surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <sys/file.h>
   6 #include <sys/types.h>
   7 #include <sys/wait.h>
   8 #include <libgen.h>
   9 #include <limits.h>
  10 #include <pwd.h>
  11 #include <regex.h>
  12 #include <signal.h>
  13 #include <stdarg.h>
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <string.h>
  17 #include <unistd.h>
  18
  19 #include <gdk/gdk.h>
  20 #include <gdk/gdkkeysyms.h>
  21 #include <gdk/gdkx.h>
  22 #include <glib/gstdio.h>
  23 #include <gtk/gtk.h>
  24 #include <gtk/gtkx.h>
  25 #include <JavaScriptCore/JavaScript.h>
  26 #include <webkit2/webkit2.h>
  27 #include <X11/X.h>
  28 #include <X11/Xatom.h>
  29
  30 #include "arg.h"
  31
  32 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
  33 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  34 #define SETB(p, s)              [p] = { { .b = s }, }
  35 #define SETI(p, s)              [p] = { { .i = s }, }
  36 #define SETV(p, s)              [p] = { { .v = s }, }
  37 #define SETF(p, s)              [p] = { { .f = s }, }
  38 #define FSETB(p, s)             [p] = { { .b = s }, 1 }
  39 #define FSETI(p, s)             [p] = { { .i = s }, 1 }
  40 #define FSETV(p, s)             [p] = { { .v = s }, 1 }
  41 #define FSETF(p, s)             [p] = { { .f = s }, 1 }
  42 #define CSETB(p, s)             [p] = (Parameter){ { .b = s }, 1 }
  43 #define CSETI(p, s)             [p] = (Parameter){ { .i = s }, 1 }
  44 #define CSETV(p, s)             [p] = (Parameter){ { .v = s }, 1 }
  45 #define CSETF(p, s)             [p] = (Parameter){ { .f = s }, 1 }
  46
  47 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  48
  49 enum {
  50         OnDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  51         OnLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  52         OnImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  53         OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  54         OnEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  55         OnBar   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
  56         OnSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  57         OnAny   = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
  58 };
  59
  60 typedef enum {
  61         CaretBrowsing,
  62         CookiePolicies,
  63         DiskCache,
  64         DNSPrefetch,
  65         FontSize,
  66         FrameFlattening,
  67         Geolocation,
  68         HideBackground,
  69         Inspector,
  70         JavaScript,
  71         KioskMode,
  72         LoadImages,
  73         Plugins,
  74         PreferredLanguages,
  75         RunInFullscreen,
  76         ScrollBars,
  77         ShowIndicators,
  78         SpellChecking,
  79         SpellLanguages,
  80         StrictSSL,
  81         Style,
  82         ZoomLevel,
  83         ParameterLast,
  84 } ParamName;
  85
  86 typedef union {
  87         int b;
  88         int i;
  89         float f;
  90         const void *v;
  91 } Arg;
  92
  93 typedef struct {
  94         Arg val;
  95         int force;
  96 } Parameter;
  97
  98 typedef struct Client {
  99         GtkWidget *win;
 100         WebKitWebView *view;
 101         WebKitWebInspector *inspector;
 102         WebKitFindController *finder;
 103         WebKitHitTestResult *mousepos;
 104         GTlsCertificateFlags tlsflags;
 105         Window xid;
 106         int progress, fullscreen;
 107         const char *title, *overtitle, *targeturi;
 108         const char *needle;
 109         struct Client *next;
 110 } Client;
 111
 112 typedef struct {
 113         guint mod;
 114         guint keyval;
 115         void (*func)(Client *c, const Arg *a);
 116         const Arg arg;
 117 } Key;
 118
 119 typedef struct {
 120         unsigned int target;
 121         unsigned int mask;
 122         guint button;
 123         void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
 124         const Arg arg;
 125         unsigned int stopevent;
 126 } Button;
 127
 128 typedef struct {
 129         const char *uri;
 130         Parameter config[ParameterLast];
 131         regex_t re;
 132 } UriParameters;
 133
 134 typedef struct {
 135         char *regex;
 136         char *style;
 137         regex_t re;
 138 } SiteStyle;
 139
 140 /* Surf */
 141 static void usage(void);
 142 static void die(const char *errstr, ...);
 143 static void setup(void);
 144 static void sigchld(int unused);
 145 static char *buildfile(const char *path);
 146 static char *buildpath(const char *path);
 147 static const char *getuserhomedir(const char *user);
 148 static const char *getcurrentuserhomedir(void);
 149 static Client *newclient(Client *c);
 150 static void loaduri(Client *c, const Arg *a);
 151 static const char *geturi(Client *c);
 152 static void setatom(Client *c, int a, const char *v);
 153 static const char *getatom(Client *c, int a);
 154 static void updatetitle(Client *c);
 155 static void gettogglestats(Client *c);
 156 static void getpagestats(Client *c);
 157 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 158 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 159 static void seturiparameters(Client *c, const char *uri);
 160 static void setparameter(Client *c, int refresh, ParamName p, const Arg *a);
 161 static const char *getstyle(const char *uri);
 162 static void setstyle(Client *c, const char *stylefile);
 163 static void runscript(Client *c);
 164 static void evalscript(Client *c, const char *jsstr, ...);
 165 static void updatewinid(Client *c);
 166 static void handleplumb(Client *c, const char *uri);
 167 static void newwindow(Client *c, const Arg *a, int noembed);
 168 static void spawn(Client *c, const Arg *a);
 169 static void destroyclient(Client *c);
 170 static void cleanup(void);
 171
 172 /* GTK/WebKit */
 173 static GdkDevice *getkbdevice(void);
 174 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 175 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
 176                              Client *c);
 177 static gboolean buttonreleased(GtkWidget *w, GdkEvent *e, Client *c);
 178 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 179                                 gpointer d);
 180 static gboolean winevent(GtkWidget *w, GdkEvent *e, Client *c);
 181 static void showview(WebKitWebView *v, Client *c);
 182 static GtkWidget *createwindow(Client *c);
 183 static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
 184 static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
 185 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
 186 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
 187                                guint modifiers, Client *c);
 188 static gboolean permissionrequested(WebKitWebView *v,
 189                                     WebKitPermissionRequest *r, Client *c);
 190 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 191                              WebKitPolicyDecisionType dt, Client *c);
 192 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
 193 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
 194 static void decideresource(WebKitPolicyDecision *d, Client *c);
 195 static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
 196                             Client *c);
 197 static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
 198 static void download(Client *c, WebKitURIResponse *r);
 199 static void closeview(WebKitWebView *v, Client *c);
 200 static void destroywin(GtkWidget* w, Client *c);
 201
 202 /* Hotkeys */
 203 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 204 static void reload(Client *c, const Arg *a);
 205 static void print(Client *c, const Arg *a);
 206 static void clipboard(Client *c, const Arg *a);
 207 static void zoom(Client *c, const Arg *a);
 208 static void scroll(Client *c, const Arg *a);
 209 static void navigate(Client *c, const Arg *a);
 210 static void stop(Client *c, const Arg *a);
 211 static void toggle(Client *c, const Arg *a);
 212 static void togglefullscreen(Client *c, const Arg *a);
 213 static void togglecookiepolicy(Client *c, const Arg *a);
 214 static void toggleinspector(Client *c, const Arg *a);
 215 static void find(Client *c, const Arg *a);
 216
 217 /* Buttons */
 218 static void clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h);
 219 static void clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h);
 220 static void clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h);
 221
 222 static char winid[64];
 223 static char togglestats[10];
 224 static char pagestats[2];
 225 static Atom atoms[AtomLast];
 226 static Window embed;
 227 static int showxid;
 228 static int cookiepolicy;
 229 static Display *dpy;
 230 static Client *clients;
 231 static GdkDevice *gdkkb;
 232 static char *stylefile;
 233 static const char *useragent;
 234 static Parameter *curconfig;
 235 char *argv0;
 236
 237 /* configuration, allows nested code to access above variables */
 238 #include "config.h"
 239
 240 void
 241 usage(void)
 242 {
 243         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
 244             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
 245             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
 246 }
 247
 248 void
 249 die(const char *errstr, ...)
