browser.c

   1 #include <limits.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <fcntl.h>
   7 #include <string.h>
   8
   9 #include <gtk/gtk.h>
  10 #include <gtk/gtkx.h>
  11 #include <gdk/gdkkeysyms.h>
  12 #include <gio/gio.h>
  13 #include <webkit2/webkit2.h>
  14
  15
  16 static void client_destroy(GtkWidget *, gpointer);
  17 static gboolean client_destroy_request(WebKitWebView *, gpointer);
  18 static WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean);
  19 static WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  20                                          gpointer);
  21 static void cooperation_setup(void);
  22 static void changed_download_progress(GObject *, GParamSpec *, gpointer);
  23 static void changed_load_progress(GObject *, GParamSpec *, gpointer);
  24 static void changed_title(GObject *, GParamSpec *, gpointer);
  25 static void changed_uri(GObject *, GParamSpec *, gpointer);
  26 static gboolean crashed_web_view(WebKitWebView *, gpointer);
  27 static gboolean crashed_web_view_reload(gpointer);
  28 static gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  29                               WebKitPolicyDecisionType, gpointer);
  30 static gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  31 static void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
  32 static void downloadmanager_cancel(GtkToolButton *, gpointer data);
  33 static void downloadmanager_setup(void);
  34 static gchar *ensure_uri_scheme(const gchar *);
  35 static void external_handler_run(GtkAction *, gpointer);
  36 static void grab_environment_configuration(void);
  37 static void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  38 static gboolean key_common(GtkWidget *, GdkEvent *, gpointer);
  39 static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  40 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  41 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  42 static void keywords_load(void);
  43 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  44 static gboolean menu_web_view(WebKitWebView *, WebKitContextMenu *, GdkEvent *,
  45                               WebKitHitTestResult *, gpointer);
  46 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  47 static void search(gpointer, gint);
  48 static void show_web_view(WebKitWebView *, gpointer);
  49 static Window tabbed_launch(void);
  50 static void trust_user_certs(WebKitWebContext *);
  51
  52
  53 struct Client
  54 {
  55     gchar *external_handler_uri;
  56     gchar *hover_uri;
  57     GtkWidget *location;
  58     GtkWidget *vbox;
  59     GtkWidget *web_view;
  60     GtkWidget *win;
  61 };
  62
  63 struct DownloadManager
  64 {
  65     GtkWidget *scroll;
  66     GtkWidget *toolbar;
  67     GtkWidget *win;
  68 } dm;
  69
  70
  71 static const gchar *accepted_language[2] = { NULL, NULL };
  72 static gint clients = 0;
  73 static gboolean cooperative_alone = TRUE;
  74 static gboolean cooperative_instances = TRUE;
  75 static int cooperative_pipe_fp = 0;
  76 static int crash_autoreload_delay = 2;
  77 static gchar *download_dir = "/var/tmp";
  78 static Window embed = 0;
  79 static gchar *fifo_suffix = "main";
  80 static gdouble global_zoom = 1.0;
  81 static gchar *history_file = NULL;
  82 static gchar *home_uri = "about:blank";
  83 static gboolean initial_wc_setup_done = FALSE;
  84 static GHashTable *keywords = NULL;
  85 static gchar *search_text = NULL;
  86 static gboolean tabbed_automagic = TRUE;
  87 static gchar *user_agent = NULL;
  88
  89
  90 void
  91 client_destroy(GtkWidget *obj, gpointer data)
  92 {
  93     struct Client *c = (struct Client *)data;
  94
  95     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
  96                                          changed_load_progress, c);
  97
  98     free(c);
  99     clients--;
 100
 101     if (clients == 0)
 102         gtk_main_quit();
 103 }
 104
 105 gboolean
 106 client_destroy_request(WebKitWebView *web_view, gpointer data)
 107 {
 108     struct Client *c = (struct Client *)data;
 109
 110     gtk_widget_destroy(c->win);
 111
 112     return TRUE;
 113 }
 114
 115 WebKitWebView *
 116 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show)
 117 {
 118     struct Client *c;
 119     WebKitWebContext *wc;
 120     gchar *f;
 121
 122     if (uri != NULL && cooperative_instances && !cooperative_alone)
 123     {
 124         f = ensure_uri_scheme(uri);
 125         write(cooperative_pipe_fp, f, strlen(f));
 126         write(cooperative_pipe_fp, "\n", 1);
 127         g_free(f);
 128         return NULL;
 129     }
 130
 131     c = calloc(1, sizeof(struct Client));
 132     if (!c)
 133     {
 134         fprintf(stderr, __NAME__": fatal: calloc failed\n");
 135         exit(EXIT_FAILURE);
 136     }
 137
 138     if (embed != 0)
 139     {
 140         c->win = gtk_plug_new(embed);
 141         if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 142         {
 143             fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 144             gtk_widget_destroy(c->win);
 145             c->win = NULL;
 146             embed = 0;
 147         }
 148     }
 149
 150     if (c->win == NULL)
 151         c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 152
 153     gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 154
