
 208         c->web_view = webkit_web_view_new_with_related_view(related_wv);
 209     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 210
 211     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 212     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 213                      G_CALLBACK(changed_title), c);
 214     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 215                      G_CALLBACK(changed_uri), c);
 216     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 217                      G_CALLBACK(changed_load_progress), c);
 218     g_signal_connect(G_OBJECT(c->web_view), "create",
 219                      G_CALLBACK(client_new_request), NULL);
 220     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 221                      G_CALLBACK(menu_web_view), c);
 222     g_signal_connect(G_OBJECT(c->web_view), "close",
 223                      G_CALLBACK(client_destroy_request), c);
 224     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 225                      G_CALLBACK(decide_policy), NULL);
 226     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 227                      G_CALLBACK(key_web_view), c);
 228     g_signal_connect(G_OBJECT(c->web_view), "button-release-event",
 229                      G_CALLBACK(key_web_view), c);
 230     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 231                      G_CALLBACK(key_web_view), c);
 232     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 233                      G_CALLBACK(hover_web_view), c);
 234     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 235                      G_CALLBACK(crashed_web_view), c);
 236
 237     if (!initial_wc_setup_done)
 238     {
 239         if (accepted_language[0] != NULL)
 240             webkit_web_context_set_preferred_languages(wc, accepted_language);
 241
 242         g_signal_connect(G_OBJECT(wc), "download-started",
 243                          G_CALLBACK(download_handle_start), NULL);
 244
 245         trust_user_certs(wc);
 246
 247         initial_wc_setup_done = TRUE;
 248     }
 249
 250     if (user_agent != NULL)
 251         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 252                      "user-agent", user_agent, NULL);
 253
 254     if (enable_console_to_stdout)
 255         webkit_settings_set_enable_write_console_messages_to_stdout(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 256
 257     if (enable_webgl)
 258         webkit_settings_set_enable_webgl(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 259
 260     c->location = gtk_entry_new();
 261     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 262                      G_CALLBACK(key_location), c);
 263     g_signal_connect(G_OBJECT(c->location), "icon-release",
 264                      G_CALLBACK(icon_location), c);
 265     /* XXX This is a workaround. Setting this to NULL (which is done in
 266      * feed_icon() if no feed has been detected) adds a little padding
 267      * left of the text. Not sure why. The point of this call right
 268      * here is to have that padding right from the start. This avoids a
 269      * graphical artifact. */
 270     gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 271                                       GTK_ENTRY_ICON_PRIMARY,
 272                                       NULL);
 273
 274     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 275     gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 276     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 277
 278     gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 279
 280     if (show)
 281         show_web_view(NULL, c);
 282     else
 283         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 284                          G_CALLBACK(show_web_view), c);
 285
 286     if (uri != NULL)
 287     {
 288         f = ensure_uri_scheme(uri);
 289         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 290         g_free(f);
 291     }
 292
 293     clients++;
 294
 295     return WEBKIT_WEB_VIEW(c->web_view);
 296 }
 297
 298 WebKitWebView *
 299 client_new_request(WebKitWebView *web_view,
 300                    WebKitNavigationAction *navigation_action, gpointer data)
 301 {
 302     return client_new(NULL, web_view, FALSE);
 303 }
 304
 305 void
 306 cooperation_setup(void)
 307 {
 308     GIOChannel *towatch;
 309     gchar *fifofilename, *fifopath;
 310
 311     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 312     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 313     g_free(fifofilename);
 314
 315     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 316         mkfifo(fifopath, 0600);
 317
 318     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 319     if (!cooperative_pipe_fp)
 320     {
