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 *, 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_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 *progress;
  58     GtkWidget *top_box;
  59     GtkWidget *vbox;
  60     GtkWidget *web_view;
  61     GtkWidget *win;
  62 };
  63
  64 struct DownloadManager
  65 {
  66     GtkWidget *scroll;
  67     GtkWidget *toolbar;
  68     GtkWidget *win;
  69 } dm;
  70
  71
  72 static const gchar *accepted_language[2] = { NULL, NULL };
  73 static gint clients = 0;
  74 static gboolean cooperative_alone = TRUE;
  75 static gboolean cooperative_instances = TRUE;
  76 static int cooperative_pipe_fp = 0;
  77 static int crash_autoreload_delay = 2;
  78 static gchar *download_dir = "/var/tmp";
  79 static Window embed = 0;
  80 static gchar *fifo_suffix = "main";
  81 static gdouble global_zoom = 1.0;
  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, gboolean show)
 117 {
 118     struct Client *c;
 119     WebKitWebContext *wc;
 120     gchar *f;
 121
 122     if (uri != NULL && cooperative_instances && !cooperative_alone)
 123     {
 124         write(cooperative_pipe_fp, uri, strlen(uri));
 125         write(cooperative_pipe_fp, "\n", 1);
 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     c->web_view = webkit_web_view_new();
 157     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 158
 159     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 160     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 161                      G_CALLBACK(changed_title), c);
 162     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 163                      G_CALLBACK(changed_uri), c);
 164     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 165                      G_CALLBACK(changed_load_progress), c);
 166     g_signal_connect(G_OBJECT(c->web_view), "create",
 167                      G_CALLBACK(client_new_request), NULL);
 168     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 169                      G_CALLBACK(menu_web_view), c);
 170     g_signal_connect(G_OBJECT(c->web_view), "close",
 171                      G_CALLBACK(client_destroy_request), c);
 172     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 173                      G_CALLBACK(decide_policy), NULL);
 174     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 175                      G_CALLBACK(key_web_view), c);
 176     g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 177                      G_CALLBACK(key_web_view), c);
 178     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 179                      G_CALLBACK(key_web_view), c);
 180     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 181                      G_CALLBACK(hover_web_view), c);
 182     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 183                      G_CALLBACK(crashed_web_view), c);
 184
 185     if (!initial_wc_setup_done)
 186     {
 187         if (accepted_language[0] != NULL)
 188             webkit_web_context_set_preferred_languages(wc, accepted_language);
 189
 190         g_signal_connect(G_OBJECT(wc), "download-started",
 191                          G_CALLBACK(download_handle_start), NULL);
 192
 193         trust_user_certs(wc);
 194
 195         initial_wc_setup_done = TRUE;
 196     }
 197
 198     if (user_agent != NULL)
 199         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 200                      "user-agent", user_agent, NULL);
 201
 202     c->location = gtk_entry_new();
 203     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 204                      G_CALLBACK(key_location), c);
 205
 206     /* XXX Progress bars don't work/look as intended anymore. Level bars
 207      * are a dirty workaround (kind of). */
 208     c->progress = gtk_level_bar_new();
 209     gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 1);
 210
 211     c->top_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 212     gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 213     gtk_box_pack_start(GTK_BOX(c->top_box), c->progress, FALSE, FALSE, 0);
 214
 215     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 216     gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 0);
 217     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 218
 219     gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 220
 221     if (show)
 222         show_web_view(NULL, c);
 223     else
 224         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 225                          G_CALLBACK(show_web_view), c);
 226
 227     if (uri != NULL)
 228     {
 229         f = ensure_uri_scheme(uri);
 230         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 231         g_free(f);
 232     }
 233
 234     clients++;
 235
 236     return WEBKIT_WEB_VIEW(c->web_view);
 237 }
 238
 239 WebKitWebView *
 240 client_new_request(WebKitWebView *web_view,
 241                    WebKitNavigationAction *navigation_action, gpointer data)
 242 {
 243     return client_new(NULL, FALSE);
 244 }
 245
 246 void
 247 cooperation_setup(void)
 248 {
 249     GIOChannel *towatch;
 250     gchar *fifofilename, *fifopath;
 251
 252     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 253     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 254     g_free(fifofilename);
 255
 256     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 257         mkfifo(fifopath, 0600);
 258
 259     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 260     if (!cooperative_pipe_fp)
 261     {
 262         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 263     }
 264     else
 265     {
 266         if (write(cooperative_pipe_fp, "", 0) == -1)