 155     g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 156     gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 157
 158     if (related_wv == NULL)
 159         c->web_view = webkit_web_view_new();
 160     else
 161         c->web_view = webkit_web_view_new_with_related_view(related_wv);
 162     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 163
 164     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 165     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 166                      G_CALLBACK(changed_title), c);
 167     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 168                      G_CALLBACK(changed_uri), c);
 169     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 170                      G_CALLBACK(changed_load_progress), c);
 171     g_signal_connect(G_OBJECT(c->web_view), "create",
 172                      G_CALLBACK(client_new_request), NULL);
 173     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 174                      G_CALLBACK(menu_web_view), c);
 175     g_signal_connect(G_OBJECT(c->web_view), "close",
 176                      G_CALLBACK(client_destroy_request), c);
 177     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 178                      G_CALLBACK(decide_policy), NULL);
 179     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 180                      G_CALLBACK(key_web_view), c);
 181     g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 182                      G_CALLBACK(key_web_view), c);
 183     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 184                      G_CALLBACK(key_web_view), c);
 185     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 186                      G_CALLBACK(hover_web_view), c);
 187     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 188                      G_CALLBACK(crashed_web_view), c);
 189
 190     if (!initial_wc_setup_done)
 191     {
 192         if (accepted_language[0] != NULL)
 193             webkit_web_context_set_preferred_languages(wc, accepted_language);
 194
 195         g_signal_connect(G_OBJECT(wc), "download-started",
 196                          G_CALLBACK(download_handle_start), NULL);
 197
 198         trust_user_certs(wc);
 199
 200         initial_wc_setup_done = TRUE;
 201     }
 202
 203     if (user_agent != NULL)
 204         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 205                      "user-agent", user_agent, NULL);
 206
 207     c->location = gtk_entry_new();
 208     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 209                      G_CALLBACK(key_location), c);
 210
 211     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 212     gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 213     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 214
 215     gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 216
 217     if (show)
 218         show_web_view(NULL, c);
 219     else
 220         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 221                          G_CALLBACK(show_web_view), c);
 222
 223     if (uri != NULL)
 224     {
 225         f = ensure_uri_scheme(uri);
 226         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 227         g_free(f);
 228     }
 229
 230     clients++;
 231
 232     return WEBKIT_WEB_VIEW(c->web_view);
 233 }
 234
 235 WebKitWebView *
 236 client_new_request(WebKitWebView *web_view,
 237                    WebKitNavigationAction *navigation_action, gpointer data)
 238 {
 239     return client_new(NULL, web_view, FALSE);
 240 }
 241
 242 void
 243 cooperation_setup(void)
 244 {
 245     GIOChannel *towatch;
 246     gchar *fifofilename, *fifopath;
 247
 248     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 249     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 250     g_free(fifofilename);
 251
 252     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 253         mkfifo(fifopath, 0600);
 254
 255     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 256     if (!cooperative_pipe_fp)
 257     {
 258         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 259     }
 260     else
 261     {
 262         if (write(cooperative_pipe_fp, "", 0) == -1)
 263         {
 264             /* Could not do an empty write to the FIFO which means there's
 265              * no one listening. */
 266             close(cooperative_pipe_fp);
 267             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 268             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 269         }
 270         else
 271             cooperative_alone = FALSE;
 272     }
 273
 274     g_free(fifopath);
 275 }
 276
 277 void
 278 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 279 {
 280     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 281     WebKitURIResponse *resp;
 282     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 283     gdouble p, size_mb;
 284     const gchar *uri;
 285     gchar *t, *filename, *base;
 286
 287     p = webkit_download_get_estimated_progress(download);
 288     p = p > 1 ? 1 : p;
 289     p = p < 0 ? 0 : p;
 290     p *= 100;
 291     resp = webkit_download_get_response(download);
 292     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 293
 294     uri = webkit_download_get_destination(download);
