browser.c

   1 #include <limits.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <fcntl.h>
   7 #include <string.h>
   8
   9 #include <gtk/gtk.h>
  10 #include <gtk/gtkx.h>
  11 #include <gdk/gdkkeysyms.h>
  12 #include <gio/gio.h>
  13 #include <webkit2/webkit2.h>
  14 #include <JavaScriptCore/JavaScript.h>
  15
  16
  17 static gboolean button_tablabel(GtkWidget *, GdkEvent *, gpointer);
  18 static void client_destroy(GtkWidget *, gpointer);
  19 static WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean);
  20 static WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  21                                          gpointer);
  22 static void cooperation_setup(void);
  23 static void changed_download_progress(GObject *, GParamSpec *, gpointer);
  24 static void changed_load_progress(GObject *, GParamSpec *, gpointer);
  25 static void changed_title(GObject *, GParamSpec *, gpointer);
  26 static void changed_uri(GObject *, GParamSpec *, gpointer);
  27 static gboolean crashed_web_view(WebKitWebView *, gpointer);
  28 static gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  29                               WebKitPolicyDecisionType, gpointer);
  30 static gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  31 static void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
  32 static void downloadmanager_cancel(GtkToolButton *, gpointer);
  33 static gboolean downloadmanager_delete(GtkWidget *, gpointer);
  34 static void downloadmanager_setup(void);
  35 static gchar *ensure_uri_scheme(const gchar *);
  36 static void external_handler_run(GSimpleAction *, GVariant *, gpointer);
  37 static void grab_environment_configuration(void);
  38 static void grab_feeds_finished(GObject *, GAsyncResult *, gpointer);
  39 static void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  40 static void icon_location(GtkEntry *, GtkEntryIconPosition, GdkEvent *, gpointer);
  41 static gboolean key_common(GtkWidget *, GdkEvent *, gpointer);
  42 static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  43 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  44 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  45 static void keywords_load(void);
  46 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  47 static void mainwindow_setup(void);
  48 static void mainwindow_title(gint);
  49 static void mainwindow_title_before(GtkNotebook *, GtkWidget *, guint, gpointer);
  50 static gboolean menu_web_view(WebKitWebView *, WebKitContextMenu *, GdkEvent *,
  51                               WebKitHitTestResult *, gpointer);
  52 static gboolean quit_if_nothing_active(void);
  53 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  54 static void run_user_scripts(WebKitWebView *);
  55 static void search(gpointer, gint);
  56 static void show_web_view(WebKitWebView *, gpointer);
  57 static void trust_user_certs(WebKitWebContext *);
  58
  59
  60 struct Client
  61 {
  62     gchar *external_handler_uri;
  63     gchar *hover_uri;
  64     gchar *feed_html;
  65     GtkWidget *location;
  66     GtkWidget *tablabel;
  67     GtkWidget *vbox;
  68     GtkWidget *web_view;
  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 static const gchar *accepted_language[2] = { NULL, NULL };
  86 static gint clients = 0, downloads = 0;
  87 static gboolean cooperative_alone = TRUE;
  88 static gboolean cooperative_instances = TRUE;
  89 static int cooperative_pipe_fp = 0;
  90 static gchar *download_dir = "/var/tmp";
  91 static gboolean enable_console_to_stdout = FALSE;
  92 static gchar *fifo_suffix = "main";
  93 static gdouble global_zoom = 1.0;
  94 static gchar *history_file = NULL;
  95 static gchar *home_uri = "about:blank";
  96 static gboolean initial_wc_setup_done = FALSE;
  97 static GHashTable *keywords = NULL;
  98 static gchar *search_text = NULL;
  99 static GtkPositionType tab_pos = GTK_POS_TOP;
 100 static 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 {
 142     struct Client *c;
 143     WebKitWebContext *wc;
 144     gchar *f;
 145     GtkWidget *evbox;
 146
 147     if (uri != NULL && cooperative_instances && !cooperative_alone)
 148     {
 149         f = ensure_uri_scheme(uri);
 150         write(cooperative_pipe_fp, f, strlen(f));
 151         write(cooperative_pipe_fp, "\n", 1);
 152         g_free(f);
 153         return NULL;
 154     }
 155
 156     c = calloc(1, sizeof(struct Client));
 157     if (!c)
 158     {
 159         fprintf(stderr, __NAME__": fatal: calloc failed\n");
 160         exit(EXIT_FAILURE);
 161     }
 162
 163     if (related_wv == NULL)
 164         c->web_view = webkit_web_view_new();
 165     else
 166         c->web_view = webkit_web_view_new_with_related_view(related_wv);
 167     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 168
 169     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 170     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 171                      G_CALLBACK(changed_title), c);
 172     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 173                      G_CALLBACK(changed_uri), c);
 174     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 175                      G_CALLBACK(changed_load_progress), c);
 176     g_signal_connect(G_OBJECT(c->web_view), "create",
 177                      G_CALLBACK(client_new_request), NULL);
 178     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 179                      G_CALLBACK(menu_web_view), c);
 180     g_signal_connect(G_OBJECT(c->web_view), "close",
 181                      G_CALLBACK(client_destroy), c);
 182     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 183                      G_CALLBACK(decide_policy), NULL);
