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 gboolean button_tablabel(GtkWidget *, GdkEvent *, gpointer);
  18 void client_destroy(GtkWidget *, gpointer);
  19 WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean,
  20                           gboolean);
  21 WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  22                                   gpointer);
  23 void cooperation_setup(void);
  24 void changed_download_progress(GObject *, GParamSpec *, gpointer);
  25 void changed_load_progress(GObject *, GParamSpec *, gpointer);
  26 void changed_favicon(GObject *, GParamSpec *, gpointer);
  27 void changed_title(GObject *, GParamSpec *, gpointer);
  28 void changed_uri(GObject *, GParamSpec *, gpointer);
  29 gboolean crashed_web_view(WebKitWebView *, gpointer);
  30 gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  31                        WebKitPolicyDecisionType, gpointer);
  32 gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  33 void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
  34 void downloadmanager_cancel(GtkToolButton *, gpointer);
  35 gboolean downloadmanager_delete(GtkWidget *, gpointer);
  36 void downloadmanager_setup(void);
  37 gchar *ensure_uri_scheme(const gchar *);
  38 void external_handler_run(GSimpleAction *, GVariant *, gpointer);
  39 void grab_environment_configuration(void);
  40 void grab_feeds_finished(GObject *, GAsyncResult *, gpointer);
  41 void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  42 void icon_location(GtkEntry *, GtkEntryIconPosition, GdkEvent *, gpointer);
  43 gboolean key_common(GtkWidget *, GdkEvent *, gpointer);
  44 gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  45 gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  46 gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  47 void mainwindow_setup(void);
  48 gboolean menu_web_view(WebKitWebView *, WebKitContextMenu *, GdkEvent *,
  49                        WebKitHitTestResult *, gpointer);
  50 gboolean quit_if_nothing_active(void);
  51 gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  52 void run_user_scripts(WebKitWebView *);
  53 void search(gpointer, gint);
  54 void show_web_view(WebKitWebView *, gpointer);
  55 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 *tabicon;
  65     GtkWidget *tablabel;
  66     GtkWidget *vbox;
  67     GtkWidget *web_view;
  68     gboolean focus_new_tab;
  69 };
  70
  71 struct MainWindow
  72 {
  73     GtkWidget *win;
  74     GtkWidget *notebook;
  75 } mw;
  76
  77 struct DownloadManager
  78 {
  79     GtkWidget *scroll;
  80     GtkWidget *toolbar;
  81     GtkWidget *win;
  82 } dm;
  83
  84
  85 const gchar *accepted_language[2] = { NULL, NULL };
  86 gint clients = 0, downloads = 0;
  87 gboolean cooperative_alone = TRUE;
  88 gboolean cooperative_instances = TRUE;
  89 int cooperative_pipe_fp = 0;
  90 gchar *download_dir = "/var/tmp";
  91 gboolean enable_console_to_stdout = FALSE;
  92 gchar *fifo_suffix = "main";
  93 gdouble global_zoom = 1.0;
  94 gchar *history_file = NULL;
  95 gchar *home_uri = "about:blank";
  96 gboolean initial_wc_setup_done = FALSE;
  97 gchar *search_text = NULL;
  98 GtkPositionType tab_pos = GTK_POS_TOP;
  99 gint tab_width_chars = 20;
 100 gchar *user_agent = NULL;
 101
 102
 103 gboolean
 104 button_tablabel(GtkWidget *widget, GdkEvent *event, gpointer data)
 105 {
 106     if (event->type == GDK_BUTTON_RELEASE)
 107     {
 108         switch (((GdkEventButton *)event)->button)
 109         {
 110             case 2:
 111                 client_destroy(NULL, data);
 112                 return TRUE;
 113         }
 114     }
 115     return FALSE;
 116 }
 117
 118 void
 119 client_destroy(GtkWidget *widget, gpointer data)
 120 {
 121     struct Client *c = (struct Client *)data;
 122     gint idx;
 123
 124     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
 125                                          changed_load_progress, c);
 126
 127     idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
 128     if (idx == -1)
 129         fprintf(stderr, __NAME__": Tab index was -1, bamboozled\n");
 130     else
 131         gtk_notebook_remove_page(GTK_NOTEBOOK(mw.notebook), idx);
 132
 133     free(c);
 134     clients--;
 135
 136     quit_if_nothing_active();
 137 }
 138
 139 WebKitWebView *
 140 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show,
 141            gboolean focus_tab)
 142 {
 143     struct Client *c;
 144     WebKitWebContext *wc;
 145     gchar *f;
 146     GtkWidget *evbox, *tabbox;
 147
 148     if (uri != NULL && cooperative_instances && !cooperative_alone)
 149     {
 150         f = ensure_uri_scheme(uri);
 151         write(cooperative_pipe_fp, f, strlen(f));
 152         write(cooperative_pipe_fp, "\n", 1);
 153         g_free(f);
 154         return NULL;
 155     }
 156
 157     c = calloc(1, sizeof(struct Client));
 158     if (!c)
 159     {
 160         fprintf(stderr, __NAME__": fatal: calloc failed\n");
