browser.c

   1 #include <limits.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <fcntl.h>
   7 #include <string.h>
   8
   9 #include <gtk/gtk.h>
  10 #include <gtk/gtkx.h>
  11 #include <gdk/gdkkeysyms.h>
  12 #include <gio/gio.h>
  13 #include <webkit2/webkit2.h>
  14
  15
  16 static void client_destroy(GtkWidget *, gpointer);
  17 static gboolean client_destroy_request(WebKitWebView *, gpointer);
  18 static WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean);
  19 static WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  20                                          gpointer);
  21 static void cooperation_setup(void);
  22 static void changed_download_progress(GObject *, GParamSpec *, gpointer);
  23 static void changed_load_progress(GObject *, GParamSpec *, gpointer);
  24 static void changed_title(GObject *, GParamSpec *, gpointer);
  25 static void changed_uri(GObject *, GParamSpec *, gpointer);
  26 static gboolean crashed_web_view(WebKitWebView *, gpointer);
  27 static gboolean crashed_web_view_reload(gpointer);
  28 static gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  29                               WebKitPolicyDecisionType, gpointer);
  30 static gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  31 static void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
  32 static void downloadmanager_cancel(GtkToolButton *, gpointer data);
  33 static void downloadmanager_setup(void);
  34 static gchar *ensure_uri_scheme(const gchar *);
  35 static void external_handler_run(GtkAction *, gpointer);
  36 static void grab_environment_configuration(void);
  37 static void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  38 static gboolean key_common(GtkWidget *, GdkEvent *, gpointer);
  39 static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  40 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  41 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  42 static void keywords_load(void);
  43 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  44 static gboolean menu_web_view(WebKitWebView *, WebKitContextMenu *, GdkEvent *,
  45                               WebKitHitTestResult *, gpointer);
  46 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  47 static void search(gpointer, gint);
  48 static void show_web_view(WebKitWebView *, gpointer);
  49 static Window tabbed_launch(void);
  50 static void trust_user_certs(WebKitWebContext *);
  51
  52
  53 struct Client
  54 {
  55     gchar *external_handler_uri;
  56     gchar *hover_uri;
  57     GtkWidget *location;
  58     GtkWidget *vbox;
  59     GtkWidget *web_view;
  60     GtkWidget *win;
  61 };
  62
  63 struct DownloadManager
  64 {
  65     GtkWidget *scroll;
  66     GtkWidget *toolbar;
  67     GtkWidget *win;
  68 } dm;
  69
  70
  71 static const gchar *accepted_language[2] = { NULL, NULL };
  72 static gint clients = 0;
  73 static gboolean cooperative_alone = TRUE;
  74 static gboolean cooperative_instances = TRUE;
  75 static int cooperative_pipe_fp = 0;
  76 static int crash_autoreload_delay = 2;
  77 static gchar *download_dir = "/var/tmp";
  78 static Window embed = 0;
  79 static gchar *fifo_suffix = "main";
  80 static gdouble global_zoom = 1.0;
  81 static gchar *history_file = NULL;
  82 static gchar *home_uri = "about:blank";
  83 static gboolean initial_wc_setup_done = FALSE;
  84 static GHashTable *keywords = NULL;
  85 static gchar *search_text = NULL;
  86 static gboolean tabbed_automagic = TRUE;
  87 static gchar *user_agent = NULL;
  88
  89
  90 void
  91 client_destroy(GtkWidget *obj, gpointer data)
  92 {
  93     struct Client *c = (struct Client *)data;
  94
  95     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
  96                                          changed_load_progress, c);
  97
  98     free(c);
  99     clients--;
 100
 101     if (clients == 0)
 102         gtk_main_quit();
 103 }
 104
 105 gboolean
 106 client_destroy_request(WebKitWebView *web_view, gpointer data)
 107 {
 108     struct Client *c = (struct Client *)data;
 109
 110     gtk_widget_destroy(c->win);
 111
 112     return TRUE;
 113 }
 114
 115 WebKitWebView *
 116 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show)
 117 {
 118     struct Client *c;
 119     WebKitWebContext *wc;
 120     gchar *f;
 121
 122     if (uri != NULL && cooperative_instances && !cooperative_alone)
 123     {
 124         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     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     gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 350
 351     if (t != NULL && history_file != NULL)
 352     {
 353         fp = fopen(history_file, "a");
 354         if (fp != NULL)
 355         {
 356             fprintf(fp, "%s\n", t);
 357             fclose(fp);
 358         }
 359         else
 360             perror(__NAME__": Error opening history file");
 361     }
 362 }
 363
 364 gboolean
