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 = "/var/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         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), "close",
 170                          G_CALLBACK(client_destroy_request), c);
 171         g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 172                          G_CALLBACK(decide_policy), NULL);
 173         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 174                          G_CALLBACK(key_web_view), c);
 175         g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 176                          G_CALLBACK(key_web_view), c);
 177         g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 178                          G_CALLBACK(key_web_view), c);
 179         g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 180                          G_CALLBACK(hover_web_view), c);
 181         g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 182                          G_CALLBACK(crashed_web_view), c);
 183
 184         if (!initial_wc_setup_done)
 185         {
 186                 if (accepted_language[0] != NULL)
 187                         webkit_web_context_set_preferred_languages(wc, accepted_language);
 188
 189                 g_signal_connect(G_OBJECT(wc), "download-started",
 190                                  G_CALLBACK(download_handle_start), NULL);
 191
 192                 trust_user_certs(wc);
 193
 194                 initial_wc_setup_done = TRUE;
 195         }
 196
 197         if (user_agent != NULL)
 198                 g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 199                              "user-agent", user_agent, NULL);
 200
 201         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 202
 203         gtk_container_add(GTK_CONTAINER(c->scroll), c->web_view);
 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         /* XXX Progress bars don't work/look as intended anymore. Level bars
 210          * are a dirty workaround (kind of). */
 211         c->progress = gtk_level_bar_new();
 212         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 213         gtk_widget_set_size_request(c->progress, 100, -1);
 214
 215         c->top_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 216         gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 2);
 217         gtk_box_pack_start(GTK_BOX(c->top_box), c->progress, FALSE, FALSE, 2);
 218
 219         c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 220         gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 2);
 221         gtk_box_pack_start(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 2);
 222
 223         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 224
 225         gtk_widget_grab_focus(c->web_view);
 226         gtk_widget_show_all(c->win);
 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);
 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) * 100;
 293         resp = webkit_download_get_response(download);
 294         size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 295
 296         uri = webkit_download_get_destination(download);
 297         filename = g_filename_from_uri(uri, NULL, NULL);
 298         if (filename == NULL)
 299         {
 300                 /* This really should not happen because WebKit uses that URI to
 301                  * write to a file... */
 302                 fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 303                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 304                                     webkit_uri_response_get_uri(resp), p, size_mb);
 305         }
 306         else
 307         {
 308                 base = g_path_get_basename(filename);
 309                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 310                 g_free(filename);
 311                 g_free(base);
 312         }
 313         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 314         g_free(t);
 315 }
 316
 317 void
 318 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 319 {
 320         struct Client *c = (struct Client *)data;
 321         gdouble p;
 322
 323         p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 324         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), p);
 325 }
 326
 327 void
 328 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 329 {
 330         const gchar *t;
 331         struct Client *c = (struct Client *)data;
 332
 333         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 334         gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 335 }
 336
 337 void
 338 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 339 {
 340         const gchar *t;
 341         struct Client *c = (struct Client *)data;
 342
 343         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 344         gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 345 }
 346
 347 gboolean
 348 crashed_web_view(WebKitWebView *web_view, gpointer data)
 349 {
 350         fprintf(stderr, __NAME__": WebView crashed!\n");
 351         if (crash_autoreload_delay >= 1)
 352         {
 353                 fprintf(stderr, __NAME__": Reloading WebView in %d seconds.\n",
 354                         crash_autoreload_delay);
 355                 g_timeout_add_seconds(crash_autoreload_delay, crashed_web_view_reload,
 356                                       web_view);
 357         }
 358
 359         return TRUE;
 360 }
 361
 362 gboolean
 363 crashed_web_view_reload(gpointer data)
 364 {
 365         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(data));
 366
 367         return G_SOURCE_REMOVE;
 368 }
 369
 370 gboolean
 371 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 372               WebKitPolicyDecisionType type, gpointer data)
 373 {
 374         WebKitResponsePolicyDecision *r;
 375
 376         switch (type)
 377         {
 378                 case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 379                         r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 380                         if (!webkit_response_policy_decision_is_mime_type_supported(r))
 381                                 webkit_policy_decision_download(decision);
