browser.c

   1 #include <errno.h>
   2 #include <fcntl.h>
   3 #include <libgen.h>
   4 #include <sys/stat.h>
   5 #include <unistd.h>
   6 #include <webkit2/webkit2.h>
   7
   8 #include "config.h"
   9 #include "downloads.h"
  10
  11 WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  12                                   gpointer);
  13 gboolean crashed_web_view(WebKitWebView *, gpointer);
  14 gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  15                        WebKitPolicyDecisionType, gpointer);
  16 gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  17 gboolean key_tablabel(GtkWidget *, GdkEvent *, gpointer);
  18 gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  19 gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  20 gchar *ensure_uri_scheme(const gchar *);
  21 void changed_favicon(GObject *, GParamSpec *, gpointer);
  22 void changed_load_progress(GObject *, GParamSpec *, gpointer);
  23 void changed_title(GObject *, GParamSpec *, gpointer);
  24 void changed_uri(GObject *, GParamSpec *, gpointer);
  25 void grab_feeds_finished(GObject *, GAsyncResult *, gpointer);
  26 void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  27 void icon_location(GtkEntry *, GtkEntryIconPosition, GdkEvent *, gpointer);
  28 void mainwindow_title(gint);
  29 void notebook_switch_page(GtkNotebook *, GtkWidget *, guint, gpointer);
  30 void show_web_view(WebKitWebView *, gpointer);
  31 void trust_user_certs(WebKitWebContext *);
  32
  33 struct Client {
  34         GtkWidget *jsbutton;
  35         GtkWidget *location;
  36         GtkWidget *tabicon;
  37         GtkWidget *tablabel;
  38         GtkWidget *vbox;
  39         GtkWidget *web_view;
  40         WebKitSettings *settings;
  41         gboolean focus_new_tab;
  42         gchar *external_handler_uri;
  43         gchar *feed_html;
  44         gchar *hover_uri;
  45 };
  46
  47 struct MainWindow {
  48         GtkWidget *notebook;
  49         GtkWidget *win;
  50 } mw;
  51
  52 struct Configuration {
  53         gboolean cooperative_alone;
  54         gboolean noncooperative_instances;
  55         gboolean private;
  56         gboolean verbose;
  57 } cfg;
  58
  59 gint clients = 0;
  60 struct Client **client_arr;
  61
  62 int cooperative_pipe_fp = 0;
  63 gchar *search_text;
  64 gchar *fifopath;
  65 char **closed_tabs;
  66
  67 void
  68 togglejs(GtkButton *jsbutton, gpointer data)
  69 {
  70         struct Client *c = (struct Client *)data;
  71         webkit_settings_set_enable_javascript(
  72                 c->settings,
  73                 !webkit_settings_get_enable_javascript(c->settings));
  74         webkit_web_view_set_settings(WEBKIT_WEB_VIEW(c->web_view), c->settings);
  75 }
  76
  77 void
  78 client_destroy(GtkWidget *widget, gpointer data)
  79 {
  80         struct Client *c = (struct Client *)data;
  81         gint idx;
  82         g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
  83                                              changed_load_progress, c);
  84
  85         idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
  86         if (idx == -1)
  87                 fprintf(stderr, "chorizo: Tab index was -1, bamboozled\n");
  88         else
  89                 gtk_notebook_remove_page(GTK_NOTEBOOK(mw.notebook), idx);
  90
  91         if (!cfg.private && WEBKIT_IS_WEB_VIEW(c->web_view)) {
  92                 int len = sizeof(closed_tabs) / sizeof(char *);
  93                 const char *uri =
  94                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
  95                 closed_tabs = (char **)realloc(closed_tabs,
  96                                                len * sizeof(closed_tabs[0]));
  97                 closed_tabs[len] = strdup(uri);
  98         }
  99
 100         free(c);
 101         clients--;
 102
 103         quit_if_nothing_active();
 104 }
 105
 106 void
 107 set_uri(const char *uri, struct Client *c)
 108 {
 109         if (!gtk_widget_is_focus(c->location))
 110                 gtk_entry_set_text(GTK_ENTRY(c->location),
 111                                    (uri != NULL) ? uri : "");
 112 }
 113
 114 WebKitWebView *
 115 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show,
 116            gboolean focus_tab)
 117 {
 118         struct Client *c;
 119         gchar *f;
 120         GtkWidget *evbox, *tabbox;
 121         if (uri != NULL && !cfg.noncooperative_instances &&
 122             !cfg.cooperative_alone) {
 123                 f = ensure_uri_scheme(uri);
 124                 write(cooperative_pipe_fp, f, strlen(f));
 125                 write(cooperative_pipe_fp, "\n", 1);
 126                 g_free(f);
 127                 return NULL;
 128         }
 129         c = calloc(1, sizeof(struct Client));
 130         if (!c) {
 131                 fprintf(stderr, "chorizo: fatal: calloc failed\n");
 132                 exit(EXIT_FAILURE);
 133         }
 134         c->focus_new_tab = focus_tab;
 135
 136         if (related_wv == NULL) {
 137                 WebKitUserContentManager *ucm =
 138                         webkit_user_content_manager_new();
 139                 WebKitUserScript *wkscript;
 140                 WebKitUserStyleSheet *wkstyle;
 141                 gchar *path = NULL, *source, *base;
 142                 const gchar *entry = NULL;
 143                 GDir *dir = NULL;
 144                 base = g_build_filename(g_get_user_data_dir(), "chorizo",
 145                                         "user-scripts", NULL);
 146                 dir = g_dir_open(base, 0, NULL);
 147                 if (dir != NULL) {
 148                         while ((entry = g_dir_read_name(dir)) != NULL) {
 149                                 path = g_build_filename(base, entry, NULL);
 150                                 if (g_str_has_suffix(path, ".js")) {
 151                                         g_file_get_contents(path, &source, NULL,
 152                                                             NULL);
 153                                         wkscript = webkit_user_script_new(
 154                                                 source,
 155                                                 WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 156                                                 WEBKIT_USER_SCRIPT_INJECT_AT_DOCUMENT_START,
 157                                                 NULL, NULL);
 158                                         webkit_user_content_manager_add_script(
 159                                                 ucm, wkscript);
 160                                         webkit_user_script_unref(wkscript);
 161                                 }
 162                                 g_free(path);
 163                                 if (source)
 164                                         g_free(source);
 165                         }
 166                         g_dir_close(dir);
 167                 }
 168                 base = g_build_filename(g_get_user_data_dir(), "chorizo",
 169                                         "user-styles", NULL);
 170                 dir = g_dir_open(base, 0, NULL);
 171                 if (dir != NULL) {
 172                         while ((entry = g_dir_read_name(dir)) != NULL) {
 173                                 path = g_build_filename(base, entry, NULL);
