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 <webkit/webkit.h>
  13
  14
  15 static void adblock(WebKitWebView *, WebKitWebFrame *, WebKitWebResource *,
  16                     WebKitNetworkRequest *, WebKitNetworkResponse *, gpointer);
  17 static void adblock_load(void);
  18 static void client_destroy(GtkWidget *, gpointer);
  19 static gboolean client_destroy_request(WebKitWebView *, gpointer);
  20 static WebKitWebView *client_new(const gchar *);
  21 static WebKitWebView *client_new_request(WebKitWebView *, WebKitWebFrame *,
  22                                          gpointer);
  23 static void cooperation_setup(void);
  24 static void changed_download_progress(GObject *, GParamSpec *, gpointer);
  25 static void changed_load_progress(GObject *, GParamSpec *, gpointer);
  26 static void changed_title(GObject *, GParamSpec *, gpointer);
  27 static void changed_uri(GObject *, GParamSpec *, gpointer);
  28 static gboolean download_handle(WebKitWebView *, WebKitDownload *, gpointer);
  29 static gboolean download_reset_indicator(gpointer);
  30 static gboolean download_request(WebKitWebView *, WebKitWebFrame *,
  31                                  WebKitNetworkRequest *, gchar *,
  32                                  WebKitWebPolicyDecision *, gpointer);
  33 static void downloadmanager_cancel(GtkToolButton *, gpointer data);
  34 static void downloadmanager_setup(void);
  35 static gchar *ensure_uri_scheme(const gchar *);
  36 static void grab_environment_configuration(void);
  37 static void hover_web_view(WebKitWebView *, gchar *, gchar *, gpointer);
  38 static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  39 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  40 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  41 static void keywords_load(void);
  42 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  43 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  44 static void search(gpointer, gint);
  45 static Window tabbed_launch(void);
  46 static void usage(void);
  47
  48
  49 struct Client
  50 {
  51         GtkWidget *location;
  52         GtkWidget *progress;
  53         GtkWidget *scroll;
  54         GtkWidget *status;
  55         GtkWidget *top_box;
  56         GtkWidget *vbox;
  57         GtkWidget *web_view;
  58         GtkWidget *win;
  59 };
  60
  61 struct DownloadManager
  62 {
  63         GtkWidget *scroll;
  64         GtkWidget *toolbar;
  65         GtkWidget *win;
  66 } dm;
  67
  68
  69 static gchar *accepted_language = "en-US";
  70 static GSList *adblock_patterns = NULL;
  71 static gint clients = 0;
  72 static gboolean cooperative_alone = TRUE;
  73 static gboolean cooperative_instances = TRUE;
  74 static int cooperative_pipe_fp = 0;
  75 static gchar *download_dir = "/tmp";
  76 static gint downloads_indicated = 0;
  77 static Window embed = 0;
  78 static gchar *fifo_suffix = "main";
  79 static gdouble global_zoom = 1.0;
  80 static gchar *home_uri = "about:blank";
  81 static GHashTable *keywords = NULL;
  82 static gboolean language_is_set = FALSE;
  83 static gchar *search_text = NULL;
  84 static gboolean show_all_requests = FALSE;
  85 static gboolean tabbed_automagic = TRUE;
  86 static gchar *user_agent = "Mozilla/5.0 (X11; U; Unix; en-US) "
  87                            "AppleWebKit/537.15 (KHTML, like Gecko) "
  88                            "Chrome/24.0.1295.0 "
  89                            "Safari/537.15 "__NAME_CAPITALIZED__"/git";
  90
  91
  92 void
  93 adblock(WebKitWebView *web_view, WebKitWebFrame *frame,
  94         WebKitWebResource *resource, WebKitNetworkRequest *request,
  95         WebKitNetworkResponse *response, gpointer data)
  96 {
  97         GSList *it = adblock_patterns;
  98         const gchar *uri;
  99
 100         uri = webkit_network_request_get_uri(request);
 101         if (show_all_requests)
 102                 fprintf(stderr, "   -> %s\n", uri);
 103
 104         while (it)
 105         {
 106                 if (g_regex_match((GRegex *)(it->data), uri, 0, NULL))
 107                 {
 108                         webkit_network_request_set_uri(request, "about:blank");
 109                         if (show_all_requests)
 110                                 fprintf(stderr, "            BLOCKED!\n");
