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
  83
  84 void
  85 client_destroy(GtkWidget *obj, gpointer data)
  86 {
  87     struct Client *c = (struct Client *)data;
  88
  89     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
  90                                          changed_load_progress, c);
  91
  92     free(c);
  93     clients--;
  94
  95     if (clients == 0)
  96         gtk_main_quit();
  97 }
  98
  99 gboolean
 100 client_destroy_request(WebKitWebView *web_view, gpointer data)
 101 {
 102     struct Client *c = (struct Client *)data;
 103
 104     gtk_widget_destroy(c->win);
 105
 106     return TRUE;
 107 }
 108
 109 WebKitWebView *
 110 client_new(const gchar *uri)
 111 {
 112     struct Client *c;
 113     WebKitWebContext *wc;
 114     gchar *f;
 115
 116     if (uri != NULL && cooperative_instances && !cooperative_alone)
 117     {
 118         write(cooperative_pipe_fp, uri, strlen(uri));
 119         write(cooperative_pipe_fp, "\n", 1);
 120         return NULL;
 121     }
 122
 123     c = malloc(sizeof(struct Client));
 124     if (!c)
 125     {
 126         fprintf(stderr, __NAME__": fatal: malloc failed\n");
 127         exit(EXIT_FAILURE);
 128     }
 129
 130     c->hover_uri = NULL;
 131     c->win = NULL;
 132     if (embed != 0)
 133     {
 134         c->win = gtk_plug_new(embed);
 135         if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 136         {
 137             fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 138             gtk_widget_destroy(c->win);
 139             c->win = NULL;
 140             embed = 0;
 141         }
 142     }
 143
 144     if (c->win == NULL)
 145     {
 146         c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 147         gtk_window_set_wmclass(GTK_WINDOW(c->win), __NAME__, __NAME_CAPITALIZED__);
 148     }
 149
 150     gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 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->location = gtk_entry_new();
 200     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 201                      G_CALLBACK(key_location), c);
 202
 203     /* XXX Progress bars don't work/look as intended anymore. Level bars
 204      * are a dirty workaround (kind of). */
 205     c->progress = gtk_level_bar_new();
 206     gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 207     gtk_widget_set_size_request(c->progress, 100, -1);
 208
 209     c->top_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 210     gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 211     gtk_box_pack_start(GTK_BOX(c->top_box), c->progress, FALSE, FALSE, 0);
 212
 213     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 214     gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 0);
 215     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 216
 217     gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 218
 219     gtk_widget_grab_focus(c->web_view);
 220     gtk_widget_show_all(c->win);
 221
 222     if (uri != NULL)
 223     {
 224         f = ensure_uri_scheme(uri);
 225         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 226         g_free(f);
 227     }
 228
 229     clients++;
 230
 231     return WEBKIT_WEB_VIEW(c->web_view);
 232 }
 233
 234 WebKitWebView *
 235 client_new_request(WebKitWebView *web_view,
 236                    WebKitNavigationAction *navigation_action, gpointer data)
 237 {
 238     return client_new(NULL);
 239 }
 240
 241 void
 242 cooperation_setup(void)
 243 {
 244     GIOChannel *towatch;
 245     gchar *fifofilename, *fifopath;
 246
 247     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 248     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 249     g_free(fifofilename);
 250
 251     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 252         mkfifo(fifopath, 0600);
 253
 254     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 255     if (!cooperative_pipe_fp)
 256     {
 257         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 258     }
 259     else
 260     {
 261         if (write(cooperative_pipe_fp, "", 0) == -1)
 262         {
 263             /* Could not do an empty write to the FIFO which means there's
 264              * no one listening. */
 265             close(cooperative_pipe_fp);
 266             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 267             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 268         }
 269         else
 270             cooperative_alone = FALSE;
 271     }
 272
 273     g_free(fifopath);
 274 }
 275
 276 void
 277 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 278 {
 279     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 280     WebKitURIResponse *resp;
 281     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 282     gdouble p, size_mb;
 283     const gchar *uri;
 284     gchar *t, *filename, *base;
 285
 286     p = webkit_download_get_estimated_progress(download) * 100;
 287     resp = webkit_download_get_response(download);
 288     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 289
 290     uri = webkit_download_get_destination(download);
 291     filename = g_filename_from_uri(uri, NULL, NULL);
 292     if (filename == NULL)
 293     {
 294         /* This really should not happen because WebKit uses that URI to
 295          * write to a file... */
 296         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 297         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 298                             webkit_uri_response_get_uri(resp), p, size_mb);
 299     }
 300     else
 301     {
 302         base = g_path_get_basename(filename);