 267         {
 268             /* Could not do an empty write to the FIFO which means there's
 269              * no one listening. */
 270             close(cooperative_pipe_fp);
 271             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 272             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 273         }
 274         else
 275             cooperative_alone = FALSE;
 276     }
 277
 278     g_free(fifopath);
 279 }
 280
 281 void
 282 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 283 {
 284     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 285     WebKitURIResponse *resp;
 286     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 287     gdouble p, size_mb;
 288     const gchar *uri;
 289     gchar *t, *filename, *base;
 290
 291     p = webkit_download_get_estimated_progress(download);
 292     p = p > 1 ? 1 : p;
 293     p = p < 0 ? 0 : p;
 294     p *= 100;
 295     resp = webkit_download_get_response(download);
 296     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 297
 298     uri = webkit_download_get_destination(download);
 299     filename = g_filename_from_uri(uri, NULL, NULL);
 300     if (filename == NULL)
 301     {
 302         /* This really should not happen because WebKit uses that URI to
 303          * write to a file... */
 304         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 305         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 306                             webkit_uri_response_get_uri(resp), p, size_mb);
 307     }
 308     else
 309     {
 310         base = g_path_get_basename(filename);
 311         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 312         g_free(filename);
 313         g_free(base);
 314     }
 315     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 316     g_free(t);
 317 }
 318
 319 void
 320 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 321 {
 322     struct Client *c = (struct Client *)data;
 323     gdouble p;
 324
 325     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 326     gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), p);
 327 }
 328
 329 void
 330 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 331 {
 332     const gchar *t, *u;
 333     struct Client *c = (struct Client *)data;
 334
 335     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 336     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 337
 338     u = u == NULL ? __NAME__ : u;
 339     u = u[0] == 0 ? __NAME__ : u;
 340
 341     t = t == NULL ? u : t;
 342     t = t[0] == 0 ? u : t;
 343
 344     gtk_window_set_title(GTK_WINDOW(c->win), t);
 345 }
 346
 347 void
 348 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 349 {
 350     const gchar *t;
 351     struct Client *c = (struct Client *)data;
 352
 353     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 354     gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 355 }
 356
 357 gboolean
 358 crashed_web_view(WebKitWebView *web_view, gpointer data)
 359 {
 360     fprintf(stderr, __NAME__": WebView crashed!\n");
 361     if (crash_autoreload_delay >= 1)
 362     {
 363         fprintf(stderr, __NAME__": Reloading WebView in %d seconds.\n",
 364                 crash_autoreload_delay);
 365         g_timeout_add_seconds(crash_autoreload_delay, crashed_web_view_reload,
 366                               web_view);
 367     }
 368
 369     return TRUE;
 370 }
 371
 372 gboolean
 373 crashed_web_view_reload(gpointer data)
 374 {
 375     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(data));
 376
 377     return G_SOURCE_REMOVE;
 378 }
 379
 380 gboolean
 381 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 382               WebKitPolicyDecisionType type, gpointer data)
 383 {
 384     WebKitResponsePolicyDecision *r;
 385
 386     switch (type)
 387     {
 388         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 389             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 390             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 391                 webkit_policy_decision_download(decision);
 392             else
 393                 webkit_policy_decision_use(decision);
 394             break;
 395         default:
 396             /* Use whatever default there is. */
 397             return FALSE;
 398     }
 399     return TRUE;
 400 }
 401
 402 void
 403 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 404                       gpointer data)
 405 {
 406     g_signal_connect(G_OBJECT(download), "decide-destination",
 407                      G_CALLBACK(download_handle), data);
 408 }
 409
 410 gboolean
 411 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 412 {
 413     gchar *sug_clean, *path, *path2 = NULL, *uri;
 414     GtkToolItem *tb;
 415     int suffix = 1;
 416     size_t i;
 417
 418     sug_clean = g_strdup(suggested_filename);
 419     for (i = 0; i < strlen(sug_clean); i++)
 420         if (sug_clean[i] == G_DIR_SEPARATOR)
 421             sug_clean[i] = '_';
 422
 423     path = g_build_filename(download_dir, sug_clean, NULL);
 424     path2 = g_strdup(path);
 425     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 426     {
 427         g_free(path2);
 428
 429         path2 = g_strdup_printf("%s.%d", path, suffix);
 430         suffix++;
 431     }
 432
 433     if (suffix == 1000)
 434     {
 435         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 436         webkit_download_cancel(download);
 437     }
 438     else
 439     {
 440         uri = g_filename_to_uri(path2, NULL, NULL);
 441         webkit_download_set_destination(download, uri);
 442         g_free(uri);
 443