 382                         else
 383                                 webkit_policy_decision_use(decision);
 384                         break;
 385                 default:
 386                         /* Use whatever default there is. */
 387                         return FALSE;
 388         }
 389         return TRUE;
 390 }
 391
 392 void
 393 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 394                       gpointer data)
 395 {
 396         g_signal_connect(G_OBJECT(download), "decide-destination",
 397                          G_CALLBACK(download_handle), data);
 398 }
 399
 400 gboolean
 401 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 402 {
 403         gchar *path, *path2 = NULL, *uri;
 404         GtkToolItem *tb;
 405         int suffix = 1;
 406
 407         path = g_build_filename(download_dir, suggested_filename, NULL);
 408         path2 = g_strdup(path);
 409         while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 410         {
 411                 g_free(path2);
 412
 413                 path2 = g_strdup_printf("%s.%d", path, suffix);
 414                 suffix++;
 415         }
 416
 417         if (suffix == 1000)
 418         {
 419                 fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 420                 webkit_download_cancel(download);
 421         }
 422         else
 423         {
 424                 uri = g_filename_to_uri(path2, NULL, NULL);
 425                 webkit_download_set_destination(download, uri);
 426                 g_free(uri);
 427
 428                 tb = gtk_tool_button_new(NULL, NULL);
 429                 gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 430                 gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), suggested_filename);
 431                 gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 432                 gtk_widget_show_all(dm.win);
 433
 434                 g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 435                                  G_CALLBACK(changed_download_progress), tb);
 436
 437                 g_object_ref(download);
 438                 g_signal_connect(G_OBJECT(tb), "clicked",
 439                                  G_CALLBACK(downloadmanager_cancel), download);
 440         }
 441
 442         g_free(path);
 443         g_free(path2);
 444
 445         /* Propagate -- to whom it may concern. */
 446         return FALSE;
 447 }
 448
 449 void
 450 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 451 {
 452         WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 453
 454         webkit_download_cancel(download);
 455         g_object_unref(download);
 456
 457         gtk_widget_destroy(GTK_WIDGET(tb));
 458 }
 459
 460 void
 461 downloadmanager_setup(void)
 462 {
 463         dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 464         gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 465         gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 466         gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 467         g_signal_connect(G_OBJECT(dm.win), "delete-event",
 468                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 469         g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 470                          G_CALLBACK(key_downloadmanager), NULL);
 471
 472         dm.toolbar = gtk_toolbar_new();
 473         gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 474                                        GTK_ORIENTATION_VERTICAL);
 475         gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 476         gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 477
 478         dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 479         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 480                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 481         gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 482
 483         gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 484 }
 485
 486 gchar *
 487 ensure_uri_scheme(const gchar *t)
 488 {
 489         gchar *f;
 490
 491         f = g_ascii_strdown(t, -1);
 492         if (!g_str_has_prefix(f, "http:") &&
 493             !g_str_has_prefix(f, "https:") &&
 494             !g_str_has_prefix(f, "file:") &&
 495             !g_str_has_prefix(f, "about:"))
 496         {
 497                 g_free(f);
 498                 f = g_strdup_printf("http://%s", t);
 499                 return f;
 500         }
 501         else
 502                 return g_strdup(t);
 503 }
 504
 505 void
 506 grab_environment_configuration(void)
 507 {
 508         const gchar *e;
 509
 510         e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 511         if (e != NULL)
 512                 accepted_language[0] = g_strdup(e);
 513
 514         e = g_getenv(__NAME_UPPERCASE__"_CRASH_AUTORELOAD_DELAY");
 515         if (e != NULL)
 516                 crash_autoreload_delay = atoi(e);
 517
 518         e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 519         if (e != NULL)
 520                 download_dir = g_strdup(e);
 521
 522         e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 523         if (e != NULL)
 524                 fifo_suffix = g_strdup(e);
 525
 526         e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 527         if (e != NULL)
 528                 home_uri = g_strdup(e);
 529
 530         e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 531         if (e != NULL)
 532                 user_agent = g_strdup(e);
 533
 534         e = g_getenv(__NAME_UPPERCASE__"_WEB_EXTENSIONS_DIR");
 535         if (e != NULL)
 536                 web_extensions_dir = g_strdup(e);
 537         else
 538                 web_extensions_dir = g_build_filename(g_get_user_data_dir(), __NAME__,
 539                                                       "web_extensions", NULL);
 540
 541         e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 542         if (e != NULL)
 543                 global_zoom = atof(e);
 544 }
 545
 546 void
 547 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 548                gpointer data)
 549 {
 550         struct Client *c = (struct Client *)data;
