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 typedef union Arg Arg;
  51 union Arg {
  52         gboolean b;
  53         gint i;
  54         const void *v;
  55 };
  56
  57 typedef struct Client {
  58         GtkWidget *win;
  59         Window xid;
  60         WebKitWebView *view;
  61         WebKitWebInspector *inspector;
  62         WebKitHitTestResult *mousepos;
  63         const char *title, *targeturi;
  64         const char *needle;
  65         gint progress;
  66         struct Client *next;
  67         gboolean zoomed, fullscreen, isinspecting, sslfailed;
  68 } Client;
  69
  70 typedef struct {
  71         guint mod;
  72         guint keyval;
  73         void (*func)(Client *c, const Arg *arg);
  74         const Arg arg;
  75 } Key;
  76
  77 typedef struct {
  78         unsigned int click;
  79         unsigned int mask;
  80         guint button;
  81         void (*func)(Client *c, const Arg *arg);
  82         const Arg arg;
  83 } Button;
  84
  85 typedef struct {
  86         char *regex;
  87         char *style;
  88         regex_t re;
  89 } SiteStyle;
  90
  91 static Display *dpy;
  92 static Atom atoms[AtomLast];
  93 static Client *clients = NULL;
  94 static Window embed = 0;
  95 static gboolean showxid = FALSE;
  96 static char winid[64];
  97 static char togglestat[9];
  98 static char pagestat[3];
  99 static GTlsDatabase *tlsdb;
 100 static int cookiepolicy;
 101 static char *stylefile = NULL;
 102
 103 static void addaccelgroup(Client *c);
 104 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
 105                           WebKitWebResource *r, WebKitNetworkRequest *req,
 106                           WebKitNetworkResponse *resp, Client *c);
 107 static char *buildfile(const char *path);
 108 static char *buildpath(const char *path);
 109 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c);
 110 static void cleanup(void);
 111 static void clipboard(Client *c, const Arg *arg);
 112
 113 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 114 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 115
 116 static char *copystr(char **str, const char *src);
 117 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
 118                 Client *c);
 119 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 120     WebKitPolicyDecisionType dt, Client *c);
 121 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
 122 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
 123 static void decideresource(WebKitPolicyDecision *d, Client *c);
 124 static gboolean deletion_interface(WebKitWebView *view,
 125                                    WebKitDOMHTMLElement *arg1, Client *c);
 126 static void destroyclient(Client *c);
 127 static void destroywin(GtkWidget* w, Client *c);
 128 static void die(const char *errstr, ...);
 129 static void eval(Client *c, const Arg *arg);
 130 static void find(Client *c, const Arg *arg);
 131 static void fullscreen(Client *c, const Arg *arg);
 132 static gboolean permissionrequested(WebKitWebView *v,
 133                 WebKitPermissionRequest *r, Client *c);
 134 static const char *getatom(Client *c, int a);
 135 static void gettogglestat(Client *c);
 136 static void getpagestat(Client *c);
 137 static char *geturi(Client *c);
 138 static const gchar *getstyle(const char *uri);
 139 static void setstyle(Client *c, const char *style);
 140
 141 static void handleplumb(Client *c, WebKitWebView *w, const gchar *uri);
 142
 143 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
 144
 145 static void inspector(Client *c, const Arg *arg);
 146 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 147                                     Client *c);
 148 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 149 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 150 static void inspector_finished(WebKitWebInspector *i, Client *c);
 151
 152 static gboolean keypress(GtkAccelGroup *group, GObject *obj, guint key,
 153                          GdkModifierType mods, Client *c);
 154 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
 155                 guint modifiers, Client *c);
 156 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
 157                              Client *c);
 158 static void loaduri(Client *c, const Arg *arg);
 159 static void navigate(Client *c, const Arg *arg);
 160 static Client *newclient(Client *c);
 161 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 162 static void showview(WebKitWebView *v, Client *c);
 163 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 164 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 165 static gboolean contextmenu(WebKitWebView *view, GtkWidget *menu,
 166                             WebKitHitTestResult *target, gboolean keyboard,
 167                             Client *c);
 168 static void menuactivate(GtkMenuItem *item, Client *c);
 169 static void print(Client *c, const Arg *arg);
 170 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 171                                 gpointer d);
 172 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 173 static void linkopen(Client *c, const Arg *arg);
 174 static void linkopenembed(Client *c, const Arg *arg);
 175 static void reload(Client *c, const Arg *arg);
 176 static void scroll_h(Client *c, const Arg *arg);
 177 static void scroll_v(Client *c, const Arg *arg);
 178 static void scroll(GtkAdjustment *a, const Arg *arg);
 179 static void setatom(Client *c, int a, const char *v);
 180 static void setup(void);
 181 static void sigchld(int unused);
 182 static void spawn(Client *c, const Arg *arg);
 183 static void stop(Client *c, const Arg *arg);
 184 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
 185 static void titlechangeleave(void *a, void *b, Client *c);
 186 static void toggle(Client *c, const Arg *arg);
 187 static void togglecookiepolicy(Client *c, const Arg *arg);
 188 static void togglegeolocation(Client *c, const Arg *arg);
 189 static void togglescrollbars(Client *c, const Arg *arg);
 190 static void togglestyle(Client *c, const Arg *arg);
 191 static void updatetitle(Client *c);
 192 static void updatewinid(Client *c);
 193 static void usage(void);
 194 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 195                                 JSContextRef js, JSObjectRef win, Client *c);
 196 static void zoom(Client *c, const Arg *arg);
 197
 198 /* configuration, allows nested code to access above variables */
 199 #include "config.h"
 200
 201 void
 202 addaccelgroup(Client *c)
 203 {
 204         int i;
 205         GtkAccelGroup *group = gtk_accel_group_new();
 206         GClosure *closure;
 207
 208         for (i = 0; i < LENGTH(keys); i++) {
 209                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 210                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod, 0,
 211                                         closure);
 212         }
 213         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 214 }
 215
 216 void
 217 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 218               WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 219               Client *c)
 220 {
 221         const gchar *uri = webkit_network_request_get_uri(req);
 222         int i, isascii = 1;
 223
 224         if (g_str_has_suffix(uri, "/favicon.ico"))
 225                 webkit_network_request_set_uri(req, "about:blank");
 226
 227         if (!g_str_has_prefix(uri, "http://")
 228             && !g_str_has_prefix(uri, "https://")
 229             && !g_str_has_prefix(uri, "about:")
 230             && !g_str_has_prefix(uri, "file://")
 231             && !g_str_has_prefix(uri, "data:")
 232             && !g_str_has_prefix(uri, "blob:")
 233             && strlen(uri) > 0) {
 234                 for (i = 0; i < strlen(uri); i++) {
 235                         if (!g_ascii_isprint(uri[i])) {
