src/browser.c

   1 #include <fcntl.h>
   2 #include <sys/stat.h>
   3 #include <webkit2/webkit2.h>
   4
   5 #include "downloads.h"
   6
   7 void client_destroy(GtkWidget *, gpointer);
   8 WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean, gboolean);
   9 WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  10                                   gpointer);
  11 void cooperation_setup(void);
  12 void changed_load_progress(GObject *, GParamSpec *, gpointer);
  13 void changed_favicon(GObject *, GParamSpec *, gpointer);
  14 void changed_title(GObject *, GParamSpec *, gpointer);
  15 void changed_uri(GObject *, GParamSpec *, gpointer);
  16 gboolean crashed_web_view(WebKitWebView *, gpointer);
  17 gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  18                        WebKitPolicyDecisionType, gpointer);
  19 gchar *ensure_uri_scheme(const gchar *);
  20 void grab_environment_configuration(void);
  21 void grab_feeds_finished(GObject *, GAsyncResult *, gpointer);
  22 void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  23 void icon_location(GtkEntry *, GtkEntryIconPosition, GdkEvent *, gpointer);
  24 void init_default_web_context(void);
  25 gboolean key_common(GtkWidget *, GdkEvent *, gpointer);
  26 gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  27 gboolean key_tablabel(GtkWidget *, GdkEvent *, gpointer);
  28 gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  29 void mainwindow_setup(void);
  30 void mainwindow_title(gint);
  31 void notebook_switch_page(GtkNotebook *, GtkWidget *, guint, gpointer);
  32 gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  33 void run_user_scripts(WebKitWebView *);
  34 void search(gpointer, gint);
  35 void show_web_view(WebKitWebView *, gpointer);
  36 void trust_user_certs(WebKitWebContext *);
  37 GKeyFile *get_ini(void);
  38 GKeyFile *config;
  39
  40 struct Client {
  41     GtkWidget *imgbutton;
  42     GtkWidget *jsbutton;
  43     GtkWidget *location;
  44     GtkWidget *tabicon;
  45     GtkWidget *tablabel;
  46     GtkWidget *vbox;
  47     GtkWidget *web_view;
  48     WebKitSettings *settings;
  49     gboolean focus_new_tab;
  50     gchar *external_handler_uri;
  51     gchar *feed_html;
  52     gchar *hover_uri;
  53 };
  54
  55 struct Configuration {
  56     WebKitCookieAcceptPolicy cookie_policy;
  57     const gchar *accepted_language[2];
  58     gboolean cooperative_alone;
  59     gboolean cooperative_instances;
  60     gboolean enable_console_to_stdout;
  61     gboolean images_disabled;
  62     gboolean javascript_disabled;
  63     gboolean private;
  64     gboolean spellcheck_disabled;
  65     gchar *default_uri;
  66     gchar *download_dir;
  67     gchar *fifo_suffix;
  68     gchar *history_file;
  69     gchar *home_uri;
  70     gchar *search_engine;
  71     gchar *spellcheck_language;
  72     gchar *user_agent;
  73     gdouble global_zoom;
  74     gint scroll_lines;
  75     gint tab_width_chars;
  76 } cfg;
  77
  78 struct MainWindow {
  79     GtkWidget *win;
  80     GtkWidget *notebook;
  81 } mw;
  82
  83 gint clients = 0;
  84 int cooperative_pipe_fp = 0;
  85 gchar *search_text;
  86
  87 void
  88 togglejs(GtkButton *jsbutton, gpointer data) {
  89     struct Client *c = (struct Client *)data;
  90     webkit_settings_set_enable_javascript(
  91         c->settings, !webkit_settings_get_enable_javascript(c->settings));
  92     webkit_web_view_set_settings(WEBKIT_WEB_VIEW(c->web_view), c->settings);
  93 }
  94
  95 void
  96 toggleimg(GtkButton *imgbutton, gpointer data) {
  97     struct Client *c = (struct Client *)data;
  98     webkit_settings_set_auto_load_images(
  99         c->settings, !webkit_settings_get_auto_load_images(c->settings));
 100     webkit_web_view_set_settings(WEBKIT_WEB_VIEW(c->web_view), c->settings);
 101 }
 102
 103 void
 104 client_destroy(GtkWidget *widget, gpointer data) {
 105     struct Client *c = (struct Client *)data;
 106     gint idx;
 107
 108     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
 109                                          changed_load_progress, c);
 110
 111     idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
 112     if (idx == -1)
 113         fprintf(stderr, __NAME__ ": Tab index was -1, bamboozled\n");
 114     else
 115         gtk_notebook_remove_page(GTK_NOTEBOOK(mw.notebook), idx);
 116
 117     free(c);
 118     clients--;
 119
 120     quit_if_nothing_active();
 121 }
 122
 123 void
 124 set_uri(const char *uri, struct Client *c) {
 125     if (!gtk_widget_is_focus(c->location)) {
 126         gtk_entry_set_text(GTK_ENTRY(c->location), uri);
 127     }
 128 }
 129
 130 WebKitWebView *
 131 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show,
 132            gboolean focus_tab) {
 133     struct Client *c;
 134     gchar *f;
 135     GtkWidget *evbox, *tabbox;
 136
 137     if (uri != NULL && cfg.cooperative_instances && !cfg.cooperative_alone) {
 138         f = ensure_uri_scheme(uri);
 139         write(cooperative_pipe_fp, f, strlen(f));
 140         write(cooperative_pipe_fp, "\n", 1);
 141         g_free(f);
 142         return NULL;
 143     }
 144
 145     c = calloc(1, sizeof(struct Client));
 146     if (!c) {
 147         fprintf(stderr, __NAME__ ": fatal: calloc failed\n");
 148         exit(EXIT_FAILURE);
 149     }
 150
 151     c->focus_new_tab = focus_tab;
 152
 153     if (related_wv == NULL)
 154         c->web_view = webkit_web_view_new();
 155     else
 156         c->web_view = webkit_web_view_new_with_related_view(related_wv);
 157
 158     c->settings = webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view));
 159
 160     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view),
 161                                    cfg.global_zoom);
 162     webkit_settings_set_enable_javascript(c->settings,