 321         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 322     }
 323     else
 324     {
 325         if (write(cooperative_pipe_fp, "", 0) == -1)
 326         {
 327             /* Could not do an empty write to the FIFO which means there's
 328              * no one listening. */
 329             close(cooperative_pipe_fp);
 330             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 331             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 332         }
 333         else
 334             cooperative_alone = FALSE;
 335     }
 336
 337     g_free(fifopath);
 338 }
 339
 340 void
 341 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 342 {
 343     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 344     WebKitURIResponse *resp;
 345     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 346     gdouble p, size_mb;
 347     const gchar *uri;
 348     gchar *t, *filename, *base;
 349
 350     p = webkit_download_get_estimated_progress(download);
 351     p = p > 1 ? 1 : p;
 352     p = p < 0 ? 0 : p;
 353     p *= 100;
 354     resp = webkit_download_get_response(download);
 355     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 356
 357     uri = webkit_download_get_destination(download);
 358     filename = g_filename_from_uri(uri, NULL, NULL);
 359     if (filename == NULL)
 360     {
 361         /* This really should not happen because WebKit uses that URI to
 362          * write to a file... */
 363         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 364         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 365                             webkit_uri_response_get_uri(resp), p, size_mb);
 366     }
 367     else
 368     {
 369         base = g_path_get_basename(filename);
 370         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 371         g_free(filename);
 372         g_free(base);
 373     }
 374     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 375     g_free(t);
 376 }
 377
 378 void
 379 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 380 {
 381     struct Client *c = (struct Client *)data;
 382     gdouble p;
 383
 384     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 385     if (p == 1)
 386     {
 387         p = 0;
 388
 389         /* The page has loaded fully. We now run a short JavaScript
 390          * snippet that operates on the DOM. It tries to grab all
 391          * occurences of <link rel="alternate" ...>, i.e. RSS/Atom feed
 392          * references. */
 393         webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view),
 394                                        grab_feeds, NULL,
 395                                        grab_feeds_finished, c);
 396     }
 397     gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 398 }
 399
 400 void
 401 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 402 {
 403     const gchar *t, *u;
 404     struct Client *c = (struct Client *)data;
 405
 406     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 407     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 408
 409     u = u == NULL ? __NAME__ : u;
 410     u = u[0] == 0 ? __NAME__ : u;
 411
 412     t = t == NULL ? u : t;
 413     t = t[0] == 0 ? u : t;
 414
 415     gtk_window_set_title(GTK_WINDOW(c->win), t);
 416 }
 417
 418 void
 419 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 420 {
 421     const gchar *t;
 422     struct Client *c = (struct Client *)data;
 423     FILE *fp;
 424
 425     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 426
 427     /* When a web process crashes, we get a "notify::uri" signal, but we
 428      * can no longer read a meaningful URI. It's just an empty string
 429      * now. Not updating the location bar in this scenario is important,
 430      * because we would override the "WEB PROCESS CRASHED" message. */
 431     if (t != NULL && strlen(t) > 0)
 432     {
 433         gtk_entry_set_text(GTK_ENTRY(c->location), t);
 434
 435         if (history_file != NULL)
 436         {
 437             fp = fopen(history_file, "a");
 438             if (fp != NULL)
 439             {
 440                 fprintf(fp, "%s\n", t);
 441                 fclose(fp);
 442             }
 443             else
 444                 perror(__NAME__": Error opening history file");
 445         }
 446     }
 447 }
 448
 449 gboolean
 450 crashed_web_view(WebKitWebView *web_view, gpointer data)
 451 {
 452     gchar *t;
 453     struct Client *c = (struct Client *)data;
 454
 455     t = g_strdup_printf("WEB PROCESS CRASHED: %s",
 456                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
 457     gtk_entry_set_text(GTK_ENTRY(c->location), t);
 458     g_free(t);
 459
 460     return TRUE;
 461 }
 462
 463 gboolean
