surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <signal.h>
   6 #include <X11/X.h>
   7 #include <X11/Xatom.h>
   8 #include <gtk/gtkx.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 <webkit2/webkit2.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 #include <regex.h>
  27 #include <pwd.h>
  28 #include <string.h>
  29
  30 #include "arg.h"
  31
  32 char *argv0;
  33
  34 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
  35 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  36
  37 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  38
  39 enum {
  40         OnDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  41         OnLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  42         OnImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  43         OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  44         OnEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  45         OnBar   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
  46         OnSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  47         OnAny   = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
  48 };
  49
  50 enum {
  51         CaretBrowsing,
  52         FrameFlattening,
  53         Geolocation,
  54         JavaScript,
  55         LoadImages,
  56         Plugins,
  57         ScrollBars,
  58 };
  59
  60 typedef union Arg Arg;
  61 union Arg {
  62         gboolean b;
  63         gint i;
  64         const void *v;
  65 };
  66
  67 typedef struct Client {
  68         GtkWidget *win;
  69         Window xid;
  70         WebKitWebView *view;
  71         WebKitWebInspector *inspector;
  72         WebKitFindController *finder;
  73         WebKitHitTestResult *mousepos;
  74         GTlsCertificateFlags tlsflags;
  75         const char *title, *targeturi;
  76         const char *needle;
  77         gint progress;
  78         struct Client *next;
  79         gboolean fullscreen;
  80 } Client;
  81
  82 typedef struct {
  83         guint mod;
  84         guint keyval;
  85         void (*func)(Client *c, const Arg *arg);
  86         const Arg arg;
  87 } Key;
  88
  89 typedef struct {
  90         unsigned int target;
  91         unsigned int mask;
  92         guint button;
  93         void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
  94         const Arg arg;
  95         unsigned int stopevent;
  96 } Button;
  97
  98 typedef struct {
  99         char *regex;
 100         char *style;
 101         regex_t re;
 102 } SiteStyle;
 103
 104 static Display *dpy;
 105 static Atom atoms[AtomLast];
 106 static Client *clients = NULL;
 107 static Window embed = 0;
 108 static gboolean showxid = FALSE;
 109 static char winid[64];
 110 static char togglestat[9];
 111 static char pagestat[3];
 112 static GTlsDatabase *tlsdb;
 113 static int cookiepolicy;
 114 static char *stylefile = NULL;
 115
 116 static void addaccelgroup(Client *c);
 117 static char *buildfile(const char *path);
 118 static char *buildpath(const char *path);
 119 static gboolean buttonreleased(GtkWidget *w, GdkEventKey *e, Client *c);
 120 static void cleanup(void);
 121 static void clipboard(Client *c, const Arg *a);
 122
 123 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 124 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 125
 126 static char *copystr(char **str, const char *src);
 127 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
 128                 Client *c);
 129 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 130     WebKitPolicyDecisionType dt, Client *c);
 131 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
 132 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
 133 static void decideresource(WebKitPolicyDecision *d, Client *c);
 134 static void closeview(WebKitWebView *v, Client *c);
 135 static void destroyclient(Client *c);
 136 static void destroywin(GtkWidget* w, Client *c);
 137 static void die(const char *errstr, ...);
 138 static void evalscript(Client *c, const char *jsstr, ...);
 139 static void runscript(Client *c);
 140 static void find(Client *c, const Arg *a);
 141 static void togglefullscreen(Client *c, const Arg *a);
 142 static gboolean permissionrequested(WebKitWebView *v,
 143                 WebKitPermissionRequest *r, Client *c);
 144 static const char *getatom(Client *c, int a);
 145 static void gettogglestat(Client *c);
 146 static void getpagestat(Client *c);
 147 static char *geturi(Client *c);
 148 static const gchar *getstyle(const char *uri);
 149 static void setstyle(Client *c, const char *stylefile);
 150
 151 static void handleplumb(Client *c, const gchar *uri);
 152
 153 static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
 154                 Client *c);
 155 static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
 156 static void download(Client *c, WebKitURIResponse *r);
 157
 158 static void toggleinspector(Client *c, const Arg *a);
 159
 160 static gboolean keypress(GtkAccelGroup *group, GObject *obj, guint key,
 161                          GdkModifierType mods, Client *c);
 162 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
 163                 guint modifiers, Client *c);
 164 static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
 165 static void loaduri(Client *c, const Arg *arg);
 166 static void navigate(Client *c, const Arg *a);
 167 static void clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h);
 168 static Client *newclient(Client *c);
 169 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 170 static void showview(WebKitWebView *v, Client *c);
 171 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 172 static GtkWidget *createwindow(Client *c);
 173 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 174 static void print(Client *c, const Arg *a);
 175 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 176                                 gpointer d);
 177 static gboolean winevent(GtkWidget *w, GdkEvent *e, Client *c);
 178 static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
 179 static void clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h);
 180 static void reload(Client *c, const Arg *arg);
 181 static void scroll_h(Client *c, const Arg *a);
 182 static void scroll_v(Client *c, const Arg *a);
 183 static void setatom(Client *c, int a, const char *v);
 184 static void setup(void);
 185 static void sigchld(int unused);
 186 static void spawn(Client *c, const Arg *arg);
 187 static void stop(Client *c, const Arg *arg);
 188 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
 189 static void toggle(Client *c, const Arg *a);
 190 static void togglecookiepolicy(Client *c, const Arg *arg);