 163                                           !cfg.javascript_disabled);
 164     webkit_settings_set_auto_load_images(c->settings, !cfg.images_disabled);
 165     g_signal_connect(G_OBJECT(c->web_view), "notify::favicon",
 166                      G_CALLBACK(changed_favicon), c);
 167     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 168                      G_CALLBACK(changed_title), c);
 169     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 170                      G_CALLBACK(changed_uri), c);
 171     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 172                      G_CALLBACK(changed_load_progress), c);
 173     g_signal_connect(G_OBJECT(c->web_view), "create",
 174                      G_CALLBACK(client_new_request), NULL);
 175     g_signal_connect(G_OBJECT(c->web_view), "close", G_CALLBACK(client_destroy),
 176                      c);
 177     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 178                      G_CALLBACK(decide_policy), NULL);
 179     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 180                      G_CALLBACK(key_web_view), c);
 181     g_signal_connect(G_OBJECT(c->web_view), "button-release-event",
 182                      G_CALLBACK(key_web_view), c);
 183     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 184                      G_CALLBACK(key_web_view), c);
 185     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 186                      G_CALLBACK(hover_web_view), c);
 187     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 188                      G_CALLBACK(crashed_web_view), c);
 189
 190     if (cfg.user_agent != NULL) {
 191         g_object_set(c->settings, "user-agent", cfg.user_agent, NULL);
 192     }
 193
 194     if (cfg.enable_console_to_stdout)
 195         webkit_settings_set_enable_write_console_messages_to_stdout(c->settings,
 196                                                                     TRUE);
 197
 198     webkit_settings_set_enable_developer_extras(c->settings, TRUE);
 199
 200     GtkWidget *locbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 201
 202     c->jsbutton = gtk_toggle_button_new_with_label("JS");
 203     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(c->jsbutton),
 204                                  !cfg.javascript_disabled);
 205     g_signal_connect(G_OBJECT(c->jsbutton), "toggled", G_CALLBACK(togglejs), c);
 206
 207     c->imgbutton = gtk_toggle_button_new_with_label("IMG");
 208     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(c->imgbutton),
 209                                  !cfg.images_disabled);
 210     g_signal_connect(G_OBJECT(c->imgbutton), "toggled", G_CALLBACK(toggleimg),
 211                      c);
 212
 213     c->location = gtk_entry_new();
 214     gtk_box_pack_start(GTK_BOX(locbox), c->location, TRUE, TRUE, 5);
 215     gtk_box_pack_end(GTK_BOX(locbox), c->jsbutton, FALSE, FALSE, 0);
 216     gtk_box_pack_end(GTK_BOX(locbox), c->imgbutton, FALSE, FALSE, 0);
 217
 218     if (cfg.private) {
 219         GtkWidget *privindicator = gtk_label_new("Private mode");
 220         gtk_widget_set_tooltip_text(
 221             privindicator, "You are in private mode. No history, caches, or "
 222                            "cookies will be saved beyond this session.");
 223         gtk_box_pack_end(GTK_BOX(locbox), privindicator, FALSE, FALSE, 5);
 224     }
 225
 226     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 227                      G_CALLBACK(key_location), c);
 228     g_signal_connect(G_OBJECT(c->location), "icon-release",
 229                      G_CALLBACK(icon_location), c);
 230     /* XXX This is a workaround. Setting this to NULL (which is done in
 231      * grab_feeds_finished() if no feed has been detected) adds a little
 232      * padding left of the text. Not sure why. The point of this call
 233      * right here is to have that padding right from the start. This
 234      * avoids a graphical artifact. */
 235     gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 236                                       GTK_ENTRY_ICON_SECONDARY, NULL);
 237
 238     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 239     gtk_box_pack_start(GTK_BOX(c->vbox), locbox, FALSE, FALSE, 0);
 240     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 241     gtk_container_set_focus_child(GTK_CONTAINER(c->vbox), c->web_view);
 242
 243     c->tabicon =
 244         gtk_image_new_from_icon_name("text-html", GTK_ICON_SIZE_SMALL_TOOLBAR);
 245
 246     c->tablabel = gtk_label_new(__NAME__);
 247     gtk_label_set_ellipsize(GTK_LABEL(c->tablabel), PANGO_ELLIPSIZE_END);
 248     gtk_label_set_width_chars(GTK_LABEL(c->tablabel), cfg.tab_width_chars);
 249     gtk_widget_set_has_tooltip(c->tablabel, TRUE);
 250
 251     /* XXX I don't own a HiDPI screen, so I don't know if scale_factor
 252      * does the right thing. */
 253     tabbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,
 254                          5 * gtk_widget_get_scale_factor(mw.win));
 255     gtk_box_pack_start(GTK_BOX(tabbox), c->tabicon, FALSE, FALSE, 0);
 256     gtk_box_pack_start(GTK_BOX(tabbox), c->tablabel, TRUE, TRUE, 0);
 257
 258     evbox = gtk_event_box_new();
 259     gtk_container_add(GTK_CONTAINER(evbox), tabbox);
 260     g_signal_connect(G_OBJECT(evbox), "button-release-event",
 261                      G_CALLBACK(key_tablabel), c);
 262
 263     gtk_widget_add_events(evbox, GDK_SCROLL_MASK);
 264     g_signal_connect(G_OBJECT(evbox), "scroll-event", G_CALLBACK(key_tablabel),
 265                      c);
 266
 267     // For easy access, store a reference to our label.
 268     g_object_set_data(G_OBJECT(evbox), "chorizo-tab-label", c->tablabel);
 269
 270     /* This only shows the event box and the label inside, nothing else.