 295     filename = g_filename_from_uri(uri, NULL, NULL);
 296     if (filename == NULL)
 297     {
 298         /* This really should not happen because WebKit uses that URI to
 299          * write to a file... */
 300         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 301         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 302                             webkit_uri_response_get_uri(resp), p, size_mb);
 303     }
 304     else
 305     {
 306         base = g_path_get_basename(filename);
 307         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 308         g_free(filename);
 309         g_free(base);
 310     }
 311     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 312     g_free(t);
 313 }
 314
 315 void
 316 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 317 {
 318     struct Client *c = (struct Client *)data;
 319     gdouble p;
 320
 321     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 322     gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 323 }
 324
 325 void
 326 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 327 {
 328     const gchar *t, *u;
 329     struct Client *c = (struct Client *)data;
 330
 331     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 332     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 333
 334     u = u == NULL ? __NAME__ : u;
 335     u = u[0] == 0 ? __NAME__ : u;
 336
 337     t = t == NULL ? u : t;
 338     t = t[0] == 0 ? u : t;
 339
 340     gtk_window_set_title(GTK_WINDOW(c->win), t);
 341 }
 342
 343 void
 344 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 345 {
 346     const gchar *t;
 347     struct Client *c = (struct Client *)data;
 348     FILE *fp;
 349
 350     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 351     gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 352
 353     if (t != NULL && history_file != NULL)
 354     {
 355         fp = fopen(history_file, "a");
 356         if (fp != NULL)
 357         {
 358             fprintf(fp, "%s\n", t);
 359             fclose(fp);
 360         }
 361         else
 362             perror(__NAME__": Error opening history file");
 363     }
 364 }
 365
 366 gboolean
 367 crashed_web_view(WebKitWebView *web_view, gpointer data)
 368 {
 369     fprintf(stderr, __NAME__": WebView crashed!\n");
 370     if (crash_autoreload_delay >= 1)
 371     {
 372         fprintf(stderr, __NAME__": Reloading WebView in %d seconds.\n",
 373                 crash_autoreload_delay);
 374         g_timeout_add_seconds(crash_autoreload_delay, crashed_web_view_reload,
 375                               web_view);
 376     }
 377
 378     return TRUE;
 379 }
 380
 381 gboolean
 382 crashed_web_view_reload(gpointer data)
 383 {
 384     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(data));
 385
 386     return G_SOURCE_REMOVE;
 387 }
 388
 389 gboolean
 390 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 391               WebKitPolicyDecisionType type, gpointer data)
 392 {
 393     WebKitResponsePolicyDecision *r;
 394
 395     switch (type)
 396     {
 397         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 398             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 399             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 400                 webkit_policy_decision_download(decision);
 401             else
 402                 webkit_policy_decision_use(decision);
 403             break;
 404         default:
 405             /* Use whatever default there is. */
 406             return FALSE;
 407     }
 408     return TRUE;
 409 }
 410
 411 void
 412 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 413                       gpointer data)
 414 {
 415     g_signal_connect(G_OBJECT(download), "decide-destination",
 416                      G_CALLBACK(download_handle), data);
 417 }
 418
 419 gboolean
 420 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 421 {
 422     gchar *sug_clean, *path, *path2 = NULL, *uri;
 423     GtkToolItem *tb;
 424     int suffix = 1;
 425     size_t i;
 426
 427     sug_clean = g_strdup(suggested_filename);
 428     for (i = 0; i < strlen(sug_clean); i++)
 429         if (sug_clean[i] == G_DIR_SEPARATOR)
 430             sug_clean[i] = '_';
 431
 432     path = g_build_filename(download_dir, sug_clean, NULL);
 433     path2 = g_strdup(path);
 434     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 435     {
 436         g_free(path2);
 437
 438         path2 = g_strdup_printf("%s.%d", path, suffix);
 439         suffix++;
 440     }
 441
 442     if (suffix == 1000)
 443     {
 444         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 445         webkit_download_cancel(download);
 446     }
 447     else
 448     {
 449         uri = g_filename_to_uri(path2, NULL, NULL);
 450         webkit_download_set_destination(download, uri);
 451         g_free(uri);
 452
 453         tb = gtk_tool_button_new(NULL, NULL);
 454         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 455         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 456         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 457         gtk_widget_show_all(dm.win);
 458
 459         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 460                          G_CALLBACK(changed_download_progress), tb);
 461