 444         tb = gtk_tool_button_new(NULL, NULL);
 445         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 446         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 447         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 448         gtk_widget_show_all(dm.win);
 449
 450         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 451                          G_CALLBACK(changed_download_progress), tb);
 452
 453         g_object_ref(download);
 454         g_signal_connect(G_OBJECT(tb), "clicked",
 455                          G_CALLBACK(downloadmanager_cancel), download);
 456     }
 457
 458     g_free(sug_clean);
 459     g_free(path);
 460     g_free(path2);
 461
 462     /* Propagate -- to whom it may concern. */
 463     return FALSE;
 464 }
 465
 466 void
 467 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 468 {
 469     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 470
 471     webkit_download_cancel(download);
 472     g_object_unref(download);
 473
 474     gtk_widget_destroy(GTK_WIDGET(tb));
 475 }
 476
 477 void
 478 downloadmanager_setup(void)
 479 {
 480     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 481     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 482     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 483     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 484     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 485                      G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 486     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 487                      G_CALLBACK(key_downloadmanager), NULL);
 488
 489     dm.toolbar = gtk_toolbar_new();
 490     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 491                                    GTK_ORIENTATION_VERTICAL);
 492     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 493     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 494
 495     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 496     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 497                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 498     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 499
 500     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 501 }
 502
 503 gchar *
 504 ensure_uri_scheme(const gchar *t)
 505 {
 506     gchar *f, *fabs;
 507
 508     f = g_ascii_strdown(t, -1);
 509     if (!g_str_has_prefix(f, "http:") &&
 510         !g_str_has_prefix(f, "https:") &&
 511         !g_str_has_prefix(f, "file:") &&
 512         !g_str_has_prefix(f, "about:"))
 513     {
 514         g_free(f);
 515         fabs = realpath(t, NULL);
 516         if (fabs != NULL)
 517         {
 518             f = g_strdup_printf("file://%s", fabs);
 519             free(fabs);
 520         }
 521         else
 522             f = g_strdup_printf("http://%s", t);
 523         return f;
 524     }
 525     else
 526         return g_strdup(t);
 527 }
 528
 529 void
 530 external_handler_run(GtkAction *action, gpointer data)
 531 {
 532     struct Client *c = (struct Client *)data;
 533     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 534     GPid pid;
 535     GError *err = NULL;
 536
 537     (void)action;
 538
 539     argv[2] = c->external_handler_uri;
 540     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 541                        &pid, &err))
 542     {
 543         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 544                 err->message);
 545         g_error_free(err);
 546     }
 547     else
 548         g_spawn_close_pid(pid);
 549 }
 550
 551 void
 552 grab_environment_configuration(void)
 553 {
 554     const gchar *e;
 555
 556     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 557     if (e != NULL)
 558         accepted_language[0] = g_strdup(e);
 559
 560     e = g_getenv(__NAME_UPPERCASE__"_CRASH_AUTORELOAD_DELAY");
 561     if (e != NULL)
 562         crash_autoreload_delay = atoi(e);
 563
 564     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 565     if (e != NULL)
 566         download_dir = g_strdup(e);
 567
 568     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 569     if (e != NULL)
 570         fifo_suffix = g_strdup(e);
 571
 572     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 573     if (e != NULL)
 574         home_uri = g_strdup(e);
 575
 576     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 577     if (e != NULL)
 578         user_agent = g_strdup(e);
 579
 580     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 581     if (e != NULL)
 582         global_zoom = atof(e);
 583 }
 584
 585 void
 586 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 587                gpointer data)
 588 {
 589     struct Client *c = (struct Client *)data;
 590
 591     if (!gtk_widget_is_focus(c->location))
 592     {
 593         if (webkit_hit_test_result_context_is_link(ht))
 594         {
 595             gtk_entry_set_text(GTK_ENTRY(c->location),
 596                                webkit_hit_test_result_get_link_uri(ht));
 597
 598             if (c->hover_uri != NULL)
 599                 g_free(c->hover_uri);
 600             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 601         }
 602         else
 603         {
 604             gtk_entry_set_text(GTK_ENTRY(c->location),
 605                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 606
 607             if (c->hover_uri != NULL)
 608                 g_free(c->hover_uri);
 609             c->hover_uri = NULL;
 610         }
 611     }
 612 }
 613
 614 gboolean
 615 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 616 {
 617     if (event->type == GDK_KEY_PRESS)
