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 gint tab_width_chars = 20;
 101 static gchar *user_agent = NULL;
 102
 103
 104 gboolean
 105 button_tablabel(GtkWidget *widget, GdkEvent *event, gpointer data)
 106 {
 107     if (event->type == GDK_BUTTON_RELEASE)
 108     {
 109         switch (((GdkEventButton *)event)->button)
 110         {
 111             case 2:
 112                 client_destroy(NULL, data);
 113                 return TRUE;
 114         }
 115     }
 116     return FALSE;
 117 }
 118
 119 void
 120 client_destroy(GtkWidget *widget, gpointer data)
 121 {
 122     struct Client *c = (struct Client *)data;
 123     gint idx;
 124
 125     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
 126                                          changed_load_progress, c);
 127
 128     idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
 129     if (idx == -1)
 130         fprintf(stderr, __NAME__": Tab index was -1, bamboozled\n");
 131     else
 132         gtk_notebook_remove_page(GTK_NOTEBOOK(mw.notebook), idx);
 133
 134     free(c);
 135     clients--;
 136
 137     quit_if_nothing_active();
 138 }
 139
 140 WebKitWebView *
 141 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show)
 142 {
 143     struct Client *c;
 144     WebKitWebContext *wc;
 145     gchar *f;
 146     GtkWidget *evbox;
 147
 148     if (uri != NULL && cooperative_instances && !cooperative_alone)
 149     {
 150         f = ensure_uri_scheme(uri);
 151         write(cooperative_pipe_fp, f, strlen(f));
 152         write(cooperative_pipe_fp, "\n", 1);
 153         g_free(f);
 154         return NULL;
 155     }
 156
 157     c = calloc(1, sizeof(struct Client));
 158     if (!c)
 159     {
 160         fprintf(stderr, __NAME__": fatal: calloc failed\n");
 161         exit(EXIT_FAILURE);
 162     }
 163
 164     if (related_wv == NULL)
 165         c->web_view = webkit_web_view_new();
 166     else
 167         c->web_view = webkit_web_view_new_with_related_view(related_wv);
 168     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 169
 170     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 171     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 172                      G_CALLBACK(changed_title), c);
 173     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 174                      G_CALLBACK(changed_uri), c);
 175     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 176                      G_CALLBACK(changed_load_progress), c);
 177     g_signal_connect(G_OBJECT(c->web_view), "create",
 178                      G_CALLBACK(client_new_request), NULL);
 179     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 180                      G_CALLBACK(menu_web_view), c);
 181     g_signal_connect(G_OBJECT(c->web_view), "close",
 182                      G_CALLBACK(client_destroy), c);
 183     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 184                      G_CALLBACK(decide_policy), NULL);
 185     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 186                      G_CALLBACK(key_web_view), c);
 187     g_signal_connect(G_OBJECT(c->web_view), "button-release-event",
 188                      G_CALLBACK(key_web_view), c);
 189     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 190                      G_CALLBACK(key_web_view), c);
 191     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 192                      G_CALLBACK(hover_web_view), c);
 193     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 194                      G_CALLBACK(crashed_web_view), c);
 195
 196     if (!initial_wc_setup_done)
 197     {
 198         if (accepted_language[0] != NULL)
 199             webkit_web_context_set_preferred_languages(wc, accepted_language);
 200
 201         g_signal_connect(G_OBJECT(wc), "download-started",
 202                          G_CALLBACK(download_handle_start), NULL);
 203
 204         trust_user_certs(wc);
 205
 206         initial_wc_setup_done = TRUE;
 207     }
 208
 209     if (user_agent != NULL)
 210         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 211                      "user-agent", user_agent, NULL);
 212
 213     if (enable_console_to_stdout)
 214         webkit_settings_set_enable_write_console_messages_to_stdout(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 215
 216     webkit_settings_set_enable_developer_extras(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 217
 218     c->location = gtk_entry_new();
 219     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 220                      G_CALLBACK(key_location), c);
 221     g_signal_connect(G_OBJECT(c->location), "icon-release",
 222                      G_CALLBACK(icon_location), c);
 223     /* XXX This is a workaround. Setting this to NULL (which is done in
 224      * grab_feeds_finished() if no feed has been detected) adds a little
 225      * padding left of the text. Not sure why. The point of this call
 226      * right here is to have that padding right from the start. This
 227      * avoids a graphical artifact. */
 228     gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 229                                       GTK_ENTRY_ICON_PRIMARY,
 230                                       NULL);
 231
 232     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 233     gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 234     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 235
 236     c->tablabel = gtk_label_new(__NAME__);
 237     gtk_label_set_ellipsize(GTK_LABEL(c->tablabel), PANGO_ELLIPSIZE_END);
 238     gtk_label_set_width_chars(GTK_LABEL(c->tablabel), tab_width_chars);
 239
 240     evbox = gtk_event_box_new();
 241     gtk_container_add(GTK_CONTAINER(evbox), c->tablabel);
 242     g_signal_connect(G_OBJECT(evbox), "button-release-event",
 243                      G_CALLBACK(button_tablabel), c);
 244
 245     /* This only shows the event box and the label inside, nothing else.
