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 key_common(GtkWidget *, GdkEvent *, gpointer);
  20 gboolean key_wsearch(GtkWidget *, GdkEvent *, gpointer);
  21 gboolean key_isearch(GtkWidget *, GdkEvent *, gpointer);
  22 gboolean isearch_counted_matches(GtkWidget *, guint, gpointer);
  23 gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  24 gchar *ensure_uri_scheme(const gchar *);
  25 void changed_favicon(GObject *, GParamSpec *, gpointer);
  26 void changed_load_progress(GObject *, GParamSpec *, gpointer);
  27 void changed_title(GObject *, GParamSpec *, gpointer);
  28 void changed_uri(GObject *, GParamSpec *, gpointer);
  29 void grab_feeds_finished(GObject *, GAsyncResult *, gpointer);
  30 void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  31 void icon_location(GtkEntry *, GtkEntryIconPosition, GdkEvent *, gpointer);
  32 void mainwindow_title(gint);
  33 void notebook_switch_page(GtkNotebook *, GtkWidget *, guint, gpointer);
  34 void show_web_view(WebKitWebView *, gpointer);
  35 void trust_user_certs(WebKitWebContext *);
  36
  37 struct Client {
  38         GtkWidget *location;
  39         GtkWidget *wsearch;
  40         GtkWidget *isearch;
  41         GtkWidget *isearch_box;
  42         GtkWidget *isearch_matches;
  43         GtkWidget *tabicon;
  44         GtkWidget *tablabel;
  45         GtkWidget *vbox;
  46         GtkWidget *web_view;
  47         WebKitSettings *settings;
  48         gboolean focus_new_tab;
  49         gchar *external_handler_uri;
  50         gchar *feed_html;
  51         gchar *hover_uri;
  52 };
  53
  54 struct MainWindow {
  55         GtkWidget *notebook;
  56         GtkWidget *win;
  57 } mw;
  58
  59 struct Configuration {
  60         gboolean cooperative_alone;
  61         gboolean noncooperative_instances;
  62         gboolean private;
  63         gboolean verbose;
  64 } cfg;
  65
  66 gint clients = 0;
  67
  68 int cooperative_pipe_fp = 0;
  69 gchar *fifopath;
  70 char **closed_tabs;
  71 size_t num_closed = 0;
  72
  73 void
  74 allocfail(void)
  75 {
  76         fprintf(stderr, "chorizo: fatal: alloc failed\n");
  77         exit(EXIT_FAILURE);
  78 }
  79
  80 void
  81 client_destroy(GtkWidget *widget, gpointer data)
  82 {
  83         struct Client *c = (struct Client *)data;
  84         gint idx;
  85         g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
  86                                              changed_load_progress, c);
  87
  88         idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
  89         if (idx == -1)
  90                 fprintf(stderr, "chorizo: warning: tab index was -1\n");
  91         else
  92                 gtk_notebook_remove_page(GTK_NOTEBOOK(mw.notebook), idx);
  93
  94         if (!cfg.private && WEBKIT_IS_WEB_VIEW(c->web_view)) {
  95                 const char *uri =
  96                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
  97
  98                 // TODO: Shift everything left if over certain amount
  99                 if (uri != NULL) {
 100                         num_closed++;
 101                         if (num_closed > cfg_max_tabs_closed) {
 102                                 memmove(closed_tabs, closed_tabs,
 103                                         cfg_max_tabs_closed - 1);
 104                                 num_closed = cfg_max_tabs_closed;
 105                         } else {
 106                                 closed_tabs = realloc(
 107                                         closed_tabs,
 108                                         num_closed * sizeof(closed_tabs[0]));
 109                                 if (!closed_tabs) allocfail();
 110                         }
 111                         closed_tabs[num_closed - 1] = strdup(uri);
 112                 }
 113         }
 114
 115         clients--;
 116         free(c);
 117
 118         quit_if_nothing_active();
 119 }
 120
 121 void
 122 set_uri(const char *uri, struct Client *c)
 123 {
 124         if (!gtk_widget_is_focus(c->location))
 125                 gtk_entry_set_text(GTK_ENTRY(c->location),
 126                                    (uri != NULL) ? uri : "");
 127 }
 128
 129 WebKitWebView *
 130 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show,
 131            gboolean focus_tab)
 132 {
 133         struct Client *c;
 134         gchar *f;
 135         GtkWidget *evbox, *tabbox;
 136         if (uri != NULL && !cfg.noncooperative_instances &&
 137             !cfg.cooperative_alone) {
 138                 f = ensure_uri_scheme(uri);
 139                 write(cooperative_pipe_fp, f, strlen(f));
 140                 write(cooperative_pipe_fp, "\n", 1);
 141                 g_free(f);
 142                 return NULL;
 143         }
 144         c = calloc(1, sizeof(struct Client));
 145         if (!c) allocfail();
 146         c->focus_new_tab = focus_tab;
 147
 148         if (related_wv == NULL) {
 149                 WebKitUserContentManager *ucm =
 150                         webkit_user_content_manager_new();
 151                 WebKitUserScript *wkscript;
 152                 WebKitUserStyleSheet *wkstyle;
 153                 gchar *path = NULL, *source, *base;
 154                 const gchar *entry = NULL;
 155                 GDir *dir = NULL;
 156                 base = g_build_filename(g_get_user_data_dir(), "chorizo",
 157                                         "user-scripts", NULL);
 158                 dir = g_dir_open(base, 0, NULL);
 159                 if (dir != NULL) {
 160                         while ((entry = g_dir_read_name(dir)) != NULL) {
 161                                 path = g_build_filename(base, entry, NULL);
 162                                 if (g_str_has_suffix(path, ".js")) {
 163                                         g_file_get_contents(path, &source, NULL,
 164                                                             NULL);
 165                                         wkscript = webkit_user_script_new(
 166                                                 source,
 167                                                 WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 168                                                 WEBKIT_USER_SCRIPT_INJECT_AT_DOCUMENT_START,
 169                                                 NULL, NULL);
 170                                         webkit_user_content_manager_add_script(
 171                                                 ucm, wkscript);
 172                                         webkit_user_script_unref(wkscript);
 173                                 }
 174                                 g_free(path);
 175                                 if (source) g_free(source);
 176                         }
 177                         g_dir_close(dir);
 178                 }
 179                 base = g_build_filename(g_get_user_data_dir(), "chorizo",
 180                                         "user-styles", NULL);
 181                 dir = g_dir_open(base, 0, NULL);
 182                 if (dir != NULL) {
 183                         while ((entry = g_dir_read_name(dir)) != NULL) {
 184                                 path = g_build_filename(base, entry, NULL);
 185                                 if (g_str_has_suffix(path, ".css")) {
 186                                         g_file_get_contents(path, &source, NULL,
 187                                                             NULL);
 188                                         wkstyle = webkit_user_style_sheet_new(
 189                                                 source,
 190                                                 WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 191                                                 WEBKIT_USER_STYLE_LEVEL_USER,