 191 static void togglestyle(Client *c, const Arg *arg);
 192 static void updatetitle(Client *c);
 193 static void updatewinid(Client *c);
 194 static void usage(void);
 195 static void zoom(Client *c, const Arg *a);
 196
 197 /* configuration, allows nested code to access above variables */
 198 #include "config.h"
 199
 200 void
 201 addaccelgroup(Client *c)
 202 {
 203         int i;
 204         GtkAccelGroup *group = gtk_accel_group_new();
 205         GClosure *closure;
 206
 207         for (i = 0; i < LENGTH(keys); i++) {
 208                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 209                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod, 0,
 210                                         closure);
 211         }
 212         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 213 }
 214
 215 char *
 216 buildfile(const char *path)
 217 {
 218         char *dname, *bname, *bpath, *fpath;
 219         FILE *f;
 220
 221         dname = g_path_get_dirname(path);
 222         bname = g_path_get_basename(path);
 223
 224         bpath = buildpath(dname);
 225         g_free(dname);
 226
 227         fpath = g_build_filename(bpath, bname, NULL);
 228         g_free(bpath);
 229         g_free(bname);
 230
 231         if (!(f = fopen(fpath, "a")))
 232                 die("Could not open file: %s\n", fpath);
 233
 234         g_chmod(fpath, 0600); /* always */
 235         fclose(f);
 236
 237         return fpath;
 238 }
 239
 240 char *
 241 buildpath(const char *path)
 242 {
 243         struct passwd *pw;
 244         char *apath, *name, *p, *fpath;
 245
 246         if (path[0] == '~') {
 247                 if (path[1] == '/' || path[1] == '\0') {
 248                         p = (char *)&path[1];
 249                         pw = getpwuid(getuid());
 250                 } else {
 251                         if ((p = strchr(path, '/')))
 252                                 name = g_strndup(&path[1], --p - path);
 253                         else
 254                                 name = g_strdup(&path[1]);
 255
 256                         if (!(pw = getpwnam(name))) {
 257                                 die("Can't get user %s home directory: %s.\n",
 258                                     name, path);
 259                         }
 260                         g_free(name);
 261                 }
 262                 apath = g_build_filename(pw->pw_dir, p, NULL);
 263         } else {
 264                 apath = g_strdup(path);
 265         }
 266
 267         /* creating directory */
 268         if (g_mkdir_with_parents(apath, 0700) < 0)
 269                 die("Could not access directory: %s\n", apath);
 270
 271         fpath = realpath(apath, NULL);
 272         g_free(apath);
 273
 274         return fpath;
 275 }
 276
 277 gboolean
 278 buttonreleased(GtkWidget *w, GdkEventKey *e, Client *c)
 279 {
 280         WebKitHitTestResultContext element;
 281         GdkEventButton *eb = (GdkEventButton*)e;
 282         int i;
 283
 284         element = webkit_hit_test_result_get_context(c->mousepos);
 285
 286         for (i = 0; i < LENGTH(buttons); ++i) {
 287                 if (element & buttons[i].target &&
 288                     eb->button == buttons[i].button &&
 289                     CLEANMASK(eb->state) == CLEANMASK(buttons[i].mask) &&
 290                     buttons[i].func) {
 291                         buttons[i].func(c, &buttons[i].arg, c->mousepos);
 292                         return buttons[i].stopevent;
 293                 }
 294         }
 295
 296         return FALSE;
 297 }
 298
 299 void
 300 cleanup(void)
 301 {
 302         while (clients)
 303                 destroyclient(clients);
 304         g_free(cookiefile);
 305         g_free(scriptfile);
 306         g_free(stylefile);
 307         g_free(cachedir);
 308 }
 309
 310 WebKitCookieAcceptPolicy
 311 cookiepolicy_get(void)
 312 {
 313         switch (cookiepolicies[cookiepolicy]) {
 314         case 'a':
 315                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 316         case '@':
 317                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 318         case 'A':
 319         default:
 320                 break;
 321         }
 322
 323         return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 324 }
 325
 326 char
 327 cookiepolicy_set(const WebKitCookieAcceptPolicy ep)
 328 {
 329         switch (ep) {
 330         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 331                 return 'a';
 332         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 333                 return '@';
 334         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 335         default:
 336                 break;
 337         }
 338
 339         return 'A';
 340 }
 341
 342 void
 343 evalscript(Client *c, const char *jsstr, ...)
 344 {
 345         va_list ap;
 346         gchar *script;
 347
 348         va_start(ap, jsstr);
 349         script = g_strdup_vprintf(jsstr, ap);
 350         va_end(ap);
 351
 352         webkit_web_view_run_javascript(c->view, script, NULL, NULL, NULL);
 353         g_free(script);
 354 }
 355
 356 void
 357 runscript(Client *c)
 358 {
 359         gchar *script;
 360         gsize l;
 361
 362         if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
 363                 evalscript(c, script);
 364         g_free(script);
 365 }
 366
 367 void
 368 clipboard(Client *c, const Arg *a)
 369 {
 370         if (a->b) { /* load clipboard uri */
 371                 gtk_clipboard_request_text(gtk_clipboard_get(
 372                                            GDK_SELECTION_PRIMARY),
 373                                            pasteuri, c);
 374         } else { /* copy uri */
 375                 gtk_clipboard_set_text(gtk_clipboard_get(
 376                                        GDK_SELECTION_PRIMARY), c->targeturi
 377                                        ? c->targeturi : geturi(c), -1);
 378         }
 379 }
 380
 381 char *
 382 copystr(char **str, const char *src)
 383 {
 384         char *tmp;
 385         tmp = g_strdup(src);
 386
 387         if (str && *str) {
 388                 g_free(*str);
 389                 *str = tmp;
 390         }
 391         return tmp;
 392 }
 393
 394 GtkWidget *
 395 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
 396 {
 397         Client *n;
 398
 399         switch (webkit_navigation_action_get_navigation_type(a)) {
 400         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 401                 /*
 402                  * popup windows of type “other” are almost always triggered
 403                  * by user gesture, so inverse the logic here
