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