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 *top_box;
  53         GtkWidget *vbox;
  54         GtkWidget *web_view;
  55         GtkWidget *win;
  56 };
  57
  58 struct DownloadManager
  59 {
  60         GtkWidget *scroll;
  61         GtkWidget *toolbar;
  62         GtkWidget *win;
  63 } dm;
  64
  65
  66 static const gchar *accepted_language[2] = { NULL, NULL };
  67 static gint clients = 0;
  68 static gboolean cooperative_alone = TRUE;
  69 static gboolean cooperative_instances = TRUE;
  70 static int cooperative_pipe_fp = 0;
  71 static int crash_autoreload_delay = 2;
  72 static gchar *download_dir = "/var/tmp";
  73 static Window embed = 0;
  74 static gchar *fifo_suffix = "main";
  75 static gdouble global_zoom = 1.0;
  76 static gchar *home_uri = "about:blank";
  77 static gboolean initial_wc_setup_done = FALSE;
  78 static GHashTable *keywords = NULL;
  79 static gchar *search_text = NULL;
  80 static gboolean tabbed_automagic = TRUE;
  81 static gchar *user_agent = NULL;
  82 static gchar *web_extensions_dir = NULL;
  83
  84
  85 void
  86 client_destroy(GtkWidget *obj, gpointer data)
  87 {
  88         struct Client *c = (struct Client *)data;
  89
  90         g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
  91                                              changed_load_progress, c);
  92
  93         free(c);
  94         clients--;
  95
  96         if (clients == 0)
  97                 gtk_main_quit();
  98 }
  99
 100 gboolean
 101 client_destroy_request(WebKitWebView *web_view, gpointer data)
 102 {
 103         struct Client *c = (struct Client *)data;
 104
 105         gtk_widget_destroy(c->win);
 106
 107         return TRUE;
 108 }
 109
 110 WebKitWebView *
 111 client_new(const gchar *uri)
 112 {
 113         struct Client *c;
 114         WebKitWebContext *wc;
 115         gchar *f;
 116
 117         if (uri != NULL && cooperative_instances && !cooperative_alone)
 118         {
 119                 write(cooperative_pipe_fp, uri, strlen(uri));
 120                 write(cooperative_pipe_fp, "\n", 1);
 121                 return NULL;
 122         }
 123
 124         c = malloc(sizeof(struct Client));
 125         if (!c)
 126         {
 127                 fprintf(stderr, __NAME__": fatal: malloc failed\n");
 128                 exit(EXIT_FAILURE);
 129         }
 130
 131         c->hover_uri = NULL;
 132         c->win = NULL;
 133         if (embed != 0)
 134         {
 135                 c->win = gtk_plug_new(embed);
 136                 if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 137                 {
 138                         fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 139                         gtk_widget_destroy(c->win);
 140                         c->win = NULL;
 141                         embed = 0;
 142                 }
 143         }
 144
 145         if (c->win == NULL)
 146         {
 147                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 148                 gtk_window_set_wmclass(GTK_WINDOW(c->win), __NAME__, __NAME_CAPITALIZED__);
 149         }
 150
 151         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 152
 153         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 154         gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 155
 156         c->web_view = webkit_web_view_new();
 157         wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 158
 159         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 160         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 161                          G_CALLBACK(changed_title), c);
 162         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 163                          G_CALLBACK(changed_uri), c);
 164         g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 165                          G_CALLBACK(changed_load_progress), c);
 166         g_signal_connect(G_OBJECT(c->web_view), "create",
 167                          G_CALLBACK(client_new_request), NULL);
 168         g_signal_connect(G_OBJECT(c->web_view), "close",
 169                          G_CALLBACK(client_destroy_request), c);
 170         g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 171                          G_CALLBACK(decide_policy), NULL);
 172         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 173                          G_CALLBACK(key_web_view), c);
 174         g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 175                          G_CALLBACK(key_web_view), c);
 176         g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 177                          G_CALLBACK(key_web_view), c);
 178         g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 179                          G_CALLBACK(hover_web_view), c);
 180         g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 181                          G_CALLBACK(crashed_web_view), c);
 182
 183         if (!initial_wc_setup_done)
 184         {
 185                 if (accepted_language[0] != NULL)
 186                         webkit_web_context_set_preferred_languages(wc, accepted_language);
 187
 188                 g_signal_connect(G_OBJECT(wc), "download-started",
 189                                  G_CALLBACK(download_handle_start), NULL);
 190
 191                 trust_user_certs(wc);
 192
 193                 initial_wc_setup_done = TRUE;
 194         }
 195
 196         if (user_agent != NULL)
 197                 g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 198                              "user-agent", user_agent, NULL);
 199
 200         c->location = gtk_entry_new();
 201         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 202                          G_CALLBACK(key_location), c);
 203
 204         /* XXX Progress bars don't work/look as intended anymore. Level bars
 205          * are a dirty workaround (kind of). */
 206         c->progress = gtk_level_bar_new();
 207         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 208         gtk_widget_set_size_request(c->progress, 100, -1);
 209