 161         exit(EXIT_FAILURE);
 162     }
 163
 164     c->focus_new_tab = focus_tab;
 165
 166     if (related_wv == NULL)
 167         c->web_view = webkit_web_view_new();
 168     else
 169         c->web_view = webkit_web_view_new_with_related_view(related_wv);
 170     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 171
 172     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 173     g_signal_connect(G_OBJECT(c->web_view), "notify::favicon",
 174                      G_CALLBACK(changed_favicon), c);
 175     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 176                      G_CALLBACK(changed_title), c);
 177     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 178                      G_CALLBACK(changed_uri), c);
 179     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 180                      G_CALLBACK(changed_load_progress), c);
 181     g_signal_connect(G_OBJECT(c->web_view), "create",
 182                      G_CALLBACK(client_new_request), NULL);
 183     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 184                      G_CALLBACK(menu_web_view), c);
 185     g_signal_connect(G_OBJECT(c->web_view), "close",
 186                      G_CALLBACK(client_destroy), c);
 187     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 188                      G_CALLBACK(decide_policy), NULL);
 189     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 190                      G_CALLBACK(key_web_view), c);
 191     g_signal_connect(G_OBJECT(c->web_view), "button-release-event",
 192                      G_CALLBACK(key_web_view), c);
 193     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 194                      G_CALLBACK(key_web_view), c);
 195     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 196                      G_CALLBACK(hover_web_view), c);
 197     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 198                      G_CALLBACK(crashed_web_view), c);
 199
 200     if (!initial_wc_setup_done)
 201     {
 202         if (accepted_language[0] != NULL)
 203             webkit_web_context_set_preferred_languages(wc, accepted_language);
 204
 205         g_signal_connect(G_OBJECT(wc), "download-started",
 206                          G_CALLBACK(download_handle_start), NULL);
 207
 208         trust_user_certs(wc);
 209
 210         webkit_web_context_set_favicon_database_directory(wc, NULL);
 211
 212         initial_wc_setup_done = TRUE;
 213     }
 214
 215     if (user_agent != NULL)
 216         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 217                      "user-agent", user_agent, NULL);
 218
 219     if (enable_console_to_stdout)
 220         webkit_settings_set_enable_write_console_messages_to_stdout(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 221
 222     webkit_settings_set_enable_developer_extras(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 223
 224     c->location = gtk_entry_new();
 225     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 226                      G_CALLBACK(key_location), c);
 227     g_signal_connect(G_OBJECT(c->location), "icon-release",
 228                      G_CALLBACK(icon_location), c);
 229     /* XXX This is a workaround. Setting this to NULL (which is done in
 230      * grab_feeds_finished() if no feed has been detected) adds a little
 231      * padding left of the text. Not sure why. The point of this call
 232      * right here is to have that padding right from the start. This
 233      * avoids a graphical artifact. */
 234     gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 235                                       GTK_ENTRY_ICON_PRIMARY,
 236                                       NULL);
 237
 238     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 239     gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 240     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 241
 242     c->tabicon = gtk_image_new_from_icon_name("text-html", GTK_ICON_SIZE_SMALL_TOOLBAR);
 243
 244     c->tablabel = gtk_label_new(__NAME__);
 245     gtk_label_set_ellipsize(GTK_LABEL(c->tablabel), PANGO_ELLIPSIZE_END);
 246     gtk_label_set_width_chars(GTK_LABEL(c->tablabel), tab_width_chars);
 247     gtk_widget_set_has_tooltip(c->tablabel, TRUE);
 248
 249     /* XXX I don't own a HiDPI screen, so I don't know if scale_factor
 250      * does the right thing. */
 251     tabbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,
 252                          5 * gtk_widget_get_scale_factor(mw.win));
 253     gtk_box_pack_start(GTK_BOX(tabbox), c->tabicon, FALSE, FALSE, 0);
 254     gtk_box_pack_start(GTK_BOX(tabbox), c->tablabel, TRUE, TRUE, 0);
 255
 256     evbox = gtk_event_box_new();
 257     gtk_container_add(GTK_CONTAINER(evbox), tabbox);
 258     g_signal_connect(G_OBJECT(evbox), "button-release-event",
 259                      G_CALLBACK(button_tablabel), c);
 260
 261     /* This only shows the event box and the label inside, nothing else.
