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