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