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 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_common(GtkWidget *, GdkEvent *, 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 void show_web_view(WebKitWebView *, gpointer);
  48 static Window tabbed_launch(void);
  49 static void trust_user_certs(WebKitWebContext *);
  50
  51
  52 struct Client
  53 {
  54     gchar *external_handler_uri;
  55     gchar *hover_uri;
  56     GtkWidget *location;
  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 gchar *download_dir = "/var/tmp";
  76 static Window embed = 0;
  77 static gchar *fifo_suffix = "main";
  78 static gdouble global_zoom = 1.0;
  79 static gchar *history_file = NULL;
  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, WebKitWebView *related_wv, gboolean show)
 115 {
 116     struct Client *c;
 117     WebKitWebContext *wc;
 118     gchar *f;
 119
 120     if (uri != NULL && cooperative_instances && !cooperative_alone)
 121     {
 122         f = ensure_uri_scheme(uri);
 123         write(cooperative_pipe_fp, f, strlen(f));
 124         write(cooperative_pipe_fp, "\n", 1);
 125         g_free(f);
 126         return NULL;
 127     }
 128
 129     c = calloc(1, sizeof(struct Client));
 130     if (!c)
 131     {
 132         fprintf(stderr, __NAME__": fatal: calloc failed\n");
 133         exit(EXIT_FAILURE);
 134     }
 135
 136     if (embed != 0)
 137     {
 138         c->win = gtk_plug_new(embed);
 139         if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 140         {
 141             fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 142             gtk_widget_destroy(c->win);
 143             c->win = NULL;
 144             embed = 0;
 145         }
 146     }
 147
 148     if (c->win == NULL)
 149         c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 150
 151     gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 152
 153     g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 154     gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 155
 156     if (related_wv == NULL)
 157         c->web_view = webkit_web_view_new();
 158     else
 159         c->web_view = webkit_web_view_new_with_related_view(related_wv);
 160     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 161
 162     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 163     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 164                      G_CALLBACK(changed_title), c);
 165     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 166                      G_CALLBACK(changed_uri), c);
 167     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 168                      G_CALLBACK(changed_load_progress), c);
 169     g_signal_connect(G_OBJECT(c->web_view), "create",
 170                      G_CALLBACK(client_new_request), NULL);
 171     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 172                      G_CALLBACK(menu_web_view), c);
 173     g_signal_connect(G_OBJECT(c->web_view), "close",
 174                      G_CALLBACK(client_destroy_request), c);
 175     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 176                      G_CALLBACK(decide_policy), NULL);
 177     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 178                      G_CALLBACK(key_web_view), c);
 179     g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 180                      G_CALLBACK(key_web_view), c);
 181     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 182                      G_CALLBACK(key_web_view), c);
 183     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 184                      G_CALLBACK(hover_web_view), c);
 185     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 186                      G_CALLBACK(crashed_web_view), c);
 187
 188     if (!initial_wc_setup_done)
 189     {
 190         if (accepted_language[0] != NULL)
 191             webkit_web_context_set_preferred_languages(wc, accepted_language);
 192
 193         g_signal_connect(G_OBJECT(wc), "download-started",
 194                          G_CALLBACK(download_handle_start), NULL);
 195
 196         trust_user_certs(wc);
 197
 198         initial_wc_setup_done = TRUE;
 199     }
 200
 201     if (user_agent != NULL)
 202         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 203                      "user-agent", user_agent, NULL);
 204
 205     c->location = gtk_entry_new();
 206     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 207                      G_CALLBACK(key_location), c);
 208
 209     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 210     gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 211     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 212
 213     gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 214
 215     if (show)
 216         show_web_view(NULL, c);
 217     else
