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_common(GtkWidget *, GdkEvent *, gpointer);
  39 static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  40 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  41 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  42 static void keywords_load(void);
  43 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  44 static gboolean menu_web_view(WebKitWebView *, WebKitContextMenu *, GdkEvent *,
  45                               WebKitHitTestResult *, gpointer);
  46 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  47 static void search(gpointer, gint);
  48 static void show_web_view(WebKitWebView *, gpointer);
  49 static Window tabbed_launch(void);
  50 static void trust_user_certs(WebKitWebContext *);
  51
  52
  53 struct Client
  54 {
  55     gchar *external_handler_uri;
  56     gchar *hover_uri;
  57     GtkWidget *location;
  58     GtkWidget *progress;
  59     GtkWidget *top_box;
  60     GtkWidget *vbox;
  61     GtkWidget *web_view;
  62     GtkWidget *win;
  63 };
  64
  65 struct DownloadManager
  66 {
  67     GtkWidget *scroll;
  68     GtkWidget *toolbar;
  69     GtkWidget *win;
  70 } dm;
  71
  72
  73 static const gchar *accepted_language[2] = { NULL, NULL };
  74 static gint clients = 0;
  75 static gboolean cooperative_alone = TRUE;
  76 static gboolean cooperative_instances = TRUE;
  77 static int cooperative_pipe_fp = 0;
  78 static int crash_autoreload_delay = 2;
  79 static gchar *download_dir = "/var/tmp";
  80 static Window embed = 0;
  81 static gchar *fifo_suffix = "main";
  82 static gdouble global_zoom = 1.0;
  83 static gchar *home_uri = "about:blank";
  84 static gboolean initial_wc_setup_done = FALSE;
  85 static GHashTable *keywords = NULL;
  86 static gchar *search_text = NULL;
  87 static gboolean tabbed_automagic = TRUE;
  88 static gchar *user_agent = NULL;
  89
  90
  91 void
  92 client_destroy(GtkWidget *obj, gpointer data)
  93 {
  94     struct Client *c = (struct Client *)data;
  95
  96     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
  97                                          changed_load_progress, c);
  98
  99     free(c);
 100     clients--;
 101
 102     if (clients == 0)
 103         gtk_main_quit();
 104 }
 105
 106 gboolean
 107 client_destroy_request(WebKitWebView *web_view, gpointer data)
 108 {
 109     struct Client *c = (struct Client *)data;
 110
 111     gtk_widget_destroy(c->win);
 112
 113     return TRUE;
 114 }
 115
 116 WebKitWebView *
 117 client_new(const gchar *uri, gboolean show)
 118 {
 119     struct Client *c;
 120     WebKitWebContext *wc;
 121     gchar *f;
 122
 123     if (uri != NULL && cooperative_instances && !cooperative_alone)
 124     {
 125         write(cooperative_pipe_fp, uri, strlen(uri));
 126         write(cooperative_pipe_fp, "\n", 1);
 127         return NULL;
 128     }
 129
 130     c = calloc(1, sizeof(struct Client));
 131     if (!c)
 132     {
 133         fprintf(stderr, __NAME__": fatal: calloc failed\n");
 134         exit(EXIT_FAILURE);
 135     }
 136
 137     if (embed != 0)
 138     {
 139         c->win = gtk_plug_new(embed);
 140         if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 141         {
 142             fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 143             gtk_widget_destroy(c->win);
 144             c->win = NULL;
 145             embed = 0;
 146         }
 147     }
 148
 149     if (c->win == NULL)
 150         c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 151
 152     gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 153
 154     g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 155     gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 156
 157     c->web_view = webkit_web_view_new();
 158     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 159
 160     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 161     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 162                      G_CALLBACK(changed_title), c);
 163     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 164                      G_CALLBACK(changed_uri), c);
 165     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 166                      G_CALLBACK(changed_load_progress), c);
 167     g_signal_connect(G_OBJECT(c->web_view), "create",
 168                      G_CALLBACK(client_new_request), NULL);
 169     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 170                      G_CALLBACK(menu_web_view), c);
 171     g_signal_connect(G_OBJECT(c->web_view), "close",
 172                      G_CALLBACK(client_destroy_request), c);
 173     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 174                      G_CALLBACK(decide_policy), NULL);
 175     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 176                      G_CALLBACK(key_web_view), c);
 177     g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 178                      G_CALLBACK(key_web_view), c);
 179     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 180                      G_CALLBACK(key_web_view), c);
 181     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 182                      G_CALLBACK(hover_web_view), c);
 183     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 184                      G_CALLBACK(crashed_web_view), c);
