browser.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <sys/types.h>
   4 #include <sys/stat.h>
   5 #include <fcntl.h>
   6 #include <string.h>
   7
   8 #include <gtk/gtk.h>
   9 #include <gtk/gtkx.h>
  10 #include <gdk/gdkkeysyms.h>
  11 #include <gio/gio.h>
  12 #include <webkit2/webkit2.h>
  13
  14
  15 static void client_destroy(GtkWidget *, gpointer);
  16 static gboolean client_destroy_request(WebKitWebView *, gpointer);
  17 static WebKitWebView *client_new(const gchar *);
  18 static WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  19                                          gpointer);
  20 static void cooperation_setup(void);
  21 static void changed_download_progress(GObject *, GParamSpec *, gpointer);
  22 static void changed_load_progress(GObject *, GParamSpec *, gpointer);
  23 static void changed_title(GObject *, GParamSpec *, gpointer);
  24 static void changed_uri(GObject *, GParamSpec *, gpointer);
  25 static gboolean crashed_web_view(WebKitWebView *, gpointer);
  26 static gboolean crashed_web_view_reload(gpointer);
  27 static gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  28                               WebKitPolicyDecisionType, gpointer);
  29 static gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  30 static void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
  31 static void downloadmanager_cancel(GtkToolButton *, gpointer data);
  32 static void downloadmanager_setup(void);
  33 static gchar *ensure_uri_scheme(const gchar *);
  34 static void external_handler_run(GtkAction *, gpointer);
  35 static void grab_environment_configuration(void);
  36 static void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  37 static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  38 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  39 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  40 static void keywords_load(void);
  41 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  42 static gboolean menu_web_view(WebKitWebView *, WebKitContextMenu *, GdkEvent *,
  43                               WebKitHitTestResult *, gpointer);
  44 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  45 static void search(gpointer, gint);
  46 static Window tabbed_launch(void);
  47 static void trust_user_certs(WebKitWebContext *);
  48
  49
  50 struct Client
  51 {
  52     gchar *external_handler_uri;
  53     gchar *hover_uri;
  54     GtkWidget *location;
  55     GtkWidget *progress;
  56     GtkWidget *top_box;
  57     GtkWidget *vbox;
  58     GtkWidget *web_view;
  59     GtkWidget *win;
  60 };
  61
  62 struct DownloadManager
  63 {
  64     GtkWidget *scroll;
  65     GtkWidget *toolbar;
  66     GtkWidget *win;
  67 } dm;
  68
  69
  70 static const gchar *accepted_language[2] = { NULL, NULL };
  71 static gint clients = 0;
  72 static gboolean cooperative_alone = TRUE;
  73 static gboolean cooperative_instances = TRUE;
  74 static int cooperative_pipe_fp = 0;
  75 static int crash_autoreload_delay = 2;
  76 static gchar *download_dir = "/var/tmp";
  77 static Window embed = 0;
  78 static gchar *fifo_suffix = "main";
  79 static gdouble global_zoom = 1.0;
  80 static gchar *home_uri = "about:blank";
  81 static gboolean initial_wc_setup_done = FALSE;
  82 static GHashTable *keywords = NULL;
  83 static gchar *search_text = NULL;
  84 static gboolean tabbed_automagic = TRUE;
  85 static gchar *user_agent = NULL;
  86
  87
  88 void
  89 client_destroy(GtkWidget *obj, gpointer data)
  90 {
  91     struct Client *c = (struct Client *)data;
  92
  93     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
  94                                          changed_load_progress, c);
  95
  96     free(c);
  97     clients--;
  98
  99     if (clients == 0)
 100         gtk_main_quit();
 101 }
 102
 103 gboolean
 104 client_destroy_request(WebKitWebView *web_view, gpointer data)
 105 {
 106     struct Client *c = (struct Client *)data;
 107
 108     gtk_widget_destroy(c->win);
 109
 110     return TRUE;
 111 }
 112
 113 WebKitWebView *
 114 client_new(const gchar *uri)
 115 {
 116     struct Client *c;
 117     WebKitWebContext *wc;
 118     gchar *f;
 119
 120     if (uri != NULL && cooperative_instances && !cooperative_alone)
 121     {
 122         write(cooperative_pipe_fp, uri, strlen(uri));
 123         write(cooperative_pipe_fp, "\n", 1);
 124         return NULL;
 125     }
 126
 127     c = malloc(sizeof(struct Client));
 128     if (!c)
 129     {
 130         fprintf(stderr, __NAME__": fatal: malloc failed\n");
 131         exit(EXIT_FAILURE);
 132     }
 133
 134     c->external_handler_uri = NULL;
 135     c->hover_uri = NULL;
 136     c->win = NULL;
 137     if (embed != 0)
 138     {
 139         c->win = gtk_plug_new(embed);
 140         if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 141         {
 142             fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 143             gtk_widget_destroy(c->win);
 144             c->win = NULL;
 145             embed = 0;
 146         }
 147     }
 148
 149     if (c->win == NULL)
 150         c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 151
 152     gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 153
 154     g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 155     gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 156
