surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5
   6 #include <signal.h>
   7 #include <X11/X.h>
   8 #include <X11/Xatom.h>
   9 #include <gtk/gtk.h>
  10 #include <gdk/gdkx.h>
  11 #include <gdk/gdk.h>
  12 #include <gdk/gdkkeysyms.h>
  13 #include <string.h>
  14 #include <sys/types.h>
  15 #include <sys/wait.h>
  16 #include <unistd.h>
  17 #include <limits.h>
  18 #include <stdlib.h>
  19 #include <stdio.h>
  20 #include <webkit/webkit.h>
  21 #include <glib/gstdio.h>
  22 #include <JavaScriptCore/JavaScript.h>
  23 #include <sys/file.h>
  24 #include <libgen.h>
  25 #include <stdarg.h>
  26
  27 #include "arg.h"
  28
  29 char *argv0;
  30
  31 #define LENGTH(x)               (sizeof x / sizeof x[0])
  32 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  33 #define COOKIEJAR_TYPE          (cookiejar_get_type ())
  34 #define COOKIEJAR(obj)          (G_TYPE_CHECK_INSTANCE_CAST ((obj), COOKIEJAR_TYPE, CookieJar))
  35
  36 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  37
  38 typedef union Arg Arg;
  39 union Arg {
  40         gboolean b;
  41         gint i;
  42         const void *v;
  43 };
  44
  45 typedef struct Client {
  46         GtkWidget *win, *scroll, *vbox, *pane;
  47         WebKitWebView *view;
  48         WebKitWebInspector *inspector;
  49         char *title, *linkhover;
  50         const char *needle;
  51         gint progress;
  52         struct Client *next;
  53         gboolean zoomed, fullscreen, isinspecting, sslfailed;
  54 } Client;
  55
  56 typedef struct {
  57         guint mod;
  58         guint keyval;
  59         void (*func)(Client *c, const Arg *arg);
  60         const Arg arg;
  61 } Key;
  62
  63 typedef struct {
  64         SoupCookieJarText parent_instance;
  65         int lock;
  66 } CookieJar;
  67
  68 typedef struct {
  69         SoupCookieJarTextClass parent_class;
  70 } CookieJarClass;
  71
  72 G_DEFINE_TYPE(CookieJar, cookiejar, SOUP_TYPE_COOKIE_JAR_TEXT)
  73
  74 static Display *dpy;
  75 static Atom atoms[AtomLast];
  76 static Client *clients = NULL;
  77 static GdkNativeWindow embed = 0;
  78 static gboolean showxid = FALSE;
  79 static char winid[64];
  80 static gboolean usingproxy = 0;
  81 static char togglestat[8];
  82 static char pagestat[3];
  83 static GTlsDatabase *tlsdb;
  84 static int policysel = 0;
  85
  86 static void addaccelgroup(Client *c);
  87 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
  88                 WebKitWebResource *r, WebKitNetworkRequest *req,
  89                 WebKitNetworkResponse *resp, gpointer d);
  90 static char *buildpath(const char *path);
  91 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e,
  92                 GList *gl);
  93 static void cleanup(void);
  94 static void clipboard(Client *c, const Arg *arg);
  95
  96 /* Cookiejar implementation */
  97 static void cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
  98                 SoupCookie *new_cookie);
  99 static void cookiejar_finalize(GObject *self);
 100 static SoupCookieJarAcceptPolicy cookiepolicy_get(void);
 101 static SoupCookieJar *cookiejar_new(const char *filename, gboolean read_only,
 102                 SoupCookieJarAcceptPolicy policy);
 103 static void cookiejar_set_property(GObject *self, guint prop_id,
 104                 const GValue *value, GParamSpec *pspec);
 105 static char cookiepolicy_set(const SoupCookieJarAcceptPolicy p);
 106
 107 static char *copystr(char **str, const char *src);
 108 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f,
 109                 Client *c);
 110 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f,
 111                 WebKitNetworkRequest *r, gchar *m,  WebKitWebPolicyDecision *p,
 112                 Client *c);
 113 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f,
 114                 WebKitNetworkRequest *r, WebKitWebNavigationAction *n,
 115                 WebKitWebPolicyDecision *p, Client *c);
 116 static gboolean deletion_interface(WebKitWebView *view,
 117                 WebKitDOMHTMLElement *arg1, Client *c);
 118 static void destroyclient(Client *c);
 119 static void destroywin(GtkWidget* w, Client *c);
 120 static void die(const char *errstr, ...);
 121 static void eval(Client *c, const Arg *arg);
 122 static void find(Client *c, const Arg *arg);
 123 static void fullscreen(Client *c, const Arg *arg);
 124 static void geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 125                 WebKitGeolocationPolicyDecision *d, Client *c);
 126 static const char *getatom(Client *c, int a);
 127 static void gettogglestat(Client *c);
 128 static void getpagestat(Client *c);
 129 static char *geturi(Client *c);
 130 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
 131
 132 static void inspector(Client *c, const Arg *arg);
 133 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 134                 Client *c);
 135 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 136 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 137 static void inspector_finished(WebKitWebInspector *i, Client *c);
 138
 139 static gboolean keypress(GtkAccelGroup *group,
 140                 GObject *obj, guint key, GdkModifierType mods,
 141                 Client *c);
 142 static void linkhover(WebKitWebView *v, const char* t, const char* l,
 143                 Client *c);
 144 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
 145                 Client *c);
 146 static void loaduri(Client *c, const Arg *arg);
 147 static void navigate(Client *c, const Arg *arg);
 148 static Client *newclient(void);
 149 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 150 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 151 static void populatepopup(WebKitWebView *web, GtkMenu *menu, Client *c);
 152 static void popupactivate(GtkMenuItem *menu, Client *);
 153 static void print(Client *c, const Arg *arg);
 154 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 155                 gpointer d);
 156 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 157 static void reload(Client *c, const Arg *arg);
 158 static void scroll_h(Client *c, const Arg *arg);
 159 static void scroll_v(Client *c, const Arg *arg);
 160 static void scroll(GtkAdjustment *a, const Arg *arg);
 161 static void setatom(Client *c, int a, const char *v);
 162 static void setup(void);
 163 static void sigchld(int unused);
 164 static void source(Client *c, const Arg *arg);
 165 static void spawn(Client *c, const Arg *arg);