 462         g_object_ref(download);
 463         g_signal_connect(G_OBJECT(tb), "clicked",
 464                          G_CALLBACK(downloadmanager_cancel), download);
 465     }
 466
 467     g_free(sug_clean);
 468     g_free(path);
 469     g_free(path2);
 470
 471     /* Propagate -- to whom it may concern. */
 472     return FALSE;
 473 }
 474
 475 void
 476 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 477 {
 478     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 479
 480     webkit_download_cancel(download);
 481     g_object_unref(download);
 482
 483     gtk_widget_destroy(GTK_WIDGET(tb));
 484 }
 485
 486 void
 487 downloadmanager_setup(void)
 488 {
 489     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 490     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 491     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 492     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 493     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 494                      G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 495     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 496                      G_CALLBACK(key_downloadmanager), NULL);
 497
 498     dm.toolbar = gtk_toolbar_new();
 499     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 500                                    GTK_ORIENTATION_VERTICAL);
 501     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 502     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 503
 504     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 505     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 506                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 507     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 508
 509     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 510 }
 511
 512 gchar *
 513 ensure_uri_scheme(const gchar *t)
 514 {
 515     gchar *f, *fabs;
 516
 517     f = g_ascii_strdown(t, -1);
 518     if (!g_str_has_prefix(f, "http:") &&
 519         !g_str_has_prefix(f, "https:") &&
 520         !g_str_has_prefix(f, "file:") &&
 521         !g_str_has_prefix(f, "about:"))
 522     {
 523         g_free(f);
 524         fabs = realpath(t, NULL);
 525         if (fabs != NULL)
 526         {
 527             f = g_strdup_printf("file://%s", fabs);
 528             free(fabs);
 529         }
 530         else
 531             f = g_strdup_printf("http://%s", t);
 532         return f;
 533     }
 534     else
 535         return g_strdup(t);
 536 }
 537
 538 void
 539 external_handler_run(GtkAction *action, gpointer data)
 540 {
 541     struct Client *c = (struct Client *)data;
 542     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 543     GPid pid;
 544     GError *err = NULL;
 545
 546     (void)action;
 547
 548     argv[2] = c->external_handler_uri;
 549     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 550                        &pid, &err))
 551     {
 552         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 553                 err->message);
 554         g_error_free(err);
 555     }
 556     else
 557         g_spawn_close_pid(pid);
 558 }
 559
 560 void
 561 grab_environment_configuration(void)
 562 {
 563     const gchar *e;
 564
 565     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 566     if (e != NULL)
 567         accepted_language[0] = g_strdup(e);
 568
 569     e = g_getenv(__NAME_UPPERCASE__"_CRASH_AUTORELOAD_DELAY");
 570     if (e != NULL)
 571         crash_autoreload_delay = atoi(e);
 572
 573     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 574     if (e != NULL)
 575         download_dir = g_strdup(e);
 576
 577     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 578     if (e != NULL)
 579         fifo_suffix = g_strdup(e);
 580
 581     e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE");
 582     if (e != NULL)
 583         history_file = g_strdup(e);
 584
 585     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 586     if (e != NULL)
 587         home_uri = g_strdup(e);
 588
 589     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 590     if (e != NULL)
 591         user_agent = g_strdup(e);
 592
 593     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 594     if (e != NULL)
 595         global_zoom = atof(e);
 596 }
 597
 598 void
 599 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 600                gpointer data)
 601 {
 602     struct Client *c = (struct Client *)data;
 603
 604     if (!gtk_widget_is_focus(c->location))
 605     {
 606         if (webkit_hit_test_result_context_is_link(ht))
 607         {
 608             gtk_entry_set_text(GTK_ENTRY(c->location),
 609                                webkit_hit_test_result_get_link_uri(ht));
 610
 611             if (c->hover_uri != NULL)
 612                 g_free(c->hover_uri);
 613             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 614         }
 615         else
 616         {
 617             gtk_entry_set_text(GTK_ENTRY(c->location),
 618                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 619
 620             if (c->hover_uri != NULL)
 621                 g_free(c->hover_uri);
 622             c->hover_uri = NULL;
 623         }
 624     }
 625 }
 626
 627 gboolean
 628 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 629 {