 184     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 185                      G_CALLBACK(key_web_view), c);
 186     g_signal_connect(G_OBJECT(c->web_view), "button-release-event",
 187                      G_CALLBACK(key_web_view), c);
 188     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 189                      G_CALLBACK(key_web_view), c);
 190     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 191                      G_CALLBACK(hover_web_view), c);
 192     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 193                      G_CALLBACK(crashed_web_view), c);
 194
 195     if (!initial_wc_setup_done)
 196     {
 197         if (accepted_language[0] != NULL)
 198             webkit_web_context_set_preferred_languages(wc, accepted_language);
 199
 200         g_signal_connect(G_OBJECT(wc), "download-started",
 201                          G_CALLBACK(download_handle_start), NULL);
 202
 203         trust_user_certs(wc);
 204
 205         initial_wc_setup_done = TRUE;
 206     }
 207
 208     if (user_agent != NULL)
 209         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 210                      "user-agent", user_agent, NULL);
 211
 212     if (enable_console_to_stdout)
 213         webkit_settings_set_enable_write_console_messages_to_stdout(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 214
 215     webkit_settings_set_enable_developer_extras(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 216
 217     c->location = gtk_entry_new();
 218     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 219                      G_CALLBACK(key_location), c);
 220     g_signal_connect(G_OBJECT(c->location), "icon-release",
 221                      G_CALLBACK(icon_location), c);
 222     /* XXX This is a workaround. Setting this to NULL (which is done in
 223      * grab_feeds_finished() if no feed has been detected) adds a little
 224      * padding left of the text. Not sure why. The point of this call
 225      * right here is to have that padding right from the start. This
 226      * avoids a graphical artifact. */
 227     gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 228                                       GTK_ENTRY_ICON_PRIMARY,
 229                                       NULL);
 230
 231     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 232     gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 233     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 234
 235     c->tablabel = gtk_label_new(__NAME__);
 236     gtk_label_set_ellipsize(GTK_LABEL(c->tablabel), PANGO_ELLIPSIZE_END);
 237     gtk_label_set_width_chars(GTK_LABEL(c->tablabel), 20);
 238
 239     evbox = gtk_event_box_new();
 240     gtk_container_add(GTK_CONTAINER(evbox), c->tablabel);
 241     g_signal_connect(G_OBJECT(evbox), "button-release-event",
 242                      G_CALLBACK(button_tablabel), c);
 243
 244     /* This only shows the event box and the label inside, nothing else.
 245      * Needed because the evbox/label is "internal" to the notebook and
 246      * not part of the normal "widget tree" (IIUC). */
 247     gtk_widget_show_all(evbox);
 248
 249     gtk_notebook_append_page(GTK_NOTEBOOK(mw.notebook), c->vbox, evbox);
 250     gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(mw.notebook), c->vbox, TRUE);
 251
 252     if (show)
 253         show_web_view(NULL, c);
 254     else
 255         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 256                          G_CALLBACK(show_web_view), c);
 257
 258     if (uri != NULL)
 259     {
 260         f = ensure_uri_scheme(uri);
 261         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 262         g_free(f);
 263     }
 264
 265     clients++;
 266
 267     return WEBKIT_WEB_VIEW(c->web_view);
 268 }
 269
 270 WebKitWebView *
 271 client_new_request(WebKitWebView *web_view,
 272                    WebKitNavigationAction *navigation_action, gpointer data)
 273 {
 274     return client_new(NULL, web_view, FALSE);
 275 }
 276
 277 void
 278 cooperation_setup(void)
 279 {
 280     GIOChannel *towatch;
 281     gchar *fifofilename, *fifopath;
 282
 283     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 284     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 285     g_free(fifofilename);
 286
 287     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 288         mkfifo(fifopath, 0600);
 289
 290     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 291     if (!cooperative_pipe_fp)
 292     {
 293         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 294     }
 295     else
 296     {
 297         if (write(cooperative_pipe_fp, "", 0) == -1)
 298         {
 299             /* Could not do an empty write to the FIFO which means there's
 300              * no one listening. */
 301             close(cooperative_pipe_fp);
 302             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 303             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 304         }
 305         else
 306             cooperative_alone = FALSE;
 307     }
 308
 309     g_free(fifopath);
 310 }
 311
 312 void
 313 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 314 {
 315     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 316     WebKitURIResponse *resp;
 317     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 318     gdouble p, size_mb;
 319     const gchar *uri;
 320     gchar *t, *filename, *base;
 321
 322     p = webkit_download_get_estimated_progress(download);
 323     p = p > 1 ? 1 : p;
 324     p = p < 0 ? 0 : p;
 325     p *= 100;