 166 static void stop(Client *c, const Arg *arg);
 167 static void titlechange(WebKitWebView *v, WebKitWebFrame *frame,
 168                 const char *title, Client *c);
 169 static void toggle(Client *c, const Arg *arg);
 170 static void togglecookiepolicy(Client *c, const Arg *arg);
 171 static void togglegeolocation(Client *c, const Arg *arg);
 172 static void togglescrollbars(Client *c, const Arg *arg);
 173 static void togglestyle(Client *c, const Arg *arg);
 174 static void updatetitle(Client *c);
 175 static void updatewinid(Client *c);
 176 static void usage(void);
 177 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 178                 JSContextRef js, JSObjectRef win, Client *c);
 179 static void zoom(Client *c, const Arg *arg);
 180
 181 /* configuration, allows nested code to access above variables */
 182 #include "config.h"
 183
 184 static void
 185 addaccelgroup(Client *c) {
 186         int i;
 187         GtkAccelGroup *group = gtk_accel_group_new();
 188         GClosure *closure;
 189
 190         for(i = 0; i < LENGTH(keys); i++) {
 191                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 192                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod,
 193                                 0, closure);
 194         }
 195         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 196 }
 197
 198 static void
 199 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 200                 WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 201                 gpointer d) {
 202         const gchar *uri = webkit_network_request_get_uri(req);
 203
 204         if(g_str_has_suffix(uri, "/favicon.ico"))
 205                 webkit_network_request_set_uri(req, "about:blank");
 206 }
 207
 208 static char *
 209 buildpath(const char *path) {
 210         char *apath, *p;
 211         FILE *f;
 212
 213         /* creating directory */
 214         if(path[0] == '/') {
 215                 apath = g_strdup(path);
 216         } else if(path[0] == '~') {
 217                 if(path[1] == '/') {
 218                         apath = g_strconcat(g_get_home_dir(), &path[1], NULL);
 219                 } else {
 220                         apath = g_strconcat(g_get_home_dir(), "/",
 221                                         &path[1], NULL);
 222                 }
 223         } else {
 224                 apath = g_strconcat(g_get_current_dir(), "/", path, NULL);
 225         }
 226
 227         if((p = strrchr(apath, '/'))) {
 228                 *p = '\0';
 229                 g_mkdir_with_parents(apath, 0700);
 230                 g_chmod(apath, 0700); /* in case it existed */
 231                 *p = '/';
 232         }
 233         /* creating file (gives error when apath ends with "/") */
 234         if((f = fopen(apath, "a"))) {
 235                 g_chmod(apath, 0600); /* always */
 236                 fclose(f);
 237         }
 238
 239         return apath;
 240 }
 241
 242 static gboolean
 243 buttonrelease(WebKitWebView *web, GdkEventButton *e, GList *gl) {
 244         WebKitHitTestResultContext context;
 245         WebKitHitTestResult *result = webkit_web_view_get_hit_test_result(web,
 246                         e);
 247         Arg arg;
 248
 249         g_object_get(result, "context", &context, NULL);
 250         if(context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK) {
 251                 if(e->button == 2 ||
 252                                 (e->button == 1 && CLEANMASK(e->state) == CLEANMASK(MODKEY))) {
 253                         g_object_get(result, "link-uri", &arg.v, NULL);
 254                         newwindow(NULL, &arg, e->state & GDK_CONTROL_MASK);
 255                         return true;
 256                 }
 257         }
 258         return false;
 259 }
 260
 261 static void
 262 cleanup(void) {
 263         while(clients)
 264                 destroyclient(clients);
 265         g_free(cookiefile);
 266         g_free(scriptfile);
 267         g_free(stylefile);
 268 }
 269
 270 static void
 271 cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
 272                 SoupCookie *new_cookie) {
 273         flock(COOKIEJAR(self)->lock, LOCK_EX);
 274         if(new_cookie && !new_cookie->expires && sessiontime) {
 275                 soup_cookie_set_expires(new_cookie,
 276                                 soup_date_new_from_now(sessiontime));
 277         }
 278         SOUP_COOKIE_JAR_CLASS(cookiejar_parent_class)->changed(self,
 279                         old_cookie, new_cookie);
 280         flock(COOKIEJAR(self)->lock, LOCK_UN);
 281 }
 282
 283 static void
 284 cookiejar_class_init(CookieJarClass *klass) {
 285         SOUP_COOKIE_JAR_CLASS(klass)->changed = cookiejar_changed;
 286         G_OBJECT_CLASS(klass)->get_property =
 287                 G_OBJECT_CLASS(cookiejar_parent_class)->get_property;
 288         G_OBJECT_CLASS(klass)->set_property = cookiejar_set_property;
 289         G_OBJECT_CLASS(klass)->finalize = cookiejar_finalize;
 290         g_object_class_override_property(G_OBJECT_CLASS(klass), 1, "filename");
 291 }
 292
 293 static void
 294 cookiejar_finalize(GObject *self) {
 295         close(COOKIEJAR(self)->lock);
 296         G_OBJECT_CLASS(cookiejar_parent_class)->finalize(self);
 297 }
 298
 299 static void
 300 cookiejar_init(CookieJar *self) {
 301         self->lock = open(cookiefile, 0);
 302 }
 303
 304 static SoupCookieJar *
 305 cookiejar_new(const char *filename, gboolean read_only,
 306                 SoupCookieJarAcceptPolicy policy) {
 307         return g_object_new(COOKIEJAR_TYPE,
 308                             SOUP_COOKIE_JAR_TEXT_FILENAME, filename,
 309                             SOUP_COOKIE_JAR_READ_ONLY, read_only,
 310                             SOUP_COOKIE_JAR_ACCEPT_POLICY, policy, NULL);
 311 }
 312
 313 static void
 314 cookiejar_set_property(GObject *self, guint prop_id, const GValue *value,
 315                 GParamSpec *pspec) {
 316         flock(COOKIEJAR(self)->lock, LOCK_SH);
 317         G_OBJECT_CLASS(cookiejar_parent_class)->set_property(self, prop_id,
 318                         value, pspec);
 319         flock(COOKIEJAR(self)->lock, LOCK_UN);
 320 }
 321
 322 static SoupCookieJarAcceptPolicy
 323 cookiepolicy_get(void) {
 324         switch(cookiepolicies[policysel]) {
 325         case 'a':
 326                 return SOUP_COOKIE_JAR_ACCEPT_NEVER;
 327         case '@':
 328                 return SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY;