 111                         return;
 112                 }
 113                 it = g_slist_next(it);
 114         }
 115 }
 116
 117 void
 118 adblock_load(void)
 119 {
 120         GRegex *re = NULL;
 121         GError *err = NULL;
 122         GIOChannel *channel = NULL;
 123         gchar *path = NULL, *buf = NULL;
 124
 125         path = g_build_filename(g_get_user_config_dir(), __NAME__, "adblock.black",
 126                                 NULL);
 127         channel = g_io_channel_new_file(path, "r", &err);
 128         if (channel != NULL)
 129         {
 130                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 131                        == G_IO_STATUS_NORMAL)
 132                 {
 133                         g_strstrip(buf);
 134                         if (buf[0] != '#')
 135                         {
 136                                 re = g_regex_new(buf,
 137                                                  G_REGEX_CASELESS | G_REGEX_OPTIMIZE,
 138                                                  G_REGEX_MATCH_PARTIAL, &err);
 139                                 if (err != NULL)
 140                                 {
 141                                         fprintf(stderr, __NAME__": Could not compile regex: %s\n", buf);
 142                                         g_error_free(err);
 143                                         err = NULL;
 144                                 }
 145                                 else
 146                                         adblock_patterns = g_slist_append(adblock_patterns, re);
 147                         }
 148                         g_free(buf);
 149                 }
 150                 g_io_channel_shutdown(channel, FALSE, NULL);
 151         }
 152         g_free(path);
 153 }
 154
 155 void
 156 client_destroy(GtkWidget *obj, gpointer data)
 157 {
 158         struct Client *c = (struct Client *)data;
 159
 160         g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
 161                                              changed_load_progress, c);
 162
 163         free(c);
 164         clients--;
 165
 166         if (clients == 0)
 167                 gtk_main_quit();
 168 }
 169
 170 gboolean
 171 client_destroy_request(WebKitWebView *web_view, gpointer data)
 172 {
 173         struct Client *c = (struct Client *)data;
 174
 175         gtk_widget_destroy(c->win);
 176
 177         return TRUE;
 178 }
 179
 180 WebKitWebView *
 181 client_new(const gchar *uri)
 182 {
 183         struct Client *c;
 184         gchar *f;
 185
 186         if (uri != NULL && cooperative_instances && !cooperative_alone)
 187         {
 188                 write(cooperative_pipe_fp, uri, strlen(uri));
 189                 write(cooperative_pipe_fp, "\n", 1);
 190                 return NULL;
 191         }
 192
 193         c = malloc(sizeof(struct Client));
 194         if (!c)
 195         {
 196                 fprintf(stderr, __NAME__": fatal: malloc failed\n");
 197                 exit(EXIT_FAILURE);
 198         }
 199
 200         c->win = NULL;
 201         if (embed != 0)
 202         {
 203                 c->win = gtk_plug_new(embed);
 204                 if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 205                 {
 206                         fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 207                         gtk_widget_destroy(c->win);
 208                         c->win = NULL;
 209                         embed = 0;
 210                 }
 211         }
 212
 213         if (c->win == NULL)
 214         {
 215                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 216                 gtk_window_set_wmclass(GTK_WINDOW(c->win), __NAME__, __NAME_CAPITALIZED__);
 217         }
 218
 219         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 220         gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 221
 222         c->web_view = webkit_web_view_new();
 223
 224         /* XXX I really do want to enable this option. However, I get
 225          * reproducible crashes with it enabled. I've seen bug reports from
 226          * 2010 about this... WebKit crashes in libpixman, so maybe it's not
 227          * a WebKit issue.