 630     struct Client *c = (struct Client *)data;
 631     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 632     gchar *f;
 633
 634     if (event->type == GDK_KEY_PRESS)
 635     {
 636         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 637         {
 638             switch (((GdkEventKey *)event)->keyval)
 639             {
 640                 case GDK_KEY_q:  /* close window (left hand) */
 641                     gtk_widget_destroy(c->win);
 642                     return TRUE;
 643                 case GDK_KEY_w:  /* home (left hand) */
 644                     f = ensure_uri_scheme(home_uri);
 645                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 646                     g_free(f);
 647                     return TRUE;
 648                 case GDK_KEY_e:  /* new tab (left hand) */
 649                     f = ensure_uri_scheme(home_uri);
 650                     client_new(f, NULL, TRUE);
 651                     g_free(f);
 652                     return TRUE;
 653                 case GDK_KEY_r:  /* reload (left hand) */
 654                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 655                                                         c->web_view));
 656                     return TRUE;
 657                 case GDK_KEY_d:  /* download manager (left hand) */
 658                     gtk_widget_show_all(dm.win);
 659                     return TRUE;
 660                 case GDK_KEY_2:  /* search forward (left hand) */
 661                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 662                     search(c, 1);
 663                     return TRUE;
 664                 case GDK_KEY_3:  /* search backward (left hand) */
 665                     search(c, -1);
 666                     return TRUE;
 667                 case GDK_KEY_l:  /* location (BOTH hands) */
 668                     gtk_widget_grab_focus(c->location);
 669                     return TRUE;
 670                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 671                     gtk_widget_grab_focus(c->location);
 672                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 673                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 674                     return TRUE;
 675                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 676                     trust_user_certs(wc);
 677                     return TRUE;
 678                 case GDK_KEY_x:  /* launch external handler (left hand) */
 679                     if (c->external_handler_uri != NULL)
 680                         g_free(c->external_handler_uri);
 681                     c->external_handler_uri = g_strdup(
 682                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 683                     external_handler_run(NULL, c);
 684                     return TRUE;
 685             }
 686         }
 687         /* navigate backward (left hand) */
 688         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 689         {
 690             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 691             return TRUE;
 692         }
 693         /* navigate forward (left hand) */
 694         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 695         {
 696             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 697             return TRUE;
 698         }
 699     }
 700
 701     return FALSE;
 702 }
 703
 704 gboolean
 705 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 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_d:  /* close window (left hand) */
 714                     gtk_widget_hide(dm.win);
 715                     return TRUE;
 716             }
 717         }
 718     }
 719
 720     return FALSE;
 721 }
 722
 723 gboolean
 724 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 725 {
 726     struct Client *c = (struct Client *)data;
 727     const gchar *t;
 728     gchar *f;
 729
 730     if (key_common(widget, event, data))
 731         return TRUE;
 732
 733     if (event->type == GDK_KEY_PRESS)
 734     {
 735         switch (((GdkEventKey *)event)->keyval)
 736         {
 737             case GDK_KEY_KP_Enter:
 738             case GDK_KEY_Return:
 739                 gtk_widget_grab_focus(c->web_view);
 740                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 741                 if (t != NULL && t[0] == ':' && t[1] == '/')
 742                 {
 743                     if (search_text != NULL)
 744                         g_free(search_text);
 745                     search_text = g_strdup(t + 2);  /* XXX whacky */
 746                     search(c, 0);
 747                 }
 748                 else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 749                 {
 750                     f = ensure_uri_scheme(t);
 751                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 752                     g_free(f);
 753                 }
 754                 return TRUE;
 755             case GDK_KEY_Escape:
 756                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 757                 gtk_entry_set_text(GTK_ENTRY(c->location),
 758                                    (t == NULL ? __NAME__ : t));
 759                 return TRUE;
 760         }
 761     }
 762
 763     return FALSE;
