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 #if 0
  16 static void adblock(WebKitWebView *, WebKitWebFrame *, WebKitWebResource *,
  17                     WebKitNetworkRequest *, WebKitNetworkResponse *, gpointer);
  18 static void adblock_load(void);
  19 #endif
  20 static void client_destroy(GtkWidget *, gpointer);
  21 static gboolean client_destroy_request(WebKitWebView *, gpointer);
  22 static WebKitWebView *client_new(const gchar *);
  23 static WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  24                                          gpointer);
  25 static void cooperation_setup(void);
  26 static void changed_download_progress(GObject *, GParamSpec *, gpointer);
  27 static void changed_load_progress(GObject *, GParamSpec *, gpointer);
  28 static void changed_title(GObject *, GParamSpec *, gpointer);
  29 static void changed_uri(GObject *, GParamSpec *, gpointer);
  30 static gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  31                               WebKitPolicyDecisionType, gpointer);
  32 static gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  33 static void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
  34 static gboolean download_reset_indicator(gpointer);
  35 static void downloadmanager_cancel(GtkToolButton *, gpointer data);
  36 static void downloadmanager_setup(void);
  37 static gchar *ensure_uri_scheme(const gchar *);
  38 static void grab_environment_configuration(void);
  39 static void hover_web_view(WebKitWebView *, gchar *, gchar *, gpointer);
  40 static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  41 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  42 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  43 static void keywords_load(void);
  44 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  45 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  46 static void search(gpointer, gint);
  47 static Window tabbed_launch(void);
  48 static void usage(void);
  49
  50
  51 struct Client
  52 {
  53         GtkWidget *location;
  54         GtkWidget *progress;
  55         GtkWidget *scroll;
  56         GtkWidget *status;
  57         GtkWidget *top_box;
  58         GtkWidget *vbox;
  59         GtkWidget *web_view;
  60         GtkWidget *win;
  61 };
  62
  63 struct DownloadManager
  64 {
  65         GtkWidget *scroll;
  66         GtkWidget *toolbar;
  67         GtkWidget *win;
  68 } dm;
  69
  70
  71 static gchar *accepted_language = "en-US";
  72 static GSList *adblock_patterns = NULL;
  73 static gint clients = 0;
  74 static gboolean cooperative_alone = TRUE;
  75 static gboolean cooperative_instances = TRUE;
  76 static int cooperative_pipe_fp = 0;
  77 static gchar *download_dir = "/tmp";
  78 static gint downloads_indicated = 0;
  79 static Window embed = 0;
  80 static gchar *fifo_suffix = "main";
  81 static gdouble global_zoom = 1.0;
  82 static gchar *home_uri = "about:blank";
  83 static GHashTable *keywords = NULL;
  84 static gboolean language_is_set = FALSE;
  85 static gchar *search_text = NULL;
  86 static gboolean show_all_requests = FALSE;
  87 static gboolean tabbed_automagic = TRUE;
  88 static gchar *user_agent = "Mozilla/5.0 (X11; U; Unix; en-US) "
  89                            "AppleWebKit/537.15 (KHTML, like Gecko) "
  90                            "Chrome/24.0.1295.0 "
  91                            "Safari/537.15 "__NAME_CAPITALIZED__"/git";
  92
  93
  94 #if 0
  95 void
  96 adblock(WebKitWebView *web_view, WebKitWebFrame *frame,
  97         WebKitWebResource *resource, WebKitNetworkRequest *request,
  98         WebKitNetworkResponse *response, gpointer data)
  99 {
 100         GSList *it = adblock_patterns;
 101         const gchar *uri;
 102
 103         uri = webkit_network_request_get_uri(request);
 104         if (show_all_requests)
 105                 fprintf(stderr, "   -> %s\n", uri);
 106
 107         while (it)
 108         {
 109                 if (g_regex_match((GRegex *)(it->data), uri, 0, NULL))
 110                 {
 111                         webkit_network_request_set_uri(request, "about:blank");
 112                         if (show_all_requests)
 113                                 fprintf(stderr, "            BLOCKED!\n");
 114                         return;
