browser.c

   1 #include <fcntl.h>
   2 #include <limits.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <string.h>
   6 #include <sys/stat.h>
   7 #include <sys/types.h>
   8
   9 #include <JavaScriptCore/JavaScript.h>
  10 #include <gdk/gdkkeysyms.h>
  11 #include <gio/gio.h>
  12 #include <gtk/gtk.h>
  13 #include <gtk/gtkx.h>
  14 #include <webkit2/webkit2.h>
  15
  16 void client_destroy(GtkWidget *, gpointer);
  17 WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean,
  18                                                                                                         gboolean);
  19 WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  20                                                                                                                                         gpointer);
  21 void cooperation_setup(void);
  22 void changed_download_progress(GObject *, GParamSpec *, gpointer);
  23 void changed_load_progress(GObject *, GParamSpec *, gpointer);
  24 void changed_favicon(GObject *, GParamSpec *, gpointer);
  25 void changed_title(GObject *, GParamSpec *, gpointer);
  26 void changed_uri(GObject *, GParamSpec *, gpointer);
  27 gboolean crashed_web_view(WebKitWebView *, gpointer);
  28 gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  29                                                                                          WebKitPolicyDecisionType, gpointer);
  30 gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  31 void download_click(GtkToolButton *, gpointer);
  32 void download_start(WebKitWebView *, WebKitDownload *, gpointer);
  33 void download_cancel(GtkMenuItem *, gpointer);
  34 gboolean downloadmanager_delete(GtkWidget *, gpointer);
  35 void downloadmanager_setup(void);
  36 gchar *ensure_uri_scheme(const gchar *);
  37 void grab_environment_configuration(void);
  38 void grab_feeds_finished(GObject *, GAsyncResult *, gpointer);
  39 void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  40 void icon_location(GtkEntry *, GtkEntryIconPosition, GdkEvent *, gpointer);
  41 void init_default_web_context(void);
  42 gboolean key_common(GtkWidget *, GdkEvent *, gpointer);
  43 gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  44 gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  45 gboolean key_tablabel(GtkWidget *, GdkEvent *, gpointer);
  46 gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  47 void mainwindow_setup(void);
  48 void mainwindow_title(gint);
  49 void notebook_switch_page(GtkNotebook *, GtkWidget *, guint, gpointer);
  50 gboolean quit_if_nothing_active(void);
  51 gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  52 void run_user_scripts(WebKitWebView *);
  53 void search(gpointer, gint);
  54 void show_web_view(WebKitWebView *, gpointer);
  55 void trust_user_certs(WebKitWebContext *);
  56 GKeyFile *get_ini(void);
  57 GKeyFile *config;
  58
  59 struct Client
  60 {
  61         gchar *external_handler_uri;
  62         gchar *feed_html;
  63         gchar *hover_uri;
  64         GtkWidget *location;
  65         GtkWidget *tabicon;
  66         GtkWidget *tablabel;
  67         GtkWidget *vbox;
  68         GtkWidget *web_view;
  69         gboolean focus_new_tab;
  70 };
  71
  72 struct MainWindow
  73 {
  74         GtkWidget *win;
  75         GtkWidget *notebook;
  76 } mw;
  77
  78 struct DownloadManager
  79 {
  80         GtkWidget *scroll;
  81         GtkWidget *toolbar;
  82         GtkWidget *win;
  83 } dm;
  84
  85 struct Configuration
  86 {
  87         WebKitCookieAcceptPolicy cookie_policy;
  88         const gchar *accepted_language[2];
  89         gboolean cooperative_alone;
  90         gboolean cooperative_instances;
  91         gboolean enable_console_to_stdout;
  92         gboolean javascript_disabled;
  93         gboolean spellcheck_disabled;
  94         gchar *download_dir;
  95         gchar *fifo_suffix;
  96         gchar *history_file;
  97         gchar *home_uri;
  98         gchar *search_engine;
  99         gchar *spellcheck_language;
 100         gchar *user_agent;
 101         gdouble global_zoom;
 102         gint tab_width_chars;
 103 } cfg;
 104
 105 struct DownloadItem
 106 {
 107         GtkToolButton *tb;
 108         WebKitDownload *download;
 109 };
 110
 111 gint clients = 0, downloads = 0;
 112 int cooperative_pipe_fp = 0;
 113 gchar *search_text;
 114
 115 void
 116 client_destroy(GtkWidget *widget, gpointer data)
 117 {
 118         struct Client *c = (struct Client *)data;
 119         gint idx;
 120
 121         g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
 122                                                                                                                                                          changed_load_progress, c);
 123
 124         idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
 125         if (idx == -1)
 126                 fprintf(stderr, __NAME__": Tab index was -1, bamboozled\n");
 127         else
 128                 gtk_notebook_remove_page(GTK_NOTEBOOK(mw.notebook), idx);
 129
 130         free(c);
 131         clients--;
 132
 133         quit_if_nothing_active();
 134 }
 135
 136 WebKitWebView *
 137 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show,
 138                                          gboolean focus_tab)
 139 {
 140         struct Client *c;
 141         gchar *f;
 142         GtkWidget *evbox, *tabbox;
 143
 144         if (uri != NULL && cfg.cooperative_instances && !cfg.cooperative_alone) {
 145                 f = ensure_uri_scheme(uri);
 146                 write(cooperative_pipe_fp, f, strlen(f));
 147                 write(cooperative_pipe_fp, "\n", 1);
 148                 g_free(f);
 149                 return NULL;
 150         }
 151
 152         c = calloc(1, sizeof(struct Client));
 153         if (!c) {
 154                 fprintf(stderr, __NAME__": fatal: calloc failed\n");
 155                 exit(EXIT_FAILURE);
 156         }
 157
 158         c->focus_new_tab = focus_tab;
 159
 160         if (related_wv == NULL)
 161                 c->web_view = webkit_web_view_new();
 162         else
 163                 c->web_view = webkit_web_view_new_with_related_view(related_wv);
 164
 165         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), cfg.global_zoom);
 166         WebKitSettings *settings = webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view));
 167         webkit_settings_set_enable_javascript(settings, !cfg.javascript_disabled);
 168         g_signal_connect(G_OBJECT(c->web_view), "notify::favicon",
 169                                                                          G_CALLBACK(changed_favicon), c);
 170         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 171                                                                          G_CALLBACK(changed_title), c);
 172         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 173                                                                          G_CALLBACK(changed_uri), c);
 174         g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 175                                                                          G_CALLBACK(changed_load_progress), c);
 176         g_signal_connect(G_OBJECT(c->web_view), "create",
 177                                                                          G_CALLBACK(client_new_request), NULL);
 178         g_signal_connect(G_OBJECT(c->web_view), "close",
 179                                                                          G_CALLBACK(client_destroy), c);
 180         g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 181                                                                          G_CALLBACK(decide_policy), NULL);
 182         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 183                                                                          G_CALLBACK(key_web_view), c);
 184         g_signal_connect(G_OBJECT(c->web_view), "button-release-event",
 185                                                                          G_CALLBACK(key_web_view), c);
 186         g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 187                                                                          G_CALLBACK(key_web_view), c);
 188         g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 189                                                                          G_CALLBACK(hover_web_view), c);
 190         g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 191                                                                          G_CALLBACK(crashed_web_view), c);
 192
 193         if (cfg.user_agent != NULL)