 236                                 isascii = 0;
 237                                 break;
 238                         }
 239                 }
 240                 if (isascii)
 241                         handleplumb(c, w, uri);
 242         }
 243 }
 244
 245 char *
 246 buildfile(const char *path)
 247 {
 248         char *dname, *bname, *bpath, *fpath;
 249         FILE *f;
 250
 251         dname = g_path_get_dirname(path);
 252         bname = g_path_get_basename(path);
 253
 254         bpath = buildpath(dname);
 255         g_free(dname);
 256
 257         fpath = g_build_filename(bpath, bname, NULL);
 258         g_free(bpath);
 259         g_free(bname);
 260
 261         if (!(f = fopen(fpath, "a")))
 262                 die("Could not open file: %s\n", fpath);
 263
 264         g_chmod(fpath, 0600); /* always */
 265         fclose(f);
 266
 267         return fpath;
 268 }
 269
 270 char *
 271 buildpath(const char *path)
 272 {
 273         struct passwd *pw;
 274         char *apath, *name, *p, *fpath;
 275
 276         if (path[0] == '~') {
 277                 if (path[1] == '/' || path[1] == '\0') {
 278                         p = (char *)&path[1];
 279                         pw = getpwuid(getuid());
 280                 } else {
 281                         if ((p = strchr(path, '/')))
 282                                 name = g_strndup(&path[1], --p - path);
 283                         else
 284                                 name = g_strdup(&path[1]);
 285
 286                         if (!(pw = getpwnam(name))) {
 287                                 die("Can't get user %s home directory: %s.\n",
 288                                     name, path);
 289                         }
 290                         g_free(name);
 291                 }
 292                 apath = g_build_filename(pw->pw_dir, p, NULL);
 293         } else {
 294                 apath = g_strdup(path);
 295         }
 296
 297         /* creating directory */
 298         if (g_mkdir_with_parents(apath, 0700) < 0)
 299                 die("Could not access directory: %s\n", apath);
 300
 301         fpath = realpath(apath, NULL);
 302         g_free(apath);
 303
 304         return fpath;
 305 }
 306
 307 gboolean
 308 buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c)
 309 {
 310         WebKitHitTestResultContext context;
 311         WebKitHitTestResult *result;
 312         Arg arg;
 313         unsigned int i;
 314
 315         result = webkit_web_view_get_hit_test_result(web, e);
 316         g_object_get(result, "context", &context, NULL);
 317         g_object_get(result, "link-uri", &arg.v, NULL);
 318         for (i = 0; i < LENGTH(buttons); i++) {
 319                 if (context & buttons[i].click
 320                     && e->button == buttons[i].button
 321                     && CLEANMASK(e->state) == CLEANMASK(buttons[i].mask)
 322                     && buttons[i].func) {
 323                         buttons[i].func(c, buttons[i].click == ClkLink
 324                             && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
 325                         return true;
 326                 }
 327         }
 328         return false;
 329 }
 330
 331 void
 332 cleanup(void)
 333 {
 334         while (clients)
 335                 destroyclient(clients);
 336         g_free(cookiefile);
 337         g_free(scriptfile);
 338         g_free(stylefile);
 339         g_free(cachedir);
 340 }
 341
 342 WebKitCookieAcceptPolicy
 343 cookiepolicy_get(void)
 344 {
 345         switch (cookiepolicies[cookiepolicy]) {
 346         case 'a':
 347                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 348         case '@':
 349                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 350         case 'A':
 351         default:
 352                 break;
 353         }
 354
 355         return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 356 }
 357
 358 char
 359 cookiepolicy_set(const WebKitCookieAcceptPolicy ep)
 360 {
 361         switch (ep) {
 362         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 363                 return 'a';
 364         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 365                 return '@';
 366         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 367         default:
 368                 break;
 369         }
 370
 371         return 'A';
 372 }
 373
 374 void
 375 evalscript(JSContextRef js, char *script, char* scriptname)
 376 {
 377         JSStringRef jsscript, jsscriptname;
 378         JSValueRef exception = NULL;
 379
 380         jsscript = JSStringCreateWithUTF8CString(script);
 381         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 382         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 383                          jsscriptname, 0, &exception);
 384         JSStringRelease(jsscript);
 385         JSStringRelease(jsscriptname);
 386 }
 387
 388 void
 389 runscript(WebKitWebFrame *frame)
 390 {
 391         char *script;
 392         GError *error;
 393
 394         if (g_file_get_contents(scriptfile, &script, NULL, &error)) {
 395                 evalscript(webkit_web_frame_get_global_context(frame), script,
 396                            scriptfile);
 397         }
 398 }
 399
 400 void
 401 clipboard(Client *c, const Arg *arg)
 402 {
 403         gboolean paste = *(gboolean *)arg;
 404
 405         if (paste) {
 406                 gtk_clipboard_request_text(gtk_clipboard_get(
 407                                            GDK_SELECTION_PRIMARY),
 408                                            pasteuri, c);
 409         } else {
 410                 gtk_clipboard_set_text(gtk_clipboard_get(
 411                                        GDK_SELECTION_PRIMARY), c->linkhover
 412                                        ? c->linkhover : geturi(c), -1);
 413         }
 414 }
 415
 416 char *
 417 copystr(char **str, const char *src)
 418 {
 419         char *tmp;
 420         tmp = g_strdup(src);
 421
 422         if (str && *str) {
 423                 g_free(*str);
 424                 *str = tmp;
 425         }
 426         return tmp;
 427 }
 428
 429 GtkWidget *
 430 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
 431 {
 432         Client *n;
 433
 434         switch (webkit_navigation_action_get_navigation_type(a)) {
 435         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 436                 /*
 437                  * popup windows of type “other” are almost always triggered
 438                  * by user gesture, so inverse the logic here
 439                  */
 440 /* instead of this, compare destination uri to mouse-over uri for validating window */
 441                 if (webkit_navigation_action_is_user_gesture(a)) {
 442                         return NULL;
 443                         break;
 444                 }
 445         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 446         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 447         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 448         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 449         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 450                 n = newclient(c);
 451                 break;
 452         default:
 453                 return NULL;
 454                 break;
 455         }
 456
 457         return GTK_WIDGET(n->view);
 458 }
 459
 460 gboolean
 461 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 462     WebKitPolicyDecisionType dt, Client *c)
 463 {
 464         switch (dt) {
 465         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
 466                 decidenavigation(d, c);
 467                 break;
 468         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
 469                 decidenewwindow(d, c);
 470                 break;