 464 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 465               WebKitPolicyDecisionType type, gpointer data)
 466 {
 467     WebKitResponsePolicyDecision *r;
 468
 469     switch (type)
 470     {
 471         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 472             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 473             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 474                 webkit_policy_decision_download(decision);
 475             else
 476                 webkit_policy_decision_use(decision);
 477             break;
 478         default:
 479             /* Use whatever default there is. */
 480             return FALSE;
 481     }
 482     return TRUE;
 483 }
 484
 485 void
 486 download_handle_finished(WebKitDownload *download, gpointer data)
 487 {
 488     downloads--;
 489 }
 490
 491 void
 492 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 493                       gpointer data)
 494 {
 495     g_signal_connect(G_OBJECT(download), "decide-destination",
 496                      G_CALLBACK(download_handle), data);
 497 }
 498
 499 gboolean
 500 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 501 {
 502     gchar *sug_clean, *path, *path2 = NULL, *uri;
 503     GtkToolItem *tb;
 504     int suffix = 1;
 505     size_t i;
 506
 507     sug_clean = g_strdup(suggested_filename);
 508     for (i = 0; i < strlen(sug_clean); i++)
 509         if (sug_clean[i] == G_DIR_SEPARATOR)
 510             sug_clean[i] = '_';
 511
 512     path = g_build_filename(download_dir, sug_clean, NULL);
 513     path2 = g_strdup(path);
 514     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 515     {
 516         g_free(path2);
 517
 518         path2 = g_strdup_printf("%s.%d", path, suffix);
 519         suffix++;
 520     }
 521
 522     if (suffix == 1000)
 523     {
 524         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 525         webkit_download_cancel(download);
 526     }
 527     else
 528     {
 529         uri = g_filename_to_uri(path2, NULL, NULL);
 530         webkit_download_set_destination(download, uri);
 531         g_free(uri);
 532
 533         tb = gtk_tool_button_new(NULL, NULL);
 534         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 535         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 536         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 537         gtk_widget_show_all(dm.win);
 538
 539         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 540                          G_CALLBACK(changed_download_progress), tb);
 541
 542         downloads++;
 543         g_signal_connect(G_OBJECT(download), "finished",
 544                          G_CALLBACK(download_handle_finished), NULL);
 545
 546         g_object_ref(download);
 547         g_signal_connect(G_OBJECT(tb), "clicked",
 548                          G_CALLBACK(downloadmanager_cancel), download);
 549     }
 550
 551     g_free(sug_clean);
 552     g_free(path);
 553     g_free(path2);
 554
 555     /* Propagate -- to whom it may concern. */
 556     return FALSE;
 557 }
 558
 559 void
 560 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 561 {
 562     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 563
 564     webkit_download_cancel(download);
 565     g_object_unref(download);
 566
 567     gtk_widget_destroy(GTK_WIDGET(tb));
 568 }
 569
 570 gboolean
 571 downloadmanager_delete(GtkWidget *obj, gpointer data)
 572 {
 573     if (!quit_if_nothing_active())
 574         gtk_widget_hide(dm.win);
 575
 576     return TRUE;
 577 }
 578
 579 void
 580 downloadmanager_setup(void)
 581 {
 582     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 583     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 584     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 585     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 586     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 587                      G_CALLBACK(downloadmanager_delete), NULL);
 588     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 589                      G_CALLBACK(key_downloadmanager), NULL);
 590
 591     dm.toolbar = gtk_toolbar_new();
 592     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 593                                    GTK_ORIENTATION_VERTICAL);
 594     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 595     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 596
 597     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 598     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 599                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 600     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 601
 602     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 603 }
 604
 605 gchar *
 606 ensure_uri_scheme(const gchar *t)