 210         c->top_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 211         gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 212         gtk_box_pack_start(GTK_BOX(c->top_box), c->progress, FALSE, FALSE, 0);
 213
 214         c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 215         gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 0);
 216         gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 217
 218         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 219
 220         gtk_widget_grab_focus(c->web_view);
 221         gtk_widget_show_all(c->win);
 222
 223         if (uri != NULL)
 224         {
 225                 f = ensure_uri_scheme(uri);
 226                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 227                 g_free(f);
 228         }
 229
 230         clients++;
 231
 232         return WEBKIT_WEB_VIEW(c->web_view);
 233 }
 234
 235 WebKitWebView *
 236 client_new_request(WebKitWebView *web_view,
 237                    WebKitNavigationAction *navigation_action, gpointer data)
 238 {
 239         return client_new(NULL);
 240 }
 241
 242 void
 243 cooperation_setup(void)
 244 {
 245         GIOChannel *towatch;
 246         gchar *fifofilename, *fifopath;
 247
 248         fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 249         fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 250         g_free(fifofilename);
 251
 252         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 253                 mkfifo(fifopath, 0600);
 254
 255         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 256         if (!cooperative_pipe_fp)
 257         {
 258                 fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 259         }
 260         else
 261         {
 262                 if (write(cooperative_pipe_fp, "", 0) == -1)
 263                 {
 264                         /* Could not do an empty write to the FIFO which means there's
 265                          * no one listening. */
 266                         close(cooperative_pipe_fp);
 267                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 268                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 269                 }
 270                 else
 271                         cooperative_alone = FALSE;
 272         }
 273
 274         g_free(fifopath);
 275 }
 276
 277 void
 278 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 279 {
 280         WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 281         WebKitURIResponse *resp;
 282         GtkToolItem *tb = GTK_TOOL_ITEM(data);
 283         gdouble p, size_mb;
 284         const gchar *uri;
 285         gchar *t, *filename, *base;
 286
 287         p = webkit_download_get_estimated_progress(download) * 100;
 288         resp = webkit_download_get_response(download);
 289         size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 290
 291         uri = webkit_download_get_destination(download);
 292         filename = g_filename_from_uri(uri, NULL, NULL);
 293         if (filename == NULL)
 294         {
 295                 /* This really should not happen because WebKit uses that URI to
 296                  * write to a file... */
 297                 fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 298                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 299                                     webkit_uri_response_get_uri(resp), p, size_mb);
 300         }
 301         else
 302         {
 303                 base = g_path_get_basename(filename);
 304                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 305                 g_free(filename);
 306                 g_free(base);
 307         }
 308         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 309         g_free(t);
 310 }
 311
 312 void
 313 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 314 {
 315         struct Client *c = (struct Client *)data;
 316         gdouble p;
 317
 318         p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 319         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), p);
 320 }
 321
 322 void
 323 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 324 {
 325         const gchar *t;
 326         struct Client *c = (struct Client *)data;
 327
 328         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 329         gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 330 }
 331
 332 void
 333 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 334 {
 335         const gchar *t;
 336         struct Client *c = (struct Client *)data;
 337
 338         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 339         gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 340 }
 341
 342 gboolean
 343 crashed_web_view(WebKitWebView *web_view, gpointer data)
 344 {
 345         fprintf(stderr, __NAME__": WebView crashed!\n");
 346         if (crash_autoreload_delay >= 1)
 347         {
 348                 fprintf(stderr, __NAME__": Reloading WebView in %d seconds.\n",
 349                         crash_autoreload_delay);
 350                 g_timeout_add_seconds(crash_autoreload_delay, crashed_web_view_reload,
 351                                       web_view);
 352         }
 353
 354         return TRUE;
 355 }
 356
 357 gboolean
 358 crashed_web_view_reload(gpointer data)
 359 {
 360         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(data));
 361
 362         return G_SOURCE_REMOVE;
 363 }
 364
 365 gboolean
 366 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 367               WebKitPolicyDecisionType type, gpointer data)
 368 {
 369         WebKitResponsePolicyDecision *r;
 370
 371         switch (type)
 372         {
 373                 case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 374                         r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 375                         if (!webkit_response_policy_decision_is_mime_type_supported(r))
 376                                 webkit_policy_decision_download(decision);
 377                         else
 378                                 webkit_policy_decision_use(decision);
 379                         break;
 380                 default:
 381                         /* Use whatever default there is. */
 382                         return FALSE;
 383         }
 384         return TRUE;
 385 }
 386
 387 void
 388 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 389                       gpointer data)
 390 {
 391         g_signal_connect(G_OBJECT(download), "decide-destination",
 392                          G_CALLBACK(download_handle), data);
 393 }
 394
 395 gboolean
 396 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 397 {
 398         gchar *path, *path2 = NULL, *uri;
 399         GtkToolItem *tb;
 400         int suffix = 1;
 401
 402         path = g_build_filename(download_dir, suggested_filename, NULL);
 403         path2 = g_strdup(path);
 404         while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 405         {
 406                 g_free(path2);
 407
 408                 path2 = g_strdup_printf("%s.%d", path, suffix);
 409                 suffix++;
 410         }
 411
 412         if (suffix == 1000)
 413         {
 414                 fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 415                 webkit_download_cancel(download);
 416         }
 417         else
 418         {
 419                 uri = g_filename_to_uri(path2, NULL, NULL);
 420                 webkit_download_set_destination(download, uri);
 421                 g_free(uri);
 422
 423                 tb = gtk_tool_button_new(NULL, NULL);
 424                 gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 425                 gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), suggested_filename);
 426                 gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 427                 gtk_widget_show_all(dm.win);
 428
 429                 g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 430                                  G_CALLBACK(changed_download_progress), tb);
 431
 432                 g_object_ref(download);
 433                 g_signal_connect(G_OBJECT(tb), "clicked",
 434                                  G_CALLBACK(downloadmanager_cancel), download);
 435         }
 436
 437         g_free(path);
 438         g_free(path2);
 439
 440         /* Propagate -- to whom it may concern. */
 441         return FALSE;
 442 }
 443
 444 void
 445 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 446 {
 447         WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 448
 449         webkit_download_cancel(download);
 450         g_object_unref(download);
 451
 452         gtk_widget_destroy(GTK_WIDGET(tb));
 453 }
 454
 455 void
 456 downloadmanager_setup(void)
 457 {
 458         dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 459         gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 460         gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 461         gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 462         g_signal_connect(G_OBJECT(dm.win), "delete-event",
 463                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 464         g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 465                          G_CALLBACK(key_downloadmanager), NULL);
 466
 467         dm.toolbar = gtk_toolbar_new();
 468         gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 469                                        GTK_ORIENTATION_VERTICAL);
 470         gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 471         gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 472
 473         dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 474         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 475                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 476         gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 477
 478         gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 479 }
 480
 481 gchar *
 482 ensure_uri_scheme(const gchar *t)
 483 {
 484         gchar *f;
 485
 486         f = g_ascii_strdown(t, -1);
 487         if (!g_str_has_prefix(f, "http:") &&
 488             !g_str_has_prefix(f, "https:") &&
 489             !g_str_has_prefix(f, "file:") &&
 490             !g_str_has_prefix(f, "about:"))
 491         {
 492                 g_free(f);
 493                 f = g_strdup_printf("http://%s", t);
 494                 return f;
 495         }
 496         else
 497                 return g_strdup(t);
 498 }
 499
 500 void
 501 grab_environment_configuration(void)
 502 {
 503         const gchar *e;
 504
 505         e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 506         if (e != NULL)
 507                 accepted_language[0] = g_strdup(e);
 508
 509         e = g_getenv(__NAME_UPPERCASE__"_CRASH_AUTORELOAD_DELAY");
 510         if (e != NULL)
 511                 crash_autoreload_delay = atoi(e);
 512
 513         e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 514         if (e != NULL)
 515                 download_dir = g_strdup(e);
 516
 517         e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 518         if (e != NULL)
 519                 fifo_suffix = g_strdup(e);
 520
 521         e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 522         if (e != NULL)
 523                 home_uri = g_strdup(e);
 524
 525         e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 526         if (e != NULL)
 527                 user_agent = g_strdup(e);
 528
 529         e = g_getenv(__NAME_UPPERCASE__"_WEB_EXTENSIONS_DIR");
 530         if (e != NULL)
 531                 web_extensions_dir = g_strdup(e);
 532         else
 533                 web_extensions_dir = g_build_filename(g_get_user_data_dir(), __NAME__,
 534                                                       "web_extensions", NULL);
 535
 536         e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 537         if (e != NULL)
 538                 global_zoom = atof(e);
 539 }
 540
 541 void
 542 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 543                gpointer data)
 544 {
 545         struct Client *c = (struct Client *)data;
 546
 547         if (!gtk_widget_is_focus(c->location))
 548         {
 549                 if (webkit_hit_test_result_context_is_link(ht))