 365 crashed_web_view(WebKitWebView *web_view, gpointer data)
 366 {
 367     fprintf(stderr, __NAME__": WebView crashed!\n");
 368     if (crash_autoreload_delay >= 1)
 369     {
 370         fprintf(stderr, __NAME__": Reloading WebView in %d seconds.\n",
 371                 crash_autoreload_delay);
 372         g_timeout_add_seconds(crash_autoreload_delay, crashed_web_view_reload,
 373                               web_view);
 374     }
 375
 376     return TRUE;
 377 }
 378
 379 gboolean
 380 crashed_web_view_reload(gpointer data)
 381 {
 382     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(data));
 383
 384     return G_SOURCE_REMOVE;
 385 }
 386
 387 gboolean
 388 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 389               WebKitPolicyDecisionType type, gpointer data)
 390 {
 391     WebKitResponsePolicyDecision *r;
 392
 393     switch (type)
 394     {
 395         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 396             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 397             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 398                 webkit_policy_decision_download(decision);
 399             else
 400                 webkit_policy_decision_use(decision);
 401             break;
 402         default:
 403             /* Use whatever default there is. */
 404             return FALSE;
 405     }
 406     return TRUE;
 407 }
 408
 409 void
 410 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 411                       gpointer data)
 412 {
 413     g_signal_connect(G_OBJECT(download), "decide-destination",
 414                      G_CALLBACK(download_handle), data);
 415 }
 416
 417 gboolean
 418 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 419 {
 420     gchar *sug_clean, *path, *path2 = NULL, *uri;
 421     GtkToolItem *tb;
 422     int suffix = 1;
 423     size_t i;
 424
 425     sug_clean = g_strdup(suggested_filename);
 426     for (i = 0; i < strlen(sug_clean); i++)
 427         if (sug_clean[i] == G_DIR_SEPARATOR)
 428             sug_clean[i] = '_';
 429
 430     path = g_build_filename(download_dir, sug_clean, NULL);
 431     path2 = g_strdup(path);
 432     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 433     {
 434         g_free(path2);
 435
 436         path2 = g_strdup_printf("%s.%d", path, suffix);
 437         suffix++;
 438     }
 439
 440     if (suffix == 1000)
 441     {
 442         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 443         webkit_download_cancel(download);
 444     }
 445     else
 446     {
 447         uri = g_filename_to_uri(path2, NULL, NULL);
 448         webkit_download_set_destination(download, uri);
 449         g_free(uri);
 450
 451         tb = gtk_tool_button_new(NULL, NULL);
 452         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 453         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 454         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 455         gtk_widget_show_all(dm.win);
 456
 457         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 458                          G_CALLBACK(changed_download_progress), tb);
 459
 460         g_object_ref(download);
 461         g_signal_connect(G_OBJECT(tb), "clicked",
 462                          G_CALLBACK(downloadmanager_cancel), download);
 463     }
 464
 465     g_free(sug_clean);
 466     g_free(path);
 467     g_free(path2);
 468
 469     /* Propagate -- to whom it may concern. */
 470     return FALSE;
 471 }
 472
 473 void
 474 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 475 {
 476     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 477
 478     webkit_download_cancel(download);
 479     g_object_unref(download);
 480
 481     gtk_widget_destroy(GTK_WIDGET(tb));
 482 }
 483
 484 void
 485 downloadmanager_setup(void)
 486 {
 487     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 488     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 489     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 490     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 491     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 492                      G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 493     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 494                      G_CALLBACK(key_downloadmanager), NULL);
 495
 496     dm.toolbar = gtk_toolbar_new();
 497     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 498                                    GTK_ORIENTATION_VERTICAL);
 499     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 500     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 501
 502     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 503     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 504                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 505     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 506