 194                 g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 195                                                                  "user-agent", cfg.user_agent, NULL);
 196
 197         if (cfg.enable_console_to_stdout)
 198                 webkit_settings_set_enable_write_console_messages_to_stdout(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 199
 200         webkit_settings_set_enable_developer_extras(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 201
 202         c->location = gtk_entry_new();
 203         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 204                                                                          G_CALLBACK(key_location), c);
 205         g_signal_connect(G_OBJECT(c->location), "icon-release",
 206                                                                          G_CALLBACK(icon_location), c);
 207         /* XXX This is a workaround. Setting this to NULL (which is done in
 208          * grab_feeds_finished() if no feed has been detected) adds a little
 209          * padding left of the text. Not sure why. The point of this call
 210          * right here is to have that padding right from the start. This
 211          * avoids a graphical artifact. */
 212         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 213                                                                                                                                                 GTK_ENTRY_ICON_PRIMARY,
 214                                                                                                                                                 NULL);
 215
 216         c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 217         gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 218         gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 219         gtk_container_set_focus_child(GTK_CONTAINER(c->vbox), c->web_view);
 220
 221         c->tabicon = gtk_image_new_from_icon_name("text-html", GTK_ICON_SIZE_SMALL_TOOLBAR);
 222
 223         c->tablabel = gtk_label_new(__NAME__);
 224         gtk_label_set_ellipsize(GTK_LABEL(c->tablabel), PANGO_ELLIPSIZE_END);
 225         gtk_label_set_width_chars(GTK_LABEL(c->tablabel), cfg.tab_width_chars);
 226         gtk_widget_set_has_tooltip(c->tablabel, TRUE);
 227
 228         /* XXX I don't own a HiDPI screen, so I don't know if scale_factor
 229          * does the right thing. */
 230         tabbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,
 231                                                                                          5 * gtk_widget_get_scale_factor(mw.win));
 232         gtk_box_pack_start(GTK_BOX(tabbox), c->tabicon, FALSE, FALSE, 0);
 233         gtk_box_pack_start(GTK_BOX(tabbox), c->tablabel, TRUE, TRUE, 0);
 234
 235         evbox = gtk_event_box_new();
 236         gtk_container_add(GTK_CONTAINER(evbox), tabbox);
 237         g_signal_connect(G_OBJECT(evbox), "button-release-event",
 238                                                                          G_CALLBACK(key_tablabel), c);
 239
 240         gtk_widget_add_events(evbox, GDK_SCROLL_MASK);
 241         g_signal_connect(G_OBJECT(evbox), "scroll-event",
 242                                                                          G_CALLBACK(key_tablabel), c);
 243
 244         /* For easy access, store a reference to our label. */
 245         g_object_set_data(G_OBJECT(evbox), "lariza-tab-label", c->tablabel);
 246
 247         /* This only shows the event box and the label inside, nothing else.
 248          * Needed because the evbox/label is "internal" to the notebook and
 249          * not part of the normal "widget tree" (IIUC). */
 250         gtk_widget_show_all(evbox);
 251
 252         gtk_notebook_insert_page(GTK_NOTEBOOK(mw.notebook), c->vbox, evbox,
 253                                                                                                          gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)) + 1);
 254         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(mw.notebook), c->vbox, TRUE);
 255
 256         if (show)
 257                 show_web_view(NULL, c);
 258         else
 259                 g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 260                                                                                  G_CALLBACK(show_web_view), c);
 261
 262         if (uri != NULL) {
 263                 f = ensure_uri_scheme(uri);
 264                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 265                 g_free(f);
 266         }
 267
 268         clients++;
 269
 270         return WEBKIT_WEB_VIEW(c->web_view);
 271 }
 272
 273 WebKitWebView *
 274 client_new_request(WebKitWebView *web_view,
 275                                                                          WebKitNavigationAction *navigation_action, gpointer data)
 276 {
 277         return client_new(NULL, web_view, FALSE, FALSE);
 278 }
 279
 280 void
 281 cooperation_setup(void)
 282 {
 283         GIOChannel *towatch;
 284         gchar *fifofilename, *fifopath;
 285
 286         fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", cfg.fifo_suffix);
 287         fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 288         g_free(fifofilename);
 289
 290         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 291                 mkfifo(fifopath, 0600);
 292
 293         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 294         if (!cooperative_pipe_fp) {
 295                 fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 296         } else {
 297                 if (write(cooperative_pipe_fp, "", 0) == -1) {
 298                         /* Could not do an empty write to the FIFO which means there's
 299                          * no one listening. */
 300                         close(cooperative_pipe_fp);
 301                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 302                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 303                 } else {
 304                         cfg.cooperative_alone = FALSE;
 305                 }
 306         }
 307
 308         g_free(fifopath);
 309 }
 310
 311 void
 312 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 313 {
 314         WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 315         WebKitURIResponse *resp;
 316         GtkToolItem *tb = GTK_TOOL_ITEM(data);
 317         gdouble p, size_mb;
 318         const gchar *uri;
 319         gchar *t, *filename, *base;
 320
 321         p = webkit_download_get_estimated_progress(download);
 322         p = p > 1 ? 1 : p;
 323         p = p < 0 ? 0 : p;
 324         p *= 100;
 325         resp = webkit_download_get_response(download);
 326         size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 327
 328         uri = webkit_download_get_destination(download);
 329         filename = g_filename_from_uri(uri, NULL, NULL);
 330         if (filename == NULL) {
 331                 /* This really should not happen because WebKit uses that URI to
 332                  * write to a file... */
 333                 fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 334                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 335                                                                                                 webkit_uri_response_get_uri(resp), p, size_mb);
 336         } else {
 337                 base = g_path_get_basename(filename);
 338                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 339                 g_free(filename);
 340                 g_free(base);
 341         }
 342         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 343         g_free(t);
 344 }
 345
 346 void
 347 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 348 {
 349         struct Client *c = (struct Client *)data;
 350         gdouble p;
 351         gchar *grab_feeds =
 352                 "a = document.querySelectorAll('"
 353                 "    html > head > link[rel=\"alternate\"][href][type=\"application/atom+xml\"],"
 354                 "    html > head > link[rel=\"alternate\"][href][type=\"application/rss+xml\"]"
 355                 "');"
 356                 "if (a.length == 0)"
 357                 "    null;"
 358                 "else"
 359                 "{"
 360                 "    out = '';"
 361                 "    for (i = 0; i < a.length; i++)"
 362                 "    {"
 363                 "        url = encodeURIComponent(a[i].href);"
 364                 "        if ('title' in a[i] && a[i].title != '')"
 365                 "            title = encodeURIComponent(a[i].title);"
 366                 "        else"
 367                 "            title = url;"