 246      * Needed because the evbox/label is "internal" to the notebook and
 247      * not part of the normal "widget tree" (IIUC). */
 248     gtk_widget_show_all(evbox);
 249
 250     gtk_notebook_append_page(GTK_NOTEBOOK(mw.notebook), c->vbox, evbox);
 251     gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(mw.notebook), c->vbox, TRUE);
 252
 253     if (show)
 254         show_web_view(NULL, c);
 255     else
 256         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 257                          G_CALLBACK(show_web_view), c);
 258
 259     if (uri != NULL)
 260     {
 261         f = ensure_uri_scheme(uri);
 262         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 263         g_free(f);
 264     }
 265
 266     clients++;
 267
 268     return WEBKIT_WEB_VIEW(c->web_view);
 269 }
 270
 271 WebKitWebView *
 272 client_new_request(WebKitWebView *web_view,
 273                    WebKitNavigationAction *navigation_action, gpointer data)
 274 {
 275     return client_new(NULL, web_view, FALSE);
 276 }
 277
 278 void
 279 cooperation_setup(void)
 280 {
 281     GIOChannel *towatch;
 282     gchar *fifofilename, *fifopath;
 283
 284     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 285     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 286     g_free(fifofilename);
 287
 288     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 289         mkfifo(fifopath, 0600);
 290
 291     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 292     if (!cooperative_pipe_fp)
 293     {
 294         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 295     }
 296     else
 297     {
 298         if (write(cooperative_pipe_fp, "", 0) == -1)
 299         {
 300             /* Could not do an empty write to the FIFO which means there's
 301              * no one listening. */
 302             close(cooperative_pipe_fp);
 303             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 304             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 305         }
 306         else
 307             cooperative_alone = FALSE;
 308     }
 309
 310     g_free(fifopath);
 311 }
 312
 313 void
 314 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 315 {
 316     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 317     WebKitURIResponse *resp;
 318     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 319     gdouble p, size_mb;
 320     const gchar *uri;
 321     gchar *t, *filename, *base;
 322
 323     p = webkit_download_get_estimated_progress(download);
 324     p = p > 1 ? 1 : p;
 325     p = p < 0 ? 0 : p;
 326     p *= 100;
 327     resp = webkit_download_get_response(download);
 328     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 329
 330     uri = webkit_download_get_destination(download);
 331     filename = g_filename_from_uri(uri, NULL, NULL);
 332     if (filename == NULL)
 333     {
 334         /* This really should not happen because WebKit uses that URI to
 335          * write to a file... */
 336         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 337         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 338                             webkit_uri_response_get_uri(resp), p, size_mb);
 339     }
 340     else
 341     {
 342         base = g_path_get_basename(filename);
 343         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 344         g_free(filename);
 345         g_free(base);
 346     }
 347     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 348     g_free(t);
 349 }
 350
 351 void
 352 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 353 {
 354     struct Client *c = (struct Client *)data;
 355     gdouble p;
 356     gchar *grab_feeds =
 357         "a = document.querySelectorAll('"
 358         "    html > head > link[rel=\"alternate\"][href][type=\"application/atom+xml\"],"
 359         "    html > head > link[rel=\"alternate\"][href][type=\"application/rss+xml\"]"
 360         "');"
 361         "if (a.length == 0)"
 362         "    null;"
 363         "else"
 364         "{"
 365         "    out = '';"
 366         "    for (i = 0; i < a.length; i++)"
 367         "    {"
 368         "        url = encodeURIComponent(a[i].href);"
 369         "        if ('title' in a[i] && a[i].title != '')"
 370         "            title = encodeURIComponent(a[i].title);"
 371         "        else"
 372         "            title = url;"
 373         "        out += '<li><a href=\"' + url + '\">' + title + '</a></li>';"
 374         "    }"
 375         "    out;"
 376         "}";
 377
 378     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 379     if (p == 1)
 380     {
 381         p = 0;
 382
 383         /* The page has loaded fully. We now run the short JavaScript
 384          * snippet above that operates on the DOM. It tries to grab all
 385          * occurences of <link rel="alternate" ...>, i.e. RSS/Atom feed
 386          * references. */
 387         webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view),
 388                                        grab_feeds, NULL,
 389                                        grab_feeds_finished, c);
 390
 391         run_user_scripts(WEBKIT_WEB_VIEW(c->web_view));
 392     }
 393     gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 394 }
 395
 396 void
 397 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 398 {
 399     const gchar *t, *u;
 400     struct Client *c = (struct Client *)data;
 401
