browser.c

   1 #include <limits.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <fcntl.h>
   7 #include <string.h>
   8
   9 #include <gtk/gtk.h>
  10 #include <gtk/gtkx.h>
  11 #include <gdk/gdkkeysyms.h>
  12 #include <gio/gio.h>
  13 #include <webkit2/webkit2.h>
  14 #include <JavaScriptCore/JavaScript.h>
  15
  16
  17 void client_destroy(GtkWidget *, gpointer);
  18 WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean,
  19                           gboolean);
  20 WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  21                                   gpointer);
  22 void cooperation_setup(void);
  23 void changed_download_progress(GObject *, GParamSpec *, gpointer);
  24 void changed_load_progress(GObject *, GParamSpec *, gpointer);
  25 void changed_favicon(GObject *, GParamSpec *, gpointer);
  26 void changed_title(GObject *, GParamSpec *, gpointer);
  27 void changed_uri(GObject *, GParamSpec *, gpointer);
  28 gboolean crashed_web_view(WebKitWebView *, gpointer);
  29 gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  30                        WebKitPolicyDecisionType, gpointer);
  31 gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  32 void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
  33 void downloadmanager_cancel(GtkToolButton *, gpointer);
  34 gboolean downloadmanager_delete(GtkWidget *, gpointer);
  35 void downloadmanager_setup(void);
  36 gchar *ensure_uri_scheme(const gchar *);
  37 void external_handler_run(GSimpleAction *, GVariant *, gpointer);
  38 void grab_environment_configuration(void);
  39 void grab_feeds_finished(GObject *, GAsyncResult *, gpointer);
  40 void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  41 void icon_location(GtkEntry *, GtkEntryIconPosition, GdkEvent *, gpointer);
  42 gboolean key_common(GtkWidget *, GdkEvent *, gpointer);
  43 gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  44 gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  45 gboolean key_tablabel(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 void
 104 client_destroy(GtkWidget *widget, gpointer data)
 105 {
 106     struct Client *c = (struct Client *)data;
 107     gint idx;
 108
 109     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
 110                                          changed_load_progress, c);
 111
 112     idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
 113     if (idx == -1)
 114         fprintf(stderr, __NAME__": Tab index was -1, bamboozled\n");
 115     else
 116         gtk_notebook_remove_page(GTK_NOTEBOOK(mw.notebook), idx);
 117
 118     free(c);
 119     clients--;
 120
 121     quit_if_nothing_active();
 122 }
 123
 124 WebKitWebView *
 125 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show,
 126            gboolean focus_tab)
 127 {
 128     struct Client *c;
 129     WebKitWebContext *wc;
 130     gchar *f;
 131     GtkWidget *evbox, *tabbox;
 132
 133     if (uri != NULL && cooperative_instances && !cooperative_alone)
 134     {
 135         f = ensure_uri_scheme(uri);
 136         write(cooperative_pipe_fp, f, strlen(f));
 137         write(cooperative_pipe_fp, "\n", 1);
 138         g_free(f);
 139         return NULL;
 140     }
 141
 142     c = calloc(1, sizeof(struct Client));
 143     if (!c)
 144     {
 145         fprintf(stderr, __NAME__": fatal: calloc failed\n");
 146         exit(EXIT_FAILURE);
 147     }
 148
 149     c->focus_new_tab = focus_tab;
 150
 151     if (related_wv == NULL)
 152         c->web_view = webkit_web_view_new();
 153     else
 154         c->web_view = webkit_web_view_new_with_related_view(related_wv);
 155     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 156
 157     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 158     g_signal_connect(G_OBJECT(c->web_view), "notify::favicon",
 159                      G_CALLBACK(changed_favicon), c);
 160     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 161                      G_CALLBACK(changed_title), c);
 162     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 163                      G_CALLBACK(changed_uri), c);
 164     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 165                      G_CALLBACK(changed_load_progress), c);
 166     g_signal_connect(G_OBJECT(c->web_view), "create",
 167                      G_CALLBACK(client_new_request), NULL);
 168     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 169                      G_CALLBACK(menu_web_view), c);
 170     g_signal_connect(G_OBJECT(c->web_view), "close",
 171                      G_CALLBACK(client_destroy), c);
 172     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 173                      G_CALLBACK(decide_policy), NULL);
 174     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 175                      G_CALLBACK(key_web_view), c);
 176     g_signal_connect(G_OBJECT(c->web_view), "button-release-event",
 177                      G_CALLBACK(key_web_view), c);
 178     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 179                      G_CALLBACK(key_web_view), c);
 180     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 181                      G_CALLBACK(hover_web_view), c);
 182     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 183                      G_CALLBACK(crashed_web_view), c);
 184
 185     if (!initial_wc_setup_done)
 186     {
 187         if (accepted_language[0] != NULL)
 188             webkit_web_context_set_preferred_languages(wc, accepted_language);
 189
 190         g_signal_connect(G_OBJECT(wc), "download-started",
 191                          G_CALLBACK(download_handle_start), NULL);
 192
 193         trust_user_certs(wc);
 194
 195         webkit_web_context_set_favicon_database_directory(wc, NULL);
 196
 197         initial_wc_setup_done = TRUE;
 198     }
 199
 200     if (user_agent != NULL)