 404                  */
 405 /* instead of this, compare destination uri to mouse-over uri for validating window */
 406                 if (webkit_navigation_action_is_user_gesture(a)) {
 407                         return NULL;
 408                         break;
 409                 }
 410         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 411         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 412         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 413         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 414         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 415                 n = newclient(c);
 416                 break;
 417         default:
 418                 return NULL;
 419                 break;
 420         }
 421
 422         return GTK_WIDGET(n->view);
 423 }
 424
 425 gboolean
 426 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 427     WebKitPolicyDecisionType dt, Client *c)
 428 {
 429         switch (dt) {
 430         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
 431                 decidenavigation(d, c);
 432                 break;
 433         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
 434                 decidenewwindow(d, c);
 435                 break;
 436         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 437                 decideresource(d, c);
 438                 break;
 439         default:
 440                 webkit_policy_decision_ignore(d);
 441                 break;
 442         }
 443         return TRUE;
 444 }
 445
 446 void
 447 decidenavigation(WebKitPolicyDecision *d, Client *c)
 448 {
 449         WebKitNavigationAction *a;
 450
 451         a = webkit_navigation_policy_decision_get_navigation_action(
 452             WEBKIT_NAVIGATION_POLICY_DECISION(d));
 453
 454         switch (webkit_navigation_action_get_navigation_type(a)) {
 455         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 456         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 457         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 458         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 459         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 460         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 461         default:
 462                 /* Do not navigate to links with a "_blank" target (popup) */
 463                 if (webkit_navigation_policy_decision_get_frame_name(
 464                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
 465                         webkit_policy_decision_ignore(d);
 466                 } else {
 467                         /* Filter out navigation to different domain ? */
 468                         /* get action→urirequest, copy and load in new window+view
 469                          * on Ctrl+Click ? */
 470                         webkit_policy_decision_use(d);
 471                 }
 472                 break;
 473         }
 474 }
 475
 476 void
 477 decidenewwindow(WebKitPolicyDecision *d, Client *c)
 478 {
 479         WebKitNavigationAction *a;
 480         Arg arg;
 481
 482         a = webkit_navigation_policy_decision_get_navigation_action(
 483             WEBKIT_NAVIGATION_POLICY_DECISION(d));
 484
 485         switch (webkit_navigation_action_get_navigation_type(a)) {
 486         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 487         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 488         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 489         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 490         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 491                 /* Filter domains here */
 492 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
 493  * test for link clicked but no button ? */
 494                 arg.v = webkit_uri_request_get_uri(
 495                     webkit_navigation_action_get_request(a));
 496                 newwindow(c, &arg, 0);
 497                 break;
 498         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 499         default:
 500                 break;
 501         }
 502
 503         webkit_policy_decision_ignore(d);
 504 }
 505
 506 void
 507 decideresource(WebKitPolicyDecision *d, Client *c)
 508 {
 509         const gchar *uri;
 510         int i, isascii = 1;
 511         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
 512         WebKitURIResponse *res;
 513
 514         res = webkit_response_policy_decision_get_response(r);
 515         uri = webkit_uri_response_get_uri(res);
 516
 517         if (g_str_has_suffix(uri, "/favicon.ico"))
 518                 webkit_uri_request_set_uri(
 519                     webkit_response_policy_decision_get_request(r),
 520                     "about:blank");
 521
 522         if (!g_str_has_prefix(uri, "http://")
 523             && !g_str_has_prefix(uri, "https://")
 524             && !g_str_has_prefix(uri, "about:")
 525             && !g_str_has_prefix(uri, "file://")
 526             && !g_str_has_prefix(uri, "data:")
 527             && !g_str_has_prefix(uri, "blob:")
 528             && strlen(uri) > 0) {
 529                 for (i = 0; i < strlen(uri); i++) {
 530                         if (!g_ascii_isprint(uri[i])) {
 531                                 isascii = 0;
 532                                 break;
 533                         }
 534                 }
 535                 if (isascii) {
 536                         handleplumb(c, uri);
 537                         webkit_policy_decision_ignore(d);
 538                 }
 539         }
 540
 541         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
 542                 webkit_policy_decision_use(d);
 543         } else {
 544                 webkit_policy_decision_ignore(d);
 545                 download(c, res);
 546         }
 547 }
 548
 549 void
 550 destroyclient(Client *c)
 551 {
 552         Client *p;
 553
 554         webkit_web_view_stop_loading(c->view);
 555         /* Not needed, has already been called
 556         gtk_widget_destroy(c->win);
 557          */
 558
 559         for (p = clients; p && p->next != c; p = p->next)
 560                 ;
 561         if (p)
 562                 p->next = c->next;
 563         else
 564                 clients = c->next;
 565         free(c);
 566 }
 567
 568 void
 569 closeview(WebKitWebView *v, Client *c)
 570 {
 571         gtk_widget_destroy(c->win);
 572 }
 573
 574 void
 575 destroywin(GtkWidget* w, Client *c)
 576 {
 577         destroyclient(c);
 578         if (clients == NULL)
 579                 gtk_main_quit();
 580 }
 581
 582 void
 583 die(const char *errstr, ...)