 471         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 472                 decideresource(d, c);
 473                 break;
 474         default:
 475                 webkit_policy_decision_ignore(d);
 476                 break;
 477         }
 478         return TRUE;
 479 }
 480
 481 void
 482 decidenavigation(WebKitPolicyDecision *d, Client *c)
 483 {
 484         WebKitNavigationAction *a;
 485
 486         a = webkit_navigation_policy_decision_get_navigation_action(
 487             WEBKIT_NAVIGATION_POLICY_DECISION(d));
 488
 489         switch (webkit_navigation_action_get_navigation_type(a)) {
 490         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 491         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 492         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 493         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 494         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 495         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 496         default:
 497                 /* Do not navigate to links with a "_blank" target (popup) */
 498                 if (webkit_navigation_policy_decision_get_frame_name(
 499                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
 500                         webkit_policy_decision_ignore(d);
 501                 } else {
 502                         /* Filter out navigation to different domain ? */
 503                         /* get action→urirequest, copy and load in new window+view
 504                          * on Ctrl+Click ? */
 505                         webkit_policy_decision_use(d);
 506                 }
 507                 break;
 508         }
 509 }
 510
 511 void
 512 decidenewwindow(WebKitPolicyDecision *d, Client *c)
 513 {
 514         WebKitNavigationAction *a;
 515         Arg arg;
 516
 517         a = webkit_navigation_policy_decision_get_navigation_action(
 518             WEBKIT_NAVIGATION_POLICY_DECISION(d));
 519
 520         switch (webkit_navigation_action_get_navigation_type(a)) {
 521         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 522         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 523         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 524         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 525         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 526                 /* Filter domains here */
 527 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
 528  * test for link clicked but no button ? */
 529                 arg.v = webkit_uri_request_get_uri(
 530                     webkit_navigation_action_get_request(a));
 531                 newwindow(c, &arg, 0);
 532                 break;
 533         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 534         default:
 535                 break;
 536         }
 537
 538         webkit_policy_decision_ignore(d);
 539 }
 540
 541 void
 542 decideresource(WebKitPolicyDecision *d, Client *c)
 543 {
 544         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
 545         WebKitURIResponse *res;
 546
 547         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
 548                 webkit_policy_decision_use(d);
 549         } else {
 550 res = webkit_response_policy_decision_get_response(r);
 551                 webkit_policy_decision_ignore(d);
 552                 download(c, res);
 553         }
 554 }
 555
 556 gboolean
 557 deletion_interface(WebKitWebView *view, WebKitDOMHTMLElement *arg1, Client *c)
 558 {
 559         return FALSE;
 560 }
 561
 562 void
 563 destroyclient(Client *c)
 564 {
 565         Client *p;
 566
 567         webkit_web_view_stop_loading(c->view);
 568         gtk_widget_destroy(GTK_WIDGET(c->view));
 569         gtk_widget_destroy(c->scroll);
 570         gtk_widget_destroy(c->vbox);
 571         gtk_widget_destroy(c->win);
 572
 573         for (p = clients; p && p->next != c; p = p->next)
 574                 ;
 575         if (p)
 576                 p->next = c->next;
 577         else
 578                 clients = c->next;
 579         free(c);
 580         if (clients == NULL)
 581                 gtk_main_quit();
 582 }
 583
 584 void
 585 destroywin(GtkWidget* w, Client *c)
 586 {
 587         destroyclient(c);
 588 }
 589
 590 void
 591 die(const char *errstr, ...)
 592 {
 593         va_list ap;
 594
 595         va_start(ap, errstr);
 596         vfprintf(stderr, errstr, ap);
 597         va_end(ap);
 598         exit(EXIT_FAILURE);
 599 }
 600
 601 void
 602 find(Client *c, const Arg *arg)
 603 {
 604         const char *s;
 605
 606         s = getatom(c, AtomFind);
 607         gboolean forward = *(gboolean *)arg;
 608         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 609 }
 610
 611 void
 612 fullscreen(Client *c, const Arg *arg)
 613 {
 614         if (c->fullscreen)
 615                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 616         else
 617                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 618         c->fullscreen = !c->fullscreen;
 619 }
 620
 621 gboolean
 622 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
 623 {
 624         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
 625                 if (allowgeolocation)
 626                         webkit_permission_request_allow(r);
 627                 else
 628                         webkit_permission_request_deny(r);
 629                 return TRUE;
 630         }
 631
 632         return FALSE;
 633 }
 634
 635 const char *
 636 getatom(Client *c, int a)
 637 {
 638         static char buf[BUFSIZ];
 639         Atom adummy;
 640         int idummy;
 641         unsigned long ldummy;
 642         unsigned char *p = NULL;
 643
 644         XGetWindowProperty(dpy, c->xid,
 645                            atoms[a], 0L, BUFSIZ, False, XA_STRING,
 646                            &adummy, &idummy, &ldummy, &ldummy, &p);
 647         if (p)
 648                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 649         else
 650                 buf[0] = '\0';
 651         XFree(p);
 652
 653         return buf;
 654 }
 655
 656 char *
 657 geturi(Client *c)
 658 {
 659         char *uri;
 660
 661         if (!(uri = (char *)webkit_web_view_get_uri(c->view)))
 662                 uri = "about:blank";
 663         return uri;
 664 }
 665
 666 const gchar *
 667 getstyle(const char *uri)
 668 {
 669         int i;
 670
 671         if (stylefile != NULL)
 672                 return stylefile;
 673
 674         for (i = 0; i < LENGTH(styles); i++) {
 675                 if (styles[i].regex && !regexec(&(styles[i].re), uri, 0,
 676                     NULL, 0))
 677                         return styles[i].style;
 678         }
 679
 680         return "";
 681 }
 682
 683 void
 684 setstyle(Client *c, const char *style)
 685 {
 686         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
 687
 688         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", style, NULL);
 689 }
 690
 691 void
 692 handleplumb(Client *c, WebKitWebView *w, const gchar *uri)
 693 {
 694         Arg arg;
 695
 696         webkit_web_view_stop_loading(w);
 697         arg = (Arg)PLUMB((char *)uri);
 698         spawn(c, &arg);
 699 }
 700
 701 gboolean
 702 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c)
 703 {
 704         Arg arg;
 705
 706         updatewinid(c);
 707         arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
 708         spawn(c, &arg);
 709         return FALSE;
 710 }
 711
 712 void
 713 inspector(Client *c, const Arg *arg)
 714 {
 715         if (enableinspector) {
 716                 if (c->isinspecting)
 717                         webkit_web_inspector_close(c->inspector);
 718                 else
 719                         webkit_web_inspector_show(c->inspector);
 720         }
 721 }
 722