 201         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 202                      "user-agent", user_agent, NULL);
 203
 204     if (enable_console_to_stdout)
 205         webkit_settings_set_enable_write_console_messages_to_stdout(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 206
 207     webkit_settings_set_enable_developer_extras(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 208
 209     c->location = gtk_entry_new();
 210     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 211                      G_CALLBACK(key_location), c);
 212     g_signal_connect(G_OBJECT(c->location), "icon-release",
 213                      G_CALLBACK(icon_location), c);
 214     /* XXX This is a workaround. Setting this to NULL (which is done in
 215      * grab_feeds_finished() if no feed has been detected) adds a little
 216      * padding left of the text. Not sure why. The point of this call
 217      * right here is to have that padding right from the start. This
 218      * avoids a graphical artifact. */
 219     gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 220                                       GTK_ENTRY_ICON_PRIMARY,
 221                                       NULL);
 222
 223     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 224     gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 225     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 226
 227     c->tabicon = gtk_image_new_from_icon_name("text-html", GTK_ICON_SIZE_SMALL_TOOLBAR);
 228
 229     c->tablabel = gtk_label_new(__NAME__);
 230     gtk_label_set_ellipsize(GTK_LABEL(c->tablabel), PANGO_ELLIPSIZE_END);
 231     gtk_label_set_width_chars(GTK_LABEL(c->tablabel), tab_width_chars);
 232     gtk_widget_set_has_tooltip(c->tablabel, TRUE);
 233
 234     /* XXX I don't own a HiDPI screen, so I don't know if scale_factor
 235      * does the right thing. */
 236     tabbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,
 237                          5 * gtk_widget_get_scale_factor(mw.win));
 238     gtk_box_pack_start(GTK_BOX(tabbox), c->tabicon, FALSE, FALSE, 0);
 239     gtk_box_pack_start(GTK_BOX(tabbox), c->tablabel, TRUE, TRUE, 0);
 240
 241     evbox = gtk_event_box_new();
 242     gtk_container_add(GTK_CONTAINER(evbox), tabbox);
 243     g_signal_connect(G_OBJECT(evbox), "button-release-event",
 244                      G_CALLBACK(key_tablabel), c);
 245
 246     gtk_widget_add_events(evbox, GDK_SCROLL_MASK);
 247     g_signal_connect(G_OBJECT(evbox), "scroll-event",
 248                      G_CALLBACK(key_tablabel), c);
 249
 250     /* This only shows the event box and the label inside, nothing else.
 251      * Needed because the evbox/label is "internal" to the notebook and
 252      * not part of the normal "widget tree" (IIUC). */
 253     gtk_widget_show_all(evbox);
 254
 255     gtk_notebook_insert_page(GTK_NOTEBOOK(mw.notebook), c->vbox, evbox,
 256                              gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)) + 1);
 257     gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(mw.notebook), c->vbox, TRUE);
 258
 259     if (show)
 260         show_web_view(NULL, c);
 261     else
 262         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 263                          G_CALLBACK(show_web_view), c);
 264
 265     if (uri != NULL)
 266     {
 267         f = ensure_uri_scheme(uri);
 268         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 269         g_free(f);
 270     }
 271
 272     clients++;
 273
 274     return WEBKIT_WEB_VIEW(c->web_view);
 275 }
 276
 277 WebKitWebView *
 278 client_new_request(WebKitWebView *web_view,
 279                    WebKitNavigationAction *navigation_action, gpointer data)
 280 {
 281     return client_new(NULL, web_view, FALSE, FALSE);
 282 }
 283
 284 void
 285 cooperation_setup(void)
 286 {
 287     GIOChannel *towatch;
 288     gchar *fifofilename, *fifopath;
 289
 290     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 291     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 292     g_free(fifofilename);
 293
 294     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 295         mkfifo(fifopath, 0600);
 296
 297     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 298     if (!cooperative_pipe_fp)
 299     {
 300         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 301     }
 302     else
 303     {
 304         if (write(cooperative_pipe_fp, "", 0) == -1)
 305         {
 306             /* Could not do an empty write to the FIFO which means there's
 307              * no one listening. */
 308             close(cooperative_pipe_fp);
 309             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 310             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 311         }
 312         else
 313             cooperative_alone = FALSE;
 314     }
 315
 316     g_free(fifopath);
 317 }
 318
 319 void
 320 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 321 {
 322     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 323     WebKitURIResponse *resp;
 324     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 325     gdouble p, size_mb;
 326     const gchar *uri;
 327     gchar *t, *filename, *base;
 328
 329     p = webkit_download_get_estimated_progress(download);
 330     p = p > 1 ? 1 : p;
 331     p = p < 0 ? 0 : p;
 332     p *= 100;
 333     resp = webkit_download_get_response(download);
 334     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 335
 336     uri = webkit_download_get_destination(download);
 337     filename = g_filename_from_uri(uri, NULL, NULL);
 338     if (filename == NULL)
 339     {
 340         /* This really should not happen because WebKit uses that URI to
 341          * write to a file... */
 342         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 343         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 344                             webkit_uri_response_get_uri(resp), p, size_mb);