 584 {
 585         va_list ap;
 586
 587         va_start(ap, errstr);
 588         vfprintf(stderr, errstr, ap);
 589         va_end(ap);
 590         exit(EXIT_FAILURE);
 591 }
 592
 593 void
 594 find(Client *c, const Arg *a)
 595 {
 596         const char *s, *f;
 597
 598         if (a && a->i) {
 599                 if (a->i > 0)
 600                         webkit_find_controller_search_next(c->finder);
 601                 else
 602                         webkit_find_controller_search_previous(c->finder);
 603         } else {
 604                 s = getatom(c, AtomFind);
 605                 f = webkit_find_controller_get_search_text(c->finder);
 606
 607                 if (g_strcmp0(f, s) == 0) /* reset search */
 608                         webkit_find_controller_search(c->finder, "", findopts, G_MAXUINT);
 609
 610                 webkit_find_controller_search(c->finder, s, findopts, G_MAXUINT);
 611
 612                 if (strcmp(s, "") == 0)
 613                         webkit_find_controller_search_finish(c->finder);
 614         }
 615 }
 616
 617 void
 618 togglefullscreen(Client *c, const Arg *a)
 619 {
 620         /* toggling value is handled in winevent() */
 621         if (c->fullscreen)
 622                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 623         else
 624                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 625 }
 626
 627 gboolean
 628 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
 629 {
 630         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
 631                 if (allowgeolocation)
 632                         webkit_permission_request_allow(r);
 633                 else
 634                         webkit_permission_request_deny(r);
 635                 return TRUE;
 636         }
 637
 638         return FALSE;
 639 }
 640
 641 const char *
 642 getatom(Client *c, int a)
 643 {
 644         static char buf[BUFSIZ];
 645         Atom adummy;
 646         int idummy;
 647         unsigned long ldummy;
 648         unsigned char *p = NULL;
 649
 650         XGetWindowProperty(dpy, c->xid,
 651                            atoms[a], 0L, BUFSIZ, False, XA_STRING,
 652                            &adummy, &idummy, &ldummy, &ldummy, &p);
 653         if (p)
 654                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 655         else
 656                 buf[0] = '\0';
 657         XFree(p);
 658
 659         return buf;
 660 }
 661
 662 char *
 663 geturi(Client *c)
 664 {
 665         char *uri;
 666
 667         if (!(uri = (char *)webkit_web_view_get_uri(c->view)))
 668                 uri = "about:blank";
 669         return uri;
 670 }
 671
 672 const gchar *
 673 getstyle(const char *uri)
 674 {
 675         int i;
 676
 677         if (stylefile != NULL)
 678                 return stylefile;
 679
 680         for (i = 0; i < LENGTH(styles); i++) {
 681                 if (styles[i].regex && !regexec(&(styles[i].re), uri, 0,
 682                     NULL, 0))
 683                         return styles[i].style;
 684         }
 685
 686         return "";
 687 }
 688
 689 void
 690 setstyle(Client *c, const char *stylefile)
 691 {
 692         gchar *style;
 693
 694         if (!g_file_get_contents(stylefile, &style, NULL, NULL)) {
 695                 fprintf(stderr, "Could not read style file: %s\n", stylefile);
 696                 return;
 697         }
 698
 699         webkit_user_content_manager_add_style_sheet(
 700             webkit_web_view_get_user_content_manager(c->view),
 701             webkit_user_style_sheet_new(style,
 702             WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 703             WEBKIT_USER_STYLE_LEVEL_USER,
 704             NULL, NULL));
 705
 706         g_free(style);
 707 }
 708
 709 void
 710 handleplumb(Client *c, const gchar *uri)
 711 {
 712         Arg arg;
 713
 714         arg = (Arg)PLUMB(uri);
 715         spawn(c, &arg);
 716 }
 717
 718 void
 719 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
 720 {
 721         g_signal_connect(G_OBJECT(d), "notify::response",
 722             G_CALLBACK(responsereceived), c);
 723 }
 724
 725 void
 726 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
 727 {
 728         download(c, webkit_download_get_response(d));
 729         webkit_download_cancel(d);
 730 }
 731
 732 void
 733 download(Client *c, WebKitURIResponse *r)
 734 {
 735         Arg a;
 736
 737         a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
 738         spawn(c, &a);
 739 }
 740
 741 void
 742 toggleinspector(Client *c, const Arg *a)
 743 {
 744         if (enableinspector) {
 745                 if (webkit_web_inspector_is_attached(c->inspector))
 746                         webkit_web_inspector_close(c->inspector);
 747                 else
 748                         webkit_web_inspector_show(c->inspector);
 749         }
 750 }
 751
 752 gboolean
 753 keypress(GtkAccelGroup *group, GObject *obj, guint key, GdkModifierType mods,
 754          Client *c)
 755 {
 756         guint i;
 757         gboolean processed = FALSE;
 758
 759         mods = CLEANMASK(mods);
 760         key = gdk_keyval_to_lower(key);
 761         updatewinid(c);
 762         for (i = 0; i < LENGTH(keys); i++) {
 763                 if (key == keys[i].keyval
 764                     && mods == keys[i].mod
 765                     && keys[i].func) {
 766                         keys[i].func(c, &(keys[i].arg));
 767                         processed = TRUE;
 768                 }
 769         }
 770
 771         return processed;
 772 }
 773
 774 void
 775 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
 776     Client *c)
 777 {
 778         WebKitHitTestResultContext hc;
 779
 780         /* Keep the hit test to know where is the pointer on the next click */
 781         c->mousepos = h;
 782
 783         hc = webkit_hit_test_result_get_context(h);
 784
 785         if (hc & OnLink)
 786                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
 787         else if (hc & OnImg)
 788                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
 789         else if (hc & OnMedia)
 790                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
 791         else
 792                 c->targeturi = NULL;
 793         updatetitle(c);
 794 }
 795
 796 void
 797 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
 798 {
 799         switch (e) {
 800         case WEBKIT_LOAD_STARTED:
 801                 c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 802                 break;
 803         case WEBKIT_LOAD_REDIRECTED:
 804                 setatom(c, AtomUri, geturi(c));
 805                 break;
 806         case WEBKIT_LOAD_COMMITTED:
 807                 if (!webkit_web_view_get_tls_info(c->view, NULL, &(c->tlsflags)))
 808                         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 809
 810                 setatom(c, AtomUri, geturi(c));
 811
 812                 if (enablestyle)
 813                         setstyle(c, getstyle(geturi(c)));
 814                 break;
 815         case WEBKIT_LOAD_FINISHED:
 816                 /* Disabled until we write some WebKitWebExtension for
 817                  * manipulating the DOM directly.