 250 {
 251         va_list ap;
 252
 253         va_start(ap, errstr);
 254         vfprintf(stderr, errstr, ap);
 255         va_end(ap);
 256         exit(1);
 257 }
 258
 259 void
 260 setup(void)
 261 {
 262         int i, j;
 263
 264         /* clean up any zombies immediately */
 265         sigchld(0);
 266         gtk_init(NULL, NULL);
 267
 268         dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
 269
 270         curconfig = defconfig;
 271
 272         /* atoms */
 273         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
 274         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
 275         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
 276
 277         /* dirs and files */
 278         cookiefile = buildfile(cookiefile);
 279         scriptfile = buildfile(scriptfile);
 280         cachedir   = buildpath(cachedir);
 281
 282         gdkkb = getkbdevice();
 283
 284         if (!stylefile) {
 285                 styledir = buildpath(styledir);
 286                 for (i = 0; i < LENGTH(styles); ++i) {
 287                         if (regcomp(&(styles[i].re), styles[i].regex,
 288                             REG_EXTENDED)) {
 289                                 fprintf(stderr,
 290                                         "Could not compile regex: %s\n",
 291                                         styles[i].regex);
 292                                 styles[i].regex = NULL;
 293                         }
 294                         styles[i].style = g_strconcat(styledir, "/",
 295                                                       styles[i].style, NULL);
 296                 }
 297                 g_free(styledir);
 298         } else {
 299                 stylefile = buildfile(stylefile);
 300         }
 301
 302         for (i = 0; i < LENGTH(uriparams); ++i) {
 303                 if (!regcomp(&(uriparams[i].re), uriparams[i].uri,
 304                     REG_EXTENDED)) {
 305                         /* copy default parameters if they are not already set
 306                          * or if they are forced */
 307                         for (j = 0; j < ParameterLast; ++j) {
 308                                 if (!uriparams[i].config[j].force ||
 309                                     defconfig[j].force)
 310                                         uriparams[i].config[j] = defconfig[j];
 311                         }
 312                 } else {
 313                         fprintf(stderr,
 314                                 "Could not compile regex: %s\n",
 315                                 uriparams[i].uri);
 316                         uriparams[i].uri = NULL;
 317                 }
 318         }
 319 }
 320
 321 void
 322 sigchld(int unused)
 323 {
 324         if (signal(SIGCHLD, sigchld) == SIG_ERR)
 325                 die("Can't install SIGCHLD handler");
 326         while (waitpid(-1, NULL, WNOHANG) > 0)
 327                 ;
 328 }
 329
 330 char *
 331 buildfile(const char *path)
 332 {
 333         char *dname, *bname, *bpath, *fpath;
 334         FILE *f;
 335
 336         dname = g_path_get_dirname(path);
 337         bname = g_path_get_basename(path);
 338
 339         bpath = buildpath(dname);
 340         g_free(dname);
 341
 342         fpath = g_build_filename(bpath, bname, NULL);
 343         g_free(bpath);
 344         g_free(bname);
 345
 346         if (!(f = fopen(fpath, "a")))
 347                 die("Could not open file: %s\n", fpath);
 348
 349         g_chmod(fpath, 0600); /* always */
 350         fclose(f);
 351
 352         return fpath;
 353 }
 354
 355 static const char*
 356 getuserhomedir(const char *user)
 357 {
 358         struct passwd *pw = getpwnam(user);
 359
 360         if (!pw)
 361                 die("Can't get user %s login information.\n", user);
 362
 363         return pw->pw_dir;
 364 }
 365
 366 static const char*
 367 getcurrentuserhomedir(void)
 368 {
 369         const char *homedir;
 370         const char *user;
 371         struct passwd *pw;
 372
 373         homedir = getenv("HOME");
 374         if (homedir)
 375                 return homedir;
 376
 377         user = getenv("USER");
 378         if (user)
 379                 return getuserhomedir(user);
 380
 381         pw = getpwuid(getuid());
 382         if (!pw)
 383                 die("Can't get current user home directory\n");
 384
 385         return pw->pw_dir;
 386 }
 387
 388 char *
 389 buildpath(const char *path)
 390 {
 391         char *apath, *name, *p, *fpath;
 392         const char *homedir;
 393
 394         if (path[0] == '~') {
 395                 if (path[1] == '/' || path[1] == '\0') {
 396                         p = (char *)&path[1];
 397                         homedir = getcurrentuserhomedir();
 398                 } else {
 399                         if ((p = strchr(path, '/')))
 400                                 name = g_strndup(&path[1], --p - path);
 401                         else
 402                                 name = g_strdup(&path[1]);
 403
 404                         homedir = getuserhomedir(name);
 405                         g_free(name);
 406                 }
 407                 apath = g_build_filename(homedir, p, NULL);
 408         } else {
 409                 apath = g_strdup(path);
 410         }
 411
 412         /* creating directory */
 413         if (g_mkdir_with_parents(apath, 0700) < 0)
 414                 die("Could not access directory: %s\n", apath);
 415
 416         fpath = realpath(apath, NULL);
 417         g_free(apath);
 418
 419         return fpath;
 420 }
 421
 422 Client *
 423 newclient(Client *rc)
 424 {
 425         Client *c;
 426
 427         if (!(c = calloc(1, sizeof(Client))))
 428                 die("Cannot malloc!\n");
 429
 430         c->next = clients;
 431         clients = c;
 432
 433         c->progress = 100;
 434         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 435         c->view = newview(c, rc ? rc->view : NULL);
 436
 437         return c;
 438 }
 439
 440 void
 441 loaduri(Client *c, const Arg *a)
 442 {
 443         struct stat st;
 444         char *url, *path;
 445         const char *uri = a->v;
 446
 447         if (g_strcmp0(uri, "") == 0)
 448                 return;
 449
 450         if (g_str_has_prefix(uri, "http://")  ||
 451             g_str_has_prefix(uri, "https://") ||
 452             g_str_has_prefix(uri, "file://")  ||
 453             g_str_has_prefix(uri, "about:")) {
 454                 url = g_strdup(uri);
 455         } else if (!stat(uri, &st) && (path = realpath(uri, NULL))) {
 456                 url = g_strdup_printf("file://%s", path);
 457                 free(path);
 458         } else {
 459                 url = g_strdup_printf("http://%s", uri);
 460         }
 461
 462         setatom(c, AtomUri, url);
 463
 464         if (strcmp(url, geturi(c)) == 0) {
 465                 reload(c, a);
 466         } else {
 467                 webkit_web_view_load_uri(c->view, url);
 468                 updatetitle(c);
 469         }
 470
 471         g_free(url);
 472 }
 473
 474 const char *
 475 geturi(Client *c)
 476 {