 368                 "        out += '<li><a href=\"' + url + '\">' + title + '</a></li>';"
 369                 "    }"
 370                 "    out;"
 371                 "}";
 372
 373
 374         p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 375         if (p == 1) {
 376                 p = 0;
 377
 378                 /* The page has loaded fully. We now run the short JavaScript
 379                  * snippet above that operates on the DOM. It tries to grab all
 380                  * occurences of <link rel="alternate" ...>, i.e. RSS/Atom feed
 381                  * references. */
 382                 webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view),
 383                                                                                                                                          grab_feeds, NULL,
 384                                                                                                                                          grab_feeds_finished, c);
 385
 386                 run_user_scripts(WEBKIT_WEB_VIEW(c->web_view));
 387         }
 388         gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 389 }
 390
 391 void
 392 changed_favicon(GObject *obj, GParamSpec *pspec, gpointer data)
 393 {
 394         struct Client *c = (struct Client *)data;
 395         cairo_surface_t *f;
 396         int w, h, w_should, h_should;
 397         GdkPixbuf *pb, *pb_scaled;
 398
 399         f = webkit_web_view_get_favicon(WEBKIT_WEB_VIEW(c->web_view));
 400         if (f == NULL) {
 401                 gtk_image_set_from_icon_name(GTK_IMAGE(c->tabicon), "text-html",
 402                                                                                                                                  GTK_ICON_SIZE_SMALL_TOOLBAR);
 403         } else {
 404                 w = cairo_image_surface_get_width(f);
 405                 h = cairo_image_surface_get_height(f);
 406                 pb = gdk_pixbuf_get_from_surface(f, 0, 0, w, h);
 407                 if (pb != NULL) {
 408                         w_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 409                         h_should = 16 * gtk_widget_get_scale_factor(c->tabicon);
 410                         pb_scaled = gdk_pixbuf_scale_simple(pb, w_should, h_should,
 411                                                                                                                                                                         GDK_INTERP_BILINEAR);
 412                         gtk_image_set_from_pixbuf(GTK_IMAGE(c->tabicon), pb_scaled);
 413
 414                         g_object_unref(pb_scaled);
 415                         g_object_unref(pb);
 416                 }
 417         }
 418 }
 419
 420 void
 421 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 422 {
 423         const gchar *t, *u;
 424         struct Client *c = (struct Client *)data;
 425
 426         u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 427         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 428
 429         u = u == NULL ? __NAME__ : u;
 430         u = u[0] == 0 ? __NAME__ : u;
 431
 432         t = t == NULL ? u : t;
 433         t = t[0] == 0 ? u : t;
 434
 435         gtk_label_set_text(GTK_LABEL(c->tablabel), t);
 436         gtk_widget_set_tooltip_text(c->tablabel, t);
 437         mainwindow_title(gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)));
 438 }
 439
 440 void
 441 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 442 {
 443         const gchar *t;
 444         struct Client *c = (struct Client *)data;
 445         FILE *fp;
 446
 447         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 448
 449         /* When a web process crashes, we get a "notify::uri" signal, but we
 450          * can no longer read a meaningful URI. It's just an empty string
 451          * now. Not updating the location bar in this scenario is important,
 452          * because we would override the "WEB PROCESS CRASHED" message. */
 453         if (t != NULL && strlen(t) > 0) {
 454                 gtk_entry_set_text(GTK_ENTRY(c->location), t);
 455
 456                 if (cfg.history_file != NULL) {
 457                         fp = fopen(cfg.history_file, "a");
 458                         if (fp != NULL) {
 459                                 fprintf(fp, "%s\n", t);
 460                                 fclose(fp);
 461                         } else {
 462                                 perror(__NAME__": Error opening history file");
 463                         }
 464                 }
 465         }
 466 }
 467
 468 gboolean
 469 crashed_web_view(WebKitWebView *web_view, gpointer data)
 470 {
 471         gchar *t;
 472         struct Client *c = (struct Client *)data;
 473
 474         t = g_strdup_printf("WEB PROCESS CRASHED: %s",
 475                                                                                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
 476         gtk_entry_set_text(GTK_ENTRY(c->location), t);
 477         g_free(t);
 478
 479         return TRUE;
 480 }
 481
 482 gboolean
 483 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 484                                                         WebKitPolicyDecisionType type, gpointer data)
 485 {
 486         WebKitResponsePolicyDecision *r;
 487
 488         switch (type) {
 489         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 490                 r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 491                 if (!webkit_response_policy_decision_is_mime_type_supported(r))
 492                         webkit_policy_decision_download(decision);
 493                 else
 494                         webkit_policy_decision_use(decision);
 495                 break;
 496         default:
 497                 /* Use whatever default there is. */
 498                 return FALSE;
 499         }
 500         return TRUE;
 501 }
 502
 503 void
 504 download_finished(WebKitDownload *download, gpointer data)
 505 {
 506         if (strcmp(gtk_tool_button_get_icon_name(GTK_TOOL_BUTTON(data)),
 507                                                  "dialog-error") != 0)
 508                 gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(data), "emblem-downloads");
 509         downloads--;
 510 }
 511
 512 void
 513 download_start(WebKitWebView *web_view, WebKitDownload *download,
 514                                                          gpointer data)
 515 {
 516         g_signal_connect(G_OBJECT(download), "decide-destination",
 517                                                                          G_CALLBACK(download_handle), data);
 518 }
 519
 520 gboolean
 521 download_handle(WebKitDownload *download, gchar *suggested_filename,
 522                                                                 gpointer data)
 523 {
 524         gchar *sug_clean, *path, *path2 = NULL, *uri;
 525         GtkToolItem *tb;
 526         int suffix = 1;
 527         size_t i;
 528
 529         sug_clean = g_strdup(suggested_filename);
 530         for (i = 0; i < strlen(sug_clean); i++)
 531                 if (sug_clean[i] == G_DIR_SEPARATOR)
 532                         sug_clean[i] = '_';
 533
 534         path = g_build_filename(cfg.download_dir, sug_clean, NULL);
 535         path2 = g_strdup(path);
 536         while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000) {
 537                 g_free(path2);
 538
 539                 path2 = g_strdup_printf("%s.%d", path, suffix);
 540                 suffix++;
 541         }
 542
 543         if (suffix == 1000) {
 544                 fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 545                 webkit_download_cancel(download);
 546         } else {
 547                 uri = g_filename_to_uri(path2, NULL, NULL);
 548                 webkit_download_set_destination(download, uri);
 549                 g_free(uri);
 550
 551                 tb = gtk_tool_button_new(NULL, NULL);
 552                 gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "network-receive");
 553                 gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 554                 gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 555                 gtk_widget_show_all(dm.win);
 556
 557                 g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 558                                                                                  G_CALLBACK(changed_download_progress), tb);
 559
 560                 downloads++;
 561                 g_signal_connect(G_OBJECT(download), "finished",
 562                                                                                  G_CALLBACK(download_finished), tb);