 329         case 'A':
 330         default:
 331                 break;
 332         }
 333
 334         return SOUP_COOKIE_JAR_ACCEPT_ALWAYS;
 335 }
 336
 337 static char
 338 cookiepolicy_set(const SoupCookieJarAcceptPolicy ep) {
 339         switch(ep) {
 340         case SOUP_COOKIE_JAR_ACCEPT_NEVER:
 341                 return 'a';
 342         case SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY:
 343                 return '@';
 344         case SOUP_COOKIE_JAR_ACCEPT_ALWAYS:
 345         default:
 346                 break;
 347         }
 348
 349         return 'A';
 350 }
 351
 352 static void
 353 evalscript(JSContextRef js, char *script, char* scriptname) {
 354         JSStringRef jsscript, jsscriptname;
 355         JSValueRef exception = NULL;
 356
 357         jsscript = JSStringCreateWithUTF8CString(script);
 358         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 359         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 360                         jsscriptname, 0, &exception);
 361         JSStringRelease(jsscript);
 362         JSStringRelease(jsscriptname);
 363 }
 364
 365 static void
 366 runscript(WebKitWebFrame *frame) {
 367         char *script;
 368         GError *error;
 369
 370         if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
 371                 evalscript(webkit_web_frame_get_global_context(frame),
 372                                 script, scriptfile);
 373         }
 374 }
 375
 376 static void
 377 clipboard(Client *c, const Arg *arg) {
 378         gboolean paste = *(gboolean *)arg;
 379
 380         if(paste) {
 381                 gtk_clipboard_request_text(
 382                                 gtk_clipboard_get(GDK_SELECTION_PRIMARY),
 383                                 pasteuri, c);
 384         } else {
 385                 gtk_clipboard_set_text(
 386                                 gtk_clipboard_get(GDK_SELECTION_PRIMARY),
 387                                 c->linkhover ? c->linkhover : geturi(c), -1);
 388         }
 389 }
 390
 391 static char *
 392 copystr(char **str, const char *src) {
 393         char *tmp;
 394         tmp = g_strdup(src);
 395
 396         if(str && *str) {
 397                 g_free(*str);
 398                 *str = tmp;
 399         }
 400         return tmp;
 401 }
 402
 403 static WebKitWebView *
 404 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 405         Client *n = newclient();
 406         return n->view;
 407 }
 408
 409 static gboolean
 410 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r,
 411                 gchar *m,  WebKitWebPolicyDecision *p, Client *c) {
 412         if(!webkit_web_view_can_show_mime_type(v, m)) {
 413                 webkit_web_policy_decision_download(p);
 414                 return TRUE;
 415         }
 416         return FALSE;
 417 }
 418
 419 static gboolean
 420 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r,
 421                 WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p,
 422                 Client *c) {
 423         Arg arg;
 424
 425         if(webkit_web_navigation_action_get_reason(n) ==
 426                         WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 427                 webkit_web_policy_decision_ignore(p);
 428                 arg.v = (void *)webkit_network_request_get_uri(r);
 429                 newwindow(NULL, &arg, 0);
 430                 return TRUE;
 431         }
 432         return FALSE;
 433 }
 434
 435 static gboolean
 436 deletion_interface(WebKitWebView *view,
 437                 WebKitDOMHTMLElement *arg1, Client *c) {
 438         return FALSE;
 439 }
 440
 441 static void
 442 destroyclient(Client *c) {
 443         Client *p;
 444
 445         webkit_web_view_stop_loading(c->view);
 446         gtk_widget_destroy(GTK_WIDGET(c->view));
 447         gtk_widget_destroy(c->scroll);
 448         gtk_widget_destroy(c->vbox);
 449         gtk_widget_destroy(c->win);
 450
 451         for(p = clients; p && p->next != c; p = p->next);
 452         if(p) {
 453                 p->next = c->next;
 454         } else {
 455                 clients = c->next;
 456         }
 457         free(c);
 458         if(clients == NULL)
 459                 gtk_main_quit();
 460 }
 461
 462 static void
 463 destroywin(GtkWidget* w, Client *c) {
 464         destroyclient(c);
 465 }
 466
 467 static void
 468 die(const char *errstr, ...) {
 469         va_list ap;
 470
 471         va_start(ap, errstr);
 472         vfprintf(stderr, errstr, ap);
 473         va_end(ap);
 474         exit(EXIT_FAILURE);
 475 }
 476
 477 static void
 478 find(Client *c, const Arg *arg) {
 479         const char *s;
 480
 481         s = getatom(c, AtomFind);
 482         gboolean forward = *(gboolean *)arg;
 483         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 484 }
 485
 486 static void
 487 fullscreen(Client *c, const Arg *arg) {
 488         if(c->fullscreen) {
 489                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 490         } else {
 491                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 492         }
 493         c->fullscreen = !c->fullscreen;
 494 }
 495
 496 static void
 497 geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 498                 WebKitGeolocationPolicyDecision *d, Client *c) {
 499         if(allowgeolocation) {
 500                 webkit_geolocation_policy_allow(d);
 501         } else {
 502                 webkit_geolocation_policy_deny(d);
 503         }
 504 }
 505
 506 static const char *
 507 getatom(Client *c, int a) {
 508         static char buf[BUFSIZ];
 509         Atom adummy;
 510         int idummy;
 511         unsigned long ldummy;
 512         unsigned char *p = NULL;
 513
 514         XGetWindowProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
 515                         atoms[a], 0L, BUFSIZ, False, XA_STRING,
 516                         &adummy, &idummy, &ldummy, &ldummy, &p);
 517         if(p) {
 518                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 519         } else {
 520                 buf[0] = '\0';
 521         }
 522         XFree(p);
 523
 524         return buf;
 525 }
 526
 527 static char *
 528 geturi(Client *c) {
 529         char *uri;
 530
 531         if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
 532                 uri = "about:blank";
 533         return uri;
 534 }
 535
 536 static gboolean
