browser.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <sys/types.h>
   4 #include <sys/stat.h>
   5 #include <fcntl.h>
   6 #include <string.h>
   7
   8 #include <gtk/gtk.h>
   9 #include <gtk/gtkx.h>
  10 #include <gdk/gdkkeysyms.h>
  11 #include <gio/gio.h>
  12 #include <webkit2/webkit2.h>
  13
  14
  15 static void client_destroy(GtkWidget *, gpointer);
  16 static gboolean client_destroy_request(WebKitWebView *, gpointer);
  17 static WebKitWebView *client_new(const gchar *);
  18 static WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  19                                          gpointer);
  20 static void cooperation_setup(void);
  21 static void changed_download_progress(GObject *, GParamSpec *, gpointer);
  22 static void changed_load_progress(GObject *, GParamSpec *, gpointer);
  23 static void changed_title(GObject *, GParamSpec *, gpointer);
  24 static void changed_uri(GObject *, GParamSpec *, gpointer);
  25 static gboolean crashed_web_view(WebKitWebView *, gpointer);
  26 static gboolean crashed_web_view_reload(gpointer);
  27 static gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  28                               WebKitPolicyDecisionType, gpointer);
  29 static gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  30 static void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
  31 static void downloadmanager_cancel(GtkToolButton *, gpointer data);
  32 static void downloadmanager_setup(void);
  33 static gchar *ensure_uri_scheme(const gchar *);
  34 static void grab_environment_configuration(void);
  35 static void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  36 static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  37 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  38 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  39 static void keywords_load(void);
  40 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  41 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  42 static void search(gpointer, gint);
  43 static Window tabbed_launch(void);
  44 static void trust_user_certs(WebKitWebContext *);
  45
  46
  47 struct Client
  48 {
  49         gchar *hover_uri;
  50         GtkWidget *location;
  51         GtkWidget *progress;
  52         GtkWidget *scroll;
  53         GtkWidget *top_box;
  54         GtkWidget *vbox;
  55         GtkWidget *web_view;
  56         GtkWidget *win;
  57 };
  58
  59 struct DownloadManager
  60 {
  61         GtkWidget *scroll;
  62         GtkWidget *toolbar;
  63         GtkWidget *win;
  64 } dm;
  65
  66
  67 static const gchar *accepted_language[2] = { NULL, NULL };
  68 static gint clients = 0;
  69 static gboolean cooperative_alone = TRUE;
  70 static gboolean cooperative_instances = TRUE;
  71 static int cooperative_pipe_fp = 0;
  72 static int crash_autoreload_delay = 2;
  73 static gchar *download_dir = "/tmp";
  74 static Window embed = 0;
  75 static gchar *fifo_suffix = "main";
  76 static gdouble global_zoom = 1.0;
  77 static gchar *home_uri = "about:blank";
  78 static gboolean initial_wc_setup_done = FALSE;
  79 static GHashTable *keywords = NULL;
  80 static gchar *search_text = NULL;
  81 static gboolean tabbed_automagic = TRUE;
  82 static gchar *user_agent = NULL;
  83 static gchar *web_extensions_dir = NULL;
  84
  85
  86 void
  87 client_destroy(GtkWidget *obj, gpointer data)
  88 {
  89         struct Client *c = (struct Client *)data;
  90
  91         g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
  92                                              changed_load_progress, c);
  93
  94         free(c);
  95         clients--;
  96
  97         if (clients == 0)
  98                 gtk_main_quit();
  99 }
 100
 101 gboolean
 102 client_destroy_request(WebKitWebView *web_view, gpointer data)
 103 {
 104         struct Client *c = (struct Client *)data;
 105
 106         gtk_widget_destroy(c->win);
 107
 108         return TRUE;
 109 }
 110
 111 WebKitWebView *
 112 client_new(const gchar *uri)
 113 {
 114         struct Client *c;
 115         WebKitWebContext *wc;
 116         gchar *f;
 117
 118         if (uri != NULL && cooperative_instances && !cooperative_alone)
 119         {
 120                 write(cooperative_pipe_fp, uri, strlen(uri));
 121                 write(cooperative_pipe_fp, "\n", 1);
 122                 return NULL;
 123         }
 124
 125         c = malloc(sizeof(struct Client));
 126         if (!c)
 127         {
 128                 fprintf(stderr, __NAME__": fatal: malloc failed\n");
 129                 exit(EXIT_FAILURE);
 130         }
 131
 132         c->hover_uri = NULL;
 133         c->win = NULL;
 134         if (embed != 0)
 135         {
 136                 c->win = gtk_plug_new(embed);
 137                 if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 138                 {
 139                         fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 140                         gtk_widget_destroy(c->win);
 141                         c->win = NULL;
 142                         embed = 0;
 143                 }
 144         }
 145
 146         if (c->win == NULL)
 147         {
 148                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 149                 gtk_window_set_wmclass(GTK_WINDOW(c->win), __NAME__, __NAME_CAPITALIZED__);
 150         }
 151
 152         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 153         gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 154
 155         c->web_view = webkit_web_view_new();
 156         wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 157