 228          * Yeah, well. I'll turn it off for now. */
 229         /*webkit_web_view_set_full_content_zoom(WEBKIT_WEB_VIEW(c->web_view), TRUE);*/
 230
 231         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 232         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 233                          G_CALLBACK(changed_title), c);
 234         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 235                          G_CALLBACK(changed_uri), c);
 236         g_signal_connect(G_OBJECT(c->web_view), "notify::progress",
 237                          G_CALLBACK(changed_load_progress), c);
 238         g_signal_connect(G_OBJECT(c->web_view), "create-web-view",
 239                          G_CALLBACK(client_new_request), NULL);
 240         g_signal_connect(G_OBJECT(c->web_view), "close-web-view",
 241                          G_CALLBACK(client_destroy_request), c);
 242         g_signal_connect(G_OBJECT(c->web_view),
 243                          "mime-type-policy-decision-requested",
 244                          G_CALLBACK(download_request), NULL);
 245         g_signal_connect(G_OBJECT(c->web_view), "download-requested",
 246                          G_CALLBACK(download_handle), c);
 247         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 248                          G_CALLBACK(key_web_view), c);
 249         g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
 250                          G_CALLBACK(key_web_view), c);
 251         g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 252                          G_CALLBACK(key_web_view), c);
 253         g_signal_connect(G_OBJECT(c->web_view), "hovering-over-link",
 254                          G_CALLBACK(hover_web_view), c);
 255         g_signal_connect(G_OBJECT(c->web_view), "resource-request-starting",
 256                          G_CALLBACK(adblock), NULL);
 257
 258         if (!language_is_set)
 259         {
 260                 g_object_set(webkit_get_default_session(), "accept-language",
 261                              accepted_language, NULL);
 262                 language_is_set = TRUE;
 263         }
 264
 265         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 266                      "user-agent", user_agent, NULL);
 267
 268         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 269
 270         gtk_container_add(GTK_CONTAINER(c->scroll), c->web_view);
 271
 272         c->location = gtk_entry_new();
 273         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 274                          G_CALLBACK(key_location), c);
 275
 276         /* XXX Progress bars don't work/look as intended anymore. Level bars
 277          * are a dirty workaround (kind of). */
 278         c->progress = gtk_level_bar_new();
 279         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 280         gtk_widget_set_size_request(c->progress, 100, -1);
 281
 282         c->status = gtk_level_bar_new();
 283         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->status), 0);
 284         gtk_widget_set_size_request(c->status, 20, -1);
 285
 286         c->top_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 287         gtk_box_pack_start(GTK_BOX(c->top_box), c->status, FALSE, FALSE, 2);
 288         gtk_box_pack_start(GTK_BOX(c->top_box), c->location, TRUE, TRUE, 0);
 289         gtk_box_pack_start(GTK_BOX(c->top_box), c->progress, FALSE, FALSE, 2);
 290
 291         c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 292         gtk_box_pack_start(GTK_BOX(c->vbox), c->top_box, FALSE, FALSE, 2);
 293         gtk_box_pack_start(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 2);
 294
 295         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 296
 297         gtk_widget_grab_focus(c->web_view);
 298         gtk_widget_show_all(c->win);
 299
 300         if (uri != NULL)
 301         {
 302                 f = ensure_uri_scheme(uri);
 303                 if (show_all_requests)
 304                         fprintf(stderr, "====> %s\n", uri);
 305                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 306                 g_free(f);
 307         }
 308
 309         clients++;
 310
 311         return WEBKIT_WEB_VIEW(c->web_view);
 312 }
 313
 314 WebKitWebView *
 315 client_new_request(WebKitWebView *web_view, WebKitWebFrame *frame, gpointer data)
 316 {
 317         return client_new(NULL);
 318 }
 319
 320 void
 321 cooperation_setup(void)
 322 {
 323         GIOChannel *towatch;
 324         gchar *fifofilename, *fifopath;
 325
 326         fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 327         fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 328         g_free(fifofilename);
 329
 330         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 331                 mkfifo(fifopath, 0600);
 332
 333         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 334         if (!cooperative_pipe_fp)
 335         {
 336                 fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 337         }
 338         else
 339         {
 340                 if (write(cooperative_pipe_fp, "", 0) == -1)
 341                 {
 342                         /* Could not do an empty write to the FIFO which means there's
 343                          * no one listening. */
 344                         close(cooperative_pipe_fp);
 345                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 346                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 347                 }