 537 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 538         Arg arg;
 539
 540         updatewinid(c);
 541         arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
 542         spawn(c, &arg);
 543         return FALSE;
 544 }
 545
 546 static void
 547 inspector(Client *c, const Arg *arg) {
 548         if(c->isinspecting) {
 549                 webkit_web_inspector_close(c->inspector);
 550         } else {
 551                 webkit_web_inspector_show(c->inspector);
 552         }
 553 }
 554
 555 static WebKitWebView *
 556 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c) {
 557         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 558 }
 559
 560 static gboolean
 561 inspector_show(WebKitWebInspector *i, Client *c) {
 562         WebKitWebView *w;
 563
 564         if(c->isinspecting)
 565                 return false;
 566
 567         w = webkit_web_inspector_get_web_view(i);
 568         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 569         gtk_widget_show(GTK_WIDGET(w));
 570         c->isinspecting = true;
 571
 572         return true;
 573 }
 574
 575 static gboolean
 576 inspector_close(WebKitWebInspector *i, Client *c) {
 577         GtkWidget *w;
 578
 579         if(!c->isinspecting)
 580                 return false;
 581
 582         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 583         gtk_widget_hide(w);
 584         gtk_widget_destroy(w);
 585         c->isinspecting = false;
 586
 587         return true;
 588 }
 589
 590 static void
 591 inspector_finished(WebKitWebInspector *i, Client *c) {
 592         g_free(c->inspector);
 593 }
 594
 595 static gboolean
 596 keypress(GtkAccelGroup *group, GObject *obj,
 597                 guint key, GdkModifierType mods, Client *c) {
 598         guint i;
 599         gboolean processed = FALSE;
 600
 601         mods = CLEANMASK(mods);
 602         key = gdk_keyval_to_lower(key);
 603         updatewinid(c);
 604         for(i = 0; i < LENGTH(keys); i++) {
 605                 if(key == keys[i].keyval
 606                                 && mods == keys[i].mod
 607                                 && keys[i].func) {
 608                         keys[i].func(c, &(keys[i].arg));
 609                         processed = TRUE;
 610                 }
 611         }
 612
 613         return processed;
 614 }
 615
 616 static void
 617 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c) {
 618         if(l) {
 619                 c->linkhover = copystr(&c->linkhover, l);
 620         } else if(c->linkhover) {
 621                 free(c->linkhover);
 622                 c->linkhover = NULL;
 623         }
 624         updatetitle(c);
 625 }
 626
 627 static void
 628 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
 629         WebKitWebFrame *frame;
 630         WebKitWebDataSource *src;
 631         WebKitNetworkRequest *request;
 632         SoupMessage *msg;
 633         char *uri;
 634
 635         switch(webkit_web_view_get_load_status (c->view)) {
 636         case WEBKIT_LOAD_COMMITTED:
 637                 uri = geturi(c);
 638                 if(strstr(uri, "https://") == uri) {
 639                         frame = webkit_web_view_get_main_frame(c->view);
 640                         src = webkit_web_frame_get_data_source(frame);
 641                         request = webkit_web_data_source_get_request(src);
 642                         msg = webkit_network_request_get_message(request);
 643                         c->sslfailed = !(soup_message_get_flags(msg)
 644                                         & SOUP_MESSAGE_CERTIFICATE_TRUSTED);
 645                 }
 646                 setatom(c, AtomUri, uri);
 647                 break;
 648         case WEBKIT_LOAD_FINISHED:
 649                 c->progress = 100;
 650                 updatetitle(c);
 651                 break;
 652         default:
 653                 break;
 654         }
 655 }
 656
 657 static void
 658 loaduri(Client *c, const Arg *arg) {
 659         char *u, *rp;
 660         const char *uri = (char *)arg->v;
 661         Arg a = { .b = FALSE };
 662         struct stat st;
 663
 664         if(strcmp(uri, "") == 0)
 665                 return;
 666
 667         /* In case it's a file path. */
 668         if(stat(uri, &st) == 0) {
 669                 rp = realpath(uri, NULL);
 670                 u = g_strdup_printf("file://%s", rp);
 671                 free(rp);
 672         } else {
 673                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 674                         : g_strdup_printf("http://%s", uri);
 675         }
 676
 677         setatom(c, AtomUri, uri);
 678
 679         /* prevents endless loop */
 680         if(strcmp(u, geturi(c)) == 0) {
 681                 reload(c, &a);
 682         } else {
 683                 webkit_web_view_load_uri(c->view, u);
 684                 c->progress = 0;
 685                 c->title = copystr(&c->title, u);
 686                 g_free(u);
 687                 updatetitle(c);
 688         }
 689 }
 690
 691 static void
 692 navigate(Client *c, const Arg *arg) {
 693         int steps = *(int *)arg;
 694         webkit_web_view_go_back_or_forward(c->view, steps);
 695 }
 696
 697 static Client *
 698 newclient(void) {
 699         Client *c;
 700         WebKitWebSettings *settings;
 701         WebKitWebFrame *frame;
 702         GdkGeometry hints = { 1, 1 };
 703         GdkScreen *screen;
 704         gdouble dpi;
 705         char *uri, *ua;
 706
 707         if(!(c = calloc(1, sizeof(Client))))
 708                 die("Cannot malloc!\n");
 709
 710         /* Window */
 711         if(embed) {
 712                 c->win = gtk_plug_new(embed);
 713         } else {
 714                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 715
 716                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
 717                  * is always correct, so we should still call this function.
 718                  * But when doing so, we *must* differentiate between a
 719                  * WM_CLASS and a resource on the window.  By convention, the
 720                  * window class (WM_CLASS) is capped, while the resource is in
 721                  * lowercase.   Both these values come as a pair.
 722                  */
 723                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
 724
 725                 /* TA:  20091214:  And set the role here as well -- so that
 726                  * sessions can pick this up.