 174                                 if (g_str_has_suffix(path, ".css")) {
 175                                         g_file_get_contents(path, &source, NULL,
 176                                                             NULL);
 177                                         wkstyle = webkit_user_style_sheet_new(
 178                                                 source,
 179                                                 WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 180                                                 WEBKIT_USER_STYLE_LEVEL_USER,
 181                                                 NULL, NULL);
 182                                         webkit_user_content_manager_add_style_sheet(
 183                                                 ucm, wkstyle);
 184                                         webkit_user_style_sheet_unref(wkstyle);
 185                                 }
 186                                 g_free(path);
 187                                 g_free(source);
 188                         }
 189                         g_dir_close(dir);
 190                 }
 191                 g_free(base);
 192
 193                 c->web_view =
 194                         webkit_web_view_new_with_user_content_manager(ucm);
 195         } else {
 196                 c->web_view = webkit_web_view_new_with_related_view(related_wv);
 197         }
 198
 199         c->settings =
 200                 webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view));
 201         webkit_settings_set_enable_javascript(c->settings, cfg_js_default);
 202         if (cfg.verbose) {
 203                 webkit_settings_set_enable_write_console_messages_to_stdout(
 204                         c->settings, true);
 205         }
 206         webkit_settings_set_enable_developer_extras(c->settings, TRUE);
 207
 208         g_signal_connect(G_OBJECT(c->web_view), "notify::favicon",
 209                          G_CALLBACK(changed_favicon), c);
 210         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 211                          G_CALLBACK(changed_title), c);
 212         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 213                          G_CALLBACK(changed_uri), c);
 214         g_signal_connect(G_OBJECT(c->web_view),
 215                          "notify::estimated-load-progress",
 216                          G_CALLBACK(changed_load_progress), c);
 217         g_signal_connect(G_OBJECT(c->web_view), "create",
 218                          G_CALLBACK(client_new_request), NULL);
 219         g_signal_connect(G_OBJECT(c->web_view), "close",
 220                          G_CALLBACK(client_destroy), c);
 221         g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 222                          G_CALLBACK(decide_policy), NULL);
 223         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 224                          G_CALLBACK(key_web_view), c);
 225         g_signal_connect(G_OBJECT(c->web_view), "button-release-event",
 226                          G_CALLBACK(key_web_view), c);
 227         g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 228                          G_CALLBACK(key_web_view), c);
 229         g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 230                          G_CALLBACK(hover_web_view), c);
 231         g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 232                          G_CALLBACK(crashed_web_view), c);
 233
 234         GtkWidget *locbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 235         c->jsbutton = gtk_toggle_button_new_with_label("JS");
 236         gtk_widget_set_tooltip_text(c->jsbutton, "Toggle JavaScript execution");
 237         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(c->jsbutton),
 238                                      cfg_js_default);
 239         g_signal_connect(G_OBJECT(c->jsbutton), "toggled", G_CALLBACK(togglejs),
 240                          c);
 241
 242         c->location = gtk_entry_new();
 243         gtk_box_pack_start(GTK_BOX(locbox), c->location, TRUE, TRUE, 0);
 244
 245         if (cfg.private) {
 246                 GtkWidget *privindicator = gtk_label_new("Private mode");
 247                 gtk_widget_set_tooltip_text(
 248                         privindicator,
 249                         "You are in private mode. No history, caches, or "
 250                         "cookies will be saved beyond this session.");
 251                 gtk_box_pack_end(GTK_BOX(locbox), privindicator, FALSE, FALSE,
 252                                  5);
 253         }
 254         gtk_box_pack_start(GTK_BOX(locbox), c->jsbutton, FALSE, FALSE, 5);
 255
 256         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 257                          G_CALLBACK(key_location), c);
 258         g_signal_connect(G_OBJECT(c->location), "icon-release",
 259                          G_CALLBACK(icon_location), c);
 260         /*
 261         * XXX This is a workaround. Setting this to NULL (which is done in
 262         * grab_feeds_finished() if no feed has been detected) adds a little
 263         * padding left of the text. Not sure why. The point of this call
 264         * right here is to have that padding right from the start. This
 265         * avoids a graphical artifact.
 266         */
 267
 268         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 269                                           GTK_ENTRY_ICON_SECONDARY, NULL);
 270
 271         c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 272         gtk_box_pack_start(GTK_BOX(c->vbox), locbox, FALSE, FALSE, 0);
 273         gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 274         gtk_container_set_focus_child(GTK_CONTAINER(c->vbox), c->web_view);
 275
 276         c->tabicon = gtk_image_new_from_icon_name("text-html",
 277                                                   GTK_ICON_SIZE_SMALL_TOOLBAR);
 278
 279         c->tablabel = gtk_label_new("chorizo");
 280         gtk_label_set_ellipsize(GTK_LABEL(c->tablabel), PANGO_ELLIPSIZE_END);
 281         gtk_label_set_width_chars(GTK_LABEL(c->tablabel), 20);
 282         gtk_widget_set_has_tooltip(c->tablabel, TRUE);
 283
 284         /*
 285         * XXX I don't own a HiDPI screen, so I don't know if scale_factor
 286         * does the right thing.
 287         */
 288         tabbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,
 289                              5 * gtk_widget_get_scale_factor(mw.win));
 290         gtk_box_pack_start(GTK_BOX(tabbox), c->tabicon, FALSE, FALSE, 0);
 291         gtk_box_pack_start(GTK_BOX(tabbox), c->tablabel, TRUE, TRUE, 0);
 292
 293         evbox = gtk_event_box_new();
 294         gtk_container_add(GTK_CONTAINER(evbox), tabbox);
 295         g_signal_connect(G_OBJECT(evbox), "button-release-event",
 296                          G_CALLBACK(key_tablabel), c);
 297
 298         gtk_widget_add_events(evbox, GDK_SCROLL_MASK);
 299         g_signal_connect(G_OBJECT(evbox), "scroll-event",
 300                          G_CALLBACK(key_tablabel), c);
 301
 302         //For easy access, store a reference to our label.
 303         g_object_set_data(G_OBJECT(evbox), "chorizo-tab-label", c->tablabel);
 304
 305         /*
 306         * This only shows the event box and the label inside, nothing else.