 618     {
 619         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 620         {
 621             switch (((GdkEventKey *)event)->keyval)
 622             {
 623                 case GDK_KEY_d:  /* close window (left hand) */
 624                     gtk_widget_hide(dm.win);
 625                     return TRUE;
 626             }
 627         }
 628     }
 629
 630     return FALSE;
 631 }
 632
 633 gboolean
 634 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 635 {
 636     struct Client *c = (struct Client *)data;
 637     const gchar *t;
 638     gchar *f;
 639     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 640
 641     if (event->type == GDK_KEY_PRESS)
 642     {
 643         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 644         {
 645             switch (((GdkEventKey *)event)->keyval)
 646             {
 647                 case GDK_KEY_q:  /* close window (left hand) */
 648                     gtk_widget_destroy(c->win);
 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_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_k:  /* initiate search (BOTH hands) */
 658                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 659                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 660                     return TRUE;
 661                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 662                     trust_user_certs(wc);
 663                     return TRUE;
 664                 case GDK_KEY_x:  /* launch external handler (left hand) */
 665                     if (c->external_handler_uri != NULL)
 666                         g_free(c->external_handler_uri);
 667                     c->external_handler_uri = g_strdup(
 668                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 669                     external_handler_run(NULL, c);
 670                     return TRUE;
 671             }
 672         }
 673         else
 674         {
 675             switch (((GdkEventKey *)event)->keyval)
 676             {
 677                 case GDK_KEY_KP_Enter:
 678                 case GDK_KEY_Return:
 679                     gtk_widget_grab_focus(c->web_view);
 680                     t = gtk_entry_get_text(GTK_ENTRY(c->location));
 681                     if (t != NULL && t[0] == ':' && t[1] == '/')
 682                     {
 683                         if (search_text != NULL)
 684                             g_free(search_text);
 685                         search_text = g_strdup(t + 2);  /* XXX whacky */
 686                         search(c, 0);
 687                     }
 688                     else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 689                     {
 690                         f = ensure_uri_scheme(t);
 691                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 692                         g_free(f);
 693                     }
 694                     return TRUE;
 695                 case GDK_KEY_Escape:
 696                     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 697                     gtk_entry_set_text(GTK_ENTRY(c->location),
 698                                        (t == NULL ? __NAME__ : t));
 699                     return TRUE;
 700             }
 701         }
 702     }
 703
 704     return FALSE;
 705 }
 706
 707 gboolean
 708 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 709 {
 710     struct Client *c = (struct Client *)data;
 711     gdouble dx, dy;
 712     gchar *f;
 713     gfloat z;
 714     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 715
 716     if (event->type == GDK_KEY_PRESS)
 717     {
 718         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 719         {
 720             switch (((GdkEventKey *)event)->keyval)
 721             {
 722                 case GDK_KEY_q:  /* close window (left hand) */
 723                     gtk_widget_destroy(c->win);
 724                     return TRUE;
 725                 case GDK_KEY_w:  /* home (left hand) */
 726                     f = ensure_uri_scheme(home_uri);
 727                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 728                     g_free(f);
 729                     return TRUE;
 730                 case GDK_KEY_e:  /* new tab (left hand) */
 731                     f = ensure_uri_scheme(home_uri);
 732                     client_new(f, TRUE);
 733                     g_free(f);
 734                     return TRUE;
 735                 case GDK_KEY_r:  /* reload (left hand) */
 736                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 737                                                         c->web_view));
 738                     return TRUE;
 739                 case GDK_KEY_d:  /* download manager (left hand) */
 740                     gtk_widget_show_all(dm.win);
 741                     return TRUE;
 742                 case GDK_KEY_2:  /* search forward (left hand) */
 743                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 744                     search(c, 1);
 745                     return TRUE;
 746                 case GDK_KEY_3:  /* search backward (left hand) */
 747                     search(c, -1);
 748                     return TRUE;
 749                 case GDK_KEY_l:  /* location (BOTH hands) */
 750                     gtk_widget_grab_focus(c->location);
 751                     return TRUE;
 752                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 753                     gtk_widget_grab_focus(c->location);
 754                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 755                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 756                     return TRUE;