 727                  */
 728                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
 729         }
 730         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 731         g_signal_connect(G_OBJECT(c->win),
 732                         "destroy",
 733                         G_CALLBACK(destroywin), c);
 734
 735         if(!kioskmode)
 736                 addaccelgroup(c);
 737
 738         /* Pane */
 739         c->pane = gtk_vpaned_new();
 740
 741         /* VBox */
 742         c->vbox = gtk_vbox_new(FALSE, 0);
 743         gtk_paned_pack1(GTK_PANED(c->pane), c->vbox, TRUE, TRUE);
 744
 745         /* Webview */
 746         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 747
 748         g_signal_connect(G_OBJECT(c->view),
 749                         "title-changed",
 750                         G_CALLBACK(titlechange), c);
 751         g_signal_connect(G_OBJECT(c->view),
 752                         "hovering-over-link",
 753                         G_CALLBACK(linkhover), c);
 754         g_signal_connect(G_OBJECT(c->view),
 755                         "geolocation-policy-decision-requested",
 756                         G_CALLBACK(geopolicyrequested), c);
 757         g_signal_connect(G_OBJECT(c->view),
 758                         "create-web-view",
 759                         G_CALLBACK(createwindow), c);
 760         g_signal_connect(G_OBJECT(c->view),
 761                         "new-window-policy-decision-requested",
 762                         G_CALLBACK(decidewindow), c);
 763         g_signal_connect(G_OBJECT(c->view),
 764                         "mime-type-policy-decision-requested",
 765                         G_CALLBACK(decidedownload), c);
 766         g_signal_connect(G_OBJECT(c->view),
 767                         "window-object-cleared",
 768                         G_CALLBACK(windowobjectcleared), c);
 769         g_signal_connect(G_OBJECT(c->view),
 770                         "notify::load-status",
 771                         G_CALLBACK(loadstatuschange), c);
 772         g_signal_connect(G_OBJECT(c->view),
 773                         "notify::progress",
 774                         G_CALLBACK(progresschange), c);
 775         g_signal_connect(G_OBJECT(c->view),
 776                         "download-requested",
 777                         G_CALLBACK(initdownload), c);
 778         g_signal_connect(G_OBJECT(c->view),
 779                         "button-release-event",
 780                         G_CALLBACK(buttonrelease), c);
 781         g_signal_connect(G_OBJECT(c->view),
 782                         "populate-popup",
 783                         G_CALLBACK(populatepopup), c);
 784         g_signal_connect(G_OBJECT(c->view),
 785                         "resource-request-starting",
 786                         G_CALLBACK(beforerequest), c);
 787         g_signal_connect(G_OBJECT(c->view),
 788                         "should-show-delete-interface-for-element",
 789                         G_CALLBACK(deletion_interface), c);
 790
 791         /* Scrolled Window */
 792         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 793
 794         frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(c->view));
 795         g_signal_connect(G_OBJECT(frame), "scrollbars-policy-changed",
 796                         G_CALLBACK(gtk_true), NULL);
 797
 798         if(!enablescrollbars) {
 799                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 800                                 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 801         } else {
 802                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 803                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 804         }
 805
 806         /* Arranging */
 807         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 808         gtk_container_add(GTK_CONTAINER(c->win), c->pane);
 809         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 810
 811         /* Setup */
 812         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE,
 813                         TRUE, 0, GTK_PACK_START);
 814         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 815         gtk_widget_show(c->pane);
 816         gtk_widget_show(c->vbox);
 817         gtk_widget_show(c->scroll);
 818         gtk_widget_show(GTK_WIDGET(c->view));
 819         gtk_widget_show(c->win);
 820         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
 821                         GDK_HINT_MIN_SIZE);
 822         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 823         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 824         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 825
 826         runscript(frame);
 827
 828         settings = webkit_web_view_get_settings(c->view);
 829         if(!(ua = getenv("SURF_USERAGENT")))
 830                 ua = useragent;
 831         g_object_set(G_OBJECT(settings), "user-agent", ua, NULL);
 832         uri = g_strconcat("file://", stylefile, NULL);
 833         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
 834         g_object_set(G_OBJECT(settings), "auto-load-images", loadimages,
 835                         NULL);
 836         g_object_set(G_OBJECT(settings), "enable-plugins", enableplugins,
 837                         NULL);
 838         g_object_set(G_OBJECT(settings), "enable-scripts", enablescripts,
 839                         NULL);
 840         g_object_set(G_OBJECT(settings), "enable-spatial-navigation",
 841                         enablespatialbrowsing, NULL);
 842         g_object_set(G_OBJECT(settings), "enable-developer-extras",
 843                         enableinspector, NULL);
 844         g_object_set(G_OBJECT(settings), "enable-default-context-menu",
 845                         kioskmode ^ 1, NULL);
 846         g_object_set(G_OBJECT(settings), "default-font-size",
 847                         defaultfontsize, NULL);
 848
 849         /*
 850          * While stupid, CSS specifies that a pixel represents 1/96 of an inch.
 851          * This ensures websites are not unusably small with a high DPI screen.
 852          * It is equivalent to firefox's "layout.css.devPixelsPerPx" setting.