 507     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 508 }
 509
 510 gchar *
 511 ensure_uri_scheme(const gchar *t)
 512 {
 513     gchar *f, *fabs;
 514
 515     f = g_ascii_strdown(t, -1);
 516     if (!g_str_has_prefix(f, "http:") &&
 517         !g_str_has_prefix(f, "https:") &&
 518         !g_str_has_prefix(f, "file:") &&
 519         !g_str_has_prefix(f, "about:"))
 520     {
 521         g_free(f);
 522         fabs = realpath(t, NULL);
 523         if (fabs != NULL)
 524         {
 525             f = g_strdup_printf("file://%s", fabs);
 526             free(fabs);
 527         }
 528         else
 529             f = g_strdup_printf("http://%s", t);
 530         return f;
 531     }
 532     else
 533         return g_strdup(t);
 534 }
 535
 536 void
 537 external_handler_run(GtkAction *action, gpointer data)
 538 {
 539     struct Client *c = (struct Client *)data;
 540     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 541     GPid pid;
 542     GError *err = NULL;
 543
 544     (void)action;
 545
 546     argv[2] = c->external_handler_uri;
 547     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 548                        &pid, &err))
 549     {
 550         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 551                 err->message);
 552         g_error_free(err);
 553     }
 554     else
 555         g_spawn_close_pid(pid);
 556 }
 557
 558 void
 559 grab_environment_configuration(void)
 560 {
 561     const gchar *e;
 562
 563     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 564     if (e != NULL)
 565         accepted_language[0] = g_strdup(e);
 566
 567     e = g_getenv(__NAME_UPPERCASE__"_CRASH_AUTORELOAD_DELAY");
 568     if (e != NULL)
 569         crash_autoreload_delay = atoi(e);
 570
 571     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 572     if (e != NULL)
 573         download_dir = g_strdup(e);
 574
 575     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 576     if (e != NULL)
 577         fifo_suffix = g_strdup(e);
 578
 579     e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE");
 580     if (e != NULL)
 581         history_file = g_strdup(e);
 582
 583     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 584     if (e != NULL)
 585         home_uri = g_strdup(e);
 586
 587     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 588     if (e != NULL)
 589         user_agent = g_strdup(e);
 590
 591     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 592     if (e != NULL)
 593         global_zoom = atof(e);
 594 }
 595
 596 void
 597 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 598                gpointer data)
 599 {
 600     struct Client *c = (struct Client *)data;
 601
 602     if (!gtk_widget_is_focus(c->location))
 603     {
 604         if (webkit_hit_test_result_context_is_link(ht))
 605         {
 606             gtk_entry_set_text(GTK_ENTRY(c->location),
 607                                webkit_hit_test_result_get_link_uri(ht));
 608
 609             if (c->hover_uri != NULL)
 610                 g_free(c->hover_uri);
 611             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 612         }
 613         else
 614         {
 615             gtk_entry_set_text(GTK_ENTRY(c->location),
 616                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 617
 618             if (c->hover_uri != NULL)
 619                 g_free(c->hover_uri);
 620             c->hover_uri = NULL;
 621         }
 622     }
 623 }
 624
 625 gboolean
 626 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 627 {
 628     struct Client *c = (struct Client *)data;
 629     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 630     gchar *f;
 631
 632     if (event->type == GDK_KEY_PRESS)
 633     {
 634         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 635         {
 636             switch (((GdkEventKey *)event)->keyval)
 637             {
 638                 case GDK_KEY_q:  /* close window (left hand) */
 639                     gtk_widget_destroy(c->win);
 640                     return TRUE;
 641                 case GDK_KEY_w:  /* home (left hand) */
 642                     f = ensure_uri_scheme(home_uri);
 643                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 644                     g_free(f);
 645                     return TRUE;
 646                 case GDK_KEY_e:  /* new tab (left hand) */
 647                     f = ensure_uri_scheme(home_uri);
 648                     client_new(f, NULL, TRUE);
 649                     g_free(f);
 650                     return TRUE;
 651                 case GDK_KEY_r:  /* reload (left hand) */
 652                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 653                                                         c->web_view));
 654                     return TRUE;
 655                 case GDK_KEY_d:  /* download manager (left hand) */
 656                     gtk_widget_show_all(dm.win);