 115                 }
 116                 it = g_slist_next(it);
 117         }
 118 }
 119
 120 void
 121 adblock_load(void)
 122 {
 123         GRegex *re = NULL;
 124         GError *err = NULL;
 125         GIOChannel *channel = NULL;
 126         gchar *path = NULL, *buf = NULL;
 127
 128         path = g_build_filename(g_get_user_config_dir(), __NAME__, "adblock.black",
 129                                 NULL);
 130         channel = g_io_channel_new_file(path, "r", &err);
 131         if (channel != NULL)
 132         {
 133                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 134                        == G_IO_STATUS_NORMAL)
 135                 {
 136                         g_strstrip(buf);
 137                         if (buf[0] != '#')
 138                         {
 139                                 re = g_regex_new(buf,
 140                                                  G_REGEX_CASELESS | G_REGEX_OPTIMIZE,
 141                                                  G_REGEX_MATCH_PARTIAL, &err);
 142                                 if (err != NULL)
 143                                 {
 144                                         fprintf(stderr, __NAME__": Could not compile regex: %s\n", buf);
 145                                         g_error_free(err);
 146                                         err = NULL;
 147                                 }
 148                                 else
 149                                         adblock_patterns = g_slist_append(adblock_patterns, re);
 150                         }
 151                         g_free(buf);
 152                 }
 153                 g_io_channel_shutdown(channel, FALSE, NULL);
 154         }
 155         g_free(path);
 156 }
 157 #endif
 158
 159 void
 160 client_destroy(GtkWidget *obj, gpointer data)
 161 {
 162         struct Client *c = (struct Client *)data;
 163
 164         g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
 165                                              changed_load_progress, c);
 166
 167         free(c);
 168         clients--;
 169
 170         if (clients == 0)
 171                 gtk_main_quit();
 172 }
 173
 174 gboolean
 175 client_destroy_request(WebKitWebView *web_view, gpointer data)
 176 {
 177         struct Client *c = (struct Client *)data;
 178
 179         gtk_widget_destroy(c->win);
 180
 181         return TRUE;
 182 }
 183
 184 WebKitWebView *
 185 client_new(const gchar *uri)
 186 {
 187         struct Client *c;
 188         WebKitWebContext *wc;
 189         gchar *f;
 190
 191         if (uri != NULL && cooperative_instances && !cooperative_alone)
 192         {
 193                 write(cooperative_pipe_fp, uri, strlen(uri));
 194                 write(cooperative_pipe_fp, "\n", 1);
 195                 return NULL;
 196         }
 197
 198         c = malloc(sizeof(struct Client));
 199         if (!c)
 200         {
 201                 fprintf(stderr, __NAME__": fatal: malloc failed\n");
 202                 exit(EXIT_FAILURE);
 203         }
 204
 205         c->win = NULL;
 206         if (embed != 0)
 207         {
 208                 c->win = gtk_plug_new(embed);
 209                 if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 210                 {
 211                         fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 212                         gtk_widget_destroy(c->win);
 213                         c->win = NULL;
 214                         embed = 0;
 215                 }
 216         }
 217
 218         if (c->win == NULL)
 219         {
 220                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 221                 gtk_window_set_wmclass(GTK_WINDOW(c->win), __NAME__, __NAME_CAPITALIZED__);
 222         }
 223
 224         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 225         gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 226
 227         c->web_view = webkit_web_view_new();
 228         wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 229
 230         /* XXX I really do want to enable this option. However, I get
 231          * reproducible crashes with it enabled. I've seen bug reports from
 232          * 2010 about this... WebKit crashes in libpixman, so maybe it's not
 233          * a WebKit issue.