 853          */
 854         if(zoomto96dpi) {
 855                 screen = gdk_window_get_screen(GTK_WIDGET(c->win)->window);
 856                 dpi = gdk_screen_get_resolution(screen);
 857                 if(dpi != -1) {
 858                         g_object_set(G_OBJECT(settings), "enforce-96-dpi", true,
 859                                         NULL);
 860                         webkit_web_view_set_zoom_level(c->view, dpi/96);
 861                 }
 862         }
 863         /* This might conflict with _zoomto96dpi_. */
 864         if(zoomlevel != 1.0)
 865                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
 866
 867         if(enableinspector) {
 868                 c->inspector = WEBKIT_WEB_INSPECTOR(
 869                                 webkit_web_view_get_inspector(c->view));
 870                 g_signal_connect(G_OBJECT(c->inspector), "inspect-web-view",
 871                                 G_CALLBACK(inspector_new), c);
 872                 g_signal_connect(G_OBJECT(c->inspector), "show-window",
 873                                 G_CALLBACK(inspector_show), c);
 874                 g_signal_connect(G_OBJECT(c->inspector), "close-window",
 875                                 G_CALLBACK(inspector_close), c);
 876                 g_signal_connect(G_OBJECT(c->inspector), "finished",
 877                                 G_CALLBACK(inspector_finished), c);
 878                 c->isinspecting = false;
 879         }
 880
 881         if(runinfullscreen) {
 882                 c->fullscreen = 0;
 883                 fullscreen(c, NULL);
 884         }
 885
 886         g_free(uri);
 887
 888         setatom(c, AtomFind, "");
 889         setatom(c, AtomUri, "about:blank");
 890         if(hidebackground)
 891                 webkit_web_view_set_transparent(c->view, TRUE);
 892
 893         c->title = NULL;
 894         c->next = clients;
 895         clients = c;
 896
 897         if(showxid) {
 898                 gdk_display_sync(gtk_widget_get_display(c->win));
 899                 printf("%u\n",
 900                         (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 901                 fflush(NULL);
 902                 if (fclose(stdout) != 0) {
 903                         die("Error closing stdout");
 904                 }
 905         }
 906
 907         return c;
 908 }
 909
 910 static void
 911 newwindow(Client *c, const Arg *arg, gboolean noembed) {
 912         guint i = 0;
 913         const char *cmd[14], *uri;
 914         const Arg a = { .v = (void *)cmd };
 915         char tmp[64];
 916
 917         cmd[i++] = argv0;
 918         if(!enablescrollbars)
 919                 cmd[i++] = "-b";
 920         if(embed && !noembed) {
 921                 cmd[i++] = "-e";
 922                 snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed);
 923                 cmd[i++] = tmp;
 924         }
 925         if(!loadimages)
 926                 cmd[i++] = "-i";
 927         if(kioskmode)
 928                 cmd[i++] = "-k";
 929         if(!enableplugins)
 930                 cmd[i++] = "-p";
 931         if(!enablescripts)
 932                 cmd[i++] = "-s";
 933         if(showxid)
 934                 cmd[i++] = "-x";
 935         cmd[i++] = "-c";
 936         cmd[i++] = cookiefile;
 937         cmd[i++] = "--";
 938         uri = arg->v ? (char *)arg->v : c->linkhover;
 939         if(uri)
 940                 cmd[i++] = uri;
 941         cmd[i++] = NULL;
 942         spawn(NULL, &a);
 943 }
 944
 945 static void
 946 populatepopup(WebKitWebView *web, GtkMenu *menu, Client *c) {
 947         GList *items = gtk_container_get_children(GTK_CONTAINER(menu));
 948
 949         for(GList *l = items; l; l = l->next) {
 950                 g_signal_connect(l->data, "activate", G_CALLBACK(popupactivate), c);
 951         }
 952
 953         g_list_free(items);
 954 }
 955
 956 static void
 957 popupactivate(GtkMenuItem *menu, Client *c) {
 958         /*
 959          * context-menu-action-2000     open link
 960          * context-menu-action-1        open link in window
 961          * context-menu-action-2        download linked file
 962          * context-menu-action-3        copy link location
 963          * context-menu-action-13       reload
 964          * context-menu-action-10       back
 965          * context-menu-action-11       forward
 966          * context-menu-action-12       stop
 967          */
 968
 969         GtkAction *a = NULL;
 970         const char *name;
 971         GtkClipboard *prisel;
 972
 973         a = gtk_activatable_get_related_action(GTK_ACTIVATABLE(menu));
 974         if(a == NULL)
 975                 return;
 976
 977         name = gtk_action_get_name(a);
 978         if(!g_strcmp0(name, "context-menu-action-3")) {
 979                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 980                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
 981         }
 982 }
 983
 984 static void
 985 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
 986         Arg arg = {.v = text };
 987         if(text != NULL)
 988                 loaduri((Client *) d, &arg);
 989 }
 990
 991 static void
 992 print(Client *c, const Arg *arg) {
 993         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
 994 }
 995
 996 static GdkFilterReturn
 997 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
 998         Client *c = (Client *)d;
 999         XPropertyEvent *ev;
1000         Arg arg;
1001
1002         if(((XEvent *)e)->type == PropertyNotify) {
1003                 ev = &((XEvent *)e)->xproperty;
1004                 if(ev->state == PropertyNewValue) {
1005                         if(ev->atom == atoms[AtomFind]) {
1006                                 arg.b = TRUE;
1007                                 find(c, &arg);
1008
1009                                 return GDK_FILTER_REMOVE;
1010                         } else if(ev->atom == atoms[AtomGo]) {
1011                                 arg.v = getatom(c, AtomGo);
1012                                 loaduri(c, &arg);
1013
1014                                 return GDK_FILTER_REMOVE;
1015                         }
1016                 }
1017         }
1018         return GDK_FILTER_CONTINUE;
1019 }
1020
1021 static void
1022 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
1023         c->progress = webkit_web_view_get_progress(c->view) * 100;
1024         updatetitle(c);
1025 }
1026
1027 static void
1028 reload(Client *c, const Arg *arg) {
1029         gboolean nocache = *(gboolean *)arg;
1030         if(nocache) {
1031                  webkit_web_view_reload_bypass_cache(c->view);
1032         } else {
1033                  webkit_web_view_reload(c->view);
1034         }
1035 }
1036
1037 static void
1038 scroll_h(Client *c, const Arg *arg) {
1039         scroll(gtk_scrolled_window_get_hadjustment(
1040                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
1041 }
1042
1043 static void
1044 scroll_v(Client *c, const Arg *arg) {
1045         scroll(gtk_scrolled_window_get_vadjustment(
1046                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