 550                 {
 551                         gtk_entry_set_text(GTK_ENTRY(c->location),
 552                                            webkit_hit_test_result_get_link_uri(ht));
 553
 554                         if (c->hover_uri != NULL)
 555                                 g_free(c->hover_uri);
 556                         c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 557                 }
 558                 else
 559                 {
 560                         gtk_entry_set_text(GTK_ENTRY(c->location),
 561                                            webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 562
 563                         if (c->hover_uri != NULL)
 564                                 g_free(c->hover_uri);
 565                         c->hover_uri = NULL;
 566                 }
 567         }
 568 }
 569
 570 gboolean
 571 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 572 {
 573         if (event->type == GDK_KEY_PRESS)
 574         {
 575                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 576                 {
 577                         switch (((GdkEventKey *)event)->keyval)
 578                         {
 579                                 case GDK_KEY_d:  /* close window (left hand) */
 580                                         gtk_widget_hide(dm.win);
 581                                         return TRUE;
 582                         }
 583                 }
 584         }
 585
 586         return FALSE;
 587 }
 588
 589 gboolean
 590 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 591 {
 592         struct Client *c = (struct Client *)data;
 593         const gchar *t;
 594         gchar *f;
 595         WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 596
 597         if (event->type == GDK_KEY_PRESS)
 598         {
 599                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 600                 {
 601                         switch (((GdkEventKey *)event)->keyval)
 602                         {
 603                                 case GDK_KEY_q:  /* close window (left hand) */
 604                                         gtk_widget_destroy(c->win);
 605                                         return TRUE;
 606                                 case GDK_KEY_d:  /* download manager (left hand) */
 607                                         gtk_widget_show_all(dm.win);
 608                                         return TRUE;
 609                                 case GDK_KEY_r:  /* reload (left hand) */
 610                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 611                                                                             c->web_view));
 612                                         return TRUE;
 613                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 614                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 615                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 616                                         return TRUE;
 617                                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 618                                         trust_user_certs(wc);
 619                                         return TRUE;
 620                         }
 621                 }
 622                 else
 623                 {
 624                         switch (((GdkEventKey *)event)->keyval)
 625                         {
 626                                 case GDK_KEY_Return:
 627                                         gtk_widget_grab_focus(c->web_view);
 628                                         t = gtk_entry_get_text(GTK_ENTRY(c->location));
 629                                         if (t != NULL && t[0] == '/')
 630                                         {
 631                                                 if (search_text != NULL)
 632                                                         g_free(search_text);
 633                                                 search_text = g_strdup(t + 1);  /* XXX whacky */
 634                                                 search(c, 0);
 635                                         }
 636                                         else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 637                                         {
 638                                                 f = ensure_uri_scheme(t);
 639                                                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 640                                                 g_free(f);
 641                                         }
 642                                         return TRUE;
 643                                 case GDK_KEY_Escape:
 644                                         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 645                                         gtk_entry_set_text(GTK_ENTRY(c->location),
 646                                                            (t == NULL ? __NAME__ : t));
 647                                         return TRUE;
 648                         }
 649                 }
 650         }
 651
 652         return FALSE;
 653 }
 654
 655 gboolean
 656 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 657 {
 658         struct Client *c = (struct Client *)data;
 659         gdouble dx, dy;
 660         gchar *f;
 661         gfloat z;
 662         WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 663
 664         if (event->type == GDK_KEY_PRESS)
 665         {
 666                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 667                 {
 668                         switch (((GdkEventKey *)event)->keyval)
 669                         {
 670                                 case GDK_KEY_q:  /* close window (left hand) */
 671                                         gtk_widget_destroy(c->win);
 672                                         return TRUE;
 673                                 case GDK_KEY_w:  /* home (left hand) */
 674                                         f = ensure_uri_scheme(home_uri);
 675                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 676                                         g_free(f);