 192                                                 NULL, NULL);
 193                                         webkit_user_content_manager_add_style_sheet(
 194                                                 ucm, wkstyle);
 195                                         webkit_user_style_sheet_unref(wkstyle);
 196                                 }
 197                                 g_free(path);
 198                                 g_free(source);
 199                         }
 200                         g_dir_close(dir);
 201                 }
 202                 g_free(base);
 203
 204                 c->web_view =
 205                         webkit_web_view_new_with_user_content_manager(ucm);
 206
 207                 c->settings = webkit_web_view_get_settings(
 208                         WEBKIT_WEB_VIEW(c->web_view));
 209                 if (cfg.verbose)
 210                         webkit_settings_set_enable_write_console_messages_to_stdout(
 211                                 c->settings, true);
 212                 webkit_settings_set_enable_developer_extras(c->settings, TRUE);
 213         } else {
 214                 c->web_view = webkit_web_view_new_with_related_view(related_wv);
 215         }
 216
 217         g_signal_connect(G_OBJECT(c->web_view), "notify::favicon",
 218                          G_CALLBACK(changed_favicon), c);
 219         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 220                          G_CALLBACK(changed_title), c);
 221         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 222                          G_CALLBACK(changed_uri), c);
 223         g_signal_connect(G_OBJECT(c->web_view),
 224                          "notify::estimated-load-progress",
 225                          G_CALLBACK(changed_load_progress), c);
 226         g_signal_connect(G_OBJECT(c->web_view), "create",
 227                          G_CALLBACK(client_new_request), NULL);
 228         g_signal_connect(G_OBJECT(c->web_view), "close",
 229                          G_CALLBACK(client_destroy), c);
 230         g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 231                          G_CALLBACK(decide_policy), NULL);
 232         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 233                          G_CALLBACK(key_web_view), c);
 234         g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 235                          G_CALLBACK(key_web_view), c);
 236         g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 237                          G_CALLBACK(hover_web_view), c);
 238         g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 239                          G_CALLBACK(crashed_web_view), c);
 240
 241         GtkWidget *locbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 242
 243         c->location = gtk_entry_new();
 244         gtk_entry_set_placeholder_text(GTK_ENTRY(c->location), "URL");
 245         char *location_symbol;
 246         if (cfg.private) {
 247                 location_symbol = "security-high-symbolic";
 248                 gtk_entry_set_icon_tooltip_markup(
 249                         GTK_ENTRY(c->location), GTK_ENTRY_ICON_PRIMARY,
 250                         "You are in private mode. No history, caches, or "
 251                         "cookies will be saved beyond this session.");
 252         } else {
 253                 location_symbol = "text-x-generic-symbolic";
 254         }
 255
 256         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 257                                           GTK_ENTRY_ICON_PRIMARY,
 258                                           location_symbol);
 259         gtk_box_pack_start(GTK_BOX(locbox), c->location, TRUE, TRUE, 0);
 260
 261         c->wsearch = gtk_entry_new();
 262         gtk_entry_set_placeholder_text(GTK_ENTRY(c->wsearch), "Search the web");
 263         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->wsearch),
 264                                           GTK_ENTRY_ICON_PRIMARY,
 265                                           "system-search-symbolic");
 266         gtk_box_pack_start(GTK_BOX(locbox), c->wsearch, FALSE, TRUE, 0);
 267
 268         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 269                          G_CALLBACK(key_location), c);
 270         g_signal_connect(G_OBJECT(c->location), "icon-release",
 271                          G_CALLBACK(icon_location), c);
 272         g_signal_connect(G_OBJECT(c->wsearch), "key-press-event",
 273                          G_CALLBACK(key_wsearch), c);
 274         /*
 275          * XXX This is a workaround. Setting this to NULL (which is done in
 276          * grab_feeds_finished() if no feed has been detected) adds a little
 277          * padding left of the text. Not sure why. The point of this call
 278          * right here is to have that padding right from the start. This
 279          * avoids a graphical artifact.
 280          */
 281
 282         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 283                                           GTK_ENTRY_ICON_SECONDARY, NULL);
 284
 285         c->isearch_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 286         c->isearch = gtk_entry_new();
 287         gtk_entry_set_placeholder_text(GTK_ENTRY(c->isearch), "Search page");
 288         gtk_box_pack_start(GTK_BOX(c->isearch_box), c->isearch, FALSE, TRUE, 0);
 289         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->isearch),
 290                                           GTK_ENTRY_ICON_PRIMARY,
 291                                           "system-search-symbolic");
 292         g_signal_connect(G_OBJECT(c->isearch), "key-press-event",
 293                          G_CALLBACK(key_isearch), c);
 294
 295         c->isearch_matches = gtk_label_new("0 matches");
 296         gtk_box_pack_start(GTK_BOX(c->isearch_box), c->isearch_matches, FALSE,
 297                            TRUE, 5);
 298
 299         c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 300         gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 301         gtk_box_pack_start(GTK_BOX(c->vbox), c->isearch_box, FALSE, TRUE, 0);
 302         gtk_box_pack_start(GTK_BOX(c->vbox), locbox, FALSE, FALSE, 0);
 303
 304         gtk_container_set_focus_child(GTK_CONTAINER(c->vbox), c->web_view);
 305
 306         c->tabicon = gtk_image_new_from_icon_name("text-html",
 307                                                   GTK_ICON_SIZE_SMALL_TOOLBAR);
 308
 309         c->tablabel = gtk_label_new("chorizo");
 310         gtk_label_set_ellipsize(GTK_LABEL(c->tablabel), PANGO_ELLIPSIZE_END);
 311         gtk_label_set_width_chars(GTK_LABEL(c->tablabel), cfg_tab_width);
 312         gtk_widget_set_has_tooltip(c->tablabel, TRUE);
 313
 314         /*
 315          * XXX I don't own a HiDPI screen, so I don't know if scale_factor
 316          * does the right thing.
 317          */
 318         tabbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,
 319                              5 * gtk_widget_get_scale_factor(mw.win));
 320         gtk_box_pack_start(GTK_BOX(tabbox), c->tabicon, FALSE, FALSE, 0);
 321         gtk_box_pack_start(GTK_BOX(tabbox), c->tablabel, TRUE, TRUE, 0);
 322
 323         evbox = gtk_event_box_new();
 324         gtk_container_add(GTK_CONTAINER(evbox), tabbox);
 325         g_signal_connect(G_OBJECT(evbox), "button-release-event",
 326                          G_CALLBACK(key_tablabel), c);
 327
 328         gtk_widget_add_events(evbox, GDK_SCROLL_MASK);
 329         g_signal_connect(G_OBJECT(evbox), "scroll-event",
 330                          G_CALLBACK(key_tablabel), c);
 331
 332         // For easy access, store a reference to our label.