 158         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 159         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 160                          G_CALLBACK(changed_title), c);
 161         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 162                          G_CALLBACK(changed_uri), c);
 163         g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 164                          G_CALLBACK(changed_load_progress), c);
 165         g_signal_connect(G_OBJECT(c->web_view), "create",
 166                          G_CALLBACK(client_new_request), NULL);
 167         g_signal_connect(G_OBJECT(c->web_view), "close",
 168                          G_CALLBACK(client_destroy_request), c);
 169         g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 170                          G_CALLBACK(decide_policy), NULL);
 171         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 172                          G_CALLBACK(key_web_view), c);
 173         g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 174                          G_CALLBACK(key_web_view), c);
 175         g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 176                          G_CALLBACK(key_web_view), c);
 177         g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 178                          G_CALLBACK(hover_web_view), c);
 179         g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 180                          G_CALLBACK(crashed_web_view), c);
 181
 182         if (!initial_wc_setup_done)
 183         {
 184                 if (accepted_language[0] != NULL)
 185                         webkit_web_context_set_preferred_languages(wc, accepted_language);
 186
 187                 g_signal_connect(G_OBJECT(wc), "download-started",
 188                                  G_CALLBACK(download_handle_start), NULL);
 189
 190                 trust_user_certs(wc);
 191
 192                 initial_wc_setup_done = TRUE;
 193         }
 194
 195         if (user_agent != NULL)
 196                 g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 197                              "user-agent", user_agent, NULL);
 198
 199         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 200
 201         gtk_container_add(GTK_CONTAINER(c->scroll), c->web_view);
 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), 0);
 211         gtk_widget_set_size_request(c->progress, 100, -1);
 212
 213         c->top_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 214         gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 2);
 215         gtk_box_pack_start(GTK_BOX(c->top_box), c->progress, FALSE, FALSE, 2);
 216
 217         c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 218         gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 2);
 219         gtk_box_pack_start(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 2);
 220
 221         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 222
 223         gtk_widget_grab_focus(c->web_view);
 224         gtk_widget_show_all(c->win);
 225
 226         if (uri != NULL)
 227         {
 228                 f = ensure_uri_scheme(uri);
 229                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 230                 g_free(f);
 231         }
 232
 233         clients++;
 234
 235         return WEBKIT_WEB_VIEW(c->web_view);
 236 }
 237
 238 WebKitWebView *
 239 client_new_request(WebKitWebView *web_view,
 240                    WebKitNavigationAction *navigation_action, gpointer data)
 241 {
 242         return client_new(NULL);
 243 }
 244
 245 void
 246 cooperation_setup(void)
 247 {
 248         GIOChannel *towatch;
 249         gchar *fifofilename, *fifopath;
 250
 251         fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 252         fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 253         g_free(fifofilename);
 254
 255         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 256                 mkfifo(fifopath, 0600);
 257
 258         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 259         if (!cooperative_pipe_fp)
 260         {
 261                 fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 262         }
 263         else
 264         {
 265                 if (write(cooperative_pipe_fp, "", 0) == -1)
 266                 {
 267                         /* Could not do an empty write to the FIFO which means there's
 268                          * no one listening. */
 269                         close(cooperative_pipe_fp);
 270                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 271                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 272                 }
 273                 else
 274                         cooperative_alone = FALSE;
 275         }
 276
 277         g_free(fifopath);
 278 }
 279
 280 void
 281 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 282 {
 283         WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 284         WebKitURIResponse *resp;
 285         GtkToolItem *tb = GTK_TOOL_ITEM(data);
 286         gdouble p, size_mb;
 287         const gchar *uri;
 288         gchar *t, *filename, *base;
 289
 290         p = webkit_download_get_estimated_progress(download) * 100;
 291         resp = webkit_download_get_response(download);
 292         size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 293
 294         uri = webkit_download_get_destination(download);
 295         filename = g_filename_from_uri(uri, NULL, NULL);
 296         if (filename == NULL)