 326     resp = webkit_download_get_response(download);
 327     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 328
 329     uri = webkit_download_get_destination(download);
 330     filename = g_filename_from_uri(uri, NULL, NULL);
 331     if (filename == NULL)
 332     {
 333         /* This really should not happen because WebKit uses that URI to
 334          * write to a file... */
 335         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 336         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 337                             webkit_uri_response_get_uri(resp), p, size_mb);
 338     }
 339     else
 340     {
 341         base = g_path_get_basename(filename);
 342         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 343         g_free(filename);
 344         g_free(base);
 345     }
 346     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 347     g_free(t);
 348 }
 349
 350 void
 351 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 352 {
 353     struct Client *c = (struct Client *)data;
 354     gdouble p;
 355     gchar *grab_feeds =
 356         "a = document.querySelectorAll('"
 357         "    html > head > link[rel=\"alternate\"][href][type=\"application/atom+xml\"],"
 358         "    html > head > link[rel=\"alternate\"][href][type=\"application/rss+xml\"]"
 359         "');"
 360         "if (a.length == 0)"
 361         "    null;"
 362         "else"
 363         "{"
 364         "    out = '';"
 365         "    for (i = 0; i < a.length; i++)"
 366         "    {"
 367         "        url = encodeURIComponent(a[i].href);"
 368         "        if ('title' in a[i] && a[i].title != '')"
 369         "            title = encodeURIComponent(a[i].title);"
 370         "        else"
 371         "            title = url;"
 372         "        out += '<li><a href=\"' + url + '\">' + title + '</a></li>';"
 373         "    }"
 374         "    out;"
 375         "}";
 376
 377     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 378     if (p == 1)
 379     {
 380         p = 0;
 381
 382         /* The page has loaded fully. We now run the short JavaScript
 383          * snippet above that operates on the DOM. It tries to grab all
 384          * occurences of <link rel="alternate" ...>, i.e. RSS/Atom feed
 385          * references. */
 386         webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view),
 387                                        grab_feeds, NULL,
 388                                        grab_feeds_finished, c);
 389
 390         run_user_scripts(WEBKIT_WEB_VIEW(c->web_view));
 391     }
 392     gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 393 }
 394
 395 void
 396 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 397 {
 398     const gchar *t, *u;
 399     struct Client *c = (struct Client *)data;
 400
 401     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 402     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 403
 404     u = u == NULL ? __NAME__ : u;
 405     u = u[0] == 0 ? __NAME__ : u;
 406
 407     t = t == NULL ? u : t;
 408     t = t[0] == 0 ? u : t;
 409
 410     gtk_label_set_text(GTK_LABEL(c->tablabel), t);
 411     mainwindow_title(-1);
 412 }
 413
 414 void
 415 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 416 {
 417     const gchar *t;
 418     struct Client *c = (struct Client *)data;
 419     FILE *fp;
 420
 421     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 422
 423     /* When a web process crashes, we get a "notify::uri" signal, but we
 424      * can no longer read a meaningful URI. It's just an empty string
 425      * now. Not updating the location bar in this scenario is important,
 426      * because we would override the "WEB PROCESS CRASHED" message. */
 427     if (t != NULL && strlen(t) > 0)
 428     {
 429         gtk_entry_set_text(GTK_ENTRY(c->location), t);
 430
 431         if (history_file != NULL)
 432         {
 433             fp = fopen(history_file, "a");
 434             if (fp != NULL)
 435             {
 436                 fprintf(fp, "%s\n", t);
 437                 fclose(fp);
 438             }
 439             else
 440                 perror(__NAME__": Error opening history file");
 441         }
 442     }
 443 }
 444
 445 gboolean
 446 crashed_web_view(WebKitWebView *web_view, gpointer data)
 447 {
 448     gchar *t;
 449     struct Client *c = (struct Client *)data;
 450
 451     t = g_strdup_printf("WEB PROCESS CRASHED: %s",
 452                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
 453     gtk_entry_set_text(GTK_ENTRY(c->location), t);
 454     g_free(t);
 455
 456     return TRUE;
 457 }
 458
 459 gboolean
 460 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 461               WebKitPolicyDecisionType type, gpointer data)
 462 {
 463     WebKitResponsePolicyDecision *r;
 464
 465     switch (type)
 466     {
 467         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 468             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 469             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 470                 webkit_policy_decision_download(decision);
 471             else
 472                 webkit_policy_decision_use(decision);
 473             break;
 474         default:
 475             /* Use whatever default there is. */
 476             return FALSE;
 477     }
 478     return TRUE;
 479 }
 480
 481 void
 482 download_handle_finished(WebKitDownload *download, gpointer data)
 483 {
 484     downloads--;
 485 }
 486
 487 void
 488 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 489                       gpointer data)