 402     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 403     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 404
 405     u = u == NULL ? __NAME__ : u;
 406     u = u[0] == 0 ? __NAME__ : u;
 407
 408     t = t == NULL ? u : t;
 409     t = t[0] == 0 ? u : t;
 410
 411     gtk_label_set_text(GTK_LABEL(c->tablabel), t);
 412     mainwindow_title(-1);
 413 }
 414
 415 void
 416 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 417 {
 418     const gchar *t;
 419     struct Client *c = (struct Client *)data;
 420     FILE *fp;
 421
 422     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 423
 424     /* When a web process crashes, we get a "notify::uri" signal, but we
 425      * can no longer read a meaningful URI. It's just an empty string
 426      * now. Not updating the location bar in this scenario is important,
 427      * because we would override the "WEB PROCESS CRASHED" message. */
 428     if (t != NULL && strlen(t) > 0)
 429     {
 430         gtk_entry_set_text(GTK_ENTRY(c->location), t);
 431
 432         if (history_file != NULL)
 433         {
 434             fp = fopen(history_file, "a");
 435             if (fp != NULL)
 436             {
 437                 fprintf(fp, "%s\n", t);
 438                 fclose(fp);
 439             }
 440             else
 441                 perror(__NAME__": Error opening history file");
 442         }
 443     }
 444 }
 445
 446 gboolean
 447 crashed_web_view(WebKitWebView *web_view, gpointer data)
 448 {
 449     gchar *t;
 450     struct Client *c = (struct Client *)data;
 451
 452     t = g_strdup_printf("WEB PROCESS CRASHED: %s",
 453                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
 454     gtk_entry_set_text(GTK_ENTRY(c->location), t);
 455     g_free(t);
 456
 457     return TRUE;
 458 }
 459
 460 gboolean
 461 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 462               WebKitPolicyDecisionType type, gpointer data)
 463 {
 464     WebKitResponsePolicyDecision *r;
 465
 466     switch (type)
 467     {
 468         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 469             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 470             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 471                 webkit_policy_decision_download(decision);
 472             else
 473                 webkit_policy_decision_use(decision);
 474             break;
 475         default:
 476             /* Use whatever default there is. */
 477             return FALSE;
 478     }
 479     return TRUE;
 480 }
 481
 482 void
 483 download_handle_finished(WebKitDownload *download, gpointer data)
 484 {
 485     downloads--;
 486 }
 487
 488 void
 489 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 490                       gpointer data)
 491 {
 492     g_signal_connect(G_OBJECT(download), "decide-destination",
 493                      G_CALLBACK(download_handle), data);
 494 }
 495
 496 gboolean
 497 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 498 {
 499     gchar *sug_clean, *path, *path2 = NULL, *uri;
 500     GtkToolItem *tb;
 501     int suffix = 1;
 502     size_t i;
 503
 504     sug_clean = g_strdup(suggested_filename);
 505     for (i = 0; i < strlen(sug_clean); i++)
 506         if (sug_clean[i] == G_DIR_SEPARATOR)
 507             sug_clean[i] = '_';
 508
 509     path = g_build_filename(download_dir, sug_clean, NULL);
 510     path2 = g_strdup(path);
 511     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 512     {
 513         g_free(path2);
 514
 515         path2 = g_strdup_printf("%s.%d", path, suffix);
 516         suffix++;
 517     }
 518
 519     if (suffix == 1000)
 520     {
 521         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 522         webkit_download_cancel(download);
 523     }
 524     else
 525     {
 526         uri = g_filename_to_uri(path2, NULL, NULL);
 527         webkit_download_set_destination(download, uri);
 528         g_free(uri);
 529
 530         tb = gtk_tool_button_new(NULL, NULL);
 531         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 532         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 533         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 534         gtk_widget_show_all(dm.win);
 535
 536         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 537                          G_CALLBACK(changed_download_progress), tb);
 538
 539         downloads++;
 540         g_signal_connect(G_OBJECT(download), "finished",
 541                          G_CALLBACK(download_handle_finished), NULL);
 542
 543         g_object_ref(download);
 544         g_signal_connect(G_OBJECT(tb), "clicked",
 545                          G_CALLBACK(downloadmanager_cancel), download);
 546     }
 547
 548     g_free(sug_clean);
 549     g_free(path);
 550     g_free(path2);
 551
 552     /* Propagate -- to whom it may concern. */
 553     return FALSE;
 554 }
 555
 556 void
 557 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 558 {
 559     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 560
 561     webkit_download_cancel(download);
 562     g_object_unref(download);
 563
 564     gtk_widget_destroy(GTK_WIDGET(tb));
 565 }
 566
 567 gboolean
 568 downloadmanager_delete(GtkWidget *obj, gpointer data)
 569 {
 570     if (!quit_if_nothing_active())
 571         gtk_widget_hide(dm.win);
 572
 573     return TRUE;
 574 }
 575
 576 void
 577 downloadmanager_setup(void)
 578 {