 657                     return TRUE;
 658                 case GDK_KEY_2:  /* search forward (left hand) */
 659                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 660                     search(c, 1);
 661                     return TRUE;
 662                 case GDK_KEY_3:  /* search backward (left hand) */
 663                     search(c, -1);
 664                     return TRUE;
 665                 case GDK_KEY_l:  /* location (BOTH hands) */
 666                     gtk_widget_grab_focus(c->location);
 667                     return TRUE;
 668                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 669                     gtk_widget_grab_focus(c->location);
 670                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 671                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 672                     return TRUE;
 673                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 674                     trust_user_certs(wc);
 675                     return TRUE;
 676                 case GDK_KEY_x:  /* launch external handler (left hand) */
 677                     if (c->external_handler_uri != NULL)
 678                         g_free(c->external_handler_uri);
 679                     c->external_handler_uri = g_strdup(
 680                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 681                     external_handler_run(NULL, c);
 682                     return TRUE;
 683             }
 684         }
 685         /* navigate backward (left hand) */
 686         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 687         {
 688             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 689             return TRUE;
 690         }
 691         /* navigate forward (left hand) */
 692         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 693         {
 694             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 695             return TRUE;
 696         }
 697     }
 698
 699     return FALSE;
 700 }
 701
 702 gboolean
 703 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 704 {
 705     if (event->type == GDK_KEY_PRESS)
 706     {
 707         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 708         {
 709             switch (((GdkEventKey *)event)->keyval)
 710             {
 711                 case GDK_KEY_d:  /* close window (left hand) */
 712                     gtk_widget_hide(dm.win);
 713                     return TRUE;
 714             }
 715         }
 716     }
 717
 718     return FALSE;
 719 }
 720
 721 gboolean
 722 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 723 {
 724     struct Client *c = (struct Client *)data;
 725     const gchar *t;
 726     gchar *f;
 727
 728     if (key_common(widget, event, data))
 729         return TRUE;
 730
 731     if (event->type == GDK_KEY_PRESS)
 732     {
 733         switch (((GdkEventKey *)event)->keyval)
 734         {
 735             case GDK_KEY_KP_Enter:
 736             case GDK_KEY_Return:
 737                 gtk_widget_grab_focus(c->web_view);
 738                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 739                 if (t != NULL && t[0] == ':' && t[1] == '/')
 740                 {
 741                     if (search_text != NULL)
 742                         g_free(search_text);
 743                     search_text = g_strdup(t + 2);  /* XXX whacky */
 744                     search(c, 0);
 745                 }
 746                 else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 747                 {
 748                     f = ensure_uri_scheme(t);
 749                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 750                     g_free(f);
 751                 }
 752                 return TRUE;
 753             case GDK_KEY_Escape:
 754                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 755                 gtk_entry_set_text(GTK_ENTRY(c->location),
 756                                    (t == NULL ? __NAME__ : t));
 757                 return TRUE;
 758         }
 759     }
 760
 761     return FALSE;
 762 }
 763
 764 gboolean
 765 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 766 {
 767     struct Client *c = (struct Client *)data;
 768     gdouble dx, dy;
 769     gfloat z;
 770
 771     if (key_common(widget, event, data))
 772         return TRUE;
 773
 774     if (event->type == GDK_KEY_PRESS)
 775     {
 776         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 777         {
 778             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 779             gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
 780         }
 781     }
 782     else if (event->type == GDK_BUTTON_PRESS)
 783     {
 784         switch (((GdkEventButton *)event)->button)
 785         {
 786             case 2:
 787                 if (c->hover_uri != NULL)
 788                 {