 757                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 758                     trust_user_certs(wc);
 759                     return TRUE;
 760                 case GDK_KEY_x:  /* launch external handler (left hand) */
 761                     if (c->external_handler_uri != NULL)
 762                         g_free(c->external_handler_uri);
 763                     c->external_handler_uri = g_strdup(
 764                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 765                     external_handler_run(NULL, c);
 766                     return TRUE;
 767             }
 768         }
 769         /* navigate backward (left hand) */
 770         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 771         {
 772             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 773             return TRUE;
 774         }
 775         /* navigate forward (left hand) */
 776         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 777         {
 778             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 779             return TRUE;
 780         }
 781         else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 782         {
 783             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 784             gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 785         }
 786     }
 787     else if (event->type == GDK_BUTTON_PRESS)
 788     {
 789         switch (((GdkEventButton *)event)->button)
 790         {
 791             case 2:
 792                 if (c->hover_uri != NULL)
 793                 {
 794                     client_new(c->hover_uri, TRUE);
 795                     return TRUE;
 796                 }
 797                 break;
 798             case 8:
 799                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 800                 return TRUE;
 801             case 9:
 802                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 803                 return TRUE;
 804         }
 805     }
 806     else if (event->type == GDK_SCROLL)
 807     {
 808         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 809             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 810         {
 811             gdk_event_get_scroll_deltas(event, &dx, &dy);
 812             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 813             z += -dy * 0.1;
 814             z = dx != 0 ? global_zoom : z;
 815             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 816             return TRUE;
 817         }
 818     }
 819
 820     return FALSE;
 821 }
 822
 823 void
 824 keywords_load(void)
 825 {
 826     GError *err = NULL;
 827     GIOChannel *channel = NULL;
 828     gchar *path = NULL, *buf = NULL;
 829     gchar **tokens = NULL;
 830
 831     keywords = g_hash_table_new(g_str_hash, g_str_equal);
 832
 833     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 834                             NULL);
 835     channel = g_io_channel_new_file(path, "r", &err);
 836     if (channel != NULL)
 837     {
 838         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 839                == G_IO_STATUS_NORMAL)
 840         {
 841             g_strstrip(buf);
 842             if (buf[0] != '#')
 843             {
 844                 tokens = g_strsplit(buf, " ", 2);
 845                 if (tokens[0] != NULL && tokens[1] != NULL)
 846                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
 847                                         g_strdup(tokens[1]));
 848                 g_strfreev(tokens);
 849             }
 850             g_free(buf);
 851         }
 852         g_io_channel_shutdown(channel, FALSE, NULL);
 853     }
 854     g_free(path);
 855 }
 856
 857 gboolean
 858 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 859 {
 860     gboolean ret = FALSE;
 861     gchar **tokens = NULL;
 862     gchar *val = NULL, *uri = NULL;
 863
 864     tokens = g_strsplit(t, " ", 2);
 865     if (tokens[0] != NULL && tokens[1] != NULL)
 866     {
 867         val = g_hash_table_lookup(keywords, tokens[0]);
 868         if (val != NULL)
 869         {
 870             uri = g_strdup_printf((gchar *)val, tokens[1]);
 871             webkit_web_view_load_uri(web_view, uri);
 872             g_free(uri);
 873             ret = TRUE;
 874         }
 875     }
 876     g_strfreev(tokens);
 877
 878     return ret;
 879 }
 880
 881 gboolean
 882 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
 883               WebKitHitTestResult *ht, gpointer data)
 884 {
 885     struct Client *c = (struct Client *)data;
 886     GtkAction *action = NULL;
 887     WebKitContextMenuItem *mi = NULL;
 888     const gchar *uri = NULL;
 889
 890     (void)ev;
 891
 892     if (webkit_hit_test_result_context_is_link(ht))
 893         uri = webkit_hit_test_result_get_link_uri(ht);
 894     else if (webkit_hit_test_result_context_is_image(ht))
 895         uri = webkit_hit_test_result_get_image_uri(ht);
 896     else if (webkit_hit_test_result_context_is_media(ht))
 897         uri = webkit_hit_test_result_get_media_uri(ht);
 898
 899     if (uri != NULL)
 900     {
 901         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
 902
 903         if (c->external_handler_uri != NULL)
 904             g_free(c->external_handler_uri);
 905         c->external_handler_uri = g_strdup(uri);
 906         action = gtk_action_new("external_handler", "Open with external handler",
 907                                 NULL, NULL);
 908         g_signal_connect(G_OBJECT(action), "activate",