 218         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 219                          G_CALLBACK(show_web_view), c);
 220
 221     if (uri != NULL)
 222     {
 223         f = ensure_uri_scheme(uri);
 224         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 225         g_free(f);
 226     }
 227
 228     clients++;
 229
 230     return WEBKIT_WEB_VIEW(c->web_view);
 231 }
 232
 233 WebKitWebView *
 234 client_new_request(WebKitWebView *web_view,
 235                    WebKitNavigationAction *navigation_action, gpointer data)
 236 {
 237     return client_new(NULL, web_view, FALSE);
 238 }
 239
 240 void
 241 cooperation_setup(void)
 242 {
 243     GIOChannel *towatch;
 244     gchar *fifofilename, *fifopath;
 245
 246     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 247     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 248     g_free(fifofilename);
 249
 250     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 251         mkfifo(fifopath, 0600);
 252
 253     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 254     if (!cooperative_pipe_fp)
 255     {
 256         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 257     }
 258     else
 259     {
 260         if (write(cooperative_pipe_fp, "", 0) == -1)
 261         {
 262             /* Could not do an empty write to the FIFO which means there's
 263              * no one listening. */
 264             close(cooperative_pipe_fp);
 265             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 266             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 267         }
 268         else
 269             cooperative_alone = FALSE;
 270     }
 271
 272     g_free(fifopath);
 273 }
 274
 275 void
 276 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 277 {
 278     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 279     WebKitURIResponse *resp;
 280     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 281     gdouble p, size_mb;
 282     const gchar *uri;
 283     gchar *t, *filename, *base;
 284
 285     p = webkit_download_get_estimated_progress(download);
 286     p = p > 1 ? 1 : p;
 287     p = p < 0 ? 0 : p;
 288     p *= 100;
 289     resp = webkit_download_get_response(download);
 290     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 291
 292     uri = webkit_download_get_destination(download);
 293     filename = g_filename_from_uri(uri, NULL, NULL);
 294     if (filename == NULL)
 295     {
 296         /* This really should not happen because WebKit uses that URI to
 297          * write to a file... */
 298         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 299         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 300                             webkit_uri_response_get_uri(resp), p, size_mb);
 301     }
 302     else
 303     {
 304         base = g_path_get_basename(filename);
 305         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 306         g_free(filename);
 307         g_free(base);
 308     }
 309     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 310     g_free(t);
 311 }
 312
 313 void
 314 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 315 {
 316     struct Client *c = (struct Client *)data;
 317     gdouble p;
 318
 319     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 320     gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 321 }
 322
 323 void
 324 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 325 {
 326     const gchar *t, *u;
 327     struct Client *c = (struct Client *)data;
 328
 329     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 330     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 331
 332     u = u == NULL ? __NAME__ : u;
 333     u = u[0] == 0 ? __NAME__ : u;
 334
 335     t = t == NULL ? u : t;
 336     t = t[0] == 0 ? u : t;
 337
 338     gtk_window_set_title(GTK_WINDOW(c->win), t);
 339 }
 340
 341 void
 342 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 343 {
 344     const gchar *t;
 345     struct Client *c = (struct Client *)data;
 346     FILE *fp;
 347
 348     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 349
 350     /* When a web process crashes, we get a "notify::uri" signal, but we
 351      * can no longer read a meaningful URI. It's just an empty string
 352      * now. Not updating the location bar in this scenario is important,
 353      * because we would override the "WEB PROCESS CRASHED" message. */
 354     if (t != NULL && strlen(t) > 0)
 355     {
 356         gtk_entry_set_text(GTK_ENTRY(c->location), t);
 357
 358         if (history_file != NULL)
 359         {
 360             fp = fopen(history_file, "a");
 361             if (fp != NULL)
 362             {
 363                 fprintf(fp, "%s\n", t);
 364                 fclose(fp);
 365             }
 366             else
