surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <sys/file.h>
   6 #include <sys/types.h>
   7 #include <sys/wait.h>
   8 #include <libgen.h>
   9 #include <limits.h>
  10 #include <pwd.h>
  11 #include <regex.h>
  12 #include <signal.h>
  13 #include <stdarg.h>
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <string.h>
  17 #include <unistd.h>
  18
  19 #include <gdk/gdk.h>
  20 #include <gdk/gdkkeysyms.h>
  21 #include <gdk/gdkx.h>
  22 #include <glib/gstdio.h>
  23 #include <gtk/gtk.h>
  24 #include <gtk/gtkx.h>
  25 #include <JavaScriptCore/JavaScript.h>
  26 #include <webkit2/webkit2.h>
  27 #include <X11/X.h>
  28 #include <X11/Xatom.h>
  29
  30 #include "arg.h"
  31
  32 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
  33 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  34 #define SETB(p, s)              [p] = { { .b = s }, }
  35 #define SETI(p, s)              [p] = { { .i = s }, }
  36 #define SETV(p, s)              [p] = { { .v = s }, }
  37 #define SETF(p, s)              [p] = { { .f = s }, }
  38 #define FSETB(p, s)             [p] = { { .b = s }, 1 }
  39 #define FSETI(p, s)             [p] = { { .i = s }, 1 }
  40 #define FSETV(p, s)             [p] = { { .v = s }, 1 }
  41 #define FSETF(p, s)             [p] = { { .f = s }, 1 }
  42 #define CSETB(p, s)             [p] = (Parameter){ { .b = s }, 1 }
  43 #define CSETI(p, s)             [p] = (Parameter){ { .i = s }, 1 }
  44 #define CSETV(p, s)             [p] = (Parameter){ { .v = s }, 1 }
  45 #define CSETF(p, s)             [p] = (Parameter){ { .f = s }, 1 }
  46
  47 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  48
  49 enum {
  50         OnDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  51         OnLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  52         OnImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  53         OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  54         OnEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  55         OnBar   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
  56         OnSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  57         OnAny   = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
  58 };
  59
  60 typedef enum {
  61         AcceleratedCanvas,
  62         CaretBrowsing,
  63         CookiePolicies,
  64         DiskCache,
  65         DNSPrefetch,
  66         FontSize,
  67         FrameFlattening,
  68         Geolocation,
  69         HideBackground,
  70         Inspector,
  71         JavaScript,
  72         KioskMode,
  73         LoadImages,
  74         MediaManualPlay,
  75         Plugins,
  76         PreferredLanguages,
  77         RunInFullscreen,
  78         ScrollBars,
  79         ShowIndicators,
  80         SiteQuirks,
  81         SpellChecking,
  82         SpellLanguages,
  83         StrictTLS,
  84         Style,
  85         ZoomLevel,
  86         ParameterLast,
  87 } ParamName;
  88
  89 typedef union {
  90         int b;
  91         int i;
  92         float f;
  93         const void *v;
  94 } Arg;
  95
  96 typedef struct {
  97         Arg val;
  98         int force;
  99 } Parameter;
 100
 101 typedef struct Client {
 102         GtkWidget *win;
 103         WebKitWebView *view;
 104         WebKitWebInspector *inspector;
 105         WebKitFindController *finder;
 106         WebKitHitTestResult *mousepos;
 107         GTlsCertificateFlags tlserr;
 108         Window xid;
 109         int progress, fullscreen, https, insecure;
 110         const char *title, *overtitle, *targeturi;
 111         const char *needle;
 112         struct Client *next;
 113 } Client;
 114
 115 typedef struct {
 116         guint mod;
 117         guint keyval;
 118         void (*func)(Client *c, const Arg *a);
 119         const Arg arg;
 120 } Key;
 121
 122 typedef struct {
 123         unsigned int target;
 124         unsigned int mask;
 125         guint button;
 126         void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
 127         const Arg arg;
 128         unsigned int stopevent;
 129 } Button;
 130
 131 typedef struct {
 132         const char *uri;
 133         Parameter config[ParameterLast];
 134         regex_t re;
 135 } UriParameters;
 136
 137 typedef struct {
 138         char *regex;
 139         char *style;
 140         regex_t re;
 141 } SiteStyle;
 142
 143 /* Surf */
 144 static void usage(void);
 145 static void die(const char *errstr, ...);
 146 static void setup(void);
 147 static void sigchld(int unused);
 148 static void sighup(int unused);
 149 static char *buildfile(const char *path);
 150 static char *buildpath(const char *path);
 151 static const char *getuserhomedir(const char *user);
 152 static const char *getcurrentuserhomedir(void);
 153 static Client *newclient(Client *c);
 154 static void loaduri(Client *c, const Arg *a);
 155 static const char *geturi(Client *c);
 156 static void setatom(Client *c, int a, const char *v);
 157 static const char *getatom(Client *c, int a);
 158 static void updatetitle(Client *c);
 159 static void gettogglestats(Client *c);
 160 static void getpagestats(Client *c);
 161 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 162 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 163 static void seturiparameters(Client *c, const char *uri);
 164 static void setparameter(Client *c, int refresh, ParamName p, const Arg *a);
 165 static const char *getstyle(const char *uri);
 166 static void setstyle(Client *c, const char *stylefile);
 167 static void runscript(Client *c);
 168 static void evalscript(Client *c, const char *jsstr, ...);
 169 static void updatewinid(Client *c);
 170 static void handleplumb(Client *c, const char *uri);
 171 static void newwindow(Client *c, const Arg *a, int noembed);
 172 static void spawn(Client *c, const Arg *a);
 173 static void destroyclient(Client *c);
 174 static void cleanup(void);
 175
 176 /* GTK/WebKit */
 177 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 178 static void initwebextensions(WebKitWebContext *wc, Client *c);
 179 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
 180                              Client *c);
 181 static gboolean buttonreleased(GtkWidget *w, GdkEvent *e, Client *c);
 182 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 183                                 gpointer d);
 184 static gboolean winevent(GtkWidget *w, GdkEvent *e, Client *c);
 185 static void showview(WebKitWebView *v, Client *c);
 186 static GtkWidget *createwindow(Client *c);
 187 static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
 188 static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
 189 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
 190 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
 191                                guint modifiers, Client *c);
 192 static gboolean permissionrequested(WebKitWebView *v,
 193                                     WebKitPermissionRequest *r, Client *c);
 194 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 195                              WebKitPolicyDecisionType dt, Client *c);
 196 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
 197 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
 198 static void decideresource(WebKitPolicyDecision *d, Client *c);
 199 static void insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e,
 200                             Client *c);
 201 static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
 202                             Client *c);
 203 static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
 204 static void download(Client *c, WebKitURIResponse *r);
 205 static void closeview(WebKitWebView *v, Client *c);
 206 static void destroywin(GtkWidget* w, Client *c);
 207
 208 /* Hotkeys */
 209 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 210 static void reload(Client *c, const Arg *a);
 211 static void print(Client *c, const Arg *a);
 212 static void clipboard(Client *c, const Arg *a);
 213 static void zoom(Client *c, const Arg *a);
 214 static void scroll(Client *c, const Arg *a);
 215 static void navigate(Client *c, const Arg *a);
 216 static void stop(Client *c, const Arg *a);
 217 static void toggle(Client *c, const Arg *a);
 218 static void togglefullscreen(Client *c, const Arg *a);
 219 static void togglecookiepolicy(Client *c, const Arg *a);
 220 static void toggleinspector(Client *c, const Arg *a);
 221 static void find(Client *c, const Arg *a);
 222
 223 /* Buttons */
 224 static void clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h);
 225 static void clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h);
 226 static void clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h);
 227
 228 static char winid[64];
 229 static char togglestats[10];
 230 static char pagestats[2];
 231 static Atom atoms[AtomLast];
 232 static Window embed;
 233 static int showxid;
 234 static int cookiepolicy;
 235 static Display *dpy;
 236 static Client *clients;
 237 static GdkDevice *gdkkb;
 238 static char *stylefile;
 239 static const char *useragent;
 240 static Parameter *curconfig;
 241 char *argv0;
 242
 243 /* configuration, allows nested code to access above variables */
 244 #include "config.h"
 245
 246 void
 247 usage(void)
 248 {
 249         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
 250             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
 251             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
 252 }
 253
 254 void
 255 die(const char *errstr, ...)