 909                          G_CALLBACK(external_handler_run), data);
 910         mi = webkit_context_menu_item_new(action);
 911         webkit_context_menu_append(menu, mi);
 912     }
 913
 914     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
 915     return FALSE;
 916 }
 917
 918 gboolean
 919 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 920 {
 921     gchar *uri = NULL;
 922
 923     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 924     if (uri)
 925     {
 926         g_strstrip(uri);
 927         client_new(uri, TRUE);
 928         g_free(uri);
 929     }
 930     return TRUE;
 931 }
 932
 933 void
 934 search(gpointer data, gint direction)
 935 {
 936     struct Client *c = (struct Client *)data;
 937     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 938     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 939
 940     if (search_text == NULL)
 941         return;
 942
 943     switch (direction)
 944     {
 945         case 0:
 946             webkit_find_controller_search(fc, search_text,
 947                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 948                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 949                                           G_MAXUINT);
 950             break;
 951         case 1:
 952             webkit_find_controller_search_next(fc);
 953             break;
 954         case -1:
 955             webkit_find_controller_search_previous(fc);
 956             break;
 957     }
 958 }
 959
 960 void
 961 show_web_view(WebKitWebView *web_view, gpointer data)
 962 {
 963     struct Client *c = (struct Client *)data;
 964
 965     (void)web_view;
 966
 967     gtk_widget_grab_focus(c->web_view);
 968     gtk_widget_show_all(c->win);
 969 }
 970
 971 Window
 972 tabbed_launch(void)
 973 {
 974     gint tabbed_stdout;
 975     GIOChannel *tabbed_stdout_channel;
 976     GError *err = NULL;
 977     gchar *output = NULL;
 978     char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 979     Window plug_into;
 980
 981     if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 982                                   NULL, NULL, NULL, &tabbed_stdout, NULL,
 983                                   &err))
 984     {
 985         fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 986         g_error_free(err);
 987         return 0;
 988     }
 989
 990     tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 991     if (tabbed_stdout_channel == NULL)
 992     {
 993         fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 994         return 0;
 995     }
 996     g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 997     g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 998     if (output == NULL)
 999     {
1000         fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
1001         return 0;
1002     }
1003     g_strstrip(output);
1004     plug_into = strtol(output, NULL, 16);
1005     g_free(output);
1006     if (plug_into == 0)
1007         fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
1008     return plug_into;
1009 }
1010
1011 void
1012 trust_user_certs(WebKitWebContext *wc)
1013 {
1014     GTlsCertificate *cert;
1015     const gchar *basedir, *file, *absfile;
1016     GDir *dir;
1017
1018     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1019     dir = g_dir_open(basedir, 0, NULL);
1020     if (dir != NULL)
1021     {
1022         file = g_dir_read_name(dir);
1023         while (file != NULL)
1024         {
1025             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1026                                        file, NULL);
1027             cert = g_tls_certificate_new_from_file(absfile, NULL);
1028             if (cert == NULL)
1029                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1030             else
1031                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1032             file = g_dir_read_name(dir);
1033         }
1034         g_dir_close(dir);
1035     }
1036 }
1037
1038
1039 int
1040 main(int argc, char **argv)
1041 {
1042     gchar *c;
1043     int opt, i;
1044
1045     gtk_init(&argc, &argv);
1046
1047     grab_environment_configuration();
1048
1049     while ((opt = getopt(argc, argv, "e:CT")) != -1)
1050     {
1051         switch (opt)
1052         {
1053             case 'e':
1054                 embed = atol(optarg);
1055                 tabbed_automagic = FALSE;
1056                 break;
1057             case 'C':
1058                 cooperative_instances = FALSE;
1059                 break;
1060             case 'T':
1061                 tabbed_automagic = FALSE;
1062                 break;
1063             default:
1064                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1065                 exit(EXIT_FAILURE);
1066         }
1067     }
1068
1069     keywords_load();
1070     if (cooperative_instances)
1071         cooperation_setup();
1072     downloadmanager_setup();
1073
1074     if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
1075         embed = tabbed_launch();
1076
1077     if (!cooperative_instances || cooperative_alone)
1078     {
1079         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1080                              NULL);
1081         webkit_web_context_set_web_extensions_directory(
1082             webkit_web_context_get_default(), c
1083         );
1084     }
1085
1086     if (optind >= argc)
1087         client_new(home_uri, TRUE);
1088     else
1089     {
1090         for (i = optind; i < argc; i++)
1091             client_new(argv[i], TRUE);
1092     }
1093
1094     if (!cooperative_instances || cooperative_alone)
1095         gtk_main();
1096     exit(EXIT_SUCCESS);
1097 }