 333         g_object_set_data(G_OBJECT(evbox), "chorizo-tab-label", c->tablabel);
 334
 335         /*
 336          * This only shows the event box and the label inside, nothing else.
 337          * Needed because the evbox/label is "internal" to the notebook and
 338          * not part of the normal "widget tree" (IIUC).
 339          */
 340         gtk_widget_show_all(evbox);
 341
 342         int page = gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)) + 1;
 343         gtk_notebook_insert_page(GTK_NOTEBOOK(mw.notebook), c->vbox, evbox,
 344                                  page);
 345         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(mw.notebook), c->vbox,
 346                                          TRUE);
 347
 348         if (show)
 349                 show_web_view(NULL, c);
 350         else
 351                 g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 352                                  G_CALLBACK(show_web_view), c);
 353
 354         if (uri != NULL) {
 355                 f = ensure_uri_scheme(uri);
 356                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 357                 g_free(f);
 358         }
 359         set_uri(uri, c);
 360
 361         clients++;
 362
 363         if (uri == NULL) gtk_widget_grab_focus(c->location);
 364
 365         return WEBKIT_WEB_VIEW(c->web_view);
 366 }
 367
 368 WebKitWebView *
 369 client_new_request(WebKitWebView *web_view,
 370                    WebKitNavigationAction *navigation_action, gpointer data)
 371 {
 372         return client_new(NULL, web_view, FALSE, FALSE);
 373 }
 374
 375 void
 376 mkdirp(const char *dir, mode_t mode)
 377 {
 378         char tmp[256];
 379         char *p = NULL;
 380         size_t len;
 381         snprintf(tmp, sizeof(tmp), "%s", dir);
 382         len = strlen(tmp);
 383         if (tmp[len - 1] == '/') tmp[len - 1] = 0;
 384         for (p = tmp + 1; *p; p++)
 385                 if (*p == '/') {
 386                         *p = 0;
 387                         mkdir(tmp, mode);
 388                         *p = '/';
 389                 }
 390         mkdir(tmp, S_IRWXU);
 391 }
 392
 393 void
 394 cooperation_setup(void)
 395 {
 396         GIOChannel *towatch;
 397         gchar *fifofilename;
 398
 399         gchar *priv = (cfg.private) ? "-private" : "";
 400         const gchar *fifo_suffix_env = g_getenv("CHORIZO_FIFO_SUFFIX");
 401         const gchar *fifo_suffix = (fifo_suffix_env) ? fifo_suffix_env : "";
 402         fifofilename = g_strdup_printf("%s%s%s%s", "chorizo", priv, ".fifo",
 403                                        fifo_suffix);
 404         fifopath = g_build_filename(g_get_user_runtime_dir(), "chorizo",
 405                                     fifofilename, NULL);
 406         mkdirp(dirname(fifopath), 0600);
 407         g_free(fifofilename);
 408
 409         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS)) mkfifo(fifopath, 0600);
 410
 411         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 412         if (!cooperative_pipe_fp) {
 413                 fprintf(stderr, "chorizo: error: can't open FIFO\n");
 414         } else {
 415                 if (write(cooperative_pipe_fp, "", 0) == -1) {
 416                         /*
 417                          * Could not do an empty write to the FIFO which
 418                          * means there's no one listening.
 419                          */
 420                         close(cooperative_pipe_fp);
 421                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 422                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg,
 423                                        NULL);
 424                 } else {
 425                         cfg.cooperative_alone = FALSE;
 426                 }
 427         }
 428 }
 429
 430 void
 431 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 432 {
 433         struct Client *c = (struct Client *)data;
 434         gdouble p;
 435         gchar *grab_feeds =
 436                 "a = document.querySelectorAll('"
 437                 "    html > head > "
 438                 "link[rel=\"alternate\"][href][type=\"application/atom+xml\"],"
 439                 "    html > head > "
 440                 "link[rel=\"alternate\"][href][type=\"application/rss+xml\"]"
 441                 "');"
 442                 "if (a.length == 0)"
 443                 "    null;"
 444                 "else {"
 445                 "    out = '';"
 446                 "    for (i = 0; i < a.length; i++) {"
 447                 "        url = encodeURIComponent(a[i].href);"
 448                 "        if ('title' in a[i] && a[i].title != '')"
 449                 "            title = encodeURIComponent(a[i].title);"
 450                 "        else"
 451                 "            title = url;"
 452                 "        out += '<li><a href=\"' + url + '\">' + title + "
 453                 "'</a></li>';"
 454                 "    }"
 455                 "    out;"
 456                 "}";
 457         p = webkit_web_view_get_estimated_load_progress(
 458                 WEBKIT_WEB_VIEW(c->web_view));
 459         if (p == 1) {
 460                 p = 0;
 461
 462                 /*
 463                  * The page has loaded fully. We now run the short JavaScript
 464                  * snippet above that operates on the DOM. It tries to grab
 465                  * all occurences of <link rel="alternate" ...>, i.e.
 466                  * RSS/Atom feed references.
 467                  */
 468                 webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view),
 469                                                grab_feeds, NULL,
 470                                                grab_feeds_finished, c);
 471         }
 472         gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 473 }
 474
 475 void
 476 changed_favicon(GObject *obj, GParamSpec *pspec, gpointer data)
 477 {
 478         struct Client *c = (struct Client *)data;
 479         cairo_surface_t *f;
 480         int w, h, w_should, h_should;
 481         GdkPixbuf *pb, *pb_scaled;
 482         f = webkit_web_view_get_favicon(WEBKIT_WEB_VIEW(c->web_view));
 483         if (f == NULL) {
 484                 gtk_image_set_from_icon_name(GTK_IMAGE(c->tabicon), "text-html",
 485                                              GTK_ICON_SIZE_SMALL_TOOLBAR);
 486         } else {
 487                 w = cairo_image_surface_get_width(f);
 488                 h = cairo_image_surface_get_height(f);
 489                 pb = gdk_pixbuf_get_from_surface(f, 0, 0, w, h);
 490                 if (pb != NULL) {
 491                         w_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 492                         h_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 493                         pb_scaled = gdk_pixbuf_scale_simple(
 494                                 pb, w_should, h_should, GDK_INTERP_BILINEAR);
 495                         gtk_image_set_from_pixbuf(GTK_IMAGE(c->tabicon),
 496                                                   pb_scaled);
 497
 498                         g_object_unref(pb_scaled);
 499                         g_object_unref(pb);
 500                 }
 501         }
 502 }
 503
 504 void
 505 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 506 {
 507         const gchar *t, *u;
 508         struct Client *c = (struct Client *)data;
 509         u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 510         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 511
 512         u = u == NULL ? "chorizo" : u;
 513         u = u[0] == 0 ? "chorizo" : u;
 514
 515         t = t == NULL ? u : t;
 516         t = t[0] == 0 ? u : t;
 517
 518         gchar *name = malloc(strlen(t) + 4);
 519         if (!name) allocfail();
 520         gboolean mute =
 521                 webkit_web_view_get_is_muted(WEBKIT_WEB_VIEW(c->web_view));
 522         gchar *muted = (mute) ? "[M] " : "";
 523         sprintf(name, "%s%s", muted, t);
 524         gtk_label_set_text(GTK_LABEL(c->tablabel), name);
 525         g_free(name);
 526
 527         gtk_widget_set_tooltip_text(c->tablabel, t);
 528         mainwindow_title(
 529                 gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)));
 530 }
 531
 532 void
 533 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 534 {
 535         const gchar *t;
 536         struct Client *c = (struct Client *)data;
 537         FILE *fp;
 538         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 539
 540         if (t != NULL && strlen(t) > 0) {
 541                 set_uri(t, c);
 542
 543                 // No g_get_user_state_dir unfortunately
 544                 gchar *state_env = getenv("XDG_STATE_DIR");
 545                 gchar *state_dir = (state_env) ?