 297         {
 298                 /* This really should not happen because WebKit uses that URI to
 299                  * write to a file... */
 300                 fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 301                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 302                                     webkit_uri_response_get_uri(resp), p, size_mb);
 303         }
 304         else
 305         {
 306                 base = g_path_get_basename(filename);
 307                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 308                 g_free(filename);
 309                 g_free(base);
 310         }
 311         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 312         g_free(t);
 313 }
 314
 315 void
 316 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 317 {
 318         struct Client *c = (struct Client *)data;
 319         gdouble p;
 320
 321         p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 322         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), p);
 323 }
 324
 325 void
 326 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 327 {
 328         const gchar *t;
 329         struct Client *c = (struct Client *)data;
 330
 331         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 332         gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 333 }
 334
 335 void
 336 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 337 {
 338         const gchar *t;
 339         struct Client *c = (struct Client *)data;
 340
 341         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 342         gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 343 }
 344
 345 gboolean
 346 crashed_web_view(WebKitWebView *web_view, gpointer data)
 347 {
 348         fprintf(stderr, __NAME__": WebView crashed!\n");
 349         if (crash_autoreload_delay >= 1)
 350         {
 351                 fprintf(stderr, __NAME__": Reloading WebView in %d seconds.\n",
 352                         crash_autoreload_delay);
 353                 g_timeout_add_seconds(crash_autoreload_delay, crashed_web_view_reload,
 354                                       web_view);
 355         }
 356
 357         return TRUE;
 358 }
 359
 360 gboolean
 361 crashed_web_view_reload(gpointer data)
 362 {
 363         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(data));
 364
 365         return G_SOURCE_REMOVE;
 366 }
 367
 368 gboolean
 369 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 370               WebKitPolicyDecisionType type, gpointer data)
 371 {
 372         WebKitResponsePolicyDecision *r;
 373
 374         switch (type)
 375         {
 376                 case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 377                         r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 378                         if (!webkit_response_policy_decision_is_mime_type_supported(r))
 379                                 webkit_policy_decision_download(decision);
 380                         else
 381                                 webkit_policy_decision_use(decision);
 382                         break;
 383                 default:
 384                         /* Use whatever default there is. */
 385                         return FALSE;
 386         }
 387         return TRUE;
 388 }
 389
 390 void
 391 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 392                       gpointer data)
 393 {
 394         g_signal_connect(G_OBJECT(download), "decide-destination",
 395                          G_CALLBACK(download_handle), data);
 396 }
 397
 398 gboolean
 399 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 400 {
 401         gchar *path, *path2 = NULL, *uri;
 402         GtkToolItem *tb;
 403         int suffix = 1;
 404
 405         path = g_build_filename(download_dir, suggested_filename, NULL);
 406         path2 = g_strdup(path);
 407         while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 408         {
 409                 g_free(path2);
 410
 411                 path2 = g_strdup_printf("%s.%d", path, suffix);
 412                 suffix++;
 413         }
 414
 415         if (suffix == 1000)
 416         {
 417                 fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 418                 webkit_download_cancel(download);
 419         }
 420         else
 421         {
 422                 uri = g_filename_to_uri(path2, NULL, NULL);
 423                 webkit_download_set_destination(download, uri);
 424                 g_free(uri);
 425
 426                 tb = gtk_tool_button_new(NULL, NULL);
 427                 gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 428                 gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), suggested_filename);
 429                 gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 430                 gtk_widget_show_all(dm.win);
 431
 432                 g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 433                                  G_CALLBACK(changed_download_progress), tb);
 434
 435                 g_object_ref(download);
 436                 g_signal_connect(G_OBJECT(tb), "clicked",
 437                                  G_CALLBACK(downloadmanager_cancel), download);
 438         }
 439
 440         g_free(path);
 441         g_free(path2);
 442
 443         /* Propagate -- to whom it may concern. */
 444         return FALSE;
 445 }
 446
 447 void
 448 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 449 {
 450         WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 451