 345     }
 346     else
 347     {
 348         base = g_path_get_basename(filename);
 349         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 350         g_free(filename);
 351         g_free(base);
 352     }
 353     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 354     g_free(t);
 355 }
 356
 357 void
 358 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 359 {
 360     struct Client *c = (struct Client *)data;
 361     gdouble p;
 362     gchar *grab_feeds =
 363         "a = document.querySelectorAll('"
 364         "    html > head > link[rel=\"alternate\"][href][type=\"application/atom+xml\"],"
 365         "    html > head > link[rel=\"alternate\"][href][type=\"application/rss+xml\"]"
 366         "');"
 367         "if (a.length == 0)"
 368         "    null;"
 369         "else"
 370         "{"
 371         "    out = '';"
 372         "    for (i = 0; i < a.length; i++)"
 373         "    {"
 374         "        url = encodeURIComponent(a[i].href);"
 375         "        if ('title' in a[i] && a[i].title != '')"
 376         "            title = encodeURIComponent(a[i].title);"
 377         "        else"
 378         "            title = url;"
 379         "        out += '<li><a href=\"' + url + '\">' + title + '</a></li>';"
 380         "    }"
 381         "    out;"
 382         "}";
 383
 384     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 385     if (p == 1)
 386     {
 387         p = 0;
 388
 389         /* The page has loaded fully. We now run the short JavaScript
 390          * snippet above that operates on the DOM. It tries to grab all
 391          * occurences of <link rel="alternate" ...>, i.e. RSS/Atom feed
 392          * references. */
 393         webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view),
 394                                        grab_feeds, NULL,
 395                                        grab_feeds_finished, c);
 396
 397         run_user_scripts(WEBKIT_WEB_VIEW(c->web_view));
 398     }
 399     gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 400 }
 401
 402 void
 403 changed_favicon(GObject *obj, GParamSpec *pspec, gpointer data)
 404 {
 405     struct Client *c = (struct Client *)data;
 406     cairo_surface_t *f;
 407     int w, h, w_should, h_should;
 408     GdkPixbuf *pb, *pb_scaled;
 409
 410     f = webkit_web_view_get_favicon(WEBKIT_WEB_VIEW(c->web_view));
 411     if (f == NULL)
 412     {
 413         gtk_image_set_from_icon_name(GTK_IMAGE(c->tabicon), "text-html",
 414                                      GTK_ICON_SIZE_SMALL_TOOLBAR);
 415     }
 416     else
 417     {
 418         w = cairo_image_surface_get_width(f);
 419         h = cairo_image_surface_get_height(f);
 420         pb = gdk_pixbuf_get_from_surface(f, 0, 0, w, h);
 421         if (pb != NULL)
 422         {
 423             w_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 424             h_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 425             pb_scaled = gdk_pixbuf_scale_simple(pb, w_should, h_should,
 426                                                 GDK_INTERP_BILINEAR);
 427             gtk_image_set_from_pixbuf(GTK_IMAGE(c->tabicon), pb_scaled);
 428
 429             g_object_unref(pb_scaled);
 430             g_object_unref(pb);
 431         }
 432     }
 433 }
 434
 435 void
 436 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 437 {
 438     const gchar *t, *u;
 439     struct Client *c = (struct Client *)data;
 440
 441     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 442     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 443
 444     u = u == NULL ? __NAME__ : u;
 445     u = u[0] == 0 ? __NAME__ : u;
 446
 447     t = t == NULL ? u : t;
 448     t = t[0] == 0 ? u : t;
 449
 450     gtk_label_set_text(GTK_LABEL(c->tablabel), t);
 451     gtk_widget_set_tooltip_text(c->tablabel, t);
 452 }
 453
 454 void
 455 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 456 {
 457     const gchar *t;
 458     struct Client *c = (struct Client *)data;
 459     FILE *fp;
 460
 461     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 462
 463     /* When a web process crashes, we get a "notify::uri" signal, but we
 464      * can no longer read a meaningful URI. It's just an empty string
 465      * now. Not updating the location bar in this scenario is important,
 466      * because we would override the "WEB PROCESS CRASHED" message. */
 467     if (t != NULL && strlen(t) > 0)
 468     {
 469         gtk_entry_set_text(GTK_ENTRY(c->location), t);
 470
 471         if (history_file != NULL)
 472         {
 473             fp = fopen(history_file, "a");
 474             if (fp != NULL)
 475             {
 476                 fprintf(fp, "%s\n", t);
 477                 fclose(fp);
 478             }
 479             else
 480                 perror(__NAME__": Error opening history file");
 481         }
 482     }
 483 }
 484
 485 gboolean
 486 crashed_web_view(WebKitWebView *web_view, gpointer data)
 487 {
 488     gchar *t;
 489     struct Client *c = (struct Client *)data;
 490
 491     t = g_strdup_printf("WEB PROCESS CRASHED: %s",
 492                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
 493     gtk_entry_set_text(GTK_ENTRY(c->location), t);
 494     g_free(t);
 495
 496     return TRUE;
 497 }
 498
 499 gboolean
 500 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 501               WebKitPolicyDecisionType type, gpointer data)
 502 {
 503     WebKitResponsePolicyDecision *r;
 504
 505     switch (type)
 506     {
 507         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 508             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 509             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 510                 webkit_policy_decision_download(decision);