 764 }
 765
 766 gboolean
 767 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 768 {
 769     struct Client *c = (struct Client *)data;
 770     gdouble dx, dy;
 771     gfloat z;
 772
 773     if (key_common(widget, event, data))
 774         return TRUE;
 775
 776     if (event->type == GDK_KEY_PRESS)
 777     {
 778         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 779         {
 780             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 781             gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
 782         }
 783     }
 784     else if (event->type == GDK_BUTTON_PRESS)
 785     {
 786         switch (((GdkEventButton *)event)->button)
 787         {
 788             case 2:
 789                 if (c->hover_uri != NULL)
 790                 {
 791                     client_new(c->hover_uri, NULL, TRUE);
 792                     return TRUE;
 793                 }
 794                 break;
 795             case 8:
 796                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 797                 return TRUE;
 798             case 9:
 799                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 800                 return TRUE;
 801         }
 802     }
 803     else if (event->type == GDK_SCROLL)
 804     {
 805         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 806             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 807         {
 808             gdk_event_get_scroll_deltas(event, &dx, &dy);
 809             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 810             z += -dy * 0.1;
 811             z = dx != 0 ? global_zoom : z;
 812             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 813             return TRUE;
 814         }
 815     }
 816
 817     return FALSE;
 818 }
 819
 820 void
 821 keywords_load(void)
 822 {
 823     GError *err = NULL;
 824     GIOChannel *channel = NULL;
 825     gchar *path = NULL, *buf = NULL;
 826     gchar **tokens = NULL;
 827
 828     keywords = g_hash_table_new(g_str_hash, g_str_equal);
 829
 830     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 831                             NULL);
 832     channel = g_io_channel_new_file(path, "r", &err);
 833     if (channel != NULL)
 834     {
 835         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 836                == G_IO_STATUS_NORMAL)
 837         {
 838             g_strstrip(buf);
 839             if (buf[0] != '#')
 840             {
 841                 tokens = g_strsplit(buf, " ", 2);
 842                 if (tokens[0] != NULL && tokens[1] != NULL)
 843                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
 844                                         g_strdup(tokens[1]));
 845                 g_strfreev(tokens);
 846             }
 847             g_free(buf);
 848         }
 849         g_io_channel_shutdown(channel, FALSE, NULL);
 850     }
 851     g_free(path);
 852 }
 853
 854 gboolean
 855 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 856 {
 857     gboolean ret = FALSE;
 858     gchar **tokens = NULL;
 859     gchar *val = NULL, *uri = NULL;
 860
 861     tokens = g_strsplit(t, " ", 2);
 862     if (tokens[0] != NULL && tokens[1] != NULL)
 863     {
 864         val = g_hash_table_lookup(keywords, tokens[0]);
 865         if (val != NULL)
 866         {
 867             uri = g_strdup_printf((gchar *)val, tokens[1]);
 868             webkit_web_view_load_uri(web_view, uri);
 869             g_free(uri);
 870             ret = TRUE;
 871         }
 872     }
 873     g_strfreev(tokens);
 874
 875     return ret;
 876 }
 877
 878 gboolean
 879 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
 880               WebKitHitTestResult *ht, gpointer data)
 881 {
 882     struct Client *c = (struct Client *)data;
 883     GtkAction *action = NULL;
 884     WebKitContextMenuItem *mi = NULL;
 885     const gchar *uri = NULL;
 886
 887     (void)ev;
 888
 889     if (webkit_hit_test_result_context_is_link(ht))
 890         uri = webkit_hit_test_result_get_link_uri(ht);
 891     else if (webkit_hit_test_result_context_is_image(ht))
 892         uri = webkit_hit_test_result_get_image_uri(ht);
 893     else if (webkit_hit_test_result_context_is_media(ht))
 894         uri = webkit_hit_test_result_get_media_uri(ht);
 895
 896     if (uri != NULL)
 897     {
 898         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
 899
 900         if (c->external_handler_uri != NULL)
 901             g_free(c->external_handler_uri);
 902         c->external_handler_uri = g_strdup(uri);
 903         action = gtk_action_new("external_handler", "Open with external handler",
 904                                 NULL, NULL);
 905         g_signal_connect(G_OBJECT(action), "activate",
 906                          G_CALLBACK(external_handler_run), data);
 907         mi = webkit_context_menu_item_new(action);
 908         webkit_context_menu_append(menu, mi);
 909     }
 910
 911     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
 912     return FALSE;
 913 }
 914
 915 gboolean
 916 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 917 {
 918     gchar *uri = NULL;
 919
 920     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 921     if (uri)
 922     {
 923         g_strstrip(uri);