 185
 186     if (!initial_wc_setup_done)
 187     {
 188         if (accepted_language[0] != NULL)
 189             webkit_web_context_set_preferred_languages(wc, accepted_language);
 190
 191         g_signal_connect(G_OBJECT(wc), "download-started",
 192                          G_CALLBACK(download_handle_start), NULL);
 193
 194         trust_user_certs(wc);
 195
 196         initial_wc_setup_done = TRUE;
 197     }
 198
 199     if (user_agent != NULL)
 200         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 201                      "user-agent", user_agent, NULL);
 202
 203     c->location = gtk_entry_new();
 204     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 205                      G_CALLBACK(key_location), c);
 206
 207     /* XXX Progress bars don't work/look as intended anymore. Level bars
 208      * are a dirty workaround (kind of). */
 209     c->progress = gtk_level_bar_new();
 210     gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 1);
 211
 212     c->top_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 213     gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 214     gtk_box_pack_start(GTK_BOX(c->top_box), c->progress, FALSE, FALSE, 0);
 215
 216     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 217     gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 0);
 218     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 219
 220     gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 221
 222     if (show)
 223         show_web_view(NULL, c);
 224     else
 225         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 226                          G_CALLBACK(show_web_view), c);
 227
 228     if (uri != NULL)
 229     {
 230         f = ensure_uri_scheme(uri);
 231         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 232         g_free(f);
 233     }
 234
 235     clients++;
 236
 237     return WEBKIT_WEB_VIEW(c->web_view);
 238 }
 239
 240 WebKitWebView *
 241 client_new_request(WebKitWebView *web_view,
 242                    WebKitNavigationAction *navigation_action, gpointer data)
 243 {
 244     return client_new(NULL, FALSE);
 245 }
 246
 247 void
 248 cooperation_setup(void)
 249 {
 250     GIOChannel *towatch;
 251     gchar *fifofilename, *fifopath;
 252
 253     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 254     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 255     g_free(fifofilename);
 256
 257     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 258         mkfifo(fifopath, 0600);
 259
 260     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 261     if (!cooperative_pipe_fp)
 262     {
 263         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 264     }
 265     else
 266     {
 267         if (write(cooperative_pipe_fp, "", 0) == -1)
 268         {
 269             /* Could not do an empty write to the FIFO which means there's
 270              * no one listening. */
 271             close(cooperative_pipe_fp);
 272             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 273             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 274         }
 275         else
 276             cooperative_alone = FALSE;
 277     }
 278
 279     g_free(fifopath);
 280 }
 281
 282 void
 283 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 284 {
 285     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 286     WebKitURIResponse *resp;
 287     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 288     gdouble p, size_mb;
 289     const gchar *uri;
 290     gchar *t, *filename, *base;
 291
 292     p = webkit_download_get_estimated_progress(download);
 293     p = p > 1 ? 1 : p;
 294     p = p < 0 ? 0 : p;
 295     p *= 100;
 296     resp = webkit_download_get_response(download);
 297     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 298
 299     uri = webkit_download_get_destination(download);
 300     filename = g_filename_from_uri(uri, NULL, NULL);
 301     if (filename == NULL)
 302     {
 303         /* This really should not happen because WebKit uses that URI to
 304          * write to a file... */
 305         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 306         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 307                             webkit_uri_response_get_uri(resp), p, size_mb);
 308     }
 309     else
 310     {
 311         base = g_path_get_basename(filename);
 312         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 313         g_free(filename);
 314         g_free(base);
 315     }
 316     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 317     g_free(t);
 318 }
 319
 320 void
 321 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 322 {
 323     struct Client *c = (struct Client *)data;
 324     gdouble p;
 325
 326     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 327     gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), p);
 328 }
 329
 330 void
 331 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 332 {
 333     const gchar *t, *u;
 334     struct Client *c = (struct Client *)data;
 335
 336     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 337     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 338
 339     u = u == NULL ? __NAME__ : u;