 157     c->web_view = webkit_web_view_new();
 158     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 159
 160     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 161     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 162                      G_CALLBACK(changed_title), c);
 163     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 164                      G_CALLBACK(changed_uri), c);
 165     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 166                      G_CALLBACK(changed_load_progress), c);
 167     g_signal_connect(G_OBJECT(c->web_view), "create",
 168                      G_CALLBACK(client_new_request), NULL);
 169     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 170                      G_CALLBACK(menu_web_view), c);
 171     g_signal_connect(G_OBJECT(c->web_view), "close",
 172                      G_CALLBACK(client_destroy_request), 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-press-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 (!initial_wc_setup_done)
 187     {
 188         if (accepted_language[0] != NULL)
 189             webkit_web_context_set_preferred_languages(wc, accepted_language);
 190
 191         g_signal_connect(G_OBJECT(wc), "download-started",
 192                          G_CALLBACK(download_handle_start), NULL);
 193
 194         trust_user_certs(wc);
 195
 196         initial_wc_setup_done = TRUE;
 197     }
 198
 199     if (user_agent != NULL)
 200         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 201                      "user-agent", user_agent, NULL);
 202
 203     c->location = gtk_entry_new();
 204     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 205                      G_CALLBACK(key_location), c);
 206
 207     /* XXX Progress bars don't work/look as intended anymore. Level bars
 208      * are a dirty workaround (kind of). */
 209     c->progress = gtk_level_bar_new();
 210     gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 1);
 211
 212     c->top_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 213     gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 214     gtk_box_pack_start(GTK_BOX(c->top_box), c->progress, FALSE, FALSE, 0);
 215
 216     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 217     gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 0);
 218     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 219
 220     gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 221
 222     gtk_widget_grab_focus(c->web_view);
 223     gtk_widget_show_all(c->win);
 224
 225     if (uri != NULL)
 226     {
 227         f = ensure_uri_scheme(uri);
 228         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 229         g_free(f);
 230     }
 231
 232     clients++;
 233
 234     return WEBKIT_WEB_VIEW(c->web_view);
 235 }
 236
 237 WebKitWebView *
 238 client_new_request(WebKitWebView *web_view,
 239                    WebKitNavigationAction *navigation_action, gpointer data)
 240 {
 241     return client_new(NULL);
 242 }
 243
 244 void
 245 cooperation_setup(void)
 246 {
 247     GIOChannel *towatch;
 248     gchar *fifofilename, *fifopath;
 249
 250     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 251     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 252     g_free(fifofilename);
 253
 254     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 255         mkfifo(fifopath, 0600);
 256
 257     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 258     if (!cooperative_pipe_fp)
 259     {
 260         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 261     }
 262     else
 263     {
 264         if (write(cooperative_pipe_fp, "", 0) == -1)
 265         {
 266             /* Could not do an empty write to the FIFO which means there's
 267              * no one listening. */
 268             close(cooperative_pipe_fp);
 269             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 270             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 271         }
 272         else
 273             cooperative_alone = FALSE;
 274     }
 275
 276     g_free(fifopath);
 277 }
 278
 279 void
 280 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 281 {
 282     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 283     WebKitURIResponse *resp;
 284     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 285     gdouble p, size_mb;
 286     const gchar *uri;
 287     gchar *t, *filename, *base;
 288
 289     p = webkit_download_get_estimated_progress(download);
 290     p = p > 1 ? 1 : p;
 291     p = p < 0 ? 0 : p;
 292     p *= 100;
 293     resp = webkit_download_get_response(download);
 294     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 295
 296     uri = webkit_download_get_destination(download);
 297     filename = g_filename_from_uri(uri, NULL, NULL);
 298     if (filename == NULL)
 299     {
 300         /* This really should not happen because WebKit uses that URI to
 301          * write to a file... */
 302         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 303         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 304                             webkit_uri_response_get_uri(resp), p, size_mb);
 305     }
 306     else
 307     {
 308         base = g_path_get_basename(filename);