 723 WebKitWebView *
 724 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c)
 725 {
 726         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 727 }
 728
 729 gboolean
 730 inspector_show(WebKitWebInspector *i, Client *c)
 731 {
 732         WebKitWebView *w;
 733
 734         if (c->isinspecting)
 735                 return false;
 736
 737         w = webkit_web_inspector_get_web_view(i);
 738         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 739         gtk_widget_show(GTK_WIDGET(w));
 740         c->isinspecting = true;
 741
 742         return true;
 743 }
 744
 745 gboolean
 746 inspector_close(WebKitWebInspector *i, Client *c)
 747 {
 748         GtkWidget *w;
 749
 750         if (!c->isinspecting)
 751                 return false;
 752
 753         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 754         gtk_widget_hide(w);
 755         gtk_widget_destroy(w);
 756         c->isinspecting = false;
 757
 758         return true;
 759 }
 760
 761 void
 762 inspector_finished(WebKitWebInspector *i, Client *c)
 763 {
 764         g_free(c->inspector);
 765 }
 766
 767 gboolean
 768 keypress(GtkAccelGroup *group, GObject *obj, guint key, GdkModifierType mods,
 769          Client *c)
 770 {
 771         guint i;
 772         gboolean processed = FALSE;
 773
 774         mods = CLEANMASK(mods);
 775         key = gdk_keyval_to_lower(key);
 776         updatewinid(c);
 777         for (i = 0; i < LENGTH(keys); i++) {
 778                 if (key == keys[i].keyval
 779                     && mods == keys[i].mod
 780                     && keys[i].func) {
 781                         keys[i].func(c, &(keys[i].arg));
 782                         processed = TRUE;
 783                 }
 784         }
 785
 786         return processed;
 787 }
 788
 789 void
 790 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
 791     Client *c)
 792 {
 793         WebKitHitTestResultContext hc;
 794
 795         /* Keep the hit test to know where is the pointer on the next click */
 796         c->mousepos = h;
 797
 798         hc = webkit_hit_test_result_get_context(h);
 799
 800         if (hc & OnLink)
 801                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
 802         else if (hc & OnImg)
 803                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
 804         else if (hc & OnMedia)
 805                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
 806         else
 807                 c->targeturi = NULL;
 808         updatetitle(c);
 809 }
 810
 811 void
 812 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c)
 813 {
 814         WebKitWebFrame *frame;
 815         WebKitWebDataSource *src;
 816         WebKitNetworkRequest *request;
 817         SoupMessage *msg;
 818         char *uri;
 819
 820         switch (webkit_web_view_get_load_status (c->view)) {
 821         case WEBKIT_LOAD_COMMITTED:
 822                 uri = geturi(c);
 823                 if (strstr(uri, "https://") == uri) {
 824                         frame = webkit_web_view_get_main_frame(c->view);
 825                         src = webkit_web_frame_get_data_source(frame);
 826                         request = webkit_web_data_source_get_request(src);
 827                         msg = webkit_network_request_get_message(request);
 828                         c->sslfailed = !(soup_message_get_flags(msg)
 829                                        & SOUP_MESSAGE_CERTIFICATE_TRUSTED);
 830                 }
 831                 setatom(c, AtomUri, uri);
 832
 833                 if (enablestyle)
 834                         setstyle(c, getstyle(uri));
 835                 break;
 836         case WEBKIT_LOAD_FINISHED:
 837                 c->progress = 100;
 838                 updatetitle(c);
 839                 break;
 840         default:
 841                 break;
 842         }
 843 }
 844
 845 void
 846 loaduri(Client *c, const Arg *arg)
 847 {
 848         char *u = NULL, *rp;
 849         const char *uri = (char *)arg->v;
 850         Arg a = { .b = FALSE };
 851         struct stat st;
 852
 853         if (strcmp(uri, "") == 0)
 854                 return;
 855
 856         /* In case it's a file path. */
 857         if (stat(uri, &st) == 0) {
 858                 rp = realpath(uri, NULL);
 859                 u = g_strdup_printf("file://%s", rp);
 860                 free(rp);
 861         } else {
 862                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 863                     : g_strdup_printf("http://%s", uri);
 864         }
 865
 866         setatom(c, AtomUri, uri);
 867
 868         /* prevents endless loop */
 869         if (strcmp(u, geturi(c)) == 0) {
 870                 reload(c, &a);
 871         } else {
 872                 webkit_web_view_load_uri(c->view, u);
 873                 c->progress = 0;
 874                 c->title = copystr(&c->title, u);
 875                 updatetitle(c);
 876         }
 877         g_free(u);
 878 }
 879
 880 void
 881 navigate(Client *c, const Arg *arg)
 882 {
 883         int steps = *(int *)arg;
 884         webkit_web_view_go_back_or_forward(c->view, steps);
 885 }
 886
 887 Client *
 888 newclient(Client *rc)
 889 {
 890         Client *c;
 891         gdouble dpi;
 892
 893         if (!(c = calloc(1, sizeof(Client))))
 894                 die("Cannot malloc!\n");
 895
 896         c->title = NULL;
 897         c->progress = 100;
 898
 899         c->next = clients;
 900         clients = c;
 901
 902         c->view = newview(c, rc ? rc->view : NULL);
 903
 904         return c;
 905 }
 906
 907 WebKitWebView *
 908 newview(Client *c, WebKitWebView *rv)
 909 {
 910         WebKitWebView *v;
 911         WebKitSettings *settings;
 912         WebKitUserContentManager *contentmanager;
 913         WebKitWebContext *context;
 914         char *ua;
 915
 916         /* Webview */
 917         if (rv) {
 918                 v = WEBKIT_WEB_VIEW(
 919                     webkit_web_view_new_with_related_view(rv));
 920         } else {
 921                 settings = webkit_settings_new_with_settings(
 922                     "auto-load-images", loadimages,
 923                     "default-font-size", defaultfontsize,
 924                     "enable-caret-browsing", enablecaretbrowsing,
 925                     "enable-developer-extras", enableinspector,
 926                     "enable-dns-prefetching", enablednsprefetching,
 927                     "enable-frame-flattening", enableframeflattening,
 928                     "enable-html5-database", enablecache,
 929                     "enable-html5-local-storage", enablecache,
 930                     "enable-javascript", enablescripts,
 931                     "enable-plugins", enableplugins,
 932                     NULL);
 933                 if (!(ua = getenv("SURF_USERAGENT")))
 934                         ua = useragent;
 935                 webkit_settings_set_user_agent(settings, ua);
 936                 /* Have a look at http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html
 937                  * for more interesting settings */
 938
 939                 contentmanager = webkit_user_content_manager_new();
 940
 941                 context = webkit_web_context_new_with_website_data_manager(
 942                     webkit_website_data_manager_new(
 943                     "base-cache-directory", cachedir,
 944                     "base-data-directory", cachedir,
 945                     NULL));
 946
 947                 /* rendering process model, can be a shared unique one or one for each
 948                  * view */
 949                 webkit_web_context_set_process_model(context,
 950                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
 951                 /* ssl */
 952                 webkit_web_context_set_tls_errors_policy(context, strictssl ?