 367                 perror(__NAME__": Error opening history file");
 368         }
 369     }
 370 }
 371
 372 gboolean
 373 crashed_web_view(WebKitWebView *web_view, gpointer data)
 374 {
 375     gchar *t;
 376     struct Client *c = (struct Client *)data;
 377
 378     t = g_strdup_printf("WEB PROCESS CRASHED: %s",
 379                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
 380     gtk_entry_set_text(GTK_ENTRY(c->location), t);
 381     g_free(t);
 382
 383     return TRUE;
 384 }
 385
 386 gboolean
 387 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 388               WebKitPolicyDecisionType type, gpointer data)
 389 {
 390     WebKitResponsePolicyDecision *r;
 391
 392     switch (type)
 393     {
 394         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 395             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 396             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 397                 webkit_policy_decision_download(decision);
 398             else
 399                 webkit_policy_decision_use(decision);
 400             break;
 401         default:
 402             /* Use whatever default there is. */
 403             return FALSE;
 404     }
 405     return TRUE;
 406 }
 407
 408 void
 409 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 410                       gpointer data)
 411 {
 412     g_signal_connect(G_OBJECT(download), "decide-destination",
 413                      G_CALLBACK(download_handle), data);
 414 }
 415
 416 gboolean
 417 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 418 {
 419     gchar *sug_clean, *path, *path2 = NULL, *uri;
 420     GtkToolItem *tb;
 421     int suffix = 1;
 422     size_t i;
 423
 424     sug_clean = g_strdup(suggested_filename);
 425     for (i = 0; i < strlen(sug_clean); i++)
 426         if (sug_clean[i] == G_DIR_SEPARATOR)
 427             sug_clean[i] = '_';
 428
 429     path = g_build_filename(download_dir, sug_clean, NULL);
 430     path2 = g_strdup(path);
 431     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 432     {
 433         g_free(path2);
 434
 435         path2 = g_strdup_printf("%s.%d", path, suffix);
 436         suffix++;
 437     }
 438
 439     if (suffix == 1000)
 440     {
 441         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 442         webkit_download_cancel(download);
 443     }
 444     else
 445     {
 446         uri = g_filename_to_uri(path2, NULL, NULL);
 447         webkit_download_set_destination(download, uri);
 448         g_free(uri);
 449
 450         tb = gtk_tool_button_new(NULL, NULL);
 451         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 452         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 453         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 454         gtk_widget_show_all(dm.win);
 455
 456         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 457                          G_CALLBACK(changed_download_progress), tb);
 458
 459         g_object_ref(download);
 460         g_signal_connect(G_OBJECT(tb), "clicked",
 461                          G_CALLBACK(downloadmanager_cancel), download);
 462     }
 463
 464     g_free(sug_clean);
 465     g_free(path);
 466     g_free(path2);
 467
 468     /* Propagate -- to whom it may concern. */
 469     return FALSE;
 470 }
 471
 472 void
 473 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 474 {
 475     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 476
 477     webkit_download_cancel(download);
 478     g_object_unref(download);
 479
 480     gtk_widget_destroy(GTK_WIDGET(tb));
 481 }
 482
 483 void
 484 downloadmanager_setup(void)
 485 {
 486     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 487     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 488     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 489     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 490     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 491                      G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 492     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 493                      G_CALLBACK(key_downloadmanager), NULL);
 494
 495     dm.toolbar = gtk_toolbar_new();
 496     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 497                                    GTK_ORIENTATION_VERTICAL);
 498     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 499     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 500
 501     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 502     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 503                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 504     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 505
 506     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 507 }
 508
 509 gchar *
 510 ensure_uri_scheme(const gchar *t)
 511 {
 512     gchar *f, *fabs;