 546                                                  state_env :
 547                                                  g_build_filename(g_get_home_dir(),
 548                                                             ".local", "state",
 549                                                             "chorizo", NULL);
 550
 551                 gchar *history_file =
 552                         g_build_filename(state_dir, "history", NULL);
 553                 if (!cfg.private) {
 554                         mkdirp(state_dir, 0700);
 555                         fp = fopen(history_file, "a");
 556                         if (fp != NULL) {
 557                                 fprintf(fp, "%s\n", t);
 558                                 fclose(fp);
 559                         } else {
 560                                 perror("chorizo: error: could not open history file");
 561                         }
 562                 }
 563                 g_free(history_file);
 564                 g_free(state_dir);
 565         }
 566 }
 567
 568 gboolean
 569 crashed_web_view(WebKitWebView *web_view, gpointer data)
 570 {
 571         GtkDialogFlags flags = GTK_DIALOG_DESTROY_WITH_PARENT;
 572         GtkWidget *dialog = gtk_message_dialog_new(
 573                 GTK_WINDOW(mw.win), flags, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
 574                 "ERROR: Web process %s crashed.\n%s",
 575                 webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)),
 576                 g_strerror(errno));
 577         gtk_dialog_run(GTK_DIALOG(dialog));
 578         gtk_widget_destroy(dialog);
 579
 580         return TRUE;
 581 }
 582
 583 gboolean
 584 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 585               WebKitPolicyDecisionType type, gpointer data)
 586 {
 587         WebKitResponsePolicyDecision *r;
 588         switch (type) {
 589         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 590                 r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 591                 if (!webkit_response_policy_decision_is_mime_type_supported(r))
 592                         webkit_policy_decision_download(decision);
 593                 else
 594                         webkit_policy_decision_use(decision);
 595                 break;
 596         default:
 597                 // Use whatever default there is.
 598                 return FALSE;
 599         }
 600         return TRUE;
 601 }
 602
 603 gchar *
 604 ensure_uri_scheme(const gchar *t)
 605 {
 606         gchar *f, *fabs;
 607         f = g_ascii_strdown(t, -1);
 608         if (!g_str_has_prefix(f, "http:") && !g_str_has_prefix(f, "https:") &&
 609             !g_str_has_prefix(f, "file:") && !g_str_has_prefix(f, "about:") &&
 610             !g_str_has_prefix(f, "data:") && !g_str_has_prefix(f, "webkit:")) {
 611                 g_free(f);
 612                 fabs = realpath(t, NULL);
 613                 if (fabs != NULL) {
 614                         f = g_strdup_printf("file://%s", fabs);
 615                         free(fabs);
 616                 } else {
 617                         f = g_strdup_printf("http://%s", t);
 618                 }
 619                 return f;
 620         } else
 621                 return g_strdup(t);
 622 }
 623
 624 void
 625 grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data)
 626 {
 627         struct Client *c = (struct Client *)data;
 628         WebKitJavascriptResult *js_result;
 629         JSCValue *value;
 630         JSCException *exception;
 631         GError *err = NULL;
 632         gchar *str_value;
 633         g_free(c->feed_html);
 634         c->feed_html = NULL;
 635
 636         /*
 637          * This was taken almost verbatim from the example in WebKit's
 638          * documentation:
 639          *
 640          * https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html
 641          */
 642
 643         js_result = webkit_web_view_run_javascript_finish(
 644                 WEBKIT_WEB_VIEW(object), result, &err);
 645         if (!js_result) {
 646                 fprintf(stderr,
 647                         "chorizo: error: error running javascript: %s\n",
 648                         err->message);
 649                 g_error_free(err);
 650                 return;
 651         }
 652         value = webkit_javascript_result_get_js_value(js_result);
 653         if (jsc_value_is_string(value)) {
 654                 str_value = jsc_value_to_string(value);
 655                 exception =
 656                         jsc_context_get_exception(jsc_value_get_context(value));
 657                 if (exception != NULL) {
 658                         fprintf(stderr,
 659                                 "chorizo: warning: error running javascript: %s\n",
 660                                 jsc_exception_get_message(exception));
 661                 } else {
 662                         c->feed_html = str_value;
 663                 }
 664
 665                 gtk_entry_set_icon_from_icon_name(
 666                         GTK_ENTRY(c->location), GTK_ENTRY_ICON_SECONDARY,
 667                         "application-rss+xml-symbolic");
 668                 gtk_entry_set_icon_activatable(GTK_ENTRY(c->location),
 669                                                GTK_ENTRY_ICON_SECONDARY, TRUE);
 670         } else {
 671                 gtk_entry_set_icon_from_icon_name(
 672                         GTK_ENTRY(c->location), GTK_ENTRY_ICON_SECONDARY, NULL);
 673         }
 674
 675         webkit_javascript_result_unref(js_result);
 676 }
 677
 678 void
 679 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht,
 680                guint modifiers, gpointer data)
 681 {
 682         struct Client *c = (struct Client *)data;
 683         const char *to_show;
 684         g_free(c->hover_uri);
 685
 686         if (webkit_hit_test_result_context_is_link(ht)) {
 687                 to_show = webkit_hit_test_result_get_link_uri(ht);
 688                 c->hover_uri = g_strdup(to_show);
 689         } else {
 690                 to_show = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 691                 c->hover_uri = NULL;
 692         }
 693
 694         if (!gtk_widget_is_focus(c->location)) set_uri(to_show, c);
 695 }
 696
 697 void
 698 icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event,
 699               gpointer data)
 700 {
 701         struct Client *c = (struct Client *)data;
 702         gchar *d;
 703         gchar *data_template = "data:text/html,"
 704                                "<!DOCTYPE html>"
 705                                "<html>"
 706                                "    <head>"
 707                                "        <meta charset=\"UTF-8\">"
 708                                "        <title>Feeds</title>"
 709                                "    </head>"
 710                                "    <body>"
 711                                "        <p>Feeds found on this page:</p>"
 712                                "        <ul>"
 713                                "        %s"
 714                                "        </ul>"
 715                                "    </body>"
 716                                "</html>";
 717         if (c->feed_html != NULL) {
 718                 /*
 719                  * What we're actually trying to do is show a simple HTML
 720                  * page that lists all the feeds on the current page. The
 721                  * function webkit_web_view_load_html() looks like the proper
 722                  * way to do that. Sad thing is, it doesn't create a history
 723                  * entry, but instead simply replaces the content of the
 724                  * current page. This is not what we want.