 551
 552         if (!gtk_widget_is_focus(c->location))
 553         {
 554                 if (webkit_hit_test_result_context_is_link(ht))
 555                 {
 556                         gtk_entry_set_text(GTK_ENTRY(c->location),
 557                                            webkit_hit_test_result_get_link_uri(ht));
 558
 559                         if (c->hover_uri != NULL)
 560                                 g_free(c->hover_uri);
 561                         c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 562                 }
 563                 else
 564                 {
 565                         gtk_entry_set_text(GTK_ENTRY(c->location),
 566                                            webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 567
 568                         if (c->hover_uri != NULL)
 569                                 g_free(c->hover_uri);
 570                         c->hover_uri = NULL;
 571                 }
 572         }
 573 }
 574
 575 gboolean
 576 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 577 {
 578         if (event->type == GDK_KEY_PRESS)
 579         {
 580                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 581                 {
 582                         switch (((GdkEventKey *)event)->keyval)
 583                         {
 584                                 case GDK_KEY_d:  /* close window (left hand) */
 585                                         gtk_widget_hide(dm.win);
 586                                         return TRUE;
 587                         }
 588                 }
 589         }
 590
 591         return FALSE;
 592 }
 593
 594 gboolean
 595 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 596 {
 597         struct Client *c = (struct Client *)data;
 598         const gchar *t;
 599         gchar *f;
 600         WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 601
 602         if (event->type == GDK_KEY_PRESS)
 603         {
 604                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 605                 {
 606                         switch (((GdkEventKey *)event)->keyval)
 607                         {
 608                                 case GDK_KEY_q:  /* close window (left hand) */
 609                                         gtk_widget_destroy(c->win);
 610                                         return TRUE;
 611                                 case GDK_KEY_d:  /* download manager (left hand) */
 612                                         gtk_widget_show_all(dm.win);
 613                                         return TRUE;
 614                                 case GDK_KEY_r:  /* reload (left hand) */
 615                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 616                                                                             c->web_view));
 617                                         return TRUE;
 618                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 619                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 620                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 621                                         return TRUE;
 622                                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 623                                         trust_user_certs(wc);
 624                                         return TRUE;
 625                         }
 626                 }
 627                 else
 628                 {
 629                         switch (((GdkEventKey *)event)->keyval)
 630                         {
 631                                 case GDK_KEY_Return:
 632                                         gtk_widget_grab_focus(c->web_view);
 633                                         t = gtk_entry_get_text(GTK_ENTRY(c->location));
 634                                         if (t != NULL && t[0] == '/')
 635                                         {
 636                                                 if (search_text != NULL)
 637                                                         g_free(search_text);
 638                                                 search_text = g_strdup(t + 1);  /* XXX whacky */
 639                                                 search(c, 0);
 640                                         }
 641                                         else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 642                                         {
 643                                                 f = ensure_uri_scheme(t);
 644                                                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 645                                                 g_free(f);
 646                                         }
 647                                         return TRUE;
 648                                 case GDK_KEY_Escape:
 649                                         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 650                                         gtk_entry_set_text(GTK_ENTRY(c->location),
 651                                                            (t == NULL ? __NAME__ : t));
 652                                         return TRUE;
 653                         }
 654                 }
 655         }
 656
 657         return FALSE;
 658 }
 659
 660 gboolean
 661 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 662 {
 663         struct Client *c = (struct Client *)data;
 664         gdouble dx, dy;
 665         gchar *f;
 666         gfloat z;
 667         WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 668
 669         if (event->type == GDK_KEY_PRESS)
 670         {
 671                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 672                 {
 673                         switch (((GdkEventKey *)event)->keyval)
 674                         {
 675                                 case GDK_KEY_q:  /* close window (left hand) */
 676                                         gtk_widget_destroy(c->win);
 677                                         return TRUE;
 678                                 case GDK_KEY_w:  /* home (left hand) */
 679                                         f = ensure_uri_scheme(home_uri);