 262      * Needed because the evbox/label is "internal" to the notebook and
 263      * not part of the normal "widget tree" (IIUC). */
 264     gtk_widget_show_all(evbox);
 265
 266     gtk_notebook_insert_page(GTK_NOTEBOOK(mw.notebook), c->vbox, evbox,
 267                              gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)) + 1);
 268     gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(mw.notebook), c->vbox, TRUE);
 269
 270     if (show)
 271         show_web_view(NULL, c);
 272     else
 273         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 274                          G_CALLBACK(show_web_view), c);
 275
 276     if (uri != NULL)
 277     {
 278         f = ensure_uri_scheme(uri);
 279         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 280         g_free(f);
 281     }
 282
 283     clients++;
 284
 285     return WEBKIT_WEB_VIEW(c->web_view);
 286 }
 287
 288 WebKitWebView *
 289 client_new_request(WebKitWebView *web_view,
 290                    WebKitNavigationAction *navigation_action, gpointer data)
 291 {
 292     return client_new(NULL, web_view, FALSE, FALSE);
 293 }
 294
 295 void
 296 cooperation_setup(void)
 297 {
 298     GIOChannel *towatch;
 299     gchar *fifofilename, *fifopath;
 300
 301     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 302     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 303     g_free(fifofilename);
 304
 305     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 306         mkfifo(fifopath, 0600);
 307
 308     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 309     if (!cooperative_pipe_fp)
 310     {
 311         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 312     }
 313     else
 314     {
 315         if (write(cooperative_pipe_fp, "", 0) == -1)
 316         {
 317             /* Could not do an empty write to the FIFO which means there's
 318              * no one listening. */
 319             close(cooperative_pipe_fp);
 320             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 321             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 322         }
 323         else
 324             cooperative_alone = FALSE;
 325     }
 326
 327     g_free(fifopath);
 328 }
 329
 330 void
 331 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 332 {
 333     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 334     WebKitURIResponse *resp;
 335     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 336     gdouble p, size_mb;
 337     const gchar *uri;
 338     gchar *t, *filename, *base;
 339
 340     p = webkit_download_get_estimated_progress(download);
 341     p = p > 1 ? 1 : p;
 342     p = p < 0 ? 0 : p;
 343     p *= 100;
 344     resp = webkit_download_get_response(download);
 345     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 346
 347     uri = webkit_download_get_destination(download);
 348     filename = g_filename_from_uri(uri, NULL, NULL);
 349     if (filename == NULL)
 350     {
 351         /* This really should not happen because WebKit uses that URI to
 352          * write to a file... */
 353         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 354         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 355                             webkit_uri_response_get_uri(resp), p, size_mb);
 356     }
 357     else
 358     {
 359         base = g_path_get_basename(filename);
 360         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 361         g_free(filename);
 362         g_free(base);
 363     }
 364     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 365     g_free(t);
 366 }
 367
 368 void
 369 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 370 {
 371     struct Client *c = (struct Client *)data;
 372     gdouble p;
 373     gchar *grab_feeds =
 374         "a = document.querySelectorAll('"
 375         "    html > head > link[rel=\"alternate\"][href][type=\"application/atom+xml\"],"
 376         "    html > head > link[rel=\"alternate\"][href][type=\"application/rss+xml\"]"
 377         "');"
 378         "if (a.length == 0)"
 379         "    null;"
 380         "else"
 381         "{"
 382         "    out = '';"
 383         "    for (i = 0; i < a.length; i++)"
 384         "    {"
 385         "        url = encodeURIComponent(a[i].href);"
 386         "        if ('title' in a[i] && a[i].title != '')"
 387         "            title = encodeURIComponent(a[i].title);"
 388         "        else"
 389         "            title = url;"
 390         "        out += '<li><a href=\"' + url + '\">' + title + '</a></li>';"
 391         "    }"
 392         "    out;"
 393         "}";
 394
 395     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 396     if (p == 1)
 397     {
 398         p = 0;
 399
 400         /* The page has loaded fully. We now run the short JavaScript
 401          * snippet above that operates on the DOM. It tries to grab all
 402          * occurences of <link rel="alternate" ...>, i.e. RSS/Atom feed
 403          * references. */
 404         webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view),
 405                                        grab_feeds, NULL,
 406                                        grab_feeds_finished, c);
 407
 408         run_user_scripts(WEBKIT_WEB_VIEW(c->web_view));
 409     }
 410     gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 411 }
 412
 413 void
 414 changed_favicon(GObject *obj, GParamSpec *pspec, gpointer data)
 415 {
 416     struct Client *c = (struct Client *)data;
 417     cairo_surface_t *f;
 418     int w, h, w_should, h_should;
 419     GdkPixbuf *pb, *pb_scaled;
 420
 421     f = webkit_web_view_get_favicon(WEBKIT_WEB_VIEW(c->web_view));
 422     if (f == NULL)
 423     {
 424         gtk_image_set_from_icon_name(GTK_IMAGE(c->tabicon), "text-html",
 425                                      GTK_ICON_SIZE_SMALL_TOOLBAR);
 426     }
 427     else
 428     {
 429         w = cairo_image_surface_get_width(f);
 430         h = cairo_image_surface_get_height(f);
 431         pb = gdk_pixbuf_get_from_surface(f, 0, 0, w, h);
 432         if (pb != NULL)
 433         {