 307         * Needed because the evbox/label is "internal" to the notebook and
 308         * not part of the normal "widget tree" (IIUC).
 309         */
 310         gtk_widget_show_all(evbox);
 311
 312         int page = gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)) + 1;
 313         gtk_notebook_insert_page(GTK_NOTEBOOK(mw.notebook), c->vbox, evbox,
 314                                  page);
 315         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(mw.notebook), c->vbox,
 316                                          TRUE);
 317
 318         if (show)
 319                 show_web_view(NULL, c);
 320         else
 321                 g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 322                                  G_CALLBACK(show_web_view), c);
 323
 324         if (uri != NULL) {
 325                 f = ensure_uri_scheme(uri);
 326                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 327                 g_free(f);
 328         }
 329         set_uri(uri, c);
 330
 331         clients++;
 332         client_arr = realloc(client_arr, (clients + 1) * sizeof(client_arr[0]));
 333         client_arr[clients] = c;
 334
 335         if (clients == 1 || uri == NULL)
 336                 gtk_widget_grab_focus(c->location);
 337
 338         return WEBKIT_WEB_VIEW(c->web_view);
 339 }
 340
 341 WebKitWebView *
 342 client_new_request(WebKitWebView *web_view,
 343                    WebKitNavigationAction *navigation_action, gpointer data)
 344 {
 345         return client_new(NULL, web_view, FALSE, FALSE);
 346 }
 347
 348 void
 349 mkdirp(const char *dir, mode_t mode)
 350 {
 351         char tmp[256];
 352         char *p = NULL;
 353         size_t len;
 354         snprintf(tmp, sizeof(tmp), "%s", dir);
 355         len = strlen(tmp);
 356         if (tmp[len - 1] == '/')
 357                 tmp[len - 1] = 0;
 358         for (p = tmp + 1; *p; p++)
 359                 if (*p == '/') {
 360                         *p = 0;
 361                         mkdir(tmp, mode);
 362                         *p = '/';
 363                 }
 364         mkdir(tmp, S_IRWXU);
 365 }
 366
 367 void
 368 cooperation_setup(void)
 369 {
 370         GIOChannel *towatch;
 371         gchar *fifofilename;
 372
 373         gchar *priv = (cfg.private) ? "-private" : "";
 374         const gchar *fifo_suffix_env = g_getenv("CHORIZO_FIFO_SUFFIX");
 375         const gchar *fifo_suffix = (fifo_suffix_env) ? fifo_suffix_env : "";
 376         fifofilename = g_strdup_printf("%s%s%s%s", "chorizo", priv, ".fifo",
 377                                        fifo_suffix);
 378         fifopath = g_build_filename(g_get_user_runtime_dir(), "chorizo",
 379                                     fifofilename, NULL);
 380         mkdirp(dirname(fifopath), 0600);
 381         g_free(fifofilename);
 382
 383         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 384                 mkfifo(fifopath, 0600);
 385
 386         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 387         if (!cooperative_pipe_fp) {
 388                 fprintf(stderr, "chorizo: Can't open FIFO at all.\n");
 389         } else {
 390                 if (write(cooperative_pipe_fp, "", 0) == -1) {
 391                         /*
 392                         * Could not do an empty write to the FIFO which
 393                         * means there's no one listening.
 394                         */
 395                         close(cooperative_pipe_fp);
 396                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 397                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg,
 398                                        NULL);
 399                 } else {
 400                         cfg.cooperative_alone = FALSE;
 401                 }
 402         }
 403 }
 404
 405 void
 406 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 407 {
 408         struct Client *c = (struct Client *)data;
 409         gdouble p;
 410         gchar *grab_feeds =
 411                 "a = document.querySelectorAll('"
 412                 "    html > head > "
 413                 "link[rel=\"alternate\"][href][type=\"application/atom+xml\"],"
 414                 "    html > head > "
 415                 "link[rel=\"alternate\"][href][type=\"application/rss+xml\"]"
 416                 "');"
 417                 "if (a.length == 0)"
 418                 "    null;"
 419                 "else {"
 420                 "    out = '';"
 421                 "    for (i = 0; i < a.length; i++) {"
 422                 "        url = encodeURIComponent(a[i].href);"
 423                 "        if ('title' in a[i] && a[i].title != '')"
 424                 "            title = encodeURIComponent(a[i].title);"
 425                 "        else"
 426                 "            title = url;"
 427                 "        out += '<li><a href=\"' + url + '\">' + title + "
 428                 "'</a></li>';"
 429                 "    }"
 430                 "    out;"
 431                 "}";
 432         p = webkit_web_view_get_estimated_load_progress(
 433                 WEBKIT_WEB_VIEW(c->web_view));
 434         if (p == 1) {
 435                 p = 0;
 436
 437                 /*
 438                 * The page has loaded fully. We now run the short JavaScript
 439                 * snippet above that operates on the DOM. It tries to grab
 440                 * all occurences of <link rel="alternate" ...>, i.e.
 441                 * RSS/Atom feed references.
 442                 */
 443                 webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view),
 444                                                grab_feeds, NULL,
 445                                                grab_feeds_finished, c);
 446         }
 447         gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 448 }
 449
 450 void
 451 changed_favicon(GObject *obj, GParamSpec *pspec, gpointer data)
 452 {
 453         struct Client *c = (struct Client *)data;
 454         cairo_surface_t *f;
 455         int w, h, w_should, h_should;
 456         GdkPixbuf *pb, *pb_scaled;
 457         f = webkit_web_view_get_favicon(WEBKIT_WEB_VIEW(c->web_view));
 458         if (f == NULL) {
 459                 gtk_image_set_from_icon_name(GTK_IMAGE(c->tabicon), "text-html",
 460                                              GTK_ICON_SIZE_SMALL_TOOLBAR);
 461         } else {
 462                 w = cairo_image_surface_get_width(f);
 463                 h = cairo_image_surface_get_height(f);
 464                 pb = gdk_pixbuf_get_from_surface(f, 0, 0, w, h);
 465                 if (pb != NULL) {
 466                         w_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 467                         h_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 468                         pb_scaled = gdk_pixbuf_scale_simple(
 469                                 pb, w_should, h_should, GDK_INTERP_BILINEAR);
 470                         gtk_image_set_from_pixbuf(GTK_IMAGE(c->tabicon),
 471                                                   pb_scaled);
 472
 473                         g_object_unref(pb_scaled);
 474                         g_object_unref(pb);
 475                 }
 476         }
 477 }
 478
 479 void
 480 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 481 {
 482         const gchar *t, *u;
 483         struct Client *c = (struct Client *)data;
 484         u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 485         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 486
 487         u = u == NULL ? "chorizo" : u;
 488         u = u[0] == 0 ? "chorizo" : u;
 489
 490         t = t == NULL ? u : t;
 491         t = t[0] == 0 ? u : t;
 492
 493         gchar *name = malloc(strlen(t) + 4);
 494         gboolean mute =
 495                 webkit_web_view_get_is_muted(WEBKIT_WEB_VIEW(c->web_view));
 496         gchar *muted = (mute) ? "[m] " : "";
 497         sprintf(name, "%s%s", muted, t);
 498         gtk_label_set_text(GTK_LABEL(c->tablabel), name);
 499         g_free(name);
 500
 501         gtk_widget_set_tooltip_text(c->tablabel, t);
 502         mainwindow_title(
 503                 gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)));
 504 }
 505
 506 void
 507 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 508 {
 509         const gchar *t;
 510         struct Client *c = (struct Client *)data;
 511         FILE *fp;
 512         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 513
 514         /*
 515         * When a web process crashes, we get a "notify::uri" signal, but we
 516         * can no longer read a meaningful URI. It's just an empty string
 517         * now. Not updating the location bar in this scenario is important,
 518         * because we would override the "WEB PROCESS CRASHED" message.