 256 {
 257         va_list ap;
 258
 259         va_start(ap, errstr);
 260         vfprintf(stderr, errstr, ap);
 261         va_end(ap);
 262         exit(1);
 263 }
 264
 265 void
 266 setup(void)
 267 {
 268         GdkDisplay *gdpy;
 269         int i, j;
 270
 271         /* clean up any zombies immediately */
 272         sigchld(0);
 273         if (signal(SIGHUP, sighup) == SIG_ERR)
 274                 die("Can't install SIGHUP handler");
 275
 276         if (!(dpy = XOpenDisplay(NULL)))
 277                 die("Can't open default display");
 278
 279         /* atoms */
 280         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
 281         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
 282         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
 283
 284         gtk_init(NULL, NULL);
 285
 286         gdpy = gdk_display_get_default();
 287
 288         curconfig = defconfig;
 289
 290         /* dirs and files */
 291         cookiefile = buildfile(cookiefile);
 292         scriptfile = buildfile(scriptfile);
 293         cachedir   = buildpath(cachedir);
 294
 295         gdkkb = gdk_seat_get_keyboard(gdk_display_get_default_seat(gdpy));
 296
 297         if (!stylefile) {
 298                 styledir = buildpath(styledir);
 299                 for (i = 0; i < LENGTH(styles); ++i) {
 300                         if (regcomp(&(styles[i].re), styles[i].regex,
 301                             REG_EXTENDED)) {
 302                                 fprintf(stderr,
 303                                         "Could not compile regex: %s\n",
 304                                         styles[i].regex);
 305                                 styles[i].regex = NULL;
 306                         }
 307                         styles[i].style = g_strconcat(styledir, "/",
 308                                                       styles[i].style, NULL);
 309                 }
 310                 g_free(styledir);
 311         } else {
 312                 stylefile = buildfile(stylefile);
 313         }
 314
 315         for (i = 0; i < LENGTH(uriparams); ++i) {
 316                 if (!regcomp(&(uriparams[i].re), uriparams[i].uri,
 317                     REG_EXTENDED)) {
 318                         /* copy default parameters if they are not already set
 319                          * or if they are forced */
 320                         for (j = 0; j < ParameterLast; ++j) {
 321                                 if (!uriparams[i].config[j].force ||
 322                                     defconfig[j].force)
 323                                         uriparams[i].config[j] = defconfig[j];
 324                         }
 325                 } else {
 326                         fprintf(stderr,
 327                                 "Could not compile regex: %s\n",
 328                                 uriparams[i].uri);
 329                         uriparams[i].uri = NULL;
 330                 }
 331         }
 332 }
 333
 334 void
 335 sigchld(int unused)
 336 {
 337         if (signal(SIGCHLD, sigchld) == SIG_ERR)
 338                 die("Can't install SIGCHLD handler");
 339         while (waitpid(-1, NULL, WNOHANG) > 0)
 340                 ;
 341 }
 342
 343 void
 344 sighup(int unused)
 345 {
 346         Arg a = { .b = 0 };
 347         Client *c;
 348
 349         for (c = clients; c; c = c->next)
 350                 reload(c, &a);
 351 }
 352
 353 char *
 354 buildfile(const char *path)
 355 {
 356         char *dname, *bname, *bpath, *fpath;
 357         FILE *f;
 358
 359         dname = g_path_get_dirname(path);
 360         bname = g_path_get_basename(path);
 361
 362         bpath = buildpath(dname);
 363         g_free(dname);
 364
 365         fpath = g_build_filename(bpath, bname, NULL);
 366         g_free(bpath);
 367         g_free(bname);
 368
 369         if (!(f = fopen(fpath, "a")))
 370                 die("Could not open file: %s\n", fpath);
 371
 372         g_chmod(fpath, 0600); /* always */
 373         fclose(f);
 374
 375         return fpath;
 376 }
 377
 378 static const char*
 379 getuserhomedir(const char *user)
 380 {
 381         struct passwd *pw = getpwnam(user);
 382
 383         if (!pw)
 384                 die("Can't get user %s login information.\n", user);
 385
 386         return pw->pw_dir;
 387 }
 388
 389 static const char*
 390 getcurrentuserhomedir(void)
 391 {
 392         const char *homedir;
 393         const char *user;
 394         struct passwd *pw;
 395
 396         homedir = getenv("HOME");
 397         if (homedir)
 398                 return homedir;
 399
 400         user = getenv("USER");
 401         if (user)
 402                 return getuserhomedir(user);
 403
 404         pw = getpwuid(getuid());
 405         if (!pw)
 406                 die("Can't get current user home directory\n");
 407
 408         return pw->pw_dir;
 409 }
 410
 411 char *
 412 buildpath(const char *path)
 413 {
 414         char *apath, *name, *p, *fpath;
 415         const char *homedir;
 416
 417         if (path[0] == '~') {
 418                 if (path[1] == '/' || path[1] == '\0') {
 419                         p = (char *)&path[1];
 420                         homedir = getcurrentuserhomedir();
 421                 } else {
 422                         if ((p = strchr(path, '/')))
 423                                 name = g_strndup(&path[1], --p - path);
 424                         else
 425                                 name = g_strdup(&path[1]);
 426
 427                         homedir = getuserhomedir(name);
 428                         g_free(name);
 429                 }
 430                 apath = g_build_filename(homedir, p, NULL);
 431         } else {
 432                 apath = g_strdup(path);
 433         }
 434
 435         /* creating directory */
 436         if (g_mkdir_with_parents(apath, 0700) < 0)
 437                 die("Could not access directory: %s\n", apath);
 438
 439         fpath = realpath(apath, NULL);
 440         g_free(apath);
 441
 442         return fpath;
 443 }
 444
 445 Client *
 446 newclient(Client *rc)
 447 {
 448         Client *c;
 449
 450         if (!(c = calloc(1, sizeof(Client))))
 451                 die("Cannot malloc!\n");
 452
 453         c->next = clients;
 454         clients = c;
 455
 456         c->progress = 100;
 457         c->view = newview(c, rc ? rc->view : NULL);
 458
 459         return c;
 460 }
 461
 462 void
 463 loaduri(Client *c, const Arg *a)
 464 {
 465         struct stat st;
 466         char *url, *path;
 467         const char *uri = a->v;
 468
 469         if (g_strcmp0(uri, "") == 0)
 470                 return;
 471
 472         if (g_str_has_prefix(uri, "http://")  ||
 473             g_str_has_prefix(uri, "https://") ||
 474             g_str_has_prefix(uri, "file://")  ||
 475             g_str_has_prefix(uri, "about:")) {
 476                 url = g_strdup(uri);
 477         } else if (!stat(uri, &st) && (path = realpath(uri, NULL))) {
 478                 url = g_strdup_printf("file://%s", path);
 479                 free(path);
 480         } else {
 481                 url = g_strdup_printf("http://%s", uri);
 482         }
 483
 484         setatom(c, AtomUri, url);
 485
 486         if (strcmp(url, geturi(c)) == 0) {
 487                 reload(c, a);
 488         } else {
 489                 webkit_web_view_load_uri(c->view, url);
 490                 updatetitle(c);
 491         }
 492
 493         g_free(url);
 494 }
 495