 680                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 681                                         g_free(f);
 682                                         return TRUE;
 683                                 case GDK_KEY_e:  /* new tab (left hand) */
 684                                         f = ensure_uri_scheme(home_uri);
 685                                         client_new(f);
 686                                         g_free(f);
 687                                         return TRUE;
 688                                 case GDK_KEY_r:  /* reload (left hand) */
 689                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 690                                                                             c->web_view));
 691                                         return TRUE;
 692                                 case GDK_KEY_d:  /* download manager (left hand) */
 693                                         gtk_widget_show_all(dm.win);
 694                                         return TRUE;
 695                                 case GDK_KEY_2:  /* search forward (left hand) */
 696                                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 697                                         search(c, 1);
 698                                         return TRUE;
 699                                 case GDK_KEY_3:  /* search backward (left hand) */
 700                                         search(c, -1);
 701                                         return TRUE;
 702                                 case GDK_KEY_l:  /* location (BOTH hands) */
 703                                         gtk_widget_grab_focus(c->location);
 704                                         return TRUE;
 705                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 706                                         gtk_widget_grab_focus(c->location);
 707                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 708                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 709                                         return TRUE;
 710                                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 711                                         trust_user_certs(wc);
 712                                         return TRUE;
 713                         }
 714                 }
 715                 else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 716                 {
 717                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 718                         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 719                 }
 720         }
 721         else if (event->type == GDK_BUTTON_PRESS)
 722         {
 723                 switch (((GdkEventButton *)event)->button)
 724                 {
 725                         case 2:
 726                                 if (c->hover_uri != NULL)
 727                                 {
 728                                         client_new(c->hover_uri);
 729                                         return TRUE;
 730                                 }
 731                                 break;
 732                         case 8:
 733                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 734                                 return TRUE;
 735                         case 9:
 736                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 737                                 return TRUE;
 738                 }
 739         }
 740         else if (event->type == GDK_SCROLL)
 741         {
 742                 if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 743                     ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 744                 {
 745                         gdk_event_get_scroll_deltas(event, &dx, &dy);
 746                         z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 747                         z += -dy * 0.1;
 748                         z = dx != 0 ? global_zoom : z;
 749                         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 750                         return TRUE;
 751                 }
 752         }
 753
 754         return FALSE;
 755 }
 756
 757 void
 758 keywords_load(void)
 759 {
 760         GError *err = NULL;
 761         GIOChannel *channel = NULL;
 762         gchar *path = NULL, *buf = NULL;
 763         gchar **tokens = NULL;
 764
 765         keywords = g_hash_table_new(g_str_hash, g_str_equal);
 766
 767         path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 768                                 NULL);
 769         channel = g_io_channel_new_file(path, "r", &err);
 770         if (channel != NULL)
 771         {
 772                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 773                        == G_IO_STATUS_NORMAL)
 774                 {
 775                         g_strstrip(buf);
 776                         if (buf[0] != '#')
 777                         {
 778                                 tokens = g_strsplit(buf, " ", 2);
 779                                 if (tokens[0] != NULL && tokens[1] != NULL)
 780                                         g_hash_table_insert(keywords, g_strdup(tokens[0]),
 781                                                             g_strdup(tokens[1]));
 782                                 g_strfreev(tokens);
 783                         }
 784                         g_free(buf);
 785                 }
 786                 g_io_channel_shutdown(channel, FALSE, NULL);
 787         }
 788         g_free(path);
 789 }
 790
 791 gboolean
 792 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 793 {
 794         gboolean ret = FALSE;
 795         gchar **tokens = NULL;
 796         gchar *val = NULL, *uri = NULL;
 797
 798         tokens = g_strsplit(t, " ", 2);
 799         if (tokens[0] != NULL && tokens[1] != NULL)
 800         {
 801                 val = g_hash_table_lookup(keywords, tokens[0]);
 802                 if (val != NULL)
 803                 {
 804                         uri = g_strdup_printf((gchar *)val, tokens[1]);
 805                         webkit_web_view_load_uri(web_view, uri);