 607 {
 608     gchar *f, *fabs;
 609
 610     f = g_ascii_strdown(t, -1);
 611     if (!g_str_has_prefix(f, "http:") &&
 612         !g_str_has_prefix(f, "https:") &&
 613         !g_str_has_prefix(f, "file:") &&
 614         !g_str_has_prefix(f, "about:") &&
 615         !g_str_has_prefix(f, "data:"))
 616     {
 617         g_free(f);
 618         fabs = realpath(t, NULL);
 619         if (fabs != NULL)
 620         {
 621             f = g_strdup_printf("file://%s", fabs);
 622             free(fabs);
 623         }
 624         else
 625             f = g_strdup_printf("http://%s", t);
 626         return f;
 627     }
 628     else
 629         return g_strdup(t);
 630 }
 631
 632 void
 633 external_handler_run(GSimpleAction *simple, GVariant *param, gpointer data)
 634 {
 635     struct Client *c = (struct Client *)data;
 636     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 637     GPid pid;
 638     GError *err = NULL;
 639
 640     (void)simple;
 641     (void)param;
 642
 643     argv[2] = c->external_handler_uri;
 644     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 645                        &pid, &err))
 646     {
 647         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 648                 err->message);
 649         g_error_free(err);
 650     }
 651     else
 652         g_spawn_close_pid(pid);
 653 }
 654
 655 void feed_icon(gpointer user_data, gchar *feed_html)
 656 {
 657     struct Client *c = (struct Client *)user_data;
 658
 659     if (feed_html != NULL)
 660     {
 661         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 662                                           GTK_ENTRY_ICON_PRIMARY,
 663                                           "application-rss+xml-symbolic");
 664         gtk_entry_set_icon_activatable(GTK_ENTRY(c->location),
 665                                        GTK_ENTRY_ICON_PRIMARY,
 666                                        TRUE);
 667
 668         if (c->feed_html != NULL)
 669             g_free(c->feed_html);
 670         c->feed_html = g_strdup(feed_html);
 671     }
 672     else
 673     {
 674         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 675                                           GTK_ENTRY_ICON_PRIMARY,
 676                                           NULL);
 677     }
 678 }
 679
 680 void
 681 grab_environment_configuration(void)
 682 {
 683     const gchar *e;
 684
 685     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 686     if (e != NULL)
 687         accepted_language[0] = g_strdup(e);
 688
 689     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 690     if (e != NULL)
 691         download_dir = g_strdup(e);
 692
 693     e = g_getenv(__NAME_UPPERCASE__"_ENABLE_CONSOLE_TO_STDOUT");
 694     if (e != NULL)
 695         enable_console_to_stdout = TRUE;
 696
 697     e = g_getenv(__NAME_UPPERCASE__"_ENABLE_EXPERIMENTAL_WEBGL");
 698     if (e != NULL)
 699         enable_webgl = TRUE;
 700
 701     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 702     if (e != NULL)
 703         fifo_suffix = g_strdup(e);
 704
 705     e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE");
 706     if (e != NULL)
 707         history_file = g_strdup(e);
 708
 709     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 710     if (e != NULL)
 711         home_uri = g_strdup(e);
 712
 713     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 714     if (e != NULL)
 715         user_agent = g_strdup(e);
 716
 717     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 718     if (e != NULL)
 719         global_zoom = atof(e);
 720 }
 721
 722 void
 723 grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data)
 724 {
 725     WebKitJavascriptResult *js_result;
 726     JSValueRef value;
 727     JSGlobalContextRef context;
 728     GError *err = NULL;
 729     JSStringRef js_str_value;
 730     gchar *str_value;
 731     gsize str_length;
 732
 733     /* This was taken almost verbatim from the example in WebKit's
 734      * documentation. */
 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     context = webkit_javascript_result_get_global_context(js_result);
 746     value = webkit_javascript_result_get_value(js_result);
 747
 748     if (JSValueIsString(context, value))
 749     {
 750         js_str_value = JSValueToStringCopy(context, value, NULL);
 751         str_length = JSStringGetMaximumUTF8CStringSize(js_str_value);
 752         str_value = (gchar *)g_malloc(str_length);
 753         JSStringGetUTF8CString(js_str_value, str_value, str_length);
 754         JSStringRelease(js_str_value);
 755         feed_icon(data, str_value);
 756         g_free(str_value);
 757     }
 758     else
 759         feed_icon(data, NULL);
 760
 761     webkit_javascript_result_unref(js_result);