 434             w_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 435             h_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 436             pb_scaled = gdk_pixbuf_scale_simple(pb, w_should, h_should,
 437                                                 GDK_INTERP_BILINEAR);
 438             gtk_image_set_from_pixbuf(GTK_IMAGE(c->tabicon), pb_scaled);
 439
 440             g_object_unref(pb_scaled);
 441             g_object_unref(pb);
 442         }
 443     }
 444 }
 445
 446 void
 447 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 448 {
 449     const gchar *t, *u;
 450     struct Client *c = (struct Client *)data;
 451
 452     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 453     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 454
 455     u = u == NULL ? __NAME__ : u;
 456     u = u[0] == 0 ? __NAME__ : u;
 457
 458     t = t == NULL ? u : t;
 459     t = t[0] == 0 ? u : t;
 460
 461     gtk_label_set_text(GTK_LABEL(c->tablabel), t);
 462     gtk_widget_set_tooltip_text(c->tablabel, t);
 463 }
 464
 465 void
 466 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 467 {
 468     const gchar *t;
 469     struct Client *c = (struct Client *)data;
 470     FILE *fp;
 471
 472     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 473
 474     /* When a web process crashes, we get a "notify::uri" signal, but we
 475      * can no longer read a meaningful URI. It's just an empty string
 476      * now. Not updating the location bar in this scenario is important,
 477      * because we would override the "WEB PROCESS CRASHED" message. */
 478     if (t != NULL && strlen(t) > 0)
 479     {
 480         gtk_entry_set_text(GTK_ENTRY(c->location), t);
 481
 482         if (history_file != NULL)
 483         {
 484             fp = fopen(history_file, "a");
 485             if (fp != NULL)
 486             {
 487                 fprintf(fp, "%s\n", t);
 488                 fclose(fp);
 489             }
 490             else
 491                 perror(__NAME__": Error opening history file");
 492         }
 493     }
 494 }
 495
 496 gboolean
 497 crashed_web_view(WebKitWebView *web_view, gpointer data)
 498 {
 499     gchar *t;
 500     struct Client *c = (struct Client *)data;
 501
 502     t = g_strdup_printf("WEB PROCESS CRASHED: %s",
 503                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
 504     gtk_entry_set_text(GTK_ENTRY(c->location), t);
 505     g_free(t);
 506
 507     return TRUE;
 508 }
 509
 510 gboolean
 511 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 512               WebKitPolicyDecisionType type, gpointer data)
 513 {
 514     WebKitResponsePolicyDecision *r;
 515
 516     switch (type)
 517     {
 518         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 519             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 520             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 521                 webkit_policy_decision_download(decision);
 522             else
 523                 webkit_policy_decision_use(decision);
 524             break;
 525         default:
 526             /* Use whatever default there is. */
 527             return FALSE;
 528     }
 529     return TRUE;
 530 }
 531
 532 void
 533 download_handle_finished(WebKitDownload *download, gpointer data)
 534 {
 535     downloads--;
 536 }
 537
 538 void
 539 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 540                       gpointer data)
 541 {
 542     g_signal_connect(G_OBJECT(download), "decide-destination",
 543                      G_CALLBACK(download_handle), data);
 544 }
 545
 546 gboolean
 547 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 548 {
 549     gchar *sug_clean, *path, *path2 = NULL, *uri;
 550     GtkToolItem *tb;
 551     int suffix = 1;
 552     size_t i;
 553
 554     sug_clean = g_strdup(suggested_filename);
 555     for (i = 0; i < strlen(sug_clean); i++)
 556         if (sug_clean[i] == G_DIR_SEPARATOR)
 557             sug_clean[i] = '_';
 558
 559     path = g_build_filename(download_dir, sug_clean, NULL);
 560     path2 = g_strdup(path);
 561     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 562     {
 563         g_free(path2);
 564
 565         path2 = g_strdup_printf("%s.%d", path, suffix);
 566         suffix++;
 567     }
 568
 569     if (suffix == 1000)
 570     {
 571         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 572         webkit_download_cancel(download);
 573     }
 574     else
 575     {
 576         uri = g_filename_to_uri(path2, NULL, NULL);
 577         webkit_download_set_destination(download, uri);
 578         g_free(uri);
 579
 580         tb = gtk_tool_button_new(NULL, NULL);
 581         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 582         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 583         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 584         gtk_widget_show_all(dm.win);
 585
 586         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 587                          G_CALLBACK(changed_download_progress), tb);
 588
 589         downloads++;
 590         g_signal_connect(G_OBJECT(download), "finished",
 591                          G_CALLBACK(download_handle_finished), NULL);
 592
 593         g_object_ref(download);
 594         g_signal_connect(G_OBJECT(tb), "clicked",
 595                          G_CALLBACK(downloadmanager_cancel), download);
 596     }
 597
 598     g_free(sug_clean);
 599     g_free(path);
 600     g_free(path2);
 601
 602     /* Propagate -- to whom it may concern. */
 603     return FALSE;
 604 }
 605
 606 void
 607 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 608 {
 609     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 610
 611     webkit_download_cancel(download);
 612     g_object_unref(download);
 613
 614     gtk_widget_destroy(GTK_WIDGET(tb));
 615 }
 616
 617 gboolean
 618 downloadmanager_delete(GtkWidget *obj, gpointer data)
 619 {
 620     if (!quit_if_nothing_active())
 621         gtk_widget_hide(dm.win);
 622
 623     return TRUE;
 624 }
 625
 626 void
 627 downloadmanager_setup(void)