 271      * Needed because the evbox/label is "internal" to the notebook and
 272      * not part of the normal "widget tree" (IIUC). */
 273     gtk_widget_show_all(evbox);
 274
 275     int page = gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)) + 1;
 276     gtk_notebook_insert_page(GTK_NOTEBOOK(mw.notebook), c->vbox, evbox, page);
 277     gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(mw.notebook), c->vbox, TRUE);
 278
 279     if (show)
 280         show_web_view(NULL, c);
 281     else
 282         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 283                          G_CALLBACK(show_web_view), c);
 284
 285     if (uri != NULL) {
 286         f = ensure_uri_scheme(uri);
 287         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 288         g_free(f);
 289     }
 290
 291     set_uri(uri, c);
 292
 293     clients++;
 294     return WEBKIT_WEB_VIEW(c->web_view);
 295 }
 296
 297 WebKitWebView *
 298 client_new_request(WebKitWebView *web_view,
 299                    WebKitNavigationAction *navigation_action, gpointer data) {
 300     return client_new(NULL, web_view, FALSE, FALSE);
 301 }
 302
 303 void
 304 cooperation_setup(void) {
 305     GIOChannel *towatch;
 306     gchar *fifofilename, *fifopath;
 307
 308     gchar *priv = (cfg.private) ? "-private" : "";
 309     fifofilename =
 310         g_strdup_printf("%s%s%s-%s", __NAME__, priv, ".fifo", cfg.fifo_suffix);
 311     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 312     g_free(fifofilename);
 313
 314     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 315         mkfifo(fifopath, 0600);
 316
 317     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 318     if (!cooperative_pipe_fp) {
 319         fprintf(stderr, __NAME__ ": Can't open FIFO at all.\n");
 320     } else {
 321         if (write(cooperative_pipe_fp, "", 0) == -1) {
 322             /* Could not do an empty write to the FIFO which means there's
 323              * no one listening. */
 324             close(cooperative_pipe_fp);
 325             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 326             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 327         } else {
 328             cfg.cooperative_alone = FALSE;
 329         }
 330     }
 331
 332     g_free(fifopath);
 333 }
 334
 335 void
 336 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data) {
 337     struct Client *c = (struct Client *)data;
 338     gdouble p;
 339     gchar *grab_feeds =
 340         "a = document.querySelectorAll('"
 341         "    html > head > "
 342         "link[rel=\"alternate\"][href][type=\"application/atom+xml\"],"
 343         "    html > head > "
 344         "link[rel=\"alternate\"][href][type=\"application/rss+xml\"]"
 345         "');"
 346         "if (a.length == 0)"
 347         "    null;"
 348         "else {"
 349         "    out = '';"
 350         "    for (i = 0; i < a.length; i++) {"
 351         "        url = encodeURIComponent(a[i].href);"
 352         "        if ('title' in a[i] && a[i].title != '')"
 353         "            title = encodeURIComponent(a[i].title);"
 354         "        else"
 355         "            title = url;"
 356         "        out += '<li><a href=\"' + url + '\">' + title + "
 357         "'</a></li>';"
 358         "    }"
 359         "    out;"
 360         "}";
 361
 362     p = webkit_web_view_get_estimated_load_progress(
 363         WEBKIT_WEB_VIEW(c->web_view));
 364     if (p == 1) {
 365         p = 0;
 366
 367         /* The page has loaded fully. We now run the short JavaScript
 368          * snippet above that operates on the DOM. It tries to grab all
 369          * occurences of <link rel="alternate" ...>, i.e. RSS/Atom feed
 370          * references. */
 371         webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view), grab_feeds,
 372                                        NULL, grab_feeds_finished, c);
 373
 374         run_user_scripts(WEBKIT_WEB_VIEW(c->web_view));
 375     }
 376     gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 377 }
 378
 379 void
 380 changed_favicon(GObject *obj, GParamSpec *pspec, gpointer data) {
 381     struct Client *c = (struct Client *)data;
 382     cairo_surface_t *f;
 383     int w, h, w_should, h_should;
 384     GdkPixbuf *pb, *pb_scaled;
 385
 386     f = webkit_web_view_get_favicon(WEBKIT_WEB_VIEW(c->web_view));
 387     if (f == NULL) {
 388         gtk_image_set_from_icon_name(GTK_IMAGE(c->tabicon), "text-html",
 389                                      GTK_ICON_SIZE_SMALL_TOOLBAR);
 390     } else {
 391         w = cairo_image_surface_get_width(f);
 392         h = cairo_image_surface_get_height(f);
 393         pb = gdk_pixbuf_get_from_surface(f, 0, 0, w, h);
 394         if (pb != NULL) {
 395             w_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 396             h_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 397             pb_scaled = gdk_pixbuf_scale_simple(pb, w_should, h_should,
 398                                                 GDK_INTERP_BILINEAR);
 399             gtk_image_set_from_pixbuf(GTK_IMAGE(c->tabicon), pb_scaled);
 400
 401             g_object_unref(pb_scaled);
 402             g_object_unref(pb);
 403         }
 404     }
 405 }
 406
 407 void
 408 changed_title(GObject *obj, GParamSpec *pspec, gpointer data) {
 409     const gchar *t, *u;
 410     struct Client *c = (struct Client *)data;
 411
 412     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 413     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 414
 415     u = u == NULL ? __NAME__ : u;
 416     u = u[0] == 0 ? __NAME__ : u;
 417
 418     t = t == NULL ? u : t;
 419     t = t[0] == 0 ? u : t;
 420
 421     gchar *name = malloc(strlen(t) + 4);
 422     gboolean mute = webkit_web_view_get_is_muted(WEBKIT_WEB_VIEW(c->web_view));
 423     gchar *muted = (mute) ? "[m] " : "";
 424     sprintf(name, "%s%s", muted, t);
 425
 426     gtk_label_set_text(GTK_LABEL(c->tablabel), name);
 427     g_free(name);
 428     gtk_widget_set_tooltip_text(c->tablabel, t);
 429     mainwindow_title(gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)));
 430 }
 431
 432 void
 433 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data) {
 434     const gchar *t;
 435     struct Client *c = (struct Client *)data;
 436     FILE *fp;
 437
 438     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 439
 440     /* When a web process crashes, we get a "notify::uri" signal, but we
 441      * can no longer read a meaningful URI. It's just an empty string
 442      * now. Not updating the location bar in this scenario is important,
 443      * because we would override the "WEB PROCESS CRASHED" message. */
 444     if (t != NULL && strlen(t) > 0) {
 445         set_uri(t, c);
 446
 447         if (cfg.history_file != NULL && !cfg.private) {
 448             fp = fopen(cfg.history_file, "a");
 449             if (fp != NULL) {
 450                 fprintf(fp, "%s\n", t);
 451                 fclose(fp);
 452             } else {
 453                 perror(__NAME__ ": Error opening history file");
 454             }
 455         }
 456     }
 457 }
 458
 459 gboolean
 460 crashed_web_view(WebKitWebView *web_view, gpointer data) {
 461     gchar *t;
 462     struct Client *c = (struct Client *)data;
 463
 464     t = g_strdup_printf("WEB PROCESS CRASHED: %s",
 465                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
 466     gtk_entry_set_text(GTK_ENTRY(c->location), t);
 467     g_free(t);
 468
 469     return TRUE;
 470 }
 471
 472 gboolean
 473 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 474               WebKitPolicyDecisionType type, gpointer data) {
 475     WebKitResponsePolicyDecision *r;
 476
 477     switch (type) {
 478     case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 479         r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 480         if (!webkit_response_policy_decision_is_mime_type_supported(r))
 481             webkit_policy_decision_download(decision);
 482         else
 483             webkit_policy_decision_use(decision);
 484         break;
 485     default:
 486         // Use whatever default there is.