 309         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 310         g_free(filename);
 311         g_free(base);
 312     }
 313     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 314     g_free(t);
 315 }
 316
 317 void
 318 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 319 {
 320     struct Client *c = (struct Client *)data;
 321     gdouble p;
 322
 323     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 324     gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), p);
 325 }
 326
 327 void
 328 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 329 {
 330     const gchar *t, *u;
 331     struct Client *c = (struct Client *)data;
 332
 333     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 334     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 335
 336     u = u == NULL ? __NAME__ : u;
 337     u = u[0] == 0 ? __NAME__ : u;
 338
 339     t = t == NULL ? u : t;
 340     t = t[0] == 0 ? u : t;
 341
 342     gtk_window_set_title(GTK_WINDOW(c->win), t);
 343 }
 344
 345 void
 346 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 347 {
 348     const gchar *t;
 349     struct Client *c = (struct Client *)data;
 350
 351     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 352     gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 353 }
 354
 355 gboolean
 356 crashed_web_view(WebKitWebView *web_view, gpointer data)
 357 {
 358     fprintf(stderr, __NAME__": WebView crashed!\n");
 359     if (crash_autoreload_delay >= 1)
 360     {
 361         fprintf(stderr, __NAME__": Reloading WebView in %d seconds.\n",
 362                 crash_autoreload_delay);
 363         g_timeout_add_seconds(crash_autoreload_delay, crashed_web_view_reload,
 364                               web_view);
 365     }
 366
 367     return TRUE;
 368 }
 369
 370 gboolean
 371 crashed_web_view_reload(gpointer data)
 372 {
 373     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(data));
 374
 375     return G_SOURCE_REMOVE;
 376 }
 377
 378 gboolean
 379 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 380               WebKitPolicyDecisionType type, gpointer data)
 381 {
 382     WebKitResponsePolicyDecision *r;
 383
 384     switch (type)
 385     {
 386         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 387             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 388             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 389                 webkit_policy_decision_download(decision);
 390             else
 391                 webkit_policy_decision_use(decision);
 392             break;
 393         default:
 394             /* Use whatever default there is. */
 395             return FALSE;
 396     }
 397     return TRUE;
 398 }
 399
 400 void
 401 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 402                       gpointer data)
 403 {
 404     g_signal_connect(G_OBJECT(download), "decide-destination",
 405                      G_CALLBACK(download_handle), data);
 406 }
 407
 408 gboolean
 409 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 410 {
 411     gchar *sug_clean, *path, *path2 = NULL, *uri;
 412     GtkToolItem *tb;
 413     int suffix = 1;
 414     size_t i;
 415
 416     sug_clean = g_strdup(suggested_filename);
 417     for (i = 0; i < strlen(sug_clean); i++)
 418         if (sug_clean[i] == G_DIR_SEPARATOR)
 419             sug_clean[i] = '_';
 420
 421     path = g_build_filename(download_dir, sug_clean, NULL);
 422     path2 = g_strdup(path);
 423     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 424     {
 425         g_free(path2);
 426
 427         path2 = g_strdup_printf("%s.%d", path, suffix);
 428         suffix++;
 429     }
 430
 431     if (suffix == 1000)
 432     {
 433         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 434         webkit_download_cancel(download);
 435     }
 436     else
 437     {
 438         uri = g_filename_to_uri(path2, NULL, NULL);
 439         webkit_download_set_destination(download, uri);
 440         g_free(uri);
 441
 442         tb = gtk_tool_button_new(NULL, NULL);
 443         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 444         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 445         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 446         gtk_widget_show_all(dm.win);
 447
 448         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 449                          G_CALLBACK(changed_download_progress), tb);
 450
 451         g_object_ref(download);
 452         g_signal_connect(G_OBJECT(tb), "clicked",
 453                          G_CALLBACK(downloadmanager_cancel), download);
 454     }
 455
 456     g_free(sug_clean);
 457     g_free(path);
 458     g_free(path2);
 459
 460     /* Propagate -- to whom it may concern. */
 461     return FALSE;
 462 }
 463
 464 void
 465 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 466 {
 467     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 468
 469     webkit_download_cancel(download);
 470     g_object_unref(download);
 471
 472     gtk_widget_destroy(GTK_WIDGET(tb));
 473 }
 474
 475 void
 476 downloadmanager_setup(void)
 477 {