 953                     WEBKIT_TLS_ERRORS_POLICY_FAIL : WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 954                 /* disk cache */
 955                 webkit_web_context_set_cache_model(context, enablecache ?
 956                     WEBKIT_CACHE_MODEL_WEB_BROWSER : WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 957
 958                 /* Currently only works with text file to be compatible with curl */
 959                 webkit_cookie_manager_set_persistent_storage(
 960                     webkit_web_context_get_cookie_manager(context), cookiefile,
 961                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
 962                 /* cookie policy */
 963                 webkit_cookie_manager_set_accept_policy(
 964                     webkit_web_context_get_cookie_manager(context),
 965                     cookiepolicy_get());
 966
 967                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
 968                     "settings", settings,
 969                     "user-content-manager", contentmanager,
 970                     "web-context", context,
 971                     NULL);
 972         }
 973
 974         g_signal_connect(G_OBJECT(v),
 975                          "notify::title",
 976                          G_CALLBACK(titlechanged), c);
 977         g_signal_connect(G_OBJECT(v),
 978                          "mouse-target-changed",
 979                          G_CALLBACK(mousetargetchanged), c);
 980         g_signal_connect(G_OBJECT(v),
 981                          "permission-request",
 982                          G_CALLBACK(permissionrequested), c);
 983         g_signal_connect(G_OBJECT(v),
 984                          "create",
 985                          G_CALLBACK(createview), c);
 986         g_signal_connect(G_OBJECT(v), "ready-to-show",
 987                          G_CALLBACK(showview), c);
 988         g_signal_connect(G_OBJECT(v),
 989                          "decide-policy",
 990                          G_CALLBACK(decidepolicy), c);
 991         g_signal_connect(G_OBJECT(v),
 992                          "window-object-cleared",
 993                          G_CALLBACK(windowobjectcleared), c);
 994         g_signal_connect(G_OBJECT(v),
 995                          "notify::load-status",
 996                          G_CALLBACK(loadstatuschange), c);
 997         g_signal_connect(G_OBJECT(v),
 998                          "notify::progress",
 999                          G_CALLBACK(progresschange), c);
1000         g_signal_connect(G_OBJECT(v),
1001                          "download-requested",
1002                          G_CALLBACK(initdownload), c);
1003         g_signal_connect(G_OBJECT(v),
1004                          "button-release-event",
1005                          G_CALLBACK(buttonrelease), c);
1006         g_signal_connect(G_OBJECT(v),
1007                          "context-menu",
1008                          G_CALLBACK(contextmenu), c);
1009         g_signal_connect(G_OBJECT(v),
1010                          "resource-request-starting",
1011                          G_CALLBACK(beforerequest), c);
1012         g_signal_connect(G_OBJECT(v),
1013                          "should-show-delete-interface-for-element",
1014                          G_CALLBACK(deletion_interface), c);
1015
1016         return v;
1017 }
1018
1019 void
1020 showview(WebKitWebView *v, Client *c)
1021 {
1022         GdkGeometry hints = { 1, 1 };
1023         GdkRGBA bgcolor = { 0 };
1024         GdkWindow *gwin;
1025
1026         /* Window */
1027         if (embed) {
1028                 c->win = gtk_plug_new(embed);
1029         } else {
1030                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1031
1032                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
1033                  * is always correct, so we should still call this function.
1034                  * But when doing so, we *must* differentiate between a
1035                  * WM_CLASS and a resource on the window.  By convention, the
1036                  * window class (WM_CLASS) is capped, while the resource is in
1037                  * lowercase.   Both these values come as a pair.
1038                  */
1039                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
1040
1041                 /* TA:  20091214:  And set the role here as well -- so that
1042                  * sessions can pick this up.