 234          * Yeah, well. I'll turn it off for now. */
 235         /*webkit_web_view_set_full_content_zoom(WEBKIT_WEB_VIEW(c->web_view), TRUE);*/
 236
 237         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 238         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 239                          G_CALLBACK(changed_title), c);
 240         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 241                          G_CALLBACK(changed_uri), c);
 242         g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 243                          G_CALLBACK(changed_load_progress), c);
 244         g_signal_connect(G_OBJECT(c->web_view), "create",
 245                          G_CALLBACK(client_new_request), NULL);
 246         g_signal_connect(G_OBJECT(c->web_view), "close",
 247                          G_CALLBACK(client_destroy_request), c);
 248         g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 249                          G_CALLBACK(decide_policy), NULL);
 250         g_signal_connect(G_OBJECT(wc), "download-started",
 251                          G_CALLBACK(download_handle_start), c);
 252         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 253                          G_CALLBACK(key_web_view), c);
 254         g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 255                          G_CALLBACK(key_web_view), c);
 256         g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 257                          G_CALLBACK(key_web_view), c);
 258         g_signal_connect(G_OBJECT(c->web_view), "hovering-over-link",
 259                          G_CALLBACK(hover_web_view), c);
 260         /*
 261         g_signal_connect(G_OBJECT(c->web_view), "resource-request-starting",
 262                          G_CALLBACK(adblock), NULL);
 263                                          */
 264
 265         if (!language_is_set)
 266         {
 267                 /* XXX make this pretty */
 268                 const gchar *languages[2];
 269                 languages[0] = accepted_language;
 270                 languages[1] = NULL;
 271                 webkit_web_context_set_preferred_languages(wc, languages);
 272                 language_is_set = TRUE;
 273         }
 274
 275         /*
 276         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 277                      "user-agent", user_agent, NULL);
 278                                  */
 279
 280         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 281
 282         gtk_container_add(GTK_CONTAINER(c->scroll), c->web_view);
 283
 284         c->location = gtk_entry_new();
 285         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 286                          G_CALLBACK(key_location), c);
 287
 288         /* XXX Progress bars don't work/look as intended anymore. Level bars
 289          * are a dirty workaround (kind of). */
 290         c->progress = gtk_level_bar_new();
 291         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 292         gtk_widget_set_size_request(c->progress, 100, -1);
 293
 294         c->status = gtk_level_bar_new();
 295         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->status), 0);
 296         gtk_widget_set_size_request(c->status, 20, -1);
 297
 298         c->top_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 299         gtk_box_pack_start(GTK_BOX(c->top_box), c->status, FALSE, FALSE, 2);
 300         gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 301         gtk_box_pack_start(GTK_BOX(c->top_box), c->progress, FALSE, FALSE, 2);
 302
 303         c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 304         gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 2);
 305         gtk_box_pack_start(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 2);
 306
 307         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 308
 309         gtk_widget_grab_focus(c->web_view);
 310         gtk_widget_show_all(c->win);
 311
 312         if (uri != NULL)
 313         {
 314                 f = ensure_uri_scheme(uri);
 315                 if (show_all_requests)
 316                         fprintf(stderr, "====> %s\n", uri);
 317                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 318                 g_free(f);
 319         }
 320
 321         clients++;
 322
 323         return WEBKIT_WEB_VIEW(c->web_view);
 324 }
 325
 326 WebKitWebView *
 327 client_new_request(WebKitWebView *web_view,
 328                    WebKitNavigationAction *navigation_action, gpointer data)
 329 {
 330         return client_new(NULL);
 331 }
 332
 333 void
 334 cooperation_setup(void)
 335 {
 336         GIOChannel *towatch;
 337         gchar *fifofilename, *fifopath;
 338
 339         fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 340         fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 341         g_free(fifofilename);
 342
 343         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 344                 mkfifo(fifopath, 0600);
 345
 346         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 347         if (!cooperative_pipe_fp)
 348         {
 349                 fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 350         }
 351         else
 352         {
 353                 if (write(cooperative_pipe_fp, "", 0) == -1)
 354                 {
 355                         /* Could not do an empty write to the FIFO which means there's
 356                          * no one listening. */
 357                         close(cooperative_pipe_fp);
