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, *u;
 325     struct Client *c = (struct Client *)data;
 326
 327     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 328     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 329
 330     u = u == NULL ? __NAME__ : u;
 331     u = u[0] == 0 ? __NAME__ : u;
 332
 333     t = t == NULL ? u : t;
 334     t = t[0] == 0 ? u : t;
 335
 336     gtk_window_set_title(GTK_WINDOW(c->win), t);
 337 }
 338
 339 void
 340 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 341 {
 342     const gchar *t;
 343     struct Client *c = (struct Client *)data;
 344
 345     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 346     gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 347 }
 348
 349 gboolean
 350 crashed_web_view(WebKitWebView *web_view, gpointer data)
 351 {
 352     fprintf(stderr, __NAME__": WebView crashed!\n");
 353     if (crash_autoreload_delay >= 1)
 354     {
 355         fprintf(stderr, __NAME__": Reloading WebView in %d seconds.\n",
 356                 crash_autoreload_delay);
 357         g_timeout_add_seconds(crash_autoreload_delay, crashed_web_view_reload,
 358                               web_view);
 359     }
 360
 361     return TRUE;
 362 }
 363
 364 gboolean
 365 crashed_web_view_reload(gpointer data)
 366 {
 367     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(data));
 368
 369     return G_SOURCE_REMOVE;
 370 }
 371
 372 gboolean
 373 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 374               WebKitPolicyDecisionType type, gpointer data)
 375 {
 376     WebKitResponsePolicyDecision *r;
 377
 378     switch (type)
 379     {
 380         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 381             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 382             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 383                 webkit_policy_decision_download(decision);
 384             else
 385                 webkit_policy_decision_use(decision);
 386             break;
 387         default:
 388             /* Use whatever default there is. */
 389             return FALSE;
 390     }
 391     return TRUE;
 392 }
 393
 394 void
 395 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 396                       gpointer data)
 397 {
 398     g_signal_connect(G_OBJECT(download), "decide-destination",
 399                      G_CALLBACK(download_handle), data);
 400 }
 401
 402 gboolean
 403 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 404 {
 405     gchar *sug_clean, *path, *path2 = NULL, *uri;
 406     GtkToolItem *tb;
 407     int suffix = 1;
 408     size_t i;
 409
 410     sug_clean = g_strdup(suggested_filename);
 411     for (i = 0; i < strlen(sug_clean); i++)
 412         if (sug_clean[i] == G_DIR_SEPARATOR)
 413             sug_clean[i] = '_';
 414
 415     path = g_build_filename(download_dir, sug_clean, NULL);
 416     path2 = g_strdup(path);
 417     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 418     {
 419         g_free(path2);
 420
 421         path2 = g_strdup_printf("%s.%d", path, suffix);
 422         suffix++;
 423     }
 424
 425     if (suffix == 1000)
 426     {
 427         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 428         webkit_download_cancel(download);
 429     }
 430     else
 431     {
 432         uri = g_filename_to_uri(path2, NULL, NULL);
 433         webkit_download_set_destination(download, uri);
 434         g_free(uri);
 435
 436         tb = gtk_tool_button_new(NULL, NULL);
 437         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 438         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 439         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 440         gtk_widget_show_all(dm.win);
 441
 442         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 443                          G_CALLBACK(changed_download_progress), tb);
 444
 445         g_object_ref(download);
 446         g_signal_connect(G_OBJECT(tb), "clicked",
 447                          G_CALLBACK(downloadmanager_cancel), download);
 448     }
 449
 450     g_free(sug_clean);
 451     g_free(path);
 452     g_free(path2);
 453
 454     /* Propagate -- to whom it may concern. */
 455     return FALSE;
 456 }
 457
 458 void
 459 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 460 {
 461     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 462
 463     webkit_download_cancel(download);
 464     g_object_unref(download);
 465
 466     gtk_widget_destroy(GTK_WIDGET(tb));
 467 }
 468
 469 void
 470 downloadmanager_setup(void)
 471 {
 472     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 473     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 474     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 475     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 476     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 477                      G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 478     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 479                      G_CALLBACK(key_downloadmanager), NULL);
 480
 481     dm.toolbar = gtk_toolbar_new();
 482     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 483                                    GTK_ORIENTATION_VERTICAL);
 484     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 485     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 486
 487     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 488     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 489                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 490     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 491