 513
 514     f = g_ascii_strdown(t, -1);
 515     if (!g_str_has_prefix(f, "http:") &&
 516         !g_str_has_prefix(f, "https:") &&
 517         !g_str_has_prefix(f, "file:") &&
 518         !g_str_has_prefix(f, "about:"))
 519     {
 520         g_free(f);
 521         fabs = realpath(t, NULL);
 522         if (fabs != NULL)
 523         {
 524             f = g_strdup_printf("file://%s", fabs);
 525             free(fabs);
 526         }
 527         else
 528             f = g_strdup_printf("http://%s", t);
 529         return f;
 530     }
 531     else
 532         return g_strdup(t);
 533 }
 534
 535 void
 536 external_handler_run(GtkAction *action, gpointer data)
 537 {
 538     struct Client *c = (struct Client *)data;
 539     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 540     GPid pid;
 541     GError *err = NULL;
 542
 543     (void)action;
 544
 545     argv[2] = c->external_handler_uri;
 546     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 547                        &pid, &err))
 548     {
 549         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 550                 err->message);
 551         g_error_free(err);
 552     }
 553     else
 554         g_spawn_close_pid(pid);
 555 }
 556
 557 void
 558 grab_environment_configuration(void)
 559 {
 560     const gchar *e;
 561
 562     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 563     if (e != NULL)
 564         accepted_language[0] = g_strdup(e);
 565
 566     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 567     if (e != NULL)
 568         download_dir = g_strdup(e);
 569
 570     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 571     if (e != NULL)
 572         fifo_suffix = g_strdup(e);
 573
 574     e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE");
 575     if (e != NULL)
 576         history_file = g_strdup(e);
 577
 578     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 579     if (e != NULL)
 580         home_uri = g_strdup(e);
 581
 582     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 583     if (e != NULL)
 584         user_agent = g_strdup(e);
 585
 586     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 587     if (e != NULL)
 588         global_zoom = atof(e);
 589 }
 590
 591 void
 592 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 593                gpointer data)
 594 {
 595     struct Client *c = (struct Client *)data;
 596
 597     if (!gtk_widget_is_focus(c->location))
 598     {
 599         if (webkit_hit_test_result_context_is_link(ht))
 600         {
 601             gtk_entry_set_text(GTK_ENTRY(c->location),
 602                                webkit_hit_test_result_get_link_uri(ht));
 603
 604             if (c->hover_uri != NULL)
 605                 g_free(c->hover_uri);
 606             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 607         }
 608         else
 609         {
 610             gtk_entry_set_text(GTK_ENTRY(c->location),
 611                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 612
 613             if (c->hover_uri != NULL)
 614                 g_free(c->hover_uri);
 615             c->hover_uri = NULL;
 616         }
 617     }
 618 }
 619
 620 gboolean
 621 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 622 {
 623     struct Client *c = (struct Client *)data;
 624     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 625     gchar *f;
 626
 627     if (event->type == GDK_KEY_PRESS)
 628     {
 629         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 630         {
 631             switch (((GdkEventKey *)event)->keyval)
 632             {
 633                 case GDK_KEY_q:  /* close window (left hand) */
 634                     gtk_widget_destroy(c->win);
 635                     return TRUE;
 636                 case GDK_KEY_w:  /* home (left hand) */
 637                     f = ensure_uri_scheme(home_uri);
 638                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 639                     g_free(f);
 640                     return TRUE;
 641                 case GDK_KEY_e:  /* new tab (left hand) */
 642                     f = ensure_uri_scheme(home_uri);
 643                     client_new(f, NULL, TRUE);
 644                     g_free(f);
 645                     return TRUE;
 646                 case GDK_KEY_r:  /* reload (left hand) */
 647                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 648                                                         c->web_view));
 649                     return TRUE;
 650                 case GDK_KEY_d:  /* download manager (left hand) */
 651                     gtk_widget_show_all(dm.win);
 652                     return TRUE;
 653                 case GDK_KEY_2:  /* search forward (left hand) */
 654                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 655                     search(c, 1);