 358                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 359                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 360                 }
 361                 else
 362                         cooperative_alone = FALSE;
 363         }
 364
 365         g_free(fifopath);
 366 }
 367
 368 void
 369 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 370 {
 371         WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 372         WebKitURIResponse *resp;
 373         GtkToolItem *tb = GTK_TOOL_ITEM(data);
 374         gdouble p, size_mb;
 375         const gchar *uri;
 376         gchar *t, *filename, *base;
 377
 378         p = webkit_download_get_estimated_progress(download) * 100;
 379         resp = webkit_download_get_response(download);
 380         size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 381
 382         uri = webkit_download_get_destination(download);
 383         filename = g_filename_from_uri(uri, NULL, NULL);
 384         if (filename == NULL)
 385         {
 386                 /* This really should not happen because WebKit uses that URI to
 387                  * write to a file... */
 388                 fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 389                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 390                                     webkit_uri_response_get_uri(resp), p, size_mb);
 391         }
 392         else
 393         {
 394                 base = g_path_get_basename(filename);
 395                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 396                 g_free(filename);
 397                 g_free(base);
 398         }
 399         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 400         g_free(t);
 401 }
 402
 403 void
 404 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 405 {
 406         struct Client *c = (struct Client *)data;
 407         gdouble p;
 408
 409         p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 410         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), p);
 411 }
 412
 413 void
 414 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 415 {
 416         const gchar *t;
 417         struct Client *c = (struct Client *)data;
 418
 419         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 420         gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 421 }
 422
 423 void
 424 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 425 {
 426         const gchar *t;
 427         struct Client *c = (struct Client *)data;
 428
 429         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 430         gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 431 }
 432
 433 gboolean
 434 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 435               WebKitPolicyDecisionType type, gpointer data)
 436 {
 437         WebKitResponsePolicyDecision *r;
 438
 439         switch (type)
 440         {
 441                 case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 442                         r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 443                         if (!webkit_response_policy_decision_is_mime_type_supported(r))
 444                                 webkit_policy_decision_download(decision);
 445                         else
 446                                 webkit_policy_decision_use(decision);
 447                         break;
 448                 default:
 449                         /* Use whatever default there is. */
 450                         return FALSE;
 451         }
 452         return TRUE;
 453 }
 454
 455 void
 456 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 457                       gpointer data)
 458 {
 459         g_signal_connect(G_OBJECT(download), "decide-destination",
 460                          G_CALLBACK(download_handle), data);
 461 }
 462
 463 gboolean
 464 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 465 {
 466         struct Client *c = (struct Client *)data;
 467         gchar *path, *path2 = NULL, *uri;
 468         GtkToolItem *tb;
 469         int suffix = 1;
 470
 471         path = g_build_filename(download_dir, suggested_filename, NULL);
 472         path2 = g_strdup(path);
 473         while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 474         {
 475                 g_free(path2);
 476
 477                 path2 = g_strdup_printf("%s.%d", path, suffix);
 478                 suffix++;
 479         }
 480
 481         if (suffix == 1000)
 482         {
 483                 fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 484                 webkit_download_cancel(download);
 485         }
 486         else
 487         {
 488                 uri = g_filename_to_uri(path2, NULL, NULL);
 489                 webkit_download_set_destination(download, uri);
 490                 g_free(uri);
 491
 492                 gtk_level_bar_set_value(GTK_LEVEL_BAR(c->status), 1);
 493                 downloads_indicated++;
 494                 g_timeout_add(500, download_reset_indicator, c);
 495
 496                 tb = gtk_tool_button_new_from_stock(GTK_STOCK_DELETE);
 497                 gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), suggested_filename);
 498                 gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 499                 gtk_widget_show_all(dm.toolbar);
 500
 501                 g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 502                                  G_CALLBACK(changed_download_progress), tb);
 503
 504                 g_object_ref(download);
 505                 g_signal_connect(G_OBJECT(tb), "clicked",