 348                 else
 349                         cooperative_alone = FALSE;
 350         }
 351
 352         g_free(fifopath);
 353 }
 354
 355 void
 356 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 357 {
 358         WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 359         GtkToolItem *tb = GTK_TOOL_ITEM(data);
 360         gdouble p, size_mb;
 361         const gchar *uri;
 362         gchar *t, *filename, *base;
 363
 364         p = webkit_download_get_progress(download) * 100;
 365         size_mb = webkit_download_get_total_size(download) / 1e6;
 366
 367         uri = webkit_download_get_destination_uri(download);
 368         filename = g_filename_from_uri(uri, NULL, NULL);
 369         if (filename == NULL)
 370         {
 371                 /* This really should not happen because WebKit uses that URI to
 372                  * write to a file... */
 373                 fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 374                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 375                                     webkit_download_get_uri(download), p, size_mb);
 376         }
 377         else
 378         {
 379                 base = g_path_get_basename(filename);
 380                 t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 381                 g_free(filename);
 382                 g_free(base);
 383         }
 384         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 385         g_free(t);
 386 }
 387
 388 void
 389 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 390 {
 391         struct Client *c = (struct Client *)data;
 392         gdouble p;
 393
 394         p = webkit_web_view_get_progress(WEBKIT_WEB_VIEW(c->web_view));
 395         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), p);
 396 }
 397
 398 void
 399 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 400 {
 401         const gchar *t;
 402         struct Client *c = (struct Client *)data;
 403
 404         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 405         gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 406 }
 407
 408 void
 409 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 410 {
 411         const gchar *t;
 412         struct Client *c = (struct Client *)data;
 413
 414         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 415         gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 416 }
 417
 418 gboolean
 419 download_handle(WebKitWebView *web_view, WebKitDownload *download, gpointer data)
 420 {
 421         struct Client *c = (struct Client *)data;
 422         gchar *path, *path2 = NULL, *uri;
 423         GtkToolItem *tb;
 424         gboolean ret;
 425         int suffix = 1;
 426
 427         path = g_build_filename(download_dir,
 428                                 webkit_download_get_suggested_filename(download),
 429                                 NULL);
 430         path2 = g_strdup(path);
 431         while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 432         {
 433                 g_free(path2);
 434
 435                 path2 = g_strdup_printf("%s.%d", path, suffix);
 436                 suffix++;
 437         }
 438
 439         if (suffix == 1000)
 440         {
 441                 fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 442                 ret = FALSE;
 443         }
 444         else
 445         {
 446                 uri = g_filename_to_uri(path2, NULL, NULL);
 447                 webkit_download_set_destination_uri(download, uri);
 448                 ret = TRUE;
 449                 g_free(uri);
 450
 451                 gtk_level_bar_set_value(GTK_LEVEL_BAR(c->status), 1);
 452                 downloads_indicated++;
 453                 g_timeout_add(500, download_reset_indicator, c);
 454
 455                 tb = gtk_tool_button_new_from_stock(GTK_STOCK_DELETE);
 456                 gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb),
 457                                           webkit_download_get_suggested_filename(download));
 458                 gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 459                 gtk_widget_show_all(dm.toolbar);
 460
 461                 g_signal_connect(G_OBJECT(download), "notify::progress",
 462                                  G_CALLBACK(changed_download_progress), tb);
 463
 464                 g_object_ref(download);
 465                 g_signal_connect(G_OBJECT(tb), "clicked",
 466                                  G_CALLBACK(downloadmanager_cancel), download);
 467         }
 468
 469         g_free(path);
 470         g_free(path2);
 471
 472         return ret;
 473 }
 474
 475 gboolean
 476 download_reset_indicator(gpointer data)
 477 {
 478         struct Client *c = (struct Client *)data;
 479
 480         downloads_indicated--;
 481         if (downloads_indicated == 0)
 482                 gtk_level_bar_set_value(GTK_LEVEL_BAR(c->status), 0);
 483
 484         return FALSE;
 485 }
 486
 487 gboolean
 488 download_request(WebKitWebView *web_view, WebKitWebFrame *frame,
 489                  WebKitNetworkRequest *request, gchar *mime_type,
 490                  WebKitWebPolicyDecision *policy_decision, gpointer data)
 491 {
 492         if (!webkit_web_view_can_show_mime_type(web_view, mime_type))
 493         {
 494                 webkit_web_policy_decision_download(policy_decision);