 579     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 580     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 581     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 582     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 583     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 584                      G_CALLBACK(downloadmanager_delete), NULL);
 585     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 586                      G_CALLBACK(key_downloadmanager), NULL);
 587
 588     dm.toolbar = gtk_toolbar_new();
 589     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 590                                    GTK_ORIENTATION_VERTICAL);
 591     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 592     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 593
 594     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 595     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 596                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 597     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 598
 599     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 600 }
 601
 602 gchar *
 603 ensure_uri_scheme(const gchar *t)
 604 {
 605     gchar *f, *fabs;
 606
 607     f = g_ascii_strdown(t, -1);
 608     if (!g_str_has_prefix(f, "http:") &&
 609         !g_str_has_prefix(f, "https:") &&
 610         !g_str_has_prefix(f, "file:") &&
 611         !g_str_has_prefix(f, "about:") &&
 612         !g_str_has_prefix(f, "data:"))
 613     {
 614         g_free(f);
 615         fabs = realpath(t, NULL);
 616         if (fabs != NULL)
 617         {
 618             f = g_strdup_printf("file://%s", fabs);
 619             free(fabs);
 620         }
 621         else
 622             f = g_strdup_printf("http://%s", t);
 623         return f;
 624     }
 625     else
 626         return g_strdup(t);
 627 }
 628
 629 void
 630 external_handler_run(GSimpleAction *simple, GVariant *param, gpointer data)
 631 {
 632     struct Client *c = (struct Client *)data;
 633     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 634     GPid pid;
 635     GError *err = NULL;
 636
 637     (void)simple;
 638     (void)param;
 639
 640     argv[2] = c->external_handler_uri;
 641     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 642                        &pid, &err))
 643     {
 644         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 645                 err->message);
 646         g_error_free(err);
 647     }
 648     else
 649         g_spawn_close_pid(pid);
 650 }
 651
 652 void
 653 grab_environment_configuration(void)
 654 {
 655     const gchar *e;
 656
 657     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 658     if (e != NULL)
 659         accepted_language[0] = g_strdup(e);
 660
 661     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 662     if (e != NULL)
 663         download_dir = g_strdup(e);
 664
 665     e = g_getenv(__NAME_UPPERCASE__"_ENABLE_CONSOLE_TO_STDOUT");
 666     if (e != NULL)
 667         enable_console_to_stdout = TRUE;
 668
 669     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 670     if (e != NULL)
 671         fifo_suffix = g_strdup(e);
 672
 673     e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE");
 674     if (e != NULL)
 675         history_file = g_strdup(e);
 676
 677     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 678     if (e != NULL)
 679         home_uri = g_strdup(e);
 680
 681     e = g_getenv(__NAME_UPPERCASE__"_TAB_POS");
 682     if (e != NULL)
 683     {
 684         if (strcmp(e, "top") == 0)
 685             tab_pos = GTK_POS_TOP;
 686         if (strcmp(e, "right") == 0)
 687             tab_pos = GTK_POS_RIGHT;
 688         if (strcmp(e, "bottom") == 0)
 689             tab_pos = GTK_POS_BOTTOM;
 690         if (strcmp(e, "left") == 0)
 691             tab_pos = GTK_POS_LEFT;
 692     }
 693
 694     e = g_getenv(__NAME_UPPERCASE__"_TAB_WIDTH_CHARS");
 695     if (e != NULL)
 696         tab_width_chars = atoi(e);
 697
 698     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 699     if (e != NULL)
 700         user_agent = g_strdup(e);
 701
 702     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 703     if (e != NULL)
 704         global_zoom = atof(e);
 705 }
 706
 707 void
 708 grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data)
 709 {
 710     struct Client *c = (struct Client *)data;
 711     WebKitJavascriptResult *js_result;
 712     JSCValue *value;
 713     JSCException *exception;
 714     GError *err = NULL;
 715     gchar *str_value;
 716
 717     g_free(c->feed_html);
 718     c->feed_html = NULL;
 719
 720     /* This was taken almost verbatim from the example in WebKit's
 721      * documentation:
 722      *
 723      * https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html#webkit-web-view-run-javascript-finish */
 724
 725     js_result = webkit_web_view_run_javascript_finish(WEBKIT_WEB_VIEW(object),
 726                                                       result, &err);
 727     if (!js_result)
 728     {
 729         fprintf(stderr, __NAME__": Error running javascript: %s\n", err->message);
 730         g_error_free(err);
 731         return;
 732     }
 733
 734     value = webkit_javascript_result_get_js_value(js_result);
 735     if (jsc_value_is_string(value))
 736     {
 737         str_value = jsc_value_to_string(value);
 738         exception = jsc_context_get_exception(jsc_value_get_context(value));
 739         if (exception != NULL)