 492     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 493 }
 494
 495 gchar *
 496 ensure_uri_scheme(const gchar *t)
 497 {
 498     gchar *f;
 499
 500     f = g_ascii_strdown(t, -1);
 501     if (!g_str_has_prefix(f, "http:") &&
 502         !g_str_has_prefix(f, "https:") &&
 503         !g_str_has_prefix(f, "file:") &&
 504         !g_str_has_prefix(f, "about:"))
 505     {
 506         g_free(f);
 507         f = g_strdup_printf("http://%s", t);
 508         return f;
 509     }
 510     else
 511         return g_strdup(t);
 512 }
 513
 514 void
 515 grab_environment_configuration(void)
 516 {
 517     const gchar *e;
 518
 519     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 520     if (e != NULL)
 521         accepted_language[0] = g_strdup(e);
 522
 523     e = g_getenv(__NAME_UPPERCASE__"_CRASH_AUTORELOAD_DELAY");
 524     if (e != NULL)
 525         crash_autoreload_delay = atoi(e);
 526
 527     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 528     if (e != NULL)
 529         download_dir = g_strdup(e);
 530
 531     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 532     if (e != NULL)
 533         fifo_suffix = g_strdup(e);
 534
 535     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 536     if (e != NULL)
 537         home_uri = g_strdup(e);
 538
 539     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 540     if (e != NULL)
 541         user_agent = g_strdup(e);
 542
 543     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 544     if (e != NULL)
 545         global_zoom = atof(e);
 546 }
 547
 548 void
 549 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 550                gpointer data)
 551 {
 552     struct Client *c = (struct Client *)data;
 553
 554     if (!gtk_widget_is_focus(c->location))
 555     {
 556         if (webkit_hit_test_result_context_is_link(ht))
 557         {
 558             gtk_entry_set_text(GTK_ENTRY(c->location),
 559                                webkit_hit_test_result_get_link_uri(ht));
 560
 561             if (c->hover_uri != NULL)
 562                 g_free(c->hover_uri);
 563             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 564         }
 565         else
 566         {
 567             gtk_entry_set_text(GTK_ENTRY(c->location),
 568                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 569
 570             if (c->hover_uri != NULL)
 571                 g_free(c->hover_uri);
 572             c->hover_uri = NULL;
 573         }
 574     }
 575 }
 576
 577 gboolean
 578 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 579 {
 580     if (event->type == GDK_KEY_PRESS)
 581     {
 582         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 583         {
 584             switch (((GdkEventKey *)event)->keyval)
 585             {
 586                 case GDK_KEY_d:  /* close window (left hand) */
 587                     gtk_widget_hide(dm.win);
 588                     return TRUE;
 589             }
 590         }
 591     }
 592
 593     return FALSE;
 594 }
 595
 596 gboolean
 597 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 598 {
 599     struct Client *c = (struct Client *)data;
 600     const gchar *t;
 601     gchar *f;
 602     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 603
 604     if (event->type == GDK_KEY_PRESS)
 605     {
 606         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 607         {
 608             switch (((GdkEventKey *)event)->keyval)
 609             {
 610                 case GDK_KEY_q:  /* close window (left hand) */
 611                     gtk_widget_destroy(c->win);
 612                     return TRUE;
 613                 case GDK_KEY_d:  /* download manager (left hand) */
 614                     gtk_widget_show_all(dm.win);
 615                     return TRUE;
 616                 case GDK_KEY_r:  /* reload (left hand) */
 617                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 618                                                         c->web_view));
 619                     return TRUE;
 620                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 621                     gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 622                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 623                     return TRUE;
 624                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 625                     trust_user_certs(wc);
 626                     return TRUE;
 627             }
 628         }
 629         else
 630         {
 631             switch (((GdkEventKey *)event)->keyval)
 632             {
 633                 case GDK_KEY_KP_Enter:
 634                 case GDK_KEY_Return:
 635                     gtk_widget_grab_focus(c->web_view);
 636                     t = gtk_entry_get_text(GTK_ENTRY(c->location));
 637                     if (t != NULL && t[0] == '/')
 638                     {
 639                         if (search_text != NULL)
 640                             g_free(search_text);
 641                         search_text = g_strdup(t + 1);  /* XXX whacky */
 642                         search(c, 0);
 643                     }
 644                     else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 645                     {
 646                         f = ensure_uri_scheme(t);
 647                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 648                         g_free(f);
 649                     }
 650                     return TRUE;
 651                 case GDK_KEY_Escape:
 652                     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 653                     gtk_entry_set_text(GTK_ENTRY(c->location),
 654                                        (t == NULL ? __NAME__ : t));
 655                     return TRUE;
 656             }
 657         }
 658     }
 659
 660     return FALSE;
 661 }
 662
 663 gboolean
 664 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 665 {
 666     struct Client *c = (struct Client *)data;
 667     gdouble dx, dy;
 668     gchar *f;
 669     gfloat z;
 670     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 671
 672     if (event->type == GDK_KEY_PRESS)
 673     {
 674         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 675         {
 676             switch (((GdkEventKey *)event)->keyval)
 677             {
 678                 case GDK_KEY_q:  /* close window (left hand) */
 679                     gtk_widget_destroy(c->win);
 680                     return TRUE;
 681                 case GDK_KEY_w:  /* home (left hand) */
 682                     f = ensure_uri_scheme(home_uri);
 683                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 684                     g_free(f);
 685                     return TRUE;
 686                 case GDK_KEY_e:  /* new tab (left hand) */
 687                     f = ensure_uri_scheme(home_uri);
 688                     client_new(f);
 689                     g_free(f);
 690                     return TRUE;
 691                 case GDK_KEY_r:  /* reload (left hand) */
 692                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 693                                                         c->web_view));
 694                     return TRUE;
 695                 case GDK_KEY_d:  /* download manager (left hand) */
 696                     gtk_widget_show_all(dm.win);
 697                     return TRUE;
 698                 case GDK_KEY_2:  /* search forward (left hand) */
 699                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 700                     search(c, 1);
 701                     return TRUE;
 702                 case GDK_KEY_3:  /* search backward (left hand) */
 703                     search(c, -1);
 704                     return TRUE;
 705                 case GDK_KEY_l:  /* location (BOTH hands) */
 706                     gtk_widget_grab_focus(c->location);
 707                     return TRUE;
 708                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 709                     gtk_widget_grab_focus(c->location);
 710                     gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 711                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 712                     return TRUE;
 713                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 714                     trust_user_certs(wc);
 715                     return TRUE;
 716             }
 717         }
 718         else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 719         {
 720             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 721             gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 722         }
 723     }
 724     else if (event->type == GDK_BUTTON_PRESS)
 725     {
 726         switch (((GdkEventButton *)event)->button)
 727         {
 728             case 2:
 729                 if (c->hover_uri != NULL)
 730                 {
 731                     client_new(c->hover_uri);
 732                     return TRUE;
 733                 }
 734                 break;
 735             case 8:
 736                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 737                 return TRUE;
 738             case 9:
 739                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 740                 return TRUE;
 741         }
 742     }
 743     else if (event->type == GDK_SCROLL)
 744     {
 745         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 746             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 747         {
 748             gdk_event_get_scroll_deltas(event, &dx, &dy);
 749             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 750             z += -dy * 0.1;
 751             z = dx != 0 ? global_zoom : z;
 752             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 753             return TRUE;
 754         }
 755     }
 756
 757     return FALSE;
 758 }
 759
 760 void
 761 keywords_load(void)
 762 {
 763     GError *err = NULL;
 764     GIOChannel *channel = NULL;
 765     gchar *path = NULL, *buf = NULL;
 766     gchar **tokens = NULL;
 767
 768     keywords = g_hash_table_new(g_str_hash, g_str_equal);
 769
 770     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 771                             NULL);
 772     channel = g_io_channel_new_file(path, "r", &err);
 773     if (channel != NULL)
 774     {
 775         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 776                == G_IO_STATUS_NORMAL)
 777         {
 778             g_strstrip(buf);
 779             if (buf[0] != '#')
 780             {
 781                 tokens = g_strsplit(buf, " ", 2);
 782                 if (tokens[0] != NULL && tokens[1] != NULL)
 783                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
 784                                         g_strdup(tokens[1]));
 785                 g_strfreev(tokens);
 786             }
 787             g_free(buf);
 788         }
 789         g_io_channel_shutdown(channel, FALSE, NULL);
 790     }
 791     g_free(path);
 792 }
 793
 794 gboolean
 795 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 796 {
 797     gboolean ret = FALSE;
 798     gchar **tokens = NULL;
 799     gchar *val = NULL, *uri = NULL;