 452         webkit_download_cancel(download);
 453         g_object_unref(download);
 454
 455         gtk_widget_destroy(GTK_WIDGET(tb));
 456 }
 457
 458 void
 459 downloadmanager_setup(void)
 460 {
 461         dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 462         gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 463         gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 464         gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 465         g_signal_connect(G_OBJECT(dm.win), "delete-event",
 466                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 467         g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 468                          G_CALLBACK(key_downloadmanager), NULL);
 469
 470         dm.toolbar = gtk_toolbar_new();
 471         gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 472                                        GTK_ORIENTATION_VERTICAL);
 473         gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 474         gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 475
 476         dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 477         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 478                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 479         gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 480
 481         gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 482 }
 483
 484 gchar *
 485 ensure_uri_scheme(const gchar *t)
 486 {
 487         gchar *f;
 488
 489         f = g_ascii_strdown(t, -1);
 490         if (!g_str_has_prefix(f, "http:") &&
 491             !g_str_has_prefix(f, "https:") &&
 492             !g_str_has_prefix(f, "file:") &&
 493             !g_str_has_prefix(f, "about:"))
 494         {
 495                 g_free(f);
 496                 f = g_strdup_printf("http://%s", t);
 497                 return f;
 498         }
 499         else
 500                 return g_strdup(t);
 501 }
 502
 503 void
 504 grab_environment_configuration(void)
 505 {
 506         const gchar *e;
 507
 508         e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 509         if (e != NULL)
 510                 accepted_language[0] = g_strdup(e);
 511
 512         e = g_getenv(__NAME_UPPERCASE__"_CRASH_AUTORELOAD_DELAY");
 513         if (e != NULL)
 514                 crash_autoreload_delay = atoi(e);
 515
 516         e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 517         if (e != NULL)
 518                 download_dir = g_strdup(e);
 519
 520         e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 521         if (e != NULL)
 522                 fifo_suffix = g_strdup(e);
 523
 524         e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 525         if (e != NULL)
 526                 home_uri = g_strdup(e);
 527
 528         e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 529         if (e != NULL)
 530                 user_agent = g_strdup(e);
 531
 532         e = g_getenv(__NAME_UPPERCASE__"_WEB_EXTENSIONS_DIR");
 533         if (e != NULL)
 534                 web_extensions_dir = g_strdup(e);
 535         else
 536                 web_extensions_dir = g_build_filename(g_get_user_data_dir(), __NAME__,
 537                                                       "web_extensions", NULL);
 538
 539         e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 540         if (e != NULL)
 541                 global_zoom = atof(e);
 542 }
 543
 544 void
 545 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 546                gpointer data)
 547 {
 548         struct Client *c = (struct Client *)data;
 549
 550         if (!gtk_widget_is_focus(c->location))
 551         {
 552                 if (webkit_hit_test_result_context_is_link(ht))
 553                 {
 554                         gtk_entry_set_text(GTK_ENTRY(c->location),
 555                                            webkit_hit_test_result_get_link_uri(ht));
 556
 557                         if (c->hover_uri != NULL)
 558                                 g_free(c->hover_uri);
 559                         c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 560                 }
 561                 else
 562                 {
 563                         gtk_entry_set_text(GTK_ENTRY(c->location),
 564                                            webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 565
 566                         if (c->hover_uri != NULL)
 567                                 g_free(c->hover_uri);
 568                         c->hover_uri = NULL;
 569                 }
 570         }
 571 }
 572
 573 gboolean
 574 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 575 {
 576         if (event->type == GDK_KEY_PRESS)
 577         {
 578                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 579                 {
 580                         switch (((GdkEventKey *)event)->keyval)
 581                         {
 582                                 case GDK_KEY_d:  /* close window (left hand) */
 583                                         gtk_widget_hide(dm.win);
 584                                         return TRUE;
 585                         }
 586                 }
 587         }
 588
 589         return FALSE;
 590 }
 591
 592 gboolean
 593 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 594 {
 595         struct Client *c = (struct Client *)data;
 596         const gchar *t;
 597         gchar *f;
 598         WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 599