 495                 return TRUE;
 496         }
 497         return FALSE;
 498 }
 499
 500 void
 501 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 502 {
 503         WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 504
 505         webkit_download_cancel(download);
 506         g_object_unref(download);
 507
 508         gtk_widget_destroy(GTK_WIDGET(tb));
 509 }
 510
 511 void
 512 downloadmanager_setup(void)
 513 {
 514         dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 515         gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 516         gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 517         gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 518         g_signal_connect(G_OBJECT(dm.win), "delete-event",
 519                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 520         g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 521                          G_CALLBACK(key_downloadmanager), NULL);
 522
 523         dm.toolbar = gtk_toolbar_new();
 524         gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 525                                        GTK_ORIENTATION_VERTICAL);
 526         gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 527         gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 528
 529         dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 530         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 531                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 532         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(dm.scroll),
 533                                               dm.toolbar);
 534
 535         gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 536 }
 537
 538 gchar *
 539 ensure_uri_scheme(const gchar *t)
 540 {
 541         gchar *f;
 542
 543         f = g_ascii_strdown(t, -1);
 544         if (!g_str_has_prefix(f, "http:") &&
 545             !g_str_has_prefix(f, "https:") &&
 546             !g_str_has_prefix(f, "file:") &&
 547             !g_str_has_prefix(f, "about:"))
 548         {
 549                 g_free(f);
 550                 f = g_strdup_printf("http://%s", t);
 551                 return f;
 552         }
 553         else
 554                 return g_strdup(t);
 555 }
 556
 557 void
 558 grab_environment_configuration(void)
 559 {
 560         const gchar *e;
 561
 562         e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 563         if (e != NULL)
 564                 accepted_language = g_strdup(e);
 565
 566         e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 567         if (e != NULL)
 568                 download_dir = g_strdup(e);
 569
 570         e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 571         if (e != NULL)
 572                 fifo_suffix = g_strdup(e);
 573
 574         e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 575         if (e != NULL)
 576                 home_uri = g_strdup(e);
 577
 578         e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 579         if (e != NULL)
 580                 user_agent = g_strdup(e);
 581
 582         e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 583         if (e != NULL)
 584                 global_zoom = atof(e);
 585 }
 586
 587 void
 588 hover_web_view(WebKitWebView *web_view, gchar *title, gchar *uri, gpointer data)
 589 {
 590         struct Client *c = (struct Client *)data;
 591
 592         if (!gtk_widget_is_focus(c->location))
 593         {
 594                 if (uri == NULL)
 595                         gtk_entry_set_text(GTK_ENTRY(c->location),
 596                                            webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 597                 else
 598                         gtk_entry_set_text(GTK_ENTRY(c->location), uri);
 599         }
 600 }
 601
 602 gboolean
 603 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 604 {
 605         if (event->type == GDK_KEY_PRESS)
 606         {
 607                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 608                 {
 609                         switch (((GdkEventKey *)event)->keyval)
 610                         {
 611                                 case GDK_KEY_d:  /* close window (left hand) */
 612                                         gtk_widget_hide(dm.win);
 613                                         return TRUE;
 614                         }
 615                 }
 616         }
 617
 618         return FALSE;
 619 }
 620
 621 gboolean
 622 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 623 {
 624         struct Client *c = (struct Client *)data;
 625         const gchar *t;
 626         gchar *f;
 627
 628         if (event->type == GDK_KEY_PRESS)
 629         {
 630                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 631                 {
 632                         switch (((GdkEventKey *)event)->keyval)
 633                         {
 634                                 case GDK_KEY_q:  /* close window (left hand) */
 635                                         gtk_widget_destroy(c->win);
 636                                         return TRUE;
 637                                 case GDK_KEY_d:  /* download manager (left hand) */
 638                                         gtk_widget_show_all(dm.win);
 639                                         return TRUE;
 640                                 case GDK_KEY_r:  /* reload (left hand) */