 628 {
 629     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 630     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 631     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 632     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 633     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 634                      G_CALLBACK(downloadmanager_delete), NULL);
 635     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 636                      G_CALLBACK(key_downloadmanager), NULL);
 637
 638     dm.toolbar = gtk_toolbar_new();
 639     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 640                                    GTK_ORIENTATION_VERTICAL);
 641     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 642     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 643
 644     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 645     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 646                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 647     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 648
 649     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 650 }
 651
 652 gchar *
 653 ensure_uri_scheme(const gchar *t)
 654 {
 655     gchar *f, *fabs;
 656
 657     f = g_ascii_strdown(t, -1);
 658     if (!g_str_has_prefix(f, "http:") &&
 659         !g_str_has_prefix(f, "https:") &&
 660         !g_str_has_prefix(f, "file:") &&
 661         !g_str_has_prefix(f, "about:") &&
 662         !g_str_has_prefix(f, "data:"))
 663     {
 664         g_free(f);
 665         fabs = realpath(t, NULL);
 666         if (fabs != NULL)
 667         {
 668             f = g_strdup_printf("file://%s", fabs);
 669             free(fabs);
 670         }
 671         else
 672             f = g_strdup_printf("http://%s", t);
 673         return f;
 674     }
 675     else
 676         return g_strdup(t);
 677 }
 678
 679 void
 680 external_handler_run(GSimpleAction *simple, GVariant *param, gpointer data)
 681 {
 682     struct Client *c = (struct Client *)data;
 683     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 684     GPid pid;
 685     GError *err = NULL;
 686
 687     (void)simple;
 688     (void)param;
 689
 690     argv[2] = c->external_handler_uri;
 691     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 692                        &pid, &err))
 693     {
 694         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 695                 err->message);
 696         g_error_free(err);
 697     }
 698     else
 699         g_spawn_close_pid(pid);
 700 }
 701
 702 void
 703 grab_environment_configuration(void)
 704 {
 705     const gchar *e;
 706
 707     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 708     if (e != NULL)
 709         accepted_language[0] = g_strdup(e);
 710
 711     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 712     if (e != NULL)
 713         download_dir = g_strdup(e);
 714
 715     e = g_getenv(__NAME_UPPERCASE__"_ENABLE_CONSOLE_TO_STDOUT");
 716     if (e != NULL)
 717         enable_console_to_stdout = TRUE;
 718
 719     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 720     if (e != NULL)
 721         fifo_suffix = g_strdup(e);
 722
 723     e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE");
 724     if (e != NULL)
 725         history_file = g_strdup(e);
 726
 727     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 728     if (e != NULL)
 729         home_uri = g_strdup(e);
 730
 731     e = g_getenv(__NAME_UPPERCASE__"_TAB_POS");
 732     if (e != NULL)
 733     {
 734         if (strcmp(e, "top") == 0)
 735             tab_pos = GTK_POS_TOP;
 736         if (strcmp(e, "right") == 0)
 737             tab_pos = GTK_POS_RIGHT;
 738         if (strcmp(e, "bottom") == 0)
 739             tab_pos = GTK_POS_BOTTOM;
 740         if (strcmp(e, "left") == 0)
 741             tab_pos = GTK_POS_LEFT;
 742     }
 743
 744     e = g_getenv(__NAME_UPPERCASE__"_TAB_WIDTH_CHARS");
 745     if (e != NULL)
 746         tab_width_chars = atoi(e);
 747
 748     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 749     if (e != NULL)
 750         user_agent = g_strdup(e);
 751
 752     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 753     if (e != NULL)
 754         global_zoom = atof(e);
 755 }
 756
 757 void
 758 grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data)
 759 {
 760     struct Client *c = (struct Client *)data;
 761     WebKitJavascriptResult *js_result;
 762     JSCValue *value;
 763     JSCException *exception;
 764     GError *err = NULL;
 765     gchar *str_value;
 766
 767     g_free(c->feed_html);
 768     c->feed_html = NULL;
 769
 770     /* This was taken almost verbatim from the example in WebKit's
 771      * documentation:
 772      *
 773      * https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html#webkit-web-view-run-javascript-finish */
 774
 775     js_result = webkit_web_view_run_javascript_finish(WEBKIT_WEB_VIEW(object),
 776                                                       result, &err);
 777     if (!js_result)
 778     {
 779         fprintf(stderr, __NAME__": Error running javascript: %s\n", err->message);
 780         g_error_free(err);
 781         return;
 782     }
 783
 784     value = webkit_javascript_result_get_js_value(js_result);
 785     if (jsc_value_is_string(value))
 786     {
 787         str_value = jsc_value_to_string(value);
 788         exception = jsc_context_get_exception(jsc_value_get_context(value));
 789         if (exception != NULL)
 790         {
 791             fprintf(stderr, __NAME__": Error running javascript: %s\n",
 792                     jsc_exception_get_message(exception));
 793         }
 794         else
 795             c->feed_html = str_value;
 796
 797         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 798                                           GTK_ENTRY_ICON_PRIMARY,
 799                                           "application-rss+xml-symbolic");
 800         gtk_entry_set_icon_activatable(GTK_ENTRY(c->location),
 801                                        GTK_ENTRY_ICON_PRIMARY,
 802                                        TRUE);