 600         if (event->type == GDK_KEY_PRESS)
 601         {
 602                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 603                 {
 604                         switch (((GdkEventKey *)event)->keyval)
 605                         {
 606                                 case GDK_KEY_q:  /* close window (left hand) */
 607                                         gtk_widget_destroy(c->win);
 608                                         return TRUE;
 609                                 case GDK_KEY_d:  /* download manager (left hand) */
 610                                         gtk_widget_show_all(dm.win);
 611                                         return TRUE;
 612                                 case GDK_KEY_r:  /* reload (left hand) */
 613                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 614                                                                             c->web_view));
 615                                         return TRUE;
 616                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 617                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 618                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 619                                         return TRUE;
 620                                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 621                                         trust_user_certs(wc);
 622                                         return TRUE;
 623                         }
 624                 }
 625                 else
 626                 {
 627                         switch (((GdkEventKey *)event)->keyval)
 628                         {
 629                                 case GDK_KEY_Return:
 630                                         gtk_widget_grab_focus(c->web_view);
 631                                         t = gtk_entry_get_text(GTK_ENTRY(c->location));
 632                                         if (t != NULL && t[0] == '/')
 633                                         {
 634                                                 if (search_text != NULL)
 635                                                         g_free(search_text);
 636                                                 search_text = g_strdup(t + 1);  /* XXX whacky */
 637                                                 search(c, 0);
 638                                         }
 639                                         else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 640                                         {
 641                                                 f = ensure_uri_scheme(t);
 642                                                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 643                                                 g_free(f);
 644                                         }
 645                                         return TRUE;
 646                                 case GDK_KEY_Escape:
 647                                         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 648                                         gtk_entry_set_text(GTK_ENTRY(c->location),
 649                                                            (t == NULL ? __NAME__ : t));
 650                                         return TRUE;
 651                         }
 652                 }
 653         }
 654
 655         return FALSE;
 656 }
 657
 658 gboolean
 659 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 660 {
 661         struct Client *c = (struct Client *)data;
 662         gdouble dx, dy;
 663         gchar *f;
 664         gfloat z;
 665         WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 666
 667         if (event->type == GDK_KEY_PRESS)
 668         {
 669                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 670                 {
 671                         switch (((GdkEventKey *)event)->keyval)
 672                         {
 673                                 case GDK_KEY_q:  /* close window (left hand) */
 674                                         gtk_widget_destroy(c->win);
 675                                         return TRUE;
 676                                 case GDK_KEY_w:  /* home (left hand) */
 677                                         f = ensure_uri_scheme(home_uri);
 678                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 679                                         g_free(f);
 680                                         return TRUE;
 681                                 case GDK_KEY_e:  /* new tab (left hand) */
 682                                         f = ensure_uri_scheme(home_uri);
 683                                         client_new(f);
 684                                         g_free(f);
 685                                         return TRUE;
 686                                 case GDK_KEY_r:  /* reload (left hand) */
 687                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 688                                                                             c->web_view));
 689                                         return TRUE;
 690                                 case GDK_KEY_d:  /* download manager (left hand) */
 691                                         gtk_widget_show_all(dm.win);
 692                                         return TRUE;
 693                                 case GDK_KEY_2:  /* search forward (left hand) */
 694                                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 695                                         search(c, 1);