 725                  *
 726                  * RFC 2397 [0] defines the data URI scheme [1]. We abuse this
 727                  * mechanism to show my custom HTML snippet* and*create a
 728                  * history entry.
 729                  *
 730                  * [0]: https://tools.ietf.org/html/rfc2397 [1]:
 731                  * https://en.wikipedia.org/wiki/Data_URI_scheme
 732                  */
 733
 734                 d = g_strdup_printf(data_template, c->feed_html);
 735                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d);
 736                 g_free(d);
 737         }
 738 }
 739
 740 void
 741 init_default_web_context(void)
 742 {
 743         gchar *p;
 744         WebKitWebContext *wc;
 745         WebKitCookieManager *cm;
 746         wc = (cfg.private) ? webkit_web_context_new_ephemeral() :
 747                                    webkit_web_context_get_default();
 748
 749         p = g_build_filename(g_get_user_config_dir(), "chorizo", "adblock",
 750                              NULL);
 751         webkit_web_context_set_sandbox_enabled(wc, TRUE);
 752         webkit_web_context_add_path_to_sandbox(wc, p, TRUE);
 753         g_free(p);
 754
 755         webkit_web_context_set_process_model(
 756                 wc, WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
 757
 758         p = g_build_filename(g_get_user_data_dir(), "chorizo", "web-extensions",
 759                              NULL);
 760         webkit_web_context_set_web_extensions_directory(wc, p);
 761         g_free(p);
 762
 763         char *xdg_down = getenv("XDG_DOWNLOAD_DIR");
 764         g_signal_connect(G_OBJECT(wc), "download-started",
 765                          G_CALLBACK(download_start),
 766                          (xdg_down) ? xdg_down : "/var/tmp");
 767
 768         trust_user_certs(wc);
 769
 770         cm = webkit_web_context_get_cookie_manager(wc);
 771         webkit_cookie_manager_set_accept_policy(cm, cfg_cookie_policy);
 772
 773         if (!cfg.private) {
 774                 webkit_web_context_set_favicon_database_directory(wc, NULL);
 775
 776                 gchar *fname = g_build_filename("/", g_get_user_data_dir(),
 777                                                 "chorizo", "cookies.db", NULL);
 778                 mkdirp(dirname(fname), 0700);
 779                 WebKitCookiePersistentStorage type =
 780                         WEBKIT_COOKIE_PERSISTENT_STORAGE_SQLITE;
 781                 webkit_cookie_manager_set_persistent_storage(cm, fname, type);
 782                 g_free(fname);
 783         }
 784         webkit_web_context_set_spell_checking_enabled(wc, TRUE);
 785 }
 786
 787 void
 788 isearch(gpointer data, gint direction)
 789 {
 790         struct Client *c = (struct Client *)data;
 791         WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 792         WebKitFindController *fc =
 793                 webkit_web_view_get_find_controller(web_view);
 794         const gchar *isearch_text = gtk_entry_get_text(GTK_ENTRY(c->isearch));
 795         if (isearch_text == NULL) return;
 796
 797         switch (direction) {
 798         case 0:
 799                 g_signal_connect(G_OBJECT(fc), "counted-matches",
 800                                  G_CALLBACK(isearch_counted_matches), c);
 801                 webkit_find_controller_count_matches(
 802                         fc, isearch_text, cfg_isearch_options, G_MAXUINT);
 803                 webkit_find_controller_search(fc, isearch_text,
 804                                               cfg_isearch_options, G_MAXUINT);
 805                 break;
 806         case 1:
 807                 webkit_find_controller_search_next(fc);
 808                 break;
 809         case -1:
 810                 webkit_find_controller_search_previous(fc);
 811                 break;
 812         case 2:
 813                 webkit_find_controller_search_finish(fc);
 814                 break;
 815         }
 816 }
 817
 818 void
 819 isearch_init(struct Client *c, int direction)
 820 {
 821         if (webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view))) {
 822                 gtk_widget_show(c->isearch_box);
 823                 gtk_widget_grab_focus(c->isearch);
 824         }
 825 }
 826
 827 void
 828 reopen_tab(void)
 829 {
 830         if (num_closed == 0) return;
 831         client_new(closed_tabs[num_closed - 1], NULL, TRUE, TRUE);
 832         num_closed--;
 833         closed_tabs = realloc(closed_tabs, num_closed * sizeof(closed_tabs[0]));
 834         if (!closed_tabs) allocfail();
 835 }
 836 gboolean
 837 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 838 {
 839         struct Client *c = (struct Client *)data;
 840         gdouble now;
 841         if (event->type == GDK_KEY_PRESS) {
 842                 guint mask = gtk_accelerator_get_default_mod_mask();
 843                 int key = ((GdkEventKey *)event)->keyval;
 844                 if ((((GdkEventKey *)event)->state & mask) ==
 845                     GDK_CONTROL_MASK) {
 846                         const char *uri = webkit_web_view_get_uri(
 847                                 WEBKIT_WEB_VIEW(c->web_view));
 848                         if (GDK_KEY_y == key) {
 849                                 downloadmanager_show();
 850                                 return TRUE;
 851                         } else if (GDK_KEY_h == key) {
 852                                 webkit_web_view_go_back(
 853                                         WEBKIT_WEB_VIEW(c->web_view));
 854                                 return TRUE;
 855                         } else if (GDK_KEY_l == key) {
 856                                 webkit_web_view_go_forward(
 857                                         WEBKIT_WEB_VIEW(c->web_view));
 858                                 return TRUE;
 859                         } else if (GDK_KEY_s == key) {
 860                                 gtk_widget_grab_focus(c->location);
 861                                 return TRUE;
 862                         } else if (GDK_KEY_p == key) {
 863                                 WebKitPrintOperation *operation =
 864                                         webkit_print_operation_new(
 865                                                 WEBKIT_WEB_VIEW(c->web_view));
 866                                 GtkWidget *toplevel =
 867                                         gtk_widget_get_toplevel(mw.win);
 868                                 webkit_print_operation_run_dialog(
 869                                         operation, GTK_WINDOW(toplevel));
 870                                 return TRUE;
 871                         } else if (GDK_KEY_g == key) {
 872                                 isearch(c, 2);
 873                                 gtk_widget_grab_focus(c->web_view);
 874                                 if (uri)
 875                                         gtk_entry_set_text(
 876                                                 GTK_ENTRY(c->location), uri);
 877                                 webkit_web_view_run_javascript(
 878                                         WEBKIT_WEB_VIEW(c->web_view),
 879                                         "window.getSelection().removeAllRanges();"
 880                                         "document.activeElement.blur();",
 881                                         NULL, NULL, c);
 882                                 gtk_widget_hide(c->isearch_box);
 883                                 gtk_editable_set_position(
 884                                         GTK_EDITABLE(c->location), -1);
 885                                 gtk_editable_set_position(
 886                                         GTK_EDITABLE(c->wsearch), -1);
 887                                 return TRUE;
 888                         } else if (GDK_KEY_r == key) {