 740         {
 741             fprintf(stderr, __NAME__": Error running javascript: %s\n",
 742                     jsc_exception_get_message(exception));
 743         }
 744         else
 745             c->feed_html = str_value;
 746
 747         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 748                                           GTK_ENTRY_ICON_PRIMARY,
 749                                           "application-rss+xml-symbolic");
 750         gtk_entry_set_icon_activatable(GTK_ENTRY(c->location),
 751                                        GTK_ENTRY_ICON_PRIMARY,
 752                                        TRUE);
 753     }
 754     else
 755     {
 756         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 757                                           GTK_ENTRY_ICON_PRIMARY,
 758                                           NULL);
 759     }
 760
 761     webkit_javascript_result_unref(js_result);
 762 }
 763
 764 void
 765 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 766                gpointer data)
 767 {
 768     struct Client *c = (struct Client *)data;
 769
 770     if (!gtk_widget_is_focus(c->location))
 771     {
 772         if (webkit_hit_test_result_context_is_link(ht))
 773         {
 774             gtk_entry_set_text(GTK_ENTRY(c->location),
 775                                webkit_hit_test_result_get_link_uri(ht));
 776
 777             if (c->hover_uri != NULL)
 778                 g_free(c->hover_uri);
 779             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 780         }
 781         else
 782         {
 783             gtk_entry_set_text(GTK_ENTRY(c->location),
 784                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 785
 786             if (c->hover_uri != NULL)
 787                 g_free(c->hover_uri);
 788             c->hover_uri = NULL;
 789         }
 790     }
 791 }
 792
 793 void
 794 icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event,
 795               gpointer data)
 796 {
 797     struct Client *c = (struct Client *)data;
 798     gchar *d;
 799     gchar *data_template =
 800         "data:text/html,"
 801         "<!DOCTYPE html>"
 802         "<html>"
 803         "    <head>"
 804         "        <meta charset=\"UTF-8\">"
 805         "        <title>Feeds</title>"
 806         "    </head>"
 807         "    <body>"
 808         "        <p>Feeds found on this page:</p>"
 809         "        <ul>"
 810         "        %s"
 811         "        </ul>"
 812         "    </body>"
 813         "</html>";
 814
 815     if (c->feed_html != NULL)
 816     {
 817         /* What we're actually trying to do is show a simple HTML page
 818          * that lists all the feeds on the current page. The function
 819          * webkit_web_view_load_html() looks like the proper way to do
 820          * that. Sad thing is, it doesn't create a history entry, but
 821          * instead simply replaces the content of the current page. This
 822          * is not what we want.
 823          *
 824          * RFC 2397 [0] defines the data URI scheme [1]. We abuse this
 825          * mechanism to show my custom HTML snippet *and* create a
 826          * history entry.
 827          *
 828          * [0]: https://tools.ietf.org/html/rfc2397
 829          * [1]: https://en.wikipedia.org/wiki/Data_URI_scheme */
 830         d = g_strdup_printf(data_template, c->feed_html);
 831         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d);
 832         g_free(d);
 833     }
 834 }
 835
 836 gboolean
 837 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 838 {
 839     struct Client *c = (struct Client *)data;
 840     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 841     gchar *f;
 842
 843     if (event->type == GDK_KEY_PRESS)
 844     {
 845         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 846         {
 847             switch (((GdkEventKey *)event)->keyval)
 848             {
 849                 case GDK_KEY_q:  /* close window (left hand) */
 850                     client_destroy(NULL, c);
 851                     return TRUE;
 852                 case GDK_KEY_w:  /* home (left hand) */
 853                     f = ensure_uri_scheme(home_uri);
 854                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 855                     g_free(f);
 856                     return TRUE;
 857                 case GDK_KEY_e:  /* new tab (left hand) */
 858                     f = ensure_uri_scheme(home_uri);
 859                     client_new(f, NULL, TRUE);
 860                     g_free(f);
 861                     return TRUE;
 862                 case GDK_KEY_r:  /* reload (left hand) */
 863                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 864                                                         c->web_view));
 865                     return TRUE;
 866                 case GDK_KEY_d:  /* download manager (left hand) */
 867                     gtk_widget_show_all(dm.win);
 868                     return TRUE;
 869                 case GDK_KEY_2:  /* search forward (left hand) */
 870                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 871                     search(c, 1);
 872                     return TRUE;
 873                 case GDK_KEY_3:  /* search backward (left hand) */
 874                     search(c, -1);
 875                     return TRUE;
 876                 case GDK_KEY_l:  /* location (BOTH hands) */