 641                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 642                                                                             c->web_view));
 643                                         return TRUE;
 644                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 645                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 646                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 647                                         return TRUE;
 648                         }
 649                 }
 650                 else
 651                 {
 652                         switch (((GdkEventKey *)event)->keyval)
 653                         {
 654                                 case GDK_KEY_Return:
 655                                         gtk_widget_grab_focus(c->web_view);
 656                                         t = gtk_entry_get_text(GTK_ENTRY(c->location));
 657                                         if (t != NULL && t[0] == '/')
 658                                         {
 659                                                 if (search_text != NULL)
 660                                                         g_free(search_text);
 661                                                 search_text = g_strdup(t + 1);  /* XXX whacky */
 662                                                 search(c, 1);
 663                                         }
 664                                         else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 665                                         {
 666                                                 f = ensure_uri_scheme(t);
 667                                                 if (show_all_requests)
 668                                                         fprintf(stderr, "====> %s\n", f);
 669                                                 webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 670                                                 g_free(f);
 671                                         }
 672                                         return TRUE;
 673                                 case GDK_KEY_Escape:
 674                                         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 675                                         gtk_entry_set_text(GTK_ENTRY(c->location),
 676                                                            (t == NULL ? __NAME__ : t));
 677                                         return TRUE;
 678                         }
 679                 }
 680         }
 681
 682         return FALSE;
 683 }
 684
 685 gboolean
 686 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 687 {
 688         struct Client *c = (struct Client *)data;
 689         WebKitHitTestResultContext ht_context;
 690         WebKitHitTestResult *ht_result = NULL;
 691         gchar *ht_uri = NULL, *f;
 692         gfloat z;
 693         gboolean b;
 694
 695         if (event->type == GDK_KEY_PRESS)
 696         {
 697                 if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 698                 {
 699                         switch (((GdkEventKey *)event)->keyval)
 700                         {
 701                                 case GDK_KEY_q:  /* close window (left hand) */
 702                                         gtk_widget_destroy(c->win);
 703                                         return TRUE;
 704                                 case GDK_KEY_w:  /* home (left hand) */
 705                                         f = ensure_uri_scheme(home_uri);
 706                                         if (show_all_requests)
 707                                                 fprintf(stderr, "====> %s\n", f);
 708                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 709                                         g_free(f);
 710                                         return TRUE;
 711                                 case GDK_KEY_e:  /* new tab (left hand) */
 712                                         f = ensure_uri_scheme(home_uri);
 713                                         if (show_all_requests)
 714                                                 fprintf(stderr, "====> %s\n", f);
 715                                         client_new(f);
 716                                         g_free(f);
 717                                         return TRUE;
 718                                 case GDK_KEY_r:  /* reload (left hand) */
 719                                         webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 720                                                                             c->web_view));
 721                                         return TRUE;
 722                                 case GDK_KEY_s:  /* toggle source view (left hand) */
 723                                         b = webkit_web_view_get_view_source_mode(WEBKIT_WEB_VIEW(
 724                                                                                  c->web_view));
 725                                         b = !b;
 726                                         webkit_web_view_set_view_source_mode(WEBKIT_WEB_VIEW(
 727                                                                              c->web_view), b);
 728                                         webkit_web_view_reload(WEBKIT_WEB_VIEW(c->web_view));
 729                                         return TRUE;