 340     u = u[0] == 0 ? __NAME__ : u;
 341
 342     t = t == NULL ? u : t;
 343     t = t[0] == 0 ? u : t;
 344
 345     gtk_window_set_title(GTK_WINDOW(c->win), t);
 346 }
 347
 348 void
 349 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 350 {
 351     const gchar *t;
 352     struct Client *c = (struct Client *)data;
 353
 354     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 355     gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 356 }
 357
 358 gboolean
 359 crashed_web_view(WebKitWebView *web_view, gpointer data)
 360 {
 361     fprintf(stderr, __NAME__": WebView crashed!\n");
 362     if (crash_autoreload_delay >= 1)
 363     {
 364         fprintf(stderr, __NAME__": Reloading WebView in %d seconds.\n",
 365                 crash_autoreload_delay);
 366         g_timeout_add_seconds(crash_autoreload_delay, crashed_web_view_reload,
 367                               web_view);
 368     }
 369
 370     return TRUE;
 371 }
 372
 373 gboolean
 374 crashed_web_view_reload(gpointer data)
 375 {
 376     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(data));
 377
 378     return G_SOURCE_REMOVE;
 379 }
 380
 381 gboolean
 382 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 383               WebKitPolicyDecisionType type, gpointer data)
 384 {
 385     WebKitResponsePolicyDecision *r;
 386
 387     switch (type)
 388     {
 389         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 390             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 391             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 392                 webkit_policy_decision_download(decision);
 393             else
 394                 webkit_policy_decision_use(decision);
 395             break;
 396         default:
 397             /* Use whatever default there is. */
 398             return FALSE;
 399     }
 400     return TRUE;
 401 }
 402
 403 void
 404 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 405                       gpointer data)
 406 {
 407     g_signal_connect(G_OBJECT(download), "decide-destination",
 408                      G_CALLBACK(download_handle), data);
 409 }
 410
 411 gboolean
 412 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 413 {
 414     gchar *sug_clean, *path, *path2 = NULL, *uri;
 415     GtkToolItem *tb;
 416     int suffix = 1;
 417     size_t i;
 418
 419     sug_clean = g_strdup(suggested_filename);
 420     for (i = 0; i < strlen(sug_clean); i++)
 421         if (sug_clean[i] == G_DIR_SEPARATOR)
 422             sug_clean[i] = '_';
 423
 424     path = g_build_filename(download_dir, sug_clean, NULL);
 425     path2 = g_strdup(path);
 426     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 427     {
 428         g_free(path2);
 429
 430         path2 = g_strdup_printf("%s.%d", path, suffix);
 431         suffix++;
 432     }
 433
 434     if (suffix == 1000)
 435     {
 436         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 437         webkit_download_cancel(download);
 438     }
 439     else
 440     {
 441         uri = g_filename_to_uri(path2, NULL, NULL);
 442         webkit_download_set_destination(download, uri);
 443         g_free(uri);
 444
 445         tb = gtk_tool_button_new(NULL, NULL);
 446         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 447         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 448         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 449         gtk_widget_show_all(dm.win);
 450
 451         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 452                          G_CALLBACK(changed_download_progress), tb);
 453
 454         g_object_ref(download);
 455         g_signal_connect(G_OBJECT(tb), "clicked",
 456                          G_CALLBACK(downloadmanager_cancel), download);
 457     }
 458
 459     g_free(sug_clean);
 460     g_free(path);
 461     g_free(path2);
 462
 463     /* Propagate -- to whom it may concern. */
 464     return FALSE;
 465 }
 466
 467 void
 468 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 469 {
 470     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 471
 472     webkit_download_cancel(download);
 473     g_object_unref(download);
 474
 475     gtk_widget_destroy(GTK_WIDGET(tb));
 476 }
 477
 478 void
 479 downloadmanager_setup(void)
 480 {
 481     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 482     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 483     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 484     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 485     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 486                      G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 487     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 488                      G_CALLBACK(key_downloadmanager), NULL);
 489
 490     dm.toolbar = gtk_toolbar_new();
 491     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 492                                    GTK_ORIENTATION_VERTICAL);
 493     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 494     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 495
 496     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 497     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 498                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 499     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 500