 506                                  G_CALLBACK(downloadmanager_cancel), download);
 507         }
 508
 509         g_free(path);
 510         g_free(path2);
 511
 512         /* Propagate -- to whom it may concern. */
 513         return FALSE;
 514 }
 515
 516 gboolean
 517 download_reset_indicator(gpointer data)
 518 {
 519         struct Client *c = (struct Client *)data;
 520
 521         downloads_indicated--;
 522         if (downloads_indicated == 0)
 523                 gtk_level_bar_set_value(GTK_LEVEL_BAR(c->status), 0);
 524
 525         return FALSE;
 526 }
 527
 528 void
 529 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 530 {
 531         WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 532
 533         webkit_download_cancel(download);
 534         g_object_unref(download);
 535
 536         gtk_widget_destroy(GTK_WIDGET(tb));
 537 }
 538
 539 void
 540 downloadmanager_setup(void)
 541 {
 542         dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 543         gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 544         gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 545         gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 546         g_signal_connect(G_OBJECT(dm.win), "delete-event",
 547                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 548         g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 549                          G_CALLBACK(key_downloadmanager), NULL);
 550
 551         dm.toolbar = gtk_toolbar_new();
 552         gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 553                                        GTK_ORIENTATION_VERTICAL);
 554         gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 555         gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 556
 557         dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 558         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 559                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 560         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(dm.scroll),
 561                                               dm.toolbar);
 562
 563         gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 564 }
 565
 566 gchar *
 567 ensure_uri_scheme(const gchar *t)
 568 {
 569         gchar *f;
 570
 571         f = g_ascii_strdown(t, -1);
 572         if (!g_str_has_prefix(f, "http:") &&
 573             !g_str_has_prefix(f, "https:") &&
 574             !g_str_has_prefix(f, "file:") &&
 575             !g_str_has_prefix(f, "about:"))
 576         {
 577                 g_free(f);
 578                 f = g_strdup_printf("http://%s", t);
 579                 return f;
 580         }
 581         else
 582                 return g_strdup(t);
 583 }
 584
 585 void
 586 grab_environment_configuration(void)
 587 {
 588         const gchar *e;
 589
 590         e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 591         if (e != NULL)
 592                 accepted_language = g_strdup(e);
 593
 594         e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 595         if (e != NULL)
 596                 download_dir = g_strdup(e);
 597
 598         e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 599         if (e != NULL)
 600                 fifo_suffix = g_strdup(e);
 601
 602         e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 603         if (e != NULL)
 604                 home_uri = g_strdup(e);
 605
 606         e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 607         if (e != NULL)
 608                 user_agent = g_strdup(e);
 609
 610         e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 611         if (e != NULL)
 612                 global_zoom = atof(e);
 613 }
 614
 615 void
 616 hover_web_view(WebKitWebView *web_view, gchar *title, gchar *uri, gpointer data)
 617 {
 618         struct Client *c = (struct Client *)data;
 619
 620         if (!gtk_widget_is_focus(c->location))
 621         {
 622                 if (uri == NULL)
 623                         gtk_entry_set_text(GTK_ENTRY(c->location),
 624                                            webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 625                 else
 626                         gtk_entry_set_text(GTK_ENTRY(c->location), uri);
 627         }
 628 }
 629
 630 gboolean
 631 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 632 {
 633         if (event->type == GDK_KEY_PRESS)
 634         {
 635                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 636                 {
 637                         switch (((GdkEventKey *)event)->keyval)
 638                         {
 639                                 case GDK_KEY_d:  /* close window (left hand) */
 640                                         gtk_widget_hide(dm.win);
 641                                         return TRUE;
 642                         }
 643                 }
 644         }
 645
 646         return FALSE;
 647 }
 648
 649 gboolean
 650 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 651 {
 652         struct Client *c = (struct Client *)data;
 653         const gchar *t;
 654         gchar *f;
 655
 656         if (event->type == GDK_KEY_PRESS)
 657         {
 658                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 659                 {
 660                         switch (((GdkEventKey *)event)->keyval)
 661                         {
 662                                 case GDK_KEY_q:  /* close window (left hand) */