1043                  */
1044                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
1045         }
1046         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
1047         g_signal_connect(G_OBJECT(c->win),
1048                          "destroy",
1049                          G_CALLBACK(destroywin), c);
1050         g_signal_connect(G_OBJECT(c->win),
1051                          "leave_notify_event",
1052                          G_CALLBACK(titlechangeleave), c);
1053
1054         if (!kioskmode)
1055                 addaccelgroup(c);
1056
1057         /* Arranging */
1058         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1059
1060         /* Setup */
1061         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1062         gtk_widget_show(GTK_WIDGET(c->view));
1063         gtk_widget_show(c->win);
1064         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1065         c->xid = gdk_x11_window_get_xid(gwin);
1066         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
1067                                       GDK_HINT_MIN_SIZE);
1068         gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1069         gdk_window_add_filter(gwin, processx, c);
1070
1071         runscript(frame);
1072
1073         /* This might conflict with _zoomto96dpi_. */
1074         if (zoomlevel != 1.0)
1075                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
1076
1077         if (runinfullscreen)
1078                 fullscreen(c, NULL);
1079
1080         setatom(c, AtomFind, "");
1081         setatom(c, AtomUri, "about:blank");
1082         if (hidebackground)
1083                 webkit_web_view_set_background_color(c->view, &bgcolor);
1084
1085         if (showxid) {
1086                 gdk_display_sync(gtk_widget_get_display(c->win));
1087                 printf("%lu\n", c->xid);
1088                 fflush(NULL);
1089                 if (fclose(stdout) != 0) {
1090                         die("Error closing stdout");
1091                 }
1092         }
1093 }
1094
1095 void
1096 newwindow(Client *c, const Arg *arg, gboolean noembed)
1097 {
1098         guint i = 0;
1099         const char *cmd[18], *uri;
1100         const Arg a = { .v = (void *)cmd };
1101         char tmp[64];
1102
1103         cmd[i++] = argv0;
1104         cmd[i++] = "-a";
1105         cmd[i++] = cookiepolicies;
1106         if (!enablescrollbars)
1107                 cmd[i++] = "-b";
1108         if (embed && !noembed) {
1109                 cmd[i++] = "-e";
1110                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1111                 cmd[i++] = tmp;
1112         }
1113         if (!allowgeolocation)
1114                 cmd[i++] = "-g";
1115         if (!loadimages)
1116                 cmd[i++] = "-i";
1117         if (kioskmode)
1118                 cmd[i++] = "-k";
1119         if (!enableplugins)
1120                 cmd[i++] = "-p";
1121         if (!enablescripts)
1122                 cmd[i++] = "-s";
1123         if (showxid)
1124                 cmd[i++] = "-x";
1125         if (enablediskcache)
1126                 cmd[i++] = "-D";
1127         cmd[i++] = "-c";
1128         cmd[i++] = cookiefile;
1129         cmd[i++] = "--";
1130         uri = arg->v ? (char *)arg->v : c->linkhover;
1131         if (uri)
1132                 cmd[i++] = uri;
1133         cmd[i++] = NULL;
1134         spawn(NULL, &a);
1135 }
1136
1137 gboolean
1138 contextmenu(WebKitWebView *view, GtkWidget *menu, WebKitHitTestResult *target,
1139             gboolean keyboard, Client *c)
1140 {
1141         GList *items = gtk_container_get_children(GTK_CONTAINER(GTK_MENU(menu)));
1142
1143         for (GList *l = items; l; l = l->next)
1144                 g_signal_connect(l->data, "activate", G_CALLBACK(menuactivate), c);
1145
1146         g_list_free(items);
1147         return FALSE;
1148 }
1149
1150 void
1151 menuactivate(GtkMenuItem *item, Client *c)
1152 {
1153         /*
1154          * context-menu-action-2000 open link
1155          * context-menu-action-1    open link in window
1156          * context-menu-action-2    download linked file
1157          * context-menu-action-3    copy link location
1158          * context-menu-action-7    copy image address
1159          * context-menu-action-13   reload
1160          * context-menu-action-10   back
1161          * context-menu-action-11   forward
1162          * context-menu-action-12   stop
1163          */
1164
1165         const gchar *name, *uri;
1166         GtkClipboard *prisel, *clpbrd;
1167
1168         name = gtk_actionable_get_action_name(GTK_ACTIONABLE(item));
1169         if (name == NULL)
1170                 return;
1171
1172         if (!g_strcmp0(name, "context-menu-action-3")) {
1173                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1174                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
1175         } else if (!g_strcmp0(name, "context-menu-action-7")) {
1176                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1177                 clpbrd = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1178                 uri = gtk_clipboard_wait_for_text(clpbrd);
1179                 if (uri)
1180                         gtk_clipboard_set_text(prisel, uri, -1);
1181         }
1182 }
1183
1184 void
1185 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1186 {
1187         Arg arg = {.v = text };
1188         if (text != NULL)
1189                 loaduri((Client *) d, &arg);
1190 }
1191
1192 void
1193 print(Client *c, const Arg *arg)
1194 {
1195         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
1196 }
1197
1198 GdkFilterReturn
1199 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1200 {
1201         Client *c = (Client *)d;
1202         XPropertyEvent *ev;
1203         Arg arg;
1204
1205         if (((XEvent *)e)->type == PropertyNotify) {
1206                 ev = &((XEvent *)e)->xproperty;
1207                 if (ev->state == PropertyNewValue) {
1208                         if (ev->atom == atoms[AtomFind]) {
1209                                 arg.b = TRUE;
1210                                 find(c, &arg);
1211
1212                                 return GDK_FILTER_REMOVE;
1213                         } else if (ev->atom == atoms[AtomGo]) {
1214                                 arg.v = getatom(c, AtomGo);
1215                                 loaduri(c, &arg);
1216
1217                                 return GDK_FILTER_REMOVE;
1218                         }
1219                 }
1220         }
1221         return GDK_FILTER_CONTINUE;
1222 }
1223
1224 void
1225 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c)
1226 {
1227         c->progress = webkit_web_view_get_progress(c->view) * 100;
1228         updatetitle(c);
1229 }
1230
1231 void
1232 linkopen(Client *c, const Arg *arg)
1233 {
1234         newwindow(NULL, arg, 1);
1235 }
1236
1237 void
1238 linkopenembed(Client *c, const Arg *arg)
1239 {
1240         newwindow(NULL, arg, 0);
1241 }
1242
1243 void
1244 reload(Client *c, const Arg *arg)
1245 {
1246         gboolean nocache = *(gboolean *)arg;
1247         if (nocache)
1248                 webkit_web_view_reload_bypass_cache(c->view);
1249         else
1250                 webkit_web_view_reload(c->view);