 490 {
 491     g_signal_connect(G_OBJECT(download), "decide-destination",
 492                      G_CALLBACK(download_handle), data);
 493 }
 494
 495 gboolean
 496 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 497 {
 498     gchar *sug_clean, *path, *path2 = NULL, *uri;
 499     GtkToolItem *tb;
 500     int suffix = 1;
 501     size_t i;
 502
 503     sug_clean = g_strdup(suggested_filename);
 504     for (i = 0; i < strlen(sug_clean); i++)
 505         if (sug_clean[i] == G_DIR_SEPARATOR)
 506             sug_clean[i] = '_';
 507
 508     path = g_build_filename(download_dir, sug_clean, NULL);
 509     path2 = g_strdup(path);
 510     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 511     {
 512         g_free(path2);
 513
 514         path2 = g_strdup_printf("%s.%d", path, suffix);
 515         suffix++;
 516     }
 517
 518     if (suffix == 1000)
 519     {
 520         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 521         webkit_download_cancel(download);
 522     }
 523     else
 524     {
 525         uri = g_filename_to_uri(path2, NULL, NULL);
 526         webkit_download_set_destination(download, uri);
 527         g_free(uri);
 528
 529         tb = gtk_tool_button_new(NULL, NULL);
 530         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 531         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 532         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 533         gtk_widget_show_all(dm.win);
 534
 535         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 536                          G_CALLBACK(changed_download_progress), tb);
 537
 538         downloads++;
 539         g_signal_connect(G_OBJECT(download), "finished",
 540                          G_CALLBACK(download_handle_finished), NULL);
 541
 542         g_object_ref(download);
 543         g_signal_connect(G_OBJECT(tb), "clicked",
 544                          G_CALLBACK(downloadmanager_cancel), download);
 545     }
 546
 547     g_free(sug_clean);
 548     g_free(path);
 549     g_free(path2);
 550
 551     /* Propagate -- to whom it may concern. */
 552     return FALSE;
 553 }
 554
 555 void
 556 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 557 {
 558     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 559
 560     webkit_download_cancel(download);
 561     g_object_unref(download);
 562
 563     gtk_widget_destroy(GTK_WIDGET(tb));
 564 }
 565
 566 gboolean
 567 downloadmanager_delete(GtkWidget *obj, gpointer data)
 568 {
 569     if (!quit_if_nothing_active())
 570         gtk_widget_hide(dm.win);
 571
 572     return TRUE;
 573 }
 574
 575 void
 576 downloadmanager_setup(void)
 577 {
 578     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 579     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 580     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 581     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 582     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 583                      G_CALLBACK(downloadmanager_delete), NULL);
 584     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 585                      G_CALLBACK(key_downloadmanager), NULL);
 586
 587     dm.toolbar = gtk_toolbar_new();
 588     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 589                                    GTK_ORIENTATION_VERTICAL);
 590     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 591     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 592
 593     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 594     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 595                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 596     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 597
 598     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 599 }
 600
 601 gchar *
 602 ensure_uri_scheme(const gchar *t)
 603 {
 604     gchar *f, *fabs;
 605
 606     f = g_ascii_strdown(t, -1);
 607     if (!g_str_has_prefix(f, "http:") &&
 608         !g_str_has_prefix(f, "https:") &&
 609         !g_str_has_prefix(f, "file:") &&
 610         !g_str_has_prefix(f, "about:") &&
 611         !g_str_has_prefix(f, "data:"))
 612     {
 613         g_free(f);
 614         fabs = realpath(t, NULL);
 615         if (fabs != NULL)
 616         {
 617             f = g_strdup_printf("file://%s", fabs);
 618             free(fabs);
 619         }
 620         else
 621             f = g_strdup_printf("http://%s", t);
 622         return f;
 623     }
 624     else
 625         return g_strdup(t);
 626 }
 627
 628 void
 629 external_handler_run(GSimpleAction *simple, GVariant *param, gpointer data)
 630 {
 631     struct Client *c = (struct Client *)data;
 632     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 633     GPid pid;
 634     GError *err = NULL;
 635
 636     (void)simple;
 637     (void)param;
 638
 639     argv[2] = c->external_handler_uri;
 640     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 641                        &pid, &err))
 642     {
 643         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 644                 err->message);
 645         g_error_free(err);
 646     }
 647     else
 648         g_spawn_close_pid(pid);
 649 }
 650
 651 void
 652 grab_environment_configuration(void)
 653 {
 654     const gchar *e;
 655
 656     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 657     if (e != NULL)
 658         accepted_language[0] = g_strdup(e);
 659
 660     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 661     if (e != NULL)
 662         download_dir = g_strdup(e);
 663
 664     e = g_getenv(__NAME_UPPERCASE__"_ENABLE_CONSOLE_TO_STDOUT");