 877                     gtk_widget_grab_focus(c->location);
 878                     return TRUE;
 879                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 880                     gtk_widget_grab_focus(c->location);
 881                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 882                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 883                     return TRUE;
 884                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 885                     trust_user_certs(wc);
 886                     return TRUE;
 887                 case GDK_KEY_x:  /* launch external handler (left hand) */
 888                     if (c->external_handler_uri != NULL)
 889                         g_free(c->external_handler_uri);
 890                     c->external_handler_uri = g_strdup(
 891                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 892                     external_handler_run(NULL, NULL, c);
 893                     return TRUE;
 894                 case GDK_KEY_a:  /* go one tab to the left (left hand) */
 895                     gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
 896                     return TRUE;
 897                 case GDK_KEY_s:  /* go one tab to the right (left hand) */
 898                     gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
 899                     return TRUE;
 900             }
 901         }
 902         /* navigate backward (left hand) */
 903         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 904         {
 905             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 906             return TRUE;
 907         }
 908         /* navigate forward (left hand) */
 909         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 910         {
 911             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 912             return TRUE;
 913         }
 914     }
 915
 916     return FALSE;
 917 }
 918
 919 gboolean
 920 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 921 {
 922     if (event->type == GDK_KEY_PRESS)
 923     {
 924         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 925         {
 926             switch (((GdkEventKey *)event)->keyval)
 927             {
 928                 case GDK_KEY_d:  /* close window (left hand) */
 929                 case GDK_KEY_q:
 930                     downloadmanager_delete(dm.win, NULL);
 931                     return TRUE;
 932             }
 933         }
 934     }
 935
 936     return FALSE;
 937 }
 938
 939 gboolean
 940 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 941 {
 942     struct Client *c = (struct Client *)data;
 943     const gchar *t;
 944     gchar *f;
 945
 946     if (key_common(widget, event, data))
 947         return TRUE;
 948
 949     if (event->type == GDK_KEY_PRESS)
 950     {
 951         switch (((GdkEventKey *)event)->keyval)
 952         {
 953             case GDK_KEY_KP_Enter:
 954             case GDK_KEY_Return:
 955                 gtk_widget_grab_focus(c->web_view);
 956                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 957                 if (t != NULL && t[0] == ':' && t[1] == '/')
 958                 {
 959                     if (search_text != NULL)
 960                         g_free(search_text);
 961                     search_text = g_strdup(t + 2);
 962                     search(c, 0);
 963                 }
 964                 else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 965                 {
 966                     f = ensure_uri_scheme(t);
 967                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 968                     g_free(f);
 969                 }
 970                 return TRUE;
 971             case GDK_KEY_Escape:
 972                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 973                 gtk_entry_set_text(GTK_ENTRY(c->location),
 974                                    (t == NULL ? __NAME__ : t));
 975                 return TRUE;
 976         }
 977     }
 978
 979     return FALSE;
 980 }
 981
 982 gboolean
 983 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 984 {
 985     struct Client *c = (struct Client *)data;
 986     gdouble dx, dy;
 987     gfloat z;
 988
 989     if (key_common(widget, event, data))
 990         return TRUE;
 991
 992     if (event->type == GDK_KEY_PRESS)
 993     {
 994         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 995         {
 996             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 997             gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
 998         }
 999     }
1000     else if (event->type == GDK_BUTTON_RELEASE)
1001     {
1002         switch (((GdkEventButton *)event)->button)
1003         {
1004             case 2:
1005                 if (c->hover_uri != NULL)
1006                 {
1007                     client_new(c->hover_uri, NULL, TRUE);
1008                     return TRUE;
1009                 }
1010                 break;
1011             case 8:
1012                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
1013                 return TRUE;
1014             case 9:
1015                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
1016                 return TRUE;
1017         }
1018     }
1019     else if (event->type == GDK_SCROLL)
1020     {
1021         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
1022             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