 889                                 webkit_web_view_reload_bypass_cache(
 890                                         WEBKIT_WEB_VIEW(c->web_view));
 891                                 return TRUE;
 892                         } else if (GDK_KEY_j == key) {
 893                                 for (int i = 0; i <= cfg_scroll_lines - 1;
 894                                      i++) {
 895                                         event->key.keyval = GDK_KEY_Down;
 896                                         gdk_event_put(event);
 897                                 }
 898                                 return TRUE;
 899                         } else if (GDK_KEY_k == key) {
 900                                 for (int i = 0; i <= cfg_scroll_lines - 1;
 901                                      i++) {
 902                                         event->key.keyval = GDK_KEY_Up;
 903                                         gdk_event_put(event);
 904                                 }
 905                                 return TRUE;
 906                         } else if (GDK_KEY_f == key) {
 907                                 isearch_init(c, 1);
 908                                 return TRUE;
 909                         } else if (GDK_KEY_q == key) {
 910                                 client_destroy(NULL, c);
 911                                 return TRUE;
 912                         } else if (GDK_KEY_1 == key) {
 913                                 gtk_notebook_set_current_page(
 914                                         GTK_NOTEBOOK(mw.notebook), 0);
 915                                 return TRUE;
 916                         } else if (GDK_KEY_2 == key) {
 917                                 gtk_notebook_set_current_page(
 918                                         GTK_NOTEBOOK(mw.notebook), 1);
 919                                 return TRUE;
 920                         } else if (GDK_KEY_3 == key) {
 921                                 gtk_notebook_set_current_page(
 922                                         GTK_NOTEBOOK(mw.notebook), 2);
 923                                 return TRUE;
 924                         } else if (GDK_KEY_4 == key) {
 925                                 gtk_notebook_set_current_page(
 926                                         GTK_NOTEBOOK(mw.notebook), 3);
 927                                 return TRUE;
 928                         } else if (GDK_KEY_5 == key) {
 929                                 gtk_notebook_set_current_page(
 930                                         GTK_NOTEBOOK(mw.notebook), 4);
 931                                 return TRUE;
 932                         } else if (GDK_KEY_6 == key) {
 933                                 gtk_notebook_set_current_page(
 934                                         GTK_NOTEBOOK(mw.notebook), 5);
 935                                 return TRUE;
 936                         } else if (GDK_KEY_7 == key) {
 937                                 gtk_notebook_set_current_page(
 938                                         GTK_NOTEBOOK(mw.notebook), 6);
 939                                 return TRUE;
 940                         } else if (GDK_KEY_8 == key) {
 941                                 gtk_notebook_set_current_page(
 942                                         GTK_NOTEBOOK(mw.notebook), 7);
 943                                 return TRUE;
 944                         } else if (GDK_KEY_9 == key) {
 945                                 gtk_notebook_set_current_page(
 946                                         GTK_NOTEBOOK(mw.notebook), 8);
 947                                 return TRUE;
 948                         } else if (GDK_KEY_u == key) {
 949                                 gtk_notebook_prev_page(
 950                                         GTK_NOTEBOOK(mw.notebook));
 951                                 return TRUE;
 952                         } else if (GDK_KEY_m == key) {
 953                                 gboolean muted = webkit_web_view_get_is_muted(
 954                                         WEBKIT_WEB_VIEW(c->web_view));
 955                                 webkit_web_view_set_is_muted(
 956                                         WEBKIT_WEB_VIEW(c->web_view), !muted);
 957                                 changed_title(G_OBJECT(c->web_view), NULL, c);
 958                                 return TRUE;
 959                         } else if (GDK_KEY_t == key) {
 960                                 client_new(cfg_home_uri, NULL, TRUE, TRUE);
 961                                 return TRUE;
 962                         } else if (GDK_KEY_bracketleft == key) {
 963                                 reopen_tab();
 964                                 return TRUE;
 965                         } else if ((GDK_KEY_i == key) || (GDK_KEY_Tab == key)) {
 966                                 gtk_notebook_next_page(
 967                                         GTK_NOTEBOOK(mw.notebook));
 968                                 return TRUE;
 969                         } else if (GDK_KEY_d == key) {
 970                                 gtk_widget_grab_focus(c->wsearch);
 971                                 return TRUE;
 972                         } else if (GDK_KEY_equal == key) {
 973                                 now = webkit_web_view_get_zoom_level(
 974                                         WEBKIT_WEB_VIEW(c->web_view));
 975                                 webkit_web_view_set_zoom_level(
 976                                         WEBKIT_WEB_VIEW(c->web_view),
 977                                         now + 0.1);
 978                                 return TRUE;
 979                         } else if (GDK_KEY_minus == key) {
 980                                 now = webkit_web_view_get_zoom_level(
 981                                         WEBKIT_WEB_VIEW(c->web_view));
 982                                 webkit_web_view_set_zoom_level(
 983                                         WEBKIT_WEB_VIEW(c->web_view),
 984                                         now - 0.1);
 985                                 return TRUE;
 986                         } else if (GDK_KEY_0 == key) {
 987                                 webkit_web_view_set_zoom_level(
 988                                         WEBKIT_WEB_VIEW(c->web_view), 1);
 989                                 return TRUE;
 990                         }
 991                 } else if ((((GdkEventKey *)event)->state & mask) ==
 992                            (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) {
 993                         if (GDK_KEY_ISO_Left_Tab == key) {
 994                                 gtk_notebook_prev_page(
 995                                         GTK_NOTEBOOK(mw.notebook));
 996                                 return TRUE;
 997                         } else if (GDK_KEY_T == key) {
 998                                 reopen_tab();
 999                                 return TRUE;
1000                         }
1001                 }
1002         }
1003         return FALSE;
1004 }
1005
1006 gboolean
1007 isearch_counted_matches(GtkWidget *widget, guint matches, gpointer data)
1008 {
1009         struct Client *c = (struct Client *)data;
1010         char *text = malloc(12);
1011         sprintf(text, "%d matches", matches);
1012         gtk_label_set_text(GTK_LABEL(c->isearch_matches), text);
1013         free(text);
1014         return TRUE;
1015 }
1016
1017 gboolean
1018 key_isearch(GtkWidget *widget, GdkEvent *event, gpointer data)
1019 {
1020         struct Client *c = (struct Client *)data;
1021         if (key_common(widget, event, data)) return TRUE;
1022
1023         if (event->type == GDK_KEY_PRESS) {
1024                 int key = ((GdkEventKey *)event)->keyval;
