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 *);
  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_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  39 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  40 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  41 static void keywords_load(void);
  42 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  43 static gboolean menu_web_view(WebKitWebView *, WebKitContextMenu *, GdkEvent *,
  44                               WebKitHitTestResult *, gpointer);
  45 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  46 static void search(gpointer, gint);
  47 static Window tabbed_launch(void);
  48 static void trust_user_certs(WebKitWebContext *);
  49
  50
  51 struct Client
  52 {
  53     gchar *external_handler_uri;
  54     gchar *hover_uri;
  55     GtkWidget *location;
  56     GtkWidget *progress;
  57     GtkWidget *top_box;
  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 *home_uri = "about:blank";
  82 static gboolean initial_wc_setup_done = FALSE;
  83 static GHashTable *keywords = NULL;
  84 static gchar *search_text = NULL;
  85 static gboolean tabbed_automagic = TRUE;
  86 static gchar *user_agent = NULL;
  87
  88
  89 void
  90 client_destroy(GtkWidget *obj, gpointer data)
  91 {
  92     struct Client *c = (struct Client *)data;
  93
  94     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
  95                                          changed_load_progress, c);
  96
  97     free(c);
  98     clients--;
  99
 100     if (clients == 0)
 101         gtk_main_quit();
 102 }
 103
 104 gboolean
 105 client_destroy_request(WebKitWebView *web_view, gpointer data)
 106 {
 107     struct Client *c = (struct Client *)data;
 108
 109     gtk_widget_destroy(c->win);
 110
 111     return TRUE;
 112 }
 113
 114 WebKitWebView *
 115 client_new(const gchar *uri)
 116 {
 117     struct Client *c;
 118     WebKitWebContext *wc;
 119     gchar *f;
 120
 121     if (uri != NULL && cooperative_instances && !cooperative_alone)
 122     {
 123         write(cooperative_pipe_fp, uri, strlen(uri));
 124         write(cooperative_pipe_fp, "\n", 1);
 125         return NULL;
 126     }
 127
 128     c = calloc(1, sizeof(struct Client));
 129     if (!c)
 130     {
 131         fprintf(stderr, __NAME__": fatal: calloc failed\n");
 132         exit(EXIT_FAILURE);
 133     }
 134
 135     if (embed != 0)
 136     {
 137         c->win = gtk_plug_new(embed);
 138         if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 139         {
 140             fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 141             gtk_widget_destroy(c->win);
 142             c->win = NULL;
 143             embed = 0;
 144         }
 145     }
 146
 147     if (c->win == NULL)
 148         c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 149
 150     gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 151
 152     g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 153     gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 154
 155     c->web_view = webkit_web_view_new();
 156     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 157
 158     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 159     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 160                      G_CALLBACK(changed_title), c);
 161     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 162                      G_CALLBACK(changed_uri), c);
 163     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 164                      G_CALLBACK(changed_load_progress), c);
 165     g_signal_connect(G_OBJECT(c->web_view), "create",
 166                      G_CALLBACK(client_new_request), NULL);
 167     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 168                      G_CALLBACK(menu_web_view), c);
 169     g_signal_connect(G_OBJECT(c->web_view), "close",
 170                      G_CALLBACK(client_destroy_request), c);
 171     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 172                      G_CALLBACK(decide_policy), NULL);
 173     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 174                      G_CALLBACK(key_web_view), c);
 175     g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 176                      G_CALLBACK(key_web_view), c);
 177     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 178                      G_CALLBACK(key_web_view), c);
 179     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 180                      G_CALLBACK(hover_web_view), c);
 181     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 182                      G_CALLBACK(crashed_web_view), c);
 183
 184     if (!initial_wc_setup_done)
 185     {
 186         if (accepted_language[0] != NULL)
 187             webkit_web_context_set_preferred_languages(wc, accepted_language);
 188
 189         g_signal_connect(G_OBJECT(wc), "download-started",
 190                          G_CALLBACK(download_handle_start), NULL);
 191
 192         trust_user_certs(wc);
 193
 194         initial_wc_setup_done = TRUE;
 195     }
 196
 197     if (user_agent != NULL)
 198         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 199                      "user-agent", user_agent, NULL);
 200
 201     c->location = gtk_entry_new();