1251 }
1252
1253 void
1254 scroll_h(Client *c, const Arg *arg)
1255 {
1256         scroll(gtk_scrolled_window_get_hadjustment(
1257                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1258 }
1259
1260 void
1261 scroll_v(Client *c, const Arg *arg)
1262 {
1263         scroll(gtk_scrolled_window_get_vadjustment(
1264                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1265 }
1266
1267 void
1268 scroll(GtkAdjustment *a, const Arg *arg)
1269 {
1270         gdouble v;
1271
1272         v = gtk_adjustment_get_value(a);
1273         switch (arg->i) {
1274         case +10000:
1275         case -10000:
1276                 v += gtk_adjustment_get_page_increment(a) * (arg->i / 10000);
1277                 break;
1278         case +20000:
1279         case -20000:
1280         default:
1281                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1282         }
1283
1284         v = MAX(v, 0.0);
1285         v = MIN(v, gtk_adjustment_get_upper(a) -
1286                 gtk_adjustment_get_page_size(a));
1287         gtk_adjustment_set_value(a, v);
1288 }
1289
1290 void
1291 setatom(Client *c, int a, const char *v)
1292 {
1293         XSync(dpy, False);
1294         XChangeProperty(dpy, c->xid,
1295                         atoms[a], XA_STRING, 8, PropModeReplace,
1296                         (unsigned char *)v, strlen(v) + 1);
1297 }
1298
1299 void
1300 setup(void)
1301 {
1302         int i;
1303         char *styledirfile, *stylepath;
1304         WebKitWebContext *context;
1305         GError *error = NULL;
1306
1307         /* clean up any zombies immediately */
1308         sigchld(0);
1309         gtk_init(NULL, NULL);
1310
1311         dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
1312
1313         /* atoms */
1314         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1315         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1316         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1317
1318         /* dirs and files */
1319         cookiefile = buildfile(cookiefile);
1320         scriptfile = buildfile(scriptfile);
1321         cachedir   = buildpath(cachedir);
1322         if (stylefile == NULL) {
1323                 styledir = buildpath(styledir);
1324                 for (i = 0; i < LENGTH(styles); i++) {
1325                         if (regcomp(&(styles[i].re), styles[i].regex,
1326                             REG_EXTENDED)) {
1327                                 fprintf(stderr,
1328                                         "Could not compile regex: %s\n",
1329                                         styles[i].regex);
1330                                 styles[i].regex = NULL;
1331                         }
1332                         styledirfile    = g_strconcat(styledir, "/",
1333                                                       styles[i].style, NULL);
1334                         stylepath       = buildfile(styledirfile);
1335                         styles[i].style = g_strconcat("file://", stylepath,
1336                                                       NULL);
1337                         g_free(styledirfile);
1338                         g_free(stylepath);
1339                 }
1340                 g_free(styledir);
1341         } else {
1342                 stylepath = buildfile(stylefile);
1343                 stylefile = g_strconcat("file://", stylepath, NULL);
1344                 g_free(stylepath);
1345         }
1346 }
1347
1348 void
1349 sigchld(int unused)
1350 {
1351         if (signal(SIGCHLD, sigchld) == SIG_ERR)
1352                 die("Can't install SIGCHLD handler");
1353         while (0 < waitpid(-1, NULL, WNOHANG));
1354 }
1355
1356 void
1357 spawn(Client *c, const Arg *arg)
1358 {
1359         if (fork() == 0) {
1360                 if (dpy)
1361                         close(ConnectionNumber(dpy));
1362                 setsid();
1363                 execvp(((char **)arg->v)[0], (char **)arg->v);
1364                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1365                 perror(" failed");
1366                 exit(0);
1367         }
1368 }
1369
1370 void
1371 eval(Client *c, const Arg *arg)
1372 {
1373         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1374         evalscript(webkit_web_frame_get_global_context(frame),
1375                    ((char **)arg->v)[0], "");
1376 }
1377
1378 void
1379 stop(Client *c, const Arg *arg)
1380 {
1381         webkit_web_view_stop_loading(c->view);
1382 }
1383
1384 void
1385 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1386 {
1387         c->title = webkit_web_view_get_title(c->view);
1388         updatetitle(c);
1389 }
1390
1391 void
1392 titlechangeleave(void *a, void *b, Client *c)
1393 {
1394         c->linkhover = NULL;
1395         updatetitle(c);
1396 }
1397
1398 void
1399 toggle(Client *c, const Arg *arg)
1400 {
1401         WebKitWebSettings *settings;
1402         char *name = (char *)arg->v;
1403         gboolean value;
1404         Arg a = { .b = FALSE };
1405
1406         settings = webkit_web_view_get_settings(c->view);
1407         g_object_get(G_OBJECT(settings), name, &value, NULL);
1408         g_object_set(G_OBJECT(settings), name, !value, NULL);
1409
1410         reload(c, &a);
1411 }
1412
1413 void
1414 togglecookiepolicy(Client *c, const Arg *arg)
1415 {
1416         ++cookiepolicy;
1417         cookiepolicy %= strlen(cookiepolicies);
1418
1419         webkit_cookie_manager_set_accept_policy(
1420             webkit_web_context_get_cookie_manager(
1421             webkit_web_view_get_context(c->view)),
1422             cookiepolicy_get());
1423
1424         updatetitle(c);
1425         /* Do not reload. */
1426 }
1427
1428 void
1429 togglegeolocation(Client *c, const Arg *arg)
1430 {
1431         Arg a = { .b = FALSE };
1432
1433         allowgeolocation ^= 1;
1434         reload(c, &a);
1435 }
1436
1437 void
1438 twitch(Client *c, const Arg *arg)
1439 {
1440         GtkAdjustment *a;
1441         gdouble v;
1442
1443         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(
1444                                                 c->scroll));
1445
1446         v = gtk_adjustment_get_value(a);
1447
1448         v += arg->i;
1449
1450         v = MAX(v, 0.0);
1451         v = MIN(v, gtk_adjustment_get_upper(a) -
1452                 gtk_adjustment_get_page_size(a));
1453         gtk_adjustment_set_value(a, v);
1454 }
1455
1456 void
1457 togglescrollbars(Client *c, const Arg *arg)
1458 {
1459         GtkPolicyType vspolicy;
1460         Arg a;
1461
1462         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL,
1463                                        &vspolicy);
1464
1465         if (vspolicy == GTK_POLICY_AUTOMATIC) {
1466                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1467                                                GTK_POLICY_NEVER,
1468                                                GTK_POLICY_NEVER);
1469         } else {
1470                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1471                                                GTK_POLICY_AUTOMATIC,
1472                                                GTK_POLICY_AUTOMATIC);
1473                 a.i = +1;
1474                 twitch(c, &a);