 665     if (e != NULL)
 666         enable_console_to_stdout = TRUE;
 667
 668     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 669     if (e != NULL)
 670         fifo_suffix = g_strdup(e);
 671
 672     e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE");
 673     if (e != NULL)
 674         history_file = g_strdup(e);
 675
 676     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 677     if (e != NULL)
 678         home_uri = g_strdup(e);
 679
 680     e = g_getenv(__NAME_UPPERCASE__"_TAB_POS");
 681     if (e != NULL)
 682     {
 683         if (strcmp(e, "top") == 0)
 684             tab_pos = GTK_POS_TOP;
 685         if (strcmp(e, "right") == 0)
 686             tab_pos = GTK_POS_RIGHT;
 687         if (strcmp(e, "bottom") == 0)
 688             tab_pos = GTK_POS_BOTTOM;
 689         if (strcmp(e, "left") == 0)
 690             tab_pos = GTK_POS_LEFT;
 691     }
 692
 693     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 694     if (e != NULL)
 695         user_agent = g_strdup(e);
 696
 697     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 698     if (e != NULL)
 699         global_zoom = atof(e);
 700 }
 701
 702 void
 703 grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data)
 704 {
 705     struct Client *c = (struct Client *)data;
 706     WebKitJavascriptResult *js_result;
 707     JSCValue *value;
 708     JSCException *exception;
 709     GError *err = NULL;
 710     gchar *str_value;
 711
 712     g_free(c->feed_html);
 713     c->feed_html = NULL;
 714
 715     /* This was taken almost verbatim from the example in WebKit's
 716      * documentation:
 717      *
 718      * https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html#webkit-web-view-run-javascript-finish */
 719
 720     js_result = webkit_web_view_run_javascript_finish(WEBKIT_WEB_VIEW(object),
 721                                                       result, &err);
 722     if (!js_result)
 723     {
 724         fprintf(stderr, __NAME__": Error running javascript: %s\n", err->message);
 725         g_error_free(err);
 726         return;
 727     }
 728
 729     value = webkit_javascript_result_get_js_value(js_result);
 730     if (jsc_value_is_string(value))
 731     {
 732         str_value = jsc_value_to_string(value);
 733         exception = jsc_context_get_exception(jsc_value_get_context(value));
 734         if (exception != NULL)
 735         {
 736             fprintf(stderr, __NAME__": Error running javascript: %s\n",
 737                     jsc_exception_get_message(exception));
 738         }
 739         else
 740             c->feed_html = str_value;
 741
 742         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 743                                           GTK_ENTRY_ICON_PRIMARY,
 744                                           "application-rss+xml-symbolic");
 745         gtk_entry_set_icon_activatable(GTK_ENTRY(c->location),
 746                                        GTK_ENTRY_ICON_PRIMARY,
 747                                        TRUE);
 748     }
 749     else
 750     {
 751         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 752                                           GTK_ENTRY_ICON_PRIMARY,
 753                                           NULL);
 754     }
 755
 756     webkit_javascript_result_unref(js_result);
 757 }
 758
 759 void
 760 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 761                gpointer data)
 762 {
 763     struct Client *c = (struct Client *)data;
 764
 765     if (!gtk_widget_is_focus(c->location))
 766     {
 767         if (webkit_hit_test_result_context_is_link(ht))
 768         {
 769             gtk_entry_set_text(GTK_ENTRY(c->location),
 770                                webkit_hit_test_result_get_link_uri(ht));
 771
 772             if (c->hover_uri != NULL)
 773                 g_free(c->hover_uri);
 774             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 775         }
 776         else
 777         {
 778             gtk_entry_set_text(GTK_ENTRY(c->location),
 779                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 780
 781             if (c->hover_uri != NULL)
 782                 g_free(c->hover_uri);
 783             c->hover_uri = NULL;
 784         }
 785     }
 786 }
 787
 788 void
 789 icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event,
 790               gpointer data)
 791 {
 792     struct Client *c = (struct Client *)data;
 793     gchar *d;
 794     gchar *data_template =
 795         "data:text/html,"
 796         "<!DOCTYPE html>"
 797         "<html>"
 798         "    <head>"
 799         "        <meta charset=\"UTF-8\">"
 800         "        <title>Feeds</title>"
 801         "    </head>"
 802         "    <body>"
 803         "        <p>Feeds found on this page:</p>"
 804         "        <ul>"
 805         "        %s"
 806         "        </ul>"
 807         "    </body>"
 808         "</html>";
 809
 810     if (c->feed_html != NULL)
 811     {
 812         /* What we're actually trying to do is show a simple HTML page
 813          * that lists all the feeds on the current page. The function
 814          * webkit_web_view_load_html() looks like the proper way to do
 815          * that. Sad thing is, it doesn't create a history entry, but
 816          * instead simply replaces the content of the current page. This
 817          * is not what we want.
 818          *
 819          * RFC 2397 [0] defines the data URI scheme [1]. We abuse this
 820          * mechanism to show my custom HTML snippet *and* create a
 821          * history entry.
