browser.c

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