 477         const char *uri;
 478
 479         if (!(uri = webkit_web_view_get_uri(c->view)))
 480                 uri = "about:blank";
 481         return uri;
 482 }
 483
 484 void
 485 setatom(Client *c, int a, const char *v)
 486 {
 487         XSync(dpy, False);
 488         XChangeProperty(dpy, c->xid,
 489                         atoms[a], XA_STRING, 8, PropModeReplace,
 490                         (unsigned char *)v, strlen(v) + 1);
 491 }
 492
 493 const char *
 494 getatom(Client *c, int a)
 495 {
 496         static char buf[BUFSIZ];
 497         Atom adummy;
 498         int idummy;
 499         unsigned long ldummy;
 500         unsigned char *p = NULL;
 501
 502         XGetWindowProperty(dpy, c->xid, atoms[a], 0L, BUFSIZ, False, XA_STRING,
 503                            &adummy, &idummy, &ldummy, &ldummy, &p);
 504         if (p)
 505                 strncpy(buf, (char *)p, LENGTH(buf) - 1);
 506         else
 507                 buf[0] = '\0';
 508         XFree(p);
 509
 510         return buf;
 511 }
 512
 513 void
 514 updatetitle(Client *c)
 515 {
 516         char *title;
 517         const char *name = c->overtitle ? c->overtitle :
 518                            c->title ? c->title : "";
 519
 520         if (curconfig[ShowIndicators].val.b) {
 521                 gettogglestats(c);
 522                 getpagestats(c);
 523
 524                 if (c->progress != 100)
 525                         title = g_strdup_printf("[%i%%] %s:%s | %s",
 526                                 c->progress, togglestats, pagestats, name);
 527                 else
 528                         title = g_strdup_printf("%s:%s | %s",
 529                                 togglestats, pagestats, name);
 530
 531                 gtk_window_set_title(GTK_WINDOW(c->win), title);
 532                 g_free(title);
 533         } else {
 534                 gtk_window_set_title(GTK_WINDOW(c->win), name);
 535         }
 536 }
 537
 538 void
 539 gettogglestats(Client *c)
 540 {
 541         togglestats[0] = cookiepolicy_set(cookiepolicy_get());
 542         togglestats[1] = curconfig[CaretBrowsing].val.b ?   'C' : 'c';
 543         togglestats[2] = curconfig[Geolocation].val.b ?     'G' : 'g';
 544         togglestats[3] = curconfig[DiskCache].val.b ?       'D' : 'd';
 545         togglestats[4] = curconfig[LoadImages].val.b ?      'I' : 'i';
 546         togglestats[5] = curconfig[JavaScript].val.b ?      'S' : 's';
 547         togglestats[6] = curconfig[Plugins].val.b ?         'V' : 'v';
 548         togglestats[7] = curconfig[Style].val.b ?           'M' : 'm';
 549         togglestats[8] = curconfig[FrameFlattening].val.b ? 'F' : 'f';
 550         togglestats[9] = '\0';
 551 }
 552
 553 void
 554 getpagestats(Client *c)
 555 {
 556         pagestats[0] = c->tlsflags > G_TLS_CERTIFICATE_VALIDATE_ALL ? '-' :
 557                        c->tlsflags > 0 ? 'U' : 'T';
 558         pagestats[1] = '\0';
 559 }
 560
 561 WebKitCookieAcceptPolicy
 562 cookiepolicy_get(void)
 563 {
 564         switch (((char *)curconfig[CookiePolicies].val.v)[cookiepolicy]) {
 565         case 'a':
 566                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 567         case '@':
 568                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 569         default: /* fallthrough */
 570         case 'A':
 571                 return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 572         }
 573 }
 574
 575 char
 576 cookiepolicy_set(const WebKitCookieAcceptPolicy p)
 577 {
 578         switch (p) {
 579         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 580                 return 'a';
 581         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 582                 return '@';
 583         default: /* fallthrough */
 584         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 585                 return 'A';
 586         }
 587 }
 588
 589 void
 590 seturiparameters(Client *c, const char *uri)
 591 {
 592         int i;
 593
 594         for (i = 0; i < LENGTH(uriparams); ++i) {
 595                 if (uriparams[i].uri &&
 596                     !regexec(&(uriparams[i].re), uri, 0, NULL, 0)) {
 597                         curconfig = uriparams[i].config;
 598                         break;
 599                 }
 600         }
 601
 602         for (i = 0; i < ParameterLast; ++i)
 603                 setparameter(c, 0, i, &curconfig[i].val);
 604 }
 605
 606 void
 607 setparameter(Client *c, int refresh, ParamName p, const Arg *a)
 608 {
 609         GdkRGBA bgcolor = { 0 };
 610         WebKitSettings *s = webkit_web_view_get_settings(c->view);
 611
 612         switch (p) {
 613         case CaretBrowsing:
 614                 webkit_settings_set_enable_caret_browsing(s, a->b);
 615                 refresh = 0;
 616                 break;
 617         case CookiePolicies:
 618                 webkit_cookie_manager_set_accept_policy(
 619                     webkit_web_context_get_cookie_manager(
 620                     webkit_web_view_get_context(c->view)),
 621                     cookiepolicy_get());
 622                 refresh = 0;
 623                 break;
 624         case DiskCache:
 625                 webkit_web_context_set_cache_model(
 626                     webkit_web_view_get_context(c->view), a->b ?
 627                     WEBKIT_CACHE_MODEL_WEB_BROWSER :
 628                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 629                 return; /* do not update */
 630         case DNSPrefetch:
 631                 webkit_settings_set_enable_dns_prefetching(s, a->b);
 632                 return; /* do not update */
 633         case FontSize:
 634                 webkit_settings_set_default_font_size(s, a->i);
 635                 return; /* do not update */
 636         case FrameFlattening:
 637                 webkit_settings_set_enable_frame_flattening(s, a->b);
 638                 break;
 639         case Geolocation:
 640                 refresh = 0;
 641                 break;
 642         case HideBackground:
 643                 if (a->b)
 644                         webkit_web_view_set_background_color(c->view, &bgcolor);
 645                 return; /* do not update */
 646         case Inspector:
 647                 webkit_settings_set_enable_developer_extras(s, a->b);
 648                 return; /* do not update */
 649         case JavaScript:
 650                 webkit_settings_set_enable_javascript(s, a->b);
 651                 break;
 652         case KioskMode:
 653                 return; /* do nothing */
 654         case LoadImages:
 655                 webkit_settings_set_auto_load_images(s, a->b);
 656                 break;
 657         case Plugins:
 658                 webkit_settings_set_enable_plugins(s, a->b);
 659                 break;
 660         case PreferredLanguages:
 661                 return; /* do nothing */
 662         case RunInFullscreen:
 663                 return; /* do nothing */
 664         case ScrollBars:
 665                 /* Disabled until we write some WebKitWebExtension for
 666                  * manipulating the DOM directly.