 789                     client_new(c->hover_uri, NULL, TRUE);
 790                     return TRUE;
 791                 }
 792                 break;
 793             case 8:
 794                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 795                 return TRUE;
 796             case 9:
 797                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 798                 return TRUE;
 799         }
 800     }
 801     else if (event->type == GDK_SCROLL)
 802     {
 803         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 804             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 805         {
 806             gdk_event_get_scroll_deltas(event, &dx, &dy);
 807             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 808             z += -dy * 0.1;
 809             z = dx != 0 ? global_zoom : z;
 810             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 811             return TRUE;
 812         }
 813     }
 814
 815     return FALSE;
 816 }
 817
 818 void
 819 keywords_load(void)
 820 {
 821     GError *err = NULL;
 822     GIOChannel *channel = NULL;
 823     gchar *path = NULL, *buf = NULL;
 824     gchar **tokens = NULL;
 825
 826     keywords = g_hash_table_new(g_str_hash, g_str_equal);
 827
 828     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 829                             NULL);
 830     channel = g_io_channel_new_file(path, "r", &err);
 831     if (channel != NULL)
 832     {
 833         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 834                == G_IO_STATUS_NORMAL)
 835         {
 836             g_strstrip(buf);
 837             if (buf[0] != '#')
 838             {
 839                 tokens = g_strsplit(buf, " ", 2);
 840                 if (tokens[0] != NULL && tokens[1] != NULL)
 841                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
 842                                         g_strdup(tokens[1]));
 843                 g_strfreev(tokens);
 844             }
 845             g_free(buf);
 846         }
 847         g_io_channel_shutdown(channel, FALSE, NULL);
 848     }
 849     g_free(path);
 850 }
 851
 852 gboolean
 853 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 854 {
 855     gboolean ret = FALSE;
 856     gchar **tokens = NULL;
 857     gchar *val = NULL, *uri = NULL;
 858
 859     tokens = g_strsplit(t, " ", 2);
 860     if (tokens[0] != NULL && tokens[1] != NULL)
 861     {
 862         val = g_hash_table_lookup(keywords, tokens[0]);
 863         if (val != NULL)
 864         {
 865             uri = g_strdup_printf((gchar *)val, tokens[1]);
 866             webkit_web_view_load_uri(web_view, uri);
 867             g_free(uri);
 868             ret = TRUE;
 869         }
 870     }
 871     g_strfreev(tokens);
 872
 873     return ret;
 874 }
 875
 876 gboolean
 877 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
 878               WebKitHitTestResult *ht, gpointer data)
 879 {
 880     struct Client *c = (struct Client *)data;
 881     GtkAction *action = NULL;
 882     WebKitContextMenuItem *mi = NULL;
 883     const gchar *uri = NULL;
 884
 885     (void)ev;
 886
 887     if (webkit_hit_test_result_context_is_link(ht))
 888         uri = webkit_hit_test_result_get_link_uri(ht);
 889     else if (webkit_hit_test_result_context_is_image(ht))
 890         uri = webkit_hit_test_result_get_image_uri(ht);
 891     else if (webkit_hit_test_result_context_is_media(ht))
 892         uri = webkit_hit_test_result_get_media_uri(ht);
 893
 894     if (uri != NULL)
 895     {
 896         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
 897
 898         if (c->external_handler_uri != NULL)
 899             g_free(c->external_handler_uri);
 900         c->external_handler_uri = g_strdup(uri);
 901         action = gtk_action_new("external_handler", "Open with external handler",
 902                                 NULL, NULL);
 903         g_signal_connect(G_OBJECT(action), "activate",
 904                          G_CALLBACK(external_handler_run), data);
 905         mi = webkit_context_menu_item_new(action);
 906         webkit_context_menu_append(menu, mi);
 907     }
 908
 909     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
 910     return FALSE;
 911 }
 912
 913 gboolean
 914 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 915 {
 916     gchar *uri = NULL;
 917
 918     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 919     if (uri)
 920     {
 921         g_strstrip(uri);
 922         client_new(uri, NULL, TRUE);
 923         g_free(uri);
 924     }
 925     return TRUE;
 926 }
 927
 928 void
 929 search(gpointer data, gint direction)
 930 {
 931     struct Client *c = (struct Client *)data;
 932     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 933     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 934
 935     if (search_text == NULL)
 936         return;
 937