 478     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 479     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 480     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 481     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 482     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 483                      G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 484     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 485                      G_CALLBACK(key_downloadmanager), NULL);
 486
 487     dm.toolbar = gtk_toolbar_new();
 488     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 489                                    GTK_ORIENTATION_VERTICAL);
 490     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 491     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 492
 493     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 494     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 495                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 496     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 497
 498     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 499 }
 500
 501 gchar *
 502 ensure_uri_scheme(const gchar *t)
 503 {
 504     gchar *f;
 505
 506     f = g_ascii_strdown(t, -1);
 507     if (!g_str_has_prefix(f, "http:") &&
 508         !g_str_has_prefix(f, "https:") &&
 509         !g_str_has_prefix(f, "file:") &&
 510         !g_str_has_prefix(f, "about:"))
 511     {
 512         g_free(f);
 513         f = g_strdup_printf("http://%s", t);
 514         return f;
 515     }
 516     else
 517         return g_strdup(t);
 518 }
 519
 520 void
 521 external_handler_run(GtkAction *action, gpointer data)
 522 {
 523     struct Client *c = (struct Client *)data;
 524     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 525     GPid pid;
 526     GError *err = NULL;
 527
 528     (void)action;
 529
 530     argv[2] = c->external_handler_uri;
 531     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 532                        &pid, &err))
 533     {
 534         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 535                 err->message);
 536         g_error_free(err);
 537     }
 538     else
 539         g_spawn_close_pid(pid);
 540 }
 541
 542 void
 543 grab_environment_configuration(void)
 544 {
 545     const gchar *e;
 546
 547     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 548     if (e != NULL)
 549         accepted_language[0] = g_strdup(e);
 550
 551     e = g_getenv(__NAME_UPPERCASE__"_CRASH_AUTORELOAD_DELAY");
 552     if (e != NULL)
 553         crash_autoreload_delay = atoi(e);
 554
 555     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 556     if (e != NULL)
 557         download_dir = g_strdup(e);
 558
 559     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 560     if (e != NULL)
 561         fifo_suffix = g_strdup(e);
 562
 563     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 564     if (e != NULL)
 565         home_uri = g_strdup(e);
 566
 567     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 568     if (e != NULL)
 569         user_agent = g_strdup(e);
 570
 571     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 572     if (e != NULL)
 573         global_zoom = atof(e);
 574 }
 575
 576 void
 577 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 578                gpointer data)
 579 {
 580     struct Client *c = (struct Client *)data;
 581
 582     if (!gtk_widget_is_focus(c->location))
 583     {
 584         if (webkit_hit_test_result_context_is_link(ht))
 585         {
 586             gtk_entry_set_text(GTK_ENTRY(c->location),
 587                                webkit_hit_test_result_get_link_uri(ht));
 588
 589             if (c->hover_uri != NULL)
 590                 g_free(c->hover_uri);
 591             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 592         }
 593         else
 594         {
 595             gtk_entry_set_text(GTK_ENTRY(c->location),
 596                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 597
 598             if (c->hover_uri != NULL)
 599                 g_free(c->hover_uri);
 600             c->hover_uri = NULL;
 601         }
 602     }
 603 }
 604
 605 gboolean
 606 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 607 {
 608     if (event->type == GDK_KEY_PRESS)
 609     {
 610         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 611         {
 612             switch (((GdkEventKey *)event)->keyval)
 613             {
 614                 case GDK_KEY_d:  /* close window (left hand) */
 615                     gtk_widget_hide(dm.win);
 616                     return TRUE;
 617             }
 618         }
 619     }
 620
 621     return FALSE;
 622 }
 623
 624 gboolean
 625 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 626 {
 627     struct Client *c = (struct Client *)data;
 628     const gchar *t;
 629     gchar *f;
 630     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 631
 632     if (event->type == GDK_KEY_PRESS)
 633     {
 634         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 635         {
 636             switch (((GdkEventKey *)event)->keyval)
 637             {
 638                 case GDK_KEY_q:  /* close window (left hand) */
 639                     gtk_widget_destroy(c->win);
 640                     return TRUE;
 641                 case GDK_KEY_d:  /* download manager (left hand) */
 642                     gtk_widget_show_all(dm.win);