 501     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 502 }
 503
 504 gchar *
 505 ensure_uri_scheme(const gchar *t)
 506 {
 507     gchar *f, *fabs;
 508
 509     f = g_ascii_strdown(t, -1);
 510     if (!g_str_has_prefix(f, "http:") &&
 511         !g_str_has_prefix(f, "https:") &&
 512         !g_str_has_prefix(f, "file:") &&
 513         !g_str_has_prefix(f, "about:"))
 514     {
 515         g_free(f);
 516         fabs = realpath(t, NULL);
 517         if (fabs != NULL)
 518         {
 519             f = g_strdup_printf("file://%s", fabs);
 520             free(fabs);
 521         }
 522         else
 523             f = g_strdup_printf("http://%s", t);
 524         return f;
 525     }
 526     else
 527         return g_strdup(t);
 528 }
 529
 530 void
 531 external_handler_run(GtkAction *action, gpointer data)
 532 {
 533     struct Client *c = (struct Client *)data;
 534     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 535     GPid pid;
 536     GError *err = NULL;
 537
 538     (void)action;
 539
 540     argv[2] = c->external_handler_uri;
 541     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 542                        &pid, &err))
 543     {
 544         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 545                 err->message);
 546         g_error_free(err);
 547     }
 548     else
 549         g_spawn_close_pid(pid);
 550 }
 551
 552 void
 553 grab_environment_configuration(void)
 554 {
 555     const gchar *e;
 556
 557     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 558     if (e != NULL)
 559         accepted_language[0] = g_strdup(e);
 560
 561     e = g_getenv(__NAME_UPPERCASE__"_CRASH_AUTORELOAD_DELAY");
 562     if (e != NULL)
 563         crash_autoreload_delay = atoi(e);
 564
 565     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 566     if (e != NULL)
 567         download_dir = g_strdup(e);
 568
 569     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 570     if (e != NULL)
 571         fifo_suffix = g_strdup(e);
 572
 573     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 574     if (e != NULL)
 575         home_uri = g_strdup(e);
 576
 577     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 578     if (e != NULL)
 579         user_agent = g_strdup(e);
 580
 581     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 582     if (e != NULL)
 583         global_zoom = atof(e);
 584 }
 585
 586 void
 587 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 588                gpointer data)
 589 {
 590     struct Client *c = (struct Client *)data;
 591
 592     if (!gtk_widget_is_focus(c->location))
 593     {
 594         if (webkit_hit_test_result_context_is_link(ht))
 595         {
 596             gtk_entry_set_text(GTK_ENTRY(c->location),
 597                                webkit_hit_test_result_get_link_uri(ht));
 598
 599             if (c->hover_uri != NULL)
 600                 g_free(c->hover_uri);
 601             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 602         }
 603         else
 604         {
 605             gtk_entry_set_text(GTK_ENTRY(c->location),
 606                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 607
 608             if (c->hover_uri != NULL)
 609                 g_free(c->hover_uri);
 610             c->hover_uri = NULL;
 611         }
 612     }
 613 }
 614
 615 gboolean
 616 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 617 {
 618     struct Client *c = (struct Client *)data;
 619     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 620     gchar *f;
 621
 622     if (event->type == GDK_KEY_PRESS)
 623     {
 624         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 625         {
 626             switch (((GdkEventKey *)event)->keyval)
 627             {
 628                 case GDK_KEY_q:  /* close window (left hand) */
 629                     gtk_widget_destroy(c->win);
 630                     return TRUE;
 631                 case GDK_KEY_w:  /* home (left hand) */
 632                     f = ensure_uri_scheme(home_uri);
 633                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 634                     g_free(f);
 635                     return TRUE;
 636                 case GDK_KEY_e:  /* new tab (left hand) */
 637                     f = ensure_uri_scheme(home_uri);
 638                     client_new(f, TRUE);
 639                     g_free(f);
 640                     return TRUE;
 641                 case GDK_KEY_r:  /* reload (left hand) */
 642                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 643                                                         c->web_view));
 644                     return TRUE;
 645                 case GDK_KEY_d:  /* download manager (left hand) */
 646                     gtk_widget_show_all(dm.win);
 647                     return TRUE;
 648                 case GDK_KEY_2:  /* search forward (left hand) */
 649                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 650                     search(c, 1);
 651                     return TRUE;
 652                 case GDK_KEY_3:  /* search backward (left hand) */
 653                     search(c, -1);