1023         {
1024             gdk_event_get_scroll_deltas(event, &dx, &dy);
1025             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
1026             z += -dy * 0.1;
1027             z = dx != 0 ? global_zoom : z;
1028             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
1029             return TRUE;
1030         }
1031     }
1032
1033     return FALSE;
1034 }
1035
1036 void
1037 keywords_load(void)
1038 {
1039     GError *err = NULL;
1040     GIOChannel *channel = NULL;
1041     gchar *path = NULL, *buf = NULL;
1042     gchar **tokens = NULL;
1043
1044     keywords = g_hash_table_new(g_str_hash, g_str_equal);
1045
1046     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
1047                             NULL);
1048     channel = g_io_channel_new_file(path, "r", &err);
1049     if (channel != NULL)
1050     {
1051         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
1052                == G_IO_STATUS_NORMAL)
1053         {
1054             g_strstrip(buf);
1055             if (buf[0] != '#')
1056             {
1057                 tokens = g_strsplit(buf, " ", 2);
1058                 if (tokens[0] != NULL && tokens[1] != NULL)
1059                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
1060                                         g_strdup(tokens[1]));
1061                 g_strfreev(tokens);
1062             }
1063             g_free(buf);
1064         }
1065         g_io_channel_shutdown(channel, FALSE, NULL);
1066     }
1067     g_free(path);
1068 }
1069
1070 gboolean
1071 keywords_try_search(WebKitWebView *web_view, const gchar *t)
1072 {
1073     gboolean ret = FALSE;
1074     gchar **tokens = NULL;
1075     gchar *val = NULL, *escaped = NULL, *uri = NULL;
1076
1077     tokens = g_strsplit(t, " ", 2);
1078     if (tokens[0] != NULL && tokens[1] != NULL)
1079     {
1080         val = g_hash_table_lookup(keywords, tokens[0]);
1081         if (val != NULL)
1082         {
1083             escaped = g_uri_escape_string(tokens[1], NULL, TRUE);
1084             uri = g_strdup_printf((gchar *)val, escaped);
1085             webkit_web_view_load_uri(web_view, uri);
1086             g_free(uri);
1087             g_free(escaped);
1088             ret = TRUE;
1089         }
1090     }
1091     g_strfreev(tokens);
1092
1093     return ret;
1094 }
1095
1096 void
1097 mainwindow_setup(void)
1098 {
1099     mw.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1100     gtk_window_set_default_size(GTK_WINDOW(mw.win), 800, 600);
1101     g_signal_connect(G_OBJECT(mw.win), "destroy", gtk_main_quit, NULL);
1102     gtk_window_set_title(GTK_WINDOW(mw.win), __NAME__);
1103
1104     mw.notebook = gtk_notebook_new();
1105     gtk_notebook_set_scrollable(GTK_NOTEBOOK(mw.notebook), TRUE);
1106     gtk_notebook_set_tab_pos(GTK_NOTEBOOK(mw.notebook), tab_pos);
1107     gtk_container_add(GTK_CONTAINER(mw.win), mw.notebook);
1108     g_signal_connect(G_OBJECT(mw.notebook), "switch-page",
1109                      G_CALLBACK(mainwindow_title_before), NULL);
1110 }
1111
1112 void
1113 mainwindow_title_before(GtkNotebook *nb, GtkWidget *p, guint idx, gpointer data)
1114 {
1115     mainwindow_title(idx);
1116 }
1117
1118 void
1119 mainwindow_title(gint idx)
1120 {
1121     GtkWidget *child, *evbox, *label;
1122     const gchar *text;
1123
1124     if (idx == -1)
1125     {
1126         idx = gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook));
1127         if (idx == -1)
1128             return;
1129     }
1130
1131     child = gtk_notebook_get_nth_page(GTK_NOTEBOOK(mw.notebook), idx);
1132     if (child == NULL)
1133         return;
1134
1135     evbox = gtk_notebook_get_tab_label(GTK_NOTEBOOK(mw.notebook), child);
1136     label = gtk_bin_get_child(GTK_BIN(evbox));
1137     text = gtk_label_get_text(GTK_LABEL(label));
1138     gtk_window_set_title(GTK_WINDOW(mw.win), text);
1139 }
1140
1141 gboolean
1142 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
1143               WebKitHitTestResult *ht, gpointer data)
1144 {
1145     struct Client *c = (struct Client *)data;
1146     GSimpleAction *action = NULL;
1147     WebKitContextMenuItem *mi = NULL;
1148     const gchar *uri = NULL;
1149
1150     (void)ev;
1151
1152     if (webkit_hit_test_result_context_is_link(ht))
1153         uri = webkit_hit_test_result_get_link_uri(ht);
1154     else if (webkit_hit_test_result_context_is_image(ht))
1155         uri = webkit_hit_test_result_get_image_uri(ht);
1156     else if (webkit_hit_test_result_context_is_media(ht))
1157         uri = webkit_hit_test_result_get_media_uri(ht);
1158
1159     if (uri != NULL)
1160     {
1161         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
1162
1163         if (c->external_handler_uri != NULL)
1164             g_free(c->external_handler_uri);
1165         c->external_handler_uri = g_strdup(uri);
1166         action = g_simple_action_new("external_handler", NULL);
1167         g_signal_connect(G_OBJECT(action), "activate",
1168                          G_CALLBACK(external_handler_run), data);
1169         mi = webkit_context_menu_item_new_from_gaction(G_ACTION(action),
1170                                                        "Open with external handler",
1171                                                        NULL);
1172         webkit_context_menu_append(menu, mi);
1173         g_object_unref(action);
1174     }
1175
1176     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
1177     return FALSE;