 803     }
 804     else
 805     {
 806         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 807                                           GTK_ENTRY_ICON_PRIMARY,
 808                                           NULL);
 809     }
 810
 811     webkit_javascript_result_unref(js_result);
 812 }
 813
 814 void
 815 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 816                gpointer data)
 817 {
 818     struct Client *c = (struct Client *)data;
 819
 820     if (!gtk_widget_is_focus(c->location))
 821     {
 822         if (webkit_hit_test_result_context_is_link(ht))
 823         {
 824             gtk_entry_set_text(GTK_ENTRY(c->location),
 825                                webkit_hit_test_result_get_link_uri(ht));
 826
 827             if (c->hover_uri != NULL)
 828                 g_free(c->hover_uri);
 829             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 830         }
 831         else
 832         {
 833             gtk_entry_set_text(GTK_ENTRY(c->location),
 834                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 835
 836             if (c->hover_uri != NULL)
 837                 g_free(c->hover_uri);
 838             c->hover_uri = NULL;
 839         }
 840     }
 841 }
 842
 843 void
 844 icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event,
 845               gpointer data)
 846 {
 847     struct Client *c = (struct Client *)data;
 848     gchar *d;
 849     gchar *data_template =
 850         "data:text/html,"
 851         "<!DOCTYPE html>"
 852         "<html>"
 853         "    <head>"
 854         "        <meta charset=\"UTF-8\">"
 855         "        <title>Feeds</title>"
 856         "    </head>"
 857         "    <body>"
 858         "        <p>Feeds found on this page:</p>"
 859         "        <ul>"
 860         "        %s"
 861         "        </ul>"
 862         "    </body>"
 863         "</html>";
 864
 865     if (c->feed_html != NULL)
 866     {
 867         /* What we're actually trying to do is show a simple HTML page
 868          * that lists all the feeds on the current page. The function
 869          * webkit_web_view_load_html() looks like the proper way to do
 870          * that. Sad thing is, it doesn't create a history entry, but
 871          * instead simply replaces the content of the current page. This
 872          * is not what we want.
 873          *
 874          * RFC 2397 [0] defines the data URI scheme [1]. We abuse this
 875          * mechanism to show my custom HTML snippet *and* create a
 876          * history entry.
 877          *
 878          * [0]: https://tools.ietf.org/html/rfc2397
 879          * [1]: https://en.wikipedia.org/wiki/Data_URI_scheme */
 880         d = g_strdup_printf(data_template, c->feed_html);
 881         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d);
 882         g_free(d);
 883     }
 884 }
 885
 886 gboolean
 887 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 888 {
 889     struct Client *c = (struct Client *)data;
 890     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 891     gchar *f;
 892
 893     if (event->type == GDK_KEY_PRESS)
 894     {
 895         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 896         {
 897             switch (((GdkEventKey *)event)->keyval)
 898             {
 899                 case GDK_KEY_q:  /* close window (left hand) */
 900                     client_destroy(NULL, c);
 901                     return TRUE;
 902                 case GDK_KEY_w:  /* home (left hand) */
 903                     f = ensure_uri_scheme(home_uri);
 904                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 905                     g_free(f);
 906                     return TRUE;
 907                 case GDK_KEY_e:  /* new tab (left hand) */
 908                     f = ensure_uri_scheme(home_uri);
 909                     client_new(f, NULL, TRUE, TRUE);
 910                     g_free(f);
 911                     return TRUE;
 912                 case GDK_KEY_r:  /* reload (left hand) */
 913                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 914                                                         c->web_view));
 915                     return TRUE;
 916                 case GDK_KEY_d:  /* download manager (left hand) */
 917                     gtk_widget_show_all(dm.win);
 918                     return TRUE;
 919                 case GDK_KEY_2:  /* search forward (left hand) */
 920                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 921                     search(c, 1);
 922                     return TRUE;
 923                 case GDK_KEY_3:  /* search backward (left hand) */
 924                     search(c, -1);
 925                     return TRUE;
 926                 case GDK_KEY_l:  /* location (BOTH hands) */
 927                     gtk_widget_grab_focus(c->location);
 928                     return TRUE;
 929                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 930                     gtk_widget_grab_focus(c->location);
 931                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 932                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 933                     return TRUE;
 934                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 935                     trust_user_certs(wc);
 936                     return TRUE;
 937                 case GDK_KEY_x:  /* launch external handler (left hand) */
 938                     if (c->external_handler_uri != NULL)
 939                         g_free(c->external_handler_uri);
 940                     c->external_handler_uri = g_strdup(
 941                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 942                     external_handler_run(NULL, NULL, c);
 943                     return TRUE;
 944                 case GDK_KEY_a:  /* go one tab to the left (left hand) */
 945                     gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
 946                     return TRUE;
 947                 case GDK_KEY_s:  /* go one tab to the right (left hand) */