 822          *
 823          * [0]: https://tools.ietf.org/html/rfc2397
 824          * [1]: https://en.wikipedia.org/wiki/Data_URI_scheme */
 825         d = g_strdup_printf(data_template, c->feed_html);
 826         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d);
 827         g_free(d);
 828     }
 829 }
 830
 831 gboolean
 832 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 833 {
 834     struct Client *c = (struct Client *)data;
 835     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 836     gchar *f;
 837
 838     if (event->type == GDK_KEY_PRESS)
 839     {
 840         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 841         {
 842             switch (((GdkEventKey *)event)->keyval)
 843             {
 844                 case GDK_KEY_q:  /* close window (left hand) */
 845                     client_destroy(NULL, c);
 846                     return TRUE;
 847                 case GDK_KEY_w:  /* home (left hand) */
 848                     f = ensure_uri_scheme(home_uri);
 849                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 850                     g_free(f);
 851                     return TRUE;
 852                 case GDK_KEY_e:  /* new tab (left hand) */
 853                     f = ensure_uri_scheme(home_uri);
 854                     client_new(f, NULL, TRUE);
 855                     g_free(f);
 856                     return TRUE;
 857                 case GDK_KEY_r:  /* reload (left hand) */
 858                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 859                                                         c->web_view));
 860                     return TRUE;
 861                 case GDK_KEY_d:  /* download manager (left hand) */
 862                     gtk_widget_show_all(dm.win);
 863                     return TRUE;
 864                 case GDK_KEY_2:  /* search forward (left hand) */
 865                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 866                     search(c, 1);
 867                     return TRUE;
 868                 case GDK_KEY_3:  /* search backward (left hand) */
 869                     search(c, -1);
 870                     return TRUE;
 871                 case GDK_KEY_l:  /* location (BOTH hands) */
 872                     gtk_widget_grab_focus(c->location);
 873                     return TRUE;
 874                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 875                     gtk_widget_grab_focus(c->location);
 876                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 877                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 878                     return TRUE;
 879                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 880                     trust_user_certs(wc);
 881                     return TRUE;
 882                 case GDK_KEY_x:  /* launch external handler (left hand) */
 883                     if (c->external_handler_uri != NULL)
 884                         g_free(c->external_handler_uri);
 885                     c->external_handler_uri = g_strdup(
 886                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 887                     external_handler_run(NULL, NULL, c);
 888                     return TRUE;
 889                 case GDK_KEY_a:  /* go one tab to the left (left hand) */
 890                     gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
 891                     return TRUE;
 892                 case GDK_KEY_s:  /* go one tab to the right (left hand) */
 893                     gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
 894                     return TRUE;
 895             }
 896         }
 897         /* navigate backward (left hand) */
 898         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 899         {
 900             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 901             return TRUE;
 902         }
 903         /* navigate forward (left hand) */
 904         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 905         {
 906             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 907             return TRUE;
 908         }
 909     }
 910
 911     return FALSE;
 912 }
 913
 914 gboolean
 915 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 916 {
 917     if (event->type == GDK_KEY_PRESS)
 918     {
 919         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 920         {
 921             switch (((GdkEventKey *)event)->keyval)
 922             {
 923                 case GDK_KEY_d:  /* close window (left hand) */
 924                 case GDK_KEY_q:
 925                     downloadmanager_delete(dm.win, NULL);
 926                     return TRUE;
 927             }
 928         }
 929     }
 930
 931     return FALSE;
 932 }
 933
 934 gboolean
 935 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 936 {
 937     struct Client *c = (struct Client *)data;
 938     const gchar *t;
 939     gchar *f;
 940
 941     if (key_common(widget, event, data))
 942         return TRUE;
 943
 944     if (event->type == GDK_KEY_PRESS)
 945     {
 946         switch (((GdkEventKey *)event)->keyval)
 947         {
 948             case GDK_KEY_KP_Enter:
 949             case GDK_KEY_Return:
 950                 gtk_widget_grab_focus(c->web_view);
 951                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 952                 if (t != NULL && t[0] == ':' && t[1] == '/')
 953                 {
 954                     if (search_text != NULL)
 955                         g_free(search_text);
 956                     search_text = g_strdup(t + 2);
 957                     search(c, 0);
 958                 }
 959                 else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 960                 {
 961                     f = ensure_uri_scheme(t);
 962                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 963                     g_free(f);
 964                 }
 965                 return TRUE;
 966             case GDK_KEY_Escape:
 967                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 968                 gtk_entry_set_text(GTK_ENTRY(c->location),
 969                                    (t == NULL ? __NAME__ : t));