 511             else
 512                 webkit_policy_decision_use(decision);
 513             break;
 514         default:
 515             /* Use whatever default there is. */
 516             return FALSE;
 517     }
 518     return TRUE;
 519 }
 520
 521 void
 522 download_handle_finished(WebKitDownload *download, gpointer data)
 523 {
 524     downloads--;
 525 }
 526
 527 void
 528 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 529                       gpointer data)
 530 {
 531     g_signal_connect(G_OBJECT(download), "decide-destination",
 532                      G_CALLBACK(download_handle), data);
 533 }
 534
 535 gboolean
 536 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 537 {
 538     gchar *sug_clean, *path, *path2 = NULL, *uri;
 539     GtkToolItem *tb;
 540     int suffix = 1;
 541     size_t i;
 542
 543     sug_clean = g_strdup(suggested_filename);
 544     for (i = 0; i < strlen(sug_clean); i++)
 545         if (sug_clean[i] == G_DIR_SEPARATOR)
 546             sug_clean[i] = '_';
 547
 548     path = g_build_filename(download_dir, sug_clean, NULL);
 549     path2 = g_strdup(path);
 550     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 551     {
 552         g_free(path2);
 553
 554         path2 = g_strdup_printf("%s.%d", path, suffix);
 555         suffix++;
 556     }
 557
 558     if (suffix == 1000)
 559     {
 560         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 561         webkit_download_cancel(download);
 562     }
 563     else
 564     {
 565         uri = g_filename_to_uri(path2, NULL, NULL);
 566         webkit_download_set_destination(download, uri);
 567         g_free(uri);
 568
 569         tb = gtk_tool_button_new(NULL, NULL);
 570         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 571         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 572         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 573         gtk_widget_show_all(dm.win);
 574
 575         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 576                          G_CALLBACK(changed_download_progress), tb);
 577
 578         downloads++;
 579         g_signal_connect(G_OBJECT(download), "finished",
 580                          G_CALLBACK(download_handle_finished), NULL);
 581
 582         g_object_ref(download);
 583         g_signal_connect(G_OBJECT(tb), "clicked",
 584                          G_CALLBACK(downloadmanager_cancel), download);
 585     }
 586
 587     g_free(sug_clean);
 588     g_free(path);
 589     g_free(path2);
 590
 591     /* Propagate -- to whom it may concern. */
 592     return FALSE;
 593 }
 594
 595 void
 596 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 597 {
 598     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 599
 600     webkit_download_cancel(download);
 601     g_object_unref(download);
 602
 603     gtk_widget_destroy(GTK_WIDGET(tb));
 604 }
 605
 606 gboolean
 607 downloadmanager_delete(GtkWidget *obj, gpointer data)
 608 {
 609     if (!quit_if_nothing_active())
 610         gtk_widget_hide(dm.win);
 611
 612     return TRUE;
 613 }
 614
 615 void
 616 downloadmanager_setup(void)
 617 {
 618     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 619     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 620     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 621     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 622     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 623                      G_CALLBACK(downloadmanager_delete), NULL);
 624     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 625                      G_CALLBACK(key_downloadmanager), NULL);
 626
 627     dm.toolbar = gtk_toolbar_new();
 628     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 629                                    GTK_ORIENTATION_VERTICAL);
 630     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 631     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 632
 633     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 634     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 635                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 636     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 637
 638     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 639 }
 640
 641 gchar *
 642 ensure_uri_scheme(const gchar *t)
 643 {
 644     gchar *f, *fabs;
 645
 646     f = g_ascii_strdown(t, -1);
 647     if (!g_str_has_prefix(f, "http:") &&
 648         !g_str_has_prefix(f, "https:") &&
 649         !g_str_has_prefix(f, "file:") &&
 650         !g_str_has_prefix(f, "about:") &&
 651         !g_str_has_prefix(f, "data:"))
 652     {
 653         g_free(f);
 654         fabs = realpath(t, NULL);
 655         if (fabs != NULL)
 656         {
 657             f = g_strdup_printf("file://%s", fabs);
 658             free(fabs);
 659         }
 660         else
 661             f = g_strdup_printf("http://%s", t);
 662         return f;
 663     }
 664     else
 665         return g_strdup(t);
 666 }
 667
 668 void
 669 external_handler_run(GSimpleAction *simple, GVariant *param, gpointer data)
 670 {
 671     struct Client *c = (struct Client *)data;
 672     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 673     GPid pid;
 674     GError *err = NULL;
 675
 676     (void)simple;
 677     (void)param;
 678
 679     argv[2] = c->external_handler_uri;
 680     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 681                        &pid, &err))
 682     {
 683         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 684                 err->message);
 685         g_error_free(err);
 686     }
 687     else
 688         g_spawn_close_pid(pid);
 689 }
 690
 691 void
 692 grab_environment_configuration(void)
 693 {
 694     const gchar *e;
 695