 303         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 304         g_free(filename);
 305         g_free(base);
 306     }
 307     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 308     g_free(t);
 309 }
 310
 311 void
 312 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 313 {
 314     struct Client *c = (struct Client *)data;
 315     gdouble p;
 316
 317     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 318     gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), p);
 319 }
 320
 321 void
 322 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 323 {
 324     const gchar *t;
 325     struct Client *c = (struct Client *)data;
 326
 327     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 328     gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 329 }
 330
 331 void
 332 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 333 {
 334     const gchar *t;
 335     struct Client *c = (struct Client *)data;
 336
 337     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 338     gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 339 }
 340
 341 gboolean
 342 crashed_web_view(WebKitWebView *web_view, gpointer data)
 343 {
 344     fprintf(stderr, __NAME__": WebView crashed!\n");
 345     if (crash_autoreload_delay >= 1)
 346     {
 347         fprintf(stderr, __NAME__": Reloading WebView in %d seconds.\n",
 348                 crash_autoreload_delay);
 349         g_timeout_add_seconds(crash_autoreload_delay, crashed_web_view_reload,
 350                               web_view);
 351     }
 352
 353     return TRUE;
 354 }
 355
 356 gboolean
 357 crashed_web_view_reload(gpointer data)
 358 {
 359     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(data));
 360
 361     return G_SOURCE_REMOVE;
 362 }
 363
 364 gboolean
 365 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 366               WebKitPolicyDecisionType type, gpointer data)
 367 {
 368     WebKitResponsePolicyDecision *r;
 369
 370     switch (type)
 371     {
 372         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 373             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 374             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 375                 webkit_policy_decision_download(decision);
 376             else
 377                 webkit_policy_decision_use(decision);
 378             break;
 379         default:
 380             /* Use whatever default there is. */
 381             return FALSE;
 382     }
 383     return TRUE;
 384 }
 385
 386 void
 387 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 388                       gpointer data)
 389 {
 390     g_signal_connect(G_OBJECT(download), "decide-destination",
 391                      G_CALLBACK(download_handle), data);
 392 }
 393
 394 gboolean
 395 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 396 {
 397     gchar *sug_clean, *path, *path2 = NULL, *uri;
 398     GtkToolItem *tb;
 399     int suffix = 1;
 400     size_t i;
 401
 402     sug_clean = g_strdup(suggested_filename);
 403     for (i = 0; i < strlen(sug_clean); i++)
 404         if (sug_clean[i] == G_DIR_SEPARATOR)
 405             sug_clean[i] = '_';
 406
 407     path = g_build_filename(download_dir, sug_clean, 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), sug_clean);
 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(sug_clean);
 443     g_free(path);
 444     g_free(path2);
 445
 446     /* Propagate -- to whom it may concern. */
 447     return FALSE;
 448 }
 449
 450 void
 451 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 452 {
 453     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 454
 455     webkit_download_cancel(download);
 456     g_object_unref(download);
 457
 458     gtk_widget_destroy(GTK_WIDGET(tb));
 459 }
 460
 461 void
 462 downloadmanager_setup(void)
 463 {
 464     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 465     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 466     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 467     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 468     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 469                      G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 470     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 471                      G_CALLBACK(key_downloadmanager), NULL);
 472
 473     dm.toolbar = gtk_toolbar_new();
 474     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 475                                    GTK_ORIENTATION_VERTICAL);
 476     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 477     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 478
 479     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 480     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 481                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 482     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 483
 484     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 485 }
 486
 487 gchar *
 488 ensure_uri_scheme(const gchar *t)
 489 {
 490     gchar *f;
 491
 492     f = g_ascii_strdown(t, -1);
 493     if (!g_str_has_prefix(f, "http:") &&
 494         !g_str_has_prefix(f, "https:") &&
 495         !g_str_has_prefix(f, "file:") &&
 496         !g_str_has_prefix(f, "about:"))
 497     {
 498         g_free(f);
 499         f = g_strdup_printf("http://%s", t);
 500         return f;
 501     }
 502     else
 503         return g_strdup(t);
 504 }
 505
 506 void
 507 grab_environment_configuration(void)
 508 {
 509     const gchar *e;
 510
 511     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 512     if (e != NULL)