 667                 enablescrollbars = !enablescrollbars;
 668                 evalscript(c, "document.documentElement.style.overflow = '%s'",
 669                     enablescrollbars ? "auto" : "hidden");
 670                 */
 671                 return; /* do not update */
 672         case ShowIndicators:
 673                 break;
 674         case SpellChecking:
 675                 webkit_web_context_set_spell_checking_enabled(
 676                     webkit_web_view_get_context(c->view), a->b);
 677                 return; /* do not update */
 678         case SpellLanguages:
 679                 return; /* do nothing */
 680         case StrictSSL:
 681                 webkit_web_context_set_tls_errors_policy(
 682                     webkit_web_view_get_context(c->view), a->b ?
 683                     WEBKIT_TLS_ERRORS_POLICY_FAIL :
 684                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 685                 return; /* do not update */
 686         case Style:
 687                 if (a->b)
 688                         setstyle(c, getstyle(geturi(c)));
 689                 else
 690                         webkit_user_content_manager_remove_all_style_sheets(
 691                             webkit_web_view_get_user_content_manager(c->view));
 692                 refresh = 0;
 693                 break;
 694         case ZoomLevel:
 695                 webkit_web_view_set_zoom_level(c->view, a->f);
 696                 return; /* do not update */
 697         default:
 698                 return; /* do nothing */
 699         }
 700
 701         updatetitle(c);
 702         if (refresh)
 703                 reload(c, a);
 704 }
 705
 706 const char *
 707 getstyle(const char *uri)
 708 {
 709         int i;
 710
 711         if (stylefile)
 712                 return stylefile;
 713
 714         for (i = 0; i < LENGTH(styles); ++i) {
 715                 if (styles[i].regex &&
 716                     !regexec(&(styles[i].re), uri, 0, NULL, 0))
 717                         return styles[i].style;
 718         }
 719
 720         return "";
 721 }
 722
 723 void
 724 setstyle(Client *c, const char *stylefile)
 725 {
 726         gchar *style;
 727
 728         if (!g_file_get_contents(stylefile, &style, NULL, NULL)) {
 729                 fprintf(stderr, "Could not read style file: %s\n", stylefile);
 730                 return;
 731         }
 732
 733         webkit_user_content_manager_add_style_sheet(
 734             webkit_web_view_get_user_content_manager(c->view),
 735             webkit_user_style_sheet_new(style,
 736             WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 737             WEBKIT_USER_STYLE_LEVEL_USER,
 738             NULL, NULL));
 739
 740         g_free(style);
 741 }
 742
 743 void
 744 runscript(Client *c)
 745 {
 746         gchar *script;
 747         gsize l;
 748
 749         if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
 750                 evalscript(c, script);
 751         g_free(script);
 752 }
 753
 754 void
 755 evalscript(Client *c, const char *jsstr, ...)
 756 {
 757         va_list ap;
 758         gchar *script;
 759
 760         va_start(ap, jsstr);
 761         script = g_strdup_vprintf(jsstr, ap);
 762         va_end(ap);
 763
 764         webkit_web_view_run_javascript(c->view, script, NULL, NULL, NULL);
 765         g_free(script);
 766 }
 767
 768 void
 769 updatewinid(Client *c)
 770 {
 771         snprintf(winid, LENGTH(winid), "%lu", c->xid);
 772 }
 773
 774 void
 775 handleplumb(Client *c, const char *uri)
 776 {
 777         Arg a = (Arg)PLUMB(uri);
 778         spawn(c, &a);
 779 }
 780
 781 void
 782 newwindow(Client *c, const Arg *a, int noembed)
 783 {
 784         int i = 0;
 785         char tmp[64];
 786         const char *cmd[26], *uri;
 787         const Arg arg = { .v = cmd };
 788
 789         cmd[i++] = argv0;
 790         cmd[i++] = "-a";
 791         cmd[i++] = curconfig[CookiePolicies].val.v;
 792         cmd[i++] = curconfig[ScrollBars].val.b ? "-B" : "-b";
 793         if (cookiefile && g_strcmp0(cookiefile, "")) {
 794                 cmd[i++] = "-c";
 795                 cmd[i++] = cookiefile;
 796         }
 797         cmd[i++] = curconfig[DiskCache].val.b ? "-D" : "-d";
 798         if (embed && !noembed) {
 799                 cmd[i++] = "-e";
 800                 snprintf(tmp, LENGTH(tmp), "%lu", embed);
 801                 cmd[i++] = tmp;
 802         }
 803         cmd[i++] = curconfig[RunInFullscreen].val.b ? "-F" : "-f" ;
 804         cmd[i++] = curconfig[Geolocation].val.b ?     "-G" : "-g" ;
 805         cmd[i++] = curconfig[LoadImages].val.b ?      "-I" : "-i" ;
 806         cmd[i++] = curconfig[KioskMode].val.b ?       "-K" : "-k" ;
 807         cmd[i++] = curconfig[Style].val.b ?           "-M" : "-m" ;
 808         cmd[i++] = curconfig[Inspector].val.b ?       "-N" : "-n" ;
 809         cmd[i++] = curconfig[Plugins].val.b ?         "-P" : "-p" ;
 810         if (scriptfile && g_strcmp0(scriptfile, "")) {
 811                 cmd[i++] = "-r";
 812                 cmd[i++] = scriptfile;
 813         }
 814         cmd[i++] = curconfig[JavaScript].val.b ? "-S" : "-s";
 815         if (stylefile && g_strcmp0(stylefile, "")) {
 816                 cmd[i++] = "-t";
 817                 cmd[i++] = stylefile;
 818         }
 819         if (fulluseragent && g_strcmp0(fulluseragent, "")) {
 820                 cmd[i++] = "-u";
 821                 cmd[i++] = fulluseragent;
 822         }
 823         if (showxid)
 824                 cmd[i++] = "-x";
 825         /* do not keep zoom level */
 826         cmd[i++] = "--";
 827         if ((uri = a->v))
 828                 cmd[i++] = uri;
 829         cmd[i] = NULL;
 830
 831         spawn(c, &arg);
 832 }
 833
 834 void
 835 spawn(Client *c, const Arg *a)
 836 {
 837         if (fork() == 0) {
 838                 if (dpy)
 839                         close(ConnectionNumber(dpy));
 840                 setsid();
 841                 execvp(((char **)a->v)[0], (char **)a->v);
 842                 fprintf(stderr, "%s: execvp %s", argv0, ((char **)a->v)[0]);
 843                 perror(" failed");
 844                 exit(1);
 845         }
 846 }
 847
 848 void
 849 destroyclient(Client *c)
 850 {
 851         Client *p;
 852
 853         webkit_web_view_stop_loading(c->view);
 854         /* Not needed, has already been called
 855         gtk_widget_destroy(c->win);
 856          */
 857
 858         for (p = clients; p && p->next != c; p = p->next)
 859                 ;
 860         if (p)
 861                 p->next = c->next;
 862         else
 863                 clients = c->next;
 864         free(c);
 865 }
 866
 867 void
 868 cleanup(void)
 869 {
 870         while (clients)
 871                 destroyclient(clients);
 872         g_free(cookiefile);
 873         g_free(scriptfile);
 874         g_free(stylefile);
 875         g_free(cachedir);
 876 }
 877
 878 static GdkDevice *
 879 getkbdevice(void)
 880 {
 881         GList *l, *gdl = gdk_device_manager_list_devices(
 882                    gdk_display_get_device_manager(gdk_display_get_default()),
 883                    GDK_DEVICE_TYPE_MASTER);
 884         GdkDevice *gd = NULL;