 696     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 697     if (e != NULL)
 698         accepted_language[0] = g_strdup(e);
 699
 700     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 701     if (e != NULL)
 702         download_dir = g_strdup(e);
 703
 704     e = g_getenv(__NAME_UPPERCASE__"_ENABLE_CONSOLE_TO_STDOUT");
 705     if (e != NULL)
 706         enable_console_to_stdout = TRUE;
 707
 708     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 709     if (e != NULL)
 710         fifo_suffix = g_strdup(e);
 711
 712     e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE");
 713     if (e != NULL)
 714         history_file = g_strdup(e);
 715
 716     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 717     if (e != NULL)
 718         home_uri = g_strdup(e);
 719
 720     e = g_getenv(__NAME_UPPERCASE__"_TAB_POS");
 721     if (e != NULL)
 722     {
 723         if (strcmp(e, "top") == 0)
 724             tab_pos = GTK_POS_TOP;
 725         if (strcmp(e, "right") == 0)
 726             tab_pos = GTK_POS_RIGHT;
 727         if (strcmp(e, "bottom") == 0)
 728             tab_pos = GTK_POS_BOTTOM;
 729         if (strcmp(e, "left") == 0)
 730             tab_pos = GTK_POS_LEFT;
 731     }
 732
 733     e = g_getenv(__NAME_UPPERCASE__"_TAB_WIDTH_CHARS");
 734     if (e != NULL)
 735         tab_width_chars = atoi(e);
 736
 737     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 738     if (e != NULL)
 739         user_agent = g_strdup(e);
 740
 741     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 742     if (e != NULL)
 743         global_zoom = atof(e);
 744 }
 745
 746 void
 747 grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data)
 748 {
 749     struct Client *c = (struct Client *)data;
 750     WebKitJavascriptResult *js_result;
 751     JSCValue *value;
 752     JSCException *exception;
 753     GError *err = NULL;
 754     gchar *str_value;
 755
 756     g_free(c->feed_html);
 757     c->feed_html = NULL;
 758
 759     /* This was taken almost verbatim from the example in WebKit's
 760      * documentation:
 761      *
 762      * https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html#webkit-web-view-run-javascript-finish */
 763
 764     js_result = webkit_web_view_run_javascript_finish(WEBKIT_WEB_VIEW(object),
 765                                                       result, &err);
 766     if (!js_result)
 767     {
 768         fprintf(stderr, __NAME__": Error running javascript: %s\n", err->message);
 769         g_error_free(err);
 770         return;
 771     }
 772
 773     value = webkit_javascript_result_get_js_value(js_result);
 774     if (jsc_value_is_string(value))
 775     {
 776         str_value = jsc_value_to_string(value);
 777         exception = jsc_context_get_exception(jsc_value_get_context(value));
 778         if (exception != NULL)
 779         {
 780             fprintf(stderr, __NAME__": Error running javascript: %s\n",
 781                     jsc_exception_get_message(exception));
 782         }
 783         else
 784             c->feed_html = str_value;
 785
 786         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 787                                           GTK_ENTRY_ICON_PRIMARY,
 788                                           "application-rss+xml-symbolic");
 789         gtk_entry_set_icon_activatable(GTK_ENTRY(c->location),
 790                                        GTK_ENTRY_ICON_PRIMARY,
 791                                        TRUE);
 792     }
 793     else
 794     {
 795         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 796                                           GTK_ENTRY_ICON_PRIMARY,
 797                                           NULL);
 798     }
 799
 800     webkit_javascript_result_unref(js_result);
 801 }
 802
 803 void
 804 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 805                gpointer data)
 806 {
 807     struct Client *c = (struct Client *)data;
 808
 809     if (!gtk_widget_is_focus(c->location))
 810     {
 811         if (webkit_hit_test_result_context_is_link(ht))
 812         {
 813             gtk_entry_set_text(GTK_ENTRY(c->location),
 814                                webkit_hit_test_result_get_link_uri(ht));
 815
 816             if (c->hover_uri != NULL)
 817                 g_free(c->hover_uri);
 818             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 819         }
 820         else
 821         {
 822             gtk_entry_set_text(GTK_ENTRY(c->location),
 823                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 824
 825             if (c->hover_uri != NULL)
 826                 g_free(c->hover_uri);
 827             c->hover_uri = NULL;
 828         }
 829     }
 830 }
 831
 832 void
 833 icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event,
 834               gpointer data)
 835 {
 836     struct Client *c = (struct Client *)data;
 837     gchar *d;
 838     gchar *data_template =
 839         "data:text/html,"
 840         "<!DOCTYPE html>"
 841         "<html>"
 842         "    <head>"
 843         "        <meta charset=\"UTF-8\">"
 844         "        <title>Feeds</title>"
 845         "    </head>"
 846         "    <body>"
 847         "        <p>Feeds found on this page:</p>"
 848         "        <ul>"
 849         "        %s"
 850         "        </ul>"
 851         "    </body>"
 852         "</html>";
 853
 854     if (c->feed_html != NULL)
 855     {
 856         /* What we're actually trying to do is show a simple HTML page
 857          * that lists all the feeds on the current page. The function
 858          * webkit_web_view_load_html() looks like the proper way to do
 859          * that. Sad thing is, it doesn't create a history entry, but
 860          * instead simply replaces the content of the current page. This
 861          * is not what we want.