 663                                         gtk_widget_destroy(c->win);
 664                                         return TRUE;
 665                                 case GDK_KEY_d:  /* download manager (left hand) */
 666                                         gtk_widget_show_all(dm.win);
 667                                         return TRUE;
 668                                 case GDK_KEY_r:  /* reload (left hand) */
 669                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 670                                                                             c->web_view));
 671                                         return TRUE;
 672                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 673                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 674                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 675                                         return TRUE;
 676                         }
 677                 }
 678                 else
 679                 {
 680                         switch (((GdkEventKey *)event)->keyval)
 681                         {
 682                                 case GDK_KEY_Return:
 683                                         gtk_widget_grab_focus(c->web_view);
 684                                         t = gtk_entry_get_text(GTK_ENTRY(c->location));
 685                                         if (t != NULL && t[0] == '/')
 686                                         {
 687                                                 if (search_text != NULL)
 688                                                         g_free(search_text);
 689                                                 search_text = g_strdup(t + 1);  /* XXX whacky */
 690                                                 search(c, 1);
 691                                         }
 692                                         else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 693                                         {
 694                                                 f = ensure_uri_scheme(t);
 695                                                 if (show_all_requests)
 696                                                         fprintf(stderr, "====> %s\n", f);
 697                                                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 698                                                 g_free(f);
 699                                         }
 700                                         return TRUE;
 701                                 case GDK_KEY_Escape:
 702                                         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 703                                         gtk_entry_set_text(GTK_ENTRY(c->location),
 704                                                            (t == NULL ? __NAME__ : t));
 705                                         return TRUE;
 706                         }
 707                 }
 708         }
 709
 710         return FALSE;
 711 }
 712
 713 gboolean
 714 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 715 {
 716         struct Client *c = (struct Client *)data;
 717         WebKitHitTestResultContext ht_context;
 718         WebKitHitTestResult *ht_result = NULL;
 719         gchar *ht_uri = NULL, *f;
 720         gfloat z;
 721         gboolean b;
 722
 723         if (event->type == GDK_KEY_PRESS)
 724         {
 725                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 726                 {
 727                         switch (((GdkEventKey *)event)->keyval)
 728                         {
 729                                 case GDK_KEY_q:  /* close window (left hand) */
 730                                         gtk_widget_destroy(c->win);
 731                                         return TRUE;
 732                                 case GDK_KEY_w:  /* home (left hand) */
 733                                         f = ensure_uri_scheme(home_uri);
 734                                         if (show_all_requests)
 735                                                 fprintf(stderr, "====> %s\n", f);
 736                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 737                                         g_free(f);
 738                                         return TRUE;
 739                                 case GDK_KEY_e:  /* new tab (left hand) */
 740                                         f = ensure_uri_scheme(home_uri);
 741                                         if (show_all_requests)
 742                                                 fprintf(stderr, "====> %s\n", f);
 743                                         client_new(f);
 744                                         g_free(f);
 745                                         return TRUE;
 746                                 case GDK_KEY_r:  /* reload (left hand) */
 747                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 748                                                                             c->web_view));
 749                                         return TRUE;
 750 #if 0
 751                                 case GDK_KEY_s:  /* toggle source view (left hand) */
 752                                         b = webkit_web_view_get_view_source_mode(WEBKIT_WEB_VIEW(
 753                                                                                  c->web_view));
 754                                         b = !b;
 755                                         webkit_web_view_set_view_source_mode(WEBKIT_WEB_VIEW(