 970                 return TRUE;
 971         }
 972     }
 973
 974     return FALSE;
 975 }
 976
 977 gboolean
 978 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 979 {
 980     struct Client *c = (struct Client *)data;
 981     gdouble dx, dy;
 982     gfloat z;
 983
 984     if (key_common(widget, event, data))
 985         return TRUE;
 986
 987     if (event->type == GDK_KEY_PRESS)
 988     {
 989         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 990         {
 991             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 992             gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
 993         }
 994     }
 995     else if (event->type == GDK_BUTTON_RELEASE)
 996     {
 997         switch (((GdkEventButton *)event)->button)
 998         {
 999             case 2:
1000                 if (c->hover_uri != NULL)
1001                 {
1002                     client_new(c->hover_uri, NULL, TRUE);
1003                     return TRUE;
1004                 }
1005                 break;
1006             case 8:
1007                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
1008                 return TRUE;
1009             case 9:
1010                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
1011                 return TRUE;
1012         }
1013     }
1014     else if (event->type == GDK_SCROLL)
1015     {
1016         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
1017             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
1018         {
1019             gdk_event_get_scroll_deltas(event, &dx, &dy);
1020             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
1021             z += -dy * 0.1;
1022             z = dx != 0 ? global_zoom : z;
1023             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
1024             return TRUE;
1025         }
1026     }
1027
1028     return FALSE;
1029 }
1030
1031 void
1032 keywords_load(void)
1033 {
1034     GError *err = NULL;
1035     GIOChannel *channel = NULL;
1036     gchar *path = NULL, *buf = NULL;
1037     gchar **tokens = NULL;
1038
1039     keywords = g_hash_table_new(g_str_hash, g_str_equal);
1040
1041     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
1042                             NULL);
1043     channel = g_io_channel_new_file(path, "r", &err);
1044     if (channel != NULL)
1045     {
1046         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
1047                == G_IO_STATUS_NORMAL)
1048         {
1049             g_strstrip(buf);
1050             if (buf[0] != '#')
1051             {
1052                 tokens = g_strsplit(buf, " ", 2);
1053                 if (tokens[0] != NULL && tokens[1] != NULL)
1054                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
1055                                         g_strdup(tokens[1]));
1056                 g_strfreev(tokens);
1057             }
1058             g_free(buf);
1059         }
1060         g_io_channel_shutdown(channel, FALSE, NULL);
1061     }
1062     g_free(path);
1063 }
1064
1065 gboolean
1066 keywords_try_search(WebKitWebView *web_view, const gchar *t)
1067 {
1068     gboolean ret = FALSE;
1069     gchar **tokens = NULL;
1070     gchar *val = NULL, *escaped = NULL, *uri = NULL;
1071
1072     tokens = g_strsplit(t, " ", 2);
1073     if (tokens[0] != NULL && tokens[1] != NULL)
1074     {
1075         val = g_hash_table_lookup(keywords, tokens[0]);
1076         if (val != NULL)
1077         {
1078             escaped = g_uri_escape_string(tokens[1], NULL, TRUE);
1079             uri = g_strdup_printf((gchar *)val, escaped);
1080             webkit_web_view_load_uri(web_view, uri);
1081             g_free(uri);
1082             g_free(escaped);
1083             ret = TRUE;
1084         }
1085     }
1086     g_strfreev(tokens);
1087
1088     return ret;
1089 }
1090
1091 void
1092 mainwindow_setup(void)
1093 {
1094     mw.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1095     gtk_window_set_default_size(GTK_WINDOW(mw.win), 800, 600);
1096     g_signal_connect(G_OBJECT(mw.win), "destroy", gtk_main_quit, NULL);
1097     gtk_window_set_title(GTK_WINDOW(mw.win), __NAME__);
1098
1099     mw.notebook = gtk_notebook_new();
1100     gtk_notebook_set_scrollable(GTK_NOTEBOOK(mw.notebook), TRUE);
1101     gtk_notebook_set_tab_pos(GTK_NOTEBOOK(mw.notebook), tab_pos);
1102     gtk_container_add(GTK_CONTAINER(mw.win), mw.notebook);
1103     g_signal_connect(G_OBJECT(mw.notebook), "switch-page",
1104                      G_CALLBACK(mainwindow_title_before), NULL);
1105 }
1106
1107 void
1108 mainwindow_title_before(GtkNotebook *nb, GtkWidget *p, guint idx, gpointer data)
1109 {
1110     mainwindow_title(idx);
1111 }
1112
1113 void
1114 mainwindow_title(gint idx)
1115 {
1116     GtkWidget *child, *evbox, *label;
1117     const gchar *text;
1118
1119     if (idx == -1)
1120     {
1121         idx = gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook));
1122         if (idx == -1)
1123             return;
1124     }
1125
1126     child = gtk_notebook_get_nth_page(GTK_NOTEBOOK(mw.notebook), idx);
1127     if (child == NULL)
1128         return;
1129
1130     evbox = gtk_notebook_get_tab_label(GTK_NOTEBOOK(mw.notebook), child);
1131     label = gtk_bin_get_child(GTK_BIN(evbox));
1132     text = gtk_label_get_text(GTK_LABEL(label));
1133     gtk_window_set_title(GTK_WINDOW(mw.win), text);
1134 }
1135
1136 gboolean
1137 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
1138               WebKitHitTestResult *ht, gpointer data)
1139 {
1140     struct Client *c = (struct Client *)data;
1141     GSimpleAction *action = NULL;
1142     WebKitContextMenuItem *mi = NULL;
1143     const gchar *uri = NULL;
1144
1145     (void)ev;
1146
1147     if (webkit_hit_test_result_context_is_link(ht))
1148         uri = webkit_hit_test_result_get_link_uri(ht);
1149     else if (webkit_hit_test_result_context_is_image(ht))
1150         uri = webkit_hit_test_result_get_image_uri(ht);
1151     else if (webkit_hit_test_result_context_is_media(ht))
1152         uri = webkit_hit_test_result_get_media_uri(ht);
1153
1154     if (uri != NULL)
1155     {
1156         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
1157