 806                         g_free(uri);
 807                         ret = TRUE;
 808                 }
 809         }
 810         g_strfreev(tokens);
 811
 812         return ret;
 813 }
 814
 815 gboolean
 816 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 817 {
 818         gchar *uri = NULL;
 819
 820         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 821         if (uri)
 822         {
 823                 g_strstrip(uri);
 824                 client_new(uri);
 825                 g_free(uri);
 826         }
 827         return TRUE;
 828 }
 829
 830 void
 831 search(gpointer data, gint direction)
 832 {
 833         struct Client *c = (struct Client *)data;
 834         WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 835         WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 836
 837         if (search_text == NULL)
 838                 return;
 839
 840         switch (direction)
 841         {
 842                 case 0:
 843                         webkit_find_controller_search(fc, search_text,
 844                                                       WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 845                                                       WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 846                                                       G_MAXUINT);
 847                         break;
 848                 case 1:
 849                         webkit_find_controller_search_next(fc);
 850                         break;
 851                 case -1:
 852                         webkit_find_controller_search_previous(fc);
 853                         break;
 854         }
 855 }
 856
 857 Window
 858 tabbed_launch(void)
 859 {
 860         gint tabbed_stdout;
 861         GIOChannel *tabbed_stdout_channel;
 862         GError *err = NULL;
 863         gchar *output = NULL;
 864         char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 865         Window plug_into;
 866
 867         if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 868                                       NULL, NULL, NULL, &tabbed_stdout, NULL,
 869                                       &err))
 870         {
 871                 fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 872                 g_error_free(err);
 873                 return 0;
 874         }
 875
 876         tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 877         if (tabbed_stdout_channel == NULL)
 878         {
 879                 fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 880                 return 0;
 881         }
 882         g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 883         g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 884         if (output == NULL)
 885         {
 886                 fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 887                 return 0;
 888         }
 889         g_strstrip(output);
 890         plug_into = strtol(output, NULL, 16);
 891         g_free(output);
 892         if (plug_into == 0)
 893                 fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
 894         return plug_into;
 895 }
 896
 897 void
 898 trust_user_certs(WebKitWebContext *wc)
 899 {
 900         GTlsCertificate *cert;
 901         const gchar *basedir, *file, *absfile;
 902         GDir *dir;
 903
 904         basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
 905         dir = g_dir_open(basedir, 0, NULL);
 906         if (dir != NULL)
 907         {
 908                 file = g_dir_read_name(dir);
 909                 while (file != NULL)
 910                 {
 911                         absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
 912                                                    file, NULL);
 913                         cert = g_tls_certificate_new_from_file(absfile, NULL);
 914                         if (cert == NULL)
 915                                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
 916                         else
 917                                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
 918                         file = g_dir_read_name(dir);
 919                 }
 920                 g_dir_close(dir);
 921         }
 922 }
 923
 924
 925 int
 926 main(int argc, char **argv)
 927 {
 928         int opt, i;
 929
 930         gtk_init(&argc, &argv);
 931
 932         grab_environment_configuration();
 933
 934         while ((opt = getopt(argc, argv, "e:CT")) != -1)
 935         {
 936                 switch (opt)
 937                 {
 938                         case 'e':
 939                                 embed = atol(optarg);
 940                                 tabbed_automagic = FALSE;
 941                                 break;
 942                         case 'C':
 943                                 cooperative_instances = FALSE;
 944                                 break;
 945                         case 'T':
 946                                 tabbed_automagic = FALSE;
 947                                 break;
 948                         default:
 949                                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
 950                                 exit(EXIT_FAILURE);
 951                 }
 952         }
 953
 954         keywords_load();
 955         if (cooperative_instances)
 956                 cooperation_setup();
 957         downloadmanager_setup();
 958
 959         if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 960                 embed = tabbed_launch();
 961
 962         if (!cooperative_instances || cooperative_alone)
 963                 webkit_web_context_set_web_extensions_directory(webkit_web_context_get_default(),
 964                                                                 web_extensions_dir);
 965
 966         if (optind >= argc)
 967                 client_new(home_uri);
 968         else
 969         {
 970                 for (i = optind; i < argc; i++)
 971                         client_new(argv[i]);
 972         }
 973
 974         if (!cooperative_instances || cooperative_alone)
 975                 gtk_main();
 976         exit(EXIT_SUCCESS);
 977 }