 496 const char *
 497 geturi(Client *c)
 498 {
 499         const char *uri;
 500
 501         if (!(uri = webkit_web_view_get_uri(c->view)))
 502                 uri = "about:blank";
 503         return uri;
 504 }
 505
 506 void
 507 setatom(Client *c, int a, const char *v)
 508 {
 509         XSync(dpy, False);
 510         XChangeProperty(dpy, c->xid,
 511                         atoms[a], XA_STRING, 8, PropModeReplace,
 512                         (unsigned char *)v, strlen(v) + 1);
 513 }
 514
 515 const char *
 516 getatom(Client *c, int a)
 517 {
 518         static char buf[BUFSIZ];
 519         Atom adummy;
 520         int idummy;
 521         unsigned long ldummy;
 522         unsigned char *p = NULL;
 523
 524         XGetWindowProperty(dpy, c->xid, atoms[a], 0L, BUFSIZ, False, XA_STRING,
 525                            &adummy, &idummy, &ldummy, &ldummy, &p);
 526         if (p)
 527                 strncpy(buf, (char *)p, LENGTH(buf) - 1);
 528         else
 529                 buf[0] = '\0';
 530         XFree(p);
 531
 532         return buf;
 533 }
 534
 535 void
 536 updatetitle(Client *c)
 537 {
 538         char *title;
 539         const char *name = c->overtitle ? c->overtitle :
 540                            c->title ? c->title : "";
 541
 542         if (curconfig[ShowIndicators].val.b) {
 543                 gettogglestats(c);
 544                 getpagestats(c);
 545
 546                 if (c->progress != 100)
 547                         title = g_strdup_printf("[%i%%] %s:%s | %s",
 548                                 c->progress, togglestats, pagestats, name);
 549                 else
 550                         title = g_strdup_printf("%s:%s | %s",
 551                                 togglestats, pagestats, name);
 552
 553                 gtk_window_set_title(GTK_WINDOW(c->win), title);
 554                 g_free(title);
 555         } else {
 556                 gtk_window_set_title(GTK_WINDOW(c->win), name);
 557         }
 558 }
 559
 560 void
 561 gettogglestats(Client *c)
 562 {
 563         togglestats[0] = cookiepolicy_set(cookiepolicy_get());
 564         togglestats[1] = curconfig[CaretBrowsing].val.b ?   'C' : 'c';
 565         togglestats[2] = curconfig[Geolocation].val.b ?     'G' : 'g';
 566         togglestats[3] = curconfig[DiskCache].val.b ?       'D' : 'd';
 567         togglestats[4] = curconfig[LoadImages].val.b ?      'I' : 'i';
 568         togglestats[5] = curconfig[JavaScript].val.b ?      'S' : 's';
 569         togglestats[6] = curconfig[Plugins].val.b ?         'V' : 'v';
 570         togglestats[7] = curconfig[Style].val.b ?           'M' : 'm';
 571         togglestats[8] = curconfig[FrameFlattening].val.b ? 'F' : 'f';
 572         togglestats[9] = '\0';
 573 }
 574
 575 void
 576 getpagestats(Client *c)
 577 {
 578         if (c->https)
 579                 pagestats[0] = (c->tlserr || c->insecure) ?  'U' : 'T';
 580         else
 581                 pagestats[0] = '-';
 582         pagestats[1] = '\0';
 583 }
 584
 585 WebKitCookieAcceptPolicy
 586 cookiepolicy_get(void)
 587 {
 588         switch (((char *)curconfig[CookiePolicies].val.v)[cookiepolicy]) {
 589         case 'a':
 590                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 591         case '@':
 592                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 593         default: /* fallthrough */
 594         case 'A':
 595                 return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 596         }
 597 }
 598
 599 char
 600 cookiepolicy_set(const WebKitCookieAcceptPolicy p)
 601 {
 602         switch (p) {
 603         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 604                 return 'a';
 605         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 606                 return '@';
 607         default: /* fallthrough */
 608         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 609                 return 'A';
 610         }
 611 }
 612
 613 void
 614 seturiparameters(Client *c, const char *uri)
 615 {
 616         int i;
 617
 618         for (i = 0; i < LENGTH(uriparams); ++i) {
 619                 if (uriparams[i].uri &&
 620                     !regexec(&(uriparams[i].re), uri, 0, NULL, 0)) {
 621                         curconfig = uriparams[i].config;
 622                         break;
 623                 }
 624         }
 625
 626         for (i = 0; i < ParameterLast; ++i)
 627                 setparameter(c, 0, i, &curconfig[i].val);
 628 }
 629
 630 void
 631 setparameter(Client *c, int refresh, ParamName p, const Arg *a)
 632 {
 633         GdkRGBA bgcolor = { 0 };
 634         WebKitSettings *s = webkit_web_view_get_settings(c->view);
 635
 636         switch (p) {
 637         case AcceleratedCanvas:
 638                 webkit_settings_set_enable_accelerated_2d_canvas(s, a->b);
 639                 break;
 640         case CaretBrowsing:
 641                 webkit_settings_set_enable_caret_browsing(s, a->b);
 642                 refresh = 0;
 643                 break;
 644         case CookiePolicies:
 645                 webkit_cookie_manager_set_accept_policy(
 646                     webkit_web_context_get_cookie_manager(
 647                     webkit_web_view_get_context(c->view)),
 648                     cookiepolicy_get());
 649                 refresh = 0;
 650                 break;
 651         case DiskCache:
 652                 webkit_web_context_set_cache_model(
 653                     webkit_web_view_get_context(c->view), a->b ?
 654                     WEBKIT_CACHE_MODEL_WEB_BROWSER :
 655                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 656                 return; /* do not update */
 657         case DNSPrefetch:
 658                 webkit_settings_set_enable_dns_prefetching(s, a->b);
 659                 return; /* do not update */
 660         case FontSize:
 661                 webkit_settings_set_default_font_size(s, a->i);
 662                 return; /* do not update */
 663         case FrameFlattening:
 664                 webkit_settings_set_enable_frame_flattening(s, a->b);
 665                 break;
 666         case Geolocation:
 667                 refresh = 0;
 668                 break;
 669         case HideBackground:
 670                 if (a->b)
 671                         webkit_web_view_set_background_color(c->view, &bgcolor);
 672                 return; /* do not update */
 673         case Inspector:
 674                 webkit_settings_set_enable_developer_extras(s, a->b);
 675                 return; /* do not update */
 676         case JavaScript:
 677                 webkit_settings_set_enable_javascript(s, a->b);
 678                 break;
 679         case KioskMode:
 680                 return; /* do nothing */
 681         case LoadImages:
 682                 webkit_settings_set_auto_load_images(s, a->b);
 683                 break;
 684         case MediaManualPlay:
 685                 webkit_settings_set_media_playback_requires_user_gesture(s, a->b);
 686                 break;
 687         case Plugins:
 688                 webkit_settings_set_enable_plugins(s, a->b);
 689                 break;
 690         case PreferredLanguages:
 691                 return; /* do nothing */
 692         case RunInFullscreen:
 693                 return; /* do nothing */
 694         case ScrollBars:
 695                 /* Disabled until we write some WebKitWebExtension for
 696                  * manipulating the DOM directly.