 202     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 203                      G_CALLBACK(key_location), c);
 204
 205     /* XXX Progress bars don't work/look as intended anymore. Level bars
 206      * are a dirty workaround (kind of). */
 207     c->progress = gtk_level_bar_new();
 208     gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 1);
 209
 210     c->top_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 211     gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 212     gtk_box_pack_start(GTK_BOX(c->top_box), c->progress, FALSE, FALSE, 0);
 213
 214     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 215     gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 0);
 216     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 217
 218     gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 219
 220     gtk_widget_grab_focus(c->web_view);
 221     gtk_widget_show_all(c->win);
 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);
 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_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 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
 349     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 350     gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 351 }
 352
 353 gboolean
 354 crashed_web_view(WebKitWebView *web_view, gpointer data)
 355 {
 356     fprintf(stderr, __NAME__": WebView crashed!\n");
 357     if (crash_autoreload_delay >= 1)
 358     {
 359         fprintf(stderr, __NAME__": Reloading WebView in %d seconds.\n",
 360                 crash_autoreload_delay);
 361         g_timeout_add_seconds(crash_autoreload_delay, crashed_web_view_reload,
 362                               web_view);
 363     }
 364
 365     return TRUE;
 366 }
 367
 368 gboolean
 369 crashed_web_view_reload(gpointer data)
 370 {
 371     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(data));
 372
 373     return G_SOURCE_REMOVE;
 374 }
 375
 376 gboolean
 377 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 378               WebKitPolicyDecisionType type, gpointer data)
 379 {
 380     WebKitResponsePolicyDecision *r;
 381
 382     switch (type)
 383     {
 384         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 385             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 386             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 387                 webkit_policy_decision_download(decision);
 388             else
 389                 webkit_policy_decision_use(decision);
 390             break;
 391         default:
 392             /* Use whatever default there is. */
 393             return FALSE;
 394     }
 395     return TRUE;
 396 }
 397
 398 void
 399 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 400                       gpointer data)
 401 {
 402     g_signal_connect(G_OBJECT(download), "decide-destination",
 403                      G_CALLBACK(download_handle), data);
 404 }
 405
 406 gboolean
 407 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 408 {
 409     gchar *sug_clean, *path, *path2 = NULL, *uri;
 410     GtkToolItem *tb;
 411     int suffix = 1;
 412     size_t i;
 413
 414     sug_clean = g_strdup(suggested_filename);
 415     for (i = 0; i < strlen(sug_clean); i++)
 416         if (sug_clean[i] == G_DIR_SEPARATOR)
 417             sug_clean[i] = '_';
 418
 419     path = g_build_filename(download_dir, sug_clean, NULL);
 420     path2 = g_strdup(path);
 421     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 422     {
 423         g_free(path2);
 424
 425         path2 = g_strdup_printf("%s.%d", path, suffix);
 426         suffix++;
 427     }
 428
 429     if (suffix == 1000)
 430     {
 431         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 432         webkit_download_cancel(download);
 433     }
 434     else
 435     {
 436         uri = g_filename_to_uri(path2, NULL, NULL);
 437         webkit_download_set_destination(download, uri);
 438         g_free(uri);
 439
 440         tb = gtk_tool_button_new(NULL, NULL);
 441         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 442         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 443         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 444         gtk_widget_show_all(dm.win);
 445
 446         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 447                          G_CALLBACK(changed_download_progress), tb);
 448
 449         g_object_ref(download);
 450         g_signal_connect(G_OBJECT(tb), "clicked",
 451                          G_CALLBACK(downloadmanager_cancel), download);
 452     }
 453
 454     g_free(sug_clean);
 455     g_free(path);
 456     g_free(path2);
 457
 458     /* Propagate -- to whom it may concern. */
 459     return FALSE;
 460 }
 461
 462 void
 463 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 464 {
 465     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 466
 467     webkit_download_cancel(download);
 468     g_object_unref(download);
 469
 470     gtk_widget_destroy(GTK_WIDGET(tb));
 471 }
 472
 473 void
 474 downloadmanager_setup(void)
 475 {
 476     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 477     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 478     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 479     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 480     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 481                      G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 482     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 483                      G_CALLBACK(key_downloadmanager), NULL);