 696                                         return TRUE;
 697                                 case GDK_KEY_3:  /* search backward (left hand) */
 698                                         search(c, -1);
 699                                         return TRUE;
 700                                 case GDK_KEY_l:  /* location (BOTH hands) */
 701                                         gtk_widget_grab_focus(c->location);
 702                                         return TRUE;
 703                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 704                                         gtk_widget_grab_focus(c->location);
 705                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 706                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 707                                         return TRUE;
 708                                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 709                                         trust_user_certs(wc);
 710                                         return TRUE;
 711                         }
 712                 }
 713                 else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 714                 {
 715                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 716                         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 717                 }
 718         }
 719         else if (event->type == GDK_BUTTON_PRESS)
 720         {
 721                 switch (((GdkEventButton *)event)->button)
 722                 {
 723                         case 2:
 724                                 if (c->hover_uri != NULL)
 725                                 {
 726                                         client_new(c->hover_uri);
 727                                         return TRUE;
 728                                 }
 729                                 break;
 730                         case 8:
 731                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 732                                 return TRUE;
 733                         case 9:
 734                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 735                                 return TRUE;
 736                 }
 737         }
 738         else if (event->type == GDK_SCROLL)
 739         {
 740                 if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 741                     ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 742                 {
 743                         gdk_event_get_scroll_deltas(event, &dx, &dy);
 744                         z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 745                         z += -dy * 0.1;
 746                         z = dx != 0 ? global_zoom : z;
 747                         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 748                         return TRUE;
 749                 }
 750         }
 751
 752         return FALSE;
 753 }
 754
 755 void
 756 keywords_load(void)
 757 {
 758         GError *err = NULL;
 759         GIOChannel *channel = NULL;
 760         gchar *path = NULL, *buf = NULL;
 761         gchar **tokens = NULL;
 762
 763         keywords = g_hash_table_new(g_str_hash, g_str_equal);
 764
 765         path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 766                                 NULL);
 767         channel = g_io_channel_new_file(path, "r", &err);
 768         if (channel != NULL)
 769         {
 770                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 771                        == G_IO_STATUS_NORMAL)
 772                 {
 773                         g_strstrip(buf);
 774                         if (buf[0] != '#')
 775                         {
 776                                 tokens = g_strsplit(buf, " ", 2);
 777                                 if (tokens[0] != NULL && tokens[1] != NULL)
 778                                         g_hash_table_insert(keywords, g_strdup(tokens[0]),
 779                                                             g_strdup(tokens[1]));
 780                                 g_strfreev(tokens);
 781                         }
 782                         g_free(buf);
 783                 }
 784                 g_io_channel_shutdown(channel, FALSE, NULL);
 785         }
 786         g_free(path);
 787 }
 788
 789 gboolean
 790 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 791 {
 792         gboolean ret = FALSE;
 793         gchar **tokens = NULL;
 794         gchar *val = NULL, *uri = NULL;
 795
 796         tokens = g_strsplit(t, " ", 2);
 797         if (tokens[0] != NULL && tokens[1] != NULL)
 798         {
 799                 val = g_hash_table_lookup(keywords, tokens[0]);
 800                 if (val != NULL)
 801                 {
 802                         uri = g_strdup_printf((gchar *)val, tokens[1]);
 803                         webkit_web_view_load_uri(web_view, uri);
 804                         g_free(uri);
 805                         ret = TRUE;
 806                 }
 807         }
 808         g_strfreev(tokens);
 809
 810         return ret;
 811 }
 812
 813 gboolean
 814 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 815 {
 816         gchar *uri = NULL;
 817
 818         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 819         if (uri)
 820         {
 821                 g_strstrip(uri);
 822                 client_new(uri);
 823                 g_free(uri);
 824         }
 825         return TRUE;
 826 }
 827
 828 void
