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