 677                                         return TRUE;
 678                                 case GDK_KEY_e:  /* new tab (left hand) */
 679                                         f = ensure_uri_scheme(home_uri);
 680                                         client_new(f);
 681                                         g_free(f);
 682                                         return TRUE;
 683                                 case GDK_KEY_r:  /* reload (left hand) */
 684                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 685                                                                             c->web_view));
 686                                         return TRUE;
 687                                 case GDK_KEY_d:  /* download manager (left hand) */
 688                                         gtk_widget_show_all(dm.win);
 689                                         return TRUE;
 690                                 case GDK_KEY_2:  /* search forward (left hand) */
 691                                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 692                                         search(c, 1);
 693                                         return TRUE;
 694                                 case GDK_KEY_3:  /* search backward (left hand) */
 695                                         search(c, -1);
 696                                         return TRUE;
 697                                 case GDK_KEY_l:  /* location (BOTH hands) */
 698                                         gtk_widget_grab_focus(c->location);
 699                                         return TRUE;
 700                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 701                                         gtk_widget_grab_focus(c->location);
 702                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 703                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 704                                         return TRUE;
 705                                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 706                                         trust_user_certs(wc);
 707                                         return TRUE;
 708                         }
 709                 }
 710                 else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 711                 {
 712                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 713                         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 714                 }
 715         }
 716         else if (event->type == GDK_BUTTON_PRESS)
 717         {
 718                 switch (((GdkEventButton *)event)->button)
 719                 {
 720                         case 2:
 721                                 if (c->hover_uri != NULL)
 722                                 {
 723                                         client_new(c->hover_uri);
 724                                         return TRUE;
 725                                 }
 726                                 break;
 727                         case 8:
 728                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 729                                 return TRUE;
 730                         case 9:
 731                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 732                                 return TRUE;
 733                 }
 734         }
 735         else if (event->type == GDK_SCROLL)
 736         {
 737                 if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 738                     ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 739                 {
 740                         gdk_event_get_scroll_deltas(event, &dx, &dy);
 741                         z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 742                         z += -dy * 0.1;
 743                         z = dx != 0 ? global_zoom : z;
 744                         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 745                         return TRUE;
 746                 }
 747         }
 748
 749         return FALSE;
 750 }
 751
 752 void
 753 keywords_load(void)
 754 {
 755         GError *err = NULL;
 756         GIOChannel *channel = NULL;
 757         gchar *path = NULL, *buf = NULL;
 758         gchar **tokens = NULL;
 759
 760         keywords = g_hash_table_new(g_str_hash, g_str_equal);
 761
 762         path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 763                                 NULL);
 764         channel = g_io_channel_new_file(path, "r", &err);
 765         if (channel != NULL)
 766         {
 767                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 768                        == G_IO_STATUS_NORMAL)
 769                 {
 770                         g_strstrip(buf);
 771                         if (buf[0] != '#')
 772                         {
 773                                 tokens = g_strsplit(buf, " ", 2);
 774                                 if (tokens[0] != NULL && tokens[1] != NULL)
 775                                         g_hash_table_insert(keywords, g_strdup(tokens[0]),
 776                                                             g_strdup(tokens[1]));
 777                                 g_strfreev(tokens);
 778                         }
 779                         g_free(buf);
 780                 }
 781                 g_io_channel_shutdown(channel, FALSE, NULL);
 782         }
 783         g_free(path);
 784 }
 785
 786 gboolean
 787 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 788 {
 789         gboolean ret = FALSE;
 790         gchar **tokens = NULL;
 791         gchar *val = NULL, *uri = NULL;
 792
 793         tokens = g_strsplit(t, " ", 2);
 794         if (tokens[0] != NULL && tokens[1] != NULL)
 795         {
 796                 val = g_hash_table_lookup(keywords, tokens[0]);
 797                 if (val != NULL)
 798                 {
 799                         uri = g_strdup_printf((gchar *)val, tokens[1]);
 800                         webkit_web_view_load_uri(web_view, uri);
 801                         g_free(uri);