 885
 886         for (l = gdl; l != NULL; l = l->next)
 887                 if (gdk_device_get_source(l->data) == GDK_SOURCE_KEYBOARD)
 888                         gd = l->data;
 889
 890         g_list_free(gdl);
 891         return gd;
 892 }
 893
 894 WebKitWebView *
 895 newview(Client *c, WebKitWebView *rv)
 896 {
 897         WebKitWebView *v;
 898         WebKitSettings *settings;
 899         WebKitUserContentManager *contentmanager;
 900         WebKitWebContext *context;
 901
 902         /* Webview */
 903         if (rv) {
 904                 v = WEBKIT_WEB_VIEW(
 905                     webkit_web_view_new_with_related_view(rv));
 906         } else {
 907                 settings = webkit_settings_new_with_settings(
 908                    "auto-load-images", curconfig[LoadImages].val.b,
 909                    "default-font-size", curconfig[FontSize].val.f,
 910                    "enable-caret-browsing", curconfig[CaretBrowsing].val.b,
 911                    "enable-developer-extras", curconfig[Inspector].val.b,
 912                    "enable-dns-prefetching", curconfig[DNSPrefetch].val.b,
 913                    "enable-frame-flattening", curconfig[FrameFlattening].val.b,
 914                    "enable-html5-database", curconfig[DiskCache].val.b,
 915                    "enable-html5-local-storage", curconfig[DiskCache].val.b,
 916                    "enable-javascript", curconfig[JavaScript].val.b,
 917                    "enable-plugins", curconfig[Plugins].val.b,
 918                    NULL);
 919 /* For mor interesting settings, have a look at
 920  * http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html */
 921
 922                 if (strcmp(fulluseragent, "")) {
 923                         webkit_settings_set_user_agent(settings, fulluseragent);
 924                 } else if (surfuseragent) {
 925                         webkit_settings_set_user_agent_with_application_details(
 926                             settings, "Surf", VERSION);
 927                 }
 928                 useragent = webkit_settings_get_user_agent(settings);
 929
 930                 contentmanager = webkit_user_content_manager_new();
 931
 932                 context = webkit_web_context_new_with_website_data_manager(
 933                           webkit_website_data_manager_new(
 934                           "base-cache-directory", cachedir,
 935                           "base-data-directory", cachedir,
 936                           NULL));
 937
 938                 /* rendering process model, can be a shared unique one
 939                  * or one for each view */
 940                 webkit_web_context_set_process_model(context,
 941                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
 942                 /* ssl */
 943                 webkit_web_context_set_tls_errors_policy(context,
 944                     curconfig[StrictSSL].val.b ? WEBKIT_TLS_ERRORS_POLICY_FAIL :
 945                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 946                 /* disk cache */
 947                 webkit_web_context_set_cache_model(context,
 948                     curconfig[DiskCache].val.b ? WEBKIT_CACHE_MODEL_WEB_BROWSER :
 949                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 950
 951                 /* Currently only works with text file to be compatible with curl */
 952                 webkit_cookie_manager_set_persistent_storage(
 953                     webkit_web_context_get_cookie_manager(context), cookiefile,
 954                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
 955                 /* cookie policy */
 956                 webkit_cookie_manager_set_accept_policy(
 957                     webkit_web_context_get_cookie_manager(context),
 958                     cookiepolicy_get());
 959                 /* languages */
 960                 webkit_web_context_set_preferred_languages(context,
 961                     curconfig[PreferredLanguages].val.v);
 962                 webkit_web_context_set_spell_checking_languages(context,
 963                     curconfig[SpellLanguages].val.v);
 964                 webkit_web_context_set_spell_checking_enabled(context,
 965                     curconfig[SpellChecking].val.b);
 966
 967                 g_signal_connect(G_OBJECT(context), "download-started",
 968                                  G_CALLBACK(downloadstarted), c);
 969
 970                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
 971                     "settings", settings,
 972                     "user-content-manager", contentmanager,
 973                     "web-context", context,
 974                     NULL);
 975         }
 976
 977         g_signal_connect(G_OBJECT(v), "notify::estimated-load-progress",
 978                          G_CALLBACK(progresschanged), c);
 979         g_signal_connect(G_OBJECT(v), "notify::title",
 980                          G_CALLBACK(titlechanged), c);
 981         g_signal_connect(G_OBJECT(v), "button-release-event",
 982                          G_CALLBACK(buttonreleased), c);
 983         g_signal_connect(G_OBJECT(v), "close",
 984                         G_CALLBACK(closeview), c);
 985         g_signal_connect(G_OBJECT(v), "create",
 986                          G_CALLBACK(createview), c);
 987         g_signal_connect(G_OBJECT(v), "decide-policy",
 988                          G_CALLBACK(decidepolicy), c);
 989         g_signal_connect(G_OBJECT(v), "load-changed",
 990                          G_CALLBACK(loadchanged), c);
 991         g_signal_connect(G_OBJECT(v), "mouse-target-changed",
 992                          G_CALLBACK(mousetargetchanged), c);
 993         g_signal_connect(G_OBJECT(v), "permission-request",
 994                          G_CALLBACK(permissionrequested), c);
 995         g_signal_connect(G_OBJECT(v), "ready-to-show",
 996                          G_CALLBACK(showview), c);
 997
 998         return v;
 999 }
1000
1001 GtkWidget *
1002 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
1003 {
1004         Client *n;
1005
1006         switch (webkit_navigation_action_get_navigation_type(a)) {
1007         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1008                 /*
1009                  * popup windows of type “other” are almost always triggered
1010                  * by user gesture, so inverse the logic here
1011                  */
1012 /* instead of this, compare destination uri to mouse-over uri for validating window */
1013                 if (webkit_navigation_action_is_user_gesture(a))
1014                         return NULL;
1015         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1016         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1017         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1018         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1019         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1020                 n = newclient(c);
1021                 break;
1022         default:
1023                 return NULL;
1024         }
1025
1026         return GTK_WIDGET(n->view);
1027 }
1028
1029 gboolean
1030 buttonreleased(GtkWidget *w, GdkEvent *e, Client *c)
1031 {