 818                 evalscript(c, "document.documentElement.style.overflow = '%s'",
 819                     enablescrollbars ? "auto" : "hidden");
 820                 */
 821                 runscript(c);
 822                 break;
 823         }
 824         updatetitle(c);
 825 }
 826
 827 void
 828 loaduri(Client *c, const Arg *arg)
 829 {
 830         char *u = NULL, *rp;
 831         const char *uri = (char *)arg->v;
 832         Arg a = { .b = FALSE };
 833         struct stat st;
 834
 835         if (strcmp(uri, "") == 0)
 836                 return;
 837
 838         /* In case it's a file path. */
 839         if (stat(uri, &st) == 0) {
 840                 rp = realpath(uri, NULL);
 841                 u = g_strdup_printf("file://%s", rp);
 842                 free(rp);
 843         } else {
 844                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 845                     : g_strdup_printf("http://%s", uri);
 846         }
 847
 848         setatom(c, AtomUri, uri);
 849
 850         /* prevents endless loop */
 851         if (strcmp(u, geturi(c)) == 0) {
 852                 reload(c, &a);
 853         } else {
 854                 webkit_web_view_load_uri(c->view, u);
 855                 c->progress = 0;
 856                 c->title = copystr(&c->title, u);
 857                 updatetitle(c);
 858         }
 859         g_free(u);
 860 }
 861
 862 void
 863 navigate(Client *c, const Arg *a)
 864 {
 865         if (a->i < 0)
 866                 webkit_web_view_go_back(c->view);
 867         else if (a->i > 0)
 868                 webkit_web_view_go_forward(c->view);
 869 }
 870
 871 void
 872 clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h)
 873 {
 874         navigate(c, a);
 875 }
 876
 877 Client *
 878 newclient(Client *rc)
 879 {
 880         Client *c;
 881         gdouble dpi;
 882
 883         if (!(c = calloc(1, sizeof(Client))))
 884                 die("Cannot malloc!\n");
 885
 886         c->title = NULL;
 887         c->progress = 100;
 888
 889         c->next = clients;
 890         clients = c;
 891
 892         c->view = newview(c, rc ? rc->view : NULL);
 893         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 894
 895         return c;
 896 }
 897
 898 WebKitWebView *
 899 newview(Client *c, WebKitWebView *rv)
 900 {
 901         WebKitWebView *v;
 902         WebKitSettings *settings;
 903         WebKitUserContentManager *contentmanager;
 904         WebKitWebContext *context;
 905         char *ua;
 906
 907         /* Webview */
 908         if (rv) {
 909                 v = WEBKIT_WEB_VIEW(
 910                     webkit_web_view_new_with_related_view(rv));
 911         } else {
 912                 settings = webkit_settings_new_with_settings(
 913                     "auto-load-images", loadimages,
 914                     "default-font-size", defaultfontsize,
 915                     "enable-caret-browsing", enablecaretbrowsing,
 916                     "enable-developer-extras", enableinspector,
 917                     "enable-dns-prefetching", enablednsprefetching,
 918                     "enable-frame-flattening", enableframeflattening,
 919                     "enable-html5-database", enablecache,
 920                     "enable-html5-local-storage", enablecache,
 921                     "enable-javascript", enablescripts,
 922                     "enable-plugins", enableplugins,
 923                     NULL);
 924                 if (!(ua = getenv("SURF_USERAGENT")))
 925                         ua = useragent;
 926                 webkit_settings_set_user_agent(settings, ua);
 927                 /* Have a look at http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html
 928                  * for more interesting settings */
 929
 930                 contentmanager = webkit_user_content_manager_new();
 931
 932                 context = webkit_web_context_new_with_website_data_manager(
 933                     webkit_website_data_manager_new(
 934                     "base-cache-directory", cachedir,
 935                     "base-data-directory", cachedir,
 936                     NULL));
 937
 938                 /* rendering process model, can be a shared unique one or one for each
 939                  * view */
 940                 webkit_web_context_set_process_model(context,
 941                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
 942                 /* ssl */
 943                 webkit_web_context_set_tls_errors_policy(context, strictssl ?
 944                     WEBKIT_TLS_ERRORS_POLICY_FAIL : WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 945                 /* disk cache */
 946                 webkit_web_context_set_cache_model(context, enablecache ?
 947                     WEBKIT_CACHE_MODEL_WEB_BROWSER : WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 948
 949                 /* Currently only works with text file to be compatible with curl */
 950                 webkit_cookie_manager_set_persistent_storage(
 951                     webkit_web_context_get_cookie_manager(context), cookiefile,
 952                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
 953                 /* cookie policy */
 954                 webkit_cookie_manager_set_accept_policy(
 955                     webkit_web_context_get_cookie_manager(context),
 956                     cookiepolicy_get());
 957
 958                 g_signal_connect(G_OBJECT(context), "download-started",
 959                     G_CALLBACK(downloadstarted), c);
 960
 961                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
 962                     "settings", settings,
 963                     "user-content-manager", contentmanager,
 964                     "web-context", context,
 965                     NULL);
 966         }
 967
 968         g_signal_connect(G_OBJECT(v),
 969                          "notify::title",
 970                          G_CALLBACK(titlechanged), c);
 971         g_signal_connect(G_OBJECT(v),
 972                          "mouse-target-changed",
 973                          G_CALLBACK(mousetargetchanged), c);
 974         g_signal_connect(G_OBJECT(v),
 975                          "permission-request",
 976                          G_CALLBACK(permissionrequested), c);
 977         g_signal_connect(G_OBJECT(v),
 978                          "create",
 979                          G_CALLBACK(createview), c);
 980         g_signal_connect(G_OBJECT(v), "ready-to-show",