 519         */
 520         if (t != NULL && strlen(t) > 0) {
 521                 set_uri(t, c);
 522
 523                 //No g_get_user_state_dir unfortunately
 524                 gchar *state_env = getenv("XDG_STATE_DIR");
 525                 gchar *state_dir = (state_env) ?
 526                                            state_env :
 527                                            g_build_filename(g_get_home_dir(),
 528                                                             ".local", "state",
 529                                                             "chorizo", NULL);
 530
 531                 gchar *history_file =
 532                         g_build_filename(state_dir, "history", NULL);
 533                 if (!cfg.private) {
 534                         mkdirp(state_dir, 0700);
 535                         fp = fopen(history_file, "a");
 536                         if (fp != NULL) {
 537                                 fprintf(fp, "%s\n", t);
 538                                 fclose(fp);
 539                         } else {
 540                                 perror("chorizo: Error opening history file");
 541                         }
 542                 }
 543                 g_free(history_file);
 544                 g_free(state_dir);
 545         }
 546 }
 547 gboolean
 548 crashed_web_view(WebKitWebView *web_view, gpointer data)
 549 {
 550         gchar *t;
 551         struct Client *c = (struct Client *)data;
 552         t = g_strdup_printf("WEB PROCESS CRASHED: %s",
 553                             webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
 554         gtk_entry_set_text(GTK_ENTRY(c->location), t);
 555         g_free(t);
 556
 557         return TRUE;
 558 }
 559 gboolean
 560 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 561               WebKitPolicyDecisionType type, gpointer data)
 562 {
 563         WebKitResponsePolicyDecision *r;
 564         switch (type) {
 565         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 566                 r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 567                 if (!webkit_response_policy_decision_is_mime_type_supported(r))
 568                         webkit_policy_decision_download(decision);
 569                 else
 570                         webkit_policy_decision_use(decision);
 571                 break;
 572         default:
 573                 //Use whatever default there is.
 574                 return FALSE;
 575         }
 576         return TRUE;
 577 }
 578
 579 gchar *
 580 ensure_uri_scheme(const gchar *t)
 581 {
 582         gchar *f, *fabs;
 583         f = g_ascii_strdown(t, -1);
 584         if (!g_str_has_prefix(f, "http:") && !g_str_has_prefix(f, "https:") &&
 585             !g_str_has_prefix(f, "file:") && !g_str_has_prefix(f, "about:") &&
 586             !g_str_has_prefix(f, "data:") && !g_str_has_prefix(f, "webkit:")) {
 587                 g_free(f);
 588                 fabs = realpath(t, NULL);
 589                 if (fabs != NULL) {
 590                         f = g_strdup_printf("file://%s", fabs);
 591                         free(fabs);
 592                 } else {
 593                         f = g_strdup_printf("http://%s", t);
 594                 }
 595                 return f;
 596         } else
 597                 return g_strdup(t);
 598 }
 599
 600 void
 601 grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data)
 602 {
 603         struct Client *c = (struct Client *)data;
 604         WebKitJavascriptResult *js_result;
 605         JSCValue *value;
 606         JSCException *exception;
 607         GError *err = NULL;
 608         gchar *str_value;
 609         g_free(c->feed_html);
 610         c->feed_html = NULL;
 611
 612         /*
 613         * This was taken almost verbatim from the example in WebKit's
 614         * documentation:
 615         *
 616         * https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html
 617         */
 618
 619         js_result = webkit_web_view_run_javascript_finish(
 620                 WEBKIT_WEB_VIEW(object), result, &err);
 621         if (!js_result) {
 622                 fprintf(stderr, "chorizo: Error running javascript: %s\n",
 623                         err->message);
 624                 g_error_free(err);
 625                 return;
 626         }
 627         value = webkit_javascript_result_get_js_value(js_result);
 628         if (jsc_value_is_string(value)) {
 629                 str_value = jsc_value_to_string(value);
 630                 exception =
 631                         jsc_context_get_exception(jsc_value_get_context(value));
 632                 if (exception != NULL) {
 633                         fprintf(stderr,
 634                                 "chorizo: Error running javascript: %s\n",
 635                                 jsc_exception_get_message(exception));
 636                 } else {
 637                         c->feed_html = str_value;
 638                 }
 639
 640                 gtk_entry_set_icon_from_icon_name(
 641                         GTK_ENTRY(c->location), GTK_ENTRY_ICON_SECONDARY,
 642                         "application-rss+xml-symbolic");
 643                 gtk_entry_set_icon_activatable(GTK_ENTRY(c->location),
 644                                                GTK_ENTRY_ICON_SECONDARY, TRUE);
 645         } else {
 646                 gtk_entry_set_icon_from_icon_name(
 647                         GTK_ENTRY(c->location), GTK_ENTRY_ICON_SECONDARY, NULL);
 648         }
 649
 650         webkit_javascript_result_unref(js_result);
 651 }
 652
 653 void
 654 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht,
 655                guint modifiers, gpointer data)
 656 {
 657         struct Client *c = (struct Client *)data;
 658         const char *to_show;
 659         g_free(c->hover_uri);
 660
 661         if (webkit_hit_test_result_context_is_link(ht)) {
 662                 to_show = webkit_hit_test_result_get_link_uri(ht);
 663                 c->hover_uri = g_strdup(to_show);
 664         } else {
 665                 to_show = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 666                 c->hover_uri = NULL;
 667         }
 668
 669         if (!gtk_widget_is_focus(c->location))
 670                 set_uri(to_show, c);
 671 }
 672
 673 void
 674 icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event,
 675               gpointer data)
 676 {
 677         struct Client *c = (struct Client *)data;
 678         gchar *d;
 679         gchar *data_template = "data:text/html,"
 680                                "<!DOCTYPE html>"
 681                                "<html>"
 682                                "    <head>"
 683                                "        <meta charset=\"UTF-8\">"
 684                                "        <title>Feeds</title>"
 685                                "    </head>"
 686                                "    <body>"
 687                                "        <p>Feeds found on this page:</p>"
 688                                "        <ul>"
 689                                "        %s"
 690                                "        </ul>"
 691                                "    </body>"
 692                                "</html>";
 693         if (c->feed_html != NULL) {
 694                 /*
 695                 * What we're actually trying to do is show a simple HTML
 696                 * page that lists all the feeds on the current page. The
 697                 * function webkit_web_view_load_html() looks like the proper
 698                 * way to do that. Sad thing is, it doesn't create a history
 699                 * entry, but instead simply replaces the content of the
 700                 * current page. This is not what we want.