 487         return FALSE;
 488     }
 489     return TRUE;
 490 }
 491
 492 gchar *
 493 ensure_uri_scheme(const gchar *t) {
 494     gchar *f, *fabs;
 495
 496     f = g_ascii_strdown(t, -1);
 497     if (!g_str_has_prefix(f, "http:") && !g_str_has_prefix(f, "https:") &&
 498         !g_str_has_prefix(f, "file:") && !g_str_has_prefix(f, "about:") &&
 499         !g_str_has_prefix(f, "data:") && !g_str_has_prefix(f, "webkit:")) {
 500         g_free(f);
 501         fabs = realpath(t, NULL);
 502         if (fabs != NULL) {
 503             f = g_strdup_printf("file://%s", fabs);
 504             free(fabs);
 505         } else {
 506             f = g_strdup_printf("http://%s", t);
 507         }
 508         return f;
 509     } else
 510         return g_strdup(t);
 511 }
 512
 513 void
 514 get_config(void) {
 515     cfg.accepted_language[0] = NULL;
 516     cfg.accepted_language[1] = NULL;
 517     cfg.cooperative_alone = TRUE;
 518     cfg.cooperative_instances = TRUE;
 519     cfg.fifo_suffix = "main";
 520
 521     const char *e = g_getenv(__NAME_UPPERCASE__ "_FIFO_SUFFIX");
 522     if (e != NULL)
 523         cfg.fifo_suffix = g_strdup(e);
 524
 525     char *xdg_down = getenv("XDG_DOWNLOAD_DIR");
 526     cfg.download_dir = (xdg_down) ? xdg_down : "/var/tmp";
 527
 528     config = get_ini();
 529     cfg.accepted_language[0] =
 530         g_key_file_get_string(config, "browser", "accepted_language", NULL);
 531     cfg.history_file =
 532         g_key_file_get_string(config, "browser", "history_file", NULL);
 533     cfg.home_uri = g_key_file_get_string(config, "browser", "homepage", NULL);
 534     cfg.home_uri = (cfg.home_uri) ? cfg.home_uri : "about:blank";
 535     cfg.enable_console_to_stdout =
 536         g_key_file_get_boolean(config, "browser", "console_to_stdout", NULL);
 537     cfg.user_agent =
 538         g_key_file_get_string(config, "browser", "user_agent", NULL);
 539     cfg.javascript_disabled =
 540         g_key_file_get_boolean(config, "browser", "javascript_disabled", NULL);
 541     cfg.images_disabled =
 542         g_key_file_get_boolean(config, "browser", "images_disabled", NULL);
 543     char *input_cookie_policy =
 544         g_key_file_get_string(config, "browser", "cookie_policy", NULL);
 545     cfg.cookie_policy = WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 546     if (input_cookie_policy) {
 547         if (strcmp(input_cookie_policy, "all") == 0) {
 548             cfg.cookie_policy = WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 549         } else if (strcmp(input_cookie_policy, "none") == 0) {
 550             cfg.cookie_policy = WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 551         }
 552     }
 553
 554     cfg.default_uri = g_key_file_get_string(config, "ui", "default_uri", NULL);
 555     cfg.default_uri = (cfg.default_uri) ? cfg.default_uri : "https://";
 556     cfg.tab_width_chars =
 557         g_key_file_get_integer(config, "ui", "tab_width", NULL);
 558     cfg.tab_width_chars = (cfg.tab_width_chars) ? cfg.tab_width_chars : 20;
 559     cfg.global_zoom = g_key_file_get_double(config, "ui", "zoom_level", NULL);
 560     cfg.global_zoom = (cfg.global_zoom) ? cfg.global_zoom : 1.0;
 561     cfg.search_engine =
 562         g_key_file_get_string(config, "ui", "search_engine", NULL);
 563     cfg.search_engine =
 564         (cfg.search_engine) ? cfg.search_engine : "https://duckduckgo.com?q=";
 565     cfg.spellcheck_disabled =
 566         g_key_file_get_boolean(config, "ui", "spellcheck_disabled", NULL);
 567     cfg.spellcheck_language =
 568         g_key_file_get_string(config, "ui", "spellcheck_language", NULL);
 569     cfg.spellcheck_language =
 570         (cfg.spellcheck_language) ? cfg.spellcheck_language : "en_US";
 571     cfg.scroll_lines =
 572         g_key_file_get_integer(config, "ui", "scroll_lines", NULL);
 573     cfg.scroll_lines = (cfg.scroll_lines) ? cfg.scroll_lines : 3;
 574 }
 575
 576 void
 577 grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data) {
 578     struct Client *c = (struct Client *)data;
 579     WebKitJavascriptResult *js_result;
 580     JSCValue *value;
 581     JSCException *exception;
 582     GError *err = NULL;
 583     gchar *str_value;
 584
 585     g_free(c->feed_html);
 586     c->feed_html = NULL;
 587
 588     /* This was taken almost verbatim from the example in WebKit's
 589      * documentation:
 590      *
 591      * https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html
 592      */
 593
 594     js_result = webkit_web_view_run_javascript_finish(WEBKIT_WEB_VIEW(object),
 595                                                       result, &err);
 596     if (!js_result) {
 597         fprintf(stderr, __NAME__ ": Error running javascript: %s\n",
 598                 err->message);
 599         g_error_free(err);
 600         return;
 601     }
 602
 603     value = webkit_javascript_result_get_js_value(js_result);
 604     if (jsc_value_is_string(value)) {
 605         str_value = jsc_value_to_string(value);
 606         exception = jsc_context_get_exception(jsc_value_get_context(value));
 607         if (exception != NULL) {
 608             fprintf(stderr, __NAME__ ": Error running javascript: %s\n",
 609                     jsc_exception_get_message(exception));
 610         } else {
 611             c->feed_html = str_value;
 612         }
 613
 614         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 615                                           GTK_ENTRY_ICON_SECONDARY,
 616                                           "application-rss+xml-symbolic");
 617         gtk_entry_set_icon_activatable(GTK_ENTRY(c->location),
 618                                        GTK_ENTRY_ICON_PRIMARY, TRUE);
 619     } else {
 620         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 621                                           GTK_ENTRY_ICON_SECONDARY, NULL);
 622     }
 623
 624     webkit_javascript_result_unref(js_result);
 625 }
 626
 627 void
 628 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht,
 629                guint modifiers, gpointer data) {
 630     struct Client *c = (struct Client *)data;
 631     const char *to_show;
 632
 633     g_free(c->hover_uri);
 634
 635     if (webkit_hit_test_result_context_is_link(ht)) {
 636         to_show = webkit_hit_test_result_get_link_uri(ht);
 637         c->hover_uri = g_strdup(to_show);
 638     } else {
 639         to_show = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 640         c->hover_uri = NULL;
 641     }
 642
 643     if (!gtk_widget_is_focus(c->location))