 802                         ret = TRUE;
 803                 }
 804         }
 805         g_strfreev(tokens);
 806
 807         return ret;
 808 }
 809
 810 gboolean
 811 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 812 {
 813         gchar *uri = NULL;
 814
 815         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 816         if (uri)
 817         {
 818                 g_strstrip(uri);
 819                 client_new(uri);
 820                 g_free(uri);
 821         }
 822         return TRUE;
 823 }
 824
 825 void
 826 search(gpointer data, gint direction)
 827 {
 828         struct Client *c = (struct Client *)data;
 829         WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 830         WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 831
 832         if (search_text == NULL)
 833                 return;
 834
 835         switch (direction)
 836         {
 837                 case 0:
 838                         webkit_find_controller_search(fc, search_text,
 839                                                       WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 840                                                       WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 841                                                       G_MAXUINT);
 842                         break;
 843                 case 1:
 844                         webkit_find_controller_search_next(fc);
 845                         break;
 846                 case -1:
 847                         webkit_find_controller_search_previous(fc);
 848                         break;
 849         }
 850 }
 851
 852 Window
 853 tabbed_launch(void)
 854 {
 855         gint tabbed_stdout;
 856         GIOChannel *tabbed_stdout_channel;
 857         GError *err = NULL;
 858         gchar *output = NULL;
 859         char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 860         Window plug_into;
 861
 862         if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 863                                       NULL, NULL, NULL, &tabbed_stdout, NULL,
 864                                       &err))
 865         {
 866                 fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 867                 g_error_free(err);
 868                 return 0;
 869         }
 870
 871         tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 872         if (tabbed_stdout_channel == NULL)
 873         {
 874                 fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 875                 return 0;
 876         }
 877         g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 878         g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 879         if (output == NULL)
 880         {
 881                 fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 882                 return 0;
 883         }
 884         g_strstrip(output);
 885         plug_into = strtol(output, NULL, 16);
 886         g_free(output);
 887         if (plug_into == 0)
 888                 fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
 889         return plug_into;
 890 }
 891
 892 void
 893 trust_user_certs(WebKitWebContext *wc)
 894 {
 895         GTlsCertificate *cert;
 896         const gchar *basedir, *file, *absfile;
 897         GDir *dir;
 898
 899         basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
 900         dir = g_dir_open(basedir, 0, NULL);
 901         if (dir != NULL)
 902         {
 903                 file = g_dir_read_name(dir);
 904                 while (file != NULL)
 905                 {
 906                         absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
 907                                                    file, NULL);
 908                         cert = g_tls_certificate_new_from_file(absfile, NULL);
 909                         if (cert == NULL)
 910                                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
 911                         else
 912                                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
 913                         file = g_dir_read_name(dir);
 914                 }
 915                 g_dir_close(dir);
 916         }
 917 }
 918
 919
 920 int
 921 main(int argc, char **argv)
 922 {
 923         int opt, i;
 924
 925         gtk_init(&argc, &argv);
 926
 927         grab_environment_configuration();
 928
 929         while ((opt = getopt(argc, argv, "e:CT")) != -1)
 930         {
 931                 switch (opt)
 932                 {
 933                         case 'e':
 934                                 embed = atol(optarg);
 935                                 tabbed_automagic = FALSE;
 936                                 break;
 937                         case 'C':
 938                                 cooperative_instances = FALSE;
 939                                 break;
 940                         case 'T':
 941                                 tabbed_automagic = FALSE;
 942                                 break;
 943                         default:
 944                                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
 945                                 exit(EXIT_FAILURE);
 946                 }
 947         }
 948
 949         keywords_load();
 950         if (cooperative_instances)
 951                 cooperation_setup();
 952         downloadmanager_setup();
 953
 954         if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 955                 embed = tabbed_launch();
 956
 957         if (!cooperative_instances || cooperative_alone)
 958                 webkit_web_context_set_web_extensions_directory(webkit_web_context_get_default(),
 959                                                                 web_extensions_dir);
 960
 961         if (optind >= argc)
 962                 client_new(home_uri);
 963         else
 964         {
 965                 for (i = optind; i < argc; i++)
 966                         client_new(argv[i]);
 967         }
 968
 969         if (!cooperative_instances || cooperative_alone)
 970                 gtk_main();
 971         exit(EXIT_SUCCESS);
 972 }