 701                 *
 702                 * RFC 2397 [0] defines the data URI scheme [1]. We abuse this
 703                 * mechanism to show my custom HTML snippet* and*create a
 704                 * history entry.
 705                 *
 706                 * [0]: https://tools.ietf.org/html/rfc2397 [1]:
 707                 * https://en.wikipedia.org/wiki/Data_URI_scheme
 708                 */
 709
 710                 d = g_strdup_printf(data_template, c->feed_html);
 711                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d);
 712                 g_free(d);
 713         }
 714 }
 715
 716 void
 717 init_default_web_context(void)
 718 {
 719         gchar *p;
 720         WebKitWebContext *wc;
 721         WebKitCookieManager *cm;
 722         wc = (cfg.private) ? webkit_web_context_new_ephemeral() :
 723                              webkit_web_context_get_default();
 724
 725         p = g_build_filename(g_get_user_config_dir(), "chorizo", "adblock",
 726                              NULL);
 727         webkit_web_context_set_sandbox_enabled(wc, TRUE);
 728         webkit_web_context_add_path_to_sandbox(wc, p, TRUE);
 729         g_free(p);
 730
 731         WebKitProcessModel model =
 732                 WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES;
 733         webkit_web_context_set_process_model(wc, model);
 734
 735         p = g_build_filename(g_get_user_data_dir(), "chorizo", "web-extensions",
 736                              NULL);
 737         webkit_web_context_set_web_extensions_directory(wc, p);
 738         g_free(p);
 739
 740         char *xdg_down = getenv("XDG_DOWNLOAD_DIR");
 741         g_signal_connect(G_OBJECT(wc), "download-started",
 742                          G_CALLBACK(download_start),
 743                          (xdg_down) ? xdg_down : "/var/tmp");
 744
 745         trust_user_certs(wc);
 746
 747         cm = webkit_web_context_get_cookie_manager(wc);
 748         webkit_cookie_manager_set_accept_policy(cm, cfg_cookie_policy);
 749
 750         if (!cfg.private) {
 751                 webkit_web_context_set_favicon_database_directory(wc, NULL);
 752
 753                 gchar *fname = g_build_filename("/", g_get_user_data_dir(),
 754                                                 "chorizo", "cookies.db", NULL);
 755                 mkdirp(dirname(fname), 0700);
 756                 WebKitCookiePersistentStorage type =
 757                         WEBKIT_COOKIE_PERSISTENT_STORAGE_SQLITE;
 758                 webkit_cookie_manager_set_persistent_storage(cm, fname, type);
 759                 g_free(fname);
 760         }
 761         webkit_web_context_set_spell_checking_enabled(wc, TRUE);
 762 }
 763
 764 void
 765 search(gpointer data, gint direction)
 766 {
 767         struct Client *c = (struct Client *)data;
 768         WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 769         WebKitFindController *fc =
 770                 webkit_web_view_get_find_controller(web_view);
 771         if (search_text == NULL)
 772                 return;
 773
 774         switch (direction) {
 775         case 0:
 776                 webkit_find_controller_search(
 777                         fc, search_text,
 778                         WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 779                                 WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 780                         G_MAXUINT);
 781                 break;
 782         case 1:
 783                 webkit_find_controller_search_next(fc);
 784                 break;
 785         case -1:
 786                 webkit_find_controller_search_previous(fc);
 787                 break;
 788         case 2:
 789                 webkit_find_controller_search_finish(fc);
 790                 break;
 791         }
 792 }
 793
 794 void
 795 search_init(struct Client *c, int direction)
 796 {
 797         gtk_widget_grab_focus(c->location);
 798         const gchar *contents = gtk_entry_get_text(GTK_ENTRY(c->location));
 799         if (strcspn(contents, "s/")) {
 800                 gtk_entry_set_text(GTK_ENTRY(c->location), "s/");
 801                 gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 802         } else {
 803                 search(c, 0);
 804                 search(c, -1);
 805                 search(c, direction);
 806         }
 807 }
 808 gboolean
 809 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 810 {
 811         struct Client *c = (struct Client *)data;
 812         gdouble now;
 813         if (event->type == GDK_KEY_PRESS) {
 814                 if (((GdkEventKey *)event)->state & GDK_CONTROL_MASK) {
 815                         const char *uri = webkit_web_view_get_uri(
 816                                 WEBKIT_WEB_VIEW(c->web_view));
 817                         int key = ((GdkEventKey *)event)->keyval;
 818                         if (GDK_KEY_y == key) {
 819                                 downloadmanager_show();
 820                                 return TRUE;
 821                         } else if (GDK_KEY_h == key) {
 822                                 webkit_web_view_go_back(
 823                                         WEBKIT_WEB_VIEW(c->web_view));
 824                                 return TRUE;
 825                         } else if (GDK_KEY_l == key) {
 826                                 webkit_web_view_go_forward(
 827                                         WEBKIT_WEB_VIEW(c->web_view));
 828                                 return TRUE;
 829                         } else if (GDK_KEY_o == key) {
 830                                 gtk_widget_grab_focus(c->location);
 831                                 return TRUE;
 832                         } else if (GDK_KEY_Print == key) {
 833                                 WebKitPrintOperation *operation =
 834                                         webkit_print_operation_new(
 835                                                 WEBKIT_WEB_VIEW(c->web_view));
 836                                 GtkWidget *toplevel =
 837                                         gtk_widget_get_toplevel(mw.win);
 838                                 webkit_print_operation_run_dialog(
 839                                         operation, GTK_WINDOW(toplevel));
 840                                 return TRUE;
 841                         } else if (GDK_KEY_g == key) {
 842                                 search(c, 2);
 843                                 gtk_widget_grab_focus(c->web_view);
 844                                 gtk_editable_set_position(
 845                                         GTK_EDITABLE(c->location), -1);
 846                                 if (uri)
 847                                         gtk_entry_set_text(
 848                                                 GTK_ENTRY(c->location), uri);
 849                                 webkit_web_view_run_javascript(
 850                                         WEBKIT_WEB_VIEW(c->web_view),
 851                                         "window.getSelection().removeAllRanges();"
 852                                         "document.activeElement.blur();",