 644         set_uri(to_show, c);
 645 }
 646
 647 void
 648 icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event,
 649               gpointer data) {
 650     struct Client *c = (struct Client *)data;
 651     gchar *d;
 652     gchar *data_template = "data:text/html,"
 653                            "<!DOCTYPE html>"
 654                            "<html>"
 655                            "    <head>"
 656                            "        <meta charset=\"UTF-8\">"
 657                            "        <title>Feeds</title>"
 658                            "    </head>"
 659                            "    <body>"
 660                            "        <p>Feeds found on this page:</p>"
 661                            "        <ul>"
 662                            "        %s"
 663                            "        </ul>"
 664                            "    </body>"
 665                            "</html>";
 666
 667     if (c->feed_html != NULL) {
 668         /* What we're actually trying to do is show a simple HTML page
 669          * that lists all the feeds on the current page. The function
 670          * webkit_web_view_load_html() looks like the proper way to do
 671          * that. Sad thing is, it doesn't create a history entry, but
 672          * instead simply replaces the content of the current page. This
 673          * is not what we want.
 674          *
 675          * RFC 2397 [0] defines the data URI scheme [1]. We abuse this
 676          * mechanism to show my custom HTML snippet *and* create a
 677          * history entry.
 678          *
 679          * [0]: https://tools.ietf.org/html/rfc2397
 680          * [1]: https://en.wikipedia.org/wiki/Data_URI_scheme */
 681         d = g_strdup_printf(data_template, c->feed_html);
 682         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d);
 683         g_free(d);
 684     }
 685 }
 686
 687 void
 688 init_default_web_context(void) {
 689     gchar *p;
 690     WebKitWebContext *wc;
 691     WebKitCookieManager *cm;
 692
 693     wc = (cfg.private) ? webkit_web_context_new_ephemeral()
 694                        : webkit_web_context_get_default();
 695
 696     p = g_build_filename(g_get_user_config_dir(), __NAME__, "adblock", NULL);
 697     webkit_web_context_set_sandbox_enabled(wc, TRUE);
 698     webkit_web_context_add_path_to_sandbox(wc, p, TRUE);
 699     g_free(p);
 700
 701     WebKitProcessModel model =
 702         WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES;
 703     webkit_web_context_set_process_model(wc, model);
 704
 705     p = g_build_filename(g_get_user_data_dir(), __NAME__, "web_extensions",
 706                          NULL);
 707     webkit_web_context_set_web_extensions_directory(wc, p);
 708     g_free(p);
 709
 710     if (cfg.accepted_language[0] != NULL)
 711         webkit_web_context_set_preferred_languages(wc, cfg.accepted_language);
 712
 713     g_signal_connect(G_OBJECT(wc), "download-started",
 714                      G_CALLBACK(download_start), &cfg);
 715
 716     trust_user_certs(wc);
 717
 718     cm = webkit_web_context_get_cookie_manager(wc);
 719     webkit_cookie_manager_set_accept_policy(cm, cfg.cookie_policy);
 720
 721     if (!cfg.private) {
 722         webkit_web_context_set_favicon_database_directory(wc, NULL);
 723
 724         gchar *fname = g_build_filename("/", g_get_user_data_dir(), __NAME__,
 725                                         "cookies.db", NULL);
 726         WebKitCookiePersistentStorage type =
 727             WEBKIT_COOKIE_PERSISTENT_STORAGE_SQLITE;
 728         webkit_cookie_manager_set_persistent_storage(cm, fname, type);
 729     }
 730
 731     const gchar *const languages[2] = {(const gchar *)cfg.spellcheck_language,
 732                                        NULL};
 733     webkit_web_context_set_spell_checking_languages(wc, languages);
 734     webkit_web_context_set_spell_checking_enabled(wc, !cfg.spellcheck_disabled);
 735 }
 736
 737 void
 738 search(gpointer data, gint direction) {
 739     struct Client *c = (struct Client *)data;
 740     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 741     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 742
 743     if (search_text == NULL)
 744         return;
 745
 746     switch (direction) {
 747     case 0:
 748         webkit_find_controller_search(fc, search_text,
 749                                       WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 750                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 751                                       G_MAXUINT);
 752         break;
 753     case 1:
 754         webkit_find_controller_search_next(fc);
 755         break;
 756     case -1:
 757         webkit_find_controller_search_previous(fc);
 758         break;
 759     case 2:
 760         webkit_find_controller_search_finish(fc);
 761         break;
 762     }
 763 }
 764
 765 void
 766 search_init(struct Client *c, int direction) {
 767     gtk_widget_grab_focus(c->location);
 768     const gchar *contents = gtk_entry_get_text(GTK_ENTRY(c->location));
 769     if (strcspn(contents, "s/")) {
 770         gtk_entry_set_text(GTK_ENTRY(c->location), "s/");
 771     }
 772     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 773     search(c, 0);
 774     search(c, -1);
 775     search(c, direction);
 776 }
 777
 778 int
 779 def_key(char *key, unsigned int def) {
 780     char *conf = g_key_file_get_string(config, "keybindings", key, NULL);
 781     return (conf) ? gdk_keyval_from_name((conf) ? conf : NULL) : def;
 782 }
 783
 784 gboolean
 785 key_common(GtkWidget *widget, GdkEvent *event, gpointer data) {
 786     struct Client *c = (struct Client *)data;
 787     gdouble now;
 788     gchar *f;
 789
 790     if (event->type == GDK_KEY_PRESS) {
 791         if (((GdkEventKey *)event)->state & GDK_CONTROL_MASK) {
 792             const char *uri =
 793                 webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 794             int key = ((GdkEventKey *)event)->keyval;
 795             if (def_key("download_manager", GDK_KEY_y) == key) {
 796                 downloadmanager_show();
 797                 return TRUE;
 798             } else if (def_key("history_back", GDK_KEY_h) == key) {
 799                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 800                 return TRUE;
 801             } else if (def_key("history_forwards", GDK_KEY_l) == key) {
 802                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 803                 return TRUE;