 762 }
 763
 764 void
 765 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 766                gpointer data)
 767 {
 768     struct Client *c = (struct Client *)data;
 769
 770     if (!gtk_widget_is_focus(c->location))
 771     {
 772         if (webkit_hit_test_result_context_is_link(ht))
 773         {
 774             gtk_entry_set_text(GTK_ENTRY(c->location),
 775                                webkit_hit_test_result_get_link_uri(ht));
 776
 777             if (c->hover_uri != NULL)
 778                 g_free(c->hover_uri);
 779             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 780         }
 781         else
 782         {
 783             gtk_entry_set_text(GTK_ENTRY(c->location),
 784                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 785
 786             if (c->hover_uri != NULL)
 787                 g_free(c->hover_uri);
 788             c->hover_uri = NULL;
 789         }
 790     }
 791 }
 792
 793 void
 794 icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event, gpointer data)
 795 {
 796     struct Client *c = (struct Client *)data;
 797     gchar *d;
 798
 799     if (c->feed_html != NULL)
 800     {
 801         /* What we're actually trying to do is show a simple HTML page
 802          * that lists all the feeds on the current page. The function
 803          * webkit_web_view_load_html() looks like the proper way to do
 804          * that. Sad thing is, it doesn't create a history entry, but
 805          * instead simply replaces the content of the current page. This
 806          * is not what we want.
 807          *
 808          * RFC 2397 [0] defines the data URI scheme [1]. We abuse this
 809          * mechanism to show my custom HTML snippet *and* create a
 810          * history entry.
 811          *
 812          * [0]: https://tools.ietf.org/html/rfc2397
 813          * [1]: https://en.wikipedia.org/wiki/Data_URI_scheme */
 814         d = g_strdup_printf("data:text/html,%s%s%s",
 815                             feed_html_header,
 816                             c->feed_html,
 817                             feed_html_footer);
 818         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d);
 819         g_free(d);
 820     }
 821 }
 822
 823 gboolean
 824 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 825 {
 826     struct Client *c = (struct Client *)data;
 827     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 828     gchar *f;
 829
 830     if (event->type == GDK_KEY_PRESS)
 831     {
 832         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 833         {
 834             switch (((GdkEventKey *)event)->keyval)
 835             {
 836                 case GDK_KEY_q:  /* close window (left hand) */
 837                     gtk_widget_destroy(c->win);
 838                     return TRUE;
 839                 case GDK_KEY_w:  /* home (left hand) */
 840                     f = ensure_uri_scheme(home_uri);
 841                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 842                     g_free(f);
 843                     return TRUE;
 844                 case GDK_KEY_e:  /* new tab (left hand) */
 845                     f = ensure_uri_scheme(home_uri);
 846                     client_new(f, NULL, TRUE);
 847                     g_free(f);
 848                     return TRUE;
 849                 case GDK_KEY_r:  /* reload (left hand) */
 850                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 851                                                         c->web_view));
 852                     return TRUE;
 853                 case GDK_KEY_d:  /* download manager (left hand) */
 854                     gtk_widget_show_all(dm.win);
 855                     return TRUE;
 856                 case GDK_KEY_2:  /* search forward (left hand) */
 857                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 858                     search(c, 1);
 859                     return TRUE;
 860                 case GDK_KEY_3:  /* search backward (left hand) */
 861                     search(c, -1);
 862                     return TRUE;
 863                 case GDK_KEY_l:  /* location (BOTH hands) */
 864                     gtk_widget_grab_focus(c->location);
 865                     return TRUE;
 866                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 867                     gtk_widget_grab_focus(c->location);
 868                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 869                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 870                     return TRUE;
 871                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 872                     trust_user_certs(wc);
 873                     return TRUE;