 513         accepted_language[0] = g_strdup(e);
 514
 515     e = g_getenv(__NAME_UPPERCASE__"_CRASH_AUTORELOAD_DELAY");
 516     if (e != NULL)
 517         crash_autoreload_delay = atoi(e);
 518
 519     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 520     if (e != NULL)
 521         download_dir = g_strdup(e);
 522
 523     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 524     if (e != NULL)
 525         fifo_suffix = g_strdup(e);
 526
 527     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 528     if (e != NULL)
 529         home_uri = g_strdup(e);
 530
 531     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 532     if (e != NULL)
 533         user_agent = g_strdup(e);
 534
 535     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 536     if (e != NULL)
 537         global_zoom = atof(e);
 538 }
 539
 540 void
 541 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 542                gpointer data)
 543 {
 544     struct Client *c = (struct Client *)data;
 545
 546     if (!gtk_widget_is_focus(c->location))
 547     {
 548         if (webkit_hit_test_result_context_is_link(ht))
 549         {
 550             gtk_entry_set_text(GTK_ENTRY(c->location),
 551                                webkit_hit_test_result_get_link_uri(ht));
 552
 553             if (c->hover_uri != NULL)
 554                 g_free(c->hover_uri);
 555             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 556         }
 557         else
 558         {
 559             gtk_entry_set_text(GTK_ENTRY(c->location),
 560                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 561
 562             if (c->hover_uri != NULL)
 563                 g_free(c->hover_uri);
 564             c->hover_uri = NULL;
 565         }
 566     }
 567 }
 568
 569 gboolean
 570 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 571 {
 572     if (event->type == GDK_KEY_PRESS)
 573     {
 574         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 575         {
 576             switch (((GdkEventKey *)event)->keyval)
 577             {
 578                 case GDK_KEY_d:  /* close window (left hand) */
 579                     gtk_widget_hide(dm.win);
 580                     return TRUE;
 581             }
 582         }
 583     }
 584
 585     return FALSE;
 586 }
 587
 588 gboolean
 589 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 590 {
 591     struct Client *c = (struct Client *)data;
 592     const gchar *t;
 593     gchar *f;
 594     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 595
 596     if (event->type == GDK_KEY_PRESS)
 597     {
 598         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 599         {
 600             switch (((GdkEventKey *)event)->keyval)
 601             {
 602                 case GDK_KEY_q:  /* close window (left hand) */
 603                     gtk_widget_destroy(c->win);
 604                     return TRUE;
 605                 case GDK_KEY_d:  /* download manager (left hand) */
 606                     gtk_widget_show_all(dm.win);
 607                     return TRUE;
 608                 case GDK_KEY_r:  /* reload (left hand) */
 609                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 610                                                         c->web_view));
 611                     return TRUE;
 612                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 613                     gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 614                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 615                     return TRUE;
 616                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 617                     trust_user_certs(wc);
 618                     return TRUE;
 619             }
 620         }
 621         else
 622         {
 623             switch (((GdkEventKey *)event)->keyval)
 624             {
 625                 case GDK_KEY_KP_Enter:
 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     gchar *c;
 924     int opt, i;
 925
 926     gtk_init(&argc, &argv);
 927
 928     grab_environment_configuration();
 929
 930     while ((opt = getopt(argc, argv, "e:CT")) != -1)
 931     {
 932         switch (opt)
 933         {
 934             case 'e':
 935                 embed = atol(optarg);
 936                 tabbed_automagic = FALSE;
 937                 break;
 938             case 'C':
 939                 cooperative_instances = FALSE;
 940                 break;
 941             case 'T':
 942                 tabbed_automagic = FALSE;
 943                 break;
 944             default:
 945                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
 946                 exit(EXIT_FAILURE);
 947         }
 948     }
 949
 950     keywords_load();
 951     if (cooperative_instances)
 952         cooperation_setup();
 953     downloadmanager_setup();
 954
 955     if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 956         embed = tabbed_launch();
 957
 958     if (!cooperative_instances || cooperative_alone)
 959     {
 960         c = g_build_filename(g_get_user_data_dir(), __NAME__, "web_extensions",
 961                              NULL);
 962         webkit_web_context_set_web_extensions_directory(
 963             webkit_web_context_get_default(), c
 964         );
 965     }
 966
 967     if (optind >= argc)
 968         client_new(home_uri);
 969     else
 970     {
 971         for (i = optind; i < argc; i++)
 972             client_new(argv[i]);
 973     }
 974
 975     if (!cooperative_instances || cooperative_alone)
 976         gtk_main();
 977     exit(EXIT_SUCCESS);
 978 }