 654                     return TRUE;
 655                 case GDK_KEY_l:  /* location (BOTH hands) */
 656                     gtk_widget_grab_focus(c->location);
 657                     return TRUE;
 658                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 659                     gtk_widget_grab_focus(c->location);
 660                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 661                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 662                     return TRUE;
 663                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 664                     trust_user_certs(wc);
 665                     return TRUE;
 666                 case GDK_KEY_x:  /* launch external handler (left hand) */
 667                     if (c->external_handler_uri != NULL)
 668                         g_free(c->external_handler_uri);
 669                     c->external_handler_uri = g_strdup(
 670                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 671                     external_handler_run(NULL, c);
 672                     return TRUE;
 673             }
 674         }
 675         /* navigate backward (left hand) */
 676         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 677         {
 678             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 679             return TRUE;
 680         }
 681         /* navigate forward (left hand) */
 682         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 683         {
 684             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 685             return TRUE;
 686         }
 687     }
 688
 689     return FALSE;
 690 }
 691
 692 gboolean
 693 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 694 {
 695     if (event->type == GDK_KEY_PRESS)
 696     {
 697         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 698         {
 699             switch (((GdkEventKey *)event)->keyval)
 700             {
 701                 case GDK_KEY_d:  /* close window (left hand) */
 702                     gtk_widget_hide(dm.win);
 703                     return TRUE;
 704             }
 705         }
 706     }
 707
 708     return FALSE;
 709 }
 710
 711 gboolean
 712 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 713 {
 714     struct Client *c = (struct Client *)data;
 715     const gchar *t;
 716     gchar *f;
 717
 718     if (key_common(widget, event, data))
 719         return TRUE;
 720
 721     if (event->type == GDK_KEY_PRESS)
 722     {
 723         switch (((GdkEventKey *)event)->keyval)
 724         {
 725             case GDK_KEY_KP_Enter:
 726             case GDK_KEY_Return:
 727                 gtk_widget_grab_focus(c->web_view);
 728                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 729                 if (t != NULL && t[0] == ':' && t[1] == '/')
 730                 {
 731                     if (search_text != NULL)
 732                         g_free(search_text);
 733                     search_text = g_strdup(t + 2);  /* XXX whacky */
 734                     search(c, 0);
 735                 }
 736                 else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 737                 {
 738                     f = ensure_uri_scheme(t);
 739                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 740                     g_free(f);
 741                 }
 742                 return TRUE;
 743             case GDK_KEY_Escape:
 744                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 745                 gtk_entry_set_text(GTK_ENTRY(c->location),
 746                                    (t == NULL ? __NAME__ : t));
 747                 return TRUE;
 748         }
 749     }
 750
 751     return FALSE;
 752 }
 753
 754 gboolean
 755 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 756 {
 757     struct Client *c = (struct Client *)data;
 758     gdouble dx, dy;
 759     gfloat z;
 760
 761     if (key_common(widget, event, data))
 762         return TRUE;
 763
 764     if (event->type == GDK_KEY_PRESS)
 765     {
 766         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 767         {
 768             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 769             gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 770         }
 771     }
 772     else if (event->type == GDK_BUTTON_PRESS)
 773     {
 774         switch (((GdkEventButton *)event)->button)
 775         {
 776             case 2:
 777                 if (c->hover_uri != NULL)
 778                 {
 779                     client_new(c->hover_uri, TRUE);
 780                     return TRUE;
 781                 }
 782                 break;
 783             case 8:
 784                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 785                 return TRUE;
 786             case 9:
 787                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 788                 return TRUE;
 789         }
 790     }
 791     else if (event->type == GDK_SCROLL)
 792     {
 793         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 794             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 795         {
 796             gdk_event_get_scroll_deltas(event, &dx, &dy);