1032         WebKitHitTestResultContext element;
1033         int i;
1034
1035         element = webkit_hit_test_result_get_context(c->mousepos);
1036
1037         for (i = 0; i < LENGTH(buttons); ++i) {
1038                 if (element & buttons[i].target &&
1039                     e->button.button == buttons[i].button &&
1040                     CLEANMASK(e->button.state) == CLEANMASK(buttons[i].mask) &&
1041                     buttons[i].func) {
1042                         buttons[i].func(c, &buttons[i].arg, c->mousepos);
1043                         return buttons[i].stopevent;
1044                 }
1045         }
1046
1047         return FALSE;
1048 }
1049
1050 GdkFilterReturn
1051 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1052 {
1053         Client *c = (Client *)d;
1054         XPropertyEvent *ev;
1055         Arg a;
1056
1057         if (((XEvent *)e)->type == PropertyNotify) {
1058                 ev = &((XEvent *)e)->xproperty;
1059                 if (ev->state == PropertyNewValue) {
1060                         if (ev->atom == atoms[AtomFind]) {
1061                                 find(c, NULL);
1062
1063                                 return GDK_FILTER_REMOVE;
1064                         } else if (ev->atom == atoms[AtomGo]) {
1065                                 a.v = getatom(c, AtomGo);
1066                                 loaduri(c, &a);
1067
1068                                 return GDK_FILTER_REMOVE;
1069                         }
1070                 }
1071         }
1072         return GDK_FILTER_CONTINUE;
1073 }
1074
1075 gboolean
1076 winevent(GtkWidget *w, GdkEvent *e, Client *c)
1077 {
1078         int i;
1079
1080         switch (e->type) {
1081         case GDK_ENTER_NOTIFY:
1082                 c->overtitle = c->targeturi;
1083                 updatetitle(c);
1084                 break;
1085         case GDK_KEY_PRESS:
1086                 if (!curconfig[KioskMode].val.b) {
1087                         for (i = 0; i < LENGTH(keys); ++i) {
1088                                 if (gdk_keyval_to_lower(e->key.keyval) ==
1089                                     keys[i].keyval &&
1090                                     CLEANMASK(e->key.state) == keys[i].mod &&
1091                                     keys[i].func) {
1092                                         updatewinid(c);
1093                                         keys[i].func(c, &(keys[i].arg));
1094                                         return TRUE;
1095                                 }
1096                         }
1097                 }
1098         case GDK_LEAVE_NOTIFY:
1099                 c->overtitle = NULL;
1100                 updatetitle(c);
1101                 break;
1102         case GDK_WINDOW_STATE:
1103                 if (e->window_state.changed_mask ==
1104                     GDK_WINDOW_STATE_FULLSCREEN)
1105                         c->fullscreen = e->window_state.new_window_state &
1106                                         GDK_WINDOW_STATE_FULLSCREEN;
1107                 break;
1108         default:
1109                 break;
1110         }
1111
1112         return FALSE;
1113 }
1114
1115 void
1116 showview(WebKitWebView *v, Client *c)
1117 {
1118         GdkRGBA bgcolor = { 0 };
1119         GdkWindow *gwin;
1120
1121         c->finder = webkit_web_view_get_find_controller(c->view);
1122         c->inspector = webkit_web_view_get_inspector(c->view);
1123
1124         c->win = createwindow(c);
1125
1126         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1127         gtk_widget_show_all(c->win);
1128         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1129
1130         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1131         c->xid = gdk_x11_window_get_xid(gwin);
1132         updatewinid(c);
1133         if (showxid) {
1134                 gdk_display_sync(gtk_widget_get_display(c->win));
1135                 puts(winid);
1136         }
1137
1138         if (curconfig[HideBackground].val.b)
1139                 webkit_web_view_set_background_color(c->view, &bgcolor);
1140
1141         if (!curconfig[KioskMode].val.b) {
1142                 gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1143                 gdk_window_add_filter(gwin, processx, c);
1144         }
1145
1146         if (curconfig[RunInFullscreen].val.b)
1147                 togglefullscreen(c, NULL);
1148
1149         if (curconfig[ZoomLevel].val.f != 1.0)
1150                 webkit_web_view_set_zoom_level(c->view,
1151                                                curconfig[ZoomLevel].val.f);
1152
1153         setatom(c, AtomFind, "");
1154         setatom(c, AtomUri, "about:blank");
1155 }
1156
1157 GtkWidget *
1158 createwindow(Client *c)
1159 {
1160         char *wmstr;
1161         GtkWidget *w;
1162
1163         if (embed) {
1164                 w = gtk_plug_new(embed);
1165         } else {
1166                 w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1167
1168                 wmstr = g_path_get_basename(argv0);
1169                 gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf");
1170                 g_free(wmstr);
1171
1172                 wmstr = g_strdup_printf("%s[%lu]", "Surf",
1173                         webkit_web_view_get_page_id(c->view));
1174                 gtk_window_set_role(GTK_WINDOW(w), wmstr);
1175                 g_free(wmstr);
1176
1177                 gtk_window_set_default_size(GTK_WINDOW(w), 800, 600);
1178         }
1179
1180         g_signal_connect(G_OBJECT(w), "destroy",
1181                          G_CALLBACK(destroywin), c);
1182         g_signal_connect(G_OBJECT(w), "enter-notify-event",
1183                          G_CALLBACK(winevent), c);
1184         g_signal_connect(G_OBJECT(w), "key-press-event",
1185                          G_CALLBACK(winevent), c);
1186         g_signal_connect(G_OBJECT(w), "leave-notify-event",
1187                          G_CALLBACK(winevent), c);
1188         g_signal_connect(G_OBJECT(w), "window-state-event",
1189                          G_CALLBACK(winevent), c);
1190
1191         return w;
1192 }
1193
1194 void
1195 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
1196 {
1197         const char *title = geturi(c);
1198
1199         switch (e) {
1200         case WEBKIT_LOAD_STARTED:
1201                 curconfig = defconfig;
1202                 setatom(c, AtomUri, title);
1203                 c->title = title;
1204                 c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
1205                 seturiparameters(c, geturi(c));
1206                 break;
1207         case WEBKIT_LOAD_REDIRECTED:
1208                 setatom(c, AtomUri, title);
1209                 c->title = title;
1210                 seturiparameters(c, geturi(c));
1211                 break;
1212         case WEBKIT_LOAD_COMMITTED:
1213                 if (!webkit_web_view_get_tls_info(c->view, NULL,
1214                     &(c->tlsflags)))
1215                         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
1216
1217                 break;
1218         case WEBKIT_LOAD_FINISHED:
1219                 /* Disabled until we write some WebKitWebExtension for
1220                  * manipulating the DOM directly.