1025                 if ((GDK_KEY_KP_Enter == key) || (GDK_KEY_Return == key)) {
1026                         int direction = (((GdkEventKey *)event)->state &
1027                                          GDK_SHIFT_MASK) ?
1028                                                       -1 :
1029                                                       1;
1030                         isearch(c, 0);
1031                         isearch(c, -1);
1032                         isearch(c, direction);
1033                         return TRUE;
1034                 } else if (GDK_KEY_Escape == key) {
1035                         isearch(c, 2);
1036                         gtk_widget_hide(c->isearch_box);
1037                         gtk_widget_grab_focus(c->web_view);
1038                 }
1039         }
1040         return FALSE;
1041 }
1042
1043 gboolean
1044 key_wsearch(GtkWidget *widget, GdkEvent *event, gpointer data)
1045 {
1046         struct Client *c = (struct Client *)data;
1047         if (key_common(widget, event, data)) return TRUE;
1048
1049         if (event->type == GDK_KEY_PRESS) {
1050                 int key = ((GdkEventKey *)event)->keyval;
1051                 if ((GDK_KEY_KP_Enter == key) || (GDK_KEY_Return == key)) {
1052                         const gchar *t =
1053                                 gtk_entry_get_text(GTK_ENTRY(c->wsearch));
1054                         int len = strlen(cfg_search_engine) + strlen(t);
1055                         gchar *f = malloc(len + 1);
1056                         if (!f) allocfail();
1057
1058                         snprintf(f, len + 1, "%s%s", cfg_search_engine, t);
1059                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view),
1060                                                  f);
1061                         g_free(f);
1062                         gtk_widget_grab_focus(c->web_view);
1063                         return TRUE;
1064                 }
1065         }
1066         return FALSE;
1067 }
1068
1069 gboolean
1070 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
1071 {
1072         struct Client *c = (struct Client *)data;
1073         const gchar *t;
1074         if (key_common(widget, event, data)) return TRUE;
1075
1076         if (event->type == GDK_KEY_PRESS) {
1077                 int key = ((GdkEventKey *)event)->keyval;
1078                 if ((GDK_KEY_KP_Enter == key) || (GDK_KEY_Return == key)) {
1079                         gtk_widget_grab_focus(c->web_view);
1080                         t = gtk_entry_get_text(GTK_ENTRY(c->location));
1081                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view),
1082                                                  ensure_uri_scheme(t));
1083                         return TRUE;
1084                 } else if (GDK_KEY_Escape == key) {
1085                         t = webkit_web_view_get_uri(
1086                                 WEBKIT_WEB_VIEW(c->web_view));
1087                         gtk_entry_set_text(GTK_ENTRY(c->location),
1088                                            (t == NULL) ? "" : t);
1089                         return TRUE;
1090                 }
1091         }
1092         return FALSE;
1093 }
1094 gboolean
1095 key_tablabel(GtkWidget *widget, GdkEvent *event, gpointer data)
1096 {
1097         GdkScrollDirection direction;
1098         if (event->type == GDK_BUTTON_RELEASE) {
1099                 switch (((GdkEventButton *)event)->button) {
1100                 case 2:
1101                         client_destroy(NULL, data);
1102                         return TRUE;
1103                 }
1104         } else if (event->type == GDK_SCROLL) {
1105                 gdk_event_get_scroll_direction(event, &direction);
1106                 switch (direction) {
1107                 case GDK_SCROLL_UP:
1108                         gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
1109                         break;
1110                 case GDK_SCROLL_DOWN:
1111                         gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
1112                         break;
1113                 default:
1114                         break;
1115                 }
1116                 return TRUE;
1117         }
1118         return FALSE;
1119 }
1120
1121 gboolean
1122 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
1123 {
1124         struct Client *c = (struct Client *)data;
1125         gdouble dx, dy;
1126         gfloat z;
1127         if (key_common(c->web_view, event, data)) return TRUE;
1128
1129         if (event->type == GDK_KEY_PRESS) {
1130                 if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape) {
1131                         webkit_web_view_stop_loading(
1132                                 WEBKIT_WEB_VIEW(c->web_view));
1133                         gtk_entry_set_progress_fraction(GTK_ENTRY(c->location),
1134                                                         0);
1135                 }
1136         } else if (event->type == GDK_SCROLL) {
1137                 event->scroll.delta_y *= cfg_scroll_lines;
1138                 if (((GdkEventScroll *)event)->state & GDK_CONTROL_MASK) {
1139                         gdk_event_get_scroll_deltas(event, &dx, &dy);
1140                         z = webkit_web_view_get_zoom_level(
1141                                 WEBKIT_WEB_VIEW(c->web_view));
1142                         z += -dy * 0.1;
1143                         z = dx != 0 ? 1 : z;
1144                         webkit_web_view_set_zoom_level(
1145                                 WEBKIT_WEB_VIEW(c->web_view), z);
1146                         return TRUE;
1147                 }
1148         }
1149         return FALSE;
1150 }
1151
1152 void
1153 mainwindow_setup(void)
1154 {
1155         mw.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1156         gtk_window_set_default_size(GTK_WINDOW(mw.win), 1200, 900);
1157         g_signal_connect(G_OBJECT(mw.win), "destroy", gtk_main_quit, NULL);
1158
1159         gchar *priv = (cfg.private) ? "-private" : "";
1160         gchar *title = malloc(strlen(priv) + 7);
1161         if (!title) allocfail();
1162         sprintf(title, "%s%s", "chorizo", priv);
1163         gtk_window_set_title(GTK_WINDOW(mw.win), title);
1164         g_free(title);
1165
1166         mw.notebook = gtk_notebook_new();
1167         gtk_notebook_set_scrollable(GTK_NOTEBOOK(mw.notebook), TRUE);
1168         gtk_notebook_set_tab_pos(GTK_NOTEBOOK(mw.notebook), GTK_POS_LEFT);
1169         gtk_container_add(GTK_CONTAINER(mw.win), mw.notebook);
1170         g_signal_connect(G_OBJECT(mw.notebook), "switch-page",
1171                          G_CALLBACK(notebook_switch_page), NULL);