 981                          G_CALLBACK(showview), c);
 982         g_signal_connect(G_OBJECT(v),
 983                          "decide-policy",
 984                          G_CALLBACK(decidepolicy), c);
 985         g_signal_connect(G_OBJECT(v),
 986                          "load-changed",
 987                          G_CALLBACK(loadchanged), c);
 988         g_signal_connect(G_OBJECT(v),
 989                          "notify::estimated-load-progress",
 990                          G_CALLBACK(progresschanged), c);
 991         g_signal_connect(G_OBJECT(v),
 992                          "button-release-event",
 993                          G_CALLBACK(buttonreleased), c);
 994         g_signal_connect(G_OBJECT(v), "close",
 995                         G_CALLBACK(closeview), c);
 996
 997         return v;
 998 }
 999
1000 void
1001 showview(WebKitWebView *v, Client *c)
1002 {
1003         GdkGeometry hints = { 1, 1 };
1004         GdkRGBA bgcolor = { 0 };
1005         GdkWindow *gwin;
1006
1007         c->win = createwindow(c);
1008
1009         if (enableinspector)
1010                 c->inspector = webkit_web_view_get_inspector(c->view);
1011
1012         c->finder = webkit_web_view_get_find_controller(c->view);
1013
1014         if (!kioskmode)
1015                 addaccelgroup(c);
1016
1017         /* Arranging */
1018         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1019
1020         /* Setup */
1021         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1022         gtk_widget_show(GTK_WIDGET(c->view));
1023         gtk_widget_show(c->win);
1024         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1025         c->xid = gdk_x11_window_get_xid(gwin);
1026         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
1027                                       GDK_HINT_MIN_SIZE);
1028         gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1029         gdk_window_add_filter(gwin, processx, c);
1030
1031         if (zoomlevel != 1.0)
1032                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
1033
1034         if (runinfullscreen)
1035                 togglefullscreen(c, NULL);
1036
1037         setatom(c, AtomFind, "");
1038         setatom(c, AtomUri, "about:blank");
1039         if (hidebackground)
1040                 webkit_web_view_set_background_color(c->view, &bgcolor);
1041
1042         if (showxid) {
1043                 gdk_display_sync(gtk_widget_get_display(c->win));
1044                 printf("%lu\n", c->xid);
1045                 fflush(NULL);
1046                 if (fclose(stdout) != 0) {
1047                         die("Error closing stdout");
1048                 }
1049         }
1050 }
1051
1052 void
1053 newwindow(Client *c, const Arg *arg, gboolean noembed)
1054 {
1055         guint i = 0;
1056         const char *cmd[18], *uri;
1057         const Arg a = { .v = (void *)cmd };
1058         char tmp[64];
1059
1060         cmd[i++] = argv0;
1061         cmd[i++] = "-a";
1062         cmd[i++] = cookiepolicies;
1063         if (!enablescrollbars)
1064                 cmd[i++] = "-b";
1065         if (embed && !noembed) {
1066                 cmd[i++] = "-e";
1067                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1068                 cmd[i++] = tmp;
1069         }
1070         if (!allowgeolocation)
1071                 cmd[i++] = "-g";
1072         if (!loadimages)
1073                 cmd[i++] = "-i";
1074         if (kioskmode)
1075                 cmd[i++] = "-k";
1076         if (!enableplugins)
1077                 cmd[i++] = "-p";
1078         if (!enablescripts)
1079                 cmd[i++] = "-s";
1080         if (showxid)
1081                 cmd[i++] = "-x";
1082         if (enablecache)
1083                 cmd[i++] = "-D";
1084         cmd[i++] = "-c";
1085         cmd[i++] = cookiefile;
1086         cmd[i++] = "--";
1087         uri = arg->v ? (char *)arg->v : c->linkhover;
1088         if (uri)
1089                 cmd[i++] = uri;
1090         cmd[i++] = NULL;
1091         spawn(NULL, &a);
1092 }
1093
1094 GtkWidget *
1095 createwindow(Client *c)
1096 {
1097         GtkWidget *w;
1098
1099         if (embed) {
1100                 w = gtk_plug_new(embed);
1101         } else {
1102                 w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1103
1104                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
1105                  * is always correct, so we should still call this function.
1106                  * But when doing so, we *must* differentiate between a
1107                  * WM_CLASS and a resource on the window.  By convention, the
1108                  * window class (WM_CLASS) is capped, while the resource is in
1109                  * lowercase.   Both these values come as a pair.
1110                  */
1111                 gtk_window_set_wmclass(GTK_WINDOW(w), "surf", "Surf");
1112
1113                 /* TA:  20091214:  And set the role here as well -- so that
1114                  * sessions can pick this up.
1115                  */
1116                 gtk_window_set_role(GTK_WINDOW(w), "Surf");
1117
1118                 gtk_window_set_default_size(GTK_WINDOW(w), 800, 600);
1119         }
1120
1121         g_signal_connect(G_OBJECT(w), "destroy",
1122             G_CALLBACK(destroywin), c);
1123         g_signal_connect(G_OBJECT(w), "leave-notify-event",
1124             G_CALLBACK(winevent), c);
1125         g_signal_connect(G_OBJECT(w), "window-state-event",
1126             G_CALLBACK(winevent), c);
1127
1128         return w;
1129 }
1130
1131 void
1132 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1133 {
1134         Arg arg = {.v = text };
1135         if (text != NULL)
1136                 loaduri((Client *) d, &arg);
1137 }
1138
1139 void
1140 print(Client *c, const Arg *a)
1141 {
1142         webkit_print_operation_run_dialog(webkit_print_operation_new(c->view),
1143             GTK_WINDOW(c->win));
1144 }
1145
1146 GdkFilterReturn
1147 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1148 {
1149         Client *c = (Client *)d;
1150         XPropertyEvent *ev;
1151         Arg arg;
1152
1153         if (((XEvent *)e)->type == PropertyNotify) {
1154                 ev = &((XEvent *)e)->xproperty;
1155                 if (ev->state == PropertyNewValue) {
1156                         if (ev->atom == atoms[AtomFind]) {
1157                                 find(c, NULL);
1158
1159                                 return GDK_FILTER_REMOVE;
1160                         } else if (ev->atom == atoms[AtomGo]) {