 563
 564                 g_object_ref(download);
 565
 566                 struct DownloadItem *payload = malloc(sizeof(*payload));
 567                 payload->tb = (GtkToolButton *)tb;
 568                 payload->download = download;
 569                 g_signal_connect(G_OBJECT(tb), "clicked", G_CALLBACK(download_click),
 570                                                                                  payload);
 571                 g_signal_connect(G_OBJECT(tb), "failed", G_CALLBACK(download_cancel),
 572                                                                                  payload);
 573                 g_signal_connect(G_OBJECT(tb), "destroy_event", G_CALLBACK(g_free),
 574                                                                                  payload);
 575         }
 576
 577         g_free(sug_clean);
 578         g_free(path);
 579         g_free(path2);
 580
 581         /* Propagate -- to whom it may concern. */
 582         return FALSE;
 583 }
 584
 585 void
 586 download_cancel(GtkMenuItem *tb, gpointer data)
 587 {
 588         struct DownloadItem *payload = data;
 589         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(payload->tb), "dialog-error");
 590         webkit_download_cancel(payload->download);
 591 }
 592
 593 void
 594 download_remove(GtkMenuItem *tb, gpointer data)
 595 {
 596         struct DownloadItem *payload = data;
 597         g_object_unref(payload->download);
 598         gtk_widget_destroy(GTK_WIDGET(payload->tb));
 599 }
 600
 601 void
 602 download_copy_url(GtkMenuItem *tb, gpointer data)
 603 {
 604         struct DownloadItem *payload = data;
 605         WebKitURIRequest *req = webkit_download_get_request(payload->download);
 606         const gchar *uri = webkit_uri_request_get_uri(req);
 607         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri,
 608                                                                                                  strlen(uri));
 609 }
 610
 611 void
 612 download_copy_path(GtkMenuItem *tb, gpointer data)
 613 {
 614         struct DownloadItem *payload = data;
 615         const gchar *path = webkit_download_get_destination(payload->download);
 616         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), path + 7,
 617                                                                                                  strlen(path) - 7); // Offset by 7 to remove "file://"
 618 }
 619
 620 void
 621 download_click(GtkToolButton *tb, gpointer data)
 622 {
 623   GtkWidget *pmenu = gtk_menu_new();
 624         GtkWidget *option;
 625
 626         if (strcmp(gtk_tool_button_get_icon_name(GTK_TOOL_BUTTON(tb)),
 627                                                  "network-receive") == 0) {
 628                 option = gtk_menu_item_new_with_label("Cancel download");
 629                 g_signal_connect(G_OBJECT(option), "activate",
 630                                                                                  G_CALLBACK(download_cancel), data);
 631         } else {
 632                 option = gtk_menu_item_new_with_label("Remove download");
 633                 g_signal_connect(G_OBJECT(option), "activate",
 634                                                                                  G_CALLBACK(download_remove), data);
 635         }
 636         gtk_widget_show(option);
 637         gtk_menu_shell_append(GTK_MENU_SHELL(pmenu), option);
 638
 639         option = gtk_menu_item_new_with_label("Copy download URL");
 640         gtk_widget_show(option);
 641         gtk_menu_shell_append(GTK_MENU_SHELL(pmenu), option);
 642         g_signal_connect(G_OBJECT(option), "activate",
 643                                                                          G_CALLBACK(download_copy_url), data);
 644
 645         option = gtk_menu_item_new_with_label("Copy local path");
 646         gtk_widget_show(option);
 647         gtk_menu_shell_append(GTK_MENU_SHELL(pmenu), option);
 648         g_signal_connect(G_OBJECT(option), "activate",
 649                                                                          G_CALLBACK(download_copy_path), data);
 650
 651         gtk_menu_popup_at_pointer(GTK_MENU(pmenu), NULL);
 652 }
 653
 654 gboolean
 655 downloadmanager_delete(GtkWidget *obj, gpointer data)
 656 {
 657         if (!quit_if_nothing_active())
 658                 gtk_widget_hide(dm.win);
 659
 660         return TRUE;
 661 }
 662
 663 void
 664 downloadmanager_setup(void)
 665 {
 666         dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 667         gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 668         gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 669         gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 670         g_signal_connect(G_OBJECT(dm.win), "delete-event",
 671                                                                          G_CALLBACK(downloadmanager_delete), NULL);
 672         g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 673                                                                          G_CALLBACK(key_downloadmanager), NULL);
 674
 675         dm.toolbar = gtk_toolbar_new();
 676         gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 677                                                                                                                                  GTK_ORIENTATION_VERTICAL);
 678         gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 679         gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 680
 681         dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 682         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 683                                                                                                                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 684         gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 685
 686         gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 687 }
 688
 689 gchar *
 690 ensure_uri_scheme(const gchar *t)
 691 {
 692         gchar *f, *fabs;
 693
 694         f = g_ascii_strdown(t, -1);
 695         if (!g_str_has_prefix(f, "http:") &&
 696                         !g_str_has_prefix(f, "https:") &&
 697                         !g_str_has_prefix(f, "file:") &&
 698                         !g_str_has_prefix(f, "about:") &&
 699                         !g_str_has_prefix(f, "data:") &&
 700                         !g_str_has_prefix(f, "webkit:")) {
 701                 g_free(f);
 702                 fabs = realpath(t, NULL);
 703                 if (fabs != NULL) {
 704                         f = g_strdup_printf("file://%s", fabs);
 705                         free(fabs);
 706                 } else {
 707                         f = g_strdup_printf("http://%s", t);
 708                 }
 709                 return f;
 710         } else
 711                 return g_strdup(t);
 712 }
 713
 714 void
 715 get_config(void)
 716 {
 717         cfg.accepted_language[0] = NULL;
 718         cfg.accepted_language[1] = NULL;
 719         cfg.cooperative_alone = TRUE;
 720         cfg.cooperative_alone = TRUE;
 721         cfg.fifo_suffix = "main";
 722
 723         const char *e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 724         if (e != NULL)
 725                 cfg.fifo_suffix = g_strdup(e);
 726
 727         char *xdg_down = getenv("XDG_DOWNLOAD_DIR");
 728         cfg.download_dir = (xdg_down) ? xdg_down : "/var/tmp";
 729
 730         config = get_ini();
 731         cfg.accepted_language[0] = g_key_file_get_string(config, "browser",
 732                                                                                                                                                                                                          "accepted_language", NULL);
 733         cfg.history_file = g_key_file_get_string(config, "browser", "history_file",
 734                                                                                                                                                                          NULL);
 735         cfg.home_uri = g_key_file_get_string(config, "browser", "homepage", NULL);
 736         cfg.home_uri = (cfg.home_uri) ? cfg.home_uri : "about:blank";
 737         cfg.enable_console_to_stdout = g_key_file_get_boolean(config, "browser",
 738                                                                                                                                                                                                                                 "console_to_stdout",