 874                 case GDK_KEY_x:  /* launch external handler (left hand) */
 875                     if (c->external_handler_uri != NULL)
 876                         g_free(c->external_handler_uri);
 877                     c->external_handler_uri = g_strdup(
 878                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 879                     external_handler_run(NULL, NULL, c);
 880                     return TRUE;
 881             }
 882         }
 883         /* navigate backward (left hand) */
 884         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 885         {
 886             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 887             return TRUE;
 888         }
 889         /* navigate forward (left hand) */
 890         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 891         {
 892             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 893             return TRUE;
 894         }
 895     }
 896
 897     return FALSE;
 898 }
 899
 900 gboolean
 901 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 902 {
 903     if (event->type == GDK_KEY_PRESS)
 904     {
 905         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 906         {
 907             switch (((GdkEventKey *)event)->keyval)
 908             {
 909                 case GDK_KEY_d:  /* close window (left hand) */
 910                 case GDK_KEY_q:
 911                     downloadmanager_delete(dm.win, NULL);
 912                     return TRUE;
 913             }
 914         }
 915     }
 916
 917     return FALSE;
 918 }
 919
 920 gboolean
 921 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 922 {
 923     struct Client *c = (struct Client *)data;
 924     const gchar *t;
 925     gchar *f;
 926
 927     if (key_common(widget, event, data))
 928         return TRUE;
 929
 930     if (event->type == GDK_KEY_PRESS)
 931     {
 932         switch (((GdkEventKey *)event)->keyval)
 933         {
 934             case GDK_KEY_KP_Enter:
 935             case GDK_KEY_Return:
 936                 gtk_widget_grab_focus(c->web_view);
 937                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 938                 if (t != NULL && t[0] == ':' && t[1] == '/')
 939                 {
 940                     if (search_text != NULL)
 941                         g_free(search_text);
 942                     search_text = g_strdup(t + 2);
 943                     search(c, 0);
 944                 }
 945                 else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 946                 {
 947                     f = ensure_uri_scheme(t);
 948                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 949                     g_free(f);
 950                 }
 951                 return TRUE;
 952             case GDK_KEY_Escape:
 953                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 954                 gtk_entry_set_text(GTK_ENTRY(c->location),
 955                                    (t == NULL ? __NAME__ : t));
 956                 return TRUE;
 957         }
 958     }
 959
 960     return FALSE;
 961 }
 962
 963 gboolean
 964 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 965 {
 966     struct Client *c = (struct Client *)data;
 967     gdouble dx, dy;
 968     gfloat z;
 969
 970     if (key_common(widget, event, data))
 971         return TRUE;
 972
 973     if (event->type == GDK_KEY_PRESS)
 974     {
 975         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 976         {
 977             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 978             gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
 979         }
 980     }
 981     else if (event->type == GDK_BUTTON_RELEASE)
 982     {
 983         switch (((GdkEventButton *)event)->button)
 984         {
 985             case 2:
 986                 if (c->hover_uri != NULL)
 987                 {
 988                     client_new(c->hover_uri, NULL, TRUE);
 989                     return TRUE;
 990                 }
 991                 break;
 992             case 8:
 993                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 994                 return TRUE;
 995             case 9:
 996                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 997                 return TRUE;
 998         }
 999     }
1000     else if (event->type == GDK_SCROLL)
1001     {
1002         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
1003             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
1004         {
1005             gdk_event_get_scroll_deltas(event, &dx, &dy);
1006             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
1007             z += -dy * 0.1;
1008             z = dx != 0 ? global_zoom : z;
1009             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