 643                     return TRUE;
 644                 case GDK_KEY_r:  /* reload (left hand) */
 645                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 646                                                         c->web_view));
 647                     return TRUE;
 648                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 649                     gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 650                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 651                     return TRUE;
 652                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 653                     trust_user_certs(wc);
 654                     return TRUE;
 655                 case GDK_KEY_x:  /* launch external handler (left hand) */
 656                     if (c->external_handler_uri != NULL)
 657                         g_free(c->external_handler_uri);
 658                     c->external_handler_uri = g_strdup(
 659                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 660                     external_handler_run(NULL, c);
 661                     return TRUE;
 662             }
 663         }
 664         else
 665         {
 666             switch (((GdkEventKey *)event)->keyval)
 667             {
 668                 case GDK_KEY_KP_Enter:
 669                 case GDK_KEY_Return:
 670                     gtk_widget_grab_focus(c->web_view);
 671                     t = gtk_entry_get_text(GTK_ENTRY(c->location));
 672                     if (t != NULL && t[0] == '/')
 673                     {
 674                         if (search_text != NULL)
 675                             g_free(search_text);
 676                         search_text = g_strdup(t + 1);  /* XXX whacky */
 677                         search(c, 0);
 678                     }
 679                     else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 680                     {
 681                         f = ensure_uri_scheme(t);
 682                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 683                         g_free(f);
 684                     }
 685                     return TRUE;
 686                 case GDK_KEY_Escape:
 687                     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 688                     gtk_entry_set_text(GTK_ENTRY(c->location),
 689                                        (t == NULL ? __NAME__ : t));
 690                     return TRUE;
 691             }
 692         }
 693     }
 694
 695     return FALSE;
 696 }
 697
 698 gboolean
 699 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 700 {
 701     struct Client *c = (struct Client *)data;
 702     gdouble dx, dy;
 703     gchar *f;
 704     gfloat z;
 705     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 706
 707     if (event->type == GDK_KEY_PRESS)
 708     {
 709         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 710         {
 711             switch (((GdkEventKey *)event)->keyval)
 712             {
 713                 case GDK_KEY_q:  /* close window (left hand) */
 714                     gtk_widget_destroy(c->win);
 715                     return TRUE;
 716                 case GDK_KEY_w:  /* home (left hand) */
 717                     f = ensure_uri_scheme(home_uri);
 718                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 719                     g_free(f);
 720                     return TRUE;
 721                 case GDK_KEY_e:  /* new tab (left hand) */
 722                     f = ensure_uri_scheme(home_uri);
 723                     client_new(f);
 724                     g_free(f);
 725                     return TRUE;
 726                 case GDK_KEY_r:  /* reload (left hand) */
 727                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 728                                                         c->web_view));
 729                     return TRUE;
 730                 case GDK_KEY_d:  /* download manager (left hand) */
 731                     gtk_widget_show_all(dm.win);
 732                     return TRUE;
 733                 case GDK_KEY_2:  /* search forward (left hand) */
 734                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 735                     search(c, 1);
 736                     return TRUE;
 737                 case GDK_KEY_3:  /* search backward (left hand) */
 738                     search(c, -1);
 739                     return TRUE;
 740                 case GDK_KEY_l:  /* location (BOTH hands) */
 741                     gtk_widget_grab_focus(c->location);
 742                     return TRUE;
 743                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 744                     gtk_widget_grab_focus(c->location);
 745                     gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 746                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 747                     return TRUE;
 748                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 749                     trust_user_certs(wc);
 750                     return TRUE;
 751                 case GDK_KEY_x:  /* launch external handler (left hand) */
 752                     if (c->external_handler_uri != NULL)
 753                         g_free(c->external_handler_uri);