1221                 evalscript(c, "document.documentElement.style.overflow = '%s'",
1222                     enablescrollbars ? "auto" : "hidden");
1223                 */
1224                 runscript(c);
1225                 break;
1226         }
1227         updatetitle(c);
1228 }
1229
1230 void
1231 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1232 {
1233         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1234                       100;
1235         updatetitle(c);
1236 }
1237
1238 void
1239 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1240 {
1241         c->title = webkit_web_view_get_title(c->view);
1242         updatetitle(c);
1243 }
1244
1245 void
1246 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
1247     Client *c)
1248 {
1249         WebKitHitTestResultContext hc = webkit_hit_test_result_get_context(h);
1250
1251         /* Keep the hit test to know where is the pointer on the next click */
1252         c->mousepos = h;
1253
1254         if (hc & OnLink)
1255                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
1256         else if (hc & OnImg)
1257                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
1258         else if (hc & OnMedia)
1259                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
1260         else
1261                 c->targeturi = NULL;
1262
1263         c->overtitle = c->targeturi;
1264         updatetitle(c);
1265 }
1266
1267 gboolean
1268 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
1269 {
1270         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
1271                 if (curconfig[Geolocation].val.b)
1272                         webkit_permission_request_allow(r);
1273                 else
1274                         webkit_permission_request_deny(r);
1275                 return TRUE;
1276         }
1277
1278         return FALSE;
1279 }
1280
1281 gboolean
1282 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
1283     WebKitPolicyDecisionType dt, Client *c)
1284 {
1285         switch (dt) {
1286         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
1287                 decidenavigation(d, c);
1288                 break;
1289         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
1290                 decidenewwindow(d, c);
1291                 break;
1292         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
1293                 decideresource(d, c);
1294                 break;
1295         default:
1296                 webkit_policy_decision_ignore(d);
1297                 break;
1298         }
1299         return TRUE;
1300 }
1301
1302 void
1303 decidenavigation(WebKitPolicyDecision *d, Client *c)
1304 {
1305         WebKitNavigationAction *a =
1306             webkit_navigation_policy_decision_get_navigation_action(
1307             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1308
1309         switch (webkit_navigation_action_get_navigation_type(a)) {
1310         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1311         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1312         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1313         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1314         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED: /* fallthrough */
1315         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1316         default:
1317                 /* Do not navigate to links with a "_blank" target (popup) */
1318                 if (webkit_navigation_policy_decision_get_frame_name(
1319                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
1320                         webkit_policy_decision_ignore(d);
1321                 } else {
1322                         /* Filter out navigation to different domain ? */
1323                         /* get action→urirequest, copy and load in new window+view
1324                          * on Ctrl+Click ? */
1325                         webkit_policy_decision_use(d);
1326                 }
1327                 break;
1328         }
1329 }
1330
1331 void
1332 decidenewwindow(WebKitPolicyDecision *d, Client *c)
1333 {
1334         Arg arg;
1335         WebKitNavigationAction *a =
1336             webkit_navigation_policy_decision_get_navigation_action(
1337             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1338
1339
1340         switch (webkit_navigation_action_get_navigation_type(a)) {
1341         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1342         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1343         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1344         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1345         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1346                 /* Filter domains here */
1347 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
1348  * test for link clicked but no button ? */
1349                 arg.v = webkit_uri_request_get_uri(
1350                         webkit_navigation_action_get_request(a));
1351                 newwindow(c, &arg, 0);
1352                 break;
1353         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1354         default:
1355                 break;
1356         }
1357
1358         webkit_policy_decision_ignore(d);
1359 }
1360
1361 void
1362 decideresource(WebKitPolicyDecision *d, Client *c)
1363 {
1364         int i, isascii = 1;
1365         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
1366         WebKitURIResponse *res =
1367             webkit_response_policy_decision_get_response(r);
1368         const gchar *uri = webkit_uri_response_get_uri(res);
1369
1370         if (g_str_has_suffix(uri, "/favicon.ico")) {
1371                 webkit_policy_decision_ignore(d);
1372                 return;
1373         }
1374
1375         if (!g_str_has_prefix(uri, "http://")
1376             && !g_str_has_prefix(uri, "https://")
1377             && !g_str_has_prefix(uri, "about:")
1378             && !g_str_has_prefix(uri, "file://")
1379             && !g_str_has_prefix(uri, "data:")
1380             && !g_str_has_prefix(uri, "blob:")
1381             && strlen(uri) > 0) {
1382                 for (i = 0; i < strlen(uri); i++) {
1383                         if (!g_ascii_isprint(uri[i])) {
1384                                 isascii = 0;
1385                                 break;
1386                         }
1387                 }
1388                 if (isascii) {
1389                         handleplumb(c, uri);
1390                         webkit_policy_decision_ignore(d);
1391                         return;
1392                 }
1393         }
1394
1395         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
1396                 webkit_policy_decision_use(d);
1397         } else {
1398                 webkit_policy_decision_ignore(d);
1399                 download(c, res);
1400         }
1401 }
1402
1403 void
1404 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
1405 {
1406         g_signal_connect(G_OBJECT(d), "notify::response",
1407                          G_CALLBACK(responsereceived), c);
1408 }
1409
1410 void
1411 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
1412 {
1413         download(c, webkit_download_get_response(d));
1414         webkit_download_cancel(d);
1415 }
1416
1417 void
1418 download(Client *c, WebKitURIResponse *r)
1419 {
1420         Arg a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
1421         spawn(c, &a);
1422 }
1423
1424 void
1425 closeview(WebKitWebView *v, Client *c)
1426 {
1427         gtk_widget_destroy(c->win);
1428 }
1429
1430 void
1431 destroywin(GtkWidget* w, Client *c)
1432 {
1433         destroyclient(c);
1434         if (!clients)
1435                 gtk_main_quit();
1436 }
1437
1438 void
1439 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1440 {
1441         Arg a = {.v = text };
1442         if (text)
1443                 loaduri((Client *) d, &a);
1444 }
1445
1446 void
1447 reload(Client *c, const Arg *a)
1448 {
1449         if (a->b)
1450                 webkit_web_view_reload_bypass_cache(c->view);
1451         else
1452                 webkit_web_view_reload(c->view);
1453 }
1454
1455 void
1456 print(Client *c, const Arg *a)
1457 {
1458         webkit_print_operation_run_dialog(webkit_print_operation_new(c->view),
1459                                           GTK_WINDOW(c->win));
1460 }
1461
1462 void
1463 clipboard(Client *c, const Arg *a)
1464 {
1465         if (a->b) { /* load clipboard uri */
1466                 gtk_clipboard_request_text(gtk_clipboard_get(
1467                                            GDK_SELECTION_PRIMARY),