 853                                         NULL, NULL, c);
 854                                 return TRUE;
 855                         } else if (GDK_KEY_r == key) {
 856                                 webkit_web_view_reload_bypass_cache(
 857                                         WEBKIT_WEB_VIEW(c->web_view));
 858                                 return TRUE;
 859                         } else if (GDK_KEY_j == key) {
 860                                 for (int i = 0; i <= cfg_scroll_lines - 1;
 861                                      i++) {
 862                                         event->key.keyval = GDK_KEY_Down;
 863                                         gdk_event_put(event);
 864                                 }
 865                                 return TRUE;
 866                         } else if (GDK_KEY_k == key) {
 867                                 for (int i = 0; i <= cfg_scroll_lines - 1;
 868                                      i++) {
 869                                         event->key.keyval = GDK_KEY_Up;
 870                                         gdk_event_put(event);
 871                                 }
 872                                 return TRUE;
 873                         } else if (GDK_KEY_f == key) {
 874                                 event->key.keyval = GDK_KEY_Page_Down;
 875                                 gdk_event_put(event);
 876                                 return TRUE;
 877                         } else if (GDK_KEY_b == key) {
 878                                 event->key.keyval = GDK_KEY_Page_Up;
 879                                 gdk_event_put(event);
 880                                 return TRUE;
 881                         } else if (GDK_KEY_s == key) {
 882                                 search_init(c, 1);
 883                                 return TRUE;
 884                         } else if (GDK_KEY_r == key) {
 885                                 search_init(c, -1);
 886                                 return TRUE;
 887                         } else if (GDK_KEY_q == key) {
 888                                 client_destroy(NULL, c);
 889                                 return TRUE;
 890                         } else if (GDK_KEY_1 == key) {
 891                                 gtk_notebook_set_current_page(
 892                                         GTK_NOTEBOOK(mw.notebook), 0);
 893                                 return TRUE;
 894                         } else if (GDK_KEY_2 == key) {
 895                                 gtk_notebook_set_current_page(
 896                                         GTK_NOTEBOOK(mw.notebook), 1);
 897                                 return TRUE;
 898                         } else if (GDK_KEY_3 == key) {
 899                                 gtk_notebook_set_current_page(
 900                                         GTK_NOTEBOOK(mw.notebook), 2);
 901                                 return TRUE;
 902                         } else if (GDK_KEY_4 == key) {
 903                                 gtk_notebook_set_current_page(
 904                                         GTK_NOTEBOOK(mw.notebook), 3);
 905                                 return TRUE;
 906                         } else if (GDK_KEY_5 == key) {
 907                                 gtk_notebook_set_current_page(
 908                                         GTK_NOTEBOOK(mw.notebook), 4);
 909                                 return TRUE;
 910                         } else if (GDK_KEY_6 == key) {
 911                                 gtk_notebook_set_current_page(
 912                                         GTK_NOTEBOOK(mw.notebook), 5);
 913                                 return TRUE;
 914                         } else if (GDK_KEY_7 == key) {
 915                                 gtk_notebook_set_current_page(
 916                                         GTK_NOTEBOOK(mw.notebook), 6);
 917                                 return TRUE;
 918                         } else if (GDK_KEY_8 == key) {
 919                                 gtk_notebook_set_current_page(
 920                                         GTK_NOTEBOOK(mw.notebook), 7);
 921                                 return TRUE;
 922                         } else if (GDK_KEY_9 == key) {
 923                                 gtk_notebook_set_current_page(
 924                                         GTK_NOTEBOOK(mw.notebook), 8);
 925                                 return TRUE;
 926                         } else if (GDK_KEY_u == key) {
 927                                 gtk_notebook_prev_page(
 928                                         GTK_NOTEBOOK(mw.notebook));
 929                                 return TRUE;
 930                         } else if (GDK_KEY_m == key) {
 931                                 gboolean muted = webkit_web_view_get_is_muted(
 932                                         WEBKIT_WEB_VIEW(c->web_view));
 933                                 webkit_web_view_set_is_muted(
 934                                         WEBKIT_WEB_VIEW(c->web_view), !muted);
 935                                 changed_title(G_OBJECT(c->web_view), NULL, c);
 936                                 return TRUE;
 937                         } else if (GDK_KEY_t == key) {
 938                                 client_new(cfg_home_uri, NULL, TRUE, TRUE);
 939                                 return TRUE;
 940                         } else if (GDK_KEY_bracketleft == key) {
 941                                 if (!closed_tabs)
 942                                         return TRUE;
 943                                 int len = sizeof(closed_tabs) / sizeof(char *);
 944                                 if (len < 1)
 945                                         return TRUE;
 946                                 client_new(closed_tabs[len], NULL, TRUE, TRUE);
 947                                 free(closed_tabs[len]);
 948                                 closed_tabs = (char **)realloc(
 949                                         closed_tabs,
 950                                         (len - 1) * sizeof(closed_tabs[0]));
 951                                 return TRUE;
 952                         } else if (GDK_KEY_i == key) {
 953                                 gtk_notebook_next_page(
 954                                         GTK_NOTEBOOK(mw.notebook));
 955                                 return TRUE;
 956                         } else if (GDK_KEY_p == key) {
 957                                 gboolean on =
 958                                         webkit_settings_get_enable_javascript(
 959                                                 c->settings);
 960                                 webkit_settings_set_enable_javascript(
 961                                         c->settings, !on);
 962                                 webkit_web_view_set_settings(
 963                                         WEBKIT_WEB_VIEW(c->web_view),
 964                                         c->settings);
 965                                 gtk_toggle_button_set_active(
 966                                         GTK_TOGGLE_BUTTON(c->jsbutton), !on);