 697                 enablescrollbars = !enablescrollbars;
 698                 evalscript(c, "document.documentElement.style.overflow = '%s'",
 699                     enablescrollbars ? "auto" : "hidden");
 700                 */
 701                 return; /* do not update */
 702         case ShowIndicators:
 703                 break;
 704         case SiteQuirks:
 705                 webkit_settings_set_enable_site_specific_quirks(s, a->b);
 706                 break;
 707         case SpellChecking:
 708                 webkit_web_context_set_spell_checking_enabled(
 709                     webkit_web_view_get_context(c->view), a->b);
 710                 return; /* do not update */
 711         case SpellLanguages:
 712                 return; /* do nothing */
 713         case StrictTLS:
 714                 webkit_web_context_set_tls_errors_policy(
 715                     webkit_web_view_get_context(c->view), a->b ?
 716                     WEBKIT_TLS_ERRORS_POLICY_FAIL :
 717                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 718                 return; /* do not update */
 719         case Style:
 720                 if (a->b)
 721                         setstyle(c, getstyle(geturi(c)));
 722                 else
 723                         webkit_user_content_manager_remove_all_style_sheets(
 724                             webkit_web_view_get_user_content_manager(c->view));
 725                 refresh = 0;
 726                 break;
 727         case ZoomLevel:
 728                 webkit_web_view_set_zoom_level(c->view, a->f);
 729                 return; /* do not update */
 730         default:
 731                 return; /* do nothing */
 732         }
 733
 734         updatetitle(c);
 735         if (refresh)
 736                 reload(c, a);
 737 }
 738
 739 const char *
 740 getstyle(const char *uri)
 741 {
 742         int i;
 743
 744         if (stylefile)
 745                 return stylefile;
 746
 747         for (i = 0; i < LENGTH(styles); ++i) {
 748                 if (styles[i].regex &&
 749                     !regexec(&(styles[i].re), uri, 0, NULL, 0))
 750                         return styles[i].style;
 751         }
 752
 753         return "";
 754 }
 755
 756 void
 757 setstyle(Client *c, const char *stylefile)
 758 {
 759         gchar *style;
 760
 761         if (!g_file_get_contents(stylefile, &style, NULL, NULL)) {
 762                 fprintf(stderr, "Could not read style file: %s\n", stylefile);
 763                 return;
 764         }
 765
 766         webkit_user_content_manager_add_style_sheet(
 767             webkit_web_view_get_user_content_manager(c->view),
 768             webkit_user_style_sheet_new(style,
 769             WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 770             WEBKIT_USER_STYLE_LEVEL_USER,
 771             NULL, NULL));
 772
 773         g_free(style);
 774 }
 775
 776 void
 777 runscript(Client *c)
 778 {
 779         gchar *script;
 780         gsize l;
 781
 782         if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
 783                 evalscript(c, script);
 784         g_free(script);
 785 }
 786
 787 void
 788 evalscript(Client *c, const char *jsstr, ...)
 789 {
 790         va_list ap;
 791         gchar *script;
 792
 793         va_start(ap, jsstr);
 794         script = g_strdup_vprintf(jsstr, ap);
 795         va_end(ap);
 796
 797         webkit_web_view_run_javascript(c->view, script, NULL, NULL, NULL);
 798         g_free(script);
 799 }
 800
 801 void
 802 updatewinid(Client *c)
 803 {
 804         snprintf(winid, LENGTH(winid), "%lu", c->xid);
 805 }
 806
 807 void
 808 handleplumb(Client *c, const char *uri)
 809 {
 810         Arg a = (Arg)PLUMB(uri);
 811         spawn(c, &a);
 812 }
 813
 814 void
 815 newwindow(Client *c, const Arg *a, int noembed)
 816 {
 817         int i = 0;
 818         char tmp[64];
 819         const char *cmd[26], *uri;
 820         const Arg arg = { .v = cmd };
 821
 822         cmd[i++] = argv0;
 823         cmd[i++] = "-a";
 824         cmd[i++] = curconfig[CookiePolicies].val.v;
 825         cmd[i++] = curconfig[ScrollBars].val.b ? "-B" : "-b";
 826         if (cookiefile && g_strcmp0(cookiefile, "")) {
 827                 cmd[i++] = "-c";
 828                 cmd[i++] = cookiefile;
 829         }
 830         cmd[i++] = curconfig[DiskCache].val.b ? "-D" : "-d";
 831         if (embed && !noembed) {
 832                 cmd[i++] = "-e";
 833                 snprintf(tmp, LENGTH(tmp), "%lu", embed);
 834                 cmd[i++] = tmp;
 835         }
 836         cmd[i++] = curconfig[RunInFullscreen].val.b ? "-F" : "-f" ;
 837         cmd[i++] = curconfig[Geolocation].val.b ?     "-G" : "-g" ;
 838         cmd[i++] = curconfig[LoadImages].val.b ?      "-I" : "-i" ;
 839         cmd[i++] = curconfig[KioskMode].val.b ?       "-K" : "-k" ;
 840         cmd[i++] = curconfig[Style].val.b ?           "-M" : "-m" ;
 841         cmd[i++] = curconfig[Inspector].val.b ?       "-N" : "-n" ;
 842         cmd[i++] = curconfig[Plugins].val.b ?         "-P" : "-p" ;
 843         if (scriptfile && g_strcmp0(scriptfile, "")) {
 844                 cmd[i++] = "-r";
 845                 cmd[i++] = scriptfile;
 846         }
 847         cmd[i++] = curconfig[JavaScript].val.b ? "-S" : "-s";
 848         if (stylefile && g_strcmp0(stylefile, "")) {
 849                 cmd[i++] = "-t";
 850                 cmd[i++] = stylefile;
 851         }
 852         if (fulluseragent && g_strcmp0(fulluseragent, "")) {
 853                 cmd[i++] = "-u";
 854                 cmd[i++] = fulluseragent;
 855         }
 856         if (showxid)
 857                 cmd[i++] = "-x";
 858         /* do not keep zoom level */
 859         cmd[i++] = "--";
 860         if ((uri = a->v))
 861                 cmd[i++] = uri;
 862         cmd[i] = NULL;
 863
 864         spawn(c, &arg);
 865 }
 866
 867 void
 868 spawn(Client *c, const Arg *a)
 869 {
 870         if (fork() == 0) {
 871                 if (dpy)
 872                         close(ConnectionNumber(dpy));
 873                 setsid();
 874                 execvp(((char **)a->v)[0], (char **)a->v);
 875                 fprintf(stderr, "%s: execvp %s", argv0, ((char **)a->v)[0]);
 876                 perror(" failed");
 877                 exit(1);
 878         }
 879 }
 880
 881 void
 882 destroyclient(Client *c)
 883 {
 884         Client *p;
 885
 886         webkit_web_view_stop_loading(c->view);
 887         /* Not needed, has already been called
 888         gtk_widget_destroy(c->win);
 889          */
 890
 891         for (p = clients; p && p->next != c; p = p->next)
 892                 ;
 893         if (p)
 894                 p->next = c->next;
 895         else
 896                 clients = c->next;
 897         free(c);
 898 }
 899
 900 void
 901 cleanup(void)
 902 {
 903         while (clients)
 904                 destroyclient(clients);
 905         g_free(cookiefile);
 906         g_free(scriptfile);
 907         g_free(stylefile);
 908         g_free(cachedir);
 909         XCloseDisplay(dpy);
 910 }
 911
 912 WebKitWebView *
 913 newview(Client *c, WebKitWebView *rv)
 914 {
 915         WebKitWebView *v;
 916         WebKitSettings *settings;
 917         WebKitUserContentManager *contentmanager;