 829 search(gpointer data, gint direction)
 830 {
 831         struct Client *c = (struct Client *)data;
 832         WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 833         WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 834
 835         if (search_text == NULL)
 836                 return;
 837
 838         switch (direction)
 839         {
 840                 case 0:
 841                         webkit_find_controller_search(fc, search_text,
 842                                                       WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 843                                                       WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 844                                                       G_MAXUINT);
 845                         break;
 846                 case 1:
 847                         webkit_find_controller_search_next(fc);
 848                         break;
 849                 case -1:
 850                         webkit_find_controller_search_previous(fc);
 851                         break;
 852         }
 853 }
 854
 855 Window
 856 tabbed_launch(void)
 857 {
 858         gint tabbed_stdout;
 859         GIOChannel *tabbed_stdout_channel;
 860         GError *err = NULL;
 861         gchar *output = NULL;
 862         char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 863         Window plug_into;
 864
 865         if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 866                                       NULL, NULL, NULL, &tabbed_stdout, NULL,
 867                                       &err))
 868         {
 869                 fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 870                 g_error_free(err);
 871                 return 0;
 872         }
 873
 874         tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 875         if (tabbed_stdout_channel == NULL)
 876         {
 877                 fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 878                 return 0;
 879         }
 880         g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 881         g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 882         if (output == NULL)
 883         {
 884                 fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 885                 return 0;
 886         }
 887         g_strstrip(output);
 888         plug_into = strtol(output, NULL, 16);
 889         g_free(output);
 890         if (plug_into == 0)
 891                 fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
 892         return plug_into;
 893 }
 894
 895 void
 896 trust_user_certs(WebKitWebContext *wc)
 897 {
 898         GTlsCertificate *cert;
 899         const gchar *basedir, *file, *absfile;
 900         GDir *dir;
 901
 902         basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
 903         dir = g_dir_open(basedir, 0, NULL);
 904         if (dir != NULL)
 905         {
 906                 file = g_dir_read_name(dir);
 907                 while (file != NULL)
 908                 {
 909                         absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
 910                                                    file, NULL);
 911                         cert = g_tls_certificate_new_from_file(absfile, NULL);
 912                         if (cert == NULL)
 913                                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
 914                         else
 915                                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
 916                         file = g_dir_read_name(dir);
 917                 }
 918                 g_dir_close(dir);
 919         }
 920 }
 921
 922
 923 int
 924 main(int argc, char **argv)
 925 {
 926         int opt, i;
 927
 928         gtk_init(&argc, &argv);
 929
 930         grab_environment_configuration();
 931
 932         while ((opt = getopt(argc, argv, "e:CT")) != -1)
 933         {
 934                 switch (opt)
 935                 {
 936                         case 'e':
 937                                 embed = atol(optarg);
 938                                 tabbed_automagic = FALSE;
 939                                 break;
 940                         case 'C':
 941                                 cooperative_instances = FALSE;
 942                                 break;
 943                         case 'T':
 944                                 tabbed_automagic = FALSE;
 945                                 break;
 946                         default:
 947                                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
 948                                 exit(EXIT_FAILURE);
 949                 }
 950         }
 951
 952         keywords_load();
 953         cooperation_setup();
 954         downloadmanager_setup();
 955
 956         if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 957                 embed = tabbed_launch();
 958
 959         if (!cooperative_instances || cooperative_alone)
 960                 webkit_web_context_set_web_extensions_directory(webkit_web_context_get_default(),
 961                                                                 web_extensions_dir);
 962
 963         if (optind >= argc)
 964                 client_new(home_uri);
 965         else
 966         {
 967                 for (i = optind; i < argc; i++)
 968                         client_new(argv[i]);
 969         }
 970
 971         if (!cooperative_instances || cooperative_alone)
 972                 gtk_main();
 973         exit(EXIT_SUCCESS);
 974 }