 967                         } else if (GDK_KEY_d == key) {
 968                                 gtk_widget_grab_focus(c->location);
 969                                 gtk_entry_set_text(GTK_ENTRY(c->location),
 970                                                    "w/");
 971                                 gtk_editable_set_position(
 972                                         GTK_EDITABLE(c->location), -1);
 973                                 return TRUE;
 974                         } else if (GDK_KEY_equal == key) {
 975                                 now = webkit_web_view_get_zoom_level(
 976                                         WEBKIT_WEB_VIEW(c->web_view));
 977                                 webkit_web_view_set_zoom_level(
 978                                         WEBKIT_WEB_VIEW(c->web_view),
 979                                         now + 0.1);
 980                                 return TRUE;
 981                         } else if (GDK_KEY_minus == key) {
 982                                 now = webkit_web_view_get_zoom_level(
 983                                         WEBKIT_WEB_VIEW(c->web_view));
 984                                 webkit_web_view_set_zoom_level(
 985                                         WEBKIT_WEB_VIEW(c->web_view),
 986                                         now - 0.1);
 987                                 return TRUE;
 988                         } else if (GDK_KEY_0 == key) {
 989                                 webkit_web_view_set_zoom_level(
 990                                         WEBKIT_WEB_VIEW(c->web_view), 1);
 991                                 return TRUE;
 992                         }
 993                 }
 994         }
 995         return FALSE;
 996 }
 997 gboolean
 998 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 999 {
1000         struct Client *c = (struct Client *)data;
1001         const gchar *t;
1002         if (key_common(widget, event, data))
1003                 return TRUE;
1004
1005         if (event->type == GDK_KEY_PRESS) {
1006                 int key = ((GdkEventKey *)event)->keyval;
1007                 if ((GDK_KEY_KP_Enter == key) || (GDK_KEY_Return == key)) {
1008                         gtk_widget_grab_focus(c->web_view);
1009                         t = gtk_entry_get_text(GTK_ENTRY(c->location));
1010                         if (t != NULL && t[0] == 's' && t[1] == '/') {
1011                                 if (search_text != NULL)
1012                                         g_free(search_text);
1013                                 search_text = g_strdup(t + 2);
1014                                 search(c, 0);
1015                         } else if (t != NULL && t[0] == 'w' && t[1] == '/') {
1016                                 int len = strlen(cfg_search_engine) +
1017                                           strlen(t) - 2;
1018                                 gchar *f = malloc(len + 1);
1019                                 snprintf(f, len + 1, "%s%s", cfg_search_engine,
1020                                          t + 2);
1021                                 webkit_web_view_load_uri(
1022                                         WEBKIT_WEB_VIEW(c->web_view), f);
1023                                 g_free(f);
1024                         } else {
1025                                 webkit_web_view_load_uri(
1026                                         WEBKIT_WEB_VIEW(c->web_view),
1027                                         ensure_uri_scheme(t));
1028                         }
1029                         return TRUE;
1030                 } else if (GDK_KEY_Escape == key) {
1031                         t = webkit_web_view_get_uri(
1032                                 WEBKIT_WEB_VIEW(c->web_view));
1033                         gtk_entry_set_text(GTK_ENTRY(c->location),
1034                                            (t == NULL) ? "" : t);
1035                         return TRUE;
1036                 }
1037         }
1038         return FALSE;
1039 }
1040 gboolean
1041 key_tablabel(GtkWidget *widget, GdkEvent *event, gpointer data)
1042 {
1043         GdkScrollDirection direction;
1044         if (event->type == GDK_BUTTON_RELEASE) {
1045                 switch (((GdkEventButton *)event)->button) {
1046                 case 2:
1047                         client_destroy(NULL, data);
1048                         return TRUE;
1049                 }
1050         } else if (event->type == GDK_SCROLL) {
1051                 gdk_event_get_scroll_direction(event, &direction);
1052                 switch (direction) {
1053                 case GDK_SCROLL_UP:
1054                         gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
1055                         break;
1056                 case GDK_SCROLL_DOWN:
1057                         gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
1058                         break;
1059                 default:
1060                         break;
1061                 }
1062                 return TRUE;
1063         }
1064         return FALSE;
1065 }
1066 gboolean
1067 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
1068 {
1069         struct Client *c = (struct Client *)data;
1070         gdouble dx, dy;
1071         gfloat z;
1072         if (key_common(widget, event, data))
1073                 return TRUE;
1074
1075         if (event->type == GDK_KEY_PRESS) {
1076                 if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape) {
1077                         webkit_web_view_stop_loading(
1078                                 WEBKIT_WEB_VIEW(c->web_view));
1079                         gtk_entry_set_progress_fraction(GTK_ENTRY(c->location),
1080                                                         0);
1081                 }
1082         } else if (event->type == GDK_BUTTON_RELEASE) {
1083                 GdkModifierType modifiers =
1084                         gtk_accelerator_get_default_mod_mask();
1085                 switch (((GdkEventButton *)event)->button) {
1086                 case 1:
1087                         if ((((GdkEventButton *)event)->state & modifiers) ==
1088                                     GDK_CONTROL_MASK &&
1089                             c->hover_uri != NULL) {
1090                                 client_new(c->hover_uri, NULL, TRUE, FALSE);
1091                                 return TRUE;
1092                         }
1093                         break;
1094                 case 8:
1095                         webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
1096                         return TRUE;
1097                 case 9:
1098                         webkit_web_view_go_forward(
1099                                 WEBKIT_WEB_VIEW(c->web_view));
1100                         return TRUE;
1101                 }
1102         } else if (event->type == GDK_SCROLL) {
1103                 event->scroll.delta_y *= cfg_scroll_lines;
1104                 if (((GdkEventScroll *)event)->state & GDK_CONTROL_MASK) {
1105                         gdk_event_get_scroll_deltas(event, &dx, &dy);