 756                                                                              c->web_view), b);
 757                                         webkit_web_view_reload(WEBKIT_WEB_VIEW(c->web_view));
 758                                         return TRUE;
 759 #endif
 760                                 case GDK_KEY_d:  /* download manager (left hand) */
 761                                         gtk_widget_show_all(dm.win);
 762                                         return TRUE;
 763                                 case GDK_KEY_2:  /* search forward (left hand) */
 764                                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 765                                         search(c, 1);
 766                                         return TRUE;
 767                                 case GDK_KEY_3:  /* search backward (left hand) */
 768                                         search(c, -1);
 769                                         return TRUE;
 770                                 case GDK_KEY_l:  /* location (BOTH hands) */
 771                                         gtk_widget_grab_focus(c->location);
 772                                         return TRUE;
 773                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 774                                         gtk_widget_grab_focus(c->location);
 775                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 776                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 777                                         return TRUE;
 778                         }
 779                 }
 780                 else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 781                 {
 782                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 783                         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 784                 }
 785         }
 786         else if (event->type == GDK_BUTTON_PRESS)
 787         {
 788                 switch (((GdkEventButton *)event)->button)
 789                 {
 790 #if 0
 791                         case 2:
 792                                 ht_result = webkit_web_view_get_hit_test_result(
 793                                                                    WEBKIT_WEB_VIEW(c->web_view),
 794                                                                        (GdkEventButton *)event);
 795                                 g_object_get(ht_result, "context", &ht_context, NULL);
 796                                 if (ht_context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK)
 797                                 {
 798                                         g_object_get(ht_result, "link-uri", &ht_uri, NULL);
 799                                         client_new(ht_uri);
 800                                         g_object_unref(ht_result);
 801                                         return TRUE;
 802                                 }
 803                                 g_object_unref(ht_result);
 804                                 break;
 805 #endif
 806                         case 8:
 807                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 808                                 return TRUE;
 809                         case 9:
 810                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 811                                 return TRUE;
 812                 }
 813         }
 814         else if (event->type == GDK_SCROLL)
 815         {
 816                 if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 817                     ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 818                 {
 819                         switch (((GdkEventScroll *)event)->direction)
 820                         {
 821                                 case GDK_SCROLL_UP:
 822                                         z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 823                                         z += 0.1;
 824                                         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 825                                         return TRUE;
 826                                 case GDK_SCROLL_DOWN:
 827                                         z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 828                                         z -= 0.1;
 829                                         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 830                                         return TRUE;
 831                                 default:
 832                                         break;
 833                         }
 834                 }
 835         }
 836
 837         return FALSE;
 838 }
 839
 840 void
 841 keywords_load(void)
 842 {
 843         GError *err = NULL;
 844         GIOChannel *channel = NULL;
 845         gchar *path = NULL, *buf = NULL;
 846         gchar **tokens = NULL;
 847
 848         keywords = g_hash_table_new(g_str_hash, g_str_equal);
 849
 850         path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 851                                 NULL);
 852         channel = g_io_channel_new_file(path, "r", &err);
 853         if (channel != NULL)
 854         {
 855                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 856                        == G_IO_STATUS_NORMAL)
 857                 {
 858                         g_strstrip(buf);
 859                         if (buf[0] != '#')
 860                         {
 861                                 tokens = g_strsplit(buf, " ", 2);