1161                                 arg.v = getatom(c, AtomGo);
1162                                 loaduri(c, &arg);
1163
1164                                 return GDK_FILTER_REMOVE;
1165                         }
1166                 }
1167         }
1168         return GDK_FILTER_CONTINUE;
1169 }
1170
1171 void
1172 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1173 {
1174         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1175             100;
1176         updatetitle(c);
1177 }
1178
1179 void
1180 clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h)
1181 {
1182         Arg arg;
1183
1184         arg.v = webkit_hit_test_result_get_link_uri(h);
1185         newwindow(c, &arg, a->b);
1186 }
1187
1188 void
1189 reload(Client *c, const Arg *arg)
1190 {
1191         gboolean nocache = *(gboolean *)arg;
1192         if (nocache)
1193                 webkit_web_view_reload_bypass_cache(c->view);
1194         else
1195                 webkit_web_view_reload(c->view);
1196 }
1197
1198 void
1199 scroll_h(Client *c, const Arg *a)
1200 {
1201         evalscript(c, "window.scrollBy(%d * (window.innerWidth / 100), 0)",
1202             a->i);
1203 }
1204
1205 void
1206 scroll_v(Client *c, const Arg *a)
1207 {
1208         evalscript(c, "window.scrollBy(0, %d * (window.innerHeight / 100))",
1209             a->i);
1210 }
1211
1212 void
1213 setatom(Client *c, int a, const char *v)
1214 {
1215         XSync(dpy, False);
1216         XChangeProperty(dpy, c->xid,
1217                         atoms[a], XA_STRING, 8, PropModeReplace,
1218                         (unsigned char *)v, strlen(v) + 1);
1219 }
1220
1221 void
1222 setup(void)
1223 {
1224         int i;
1225         WebKitWebContext *context;
1226         GError *error = NULL;
1227
1228         /* clean up any zombies immediately */
1229         sigchld(0);
1230         gtk_init(NULL, NULL);
1231
1232         dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
1233
1234         /* atoms */
1235         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1236         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1237         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1238
1239         /* dirs and files */
1240         cookiefile = buildfile(cookiefile);
1241         scriptfile = buildfile(scriptfile);
1242         cachedir   = buildpath(cachedir);
1243
1244         if (stylefile == NULL) {
1245                 styledir = buildpath(styledir);
1246                 for (i = 0; i < LENGTH(styles); i++) {
1247                         if (regcomp(&(styles[i].re), styles[i].regex,
1248                             REG_EXTENDED)) {
1249                                 fprintf(stderr,
1250                                         "Could not compile regex: %s\n",
1251                                         styles[i].regex);
1252                                 styles[i].regex = NULL;
1253                         }
1254                         styles[i].style = g_strconcat(styledir, "/",
1255                             styles[i].style, NULL);
1256                 }
1257                 g_free(styledir);
1258         } else {
1259                 stylefile = buildfile(stylefile);
1260         }
1261 }
1262
1263 void
1264 sigchld(int unused)
1265 {
1266         if (signal(SIGCHLD, sigchld) == SIG_ERR)
1267                 die("Can't install SIGCHLD handler");
1268         while (0 < waitpid(-1, NULL, WNOHANG));
1269 }
1270
1271 void
1272 spawn(Client *c, const Arg *arg)
1273 {
1274         if (fork() == 0) {
1275                 if (dpy)
1276                         close(ConnectionNumber(dpy));
1277                 setsid();
1278                 execvp(((char **)arg->v)[0], (char **)arg->v);
1279                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1280                 perror(" failed");
1281                 exit(0);
1282         }
1283 }
1284
1285 void
1286 stop(Client *c, const Arg *arg)
1287 {
1288         webkit_web_view_stop_loading(c->view);
1289 }
1290
1291 void
1292 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1293 {
1294         c->title = webkit_web_view_get_title(c->view);
1295         updatetitle(c);
1296 }
1297
1298 gboolean
1299 winevent(GtkWidget *w, GdkEvent *e, Client *c)
1300 {
1301         switch (e->type) {
1302         case GDK_LEAVE_NOTIFY:
1303                 c->targeturi = NULL;
1304                 updatetitle(c);
1305                 break;
1306         case GDK_WINDOW_STATE: /* fallthrough */
1307                 if (e->window_state.changed_mask ==
1308                     GDK_WINDOW_STATE_FULLSCREEN) {
1309                         c->fullscreen = e->window_state.new_window_state &
1310                             GDK_WINDOW_STATE_FULLSCREEN;
1311                         break;
1312                 }
1313         default:
1314                 return FALSE;
1315         }
1316
1317         return TRUE;
1318 }
1319
1320 void
1321 toggle(Client *c, const Arg *a)
1322 {
1323         WebKitSettings *s;
1324
1325         s = webkit_web_view_get_settings(c->view);
1326
1327         switch ((unsigned int)a->i) {
1328         case CaretBrowsing:
1329                 enablecaretbrowsing = !enablecaretbrowsing;
1330                 webkit_settings_set_enable_caret_browsing(s,
1331                     enablecaretbrowsing);
1332                 updatetitle(c);
1333                 return; /* do not reload */
1334                 break;
1335         case FrameFlattening:
1336                 enableframeflattening = !enableframeflattening;
1337                 webkit_settings_set_enable_frame_flattening(s,
1338                     enableframeflattening);
1339                 break;
1340         case Geolocation:
1341                 allowgeolocation = !allowgeolocation;
1342                 break;
1343         case JavaScript:
1344                 enablescripts = !enablescripts;
1345                 webkit_settings_set_enable_javascript(s, enablescripts);
1346                 break;
1347         case LoadImages:
1348                 loadimages = !loadimages;
1349                 webkit_settings_set_auto_load_images(s, loadimages);
1350                 break;
1351         case Plugins:
1352                 enableplugins = !enableplugins;
1353                 webkit_settings_set_enable_plugins(s, enableplugins);
1354                 break;
1355         case ScrollBars:
1356                 /* Disabled until we write some WebKitWebExtension for
1357                  * manipulating the DOM directly.