1010             return TRUE;
1011         }
1012     }
1013
1014     return FALSE;
1015 }
1016
1017 void
1018 keywords_load(void)
1019 {
1020     GError *err = NULL;
1021     GIOChannel *channel = NULL;
1022     gchar *path = NULL, *buf = NULL;
1023     gchar **tokens = NULL;
1024
1025     keywords = g_hash_table_new(g_str_hash, g_str_equal);
1026
1027     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
1028                             NULL);
1029     channel = g_io_channel_new_file(path, "r", &err);
1030     if (channel != NULL)
1031     {
1032         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
1033                == G_IO_STATUS_NORMAL)
1034         {
1035             g_strstrip(buf);
1036             if (buf[0] != '#')
1037             {
1038                 tokens = g_strsplit(buf, " ", 2);
1039                 if (tokens[0] != NULL && tokens[1] != NULL)
1040                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
1041                                         g_strdup(tokens[1]));
1042                 g_strfreev(tokens);
1043             }
1044             g_free(buf);
1045         }
1046         g_io_channel_shutdown(channel, FALSE, NULL);
1047     }
1048     g_free(path);
1049 }
1050
1051 gboolean
1052 keywords_try_search(WebKitWebView *web_view, const gchar *t)
1053 {
1054     gboolean ret = FALSE;
1055     gchar **tokens = NULL;
1056     gchar *val = NULL, *escaped = NULL, *uri = NULL;
1057
1058     tokens = g_strsplit(t, " ", 2);
1059     if (tokens[0] != NULL && tokens[1] != NULL)
1060     {
1061         val = g_hash_table_lookup(keywords, tokens[0]);
1062         if (val != NULL)
1063         {
1064             escaped = g_uri_escape_string(tokens[1], NULL, TRUE);
1065             uri = g_strdup_printf((gchar *)val, escaped);
1066             webkit_web_view_load_uri(web_view, uri);
1067             g_free(uri);
1068             g_free(escaped);
1069             ret = TRUE;
1070         }
1071     }
1072     g_strfreev(tokens);
1073
1074     return ret;
1075 }
1076
1077 gboolean
1078 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
1079               WebKitHitTestResult *ht, gpointer data)
1080 {
1081     struct Client *c = (struct Client *)data;
1082     GSimpleAction *action = NULL;
1083     WebKitContextMenuItem *mi = NULL;
1084     const gchar *uri = NULL;
1085
1086     (void)ev;
1087
1088     if (webkit_hit_test_result_context_is_link(ht))
1089         uri = webkit_hit_test_result_get_link_uri(ht);
1090     else if (webkit_hit_test_result_context_is_image(ht))
1091         uri = webkit_hit_test_result_get_image_uri(ht);
1092     else if (webkit_hit_test_result_context_is_media(ht))
1093         uri = webkit_hit_test_result_get_media_uri(ht);
1094
1095     if (uri != NULL)
1096     {
1097         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
1098
1099         if (c->external_handler_uri != NULL)
1100             g_free(c->external_handler_uri);
1101         c->external_handler_uri = g_strdup(uri);
1102         action = g_simple_action_new("external_handler", NULL);
1103         g_signal_connect(G_OBJECT(action), "activate",
1104                          G_CALLBACK(external_handler_run), data);
1105         mi = webkit_context_menu_item_new_from_gaction(G_ACTION(action),
1106                                                        "Open with external handler",
1107                                                        NULL);
1108         webkit_context_menu_append(menu, mi);
1109         g_object_unref(action);
1110     }
1111
1112     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
1113     return FALSE;
1114 }
1115
1116 gboolean
1117 quit_if_nothing_active(void)
1118 {
1119     if (clients == 0)
1120     {
1121         if (downloads == 0)
1122         {
1123             gtk_main_quit();
1124             return TRUE;
1125         }
1126         else
1127             gtk_widget_show_all(dm.win);
1128     }
1129
1130     return FALSE;
1131 }
1132
1133 gboolean
1134 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
1135 {
1136     gchar *uri = NULL;
1137
1138     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
1139     if (uri)
1140     {
1141         g_strstrip(uri);
1142         client_new(uri, NULL, TRUE);
1143         g_free(uri);
1144     }
1145     return TRUE;
1146 }
1147
1148 void
1149 search(gpointer data, gint direction)
1150 {
1151     struct Client *c = (struct Client *)data;
1152     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
1153     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
1154
1155     if (search_text == NULL)
1156         return;
1157
1158     switch (direction)
1159     {
1160         case 0:
1161             webkit_find_controller_search(fc, search_text,
