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