1358                 enablescrollbars = !enablescrollbars;
1359                 evalscript(c, "document.documentElement.style.overflow = '%s'",
1360                     enablescrollbars ? "auto" : "hidden");
1361                 */
1362                 return; /* do not reload */
1363                 break;
1364         default:
1365                 break;
1366         }
1367         reload(c, a);
1368 }
1369
1370 void
1371 togglecookiepolicy(Client *c, const Arg *arg)
1372 {
1373         ++cookiepolicy;
1374         cookiepolicy %= strlen(cookiepolicies);
1375
1376         webkit_cookie_manager_set_accept_policy(
1377             webkit_web_context_get_cookie_manager(
1378             webkit_web_view_get_context(c->view)),
1379             cookiepolicy_get());
1380
1381         updatetitle(c);
1382         /* Do not reload. */
1383 }
1384
1385 void
1386 togglestyle(Client *c, const Arg *arg)
1387 {
1388         enablestyle = !enablestyle;
1389         setstyle(c, enablestyle ? getstyle(geturi(c)) : "");
1390
1391         updatetitle(c);
1392 }
1393
1394 void
1395 gettogglestat(Client *c)
1396 {
1397         gboolean value;
1398         int p = 0;
1399         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1400
1401         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1402
1403         g_object_get(G_OBJECT(settings), "enable-caret-browsing", &value,
1404                      NULL);
1405         togglestat[p++] = value? 'C': 'c';
1406
1407         togglestat[p++] = allowgeolocation? 'G': 'g';
1408
1409         togglestat[p++] = enablecache? 'D': 'd';
1410
1411         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1412         togglestat[p++] = value? 'I': 'i';
1413
1414         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1415         togglestat[p++] = value? 'S': 's';
1416
1417         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1418         togglestat[p++] = value? 'V': 'v';
1419
1420         togglestat[p++] = enablestyle ? 'M': 'm';
1421
1422         togglestat[p] = '\0';
1423 }
1424
1425 void
1426 getpagestat(Client *c)
1427 {
1428         const char *uri = geturi(c);
1429
1430         pagestats[0] = c->tlsflags > G_TLS_CERTIFICATE_VALIDATE_ALL ? '-' :
1431             c->tlsflags > 0 ? 'U' : 'T';
1432         pagestat[1] = '\0';
1433 }
1434
1435 void
1436 updatetitle(Client *c)
1437 {
1438         char *t;
1439
1440         if (showindicators) {
1441                 gettogglestat(c);
1442                 getpagestat(c);
1443
1444                 if (c->linkhover) {
1445                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1446                                             c->linkhover);
1447                 } else if (c->progress != 100) {
1448                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1449                                             togglestat, pagestat,
1450                                             c->title == NULL ? "" : c->title);
1451                 } else {
1452                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1453                                             c->title == NULL ? "" : c->title);
1454                 }
1455
1456                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1457                 g_free(t);
1458         } else {
1459                 gtk_window_set_title(GTK_WINDOW(c->win), (c->title == NULL) ?
1460                                      "" : c->title);
1461         }
1462 }
1463
1464 void
1465 updatewinid(Client *c)
1466 {
1467         snprintf(winid, LENGTH(winid), "%lu", c->xid);
1468 }
1469
1470 void
1471 usage(void)
1472 {
1473         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
1474             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
1475             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
1476 }
1477
1478 void
1479 zoom(Client *c, const Arg *a)
1480 {
1481         if (a->i > 0)
1482                 webkit_web_view_set_zoom_level(c->view, zoomlevel + 0.1);
1483         else if (a->i < 0)
1484                 webkit_web_view_set_zoom_level(c->view, zoomlevel - 0.1);
1485         else
1486                 webkit_web_view_set_zoom_level(c->view, 1.0);
1487
1488         zoomlevel = webkit_web_view_get_zoom_level(c->view);
1489 }
1490
1491 int
1492 main(int argc, char *argv[])
1493 {
1494         Arg arg;
1495         Client *c;
1496
1497         memset(&arg, 0, sizeof(arg));
1498
1499         /* command line args */
1500         ARGBEGIN {
1501         case 'a':
1502                 cookiepolicies = EARGF(usage());
1503                 break;
1504         case 'b':
1505                 enablescrollbars = 0;
1506                 break;
1507         case 'B':
1508                 enablescrollbars = 1;
1509                 break;
1510         case 'c':
1511                 cookiefile = EARGF(usage());
1512                 break;
1513         case 'd':
1514                 enablecache = 0;
1515                 break;
1516         case 'D':
1517                 enablecache = 1;
1518                 break;
1519         case 'e':
1520                 embed = strtol(EARGF(usage()), NULL, 0);
1521                 break;
1522         case 'f':
1523                 runinfullscreen = 0;
1524                 break;
1525         case 'F':
1526                 runinfullscreen = 1;
1527                 break;
1528         case 'g':
1529                 allowgeolocation = 0;
1530                 break;
1531         case 'G':
1532                 allowgeolocation = 1;
1533                 break;
1534         case 'i':
1535                 loadimages = 0;
1536                 break;
1537         case 'I':
1538                 loadimages = 1;
1539                 break;
1540         case 'k':
1541                 kioskmode = 0;
1542                 break;
1543         case 'K':
1544                 kioskmode = 1;
1545                 break;
1546         case 'm':
1547                 enablestyle = 0;
1548                 break;
1549         case 'M':
1550                 enablestyle = 1;
1551                 break;
1552         case 'n':
1553                 enableinspector = 0;
1554                 break;
1555         case 'N':
1556                 enableinspector = 1;
1557                 break;
1558         case 'p':
1559                 enableplugins = 0;
1560                 break;
1561         case 'P':
1562                 enableplugins = 1;
1563                 break;
1564         case 'r':
1565                 scriptfile = EARGF(usage());
1566                 break;
1567         case 's':
1568                 enablescripts = 0;
1569                 break;
1570         case 'S':
1571                 enablescripts = 1;
1572                 break;
1573         case 't':
1574                 stylefile = EARGF(usage());
1575                 break;
1576         case 'u':
1577                 useragent = EARGF(usage());
1578                 break;
1579         case 'v':
1580                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1581                     "see LICENSE for details\n");
1582         case 'x':
1583                 showxid = TRUE;
1584                 break;
1585         case 'z':
1586                 zoomlevel = strtof(EARGF(usage()), NULL);
1587                 break;
1588         default:
1589                 usage();
1590         } ARGEND;
1591         if (argc > 0)
1592                 arg.v = argv[0];
1593
1594         setup();
1595         c = newclient(NULL);
1596         showview(NULL, c);
1597         if (arg.v)
1598                 loaduri(clients, &arg);
1599         else
1600                 updatetitle(c);
1601
1602         gtk_main();
1603         cleanup();
1604
1605         return EXIT_SUCCESS;
1606 }
1607