 924         client_new(uri, NULL, TRUE);
 925         g_free(uri);
 926     }
 927     return TRUE;
 928 }
 929
 930 void
 931 search(gpointer data, gint direction)
 932 {
 933     struct Client *c = (struct Client *)data;
 934     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 935     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 936
 937     if (search_text == NULL)
 938         return;
 939
 940     switch (direction)
 941     {
 942         case 0:
 943             webkit_find_controller_search(fc, search_text,
 944                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 945                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 946                                           G_MAXUINT);
 947             break;
 948         case 1:
 949             webkit_find_controller_search_next(fc);
 950             break;
 951         case -1:
 952             webkit_find_controller_search_previous(fc);
 953             break;
 954     }
 955 }
 956
 957 void
 958 show_web_view(WebKitWebView *web_view, gpointer data)
 959 {
 960     struct Client *c = (struct Client *)data;
 961
 962     (void)web_view;
 963
 964     gtk_widget_grab_focus(c->web_view);
 965     gtk_widget_show_all(c->win);
 966 }
 967
 968 Window
 969 tabbed_launch(void)
 970 {
 971     gint tabbed_stdout;
 972     GIOChannel *tabbed_stdout_channel;
 973     GError *err = NULL;
 974     gchar *output = NULL;
 975     char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 976     Window plug_into;
 977
 978     if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 979                                   NULL, NULL, NULL, &tabbed_stdout, NULL,
 980                                   &err))
 981     {
 982         fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 983         g_error_free(err);
 984         return 0;
 985     }
 986
 987     tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 988     if (tabbed_stdout_channel == NULL)
 989     {
 990         fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 991         return 0;
 992     }
 993     g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 994     g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 995     if (output == NULL)
 996     {
 997         fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 998         return 0;
 999     }
1000     g_strstrip(output);
1001     plug_into = strtol(output, NULL, 16);
1002     g_free(output);
1003     if (plug_into == 0)
1004         fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
1005     return plug_into;
1006 }
1007
1008 void
1009 trust_user_certs(WebKitWebContext *wc)
1010 {
1011     GTlsCertificate *cert;
1012     const gchar *basedir, *file, *absfile;
1013     GDir *dir;
1014
1015     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1016     dir = g_dir_open(basedir, 0, NULL);
1017     if (dir != NULL)
1018     {
1019         file = g_dir_read_name(dir);
1020         while (file != NULL)
1021         {
1022             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1023                                        file, NULL);
1024             cert = g_tls_certificate_new_from_file(absfile, NULL);
1025             if (cert == NULL)
1026                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1027             else
1028                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1029             file = g_dir_read_name(dir);
1030         }
1031         g_dir_close(dir);
1032     }
1033 }
1034
1035
1036 int
1037 main(int argc, char **argv)
1038 {
1039     gchar *c;
1040     int opt, i;
1041
1042     gtk_init(&argc, &argv);
1043     webkit_web_context_set_process_model(webkit_web_context_get_default(),
1044         WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1045
1046     grab_environment_configuration();
1047
1048     while ((opt = getopt(argc, argv, "e:CT")) != -1)
1049     {
1050         switch (opt)
1051         {
1052             case 'e':
1053                 embed = atol(optarg);
1054                 tabbed_automagic = FALSE;
1055                 break;
1056             case 'C':
1057                 cooperative_instances = FALSE;
1058                 break;
1059             case 'T':
1060                 tabbed_automagic = FALSE;
1061                 break;
1062             default:
1063                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1064                 exit(EXIT_FAILURE);
1065         }
1066     }
1067
1068     keywords_load();
1069     if (cooperative_instances)
1070         cooperation_setup();
1071     downloadmanager_setup();
1072
1073     if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
1074         embed = tabbed_launch();
1075
1076     if (!cooperative_instances || cooperative_alone)
1077     {
1078         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1079                              NULL);
1080         webkit_web_context_set_web_extensions_directory(
1081             webkit_web_context_get_default(), c
1082         );
1083     }
1084
1085     if (optind >= argc)
1086         client_new(home_uri, NULL, TRUE);
1087     else
1088     {
1089         for (i = optind; i < argc; i++)
1090             client_new(argv[i], NULL, TRUE);
1091     }
1092
1093     if (!cooperative_instances || cooperative_alone)
1094         gtk_main();
1095     exit(EXIT_SUCCESS);
1096 }