src/browser.c

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