 804             } else if (def_key("location", GDK_KEY_t) == key) {
 805                 gtk_widget_grab_focus(c->location);
 806                 const char *goal = (strcmp(cfg.home_uri, uri) == 0 || !uri)
 807                                        ? cfg.default_uri
 808                                        : uri;
 809                 gtk_entry_set_text(GTK_ENTRY(c->location), goal);
 810                 gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 811                 return TRUE;
 812             } else if (def_key("print", GDK_KEY_Print) == key) {
 813                 WebKitPrintOperation *operation =
 814                     webkit_print_operation_new(WEBKIT_WEB_VIEW(c->web_view));
 815                 GtkWidget *toplevel = gtk_widget_get_toplevel(mw.win);
 816                 webkit_print_operation_run_dialog(operation,
 817                                                   GTK_WINDOW(toplevel));
 818                 return TRUE;
 819             } else if (def_key("quit", GDK_KEY_g) == key) {
 820                 search(c, 2);
 821                 gtk_widget_grab_focus(c->web_view);
 822                 gtk_entry_set_text(GTK_ENTRY(c->location), uri);
 823                 gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 824                 webkit_web_view_run_javascript(
 825                     WEBKIT_WEB_VIEW(c->web_view),
 826                     "window.getSelection().removeAllRanges();"
 827                     "document.activeElement.blur();",
 828                     NULL, NULL, c);
 829                 return TRUE;
 830             } else if (def_key("reload", GDK_KEY_e) == key) {
 831                 webkit_web_view_reload_bypass_cache(
 832                     WEBKIT_WEB_VIEW(c->web_view));
 833                 return TRUE;
 834             } else if (def_key("scroll_line_down", GDK_KEY_j) == key) {
 835                 for (int i = 0; i <= cfg.scroll_lines - 1; i++) {
 836                     event->key.keyval = GDK_KEY_Down;
 837                     gdk_event_put(event);
 838                 }
 839                 return TRUE;
 840             } else if (def_key("scroll_line_up", GDK_KEY_k) == key) {
 841                 for (int i = 0; i <= cfg.scroll_lines - 1; i++) {
 842                     event->key.keyval = GDK_KEY_Up;
 843                     gdk_event_put(event);
 844                 }
 845                 return TRUE;
 846             } else if (def_key("scroll_page_down", GDK_KEY_f) == key) {
 847                 event->key.keyval = GDK_KEY_Page_Down;
 848                 gdk_event_put(event);
 849                 return TRUE;
 850             } else if (def_key("scroll_page_up", GDK_KEY_b) == key) {
 851                 event->key.keyval = GDK_KEY_Page_Up;
 852                 gdk_event_put(event);
 853                 return TRUE;
 854             } else if (def_key("search_forwards", GDK_KEY_s) == key) {
 855                 search_init(c, 1);
 856                 return TRUE;
 857             } else if (def_key("search_backwards", GDK_KEY_r) == key) {
 858                 search_init(c, -1);
 859                 return TRUE;
 860             } else if (def_key("tab_close", GDK_KEY_q) == key) {
 861                 client_destroy(NULL, c);
 862                 return TRUE;
 863             } else if (def_key("tab_switch_1", GDK_KEY_1) == key) {
 864                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 0);
 865                 return TRUE;
 866             } else if (def_key("tab_switch_2", GDK_KEY_2) == key) {
 867                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 1);
 868                 return TRUE;
 869             } else if (def_key("tab_switch_3", GDK_KEY_3) == key) {
 870                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 2);
 871                 return TRUE;
 872             } else if (def_key("tab_switch_4", GDK_KEY_4) == key) {
 873                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 3);
 874                 return TRUE;
 875             } else if (def_key("tab_switch_5", GDK_KEY_5) == key) {
 876                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 4);
 877                 return TRUE;
 878             } else if (def_key("tab_switch_6", GDK_KEY_6) == key) {
 879                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 5);
 880                 return TRUE;
 881             } else if (def_key("tab_switch_7", GDK_KEY_7) == key) {
 882                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 6);
 883                 return TRUE;
 884             } else if (def_key("tab_switch_8", GDK_KEY_8) == key) {
 885                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 7);
 886                 return TRUE;
 887             } else if (def_key("tab_switch_9", GDK_KEY_9) == key) {
 888                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 8);
 889                 return TRUE;
 890             } else if (def_key("tab_previous", GDK_KEY_u) == key) {
 891                 gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
 892                 return TRUE;
 893             } else if (def_key("tab_mute", GDK_KEY_m) == key) {
 894                 gboolean muted =
 895                     webkit_web_view_get_is_muted(WEBKIT_WEB_VIEW(c->web_view));
 896                 webkit_web_view_set_is_muted(WEBKIT_WEB_VIEW(c->web_view),
 897                                              !muted);
 898                 changed_title(G_OBJECT(c->web_view), NULL, c);
 899                 return TRUE;
 900             } else if (def_key("tab_new", GDK_KEY_w) == key) {
 901                 f = ensure_uri_scheme(cfg.home_uri);
 902                 client_new(f, NULL, TRUE, TRUE);
 903                 g_free(f);
 904                 return TRUE;
 905             } else if (def_key("tab_next", GDK_KEY_i) == key) {
 906                 gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
 907                 return TRUE;
 908             } else if (def_key("toggle_js", GDK_KEY_o) == key) {
 909                 gboolean on =
 910                     webkit_settings_get_enable_javascript(c->settings);
 911                 webkit_settings_set_enable_javascript(c->settings, !on);
 912                 webkit_web_view_set_settings(WEBKIT_WEB_VIEW(c->web_view),
 913                                              c->settings);
 914                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(c->jsbutton),
 915                                              !on);
 916             } else if (def_key("toggle_img", -1) == key) {