1178 }
1179
1180 gboolean
1181 quit_if_nothing_active(void)
1182 {
1183     if (clients == 0)
1184     {
1185         if (downloads == 0)
1186         {
1187             gtk_main_quit();
1188             return TRUE;
1189         }
1190         else
1191             gtk_widget_show_all(dm.win);
1192     }
1193
1194     return FALSE;
1195 }
1196
1197 gboolean
1198 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
1199 {
1200     gchar *uri = NULL;
1201
1202     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
1203     if (uri)
1204     {
1205         g_strstrip(uri);
1206         client_new(uri, NULL, TRUE);
1207         g_free(uri);
1208     }
1209     return TRUE;
1210 }
1211
1212 void
1213 run_user_scripts(WebKitWebView *web_view)
1214 {
1215     gchar *base = NULL, *path = NULL, *contents = NULL;
1216     const gchar *entry = NULL;
1217     GDir *scriptdir = NULL;
1218
1219     base = g_build_filename(g_get_user_config_dir(), __NAME__, "user-scripts", NULL);
1220     scriptdir = g_dir_open(base, 0, NULL);
1221     if (scriptdir != NULL)
1222     {
1223         while ((entry = g_dir_read_name(scriptdir)) != NULL)
1224         {
1225             path = g_build_filename(base, entry, NULL);
1226             if (g_str_has_suffix(path, ".js"))
1227             {
1228                 if (g_file_get_contents(path, &contents, NULL, NULL))
1229                 {
1230                     webkit_web_view_run_javascript(web_view, contents, NULL, NULL, NULL);
1231                     g_free(contents);
1232                 }
1233             }
1234             g_free(path);
1235         }
1236         g_dir_close(scriptdir);
1237     }
1238
1239     g_free(base);
1240 }
1241
1242 void
1243 search(gpointer data, gint direction)
1244 {
1245     struct Client *c = (struct Client *)data;
1246     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
1247     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
1248
1249     if (search_text == NULL)
1250         return;
1251
1252     switch (direction)
1253     {
1254         case 0:
1255             webkit_find_controller_search(fc, search_text,
1256                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
1257                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
1258                                           G_MAXUINT);
1259             break;
1260         case 1:
1261             webkit_find_controller_search_next(fc);
1262             break;
1263         case -1:
1264             webkit_find_controller_search_previous(fc);
1265             break;
1266     }
1267 }
1268
1269 void
1270 show_web_view(WebKitWebView *web_view, gpointer data)
1271 {
1272     struct Client *c = (struct Client *)data;
1273     gint idx;
1274
1275     (void)web_view;
1276
1277     gtk_widget_show_all(mw.win);
1278
1279     idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
1280     if (idx != -1)
1281         gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), idx);
1282
1283     gtk_widget_grab_focus(c->web_view);
1284 }
1285
1286 void
1287 trust_user_certs(WebKitWebContext *wc)
1288 {
1289     GTlsCertificate *cert;
1290     const gchar *basedir, *file, *absfile;
1291     GDir *dir;
1292
1293     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1294     dir = g_dir_open(basedir, 0, NULL);
1295     if (dir != NULL)
1296     {
1297         file = g_dir_read_name(dir);
1298         while (file != NULL)
1299         {
1300             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1301                                        file, NULL);
1302             cert = g_tls_certificate_new_from_file(absfile, NULL);
1303             if (cert == NULL)
1304                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1305             else
1306                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1307             file = g_dir_read_name(dir);
1308         }
1309         g_dir_close(dir);
1310     }
1311 }
1312
1313
1314 int
1315 main(int argc, char **argv)
1316 {
1317     gchar *c;
1318     int opt, i;
1319
1320     gtk_init(&argc, &argv);
1321     webkit_web_context_set_process_model(webkit_web_context_get_default(),
1322         WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1323
1324     grab_environment_configuration();
1325
1326     while ((opt = getopt(argc, argv, "C")) != -1)
1327     {
1328         switch (opt)
1329         {
1330             case 'C':
1331                 cooperative_instances = FALSE;
1332                 break;
1333             default:
1334                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1335                 exit(EXIT_FAILURE);
1336         }
1337     }
1338
1339     keywords_load();
1340     if (cooperative_instances)
1341         cooperation_setup();
1342     downloadmanager_setup();
1343
1344     mainwindow_setup();
1345
1346     if (!cooperative_instances || cooperative_alone)
1347     {
1348         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1349                              NULL);
1350         webkit_web_context_set_web_extensions_directory(
1351             webkit_web_context_get_default(), c
1352         );
1353     }
1354
1355     if (optind >= argc)
1356         client_new(home_uri, NULL, TRUE);
1357     else
1358     {
1359         for (i = optind; i < argc; i++)
1360             client_new(argv[i], NULL, TRUE);
1361     }
1362
1363     if (!cooperative_instances || cooperative_alone)
1364         gtk_main();
1365     exit(EXIT_SUCCESS);
1366 }