 862          *
 863          * RFC 2397 [0] defines the data URI scheme [1]. We abuse this
 864          * mechanism to show my custom HTML snippet *and* create a
 865          * history entry.
 866          *
 867          * [0]: https://tools.ietf.org/html/rfc2397
 868          * [1]: https://en.wikipedia.org/wiki/Data_URI_scheme */
 869         d = g_strdup_printf(data_template, c->feed_html);
 870         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d);
 871         g_free(d);
 872     }
 873 }
 874
 875 gboolean
 876 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 877 {
 878     struct Client *c = (struct Client *)data;
 879     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 880     gchar *f;
 881
 882     if (event->type == GDK_KEY_PRESS)
 883     {
 884         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 885         {
 886             switch (((GdkEventKey *)event)->keyval)
 887             {
 888                 case GDK_KEY_q:  /* close window (left hand) */
 889                     client_destroy(NULL, c);
 890                     return TRUE;
 891                 case GDK_KEY_w:  /* home (left hand) */
 892                     f = ensure_uri_scheme(home_uri);
 893                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 894                     g_free(f);
 895                     return TRUE;
 896                 case GDK_KEY_e:  /* new tab (left hand) */
 897                     f = ensure_uri_scheme(home_uri);
 898                     client_new(f, NULL, TRUE, TRUE);
 899                     g_free(f);
 900                     return TRUE;
 901                 case GDK_KEY_r:  /* reload (left hand) */
 902                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 903                                                         c->web_view));
 904                     return TRUE;
 905                 case GDK_KEY_d:  /* download manager (left hand) */
 906                     gtk_widget_show_all(dm.win);
 907                     return TRUE;
 908                 case GDK_KEY_2:  /* search forward (left hand) */
 909                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 910                     search(c, 1);
 911                     return TRUE;
 912                 case GDK_KEY_3:  /* search backward (left hand) */
 913                     search(c, -1);
 914                     return TRUE;
 915                 case GDK_KEY_l:  /* location (BOTH hands) */
 916                     gtk_widget_grab_focus(c->location);
 917                     return TRUE;
 918                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 919                     gtk_widget_grab_focus(c->location);
 920                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 921                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 922                     return TRUE;
 923                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 924                     trust_user_certs(wc);
 925                     return TRUE;
 926                 case GDK_KEY_x:  /* launch external handler (left hand) */
 927                     if (c->external_handler_uri != NULL)
 928                         g_free(c->external_handler_uri);
 929                     c->external_handler_uri = g_strdup(
 930                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 931                     external_handler_run(NULL, NULL, c);
 932                     return TRUE;
 933                 case GDK_KEY_a:  /* go one tab to the left (left hand) */
 934                     gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
 935                     return TRUE;
 936                 case GDK_KEY_s:  /* go one tab to the right (left hand) */
 937                     gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
 938                     return TRUE;
 939             }
 940         }
 941         /* navigate backward (left hand) */
 942         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 943         {
 944             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 945             return TRUE;
 946         }
 947         /* navigate forward (left hand) */
 948         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 949         {
 950             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 951             return TRUE;
 952         }
 953     }
 954
 955     return FALSE;
 956 }
 957
 958 gboolean
 959 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 960 {
 961     if (event->type == GDK_KEY_PRESS)
 962     {
 963         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 964         {
 965             switch (((GdkEventKey *)event)->keyval)
 966             {
 967                 case GDK_KEY_d:  /* close window (left hand) */
 968                 case GDK_KEY_q:
 969                     downloadmanager_delete(dm.win, NULL);
 970                     return TRUE;
 971             }
 972         }
 973     }
 974
 975     return FALSE;
 976 }
 977
 978 gboolean
 979 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 980 {
 981     struct Client *c = (struct Client *)data;
 982     const gchar *t;
 983     gchar *f;
 984
 985     if (key_common(widget, event, data))
 986         return TRUE;
 987
 988     if (event->type == GDK_KEY_PRESS)
 989     {
 990         switch (((GdkEventKey *)event)->keyval)
 991         {
 992             case GDK_KEY_KP_Enter:
 993             case GDK_KEY_Return:
 994                 gtk_widget_grab_focus(c->web_view);
 995                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 996                 if (t != NULL && t[0] == ':' && t[1] == '/')