 739                                                                                                                                                                                                                                 NULL);
 740         cfg.user_agent = g_key_file_get_string(config, "browser", "user_agent", NULL);
 741         cfg.javascript_disabled = g_key_file_get_boolean(config, "browser",
 742                                                                                                                                                                                                          "javascript_disabled", NULL);
 743         char *input_cookie_policy = g_key_file_get_string(config, "browser",
 744                                                                                                                                                                                                                 "cookie_policy", NULL);
 745         cfg.cookie_policy = WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 746         if (input_cookie_policy) {
 747                 if (strcmp(input_cookie_policy, "all") == 0) {
 748                         cfg.cookie_policy = WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 749                 } else if (strcmp(input_cookie_policy, "none") == 0) {
 750                         cfg.cookie_policy = WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 751                 }
 752         }
 753
 754         cfg.tab_width_chars = g_key_file_get_integer(config, "ui", "tab_width", NULL);
 755         cfg.tab_width_chars = (cfg.tab_width_chars) ? cfg.tab_width_chars : 20;
 756         cfg.global_zoom = g_key_file_get_double(config, "ui", "zoom_level", NULL);
 757         cfg.global_zoom = (cfg.global_zoom) ? cfg.global_zoom : 1.0;
 758         cfg.search_engine = g_key_file_get_string(config, "ui", "search_engine",
 759                                                                                                                                                                                 NULL);
 760         cfg.search_engine = (cfg.search_engine) ? cfg.search_engine :
 761                 "https://duckduckgo.com?q=";
 762         cfg.spellcheck_disabled = g_key_file_get_boolean(config, "ui",
 763                                                                                                                                                                                                          "spellcheck_disabled", NULL);
 764         cfg.spellcheck_language = g_key_file_get_string(config, "ui",
 765                                                                                                                                                                                                                                 "spellcheck_language",
 766                                                                                                                                                                                                                                 NULL);
 767         cfg.spellcheck_language = (cfg.spellcheck_language) ? cfg.spellcheck_language
 768                 : "en_US";
 769 }
 770
 771 void
 772 grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data)
 773 {
 774         struct Client *c = (struct Client *)data;
 775         WebKitJavascriptResult *js_result;
 776         JSCValue *value;
 777         JSCException *exception;
 778         GError *err = NULL;
 779         gchar *str_value;
 780
 781         g_free(c->feed_html);
 782         c->feed_html = NULL;
 783
 784         /* This was taken almost verbatim from the example in WebKit's
 785          * documentation:
 786          *
 787          * https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html#webkit-web-view-run-javascript-finish */
 788
 789         js_result = webkit_web_view_run_javascript_finish(WEBKIT_WEB_VIEW(object),
 790                                                                                                                                                                                                                 result, &err);
 791         if (!js_result) {
 792                 fprintf(stderr, __NAME__": Error running javascript: %s\n", err->message);
 793                 g_error_free(err);
 794                 return;
 795         }
 796
 797         value = webkit_javascript_result_get_js_value(js_result);
 798         if (jsc_value_is_string(value)) {
 799                 str_value = jsc_value_to_string(value);
 800                 exception = jsc_context_get_exception(jsc_value_get_context(value));
 801                 if (exception != NULL) {
 802                         fprintf(stderr, __NAME__": Error running javascript: %s\n",
 803                                                         jsc_exception_get_message(exception));
 804                 } else {
 805                         c->feed_html = str_value;
 806                 }
 807
 808                 gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 809                                                                                                                                                         GTK_ENTRY_ICON_PRIMARY,
 810                                                                                                                                                         "application-rss+xml-symbolic");
 811                 gtk_entry_set_icon_activatable(GTK_ENTRY(c->location),
 812                                                                                                                                          GTK_ENTRY_ICON_PRIMARY,
 813                                                                                                                                          TRUE);
 814         } else {
 815                 gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 816                                                                                                                                                         GTK_ENTRY_ICON_PRIMARY,
 817                                                                                                                                                         NULL);
 818         }
 819
 820         webkit_javascript_result_unref(js_result);
 821 }
 822
 823 void
 824 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 825                                                          gpointer data)
 826 {
 827         struct Client *c = (struct Client *)data;
 828         const char *to_show;
 829
 830         g_free(c->hover_uri);
 831
 832         if (webkit_hit_test_result_context_is_link(ht)) {
 833                 to_show = webkit_hit_test_result_get_link_uri(ht);
 834                 c->hover_uri = g_strdup(to_show);
 835         } else {
 836                 to_show = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 837                 c->hover_uri = NULL;
 838         }
 839
 840         if (!gtk_widget_is_focus(c->location))
 841                 gtk_entry_set_text(GTK_ENTRY(c->location), to_show);
 842 }
 843
 844 void
 845 icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event,
 846                                                         gpointer data)
 847 {
 848         struct Client *c = (struct Client *)data;
 849         gchar *d;
 850         gchar *data_template =
 851                 "data:text/html,"
 852                 "<!DOCTYPE html>"
 853                 "<html>"
 854                 "    <head>"
 855                 "        <meta charset=\"UTF-8\">"
 856                 "        <title>Feeds</title>"
 857                 "    </head>"
 858                 "    <body>"
 859                 "        <p>Feeds found on this page:</p>"
 860                 "        <ul>"
 861                 "        %s"
 862                 "        </ul>"
 863                 "    </body>"
 864                 "</html>";
 865
 866         if (c->feed_html != NULL)
 867                 {
 868                         /* What we're actually trying to do is show a simple HTML page
 869                          * that lists all the feeds on the current page. The function
 870                          * webkit_web_view_load_html() looks like the proper way to do
 871                          * that. Sad thing is, it doesn't create a history entry, but
 872                          * instead simply replaces the content of the current page. This
 873                          * is not what we want.
 874                          *
 875                          * RFC 2397 [0] defines the data URI scheme [1]. We abuse this
 876                          * mechanism to show my custom HTML snippet *and* create a
 877                          * history entry.