 797             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 798             z += -dy * 0.1;
 799             z = dx != 0 ? global_zoom : z;
 800             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 801             return TRUE;
 802         }
 803     }
 804
 805     return FALSE;
 806 }
 807
 808 void
 809 keywords_load(void)
 810 {
 811     GError *err = NULL;
 812     GIOChannel *channel = NULL;
 813     gchar *path = NULL, *buf = NULL;
 814     gchar **tokens = NULL;
 815
 816     keywords = g_hash_table_new(g_str_hash, g_str_equal);
 817
 818     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 819                             NULL);
 820     channel = g_io_channel_new_file(path, "r", &err);
 821     if (channel != NULL)
 822     {
 823         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 824                == G_IO_STATUS_NORMAL)
 825         {
 826             g_strstrip(buf);
 827             if (buf[0] != '#')
 828             {
 829                 tokens = g_strsplit(buf, " ", 2);
 830                 if (tokens[0] != NULL && tokens[1] != NULL)
 831                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
 832                                         g_strdup(tokens[1]));
 833                 g_strfreev(tokens);
 834             }
 835             g_free(buf);
 836         }
 837         g_io_channel_shutdown(channel, FALSE, NULL);
 838     }
 839     g_free(path);
 840 }
 841
 842 gboolean
 843 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 844 {
 845     gboolean ret = FALSE;
 846     gchar **tokens = NULL;
 847     gchar *val = NULL, *uri = NULL;
 848
 849     tokens = g_strsplit(t, " ", 2);
 850     if (tokens[0] != NULL && tokens[1] != NULL)
 851     {
 852         val = g_hash_table_lookup(keywords, tokens[0]);
 853         if (val != NULL)
 854         {
 855             uri = g_strdup_printf((gchar *)val, tokens[1]);
 856             webkit_web_view_load_uri(web_view, uri);
 857             g_free(uri);
 858             ret = TRUE;
 859         }
 860     }
 861     g_strfreev(tokens);
 862
 863     return ret;
 864 }
 865
 866 gboolean
 867 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
 868               WebKitHitTestResult *ht, gpointer data)
 869 {
 870     struct Client *c = (struct Client *)data;
 871     GtkAction *action = NULL;
 872     WebKitContextMenuItem *mi = NULL;
 873     const gchar *uri = NULL;
 874
 875     (void)ev;
 876
 877     if (webkit_hit_test_result_context_is_link(ht))
 878         uri = webkit_hit_test_result_get_link_uri(ht);
 879     else if (webkit_hit_test_result_context_is_image(ht))
 880         uri = webkit_hit_test_result_get_image_uri(ht);
 881     else if (webkit_hit_test_result_context_is_media(ht))
 882         uri = webkit_hit_test_result_get_media_uri(ht);
 883
 884     if (uri != NULL)
 885     {
 886         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
 887
 888         if (c->external_handler_uri != NULL)
 889             g_free(c->external_handler_uri);
 890         c->external_handler_uri = g_strdup(uri);
 891         action = gtk_action_new("external_handler", "Open with external handler",
 892                                 NULL, NULL);
 893         g_signal_connect(G_OBJECT(action), "activate",
 894                          G_CALLBACK(external_handler_run), data);
 895         mi = webkit_context_menu_item_new(action);
 896         webkit_context_menu_append(menu, mi);
 897     }
 898
 899     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
 900     return FALSE;
 901 }
 902
 903 gboolean
 904 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 905 {
 906     gchar *uri = NULL;
 907
 908     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 909     if (uri)
 910     {
 911         g_strstrip(uri);
 912         client_new(uri, TRUE);
 913         g_free(uri);
 914     }
 915     return TRUE;
 916 }
 917
 918 void
 919 search(gpointer data, gint direction)
 920 {
 921     struct Client *c = (struct Client *)data;
 922     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 923     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 924
 925     if (search_text == NULL)
 926         return;
 927
 928     switch (direction)
 929     {
 930         case 0:
 931             webkit_find_controller_search(fc, search_text,
 932                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 933                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 934                                           G_MAXUINT);
 935             break;
 936         case 1:
 937             webkit_find_controller_search_next(fc);
 938             break;
 939         case -1:
 940             webkit_find_controller_search_previous(fc);
 941             break;
 942     }
 943 }
 944
 945 void
 946 show_web_view(WebKitWebView *web_view, gpointer data)
 947 {
 948     struct Client *c = (struct Client *)data;
 949
 950     (void)web_view;
 951
 952     gtk_widget_grab_focus(c->web_view);
 953     gtk_widget_show_all(c->win);
 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, TRUE);
1073     else
1074     {
1075         for (i = optind; i < argc; i++)
1076             client_new(argv[i], TRUE);
1077     }
1078
1079     if (!cooperative_instances || cooperative_alone)
1080         gtk_main();
1081     exit(EXIT_SUCCESS);
1082 }