 997                 {
 998                     if (search_text != NULL)
 999                         g_free(search_text);
1000                     search_text = g_strdup(t + 2);
1001                     search(c, 0);
1002                 }
1003                 else
1004                 {
1005                     f = ensure_uri_scheme(t);
1006                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
1007                     g_free(f);
1008                 }
1009                 return TRUE;
1010             case GDK_KEY_Escape:
1011                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
1012                 gtk_entry_set_text(GTK_ENTRY(c->location),
1013                                    (t == NULL ? __NAME__ : t));
1014                 return TRUE;
1015         }
1016     }
1017
1018     return FALSE;
1019 }
1020
1021 gboolean
1022 key_tablabel(GtkWidget *widget, GdkEvent *event, gpointer data)
1023 {
1024     GdkScrollDirection direction;
1025
1026     if (event->type == GDK_BUTTON_RELEASE)
1027     {
1028         switch (((GdkEventButton *)event)->button)
1029         {
1030             case 2:
1031                 client_destroy(NULL, data);
1032                 return TRUE;
1033         }
1034     }
1035     else if (event->type == GDK_SCROLL)
1036     {
1037         gdk_event_get_scroll_direction(event, &direction);
1038         switch (direction)
1039         {
1040             case GDK_SCROLL_UP:
1041                 gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
1042                 break;
1043             case GDK_SCROLL_DOWN:
1044                 gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
1045                 break;
1046             default:
1047                 break;
1048         }
1049         return TRUE;
1050     }
1051     return FALSE;
1052 }
1053
1054 gboolean
1055 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
1056 {
1057     struct Client *c = (struct Client *)data;
1058     gdouble dx, dy;
1059     gfloat z;
1060
1061     if (key_common(widget, event, data))
1062         return TRUE;
1063
1064     if (event->type == GDK_KEY_PRESS)
1065     {
1066         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
1067         {
1068             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
1069             gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
1070         }
1071     }
1072     else if (event->type == GDK_BUTTON_RELEASE)
1073     {
1074         switch (((GdkEventButton *)event)->button)
1075         {
1076             case 2:
1077                 if (c->hover_uri != NULL)
1078                 {
1079                     client_new(c->hover_uri, NULL, TRUE, FALSE);
1080                     return TRUE;
1081                 }
1082                 break;
1083             case 8:
1084                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
1085                 return TRUE;
1086             case 9:
1087                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
1088                 return TRUE;
1089         }
1090     }
1091     else if (event->type == GDK_SCROLL)
1092     {
1093         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
1094             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
1095         {
1096             gdk_event_get_scroll_deltas(event, &dx, &dy);
1097             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
1098             z += -dy * 0.1;
1099             z = dx != 0 ? global_zoom : z;
1100             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
1101             return TRUE;
1102         }
1103     }
1104
1105     return FALSE;
1106 }
1107
1108 void
1109 mainwindow_setup(void)
1110 {
1111     mw.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1112     gtk_window_set_default_size(GTK_WINDOW(mw.win), 800, 600);
1113     g_signal_connect(G_OBJECT(mw.win), "destroy", gtk_main_quit, NULL);
1114     gtk_window_set_title(GTK_WINDOW(mw.win), __NAME__);
1115
1116     mw.notebook = gtk_notebook_new();
1117     gtk_notebook_set_scrollable(GTK_NOTEBOOK(mw.notebook), TRUE);
1118     gtk_notebook_set_tab_pos(GTK_NOTEBOOK(mw.notebook), tab_pos);
1119     gtk_container_add(GTK_CONTAINER(mw.win), mw.notebook);
1120 }
1121
1122 gboolean
1123 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
1124               WebKitHitTestResult *ht, gpointer data)
1125 {
1126     struct Client *c = (struct Client *)data;
1127     GSimpleAction *action = NULL;
1128     WebKitContextMenuItem *mi = NULL;
1129     const gchar *uri = NULL;
1130
1131     (void)ev;
1132
1133     if (webkit_hit_test_result_context_is_link(ht))
1134         uri = webkit_hit_test_result_get_link_uri(ht);
1135     else if (webkit_hit_test_result_context_is_image(ht))
1136         uri = webkit_hit_test_result_get_image_uri(ht);
1137     else if (webkit_hit_test_result_context_is_media(ht))
1138         uri = webkit_hit_test_result_get_media_uri(ht);
1139
1140     if (uri != NULL)
1141     {
1142         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
1143
1144         if (c->external_handler_uri != NULL)
1145             g_free(c->external_handler_uri);
1146         c->external_handler_uri = g_strdup(uri);
1147         action = g_simple_action_new("external_handler", NULL);
1148         g_signal_connect(G_OBJECT(action), "activate",
1149                          G_CALLBACK(external_handler_run), data);
1150         mi = webkit_context_menu_item_new_from_gaction(G_ACTION(action),
1151                                                        "Open with external handler",
1152                                                        NULL);
1153         webkit_context_menu_append(menu, mi);