 878                          *
 879                          * [0]: https://tools.ietf.org/html/rfc2397
 880                          * [1]: https://en.wikipedia.org/wiki/Data_URI_scheme */
 881                         d = g_strdup_printf(data_template, c->feed_html);
 882                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d);
 883                         g_free(d);
 884                 }
 885 }
 886
 887 void
 888 init_default_web_context(void)
 889 {
 890         gchar *p;
 891         WebKitWebContext *wc;
 892         WebKitCookieManager *cm;
 893
 894         wc = webkit_web_context_get_default();
 895
 896         p = g_build_filename(g_get_user_config_dir(), __NAME__, "adblock", NULL);
 897         webkit_web_context_set_sandbox_enabled(wc, TRUE);
 898         webkit_web_context_add_path_to_sandbox(wc, p, TRUE);
 899         g_free(p);
 900
 901         webkit_web_context_set_process_model(wc,
 902                                                                                                                                                          WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
 903
 904         p = g_build_filename(g_get_user_data_dir(), __NAME__, "web_extensions",
 905                                                                                          NULL);
 906         webkit_web_context_set_web_extensions_directory(wc, p);
 907         g_free(p);
 908
 909         if (cfg.accepted_language[0] != NULL)
 910                 webkit_web_context_set_preferred_languages(wc, cfg.accepted_language);
 911
 912         g_signal_connect(G_OBJECT(wc), "download-started",
 913                                                                          G_CALLBACK(download_start), NULL);
 914
 915         trust_user_certs(wc);
 916
 917         cm = webkit_web_context_get_cookie_manager(wc);
 918         webkit_cookie_manager_set_accept_policy(cm, cfg.cookie_policy);
 919
 920         webkit_web_context_set_favicon_database_directory(wc, NULL);
 921         webkit_cookie_manager_set_persistent_storage(cm,
 922                                                                                                                                                                                          g_build_filename("/",
 923                                                                                                                                                                                                                                                                 g_get_user_cache_dir(),
 924                                                                                                                                                                                                                                                                 __NAME__,
 925                                                                                                                                                                                                                                                                 "cookies.db",
 926                                                                                                                                                                                                                                                                 NULL),
 927                                                                                                                                                                                          WEBKIT_COOKIE_PERSISTENT_STORAGE_SQLITE);
 928
 929         const gchar * const languages[2] = {(const gchar *)cfg.spellcheck_language,
 930                 NULL};
 931         webkit_web_context_set_spell_checking_languages(wc, languages);
 932         webkit_web_context_set_spell_checking_enabled(wc, !cfg.spellcheck_disabled);
 933 }
 934
 935 void
 936 search(gpointer data, gint direction)
 937 {
 938         struct Client *c = (struct Client *)data;
 939         WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 940         WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 941
 942         if (search_text == NULL)
 943                 return;
 944
 945         switch (direction) {
 946         case 0:
 947                 webkit_find_controller_search(fc, search_text,
 948                                                                                                                                         WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 949                                                                                                                                         WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 950                                                                                                                                         G_MAXUINT);
 951                 break;
 952         case 1:
 953                 webkit_find_controller_search_next(fc);
 954                 break;
 955         case -1:
 956                 webkit_find_controller_search_previous(fc);
 957                 break;
 958         case 2:
 959                 webkit_find_controller_search_finish(fc);
 960                 break;
 961         }
 962 }
 963
 964 void
 965 search_init(struct Client *c, int direction)
 966 {
 967         gtk_widget_grab_focus(c->location);
 968         const gchar *contents = gtk_entry_get_text(GTK_ENTRY(c->location));
 969         if (strcspn(contents, "s/")) {
 970                 gtk_entry_set_text(GTK_ENTRY(c->location), "s/");
 971         }
 972         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 973         search(c, 0);
 974         search(c, -1);
 975         search(c, direction);
 976 }
 977
 978 int
 979 def_key(char *key, unsigned int def)
 980 {
 981         char *conf = g_key_file_get_string(config, "keybindings", key, NULL);
 982         return (conf) ? gdk_keyval_from_name((conf) ? conf : NULL) : def;
 983 }
 984
 985 gboolean
 986 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 987 {
 988         struct Client *c = (struct Client *)data;
 989         gdouble now;
 990         gchar *f;
 991
 992         if (event->type == GDK_KEY_PRESS) {
 993                 if (((GdkEventKey *)event)->state & GDK_CONTROL_MASK) {
 994                         WebKitSettings *settings = webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view));
 995                         gboolean js = webkit_settings_get_enable_javascript(settings);
 996                         int key = ((GdkEventKey *)event)->keyval;
 997                         if (def_key("download_manager", GDK_KEY_y) == key) {
 998                                 gtk_widget_show_all(dm.win);
 999                                 return TRUE;
1000                         } else if (def_key("history_back", GDK_KEY_h) == key) {
1001                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
1002                                 return TRUE;
1003                         } else if (def_key("history_forwards", GDK_KEY_l) == key) {
1004                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
1005                                 return TRUE;
1006                         } else if (def_key("location", GDK_KEY_t) == key) {
1007                                 gtk_widget_grab_focus(c->location);
1008                                 const char *uri = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
1009                                 const char *goal = (uri) ? uri : "https://";
1010                                 gtk_entry_set_text(GTK_ENTRY(c->location), goal);
1011                                 gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
1012                                 return TRUE;
1013                         } else if (def_key("print", GDK_KEY_Print) == key) {
1014                                 webkit_print_operation_run_dialog(webkit_print_operation_new(WEBKIT_WEB_VIEW(c->web_view)),
1015                                                                                                                                                                         GTK_WINDOW(gtk_widget_get_toplevel(mw.win)));
1016                                 return TRUE;
1017                         } else if (def_key("quit", GDK_KEY_g) == key) {
1018                                 search(c, 2);
1019                                 gtk_widget_grab_focus(c->web_view);
1020                                 gtk_entry_set_text(GTK_ENTRY(c->location),
1021                                                                                                          webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
1022                                 webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view),
1023                                                                                                                                                          "window.getSelection().removeAllRanges();"
1024                                                                                                                                                          "document.activeElement.blur();",
1025                                                                                                                                                          NULL, NULL, c);
1026                                 return TRUE;
1027                         } else if (def_key("reload", GDK_KEY_e) == key) {
1028                                 webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(c->web_view));
1029                                 return TRUE;
1030                         } else if (def_key("scroll_line_down", GDK_KEY_j) == key) {
1031                                 for (int i = 0; i < 2; i++) {
1032                                         event->key.keyval = GDK_KEY_Down;
1033                                         gdk_event_put(event);
1034                                 }
1035                                 return TRUE;
1036                         } else if (def_key("scroll_line_up", GDK_KEY_k) == key) {
