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