 484
 485     dm.toolbar = gtk_toolbar_new();
 486     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 487                                    GTK_ORIENTATION_VERTICAL);
 488     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 489     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 490
 491     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 492     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 493                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 494     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 495
 496     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 497 }
 498
 499 gchar *
 500 ensure_uri_scheme(const gchar *t)
 501 {
 502     gchar *f, *fabs;
 503
 504     f = g_ascii_strdown(t, -1);
 505     if (!g_str_has_prefix(f, "http:") &&
 506         !g_str_has_prefix(f, "https:") &&
 507         !g_str_has_prefix(f, "file:") &&
 508         !g_str_has_prefix(f, "about:"))
 509     {
 510         g_free(f);
 511         fabs = realpath(t, NULL);
 512         if (fabs != NULL)
 513         {
 514             f = g_strdup_printf("file://%s", fabs);
 515             free(fabs);
 516         }
 517         else
 518             f = g_strdup_printf("http://%s", t);
 519         return f;
 520     }
 521     else
 522         return g_strdup(t);
 523 }
 524
 525 void
 526 external_handler_run(GtkAction *action, gpointer data)
 527 {
 528     struct Client *c = (struct Client *)data;
 529     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 530     GPid pid;
 531     GError *err = NULL;
 532
 533     (void)action;
 534
 535     argv[2] = c->external_handler_uri;
 536     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 537                        &pid, &err))
 538     {
 539         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 540                 err->message);
 541         g_error_free(err);
 542     }
 543     else
 544         g_spawn_close_pid(pid);
 545 }
 546
 547 void
 548 grab_environment_configuration(void)
 549 {
 550     const gchar *e;
 551
 552     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 553     if (e != NULL)
 554         accepted_language[0] = g_strdup(e);
 555
 556     e = g_getenv(__NAME_UPPERCASE__"_CRASH_AUTORELOAD_DELAY");
 557     if (e != NULL)
 558         crash_autoreload_delay = atoi(e);
 559
 560     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 561     if (e != NULL)
 562         download_dir = g_strdup(e);
 563
 564     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 565     if (e != NULL)
 566         fifo_suffix = g_strdup(e);
 567
 568     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 569     if (e != NULL)
 570         home_uri = g_strdup(e);
 571
 572     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 573     if (e != NULL)
 574         user_agent = g_strdup(e);
 575
 576     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 577     if (e != NULL)
 578         global_zoom = atof(e);
 579 }
 580
 581 void
 582 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 583                gpointer data)
 584 {
 585     struct Client *c = (struct Client *)data;
 586
 587     if (!gtk_widget_is_focus(c->location))
 588     {
 589         if (webkit_hit_test_result_context_is_link(ht))
 590         {
 591             gtk_entry_set_text(GTK_ENTRY(c->location),
 592                                webkit_hit_test_result_get_link_uri(ht));
 593
 594             if (c->hover_uri != NULL)
 595                 g_free(c->hover_uri);
 596             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 597         }
 598         else
 599         {
 600             gtk_entry_set_text(GTK_ENTRY(c->location),
 601                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 602
 603             if (c->hover_uri != NULL)
 604                 g_free(c->hover_uri);
 605             c->hover_uri = NULL;
 606         }
 607     }
 608 }
 609
 610 gboolean
 611 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 612 {
 613     if (event->type == GDK_KEY_PRESS)
 614     {
 615         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 616         {
 617             switch (((GdkEventKey *)event)->keyval)
 618             {
 619                 case GDK_KEY_d:  /* close window (left hand) */
 620                     gtk_widget_hide(dm.win);
 621                     return TRUE;
 622             }
 623         }
 624     }
 625
 626     return FALSE;
 627 }
 628
 629 gboolean
 630 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 631 {
 632     struct Client *c = (struct Client *)data;
 633     const gchar *t;
 634     gchar *f;
 635     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 636
 637     if (event->type == GDK_KEY_PRESS)
 638     {
 639         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 640         {
 641             switch (((GdkEventKey *)event)->keyval)
 642             {
 643                 case GDK_KEY_q:  /* close window (left hand) */
 644                     gtk_widget_destroy(c->win);
 645                     return TRUE;