1037                                 event->key.keyval = GDK_KEY_Up;
1038                                 gdk_event_put(event);
1039                                 return TRUE;
1040                         } else if (def_key("scroll_page_down", GDK_KEY_f) == key) {
1041                                 event->key.keyval = GDK_KEY_Page_Down;
1042                                 gdk_event_put(event);
1043                                 return TRUE;
1044                         } else if (def_key("scroll_page_up", GDK_KEY_b) == key) {
1045                                 event->key.keyval = GDK_KEY_Page_Up;
1046                                 gdk_event_put(event);
1047                                 return TRUE;
1048                         } else if (def_key("search_forwards", GDK_KEY_s) == key) {
1049                                 search_init(c, 1);
1050                                 return TRUE;
1051                         } else if (def_key("search_backwards", GDK_KEY_r) == key) {
1052                                 search_init(c, -1);
1053                                 return TRUE;
1054                         } else if (def_key("tab_close", GDK_KEY_q) == key) {
1055                                 client_destroy(NULL, c);
1056                                 return TRUE;
1057                         } else if (def_key("tab_switch_1", GDK_KEY_1) == key) {
1058                                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 0);
1059                                 return TRUE;
1060                         } else if (def_key("tab_switch_2", GDK_KEY_2) == key) {
1061                                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 1);
1062                                 return TRUE;
1063                         } else if (def_key("tab_switch_3", GDK_KEY_3) == key) {
1064                                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 2);
1065                                 return TRUE;
1066                         } else if (def_key("tab_switch_4", GDK_KEY_4) == key) {
1067                                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 3);
1068                                 return TRUE;
1069                         } else if (def_key("tab_switch_5", GDK_KEY_5) == key) {
1070                                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 4);
1071                                 return TRUE;
1072                         } else if (def_key("tab_switch_6", GDK_KEY_6) == key) {
1073                                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 5);
1074                                 return TRUE;
1075                         } else if (def_key("tab_switch_7", GDK_KEY_7) == key) {
1076                                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 6);
1077                                 return TRUE;
1078                         } else if (def_key("tab_switch_8", GDK_KEY_8) == key) {
1079                                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 7);
1080                                 return TRUE;
1081                         } else if (def_key("tab_switch_9", GDK_KEY_9) == key) {
1082                                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), 8);
1083                                 return TRUE;
1084                         } else if (def_key("tab_previous", GDK_KEY_u) == key) {
1085                                 gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
1086                                 return TRUE;
1087                         } else if (def_key("tab_new", GDK_KEY_w) == key) {
1088                                 f = ensure_uri_scheme(cfg.home_uri);
1089                                 client_new(f, NULL, TRUE, TRUE);
1090                                 g_free(f);
1091                                 return TRUE;
1092                         } else if (def_key("tab_next", GDK_KEY_i) == key) {
1093                                 gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
1094                                 return TRUE;
1095                         } else if (def_key("toggle_js", GDK_KEY_o) == key) {
1096                                 webkit_settings_set_enable_javascript(settings, (js) ? FALSE : TRUE);
1097                                 webkit_web_view_set_settings(WEBKIT_WEB_VIEW(c->web_view), settings);
1098                                 return TRUE;
1099                         } else if (def_key("web_search", GDK_KEY_d) == key) {
1100                                 gtk_widget_grab_focus(c->location);
1101                                 gtk_entry_set_text(GTK_ENTRY(c->location), "w/");
1102                                 gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
1103                                 return TRUE;
1104                         } else if (def_key("zoom_in", GDK_KEY_equal) == key) {
1105                                 now = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
1106                                 webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), now + 0.1);
1107                                 return TRUE;
1108                         } else if (def_key("zoom_out", GDK_KEY_minus) == key) {
1109                                 now = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
1110                                 webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), now - 0.1);
1111                                 return TRUE;
1112                         } else if (def_key("zoom_reset", GDK_KEY_0) == key) {
1113                                 webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view),
1114                                                                                                                                                          cfg.global_zoom);
1115                                 return TRUE;
1116                         }
1117                 }
1118         }
1119         return FALSE;
1120 }
1121
1122 gboolean
1123 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
1124 {
1125         if (event->type == GDK_KEY_PRESS) {
1126                 if (((GdkEventKey *)event)->state & GDK_CONTROL_MASK) {
1127                         int key = ((GdkEventKey *)event)->keyval;
1128                         if ((def_key("close_tab", GDK_KEY_q) == key) ||
1129                                         (def_key("download_manager", GDK_KEY_y) == key)) {
1130                                 downloadmanager_delete(dm.win, NULL);
1131                                 return TRUE;
1132                         }
1133                 }
1134         }
1135
1136         return FALSE;
1137 }
1138
1139 gboolean
1140 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
1141 {
1142         struct Client *c = (struct Client *)data;
1143         const gchar *t;
1144         gchar *f;
1145
1146         if (key_common(widget, event, data))
1147                 return TRUE;
1148
1149         if (event->type == GDK_KEY_PRESS) {
1150                 int key = ((GdkEventKey *)event)->keyval;
1151                 if ((GDK_KEY_KP_Enter == key) || (GDK_KEY_Return == key)) {
1152                         gtk_widget_grab_focus(c->web_view);
1153                         t = gtk_entry_get_text(GTK_ENTRY(c->location));
1154                         if (t != NULL && t[0] == 's' && t[1] == '/') {
1155                                 if (search_text != NULL)
1156                                         g_free(search_text);
1157                                 search_text = g_strdup(t + 2);
1158                                 search(c, 0);
1159                         } else if (t != NULL && t[0] == 'w' && t[1] == '/') {
1160                                 const char *engine = cfg.search_engine;
1161                                 int len = strlen(engine) + strlen(t) - 2;
1162                                 char *f = (char *) malloc(len);
1163                                 snprintf(f, len + 1, "%s%s", engine, t + 2);
1164                                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
1165                                 free(f);
1166                         } else {
1167                                 f = ensure_uri_scheme(t);
1168                                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
1169                                 g_free(f);
1170                         }
1171                         return TRUE;
1172                 } else if ((GDK_KEY_Escape == key) ||
1173                                                          (def_key("quit", GDK_KEY_g) == key)) {
1174                         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
1175                         gtk_entry_set_text(GTK_ENTRY(c->location),
1176                                                                                                  (t == NULL ? __NAME__ : t));
1177                         return TRUE;
1178                 }
1179         }
1180         return FALSE;
1181 }
1182
1183 gboolean
1184 key_tablabel(GtkWidget *widget, GdkEvent *event, gpointer data)
1185 {
1186         GdkScrollDirection direction;
1187
1188         if (event->type == GDK_BUTTON_RELEASE) {
1189                 switch (((GdkEventButton *)event)->button) {
1190                 case 2:
1191                         client_destroy(NULL, data);
1192                         return TRUE;
1193                 }
1194         } else if (event->type == GDK_SCROLL) {
1195                 gdk_event_get_scroll_direction(event, &direction);
1196                 switch (direction) {
1197                 case GDK_SCROLL_UP:
1198                         gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook));
1199                         break;
1200                 case GDK_SCROLL_DOWN:
1201                         gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook));
1202                         break;
1203                 default:
1204                         break;
1205                 }
1206                 return TRUE;
1207         }
1208         return FALSE;
1209 }
1210
1211 gboolean