 918         WebKitWebContext *context;
 919
 920         /* Webview */
 921         if (rv) {
 922                 v = WEBKIT_WEB_VIEW(
 923                     webkit_web_view_new_with_related_view(rv));
 924         } else {
 925                 settings = webkit_settings_new_with_settings(
 926                    "auto-load-images", curconfig[LoadImages].val.b,
 927                    "default-font-size", curconfig[FontSize].val.i,
 928                    "enable-caret-browsing", curconfig[CaretBrowsing].val.b,
 929                    "enable-developer-extras", curconfig[Inspector].val.b,
 930                    "enable-dns-prefetching", curconfig[DNSPrefetch].val.b,
 931                    "enable-frame-flattening", curconfig[FrameFlattening].val.b,
 932                    "enable-html5-database", curconfig[DiskCache].val.b,
 933                    "enable-html5-local-storage", curconfig[DiskCache].val.b,
 934                    "enable-javascript", curconfig[JavaScript].val.b,
 935                    "enable-plugins", curconfig[Plugins].val.b,
 936                    "enable-accelerated-2d-canvas", curconfig[AcceleratedCanvas].val.b,
 937                    "enable-site-specific-quirks", curconfig[SiteQuirks].val.b,
 938                    "media-playback-requires-user-gesture", curconfig[MediaManualPlay].val.b,
 939                    NULL);
 940 /* For mor interesting settings, have a look at
 941  * http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html */
 942
 943                 if (strcmp(fulluseragent, "")) {
 944                         webkit_settings_set_user_agent(settings, fulluseragent);
 945                 } else if (surfuseragent) {
 946                         webkit_settings_set_user_agent_with_application_details(
 947                             settings, "Surf", VERSION);
 948                 }
 949                 useragent = webkit_settings_get_user_agent(settings);
 950
 951                 contentmanager = webkit_user_content_manager_new();
 952
 953                 context = webkit_web_context_new_with_website_data_manager(
 954                           webkit_website_data_manager_new(
 955                           "base-cache-directory", cachedir,
 956                           "base-data-directory", cachedir,
 957                           NULL));
 958
 959                 /* rendering process model, can be a shared unique one
 960                  * or one for each view */
 961                 webkit_web_context_set_process_model(context,
 962                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
 963                 /* TLS */
 964                 webkit_web_context_set_tls_errors_policy(context,
 965                     curconfig[StrictTLS].val.b ? WEBKIT_TLS_ERRORS_POLICY_FAIL :
 966                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 967                 /* disk cache */
 968                 webkit_web_context_set_cache_model(context,
 969                     curconfig[DiskCache].val.b ? WEBKIT_CACHE_MODEL_WEB_BROWSER :
 970                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 971
 972                 /* Currently only works with text file to be compatible with curl */
 973                 webkit_cookie_manager_set_persistent_storage(
 974                     webkit_web_context_get_cookie_manager(context), cookiefile,
 975                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
 976                 /* cookie policy */
 977                 webkit_cookie_manager_set_accept_policy(
 978                     webkit_web_context_get_cookie_manager(context),
 979                     cookiepolicy_get());
 980                 /* languages */
 981                 webkit_web_context_set_preferred_languages(context,
 982                     curconfig[PreferredLanguages].val.v);
 983                 webkit_web_context_set_spell_checking_languages(context,
 984                     curconfig[SpellLanguages].val.v);
 985                 webkit_web_context_set_spell_checking_enabled(context,
 986                     curconfig[SpellChecking].val.b);
 987
 988                 g_signal_connect(G_OBJECT(context), "download-started",
 989                                  G_CALLBACK(downloadstarted), c);
 990                 g_signal_connect(G_OBJECT(context), "initialize-web-extensions",
 991                                  G_CALLBACK(initwebextensions), c);
 992
 993                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
 994                     "settings", settings,
 995                     "user-content-manager", contentmanager,
 996                     "web-context", context,
 997                     NULL);
 998         }
 999
1000         g_signal_connect(G_OBJECT(v), "notify::estimated-load-progress",
1001                          G_CALLBACK(progresschanged), c);
1002         g_signal_connect(G_OBJECT(v), "notify::title",
1003                          G_CALLBACK(titlechanged), c);
1004         g_signal_connect(G_OBJECT(v), "button-release-event",
1005                          G_CALLBACK(buttonreleased), c);
1006         g_signal_connect(G_OBJECT(v), "close",
1007                         G_CALLBACK(closeview), c);
1008         g_signal_connect(G_OBJECT(v), "create",
1009                          G_CALLBACK(createview), c);
1010         g_signal_connect(G_OBJECT(v), "decide-policy",
1011                          G_CALLBACK(decidepolicy), c);
1012         g_signal_connect(G_OBJECT(v), "insecure-content-detected",
1013                          G_CALLBACK(insecurecontent), c);
1014         g_signal_connect(G_OBJECT(v), "load-changed",
1015                          G_CALLBACK(loadchanged), c);
1016         g_signal_connect(G_OBJECT(v), "mouse-target-changed",
1017                          G_CALLBACK(mousetargetchanged), c);
1018         g_signal_connect(G_OBJECT(v), "permission-request",
1019                          G_CALLBACK(permissionrequested), c);
1020         g_signal_connect(G_OBJECT(v), "ready-to-show",
1021                          G_CALLBACK(showview), c);
1022
1023         return v;
1024 }
1025
1026 void
1027 initwebextensions(WebKitWebContext *wc, Client *c)
1028 {
1029         webkit_web_context_set_web_extensions_directory(wc, WEBEXTDIR);
1030 }
1031
1032 GtkWidget *
1033 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
1034 {
1035         Client *n;
1036
1037         switch (webkit_navigation_action_get_navigation_type(a)) {
1038         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1039                 /*
1040                  * popup windows of type “other” are almost always triggered
1041                  * by user gesture, so inverse the logic here
1042                  */
1043 /* instead of this, compare destination uri to mouse-over uri for validating window */
1044                 if (webkit_navigation_action_is_user_gesture(a))
1045                         return NULL;
1046         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1047         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1048         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1049         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1050         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1051                 n = newclient(c);
1052                 break;
1053         default:
1054                 return NULL;