 646                 case GDK_KEY_d:  /* download manager (left hand) */
 647                     gtk_widget_show_all(dm.win);
 648                     return TRUE;
 649                 case GDK_KEY_r:  /* reload (left hand) */
 650                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 651                                                         c->web_view));
 652                     return TRUE;
 653                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 654                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 655                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 656                     return TRUE;
 657                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 658                     trust_user_certs(wc);
 659                     return TRUE;
 660                 case GDK_KEY_x:  /* launch external handler (left hand) */
 661                     if (c->external_handler_uri != NULL)
 662                         g_free(c->external_handler_uri);
 663                     c->external_handler_uri = g_strdup(
 664                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 665                     external_handler_run(NULL, c);
 666                     return TRUE;
 667             }
 668         }
 669         else
 670         {
 671             switch (((GdkEventKey *)event)->keyval)
 672             {
 673                 case GDK_KEY_KP_Enter:
 674                 case GDK_KEY_Return:
 675                     gtk_widget_grab_focus(c->web_view);
 676                     t = gtk_entry_get_text(GTK_ENTRY(c->location));
 677                     if (t != NULL && t[0] == ':' && t[1] == '/')
 678                     {
 679                         if (search_text != NULL)
 680                             g_free(search_text);
 681                         search_text = g_strdup(t + 2);  /* XXX whacky */
 682                         search(c, 0);
 683                     }
 684                     else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 685                     {
 686                         f = ensure_uri_scheme(t);
 687                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 688                         g_free(f);
 689                     }
 690                     return TRUE;
 691                 case GDK_KEY_Escape:
 692                     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 693                     gtk_entry_set_text(GTK_ENTRY(c->location),
 694                                        (t == NULL ? __NAME__ : t));
 695                     return TRUE;
 696             }
 697         }
 698     }
 699
 700     return FALSE;
 701 }
 702
 703 gboolean
 704 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 705 {
 706     struct Client *c = (struct Client *)data;
 707     gdouble dx, dy;
 708     gchar *f;
 709     gfloat z;
 710     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 711
 712     if (event->type == GDK_KEY_PRESS)
 713     {
 714         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 715         {
 716             switch (((GdkEventKey *)event)->keyval)
 717             {
 718                 case GDK_KEY_q:  /* close window (left hand) */
 719                     gtk_widget_destroy(c->win);
 720                     return TRUE;
 721                 case GDK_KEY_w:  /* home (left hand) */
 722                     f = ensure_uri_scheme(home_uri);
 723                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 724                     g_free(f);
 725                     return TRUE;
 726                 case GDK_KEY_e:  /* new tab (left hand) */
 727                     f = ensure_uri_scheme(home_uri);
 728                     client_new(f);
 729                     g_free(f);
 730                     return TRUE;
 731                 case GDK_KEY_r:  /* reload (left hand) */
 732                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 733                                                         c->web_view));
 734                     return TRUE;
 735                 case GDK_KEY_d:  /* download manager (left hand) */
 736                     gtk_widget_show_all(dm.win);
 737                     return TRUE;
 738                 case GDK_KEY_2:  /* search forward (left hand) */
 739                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 740                     search(c, 1);
 741                     return TRUE;
 742                 case GDK_KEY_3:  /* search backward (left hand) */
 743                     search(c, -1);
 744                     return TRUE;
 745                 case GDK_KEY_l:  /* location (BOTH hands) */
 746                     gtk_widget_grab_focus(c->location);
 747                     return TRUE;
 748                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 749                     gtk_widget_grab_focus(c->location);
 750                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 751                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 752                     return TRUE;
 753                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 754                     trust_user_certs(wc);
 755                     return TRUE;
 756                 case GDK_KEY_x:  /* launch external handler (left hand) */
 757                     if (c->external_handler_uri != NULL)