 656                     return TRUE;
 657                 case GDK_KEY_3:  /* search backward (left hand) */
 658                     search(c, -1);
 659                     return TRUE;
 660                 case GDK_KEY_l:  /* location (BOTH hands) */
 661                     gtk_widget_grab_focus(c->location);
 662                     return TRUE;
 663                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 664                     gtk_widget_grab_focus(c->location);
 665                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 666                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 667                     return TRUE;
 668                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 669                     trust_user_certs(wc);
 670                     return TRUE;
 671                 case GDK_KEY_x:  /* launch external handler (left hand) */
 672                     if (c->external_handler_uri != NULL)
 673                         g_free(c->external_handler_uri);
 674                     c->external_handler_uri = g_strdup(
 675                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 676                     external_handler_run(NULL, c);
 677                     return TRUE;
 678             }
 679         }
 680         /* navigate backward (left hand) */
 681         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 682         {
 683             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 684             return TRUE;
 685         }
 686         /* navigate forward (left hand) */
 687         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 688         {
 689             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 690             return TRUE;
 691         }
 692     }
 693
 694     return FALSE;
 695 }
 696
 697 gboolean
 698 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 699 {
 700     if (event->type == GDK_KEY_PRESS)
 701     {
 702         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 703         {
 704             switch (((GdkEventKey *)event)->keyval)
 705             {
 706                 case GDK_KEY_d:  /* close window (left hand) */
 707                     gtk_widget_hide(dm.win);
 708                     return TRUE;
 709             }
 710         }
 711     }
 712
 713     return FALSE;
 714 }
 715
 716 gboolean
 717 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 718 {
 719     struct Client *c = (struct Client *)data;
 720     const gchar *t;
 721     gchar *f;
 722
 723     if (key_common(widget, event, data))
 724         return TRUE;
 725
 726     if (event->type == GDK_KEY_PRESS)
 727     {
 728         switch (((GdkEventKey *)event)->keyval)
 729         {
 730             case GDK_KEY_KP_Enter:
 731             case GDK_KEY_Return:
 732                 gtk_widget_grab_focus(c->web_view);
 733                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 734                 if (t != NULL && t[0] == ':' && t[1] == '/')
 735                 {
 736                     if (search_text != NULL)
 737                         g_free(search_text);
 738                     search_text = g_strdup(t + 2);  /* XXX whacky */
 739                     search(c, 0);
 740                 }
 741                 else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 742                 {
 743                     f = ensure_uri_scheme(t);
 744                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 745                     g_free(f);
 746                 }
 747                 return TRUE;
 748             case GDK_KEY_Escape:
 749                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 750                 gtk_entry_set_text(GTK_ENTRY(c->location),
 751                                    (t == NULL ? __NAME__ : t));
 752                 return TRUE;
 753         }
 754     }
 755
 756     return FALSE;
 757 }
 758
 759 gboolean
 760 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 761 {
 762     struct Client *c = (struct Client *)data;
 763     gdouble dx, dy;
 764     gfloat z;
 765
 766     if (key_common(widget, event, data))
 767         return TRUE;
 768
 769     if (event->type == GDK_KEY_PRESS)
 770     {
 771         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 772         {
 773             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 774             gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
 775         }
 776     }
 777     else if (event->type == GDK_BUTTON_PRESS)
 778     {
 779         switch (((GdkEventButton *)event)->button)
 780         {
 781             case 2:
 782                 if (c->hover_uri != NULL)
 783                 {
 784                     client_new(c->hover_uri, NULL, TRUE);
 785                     return TRUE;
 786                 }