1055         }
1056
1057         return GTK_WIDGET(n->view);
1058 }
1059
1060 gboolean
1061 buttonreleased(GtkWidget *w, GdkEvent *e, Client *c)
1062 {
1063         WebKitHitTestResultContext element;
1064         int i;
1065
1066         element = webkit_hit_test_result_get_context(c->mousepos);
1067
1068         for (i = 0; i < LENGTH(buttons); ++i) {
1069                 if (element & buttons[i].target &&
1070                     e->button.button == buttons[i].button &&
1071                     CLEANMASK(e->button.state) == CLEANMASK(buttons[i].mask) &&
1072                     buttons[i].func) {
1073                         buttons[i].func(c, &buttons[i].arg, c->mousepos);
1074                         return buttons[i].stopevent;
1075                 }
1076         }
1077
1078         return FALSE;
1079 }
1080
1081 GdkFilterReturn
1082 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1083 {
1084         Client *c = (Client *)d;
1085         XPropertyEvent *ev;
1086         Arg a;
1087
1088         if (((XEvent *)e)->type == PropertyNotify) {
1089                 ev = &((XEvent *)e)->xproperty;
1090                 if (ev->state == PropertyNewValue) {
1091                         if (ev->atom == atoms[AtomFind]) {
1092                                 find(c, NULL);
1093
1094                                 return GDK_FILTER_REMOVE;
1095                         } else if (ev->atom == atoms[AtomGo]) {
1096                                 a.v = getatom(c, AtomGo);
1097                                 loaduri(c, &a);
1098
1099                                 return GDK_FILTER_REMOVE;
1100                         }
1101                 }
1102         }
1103         return GDK_FILTER_CONTINUE;
1104 }
1105
1106 gboolean
1107 winevent(GtkWidget *w, GdkEvent *e, Client *c)
1108 {
1109         int i;
1110
1111         switch (e->type) {
1112         case GDK_ENTER_NOTIFY:
1113                 c->overtitle = c->targeturi;
1114                 updatetitle(c);
1115                 break;
1116         case GDK_KEY_PRESS:
1117                 if (!curconfig[KioskMode].val.b) {
1118                         for (i = 0; i < LENGTH(keys); ++i) {
1119                                 if (gdk_keyval_to_lower(e->key.keyval) ==
1120                                     keys[i].keyval &&
1121                                     CLEANMASK(e->key.state) == keys[i].mod &&
1122                                     keys[i].func) {
1123                                         updatewinid(c);
1124                                         keys[i].func(c, &(keys[i].arg));
1125                                         return TRUE;
1126                                 }
1127                         }
1128                 }
1129         case GDK_LEAVE_NOTIFY:
1130                 c->overtitle = NULL;
1131                 updatetitle(c);
1132                 break;
1133         case GDK_WINDOW_STATE:
1134                 if (e->window_state.changed_mask ==
1135                     GDK_WINDOW_STATE_FULLSCREEN)
1136                         c->fullscreen = e->window_state.new_window_state &
1137                                         GDK_WINDOW_STATE_FULLSCREEN;
1138                 break;
1139         default:
1140                 break;
1141         }
1142
1143         return FALSE;
1144 }
1145
1146 void
1147 showview(WebKitWebView *v, Client *c)
1148 {
1149         GdkRGBA bgcolor = { 0 };
1150         GdkWindow *gwin;
1151
1152         c->finder = webkit_web_view_get_find_controller(c->view);
1153         c->inspector = webkit_web_view_get_inspector(c->view);
1154
1155         c->win = createwindow(c);
1156
1157         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1158         gtk_widget_show_all(c->win);
1159         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1160
1161         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1162         c->xid = gdk_x11_window_get_xid(gwin);
1163         updatewinid(c);
1164         if (showxid) {
1165                 gdk_display_sync(gtk_widget_get_display(c->win));
1166                 puts(winid);
1167         }
1168
1169         if (curconfig[HideBackground].val.b)
1170                 webkit_web_view_set_background_color(c->view, &bgcolor);
1171
1172         if (!curconfig[KioskMode].val.b) {
1173                 gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1174                 gdk_window_add_filter(gwin, processx, c);
1175         }
1176
1177         if (curconfig[RunInFullscreen].val.b)
1178                 togglefullscreen(c, NULL);
1179
1180         if (curconfig[ZoomLevel].val.f != 1.0)
1181                 webkit_web_view_set_zoom_level(c->view,
1182                                                curconfig[ZoomLevel].val.f);
1183
1184         setatom(c, AtomFind, "");
1185         setatom(c, AtomUri, "about:blank");
1186 }
1187
1188 GtkWidget *
1189 createwindow(Client *c)
1190 {
1191         char *wmstr;
1192         GtkWidget *w;
1193
1194         if (embed) {
1195                 w = gtk_plug_new(embed);
1196         } else {
1197                 w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1198
1199                 wmstr = g_path_get_basename(argv0);
1200                 gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf");
1201                 g_free(wmstr);
1202
1203                 wmstr = g_strdup_printf("%s[%lu]", "Surf",
1204                         webkit_web_view_get_page_id(c->view));
1205                 gtk_window_set_role(GTK_WINDOW(w), wmstr);
1206                 g_free(wmstr);
1207
1208                 gtk_window_set_default_size(GTK_WINDOW(w), winsize[0], winsize[1]);
1209         }
1210
1211         g_signal_connect(G_OBJECT(w), "destroy",
1212                          G_CALLBACK(destroywin), c);
1213         g_signal_connect(G_OBJECT(w), "enter-notify-event",
1214                          G_CALLBACK(winevent), c);
1215         g_signal_connect(G_OBJECT(w), "key-press-event",
1216                          G_CALLBACK(winevent), c);
1217         g_signal_connect(G_OBJECT(w), "leave-notify-event",
1218                          G_CALLBACK(winevent), c);
1219         g_signal_connect(G_OBJECT(w), "window-state-event",
1220                          G_CALLBACK(winevent), c);
1221
1222         return w;
1223 }
1224
1225 void
1226 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
1227 {
1228         const char *title = geturi(c);
1229
1230         switch (e) {
1231         case WEBKIT_LOAD_STARTED:
1232                 curconfig = defconfig;
1233                 setatom(c, AtomUri, title);
1234                 c->title = title;
1235                 c->https = c->insecure = 0;
1236                 seturiparameters(c, geturi(c));
1237                 break;
1238         case WEBKIT_LOAD_REDIRECTED:
1239                 setatom(c, AtomUri, title);
1240                 c->title = title;
1241                 seturiparameters(c, geturi(c));
1242                 break;
1243         case WEBKIT_LOAD_COMMITTED:
1244                 c->https = webkit_web_view_get_tls_info(c->view, NULL,
1245                                                         &c->tlserr);
1246                 break;
1247         case WEBKIT_LOAD_FINISHED:
1248                 /* Disabled until we write some WebKitWebExtension for
1249                  * manipulating the DOM directly.