 800
 801     tokens = g_strsplit(t, " ", 2);
 802     if (tokens[0] != NULL && tokens[1] != NULL)
 803     {
 804         val = g_hash_table_lookup(keywords, tokens[0]);
 805         if (val != NULL)
 806         {
 807             uri = g_strdup_printf((gchar *)val, tokens[1]);
 808             webkit_web_view_load_uri(web_view, uri);
 809             g_free(uri);
 810             ret = TRUE;
 811         }
 812     }
 813     g_strfreev(tokens);
 814
 815     return ret;
 816 }
 817
 818 gboolean
 819 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 820 {
 821     gchar *uri = NULL;
 822
 823     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 824     if (uri)
 825     {
 826         g_strstrip(uri);
 827         client_new(uri);
 828         g_free(uri);
 829     }
 830     return TRUE;
 831 }
 832
 833 void
 834 search(gpointer data, gint direction)
 835 {
 836     struct Client *c = (struct Client *)data;
 837     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
 838     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
 839
 840     if (search_text == NULL)
 841         return;
 842
 843     switch (direction)
 844     {
 845         case 0:
 846             webkit_find_controller_search(fc, search_text,
 847                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
 848                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
 849                                           G_MAXUINT);
 850             break;
 851         case 1:
 852             webkit_find_controller_search_next(fc);
 853             break;
 854         case -1:
 855             webkit_find_controller_search_previous(fc);
 856             break;
 857     }
 858 }
 859
 860 Window
 861 tabbed_launch(void)
 862 {
 863     gint tabbed_stdout;
 864     GIOChannel *tabbed_stdout_channel;
 865     GError *err = NULL;
 866     gchar *output = NULL;
 867     char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 868     Window plug_into;
 869
 870     if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 871                                   NULL, NULL, NULL, &tabbed_stdout, NULL,
 872                                   &err))
 873     {
 874         fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 875         g_error_free(err);
 876         return 0;
 877     }
 878
 879     tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 880     if (tabbed_stdout_channel == NULL)
 881     {
 882         fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 883         return 0;
 884     }
 885     g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 886     g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 887     if (output == NULL)
 888     {
 889         fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 890         return 0;
 891     }
 892     g_strstrip(output);
 893     plug_into = strtol(output, NULL, 16);
 894     g_free(output);
 895     if (plug_into == 0)
 896         fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
 897     return plug_into;
 898 }
 899
 900 void
 901 trust_user_certs(WebKitWebContext *wc)
 902 {
 903     GTlsCertificate *cert;
 904     const gchar *basedir, *file, *absfile;
 905     GDir *dir;
 906
 907     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
 908     dir = g_dir_open(basedir, 0, NULL);
 909     if (dir != NULL)
 910     {
 911         file = g_dir_read_name(dir);
 912         while (file != NULL)
 913         {
 914             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
 915                                        file, NULL);
 916             cert = g_tls_certificate_new_from_file(absfile, NULL);
 917             if (cert == NULL)
 918                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
 919             else
 920                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
 921             file = g_dir_read_name(dir);
 922         }
 923         g_dir_close(dir);
 924     }
 925 }
 926
 927
 928 int
 929 main(int argc, char **argv)
 930 {
 931     gchar *c;
 932     int opt, i;
 933
 934     gtk_init(&argc, &argv);
 935
 936     grab_environment_configuration();
 937
 938     while ((opt = getopt(argc, argv, "e:CT")) != -1)
 939     {
 940         switch (opt)
 941         {
 942             case 'e':
 943                 embed = atol(optarg);
 944                 tabbed_automagic = FALSE;
 945                 break;
 946             case 'C':
 947                 cooperative_instances = FALSE;
 948                 break;
 949             case 'T':
 950                 tabbed_automagic = FALSE;
 951                 break;
 952             default:
 953                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
 954                 exit(EXIT_FAILURE);
 955         }
 956     }
 957
 958     keywords_load();
 959     if (cooperative_instances)
 960         cooperation_setup();
 961     downloadmanager_setup();
 962
 963     if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 964         embed = tabbed_launch();
 965
 966     if (!cooperative_instances || cooperative_alone)
 967     {
 968         c = g_build_filename(g_get_user_data_dir(), __NAME__, "web_extensions",
 969                              NULL);
 970         webkit_web_context_set_web_extensions_directory(
 971             webkit_web_context_get_default(), c
 972         );
 973     }
 974
 975     if (optind >= argc)
 976         client_new(home_uri);
 977     else
 978     {
 979         for (i = optind; i < argc; i++)
 980             client_new(argv[i]);
 981     }
 982
 983     if (!cooperative_instances || cooperative_alone)
 984         gtk_main();
 985     exit(EXIT_SUCCESS);
 986 }