1162                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
1163                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
1164                                           G_MAXUINT);
1165             break;
1166         case 1:
1167             webkit_find_controller_search_next(fc);
1168             break;
1169         case -1:
1170             webkit_find_controller_search_previous(fc);
1171             break;
1172     }
1173 }
1174
1175 void
1176 show_web_view(WebKitWebView *web_view, gpointer data)
1177 {
1178     struct Client *c = (struct Client *)data;
1179
1180     (void)web_view;
1181
1182     gtk_widget_grab_focus(c->web_view);
1183     gtk_widget_show_all(c->win);
1184 }
1185
1186 Window
1187 tabbed_launch(void)
1188 {
1189     gint tabbed_stdout;
1190     GIOChannel *tabbed_stdout_channel;
1191     GError *err = NULL;
1192     gchar *output = NULL;
1193     char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
1194     Window plug_into;
1195
1196     if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
1197                                   NULL, NULL, NULL, &tabbed_stdout, NULL,
1198                                   &err))
1199     {
1200         fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
1201         g_error_free(err);
1202         return 0;
1203     }
1204
1205     tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
1206     if (tabbed_stdout_channel == NULL)
1207     {
1208         fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
1209         return 0;
1210     }
1211     g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
1212     g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
1213     if (output == NULL)
1214     {
1215         fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
1216         return 0;
1217     }
1218     g_strstrip(output);
1219     plug_into = strtol(output, NULL, 16);
1220     g_free(output);
1221     if (plug_into == 0)
1222         fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
1223     return plug_into;
1224 }
1225
1226 void
1227 trust_user_certs(WebKitWebContext *wc)
1228 {
1229     GTlsCertificate *cert;
1230     const gchar *basedir, *file, *absfile;
1231     GDir *dir;
1232
1233     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1234     dir = g_dir_open(basedir, 0, NULL);
1235     if (dir != NULL)
1236     {
1237         file = g_dir_read_name(dir);
1238         while (file != NULL)
1239         {
1240             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1241                                        file, NULL);
1242             cert = g_tls_certificate_new_from_file(absfile, NULL);
1243             if (cert == NULL)
1244                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1245             else
1246                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1247             file = g_dir_read_name(dir);
1248         }
1249         g_dir_close(dir);
1250     }
1251 }
1252
1253
1254 int
1255 main(int argc, char **argv)
1256 {
1257     gchar *c;
1258     int opt, i;
1259
1260     gtk_init(&argc, &argv);
1261     webkit_web_context_set_process_model(webkit_web_context_get_default(),
1262         WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1263
1264     grab_environment_configuration();
1265
1266     while ((opt = getopt(argc, argv, "e:CT")) != -1)
1267     {
1268         switch (opt)
1269         {
1270             case 'e':
1271                 embed = atol(optarg);
1272                 tabbed_automagic = FALSE;
1273                 break;
1274             case 'C':
1275                 cooperative_instances = FALSE;
1276                 break;
1277             case 'T':
1278                 tabbed_automagic = FALSE;
1279                 break;
1280             default:
1281                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1282                 exit(EXIT_FAILURE);
1283         }
1284     }
1285
1286     keywords_load();
1287     if (cooperative_instances)
1288         cooperation_setup();
1289     downloadmanager_setup();
1290
1291     if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
1292         embed = tabbed_launch();
1293
1294     if (!cooperative_instances || cooperative_alone)
1295     {
1296         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1297                              NULL);
1298         webkit_web_context_set_web_extensions_directory(
1299             webkit_web_context_get_default(), c
1300         );
1301     }
1302
1303     if (optind >= argc)
1304         client_new(home_uri, NULL, TRUE);
1305     else
1306     {
1307         for (i = optind; i < argc; i++)
1308             client_new(argv[i], NULL, TRUE);
1309     }
1310
1311     if (!cooperative_instances || cooperative_alone)
1312         gtk_main();
1313     exit(EXIT_SUCCESS);
1314 }