1106                         z = webkit_web_view_get_zoom_level(
1107                                 WEBKIT_WEB_VIEW(c->web_view));
1108                         z += -dy * 0.1;
1109                         z = dx != 0 ? 1 : z;
1110                         webkit_web_view_set_zoom_level(
1111                                 WEBKIT_WEB_VIEW(c->web_view), z);
1112                         return TRUE;
1113                 }
1114         }
1115         return FALSE;
1116 }
1117
1118 void
1119 mainwindow_setup(void)
1120 {
1121         mw.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1122         gtk_window_set_default_size(GTK_WINDOW(mw.win), 800, 600);
1123         g_signal_connect(G_OBJECT(mw.win), "destroy", gtk_main_quit, NULL);
1124
1125         gchar *priv = (cfg.private) ? "-private" : "";
1126         gchar *title = malloc(strlen(priv) + 7);
1127         sprintf(title, "%s%s", "chorizo", priv);
1128         gtk_window_set_title(GTK_WINDOW(mw.win), title);
1129         g_free(title);
1130
1131         mw.notebook = gtk_notebook_new();
1132         gtk_notebook_set_scrollable(GTK_NOTEBOOK(mw.notebook), TRUE);
1133         gtk_container_add(GTK_CONTAINER(mw.win), mw.notebook);
1134         g_signal_connect(G_OBJECT(mw.notebook), "switch-page",
1135                          G_CALLBACK(notebook_switch_page), NULL);
1136 }
1137
1138 void
1139 mainwindow_title(gint idx)
1140 {
1141         GtkWidget *child, *widg, *tablabel;
1142         const gchar *text;
1143         child = gtk_notebook_get_nth_page(GTK_NOTEBOOK(mw.notebook), idx);
1144         if (child == NULL)
1145                 return;
1146
1147         widg = gtk_notebook_get_tab_label(GTK_NOTEBOOK(mw.notebook), child);
1148         tablabel = (GtkWidget *)g_object_get_data(G_OBJECT(widg),
1149                                                   "chorizo-tab-label");
1150         text = gtk_label_get_text(GTK_LABEL(tablabel));
1151         gtk_window_set_title(GTK_WINDOW(mw.win), text);
1152 }
1153
1154 void
1155 notebook_switch_page(GtkNotebook *nb, GtkWidget *p, guint idx, gpointer data)
1156 {
1157         mainwindow_title(idx);
1158 }
1159 gboolean
1160 quit_if_nothing_active(void)
1161 {
1162         if (clients == 0) {
1163                 if (downloads == 0) {
1164                         gtk_main_quit();
1165                         return TRUE;
1166                 } else {
1167                         downloadmanager_show();
1168                 }
1169         }
1170         return FALSE;
1171 }
1172 gboolean
1173 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
1174 {
1175         gchar *uri = NULL;
1176         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
1177         if (uri) {
1178                 g_strstrip(uri);
1179                 client_new(uri, NULL, TRUE, TRUE);
1180                 g_free(uri);
1181         }
1182         return TRUE;
1183 }
1184
1185 void
1186 show_web_view(WebKitWebView *web_view, gpointer data)
1187 {
1188         struct Client *c = (struct Client *)data;
1189         gint idx;
1190         (void)web_view;
1191
1192         gtk_widget_show_all(mw.win);
1193
1194         if (c->focus_new_tab) {
1195                 idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
1196                 if (idx != -1)
1197                         gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook),
1198                                                       idx);
1199
1200                 gtk_widget_grab_focus(c->web_view);
1201         }
1202 }
1203
1204 void
1205 trust_user_certs(WebKitWebContext *wc)
1206 {
1207         GTlsCertificate *cert;
1208         gchar *basedir, *absfile;
1209         const gchar *file;
1210         GDir *dir = NULL;
1211         basedir = g_build_filename(g_get_user_data_dir(), "chorizo", "certs",
1212                                    NULL);
1213         dir = g_dir_open(basedir, 0, NULL);
1214         g_free(basedir);
1215         if (dir != NULL) {
1216                 file = g_dir_read_name(dir);
1217                 while (file != NULL) {
1218                         absfile = g_build_filename(g_get_user_data_dir(),
1219                                                    "chorizo", "certs", file,
1220                                                    NULL);
1221                         cert = g_tls_certificate_new_from_file(absfile, NULL);
1222                         g_free(absfile);
1223                         if (cert == NULL)
1224                                 fprintf(stderr,
1225                                         "chorizo: Could not load trusted cert '%s'\n",
1226                                         file);
1227                         else
1228                                 webkit_web_context_allow_tls_certificate_for_host(
1229                                         wc, cert, file);
1230                         file = g_dir_read_name(dir);
1231                 }
1232                 g_dir_close(dir);
1233         }
1234 }
1235
1236 int
1237 main(int argc, char **argv)
1238 {
1239         int opt, i;
1240
1241         //TODO:pretty this
1242         cfg.noncooperative_instances = FALSE;
1243         cfg.cooperative_alone = TRUE;
1244
1245         while ((opt = getopt(argc, argv, "cpvV")) != -1) {
1246                 switch (opt) {
1247                 case 'c':
1248                         cfg.noncooperative_instances = TRUE;
1249                         break;
1250                 case 'p':
1251                         cfg.private = TRUE;
1252                         break;
1253                 case 'v':
1254                         cfg.verbose = TRUE;
1255                         break;
1256                 case 'V':
1257                         printf("%s %s\n", "chorizo", VERSION);
1258                         exit(0);
1259                 default:
1260                         fprintf(stderr,
1261                                 "Usage: chorizo [OPTION]... [URI]...\n");
1262                         exit(EXIT_FAILURE);
1263                 }
1264         }
1265
1266         gtk_init(&argc, &argv);
1267
1268         //Keep clipboard contents after program closes
1269         gtk_clipboard_store(gtk_clipboard_get_for_display(
1270                 gdk_display_get_default(), GDK_SELECTION_CLIPBOARD));
1271
1272         if (!cfg.noncooperative_instances)
1273                 cooperation_setup();
1274
1275         if (cfg.noncooperative_instances || cfg.cooperative_alone)
1276                 init_default_web_context();
1277
1278         downloadmanager_setup();
1279         mainwindow_setup();
1280
1281         client_arr = malloc(sizeof(struct Client *));
1282         if (optind >= argc) {
1283                 client_new(cfg_home_uri, NULL, TRUE, TRUE);
1284         } else {
1285                 for (i = optind; i < argc; i++)
1286                         client_new(argv[i], NULL, TRUE, TRUE);
1287         }
1288
1289         if (cfg.noncooperative_instances || cfg.cooperative_alone) {
1290                 gtk_main();
1291                 remove(fifopath);
1292         }
1293         for (int i = 0; i < clients; i++) {
1294                 free(&(client_arr[i]));
1295         }
1296
1297         exit(EXIT_SUCCESS);
1298 }