1172
1173         GtkCssProvider *css = gtk_css_provider_new();
1174         const char *css_data = "notebook header.left * { \
1175                                         margin: 0; \
1176                                         padding-top: 0; \
1177                                         padding-bottom: 0; \
1178                                 }";
1179         gtk_css_provider_load_from_data(css, css_data, strlen(css_data), NULL);
1180         gtk_style_context_add_provider_for_screen(
1181                 gdk_screen_get_default(), GTK_STYLE_PROVIDER(css),
1182                 GTK_STYLE_PROVIDER_PRIORITY_USER);
1183
1184         gtk_widget_show_all(mw.win);
1185 }
1186
1187 void
1188 mainwindow_title(gint idx)
1189 {
1190         GtkWidget *child, *widg, *tablabel;
1191         const gchar *text;
1192         child = gtk_notebook_get_nth_page(GTK_NOTEBOOK(mw.notebook), idx);
1193         if (child == NULL) return;
1194
1195         widg = gtk_notebook_get_tab_label(GTK_NOTEBOOK(mw.notebook), child);
1196         tablabel = (GtkWidget *)g_object_get_data(G_OBJECT(widg),
1197                                                   "chorizo-tab-label");
1198         text = gtk_label_get_text(GTK_LABEL(tablabel));
1199         gtk_window_set_title(GTK_WINDOW(mw.win), text);
1200 }
1201
1202 void
1203 notebook_switch_page(GtkNotebook *nb, GtkWidget *p, guint idx, gpointer data)
1204 {
1205         mainwindow_title(idx);
1206 }
1207
1208 gboolean
1209 quit_if_nothing_active(void)
1210 {
1211         if (clients == 0) {
1212                 if (downloads == 0) {
1213                         gtk_main_quit();
1214                         return TRUE;
1215                 } else {
1216                         downloadmanager_show();
1217                 }
1218         }
1219         return FALSE;
1220 }
1221 gboolean
1222 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
1223 {
1224         gchar *uri = NULL;
1225         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
1226         if (uri) {
1227                 g_strstrip(uri);
1228                 client_new(uri, NULL, TRUE, TRUE);
1229                 g_free(uri);
1230         }
1231         return TRUE;
1232 }
1233
1234 void
1235 show_web_view(WebKitWebView *web_view, gpointer data)
1236 {
1237         struct Client *c = (struct Client *)data;
1238         (void)web_view;
1239         gint idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
1240
1241         gtk_widget_show_all(GTK_WIDGET(
1242                 gtk_notebook_get_nth_page(GTK_NOTEBOOK(mw.notebook), idx)));
1243         gtk_widget_hide(c->isearch_box);
1244
1245         if (c->focus_new_tab) {
1246                 if (idx != -1)
1247                         gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook),
1248                                                       idx);
1249
1250                 gtk_widget_grab_focus(c->web_view);
1251         }
1252 }
1253
1254 void
1255 trust_user_certs(WebKitWebContext *wc)
1256 {
1257         GTlsCertificate *cert;
1258         gchar *basedir, *absfile;
1259         const gchar *file;
1260         GDir *dir = NULL;
1261         basedir = g_build_filename(g_get_user_data_dir(), "chorizo", "certs",
1262                                    NULL);
1263         dir = g_dir_open(basedir, 0, NULL);
1264         g_free(basedir);
1265         if (dir != NULL) {
1266                 file = g_dir_read_name(dir);
1267                 while (file != NULL) {
1268                         absfile = g_build_filename(g_get_user_data_dir(),
1269                                                    "chorizo", "certs", file,
1270                                                    NULL);
1271                         cert = g_tls_certificate_new_from_file(absfile, NULL);
1272                         g_free(absfile);
1273                         if (cert == NULL)
1274                                 fprintf(stderr,
1275                                         "chorizo: warning: could not load trusted cert: %s\n",
1276                                         file);
1277                         else
1278                                 webkit_web_context_allow_tls_certificate_for_host(
1279                                         wc, cert, file);
1280                         file = g_dir_read_name(dir);
1281                 }
1282                 g_dir_close(dir);
1283         }
1284 }
1285
1286 void
1287 version(void)
1288 {
1289         printf("%s %s\n", "chorizo", VERSION);
1290 }
1291
1292 int
1293 main(int argc, char **argv)
1294 {
1295         int opt, i;
1296
1297         // TODO:pretty this
1298         cfg.noncooperative_instances = FALSE;
1299         cfg.cooperative_alone = TRUE;
1300         closed_tabs = malloc(0);
1301         if (!closed_tabs) allocfail();
1302
1303         while ((opt = getopt(argc, argv, "cpvV")) != -1) {
1304                 switch (opt) {
1305                 case 'c':
1306                         cfg.noncooperative_instances = TRUE;
1307                         break;
1308                 case 'p':
1309                         cfg.private = TRUE;
1310                         break;
1311                 case 'v':
1312                         cfg.verbose = TRUE;
1313                         break;
1314                 case 'V':
1315                         version();
1316                         exit(0);
1317                 default:
1318                         fprintf(stderr,
1319                                 "usage: chorizo [OPTION]... [URI]...\n");
1320                         exit(EXIT_FAILURE);
1321                 }
1322         }
1323
1324         if (cfg.verbose) version();
1325
1326         gtk_init(&argc, &argv);
1327
1328         // Keep clipboard contents after program closes
1329         gtk_clipboard_store(gtk_clipboard_get_for_display(
1330                 gdk_display_get_default(), GDK_SELECTION_CLIPBOARD));
1331
1332         if (!cfg.noncooperative_instances) cooperation_setup();
1333
1334         if (cfg.noncooperative_instances || cfg.cooperative_alone)
1335                 init_default_web_context();
1336
1337         downloadmanager_setup();
1338         mainwindow_setup();
1339
1340         if (optind >= argc) {
1341                 client_new(cfg_home_uri, NULL, TRUE, TRUE);
1342         } else {
1343                 for (i = optind; i < argc; i++)
1344                         client_new(argv[i], NULL, TRUE, TRUE);
1345         }
1346
1347         if (cfg.noncooperative_instances || cfg.cooperative_alone) {
1348                 gtk_main();
1349                 remove(fifopath);
1350         }
1351
1352         exit(EXIT_SUCCESS);
1353 }