1468                                            pasteuri, c);
1469         } else { /* copy uri */
1470                 gtk_clipboard_set_text(gtk_clipboard_get(
1471                                        GDK_SELECTION_PRIMARY), c->targeturi
1472                                        ? c->targeturi : geturi(c), -1);
1473         }
1474 }
1475
1476 void
1477 zoom(Client *c, const Arg *a)
1478 {
1479         if (a->i > 0)
1480                 webkit_web_view_set_zoom_level(c->view,
1481                                                curconfig[ZoomLevel].val.f + 0.1);
1482         else if (a->i < 0)
1483                 webkit_web_view_set_zoom_level(c->view,
1484                                                curconfig[ZoomLevel].val.f - 0.1);
1485         else
1486                 webkit_web_view_set_zoom_level(c->view, 1.0);
1487
1488         curconfig[ZoomLevel].val.f = webkit_web_view_get_zoom_level(c->view);
1489 }
1490
1491 void
1492 scroll(Client *c, const Arg *a)
1493 {
1494         GdkEvent *ev = gdk_event_new(GDK_KEY_PRESS);
1495
1496         gdk_event_set_device(ev, gdkkb);
1497         ev->key.window = gtk_widget_get_window(GTK_WIDGET(c->win));
1498         ev->key.state = GDK_CONTROL_MASK;
1499         ev->key.time = GDK_CURRENT_TIME;
1500
1501         switch (a->i) {
1502         case 'd':
1503                 ev->key.keyval = GDK_KEY_Down;
1504                 break;
1505         case 'D':
1506                 ev->key.keyval = GDK_KEY_Page_Down;
1507                 break;
1508         case 'l':
1509                 ev->key.keyval = GDK_KEY_Left;
1510                 break;
1511         case 'r':
1512                 ev->key.keyval = GDK_KEY_Right;
1513                 break;
1514         case 'U':
1515                 ev->key.keyval = GDK_KEY_Page_Up;
1516                 break;
1517         case 'u':
1518                 ev->key.keyval = GDK_KEY_Up;
1519                 break;
1520         }
1521
1522         gdk_event_put(ev);
1523 }
1524
1525 void
1526 navigate(Client *c, const Arg *a)
1527 {
1528         if (a->i < 0)
1529                 webkit_web_view_go_back(c->view);
1530         else if (a->i > 0)
1531                 webkit_web_view_go_forward(c->view);
1532 }
1533
1534 void
1535 stop(Client *c, const Arg *a)
1536 {
1537         webkit_web_view_stop_loading(c->view);
1538 }
1539
1540 void
1541 toggle(Client *c, const Arg *a)
1542 {
1543         curconfig[a->i].val.b ^= 1;
1544         setparameter(c, 1, (ParamName)a->i, &curconfig[a->i].val);
1545 }
1546
1547 void
1548 togglefullscreen(Client *c, const Arg *a)
1549 {
1550         /* toggling value is handled in winevent() */
1551         if (c->fullscreen)
1552                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
1553         else
1554                 gtk_window_fullscreen(GTK_WINDOW(c->win));
1555 }
1556
1557 void
1558 togglecookiepolicy(Client *c, const Arg *a)
1559 {
1560         ++cookiepolicy;
1561         cookiepolicy %= strlen(curconfig[CookiePolicies].val.v);
1562
1563         setparameter(c, 0, CookiePolicies, NULL);
1564 }
1565
1566 void
1567 toggleinspector(Client *c, const Arg *a)
1568 {
1569         if (webkit_web_inspector_is_attached(c->inspector))
1570                 webkit_web_inspector_close(c->inspector);
1571         else if (curconfig[Inspector].val.b)
1572                 webkit_web_inspector_show(c->inspector);
1573 }
1574
1575 void
1576 find(Client *c, const Arg *a)
1577 {
1578         const char *s, *f;
1579
1580         if (a && a->i) {
1581                 if (a->i > 0)
1582                         webkit_find_controller_search_next(c->finder);
1583                 else
1584                         webkit_find_controller_search_previous(c->finder);
1585         } else {
1586                 s = getatom(c, AtomFind);
1587                 f = webkit_find_controller_get_search_text(c->finder);
1588
1589                 if (g_strcmp0(f, s) == 0) /* reset search */
1590                         webkit_find_controller_search(c->finder, "", findopts,
1591                                                       G_MAXUINT);
1592
1593                 webkit_find_controller_search(c->finder, s, findopts,
1594                                               G_MAXUINT);
1595
1596                 if (strcmp(s, "") == 0)
1597                         webkit_find_controller_search_finish(c->finder);
1598         }
1599 }
1600
1601 void
1602 clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h)
1603 {
1604         navigate(c, a);
1605 }
1606
1607 void
1608 clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h)
1609 {
1610         Arg arg;
1611
1612         arg.v = webkit_hit_test_result_get_link_uri(h);
1613         newwindow(c, &arg, a->b);
1614 }
1615
1616 void
1617 clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h)
1618 {
1619         Arg arg;
1620
1621         arg = (Arg)VIDEOPLAY(webkit_hit_test_result_get_media_uri(h));
1622         spawn(c, &arg);
1623 }
1624
1625 int
1626 main(int argc, char *argv[])
1627 {
1628         Arg arg;
1629         Client *c;
1630
1631         memset(&arg, 0, sizeof(arg));
1632
1633         /* command line args */
1634         ARGBEGIN {
1635         case 'a':
1636                 defconfig CSETV(CookiePolicies, EARGF(usage()));
1637                 break;
1638         case 'b':
1639                 defconfig CSETB(ScrollBars, 0);
1640                 break;
1641         case 'B':
1642                 defconfig CSETB(ScrollBars, 1);
1643                 break;
1644         case 'c':
1645                 cookiefile = EARGF(usage());
1646                 break;
1647         case 'd':
1648                 defconfig CSETB(DiskCache, 0);
1649                 break;
1650         case 'D':
1651                 defconfig CSETB(DiskCache, 1);
1652                 break;
1653         case 'e':
1654                 embed = strtol(EARGF(usage()), NULL, 0);
1655                 break;
1656         case 'f':
1657                 defconfig CSETB(RunInFullscreen, 0);
1658                 break;
1659         case 'F':
1660                 defconfig CSETB(RunInFullscreen, 1);
1661                 break;
1662         case 'g':
1663                 defconfig CSETB(Geolocation, 0);
1664                 break;
1665         case 'G':
1666                 defconfig CSETB(Geolocation, 1);
1667                 break;
1668         case 'i':
1669                 defconfig CSETB(LoadImages, 0);
1670                 break;
1671         case 'I':
1672                 defconfig CSETB(LoadImages, 1);
1673                 break;
1674         case 'k':
1675                 defconfig CSETB(KioskMode, 0);
1676                 break;
1677         case 'K':
1678                 defconfig CSETB(KioskMode, 1);
1679                 break;
1680         case 'm':
1681                 defconfig CSETB(Style, 0);
1682                 break;
1683         case 'M':
1684                 defconfig CSETB(Style, 1);
1685                 break;
1686         case 'n':
1687                 defconfig CSETB(Inspector, 0);
1688                 break;
1689         case 'N':
1690                 defconfig CSETB(Inspector, 1);
1691                 break;
1692         case 'p':
1693                 defconfig CSETB(Plugins, 0);
1694                 break;
1695         case 'P':
1696                 defconfig CSETB(Plugins, 1);
1697                 break;
1698         case 'r':
1699                 scriptfile = EARGF(usage());
1700                 break;
1701         case 's':
1702                 defconfig CSETB(JavaScript, 0);
1703                 break;
1704         case 'S':
1705                 defconfig CSETB(JavaScript, 1);
1706                 break;
1707         case 't':
1708                 stylefile = EARGF(usage());
1709                 break;
1710         case 'u':
1711                 fulluseragent = EARGF(usage());
1712                 break;
1713         case 'v':
1714                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1715                     "see LICENSE for details\n");
1716         case 'x':
1717                 showxid = 1;
1718                 break;
1719         case 'z':
1720                 defconfig CSETF(ZoomLevel, strtof(EARGF(usage()), NULL));
1721                 break;
1722         default:
1723                 usage();
1724         } ARGEND;
1725         if (argc > 0)
1726                 arg.v = argv[0];
1727         else
1728                 arg.v = "about:blank";
1729
1730         setup();
1731         c = newclient(NULL);
1732         showview(NULL, c);
1733
1734         loaduri(c, &arg);
1735         updatetitle(c);
1736
1737         gtk_main();
1738         cleanup();
1739
1740         return 0;
1741 }