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