1250                 evalscript(c, "document.documentElement.style.overflow = '%s'",
1251                     enablescrollbars ? "auto" : "hidden");
1252                 */
1253                 runscript(c);
1254                 break;
1255         }
1256         updatetitle(c);
1257 }
1258
1259 void
1260 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1261 {
1262         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1263                       100;
1264         updatetitle(c);
1265 }
1266
1267 void
1268 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1269 {
1270         c->title = webkit_web_view_get_title(c->view);
1271         updatetitle(c);
1272 }
1273
1274 void
1275 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
1276     Client *c)
1277 {
1278         WebKitHitTestResultContext hc = webkit_hit_test_result_get_context(h);
1279
1280         /* Keep the hit test to know where is the pointer on the next click */
1281         c->mousepos = h;
1282
1283         if (hc & OnLink)
1284                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
1285         else if (hc & OnImg)
1286                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
1287         else if (hc & OnMedia)
1288                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
1289         else
1290                 c->targeturi = NULL;
1291
1292         c->overtitle = c->targeturi;
1293         updatetitle(c);
1294 }
1295
1296 gboolean
1297 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
1298 {
1299         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
1300                 if (curconfig[Geolocation].val.b)
1301                         webkit_permission_request_allow(r);
1302                 else
1303                         webkit_permission_request_deny(r);
1304                 return TRUE;
1305         }
1306
1307         return FALSE;
1308 }
1309
1310 gboolean
1311 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
1312     WebKitPolicyDecisionType dt, Client *c)
1313 {
1314         switch (dt) {
1315         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
1316                 decidenavigation(d, c);
1317                 break;
1318         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
1319                 decidenewwindow(d, c);
1320                 break;
1321         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
1322                 decideresource(d, c);
1323                 break;
1324         default:
1325                 webkit_policy_decision_ignore(d);
1326                 break;
1327         }
1328         return TRUE;
1329 }
1330
1331 void
1332 decidenavigation(WebKitPolicyDecision *d, Client *c)
1333 {
1334         WebKitNavigationAction *a =
1335             webkit_navigation_policy_decision_get_navigation_action(
1336             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1337
1338         switch (webkit_navigation_action_get_navigation_type(a)) {
1339         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1340         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1341         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1342         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1343         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED: /* fallthrough */
1344         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1345         default:
1346                 /* Do not navigate to links with a "_blank" target (popup) */
1347                 if (webkit_navigation_policy_decision_get_frame_name(
1348                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
1349                         webkit_policy_decision_ignore(d);
1350                 } else {
1351                         /* Filter out navigation to different domain ? */
1352                         /* get action→urirequest, copy and load in new window+view
1353                          * on Ctrl+Click ? */
1354                         webkit_policy_decision_use(d);
1355                 }
1356                 break;
1357         }
1358 }
1359
1360 void
1361 decidenewwindow(WebKitPolicyDecision *d, Client *c)
1362 {
1363         Arg arg;
1364         WebKitNavigationAction *a =
1365             webkit_navigation_policy_decision_get_navigation_action(
1366             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1367
1368
1369         switch (webkit_navigation_action_get_navigation_type(a)) {
1370         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1371         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1372         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1373         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1374         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1375                 /* Filter domains here */
1376 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
1377  * test for link clicked but no button ? */
1378                 arg.v = webkit_uri_request_get_uri(
1379                         webkit_navigation_action_get_request(a));
1380                 newwindow(c, &arg, 0);
1381                 break;
1382         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1383         default:
1384                 break;
1385         }
1386
1387         webkit_policy_decision_ignore(d);
1388 }
1389
1390 void
1391 decideresource(WebKitPolicyDecision *d, Client *c)
1392 {
1393         int i, isascii = 1;
1394         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
1395         WebKitURIResponse *res =
1396             webkit_response_policy_decision_get_response(r);
1397         const gchar *uri = webkit_uri_response_get_uri(res);
1398
1399         if (g_str_has_suffix(uri, "/favicon.ico")) {
1400                 webkit_policy_decision_ignore(d);
1401                 return;
1402         }
1403
1404         if (!g_str_has_prefix(uri, "http://")
1405             && !g_str_has_prefix(uri, "https://")
1406             && !g_str_has_prefix(uri, "about:")
1407             && !g_str_has_prefix(uri, "file://")
1408             && !g_str_has_prefix(uri, "data:")
1409             && !g_str_has_prefix(uri, "blob:")
1410             && strlen(uri) > 0) {
1411                 for (i = 0; i < strlen(uri); i++) {
1412                         if (!g_ascii_isprint(uri[i])) {
1413                                 isascii = 0;
1414                                 break;
1415                         }
1416                 }
1417                 if (isascii) {
1418                         handleplumb(c, uri);
1419                         webkit_policy_decision_ignore(d);
1420                         return;
1421                 }
1422         }
1423
1424         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
1425                 webkit_policy_decision_use(d);
1426         } else {
1427                 webkit_policy_decision_ignore(d);
1428                 download(c, res);
1429         }
1430 }
1431
1432 void
1433 insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e, Client *c)
1434 {
1435         c->insecure = 1;
1436 }
1437
1438 void
1439 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
1440 {
1441         g_signal_connect(G_OBJECT(d), "notify::response",
1442                          G_CALLBACK(responsereceived), c);
1443 }
1444
1445 void
1446 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
1447 {
1448         download(c, webkit_download_get_response(d));
1449         webkit_download_cancel(d);
1450 }
1451
1452 void
1453 download(Client *c, WebKitURIResponse *r)
1454 {
1455         Arg a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
1456         spawn(c, &a);
1457 }
1458
1459 void
1460 closeview(WebKitWebView *v, Client *c)
1461 {
1462         gtk_widget_destroy(c->win);
1463 }
1464
1465 void
1466 destroywin(GtkWidget* w, Client *c)
1467 {
1468         destroyclient(c);
1469         if (!clients)
1470                 gtk_main_quit();
1471 }
1472
1473 void
1474 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1475 {
1476         Arg a = {.v = text };
1477         if (text)
1478                 loaduri((Client *) d, &a);
1479 }
1480
1481 void
1482 reload(Client *c, const Arg *a)
1483 {
1484         if (a->b)
1485                 webkit_web_view_reload_bypass_cache(c->view);
1486         else
1487                 webkit_web_view_reload(c->view);
1488 }
1489
1490 void
1491 print(Client *c, const Arg *a)
1492 {
1493         webkit_print_operation_run_dialog(webkit_print_operation_new(c->view),
1494                                           GTK_WINDOW(c->win));
1495 }
1496
1497 void
1498 clipboard(Client *c, const Arg *a)
1499 {
1500         if (a->b) { /* load clipboard uri */
1501                 gtk_clipboard_request_text(gtk_clipboard_get(