 787                 break;
 788             case 8:
 789                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 790                 return TRUE;
 791             case 9:
 792                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 793                 return TRUE;
 794         }
 795     }
 796     else if (event->type == GDK_SCROLL)
 797     {
 798         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 799             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 800         {
 801             gdk_event_get_scroll_deltas(event, &dx, &dy);
 802             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 803             z += -dy * 0.1;
 804             z = dx != 0 ? global_zoom : z;
 805             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 806             return TRUE;
 807         }
 808     }
 809
 810     return FALSE;
 811 }
 812
 813 void
 814 keywords_load(void)
 815 {
 816     GError *err = NULL;
 817     GIOChannel *channel = NULL;
 818     gchar *path = NULL, *buf = NULL;
 819     gchar **tokens = NULL;
 820
 821     keywords = g_hash_table_new(g_str_hash, g_str_equal);
 822
 823     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 824                             NULL);
 825     channel = g_io_channel_new_file(path, "r", &err);
 826     if (channel != NULL)
 827     {
 828         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 829                == G_IO_STATUS_NORMAL)
 830         {
 831             g_strstrip(buf);
 832             if (buf[0] != '#')
 833             {
 834                 tokens = g_strsplit(buf, " ", 2);
 835                 if (tokens[0] != NULL && tokens[1] != NULL)
 836                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
 837                                         g_strdup(tokens[1]));
 838                 g_strfreev(tokens);
 839             }
 840             g_free(buf);
 841         }
 842         g_io_channel_shutdown(channel, FALSE, NULL);
 843     }
 844     g_free(path);
 845 }
 846
 847 gboolean
 848 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 849 {
 850     gboolean ret = FALSE;
 851     gchar **tokens = NULL;
 852     gchar *val = NULL, *uri = NULL;
 853
 854     tokens = g_strsplit(t, " ", 2);
 855     if (tokens[0] != NULL && tokens[1] != NULL)
 856     {
 857         val = g_hash_table_lookup(keywords, tokens[0]);
 858         if (val != NULL)
 859         {
 860             uri = g_strdup_printf((gchar *)val, tokens[1]);
 861             webkit_web_view_load_uri(web_view, uri);
 862             g_free(uri);
 863             ret = TRUE;
 864         }
 865     }
 866     g_strfreev(tokens);
 867
 868     return ret;
 869 }
 870
 871 gboolean
 872 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
 873               WebKitHitTestResult *ht, gpointer data)
 874 {
 875     struct Client *c = (struct Client *)data;
 876     GtkAction *action = NULL;
 877     WebKitContextMenuItem *mi = NULL;
 878     const gchar *uri = NULL;
 879
 880     (void)ev;
 881
 882     if (webkit_hit_test_result_context_is_link(ht))
 883         uri = webkit_hit_test_result_get_link_uri(ht);
 884     else if (webkit_hit_test_result_context_is_image(ht))
 885         uri = webkit_hit_test_result_get_image_uri(ht);
 886     else if (webkit_hit_test_result_context_is_media(ht))
 887         uri = webkit_hit_test_result_get_media_uri(ht);
 888
 889     if (uri != NULL)
 890     {
 891         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
 892
 893         if (c->external_handler_uri != NULL)
 894             g_free(c->external_handler_uri);
 895         c->external_handler_uri = g_strdup(uri);
 896         action = gtk_action_new("external_handler", "Open with external handler",
 897                                 NULL, NULL);
 898         g_signal_connect(G_OBJECT(action), "activate",
 899                          G_CALLBACK(external_handler_run), data);
 900         mi = webkit_context_menu_item_new(action);
 901         webkit_context_menu_append(menu, mi);
 902     }
 903
 904     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
 905     return FALSE;
 906 }
 907
 908 gboolean
 909 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 910 {
 911     gchar *uri = NULL;
 912
 913     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 914     if (uri)
 915     {
 916         g_strstrip(uri);
 917         client_new(uri, NULL, TRUE);
 918         g_free(uri);
 919     }
 920     return TRUE;
 921 }
 922
 923 void
 924 search(gpointer data, gint direction)
 925 {
 926     struct Client *c = (struct Client *)data;
 927     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 928     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 929
 930     if (search_text == NULL)
 931         return;
 932
 933     switch (direction)
 934     {
 935         case 0:
 936             webkit_find_controller_search(fc, search_text,
 937                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 938                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 939                                           G_MAXUINT);
 940             break;
 941         case 1:
 942             webkit_find_controller_search_next(fc);
 943             break;
 944         case -1:
 945             webkit_find_controller_search_previous(fc);
 946             break;
 947     }
 948 }
 949
 950 void
 951 show_web_view(WebKitWebView *web_view, gpointer data)
 952 {
 953     struct Client *c = (struct Client *)data;
 954
 955     (void)web_view;
 956
 957     gtk_widget_grab_focus(c->web_view);
 958     gtk_widget_show_all(c->win);
 959 }
 960
 961 Window
 962 tabbed_launch(void)
 963 {
 964     gint tabbed_stdout;
 965     GIOChannel *tabbed_stdout_channel;
 966     GError *err = NULL;
 967     gchar *output = NULL;
 968     char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 969     Window plug_into;
 970
 971     if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 972                                   NULL, NULL, NULL, &tabbed_stdout, NULL,
 973                                   &err))
 974     {
 975         fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 976         g_error_free(err);
 977         return 0;
 978     }
 979
 980     tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 981     if (tabbed_stdout_channel == NULL)
 982     {
 983         fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 984         return 0;
 985     }
 986     g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 987     g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 988     if (output == NULL)
 989     {
 990         fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 991         return 0;
 992     }
 993     g_strstrip(output);
 994     plug_into = strtol(output, NULL, 16);
 995     g_free(output);
 996     if (plug_into == 0)
 997         fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
 998     return plug_into;
 999 }
1000
1001 void
1002 trust_user_certs(WebKitWebContext *wc)
1003 {
1004     GTlsCertificate *cert;
1005     const gchar *basedir, *file, *absfile;
1006     GDir *dir;
1007
1008     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1009     dir = g_dir_open(basedir, 0, NULL);
1010     if (dir != NULL)
1011     {
1012         file = g_dir_read_name(dir);
1013         while (file != NULL)
1014         {
1015             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1016                                        file, NULL);
1017             cert = g_tls_certificate_new_from_file(absfile, NULL);
1018             if (cert == NULL)
1019                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1020             else
1021                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1022             file = g_dir_read_name(dir);
1023         }
1024         g_dir_close(dir);
1025     }
1026 }
1027
1028
1029 int
1030 main(int argc, char **argv)
1031 {
1032     gchar *c;
1033     int opt, i;
1034
1035     gtk_init(&argc, &argv);
1036     webkit_web_context_set_process_model(webkit_web_context_get_default(),
1037         WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1038
1039     grab_environment_configuration();
1040
1041     while ((opt = getopt(argc, argv, "e:CT")) != -1)
1042     {
1043         switch (opt)
1044         {
1045             case 'e':
1046                 embed = atol(optarg);
1047                 tabbed_automagic = FALSE;
1048                 break;
1049             case 'C':
1050                 cooperative_instances = FALSE;
1051                 break;
1052             case 'T':
1053                 tabbed_automagic = FALSE;
1054                 break;
1055             default:
1056                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1057                 exit(EXIT_FAILURE);
1058         }
1059     }
1060
1061     keywords_load();
1062     if (cooperative_instances)
1063         cooperation_setup();
1064     downloadmanager_setup();
1065
1066     if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
1067         embed = tabbed_launch();
1068
1069     if (!cooperative_instances || cooperative_alone)
1070     {
1071         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1072                              NULL);
1073         webkit_web_context_set_web_extensions_directory(
1074             webkit_web_context_get_default(), c
1075         );
1076     }
1077
1078     if (optind >= argc)
1079         client_new(home_uri, NULL, TRUE);
1080     else
1081     {
1082         for (i = optind; i < argc; i++)
1083             client_new(argv[i], NULL, TRUE);
1084     }
1085
1086     if (!cooperative_instances || cooperative_alone)
1087         gtk_main();
1088     exit(EXIT_SUCCESS);
1089 }