1212 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
1213 {
1214         struct Client *c = (struct Client *)data;
1215         gdouble dx, dy;
1216         gfloat z;
1217
1218         if (key_common(widget, event, data))
1219                 return TRUE;
1220
1221         if (event->type == GDK_KEY_PRESS) {
1222                 if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape) {
1223                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
1224                         gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
1225                 }
1226         } else if (event->type == GDK_BUTTON_RELEASE) {
1227                 switch (((GdkEventButton *)event)->button) {
1228                 case 2:
1229                         if (c->hover_uri != NULL) {
1230                                 client_new(c->hover_uri, NULL, TRUE, FALSE);
1231                                 return TRUE;
1232                         }
1233                         break;
1234                 case 8:
1235                         webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
1236                         return TRUE;
1237                 case 9:
1238                         webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
1239                         return TRUE;
1240                 }
1241         } else if (event->type == GDK_SCROLL) {
1242                 if (((GdkEventScroll *)event)->state & GDK_CONTROL_MASK ||
1243                                 ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK) {
1244                         gdk_event_get_scroll_deltas(event, &dx, &dy);
1245                         z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
1246                         z += -dy * 0.1;
1247                         z = dx != 0 ? cfg.global_zoom : z;
1248                         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
1249                         return TRUE;
1250                 }
1251         }
1252
1253         return FALSE;
1254 }
1255
1256 void
1257 mainwindow_setup(void)
1258 {
1259         mw.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1260         gtk_window_set_default_size(GTK_WINDOW(mw.win), 800, 600);
1261         g_signal_connect(G_OBJECT(mw.win), "destroy", gtk_main_quit, NULL);
1262         gtk_window_set_title(GTK_WINDOW(mw.win), __NAME__);
1263
1264         mw.notebook = gtk_notebook_new();
1265         gtk_notebook_set_scrollable(GTK_NOTEBOOK(mw.notebook), TRUE);
1266         gtk_container_add(GTK_CONTAINER(mw.win), mw.notebook);
1267         g_signal_connect(G_OBJECT(mw.notebook), "switch-page",
1268                                                                          G_CALLBACK(notebook_switch_page), NULL);
1269 }
1270
1271 void
1272 mainwindow_title(gint idx)
1273 {
1274         GtkWidget *child, *widg, *tablabel;
1275         const gchar *text;
1276
1277         child = gtk_notebook_get_nth_page(GTK_NOTEBOOK(mw.notebook), idx);
1278         if (child == NULL)
1279                 return;
1280
1281         widg = gtk_notebook_get_tab_label(GTK_NOTEBOOK(mw.notebook), child);
1282         tablabel = (GtkWidget *)g_object_get_data(G_OBJECT(widg), "lariza-tab-label");
1283         text = gtk_label_get_text(GTK_LABEL(tablabel));
1284         gtk_window_set_title(GTK_WINDOW(mw.win), text);
1285 }
1286
1287 void
1288 notebook_switch_page(GtkNotebook *nb, GtkWidget *p, guint idx, gpointer data)
1289 {
1290         mainwindow_title(idx);
1291 }
1292
1293 gboolean
1294 quit_if_nothing_active(void)
1295 {
1296         if (clients == 0) {
1297                 if (downloads == 0) {
1298                         gtk_main_quit();
1299                         return TRUE;
1300                 } else {
1301                         gtk_widget_show_all(dm.win);
1302                 }
1303         }
1304
1305         return FALSE;
1306 }
1307
1308 gboolean
1309 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
1310 {
1311         gchar *uri = NULL;
1312
1313         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
1314         if (uri) {
1315                 g_strstrip(uri);
1316                 client_new(uri, NULL, TRUE, TRUE);
1317                 g_free(uri);
1318         }
1319         return TRUE;
1320 }
1321
1322 void
1323 run_user_scripts(WebKitWebView *web_view)
1324 {
1325         gchar *base = NULL, *path = NULL, *contents = NULL;
1326         const gchar *entry = NULL;
1327         GDir *scriptdir = NULL;
1328
1329         base = g_build_filename(g_get_user_data_dir(), __NAME__, "user-scripts",
1330                                                                                                         NULL);
1331         scriptdir = g_dir_open(base, 0, NULL);
1332         if (scriptdir != NULL) {
1333                 while ((entry = g_dir_read_name(scriptdir)) != NULL) {
1334                         path = g_build_filename(base, entry, NULL);
1335                         char *jscmd = malloc(strlen(path) + 36);
1336                         sprintf(jscmd, "console.log(\"Running userscript %s\");", path);
1337                         if (g_str_has_suffix(path, ".js")) {
1338                                 if (g_file_get_contents(path, &contents, NULL, NULL)) {
1339                                         webkit_web_view_run_javascript(web_view, jscmd, NULL, NULL, NULL);
1340                                         webkit_web_view_run_javascript(web_view, contents, NULL, NULL, NULL);
1341                                         g_free(contents);
1342                                         g_free(jscmd);
1343                                 }
1344                         }
1345                         g_free(path);
1346                 }
1347                 g_dir_close(scriptdir);
1348         }
1349
1350         g_free(base);
1351 }
1352
1353 void
1354 show_web_view(WebKitWebView *web_view, gpointer data)
1355 {
1356         struct Client *c = (struct Client *)data;
1357         gint idx;
1358
1359         (void)web_view;
1360
1361         gtk_widget_show_all(mw.win);
1362
1363         if (c->focus_new_tab) {
1364                 idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox);
1365                 if (idx != -1)
1366                         gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), idx);
1367
1368                 gtk_widget_grab_focus(c->web_view);
1369         }
1370 }
1371
1372 void
1373 trust_user_certs(WebKitWebContext *wc)
1374 {
1375         GTlsCertificate *cert;
1376         const gchar *basedir, *file, *absfile;
1377         GDir *dir;
1378
1379         basedir = g_build_filename(g_get_user_data_dir(), __NAME__, "certs", NULL);
1380         dir = g_dir_open(basedir, 0, NULL);
1381         if (dir != NULL) {
1382                 file = g_dir_read_name(dir);
1383                 while (file != NULL) {
1384                         absfile = g_build_filename(g_get_user_data_dir(), __NAME__, "certs",
1385
1386                                                                                                                                  file, NULL);
1387                         cert = g_tls_certificate_new_from_file(absfile, NULL);
1388                         if (cert == NULL)
1389                                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1390                         else
1391                                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1392                         file = g_dir_read_name(dir);
1393                 }
1394                 g_dir_close(dir);
1395         }
1396 }
1397
1398 GKeyFile *
1399 get_ini(void)
1400 {
1401         GKeyFileFlags flags = G_KEY_FILE_NONE;
1402         g_autoptr(GError) error = NULL;
1403         config = g_key_file_new();
1404
1405         // Load user config
1406         if (!g_key_file_load_from_file(config,
1407                                                                                                                                  g_build_filename(g_get_user_config_dir(),
1408                                                                                                                                                                                                         __NAME__, "lariza.ini",
1409                                                                                                                                                                                                         NULL), flags, &error)) {
1410                 // Load global config
1411                 if (!g_key_file_load_from_file(config, "/etc/lariza.ini", flags,
1412                                                                                                                                          &error)) {
1413                         fprintf(stderr, "Could not load lariza.ini: %s", error->message);
1414                 }
1415         }
1416         return config;
1417 }
1418
1419 int
1420 main(int argc, char **argv)
1421 {
1422         int opt, i;
1423
1424         gtk_init(&argc, &argv);
1425         get_config();
1426
1427         while ((opt = getopt(argc, argv, "C")) != -1) {
1428                 switch (opt) {
1429                 case 'C':
1430                         cfg.cooperative_instances = FALSE;
1431                         break;
1432                 default:
1433                         fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1434                         exit(EXIT_FAILURE);
1435                 }
1436         }
1437
1438         if (cfg.cooperative_instances)
1439                 cooperation_setup();
1440
1441         if (!cfg.cooperative_instances || cfg.cooperative_alone)
1442                 init_default_web_context();
1443
1444         downloadmanager_setup();
1445         mainwindow_setup();
1446
1447         if (optind >= argc) {
1448                 client_new(cfg.home_uri, NULL, TRUE, TRUE);
1449         } else {
1450                 for (i = optind; i < argc; i++)
1451                         client_new(argv[i], NULL, TRUE, TRUE);
1452         }
1453
1454         if (!cfg.cooperative_instances || cfg.cooperative_alone)
1455                 gtk_main();
1456
1457         exit(EXIT_SUCCESS);
1458 }