 948                     gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
 949                     return TRUE;
 950             }
 951         }
 952         /* navigate backward (left hand) */
 953         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 954         {
 955             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 956             return TRUE;
 957         }
 958         /* navigate forward (left hand) */
 959         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 960         {
 961             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 962             return TRUE;
 963         }
 964     }
 965
 966     return FALSE;
 967 }
 968
 969 gboolean
 970 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 971 {
 972     if (event->type == GDK_KEY_PRESS)
 973     {
 974         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 975         {
 976             switch (((GdkEventKey *)event)->keyval)
 977             {
 978                 case GDK_KEY_d:  /* close window (left hand) */
 979                 case GDK_KEY_q:
 980                     downloadmanager_delete(dm.win, NULL);
 981                     return TRUE;
 982             }
 983         }
 984     }
 985
 986     return FALSE;
 987 }
 988
 989 gboolean
 990 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 991 {
 992     struct Client *c = (struct Client *)data;
 993     const gchar *t;
 994     gchar *f;
 995
 996     if (key_common(widget, event, data))
 997         return TRUE;
 998
 999     if (event->type == GDK_KEY_PRESS)
1000     {
1001         switch (((GdkEventKey *)event)->keyval)
1002         {
1003             case GDK_KEY_KP_Enter:
1004             case GDK_KEY_Return:
1005                 gtk_widget_grab_focus(c->web_view);
1006                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
1007                 if (t != NULL && t[0] == ':' && t[1] == '/')
1008                 {
1009                     if (search_text != NULL)
1010                         g_free(search_text);
1011                     search_text = g_strdup(t + 2);
1012                     search(c, 0);
1013                 }
1014                 else
1015                 {
1016                     f = ensure_uri_scheme(t);
1017                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
1018                     g_free(f);
1019                 }
1020                 return TRUE;
1021             case GDK_KEY_Escape:
1022                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
1023                 gtk_entry_set_text(GTK_ENTRY(c->location),
1024                                    (t == NULL ? __NAME__ : t));
1025                 return TRUE;
1026         }
1027     }
1028
1029     return FALSE;
1030 }
1031
1032 gboolean
1033 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
1034 {
1035     struct Client *c = (struct Client *)data;
1036     gdouble dx, dy;
1037     gfloat z;
1038
1039     if (key_common(widget, event, data))
1040         return TRUE;
1041
1042     if (event->type == GDK_KEY_PRESS)
1043     {
1044         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
1045         {
1046             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
1047             gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
1048         }
1049     }
1050     else if (event->type == GDK_BUTTON_RELEASE)
1051     {
1052         switch (((GdkEventButton *)event)->button)
1053         {
1054             case 2:
1055                 if (c->hover_uri != NULL)
1056                 {
1057                     client_new(c->hover_uri, NULL, TRUE, FALSE);
1058                     return TRUE;
1059                 }
1060                 break;
1061             case 8:
1062                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
1063                 return TRUE;
1064             case 9:
1065                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
1066                 return TRUE;
1067         }
1068     }
1069     else if (event->type == GDK_SCROLL)
1070     {
1071         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
1072             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
1073         {
1074             gdk_event_get_scroll_deltas(event, &dx, &dy);
1075             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
1076             z += -dy * 0.1;
1077             z = dx != 0 ? global_zoom : z;
1078             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
1079             return TRUE;
1080         }
1081     }
1082
1083     return FALSE;
1084 }
1085
1086 void
1087 mainwindow_setup(void)
1088 {
1089     mw.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1090     gtk_window_set_default_size(GTK_WINDOW(mw.win), 800, 600);
1091     g_signal_connect(G_OBJECT(mw.win), "destroy", gtk_main_quit, NULL);
1092     gtk_window_set_title(GTK_WINDOW(mw.win), __NAME__);
1093
1094     mw.notebook = gtk_notebook_new();
1095     gtk_notebook_set_scrollable(GTK_NOTEBOOK(mw.notebook), TRUE);
1096     gtk_notebook_set_tab_pos(GTK_NOTEBOOK(mw.notebook), tab_pos);
1097     gtk_container_add(GTK_CONTAINER(mw.win), mw.notebook);
1098 }
1099
1100 gboolean
1101 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
1102               WebKitHitTestResult *ht, gpointer data)
1103 {
1104     struct Client *c = (struct Client *)data;
1105     GSimpleAction *action = NULL;
1106     WebKitContextMenuItem *mi = NULL;
1107     const gchar *uri = NULL;
1108
1109     (void)ev;
1110
1111     if (webkit_hit_test_result_context_is_link(ht))
1112         uri = webkit_hit_test_result_get_link_uri(ht);
1113     else if (webkit_hit_test_result_context_is_image(ht))
1114         uri = webkit_hit_test_result_get_image_uri(ht);
1115     else if (webkit_hit_test_result_context_is_media(ht))
1116         uri = webkit_hit_test_result_get_media_uri(ht);
1117
1118     if (uri != NULL)
1119     {
1120         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
1121
1122         if (c->external_handler_uri != NULL)
1123             g_free(c->external_handler_uri);
1124         c->external_handler_uri = g_strdup(uri);