 758                         g_free(c->external_handler_uri);
 759                     c->external_handler_uri = g_strdup(
 760                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 761                     external_handler_run(NULL, c);
 762                     return TRUE;
 763             }
 764         }
 765         /* navigate backward (left hand) */
 766         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 767         {
 768             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 769             return TRUE;
 770         }
 771         /* navigate forward (left hand) */
 772         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 773         {
 774             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 775             return TRUE;
 776         }
 777         else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 778         {
 779             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 780             gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 781         }
 782     }
 783     else if (event->type == GDK_BUTTON_PRESS)
 784     {
 785         switch (((GdkEventButton *)event)->button)
 786         {
 787             case 2:
 788                 if (c->hover_uri != NULL)
 789                 {
 790                     client_new(c->hover_uri);
 791                     return TRUE;
 792                 }
 793                 break;
 794             case 8:
 795                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 796                 return TRUE;
 797             case 9:
 798                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 799                 return TRUE;
 800         }
 801     }
 802     else if (event->type == GDK_SCROLL)
 803     {
 804         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 805             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 806         {
 807             gdk_event_get_scroll_deltas(event, &dx, &dy);
 808             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 809             z += -dy * 0.1;
 810             z = dx != 0 ? global_zoom : z;
 811             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 812             return TRUE;
 813         }
 814     }
 815
 816     return FALSE;
 817 }
 818
 819 void
 820 keywords_load(void)
 821 {
 822     GError *err = NULL;
 823     GIOChannel *channel = NULL;
 824     gchar *path = NULL, *buf = NULL;
 825     gchar **tokens = NULL;
 826
 827     keywords = g_hash_table_new(g_str_hash, g_str_equal);
 828
 829     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 830                             NULL);
 831     channel = g_io_channel_new_file(path, "r", &err);
 832     if (channel != NULL)
 833     {
 834         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 835                == G_IO_STATUS_NORMAL)
 836         {
 837             g_strstrip(buf);
 838             if (buf[0] != '#')
 839             {
 840                 tokens = g_strsplit(buf, " ", 2);
 841                 if (tokens[0] != NULL && tokens[1] != NULL)
 842                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
 843                                         g_strdup(tokens[1]));
 844                 g_strfreev(tokens);
 845             }
 846             g_free(buf);
 847         }
 848         g_io_channel_shutdown(channel, FALSE, NULL);
 849     }
 850     g_free(path);
 851 }
 852
 853 gboolean
 854 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 855 {
 856     gboolean ret = FALSE;
 857     gchar **tokens = NULL;
 858     gchar *val = NULL, *uri = NULL;
 859
 860     tokens = g_strsplit(t, " ", 2);
 861     if (tokens[0] != NULL && tokens[1] != NULL)
 862     {
 863         val = g_hash_table_lookup(keywords, tokens[0]);
 864         if (val != NULL)
 865         {
 866             uri = g_strdup_printf((gchar *)val, tokens[1]);
 867             webkit_web_view_load_uri(web_view, uri);
 868             g_free(uri);
 869             ret = TRUE;
 870         }
 871     }
 872     g_strfreev(tokens);
 873
 874     return ret;
 875 }
 876
 877 gboolean
 878 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
 879               WebKitHitTestResult *ht, gpointer data)
 880 {
 881     struct Client *c = (struct Client *)data;
 882     GtkAction *action = NULL;
 883     WebKitContextMenuItem *mi = NULL;
 884     const gchar *uri = NULL;
 885
 886     (void)ev;
 887
 888     if (webkit_hit_test_result_context_is_link(ht))
 889         uri = webkit_hit_test_result_get_link_uri(ht);
 890     else if (webkit_hit_test_result_context_is_image(ht))
 891         uri = webkit_hit_test_result_get_image_uri(ht);
 892     else if (webkit_hit_test_result_context_is_media(ht))
 893         uri = webkit_hit_test_result_get_media_uri(ht);
 894
 895     if (uri != NULL)
 896     {
 897         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
 898
 899         if (c->external_handler_uri != NULL)
 900             g_free(c->external_handler_uri);
 901         c->external_handler_uri = g_strdup(uri);
 902         action = gtk_action_new("external_handler", "Open with external handler",
 903                                 NULL, NULL);
 904         g_signal_connect(G_OBJECT(action), "activate",
 905                          G_CALLBACK(external_handler_run), data);