1502                                            GDK_SELECTION_PRIMARY),
1503                                            pasteuri, c);
1504         } else { /* copy uri */
1505                 gtk_clipboard_set_text(gtk_clipboard_get(
1506                                        GDK_SELECTION_PRIMARY), c->targeturi
1507                                        ? c->targeturi : geturi(c), -1);
1508         }
1509 }
1510
1511 void
1512 zoom(Client *c, const Arg *a)
1513 {
1514         if (a->i > 0)
1515                 webkit_web_view_set_zoom_level(c->view,
1516                                                curconfig[ZoomLevel].val.f + 0.1);
1517         else if (a->i < 0)
1518                 webkit_web_view_set_zoom_level(c->view,
1519                                                curconfig[ZoomLevel].val.f - 0.1);
1520         else
1521                 webkit_web_view_set_zoom_level(c->view, 1.0);
1522
1523         curconfig[ZoomLevel].val.f = webkit_web_view_get_zoom_level(c->view);
1524 }
1525
1526 void
1527 scroll(Client *c, const Arg *a)
1528 {
1529         GdkEvent *ev = gdk_event_new(GDK_KEY_PRESS);
1530
1531         gdk_event_set_device(ev, gdkkb);
1532         ev->key.window = gtk_widget_get_window(GTK_WIDGET(c->win));
1533         ev->key.state = GDK_CONTROL_MASK;
1534         ev->key.time = GDK_CURRENT_TIME;
1535
1536         switch (a->i) {
1537         case 'd':
1538                 ev->key.keyval = GDK_KEY_Down;
1539                 break;
1540         case 'D':
1541                 ev->key.keyval = GDK_KEY_Page_Down;
1542                 break;
1543         case 'l':
1544                 ev->key.keyval = GDK_KEY_Left;
1545                 break;
1546         case 'r':
1547                 ev->key.keyval = GDK_KEY_Right;
1548                 break;
1549         case 'U':
1550                 ev->key.keyval = GDK_KEY_Page_Up;
1551                 break;
1552         case 'u':
1553                 ev->key.keyval = GDK_KEY_Up;
1554                 break;
1555         }
1556
1557         gdk_event_put(ev);
1558 }
1559
1560 void
1561 navigate(Client *c, const Arg *a)
1562 {
1563         if (a->i < 0)
1564                 webkit_web_view_go_back(c->view);
1565         else if (a->i > 0)
1566                 webkit_web_view_go_forward(c->view);
1567 }
1568
1569 void
1570 stop(Client *c, const Arg *a)
1571 {
1572         webkit_web_view_stop_loading(c->view);
1573 }
1574
1575 void
1576 toggle(Client *c, const Arg *a)
1577 {
1578         curconfig[a->i].val.b ^= 1;
1579         setparameter(c, 1, (ParamName)a->i, &curconfig[a->i].val);
1580 }
1581
1582 void
1583 togglefullscreen(Client *c, const Arg *a)
1584 {
1585         /* toggling value is handled in winevent() */
1586         if (c->fullscreen)
1587                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
1588         else
1589                 gtk_window_fullscreen(GTK_WINDOW(c->win));
1590 }
1591
1592 void
1593 togglecookiepolicy(Client *c, const Arg *a)
1594 {
1595         ++cookiepolicy;
1596         cookiepolicy %= strlen(curconfig[CookiePolicies].val.v);
1597
1598         setparameter(c, 0, CookiePolicies, NULL);
1599 }
1600
1601 void
1602 toggleinspector(Client *c, const Arg *a)
1603 {
1604         if (webkit_web_inspector_is_attached(c->inspector))
1605                 webkit_web_inspector_close(c->inspector);
1606         else if (curconfig[Inspector].val.b)
1607                 webkit_web_inspector_show(c->inspector);
1608 }
1609
1610 void
1611 find(Client *c, const Arg *a)
1612 {
1613         const char *s, *f;
1614
1615         if (a && a->i) {
1616                 if (a->i > 0)
1617                         webkit_find_controller_search_next(c->finder);
1618                 else
1619                         webkit_find_controller_search_previous(c->finder);
1620         } else {
1621                 s = getatom(c, AtomFind);
1622                 f = webkit_find_controller_get_search_text(c->finder);
1623
1624                 if (g_strcmp0(f, s) == 0) /* reset search */
1625                         webkit_find_controller_search(c->finder, "", findopts,
1626                                                       G_MAXUINT);
1627
1628                 webkit_find_controller_search(c->finder, s, findopts,
1629                                               G_MAXUINT);
1630
1631                 if (strcmp(s, "") == 0)
1632                         webkit_find_controller_search_finish(c->finder);
1633         }
1634 }
1635
1636 void
1637 clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h)
1638 {
1639         navigate(c, a);
1640 }
1641
1642 void
1643 clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h)
1644 {
1645         Arg arg;
1646
1647         arg.v = webkit_hit_test_result_get_link_uri(h);
1648         newwindow(c, &arg, a->b);
1649 }
1650
1651 void
1652 clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h)
1653 {
1654         Arg arg;
1655
1656         arg = (Arg)VIDEOPLAY(webkit_hit_test_result_get_media_uri(h));
1657         spawn(c, &arg);
1658 }
1659
1660 int
1661 main(int argc, char *argv[])
1662 {
1663         Arg arg;
1664         Client *c;
1665
1666         memset(&arg, 0, sizeof(arg));
1667
1668         /* command line args */
1669         ARGBEGIN {
1670         case 'a':
1671                 defconfig CSETV(CookiePolicies, EARGF(usage()));
1672                 break;
1673         case 'b':
1674                 defconfig CSETB(ScrollBars, 0);
1675                 break;
1676         case 'B':
1677                 defconfig CSETB(ScrollBars, 1);
1678                 break;
1679         case 'c':
1680                 cookiefile = EARGF(usage());
1681                 break;
1682         case 'd':
1683                 defconfig CSETB(DiskCache, 0);
1684                 break;
1685         case 'D':
1686                 defconfig CSETB(DiskCache, 1);
1687                 break;
1688         case 'e':
1689                 embed = strtol(EARGF(usage()), NULL, 0);
1690                 break;
1691         case 'f':
1692                 defconfig CSETB(RunInFullscreen, 0);
1693                 break;
1694         case 'F':
1695                 defconfig CSETB(RunInFullscreen, 1);
1696                 break;
1697         case 'g':
1698                 defconfig CSETB(Geolocation, 0);
1699                 break;
1700         case 'G':
1701                 defconfig CSETB(Geolocation, 1);
1702                 break;
1703         case 'i':
1704                 defconfig CSETB(LoadImages, 0);
1705                 break;
1706         case 'I':
1707                 defconfig CSETB(LoadImages, 1);
1708                 break;
1709         case 'k':
1710                 defconfig CSETB(KioskMode, 0);
1711                 break;
1712         case 'K':
1713                 defconfig CSETB(KioskMode, 1);
1714                 break;
1715         case 'm':
1716                 defconfig CSETB(Style, 0);
1717                 break;
1718         case 'M':
1719                 defconfig CSETB(Style, 1);
1720                 break;
1721         case 'n':
1722                 defconfig CSETB(Inspector, 0);
1723                 break;
1724         case 'N':
1725                 defconfig CSETB(Inspector, 1);
1726                 break;
1727         case 'p':
1728                 defconfig CSETB(Plugins, 0);
1729                 break;
1730         case 'P':
1731                 defconfig CSETB(Plugins, 1);
1732                 break;
1733         case 'r':
1734                 scriptfile = EARGF(usage());
1735                 break;
1736         case 's':
1737                 defconfig CSETB(JavaScript, 0);
1738                 break;
1739         case 'S':
1740                 defconfig CSETB(JavaScript, 1);
1741                 break;
1742         case 't':
1743                 stylefile = EARGF(usage());
1744                 break;
1745         case 'u':
1746                 fulluseragent = EARGF(usage());
1747                 break;
1748         case 'v':
1749                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1750                     "see LICENSE for details\n");
1751         case 'x':
1752                 showxid = 1;
1753                 break;
1754         case 'z':
1755                 defconfig CSETF(ZoomLevel, strtof(EARGF(usage()), NULL));
1756                 break;
1757         default:
1758                 usage();
1759         } ARGEND;
1760         if (argc > 0)
1761                 arg.v = argv[0];
1762         else
1763                 arg.v = "about:blank";
1764
1765         setup();
1766         c = newclient(NULL);
1767         showview(NULL, c);
1768
1769         loaduri(c, &arg);
1770         updatetitle(c);
1771
1772         gtk_main();
1773         cleanup();
1774
1775         return 0;
1776 }