1154         g_object_unref(action);
1155     }
1156
1157     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
1158     return FALSE;
1159 }
1160
1161 gboolean
1162 quit_if_nothing_active(void)
1163 {
1164     if (clients == 0)
1165     {
1166         if (downloads == 0)
1167         {
1168             gtk_main_quit();
1169             return TRUE;
1170         }
1171         else
1172             gtk_widget_show_all(dm.win);
1173     }
1174
1175     return FALSE;
1176 }
1177
1178 gboolean
1179 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
1180 {
1181     gchar *uri = NULL;
1182
1183     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
1184     if (uri)
1185     {
1186         g_strstrip(uri);
1187         client_new(uri, NULL, TRUE, TRUE);
1188         g_free(uri);
1189     }
1190     return TRUE;
1191 }
1192
1193 void
1194 run_user_scripts(WebKitWebView *web_view)
1195 {
1196     gchar *base = NULL, *path = NULL, *contents = NULL;
1197     const gchar *entry = NULL;
1198     GDir *scriptdir = NULL;
1199
1200     base = g_build_filename(g_get_user_config_dir(), __NAME__, "user-scripts", NULL);
1201     scriptdir = g_dir_open(base, 0, NULL);
1202     if (scriptdir != NULL)
1203     {
1204         while ((entry = g_dir_read_name(scriptdir)) != NULL)
1205         {
1206             path = g_build_filename(base, entry, NULL);
1207             if (g_str_has_suffix(path, ".js"))
1208             {
1209                 if (g_file_get_contents(path, &contents, NULL, NULL))
1210                 {
1211                     webkit_web_view_run_javascript(web_view, contents, NULL, NULL, NULL);
1212                     g_free(contents);
1213                 }
1214             }
1215             g_free(path);
1216         }
1217         g_dir_close(scriptdir);
1218     }
1219
1220     g_free(base);
1221 }
1222
1223 void
1224 search(gpointer data, gint direction)
1225 {
1226     struct Client *c = (struct Client *)data;
1227     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
1228     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
1229
1230     if (search_text == NULL)
1231         return;
1232
1233     switch (direction)
1234     {
1235         case 0:
1236             webkit_find_controller_search(fc, search_text,
1237                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
1238                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
1239                                           G_MAXUINT);
1240             break;
1241         case 1:
1242             webkit_find_controller_search_next(fc);
1243             break;
1244         case -1:
1245             webkit_find_controller_search_previous(fc);
1246             break;
1247     }
1248 }
1249
1250 void
1251 show_web_view(WebKitWebView *web_view, gpointer data)
1252 {
1253     struct Client *c = (struct Client *)data;
1254     gint idx;
1255
1256     (void)web_view;
1257
1258     gtk_widget_show_all(mw.win);
1259
1260     if (c->focus_new_tab)
1261     {
1262         idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
1263         if (idx != -1)
1264             gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), idx);
1265
1266         gtk_widget_grab_focus(c->web_view);
1267     }
1268 }
1269
1270 void
1271 trust_user_certs(WebKitWebContext *wc)
1272 {
1273     GTlsCertificate *cert;
1274     const gchar *basedir, *file, *absfile;
1275     GDir *dir;
1276
1277     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1278     dir = g_dir_open(basedir, 0, NULL);
1279     if (dir != NULL)
1280     {
1281         file = g_dir_read_name(dir);
1282         while (file != NULL)
1283         {
1284             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1285                                        file, NULL);
1286             cert = g_tls_certificate_new_from_file(absfile, NULL);
1287             if (cert == NULL)
1288                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1289             else
1290                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1291             file = g_dir_read_name(dir);
1292         }
1293         g_dir_close(dir);
1294     }
1295 }
1296
1297
1298 int
1299 main(int argc, char **argv)
1300 {
1301     gchar *c;
1302     int opt, i;
1303
1304     gtk_init(&argc, &argv);
1305     webkit_web_context_set_process_model(webkit_web_context_get_default(),
1306         WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1307
1308     grab_environment_configuration();
1309
1310     while ((opt = getopt(argc, argv, "C")) != -1)
1311     {
1312         switch (opt)
1313         {
1314             case 'C':
1315                 cooperative_instances = FALSE;
1316                 break;
1317             default:
1318                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1319                 exit(EXIT_FAILURE);
1320         }
1321     }
1322
1323     if (cooperative_instances)
1324         cooperation_setup();
1325     downloadmanager_setup();
1326
1327     mainwindow_setup();
1328
1329     if (!cooperative_instances || cooperative_alone)
1330     {
1331         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1332                              NULL);
1333         webkit_web_context_set_web_extensions_directory(
1334             webkit_web_context_get_default(), c
1335         );
1336     }
1337
1338     if (optind >= argc)
1339         client_new(home_uri, NULL, TRUE, TRUE);
1340     else
1341     {
1342         for (i = optind; i < argc; i++)
1343             client_new(argv[i], NULL, TRUE, TRUE);
1344     }
1345
1346     if (!cooperative_instances || cooperative_alone)
1347         gtk_main();
1348     exit(EXIT_SUCCESS);
1349 }