1047 }
1048
1049 static void
1050 scroll(GtkAdjustment *a, const Arg *arg) {
1051         gdouble v;
1052
1053         v = gtk_adjustment_get_value(a);
1054         switch(arg->i) {
1055         case +10000:
1056         case -10000:
1057                 v += gtk_adjustment_get_page_increment(a) *
1058                         (arg->i / 10000);
1059                 break;
1060         case +20000:
1061         case -20000:
1062         default:
1063                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1064         }
1065
1066         v = MAX(v, 0.0);
1067         v = MIN(v, gtk_adjustment_get_upper(a) -
1068                         gtk_adjustment_get_page_size(a));
1069         gtk_adjustment_set_value(a, v);
1070 }
1071
1072 static void
1073 setatom(Client *c, int a, const char *v) {
1074         XSync(dpy, False);
1075         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
1076                         atoms[a], XA_STRING, 8, PropModeReplace,
1077                         (unsigned char *)v, strlen(v) + 1);
1078 }
1079
1080 static void
1081 setup(void) {
1082         char *proxy;
1083         char *new_proxy;
1084         SoupURI *puri;
1085         SoupSession *s;
1086         GError *error = NULL;
1087
1088         /* clean up any zombies immediately */
1089         sigchld(0);
1090         gtk_init(NULL, NULL);
1091
1092         dpy = GDK_DISPLAY();
1093
1094         /* atoms */
1095         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1096         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1097         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1098
1099         /* dirs and files */
1100         cookiefile = buildpath(cookiefile);
1101         scriptfile = buildpath(scriptfile);
1102         stylefile = buildpath(stylefile);
1103
1104         /* request handler */
1105         s = webkit_get_default_session();
1106
1107         /* cookie jar */
1108         soup_session_add_feature(s,
1109                         SOUP_SESSION_FEATURE(cookiejar_new(cookiefile, FALSE,
1110                                         cookiepolicy_get())));
1111
1112         /* ssl */
1113         tlsdb = g_tls_file_database_new(cafile, &error);
1114
1115         if(error) {
1116                 g_warning("Error loading SSL database %s: %s", cafile, error->message);
1117                 g_error_free(error);
1118         }
1119         g_object_set(G_OBJECT(s), "tls-database", tlsdb, NULL);
1120         g_object_set(G_OBJECT(s), "ssl-strict", strictssl, NULL);
1121
1122         /* proxy */
1123         if((proxy = getenv("http_proxy")) && strcmp(proxy, "")) {
1124                 new_proxy = g_strrstr(proxy, "http://") ? g_strdup(proxy) :
1125                         g_strdup_printf("http://%s", proxy);
1126                 puri = soup_uri_new(new_proxy);
1127                 g_object_set(G_OBJECT(s), "proxy-uri", puri, NULL);
1128                 soup_uri_free(puri);
1129                 g_free(new_proxy);
1130                 usingproxy = 1;
1131         }
1132 }
1133
1134 static void
1135 sigchld(int unused) {
1136         if(signal(SIGCHLD, sigchld) == SIG_ERR)
1137                 die("Can't install SIGCHLD handler");
1138         while(0 < waitpid(-1, NULL, WNOHANG));
1139 }
1140
1141 static void
1142 source(Client *c, const Arg *arg) {
1143         Arg a = { .b = FALSE };
1144         gboolean s;
1145
1146         s = webkit_web_view_get_view_source_mode(c->view);
1147         webkit_web_view_set_view_source_mode(c->view, !s);
1148         reload(c, &a);
1149 }
1150
1151 static void
1152 spawn(Client *c, const Arg *arg) {
1153         if(fork() == 0) {
1154                 if(dpy)
1155                         close(ConnectionNumber(dpy));
1156                 setsid();
1157                 execvp(((char **)arg->v)[0], (char **)arg->v);
1158                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1159                 perror(" failed");
1160                 exit(0);
1161         }
1162 }
1163
1164 static void
1165 eval(Client *c, const Arg *arg) {
1166         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1167         evalscript(webkit_web_frame_get_global_context(frame),
1168                         ((char **)arg->v)[0], "");
1169 }
1170
1171 static void
1172 stop(Client *c, const Arg *arg) {
1173         webkit_web_view_stop_loading(c->view);
1174 }
1175
1176 static void
1177 titlechange(WebKitWebView *v, WebKitWebFrame *f, const char *t, Client *c) {
1178         c->title = copystr(&c->title, t);
1179         updatetitle(c);
1180 }
1181
1182 static void
1183 toggle(Client *c, const Arg *arg) {
1184         WebKitWebSettings *settings;
1185         char *name = (char *)arg->v;
1186         gboolean value;
1187         Arg a = { .b = FALSE };
1188
1189         settings = webkit_web_view_get_settings(c->view);
1190         g_object_get(G_OBJECT(settings), name, &value, NULL);
1191         g_object_set(G_OBJECT(settings), name, !value, NULL);
1192
1193         reload(c, &a);
1194 }
1195
1196 static void
1197 togglecookiepolicy(Client *c, const Arg *arg) {
1198         SoupCookieJar *jar;
1199         SoupCookieJarAcceptPolicy policy;
1200
1201         jar = SOUP_COOKIE_JAR(
1202                         soup_session_get_feature(
1203                                 webkit_get_default_session(),
1204                                 SOUP_TYPE_COOKIE_JAR));
1205         g_object_get(G_OBJECT(jar), "accept-policy", &policy, NULL);
1206
1207         policysel++;
1208         if(policysel >= strlen(cookiepolicies))
1209                 policysel = 0;
1210
1211         g_object_set(G_OBJECT(jar), "accept-policy",
1212                         cookiepolicy_get(), NULL);
1213
1214         updatetitle(c);
1215         /* Do not reload. */
1216 }
1217
1218 static void
1219 togglegeolocation(Client *c, const Arg *arg) {
1220         Arg a = { .b = FALSE };
1221
1222         allowgeolocation ^= 1;
1223
1224         reload(c, &a);
1225 }
1226
1227 static void
1228 twitch(Client *c, const Arg *arg) {
1229         GtkAdjustment *a;
1230         gdouble v;
1231
1232         a = gtk_scrolled_window_get_vadjustment(
1233                         GTK_SCROLLED_WINDOW(c->scroll));
1234
1235         v = gtk_adjustment_get_value(a);
1236
1237         v += arg->i;
1238
1239         v = MAX(v, 0.0);
1240         v = MIN(v, gtk_adjustment_get_upper(a) -
1241                         gtk_adjustment_get_page_size(a));
1242         gtk_adjustment_set_value(a, v);
1243 }
1244
1245 static void
1246 togglescrollbars(Client *c, const Arg *arg) {
1247         GtkPolicyType vspolicy;
1248         Arg a;
1249
1250         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL, &vspolicy);
1251
1252         if(vspolicy == GTK_POLICY_AUTOMATIC) {
1253                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1254                                 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
1255         } else {
1256                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1257                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1258                 a.i = +1;