 754                     c->external_handler_uri = g_strdup(
 755                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 756                     external_handler_run(NULL, c);
 757                     return TRUE;
 758             }
 759         }
 760         /* navigate backward (left hand) */
 761         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 762         {
 763             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 764             return TRUE;
 765         }
 766         /* navigate forward (left hand) */
 767         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 768         {
 769             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 770             return TRUE;
 771         }
 772         else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 773         {
 774             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 775             gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 776         }
 777     }
 778     else if (event->type == GDK_BUTTON_PRESS)
 779     {
 780         switch (((GdkEventButton *)event)->button)
 781         {
 782             case 2:
 783                 if (c->hover_uri != NULL)
 784                 {
 785                     client_new(c->hover_uri);
 786                     return TRUE;
 787                 }
 788                 break;
 789             case 8:
 790                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 791                 return TRUE;
 792             case 9:
 793                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 794                 return TRUE;
 795         }
 796     }
 797     else if (event->type == GDK_SCROLL)
 798     {
 799         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 800             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 801         {
 802             gdk_event_get_scroll_deltas(event, &dx, &dy);
 803             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 804             z += -dy * 0.1;
 805             z = dx != 0 ? global_zoom : z;
 806             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 807             return TRUE;
 808         }
 809     }
 810
 811     return FALSE;
 812 }
 813
 814 void
 815 keywords_load(void)
 816 {
 817     GError *err = NULL;
 818     GIOChannel *channel = NULL;
 819     gchar *path = NULL, *buf = NULL;
 820     gchar **tokens = NULL;
 821
 822     keywords = g_hash_table_new(g_str_hash, g_str_equal);
 823
 824     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 825                             NULL);
 826     channel = g_io_channel_new_file(path, "r", &err);
 827     if (channel != NULL)
 828     {
 829         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 830                == G_IO_STATUS_NORMAL)
 831         {
 832             g_strstrip(buf);
 833             if (buf[0] != '#')
 834             {
 835                 tokens = g_strsplit(buf, " ", 2);
 836                 if (tokens[0] != NULL && tokens[1] != NULL)
 837                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
 838                                         g_strdup(tokens[1]));
 839                 g_strfreev(tokens);
 840             }
 841             g_free(buf);
 842         }
 843         g_io_channel_shutdown(channel, FALSE, NULL);
 844     }
 845     g_free(path);
 846 }
 847
 848 gboolean
 849 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 850 {
 851     gboolean ret = FALSE;
 852     gchar **tokens = NULL;
 853     gchar *val = NULL, *uri = NULL;
 854
 855     tokens = g_strsplit(t, " ", 2);
 856     if (tokens[0] != NULL && tokens[1] != NULL)
 857     {
 858         val = g_hash_table_lookup(keywords, tokens[0]);
 859         if (val != NULL)
 860         {
 861             uri = g_strdup_printf((gchar *)val, tokens[1]);
 862             webkit_web_view_load_uri(web_view, uri);
 863             g_free(uri);
 864             ret = TRUE;
 865         }
 866     }
 867     g_strfreev(tokens);
 868
 869     return ret;
 870 }
 871
 872 gboolean
 873 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
 874               WebKitHitTestResult *ht, gpointer data)
 875 {
 876     struct Client *c = (struct Client *)data;
 877     GtkAction *action = NULL;
 878     WebKitContextMenuItem *mi = NULL;
 879     const gchar *uri = NULL;
 880
 881     (void)ev;
 882
 883     if (webkit_hit_test_result_context_is_link(ht))
 884         uri = webkit_hit_test_result_get_link_uri(ht);
 885     else if (webkit_hit_test_result_context_is_image(ht))
 886         uri = webkit_hit_test_result_get_image_uri(ht);
 887     else if (webkit_hit_test_result_context_is_media(ht))
 888         uri = webkit_hit_test_result_get_media_uri(ht);
 889
 890     if (uri != NULL)
 891     {
 892         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
 893
 894         if (c->external_handler_uri != NULL)
 895             g_free(c->external_handler_uri);
 896         c->external_handler_uri = g_strdup(uri);
 897         action = gtk_action_new("external_handler", "Open with external handler",
 898                                 NULL, NULL);
 899         g_signal_connect(G_OBJECT(action), "activate",
 900                          G_CALLBACK(external_handler_run), data);
 901         mi = webkit_context_menu_item_new(action);
