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