 730                                 case GDK_KEY_d:  /* download manager (left hand) */
 731                                         gtk_widget_show_all(dm.win);
 732                                         return TRUE;
 733                                 case GDK_KEY_2:  /* search forward (left hand) */
 734                                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 735                                         search(c, 1);
 736                                         return TRUE;
 737                                 case GDK_KEY_3:  /* search backward (left hand) */
 738                                         search(c, -1);
 739                                         return TRUE;
 740                                 case GDK_KEY_l:  /* location (BOTH hands) */
 741                                         gtk_widget_grab_focus(c->location);
 742                                         return TRUE;
 743                                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 744                                         gtk_widget_grab_focus(c->location);
 745                                         gtk_entry_set_text(GTK_ENTRY(c->location), "/");
 746                                         gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 747                                         return TRUE;
 748                         }
 749                 }
 750                 else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 751                 {
 752                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 753                         gtk_level_bar_set_value(GTK_LEVEL_BAR(c->progress), 0);
 754                 }
 755         }
 756         else if (event->type == GDK_BUTTON_PRESS)
 757         {
 758                 switch (((GdkEventButton *)event)->button)
 759                 {
 760                         case 2:
 761                                 ht_result = webkit_web_view_get_hit_test_result(
 762                                                                    WEBKIT_WEB_VIEW(c->web_view),
 763                                                                        (GdkEventButton *)event);
 764                                 g_object_get(ht_result, "context", &ht_context, NULL);
 765                                 if (ht_context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK)
 766                                 {
 767                                         g_object_get(ht_result, "link-uri", &ht_uri, NULL);
 768                                         client_new(ht_uri);
 769                                         g_object_unref(ht_result);
 770                                         return TRUE;
 771                                 }
 772                                 g_object_unref(ht_result);
 773                                 break;
 774                         case 8:
 775                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 776                                 return TRUE;
 777                         case 9:
 778                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 779                                 return TRUE;
 780                 }
 781         }
 782         else if (event->type == GDK_SCROLL)
 783         {
 784                 if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 785                     ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 786                 {
 787                         switch (((GdkEventScroll *)event)->direction)
 788                         {
 789                                 case GDK_SCROLL_UP:
 790                                         z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 791                                         z += 0.1;
 792                                         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 793                                         return TRUE;
 794                                 case GDK_SCROLL_DOWN:
 795                                         z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 796                                         z -= 0.1;
 797                                         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 798                                         return TRUE;
 799                                 default:
 800                                         break;
 801                         }
 802                 }
 803         }
 804
 805         return FALSE;
 806 }
 807
 808 void
 809 keywords_load(void)
 810 {
 811         GError *err = NULL;
 812         GIOChannel *channel = NULL;
 813         gchar *path = NULL, *buf = NULL;
 814         gchar **tokens = NULL;
 815
 816         keywords = g_hash_table_new(g_str_hash, g_str_equal);
 817
 818         path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
 819                                 NULL);
 820         channel = g_io_channel_new_file(path, "r", &err);
 821         if (channel != NULL)
 822         {
 823                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 824                        == G_IO_STATUS_NORMAL)
 825                 {
 826                         g_strstrip(buf);
 827                         if (buf[0] != '#')
 828                         {
 829                                 tokens = g_strsplit(buf, " ", 2);
 830                                 if (tokens[0] != NULL && tokens[1] != NULL)