 938     switch (direction)
 939     {
 940         case 0:
 941             webkit_find_controller_search(fc, search_text,
 942                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 943                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 944                                           G_MAXUINT);
 945             break;
 946         case 1:
 947             webkit_find_controller_search_next(fc);
 948             break;
 949         case -1:
 950             webkit_find_controller_search_previous(fc);
 951             break;
 952     }
 953 }
 954
 955 void
 956 show_web_view(WebKitWebView *web_view, gpointer data)
 957 {
 958     struct Client *c = (struct Client *)data;
 959
 960     (void)web_view;
 961
 962     gtk_widget_grab_focus(c->web_view);
 963     gtk_widget_show_all(c->win);
 964 }
 965
 966 Window
 967 tabbed_launch(void)
 968 {
 969     gint tabbed_stdout;
 970     GIOChannel *tabbed_stdout_channel;
 971     GError *err = NULL;
 972     gchar *output = NULL;
 973     char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 974     Window plug_into;
 975
 976     if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 977                                   NULL, NULL, NULL, &tabbed_stdout, NULL,
 978                                   &err))
 979     {
 980         fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 981         g_error_free(err);
 982         return 0;
 983     }
 984
 985     tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 986     if (tabbed_stdout_channel == NULL)
 987     {
 988         fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 989         return 0;
 990     }
 991     g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 992     g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 993     if (output == NULL)
 994     {
 995         fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 996         return 0;
 997     }
 998     g_strstrip(output);
 999     plug_into = strtol(output, NULL, 16);
1000     g_free(output);
1001     if (plug_into == 0)
1002         fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
1003     return plug_into;
1004 }
1005
1006 void
1007 trust_user_certs(WebKitWebContext *wc)
1008 {
1009     GTlsCertificate *cert;
1010     const gchar *basedir, *file, *absfile;
1011     GDir *dir;
1012
1013     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1014     dir = g_dir_open(basedir, 0, NULL);
1015     if (dir != NULL)
1016     {
1017         file = g_dir_read_name(dir);
1018         while (file != NULL)
1019         {
1020             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1021                                        file, NULL);
1022             cert = g_tls_certificate_new_from_file(absfile, NULL);
1023             if (cert == NULL)
1024                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1025             else
1026                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1027             file = g_dir_read_name(dir);
1028         }
1029         g_dir_close(dir);
1030     }
1031 }
1032
1033
1034 int
1035 main(int argc, char **argv)
1036 {
1037     gchar *c;
1038     int opt, i;
1039
1040     gtk_init(&argc, &argv);
1041     webkit_web_context_set_process_model(webkit_web_context_get_default(),
1042         WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1043
1044     grab_environment_configuration();
1045
1046     while ((opt = getopt(argc, argv, "e:CT")) != -1)
1047     {
1048         switch (opt)
1049         {
1050             case 'e':
1051                 embed = atol(optarg);
1052                 tabbed_automagic = FALSE;
1053                 break;
1054             case 'C':
1055                 cooperative_instances = FALSE;
1056                 break;
1057             case 'T':
1058                 tabbed_automagic = FALSE;
1059                 break;
1060             default:
1061                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1062                 exit(EXIT_FAILURE);
1063         }
1064     }
1065
1066     keywords_load();
1067     if (cooperative_instances)
1068         cooperation_setup();
1069     downloadmanager_setup();
1070
1071     if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
1072         embed = tabbed_launch();
1073
1074     if (!cooperative_instances || cooperative_alone)
1075     {
1076         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1077                              NULL);
1078         webkit_web_context_set_web_extensions_directory(
1079             webkit_web_context_get_default(), c
1080         );
1081     }
1082
1083     if (optind >= argc)
1084         client_new(home_uri, NULL, TRUE);
1085     else
1086     {
1087         for (i = optind; i < argc; i++)
1088             client_new(argv[i], NULL, TRUE);
1089     }
1090
1091     if (!cooperative_instances || cooperative_alone)
1092         gtk_main();
1093     exit(EXIT_SUCCESS);
1094 }