1158         if (c->external_handler_uri != NULL)
1159             g_free(c->external_handler_uri);
1160         c->external_handler_uri = g_strdup(uri);
1161         action = g_simple_action_new("external_handler", NULL);
1162         g_signal_connect(G_OBJECT(action), "activate",
1163                          G_CALLBACK(external_handler_run), data);
1164         mi = webkit_context_menu_item_new_from_gaction(G_ACTION(action),
1165                                                        "Open with external handler",
1166                                                        NULL);
1167         webkit_context_menu_append(menu, mi);
1168         g_object_unref(action);
1169     }
1170
1171     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
1172     return FALSE;
1173 }
1174
1175 gboolean
1176 quit_if_nothing_active(void)
1177 {
1178     if (clients == 0)
1179     {
1180         if (downloads == 0)
1181         {
1182             gtk_main_quit();
1183             return TRUE;
1184         }
1185         else
1186             gtk_widget_show_all(dm.win);
1187     }
1188
1189     return FALSE;
1190 }
1191
1192 gboolean
1193 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
1194 {
1195     gchar *uri = NULL;
1196
1197     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
1198     if (uri)
1199     {
1200         g_strstrip(uri);
1201         client_new(uri, NULL, TRUE);
1202         g_free(uri);
1203     }
1204     return TRUE;
1205 }
1206
1207 void
1208 run_user_scripts(WebKitWebView *web_view)
1209 {
1210     gchar *base = NULL, *path = NULL, *contents = NULL;
1211     const gchar *entry = NULL;
1212     GDir *scriptdir = NULL;
1213
1214     base = g_build_filename(g_get_user_config_dir(), __NAME__, "user-scripts", NULL);
1215     scriptdir = g_dir_open(base, 0, NULL);
1216     if (scriptdir != NULL)
1217     {
1218         while ((entry = g_dir_read_name(scriptdir)) != NULL)
1219         {
1220             path = g_build_filename(base, entry, NULL);
1221             if (g_str_has_suffix(path, ".js"))
1222             {
1223                 if (g_file_get_contents(path, &contents, NULL, NULL))
1224                 {
1225                     webkit_web_view_run_javascript(web_view, contents, NULL, NULL, NULL);
1226                     g_free(contents);
1227                 }
1228             }
1229             g_free(path);
1230         }
1231         g_dir_close(scriptdir);
1232     }
1233
1234     g_free(base);
1235 }
1236
1237 void
1238 search(gpointer data, gint direction)
1239 {
1240     struct Client *c = (struct Client *)data;
1241     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
1242     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
1243
1244     if (search_text == NULL)
1245         return;
1246
1247     switch (direction)
1248     {
1249         case 0:
1250             webkit_find_controller_search(fc, search_text,
1251                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
1252                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
1253                                           G_MAXUINT);
1254             break;
1255         case 1:
1256             webkit_find_controller_search_next(fc);
1257             break;
1258         case -1:
1259             webkit_find_controller_search_previous(fc);
1260             break;
1261     }
1262 }
1263
1264 void
1265 show_web_view(WebKitWebView *web_view, gpointer data)
1266 {
1267     struct Client *c = (struct Client *)data;
1268     gint idx;
1269
1270     (void)web_view;
1271
1272     gtk_widget_show_all(mw.win);
1273
1274     idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
1275     if (idx != -1)
1276         gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), idx);
1277
1278     gtk_widget_grab_focus(c->web_view);
1279 }
1280
1281 void
1282 trust_user_certs(WebKitWebContext *wc)
1283 {
1284     GTlsCertificate *cert;
1285     const gchar *basedir, *file, *absfile;
1286     GDir *dir;
1287
1288     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1289     dir = g_dir_open(basedir, 0, NULL);
1290     if (dir != NULL)
1291     {
1292         file = g_dir_read_name(dir);
1293         while (file != NULL)
1294         {
1295             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1296                                        file, NULL);
1297             cert = g_tls_certificate_new_from_file(absfile, NULL);
1298             if (cert == NULL)
1299                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1300             else
1301                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1302             file = g_dir_read_name(dir);
1303         }
1304         g_dir_close(dir);
1305     }
1306 }
1307
1308
1309 int
1310 main(int argc, char **argv)
1311 {
1312     gchar *c;
1313     int opt, i;
1314
1315     gtk_init(&argc, &argv);
1316     webkit_web_context_set_process_model(webkit_web_context_get_default(),
1317         WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1318
1319     grab_environment_configuration();
1320
1321     while ((opt = getopt(argc, argv, "C")) != -1)
1322     {
1323         switch (opt)
1324         {
1325             case 'C':
1326                 cooperative_instances = FALSE;
1327                 break;
1328             default:
1329                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1330                 exit(EXIT_FAILURE);
1331         }
1332     }
1333
1334     keywords_load();
1335     if (cooperative_instances)
1336         cooperation_setup();
1337     downloadmanager_setup();
1338
1339     mainwindow_setup();
1340
1341     if (!cooperative_instances || cooperative_alone)
1342     {
1343         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1344                              NULL);
1345         webkit_web_context_set_web_extensions_directory(
1346             webkit_web_context_get_default(), c
1347         );
1348     }
1349
1350     if (optind >= argc)
1351         client_new(home_uri, NULL, TRUE);
1352     else
1353     {
1354         for (i = optind; i < argc; i++)
1355             client_new(argv[i], NULL, TRUE);
1356     }
1357
1358     if (!cooperative_instances || cooperative_alone)
1359         gtk_main();
1360     exit(EXIT_SUCCESS);
1361 }