1475                 a.i = -1;
1476                 twitch(c, &a);
1477         }
1478 }
1479
1480 void
1481 togglestyle(Client *c, const Arg *arg)
1482 {
1483         enablestyle = !enablestyle;
1484         setstyle(c, enablestyle ? getstyle(geturi(c)) : "");
1485
1486         updatetitle(c);
1487 }
1488
1489 void
1490 gettogglestat(Client *c)
1491 {
1492         gboolean value;
1493         int p = 0;
1494         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1495
1496         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1497
1498         g_object_get(G_OBJECT(settings), "enable-caret-browsing", &value,
1499                      NULL);
1500         togglestat[p++] = value? 'C': 'c';
1501
1502         togglestat[p++] = allowgeolocation? 'G': 'g';
1503
1504         togglestat[p++] = enablediskcache? 'D': 'd';
1505
1506         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1507         togglestat[p++] = value? 'I': 'i';
1508
1509         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1510         togglestat[p++] = value? 'S': 's';
1511
1512         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1513         togglestat[p++] = value? 'V': 'v';
1514
1515         togglestat[p++] = enablestyle ? 'M': 'm';
1516
1517         togglestat[p] = '\0';
1518 }
1519
1520 void
1521 getpagestat(Client *c)
1522 {
1523         const char *uri = geturi(c);
1524
1525         if (strstr(uri, "https://") == uri)
1526                 pagestat[0] = c->sslfailed ? 'U' : 'T';
1527         else
1528                 pagestat[0] = '-';
1529
1530         pagestat[1] = '\0';
1531 }
1532
1533 void
1534 updatetitle(Client *c)
1535 {
1536         char *t;
1537
1538         if (showindicators) {
1539                 gettogglestat(c);
1540                 getpagestat(c);
1541
1542                 if (c->linkhover) {
1543                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1544                                             c->linkhover);
1545                 } else if (c->progress != 100) {
1546                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1547                                             togglestat, pagestat,
1548                                             c->title == NULL ? "" : c->title);
1549                 } else {
1550                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1551                                             c->title == NULL ? "" : c->title);
1552                 }
1553
1554                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1555                 g_free(t);
1556         } else {
1557                 gtk_window_set_title(GTK_WINDOW(c->win), (c->title == NULL) ?
1558                                      "" : c->title);
1559         }
1560 }
1561
1562 void
1563 updatewinid(Client *c)
1564 {
1565         snprintf(winid, LENGTH(winid), "%lu", c->xid);
1566 }
1567
1568 void
1569 usage(void)
1570 {
1571         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
1572             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
1573             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
1574 }
1575
1576 void
1577 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1578                     JSObjectRef win, Client *c)
1579 {
1580         runscript(frame);
1581 }
1582
1583 void
1584 zoom(Client *c, const Arg *arg)
1585 {
1586         c->zoomed = TRUE;
1587         if (arg->i < 0) {
1588                 /* zoom out */
1589                 webkit_web_view_zoom_out(c->view);
1590         } else if (arg->i > 0) {
1591                 /* zoom in */
1592                 webkit_web_view_zoom_in(c->view);
1593         } else {
1594                 /* reset */
1595                 c->zoomed = FALSE;
1596                 webkit_web_view_set_zoom_level(c->view, 1.0);
1597         }
1598 }
1599
1600 int
1601 main(int argc, char *argv[])
1602 {
1603         Arg arg;
1604         Client *c;
1605
1606         memset(&arg, 0, sizeof(arg));
1607
1608         /* command line args */
1609         ARGBEGIN {
1610         case 'a':
1611                 cookiepolicies = EARGF(usage());
1612                 break;
1613         case 'b':
1614                 enablescrollbars = 0;
1615                 break;
1616         case 'B':
1617                 enablescrollbars = 1;
1618                 break;
1619         case 'c':
1620                 cookiefile = EARGF(usage());
1621                 break;
1622         case 'd':
1623                 enablediskcache = 0;
1624                 break;
1625         case 'D':
1626                 enablediskcache = 1;
1627                 break;
1628         case 'e':
1629                 embed = strtol(EARGF(usage()), NULL, 0);
1630                 break;
1631         case 'f':
1632                 runinfullscreen = 0;
1633                 break;
1634         case 'F':
1635                 runinfullscreen = 1;
1636                 break;
1637         case 'g':
1638                 allowgeolocation = 0;
1639                 break;
1640         case 'G':
1641                 allowgeolocation = 1;
1642                 break;
1643         case 'i':
1644                 loadimages = 0;
1645                 break;
1646         case 'I':
1647                 loadimages = 1;
1648                 break;
1649         case 'k':
1650                 kioskmode = 0;
1651                 break;
1652         case 'K':
1653                 kioskmode = 1;
1654                 break;
1655         case 'm':
1656                 enablestyle = 0;
1657                 break;
1658         case 'M':
1659                 enablestyle = 1;
1660                 break;
1661         case 'n':
1662                 enableinspector = 0;
1663                 break;
1664         case 'N':
1665                 enableinspector = 1;
1666                 break;
1667         case 'p':
1668                 enableplugins = 0;
1669                 break;
1670         case 'P':
1671                 enableplugins = 1;
1672                 break;
1673         case 'r':
1674                 scriptfile = EARGF(usage());
1675                 break;
1676         case 's':
1677                 enablescripts = 0;
1678                 break;
1679         case 'S':
1680                 enablescripts = 1;
1681                 break;
1682         case 't':
1683                 stylefile = EARGF(usage());
1684                 break;
1685         case 'u':
1686                 useragent = EARGF(usage());
1687                 break;
1688         case 'v':
1689                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1690                     "see LICENSE for details\n");
1691         case 'x':
1692                 showxid = TRUE;
1693                 break;
1694         case 'z':
1695                 zoomlevel = strtof(EARGF(usage()), NULL);
1696                 break;
1697         default:
1698                 usage();
1699         } ARGEND;
1700         if (argc > 0)
1701                 arg.v = argv[0];
1702
1703         setup();
1704         c = newclient(NULL);
1705         showview(NULL, c);
1706         if (arg.v)
1707                 loaduri(clients, &arg);
1708         else
1709                 updatetitle(c);
1710
1711         gtk_main();
1712         cleanup();
1713
1714         return EXIT_SUCCESS;
1715 }
1716