 902         webkit_context_menu_append(menu, mi);
 903     }
 904
 905     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
 906     return FALSE;
 907 }
 908
 909 gboolean
 910 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 911 {
 912     gchar *uri = NULL;
 913
 914     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 915     if (uri)
 916     {
 917         g_strstrip(uri);
 918         client_new(uri);
 919         g_free(uri);
 920     }
 921     return TRUE;
 922 }
 923
 924 void
 925 search(gpointer data, gint direction)
 926 {
 927     struct Client *c = (struct Client *)data;
 928     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 929     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 930
 931     if (search_text == NULL)
 932         return;
 933
 934     switch (direction)
 935     {
 936         case 0:
 937             webkit_find_controller_search(fc, search_text,
 938                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 939                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 940                                           G_MAXUINT);
 941             break;
 942         case 1:
 943             webkit_find_controller_search_next(fc);
 944             break;
 945         case -1:
 946             webkit_find_controller_search_previous(fc);
 947             break;
 948     }
 949 }
 950
 951 Window
 952 tabbed_launch(void)
 953 {
 954     gint tabbed_stdout;
 955     GIOChannel *tabbed_stdout_channel;
 956     GError *err = NULL;
 957     gchar *output = NULL;
 958     char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 959     Window plug_into;
 960
 961     if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 962                                   NULL, NULL, NULL, &tabbed_stdout, NULL,
 963                                   &err))
 964     {
 965         fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 966         g_error_free(err);
 967         return 0;
 968     }
 969
 970     tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 971     if (tabbed_stdout_channel == NULL)
 972     {
 973         fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 974         return 0;
 975     }
 976     g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 977     g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 978     if (output == NULL)
 979     {
 980         fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 981         return 0;
 982     }
 983     g_strstrip(output);
 984     plug_into = strtol(output, NULL, 16);
 985     g_free(output);
 986     if (plug_into == 0)
 987         fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
 988     return plug_into;
 989 }
 990
 991 void
 992 trust_user_certs(WebKitWebContext *wc)
 993 {
 994     GTlsCertificate *cert;
 995     const gchar *basedir, *file, *absfile;
 996     GDir *dir;
 997
 998     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
 999     dir = g_dir_open(basedir, 0, NULL);
1000     if (dir != NULL)
1001     {
1002         file = g_dir_read_name(dir);
1003         while (file != NULL)
1004         {
1005             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1006                                        file, NULL);
1007             cert = g_tls_certificate_new_from_file(absfile, NULL);
1008             if (cert == NULL)
1009                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1010             else
1011                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1012             file = g_dir_read_name(dir);
1013         }
1014         g_dir_close(dir);
1015     }
1016 }
1017
1018
1019 int
1020 main(int argc, char **argv)
1021 {
1022     gchar *c;
1023     int opt, i;
1024
1025     gtk_init(&argc, &argv);
1026
1027     grab_environment_configuration();
1028
1029     while ((opt = getopt(argc, argv, "e:CT")) != -1)
1030     {
1031         switch (opt)
1032         {
1033             case 'e':
1034                 embed = atol(optarg);
1035                 tabbed_automagic = FALSE;
1036                 break;
1037             case 'C':
1038                 cooperative_instances = FALSE;
1039                 break;
1040             case 'T':
1041                 tabbed_automagic = FALSE;
1042                 break;
1043             default:
1044                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1045                 exit(EXIT_FAILURE);
1046         }
1047     }
1048
1049     keywords_load();
1050     if (cooperative_instances)
1051         cooperation_setup();
1052     downloadmanager_setup();
1053
1054     if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
1055         embed = tabbed_launch();
1056
1057     if (!cooperative_instances || cooperative_alone)
1058     {
1059         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1060                              NULL);
1061         webkit_web_context_set_web_extensions_directory(
1062             webkit_web_context_get_default(), c
1063         );
1064     }
1065
1066     if (optind >= argc)
1067         client_new(home_uri);
1068     else
1069     {
1070         for (i = optind; i < argc; i++)
1071             client_new(argv[i]);
1072     }
1073
1074     if (!cooperative_instances || cooperative_alone)
1075         gtk_main();
1076     exit(EXIT_SUCCESS);
1077 }