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