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