 917                 gboolean on = webkit_settings_get_auto_load_images(c->settings);
 918                 webkit_settings_set_auto_load_images(c->settings, !on);
 919                 webkit_web_view_set_settings(WEBKIT_WEB_VIEW(c->web_view),
 920                                              c->settings);
 921                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(c->imgbutton),
 922                                              !on);
 923             } else if (def_key("web_search", GDK_KEY_d) == key) {
 924                 gtk_widget_grab_focus(c->location);
 925                 gtk_entry_set_text(GTK_ENTRY(c->location), "w/");
 926                 gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 927                 return TRUE;
 928             } else if (def_key("zoom_in", GDK_KEY_equal) == key) {
 929                 now = webkit_web_view_get_zoom_level(
 930                     WEBKIT_WEB_VIEW(c->web_view));
 931                 webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view),
 932                                                now + 0.1);
 933                 return TRUE;
 934             } else if (def_key("zoom_out", GDK_KEY_minus) == key) {
 935                 now = webkit_web_view_get_zoom_level(
 936                     WEBKIT_WEB_VIEW(c->web_view));
 937                 webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view),
 938                                                now - 0.1);
 939                 return TRUE;
 940             } else if (def_key("zoom_reset", GDK_KEY_0) == key) {
 941                 webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view),
 942                                                cfg.global_zoom);
 943                 return TRUE;
 944             }
 945         }
 946     }
 947     return FALSE;
 948 }
 949
 950 gboolean
 951 key_location(GtkWidget *widget, GdkEvent *event, gpointer data) {
 952     struct Client *c = (struct Client *)data;
 953     const gchar *t;
 954     gchar *f;
 955
 956     if (key_common(widget, event, data))
 957         return TRUE;
 958
 959     if (event->type == GDK_KEY_PRESS) {
 960         int key = ((GdkEventKey *)event)->keyval;
 961         if ((GDK_KEY_KP_Enter == key) || (GDK_KEY_Return == key)) {
 962             gtk_widget_grab_focus(c->web_view);
 963             t = gtk_entry_get_text(GTK_ENTRY(c->location));
 964             if (t != NULL && t[0] == 's' && t[1] == '/') {
 965                 if (search_text != NULL)
 966                     g_free(search_text);
 967                 search_text = g_strdup(t + 2);
 968                 search(c, 0);
 969             } else if (t != NULL && t[0] == 'w' && t[1] == '/') {
 970                 int len = strlen(cfg.search_engine) + strlen(t) - 2;
 971                 gchar *f = malloc(len + 1);
 972                 snprintf(f, len + 1, "%s%s", cfg.search_engine, t + 2);
 973                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 974                 g_free(f);
 975             } else {
 976                 f = ensure_uri_scheme(t);
 977                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 978                 g_free(f);
 979             }
 980             return TRUE;
 981         } else if (GDK_KEY_Escape == key) {
 982             t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 983             gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL) ? "" : t);
 984             return TRUE;
 985         }
 986     }
 987     return FALSE;
 988 }
 989
 990 gboolean
 991 key_tablabel(GtkWidget *widget, GdkEvent *event, gpointer data) {
 992     GdkScrollDirection direction;
 993
 994     if (event->type == GDK_BUTTON_RELEASE) {
 995         switch (((GdkEventButton *)event)->button) {
 996         case 2:
 997             client_destroy(NULL, data);
 998             return TRUE;
 999         }
1000     } else if (event->type == GDK_SCROLL) {
1001         gdk_event_get_scroll_direction(event, &direction);
1002         switch (direction) {
1003         case GDK_SCROLL_UP:
1004             gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
1005             break;
1006         case GDK_SCROLL_DOWN:
1007             gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
1008             break;
1009         default:
1010             break;
1011         }
1012         return TRUE;
1013     }
1014     return FALSE;
1015 }
1016
1017 gboolean
1018 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data) {
1019     struct Client *c = (struct Client *)data;
1020     gdouble dx, dy;
1021     gfloat z;
1022
1023     if (key_common(widget, event, data))
1024         return TRUE;
1025
1026     if (event->type == GDK_KEY_PRESS) {
1027         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape) {
1028             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
1029             gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
1030         }
1031     } else if (event->type == GDK_BUTTON_RELEASE) {
1032         switch (((GdkEventButton *)event)->button) {
1033         case 2:
1034             if (c->hover_uri != NULL) {
1035                 client_new(c->hover_uri, NULL, TRUE, FALSE);
1036                 return TRUE;
1037             }
1038             break;
1039         case 8:
1040             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
1041             return TRUE;
1042         case 9:
1043             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
1044             return TRUE;
1045         }
1046     } else if (event->type == GDK_SCROLL) {
1047         event->scroll.delta_y *= cfg.scroll_lines;
1048         if (((GdkEventScroll *)event)->state & GDK_CONTROL_MASK) {
1049             gdk_event_get_scroll_deltas(event, &dx, &dy);
1050             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
1051             z += -dy * 0.1;
1052             z = dx != 0 ? cfg.global_zoom : z;
1053             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
1054             return TRUE;
1055         }
1056     }
1057
1058     return FALSE;
1059 }
1060
1061 void
1062 mainwindow_setup(void) {
1063     mw.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1064     gtk_window_set_default_size(GTK_WINDOW(mw.win), 800, 600);
1065     g_signal_connect(G_OBJECT(mw.win), "destroy", gtk_main_quit, NULL);
1066
1067     gchar *priv = (cfg.private) ? "-private" : "";
1068     gchar *title = malloc(strlen(priv) + strlen(__NAME__) + 1);
1069     sprintf(title, "%s%s", __NAME__, priv);
1070     gtk_window_set_title(GTK_WINDOW(mw.win), title);
1071
1072     mw.notebook = gtk_notebook_new();