 862                                 if (tokens[0] != NULL && tokens[1] != NULL)
 863                                         g_hash_table_insert(keywords, g_strdup(tokens[0]),
 864                                                             g_strdup(tokens[1]));
 865                                 g_strfreev(tokens);
 866                         }
 867                         g_free(buf);
 868                 }
 869                 g_io_channel_shutdown(channel, FALSE, NULL);
 870         }
 871         g_free(path);
 872 }
 873
 874 gboolean
 875 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 876 {
 877         gboolean ret = FALSE;
 878         gchar **tokens = NULL;
 879         gchar *val = NULL, *uri = NULL;
 880
 881         tokens = g_strsplit(t, " ", 2);
 882         if (tokens[0] != NULL && tokens[1] != NULL)
 883         {
 884                 val = g_hash_table_lookup(keywords, tokens[0]);
 885                 if (val != NULL)
 886                 {
 887                         uri = g_strdup_printf((gchar *)val, tokens[1]);
 888                         if (show_all_requests)
 889                                 fprintf(stderr, "====> %s\n", uri);
 890                         webkit_web_view_load_uri(web_view, uri);
 891                         g_free(uri);
 892                         ret = TRUE;
 893                 }
 894         }
 895         g_strfreev(tokens);
 896
 897         return ret;
 898 }
 899
 900 gboolean
 901 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 902 {
 903         gchar *uri = NULL;
 904
 905         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 906         if (uri)
 907         {
 908                 g_strstrip(uri);
 909                 client_new(uri);
 910                 g_free(uri);
 911         }
 912         return TRUE;
 913 }
 914
 915 void
 916 search(gpointer data, gint direction)
 917 {
 918         struct Client *c = (struct Client *)data;
 919
 920         if (search_text == NULL)
 921                 return;
 922
 923         /*
 924         webkit_web_view_search_text(WEBKIT_WEB_VIEW(c->web_view), search_text,
 925                                     FALSE, direction == 1, TRUE);
 926                                                                 */
 927 }
 928
 929 Window
 930 tabbed_launch(void)
 931 {
 932         gint tabbed_stdout;
 933         GIOChannel *tabbed_stdout_channel;
 934         GError *err = NULL;
 935         gchar *output = NULL;
 936         char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 937         Window plug_into;
 938
 939         if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 940                                       NULL, NULL, NULL, &tabbed_stdout, NULL,
 941                                       &err))
 942         {
 943                 fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 944                 g_error_free(err);
 945                 return 0;
 946         }
 947
 948         tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 949         if (tabbed_stdout_channel == NULL)
 950         {
 951                 fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 952                 return 0;
 953         }
 954         g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 955         g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 956         if (output == NULL)
 957         {
 958                 fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 959                 return 0;
 960         }
 961         g_strstrip(output);
 962         plug_into = strtol(output, NULL, 16);
 963         g_free(output);
 964         if (plug_into == 0)
 965                 fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
 966         return plug_into;
 967 }
 968
 969 void
 970 usage(void)
 971 {
 972         fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
 973         exit(EXIT_FAILURE);
 974 }
 975
 976
 977 int
 978 main(int argc, char **argv)
 979 {
 980         int opt, i;
 981
 982         gtk_init(&argc, &argv);
 983
 984         grab_environment_configuration();
 985
 986         while ((opt = getopt(argc, argv, "e:rCT")) != -1)
 987         {
 988                 switch (opt)
 989                 {
 990                         case 'e':
 991                                 embed = atol(optarg);
 992                                 tabbed_automagic = FALSE;
 993                                 break;
 994                         case 'r':
 995                                 show_all_requests = TRUE;
 996                                 break;
 997                         case 'C':
 998                                 cooperative_instances = FALSE;
 999                                 break;
1000                         case 'T':
1001                                 tabbed_automagic = FALSE;
1002                                 break;
1003                         default:
1004                                 usage();
1005                 }
1006         }
1007
1008         /*adblock_load();*/
1009         keywords_load();
1010         cooperation_setup();
1011         downloadmanager_setup();
1012
1013         if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
1014                 embed = tabbed_launch();
1015
1016         if (optind >= argc)
1017                 client_new(home_uri);
1018         else
1019         {
1020                 for (i = optind; i < argc; i++)
1021                         client_new(argv[i]);
1022         }
1023
1024         if (!cooperative_instances || cooperative_alone)
1025                 gtk_main();
1026         exit(EXIT_SUCCESS);
1027 }