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