1259                 twitch(c, &a);
1260                 a.i = -1;
1261                 twitch(c, &a);
1262         }
1263 }
1264
1265 static void
1266 togglestyle(Client *c, const Arg *arg) {
1267         WebKitWebSettings *settings;
1268         char *uri;
1269
1270         settings = webkit_web_view_get_settings(c->view);
1271         g_object_get(G_OBJECT(settings), "user-stylesheet-uri", &uri, NULL);
1272         uri = uri[0] ? g_strdup("") : g_strconcat("file://", stylefile, NULL);
1273         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
1274
1275         updatetitle(c);
1276 }
1277
1278 static void
1279 gettogglestat(Client *c){
1280         gboolean value;
1281         char *uri;
1282         int p = 0;
1283         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1284
1285         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1286
1287         g_object_get(G_OBJECT(settings), "enable-caret-browsing",
1288                         &value, NULL);
1289         togglestat[p++] = value? 'C': 'c';
1290
1291         togglestat[p++] = allowgeolocation? 'G': 'g';
1292
1293         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1294         togglestat[p++] = value? 'I': 'i';
1295
1296         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1297         togglestat[p++] = value? 'S': 's';
1298
1299         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1300         togglestat[p++] = value? 'V': 'v';
1301
1302         g_object_get(G_OBJECT(settings), "user-stylesheet-uri", &uri, NULL);
1303         togglestat[p++] = uri[0] ? 'M': 'm';
1304
1305         togglestat[p] = '\0';
1306 }
1307
1308 static void
1309 getpagestat(Client *c) {
1310         const char *uri = geturi(c);
1311
1312         if(strstr(uri, "https://") == uri) {
1313                 pagestat[0] = c->sslfailed ? 'U' : 'T';
1314         } else {
1315                 pagestat[0] = '-';
1316         }
1317
1318         pagestat[1] = usingproxy ? 'P' : '-';
1319         pagestat[2] = '\0';
1320
1321 }
1322
1323 static void
1324 updatetitle(Client *c) {
1325         char *t;
1326
1327         if(showindicators) {
1328                 gettogglestat(c);
1329                 getpagestat(c);
1330
1331                 if(c->linkhover) {
1332                         t = g_strdup_printf("%s:%s | %s", togglestat,
1333                                         pagestat, c->linkhover);
1334                 } else if(c->progress != 100) {
1335                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1336                                         togglestat, pagestat, c->title);
1337                 } else {
1338                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1339                                         c->title);
1340                 }
1341
1342                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1343                 g_free(t);
1344         } else {
1345                 gtk_window_set_title(GTK_WINDOW(c->win), c->title);
1346         }
1347 }
1348
1349 static void
1350 updatewinid(Client *c) {
1351         snprintf(winid, LENGTH(winid), "%u",
1352                         (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
1353 }
1354
1355 static void
1356 usage(void) {
1357         die("usage: %s [-bBfFgGiIkKnNpPsSvx]"
1358                 " [-a cookiepolicies ] "
1359                 " [-c cookiefile] [-e xid] [-r scriptfile]"
1360                 " [-t stylefile] [-u useragent] [-z zoomlevel]"
1361                 " [uri]\n", basename(argv0));
1362 }
1363
1364 static void
1365 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1366                 JSObjectRef win, Client *c) {
1367         runscript(frame);
1368 }
1369
1370 static void
1371 zoom(Client *c, const Arg *arg) {
1372         c->zoomed = TRUE;
1373         if(arg->i < 0) {
1374                 /* zoom out */
1375                 webkit_web_view_zoom_out(c->view);
1376         } else if(arg->i > 0) {
1377                 /* zoom in */
1378                 webkit_web_view_zoom_in(c->view);
1379         } else {
1380                 /* reset */
1381                 c->zoomed = FALSE;
1382                 webkit_web_view_set_zoom_level(c->view, 1.0);
1383         }
1384 }
1385
1386 int
1387 main(int argc, char *argv[]) {
1388         Arg arg;
1389
1390         memset(&arg, 0, sizeof(arg));
1391
1392         /* command line args */
1393         ARGBEGIN {
1394         case 'b':
1395                 enablescrollbars = 0;
1396                 break;
1397         case 'B':
1398                 enablescrollbars = 1;
1399                 break;
1400         case 'c':
1401                 cookiefile = EARGF(usage());
1402                 break;
1403         case 'e':
1404                 embed = strtol(EARGF(usage()), NULL, 0);
1405                 break;
1406         case 'f':
1407                 runinfullscreen = 1;
1408                 break;
1409         case 'F':
1410                 runinfullscreen = 0;
1411                 break;
1412         case 'g':
1413                 allowgeolocation = 0;
1414                 break;
1415         case 'G':
1416                 allowgeolocation = 1;
1417                 break;
1418         case 'i':
1419                 loadimages = 0;
1420                 break;
1421         case 'I':
1422                 loadimages = 1;
1423                 break;
1424         case 'k':
1425                 kioskmode = 0;
1426                 break;
1427         case 'K':
1428                 kioskmode = 1;
1429                 break;
1430         case 'n':
1431                 enableinspector = 0;
1432                 break;
1433         case 'N':
1434                 enableinspector = 1;
1435                 break;
1436         case 'p':
1437                 enableplugins = 0;
1438                 break;
1439         case 'P':
1440                 enableplugins = 1;
1441                 break;
1442         case 'r':
1443                 scriptfile = EARGF(usage());
1444                 break;
1445         case 's':
1446                 enablescripts = 0;
1447                 break;
1448         case 'S':
1449                 enablescripts = 1;
1450                 break;
1451         case 't':
1452                 stylefile = EARGF(usage());
1453                 break;
1454         case 'u':
1455                 useragent = EARGF(usage());
1456                 break;
1457         case 'v':
1458                 die("surf-"VERSION", ©2009-2012 surf engineers, "
1459                                 "see LICENSE for details\n");
1460         case 'x':
1461                 showxid = TRUE;
1462                 break;
1463         case 'z':
1464                 zoomlevel = strtof(EARGF(usage()), NULL);
1465                 break;
1466         default:
1467                 usage();
1468         } ARGEND;
1469         if(argc > 0)
1470                 arg.v = argv[0];
1471
1472         setup();
1473         newclient();
1474         if(arg.v)
1475                 loaduri(clients, &arg);
1476
1477         gtk_main();
1478         cleanup();
1479
1480         return EXIT_SUCCESS;
1481 }
1482