 906         mi = webkit_context_menu_item_new(action);
 907         webkit_context_menu_append(menu, mi);
 908     }
 909
 910     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
 911     return FALSE;
 912 }
 913
 914 gboolean
 915 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 916 {
 917     gchar *uri = NULL;
 918
 919     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 920     if (uri)
 921     {
 922         g_strstrip(uri);
 923         client_new(uri);
 924         g_free(uri);
 925     }
 926     return TRUE;
 927 }
 928
 929 void
 930 search(gpointer data, gint direction)
 931 {
 932     struct Client *c = (struct Client *)data;
 933     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 934     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 935
 936     if (search_text == NULL)
 937         return;
 938
 939     switch (direction)
 940     {
 941         case 0:
 942             webkit_find_controller_search(fc, search_text,
 943                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 944                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 945                                           G_MAXUINT);
 946             break;
 947         case 1:
 948             webkit_find_controller_search_next(fc);
 949             break;
 950         case -1:
 951             webkit_find_controller_search_previous(fc);
 952             break;
 953     }
 954 }
 955
 956 Window
 957 tabbed_launch(void)
 958 {
 959     gint tabbed_stdout;
 960     GIOChannel *tabbed_stdout_channel;
 961     GError *err = NULL;
 962     gchar *output = NULL;
 963     char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 964     Window plug_into;
 965
 966     if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 967                                   NULL, NULL, NULL, &tabbed_stdout, NULL,
 968                                   &err))
 969     {
 970         fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 971         g_error_free(err);
 972         return 0;
 973     }
 974
 975     tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 976     if (tabbed_stdout_channel == NULL)
 977     {
 978         fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 979         return 0;
 980     }
 981     g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 982     g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 983     if (output == NULL)
 984     {
 985         fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 986         return 0;
 987     }
 988     g_strstrip(output);
 989     plug_into = strtol(output, NULL, 16);
 990     g_free(output);
 991     if (plug_into == 0)
 992         fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
 993     return plug_into;
 994 }
 995
 996 void
 997 trust_user_certs(WebKitWebContext *wc)
 998 {
 999     GTlsCertificate *cert;
1000     const gchar *basedir, *file, *absfile;
1001     GDir *dir;
1002
1003     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1004     dir = g_dir_open(basedir, 0, NULL);
1005     if (dir != NULL)
1006     {
1007         file = g_dir_read_name(dir);
1008         while (file != NULL)
1009         {
1010             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1011                                        file, NULL);
1012             cert = g_tls_certificate_new_from_file(absfile, NULL);
1013             if (cert == NULL)
1014                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1015             else
1016                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1017             file = g_dir_read_name(dir);
1018         }
1019         g_dir_close(dir);
1020     }
1021 }
1022
1023
1024 int
1025 main(int argc, char **argv)
1026 {
1027     gchar *c;
1028     int opt, i;
1029
1030     gtk_init(&argc, &argv);
1031
1032     grab_environment_configuration();
1033
1034     while ((opt = getopt(argc, argv, "e:CT")) != -1)
1035     {
1036         switch (opt)
1037         {
1038             case 'e':
1039                 embed = atol(optarg);
1040                 tabbed_automagic = FALSE;
1041                 break;
1042             case 'C':
1043                 cooperative_instances = FALSE;
1044                 break;
1045             case 'T':
1046                 tabbed_automagic = FALSE;
1047                 break;
1048             default:
1049                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1050                 exit(EXIT_FAILURE);
1051         }
1052     }
1053
1054     keywords_load();
1055     if (cooperative_instances)
1056         cooperation_setup();
1057     downloadmanager_setup();
1058
1059     if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
1060         embed = tabbed_launch();
1061
1062     if (!cooperative_instances || cooperative_alone)
1063     {
1064         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1065                              NULL);
1066         webkit_web_context_set_web_extensions_directory(
1067             webkit_web_context_get_default(), c
1068         );
1069     }
1070
1071     if (optind >= argc)
1072         client_new(home_uri);
1073     else
1074     {
1075         for (i = optind; i < argc; i++)
1076             client_new(argv[i]);
1077     }
1078
1079     if (!cooperative_instances || cooperative_alone)
1080         gtk_main();
1081     exit(EXIT_SUCCESS);
1082 }