1073     gtk_notebook_set_scrollable(GTK_NOTEBOOK(mw.notebook), TRUE);
1074     gtk_container_add(GTK_CONTAINER(mw.win), mw.notebook);
1075     g_signal_connect(G_OBJECT(mw.notebook), "switch-page",
1076                      G_CALLBACK(notebook_switch_page), NULL);
1077 }
1078
1079 void
1080 mainwindow_title(gint idx) {
1081     GtkWidget *child, *widg, *tablabel;
1082     const gchar *text;
1083
1084     child = gtk_notebook_get_nth_page(GTK_NOTEBOOK(mw.notebook), idx);
1085     if (child == NULL)
1086         return;
1087
1088     widg = gtk_notebook_get_tab_label(GTK_NOTEBOOK(mw.notebook), child);
1089     tablabel =
1090         (GtkWidget *)g_object_get_data(G_OBJECT(widg), "chorizo-tab-label");
1091     text = gtk_label_get_text(GTK_LABEL(tablabel));
1092     gtk_window_set_title(GTK_WINDOW(mw.win), text);
1093 }
1094
1095 void
1096 notebook_switch_page(GtkNotebook *nb, GtkWidget *p, guint idx, gpointer data) {
1097     mainwindow_title(idx);
1098 }
1099
1100 gboolean
1101 quit_if_nothing_active(void) {
1102     if (clients == 0) {
1103         if (downloads == 0) {
1104             gtk_main_quit();
1105             return TRUE;
1106         } else {
1107             downloadmanager_show();
1108         }
1109     }
1110
1111     return FALSE;
1112 }
1113
1114 gboolean
1115 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data) {
1116     gchar *uri = NULL;
1117
1118     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
1119     if (uri) {
1120         g_strstrip(uri);
1121         client_new(uri, NULL, TRUE, TRUE);
1122         g_free(uri);
1123     }
1124     return TRUE;
1125 }
1126
1127 void
1128 run_user_scripts(WebKitWebView *web_view) {
1129     gchar *base = NULL, *path = NULL, *contents = NULL;
1130     const gchar *entry = NULL;
1131     GDir *scriptdir = NULL;
1132
1133     base =
1134         g_build_filename(g_get_user_data_dir(), __NAME__, "user-scripts", NULL);
1135     scriptdir = g_dir_open(base, 0, NULL);
1136     if (scriptdir != NULL) {
1137         while ((entry = g_dir_read_name(scriptdir)) != NULL) {
1138             path = g_build_filename(base, entry, NULL);
1139             char *jscmd = malloc(strlen(path) + 36);
1140             sprintf(jscmd, "console.log(\"Running userscript %s\");", path);
1141             if (g_str_has_suffix(path, ".js")) {
1142                 if (g_file_get_contents(path, &contents, NULL, NULL)) {
1143                     webkit_web_view_run_javascript(web_view, jscmd, NULL, NULL,
1144                                                    NULL);
1145                     webkit_web_view_run_javascript(web_view, contents, NULL,
1146                                                    NULL, NULL);
1147                     g_free(contents);
1148                     g_free(jscmd);
1149                 }
1150             }
1151             g_free(path);
1152         }
1153         g_dir_close(scriptdir);
1154     }
1155
1156     g_free(base);
1157 }
1158
1159 void
1160 show_web_view(WebKitWebView *web_view, gpointer data) {
1161     struct Client *c = (struct Client *)data;
1162     gint idx;
1163
1164     (void)web_view;
1165
1166     gtk_widget_show_all(mw.win);
1167
1168     if (c->focus_new_tab) {
1169         idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
1170         if (idx != -1)
1171             gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), idx);
1172
1173         gtk_widget_grab_focus(c->web_view);
1174     }
1175 }
1176
1177 void
1178 trust_user_certs(WebKitWebContext *wc) {
1179     GTlsCertificate *cert;
1180     const gchar *basedir, *file, *absfile;
1181     GDir *dir;
1182
1183     basedir = g_build_filename(g_get_user_data_dir(), __NAME__, "certs", NULL);
1184     dir = g_dir_open(basedir, 0, NULL);
1185     if (dir != NULL) {
1186         file = g_dir_read_name(dir);
1187         while (file != NULL) {
1188             absfile = g_build_filename(g_get_user_data_dir(), __NAME__, "certs",
1189                                        file, NULL);
1190             cert = g_tls_certificate_new_from_file(absfile, NULL);
1191             if (cert == NULL)
1192                 fprintf(stderr, __NAME__ ": Could not load trusted cert '%s'\n",
1193                         file);
1194             else
1195                 webkit_web_context_allow_tls_certificate_for_host(wc, cert,
1196                                                                   file);
1197             file = g_dir_read_name(dir);
1198         }
1199         g_dir_close(dir);
1200     }
1201 }
1202
1203 GKeyFile *
1204 get_ini(void) {
1205     GKeyFileFlags flags = G_KEY_FILE_NONE;
1206     config = g_key_file_new();
1207
1208     // Load user config
1209     if (!g_key_file_load_from_file(config,
1210                                    g_build_filename(g_get_user_config_dir(),
1211                                                     __NAME__, "chorizo.ini",
1212                                                     NULL),
1213                                    flags, NULL)) {
1214         // Load global config
1215         if (!g_key_file_load_from_file(config, "/etc/chorizo.ini", flags,
1216                                        NULL)) {
1217             fprintf(stderr, "Could not load chorizo.ini");
1218         }
1219     }
1220     return config;
1221 }
1222
1223 int
1224 main(int argc, char **argv) {
1225     int opt, i;
1226
1227     while ((opt = getopt(argc, argv, "Cpv")) != -1) {
1228         switch (opt) {
1229         case 'C':
1230             cfg.cooperative_instances = FALSE;
1231             break;
1232         case 'p':
1233             cfg.private = true;
1234             break;
1235         case 'v':
1236             printf("%s %s\n", __NAME__, VERSION);
1237             exit(0);
1238         default:
1239             fprintf(stderr, "Usage: " __NAME__ " [OPTION]... [URI]...\n");
1240             exit(EXIT_FAILURE);
1241         }
1242     }
1243
1244     gtk_init(&argc, &argv);
1245     get_config();
1246
1247     if (cfg.cooperative_instances)
1248         cooperation_setup();
1249
1250     if (!cfg.cooperative_instances || cfg.cooperative_alone)
1251         init_default_web_context();
1252
1253     downloadmanager_setup();
1254     mainwindow_setup();
1255
1256     if (optind >= argc) {
1257         client_new(cfg.home_uri, NULL, TRUE, TRUE);
1258     } else {
1259         for (i = optind; i < argc; i++)
1260             client_new(argv[i], NULL, TRUE, TRUE);
1261     }
1262
1263     if (!cfg.cooperative_instances || cfg.cooperative_alone)
1264         gtk_main();
1265
1266     exit(EXIT_SUCCESS);
1267 }