1125         action = g_simple_action_new("external_handler", NULL);
1126         g_signal_connect(G_OBJECT(action), "activate",
1127                          G_CALLBACK(external_handler_run), data);
1128         mi = webkit_context_menu_item_new_from_gaction(G_ACTION(action),
1129                                                        "Open with external handler",
1130                                                        NULL);
1131         webkit_context_menu_append(menu, mi);
1132         g_object_unref(action);
1133     }
1134
1135     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
1136     return FALSE;
1137 }
1138
1139 gboolean
1140 quit_if_nothing_active(void)
1141 {
1142     if (clients == 0)
1143     {
1144         if (downloads == 0)
1145         {
1146             gtk_main_quit();
1147             return TRUE;
1148         }
1149         else
1150             gtk_widget_show_all(dm.win);
1151     }
1152
1153     return FALSE;
1154 }
1155
1156 gboolean
1157 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
1158 {
1159     gchar *uri = NULL;
1160
1161     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
1162     if (uri)
1163     {
1164         g_strstrip(uri);
1165         client_new(uri, NULL, TRUE, TRUE);
1166         g_free(uri);
1167     }
1168     return TRUE;
1169 }
1170
1171 void
1172 run_user_scripts(WebKitWebView *web_view)
1173 {
1174     gchar *base = NULL, *path = NULL, *contents = NULL;
1175     const gchar *entry = NULL;
1176     GDir *scriptdir = NULL;
1177
1178     base = g_build_filename(g_get_user_config_dir(), __NAME__, "user-scripts", NULL);
1179     scriptdir = g_dir_open(base, 0, NULL);
1180     if (scriptdir != NULL)
1181     {
1182         while ((entry = g_dir_read_name(scriptdir)) != NULL)
1183         {
1184             path = g_build_filename(base, entry, NULL);
1185             if (g_str_has_suffix(path, ".js"))
1186             {
1187                 if (g_file_get_contents(path, &contents, NULL, NULL))
1188                 {
1189                     webkit_web_view_run_javascript(web_view, contents, NULL, NULL, NULL);
1190                     g_free(contents);
1191                 }
1192             }
1193             g_free(path);
1194         }
1195         g_dir_close(scriptdir);
1196     }
1197
1198     g_free(base);
1199 }
1200
1201 void
1202 search(gpointer data, gint direction)
1203 {
1204     struct Client *c = (struct Client *)data;
1205     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
1206     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
1207
1208     if (search_text == NULL)
1209         return;
1210
1211     switch (direction)
1212     {
1213         case 0:
1214             webkit_find_controller_search(fc, search_text,
1215                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
1216                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
1217                                           G_MAXUINT);
1218             break;
1219         case 1:
1220             webkit_find_controller_search_next(fc);
1221             break;
1222         case -1:
1223             webkit_find_controller_search_previous(fc);
1224             break;
1225     }
1226 }
1227
1228 void
1229 show_web_view(WebKitWebView *web_view, gpointer data)
1230 {
1231     struct Client *c = (struct Client *)data;
1232     gint idx;
1233
1234     (void)web_view;
1235
1236     gtk_widget_show_all(mw.win);
1237
1238     if (c->focus_new_tab)
1239     {
1240         idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
1241         if (idx != -1)
1242             gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), idx);
1243
1244         gtk_widget_grab_focus(c->web_view);
1245     }
1246 }
1247
1248 void
1249 trust_user_certs(WebKitWebContext *wc)
1250 {
1251     GTlsCertificate *cert;
1252     const gchar *basedir, *file, *absfile;
1253     GDir *dir;
1254
1255     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1256     dir = g_dir_open(basedir, 0, NULL);
1257     if (dir != NULL)
1258     {
1259         file = g_dir_read_name(dir);
1260         while (file != NULL)
1261         {
1262             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1263                                        file, NULL);
1264             cert = g_tls_certificate_new_from_file(absfile, NULL);
1265             if (cert == NULL)
1266                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1267             else
1268                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1269             file = g_dir_read_name(dir);
1270         }
1271         g_dir_close(dir);
1272     }
1273 }
1274
1275
1276 int
1277 main(int argc, char **argv)
1278 {
1279     gchar *c;
1280     int opt, i;
1281
1282     gtk_init(&argc, &argv);
1283     webkit_web_context_set_process_model(webkit_web_context_get_default(),
1284         WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1285
1286     grab_environment_configuration();
1287
1288     while ((opt = getopt(argc, argv, "C")) != -1)
1289     {
1290         switch (opt)
1291         {
1292             case 'C':
1293                 cooperative_instances = FALSE;
1294                 break;
1295             default:
1296                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1297                 exit(EXIT_FAILURE);
1298         }
1299     }
1300
1301     if (cooperative_instances)
1302         cooperation_setup();
1303     downloadmanager_setup();
1304
1305     mainwindow_setup();
1306
1307     if (!cooperative_instances || cooperative_alone)
1308     {
1309         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1310                              NULL);
1311         webkit_web_context_set_web_extensions_directory(
1312             webkit_web_context_get_default(), c
1313         );
1314     }
1315
1316     if (optind >= argc)
1317         client_new(home_uri, NULL, TRUE, TRUE);
1318     else
1319     {
1320         for (i = optind; i < argc; i++)
1321             client_new(argv[i], NULL, TRUE, TRUE);
1322     }
1323
1324     if (!cooperative_instances || cooperative_alone)
1325         gtk_main();
1326     exit(EXIT_SUCCESS);
1327 }