 831                                         g_hash_table_insert(keywords, g_strdup(tokens[0]),
 832                                                             g_strdup(tokens[1]));
 833                                 g_strfreev(tokens);
 834                         }
 835                         g_free(buf);
 836                 }
 837                 g_io_channel_shutdown(channel, FALSE, NULL);
 838         }
 839         g_free(path);
 840 }
 841
 842 gboolean
 843 keywords_try_search(WebKitWebView *web_view, const gchar *t)
 844 {
 845         gboolean ret = FALSE;
 846         gchar **tokens = NULL;
 847         gchar *val = NULL, *uri = NULL;
 848
 849         tokens = g_strsplit(t, " ", 2);
 850         if (tokens[0] != NULL && tokens[1] != NULL)
 851         {
 852                 val = g_hash_table_lookup(keywords, tokens[0]);
 853                 if (val != NULL)
 854                 {
 855                         uri = g_strdup_printf((gchar *)val, tokens[1]);
 856                         if (show_all_requests)
 857                                 fprintf(stderr, "====> %s\n", uri);
 858                         webkit_web_view_load_uri(web_view, uri);
 859                         g_free(uri);
 860                         ret = TRUE;
 861                 }
 862         }
 863         g_strfreev(tokens);
 864
 865         return ret;
 866 }
 867
 868 gboolean
 869 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 870 {
 871         gchar *uri = NULL;
 872
 873         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 874         if (uri)
 875         {
 876                 g_strstrip(uri);
 877                 client_new(uri);
 878                 g_free(uri);
 879         }
 880         return TRUE;
 881 }
 882
 883 void
 884 search(gpointer data, gint direction)
 885 {
 886         struct Client *c = (struct Client *)data;
 887
 888         if (search_text == NULL)
 889                 return;
 890
 891         webkit_web_view_search_text(WEBKIT_WEB_VIEW(c->web_view), search_text,
 892                                     FALSE, direction == 1, TRUE);
 893 }
 894
 895 Window
 896 tabbed_launch(void)
 897 {
 898         gint tabbed_stdout;
 899         GIOChannel *tabbed_stdout_channel;
 900         GError *err = NULL;
 901         gchar *output = NULL;
 902         char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 903         Window plug_into;
 904
 905         if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 906                                       NULL, NULL, NULL, &tabbed_stdout, NULL,
 907                                       &err))
 908         {
 909                 fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 910                 g_error_free(err);
 911                 return 0;
 912         }
 913
 914         tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 915         if (tabbed_stdout_channel == NULL)
 916         {
 917                 fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
 918                 return 0;
 919         }
 920         g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 921         g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 922         if (output == NULL)
 923         {
 924                 fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 925                 return 0;
 926         }
 927         g_strstrip(output);
 928         plug_into = strtol(output, NULL, 16);
 929         g_free(output);
 930         if (plug_into == 0)
 931                 fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
 932         return plug_into;
 933 }
 934
 935 void
 936 usage(void)
 937 {
 938         fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
 939         exit(EXIT_FAILURE);
 940 }
 941
 942
 943 int
 944 main(int argc, char **argv)
 945 {
 946         int opt, i;
 947
 948         gtk_init(&argc, &argv);
 949
 950         grab_environment_configuration();
 951
 952         while ((opt = getopt(argc, argv, "e:rCT")) != -1)
 953         {
 954                 switch (opt)
 955                 {
 956                         case 'e':
 957                                 embed = atol(optarg);
 958                                 tabbed_automagic = FALSE;
 959                                 break;
 960                         case 'r':
 961                                 show_all_requests = TRUE;
 962                                 break;
 963                         case 'C':
 964                                 cooperative_instances = FALSE;
 965                                 break;
 966                         case 'T':
 967                                 tabbed_automagic = FALSE;
 968                                 break;
 969                         default:
 970                                 usage();
 971                 }
 972         }
 973
 974         adblock_load();
 975         keywords_load();
 976         cooperation_setup();
 977         downloadmanager_setup();
 978
 979         if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 980                 embed = tabbed_launch();
 981
 982         if (optind >= argc)
 983                 client_new(home_uri);
 984         else
 985         {
 986                 for (i = optind; i < argc; i++)
 987                         client_new(argv[i]);
 988         }
 989
 990         if (!cooperative_instances || cooperative_alone)
 991                 gtk_main();
 992         exit(EXIT_SUCCESS);
 993 }